Multi-station welding tool for forklift portal

The utility model relates to the technical field of welding auxiliary tools, in particular to a multi-station welding tool for a forklift portal frame, which comprises a support seat, a splice plate, a clamping component, a support frame, a welding mechanism and a moving mechanism, the supporting seat is arranged on the base, and a first supporting plate is arranged on the supporting seat; the two splicing plates are symmetrically arranged on the supporting seats on the two sides of the first supporting plate, and the second supporting plates are horizontally arranged on the opposite sides of the two splicing plates; each splice plate is provided with a clamping assembly used for clamping a longitudinal beam. The supporting frame is composed of a connecting beam and supporting beams at the two ends of the connecting beam, two guide rails are arranged on the base on the two sides of the supporting base respectively, and the bottom end of each supporting beam is in sliding connection with the corresponding guid