Batch production pre -fabricated steel frame production system

The utility model discloses a batch production pre -fabricated steel frame production system, the on -line screen storage device comprises a base, the upper end four corners of base all is equipped with the support column, the upper end of support column is equipped with production platform, production platform's both sides all are equipped with the supporting mechanism, the supporting mechanism includes two stands, the upper end of two stands is connected through placing the board, the upper end of placing the board all is equipped with electronic slide rail, is equipped with the sliding plate between two electronic slide rails, and the both ends sliding connection of sliding plate is on two electronic slide rails, the upper end of sliding plate is equidistant to be equipped with a plurality of second hydro -cylinders, the piston rod terminus of second hydro -cylinder runs through sliding plate and fixedly connected with fixed plate, the lower extreme fixedly connected with welding rifle of fixed plate, both