The utility model relates to the field of screw production. The utility model discloses a screw riveting positioning device and a screw processed by the screw riveting positioning device, the screw riveting positioning device comprises a positioning jig, a
cantilever, a lifting device, an ejector rod, an elastic element and a lifting
assembly, the ejector rod is arranged on the
cantilever, the lifting
assembly comprises a lower lifting platform, a guide column and a positioning block, and the
cantilever, the ejector rod, the lower lifting platform and the positioning jig are sequentially arranged from top to bottom. The guide columns are arranged around the ejector rod at intervals and slidably arranged on the cantilever, the lower ends of the guide columns are arranged on the lower lifting table, the positioning blocks are evenly arranged around the center line of the ejector rod at intervals and slidably arranged on the lower lifting table in the radial direction of the ejector rod, and the ends, close to the center line of the ejector rod, of the positioning blocks are each provided with a first guide face. A cone is convexly arranged on the lower surface of the ejector rod; and the first guide surface is coplanar with the
conical surface of the cone. The boat-shaped sheet
metal part and the screw body can be positioned, boat-shaped sheet
metal parts of various specifications can be positioned, the universality is high, and the requirement for automatic production is met.