Automatic mounting system capable of omitting rivet for cross rod plate pin of ring lock type scaffold

The invention discloses an automatic mounting system capable of omitting a rivet for a cross rod plate pin of a ring lock type scaffold. The automatic mounting system comprises a conveying line, a plurality of assembling units are distributed on the two sides of the conveying line, and each assembling unit comprises a material distributing device, a material storing device, a translation carrying unit, a direction selecting station, an assembling forming station and a discharging station; the material distributing device is arranged on one side of the conveying line and pushes transverse rods at the corresponding positions to the corresponding material storing devices; one end of the translation carrying unit is connected to the material storing device, and the other end of the translation carrying unit is connected to the discharging station; the direction selecting station and the assembling forming station are sequentially installed on the two sides of the translation carrying unit in the carrying directio