Prefabricated part mold

The utility model discloses a prefabricated part die which comprises a bottom die, side dies located on the two sides of the bottom die and end dies located at the two ends of the bottom die, the side die on at least one side is hinged to the bottom die, the end die on at least one end is hinged to the bottom die, first connecting pieces are arranged at the two ends of the side dies, second connecting pieces are arranged on the two sides of the end dies, and the first connecting pieces are connected with the second connecting pieces. The first connecting piece and the second connecting piece are provided with inserting holes and are locked through plug pins. And when the mold needs to be disassembled, only the plug pin needs to be pulled out, so that the first connecting piece and the second connecting piece are not locked any more, and then the side mold bodies and the end mold bodies are turned outwards. When the mold needs to be closed, the side mold and the end mold are turned inwards in place firstly, th