Novel longitudinal cutting tool apron for numerical control longitudinal cutting lathe

The utility model discloses a novel longitudinal cutter holder for a numerical control longitudinal cutting lathe, which belongs to the technical field of longitudinal cutting lathes and is characterized in that a positioning sleeve is arranged on the side surface of a cutter holder body, a cutter is sleeved on the surface of the positioning sleeve, the other side of the cutter is in contact connection with a limiting plate, and a fastening screw is sleeved on the side surface of the limiting plate; a center hole and a sleeve hole which are concentric and coaxial are formed in the center of the limiting plate and the center of the positioning sleeve correspondingly, the inner wall of the sleeve hole is slidably connected with a knife roll, the surface of the knife roll is connected with a left clamping sleeve and a right clamping sleeve through threads, and one side face of the left clamping sleeve and one side face of the right clamping sleeve make contact with and extrude the surfaces of the knife holder bo