Motor drives belt and pulley when the jaw crusher works, the moving jaw plate goes up and down through the eccentric shaft and keeps on closing to the fixed jaw plate. Materials are crushed and ground many times between the moving jaw plate and the fixed jaw plate. After the first crushing, the moving jaw plate leaves the fixed jaw plate by influence of rod and spring, and materials which are crushed to appropriate size are discharged from the outlet below the jaw cavity under the action of gravity. With the motor continuous rotating, the moving jaw plate will crush and discharge stuffs periodically to fulfill the mass production. Henan Liming Heavy Industry Sc...