Automatic coating device for insulating layer of electric wire and cable

The utility model provides an electric wire and cable insulation layer automatic coating device which comprises an operation table, a polishing device is arranged on the upper top of the operation table, a pay-off rack is fixedly connected to the upper top of the operation table, an operation panel is fixedly connected to the side face of the operation table, and a coating machine is fixedly connected to the upper top of the operation table. A spraying box is fixedly connected to the upper top of the operation table, a take-up frame is fixedly connected to the upper top of the operation table, a fixing device is arranged on the surface of the take-up frame, the grinding device comprises a fixing frame fixedly connected to the upper top of the fixing frame, a grinding ring is fixedly connected to the upper top of the fixing frame, and the grinding ring is composed of two semi-arc blocks. The surface of the grinding ring is fixedly connected with abrasive paper, the surface of the abrasive paper is fixedly conn