CN206106283U - Injection mold - Google Patents
Injection mold Download PDFInfo
- Publication number
- CN206106283U CN206106283U CN201621174386.9U CN201621174386U CN206106283U CN 206106283 U CN206106283 U CN 206106283U CN 201621174386 U CN201621174386 U CN 201621174386U CN 206106283 U CN206106283 U CN 206106283U
- Authority
- CN
- China
- Prior art keywords
- injection mold
- core insert
- internal model
- centre form
- die cavity
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 51
- 239000007924 injection Substances 0.000 title claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims description 21
- 238000000429 assembly Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 4
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Abstract
The utility model discloses an injection mold, including last membrane module and lower membrane module, be equipped with the centre form on going up the membrane module, be equipped with down the centre form on the lower membrane module, go up the centre form and form the die cavity that is used for moulded product with centre form down to closing, go up and be equipped with the sealing washer between centre form and the lower centre form, upward be equipped with the annular air discharge duct that switches on with the die cavity on centre form and/or the lower centre form, the circumference of annular air discharge duct is equipped with a plurality of exhaust passages that are used for connecting the vacuum pump, going up the centre form and being equipped with the sealing washer down between the centre form, go up the centre form and/or be equipped with the annular air discharge duct that switches on with the die cavity on the centre form down, the circumference of annular air discharge duct is equipped with a plurality of exhaust passages that are used for connecting the vacuum pump, when moulding plastics, can take the air in the die cavity fast out through external vacuum pump, vacuum production state in messenger's die cavity, and the die cavity can have been filled fast to colloidal sol, and injection efficiency is high, can guarantee the outward appearance and the dimensional stability of goods, can be applicable to the thick wall product.
Description
Technical field
This utility model belongs to injection molding technology field, and in particular to a kind of injection mold.
Background technology
At present, more than more than 4mm, formed product is difficult, especially transparent heavy wall product, due to wall ratio for plastic parts wall thickness
It is thicker, during molding the product type intracavity of injection mold with the presence of substantial amounts of air, by common air discharge duct at short notice without
Method excludes the gas of die cavity, causes Surface Appearance to have gas stricture of vagina, burn phenomenon, and the speed filled slows down, products appearance,
Size is all difficult to ensure card.
Utility model content
A technical problem to be solved in the utility model is to provide a kind of gas that can quickly exclude die cavity, note
Modeling efficiency high, the injection mold that heavy wall product can be applied to.
To solve above-mentioned technical problem, the technical scheme that this utility model injection mold is adopted is：
Injection mold, including upper die component and lower mold assemblies, the upper die component is provided with internal model, the lower mold assemblies
Core insert is provided with, the upper internal model and the core insert are combined to form the die cavity for shaped article, the upper internal model and institute
State and be provided between core insert sealing ring, the upper internal model and/or the core insert are provided with and are arranged with the annular of die cavity conducting
Air drain, the annular vent groove is circumferentially with multiple exhaust passages for connecting vacuum pump.
Further, multiple exhaust passages are uniformly distributed along the circumference of the annular vent groove.
Further, the annular vent groove is on one end of the core insert and/or described located at the upper internal model
Core insert is on one end of the upper internal model.
Further, the upper internal model and/or the core insert are provided with the seal groove for fixing the sealing ring.
Further, under the sealing ring is fixed on the upper internal model on one end of the core insert and/or is described
Internal model is on one end of the upper internal model.
Further, it is provided with the inside gas turned on the exhaust passage in the upper die component or the lower mold assemblies
Road, the corresponding upper die component or the lower mold assemblies are provided with the air flue joint with the internal air flue conducting, the gas
Road joint protrudes from the outer surface of the injection mold.
Further, it is detachably connected by external air flue between the air flue joint and the vacuum pump.
Further, the internal air flue is in the lower mold assemblies, and the injection runner of the injection mold and
The cooling of injection mold chiller is on the upper die component.
Further, the demoulding of injection mold liftout attachment is on the lower mold assemblies.
The beneficial effect of injection mold that this utility model is provided is：Sealing ring is provided between upper internal model and core insert,
Upper internal model and/or core insert are provided with the annular vent groove with die cavity conducting, and being circumferentially with for annular vent groove is multiple for even
The exhaust passage of vacuum pump is connect, during injection, the air that external vacuum pump is quickly extracted out in die cavity can be passed through, make shape in die cavity
Into vacuum state, colloidal sol can the complete die cavity of Fast Filling, injection efficiency is high, ensure that the outward appearance and dimensional stability of product,
Heavy wall product can be applied to.
Description of the drawings
The structural representation of the injection mold that Fig. 1 is provided for this utility model embodiment；
Fig. 2 is the A-A profiles of Fig. 1；
Fig. 3 is the structural representation of the lower mold assemblies of Fig. 1；
Wherein：1- upper die components, 2- lower mold assemblies, the upper internal models of 3-, 4- core inserts, 5- die cavities, 6- sealing rings, 7- annular rows
Air drain, 8- exhaust passages, 9- vacuum pumps, 10- inside air flue, 11- air flue joints, the external air flues of 12-, 13- runners, 14- ejections
Device, 15- chillers.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit this utility model.
As Figure 1-3, the injection mold that this utility model embodiment is provided, including upper die component 1 and lower mold assemblies 2,
Upper die component 1 is provided with internal model 3, and lower mold assemblies 2 are provided with core insert 4, upper internal model 3 and core insert 4 be combined to form for into
The die cavity 5 of type product, is provided with sealing ring 6 between upper internal model 3 and core insert 4, upper internal model 3 and/or core insert 4 are provided with and die cavity
The annular vent grooves 7 of 5 conductings, annular vent groove 7 is circumferentially with multiple exhaust passages 8 for connecting vacuum pump 9.Use
When, injection mold is installed on injection machine, during injection, upper die component 1 and the 2-in-1 mould of lower mold assemblies, upper internal model and core insert pair
The die cavity for forming closure is closed, injection machine outputs signal to vacuum pump 9, and vacuum pump 9 is started working, by the air Jing rings in die cavity 5
Shape air discharge duct, multiple exhaust passages are quickly extracted out outside mould, make die cavity keep vacuum state, the complete vacuum state of colloidal sol Fast Filling
Die cavity, shorten injection time, improve injection efficiency, not only prevent air in die cavity compress cause to burn, trapped gas, it is heavier
Want be solve product due to injection when die cavity interior air-flow cause product appearance bad, it is ensured that the outward appearance and dimensionally stable of product
Property, heavy wall product can be applied to.
Further, in this utility model embodiment, multiple exhaust passages 8 are divided along the circumferential uniform of annular vent groove 7
Cloth；Circumferential clocking of turbine aerofluxuss, faster can exclude the gas in die cavity.
Further, in this utility model embodiment, annular vent groove 7 is located at upper internal model 3 near one end of core insert 4
Above and/or under internal model 4 on one end of upper internal model 3；It is preferred that annular vent groove is on the die joint of upper internal model and core insert.
Simplify structure, it is ensured that Quick air-discharge, advantageously ensure that the outward appearance of product.
Further, in this utility model embodiment, upper internal model 3 and/or core insert 4 are provided with for fixed seal ring
6 seal groove；The setting of seal groove, advantageously ensures that the reliability of sealing.
Further, in this utility model embodiment, sealing ring 6 is fixed on internal model 3 on one end of core insert 4
And/or core insert 4 is on one end of upper internal model 3；Simplify structure.
Further, in this utility model embodiment, it is provided with upper die component 1 or lower mold assemblies 2 and is led with exhaust passage 8
Logical inside air flue 10, corresponding upper die component 1 or lower mold assemblies 2 are provided with the air flue joint 11 with the conducting of internal air flue 10,
Air flue joint 11 protrudes from the outer surface of injection mold；The setting of internal air flue and air flue joint, makes structural module, and structure is steady
Fixed, simple installation, only need to be connected air flue joint with vacuum pump when using.
Further, in this utility model embodiment, can by external air flue 12 between air flue joint 11 and vacuum pump 9
Dismounting connection；Simple structure, it is easy to assemble, dismantles, safeguards.
Further, in this utility model embodiment, internal air flue 10 is located in lower mold assemblies 2, and injection mold
The injection cooling of runner 13 and injection mold is with chiller 15 on upper die component 1.Runner and chiller are located at
Simple structure, compact on same component, easy to use, internal air flue is divided on different components from runner, is easy to lay cooling
Runner and air flue, prevent interference, it is ensured that uniform cooling, Quick air-discharge.Here runner can be hot flow path, or cold flow
Road.
Further, in this utility model embodiment, the demoulding of injection mold is located at lower mold assemblies 2 with liftout attachment 14
On；It is easy to ejection operation.
It is preferred that having the course of work of the injection machine of this utility model injection mold as follows：
When the upper and lower internal model of injection mold closes to form product type chamber, before starting injection, injection machine shifts to an earlier date 2～3 seconds and sends
To vacuum pump, vacuum pump receives signal start-up operation to signal, quickly the air of product type intracavity is extracted into mold exterior, die cavity
After interior air is exhausted, injection machine forms product, in equipment for cooling die, liftout attachment etc. the complete die cavity of colloidal sol Fast Filling
Under comprehensive function, high-quality product is produced.Then matched moulds, into next molding cycle.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (9)
1. injection mold, including upper die component and lower mold assemblies, it is characterised in that：The upper die component is provided with internal model, institute
State lower mold assemblies and be provided with core insert, the upper internal model and the core insert are combined to form the die cavity for shaped article, described
Sealing ring is provided between upper internal model and the core insert, the upper internal model and/or the core insert are provided with leads with the die cavity
Logical annular vent groove, the annular vent groove is circumferentially with multiple exhaust passages for connecting vacuum pump.
2. injection mold according to claim 1, it is characterised in that：Multiple exhaust passages are along the annular vent groove
Circumference be uniformly distributed.
3. injection mold according to claim 1, it is characterised in that：The annular vent groove is close located at the upper internal model
On one end of the core insert and/or the core insert is on one end of the upper internal model.
4. injection mold according to claim 1, it is characterised in that：The upper internal model and/or the core insert are provided with
For fixing the seal groove of the sealing ring.
5. injection mold according to claim 4, it is characterised in that：The sealing ring is fixed on the upper internal model near institute
State on one end of core insert and/or the core insert is on one end of the upper internal model.
6. injection mold according to claim 1, it is characterised in that：It is provided with the upper die component or the lower mold assemblies
With the inside air flue of exhaust passage conducting, accordingly the upper die component or the lower mold assemblies are provided with and the inside
The air flue joint of air flue conducting, the air flue joint protrudes from the outer surface of the injection mold.
7. injection mold according to claim 6, it is characterised in that：Pass through between the air flue joint and the vacuum pump
External air flue is detachably connected.
8. injection mold according to claim 6, it is characterised in that：The internal air flue is located in the lower mold assemblies,
And the injection runner of the injection mold and the cooling of injection mold chiller are on the upper die component.
9. injection mold according to claim 8, it is characterised in that：The demoulding of the injection mold is located at liftout attachment
On the lower mold assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621174386.9U CN206106283U (en) | 2016-10-26 | 2016-10-26 | Injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621174386.9U CN206106283U (en) | 2016-10-26 | 2016-10-26 | Injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206106283U true CN206106283U (en) | 2017-04-19 |
Family
ID=58525643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621174386.9U Expired - Fee Related CN206106283U (en) | 2016-10-26 | 2016-10-26 | Injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206106283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139462A (en) * | 2022-05-26 | 2022-10-04 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
-
2016
- 2016-10-26 CN CN201621174386.9U patent/CN206106283U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139462A (en) * | 2022-05-26 | 2022-10-04 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
| CN115139462B (en) * | 2022-05-26 | 2023-12-15 | 东风柳州汽车有限公司 | Reaction injection molding die and preparation method of reaction injection molding product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |