the smaller, is it? it is there to push the bottle away which has not fallen in the grooves of Larger Clockwise Rotating wheel. also to avoid any accumulation of bottles!
since it is just a model with few bottles. for Good understanding, you can watch this real machine in working ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-uJdRi7l1Jjk.html
@@SolidworksFunPraveenSingh That what I thought but since the graphic look blocky my brain automatically trick it self in to thinking it some kind of solid object combine with the way it rotate down to the groves it got got me confused. Anyway Thx your work is amazing.