Steel pipe packaging and welding device

The utility model relates to the technical field of steel pipe packaging accessory devices, in particular to a steel pipe packaging and welding device. Comprising a rack, and multiple sets of steel pipe shaping and conveying mechanisms and multiple sets of packaging mechanisms are arranged on the rack; each packaging mechanism comprises a supporting plate, two side plates and two hydraulic oil cylinders, one ends of the two side plates are hinged to the two ends of the supporting plate correspondingly, the bottom ends of the two hydraulic oil cylinders are hinged to the rack, the top output ends of the two hydraulic oil cylinders are hinged to the outer sides of the two side plates correspondingly, and shaping frames are arranged on the inner sides of the two side plates; cover plates are arranged at the ends, away from the supporting plate, of the two sets of side plates, limiting grooves for limiting the steel belt are formed in the ends of the cover plates, a length fixing mechanism for fixing the length o