CN108544740A - A kind of cold formed equipment module of electric heating molding - Google Patents

A kind of cold formed equipment module of electric heating molding Download PDF

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Publication number
CN108544740A
CN108544740A CN201810295955.2A CN201810295955A CN108544740A CN 108544740 A CN108544740 A CN 108544740A CN 201810295955 A CN201810295955 A CN 201810295955A CN 108544740 A CN108544740 A CN 108544740A
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China
Prior art keywords
mold
group
mould
heat
outer mold
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CN201810295955.2A
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Chinese (zh)
Inventor
张艳琛
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Individual
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Individual
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Publication of CN108544740A publication Critical patent/CN108544740A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26Component parts, details or accessories; Auxiliary operations
    • B29C51/30Moulds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26Component parts, details or accessories; Auxiliary operations
    • B29C51/42Heating or cooling
    • B29C51/428Heating or cooling of moulds or mould parts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of electric heating to be molded cold formed equipment module,The packaging mould appearance mold for thering are upper and lower two closing faces to carry out operable profile identical as general mould structure,And the cold fixed packaging mold of the quick electric energy hot briquetting of the present invention be point about two assembling mold components form,The component of upper/lower die is in addition in the working chamber of closing face moulding material,Separately there is each two layers hollow working cavity for fluid conduction Cooling and Heat Source up and down in component internal structure,Outer membrane module is made of heat-insulating material up and down,Middle internal model is that the high metal material of thermal conductivity is made (China and foreign countries' die assembly is all fixing piece),The cavity of external mold and middle mould composition after die assembly is electrical heating working chamber,And the displaceable member of interior mold is production moulding mould,Moulding mould can Simple replacing at any time component,In middle mold and the finned hinge of the heat absorption of the interior mold fixing piece back side and heat conduction cooling,Become the channel for reinforcing heat-absorbent surface and conduction heat when heated,Have when cooling and accelerates the cooling function of heat absorption.

Description

A kind of cold formed equipment module of electric heating molding
Technical field
The present invention relates to the packaging molds that a kind of direct electricity consumption energy heats of environmental protection and energy saving are molded water-cooled shaping equipment.
Background technology
The cold formed equipment of existing thermoforming and matching die on the market uses high-temperature vapour heating because needing, and uses water at low temperature Cooling (because cooling water pipeline fluid is identical), and thermal energy be all that and the thermal energy of boiler combustion energy generation will be used, Through the energy that burns (coal, biomass energy, oil, natural gas can all generate air pollution), high-temperature vapour is heated as again through defeated to water Gas capstan, is transmitted to equipment and uses, and not only energy loss is big in transmission process in this way, but also burns in the energy and generate heat It is also big to the air pollution in its border during energy, it is molded cold formed equipment module through the invention electric heating, alternative original needs to generate The cold formed equipment die of the serious thermoforming of thermal energy pollution, and a large amount of boiler and delivery of energy pipeline construction cost can be save, it carries For the environment of a free of contamination production.
Invention content
The present invention provides electric heating and is molded cold formed equipment module, to solve the above problems.
In order to solve the above technical problem, the present invention provides the following technical solutions:
As the preferred technical solution of the present invention, it is divided into upper/lower die group, upper mold component is outside upper mold group electrical heating Mold base upper mold group outer mold heat dissipation air inlet, upper mold group outer mold heat radiation air outlet, upper mold group outer mold electricity add Hot device, upper mold group outer mold electrical heating die cavity, mould in upper mold group heat conduction cooling, in upper mold group mould cooling source into hole, on Mould cooling source portals in set of molds, and upper mold cooling source conducts chamber, water proof gasket, upper internal model conductor chamber pedestal, upper internal model heat conduction Cooling hinge, upper internal shaping mold, short screw, long screw connect externally exhaust grain, and lower die assembly is that lower set of molds electricity adds Hot outer mold pedestal, lower set of molds outer mold heat dissipation air inlet, lower set of molds outer mold heat radiation air outlet, lower set of molds outer mold Electric heater, lower set of molds outer mold electrical heating die cavity, mould in lower set of molds heat conduction cooling, mould cooling water inlet in lower set of molds Hole, mould cooling water outlet hole in lower set of molds, lower mold cooling source conduct chamber, and core insert heat conduction cools down hinge, core insert conductor chamber Pedestal, lower internal shaping mold, lower internal shaping mold connect externally exhaust grain, and upper/lower die component is formed after being closed, upper lower group mould Tool is closed material forming cavity
As the preferred technical solution of the present invention, upper mold component has for upper mold group electrical heating outer mold base and upper die Mould in heat conduction cooling is organized, internal shaping mold passes through on upper internal model conductor chamber pedestal, and short screw, long screw assembles, is completed There is upper mold group outer mold to radiate air inlet respectively four sides, upper mold group outer mold heat radiation air outlet, outside upper mold group Mold electric heater, into hole, mould cooling source portals mould cooling source in upper mold group, and upper mold group is formed in intracavitary in upper mold group Outer mold electrical heating die cavity, upper mold cooling source conduct chamber, have upper internal model heat conduction cooling hinge, industry to have molding inside cavity respectively When connection be externally vented grain, lower die assembly is, in lower set of molds electrical heating outer mold pedestal and lower set of molds heat conduction cooling Mould, core insert conductor chamber pedestal, lower internal shaping mold, lower internal shaping mold, through water proof gasket, short screw, long screw assembling and At, be completed has lower set of molds outer mold to radiate air inlet respectively four sides, lower set of molds outer mold heat radiation air outlet, Lower set of molds outer mold electric heater, mould cools down inlet opening in lower set of molds, mould cooling water outlet hole in lower set of molds, in intracavitary shape At lower set of molds outer mold electrical heating die cavity, lower mold cooling source conducts chamber, has core insert heat conduction to cool down hinge in cavity respectively, And thering is connection when molding to be externally vented grain, upper/lower die component is formed after being closed, and upper the following group mold is closed material forming cavity, inner Through interior mold moulding arranging gas aperture and connection, externally exhaust is poor in face, communicating exhaust gas.
As the preferred technical solution of the present invention, the fixing piece outer mold of upper the following group mold interior mold in assembles, The electrical heating die cavity cooling source conduction chamber and upper the following group mold for forming difference are closed material forming cavity.
As the preferred technical solution of the present invention, the heat dissipation hinge in the cooling source conduction chamber that fixing piece assembles is removed Other than heat dissipation, when assembling and fit closely and play when reinforcing mould structure support force effect and playing heating die cavity heating to The conductor effect of internal model heat transfer.
As the preferred technical solution of the present invention, in upper/lower die group electric heating chamber, it is provided with the installation heating of electric heater hole Device, and heating is bonded in upper/lower die group outer mold heating chamber.
As the preferred technical solution of the present invention, the outer mold of upper/lower die group is made of the resistance to heat-insulating material of high temperature, is reduced The heat absorption scale of construction also protects thermal energy not to be lost in, and fixation kit can directly be locked on forming bench through long screw.
It is heated mould intracavitary pair of the electrothermal tube in upper/lower die group by what heating source as the preferred technical solution of the present invention Air heating in middle mould back side fitting and closed chamber is blocked external heat loss through upper/lower die outer mold and is formed to the strong of internal model Temperature rise effect processed, while the cooling through upper and lower mould passes in and out water-cooled in chamber while cooling, the electric heating chamber of upper/lower die group Left and right heat radiation air outlet open, force cold wind to enter ventilation cooling by heat dissipation air inlet, achieve the effect that fast cooling.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention provides a kind of environmentally safe needs Clean energy resource (electricity, water), and can quickly improve production capacity.The invention can solve all the time, and foaming kind product thermoforming is cold formed In production process, burning need to be used to generate the environmental pollution under high-temperature vapour heating, and boiler and related hot fluid can be save The high cost of pipeline construction, and improve prouctiveness.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention It applies case to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention;
Fig. 2 is structure of the invention decomposition diagram;
Fig. 3 is structure pore and screw hole position overlooking structure diagram in upper mold group of the present invention;
Fig. 4 is structure pore and screw hole position overlooking structure diagram in the lower set of molds of the present invention;
In figure:1 upper mold group electrical heating outer mold pedestal, 2 upper mold group outer mold heat dissipation air inlet, 3 upper mold group external molds Have heat radiation air outlet, 4 upper mold group outer mold electric heaters, 5 upper mold group outer mold electrical heating die cavitys, 6 upper mold group heat conduction Mould in cooling, mould cooling source is into hole in 7 upper mold groups, and mould cooling source portals in 8 upper mold groups, and 9 upper mold cooling sources conduct chamber, 10 water proof gaskets, internal model conductor chamber pedestal on 11, on 12 internal model heat conduction cool down hinge, internal shaping mold on 13,14 short screws, 15 Long screw, 16 times set of molds electrical heating outer mold pedestals, 17 times set of molds outer molds heat dissipation air inlets, 18 times set of molds outer molds Heat radiation air outlet, 19 times set of molds outer mold electric heaters, 20 times set of molds outer mold electrical heating die cavitys, 21 times set of molds heat conduction Mould in cooling, mould cools down inlet opening in 22 times set of molds, and mould cooling water outlet hole in 23 time set of molds, 24 times mold cooling source conducts Chamber, 25 core insert heat conduction cool down hinge, and 26 core insert conductor chamber pedestals, 27 times internal shaping molds, 28 times internal shaping molds, 29 connect Externally exhaust grain is connect, the following group mold is closed material forming cavity on 30, and 31 connect externally exhaust grain.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describe, it is clear that described embodiment, only a part of the embodiment of the present invention be based on instead of all the embodiments Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the present invention discloses a kind of technical solution:Electric heating is molded cold formed equipment module, is to be composed Upper/lower die group structure, upper mold group be (1) upper mold group electrical heating outer mold pedestal (thermal insulation board) and (6) upper mold group lead Mould (fixing piece) during heat is cooling, internal shaping mold (moving member) passes through on internal model conductor chamber pedestal (fixing piece) (13) on (11), (14) short screw (moving member), (15) long screw (fixing piece) assemble, and be completed has (2) upper mold respectively four sides Tool group outer mold heat dissipation air inlet, (3) upper mold group outer mold heat radiation air outlet, (4) upper mold group outer mold electric heater (hole), into hole, mould cooling source portals mould cooling source in (8) upper mold group, and (5) upper mold is formed in intracavitary in (7) upper mold group Group outer mold electrical heating die cavity, (9) upper mold cooling source conduct chamber, have internal model heat conduction on (12) to cool down page inside cavity respectively Piece has (29) connection when molding to be externally vented (hole) grain.Lower die assembly is set of molds electrical heating outer mold pedestal under (16) Mould (fixing piece) during set of molds heat conduction cools down under (thermal insulation board) and (21), (26) core insert conductor chamber pedestal (fixing piece), (27) Lower internal shaping mold (moving member 1), internal shaping mold (moving member 2) under (28), through (10) water proof gasket, (14) short screw (moves Moving part), (15) long screw (fixing piece) assembles, and is completed the set of molds outer mold in the case where four sides have (17) respectively and dissipates Hot air inlet, set of molds outer mold heat radiation air outlet under (18), set of molds outer mold electric heater (hole) under (19), (22) lower die Mould cools down inlet opening in tool group, and under (23) mould cooling water outlet hole in set of molds, the set of molds outer mold electricity in the case where intracavitary forms (20) Die cavity is heated, mold cooling source conducts chamber under (24), when having (25) core insert heat conduction to cool down hinge in cavity respectively, and having molding (31) connection externally exhaust (hole) grain.Upper/lower die component is formed after being closed, and the following group mold is closed material forming cavity on (30), The inside has more Yu air that can be externally vented with (29) (31) connection through the exhaust pinprick aperture on interior mold shaping mould when production The connection of (hole) grain, is externally vented.
The operation principle of the present invention:
1. assembly mold is divided into the fixing piece and moving member totally four big part of upper/lower die, in the fixation kit of upper/lower die Cavity is electric heating heating chamber and cooling conduction chamber (electrical heating, water cooling layering), component after fixing piece and moving member assembling, up and down The chamber of closure is the cold formed shaping work chamber of pressure injection thermoforming.
2. when heated, electrothermal tube heats in airtight heating chamber, the heat-insulating material through outer mold blocks external hot-fluid It loses (energy saving), mould conducts heat in electrothermal tube fitting, and the wing hinge at the mould back side absorbs the inner face that thermal energy is transmitted to middle mould in, in mould In the reinforcement structure type hinge and middle mould of the surrounding contact surface and the internal model back side that face and internal model (fixing piece) are fastened through long screw Face paste closes conduction, then from (moving member) heat transfer to internal model (fixing piece) to internal model, reheats finished product work cavity material.
3. while cooling, cold water by water inlet high pressure enter the highdensity radiating fin in cooling die cavity to internal model and in The inner face of mould directly absorbs heat, and by water outlet, quickly takes heat out of, and also has high temperature air in the heating chamber in external mold and middle mould, It is opened by the heat dissipation air port of external mold, heat dissipation air inlet forced air inlet heat exchange, the closed high temperature in its cooling heating chamber.
4. the dough sheet at the mold back side is other than the effect of heat dissipation heat conduction in, because and the fitting of middle die face, also allow middle mould to play pair The reinforcement structure supporting role of internal model.
5. having two kinds of fixing piece mold and displaceable member, fixing piece is adiabatic and can be assembled into equipment by heat transfer cavity One can be dismounted with fastened by screw without spliting open solution, moving member mold, can need to substitute at any time according to production at any time, and whats is waited only to open half Mold saves die sinking cost.
The present invention has the following advantages:The present invention provides a kind of clean energy resourcies (electrical heating, environmental protection are pollution-free) It thermoforming and is invented, can be replaced at present on the market using boiler with the equipment die of water-cooled shaping production technology used at the same time The cold formed equipment of thermoforming and mold of thermal energy are generated, the air pollution generated by burning is reduced, can also reduce its powering device Input (boiler and pipeline), and because heat conduction and radiate hinge structure design, because conduction surface is big in working cavity, so Can reach has than general mold, faster absorbs the effect of thermal energy and fast cooling, therefore electric heating of the present invention molding is cold fixed Type equipment module can also accelerate the heating to mold and cooling, so speed of production can be improved, solve foaming kind all the time and produce Product production is unstable, and improves production capacity, and further reduces the cost, and through the invention of this structure assembly mold, can be according to product The interior mold for updating moving member at any time, can further decrease the development cost of new die.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used With to foregoing embodiments, recorded technical solution is modified or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's Within protection domain.

Claims (7)

1. a kind of electric heating is molded cold formed equipment module, which is characterized in that be divided into upper/lower die group, upper mold component is upper mold Group electrical heating outer mold pedestal upper mold group outer mold heat dissipation air inlet, upper mold group outer mold heat radiation air outlet, upper mold group Outer mold electric heater, upper mold group outer mold electrical heating die cavity, mould in upper mold group heat conduction cooling, mould cools down in upper mold group Source is into hole, and mould cooling source portals in upper mold group, and upper mold cooling source conducts chamber, water proof gasket, upper internal model conductor chamber pedestal, on Internal model heat conduction cools down hinge, and upper internal shaping mold, short screw, long screw, externally exhaust is poor for connection, and lower die assembly is lower die Tool group electrical heating outer mold pedestal, lower set of molds outer mold heat dissipation air inlet, lower set of molds outer mold heat radiation air outlet, lower mold Group outer mold electric heater, lower set of molds outer mold electrical heating die cavity, mould in lower set of molds heat conduction cooling, mould is cold in lower set of molds But inlet opening, mould cooling water outlet hole in lower set of molds, lower mold cooling source conduct chamber, and core insert heat conduction cools down hinge, core insert Conductor chamber pedestal, lower internal shaping mold, lower internal shaping mold connect externally exhaust grain, and upper/lower die component is formed after being closed, on The following group mold is closed material forming cavity.
2. according to a kind of cold formed equipment module of claim 1 electric heating molding of the present invention, which is characterized in that upper mold group Part is mould in upper mold group electrical heating outer mold base and upper die tool group heat conduction cooling, internal shaping mould on upper internal model conductor chamber pedestal Tool warp, short screw, long screw assemble, and be completed has upper mold group outer mold heat dissipation air inlet respectively four sides, Upper mold group outer mold heat radiation air outlet, upper mold group outer mold electric heater, mould cooling source is into hole, upper mold in upper mold group Mould cooling source portals in group, forms upper mold group outer mold electrical heating die cavity in intracavitary, upper mold cooling source conducts chamber, in cavity Face has upper internal model heat conduction cooling hinge, industry to have connection when molding to be externally vented grain respectively, and lower die assembly is lower set of molds electricity Heat mould in outer mold pedestal and lower set of molds heat conduction cooling, core insert conductor chamber pedestal, lower internal shaping mold, lower internal shaping mould Tool, through water proof gasket, short screw, long screw assembles, and be completed has lower set of molds outer mold to dissipate respectively four sides Hot air inlet, lower set of molds outer mold heat radiation air outlet, lower set of molds outer mold electric heater, mould cooling water inlet in lower set of molds Hole, mould cooling water outlet hole in lower set of molds form lower set of molds outer mold electrical heating die cavity, lower mold cooling source conduction in intracavitary Chamber has in cavity core insert heat conduction to cool down hinge respectively, and has connection when molding to be externally vented grain, and upper/lower die component is closed After formed, upper the following group mold is closed material forming cavity, and the inside is through the external exhaust grain of interior mold moulding arranging gas aperture and connection, exhaust Connection.
3. according to a kind of cold formed equipment module of claim 2 electric heating molding of the present invention, which is characterized in that upper lower group mould The fixing piece outer mold of tool interior mold in assembles, and forms the electrical heating die cavity cooling source conduction chamber of difference and upper the following group Mold is closed material forming cavity.
4. according to a kind of cold formed equipment module of claim 3 electric heating molding of the present invention, which is characterized in that its fixing piece Heat dissipation hinge in the cooling source conduction chamber assembled when assembling and fits closely other than heat dissipation and plays reinforcement mold Structural support force effect simultaneously plays the role of heating the conductor to conduct heat to internal model when die cavity heating.
5. according to a kind of cold formed equipment module of claim 4 electric heating molding of the present invention, which is characterized in that upper/lower die In group electric heating chamber, it is provided with electric heater hole installation heater, and heating is bonded in upper/lower die group outer mold heating chamber.
6. according to a kind of cold formed equipment module of claim 5 electric heating molding of the present invention, feature is being given, upper/lower die The outer mold of group is made of the resistance to heat-insulating material of high temperature, is reduced the heat absorption scale of construction and also thermal energy is protected not to be lost in, fixation kit is through long screw It can directly lock on forming bench.
7. according to a kind of cold formed equipment module of claim 5 electric heating molding of the present invention, feature is being given, is being heated by what Source be electrothermal tube in the heated mould intracavitary pair of upper/lower die group the mould back side fitting and closed chamber in air heat through upper and lower mould Tool outer mold blocks external heat loss and forms pressure temperature rise effect to internal model, while cooling in chamber the cooling through upper and lower mould into While going out water-cooled, the left and right heat radiation air outlet of the electric heating chamber of upper/lower die group is opened, and cold wind is forced by heat dissipation air inlet Cool down into ventilation, achievees the effect that fast cooling.
CN201810295955.2A 2018-02-07 2018-04-04 A kind of cold formed equipment module of electric heating molding Pending CN108544740A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2018101224756 2018-02-07
CN201810122475 2018-02-07

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CN108544740A true CN108544740A (en) 2018-09-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109366812A (en) * 2018-11-28 2019-02-22 北京航空航天大学 It is a kind of for processing the mold of seriation aircraft fuselage shell
WO2019223811A1 (en) * 2018-11-15 2019-11-28 Zhang Yanchen Hot-forming cold-setting device rapid heating plate

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Publication number Priority date Publication date Assignee Title
US6463779B1 (en) * 1999-06-01 2002-10-15 Mehmet Terziakin Instant heating process with electric current application to the workpiece for high strength metal forming
US20100166903A1 (en) * 2008-12-30 2010-07-01 Paul Edward Krajewski Elevated temperature forming die apparatus
CN101856850A (en) * 2009-04-10 2010-10-13 深圳市曼妮芬针织品有限公司 Process for die-pressing and shaping cup and die
CN102514124A (en) * 2011-11-28 2012-06-27 蔡祥山 Novel moveable heating type automatic heating and cooling device
CN105082518A (en) * 2014-05-14 2015-11-25 蔡莉榆 EVA automatic cooling and heating molding machine process
CN205343763U (en) * 2016-01-29 2016-06-29 长泰县明龙灯饰经销部 Lamp shade production facility
CN106938517A (en) * 2017-05-19 2017-07-11 张艳琛 A kind of cold formed set of molds of fast energy-saving thermoforming
CN107225731A (en) * 2017-07-11 2017-10-03 张艳琛 A kind of cold formed set of molds of fast energy-saving thermoforming
CN208978252U (en) * 2018-02-07 2019-06-14 张艳琛 A kind of cold formed equipment mould group of electric heating molding

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6463779B1 (en) * 1999-06-01 2002-10-15 Mehmet Terziakin Instant heating process with electric current application to the workpiece for high strength metal forming
US20100166903A1 (en) * 2008-12-30 2010-07-01 Paul Edward Krajewski Elevated temperature forming die apparatus
CN101856850A (en) * 2009-04-10 2010-10-13 深圳市曼妮芬针织品有限公司 Process for die-pressing and shaping cup and die
CN102514124A (en) * 2011-11-28 2012-06-27 蔡祥山 Novel moveable heating type automatic heating and cooling device
CN105082518A (en) * 2014-05-14 2015-11-25 蔡莉榆 EVA automatic cooling and heating molding machine process
CN205343763U (en) * 2016-01-29 2016-06-29 长泰县明龙灯饰经销部 Lamp shade production facility
CN106938517A (en) * 2017-05-19 2017-07-11 张艳琛 A kind of cold formed set of molds of fast energy-saving thermoforming
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CN208978252U (en) * 2018-02-07 2019-06-14 张艳琛 A kind of cold formed equipment mould group of electric heating molding

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019223811A1 (en) * 2018-11-15 2019-11-28 Zhang Yanchen Hot-forming cold-setting device rapid heating plate
CN109366812A (en) * 2018-11-28 2019-02-22 北京航空航天大学 It is a kind of for processing the mold of seriation aircraft fuselage shell
CN109366812B (en) * 2018-11-28 2020-07-03 北京航空航天大学 Mold for processing serialized aircraft fuselage shell

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