Plastic die steel polishing treatment equipment

The utility model discloses polishing treatment equipment for plastic die steel. A conveying device is arranged on the upper surface of the workbench. Auxiliary fixing devices are arranged on the upper surface of the workbench and located on the two sides of the conveying device. A top mounting base is arranged on the upper side of the workbench. And a mounting cavity is formed in the top mountingbase, a lead screw is arranged between the side walls of the two sides of the mounting cavity, a first electric telescopic rod is arranged at the lower end of the connecting block, a second electrictelescopic rod is arranged at the telescopic end of the first electric telescopic rod, and a second motor is arranged at the telescopic end of the second electric telescopic rod. According to the utility model, a to-be-polished plastic die steel plate is conveyed through the conveying device; a plastic die steel plate is fixed through the auxiliary fixing device, meanwhile, a polishing wheel can be moved to a designated po