JPH0197331A - Forming method for rivet type electric contact - Google Patents
Forming method for rivet type electric contactInfo
- Publication number
- JPH0197331A JPH0197331A JP25408387A JP25408387A JPH0197331A JP H0197331 A JPH0197331 A JP H0197331A JP 25408387 A JP25408387 A JP 25408387A JP 25408387 A JP25408387 A JP 25408387A JP H0197331 A JPH0197331 A JP H0197331A
- Authority
- JP
- Japan
- Prior art keywords
- rivet
- contact
- type electrical
- electrical contact
- leg
- 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.)
- Granted
Links
Landscapes
- Forging (AREA)
- Manufacture Of Switches (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、リベット型電気接点の加工方法の改良に関す
る。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an improvement in a method for manufacturing a rivet-type electrical contact.
（従来の技術）
従来、リベット型電気接点を作るには、第２図ａに示す
ベース材１と接点材２を、第２図すに示す如くノックア
ウトピン３を備えた脚部ダイス４と予備成形パンチ５に
て圧接すると共に頭部団粒状のりベント型電気接点６に
予備成形し、然る後そのリベット型電気接点６の団粒状
の頭部６ａを第２図Ｃに示す如く円形台形の凹部７ａを
有する仕上成形パンチ７にて台形状の頭部８に仕上成形
して、リベット型電気接点９を得ていた。そしてこのリ
ベット型電気接点９を第 図ｄに示す如くノックアウト
ピン３にてノックアウトして脚部ダイス４の穴４ａより
排出落下していた。(Prior Art) Conventionally, in order to make a rivet type electrical contact, the base material 1 and the contact material 2 shown in FIG. While pressing with a forming punch 5, the head part is preformed into a bent-type electrical contact 6 with glue, and then the particulate-like head 6a of the rivet-type electrical contact 6 is formed into a circular trapezoidal shape as shown in FIG. 2C. A rivet-type electrical contact 9 was obtained by final forming a trapezoidal head 8 using a finishing punch 7 having a recess 7a. The rivet-type electrical contact 9 was then knocked out with the knockout pin 3 as shown in FIG.
（発明が解決しようとする問題点）
ところで、上記リベット型電気接点９の脚部１０を成形
する脚部ダイス４の穴４ａは、一般に第２図ｄに示され
るようにストレートの穴４ａか、第３図に示されるよう
に絞り穴４ｂに二分される。(Problems to be Solved by the Invention) By the way, the holes 4a of the leg die 4 for forming the legs 10 of the rivet type electrical contact 9 are generally straight holes 4a, as shown in FIG. 2d, or As shown in FIG. 3, it is divided into two parts by an aperture hole 4b.
第２図ｄに示されるストレートの穴４ａはリベット型電
気接点９の脚部１０の長さを自由に変えられる利点があ
るが、脚部１０の長さが著しく長い場合には、穴４ａに
対する脚部１０の密着面積が大きい為、リベット型電気
接点９のノックアウト時の負荷が大きく、ノックアウト
ピン３が折れたり、脚部１０の底面にぼりゃかえりが発
生するという問題点があった。The straight hole 4a shown in FIG. Since the contact area of the leg part 10 is large, the load upon knocking out the rivet type electrical contact 9 is large, causing problems such as the knockout pin 3 breaking and the bottom surface of the leg part 10 being burred.
（発明の目的）
本発明は上記問題点を解決すべくなされたもので、脚部
の長さが長くてもリベット型電気接点のノックアウト時
、ノックアウトピンが折れたり、脚部底面にぼりゃかえ
りが発生しないように簡単にノックアウトできるような
脚部を形成するリベット型電気接点の製造方法を提供す
ることを目的とするものである。(Purpose of the Invention) The present invention was made to solve the above-mentioned problems, and even if the length of the leg is long, when knocking out a rivet-type electrical contact, the knockout pin may break or dent the bottom of the leg. It is an object of the present invention to provide a method for manufacturing a rivet-type electrical contact that forms legs that can be easily knocked out to prevent the occurrence of rupture.
（問題点を解決するための手段）
上記問題点を解決するだめの本発明のリベット型電気接
点の加工方法は、ベース材と接点材を、ノックアウトピ
ンを備えた脚部ダイスと予備成形パンチにて圧接すると
共に頭部団粒状のリヘ・ノド型電気接点に予備成形し、
然る後そのリベット型電気接点の団粒状の頭部を仕上形
成パンチにて台形状に仕上成形するリベット型電気接点
の加工方法に於いて、前記脚部ダイスに、穴の間口径が
内部の径よりも大きいテーパ付穴を有する脚部ダイスを
用いることを特徴とするものである。(Means for Solving the Problems) A method for processing a rivet-type electrical contact according to the present invention which solves the above-mentioned problems is to combine a base material and a contact material into a leg die equipped with a knockout pin and a preforming punch. At the same time, it is preformed into a rehe-node type electrical contact with a head cluster shape.
In the method for manufacturing a rivet-type electrical contact in which the aggregate-like head of the rivet-type electrical contact is then finished-formed into a trapezoidal shape using a finish-forming punch, the diameter of the hole in the leg die is It is characterized by using a leg die having a tapered hole larger than the diameter.
（作用）
上述の如く本発明のリベット型電気接点の加工方法では
、脚部ダイスにテーパ付穴を有する脚部ダイスを用いる
ので、脚部の長いリベット型電気接点を加工してもノッ
クアウト時チーバイ］穴と脚部との摩擦抵抗が小さく、
負荷が小さいので、容易に脚部ダイスよりリベット型電
気接点をノ・ツクアウトでき、ノックアウトピンが折れ
たり、リベット型電気接点の脚部の底面にぼりゃかえり
が発生することがないものである。(Function) As described above, in the method for machining a rivet-type electrical contact of the present invention, a leg die having a tapered hole is used, so even if a rivet-type electrical contact with a long leg is machined, it will not be easily knocked out. ]The frictional resistance between the hole and the leg is small,
Since the load is small, the rivet-type electrical contact can be easily knocked out from the leg die, and the knockout pin does not break or burrs do not occur on the bottom surface of the leg of the rivet-type electrical contact.
（実施例）
本発明によるリベット型電気接点の加工方法の一実施例
について説明すると、第１図ａに示す直径１．８５ｍｍ
、長さ１４．１ｍｍのＣｕより成るベース材］と直径１
．６５１ｍ、長さ２．０１１のＡｇより成る接点材２を
、第１図すに示す如く直径１．９１ｍのノックアウトピ
ン３を備え開口径１．９５１ｍ、内部径１．９鶴のテー
パ付穴４Ｃを有する脚部ダイス４′と開口径３ 、５
ＩＩ、底部径１．７鰭、深さ１．５６ｍｍの凹部５ａを
有する予備成形バンチ５にて圧接すると共に頭部団粒状
のリベット型電気接点６に予備成形し、然る後そのリベ
ット型電気接点６の団粒状の頭部６ａを第工図Ｃに示す
如く開口径３．５關、底部径３．１ｍｍ、深さ１ 、１
ｍｍ円形台形の凹部７ａを有する仕上成形バンチ７に
て台形状の頭部８に仕上成形して、リベット型電気接点
９を得た。そしてこのリベット型電気接点９を第１図ｄ
に示す如くノックアウトピン３にてノックアウトした処
、スムースに脚部ダイス４′のテーパ付穴４Ｃより排出
落下した。(Example) An example of the method for manufacturing a rivet-type electrical contact according to the present invention will be described.
, a base material made of Cu with a length of 14.1 mm] and a diameter of 1
．． A contact material 2 made of Ag with a length of 651 m and a length of 2.011 m is provided with a knockout pin 3 of 1.91 m in diameter as shown in Fig. 1, and a tapered hole 4C with an opening diameter of 1.951 m and an internal diameter of 1.9 mm. Leg die 4' with opening diameters 3 and 5
II. The preformed bunch 5 having a concave portion 5a with a bottom diameter of 1.7 mm and a depth of 1.56 mm is pressed together and preformed into a rivet type electrical contact 6 with a head aggregate shape, and then the rivet type electrical contact is As shown in the construction drawing C, the aggregated head 6a of the contact 6 has an opening diameter of 3.5 mm, a bottom diameter of 3.1 mm, and a depth of 1.1 mm.
A rivet-type electrical contact 9 was obtained by final molding into a trapezoidal head 8 using a final molding bunch 7 having a trapezoidal concave portion 7a having a diameter of 2 mm. This rivet type electrical contact 9 is shown in FIG.
As shown in the figure, when it was knocked out with the knockout pin 3, it was smoothly discharged and dropped from the tapered hole 4C of the leg die 4'.
こうして得られたリベット型電気接点９を１０００個品
質検査した処、脚部１０の底面にぼりゃかえりの発生は
全く無かった。またリベット型電気接点９を工万個ノン
クアウトしてもノックアウトピン３は折れることが無か
った。When the quality of 1,000 rivet-type electrical contacts 9 thus obtained was inspected, no burrs were found on the bottom surfaces of the legs 10. Further, even after tens of thousands of rivet-type electrical contacts 9 were removed without being knocked out, the knockout pin 3 did not break.
（発明の効果）
以」二の説明で判るように本発明のりベント型電気接点
の製造方法によれば、脚部の長さの長いリベット型電気
接点を作って、脚部ダイスよりノソクアウトした際、ノ
ックアウトピンが折れたり、脚部底面にぼりゃかえりが
発生せず、スムースにノックアウトできるという優れた
効果がある。(Effects of the Invention) As can be seen from the explanation in Section 2 below, according to the method of manufacturing a glue bent type electrical contact of the present invention, when a rivet type electrical contact with a long leg is made and the leg is cut out from the leg die, This has the excellent effect of allowing smooth knockout without breaking the knockout pin or causing burrs on the bottom of the leg.
第１図ａ乃至ｄは本発明のりベント型電気接点の製造方
法の一実施例を示す図、第２図ａ乃至ｄは従来のリベッ
ト型電気接点の製造方法を示す図、第３図は従来の絞り
穴付脚部ダイスを示す図である。
出願人 田中貴金属工業株式会社
１ ・・・へ゛−ズオオ
２ ・・・揉８ど材
３°゛°ノックアクトビン
６・・・豆４トｔに用＃イ大シリソベー・ト型り虻ηゴ
多曜乞６Ｑ・・・団ｆｉ、ｌガのゾ白薯す
第１図
（ＣＩ）（ｂ）
（Ｃ’）（ｄ）
第２図
（Ｑ） （ｂ）
（ｃ） （ｄ）
・ ＬFigures 1a to d are diagrams showing an embodiment of the method for manufacturing a glue bent type electrical contact of the present invention, Figures 2a to d are diagrams showing a conventional method for manufacturing a rivet type electrical contact, and Figure 3 is a diagram showing a conventional method for manufacturing a rivet type electrical contact. FIG. Applicant: Tanaka Kikinzoku Kogyo Co., Ltd. 1...Head size 2...Rolling material 3°゛°Knock act bottle 6...#A large silisobate for 4 beans Tayogo 6Q...Dan fi, lga's white potato Fig. 1 (CI) (b) (C') (d) Fig. 2 (Q) (b) (c) (d) ・L
Claims (1)
イスと予備成形パンチにて圧接すると共に頭部団粒状の
リベット型電気接点に予備成形し、然る後そのリベット
型電気接点の団粒状の頭部を仕上形成パンチにて台形状
に仕上成形するリベット型電気接点の加工方法に於いて
、前記脚部ダイスに、穴の開口径が内部の径よりも大き
いテーパ付穴を有する脚部ダイスを用いることを特徴と
するリベット型電気接点の加工方法。The base material and the contact material are pressed into contact with each other using a leg die equipped with a knockout pin and a preforming punch, and are preformed into a rivet-type electric contact with a head agglomerate. In a method for processing a rivet-type electrical contact in which the head is finished formed into a trapezoidal shape using a finishing punch, the leg die has a tapered hole with an opening diameter larger than an internal diameter. A method for processing a rivet-type electrical contact, characterized by using.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62254083A JP2565928B2 (en) | 1987-10-08 | 1987-10-08 | Rivet type electrical contact processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62254083A JP2565928B2 (en) | 1987-10-08 | 1987-10-08 | Rivet type electrical contact processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0197331A true JPH0197331A (en) | 1989-04-14 |
| JP2565928B2 JP2565928B2 (en) | 1996-12-18 |
Family
ID=17259987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62254083A Expired - Lifetime JP2565928B2 (en) | 1987-10-08 | 1987-10-08 | Rivet type electrical contact processing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2565928B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842448A (en) * | 2011-06-24 | 2012-12-26 | 三菱综合材料C.M.I.株式会社 | Method of manufacturing composite contact |
| JP2013244517A (en) * | 2012-05-28 | 2013-12-09 | Mitsubishi Electric Corp | Method and device for manufacturing forged component |
| CN105033144A (en) * | 2015-07-28 | 2015-11-11 | 贵州天义电器有限责任公司 | Die and method for manufacturing thin and long brass rivet |
-
1987
- 1987-10-08 JP JP62254083A patent/JP2565928B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842448A (en) * | 2011-06-24 | 2012-12-26 | 三菱综合材料C.M.I.株式会社 | Method of manufacturing composite contact |
| WO2012176843A1 (en) * | 2011-06-24 | 2012-12-27 | 三菱マテリアルシーエムアイ株式会社 | Method of manufacturing composite contact |
| JP2013030475A (en) * | 2011-06-24 | 2013-02-07 | Mitsubishi Material C.M.I. Corp | Method for manufacturing composite contact |
| JP2013244517A (en) * | 2012-05-28 | 2013-12-09 | Mitsubishi Electric Corp | Method and device for manufacturing forged component |
| CN105033144A (en) * | 2015-07-28 | 2015-11-11 | 贵州天义电器有限责任公司 | Die and method for manufacturing thin and long brass rivet |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2565928B2 (en) | 1996-12-18 |
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