Clamping device for forging

The invention relates to a clamping device for forging. The clamping device comprises a supporting seat, wherein a pair of air cylinders is symmetrically arranged on the two sides of the supporting seat; a piston rod of each air cylinder is hinged to one end of a clamping arm; the clamping arm is hinged to the supporting seat; a pair of brackets are symmetrically fixed on the two side wall surfaces of the fixed air cylinder of the supporting seat; each bracket is L-shaped and positioned on the outer side of the clamping arm; a propping air cylinder is connected to the free end of the bracket; a piston rod of the propping air cylinder extends to the other end of the clamping arm. According to the clamping device, the clamping action force of a forge piece can be increased and the safety can be improved.