Cleaning device of drill bit for petroleum geology

The utility model relates to the technical field of oil exploitation, in particular to a cleaning device of a drill bit for petroleum geology, which comprises a barrel body, the barrel body is a hollow cylinder with a concave bottom, a rotating shaft through hole is arranged at the center of the bottom of the barrel body, and a waste liquid pipe is arranged at the edge of the bottom of the barrel body. A cleaning agent containing box is arranged on the outer surface of the barrel body, four brush sliding grooves are formed in the inner wall of the barrel body in an annular array mode, and four square grooves are formed in the upper middle position of the barrel body in an annular array mode. The drill bit cleaning device has the advantages that the drill bit with the uneven surface can be deeply cleaned through the four brushes, the drill bit can be cleaned at multiple angles, the surface of the drill bit is covered with crude oil and is difficult to efficiently clean with clear water, hydrocarbon cleaning ag