Accessory polishing device

The utility model relates to the field of polishing, in particular to an accessory polishing device which comprises a base, a supporting piece, a transverse sliding support, a sliding connecting piece, a vertical sliding support, a vertical lifting motor, a motor support, a driving motor, a rotating support, a polishing wheel and a shell. The top of the base is connected with the support; the top of the supporting piece is connected with the transverse sliding support. Sliding blocking pieces are arranged on the side surface of the transverse sliding bracket and two ends of the side surface of the transverse sliding bracket; the side face of the transverse sliding support is slidably connected with the sliding connecting piece. The end, away from the transverse sliding support, of the sliding connecting piece is connected with the vertical sliding support. By means of the device, the surface finish machining effect of the metal piece can be effectively improved, finish machining can be carried out on the surf