JPH0518655B2 - - Google Patents

Info

Publication number
JPH0518655B2
JPH0518655B2 JP62080135A JP8013587A JPH0518655B2 JP H0518655 B2 JPH0518655 B2 JP H0518655B2 JP 62080135 A JP62080135 A JP 62080135A JP 8013587 A JP8013587 A JP 8013587A JP H0518655 B2 JPH0518655 B2 JP H0518655B2
Authority
JP
Japan
Prior art keywords
caulking
core
laminated
rotating machine
laminated core
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 - Lifetime
Application number
JP62080135A
Other languages
Japanese (ja)
Other versions
JPS63248528A (en
Inventor
Tsutomu Ogawa
Yasunobu Hirabayashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP8013587A priority Critical patent/JPS63248528A/en
Publication of JPS63248528A publication Critical patent/JPS63248528A/en
Publication of JPH0518655B2 publication Critical patent/JPH0518655B2/ja
Granted legal-status Critical Current

Links

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、積層コアーの板厚偏差により生じ
る積層鉄心の傾きを防ぐ回転機鉄心の製造方法に
用いて良好なプレス金型に関するものである。
[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a press mold that is suitable for use in a method for manufacturing a rotating machine core, which prevents tilting of the laminated core caused by thickness deviation of the laminated core. .

〔従来の技術〕[Conventional technology]

第4図は、板厚偏差を有する積層コアーを積層
して構成された回転機鉄心である。 第4図にお
いて、1は回転機鉄心、2は回転機鉄心1を構成
する積層コアー、Tは積層コアー2の板厚偏差
Δtの累積により生じた回転機鉄心1の傾きであ
る。
FIG. 4 shows a rotating machine core constructed by laminating laminated cores having thickness deviations. In FIG. 4, 1 is the rotating machine core, 2 is the laminated core constituting the rotating machine core 1, and T is the inclination of the rotating machine core 1 caused by the accumulation of plate thickness deviations Δt of the laminated core 2.

第5図は、回転機鉄心1を構成する積層コアー
2の打抜き工程を示す平面図であり、3は帯状鋼
板である。
FIG. 5 is a plan view showing the punching process of the laminated core 2 constituting the rotating machine core 1, and 3 is a strip-shaped steel plate.

第5図において3は、積層コアー2を順次打抜
きする帯状鋼板、4は帯状鋼板3をA方向に送る
時にこの帯状鋼板3が所要寸法で正確に次の抜工
程にかかるようにするために設けられたパイロツ
ト穴、5はスロツト穴、6は積層コアー2の内
径、7は積層コアー2のカシメ穴、8はカシメ突
起、9は積層コアー2の外径である。
In Fig. 5, numeral 3 denotes a steel strip from which laminated cores 2 are punched in sequence, and 4 is provided to ensure that when the steel strip 3 is fed in the direction A, the steel strip 3 will be of the required size and accurately subjected to the next punching process. 5 is a slot hole, 6 is an inner diameter of the laminated core 2, 7 is a caulking hole in the laminated core 2, 8 is a caulking projection, and 9 is an outer diameter of the laminated core 2.

次に、動作について説明する。 Next, the operation will be explained.

まず、帯状鋼板3を矢印「A」方向にパイロツ
ト穴4をパイロツトで位置決めして間欠的に送
り、スロツト穴5と積層コアーの内径6の打抜き
を行う。
First, the strip steel plate 3 is intermittently fed in the direction of arrow "A" by positioning the pilot hole 4 with a pilot to punch out the slot hole 5 and the inner diameter 6 of the laminated core.

次にカシメ穴7の打抜きとカシメ突起8の形成
を順次行う。
Next, punching of the caulking hole 7 and formation of the caulking protrusion 8 are performed in sequence.

尚、カシメ穴7は、回転機鉄心1をカシメ穴7
とカシメ突起8とを加圧嵌合して積層固着する
際、相隣接して積層される固定子鉄心1を分離さ
せるためのものであり、このカシメ穴7の打抜き
は、相隣接する固定子鉄心1の分離面に相当する
積層コアー2にのみ、第6図に示すような板カム
10を駆動装置で作動させることにより、回転機
鉄心1の分離用カシメ穴7を打抜きするパンチ1
1を打抜き可能な刃物出代まで移動させて打抜き
を行う。又、カシメ穴7aは、カシメ突起8の成
形と同時に成形する。最終工程では、積層コアー
2の外径9の打抜きを行うが、積層コアー2に形
成したカシメ穴7にカシメ突起8を嵌合圧入して
回転機鉄心1を構成する。
Note that the caulking hole 7 is for caulking the rotating machine core 1 into the caulking hole 7.
This is to separate the stator cores 1 that are stacked adjacent to each other when the stator cores 1 and the caulking protrusions 8 are press-fitted and stacked and fixed. A punch 1 punches a separating caulking hole 7 in the rotating machine core 1 by operating a plate cam 10 as shown in FIG.
1 is moved to the cutting edge where punching is possible and punching is performed. Further, the caulking hole 7a is formed at the same time as the caulking protrusion 8 is formed. In the final step, the outer diameter 9 of the laminated core 2 is punched out, and the rotating machine core 1 is constructed by fitting and press-fitting the caulking protrusion 8 into the caulking hole 7 formed in the laminated core 2.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

従来の回転機鉄心1は、以上のように構成され
ているので、積層コアー2を打抜きする帯状鋼板
3に鋼板圧延等の板厚偏差があると、積層した回
転機鉄心が第4図に示すように傾いて積層される
ことになる問題点があつた。
Since the conventional rotating machine core 1 is constructed as described above, if there is a thickness deviation in the strip steel plate 3 from which the laminated core 2 is punched due to steel plate rolling, etc., the laminated rotating machine core 1 will be damaged as shown in Fig. 4. There was a problem in that the layers were stacked at an angle.

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積層コアーのカシメ穴とカシ
メ突起を嵌合圧入して積層固着し、回転機鉄心1
を構成する際積層固着して積層コアーの板厚偏差
による傾きのない回転機鉄心の打抜き出来るプレ
ス型を得ることを目的としている。
This invention was made to solve the above-mentioned problems, and the laminated core is laminated and fixed by fitting and press-fitting the caulking hole and the caulking protrusion, and the rotating machine core 1
The purpose of this invention is to obtain a press die that can punch out a rotating machine core without tilting due to thickness deviation of the laminated core by laminating and fixing the laminated core.

〔問題点を解決するための手段〕[Means for solving problems]

この発明によるプレス型は、回転機鉄心の製造
方法としてカシメ穴とカシメ突起を相隣接するよ
うに所定角度或いは、所定間隔で所要個数だけ配
設し、前記カシメ穴に積層コアーのカシメ突起を
嵌合圧入するため、順次積層コアーを所定角度或
いは、所定間隔づつ回転して積層出来るような構
造としたものである。
The press die according to the present invention is used as a method for manufacturing a rotating machine core, and includes arranging a required number of caulking holes and caulking protrusions adjacent to each other at a predetermined angle or at a predetermined interval, and fitting the caulking protrusions of a laminated core into the caulking holes. In order to press fit together, the structure is such that the laminated cores can be sequentially stacked by rotating them at a predetermined angle or at a predetermined interval.

〔作用〕[Effect]

この発明によるプレス型で製造される回転機鉄
心は、カシメ穴とカシメ突起が相隣接するように
配設してあり積層コアーのカシメ穴にカシメ突起
を嵌合圧入するため積層コアーを順次回転して積
層するように打抜きを行う。
The rotating machine core manufactured by the press mold according to the present invention has caulking holes and caulking protrusions arranged adjacent to each other, and the laminated core is sequentially rotated in order to fit and press fit the caulking protrusions into the caulking holes of the laminated core. Punching is performed so that the sheets are stacked together.

〔発明の実施例〕[Embodiments of the invention]

以下、この発明の一実施例を図について説明す
る。
An embodiment of the present invention will be described below with reference to the drawings.

第1図は、回転機鉄心を構成する積層コアーの
打抜き工程を示す平面図であり、3は積層コアー
2を順次打抜きする帯状鋼板、4は帯状鋼板3を
「A」方向に送る時、この帯状鋼板3が所要寸法
で正確に次の打抜工程にかかるようにするために
設けられたパイロツト穴、5はスロツト穴、6は
積層コアーの内径、7は積層コアー2のカシメ
穴、8はカシメ突起である。9は積層コアー2の
外径である。
FIG. 1 is a plan view showing the punching process of laminated cores constituting the core of a rotating machine. Numeral 3 denotes a strip steel plate from which laminated cores 2 are punched out one after another. Numeral 4 denotes a belt-shaped steel plate 3 which is used when feeding the strip steel plate 3 in the "A" direction. A pilot hole is provided to ensure that the strip steel plate 3 has the required dimensions and is accurately subjected to the next punching process, 5 is a slot hole, 6 is the inner diameter of the laminated core, 7 is a caulking hole in the laminated core 2, and 8 is a pilot hole. It is a caulking protrusion. 9 is the outer diameter of the laminated core 2.

次に、動作について説明する。 Next, the operation will be explained.

まず、帯状鋼板3を矢印「A」方向にパイロツ
ト穴4をパイロツトで位置決めして間欠的に送り
つつスロツト穴5、積層コアー2の内径6の打抜
きを行う。
First, the slotted steel plate 3 and the inner diameter 6 of the laminated core 2 are punched out while the strip steel plate 3 is intermittently fed by positioning the pilot hole 4 in the direction of arrow "A".

次に、カシメ穴7の打抜きとカシメ突起8の形
成を行う。最終工程では、積層コアー2に形成し
たカシメ穴7にカシメ突起8を嵌合圧入し、回転
機鉄心1を構成するが、積層コアー2に形成した
カシメ穴7とカシメ突起8は第2図に示すよう
に、それぞれ、所定角度θ1或いは、所定間隔に配
設されており、積層コアー2の外径9を打抜く
際、カシメ穴7にカシメ突起8が嵌合圧入出来る
位置となるように、プレス型のダイ(図示省略)
を所定角度θ1或いは所定間隔だけ回転させて打抜
きを行い積層コアー2を積層固着し、回転機鉄心
1を構成する。尚、回転子鉄心1をカシメ穴7と
カシメ突起8とを加圧嵌合し、積層固着して構成
する際、相隣接して積層される回転子鉄心1を分
離させるため、回転子鉄心の最下端となる積層コ
アー2の1〜2枚にカシメ突起8を形成する位置
にカシメ穴8aをあける。このカシメ穴8aは、
カシメ突起8を形成する位置に第6図に示す板カ
ム10を作動させ常時は沈んでいるパンテ11を
カシメ穴8aの打抜き可能なパンテ出代まで移動
させて打抜きを行うか、あるいは別工程でカシメ
穴7aを打抜きするパンチを第6図に示すように
板カムにより作動させて打抜きを行つてもよい。
また、上記実施例において、所定角度θ1とθ2を等
しくすることにより、カシメ突起8を積層コアー
2の板厚より多く嵌合圧入することもできる。
Next, the caulking hole 7 is punched and the caulking protrusion 8 is formed. In the final step, the caulking protrusions 8 are fitted and press-fitted into the caulking holes 7 formed in the laminated core 2 to form the rotating machine core 1. The caulking holes 7 and the caulking protrusions 8 formed in the laminated core 2 are shown in FIG. As shown, they are arranged at a predetermined angle θ 1 or at a predetermined interval, so that when punching the outer diameter 9 of the laminated core 2, the caulking protrusions 8 are in positions where they can be press-fitted into the caulking holes 7. , press die (not shown)
is rotated by a predetermined angle θ 1 or a predetermined interval and punched, and the laminated core 2 is laminated and fixed to form the rotating machine iron core 1. Note that when constructing the rotor core 1 by press-fitting the caulking hole 7 and the caulking protrusion 8 and stacking and fixing them, the rotor core 1 is A caulking hole 8a is made at a position where a caulking protrusion 8 is to be formed in one or two pieces of the laminated core 2 serving as the lowest end. This caulking hole 8a is
The plate cam 10 shown in FIG. 6 is operated at the position where the caulking protrusion 8 is formed, and the panty 11, which is normally sunken, is moved to the panty protrusion in the caulking hole 8a where punching is possible, and punching is performed, or punching is performed in a separate process. The punch for punching out the caulked hole 7a may be operated by a plate cam as shown in FIG. 6 to perform the punching.
Further, in the above embodiment, by making the predetermined angles θ 1 and θ 2 equal, it is possible to fit and press-fit the caulking protrusion 8 to a thickness greater than the thickness of the laminated core 2 .

また、上記実施例では、回転機鉄心のうち、固
定子鉄心について説明したが、回転子鉄心につい
ても上記実施例と同様の効果を奏する。
Further, in the above embodiment, the stator core of the rotary machine core has been described, but the same effects as in the above embodiment can be achieved with the rotor core.

尚、回転子鉄心におけるスロツトのスキユー付
けにおいては、カシメ穴とカシメ突起の配置を隣
接スロツト間角度だけスキユー付方向に合せて増
減した角度でカシメ穴とカシメ突起を配設するよ
うにすればよい。
When skewing the slots in the rotor core, the crimping holes and crimping protrusions may be arranged at an angle that is increased or decreased by the angle between adjacent slots in accordance with the skewing direction. .

〔発明の効果〕〔Effect of the invention〕

以上のようにこの発明によれば、積層コアーの
カシメ穴とカシメ突起とを所定角度、或いは、所
定間隔で配設し、積層コアーの外径を打抜きする
際、プレス型のダイを回転させ、カシメ穴にカシ
メ突起が嵌合圧入するようにして回転機鉄心を構
成するようにしたので、板厚偏差による回転機鉄
心の傾きが防止でき、積層精度の高い回転機鉄心
が得られる効果がある。
As described above, according to the present invention, the caulking hole and the caulking protrusion of the laminated core are arranged at a predetermined angle or at a predetermined interval, and when punching the outer diameter of the laminated core, the die of the press mold is rotated, Since the rotating machine core is configured such that the caulking protrusions are press-fitted into the caulking holes, tilting of the rotating machine core due to plate thickness deviation can be prevented, and a rotating machine core with high lamination accuracy can be obtained. .

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの発明の一実施例による回転機鉄心
を構成する積層コアーの打抜き工程を示す平面
図、第2図は、この発明の一実施例による積層コ
アーの平面図、第3図はこの発明の一実施例によ
る、カシメ部を示す部分断面図、第4図は従来の
積層方法による回転機鉄心の側面図、第5図は従
来の積層コアーの打抜き工程を示す平面図、第6
図は一般的に用いられているパンチ駆動部を示す
平面図である。 図において、1は回転機鉄心、2は積層コア
ー、7はカシメ穴、8はカシメ突起、θ1,θ2は所
定角度である。なお、図中、同一符号は同一、ま
たは相当部分を示す。
FIG. 1 is a plan view showing the punching process of a laminated core constituting a rotating machine iron core according to an embodiment of the present invention, FIG. 2 is a plan view of a laminated core according to an embodiment of the present invention, and FIG. FIG. 4 is a side view of a rotating machine core obtained by a conventional lamination method; FIG. 5 is a plan view showing a conventional laminated core punching process; FIG.
The figure is a plan view showing a commonly used punch drive unit. In the figure, 1 is a rotating machine core, 2 is a laminated core, 7 is a caulking hole, 8 is a caulking projection, and θ 1 and θ 2 are predetermined angles. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims (1)

【特許請求の範囲】[Claims] 1 積層コアーにカシメ穴とカシメ突起を設け、
カシメ穴にカシメ突起を順次嵌合圧入して構成す
る回転機鉄心を製造するプレス型において、積層
するコアーにカシメ穴とカシメ突起を相隣接する
ように所定角度或いは、所定間隔で所要個数だけ
配設するように打抜き、成形する工程と前記カシ
メ穴に積層するコアーのカシメ突起を嵌合圧入出
来るように、順次、積層コアーを所定角度或い
は、所定間隔づつ回転して積層固着するようにし
た抜工程とを有することを特徴とするプレス型。
1 Providing caulking holes and caulking protrusions in the laminated core,
In a press mold for manufacturing a rotating machine core, which is constructed by sequentially fitting and press-fitting caulking protrusions into caulking holes, the required number of caulking holes and caulking protrusions are arranged adjacent to each other at a predetermined angle or at a predetermined interval on the stacked cores. A step of punching and forming the cores to form a shape, and a punching process in which the laminated cores are successively rotated at a predetermined angle or at a predetermined interval so that the caulking protrusions of the laminated cores can be fitted and press-fitted into the caulking holes, and the laminated cores are laminated and fixed. A press mold characterized by having a process.
JP8013587A 1987-04-01 1987-04-01 Press die Granted JPS63248528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8013587A JPS63248528A (en) 1987-04-01 1987-04-01 Press die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8013587A JPS63248528A (en) 1987-04-01 1987-04-01 Press die

Publications (2)

Publication Number Publication Date
JPS63248528A JPS63248528A (en) 1988-10-14
JPH0518655B2 true JPH0518655B2 (en) 1993-03-12

Family

ID=13709803

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8013587A Granted JPS63248528A (en) 1987-04-01 1987-04-01 Press die

Country Status (1)

Country Link
JP (1) JPS63248528A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6852189B2 (en) 2001-12-25 2005-02-08 Institute Of Technology Precision Electrical Discharge Work's Method and apparatus for manufacturing laminates
JP2008253135A (en) * 2008-07-09 2008-10-16 Mitsui High Tec Inc Laminated core
BRPI1102872B1 (en) * 2011-06-22 2019-07-30 Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda. FORMATION OF A PACKAGE OF OVERLAPED METAL BLADES
NL1043110B1 (en) * 2018-12-24 2020-07-21 Bosch Gmbh Robert Process for manufacturing a laminate of stacked metal parts including a multi-layer blanking process step
JP7154264B2 (en) * 2020-10-06 2022-10-17 三菱電機株式会社 CORE ELEMENT MANUFACTURING METHOD AND MANUFACTURING APPARATUS
JP2024040764A (en) * 2022-09-13 2024-03-26 株式会社デンソー Core of rotating electrical machine and rotating electrical machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56129557A (en) * 1980-03-14 1981-10-09 Mitsui Haitetsuku:Kk Manufacture of laminated core for stator
JPS5725956A (en) * 1980-06-16 1982-02-10 Ibm Manufacture of uniform laminated structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164459U (en) * 1983-04-18 1984-11-05 株式会社東芝 Stator core of rotating electric machine
JPS62107404U (en) * 1985-12-25 1987-07-09
JPS62172245U (en) * 1986-04-18 1987-10-31

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56129557A (en) * 1980-03-14 1981-10-09 Mitsui Haitetsuku:Kk Manufacture of laminated core for stator
JPS5725956A (en) * 1980-06-16 1982-02-10 Ibm Manufacture of uniform laminated structure

Also Published As

Publication number Publication date
JPS63248528A (en) 1988-10-14

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