Unreeling device of slitting machine

The utility model discloses an unwinding device of a slitting machine, which relates to the technical field of slitting machines, and comprises a feeding frame and two lifting components, a fixed roller is arranged in the middle of the feeding frame, a same movable roller is arranged between the two lifting components, one side of each lifting component is fixedly connected with a gradienter, and the other side of each lifting component is fixedly connected with a rotating shaft. The top of the gradienter is fixedly connected with a graduated scale, the side, located on the lifting assembly, of the discharging frame is fixedly connected with two pairs of extension plates, one ends of the two pairs of extension plates are jointly and fixedly connected with the same containing frame, a cleaning piece is arranged in the middle of the containing frame, and one side of the outer portion of the discharging frame is fixedly connected with a controller. The horizontal adjusting structure of the movable rotating shaft