Book grabbing device

The invention provides a book grabbing device. The book grabbing device comprises a book separating mechanism, a book grabbing mechanism, a push rod motor and a control part. The book separating mechanism comprises a longitudinal suspension beam and a book separating device fixed to one end of the longitudinal suspension beam and used for expanding space for taking and placing books; the book grabbing mechanism comprises a book guide rail and a book grabbing device, wherein the book guide rail and the longitudinal suspension beam are in the same direction, and the book grabbing device is used for grabbing or putting down a book in the space expanded by the book separating device; the push rod motor is used for pushing the book grabbing device to move along the book guide rail; the control part is used for controlling the book separating mechanism and the book grabbing mechanism to work respectively so as to complete book grabbing or putting motion.