Bushing milling groove machining tool

The bush groove milling machining tool comprises a pressing plate, a pressing bolt, a clamping block and a supporting column. The clamping block is a cuboid metal block with a V-shaped groove formed in one side of the upper portion, a first sliding way with an L-shaped cross section is arranged at the bottom of the V-shaped groove, and the first sliding way communicates with the bottom of the V-shaped groove and the side wall of the clamping block. The side wall of the V-shaped groove is further provided with a second sliding way communicating with the side wall of the clamping block. Slidablepositioning structures are arranged in the first slide way and the second slide way; a pressing plate is arranged on the upper portion of the clamping block and connected with the clamping block through a supporting column. The lower end of the supporting column is connected with the upper portion of the clamping block, and the upper end is rotatably connected with the pressing plate. A threadedblind hole is formed in th