Automobile steering casting surface polishing device

The utility model discloses an automobile steering casting surface polishing device which comprises a polishing bin, fixing clamping plates are installed at the output end of an electric push rod, a piece to be polished is clamped between the fixing clamping plates, a servo motor is installed on one side of the lower end of the outer wall of the polishing bin in an inserted mode, and a driving gear is installed at the output end of the servo motor. The driving gear is connected with the driving tooth groove in a meshed mode, and a sliding ball is installed on the other side of the fixing plate in an embedded mode and connected with the clamping fixing plate in a rolling mode. According to the automobile steering casting surface polishing device, a to-be-polished part can be driven to be stably fed through the driving tooth groove and the driving gear, the polishing soft cushion can be driven to be inflated through the blowing and sucking mechanism, the upper air guide pipe and the side air guide pipe, the to-