Screw conveying device

The invention discloses a screw conveying device. The screw conveying device is characterized by comprising a stacking mechanism (2), a screw conveying mechanism (6), a manipulator (8), a detection mechanism (10) and a screw and nut assembling mechanism (13). The detection mechanism (10) is provided with a moving part (12) and a detection part (14). Through the screw conveying device, automatic feeding of screws, checking of the screws during feeding and assembly of screws and nuts can be achieved, all the processes is automatic production, and the production efficiency is promoted greatly.