JP5476526B2 - Carrier manufacturing method - Google Patents
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- JP5476526B2 JP5476526B2 JP2011214108A JP2011214108A JP5476526B2 JP 5476526 B2 JP5476526 B2 JP 5476526B2 JP 2011214108 A JP2011214108 A JP 2011214108A JP 2011214108 A JP2011214108 A JP 2011214108A JP 5476526 B2 JP5476526 B2 JP 5476526B2
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Description
本発明は、遊星歯車機構のキャリア及びその製造方法に関する。 The present invention relates to a carrier for a planetary gear mechanism and a method for manufacturing the same.
遊星歯車機構は、サンギヤと、サンギヤに噛み合う複数のピニオンギヤと、複数のピニオンギヤを支持するキャリアと、複数のピニオンギヤに噛み合うリングギヤとで構成される。 The planetary gear mechanism includes a sun gear, a plurality of pinion gears that mesh with the sun gear, a carrier that supports the plurality of pinion gears, and a ring gear that meshes with the plurality of pinion gears.
特許文献１ではキャリアの製造方法として、カップ状部材に環状のプレートを電子ビーム溶接によって接合することによって上記平行な二面を形成する方法を開示している。 Patent Document 1 discloses a method of forming the two parallel surfaces by joining an annular plate to a cup-shaped member by electron beam welding as a carrier manufacturing method.
しかしながら、ピニオンギヤを収容するための開口をプレス加工によって形成した場合、キャリアの剛性が低下するという問題があった。 However, when the opening for accommodating the pinion gear is formed by press working, there is a problem that the rigidity of the carrier is lowered.
本発明は、このような技術的課題に鑑みてなされたもので、剛性の高いキャリアを実現することを目的とする。 The present invention has been made in view of such a technical problem, and an object thereof is to realize a carrier having high rigidity.
本発明のある態様によれば、遊星歯車機構のピニオンギヤを支持するキャリアの製造方法であって、カップ状部材を用意する工程と、前記カップ状部材の側面に、当該側面の母線方向に延びる開口又はスリットを形成する工程と、前記開口又はスリットが形成されている部位の両側を径方向内側に折り曲げて前記ピニオンギヤを収容する収容部を形成する工程と、前記カップ状部材の上側開口に、前記カップ状部材の底面に平行な平面を有するアッパープレートを接続する工程と、を含むことを特徴とするキャリアの製造方法が提供される。 According to an aspect of the present invention, there is provided a method of manufacturing a carrier for supporting a pinion gear of a planetary gear mechanism, the step of preparing a cup-shaped member, and an opening extending in a generatrix direction of the side surface of the cup-shaped member Or a step of forming a slit, a step of forming an accommodation portion for accommodating the pinion gear by bending both sides of the portion where the opening or the slit is formed radially inward, and an upper opening of the cup-shaped member, And a step of connecting an upper plate having a plane parallel to the bottom surface of the cup-shaped member.
上記態様によれば、ピニオンギヤの収容部の両側には径方向内側に折り曲げられた部位が形成されるので、剛性の高いキャリアを実現することができる。 According to the above aspect, since the portions bent radially inward are formed on both sides of the pinion gear housing, a highly rigid carrier can be realized.
以下、添付図面を参照しながら本発明の実施形態について説明する。 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
図１は、本発明の実施形態に係る製造方法によって製造されたキャリア１の斜視図である。 FIG. 1 is a perspective view of a carrier 1 manufactured by a manufacturing method according to an embodiment of the present invention.
キャリア１は、平行な上面２及び下面３を有する円筒部材で構成される。 The carrier 1 is composed of a cylindrical member having a parallel upper surface 2 and lower surface 3.
上面２の中央には内周にスプライン溝を有するボス部４が設けられる。キャリア１は、ボス部４を介して図示しない回転軸にスプライン嵌合する。上面２のボス部４の周囲には、図示しないピニオンギヤの軸を支持する軸孔５が周方向に等間隔に形成される。 A boss 4 having a spline groove on the inner periphery is provided at the center of the upper surface 2. The carrier 1 is spline-fitted to a rotating shaft (not shown) via the boss portion 4. Around the boss portion 4 on the upper surface 2, shaft holes 5 for supporting the shaft of a pinion gear (not shown) are formed at equal intervals in the circumferential direction.
キャリア１の上側縁部にはスプライン部６が設けられる。スプライン部６の外周には、スプライン溝６１が設けられる。スプライン部６には、図示しないクラッチプレートがスプライン嵌合する。 A spline portion 6 is provided on the upper edge portion of the carrier 1. A spline groove 61 is provided on the outer periphery of the spline portion 6. A clutch plate (not shown) is spline fitted to the spline portion 6.
上面２と下面３とは側面７を介して接続される。側面７の間にはピニオンギヤを収容する収容部８が形成される。下面３の収容部８に対応する部位にはピニオンギヤの軸を支持する軸孔９が形成される。 The upper surface 2 and the lower surface 3 are connected via a side surface 7. Between the side surfaces 7, an accommodating portion 8 for accommodating a pinion gear is formed. A shaft hole 9 that supports the shaft of the pinion gear is formed in a portion corresponding to the accommodating portion 8 of the lower surface 3.
側面７の両側（収容部８の両側）は、径方向内側に折り曲げられており、折り曲げられた部位１２１は上面２及び下面３と溶接されている。 Both sides of the side surface 7 (both sides of the accommodating portion 8) are bent radially inward, and the bent portion 121 is welded to the upper surface 2 and the lower surface 3.
図２Ａ及びこれに続く図２Ｂはキャリア１の製造方法の手順を示したフローチャートである。これらを参照しながらキャリア１の製造方法の手順について説明する。フローチャートの右側には各工程後の状態を示している。 FIG. 2A and subsequent FIG. 2B are flowcharts showing the procedure of the carrier 1 manufacturing method. The procedure of the manufacturing method of the carrier 1 will be described with reference to these. The right side of the flowchart shows the state after each step.
Ｓ１（ブランク準備工程）では、中央に開口１０１を有する円盤状のブランク１００が準備される。ブランク１００は、プレス機によって板状の素材から打ち抜くことによって作られる。 In S1 (blank preparation step), a disc-shaped blank 100 having an opening 101 at the center is prepared. The blank 100 is made by punching from a plate-shaped material with a press.
Ｓ２（第１絞り加工工程）では、ブランク１００を絞り、ブランク１００をカップ状部材１１０に成形する。 In S <b> 2 (first drawing process), the blank 100 is drawn and the blank 100 is formed into the cup-shaped member 110.
Ｓ３（第２絞り加工工程）では、カップ状部材１１０の下部をさらに絞り、カップ状部材１１０の上側縁部１１２以外の径を上側縁部１１２の径よりも小さくする。 In S <b> 3 (second drawing step), the lower portion of the cup-shaped member 110 is further drawn, and the diameter of the cup-shaped member 110 other than the upper edge portion 112 is made smaller than the diameter of the upper edge portion 112.
Ｓ４（しごき加工工程）では、カップ状部材１１０の上側縁部１１２をしごき、上側縁部１１２にスプライン部６を形成する。 In S <b> 4 (the ironing process), the upper edge portion 112 of the cup-shaped member 110 is ironed, and the spline portion 6 is formed on the upper edge portion 112.
Ｓ５（ピアス加工工程）では、第１スライダパンチ（径方向に移動可能なパンチ）２００（図３）を用いて、カップ状部材１１０の側面１１３に、側面１１３の母線方向に延びる矩形の開口１２０を形成する。 In S5 (piercing process), a rectangular opening 120 extending in the generatrix direction of the side surface 113 is formed on the side surface 113 of the cup-shaped member 110 using the first slider punch (a punch movable in the radial direction) 200 (FIG. 3). Form.
図３は、ピアス加工前後のカップ状部材１１０の状態を示している。図中左側が加工前の状態、図中右側が加工後の状態を示している（図４及び図５についても同じ）。 FIG. 3 shows the state of the cup-shaped member 110 before and after piercing. The left side in the figure shows the state before processing, and the right side in the figure shows the state after processing (the same applies to FIGS. 4 and 5).
第１スライダパンチ２００は、下降し、その下端がカップ状部材１１０の底面１１１に接触すると、パンチング部２０１が径方向外側にスライドするように構成される。パンチング部２０１がカップ状部材１１０の側面１１３に押し付けられると、カップ状部材１１０の側面１１３に矩形の開口１２０が形成される。 The first slider punch 200 is configured to descend, and when the lower end of the first slider punch 200 comes into contact with the bottom surface 111 of the cup-shaped member 110, the punching portion 201 slides radially outward. When the punching portion 201 is pressed against the side surface 113 of the cup-shaped member 110, a rectangular opening 120 is formed on the side surface 113 of the cup-shaped member 110.
カップ状部材１１０の側面から打ち抜かれた矩形の部材１１４は、退出路３００を介して排出される。 The rectangular member 114 punched from the side surface of the cup-shaped member 110 is discharged through the exit path 300.
図２Ｂに進み、Ｓ６（切り込み加工工程）では、第２スライダパンチ２１０（図４）を用いて、カップ状部材１１０の側面の矩形の開口１２０の両側に、矩形の開口１２０の上端及び下端から周方向に延びる切り込み１３０が形成される。 Proceeding to FIG. 2B, in S6 (cutting process step), the second slider punch 210 (FIG. 4) is used on both sides of the rectangular opening 120 on the side surface of the cup-shaped member 110 from the upper end and the lower end of the rectangular opening 120. A cut 130 extending in the circumferential direction is formed.
図４は、切り込み加工前後のカップ状部材１１０の状態を示している。 FIG. 4 shows the state of the cup-shaped member 110 before and after the cutting process.
第２スライダパンチ２１０は、下降し、その下端がカップ状部材１１０の底面１１１に接触すると、パンチング部２１１が径方向外側にスライドするように構成される。また、矩形の開口１２０の両側の部位１２１には、径方向外側からスプリング３１０によって受け部材３２０が押し付けられる。 The second slider punch 210 descends, and when the lower end thereof comes into contact with the bottom surface 111 of the cup-shaped member 110, the punching portion 211 is configured to slide radially outward. The receiving member 320 is pressed against the portions 121 on both sides of the rectangular opening 120 by the spring 310 from the outside in the radial direction.
矩形の開口１２０の両側の部位１２１にパンチング部２１１が押し付けられると、スプリング３１０を押し縮めながら矩形の開口１２０の両側の部位１２１が径方向外側に押し広げられ、これによって、矩形の開口１２０の両側に、矩形の開口１２０の上端及び下端から周方向に延びる切り込み１３０が形成される。 When the punching portions 211 are pressed against the portions 121 on both sides of the rectangular opening 120, the portions 121 on both sides of the rectangular opening 120 are pushed radially outward while pressing and contracting the spring 310. On both sides, cuts 130 extending in the circumferential direction from the upper and lower ends of the rectangular opening 120 are formed.
第２スライダパンチ２１０を上昇させると、パンチング部２１１は径方向内側に移動し、また、径方向外側に押し広げられた矩形の開口１２０の両側の部位１２１が、スプリング３１０の復元力によって加工前の位置まで戻される。 When the second slider punch 210 is raised, the punching portion 211 moves inward in the radial direction, and the portions 121 on both sides of the rectangular opening 120 swelled outward in the radial direction are not processed by the restoring force of the spring 310. It returns to the position.
Ｓ７（曲げ加工工程）では、第３スライダパンチ２２０（図５）を用いて、カップ状部材１１０の矩形の開口１２０の両側の部位１２１を径方向内側に折り曲げ、ピニオンギヤの収容部８が形成される。 In S7 (bending step), the third slider punch 220 (FIG. 5) is used to bend the portions 121 on both sides of the rectangular opening 120 of the cup-shaped member 110 radially inward to form the pinion gear housing 8. The
図５は、曲げ加工前後のカップ状部材１１０の状態を示している。 FIG. 5 shows the state of the cup-shaped member 110 before and after bending.
第３スライダパンチ２２０が下降し、その下端がカップ状部材１１０の底面１１１に接触すると、パンチング部２２１が径方向内側にスライドするように構成される。パンチング部２２１が矩形の開口１２０の両側の部位１２１に押し付けられると、矩形の開口１２０の両側の部位１２１がカップ状部材１１０の内側に折り曲げられ、これによって、ピニオンギヤの収容部８が形成される。図６は、曲げ加工後のカップ状部材１１０を上から見た図である。 When the third slider punch 220 descends and its lower end contacts the bottom surface 111 of the cup-shaped member 110, the punching portion 221 is configured to slide radially inward. When the punching part 221 is pressed against the parts 121 on both sides of the rectangular opening 120, the parts 121 on both sides of the rectangular opening 120 are bent inside the cup-shaped member 110, thereby forming the pinion gear housing part 8. . FIG. 6 is a top view of the cup-shaped member 110 after bending.
Ｓ８（アッパープレート溶接工程）では、図７に示すボス部４を有するアッパープレート４００を別途用意し、これをカップ状部材１１０の上側開口に底面１１１と平行になるように嵌め、カップ状部材１１０と溶接する。このとき、アッパープレート４００とカップ状部材１１０の側面１１３とが溶接されるだけでなく、カップ状部材１１０の内側に折り曲げられた部位１２１がアッパープレート４００及びカップ状部材１１０の底面１１１と溶接される。 In S8 (upper plate welding step), an upper plate 400 having the boss portion 4 shown in FIG. 7 is prepared separately, and is fitted into the upper opening of the cup-shaped member 110 so as to be parallel to the bottom surface 111. And weld. At this time, not only the upper plate 400 and the side surface 113 of the cup-shaped member 110 are welded, but also the portion 121 bent inside the cup-shaped member 110 is welded to the upper plate 400 and the bottom surface 111 of the cup-shaped member 110. The
Ｓ９（軸孔加工工程）では、アッパープレート４００及びカップ状部材１１０の底面１１１にピニオンギヤを支持するための軸孔５、９が加工される。 In S9 (shaft hole machining step), the shaft holes 5 and 9 for supporting the pinion gear are machined on the upper plate 400 and the bottom surface 111 of the cup-shaped member 110.
キャリア１は、以上の工程を経て製造される。 The carrier 1 is manufactured through the above steps.
本製造方法及び本製造方法によって製造されたキャリア１によれば、収容部８の両側の部位１２１が径方向内側に折り曲げられるので、剛性の高いキャリア１の実現することができる（請求項１〜５に対応する効果）。 According to the manufacturing method and the carrier 1 manufactured by the manufacturing method, the portions 121 on both sides of the accommodating portion 8 are bent inward in the radial direction, so that the carrier 1 having high rigidity can be realized. Effect corresponding to 5).
以上、本発明の実施形態について説明したが、上記実施形態は本発明の適用例を示したものに過ぎず、本発明の技術的範囲を上記実施形態の具体的構成に限定する趣旨ではない。本発明の趣旨を逸脱しない範囲で種々の変更が可能である。 The embodiment of the present invention has been described above, but the above embodiment is merely an example of application of the present invention, and is not intended to limit the technical scope of the present invention to the specific configuration of the above embodiment. Various modifications can be made without departing from the spirit of the present invention.
たとえば、Ｓ５（ピアス加工工程）では、カップ状部材１１０の側面１１３に、側面１１３の母線方向に延びる矩形の開口１２０を形成しているが、開口１２０ではなくスリットを形成するようにしてもよい。また、開口１２０は、ブランク１００に予め形成しておいてもよい。 For example, in S5 (piercing process), the rectangular opening 120 extending in the generatrix direction of the side surface 113 is formed on the side surface 113 of the cup-shaped member 110. However, instead of the opening 120, a slit may be formed. . The opening 120 may be formed in the blank 100 in advance.
また、スプライン部６は、カップ状部材１１０の上側縁部１１２に形成するのではなく、アッパープレート４００の外縁から上側に延びる筒状部を設け、この筒状部に形成するようにしてもよい。また、スプライン部６のスプライン溝６１は、スプライン部６の内側に設けられていてもよい。 In addition, the spline portion 6 is not formed on the upper edge portion 112 of the cup-shaped member 110, but a cylindrical portion extending upward from the outer edge of the upper plate 400 may be provided and formed on this cylindrical portion. . Further, the spline groove 61 of the spline portion 6 may be provided inside the spline portion 6.
１ キャリア
２ 上面
３ 下面
５ 軸孔
６ スプライン部
７ 側面
８ 収容部
９ 軸孔
１１０ カップ状部材
１１１ 底面
１１２ 上側縁部
１１３ 側面
１２０ 矩形の開口
１３０ 切り込み
DESCRIPTION OF SYMBOLS 1 Carrier 2 Upper surface 3 Lower surface 5 Shaft hole 6 Spline part 7 Side surface 8 Receiving part 9 Shaft hole 110 Cup-shaped member 111 Bottom surface 112 Upper edge 113 Side surface 120 Rectangular opening 130 Notch
Claims (4)
カップ状部材を用意する工程と、
前記カップ状部材の側面に、当該側面の母線方向に延びる開口又はスリットを形成する工程と、
前記開口又はスリットが形成されている部位の両側を径方向内側に折り曲げて前記ピニオンギヤを収容する収容部を形成する工程と、
前記カップ状部材の上側開口に、前記カップ状部材の底面に平行なアッパープレートを接続する工程と、
を含むことを特徴とするキャリアの製造方法。 A carrier manufacturing method for supporting a pinion gear of a planetary gear mechanism,
Preparing a cup-shaped member;
Forming an opening or slit extending in the generatrix direction of the side surface on the side surface of the cup-shaped member;
A step of bending the both sides of the part where the opening or slit is formed radially inward to form an accommodating portion for accommodating the pinion gear;
Connecting an upper plate parallel to the bottom surface of the cup-shaped member to the upper opening of the cup-shaped member;
A method for producing a carrier, comprising:
前記収容部を形成する工程は、前記折り曲げの前に、前記開口又はスリットから周方向に延びる切り込みを形成する、
ことを特徴とするキャリアの製造方法。 It is a manufacturing method of the carrier according to claim 1, Comprising:
The step of forming the accommodating portion forms a cut extending in the circumferential direction from the opening or slit before the bending.
A carrier production method characterized by the above.
前記カップ状部材の上側縁部の内側又は外側にスプライン溝を形成する工程をさらに含む、
ことを特徴とするキャリア製造方法。 It is a manufacturing method of the carrier according to claim 1 or 2,
Forming a spline groove inside or outside the upper edge of the cup-shaped member;
The carrier manufacturing method characterized by the above-mentioned.
前記アッパープレートの外縁には、外縁から上側に延びる筒状部が設けられており、
前記筒状部の内側又は外側にスプライン溝を形成する工程をさらに含む、
ことを特徴とするキャリアの製造方法。 It is a manufacturing method of the carrier according to claim 1 or 2,
The outer edge of the upper plate is provided with a cylindrical portion extending upward from the outer edge,
Further comprising a step of forming a spline groove inside or outside the cylindrical portion,
A carrier production method characterized by the above.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011214108A JP5476526B2 (en) | 2011-09-29 | 2011-09-29 | Carrier manufacturing method |
| CN201210229125.2A CN103032559B (en) | 2011-09-29 | 2012-07-03 | Planet carrier and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011214108A JP5476526B2 (en) | 2011-09-29 | 2011-09-29 | Carrier manufacturing method |
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| Publication Number | Publication Date |
|---|---|
| JP2013072536A JP2013072536A (en) | 2013-04-22 |
| JP5476526B2 true JP5476526B2 (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2011214108A Expired - Fee Related JP5476526B2 (en) | 2011-09-29 | 2011-09-29 | Carrier manufacturing method |
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| CN (1) | CN103032559B (en) |
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| CN111093862B (en) * | 2017-09-20 | 2022-07-26 | 住友电工烧结合金株式会社 | Machining method, method for manufacturing planetary gear carrier, and planetary gear carrier |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332475A (en) * | 1994-06-03 | 1995-12-22 | Nissan Motor Co Ltd | Carrier structure of planetary gear device |
| JP3826995B2 (en) * | 2000-02-16 | 2006-09-27 | トヨタ自動車株式会社 | Manufacturing method of carrier |
| WO2004065822A2 (en) * | 2003-01-15 | 2004-08-05 | Metal Forming & Coining Corporation | Torque transmitting assembly and method of producing |
| JP4103839B2 (en) * | 2004-04-15 | 2008-06-18 | トヨタ自動車株式会社 | Carrier plate and manufacturing method thereof |
| CN200986018Y (en) * | 2006-12-17 | 2007-12-05 | 郑州机械研究所 | Planetary supporter |
| CN201050594Y (en) * | 2007-04-19 | 2008-04-23 | 天津市君晟机电传动工程有限公司 | Planet carrier of planet gear speed reducer |
| BE1017854A3 (en) * | 2007-11-21 | 2009-09-01 | Hansen Transmissions Int | PLANET CARRIER OF THE CAGE FORM. |
| CN201666357U (en) * | 2010-03-24 | 2010-12-08 | 盛瑞传动股份有限公司 | Planet carrier |
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2011
- 2011-09-29 JP JP2011214108A patent/JP5476526B2/en not_active Expired - Fee Related
-
2012
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