High-precision positioning device for machining of numerical control pipe bending machine

The utility model relates to the technical field of positioning devices, in particular to a high-precision positioning device for numerical control pipe bending machine machining, which comprises a bottom plate, a top plate is fixedly connected to the left side of the upper part of the bottom plate, a first fixing plate is fixedly connected to the front side of the top of the top plate, and a second fixing plate is arranged on the rear side of the first fixing plate. The second fixing plate is fixedly connected with the top plate, the second fixing plate is slidably connected with the top plate, rotating rollers are evenly and rotatably connected to the front wall of the first fixing plate, a T-shaped plate is fixedly connected to the rear wall of the first fixing plate, and a connecting rod is fixedly connected to the rear wall of the T-shaped plate; compared with the prior art, the positioning device is easy to operate and high in positioning accuracy, and the problems that when a traditional positioning de