Automatic ink grinding machine

The utility model discloses an automatic ink grinding machine, which comprises a container which is equipped with a constant-speed or adjustable-speed motor and a timing device, wherein the motor is fixed with the container and connected with a power supply line with a switch, the upper part of the container is a grinding disk with an ink collecting device, a main shaft of the constant-speed or adjustable-speed motor is connected to a rotary main shaft, the rotary main shaft is equipped with a water receiver, the main shaft of the constant-speed or adjustable-speed motor can be freely separated from the rotary main shaft by a separated-type connector for convenient cleaning of the grinding disk, the rotary main shaft is connected to a horizontal connecting rod, the horizontal connecting rod is equipped with an ink block clamping device for convenient fixation of an ink block, friction is generated with the grinding disk due to the weight of the ink block and the ink block clamping device and ink satisfying de