JPH0942413A - Blade member and forming method therefor - Google Patents
Blade member and forming method thereforInfo
- Publication number
- JPH0942413A JPH0942413A JP7194787A JP19478795A JPH0942413A JP H0942413 A JPH0942413 A JP H0942413A JP 7194787 A JP7194787 A JP 7194787A JP 19478795 A JP19478795 A JP 19478795A JP H0942413 A JPH0942413 A JP H0942413A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- plate
- blade member
- pump
- portions
- 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
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、複数の羽根部が回
転することによりトルクの伝達を行う装置、例えば自動
変速機のトルクコンバータのポンプ或いはタービン内周
面に取付けられるような、複数の羽根部からなるブレー
ド部材、およびその成形方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for transmitting torque by rotating a plurality of blades, for example, a plurality of blades attached to a pump or a turbine inner peripheral surface of a torque converter of an automatic transmission. And a method for forming the same.
【０００２】[0002]
【従来の技術】複数の羽根部を備える装置の従来技術と
して、図７に特開平６−１２９５３０号公報に開示され
るトルクコンバータ２０の断面図を示す。上記公報に開
示されるトルクコンバータ２０は、エンジンからの駆動
力を伝達する入力軸２１に連結するポンプ２２と、ポン
プ２２の内周面に取り付けられたポンプ羽根部２３と、
変速装置に駆動力を伝達する出力軸２４に連結するター
ビン２５と、タービン２５の内周面に取り付けられたタ
ービン羽根部２６と、流体の流通路断面積を変化させる
べくポンプ２２の内周面にボルトにて取付けられた遮蔽
板２７と、を備えるものである。2. Description of the Related Art FIG. 7 shows a sectional view of a torque converter 20 disclosed in Japanese Patent Laid-Open No. 6-129530, as a prior art of a device having a plurality of blades. The torque converter 20 disclosed in the above publication includes a pump 22 connected to an input shaft 21 that transmits a driving force from an engine, a pump blade portion 23 attached to an inner peripheral surface of the pump 22,
A turbine 25 connected to an output shaft 24 that transmits a driving force to a transmission device, a turbine blade portion 26 attached to an inner peripheral surface of the turbine 25, and an inner peripheral surface of a pump 22 for changing a fluid passage cross-sectional area. And a shield plate 27 attached to the base plate with bolts.
【０００３】図８は図７のトルクコンバータ２０のポン
プ側正面図である。トルクコンバータ２０においては、
ポンプ２２からタービン２５へトルクを伝達するための
複数のポンプ羽根部２３が、ポンプ２２の内周面の取付
け部２２ａに１枚ずつ取り付けられており、ポンプ羽根
部２３の取付け片２３ａが環状のインナコア２８の取付
け孔２８ａに挿通した後に折り曲げられている。FIG. 8 is a pump side front view of the torque converter 20 of FIG. In the torque converter 20,
A plurality of pump blade portions 23 for transmitting torque from the pump 22 to the turbine 25 are attached one by one to the attachment portion 22a of the inner peripheral surface of the pump 22, and the attachment piece 23a of the pump blade portion 23 is annular. It is bent after being inserted into the mounting hole 28a of the inner core 28.
【０００４】[0004]
【本発明が解決する課題】上記従来の技術においては、
トルクコンバータのポンプおよびタービンの内周面に各
羽根部を１枚ずつ取り付けているために、羽根部の組付
けに時間がかかってしまう。また、ポンプおよびタービ
ンの内周の取付け孔と羽根部の組付け部分との間のクリ
アランスにより、羽根部の取付け時において羽根部の位
置やピッチが各羽根部毎でずれる恐れがある。SUMMARY OF THE INVENTION In the above conventional technique,
Since one blade is attached to each of the inner peripheral surfaces of the pump and the turbine of the torque converter, it takes time to assemble the blade. Further, due to the clearance between the mounting holes on the inner circumference of the pump and the turbine and the assembly portion of the blade portion, the position and pitch of the blade portion may be deviated for each blade portion when the blade portion is mounted.
【０００５】そこで本発明は、複数の羽根部を取付ける
際に要する時間を可及的に短縮するとともに、羽根部の
位置やピッチのずれを少なくすることを技術的課題とす
る。Therefore, it is a technical object of the present invention to shorten the time required for mounting a plurality of blades as much as possible and to reduce the deviation of the position and pitch of the blades.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
の請求項１は、１枚の鋼板を加工することにより、扇形
状の複数の羽根部と、羽根部が同一直線上にあるように
羽根部の弧の両端をそれぞれ連結する連結部と、からな
るブレード板を形成する形成工程と、ブレード板の各々
の羽根部の一端の連結部の折り曲げ量に対して他端の連
結部の折り曲げ量を大きくしてブレード板を円弧状に湾
曲させるとともに、ブレード板に対して羽根部を略垂直
に折り曲げる折り曲げ工程と、によりブレード部材を成
形する成形方法である。According to a first aspect of the present invention, a plurality of fan-shaped blade portions and a plurality of blade portions are formed on the same straight line by processing one steel plate. A step of forming a blade plate consisting of a connecting part for connecting both ends of the arc of the blade part, and a bending of the connecting part at the other end with respect to the bending amount of the connecting part at one end of each blade part of the blade plate This is a forming method of forming a blade member by a bending step of bending the blade plate into an arc shape by increasing the amount and bending the blade portion substantially perpendicular to the blade plate.
【０００７】請求項１の発明によると、ブレード部材は
１枚の鋼板から複数の羽根部を形成しているので、ブレ
ード部材の取付けに要する時間が少なくなるとともに、
各羽根部の位置やピッチのずれは殆どない。更に、形成
工程にて羽根部が同一直線上にあるように鋼板をプレス
加工しているので、材料歩留りが悪くなるのを防ぐこと
が可能になる。According to the first aspect of the invention, the blade member has a plurality of blades formed from a single steel plate, so that the time required for mounting the blade member is reduced and
There is almost no deviation in the position or pitch of each blade. Furthermore, since the steel plate is pressed so that the blade portions are on the same straight line in the forming step, it is possible to prevent the material yield from being deteriorated.
【０００８】請求項２の発明は、１枚の鋼板を加工する
ことにより、扇形状の複数の羽根部と、羽根部が同一直
線上にあるように羽根部の弧の両端をそれぞれ連結する
連結部と、からなるブレード板を形成する形成工程と、
ブレード板の各々の羽根部の一端の連結部の折り曲げ量
に対して他端の連結部の折り曲げ量を大きくしてブレー
ド板を円弧状に湾曲させるとともに、ブレード板に対し
て羽根部を略垂直に折り曲げる折り曲げ工程と、により
成形されるブレード部材である。According to the second aspect of the present invention, by processing one steel plate, a plurality of fan-shaped blade portions are connected to each other so as to connect both ends of the arc of the blade portions so that the blade portions are on the same straight line. And a forming step of forming a blade plate composed of
The blade plate is curved in an arc shape by increasing the bending amount of the connecting portion at the other end relative to the bending amount of the connecting portion at one end of each blade portion of the blade plate, and the blade portion is substantially perpendicular to the blade plate. The blade member is formed by a bending step of bending into a.
【０００９】請求項２によると、ブレード部材は複数の
羽根部を連結部にて一体に備えているので、ブレード部
材を組付ける際には複数の羽根部を一度に組付けること
が可能になり、ブレード部材の組付けに要する時間が少
なくなる。また、組付け時に各羽根部の位置及びピッチ
のずれが生じることがない。According to the second aspect, the blade member is integrally provided with a plurality of blade portions at the connecting portion. Therefore, when assembling the blade member, a plurality of blade portions can be assembled at once. The time required for assembling the blade member is reduced. Further, the position and pitch of the blades do not deviate during assembly.
【００１０】[0010]
【発明の実施の形態】以下、本発明の実施の形態を図面
を参照して説明する。本実施の形態では、複数の羽根部
をポンプ及びタービンの内周面に備えるトルクコンバー
タに、本発明のブレード部材を用いた場合について説明
する。Embodiments of the present invention will be described below with reference to the drawings. In the present embodiment, a case will be described in which the blade member of the present invention is used in a torque converter including a plurality of blades on the inner peripheral surfaces of a pump and a turbine.
【００１１】図１は本実施の形態におけるブレード部材
１０をトルクコンバータのポンプ側に取付けた時のポン
プ側正面図であり、図２は図１のＡ−Ａ断面図である。FIG. 1 is a pump-side front view when the blade member 10 according to the present embodiment is attached to the pump side of the torque converter, and FIG. 2 is a sectional view taken along line AA of FIG.
【００１２】始めに構成について説明する。エンジンか
らの駆動力を伝達する入力軸に連結するポンプ１３と、
変速装置に駆動力を伝達する出力軸に連結するタービン
（図示せず）と、ポンプ１３の内周面に取り付けられた
ブレード部材１０と、を有し、ブレード部材１０は複数
の扇形状の羽根部１１と、複数の羽根部１１の弧の両端
部近傍をそれぞれ連結するとともに、羽根部１１に対し
て略垂直な連結部１２と、ボルト１５にてポンプ１３の
内周面に取付けられた遮蔽板１４と、を備えるものであ
る。ここで、本実施の形態におけるブレード部材１０以
外の構成は図４に示す従来のトルクコンバータと同じ構
成である。First, the configuration will be described. A pump 13 connected to an input shaft for transmitting the driving force from the engine,
The transmission includes a turbine (not shown) connected to an output shaft that transmits a driving force to the transmission, and a blade member 10 attached to an inner peripheral surface of the pump 13. The blade member 10 has a plurality of fan-shaped blades. The shield is attached to the inner peripheral surface of the pump 13 by a bolt 12 and a connecting portion 12 that is substantially perpendicular to the blade portion 11 while connecting the portion 11 and the vicinity of both ends of the arc of the plurality of blade portions 11 respectively. And a plate 14. Here, the configuration other than the blade member 10 in the present embodiment is the same as that of the conventional torque converter shown in FIG.
【００１３】次に、本実施の形態におけるブレード部材
１０の成形方法について、図３から図６を用いて説明す
る。Next, a method of molding the blade member 10 in this embodiment will be described with reference to FIGS. 3 to 6.
【００１４】先ず、形成工程により、１枚の鋼板をプレ
ス加工して、扇形状の複数の羽根部１１と複数の羽根部
１１が同一直線上にあるように羽根部１１の弧の両端部
１１ａ近傍をそれぞれ連結する連結部１２と、からなる
ブレード板１０ａを形成する（図３）。次に、折り曲げ
工程にて、各々の羽根部１１の一端の連結部１２の折り
曲げ量に対して他端の連結部１２の折り曲げ量を大きく
することにより、ブレード板１０ａを円弧状に湾曲させ
るとともに（図４）、ブレード板１０ａに対して羽根部
１１を略垂直に折り曲げる（図５，図６）。上記の工程
によりブレード部材１０が成形される。ここで図４は、
ブレード部材１０の羽根部１１の形状がわかるように斜
視図となっており、図５および図６は図４のＡ視および
Ｂ視の一部拡大図である。図５および図６から、連結部
１２の折り曲げ量の違いがわかる。First, in the forming step, one steel plate is pressed to form a plurality of fan-shaped blade portions 11 and both end portions 11a of the arc of the blade portion 11 so that the blade portions 11 are on the same straight line. A blade plate 10a composed of connecting portions 12 for connecting the respective neighborhoods is formed (FIG. 3). Next, in the bending step, the blade plate 10a is curved in an arc shape by increasing the bending amount of the connecting portion 12 at the other end with respect to the bending amount of the connecting portion 12 at the one end of each blade 11. (FIG. 4), the blade portion 11 is bent substantially perpendicular to the blade plate 10a (FIGS. 5 and 6). The blade member 10 is molded by the above steps. Here, in FIG.
It is a perspective view so that the shape of the blade portion 11 of the blade member 10 can be seen, and FIGS. 5 and 6 are partially enlarged views of FIG. 5 and 6, the difference in the bending amount of the connecting portion 12 can be seen.
【００１５】上記の折り曲げ工程における鋼板の曲げ加
工は、予め決められた所定量だけ鋼板の連結部１２を曲
げるようにコンピュータ制御されるロボット（図示せ
ず）により行われている。The bending of the steel sheet in the above bending step is performed by a computer-controlled robot (not shown) so as to bend the connecting portion 12 of the steel sheet by a predetermined amount.
【００１６】このようにして成形されたブレード部材１
０は、溶接や接着、あるいはカシメ等によってトルクコ
ンバータのポンプ１３の内周面に取付けられる。The blade member 1 thus formed
0 is attached to the inner peripheral surface of the pump 13 of the torque converter by welding, adhesion, caulking or the like.
【００１７】尚、本実施の形態においては、ポンプ１３
の内周面全体に羽根部１１を設けるには、本実施の形態
のブレード部材１０が３つ必要になるように羽根部１１
の枚数を設定してあるが、特にこの枚数に限定する意図
はなく、１つのブレード部材でポンプの内周面全体に羽
根部が設けられるように設定してもよい。また、本実施
の形態では、図８の従来技術に示すような可変容量型ト
ルクコンバータに本発明のブレード部材を用いた場合を
示したが、トルクコンバータに用いることに限定する意
図はなく、複数の羽根部を備える装置であれば、どのよ
うな装置に用いてもよい。In the present embodiment, the pump 13
In order to provide the blade portion 11 on the entire inner peripheral surface of the blade portion, the blade portion 11 of the present embodiment requires three blade members 10.
The number of the blades is set, but there is no particular limitation to this number, and one blade member may be set so that the blade portion is provided on the entire inner peripheral surface of the pump. Further, in the present embodiment, the case where the blade member of the present invention is used in the variable displacement torque converter as shown in the prior art of FIG. 8 is shown, but there is no intention to limit the use to the torque converter, and a plurality of blade members may be used. Any device may be used as long as it is a device provided with the vane part.
【００１８】[0018]
【発明の効果】請求項１の成形方法によると、複数の羽
根部を一体に形成しているので、複数の羽根部を一度に
取り付けることが可能になり、組付ける際に要する時間
を可及的に短縮することができるとともに、各々の羽根
部の位置およびピッチがずれることがないブレード部材
を成形することが可能になる。更に、ブレード部材の材
料歩留りが悪くなるのを防ぐことができる。According to the molding method of the first aspect, since the plurality of blade portions are integrally formed, the plurality of blade portions can be attached at one time, and the time required for the assembling can be reduced. It is possible to form a blade member that can be shortened as a whole and in which the positions and pitches of the respective blade portions do not shift. Further, it is possible to prevent the material yield of the blade member from being deteriorated.
【００１９】請求項２の発明によると、複数の羽根部を
一度に取り付けることが可能になるので、ブレード部材
を取付ける際に要する時間を短縮することができる。ま
た、複数の羽根部が一体となっているため、各々の羽根
部の位置およびピッチがずれることがない。According to the second aspect of the present invention, since it is possible to attach a plurality of blade portions at once, it is possible to shorten the time required for attaching the blade member. Further, since the plurality of blade portions are integrated, the position and pitch of each blade portion do not shift.
【図１】本発明の実施の形態を示すポンプ側正面図であ
る。FIG. 1 is a pump-side front view showing an embodiment of the present invention.
【図２】図１のＡ−Ａ断面図である。FIG. 2 is a sectional view taken along line AA of FIG.
【図３】本実施の形態におけるブレード部材の形成工程
後を示す図である。FIG. 3 is a diagram showing a state after a blade member forming step in the present embodiment.
【図４】本実施の形態におけるブレード部材の折り曲げ
工程後を示す図である。FIG. 4 is a diagram showing a blade member after a bending step in the present embodiment.
【図５】図４のＡ視の一部拡大図である。5 is a partially enlarged view of FIG. 4 viewed from A. FIG.
【図６】図４のＢ視の一部拡大図である。FIG. 6 is a partially enlarged view of FIG. 4 viewed from B.
【図７】従来技術を示すトルクコンバータの断面図であ
る。FIG. 7 is a sectional view of a torque converter showing a conventional technique.
【図８】従来のブレード部材の取付け状態を示す図であ
る。FIG. 8 is a view showing a state in which a conventional blade member is attached.
１０・・・ブレード部材 １１・・・羽根
部 １２・・・連結部 １３、２２・・
・ポンプ １４、２７・・・遮蔽板 １５・・・ボル
ト ２０・・・トルクコンバータ ２１・・・入力
軸 ２３・・・ポンプ羽根部 ２４・・・出力
軸 ２５・・・タービン ２６・・・ター
ビン羽根部 ２８・・・インナコア10 ... Blade member 11 ... Blade part 12 ... Connection part 13, 22 ...
-Pumps 14, 27 ... Shielding plate 15 ... Bolts 20 ... Torque converter 21 ... Input shaft 23 ... Pump blade portion 24 ... Output shaft 25 ... Turbine 26 ... Turbine Feather part 28: Inner core
Claims (2)
状の複数の羽根部と、該羽根部が同一直線上にあるよう
に前記羽根部の弧の両端をそれぞれ連結する連結部と、
からなるブレード板を形成する形成工程と、 各々の羽根部の一端の連結部の折り曲げ量に対して他端
の連結部の折り曲げ量を大きくすることにより、前記ブ
レード板を円弧状に湾曲させるとともに、前記ブレード
板に対して前記羽根部を略垂直に折り曲げる折り曲げ工
程と、 によりブレード部材を成形するブレード部材の成形方
法。1. A plurality of fan-shaped blade portions by processing one steel plate, and a connecting portion that connects both ends of an arc of the blade portions so that the blade portions are on the same straight line,
A step of forming a blade plate consisting of, and increasing the bending amount of the connecting portion at the other end with respect to the bending amount of the connecting portion at one end of each blade portion, while curving the blade plate in an arc shape A bending step of bending the blade portion substantially perpendicularly to the blade plate, and a blade member forming method for forming a blade member.
状の複数の羽根部と、該羽根部が同一直線上にあるよう
に前記羽根部の弧の両端をそれぞれ連結する連結部と、
からなるブレード板を形成する形成工程と、 各々の羽根部の一端の連結部の折り曲げ量に対して他端
の連結部の折り曲げ量を大きくすることにより、前記ブ
レード板を円弧状に湾曲させるとともに、前記ブレード
板に対して前記羽根部を略垂直にする折り曲げ工程と、 により成形されるブレード部材。2. A plurality of fan-shaped blade portions and a connecting portion that connects both ends of an arc of the blade portions so that the blade portions are on the same straight line by processing one steel plate.
A step of forming a blade plate consisting of, and increasing the bending amount of the connecting portion at the other end with respect to the bending amount of the connecting portion at one end of each blade portion, while curving the blade plate in an arc shape A bending step in which the blade portion is substantially perpendicular to the blade plate;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7194787A JPH0942413A (en) | 1995-07-31 | 1995-07-31 | Blade member and forming method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7194787A JPH0942413A (en) | 1995-07-31 | 1995-07-31 | Blade member and forming method therefor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0942413A true JPH0942413A (en) | 1997-02-14 |
Family
ID=16330261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7194787A Pending JPH0942413A (en) | 1995-07-31 | 1995-07-31 | Blade member and forming method therefor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0942413A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001141028A (en) * | 1999-08-27 | 2001-05-25 | Yutaka Giken Co Ltd | Blade linking body of hydraulic power transmission and its manufacturing method |
| JP2008249049A (en) * | 2007-03-30 | 2008-10-16 | Jatco Ltd | Blade structure for torque converter, and its manufacturing method |
| EP2022575A2 (en) | 2007-08-07 | 2009-02-11 | JATCO Ltd | Blade structure for torque converter and process of producing the same |
| EP2030702A2 (en) | 2007-08-31 | 2009-03-04 | JATCO Ltd | Blade structure for torque converter and process for producing the same |
| EP2042773A2 (en) | 2007-09-28 | 2009-04-01 | JATCO Ltd | Blade structure of torque converter and method for producing blade structure of torque converter |
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- 1995-07-31 JP JP7194787A patent/JPH0942413A/en active Pending
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