After time fix stand for cooking (6)
I believe the answer is:
trivet
'stand for cooking' is the definition.
(stand for holding a cooking pot)
'after time fix' is the wordplay.
'after time' becomes 't' (abbreviation. I am not sure about the 'after' bit.).
'fix' becomes 'rivet' (riveting is a kind of fixing).
't'+'rivet'='TRIVET'
(Other definitions for trivet that I've seen before include "bracket for cooking-pot" , "Support for kettle or pot over a fire" , "Iron stand like tripod for pot or kettle" , "Teapot stand, proverbially right" , "Metal stand, proverbially right" .)