Mechanical arm device for controlling tapping machine

The utility model discloses a mechanical arm device for controlling a tapping machine. The robot comprises a front arm module, a rotating module 1 and a rear arm module, and a rotating module 2, the forearm module is composed of a telescopic joint and a fixed joint. The telescopic joint is fixedly connected with the tapping machine through a fixing ring arranged at the front end; the fixed joint is fixedly connected with the rotating module 1 through a positioning steel column arranged on the surface; wherein the rotating module 1 is rotationally connected with the forearm rotating wheel through the fixed pile 1; the front arm rotating wheel and the rear arm rotating wheel form a rear arm module, the rear arm module is fixedly connected with the balance limiting rod through a connecting column 1 arranged in the middle, the connecting column is rotationally connected with a connecting ring on the upper portion of the spring hanging bracket, and the rear arm module is connected with therotating module 2. Throug