Automatic screw tightening and assembling frame mechanism

The utility model discloses an automatic screw tightening and assembling frame mechanism, and belongs to the field of frame assembling and machining mechanical equipment. A nail conveying belt is horizontally wound on a nail guide rotating roller; the screw horizontal pushing mechanism and the screw transferring mechanism are sequentially and fixedly arranged on the screw conveying support on one side of the screw conveying belt in the horizontal direction. The screw tightening mechanism is vertically arranged on the screw conveying bracket on one side of the upper end of the frame conveying through hole; the nail pushing rotary plate is horizontally arranged on the lower side of the rotary electromagnet, a nail guide rail is horizontally and fixedly arranged on the upper side of the guide rail connecting plate, the adjusting guide plate is slidably arranged on the adjusting guide rod in the horizontal direction, a nail bearing connecting plate is fixedly arranged at the end of the transferring connecting pla