Grinding device for water-based ink processing

The invention provides a grinding device for water-based ink processing, and relates to the technical field of ink grinding equipment.The grinding device comprises a grinding lifting frame, a middle grinding rotating shaft, an outer grinding rotating shaft and an ink grinding barrel, lower spiral teeth are fixed to the outer side of the lower end of the middle grinding rotating shaft, the outer sides of the lower spiral teeth are fixed to the inner side of an outer pipe body, and lower liquid inlets are formed in the lower portion of the outer pipe body at intervals; outer grinding blades are fixed to the outer side of the outer pipe body in an annular array mode, lower scraping strips are arranged at the bottom of the outer pipe body in an annular array mode, a middle disc body is fixed to the top of the outer pipe body, and middle through holes penetrating up and down are formed in the middle disc body in an annular array mode. Large-particle printing ink at the bottom is lifted upwards through lower spiral