Disposable sampling tube labeling machine convenient to maintain

The disposable sampling tube labeling machine convenient to maintain comprises a labeling machine head, a butt joint plate is fixedly connected to the surface of the labeling machine head, a machine body is connected to one side of the butt joint plate in a sliding mode, a clamping groove is formed in the top of the butt joint plate, and clamping plates are connected to the inner wall of the machine body and the inner wall of the clamping groove in a sliding mode. A connecting plate is fixedly connected to one end of the clamping plate, a positioning plate and a first spring are fixedly connected to the bottom of the connecting plate, a machine body is fixedly connected to one end of the first spring, the surface of the positioning plate is slidably connected to the inner wall of the machine body, and a supporting plate is fixedly mounted on the surface of the labeling machine head. According to the labeling machine disclosed by the utility model, the labeling machine head can be quickly disassembled and asse