Crank type particle shearing machine

The utility model relates to a crank type particle shearing machine which comprises a bottom plate, side frames, a top plate, a barrier strip, a cushion block, a motor, a bearing seat, a coupler, a rotating shaft, a shaft seat, a rotating disc, a traction block, a traction shaft, a blade, a material pressing assembly, a supporting assembly, a discharging assembly and a guide assembly. The motor and the bearing seat are sequentially fixed on the upper plane of the cushion block from back to front, the rotating shaft is arranged in the bearing seat in a penetrating mode, the rear end of the rotating shaft is connected with a rotating shaft of the motor through a coupler, and the front end of the rotating shaft is fixed in the center of the rear side of the rotating disc through a shaft seat.A transverse groove is formed in the upper end of the traction block, and the front end of the traction shaft is movably inserted into the transverse groove; according to the utility model, the structure is simplified, and h