Moulding method for insulating part manufacture of high-voltage cable accessory and moulding mold

A high-voltage cable and molding method technology, which is applied to insulators, electrical components, circuits, etc., can solve the problem of not being able to take into account the molding of liquid and solid materials at the same time.

Inactive Publication Date: 2009-12-23
WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST
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Problems solved by technology

[0002] At present, in the manufacturing industry of high-voltage cable accessories, the molding method and mould, which are used for forming liquid materials, are left and right molds. This method and moulds can achieve 110kV and above cable accessories, such as Chinese patent 03801986.8 "Used to protect elastic cables It is mentioned in "Semiconductor Coating and Application Process of Accessories"; the molding method and mold of upper and lower clamping molds are used for solid material molding. This method and mold can only be used for cable accessories of 35kV and below, and The above two methods and molds cannot take into account the molding of liquid and solid materials at the same time

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  • Moulding method for insulating part manufacture of high-voltage cable accessory and moulding mold

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Embodiment Construction

[0009] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0010] exist figure 1 Among them, the molding method for manufacturing the insulating part of the high-voltage cable accessory 10 uses the method of upper and lower mold clamping. This molding mold is composed of an upper mold 6, a lower mold 5 and a mold core 8. The inner groove is shaped like a high-voltage cable accessory. 10 The shape of the insulating part, there is a group of longitudinal ports 2 near the end of the upper mold 6, and there are a plurality of exhaust holes 7 on the longitudinal axis of the surface of the upper mold 6; there is a group of transverse holes 4 corresponding to the longitudinal ports 2 on the lower mold 5 , The transverse hole 4 communicates with the mold cavity, and the lower mold 5 also has a group of transverse holes 3 and a vertical and horizontal mouth 1 communicating with it, and the transverse hole 3 communicates with ...

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Abstract

The invention can cause that an insulating part of a high-voltage cable accessory is integrally molded in one step; a set of mold can simultaneously use two materials which are liquid and solid, each part is uniformly molded and smooth in exhausting and a feeding hole is small and evenly heated, thus increasing the stability of the technique; simultaneously, as the structure is simple, the mold design is relatively simple, thereby a vacuum-pumping device can be omitted; in addition, as the integral molded accessory has few inlets, generated flashing and coffin corner residual material are few, thus reducing the cost.

Description

technical field [0001] The invention belongs to the field of manufacturing high-voltage cable accessories, and in particular relates to a molding method and a molding die for manufacturing the insulating part of a high-voltage cable accessory. Background technique [0002] At present, in the manufacturing industry of high-voltage cable accessories, the molding method and mould, which are used for forming liquid materials, are left and right molds. This method and moulds can achieve 110kV and above cable accessories, such as Chinese patent 03801986.8 "Used to protect elastic cables It is mentioned in "Semiconductor Coating and Application Process of Accessories"; the molding method and mold of upper and lower clamping molds are used for solid material molding. This method and mold can only be used for cable accessories of 35kV and below, and Above-mentioned two kinds of methods and mold can not take into account the molding of liquid and solid material simultaneously. Conte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B19/00B29C45/14B29C45/26B29C45/34B29C45/27
Inventor 王伟谢少荣
Owner WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST
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