JPH0341858Y2 - - Google Patents
Info
- Publication number
- JPH0341858Y2 JPH0341858Y2 JP1985120132U JP12013285U JPH0341858Y2 JP H0341858 Y2 JPH0341858 Y2 JP H0341858Y2 JP 1985120132 U JP1985120132 U JP 1985120132U JP 12013285 U JP12013285 U JP 12013285U JP H0341858 Y2 JPH0341858 Y2 JP H0341858Y2
- Authority
- JP
- Japan
- Prior art keywords
- workpiece
- drum
- convex portion
- punch
- 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.)
- Expired
Links
- 238000004080 punching Methods 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 description 8
- 238000005520 cutting process Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、例えば自動車に使用されるトルクコ
ンバータのクラツチ部品であるコネクテイングド
ラム等、ほぼ円筒形状で内周面が周方向に凹凸形
状に形成されたワークの内周面の凸部に周方向に
延びる溝部を形成するためのパンチ装置の改良に
関する。[Detailed description of the invention] (Field of industrial application) The present invention is applicable to connecting drums, which are clutch parts of torque converters used in automobiles, etc., which have an almost cylindrical shape and an uneven inner surface in the circumferential direction. The present invention relates to an improvement in a punching device for forming a circumferentially extending groove in a convex portion of the inner circumferential surface of a formed workpiece.
（従来の技術）
一般に、自動車用トルクコンバータの部品であ
るコネクテイングドラムはその内周面がプレス成
形により全周に亘つて凸部と凹部とが交互に連続
した凹凸形状に形成されており、この凹部を案内
部として例えばインターナルギヤやインターナル
ドライブフランジ等の内装部品がドラム内に装着
される。そして、上記凸部には周方向に延びる溝
部が形成されており、該溝部にスナツプリングを
嵌込むことにより、上記内装部品がドラムから脱
落するのを防止するようになされている。(Prior Art) In general, the inner peripheral surface of a connecting drum, which is a component of an automobile torque converter, is formed by press molding into an uneven shape in which convex portions and concave portions are alternately continuous over the entire circumference. Using this recess as a guide, interior parts such as an internal gear and an internal drive flange are mounted inside the drum. A circumferentially extending groove is formed in the convex portion, and a snap ring is fitted into the groove to prevent the interior component from falling off the drum.
ところで、上記凸部に溝部を形成する場合、従
来、例えばパンチ装置を使用してドラム内周面の
凸部をプレス加工により加圧することにより、該
凸部に周方向に延びる溝部を形成するようにする
ことが一般的に行われている。 By the way, when forming a groove in the above-mentioned convex part, conventionally, a groove extending in the circumferential direction is formed in the convex part by pressurizing the convex part on the inner peripheral surface of the drum using a punching device, for example. It is common practice to do so.
また、特公昭58−18528号公報には、スプライ
ンの凸部に上下平行の切目を設け、これら切目の
間の部分を押出してスナツプリング受けスロツト
を形成する技術が提案されている。 Japanese Patent Publication No. 58-18528 proposes a technique in which upper and lower parallel cuts are provided in the convex portion of a spline, and the portion between these cuts is extruded to form a snap spring receiving slot.
（考案が解決しようとする課題）
ところが、前者の場合、第６図に示すように、
ドラムＷ内周面の凸部w1を加圧するパンチ手段
として先端部が平坦ないわゆる平パンチ部材Ａが
使用されており、そのため、プレス加工時に加圧
により凸部w1が変形すると、その両側コーナー
部が凸部w1の外側に押しやられ、平パンチ部材
Ａにより形成された溝部w2の両端に凹部w3に向
けて膨出する膨出部w4（余肉部）が生ずる。その
結果、ドラムＷに内装部品を内装する際、上記膨
出部w4が干渉してドラムＷに内装部品を内装す
ることができず、そのため、該膨出部w4を取り
除く余分な工程が必要となり、ドラムの製作工程
が複雑化する等の問題があつた。(Problem that the invention attempts to solve) However, in the former case, as shown in Figure 6,
A so-called flat punch member A having a flat tip is used as a punching means to press the convex portion w1 on the inner circumferential surface of the drum W. Therefore, when the convex portion w1 is deformed by pressure during press working, both sides of the convex portion w1 are deformed by pressure. The corner portion is pushed to the outside of the convex portion w1 , and a bulged portion w4 (excess portion) is formed at both ends of the groove portion w2 formed by the flat punch member A, which bulges toward the recessed portion w3 . As a result, when interior parts are mounted on the drum W, the bulge part w4 interferes with the interior parts, making it impossible to mount the interior parts on the drum W. Therefore, an extra step of removing the bulge part w4 is required. This caused problems such as complicating the drum manufacturing process.
一方、後者の場合、上述の如きコーナー部材料
の膨出という問題は解決できるものの、切断を伴
つたプレスであるため、切断時に生じたバリ、カ
エリ等の除去が別途必要であるとともにワークの
強度低下を招く等の問題がある。 On the other hand, in the latter case, although the above-mentioned problem of bulging of the corner material can be solved, since the press involves cutting, it is necessary to separately remove burrs, burrs, etc. that occur during cutting, and it is necessary to strengthen the workpiece. There are problems such as a decline in the performance.
本考案はかかる点に鑑みてなされたものであ
り、その目的とするところは、上記のドラムの如
き略円筒状ワーク内周面の凸部をパンチ手段で加
圧して溝部を形成する際、上述の切断を伴うプレ
スによらずに単にプレスするのみのパンチ装置に
おいて、パンチ手段の先端部に傾斜面を設けるだ
けで、上記のバリ、カエリ等の除去やワークの強
度低下等の問題を生ずることなく、ワーク凸部の
コーナー部材料が凹部へ膨出するのを解消し、ワ
ークに対しその内装部品をスムーズに内装し得る
ようになすことにある。 The present invention has been devised in view of these points, and its purpose is to form grooves by pressurizing the convex portion of the inner peripheral surface of a substantially cylindrical workpiece, such as the drum, with a punching means. In a punching device that simply presses without cutting, simply providing an inclined surface at the tip of the punching means may cause problems such as removing burrs, burrs, etc., and reducing the strength of the workpiece. The purpose is to eliminate the bulging of the corner material of the convex part of the workpiece into the recessed part, and to enable interior parts to be smoothly installed in the workpiece.
（課題を解決するための手段）
上記の目的を達成するため、本考案の解決手段
は、ほぼ円筒形状で内周面が周方向に凹凸形状に
形成されたワークの内周面の凸部に周方向に延び
る溝部を形成するパンチ装置を対象とする。そし
て、上記ワークを内部より保持する保持部材と、
ワーク内側に上記凸部に対して進退可能に設けら
れ、先端に凸部を加圧して上記溝部を形成する加
圧面を有するパンチ手段と、上記ワークの外側に
該パンチ手段の加圧面に対応して配置され、ワー
ク外周面に当接するワーク受け部材とを備える。
上記パンチ手段の加圧面の両側端部には、ワーク
凸部の加圧過程においてワーク凸部の両側端コー
ナー部を内方に押圧する傾斜面が形成されている
構成としたものである。(Means for Solving the Problem) In order to achieve the above object, the solution of the present invention is applied to a convex portion of the inner peripheral surface of a workpiece that is approximately cylindrical in shape and has an uneven inner peripheral surface in the circumferential direction. The target is a punch device that forms a groove extending in the circumferential direction. and a holding member that holds the workpiece from inside;
a punch means provided on the inside of the workpiece so as to be able to move forward and backward with respect to the convex part, and having a pressure surface at its tip that pressurizes the convex part to form the groove; and a punch means provided on the outside of the workpiece that corresponds to the pressure surface of the punch means. and a workpiece receiving member arranged so as to be in contact with the outer circumferential surface of the workpiece.
The pressing surface of the punching means has inclined surfaces formed at both end portions of the pressing surface to press inward the corner portions of both ends of the workpiece convexity during the process of pressing the workpiece convexity.
（作用）
上記の構成により、本考案では、ワーク内周面
の周方向に形成した凸部に溝部を形成する場合、
保持部材によつて内部より保持されたワークの外
周面にワーク受け部材が当接した状態で、ワーク
内側に設けられたパンチ手段の先端加圧面が上記
凸部に対して前進してこのパンチ手段の前進によ
り上記凸部が加圧され、凸部に周方向に延びる溝
部が形成される。この際、上記凸部の周方向両側
端のコーナー部はパンチ手段の加圧面の両側端部
に形成された傾斜面によつて内方に押圧されるこ
とから、上記加圧により変形した凸部のコーナー
部材料の一部が凹部側へ膨出することが抑制され
ることとなる。(Function) With the above configuration, in the present invention, when forming a groove in a convex portion formed in the circumferential direction of the inner peripheral surface of the workpiece,
With the workpiece receiving member in contact with the outer peripheral surface of the workpiece held from inside by the holding member, the tip pressure surface of the punching means provided inside the workpiece advances against the convex portion, and the punching means As the protrusion moves forward, the convex portion is pressurized, and a groove portion extending in the circumferential direction is formed in the convex portion. At this time, since the corner portions at both circumferential ends of the convex portion are pressed inward by the inclined surfaces formed at both end portions of the pressing surface of the punching means, the convex portion deformed by the pressurization. This will prevent part of the corner material from bulging toward the recess.
（実施例）
以下、本考案の実施例を図面に基づいて説明す
る。(Example) Hereinafter, an example of the present invention will be described based on the drawings.
第１図は本考案の実施例に係るパンチ装置を示
し、１は上下方向に移動するプレス装置のラムで
あつて、該ラム１には所定位置にラム１と一体に
上下移動する複数の駆動カム２，２，…（図では
１つのみ示す）が環状に配設され、該各駆動カム
２の下端部の対向するコーナー部分には第１およ
び第２傾斜カム面３，４が形成されている。 FIG. 1 shows a punching device according to an embodiment of the present invention, in which numeral 1 is a ram of a press device that moves in the vertical direction, and the ram 1 has a plurality of drives that move up and down together with the ram 1 at predetermined positions. Cams 2, 2, ... (only one is shown in the figure) are arranged in an annular shape, and first and second inclined cam surfaces 3, 4 are formed at opposite corners of the lower end of each drive cam 2. ing.
一方、５は上記ラム１の下方に配設された固定
基台であつて、該基台５の中央には、自動車用ト
ルクコンバータのクラツチ部品であるコネクテイ
ングドラムＷ（ワーク）に嵌合されて該ドラムＷ
を内部より保持する保持部材６が一体的に突設さ
れている。なお、上記ドラムＷは第２図ないし第
４図に示すように、ほぼ円筒形状でその内周面は
プレス成形により全周に亘つて凸部w1と凹部w3
とが交互に連続した凹凸形状に形成されており、
かつ上記凸部w1には本実施例のパンチ装置によ
つて周方向に延びる溝部w2が形成されるもので
ある。 On the other hand, reference numeral 5 denotes a fixed base disposed below the ram 1, and a connecting drum W (work), which is a clutch component of an automobile torque converter, is fitted in the center of the base 5. The drum W
A holding member 6 is provided integrally and protrudes from the inside. As shown in FIGS. 2 to 4, the drum W has a substantially cylindrical shape, and its inner circumferential surface is press-molded to include a convex portion w 1 and a concave portion w 3 over the entire circumference.
It is formed in a concave and convex shape with alternating continuous lines.
Further, a groove portion w 2 extending in the circumferential direction is formed in the convex portion w 1 by the punching device of this embodiment.
上記基台５の保持部材６外側には上記ラム１の
駆動カム２，２，…と対応する部位に複数のスラ
イドカム７，７，…が保持部材６に対し接離する
方向にスライド移動可能に設けられている。上記
各スライドカム７は、上記基台５にスライド可能
に載置され保持部材６と反対側の端部に上記駆動
カム２の第２傾斜カム面４が摺接可能な傾斜カム
面８を有するスライドカム部材９と、該スライド
カム部材９の上面にスライドカム部材９と同方向
に相対的にスライド可能に載置され、上記保持部
材６と反対側に上記駆動カム２の第１傾斜カム面
３が摺接可能な傾斜カム面１０を有するスライド
ブロツク部材１１とに上下に２分割されている。
そして上記下方のスライドカム部材９は、その下
面に垂設した垂下片１２と、該垂下片１２に干渉
しないように基台５に形成した長溝状凹所１３側
面との間に設けたリターンスプリング１４によつ
て常時、保持部材６側に向かう内方向に付勢され
ている。一方、上方のスライドブロツク部材１１
は、その下面に垂設した垂下片１５と、該垂下片
１５に干渉しないようにスライドカム部材９に形
成した長溝状凹所１６との間に設けたリターンス
プリング１７によつて常時、保持部材６と反対側
に向かう外方向に付勢されている。 On the outside of the holding member 6 of the base 5, a plurality of slide cams 7, 7, . It is set in. Each of the slide cams 7 is slidably mounted on the base 5 and has an inclined cam surface 8 at the end opposite to the holding member 6, on which the second inclined cam surface 4 of the drive cam 2 can slide. a slide cam member 9; and a first inclined cam surface of the drive cam 2, which is mounted on the upper surface of the slide cam member 9 so as to be relatively slidable in the same direction as the slide cam member 9, and on the opposite side from the holding member 6. 3 is vertically divided into a slide block member 11 having an inclined cam surface 10 that can be slidably contacted.
The lower slide cam member 9 has a return spring provided between a hanging piece 12 provided vertically on its lower surface and a side surface of a long groove-shaped recess 13 formed in the base 5 so as not to interfere with the hanging piece 12. 14, it is always urged inward toward the holding member 6 side. On the other hand, the upper slide block member 11
The holding member is always held by a return spring 17 provided between a hanging piece 15 provided vertically on its lower surface and a long groove-shaped recess 16 formed in the slide cam member 9 so as not to interfere with the hanging piece 15. 6 and is biased outward toward the opposite side.
また、上記各スライドカム部材９の保持部材６
側には、ワークとしてのドラムＷの対応する各凸
部w1に周方向に延びる溝部w2を形成するための
パンチ手段としてのパンチ部材１８がその先端部
を上記凸部w1に対向せしめてボルト１９でもつ
て固設されており、この構造により、パンチ部材
１８はスライドカム部材９のスライド移動に応じ
てドラムＷの各凸部w1に進退可能に設けられて
いる。一方、上記スライドブロツク部材１１の保
持部材６側には、ドラムＷの凸部w1への溝部w2
形成高さに対応する位置に水平方向の溝部２０が
凹陥形成されたワーク受け部材２１がボルト２２
でもつて固設されている。 In addition, the holding member 6 of each slide cam member 9 is
On the side, a punch member 18 serving as punching means for forming a circumferentially extending groove w 2 in each corresponding convex portion w 1 of the drum W as a workpiece has its tip facing the convex portion w 1 . This structure allows the punch member 18 to move forward and backward into each convex portion w1 of the drum W in accordance with the sliding movement of the slide cam member 9. On the other hand, on the side of the holding member 6 of the slide block member 11, there is a groove w 2 to the convex portion w 1 of the drum W.
A workpiece receiving member 21 in which a horizontal groove 20 is recessed at a position corresponding to the forming height is attached to a bolt 22.
However, it is fixed in place.
さらに、上記各パンチ部材１８の先端には第５
図に拡大詳示するように、略Ｍ字形に切欠かれた
加圧面２３が形成されていて、該加圧面２３の両
側端部には、上記ドラムＷの凸部w1に対する加
圧過程において凸部w1両側端のコーナー部を内
方に押圧して該コーナー部の材料を凸部w1中央
方向に押圧移動させる傾斜面２３ａ，２３ａが形
成されている。 Furthermore, at the tip of each punch member 18, a fifth
As shown in enlarged detail in the figure, a pressurizing surface 23 having a substantially M-shaped notch is formed, and a convex portion is formed at both ends of the pressurizing surface 23 in the process of applying pressure to the convex portion w1 of the drum W. Slanted surfaces 23a, 23a are formed to press the corner portions at both ends of the portion w1 inward to press and move the material of the corner portions toward the center of the convex portion w1 .
なお、２４は上記保持部材６に保持されたドラ
ムＷをラム１の下降時にスプリング２５のばね力
により押圧保持するワーク押えである。 Note that 24 is a work holder that presses and holds the drum W held by the holding member 6 by the spring force of a spring 25 when the ram 1 is lowered.
次に、このように構成されたパンチ装置の作動
を説明すると、まず、ラム１の上昇移動により、
駆動カム２は基台５の上方所定高さ位置に位置し
ていて、その第１傾斜カム面３のスライドブロツ
ク部材１１の傾斜カム面１０との接触、および第
２傾斜カム面４のスライドカム部材９の傾斜カム
面８との接触が回避されている。したがつて、ス
ライドカム部材９はリターンスプリング１４によ
つて保持部材６側に向かう内方向に付勢されてる
とともに、スライドブロツク部材１１はリターン
スプリング１７によつて保持部材６と反対側に向
かう外方向に付勢されており、ワーク受け部材２
１は基台５の保持部材６に載置したドラムＷの外
側面と非接触状態にある。 Next, to explain the operation of the punching device configured in this way, first, by the upward movement of the ram 1,
The drive cam 2 is located at a predetermined height position above the base 5, and its first inclined cam surface 3 contacts the inclined cam surface 10 of the slide block member 11, and the second inclined cam surface 4 contacts the slide cam. Contact of the member 9 with the inclined cam surface 8 is avoided. Therefore, the slide cam member 9 is urged inward by the return spring 14 toward the holding member 6, and the slide block member 11 is urged outward toward the side opposite to the holding member 6 by the return spring 17. The workpiece receiving member 2
1 is in a non-contact state with the outer surface of the drum W placed on the holding member 6 of the base 5.
この状態から、保持部材６にドラムＷ（ワーク）
をセツトし、ラム１を下降させると、ワーク押え
２４が下降してドラムＷを押圧保持する。さら
に、ラム１を下降させると、駆動カム２が下降し
てその第１傾斜カム面３が先ずスライドブロツク
部材１１の傾斜カム面１０に当接し、この駆動カ
ム２の下降に伴つて上記第１傾斜カム面３が傾斜
カム面１０を押圧してスライドブロツク部材１１
をリターンスプリング１７の付勢力に抗して保持
部材６側に向かう内方向に移動させる。その結
果、ワーク受け部材２１がドラムＷの外側面に当
接する。 From this state, the drum W (workpiece) is placed on the holding member 6.
When the drum 1 is set and the ram 1 is lowered, the work holder 24 is lowered to press and hold the drum W. Further, when the ram 1 is lowered, the drive cam 2 is lowered and its first inclined cam surface 3 first comes into contact with the inclined cam surface 10 of the slide block member 11. The inclined cam surface 3 presses the inclined cam surface 10 and slide block member 11
is moved inward toward the holding member 6 against the biasing force of the return spring 17. As a result, the work receiving member 21 comes into contact with the outer surface of the drum W.
さらに、上記駆動カム２を下降させると、今度
はその第２傾斜カム面４がスライドカム部材９の
傾斜カム面８に当接し、この駆動カム２の下降に
伴つて上記第２傾斜カム面４が傾斜カム面８を押
圧してスライドカム部材９をリターンスプリング
１４の付勢力に抗して保持部材６と反対側に向か
う外方向に移動させる。その結果、パンチ部材１
８の先端の加圧面２３がドラムＷの凸部w1を加
圧する。 Further, when the driving cam 2 is lowered, the second inclined cam surface 4 comes into contact with the inclined cam surface 8 of the slide cam member 9, and as the driving cam 2 is lowered, the second inclined cam surface 4 comes into contact with the inclined cam surface 8 of the slide cam member 9. presses the inclined cam surface 8 to move the slide cam member 9 in an outward direction opposite to the holding member 6 against the biasing force of the return spring 14. As a result, punch member 1
The pressure surface 23 at the tip of the drum W presses the convex portion w1 of the drum W.
この際、上記スライドブロツク部材１１はその
後端部が下降した駆動カム２の下端部に当接して
保持部材６と反対側に向かう外方向への移動が制
止されているため、ドラムＷの側面が上記パンチ
部材１８による加圧力によつて外側に変形するこ
とが防止され、この状態で上記凸部w1に周方向
に延びる溝部w2が形成される。 At this time, the rear end of the slide block member 11 comes into contact with the lower end of the lowered drive cam 2 and is prevented from moving outward toward the side opposite to the holding member 6, so that the side surface of the drum W is It is prevented from being deformed outwardly by the pressure applied by the punch member 18, and in this state, a groove portion w2 extending in the circumferential direction is formed in the convex portion w1.
上記溝部w2形成に際し、上記凸部w1はパンチ
部材１８の先端加圧面２３による加圧作用によつ
て変形し、その周方向両側端コーナー部を除く部
分の材料は加圧作用方向に押しやられ、周方向両
端コーナー部の材料は上記加圧面２３の両側端部
に設けた傾斜面２３ａ，２３ａによつて凸部中央
方向に押しやられることになる。この結果、凸部
w1のコーナー部材料の一部が凹部w3側にはみ出
すことがない。そして、上記凸部w1に溝部w2を
形成した後、ラム１を上昇させて上記スライドブ
ロツク部材１１およびスライドカム部材９を上記
移動方向と逆方向に移動させ、ワーク受け部材２
１のドラムＷ外側面への接触状態およびパンチ部
材１８のドラムＷ内側面への押圧状態を解除する
とともに、ワーク押え２４を上方移動させてドラ
ムＷの押圧保持状態を解除した後、ドラムＷを保
持部材６より取り外し、再び他のドラムＷを保持
部材６にセツトして上記操作を繰り返すことで凸
部w1に溝部w2を形成する。 When forming the groove w 2 , the convex portion w 1 is deformed by the pressure applied by the tip pressure surface 23 of the punch member 18, and the material of the portion excluding the corner portions at both circumferential ends is pushed in the direction of the pressure applied. As a result, the material at both corners in the circumferential direction is pushed toward the center of the convex portion by the inclined surfaces 23a, 23a provided at both ends of the pressurizing surface 23. As a result, the convex
A part of the corner material of w1 does not protrude into the recess w3 side. After forming the groove w 2 in the convex portion w 1 , the ram 1 is raised to move the slide block member 11 and the slide cam member 9 in the opposite direction to the movement direction, and the work receiving member 2
After releasing the state of contact with the outer surface of the drum W and the pressing state of the punch member 18 against the inner surface of the drum W, the work holder 24 is moved upward to release the pressed state of the drum W, and then the drum W is released. It is removed from the holding member 6, another drum W is set on the holding member 6 again, and the above operation is repeated to form the groove portion w2 in the convex portion w1 .
したがつて、上記実施例では、上述の如く、ワ
ークＷの凸部w1に周方向に延びる溝部w2を形成
する際、凸部w1の周方向両側端コーナー部の材
料が凸部w1両側の凹部w3，w3にはみ出すことが
ないので、その後、インターナルギヤ等の内装部
品をドラムＷへ内装する際にその操作をスムーズ
に行うことができる。 Therefore, in the above embodiment, when forming the circumferentially extending groove w2 in the convex portion w1 of the workpiece W, the material of the corner portions of both circumferential ends of the convex portion w1 is the same as that of the convex portion w. 1. Since it does not protrude into the recesses w 3 and w 3 on both sides, subsequent operations can be performed smoothly when interior parts such as internal gears are inserted into the drum W.
また、切断を伴わずに単にプレスするのみであ
るので、バリ、カエリ等の除去やワークの強度低
下等の問題を生じることがない。 Further, since only pressing is performed without cutting, problems such as removal of burrs, burrs, etc. and reduction in strength of the work do not occur.
なお、上記実施例ではワークとして自動車用ト
ルクコンバータのコネクテイングドラムＷを例示
したが、これに限らず、内周面に凸部を有し、該
凸部に周方向に溝部を形成するものであれば適用
可能である。 In the above embodiment, the connecting drum W of an automobile torque converter is used as an example of the workpiece, but the present invention is not limited to this. If so, it is applicable.
（考案の効果）
以上説明したように、本考案のパンチ装置によ
れば、内周面に凹凸部が形成されたワーク内周面
の上記凸部を加圧するパンチ手段の先端加圧面の
両側端部に、凸部の加圧過程において該凸部両側
端のコーナー部を内方に押圧して該コーナー部材
料を凸部中央方向に押圧移動させる傾斜面を形成
したものであるので、バリ、カエリ等の除去やワ
ークの強度低下等の問題を生じることなく、上記
凸部のコーナー部材料の一部が凹部側へ膨出部と
してはみ出すのを防止でき、従来行われていた膨
出部を取り除く手間が省けて、溝部の形成後、内
装部品をワークへスムーズに内装することができ
る。(Effect of the invention) As explained above, according to the punching device of the invention, both ends of the tip pressurizing surface of the punch means for pressurizing the convex portion of the inner peripheral surface of the workpiece having the uneven portion formed on the inner peripheral surface. Since the inclined surface is formed on the part to press the corner parts at both ends of the convex part inwardly and move the corner part material toward the center of the convex part in the process of applying pressure to the convex part, burrs, It is possible to prevent part of the corner material of the convex part from protruding into the concave part as a bulge, without causing problems such as removing burrs or reducing the strength of the workpiece. This eliminates the trouble of removing the interior parts, and after forming the grooves, the interior parts can be smoothly installed onto the workpiece.
第１図ないし第５図は本考案の実施例を示し、
第１図はパンチ装置の全体概略断面図、第２図は
溝部形成後におけるドラムの斜視図、第３図およ
び第４図はそれぞれ第２図の−線および−
線における断面図、第５図はパンチ部材による
加圧操作を説明する要部拡大横断面図である。第
６図は従来例における第５図相当図である。
６……保持部材、１８……パンチ部材、２１…
…ワーク受け部材、２３……加圧面、２３ａ……
傾斜面、Ｗ……ドラム、w1……凸部、w2……溝
部。
1 to 5 show embodiments of the present invention,
FIG. 1 is an overall schematic sectional view of the punching device, FIG. 2 is a perspective view of the drum after grooves are formed, and FIGS. 3 and 4 are the - and - lines in FIG. 2, respectively.
FIG. 5 is an enlarged cross-sectional view of the main part for explaining the pressurizing operation by the punch member. FIG. 6 is a diagram corresponding to FIG. 5 in the conventional example. 6... Holding member, 18... Punch member, 21...
... Workpiece receiving member, 23 ... Pressure surface, 23a ...
Inclined surface, W...Drum, w1 ...Protrusion, w2 ...Groove.
Claims (1)
成されたワークの内周面の凸部に周方向に延びる
溝部を形成するパンチ装置であつて、上記ワーク
を内部より保持する保持部材と、ワーク内側に上
記凸部に対して進退可能に設けられ、先端に凸部
を加圧して上記溝部を形成する加圧面を有するパ
ンチ手段と、上記ワークの外側に該パンチ手段の
加圧面に対応して配置され、ワーク外周面に当接
するワーク受け部材とを備え、上記パンチ手段の
加圧面の両側端部には、ワーク凸部の加圧過程に
おいてワーク凸部の両側端コーナー部を内方に押
圧する傾斜面が形成されていることを特徴とする
パンチ装置。 A punch device for forming a circumferentially extending groove in a convex portion of an inner circumferential surface of a workpiece having a substantially cylindrical shape and an inner circumferential surface having an uneven shape in the circumferential direction, the punching device having a holding member for holding the workpiece from the inside. , a punch means provided on the inside of the workpiece so as to be movable toward and away from the convex part, and having a pressure surface at its tip that applies pressure to the convex part to form the groove part; and a punch means on the outside of the workpiece that corresponds to the pressure surface of the punch means. and a workpiece receiving member which is arranged to be in contact with the outer peripheral surface of the workpiece, and a workpiece receiving member is provided at both ends of the pressurizing surface of the punching means, and the corner portions of both side ends of the workpiece convexity are inwardly disposed in the process of pressurizing the workpiece convexity. A punching device characterized in that an inclined surface is formed to press the punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985120132U JPH0341858Y2 (en) | 1985-08-05 | 1985-08-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985120132U JPH0341858Y2 (en) | 1985-08-05 | 1985-08-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6229831U JPS6229831U (en) | 1987-02-23 |
| JPH0341858Y2 true JPH0341858Y2 (en) | 1991-09-03 |
Family
ID=31008163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985120132U Expired JPH0341858Y2 (en) | 1985-08-05 | 1985-08-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0341858Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019151149A1 (en) * | 2018-01-31 | 2019-08-08 | アイシン・エィ・ダブリュ株式会社 | Tooth part manufacturing method, tooth part, and tooth part processing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622697B (en) * | 2019-01-29 | 2024-01-16 | 浙江哈尔斯真空器皿股份有限公司 | Reinforcement punching die |
-
1985
- 1985-08-05 JP JP1985120132U patent/JPH0341858Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019151149A1 (en) * | 2018-01-31 | 2019-08-08 | アイシン・エィ・ダブリュ株式会社 | Tooth part manufacturing method, tooth part, and tooth part processing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6229831U (en) | 1987-02-23 |
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