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1. 发明授权

US5268975A Optical fiber switching system for laser welding 失效
标题翻译：激光焊接用光纤切换系统
公开(公告)号：US5268975A
公开(公告)日：1993-12-07
申请号：US872758
申请日：1992-04-24
申请人： Katsumi Yoshitani , Fumihiro Kasano , Hiromi Nishimura , Hideki Fukuzono , Tsutoma Shimomura
发明人： Katsumi Yoshitani , Fumihiro Kasano , Hiromi Nishimura , Hideki Fukuzono , Tsutoma Shimomura
IPC分类号： B23K26/067 , G02B6/35 , G02B6/26
CPC分类号： G02B6/3508 , B23K26/067 , B23K26/0673 , G02B6/3502 , G02B6/3546 , G02B6/355 , G02B6/3572 , G02B6/3582
摘要： A switching system for selectively distributing a laser beam from a laser source to one of a plurality of welding stations for laser welding thereat. The system includes a first optical fiber directing the laser beam therethrough, and a pair of second optical fibers leading to the welding stations, respectively. A switching device connects the first optical fiber selectively to one of the second optical fibers so as to pass the laser beam to the corresponding welding station for enabling the laser welding thereat. The switching device comprises a housing having a longitudinal axis and holding input ends of the second optical fibers in parallel relation with the longitudinal axis, a carrier supporting an output end of the first optical fiber and linearly movable together therewith within the housing in a direction perpendicular to the longitudinal axis such that the output end of the first optical fiber comes into and out of closely end-to-end facing relation to the input ends of the second optical fibers. An electromagnetic relay is included to have an armature which is movable between two positions and operatively connected to move the carrier for aligning the output end of the first optical fiber to the input end of a selected one of the second optical fibers for passing the laser beam to the selected one of the second optical fibers. The output and input ends of the optical fibers are each provided on with a heat-radiating sleeve for dissipation of heat.
摘要翻译：一种切换系统，用于选择性地将激光束从激光源分配到多个用于激光焊接的焊接站之一。该系统包括将激光束引导通过的第一光纤和分别通向焊接台的一对第二光纤。开关装置将第一光纤选择性地连接到第二光纤中的一个，以便将激光束传递到相应的焊接站，以使其能够进行激光焊接。开关装置包括具有纵向轴线并且保持第二光纤的输入端与纵向轴线平行关系的壳体，支撑着第一光纤的输出端的载体，并且在壳体内沿垂直方向线性移动使得第一光纤的输出端进入和离开与第二光纤的输入端紧密端对端的关系。包括电磁继电器以具有可在两个位置之间移动并且可操作地连接以移动载体的电枢，用于将第一光纤的输出端对准所选择的第二光纤的输入端，以使激光束到所选择的第二光纤中的一个。光纤的输出端和输入端分别设置有用于散热的散热套管。

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