Independent ventilation cage box with air purification function for experimental animals

The utility model discloses an independent ventilation cage box with an air purification function for experimental animals, which relates to the technical field of experimental animal feeding devices and comprises a box body, a grid is fixedly connected to the inner wall of the box body, a trough is arranged on the surface of the grid, two ventilation pipelines are fixedly mounted on the surface of the box body, and the ventilation pipelines are communicated with the grid. Filter screens are fixedly connected to the inner walls of the two ventilation pipelines, a cover body is detachably connected to the upper end of the box body through a dismounting and mounting part, the dismounting and mounting part comprises a mounting plate fixedly connected to the surface of the box body, a first spring is fixedly connected to the surface of the mounting plate, a clamping groove is formed in the surface of the mounting plate, and a second spring is fixedly connected to the surface of the clamping groove. The inner wall