Device for quickly replacing slotting cutters with different hole diameters on cutter handle

The utility model relates to a device for quickly replacing slotting cutters with different hole diameters on a cutter handle, and belongs to the technical field of gear shaping machines. The slotting cutter comprises a cutter handle, a slotting cutter body, a positioning sleeve and a clamping gasket. The positioning sleeve sleeves the circumferential side of the lower part of the knife handle; the slotting cutter is arranged on the circumferential side of the positioning sleeve in a sleeving mode and detachably connected with the cutter handle through a second connecting piece, the diameter of an inner cylinder of the positioning sleeve is consistent with the diameter of an outer cylinder of the lower portion of the cutter handle, and the diameter of an outer cylinder of the positioning sleeve is consistent with the diameter of an inner hole of the slotting cutter. The clamping gasket is arranged below the positioning sleeve, and the inner ring diameter of the clamping gasket is larger than the inner hole di