Packaging carton perforating machine

The utility model is applicable to the technical field of carton processing, and provides a packaging carton perforating machine which comprises a base, a supporting device and a perforating device, a limiting plate is arranged on the base, the supporting device is fixed by the limiting plate, and the perforating device is arranged on the base. The supporting device is a rectangle with the adjustable length and width and composed of a transverse supporting rod, a longitudinal supporting rod, a connecting rod, a top plate and a side plate, a support is arranged on the base, a punching device is connected to the support, a waste opening is formed in the base, a waste box is arranged in the base, a handle is arranged on the outer side of the waste box, and the handle is connected with the punching device. The punching device can punch paper boxes from the upper portion and the two sides, the supporting device can adapt to different types of formed paper boxes within a certain range and is used for preventing the