Automatic cover pressing device for centrifugal tube with cover

The utility model discloses an automatic cover pressing device for a centrifugal tube with a cover, and belongs to the technical field of test tube filling. The device comprises a base and a first air cylinder, the top of the base is fixedly connected with a sliding rail, the sliding rail is slidably connected with a mounting plate through a sliding block, one end of the mounting plate is hinged to a second air cylinder, the other end of the mounting plate is fixedly connected with a limiting block, and a limiting groove is formed in the limiting block and is in an inverted-L shape; the gland assembly slides on the limiting block along the shape of the limiting groove. According to the cover pressing device, through the arrangement of the cover pressing assembly and the limiting block, the cover pressing wheel moves along the track on the limiting block, a cover can be rapidly and stably covered, meanwhile, the moving range of the cover pressing wheel is limited, and a centrifugal tube cannot be damaged. 本实用新