Printing roller grinding machine

The utility model provides a plate roller grinding machine, which relates to the technical field of plate roller processing tools and comprises a moving main body, a driving component, a supporting component and a grinding platform, a grinding wheel is arranged on the moving main body, the driving component is connected with the moving main body and used for driving the supporting main body to move left and right and up and down, and the supporting component is positioned below the grinding wheel. The supporting assembly comprises a first support and a second support, the first support and the second support are oppositely arranged, a clamping assembly used for fixing a plate roller is rotatably arranged between the first support and the second support, the grinding platform is arranged on the first support, and after a grinding wheel used for a long time forms an arc surface, the grinding wheel is driven by the driving assembly to rotate. Compared with the mode that the grinding wheel is polished manually, t