Multi-part stamping-pressing forming die

The invention relates to a multi-part stamping-pressing forming die. The multi-part stamping-pressing forming die comprises stamping-pressing assemblies corresponding to a base a, a valve plate b and a valve plate c, wherein the stamping-pressing assemblies can sequentially realize the following six process steps: 1) stamping location nail holes, stamping other holes except a central hole in the base a, stamping large-diameter holes in the valve plate b and the valve plate c, and pressing positive and reverse valve line grooves of the valve plate b and the valve plate c; 2) pressing earthing marks on the base a, and stamping valve line holes and other holes in the valve plate b and the valve plate c; 3) blanking shapes of the valve plate b and the valve plate c; 4) stamping a central hole of the base a; 5) blanking a local outline of the base a; and 6) extruding circular bulges of the base a, and blanking a shape of the base a. The die increases the material utilization rate, reduces the cost, and increases the efficiency.