Special inner mold for suspended core wire

By designing a multi-layered structure for a specially made inner mold for suspended core wires, the problems of poor core wire curing and internal defects caused by improper temperature and pressure control during the forming process of suspended core wires were solved, thereby improving the stability and durability of the mold.

CN223720131UActive Publication Date: 2025-12-26DALIAN TECHTRON CABLE
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Patent Information

Application Number
CN202520021758.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-20
Publication Date
2025-12-26
Estimated Expiration
2035-11-20

AI Technical Summary

Technical Problem

In the process of suspended core wire forming, improper temperature and pressure control may lead to poor core wire curing, deformation or internal defects. Existing devices have problems with insufficient stability and durability.

Method used

A special internal mold for suspended core wire was designed, which adopts a multi-layer structure, including an inner mold, an inlet insulation layer, an outlet insulation layer, an outer sheath layer, and an outer mold sleeve. By controlling temperature and pressure parameters, the stability and durability of the core wire forming process in the mold are ensured. Polyethylene and glass fiber materials are used to provide protection and heat insulation performance.

Benefits of technology

It effectively isolates external temperature interference, maintains stable internal temperature of the mold, ensures core wire forming quality, prevents mold damage, and improves mold stability and durability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dies, and discloses a special inner die for a suspended core wire, which comprises an inner die, an inner cavity of the inner die is used for forming the core wire, the inlet end of the inner die is fixedly connected with an inner die fixing pipe used for fixing the inner die, and the outer wall of the inner die is fixedly sleeved with an outer coating layer used for protecting the inner die from being damaged. A core wire material is led into an inner cavity of the mold, a core wire is formed in the inner mold by controlling parameters such as temperature and pressure of the mold, the formed core wire flows out of the leading-out end, the temperature is kept stable through a heat insulation layer of the leading-out part, and the core wire is formed through stacking and fixed sleeving of a multi-layer structure. The mold has enough stability and durability in the using process, the leading-in part heat insulation layer and the leading-out part heat insulation layer effectively isolate external temperature interference, the internal temperature of the mold is kept stable, the core wire forming quality is ensured, the outer coating layer, the outer mold and the outer mold sleeve jointly form a powerful protection system, and the mold is prevented from being damaged in the using process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a mould technical field, specifically, relate to a special inner mould of aerial core wire. BACKGROUND

[0002] The aerial line circuit is a kind of power transmission mode, which suspends the transmission line in the air, and it is isolated from the ground by special insulating material to prevent human and animal from contacting current, and the aerial line circuit is mainly composed of transmission line, insulator, suspension frame and power tower.In the manufacturing process of power equipment, the inner mould is used to shape the internal structure and shape of power equipment.

[0003] The existing device has some drawbacks in the use process, for example: in the forming process of aerial core wire, temperature and pressure are two key process parameters, if temperature or pressure is not properly controlled, it can cause poor solidification, deformation or internal defects of core wire, and too high pressure can also cause cracks or bubbles in the core wire. UTILITY MODEL CONTENT

[0004] The utility model provides a special inner mould of aerial core wire, solves the problem that in the forming process of aerial core wire, temperature and pressure are two key process parameters, if temperature or pressure is not properly controlled, it can cause poor solidification, deformation or internal defects of core wire.

[0005] The utility model provides the following technical scheme: a special inner mould of aerial core wire, including inner mould, the inner cavity of inner mould is used to form core wire, the entering end of inner mould is fixedly connected with the inner mould fixing tube for fixing inner mould, the outer wall of inner mould is fixedly sleeved with the outer sheath layer for protecting the damage of inner mould.

[0006] As the preferred of above technical scheme, the entering end of inner mould is provided with the introduction part heat insulating layer for keeping the temperature of introduction area, and the entering and exiting end of inner mould is provided with the lead-out part heat insulating layer for keeping the temperature of lead-out area.

[0007] As the preferred of above technical scheme, the introduction part heat insulating layer and lead-out part heat insulating layer are annular structure, and the introduction part heat insulating layer and lead-out part heat insulating layer are embedded in the inner side of inner mould.

[0008] As the preferred of above technical scheme, the outer wall of outer sheath layer is fixedly sleeved with outer mould, and the outer wall of outer mould is fixedly sleeved with outer mould sleeve.

[0009] As the preferred of above technical scheme, the outer sheath layer is made of polyethylene material.

[0010] As the preferred of above technical scheme, the introduction part heat insulating layer and lead-out part heat insulating layer are made of glass fiber.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] In the utility model, the core wire material is introduced into the inner cavity of the mold, the temperature and pressure and other parameters of the mold are controlled, the core wire is formed in the inner mold, the formed core wire flows out from the leading-out end, the temperature is kept stable through the heat insulation layer of the leading-out part, the superposition and the fixed sleeve connection of the multilayer structure are guaranteed, the mold has enough stability and durability in the use process, the heat insulation layer of the leading-in part and the heat insulation layer of the leading-out part effectively isolate the external temperature interference, keep the internal temperature of the mold stable, guarantee the core wire forming quality, the sheath layer, the outer mold and the outer mold sleeve jointly constitute a powerful protection system, and the mold is prevented from being damaged in the use process. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a sectional structure schematic view of a special inner mold of a suspended core wire.

[0014] Fig. 2 It is an enlarged sectional structure schematic view of the inner mold.

[0015] Fig. 3 It is a whole structure schematic view of a special inner mold of a suspended core wire.

[0016] In the drawing: 1, inner mold;11, inner mold fixed pipe;12, sheath layer;13, leading-in part heat insulation layer;14, leading-out part heat insulation layer;15, outer mold;16, outer mold sleeve. DETAILED DESCRIPTION

[0017] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the accompanying drawings in the utility model embodiment. EMBODIMENT

[0018] As Figs. 1-3As shown, the utility model provides a kind of specially-made inner mould of suspension core wire, including inner mould 1, the inner cavity of inner mould 1 is used to form core wire, the entering end of inner mould 1 is fixedly connected with the inner mould fixed tube 11 for fixing inner mould 1, outer covering layer 12 for protecting the damage of inner mould 1 is fixedly sleeved on the outer wall of inner mould 1, and in specific use process, the entering end of inner mould 1 is provided with import part heat insulation layer 13 for keeping temperature of import area, the import and export end of inner mould 1 is provided with export part heat insulation layer 14 for keeping temperature of export area, import part heat insulation layer 13 and export part heat insulation layer 14 are annular structure, import part heat insulation layer 13 and export part heat insulation layer 14 are embedded in the inner side of inner mould 1, outer covering layer 12 is fixedly sleeved with outer mould 15 on outer wall, outer mould 15 is fixedly sleeved with outer mould sleeve 16 on outer wall, in specific use process, inner mould 1 is fixed in the position required by inner mould fixed tube 11, and outer covering layer 12, outer mould 15 and outer mould sleeve 16 are installed in sequence, and core wire material is imported in the inner cavity of mould, by controlling the temperature and pressure parameters such as mould, core wire is formed in inner mould 1, and the core wire after forming flows out from export end, and temperature is kept stable by export part heat insulation layer 14, by the superposition and fixedly sleeved of multilayer structure, it is ensured that mould has enough stability and durability in use process, import part heat insulation layer 13 and export part heat insulation layer 14 effectively isolate external temperature interference, keep the temperature stability of mould interior, ensure the quality of core wire forming, and outer covering layer 12, outer mould 15 and outer mould sleeve 16 jointly constitute powerful protection system, prevent mould from being damaged in use process.

[0019] Wherein, outer covering layer 12 is made of polyethylene material, and the temperature resistance of polyethylene helps to keep the dimensional accuracy of the inner cavity of mould, to ensure the quality of core wire in the forming process.

[0020] Wherein, import part heat insulation layer 13 and export part heat insulation layer 14 are made of glass fiber, and due to the heat insulation performance of glass fiber, it can also keep good heat preservation effect in cold environment, reducing heat loss.

[0021] Working principle: when using, inner mould 1 is fixed in the position required by inner mould fixed tube 11, and outer covering layer 12, outer mould 15 and outer mould sleeve 16 are installed in sequence, and core wire material is imported in the inner cavity of mould, by controlling the temperature and pressure parameters such as mould, core wire is formed in inner mould 1, and the core wire after forming flows out from export end, import part heat insulation layer 13 and export part heat insulation layer 14 effectively isolate external temperature interference, keep the temperature stability of mould interior, ensure the quality of core wire forming.

[0022] The above examples are only used to illustrate the technical scheme of the utility model, rather than limit it.

Claims

1. A special inner mold for a suspended core wire, comprising an inner mold (1), characterized in that: The inner mold (1) is internally provided with a cavity for forming a core wire, an inner mold fixing tube (11) is fixedly connected to the entry end of the inner mold (1) for fixing the inner mold (1), an outer coating layer (12) is fixedly sleeved on the outer wall of the inner mold (1) for protecting the inner mold (1) from damage, an entry part heat insulation layer (13) is arranged at the entry end of the inner mold (1) for keeping the temperature of the entry area, and an exit part heat insulation layer (14) is arranged at the exit end of the inner mold (1) for keeping the temperature of the exit area.

2. A specially designed inner mold for a suspended core wire according to claim 1, characterized in that: The entry part heat insulation layer (13) and the exit part heat insulation layer (14) are both annular structures, and the entry part heat insulation layer (13) and the exit part heat insulation layer (14) are both embedded in the inner side of the inner mold (1).

3. A specially designed inner mold for a suspended core wire according to claim 1, characterized in that: The outer coating layer (12) is fixedly sleeved with an outer mold (15) on the outer wall, and the outer mold (15) is fixedly sleeved with an outer mold sleeve (16) on the outer wall.

4. A specially designed inner mold for a suspended core wire according to claim 1, characterized in that: The outer coating layer (12) is made of polyethylene material.

5. A specially designed inner mold for a suspended core wire according to claim 1, characterized in that: The entry part heat insulation layer (13) and the exit part heat insulation layer (14) are made of glass fiber.