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Plastic extruding mould for producing electric cables

A cable and extrusion mold technology, which is applied in the field of extrusion molds, can solve the problems of poor uniformity of the single-wire gap distribution of the sparsely wound shielding layer, and the cable shielding effect can not reach the best effect, etc., to solve the problem of wrapping single-wire gap distribution The effect of poor uniformity, low manufacturing cost and convenient operation

Active Publication Date: 2013-10-09
SICHUAN JIUZHOU WIRE & CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the many processes in this method, the uniformity of the single-wire gap distribution of the sparsely wound shielding layer is poor, so that the cable shielding effect cannot reach the best effect.

Method used

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  • Plastic extruding mould for producing electric cables
  • Plastic extruding mould for producing electric cables
  • Plastic extruding mould for producing electric cables

Examples

Experimental program
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Embodiment Construction

[0022] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0023] An extrusion mold made of cable wires, including an extrusion mold base 12, a left and right through cavity is arranged inside the mold base 12, and a vertical injection molding port is arranged on the top, and the injection molding port is connected to the extrusion molding port through a connecting flange 121. The device is connected. Both sides of the cavity in the extrusion mold base 12 are respectively provided with a male mold 7 and a female mold 14, and a mold cavity is formed between the male mold 7 and the female mold 14. Female mold 14 is fixed on the right side of die holder 12 by lock nut 13, and female mold 14 inner surface is conical, and the bottom perforation of cone is placed horizontally, is provided with molding tube 15 in the perforation at the bottom.

[0024] The male mold 7 is connected to the mold body 4, and the ...

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PUM

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Abstract

The invention relates to the electric wire and electric cable manufacture field, and particularly to a plastic extruding mould required by production of a concentric sparse winding shielding layer of a plurality of single-wire conductors under a cable sheath layer. Disclosed is the plastic extruding mould for producing electric cables. The plastic extruding mould includes a plastic extruding mould base; a male mould and a female mould are respectively arranged at two sides of a cavity in the plastic extruding mould base, a mould cavity is formed between the male mould and the female mould, the female mould is connected with a forming pipe, and the male mould is connected with a mould body; the interior of the mould body is connected with a stranding cage through bearings, the interior of the stranding cage is provided with a threading pipe, the stranding cage can rotate around the threading pipe, the right end of the stranding cage is provided with a distributing terminal board, and the distributing terminal board is provided with wire harness conduits. A wire core is passed through the threading pipe, then through the male mould and the female mould, next through the forming pipe, and is connected with a traction machine set; and sparse winding single wires are passed through the wire harness conduits and the distributing terminal board.

Description

technical field [0001] The invention relates to the field of manufacturing and processing of electric wires and cables, in particular to an extrusion mold required for the manufacture of a concentric sparsely wound shielding layer of multiple single-wire conductors under a cable sheath layer. Background technique [0002] With the rapid development of the wire and cable industry, wire and cable are not only a simple transmission medium, but also the quality of power transmission and environmentally friendly power supply are increasingly valued by the wire and cable manufacturing industry. Anti-interference cables, frequency conversion cables, low-radiation cables, etc., are born with shielded and isolated electromagnetic cables. Most wires and cables are suitable for the transmission of alternating current. Due to the change of power frequency, a large number of radiated electromagnetic fields are generated. These radiated electromagnetic fields permeate the environmental sp...

Claims

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Application Information

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IPC IPC(8): B29C47/20B29C48/32
Inventor 曾玉成甘露张波
Owner SICHUAN JIUZHOU WIRE & CABLE
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