Crushing device

The utility model discloses a smashing device, relates to plastic product smashing technical field, including the casing, the casing is rectangular box shape, the casing both sides are fixedly connected with electric push rod, the movable end of two electric push rod is fixedly connected with U-shaped connecting frame, the casing both sides are equipped with the moving hole, and the moving hole is rectangular, and the connecting frame is connected with the U-shaped connecting frame. One end of the connecting frame slides in the two moving holes, a square extrusion plate is fixedly connected to one end of the connecting frame, a plurality of wall teeth are fixedly connected to the two sides of the extrusion plate and the interior of the shell, and limiting blocks are fixedly connected to the two ends of the extrusion plate. The electric push rod drives the connecting frame to slide to enable the extrusion plate to move, the extrusion plate is matched with wall teeth in the shell, the motor drives the first gea