Combined die shear

The invention discloses a combined die shear and relates to the field of machinery. The combined die shear comprises a frame, a front cutter plate, a rear cutter plate and power oil cylinders and is characterized in that the frame is provided with a support frame, the front cutter plate is fixed to the lower portion of the support frame through a connecting plate, the rear cutter plate is arrangedabove the front cutter plate in a coordinated manner, and the piston rods of the power oil cylinders are fixedly connected with the upper end of the front cutter plate; a workpiece channel is arranged in the middle of the front cutter plate, a first fixing lug and a second fixing lug are arranged at the rear of the front cutter plate, the first fixing lug is fixed on the rear side of the front cutter plate, a first transverse adjusting arm is connected to the left side of the second fixing lug, the first fixing lug and the second fixing lug are symmetrically arranged, an adjusting screw is movably connected to the en