Central conveying belt for packaging box production

The utility model discloses a packing box production central conveyor belt, which comprises a conveyor belt frame, an opening and a support platform, the opening is arranged on the side surface of the conveyor belt frame, the support platform is fixed in the opening and is positioned in the conveyor belt frame, the conveyor belt frame and the support platform are provided with a take-out structure, and the take-out structure is arranged on the conveyor belt frame and the support platform. The taking-out structure comprises a first telescopic air cylinder, a correcting frame, a pushing part and a collecting part. The positions of the packaging boxes conveyed on the conveying belt can be corrected through the correcting frame, deflection is avoided, then the packaging boxes are pushed outwards one by one through the second telescopic air cylinder and collected after being pushed out, the height of the collecting position can be gradually lowered downwards, the collecting amount is increased, the packaging boxes