Scrap iron surface treatment device

The utility model relates to the technical field of scrap iron treatment, and particularly discloses a scrap iron surface treatment device which comprises a cleaning box, a concave groove is formed in the upper end face of the cleaning box, and a drainage hole is formed in the bottom of the cleaning box; clamping mechanisms are connected to the left side and the right side of the inner wall of the cleaning box through damping rotating shafts, and each clamping mechanism comprises a clamping cylinder, a reset spring, a moving cylinder and memory rubber; according to the scrap iron surface cleaning device, the fixing barrel, the sliding block and the fixing rod are matched with the fixing block, the motor and the grinding block, a worker can start the motor to drive the grinding block to rotate, the grinding block can grind the surface of scrap iron, and therefore dirt and rust on the surface of the scrap iron can be conveniently cleaned; and a worker can grasp the fixing block to move leftwards, rightwards, fo