A non-destructive marking device for spark breakdown point of cable insulation

Abstract

The invention discloses a cable insulation spark breakdown point lossless labeling device. The cable insulation spark breakdown point lossless labeling device comprises a working platform rack, wherein a color labeling device capable of forming a color coating on the outer surface of a cable insulation layer, an executor capable of converting a spark breakdown alarm electric signal into a drive color labeling device turning-on / off power output, and a transmission mechanism capable of transmitting the power output by the executor to a color labeling device control switch, the color labeling device is in an automatic paint spraying manner, an automatic paint spraying tank accommodating and fixing groove adapting to the automatic paint spraying tank in shape and size is formed in the working platform rack, and the executor is a pneumatic executor composed of a control valve and a pneumatic executing mechanism. According to the cable insulation spark breakdown point lossless labeling device, a color label can be automatically and rapidly sprayed on the outer surface of a spark breakdown point insulation layer, the labeling operation can not damage the insulation layer, and the requirement of the labeling operation of a high-speed cable production line can be met.

Description

technical field [0001] The invention relates to a wire and cable production equipment, in particular to a device for marking a spark breakdown point when a spark machine is used to detect an insulating layer during the wire and cable production process. Background technique [0002] In the production process of wire and cable, in order to ensure the quality of the cable insulation layer, it is necessary to use a spark machine to detect the spark breakdown of the cable insulation layer, and mark the breakdown point during the detection process, so that sparks can be found in time in the subsequent process Break down the point and deal with it. There is no special equipment on the market for marking the spark breakdown point of the insulation layer. In the production process, a full-time marking personnel is required to mark the outer surface of the cable insulation layer according to the alarm prompt of the spark machine. Paste colored tape on the insulating layer near the p...

AI Technical Summary

Problems solved by technology

There is no special equipment on the market for marking the spark breakdown point of the insulation layer. In the production process, a full-time marking personnel is required to mark the outer surface of the cable insulation layer according to the alarm prompt of the spark machine. Paste colored tape on the insulating layer near the piercing point. Since the cable is constantly moving during the production process, this marking method has poor accuracy and slow marking speed, and cannot be used in high-speed cable production lines.

Some companies use marking gears that cooperate with each other on both sides of the cable. By squeezing the insulating layer of the cable, tooth marks are formed on the outer surface of the insulating layer of the cable to achieve the purpose of marking the spark breakdown point. However, due to the The insulation layer has a certain degree of elasticity. If the extrusion force of the marking gear is small, the tooth marks formed on the cable insulation layer will naturally recover under the action of elasticity, making it difficult to find the spark breakdown point in time in the subsequent production. , if the gear extrusion force is large, it will cause mechanical damage to the insulation layer of the cable, and the insulation layer will be easily broken in the subsequent twisting, increasing the risk of failure of the insulation layer. In addition, this gear extrusion marking method is used for When the production speed of the cable production line is above 500 m / min, the gears are more likely to damage the insulation layer of the cable and affect the quality of the cable

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