Roll shaft printing device

The utility model discloses a roll shaft printing device, which belongs to the technical field of printing equipment and comprises a base. A plurality of mounting grooves are formed in one side of the base, first rotating shafts are arranged in the mounting grooves, a plurality of bosses are arranged on the side, away from the mounting grooves, of the base, motors are arranged on the bosses, printing roll shafts are mounted on output shafts of the motors, second baffles are arranged opposite to the bosses, sleeves are arranged at the bottoms of the second baffles, and second rotating shafts are arranged on the second baffles. The two ends of the printing roller shaft are arranged to be connected with the output shaft of the motor and the second baffle correspondingly, when the printing roller shaft is installed, only a first clamping groove and a second clamping groove in the printing roller shaft need to be inserted into a first clamping block and a second clamping block, an insertion block slides for fixing