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JP2011171057A - Crimping apparatus for shielded wire, and method for end-processing shielded wire - Google Patents

Crimping apparatus for shielded wire, and method for end-processing shielded wire Download PDF

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Publication number
JP2011171057A
JP2011171057A JP2010032531A JP2010032531A JP2011171057A JP 2011171057 A JP2011171057 A JP 2011171057A JP 2010032531 A JP2010032531 A JP 2010032531A JP 2010032531 A JP2010032531 A JP 2010032531A JP 2011171057 A JP2011171057 A JP 2011171057A
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Prior art keywords
shield
terminal
shield pipe
wire
pipe
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Inventor
Masahiro Ideno
正博 出野
Yuhei Takeshita
祐平 竹下
Yasukazu Chikamatsu
靖和 近松
Takuma Kinoshita
拓真 木下
Shigeharu Suzuki
茂晴 鈴木
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Yazaki Corp
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Yazaki Corp
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Priority to JP2010032531A priority Critical patent/JP2011171057A/en
Priority to PCT/JP2011/053889 priority patent/WO2011102536A1/en
Publication of JP2011171057A publication Critical patent/JP2011171057A/en
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/058—Crimping mandrels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Abstract

【課題】編組線にシールドターミナルをシールドパイプを用いて加締めて接続する際に、シールドターミナルにバリが発生することを抑制するとともに、シールド電線の絶縁体が過剰に潰されることを防止する。
【解決手段】シールド電線Ｓの絶縁外皮１４の端部に環状のシールドターミナル１５が配置され、絶縁外皮１４の端部から露出している編組線１３がシールドターミナル１５の先端部を覆うように折り返され、更にその上から環状のシールドパイプ１６を被せて加締められたシールド電線の端末処理構造であって、シールドパイプ１６は、該シールドパイプ１６の外周面の円周方向に等分した３点以上で加締められている。
【選択図】図１When a shield terminal is crimped and connected to a braided wire using a shield pipe, the occurrence of burrs on the shield terminal is suppressed, and the insulator of the shielded wire is prevented from being excessively crushed.
An annular shield terminal 15 is arranged at an end of an insulating sheath 14 of a shielded electric wire S, and a braided wire 13 exposed from the end of the insulating sheath 14 is folded back so as to cover the tip of the shield terminal 15. Further, the shielded wire terminal processing structure is covered with an annular shield pipe 16 from above, and the shield pipe 16 has three points equally divided in the circumferential direction of the outer peripheral surface of the shield pipe 16. The above is crimped.
[Selection] Figure 1

Description

本発明は、シールド電線の末端部において加締めにより編組線にシールドターミナルを接続したシールド電線の加締め装置およびシールド電線の端末処理方法に関するものである。   The present invention relates to a shielded wire crimping apparatus and a shielded wire terminal treatment method in which a shield terminal is connected to a braided wire by crimping at the end of the shielded wire.

電線の末端部と端子とを加締めによって接続する電線端子接続構造として、図７に示すものが知られている（例えば、特許文献１参照）。図７において、端子１は、端子板２と円筒状のスリーブ３とを一体に形成したものからなり、電線４の導体５をスリーブ３の内部に挿入した状態でスリーブ３の外周が、例えば六角形に加締められることにより、電線４の導体５と結合されるようになっている。図８は、スリーブ３と導体５との加締め工程を示す図である。端子１のスリーブ３を同図（ａ）に示すような加締め装置の上型６、下型７を用いて、同図（ｂ）に示すように上下から挟み込んで圧縮することにより、スリーブ３の断面形状は、同図（ｃ）のように、上型６、下型７によって規定される六角形状に加締められる。   What is shown in FIG. 7 is known as an electric wire terminal connection structure which connects the terminal part and terminal of an electric wire by crimping (for example, refer patent document 1). In FIG. 7, the terminal 1 is formed by integrally forming a terminal plate 2 and a cylindrical sleeve 3, and the outer periphery of the sleeve 3 is, for example, six in a state where the conductor 5 of the electric wire 4 is inserted into the sleeve 3. By being crimped into a square shape, it is combined with the conductor 5 of the electric wire 4. FIG. 8 is a diagram illustrating a caulking process between the sleeve 3 and the conductor 5. The sleeve 3 of the terminal 1 is sandwiched and compressed from above and below as shown in FIG. 5B by using the upper mold 6 and the lower mold 7 of the caulking device as shown in FIG. The cross-sectional shape is crimped to a hexagonal shape defined by the upper die 6 and the lower die 7 as shown in FIG.

特開２００１‐３２６０５３号公報JP 2001-326053 A

ところで、導体５とスリーブ３との前記加締めを確実にするために、上型６および下型７に突起を設けて、加締め部に加わる外力を集中させる方法がある。図９乃至図１２は、かかる突起を用いた加締め方法を、シールド電線の末端部において編組線とシールドターミナルとを加締めて接続する端末処理構造に応用した例を示す。   Incidentally, in order to ensure the caulking of the conductor 5 and the sleeve 3, there is a method in which protrusions are provided on the upper die 6 and the lower die 7 to concentrate external force applied to the caulking portion. 9 to 12 show an example in which the caulking method using such protrusions is applied to a terminal processing structure in which a braided wire and a shield terminal are caulked and connected at an end portion of a shielded electric wire.

図９および図１０は、加締め対象となる編組線とシールドターミナルとを加締めて接続する前の端末処理構造Ｇ４を示す。この端末処理構造Ｇ４において、シールド電線Ｓは、導体１１と、この導体１１を被覆する絶縁体１２と、この絶縁体１２の周囲に配置された編組線１３と、この編組線１３を被覆する絶縁外皮１４とからなる。前記絶縁外皮１４の端部には環状のシールドターミナル１５が配置され、絶縁外皮１４の端部から露出している編組線１３が前記シールドターミナル１５の先端部を覆うように、図１０に示すように折り返されている。更に、折り返された編組線１３の上から環状のシールドパイプ１６が被せられ、更に加締め装置の上型１７および下型１８間に介装されて、後述のように加締められる。   9 and 10 show the terminal processing structure G4 before the braided wire to be crimped and the shield terminal are connected by crimping. In this terminal processing structure G4, the shield wire S includes a conductor 11, an insulator 12 covering the conductor 11, a braided wire 13 disposed around the insulator 12, and an insulation covering the braided wire 13. It consists of an outer skin 14. As shown in FIG. 10, an annular shield terminal 15 is disposed at the end of the insulating sheath 14, and the braided wire 13 exposed from the end of the insulating sheath 14 covers the tip of the shield terminal 15. It is folded back. Further, an annular shield pipe 16 is placed on the folded braided wire 13, and is further interposed between the upper die 17 and the lower die 18 of the crimping device, and crimped as described later.

加締め装置の上型１７は、シールドパイプ１６の上半部を加締める上型凹部１７ａを有し、同じく加締め装置の下型１８はシールドパイプ１６の下半部を加締める下型凹部１８ａを有する。これらの上型凹部１７ａおよび下型凹部１８ａは、上型１７および下型１８が付き合わされて圧接（型締め）されたとき、略正六角形（正六辺形）を形成する三面ずつの対峙面１７ｂ、１８ｂを持つ。そして、これらの対峙面１７ｂ、１８ｂのうち中央部にある対峙面には、突起１９が連設されている。これらの突起１９は、各対峙面１７ｂ、１８ｂから対峙方向に突出して半球状をなす。   The upper die 17 of the caulking device has an upper die recess 17a for caulking the upper half of the shield pipe 16, and the lower die 18 of the caulking device is similarly a lower die recess 18a for caulking the lower half of the shield pipe 16. Have The upper mold concave portion 17a and the lower mold concave portion 18a are opposed to each other by three faces 17b that form a substantially regular hexagon (regular hexagon) when the upper mold 17 and the lower mold 18 are brought into pressure contact (clamping). , 18b. And the protrusion 19 is provided in a row by the opposing surface in the center part among these opposing surfaces 17b and 18b. These protrusions 19 project from the opposing surfaces 17b and 18b in the opposing direction to form a hemispherical shape.

そこで、かかる構成の上型１７の上型凹部１７ａおよび下型１８の下型凹部１８ａ間に、シールドパイプ１６位置で端末処理構造Ｇ４を図１１に示すように介在し、下型１８に対し上型１７を圧接させる方向に下降させて型締めを開始する。この型閉めの過程では、まず、各突起１９がシールドパイプ１６外周の上下部２点に接触し、更にこれらの２点を集中的に圧迫（圧縮）していく。このためシールドパイプ１６はこれらの２点を中心に略半球状に凹んでいき、その凹みに応じてシールドターミナル１５および絶縁外皮１４も凹んでいく。これにより各突起１９で圧迫されて変形した部位でシ−ルドパイプ１６はシールドターミナル１５および絶縁外皮１４、更には編組線１３や絶縁体１２を介して導体１１に密着するように加締められる。この結果、シールドターミナル１５はシールド電線Ｓの編組線１３に加締められて、接続される。   Therefore, the terminal processing structure G4 is interposed between the upper mold recess 17a of the upper mold 17 and the lower mold recess 18a of the lower mold 18 at the shield pipe 16 position as shown in FIG. Clamping is started by lowering the mold 17 in the direction in which it is pressed. In the process of closing the mold, first, each projection 19 comes into contact with the upper and lower two points on the outer periphery of the shield pipe 16 and further presses (compresses) these two points intensively. For this reason, the shield pipe 16 is recessed substantially hemispherically around these two points, and the shield terminal 15 and the insulating outer skin 14 are also recessed according to the recess. As a result, the shield pipe 16 is crimped so as to be in close contact with the conductor 11 via the shield terminal 15 and the insulating sheath 14 as well as the braided wire 13 and the insulator 12 at the portion deformed by being pressed by each protrusion 19. As a result, the shield terminal 15 is crimped and connected to the braided wire 13 of the shielded electric wire S.

上述した電線の端末処理構造Ｇ４は、解決すべき以下の問題を有している。
即ち、シールド電線Ｓに対するシールドターミナル１５の加締め工程においては、図１１に示すように、各突起１９によりシールドパイプ１６の外周面の２点に対し圧迫を開始し、その圧迫力を強めると、これらの２点間でシールドパイプ１６が上型凹部１７ａおよび下型凹部１８ａ側へ逃げるように変形していくとともに、上型１７および下型１８の合わせ面間に位置するシールドパイプ１６側部の一部が、前記加圧力を逃がすように変形しながら入り込む。従って、加締めを行った後、上型１７および下型１８を型開きした際に前述のように入り込んだ延出部分Ｄは、図１１に示すように略台形のバリとなって突出する。このようなバリは、型開き後もシールドパイプ１６外周面の側部に図１２に示すように突出するように残り、シールドターミナル１５を持つシールド電線Ｓのシールドコネクタ（図示しない）への組付けを困難にするほか、このバリが端末処理構造Ｇ４を破損する原因と成り得る。 The above-described wire terminal processing structure G4 has the following problems to be solved.
That is, in the caulking process of the shield terminal 15 with respect to the shielded electric wire S, as shown in FIG. 11, the respective protrusions 19 start pressing against two points on the outer peripheral surface of the shield pipe 16, and the pressing force is increased. Between these two points, the shield pipe 16 is deformed so as to escape toward the upper mold concave portion 17a and the lower mold concave portion 18a, and the shield pipe 16 side portion located between the mating surfaces of the upper mold 17 and the lower mold 18 is also deformed. A part enters while deforming so as to release the applied pressure. Therefore, after caulking, the extended portion D that has entered as described above when the upper mold 17 and the lower mold 18 are opened projects as a substantially trapezoidal burr as shown in FIG. Even after the mold is opened, such burrs remain on the side of the outer peripheral surface of the shield pipe 16 so as to protrude as shown in FIG. 12, and the shield wire S having the shield terminal 15 is assembled to a shield connector (not shown). In addition to making it difficult, this burr can cause damage to the terminal processing structure G4.

また、上型１７および下型１８の型閉め時に、シールドパイプ１６の外周面のうちの対峙する２辺を加締めることによって、絶縁体１２がその２辺によって過剰に潰され、絶縁体１２による絶縁性能が低下する虞がある。   Further, when the upper die 17 and the lower die 18 are closed, the two opposing sides of the outer peripheral surface of the shield pipe 16 are caulked, so that the insulator 12 is excessively crushed by the two sides, and the insulator 12 Insulation performance may be reduced.

本発明は、上述した事情に鑑みてなされたものであり、その目的は、編組線にシールドターミナルをシールドパイプを用いて加締めて接続する際に、シールドターミナルにバリが発生することを抑制するとともに、シールド電線の絶縁体が過剰に潰されることを防止することができるシールド電線の加締め装置およびシールド電線の端末処理方法を提供することにある。   The present invention has been made in view of the above-described circumstances, and an object thereof is to suppress the occurrence of burrs in the shield terminal when the shield terminal is caulked and connected to the braided wire using a shield pipe. In addition, it is an object of the present invention to provide a shielded wire crimping device and a shielded wire end treatment method capable of preventing the insulator of the shielded wire from being excessively crushed.

前述した目的を達成するために、本発明に係るシールド電線の加締め装置は、下記（１）を特徴としている。
（１） 導体と、この導体を被覆する絶縁体と、この絶縁体の周囲に配置された編組線と、この編組線を被覆する絶縁外皮とからなるシールド電線の前記絶縁外皮の端部に環状のシールドターミナルが配置され、前記絶縁外皮の端部から露出している編組線が前記シールドターミナルの先端部を覆うように折り返され、更にその上に環状のシールドパイプを被せた状態で、該シールドパイプを加締めるシールド電線の加締め装置であって、
前記シールドパイプの外周面の円周方向を等分した３点以上に接触する突起が突設された上型および下型と、
前記上型および下型の合わせ面に設けられ、加締め中のシールドパイプの一部が前記各合わせ面間に入り込むのを規制するパイプ侵入規制部材と、
を備えること。
また、前述した目的を達成するために、本発明に係るシールド電線の端末処理方法は、下記（２）を特徴としている。
（２） 導体と、この導体を被覆する絶縁体と、この絶縁体の周囲に配置された編組線と、この編組線を被覆する絶縁外皮とからなるシールド電線の、前記絶縁外皮の端部に環状のシールドターミナルを配置し、前記絶縁外皮の端部から露出している編組線を前記シールドターミナルの先端部を覆うように折り返し、更にその上から環状のシールドパイプを被せ、上型および下型間に該シールドパイプを介在して加締めるシールド電線の端末処理方法であって、
前記シールドパイプを、加締め装置の上型および下型に突設された突起によって該シールドパイプの外周面の円周方向に等分した３点以上で加締めるとともに、前記上型および下型の合わせ面に設けられたパイプ侵入規制部材によって、加締め中のシールドパイプの一部が前記各合わせ面間に入り込むのを規制する、
こと。 In order to achieve the above-described object, a shielded wire crimping device according to the present invention is characterized by the following (1).
(1) A ring is formed at the end of the insulating sheath of the shielded wire, which includes a conductor, an insulator covering the conductor, a braided wire disposed around the insulator, and an insulating sheath covering the braided wire. The shield terminal is disposed, the braided wire exposed from the end portion of the insulating sheath is folded back so as to cover the front end portion of the shield terminal, and the shield wire is further covered with an annular shield pipe. A shield wire crimping device for crimping a pipe,
An upper die and a lower die provided with protrusions that contact at least three points obtained by equally dividing the circumferential direction of the outer peripheral surface of the shield pipe;
A pipe intrusion restricting member that is provided on the mating surfaces of the upper die and the lower die and restricts a part of the shield pipe being caulked from entering between the mating surfaces;
Be provided.
In order to achieve the above-described object, the terminal processing method for shielded wires according to the present invention is characterized by the following (2).
(2) At the end of the insulating sheath of a shielded wire comprising a conductor, an insulator covering the conductor, a braided wire disposed around the insulator, and an insulating sheath covering the braided wire An annular shield terminal is arranged, the braided wire exposed from the end portion of the insulating sheath is folded back so as to cover the tip portion of the shield terminal, and further, an annular shield pipe is covered from above, and an upper mold and a lower mold It is a terminal processing method of a shielded electric wire that is caulked with the shield pipe interposed therebetween,
The shield pipe is crimped at three or more points equally divided in the circumferential direction of the outer peripheral surface of the shield pipe by protrusions provided on the upper mold and the lower mold of the crimping device, and the upper mold and the lower mold The pipe intrusion restricting member provided on the mating surface regulates that a part of the shield pipe being caulked enters between the mating surfaces,
thing.

また、上記（１）のシールド電線の加締め装置および上記（２）のシールド電線の端末処理方法によれば、加締めを行った後上型および下型を型開きした際、上型および下型の合わせ面間に位置するシールドパイプ側部にバリが発生しない。この結果、上型および下型による成形によってシールドパイプが所望の形状に精度良く成形される。   Further, according to the shielded wire crimping device of (1) and the shielded wire end treatment method of (2), when the upper die and the lower die are opened after crimping, the upper die and the lower die are opened. No burr occurs on the side of the shield pipe located between the mating surfaces of the mold. As a result, the shield pipe is accurately molded into a desired shape by molding with the upper mold and the lower mold.

本発明のシールド電線の加締め装置および本発明のシールド電線の端末処理方法によれば、加締めを行った後上型および下型を型開きした際、上型および下型の合わせ面間に位置するシールドパイプ側部にバリが発生しない。この結果、上型および下型による成形によってシールドパイプが所望の形状に精度良く成形される。   According to the shielded wire crimping device of the present invention and the shielded wire end treatment method of the present invention, when the upper die and the lower die are opened after crimping, the upper die and the lower die are placed between the mating surfaces. There is no burr on the side of the shield pipe that is located. As a result, the shield pipe is accurately molded into a desired shape by molding with the upper mold and the lower mold.

以上、本発明について簡潔に説明した。更に、以下に説明される発明を実施するための形態を添付の図面を参照して通読することにより、本発明の詳細は更に明確化されるであろう。   The present invention has been briefly described above. Further, details of the present invention will be further clarified by reading through the modes for carrying out the invention described below with reference to the accompanying drawings.

本発明の実施の形態にかかるシールド電線の端末処理構造を示す斜視図である。It is a perspective view which shows the terminal processing structure of the shielded electric wire concerning embodiment of this invention. 図１に示す端末処理構造の要部の縦断面図である。It is a longitudinal cross-sectional view of the principal part of the terminal processing structure shown in FIG. 本発明の他の実施の形態にかかるシールド電線の端末処理構造を示す斜視図である。It is a perspective view which shows the terminal processing structure of the shield wire concerning other embodiment of this invention. 本発明の更に他の実施の形態にかかるシールド電線の端末処理構造を示す斜視図である。It is a perspective view which shows the terminal processing structure of the shielded electric wire concerning other embodiment of this invention. 本発明の実施の形態にかかるシールド電線の端末処理方法を実施する加締め装置の縦断面図である。It is a longitudinal cross-sectional view of the crimping apparatus which enforces the terminal processing method of the shielded electric wire concerning embodiment of this invention. 図１に示す端末処理構造の加締め工程を示す説明図である。It is explanatory drawing which shows the crimping process of the terminal processing structure shown in FIG. 従来の電線端子接続構造を示す斜視図である。It is a perspective view which shows the conventional electric wire terminal connection structure. 従来の電線端子接続方法を示す説明図である。It is explanatory drawing which shows the conventional electric wire terminal connection method. 編組線とシールドターミナルとを加締めて接続する前の端末処理構造を示す斜視図である。It is a perspective view which shows the terminal processing structure before crimping and connecting a braided wire and a shield terminal. 編組線とシールドターミナルとを加締めて接続する前の端末処理構造を示す横断面図である。It is a cross-sectional view which shows the terminal processing structure before crimping and connecting a braided wire and a shield terminal. 上型および下型を型開きした直後の端末処理構造を示す縦断面図である。It is a longitudinal cross-sectional view which shows the terminal processing structure immediately after opening an upper mold | type and a lower mold | type. 加締められたシールドパイプの平面図である。It is a top view of the crimped shield pipe.

以下、本発明の一実施の形態にかかるシールド電線の端末処理構造および端末処理方法を、図１乃至図６を参照して説明する。図１は、本発明の実施の形態にかかるシールド電線の端末処理構造を示す斜視図である。図２は、図１に示す端末処理構造の要部の縦断面図である。図３は、本発明の他の実施の形態にかかるシールド電線の端末処理構造を示す斜視図である。図４は、本発明の更に他の実施の形態にかかるシールド電線の端末処理構造を示す斜視図である。   A shielded wire terminal processing structure and a terminal processing method according to an embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view showing a terminal processing structure of a shielded wire according to an embodiment of the present invention. FIG. 2 is a vertical cross-sectional view of the main part of the terminal processing structure shown in FIG. FIG. 3 is a perspective view showing a terminal processing structure of a shielded electric wire according to another embodiment of the present invention. FIG. 4 is a perspective view showing a terminal processing structure of a shielded wire according to still another embodiment of the present invention.

図１に示すシールド電線の端末処理構造Ｇ１は、基本構造は図９および図１０について述べたものと略同じである。シールド電線Ｓは、導体１１と、この導体１１を被覆する絶縁体１２と、この絶縁体１２の周囲に配置された編組線１３と、この編組線１３を被覆する絶縁外皮１４とからなる。絶縁外皮１４の端部には環状のシールドターミナル１５が配置され、絶縁外皮１４の端部から露出している編組線１３がシールドターミナル１５の先端部を覆うように、折り返されている。更に、折り返された編組線１３の上から環状のシールドパイプ１６が被せられ、更に上型１７および下型１８間に介装されて、例えば３角形以上の多角形、ここでは６角形に後述のように加締められる。   The terminal structure G1 of the shielded wire shown in FIG. 1 is substantially the same as that described with reference to FIGS. The shielded wire S includes a conductor 11, an insulator 12 that covers the conductor 11, a braided wire 13 that is disposed around the insulator 12, and an insulating sheath 14 that covers the braided wire 13. An annular shield terminal 15 is arranged at the end of the insulating sheath 14, and the braided wire 13 exposed from the end of the insulating sheath 14 is folded back so as to cover the tip of the shield terminal 15. Further, an annular shield pipe 16 is put on the folded braided wire 13, and further interposed between the upper die 17 and the lower die 18, for example, a polygon more than a triangle, in this case a hexagon as described later. So that it is crimped.

この端末処理構造Ｇ１は、加締め装置の上型および下型間に介在するシールドパイプ１６が上型および下型にそれぞれ３個ずつ形成された突起によって加締められ、略正６角筒状につぶれたシールドパイプ１６外周の６面にそれぞれ１個の凹みＦが形成された形態をなす。この端末処理構造Ｇ１の形成過程については、後述する。   In this terminal processing structure G1, the shield pipe 16 interposed between the upper mold and the lower mold of the crimping device is crimped by three protrusions formed on each of the upper mold and the lower mold, so that a substantially regular hexagonal cylindrical shape is formed. One dent F is formed on each of the six outer surfaces of the collapsed shield pipe 16. The process of forming the terminal processing structure G1 will be described later.

図２は、上型および下型により加締められた端末処理構造Ｇ１をシールドパイプ１６部分で切断した断面図を示す。ここでは、シールドパイプ１６は、加締め装置の上型および下型間に介在されて加締められるとき、上型凹部および下型凹部の内面に突設された突起によってシールドパイプ１６の外周面（略６面）に凹みＦが発生する。このシールドパイプ１６の凹みＦの形成によって、前記シールドパイプ１６の内側の編組線１３、シールドターミナル１５および絶縁外皮１４が導体１１に向かって押圧され、断面形状全体が図２に示すような星型の端末処理構造Ｇ１となる。この場合に、最外層のシールドパイプ１６は大きく撓んで、シールドターミナル１５との間に僅かな空隙Ｈを生じている。   FIG. 2 shows a cross-sectional view of the terminal processing structure G1 crimped by the upper mold and the lower mold at the shield pipe 16 portion. Here, when the shield pipe 16 is interposed between the upper mold and the lower mold of the caulking device and is caulked, the outer circumferential surface of the shield pipe 16 (by the projection provided on the inner surface of the upper mold recess and the lower mold recess ( A dent F is generated on approximately six surfaces. By forming the recess F of the shield pipe 16, the braided wire 13, the shield terminal 15 and the insulation sheath 14 inside the shield pipe 16 are pressed toward the conductor 11, and the entire cross-sectional shape is a star shape as shown in FIG. Terminal processing structure G1. In this case, the outermost shield pipe 16 is greatly bent, and a slight gap H is formed between the shield pipe 16 and the shield terminal 15.

このように、上型および下型の上型凹部および下型凹部に設けられた６個の突起を介して加締めを行うことによって、シールドパイプ１６の外周面全体に押圧力をバランスよく作用させることができる。これにより、シールドパイプ１６外周の一部のみに押圧力が集中することによる局部変形を避けることができる。この結果、この局部的な変形によって絶縁体１２が潰れ肉薄化することによって、導体に対する絶縁体１２の絶縁性能が劣化することを回避することができる。また、編組線１３とシールドターミナル１５とは６個の突起によるバランスの良い多点（６点）接触となるため、これら相互間の電気的導通が良好に保たれる。更に、従来のような２点でのシールドパイプの加締めに比べて、６点での加締めでは、シールドパイプ１６、シールドターミナル１５、絶縁外皮１４および編組線１３相互間の結着力が高められ、シールド電線Ｓに対するシールドターミナル１５の接続強度を確実なものにすることができる。   In this way, the pressing force is applied to the entire outer peripheral surface of the shield pipe 16 in a balanced manner by performing caulking through the six protrusions provided in the upper mold recess and the lower mold recess in the upper mold and the lower mold. be able to. Thereby, the local deformation | transformation by pressing force concentrating only on a part of outer periphery of the shield pipe 16 can be avoided. As a result, it is possible to avoid deterioration of the insulating performance of the insulator 12 with respect to the conductor due to the insulator 12 being crushed and thinned by this local deformation. Further, since the braided wire 13 and the shield terminal 15 are in a well-balanced multipoint (six points) contact with six protrusions, the electrical continuity between them is kept good. Furthermore, compared with the conventional caulking of the shield pipe at 2 points, the caulking at 6 points increases the binding force between the shield pipe 16, the shield terminal 15, the insulating sheath 14 and the braided wire 13. The connection strength of the shield terminal 15 to the shielded electric wire S can be ensured.

上述した実施の形態では、上型および下型の上型凹部および下型凹部に設けられた６個の突起を介して加締めを行うことによって、シールドパイプ１６の外周面全体に押圧力をバランスよく作用させることができる場合について説明した。しかし、本発明のシールド電線の端末処理構造は、６点によって加締められたものに限るものではない。上型凹部および下型凹部に３個以上の突起を等間隔に配置することによって、シールドパイプ１６外周面を３箇所以上で支え、押圧力をバランスよく分散させながら加締められたものも含まれる。   In the embodiment described above, the pressing force is balanced over the entire outer peripheral surface of the shield pipe 16 by performing caulking through the six protrusions provided in the upper mold recess and the lower mold recess of the upper mold and the lower mold. The case where it can work well has been described. However, the terminal processing structure of the shielded electric wire of the present invention is not limited to the one crimped by six points. Also included are three or more protrusions arranged at equal intervals in the upper mold recess and the lower mold recess so that the outer peripheral surface of the shield pipe 16 is supported at three or more locations and crimped while the pressing force is distributed in a balanced manner. .

図３は、前記上型凹部２１ａおよび下型凹部２２ａに設けられた３個の突起を介して加締めた他のシールド電線の端末処理構造Ｇ２を示し、図４は、上型凹部２１ａおよび下型凹部２２ａに設けられた４個の突起を介して加締めた更に他のシールド電線の端末処理構造Ｇ３を示す。このように、上型および下型の上型凹部および下型凹部に設けられた３個または４個の突起を介して加締めを行うことによって、シールドパイプ１６の外周面全体に押圧力をバランスよく作用させることができる。これにより、シールドパイプ１６外周の一部のみに押圧力が集中することによる局部変形を避けることができる。この結果、この局部的な変形によって絶縁体１２が潰れ肉薄化することによって、導体に対する絶縁体１２の絶縁性能が劣化することを回避することができる。また、編組線１３とシールドターミナル１５とは３個または４個の突起によるバランスの良い多点接触となるため、これら相互間の電気的導通が良好に保たれる。更に、従来のような２点でのシールドパイプの加締めに比べて、３点または４点での加締めでは、シールドパイプ１６、シールドターミナル１５、絶縁外皮１４および編組線１３相互間の結着力が高められ、シールド電線Ｓに対するシールドターミナル１５の接続強度を確実なものにすることができる。   FIG. 3 shows a terminal treatment structure G2 of another shielded wire crimped through three protrusions provided in the upper mold recess 21a and the lower mold recess 22a. FIG. 4 shows the upper mold recess 21a and the lower mold recess 21a. The terminal processing structure G3 of the further another shielded electric wire crimped via four protrusions provided in the mold recess 22a is shown. Thus, the pressing force is balanced over the entire outer peripheral surface of the shield pipe 16 by caulking through the three or four protrusions provided in the upper mold recess and the lower mold recess of the upper mold and the lower mold. Can work well. Thereby, the local deformation | transformation by pressing force concentrating only on a part of outer periphery of the shield pipe 16 can be avoided. As a result, it is possible to avoid deterioration of the insulating performance of the insulator 12 with respect to the conductor due to the insulator 12 being crushed and thinned by this local deformation. Further, since the braided wire 13 and the shield terminal 15 are in a well-balanced multipoint contact with three or four protrusions, the electrical continuity between them is kept good. Further, compared with the conventional two-point caulking of the shield pipe, the caulking force between the shield pipe 16, the shield terminal 15, the insulating outer sheath 14, and the braided wire 13 is larger when the caulking at three or four points. And the connection strength of the shield terminal 15 to the shielded electric wire S can be ensured.

ところで、上述したように、上型凹部および下型凹部に設けられた６個の突起を介してシールドパイプ１６を加締め、シールドパイプ１６の外周面全体に押圧力をバランスよく作用させることによって、加締めを行った後上型および下型を型開きした際、上型および下型の合わせ面間に位置するシールドパイプ側部の一部に発生するバリの突出高さを低くすることができる。しかしながら、それでも若干の高さのバリがシールドパイプ側部の一部に発生することが考えられる。このように僅かでもバリが発生し、シールドパイプの一部が上型凹部および下型凹部によって囲まれる空間から外部に突出してしまうと、内部に位置するシールドパイプが上型凹部および下型凹部の隅々まで行き渡らずにシールドパイプと上型凹部および下型凹部との間に空隙が生じ、シールドパイプが所望の形状に精度良く成形されない。   By the way, as described above, by caulking the shield pipe 16 through the six protrusions provided in the upper mold recess and the lower mold recess, and by causing the pressing force to act on the entire outer peripheral surface of the shield pipe 16 in a balanced manner, When the upper die and the lower die are opened after caulking, the protruding height of the burr generated on a part of the side portion of the shield pipe located between the mating surfaces of the upper die and the lower die can be reduced. . However, it is conceivable that burrs having a slight height still occur in a part of the side portion of the shield pipe. Thus, even a slight burr occurs, and if a part of the shield pipe protrudes outside from the space surrounded by the upper mold recess and the lower mold recess, the shield pipe located inside the upper mold recess and the lower mold recess A gap is formed between the shield pipe and the upper mold recess and the lower mold recess without reaching every corner, and the shield pipe is not accurately formed into a desired shape.

そこで、本発明にかかるシールド電線の端末処理方法では、加締めを行った後上型および下型を型開きした際、上型および下型の合わせ面間に位置するシールドパイプ側部にバリが発生しない手法について説明する。図５は、本発明の実施の形態にかかるシールド電線の端末処理方法を実施する加締め装置の縦断面図である。図６は、図１に示す端末処理構造の加締め工程を示す説明図である。   Therefore, in the shielded wire terminal treatment method according to the present invention, when the upper mold and the lower mold are opened after caulking, burrs are formed on the side of the shield pipe located between the mating surfaces of the upper mold and the lower mold. A method that does not occur will be described. FIG. 5: is a longitudinal cross-sectional view of the crimping apparatus which enforces the terminal processing method of the shielded electric wire concerning embodiment of this invention. FIG. 6 is an explanatory view showing a caulking process of the terminal processing structure shown in FIG.

かかる構成のシールド電線の端末処理方法を、図５および図６に示す加締め装置２０を用いて実施する場合を説明する。まず、加締め装置２０の構成について述べる。加締め装置２０は上型２１および下型２２とからなり、上型２１はシールドパイプ１６の上半部を加締める所定サイズの上型凹部２１ａを有し、下型２２はシールドパイプ１６の下半部を加締める所定サイズの下型凹部２２ａを有する。これらの上型凹部２１ａおよび下型凹部２２ａは上型２１および下型２２が付き合わされて圧接されたとき、略正六角形（正六辺形）を形成する三面ずつの対峙面２１ｂ、２２ｂを持つ。そして、これらの各対峙面２１ｂ、２２ｂの中央部付近に、各一の突起２３が隆起している。これらの突起２３は各対峙面２１ｂ、２２ｂから対峙方向に突出して半球状をなす。尚、突起２３の形状は、半球状に限られるものではなく、その断面が対峙方向に膨らむ円弧状となるものでもよく、また、一つの頂点が対峙方向に突出した多角錘形状であってもよい。要は、対峙面２１ｂ、２２ｂの一部が対峙方向に隆起していればよい。   The case where the terminal processing method of the shielded electric wire having such a configuration is implemented using the crimping device 20 shown in FIGS. 5 and 6 will be described. First, the configuration of the caulking device 20 will be described. The caulking device 20 includes an upper die 21 and a lower die 22. The upper die 21 has an upper die recess 21 a of a predetermined size for caulking the upper half of the shield pipe 16, and the lower die 22 is below the shield pipe 16. It has a lower mold recess 22a of a predetermined size for caulking the half. The upper mold recess 21a and the lower mold recess 22a have facing surfaces 21b and 22b each having three faces that form a substantially regular hexagon (regular hexagon) when the upper mold 21 and the lower mold 22 are brought into pressure contact with each other. And each one protrusion 23 protrudes in the central part vicinity of each of these opposing surfaces 21b and 22b. These protrusions 23 protrude from the facing surfaces 21b and 22b in the facing direction to form a hemisphere. Note that the shape of the protrusion 23 is not limited to a hemispherical shape, and may have an arc shape whose cross section swells in the opposite direction, or may have a polygonal pyramid shape with one apex protruding in the opposite direction. Good. In short, it is only necessary that part of the facing surfaces 21b and 22b is raised in the facing direction.

また、上型２１と下型２２との合わせ面のうち、型締め時に上型凹部２１ａと下型凹部２２ａとが連続する６角穴部の頂点部分に臨む上型２１側の合わせ面に、パイプ侵入規制部材を構成する棒状または板状のパイプ規制突起２４が垂直方向に突設されている。一方、前記６角穴部の頂点部分を含む下型２２側の合わせ面には、前記パイプ規制突起２４が挿入可能な突起挿入穴２５が設けられている。これらのパイプ規制突起２４および突起挿入穴２５は互いに密接状態にて嵌め込み可能であるとともに、上型２１および下型２２が合わせ面で接触することを妨げない長さとされている。   In addition, among the mating surfaces of the upper mold 21 and the lower mold 22, on the mating surface on the upper mold 21 side facing the apex portion of the hexagonal hole portion where the upper mold concave portion 21a and the lower mold concave portion 22a are continuous during clamping, A bar-like or plate-like pipe restricting protrusion 24 constituting the pipe intrusion restricting member protrudes in the vertical direction. On the other hand, a projection insertion hole 25 into which the pipe regulating projection 24 can be inserted is provided on the mating surface on the lower mold 22 side including the apex portion of the hexagonal hole portion. The pipe restricting protrusion 24 and the protrusion insertion hole 25 can be fitted in close contact with each other and have a length that does not prevent the upper die 21 and the lower die 22 from contacting each other at the mating surfaces.

そこで、かかる構成の上型２１の上型凹部２１ａおよび下型２２の下型凹部２２ａ間に、加締め前の端末処理構造Ｇ４のシールドパイプ１６を配置し、下型２２に対し上型２１を圧接させる方向に下降させて、加締め装置２０による加締めを開始する。この加締め過程では、まず、各突起２３がシールドパイプ１６外周の略等間隔の６点に接触し、更にこれらの６点を集中的に圧迫していく。これによりシールドパイプ１６は、図６に示すように、これらの６点を中心に次第に略半球状に凹んでいき、その凹みに応じて編組線１３を凹んでいく。   Therefore, the shield pipe 16 of the terminal processing structure G4 before caulking is disposed between the upper mold recess 21a of the upper mold 21 and the lower mold recess 22a of the lower mold 22, and the upper mold 21 is attached to the lower mold 22. Lowering is performed in the direction of press contact, and caulking by the caulking device 20 is started. In this caulking process, first, each projection 23 contacts six points on the outer periphery of the shield pipe 16 at substantially equal intervals, and further presses these six points intensively. As a result, as shown in FIG. 6, the shield pipe 16 is gradually recessed into a substantially hemispherical shape around these six points, and the braided wire 13 is recessed according to the recess.

そして、更に各突起２３による押圧を強めていくと、隣り合う突起２３間に位置する部位のシールドパイプ１６の円弧部分が次第に上型凹部２１ａ内および下型凹部２２ａ内に膨出するように変形していき、遂には対峙面２１ｂ、２２ｂに膨出部の先端が接触することとなる。そして、上型２１および下型２２が合わせ面で密接する時点（型締め点）で加締め工程が終了する。これにより各突起２３で圧迫されて窪んだ部位でシ−ルドパイプ１６はシールドターミナル１５および絶縁外皮１４、更には編組線１３や絶縁体１２を介して導体１１に密着するように加締められる。この結果、シールドターミナル１５は編組線１３に対して電気的、機械的に結着され、かつ安定保持される。   Further, as the pressure by each protrusion 23 is further increased, the arc portion of the shield pipe 16 located between the adjacent protrusions 23 is deformed so as to gradually expand into the upper mold recess 21a and the lower mold recess 22a. Eventually, the tip of the bulging portion comes into contact with the facing surfaces 21b and 22b. And the crimping process is complete | finished when the upper mold | type 21 and the lower mold | type 22 contact | abut on a mating surface (clamping point). As a result, the shield pipe 16 is caulked so as to be in close contact with the conductor 11 via the shield terminal 15 and the insulating sheath 14 as well as the braided wire 13 and the insulator 12 at the portion depressed by being pressed by each protrusion 23. As a result, the shield terminal 15 is electrically and mechanically bonded to the braided wire 13 and is stably held.

次に、パイプ規制突起２４および突起挿入穴２５による作用について説明する。かかる上型２１および下型２２を用いて加締めを行い、前記端末処理構造Ｇ１を形成する過程で、突起挿入穴２５内にパイプ規制突起２４が挿入されると、上型凹部２１ａおよび下型凹部２２ａが作る６角穴部に臨む上型２１および下型２２の合わせ面間には隙間が生じ得ず、従って、上型凹部２１ａおよび下型凹部２２ａ内の突起２３の押圧を受けて変形するシールドパイプ１６にバリが発生し得る空間はない。   Next, the effect | action by the pipe control protrusion 24 and the protrusion insertion hole 25 is demonstrated. When the pipe restricting projection 24 is inserted into the projection insertion hole 25 in the process of crimping using the upper mold 21 and the lower mold 22 and forming the terminal processing structure G1, the upper mold recess 21a and the lower mold A gap cannot be formed between the mating surfaces of the upper mold 21 and the lower mold 22 facing the hexagonal hole formed by the recess 22a, and therefore, deformation is caused by the pressing of the projections 23 in the upper mold recess 21a and the lower mold recess 22a. There is no space in the shield pipe 16 that can generate burrs.

このため、本発明にかかるシールド電線の端末処理方法では、加締めを行った後上型および下型を型開きした際、上型および下型の合わせ面間に位置するシールドパイプ側部にバリが発生しない。この結果、上型および下型による成形によってシールドパイプが所望の形状に精度良く成形される。このようにシールドパイプ１６が成形されたものが、図２に示す、シールドパイプ１６の全周面の６箇所でその周方向に均等に加締められた端末処理構造Ｇ１である。   For this reason, in the method for terminal treatment of shielded wires according to the present invention, when the upper mold and the lower mold are opened after caulking, the shield pipe side portion located between the mating surfaces of the upper mold and the lower mold is variably formed. Does not occur. As a result, the shield pipe is accurately molded into a desired shape by molding with the upper mold and the lower mold. Thus, the terminal processing structure G1 in which the shield pipe 16 is formed is crimped uniformly in the circumferential direction at six locations on the entire peripheral surface of the shield pipe 16 as shown in FIG.

以上のように、本実施の形態のシールド電線の端末処理構造によれば、シールドパイプ１６外周の一部のみに押圧力が集中することによる局部変形を避けることができる。この結果、この局部的な変形によって絶縁体１２が潰れ肉薄化することによって、導体に対する絶縁体１２の絶縁性能が劣化することを回避することができる。また、編組線１３とシールドターミナル１５とは多点接触となるため、これら相互間の電気的導通が良好に保たれる。更に、従来のような２点でのシールドパイプの加締めに比べて、６点での加締めでは、シールドパイプ１６、シールドターミナル１５、絶縁外皮１４および編組線１３相互間の結着力が高められ、シールド電線Ｓに対するシールドターミナル１５の接続強度を確実なものにすることができる。   As described above, according to the shielded wire terminal processing structure of the present embodiment, it is possible to avoid local deformation due to the pressing force concentrating only on a part of the outer periphery of the shield pipe 16. As a result, it is possible to avoid deterioration of the insulating performance of the insulator 12 with respect to the conductor due to the insulator 12 being crushed and thinned by this local deformation. Further, since the braided wire 13 and the shield terminal 15 are in multipoint contact, the electrical continuity between them is kept good. Furthermore, compared with the conventional caulking of the shield pipe at 2 points, the caulking at 6 points increases the binding force between the shield pipe 16, the shield terminal 15, the insulating sheath 14 and the braided wire 13. The connection strength of the shield terminal 15 to the shielded electric wire S can be ensured.

また、本実施の形態のシールド電線の加締め装置および本実施の形態のシールド電線の端末処理方法によれば、加締めを行った後上型２１および下型２２を型開きした際、上型２１および下型２２の合わせ面間に位置するシールドパイプ１６側部にバリが発生しない。この結果、上型２１および下型２２による成形によってシールドパイプが所望の形状に精度良く成形される。   Further, according to the shielded wire crimping device of the present embodiment and the shielded wire end treatment method of the present embodiment, when the upper mold 21 and the lower mold 22 are opened after the crimping, the upper mold No burr is generated on the side of the shield pipe 16 located between the mating surfaces of the lower die 22 and the lower die 22. As a result, the shield pipe is accurately molded into a desired shape by molding with the upper mold 21 and the lower mold 22.

１１ 導体
１２ 絶縁体
１３ 編組線
１４ 絶縁外皮
１５ シールドターミナル
１６ シールドパイプ
２０ 加締め装置
２１ 上型
２２ 下型
２３ 突起
２４ パイプ規制突起（パイプ規制部材）
２５ 突起挿入穴 DESCRIPTION OF SYMBOLS 11 Conductor 12 Insulator 13 Braided wire 14 Insulation outer sheath 15 Shield terminal 16 Shield pipe 20 Caulking device 21 Upper mold 22 Lower mold 23 Projection 24 Pipe regulation projection (Pipe regulation member)
25 Protrusion insertion hole

Claims (2)

導体と、この導体を被覆する絶縁体と、この絶縁体の周囲に配置された編組線と、この編組線を被覆する絶縁外皮とからなるシールド電線の前記絶縁外皮の端部に環状のシールドターミナルが配置され、前記絶縁外皮の端部から露出している編組線が前記シールドターミナルの先端部を覆うように折り返され、更にその上に環状のシールドパイプを被せた状態で、該シールドパイプを加締めるシールド電線の加締め装置であって、
前記シールドパイプの外周面の円周方向を等分した３点以上に接触する突起が突設された上型および下型と、
前記上型および下型の合わせ面に設けられ、加締め中のシールドパイプの一部が前記各合わせ面間に入り込むのを規制するパイプ侵入規制部材と、
を備えることを特徴とするシールド電線の加締め装置。 An annular shield terminal at the end of the insulating sheath of a shielded electric wire comprising a conductor, an insulator covering the conductor, a braided wire disposed around the insulator, and an insulating sheath covering the braided wire The braided wire exposed from the end of the insulating sheath is folded back so as to cover the tip of the shield terminal, and the shield pipe is added with an annular shield pipe placed thereon. A crimping device for a shielded electric wire to be tightened,
An upper die and a lower die provided with protrusions that contact at least three points obtained by equally dividing the circumferential direction of the outer peripheral surface of the shield pipe;
A pipe intrusion restricting member that is provided on the mating surfaces of the upper die and the lower die and restricts a part of the shield pipe being caulked from entering between the mating surfaces;
A crimping device for a shielded wire, comprising: 導体と、この導体を被覆する絶縁体と、この絶縁体の周囲に配置された編組線と、この編組線を被覆する絶縁外皮とからなるシールド電線の、前記絶縁外皮の端部に環状のシールドターミナルを配置し、前記絶縁外皮の端部から露出している編組線を前記シールドターミナルの先端部を覆うように折り返し、更にその上から環状のシールドパイプを被せ、上型および下型間に該シールドパイプを介在して加締めるシールド電線の端末処理方法であって、
前記シールドパイプを、加締め装置の上型および下型に突設された突起によって該シールドパイプの外周面の円周方向に等分した３点以上で加締めるとともに、前記上型および下型の合わせ面に設けられたパイプ侵入規制部材によって、加締め中のシールドパイプの一部が前記各合わせ面間に入り込むのを規制する、
ことを特徴とするシールド電線の端末処理方法。 An annular shield at the end of the insulating sheath of a shielded electric wire comprising a conductor, an insulator covering the conductor, a braided wire disposed around the insulator, and an insulating sheath covering the braided wire A terminal is arranged, the braided wire exposed from the end of the insulating sheath is folded back so as to cover the tip of the shield terminal, and an annular shield pipe is covered from above, and the upper and lower molds are covered with It is a terminal processing method of a shielded wire that is crimped via a shield pipe,
The shield pipe is crimped at three or more points equally divided in the circumferential direction of the outer peripheral surface of the shield pipe by protrusions provided on the upper mold and the lower mold of the crimping device, and the upper mold and the lower mold The pipe intrusion restricting member provided on the mating surface regulates that a part of the shield pipe being caulked enters between the mating surfaces,
The terminal processing method of the shielded electric wire characterized by the above-mentioned.
JP2010032531A 2010-02-17 2010-02-17 Crimping apparatus for shielded wire, and method for end-processing shielded wire Abandoned JP2011171057A (en)

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