Low height three-top point core pulling-out apparatus

The utility model relates to a low height three-top point core pulling-out apparatus, which is used for the core pulling-out working procedure adopting resin sand small part to make the core in the small-sized iron casting industry, the apparatus is composed of a casing (6), a wheel rim (7), an elevating tray (9), a post rod (13) and an air cylinder (1), characterized in that, the air cylinder (1) is arranged at one side of the core pulling-out apparatus; three support rollers (5) are arranged on the wheel rim (7) body capable of horizontally rotating, the elevating tray (9) provided with three inclined surfaces is pressed on the support rollers (5), when the support rollers (5) rotate, the inclined surfaces can be promoted to enable the elevating tray (9) to move vertically, the post rod (13) which is arranged accidentally is jacked to complete the core pulling-out operation. According to the utility model, a core jacking air cylinder is arranged at one side, the vertical operation is changed into the horizo