The wet billet after forming and hot pressing is automatically transferred by truss manipulator. The wet blank belt net is transferred to the hot pressing die through the network rotating manipulator for hot pressing, and the dry blank belt net is transferred out, and the dry blank semi-finished product is transferred to the loading and unloading manipulator by the transfer manipulator. Cutting edge loading and unloading manipulator with 180 degrees without clearance rotation, to achieve the cutting machine feeding and feeding.