Sterilization device for medicine manufacturing

The utility model provides a sterilization device for medicine manufacturing. Ultraviolet lamp tube, one end of the ultraviolet lamp tube is sleeved with a wiring cylinder; a sealing plate is fixed tothe end, away from the ultraviolet lamp tube, of the wiring cylinder. The wiring cylinder is sleeved with an external thread cylinder. A ring edge is fixed to the end, close to the sealing plate, ofthe outer threaded cylinder. At least three counterbores are annularly formed in the face, away from the sealing plate, of the ring edge at equal intervals. At least three threaded blind holes matchedwith the counterbores are annularly formed in the face, facing the ring edge, of the sealing plate at equal intervals. Countersunk head screws are arranged in the countersunk head holes; compared with the prior art, the external thread cylinder is provided with a threaded blind hole, the countersunk head screw penetrates through the countersunk head hole to be meshed in the threaded blind hole, the inner surface of the ext