Full-automatic squeeze riveter

The full-automatic squeeze riveter comprises a workbench, one side of the workbench is connected with a rack, and the other side of the workbench is connected with an automatic feeding and screening mechanism and a nut conveying mechanism; the automatic riveting machine further comprises a riveting mechanism, and the riveting mechanism is connected to the machine frame. The automatic feeding and screening mechanism is used for achieving automatic feeding of nuts. The nut conveying mechanism is used for transversely placing the nuts at the tail end of the automatic feeding and screening mechanism into the sleeves through a nut placing opening. A workpiece conveying mechanism is arranged on the side, close to the rivet pressing mechanism, of the workbench and used for conveying workpieces to the position below the rivet pressing mechanism. In the whole pressing and riveting process, force borne by the workpiece to be machined in the vertical direction is uniform, the nut is precisely punched and riveted to the