Hey. That’s an interesting question. I unfortunately don’t have too much time to create an intricate version of this (lots of work and projects at the moment), but I created a quick one here. Hopefully it is useful to you in some way.
Here is the link to the Aseprite file and the spritesheets: https://www.dropbox.com/scl/fi/kobapizblj9f25avch53p/ConveyorBelt.zip?rlkey=pttvms2okfpsdfxgefkii8s2m&dl=0