Tobacco shred pre-supply roller mechanism of cigarette making machine

The invention discloses a tobacco shred pre-supply roller mechanism of a cigarette making machine. The tobacco shred pre-supply roller mechanism comprises a sleeve assembly and a tobacco shred pre-supply roller; the sleeve assembly comprises a left sleeve and a right sleeve; the left sleeve is provided with left pins and left pin holes, the right sleeve is provided with right pins and right pin holes, and the left sleeve is matched with the right sleeve; first pins and second pins are arranged on the tobacco shred pre-supply roller, the first pins are in one-to-one correspondence with the leftpin holes, and the second pins are in one-to-one correspondence with the right pin holes; and the left pins, the right pins, the first pins and the second pins are arranged in the length extending direction of the sleeve and form a plurality of pin columns, and the connecting line between the centers of the projections of the pin columns on the tobacco shred pre-supply roller is a curve. According to the tobacco shred pr