Edge folding device of double-needle lockstitch sewing machine

The utility model relates to the technical field of lockstitch sewing machines, and discloses an edge folding device of a double-needle lockstitch sewing machine, which comprises a mounting plate, a supporting plate is fixedly connected to the upper end of the mounting plate, an edge folding plate is fixedly connected to one side of the supporting plate, an L-shaped fixing plate is connected to the upper end of the mounting plate through a translation mechanism, and two fixing cylinders are fixedly connected to the side wall of the fixing plate. The fixing cylinder penetrates through the fixing plate, rotating shafts are rotationally connected into the fixing cylinder through first bearings, the rotating shafts are fixedly sleeved with pressing rollers, the horizontal position of the edge folding plate is located between the two pressing rollers, a transmission mechanism is arranged between the two rotating shafts, a bent positioning plate is fixedly connected to the side wall of the fixing plate, and a drivi