Method and device for automatically guiding and correcting strip with upward end

The invention discloses a method and a device for automatically straightening wrapped band materials. In the method, the front end of doorframe-shaped equipment (4) is provided with a straightening device, the straightening device is provided with a straightening plate (3) which can enlarge a straightening area, the straightening plate (3) is provided with a guiding length area and a pipe socket area B, a stop block can stop the straightening plate (3) rotating after clockwise rotating to a horizontal position, and the straightening plate (3) can counterclockwise rotate in a sharp angle. The device has smooth band penetrating process and stable quality, is safe and reliable, reduces the damage of equipment or the injury of operators and the intervention degree of band penetration by the operators and the labor intensity, enhances the reliability and the stability of a system of the equipment, and realizes the one-click type automatic operation. In addition, the device also has simple structure, low manufactur