Cable extrusion die

Abstract

The invention relates to a cable extrusion die. The cable extrusion die comprises an outer die, an inner die and a needle tube; the inner die is nested and coaxially arranged in the outer die, a gap is formed between the inner die and the outer die, and an end surface of a die opening of the inner die is located in an end surface of a die opening of the outer die; the needle tube comprises a needle tube body and a needle tube tail handle connected to the needle tube body, wherein a through hole for penetrating a cable core of a cable is formed in the needle tube body, and the end surface, awayfrom the needle tube tail handle, of the needle tube body is a needle tube opening end surface; an inner membrane is provided with a central hole in the axial direction, the needle tube body is rotationally arranged in the central hole, and when the needle tube tail handle is rotated, the needle tube body moves in the axial direction of the inner die in the center hole. According to the cable extrusion die, the switch of extrusion type, extrusion tube type and semi-extruded tube type extrusion dies can be realized by adjusting the position of the needle tube body in the inner die, the die integrates the three extrusion forms of dies into a whole, the one die can be used for multiple purposes, so that the universality of the cable extrusion die is improved, and therefore production cost isreduced.

Description

technical field [0001] The invention relates to the technical field of cable production, in particular to a cable extrusion die. Background technique [0002] At present, there are three main forms of molds (including inner molds and outer molds) used in cable production, namely: extrusion type, extruded tube type and semi-extruded tube type. like figure 1 as shown, figure 1 Among them, (a) is a schematic diagram of the structure of the extrusion die, (b) is a schematic diagram of the structure of the semi-extruded pipe die, (c) is a schematic diagram of the structure of the extrusion die, the structures of the three dies are basically the same, the difference lies in the internal Whether there is a tubular diameter part at the front end of the mold or the relative position of the tubular diameter part and the outer mold is different. The three types of molds have their own advantages and disadvantages. If one of the molds is used alone, the versatility is not strong, and ...

AI Technical Summary

Problems solved by technology

like figure 1 as shown, figure 1 Among them, (a) is a schematic diagram of the structure of the extrusion die, (b) is a schematic diagram of the structure of the semi-extruded pipe die, (c) is a schematic diagram of the structure of the extrusion die, the structures of the three dies are basically the same, the difference lies in the internal Whether there is a tubular diameter part at the front end of the mold or the relative position of the tubular diameter part and the outer mold is different. The three types of molds have their own advantages and disadvantages. If one of the molds is used alone, the versatility is not strong, and it cannot meet the requirements of one mold for multiple purposes. needs

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