Polishing device for automobile part machining

The utility model belongs to the field of automobile parts, and particularly relates to a polishing device for automobile part machining, which comprises a top plate, the bottom of the top plate is fixedly connected with a base, the outer wall of the top plate is provided with a first motor, and an output shaft of the first motor is movably connected with a lead screw through a coupler. The outer wall of the lead screw is fixedly connected with a fixing clamp. According to the grinding device for automobile part machining, the position of an automobile part body can be fixed during grinding, position movement of the automobile part body during grinding is avoided, the outer portion of the automobile part body can be precisely ground, and the working efficiency of grinding the outer wall of the automobile part body is improved; the grinding device for automobile part machining solves the problems that the exterior of a common automobile part cannot be fixed in the grinding process, so that the position of the