CN205522298U - High -precision injection mold - Google Patents

High -precision injection mold Download PDF

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Publication number
CN205522298U
CN205522298U CN201620371669.6U CN201620371669U CN205522298U CN 205522298 U CN205522298 U CN 205522298U CN 201620371669 U CN201620371669 U CN 201620371669U CN 205522298 U CN205522298 U CN 205522298U
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CN
China
Prior art keywords
plate
cooling water
injection molding
moving platen
core
Prior art date
Application number
CN201620371669.6U
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Chinese (zh)
Inventor
陈金国
陈春华
林舒萍
谢圣江
Original Assignee
莆田学院
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Publication date
Application filed by 莆田学院 filed Critical 莆田学院
Priority to CN201620371669.6U priority Critical patent/CN205522298U/en
Application granted granted Critical
Publication of CN205522298U publication Critical patent/CN205522298U/en

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Abstract

The utility model discloses a high -precision injection mold, but movable mould board and fixed die plate including range upon range of setting and relative movement, decide template settings in movable mould board top, be provided with the core of two evaginations on the movable mould board, be provided with on the fixed die plate with the cavity of the corresponding indent of core, movable mould board and fixed die plate are closed the core constitutes the chamber of moulding plastics independent more than two with the cavity, its characterized in that, it has first cooling water course to move template settings, and it has second cooling water course to decide template settings, first cooling water course heliciform is surrounded inside the core, second cooling water course spiral surround in on the lateral wall of cavity. The utility model discloses high -precision injection mold has improved the cooling efficiency of movable mould board with the fixed die plate, and it is anti - excessive that the raw and other materials that can prevent to mould plastics pour into the back into, guarantees sufficient shot and precision to improve the injection moulding product quality.

Description

A kind of high-precision injection molding mould

Technical field

This utility model relates to technical field of mold, particularly relates to a kind of high-precision injection molding mould.

Background technology

Mould is manufacturing important process basis, and in China, Making mold belongs to special equipment manufacturing.Note Mould is a kind of instrument producing plasthetics;Also plasthetics complete structure and accurate dimension it are to confer to Instrument.A kind of processing method that injection mo(u)lding is used when being and produce some complex-shaped parts in batches.Refer specifically to By being heated, the material melted is injected die cavity by high pressure, after cooled solidification, obtains formed products.In order to ensure to be subject to The injection molding cavity can being completely filled with in mould of the material that heat is melted, injection machine must use bigger injection pressure Power is molded.And the cast gate of existing a lot of mold injection machines and mould coordinate imprecision, injection pressure mistake Can go out raw material time big excessive, cause injection pressure not enough and material injects the problems such as inadequate, impact is molded into Quality.Further, due in injection moulding process, injection raw material be injection molding machine be heated to uniform temperature in After molten condition, being injected in injection mold, overflow in order to raw material is counter after preventing injection, injection mold needs Being equipped with cooling pipe makes raw material lower the temperature, and in existing injection mold, is to arrange cooling water on solid plate Pipeline is lowered the temperature, and rate of temperature fall is low, still suffers from the anti-phenomenon of overflowing of raw material, particularly in raw material temperature Time higher, thus affect injection-molded finished precision.

Utility model content

The technical problems to be solved in the utility model, it is provided that a kind of high-precision injection molding mould, is used for solving existing The problem that in technology, the injection-molded finished precision of injection mold is the best.

This utility model is achieved in that

A kind of high-precision injection molding mould, is arranged including stacking and relatively-movable moving platen and solid plate, institute State solid plate and be arranged at above moving platen, moving platen is provided with the core of two evaginations, solid plate is arranged The chamber of the indent corresponding with described core, described moving platen and solid plate is had to close described core and chamber Constituting the injection molding cavity of two or more independence, described moving platen is provided with the first cooling water channel, and solid plate is provided with Second cooling water channel;Described first cooling water channel helical form is surrounded on inside core, described second cooling water channel Spiral surrounding is on the sidewall of described chamber.

Further, the sidewall of described moving platen is provided with water inlet interface and the water outlet mouthpiece of the first cooling water channel, The side of described solid plate is provided with water inlet interface and the water outlet mouthpiece of the second cooling water channel;Described water inlet interface It is fast interface with water outlet mouthpiece.

Further, solid plate is provided with sprue and is connected to sprue and the branch flow passage of each injection molding cavity, Described solid plate is arranged on the first backing plate, and the first backing plate is fixed on top clamping plate, described first backing plate with It is provided with the passage being connected with sprue on top clamping plate, in described passage, is provided with the loudspeaker being connected with sprue Shape sprue bush;Described hone gate set is up big and down small bell with the interface docked of injection machine, The medial surface of bell is provided with elastic sealing layer.

Further, Bottom clamp plate, the second backing plate, push pedal and lead are also included;Described Bottom clamp plate with Top clamping plate is arranged in parallel, and lead is vertically arranged between Bottom clamp plate and top clamping plate;Described dynamic Template-setup is on the second backing plate, and the second backing plate is slidably arranged on lead, and described push pedal is arranged at Between second backing plate and Bottom clamp plate.

Further, the material of described elastic sealing layer is rubber.

This utility model has the advantage that this utility model high-precision injection molding mould includes moving platen and determines Template, is provided with cooling water channel in solid plate and moving platen, wherein, and the cooling water channel spiral shell on solid plate Rotation shape is surrounded on the sidewall of chamber, and the cooling Aquatic product spiral surrounding on moving platen is inside core, so that cold But water channel is distributed in the inside and outside both sides of injection molding cavity, increases cooling water channel raw-material with high temperature in injection molding cavity Heat exchange area so that it is fast cooling, effectively prevents the anti-phenomenon overflow of high temperature raw material after injection, it is ensured that Raw-material injection rate and injection precision, improve the finished product accuracy of injection mold.

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model embodiment high-precision injection molding mould;

Fig. 2 is the profile of moving platen in this utility model embodiment high-precision injection molding mould;

Fig. 3 is the profile of solid plate in this utility model embodiment high-precision injection molding mould;

Fig. 4 is the structural representation of sprue bush in present embodiment.

Label declaration:

1, moving platen;2, solid plate;3, the second backing plate;4, Bottom clamp plate;5, the first pad Plate;6, top clamping plate;7, hone gate set;8, push pedal;11, core;12, One cooling water channel;13, water inlet interface;14, water outlet mouthpiece;21, sprue;22, branch Runner;23, injection molding cavity;24, chamber;25, the second cooling water channel;26, water inlet interface;27、 Water outlet mouthpiece;31, lead;71, interface;72, elastic sealing layer.

Detailed description of the invention

By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below In conjunction with embodiment and coordinate accompanying drawing to be explained in detail.

Referring to Fig. 1, this utility model embodiment, a kind of high-precision injection molding mould, this injection mold includes Moving platen 1 and solid plate 2, described solid plate 2 is arranged at above moving platen 1, moving platen 1 is provided with The core 11 of two evaginations, solid plate 2 is provided with the chamber 24 of the indent corresponding with described core 11, Described moving platen 1 and solid plate 2 be described core 11 and the injection molding cavity of chamber composition two or more independence when closing 23。

Referring to Fig. 2 and Fig. 3, described moving platen 1 is provided with the first cooling water channel 12, and solid plate 2 is arranged There is the second cooling water channel 25;It is internal that described first cooling water channel 12 helical form is surrounded on core 11, and described the Two cooling water channel 15 spiral surroundings are on the sidewall of described chamber 24.

Sidewall at described moving platen 1 is provided with water inlet interface 13 and the water outlet mouthpiece of the first cooling water channel 12 14, the side of described solid plate 2 is provided with water inlet interface 26 and the water outlet mouthpiece 27 of the second cooling water channel 25. In this embodiment, for the ease of being connected with outside cooling water supply unit, described water inlet interface 13 and 26 And described water outlet mouthpiece 14 and 27 is fast interface.

In present embodiment, the cooling water channel helical form on solid plate 2 is surrounded on the sidewall of chamber, moving platen 1 On cooling Aquatic product spiral surrounding internal in core 11 so that cooling water channel be distributed in injection molding cavity 23 interior, Outer both sides, increase cooling water channel and the raw-material heat exchange area of high temperature in injection molding cavity so that it is fast cooling, Effectively prevent the anti-phenomenon overflow of high temperature raw material after injection, it is ensured that raw-material injection rate and injection precision, Improve the finished product accuracy of injection mold.

In the present embodiment, solid plate 2 it is provided with sprue 21 and is connected to sprue 21 with each The branch flow passage 22 of injection molding cavity 23, the feed end of described sprue 21 is provided with hone gate set 7.Please Refering to Fig. 4, described hone gate set 7 is up big and down small bell with the interface 71 docked of injection machine, The medial surface of bell is provided with elastic sealing layer 72.

Concrete, in the present embodiment, the material of described elastic sealing layer 72 is rubber.Implement at other In mode, described elastic sealing layer 72 can also be other elastic materials such as silica gel.

Wherein, described solid plate 2 is arranged on the first backing plate 5, and the first backing plate 5 is fixed on top clamping plate 6 On, described first backing plate 5 be provided with the passage being connected with sprue on top clamping plate 2, described tubaeform Sprue bush 7 is arranged in described passage.

This injection mold also includes Bottom clamp plate the 4, second backing plate 3, push pedal 8 and lead 31;Described dynamic model Seat board 4 is arranged in parallel with top clamping plate 6, and lead 31 is vertically arranged at Bottom clamp plate 4 and cover half seat Between plate 6;Described moving platen 1 is arranged on the second backing plate 3, moving platen the 1, second backing plate 3 and dynamic model Seat board 4 is slidably arranged on lead 31, and described push pedal 8 is arranged at the second backing plate 3 and Bottom clamp plate Between 4, push pedal 8 being provided with multiple push piece bar, the end of push piece bar is connected to injection molding cavity.First will before injection Moving platen 1 pushes solid plate 2 to, is allowed to be formed the injection molding cavity 23 of injection;During injection, injection machine go out to mould mouth Dock with the interface 71 of sprue bush, and be molded inwards;After being molded, by push pedal 8 and thereon push away Finished product is released (i.e. the demoulding) in injection molding cavity by part bar.In this injection mold, the interface of sprue bush is taper, Can adaptive different types of injection machine, and be easy to location, and be provided with elastic packing at the medial surface of interface Layer, thus improve the sealing between injection machine and injection mold, injected plastics material can be prevented excessive, it is ensured that Enough injection pressures, improve injecting products quality.

The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, Every equivalent shapes utilizing this utility model description and accompanying drawing content to be made or reconfiguration, or directly or Indirectly it is used in other relevant technical fields, is the most in like manner included in scope of patent protection of the present utility model.

Claims (5)

1. a high-precision injection molding mould, is arranged and relatively-movable moving platen and solid plate including stacking, Described solid plate is arranged at above moving platen, moving platen is provided with the core of two evaginations, solid plate sets It is equipped with the chamber of the indent corresponding with described core, described moving platen and solid plate and closes described core and chamber Room constitutes the injection molding cavity of two or more independence, it is characterised in that described moving platen is provided with the first cooling water channel, Solid plate is provided with the second cooling water channel;
Described first cooling water channel helical form is surrounded on inside core, described second cooling water channel spiral surrounding in On the sidewall of described chamber.
High-precision injection molding mould the most according to claim 1, it is characterised in that the side of described moving platen Wall is provided with water inlet interface and the water outlet mouthpiece of the first cooling water channel, and the side of described solid plate is provided with second The water inlet interface of cooling water channel and water outlet mouthpiece;Described water inlet interface and water outlet mouthpiece are fast interface.
High-precision injection molding mould the most according to claim 1, it is characterised in that be provided with on solid plate Sprue and be connected to sprue and the branch flow passage of each injection molding cavity, described solid plate is arranged on the first backing plate, First backing plate is fixed on top clamping plate, and described first backing plate is connected with sprue with being provided with on top clamping plate Passage, be provided with the hone gate set being connected with sprue in described passage;
Described hone gate set is up big and down small bell with the interface docked of injection machine, bell Medial surface is provided with elastic sealing layer.
High-precision injection molding mould the most according to claim 3, it is characterised in that also include Bottom clamp plate, Second backing plate, push pedal and lead;
Described Bottom clamp plate is arranged in parallel with top clamping plate, and lead is vertically arranged at Bottom clamp plate with fixed Between die holder plate;
Described moving platen is arranged on the second backing plate, and the second backing plate is slidably arranged on lead, described Push pedal is arranged between the second backing plate and Bottom clamp plate.
High-precision injection molding mould the most according to claim 3, it is characterised in that described elastic sealing layer Material be rubber.
CN201620371669.6U 2016-04-28 2016-04-28 High -precision injection mold CN205522298U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620371669.6U CN205522298U (en) 2016-04-28 2016-04-28 High -precision injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620371669.6U CN205522298U (en) 2016-04-28 2016-04-28 High -precision injection mold

Publications (1)

Publication Number Publication Date
CN205522298U true CN205522298U (en) 2016-08-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620371669.6U CN205522298U (en) 2016-04-28 2016-04-28 High -precision injection mold

Country Status (1)

Country Link
CN (1) CN205522298U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108527778A (en) * 2018-06-04 2018-09-14 安庆市洁达塑业有限公司 A kind of flanged plastic nozzle injecting molding die
CN108527777A (en) * 2018-06-04 2018-09-14 安庆市洁达塑业有限公司 A kind of plastic casing, lid single injection-molded mold
CN108790046A (en) * 2018-06-04 2018-11-13 安庆市洁达塑业有限公司 A kind of vinyl disc injection forming mold
CN108790047A (en) * 2018-06-04 2018-11-13 安庆市洁达塑业有限公司 A kind of plastic cup injection forming mold

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108527778A (en) * 2018-06-04 2018-09-14 安庆市洁达塑业有限公司 A kind of flanged plastic nozzle injecting molding die
CN108527777A (en) * 2018-06-04 2018-09-14 安庆市洁达塑业有限公司 A kind of plastic casing, lid single injection-molded mold
CN108790046A (en) * 2018-06-04 2018-11-13 安庆市洁达塑业有限公司 A kind of vinyl disc injection forming mold
CN108790047A (en) * 2018-06-04 2018-11-13 安庆市洁达塑业有限公司 A kind of plastic cup injection forming mold

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160831

Termination date: 20190428