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公开(公告)号：US20230330771A1
公开(公告)日：2023-10-19
申请号：US18027138
申请日：2022-06-27
发明人： Xiuqing JIANG , Xiaojie ZHU
IPC分类号： B23K26/06 , B23K26/14 , B23K26/21 , B23K26/70 , B23K26/144 , B23K26/046
CPC分类号： B23K26/0648 , B23K26/1464 , B23K26/21 , B23K26/707 , B23K26/144 , B23K26/046
摘要： Provided is a lens assembly. The lens assembly includes a first optical path offset assembly (33), a second optical path offset assembly (34), a drive mechanism, an elastic seal ring (35) and a locking mechanism (37). The optical path of the first optical path offset assembly and the optical path of the second optical path offset assembly communicate with each other. The first optical path offset assembly and the second optical path offset assembly are each rotatable about the central axis of the lens assembly (3). The drive mechanism is configured to drive the first optical path offset assembly to rotate about the central axis. The elastic seal ring is configured to make the first optical path offset assembly and the second optical path offset assembly rotate together. The locking mechanism is pressed against the first optical path offset assembly or the second optical path offset assembly to enable the first optical path offset assembly and the second optical path offset assembly to rotate relative to each other. The lens assembly enables an offset laser beam to be further offset or be rectified, and thereby the size of a light spot can be regulated in a more diversified manner and with a higher precision. Also provided is a laser welding head. The laser welding head includes the preceding lens assembly.
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公开(公告)号：US20230321754A1
公开(公告)日：2023-10-12
申请号：US18041640
申请日：2022-06-28
发明人： Xiuqing JIANG , Xiaojie ZHU
CPC分类号： B23K26/0648 , B23K26/38
摘要： Provided are a lens barrel and a laser cutting head. The lens barrel includes a barrel, a pair of window lenses, a collimating lens, a focusing lens, and a drive assembly. The barrel is provided with a channel penetrating through the barrel. The pair of window lenses are disposed at two ends of the channel in a one-to-one manner. A sealing portion configured to seal the channel is disposed between the pair of window lenses and the inner wall of the channel. The collimating lens and the focusing lens are disposed sequentially in the channel. The moving end of the drive assembly is capable of moving along the extension direction of the channel. The barrel is connected to the moving end of the drive assembly.
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