Cigarette packing machine stay wire quick-changing device and packing machine

The utility model relates to the technical field of cigarette production and packaging, in particular to a cigarette packaging machine stay wire quick-changing device and a packaging machine. The pull wire quick-changing device of the cigarette packer is arranged on a pull wire supply device, comprises a locking mechanism for locking a movable part, and can replace a device for fixing a pull wire coil by a threaded pressure plate or a conical sleeve for an original machine. By using the device, the replacement time of the stay wire can be shortened, the working efficiency is improved, the labor intensity of operators is reduced, the quality risk of products is reduced, and the potential safety hazard that the stay wire slips out of the hand and falls can be basically eliminated. The locking of the movable part is realized through the axial pressing and pulling operations and the optional elastic piece which is axially arranged, and the locking state cannot be influenced by centrifugal force generated in the s