Paper guiding device for rewinding machine

The utility model relates to the field of rewinding machines, in particular to a paper guiding device for a rewinding machine, which comprises a rack, an unwinding mechanism and a connecting structure, the unwinding mechanism comprises a rotating shaft, a fixed disc, a dismounting disc and an air expansion shaft, the rotating shaft is rotatably arranged on the rack, the fixed disc is fixed at the left end of the rotating shaft, the dismounting disc is sleeved at the right end of the rotating shaft, and the air expansion shaft is arranged on the rack. Four groups of air swelling shafts are annularly arranged, the left ends of the air swelling shafts are fixedly connected to the fixed disc, the right ends of the air swelling shafts are inserted into the detaching disc, the detaching disc is provided with inserting blocks inserted into the ends of the air swelling shafts, the rack is provided with guide rollers located on the right sides of the air swelling shafts, and the connecting structure comprises a lower