The invention relates to an automatic roll changing and cloth releasing device. The automatic roll changing and cloth releasing device comprises a rack, cloth feeding mechanisms, a head and
tail rebutting device, a deviation rectifying device, a floating and rolling
tension control device and a slitting device, wherein the front side and the rear side of the rack are arranged in a symmetrical structure, and a primary cloth releasing frame and a secondary cloth releasing frame are arranged at the front side of the rack; four cloth feeding mechanisms are respectively arranged above two primary non-
woven fabric rolls and above two secondary non-
woven fabric rolls; the head and
tail rebutting device is arranged below a central position between the primary cloth releasing frame and the secondary cloth releasing frame; the deviation rectifying device is arranged at the right end of the rack and comprises a mounting block and a mounting sleeve; the floating and rolling
tension control devicecomprises a
control rod, a compensation roller used for conveying non-woven fabrics and a
control rod driving part used for driving the
control rod to move; and the slitting device comprises a rollingroller and a cutter roller which are arranged up and down. Two rolls of non-woven fabrics can be full-automatically processed every time, continuous
processing is carried out on the non-woven fabricswithout halt, both time and labor are saved, operation is easy, control is precise, labor cost is greatly reduced, and working efficiency is improved, so that the automatic roll changing and cloth releasing device provided by the invention has good economic benefit.