Differential-lid-separating multi-head laser bottle lid flying marking device

The invention relates to a laser bottle lid flying marking device, in particular to a differential-lid-separating multi-head laser bottle lid flying marking device and belongs to the technical field of bottle lid laser marking equipment. The differential-lid-separating multi-head laser bottle lid flying marking device comprises a bottle lid differential separation conveying chain plate mechanism, a laser marking mechanism and a two-dimensional code photographing and code reading mechanism which are sequentially arranged; the bottle lid differential separation conveying chain plate mechanism comprises a bottle lid input mechanism, a bottle lid output mechanism and a bottle lid guiding mechanism; the bottle lid output mechanism is arranged at the tail end of the bottle lid input mechanism; the bottle lid guiding mechanism is located between the tail end of the bottle lid input mechanism and the front end of the bottle lid output mechanism; and the bottle lid guiding mechanism communicates with a conveying chann