Roller group structure of rotary press

The utility model discloses a roller group structure of a rotary printing press, which comprises a rotary rack. Two additional impression cylinders are added on the basis of two blank cylinders and two blank cylinders, and the above six cylinders are divided into two. The group is mounted on the rotating rack by being pulled down for a certain distance. The upper drum group is meshed with the blanket cylinder with the impression cylinder as the reference, the upper surface of the blanket cylinder is engaged with the plate cylinder, and the lower roller group is used to install the other blanket cylinder on the upper layer. Below the impression cylinder, the rear of the blanket cylinder engages with another impression cylinder, and the front lower surface engages with another version of the cylinder, and a water drum for removing ink is engaged on the upper surface of the impression cylinder of the upper group of rollers. The utility model adds two impression cylinders and a water cylinder on the basis of the original equipment, and after the recombination, the soft pressure soft printing is changed to the soft pressure hard printing, and other upper water and ink setting are not changed and the efficiency is improved effectively. The print quality is more convenient when adjustments are needed.