Four-roll-shaft intelligent full-numerical-control roll bending production line unit

The four-roll-shaft intelligent full-numerical-control roll bending production line unit comprises a fixing frame and a plate rolling machine located at the lower end of the fixing frame, and an automatic feeding area and an automatic discharging area are arranged at the positions, on the two sides of the plate rolling machine, of the lower end of the fixing frame correspondingly; the automatic feeding area is provided with a plate storage frame used for storing plates to be machined, a pushing mechanism used for correcting the plates and conveying the plates to the plate rolling machine, and a transferring mechanism used for transferring the plates from the plate storage frame to the pushing mechanism. The automatic discharging area is provided with a formed product storage rack used for containing rolled plates and a discharging conveying mechanism used for automatic discharging. The device is simple in structure and reasonable in design, the suction position during discharging can be properly adjusted acco