U-shaped elbow swing arm type core-pulling mechanism mold structure

The utility model discloses a U-shaped elbow swing arm type core-pulling mechanism mold structure, and relates to the technical field of nonmetal machining. The core-pulling mechanism comprises a core-pulling mechanism body and a mold base B plate, the core-pulling mechanism body comprises a first arc-shaped cavity, a swing arm sliding block, a swing arm pull rod and a second arc-shaped cavity, the first arc-shaped cavity and the second arc-shaped cavity are arranged at the two ends of the upper side of the center position of the mold base B plate, and the swing arm sliding block is connected to the inner side of the first arc-shaped cavity in a sliding mode. Swing arm pull rods are rotationally connected to the upper portions of the inner sides of the swing arm sliding blocks, abutting blocks are slidably connected to the inner sides of the second arc-shaped cavities, and rotating shafts are fixedly connected to the center positions of the first arc-shaped cavities and rotationally connected with the top end