JP2706535B2 - Method of manufacturing adduction motor stator - Google Patents
Method of manufacturing adduction motor statorInfo
- Publication number
- JP2706535B2 JP2706535B2 JP1259249A JP25924989A JP2706535B2 JP 2706535 B2 JP2706535 B2 JP 2706535B2 JP 1259249 A JP1259249 A JP 1259249A JP 25924989 A JP25924989 A JP 25924989A JP 2706535 B2 JP2706535 B2 JP 2706535B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- inner peripheral
- tooth
- bridging
- tooth 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
Links
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は家電製品等のファン駆動用等に使用される内
転型電動機固定子の製造方法に関するものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing an adduction type motor stator used for driving a fan of home electric appliances or the like.
従来の技術 一般に固定子鉄心を継鉄部と歯部とに分離する方式の
内転型電動機固定子は、歯部鉄心に直巻により巻線導体
を巻装する必要があることから歯部外周に開口を設け、
内周部を連結して保持する必要がある。2. Description of the Related Art In general, an inversion type motor stator in which a stator core is separated into a yoke portion and a tooth portion has a need to wind a winding conductor by a straight winding around the tooth core, so that the outer periphery of the tooth portion is required. An opening in the
It is necessary to connect and hold the inner periphery.
従来この種の内転型電動機固定子は第10図および第11
図に示すように、内周縁部に橋絡部101を有する鉄心板1
02と橋絡部を有さない鉄心板103を任意に組み合わせて
積層し歯部鉄心を一体に保持するか、または第12図〜第
14図に示すように内周縁部に橋絡部を有さない鉄心板10
3を積層し、非磁性材料104により内周縁部を固着するこ
とにより歯部鉄心を一体に保持した後、直巻により巻線
導体105を絶縁物を介して巻装し継鉄部鉄心107の内周部
へ嵌装して構成していた。Conventionally, this type of adduction motor stator is shown in Figs.
As shown in the drawing, an iron core plate 1 having a bridging portion 101 on an inner peripheral edge portion is provided.
02 and the iron core plate 103 having no bridging part are arbitrarily combined and laminated to hold the tooth cores integrally, or FIG. 12 to FIG.
As shown in Fig. 14, an iron core plate 10 having no bridging part
3 is laminated, and the tooth core is held together by fixing the inner peripheral edge with the non-magnetic material 104, and then the winding conductor 105 is wound through an insulator by series winding to form the yoke core 107. It was configured to be fitted to the inner periphery.
発明が解決しようとする課題 このような従来の構成では、第10図および第11図，第
14図に示すように歯部鉄心内周縁部に橋絡部101がある
と巻装した巻線導体105を励磁することにより発生した
磁束が前記橋絡部101で飽和した後に回転子（図示せ
ず）側へ向うことになり有効磁束が減少し、電動機の効
率が低下するという課題があった。Problems to be Solved by the Invention In such a conventional configuration, FIG. 10 and FIG.
As shown in FIG. 14, when there is a bridging portion 101 on the inner peripheral edge of the tooth core, the rotor (not shown) is used after the magnetic flux generated by exciting the wound winding conductor 105 is saturated at the bridging portion 101. )), The effective magnetic flux decreases, and the efficiency of the motor decreases.
また第12図〜第14図のように、歯部鉄心内周部に橋絡
部がなく非磁性材料104により固着する構造において
は、巻線導体105の極数に応じた複数の歯相互間に空隙1
08を有するため、磁束の漏れは少なく電動機の効率は確
保される。しかし複数の歯それぞれが完全に独立して積
層されるため非磁性材料104による成型固着工程が複雑
で作業能率が非常に悪いという課題があった。Further, as shown in FIGS. 12 to 14, in a structure in which there is no bridging portion in the inner peripheral portion of the tooth core and the non-magnetic material 104 is used, a plurality of teeth between the plurality of teeth corresponding to the number of poles of the winding conductor 105 are provided. To void 1
08, the leakage of magnetic flux is small and the efficiency of the motor is secured. However, since the plurality of teeth are completely independently laminated, there is a problem that the molding and fixing process using the non-magnetic material 104 is complicated and the working efficiency is extremely poor.
本発明はこのような課題を解決するもので、電動機の
効率を確保し、簡単な工程で行なうことができ自動化の
容易な電動機固定子の製造方法を提供することを目的と
するものである。SUMMARY OF THE INVENTION An object of the present invention is to provide a method for manufacturing a motor stator that can ensure the efficiency of a motor, can be performed in a simple process, and can be easily automated.
課題を解決するための手段 この課題を解決するために本発明の手段は、回転子穴
の外周に放射状に設けられた複数の歯を有する歯部鉄心
と、この歯部鉄心の外周部へ嵌合され磁路を形成する継
鉄部鉄心を備え、前記歯部鉄心は相隣接する歯および継
鉄部鉄心により形成されるスロットの内周部側に開口部
を設け、この内周開口部側のスロット内において相隣接
する歯相互が橋絡・連結されたＡ鉄心板と相隣接する歯
が橋絡・連結部を全く有さないＢ鉄心板とを任意に積層
固着して構成され、前記歯部鉄心の内周縁部と表裏面等
を非磁性材料により一体にモールド固着した後、前記内
周開口部側のスロット内に設けられた橋絡・連結部を切
除する工程を有した構成としたものである。Means for Solving the Problems In order to solve this problem, the means of the present invention includes a tooth core having a plurality of teeth radially provided on an outer periphery of a rotor hole, and a tooth core fitted to an outer peripheral portion of the tooth core. A yoke core forming a magnetic path, wherein the tooth core has an opening on the inner peripheral side of a slot formed by adjacent teeth and the yoke core, and the inner peripheral opening side In the slot, adjacent teeth are bridged and connected, and an A core plate and adjacent teeth are arbitrarily laminated and fixed to a B core plate having no bridging / connection portion, and After integrally molding and fixing the inner peripheral edge and the front and back surfaces of the tooth core with a non-magnetic material, the method includes a step of cutting off a bridging / connecting portion provided in the slot on the inner peripheral opening side. It was done.
作用 上記第１の手段の構成により鉄心打抜き工程で歯部鉄
心は、積層した任意枚数のＡ鉄心板の内周開口部側のス
ロット内において相隣接する歯相互が橋絡・連結され一
体に保持されており、非磁性材料による固着工程で前記
歯部鉄心の内周縁部と表裏面等を一体にモールド保持し
た後、前記橋絡・連結部が打抜き切除される。このよう
に前記いづれの工程においても、歯部鉄心は分割されず
一体に保持されるため、各工程の作業が簡略化される。
また前記歯部鉄心は相隣接する歯相互がすべて磁気的に
分離され、非磁性材料により連結されるため磁束のモレ
も非常に小さくなる。According to the configuration of the first means, in the iron core punching step, the adjacent teeth are bridged and connected to each other in the slots on the inner peripheral opening side of the laminated arbitrary number of A core plates, and are integrally held. After the inner peripheral edge and the front and back surfaces of the tooth core are integrally molded and held in a fixing step using a non-magnetic material, the bridging / connecting portion is punched and cut. As described above, in any of the above steps, the tooth cores are not divided and are held together, so that the work of each step is simplified.
Further, in the tooth core, adjacent teeth are all magnetically separated from each other and are connected by a non-magnetic material, so that leakage of magnetic flux is very small.
実 施 例 以下本発明の第１実施例を第１〜第７図にもとづき説
明する。Embodiment 1 Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.
第１図，第２図，第６図において回転子（図示せず）
が入る回転子穴１の外方に向け放射状に複数個の歯２を
配置し、相隣接する歯２と継鉄部鉄心３の内周部とによ
り形成されるスロット４の内周縁部にはすべて開口部５
が設けられ、この開口部５側のスロット４内において前
記相隣接する歯２が橋絡・連結部６を有するＡ鉄心板７
と橋絡・連結部６を持たないＢ鉄心板８とを任意の枚数
づつ打抜き積層し歯部鉄心９を構成する。第３図，第４
図において前記歯部鉄心は、内周側開口部側５のスロッ
ト４内に設けられた橋絡・連結部６を有したまま非磁性
材料11により内周縁部および表裏面を一体モールドされ
て構成される。第５図は前記橋絡・連結部６を切除した
もので相隣接する歯２は、その内周縁部において非磁性
材料11によりモールドされ一体に連結保持されて構成さ
れる。第７図は、第５図の歯部鉄心９に対しスロット４
の外周側開口部12から、巻線導体13を絶縁性材料14を介
して直巻装され、前記歯部鉄心９の外周部に継鉄部鉄心
３が圧入嵌合されている。Rotor (not shown) in FIGS. 1, 2 and 6
A plurality of teeth 2 are arranged radially outward of the rotor hole 1 into which the groove 4 enters, and the inner peripheral edge of the slot 4 formed by the adjacent teeth 2 and the inner peripheral portion of the yoke core 3 All openings 5
In the slot 4 on the side of the opening 5, the adjacent teeth 2 have an A core plate 7 having a bridging / connecting portion 6.
And an arbitrary number of B core plates 8 having no bridging / connecting portions 6 are punched and laminated to form a tooth core 9. FIG. 3, FIG.
In the figure, the tooth core is formed by integrally molding the inner peripheral edge and the front and back surfaces of the tooth core with the nonmagnetic material 11 while having the bridging / connecting portion 6 provided in the slot 4 on the inner peripheral opening 5 side. Is done. FIG. 5 is a view in which the bridging / connecting portion 6 is cut away, and adjacent teeth 2 are molded with a non-magnetic material 11 at the inner peripheral edge thereof and are integrally connected and held. FIG. 7 shows a slot 4 with respect to the tooth core 9 of FIG.
A winding conductor 13 is directly wound around an outer peripheral side opening 12 via an insulating material 14, and the yoke core 3 is press-fitted around the outer periphery of the tooth core 9.
上記の構成において、歯部鉄心９は鉄心の打抜き積層
工程で相隣接する歯２相互が内周側の開口部５側のスロ
ット４内で橋絡・連結されたＡ鉄心板７と橋絡・連結部
６を持たないＢ鉄心板８とが任意の枚数づつ積層される
ため一体に保持され、次の非磁性材料11によるモールド
固着工程においても取扱いが容易となり、モールド固着
作業が簡略化される。このモールド固着作業完了後、前
記歯部鉄心９の橋絡・連結部６は打抜き切除されるが、
その内周縁部において非磁性材料11により一体に連結，
保持される。したがって、この後の巻線巻装工程，継鉄
部鉄心３の圧入工程等においても極めて容易に作業を実
施することができることになる。また継鉄部鉄心３の圧
入完了後、歯部鉄心９の相隣接する歯２相互はその内周
縁部において非磁性材料により連結されており、したが
って磁気的には分離されることになり巻線導体13に電流
が流れ発生した磁束のうち隣極または隣接する歯にモレ
る磁束は極めて少なくなる。In the above-described configuration, the tooth core 9 is bridged with the A core plate 7 in which the adjacent teeth 2 are bridged and connected in the slot 4 on the inner peripheral side opening 5 side in the core punching and laminating step. An arbitrary number of the B iron core plates 8 having no connecting portion 6 are laminated and held together because they are stacked in an arbitrary number, so that handling is easy even in the subsequent mold fixing step using the non-magnetic material 11, and the mold fixing work is simplified. . After the completion of the mold fixing operation, the bridging / connecting portion 6 of the tooth core 9 is punched and cut.
The inner periphery is integrally connected by a non-magnetic material 11,
Will be retained. Therefore, the work can be extremely easily performed in the subsequent winding process, the press-fitting process of the yoke core 3, and the like. After press-fitting of the yoke core 3, the adjacent teeth 2 of the tooth core 9 are connected to each other by a non-magnetic material at an inner peripheral edge thereof, so that they are magnetically separated from each other. Of the magnetic flux generated by the current flowing through the conductor 13, the magnetic flux leaking to the adjacent pole or adjacent tooth is extremely small.
次に本発明の第２実施例を第６図〜第９図について説
明する。なお第１実施例と同一部分には同一記号を付し
その詳細な説明は省略する。図において歯部鉄心９は内
周縁部の開口部５側のスロット４内において前記相隣接
する歯２が半抜き状態の橋絡・連結部６を有するＡ鉄心
板７と橋絡・連結部６を持たないＢ鉄心板８とを任意の
枚数づつ打抜き積層し、前記歯部鉄心９を構成する。Next, a second embodiment of the present invention will be described with reference to FIGS. The same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted. In the figure, a tooth core 9 is provided with an A core plate 7 and a bridge / connection portion 6 having a bridge / connection portion 6 in which the adjacent teeth 2 are half-punched in the slot 4 on the side of the opening 5 at the inner peripheral edge. The iron core 9 is formed by punching and laminating an arbitrary number of B core plates 8 having no teeth.
上記の構成において、歯部鉄心９は非磁性材料11によ
るモールド固着工程の後、前記の橋絡・連結部分６が打
抜き切除されるが、半抜き状態となっているため極めて
容易に前記の打抜き切除できる。その他の動作について
は第１実施例と同等であるので説明は省略する。In the above-described configuration, the bridging / connecting portion 6 of the tooth core 9 is punched and cut off after the mold fixing step using the non-magnetic material 11, but the punching / cutting is extremely easy because the bridge / connecting portion 6 is in a half-cut state. Can be resected. The other operations are the same as those in the first embodiment, and a description thereof will be omitted.
発明の効果 以上の実施例から明らかなように本発明によれば、歯
部鉄心内周縁部の開口部側のスロット内において、相隣
接する歯を浜絡・連結し前記歯部鉄心を一体に保持する
ことにより非磁性材料によるモールド固着工程で、歯部
鉄心の取扱いが容易になることから作業が簡略化され、
この工程完了後、前記橋絡・連結部は打抜き切除される
が、歯部鉄心内周縁部において非磁性材料により一体に
保持されることから、巻線巻装工程においても容易に作
業が行なえることになるとともに、全ての固定子スロッ
トは内周縁部に開口部を有し磁気的に分離されることか
ら、モレ磁束は非常に僅かであり、電動機の効率も確保
されることになる。Advantageous Effects of the Invention As is apparent from the above embodiments, according to the present invention, adjacent teeth are connected to each other in a slot on the opening side of the inner peripheral edge of the tooth core, and the tooth core is integrally formed. Holding makes it easier to handle the tooth core in the mold fixing process using a non-magnetic material, which simplifies the work,
After the completion of this step, the bridging / connecting portion is punched and cut. Since the inner periphery of the tooth core is integrally held by a non-magnetic material, the work can be easily performed even in the winding process. In addition, since all the stator slots have openings at the inner peripheral edge and are magnetically separated, the leakage magnetic flux is very small, and the efficiency of the motor is also ensured.
第１図は本発明の第１実施例を示す内転型電動機の歯部
鉄心の上面図、第２図は同内周側要部を示す図、第３図
は同モールド固着工程後の歯部鉄心上面の部分断面図、
第４図は同Ｘ−Ｏ−Ｘ′断面図、第５図は同橋絡・連結
部切除後の歯部鉄心上面の部分断面図、第６図は同継鉄
部鉄心の上面図、第７図は同固定子完成品の部分断面
図、第８図は本発明の第２実施例を示す歯部鉄心の上面
図、第９図は同内周側要部を示す図、第10図は従来の内
転型電動機の歯部鉄心の上面図、第11図は同内周側要部
を示す図、第12図は同モールド固着工程後の歯部鉄心上
面図、第13図は同内周側要部を示す図、第14図は同固定
子完成品の上面図である。 １……回転子穴、２……歯、３……継鉄部鉄心、４……
スロット、５……開口部（内周部）、６……橋絡・連結
部、７……Ａ鉄心板、８……Ｂ鉄心板、９……歯部鉄
心、11……非磁性材料、13……巻線導体。FIG. 1 is a top view of a tooth core of an adduction type electric motor showing a first embodiment of the present invention, FIG. 2 is a view showing an essential portion on the inner peripheral side, and FIG. 3 is a tooth after the mold fixing step. Partial sectional view of the upper part of the core,
FIG. 4 is a cross-sectional view of the same XOX-X ', FIG. 5 is a partial cross-sectional view of the upper surface of the tooth core after cutting the bridging / connecting portion, and FIG. FIG. 7 is a partial cross-sectional view of the completed stator, FIG. 8 is a top view of a tooth core showing a second embodiment of the present invention, FIG. Is a top view of a tooth core of a conventional adduction type electric motor, FIG. 11 is a view showing a main part on the inner circumference side, FIG. 12 is a top view of a tooth core after the mold fixing step, and FIG. FIG. 14 is a top view of the completed stator of the stator, showing a main part on the inner circumference side. 1 ... rotor hole, 2 ... teeth, 3 ... core of yoke, 4 ...
Slot, 5: Opening (inner circumference), 6: Bridge / connecting part, 7: A core plate, 8: B core plate, 9: Tooth core, 11: Non-magnetic material, 13 ... Wound conductor.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐藤 宗忠 大阪府大阪市城東区今福西６丁目２番61 号 松下精工株式会社内 (72)発明者 渡辺 秀幸 大阪府門真市大字門真1006番地 松下電 器産業株式会社内 (56)参考文献 特開 昭63−299740（ＪＰ，Ａ) 特開 昭63−224651（ＪＰ，Ａ) 特開 平１−138953（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Munetada Sato 6-2-61 Imafukunishi, Joto-ku, Osaka-shi, Osaka Inside Matsushita Seiko Co., Ltd. (56) References JP-A-63-299740 (JP, A) JP-A-63-224651 (JP, A) JP-A-1-138953 (JP, A)
Claims (1)
の歯を有する歯部鉄心と、この歯部鉄心の外周部へ嵌合
され磁路を形成する継鉄部鉄心を備え、前記歯部鉄心は
相隣接する歯および継鉄部鉄心により形成されるスロッ
トの内周部側に開口部を設け、この内周開口部側のスロ
ット内において相隣接する歯相互が橋絡・連結されたＡ
鉄心板と相隣接する歯が橋絡・連結部を全く有さないＢ
鉄心板とを任意に積層固着して構成され、前記歯部鉄心
の内周縁部と表裏面等を非磁性材料により一体にモール
ド固着した後、前記内周開口部側のスロット内に設けら
れた橋絡・連結部を切除する工程を有する内転型電動機
固定子の製造方法。1. A tooth core having a plurality of teeth radially provided on an outer periphery of a rotor hole, and a yoke iron core fitted to an outer periphery of the tooth core to form a magnetic path. The tooth core has an opening on the inner peripheral side of a slot formed by adjacent teeth and the yoke iron core, and adjacent teeth are bridged and connected in the slot on the inner peripheral opening side. A
Teeth adjacent to the iron plate have no bridging / connecting parts at all B
An iron core plate is arbitrarily laminated and fixed, and the inner peripheral edge and the front and back surfaces of the tooth core are integrally molded and fixed with a non-magnetic material, and then provided in the slot on the inner peripheral opening side. A method for manufacturing an adduction motor stator having a step of removing a bridging / connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1259249A JP2706535B2 (en) | 1989-10-03 | 1989-10-03 | Method of manufacturing adduction motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1259249A JP2706535B2 (en) | 1989-10-03 | 1989-10-03 | Method of manufacturing adduction motor stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03124245A JPH03124245A (en) | 1991-05-27 |
| JP2706535B2 true JP2706535B2 (en) | 1998-01-28 |
Family
ID=17331480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1259249A Expired - Lifetime JP2706535B2 (en) | 1989-10-03 | 1989-10-03 | Method of manufacturing adduction motor stator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2706535B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2763647B2 (en) * | 1990-03-29 | 1998-06-11 | 松下精工株式会社 | Manufacturing method of motor stator |
| JP2763656B2 (en) * | 1990-06-26 | 1998-06-11 | 松下精工株式会社 | Manufacturing method of motor stator |
| JPH04295256A (en) * | 1991-03-20 | 1992-10-20 | Mitsubishi Electric Corp | Stator for motor |
| US5694143A (en) | 1994-06-02 | 1997-12-02 | Accelerix Limited | Single chip frame buffer and graphics accelerator |
| JP4534420B2 (en) * | 2003-02-04 | 2010-09-01 | 日本電産株式会社 | STATOR, RELATED DEVICE EQUIPPED WITH THE SAME, AND STATOR MANUFACTURING METHOD |
| JP4869027B2 (en) * | 2006-11-01 | 2012-02-01 | モレックス インコーポレイテド | Cable connector |
| JP5440423B2 (en) * | 2010-07-06 | 2014-03-12 | 株式会社デンソー | Rotating electric machine |
| CN203312934U (en) * | 2013-05-16 | 2013-11-27 | 张嘉宏 | Motor stator with improved structure |
| FR3020192B1 (en) * | 2014-04-17 | 2018-01-12 | Valeo Equipements Electriques Moteur | ELECTRIC MACHINE STATOR WITH RECOVERED CYLINDER HEAD AND METHOD FOR PRODUCING THE CORRESPONDING STATOR |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63224651A (en) * | 1987-03-11 | 1988-09-19 | Matsushita Seiko Co Ltd | Manufacture of inner rotor type motor stator |
| JPS63299740A (en) * | 1987-05-28 | 1988-12-07 | Shibaura Eng Works Co Ltd | Motor |
| JPH01138953A (en) * | 1987-11-26 | 1989-05-31 | Toshiba Corp | Manufacture of stator for rotary electric machine |
-
1989
- 1989-10-03 JP JP1259249A patent/JP2706535B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03124245A (en) | 1991-05-27 |
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