CN203472106U - Injection die with heat device - Google Patents

Injection die with heat device Download PDF

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Publication number
CN203472106U
CN203472106U CN201320462609.1U CN201320462609U CN203472106U CN 203472106 U CN203472106 U CN 203472106U CN 201320462609 U CN201320462609 U CN 201320462609U CN 203472106 U CN203472106 U CN 203472106U
Authority
CN
China
Prior art keywords
cavity plate
apron
backboard
injection
heater
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320462609.1U
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Chinese (zh)
Inventor
艾俊
钟树军
李强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHENGDU WANSHUNDA MOLD PART Co Ltd
Original Assignee
CHENGDU WANSHUNDA MOLD PART Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHENGDU WANSHUNDA MOLD PART Co Ltd filed Critical CHENGDU WANSHUNDA MOLD PART Co Ltd
Priority to CN201320462609.1U priority Critical patent/CN203472106U/en
Application granted granted Critical
Publication of CN203472106U publication Critical patent/CN203472106U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an injection die with a heat device. The injection die comprises a front baffle (5), a plurality of cavity plates (6) inside which cavities are formed, a rear baffle (7) and an electric heater (8), wherein a plurality of runners which are communicated in the up and down direction are arranged in the front baffle (5), the plurality of cavity plates (6) and the rear baffle (7); an injection hole (2) is also formed in the front baffle (5); an exhaust vent is also formed in the rear baffle (7). The injection die can adapt to the die opening of cavities with complicated shapes, the injection accuracy of complicated-shaped plastic products can be improved, and the subsequent re-processing can be avoided or reduced; the injection die can relatively well adapt to cooling speeds to be maintained in different plastic injection moldings, and the die temperature requirements can be met in injection, and the production efficiency of enterprises and the product quality are improved.

Description

A kind of injection mold with heater
Technical field
The utility model relates to injection molding apparatus field, particularly relates to a kind of injection mold with heater.
Background technology
A kind of processing method of using when injection mo(u)lding is some complex-shaped parts of batch production, specifically refers to the material melting that is heated to inject die cavity by high pressure, after cooling curing, obtains formed products.Injection mold is a kind of instrument of producing plasthetics, and it gives plasthetics complete structure and accurate dimension.
Existing injection mold is comprised of dynamic model and cover half two parts, dynamic model and cover half closed formation running gate system and die cavity when injection moulding, and during die sinking, dynamic model is separated with cover half to take out plastic products.But because shape and the structure of plastic products are ever-changing, the more complicated plastic products of shape are often not easy to the die sinking of dynamic model and cover half, injection mo(u)lding can not settle at one go, can only reduce injection moulding precision, by rear processing, reach shape requirement, the production efficiency that is unfavorable for enterprise, simultaneously, the characteristic of various plastics differs, for preventing being out of shape after the plastic demoulding, shorten molding cycle and reduce degree of crystallinity, when difference is plastic injection-moulded, must keep the suitable temperature of mould, during plastic shaping, must keep suitable cooling velocity, in prior art, mould is incubated and is forced Cooling Heat Transfer speed poor controllability, the pressure cooling velocity of optimizing mould is of great significance improving injection moulding efficiency and product quality tool.
Utility model content
For the more complicated plastic products of above-mentioned shape, be often not easy to the die sinking of dynamic model and cover half, injection mo(u)lding can not settle at one go, can only reduce injection moulding precision, by rear processing, reach shape requirement, the production efficiency that is unfavorable for enterprise, with the problem to mould insulation and pressure Cooling Heat Transfer speed poor controllability in prior art, the utility model provides a kind of injection mold with heater.
For the problems referred to above, a kind of injection mold with heater that the utility model provides solves problem by following technical essential: a kind of injection mold with heater, comprise front apron, inner side is provided with a plurality of cavity plate of cavity, backboard and electric heater, a plurality of described cavity plate are between front apron and backboard, and front apron, a plurality of described cavity plate, backboard successively order stacks, described front apron, in a plurality of cavity plate and backboard, be provided with the many runners that communicate up and down, on described front apron, be also provided with injecting hole, on described backboard, be also provided with steam vent, described electric heater is arranged in cavity plate.
The front apron arranging, after a plurality of cavity plate and backboard combination, form the die cavity of injection mold, and cavity part is by front apron, a plurality of cavity plate and backboard many parts form, this structure makes the die cavity of above-mentioned formation can be arranged to more complicated structure, in profile, be that abnormity and change in shape are large, only adopt dynamic model and cover half cannot complete the structure place of die sinking process, the cavity plate of correspondence position is arranged thinlyyer, reduce the contact area of each cavity plate inwall and injection-molded item and the deformation degree of dwindling each cavity plate cavity, in die sinking process, by removing successively front apron from the utility model both sides, backboard and cavity plate, finally complete the separated of mould and injection-molded item, be arranged on front apron, in a plurality of cavity plate and backboard, be provided with the many runners that communicate up and down for pass into cooling or heat medium to this mould, according to the characteristic of concrete plastics materials and the given shape forming in die cavity and size, many runners that arrange are convenient to select different cooling and mode of heatings, as the quantity of the runner of choice for use, what in the connection in series-parallel relation of each runner and each runner, pass into is cold, hot fluid medium kind and uninterrupted etc., the electric heater arranging adopts the electrical heating cloth with homogeneous heating function, be convenient to the utility model and can obtain multiple different heating and cooling effect.
Further technical scheme is:
Also comprise that quantity is the drainage tube interface of runner quantity twice, described drainage tube interface is separately positioned on the inlet and outlet of each runner.
The drainage tube interface arranging is convenient to being connected of runner in the utility model and exterior line.
Also comprise drainage tube, described drainage tube interface is gas-liquid and shares snap joint, and described drainage tube is plastic flexible pipe, and the free end of drainage tube is all fixedly connected with any two drainage tube interfaces.
It is convenient that the plastic flexible pipe arranging and gas-liquid share snap joint plug, and connect reliably joint face good seal performance.
On described front apron, a plurality of cavity plate and backboard, correspondence position is provided with at least two through holes, also comprises at least two leads, and the lead described in every becomes matched in clearance with the through hole of correspondence position.
When the through hole arranging and lead are conducive to front apron, a plurality of cavity plate and are connected with backboard, location facilitates.
Also comprise hanger, described hanger is fixedly connected in cavity plate.
It is convenient when the hanger arranging is conducive to mobile the utility model.
On described adjacent two cavity plate, front apron and cavity plate, cavity plate and backboards, be equipped with bolt hole, also comprise connecting bolt, two adjacent cavity plate, front apron are all fixedly connected with by connecting bolt with backboard with cavity plate, cavity plate.
Be fixed with bolts adjacent two cavity plate, front apron and cavity plate, cavity plate and backboards, make each several part fixation when matched moulds between adjacent two cavity plate, front apron and cavity plate, cavity plate and backboards, be conducive to guarantee precision of the present utility model.
On described adjacent two cavity plate, front apron and cavity plate, cavity plate and backboard binding face, be also provided with groove, in groove, be provided with sealing gasket.
The sealing gasket arranging is conducive to improve the sealing property between above-mentioned each contact-making surface; Sealing gasket is arranged in groove, is intended to avoid the thickness effect precision of the present utility model of sealing gasket.
The utlity model has following beneficial effect:
Than prior art, die cavity cavity part is comprised of many parts, in profile, be that abnormity and change in shape are large, only adopt dynamic model and cover half cannot complete the structure place of die sinking process, the cavity plate of correspondence position is arranged thinlyyer, reduce the contact area of each cavity plate inwall and injection-molded item and the deformation degree of dwindling each cavity plate cavity, in die sinking process, by removing successively front apron from the utility model both sides, backboard and cavity plate, finally complete the separated of mould and injection-molded item, be conducive to improve the injection moulding precision that the more complicated plastic products of shape can reach in injection molding process, thereby avoid or reduce follow-up reprocessing, be conducive to improve the production efficiency of enterprise, many runners that arrange in the utility model, be conducive to select most suitable cooling and mode of heating according to concrete material characteristic, and coordinate electric heater evenly mould to be heated, the temperature requirement of mould in the time of must keeping suitable cooling velocity and injection moulding better to adapt to different injection moldings.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation with a specific embodiment of injection mold of heater described in the utility model.
In figure, each mark is respectively: 1, drainage tube interface, 2, injecting hole, 3, drainage tube, 4, connecting bolt, 5, front apron, 6, cavity plate, 7, backboard, 8, electric heater, 9, hanger, 10, lead. the specific embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples.
Embodiment 1:
As shown in Figure 1, a kind of injection mold with heater, comprise that front apron 5, inner side are provided with a plurality of cavity plate 6 of cavity, backboard 7 and electric heater 8, a plurality of described cavity plate 6 are between front apron 5 and backboard 7, and front apron 5, a plurality of described cavity plate 6, backboard 7 successively order stack, in described front apron 5, a plurality of cavity plate 6 and backboard 7, be provided with the many runners that communicate up and down, on described front apron 5, be also provided with injecting hole 2, on described backboard 7, be also provided with steam vent, described electric heater 8 is arranged in cavity plate 6.
The front apron 5 arranging, after a plurality of cavity plate 6 and backboard 7 combinations, form the die cavity of injection mold, and cavity part is by front apron 5, a plurality of cavity plate 6 and backboard 7 many parts form, this structure makes the die cavity of above-mentioned formation can be arranged to more complicated structure, in profile, be that abnormity and change in shape are large, only adopt respectively a dynamic model and a structure place that cover half cannot complete die sinking process, the cavity plate of correspondence position 6 is arranged thinlyyer, reduce the contact area of each cavity plate 6 inwalls and injection-molded item and the deformation degree of dwindling each cavity plate 6 cavitys, in die sinking process, by removing successively front apron 5 from the utility model both sides, backboard 6 and cavity plate 7, finally complete the separated of mould and injection-molded item, be arranged on front apron 5, in a plurality of cavity plate 6 and backboard 7, be provided with the many runners that communicate up and down for pass into cooling or heat medium to this mould, according to the characteristic of concrete plastics materials and the given shape forming in die cavity and size, many runners that arrange are convenient to select different cooling and mode of heatings, as the quantity of the runner of choice for use, what in the connection in series-parallel relation of each runner and each runner, pass into is cold, hot fluid medium kind and uninterrupted etc., the electric heater 8 arranging adopts the electrical heating cloth with homogeneous heating function, be convenient to the utility model and can obtain multiple different heating and cooling effect.
Embodiment 2:
The present embodiment further limits on the basis of embodiment 1, as shown in Figure 1, also comprises that quantity is the drainage tube interface 1 of runner quantity twice, and described drainage tube interface 1 is separately positioned on the inlet and outlet of each runner.
The drainage tube interface 1 arranging is convenient to being connected of runner in the utility model and exterior line.
Also comprise drainage tube 3, described drainage tube interface 1 is gas-liquid and shares snap joint, and described drainage tube 3 is plastic flexible pipe, and the free end of drainage tube 3 is all fixedly connected with any two drainage tube interfaces 1.
It is convenient that the plastic flexible pipe arranging and gas-liquid share snap joint plug, and connect reliably joint face good seal performance.
On described front apron 5, a plurality of cavity plate 6 and backboard 7, correspondence position is provided with at least two through holes, also comprises at least two leads 9, and the lead 9 described in every becomes matched in clearance with the through hole of correspondence position.
When the through hole arranging and lead 9 are conducive to front apron 5, a plurality of cavity plate 6 and are connected with backboard 7, location facilitates.
Also comprise hanger 8, described hanger 8 is fixedly connected in cavity plate 6.
It is convenient when the hanger 8 arranging is conducive to mobile the utility model.
On described two adjacent cavity plate 6, front apron 5 and cavity plate 6, cavity plate 6 and backboard 7, be equipped with bolt hole, also comprise connecting bolt 4, two adjacent cavity plate 6, front apron 5 are all fixedly connected with by connecting bolt 4 with backboard 7 with cavity plate 6, cavity plate 6.
Be fixed with bolts two adjacent cavity plate 6, front apron 5 and cavity plate 6, cavity plate 6 and backboard 7, make each several part fixation when matched moulds between adjacent two cavity plate 6, front apron 5 and cavity plate 6, cavity plate 6 and backboard 7, be conducive to guarantee precision of the present utility model.
On described two adjacent cavity plate 6, front apron 5 and cavity plate 6, cavity plate 6 and backboard 7 binding faces, be also provided with groove, in groove, be provided with sealing gasket.
The sealing gasket arranging is conducive to improve the sealing property between above-mentioned each contact-making surface; Sealing gasket is arranged in groove, is intended to avoid the thickness effect precision of the present utility model of sealing gasket.

Claims (7)

1. an injection mold with heater, it is characterized in that, comprise front apron (5), inner side is provided with a plurality of cavity plate (6) of cavity, backboard (7) and electric heater (8), a plurality of described cavity plate (6) are positioned between front apron (5) and backboard (7), and front apron (5), a plurality of described cavity plate (6), backboard (7) successively order stacks, described front apron (5), in a plurality of cavity plate (6) and backboard (7), be provided with the many runners that communicate up and down, on described front apron (5), be also provided with injecting hole (2), described backboard is also provided with steam vent on (7), described electric heater (8) is arranged in cavity plate (6).
2. a kind of injection mold with heater according to claim 1, is characterized in that, also comprises that quantity is the drainage tube interface (1) of runner quantity twice, and described drainage tube interface (1) is separately positioned on the inlet and outlet of each runner.
3. a kind of injection mold with heater according to claim 2, it is characterized in that, also comprise drainage tube (3), described drainage tube interface (1) is gas-liquid and shares snap joint, described drainage tube (3) is plastic flexible pipe, and the free end of drainage tube (3) is all fixedly connected with any two drainage tube interfaces (1).
4. a kind of injection mold with heater according to claim 1, it is characterized in that, the upper correspondence position of described front apron (5), a plurality of cavity plate (6) and backboard (7) is provided with at least two through holes, also comprise at least two leads (10), the lead described in every (10) becomes matched in clearance with the through hole of correspondence position.
5. a kind of injection mold with heater according to claim 1, is characterized in that, also comprises hanger (9), and described hanger (9) is fixedly connected in cavity plate (6).
6. a kind of injection mold with heater according to claim 1, it is characterized in that, on described adjacent two cavity plate (6), front apron (5) and cavity plate (6), cavity plate (6) and backboard (7), be equipped with bolt hole, also comprise connecting bolt (4), adjacent two cavity plate (6), front apron (5) are all fixedly connected with by connecting bolt (4) with backboard (7) with cavity plate (6), cavity plate (6).
7. according to a kind of injection mold with heater described in any one in claim 1 to 6, it is characterized in that, on described adjacent two cavity plate (6), front apron (5) and cavity plate (6), cavity plate (6) and backboard (7) binding face, be also provided with groove, in groove, be provided with sealing gasket.
CN201320462609.1U 2013-07-31 2013-07-31 Injection die with heat device Expired - Fee Related CN203472106U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320462609.1U CN203472106U (en) 2013-07-31 2013-07-31 Injection die with heat device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320462609.1U CN203472106U (en) 2013-07-31 2013-07-31 Injection die with heat device

Publications (1)

Publication Number Publication Date
CN203472106U true CN203472106U (en) 2014-03-12

Family

ID=50220507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320462609.1U Expired - Fee Related CN203472106U (en) 2013-07-31 2013-07-31 Injection die with heat device

Country Status (1)

Country Link
CN (1) CN203472106U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI691397B (en) * 2017-08-07 2020-04-21 雙瑩科技股份有限公司 Fresnel lens injection molding mold device using rapid cooling and hot mold core

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI691397B (en) * 2017-08-07 2020-04-21 雙瑩科技股份有限公司 Fresnel lens injection molding mold device using rapid cooling and hot mold core

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GR01 Patent grant
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140312

Termination date: 20140731