Wire and cable plastic film winding and stretching device

The invention relates to the technical field of cable production, in particular to a wire and cable plastic film winding and stretching device which comprises a pay-off mechanism, a winding mechanism and a take-up mechanism which are sequentially arranged, the winding mechanism comprises a supporting disc, a through hole is formed in the middle of the supporting disc, a winding gear is rotationally connected to the outer wall of one end of the supporting disc, and a winding motor is arranged at the other end of the supporting disc; an output shaft of the winding motor is connected with a driving gear meshed with the winding gear, the side face of the driving gear is connected with an adjusting base, a sleeve rod used for containing a plastic film is arranged on the adjusting base, a locking gear and an adjusting gear which are meshed with each other are sequentially arranged on the adjusting base in the direction away from the supporting disc, and one end of the sleeve rod is fixedly connected with the adjust