Clamping device for gear grinding of shaft workpieces

The utility model provides a clamping device for shaft type workpiece gear grinding, which comprises two mounting racks which are symmetrically arranged, a mounting seat, a guide seat, a material suction cover and a support plate, the mounting seat and the guide seat are symmetrically arranged on the two mounting racks, the mounting seat is rotatably connected with the corresponding mounting rack, the guide seat is fixedly connected with the corresponding mounting rack through a mounting rod, and the material suction cover is fixedly connected with the support plate. Inserting holes allowing workpieces to be inserted are formed in the sides, opposite to the guide seats, of the mounting seats, clamping assemblies used for clamping the workpieces are arranged in the inserting holes, inserting grooves allowing the workpieces to be inserted are formed in the sides, opposite to the mounting seats, of the guide seats, the supporting plate is arranged between the two mounting frames, and the material suction cover i