JPH05343151A - Terminal molding method - Google Patents
Terminal molding methodInfo
- Publication number
- JPH05343151A JPH05343151A JP14757292A JP14757292A JPH05343151A JP H05343151 A JPH05343151 A JP H05343151A JP 14757292 A JP14757292 A JP 14757292A JP 14757292 A JP14757292 A JP 14757292A JP H05343151 A JPH05343151 A JP H05343151A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- terminal member
- case
- groove
- lead wire
- 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.)
- Pending
Links
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は端子成形法、特に、樹脂
製のケースから端子部材が変形することなく連結条を除
去できる端子成形法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal molding method, and more particularly to a terminal molding method capable of removing a connecting strip from a resin case without deforming the terminal member.
【０００２】[0002]
【従来の技術】従来の自動車用のハイブリッドＩＣは、
図８に示すように金属製の放熱板（1）と、放熱板（1）
に固着された回路基板（2）と、放熱板（1）及び回路基
板（2）を包囲する樹脂製且つ絶縁性のケース（3）と、
ケース（3）の上部にケース（3）の一部として固着され
た樹脂製の蓋（9）と、板状且つ金属製の端子部材（4）
と、回路基板（2）上の電極（7）と端子部材（4）とを
電気的に接続する金属製の接続部材（5）を備えてい
る。接続部材（5）と端子部材（4）は半田付け又は溶接
で接続されている。ケース（3）は枠壁（3a）を有し、
端子部材（4）は、ケース（3）の枠壁（3a）に形成され
た開口部（3b）を貫通する。2. Description of the Related Art Conventional hybrid ICs for automobiles are
As shown in FIG. 8, a metal heat sink (1) and a heat sink (1)
A circuit board (2) adhered to the heat sink, and a resin and insulating case (3) surrounding the heat sink (1) and the circuit board (2),
A resin lid (9) fixed to the upper part of the case (3) as a part of the case (3), and a plate-shaped and metal terminal member (4)
And a metal connecting member (5) for electrically connecting the electrode (7) on the circuit board (2) and the terminal member (4). The connection member (5) and the terminal member (4) are connected by soldering or welding. The case (3) has a frame wall (3a),
The terminal member (4) penetrates the opening (3b) formed in the frame wall (3a) of the case (3).
【０００３】ケース（3）を製造する場合、図９に示す
連結条（9）で複数の端子部材（4）を連結した端子組立
体（8）を銅等の金属材料により一体で形成する。次
に、ケース（3）の形状に合致した空所（キャビティ）
を貫通するように端子組立体（8）を金型内に配置し、
キャビティ内に流動化した樹脂を押圧注入し硬化してケ
ース（3）をトランスファモールドで形成する。ケース
（3）の形成後、連結条（9）を切断除去する。必要によ
り、回路基板（2）側に延出した端子部材（4）の先端も
切断除去する。When manufacturing the case (3), a terminal assembly (8) in which a plurality of terminal members (4) are connected by a connecting strip (9) shown in FIG. 9 is integrally formed of a metal material such as copper. Next, a void (cavity) that matches the shape of the case (3)
Place the terminal assembly (8) in the mold so that
The fluidized resin is pressed into the cavity and cured to form the case (3) by transfer molding. After forming the case (3), the connecting strip (9) is cut and removed. If necessary, the tip of the terminal member (4) extending to the circuit board (2) side is also cut and removed.
【０００４】この種のハイブリッドＩＣでも、生産性の
向上を図るため端子部材（4）と回路基板（2）上の電極
（7）とを接続部材（5）に代わりアルミニウム等のリー
ドワイヤで接続することが近年試みられている。電極
（7）と接続部材（5）とをリードワイヤを接続するとき
は、開口部（3b）内に装着した端子部材（4）を所定の
長さに切断した後、超音波振動を印加して端子部材
（4）及び回路基板（2）上の電極に金属細線の端部を押
し潰して圧着する。Also in this type of hybrid IC, in order to improve productivity, the terminal member (4) and the electrode (7) on the circuit board (2) are connected by a lead wire such as aluminum instead of the connecting member (5). It has been attempted in recent years. When connecting the lead wire to the electrode (7) and the connecting member (5), cut the terminal member (4) mounted in the opening (3b) to a predetermined length, and then apply ultrasonic vibration. The ends of the thin metal wires are crushed and pressure-bonded to the electrodes on the terminal member (4) and the circuit board (2).
【０００５】[0005]
【発明が解決しようとする課題】ところで、端子部材
（4）の一方の端部のみならず、両端をそれぞれ連結条
で連結すると、端子組立体（8）の機械的強度が増大す
るから、搬送時の端子部材（4）の変形を防止できると
ともに、端子組立体（8）を容易に取扱うことができ
る。しかしながら、端子部材（4）の両端をいずれも連
結条で連結すると、他端側を接続する連結条を切断除去
するときに、端子部材（4）に大きな外力が加えられ
て、端子部材（4）が変形することがあった。このた
め、リードワイヤに超音波振動が充分に印加されず、端
子部材（4）に対して十分に大きな接着強度でリードワ
イヤを接続できない欠点があった。By the way, if not only one end of the terminal member (4) but also both ends thereof are connected by connecting strips, the mechanical strength of the terminal assembly (8) increases, so The terminal member (4) can be prevented from being deformed at this time, and the terminal assembly (8) can be easily handled. However, if both ends of the terminal member (4) are connected by a connecting strip, a large external force is applied to the terminal member (4) when the connecting strip connecting the other end is cut and removed, and the terminal member (4) is ) Was sometimes deformed. Therefore, there is a drawback that ultrasonic vibration is not sufficiently applied to the lead wire and the lead wire cannot be connected to the terminal member (4) with a sufficiently large adhesive strength.
【０００６】そこで、本発明は端子部材が支持壁から変
形することなく連結条を除去できる端子成形法を提供す
ることを目的とする。Therefore, an object of the present invention is to provide a terminal molding method capable of removing a connecting strip without deforming a terminal member from a supporting wall.
【０００７】[0007]
【課題を解決するための手段】この発明による端子成形
法は、複数の端子部材の一方の端部を第１の連結条によ
り連結し、複数の端子部材の他方の端部を第２の連結条
により連結し、他方の端部に幅狭の連絡部を設けた端子
組立体を用意する工程と、端子組立体を成形用金型に配
置する工程と、成形用金型内に流動化した樹脂を圧入し
て、端子部材の一方の端部側と第２の連結条との間を被
覆するケースを形成する工程と、連絡部に折曲げ加工又
は引張加工を施して、端子部材から第２の連結条を切断
する工程とにより構成される。端子組立体を形成する際
に、端子部材の他方の端部に形成した連絡部の一方の主
面に溝を形成する。第２の連結条を切断した後、リード
ワイヤにより端子部材をケース内の電極と電気的に接続
する工程を含む。According to the terminal forming method of the present invention, one end of a plurality of terminal members is connected by a first connecting piece, and the other end of the plurality of terminal members is connected by a second connecting member. The step of preparing a terminal assembly having a narrow connecting portion at the other end connected by a strip, the step of placing the terminal assembly in a molding die, and the fluidization in the molding die A step of press-fitting a resin to form a case that covers between one end side of the terminal member and the second connecting strip, and bending or pulling the connecting portion, And the step of cutting the two connecting strips. When forming the terminal assembly, a groove is formed in one main surface of the connecting portion formed at the other end of the terminal member. After cutting the second connecting strip, a step of electrically connecting the terminal member to the electrode in the case by a lead wire is included.
【０００８】[0008]
【作用】端子部材の他方の端部に幅狭の連絡部を設けた
ので、端子部材に大きな応力が伝達されずに、第２の連
結条を容易に除去することができる。このため、第２の
連結条の除去の際に、端子部材が変形しない。Since the narrow connecting portion is provided at the other end of the terminal member, the second connecting strip can be easily removed without transmitting a large stress to the terminal member. Therefore, the terminal member does not deform when the second connecting strip is removed.
【０００９】[0009]
【実施例】以下、自動車用イグナイタに適用した本発明
による端子成形法の実施例を図１〜図７について説明す
る。EXAMPLES Examples of the terminal molding method according to the present invention applied to an automobile igniter will be described below with reference to FIGS.
【００１０】銅等の金属により一体成形された図１に示
す端子組立体（10）は、複数の端子部材（11）と、端子
部材（11）の一方の端部側を連結する第１の連結条（1
2）と、他方の端部側を連結する第２の連結条（13）と
を備える。端子部材（11）はその一方の端部側から順番
に幅狭部（11a）、第１の幅広部（11b）及び第２の幅広
部（11c）を有する。図２に示すように、幅狭部（11a）
と第１の連結条（12）とは幅狭部（11a）より幅狭の連
絡部（14）により接続され、連絡部（14）の一方の主面
には溝（15）が設けられている。また、図３に示すよう
に第２の幅広部（11c）と第２の連結条（13）とは、第
２の幅広部（11c）より幅狭の連絡部（16）により接続
され、連絡部（16）の一方の主面には溝（17）が設けら
れている。The terminal assembly (10) shown in FIG. 1, which is integrally formed of a metal such as copper, has a plurality of terminal members (11) and a first terminal member (11) for connecting one end side of the terminal member (11). Article of connection (1
2) and a second connecting strip (13) connecting the other end side. The terminal member (11) has a narrow portion (11a), a first wide portion (11b), and a second wide portion (11c) in order from one end side thereof. As shown in Fig. 2, the narrow part (11a)
And the first connecting strip (12) are connected by a connecting part (14) narrower than the narrow part (11a), and a groove (15) is provided on one main surface of the connecting part (14). There is. In addition, as shown in FIG. 3, the second wide portion (11c) and the second connecting strip (13) are connected by a connecting portion (16) narrower than the second wide portion (11c), and are connected to each other. A groove (17) is provided on one main surface of the portion (16).
【００１１】第２の幅広部（11c）の両縁部には部分的
にこれを押潰して形成した凹部（18）が形成されてい
る。なお、第１の連結条（12）、第２の連結条（13）の
それぞれには、搬送時等に利用する貫通孔（19）及び
（20）が設けられる。At both edges of the second wide portion (11c), a recess (18) is formed by partially crushing the same. The first connecting strip (12) and the second connecting strip (13) are respectively provided with through holes (19) and (20) used for transportation.
【００１２】端子組立体（10）は従来と同様にモールド
金型に配設して、図４に示すようにトランスファモール
ドにより樹脂ケース（3）をインサート成形する。その
後、第１の連結条（12）及び第２の連結条（13）を端子
部材（11）に対してその一方の主面側方向に折曲げ加工
することにより連結条（12）（13）を端子部材（11）か
ら除去する。このとき、連結部（14）に溝（15）が形成
され、連結部（16）に溝（17）が形成されているので、
端子部材（11）がケース（3）の支持壁（3b）から離間
することなく、第１の連結条（12）及び第２の連結条
（13）を容易に除去することができる。The terminal assembly (10) is arranged in a molding die as in the conventional case, and the resin case (3) is insert-molded by transfer molding as shown in FIG. Then, the first connecting strip (12) and the second connecting strip (13) are bent toward the main surface side of one of the terminal members (11) to form a connecting strip (12) (13). Are removed from the terminal member (11). At this time, since the groove (15) is formed in the connecting portion (14) and the groove (17) is formed in the connecting portion (16),
The first connecting strip (12) and the second connecting strip (13) can be easily removed without separating the terminal member (11) from the support wall (3b) of the case (3).
【００１３】その後、端子部材（11）と回路基板（2）
上の電極（7）とを図５に示すリードワイヤ（22）によ
り公知の方法で電気的に接続する。リードワイヤ（22）
の利用によりハイブリッドＩＣの生産性を向上すること
ができる。図５は本発明により製造された電子部品の部
分断面図、図６は部分平面図、図７は図６のＩ−Ｉ線に
沿う断面図を示す。図５〜図７では他の図に示す部分と
同一の箇所には同一の符号を付し、説明を省略する。本
実施例による端子接続構造では、ケース（3）の支持壁
（3c）に形成された凸形断面の嵌合溝（3d）は幅広の底
部（3e）と、底部（3e）から離間した位置において内側
に突出する突起部（3f）をそれぞれ備えた一対の対向側
部（3g）とを有する。端子部材（11）は支持壁（3c）の
嵌合溝（3d）の底部（3e）と突起部（3f）との間に嵌合
される幅広の係止部（11d）と、突起部（3f）を収容す
る切欠部（18）とを備えている。突起部（3f）は支持壁
（３ｃ）の全突出長さの一部に形成される。切欠部（１
８）は突起部（3f）に対応させて端子部材（11）の長さ
方向に形成されている。端子部材（11）と回路基板
（2）上の電極とは公知のワイヤボンディング法で結線
されたリードワイヤ（6）により接続される。図示の実
施例では、端子部材（11）の一方の主面は支持壁（3c）
の上面と実質的に同一平面である。リードワイヤ（6）
は一対の対向側部（3f）の突起部（3e）間において端子
部材（11）の一方の主面に圧着接続されている。After that, the terminal member (11) and the circuit board (2)
The upper electrode (7) is electrically connected with the lead wire (22) shown in FIG. 5 by a known method. Lead wire (22)
Can improve the productivity of the hybrid IC. 5 is a partial sectional view of an electronic component manufactured according to the present invention, FIG. 6 is a partial plan view, and FIG. 7 is a sectional view taken along line I-I of FIG. 5 to 7, the same parts as those shown in other figures are given the same reference numerals and the description thereof will be omitted. In the terminal connection structure according to the present embodiment, the fitting groove (3d) having the convex cross section formed in the support wall (3c) of the case (3) is located at a position separated from the wide bottom (3e) and the bottom (3e). And a pair of opposed side portions (3g) each having a protrusion (3f) protruding inward. The terminal member (11) has a wide locking portion (11d) fitted between the bottom portion (3e) of the fitting groove (3d) of the support wall (3c) and the protruding portion (3f), and the protruding portion (11d). 3f) and a notch (18) for accommodating it. The protrusion (3f) is formed on a part of the entire protruding length of the support wall (3c). Notch (1
8) is formed in the length direction of the terminal member (11) so as to correspond to the protrusion (3f). The terminal member (11) and the electrode on the circuit board (2) are connected by a lead wire (6) connected by a known wire bonding method. In the illustrated embodiment, one main surface of the terminal member (11) has a support wall (3c).
Is substantially flush with the upper surface of the. Lead wire (6)
Is crimp-connected to one main surface of the terminal member (11) between the protrusions (3e) of the pair of opposing side parts (3f).
【００１４】本実施例では、端子部材（11）がケース
（3）の嵌合溝（3d）に装着されて、その長さ方向、幅
方向及び厚み方向への移動（振動）が及び突起部（3e）
によって防止されている。このため、端子部材（11）と
支持壁（3c）間に超音波振動を吸収する間隙が生じな
い。したがって、端子部材（11）と回路基板（2）上の
電極とをリードワイヤ（6）で接続するとき、リードワ
イヤ（6）は端子部材（11）に対して十分に大きな接着
強度で接続される。In this embodiment, the terminal member (11) is mounted in the fitting groove (3d) of the case (3), and the movement (vibration) in the length direction, the width direction and the thickness direction of the terminal member (11) and the projection portion are performed. (3e)
Are prevented by. Therefore, there is no gap between the terminal member (11) and the support wall (3c) that absorbs ultrasonic vibrations. Therefore, when connecting the terminal member (11) and the electrode on the circuit board (2) with the lead wire (6), the lead wire (6) is connected to the terminal member (11) with sufficiently large adhesive strength. It
【００１５】本実施例では、下記の効果が得られる。The following effects can be obtained in this embodiment.
【００１６】（1） 第１の連結条（12）及び第２の連
結条（13）は、溝（15）（17）を備えた幅狭の連絡部
（14）（16）で端子部材（11）に連結されているから、
連絡部（14）（16）を折曲げることによって連結条（1
2）（13）を容易に切断除去できる。(1) The first connecting strip (12) and the second connecting strip (13) are provided with narrow connecting portions (14) and (16) having grooves (15) and (17), respectively. Because it is connected to 11),
By connecting the connecting parts (14) (16), the connecting strip (1
2) (13) can be easily cut and removed.
【００１７】（2） 端子部材（11）がケース（21）に
嵌合しているので、連結条（12）（13）の切断工程にお
いて、端子部材（11）がケース（21）から剥離しない。(2) Since the terminal member (11) is fitted in the case (21), the terminal member (11) does not separate from the case (21) in the step of cutting the connecting strips (12) (13). ..
【００１８】（3） 搬送時やインサート成形の際に、
端子部材（11）が両持ち支持されるので、端子部材（1
1）が変形しない。(3) During transportation or insert molding,
Since the terminal member (11) is supported on both sides, the terminal member (1
1) does not deform.
【００１９】本発明の実施態様は前記の実施例に限定さ
れず、更に変更が可能である。例えば、第１の連結条
（12）及び第２の連結条（13）を折曲げ加工により端子
部材（11）から除去する代わりに引張加工により第２の
連結条（13）を除去してもよい。第１の連結条（12）及
び第２の連結条（13）の幅狭の連絡部（14）（16）の一
方の主面にそれぞれ複数の溝（15）（17）を形成した
り、他方の主面に溝を形成してもよい。端子部材（11）
と電極（7）とをリードワイヤでなく従来のように接続
部材（5）により接続してもよい。また、連結部（14）
（16）に貫通孔を設けてもよい。The embodiment of the present invention is not limited to the above embodiment, and can be modified. For example, instead of removing the first connecting strip (12) and the second connecting strip (13) from the terminal member (11) by bending, the second connecting strip (13) may be removed by pulling. Good. Forming a plurality of grooves (15) (17) on one of the main surfaces of the narrow connecting portions (14) (16) of the first connecting strip (12) and the second connecting strip (13), A groove may be formed on the other main surface. Terminal member (11)
The electrode (7) and the electrode (7) may be connected not by the lead wire but by the connecting member (5) as in the conventional case. Also, the connecting part (14)
A through hole may be provided in (16).
【００２０】[0020]
【発明の効果】本考案によれば、第２の連結条の除去の
際に、端子部材が変形することがない。このため、リー
ドワイヤを十分な接着強度で端子部材に接続することが
でき、電子部品の品質を向上することができるととも
に、リードワイヤを使用することにより生産性の向上を
図ることができる。According to the present invention, the terminal member is not deformed when the second connecting strip is removed. Therefore, the lead wire can be connected to the terminal member with sufficient adhesive strength, the quality of the electronic component can be improved, and the productivity can be improved by using the lead wire.
【図１】 本発明の端子成形法に使用する端子組立体の
平面図FIG. 1 is a plan view of a terminal assembly used in the terminal molding method of the present invention.
【図２】 端子部材の一方の端部と連結条との連絡部の
部分拡大斜視図FIG. 2 is a partially enlarged perspective view of a connecting portion between one end of a terminal member and a connecting strip.
【図３】 端子部材の他方の端部と連結条との連絡部の
部分拡大斜視図FIG. 3 is a partially enlarged perspective view of a connecting portion between the other end of the terminal member and the connecting strip.
【図４】 モールド成形された端子の平面図FIG. 4 is a plan view of a molded terminal.
【図５】 本発明により製造された電子部品の部分断面
図FIG. 5 is a partial sectional view of an electronic component manufactured according to the present invention.
【図６】 本発明により製造された電子部品の部分平面
図FIG. 6 is a partial plan view of an electronic component manufactured according to the present invention.
【図７】 図６のＩ−Ｉ線に沿う断面図FIG. 7 is a sectional view taken along line I-I of FIG.
【図８】 従来の自動車イグナイタ用のハイブリッドＩ
Ｃの部分断面図FIG. 8: Hybrid I for a conventional vehicle igniter
Partial cross section of C
【図９】 従来のハイブリッドＩＣに使用する端子組立
体の平面図FIG. 9 is a plan view of a terminal assembly used in a conventional hybrid IC.
（2）・・回路基板、（3）・・ケース、（6）・・リー
ドワイヤ、（10）・・端子組立体、（11）・・端子部
材、（12）・・第１の連結条、（13）・・第２の連結
条、（16）・・連絡部、（17）・・溝(2) ・ ・ Circuit board, (3) ・ ・ Case, (6) ・ ・ Lead wire, (10) ・ ・ Terminal assembly, (11) ・ ・ Terminal member, (12) ・ ・ First link , (13) ··· Second connection article, (16) · · Contact section, (17) · · Groove
Claims (3)
結条により連結し、前記複数の端子部材の他方の端部を
第２の連結条により連結し、前記他方の端部に幅狭の連
絡部を設けた端子組立体を用意する工程と、 前記端子組立体を成形用金型に配置する工程と、 前記成形用金型内に流動化した樹脂を圧入して、前記端
子部材の一方の端部側と前記第２の連結条との間を被覆
するケースを形成する工程と、 前記連絡部に折曲げ加工又は引張加工を施して、前記端
子部材から前記第２の連結条を切断する工程と、 により構成されることを特徴とする端子成形法。1. One end of a plurality of terminal members is connected by a first connecting piece, the other end of the plurality of terminal members is connected by a second connecting piece, and the other end is connected to the other end. A step of preparing a terminal assembly provided with a narrow connecting portion; a step of disposing the terminal assembly in a molding die; and a step of pressurizing fluidized resin into the molding die to form the terminal. A step of forming a case that covers between one end side of the member and the second connecting strip; and bending or tensioning the connecting portion to connect the terminal member to the second connecting portion. A terminal forming method characterized by comprising a step of cutting a strip.
子部材の他方の端部に形成した連絡部の一方の主面に溝
を形成する「請求項１」に記載の端子成形法。2. The terminal molding method according to claim 1, wherein when forming the terminal assembly, a groove is formed in one main surface of a connecting portion formed at the other end of the terminal member.
ワイヤにより前記端子部材をケース内の電極と電気的に
接続する工程を含む「請求項１」に記載の端子成形法。3. The terminal molding method according to claim 1, further comprising the step of electrically connecting the terminal member to an electrode in a case by a lead wire after cutting the second connecting strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14757292A JPH05343151A (en) | 1992-06-08 | 1992-06-08 | Terminal molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14757292A JPH05343151A (en) | 1992-06-08 | 1992-06-08 | Terminal molding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05343151A true JPH05343151A (en) | 1993-12-24 |
Family
ID=15433396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14757292A Pending JPH05343151A (en) | 1992-06-08 | 1992-06-08 | Terminal molding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05343151A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07220817A (en) * | 1994-02-07 | 1995-08-18 | Sumitomo Wiring Syst Ltd | Electric connector |
| JP2017054812A (en) * | 2015-09-10 | 2017-03-16 | ティーイー コネクティビティ ジャーマニー ゲゼルシャフト ミット ベシュレンクテル ハフツンクＴＥ Ｃｏｎｎｅｃｔｉｖｉｔｙ Ｇｅｒｍａｎｙ ＧｍｂＨ | Metal plate component having improved geometrical shape of connection tab |
-
1992
- 1992-06-08 JP JP14757292A patent/JPH05343151A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07220817A (en) * | 1994-02-07 | 1995-08-18 | Sumitomo Wiring Syst Ltd | Electric connector |
| JP2017054812A (en) * | 2015-09-10 | 2017-03-16 | ティーイー コネクティビティ ジャーマニー ゲゼルシャフト ミット ベシュレンクテル ハフツンクＴＥ Ｃｏｎｎｅｃｔｉｖｉｔｙ Ｇｅｒｍａｎｙ ＧｍｂＨ | Metal plate component having improved geometrical shape of connection tab |
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