CN101913285A - The extrusion apparatus and the method that are used for laminating flexible material - Google Patents
The extrusion apparatus and the method that are used for laminating flexible material Download PDFInfo
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- CN101913285A CN101913285A CN2010102407777A CN201010240777A CN101913285A CN 101913285 A CN101913285 A CN 101913285A CN 2010102407777 A CN2010102407777 A CN 2010102407777A CN 201010240777 A CN201010240777 A CN 201010240777A CN 101913285 A CN101913285 A CN 101913285A
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Abstract
The invention discloses a kind of extrusion apparatus that is used for laminating flexible material, comprising: have the finishing die of thermal conductivity, it has the recess of the 3D shape of the product that is used to hold flexible material layer and determines to form; Have elasticity and stable on heating pressure piece, it is configured to: can cover the hermetic seal chamber that surrounds material layer on the finishing die with formation; Vacuum press, it is coupled to the hermetic seal chamber, is used for making the coverage rate trend of pressure piece meet the warpage of recess with the squeeze wood bed of material by the vacuum draw effect; Heater, it is thermally coupled to finishing die, is used to heat finishing die; Cooling device, it is thermally coupled to finishing die, is used for the cooling forming mould; Control system is used to control the running of vacuum press, heater and cooling device.By the vacuum draw effect, make warpage that the coverage rate trend of pressure piece meets recess with the squeeze wood bed of material, heating simultaneously, it is the 3D shape of negative that material layer is formed with the finishing die.
Description
Technical field
The present invention relates to material forming, be specifically related to a kind of extrusion apparatus that is used for flexible composite laminations (laminating) such as fabric, leather are become semirigid 3D shape.
Background technology
When being shaped, the layer (laminate) that comprises flexible material adds man-hour, desirable lamination should only be made of stock, and not with extra reinforcement and skeleton, these reinforcements and skeleton are commonly used in the existing manufacturing process, to keep its desirable shape in the thickness that reduces layer.With the footwear of being made by leather and fabric that are shaped is example, in shoemaking industry, utilizes very thick hot melt material usually, and the outermost layer of footwear is leather laminated to nexine.These hot melt materials are included in the knitmesh lattice in the polymeric matrix, and these grids provide the basic configuration skeleton.Under this technology, on single pressure axis, layer is pressed together by pneumatic press.There are several defectives in this method: the power that 1) is applied to layer only applies along single axis, for all surface all perpendicular to the pressure axis the layer, this mode is feasible, but, if there is any surface to be parallel to the pressure axis, these surfaces can not be subjected to pressure that it is combined so.2) for keeping the stiffness on entire tool surface, the used compression tools of this method needs very big, thereby this causes compression tools to have very big thermal mass needing considerable time to go heating and cooling.This causes heating and cooling to need independent instrument respectively again, the shaping object needs to push in heating tool, shifts out from heating tool then and transfers to cooling of tool again, even if of short duration during the transfer, the shaping object is constraint not, can make it produce warpage when the inhomogeneous cooling of experience.
The extrusion apparatus that the present invention will describe depends on the principle of similar plywood molding.When the shaping glued board, a plurality of layers (layer) of plate utilize glue layer to force together.In order to control the shape of flat glued board, must use steam or thermoplastic glue layer so that when glued board is applied the power of shaping, allow each layer of plate to slide relative to one another.In case reached desirable glued board shape, glued board must be maintained fixed, each layer is combined in their new positions by the glue layer that cools down.
Summary of the invention
Purpose of the present invention is exactly at the problems of the prior art, and a kind of extrusion apparatus and method that is used for laminating flexible material is provided.
The present invention is by the following technical solutions:
A kind of extrusion apparatus that is used for laminating flexible material comprises:
Finishing die with thermal conductivity, it has the recess of the 3D shape of the product that is used to hold flexible material layer and determines to form;
Have elasticity and stable on heating pressure piece, it is configured to: can cover the hermetic seal chamber that surrounds described material layer on the described finishing die with formation;
Vacuum press, it is coupled to described hermetic seal chamber, is used for making the coverage rate trend of described pressure piece meet the warpage of described recess to push described material layer by the vacuum draw effect;
Heater, it is thermally coupled to described finishing die, is used to heat described finishing die;
Cooling device, it is thermally coupled to described finishing die, is used to cool off described finishing die;
Control system is used to control the running of described vacuum press, described heater and described cooling device.
Preferably, described pressure piece is resistant to elevated temperatures silicone elastomer.
Preferably, described heater comprises induction heating apparatus, and described finishing die to small part comprises inductive material.
Preferably, described finishing die comprises induction/thermal conduction portions and non-induction/thermal conduction portions, and the distribution of described induction/thermal conduction portions and described non-induction/thermal conduction portions depends on the forming requirements of described flexible material and chooses.
Preferably, described finishing die comprises that low induction/thermal conduction portions and high induction/heat conduction should parts, and described low induction/thermal conduction portions and the induction/heat conduction of described height should distribution partly depend on the forming requirements of described flexible material and choose.
Preferably, described heater comprises heating plate, and described heating plate contacts the bottom of described finishing die and conducts heat to described finishing die when heating.
Preferably, described heating plate has the surface configuration that the lower surface with described finishing die is complementary.
Preferably, described cooling device comprises coldplate, and described coldplate contacts the bottom of described finishing die and absorbs heat from described finishing die when cooling.
Preferably, described coldplate has the surface configuration that the lower surface with described finishing die is complementary.
Preferably, described coldplate inside has the fluid delivery pipeline that connects the external circuit, by carrying cold fluid to cool off described coldplate to described fluid delivery pipeline.
Preferably, described control system is the PLC closed-loop control system, described PLC closed-loop control system comprises control module, temperature-detecting device and vacuum pressure measurement mechanism, described temperature-detecting device and described vacuum pressure measurement mechanism detect the temperature of described finishing die and the vacuum pressure that described vacuum press is granted respectively, and feed back to described control module, described control module is exported control signal according to testing result, the running of the described heater of corresponding at least adjustment/described cooling device, described vacuum pressure machine.
A kind of extrusion forming method of laminating flexible material is characterized in that, may further comprise the steps:
A. flexible material layer is packed in the recess of finishing die with thermal conductivity;
B. will have elasticity and stable on heating pressure piece and cover the hermetic seal chamber that surrounds described material layer on the described finishing die with formation;
C. make warpage that the coverage rate trend of described pressure piece meets described recess to push described material layer by the vacuum draw effect, heat described finishing die simultaneously, up to forming desirable material layer 3D shape;
D. under the state that keeps described pressure piece deformation, cool off described finishing die.
Preferably, described pressure piece is resistant to elevated temperatures silicone elastomer.
Preferably, described finishing die to small part comprises inductive material, among the described step c, and the described thermal recovery eddy-current heating that adds.
Preferably, described finishing die comprises induction/thermal conduction portions and non-induction/thermal conduction portions, and the distribution of described induction/thermal conduction portions and described non-induction/thermal conduction portions depends on the forming requirements of described flexible material and chooses.
Preferably, described finishing die comprises that low induction/thermal conduction portions and high induction/heat conduction should parts, and described low induction/thermal conduction portions and the induction/heat conduction of described height should distribution partly depend on the forming requirements of described flexible material and choose.
Preferably, among the described step c, contact the bottom of described finishing die and conduct heat to described finishing die with heating plate.
Preferably, in the described steps d, contact the bottom of described finishing die and absorb heat from described finishing die with coldplate.
Preferably, adopt the PLC closed-loop control among described step c, the d, comprising: detect temperature and its inner vacuum pressure of described finishing die, and feed back to control module, control module is according to the corresponding at least regulation and control heating of testing result, cooling and vacuum pressure.
The invention has the beneficial effects as follows:
According to the present invention, can be at the recess of the finishing die flexible material layer to be formed of packing into thermal conductivity, have elasticity and stable on heating pressure piece and cover the hermetic seal chamber that surrounds described material layer on the described finishing die with formation, by the vacuum draw effect, make the coverage rate trend of described pressure piece meet the warpage of described recess to push described material layer, heat described finishing die simultaneously, so that it is the 3D shape of negative that described material layer is formed with described finishing die, by making described finishing die cooling, finish the shaping of described material layer.Among the present invention, described pressure piece can adopt various elastomeric materials, the most effectively, described pressure piece can be high temperature resistant repeatedly, and can meet with the profile phase of described material layer and described finishing die because of having high resiliency, thereby can act on flat stratiform flexible material, and described material layer is squeezed into the shape that described finishing die limits by the air pressure that produces by vacuum pressure power.The recess that relies on vacuum draw and provide by described finishing die, described pressure piece accords with the distortion of described finishing die and the pressure that produces is surface to described material layer applies comprehensively, these power are enough to make each layer of described material layer to combine, therefore, described pressure piece only need be less as compression tools, described pressure piece has very little thermal mass, only needs very short time to go heating and cooling.In the process, heating and cooling are all finished in described finishing die, and described material layer does not need to remove from heater transfers to cooling device again, and the shaping object is subjected to the constraint of described finishing die all the time, thereby avoids producing warpage.
Description of drawings
Fig. 1 is used for the preceding left side view of an embodiment of extrusion apparatus of laminating flexible material for the present invention;
Fig. 2 is used for the preceding right side view of an embodiment of extrusion apparatus of laminating flexible material for the present invention;
Fig. 3 is used for the STRUCTURE DECOMPOSITION schematic diagram of an embodiment of extrusion apparatus of laminating flexible material for the present invention;
Fig. 4 is used for the back left side view of an embodiment of extrusion apparatus of laminating flexible material for the present invention;
Fig. 5 is used for the back left side perspective view of an embodiment of extrusion apparatus of laminating flexible material for the present invention;
Fig. 6 is used for the preceding left side perspective view of an embodiment of extrusion apparatus of laminating flexible material for the present invention;
Fig. 7 is used for the structural representation of another embodiment of extrusion apparatus of laminating flexible material for the present invention;
Fig. 8 is used for the structural representation of another embodiment of extrusion apparatus of laminating flexible material for the present invention;
Fig. 9 is the flow chart of an embodiment of extrusion forming method of laminating flexible material of the present invention.
The specific embodiment
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
Please refer to Fig. 1 to Fig. 8, extrusion apparatus of the present invention comprises following major part: and pressure piece 1, finishing die (Mandrel) 3, vacuum press (Thin-Air Vacuum Press, TAVP), heater, cooling device (not shown) and control system (not shown).Finishing die 3 has thermal conductivity, and it has the recess of the 3D shape of the product that is used to hold flexible material layer and determines to form.Pressure piece 1 has elasticity and hear resistance, and it is configured to cover the hermetic seal chamber that surrounds described material layer on the described finishing die 3 with formation.Vacuum press is coupled to described hermetic seal chamber, and it makes the elasticity coverage rate trend of described pressure piece 1 meet the warpage of described recess to push described material layer by the vacuum draw effect.Heater is thermally coupled to described finishing die in the material layer forming process, described finishing die and material layer are heated.Cooling device is thermally coupled to described finishing die 3 after material layer reaches desired shape, by cooling forming mould 3, make the material layer cooling.In whole process, control system is regulated and control the start and stop and the parameter size of described vacuum press, described heater and described cooling device at least.
According to extrusion apparatus of the present invention, the power that is applied on the layer is produced by vacuum press.Depend on the air pressure that is produced by a vavuum pump, vacuum press is applied to pressure on the flexible pressure piece 1, and it is deformed with respect to finishing die 3.
Finishing die 3 is forming tools of decision shape of product.Finishing die comprises the recess of the shape of the formed product with desired acquisition as negative.
Effect of the present invention depends on heating and cooling material layer as quickly as possible, and material layer is gone to be clamped in the process its desirable shape in whole heating-cold.
In some applications, also may need special heating and/or cooling distribute with when heating and/or the coolant layer to material layer destressing (de-stress).Therefore, it is very important to adopt strict heating and cooling to distribute.
Eddy-current heating (induction heating) is to carry out accurately and temperature controlled desirable means efficiently.The eddy-current heating Summoning can obtain about 95% efficient.Can be in conjunction with adopting the PLC closed-loop control, heating-up temperature can suitably be regulated in real time like this.Adopt eddy-current heating can realize finishing die is heated very apace, it is very important for the efficient and the process control of equipment work.
When using eddy-current heating, finishing die can comprise Summoning to obtain high magnetic coupling efficient.Finishing die preferably adopts cast iron, and cast iron has the good magnetic coupling factor to be used for induction, and has good heat conductivity, and this helps the whole surface of finishing die is kept evenly heating.In order to boost productivity, it is also very important to make finishing die have alap thermal mass, and cast iron also has very low thermal mass.
Yet eddy-current heating is not unique selection, and the present invention also can adopt other heater meanses, as resistive heating plate or hot fluid (as oil, ethylene glycol, the aqueous solution, contain sodium liquid etc.) heating plate.In using the embodiment of heating plate, preferably, heating plate has a top surface that is complementary with the bottom shape of finishing die recess.Heating plate can be heated by resistive element, or by the hot fluid heating in the circulation of heating plate internal pipeline.
Cooling device also can be realized in different ways.A kind of fundamental sum is effectively used water cooling pond, the finishing die of heat is immersed in the water cooling pond cool off.Because water can absorb heat soon from object, therefore help to finish fast product processing.But Summoning is immersed in the water cooling many shortcomings are arranged, comprise oxidation, need after cooling, have water near drying, the high voltage source (induction).Another realizes that the method for cooling is at the surface of finishing die circulation cold air, for example adopts fan.This is the cooling means of the simplest and easy execution, but because air thermal capacity is very little, cooling needs for a long time.Preferred cooling means is to adopt coldplate.Coldplate is preferably metallic plate, has the top surface with finishing die lower surface coupling.The cooling of cold fluids such as coldplate available water or ethylene glycol, and the cooled machine cooling of water or ethylene glycol solution.
Can adopt the PLC closed-loop control system that operation of entire equipment is adopted closed-loop control.The PLC closed-loop control system reads the input data from thermocouple (T/C), vacuum meter, air pressure linear actuators etc., the enabling and stopping using of the Temperature Distribution of control shaping object, vacuum press, heating and cooling device.
Please refer to Fig. 1 to Fig. 6, in one embodiment, described finishing die 3 is installed on the table top of a workbench.Workbench is preferably square table shape, and preferably adopts aluminium sash, comprises four supporting legs 5, many brace summers 12 and by four supporting leg substrate supported 2.Described finishing die 3 is less relatively rectangle, is inlaid in the described substrate 2, is provided with sealing ring 8 between finishing die 3 and the substrate 2.One end of described pressure piece 1 is connected an end of described workbench pivotly, thereby can turn to the recess that covers described finishing die.Can realize this kind connection by suspension joint hinge (floating hinge) frame 4.Preferably, described finishing die 3 and described substrate 2 are designed to combine, and when finishing die 3 needs to change, change together with described substrate 2.
Please refer to Fig. 1 to Fig. 5, substrate 2 is provided with the port 7 that is used to be communicated with vacuum press (not shown), the pressure piece 1 that covers finishing die 3 covers on the substrate 2, form the hermetic seal chamber between pressure piece 1 and the substrate 2, port 7 feeds this hermetic seal chamber, vacuum press applies swabbing action in the hermetic seal chamber by port assembly 14 (comprising port 7, associated conduit and valve), and pressure piece 1 is out of shape and exerts pressure because of the inner and outer air pressure difference.
Please refer to Fig. 3 to Fig. 6, in one embodiment, described heater comprises induction heating apparatus, and described finishing die to small part comprises inductive material.Described induction heating apparatus comprises induction coil 9 and to the working head 10 of described induction coil 9 energy supplies, they are preferably mounted in the described workbench.Described working head 10 comprises the influence generator that is connected to described induction coil 9, and described influence generator is connected with described control system.Induction coil 9 is installed thereunder near described finishing dies 3, and described workbench is provided with an installing plate 11 that is parallel to substrate below substrate, and described working head 10 is installed on this installing plate 11.Preferably, the sidepiece of workbench also is equipped with translucent PC plate of material 6.
In the preferred embodiment that adopts induction heating apparatus, described finishing die can comprise induction/thermal conduction portions and non-induction/thermal conduction portions, and the distribution of described induction/thermal conduction portions and described non-induction/thermal conduction portions depends on the forming requirements of described flexible material and chooses.Described induction/thermal conduction portions can be cast iron, and described non-induction/thermal conduction portions can be novolac polymer.
The processing request of material zones of different may be different, and the zone that has may not need heating.Obtain a kind of finishing die by above design, it adopts non magnetic and non-Heat Conduction Material in the part that does not need area heated corresponding to material, adopting non magnetic and non-Heat Conduction Material corresponding to the part of material require area heated, thereby realizing that selectivity cures/be shaped.
In the preferred embodiment that adopts induction heating apparatus, described finishing die can comprise that low induction/thermal conduction portions and high induction/heat conduction should parts, and described low induction/thermal conduction portions and the induction/heat conduction of described height should distribution partly depend on the forming requirements of described flexible material and choose.Described low induction/thermal conduction portions can be aluminium, and described high induction/heat conduction should part can be magnetic steel.
The part magnetic coupling efficient height that contains magnetic steel, heating is fast, and it is low to contain the part magnetic coupling efficient of aluminium, heating is slow.Need the high temperature Fast Heating for the zone that has, and the zone that has does not need the material of high temperature Fast Heating, this finishing die can satisfy its forming requirements well.
Please refer to Fig. 7, in another embodiment, described induction heating apparatus is installed in respectively on the different workbench with described finishing die, and in the described different workbench at least one can be driven and near or away from another workbench, so that described induction heating apparatus and described finishing die thermal coupling or stop thermal coupling.For example, induction heating apparatus is fixed on the inactive workbench, and finishing die 3 and pressure piece 1 are installed on the substrate of another workbench, and described another workbench has wheel, can be movable.When needing heating, can make another workbench, make induction heating apparatus can cooperate the shaping die worker to do, after heating finishes, can easily another workbench be withdrawn to last movable workbench.
In the embodiment (not shown) that adopts another kind of heater, described heater comprises heating plate, described heating plate has the top surface shape that the respective base surface with described finishing die is complementary, described heating plate inside has the fluid delivery pipeline that connects the external circuit, described heating plate contacts the bottom of described finishing die when heating, by carrying hot fluid to heat described heating plate to described fluid delivery pipeline.In another embodiment, heating plate can heat by the thermal resistance of inside.
Please refer to Fig. 3, Fig. 5 and Fig. 6, in one embodiment, described cooling device comprises fan 13, and described fan 13 is installed in the below of described induction coil near described induction coil.
In the embodiment (not shown) that adopts another kind of cooling device, described cooling device comprises coldplate, described coldplate has the top surface shape that the respective base surface with described finishing die is complementary, described coldplate inside has the fluid delivery pipeline that connects the external circuit, described coldplate contacts the bottom of described finishing die when cooling, by carrying cold fluid to cool off described coldplate to described fluid delivery pipeline.
Please refer to Fig. 8, in yet another preferred embodiment, a plurality of described shaping moulds 3 are installed on the tumbler 15, described pressure piece 1 separates with described tumbler with heater (not shown), described tumbler 15 can drive the operation position that a plurality of described shaping moulds go to described pressure piece in turn, with finish on the corresponding finishing die to the shaping of picture processing, finish finishing die after the processing and be with from pressure piece and unloading and be shaped picture.Like this, working (machining) efficiency can improve greatly on the one hand, on the other hand, can customize a plurality of different finishing dies and be installed on the same tumbler, to realize the processing to picture to there being different 3D shapes to require in a fabrication cycles.
In further preferred embodiment, control system is the PLC closed-loop control system, described PLC closed-loop control system comprises control module, temperature-detecting device and vacuum pressure measurement mechanism (not shown), described temperature-detecting device and described vacuum pressure measurement mechanism can be hot coupling and vacuum meter, detect the temperature of described finishing die and the vacuum pressure that described vacuum press is granted with them, and feed back to described control module, described control module is exported control signal according to testing result, the described heater of corresponding at least adjustment/described cooling device, the running of described vacuum pressure machine.Preferably, described control signal sends with radio frequency.
Please refer to Fig. 9, on the other hand, the present invention also provides a kind of extrusion forming method of laminating flexible material, and in one embodiment, this method may further comprise the steps:
A. flexible material layer is packed in the recess of finishing die with thermal conductivity;
B. will have elasticity and stable on heating pressure piece and cover the hermetic seal chamber that surrounds described material layer on the described finishing die with formation;
C. make warpage that the coverage rate trend of described pressure piece meets described recess to push described material layer by the vacuum draw effect, heat described finishing die simultaneously, up to forming desirable material layer 3D shape;
D. under the state that keeps described pressure piece deformation, cool off described finishing die.
Extrusion forming method of the present invention embodiment more specifically can be with reference to the content that is disclosed among the aforementioned device embodiment.
Extrusion apparatus of the present invention and method can be applied to the shaping of following flexible material layer, comprising:
Non-synthetic textiles, warp thread knit goods, weft-knitting fabric, textile, wool felt, natural leather, synthetic leather, glass fiber compound material (bonding sheet), carbon fibre composite (bonding sheet), natural-fiber composite material, thermoplastic polymer films, the thermosetting polymer etc. of spinning.
Forming technology the most basic employed flexible material layer requires to have three basic layers usually: exterior layer, intermediate layer and interior layer.These layers are by the adhesive combination.Spendable adhesive comprises: dry film adhesive such as polyurethane (PU) nylon, polyethylene (PE), wet binder etc.
The present invention can be used for the manufacturing of following aspect:
Shoemaking, manufacturing process (fabrication), assembling;
Fashion articles for use (for example handbag, wallet etc.);
Luggage case and annex thereof (for example suitcase, briefcase etc.);
Consumption electronic product (for example MP3 player shell, notebook computer cover, cover for mobile phone etc.).
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (33)
1. an extrusion apparatus that is used for laminating flexible material is characterized in that, comprising:
Finishing die with thermal conductivity, it comprises the recess of the 3D shape of the product that is used to hold flexible material layer and determines to form;
Have elasticity and stable on heating pressure piece, it is configured to: can cover the hermetic seal chamber that surrounds described material layer on the described finishing die with formation;
Vacuum press, it is coupled to described hermetic seal chamber, is used for making the coverage rate trend of described pressure piece meet the warpage of described recess to push described material layer by the vacuum draw effect;
Heater, it is thermally coupled to described finishing die, is used to heat described finishing die;
Cooling device, it is thermally coupled to described finishing die, is used to cool off described finishing die;
Control system is used to control the running of described vacuum press, described heater and described cooling device.
2. the extrusion apparatus that is used for laminating flexible material according to claim 1 is characterized in that, described finishing die is installed on the workbench, and an end of described pressure piece is connected on the described workbench pivotly and can turn to and covers described recess.
3. the extrusion apparatus that is used for laminating flexible material according to claim 1, it is characterized in that, a plurality of described shaping moulds are installed on the tumbler, described pressure piece separates with described tumbler, and described tumbler can drive in a plurality of described shaping moulds each operation position to described pressure piece.
4. according to each described extrusion apparatus that is used for laminating flexible material in the claim 1 to 3, it is characterized in that described pressure piece is resistant to elevated temperatures silicone elastomer.
5. according to each described extrusion apparatus that is used for laminating flexible material in the claim 1 to 3, it is characterized in that described heater comprises induction heating apparatus, described finishing die to small part comprises inductive material.
6. the extrusion apparatus that is used for laminating flexible material according to claim 5 is characterized in that described induction heating apparatus is installed in the below of described finishing die.
7. the extrusion apparatus that is used for laminating flexible material according to claim 5, it is characterized in that, described induction heating apparatus is installed in respectively on the different workbench with described finishing die, and in the described different workbench at least one can be driven and near or away from another workbench, so that described induction heating apparatus and described finishing die thermal coupling or stop thermal coupling.
8. the extrusion apparatus that is used for laminating flexible material according to claim 5 is characterized in that, described induction heating apparatus comprises induction coil and to the working head of described induction coil energy supply.
9. the extrusion apparatus that is used for laminating flexible material according to claim 5 is characterized in that described working head comprises the influence generator that is connected to described induction coil, and described influence generator is connected with described control system.
10. the extrusion apparatus that is used for laminating flexible material according to claim 5 is characterized in that, described inductive material is a Summoning.
11. the extrusion apparatus that is used for laminating flexible material according to claim 5, it is characterized in that, described finishing die comprises induction/thermal conduction portions and non-induction/thermal conduction portions, and the distribution of described induction/thermal conduction portions and described non-induction/thermal conduction portions depends on the forming requirements of described flexible material and chooses.
12. the extrusion apparatus that is used for laminating flexible material according to claim 11 is characterized in that, described induction/thermal conduction portions is a cast iron, and/or described non-induction/thermal conduction portions is a novolac polymer.
13. the extrusion apparatus that is used for laminating flexible material according to claim 5, it is characterized in that, described finishing die comprises that low induction/thermal conduction portions and high induction/heat conduction should parts, and described low induction/thermal conduction portions and the induction/heat conduction of described height should distribution partly depend on the forming requirements of described flexible material and choose.
14. the extrusion apparatus that is used for laminating flexible material according to claim 13 is characterized in that, described low induction/thermal conduction portions is an aluminium, and/or described high induction/heat conduction should partly be magnetic steel.
15. according to each described extrusion apparatus that is used for laminating flexible material in the claim 1 to 3, it is characterized in that, described heater comprises heating plate, and described heating plate contacts the bottom of described finishing die and conducts heat to described finishing die when heating.
16. the extrusion apparatus that is used for laminating flexible material according to claim 15 is characterized in that, described heating plate has the surface configuration that the lower surface with described finishing die is complementary.
17. the extrusion apparatus that is used for laminating flexible material according to claim 15 is characterized in that, described heating plate inside has the thermal resistance that connects external power source, heats described heating plate by described thermal resistance is switched on.
18. the extrusion apparatus that is used for laminating flexible material according to claim 15, it is characterized in that, described heating plate inside has the fluid delivery pipeline that connects the external circuit, by carrying the fluid of heat to heat described heating plate to described fluid delivery pipeline.
19. the extrusion apparatus that is used for laminating flexible material according to claim 18 is characterized in that, described hot fluid is water, oil, ethylene glycol or contains sodium solution.
20. according to each described extrusion apparatus that is used for laminating flexible material in the claim 1 to 3, it is characterized in that described cooling device comprises fan, described fan is installed in the below of described finishing die.
21. according to each described extrusion apparatus that is used for laminating flexible material in the claim 1 to 3, it is characterized in that, described cooling device comprises coldplate, and described coldplate contacts the bottom of described finishing die and absorbs heat from described finishing die when cooling.
22. the extrusion apparatus that is used for laminating flexible material according to claim 21 is characterized in that, described coldplate has the surface configuration that the lower surface with described finishing die is complementary.
23. the extrusion apparatus that is used for laminating flexible material according to claim 22, it is characterized in that, described coldplate inside has the fluid delivery pipeline that connects the external circuit, by carrying cold fluid to cool off described coldplate to described fluid delivery pipeline.
24. according to each described extrusion apparatus that is used for laminating flexible material in the claim 1 to 3, it is characterized in that, described control system is the PLC closed-loop control system, described PLC closed-loop control system comprises control module, temperature-detecting device and vacuum pressure measurement mechanism, described temperature-detecting device and described vacuum pressure measurement mechanism detect the temperature of described finishing die and the vacuum pressure that described vacuum press is granted respectively, and feed back to described control module, described control module is exported control signal according to testing result, the described heater of corresponding at least adjustment/described cooling device, the running of described vacuum pressure machine.
25. the extrusion apparatus that is used for laminating flexible material according to claim 24 is characterized in that described control signal sends with radio frequency.
26. the extrusion forming method of a laminating flexible material is characterized in that, may further comprise the steps:
A. flexible material layer is packed in the recess of finishing die with thermal conductivity;
B. will have elasticity and stable on heating pressure piece and cover the hermetic seal chamber that surrounds described material layer on the described finishing die with formation;
C. make warpage that the coverage rate trend of described pressure piece meets described recess to push described material layer by the vacuum draw effect, heat described finishing die simultaneously, up to forming desirable material layer 3D shape;
D. under the state that keeps described pressure piece deformation, cool off described finishing die.
27. the extrusion apparatus that is used for laminating flexible material according to claim 26 is characterized in that, described pressure piece is resistant to elevated temperatures silicone elastomer.
28. the extrusion forming method of laminating flexible material according to claim 26 is characterized in that, described finishing die to small part comprises inductive material, among the described step c, and the described thermal recovery eddy-current heating that adds.
29. the extrusion forming method of laminating flexible material according to claim 28, it is characterized in that, described finishing die comprises induction/thermal conduction portions and non-induction/thermal conduction portions, and the distribution of described induction/thermal conduction portions and described non-induction/thermal conduction portions depends on the forming requirements of described flexible material and chooses.
30. the extrusion forming method of laminating flexible material according to claim 28, it is characterized in that, described finishing die comprises that low induction/thermal conduction portions and high induction/heat conduction should parts, and described low induction/thermal conduction portions and the induction/heat conduction of described height should distribution partly depend on the forming requirements of described flexible material and choose.
31. the extrusion forming method of laminating flexible material according to claim 26 is characterized in that, among the described step c, contacts the bottom of described finishing die and conducts heat to described finishing die with heating plate.
32. the extrusion forming method of laminating flexible material according to claim 26 is characterized in that, in the described steps d, contacts the bottom of described finishing die and absorbs heat from described finishing die with coldplate.
33. extrusion forming method according to each described laminating flexible material in the claim 26 to 32, it is characterized in that, adopt the PLC closed-loop control among described step c, the d, comprise: temperature and its inner vacuum pressure of detecting described finishing die, and feeding back to control module, control module is according to the corresponding at least regulation and control heating of testing result, cooling and vacuum pressure.
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| CN2010102407777A CN101913285A (en) | 2010-07-30 | 2010-07-30 | The extrusion apparatus and the method that are used for laminating flexible material |
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| CN2010102407777A CN101913285A (en) | 2010-07-30 | 2010-07-30 | The extrusion apparatus and the method that are used for laminating flexible material |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102407777A Pending CN101913285A (en) | 2010-07-30 | 2010-07-30 | The extrusion apparatus and the method that are used for laminating flexible material |
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| CN105960331A (en) * | 2014-02-10 | 2016-09-21 | 通用电气航空系统有限公司 | Method of making an airdam |
| CN107792424A (en) * | 2017-08-31 | 2018-03-13 | 芜湖美威包装品有限公司 | Pack cystosepiment surface coating device |
| CN107984868A (en) * | 2017-12-26 | 2018-05-04 | 珠海格力电器股份有限公司 | A kind of pressure apparatus and compression method |
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| CN105960331A (en) * | 2014-02-10 | 2016-09-21 | 通用电气航空系统有限公司 | Method of making an airdam |
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| CN107792424A (en) * | 2017-08-31 | 2018-03-13 | 芜湖美威包装品有限公司 | Pack cystosepiment surface coating device |
| CN107984868A (en) * | 2017-12-26 | 2018-05-04 | 珠海格力电器股份有限公司 | A kind of pressure apparatus and compression method |
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Application publication date: 20101215 |