Deburring device and deburring method for automobile part machining

The deburring device comprises a shell, the inner wall of the shell is rotationally connected with an outer grinding barrel, the inner wall of the outer grinding barrel is rotationally connected with an inner rotating shell, the outer grinding barrel and the inner rotating shell are both driven by a servo motor, the outer grinding barrel is filled with grinding sand, and the inner rotating shell is arranged in the outer grinding barrel. A set of sand turning pieces distributed in a circumferential array mode are fixedly installed on the inner wall of the outer grinding cylinder, a clamping table is fixedly installed on the end face of the inner rotating shell, two symmetrically-arranged clamping mechanisms are installed on the inner wall of the clamping table, and a transmission lead screw driven through a transmission shaft is rotationally connected to the inner wall of the clamping table. According to the automobile part deburring device, the outer grinding barrel, the inner rotating shell and the grinding