Printing pressure adjusting mechanism of novel printing machine

The utility model relates to the technical field of printing machines, and provides a novel printing pressure adjusting mechanism of a printing machine, which is convenient for quantitatively adjusting printing pressure and comprises a pressure adjusting mechanism body, the pressure adjusting mechanism body is provided with a machine body, a support plate and a lower roller, the support plate is provided with an upper roller, and the machine body is in threaded connection with an adjusting bolt. A rotating handle is arranged at the top end of the adjusting bolt, a moving plate is rotationally connected to the bottom end of the adjusting bolt, the moving plate is connected with a limiting piece, the limiting piece comprises a plurality of limiting rods, the limiting rods are fixedly connected to the top end of the moving plate, a plurality of limiting holes matched with the limiting rods are formed in the machine body, and a moving groove matched with the moving plate is formed in the machine body; the bottom