Novel drill bit grinding machine

The utility model belongs to the technical field of drill bit grinding machines, and particularly relates to a novel drill bit grinding machine which comprises a drill bit grinding machine body and further comprises a filtering structure connected to the right end of the drill bit grinding machine body. The gas transmission structure is connected to the top of the filtering structure; the exhaust structure is connected to the inner wall of the filtering structure, one end of the exhaust structure is connected with the gas conveying structure, and the other end of the exhaust structure extends into the drill bit grinding machine body; the exhaust structure comprises a hollow pipe, air inlet holes are evenly formed in the inner wall of the bottom end of the hollow pipe, a sealing box is fixedly installed on the right side of the hollow pipe through a connecting rod, rotating shafts are rotationally connected to the inner walls of the two ends of the sealing box through bearings, wind wheels are fixedly installe