Waste recovery device for carton production

The waste recovery device for carton production comprises a smashing bin, compression rollers are evenly distributed in the smashing bin, fixing rods are arranged at the two ends of each compression roller, a first bevel gear is arranged at one end of each compression roller, a motor box is arranged on the outer side of the smashing bin, a motor is arranged in the motor box, and a second bevel gear is arranged in the motor box. A second bevel gear is arranged at the end, away from the motor, of a motor shaft of the motor. The waste paper board smashing device has the advantages that the multiple sets of pressing rollers are arranged, the spines are arranged on the pressing rollers, waste paper boards can be fully smashed, the pressing rollers are obliquely arranged, the spines can apply downward force to the waste paper boards after penetrating into the waste paper boards, the paper boards are dragged to descend while smashing is conducted, the phenomenon that the paper boards clamp a main machine is avoided,