The invention relates to the field of machining equipment for iron sheet products, in particular to a riveting device for iron sheet products. The riveting device comprises a supporting plate. The supporting plate is provided with a left-right riveting conveying groove through an installation base. The left end of the riveting conveying groove is provided with a lower plate feeding device matched with the riveting conveying groove, the lower portion of the riveting conveying groove is provided with a riveting bolt conveying groove matched with the riveting conveying groove, an upper plate feeding device matched with the riveting conveying groove is arranged above the riveting conveying groove, and the right end of the riveting conveying groove is provided with a receiving box matched with the riveting conveying groove. A receiving air cylinder in the front-back movement direction is connected to the receiving box. The tail end of the riveting bolt conveying groove is provided with an ejection device matched with the riveting bolt conveying groove. The bottom of the portion, over the ejection device, of the riveting conveying groove is provided with a riveting opening matched with the ejection device. A riveting bolt is ejected into the riveting conveying groove through the ejection device and matched with holes in two plates, riveting machining is completed, riveting efficiency is greatly improved, and riveting working time is shortened.