Machining tool for blind flange connecting block

The utility model relates to a machining tool for a flange blind plate connecting block, belongs to the technical field of flange blind plate machining, and solves the technical problems that a traditional flange blind plate connecting block is low in single machining efficiency, time-consuming, labor-consuming and the like. According to the machining tool for the flange blind plate connecting block, the side wall of one side of the flange blind plate connecting block is an arc face matched with the outer edge of a flange blind plate, and a through hole is formed in the flange blind plate connecting block; the machining tool comprises an installation base and a gland. A circular groove is coaxially formed in the top surface of the mounting seat, a clamping column is coaxially arranged at the center of the circular groove, a plurality of groups of clamping grooves communicated with the circular groove are uniformly formed in the outer side of the top surface of the mounting seat, the center lines of the clampi