摘要 |
Provided is a date-alteration-protected packaging bag manufacturing apparatus, comprising a punch press (11), a character printing machine (12), a hydraulic apparatus (13), a machine frame (14), and a controller (15); the punch press (11) comprises a date punching machine (16), a shelf life punching machine (17), a press (18), a punching pad die (19), and a first bottom die (20); the character printing machine (12) comprises a heat sealing machine (40) and a second bottom die (21); the operating process of the apparatus comprises an automatic operating process and a manual operating process; the automatic workflow process of the date-alteration-protected packaging bag manufacturing apparatus is: stamping a production date hole stamping a shelf life hole printing an alter-protected production date printing an alter-protected shelf life heat-sealing the alter-protected production date and alter-protected shelf life; the date-alteration-protected packaging bag manufacturing apparatus is used to manufacture the packaging bags of ordinary food products or other items to be date-alteration-protected packaging bags having alter-protection functionality; the packaging bags have multiple alter-protection functionalities, improving the performance of the packaging bags. |