Welding device suitable for rapidly replacing welding gun

The utility model provides a welding device suitable for quickly replacing a welding gun. The welding device comprises a mounting seat and a welding gun frame, the mounting seat is provided with a manipulator, and an adapter is arranged at the end part of the manipulator; the welding gun frame is transversely arranged on the mounting seat, a first welding gun and a second welding gun are oppositely arranged on the welding gun frame, and the first welding gun and the second welding gun are detachably arranged on the welding gun frame through seat bodies of the first welding gun and the second welding gun respectively; wherein the seat body is provided with a joint part which is embedded and matched with the adapter, and the manipulator is controlled and transferred to the adapter of the manipulator to be selectively connected with the joint part of any welding gun, so that the manipulator and the welding gun connected with the joint part are switched from a separated state to an assembled state, and the weldin