Roll shaft structure capable of being quickly disassembled and assembled

The utility model discloses a roll shaft structure capable of being quickly disassembled and assembled. The roll shaft structure comprises a first supporting seat, a second supporting seat and a rotating roll, wherein the first supporting seat and the second supporting seat are arranged on a machine table at the same height; the first supporting seat is provided with a first U-shaped open groove and a first threaded inclined hole communicated with the open groove, the second supporting seat is provided with a second U-shaped open groove and a second threaded inclined hole communicated with the open groove, the first U-shaped open groove and the second U-shaped open groove are opened in the radial direction of the rotating roller and are symmetrically arranged in the same direction, and the rotating roller comprises a sleeve and a center shaft. The two ends of the sleeve are connected to the center shaft in a sleeving mode through bearings, the two tail ends of the center shaft are placed in the first U-shaped