WO2017016394A1 - 马达组装方法、马达转子和马达 - Google Patents

马达组装方法、马达转子和马达 Download PDF

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Publication number
WO2017016394A1
WO2017016394A1 PCT/CN2016/089981 CN2016089981W WO2017016394A1 WO 2017016394 A1 WO2017016394 A1 WO 2017016394A1 CN 2016089981 W CN2016089981 W CN 2016089981W WO 2017016394 A1 WO2017016394 A1 WO 2017016394A1
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Prior art keywords
magnet ring
ring
motor
mounting position
magnet
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PCT/CN2016/089981
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English (en)
French (fr)
Inventor
胡永健
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胡永健
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Application filed by 胡永健 filed Critical 胡永健
Publication of WO2017016394A1 publication Critical patent/WO2017016394A1/zh

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets

Definitions

  • the present application relates to the field of motor production, and in particular, to a motor assembly method, a motor rotor, and a motor.
  • the magnet ring In the assembly of the existing motor, the magnet ring needs to be placed on the magnet ring mounting position of the shaft center.
  • the inner diameter of the magnet ring In order to ensure that the magnet ring can be placed on the magnet ring mounting position on the shaft center, the inner diameter of the magnet ring must be slightly larger than The outer diameter of the magnet ring mounting position, that is, the gap between the magnet ring and the magnet ring mounting position.
  • a gluing method is generally used, for example, the gap is filled with 602 glue.
  • the gap can be designed to be small, the interference fit cannot be achieved because it needs to be installed.
  • the axis is affected by the magnetic force, and it will inevitably deviate to a certain direction, so that the concentricity of the axis and the magnet increases, and the increment is the radial width of the gap, because the axis is concentric with the magnet.
  • the increase in degree causes the motor shaft to be difficult to balance, resulting in unstable rotation of the motor.
  • a certain thickness of adhesive tape is attached to the shoulders at both ends of the magnet ring mounting position.
  • the outer diameter of the magnet ring mounting position on each axis and the inner diameter of the magnet ring are not the same, so it is impossible to determine the thickness of the adhesive paper that should be attached to each motor, and therefore, the problem cannot be fundamentally solved.
  • the present application provides a motor assembly method, a motor rotor, and a motor.
  • the present application provides a motor assembly method including a rotor assembly process, the rotor assembly process including:
  • the magnet ring is sleeved on the magnet ring mounting position, and the magnet ring is pressed against the elastic ring; [0009] a balance ring is respectively installed on both sides of the magnet ring.
  • the method before the elastic ring on the shoulder sleeves on both sides of the magnet ring mounting position, the method further includes:
  • the method before the elastic ring on the shoulder sleeves on both sides of the magnet ring mounting position, the method further includes:
  • a thread is provided on the magnet ring mounting position.
  • the elastic ring includes a rubber ring.
  • the present application provides a motor rotor including a shaft center, a magnet ring, and a balance ring, the shaft center including a magnet ring mounting position and a shoulder disposed at both ends of the magnet mounting position And further comprising at least two elastic rings, the elastic rings are respectively sleeved on the shoulder, the magnet ring is disposed on the magnet ring mounting position and presses the elastic ring, and the balance ring is sleeved On the axis and respectively disposed at both ends of the magnet ring.
  • a groove is provided in the magnet ring mounting position.
  • the magnet ring is provided with a thread on the mounting position.
  • the elastic ring includes a rubber ring.
  • the magnet ring is bonded to the magnet ring mounting position by glue.
  • the present application provides a motor including the above-described motor rotor.
  • the elastic ring is first placed on the shoulder sleeves on both sides of the magnet ring mounting position, and then the magnet ring is sleeved on the magnet ring mounting position, and the magnet ring and the shaft are compressed tightly.
  • the ring due to the elastic force of the elastic ring, offsets the radial suction of the magnet ring so that the magnet ring cannot move in the radial direction, and the deviation of the concentricity between the magnet ring and the axis is small, that is, the center is aligned, and the concentricity is reduced.
  • the deviation of the degree improves the stability of the motor turning.
  • FIG. 1 is a flow chart of a method of the present application in an embodiment
  • FIG. 2 is a schematic structural view of a rotor of the present application in an embodiment
  • FIG. 3 is a cross-sectional view of the motor of the present application in an embodiment.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • an embodiment of a motor assembly method of the present application includes a rotor assembly process, and the rotor assembly process includes the following steps:
  • Step 102 Apply an elastic ring on the shoulder sleeves on both sides of the magnet ring mounting position.
  • the elastic ring comprises a rubber ring.
  • Step 104 The magnet ring is placed on the magnet ring mounting position, and the magnet ring is pressed against the elastic ring.
  • Step 106 Install a balance ring on each side of the magnet ring.
  • the method may further include:
  • Step 101 Apply glue to the magnet ring mounting position.
  • the method may further include:
  • a groove such as a thread or the like, is provided on the magnet ring mounting position.
  • a specific application example of the rotor assembly process in the motor assembly method of the present application includes the following steps: [0039] Step 202: Apply glue to the threads of the shaft center.
  • the thread is disposed on the magnet ring mounting position for increasing the contact area of the magnet ring with the shaft center, thereby increasing the adhesion.
  • Step 204 Insert two elastic rings into the shoulder of the shaft.
  • the inner diameter of the magnet ring is 5.00 mm
  • the outer diameter of the magnet ring mounting position of the shaft center is 4.80 mm
  • the outer diameter of the axial portion at the intersection of the magnet ring mounting position and the magnet ring mounting position is 4.2 mm, therefore, a shoulder is formed at both ends of the magnet ring mounting position.
  • Step 206 Insert the magnet ring into the magnet ring mounting position of the shaft center.
  • the elastic force of the elastic ring plays a major role in the radial relative position of the fixed magnet ring and the axis, so that the concentricity error between the axis and the magnet ring is small, less than 0.1 mm.
  • Step 208 The two balance rings are sleeved on the shaft center and located at both end faces of the magnet ring.
  • the gimbal is a copper ring that is used to secure the magnet ring and the elastomeric ring to prevent axial movement of the magnet ring and the elastomeric ring over the axis.
  • Step 210 After the assembly is completed, the glue is solidified to fix the positions of the parts.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1
  • an embodiment of the motor rotor of the present application includes a shaft center 1, a magnet ring 4, a balance ring 2 and an elastic ring 3, and the shaft center 1 includes a magnet ring mounting position 11 And a shoulder 12, the shoulder 12 is disposed at both ends of the magnet ring mounting position 11, and the magnet ring mounting position 11 is for mounting the magnet ring 4, which is cylindrical, and the diameter of the cylinder is larger than other parts of the shaft 1 12 is set at the ends of the magnet mounting position 11, the elastic ring 3 to There are two, the elastic ring 3 is sleeved on the shoulder 12 respectively, the magnet ring 4 is arranged on the magnet ring mounting position 11 and presses the elastic ring 3, the inner diameter of the elastic ring 3 is smaller than the outer diameter of the shoulder 12, and the elasticity The outer diameter of the ring 3 is larger than the inner diameter of the magnet ring 4, and the balance ring 4 is sleeved on the shaft center 1.
  • the balance ring 4 is respectively
  • the magnet ring 4 can be bonded to the magnet ring mounting position 11 by glue. When the glue solidifies, the magnet ring 4 and the magnet ring mounting position 11 are relatively fixed.
  • the magnet ring 4 is provided with a groove in the mounting position.
  • a thread 5 can be provided on the magnet ring mounting location 11.
  • the elastic ring 3 is a flexible ring body and may include a rubber ring.
  • the motor of the application comprises a motor rotor including a shaft center 1, a magnet ring 4, a balance ring 2 and an elastic ring 3, and the shaft center 1 includes a magnet a ring mounting position 11 and a shoulder 12, the shoulder 12 is disposed at both ends of the magnet ring mounting position 11, and the magnet ring mounting position 11 is for mounting the magnet ring 4, which is cylindrical, and the diameter of the cylinder is larger than the other of the shaft 1
  • the position, the shoulder 12 is disposed at the two ends of the magnet mounting position 11, and the elastic ring 3 is at least two, and the elastic ring 3 is respectively sleeved on the shoulder 12, and the magnet ring 4 is disposed on the magnet ring mounting position 11 and presses the elastic ring.
  • the inner diameter of the elastic ring 3 is smaller than the outer diameter of the shoulder 12
  • the outer diameter of the elastic ring 3 is larger than the inner diameter of the magnet ring 4
  • the balance ring 4 is sleeved on the shaft 1
  • the balance ring 4 is respectively disposed on the magnet ring 4.
  • the magnet ring 4 is prevented from moving in the axial direction on the axis 1.
  • the magnet ring 4 can be bonded to the magnet ring mounting position 11 by glue. When the glue solidifies, the magnet ring 4 and the magnet ring mounting position 11 are relatively fixed.
  • the magnet ring 4 is provided with a groove in the mounting position.
  • a thread 5 can be provided on the magnet ring mounting location 11.
  • the elastic ring 3 is a flexible ring body and may include a rubber ring.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

一种马达转子和马达及马达组装方法,马达组装方法包括转子组装过程,所述转子组装过程包括:先在磁石环安装位(11)两侧的轴肩(12)套上弹性圈(3)(102);再将磁石环(4)套在所述磁石环安装位(11)上,并使所述磁石环(4)压住所述弹性圈(3)(104);在所述磁石环(4)两侧分别安装平衡环(2)(106)。由于弹性圈(3)的弹力作用,抵消了磁石环(4)径向的吸力使磁石环(4)在径向无法移动,并能做到磁石环(4)与轴心(1)的同心度偏差小,即中心对位,减小了同心度的偏差,提高了马达转动时的稳定性。

Description

马达组装方法、 马达转子和马达 技术领域
[0001] 本申请涉及马达生产领域, 尤其涉及一种马达组装方法、 马达转子和马达。
[0002] 背景技术
[0003] 现有的马达在组装吋, 需将磁石环套在轴心的磁石环安装位上, 为了保证磁石 环能套在轴心上的磁石环安装位上, 磁石环的内径必须稍大于磁石环安装位处 的外径, 即磁石环与磁石环安装位之间有间隙。 在磁石环和轴心的组装过程中 , 一般采用胶合的方法, 如使用 602胶水填满上述间隙, 虽然这种间隙可设计到 很小, 但因为需要安装, 并不能做到过盈配合。 但在生产过程中, 轴心受到磁 力影响, 必然会偏离至某个方向, 使得轴心与磁石的同心度增大, 其增量为间 隙的径向宽度, 同吋因为轴心与磁石的同心度增大导致马达轴难平衡, 造成马 达转动吋不稳定。 现有技术为了减小磁石环与磁石环安装位之间的间隙, 在马 达转子组装过程中, 先在磁石环安装位两端的轴肩上贴一定厚度的胶纸。 但是 , 每个轴心上的磁石环安装位处的外径和磁石环的内径大小不尽相同, 所以无 法在确定每一个马达应该贴的胶纸的厚度, 因此, 不能从根本上解决问题。
[0004] 发明内容
[0005] 本申请提供一种马达组装方法、 马达转子和马达。
[0006] 根据本申请的第一方面, 本申请提供一种马达组装方法, 包括转子组装过程, 所述转子组装过程包括:
[0007] 在磁石环安装位两侧的轴肩套上弹性圈;
[0008] 将所述磁石环套在所述磁石环安装位上, 并使所述磁石环压住所述弹性圈; [0009] 在所述磁石环两侧分别安装平衡环。
[0010] 上述方法, 所述在磁石环安装位两侧的轴肩套上弹性圈前, 还包括:
[0011] 在所述磁石环安装位上涂抹胶水。
[0012] 上述方法, 所述在磁石环安装位两侧的轴肩套上弹性圈前, 还包括:
[0013] 在所述磁石环安装位上设置螺纹。 [0014] 上述方法, 所述弹性圈包括橡胶圈。
[0015] 根据本申请的第二方面, 本申请提供一种马达转子, 包括轴心、 磁石环和平衡 环, 所述轴心包括磁石环安装位和设置在所述磁石安装位两端的轴肩, 还包括 至少两个弹性圈, 所述弹性圈分别套设在所述轴肩上, 所述磁石环设在所述磁 石环安装位上且压住所述弹性圈, 所述平衡环套设在所述轴心上且分别设置在 所述磁石环的两端。
[0016] 上述马达转子, 所述磁石环安装位上设有沟槽。
[0017] 上述马达转子, 所述磁石环安装位上设有螺纹。
[0018] 上述马达转子, 所述弹性圈包括橡胶圈。
[0019] 上述马达转子, 所述磁石环通过胶水与所述磁石环安装位粘接。
[0020] 根据本申请的第三方面, 本申请提供一种马达, 包括上述马达转子。
[0021] 由于采用了以上技术方案, 使本申请具备的有益效果在于:
[0022] 在本申请的具体实施方式中, 先在磁石环安装位两侧的轴肩套上弹性圈, 再将 磁石环套在磁石环安装位上, 并使磁石环与轴心压紧弹性圈, 由于弹性圈的弹 力作用, 抵消了磁石环径向的吸力使磁石环在径向无法移动, 并能做到磁石环 与轴心的同心度偏差小, 即中心对位, 减小了同心度的偏差, 提高了马达转动 吋的稳定性。
[0023] 附图说明
[0024] 图 1为本申请的方法在一种实施方式中的流程图;
[0025] 图 2为本申请转子在一种实施方式中的结构示意图;
[0026] 图 3为本申请的马达在一种实施方式中的剖示图。
[0027] 具体实施方式
[0028] 下面通过具体实施方式结合附图对本申请作进一步详细说明。
[0029] 实施例一:
[0030] 如图 1所示, 本申请的马达组装方法, 其一种实施方式, 包括转子组装过程, 该转子组装过程包括以下步骤:
[0031] 步骤 102: 在磁石环安装位两侧的轴肩套上弹性圈。 在一种实施方式中, 弹性 圈包括橡胶圈。 [0032] 步骤 104: 将磁石环套在磁石环安装位上, 并使磁石环压住弹性圈。
[0033] 步骤 106: 在所述磁石环两侧分别安装平衡环。
[0034] 其中步骤 102前, 还可以包括:
[0035] 步骤 101 : 在磁石环安装位上涂抹胶水。
[0036] 在一种实施方式中, 步骤 101前还可以包括:
[0037] 在磁石环安装位上设置沟槽, 如螺纹等。
[0038] 本申请的马达组装方法中的转子组装过程, 其一种具体应用例, 包括以下步骤 [0039] 步骤 202: 在轴心的螺纹上涂抹胶水。
[0040] 螺纹设置在磁石环安装位上, 用于增加磁石环与轴心的接触面积, 从而增大粘 合力。
[0041] 步骤 204: 将两个弹性圈套入轴心的轴肩处.
[0042] 本例中,磁石环的内径为 5.00mm, 轴心的磁石环安装位的外径为 4.80mm, 而磁 石环安装位两端与磁石环安装位交接处的轴心部分的外径 4.2 mm, 因此, 磁石 环安装位两端形成一轴肩。
[0043] 步骤 206: 将磁石环套入轴心的磁石环安装位。 弹性圈的弹力对于固定磁石环 与轴心的径向相对位置起主要作用,从而使轴心与磁石环的同心度误差很小, 小 于 0.1mm。
[0044] 步骤 208: 将两个平衡环套在轴心上, 且位于磁石环两个端面。 在一种实施方 式中, 该平衡环为铜环, 平衡环用于固定磁石环和弹性圈, 防止磁石环和弹性 圈在轴心上延轴向移动。
[0045] 步骤 210: 组装完成后,胶水凝固,使各部分位置固定。
[0046] 整个组装过程需在胶水凝固前完成,以排除人为碰撞对位置造成偏差。
[0047] 实施例二:
[0048] 如图 2、 图 3所示, 本申请的马达转子, 其一种实施方式, 包括轴心 1、 磁石环 4 、 平衡环 2和弹性圈 3, 轴心 1包括磁石环安装位 11和轴肩 12, 轴肩 12设置在磁石 环安装位 11的两端, 磁石环安装位 11用于安装磁石环 4, 为圆柱体形, 该圆柱体 形的直径大于轴心 1的其他部位, 轴肩 12设置在磁石安装位 11两端, 弹性圈 3至 少有两个, 弹性圈 3分别套设在轴肩 12上, 磁石环 4设在磁石环安装位 11上且压 住弹性圈 3, 弹性圈 3的内径小于轴肩 12处的外径, 弹性圈 3的外径大于磁石环 4 的内径, 平衡环 4套设在轴心 1上, 平衡环 4分别设置在磁石环 4的两端, 防止磁 石环 4延其轴向在轴心 1上移动。
[0049] 磁石环 4可通过胶水与磁石环安装位 11粘接。 当胶水凝固, 磁石环 4和磁石环安 装位 11相对位置固定。 在一种实施方式中, 磁石环 4安装位上设有沟槽。 在另一 种实施方式中, 可在磁石环安装位 11上设有螺纹 5。 弹性圈 3为有弹性的圈体, 可以包括橡胶圈。
[0050] 实施例三:
[0051] 申请的马达, 其一种实施方式, 如图 2、 图 3所示, 包括马达转子, 马达转子包 括轴心 1、 磁石环 4、 平衡环 2和弹性圈 3, 轴心 1包括磁石环安装位 11和轴肩 12, 轴肩 12设置在磁石环安装位 11的两端, 磁石环安装位 11用于安装磁石环 4, 为圆 柱体形, 该圆柱体形的直径大于轴心 1的其他部位, 轴肩 12设置在磁石安装位 11 两端, 弹性圈 3至少有两个, 弹性圈 3分别套设在轴肩 12上, 磁石环 4设在磁石环 安装位 11上且压住弹性圈 3, 弹性圈 3的内径小于轴肩 12处的外径, 弹性圈 3的外 径大于磁石环 4的内径, 平衡环 4套设在轴心 1上, 平衡环 4分别设置在磁石环 4的 两端, 防止磁石环 4延其轴向在轴心 1上移动。
[0052] 磁石环 4可通过胶水与磁石环安装位 11粘接。 当胶水凝固, 磁石环 4和磁石环安 装位 11相对位置固定。 在一种实施方式中, 磁石环 4安装位上设有沟槽。 在另一 种实施方式中, 可在磁石环安装位 11上设有螺纹 5。 弹性圈 3为有弹性的圈体, 可以包括橡胶圈。
[0053] 以上内容是结合具体的实施方式对本发明所作的进一步详细说明, 不能认定本 发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通技术人员 来说, 在不脱离本发明构思的前提下, 还可以做出若干简单推演或替换。
技术问题
问题的解决方案
发明的有益效果

Claims

权利要求书
一种马达组装方法, 包括转子组装过程, 其特征在于, 所述转子组装 过程包括:
在磁石环安装位两侧的轴肩套上弹性圈;
将所述磁石环套在所述磁石环安装位上, 并使所述磁石环压住所述弹 性圈;
在所述磁石环两侧分别安装平衡环。
如权利要求 1所述的马达组装方法, 其特征在于, 所述在磁石环安装 位两侧的轴肩套上弹性圈前, 还包括:
在所述磁石环安装位上涂抹胶水。
如权利要求 2所述的马达组装方法, 其特征在于, 所述在磁石环安装 位两侧的轴肩套上弹性圈前, 还包括:
在所述磁石环安装位上设置螺纹。
如权利要求 1所述的马达组装方法, 其特征在于, 所述弹性圈包括橡 胶圈。
一种马达转子, 包括轴心、 磁石环和平衡环, 所述轴心包括磁石环安 装位和设置在所述磁石安装位两端的轴肩, 其特征在于, 还包括至少 两个弹性圈, 所述弹性圈分别套设在所述轴肩上, 所述磁石环设在所 述磁石环安装位上且压住所述弹性圈, 所述平衡环套设在所述轴心上 且分别设置在所述磁石环的两端。
如权利要求 5所述的马达转子, 其特征在于, 所述磁石环安装位上设 有沟槽。
如权利要求 6所述的马达转子, 其特征在于, 所述磁石环安装位上设 有螺纹。
如权利要求 5所述的马达转子, 其特征在于, 所述弹性圈包括橡胶圈
如权利要求 5所述的马达转子, 其特征在于, 所述磁石环通过胶水与 所述磁石环安装位粘接。 [权利要求 10] —种马达, 其特征在于, 包括如权利要求 5至 9中任一项所述的马达转 子。
PCT/CN2016/089981 2015-07-28 2016-07-14 马达组装方法、马达转子和马达 WO2017016394A1 (zh)

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