JP2000153319A - Press die for punching blank for iron core of motor and punching method - Google Patents

Press die for punching blank for iron core of motor and punching method

Info

Publication number
JP2000153319A
JP2000153319A JP10328737A JP32873798A JP2000153319A JP 2000153319 A JP2000153319 A JP 2000153319A JP 10328737 A JP10328737 A JP 10328737A JP 32873798 A JP32873798 A JP 32873798A JP 2000153319 A JP2000153319 A JP 2000153319A
Authority
JP
Japan
Prior art keywords
die
shaft hole
punch
stripper
key groove
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.)
Pending
Application number
JP10328737A
Other languages
Japanese (ja)
Inventor
Katsumi Kinoshita
克巳 木下
Katsumi Mizutani
克己 水谷
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP10328737A priority Critical patent/JP2000153319A/en
Publication of JP2000153319A publication Critical patent/JP2000153319A/en
Pending legal-status Critical Current

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  • Punching Or Piercing (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a press die and punching method for forming an iron core without steps even when the blanks for the iron core are punched from band-shaped electric steel sheets having thickness deviation and laminated. SOLUTION: This die is the press die consisting of a stripper 5 which is arranged in the inside of an outer peripheral die 4, which is fixed in the lower part of an upper die 60, and fixed to the upper die, a shaft hole/key way die 23 which is arranged in the inside of the outer peripheral punch 24, which is fixed in upper part of a lower die 90, and fixed to the lower die and an outer peripheral stripper 8 which is arranged between the outer periphery of the outer peripheral punch and the outer periphery of the shaft hole/key way die. This press die is provided with the shaft hole punch 15 which is arranged in the middle part of the stripper 5, key way punch 16 which is arranged on the outer periphery of this shaft hole punch, index gear cam 19 which is arranged in the upper part of the outer periphery of the shaft hole punch, connecting rod 21 at the tip of which a click 20 for intermittentlly rotating this index gear cam, shaft hole stripper 25 which is arranged on inner periphery the shaft hole/key way die, shaft hole/key way stripper 26 which is arranged at one end of this shaft hole stripper and link mechanism 30, for reciprocating the connecting rod, whose both ends are supported with the upper and lower dies.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、帯状の電磁鋼板か
らモータ用の鉄心抜板を打ち抜くプレス型及び打抜き方
法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a press die and a punching method for punching an iron core blank for a motor from a strip-shaped electromagnetic steel plate.

【0002】[0002]

【従来の技術】従来の帯状の電磁鋼板からモータ用の鉄
心抜板を打ち抜くプレス型について図7及び図8を参照
して説明する。図7において、プレス機械11には上型6
と下型9が設置され、該上型6と下型9間には帯状の電
磁鋼板10が搬送される。上型6の下部には、外周ダイ4
が固定され該外周ダイ4の内側にストリッパ5が配設上
型6に固定されている。このストリッパ5の上部にはバ
ッキングプレート3とポンチプレート2が順に上型6に
固定され、前記ストリッパ5及びポンチプレート2の中
央部を貫通状態で軸穴キー溝ポンチ1が上型6に固定さ
れている。この軸穴キー溝ポンチ1の下端面は、外周ダ
イ4,ストリッパ5下面と同一面になっている。
2. Description of the Related Art A conventional press die for punching an iron core blank for a motor from a strip-shaped electromagnetic steel plate will be described with reference to FIGS. In FIG. 7, the upper die 6 is
The lower die 9 is installed, and a belt-shaped electromagnetic steel sheet 10 is transported between the upper die 6 and the lower die 9. At the lower part of the upper die 6, there is an outer die 4.
And a stripper 5 is fixed to the upper die 6 inside the outer peripheral die 4. The backing plate 3 and the punch plate 2 are fixed to the upper die 6 in this order on the upper part of the stripper 5, and the shaft hole key groove punch 1 is fixed to the upper die 6 while passing through the center of the stripper 5 and the punch plate 2. ing. The lower end surface of the shaft hole key groove punch 1 is flush with the lower surface of the outer peripheral die 4 and the stripper 5.

【0003】一方、下型9の上部には外周ポンチ24が固
定され、この外周ポンチ24の内側には軸穴キー溝ダイ23
が配設され下型9に固定されている。前記外周ポンチ24
の外周と軸穴キー溝ダイ23外周間には外周ストリッパ8
が配設されてスプリングを介して下型9で支持され、こ
の外周ストリッパ8上面と外周ポンチ24及び軸穴キー溝
ダイ23の頭部が同一面になるように、外周ポンチ24及び
軸穴キー溝ダイ23の頭部は外周ストリッパ8を貫通して
いる。又、軸穴キー溝ダイ23内周には軸穴キー溝ストリ
ッパ7が配設されてスプリングを介して下型9で支持さ
れ、この軸穴キー溝ストリッパ7頭部と軸穴キー溝ダイ
23の頭部は同一面になっている。
On the other hand, an outer peripheral punch 24 is fixed to the upper part of the lower die 9, and a shaft hole key groove die 23 is provided inside the outer peripheral punch 24.
Are fixed to the lower mold 9. The outer periphery punch 24
Between the outer periphery of the shaft hole and the outer periphery of the shaft hole key groove die 23
Is disposed on the lower die 9 via a spring, and the outer peripheral punch 24 and the shaft hole key are positioned so that the upper surface of the outer peripheral stripper 8 and the head of the outer peripheral punch 24 and the shaft hole key groove die 23 are flush with each other. The head of the groove die 23 penetrates the outer peripheral stripper 8. A shaft hole key groove stripper 7 is provided on the inner periphery of the shaft hole key groove die 23 and supported by a lower die 9 via a spring. The head of the shaft hole key groove stripper 7 and the shaft hole key groove die
23 heads are flush.

【0004】この状態で電磁鋼板10は、プレス機械11が
上型6を下降させる毎にストリッパ5で押え付けられ、
軸穴キー溝ポンチ1及び外周ポンチ24によって図8
(a)に示すモータ用の鉄心抜板12−1〜12−4が順に
打ち抜かれる。
In this state, the magnetic steel sheet 10 is pressed by the stripper 5 every time the press machine 11 lowers the upper die 6,
FIG. 8 shows the shaft hole key groove punch 1 and the outer peripheral punch 24.
(A) The core punched plates 12-1 to 12-4 for the motor shown in FIG.

【0005】[0005]

【発明が解決しようとする課題】この打ち抜き作業で、
鉄心抜板12−1〜12−4のキー溝13位置は、電磁鋼板10
の流れ方向すなわち電磁鋼板10の製造時の圧延方向に対
して常に同じ位置で打ち抜きされる。この時、鉄心抜板
12−1〜12−4,……は、キー溝13を揃えて後工程で規
定枚数積層して鉄心を形成する為に、板厚偏差のある電
磁鋼板10を積層した場合は鉄心の外径両端で図8に示す
ような段差を生じ、形成された鉄心の倒れ,巻線収納不
良,モータ特性不良などの問題があった。
In this punching operation,
The positions of the key grooves 13 of the core blanks 12-1 to 12-4 are
, Ie, at the same position with respect to the rolling direction at the time of manufacturing the electromagnetic steel sheet 10. At this time, iron core punching
12-1 to 12-4,... Indicate the outer diameter of the iron core when the electromagnetic steel plates 10 having thickness deviations are stacked in order to form a core by aligning the key grooves 13 and laminating a specified number in the subsequent process. Steps as shown in FIG. 8 were generated at both ends, and there were problems such as the fall of the formed iron core, poor winding accommodation, and poor motor characteristics.

【0006】本発明は上記事情に鑑みて成されたもの
で、板厚偏差のある帯状の電磁鋼板から鉄心抜板を打抜
き積層しても段差のない鉄心を形成するプレス型及び打
抜き方法を提供することを目的とする。
The present invention has been made in view of the above circumstances, and provides a press die and a punching method for forming an iron core having no step even when punching and laminating an iron core punched from a strip-shaped electromagnetic steel sheet having a thickness deviation. The purpose is to do.

【0007】[0007]

【課題を解決するための手段】本発明におけるモータ用
鉄心抜板の打抜きプレス型は、請求項1では上型の下部
に外周ダイが固定され該外周ダイの内側に配設され上型
に固定されたストリッパと、このストリッパの上部で上
型に順に固定されバッキングプレート及びポンチプレー
トと、下型の上部に外周ポンチが固定され該外周ポンチ
の内側に配設され下型に固定された軸穴キー溝ダイと、
前記外周ポンチの外周と軸穴キー溝ダイ外周間に配設さ
れた外周ストリッパを有して成る打抜きプレス型で、前
記ストリッパの中央部に配設された軸穴ポンチと、この
軸穴ポンチの外周に配設されたキー溝ポンチと、前記軸
穴ポンチの外周上部に配設のインデックスギァカムと、
このインデックスギァカムを間欠回転させる爪を先端に
有する連結棒と、前記軸穴キー溝ダイ内周に配設された
軸穴ストリッパと、この軸穴ストリッパの一方端に配設
された軸穴キー溝ストリッパと、両端を上・下型に支持
され前記連結棒を往復動作させるリンク機構を具備する
ことを特徴とする。
According to a first aspect of the present invention, there is provided a punching press die for an iron core blank for a motor, wherein the outer die is fixed to a lower portion of the upper die, and is disposed inside the outer die and fixed to the upper die. A stripper, a backing plate and a punch plate which are sequentially fixed to the upper die at the upper part of the stripper, and an outer peripheral punch which is fixed to the upper part of the lower die and which is disposed inside the outer punch and fixed to the lower die. A keyway die,
A punching press die having an outer peripheral stripper disposed between the outer periphery of the outer peripheral punch and the outer periphery of the shaft hole key groove die; and a shaft hole punch disposed at the center of the stripper; A key groove punch disposed on the outer periphery, and an index gear cam disposed on an upper peripheral portion of the shaft hole punch,
A connecting rod having a claw at its tip for intermittently rotating the index gear cam; a shaft hole stripper provided on the inner periphery of the shaft hole key groove die; and a shaft hole key provided at one end of the shaft hole stripper. It is characterized by comprising a groove stripper and a link mechanism supported at both ends by upper and lower dies to reciprocate the connecting rod.

【0008】すると、キー溝が一枚ずつ所定角度を代え
て打抜きされ、この鉄心抜板をキー溝を揃えながら積層
して行くと板厚の厚側と板厚の薄側が交互に積層され
て、鉄心は傾斜のないものが形成される。この結果、従
来発生していた鉄心の倒れ,巻線収納不良,モータ特性
不良などの問題が皆無となる。
[0008] Then, the key grooves are punched one by one at a predetermined angle, and when the core blanks are laminated while aligning the key grooves, the thick side and the thin side are alternately laminated. The iron core is formed without inclination. As a result, there are no problems such as the fall of the iron core, the poor winding accommodation, and the poor motor characteristics which have conventionally occurred.

【0009】また請求項2では、上型と下型間に帯状の
電磁鋼板を搬送して鉄心抜板を打抜く方法において、前
記リンク機構による往復動作で連結棒先端の爪により間
欠回転されたインデックスギァカムによって鉄心抜板を
1枚毎に所定角度ずつ移動させキー溝を前記キー溝ポン
チで打ち抜く鉄心抜板の打抜方法である。この方法で請
求項1の作用効果が発生する。
According to a second aspect of the present invention, in the method of conveying a strip-shaped electromagnetic steel sheet between an upper mold and a lower mold and punching an iron core blank, the link mechanism is intermittently rotated by a claw at a tip end of a connecting rod by a reciprocating operation. This is a method of punching an iron core punched by moving an iron core punched by a predetermined angle for each sheet by an index gear cam and punching a key groove with the key groove punch. With this method, the operation and effect of the first aspect are generated.

【0010】更に請求項3は、前記連結棒の往復動作を
エアシリンダで構成した請求項1記載のモータ用鉄心抜
板の打抜きプレス型で、これでも請求項1と同様の作用
効果がある。
A third aspect of the present invention is a punching press die for punching a core for a motor according to the first aspect, wherein the reciprocating operation of the connecting rod is constituted by an air cylinder.

【0011】[0011]

【発明の実施の形態】(第1実施例)以下、本発明の第
1実施例を示すプレス型について図1乃至図5を参照
し、従来構成と同じものは同じ符号を使用して説明す
る。図1はプレス型の要部を示す側面図、図2はインデ
ックスギァカムを示す斜視図、図3はインデックスギァ
カムとキー溝ポンチを示す平面図と側面図、図4は帯状
の電磁鋼板から鉄心抜板を打抜いた状況説明図、図5は
鉄心抜板の積層状態説明図である。
DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) Hereinafter, a press die according to a first embodiment of the present invention will be described with reference to FIGS. . 1 is a side view showing a main part of a press die, FIG. 2 is a perspective view showing an index gear cam, FIG. 3 is a plan view and a side view showing an index gear cam and a key groove punch, and FIG. FIG. 5 is an explanatory view of a situation where the core punched sheet is punched out, and FIG.

【0012】図1において、図示しない送り装置の下流
にプレス機械11を設置する。このプレス機械11には上型
60と下型90が設置され、該上型60と下型90間には帯状の
電磁鋼板10が搬送される。上型60の下部には、外周ダイ
4が固定され該外周ダイ4の内側にはストリッパ5が配
設され上型60に固定されている。このストリッパ5の中
央部には軸穴ポンチ15があって該軸穴ポンチ15頭部に形
成された一部空間を介して上型60に固定されている。こ
の軸穴ポンチ15頭部の一方側空間には、外周ダイ4方向
に延設される連結棒21の先端に取付られた爪20が挿設さ
れ、この爪20下面と上面が一部で接面し且つ外周一方側
が連結棒21の先端に接して中央部が前記軸穴ポンチ15外
周に嵌合されたインデックスギァカム19が上型60に固定
されている。このインデックスギァカム19下部には、中
央部が軸穴ポンチ15外周に嵌合されバッキングプレート
3を介してポンチプレート2が上型6に固定されてい
る。
In FIG. 1, a press machine 11 is installed downstream of a feeder (not shown). This press machine 11 has an upper die
A lower mold 60 and a lower mold 90 are installed, and the belt-shaped electromagnetic steel sheet 10 is transported between the upper mold 60 and the lower mold 90. An outer peripheral die 4 is fixed to a lower portion of the upper die 60, and a stripper 5 is disposed inside the outer die 4 and fixed to the upper die 60. A shaft hole punch 15 is provided at the center of the stripper 5, and is fixed to the upper die 60 via a partial space formed at the head of the shaft hole punch 15. A claw 20 attached to the tip of a connecting rod 21 extending in the direction of the outer peripheral die 4 is inserted into one side space of the head of the shaft hole punch 15, and the lower surface and the upper surface of the claw 20 are partially connected. An index gear cam 19 which faces and has one end on the outer side in contact with the tip of the connecting rod 21 and a center part fitted on the outer periphery of the shaft hole punch 15 is fixed to the upper die 60. The center of the lower part of the index gear cam 19 is fitted to the outer periphery of the shaft hole punch 15, and the punch plate 2 is fixed to the upper die 6 via the backing plate 3.

【0013】又、爪20側のインデックスギァカム19下部
には、前記バッキングプレート3,ポンチプレート2,
ストリッパ5を貫通してスプリング18で支持された後述
するキー溝ポンチ16が前記ストリッパ5外周近傍に植設
されている。このキー溝ポンチ16の下端面は、外周ダイ
4,ストリッパ5,軸穴ポンチ15下面と同一面になって
いる。そしてインデックスギァカム19は図2に示すよう
に、外周に等配(図2では20等配)の歯35と、下面には
等配(図2では5等配)のカム山31が形成されていて、
歯35には連結棒21先端の爪20が係合している。
The backing plate 3, punch plate 2,
A key groove punch 16 to be described later, which is supported by a spring 18 and penetrates the stripper 5, is implanted near the outer periphery of the stripper 5. The lower end surface of the key groove punch 16 is flush with the outer die 4, the stripper 5, and the lower surface of the shaft hole punch 15. As shown in FIG. 2, the index gear cam 19 is formed with teeth 35 equally distributed on the outer periphery (20 equally distributed in FIG. 2) and cam ridges 31 equally distributed on the lower surface (5 equally distributed in FIG. 2). And
The claw 20 at the tip of the connecting rod 21 is engaged with the tooth 35.

【0014】一方、下型90の上部には外周ポンチ24が固
定され、この外周ポンチ24の内側には軸穴キー溝ダイ23
が配設され下型90に固定されている。前記外周ポンチ24
の外周と軸穴キー溝ダイ23外周間には外周ストリッパ8
が配設されてスプリングを介して下型90で支持され、こ
の外周ストリッパ8上面と外周ポンチ24及び軸穴キー溝
ダイ23の頭部が同一面になるように、外周ポンチ24及び
軸穴キー溝ダイ23の頭部は外周ストリッパ8を貫通して
いる。又、軸穴キー溝ダイ23内周には軸穴ストリッパ25
が配設されてスプリングを介して下型90で支持され、こ
の軸穴ストリッパ25頭部と軸穴キー溝ダイ23の頭部は同
一面になっている。そして、該軸穴ストリッパ25の一方
端には軸穴キー溝ストリッパ26が配設されてスプリング
を介して下型90で支持され、軸穴キー溝ストリッパ26頭
部と軸穴ストリッパ25頭部は同一面になっている。
On the other hand, an outer peripheral punch 24 is fixed to the upper part of the lower die 90, and a shaft hole key groove die 23 is provided inside the outer peripheral punch 24.
Are arranged and fixed to the lower mold 90. The outer periphery punch 24
Between the outer periphery of the shaft hole and the outer periphery of the shaft hole key groove die 23
Is disposed on the lower die 90 via a spring, and the outer peripheral punch 24 and the shaft hole key are positioned so that the upper surface of the outer peripheral stripper 8 and the head of the outer peripheral punch 24 and the shaft hole key groove die 23 are flush with each other. The head of the groove die 23 penetrates the outer peripheral stripper 8. Also, the shaft hole key groove die 23 has a shaft hole stripper 25
The shaft hole stripper 25 and the head of the shaft hole key groove die 23 are flush with each other and supported by a lower die 90 via a spring. A shaft hole key groove stripper 26 is provided at one end of the shaft hole stripper 25 and supported by a lower mold 90 via a spring.The head of the shaft hole key groove stripper 26 and the head of the shaft hole stripper 25 are They are on the same plane.

【0015】尚、上型60と下型90の間にはリンク機構30
が取付けられており、リンク機構30には前記爪20を先端
に持つ連結棒21と連結している。このように構成された
上型60と下型90により、帯状の電磁鋼板10からモータ用
の鉄心抜板の打抜きについて説明する。
A link mechanism 30 is provided between the upper mold 60 and the lower mold 90.
The link mechanism 30 is connected to a connecting rod 21 having the claw 20 at its tip. The punching of an iron core blank for a motor from the belt-shaped electromagnetic steel sheet 10 by the upper mold 60 and the lower mold 90 configured as described above will be described.

【0016】まず電磁鋼板10が送り装置14にセットされ
てプレス機械11の所定位置まで送られると、プレス機械
11のスライド33が下降してストリッパ5が、電磁鋼板10
を下型90の上面に押圧固定して、軸穴ポンチ15,キー溝
ポンチ16(a) ,外周ダイ4が電磁鋼板10を打ち抜く。上
型60が下降する時、リンク機構30により連結棒21が外側
に向って引出される。また上型60が上昇する時、リンク
機構30により連結棒21が内側に向って押し込まれ、先端
の爪20がインデックスギァカム19を規定角度の18度回転
させる。
First, when the magnetic steel sheet 10 is set on the feeder 14 and fed to a predetermined position of the press machine 11, the press machine
The slide 33 of 11 moves down and the stripper 5
Is pressed and fixed to the upper surface of the lower die 90, and the shaft hole punch 15, the key groove punch 16 (a), and the outer peripheral die 4 punch out the electromagnetic steel sheet 10. When the upper die 60 is lowered, the link rod 30 pulls the connecting rod 21 outward. When the upper die 60 is lifted, the connecting rod 21 is pushed inward by the link mechanism 30, and the claw 20 at the tip rotates the index gear cam 19 by a specified angle of 18 degrees.

【0017】これを図3を参照して説明する。今、イン
デックスギァカム19のカム山31(1)は0度の位置にあ
る。つまり0度の位置のキー溝ポンチ16(a) のみが打抜
きを行う。次に、上型60が上昇しインデックスギァカム
19が18度回転すると、カム山31(2) が90度の位置に達し
て上型60が下降し、90度の位置のキー溝ポンチ16(b) の
みが打抜きを行う。再度、上型60が上昇しインデックス
ギァカム19が18度回転すると、カム山31(3) が180 度の
位置に達し、180 度の位置のキー溝ポンチ16(c)のみが
打抜きを行う。これを繰り返すことで、0度,90度, 1
80度, 270度,0度,90度, 180度,………と位相が90
度ずつ異なった位置にキー溝が打ち抜かれる。このよう
に帯状の幅方向に板厚偏差を有する電磁鋼板10から打ち
抜かれた鉄心抜板12a-1〜12a-4(図4に示す)は、キ
ー溝を揃えて図5に示すように板厚の厚側と板厚の薄側
が交互に積層されて行くので、鉄心は傾斜のないものが
形成される。
This will be described with reference to FIG. Now, the cam peak 31 (1) of the index gear cam 19 is located at 0 degree. That is, only the key groove punch 16 (a) at the 0 degree position performs punching. Next, the upper mold 60 rises and the index gear cam
When 19 rotates by 18 degrees, the cam peak 31 (2) reaches the position of 90 degrees, the upper die 60 descends, and only the key groove punch 16 (b) at the position of 90 degrees performs punching. When the upper die 60 is raised again and the index gear cam 19 rotates by 18 degrees, the cam peak 31 (3) reaches the position of 180 degrees, and only the key groove punch 16 (c) at the position of 180 degrees performs punching. By repeating this, 0 degree, 90 degree, 1
80, 270, 0, 90, 180,.
Keyways are punched in different positions each time. The core punched sheets 12a-1 to 12a-4 (shown in FIG. 4) punched from the magnetic steel sheet 10 having the thickness deviation in the width direction of the strip as shown in FIG. Since the thick side and the thin side are alternately laminated, the iron core is formed without inclination.

【0018】この結果、従来発生していた鉄心の倒れ,
巻線収納不良,モータ特性不良などの問題が皆無とな
る。 (他の実施例)次に他の実施例を図6を参照して説明す
る。第1実施例と異なるのは、連結棒21の出し入れを前
記上型60と下型90とリンク機構30によるものに代えて、
エアシリンダ34により行う。これによっても第1実施例
と同様の効果が得られる。
As a result, the iron core collapse, which has conventionally occurred,
Problems such as poor winding accommodation and poor motor characteristics are eliminated. (Other Embodiment) Next, another embodiment will be described with reference to FIG. The difference from the first embodiment is that the connecting rod 21 is inserted and removed by the upper die 60, the lower die 90 and the link mechanism 30,
It is performed by the air cylinder 34. With this, the same effect as in the first embodiment can be obtained.

【0019】[0019]

【発明の効果】以上のように本発明によれば、帯状の幅
方向に板厚偏差を有する電磁鋼板をキー溝を90度毎に位
置変換しながら鉄心抜板が打ち抜かれ、キー溝を揃えて
板厚の厚側と板厚の薄側が交互に積層されて行くので、
鉄心は傾斜のないものが形成される。その結果、従来発
生していた鉄心の倒れ,巻線収納不良,モータ特性不良
などの問題が皆無となる。
As described above, according to the present invention, an iron core blank is punched out of a strip-shaped electromagnetic steel sheet having a thickness deviation in the width direction while the keyway is shifted every 90 degrees to align the keyways. Since the thick side of the sheet thickness and the thin side of the sheet thickness are alternately laminated,
An iron core having no inclination is formed. As a result, there are no problems such as the fall of the iron core, the poor winding accommodation, and the poor motor characteristics, which have conventionally occurred.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施例を示すプレス型の要部を示す
側面図、
FIG. 1 is a side view showing a main part of a press die showing one embodiment of the present invention;

【図2】インデックスギァカムを示す斜視図、FIG. 2 is a perspective view showing an index gear cam;

【図3】インデックスギァカムとキー溝ポンチを示す平
面図と側面図、
FIG. 3 is a plan view and a side view showing an index gear cam and a key groove punch;

【図4】帯状の電磁鋼板から鉄心抜板を打抜いた状況説
明図、
FIG. 4 is an explanatory view showing a state in which a core blank is punched from a strip-shaped electromagnetic steel sheet;

【図5】鉄心抜板の積層状態説明図、FIG. 5 is an explanatory view of a laminated state of a core punched sheet,

【図6】他の実施例を示す図1相当図、FIG. 6 is a diagram corresponding to FIG. 1 showing another embodiment,

【図7】従来例を示す図1相当図、FIG. 7 is a diagram corresponding to FIG. 1 showing a conventional example,

【図8】従来例を示す図4及び図5相当図。FIG. 8 is a diagram corresponding to FIGS. 4 and 5 showing a conventional example.

【符号の説明】[Explanation of symbols]

1…軸穴キー溝ポンチ、 2…ポンチプレー
ト、3…バッキングプレート、 4…外周ダ
イ、5…ストリッパ、 6,60…上
型、7…軸穴キー溝ストリッパ、 8…外周スト
リッパ、9,90…下型、 10…電磁
鋼板、12…鉄心抜板、 13…キー
溝、15…軸穴ポンチ、 16…キー溝ポ
ンチ、19…インデックスギァカム、 20…爪、21
…連結棒、 23…軸穴キー溝ダ
イ、24…外周ポンチ、 25…軸穴スト
リッパ、26…キー溝ストリッパ、 30…リン
ク機構、31…カム山。
DESCRIPTION OF SYMBOLS 1 ... Shaft hole key groove punch, 2 ... Punch plate, 3 ... Backing plate, 4 ... Peripheral die, 5 ... Stripper, 6, 60 ... Upper die, 7 ... Shaft hole key groove stripper, 8 ... Peripheral stripper, 9, 90 ... Lower die, 10 ... Electromagnetic steel sheet, 12 ... Punched core, 13 ... Key groove, 15 ... Shaft hole punch, 16 ... Key groove punch, 19 ... Index gear cam, 20 ... Claw, 21
... Connecting rod, 23 ... Shaft hole key groove die, 24 ... Outer peripheral punch, 25 ... Shaft hole stripper, 26 ... Key groove stripper, 30 ... Link mechanism, 31 ... Cam ridge.

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 上型の下部に外周ダイが固定され該外周
ダイの内側に配設され上型に固定されたストリッパと、
このストリッパの上部で上型に順に固定されバッキング
プレート及びポンチプレートと、下型の上部に外周ポン
チが固定され該外周ポンチの内側に配設され下型に固定
された軸穴キー溝ダイと、前記外周ポンチの外周と軸穴
キー溝ダイ外周間に配設された外周ストリッパを有して
成る打抜きプレス型において、前記ストリッパの中央部
に配設された軸穴ポンチと、この軸穴ポンチの外周に配
設されたキー溝ポンチと、前記軸穴ポンチの外周上部に
配設のインデックスギァカムと、このインデックスギァ
カムを間欠回転させる爪を先端に有する連結棒と、前記
軸穴キー溝ダイ内周に配設された軸穴ストリッパと、こ
の軸穴ストリッパの一方端に配設された軸穴キー溝スト
リッパと、両端を上・下型に支持され前記連結棒を往復
動作させるリンク機構を具備することを特徴とするモー
タ用鉄心抜板の打抜きプレス型。
An outer die fixed to a lower part of the upper die, a stripper disposed inside the outer die and fixed to the upper die,
A backing plate and a punch plate fixed in order to the upper die at the upper part of the stripper, an outer peripheral punch is fixed to the upper part of the lower die, and a shaft hole key groove die arranged inside the outer peripheral punch and fixed to the lower die, In a punching press die having an outer peripheral stripper disposed between an outer periphery of the outer peripheral punch and an outer periphery of a shaft hole key groove die, a shaft hole punch provided at a center portion of the stripper, A key groove punch disposed on the outer periphery, an index gear cam disposed on an upper part of the outer periphery of the shaft hole punch, a connecting rod having a claw at an end for intermittently rotating the index gear cam, and the shaft hole key groove die. A shaft hole stripper disposed on the inner periphery, a shaft hole key groove stripper disposed at one end of the shaft hole stripper, and a link for reciprocating the connecting rod with both ends supported by upper and lower dies. Stamping press type motor iron core punched, characterized in that it comprises a configuration.
【請求項2】 上型と下型間に帯状の電磁鋼板を搬送し
て鉄心抜板を打抜く方法において、前記リンク機構によ
る往復動作で連結棒先端の爪により間欠回転されたイン
デックスギァカムによって鉄心抜板を1枚毎に所定角度
ずつ移動させキー溝を前記キー溝ポンチで打ち抜くこと
を特徴とする鉄心抜板の打抜き方法。
2. A method of conveying a strip-shaped electromagnetic steel sheet between an upper die and a lower die and punching an iron core blank, wherein the index gear cam is intermittently rotated by a claw at a tip of a connecting rod in a reciprocating operation by the link mechanism. A method for punching an iron core, wherein the core punch is moved by a predetermined angle for each sheet and a key groove is punched by the key groove punch.
【請求項3】 前記連結棒の往復動作をエアシリンダで
構成した請求項1記載のモータ用鉄心抜板の打抜きプレ
ス型。
3. The punching press die according to claim 1, wherein the connecting rod is reciprocated by an air cylinder.
JP10328737A 1998-11-19 1998-11-19 Press die for punching blank for iron core of motor and punching method Pending JP2000153319A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10328737A JP2000153319A (en) 1998-11-19 1998-11-19 Press die for punching blank for iron core of motor and punching method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10328737A JP2000153319A (en) 1998-11-19 1998-11-19 Press die for punching blank for iron core of motor and punching method

Publications (1)

Publication Number Publication Date
JP2000153319A true JP2000153319A (en) 2000-06-06

Family

ID=18213622

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10328737A Pending JP2000153319A (en) 1998-11-19 1998-11-19 Press die for punching blank for iron core of motor and punching method

Country Status (1)

Country Link
JP (1) JP2000153319A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873209A (en) * 2012-10-17 2013-01-16 宁波震裕模具有限公司 Stamping device for carrying out groove-shaped rotation in multi-station progressive die
CN105834284A (en) * 2016-01-15 2016-08-10 苏州富强科技有限公司 Punching module for automobile instrument panel framework
CN105834275A (en) * 2016-01-15 2016-08-10 苏州富强科技有限公司 Vehicle instrument panel framework assembly accessory equipment
CN109127843A (en) * 2018-10-19 2019-01-04 深圳市超越激光智能装备股份有限公司 Stamping device and method with bidirectional walking mechanism
CN114769411A (en) * 2022-04-12 2022-07-22 扬州宝飞优斯特振动器制造有限公司 Punching manufacturing equipment for motor core punching sheet

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873209A (en) * 2012-10-17 2013-01-16 宁波震裕模具有限公司 Stamping device for carrying out groove-shaped rotation in multi-station progressive die
CN105834284A (en) * 2016-01-15 2016-08-10 苏州富强科技有限公司 Punching module for automobile instrument panel framework
CN105834275A (en) * 2016-01-15 2016-08-10 苏州富强科技有限公司 Vehicle instrument panel framework assembly accessory equipment
CN109127843A (en) * 2018-10-19 2019-01-04 深圳市超越激光智能装备股份有限公司 Stamping device and method with bidirectional walking mechanism
CN114769411A (en) * 2022-04-12 2022-07-22 扬州宝飞优斯特振动器制造有限公司 Punching manufacturing equipment for motor core punching sheet
CN114769411B (en) * 2022-04-12 2024-04-26 扬州宝飞优斯特振动器制造有限公司 Motor core punching sheet punching manufacturing equipment

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