JPH0218930Y2 - - Google Patents
Info
- Publication number
- JPH0218930Y2 JPH0218930Y2 JP13475084U JP13475084U JPH0218930Y2 JP H0218930 Y2 JPH0218930 Y2 JP H0218930Y2 JP 13475084 U JP13475084 U JP 13475084U JP 13475084 U JP13475084 U JP 13475084U JP H0218930 Y2 JPH0218930 Y2 JP H0218930Y2
- Authority
- JP
- Japan
- Prior art keywords
- diameter cylindrical
- cylindrical portion
- insulator
- sleeve
- crimping
- 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
Links
- 238000002788 crimping Methods 0.000 claims description 25
- 239000012212 insulator Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 238000000465 moulding Methods 0.000 description 6
- 208000000260 Warts Diseases 0.000 description 4
- 201000010153 skin papilloma Diseases 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
- Manufacturing Of Electrical Connectors (AREA)
Description
【考案の詳細な説明】
〈産業上の利用分野〉
本考案は、複数本の電線を電気的及び機械的に
接続し、その接続箇所を絶縁被覆する場合に用い
られるもので、詳しくは電源挿入用開口端を有す
る大径筒部と有底小径筒部とが一連一体に成形さ
れた絶縁体の前記小径筒部内に圧着スリーブを挿
嵌保持させてさる絶縁被覆付圧着スリーブに関す
る。[Detailed description of the invention] <Industrial field of application> This invention is used to electrically and mechanically connect multiple electric wires and insulate the connection points. The present invention relates to an insulation-coated crimping sleeve in which a crimping sleeve is inserted and held within the small-diameter cylindrical portion of an insulator, which is formed by integrally molding a large-diameter cylindrical portion having an open end and a small-diameter cylindrical portion with a bottom.
〈従来の技術〉
従来から一般的に使用されているこの種の絶縁
被覆付圧着スリーブは第９図で示すように、射出
成形手段によつて、大径筒部１Ａと有底小径筒部
１Ｂとが一連一体に成形された絶縁体１の前記小
径筒部１Ｂの底壁部１ｂが筒外方に向かつて突曲
する形態のものに構成されていた。<Prior art> As shown in FIG. 9, this type of crimp sleeve with an insulation coating, which has been commonly used in the past, is made by injection molding into a large-diameter cylindrical portion 1A and a small-diameter cylindrical portion 1B with a bottom. The bottom wall portion 1b of the small-diameter cylindrical portion 1B of the insulator 1, which is integrally molded in a series, is configured to protrude toward the outside of the cylinder.
〈考案が解決しようとする問題点〉
そのため成形時において同図でも明示したよう
に、前記小径筒部１Ｂの底壁部１ｂ中央位置にそ
の頂点から外方に向かつて突出するイボ状の成形
突起１０が残留形成される。この成形突起１０の
突出長さは一様でなく、成形温度の微妙な変化や
連続成形個数の相違等によて突出長さにばらつき
がある。そして、このような成形突起１０が存在
すると、該圧着スリーブを第６図の如くガイドレ
ール６に沿つて整列状態で圧着機の圧着ダイス８
に自動移送しながら所期の圧着作業を行なう際、
成形突起１０がガイドレール６側面に強く接触し
て円滑な移送が行なえないとか、送り姿勢が乱れ
るとか、或いは特にその突出長さが大きい場合は
ガイドレール６内に入りきれないとかいつた移送
障害が発生する。また、圧着ダイス８に移送供給
された状態で第７図で示すように大径筒部１Ａの
開口端１ａ側から圧着スリーブ２に対する電線挿
入が行なわれ、その電線挿入に伴なうスリーブ全
体の僅少な変化をマイクロスイツチ１１で検出し
て圧着ダイス８を圧着作動させる場合、前記成形
突起１０の突出長さの相違によつて前記スイツチ
１１の検出タイミングが微妙にずれ、電線の挿入
長にばらつきが生じて不良品を発生し易い。特に
成形突起１０の突出長さが不当に大きい場合、圧
着ダイス８に供給されると直ぐにスイツチ１１が
入り、電線が挿入されないまま圧着作動してしま
う欠点があつた。<Problem to be solved by the invention> Therefore, as clearly shown in the same figure, during molding, a wart-like molding projection is formed at the center position of the bottom wall portion 1b of the small diameter cylindrical portion 1B, protruding outward from its apex. 10 remains formed. The protruding length of the molded projections 10 is not uniform, and varies due to subtle changes in molding temperature, differences in the number of molded pieces, etc. When such a molded protrusion 10 exists, the crimping sleeve is aligned along the guide rail 6 as shown in FIG.
When performing the desired crimping work while automatically transferring the
Transfer obstacles such as the molding protrusion 10 strongly contacting the side surface of the guide rail 6 and making it impossible to transfer smoothly, the feeding posture being disturbed, or especially when the protruding length is large, the forming protrusion 10 cannot fully enter the guide rail 6. occurs. In addition, as shown in FIG. 7, the electric wire is inserted into the crimp sleeve 2 from the open end 1a side of the large-diameter cylindrical portion 1A while the electric wire is being transferred and supplied to the crimping die 8. When a slight change is detected by the micro switch 11 and the crimping die 8 is operated for crimping, the detection timing of the switch 11 is slightly shifted due to the difference in the protruding length of the molded protrusion 10, resulting in variations in the insertion length of the electric wire. This can easily result in defective products. In particular, when the protruding length of the forming protrusion 10 is unreasonably large, the switch 11 is turned on immediately after being supplied to the crimping die 8, resulting in the crimping operation being performed without the wire being inserted.
〈問題点を解決するための手段〉
本考案は上述のような従来欠点を解消すること
を目的とするものであつて、冒頭詳記の構成を有
するものにおいて、前記絶縁体１の小径筒部１Ｂ
底壁部１ｂの少なくとも中央部分を筒内方に向か
つて突曲させ、該内方突曲部内に成形突起１０が
位置し、かつ、その先端部が底壁部１ｂの最外面
より内方に位置するように形成してあるという構
成に特徴を有するものである。<Means for Solving the Problems> The present invention aims to eliminate the conventional drawbacks as described above, and in the structure described in detail at the beginning, the small diameter cylindrical portion of the insulator 1 is 1B
At least the center portion of the bottom wall portion 1b is curved inward toward the inside of the cylinder, the molded protrusion 10 is located within the inwardly curved portion, and the tip thereof is located inward from the outermost surface of the bottom wall portion 1b. It is characterized by the structure that it is formed so that it is located in the same position.
〈作用〉
このような特徴構成を有する本考案に係る絶縁
被覆付圧着スリーブによれば、小径筒部１Ｂの底
壁部１ｂの少なくとも中央部分が筒内方に向かつ
て突曲していて、その外面側には凹部９が形成さ
れるので、既述のような成形突起１０の形成は避
けられないものの、該突起１０が小径筒部１Ｂの
底壁１ｂの最低部から更に外方に突出することを
避けることができる。つまり、前記の凹部９をも
つて成形突起１０の突出量のばらつきを吸収する
ことができるのである。<Function> According to the crimp sleeve with insulation coating according to the present invention having such a characteristic configuration, at least the central portion of the bottom wall portion 1b of the small diameter cylindrical portion 1B is curved inwardly into the cylinder. Since the recess 9 is formed on the outer surface side, the formation of the molded protrusion 10 as described above is unavoidable, but the protrusion 10 protrudes further outward from the lowest part of the bottom wall 1b of the small diameter cylindrical portion 1B. can be avoided. In other words, the recess 9 can absorb variations in the amount of protrusion of the molded protrusion 10.
〈考案の効果〉
従つて、成形時に残留形成が不可避なイボ状突
起１０が存在するも、またそのイボ状突起１０の
突出長さに多少の差があつても、小径筒部１Ｂの
底壁部１ｂの少なくとも中央部分を筒内方に向か
つて突曲させ、該内方突曲部内に成形突起１０が
位置し、かつ、その先端部が底壁部１ｂの最外面
より内方に位置するように形成してあるので、絶
縁体１全体としての筒軸芯方向の全長がほぼ一定
のものを成形することができる。これによつて既
述のようにガイドレール６に沿つて整列状態で自
動移送しながら、圧着作業を行なう際のガイドレ
ール６に沿つての自動移送を、前記イボ状突起１
０による移送障害のない状態で確実円滑に行なう
ことができる。しかも、上記の自動移送によつて
圧着ダイス８に供給されたときの電線挿入に伴な
うスリーブ全体の変位検出をほぼ一定タイミング
のもので確実、正確に行なえて電線挿入長のばら
つきや非挿入状態での圧着作動といつた不良事態
の発生を防止でき、もつて、全体として所期の圧
着作業を不良品の発生が少なく、非常に歩留りの
良い状態で効果的に行ない得るに至つたのであ
る。<Effect of the invention> Therefore, even if there are wart-like protrusions 10 that inevitably remain during molding, and even if there is a slight difference in the protruding length of the wart-like protrusions 10, the bottom wall of the small diameter cylindrical portion 1B At least the central portion of the portion 1b is curved inward toward the inside of the cylinder, and the molded protrusion 10 is located within the inwardly curved portion, and its tip portion is located inward from the outermost surface of the bottom wall portion 1b. Since the insulator 1 is formed in this manner, it is possible to mold the insulator 1 as a whole having a substantially constant total length in the direction of the axis of the cylinder. As a result, as described above, the wart-like protrusions 1 can be automatically transferred along the guide rail 6 in an aligned state while performing the crimping operation.
Transfer can be carried out reliably and smoothly without any hindrance caused by zero. Moreover, the displacement of the entire sleeve due to the insertion of the wire when it is supplied to the crimping die 8 by the above-mentioned automatic transfer can be reliably and accurately detected at almost constant timing, and it is possible to detect variations in the length of the wire insertion and non-insertion of the wire. This has prevented the occurrence of defects such as crimping operation in the wrong condition, and has enabled the intended crimping work to be carried out effectively as a whole with fewer defective products and a very high yield. be.
〈実施例〉
以下本考案の実施例を図面に基づいて詳述す
る。<Examples> Examples of the present invention will be described below in detail based on the drawings.
第１図乃至第３図において、１は電線挿入用開
口端１ａを有する大径筒部１Ａと底壁１ｂを有す
る小径筒部１Ｂとが白色半透明のナイロンから同
芯状態で一連一体に成形された絶縁体であり、こ
の絶縁体１の小径筒部１Ｂの底壁部１ｂは第１図
で最も明瞭に示されているように、筒内方に向か
つて半円状に突曲されていて、その外面側に成形
突起１０を収容する凹部９が形成されている。２
は前記絶縁体１の小径筒部１Ｂ内で大径筒部１Ａ
側寄り位置に挿嵌保持された銅製圧着スリーブで
あつて、これは第４図で示すように帯状銅板２′
をその長手方向にタクト移送しながら順次絞り成
形しかつ切断したもので、第５図で明示の如く、
その軸芯方向の一端口部は電線挿入をスムーズに
行なえるようにラツパ状に拡径され、その外周縁
部２ａが他の周面よりもやや外方に環状に突出し
ているとともに、絞り成形品故に先端部側の方が
電線挿入端部側よりも伸び率が大きいことから全
体的に前記電線挿入端部側ほど径が僅かに大きい
テーパー状に構成されている。このような絶縁被
覆付圧着スリーブＳの複数個を第３図の如く夫々
の大径筒部１Ａにおいて絶縁体１と一体にモール
ド成形される帯状部材５を介して各々の筒軸芯が
互いに平行に姿勢位置する状態で一定間隔置きに
配置し連鎖させてリールに巻取り可能に構成して
ある。 In Figures 1 to 3, 1 is a large-diameter cylindrical part 1A having an open end 1a for inserting electric wires, and a small-diameter cylindrical part 1B having a bottom wall 1b, which are integrally molded from white translucent nylon in a concentric state. The bottom wall portion 1b of the small-diameter cylindrical portion 1B of this insulator 1 is curved in a semicircular shape toward the inside of the cylinder, as shown most clearly in FIG. A recess 9 for accommodating the molded protrusion 10 is formed on the outer surface thereof. 2
is the large diameter cylindrical portion 1A within the small diameter cylindrical portion 1B of the insulator 1.
This is a copper crimp sleeve that is inserted and held at a side position, and is attached to the strip-shaped copper plate 2' as shown in FIG.
was sequentially drawn and cut while being transported in a tact in the longitudinal direction, as shown in Fig. 5.
The opening at one end in the axial direction is enlarged in diameter to allow smooth insertion of the electric wire, and the outer peripheral edge 2a protrudes slightly outward from the other peripheral surfaces in an annular shape, and is formed by drawing. Due to its quality, the elongation rate is greater on the tip end side than on the wire insertion end side, so the overall diameter is tapered so that the diameter is slightly larger toward the wire insertion end side. As shown in FIG. 3, a plurality of such insulation-coated crimping sleeves S are connected in each large-diameter cylindrical portion 1A so that their cylindrical axes are parallel to each other via a strip member 5 that is integrally molded with the insulator 1. They are arranged at regular intervals so that they can be chained together and wound onto a reel.
而して、前記絶縁体１における小径筒部１Ｂの
前記圧着スリーブ２挿嵌保持部分の内径d1をそれ
よりも底壁１ｂ寄り部分の内径d2よりも大にして
その異径部分の繋がり箇所に、前記圧着スリーブ
２の先端部が接当するスリーブ先端位置決め用段
部３を形成するとともに、前記小径筒部１Ｂの開
口端寄り位置で、前記スリーブ２の電線挿入端部
に相当する位置の内周面には、前記圧着スリーブ
２の電線挿入側端部の外周縁部２ａが弾性的に係
合するほぼＶ形の周溝４が形成され、もつて、前
記段部３への接当と周溝４への弾性係合とにより
圧着スリーブ２を小径筒部１Ｂ内にその軸芯方向
両側への移動を阻止する位置決め状態に挿嵌保持
させたものである。 Therefore, the inner diameter d 1 of the crimp sleeve 2 insertion and holding portion of the small diameter cylindrical portion 1B of the insulator 1 is made larger than the inner diameter d 2 of the portion closer to the bottom wall 1b to connect the different diameter portions. A sleeve tip positioning step 3 is formed at the position where the tip of the crimp sleeve 2 contacts, and a position corresponding to the wire insertion end of the sleeve 2 is formed at a position near the opening end of the small diameter cylindrical portion 1B. A substantially V-shaped circumferential groove 4 is formed on the inner circumferential surface of the crimping sleeve 2 so that the outer circumferential edge 2a of the wire insertion side end of the crimp sleeve 2 is elastically engaged with the outer circumferential groove 4. By the contact and elastic engagement with the circumferential groove 4, the crimp sleeve 2 is inserted and held within the small diameter cylindrical portion 1B in a positioning state that prevents movement to both sides in the axial direction.
上記のように構成された連鎖型絶縁被覆付圧着
スリーブは、第６図及び第７図で示すようにリー
ルに巻取られた状態で、各絶縁被覆付圧着スリー
ブＳに係合する凹部７ａをもつた送りローラ７を
介してガイドレール６に沿つて整列状態で一定ピ
ツチ毎にタクト移送され、圧着機の圧着ダイス８
に順次供給される。こような供給状態において複
数本の電線９の剥き出し導線部分９ａを大径筒部
１Ａの開口端１ａ側から圧着スリーブ２内に挿入
し、このような電線挿入に伴なうスリーブＳ全体
の僅少な変位をマイクロスイツチ１１で検出して
その検出信号に基づいて圧着ダイス８を圧着作動
させることにより、大径筒部１Ｂ及び圧着スリー
ブ２を圧着歯型８Ａを介して塑性変形させて各電
線９を電気的及び機械的に接続するとともに、切
断歯型８Ｂを介して帯条部材５を大径筒部１Ａの
ほぼ外周面に沿つた位置で切断除去して第８図で
示すような圧着製品を得るのである。 The chain-type insulation-coated crimping sleeve configured as described above has a concave portion 7a that engages with each insulation-coated crimping sleeve S when wound onto a reel as shown in FIGS. 6 and 7. They are tact-transferred along the guide rail 6 via the sticky feed roller 7 at regular pitch intervals, and are transferred to the crimping die 8 of the crimping machine.
are supplied sequentially. In such a supply state, the bare conductor portions 9a of the plurality of electric wires 9 are inserted into the crimp sleeve 2 from the open end 1a side of the large diameter cylindrical portion 1A, and the entire sleeve S is slightly reduced due to such wire insertion. By detecting the displacement with the micro switch 11 and crimping the crimping die 8 based on the detection signal, the large diameter cylindrical portion 1B and the crimping sleeve 2 are plastically deformed via the crimping teeth 8A, and each electric wire 9 is are connected electrically and mechanically, and the strip member 5 is cut and removed at a position substantially along the outer circumferential surface of the large-diameter cylindrical portion 1A via the cutting tooth die 8B to produce a crimped product as shown in FIG. This is what we get.
次に別の実施例を列記する。 Next, another example will be listed.
［］ 前記圧着スリーブ２として、絞り成形品
でなく、銅パイプを切断加工したものを用いる
も良い。[] As the crimp sleeve 2, a cut copper pipe may be used instead of a drawn product.
［］ 連鎖型でなく、単体品を対象としても良
い。[] It is also possible to target a single item instead of a chain type.
［］ 前記マイクロスイツチ１１に代えて光セ
ンサーを用いるも良い。[] An optical sensor may be used instead of the micro switch 11.
第１図乃至第５図は本考案の一実施例を示すも
ので、第１図は縦断面図、第２図は第１図−
線断面図、第３図は連鎖状態を示す外観斜視図、
第４図は圧着スリーブの成形工程を示す概略説明
図、第５図は圧着スリーブの拡大縦断面図、第６
図及び第７図は圧着作業状態を示す要部の概略側
面図及び概略正面図、第８図は圧着製品の縦断面
図、第９図は従来品の縦断面図である。
１……絶縁体、１Ａ……大径筒部、１Ｂ……小
径筒部、１ａ……電線挿入用開口端、１ｂ……底
壁部、２……圧着スリーブ、３……接当段部、４
……係合周溝、５……帯条部材。
1 to 5 show an embodiment of the present invention, in which FIG. 1 is a longitudinal sectional view, and FIG.
A line sectional view, FIG. 3 is an external perspective view showing a chained state,
Fig. 4 is a schematic explanatory diagram showing the process of forming the crimp sleeve, Fig. 5 is an enlarged vertical sectional view of the crimp sleeve, and Fig. 6
7 are a schematic side view and a schematic front view of the main parts showing the crimping operation state, FIG. 8 is a longitudinal sectional view of the crimped product, and FIG. 9 is a longitudinal sectional view of the conventional product. 1...Insulator, 1A...Large diameter cylindrical part, 1B...Small diameter cylindrical part, 1a...Open end for electric wire insertion, 1b...Bottom wall part, 2...Crimp sleeve, 3...Abutment step part , 4
... Engagement circumferential groove, 5... Band member.
Claims (1)
と有底小径筒部１Ｂとが一連一体に成形された
絶縁体１の前記小径筒部１Ｂ内に圧着スリーブ
２を挿嵌保持されてある絶縁被覆付圧着スリー
ブにおいて、前記絶縁体１の小径筒部１Ｂ底壁
部１ｂの少なくとも中央部分を筒内方に向かつ
て突曲させ、該内方突曲部内に成形突起１０が
位置し、かつ、その先端部が底壁部１ｂの最外
面より内方に位置するように形成してあること
を特徴とする絶縁被覆付圧着スリーブ。 前記絶縁体１はその大径筒部１Ａにおいて帯
条部材５を介して、各々の筒軸芯が互いに平行
又はほぼ平行に姿勢位置する状態で一定間隔置
きに配置した複数個を連鎖したものである実用
新案登録請求の範囲第項に記載の絶縁被覆付
圧着スリーブ。[Claims for Utility Model Registration] Large diameter cylindrical portion 1A having an open end 1a for inserting electric wires
In the crimp sleeve with an insulation coating, the crimp sleeve 2 is inserted and held in the small diameter cylindrical portion 1B of the insulator 1, in which the small diameter cylindrical portion 1B with a bottom and the small diameter cylindrical portion 1B of the insulator 1 are integrally molded. At least the center portion of the bottom wall portion 1b of the portion 1B is curved inward toward the inside of the cylinder, and the molded protrusion 10 is located within the inwardly curved portion, and its tip is located inward from the outermost surface of the bottom wall portion 1b. A crimping sleeve with an insulation coating, characterized in that it is formed so as to be positioned on the opposite side. The insulator 1 is made up of a plurality of insulators arranged at regular intervals in a large-diameter cylindrical portion 1A of the insulator 1, which are chained together via a strip member 5, with their respective cylindrical axes oriented parallel or nearly parallel to each other. A crimp sleeve with an insulation coating as set forth in claim 1 of a certain utility model registration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13475084U JPH0218930Y2 (en) | 1984-09-05 | 1984-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13475084U JPH0218930Y2 (en) | 1984-09-05 | 1984-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6160468U JPS6160468U (en) | 1986-04-23 |
| JPH0218930Y2 true JPH0218930Y2 (en) | 1990-05-25 |
Family
ID=30693255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13475084U Expired JPH0218930Y2 (en) | 1984-09-05 | 1984-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0218930Y2 (en) |
-
1984
- 1984-09-05 JP JP13475084U patent/JPH0218930Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6160468U (en) | 1986-04-23 |
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