Full-automatic plate bending machine and control method thereof

The invention relates to a full-automatic plate bending machine and a control method thereof. The plate bending machine comprises a machine body, a main motor or a hydraulic motor, a speed reducer, a fixed driving roll, a movable driven roll, a coiling press roll movable shaft seat and a movable shaft seat opening-closing hydraulic cylinder, wherein the front part and the rear part of the machine body are connected with an automatic loading device and an automatic unloading mechanism respectively; the lower part of the machine body is provided with a plurality of displacement sensing mechanisms correspondingly connected with the movable driven roll; one side of the machine body is provided with an automatic control device; and the automatic control device is connected with the main motor or the hydraulic motor, a lifting hydraulic cylinder, the automatic loading device, the automatic unloading mechanism and the displacement sensing mechanisms respectively through signal transmission lines. The full-automatic