Rapid dismounting device for printing roller of Mitsubishi printing machine

The utility model discloses a quick dismounting device for a printing roller of a Mitsubishi printing machine. The printing roller comprises a printing roller body, rotating shafts are fixedly installed at the two ends of the plate roller body, connecting rods are fixedly installed at the ends of the rotating shafts, the connecting rods are sleeved with hexagonal beads, limiting blocks are fixedlyinstalled at the ends of the connecting rods, installing bases are arranged outside the rotating shafts, and integrally-formed protruding parts are arranged at the ends of the installing bases. According to the utility model, the structure is simple, the spring is compressed and then reset, so that the limiting block enters the through groove and then is clamped with the limiting block; therefore, the rotating shaft is fixed in the mounting base; when the printing roller body is assembled, the mounting base continues to move towards the center of the printing roller body, the spring is compressed again and then reset