Card box device for self-service card taking

The embodiment of the utility model discloses a card box device for self-service card taking, and the device comprises a plurality of card boxes, and each card box is provided with a card box inlet; conveying the box body; the card identification assembly comprises a card circulation mechanism and a card identification mechanism; the card circulation mechanism is provided with a card inlet, moves to the corresponding card box after receiving a card taking instruction, and conveys the received card in the card box to the card recognition mechanism for card recognition; the first card conveying belt is used for conveying the identified target card to the card outlet; and the second card conveying belt is used for conveying non-target cards to the conveying box body, and the non-target cards are conveyed to the corresponding card boxes by the conveying box body for storage. According to the technical scheme, when a customer gets and changes a card without changing a number, a credit card and a retaining card fro