Ok obviously youre going for strength. Do low weights high reps now. Or drop sets man! Drop sets kill!

For a big chest, the best things you can do are heavy compound (multi-joint) movements. No matter if you're hitting a flat bench or an incline bench with dumbbells, you have to put extreme stress on the muscle fibers to make them grow.

imo too much volume with your fly's. Youve got three excersizes relating to fly's.

bent over barbell rows? and deadlifts? Wide T bar machine?
Might want to try this
Deadlift 1 set of 5 reps. Heavy
Bent over barbell- 3 sets 6,4,2
rest 90-120 seconds
Close grip flat bench press 5x5 (goal here is intensity)
Lat pulldown machine- 4 sets- 12,10,8,6
rest 120 seconds
Incline machine bench 8,6,4
DB shrugs: 3 sets of 10

Than maybe on arms day throw some chest in as well, but I bet your back is going to need a week recovery. IMO forget about fly's untill you get you get your close grip bench progressed.

This is my chest routine

Decline barbell 4 sets 8-12

incline dumbell 4 sets 8-12

incline dumbell flys 3 sets 8-12

pec deck flys 3 sets 8-12

Cable cross overs 3 sets 8-12

and then to finish it off i do 3 sets of pushups to failure

and try to find a good training partner that can really help you push past failure
INTENSITY IS THE KEY !!!!!!!!!!!