Welding positioning device for civil air defense door

The utility model discloses a welding positioning device for a civil air defense door, which relates to the technical field of welding auxiliary tools, is used for welding a plate group, a door handle and a door spindle assembly of the civil air defense door, and comprises a welding table internally provided with a working space and at least four positioning plates arranged on the welding table and capable of forming a rectangular frame, the positioning plate comprises a side plate arranged on the outer edge of the welding table and at least one movable plate used for adjusting the width of the rectangular frame, and a door shaft positioning piece used for welding the door shaft assembly is arranged on the movable plate. When in use, plate groups of the civil air defense door can be fixed into a regular rectangle through the positioning plate, the door shaft positioning piece is arranged to position the door shaft, and the movable positioning plate is further arranged to be used for producing civil air defens