Grinding device and grinding method for water-based gravure ink

The invention belongs to the technical field of ink production equipment, and discloses a water-based gravure ink grinding device and method.The water-based gravure ink grinding device comprises a machine base and a storage box, an outer sleeve is connected to the machine base, a rotating frame is rotationally connected to the interior of the outer sleeve, and the rotating frame is connected with a driving motor fixedly connected to the interior of the machine base; a plurality of grinding cylinders are fixedly connected to the rotating frame in an equal-circumference mode, grinding devices are connected to the interiors of the grinding cylinders, a feeding groove is formed in one grinding cylinder, a discharging groove is formed in the grinding cylinder adjacent to the feeding groove in the clockwise direction, and a discharging device is connected between every two adjacent grinding cylinders. The two grinding cylinders provided with the feeding grooves and the discharging grooves are not connected, the dis