Self-punching rivet and self-punching rivet dismounting device

The invention discloses a self-punching rivet and a self-punching rivet dismounting device. The self-punching rivet dismounting device comprises a rivet puncturing part, a rivet head part and a rivet waist part, a groove is formed in the rivet waist part, and the rivet waist part is connected with the rivet puncture part and the rivet head part; the rivet puncturing part is arranged at the bottom end of the rivet waist part, and the rivet head part is arranged at the top end of the rivet waist part; self-punching riveting of hot-formed steel with the pressure larger than 1500 MPa and aluminum alloy with the elongation percentage lower than 10% is achieved, visual qualification judgment of riveting points is achieved, the application range of steel and aluminum material connection is widened, and the traceability of the connection quality is improved. 本发明公开了一种自冲铆钉及自冲铆钉拆卸装置，包括：铆钉穿刺部、铆钉头部和铆钉腰部；所述铆钉腰部设有凹槽，所述铆钉腰部连接所述铆钉穿刺部和所述铆钉头部；所述铆钉穿刺部设置在所述铆钉腰部底端，所述铆钉头部设置在所述铆钉腰部顶端；解决大于1500MPa的热成型钢与延展率低于10％的铝合金的自冲铆，并且实现铆点的可视化合格判断，