CN217169676U

CN217169676U - Forming die is used in production of self-winding silicone rubber tube

Info

Publication number: CN217169676U
Application number: CN202123378776.1U
Authority: CN
Inventors: 朱小勇; 金家骏; 杨翠娟; 周红俊
Original assignee: Suzhou Volsun Electronics Technology Co ltd
Current assignee: Suzhou Volsun Electronics Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-12
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a from formula of book silicone rubber tube production forming die, including extrusion pipe and mold core, the inboard of extrusion pipe is provided with extrudes the cavity, the one end of extrusion pipe is provided with the end cover, the lower extreme of end cover is provided with the inlet pipe, the one end of inlet pipe with extrude the cavity intercommunication, the extrusion pipe is provided with adjustment mechanism in the upper end of extruding the cavity, the one end of mold core is passed the end cover setting and is extruding in the cavity, the inboard of mold core is provided with the installation cavity, and is provided with the conveyer pipe through the mount in the installation cavity, form circulation channel between the inner wall of conveyer pipe and mold core, the one end that the conveyer pipe is close to the extrusion pipe sets up to the opening. The utility model discloses an gasbag and compression spring cooperation to the control regulating plate is in extruding the position in the cavity, adjusts the expansion length of silicone rubber tube, and then carries out quick adjustment to the diameter of the silicone rubber tube after the rolling, and simple structure, whole convenient to use is swift.

Description

Forming die is used in production of self-winding silicone rubber tube

Technical Field

The utility model relates to a from the relevant technical field of formula of book silicone rubber tube production, specifically be a from formula of book silicone rubber tube production forming die.

Background

Silicone rubber tubing, particularly for 35KV cables, is a common fitting in power transmission lines and requires pre-forming in the factory. The conventional manufacturing process is injection molding on an injection mold, and a molding mold is required during the injection molding.

The silicone rubber tubes produced by the existing silicone rubber tube forming die are all of fixed diameters, and the diameters of the silicone rubber tubes cannot be adjusted in the actual production process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from formula of book silicone rubber tube production with forming die to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from formula of book silicone rubber tube production forming die, includes extrusion pipe and mold core, the inboard of extrusion pipe is provided with extrudes the cavity, the one end of extrusion pipe is provided with the end cover, the lower extreme of end cover is provided with the inlet pipe, the one end of inlet pipe with extrude the cavity intercommunication, the extrusion pipe is provided with adjustment mechanism in the upper end of extruding the cavity, the one end of mold core is passed the end cover setting and is being extruded in the cavity, the inboard of mold core is provided with the installation cavity, and is provided with the conveyer pipe through the mount in the installation cavity, form circulation channel between the inner wall of conveyer pipe and mold core, the conveyer pipe be close to the one end of extrusion pipe and set up to the opening, and with circulation channel intercommunication, the end department of conveyer pipe is provided with the water inlet, the end department of mold core is provided with the delivery port.

As a further preferred of this technical scheme, adjustment mechanism includes arc connecting block, arc connecting rod, regulating plate and gasbag, the arc connecting block sets up in the extrusion cavity, the surface of arc connecting block respectively with the surface of mold core, the inner wall fixed connection of extrusion pipe, a plurality of mounting holes have been seted up to the equidistance on the arc connecting block, the arc connecting rod sets up to two sets of, and is two sets of the arc connecting rod sets up the both sides at the arc connecting block respectively, the mounting hole is passed to the end department of arc connecting rod, the regulating plate is provided with two, two the upper surface of regulating plate respectively with the end department fixed connection of two sets of arc connecting rods, the gasbag sets up the upper surface at the regulating plate, the upper end of gasbag is provided with the breather pipe, the extrusion pipe is run through to the upper end of breather pipe.

As a further preferred aspect of the present invention, both side surfaces of the adjustment plate are respectively abutted against the surface of the mold core and the inner wall of the extrusion tube.

As a further preferred of this technical scheme, the end department of arc connecting rod is provided with stopper, compression spring in the mounting hole outside, compression spring overlaps the outside at the arc connecting rod, compression spring's both ends respectively with stopper, arc connecting block butt.

As a further preferable mode of the present invention, the airbag is made of a high temperature resistant elastic material.

As a further preferred aspect of the present technical solution, two sets of the arc-shaped connecting rods are disposed at an interval from each other.

As a further preferred aspect of the present technical solution, a center of a circle where the arc-shaped connecting rod is located on an axis of the mold core.

The utility model provides a from formula of book silicone rubber tube production with forming die possesses following beneficial effect:

(1) the utility model discloses a set up the arc connecting block in the extrusion cavity upper end of extruding the pipe, thereby whole cross-section is the arc behind the shaping of melting raw materials cooling, after the silicone rubber tube discharge extrusion pipe, whole automatic winding is circular, simultaneously through setting up adjustment mechanism, through gasbag and compression spring cooperation, thereby the position of control regulating plate in extruding the cavity, adjust the expansion length of silicone rubber tube, and then carry out the quick adjustment to the diameter of the silicone rubber tube after the rolling, and simple structure, whole convenient to use is swift.

(2) The utility model discloses pass through the arc connecting rod with adjustment mechanism's regulating plate and arc connecting block and be connected, make the centre of a circle of arc connecting rod place circle be in the axis of mold core simultaneously, in the use, ensure the arc connecting rod can keep in the use with the mold core, extrude the distance between the pipe to ensure the rotation that the regulating plate can be normal, adopt high temperature resistant elastic material to make the gasbag simultaneously, ensure the gasbag normal use in high temperature environment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the adjusting mechanism of the present invention;

fig. 3 is a schematic view of the connection between the arc connecting rod and the arc connecting block of the present invention;

fig. 4 is an installation schematic diagram of the arc connecting rod of the present invention.

In the figure: 1. extruding a pipe; 2. a mold core; 3. extruding the cavity; 4. an end cap; 5. a feed pipe; 6. a delivery pipe; 7. a circulation channel; 8. an arc-shaped connecting block; 9. an arc-shaped connecting rod; 10. an adjusting plate; 11. an air bag; 12. a breather pipe; 13. mounting holes; 14. a limiting block; 15. a compression spring; 16. installing a cavity; 17. a fixed mount; 18. a water inlet; 19. and (7) a water outlet.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-4, the utility model provides a technical scheme: a forming die for producing a self-rolling silicone rubber tube comprises an extrusion tube 1 and a die core 2, wherein an extrusion cavity 3 is arranged on the inner side of the extrusion tube 1, an end cover 4 is arranged at one end of the extrusion pipe 1, a feeding pipe 5 is arranged at the lower end of the end cover 4, one end of the feeding pipe 5 is communicated with the extrusion cavity 3, the upper end of the extrusion pipe 1 in the extrusion cavity 3 is provided with an adjusting mechanism, one end of the mold core 2 passes through the end cover 4 and is arranged in the extrusion cavity 3, the inner side of the mold core 2 is provided with a mounting cavity 16, a delivery pipe 6 is arranged in the mounting cavity 16 through a fixing frame 17, a circulating channel 7 is formed between the delivery pipe 6 and the inner wall of the mold core 2, one end of the delivery pipe 6 close to the extrusion pipe 1 is provided with an opening, and is communicated with the circulating channel 7, a water inlet 18 is arranged at the end of the conveying pipe 6, and a water outlet 19 is arranged at the end of the mold core 2.

In this embodiment, specifically: adjustment mechanism includes arc connecting block 8, arc connecting rod 9, regulating plate 10 and gasbag 11, in the cavity 3 was extruded in the setting of arc connecting block 8, the surface of arc connecting block 8 respectively with mold core 2 the surface, extrude the inner wall fixed connection of pipe 1, arc connecting block 8 equidistance has seted up a plurality of mounting holes 13, arc connecting rod 9 sets up to two sets of, and is two sets of arc connecting rod 9 sets up the both sides at arc connecting block 8 respectively, mounting holes 13 are passed to the end department of arc connecting rod 9, regulating plate 10 is provided with two, two the upper surface of regulating plate 10 respectively with the end department fixed connection of two sets of arc connecting rod 9, gasbag 11 sets up the upper surface at regulating plate 10, the upper end of gasbag 11 is provided with breather pipe 12, the upper end of breather pipe 12 runs through extrusion pipe 1.

In this embodiment, specifically: the two side surfaces of the adjusting plate 10 are respectively abutted against the surfaces of the mold cores 2 and the inner wall of the extrusion pipe 1, and the pipe diameter of the silicone rubber pipe is controlled by controlling the position of the adjusting plate 10 in the extrusion cavity 3.

In this embodiment, specifically: end department of arc connecting rod 9 is provided with stopper 14, compression spring 15 in the mounting hole 13 outside, compression spring 15 cover is established in the outside of arc connecting rod 9, compression spring 15's both ends respectively with

stopper

14, 8 butts of arc connecting block, make regulating plate 10 to the lower extreme rotate the back through gasbag 11, through arc connecting rod 9 pulling stopper 14 to make compression spring 15 compress, through compression spring 15's restoration, be convenient for make regulating plate 10 rotate to the top.

In this embodiment, specifically: the air bag 11 is made of high-temperature resistant elastic materials, and normal use of the air bag 11 in a high-temperature environment is guaranteed.

In this embodiment, specifically: two sets of arc connecting rod 9 set up at interval each other, make two regulating plates 10 can adjust in step.

In this embodiment, specifically: the centre of a circle of arc connecting rod 9 place is in the axis of mold core 2, ensures that arc connecting rod 9 can keep with mold core 2, extrude the distance between the pipe 1 in the use to ensure that regulating plate 10 can normal rotation.

Theory of operation, when using, carry the melting raw materials in extruding cavity 3 through inlet pipe 5, the raw materials is extruding cavity 3 and is distributing, and carry the cooling water through conveyer pipe 6, make the cooling water flow back through circulation channel 7, carry out the heat transfer to the raw materials in extruding cavity 3, thereby the raw materials progressively shapes into the silicone rubber tube, owing to extrude the upper end of cavity 3 and seal, and then fashioned silicone rubber tube is extruding pipe 1 internal whole cross-section and being the arc, after silicone rubber tube discharges, whole shrink is from rolling up into the tubulose, and after silicone rubber tube discharges, according to its pipe diameter after rolling up, adjust through adjustment mechanism.

The air bag 11 is inflated and pressurized into the air bag 11 through the air pipe 12, so that the air bag 11 is gradually inflated, the two adjusting plates 10 are driven to move downwards by taking the axis of the mold core 2 as the center, the extrusion cavity 3 is gradually reduced, and the pipe diameter of the self-rolling silicone rubber pipe is reduced.

When the gas in the gasbag 11 discharges, gasbag 11 contracts, and under compression spring 15's effect, arc connecting rod 9 drives regulating plate 10 upward movement to the cavity 3 grow gradually is extruded in the feasible, and then increases from the pipe diameter of roll forming's silicone rubber tube.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The forming die for producing the self-rolling silicone rubber tube is characterized by comprising an extrusion tube (1) and a die core (2), wherein an extrusion cavity (3) is formed in the inner side of the extrusion tube (1), an end cover (4) is arranged at one end of the extrusion tube (1), a feeding tube (5) is arranged at the lower end of the end cover (4), one end of the feeding tube (5) is communicated with the extrusion cavity (3), an adjusting mechanism is arranged at the upper end of the extrusion tube (1) in the extrusion cavity (3), one end of the die core (2) penetrates through the end cover (4) to be arranged in the extrusion cavity (3), an installation cavity (16) is formed in the inner side of the die core (2), a conveying tube (6) is arranged in the installation cavity (16) through a fixing frame (17), and a circulating channel (7) is formed between the conveying tube (6) and the inner wall of the die core (2), one end of the conveying pipe (6) close to the extrusion pipe (1) is set to be an opening and communicated with the circulating channel (7), a water inlet (18) is formed in the end of the conveying pipe (6), and a water outlet (19) is formed in the end of the mold core (2).

2. The forming die for producing the self-rolling silicone rubber tube according to claim 1, wherein: the adjusting mechanism comprises arc-shaped connecting blocks (8), arc-shaped connecting rods (9), adjusting plates (10) and air bags (11), wherein the arc-shaped connecting blocks (8) are arranged in the extrusion cavities (3), the surfaces of the arc-shaped connecting blocks (8) are respectively fixedly connected with the surfaces of the mold cores (2) and the inner walls of the extrusion pipes (1), a plurality of mounting holes (13) are equidistantly formed in the arc-shaped connecting blocks (8), the arc-shaped connecting rods (9) are arranged into two groups, the two groups of arc-shaped connecting rods (9) are respectively arranged at the two sides of the arc-shaped connecting blocks (8), the end parts of the arc-shaped connecting rods (9) penetrate through the mounting holes (13), the adjusting plates (10) are provided with two groups, the upper surfaces of the adjusting plates (10) are respectively fixedly connected with the end parts of the two groups of arc-shaped connecting rods (9), and the air bags (11) are arranged on the upper surfaces of the adjusting plates (10), the upper end of the air bag (11) is provided with a vent pipe (12), and the upper end of the vent pipe (12) penetrates through the extrusion pipe (1).

3. The forming die for producing the self-rolling silicone rubber tube according to claim 2, wherein: the surfaces of two sides of the adjusting plate (10) are respectively abutted against the surface of the mold core (2) and the inner wall of the extrusion pipe (1).

4. The forming die for producing the self-rolling silicone rubber tube according to claim 2, wherein: the end department of arc connecting rod (9) is provided with stopper (14), compression spring (15) in mounting hole (13) outside, compression spring (15) cover is established in the outside of arc connecting rod (9), the both ends of compression spring (15) respectively with stopper (14), arc connecting block (8) butt.

5. The forming die for producing the self-rolling silicone rubber tube according to claim 2, wherein: the air bag (11) is made of high-temperature resistant elastic materials.

6. The forming die for producing the self-rolling silicone rubber tube according to claim 2, wherein: the two groups of arc-shaped connecting rods (9) are arranged at intervals.

7. The forming die for producing the self-rolling silicone rubber tube according to claim 2, wherein: the circle center of the circle where the arc-shaped connecting rod (9) is located on the axis of the mold core (2).