Composite die capable of achieving same-sequence edge-cutting upturning and side-turning and stamping process of same-sequence edge-cutting upturning and side-turning

The composite die comprises an upper die body and a lower die body, the lower die body is provided with a male die and a lower die movable core, the lower portion of the upper die body is provided with an upper material pressing core, the male die is arranged on the lower die movable core to form a floating male die structure, and the upper material pressing core is arranged on the lower portion of the upper die body. A lower die cutting turning knife block is arranged on the lower die body close to the edge of the convex die; an upper die trimming knife block is arranged on the lower part of the upper die body corresponding to the lower die cutting turning knife block; a lewis is arranged on the upper die body corresponding to the side edge of the upper material pressing core, a rotary wedge is arranged on the lower die movable core corresponding to the lewis, and a side turning cutter block is arranged on the inner side of the lewis. According to the design, the problems of insufficient structural design sp