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公开(公告)号：US20180193899A1
公开(公告)日：2018-07-12
申请号：US15564195
申请日：2016-04-07
发明人： Cengitz KIZILKAN
CPC分类号： B21D43/24 , B21D43/003 , B21D43/18 , B65G59/04 , B65H3/16 , B65H3/60 , B65H2701/1714 , B65H2701/173
摘要： A device for separating and gripping an outermost sheet of ferromagnetic material from a stack of ferromagnetic sheet material, comprising: a carrier structure with a mount for attaching the carrier as an end-of-arm-tool (EOAT) to a robotic arm arranged for moving and positioning the device into an operating position adjacent a side of a stack of ferromagnetic sheets and a remote position removed from the stack of ferromagnetic sheets; a magnetic fanning apparatus mounted at the carrier structure and having a switchable magnet and a pair of fanning pole shoes magnetisable by the magnet with opposite polarities, the fanning pole shoes located at the carrier such that when in the operating position of the device these face the side of stacked sheets and extend over the thickness of at least the outermost and an underlying sheet of the stack, whereby in an on state of the magnet magnetic fields of like polarity are induced by the fanning pole shoes in overlapping sections of edge regions of these sheets and repulsive forces are generated whereby the outermost sheet seeks to lift away from the underlying sheet by magnetic repulsion; and preferably but optionally a sheet gripping apparatus mounted at the carrier structure arranged for contacting a face of the outermost sheet and secure the sheet to the EOAT for retrieval thereof upon the device being displaced from its operative position away from the stack of sheets.
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