That is male combat behavior. Also (at least form what I've seen) not normal post-breeding behavior. My males tend to search their cages a little after being returned, but not aggressively, and generally go right into their hides and bed down. Are you certain your female is a female and he wasn't still riled from having been with another male?
Or, for spider keepers . . . Do the male spiders ever mistake their own smell for that of another male?
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