Belleville spring forming die

The utility model relates to the field of spring processing devices, in particular to a belleville spring forming die, which comprises a forming lower die used as a die cushion and used for supporting and fixing, and has the beneficial effects that a flat cushion needing to be pressed is placed between a forming upper die and the forming lower die; the forming upper die slowly slides downwards, the first positioning core is arranged at the upper end of the second positioning core, at the moment, the two positioning cores are arranged in the middle of the flat gasket, the flat gasket is located in the horizontal direction due to extrusion between the forming upper die and the lower die, then the flat gasket is continuously extruded downwards with force, and the flat gasket is extruded into a spring piece needed by the belleville spring. After extrusion is completed, the flat gasket can be taken out, the closing column at the lower end can be rotated to be opened according to the size of the flat gasket, the po