JP2791683B2 - Contact material joining method - Google Patents
Contact material joining methodInfo
- Publication number
- JP2791683B2 JP2791683B2 JP1126484A JP12648489A JP2791683B2 JP 2791683 B2 JP2791683 B2 JP 2791683B2 JP 1126484 A JP1126484 A JP 1126484A JP 12648489 A JP12648489 A JP 12648489A JP 2791683 B2 JP2791683 B2 JP 2791683B2
- Authority
- JP
- Japan
- Prior art keywords
- contact material
- metal plate
- contact
- joining
- recess
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H2011/0087—Welding switch parts by use of a laser beam
Landscapes
- Welding Or Cutting Using Electron Beams (AREA)
- Resistance Welding (AREA)
- Laser Beam Processing (AREA)
- Manufacture Of Switches (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は接点材料の接合方法、特に板バネ材等から成
り、リレーやスイッチ等に用いられる、金属薄板に導電
性良好な接点材料を接合する方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a method for joining contact materials, and particularly to joining a contact material having good conductivity to a thin metal plate used for a relay, a switch, etc., which is made of a leaf spring material or the like. On how to do it.
（従来の技術） リレーやマイクロスイッチやブレーカー等の接点をレ
ーザ溶接等により基板に接合する手段として、従来、例
えば特公昭62−40119号公報記載の技術が知られてい
る。この従来技術によれば、第６図に示されるように、
接点材料１′と基材である金属板２′とを重ね合せ、基
材両側よりレーザａを照射して溶接する方法が採られて
いる。(Prior Art) As a means for joining a contact point of a relay, a microswitch, a breaker or the like to a substrate by laser welding or the like, a technique described in, for example, Japanese Patent Publication No. 62-40119 has been known. According to this prior art, as shown in FIG.
A method is adopted in which a contact material 1 'and a metal plate 2' as a base material are overlapped, and a laser a is irradiated from both sides of the base material and welded.
（発明が解決しようとする課題） しかしながら、前述した従来の溶接手段によると、接
点材料１′と基材の重ね合せ部を密着させる必要があ
る。さもなくば溶接の溶け込み量が不安定となり、ボイ
ド等の欠陥も生じやすく、接点としての信頼性が低下す
るためである。(Problems to be Solved by the Invention) However, according to the conventional welding means described above, it is necessary to make the contact material 1 'and the overlapped portion of the base material adhere to each other. Otherwise, the penetration of welding becomes unstable, and defects such as voids are liable to occur, and the reliability as a contact decreases.
一方、接点材料１′と基材との間にろう材、半田等の
低融点金属を挟み溶融接合する場合においても接合面を
清浄化し溶融金属のぬれ性を促進させるためにフラック
ス等の活性剤が必要となり、接点表面へのフラックス付
着等の課題があった。On the other hand, even when a low-melting metal such as brazing material or solder is sandwiched between the contact material 1 'and the base material and melt-bonded, an activator such as a flux is used to clean the bonding surface and promote the wettability of the molten metal. Is required, and there has been a problem such as adhesion of flux to the contact surface.
この発明は上記課題を解決するためにされたもので、
その目的とするところは、信頼性の高い接合界面を得る
ことのできる接点材料の接合方法を提供することにあ
る。The present invention has been made to solve the above problems,
It is an object of the present invention to provide a method for joining contact materials that can provide a highly reliable joining interface.
（課題を解決するための手段） 本発明では、接点材料１の接合面のほぼ中央部に凹所
1aを形成し、この凹所1a内に金属板２の一部を絞り加工
または打ち抜き加工して仮保持し、かつ前記凹所1a内に
機械的にこすりながら圧入し、加熱溶着することによ
り、上記目的を達成している。(Means for Solving the Problems) In the present invention, a concave portion is provided at a substantially central portion of the joining surface of the contact material 1.
1a is formed, a part of the metal plate 2 is drawn or punched and temporarily held in the recess 1a, and is press-fitted into the recess 1a while being mechanically rubbed, and heated and welded. The above objective has been achieved.
また、接点材料１の接合面のほぼ中央部に凹所1aまた
は凸所を形成し、金属板２を塑性変形し、この塑性変形
させた部分を前記凹所1aまたは凸所に機械的にこすりな
がら仮保持後、加熱溶着することにより、上記目的を達
成している。Further, a concave portion 1a or a convex portion is formed substantially at the center of the joining surface of the contact material 1, the metal plate 2 is plastically deformed, and the plastically deformed portion is mechanically rubbed into the concave portion 1a or the convex portion. However, the above-mentioned object is achieved by temporarily welding after the temporary holding.
また、金属板２に孔2bまたは凹凸2cを形成し、この孔
2bまたは凹凸2cに接点材料１を圧入または圧着して仮保
持後、加熱溶着することにより、上記目的を達成してい
る。Also, a hole 2b or unevenness 2c is formed in the metal plate 2 and
The above-mentioned object is achieved by press-fitting or crimping the contact material 1 into the 2b or the unevenness 2c and temporarily holding the material, followed by heat welding.
（作用） 上記構成としたため、特に活性剤を用いなくとも仮保
持過程までの間に表面の酸化皮膜の汚れを除去でき、か
つ接点材料と金属板相互を圧入により密着させているの
で、両部材を確実に接合できる。(Function) Because of the above-mentioned configuration, the stain on the oxide film on the surface can be removed before the temporary holding step without using an activator, and the contact material and the metal plate are brought into close contact with each other by press-fitting. Can be securely joined.
（実施例１） 第１図（ａ），（ｂ）は本発明の第１実施例を示すも
ので、この実施例では接点材料１の接合面に凹所1aを形
成し、かつ金属板２を治具４を介し絞り加工するなどし
て塑性変形せしめ、（ｂ）図に示すように、接点材料１
の凹所1aに仮保持し、かつ凹所1a内に機械的にこすりな
がら圧入して密着させている。そして、レーザまたは電
子ビーム等の高エネルギービームを接合部分に照射した
り、抵抗加熱等を行い（図示せず）、溶融接合するよう
にしている。(Embodiment 1) FIGS. 1 (a) and 1 (b) show a first embodiment of the present invention. In this embodiment, a concave portion 1a is formed in a joint surface of a contact material 1 and a metal plate 2 is formed. Is plastically deformed by drawing through a jig 4 or the like, and as shown in FIG.
Is temporarily held in the recess 1a, and is press-fitted into the recess 1a while being mechanically rubbed. Then, a high-energy beam such as a laser or an electron beam is applied to the bonding portion, resistance heating or the like is performed (not shown), and fusion bonding is performed.
なお、上記において金属板２を絞り加工する場合、そ
の部分の酸化皮膜の汚れが除去され、清浄な酸化皮膜の
無い剪断面が接点材料１の凹所1aにこすられながら密着
され、その時、接点材料１の凹所1aの凹面も酸化皮膜の
汚れが除去され清浄化される。When the metal plate 2 is drawn in the manner described above, the stain of the oxide film at that portion is removed, and a sheared surface without a clean oxide film is adhered to the recess 1a of the contact material 1 while being rubbed. The concave surface of the concave portion 1a of the material 1 is also cleaned by removing the stain of the oxide film.
このため、後の加熱処理時にフラックス等の活性剤を
用いなくとも原子の拡散反応が起り易く、安定した接合
が得られるものである。For this reason, even if an activator such as a flux is not used during the subsequent heat treatment, the diffusion reaction of atoms easily occurs, and stable bonding can be obtained.
（実施例２） 第２図（ａ），（ｂ）は本発明の第２実施例を示すも
ので、この例では、前述の第１実施例における金属板２
の絞り加工の変わりに治具３を介し、凹所1aを有する接
点材料１が一方の面に載置された金属板２の他方の面側
から打ち抜き加工し、その突部2aを凹所1a内に仮保持さ
せた点に特徴を有している。なお、溶融接合すべく加熱
処理を行う点は同様である。Embodiment 2 FIGS. 2 (a) and 2 (b) show a second embodiment of the present invention. In this embodiment, the metal plate 2 of the first embodiment is used.
Instead of the drawing process, the contact material 1 having the recess 1a is punched from the other surface of the metal plate 2 placed on one surface via the jig 3, and the protrusion 2a is formed into the recess 1a. The feature is that it is temporarily held inside. In addition, the point which performs heat processing in order to carry out fusion joining is the same.
（実施例３） 第３図（ａ），（ｂ）は本発明の第３実施例を示すも
ので、この実施例では、初めから金属板２にも接点材料
１に形成した凹所1a内に圧入可能な凸所2aを適宜の手段
により形成しておき、その凸所2aを接点材料１の凹所1a
に圧入して仮保持するようにしたものである。この実施
例でも、凸所2aを形成する際の打ち抜き加工、圧入時に
酸化皮膜を除去し得、清浄な面同志の密着による効果を
得ることができる。(Embodiment 3) FIGS. 3 (a) and 3 (b) show a third embodiment of the present invention. In this embodiment, the metal plate 2 is also provided in the recess 1a formed in the contact material 1 from the beginning. A convex portion 2a which can be pressed into the contact material 1 is formed by an appropriate means, and the convex portion 2a is
And is temporarily held by press-fitting. Also in this embodiment, the oxide film can be removed at the time of punching and press-fitting when forming the convex portion 2a, and the effect of close contact between clean surfaces can be obtained.
以上、第１ないし第３実施例の構成は、接点と金属板
とを機械的にこすりながら仮保持させた後、加熱溶着す
るようにしたものである。As described above, in the configurations of the first to third embodiments, the contact point and the metal plate are temporarily held while being mechanically rubbed, and then heated and welded.
また、接点の接合面に凹所を形成し、その凹所を介し
金属板を塑性変形して仮保持させた後、加熱溶着するよ
うにしたものである。In addition, a recess is formed in the joint surface of the contact, the metal plate is plastically deformed through the recess, temporarily held, and then heated and welded.
なお、接点材料１の接合面に凸所を形成し、金属板２
側に凹所を形成し、仮保持させることも可能である。In addition, a convex portion is formed on the joining surface of the contact material 1 and the metal plate 2
It is also possible to form a recess on the side and temporarily hold it.
（実施例４） 第４図（ａ）〜（ｃ）は本発明の第４実施例の工程図
を示す。この実施例では金属板２に孔2bを形成し、この
孔2bにワイヤ状接点１を圧入・切断して仮保持するよう
にしたものである。(Example 4) FIGS. 4 (a) to 4 (c) show process diagrams of a fourth example of the present invention. In this embodiment, a hole 2b is formed in the metal plate 2, and the wire-like contact 1 is press-fitted and cut into the hole 2b to temporarily hold it.
（実施例５） 第５図（ａ），（ｂ）は本発明の第５実施例を示すも
ので、この実施例では、金属板２に孔ではなく凹凸状部
分2cを形成し、これに接点材料１を圧着して仮保持した
ものである。(Embodiment 5) FIGS. 5 (a) and 5 (b) show a fifth embodiment of the present invention. In this embodiment, not a hole but a hole 2c is formed in a metal plate 2, and The contact material 1 is crimped and temporarily held.
これらの実施例においても、圧入や圧着過程でその面
同志を清浄し得る効果を期待できる。Also in these embodiments, the effect of cleaning the surfaces in the press-fitting and crimping processes can be expected.
なお、上記各実施例において、接点材料１と金属板２
の間に、低融点の金属箔を介在せしめ、仮保持するよう
にしても良いことは勿論である。In each of the above embodiments, the contact material 1 and the metal plate 2
Needless to say, a low melting point metal foil may be interposed between them to temporarily hold them.
（発明の効果） 以上のように本発明によれば、接点材料と金属板とを
機械的にこすりながら仮保持させたり、接点材料の接合
面に凹所または凸所を形成し、金属板を塑性変形してそ
の部分に仮保持させたり、金属板に孔または凹凸を形成
し、この金属板に接点材料を圧入して仮保持した後、加
熱溶着するようにしたから、接合面を仮保持過程でボイ
ド、溶け込み不良等の欠陥が少ない信頼性の高い接点を
清浄化でき、かつ接合部を確実に接合でき、ボイド、溶
け込み不良等の欠陥が少ない信頼性の高い接点を得る効
果がある。(Effect of the Invention) As described above, according to the present invention, the contact material and the metal plate are temporarily held while being mechanically rubbed, or the concave or convex portion is formed on the joint surface of the contact material, and the metal plate is formed. Plastically deformed and temporarily held in that part, or holes or irregularities were formed in the metal plate, contact material was pressed into this metal plate and temporarily held, and then heated and welded, so that the joint surface was temporarily held In the process, a highly reliable contact with few defects such as voids and poor penetration can be cleaned, and the joining portion can be securely joined, so that a highly reliable contact with few defects such as void and poor penetration can be obtained.
第１図（ａ），（ｂ）は本発明の第１実施例の工程図、
第２図（ａ），（ｂ）は本発明の第２実施例、第３図
（ａ），（ｂ）は本発明の第３実施例、第４図（ａ）〜
（ｃ）は本発明の第４実施例、第５図（ａ），（ｂ）は
本発明の第５実施例、第６図は従来例である。 １……接点材料、1a……凹所、２……金属板1 (a) and 1 (b) are process diagrams of a first embodiment of the present invention,
FIGS. 2A and 2B show a second embodiment of the present invention, FIGS. 3A and 3B show a third embodiment of the present invention, and FIGS.
(C) is a fourth embodiment of the present invention, FIGS. 5 (a) and (b) are a fifth embodiment of the present invention, and FIG. 6 is a conventional example. 1 contact material, 1a recess, 2 metal plate
───────────────────────────────────────────────────── フロントページの続き (72)発明者 内野々 良幸 大阪府門真市大字門真1048番地 松下電 工株式会社内 (56)参考文献 特開 昭58−129708（ＪＰ，Ａ) 特公 昭61−19351（ＪＰ，Ｂ２) (58)調査した分野(Int.Cl.6，ＤＢ名) B23K 11/11,15/00,26/00 H01H 11/06──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Yoshiyuki Uchino 1048 Odakadoma, Kadoma City, Osaka Prefecture Matsushita Electric Works, Ltd. (56) References JP-A-58-129708 (JP, A) JP-A-61- 19351 (JP, B2) (58) Fields investigated (Int. Cl. 6 , DB name) B23K 11 / 11,15 / 00,26 / 00 H01H 11/06
Claims (3)
を形成し、この凹所1a内に金属板２の一部を絞り加工ま
たは打ち抜き加工して仮保持し、かつ前記凹所1a内に機
械的にこすりながら圧入し、加熱溶着してなる接点材料
の接合方法。1. A concave portion 1a is provided at a substantially central portion of a joining surface of a contact material 1.
A contact material formed by drawing or punching a part of the metal plate 2 in the recess 1a to temporarily hold the metal plate 2, and mechanically rubbing it into the recess 1a while press-fitting and heat welding. Joining method.
または凸所を形成し、金属板２を塑性変形し、この塑性
変形させた部分を前記凹所1aまたは凸所に機械的にこす
りながら仮保持後、加熱溶着してなる接点材料の接合方
法。2. A concave portion 1a is provided at a substantially central portion of the contact surface of the contact material 1.
Alternatively, a method of joining a contact material in which a convex portion is formed, the metal plate 2 is plastically deformed, the plastically deformed portion is temporarily held while mechanically rubbing the concave portion 1a or the convex portion, and then heated and welded.
の孔2bまたは凹凸2cに接点材料１を圧入または圧着して
仮保持後、加熱溶着してなる接点材料の接合方法。3. A method of joining a contact material by forming a hole 2b or an unevenness 2c in a metal plate 2, press-fitting or pressing a contact material 1 into the hole 2b or the unevenness 2c, temporarily holding the material, and heat-welding the contact material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1126484A JP2791683B2 (en) | 1989-05-19 | 1989-05-19 | Contact material joining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1126484A JP2791683B2 (en) | 1989-05-19 | 1989-05-19 | Contact material joining method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02303689A JPH02303689A (en) | 1990-12-17 |
| JP2791683B2 true JP2791683B2 (en) | 1998-08-27 |
Family
ID=14936351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1126484A Expired - Lifetime JP2791683B2 (en) | 1989-05-19 | 1989-05-19 | Contact material joining method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2791683B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329179C (en) * | 2004-07-12 | 2007-08-01 | 英华达股份有限公司 | Hot-press method for binding columns |
| KR101314385B1 (en) * | 2012-06-01 | 2013-10-04 | 이래범 | Manufacturing method of contact tip for electric switch |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5897794A (en) * | 1997-01-30 | 1999-04-27 | The United States Of America As Represented By The Secretary Of The Navy | Method and apparatus for ablative bonding using a pulsed electron |
| JP2008058732A (en) * | 2006-08-31 | 2008-03-13 | Mitsumi Electric Co Ltd | Camera module |
| CN103692091B (en) * | 2013-10-31 | 2016-03-16 | 佛山智强光电有限公司 | Flat-plate laser stitch welding technique |
| JP7063671B2 (en) * | 2018-03-27 | 2022-05-09 | 株式会社ミツバ | Rotating electric machine and manufacturing method of rotating electric machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58129708A (en) * | 1982-01-29 | 1983-08-02 | 株式会社東芝 | Electric contactor |
| IL75564A (en) * | 1984-06-25 | 1988-02-29 | United Technologies Corp | Abrasive surfaced article for high temperature service |
-
1989
- 1989-05-19 JP JP1126484A patent/JP2791683B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1329179C (en) * | 2004-07-12 | 2007-08-01 | 英华达股份有限公司 | Hot-press method for binding columns |
| KR101314385B1 (en) * | 2012-06-01 | 2013-10-04 | 이래범 | Manufacturing method of contact tip for electric switch |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02303689A (en) | 1990-12-17 |
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