This machine is developed for the automatic production of lock bar of all kinds of flat doors and windows. It can finish punching and cutting at the same time. The punching shape can be designed according to customer requirements. The machine has 4 sets of built-in molds. The processing and production of European standard lock bar and national standard lock bar can be completed through different mold combination. The automatic touch potential switch is designed for the discharge part. When the lock bar drive rod touches the induction, it can cut off the lock bar transmission rod automatically. The processing lock bar length can be adjusted from 400 to 1800mm, which saves more people compared with the traditional punch Work.