Metal box hemming die

The utility model discloses a crimping die for a metal box. The metal box hemming die comprises an upper die and a lower die, the upper die comprises an upper connecting plate and a female die, and the female die is fixed to the upper connecting plate; the lower die comprises a lower connecting plate, a hemming die and a male die, the hemming die is fixed on the lower connecting plate, a movable hole is formed in the hemming die, and the male die is arranged in the movable hole; the hemming die is made of metal, and the female die and the male die are made of plastic. The female die and the male die of the metal box hemming die are made of plastics, so that a product can be protected from being scratched in the hemming process, and the appearance of the product is smooth and neat. 本实用新型公开了一种金属盒卷边模具。所述金属盒卷边模具包括上模和下模，所述上模包括上连接板和凹模，所述凹模固定在上连接板上；所述下模包括下连接板、卷边模和凸模，所述卷边模固定在下连接板，所述卷边模设有活动孔，所述凸模设在活动孔内；所述卷边模采用金属制成，所述凹模和凸模采用塑料制成。本实用新型金属盒卷边模具的凹模和凸模采用塑料制成，能够保护产品在卷边过程中不会刮伤，以保护产品外观光滑整洁。