Novel milk foaming device

The utility model discloses a novel milk frothing device which comprises a shell and a frothing assembly installed on the shell, the frothing assembly comprises a four-way pipe, an air valve, a milk pipe and a milk frothing outlet pipe, the milk pipe sucks milk from a milk box, steam enters the four-way pipe through a milk connector, the four-way pipe is connected with the air valve, and the milk frothing outlet pipe is connected with the air valve. The four-way pipe is provided with an air valve cavity, the air valve is inserted into the air valve cavity, the air valve cavity is sealed with the outer wall of the air valve, the air valve is inserted into the air valve cavity, and the air valve cavity is sealed with the outer wall of the air valve. The air valve comprises a valve sleeve and an air valve element, the air valve element is made of metal, and an air inlet groove is machined in the outer wall of the air valve element. The air valve is divided into the valve sleeve and the metal air valve element, t