Ship welding tool

The invention relates to the technical field of welding tools, and discloses a ship welding tool which comprises two magnetic blocks, each magnetic block is connected with a positioning assembly, the two positioning assemblies are arranged in a central symmetry mode, each positioning assembly comprises a fixing plate, a connecting plate, a supporting plate, a threaded rod and a magnetic column, and the fixing plates are fixedly connected to the upper sides and the lower sides of the outer walls of the magnetic blocks. A connecting plate is slidably connected between the two fixing plates, a supporting plate is fixedly connected to one side of the connecting plate, fixing holes are formed in the surfaces of the fixing plates, threaded rods are in threaded connection in the fixing holes, and the bottom ends of the threaded rods are attached to the surfaces of the connecting plates; according to the ship welding tool, through the combination of the magnetic block and the positioning assembly, stable erecting of