Tool for welding vehicle door profile

The utility model discloses a tool for welding a vehicle door profile, which comprises a fixing frame, and the fixing frame comprises a bottom frame and a support frame; the guide rod is fixed on thesupport frame; the positioning mechanism comprises a connecting plate, a movable plate and an adjusting structure, the connecting plate is connected to the guide rod in a sliding mode and can move upand down along the guide rod, and the movable plate is connected to the connecting plate in a sliding mode and can move transversely along the connecting plate; one end of the adjusting structure is connected to the supporting frame, and the other end is connected with the connecting plate for pushing the connecting plate to move up and down. According to the tool for welding the vehicle door profiles, at least one positioning mechanism is arranged on the supporting frame, adjustment is achieved by adjusting vertical and transverse movement between a movable plate and a connecting plate of each positioning mechanism so