The invention relates to the technical field of part
machining, and discloses a
surface finishing device for part
machining. The
surface finishing device comprises a device bottom plate, the top of the device bottom plate is provided with an
insertion finishing cleaning mechanism and a hidden
sand blasting mechanism. The finishing mechanism comprises an electric
telescopic cylinder, a device top plate, a
motor protection cover, a motor, a
motor shaft, a rotating rod, an upper cover cylinder, a lower cover cylinder, a connecting cylinder, round holes, clamping holes, a connecting
pipe, a clamping plate, cleaning bristles, a cleaning box body, a bearing, an outer ring and an inner ring. According to the
surface finishing device for part
machining, the inner ring and the outer ring are arranged on the outer side of the rotating rod, multiple fixing rods are supported between the inner ring and the outer ring,
grinding balls and
grinding blocks on the fixing rods are utilized, in the rotating process, double
grinding of the grinding balls and the grinding blocks can be carried out on parts, meanwhile, after the connecting cylinder descends and is clamped into the connecting
pipe, and when the rotating rod rotates, the connecting
pipe and the cleaning bristles are driven to rotate, so that the surfaces of the ground parts are cleaned, and a grinding mechanism and the cleaning mechanism are integrated.