Printing roller convenient to disassemble and assemble

The utility model discloses a printing roller convenient to disassemble and assemble, and relates to the technical field of printing rollers, the printing roller convenient to disassemble and assemble comprises a printing roller body, a fixing mechanism convenient to disassemble and assemble the printing roller body is arranged on the printing roller body, and the fixing mechanism comprises a fixing sleeve disc, a connecting piece and a sliding rod. Mounting discs are fixedly mounted at the ends of the two sides of the printing roller body, the number of the fixing sleeve discs is two, the two fixing sleeve discs are located on the two sides of the mounting discs, the number of the connecting pieces is two, and the two connecting pieces are fixedly mounted at the side ends of the fixing sleeve discs; at least two T-shaped clamping grooves are formed in the side end portions of the two installation discs, and the T-shaped clamping grooves are arranged at equal intervals. According to the printing roller body f