Device for isolating foreign matters on surface of laser lens

The utility model discloses a device for isolating foreign matters on the surface of a laser lens, which is used for isolating the lens and comprises an annular and hollow air chamber, a clamping joint fixed on the outer wall of the air chamber and an air inlet joint communicated with the air chamber, a plurality of air outlets are arranged on the inner side of the air chamber, and the clamping joint is used for clamping the lens. In the process of welding the connecting piece on the lithium battery, a device for isolating foreign matters on the surface of the laser lens is fixed on the outer wall of the laser lens, high-pressure gas is blown out of an air chamber to form an air curtain, and the formed air curtain isolates metal or dust particles generated in the welding process, so that the lens is protected, the service life of the lens is prolonged, and the replacement period of the lens is prolonged. 本实用新型公开了一种用于隔离激光镜头表面异物的装置，用于隔离镜头，其包括环形且中空的风室、固定于所述风室的外壁卡接头、和所述风室连通的进气接头，其中，所述风室内侧开设数个出风口，所述卡接头用于卡接镜头。锂电池焊接