JPH0818083B2 - Method of manufacturing a cylindrical metal fitting with a collar - Google Patents
Method of manufacturing a cylindrical metal fitting with a collarInfo
- Publication number
- JPH0818083B2 JPH0818083B2 JP2021615A JP2161590A JPH0818083B2 JP H0818083 B2 JPH0818083 B2 JP H0818083B2 JP 2021615 A JP2021615 A JP 2021615A JP 2161590 A JP2161590 A JP 2161590A JP H0818083 B2 JPH0818083 B2 JP H0818083B2
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical metal
- metal fitting
- tool
- receiving jig
- center line
- 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 - Fee Related
Links
Landscapes
- Forging (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、ゴム付きブツシユ等の部品として使用す
る鍔付き円筒金具の製造方法に関する。TECHNICAL FIELD The present invention relates to a method for manufacturing a cylindrical metal fitting with a collar used as a component such as a bush with rubber.
円筒金具の端部の外周に鍔が形成された金具を塑性加
工で製造するには、プレスで管の端を外側に45°に拡大
し、更に別の金型を用いて管端を管に対して90°になる
ように外側に折り曲げるプレス加工により製造してい
る。To manufacture a metal fitting with a rim on the outer circumference of the end of the cylindrical metal fitting by plastic working, expand the end of the pipe to 45 ° outside with a press, and then use another mold to turn the pipe end into a pipe. It is manufactured by press work that bends outward so that it becomes 90 °.
この方法ではプレスを２回行う必要があり、その上形
成された鍔の外周をきちんとした形にする為機械切削を
施し仕上げる必要があつた。In this method, pressing had to be carried out twice, and it was necessary to machine and finish the outer periphery of the collar formed on it in order to give it a proper shape.
本発明は一工程で鍔の外周もきれいに成形出来る鍔付
き円筒金具の製造方法を得ることを課題としたものであ
る。It is an object of the present invention to obtain a method for manufacturing a cylindrical metal fitting with a collar that can cleanly form the outer periphery of the collar in one step.
本発明は、一端近くに円盤状面と、該円盤状面に円盤
状面と同心に形成された端面側に細くなる円錐状又は断
面が凸円弧状の突起と、該突起の円盤状面への連続部に
形成された断面凹円弧状の環状曲面とを有する工具を用
い、円筒金具の内周面に嵌合する突出部を有するノツク
アウトピンを内蔵した円筒状の受け治具内に、一端部を
突出させて挿入した円筒金具を受け治具の内周面とノツ
クアウトピンの突出部との間で保持し、前記工具を円筒
金具の中心線に対して傾斜した状態で円筒金具の中心線
の回りに回転させながら、円筒金具の受け治具から突出
させた一端部内側を工具の環状曲面で円筒金具の中心線
に沿って押し、前記の受け治具の端面の内周に沿つて形
成した環状段部に、円筒金具の一端部を工具の円盤状面
で押し付けて鍔を形成した後、円筒金具をノツクアウト
ピンで突き上げて受け治具から取り出す鍔付き円筒金具
の製造方法にある。The present invention provides a disk-shaped surface near one end, a conical or cross-sectionally convex arc-shaped projection that is formed on the disk-shaped surface concentrically with the disk-shaped surface and that narrows toward the end surface, and a disk-shaped surface of the projection. Using a tool having an annular curved surface with a concave arc-shaped cross section formed in a continuous portion of, in a cylindrical receiving jig having a built-in knockout pin having a protruding portion that fits on the inner peripheral surface of the cylindrical metal fitting, The cylindrical metal fitting inserted with its one end protruding is held between the inner peripheral surface of the jig and the protrusion of the knockout pin, and the tool of the cylindrical metal fitting is tilted with respect to the center line of the cylindrical metal fitting. While rotating around the center line, push the inside of one end of the cylindrical metal fitting protruding from the receiving jig along the center line of the cylindrical metal fitting with the annular curved surface of the tool, and move along the inner circumference of the end surface of the receiving jig. The one end of the cylindrical metal fitting is pressed against the annular step formed by the tool with the disc-shaped surface of the tool to form a tsuba. After, in the manufacturing method of the flanged cylindrical metal retrieve the cylindrical fitting from push-up receiving jig Notsukuautopin.
本発明では、円筒金具の一端内側を、円筒金具の中心
線に対して傾斜した状態で円筒金具の中心線の回りに工
具を回転させながら、工具の環状曲面で円筒金具の中心
線に沿い押し、円筒金具の受け治具の端面の内周に沿つ
て形成した環状段部に、円筒金具の端部を工具の円盤状
面で押し付けて円筒金具に鍔を形成するので、一工程で
鍔が形成でき、鍔の外周も環状段部の外周で同時に同心
円状にきれいに成形出来る。In the present invention, one end of the cylindrical metal fitting is pushed along the center line of the cylindrical metal fitting with the annular curved surface of the tool while rotating the tool around the center line of the cylindrical metal fitting in a state of being inclined with respect to the center line of the cylindrical metal fitting. , The end of the cylindrical metal fitting is pressed by the disc-shaped surface of the tool on the annular step formed along the inner circumference of the end surface of the receiving jig of the cylindrical metal fitting to form the flange on the cylindrical metal fitting. It can be formed, and the outer periphery of the collar can be formed concentrically at the same time on the outer periphery of the annular step portion.
第４図はローラーヘツドという呼び名で市販されてい
る工具で、例えばボール盤軸13に固定できる本体11に中
心線が、本体11の外でボール盤軸13と交差し、本体11に
自由に回転出来るように支持された加工軸12を有する。FIG. 4 shows a tool commercially available under the name of roller head. For example, the center line of the main body 11 that can be fixed to the drilling machine shaft 13 intersects with the drilling machine shaft 13 outside the main body 11 so that the main body 11 can freely rotate. It has a processing shaft 12 supported by.
本発明に用いる工具１は第１〜３図に示すように、軸
２の一端近くに形成された円盤状面３と、該円盤状面３
に円盤状面３と同心に形成された端面側に細くなる円錐
状又は断面が凸円弧状の突起４と、該突起４の円盤状面
３への連続部に形成された断面凹円弧状の環状曲面５と
を有する。この工具の軸２を、第４図のローラーヘツド
の加工軸12と中心線を一致させて取付け使用する。As shown in FIGS. 1 to 3, the tool 1 used in the present invention has a disk-shaped surface 3 formed near one end of a shaft 2 and the disk-shaped surface 3.
A conical or convex arcuate cross section which is formed concentrically with the disk-shaped surface 3 toward the end face, and a concave arcuate cross-section formed in a continuous portion of the projection 4 to the disk-shaped surface 3. And an annular curved surface 5. The shaft 2 of this tool is attached and used with its center line aligned with the processing shaft 12 of the roller head shown in FIG.
一方、円筒金具９は受け治具６に一端を突出させて保
持させる。受け治具６は円筒状で、その内側には円筒金
具９の内周面に嵌合する突出部8aを有するノツクアウト
ピン８が挿入され、この受け治具６の内周面とノツクア
ウトピン８の突出部8aとの間に円筒金具９を挿入して保
持させてある。受け治具６の円筒金具９の一端を突出さ
せた端面には、内周に沿い環状段部７が形成されてい
る。On the other hand, the cylindrical metal fitting 9 is held by the receiving jig 6 by projecting one end thereof. The receiving jig 6 has a cylindrical shape, and a knockout pin 8 having a projecting portion 8a that fits into the inner peripheral surface of the cylindrical metal fitting 9 is inserted inside the receiving jig 6, and the inner peripheral surface of the receiving jig 6 and the knockout pin 8 are inserted. A cylindrical metal fitting 9 is inserted and held between the protruding portion 8a and the protruding portion 8a. An annular step portion 7 is formed along the inner circumference of the end surface of the receiving jig 6 from which one end of the cylindrical metal member 9 is projected.
このように受け治具６に保持せしめた円筒金具９の中
心線０−０がボール盤軸13の中心線０′−０′と一致す
るように配置する。In this way, the center line 0-0 of the cylindrical metal fitting 9 held by the receiving jig 6 is arranged so as to coincide with the center line 0'-0 'of the drilling machine shaft 13.
工具１の突起４の外径の最大部は、円筒金具９の内径
より小さく、円盤状面３の外径はボール盤軸13の中心線
と円筒金具９の中心線を一致させた状態で、環状段部７
の外周に達する大きさに形成されている。The maximum outer diameter of the protrusion 4 of the tool 1 is smaller than the inner diameter of the cylindrical metal fitting 9, and the outer diameter of the disk-shaped surface 3 is circular with the center line of the drilling machine shaft 13 and the center line of the cylindrical metal fitting 9 aligned. Step 7
Is formed to reach the outer circumference of the.
上記のように配置された工具１の環状曲面５を円筒金
具９の受け治具６から突出させた端部内側に接触させボ
ール盤軸13を回転しつつ円筒金具９の方に移動させる
と、工具１は自転しつつ円筒金具９の内周に沿つて回転
し、第２図に示すように、円筒金具９を端から次第に外
側に折り曲げ、最後には第３図に示すように、折り曲げ
部を円盤状面３で受け治具６の環状段部７に押し付けて
円筒金具９の端部に鍔10を形成すると同時に、環状段部
７の外周で鍔10の外周を成形する。このようにして鍔10
が形成された円筒金具９は、ノツクアウトピン８により
突き出され、受け治具６から容易に取り出して回収でき
る。When the annular curved surface 5 of the tool 1 arranged as described above is brought into contact with the inside of the end of the cylindrical metal fitting 9 projecting from the receiving jig 6 and the drilling machine shaft 13 is rotated and moved toward the cylindrical metal fitting 9, 1 rotates while rotating along the inner circumference of the cylindrical metal fitting 9 and gradually bends the cylindrical metal fitting 9 outward from the end as shown in FIG. 2 and finally as shown in FIG. The disk-shaped surface 3 presses against the annular step portion 7 of the receiving jig 6 to form the collar 10 at the end of the cylindrical metal fitting 9, and at the same time, the outer periphery of the annular step portion 7 forms the outer periphery of the collar 10. In this way Tsuba 10
The cylindrical metal member 9 in which is formed is projected by the knockout pin 8 and can be easily taken out from the receiving jig 6 and collected.
本発明製造方法によれば、円筒金具の一端部に一工程
で鍔を塑性加工できると共に、鍔の形状を受け治具の環
状段部に合わせて成形するので、鍔の外周も仕上げ加工
を必要としないように精度よくきれいに成形することが
でき、しかも鍔を形成した円筒金具を受け治具から容易
に取り出して回収することが出来る。According to the manufacturing method of the present invention, the collar can be plastically processed in one step on one end of the cylindrical metal fitting, and the collar is shaped according to the annular step portion of the jig, so that the outer periphery of the collar also needs to be finished. Therefore, it is possible to accurately and cleanly mold the metal fittings, and it is possible to easily take out the cylindrical metal fittings having the collars from the jig and collect them.
第１図ないし第３図に本発明の鍔付き円筒金具の製造方
法の一実施例の加工経過を順次に示した説明図、第４図
は本発明に用いる工具１の駆動装置の一例の説明図であ
る。 １……工具、２……軸 ３……円盤状面、４……突起 ５……環状曲面、６……受け治具 ７……環状段部、８……ノツクアウトピン ９……円筒金具、10……鍔 11……ローラーヘツドの本体 12……加工軸、13……ボール盤軸1 to 3 are explanatory views sequentially showing the working process of one embodiment of the method for manufacturing a flanged cylindrical metal fitting of the present invention, and FIG. 4 is an illustration of an example of a drive device for a tool 1 used in the present invention. It is a figure. 1 ... Tool, 2 ... Shaft 3 ... Disc-shaped surface, 4 ... Protrusion 5 ... Annular curved surface, 6 ... Receiving jig 7 ... Annular step, 8 ... Knockout pin 9 ... Cylindrical metal fitting , 10 …… Tsuba 11 …… Roller head body 12 …… Machining axis, 13 …… Drilling machine axis
Claims (1)
状面と同心に形成された端面側に細くなる円錐状又は断
面が凸円弧状の突起と、該突起の円盤状面への連続部に
形成された断面凹円弧状の環状曲面とを有する工具を用
い、円筒金具の内周面に嵌合する突出部を有するノツク
アウトピンを内蔵した円筒状の受け治具内に、一端部を
突出させて挿入した円筒金具を受け治具の内周面とノツ
クアウトピンの突出部との間で保持し、前記工具を円筒
金具の中心線に対して傾斜した状態で円筒金具の中心線
の回りに回転させながら、円筒金具の受け治具から突出
させた一端部内側を工具の環状曲面で円筒金具の中心線
に沿って押し、受け治具の端面の内周に沿って形成した
環状段部に円筒金具の一端部を工具の円盤状面で押し付
けて鍔を形成した後、円筒金具をノツクアウトピンで突
き上げて受け治具から取り出す鍔付き円筒金具の製造方
法。1. A disk-shaped surface near one end, a conical or cross-section convex arc-shaped projection that is formed concentrically with the disk-shaped surface on the end surface side, and a disk-shaped surface of the projection. Using a tool having an annular curved surface with a concave arc-shaped cross section formed in a continuous portion of the inside of a cylindrical receiving jig with a knockout pin having a protruding portion that fits on the inner peripheral surface of the cylindrical metal fitting. , A cylindrical metal fitting inserted with its one end projecting is held between the inner peripheral surface of the jig and the projection of the knockout pin, and the tool is inclined with respect to the center line of the cylindrical metal fitting. While rotating around the center line of the tool, push the inside of one end of the cylindrical metal fitting projecting from the receiving jig along the center line of the cylindrical metal fitting with the annular curved surface of the tool, along the inner circumference of the end surface of the receiving jig. A flange is formed by pressing one end of the cylindrical metal fitting against the formed annular step with the disc-shaped surface of the tool. The method of flanged cylindrical metal retrieve the cylindrical fitting from push-up receiving jig Notsukuautopin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021615A JPH0818083B2 (en) | 1990-01-31 | 1990-01-31 | Method of manufacturing a cylindrical metal fitting with a collar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021615A JPH0818083B2 (en) | 1990-01-31 | 1990-01-31 | Method of manufacturing a cylindrical metal fitting with a collar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03226314A JPH03226314A (en) | 1991-10-07 |
| JPH0818083B2 true JPH0818083B2 (en) | 1996-02-28 |
Family
ID=12059953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021615A Expired - Fee Related JPH0818083B2 (en) | 1990-01-31 | 1990-01-31 | Method of manufacturing a cylindrical metal fitting with a collar |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0818083B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008060179A1 (en) * | 2008-11-30 | 2010-07-29 | Brandenburgische Technische Universität Cottbus | Solar cell with electrostatic local fields in the photoactive area |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007040352A (en) * | 2005-08-02 | 2007-02-15 | Kayaba Ind Co Ltd | Fixing method for nut |
| JP5256327B2 (en) * | 2011-06-20 | 2013-08-07 | 株式会社神戸製鋼所 | Crankshaft fatigue strength improving method and processing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6327859Y2 (en) * | 1980-11-06 | 1988-07-27 | ||
| JPS59163029A (en) * | 1983-03-07 | 1984-09-14 | Daiwa Can Co Ltd | Flange forming head of thin walled metallic cylinder |
-
1990
- 1990-01-31 JP JP2021615A patent/JPH0818083B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008060179A1 (en) * | 2008-11-30 | 2010-07-29 | Brandenburgische Technische Universität Cottbus | Solar cell with electrostatic local fields in the photoactive area |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03226314A (en) | 1991-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |