Quick die changing structure of progressive die

The utility model relates to the technical field of punching machines, and discloses a rapid progressive die changing structure which comprises a base, a long groove is formed in the top of the base, a bottom die is arranged at the top of the base, fixing holes are formed in the outer walls of the two ends of the bottom die, and fixing mechanisms are connected to the inner walls of the fixing holes in a clamped mode. And a top mold is arranged at the top of the bottom mold. The fixing nut is unscrewed, the top die is arranged on the bottom die, then the pull rod is pulled to drive the moving piece and the clamping block to move, the clamping block is separated from the fixing hole, and the top die and the bottom die can be taken down at the moment, so that the problems that an upper die and a lower die of existing stamping equipment are fixed through bolts, and when being taken out, the upper die and the lower die cannot be taken out are solved. Screws of an upper die and a lower die need to be unscrewed, so