Polishing device for automobile part machining

The utility model discloses a polishing device for automobile part processing, which comprises a polishing device body, the surface of the output end of the polishing device body is sleeved with a mounting sleeve, the bottom of the mounting sleeve is fixedly connected with a polishing piece, the bottom of the inner wall of the mounting sleeve is fixedly connected with a fixing block, and the fixing block is located in the polishing device body. Clamping grooves are formed in the two sides of the inner wall of the polishing device body, a plate groove is formed in the bottom of the right side of the mounting sleeve, a spring is fixedly connected to the left side of the inner wall of the plate groove, a toothed plate is fixedly connected to the right side of the spring, the right side of the toothed plate extends to the right side of the mounting sleeve, and a gear is arranged on the front side of the toothed plate. The polishing device has the advantage that the polishing piece can be replaced quickly, and the