Drive assembly of wire drawing machine

The utility model belongs to the technical field of the wire rod manufacture equipment, especially, relate to a drive assembly of wire drawing machine. It has solved prior art waterproof performance subalternation technical problem. This drive assembly of wire drawing machine includes that both ends are worn to establish respectively in the frame and rotates the main shaft that links to each other with the frame, is equipped with the first bearing that lies in between main shaft and the frame in the one end of main shaft, is equipped with the second bearing that lies in between main shaft and the frame at the other end of main shaft, is equipped with carbon brush mechanism in main shaft or frame, a main shaft pot head be equipped with with the fixed bench insulator that links to each other of frame, be equipped with the casing that has the cavity on the bench insulator, the lower part of casing be equipped with with the passageway of this cavity intercommunication, one end that the main shaft was equipped with first bearing insert in the cavity in, and insert one end in the cavity at the main shaft and be equipped with and be arranged in preventing that water from getting into to the waterproof construction of first bearing. Compared with the prior art, the utility model discloses the advantage lies in: waterproof performance well and long service life.