Novel back tobacco shred supply system device for cigarette making machine

The utility model discloses a novel back tobacco shred supply system device for a cigarette making machine, comprising a tobacco shred flipping winch (2), a fan winch (3) and an arc base plate (4); at least one of first blowing openings (41) and second blowing openings (42) are arranged on the arc base plate (4); the tobacco shred flipping winch (2) rotates at a high speed to flip the tobacco shred; the first blowing openings (41) blow by means of positive pressure, the tobacco shred moves to the fan winch (3), and is matched with the fan winch (3) to rotate at a high speed so as to generate an air current which is consistent with the direction of the tobacco shred flipping winch (2), and the tobacco shred is forwards transmitted along the cambered surface of the arc base plate (4); and when the tobacco shred is transmitted to an outlet of the fan winch (3), and the second blowing openings (42) blow by means of positive pressure, and are matched with the air current generated when the fan winch (3) rotates at