This permanent magnet cage (1) is provided with: a first magnet (3) having a small coercive force; a second magnet (4) which is a rare earth magnet having a large coercive force and is formed in a ring shape; and a coil (5) that magnetizes the first magnets by being energized, the first magnets (3) being configured such that magnetic pole surfaces of different magnetic poles face each other in the axial direction of the axis (alpha), and the second magnets (4) being configured such that magnetic pole surfaces of different magnetic poles face each other in the axial direction of the axis (alpha) and disposed outside the first magnets in the radial direction of the axis (alpha). The first magnet (3), the second magnet (4), and the coil (5) are disposed so as to overlap in the radial direction of the axial center (alpha), and the magnetization direction of the first magnet (3) is switched by energizing the coil (5) when switching the suction opening/closing state, thereby performing a switching operation of the suction opening/closing state.

    本发明的永电磁保持架(1)具备:第一磁铁(3),为矫顽力较小的磁铁;第二磁铁(4),为矫顽力较大的稀土磁铁,构成为环状;以及线圈(5),通过被通电而使第一磁铁磁化,其中,第一磁铁(3)构成为不同磁极的磁极面分别朝向轴心(α)的轴向方向,第二磁铁(4)构成为不同磁极的磁极面分别朝向轴心(α)的轴向方向,在轴心(α)的径向方向上配置于所述第一磁铁的外侧,第一磁铁(3)、第二磁铁(4)以及线圈(5)配置为在轴心(α)的径向方向上重叠,通过在切换吸附开启/关闭状态时对线圈(5)通电而切换第一磁铁(3)的磁化方向,来进行吸附开启/关闭状态的切换动作。


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    Title :

    Permanent magnet retainer and conveying device


    Additional title:

    永电磁保持架和输送装置


    Contributors:

    Publication date :

    2022-10-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H01F MAGNETS , Magnete / B66C Krane , CRANES



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