Metal plate material square point connection stamping die

The utility model provides a square point connection stamping die for metal plate materials, which relates to the technical field of rivet-free connection and comprises a female die component and a male die component which are sequentially arranged from bottom to top, the female die component and the male die component are oppositely arranged, and the central axis of the female die component coincides with the central axis of the male die component. The male die assembly is driven by the driving assembly to reciprocate in the vertical direction, the upper end face of the female die assembly is provided with a rectangular stamping groove allowing the stamping end of the male die assembly to be inserted from top to bottom, the surface profile of the stamping end of the male die assembly is matched with a cavity of the stamping groove, and the surface profile of the stamping end of the male die assembly is square. The utility model has the advantages of simple structure, reasonable design, high dynamic fatigue s