Self-adaptive strapping tape cutting device

The utility model discloses a self-adaptive strapping tape cutting device which comprises a conveying device, a pressing air cylinder, a stretching air cylinder, a fixed tool rest, a movable tool rest, an elastic element and a tool. Wherein the conveying device is used for conveying a label paper pile bundled by a bundling belt; a pressing part is arranged at the end part of a piston rod of the pressing cylinder, and is used for pressing the strapping tape on the label paper pile; the fixed knife rest is connected with a cylinder rod of the stretching cylinder; the movable knife rest is rotationally arranged on the fixed knife rest; one end of the elastic element is fixedly arranged on the fixed knife rest, and the other end of the elastic element is fixedly arranged on the movable knife rest; and the cutter is detachably arranged on the movable cutter rest. According to the self-adaptive strapping tape cutting device, the success rate of cutting of the film-coated strapping tape is improved, abrasion of a cu