Scale cleaning device for lower roll system of cold straightening machine

The oxide skin cleaning device comprises rollers, a support, a roller box, spiral blades, bearing seats, inclined grooves and a transmission system, the rollers are transversely arranged on the roller box through the support, the bearing seats are arranged at the two longitudinal ends of the roller box, the spiral blades are arranged in the roller box through the bearing seats, and the inclined grooves are formed in the transmission system. The chute is arranged on one side of the roller box corresponding to the tail end of the spiral blade, the transmission system is mounted on the roller box to provide power for the spiral blade and comprises a chain wheel, a chain, a chain wheel shaft and a motor, the chain wheel is mounted at one end of the spiral blade, and the chain wheel shaft and the motor are correspondingly mounted at two transverse ends of the roller box and connected through the chain. The oxide skin cleaning device for the lower roll system of the cold straightening machine is simple in overall s