The utility model discloses a luggage rack BRKT spare and iron prop automatic weld special plane, which comprises a frame, install electric welding, welding jig, iron prop vibration dish, iron prop transport rail in the frame and travel to and fro between welding jig and iron prop transport rail end between iron prop material loading manipulator, welding jig installs on moving platform, moving platform installs two platform slide rails in the below, welding jig is close to along with moving platform or keeps away from the iron prop and carry the rail, the iron prop is carried the end of rail to install a manipulator and is got the material chamber, BRKT spare profile modeling location chamber has been arranged to welding jig's up end. Realize iron prop automatic feeding dress piece and welding full automatization, the beat promotes, rises to 180PCSH by 120PCSH, and the operation does not need the special messenger, with 1 people of assembly equipment sharing, reduce operation intensity, promote product welding quality. The utility model is suitable for an it is in the welding of the BRKT spare of the luggage rack, behind the welding jig that answers with the commutation, applicable in the iron prop welding of other products.