CN103552222A - Water jet rapid cooling electric heat type heat cycle mould and cooling method thereof - Google Patents
Water jet rapid cooling electric heat type heat cycle mould and cooling method thereof Download PDFInfo
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- CN103552222A CN103552222A CN201310516758.6A CN201310516758A CN103552222A CN 103552222 A CN103552222 A CN 103552222A CN 201310516758 A CN201310516758 A CN 201310516758A CN 103552222 A CN103552222 A CN 103552222A
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- cooling
- heating plate
- formpiston
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4823—Moulds with incorporated heating or cooling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C2045/7368—Heating or cooling of the mould combining a heating or cooling fluid and non-fluid means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a water jet rapid cooling electric heat type heat cycle mould. The water jet rapid cooling electric heat type heat cycle mould comprises a female mould and a male mould, wherein the female mould comprises a female mould heating plate and a female mould cooling plate which are mutually connected, and the male mould comprises a male mould heating plate and a male mould cooling plate which are mutually connected; the female mould heating plate and the male mould heating plate are internally provided with an electrical heating element and a temperature measuring element, and the frontage of the female mould heating plate and the frontage of the male mould heating plate can form a mould cavity in an enclosing way; cooling cavities are arranged between the female mould heating plate and the female mould cooling plate and between the male mould heating plate and the male mould cooling plate; sealing elements are arranged on a fitting surface between the female mould heating plate and the female mould cooling plate and a fitting surface between the male mould heating plate and the male mould cooling plate, and the female mould cooling plate and the male mould cooling plate are internally provided with a water jet cooling assembly which can enable the cooling water to pass through the cooling cavities to be sprayed to the back surfaces of the cooling cavities respectively. The invention simultaneously provides a cooling method of the module. The water jet rapid cooling electric heat type heat cycle mould provided by the invention has the advantages that the structure is simple, the heating and cooling efficiencies are high, the mould manufacture and assembly accuracy requirements are low, and the water jet rapid cooling electric heat type heat cycle mould is convenient in industrialized application.
Description
Technical field
The present invention relates to polymer material molding mould, particularly quick cooling electric-heating heat circulation injection moulding/blow mold and the cooling means thereof of water jet.
Background technology
Injection moulding and blowing are two kinds of forming methods of macromolecular material, and the goods of institute's moulding are widely used in the industrial circles such as automobile, household electrical appliance and consumer electronics.In recent years, energy-conservation, the material-saving in the mechanical property of macromolecule material product, presentation quality and shape and size precision and forming process, reduction of discharging and environmental protection etc. have been proposed to more and more higher requirement.
In conventional injection moulding and blowing process, the temperature of mould is controlled in following to enhance productivity far below the heat distortion temperature of plastics used conventionally.Yet the excessive temperature difference between plastic melt and mold cavity inevitably causes goods to have defect.For injection moulding, lower mold cavity temperature makes the plastic melt premature setting injecting, and increases the flow resistance of plastic melt, cause goods exist such as weld mark, fiber leak outside, surface smoothness is low and the defect such as buckling deformation; For blowing, while contacting with low temperature mold cavity after viscous state preform blowup, parison top layer rapid curing, causes product surface to be prone to the open defects such as pit and orange peel line.For further improving the quality of goods, conventional injection moulding and blow-molded article often need follow-up processing procedure.For example, for improving the presentation quality of goods, need to polish and spray treatment to the surface of moulded products.Subsequent treatment not only obviously extends the production procedure of goods, increases the cost of goods, and can bring harm with surrounding environment to operating personnel are healthy.
Rapid thermal cycles moulding is a kind of polymer material molding new technology of in recent years developing.Be different from the mould normal temperature control strategy in conventional injection moulding and blowing, rapid thermal cycles forming technique adopts dynamic analog temperature control mode, mold temperature is carried out dynamically controlling to adapt to the demand of forming process different phase to mold temperature in forming process.Adopt this dynamic mould temperature control mode; make plastic melt or viscous state parison can under higher mould-cavity temperature, carry out mold filling or inflation; greatly improve the flow behavior of melt, obviously improve the quality of plastic, can eliminate the required subsequent processes of conventional forming method.
Realize rapid thermal cycles Technology Need and heating and cooling device be set so that mold cavity is replaced to heating and cooling rapidly, wherein adopt heating as the mode of heating of thermal source have easy, easy row, flexibly, the advantage such as low cost and easy care.US Patent No. 5989008 has proposed a kind of multiple layers of molds structure, comprises the mold cavity top layer, electric heating layer and the die matrix layer that from inside to outside set gradually.Adopt electrical heating and water cooling mode to realize the Fast Heating of mold cavity and cooling fast.But this mould structure is complicated, and the bond strength between each layer of mould is low, in circulation colds and heat succeed each other process, easily produce thermal stress fatigue and destroy, reduce die life.The Chinese patent that grant number is 201010174808.3 provides a kind of electrothermal, floating type rapid thermal circulation injection mould, comprises floating type die cavity heating plate, floating core heating plate, die cavity coldplate, core coldplate, liftout attachment, guider etc.By liftout attachment, the heating part of this mould and cooling segment, (be floating type die cavity heating plate and die cavity coldplate, floating core heating plate and core coldplate) completely separated, to avoid the mutual interference of mold heated and mold cools down effect, improve efficiency of utilization.Yet this mould requires very high to manufacture and assembly precision.
Therefore, existing electrothermal rapid thermal cycles mould exists that heating/cooling effectiveness is low, mould structure is complicated, die life is short, mould manufacture and assembly precision require the problems such as height.
Summary of the invention
For the deficiencies in the prior art, the object of the present invention is to provide a kind of simple in structure, to manufacturing and water jet that assembly precision requirement is lower cooling electric-heating heat circulation mould fast.
Another object of the present invention is to provide a kind of by above-mentioned mould, realized easy to operate, be easy to application, cooling cooling means fast.
In order to achieve the above object, the present invention adopts technical scheme as described below.
A cooling electric-heating heat circulation mould, comprises former and formpiston fast; Former comprises interconnective former heating plate and former coldplate, and formpiston comprises interconnective formpiston heating plate and formpiston coldplate; In former heating plate and formpiston heating plate, heating and temperature element are installed, preferably, heating is electrical bar, and temperature element is thermocouple; The front of the front of former heating plate and formpiston heating plate surrounds mold cavity; Between former heating plate and former coldplate, offer cooling chamber between formpiston heating plate and formpiston coldplate; Binding face between binding face between former heating plate and former coldplate, formpiston heating plate and formpiston coldplate is provided with seal; In former coldplate, be provided with and cooling water be injected into the water jet cooling package at the former heating plate back side through cooling chamber, in formpiston coldplate, be provided with and cooling water be injected into the water jet cooling package at the formpiston heating plate back side through cooling chamber.This mould structure can make cooling water pass through the back side of water jet cooling package high velocity jet former heating plate and the back side of formpiston heating plate, effectively improves cooling effectiveness; The existence of cooling chamber, has reduced the contact area between heating plate and coldplate, makes to assemble simple and convenient; Seal can effectively prevent that the cooling water in cooling chamber from leaking.
Water jet cooling package comprises cooling duct and jet nozzle, and cooling duct is opened in former coldplate and formpiston coldplate, and jet nozzle is connected with the exit end face in cooling duct by screw, and over against the back side of former heating plate and the back side of formpiston heating plate.
Jet nozzle is dome shape and protrudes to cooling chamber, offers equably a plurality of spray orifices of arranging along sphere in jet nozzle, and this structure is conducive to increase the jeting area of cooling water, strengthens cooling effectiveness; The quantity of jet nozzle can be according to the cooled region area definition at the back side of former heating plate, formpiston heating plate, to guarantee that whole cooled region can be evenly cooling rapidly.
Between former heating plate and former coldplate, be provided with support member between formpiston heating plate and formpiston coldplate, support member is through cooling chamber.Preferably, support member is support column, and its cross sectional shape can be circle, rectangle or square, and the sectional dimension of support column and quantity can be determined by the required magnitude of load bearing in forming process according to former heating plate and formpiston heating plate.The strength and stiffness that support member can significantly improve former heating plate and formpiston heating plate are set, improve the service life of mould.
Between support member and former heating plate, be provided with heat shield between support member and formpiston heating plate; Heat shield can effectively be avoided between former heating plate and support member, the heat transfer between formpiston heating plate and support member, improves efficiency of utilization.
The bottom of cooling chamber arranges at least one coolant outlet, coolant outlet water pump, and water pump can be extracted the cooling water in cooling chamber out fast; Under the prerequisite allowing at the bottom size of cooling chamber, offer as much as possible the more and larger-size coolant outlet of quantity, to discharge fast cooling water.
Former heating plate and former coldplate are connected by screw, and formpiston heating plate and formpiston coldplate are connected by screw.
Water jet is the cooling means of cooling electric-heating heat circulation mould fast, utilizes water jet cooling package to make cooling water directly spray the back side of former heating plate and the back side of formpiston heating plate, to former heating plate and formpiston heating plate, carries out cooling fast; This method has advantages of easy to operate and cooling effectiveness is high.
Water jet is the cooling means of cooling electric-heating heat circulation mould fast, comprises the steps: that a. passes into cooling water toward the cooling duct in former coldplate and formpiston coldplate, starts the water pump joining with coolant outlet simultaneously; B. cooling water is formed uniformly the High-Pressure Water that multiply is dispersion shape distribution after jet nozzle, and the back side of former heating plate and formpiston heating plate is sprayed, and water pump is constantly discharged the cooling water being detained in cooling chamber simultaneously; C. when former heating plate and formpiston heating plate are cooled to predetermined temperature, stop passing into cooling water toward cooling duct, after the cooling water in chamber to be cooled drains, stop pump working.
Compared with prior art, the present invention has advantages of as follows.
(1) simple in structure.The present invention is directly installed on heating in mold heated plate mold cavity is heated, and compares with existing multiple layers of molds structure, and the present invention is simple in structure, easily realization.
(2) mold cools down and the efficiency of heating surface are high.It is cooling that the present invention adopts the water jet type of cooling to carry out mould, compares with the conventional mould convection current type of cooling, and the present invention has obviously improved the cooling effectiveness of mould; Cooling chamber in the present invention separates mold heated plate and coldplate completely, has avoided the mutual interference of mold heated and mold cools down effect, has obviously improved the efficiency of heating surface of mould.Therefore, the present invention has shortened molding cycle, the raising production of articles efficiency of moulded products significantly.
(3) to the manufacture of mould and assembly precision, require lower.The present invention adopts screw that mold heated plate and coldplate are linked together, and in forming process, relative motion does not occur each other.Therefore, compare with existing electrothermal, floating mold structure, the present invention requires lower to the manufacture of mould and assembly precision.
(4) mould strength and rigidity are high.In the cooling chamber of the present invention between mold heated plate and coldplate, be provided with support member, make mould there are higher strength and stiffness, can effectively bear the shock loading in forming process, thereby reduce the deflection of heating plate.
Accompanying drawing explanation
Fig. 1 is water jet of the present invention cooling electric-heating heat cyclic module lamps structure schematic diagram fast.
Fig. 2 is the I-I cutaway view of mould structure shown in Fig. 1.
Fig. 3 is the local enlarged diagram in C place in mould structure shown in Fig. 2.
Fig. 4 a is jet nozzle structural representation, and Fig. 4 b is II-II cutaway view of jet nozzle shown in Fig. 4 a.
Fig. 5 a-5d adopts the water jet process schematic diagram of cooling electric-heating heat circulation mould moulded products fast.
Above-mentioned each number in the figure is described as follows.A-former; B-formpiston; 1-former heating plate; 2-former coldplate; 3-formpiston heating plate; 4-formpiston coldplate; 5-electrical bar; 6-thermocouple; 7-cooling duct; 8-cooling chamber; The back side of 9-former heating plate; The back side of 10-formpiston heating plate; 11-jet nozzle; 12-screw; 13-support column; 14-heat shield; 15-seal; 16-coolant outlet; 17-spray orifice; 18-holding screw; 19-moulded products.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiment of the present invention is not limited to this.
Fig. 1 to Fig. 4 shows concrete structure of the present invention, and Fig. 5 a to 5d shows the course of work of the present invention.
Water jet of the present invention fast cooling electric-heating heat circulation mould comprises former A and formpiston B.Former A comprises former heating plate 1 and former coldplate 2, and formpiston B comprises formpiston heating plate 3 and formpiston coldplate 4; Equally distributed electrical bar 5 and equally distributed thermocouple 6 are all installed in former heating plate 1 and formpiston heating plate 3; In former coldplate 2 and formpiston coldplate 4, be provided with water jet cooling package, water jet cooling package directly sprays cooling water to the back side 10 of the back side 9 of former heating plate, formpiston heating plate; Adopt screw 12 respectively former heating plate 1 to be connected with formpiston coldplate 4 with former coldplate 2, formpiston heating plate 3; Between former heating plate 1 and former coldplate 2, offer respectively cooling chamber 8 between formpiston heating plate 3 and formpiston coldplate 4, cooling chamber 8 is the cavity that the back side of former heating plate 1 and formpiston heating plate 3 caves inward, and occupies the area of the back side overwhelming majority of former heating plate 1 and formpiston heating plate 3; Binding face between binding face between former heating plate 1 and former coldplate 2, formpiston heating plate 3 and formpiston coldplate 4 is respectively arranged with seal 15, and seal 15 can prevent that the cooling water in cooling chamber 8 from leaking.
Water jet cooling package comprises cooling duct 7 and jet nozzle 11.Cooling duct 7 is opened in former coldplate 2 and formpiston coldplate 4; Jet nozzle 11 is connected with the exit end face in cooling duct 7 by holding screw 18, and over against the back side 9 of former heating plate and the back side 10 of formpiston heating plate.
Between former heating plate 1 and former coldplate 2, be provided with support column 13 between formpiston heating plate 3 and formpiston coldplate 4, support column 13 can be fixed by interference fit or the mode such as be threaded, and support column 13 is through cooling chamber 8.Between support column 13 and former heating plate 1, be provided with heat shield 14 between support column 13 and formpiston heating plate 3, heat shield 14 can be avoided between former heating plate 1 and support column 13 effectively, the heat transfer between formpiston heating plate 3 and support column 13 and produce thermal loss, thereby improves efficiency of utilization.
The bottom of cooling chamber 8 arranges at least one coolant outlet 16, and coolant outlet 16 is connected with water pump (not shown), so that the cooling water in cooling chamber 8 can promptly be discharged from.
Below in conjunction with Fig. 5 a-5d, the course of work of the present invention is carried out to formulate.According to rapid thermal cycles mould temperature, control Variation Features, rapid thermal cycles mold work process can be divided into mould Fast Heating, high temperature maintenance, cooling and low temperature keeps four-stage fast.
(1) mould rapid heat-up stage.As shown in Figure 5 a, when rapid thermal cycles forming process starts, former A and formpiston B are in die opening state.Electrical bar 5 energisings, heat former heating plate 1 and formpiston heating plate 3.In heating process, the air layer existing between former heating plate 1 and former coldplate 2, between formpiston heating plate 3 and formpiston coldplate 4 (in cooling chamber 8) can play heat-blocking action; Heat shield 14 can be avoided the heat transmission between former heating plate 1 and support column 13 and between formpiston heating plate 3 and support column 13 effectively.Like this, can effectively reduce the thermal loss of former heating plate 1 and formpiston heating plate 3, obviously improve the efficiency of heating surface of mould.Thermocouple 6 is measured the temperature of former heating plate 1 and formpiston heating plate 3 in real time, and when former heating plate 1 and formpiston heating plate 3 reach predefined temperature, electrical bar 5 power-off stop former heating plate 1 and formpiston heating plate 3 to heat.Subsequently, former A and formpiston B enter the high temperature maintenance stage.
(2) mould high temperature keeps the stage.As shown in Figure 5 b, in this stage, former A and formpiston B carry out matched moulds under the effect of forming machine clamping mechanism.Afterwards, for injection moulding, plastic melt is injected into and in mold cavity, carries out mold filling; For blowing, the parison of clamping carries out inflation under compressed air effect.Support column 13 can make former heating plate 1 and formpiston heating plate 3 effectively bear the shock loading in forming process, reduces the deflection of heating plate, improves the form and dimensional precision of moulded products 19.
(3) the quick cooling stage of mould.As shown in Figure 5 c, in this stage, cooling duct 7 in former coldplate 2 and formpiston coldplate 4 passes into cooling water, cooling water is as shown in Figs. 4a and 4b through jet nozzle 11(concrete structure) with higher speed, spray the back side 9 of former heating plate and the back side 10 of formpiston heating plate, to former heating plate 1 and formpiston heating plate 3, carry out cooling fast, the cooling water spraying coolant outlet 16 from cooling chamber 8 bottoms under the effect of water pump is discharged, the cooling water reusable edible of discharge.The type of cooling of this employing water jet has been strengthened the heat transfer between cooling water and mold heated plate significantly, improves the cooling effectiveness of mould.When the temperature value of thermocouple 6 measurements is reduced to the calcining temperature of moulded products 19, water jet cooling package stops former heating plate 1 and formpiston heating plate 3 to spray, and mould enters low temperature and keeps the stage.
(4) mould low temperature keeps the stage.As shown in Fig. 5 d, in this stage, former A and formpiston B carry out die sinking under the effect of forming machine clamping mechanism, take out moulded products 19.
Subsequently, rapid thermal cycles forming process enters next circulation.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (10)
1. a water jet cooling electric-heating heat circulation mould fast, comprise former and formpiston, former comprises interconnective former heating plate and former coldplate, formpiston comprises interconnective formpiston heating plate and formpiston coldplate, in former heating plate and formpiston heating plate, heating and temperature element are installed, the front of the front of former heating plate and formpiston heating plate surrounds mold cavity; It is characterized in that: between described former heating plate and former coldplate, offer cooling chamber between formpiston heating plate and formpiston coldplate, binding face between binding face between described former heating plate and former coldplate, formpiston heating plate and formpiston coldplate is provided with seal, in former coldplate, be provided with and cooling water be injected into the water jet cooling package at the former heating plate back side through cooling chamber, in formpiston coldplate, be provided with and cooling water be injected into the water jet cooling package at the formpiston heating plate back side through cooling chamber.
2. according to the quick cooling electric-heating heat circulation mould of water jet claimed in claim 1, it is characterized in that: described water jet cooling package comprises cooling duct and jet nozzle, cooling duct is opened in former coldplate and formpiston coldplate, jet nozzle is arranged on the exit end face in cooling duct, and over against the back side of former heating plate and the back side of formpiston heating plate.
3. according to the quick cooling electric-heating heat circulation mould of water jet claimed in claim 2, it is characterized in that: described jet nozzle is connected with the exit end face in cooling duct by screw.
4. according to the quick cooling electric-heating heat circulation mould of water jet claimed in claim 2, it is characterized in that: described jet nozzle is dome shape and protrudes to cooling chamber, in jet nozzle, offer equably a plurality of spray orifices of arranging along sphere.
5. according to the quick cooling electric-heating heat circulation mould of water jet claimed in claim 1, it is characterized in that: between described former heating plate and former coldplate, be provided with support member between formpiston heating plate and formpiston coldplate, support member passes cooling chamber.
6. according to the quick cooling electric-heating heat circulation mould of water jet claimed in claim 5, it is characterized in that: between described support member and former heating plate, be provided with heat shield between support member and formpiston heating plate.
7. according to the quick cooling electric-heating heat circulation mould of water jet claimed in claim 1, it is characterized in that: the bottom of described cooling chamber arranges at least one coolant outlet coolant outlet water pump.
8. according to the quick cooling electric-heating heat circulation mould of water jet claimed in claim 1, it is characterized in that: described former heating plate and former coldplate are connected by screw, formpiston heating plate and formpiston coldplate are connected by screw.
9. according to the cooling means of the quick cooling electric-heating heat circulation mould of the water jet described in any one in claim 1 to 8, it is characterized in that: utilize water jet cooling package to make cooling water directly spray the back side of former heating plate and the back side of formpiston heating plate, to former heating plate and formpiston heating plate, carry out cooling fast.
10. according to the cooling means of the quick cooling electric-heating heat circulation mould of water jet claimed in claim 9, it is characterized in that: comprise the steps: that a. passes into cooling water toward the cooling duct in former coldplate and formpiston coldplate, start the water pump joining with coolant outlet simultaneously; B. cooling water is formed uniformly multiply and is the High-Pressure Water that dispersion shape distributes after jet nozzle, the back side of former heating plate and formpiston heating plate is sprayed cooling, and water pump is constantly discharged the cooling water being detained in cooling chamber simultaneously; C. when former heating plate and formpiston heating plate are cooled to predetermined temperature, stop passing into cooling water toward cooling duct, after the cooling water in chamber to be cooled drains, stop pump working.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310516758.6A CN103552222B (en) | 2013-10-28 | 2013-10-28 | The electric heat type heat cycle mould that water jet cools fast and cooling means thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310516758.6A CN103552222B (en) | 2013-10-28 | 2013-10-28 | The electric heat type heat cycle mould that water jet cools fast and cooling means thereof |
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| CN103552222A true CN103552222A (en) | 2014-02-05 |
| CN103552222B CN103552222B (en) | 2016-01-06 |
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| CN201310516758.6A Active CN103552222B (en) | 2013-10-28 | 2013-10-28 | The electric heat type heat cycle mould that water jet cools fast and cooling means thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079262A (en) * | 2016-06-25 | 2016-11-09 | 湖南惟晟信息科技有限公司 | The manufacture method of shaped article and mold for forming |
| CN106738731A (en) * | 2016-12-23 | 2017-05-31 | 重庆润跃机械有限公司 | The injection moulding apparatus that can uniformly cool down |
| CN109786893A (en) * | 2019-02-01 | 2019-05-21 | 苏州安靠电源有限公司 | Inflation type temperature-uniforming plate and battery pack |
| CN113334712A (en) * | 2021-06-07 | 2021-09-03 | 常州市科尚模塑有限公司 | Injection molding device for mold |
| CN114228082A (en) * | 2022-02-23 | 2022-03-25 | 徐州沃斯克机械设备有限公司 | Injection mold for reduction gear |
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| US5989008A (en) * | 1994-11-04 | 1999-11-23 | Wytkin; Andrew J | Multilayer mould apparatus and method |
| CN101823325A (en) * | 2010-05-18 | 2010-09-08 | 山东大学 | Electrically-heating and floating type rapid thermal circulation injection mould |
| CN203580057U (en) * | 2013-10-28 | 2014-05-07 | 华南理工大学 | Electrothermic type thermal cycle mold rapidly cooled through water jet |
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| US5989008A (en) * | 1994-11-04 | 1999-11-23 | Wytkin; Andrew J | Multilayer mould apparatus and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079262A (en) * | 2016-06-25 | 2016-11-09 | 湖南惟晟信息科技有限公司 | The manufacture method of shaped article and mold for forming |
| CN106738731A (en) * | 2016-12-23 | 2017-05-31 | 重庆润跃机械有限公司 | The injection moulding apparatus that can uniformly cool down |
| CN109786893A (en) * | 2019-02-01 | 2019-05-21 | 苏州安靠电源有限公司 | Inflation type temperature-uniforming plate and battery pack |
| CN113334712A (en) * | 2021-06-07 | 2021-09-03 | 常州市科尚模塑有限公司 | Injection molding device for mold |
| CN114228082A (en) * | 2022-02-23 | 2022-03-25 | 徐州沃斯克机械设备有限公司 | Injection mold for reduction gear |
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| Publication number | Publication date |
|---|---|
| CN103552222B (en) | 2016-01-06 |
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