Wheat straw pulverizer

The utility model discloses a wheat straw crusher, which belongs to the technical field of straw crushing and comprises a first crushing box, four supporting rods and a second crushing box are fixedly connected to the bottom of the first crushing box, and a discharging barrel is fixedly connected to the bottom of the second crushing box. Two rotating shafts are rotationally connected into the first crushing box through bearings, a first motor is fixedly connected to the side face of the first crushing box, and one end of one rotating shaft is fixedly connected with the output end of the first motor; the wheat straw smashing device has the beneficial effects that the first motor and the second motor are arranged, the first motor operates to enable the two rotating shafts to rotate, wheat straw is smashed for the first time through the smashing cutter, the smashed straw flows into the second smashing bin, the second motor operates to enable the two grinding wheels to conduct second-time smashing on the straw th