Die core structure for reducing impact force of die cavity

The invention relates to a die core structure for reducing impact force of a die cavity. The lower end surface of a left feeding insert and the lower end surface of a right feeding insert are auxiliary molding surfaces, and the existence of a feeding groove is equivalent to a feeding corner, so that the impact force of molten metal in a flow channel into the die cavity is reduced, the feeding groove is also a vulnerable part, the feeding groove and the auxiliary molding surfaces are integrated on the feeding insert, so that the die cost is greatly reduced; a bending corner of a hook groove caneffectively reduce the impact force of subsequent hot metal liquid to continuously enter a circular storage groove, thus reducing the rush amount of cold metal liquid in the circular storage groove,the width of the hook groove is far smaller than the width of a slag ladle feeding groove, and the impact force of the metal liquid can also be reduced; and the limiting screw is loosened, a limit ring can slide axially in the