CN206501319U - A kind of vulcanization of rubber mould - Google Patents
A kind of vulcanization of rubber mould Download PDFInfo
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- CN206501319U CN206501319U CN201720152690.1U CN201720152690U CN206501319U CN 206501319 U CN206501319 U CN 206501319U CN 201720152690 U CN201720152690 U CN 201720152690U CN 206501319 U CN206501319 U CN 206501319U
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- mould
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- annular channel
- mandrel
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Abstract
The utility model discloses a kind of vulcanization of rubber mould, belong to auto parts machinery production mould technical field, including lower mould, middle mould and upper mould, lower mould upper surface is fixed with mandrel, manhole is offered in middle mould, manhole inwall is embedded with inserts, product die cavity is formed between inserts and mandrel, middle mould upper surface offers bar shaped runner, upper mould upper surface offers charging chamber, charging chamber bottom surface offers three sprues, upper mould lower surface offers annular channel, one of sprue is located at the surface of mandrel, and two other sprue is communicated by bar shaped runner with annular channel, the inwall of annular channel is located within the inwall of inserts, the upper surface of inserts is located at the inside of annular channel, axially enter glue-line so as to be formed, upper mould upper surface mortise-tenon joint has piston plate, piston plate lower surface is provided with projection.Easily occur tear and finish underproof problem when the utility model solves existing vulcanizate depanning, improve the assembling capacity and sealing property of product.
Description
Technical field
The utility model belongs to auto parts machinery production mould technical field, and in particular to a kind of vulcanization of rubber mould.
Background technology
With the development of auto industry, the structure of rubber parts becomes increasingly complex, the structure of corresponding rubber parts sulfurizing mould
Become increasingly complex.In the production process of vulcanizate, the whether excellent of Mould design and manufacturing is to determine production efficiency and production
One of principal element of quality, wherein mold design are well and badly a most key rings.At present, the problem of mould is present
Mainly have：
1st, during product sulfidization molding, first enters glue-line feeds for horizontal direction；After product sulfidization molding, at annular channel
Product intersection in remaining glue and product die cavity forms stress point, when product depanning is separated, and production is easily caused at stress point
There is necking and tear in product.
2nd, sprue is cylinder, and the strength for being applied to product is big, and easily product is torn along overlap in the demoulding.
Utility model content
The utility model purpose is：A kind of vulcanization of rubber mould is aimed to provide, existing common vulcanizate is solved and is going out
There is tear and the underproof problem of finish in Mo Shiyi, improves the assembling capacity and sealing property of product.
To realize above-mentioned technical purpose, the technical solution adopted in the utility model is as follows：
A kind of vulcanization of rubber mould, including lower mould, middle mould and upper mould, the lower mould upper surface are fixed with mandrel, it is described in
Offer manhole in mould, the manhole inwall is embedded with inserts, the mandrel upper end insertion inserts, the inserts with
Product die cavity is formed between mandrel, the middle mould upper surface offers bar shaped runner, and the upper mould upper surface offers charging chamber,
The charging chamber bottom surface offers three sprues, and the sprue is up-small and down-big circular cone structure, the upper mould following table
Face offers annular channel, and one of sprue is located at the surface of mandrel and two other sprue passes through bar shaped
Runner is communicated with annular channel, and the inwall of the annular channel is located within the inwall of inserts, and the upper surface of the inserts is located at
The inside of annular channel, glue-line is axially entered so as to be formed, and the upper mould upper surface mortise-tenon joint has under piston plate, the piston plate
Surface is provided with projection, and the projection is located in charging chamber.
Using the utility model of the technical program, in use, adding raw materials into charging chamber, then piston plate is pressed downward
Enter, raw material is entered into the raw material in sprue, the sprue of both sides from charging chamber internal pressure by projection passes sequentially through bar shaped runner, ring
Shape runner, axially enter glue-line and enter product type intracavitary, the raw material in middle sprue by upper mould bottom surface and mandrel top surface it
Between gap enter product type intracavitary, raw material product type intracavitary be molded, finally product is taken out.In the prior art, produce
When product are molded, raw material enters glue-line by radial direction and fed, after formed product, the product in remaining glue and product die cavity at annular channel
During separation, easily product is caused necking and tear occur at the second stress point；In addition, without insert in manhole, causes production
Product die cavity can only cast or be milled into, processing difficulties, and finish and precision be not high.And the reality of the technical program
With new, during formed product, raw material is fed by axially entering glue-line, after formed product, remaining glue and product type at annular channel
When product in chamber is separated, it is broken at the first stress point, product is not in necking and tear phenomenon；Sprue is by existing skill
The cylindrical structure of art is changed to circular cone structure, and the overlap drawing crack product along product can be effectively prevented in the demoulding；In circle
Shape through hole be embedded with the prior art without inserts, inserts can be by turnery processing, it is possible to increase the finish of product die cavity
And precision, the dimensional accuracy and finish of product can be effectively ensured.Such structure design, solves existing common vulcanization production
Product easily occur tear and the underproof problem of finish in depanning, improve the assembling capacity and sealing property of product.
Further limit, the inserts inwall is coated with layers of chrome.Such structure design, makes inner surface more smooth, product
The flaws such as bubble, burr will not be produced.
Further limit, the vertical section of the annular channel takes the shape of the letter U.Such structure design, water conservancy diversion effect is good.
Further limit, three sprues are linearly distributed.Such structure design, water conservancy diversion effect is good.
Further limit, the projection is rectangular parallelepiped structure.Such structure design, simple in construction, easy to process, binder
Effect is good.
Brief description of the drawings
The nonlimiting examples that the utility model can be provided by accompanying drawing are further illustrated；
Fig. 1 is a kind of broken section structural representation of vulcanization of rubber mould embodiment of the utility model；
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1；
Fig. 3 is the mplifying structure schematic diagram at B in Fig. 2；
Fig. 4 is the mplifying structure schematic diagram of prior art at B in Fig. 2；
Main element symbol description is as follows：
Upper mould 1, sprue 11, annular channel 12, axial direction enter glue-line 13, the first stress point 14, radially enter glue-line 15, second
Stress point 16, middle mould 2, product die cavity 21, bar shaped runner 22, lower mould 3, mandrel 31, piston plate 4, projection 41, inserts 5.
Embodiment
In order that the utility model may be better understood in those skilled in the art, it is right with reference to the accompanying drawings and examples
Technical solutions of the utility model are further illustrated.
As shown in Figure 1, Figure 2 and Figure 3, a kind of vulcanization of rubber mould of the present utility model, including lower mould 3, middle mould 2 and upper mould
1, the lower upper surface of mould 3, which is fixed with mandrel 31, middle mould 2, offers manhole, and manhole inwall is embedded with inserts 5, mandrel 31
In upper end insertion inserts 5, product die cavity 21 is formed between inserts 5 and mandrel 31, the middle upper surface of mould 2 offers bar shaped runner 22,
The upper upper surface of mould 1 offers charging chamber, and charging chamber bottom surface offers three sprues 11, and sprue 11 is up-small and down-big circular cone
Platform structure, the upper lower surface of mould 1 offers annular channel 12, and one of sprue 11 is located at the surface of mandrel 31 and in addition
Two sprues 11 are communicated by bar shaped runner 22 with annular channel 12, the inwall of annular channel 12 be located at the inwall of inserts 5 with
Interior, the upper surface of inserts 5 is located at the inside of annular channel 12, and glue-line 13, the upper upper surface mortise-tenon joint of mould 1 are axially entered so as to be formed
There is piston plate 4, the lower surface of piston plate 4 is provided with projection 41, and projection 41 is located in charging chamber.
In the present embodiment, in use, adding raw materials into charging chamber, then piston plate 4 is pressed downward to, passes through projection 41
Raw material is entered into the raw material in sprue 11, the sprue 11 of both sides from charging chamber internal pressure and passes sequentially through bar shaped runner 22, annular flow
Road 12, axial direction are entered glue-line 13 and entered in product die cavity 21, and the raw material in middle sprue 11 passes through the upper bottom surface of mould 1 and mandrel 31
Gap between top surface enters in product die cavity 21, and raw material is molded in product die cavity 21, finally takes out product.It is existing
In technology, as shown in figure 4, during formed product, raw material enters glue-line 15 by radial direction and fed, after formed product, at annular channel 11
Remaining glue and product die cavity 21 in product separation when, easily cause product necking and tear occur at the second stress point 16；
In addition, without insert 5 in manhole, cause product die cavity 21 to cast or be milled into, processing difficulties, and it is bright and clean
Degree and precision be not high.And the utility model of the technical program, during formed product, raw material is fed by axially entering glue-line 13, is produced
After product shaping, when the product in the remaining glue and product die cavity 21 at annular channel 11 is separated, it is broken at the first stress point 14, production
Product are not in necking and tear phenomenon；Sprue 11 is changed to circular cone structure by the cylindrical structure of prior art, in the demoulding
When can effectively prevent the overlap drawing crack product along product；Manhole be embedded with the prior art without inserts 5, it is embedding
Part 5 can be by turnery processing, it is possible to increase the finish and precision of product die cavity 21, and the dimensional accuracy of product can be effectively ensured
And finish.Such structure design, solves existing common vulcanizate and easily occurs tearing in depanning not conforming to finish
The problem of lattice, improve the assembling capacity and sealing property of product.
It is preferred that the inwall of inserts 5 is coated with layers of chrome.Such structure design, makes inner surface more smooth, and product will not produce gas
The flaws such as bubble, burr.In fact, can also specifically consider to make product not produce the flaws such as bubble, burr as the case may be
Mode.
It is preferred that the vertical section of annular channel 12 takes the shape of the letter U.Such structure design, water conservancy diversion effect is good.In fact, can also root
The structure of other annular channels 12 is selected according to concrete condition.
It is preferred that three sprues 11 are linearly distributed.Such structure design, water conservancy diversion effect is good.In fact, can also root
The distribution form of three sprues 11 is specifically considered according to concrete condition.
It is preferred that projection 41 is rectangular parallelepiped structure.Such structure design, simple in construction, easy to process, binder effect is good.It is real
On border, the structure of projection 41 can also be specifically considered as the case may be.
A kind of vulcanization of rubber mould that the utility model is provided is described in detail above.The explanation of specific embodiment
It is only intended to help and understands method of the present utility model and its core concept.It should be pointed out that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvement can also be carried out to the utility model and are repaiied
Decorations, these are improved and modification is also fallen into the utility model scope of the claims.
Claims (5)
1. a kind of vulcanization of rubber mould, including lower mould (3), middle mould (2) and upper mould (1), it is characterised in that：On the lower mould (3)
Surface is fixed with mandrel (31), the middle mould (2) and offers manhole, and the manhole inwall is embedded with inserts (5), institute
State in mandrel (31) upper end insertion inserts (5), formation product die cavity (21) between the inserts (5) and mandrel (31), it is described in
Mould (2) upper surface offers bar shaped runner (22), and upper mould (1) upper surface offers charging chamber, and the charging chamber bottom surface is opened
Provided with three sprues (11), the sprue (11) is up-small and down-big circular cone structure, and upper mould (1) lower surface is opened up
There is annular channel (12), one of them described sprue (11) is located at the surface of mandrel (31) and two other sprue
(11) communicated by bar shaped runner (22) with annular channel (12), the inwall of the annular channel (12) is located at the interior of inserts (5)
Within wall, the upper surface of the inserts (5) is located at the inside of annular channel (12), and glue-line (13) is axially entered so as to be formed, described
Upper mould (1) upper surface mortise-tenon joint has piston plate (4), and piston plate (4) lower surface is provided with projection (41), the projection
(41) it is located in charging chamber.
2. a kind of vulcanization of rubber mould according to claim 1, it is characterised in that：Inserts (5) inwall is coated with layers of chrome.
3. a kind of vulcanization of rubber mould according to claim 2, it is characterised in that：The vertical section of the annular channel (12)
Take the shape of the letter U.
4. a kind of vulcanization of rubber mould according to claim 3, it is characterised in that：Three sprues (11) are linearly
Distribution.
5. a kind of vulcanization of rubber mould according to claim 4, it is characterised in that：The projection (41) is cuboid knot
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720152690.1U CN206501319U (en) | 2017-02-20 | 2017-02-20 | A kind of vulcanization of rubber mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720152690.1U CN206501319U (en) | 2017-02-20 | 2017-02-20 | A kind of vulcanization of rubber mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206501319U true CN206501319U (en) | 2017-09-19 |
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ID=59833979
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720152690.1U Active CN206501319U (en) | 2017-02-20 | 2017-02-20 | A kind of vulcanization of rubber mould |
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| Country | Link |
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| CN (1) | CN206501319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669977A (en) * | 2022-04-28 | 2022-06-28 | 湖北华强科技股份有限公司 | New crown vaccine film-coated bottle stopper vulcanization mold and manufacturing method |
-
2017
- 2017-02-20 CN CN201720152690.1U patent/CN206501319U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669977A (en) * | 2022-04-28 | 2022-06-28 | 湖北华强科技股份有限公司 | New crown vaccine film-coated bottle stopper vulcanization mold and manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 408000, No. 6, long Hong Road, Fuling District, Chongqing Patentee after: Chongqing Li Jie Sealing Technology Co., Ltd. Address before: 400020 Chongqing City, South Bank district Rose Road, No. 17 Patentee before: CHONGQING JUNLI AUTOMOBILE FITTINGS CO., LTD. |
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| CP03 | Change of name, title or address |