High-strength cap-shaped part electric field auxiliary reverse drawing forming mold

The invention discloses a high-strength cap-shaped part electric field auxiliary reverse drawing forming mold. The mold comprises an upper mold base and a lower mold base, a guide column is arranged on the lower mold base, and the upper mold base is in sliding connection with the guide column through a guide sleeve; a lining plate and a convex-concave mold are fixedly arranged on the lower side ofthe upper mold base, a ejector plate is arranged in the convex-concave mold, an axial knockout pin is arranged in the upper mold base in a sliding mode, the bottom end of the knockout pin is in contact with the top end of the ejector plate, and the top end of the knockout pin extends out of the top surface of the upper mold base; an annular insulating sleeve and a cylindrical negative electrode are arranged in the ejector plate, and the negative electrode is connected with a power source through a wire; a male mold fixing plate and a mold sleeve are fixedly arranged on the upper side of the lower mold base, a drawing