Cloth liner cutting and edge locking device

According to the technical scheme, the cloth liner cutting and overlock device is characterized in that the cloth liner cutting and overlock device comprises an unwinding roller, and the unwinding roller is used for unwinding wound cloth liner; the number of the cutting and edge locking mechanisms is two, and the two cutting and edge locking mechanisms are used for cutting the two edge parts of the cloth liner and carrying out fusion edge locking on the cut positions; the cutting and overlock mechanism comprises an ultrasonic generator, the ultrasonic generator is used for emitting ultrasonic waves to the edges of the cloth liner, and the cut edges of the cloth liner are subjected to fusion overlock through the ultrasonic waves; the cutting assembly is used for being matched with the ultrasonic generator to complete cutting of the cloth liner; the edge of the cloth liner is cut, fused and overlocked through the cooperation of ultrasonic waves and the cutting assembly, the rough edge part of the cloth liner is