CN109016445B - Extrusion type inner fluorine outer silicone tube forming die - Google Patents
Extrusion type inner fluorine outer silicone tube forming die Download PDFInfo
- Publication number
- CN109016445B CN109016445B CN201810994649.8A CN201810994649A CN109016445B CN 109016445 B CN109016445 B CN 109016445B CN 201810994649 A CN201810994649 A CN 201810994649A CN 109016445 B CN109016445 B CN 109016445B
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- fixedly connected
- groove
- silicone tube
- block
- piece
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/70—Maintenance
- B29C33/72—Cleaning
Abstract
The invention discloses an extrusion type inner fluorine outer silicone tube forming die which comprises a die body, wherein a feeding cavity is formed in the right side of the die body, an arc-shaped cavity is communicated with the top and the bottom of the left side of the inner surface of the feeding cavity, a first flow dividing block is arranged in the middle of the left side of the inner surface of the feeding cavity, two placing grooves are formed in the left side of the die body, a mouth die is fixedly connected to the inner surface of each placing groove, a die core is fixedly connected to the right side of the inner surface of each placing groove, and the top and the bottom of the left side of the arc-shaped cavity are communicated with the feeding grooves. This extrusion type internal fluorine outer silicone tube forming die can wash the bush inner wall and inside whole mould, has prolonged the life of mould subassembly, and easy operation, convenient to use, and the while continues to heat the inside of mould through the hot plate, guarantees that plastics keep molten state always, guarantees the quality of silicone tube's production, has improved the qualification rate of silicone tube production.
Description
Technical Field
The invention relates to the technical field of silicone tubes, in particular to an extrusion type inner fluorine outer silicone tube forming die.
Background
Silicone tubes are flow-through and coated carriers for liquids, gases, and other materials. In the industry, silicone rubber tubes can be divided into extrusion tubes and special-shaped tube strips. The silicone tube is prepared by adding raw silicone rubber into a double-roller rubber mixing mill or a closed kneader, gradually adding white carbon black and other auxiliary agents, repeatedly refining uniformly, and extruding according to the technical standard of industrial products. The conductive silicon rubber can be used in the electronic industry, is a novel high-molecular elastic material, has excellent high temperature resistance and low temperature resistance, has good physiological stability, can withstand repeated harsh and disinfection conditions, has excellent rebound resilience and permanent deformation, and has breakdown voltage of (20-25 KV/mm), ozone resistance and ultraviolet resistance.
The silicone tube is widely applied, plastic in a viscous state is generally passed through a die with a specific cross section shape under high temperature and high pressure by an extrusion die in silicone tube production, and is subjected to cooling molding, wherein problems still exist, when the plastic in a molten state enters the die, the plastic cannot be heated to maintain the temperature, the molten plastic can be slightly cooled to influence the quality of the silicone tube, and after the die is used, the plastic remains on the inner wall of the die, and is cooled and stuck on the die, so that the silicone tube is not easy to clean. Therefore, a person skilled in the art provides an extrusion type inner fluorine outer silicone tube forming die to solve the problems in the prior art.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides an extrusion type inner fluorine outer silicone tube forming die.
The invention provides an extrusion type inner fluorine outer silicone tube forming die which comprises a die body, wherein a feeding cavity is formed in the right side of the die body, an arc-shaped cavity is formed in the top and the bottom of the left side of the inner surface of the feeding cavity, a first flow dividing block is arranged in the middle of the left side of the inner surface of the feeding cavity, two placing grooves are formed in the left side of the die body, a neck die is fixedly connected to the inner surface of each placing groove, a die core is fixedly connected to the right side of the inner surface of each placing groove, a feeding groove is formed in the top and the bottom of the left side of the arc-shaped cavity, a second flow dividing block is fixedly connected to the middle of the left side of the arc-shaped cavity, a heating groove is formed in the inner side of the die body, a heating plate is arranged at the bottom of the inner surface of the heating groove, a water inlet groove is formed in the top and the bottom of the left side of the die body, a limiting rod is rotatably connected to the left side and right side of the water inlet groove, a driving rod is fixedly connected to the middle of the top of the pulling block, an extruding block is fixedly connected to the bottom of the top of the pulling block, connecting rods are fixedly connected to the left and right sides of the extruding block, the bottom of the connecting rods are fixedly connected to the bottom ends of the connecting rods, a heating block is fixedly connected to the convex blocks, and one side of the convex blocks is provided with a concave groove, and matched with a groove.
As a further scheme of the invention: the inner surface of the feed chute is communicated with the inner surface of the placing chute, and a second current dividing block is fixedly connected in the middle of the left side of the inner surface of the arc-shaped cavity.
As still further aspects of the invention: the upper and lower both sides of first reposition of redundant personnel piece and second reposition of redundant personnel piece all set up to the wedge, and the left side fixed mounting of mould body has the cooling module.
As still further aspects of the invention: limiting blocks are fixedly connected to the left side and the right side of the top of the surface of the limiting rod, and clamping grooves matched with the limiting rod are formed in the two sides of the pulling block.
As still further aspects of the invention: the left side and the right side of draw-in groove internal surface all communicate the spacing groove with stopper looks adaptation, and first elastic component has been cup jointed on the surface of gag lever post.
As still further aspects of the invention: the top fixedly connected with dog of connecting rod, between extrusion piece and the protruding font piece and be located the fixed surface of connecting rod and be connected with the second elastic component.
Compared with the prior art, the invention has the beneficial effects that:
1. through rotating the gag lever post, the gag lever post drives the stopper rotation and corresponds with the spacing groove on the pulling block, upwards pull the pulling block, the pulling block drives the extrusion piece through the drive pole and upwards moves, the drive pole passes through the connecting rod and drives protruding font piece and upwards move, shift out the intake chute, open the plastics heating melting that the hot plate will adhere on the bush inner wall and on feeding cavity, arc cavity and the feed chute this moment, be connected water pipe and intake chute, wash inside bush and the whole mould body of water injection entry mould, draw-in groove and spacing groove on the pulling block correspond with gag lever post and stopper and insert after wasing, shift out the pulling block when the stopper, rotate the gag lever post and carry out spacingly to the pulling block, wherein extrusion piece extrusion second elastic component, the protruding font piece of second elastic component extrusion compresses tightly fixedly to it, can wash inside bush inner wall and the whole mould, the life of mould subassembly has been prolonged, and easy operation, and convenient use.
2. The plastic in a molten state is split through the first split block to be respectively fed into the two arc-shaped cavities, the arc-shaped cavities are arc-shaped, pressurization is achieved, molding of the silicone tube is facilitated, the two arc-shaped cavities correspond to the two dies, two silicone tubes can be produced at one time, production efficiency of the silicone tube is improved, when the plastic in the molten state is fed into the inside of the feeding cavity, the inside of the die body is heated continuously through the heating plate, the plastic is guaranteed to be always kept in a molten state, production quality of the silicone tube is guaranteed, and qualification rate of production of the silicone tube is improved.
Drawings
Fig. 1 is a schematic structural diagram of an extrusion type inner fluorine outer silicone tube forming die as a whole.
Fig. 2 is an enlarged view of a portion a of fig. 1 of an extrusion type inner fluorine outer silicone tube molding die.
Fig. 3 is an enlarged view of the extrusion type inner fluorine outer silicone tube forming die at B in fig. 1.
Fig. 4 is a partial top view of a pulling block in an extrusion type inner fluorine outer silicone tube forming die.
In the figure: the die comprises a 1-die body, a 2-feeding cavity, a 3-first flow dividing block, a 4-arc-shaped cavity, a 5-second flow dividing block, a 6-neck die, a 7-die core, an 8-heating groove, a 9-heating plate, a 10-feeding groove, an 11-water inlet groove, a 12-pulling block, a 13-driving rod, a 14-limiting rod, a 15-limiting block, a 16-first elastic piece, a 17-convex-shaped block, a 18-groove, a 19-connecting rod, a 20-extrusion block, a 21-second elastic piece, a 22-clamping groove, a 23-limiting groove, a 24-cooling module and a 25-placing groove.
Detailed Description
As shown in fig. 1-4, the extrusion type inner fluorine outer silicone tube forming die provided by the invention comprises a die body 1, wherein a feeding cavity 2 is formed on the right side of the die body 1, an arc-shaped cavity 4 is communicated with the top and the bottom of the left side of the inner surface of the feeding cavity 2, the arc-shaped cavity 4 is in an arc shape, the pressure can be increased, the forming of a silicone tube is facilitated, a first flow dividing block 3 is arranged in the middle of the left side of the inner surface of the feeding cavity 2, two placing grooves 25 are formed on the left side of the die body 1, a mouth die 6 is fixedly connected to the inner surface of the placing grooves 25, a die core 7 is fixedly connected to the right side of the inner surface of the placing grooves 25, a feeding groove 10 is communicated with the top and the bottom of the left side of the arc-shaped cavity 4, a second flow dividing block 5 is fixedly connected to the middle of the left side of the arc-shaped cavity 4, a heating groove 8 is formed in the inner surface of the die body 1, a heating plate 9 is arranged at the bottom of the inner surface of the heating groove 8, the heating plate 9 is provided with an electric heating wire, the top and the bottom of the left side of the die body 1 are respectively provided with a water inlet groove 11, the water inlet grooves 11 are wide in upper part and narrow in lower part, water pressure can be increased, flushing is facilitated, the top and the bottom of the die body 1 are respectively and rotationally connected with a limiting rod 14 positioned on the left side and the right side of the water inlet grooves 11, the limiting rods 14 are sleeved with pulling blocks 12, the middle of the top of each pulling block 12 is fixedly connected with a driving rod 13, the bottom of each driving rod 13 is fixedly connected with a squeezing block 20, the left side and the right side of each squeezing block 20 are respectively penetrated by a connecting rod 19, the bottom of each connecting rod 19 is fixedly connected with a convex block 17, one side of the die 6 is provided with a groove 18 matched with the convex block 17, the inner surface of the feed groove 10 is communicated with the inner surface of the placing groove 25, the middle of the left side of the inner surface of the arc cavity 4 is fixedly connected with a second flow dividing block 5, the upper and lower both sides of first reposition of redundant personnel piece 3 and second reposition of redundant personnel piece 5 all set up to the wedge, the wedge is favorable to the reposition of redundant personnel to remain molten plastics simultaneously, the left side fixed mounting of mould body 1 has cooling module 24, cooling module 24 is inside to the fashioned silica gel cabinet cooling shaping through the water-cooling, the equal fixedly connected with stopper 15 in left and right sides at gag lever post 14 surface top, draw-in groove 22 with gag lever post 14 looks adaptation has all been seted up to the both sides of pulling piece 12, the left and right sides of draw-in groove 22 internal surface all communicates the spacing groove 23 with stopper 15 looks adaptation, first elastic component 16 has been cup jointed on the surface of gag lever post 14, the top fixedly connected with dog of connecting rod 19, and be located between extrusion piece 20 and the protruding font piece 17 and the fixedly connected with second elastic component 21 of surface of connecting rod 19.
The working principle of the invention is as follows: the die body 1 is fixedly arranged on the extruder and is tightly connected with a charging barrel of the extruder, the plastic in a molten state is pressed into the feeding cavity 2 through the extruder, the plastic in the molten state is split by the first split block 3 and respectively enters into the two arc-shaped cavities 4, the arc-shaped cavities 4 are arc-shaped, the pressure can be increased, the molding of a silicone tube is facilitated, the second split block 5 respectively enters into the inside of the neck mold 6 through the feeding groove 10 to be molded, then enters into the cooling module 24 to be cooled and shaped, two silicone tubes can be produced at one time, and when the plastic in the molten state enters into the feeding cavity 2, the inside of the die body 1 is continuously heated through the heating plate 9, the plastic is ensured to be always kept in a molten state, the production quality of the silicone tube is ensured, after the production is finished, the limiting rod 14 is rotated, the limiting rod 14 drives the limiting block 15 to rotate and corresponds to the limiting groove 23 on the pulling block 12, the first elastic piece 16 upwards bounces the pulling block 12, the pulling block 12 upwards pulls the extruding block 20 upwards through the driving rod 13, the driving rod 13 drives the convex-shaped block 17 upwards through the connecting rod 19 to move out of the water inlet groove 11, at the moment, the heating plate 9 is started to heat and melt plastics adhered on the inner wall of the neck mold 6 and the feeding cavity 2, the arc-shaped cavity 4 and the feeding groove 10, a water pipe is connected with the water inlet groove 11, the neck mold and the whole mold body 1 are cleaned inside the water injection neck mold 6, the clamping groove 22 and the limiting groove 23 on the pulling block 12 are correspondingly inserted with the limiting rod 14 and the limiting block 15 after cleaning, the pulling block 12 is downwards moved, when the limiting block 15 is moved out of the pulling block 12, the limiting rod 14 is rotated to limit the pulling block 12, the extruding block 20 extrudes the second elastic piece 21, the second elastic member 21 presses the convex block 17 to be pressed and fixed.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (5)
1. The utility model provides an extrusion type internal fluorine outer silicone tube forming die, which comprises a die body (1), and a serial communication port, feeding cavity (2) have been seted up on the right side of mould body (1), feeding cavity (2) left top and bottom all are linked together there is arc cavity (4), feeding cavity (2) left centre is provided with first reposition of redundant personnel piece (3), two standing grooves (25) have been seted up on the left side of mould body (1), fixedly connected with bush (6) on the internal surface of standing groove (25), right side fixedly connected with mold core (7) of standing groove (25) internal surface, the top and the bottom of arc cavity (4) left side all are linked together there is feed groove (10), feed groove (10) internal surface and the internal surface intercommunication of standing groove (25), arc cavity (4) left centre fixedly connected with second reposition of redundant personnel piece (5), heating groove (8) have been seted up in the centre of mould body (1), heating groove (8) internal surface's bottom is provided with hot plate (9), top and bottom of mould body (1) left side all are seted up on the internal surface has been offered on the bottom, feed groove (11) and feed groove (14) are all linked together with feed groove (14) on the left side of drawing groove (14), the middle fixedly connected with that pulls piece (12) top drives pole (13), and the bottom fixedly connected with extrusion piece (20) that drives pole (13), the left and right sides of extrusion piece (20) all runs through have connecting rod (19), and the bottom fixedly connected with of connecting rod (19) is protruding font piece (17), and recess (18) with protruding font piece (17) looks adaptation are seted up to one side of bush (6).
2. The extrusion type inner fluorine outer silicone tube forming die according to claim 1, wherein the upper side and the lower side of the first flow dividing block (3) and the second flow dividing block (5) are both wedge-shaped, and a cooling module (24) is fixedly arranged on the left side of the die body (1).
3. The extrusion type inner fluorine outer silicone tube forming die according to claim 1, wherein limiting blocks (15) are fixedly connected to the left side and the right side of the top of the surface of the limiting rod (14), and clamping grooves (22) matched with the limiting rod (14) are formed in the two sides of the pulling block (12).
4. The extrusion type inner fluorine outer silicone tube forming die according to claim 1, wherein the left side and the right side of the inner surface of the clamping groove (22) are respectively communicated with a limiting groove (23) matched with the limiting block (15), and the surface of the limiting rod (14) is sleeved with the first elastic piece (16).
5. The extrusion type inner fluorine outer silicone tube forming die according to claim 1, wherein a stop block is fixedly connected to the top of the connecting rod (19), and a second elastic piece (21) is fixedly connected to the surface between the extrusion block (20) and the convex block (17) and located on the connecting rod (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810994649.8A CN109016445B (en) | 2018-08-29 | 2018-08-29 | Extrusion type inner fluorine outer silicone tube forming die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810994649.8A CN109016445B (en) | 2018-08-29 | 2018-08-29 | Extrusion type inner fluorine outer silicone tube forming die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109016445A CN109016445A (en) | 2018-12-18 |
| CN109016445B true CN109016445B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810994649.8A Active CN109016445B (en) | 2018-08-29 | 2018-08-29 | Extrusion type inner fluorine outer silicone tube forming die |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114179350A (en) * | 2021-06-25 | 2022-03-15 | 江苏金氟隆防腐设备有限公司 | Isobaric forming process for internal and external hydraulic fluorine lining pipes |
| CN114192101B (en) * | 2021-11-25 | 2023-04-21 | 江苏正迈过滤技术有限公司 | Novel filter packing and production is with compound mould thereof |
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|---|---|
| CN109016445A (en) | 2018-12-18 |
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Address after: No.9 MaoWan Road, heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Applicant after: Anhui tesitong Pipeline Technology Co.,Ltd. Address before: No.9 MaoWan Road, heli Park, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province Applicant before: ANHUI ZHONGDING RUBBER PIPE PRODUCTS CO.,LTD. |
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