Polishing device for automobile parts

The utility model relates to the technical field of automobile part production, in particular to a polishing device for automobile parts, which comprises a workbench and a mounting component, the mounting component comprises a support shaft, a gear, a lifting rod, a support arm, a polishing component and an adjusting component, the support shaft is fixedly connected with the workbench and is positioned on one side of the workbench, and the gear is positioned on the other side of the workbench; the gear is rotationally connected with the supporting shaft and located on the side, away from the workbench, of the gear, the lifting rod is fixedly installed on the gear and located on the side, away from the supporting shaft, of the gear, the supporting arm is fixedly connected with the lifting rod and located at the end, away from the gear, of the lifting rod, the grinding component is installed on the supporting arm, and the adjusting component adjusts the grinding angle. The problem that in the prior art, a grind