Automatic joint close welding production line

The utility model discloses an automatic joint close welding production line in the technical field is made to the pipe fitting, including the welding machine that is used for the stitch welding, the mount that is used for fixed welding machine position, joint close device, can be with the feeding?system of pipe fitting propelling movement to the joint close device, feeding?system is including carrying platform, propelling movement dolly, and during operation propelling movement dolly can be along carrying the platform to remove to the joint close device, be equipped with main bed frame on the propelling movement dolly, can drive self -driven system that the propelling movement dolly removed, install support on main bed frame, be used for the position casing of socket pipe spare tip, be equipped with the slider that is used for fixed position casing, the lift guiding mechanism who is used for the adjusting block height on the support. Make the propelling movement of pipe fitting more steady, promotion that th