Pre-cut-tobacco-feeding roller structure of cigarette making machine

The utility model provides a cigarette making machine pre-feeding roller structure which comprises a rotating shaft, an installation cylinder and a pin, and a center hole of the installation cylinderis in interference fit with the rotating shaft. The mounting cylinder comprises a plurality of fixing cylinders; the fixing cylinders are sequentially arranged in the axial direction of the rotating shaft; the fixed cylinder comprises three fan-shaped blocks; the three fan-shaped blocks are sequentially connected in the circumferential direction of the fixed cylinder; a groove is formed in the right end of each fan-shaped block, an arc-shaped step face is arranged at each groove, an arc-shaped pressing plate is arranged on the upper portion of the left end of each fan-shaped block, the inner arc faces of the arc-shaped pressing plates are attached to the arc-shaped step faces of the adjacent fan-shaped blocks, and the arc-shaped step faces and the arc-shaped pressing plates of the adjacentfan-shaped blocks are pro