Manual three-roller edge rolling machine for small equipment protective cover of cigarette factory

The utility model discloses a manual three-roller edge rolling machine for a small equipment protective cover of a cigarette factory, relates to the technical field of plate forming equipment, and solves the technical problems that the taking-out process of a winding drum is tedious and the efficiency is low. The device comprises a U-shaped plate, two lower roll shafts, a hand-cranking assembly and an upper roll shaft, wherein the two lower roll shafts are arranged side by side front and back and are respectively coupled with the U-shaped plate; the hand-cranking assembly is arranged on one side of the U-shaped plate and is used for driving the lower roll shafts to rotate; the upper roll shaft is arranged above the lower roll shafts; two ends of the upper roll shaft are respectively provided with a connecting part, two side plates of the U-shaped plate are respectively provided with an L-shaped through groove, one connecting part is arranged in each L-shaped through groove, the tops of the two side plates of