Disney is damn notorious for vore themes, as are many cartoons. Tic Tock is always trying to eat captain hook and looks so darn happy about it.
In Goofy tiger trouble, not only does the tiger swallow someone whole at one point, it also removes the boot and licks the foot. (There have been some great parodies of it.)
Hercules gets eaten by the Hydra,
And Kaa of course tries to eat Mowgli multiple times.