Automatic polishing equipment for zinc alloy die castings

The utility model discloses automatic polishing equipment for zinc alloy die castings, which relates to the field of polishing of the zinc alloy die castings and comprises an equipment body, a hydraulic lifting rod is fixedly connected to the center of the top of the equipment body, a pressing plate is fixedly connected to the bottom of the hydraulic lifting rod, and a water tank is fixedly connected to the top of an inner cavity of the equipment body. A working bin is formed in the center of an inner cavity of the equipment body, a loading assembly is rotationally connected to the center of the bottom of an inner cavity of the working bin, a fixed column is fixedly connected to the opposite sides of the two driving assemblies, a movable column is movably connected to one end of the fixed column, and a polishing belt is fixedly connected to the other end of the movable column. Movable blocks are symmetrically and fixedly connected to the front and back of the bottom of the driving assembly. According to the a