Buckling restrained brace manufacturing auxiliary device for anti-seismic boiler steel frame

The utility model discloses a buckling restrained brace manufacturing auxiliary device for an anti-seismic boiler steel frame. The buckling restrained brace manufacturing auxiliary device comprises at least two inner core pipe assembly parts and a restraining sleeve assembly part. The inner core pipe assembly part comprises an inner core pipe welding plate, a welding receding opening is formed in the inner core pipe welding plate in a penetrating mode, and an inner core pipe anti-friction device is arranged on the surface of the inner core pipe welding plate. The restraining sleeve assembly part comprises a restraining sleeve welding plate, a protruding pipe end clamping boss is arranged at one end of the restraining sleeve welding plate, and an assembly supporting roller is installed on the pipe end clamping boss. The inner core pipe assembly part is fixed to the inner core pipe, the constraint sleeve assembly part is fixed to the constraint sleeve, the contact point of the inner core pipe assembly part and