Automatic cage changing device for laboratory mice and cage changing method thereof

The invention discloses an automatic cage changing device for laboratory mice, which comprises a workbench for placing cage boxes, an image recognition assembly which is positioned above the workbench and is used for recognizing the positions of the cage boxes and the states of the laboratory mice in the cage boxes, and a cage changing assembly which is positioned on one side of the workbench, the cage changing assembly is provided with a mechanical arm and a moving assembly installed at the end of the mechanical arm, and the moving assembly is driven by the mechanical arm to move the laboratory mice in the dirty cage box into the clean cage box and screen out the laboratory mice without vital signs at the same time. According to the automatic cage changing device, automatic cage changing operation of laboratory mice is achieved, meanwhile, abnormal laboratory mice are automatically screened out, the cage changing efficiency is improved, meanwhile, personnel access is not needed through automatic operation, a