Boring bar knife rest drive arrangement

The utility model discloses a boring bar knife rest drive arrangement, including the boring bar, the boring bar right -hand member is equipped with and is used for the boring bar support who links toeach other with boring machine horizontally rotating dish and links pyramis as an organic whole with the boring bar, the boring bar middle part has square part, is equipped with the knife rest on thissquare part, set up flutedly on the boring bar, be equipped with in the recess and be used for driving the lead screw nut device of knife rest along boring bar axial displacement, the boring bar leftend is rotated by the boring machine tailstock and supports, and boring machine tailstock left end is equipped with gear, and the boring bar left end loops through gear, lead screw nut device is connected with the knife rest transmission. The utility model discloses the boring bar rigidity is good, is difficult for the bending deformation, and stability is good, vibration when having reduced theboring to the quality of wor