Automatic fuel crushing device

The utility model discloses an automatic fuel crushing device which comprises a box body, a motor is fixedly connected outside the box body, a rotating shaft is rotatably connected inside the box body, the rotating shaft is fixedly connected with the output end of the motor, a stirring rod is rotatably connected inside the rotating shaft, and a horizontal gear is fixedly connected outside the stirring rod. A rotating rod is rotationally connected into the rotating shaft; the fuel smashing device has the advantages that the motor is started to drive the rotating shaft to rotate, the rotating shaft drives the stirring rod to smash fuel, in the process, the bevel gear ring and the bevel gear drive the rotating rod to rotate, the rotating rod drives the circular plate to rotate, and then the circular plate drives the rack to move back and forth through the connecting rod; when the rack moves back and forth, the horizontal gear is driven to rotate, then the horizontal gear drives the stirring rod to rotate, the st