The invention discloses a
grinding device mainly used as a
grinding dispersion
machine or a
colloid mill. The
grinding device is simple in structure, low in cost, convenient to
machine and install, good in heat dissipation, suitable for high rotating speed and the like. The grinding device comprises a main shaft, three stages of static grinding bodies, a top cover, four stages of movable grinding bodies, a shell, an adjusting disk, a
handle, a lock nut, a cooling liquid
pipe inlet connector, a cooling liquid
pipe outlet connector and the like. The movable grinding bodies are provided with four stages of sawtooth protrusions and grooves, the four stages of sawtooth protrusions and grooves become thin from thick, the fourth stage adopts a
metal coating, and the distance between the three stages of static grinding bodies and the four stages of movable grinding bodies and the distance between the top cover and the four stages of movable grinding bodies can be adjusted; by means of a
fineness-degree-increased grinding head rotating at a high speed, finally, micro-nano-level material particles are obtained; the four stages of movable grinding bodies are fixed to the main shaft and locked through the lock nut at the front end of the main shaft; the adjusting disk is arranged above the shell, the
handle is installed on the adjusting disk, and the
handle adjusts the adjusting disk so that the
processing precision of materials in a cavity can be increased; and the top cover is arranged on the adjusting disk, the top cover is provided with the cooling liquid
pipe inlet connector and the cooling liquid pipe outlet connector, the cooling liquid pipe inlet connector is connected with an annular cooling liquid channel, cooling liquid is added at any time, the adjusting disk, the materials and a grinding disk are protected, and the situation that the using performance is affected by the too-high temperature is avoided.