The automatic aluminium cover-capping machine is mainly used for the sealing of the one-time twist-off aluminium anti-theft cover. The structure adopts a four-claw balanced type head, and the force is evenly applied all over the cap. Applicable products include milk, tea, juice drinks, carbonated drinks, alcoholic beverages, oils, hair care products, skin care products, cosmetics, yogurt, fresh milk, sauces, liquid alcohol, oral liquid, etc.