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    • 1. 发明申请
    • PERMANENT MAGNETIC DEVICE
    • 永磁装置
    • US20160289046A1
    • 2016-10-06
    • US15036548
    • 2014-11-17
    • MAGSWITCH TECHNOLOGY INC.
    • David H. NortonYiwei Yan
    • B66C1/04H01F7/02H01F7/04
    • B66C1/04H01F7/021H01F7/04
    • A magnetic device (100) for lifting and/or holding ferromagnetic work-pieces comprises a ferromagnetic housing block (10) and a switchable magnet arrangement accommodated within a cavity of the housing block (10). The housing (10) is formed to define two longitudinal sides that are substantially decoupled magnetically from one another. The switchable magnet arrangement comprises a series of interleaved dipolar magnet units (40, 42) arranged along a longitudinal axis of the housing block (10) between the two sides. The magnet units (40, 42) comprise a series of fixed permanent magnets (40) and rotatable permanent magnets (42) that are cylindrical, or more particularly annular in shape, and traversed by an actuation shaft (24) that rotates the rotatable magnets (42) with respect to the fixed magnets (40) about the longitudinal axis of the housing block (10). The magnet units (40, 42) can thus be switched between an ‘off’ position in which respective magnetic fields are opposed and substantially cancel each other, and an ‘on’ position in which respective magnetic fields are aligned and substantially reinforce each other.
    • 用于提升和/或保持铁磁性工件的磁性装置(100)包括容纳在壳体块(10)的空腔内的铁磁壳体块(10)和可切换磁体装置。 壳体(10)形成为限定两个彼此基本上磁耦合的纵向侧面。 可切换磁体装置包括沿着两侧之间的壳体块(10)的纵向轴线布置的一系列交错偶极磁体单元(40,42)。 磁体单元(40,42)包括一系列固定永磁体(40)和可旋转的永久磁体(42),它们是圆柱形的,或更特别是环形的,并且由致动轴(24)穿过,所述致动轴使旋转的磁体 (42)围绕所述壳体块(10)的纵向轴线相对于所述固定磁体(40)。 因此,磁体单元(40,42)可以在彼此相对的磁场相对的“关闭”位置和彼此基本抵消的“开”位置之间切换,并且其中相应磁场对准并且基本上彼此加强的“开”位置。
    • 3. 发明授权
    • Handheld metallic debris collector
    • 手持金属碎屑收集器
    • US08641112B1
    • 2014-02-04
    • US13397220
    • 2012-02-15
    • Luke Anderson
    • Luke Anderson
    • B66C1/04E21B31/06
    • A47L25/00
    • A handheld device for collecting, retaining, and discarding small metallic debris located on a desk surface. The body of the device includes two main components: A reservoir for collecting metallic debris and a hollow magnet housing that contains a permanent magnet and a raising mechanism. The magnet is placed inside the magnet housing and is capable of being raised and lowered. When the magnet is in its low position, its magnetic field extends beyond the reservoir thus attracting metallic debris to the top surface of the reservoir. To discard the collected metallic debris, the magnet is raised via the raising mechanism to a position in which the metallic debris is no longer within the magnetic field. Several mechanical raising mechanisms are disclosed.
    • 用于收集,保留和丢弃位于桌面上的小金属碎片的手持设备。 该装置的主体包括两个主要部件:用于收集金属碎片的储存器和包含永磁体和升高机构的中空磁体壳体。 磁体被放置在磁体壳体的内部并且能够升高和降低。 当磁体处于其低位置时,其磁场延伸超过储存器,从而将金属碎屑吸引到储存器的顶表面。 为了丢弃收集的金属碎屑,磁体通过升高机构升高到金属碎片不再在磁场内的位置。 公开了几种机械提升机构。
    • 5. 发明申请
    • PERMANENT MAGNETIC LIFTING DEVICE
    • 永磁提升装置
    • US20130026774A1
    • 2013-01-31
    • US13521503
    • 2010-02-12
    • Hong Ding
    • Hong Ding
    • B66C1/04
    • B66C1/04H01F7/0257
    • The present invention provides a kind of permanent magnetic lifting device, which has: a housing, at the bottom of which is a clamping surface for clamping objects; fixed magnet(s), set in housing relatively fixed to housing; a turnable magnet, set in housing relatively turnable to fixed magnet. When turnable magnet is in the first position relative to fixed magnet, the magnetic force generated by fixed magnet and turnable magnet to clamping surface is zero magnetic force; when turnable magnet is in the third position relative to fixed magnet, the magnetic force generated by fixed magnet and turnable magnet to clamping surface is the maximum magnetic force. The permanent magnetic lifting device also has a positioning mechanism for second position. When the positioning mechanism for second position positions turnable magnet in the second position relative to fixed magnet, fixed magnet and turnable magnet generate trial clamping magnetic force to clamping surface for clamping objects on trial. The trial clamping magnetic force is higher than zero magnetic force and lower than maximum magnetic force. The permanent magnetic lifting device enables an operator to easily operate trial clamping, and also to know whether the ratio of the maximum clamping force that can be generated by the permanent magnetic lifting device under the specific condition to the weight of the workpiece equals or exceeds 2 times or 3 times or other specific values, and through operation of trial clamping, potential risk in safety can be thoroughly eliminated.
    • 本发明提供一种永磁提升装置,其具有:壳体,其底部是夹紧物体的夹紧面; 固定磁体,设置在与壳体相对固定的壳体中; 固定在壳体内的可转动磁体可相对转动到固定磁体。 当可转动磁体相对于固定磁体位于第一位置时,由固定磁体和可转动磁体产生的夹紧磁力对零位磁力; 当可转动磁体相对于固定磁体位于第三位置时,由固定磁铁和可转动磁体产生的夹紧磁力对夹紧表面是最大的磁力。 永磁提升装置还具有用于第二位置的定位机构。 当第二位置的定位机构将可转动磁体相对于固定磁体位于第二位置时,固定磁铁和可转动磁体在试验中产生用于夹紧物体的夹紧表面的试验夹紧磁力。 试验夹紧磁力高于零磁力,低于最大磁力。 永磁提升装置使得操作者能够容易地操作试验夹紧,并且还知道在特定条件下由永磁提升装置产生的最大夹紧力与工件重量的比值是否等于或大于2 次或3次或其他具体值,通过试用夹持操作,可以彻底消除安全隐患。
    • 7. 发明申请
    • Integrated Vacuum Gripper with Internal Releasable Magnet and Method of Using Same
    • 具有内部可释放磁体的集成真空夹具及其使用方法
    • US20090297316A1
    • 2009-12-03
    • US12130301
    • 2008-05-30
    • James W. WellsLance T. Ransom
    • James W. WellsLance T. Ransom
    • B66C1/02B66C1/04B66C1/06
    • B66C1/06B66C1/0212B66C1/0256
    • An integrated vacuum and magnetic gripper includes a rigid housing defining an internal chamber, and a flexible vacuum cup operatively connected thereto. A vacuum cavity is defined by the vacuum cup and a vacuum source is configured to reduce pressure in the vacuum cavity. A permanent magnet is disposed within the rigid housing, and a magnet release mechanism is configured to selectively render the magnet incapable of exerting sufficient force to hold the work piece. A pole plate may be interposed between the internal chamber and vacuum cavity, such that the pole plate forms a portion of the internal chamber and may act to provide friction on the work piece. A method of using the gripped includes operating at high acceleration while the vacuum gripper is monitored as fully operational and operating only at lower acceleration while the vacuum gripper is not fully operational.
    • 集成的真空和磁性夹具包括限定内部室的刚性壳体和与其可操作地连接的柔性真空杯。 真空腔由真空杯限定,并且真空源构造成减小真空腔中的压力。 永磁体设置在刚性壳体内,并且磁体释放机构构造成选择性地使磁体不能施加足够的力来保持工件。 极板可以插入在内室和真空腔之间,使得极板形成内室的一部分并且可以起作用以在工件上提供摩擦力。 使用夹持的方法包括在高加速度下操作,同时真空夹具被监视为完全操作并且仅在较低加速度下操作,而真空夹具不能完全操作。
    • 9. 发明授权
    • Magnetic lifting machine using neodymium magnets
    • 磁性起重机采用钕磁铁
    • US06854777B2
    • 2005-02-15
    • US10354910
    • 2003-01-30
    • Hyung Jung
    • Hyung Jung
    • B66C1/04H01F7/04
    • B66C1/04
    • A magnetic lifting machine according to the present invention is to prevent an antioxidant film on the surface of neodymium magnets from exfoliation, by having the neodymium magnets not be in direct contact with a pair of polarity plates of the machine but via anti-exfoliation plates made of non-magnetic material. The anti-exfoliation plates are fitted to both sides of a rotor containing the neodymium magnets therein between the polarity plates, and each of the anti-exfoliation plates may include a plurality of holes for oil storage radially therethrough.
    • 根据本发明的磁性起重机是通过使钕磁体不与机器的一对极性板直接接触而通过防剥离板来防止钕磁铁表面上的抗氧化膜脱落 的非磁性材料。 防剥离板安装在极性板之间包含钕磁铁的转子的两侧,并且每个防剥离板可以包括用于径向通过其的油储存的多个孔。
    • 10. 发明授权
    • Grapple having one or more tines that include a magnet
    • 具有一个或多个包括磁体的齿的抓斗
    • US06155619A
    • 2000-12-05
    • US244123
    • 1999-02-04
    • Jay A. KirkpatrickJohn C. Droogsma
    • Jay A. KirkpatrickJohn C. Droogsma
    • B66C1/04B66C3/04
    • B66C1/04B66C3/04
    • An electromagnet is attached to the outer surface of at least one of the tines of a grapple. Preferably, the electromagnet is attached near the free end of the tine so that the bottom surface of the electromagnet, which extends between the inner and outer poles of the electromagnet, faces downward when the grapple is in the closed position. Preferably, the electromagnet is attached to the tine so that the bottom surface of the electromagnet is at or very close to the lowest point of the grapple when the grapple is in the closed position. It is also possible to attach respective electromagnets to any one of the plurality of tines, such that more than one of the plurality of tines has an electromagnet attached thereto.
    • 电磁铁附接到抓斗的至少一个尖齿的外表面。 优选地,电磁体附接在齿的自由端附近,使得当抓斗处于关闭位置时,在电磁体的内极和外极之间延伸的电磁体的底表面向下。 优选地,电磁体附接到齿,使得当抓斗处于关闭位置时,电磁体的底表面处于或非常接近抓斗的最低点。 也可以将相应的电磁铁连接到多个尖齿中的任何一个,使得多个尖齿中的多于一个的尖齿具有连接到其上的电磁体。