capped queen cells

We checked our hives today to see if they needed more honey supers and found capped swarm swarm cells on the bottoms of frames in three hives.
We use two deeps for brood and mediums above. One of the queen cells had alot of action around it. The workers were either capping it off or removing some of the wax and underneath was a weblike coccoon. There were actually two cells like this with the exposed cocoon. Can anyone shed some light on that for me. Another cell had larva in the bottom and a worker was going in and out. Feeding I suppose. Another was just capped. There are capped drone cells in with them as well. Most of the cell action is going on in the medium supers.(Decided to try removing queen excluders this year} Guess I'll try meduim brood bodies now. Easier on the shoulders I understand.
These hives are not exactly friendly when bothered too long and I have trouble finding the queen with these old eyes of mine. Would like to take advantage of those cells before they emerge.
What type of split would be our best bet. Don't think I have much time.