Extrusion molding processing equipment and processing technology for outer sheath of electric wire and cable

Abstract

The invention relates to extrusion molding processing equipment and processing technology for an outer sheath of an electric wire and cable. The extrusion molding processing equipment comprises a bottom plate, a spin-drying device and a draining device, wherein the spin-drying device is installed on the bottom plate, and the draining device is installed in the spin-drying device. The process for carrying out extrusion molding processing on the outer sheath of the electric wire and cable by using the processing equipment specifically comprises the following steps of extrusion molding, water cooling, fixed-length cutting, spin-drying and draining, and cold air drying. Through joint cooperation of the spin-drying device and the draining device, spin-drying and draining treatment work of the cable sheaths is completed; a plurality of placing frames are arranged in the spin-drying device, so that gaps between the cable sheaths are large, drainage of water is facilitated; and by changing the relative positions of a draining barrel and the placing frames, the shape of the cable sheath in the spin-drying process can be adjusted, and the situation that water is accumulated in the cable sheath is avoided.

Description

technical field [0001] The invention relates to the field of electric power, in particular to a wire and cable outer sheath extrusion molding processing equipment and processing technology. Background technique [0002] The cable sheath is located on the outermost layer of the cable. As the most important barrier to maintain the safety of the internal structure of the cable, it is a plastic product that protects the cable from mechanical damage during and after installation. Cable sheaths are mostly processed by extrusion molding. After molding, they need to be cooled by water immediately to prevent deformation. There are also some problems in the process of drying and draining: [0003] (1) The cable sheath is a hollow cylindrical structure with a soft material. Therefore, when drying it with a dryer or other device, the cable sheath is easily deformed due to mutual extrusion. Once the cable sheath Being squeezed into a shape with a low middle and high sides will cause pa...

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Problems solved by technology

[0003] (1) The cable sheath is a hollow cylindrical structure with a soft material. Therefore, when drying it with a dryer or other device, the cable sheath is easily deformed due to mutual extrusion. Once the cable sheath If it is squeezed into a shape with a low center and high sides, it will cause some cleaning water to accumulate inside and cannot be thrown out, which will affect the thoroughness of drying

[0004] (2) Existing drying machines often only have one drying barrel, and multiple cable sheaths are put into the drying barrel together for drying. In order to improve the drying efficiency, most of the inner space of the drying barrel is covered by cables. The sheath is occupied, the gap between the cable sheaths is small, and the water thrown out cannot be discharged in time, so that the inner and outer surfaces of the cable sheath in the center are easily contaminated with the water thrown out by the surrounding cable sheaths during the drying process. dry effect is not ideal

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