Lock hole hinge tapping machine

The lockhole hinge tapping machine comprises a machining table and a base, an electric pull rod is arranged at the upper end of the side face of the machining table, and a pressing plate is installed at the top of the electric pull rod; the base is arranged on one side of the machining table, and the tapping machine body is installed at the top of the base. According to the device, the third air cylinder, the third driving motors, the bottom shell and the first air pipe are arranged, a drill bit or a grinding block can be selectively installed at the bottom of each third driving motor according to requirements, and the third air cylinder pushes the third driving motors so that the machining depth can be conveniently adjusted; the installed drill bit or grinding block is located in the bottom shell during working, a bristle structure is arranged on the edge of the bottom of the bottom shell, wood chips can be conveniently blocked during machining, meanwhile, two first air pipes can be connected with an exhaust