Automatic cleaning device for copper bars

The utility model discloses an automatic cleaning device for copper bars. The automatic cleaning device comprises a cleaning box, a cleaning assembly, a discharging assembly and a pushing assembly. A supporting cylinder is arranged on the bottom face in the cleaning box, a conveying cylinder is arranged on the right side of the upper end of the supporting cylinder, a feeding hopper is arranged at the right end of the conveying cylinder, and clamping devices are symmetrically arranged at the front end of the inner wall of the conveying cylinder; the cleaning assembly is arranged in the supporting cylinder and corresponds to the conveying cylinder in position; the discharging assembly is arranged on the left side wall of the cleaning box and corresponds to the cleaning assembly in position. The pushing assembly is rotationally connected to the right ends of the front side wall and the rear side wall of the cleaning box and corresponds to an avoiding groove formed in the lower end of the outer arc face of the co