need to wean my 16 month old, will sending her to her grandparents for a few days work??? desperate

i’ve tried everything else under the sun and she doesn’t wanna give up the boob im desperate my nipple are at a point of bleeding will it help if i send her to her grandparents for 2-4 days? im thinking if the source wont be there she’d have an easier time or will she want to breast again when she sees me a fee days later?? i have no experience whatsoever and need advice desperately