Roller printing machine tool

Provided is a roller printing machine. Relates to the technical field of printing machines. Comprising a machine base, a machine head box is arranged at the head of the machine base, a main shaft is arranged in the machine head box in a penetrating mode, a motor is further arranged on the lower side of the machine base, a transmission mechanism is further arranged in the machine head box, the motor is connected with the transmission mechanism through a belt, and the transmission mechanism is connected with the main shaft through a gear set. A transverse screw rod and an operating rod are further arranged on the bed base, a slide carriage is arranged on the screw rod and the operating rod in a matched mode, the slide carriage does reciprocating motion on the screw rod and the operating rod in the horizontal direction after being rotated through a first hand wheel, and a printing head is further arranged on the slide carriage; a clamping tailstock is further movably arranged at the tail of the machine base, and