Web printing press

The utility model relates to the technical field of printing, and discloses a web printing press which comprises a printing press body, a quick-drying mechanism is arranged on one side of the printing press body and comprises a connecting block, a movable groove, a movable rod, a quick-drying barrel, an air hole, a fan, a fixing bolt and an electric heating wire, and the connecting block is arranged on one side of the printing press body. According to the roll paper printing machine, when roll paper is printed, a movable rod can be plugged into the movable groove firstly, the movable rod and the movable groove can be installed in a matched mode, under the combined action of the movable rod and the movable groove, a quick-drying barrel can be normally used, then a switch of an electric heating wire is turned on, and the electric heating wire can be turned on to drive the quick-drying barrel to rotate. When the roll paper is wound, the electric heating wire emits heat, then a switch of the fan is turned on, and