Water-cooled stranding device used in the stranding production of cable conductive cores

Abstract

The invention relates to a water-cooled stranding device used in a cable-conductive-core strand production. The device comprise: a mold body which has a stranding hole; a mole base which is fixed and arranged coaxially on a periphery of the mold body; a water supply system. The mole base is provided with a cyclic space which surrounds the mold body. A water inlet and a water outlet are symmetrically arranged on an outer wall of the mole base, wherein the water inlet and the water outlet are connected with the cyclic space. The water supply system comprise: a water tank; an inlet pipe which isconnected with the water inlet; an outlet pipe which is connected with the water outlet; a water pump which is arranged in the water tank and used to pump water into the cyclic space so as to form a water cycle of the cyclic space and the water tank. By using the stranding device, product qualities can be improved and the water can be recycled so that production costs can be substantially reduced.

Description

[0001] technical field [0002] The invention relates to a device for twisting conductive wire cores in the cable production process. [0003] Background technique [0004] At present, stranding molds in cable production usually consist of a mold body and a shell fixed on the outer periphery of the mold body. The temperature of the main body of the mold is high, and the high temperature will cause the conductor to oxidize and blacken, thereby affecting the quality of the cable. In order to lower the temperature, in the prior art, transformer oil or industrial alcohol is directly dripped onto the wires for cooling. This cooling method will have the following disadvantages: [0005] (1) Transformer oil is adhesive and has impurities. Industrial alcohol contains water. At high temperature, the impurities in transformer oil and the water in industrial alcohol can easily cause an oxide film on the surface of the conductor and make the conductor black; [0006] (2) During the e...

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Problems solved by technology

[0006] (2). During the extrusion process, the residual oil and water will produce gas, which will cause insulation protrusion and affect the quality of the cable;

[0007] (3), transformer oil or industrial alcohol is not recyclable and can only be used once, which increases the production cost;

[0008] (4), the cooling with transformer oil or alcohol is not uniform, it is local cooling, and the mold is easy to be damaged;

[0009] (5), alcohol is flammable and unsafe

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