Forming die with die core convenient to replace

The utility model discloses a forming die with a die core convenient to replace, which comprises a fixed die consisting of a lower support plate, a die core and an upper support plate, four first connecting rods are fixedly connected to the lower support plate, first mounting grooves matched with the four first connecting rods are formed in the upper support plate in a penetrating manner, and a second mounting groove matched with the four first connecting rods is formed in the lower support plate in a penetrating manner. The four first connecting rods penetrate through the opposite first mounting grooves and are connected through a connecting mechanism, the lower supporting plate is fixedly connected with four second connecting rods, and the bottom of the upper supporting plate is fixedlyconnected with four third connecting rods. The four second connecting rods and the four third connecting rods penetrate through the mold core and are connected with the mold core in a sliding mode, and an inserting rod is arr