Plastic product coating auxiliary device

The utility model discloses a plastic product coating auxiliary device which comprises a coating auxiliary box and a conveying belt, the conveying belt is installed inside the coating auxiliary box, the two sides of the conveying belt both penetrate through and extend to the outside of the coating auxiliary box, two drying rings are fixedly connected to the inner wall of the coating auxiliary box, and the drying rings are arranged on the inner wall of the coating auxiliary box. And the conveying belt is located on the inner circle of the drying ring, uniformly-distributed drying holes are formed in the inner wall of the drying ring, the interiors of the drying holes communicate with the interior of the drying ring, an air heater is installed in the coating auxiliary box, and the air heater communicates with the interior of the drying ring through a pipeline. According to the utility model, the annular drying ring is arranged to dry a plastic product, so that the surface of the plastic product is dry, the coat