Manufacturing method of milk powder can capable of being cleaned and sterilized

The invention discloses a manufacturing method of a cleanable and bactericidal milk powder can. The cleanable and bactericidal milk powder can comprises a cup punching mold, a primary stretching mold, a secondary stretching mold, a can bottom trimming mold and a rib rolling mold. In the manufacturing process of the cleanable and bactericidal milk powder can, only five working procedures of cup punching, stretching forming, embossing and edge curling, excess material shearing and rib rolling are needed, compared with a traditional tinplate milk powder can, the can body and the can bottom are integrally formed through the same piece of material, the welding process of a traditional forming technology is omitted, and the production cost is reduced. The risks of uneven can opening, insufficient welding, welding breakdown, unstable welding wire, uneven supplementary coating, non-curing in drying and scorching possibly occurring in the forming process of the working procedures of welding seam welding, supplementary