CN214562409U - High-temperature vulcanized silicone rubber hot-pressing mold - Google Patents
High-temperature vulcanized silicone rubber hot-pressing mold Download PDFInfo
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- CN214562409U CN214562409U CN202120553285.7U CN202120553285U CN214562409U CN 214562409 U CN214562409 U CN 214562409U CN 202120553285 U CN202120553285 U CN 202120553285U CN 214562409 U CN214562409 U CN 214562409U
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Abstract
The utility model discloses a high temperature vulcanizes silicon rubber heated press mold, including cope match-plate pattern and lower bolster: the heating device is characterized in that an upper groove is formed in the lower surface of the upper template, a heating chamber is arranged inside the upper template, a plurality of electric heating tubes are arranged on the inner wall of the heating chamber, a heat collecting assembly for preventing heat from dissipating outwards is arranged on the inner wall of the heating chamber and above the electric heating tubes, and a lower groove is formed in the upper surface of the lower template. The utility model discloses in, this hot pressing mould adopts the direct hot pressing processing of upper and lower template to handle, avoids taking place the gliding phenomenon in mould long-time use back to the heat gathering effect that combines to gather hot subassembly can carry out efficient high temperature hot pressing to spherical vulcanized silicone rubber product, reduces the thermal scattering and disappearing rate of high temperature, ensures that ball star vulcanized silicone rubber can be by efficient hot briquetting.
Description
Technical Field
The utility model relates to a hot pressing die technical field especially relates to a high temperature vulcanizes silicon rubber hot pressing mould.
Background
The hot press molding is a simple and common molding method in the high-temperature vulcanized silicone rubber molding, after a mold is heated, a sizing material is put in a mold cavity, the mold is placed between heating plates, and heat preservation is carried out for a certain time under a certain pressure, so that the high-temperature vulcanized silicone rubber finishes the vulcanization process, and a product with the required shape and size is obtained, and the production and processing requirements of the vulcanized silicone rubber are met.
Chinese patent publication No.: CN210190290U discloses "a solid state vulcanization forming die is used in silica gel cover processing", the on-line screen storage device comprises a base, be fixed with the lower mould on the base, the pressfitting has last mould on the lower mould, set up the location guide pin bushing in the lower mould, it is equipped with the location guide pillar to go up the mould and insert, just location guide pillar one end inlays to be located the location guide pin bushing, upward be provided with the core in the mould, set up the die cavity in the lower mould, just the core with correspond the setting between the die cavity, core one end with ejector pin fixed connection, ejector pin end and push pedal fixed connection, go up the mould with the lower mould junction still pegs graft and have movable core strip, the push pedal pass through the push pedal slide rail with movable core strip sliding connection, push pedal one end still is connected with the push pedal buckle.
However, in the patent, when the mold applies pressure, the upper mold sheet and the lower mold sheet are easy to slide, which affects the sealing performance of the mold and causes the overflow of the sizing material, thereby reducing the quality of the product.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an improve upper and lower template connection stability, realize a high-temperature silicon sulfide rubber hot pressing mould of high-efficient high temperature hot pressing.
In order to achieve the above object, the present invention provides the following technical solutions: a high-temperature vulcanized silicone rubber hot-pressing mold comprises an upper template and a lower template:
the lower surface of the upper template is provided with an upper groove;
a heating chamber is arranged in the upper template, and a plurality of electric heating pipes are arranged on the inner wall of the heating chamber;
a heat collecting component for preventing heat from dissipating outwards is arranged on the inner wall of the heating chamber and above the electric heating tube;
the upper surface of the lower template is provided with a lower groove.
As a further description of the above technical solution:
gather hot subassembly and include a heat-collecting plate, be provided with the heat-collecting cover that a plurality of arch-shaped upwards on the heat-collecting plate, the both ends of heat-collecting plate all are provided with the support, and the support is contradicted with the inner wall of heating chamber.
As a further description of the above technical solution:
the cross section of the heat collecting cover is of an arc-shaped structure, and the heat collecting covers correspond to the electric heating pipes one by one.
As a further description of the above technical solution:
the inner wall of the heating chamber is embedded with a sealing plate, and the sealing plate and the upper surface of the upper template are positioned on the same plane.
As a further description of the above technical solution:
and upper fastening pins are arranged at the symmetrical corners of the upper template and connected with a die driving mechanism.
As a further description of the above technical solution:
and lower fastening pins are arranged at the symmetrical corners of the lower template and are connected with the die fixing mechanism.
As a further description of the above technical solution:
the two sides of the upper template are symmetrically provided with convex parts, and the two sides of the lower template are symmetrically provided with concave parts;
the upper template is connected with the lower template through the embedded clamping connection of the convex part and the concave part.
As a further description of the above technical solution:
and anti-sticking films are arranged on the inner walls of the upper groove and the lower groove.
In the technical scheme, the utility model provides a pair of high temperature vulcanize silicon rubber hot pressing mould has following beneficial effect:
this hot pressing mould adopts the direct hot pressing processing of upper and lower template to handle, avoids taking place the gliding phenomenon of mould long-time back of using to combine to gather the heat effect of hot subassembly, can carry out efficient high temperature hot pressing to spherical vulcanized silicone rubber product, reduce the thermal scattering and disappearing rate of high temperature, ensure that ball star vulcanized silicone rubber can be by efficient hot briquetting.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural view of a high-temperature vulcanized silicone rubber hot-pressing mold provided in an embodiment of the present invention;
fig. 2 is a schematic view of a lower surface structure of an upper template according to an embodiment of the present invention;
fig. 3 is a schematic view of an internal structure of an upper template according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a heat collecting assembly according to an embodiment of the present invention.
Description of reference numerals:
1. a lower template; 2. a lower groove; 3. a lower fastening pin; 4. a recessed portion; 5. mounting a template; 51. a heating chamber; 52. a heat collecting assembly; 521. a heat collecting cover; 522. a heat collection plate; 523. a support; 53. an electric heating tube; 6. an upper fastening pin; 7. closing the plate; 8. a boss portion; 9. an upper groove; 10. and (3) an anti-adhesion film.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, a high-temperature vulcanized silicone rubber hot-pressing mold comprises an upper template 5 and a lower template 1:
the lower surface of the upper template 5 is provided with an upper groove 9;
a heating chamber 51 is arranged in the upper template 5, and a plurality of electric heating pipes 53 are arranged on the inner wall of the heating chamber 51;
a heat collecting component 52 for preventing heat from dissipating outwards is arranged on the inner wall of the heating chamber 51 and above the electric heating tube 53;
the upper surface of the lower template 1 is provided with a lower groove 2.
In this embodiment, install cope match-plate pattern 5 on the actuating mechanism of mould, lower bolster 1 is installed on the fixed establishment of mould, place spherical vulcanized silicone rubber in lower groove 2, when cope match-plate pattern 5 atress moves down and contacts the closure with lower bolster 1, the clamping action of cooperation upper groove 9 can carry out extrusion treatment to spherical vulcanized silicone rubber, electrothermal tube 53 working heat simultaneously, under the effect of gathering heat of gathering hot subassembly 52, make high temperature heat gather in heating chamber 51 to carry out warm hot pressing treatment to spherical vulcanized silicone rubber, thereby ensure that ball star vulcanized silicone rubber can be by efficient hot briquetting.
As shown in fig. 3 and 4, the heat collecting assembly 52 includes a heat collecting plate 522, a plurality of heat collecting covers 521 which are arched upwards are disposed on the heat collecting plate 522, brackets 523 are disposed at both ends of the heat collecting plate 522, and the brackets 523 abut against the inner wall of the heating chamber 51, so that heat generated by the electric heating tube 53 flows upwards and enters the heat collecting covers 521, and is guided downwards by the arc heat collecting covers 521, so that the heat flows in the heating chamber 51 in a circulating manner, thereby performing efficient hot-pressing treatment on the vulcanized silicone rubber.
As shown in fig. 3 and 4, the cross section of the heat collecting cover 521 is an arc-shaped structure, and the plurality of heat collecting covers 521 correspond to the plurality of electric heating tubes 53 one by one, so that the heat generated by each electric heating tube 53 can be independently collected by the corresponding heat collecting cover 521, and a high-temperature and high-efficiency heating environment can be created in the heating chamber 51.
As shown in fig. 3, a sealing plate 7 is embedded in the inner wall of the heating chamber 51, and the sealing plate 7 is flush with the upper surface of the upper mold plate 5, so that the components in the heating chamber 51 can be conveniently maintained or replaced, and the flexibility of the disassembly, assembly and maintenance of the mold can be improved.
As shown in fig. 2, upper fastening pins 6 are disposed at symmetrical corners of the upper mold plate 5, and the upper fastening pins 6 are connected to a mold driving mechanism to ensure the connection stability of the upper mold plate 5.
As shown in fig. 1, the symmetrical corners of the lower template 1 are provided with lower fastening pins 3, and the lower fastening pins 3 are connected with the mold fixing mechanism, so as to ensure the connection stability of the lower template 1.
As shown in fig. 1, the bilateral symmetry of cope match-plate pattern 5 is provided with bellying 8, the bilateral symmetry of lower bolster 1 is equipped with depressed part 4, through the embedded joint of bellying 8 with depressed part 4, be connected cope match-plate pattern 5 with lower bolster 1, can make in the bellying 8 imbeds in the depressed part 4 when cope match-plate pattern 5 and lower bolster 1 contact closure, play the effect of spacing centre gripping to cope match-plate pattern 5 and lower bolster 1, prevent that cope match-plate pattern 5 and lower bolster 1 from taking place the phenomenon of mutual slip, the hot pressing stability of mould has been improved.
As shown in fig. 2, the inner walls of the upper groove 9 and the lower groove 2 are provided with anti-sticking films 10, the anti-sticking films 10 are made of polyimide thin materials, protective layers can be formed in the grooves, and the situation that vulcanized silicone rubber is stuck to the inner walls of the grooves after hot pressing and cannot be taken down quickly and conveniently is prevented.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a high temperature vulcanize silicon rubber heated press mold, includes cope match-plate pattern (5) and lower bolster (1), its characterized in that:
an upper groove (9) is formed in the lower surface of the upper template (5);
a heating chamber (51) is arranged in the upper template (5), and a plurality of electric heating pipes (53) are arranged on the inner wall of the heating chamber (51);
a heat collecting component (52) for preventing heat from dissipating outwards is arranged on the inner wall of the heating chamber (51) and above the electric heating pipe (53);
the upper surface of the lower template (1) is provided with a lower groove (2).
2. A high temperature vulcanized silicone rubber hot press mold as defined in claim 1, wherein: the heat collecting assembly (52) comprises a heat collecting plate (522), a plurality of heat collecting covers (521) which are arched upwards are arranged on the heat collecting plate (522), supports (523) are arranged at two ends of the heat collecting plate (522), and the supports (523) are abutted to the inner wall of the heating chamber (51).
3. A high temperature vulcanized silicone rubber hot press mold as defined in claim 2, wherein: the cross section of the heat collecting cover (521) is of an arc-shaped structure, and the heat collecting covers (521) correspond to the electric heating pipes (53) one by one.
4. A high temperature vulcanized silicone rubber hot press mold as defined in claim 1, wherein: the inner wall of the heating chamber (51) is embedded with a sealing plate (7), and the sealing plate (7) and the upper surface of the upper template (5) are in the same plane.
5. A high temperature vulcanized silicone rubber hot press mold as defined in claim 1, wherein: and upper fastening pins (6) are arranged at symmetrical corners of the upper template (5), and the upper fastening pins (6) are connected with a die driving mechanism.
6. A high temperature vulcanized silicone rubber hot press mold as defined in claim 1, wherein: and lower fastening pins (3) are arranged at symmetrical corners of the lower template (1), and the lower fastening pins (3) are connected with a die fixing mechanism.
7. A high temperature vulcanized silicone rubber hot press mold as defined in claim 1, wherein: the two sides of the upper template (5) are symmetrically provided with convex parts (8), and the two sides of the lower template (1) are symmetrically provided with concave parts (4);
the upper template (5) is connected with the lower template (1) through the embedded clamping connection of the convex part (8) and the concave part (4).
8. A high temperature vulcanized silicone rubber hot press mold as defined in claim 1, wherein: the inner walls of the upper groove (9) and the lower groove (2) are provided with anti-sticking films (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120553285.7U CN214562409U (en) | 2021-03-18 | 2021-03-18 | High-temperature vulcanized silicone rubber hot-pressing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120553285.7U CN214562409U (en) | 2021-03-18 | 2021-03-18 | High-temperature vulcanized silicone rubber hot-pressing mold |
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| CN214562409U true CN214562409U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120553285.7U Active CN214562409U (en) | 2021-03-18 | 2021-03-18 | High-temperature vulcanized silicone rubber hot-pressing mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157495A (en) * | 2022-06-16 | 2022-10-11 | 安徽天航机电有限公司 | Thin-wall high-precision rubber part forming method and device |
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2021
- 2021-03-18 CN CN202120553285.7U patent/CN214562409U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157495A (en) * | 2022-06-16 | 2022-10-11 | 安徽天航机电有限公司 | Thin-wall high-precision rubber part forming method and device |
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