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1. 发明授权

US4386495A Double twisting spindle with a pneumatically operated threading device 失效
标题翻译：双重扭转主轴带气动螺纹装置
公开(公告)号：US4386495A
公开(公告)日：1983-06-07
申请号：US240707
申请日：1981-03-05
申请人： Waldemar Rothmeier , Rolf-Dieter Weber , Zdenek Hemala, deceased
发明人： Waldemar Rothmeier , Rolf-Dieter Weber , Zdenek Hemala, deceased
IPC分类号： D01H7/88 , D01H7/86 , D01H15/00 , D01H15/007
CPC分类号： D01H7/86 , D01H15/007
摘要： A double twisting spindle is equipped with a pneumatically operated threading device. An injector nozzle is provided in the spindle rotor, an air stream through which nozzle sucks a thread into a hollow spindle axle and moves the thread through a thread channel in the storage plate. A compressed-air supply device is arranged below the spindle rotor for supplying compressed air to a central connecting channel provided in the spindle rotor and in communication with the injector nozzle. A common operating lever is provided which first operates a spindle brake and then opens a valve of the compressed-air supply device. The connecting channel has at its open lower end a funnel-shaped enlargement. The compressed-air supply device is stationary and has a blow nozzle which is fixedly arranged a small distance from the lower end of the spindle rotor and has an outlet opening which is coaxial with the funnel-shaped portion, the diameter of the outlet opening being smaller than the inlet diameter of the funnel-shaped portion.
摘要翻译：双扭转主轴配有气动螺纹装置。在主轴转子中设有喷射器喷嘴，喷嘴通过喷嘴将螺纹吸入中空的主轴轴并将螺纹移动通过存储板中的螺纹通道。压缩空气供应装置设置在主轴转子下方，用于将压缩空气供给到设置在主轴转子中的中心连接通道并与喷射器喷嘴连通。提供了一个常用的操作杆，其首先操作主轴制动器，然后打开压缩空气供应装置的阀。连接通道在其开口的下端具有漏斗形放大。压缩空气供给装置是静止的，并且具有与主轴转子的下端固定布置的距离小的喷嘴，并具有与漏斗形部分同轴的出口，出口的直径为小于漏斗形部分的入口直径。

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