Disassembling and assembling wrench for annular nut of knife roll of tobacco cutter for tobacco production line

The utility model discloses a dismounting wrench for an annular nut of a knife roll of a tobacco cutter of a tobacco production line, a plurality of dismounting assisting holes are distributed on the annular nut along the circumferential direction, the dismounting wrench comprises an annular body, a handle extending outwards is arranged on one side of the annular body, a plurality of pins are arranged on the annular body along the circumferential direction, and the pins protrude out of the end face of the annular body. The extension direction of the plug pins is parallel to the axial direction of the annular body, and the annular body is inserted into the disassembly assisting holes of the annular nut through the plug pins. The pin comprises a base and a dismounting head, one end of the base is fixed on the annular body, the other end of the base is connected with the dismounting head, the diameter of the dismounting head is smaller than that of the base, and the diameter of the dismounting assisting hole of