Automatic feeding and sub-packaging assembly line for packaging bags

The invention relates to the field of assembly lines, and discloses an automatic packaging bag feeding and subpackaging assembly line which sequentially comprises a packaging bag feeding mechanism, a packaging bag subpackaging mechanism and a single bag feeding assembly according to the process flow. The packaging bag feeding mechanism is used for conveying and feeding multiple packaging bags at a time, the packaging bag separating mechanism is used for grabbing and feeding the multiple packaging bags conveyed by the packaging bag feeding mechanism at a time, and the single bag feeding assembly is used for conducting secondary recognition on the packaging bags conveyed by the packaging bag separating mechanism and being in butt joint with the next procedure; packaging bags are transferred between the packaging bag feeding mechanism and the packaging bag separating mechanism through a transferring mechanism, the packaging bag packaging machine further comprises a workbench, and the feeding mechanism, the packa