Rivet turnover device of thin-wall part

The utility model discloses a rivet turnover device of a thin-wall part. The rivet turnover device comprises a rivet head (5) and a moving mandrel (6), wherein a through hole (11) is formed in the middle of the rivet head (5), the middle part of the moving mandrel (6) is a thin-wall part guide section (14), the thin-wall part guide section (14) is provided with a rivet head guide section (13), the rivet head guide section (13) is inserted into the through hole (11), and the bottom of the moving mandrel (6) is provided with an elastic element (8). Compared with the prior art, before the force is applied and in the rivet turnover process, the entire inner wall of the thin-wall part is completely supported and protected, the component is controlled not to be greatly deformed, and the stuck in movement, the seizure and the necking phenomenon can be avoided.