Fixed-width unwinding device for braid

The utility model discloses a braid fixed-width unreeling device, which comprises an adjusting device and a positioning device, the adjusting device comprises a mounting plate, the right side of the mounting plate is provided with a shell, the upper part and the lower part of the inner left side of the shell are respectively and rotatably connected with two screw rods, the two screw rods are in threaded connection with an adjusting plate, and the adjusting plate is provided with a positioning device. Two connecting plates are arranged at the top and the bottom of the inner wall of the shell correspondingly, two motors are arranged on the left sides of the two connecting plates correspondingly, the output ends of the two motors are fixedly connected with two first gears correspondingly, and the left ends of the two lead screws are fixedly connected with two second gears correspondingly; the two first gears are engaged with the two second gears correspondingly, and a push rod is arranged on the right side of th