Riser runner molding tooling

The utility model discloses a riser runner molding tooling. The tooling (10) consists of a tooling base (20) and a tooling upper gland bush (30) detachable from the tooling base (20), wherein, a plurality of inner cores (22) used for manufacturing a riser runner inner chamber are formed on the tooling base (20), outer cover sleeves (32) identical in shape and quantity to corresponding inner cores (22) are arranged on the tooling upper gland bush (30), the aperture of the outer cover sleeve (32) is larger than the outside diameter of the inner core (22), an opening bottom plate (21), of which the opening size is slightly larger than the outside diameter of the lower end of the inner core, is arranged at the lower end of the inner core (22), and the opening bottom plate (21) is connected with an elevation adjustment mechanism (23) on the tooling base (20). The utility model has the benefits of molding the riser runner at a high speed, reducing the labor intensity of workers, improving efficiency, being capable