Collecting device for recycling firework plastic barrels

The utility model relates to the technical field of firework cylinder recovery, in particular to a collecting device for firework plastic cylinder recovery, which comprises a box body, the feeding opening is formed in the upper end of the box body; the first motor is fixedly mounted on the inner wall of the front end of the box body; the first gear is fixedly mounted at the output end of the first motor; the second gear is rotationally mounted on the right side of the first gear, and the second gear is meshed with the first gear; and the first grinding roller is fixedly mounted on the rear side of the first gear. Recycled firework plastic barrels enter the box body through the feeding port, the firework plastic barrels entering the box body are ground by the first grinding roller and the second grinding roller, so that mud bottoms on the inner walls of the firework plastic barrels are smashed, the smashed mud bottoms are discharged from the firework plastic barrels, and then the firework plastic barrels and t