Pickling line scale breaking withdrawal and straightening machine

The invention discloses a pickling line scale breaking withdrawal and straightening machine. The pickling line scale breaking withdrawal and straightening machine comprises two bending roller sets, a material roller, a straightening roller set and two dedusting devices, wherein the two bending roller sets are arranged on a machine frame, the material roller is located on the inlet side of a plate strip, the straightening roller set is located on the outlet side of the plate strip, and the two dedusting devices are arranged at an outlet of the plate strip. Two upper bending roller systems of the two bending roller sets are suspended on a cross beam of the machine frame through an A lifting mechanism oil cylinder and a B lifting mechanism oil cylinder respectively, and two lower bending roller systems of the two bending roller sets are connected with an A worm gear lead screw lift and a B worm gear lead screw lift respectively. The straightening roller set comprises a lower straightening roller system and two u