Alloy shell precision forging device

The invention belongs to the technical field of alloy machining, and particularly relates to an alloy shell precision forging device which comprises an air cylinder fixedly connected to the top of a workbench. The top plate is fixedly connected to the top of the cylinder output end; the casting equipment main body is arranged below the top plate; the casting equipment main body is a driving mechanism for casting a casting; the casting seat is arranged at the top of the workbench; the protection mechanism is arranged on the outer side of the casting seat; the arc-shaped plate is arranged, the electric push rod is started, the output end of the electric push rod drives the movable rod to ascend and descend through the pin shaft, the other end of the movable plate is rotationally connected to the movable plate through the pin shaft, and when the electric push rod drives the movable rod to move upwards, the connecting rods rotate in the direction of the electric push rod; the connecting rods drive the movable pla