JP4489573B2 - A method for crimping and fixing an electric element to a bus bar made of a punched metal plate. - Google Patents

A method for crimping and fixing an electric element to a bus bar made of a punched metal plate. Download PDF

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JP4489573B2
JP4489573B2 JP2004365475A JP2004365475A JP4489573B2 JP 4489573 B2 JP4489573 B2 JP 4489573B2 JP 2004365475 A JP2004365475 A JP 2004365475A JP 2004365475 A JP2004365475 A JP 2004365475A JP 4489573 B2 JP4489573 B2 JP 4489573B2
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bus bar
crimping
metal plate
fixing
electric element
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JP2006173427A (en
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昭 町田
伸博 木村
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Union Machinery Co Ltd
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Union Machinery Co Ltd
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Description

この発明はバスバーへの電気素子の接続方法、詳しくは、金属板を打ち抜いて形成された打ち抜き金属板製のバスバーに電気素子を圧着固定せしめる方法に関するものである。   The present invention relates to a method for connecting an electric element to a bus bar, and more particularly to a method for crimping and fixing an electric element to a bus bar made of a punched metal plate formed by punching a metal plate.

図１に示す様に、金属板を打ち抜いて形成された打ち抜き金属板製のバスバー２に各種電気素子６を圧着固定せしめた回路基板は、耐久性に富み、製造の自動化も容易で、品質の維持管理も図りやすいので、自動車など各種機器類用として広く用いられている。
なお、図２はこの打ち抜き金属板製のバスバー２に電気素子６が圧着固定されている箇所の拡大斜視図である。
なし なし As shown in FIG. 1, a circuit board in which various electric elements 6 are crimped and fixed to a bus bar 2 made of a punched metal plate formed by punching a metal plate is rich in durability, easy to automate manufacturing, Since it is easy to maintain, it is widely used for various equipment such as automobiles.
2 is an enlarged perspective view of a portion where the electric element 6 is fixed to the bus bar 2 made of a punched metal plate by pressure bonding.
None None

金属板を打ち抜いて形成された打ち抜き金属板製のバスバー２は、ハンダ付けではなく圧着機による圧着によって各種電気素子を接続できる点が最大の長所であり、従来においては、図３乃至図５に示す様な手順で電気素子をこれに圧着固定していた。即ち、図３及び図４に示す様に、金属板を所望の平面形状になる様に打ち抜いて形成した打ち抜き金属板製のバスバー２の一対の接続部３を圧着機の一対のアンビル５上にそれぞれ載置し、この接続部３上に電気素子６のリード線７をそれぞれ重ね、その上からクランパー８を同時に下降させ、図５に示す様に、アンビル５とクランパー８とを噛み合せることにより、リード線７を巻き込んで接続部３をかしめて、図２に示す様に、バスバー２へのリード線７の固定を行っていた。   The bus bar 2 made of a punched metal plate formed by punching a metal plate has the greatest advantage that various electric elements can be connected not by soldering but by crimping by a crimping machine. Conventionally, FIG. 3 to FIG. The electrical element was fixed to this by crimping as shown. That is, as shown in FIGS. 3 and 4, a pair of connecting portions 3 of a bus bar 2 made of a punched metal plate formed by punching a metal plate into a desired planar shape is placed on a pair of anvils 5 of a crimping machine. By placing each, the lead wire 7 of the electric element 6 is overlapped on the connection portion 3, and the clamper 8 is simultaneously lowered from above, and the anvil 5 and the clamper 8 are engaged with each other as shown in FIG. The lead wire 7 is wound and the connecting portion 3 is caulked to fix the lead wire 7 to the bus bar 2 as shown in FIG.

この様に、従来においては一対のクランパー８の同時の下降によって一対のリード線７を同時に接続部３へ圧着固定していたが、この方法では圧着作業時には接続すべき電気素子６に圧縮方向に力が加わると共に、圧着完了後には逆に外側方向に引っ張り力が加わってしまい、バスバー２に歪みが生じてしまうという重大な欠点があった。   Thus, in the prior art, the pair of lead wires 7 are simultaneously crimped and fixed to the connecting portion 3 by the simultaneous lowering of the pair of clampers 8, but in this method, the electrical element 6 to be connected is compressed in the compression direction during the crimping operation. There is a serious drawback that a force is applied and a pulling force is applied to the outside direction after the crimping is completed, and the bus bar 2 is distorted.

特に、自動車用の回路基板は比較的大きな電流が流れるものであり、バスバー２の歪みは電気抵抗に変化をもたらし、誤作動の原因となりかねず、この種バスバーの自動車用への採用を躊躇させる一因ともなりかねなかった。   In particular, a circuit board for an automobile is a circuit in which a relatively large current flows, and the distortion of the bus bar 2 may cause a change in electrical resistance, which may cause a malfunction. It could have contributed.

本発明者は、この打ち抜き金属板製のバスバーへの電気素子の圧着固定に関する上記従来の問題点を解決すべく鋭意研究した結果、圧着作業中及び圧着完了後いずれにおいても電気素子やバスバーに歪みが生じるおそれが完全に解消された圧着固定方法を開発することに成功し、ここに提案するものである。   As a result of earnest research to solve the above-described conventional problems related to crimping and fixing of electric elements to bus bars made of punched metal plates, the inventor has distorted the electric elements and bus bars both during and after crimping. We have succeeded in developing a crimping and fixing method that completely eliminates the possibility of the occurrence of this phenomenon, and we propose here.

所望の平面形状になる様に金属板を打ち抜いて形成された打ち抜き金属板製のバスバーへ電気素子を圧着固定する際に、バスバーに形成されている一対の接続部へ電気素子の一方のリード線を圧着固定せしめた後、時間差を取ってバスバーのもう一方の接続部へ他方のリード線を圧着固定することにより上記課題を解決した。   When crimping and fixing an electrical element to a bus bar made of a stamped metal plate formed by punching a metal plate so as to have a desired planar shape, one lead wire of the electrical element is connected to a pair of connection parts formed on the bus bar The above-mentioned problem was solved by fixing the other lead wire to the other connecting portion of the bus bar with a time lag after fixing.

圧着固定すべき電気素子６の一対のリード線７，７を同時にではなく、時間差を設けて圧着固定しており、この様にすることにより、クリンパー８が下降して圧着作業を行っている時に、もう一方のリード線７は自由状態になるので、圧縮力を逃すことが出来、電気素子６に両側から圧縮力がかかることがなくなる。そして、一方を圧着固定した後に、他方を圧着固定するので、一回目の圧着固定によってもう一方のリード線７の位置が多少ずれたとしても、このずれを吸収した位置で他方のリード線７の圧着固定が行われるので、電気素子６は圧縮力も引っ張り力もかからぬ状態でバスバー２に固定されることになる。従って、バスバー２に歪みが生じるおそれは皆無で、安定的にその電気的機能を発揮し続けることが出来る。   The pair of lead wires 7 and 7 of the electric element 6 to be fixed by crimping are not crimped at the same time but at a time difference, and in this way, when the crimper 8 is lowered and the crimping operation is performed. Since the other lead wire 7 is in a free state, the compressive force can be released and the electric element 6 is not applied with the compressive force from both sides. Then, since one side is crimped and fixed, the other is crimped and fixed, so even if the position of the other lead wire 7 is slightly displaced by the first crimping and fixing, the position of the other lead wire 7 is absorbed at this position. Since the crimping and fixing are performed, the electric element 6 is fixed to the bus bar 2 without applying a compressive force or a tensile force. Therefore, there is no possibility that the bus bar 2 is distorted, and the electric function can be stably exhibited.

バスバー２に接続すべき電気素子６の一対のリード線７を同時にではなく、時間差を設けて圧着固定せしめた点に最大の特徴を有する。   It has the greatest feature in that the pair of lead wires 7 of the electric element 6 to be connected to the bus bar 2 are crimped and fixed with a time difference rather than simultaneously.

以下、図６乃至図８を参照しながら本発明の実施例１について説明する。これら図面はこの発明に係る打ち抜き金属板製のバスバーへの電気素子の接続方法の手順を説明したものであり、図中５は圧着機のアンビル、８はクリンパーであり、クリンパー８はアンビル５に対して昇降自在に取付けられている。そして、このアンビル５とクリンパー８はそれぞれ図示の通り一対設けられている。このアンビル５上に、打ち抜き金属板製のバスバー２の一対の接続部３を載置し、更にこの接続部３上に接続しようとする電気素子６のリード線７を重ね、図６に示す様に一対のクリンパー８のうち一方だけを下降させて、アンビル５とクリンパー８の噛み合せによって一方のリード線７を巻き込んで接続部３をかしめ、バスバー２への一方のリード線７の接続を行う。その後、図６に示す様にもう一方のクリンパー８を下降させ接続部３をかしめて同様に他方のリード線７を接続部３に圧着する。   Hereinafter, Embodiment 1 of the present invention will be described with reference to FIGS. These drawings explain the procedure of the method of connecting an electric element to a bus bar made of a punched metal plate according to the present invention, in which 5 is an anvil of the crimping machine, 8 is a crimper, and the crimper 8 is attached to the anvil 5. On the other hand, it is attached to be movable up and down. A pair of the anvil 5 and the crimper 8 are provided as shown. On this anvil 5, a pair of connection portions 3 of a bus bar 2 made of a punched metal plate are placed, and further, lead wires 7 of electric elements 6 to be connected are superimposed on the connection portions 3, as shown in FIG. Only one of the pair of crimpers 8 is lowered, and one lead wire 7 is wound up by meshing the anvil 5 and the crimper 8 to caulk the connecting portion 3, and the one lead wire 7 is connected to the bus bar 2. After that, as shown in FIG. 6, the other crimper 8 is lowered and the connecting portion 3 is caulked to similarly crimp the other lead wire 7 to the connecting portion 3.

つまり、この実施例においては、圧着固定すべき電気素子６の一対のリード線７，７を同時にではなく、時間差を設けて圧着固定しており、この様にすることにより、一方のクリンパー８が下降して圧着作業を行っているときには、もう一方のリード線７は自由状態になり、これによって圧縮力を逃すことが出来るので、電気素子６に圧縮力がかかることがなくなる。そして、一方を圧着固定した後に他方を圧着固定するので、一回目の圧着固定によってもう一方のリード線７の位置が多少ずれたとしても、このずれを吸収した位置でリード線７の圧着固定が行われ、電気素子６は圧縮力も引っ張り力もかからぬ状態でバスバー２に固定されたことになる。従って、バスバー２に歪みが生じるおそれは皆無で、安定的にその電気的機能を発揮し続けることが出来る。なお、一対のリード線７を時間差を設けて接続部３に圧着固定するには、一対のクリンパー８をそれぞれ独立して下降出来る様にすれば良いのであり、図８に示す様に、一方のクリンパー８を固定した昇降ブロック９と、もう一方のクリンパー８を固定した昇降ブロック１０との間にギャップ１１を設け、このギャップ１１によってそれぞれのクリンパー８が下死点までの到達時間に差を生じさせる様にすれば良い。   That is, in this embodiment, the pair of lead wires 7 and 7 of the electrical element 6 to be crimped and fixed are fixed by crimping with a time difference, not at the same time. When the crimping operation is performed while being lowered, the other lead wire 7 is in a free state, so that the compressive force can be released, and thus the compressive force is not applied to the electric element 6. Since one side is crimped and fixed, and the other is crimped and fixed, even if the position of the other lead wire 7 is slightly displaced by the first crimping and fixing, the lead wire 7 is crimped and fixed at the position where this deviation is absorbed. As a result, the electric element 6 is fixed to the bus bar 2 without applying a compressive force or a tensile force. Therefore, there is no possibility that the bus bar 2 is distorted, and the electric function can be stably exhibited. In addition, in order to crimp and fix the pair of lead wires 7 to the connecting portion 3 with a time difference, the pair of crimpers 8 may be lowered independently, as shown in FIG. A gap 11 is provided between the lifting block 9 to which the crimper 8 is fixed and the lifting block 10 to which the other crimper 8 is fixed. The gap 11 causes a difference in the arrival time of each crimper 8 to the bottom dead center. You should just make it.

比較的大きな電流が流れる自動車用電装品などに最適である。   It is most suitable for electrical equipment for automobiles where a relatively large current flows.

打ち抜き金属板製のバスバー２に各種電気素子６を圧着固定した状態の一例の斜視図。The perspective view of an example of the state which crimped and fixed various electric elements 6 to the bus-bar 2 made from a punching metal plate. 図１において、バスバー２に電気素子６が圧着固定されている箇所の拡大斜視図。FIG. 2 is an enlarged perspective view of a portion where an electric element 6 is fixed to a bus bar 2 by pressure bonding in FIG. 1. 打ち抜き金属板製のバスバー２に電気素子６を圧着固定する作業をしている状況の従来例の正面図。The front view of the prior art example of the condition which is carrying out the operation | work which crimps and fixes the electric element 6 to the bus-bar 2 made from a punching metal plate. 同じく、図３に示した状態をその右方向から見た側面図。Similarly, the side view which looked at the state shown in FIG. 3 from the right direction. 同じく、アンビル５とクリンパー８とが噛み合って圧着が完了した状況の側面図。Similarly, the side view of the situation where the anvil 5 and the crimper 8 are engaged and the crimping is completed. この発明に係る打ち抜き金属板製のバスバー２に電気素子６を圧着固定する作業の状況を説明する為の作業状況の第一段階の正面図。The front view of the 1st step of the operation | work condition for demonstrating the condition of the operation | work which crimps and fixes the electric element 6 to the bus-bar 2 made from a punching metal plate which concerns on this invention. 同じく、その第二段階の正面図。Similarly, the front view of the second stage. この発明に係る圧着方法を実施する為の装置の一例の斜視図。The perspective view of an example of the apparatus for enforcing the crimping | compression-bonding method which concerns on this invention.

符号の説明Explanation of symbols

２ バスバー
３ 接続部
５ アンビル
６ 電気素子
７ リード線
８ クリンパー
９ 昇降ブロック
１０ 昇降ブロック
１１ ギャップ



















2 Busbar 3 Connection 5 Anvil 6 Electrical element 7 Lead wire 8 Crimper 9 Lift block 10 Lift block 11 Gap



















Claims (1)

所望の平面形状になる様に金属板を打ち抜いて形成された打ち抜き金属板製のバスバーへ電気素子を圧着固定する際に、バスバーに形成されている一対の接続部へ電気素子の一方のリード線を圧着固定せしめた後、時間差を取ってバスバーのもう一方の接続部へ他方のリード線を圧着固定する様にしたことを特徴とする打ち抜き金属板製のバスバーへの電気素子の圧着固定方法。

When crimping and fixing an electrical element to a bus bar made of a stamped metal plate formed by punching a metal plate so as to have a desired planar shape, one lead wire of the electrical element is connected to a pair of connection parts formed on the bus bar A method of crimping and fixing an electric element to a bus bar made of a stamped metal plate, wherein the other lead wire is crimped and fixed to the other connection portion of the bus bar after a time is fixed by crimping.

JP2004365475A 2004-12-17 2004-12-17 A method for crimping and fixing an electric element to a bus bar made of a punched metal plate. Expired - Fee Related JP4489573B2 (en)

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JP2004365475A JP4489573B2 (en) 2004-12-17 2004-12-17 A method for crimping and fixing an electric element to a bus bar made of a punched metal plate.

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JP2004365475A JP4489573B2 (en) 2004-12-17 2004-12-17 A method for crimping and fixing an electric element to a bus bar made of a punched metal plate.

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JP4489573B2 true JP4489573B2 (en) 2010-06-23

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JP5672549B2 (en) * 2011-05-31 2015-02-18 株式会社日本ロック Electronic component joint structure
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