Tire body cord fabric edge trimming device of tire

The utility model provides a tire body cord fabric edge trimming device of a tire, which is arranged on a calendar. The edge trimming device comprises a frame of the calendar; a cross beam is arranged on the calendar frame; a support beam is arranged below the cross beam; brackets are arranged on the two sides of the cross beam; air cylinders are connected below the brackets; connecting rods hinged below piston rods of the air cylinders are hinged with cutter shafts of disc cutters; the cutter shafts are hinged with the support beam; the disc cutters are arranged at the other ends of the cutter shafts; and cutting edges of the disc cutters are close to an excircle of a cord fabric guide roll of the calendar. According to the edge trimming device provided by the utility model, rubber edges are directly trimmed on the steel wire calendar instead of steel wires and the rubber edges trimmed down can be directly returned to the calendar to be reutilized, so that the aim of wasting neither the steel wires nor rubbe