Engineering data classification device for cost accounting

The utility model discloses an engineering data classification device for cost accounting, and relates to the technical field of data classification devices, the engineering data classification device comprises a bottom plate and a plurality of storage devices, a storage box is arranged above the bottom plate, a spring is arranged below the inner part of the storage box, and a movable plate is arranged above the spring. Through mutual cooperation of springs, movable plates, storage boxes, rotating shafts, fixed shafts, elastic blocks and guide blocks, the cover plates can be pulled upwards, the movable plates move upwards in the storage box under the elastic force of the springs, the guide blocks make contact with clamping rings, the upper ends of the multiple storage devices move out of the storage box, and in the upward moving process of the movable plates, the storage devices can be stored in the storage box. The upper ends of the plurality of storage boxes are overturned outwards under the elastic force o