JPS6311116B2 - - Google Patents

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Publication number
JPS6311116B2
JPS6311116B2 JP16804680A JP16804680A JPS6311116B2 JP S6311116 B2 JPS6311116 B2 JP S6311116B2 JP 16804680 A JP16804680 A JP 16804680A JP 16804680 A JP16804680 A JP 16804680A JP S6311116 B2 JPS6311116 B2 JP S6311116B2
Authority
JP
Japan
Prior art keywords
wire
welding
die
cutter
clamp
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
Application number
JP16804680A
Other languages
Japanese (ja)
Other versions
JPS5791886A (en
Inventor
Toshinao Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP16804680A priority Critical patent/JPS5791886A/en
Publication of JPS5791886A publication Critical patent/JPS5791886A/en
Publication of JPS6311116B2 publication Critical patent/JPS6311116B2/ja
Granted legal-status Critical Current

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Description

【発明の詳細な説明】 本発明は溶接装置に関する。[Detailed description of the invention] The present invention relates to a welding device.

ダブルヒートシンクダイオードは第1図に示す
ように、1対のリード1をガラス管2内に挿し込
むとともに、リード1の端面間に回路素子3を挾
持させ、かつガラス管2を加熱して溶かし、各リ
ード1と接合させることによつて作られる。とこ
ろで、前記リード1はガラス管2内に入る太径部
4とガラス管2外に長く延びる小径部5とからな
る。太径部4は鉄、ニツケル線を硼砂で被覆した
ジユメツト線で作られ、小径部5は鉄又はニツケ
ル線を銅で被覆したCP線で作られ、両者は抵抗
溶接によつて一体化する。
As shown in FIG. 1, the double heat sink diode is made by inserting a pair of leads 1 into a glass tube 2, sandwiching a circuit element 3 between the end faces of the leads 1, and heating and melting the glass tube 2. It is made by joining each lead 1. By the way, the lead 1 consists of a large diameter part 4 that enters into the glass tube 2 and a small diameter part 5 that extends long outside the glass tube 2. The large diameter portion 4 is made of a aluminum wire made of iron or nickel wire coated with borax, and the small diameter portion 5 is made of a CP wire made of iron or nickel wire coated with copper, and the two are integrated by resistance welding.

ところで、このリードを作る装置としては太径
部4が数mmと極めて短かいため、第2図に示すよ
うな装置が考えられる。すなわち、長いジユメツ
ト線6を筒状のダイス7内に後方から通すととも
に、その先端をダイス7面から一定長さ、すなわ
ち太径部4に相当する長さだけ突出させ、その
後、突出したジユメツト線6の先端部分をカツタ
8とクランプ9で保持したまま下降させて切断す
る。つぎに、カツタ8とクランプ9とによつて保
持された棒材、すなわち太径部4の先端面にリー
ド1の小径部5に対応する長さのCP線10の先
端を付け合せ、両者間に電圧を印加させてその界
面に生じる熱によつて溶接を行なう(抵抗溶接)。
CP線10はCP線10を保持する送りユニツト1
1を溶接電極とするが、ジユメツト線6は外表面
が絶縁性の硼砂からなることから通電性がないた
め切断によつて現われた端面に電流を流すように
なつている。このため、ダイス7の後端面に溶接
電極12を接触させ、ダイス7端面を介して太径
部4に電流を流すようにしている。
By the way, as a device for making this lead, since the large diameter portion 4 is extremely short at a few mm, a device as shown in FIG. 2 can be considered. That is, a long wire 6 is passed through the cylindrical die 7 from the rear, and its tip is made to protrude from the surface of the die 7 by a certain length, that is, a length corresponding to the large diameter portion 4. While holding the tip portion of the cutter 6 with the cutter 8 and clamp 9, the cutter is lowered and cut. Next, the tip of a CP wire 10 having a length corresponding to the small diameter portion 5 of the lead 1 is attached to the tip end surface of the bar, that is, the large diameter portion 4 held by the cutter 8 and the clamp 9, and the tip of the CP wire 10 is attached between the two. Welding is performed by applying a voltage and using the heat generated at the interface (resistance welding).
The CP wire 10 is connected to a feeding unit 1 that holds the CP wire 10.
Reference numeral 1 represents a welding electrode, and since the outer surface of the composite wire 6 is made of insulating borax and therefore does not conduct electricity, current is passed through the end surface exposed by cutting. For this reason, the welding electrode 12 is brought into contact with the rear end face of the die 7, and current is passed through the end face of the die 7 to the large diameter portion 4.

しかし、このような装置によつてリードを作つ
た場合、接合部に発生するナゲツトに片寄りを生
じる現象が生じてしまう。ナゲツトに片寄りを生
じると接合強度(溶接強度)は小さくなり、リー
ド1は小径部5と太径部4との溶接部で折れ易く
なる。また、ナゲツトが太径部の周面よらも突出
すると、ダイオードの組立時に太径部分がガラス
管2内に入らず、組立が行なえなくなつてしま
う。
However, when a lead is made using such an apparatus, a phenomenon occurs in which the nuggets that occur at the joint are uneven. If the nugget is shifted, the joint strength (welding strength) will be reduced, and the lead 1 will be more likely to break at the weld between the small diameter portion 5 and the large diameter portion 4. Furthermore, if the nugget protrudes beyond the circumferential surface of the large diameter portion, the large diameter portion will not enter the glass tube 2 during assembly of the diode, making assembly impossible.

このナゲツトの片寄りについて検討した結果、
つぎのようなことが判明した。ダイス7、カツタ
8、クランプ9は切断時の切れあじを良好とすべ
く、ダイス鋼、超硬等で形作つているが、これら
の材質は磁性体である。このため、ダイス7に電
流を流すと磁界を発生し、各部材は磁化し磁力を
帯びてしまい、溶接時に発生するアークが磁力に
影響され、磁力の強い方に引かれる結果、ナゲツ
トの片寄りが生じる。
As a result of considering the bias of this nugget,
The following was discovered. The die 7, cutter 8, and clamp 9 are made of die steel, carbide, or the like in order to obtain a good cutting edge during cutting, and these materials are magnetic. For this reason, when current is passed through the die 7, a magnetic field is generated, and each member becomes magnetized and has a magnetic force, and the arc generated during welding is influenced by the magnetic force and is drawn toward the side with the stronger magnetic force, resulting in the nugget being biased. occurs.

このナゲツトの片寄りが磁力によつて発生する
ことは、カツタおよびクランプを非磁性体にする
実験によつて得られた。すなわち、第3図a〜c
は各条件におけるナゲツト13(図中クロスハツ
チングで示す。)の形状を示す。同図aはクラン
プを磁性体とし、カツタは非磁性体にした場合の
例を示し、ナゲツト13はクランプの磁力によつ
て下方に延びる。同図bはカツタを磁性体とし、
クランプ9を非磁性体とした例であつて、この場
合はナゲツト13はカツタ8の磁力によつて上方
に延びる。同図cはカツタ8およびクランプ9を
非磁性体とした例であつて、ナゲツト13は溶接
部の周囲にリング状に均一に発生している。
The fact that this nugget deviation is caused by magnetic force was found through experiments using non-magnetic materials for the cutters and clamps. That is, Fig. 3 a to c
shows the shape of the nugget 13 (indicated by crosshatching in the figure) under each condition. Figure a shows an example in which the clamp is made of a magnetic material and the cutter is made of a non-magnetic material, and the nugget 13 extends downward due to the magnetic force of the clamp. In the same figure b, the cutter is made of magnetic material,
This is an example in which the clamp 9 is made of a non-magnetic material, and in this case the nugget 13 is extended upward by the magnetic force of the cutter 8. Figure c shows an example in which the cutter 8 and the clamp 9 are made of non-magnetic material, and the nuggets 13 are uniformly generated in a ring shape around the weld.

したがつて、本発明の目的は電流を流すことに
よつて行なう溶接装置において、溶接部各部に均
一にナゲツトを発生させることのできる溶接装置
を提供することにある。
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a welding apparatus that can uniformly generate nuggets in each part of a welded part in a welding apparatus that performs welding by applying an electric current.

このような目的を構成するために本発明は、溶
接体と被溶接体とを接触させ、両者間に電圧を印
加して両者を接続する溶接装置において、溶接部
に発生するナゲツトが溶接部周辺に均一に発生す
るように溶接部周辺に位置する部材を非磁性体で
形作つてなるものであつて、以下実施例により本
発明を説明する。
In order to achieve such an object, the present invention provides a welding device that connects a welding body and a welded body by bringing them into contact and applying a voltage between the two, in which nuggets generated at the welding part are removed from the vicinity of the welding part. The present invention will be explained below with reference to Examples.

第4図〜第6図は本発明の一実施例によるリー
ド製造装置を示す図であり、第4図は正面図、第
5図は側面図、第6図はジユメツト線切断状態を
示す説明図である。同図に示すように、ベース1
4の途中には円筒状の溶接電極12が貫通状態で
取り付けられている。また、ベース14には調整
板15を介してダイスホルダ16が取り付けられ
ている。調整板15はアリ溝構造によつてベース
14に取り付けられているためベース面のX方向
に沿つて摺動調整可能となつている。また、調整
板15とダイスホルダ16との間にもアリ溝構造
となつていることから、ダイスホルダ16はベー
ス面のY方向に沿つて摺動調整可能となる。ダイ
スホルダ16は溶接電極12と同一線上に位置す
る筒状のダイス7を保持する。このダイスは非磁
性体あるいは磁性体でもよいが、溶接電極12と
接触して電極の一部となることから通電性の良好
な材質で形作られる。
4 to 6 are diagrams showing a lead manufacturing apparatus according to an embodiment of the present invention, in which FIG. 4 is a front view, FIG. 5 is a side view, and FIG. 6 is an explanatory diagram showing a state in which a composite wire is cut. It is. As shown in the figure, base 1
A cylindrical welding electrode 12 is attached in the middle of 4 in a penetrating state. Further, a die holder 16 is attached to the base 14 via an adjustment plate 15. Since the adjustment plate 15 is attached to the base 14 by a dovetail groove structure, it can be slidably adjusted along the X direction of the base surface. Moreover, since the adjustment plate 15 and the die holder 16 also have a dovetail groove structure, the die holder 16 can be slidably adjusted along the Y direction of the base surface. The die holder 16 holds a cylindrical die 7 located on the same line as the welding electrode 12. This die may be made of a non-magnetic or magnetic material, but since it comes into contact with the welding electrode 12 and becomes a part of the electrode, it is made of a material with good electrical conductivity.

一方、ダイス7と噛み合うカツタ8はカツタホ
ルダ17に支持される。このカツタホルダ17は
ベース14の上部に上下動自在に支持されたアー
ム18に連結片19および支軸20,21を介し
て連結され、カムによつて上下動するアーム18
によつて上下動する。なお、カツタ8は円板から
なり、その切刃22を周面に多数設けてあるの
で、切断によつて切刃22が磨耗したら、カツタ
8を回動させて新たな切刃22がダイス7と噛み
合うようにすればよい。
On the other hand, the cutter 8 that engages with the die 7 is supported by a cutter holder 17. This cutter holder 17 is connected via a connecting piece 19 and support shafts 20, 21 to an arm 18 supported vertically movably on the upper part of the base 14, and the arm 18 is vertically movable by a cam.
It moves up and down depending on the direction. Note that the cutter 8 is made of a disk and has a large number of cutting edges 22 on its circumferential surface, so if the cutting edge 22 is worn out during cutting, the cutter 8 is rotated and a new cutting edge 22 is inserted into the die 7. All you have to do is make sure it meshes with the .

また、ダイス7から突出するジユメツト線6を
受けるクランプ9はクランプホルダ23に支持さ
れる。また、クランプホルダ23はスプリング2
4によつて支持され、カツタ8およびダイス7に
よるジユメツト線の切断時にジユメツト線6が変
形しないように弾力的に降下するようになつてい
る。また、クランプ9およびカツタ8は非磁性の
超硬によつて形作られている。
Further, a clamp 9 for receiving the composite wire 6 protruding from the die 7 is supported by a clamp holder 23. Additionally, the clamp holder 23 is connected to the spring 2
4, and is adapted to elastically descend so that the diamond wire 6 is not deformed when the wire is cut by the cutter 8 and the die 7. Further, the clamp 9 and the cutter 8 are made of non-magnetic carbide.

他方、CP線10を一定長さに切つてリード1
の小径部用にされたCP線10は送りユニツト1
1に支持されて、切断されたジユメツト線6の端
面にての先端を当接するようになつている。
On the other hand, cut the CP wire 10 to a certain length and connect it to lead 1.
The CP wire 10 for the small diameter section is connected to the feed unit 1.
1, so that the end of the cut composite wire 6 comes into contact with its end surface.

このような装置にあつては、組長のジユメツト
線6を溶接電極12内に挿し込み、ダイス7を貫
通させてその先端をリード1の太径部の長さ分に
対応するだけ突出させる。その後、カツタホルダ
17を下降させ、ジユメツト線突出部をクランプ
9とカツタ8とによつて保持しながらダイス7と
噛み合せてジユメツト線6を切断する。
In such a device, the length of the wire 6 is inserted into the welding electrode 12, passed through the die 7, and its tip protrudes by an amount corresponding to the length of the large diameter portion of the lead 1. Thereafter, the cutter holder 17 is lowered, and while the protruding portion of the composite wire is held by the clamp 9 and the cutter 8, it engages with the die 7 to cut the composite wire 6.

つぎに、送りユニツト11によつてCP線10
の先端を切断保持されたジユメツト線6の端面に
当接させ、送りユニツト11と溶接電極12との
間に電圧を印加させる。CP線10は外表が銅で
あることから、芯のFe−Ni線に電流が流れる。
また、ジユメツト線6は芯はFe−Niであるため、
切断による端面は溶接電極12に電気的機械的に
繋がるダイス7の端面に接触するため電気が流
れ、ジユメツト線6とCP線10との溶接が行な
われる。この際、ダイス7に電流が流れて磁界を
形成しても、クランプ9およびカツタ7は非磁性
体であるため磁化されない。したがつて、溶接時
のアークは磁力を受けなくなり、ナゲツト13は
第3図cで示すように溶接部の全周に亘つて均一
に発生する。このため、接合強度は強くなるとと
もに、ナゲツト13が太径部から突出しないの
で、ダブルヒートシンクダイオード組立時にリー
ドの太径部も確実にガラス管内に入り、組立に支
障を来たさなくなる。
Next, the CP wire 10 is
The tip of the wire is brought into contact with the end surface of the cut and held diamond wire 6, and a voltage is applied between the feed unit 11 and the welding electrode 12. Since the outer surface of the CP wire 10 is made of copper, current flows through the core Fe--Ni wire.
In addition, since the core of the composite wire 6 is Fe-Ni,
The end face of the cut comes into contact with the end face of the die 7 which is electrically and mechanically connected to the welding electrode 12, so that electricity flows and welding of the composite wire 6 and the CP wire 10 is performed. At this time, even if a current flows through the dice 7 to form a magnetic field, the clamps 9 and the cutters 7 are not magnetized because they are non-magnetic materials. Therefore, the arc during welding is no longer subjected to magnetic force, and nuggets 13 are uniformly generated over the entire circumference of the welded portion, as shown in FIG. 3c. Therefore, the bonding strength is increased, and since the nugget 13 does not protrude from the large diameter portion, the large diameter portion of the lead also enters the glass tube reliably when assembling the double heat sink diode, and does not interfere with the assembly.

なお、本発明は前記実施例に限定されない。 Note that the present invention is not limited to the above embodiments.

以上のように、本発明の溶接装置によれば、溶
接時アークは磁力の影響を受けないため、溶接部
には均一にナゲツトが出来、強度向上が図れる。
As described above, according to the welding apparatus of the present invention, since the arc during welding is not affected by magnetic force, nuggets are uniformly formed in the welded part, and the strength can be improved.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はダブルヒートシンクダイオードの一部
を示す断面図、第2図は想定できる溶接装置の一
部を示す説明図、第3図a〜cはナゲツトの状態
を示す概念説明図、第4図は本発明の一実施例に
よるリード製造装置の概念的な正面図、第5図は
同じく概念的な側面図、第6図は切断状態を示す
説明図である。 1……リード、2……ガラス管、4……太径
部、5……小径部、6……ジユメツト線、7……
ダイス、8……カツタ、9……クランプ、10…
…CP線、11……送りユニツト、12……溶接
電極、13……ナゲツト。
Fig. 1 is a sectional view showing a part of a double heat sink diode, Fig. 2 is an explanatory drawing showing a part of a possible welding device, Fig. 3 a to c is a conceptual explanatory drawing showing the state of the nugget, and Fig. 4 5 is a conceptual front view of a lead manufacturing apparatus according to an embodiment of the present invention, FIG. 5 is a conceptual side view, and FIG. 6 is an explanatory diagram showing a cutting state. 1...Lead, 2...Glass tube, 4...Large diameter part, 5...Small diameter part, 6...Dimension wire, 7...
Dice, 8...Katsuta, 9...Clamp, 10...
...CP wire, 11...Feeding unit, 12...Welding electrode, 13...Nugget.

Claims (1)

【特許請求の範囲】[Claims] 1 溶接体と被溶接体とを接触させ、両者間に電
圧を印加して両者を接続する溶接装置において、
溶接部に発生するナゲツトが溶接部周辺に均一に
発生するように溶接部周辺に位置する部材を非磁
性体で形作ることを特徴とする溶接装置。
1. In a welding device that brings a welding object and a welded object into contact and connects them by applying a voltage between them,
A welding device characterized in that a member located around the weld is formed of a non-magnetic material so that nuggets generated at the weld are uniformly generated around the weld.
JP16804680A 1980-12-01 1980-12-01 Welding device Granted JPS5791886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16804680A JPS5791886A (en) 1980-12-01 1980-12-01 Welding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16804680A JPS5791886A (en) 1980-12-01 1980-12-01 Welding device

Publications (2)

Publication Number Publication Date
JPS5791886A JPS5791886A (en) 1982-06-08
JPS6311116B2 true JPS6311116B2 (en) 1988-03-11

Family

ID=15860816

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16804680A Granted JPS5791886A (en) 1980-12-01 1980-12-01 Welding device

Country Status (1)

Country Link
JP (1) JPS5791886A (en)

Also Published As

Publication number Publication date
JPS5791886A (en) 1982-06-08

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