Sealing device for bottom of cigarette making machine

The utility model discloses a sealing device for the bottom of a cigarette making machine, and relates to the field of sealing devices. The chip collecting device comprises a shell, a sealing bottom plate and a chip collecting assembly, two control insertion holes are formed in each of the two sides of the bottom of the shell, and locking control mechanisms are arranged in the four control insertion holes; the sealing bottom plate is arranged between the two sides of the bottom of the shell, two scrap collecting openings are formed in the top end of the sealing bottom plate and located between the opposite sides of the two sealing blocks and the slope plate, the two sides of the sealing bottom plate are each provided with two connecting mechanisms, and each connecting mechanism comprises a connecting protruding block; the two chip collecting assemblies are arranged in the two chip collecting openings in a sliding mode correspondingly, and each chip collecting assembly comprises a U-shaped chip collecting hopp