Small full-automatic glass crushing device and crushing method

The invention relates to a glass crushing device and a crushing method, and provides a small full-automatic glass crushing device and a crushing method in order to solve the problems that an existing glass crushing device is large in size, high in manufacturing cost and high in operation difficulty. The device comprises a crushing device and a conveying device arranged below the crushing device; the crushing device comprises two supporting columns, a linear motor, a U-shaped connecting plate with two side plates connected with the two supporting columns correspondingly, a reinforcing plate arranged on a bottom plate of the U-shaped connecting plate, an upper extrusion plate arranged on the lower surface of the bottom plate of the U-shaped connecting plate, a crushing box arranged below the upper extrusion plate and a plurality of protection plates arranged on the edge of the crushing box. The monitor is arranged on the outer wall of the crushing box; the lower extrusion plates are arranged on two opposite inn