The crushing method of this series of crushers is the curved extrusion type, and its working principle is: the electric motor drives the belt and pulley, and the movable jaw moves up and down through an eccentric shaft. When the movable jaw rises, the angle between the elbow plate and the movable jaw increases, thereby pushing the movable jaw plate closer to the fixed jaw plate. At the same time, the material is crushed or rolled to achieve the crushing purpose; When the movable jaw descends, the angle between the elbow plate and the movable jaw decreases, and the movable jaw plate separates from the fixed jaw plate under the action of the pull rod and spring. The crushed material is discharged from the lower mouth of the crushing chamber, and as the motor continues to rotate, the crusher moves the movable jaw to periodically crush and discharge the material, achieving mass production.