Paper crushing device

The utility model relates to the technical field of paper crushing equipment, and discloses a paper crushing device which comprises a crushing box, a fixing frame is fixedly connected to the upper portion of the crushing box, mounting grooves are formed in the two sides of the interior of the fixing frame, an electric push rod is fixedly connected to the interior of the mounting groove in the front side, and the output end of the electric push rod is fixedly connected with a sliding block. A limiting block is fixedly connected to the lower portion of the sliding block, a first connecting rod is fixedly connected to the exterior of the sliding block, a push plate is fixedly connected to the other end of the first connecting rod, a second connecting rod is fixedly connected to the rear side of the exterior of the push plate, a guide assembly is arranged at the other end of the second connecting rod, and supporting legs are fixedly connected to the periphery of the lower portion of the smashing box. And the lowe