Semi-automatic cap-tightener for medicinal aluminum bottle

The utility model relates to a cap-tightener for a medicinal aluminum bottle, in particular to a semi-automatic cap-tightener for the medicinal aluminum bottle. The semi-automatic cap-tightener comprises a machine body, a sealing head lifting device and an opening sealing device. A main fixing sleeve is arranged on a box body. The lower portion of the main fixing sleeve is provided with a first long hole and a second long hole. A lifting locating sleeve is arranged in the main fixing sleeve. A rack is arranged on one side of the lifting locating sleeve. The rack is in movable fit with a gear on a fixing shaft. One end of the fixing shaft is connected with an operation handle. An inducting ring is arranged on the fixing shaft. An induction area and a non-induction area are arranged on the induction ring. A spline shaft jacket is arranged in the lifting locating sleeve in a sleeved mode. A spline shaft is arranged in the small-diameter end of the spline shaft jacket. The large-diameter end of the spline shaft jacket is connected with a sealing head connecting shaft. The sealing head connecting shaft is connected with the opening sealing device. Compared with the prior art, the semi-automatic cap-tightener converts complex electric control into simple manual control, and has the advantages of being simple in overall structure and convenient to operate.