Thread cleaning device

The utility model relates to a thread cleaning device which is simple in operation, flexible in control and capable of improving cleaning efficiency. The thread cleaning device comprises a main shaft, deep groove ball bearings, a thrust ball bearing, a rotary shaft, nuts, a handle and a holder. The thread cleaning device is characterized in that one deep groove ball bearing is connected with the rotary shaft and the other deep groove ball bearing is installed on the main shaft. The main shaft is provided with a clamp body. The clamp body is provided with a large gear and a small gear. The large gear is connected with the small gear through the mode of gear engagement and fixed on the clamp body through the nuts. The large gear is connected with the handle. The handle is connected with the holder. One deep groove ball bearing and the thrust ball bearing are connected and fixed on the clamp body through the nuts. The main shaft is sleeved by a drill chuck.