Surface treatment equipment for spraying plastic part

The utility model relates to the technical field of plastic part processing, in particular to surface treatment equipment for spraying plastic parts, which comprises a base, an electric push rod and a polishing disc, a fixed rod is fixedly connected onto the base, a screw rod is rotatably connected onto the fixed rod, a moving block is connected onto the screw rod through threads, a sliding groove is formed in the fixed rod, and the electric push rod is connected with the moving block through threads. The moving block is fixedly connected with a sliding block which is in sliding connection with the sliding groove. According to the plastic plate side wall polishing device, under the action of the electric push rod, the bearing plate drives the plastic plates to move in the horizontal direction, burrs, sharp edges and the like on the side walls of the plastic plates can be conveniently polished to be smooth through the polishing discs, the plastic plates can be stacked on the bearing plate, and therefore the si