Self-service book borrowing and returning machine convenient to move

The utility model discloses a self-service book borrowing and returning machine convenient to move, which comprises a book borrowing and returning machine body, a voice prompt microphone, a connecting rod, an elastic ball, an elastic sealing ring, a connecting block, a connecting plate, a magnetic iron plate, a first spring, an electromagnet, an opening and closing mechanism and a moving mechanism, the voice prompt microphone is fixedly connected with a connecting rod, the connecting rod is in sliding connection with the book borrowing and returning machine body, the connecting rod is fixedly connected with an elastic ball, the elastic ball makes contact with the book borrowing and returning machine body, the voice prompt microphone is bonded with an elastic sealing ring, and the elastic sealing ring is in sliding connection with the book borrowing and returning machine body. And a connecting block is adhered to the other end of the elastic sealing ring. The utility model relates to a self-service book borrow