An adhesive tape cutting device (10). The adhesive tape cutting device (10) comprises: an adhesive tape conveying mechanism (100), comprising a rack (110), a material cylinder (120), and an adhesive tape conveying assembly (130), wherein the material cylinder (120) and the adhesive tape conveying assembly (130) are arranged on the rack (110), and the rack (110) is configured to bear an adhesive tape (201) from the material cylinder (120); a first winding mechanism (200), comprising a first winding drum (210) and a cutting assembly (220) arranged on the rack (110), wherein the cutting assembly (220) is configured to cut a protective layer (21) and an adhesive layer (22) on a cutting end (25), and the first winding drum (210) is configured to wind the cut protective layer (21) and the adhesive layer (22); and a second winding mechanism (300), comprising a second winding drum (310) arranged on the rack (110) and configured to wind the remaining uncut protective layer (21). The adhesive tape conveying assembly (130) outputs a base layer (23) and the remaining uncut adhesive layer (22) from the rack (110).
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