Multi-specification step mold fixed mold inlaying and splicing structure

The utility model discloses a fixed die inlaying and splicing structure of a multi-specification step die. The injection mold comprises two fixed mold base bodies which are spliced to form a fixed mold, notches are formed in the edges of the opposite sides of the two fixed mold base bodies; the two notches are spliced to form a groove; a pouring gate base body internally provided with a pouring gate is arranged in the groove; splicing pieces are detachably connected to the two sides of the pouring gate base body; each splicing piece is connected with the corresponding fixed mold base body through a connecting piece; a circular bead is arranged on one side, attached to the fixed mold base body, of the connecting piece; the sides, attached to the splicing pieces, of the connecting pieces areplanes; a connecting piece is arranged between the splicing piece and the fixed mold base body; a circular bead is arranged on one side, attached to the fixed mold base body, of the connecting piece;the side, attached to the