PVC (polyvinyl chloride) insulating material extruding and feeding device for cable

The utility model discloses a cable PVC insulation material extrusion feeding device which comprises a feeding hopper, a vacuum adsorption machine and a material bin, the input end of the feeding hopper is connected with the output end of the vacuum adsorption machine through a discharging pipe, the input end of the vacuum adsorption machine is connected with a material suction pipe through a feeding pipe, and the end, away from the feeding pipe, of the material suction pipe extends into the material bin; the ball screw is arranged at the top of the material bin and used for driving the material suction pipe to move in the material bin, the output end of the feeding hopper is connected with the extruder, during use, the vacuum adsorption machine sucks materials through the material suction pipe and conveys the materials into the feeding hopper, the materials are conveyed to the extruder through the feeding hopper, and the ball screw drives the material suction pipe to move during material suction, so that man