CN105904728A - Fiber-scale reactive extrusion 3D printing method - Google Patents

Abstract

The invention relates to a fiber-scale reactive extrusion 3D printing method including the steps of: a) fusing a lactam monomer and/or a lactone monomer, and an additive and an ionic liquid, and performing a polymerization reaction under the effect of a catalyst to prepare a target polymer; and b) performing fused deposition 3D printing to the target polymer and performing thermal treatment to obtain a finish product, wherein the thermal treatment is carried out at 100-180 DEG C for 3-60 min. In the invention, a high-precision high-adaptability 3D printer is employed, so that the method has high shaping precision and efficiency and the finish product has good mechanical performance. A process, in which the polymerization monomers are directly processed to obtain the finish product, is employed, so that the method is improved in production flexibility and also avoids the problems of edge warping and even printing failure since semi-crystallized polymers, such as nylon, polyester and the like, are crystallized and are large in temperature difference, thereby avoiding reduction of performance of the finish product due to degradation of the polymers. The method increases the types of fused deposition 3D printing materials, improves quality of the finish product, and has wide applications in the fields of crafts, machines, chemical engineering, instruments, automobiles and the like.

Description

A kind of fibre-grade reactive extrursion 3D Method of printing

Technical field

The invention belongs to 3D printing technique field, relate to a kind of fibre-grade reactive extrursion 3D Method of printing, particularly relate to a kind of from Monomer directly arrives the 3D Method of printing of goods.

Background technology

3D printing technique is a kind of rapid shaping technique of the most popular rise, and this is a kind of greenization desktop quick shaping skill The advantages such as art, has volume little, low cost, pollutes low, easy to use.Its ultimate principle is with macromolecular material as base material, Use Deformation In The Fdm Process or fused glass pellet technology, complete object by successively printing type and to structure and formed, successively fold Add and ultimately form product, can successively pile up under being accurately positioned and build various three-dimensional bodies.

Utilize the feature that 3D prints, can be controlled by software, and by the transformation of equipment, print and there is specific function Material.Be currently used for 3D print polymeric material have acrylonitrile butadiene styrene terpolymer (ABS), polylactic acid (PLA), Nylon (PA), Merlon (PC) and polyvinyl alcohol (PVA) etc., predominantly polymeric articles.At present, along with 3D printer skill Art gradually develops, and product range is gradually widened, and the requirement of product is not only rested in bulk properties, to 3D by market The functionalization of printed product requires the most day by day to increase.

Patent " has the 3D printed material of self-cleaning antibacterial function and preparation method and application ", and (CN104530668A) is open A kind of method preparing functionalization 3D printed material: this 3D printed material comprises following component: polylactic acid or acrylonitrile-fourth The high polymer 70-85 parts such as styrene terpolymer；The pigment powder 1-5 part such as titanium white, red, calcium carbonate superfine powder, The inorganic filler 1-5 part such as superfine silicon dioxide and Pulvis Talci, nano antibacterial agent titanium dioxide 0.5-1.5 part, isoprene rubber, thermoplastic Property polyester elastomer binding material 10-20 part.This invention is by by aforementioned component mix homogeneously；Again the material of mix homogeneously is put into In single-screw extruder, extrusion, cooling and shaping, be dried, traction, coiling, obtain that there is self-cleaning antibacterial function 3D printed material.Patent " a kind of flame-proof composite material for 3D printing and preparation method thereof " (CN104479349A) carries Supply a kind of flame-proof composite material printed for 3D, including the raw material of following weight portion: the nylon resin of 60-95 weight portion； The lubricant of the ABS resin 0.3-2 weight portion of 5-40 weight portion；The compatilizer of 5-20 weight portion；The antioxidant of 0.2-1 weight portion； The unformed red phosphorus of 5-30 weight portion, the 3D prepared by the method prints raw material and goods have certain fire resistance. Patent " a kind of electric conductivity 3D prints plastics lines and production method thereof " (CN103788565A), this disclosure of the invention one is led Electrically 3D prints plastics lines and production method thereof, includes following components according to mass fraction ratio: the ABS of 100 parts, 35-55 The conductive nano white carbon black of part, the titanate coupling agent of 0.5-3 part, this invention obtains 3D printing plastic wire and has electric conductivity.

From the prior art, for 3D print functional composite material and goods it has been reported that but still suffer from some problems, Mainly there is the following aspects: in macromolecule raw material, the material being mainly polymerized in advance, it is impossible to the quickly body of controlled material Performance；In 3D prints the course of processing, need polymer remelt, and owing to the melting tube of conventional 3D printing is shorter, In order to ensure polymer melt, heating-up temperature need to bring up to above 20-50 DEG C of melting point polymer, this secondary processing process is to poly- The performance of compound own impacts, and easily produces low molecule, bubble etc. easily occurs, affect the performance of product in print procedure, Meanwhile, remelted process is also the waste to energy.For nylon and polyester material, its water absorption is relatively strong, chemically stable Property relatively poor, material store inconvenience, be not suitable for industrialization, this all be limit 3D print nylon and polyester material development Key factor.

Summary of the invention

For overcoming the deficiencies in the prior art, the present invention provides a kind of fibre-grade reactive extrursion 3D Method of printing, is a kind of from monomer Directly arrive the 3D Method of printing of goods.The present invention uses the 3D printer with high-accuracy high-efficiency high-adaptability, with polymer list Body is raw material, adds a certain amount of function ingredients, obtains the 3D printing goods with specific function through 3D printer molding.Should Method directly to goods from monomer, decreases in conventional 3D printing step and cools down remelted step, reduce cost, the most also Avoiding the degraded impact on product quality of second melting process, it also avoid that material causes owing to water suction waits is processed simultaneously Degraded in journey and hydraulic performance decline；From the direct goods of monomer, machine-shaping temperature can be reduced, it is to avoid lead due to excessive temperature differentials Reason percent thermal shrinkage and the problem of change in size that causes；And Modulatory character is strong, regulation and control production technology can be required according to product quality, Realizing single line multi-item production, continuous production is good；Use the 3D printer with high-accuracy high-efficiency high-adaptability simultaneously, improve into Type degree of freedom, manufacturing speed and profiled member precision.

A kind of fibre-grade reactive extrursion 3D Method of printing of the present invention, by lactam monomers and/or internal ester monomer and auxiliary agent, ion Under catalyst action, polyreaction is carried out, it is thus achieved that subject polymer after liquid melt；Then by described subject polymer through melted Deposition 3D prints, and successively piles up and forms 3 D workpiece；Described 3 D workpiece after heat treatment obtains final products；

Described ionic liquid isIn one or more；Former printing Material adds appropriate ionic liquid, reduces the degree of crystallinity of semi-crystalline polymer, reduce the fusing point of polymer so that it is can be Realizing under lower temperature printing, ionic liquid can interact with a plurality of strand in system simultaneously simultaneously, makes between strand Forming network structure, reduce the locomotivity of strand, ionic liquid is crosslinking center, plays the effect of micro-crosslinking, so that Polymer before melting after difference of flowability reduce.

Described heat treatment refers to keep 3-60min at 100-180 DEG C.The product that 3D prints, polyreaction is the completeest Become；The present invention use polymerization reaction system, at a certain temperature, polymer of the present invention under the effect of catalyst still There is polymerization activity, polyreaction can be made to proceed by heat treatment a period of time at a certain temperature, thus obtain specific The product of molecular weight, has the controllability producing properties of product.

As preferred technical scheme:

Fibre-grade reactive extrursion 3D Method of printing as above a kind of, described lactam monomers be valerolactam, caprolactam, More than one in oenantholcatam, spicy inner formyl amine, certain herbaceous plants with big flowers lactams, ten lactams, 11 lactams, lauric lactam；Described Internal ester monomer is in valerolactone, caprolactone, heptalactone, caprylolactone, certain herbaceous plants with big flowers lactone, ten lactones, undecalactone, dodecalactone More than one；Described catalyst is more than one in sodium hydroxide, potassium hydroxide, organo-metallic compound；Described organic gold Genus compound is that a kind of combination in a kind of and sodium in methyl, ethyl, propyl group, butyl, phenyl, potassium, calcium, magnesium is formed Stable compound；Described auxiliary agent is in vinylcaprolactam, isocyanates, carbamate, carbonic ester and sulphonic acid ester More than Zhong；Described ionic liquid isIn one or more, wherein, R₁For-C_nH_2n+1, phenyl, one in vinyl, wherein n=1-10；R₂For-C_mH_2m+1, phenyl, in vinyl one Kind, wherein m=1-10；R₃For-C_aH_2a+1, phenyl, one in vinyl, wherein a=1-10；R₄For-C_bH_2b+1, phenyl, One in vinyl, wherein b=1-10；X is NO₃ ^-、SO₄ ^2-、CO₃ ^2-、CH₃COO^-、CF₃SO^3-、(CF₃SO₂)₂N^-、 PF^6-、BF^4-、Br^-、Cl^-、AlCl^4-、Al₂Cl₇ ^-、Al₃Cl₁₀ ^-In one.

A kind of fibre-grade reactive extrursion 3D Method of printing as above, the temperature of described polyreaction is 150-300 DEG C, catalysis Agent addition is 0.01-1wt%, and additive dosage is 0.1-5wt%, and described ionic liquid addition is 10-40wt%, described mesh The number-average molecular weight of mark polymer is 1000-20000.

The 3D Method of printing of a kind of reactive extrursion as above, described polyreaction completes in screw extruder, by control Extruder temperature processed, catalyst content, the number-average molecular weight of accuracy controlling polymer；Described screw extruder includes screw rod, connection The extruder motor of screw rod, heating collar, temperature sensor and dosing pump；Described screw rod is in single screw rod, twin screw, three screw rods One, draw ratio is 12-48, uniform pitch, and helical angle is 14-18 °, and spiral groove depth is 1.5-3.5mm, and surface roughness is Ra0.4-0.8；The extruder motor of described connection screw rod is fixedly mounted on the right side of screw rod, vertical support shaft fix；Described heating Circle and temperature sensor are arranged on outside screw rod.

A kind of fibre-grade reactive extrursion 3D Method of printing as above, the step that described 3D prints includes:

(1) use CAD or CAM software design product figure on computers, then carry out at the AUTOMATIC ZONING section of model Reason, obtains the panel data information of each processing aspect, and is converted into the coordinate G code of molding；

(2) described subject polymer is fed forward, and is controlled by dosing pump accurate quantification and put down to molding by nozzle system extrusion Platform, shaped platform makees X-Y plane motion under computer system control；After the temperature of the polymer of extrusion is less than solidification temperature Start curing molding, become the cross section of profiled member a layer thickness, terminates the deposition material of a layer and solidify rapidly and viscous with adjacent material Forming type, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form three-dimensional Workpiece.

A kind of fibre-grade reactive extrursion 3D Method of printing as above, the translational speed of described shaped platform is 10-10000mm/s；Described dosing pump melt flow is 0.1-3000L/h, and precision is ± 0.1%, so that it is guaranteed that in forming process The accurate control of extrusion capacity, it is ensured that whole mechanism stability in work continuously, simultaneously works as the effect of supercharging, it is ensured that high viscous The smooth extrusion molding of degree thermoplastic.

A kind of fibre-grade reactive extrursion 3D Method of printing as above, described 3D prints and uses 3 D-printing machine, including The Screw Extrusion mechanism, three-dimensional motion mechanism, workbench mechanism and the computer that set gradually control and drive system, described Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Described workbench mechanism is arranged on three-dimensional motion mechanism On；It is automatically controlling and driving for complete machine that described computer controls with drive system.

A kind of fibre-grade reactive extrursion 3D Method of printing as above, described three-dimensional motion mechanism is by X-axis motion, Y Shaft movement mechanism and Z axis motion composition；Described X-axis motion includes X-axis motor and lead screw guide rails composition；Described Y Shaft movement mechanism includes y-axis motor and lead screw guide rails composition；Described Z axis motion includes Z axis motor and lead screw guide rails composition； Described X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis is supported and fixed on shaping work platform frame, and Z axis is vertically solid It is scheduled on pedestal.

A kind of fibre-grade reactive extrursion 3D Method of printing as above, described workbench mechanism is by shaping work platform, one-tenth Type work platforms bracing frame and leveling nut composition；Described shaping work stage+module, on described X-axis motion, has Suitably coefficient of friction, it is possible to the most fixing ground floor printed material；Described shaping work platform frame and described Y-axis Motion is connected, the most affixed with Z axis moving slide block, it is possible to do with Z axis and move along a straight line up and down；Described leveling nut can The height of regulation molding work platforms, it is ensured that the shaping work platform plane perpendicularity requirement to shower nozzle discharging opening.

A kind of fibre-grade reactive extrursion 3D Method of printing as above, described Screw Extrusion mechanism is vertical or horizontal, its Including material feed drum, screw extrusion apparatus and the nozzle system being connected with screw extrusion apparatus；Described material feed drum includes squeezing with screw rod Going out the material feed drum that device is connected, the rounded funnel-form of material feed drum, outside arranges drying heater；Described nozzle system is by carrying pipe Road, nozzle, rotating disk, stop valve and chiller are constituted；Described nozzle is installed on conveyance conduit end, and nozzle number is at least wrapped Including one, it is generally circular in shape, one or more in rectangle, triangle, rhombus, and nozzle comprises 1-1000 spray orifice, Spray orifice is generally circular in shape, one or more in rectangle, triangle, rhombus, cross, in-line, Y shape, and spray orifice exports A diameter of 10-500 μm, simultaneously nozzle chiller installed above, chiller is ring blowing or cross air blasting, and pathogenic wind-warm is 15-25 DEG C, wind speed is 0.01-0.1m/s；Described stop valve is installed on above the chiller of shower nozzle, for controlling the work of many shower nozzles Make state.

Beneficial effect:

The present invention compared with prior art, has and the most obviously highlights substantive distinguishing features and remarkable advantage:

(1) present invention is by using screw rod and the combination of dosing pump, it is achieved in forming process, shower nozzle raw silk percentage of cocoon accurately controls and go out The stability of silk, improves formed precision；Simultaneously by the pressurization of dosing pump, it is achieved molding high viscosity thermoplastic polymer, Thus widen the range of choice of moulding material so that it is there is high-adaptability.

(2) present invention pressurization by dosing pump, can be effectively improved the material extruded velocity from nozzle, faster heap Long-pending profiled member, thus improve shaping efficiency；Additionally, supercharging can use the nozzle that diameter is less, reduce the transversal of extruded material Area, obtains more preferable formed precision, simultaneously because extrude being greatly increased of silk material specific surface area, its rate of cooling increases, and enters And shaping speed can be improved further, and the raising of shaping speed, the degree of orientation of extrusion silk material can be greatly increased, thus carry The mechanical property of high profiled member.

(3) present invention is by using many shower nozzles multiinjector, can the simultaneously multiple profiled member of molding, such that it is able to be effectively improved molding Efficiency, meets the requirement of batch molding.

(4) owing to fusion sediment 3D prints, to add heat pipe shorter, in order to make polymer the most melted, it is necessary to melt temperature must be improved, And the present invention from monomer directly to goods, decrease and conventional 3D printing step cool down remelted step, reduce cost； Second melting process easily produces little molecule and causes degraded, and little molecule can form stress concentration point in product, greatly reduces The mechanical property of product, and degrade and can reduce the molecular weight of polymer, molecular weight reduces the fall meaning the mechanical property of material own Low, bring is the reduction of Mechanical Properties of Products, and the present invention then eliminates second melting process, thus with avoiding second melting The little molecule of process generation and the impact on product quality of other degradation processes.

(5) present invention is from monomer directly to goods, decreases in conventional 3D printing step and cools down remelted step, it is to avoid Remelted process of cutting into slices can reduce machine-shaping temperature, it also avoid what printed material caused due to water suction etc. during storing The degraded declining and causing of quality of materials；The present invention can pass through accuracy controlling polymerization temperature, and when regulation and control print, polymer divides Son amount, then obtain finished product by post processing, so can reduce print temperature, it is to avoid cause because of thermal contraction due to excessive temperature differentials Rate and the problem of change in size that causes；The present invention is also by regulation and control aftertreatment technology, it is thus achieved that the goods of different performance, simultaneously Also act as elimination thermal history, thermal finalization, improve the effect of part performance further.

(6) conventional melt deposition 3D prints, and usual a kind of raw material can only print the product of a kind of performance, and the present invention is straight from monomer Receive goods, different product can be obtained by regulation polymerization technique and formula, substantially increase the motility of production, reduce Properties of product dependencies to raw material.

(7) present invention introduces appropriate ionic liquid in printing raw material, reduces the degree of crystallinity of semi-crystalline polymer, reduces The fusing point of polymer so that it is can realize at a lower temperature printing, reduce the difference between print temperature and ambient temperature, Avoid the problems such as the product contraction owing to crystallization and temperature difference cause, hydraulic performance decline；Ionic liquid can be in system simultaneously simultaneously Interacting with a plurality of strand, make to be formed between strand network structure, reduce the locomotivity of strand, ionic liquid is Crosslinking center, plays the effect of micro-crosslinking so that polymer before melting after difference of flowability reduce, be conducive to from nozzle The silk of extrusion reaches conformality.Meanwhile, ionic liquid can play the effect of lubrication, so that will not in FDM forming process Plug nozzle phenomenon occur, and the product that printed of 3D is prone to the separation of backing material or forming platform, molding is more stable.

(8), compared with printing with conventional melt deposition 3D, the diameter of spray orifice of the present invention outlet can be as small as 10 μm, Reaching fibre-grade standard, this design can be greatly improved the precision that 3D prints, and makes 3D print finer and smoother, improves 3D and prints The quality of goods and fineness, also improve the scope of application that 3D prints simultaneously.

Detailed description of the invention

Below in conjunction with detailed description of the invention, the present invention is expanded on further.Should be understood that these embodiments be merely to illustrate the present invention and It is not used in restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, those skilled in the art Can make various changes or modifications the present invention, these equivalent form of values fall within the model that the application appended claims is limited equally Enclose.

Embodiment 1

A kind of 3D Method of printing of reactive extrursion, by lactam monomers valerolactam and internal ester monomer valerolactone with addition be The auxiliary agent vinylcaprolactam of 0.1wt% and the 1-cetyl-3-methylimidazole ionic liquid that addition is 10wt%；Molten Under the catalyst sodium hydroxide effect that addition is 0.01wt%, at temperature is 150 DEG C, polyreaction is carried out, it is thus achieved that number is all after melting Molecular weight is the subject polymer of 1000, and polyreaction completes in screw extruder, and screw extruder includes screw rod, connects spiral shell The extruder motor of bar, heating collar, temperature sensor and dosing pump；Screw rod is single screw rod, and draw ratio is 12, uniform pitch, spiral Angle is 14 °, and spiral groove depth is 1.5mm, and surface roughness is Ra0.4；The extruder motor connecting screw rod is fixedly mounted on screw rod Right side, vertical support shaft fix；Heating collar and temperature sensor are arranged on outside screw rod；Then by subject polymer through molten Thaw collapse amasss 3D and prints, and successively piles up and forms 3 D workpiece；3 D workpiece obtains final products, 3D after keeping 3min at 100 DEG C Print use 3 D-printing machine, including the Screw Extrusion mechanism set gradually, three-dimensional motion mechanism, workbench mechanism and Computer controls and drive system, and Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Workbench mechanism is pacified It is contained on three-dimensional motion mechanism；It is automatically controlling and driving for complete machine that computer controls with drive system；Three-dimensional motion mechanism It is made up of X-axis motion, Y-axis motion and Z axis motion；X-axis motion includes that X-axis motor and leading screw are led Rail forms；Y-axis motion includes y-axis motor and lead screw guide rails composition；Z axis motion includes that Z axis motor and leading screw are led Rail forms；X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis is supported and fixed on shaping work platform frame, and Z axis erects Directly it is fixed on pedestal；Workbench mechanism is made up of shaping work platform, shaping work platform frame and leveling nut；Become Type work platforms is arranged on X-axis motion, has suitable coefficient of friction, it is possible to the most fixing ground floor printed material； Shaping work platform frame is connected with described Y-axis motion, the most affixed with Z axis moving slide block, it is possible to do with Z axis Move along a straight line up and down；Leveling nut can regulate the height of molding work platforms, it is ensured that shaping work platform plane is to shower nozzle discharging The perpendicularity requirement of mouth；Screw Extrusion mechanism is vertical, it include material feed drum, screw extrusion apparatus and with screw extrusion apparatus phase Nozzle system even；Material feed drum includes the material feed drum being connected with screw extrusion apparatus, the rounded funnel-form of material feed drum, and outside is arranged Drying heater；Nozzle system is made up of conveyance conduit, nozzle, rotating disk, stop valve and chiller；Nozzle is installed on conveying Pipe end, nozzle number one, it is generally circular in shape, and nozzle comprises 1 spray orifice, and spray orifice is generally circular in shape, and spray orifice goes out Mouth a diameter of 10 μm, simultaneously nozzle chiller installed above, chiller is ring blowing, and pathogenic wind-warm is 15 DEG C, and wind speed is 0.01m/s；Stop valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAD software deisgn product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, To the panel data information of each processing aspect, and it is converted into the coordinate G code of molding；

(2) subject polymer is fed forward, and is controlled by dosing pump accurate quantification and put down to molding by nozzle system extrusion Platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 10mm/s, meter Amount pump melt flow is 0.1L/h, and precision is 0.1%；Solidification is started after the temperature of the polymer of extrusion is less than solidification temperature Molding, becomes the cross section of profiled member a layer thickness, terminate the deposition material of a layer solidify rapidly and with adjacent material molding bonded, Shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form 3 D workpiece.

Embodiment 2

The 3D Method of printing of a kind of reactive extrursion, is 5wt% by lactam monomers caprolactam and internal ester monomer caprolactone with addition Auxiliary agent isocyanates and 1-propyl group-3-methylimidazole ionic liquid that addition is 40wt%；After Rong Rong at addition it is At temperature is 300 DEG C, polyreaction is carried out, it is thus achieved that number-average molecular weight is 20000 under the catalyst potassium hydroxide effect of 1wt% Subject polymer, polyreaction completes in screw extruder, screw extruder include screw rod, connect screw rod extruder motor, Heating collar, temperature sensor and dosing pump；Screw rod is twin screw, and draw ratio is 48, uniform pitch, and helical angle is 18 °, screw channel The degree of depth is 3.5mm, and surface roughness is Ra0.8；The extruder motor connecting screw rod is fixedly mounted on the right side of screw rod, by vertically Support shaft is fixed；Heating collar and temperature sensor are arranged on outside screw rod；Then subject polymer is printed through fusion sediment 3D, Successively pile up and form 3 D workpiece；3 D workpiece obtains final products after keeping 60min at 180 DEG C, and 3D prints and uses three-dimensional to beat Print machine, controls including the Screw Extrusion mechanism set gradually, three-dimensional motion mechanism, workbench mechanism and computer and drives Dynamic system, Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Workbench mechanism is arranged on three-dimensional motion machine On structure；It is automatically controlling and driving for complete machine that computer controls with drive system；Three-dimensional motion mechanism by X-axis motion, Y-axis motion and Z axis motion composition；X-axis motion includes X-axis motor and lead screw guide rails composition；Y-axis is moved Mechanism includes y-axis motor and lead screw guide rails composition；Z axis motion includes Z axis motor and lead screw guide rails composition；X-axis supports Being fixed on Y-axis feed screw nut, Y-axis is supported and fixed on shaping work platform frame, and Z axis is vertically fixed on pedestal； Workbench mechanism is made up of shaping work platform, shaping work platform frame and leveling nut；Shaping work stage+module exists On X-axis motion, there is suitable coefficient of friction, it is possible to the most fixing ground floor printed material；Shaping work platform props up Support is connected with Y-axis motion, the most affixed with Z axis moving slide block, it is possible to do with Z axis and move along a straight line up and down；Leveling spiral shell Female height that can regulate molding work platforms, it is ensured that the shaping work platform plane perpendicularity requirement to shower nozzle discharging opening；Screw rod Extrusion mechanism is horizontal, and it includes material feed drum, screw extrusion apparatus and the nozzle system being connected with screw extrusion apparatus；Material feed drum Including the material feed drum being connected with screw extrusion apparatus, the rounded funnel-form of material feed drum, outside arranges drying heater；Nozzle system It is made up of conveyance conduit, nozzle, rotating disk, stop valve and chiller；Nozzle is installed on conveyance conduit end, nozzle number bag Including 2, it is shaped as rectangle, and nozzle comprises 1000 spray orifices, and spray orifice is shaped as rectangle, and spray orifice outlet diameter is 500 μ M, simultaneously nozzle chiller installed above, chiller is cross air blasting, and pathogenic wind-warm is 25 DEG C, and wind speed is 0.1m/s；Stop valve It is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAM software design product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, Obtain the panel data information of each processing aspect, and be converted into the coordinate G code of molding；

(2) subject polymer is fed forward, and is controlled by dosing pump accurate quantification and put down to molding by nozzle system extrusion Platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 10000mm/s, Dosing pump melt flow is 3000L/h, and precision is-0.1%；Start solid after the temperature of the polymer of extrusion is less than solidification temperature Chemical conversion type, becomes the cross section of profiled member a layer thickness, and the deposition material terminating a layer solidifies rapidly and is bonded to adjacent material Type, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form three-dimensional work Part.

Embodiment 3

A kind of 3D Method of printing of reactive extrursion, by lactam monomers oenantholcatam and internal ester monomer heptalactone with addition be The auxiliary agent carbamate of 0.5wt% and the 1,3-methylimidazole class ionic liquid that addition is 15wt%；At addition after Rong Rong Be combined with sodium for the catalyst methyl of 0.08wt% formed stable compound effect under to carry out polymerization at temperature is 250 DEG C anti- Should, it is thus achieved that number-average molecular weight is the subject polymer of 10000, and polyreaction completes in screw extruder, screw extruder bag Include screw rod, connect the extruder motor of screw rod, heating collar, temperature sensor and dosing pump；Screw rod is three screw rods, and draw ratio is 45, Uniform pitch, helical angle is 16 °, and spiral groove depth is 1.8mm, and surface roughness is Ra0.6；The extruder motor connecting screw rod is solid Dingan County is contained in the right side of screw rod, vertical support shaft fix；Heating collar and temperature sensor are arranged on outside screw rod；Then by mesh Mark polymer prints through fusion sediment 3D, successively piles up and forms 3 D workpiece；3 D workpiece obtains after keeping 10min at 120 DEG C Final products, 3D prints and uses 3 D-printing machine, including the Screw Extrusion mechanism set gradually, three-dimensional motion mechanism, work Making platform mechanism and computer controls and drive system, Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Work It is arranged on three-dimensional motion mechanism as platform mechanism；It is automatically controlling and driving for complete machine that computer controls with drive system； Three-dimensional motion mechanism is made up of X-axis motion, Y-axis motion and Z axis motion；X-axis motion includes X-axis Motor and lead screw guide rails composition；Y-axis motion includes y-axis motor and lead screw guide rails composition；Z axis motion includes Z axis Motor and lead screw guide rails composition；X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis is supported and fixed on shaping work platform On frame, Z axis is vertically fixed on pedestal；Workbench mechanism is by shaping work platform, shaping work platform frame and leveling Nut forms；Shaping work stage+module, on X-axis motion, has suitable coefficient of friction, it is possible to well fix One layer of printed material；Shaping work platform frame is connected with Y-axis motion, the most affixed with Z axis moving slide block, it is possible to Do with Z axis and move along a straight line up and down；Leveling nut can regulate the height of molding work platforms, it is ensured that shaping work platform plane pair The perpendicularity requirement of shower nozzle discharging opening；Screw Extrusion mechanism is vertical, and it includes material feed drum, screw extrusion apparatus and squeezes with screw rod Go out the nozzle system that device is connected；Material feed drum includes the material feed drum being connected with screw extrusion apparatus, the rounded funnel-form of material feed drum, Outside arranges drying heater；Nozzle system is made up of conveyance conduit, nozzle, rotating disk, stop valve and chiller；Nozzle is pacified Being loaded on conveyance conduit end, nozzle number includes 3, and it is shaped as triangle, and nozzle comprises 800 spray orifices, spray orifice shape Shape is triangle, and spray orifice outlet diameter is 100 μm, simultaneously nozzle chiller installed above, and chiller is ring blowing, wind Temperature is 20 DEG C, and wind speed is 0.05m/s；Stop valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAD software deisgn product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, To the panel data information of each processing aspect, and it is converted into the coordinate G code of molding；

(2) described subject polymer is fed forward, and is controlled by dosing pump accurate quantification and by nozzle system extrusion to becoming Type platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 100mm/s, Dosing pump melt flow is 1000L/h, and precision is 0.1%；Start solid after the temperature of the polymer of extrusion is less than solidification temperature Chemical conversion type, becomes the cross section of profiled member a layer thickness, and the deposition material terminating a layer solidifies rapidly and is bonded to adjacent material Type, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form three-dimensional work Part.

Embodiment 4

A kind of 3D Method of printing of reactive extrursion, by lactam monomers spicy inner formyl amine and internal ester monomer caprylolactone with addition be The auxiliary agent carbonic ester of 2wt% and the 1-myristyl-2,3-methylimidazole class ionic liquid that addition is 20wt%；After Rong Rong Addition be the ethyl of 0.07wt% be combined with potassium formed stable compound effect under at temperature is 200 DEG C, carry out polyreaction, Obtain number-average molecular weight be the subject polymer of 1000, polyreaction completes in screw extruder, screw extruder include screw rod, Connect the extruder motor of screw rod, heating collar, temperature sensor and dosing pump；Screw rod is single screw rod, and draw ratio is 15, uniform pitch, Helical angle is 16 °, and spiral groove depth is 1.8mm, and surface roughness is Ra0.6；The extruder motor connecting screw rod is fixedly mounted on The right side of screw rod, is fixed by vertical support shaft；Heating collar and temperature sensor are arranged on outside screw rod；Then by subject polymer Print through fusion sediment 3D, successively pile up and form 3 D workpiece；3 D workpiece obtains final products after keeping 60min at 100 DEG C, 3D prints and uses 3 D-printing machine, including the Screw Extrusion mechanism set gradually, three-dimensional motion mechanism, workbench mechanism With computer control and drive system, Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Workbench mechanism It is arranged on three-dimensional motion mechanism；It is automatically controlling and driving for complete machine that computer controls with drive system；Three-dimensional motion machine Structure is made up of X-axis motion, Y-axis motion and Z axis motion；X-axis motion includes X-axis motor and leading screw Guide rail forms；Y-axis motion includes y-axis motor and lead screw guide rails composition；Z axis motion includes Z axis motor and leading screw Guide rail forms；X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis is supported and fixed on shaping work platform frame, Z axis Vertically it is fixed on pedestal；Workbench mechanism is made up of shaping work platform, shaping work platform frame and leveling nut； Shaping work stage+module, on X-axis motion, has suitable coefficient of friction, it is possible to the most fixing ground floor prints material Material；Shaping work platform frame is connected with described Y-axis motion, the most affixed with Z axis moving slide block, it is possible to Z Axle does and moves along a straight line up and down；Leveling nut can regulate the height of molding work platforms, it is ensured that shaping work platform plane is to shower nozzle The perpendicularity requirement of discharging opening；Screw Extrusion mechanism is horizontal, and it includes material feed drum, screw extrusion apparatus and fills with Screw Extrusion Put connected nozzle system；Material feed drum includes the material feed drum being connected with screw extrusion apparatus, the rounded funnel-form of material feed drum, outside Drying heater is set；Nozzle system is made up of conveyance conduit, nozzle, rotating disk, stop valve and chiller；Nozzle is installed on Conveyance conduit end, nozzle number includes one, and it is shaped as rhombus, and nozzle comprises 500 spray orifices, and spray orifice is shaped as Pedicellus et Pericarpium Trapae Shape, spray orifice outlet diameter is 50 μm, nozzle chiller installed above simultaneously, and chiller is ring blowing, and pathogenic wind-warm is 19 DEG C, Wind speed is 0.02m/s；Stop valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAD software deisgn product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, To the panel data information of each processing aspect, and it is converted into the coordinate G code of molding；

(2) described subject polymer is fed forward, and is controlled by dosing pump accurate quantification and by nozzle system extrusion to becoming Type platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 6000mm/s, dosing pump melt flow is 1500L/h, and precision is-0.1%；When the temperature of the polymer of extrusion is less than solidification Start curing molding after temperature, become the cross section of profiled member a layer thickness, terminate the deposition material of a layer solidify rapidly and with week Enclosing material molding bonded, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively heap Long-pending formation 3 D workpiece.

Embodiment 5

A kind of 3D Method of printing of reactive extrursion, by lactam monomers certain herbaceous plants with big flowers lactams and internal ester monomer certain herbaceous plants with big flowers lactone with addition be The auxiliary agent sulphonic acid ester of 3.5wt% and the N-ethylpyridine class ionic liquid that addition is 25wt%；It is 0.3wt% at addition after Rong Rong Propyl group be combined with calcium formed stable compound effect under at temperature is 160 DEG C, carry out polyreaction, it is thus achieved that number-average molecular weight Being the subject polymer of 1000, polyreaction completes in screw extruder, and screw extruder includes screw rod, connects squeezing of screw rod Go out motor, heating collar, temperature sensor and dosing pump；Screw rod is single screw rod, and draw ratio is 32, uniform pitch, and helical angle is 16 °, Spiral groove depth is 1.5mm, and surface roughness is Ra0.8；The extruder motor connecting screw rod is fixedly mounted on the right side of screw rod, by Vertically support shaft is fixed；Heating collar and temperature sensor are arranged on outside screw rod；Then by subject polymer through fusion sediment 3D Print, successively pile up and form 3 D workpiece；3 D workpiece obtains final products after keeping 12min at 110 DEG C, and 3D prints employing 3 D-printing machine, including the Screw Extrusion mechanism set gradually, three-dimensional motion mechanism, workbench mechanism and computer control System and drive system, Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Workbench mechanism is arranged on three-dimensional On motion；It is automatically controlling and driving for complete machine that computer controls with drive system；Three-dimensional motion mechanism is transported by X-axis Motivation structure, Y-axis motion and Z axis motion composition；X-axis motion includes X-axis motor and lead screw guide rails composition； Y-axis motion includes y-axis motor and lead screw guide rails composition；Z axis motion includes Z axis motor and lead screw guide rails composition； X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis is supported and fixed on shaping work platform frame, and Z axis is vertically fixed on On pedestal；Workbench mechanism is made up of shaping work platform, shaping work platform frame and leveling nut；Shaping work is put down Platform is arranged on X-axis motion, has suitable coefficient of friction, it is possible to the most fixing ground floor printed material；Molding work Make platform frame to be connected with Y-axis motion, the most affixed with Z axis moving slide block, it is possible to do with Z axis and move along a straight line up and down； Leveling nut can regulate the height of molding work platforms, it is ensured that the perpendicularity requirement to shower nozzle discharging opening of the shaping work platform plane； Screw Extrusion mechanism is vertical, and it includes material feed drum, screw extrusion apparatus and the nozzle system being connected with screw extrusion apparatus；Supply Barrel includes the material feed drum being connected with screw extrusion apparatus, and the rounded funnel-form of material feed drum, outside arranges drying heater；Shower nozzle System is made up of conveyance conduit, nozzle, rotating disk, stop valve and chiller；Nozzle is installed on conveyance conduit end, nozzle Number includes 10, and it is shaped as rhombus, and nozzle comprises 600 spray orifices, and spray orifice is shaped as cross, and spray orifice outlet diameter is 80 μm, simultaneously nozzle chiller installed above, chiller is cross air blasting, and pathogenic wind-warm is 22 DEG C, and wind speed is 0.09m/s；Cut Only valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAD or CAM software design product figure on computers, then carry out the AUTOMATIC ZONING section of model Process, obtain the panel data information of each processing aspect, and be converted into the coordinate G code of molding；

(2) subject polymer is fed forward, and is controlled by dosing pump accurate quantification and put down to molding by nozzle system extrusion Platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 6000mm/s, Dosing pump melt flow is 100L/h, and precision is 0.1%；Start solid after the temperature of the polymer of extrusion is less than solidification temperature Chemical conversion type, becomes the cross section of profiled member a layer thickness, and the deposition material terminating a layer solidifies rapidly and is bonded to adjacent material Type, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form three-dimensional work Part.

Embodiment 6

A kind of 3D Method of printing of reactive extrursion, by lactam monomers ten lactams and internal ester monomer ten lactone with addition be The auxiliary agent vinylcaprolactam of 4wt% and the N-octylpyridinium class ionic liquid that addition is 23wt%；At addition after Rong Rong Be combined under the stable compound effect formed with magnesium for the catalyst butyl of 0.2wt% at temperature is 160 DEG C, carries out polyreaction, Obtain number-average molecular weight be the subject polymer of 1200, polyreaction completes in screw extruder, screw extruder include screw rod, Connect the extruder motor of screw rod, heating collar, temperature sensor and dosing pump；Screw rod is single screw rod, and draw ratio is 30, uniform pitch, Helical angle is 14 °, and spiral groove depth is 1.8mm, and surface roughness is Ra0.5；The extruder motor connecting screw rod is fixedly mounted on The right side of screw rod, is fixed by vertical support shaft；Heating collar and temperature sensor are arranged on outside screw rod；Then by subject polymer Print through fusion sediment 3D, successively pile up and form 3 D workpiece；3 D workpiece obtains final products after keeping 30min at 130 DEG C, 3D prints and uses 3 D-printing machine, including the Screw Extrusion mechanism set gradually, three-dimensional motion mechanism, workbench mechanism With computer control and drive system, Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Workbench mechanism It is arranged on three-dimensional motion mechanism；It is automatically controlling and driving for complete machine that computer controls with drive system；Three-dimensional motion machine Structure is made up of X-axis motion, Y-axis motion and Z axis motion；X-axis motion includes X-axis motor and leading screw Guide rail forms；Y-axis motion includes y-axis motor and lead screw guide rails composition；Z axis motion includes Z axis motor and leading screw Guide rail forms；X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis is supported and fixed on shaping work platform frame, Z axis Vertically it is fixed on pedestal；Workbench mechanism is made up of shaping work platform, shaping work platform frame and leveling nut； Shaping work stage+module, on X-axis motion, has suitable coefficient of friction, it is possible to the most fixing ground floor prints material Material；Shaping work platform frame is connected with Y-axis motion, the most affixed with Z axis moving slide block, it is possible to do with Z axis Lower linear motion；Leveling nut can regulate the height of molding work platforms, it is ensured that shaping work platform plane is to shower nozzle discharging opening Perpendicularity requirement；Screw Extrusion mechanism is horizontal, and it includes material feed drum, screw extrusion apparatus and is connected with screw extrusion apparatus Nozzle system；Material feed drum includes the material feed drum being connected with screw extrusion apparatus, and the rounded funnel-form of material feed drum, outside arranges dry Dry heater；Nozzle system is made up of conveyance conduit, nozzle, rotating disk, stop valve and chiller；Nozzle is installed on conveying pipe Road end, nozzle number includes 8, its generally circular in shape, rectangle, and nozzle comprises 650 spray orifices, and spray orifice is shaped as circle Shape, rectangle, spray orifice outlet diameter is 35 μm, nozzle chiller installed above simultaneously, and chiller is cross air blasting, pathogenic wind-warm Being 15 DEG C, wind speed is 0.1m/s；Stop valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAM software design product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, Obtain the panel data information of each processing aspect, and be converted into the coordinate G code of molding；

(2) described subject polymer is fed forward, and is controlled by dosing pump accurate quantification and by nozzle system extrusion to becoming Type platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 30mm/s, Dosing pump melt flow is 120L/h, and precision is-0.1%；Start solid after the temperature of the polymer of extrusion is less than solidification temperature Chemical conversion type, becomes the cross section of profiled member a layer thickness, and the deposition material terminating a layer solidifies rapidly and is bonded to adjacent material Type, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form three-dimensional work Part.

Embodiment 7

The 3D Method of printing of a kind of reactive extrursion, by lactam monomers 11 lactams and internal ester monomer undecalactone and addition For the auxiliary agent vinylcaprolactam of 0.1wt% and isocyanates and N-octyl group-4-picoline class ion that addition is 30wt% The mass ratio of liquid, vinylcaprolactam and isocyanates is 1:1；After Rong Rong the catalyst phenyl that addition is 1wt% with Sodium combines and carries out polyreaction at temperature is 300 DEG C under the stable compound effect formed, it is thus achieved that number-average molecular weight is 1000 Subject polymer, polyreaction completes in screw extruder, screw extruder include screw rod, connect screw rod extruder motor, Heating collar, temperature sensor and dosing pump；Screw rod is three screw rods, and draw ratio is 48, uniform pitch, and helical angle is 18 °, screw channel The degree of depth is 1.5mm, and surface roughness is Ra0.8；The extruder motor connecting screw rod is fixedly mounted on the right side of screw rod, by vertically Support shaft is fixed；Heating collar and temperature sensor are arranged on outside screw rod；Then subject polymer is printed through fusion sediment 3D, Successively pile up and form 3 D workpiece；3 D workpiece obtains final products after keeping 40min at 160 DEG C, and 3D prints and uses three-dimensional to beat Print machine, controls including the Screw Extrusion mechanism set gradually, three-dimensional motion mechanism, workbench mechanism and computer and drives Dynamic system, Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Workbench mechanism is arranged on three-dimensional motion machine On structure；It is automatically controlling and driving for complete machine that computer controls with drive system；Three-dimensional motion mechanism by X-axis motion, Y-axis motion and Z axis motion composition；X-axis motion includes X-axis motor and lead screw guide rails composition；Y-axis is moved Mechanism includes y-axis motor and lead screw guide rails composition；Z axis motion includes Z axis motor and lead screw guide rails composition；X-axis supports Being fixed on Y-axis feed screw nut, Y-axis is supported and fixed on shaping work platform frame, and Z axis is vertically fixed on pedestal； Workbench mechanism is made up of shaping work platform, shaping work platform frame and leveling nut；Shaping work stage+module exists On X-axis motion, there is suitable coefficient of friction, it is possible to the most fixing ground floor printed material；Shaping work platform props up Support is connected with described Y-axis motion, the most affixed with Z axis moving slide block, it is possible to do with Z axis and move along a straight line up and down； Leveling nut can regulate the height of molding work platforms, it is ensured that the perpendicularity requirement to shower nozzle discharging opening of the shaping work platform plane； Screw Extrusion mechanism is vertical or horizontal, and it includes material feed drum, screw extrusion apparatus and the shower nozzle being connected with screw extrusion apparatus System；Material feed drum includes the material feed drum being connected with screw extrusion apparatus, and the rounded funnel-form of material feed drum, outside arranges dry heat Device；Nozzle system is made up of conveyance conduit, nozzle, rotating disk, stop valve and chiller；Nozzle is installed on conveyance conduit end, Nozzle number includes 10, and it is shaped as triangle, rhombus, and nozzle comprises 800 spray orifices, spray orifice be shaped as cross, In-line, spray orifice outlet diameter is 25 μm, nozzle chiller installed above simultaneously, and chiller is ring blowing or cross air blasting, Pathogenic wind-warm is 25 DEG C, and wind speed is 0.1m/s；Stop valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAD software deisgn product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, To the panel data information of each processing aspect, and it is converted into the coordinate G code of molding；

(2) described subject polymer is fed forward, and is controlled by dosing pump accurate quantification and by nozzle system extrusion to becoming Type platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 10mm/s, Dosing pump melt flow is 0.1L/h, and precision is 0.1%；Start solid after the temperature of the polymer of extrusion is less than solidification temperature Chemical conversion type, becomes the cross section of profiled member a layer thickness, and the deposition material terminating a layer solidifies rapidly and is bonded to adjacent material Type, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form three-dimensional work Part.

Embodiment 8

The 3D Method of printing of a kind of reactive extrursion, by lactam monomers lauric lactam and internal ester monomer dodecalactone and addition For auxiliary agent carbamate and the mixture of carbonic ester of 5wt%, wherein the mass ratio of carbamate and carbonic ester is 1:2, with And the N-methyl that addition is 36wt%, propylpiperdine type ionic liquid；At the catalyst hydrogen that addition is 0.9wt% after Rong Rong Under mixture (wherein the mass ratio of sodium hydroxide and potassium hydroxide the is 2:1) effect of sodium oxide and potassium hydroxide in temperature it is Carrying out polyreaction at 160 DEG C, it is thus achieved that number-average molecular weight is the subject polymer of 10000, polyreaction is complete in screw extruder Becoming, screw extruder includes screw rod, connects the extruder motor of screw rod, heating collar, temperature sensor and dosing pump；Screw rod is single Screw rod, draw ratio is 30, uniform pitch, and helical angle is 14 °, and spiral groove depth is 3.5mm, and surface roughness is Ra0.4；Even The extruder motor connecing screw rod is fixedly mounted on the right side of screw rod, vertical support shaft fix；Heating collar and temperature sensor are arranged on Outside screw rod；Then subject polymer is printed through fusion sediment 3D, successively pile up and form 3 D workpiece；3 D workpiece is at 150 DEG C Keeping obtaining after 10min final products, 3D prints and uses 3 D-printing machine, including the Screw Extrusion mechanism set gradually, Three-dimensional motion mechanism, workbench mechanism and computer control and drive system, Screw Extrusion mechanism relative to work platforms with become Type part maintains static；Workbench mechanism is arranged on three-dimensional motion mechanism；Computer controls with drive system for complete machine Automatically control and drive；Three-dimensional motion mechanism is made up of X-axis motion, Y-axis motion and Z axis motion；X-axis Motion includes X-axis motor and lead screw guide rails composition；Y-axis motion includes y-axis motor and lead screw guide rails composition；Z axis Motion includes Z axis motor and lead screw guide rails composition；X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis is supported and fixed on On shaping work platform frame, Z axis is vertically fixed on pedestal；Workbench mechanism is by shaping work platform, shaping work Platform frame and leveling nut composition；Shaping work stage+module, on X-axis motion, has suitable coefficient of friction, Can be good at fixing ground floor printed material；Shaping work platform frame and described Y-axis motion are connected, simultaneously with Z axis moving slide block is affixed, it is possible to do moving along a straight line up and down with Z axis；Leveling nut can regulate the height of molding work platforms, Ensure the perpendicularity requirement to shower nozzle discharging opening of the shaping work platform plane；Screw Extrusion mechanism is vertical or horizontal, and it includes Material feed drum, screw extrusion apparatus and the nozzle system being connected with screw extrusion apparatus；Material feed drum includes being connected with screw extrusion apparatus Material feed drum, the rounded funnel-form of material feed drum, outside arranges drying heater；Nozzle system by conveyance conduit, nozzle, rotating disk, Stop valve and chiller are constituted；Nozzle is installed on conveyance conduit end, and nozzle number includes 6, and it is shaped as rhombus, spray Comprising 600 spray orifices on mouth, spray orifice is shaped as Y shape, and spray orifice outlet diameter is 300 μm, the dress of nozzle cooling installed above simultaneously Putting, chiller is ring blowing, and pathogenic wind-warm is 15 DEG C, and wind speed is 0.1m/s；Stop valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAM software design product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, Obtain the panel data information of each processing aspect, and be converted into the coordinate G code of molding；

(2) described subject polymer is fed forward, and is controlled by dosing pump accurate quantification and by nozzle system extrusion to becoming Type platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 10000mm/s, dosing pump melt flow is 0.1L/h, and precision is-0.1%；When the temperature of the polymer of extrusion is warm less than solidification Start curing molding after degree, become the cross section of profiled member a layer thickness, terminate the deposition material of a layer solidify rapidly and with surrounding Material molding bonded, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up Form 3 D workpiece.

Embodiment 9

A kind of 3D Method of printing of reactive extrursion, by mass ratio be the valerolactam of 1:1, caprolactam and addition be 5wt% Auxiliary agent vinylcaprolactam, and addition is 35wt%N-methyl, ethyl piperidine type ion type liquid and 1,3-dimethyl miaow The mixture of azole ion type liquid, wherein N-methyl, ethyl piperidine type ionic liquid and 1,3-methylimidazole class ionic liquid Mass ratio be 3:2；Carry out at temperature is 300 DEG C under the catalyst sodium hydroxide effect that addition is 0.01wt% after Rong Rong Polyreaction, it is thus achieved that number-average molecular weight is the subject polymer of 20000, and polyreaction completes in screw extruder, screw rod squeezes Go out machine to include screw rod, connect the extruder motor of screw rod, heating collar, temperature sensor and dosing pump；Screw rod is single screw rod, major diameter Ratio is 12, uniform pitch, and helical angle is 14 °, and spiral groove depth is 1.5mm, and surface roughness is Ra0.8；Connect squeezing of screw rod Go out motor and be fixedly mounted on the right side of screw rod, vertical support shaft fix；Heating collar and temperature sensor are arranged on outside screw rod； Then subject polymer is printed through fusion sediment 3D, successively pile up and form 3 D workpiece；3 D workpiece keeps 60min at 100 DEG C Rear acquisition final products, 3D prints and uses 3 D-printing machine, including the Screw Extrusion mechanism set gradually, three-dimensional motion machine Structure, workbench mechanism and computer control and drive system, and Screw Extrusion mechanism is fixing relative to work platforms and profiled member not Dynamic；Workbench mechanism is arranged on three-dimensional motion mechanism；Computer control with drive system be for complete machine automatically control with Drive；Three-dimensional motion mechanism is made up of X-axis motion, Y-axis motion and Z axis motion；X-axis motion bag Include X-axis motor and lead screw guide rails composition；Y-axis motion includes y-axis motor and lead screw guide rails composition；Z axis motion bag Include Z axis motor and lead screw guide rails composition；X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis is supported and fixed on shaping work and puts down On platform bracing frame, Z axis is vertically fixed on pedestal；Workbench mechanism is by shaping work platform, shaping work platform frame Form with leveling nut；Shaping work stage+module, on X-axis motion, has suitable coefficient of friction, it is possible to well Fixing ground floor printed material；Shaping work platform frame is connected with described Y-axis motion, simultaneously sliding with Z axis motion Block is affixed, it is possible to do moving along a straight line up and down with Z axis；Leveling nut can regulate the height of molding work platforms, it is ensured that molding work Make the platform plane perpendicularity requirement to shower nozzle discharging opening；Screw Extrusion mechanism is vertical or horizontal, and it includes material feed drum, spiral shell Bar extrusion device and the nozzle system being connected with screw extrusion apparatus；Material feed drum includes the material feed drum being connected with screw extrusion apparatus, The rounded funnel-form of material feed drum, outside arranges drying heater；Nozzle system by conveyance conduit, nozzle, rotating disk, stop valve and Chiller is constituted；Nozzle is installed on conveyance conduit end, and nozzle number includes one, and it is generally circular in shape, and nozzle comprises 1 spray orifice, spray orifice is generally circular in shape, and spray orifice outlet diameter is 500 μm, simultaneously nozzle chiller installed above, chiller Drying for ring, pathogenic wind-warm is 15 DEG C, and wind speed is 0.01m/s；Stop valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAM software design product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, Obtain the panel data information of each processing aspect, and be converted into the coordinate G code of molding；

(2) described subject polymer is fed forward, and is controlled by dosing pump accurate quantification and by nozzle system extrusion to becoming Type platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 500mm/s, Dosing pump melt flow is 3000L/h, and precision is 0.1%；Start solid after the temperature of the polymer of extrusion is less than solidification temperature Chemical conversion type, becomes the cross section of profiled member a layer thickness, and the deposition material terminating a layer solidifies rapidly and is bonded to adjacent material Type, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form three-dimensional work Part.

Embodiment 10

A kind of 3D Method of printing of reactive extrursion, by mass ratio be the valerolactam of 1:1, caprolactam and addition be 5wt% Auxiliary agent vinylcaprolactam, and the N-methyl that addition is 12wt%, at addition after ethyl piperidine type ionic liquid is melted For carrying out polyreaction under the catalyst sodium hydroxide effect of 0.01wt% at temperature is 300 DEG C, it is thus achieved that number-average molecular weight is The subject polymer of 20000, polyreaction completes in screw extruder, and screw extruder includes screw rod, connects squeezing of screw rod Go out motor, heating collar, temperature sensor and dosing pump；Screw rod is single screw rod, and draw ratio is 12, uniform pitch, and helical angle is 14 °, Spiral groove depth is 1.5mm, and surface roughness is Ra0.8；The extruder motor connecting screw rod is fixedly mounted on the right side of screw rod, by Vertically support shaft is fixed；Heating collar and temperature sensor are arranged on outside screw rod；Then by subject polymer through fusion sediment 3D Print, successively pile up and form 3 D workpiece；3 D workpiece obtains final products after keeping 60min at 100 DEG C, and 3D prints employing 3 D-printing machine, including the Screw Extrusion mechanism set gradually, three-dimensional motion mechanism, workbench mechanism and computer control System and drive system, Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Workbench mechanism is arranged on three-dimensional On motion；It is automatically controlling and driving for complete machine that computer controls with drive system；Three-dimensional motion mechanism is transported by X-axis Motivation structure, Y-axis motion and Z axis motion composition；X-axis motion includes X-axis motor and lead screw guide rails composition； Y-axis motion includes y-axis motor and lead screw guide rails composition；Z axis motion includes Z axis motor and lead screw guide rails composition； X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis is supported and fixed on shaping work platform frame, and Z axis is vertically fixed on On pedestal；Workbench mechanism is made up of shaping work platform, shaping work platform frame and leveling nut；Shaping work is put down Platform is arranged on X-axis motion, has suitable coefficient of friction, it is possible to the most fixing ground floor printed material；Molding work Make platform frame to be connected with described Y-axis motion, the most affixed with Z axis moving slide block, it is possible to do the most straight with Z axis Line moves；Leveling nut can regulate the height of molding work platforms, it is ensured that shower nozzle discharging opening is hung down by shaping work platform plane Directly spend requirement；Screw Extrusion mechanism is vertical or horizontal, and it includes material feed drum, screw extrusion apparatus and and screw extrusion apparatus The nozzle system being connected；Material feed drum includes the material feed drum being connected with screw extrusion apparatus, and the rounded funnel-form of material feed drum, outside sets Put drying heater；Nozzle system is made up of conveyance conduit, nozzle, rotating disk, stop valve and chiller；Nozzle is installed on defeated Sending pipe end, nozzle number to include one, it is generally circular in shape, and nozzle comprises 1 spray orifice, and spray orifice is generally circular in shape, spray A diameter of 500 μm of hole exits, nozzle chiller installed above simultaneously, chiller is ring blowing, and pathogenic wind-warm is 15 DEG C, wind Speed is 0.01m/s；Stop valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAM software design product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, Obtain the panel data information of each processing aspect, and be converted into the coordinate G code of molding；

(2) described subject polymer is fed forward, and is controlled by dosing pump accurate quantification and by nozzle system extrusion to becoming Type platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 500mm/s, Dosing pump melt flow is 3000L/h, and precision is 0.1%；Start solid after the temperature of the polymer of extrusion is less than solidification temperature Chemical conversion type, becomes the cross section of profiled member a layer thickness, and the deposition material terminating a layer solidifies rapidly and is bonded to adjacent material Type, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form three-dimensional work Part.

Embodiment 11

A kind of 3D Method of printing of reactive extrursion, by lactam monomers valerolactam and internal ester monomer valerolactone with addition be The auxiliary agent vinylcaprolactam of 0.1wt% and 1-cetyl-3-methylimidazole ionic liquid that addition is 10wt% and 1- The mixture of propyl group-3-methylimidazole ionic liquid, wherein 1-cetyl-3-methylimidazole ionic liquid and 1-propyl group The mass ratio of-3-methylimidazole ionic liquid is 1:1；In the catalyst sodium hydroxide effect that addition is 0.01wt% after Rong Rong Under at temperature is 150 DEG C, carry out polyreaction, it is thus achieved that number-average molecular weight is the subject polymer of 1000, and polyreaction is at screw rod Completing in extruder, screw extruder includes screw rod, connects the extruder motor of screw rod, heating collar, temperature sensor and dosing pump； Screw rod is single screw rod, and draw ratio is 12, uniform pitch, and helical angle is 14 °, and spiral groove depth is 1.5mm, and surface roughness is Ra0.4；The extruder motor connecting screw rod is fixedly mounted on the right side of screw rod, vertical support shaft fix；Heating collar and temperature sensing Device is arranged on outside screw rod；Then subject polymer is printed through fusion sediment 3D, successively pile up and form 3 D workpiece；Three-dimensional Workpiece obtains final products after keeping 3min at 100 DEG C, and 3D prints and uses 3 D-printing machine, including the spiral shell set gradually Bar extrusion mechanism, three-dimensional motion mechanism, workbench mechanism and computer control and drive system, Screw Extrusion mechanism relative to Work platforms and profiled member maintain static；Workbench mechanism is arranged on three-dimensional motion mechanism；Computer controls and drive system It is automatically controlling and driving for complete machine；Three-dimensional motion mechanism is by X-axis motion, Y-axis motion and Z axis fitness machine Structure forms；X-axis motion includes X-axis motor and lead screw guide rails composition；Y-axis motion includes that y-axis motor and leading screw are led Rail forms；Z axis motion includes Z axis motor and lead screw guide rails composition；X-axis is supported and fixed on Y-axis feed screw nut, Y Axle is supported and fixed on shaping work platform frame, and Z axis is vertically fixed on pedestal；Workbench mechanism is put down by shaping work Platform, shaping work platform frame and leveling nut composition；Shaping work stage+module is on X-axis motion, and it is suitable to have Coefficient of friction, it is possible to well fixing ground floor printed material；Shaping work platform frame and described Y-axis motion It is connected, the most affixed with Z axis moving slide block, it is possible to do with Z axis and move along a straight line up and down；Leveling nut can regulate shaping work The height of platform, it is ensured that the shaping work platform plane perpendicularity requirement to shower nozzle discharging opening；Screw Extrusion mechanism is vertical, its Including material feed drum, screw extrusion apparatus and the nozzle system being connected with screw extrusion apparatus；Material feed drum includes and screw extrusion apparatus The material feed drum being connected, the rounded funnel-form of material feed drum, outside arranges drying heater；Nozzle system by conveyance conduit, nozzle, Rotating disk, stop valve and chiller are constituted；Nozzle is installed on conveyance conduit end, nozzle number one, and it is generally circular in shape, Comprising 1 spray orifice on nozzle, spray orifice is generally circular in shape, and spray orifice outlet diameter is 10 μm, the dress of nozzle cooling installed above simultaneously Putting, chiller is ring blowing, and pathogenic wind-warm is 15 DEG C, and wind speed is 0.01m/s；Stop valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAD software deisgn product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, To the panel data information of each processing aspect, and it is converted into the coordinate G code of molding；

(2) subject polymer is fed forward, and is controlled by dosing pump accurate quantification and put down to molding by nozzle system extrusion Platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 10mm/s, meter Amount pump melt flow is 0.1L/h, and precision is 0.1%；Solidification is started after the temperature of the polymer of extrusion is less than solidification temperature Molding, becomes the cross section of profiled member a layer thickness, terminate the deposition material of a layer solidify rapidly and with adjacent material molding bonded, Shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form 3 D workpiece.

Embodiment 12

The 3D Method of printing of a kind of reactive extrursion, is 5wt% by lactam monomers caprolactam and internal ester monomer caprolactone with addition Auxiliary agent isocyanates and N-ethylpyridine class ionic liquid that addition is 40wt% and N-octylpyridinium class ionic liquid mixed Compound, wherein the mass ratio of N-ethylpyridine class ionic liquid and N-octylpyridinium class ionic liquid is 2:1；Adding after Rong Rong Amount carries out polyreaction under the catalyst potassium hydroxide effect for 1wt% at temperature is 300 DEG C, it is thus achieved that number-average molecular weight is The subject polymer of 20000, polyreaction completes in screw extruder, and screw extruder includes screw rod, connects squeezing of screw rod Go out motor, heating collar, temperature sensor and dosing pump；Screw rod is twin screw, and draw ratio is 48, uniform pitch, and helical angle is 18 °, Spiral groove depth is 3.5mm, and surface roughness is Ra0.8；The extruder motor connecting screw rod is fixedly mounted on the right side of screw rod, by Vertically support shaft is fixed；Heating collar and temperature sensor are arranged on outside screw rod；Then by subject polymer through fusion sediment 3D Print, successively pile up and form 3 D workpiece；3 D workpiece obtains final products after keeping 60min at 180 DEG C, and 3D prints employing 3 D-printing machine, including the Screw Extrusion mechanism set gradually, three-dimensional motion mechanism, workbench mechanism and computer control System and drive system, Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Workbench mechanism is arranged on three-dimensional On motion；It is automatically controlling and driving for complete machine that computer controls with drive system；Three-dimensional motion mechanism is transported by X-axis Motivation structure, Y-axis motion and Z axis motion composition；X-axis motion includes X-axis motor and lead screw guide rails composition； Y-axis motion includes y-axis motor and lead screw guide rails composition；Z axis motion includes Z axis motor and lead screw guide rails composition； X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis is supported and fixed on shaping work platform frame, and Z axis is vertically fixed on On pedestal；Workbench mechanism is made up of shaping work platform, shaping work platform frame and leveling nut；Shaping work is put down Platform is arranged on X-axis motion, has suitable coefficient of friction, it is possible to the most fixing ground floor printed material；Molding work Make platform frame to be connected with Y-axis motion, the most affixed with Z axis moving slide block, it is possible to do with Z axis and move along a straight line up and down； Leveling nut can regulate the height of molding work platforms, it is ensured that the perpendicularity requirement to shower nozzle discharging opening of the shaping work platform plane； Screw Extrusion mechanism is horizontal, and it includes material feed drum, screw extrusion apparatus and the nozzle system being connected with screw extrusion apparatus；Supply Barrel includes the material feed drum being connected with screw extrusion apparatus, and the rounded funnel-form of material feed drum, outside arranges drying heater；Shower nozzle System is made up of conveyance conduit, nozzle, rotating disk, stop valve and chiller；Nozzle is installed on conveyance conduit end, nozzle Number includes 2, and it is shaped as rectangle, and nozzle comprises 1000 spray orifices, and spray orifice is shaped as rectangle, and spray orifice outlet diameter is 500 μm, simultaneously nozzle chiller installed above, chiller is cross air blasting, and pathogenic wind-warm is 25 DEG C, and wind speed is 0.1m/s；Cut Only valve is installed on above the chiller of shower nozzle；

The step that concrete 3D prints includes:

(1) use CAM software design product figure on computers, then carry out the AUTOMATIC ZONING slicing treatment of model, Obtain the panel data information of each processing aspect, and be converted into the coordinate G code of molding；

(2) subject polymer is fed forward, and is controlled by dosing pump accurate quantification and put down to molding by nozzle system extrusion Platform, shaped platform make under computer system control X-Y plane motion, the translational speed of shaped platform is 10000mm/s, Dosing pump melt flow is 3000L/h, and precision is-0.1%；Start solid after the temperature of the polymer of extrusion is less than solidification temperature Chemical conversion type, becomes the cross section of profiled member a layer thickness, and the deposition material terminating a layer solidifies rapidly and is bonded to adjacent material Type, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively piles up and form three-dimensional work Part.

Claims (10)

1. a fibre-grade reactive extrursion 3D Method of printing, is characterized in that: by lactam monomers and/or internal ester monomer and auxiliary agent, from Under catalyst action, polyreaction is carried out, it is thus achieved that subject polymer after sub-liquid melt；Then by described subject polymer warp Fusion sediment 3D prints, and successively piles up and forms 3 D workpiece；Described 3 D workpiece after heat treatment obtains final products；

Described ionic liquid isIn more than one；

Described heat treatment refers to keep 3-60min at 100-180 DEG C.

A kind of fibre-grade reactive extrursion 3D Method of printing the most according to claim 1, it is characterised in that described lactam monomers For valerolactam, caprolactam, oenantholcatam, spicy inner formyl amine, certain herbaceous plants with big flowers lactams, ten lactams, 11 lactams, 12 More than one in lactams；Described internal ester monomer be valerolactone, caprolactone, heptalactone, caprylolactone, certain herbaceous plants with big flowers lactone, in ten More than one in ester, undecalactone, dodecalactone；Described catalyst is sodium hydroxide, potassium hydroxide, organometallic More than one in compound；Described organo-metallic compound be one in methyl, ethyl, propyl group, butyl, phenyl with sodium, The stable compound that a kind of combination in potassium, calcium, magnesium is formed；Described auxiliary agent is vinylcaprolactam, isocyanates, ammonia More than one in carbamate, carbonic ester and sulphonic acid ester；Described ionic liquid is In one or more, wherein, R₁For-C_nH_2n+1, phenyl, one in vinyl, Wherein n=1-10；R₂For-C_mH_2m+1, phenyl, one in vinyl, wherein m=1-10；R₃For-C_aH_2a+1, phenyl, One in vinyl, wherein a=1-10；R₄For-C_bH_2b+1, phenyl, one in vinyl, wherein b=1-10；X For NO₃ ^-、SO₄ ^2-、CO₃ ^2-、CH₃COO^-、CF₃SO^3-、(CF₃SO₂)₂N^-、PF^6-、BF^4-、Br^-、Cl^-、AlCl^4-、 Al₂Cl₇ ^-、Al₃Cl₁₀ ^-In one.

A kind of fibre-grade reactive extrursion 3D Method of printing the most according to claim 1, it is characterised in that described polyreaction Temperature is 150-300 DEG C, and catalyst loading is 0.01-1wt%, and additive dosage is 0.1-5wt%, described ionic liquid Addition is 10-40wt%, and the number-average molecular weight of described subject polymer is 1000-20000.

A kind of fibre-grade reactive extrursion 3D Method of printing the most according to claim 1, it is characterised in that described polyreaction exists Completing in screw extruder, described screw extruder includes screw rod, connects the extruder motor of screw rod, heating collar, temperature sensing Device and dosing pump；Described screw rod is the one in single screw rod, twin screw, three screw rods, and draw ratio is 12-48, uniform pitch, Helical angle is 14-18 °, and spiral groove depth is 1.5-3.5mm, and surface roughness is Ra0.4-0.8；Squeezing of described connection screw rod Go out motor and be fixedly mounted on the right side of screw rod, vertical support shaft fix；Described heating collar and temperature sensor are arranged on screw rod Outside.

A kind of fibre-grade reactive extrursion 3D Method of printing the most according to claim 1, it is characterised in that described 3D prints Step includes:

(1) use CAD or CAM software design product figure on computers, then carry out the AUTOMATIC ZONING section of model Process, obtain the panel data information of each processing aspect, and be converted into the coordinate G code of molding；

(2) described subject polymer is fed forward, and is controlled by dosing pump accurate quantification and by nozzle system extrusion to becoming Type platform, shaped platform makees X-Y plane motion under computer system control；When the temperature of the polymer of extrusion is less than solid Change and start curing molding after temperature, become the cross section of profiled member a layer thickness, terminate the deposition material of a layer solidify rapidly and with Adjacent material molding bonded, shaped platform, at the height of Z axis Move Up One Layer, carries out the deposition of next layer, the most successively Pile up and form 3 D workpiece.

A kind of fibre-grade reactive extrursion 3D Method of printing the most according to claim 5, it is characterised in that described shaped platform Translational speed be 10-10000mm/s；Described dosing pump melt flow is 0.1-3000L/h, and precision is ± 0.1%.

A kind of fibre-grade reactive extrursion 3D Method of printing the most according to claim 1, it is characterised in that described 3D prints and adopts Use 3 D-printing machine, including the Screw Extrusion mechanism, three-dimensional motion mechanism, workbench mechanism and the calculating that set gradually Machine controls and drive system, and described Screw Extrusion mechanism maintains static relative to work platforms and profiled member；Described work Platform mechanism is arranged on three-dimensional motion mechanism；It is automatically controlling and driving for complete machine that described computer controls with drive system Dynamic.

A kind of fibre-grade reactive extrursion 3D Method of printing the most according to claim 7, it is characterised in that described three-dimensional motion machine Structure is made up of X-axis motion, Y-axis motion and Z axis motion；Described X-axis motion includes X-axis electricity Machine and lead screw guide rails composition；Described Y-axis motion includes y-axis motor and lead screw guide rails composition；Described Z axis fitness machine Structure includes Z axis motor and lead screw guide rails composition；Described X-axis is supported and fixed on Y-axis feed screw nut, and Y-axis supports fixing On shaping work platform frame, Z axis is vertically fixed on pedestal.

A kind of fibre-grade reactive extrursion 3D Method of printing the most according to claim 7, it is characterised in that described work platforms machine Structure is made up of shaping work platform, shaping work platform frame and leveling nut；Described shaping work stage+module is described X-axis motion on, there is suitable coefficient of friction, it is possible to well fixing ground floor printed material；Described molding Work platforms bracing frame is connected with described Y-axis motion, the most affixed with Z axis moving slide block, it is possible to do with Z axis Move along a straight line up and down；Described leveling nut can regulate the height of molding work platforms, it is ensured that shaping work platform plane is to spray The perpendicularity requirement of head discharging opening.

A kind of fibre-grade reactive extrursion 3D Method of printing the most according to claim 7, it is characterised in that described Screw Extrusion Mechanism is vertical or horizontal, and it includes material feed drum, screw extrusion apparatus and the nozzle system being connected with screw extrusion apparatus； Described material feed drum includes the material feed drum being connected with screw extrusion apparatus, the rounded funnel-form of material feed drum, and outside arranges to be dried and adds Hot device；Described nozzle system is made up of conveyance conduit, nozzle, rotating disk, stop valve and chiller；Described nozzle is installed on Conveyance conduit end, nozzle number at least includes one, it is generally circular in shape, one in rectangle, triangle, rhombus or Several, nozzle comprises 1-1000 spray orifice, spray orifice is generally circular in shape, rectangle, triangle, rhombus, cross, one One or more in font, Y shape, spray orifice outlet diameter is 10-500 μm, nozzle chiller installed above simultaneously, Chiller is ring blowing or cross air blasting, and pathogenic wind-warm is 15-25 DEG C, and wind speed is 0.01-0.1m/s；Described stop valve is installed on spray Above the chiller of head.