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Self-lifting shaftless unwind stand

机译:自升式无轴放卷架

摘要

An apparatus for lifting a roll of previously wound material and for unwinding the material from the roll is disclosed. The apparatus includes a hollow column around which a lift arm assembly is moved from a load position to an unwind position. A lifting mechanism for lifting the roll after it is loaded at the load position is also provided. A plurality of lift arm assemblies can be provided so that a stand-by roll can be loaded onto the apparatus to be quickly rotated into an unwinding position. The lift arm assembly supports the roll without the use of a shaft through the core of the roll. A drive motor is provided which includes a splined shaft for engaging the roll and turning the roll to unwind the material therefrom.
机译:公开了一种用于提起一卷先前缠绕的材料并从该卷上退卷材料的设备。该设备包括空心柱,升降臂组件绕空心柱从加载位置移动到展开位置。还提供了一种提升机构,用于在将卷材加载到加载位置之后将其卷起。可以设置多个提升臂组件,以便可以将备用辊加载到设备上,以快速旋转到退绕位置。提升臂组件无需使用穿过卷芯的轴即可支撑卷。提供了一种驱动马达,该驱动马达包括花键轴,该花键轴用于接合辊并转动辊以从中退绕材料。

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