WO2015165204A1 - 一种电机转子组件及其应用的电机 - Google Patents

一种电机转子组件及其应用的电机 Download PDF

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Publication number
WO2015165204A1
WO2015165204A1 PCT/CN2014/087343 CN2014087343W WO2015165204A1 WO 2015165204 A1 WO2015165204 A1 WO 2015165204A1 CN 2014087343 W CN2014087343 W CN 2014087343W WO 2015165204 A1 WO2015165204 A1 WO 2015165204A1
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WIPO (PCT)
Prior art keywords
rotor core
rotor assembly
motor
rotor
end plates
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PCT/CN2014/087343
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English (en)
French (fr)
Inventor
于跃强
陈始坤
曾建华
邱艳丽
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中山大洋电机股份有限公司
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Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Priority to US14/838,388 priority Critical patent/US9866081B2/en
Publication of WO2015165204A1 publication Critical patent/WO2015165204A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2786—Outer rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/16—Centering rotors within the stator; Balancing rotors
    • H02K15/165—Balancing the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/083—Structural association with bearings radially supporting the rotary shaft at both ends of the rotor

Definitions

  • the utility model relates to an electric motor rotor assembly and an electric motor thereof.
  • the existing motor rotor assembly includes a rotor core and end plates mounted at both ends of the rotor core, and a plurality of grooves are formed on an outer edge of the top surface of the end plate, and a weighting material is installed in the groove for correcting dynamic balance of the rotor
  • a weighting material is installed in the groove for correcting dynamic balance of the rotor
  • the object of the present invention is to provide a motor rotor assembly and a motor for the same, which has a simple rotor structure and can be used to fasten the weighting material in the groove by using a soldering iron to melt the top of the stud into a mushroom-shaped inverted structure.
  • the inside is firm and reliable, and effectively prevents the weighting material from falling off from the inside of the groove.
  • the motor has a simple structure, is firm and reliable, and has high safety performance.
  • An electric motor rotor assembly comprises a rotor core, a plurality of permanent magnets and an end plate, a plurality of permanent magnets are mounted on the rotor core, and the end plates are respectively mounted on both end faces of the rotor core, and are disposed on the outer edge of the top surface of the end plate There are a plurality of grooves characterized in that a plurality of studs protrude from the bottom wall of the groove.
  • the bottom wall of the groove described above is provided with a plurality of bosses.
  • end plates, studs and bosses described above are integrally injection molded.
  • the rotor core described above is provided with a plurality of through holes, and is installed in the through holes in the connecting columns, and the connecting columns connect the end plates at both ends of the rotor core.
  • the two end plates, the connecting post and the rotor core described above are injection-molded together, and the rotor core is provided with a plurality of arc-shaped mounting grooves, and the arc-shaped permanent magnets are embedded in the mounting grooves.
  • a motor includes a rotating shaft, a rotor assembly, a stator assembly, a casing and an end cover.
  • the rotor assembly is mounted on the rotating shaft, and the stator assembly and the casing are connected together and nested outside the rotor assembly, and the end cover is installed at both ends of the casing.
  • the rotating shaft is supported on the bearing of the two end covers
  • the rotor assembly comprises a rotor core, a plurality of permanent magnets and an end plate, a plurality of permanent magnets are mounted on the rotor core, and the end plates are respectively mounted on the two end faces of the rotor core,
  • the outer edge of the top surface of the end plate is provided with a plurality of grooves, characterized in that a plurality of protrusions protrude from the bottom wall of the groove.
  • the bottom wall of the groove described above is provided with a plurality of bosses.
  • end plates, studs and bosses described above are integrally injection molded.
  • the rotor core described above is provided with a plurality of through holes, and is installed in the through holes in the connecting columns, and the connecting columns connect the end plates at both ends of the rotor core.
  • the two end plates, the connecting post and the rotor core described above are injection-molded together, and the rotor core is provided with a plurality of arc-shaped mounting grooves, and the arc-shaped permanent magnets are embedded in the mounting grooves.
  • the utility model has the following effects: 1) the rotor of the motor has a simple structure, and the weighting material can be fastened in the groove by using a soldering iron to melt the top of the protruding column into a mushroom-shaped inverted structure.
  • Figure 1 is a perspective view of the utility model
  • Figure 2 is a plan view of the utility model
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 4 is a front view of the utility model
  • Figure 5 is a cross-sectional view taken along line B-B of Figure 4.
  • Figure 6 is a perspective view of the motor of the present invention.
  • Figure 7 is a schematic view showing the structure of the motor of the present invention.
  • Embodiment 1 As shown in FIG. 1 , FIG. 2 , FIG. 3 , FIG. 4 and FIG. 5 , the utility model relates to an electric motor rotor assembly, which comprises a rotor core 1 , a plurality of permanent magnets 2 and end plates 3 , and a plurality of permanent magnets.
  • the end plates 3 are respectively mounted on both end faces of the rotor core 1, and a plurality of grooves 31 are provided on the outer edge of the top surface of the end plate 3, and projecting on the bottom wall of the groove 31
  • a plurality of bosses 33 are provided on the bottom wall of the recess 31.
  • the end plate 3, the stud 32 and the boss 33 are integrally injection molded.
  • a plurality of through holes 11 are provided in the rotor core 1, and the connecting posts 4 are mounted in the through holes 11, and the connecting posts 4 connect the end plates 3 at both ends of the rotor core 1 together.
  • the two end plates 3, the connecting post 4 and the rotor core 1 are injection-molded together, and the rotor core 1 is provided with a plurality of arc-shaped mounting grooves 12 into which the arc-shaped permanent magnets 2 are embedded.
  • the principle of the utility model is that a plurality of grooves 31 are arranged on the outer edge of the top surface of the end plate 3, and a plurality of protrusions 32 are protruded on the bottom wall of the groove 31, and the top of the column 32 can be melted by using a soldering iron.
  • the mushroom-shaped inverted buckle structure fastens the weighting material in the groove, which is firm and reliable, and effectively prevents the weighting material from falling off from the groove.
  • Embodiment 2 As shown in FIG. 1 to FIG. 7 , the utility model relates to an electric motor, comprising a rotating shaft 5, a rotor assembly 6, a stator assembly 7, a casing 8 and an end cover 9.
  • the rotor assembly 6 is mounted on the rotating shaft 5,
  • the stator assembly 7 is coupled to the casing 8 and nested outside the rotor assembly 6,
  • the end cover 9 is mounted at both ends of the casing 8, and the rotating shaft 5 is supported on the bearings of the end covers 9,
  • the rotor assembly 6 including the rotor iron a core 1, a plurality of permanent magnets 2 and an end plate 3, a plurality of permanent magnets 2 are mounted on the rotor core 1, and end plates 3 are respectively mounted on both end faces of the rotor core 1, and are disposed on the outer edges of the top surfaces of the end plates 3
  • a plurality of grooves 31 projecting a plurality of studs 32 on the bottom wall of the recess 31.
  • a plurality of bosses 33 are provided on the bottom wall of the recess 31.
  • the end plate 3, the stud 32 and the boss 33 are integrally injection molded.
  • a plurality of through holes 11 are provided in the rotor core 1, and the connecting posts 4 are mounted in the through holes 11, and the connecting posts 4 connect the end plates 3 at both ends of the rotor core 1 together.
  • the two end plates 3, the connecting post 4 and the rotor core 1 are injection-molded together, and the rotor core 1 is provided with a plurality of arc-shaped mounting grooves 12 into which the arc-shaped permanent magnets 2 are embedded.
  • the principle of the utility model is that a plurality of grooves 31 are arranged on the outer edge of the top surface of the end plate 3, A plurality of protrusions 32 are protruded from the bottom wall of the groove 31, and the weighting material can be fastened and secured in the groove by melting the top of the column 32 into a mushroom-shaped inverted structure by using a soldering iron, thereby effectively preventing the weighting material.
  • the motor is detached from the inside of the groove, and the motor has a simple structure, is firm and reliable, and has high safety performance.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

一种电机转子组件及其应用的电机，该转子组件包括转子铁芯（1）、若干永磁体（2）和端板（3），若干永磁体（2）安装转子铁芯（1）上，端板分别安装在转子铁芯（1）的两端面上，在端板（3）顶面的外侧边缘上设置有若干凹槽（31），在凹槽（31）的底壁上伸出若干凸柱（32），该结构简单，可以通过使用烙铁把凸柱（32）的顶部熔化成蘑菇头状的倒扣结构把加重材料紧固在凹槽（31）里面，有效防止加重材料从凹槽（31）里面脱落。

Description

一种电机转子组件及其应用的电机 技术领域：
本实用新型涉及一种电机转子组件及其应用的电机。
背景技术：
现有的电机转子组件包括转子铁芯和安装在转子铁芯两端的端板，在端板顶面的外侧边缘上开设有若干凹槽，在凹槽里面安装加重材料用于转子的校正动平衡，但是这种电机转子结构存在如下几个问题：1)在电机转子高速运行的过程中，由于凹槽没有任何紧固加重材料的结构，加重材料容易从凹槽里面脱落，严重影响电机的正常运行，存在较大的安全风险；2)安装在凹槽里面的加重材料与凹槽之间的接触面积小，两者安装结合不够牢固，容易松脱。
发明内容：
本实用新型的目的是提供一种电机转子组件及其应用的电机，该电机转子结构简单，可以通过使用烙铁把凸柱的顶部熔化成蘑菇头状的倒扣结构把加重材料紧固在凹槽里面，牢固可靠，有效防止加重材料从凹槽里面脱落，该电机结构简单，牢固可靠，安全性能高。
本实用新型的目的是通过下述技术方案予以实现的。
一种电机转子组件，包括转子铁芯、若干永磁体和端板，若干永磁体安装转子铁芯上，端板分别安装在转子铁芯的两端面上，在端板顶面的外侧边缘上设置有若干凹槽，其特征在于：在凹槽的底壁上伸出若干凸柱。
上述所述的凹槽的底壁上设置有若干凸台。
上述所述的端板、凸柱和凸台是一体注塑成型的。
上述所述的转子铁芯上设置有若干通孔，在通孔里面安装在连接柱，连接柱把转子铁芯两端的端板连接在一起。
上述所述的两端板、连接柱和转子铁芯是注塑安装在一起的，转子铁芯上设置有若干弧形的安装槽，弧形的永磁体嵌入到安装槽里面。
一种电机，包括转轴、转子组件、定子组件、机壳和端盖，转子组件安装在转轴上，定子组件与机壳连接在一起嵌套在转子组件外面，端盖安装在机壳两端，转轴支承在两端盖的轴承上，所述的转子组件包括转子铁芯、若干永磁体和端板，若干永磁体安装转子铁芯上，端板分别安装在转子铁芯的两端面上，在端板顶面的外侧边缘上设置有若干凹槽，其特征在于：在凹槽的底壁上伸出若干凸柱。
上述所述的凹槽的底壁上设置有若干凸台。
上述所述的端板、凸柱和凸台是一体注塑成型的。
上述所述的转子铁芯上设置有若干通孔，在通孔里面安装在连接柱，连接柱把转子铁芯两端的端板连接在一起。
上述所述的两端板、连接柱和转子铁芯是注塑安装在一起的，转子铁芯上设置有若干弧形的安装槽，弧形的永磁体嵌入到安装槽里面。
本实用新型与现有技术相比，具有如下效果：1)该电机转子结构简单，可以通过使用烙铁把凸柱的顶部熔化成蘑菇头状的倒扣结构把加重材料紧固在凹槽里面，牢固可靠，有效防止加重材料从凹槽里面脱落；2)凹槽的底壁上设置有若干凸台，可以增加加重材料与凹槽之间的接触面积，使加重材料安装更加牢固可靠；3)端板、凸柱和凸台是一体注塑成型的，生产工艺简单，成本低，便于推广使用；4)该电机结构简单，牢固可靠，安全性能高。
附图说明：
图1是本实用新型的立体图；
图2是本实用新型的俯视图；
图3是图2中A-A剖视图；
图4是本实用新型的前视图；
图5是图4中B-B剖视图；
图6是本实用新型电机的立体图；
图7是本实用新型电机的结构示意图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一：如图1、图2、图3、图4和图5所示，本实用新型是一种电机转子组件，包括转子铁芯1、若干永磁体2和端板3，若干永磁体2安装转子铁芯1上，端板3分别安装在转子铁芯1的两端面上，在端板3顶面的外侧边缘上设置有若干凹槽31，在凹槽31的底壁上伸出若干凸柱32。在凹槽31的底壁上设置有若干凸台33。端板3、凸柱32和凸台33是一体注塑成型的。在转子铁芯1上设置有若干通孔11，在通孔11里面安装在连接柱4，连接柱4把转子铁芯1两端的端板3连接在一起。两端板3、连接柱4和转子铁芯1是注塑安装在一起的，转子铁芯1上设置有若干弧形的安装槽12，弧形的永磁体2嵌入到安装槽12里面。
本实用新型的原理是：在端板3顶面的外侧边缘上设置有若干凹槽31，在凹槽31的底壁上伸出若干凸柱32，可以通过使用烙铁把凸柱32的顶部熔化成蘑菇头状的倒扣结构把加重材料紧固在凹槽里面，牢固可靠，有效防止加重材料从凹槽里面脱落。
实施例二：如图1至图7所示，本实用新型是一种电机，包括转轴5、转子组件6、定子组件7、机壳8和端盖9，转子组件6安装在转轴5上，定子组件7与机壳8连接在一起嵌套在转子组件6外面，端盖9安装在机壳8两端，转轴5支承在两端盖9的轴承上，所述的转子组件6包括转子铁芯1、若干永磁体2和端板3，若干永磁体2安装转子铁芯1上，端板3分别安装在转子铁芯1的两端面上，在端板3顶面的外侧边缘上设置有若干凹槽31，在凹槽31的底壁上伸出若干凸柱32。在凹槽31的底壁上设置有若干凸台33。端板3、凸柱32和凸台33是一体注塑成型的。在转子铁芯1上设置有若干通孔11，在通孔11里面安装在连接柱4，连接柱4把转子铁芯1两端的端板3连接在一起。两端板3、连接柱4和转子铁芯1是注塑安装在一起的，转子铁芯1上设置有若干弧形的安装槽12，弧形的永磁体2嵌入到安装槽12里面。
本实用新型的原理是：在端板3顶面的外侧边缘上设置有若干凹槽31，在 凹槽31的底壁上伸出若干凸柱32，可以通过使用烙铁把凸柱32的顶部熔化成蘑菇头状的倒扣结构把加重材料紧固在凹槽里面，牢固可靠，有效防止加重材料从凹槽里面脱落，该电机结构简单，牢固可靠，安全性能高。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内。

Claims (10)

  1. 一种电机转子组件，包括转子铁芯(1)、若干永磁体(2)和端板(3)，若干永磁体(2)安装转子铁芯(1)上，端板(3)分别安装在转子铁芯(1)的两端面上，在端板(3)顶面的外侧边缘上设置有若干凹槽(31)，其特征在于：在凹槽(31)的底壁上伸出若干凸柱(32)。
  2. 根据权利要求1所述的一种电机转子组件，其特征在于：在凹槽(31)的底壁上设置有若干凸台(33)。
  3. 根据权利要求2所述的一种电机转子组件，其特征在于：端板(3)、凸柱(32)和凸台(33)是一体注塑成型的。
  4. 根据权利要求1或2或3所述的一种电机转子组件，其特征在于：在转子铁芯(1)上设置有若干通孔(11)，在通孔(11)里面安装在连接柱(4)，连接柱(4)把转子铁芯(1)两端的端板(3)连接在一起。
  5. 根据权利要求4所述的一种电机转子组件，其特征在于：两端板(3)、连接柱(4)和转子铁芯(1)是注塑安装在一起的，转子铁芯(1)上设置有若干弧形的安装槽(12)，弧形的永磁体(2)嵌入到安装槽(12)里面。
  6. 一种应用权利要求1至5所述的任何一项电机转子组件的电机，包括转轴(5)、转子组件(6)、定子组件(7)、机壳(8)和端盖(9)，转子组件(6)安装在转轴(5)上，定子组件(7)与机壳(8)连接在一起嵌套在转子组件(6)外面，端盖(9)安装在机壳(8)两端，转轴(5)支承在两端盖(9)的轴承上，所述的转子组件(6)包括转子铁芯(1)、若干永磁体(2)和端板(3)，若干永磁体(2)安装转子铁芯(1)上，端板(3)分别安装在转子铁芯(1)的两端面上，在端板(3)顶面的外侧边缘上设置有若干凹槽(31)，其特征在于：在凹槽(31)的底壁上伸出若干凸柱(32)。
  7. 根据权利要求6所述的一种电机，其特征在于：在凹槽(31)的底壁上设置有若干凸台(33)。
  8. 根据权利要求7所述的一种电机转子组件，其特征在于：端板(3)、凸 柱(32)和凸台(33)是一体注塑成型的。
  9. 根据权利要求6或7或8所述的一种电机转子组件，其特征在于：在转子铁芯(1)上设置有若干通孔(11)，在通孔(11)里面安装在连接柱(4)，连接柱(4)把转子铁芯(1)两端的端板(3)连接在一起。
  10. 根据权利要求9所述的一种电机转子组件，其特征在于：两端板(3)、连接柱(4)和转子铁芯(1)是注塑安装在一起的，转子铁芯(1)上设置有若干弧形的安装槽(12)，弧形的永磁体(2)嵌入到安装槽(12)里面。
PCT/CN2014/087343 2014-04-30 2014-09-24 一种电机转子组件及其应用的电机 WO2015165204A1 (zh)

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CN106787303B (zh) * 2016-12-23 2024-01-05 威灵（芜湖）电机制造有限公司 转子组件和具有其的直流电机
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