Winding and unwinding inflatable chuck for slitting rewinding machine

The utility model discloses a winding and unwinding inflatable chuck for a slitting rewinding machine, which comprises two chuck main bodies which have the same structure and are symmetrically arranged, a paper core is sleeved between the two chuck main bodies, one end of one chuck main body is connected with a driving chuck connecting seat, one end of the other chuck main body is connected with a driven chuck connecting seat, and the other end of the other chuck main body is connected with a driven chuck connecting seat. Rotating shafts are connected to the driving chuck connecting seat and the driven chuck connecting seat; the clamping head main body comprises a barrel part and an annular part which are connected, the barrel part is of a hollow barrel-shaped structure, an air bag is arranged in the barrel part, key bars which are inflated and bounce outwards are uniformly distributed on the pipe wall, and the outer diameter of the barrel part is in clearance fit with the inner diameter of a paper core; an i