Pigment sanding device

The invention discloses a pigment sanding device, and belongs to the technical field of pigment processing devices. The pigment sanding device comprises a support, a shell, a grinding bowl, a power device and a plurality of grinding blocks, and further comprises a transmission shaft which is in tooth connection with the grinding blocks, a water through hole is formed in the transmission shaft, and a plurality of water spraying openings are formed in the side wall of the bottom end of the transmission shaft. The plurality of water injection nozzles are located above the center of the grinding surface of the grinding bowl, a circle of groove is formed in the outer edge of the grinding surface, and a plurality of material through holes are formed in the bottom of the groove; the inner wall of the funnel is provided with a plurality of corrugated rings, the corrugated rings are used for separating solid particles and turbid liquid in the grinding liquid, and the solid particles are precipitated into the corrugate