Limiting structure and cast iron pan punching device

The utility model relates to the technical field of cast iron pan processing, in particular to a limiting structure and a cast iron pan punching device, which comprise a supporting structure, the supporting structure comprises a bottom plate, a supporting block is arranged in the middle of the upper end of the bottom plate, a supporting block is arranged on the bottom plate at the edge of the supporting block, and a cast iron pan is supported and placed at the upper end of the supporting block; a supporting structure is arranged at the upper end of the vertical plate, a top plate is arranged at the upper end of the vertical plate, a pressing structure is arranged on the top plate, the output end of the lower end of the pressing structure penetrates through the top plate to be connected to the lower end of the pressing structure, and the lower end of the pressing structure is pressed at the upper end of the cast iron pan. And the cast iron pan can be conveniently punched, the operation convenience is improved,