Winding roller of medicinal film laminating machine

The utility model relates to a wind-up roller of a medicinal film laminating machine, and belongs to the technical field of accessory equipment of the medicinal film laminating machine. The wind-up roller of the medicinal film laminating machine comprises a roller body, a locker, an inflation supporter, a connecting shaft and a transmission shaft, the roller body is of a cylinder structure with the two ends sealed. A plurality of lockers are regularly mounted on the circumferential surface of the roller body; one end of the roller body is provided with a transmission shaft; a supporting bearing is arranged on the transmission shaft; a transmission gear is mounted on one side of the supporting bearing in a key mounting manner; a locking nut is mounted on the transmission shaft on one side of the transmission gear through threads; a connecting shaft is arranged at the other end of the roller body; and one end of the connecting shaft is connected with an inflating support device. The wind-up roll of the medicina