Corner code assembly machine is mainly used for rectangular common plate air duct flange corner code assembly, is a rectangular square pipe production line supporting equipment. The machine has the advantages of simple operation and high efficiency, which greatly reduces the labor intensity of manual operation. Angle code and air pipe flange combined firmly, stable quality. The machine is equipped with universal Angle wheel, flexible movement, more suitable for site construction. The outstanding advantage of this machine is strong versatility. A variety of different structural forms of corner code, a variety of specifications and sizes, the use of the machine can be successfully completed assembly.