The utility model relates to the technical field of product packaging, and particularly discloses a
punching mechanism of a cigarette packing
machine, which comprises a rack, a driving component, a mounting plate, a first driving unit, a tool apron and a support, the driving
assembly is connected with the rack; the mounting plate is connected with the driving
assembly, the mounting plate is provided with a film passing window, and the film passing window is of a semi-closed structure; the first driving unit is connected with the mounting plate, a
piston is arranged at the output end of the first driving unit, the tool apron is detachably connected with the
piston, and a
tool bit used for
cutting a packaging film is arranged on the side, away from the
piston, of the tool apron; the support is connected with the mounting plate, the tool apron and the support are arranged on the two opposite sides of the film passing window respectively, a buffer pad is arranged at the end, facing the tool apron, of the support, and the buffer pad is opposite to the
tool bit. The adaptability and the flexibility of the cigarette packing
machine are improved, and meanwhile the product packing quality is guaranteed.