Descaling straightening and withdrawal machine

The utility model relates to a scale breaking withdrawal straightening machine which comprises an electric control system, two groups of bending roller sets (3) arranged on a machine frame (2), a group of straightening roller sets (1) and a turning roller set (4) positioned on the inlet, wherein the turning roller set (4) comprises a turning roller seat (7) and a turning hydraulic cylinder (6); the turning roller seat (7) and the turning hydraulic cylinder (6) are rotatably connected with supporting seats (5A , 5B) through rotation shafts (29); the upper roller set of the straightening roller sets (1) comprises one or two synchronous quick opening mechanisms, one or two hydraulic driving mechanisms and an upper straightening roller frame (14); the upper straightening roller frame (14) is provided with an upper straightening roller seat (13) and a rolling wheel (15) of an upper straightening work roller (12); and each upper roller set of the two groups of bending roller sets (3) is additionally provided with one or two synchronous quick opening mechanisms. The utility model has the advantage of flexible and accurate operation, can realize accurate, synchronous and quick conversion between a wok position line and an opening position lien, guarantees scale breaking straightening work, and improves scale breaking straightening effect.