Polishing device for automobile parts

The utility model relates to the technical field of auto spare parts, in particular to a polishing device for auto spare parts, which comprises a grip, a cutting disc and a polishing disc, a control head is integrally arranged on one side of the grip, a butt joint table is integrally arranged on one side of the control head, a butt joint groove is arranged on one side of the butt joint table, and a rotating shaft is inserted in the butt joint groove and horizontally penetrates through the butt joint table. A first bevel gear is arranged in the control head in a sleeving mode through a power shaft, and a second bevel gear is arranged on the side, inserted into the control head, of the rotating shaft in a sleeving mode. The fixing rod can be controlled to stretch out through the rotary knob, danger caused by slippage of the nut is prevented, meanwhile, the grinding disc can be installed and fixed through the fixing rod, the same device can be used for different functions, cost is saved, and safety performance i