Book storage device suitable for book sorting

The invention discloses a book storage device suitable for book sorting, relates to the field of book sorting equipment, and adopts the technical scheme that the book storage device comprises a book storage rack, an inclined supporting rod is arranged on the book storage rack, a plurality of groups of placing racks are arranged on the supporting rod, each group of placing racks comprises two L-shaped book storage racks which are oppositely arranged, two inclined sliding rods are fixedly arranged in the middle of the book storage rack, and the two L-shaped book storage racks are oppositely arranged. A lead screw is arranged in the middle of the two sliding rods, and the two ends of the lead screw are rotationally connected with the book storage frame. A sliding plate is slidably connected to the sliding rod, a short transverse moving rail is fixedly arranged on the sliding plate, and a clamping mechanism used for clamping books is slidably arranged on the short transverse moving rail. The book sorting device h