CN216068476U - Insulating and shielding integrated production mold for intermediate joint of high-voltage cable accessory - Google Patents
Insulating and shielding integrated production mold for intermediate joint of high-voltage cable accessory Download PDFInfo
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- CN216068476U CN216068476U CN202122743598.1U CN202122743598U CN216068476U CN 216068476 U CN216068476 U CN 216068476U CN 202122743598 U CN202122743598 U CN 202122743598U CN 216068476 U CN216068476 U CN 216068476U
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Abstract
The utility model relates to the technical field of cables, and discloses an insulation shielding integrated production mold for a middle joint of a high-voltage cable accessory, which comprises a mold main body, wherein the mold main body is formed by combining a left mold frame and a right mold frame, a mold cavity is arranged in the middle of the mold main body, a mold core rod for pressing and forming the middle insulation shielding main body is arranged in the mold cavity, an external connecting pipe is fixedly arranged on one side of the mold core rod, one end of the external connecting pipe extends to the outer side of the mold main body, a hot water inlet is fixedly arranged in the middle of the end part of the external connecting pipe, a hot water runner is fixedly arranged in the external connecting pipe, the hot water runner extends to the inner side of the mold core rod, and a hot water outlet is fixedly arranged at the lower end of the external connecting pipe. The middle part has no bonding part, and the whole body is beautiful and reliable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an insulation shielding integrated production mold for a middle joint of a high-voltage cable accessory.
Background
The high-voltage cable accessory intermediate joint insulation shield is used for the intermediate connection of cross-linked cables or oil-immersed cables of various voltage grades. The main function is to keep the circuit smooth, keep the cable sealed, and ensure the insulation grade at the cable joint, so that the cable can run safely and reliably.
The traditional middle joint insulation shield is produced in two sections, a stress cone is produced firstly, then a core rod is placed in the middle of the stress cone, and then the insulation shield is produced to be bonded into a whole. The bonding part is not firmly bonded, and is not beautiful, and the yield is lower.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides an integrated production mold for insulating and shielding a middle joint of a high-voltage cable accessory, which solves the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an integrative production mould of high tension cable annex intermediate head insulation shielding, includes the mould main part, the mould main part is formed by left framed and right framed combination, the centre of mould main part is provided with the die cavity, install the mould plug that is used for suppressing formation intermediate insulation shielding main part in the die cavity, one side fixed mounting of mould plug has external takeover, external takeover one end extends to the outside of mould main part, just external takeover tip intermediate position fixed mounting has hot water entry, external takeover's inside fixed mounting has hot water runner, hot water runner extends to mould plug inboard, external takeover's lower extreme fixed mounting has hot water export.
Preferably, one end of the mold main body, which is far away from the external connecting pipe, is fixedly provided with an injection molding port, and the inner side of the injection molding port is connected with the mold cavity inside the mold through a pipeline.
Preferably, a sealing groove is formed in the opposite side faces of the left die frame and the right die frame, and a sealing ring is fixedly mounted in the sealing groove.
Preferably, the side edge of the die main body is fixedly provided with a cooling liquid injection port at a position above the external connecting pipe, and the side edge of the die main body is fixedly provided with a cooling liquid discharge port at a position below the external connecting pipe.
Preferably, a vacuumizing air channel is fixedly arranged on the side of the die cavity arranged in the middle of the die main body.
Preferably, the middle insulation shielding main body is formed by integrally injection molding the stress cone and the insulation shielding.
(III) advantageous effects
The utility model provides a high-voltage cable accessory intermediate joint insulation shielding integrated production die which has the following beneficial effects:
according to the utility model, the left die frame, the right die frame and the die core rod are arranged, hot water is injected into the die core rod through the hot water machine when the die is used, the die is heated to 80 ℃, then the vacuum pumping is carried out to ensure that the die reaches a certain vacuum degree, then the material injection is started, after the material injection is finished, the temperature of the die is raised to 105 ℃ for curing molding, the stress cone and the insulation shielding are molded at one step, no bonding part exists, and the whole body is attractive and reliable.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is a partial cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the intermediate insulation shield body according to the present invention.
In the figure: 1. a mold body; 2. a left mold frame; 3. a right mold frame; 4. an external connection pipe; 5. a hot water inlet; 6. a hot water outlet; 7. a hot water flow passage; 8. a coolant injection port; 9. a coolant discharge port; 10. an intermediate insulating shield body; 11. an injection molding port; 12. a seal ring; 13. vacuumizing an air passage; 14. a mold core rod; 15. a stress cone; 16. and (4) insulating and shielding.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the present invention provides a technical solution: a high-voltage cable accessory middle joint insulation shielding integrated production mold comprises a mold main body 1, wherein the mold main body 1 is formed by combining a left mold frame 2 and a right mold frame 3, a mold cavity is arranged in the middle of the mold main body 1, a mold core rod 14 for pressing and forming a middle insulation shielding main body 10 is installed in the mold cavity, an external connecting pipe 4 is fixedly installed on one side of the mold core rod 14, one end of the external connecting pipe 4 extends to the outer side of the mold main body 1, a hot water inlet 5 is fixedly installed in the middle of the end part of the external connecting pipe 4, a hot water flow passage 7 is fixedly installed in the external connecting pipe 4, the hot water flow passage 7 extends to the inner side of the mold core rod 14, a hot water outlet 6 is fixedly installed at the lower end of the external connecting pipe 4, when the mold is used, hot water is injected into the mold core rod 14 through a hot water machine, the mold is heated to 80 ℃, and then when the mold reaches a certain vacuum degree, material injection is started, and after the material injection is completed, the temperature of the mold is raised to 105 ℃ for the second time, and the mold is cured and molded, so that the middle insulation shielding main body 10 is molded by injection once without manufacturing in sections, and the manufactured product has no bonding part and is attractive and reliable in whole.
Further, one end of the mold main body 1, which is far away from the outer connecting pipe 4, is fixedly provided with an injection port 11, the inner side of the injection port 11 is connected with the inner mold cavity of the mold through a pipeline, and materials are injected into the inner mold cavity of the mold main body 1 through the injection port 11.
Further, the sealing groove is formed in the opposite side faces of the left die frame 2 and the right die frame 3, the sealing ring 12 is fixedly mounted in the sealing groove, the sealing ring 12 surrounds the periphery of the die cavity, the air tightness inside the die cavity is improved, the designated vacuum degree inside the die body is conveniently achieved, and product forming is facilitated.
Further, 1 side of the die body is located and is circumscribed taking 4 top position fixed mounting and have a coolant liquid inlet 8, 1 side of the die body is located and is circumscribed taking 4 below position fixed mounting and have a coolant liquid outlet 9, annotate the material and accomplish the back, annotate the inside coolant liquid that adds of inlet 8 to the die body through the coolant liquid, the coolant liquid flows through from 1 inside pipe of the die body, discharge from coolant liquid outlet 9, can replace 1 inside temperature of the die body like this, cool down the product, solidification with higher speed, and make things convenient for follow-up drawing of patterns.
Furthermore, a vacuumizing air passage 13 is fixedly arranged on the side of a mold cavity arranged in the middle of the mold main body 1, and the mold cavity reaches the specified vacuum degree through the vacuumizing air passage 13, so that the successful injection molding of the product is ensured.
Furthermore, the middle insulation shielding main body 10 is formed by integrally injection molding the stress cone 15 and the insulation shielding 16, the injection molding is completed at one time, the injection molding process is reduced, the working efficiency is improved, and meanwhile, the product has no bonding part, and is attractive and reliable in whole.
In conclusion, the working process of the utility model is as follows: when the middle insulation shielding main body 10 is used, hot water is injected into a mold core rod 14 through a hot water machine, the mold is heated to 80 ℃, then the mold reaches a certain vacuum degree, material injection is started, after the material injection is completed, the mold cavity reaches a certain vacuum degree through a vacuumizing air channel 13, then the temperature of the mold cavity is raised to 105 ℃ for the second time, solidification molding is carried out, cooling liquid is added into a left mold frame 2 and a right mold frame 3 in the mold main body 1 through a cooling liquid injection inlet 8 during solidification, the internal temperature of the mold main body 1 is replaced, the product is cooled, solidification is accelerated, and subsequent demolding is facilitated.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an integrative production mould of high tension cable annex intermediate head insulation shielding, includes mould main part (1), its characterized in that: the utility model discloses an insulating shielding mould, including mould main part (1), mould core (14), one side fixed mounting of mould core (14) has outer takeover (4), the outside of taking over (4) one end and extending to mould main part (1) is outer, just the tip intermediate position fixed mounting who takes over (4) is outer, the inside fixed mounting who takes over (4) has hot water runner (7), hot water runner (7) extend to mould core (14) inboard, the lower extreme fixed mounting who takes over (4) has hot water export (6) outward, the centre of mould main part (1) is provided with die core (14) that is used for suppressing and forms middle insulating shielding main part (10), one side fixed mounting of mould core (14) has outer takeover (4).
2. The mold for integrally producing the insulation shield of the intermediate joint of the high-voltage cable accessory as claimed in claim 1, wherein: one end of the mold main body (1) far away from the outer connecting pipe (4) is fixedly provided with an injection molding port (11), and the inner side of the injection molding port (11) is connected with a mold cavity inside the mold through a pipeline.
3. The mold for integrally producing the insulation shield of the intermediate joint of the high-voltage cable accessory as claimed in claim 1, wherein: a sealing groove is formed in the opposite side faces of the left die frame (2) and the right die frame (3), and a sealing ring (12) is fixedly mounted in the sealing groove.
4. The mold for integrally producing the insulation shield of the intermediate joint of the high-voltage cable accessory as claimed in claim 1, wherein: the cooling liquid injection port (8) is fixedly arranged at the position, above the external connecting pipe (4), of the side edge of the die body (1), and the cooling liquid discharge port (9) is fixedly arranged at the position, below the external connecting pipe (4), of the side edge of the die body (1).
5. The mold for integrally producing the insulation shield of the intermediate joint of the high-voltage cable accessory as claimed in claim 1, wherein: and a vacuumizing air passage (13) is fixedly arranged on the side of the die cavity arranged in the middle of the die main body (1).
6. The mold for integrally producing the insulation shield of the intermediate joint of the high-voltage cable accessory as claimed in claim 1, wherein: the middle insulation shielding main body (10) is formed by integrally injection molding a stress cone (15) and an insulation shield (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743598.1U CN216068476U (en) | 2021-11-10 | 2021-11-10 | Insulating and shielding integrated production mold for intermediate joint of high-voltage cable accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122743598.1U CN216068476U (en) | 2021-11-10 | 2021-11-10 | Insulating and shielding integrated production mold for intermediate joint of high-voltage cable accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216068476U true CN216068476U (en) | 2022-03-18 |
Family
ID=80660424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122743598.1U Active CN216068476U (en) | 2021-11-10 | 2021-11-10 | Insulating and shielding integrated production mold for intermediate joint of high-voltage cable accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216068476U (en) |
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2021
- 2021-11-10 CN CN202122743598.1U patent/CN216068476U/en active Active
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