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公开(公告)号：US20220234158A1
公开(公告)日：2022-07-28
申请号：US17391277
申请日：2021-08-02
发明人： Yebing Tian , Cheng Qian , Zenghua Fan , Zhiguang Sun
摘要： A controllable magnetic field-assisted finishing apparatus for an inner surface and a finishing method are provided. The apparatus includes a housing, ball screw mechanisms, a workpiece, a centering clamp, a connecting plate, a magnetic field generating device, a chuck clamp, a precise displacement platform and a base. The magnetic field generating device includes electromagnetic coils, coil connecting plates, a magnetic yoke, nuts, springs and bolts. The magnetic field generating device dynamically adjusts a distance from the magnetic yoke to the outer surface of the workpiece through the springs. The movement tracks of the magnetic finishing medium are controlled by the formed rotation of the magnetic field, the finishing action force dynamic-adjustment, the optimization of the machining form of the magnetic finishing medium in collaboration with the rotation of the chuck clamp and the feed movement of the precise displacement platform.
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公开(公告)号：US12017319B2
公开(公告)日：2024-06-25
申请号：US17391277
申请日：2021-08-02
发明人： Yebing Tian , Cheng Qian , Zenghua Fan , Zhiguang Sun
CPC分类号： B24B1/005 , B24B31/102 , B24B31/12 , B24B41/06 , B24B47/20
摘要： A controllable magnetic field-assisted finishing apparatus for an inner surface and a finishing method are provided. The apparatus includes a housing, ball screw mechanisms, a workpiece, a centering clamp, a connecting plate, a magnetic field generating device, a chuck clamp, a precise displacement platform and a base. The magnetic field generating device includes electromagnetic coils, coil connecting plates, a magnetic yoke, nuts, springs and bolts. The magnetic field generating device dynamically adjusts a distance from the magnetic yoke to the outer surface of the workpiece through the springs. The movement tracks of the magnetic finishing medium are controlled by the formed rotation of the magnetic field, the finishing action force dynamic-adjustment, the optimization of the machining form of the magnetic finishing medium in collaboration with the rotation of the chuck clamp and the feed movement of the precise displacement platform.
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公开(公告)号：US11724350B2
公开(公告)日：2023-08-15
申请号：US17001683
申请日：2020-08-25
发明人： Yebing Tian , Linguang Li , Bing Liu , Zenghua Fan
IPC分类号： B24B5/16 , B24B41/04 , B24B41/06 , B24B49/16 , B25J9/00 , B25J9/16 , B25J11/00 , B25J13/08 , B25J15/00 , B25J21/00
CPC分类号： B24B5/16 , B24B41/04 , B24B41/06 , B24B49/16 , B25J9/0018 , B25J9/0096 , B25J9/1633 , B25J11/0065 , B25J13/085 , B25J15/0019 , B25J21/00
摘要： The present invention discloses an automatic high-shear low-pressure force-controlled grinding device for a complicated curved surface and a machining method thereof, which belong to the field of complicated curved surface grinding technologies of difficult-to-machine materials. The device comprises a base, columns, an industrial robot, an electrical spindle, a force-controlled floating work holder, a workpiece chuck, a grinder plate, a six-dimensional force sensor, a rotary table, a triaxial precision displacement table, a safeguard hood, a safety door, and a pedestal. The grinder plate comprises a grinder plate substrate, a press plate, a lining plate, and an abrasive layer. Each module is effectively communicated, and a control system collects and processes signals as well as transmits commands to achieve automatic force-controlled grinding of the complicated curved surface. The abrasive layer of the grinder plate generates the shear thickening effect; so, the material can be removed in a high-shear low-pressure grinding manner.
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4.发明授权公开(公告)号：US12083645B2
公开(公告)日：2024-09-10
申请号：US17391210
申请日：2021-08-02
发明人： Yebing Tian , Zenghua Fan , Qiang Zhou , Cheng Qian
摘要： A magnetic field-assisted vibratory finishing device for a minute structure and a finishing method is provided. The device includes a rotating shaft, a workpiece clamping device, a magnetic field generating device, a vibration assisting device, a three-axis precision displacement platform and a base. The magnetic field generating device includes a baffle plate, magnetic bars and a magnetic-pole groove. The vibration assisting device includes a housing, guide fixing rods, a vibration motor, a vibration connecting plate, and compression springs. The workpiece clamping device clamps parts with a variety of structural shapes, and a frequency controller can control the motion mode of the magnetic field generating device during the finishing processing, thereby controlling the motion track of grinding material.
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5.发明申请公开(公告)号：US20220097194A1
公开(公告)日：2022-03-31
申请号：US17391210
申请日：2021-08-02
发明人： Yebing Tian , Zenghua Fan , Qiang Zhou , Cheng Qian
摘要： A magnetic field assisted vibratory finishing device for a minute structure and a finishing method is provided. The device includes a rotating shaft, a workpiece clamping device, a magnetic field generating device, a vibration assisting device, a three-axis precision displacement platform and a base. The magnetic field generating device includes a baffle plate, magnetic poles and a magnetic pole groove. The vibration assisting device includes a housing, guide fixing rods, a vibration motor, a vibration connecting plate, and compression springs. The workpiece clamping device clamps parts of structural shapes, and the frequency controller can control the motion mode of the magnetic field generating device during the finishing processing, thereby controlling the motion track of grinding material.
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