JPS5970434A - Correction of wire rod - Google Patents
Correction of wire rodInfo
- Publication number
- JPS5970434A JPS5970434A JP57179786A JP17978682A JPS5970434A JP S5970434 A JPS5970434 A JP S5970434A JP 57179786 A JP57179786 A JP 57179786A JP 17978682 A JP17978682 A JP 17978682A JP S5970434 A JPS5970434 A JP S5970434A
- Authority
- JP
- Japan
- Prior art keywords
- wire rod
- wire
- correcting
- gap
- corrected
- 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
- 238000000034 method Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 abstract description 19
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 14
- 239000008188 pellet Substances 0.000 abstract description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/02—Feeding of components
- H05K13/023—Feeding of components with bending or straightening of the terminal leads
- H05K13/024—Straightening or aligning terminal leads
- H05K13/025—Straightening or aligning terminal leads of components having oppositely extending terminal leads
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Wire Processing (AREA)
- Supply And Installment Of Electrical Components (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は、・線材の曲りを矯正する方法に係り、特にア
キシャルリード型電子部品のリード線の曲りを直線状に
矯正する方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a method for correcting a bend in a wire, and particularly to a method for correcting a bend in a lead wire of an axial lead type electronic component into a straight line.
たとえばアキシャルリード型半導体素子１は、第１図に
示すように同軸上に配置したリード線２゜２間に半導体
ベレットを固着させ、その周囲を樹脂モールド３して形
成されるが、この樹脂モールド３の両端から突出したリ
ード線２．２が、その線径や軟金属材料の使用等により
曲り易すい。For example, an axial lead type semiconductor device 1 is formed by fixing a semiconductor pellet between lead wires 2°2 arranged coaxially as shown in FIG. The lead wires 2.2 protruding from both ends of the lead wires 2.2 are easily bent due to their wire diameter and the use of soft metal materials.
リード線２．２が曲がっていると、電子部品の製造工程
中、種々の不都合がある。If the lead wire 2.2 is bent, there will be various inconveniences during the manufacturing process of electronic components.
たとえば、半導体素子の製造工程中には、その極性判別
工程、樹脂モールド部へのマーキング工程、リード線の
両端をテープで止めるテーピング工程等が存在するが、
これらの工程では装置へのスムースな挿入等をなすため
にリード線が直線状であることが必要である。For example, during the manufacturing process of semiconductor devices, there are steps such as determining the polarity, marking the resin mold part, and taping both ends of the lead wires with tape.
In these steps, it is necessary for the lead wire to be straight in order to smoothly insert it into the device.
このため従来では第２図および第３図に示すようにアキ
シャルリード型半導体素子１のリード線２．２を支持す
るように２本のレール状のゴム帯４．４を設け、このゴ
ム帯４，４上に図示を略した搬送ベルト等の移送装置に
より前記半導体装置１を連続的に搬送し、ゴム帯４，４
の直上に設けたゴムローラ５，５でリード線２．２を押
圧し、その曲りを直していた。For this reason, conventionally, as shown in FIGS. 2 and 3, two rail-shaped rubber bands 4.4 are provided to support the lead wires 2.2 of the axial lead type semiconductor element 1. , 4, the semiconductor device 1 is continuously transported by a transport device such as a transport belt (not shown) on the rubber bands 4, 4.
The lead wire 2.2 was pressed with rubber rollers 5, 5 provided directly above the lead wire 2.2 to straighten the bend.
しかしながら上記の矯正方法では、ゴム帯４゜４とゴム
ローラ５，５との間に左右のリード線２゜２が挿入され
るタイミングがずれた場合や左右のゴムローラ５，５０
回転速度に差違がある場合にはリード線２．２にねじり
応力が加えられ、これが半導体素子１の内部に伝達され
、半導体ペレットに機械的ストレスを付与し、この種の
電子部品の信頼性を損ねる欠点を有する。However, in the above-mentioned correction method, if the timing of inserting the left and right lead wires 2°2 between the rubber band 4°4 and the rubber rollers 5, 5 is misaligned, or when the left and right rubber rollers 5,50
If there is a difference in rotational speed, a torsional stress is applied to the lead wire 2.2, which is transmitted to the interior of the semiconductor element 1, imparting mechanical stress to the semiconductor pellet and reducing the reliability of this type of electronic component. It has disadvantages that detract from it.
さらに矯正すべき線材の線径が太い場合には、ねじれ防
止の見地からゴムローラ５．５の加圧力を一定限度以上
強くできず、そのため完全には曲りを矯正できない欠点
を有する。Furthermore, if the wire to be straightened has a large diameter, the pressing force of the rubber rollers 5.5 cannot be increased beyond a certain limit in order to prevent twisting, and as a result, there is a drawback that the bend cannot be completely straightened.
本発明は、上記の事情に基づきなされたもので、アキシ
ャルリード型電子部品のリード線等の線材を確実にかつ
自動的に矯正し得るようにした線材の矯正方法を提供す
ることを目的とする。The present invention has been made based on the above circumstances, and an object of the present invention is to provide a wire straightening method that can reliably and automatically straighten a wire such as a lead wire of an axial lead type electronic component. .
すなわち、本発明は、軸方向に所定の間隔を隔てて配置
された複数の鍔状体を有し、この鍔状体の周縁部の一部
に少くとも１つの切欠部を設けた１対の矯正ローラを互
いに前記鍔状体が相手側の隣接する鍔状体によって形成
される軸方向の間隙に入り込むよ５に配置し、前記切欠
部の谷の部分が前記１対の矯正ローラの中心軸を結ぶ線
上で互いに迎合するように前記矯正ローラを回転させ、
前記切欠部に矯正すべき線材を案内して線材の曲りを矯
正するようにしたことを特徴とすゐ線材の矯正方法であ
る。That is, the present invention has a plurality of flanges arranged at predetermined intervals in the axial direction, and a pair of flanges in which at least one notch is provided in a part of the peripheral edge of the flanges. The straightening rollers are arranged so that the flanged bodies enter into the axial gap formed by the adjacent flanged bodies on the other side, and the valley portion of the notch is aligned with the central axis of the pair of straightening rollers. rotating the correction rollers so that they meet each other on a line connecting the
This method of straightening a wire is characterized in that the wire to be straightened is guided into the notch to straighten the bend of the wire.
以下に、本発明の一実施例を図面を参照して説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第４図は、本発明方法の概略構成を示し、たとえば第１
図に示すようなモールド部３の両端からり−ド線２が突
出したアキシャル型半導体素子１が搬送ベルト６によっ
て矢印方向に搬送される。FIG. 4 shows a schematic configuration of the method of the present invention, for example, the first
As shown in the figure, an axial type semiconductor device 1 having lead wires 2 protruding from both ends of a molded portion 3 is conveyed by a conveyor belt 6 in the direction of the arrow.
＝ ！−
この搬送ベルト６によって搬送されたアキシャルリード
型半導体素子１は、互いに反対方向に回転する矯正ロー
２２０，２５上に落され、矯正ローラ２（ｊ、２５の協
働作用によりリード線２，２０曲りが矯正され、下方に
落下する。矯正ローラ２０゜２５の直下には、搬送ベル
ト７が設けてあり、この搬送ベルト７・で前記の半導体
素子１を受け、次工程へと搬送される。=! - The axial lead type semiconductor device 1 conveyed by the conveyor belt 6 is dropped onto the correction rollers 220 and 25 rotating in opposite directions, and the lead wires 2 and 20 are The bend is corrected and the semiconductor element 1 falls downward. A conveyor belt 7 is provided directly below the correction rollers 20.degree. 25, and the semiconductor element 1 is received by the conveyor belt 7 and conveyed to the next process.
前記の矯正ロー２２０，２５は、次の構成から成る。The above-mentioned straightening rows 220 and 25 have the following configuration.
すなわち第５図に示すように矯正ローラ２０は、その回
転軸２１の軸方向に所定の間隔ｔを隔てて複数の鍔状体
２２が配置されている。上記の間隔ｔは本実施例の場合
４．２ ｍｍ 、鍔状体２２の板厚を４朋、その枚数を
片側４枚とした。That is, as shown in FIG. 5, the correction roller 20 has a plurality of flanges 22 arranged at a predetermined interval t in the axial direction of a rotating shaft 21 thereof. In this embodiment, the above-mentioned interval t was 4.2 mm, the thickness of the flanged body 22 was 4 mm, and the number of flanges 22 was 4 on each side.
また、上記鍔状体２２の形状は第６図に示すようＫその
周縁に少くとも１箇所に切欠部２４が形成されてい４本
実施例では周縁に切欠部を６ケ所形成しである。As shown in FIG. 6, the shape of the brim-like body 22 is such that at least one notch 24 is formed on its periphery, and in this embodiment, six notches are formed on the periphery.
矯正ローラ２５は、矯正ローラ２０と同様にそ ４−
の軸方向に所定の間隔ｔを隔てて複数の鍔状体２２が配
置されている。この鍔状体２２は前記同様に板厚を４ｍ
ｍ、ｔ＝４．２龍、鍔状体２２の枚数を３枚とし、図示
のように互いの鍔状体２２．２２が相手側の間隙２６に
入り込むように配置される。Similar to the correction roller 20, the correction roller 25 has a plurality of flanges 22 arranged at a predetermined interval t in the axial direction thereof. This flanged body 22 has a plate thickness of 4 m as described above.
m, t = 4.2 dragons, the number of flanges 22 is three, and they are arranged so that each flanges 22 and 22 fit into the gap 26 of the other side, as shown in the figure.
矯正ローラ２５の鍔状体２２の円周方向にも切欠部２４
が設けられる。There is also a notch 24 in the circumferential direction of the brim 22 of the correction roller 25.
is provided.
上記矯正ローラ２０，２５に設けた切欠部２４゜２４は
、互いに迎合して矯正されるべき線材の直径にほぼ等し
い空隙を形成するように構成される。The notches 24 and 24 provided in the straightening rollers 20 and 25 are configured to fit each other to form a gap approximately equal to the diameter of the wire to be straightened.
すなわち、対向配置された矯正ローラ２０，２５の回転
軸２１．２７を結ぶ軸線ｍｎ上において、切欠部２４．
２４の谷の部分が互いに迎合して空隙２９を形成するよ
うに矯正ローラ２０，２５を同期させて回転させる。That is, the cutout portion 24.
The correction rollers 20 and 25 are rotated synchronously so that the valley portions of the rollers 24 meet each other to form a gap 29.
上記矯正ローラ２０，２５の中央部の回転軸２１゜２７
間には前記半導体素子１のモールド部３が遊嵌するのに
十分な間隙２８が形成される。Rotating shaft 21° 27 at the center of the correction rollers 20, 25
A gap 28 sufficient for loosely fitting the mold part 3 of the semiconductor element 1 is formed therebetween.
前記の切欠部２４．２４の迎合位置での空隙２９は回転
軸２１．２７の軸方向に対して直線状となる。 □〔
発明の効果〕
上記の構成により、今、矯正すべきアキシャルリード型
半導体素子１を矯正ローラ２０，２５間に供給すれば、
前記半導体素子１のリード線２．２の部分は、互いに反
対方向に回転する鍔状体２２゜２２により噛み込まれ、
迎合する切欠部２４により強制的にかつ自動的に直線状
に矯正される。The air gap 29 in the engagement position of the cutout 24.24 is linear with respect to the axial direction of the rotation axis 21.27. □〔
[Effects of the Invention] With the above configuration, if the axial lead type semiconductor element 1 to be corrected is now supplied between the correction rollers 20 and 25,
A portion of the lead wire 2.2 of the semiconductor element 1 is bitten by a collar-like body 22° 22 rotating in mutually opposite directions,
The mating notch 24 forces and automatically straightens it.
この場合、リード線２．２は、軸方向に直線状となる間
隙２９内に入り込み、この間隙２９において直線状に矯
正するために左右のリード線２゜２に同時に矯正力が加
わることとなり、したがってねじり応力を付与すること
がなく、またモールド部３の内部の半導体ペレットに機
械的ストレスを加えるおそれもない。In this case, the lead wire 2.2 enters the gap 29 that is straight in the axial direction, and in order to straighten the lead wire 2.2 straight in the gap 29, a straightening force is applied to the left and right lead wires 2.2 at the same time. Therefore, no torsional stress is applied, and there is no fear of applying mechanical stress to the semiconductor pellet inside the mold part 3.
なお、本発明の実施例では、樹脂モールド部の両端から
リード線が突出しているアキシャルリード型半導体素子
のリード線の矯正方法について説明したが勿論、これに
限定されるものではなく、広く線材の曲りの矯正方法と
して利用できることはいうまでもない。In the embodiments of the present invention, a method for correcting the lead wires of an axial lead type semiconductor element in which the lead wires protrude from both ends of the resin molded part has been described, but the method is of course not limited to this, and a wide variety of wire materials can be used. Needless to say, it can be used as a method for correcting bends.
また、矯正ローラの鍔状体の機械的強度を考慮し適当な
材料を選定することにより剛性の強い棒状材の曲りをも
矯正することが可能である。Further, by selecting an appropriate material in consideration of the mechanical strength of the brim of the correction roller, it is possible to correct the bending of a highly rigid bar-shaped member.
さらに、鍔状体の外周の複数箇所に数多くの切欠部を設
け、矯正ローラの回転数を上げて前記切欠部に連続的に
矯正すべき線材を供給するようにすれば、さらに矯正作
業の能率を向上させることができる。Furthermore, if a large number of notches are provided at multiple locations on the outer periphery of the brim, and the number of revolutions of the straightening roller is increased to continuously supply the wire to be straightened to the notches, the efficiency of the straightening work can be further improved. can be improved.
なお、樹脂モールド部を有さない線材の曲りを矯正する
Ｋは、原理的には第５図の矯正ローラの左右いずれか半
分の構成を有すればその目的を達成することができる。In principle, the K for straightening the bending of a wire without a resin molded portion can achieve its purpose if it has the configuration of either the left or right half of the straightening roller shown in FIG.
さらに鍔状体の枚数、板厚、隣接鍔状体間の間隔も本発
明の実施例に限定されるものではない。Furthermore, the number of flanges, the plate thickness, and the distance between adjacent flanges are not limited to the embodiments of the present invention.
第１図は、アキシャルリード型半導体素子のリード線の
曲り状態を示す斜視図、第２図、第３図は、上記リード
線の曲りを矯正するための従来方法を示す側面図および
斜視図、第４図は、本発明の線材の曲りを矯正する方法
の概略を示す説明図、第５図は、上記方法を実施するた
めの矯正ローラの平面図、第６図は、第５図のＡ−Ａ矢
視図である。
２０、２５・・・矯正ローラ、２１．２７・・・回転軸
、２２・・・鍔状体、 ２４・・・切欠部、２６
、２８・・・間 隙
出願代理人 弁理士 菊 池 五 部FIG. 1 is a perspective view showing a bent state of the lead wire of an axial lead type semiconductor element, FIGS. 2 and 3 are a side view and a perspective view showing a conventional method for correcting the bend in the lead wire, FIG. 4 is an explanatory diagram showing an outline of the method of straightening the bend in a wire according to the present invention, FIG. 5 is a plan view of a straightening roller for carrying out the above method, and FIG. -A arrow view. 20, 25... Correction roller, 21.27... Rotating shaft, 22... Flange-like body, 24... Notch, 26
, 28... Gap application agent Patent attorney Kikuchi Gobe
Claims (1)
有し、この鍔状体の周縁部の一部に少くとも１つの切欠
部を設けた１対の矯正ローラを互いの前記鍔状体が相手
側の隣接鍔状体によって形成される軸方向間隙に入り込
むように配置し、前記切欠部の谷の部分が前記１対の矯
正ローラの中心軸を結ぶ線上で互いに迎合するように前
記矯正ローラを回転させ、前記切欠部に矯正すべき線材
を案内□して線材の曲りを矯正するようにしたことを特
徴とする線材の矯正方法。A pair of correction rollers each having a plurality of flanges arranged at predetermined intervals in the axial direction and having at least one notch in a part of the peripheral edge of the flanges are connected to each other. The flanged body is arranged so as to fit into the axial gap formed by the adjacent flanged body on the other side, and the valley portion of the notch portion meets each other on a line connecting the central axes of the pair of correction rollers. A method for straightening a wire rod, characterized in that the straightening roller is rotated to guide the wire rod to be straightened into the notch portion to straighten the bend of the wire rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57179786A JPS5970434A (en) | 1982-10-15 | 1982-10-15 | Correction of wire rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57179786A JPS5970434A (en) | 1982-10-15 | 1982-10-15 | Correction of wire rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5970434A true JPS5970434A (en) | 1984-04-20 |
Family
ID=16071863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57179786A Pending JPS5970434A (en) | 1982-10-15 | 1982-10-15 | Correction of wire rod |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5970434A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6130250A (en) * | 1984-07-23 | 1986-02-12 | Matsutani Seisakusho:Kk | Positioning and fetching device of fine bar |
| CN102832566A (en) * | 2012-09-24 | 2012-12-19 | 安徽省电力公司蚌埠供电公司 | Secondary wire leveler |
| JPWO2016147381A1 (en) * | 2015-03-19 | 2017-12-28 | 富士機械製造株式会社 | Tape feeder |
-
1982
- 1982-10-15 JP JP57179786A patent/JPS5970434A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6130250A (en) * | 1984-07-23 | 1986-02-12 | Matsutani Seisakusho:Kk | Positioning and fetching device of fine bar |
| CN102832566A (en) * | 2012-09-24 | 2012-12-19 | 安徽省电力公司蚌埠供电公司 | Secondary wire leveler |
| JPWO2016147381A1 (en) * | 2015-03-19 | 2017-12-28 | 富士機械製造株式会社 | Tape feeder |
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