Cylinder barrel straightening device

The utility model discloses a cylinder barrel straightening device which comprises a placing plate, a plurality of material guiding assemblies are arranged on the top of the placing plate, a belt is arranged outside the material guiding assemblies in a sleeved mode, sliding plates are arranged on the two sides of the placing plate in a sliding mode, a moving frame is fixedly connected to the tops of the sliding plates, and an air cylinder is fixedly connected to the inner wall of the top of the moving frame. An output shaft of the air cylinder is fixedly connected with an extrusion block, two side plates are arranged on the two sides of the moving frame, one side of each side plate is fixedly connected with a push rod motor, a rotating shaft is rotationally arranged between the two push rod motors, and the outer portion of the rotating shaft is fixedly sleeved with two steering wheels. According to the feeding device, the cylinder barrels can be conveniently driven to transversely feed materials, clamping and