CN103802322A - Frequency-division multiplexing (FDM)-based three-dimensional (3D) printer - Google Patents
Frequency-division multiplexing (FDM)-based three-dimensional (3D) printer Download PDFInfo
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- CN103802322A CN103802322A CN201410081889.0A CN201410081889A CN103802322A CN 103802322 A CN103802322 A CN 103802322A CN 201410081889 A CN201410081889 A CN 201410081889A CN 103802322 A CN103802322 A CN 103802322A
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Abstract
The invention discloses a frequency-division multiplexing (FDM)-based three-dimensional (3D) printer, comprising a frame, a base, an X-axis mobile system, a Z-axis mobile system and a printing device, wherein the printing device is connected with the X-axis mobile system; the X-axis mobile system is connected with the Z-axis mobile system; the Z-axis mobile system is connected with a guide rail of an upright post; a power supply and a controller are arranged on the base; the controller is connected with the Z-axis mobile system; the Z-axis mobile system comprises a third numerical control motor, a left screw and a right screw, a Z-axis fixed base and a limit switch; the left screw and the right screw are respectively arranged at the outer sides of a left upright post and a right upright post; the third numerical control motor is connected with the lower ends of the screws; the screws are connected with screw nuts; the screw nuts are connected with the Z-axis fixed base; the Z-axis fixed base is connected with the X-axis mobile system; a fixed base through hole is formed in the Z-axis fixed base; the left upright post and the right upright post pass through the fixed base through hole; the bearing is matched with the guide rail of the upright post. Thus, the FDM-based 3D printer is simple and compact in structure, small in volume and low in manufacturing cost.
Description
Technical field
The present invention relates to 3D printer technology field, particularly a kind of novel 3D printer based on FDM.
Background technology
Three-dimensional printer is emerging technical development industry, there are purposes and huge market demand more and more widely, three-dimensional DIY crowd is increasing simultaneously, but owing to printing with three-dimensional printer, spare and accessory parts cost is high, efficiency is low, while is due to the 3D printer arrangement more complicated of prior art, volume ratio is large, structure is not compact, and buying and use and maintenance cost are higher, have limited consumer's use market and scale.
Summary of the invention
Object of the present invention is exactly the problems referred to above that exist for solving prior art, and a kind of novel 3D printer based on FDM is provided; The present invention is simple in structure, compact, and volume is little, and cost of manufacture is low, has met the consumption demand of current growing 3D printer.
The technical scheme of technical solution problem of the present invention is:
Based on a novel 3D printer of FDM, comprise frame, base, X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment, described frame comprises the left column of both sides, right column and lower connecting plate, lower connecting plate and left column, right column connects, and base is connected with lower connecting plate, and printing equipment is connected with X-axis mobile system, and X-axis mobile system is connected with Z axis mobile system, left column, right column is provided with column guide rail, and Z axis mobile system is connected with column guide rail, and Y-axis mobile system is connected with base, and described X-axis mobile system is provided with the X-axis moving guide rail that printing equipment moves, and described base bottom is provided with the power supply being connected, controller, controller is connected with power supply, described controller and X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment connects, and described Z axis mobile system comprises two the 3rd numerical-control motors, left side leading screw and right side leading screw, left side Z axis holder and right side Z axis holder, limit switch, described two the 3rd numerical-control motors are located at respectively left column, the base bottom of right column both sides, described left side leading screw, right side leading screw is located at respectively left column, right column outside, the 3rd numerical-control motor output shaft protuberate basic unit upper surface is connected with leading screw lower end, leading screw upper end is connected with upper cover, upper cover is connected with upper junction plate, leading screw is connected with feed screw nut, and described feed screw nut is connected with left side Z axis holder and right side Z axis holder respectively, and left side Z axis holder and right side Z axis holder are connected with X-axis mobile system respectively, Z axis holder is provided with holder through hole, left column, right column passes from holder through hole, along left column, the holder through hole both sides of right column two root post center line place planes are respectively equipped with level connection joint hole, and level connection joint is provided with connecting axle in hole, and connecting axle is provided with bearing, and described bearing coordinates with column guide rail, described left side leading screw, right side leading screw axis and left column, right column center line is coplanar on left and right directions, and the 3rd limit switch is located at the upper end surface of column bottom, left side near base, and the 3rd limit switch coordinates with the lower surface of left side Z axis holder, and described the 3rd limit switch is connected with controller.
Described the 3rd limit switch is connected with left column by limit switch fixed block, limit switch fixed block top is provided with the perpendicular grooves of mounting limit switch, be provided with horizontal groove near perpendicular grooves middle part, perpendicular grooves bottom is provided with metallic channel, the wire that limit switch inner side is connected with binding post is outwards derived from metallic channel, and fixed block bottom is provided with body connecting hole, is provided with fixed block body bolt in body connecting hole, fixed block body bolts and nuts coordinate, and nut coordinates with column guide rail; In described horizontal groove, be provided with spring steel wire, described spring steel wire coordinates with the limit switch fixing hole of limit switch, two sidewall contacts of the two ends of spring steel wire and horizontal groove, spring is made as arcuate structure, or middle part and limit switch fixing hole mating part employing straightway, both sides bend with middle part respectively, limit switch bottom contacts with perpendicular grooves bottom and the end contact of location, limit switch front end face and column track is also located.
Z axis holder top, described left side is provided with along the metallic channel of X-axis moving direction, and chassis left side is provided with wire through-hole, and described each numerical-control motor, limit switch pass from wire through-hole with the wire that power supply and controller are connected.
Described printing equipment comprises extrudes printhead, link, feed mechanism, the left and right sides support arm of described link is connected, moves axially along X-axis moving guide rail with X-axis moving guide rail, feed mechanism is arranged on link, extrudes printhead and is connected with link bottom.
Described feed mechanism comprises the 4th numerical-control motor, drive sprocket axle, follower shaft, the 4th numerical-control motor output shaft is provided with the first gear, drive sprocket axle is provided with the second gear, the first gear engages with the second gear, supporting seat is provided with the supporting seat slotted eye of up/down perforation along the middle part of fore-and-aft direction, drive sprocket axle is connected with both sides before and after supporting seat by bearing, the centre of drive sprocket axle is provided with printing consumables driving wheel, in the middle of follower shaft, be provided with driven pulley, printing consumables driving wheel, driven pulley is located in supporting seat slotted eye, before and after supporting seat, both sides are provided with long slot bore, follower shaft is connected with long slot bore by the back shaft end of both sides, back shaft end is radially provided with the horizontally-guided hole of perforation vertical with follower shaft, the axis of described pilot hole and follower shaft axis intersect vertically in horizontal plane, link is provided with driven pulley horizontal level set screw connecting hole, set screw be connected from set screw connecting hole, the dead in line of set screw connecting hole axis and pilot hole, printing consumables is pressed in printing consumables driving wheel by the second Compress Spring of being located in set screw, between driven pulley, the first compression mode is: drive sprocket axle bearing mounting hole and long slot bore separate by the side between long slot bore and drive sprocket axle bearing mounting hole, the thin end of set screw is from pilot hole stretches out, coordinate with the 3rd Compress Spring, one end of the 3rd Compress Spring is connected with long slot bore side, one end coordinates with the step at set screw end rear portion, described set screw is provided with adjusting nut, locking nut, on link, be also provided with the adjusting hole connecting with long slot bore, described adjusting nut, locking nut is located at adjusting hole position, by locking nut, set screw and link are fixed, the second Compress Spring is located in the set screw supporting between axle head and adjusting nut, unclamping after the second Compress Spring like this, under the elastic force effect of the 3rd Compress Spring, driven pulley and printing consumables disengage, the advance and retreat of manual adjustment printing consumables easily, the second compression mode is: drive sprocket axle bearing mounting hole is the structure being communicated with long slot bore, the end of set screw coordinates with pilot hole, thereby omit the 3rd Compress Spring, gap between printing consumables driving wheel and driven pulley outer surface is less than the diameter dimension of printing consumables, described set screw is provided with adjusting nut, locking nut, on link, be also provided with the adjusting hole connecting with long slot bore, described adjusting nut, locking nut is located at adjusting hole position, by locking nut, set screw and link are fixed, the second Compress Spring is located in the set screw supporting between axle head and adjusting nut, elastic force by the second Compress Spring is pressed on printing consumables between printing consumables driving wheel and driven pulley.
Described controller adopts single-chip microcomputer.
Described the 3rd numerical-control motor, the 4th numerical-control motor adopt stepper motor.
The output voltage of described power supply is DC12V dc source.
Described controller, power supply are located at base bottom.
Beneficial effect of the present invention:
1. the present invention is simple in structure, compact, and volume is little, and cost of manufacture is low, has met the consumption demand of current growing 3D printer.
2. compact conformation of the present invention, easy installation and removal, when use, printing consumables is from supporting seat slotted eye, enter the gap between printing consumables driving wheel and driven pulley and pass, driven pulley can adopt bearing empty set to exist, the axis of drive sprocket axle, the output axis of the axis of follower shaft and the 4th numerical-control motor is on same horizontal plane back shaft, position by mobile adjusting nut in set screw, adjust the elastic force of the second Compress Spring, make printing consumables at printing consumables driving wheel, between driven pulley, be subject to different clamping forces, keep printing consumables reliable, be fed to continuously printhead.By being provided with link long slot bore in link both sides, adjusting nut, horizontally-guided hole, driven pulley horizontal level set screw connecting hole, the structure such as adjusting hole connecting with long slot bore, can regulate easily the position of driven pulley, keep the suitable distance of driven pulley and printing consumables driving wheel, make printing consumables be subject to suitable frictional force, and import downwards in printhead with suitable speed, the axial restraint of follower shaft has been realized in horizontally-guided hole, the complex structure of having avoided other axial restraint and fastening means to exist, install and dismantle inconvenience and adjust loaded down with trivial details problem, reduced the size of frame simultaneously, rack construction is compacter: compress mode by the first, unclamping after the second Compress Spring, under the elastic force effect of the 3rd Compress Spring, driven pulley and printing consumables disengage, the advance and retreat of manual adjustment printing consumables easily, compress mode by the second, omit the 3rd Compress Spring, the gap between printing consumables driving wheel and driven pulley outer surface is less than the diameter dimension of printing consumables, more compact structure, and volume is less.
The connecting line of 3.X axle mobile system, the connecting line of printing equipment pass from metallic channel, in the time that numerical-control motor and printhead move along X-direction, numerical-control motor and sensor conductor in this metallic channel by its guide effect, relatively move in groove, wire is neat, avoided wearing and tearing, increased wire dependability.
4. power supply, controller, power interface etc. are located at bottom base, wire unification is passed from wire through-hole, can make full use of base bottom space, center of gravity is low, and base plate top is neat, safe and reliable.
Strain by spring steel wire keep and two sidewalls between pressure make the two close contact, spring is made as to arcuate structure or middle part and limit switch fixing hole mating part and adopts straightway, both sides bend with middle part respectively, adopt both sides respectively with middle part bending structure, by the pressure contact of the pre-sizing between the two ends of spring steel wire and two sidewalls of horizontal groove, the sidewall of horizontal groove deforms, make spring steel wire in horizontal groove, there is directed auto-lock function, while applying horizontal thrust to binding post one side in the horizontal direction limit switch, limit switch is to binding post one side shifting, in the time of applied thrust round about due to the effect of spring steel wire and horizontal groove, there is local microdeformation in horizontal groove inwall, stressed more large deformation is larger, there is the auto-lock function of this direction, limit switch does not produce movement.Pot life bit switch bottom contacts and locates with perpendicular grooves bottom, the end contact of limit switch front end face and column track location, limit switch is located and reliable clamping on limit switch fixed block, coordinate by fixed block body bolts and nuts simultaneously, nut coordinates with column guide rail, coordinate elasticity by adjusting bolt with nut, be easy to regulate the position of limit switch fixed block on column, to adapt to the requirement of the short transverse in the time printing different product, simultaneously because auxiliary connecting plate is connected with working face heating plate by buffer structure, working face heating plate also can regulate flatness and height, keep the accurate distance between printhead and working face heating plate, initial molten mass is combined firmly with working face heating plate, guarantee the quality of printing.Perpendicular grooves bottom is provided with metallic channel, and the wire that limit switch inner side is connected with binding post is outwards derived, played a protective role from metallic channel, avoids the fretting wear of wire, simultaneously compact conformation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cutaway view of A-A the first embodiment of Fig. 1;
Fig. 3 is the cutaway view of A-A the second embodiment of Fig. 1;
Fig. 4 is the B-B cutaway view of Fig. 1;
Fig. 5 is the A partial view of Fig. 1;
Fig. 6 is limit switch fixed block and limit switch combining structure schematic diagram;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is spring steel wire structural representation.
The specific embodiment
In order to understand better the present invention, explain in detail embodiments of the present invention below in conjunction with accompanying drawing.
As shown in Figures 1 to 8, a kind of novel 3D printer based on FDM, comprises frame 1, base 2, X-axis mobile system 3, Y-axis mobile system 4, Z axis mobile system 5, printing equipment 6, described frame 1 comprises the left column 101 of the left and right sides, right column 102 and lower connecting plate 103, described lower connecting plate 103 and left column 101, right column 102 connects, and base 2 is connected with lower connecting plate 103, and described printing equipment 6 is connected with X-axis mobile system 3, and described X-axis mobile system 3 is connected with Z axis mobile system 5, described left column 101, right column 102 is provided with column guide rail, and Z axis mobile system 5 is connected with column guide rail, and Y-axis mobile system 4 is connected with base 2, and described X-axis mobile system 3 is provided with the X-axis moving guide rail 302 that printing equipment moves, and described base 2 bottoms are provided with the power supply 8 being connected, controller 9, controller 9 is connected with power supply 8, described controller 9 and X-axis mobile system 3, Y-axis mobile system 4, Z axis mobile system 5, printing equipment 6 connects, described controller, power supply is located at base bottom, and the output voltage of described power supply is DC12V dc source.Described controller adopts single-chip microcomputer, described Z axis mobile system 5 comprises two the 3rd numerical-control motors 501, left side leading screw and right side leading screw 502, left side Z axis holder and right side Z axis holder 503, limit switch 505, described the 3rd numerical-control motor 501 is located at left column 101, the base bottom of right column 102 both sides, described left side leading screw, right side leading screw 502 is located at respectively left column 101, right column 102 outsides, the 3rd numerical-control motor output shaft protuberate basic unit upper surface is connected with leading screw lower end, leading screw upper end is connected with upper cover 503, upper cover 503 is connected with upper junction plate 104, leading screw 502 is provided with feed screw nut 504, described feed screw nut 504 is connected with left side Z axis holder and right side Z axis holder 503 respectively, left side Z axis holder and right side Z axis holder 503 are connected with X-axis mobile system 3 respectively, Z axis holder 503 is provided with holder through hole 507, left column 101, right column 102 passes from holder through hole 507, along left column 101, the holder through hole both sides of 102 liang of root post center line place planes of right column are respectively equipped with level connection joint hole, in level connection joint hole, be provided with connecting axle 509, connecting axle is provided with bearing 508, described bearing 508 coordinates with column guide rail 105, described left side leading screw, right side leading screw axis and left column 101, right column 102 center lines are coplanar on left and right directions, the 3rd limit switch 505 is located at the upper end surface of column bottom, left side near base, the 3rd limit switch 505 coordinates with the lower surface 510 of left side Z axis holder 503, described the 3rd limit switch 505 is connected with controller.
Described the 3rd limit switch 505 is connected with left column 101 by limit switch fixed block 510, described limit switch fixed block 510 tops are provided with the perpendicular grooves 5101 of mounting limit switch, be provided with horizontal groove 5102 near perpendicular grooves 5101 middle parts, perpendicular grooves bottom is provided with metallic channel 5103, the wire 5108 that limit switch inner side is connected with binding post 5109 is outwards derived from metallic channel 5103, fixed block bottom is provided with body connecting hole 5104, in body connecting hole 5104, be provided with fixed block body bolt 5105, fixed block body bolt 5105 coordinates with nut 5106, nut 5106 coordinates with column guide rail 105, in described horizontal groove 5102, be provided with spring steel wire 5107, described spring steel wire 5107 coordinates with the limit switch fixing hole of limit switch, two sidewall contacts of the two ends of spring steel wire 5107 and horizontal groove 5102, strain by spring steel wire 5107 keep and two sidewalls between pressure make the two close contact, for increasing spring force, spring is made as to arcuate structure or middle part and limit switch fixing hole mating part and adopts straightway, both sides bend with middle part respectively, adopt both sides respectively with middle part bending structure, by the pressure contact of the pre-sizing between the two ends of spring steel wire 5107 and two sidewalls of horizontal groove 5102, the sidewall of horizontal groove 5102 deforms, make spring steel wire 5107 in horizontal groove 5102, there is directed auto-lock function, while applying horizontal thrust to binding post 5,109 one sides in the horizontal direction limit switch, limit switch is to binding post 5,109 one side shiftings, in the time of applied thrust round about due to spring steel wire 5107 and the effect of horizontal groove 5102, there is local microdeformation in horizontal groove 5102 inwalls, stressed more large deformation is larger, there is the auto-lock function of this direction, limit switch does not produce movement.Pot life bit switch bottom contacts and locates with perpendicular grooves 5101 bottoms, the end contact of limit switch front end face and column track location, limit switch is located and reliable clamping on limit switch fixed block 510, coordinate with nut 5106 by fixed block body bolt 5105 simultaneously, nut 5106 coordinates with column guide rail 105, coordinate elasticity by adjusting bolt with nut, be easy to regulate the position of limit switch fixed block 510 on column, to adapt to the requirement of the short transverse in the time printing different product, simultaneously because auxiliary connecting plate 407 is connected with working face heating plate 409 by buffer structure, working face heating plate 409 also can regulate flatness and height, keep the accurate distance between printhead and working face heating plate 409, make initial molten mass and working face heating plate 409 in conjunction with firm, guarantee the quality of printing.
Described printing equipment 6 comprises extrudes printhead 601, link 602, feed mechanism 603, the left and right sides support arm 604 of described link 602 is connected, moves axially along X-axis moving guide rail with X-axis moving guide rail 302, feed mechanism 603 is arranged on link 602, extrudes printhead 601 and is connected with link 602 bottoms.
Described feed mechanism 603 comprises the 4th numerical-control motor 6031, drive sprocket axle 6032, follower shaft 6033, the 4th numerical-control motor output shaft is provided with the first gear 6034, drive sprocket axle 6032 is provided with the second gear 6035, the first gear 6034 engages with the second gear 6035, supporting seat 606 is provided with the supporting seat slotted eye 6036 of up/down perforation along the middle part of fore-and-aft direction, drive sprocket axle 6032 is connected with both sides before and after supporting seat by bearing, the centre of drive sprocket axle 6032 is provided with printing consumables driving wheel 6037, in the middle of follower shaft 6033, be provided with driven pulley 6038, printing consumables driving wheel 6037, driven pulley 6038 is located in supporting seat slotted eye 6036, before and after supporting seat, both sides are provided with long slot bore 6039, follower shaft 6033 is connected with long slot bore 6039 by the back shaft end of both sides, back shaft end is radially provided with the horizontally-guided hole 6040 of perforation vertical with follower shaft, the axis of described pilot hole 6040 and follower shaft 6033 axis intersect vertically in horizontal plane, link is provided with driven pulley horizontal level set screw connecting hole, set screw 6041 be connected from set screw connecting hole, the dead in line of set screw connecting hole axis and pilot hole 6040, the thin end of set screw 6041 is from pilot hole 6040 stretches out, coordinate with the 3rd Compress Spring 6046, one end of the 3rd Compress Spring 6046 is connected with long slot bore 6039 sides, one end coordinates with the step 6047 at set screw 6041 end rear portions, described set screw 6041 is provided with adjusting nut 6042, locking nut 6043, on link, be also provided with the adjusting hole 6044 connecting with long slot bore, described adjusting nut 6042, locking nut 6043 is located at adjusting hole position, by locking nut 6043, set screw 6041 and link are fixed, in the set screw supporting between axle head and adjusting nut, be provided with the second Compress Spring 6045.When use, printing consumables is from supporting seat slotted eye 6036, enter the gap between printing consumables driving wheel 6037 and driven pulley 6033 and pass, driven pulley can adopt bearing empty set to exist, the axis of drive sprocket axle, the output axis of the axis of follower shaft and the 4th numerical-control motor is on same horizontal plane back shaft, position by mobile adjusting nut 6042 in set screw 6041, adjust the elastic force of the second Compress Spring 6045, make printing consumables at printing consumables driving wheel 6037, between driven pulley 6038, be subject to different clamping forces, keep printing consumables reliable, be fed to continuously printhead.By being provided with link long slot bore 6039 in link both sides, adjusting nut 6042, horizontally-guided hole 6040, driven pulley horizontal level set screw connecting hole, the structure such as adjusting hole 6044 connecting with long slot bore, can regulate easily the position of driven pulley, keep the suitable distance of driven pulley and printing consumables driving wheel, make printing consumables be subject to suitable frictional force, and import downwards in printhead with suitable speed, and realize the axial restraint of follower shaft by horizontally-guided hole, the complex structure of having avoided other axial restraint and fastening means to exist, install and dismantle inconvenience and adjust loaded down with trivial details problem, reduced the size of frame simultaneously, rack construction is compacter.Described the 3rd numerical-control motor, the 4th numerical-control motor adopt stepper motor.
By reference to the accompanying drawings the specific embodiment of invention is described although above-mentioned; but not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (8)
1. the novel 3D printer based on FDM, comprises frame, base, X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment, is characterized in that, described frame comprises the left column of both sides, right column and lower connecting plate, lower connecting plate and left column, right column connects, and base is connected with lower connecting plate, and printing equipment is connected with X-axis mobile system, and X-axis mobile system is connected with Z axis mobile system, left column, right column is provided with column guide rail, and Z axis mobile system is connected with column guide rail, and Y-axis mobile system is connected with base, and described X-axis mobile system is provided with the X-axis moving guide rail that printing equipment moves, and base is provided with the power supply being connected, controller, described controller and X-axis mobile system, Y-axis mobile system, Z axis mobile system, printing equipment connects, and described Z axis mobile system comprises two the 3rd numerical-control motors, left side leading screw and right side leading screw, left side Z axis holder and right side Z axis holder, limit switch, described two the 3rd numerical-control motors are located at respectively left column, the base bottom of right column both sides, described left side leading screw, right side leading screw is located at respectively left column, right column outside, the 3rd numerical-control motor output shaft protuberate basic unit upper surface is connected with leading screw lower end, leading screw upper end is connected with upper cover, upper cover is connected with upper junction plate, leading screw is connected with feed screw nut, and described feed screw nut is connected with left side Z axis holder and right side Z axis holder respectively, and left side Z axis holder and right side Z axis holder are connected with X-axis mobile system respectively, Z axis holder is provided with holder through hole, left column, right column passes from holder through hole, along left column, the holder through hole both sides of right column two root post center line place planes are respectively equipped with level connection joint hole, and level connection joint is provided with connecting axle in hole, and connecting axle is provided with bearing, and described bearing coordinates with column guide rail, described left side leading screw, right side leading screw axis and left column, right column center line is coplanar on left and right directions, and the 3rd limit switch is located at the upper end surface of column bottom, left side near base, and the 3rd limit switch coordinates with the lower surface of left side Z axis holder, and described the 3rd limit switch is connected with controller.
2. the novel 3D printer based on FDM as claimed in claim 1, is characterized in that, the output voltage of described power supply is DC12V dc source; Described the 3rd numerical-control motor, the 4th numerical-control motor adopt stepper motor.
3. the novel 3D printer based on FDM as claimed in claim 2, is characterized in that described controller adopts single-chip microcomputer.
4. the novel 3D printer based on FDM as claimed in claim 1, it is characterized in that, Z axis holder top, described left side is provided with along the metallic channel of X-axis moving direction, chassis left side is provided with wire through-hole, and described each numerical-control motor, limit switch pass from wire through-hole with the wire that power supply and controller are connected.
5. the novel 3D printer based on FDM as described in claim 1 to 4 any one, it is characterized in that, described printing equipment comprises extrudes printhead, link, feed mechanism, the left and right sides support arm of described link is connected, moves axially along X-axis moving guide rail with X-axis moving guide rail, feed mechanism is arranged on link, extrudes printhead and is connected with link bottom.
6. the novel 3D printer based on FDM as claimed in claim 5, it is characterized in that, described feed mechanism comprises the 4th numerical-control motor, drive sprocket axle, follower shaft, the 4th numerical-control motor output shaft is provided with the first gear, drive sprocket axle is provided with the second gear, the first gear engages with the second gear, supporting seat is provided with the supporting seat slotted eye of up/down perforation along the middle part of fore-and-aft direction, drive sprocket axle is connected with both sides before and after supporting seat by bearing, the centre of drive sprocket axle is provided with printing consumables driving wheel, in the middle of follower shaft, be provided with driven pulley, printing consumables driving wheel, driven pulley is located in supporting seat slotted eye, before and after supporting seat, both sides are provided with long slot bore, follower shaft is connected with long slot bore by the back shaft end of both sides, back shaft end is radially provided with the horizontally-guided hole of perforation vertical with follower shaft, the axis of described pilot hole and follower shaft axis intersect vertically in horizontal plane, link is provided with driven pulley horizontal level set screw connecting hole, set screw be connected from set screw connecting hole, the dead in line of set screw connecting hole axis and pilot hole, printing consumables is pressed in printing consumables driving wheel by the second Compress Spring of being located in set screw, between driven pulley, the first compression mode is: drive sprocket axle bearing mounting hole and long slot bore separate by the side between long slot bore and drive sprocket axle bearing mounting hole, the thin end of set screw is from pilot hole stretches out, coordinate with the 3rd Compress Spring, one end of the 3rd Compress Spring is connected with long slot bore side, one end coordinates with the step at set screw end rear portion, described set screw is provided with adjusting nut, locking nut, on link, be also provided with the adjusting hole connecting with long slot bore, described adjusting nut, locking nut is located at adjusting hole position, by locking nut, set screw and link are fixed, the second Compress Spring is located in the set screw supporting between axle head and adjusting nut, the second compression mode is: drive sprocket axle bearing mounting hole is the structure being communicated with long slot bore, the end of set screw coordinates with pilot hole, described set screw is provided with adjusting nut, locking nut, link is provided with the adjusting hole connecting with long slot bore, described adjusting nut, locking nut is located at adjusting hole position, by locking nut, set screw and link are fixed, the second Compress Spring is located in the set screw supporting between axle head and adjusting nut, elastic force by the second Compress Spring is pressed on printing consumables between printing consumables driving wheel and driven pulley.
7. the novel 3D printer based on FDM as claimed in claim 1, is characterized in that, described controller, power supply are located at base bottom.
8. the novel 3D printer based on FDM as claimed in claim 1, it is characterized in that, described the 3rd limit switch is connected with left column by limit switch fixed block, limit switch fixed block top is provided with the perpendicular grooves of mounting limit switch, be provided with horizontal groove near perpendicular grooves middle part, perpendicular grooves bottom is provided with metallic channel, the wire that limit switch inner side is connected with binding post is outwards derived from metallic channel, fixed block bottom is provided with body connecting hole, in body connecting hole, be provided with fixed block body bolt, fixed block body bolts and nuts coordinate, nut coordinates with column guide rail, in described horizontal groove, be provided with spring steel wire, described spring steel wire coordinates with the limit switch fixing hole of limit switch, two sidewall contacts of the two ends of spring steel wire and horizontal groove, spring is made as arcuate structure, or middle part and limit switch fixing hole mating part employing straightway, both sides bend with middle part respectively, limit switch bottom contacts with perpendicular grooves bottom and the end contact of location, limit switch front end face and column track is also located.
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| CN201410081889.0A CN103802322B (en) | 2014-03-07 | 2014-03-07 | Based on the novel 3D printer of FDM |
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| CN201410081889.0A CN103802322B (en) | 2014-03-07 | 2014-03-07 | Based on the novel 3D printer of FDM |
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| CN104260352A (en) * | 2014-09-23 | 2015-01-07 | 济南大学 | Mini 3D (three-dimensional) printer adopting FDM (frequency-division multiplexing) technology |
| CN104399977A (en) * | 2014-05-31 | 2015-03-11 | 福州大学 | Direct-current motor and stepper motor combination-driven 3D printer |
| CN104821477A (en) * | 2015-06-01 | 2015-08-05 | 中国工程物理研究院激光聚变研究中心 | Device for printing laser crystal cooling heat sinks and method thereof |
| CN106239909A (en) * | 2016-07-28 | 2016-12-21 | 沈方平 | A kind of 3D print system |
| CN106457669A (en) * | 2014-06-18 | 2017-02-22 | 株式会社放电精密加工研究所 | 3D molding device |
| WO2017048865A1 (en) * | 2015-09-16 | 2017-03-23 | Applied Materials, Inc. | Adjustable z-axis printhead module for additive manufacturing system |
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| CN104821477B (en) * | 2015-06-01 | 2018-05-25 | 中国工程物理研究院激光聚变研究中心 | A kind of device and method for printing laser crystal cooling heat sink |
| CN104821477A (en) * | 2015-06-01 | 2015-08-05 | 中国工程物理研究院激光聚变研究中心 | Device for printing laser crystal cooling heat sinks and method thereof |
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| US11207826B2 (en) | 2015-09-16 | 2021-12-28 | Applied Materials, Inc. | Additive manufacturing system having blade and dispenser on common support |
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