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公开(公告)号：US11440170B2
公开(公告)日：2022-09-13
申请号：US16991541
申请日：2020-08-12
Applicant: ABB Schweiz AG
Inventor： Cheng Li , Feifei Zhao , Yichao Mao
Abstract: The present application discloses an apparatus for mounting an O-ring to a work piece, which includes a body including a plurality of connecting holes for connecting a pressure source to the body; an annular groove formed on the body and adapted to receive the O-ring; and a plurality of air channels formed in the body, the plurality of air channels being in fluid communication with the annular groove and the plurality of connecting holes to provide negative pressure with the pressure source in the annular groove to suck the O-ring in the annular groove, the annular groove is coaxial with a groove formed on a surface of the work piece during the mounting so that the O-ring is dropped into the groove when the pressure source is disconnected from the body or provides positive pressure to the plurality of air channels.
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公开(公告)号：US11285592B2
公开(公告)日：2022-03-29
申请号：US16991572
申请日：2020-08-12
Applicant: ABB Schweiz AG
Inventor： Cheng Li , Feifei Zhao , Weijie Yan
Abstract: An apparatus for mounting an O-ring to a work piece, including: a plurality of picking components operable to move away from each other to contact and expand the O-ring to pick the O-ring or to move towards each other to release the O-ring; and a guiding component including a frustum portion arranged coaxially with a groove of the work piece, a large end face of the frustum portion arranged adjacent to an end surface of the work piece on which the groove is formed, wherein a diameter of the large end face is substantially same as an inner diameter of the groove, wherein the picking components are operable to release the O-ring onto a tapered surface of the frustum portion so that the O-ring is pushed into the groove along the tapered surface.
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公开(公告)号：US20200368888A1
公开(公告)日：2020-11-26
申请号：US16991572
申请日：2020-08-12
Applicant: ABB Schweiz AG
Inventor： Cheng Li , Feifei Zhao , Weijie Yan
Abstract: An apparatus for mounting an O-ring to a work piece, including: a plurality of picking components operable to move away from each other to contact and expand the O-ring to pick the O-ring or to move towards each other to release the O-ring; and a guiding component including a frustum portion arranged coaxially with a groove of the work piece, a large end face of the frustum portion arranged adjacent to an end surface of the work piece on which the groove is formed, wherein a diameter of the large end face is substantially same as an inner diameter of the groove, wherein the picking components are operable to release the O-ring onto a tapered surface of the frustum portion so that the O-ring is pushed into the groove along the tapered surface.
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公开(公告)号：US20200368886A1
公开(公告)日：2020-11-26
申请号：US16991541
申请日：2020-08-12
Applicant: ABB Schweiz AG
Inventor： Cheng Li , Feifei Zhao , Yichao Mao
Abstract: The present application discloses an apparatus for mounting an O-ring to a work piece, which includes a body including a plurality of connecting holes for connecting a pressure source to the body; an annular groove formed on the body and adapted to receive the O-ring; and a plurality of air channels formed in the body, the plurality of air channels being in fluid communication with the annular groove and the plurality of connecting holes to provide negative pressure with the pressure source in the annular groove to suck the O-ring in the annular groove, the annular groove is coaxial with a groove formed on a surface of the work piece during the mounting so that the O-ring is dropped into the groove when the pressure source is disconnected from the body or provides positive pressure to the plurality of air channels.
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