Glass steel storage tank end seal mold

The utility model discloses a glass steel storage tank end seal mold which comprises a hemisphere section (1), a mounting section (2), a mold turned edge (3) and an arced transition section (7), wherein the inner side surface of the mold is used as a hub-shaped working surface (4); a hemisphere top round surface (4) is arranged at the center of the working surface (4), that is, the top part of the inner side surface of the hemisphere section (1); one end of each of more than three hub-shaped concave surface structures (5) is connected with the hemisphere top round surface and the ends of the hub-shaped concave surface structures (5) are uniformly distributed on the working surface (4) in a radiation manner; hub-shaped convex surface structures (6) are formed between the adjacent hub-shaped concave surface structures (5); the connecting part of the inner side surface of the hemisphere section (1) on the working surface (4) and the inner side surface of the mounting section (2) is in arced transition. The end s