Ink box for printing machine

The utility model discloses an ink box for a printing machine, and relates to the technical field of ink boxes for printing machines, the ink box comprises an ink box main body and a servo motor, an ink adding port is arranged above the outer surface of the ink box main body, a sealing plug is arranged above the ink adding port, the middle part of the sealing plug is fixedly connected with a connecting rod, and the connecting rod is fixedly connected with the servo motor. A cleaning brush is arranged below the connecting rod, a collecting groove is formed below the cleaning brush, the servo motor is installed on the right side of the sealing plug, a stirring rod is arranged below the servo motor, and an ink outlet is formed in the lower portion of the outer surface of the ink box body. Compared with an existing common ink box, the ink box for the printing machine has the advantages that the sealing plug is rotated to drive the connecting rod to enable the cleaning brush to rotate, so that the cleaning brush f