Slidable self-adaptive outer diameter and outer circle polishing and derusting device

The utility model discloses a slidable self-adaptive outer diameter excircle polishing derusting device, which comprises a bottom plate, a left group of driving slide rails and a right group of driving slide rails are embedded and installed at the top of the bottom plate, a limiting seat is movably installed on the back surface of the bottom plate, and the tops of the two groups of driving slide rails are connected with sliding seats in a sliding manner; supporting plates are fixedly installed on the tops of the two sets of sliding seats, a driving motor is fixedly installed on one side of the supporting plate on one side of the two supporting plates, a grinding wheel is fixedly installed at the output end of the driving motor, and reinforcing plates are fixedly installed on the opposite faces of the two sets of sliding seats. According to the utility model, through the sliding property of the sliding seat on the driving sliding rail and the matching between the reinforcing plate and the fixed seat through th