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    • 1. 发明公开
    • Device for altering the spacing between conveyed articles
    • Vorrichtung zumÄndernvom Abstand zwischengefördertenGegenständen
    • EP0812789A2
    • 1997-12-17
    • EP97303982.9
    • 1997-06-09
    • Curt G. Joa, Inc.
    • Meyer, Thomas C.
    • B65G47/84
    • A61F13/15764B65G47/848
    • Articles being conveyed on a source conveyor belt with uniform spacing between them are deposited on a receiving conveyor belt with a different uniform spacing between them utilizing a device that has one or more transfer units mounted for being driven rotationally about a common axis, each transfer unit having axially extending article pickup members which all rotate or orbit in the same circular path for gripping successive articles being presented on the source conveyor and transferring the articles to the receiving conveyor. The transfer units are driven rotationally with individual servomotors which are controlled to accelerate and decelerate cyclically such that the article pickup members arrive at the source conveyor or moving at the same linear speed as the source conveyor to pickup an article and arrive at the receiving conveyor moving linearly at the same speed as the receiving conveyor to deposit the article without relative motion between the pickup members and the conveyors while picking up and while depositing the articles.
    • 在其上具有均匀间隔的源输送带上输送的物品被沉积在接收传送带上,其间具有不同的均匀间隔,利用具有一个或多个安装用于围绕公共轴旋转驱动的传送单元的装置,每个传送单元 具有轴向延伸的物品拾取构件,其全部在相同的圆形路径中旋转或轨道,用于夹持在源输送器上呈现的连续物品并将物品传送到接收输送机。 传送单元被旋转地驱动,各个伺服电动机被控制以循环加速和减速,使得物品拾取构件到达源输送机或以与源输送器相同的线速度移动以拾取物品并到达接收输送机移动 以与接收输送机相同的速度线性地沉积物品,而不会在拾取构件和输送机之间相对运动,同时拾取并同时沉积物品。