Cooling device of sand mill for dispersing water-based ink

The utility model discloses a cooling device of a sand mill for dispersing water-based ink, which comprises a pump, a water inlet pipe, a water outlet pipe and the sand mill, the sand mill comprises an inner shell and an outer shell, a sealing cavity for bearing cooling water is arranged between the inner shell and the outer shell, the pump is fixedly connected with the water inlet pipe, the water inlet pipe is communicated with the outer shell of the sand mill, and the water outlet pipe is communicated with the water inlet pipe. A water outlet pipe is further fixedly connected to the outer shell, the cooling device further comprises a stirring assembly and a driving assembly, and the stirring assembly is located in the sealed cavity and comprises a stirring shaft and stirring blades; the driving assembly is fixedly mounted on the outer side surface of the outer shell of the sand mill and drives the stirring assembly in a non-contact manner; the stirring assembly and the driving assembly are additionally arra