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2. 发明授权

US5358097A Accumulation conveyor with retractable sensor 失效
标题翻译：带可伸缩传感器的蓄能式输送机
公开(公告)号：US5358097A
公开(公告)日：1994-10-25
申请号：US26856
申请日：1993-03-05
申请人： Douglas J. Bakkila , Samuel J. DeMan , David H. Cotter , Bernard H. Woltjer , Arthur J. Terpstra, Jr.
发明人： Douglas J. Bakkila , Samuel J. DeMan , David H. Cotter , Bernard H. Woltjer , Arthur J. Terpstra, Jr.
IPC分类号： B65G43/08 , B65G47/26 , B65G47/28 , B65G47/68 , B65G13/06
CPC分类号： B65G47/261 , B65G2203/042
摘要： A pneumatic accumulation conveyor has an anti-singulation control capable of deactivating the drive of a zone if the product sensor for that zone and substantially all of the product sensors downstream of that zone sense the presence of product in order to produce an accumulation portion with no zones actuated and is capable of activating the drive of a zone if any of the drives downstream of the associated zone are actuated in order to produce a transport portion in which all zones upstream of any actuated drive are actuated to transport product without singulation of any upstream grouped product. The accumulation conveyor is controlled by retractable product sensors positioned at particular locations along the product conveyor in order to sense the presence of product at the particular locations. Each of the product sensors includes an arm that is selectively positioned in the path of the product being conveyed by the product conveyor, a switch having an actuation member juxtaposed with the arm and a force-producing connection from a drive actuator of a downstream zone in order to move the arm from a position in the path of the product being conveyed to a retracted position. A mode control is provided for selecting one of first, second and third modes. In a first mode, the control actuates a discharge conveyor section and causes all sensors to be retracted from their sensing position to provide a slug discharge mode in order to clear out accumulated product without singulation. In a second mode, the control actuates the discharge conveyor but extends one group of sensors to a sensing position. This provides singulation between packages at the location of the sensor rollers to provide a singulation discharge mode in which gaps are drawn between packages. In a third mode, the discharge conveyor is deactuated and all sensors are allowed to be in their extended position in order to accumulate product.
摘要翻译：如果用于该区域的产品传感器和该区域下游的基本上所有产品传感器感测到产品的存在以便产生没有产生积聚部分的气动堆积输送机具有能够停用区域的驱动的抗分割控制区域被致动并且能够启动区域的驱动，如果在相关联区域下游的任何驱动器被致动以便产生传送部分，其中在任何致动的驱动器的上游的所有区域被致动以运输产品而不分离任何上游分组产品。堆积输送机由位于产品输送机的特定位置处的可伸缩产品传感器控制，以便感测产品在特定位置的存在。每个产品传感器包括臂，其选择性地定位在由产品输送机输送的产品的路径中，具有与臂并置的致动构件的开关和来自下游区域的驱动致动器的力产生连接以便将臂从被输送的产品的路径中的位置移动到缩回位置。提供了用于选择第一，第二和第三模式之一的模式控制。在第一模式中，控制致动排放输送机部分并使得所有传感器从其感测位置缩回以提供排料排出模式，以便在不分离的情况下清除积聚的产物。在第二模式中，该控制致动排放输送机，但是将一组传感器延伸到感测位置。这提供了在传感器辊的位置处的包装之间的分离，以提供单个排放模式，其中在包装之间绘制间隙。在第三种模式中，卸料输送机被停用，所有传感器都被允许处于其延伸位置以便积累产品。

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