CN103286266A

CN103286266A - Molding assembly with heating and cooling system

Info

Publication number: CN103286266A
Application number: CN2013100619036A
Authority: CN
Inventors: 查尔斯·艾伦·罗科; 雷蒙德·爱德华·卡利什; 杰弗里·N·康利; 伯尼·杰勒德·马切蒂
Original assignee: Ford Motor Co
Current assignee: Ford Motor Co
Priority date: 2012-02-29
Filing date: 2013-02-27
Publication date: 2013-09-11
Also published as: US20130220572A1; KR20130099865A; DE102013203366A1

Abstract

A molding assembly for making molded parts includes a molding tool having conformal fluid lines that follow contours of a molding surface of the molding tool. The conformal fluid lines are defined in the molding tool during casting by sacrificial displacement lines formed by a three-dimensional printer. A temperature control station is coupled to the molding tool and includes a heating and cooling fluid. A valve station regulates fluid flow to the molding tool.

Description

Moulding assembly with heating and cooling system

Technical field

Present invention relates in general to have the moulding assembly of heating and cooling system.

Background technology

Usually with various formation systems by the moulding material finished parts.The heating and cooling of molding assembly are difficult to regulate.

Summary of the invention

According to an aspect of the present invention, comprise the shaping jig with general character fluid circuit for the manufacture of the moulding assembly of profiled member, wherein conformal fluid circuit is followed the profile of the molded surface of shaping jig.The sacrifice replacement pipeline that is formed by the three dimensional printing machine limits conformal fluid circuit in shaping jig in casting process.The temperature control station connects shaping jig and comprises the heating and cooling fluid.The fluid that flows to shaping jig is regulated at the valve station.

According to a further aspect in the invention, comprise the shaping jig with conformal fluid circuit and conformal liquid reservoir for the manufacture of the moulding assembly of profiled member, wherein the molded surface of the contiguous shaping jig of conformal liquid reservoir.The sacrifice core part that is formed by three-dimensional seal sand device limits conformal fluid circuit and conformal liquid reservoir in shaping jig in casting process.Closed fluid circuit connects shaping jig and temperature control station.

According to another aspect of the invention, a kind of method of making profiled member comprises making to have sacrifices the sacrifice mould core package of replacing pipeline, wherein sacrifices the replacement pipeline and generates by apply binding agent in the multilayer fine particles.Form the shaping jig with conformal pipeline by sacrificing the mould core package and sacrificing the replacement pipeline.The fluid temperature (F.T.) control station connects with conformal pipeline in the shaping jig.The heating moulding material also is injected in the mold cavity of shaping jig.Moulding material cools off in mold cavity.

Be suitable at multilayer sand printing multi-layer adhesive to form the seal sand device of mold cores of the present invention comprising on the one hand again.Mold cores be used for to make up embeds mould, bed die or for the manufacture of the shaping jig of profiled member.Thereby embed mould or shaping jig and comprise the conformal pipeline that is suitable for holding the profiled member formation that adds hot fluid and cooling fluid auxiliary embedding mould or shaping jig inside.Conformal pipeline is closely followed the contiguous formation surface that embeds the mold cavity of mould or shaping jig.

Those skilled in the art will be better appreciated by these and other aspect of the present invention, purpose and feature after reading following explanation, claim and accompanying drawing.

Description of drawings

In the accompanying drawing:

Fig. 1 is rigidity storage case before forming the mold cores bag by sand seal device or the birds-eye perspective of work box;

Fig. 2 is the rigidity storage case birds-eye perspective that scatters the Fig. 1 in the process of ground floor fine particles in the rigidity storage case;

Fig. 3 is the birds-eye perspective of the rigidity storage case of the Fig. 1 after handling through several times sand seal device;

Fig. 4 is the birds-eye perspective that new trickle granulosa is about to cover the rigidity storage case of the Fig. 1 before the print surface of rigidity storage case;

Fig. 5 is the birds-eye perspective of rigidity storage case of Fig. 1 of the new trickle granulosa print surface that just covering the rigidity storage case;

Fig. 6 is the birds-eye perspective of the rigidity storage case of the Fig. 1 after mold cores complete in the rigidity storage case has printed;

Fig. 6 A is the side perspective of rigidity storage case that comprises Fig. 1 of the mold cores that just removes unnecessary not bonding sand;

Fig. 7 is the birds-eye perspective after unassembled die assembly removes from the rigidity storage case;

Fig. 7 A is the birds-eye perspective of mold cores of Fig. 7 of assembling;

Fig. 8 is the vertical view of the mold cores bag of Fig. 7 A;

Fig. 9 is the top perspective cross-sectional view along the line IX-IX of Fig. 8;

Figure 10 is the side-looking normal cross-section figure of mold cores bag of Fig. 8 of X-X along the line;

Figure 11 is the top perspective cross-sectional view of mold cores bag in the process of motlten metal being inserted in the casting area that is limited by the mold cores bag;

Figure 12 is that motlten metal is introduced the mold cores bag top perspective cross-sectional view of the formation of mold cores bag afterwards;

Figure 12 A is the side-looking normal cross-section figure of the mold cores bag of Figure 12;

Figure 13 is so the birds-eye perspective of the shaping jig that is formed by the mold cores bag that produces;

Figure 14 A is the top perspective cross-sectional view of an embodiment that runs through the conformal pipeline structure of shaping jig;

Figure 14 B is the top perspective cross-sectional view of another embodiment that runs through the conformal pipeline of shaping jig;

Figure 14 C is the top perspective cross-sectional view of another embodiment that runs through the conformal pipeline of shaping jig;

Figure 14 D is the top perspective cross-sectional view of another embodiment that runs through the conformal pipeline of shaping jig;

Figure 14 E is the top perspective cross-sectional view of another embodiment that runs through the conformal pipeline of shaping jig;

Figure 14 F is the top perspective cross-sectional view of another embodiment that runs through the conformal pipeline of shaping jig;

Figure 14 G is the top perspective cross-sectional view of another embodiment that runs through the conformal pipeline of shaping jig;

Figure 14 H is the top perspective cross-sectional view of another embodiment that runs through the conformal pipeline of shaping jig;

Figure 14 I is the top perspective cross-sectional view of another embodiment that runs through the conformal pipeline of shaping jig;

Figure 15 A is the top perspective cross-sectional view of an embodiment that runs through the conformal liquid reservoir of shaping jig;

Figure 15 B is the conformal liquid reservoir of Figure 15 A and the birds-eye perspective of shaping jig;

Figure 15 C is the top perspective cross-sectional view of another embodiment that runs through the conformal liquid reservoir of shaping jig;

Figure 15 D is the conformal liquid reservoir of Figure 15 C and the birds-eye perspective of shaping jig;

Figure 15 E is the birds-eye perspective of another embodiment that runs through the conformal liquid reservoir of shaping jig;

Figure 15 F is the birds-eye perspective of another embodiment that runs through the conformal liquid reservoir of shaping jig;

Figure 15 G is the birds-eye perspective of another embodiment that runs through the conformal liquid reservoir of shaping jig;

Figure 16 is the birds-eye perspective of shaping jig, is illustrated in the first half module tool before being connected with the second half module tool of complementation;

Figure 16 A is the birds-eye perspective after the first half module tool of Figure 16 is connected with the second half module tool;

Figure 17 is the birds-eye perspective of the profiled member that removes from the first half module tool and the second half module tool;

Figure 18 is the top perspective cross-sectional view that embeds the formation of die worker's tool in the mold cores bag;

Figure 19 is the side-looking normal cross-section figure of the embedding die worker tool of Figure 18;

Figure 20 is the top perspective cross-sectional view that removes embedding die worker tool afterwards from the mold cores bag;

Figure 21 is the birds-eye perspective that is installed to first and second bed dies, the first and second embedding die worker tools before;

Figure 21 A is the top perspective cross-sectional view of the moulding assembly of Figure 21;

Figure 22 is the birds-eye perspective of the moulding assembly of Figure 21 in the forming parts process;

Figure 23 is the birds-eye perspective of the moulding assembly of Figure 21 in removing the process of profiled member;

Figure 24 is relevant with the moulding assembly and will adds the schematic diagram that hot fluid is introduced the temperature control station of moulding assembly;

Figure 25 is related with the moulding assembly and cooling fluid is introduced the schematic diagram of the temperature control station of moulding assembly;

Figure 26 is the schematic diagram of an embodiment of the heating system used with the moulding assembly;

Figure 27 is the schematic diagram of an embodiment of the cooling system that uses with shaping jig of the present invention;

Figure 28 is the top perspective exploded view that comprises the sand mo(u)ld bag of top swage (cope mold), anvil swage (drag mold) and core;

Figure 29 is the birds-eye perspective of the sand mo(u)ld bag of core Figure 28 of embedding anvil swage;

Figure 30 is the birds-eye perspective that mo(u)ld top half and anvil swage are close to the sand mo(u)ld bag that the Figure 28 for preparing the casting melted material is set mutually;

Figure 31 is by the perspective view of the cast member of the sand mo(u)ld packet generation of Figure 28 under the situation about having broken away from of the sand mo(u)ld bag at Figure 28; And

Figure 32 is the perspective view of the casting instrument that packs of the sand mo(u)ld by Figure 28.

The specific embodiment

In order to describe, term herein " on " (" upper "), D score (" lower "), " right side " (" right "), " left side " (" left "), " back " (" rear "), " preceding " (" front "), " vertically " (" vertical "), " level " (" horizontal ") and derivative thereof will relate in general to invention shown in Figure 1.What however, it should be understood that is that the present invention can adopt various alternative orientation and step order, unless opposite offering some clarification on arranged.What it is also to be understood that is to reach the illustrative embodiments that the illustrated concrete device of specification and program only are the inventive concepts of claim restriction shown in the accompanying drawing.Therefore, should not be considered to restrictive about the concrete size of embodiment disclosed herein and other physical features, unless explicit state is arranged in the claim in addition.

With reference to Fig. 1-2 7, represented mold cores bag (mold core package) 10 among the figure.Mold cores bag 10 is used to form shaping jig (molding tool) 12.Mold cores bag 10 comprises a plurality of particulate layers that pile up (stacked particulate layer) 14 of (the binding agent) 16 that have binding agent.A plurality of particulate layers that pile up form sacrificial wall (sacrificial wall) 18.Elongated sacrifice particulate pipeline 20 runs through mold cores bag 10 and limit conformal pipeline (conformal line) 22 in shaping jig 12.Mold cavity (mold cavity) 26 limited by a plurality of particulate layers 14 that pile up.

Can be contemplated that shaping jig 12 can be used for the forming operation of any kind of.Such forming operation can comprise injection moulding, foam-formed, blowing, thermoforming, transfer molding, reaction injection molding, compression forming, extrude etc.Described such as described below, shaping jig 12 is used for injection moulding and uses.Yet the person of ordinary skill in the field should be understood that, can be used for aforementioned any moulding by the shaping jig 12 that utilizes mold cores bag 10 to make and use.

Referring now to Fig. 1-6, moulding box (pattern box) or the work box (job box) 40 made by any materials that comprises timber, metal etc. are placed on the below of printing equipment 42.Work box 40 limits Printing Zone 44, and in Printing Zone 44, a plurality of particulate layers 14 that pile up will make up mold cores bag 10(Fig. 8).Printing equipment 42 comprises funnel 46 and dislodger 48, and dislodger 48 is the 44 laid inside thin layer of the fine particles 50 of the such activation of the mixture etc. of silica, sand, pottery and sand for example in the Printing Zone.Particulate 50 can be to comprise that diameter is the virtually any size of 0.002mm to 2mm.Printing equipment 42 also comprises adhesive (binder) precipitation equipment or adhesive dispenser 52.As following in detail disclosed like that, adhesive dispenser 52 sprays thin layer of adhesive or binding agent 16 with the shape of the individual layer of the mold cores bag 10 of expectation.The layering of sand and on fine particles 50, repeat to cause producing three-dimensional (3D) mould type core (mold core pattern) 10 by adhesive dispenser 52 ejection binding agents 16.3D mould type core 10 generates through be enough to a period of time of all printing on each thin layer of fine particles 50.The mold cores bag 10 that generates is the most at last for the manufacture of the shaping jig 12 that is used for producing profiled member (molded part).

With reference to Fig. 1, initial, with computer 60 that printing equipment 42 connects in CAD (CAD) program of the intended shape that comprises finished product moved be transfused to the CAD program of printing equipment 42.The 3D modeling software that can be contemplated that CAD or any other form may be used to provide enough information to form mold cores bag 10(Fig. 8 of expectation for 3D printing equipment 42).Before opening 3D printing equipment 42, pour in the funnel 46 together with the washcoat that is provided by activator spout 72 or activator 70 by the fine particles 50 of particulate spout 62 with predetermined quantity.Although shown embodiment uses fine sand as fine particles 50, that as above mentions is such, and fine particles 50 can comprise the material of any kind of or their combination.Fine particles 50 is mixed with activator 70 in funnel 46.Thereby the mixture activation fine particles 50 that can mix fine particles 50 and activator 70 by agitator 74 or other such agitating devices.After fine particles 50 and activator 70 mix fully, fine particles 50 is moved to dislodger 48.

Referring now to Fig. 2 and Fig. 3, fine particles 50 moves to after the dislodger 48, scatters fine particles 50 in mode thin and layer uniformly across Printing Zone 44 by dislodger 48.Scatter after the thin layer Printing Zone 44 in work box 40, binding agent 16 is sprayed on the fine particles 50 of activation.Binding agent 16 is from adhesive dispenser 52, and adhesive dispenser 52 is at mold cores bag 10(Fig. 8 of expression expectation) the pattern 80 of the first thin cross-sectional layer in ejection skim binding agent 16.After ejection binding agent 16, prepare another mixture of fine particles 50 and activator 70, and mixture is poured into dislodger 48.Dislodger 48 distributes the fine particles 50 of another layer activation on 50 layers of fine particles of scattering before in work box 40 then.Adhesive dispenser 52 is crossed Printing Zone 44 again, ejection thin layer binding agent 16 in the pattern 80 of the second thin cross-sectional layer of the mold cores bag 10 of the expectation of the contiguous first thin cross-sectional layer of expression.Repeat these steps repeatedly, up to each cross-sectional layer (Fig. 6) of the mold cores bag 10 that is in print.Utilize this mold cores constructing technology, in fact can form the mold cores bag 10 of Any shape.And mold cores bag 10 can have the inner structural features that can't produce by other known method.Particularly, mold cores bag 10 can be constructed as and is included in many sacrifice particulate pipeline (sacrificial particulate line) 20(Fig. 6 A that extend in the mold cores bag 10 and center on 10 extensions of mold cores bag).Sacrificing particulate pipeline 20 for many is produced by the mode identical with forming mold cores bag 10 by binding agent 16 and fine particles 50.As here will be further in detail disclosed, a plurality of sacrifice particulate pipelines 20 are used for limiting conformal passage or conformal pipeline 22(Figure 13), conformal passage or conformal pipeline 22 allow Fast Heating and cooling forming instrument 12(Figure 13 in the injection molding process of part).

Referring now to Fig. 7 and Fig. 7 A, what it is also contemplated that is to use any interlocking features (interlocking feature) for the assembly that connects the mould core package.In the embodiment shown, the assembling die core 92 with a plurality of assemblies of

mold cores bag

93A, 93B, 93C and 93D is suitable for inserting in the work box.In specific example, when forming big shaping jig 12(Figure 13) time, can need several component assembling with the mold cores bag together to form shaping jig 12.As shown in the figure, utilize and sacrifice connector 94 in conjunction with the assembly of

mold cores bag

93A, 93B, 93C and 93D, this sacrifice connector 94 is suitable for engaging receiving slit 95 in each assembly of

mold cores bag

93A, 93B, 93C and 93D.The function class of the mold cores bag 10 that the function of the assembly of

mold cores bag

93A, 93B, 93C and 93D and the present invention discuss seemingly.

Shown in Fig. 8-11,3D mold cores bag 10 comprises generally the profiled surface (forming surface) 100 of the shape of the part that expression will final molding.Mold cores bag 10 also is included in the shaping jig 12 and limits conformal pipeline 22(Figure 13) a plurality of sacrifice particulate pipelines 20.Mold cores bag 10 also has the size that comprises conformal pipeline 22 and the shape of layout, and wherein, conformal pipeline 22 is elongated passages, forms in shaping jig 12 in the process of profiled member, transmits the heating and cooling fluid by this elongated passage.Simultaneously, conformal pipeline 22 is arranged on molded surface (molding surface) the 160(Figure 13 that becomes surface of shaped parts the most at last) near.Conformal pipeline 22 helps the heating and cooling of profiled member in molding process.As Fig. 9 and shown in Figure 10, mold cores bag 10 is prepared for introducing melted material 110.Melted material 110 can be the metal that comprises any kind of of cast iron or alloy.Being interrupted core supporting member 111 at interval can be arranged in the mold cores bag 10.Core supporting member 111 will be sacrificed particulate pipeline 20 and be remained on appropriate location on the profiled surface 100.Mold cores bag 10 and a plurality of sacrifice particulate pipeline 20 all use once to make a shaping jig 12.That is, form in the process of shaping jig 12 after melted material 110 solidifies in mold cores bag 10, mold cores bag 10 and a plurality of sacrifice particulate pipeline 20 are destroyed generally.Can be 61/268 with for example application number, 369, U.S. Provisional Patent Application and international publication number that name is called " production casting surface or coagulate the method (Method of Producing a Cast Skin or Slush Mold) of mold tool " are WO2010/144786, name is called shown in the PCT application of " the low CTE with surface of the texture coagulates mold tool and manufacturing and utilizes the method (Low CTE Slush Molds with Textured Surface; and Method of Making and Using the Same) of this mould " and the alloy of explanation injects mold cores bag 10, and the full content of above-mentioned two pieces of patent documentations mode by reference is herein incorporated.

Referring now to Figure 11-13, by being poured into, melted material 110 makes shaping jig 12 in the mold cores bag 10.Melted material 110 fills up mold cores bag 10, sacrificial wall 18 and sacrifices among the particulate pipeline 20 and all white spaces on every side.Melted material 110 can incinerate the part or all of binding agent 16 in the thin particulate layer 14.After melted material 110 embeds in the mold cores bag 10, mold cores bag 10 is placed on heat makes in the stove of binding agent 16 volatilizations in the mold cores bag 10.By smashing sacrificial wall 18 casting instrument 12 is broken away from from mold cores bag 10 then, and can wash away or wash any remaining sand on the shaping jig 12.Similarly, also make binding agent 16 volatilizations of sacrificing in the particulate pipeline 20, make and to remove conformal pipeline 22 with brush or from the power sprayer that conformal pipeline 22 is washed fine particles 50 off.

In addition, can be contemplated that to center on the mold cores bag that for example mold cores bag 10 shown in Figure 11 prints the thin wall (containment wall) that holds.Can be contemplated that the thin structure that wall can reflect work box shown in Figure 11 40 to a great extent that holds.When also at graphic arts die core 10 bags, can utilize the thin wall that holds of above-mentioned sand seal technology printing.Can hold for example such melted material of above-mentioned melted material 110 of casting in the wall printing around mold cores bag 10 thin.In order to make the thin wall energy of holding enough withstand casting technique, having to be nested in the foundry sand around the thin mold cores bag that holds wall of mold cores bag printing increases supporting.Like this, when being supported by foundry sand, can utilize additional manufacturing process to be provided for holding and forming the wall that holds of foundry goods.In addition, can utilize the thin technology of holding wall of similar printing protectiveness to surround very fine and complicated mold cores bag fully.Like this, can be contemplated that and to print protectiveness thin-walled contained structure that this structure is surrounded meticulous mold cores bag fully and carried out casting technique with protection mold cores bag up to needs.Can smash the protectiveness thin-wall construction then and take out the mold cores bag to allow casting operation person.

Shown in Figure 12-13, allow melted material 110 sclerosis then.Melted material 110 hardens to form shaping jig 12.After the sclerosis, destroy mold cores bag 10 and remove internal voids.After cleaning and suitably handling shaping jig 12, the finished product shaping jig 12 that stays can form profiled member in injection moulding or other moulding process.Shaping jig 12 comprises for moulding material 122(Figure 15 B) be expelled to the mold cavity 26(Figure 16 A that between relative shaping jig 12, limits) injection port 120.In addition, should be noted in the discussion above that conformal pipeline 22 is provided in shaping jig 12.Shaping jig 12 is only represented moulding assembly 130(Figure 16 A) half, moulding assembly 130 comprises as being used to form the first half module tool 132 and second half module tool 134(Figure 16 A of profiled member 140) two shaping jigs 12 of operation.

Referring now to Figure 14 A-14H, sacrifice particulate pipeline 20(Figure 12) can be formed with and after mold cores bag 10 is applied melted material, limit erose various projections in the conformal pipeline 22.Therefore, conformal pipeline 22 can comprise various structures and feature, for example turbulence induced parts (turbulence inducing member).Shown in Figure 14 A, conformal pipeline 22 comprises a plurality of fins (fin) 141 that limit the groove (recess) 143 in the shaping jig 12.Groove 143 is passed to moulding material 110 or the thermodynamic characteristics of the expectation of the heat that disappears effectively with heat before can be provided in moulding process from the part of moulding.In another embodiment, as shown in Figure 14B, fin 141 and groove 143 are configured to helical pattern (spiral pattern), and it can produce additional turbulent flow in conformal pipeline 22 when heating or cooling forming instrument 12.For example the similar embodiment shown in Figure 14 C-14F comprises diamond configuration (Figure 14 C), presents the diamond configuration (Figure 14 D) of spiral structure, oval structure (ovular construction) (Figure 14 E) and the oval structure (Figure 14 F) that presents spiral structure.In addition, the diameter of conformal pipeline 22 can also change, and makes mobile increase or the minimizing (Figure 14 G) of passing through shaping jig 12 when warm/cold fluid during by conformal pipeline 22.Because utilize the mold cores of making by the 3D typography that describes in detail to pack the type instrument 12 that causes here, therefore conformal pipeline 22 can have these and other variant.Tradition is used for the cooling line of shaping jig is frequently holed, and has therefore got rid of the possibility of erose conformal pipeline 22.In addition, shown in Figure 14 H, the longitudinal length that can be contemplated that conformal pipeline 22 can be linear, arc, angled etc.And, conformal pipeline 22 can be waveform and comprise very near molded surface 160(Figure 15 A) part and the other parts that keep clear of molded surface 160, make the zones of different of conformal pipeline 22 have different heat affectings to shaping jig 12 and part that finally will moulding.As mentioned here, can make these structures by the 3D typography that describes in detail here.

Referring now to Figure 15 A-15D, can be contemplated that conformal pipeline 22 can be communicated with or become the part of one or more conformal liquid reservoirs 145 with one or more conformal liquid reservoirs (conformal reservoir) 145.Each conformal liquid reservoir 145 is replaced body (sacrificial displacement body) by the sacrifice that forms with mold cores bag 10 and is formed in the process that makes up mold cores bag 10.Sacrifice replacing body can be included in and limit erose a plurality of grooves in the conformal liquid reservoir 145 after mold cores bag 10 applied melted material.Conformal liquid reservoir 145 is suitable for providing the even of hot/cold fluid by the molded surface 160 of restriction in shaping jig 12, the contiguous shaping jig 12 to flow.Shaping jig 12 can comprise a plurality of conformal liquid reservoir 145 that spreads all over shaping jig 12 extensions.Shown in Figure 15 C and 15D, provide the cycle rail post (periodic column) 146 of the load that is designed to bear the shaping jig 12 relevant with injection moulding pressure.Cycle rail post 146 guarantees that injection moulding instrument 12 can damaged or fracture near any conformal liquid reservoir 145.In addition, shaping jig 12 comprise prevent from being expelled to mold cavity 26(Figure 16 A) in moulding material enter the partition wall (separation wall) 139 of conformal liquid reservoir 145 or conformal pipeline 22.

According to the heat affecting to the expectation of shaping jig 12 and part that finally will moulding that conformal pipeline 22 has, conformal liquid reservoir 145 can present various structures and can be positioned at apart from the position of the various distances of molded surface 160.In addition, can be contemplated that conformal liquid reservoir 145 can run through whole shaping jig 12 undulates.More specifically, some part of conformal liquid reservoir 145 can be than the molded surface 160 of the more close shaping jig 12 of the other parts of conformal liquid reservoir 145, therefore provides with those zones of distance molded surface 160 conformal liquid reservoir 145 far away and compares the zone that has the higher thermal influence of molded surface 160.

Referring now to Figure 15 E-15G, various turbulence induced parts can be set with the stagnation that is limited in the hot/cold fluid that flows through part in the injection molding technique process in conformal liquid reservoir 145 inside and improve turbulent flow.Shown in Figure 15 E, a plurality of fins 147 are set, they are so that relative to each other angle setting and promotion flow into fin 147 and flow around fin 147.As selection, shown in Figure 15 F, position at intermittence in conformal liquid reservoir 145 inside arranges a plurality of baffle plates 148, and it is used for the flowing of hot/cold fluid that conformal liquid reservoir 145 is flow through in influence, and makes and be down to minimum in the heat affecting of the hot/cold fluid of the position of baffle plate 148.In another embodiment, shown in Figure 15 G, a plurality of intermittence, projection 149 extended in the conformal liquid reservoir 145, influenced flowing and stagnating of hot/cold fluid in the conformal liquid reservoir 145 thus.Although shown projection 149 comprises cylindrical structural, be understandable that projection 149 also can adopt many different shapes.The person of ordinary skill in the field will also be appreciated that the direct result that makes up as by 3D typography disclosed herein, can form any various framework (architecture) in shaping jig 12.In molding process, the turbulent flow parts are limited by the groove in the mold cores, and this groove is melted material subsequently and fills in the process of making shaping jig 12.

Referring now to Figure 16 and Figure 16 A, the first half module tool 132 with form in advance and be connected at the second complementary in shape half module tool 134.The first half module tool 132 and 134 representatives of the second half module tool utilize the shaping jig 12 of the printing technology formation of describing in detail with reference to Fig. 1-14.Profiled member 140(Figure 17 that mold cavity 26 expressions between the first half module tool 132 and the second half module tool 134 will form) shape.The first half module tool 132 and the second half module tool 134 are connected by the pin (pin) 144 that is arranged on around each the corner in the first and second half module tools 132,134 and laterally (X and Y-direction) fixes the first half module tool 132 and the second half module tool 134.Simultaneously, forcing press (press) 150 is fixed the first half module tool 132 and the second half module tool 134 in the vertical direction.After the first half module tool 132 and the second half module tool 134 have been fixed together, pass through injection port 120 injection moulding materials 122 in the mode of high pressure.Therefore, the mold cavity 26 that limits between the first half module tool 132 and the second half module tool 134 is filled up by moulding material 122.Simultaneously, the conformal pipeline 22 that the molded surface 160 by the contiguous first half module tool 132 and the second half module tool 134 arranges will add hot fluid 152(Figure 24 and Figure 25) with being pumped into import 153, and add hot fluid by outlet 155 outflows.Add the molded surface 160 of the hot fluid 152 heating first half module tools 132 and the second half module tool 134, cause that moulding material 122 fully flows into mold cavity 26.After moulding material 122 filled up mold cavity 26 fully, conformal pipeline 22 was discharged and is added hot fluid 152.Fill conformal pipeline 22 is arranged in mold cavity 26 with quick cooling moulding material 122 with cooling fluid 154 then.Can be contemplated that cooling fluid 154 can be identical fluid with adding hot fluid 152.As selection, cooling fluid 154 can be to use good first fluid under cooling condition, and adding hot fluid 152 can be to use the second good fluid under heating condition.Through after predetermined a period of time, the first half module tool 132 separates with the second half module tool 134, and removes profiled member 140(Figure 17).The first half module tool 132 and the second half module tool 134 are prepared to reconnect and introduce other moulding material 122 to form more profiled member 140 now.

An embodiment more of the present invention comprises embedding moulding assembly (insert molding assembly) 168(Figure 21), this assembly has and is suitable for engaging respectively first and second bed dies 174,176 first and second embed moulds 170,172, the first and second and embed moulds 170,172 and be also referred to as die cavity instrument (cavity tool) 170 and core tool 172.Shown in Figure 18-20, first and second embed mould 170,172 forms by the similar technology according to above Fig. 1-14 general introduction.Utilize identical 3D typography, embed moulds 170,172 rather than be used to form finished product shaping jig 12 but the 3D typography is used to form first and second.First and second embed mould 170,172 prepares for connecting first and second bed dies 174,176 fast, allow the user from first and second bed dies 174,176, to swap out fast thus and first and second embed moulds 170,172, improve the speed of in former, making different profiled members 140 thus.Conformal pipeline 22 and conformal liquid reservoir 145 can be in embedding mould 170,172 any in form or all form in two at them.What it is also contemplated that is, conformal pipeline 22 can be communicated with conformal pipeline 22 fluids in first and second bed dies 174,176, perhaps is communicated with delivery line (relay line) fluid in first and second bed dies 174,176.By before in mold cores bag 10, introducing melted material, in mold cores bag 10, form such as sacrificing the replacement pipeline and sacrificing and replace the such sacrifice core part of body, make conformal pipeline 22, conformal liquid reservoir 145 and any delivery line.

Shown in the embodiment of Figure 21-23, first and second embed mould 170,172 is designed to embed respectively in first and second bed dies 174,176.First and second embed moulds 170,172 be arranged on first and second bed dies 174,176 corner pin 180 on every side aligns.Although pin 180 is suitable for engaging the first and second embedding moulds 170,172 among the embodiment shown in Figure 21-23, therefore the present invention is not defined as this embodiment.Pin 180 serves as the guide feature that can guide insert, bed die, insert and bed die, perhaps can remove pin 180 fully.First bed die 174, first embeds mould 170, second and embeds mould 172 and is connected securely with second bed die 176 then, and moulding material 122 embeds in first bed die 174 by entrance 179 and passes the first embedding mould 170.Moulding material 122 occupies first and embeds the mold cavity 26 that mould 170 and second embeds restriction between the mould 172.Then by conformal pipeline 22 hot briquetting materials 122, conformal pipeline 22 comprises by conformal pipeline 22 usefulness and is pumped into entrance 182 and adds hot fluid 152 from what first and second outlets 184 that embed moulds 170,172 molded surface 188 were flowed out.After the moulding material 122 complete superchargings to mold cavity 26 inside, cooling fluid 154 is inserted in the conformal pipeline 22 with quick cooling or refrigeration moulding material 122, the profiled member 140 of formation sclerosis thus.Then from mold cavity 26(Figure 23) remove profiled member 140, then first bed die 174, first embed that mould 170, second embeds mould 172 and second bed die 176 reconnects and again filling molding material 122 to form other profiled member 140.

Forward Figure 24 and Figure 25 now to, can be contemplated that generally to extend through shaping jig 12 or embed moulding assembly 168(jointly to be called " moulding assembly 200 ") add hot fluid 152 and cooling fluid 154 transmits from temperature control system 202.Temperature control system 202 comprise with shaping jig 12 or embed that moulding assembly 168 is communicated with add hot fluid 152 and cooling fluid 154.When wanting hot briquetting assembly 200, typically in the moulding material 122 initial processes that embed in the moulding assembly 200, valve station (valve station) 204 opens and allows to add hot fluid 152 flows to moulding assembly 200 from the fluid reservoir 208 of heating heated side valve 206.Simultaneously, control cooling fluid 154 is closed from the cold side valve 210 that the fluid reservoir of cooling off 212 flows to moulding assembly 200, makes cooling fluid 154 can't arrive moulding assembly 200.Moulding assembly 200 has reached desired temperatures and after a period of time through expectation, has added the fluid reservoir 208 that hot fluid 152 returns heating then, allows to add the heated side valve 206 that hot fluid 152 fluids are communicated to moulding assembly 200 and closes.Simultaneously as shown in figure 25, the cold side valve 210 of closing between the fluid reservoir 212 of cooling and the moulding assembly 200 is opened, and makes cooling fluid 154 can flow to moulding assembly 200, so the profiled member 140 of cooling forming material 122 and formation sclerosis.

Figure 26 represents an embodiment with the heating system 300 of aforesaid moulding assembly 200 uses.Heating system 300 comprises the heating fluid circuit 302 through dirt trap 304, and wherein dirt trap 304 is removed and added any dirt or the chip that may exist in the hot fluid 152.Add hot fluid 152 then through degassing tank 306.Degassing tank 306 is removed unwanted gas and other impurity before being moved to heater 310 by pump 308 adding hot fluid 152.Add hot fluid 152 generally than the cold of expectation some return from the moulding assembly 200 that heat takes place transmits because add hot fluid 152.Therefore, need in heater 310, reheat and add hot fluid 152.Heater 310 will add hot fluid 152 before adding hot fluid 152 adds hot fluid 152 through auxiliary adjustment the heat exchanger 312 of heat temperature is increased to preferred temperature.Heat exchanger 312 and coolant outlet 314 and prevent that the chilled(cooling) water supply (CWS) 316 that heat exchanger 312 reaches excessive temperature from connecting.Adding hot fluid 152 through before the flowmeter 320 then, adding first and second temperature sensors 317,318 that hot fluid 152 process affirmations add the temperature of hot fluid 152, wherein flowmeter 320 provides the volume flow that adds hot fluid 152 that flows to moulding assembly 200.

Referring now to Figure 27, be depicted as and be suitable for the cooling system 400 that is connected with moulding assembly 200.Cooling fluid 154 is by dirt trap 402 and flow into cooler bin 404, and in cooler bin 404, cooling fluid 154 is cooled to preferred temperature.Cooling fluid 154 generally than the expectation heat some because cooling fluid 154 returns from the moulding assembly 200 that the heat with moulding assembly 200 and profiled member 140 is delivered to cooling fluid 154.Therefore, need in cooler bin 404, cool off cooling fluid 154 again.Temperature in the temperature sensor 406 monitoring cooler bins 404.Cooler bin 404 is by being arranged on immersion evaporimeter (submerged evaporator) 408 coolings in the cooler bin 404.Immersion evaporimeter 408 is connected with the cold-producing medium that is arranged on the compressor 410 between high pressure cutout 412 and the low pressure cutout 414 of flowing through.After moving through compressor 410, cold-producing medium cools off in condenser 416.Leave after the condenser 416, before the peephole 424 that moves through the color that can check cold-producing medium, denseness, impurity etc., cold-producing medium is through gatherer 418 and check-valves 420, and Filter dryer 422.Cold-producing medium is by expansion valve 426 then, and here, cold-producing medium can cool off before entering cooler bin 404 fast.Because cold-producing medium is by cooler bin 404, the content of refrigerant cools cooler bin 404 and cooler bin 404 makes that the cooling fluid 154 in the cooler bin 404 is cooled to preferred temperature.The temperature of cooling fluid 154 is by temperature sensor 406 monitorings.From cooler bin 404, extract and push to cooling fluid 154 out moulding assembly 200 with pump then, more specifically, push the conformal pipeline 22 in the moulding assembly 200 to.

Although Figure 26 and Figure 27 are the exemplary embodiments of the heating and cooling system that can use with mould, but can be contemplated that, other heating and cooling system also can use with mould, particularly, as previously mentioned, other heating and cooling system can use with shaping jig, embedding mould and bed die.

Referring now to Figure 28, the expression another embodiment of the present invention, wherein sand mo(u)ld bag (sand mold package) 530 comprises patrix or top swage (cope mold) 532, counterdie or anvil swage (drag mold) 534 and core 522.Sand mo(u)ld bag 530 all is made up of mould and core assembly, and mould and core assembly are printed by sand seal device, remove from work box subsequently.Shown sand mo(u)ld tool bag 530 is used for casting melted material in above-mentioned similar mode and prepares.

Referring now to Figure 29 and Figure 30, be depicted as core 522 and embed in the die cavity 539 on the end face that is arranged on anvil swage 534, wherein, die cavity 539 forms unites the moulding die cavity that limits by the top swage 532 with die cavity 537 and anvil swage 534.As shown in figure 30, sand mo(u)ld bag 532 is assembled fully by the top swage 532 that piles up each other and anvil swage 534.As shown in figure 28, mold cavity is united generation by the die cavity 537,539 that all is arranged on respectively in top swage 532 and the anvil swage 534.Shown in Figure 28-30, shown in hole 536 and 538 be arranged on the upper surface of top swage 532.Hole 536 expressions are for the access point of melted material being poured in the sand mo(u)ld bag of assembling as Figure 30 530.As shown in figure 28, access point 536 also is connected with a series of runners (runner), allows melted material to pass through access point 536 from top swage 532 process anvil swages 534.Like this, runner 541 is filled the mold cavity of being united generation respectively by the die cavity 539,537 of top swage 532 and anvil swage 534 from bottom to top.Because melted material is filled mold cavity, unnecessary melted material begins to be filled with the rising head (riser) 538 on the end face of top swage 532.When the mold cavity that rising head 538 helps casting operation persons to understand sand mo(u)ld tool bag 530 fills up, and melted material can be used for filling any zone of mold cavity when allowing melted material to sink.

As soon as melted material solidifies in sand mo(u)ld tool bag 530, just smash sand mo(u)ld tool bag 530, as shown in figure 31, thereby represent cast member 540.Shown in figure 32, cast member shown in 540 has for the founding materials at access point 536, flow passage system 541 and the rising head 538 of shaping jig 542 sclerosis and the sand mo(u)ld tool bag 530 that solidifies shown in the blank map 28-30.Thereby these cast structures that are shown 536A, 538A and 541A from shaping jig 542 with the machine cutting or otherwise remove from shaping jig 542 and represent the instrument of preparing to be used for moulding process.

Mold cores bag and included assembly here, and method by the mold cores instrument of packing into disclosed herein provides the ability of the All Ranges of improved even cooling forming instrument, reduced the possibility of warpage, fracture etc. thus.In addition, relevant with the mold tool of being made by the typography degree of accuracy provides better part quality, accuracy and design flexibility.Conformal pipeline allows hot property to improve.Remove many pipelines for heating and cooling and be conducive to be set to the conformal pipeline of heating and cooling with the integration of the thermic load coupling that improves instrument quality and instrument and the needed expectation of part quality.In addition, mold cores pack assembly and be can be designed as by the instrument that the mold cores pack assembly is made improves circulation timei, strengthens the part manufacturing capacity thus.Can do not need finished parts additionally tinted or the situation of glazing under form the A level curved surface (Class A surface) that level and smooth gloss finished product (being that piano is black) is provided, in addition, can form the A level curved surface with etching pattern by etching pattern on the die surface of shaping jig, obtain having the finished parts of the pattern of embossment on finished parts thus.

The person of ordinary skill in the field should be understood that described structure of the present invention and other assembly are not limited to any concrete material.Other exemplary embodiment of the present invention disclosed herein can be made by any kind of material, unless explanation is arranged here in addition.

In order to illustrate, term " connection " (various forms of connection) refers to two (electricity or machinery) assemblies direct or indirect joint each other generally.Such joint can be that fix in fact or mobile in fact.Such joint can by two (electricity or machinery) assemblies with each other or two assemblies one-body molded be that any additional intermediate module of an independent integral body is realized.As do not have an opposite explanation, such joint can be permanent in fact maybe can be removable in fact or detachable.

It is also important that, note that the configured and disposed of the element of the present invention shown in the exemplary embodiment only is exemplary.Although seldom some embodiment of the present invention have been described in detail in specification, read of the present invention those of ordinary skill in the art will readily appreciate that, multiple variation also is possible (for example size of various elements, size, structure, shape and ratio, parameter value, mounting arrangements, the application of material, color, orientation etc.) and do not break away from novel teachings of the present invention and advantage in fact.For example, the integrated element that illustrates can by a plurality of be shown can integrated a plurality of parts parts or element constitute, other variations can be turned or do to the operation at interface around, the length of the structure of system and/or parts or connector or other element or width can change, and the type of the adjusting position that provides between the element or number can change.It should be noted that the element of system and/or assembly can be by providing sufficient intensity or durability, have any formation in arbitrary polytype material of multicolour, texture or its combination.Therefore, all these variations are included in protection scope of the present invention.Can carry out substituting, revise, changing and omitting of other and not break away from spirit of the present invention design, operating condition and the setting of the above embodiments and other exemplary embodiment.

What it will be appreciated that is that the step in any described process or the described process can make up to form the structure of protection scope of the present invention with other disclosed process or step.Exemplary structure disclosed herein and process only are used for explanation and are not construed as limiting the invention.

What it is also to be understood that is; the change that aforesaid structure and method are made and revise and do not break away from protection scope of the present invention; what it will be appreciated that further is that these concepts are covered by in the claim, unless the character express of these claims has opposite expression.

Claims

1. the moulding assembly for the manufacture of profiled member is characterized in that, comprises:

Shaping jig with conformal fluid circuit, wherein conformal fluid circuit is followed the profile of the molded surface of shaping jig, and the sacrifice replacement pipeline that is formed by the three dimensional printing machine limits conformal fluid circuit in shaping jig in casting process;

Connect shaping jig and have the temperature control station of heating and cooling fluid; And

Be used for regulating the valve station of the fluid that flows to shaping jig.

2. moulding assembly according to claim 1 is characterized in that, the fluid that is used for heating is identical with the fluid that is used for cooling.

3. moulding assembly according to claim 1 is characterized in that, conformal fluid circuit comprises having the wall that influences the mobile fin of fluid.

4. moulding assembly according to claim 1 is characterized in that, shaping jig comprises that cross-sectional area is different from the conformal liquid reservoir of the cross-sectional area of conformal fluid circuit, and described conformal liquid reservoir is closely followed the profile of die surface.

5. moulding assembly according to claim 1 is characterized in that, the temperature control station comprises having the refrigeration assembly that immerses the evaporimeter in the fluid collecting box that holds cooling fluid.

6. moulding assembly according to claim 1 is characterized in that, the temperature control station comprises and heating assembly and the closed fluid circuit that cooling unit all is connected, wherein heats assembly and the cooling unit convection cell carries out thermal conditioning.

7. a moulding assembly of making profiled member is characterized in that, comprises:

Shaping jig with conformal fluid circuit and conformal liquid reservoir, wherein conformal liquid reservoir is close to the molded surface of shaping jig, and the sacrifice core part that is formed by three-dimensional seal sand device limits conformal fluid circuit and conformal liquid reservoir in shaping jig in casting process; And

The closed fluid circuit that connects shaping jig and temperature control station.

8. moulding assembly according to claim 7 is characterized in that, conformal fluid circuit comprises having influence by the wall of the projection that flows of the fluid of conformal fluid circuit.

9. moulding assembly according to claim 7 is characterized in that, further comprises:

Be arranged on the mobile parts that influence in the conformal liquid reservoir.

10. moulding assembly according to claim 7 is characterized in that, the temperature control station comprises the heating assembly with the heating element heater that connects with heat exchanger.

11. moulding assembly according to claim 7 is characterized in that, the temperature control station comprises having the refrigeration assembly that immerses the evaporimeter in the fluid collecting box that holds cooling fluid.

12. moulding assembly according to claim 7 is characterized in that, the temperature control station comprises and heating assembly and the closed fluid circuit that cooling unit all is connected, wherein heats assembly and cooling unit the heat affecting fluid is carried out thermal conditioning.

13. moulding assembly according to claim 11 is characterized in that, conformal fluid circuit undulate makes that the interval between the molded surface of conformal fluid circuit and shaping jig changes.

14. the method for the manufacture of profiled member is characterized in that, comprises:

Manufacturing has sacrifices the sacrifice mould core package of replacing pipeline, wherein sacrifices and replaces pipeline by apply the binding agent generation in the multilayer fine particles;

Form the shaping jig with conformal pipeline by sacrificing the mould core package and sacrificing the replacement pipeline;

Connect the conformal pipeline in fluid temperature (F.T.) control station and the shaping jig;

Heat the moulding material in the mold cavity that is injected into shaping jig; And

Moulding material in the cooling die die cavity.

15. method according to claim 14 is characterized in that, further comprises:

Form the conformal pipeline of the profile of the molded surface of following shaping jig in fact equably.

16. method according to claim 14 is characterized in that, further comprises:

Use fine sand as fine particles.

17. method according to claim 14 is characterized in that, further comprises:

In shaping jig, form moulding material is introduced injection port in the mold cavity.

18. method according to claim 14 is characterized in that, the step of heating moulding material further comprises:

By making single fluid flow through the conformal pipeline of shaping jig and the Fast Heating shaping jig, wherein single fluid is under the heating condition.

19. method according to claim 14 is characterized in that, the step of cooling moulding material further comprises:

By making single fluid flow through the conformal pipeline of shaping jig and the fast cooling shaping instrument, wherein single fluid is under the cooling condition.

20. method according to claim 14 is characterized in that, the step that forms the shaping jig with conformal pipeline further comprises:

Thereby incinerating binding agent removes binding agent from sacrificing mold cores and sacrificing to replace the pipeline.