Bridge swivel upper spherical hinge casting mold and mold splicing method thereof

The invention relates to the field of casting, in particular to a bridge swivel upper spherical hinge casting mold and a mold splicing method thereof.The casting mold comprises a fixed mold body, a movable mold body, a top cover and a fan-shaped cover plate, a lower concave cavity is formed in the upper portion of the movable mold body, positioning holes are formed in the lower concave cavity, and each positioning hole is provided with a transverse jacking and extending mechanism; the transverse jacking and extending mechanism comprises a transverse jacking rod; a knocking notch is formed in the movable mold, a vibration mechanism is arranged at the knocking notch, the vibration mechanism comprises a T-shaped frame, a rotating shaft, a one-way power device, a driver and an impactor, the impactor is in transmission connection with the rotating shaft, and the impactor comprises an impact rod; a plurality of trigger rods are arranged on the fan-shaped cover plate, and each trigger rod is in corresponding transmi