JP3482366B2 - Rotor core and method and apparatus for manufacturing the same - Google Patents
Rotor core and method and apparatus for manufacturing the sameInfo
- Publication number
- JP3482366B2 JP3482366B2 JP35552499A JP35552499A JP3482366B2 JP 3482366 B2 JP3482366 B2 JP 3482366B2 JP 35552499 A JP35552499 A JP 35552499A JP 35552499 A JP35552499 A JP 35552499A JP 3482366 B2 JP3482366 B2 JP 3482366B2
- Authority
- JP
- Japan
- Prior art keywords
- shaped magnetic
- plate
- magnetic member
- rolling direction
- balancing hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、圧延方向に延在
する帯状磁性部材を圧延方向に順次打ち抜き加工し、円
形状に形成される多数の板状磁性部材を積層して一体化
される回転子鉄心並びにその製造方法および製造装置に
係り、特にバランス調整の容易化に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotary unit in which a strip-shaped magnetic member extending in the rolling direction is sequentially punched in the rolling direction, and a large number of circular plate-shaped magnetic members are laminated and integrated. The present invention relates to a child iron core, a manufacturing method and a manufacturing apparatus therefor, and particularly to facilitating balance adjustment.
【０００２】[0002]
【従来の技術】この種の従来の回転子鉄心は、例えば特
開平９−１６３６４４号公報に示されるように、板面に
バランス用穴が周方向に複数個形成された板状磁性部材
を、積層される板状磁性部材の積層方向両端部に配置す
るとともに、このバランス用穴にパテを貼着することに
より、ウェイトの不足分を補いバランスの調整を行うよ
うにしている。2. Description of the Related Art A conventional rotor iron core of this type includes a plate-shaped magnetic member having a plurality of balancing holes formed in the plate surface in the circumferential direction, as disclosed in, for example, Japanese Unexamined Patent Publication No. 9-163644. The balance is adjusted by arranging the plate-like magnetic members to be laminated at both ends in the laminating direction and attaching putties to the balancing holes to compensate for the insufficient weight.
【０００３】[0003]
【発明が解決しようとする課題】従来の回転子鉄心は以
上のように、積層される板状磁性部材の積層方向両端部
に、板面にバランス用穴が周方向に複数個形成された板
状磁性部材を配置し、このバランス用穴にパテを貼着す
ることにより、ウェイトの不足分を補ってバランスの調
整を行うようにしているので、バランシングマシンに回
転子鉄心を取り付け、このバランシングマシンを動作さ
せてアンバランスの量と位置を検出しながらパテを貼着
しなければならず、調整に手間がかかるという問題点が
あった。As described above, the conventional rotor iron core is a plate in which a plurality of balancing holes are circumferentially formed in the plate surface at both ends in the stacking direction of the plate-like magnetic members to be stacked. -Shaped magnetic members are placed and putty is attached to the balancing holes to compensate for the shortage of weights and adjust the balance. There is a problem in that the putty must be attached while operating the to detect the amount and position of the imbalance, and it takes time to adjust.
【０００４】この発明は上記のような問題点を解消する
ためになされたもので、パテの貼着等を施すことなく容
易にバランスの調整が可能な回転子鉄心並びにその製造
方法および製造装置を提供することを目的とするもので
ある。The present invention has been made in order to solve the above problems, and provides a rotor core, a manufacturing method and a manufacturing apparatus therefor of which balance can be easily adjusted without attaching putty or the like. It is intended to be provided.
【０００５】[0005]
【課題を解決するための手段】この発明の請求項１に係
る回転子鉄心は、圧延方向に延在する帯状磁性部材を 圧
延方向に順次打ち抜き加工することにより円形状に形成
される多数の板状磁性部材を積層して一体化された回転
子鉄心において、板状磁性部材は、その中心から圧延方
向とほぼ直角の位置で且つ板厚の大きい側の部位に所定
の大きさを有するバランス用穴が形成されたものを所定
の間隔を介して配置するようにしたものである。 According to claim 1 of the present invention
That the rotor core is pressure the strip magnetic member extending in the rolling direction
Formed in a circular shape by sequentially punching in the extending direction
Rotation integrated by laminating many plate-shaped magnetic members
In the child iron core, the plate-shaped magnetic member is rolled from the center
Specified at a position approximately perpendicular to the direction and on the thicker side
Specified with a balancing hole with the size of
It is arranged such that it is arranged through the interval.
【０００６】又、この発明の請求項２に係る回転子鉄心
の製造方法は、圧延方向に延在する帯状磁性部材の幅方
向両端部の板厚差から重量のアンバランス量を演算する
工程と、中心から圧延方向とほぼ直角の位置で且つ板厚
の大きい側に形成されるバランス用穴の位置と大きさを
設定してアンバランス量を相殺するに必要な枚数を演算
する工程と、帯状磁性部材から打ち抜き加工をすること
により順次円形状の板状磁性部材を形成するとともに板
状磁性部材のうち枚数のものにバランス用穴を形成する
工程と、バランス用穴が形成された板状磁性部材を所定
の位置に配置し板状磁性部材を順次積層して一体化する
工程とを包含したものである。 A rotor core according to claim 2 of the present invention
The manufacturing method of is the width of the strip-shaped magnetic member extending in the rolling direction.
Calculate the weight unbalance amount from the plate thickness difference between both ends
At the process and at a position approximately perpendicular to the rolling direction from the center and the plate thickness
The position and size of the balancing hole formed on the larger side of
Calculate the number of sheets required to set and cancel the unbalance amount
And punching from the magnetic strip
To form circular plate-shaped magnetic members in sequence
The balancing holes in the number of magnetic members
Predetermined process and plate-shaped magnetic member with balancing holes
The plate-shaped magnetic members are sequentially stacked and integrated at the position
And the steps.
【０００７】又、この発明の請求項３に係る回転子鉄心
の製造装置は、圧延方向に延在する帯状磁性部材の幅方
向両端部の板厚をそれぞれ検出する手段と、検出された
両板厚の差から重量のアンバランス量を演算するととも
に中心から圧延方向とほぼ直角の位置で且つ板厚の大き
い側に形成されるバランス用穴の位置と大きさを設定し
てアンバランス量を相殺するに必要な枚数を演算する手
段と、帯状磁性部材から打ち抜き加工をすることにより
順次円形状の板状磁性部材を形成するとともに板状磁性
部材のうち枚数のものにバランス用穴を形成する手段
と、バランス用穴が形成された板状磁性部材を所定の位
置に配置し板状磁性部材を順次積層して一体化する手段
とを備えたものである。 A rotor core according to claim 3 of the present invention
The manufacturing equipment of is the width direction of the strip-shaped magnetic member extending in the rolling direction.
A means for detecting the plate thickness at both ends, and
When calculating the weight unbalance amount from the difference between both plate thickness
At the position almost perpendicular to the rolling direction from the center and the plate thickness is large.
Set the position and size of the balancing hole formed on the
To calculate the number of sheets required to offset the unbalance amount.
By punching from the step and the band-shaped magnetic member
In addition to forming circular plate-shaped magnetic members,
Means for forming balancing holes in the number of members
And the plate-shaped magnetic member with the balancing holes
Means for arranging and stacking plate-like magnetic members one after another
It is equipped with and.
【０００８】又、この発明の請求項４に係る回転子鉄心
の製造装置は、アンバランス量を相殺するに必要な枚数
は予め演算して記憶させるようにしたものである。 A rotor core according to claim 4 of the present invention
The manufacturing equipment of the number of sheets required to offset the unbalanced amount
Is calculated in advance and stored.
【０００９】[0009]
【発明の実施の形態】実施の形態１．
以下、この発明の実施の形態を図に基づいて説明する。
図１はこの発明の実施の形態１における回転子鉄心の構
成を示し、（Ａ）は正面図、（Ｂ）は（Ａ）における線
Ｂ−Ｂに沿う断面図、図２は図１における回転子鉄心が
適用された回転子の構成を示し、（Ａ）は正面図、
（Ｂ）は（Ａ）における線Ｂ−Ｂに沿う断面図、図３は
図１における回転子鉄心を製造するための装置の構成を
示す斜視図、図４は図３における回転子の製造装置にお
いて帯状磁性部材から板状磁性部材を形成する工程を示
す平面図、図５は図４における帯状磁性部材および板状
磁性部材の寸法関係を示し、（Ａ）は平面図、（Ｂ）は
（Ａ）における線Ｂ−Ｂに沿った断面図である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiment 1. An embodiment of the present invention will be described below with reference to the drawings.
1 shows a structure of a rotor core according to Embodiment 1 of the present invention, (A) is a front view, (B) is a sectional view taken along line BB in (A), and FIG. The structure of the rotor to which the child iron core is applied is shown, (A) is a front view,
(B) is a cross-sectional view taken along line BB in (A), FIG. 3 is a perspective view showing a configuration of an apparatus for manufacturing the rotor core in FIG. 1, and FIG. 4 is an apparatus for manufacturing the rotor in FIG. FIG. 5 is a plan view showing a step of forming a plate-shaped magnetic member from the band-shaped magnetic member in FIG. 5, FIG. 5 shows a dimensional relationship between the band-shaped magnetic member and the plate-shaped magnetic member in FIG. 4, (A) is a plan view, and (B) is ( It is sectional drawing along line BB in A).
【００１０】図１および図２において、１は周方向に所
定の間隔を介して配置される矩形状の磁石用穴１ａおよ
び中心部に配置される軸用穴１ｂがそれぞれ形成された
円形状の第１の板状磁性部材、２はこの第１の板状磁性
部材１と同様に、周方向に所定の間隔を介して配置され
る矩形状の磁石用穴２ａおよび中心部に配置される軸用
穴２ｂと、中心から圧延方向とほぼ直角の位置で、且つ
板厚の大きい側の部位に所定の径を有して配置されるバ
ランス用穴２ｃとがそれぞれ形成された円形状の第２の
板状磁性部材である。In FIGS. 1 and 2, reference numeral 1 denotes a circular shape in which a rectangular magnet hole 1a arranged at a predetermined interval in the circumferential direction and a shaft hole 1b arranged at the center are formed. Similar to the first plate-shaped magnetic member 1, the first plate-shaped magnetic member 2 has rectangular magnet holes 2a arranged at predetermined intervals in the circumferential direction and a shaft arranged at the center. A circular second hole formed with a hole 2b for balance and a hole 2c for balance which is arranged at a position substantially perpendicular to the rolling direction from the center and has a predetermined diameter at a portion on the side with a large plate thickness. Is a plate-shaped magnetic member.
【００１１】そして、これら第１および第２の板状磁性
部材１、２は、図１（Ｂ）に示すように第２の板状磁性
部材２を所定の枚数だけ所定の位置に配置させて積層
し、各穴１ａ、２ａおよび１ｂ、２ｂをそれぞれ一致さ
せた後、例えば抜きかしめ等で固着一体化することによ
り回転子鉄心３が構成される。４は両磁石用穴１ａ、２
ａに嵌挿され例えば鉄粉等の磁性粉体が混入された熱可
塑性樹脂で固着された永久磁石、５は両軸用穴１ｂ、２
ｂに嵌合された回転子軸であり、これら１ないし５で回
転子６が構成される。As shown in FIG. 1B, the first and second plate-shaped magnetic members 1 and 2 are formed by arranging a predetermined number of second plate-shaped magnetic members 2 at predetermined positions. The rotor core 3 is formed by stacking and aligning the holes 1a, 2a and 1b, 2b with each other, and then fixing and integrating them by, for example, punching and caulking. 4 is holes 1a, 2 for both magnets
Permanent magnets 5 fitted into a and fixed with a thermoplastic resin mixed with magnetic powder such as iron powder are designated as shaft holes 1b, 2
It is a rotor shaft fitted in b, and the rotor 6 is composed of these 1 to 5.
【００１２】次に、上記のように構成される回転子鉄心
の製造方法を図３ないし図５に基づいて説明する。一般
に、圧延方向に圧延する帯状板部材は、圧延ローラの構
成上圧延方向とほぼ直角の方向、すなわち幅方向に板厚
差が生じている。そこで、まず帯状磁性部材７を巻枠８
から取り出し、帯状磁性部材７の両側部に配置される両
板厚検出センサ９、１０により、帯状磁性部材７の両側
部の板厚をそれぞれ検出する。Next, a method of manufacturing the rotor core having the above structure will be described with reference to FIGS. Generally, the strip-shaped plate member rolled in the rolling direction has a plate thickness difference in a direction substantially perpendicular to the rolling direction, that is, in the width direction due to the configuration of the rolling roller. Therefore, first, the strip-shaped magnetic member 7 is attached to the winding frame 8.
The plate thickness detecting sensors 9 and 10 arranged on both sides of the strip-shaped magnetic member 7 respectively detect the plate thickness of both sides of the strip-shaped magnetic member 7.
【００１３】次いで、演算部１１において、両板厚検出
センサ９、１０によって検出された板厚の差から、重量
のアンバランス量が演算されるとともに、圧延方向とほ
ぼ直角の位置で且つ板厚の大きい側に形成されるバラン
ス用穴２ｃを、所定の位置と大きさに設定したとして、
演算されたアンバランス量を相殺するに必要な枚数が演
算される。今、図５に示すように第２の板状磁性部材２
に磁石用穴２ａが無いと仮定し、
Ｒ：第２の板状磁性部材２の外周の半径（ｍｍ）
ｒ：軸用穴２ｂの半径（ｍｍ）
ａ：バランス用穴２ｃの半径（ｍｍ）
ｌ：第２の板状磁性部材２の中心からバランス用穴２ｃ
までの距離（ｍｍ）
ｔ１：第２の板状磁性部材２の板厚の最小値（ｍｍ）
ｔ２：第２の板状磁性部材２の板厚の最大値（ｍｍ）
とした場合の回転子鉄心３の総積層枚数Ｎ（第１および
第２の板状磁性部材１、２の合計枚数）と、バランス用
穴２ｃを有する第２の板状磁性部材２の枚数ｎとの関係
は次式で表される。
ｎ/Ｎ=(Ｒ４-ｒ４)・(ｔ２-ｔ１)/[４ａ２・ｌ・{ｌ(ｔ２-
ｔ１)+Ｒ(ｔ２+ｔ１)}]
そして、例えばＲ＝５０、ｒ＝１０、ａ＝５、ｌ＝２
５、Ｎ＝２００として上記式に代入すると、ｔ２＝０．
５０５、ｔ１＝０．５の場合はＫ＝４９．５５で約５０
枚、また、ｔ２＝０．５０１、ｔ１＝０．５の場合はＫ
＝９．９６で約１０枚というように演算される。Next, in the calculation unit 11, the unbalance amount of the weight is calculated from the difference between the plate thicknesses detected by the plate thickness detection sensors 9 and 10, and at the position substantially perpendicular to the rolling direction and at the plate thickness. Assuming that the balancing hole 2c formed on the larger side of the
The number of sheets required to offset the calculated unbalance amount is calculated. Now, as shown in FIG. 5, the second plate-shaped magnetic member 2
Assuming that there is no hole 2a for magnet in R, R: radius of the outer periphery of the second plate-shaped magnetic member 2 (mm) r: radius of hole 2b for shaft (mm) a: radius of hole 2c for balancing (mm) l: balancing hole 2c from the center of the second plate-shaped magnetic member 2
Distance (mm) t 1 : minimum value (mm) of the plate thickness of the second plate-shaped magnetic member 2 t 2 : maximum value (mm) of the plate thickness of the second plate-shaped magnetic member 2 The relationship between the total number N of laminated rotor cores 3 (the total number of the first and second plate-shaped magnetic members 1 and 2) and the number n of the second plate-shaped magnetic members 2 having the balancing holes 2c is It is expressed by the following equation. n / N = (R 4 −r 4 ) · (t 2 −t 1 ) / [4a 2 · l · {l (t 2 −
t 1 ) + R (t 2 + t 1 )}] and, for example, R = 50, r = 10, a = 5, l = 2
5, N = 200, substituting into the above equation, t 2 = 0.
505, when t 1 = 0.5, K = 49.55 and about 50
Number of sheets, or K when t 2 = 0.501 and t 1 = 0.5
= 9.96, about 10 sheets are calculated.
【００１４】このようにしてバランス用穴２ｃを有する
第２の板状磁性部材２の必要枚数ｎが演算されると、演
算部１１からＲ、ｒ、ａ、ｌ、Ｎ、ｎの各値およびｎを
どのように積層配置するかの指示が金型１２に送出され
る。そして、金型１２では上型１２ａおよび下型１２ｂ
が協働することにより、図４に示すように矢印Ａで示す
位置において、ハッチングで示す部分をプレス打ち抜き
し、第１の板状磁性部材１の場合は磁石用穴１ａおよび
軸用穴１ｂが、また、第２の板状磁性部材２の場合は磁
石用穴２ａおよび軸用穴２ｂがそれぞれ形成される。When the required number n of the second plate-shaped magnetic members 2 having the balancing holes 2c is calculated in this manner, the values of R, r, a, l, N, and n are calculated from the calculation unit 11. Instructions on how to stack n are sent to the die 12. Then, in the mold 12, the upper mold 12a and the lower mold 12b
As shown in FIG. 4, the portions shown by hatching are punched by press working as shown in FIG. 4, and in the case of the first plate-shaped magnetic member 1, the magnet hole 1a and the shaft hole 1b are Further, in the case of the second plate-shaped magnetic member 2, the magnet hole 2a and the shaft hole 2b are formed respectively.
【００１５】次いで、矢印Ｂで示す位置において、第２
の板状磁性部材２に相当する場合は、ハッチングで示す
部分をプレス打ち抜きしてバランス用穴２ｃが形成さ
れ、また、板厚の大きい側が幅方向に逆の場合は、矢印
Ｃで示す位置において、ハッチングで示す部分をプレス
打ち抜きして同様のバランス用穴２ｃが形成される。そ
して最後に、矢印Ｄで示す位置において、ハッチングで
示す部分をプレス打ち抜きすることにより、それぞれ第
１および第２の板状磁性部材１、２が形成され、演算部
１１の指示に基づいて積層配置された後、抜きかしめに
より固着一体化されて回転子鉄心３が完成し、コンベア
１３を介して順次搬出される。Next, at the position indicated by arrow B, the second
If the plate-shaped magnetic member 2 corresponds to the plate-shaped magnetic member 2, the hatched portion is punched out to form the balancing hole 2c. If the side with a large plate thickness is opposite in the width direction, at the position indicated by the arrow C. , A portion shown by hatching is punched by a press to form a similar balancing hole 2c. Finally, at the position indicated by the arrow D, the hatched portion is punched out to form the first and second plate-shaped magnetic members 1 and 2, respectively, and the stacking arrangement is performed based on the instruction of the calculation unit 11. After that, the rotor core 3 is completed by being fixedly integrated by punching and caulking, and is sequentially carried out via the conveyor 13.
【００１６】このように上記実施の形態１によれば、圧
延方向に延在する帯状磁性部材７の幅方向両端部の板厚
を、両板厚検出センサ９、１０によってそれぞれ検出
し、両板厚の差から演算部１１において重量のアンバラ
ンス量が演算されるとともに、中心から圧延方向とほぼ
垂直の位置で且つ板厚の大きい側に形成されるバランス
用穴２ｃの位置と大きさを設定して、アンバランスを相
殺するに必要な枚数を演算し、この枚数だけバランス用
穴２ｃを有する第２の板状磁性部材２を形成して、所定
の位置に配置して第１の板状磁性部材１と共に積層する
ようにしているので、パテの貼着等を施すことなくバラ
ンスの調整が可能となり、また、図１に示すように第２
の板状磁性部材２を所定の間隔で配置するようにすれ
ば、演算部１１における第２の板状磁性部材２の配置の
判断が簡易化され、バランスの調整はさらに容易とな
る。As described above, according to the first embodiment, the plate thicknesses at both widthwise ends of the strip-shaped magnetic member 7 extending in the rolling direction are detected by the plate thickness detection sensors 9 and 10, respectively. The unbalance amount of weight is calculated by the calculation unit 11 from the difference in thickness, and the position and size of the balancing hole 2c formed on the side with a large plate thickness at a position substantially perpendicular to the rolling direction from the center are set. Then, the number of sheets necessary for canceling the unbalance is calculated, and the second plate-shaped magnetic member 2 having the balancing holes 2c is formed by this number, and the second plate-shaped magnetic member 2 is arranged at a predetermined position to form the first plate-shaped member. Since the magnetic member 1 and the magnetic member 1 are laminated, the balance can be adjusted without attaching the putty or the like, and as shown in FIG.
If the plate-shaped magnetic members 2 are arranged at a predetermined interval, the determination of the arrangement of the second plate-shaped magnetic members 2 in the calculation unit 11 is simplified, and the balance adjustment is further facilitated.
【００１７】なお、上記における演算部１１では、条件
に応じてその都度第２の板状磁性部材２の必要枚数を演
算するようにしているが、想定される条件における必要
枚数を予め演算して記憶しておき、必要に応じてその枚
数を抽出するようにしても良く、上記と同様の効果を発
揮し得ることは言うまでもない。In the above-mentioned calculation unit 11, the required number of second plate-shaped magnetic members 2 is calculated each time in accordance with the conditions. However, the required number under the assumed conditions is calculated in advance. It is needless to say that the number of sheets may be stored and extracted as needed, and the same effect as described above can be exhibited.
【００１８】実施の形態２．
図６はこの発明の実施の形態２における回転子鉄心が適
用された回転子の構成を示し、（Ａ）は正面図、（Ｂ）
は（Ａ）における線Ｂ−Ｂに沿う断面図である。図にお
いて、上記実施の形態１におけると同様な部分は同一符
号を付して説明を省略する。１４は第１および第２の板
状磁性部材１、２を、第２の板状磁性部材２の所定の枚
数の半数ずつが両端となるように配置させて積層し、例
えば抜きかしめ等で一体化することにより構成される回
転子鉄心で、永久磁石４および回転子軸５と組み合わせ
られて回転子１５が構成されている。Embodiment 2. FIG. 6 shows the structure of a rotor to which a rotor core according to Embodiment 2 of the present invention is applied. (A) is a front view, (B)
FIG. 4B is a sectional view taken along line BB in (A). In the figure, the same parts as those in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted. Reference numeral 14 denotes the first and second plate-shaped magnetic members 1 and 2 which are arranged such that half of a predetermined number of the second plate-shaped magnetic members 2 are at both ends, and are laminated, and integrated by, for example, punching and caulking. The rotor core is formed by forming the rotor 15 in combination with the permanent magnet 4 and the rotor shaft 5.
【００１９】このように上記実施の形態２によれば、上
記実施の形態１におけると同様に、バランス用穴２ｃを
有する第２の板状磁性部材２を、アンバランスを相殺す
るに必要な枚数だけ第１の板状磁性部材１と共に積層す
るようにしているので、パテの貼着等を施すことなくバ
ランスの調整が可能となり、又、第２の板状磁性部材２
を半数ずつ積層方向両端部に配置するようにしているの
で、バランスの調整はさらに容易となる。As described above, according to the second embodiment, as in the first embodiment, the number of the second plate-shaped magnetic members 2 having the balancing holes 2c required to cancel the imbalance. Since only the first plate-shaped magnetic member 1 is laminated with the first plate-shaped magnetic member 1, the balance can be adjusted without attaching putty or the like, and the second plate-shaped magnetic member 2 can be adjusted.
Since half of them are arranged at both ends in the stacking direction, the balance can be adjusted more easily.
【００２０】[0020]
【発明の効果】以上のように、この発明の請求項１によ
れば、圧延方向に延在する帯状磁性部材を圧延方向に順
次打ち抜き加工することにより円形状に形成される多数
の板状磁性部材を積層して一体化された回転子鉄心にお
いて、板状磁性部材は、その中心から圧延方向とほぼ直
角の位置で且つ板厚の大きい側の部位に所定の大きさを
有するバランス用穴が形成されたものを所定の間隔を介
して配置するようにしたので、パテの貼着等を施すこと
なく容易にバランスの調整が可能な回転子鉄心を提供す
ることができる。 As described above, according to claim 1 of the present invention.
The strip-shaped magnetic member extending in the rolling direction
A large number of circles formed by the next punching process
The rotor core integrated by laminating the plate-shaped magnetic members
The plate-shaped magnetic member is almost straight from the center in the rolling direction.
A certain size is placed at the corner and on the thicker side.
Having a hole for balancing that has a predetermined interval
Since it was arranged in such a way, put putty etc.
To provide a rotor core whose balance can be easily adjusted without
You can
【００２１】又、この発明の請求項２によれば、圧延方
向に延在する帯状磁性部材の幅方向両端部の板厚差から
重量のアンバランス量を演算する工程と、中心から圧延
方向とほぼ直角の位置で且つ板厚の大きい側に形成され
るバランス用穴の位置と大きさを設定してアンバランス
量を相殺するに必要な枚数を演算する工程と、帯状磁性
部材から打ち抜き加工をすることにより順次円形状の板
状磁性部材を形成するとともに板状磁性部材のうち枚数
のものにバランス用穴を形成する工程と、バランス用穴
が形成された板状磁性部材を所定の位置に配置し板状磁
性部材を順次積層して一体化する工程とを包含したの
で、パテの貼着等を施すことなく容易にバランスの調整
が可能な回転子鉄心の製造方法を提供することができ
る。 According to claim 2 of the present invention, the rolling method
From the difference in plate thickness between the widthwise ends of the strip-shaped magnetic member
The process of calculating the unbalanced amount of weight and rolling from the center
Is formed at a position almost perpendicular to the direction and on the thicker side.
Unbalance by setting the position and size of the balancing hole
The process of calculating the number of sheets required to offset the amount
Circular plate by punching from the member
The number of plate-shaped magnetic members
Process for forming a balancing hole in the product, and the balancing hole
Place the plate-shaped magnetic member with the
The step of sequentially stacking and integrating the elastic members.
With this, you can easily adjust the balance without applying putty.
Can provide a manufacturing method of a rotor core capable of
It
【００２２】又、この発明の請求項３によれば、圧延方
向に延在する帯状磁性部材の幅方向両端部の板厚をそれ
ぞれ検出する手段と、検出された両板厚の差から重量の
アンバランス量を演算するとともに中心から圧延方向と
ほぼ直角の位置で且つ板厚の大きい側に形成されるバラ
ンス用穴の位置と大きさを設定してアンバランス量を相
殺するに必要な枚数を演算する手段と、帯状磁性部材か
ら打ち抜き加工をすることにより順次円形状の板状磁性
部材を形成するとともに板状磁性部材のうち枚数のもの
にバランス用穴を形成する手段と、バランス用穴が形成
された板状磁性部材を所定の位置に配置し板状磁性部材
を順次積層して一体化する手段とを備えたので、パテの
貼着等を施すことなく容易にバランスの調整が可能な回
転子鉄心の製造装置を提供することができる。 According to claim 3 of the present invention, the rolling method
The plate thickness at the widthwise ends of the strip-shaped magnetic member
The means for detecting each and the difference between the detected thicknesses of both plates
The unbalance amount is calculated and the rolling direction from the center
Roses formed on the side with a large plate thickness at almost right angles
Set the position and size of the sensor hole to adjust the unbalance amount.
A means to calculate the number of sheets needed to kill and a strip-shaped magnetic member
By sequentially punching from the
Forming a member and using a number of plate-shaped magnetic members
A means for forming a balancing hole in the
The plate-shaped magnetic member is arranged at a predetermined position.
Since it was equipped with a means for sequentially stacking and integrating
The balance can be easily adjusted without attaching it.
A trochanter iron core manufacturing apparatus can be provided.
【００２３】又、この発明の請求項４によれば、アンバ
ランス量を相殺するに必要な枚数は予め演算して記憶さ
せるようにしたので、パテの貼着等を施すことなくさら
に容易にバランスの調整が可能な回転子鉄心の製造装置
を提供することができる。 According to claim 4 of the present invention,
The number of sheets required to offset the lance amount is calculated and stored in advance.
Since it is designed to be put on, it does not have to be put on putty.
Rotor iron core manufacturing equipment that can easily adjust the balance
Can be provided.
【図１】 この発明の実施の形態１における回転子鉄心
の構成を示し、（Ａ）は正面図、（Ｂ）は（Ａ）におけ
る線Ｂ−Ｂに沿う断面図である。FIG. 1 shows a structure of a rotor core according to a first embodiment of the present invention, (A) is a front view and (B) is a sectional view taken along line BB in (A).
【図２】 図１における回転子鉄心が適用された回転子
の構成を示し、（Ａ）は正面図、（Ｂ）は（Ａ）におけ
る線Ｂ−Ｂに沿う断面図である。2A and 2B show a configuration of a rotor to which the rotor core in FIG. 1 is applied, FIG. 2A is a front view, and FIG. 2B is a sectional view taken along line BB in FIG.
【図３】 図１における回転子鉄心を製造するための装
置の構成を示す斜視図である。3 is a perspective view showing a configuration of an apparatus for manufacturing the rotor core in FIG. 1. FIG.
【図４】 図３における回転子の製造装置において帯状
磁性部材から板状磁性部材を形成する工程を示す平面図
である。FIG. 4 is a plan view showing a step of forming a plate-shaped magnetic member from a belt-shaped magnetic member in the rotor manufacturing apparatus in FIG.
【図５】 図４における帯状磁性部材および板状磁性部
材の寸法関係を示し、（Ａ）は平面図、（Ｂ）は（Ａ）
における線Ｂ−Ｂに沿う断面図である。5A and 5B show a dimensional relationship between the strip-shaped magnetic member and the plate-shaped magnetic member in FIG. 4, where FIG. 5A is a plan view and FIG.
FIG. 6 is a sectional view taken along line BB in FIG.
【図６】 この発明の実施の形態２における回転子鉄心
が適用された回転子の構成を示し、（Ａ）は正面図、
（Ｂ）は（Ａ）における線Ｂ−Ｂに沿う断面図である。FIG. 6 shows a configuration of a rotor to which a rotor iron core according to a second embodiment of the present invention is applied, (A) is a front view,
(B) is a sectional view taken along the line BB in (A).
１ 第１の板状磁性部材、２ 第２の板状磁性部材、１
ａ，２ａ 磁石用穴、１ｂ，２ｂ 軸用穴、２ｃ バラ
ンス用穴、３，１４ 回転子鉄心、４ 永久磁石、５
回転子軸、６，１５ 回転子。1 1st plate-shaped magnetic member, 2 2nd plate-shaped magnetic member, 1
a, 2a Magnet hole, 1b, 2b Shaft hole, 2c Balance hole, 3,14 Rotor core, 4 Permanent magnet, 5
Rotor shaft, 6,15 rotor.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大川 義光 東京都千代田区丸の内二丁目２番３号 三菱電機株式会社内 (72)発明者 山本 一之 東京都千代田区丸の内二丁目２番３号 三菱電機株式会社内 (56)参考文献 特開 平６−133479（ＪＰ，Ａ) 特開 平９−294358（ＪＰ，Ａ) 特開 平９−163644（ＪＰ，Ａ) 特開 平９−308152（ＪＰ，Ａ) 実開 平５−88164（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H02K 15/16 H02K 1/27 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Yoshimitsu Okawa, 2-3 Marunouchi 2-3, Chiyoda-ku, Tokyo Mitsubishi Electric Corporation (72) Inventor, Kazuyuki Yamamoto 2-3-2, Marunouchi, Chiyoda-ku, Tokyo Mitsubishi (56) References JP-A-6-133479 (JP, A) JP-A-9-294358 (JP, A) JP-A-9-163644 (JP, A) JP-A-9-308152 (JP , A) Actual Kaihei 5-88164 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB name) H02K 15/16 H02K 1/27
Claims (4)
圧延方向に順次打ち抜き加工することにより円形状に形
成される多数の板状磁性部材を積層して一体化された回
転子鉄心において、上記板状磁性部材は、その中心から
上記圧延方向とほぼ直角の位置で且つ板厚の大きい側の
部位に所定の大きさを有するバランス用穴が形成された
ものが所定の間隔を介して配置されていることを特徴と
する回転子鉄心。 1. A strip-shaped magnetic member extending in the rolling direction,
A circular shape is formed by sequentially punching in the rolling direction.
An integrated circuit that is made by laminating a number of plate-shaped magnetic members
In the trochanter core, the plate-shaped magnetic member is
At a position almost perpendicular to the rolling direction and on the side with a large plate thickness
A balancing hole with a certain size was formed in the part
Characteristic that things are arranged through a predetermined interval
Rotor iron core.
向両端部の板厚差から重量のアンバランス量を演算する
工程と、中心から上記圧延方向とほぼ直角の位置で且つ
板厚の大きい側に形成されるバランス用穴の位置と大き
さを設定して上記アンバランス量を相殺するに必要な枚
数を演算する工程と、上記帯状磁性部材から打ち抜き加
工をすることにより順次円形状の板状磁性部材を形成す
るとともに上記板状磁性部材のうち上記枚数のものに上
記バランス用穴を形成する工程と、上記バランス用穴が
形成された板状磁性部材を所定の位置に配置し上記板状
磁性部材を順次積層して一体化する工程とを包含したこ
とを特徴とする回転子鉄心の製造方法。 2. A widthwise direction of a strip-shaped magnetic member extending in the rolling direction.
Calculate the weight unbalance amount from the plate thickness difference between both ends
At the process and at a position approximately perpendicular to the rolling direction from the center and
Position and size of the balancing hole formed on the thicker side
Required to offset the above imbalance amount
The process of calculating the number
The circular plate-shaped magnetic members are sequentially formed by working
Of the above-mentioned plate-shaped magnetic members
The process of forming the balancing hole and the balancing hole
Place the formed plate-shaped magnetic member in a predetermined position
A step of sequentially laminating magnetic members and integrating them.
And a method of manufacturing a rotor core.
向両端部の板厚をそれぞれ検出する手段と、上記検出さ
れた両板厚の差から重量のアンバランス量を演算すると
ともに中心から上記圧延方向とほぼ直角の位置で且つ板
厚の大きい側に形成されるバランス用穴の位置と大きさ
を設定して上記アンバランス量を相殺するに必要な枚数
を演算する手段と、上記帯状磁性部材から打ち抜き加工
をすることにより順次円形状の板状磁性部材を形成する
とともに上記板状磁性部材のうち上記枚数のものに上記
バランス用穴を形成する手段と、上記バランス用穴が形
成された板状磁性部材を所定の位置に配置し上記板状磁
性部材を順次積層して一体化する手段とを備えたことを
特徴とする回転子鉄心の製造装置。 3. A widthwise direction of a strip-shaped magnetic member extending in the rolling direction.
A means for detecting the plate thickness at each end of the
Calculate the weight unbalance amount from the difference between the two plate thicknesses
Both are located at a position approximately perpendicular to the rolling direction from the center and the plate
Position and size of the balancing hole formed on the thick side
The number of sheets required to set and to offset the above unbalanced amount
And a punching process from the above strip-shaped magnetic member
To sequentially form circular plate-shaped magnetic members by performing
Along with the above-mentioned number of the above-mentioned plate-shaped magnetic members,
The means for forming the balancing hole and the balancing hole
The formed plate-shaped magnetic member is placed at a predetermined position, and
And a means for sequentially stacking and integrating the elastic members.
Characteristic rotor iron core manufacturing equipment.
は予め演算して記憶されていることを特徴とする請求項
３記載の回転子鉄心の製造装置。 4. The number of sheets required to offset the unbalance amount.
Is calculated and stored in advance.
3. The rotor core manufacturing apparatus according to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35552499A JP3482366B2 (en) | 1999-12-15 | 1999-12-15 | Rotor core and method and apparatus for manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35552499A JP3482366B2 (en) | 1999-12-15 | 1999-12-15 | Rotor core and method and apparatus for manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001178089A JP2001178089A (en) | 2001-06-29 |
| JP3482366B2 true JP3482366B2 (en) | 2003-12-22 |
Family
ID=18444444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35552499A Expired - Fee Related JP3482366B2 (en) | 1999-12-15 | 1999-12-15 | Rotor core and method and apparatus for manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3482366B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3887541B2 (en) * | 2001-02-16 | 2007-02-28 | 三菱電機株式会社 | Embedded magnet rotor |
| JP5297147B2 (en) * | 2008-10-23 | 2013-09-25 | 株式会社三井ハイテック | Manufacturing method of magnet mounted rotor core |
| JP5033841B2 (en) * | 2009-06-02 | 2012-09-26 | 日立オートモティブシステムズ株式会社 | Rotating electric machine and manufacturing method thereof |
-
1999
- 1999-12-15 JP JP35552499A patent/JP3482366B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001178089A (en) | 2001-06-29 |
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