Straightening machine for machining ultrathin metal plate strip

The invention discloses a straightening machine used for machining ultrathin metal plate strips, and particularly relates to the technical field of metal plate machining, the straightening machine comprises a protective outer frame, supporting legs are connected to the lower portion of the protective outer frame, an observation door is arranged outside the protective outer frame, a guide plate and a placing plate are arranged on one side of the protective outer frame, the guide plate is located on the upper side of the placing plate, and the guide plate is located on the lower side of the placing plate. And a guide groove is formed in the placing plate. By arranging an auxiliary wheel, a straightening wheel, a second driving assembly, a rotating hollow shaft, bristles and a dust collection assembly, at the moment, a second gear controls the rotating hollow shaft and a rotating pipe to rotate, meanwhile, the dust collection assembly works, and the rotating pipe drives the cleaning bristles to brush and clean t