Stacking machine for carton production

The invention relates to a stacking machine for carton production, and belongs to the technical field of carton production equipment. The stacking machine comprises a first roller conveying belt, a second roller conveying belt, a packing machine, and a tray. A stacking assembly is arranged at the end, away from the packing machine, of the second roller conveying belt. Corner protectors and a feeding assembly are arranged on the packing machine. A material pushing assembly is arranged on the upper end face of the packing machine. The upper end face of the packing machine is fixedly connected with a positioning block. The section of each corner protector is in a U shape. The packing machine is electrically connected with a control unit. A first air cylinder is fixedly connected with the sidewall, close to the second roller conveying belt, of a packing frame of the packing machine. A pressing plate is fixedly connected with a telescopic rod of the first air cylinder. The feeding assembly, the material pushing as