Flange welding device for wind power tower drum production

The utility model discloses a flange welding device for wind power tower drum production, and relates to the technical field of wind power equipment manufacturing, the flange welding device comprises a main disc and a collection plate, the middle of the main disc is provided with a storage groove, a threaded rod is installed in the storage groove in a threaded mode, and the end of the threaded rod is provided with a positioning block; an auxiliary disc is mounted on the outer surface of the positioning block, and a built-in groove is formed in the auxiliary disc. According to the flange welding device for wind power tower drum production, an auxiliary frame, a connecting plate and a welding gun can be driven to rotate through the design of an electric sliding rail, position adjustment can be conveniently carried out in cooperation with a tower drum, and double position adjustment can be carried out on the welding gun through the design of an electric push rod and a servo motor; the welding device is simple in