Lateral automatic binding mechanism for paper angle beads

The utility model discloses a paper angle bead lateral automatic binding mechanism which comprises a lateral paper angle bead automatic binding assembly arranged on the side face of a machine frame. The assembly comprises a longitudinal base connected to the side face of the rack, a binding box used for containing a plurality of sets of staple pieces which are transversely arranged in an overlapped mode, a guide channel extending from the side face of the binding box to the staple outlet direction, and a blade positioning plate vertically arranged at the tail end of the guide channel. The longitudinal pushing mechanism is used for pushing the nail piece at the bottommost part in the binding box to longitudinally move towards the blade positioning plate, the blade fixing frame is used for being driven by external force to conduct transverse binding, and the horizontal pushing mechanism penetrates through the outer side of the binding box and is used for pushing the nail pieces in the binding box inwards. A lon