Tool beating rod structure of flange drilling machine

The utility model relates to an unclamping rod structure of a flange drilling machine, which comprises a mounting plate, an unclamping cylinder is connected onto the mounting plate, a piston shaft on the unclamping cylinder penetrates through the mounting plate and is connected with an unclamping cover, the unclamping cover comprises an unclamping seat and an unclamping cylinder, a connecting block is arranged at the movable end of the piston shaft, and the connecting block is connected with the unclamping cylinder. The unclamping tool base is connected to the connecting block through a first fastening structure, and the unclamping tool cylinder is detachably connected to the lower portion of the unclamping tool base through a second fastening structure. According to the flange drilling machine, the unclamping rod structure is adopted, the unclamping cover is divided into two parts which can be disassembled and assembled, after the unclamping rod is assembled, the unclamping cylinder can be disassembled indep