CN206568490U - Injection moulding apparatus with degassing function - Google Patents
Injection moulding apparatus with degassing function Download PDFInfo
- Publication number
- CN206568490U CN206568490U CN201720092842.3U CN201720092842U CN206568490U CN 206568490 U CN206568490 U CN 206568490U CN 201720092842 U CN201720092842 U CN 201720092842U CN 206568490 U CN206568490 U CN 206568490U
- Authority
- CN
- China
- Prior art keywords
- mold insert
- air drain
- row air
- injection moulding
- degassing function
- 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
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection moulding apparatus with degassing function, including the rear cavity provided with product model chamber, rear cavity lower end is provided with B plates, also include exhaust thimble and mold insert, it is provided with rear cavity in mold insert, mold insert and is provided with exhaust thimble, the head of exhaust thimble is provided with first row air drain, it is provided with below first row air drain below second row air drain, second row air drain and is provided with the 3rd air discharge duct.The utility model uses above structure, and ejecting function and degassing function are integrated together, the problem of solving to be designed with the depanning difficulty of the product of long pillar and serious injecting products trapped gas.
Description
Technical field
The utility model is related to injection mold technical field, more particularly to a kind of injection moulding apparatus with degassing function.
Background technology
In Injection Industry, when " trapped gas " refers to the plastic cement of injection machine matched moulds injection hot melt shape, the plastic cement of hot melt shape exists
Flowed in mold cavity, the air in extrusion die profile if air can not be effectively discharged out, will result in trapped gas, cause
Injecting products note is discontented or influences product quality.There is bottom-electronics on some injecting products, such as accelerator pedal of automobile to accelerate
Device, according to product design needs, its pillar is designed to very long, and plastic cement is too deep when causing the pillar to be molded, it is easy to produces mould and goes out
The problem of mould difficulty and serious injecting products trapped gas, cause the fraction defective of product very high, product surface does not reach wanting for client
Ask.This kind of product, because product pillar glue bit space is limited, therefore is difficult individually separately to do ejecting mechanism and exhaust gear.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of injection moulding apparatus with degassing function, by ejecting function
Be integrated together with degassing function, solve to be designed with the product of long pillar depanning is difficult and injecting products trapped gas asking seriously
Topic.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of injection moulding apparatus with degassing function, including the rear cavity provided with product model chamber, the rear cavity lower end
It is provided with to be provided with the mold insert, the mold insert in B plates, in addition to exhaust thimble and mold insert, the rear cavity and sets
Exhaust thimble is stated, the head of the exhaust thimble, which is provided with below first row air drain, the first row air drain, is provided with second row
The 3rd air discharge duct is provided with below air drain, the second row air drain.
It is preferred that, the vertical range of the center line of the first row air drain and the contouring head line of the exhaust thimble is
0.025mm。
It is preferred that, the first row air drain is provided with four.
It is preferred that, the internal diameter of the second row air drain is than external diameter to when young 1.0mm.
It is preferred that, the 3rd air discharge duct is provided with two.
It is preferred that, the material of the mold insert is S136 mould steel.
It is preferred that, the two or more product model chambers are provided with the rear cavity.
It is preferred that, each product model chamber is correspondingly arranged on a mold insert.
Using above-mentioned technical proposal, first exhaust is provided with due to being provided with mold insert on exhaust thimble, exhaust thimble
Groove, second row air drain and the 3rd air discharge duct, air during injection in mold insert is successively from first row air drain, second row air drain and the 3rd
Discharged in air discharge duct, make the problem of injecting products are unlikely to produce trapped gas, while product ejection can be gone by being vented thimble again, made
The smooth depanning of product.Second row air drain can also store the plastic cement chip of residual in mold insert, in case exhaust thimble is stained with when resetting
Plastic cement chip causes exhaust thimble not reset.Because the position around the pillar of product is easiest to damage, in rear cavity
This interior position sets mold insert, when mold insert is damaged, and directly changes mold insert, without changing whole mould.The system of mold insert
Make cost more much lower than whole mould, production cost can be greatlyd save.
Brief description of the drawings
Fig. 1 is the sectional side elevation of the utility model use state；
Fig. 2 is the stereogram of the utility model use state；
Fig. 3 is the structural representation of exhaust thimble in the utility model；
Fig. 4 is the top view of exhaust thimble in the utility model；
Fig. 5 is the partial enlarged drawing of part A in Fig. 3.
In figure, 1- rear cavities, 101-B plates, 102- product model chambers, 2- products, 201- pillars, 3- exhaust thimbles, 301-
First row air drain, 302- second row air drains, the air discharge ducts of 303- the 3rd, 4- mold inserts.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.Herein it should be noted that
Explanation for these embodiments is used to help understand the utility model, but does not constitute to restriction of the present utility model.This
Outside, as long as technical characteristic involved in each embodiment of the utility model disclosed below does not constitute conflict each other
It can just be mutually combined.
As depicted in figs. 1 and 2, a kind of injection moulding apparatus with degassing function disclosed in the utility model, including provided with production
Rear cavity 1, exhaust thimble 3 and the mold insert 4 of product model cavity 102, the lower end of rear cavity 1 is provided with B plates 101, rear cavity 1 and is provided with
Exhaust thimble 3 is provided with mold insert 4, mold insert 4, the head of exhaust thimble 3 is provided with first row air drain 301, first row air drain 301
Lower section is provided with second row air drain 302, and the lower section of second row air drain 302 is provided with the 3rd air discharge duct 303.
The depth of first row air drain 301, the i.e. center line of first row air drain 301 and the contouring head line of exhaust thimble 3
Vertical range L is 0.025mm.L distance is determined after accurate calculate, and when L is more than 0.025mm, is heated during injection
The plastic cement of shape will run out from the first row air drain 301 of exhaust thimble 3, cause product 2 to turn into defect ware；When L is less than
During 0.025mm, air during injection in mold insert 4 is just not easy discharge, causes the problem of product 2 produces trapped gas, so as to cause production
Product 2 produce the problems such as starved is burnt, and product 2 is turned into defect ware.First row air drain 301 is provided with four, facilitates mold insert 4
Interior air is fast and effeciently discharged.
During depanning, exhaust thimble 3 up pushes up product 2, after the smooth depanning of product 2, and exhaust thimble 3 resets.On exhaust top
During pin 3 up pushes up product 2, exhaust thimble 3 may be stained with the plastic cement chip of residual in some mold inserts 4, cause row
Gas ejector pin 3 can be stuck when resetting, so that the action resetted can not be completed.Therefore be specially provided with below first row air drain 301
Second row air drain 302, to store the plastic cement chip of residual in mold insert 4.The internal diameter d of second row air drain 302 is than outer diameter D to when young
1.0mm, otherwise second row air drain 302 is too small, it is impossible to reach the purpose for storing plastic cement chip.
3rd air discharge duct 303 is exactly the position that air most at last in mold insert 4 is discharged to the outside of rear cavity 1.3rd air discharge duct
303 are provided with two, facilitate the air in mold insert 4 fast and effeciently to discharge.
Because the pillar 201 of product 2 is required to be ejected by exhaust thimble 3 in each depanning, thimble 3 is vented
Position around prolonged and repeated friction pillar 201, therefore this position is easiest to damage.Therefore it will be changed into around pillar 201
Mold insert 4, when mold insert 4 is damaged, directly changes mold insert 4, without changing whole mould.The material of mold insert 4 is that mould is special
Different steel, using S136 mould steel.S136 is a kind of plastic mould steel, with excellent corrosion resistance, wearability, best bright finish
Surface and remarkable industry characteristics, S136 mould steel is after long-term use, and cavity surface still maintains original smooth shape
State.
Two or more product model chambers 102 are provided with rear cavity 1, each product model chamber 102 is correspondingly arranged on
One mold insert 4, multiple products 2 can just be produced by being so once molded, and improve production efficiency.
Further illustrated as to the present embodiment, now illustrate its injection and go out mold process：Front cavity is closed with rear cavity 1
After mould, injection machine starts injection.When the plastic cement for heating shape enters mold insert 4, air in mold insert 4 is by plastic cement from first row air drain
301 extrude, and air passes through second row air drain 302, and the outside of rear cavity 1 is finally discharged to from the 3rd air discharge duct 303.Injection molding
After mold, exhaust thimble 3 upwards move, pillar 201 is up pushed up, pillar 201 drive the smooth depanning of product 2, after depanning, exhaust
Thimble 3 resets.
Embodiment of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, it is right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall within protection domain of the present utility model.
Claims (8)
1. a kind of injection moulding apparatus with degassing function, including the rear cavity (1) provided with product model chamber (102), the rear mold
Benevolence (1) lower end is provided with B plates (101), it is characterised in that：Also include in exhaust thimble (3) and mold insert (4), the rear cavity (1)
It is provided with the mold insert (4), the mold insert (4) and is provided with the exhaust thimble (3), the head of the exhaust thimble (3) is set
It is equipped with below first row air drain (301), the first row air drain (301) and is provided with second row air drain (302), the second exhaust
The 3rd air discharge duct (303) is provided with below groove (302).
2. the injection moulding apparatus according to claim 1 with degassing function, it is characterised in that：The first row air drain
(301) vertical range of center line and the contouring head line of the exhaust thimble (3) is 0.025mm.
3. the injection moulding apparatus according to claim 2 with degassing function, it is characterised in that：The first row air drain
(301) four are provided with.
4. the injection moulding apparatus according to claim 3 with degassing function, it is characterised in that：The second row air drain
(302) internal diameter is than external diameter to when young 1.0mm.
5. the injection moulding apparatus according to claim 4 with degassing function, it is characterised in that：3rd air discharge duct
(303) two are provided with.
6. the injection moulding apparatus according to claim 1 with degassing function, it is characterised in that：The material of the mold insert (4)
For S136 mould steel.
7. the injection moulding apparatus according to claim 1 with degassing function, it is characterised in that：Set on the rear cavity (1)
It is equipped with the two or more product model chambers (102).
8. the injection moulding apparatus according to claim 7 with degassing function, it is characterised in that：Each product model chamber
(102) it is correspondingly arranged on a mold insert (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092842.3U CN206568490U (en) | 2017-01-20 | 2017-01-20 | Injection moulding apparatus with degassing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720092842.3U CN206568490U (en) | 2017-01-20 | 2017-01-20 | Injection moulding apparatus with degassing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206568490U true CN206568490U (en) | 2017-10-20 |
Family
ID=60060517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720092842.3U Expired - Fee Related CN206568490U (en) | 2017-01-20 | 2017-01-20 | Injection moulding apparatus with degassing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206568490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107873769A (en) * | 2017-12-21 | 2018-04-06 | 成都松川雷博机械设备有限公司 | Steamed dumplings former |
| CN111469353A (en) * | 2020-04-24 | 2020-07-31 | 广东博智林智能制造有限公司 | Mold device and molding system |
-
2017
- 2017-01-20 CN CN201720092842.3U patent/CN206568490U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107873769A (en) * | 2017-12-21 | 2018-04-06 | 成都松川雷博机械设备有限公司 | Steamed dumplings former |
| CN111469353A (en) * | 2020-04-24 | 2020-07-31 | 广东博智林智能制造有限公司 | Mold device and molding system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20200120 |