Trimming and backstitching driving structure for computerized flat sewing machine

The utility model belongs to the technical field of computerized flat sewing machines, and particularly relates to a trimming and backstitching driving structure for a computerized flat sewing machine. The trimming and backstitching driving structure comprises a trimming driving rod and a backstitching connection rod, wherein the trimming driving rod drives a trimming mechanism to move and the backstitching connection rod drives a backstitching mechanism to move. A bidirectional electromagnet is mounted on a bottom plate of the flat sewing machine, and two ends of a bidirectional electromagnet driving rod are connected with the trimming driving rod and the backstitching connection rod respectively. The bidirectional electromagnet provides driving force for automatic trimming and backstitching, the trimming and backstitching driving structure is simple in structure, convenient for production and applicable to flat sewing machines, and cost can be greatly saved.