JP2011014349A - Terminal metal fitting, electric wire with the terminal metal fitting, and method for manufacturing the electric wire with the terminal metal fitting - Google Patents

Terminal metal fitting, electric wire with the terminal metal fitting, and method for manufacturing the electric wire with the terminal metal fitting Download PDF

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JP2011014349A
JP2011014349A JP2009156862A JP2009156862A JP2011014349A JP 2011014349 A JP2011014349 A JP 2011014349A JP 2009156862 A JP2009156862 A JP 2009156862A JP 2009156862 A JP2009156862 A JP 2009156862A JP 2011014349 A JP2011014349 A JP 2011014349A
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electric wire
wire
crimping
terminal
marker
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Takuji Otsuka
拓次 大塚
Hiroki Hirai
宏樹 平井
Junichi Ono
純一 小野
Hiroki Shimoda
洋樹 下田
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Priority to JP2009156862A priority Critical patent/JP2011014349A/en
Publication of JP2011014349A publication Critical patent/JP2011014349A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a terminal metal fitting that allows a user to determine whether a crimped state is excellent or not even if elongation occurs in wire barrel pieces and each end of a pair of the wire barrel pieces is disproportionately deformed, an electric wire with the terminal metal fitting, and a method for manufacturing the electric wire with the terminal metal fitting.SOLUTION: A terminal metal fitting 20 has a pair of wire barrel pieces 26, 26 for crimpingly holding a core wire 12 of an electric wire on both sides of a substrate 23. An electric wire 10 comprises the terminal metal fitting and an electric wire crimped by the wire barrel pieces 26, 26. A marker 24 is formed before crimping of the electric wire. A reference marker 25 is engraved by an engraving part 31 formed on a crimping die when the electric wire is crimped. The markers are provided on the face opposite to the face holding the electric wire on the substrate 23 of the terminal metal fitting 20. The position of the marker 24 is compared with the position of the reference marker 25 so as to determine whether a crimped state is excellent or not.

Description

本発明は、端子金具、端子金具付き電線及び端子金具付き電線の製造方法に関する。   The present invention relates to a terminal fitting, an electric wire with a terminal fitting, and a method for manufacturing an electric wire with a terminal fitting.

従来、被覆電線の端末にいわゆるオープンバレル形の端子金具が圧着されてなる端子金具付き電線が用いられている。
この端子金具は、基板部の左右から一対のワイヤバレル片が立ち上げられており、この端子金具がアンビル上に配されるとともに、被覆電線の端末が芯線を露出させた状態で基板部に載置される。
そして、アンビルの上方に配置されたクリンパを下降させると、一対のワイヤバレル片がその間に配された芯線を両側から抱き込むような形状で芯線を押し潰して圧着される。
2. Description of the Related Art Conventionally, an electric wire with a terminal fitting is used in which a so-called open barrel type terminal fitting is crimped to the end of a covered electric wire.
The terminal fitting has a pair of wire barrel pieces raised from the left and right sides of the board portion. The terminal fitting is placed on the anvil and the terminal of the covered wire is mounted on the board portion with the core wire exposed. Placed.
When the crimper disposed above the anvil is lowered, the core wire is crushed and crimped in such a shape that the pair of wire barrel pieces embrace the core wire disposed therebetween from both sides.

ところで、端子金具付き電線において、良好な電気接続を保証するためには、一対のワイヤバレル片が芯線内部に均等な深さで食い込む(巻き込む)ことにより良好な圧着状態となっている必要がある。そのため、端子金具付き電線の検査工程において圧着状態が良好であるか否かの判定が行われている。
特許文献1には、ワイヤバレル片の内面側に形成されるセレーションに対して、ワイヤバレル片の外面側におけるセレーションと対応する位置に圧着状態の識別用の溝や目盛りを形成したものが示されている。
By the way, in an electric wire with a terminal fitting, in order to ensure good electrical connection, it is necessary that a pair of wire barrel pieces bite into (wound into) the core wire at a uniform depth and be in a good crimped state. . Therefore, it is determined whether or not the crimping state is good in the inspection process of the electric wire with terminal fitting.
Patent Document 1 shows that a serration formed on the inner surface side of a wire barrel piece is formed with a groove or scale for identification in a crimped state at a position corresponding to the serration on the outer surface side of the wire barrel piece. ing.

特開2001−357901号公報JP 2001-357901 A

ところで、特許文献1の構成は、識別用の溝等が、電線の導体に対するセレーションの相対位置を確認することを目的として、セレーションと同様に端子軸方向と直交する方向(ワイヤバレル片の長手方向)に延びる形状に形成されたものである。そのため、端子軸方向におけるセレーションとベルマウスの位置関係についてはわかるけれども、ワイヤバレル片の長手方向(展開方向)における各ワイヤバレル片の食い込みの深さの違い(巻き込み深さのずれ)については判定しづらいという問題があった。
そして、クリンパによる端子圧着後の状態で、ワイヤバレルの圧着断面において一対のワイヤバレルの端部が偏って変形している場合には、外観からのみでは電線と端子との電気接続状態が良好であるかを判断することは困難であった。
また、一対のワイヤバレル片は、圧着の際に強い力で芯線を押し潰すが、このときワイヤバレル片自体も芯線とクリンパとの間に挟まれて強い力を受けており、ワイヤバレル片自体にも延びを生じている。特許文献1の構成では、一対のワイヤバレル片に溝や目盛りを設ける構成であるため、ワイヤバレル片の延びにより溝や目盛り等の位置にずれを生じさせ、圧着状態の正確な判定ができなくなるという問題があった。
By the way, the configuration of Patent Document 1 is such that an identification groove or the like is orthogonal to the terminal axis direction (longitudinal direction of the wire barrel piece) in the same manner as serration for the purpose of confirming the relative position of serration with respect to the conductor of the electric wire. ). Therefore, although the positional relationship between the serration and the bell mouth in the terminal axis direction can be understood, the difference in the biting depth of each wire barrel piece in the longitudinal direction (deployment direction) of the wire barrel piece (deviation of the winding depth) is determined. There was a problem that it was difficult.
And, in the state after crimping the terminal by crimper, when the ends of the pair of wire barrels are biased and deformed in the crimping section of the wire barrel, the electrical connection state between the electric wire and the terminal is good only from the appearance. It was difficult to determine if there was.
In addition, the pair of wire barrel pieces crush the core wire with a strong force during crimping. At this time, the wire barrel piece itself is also sandwiched between the core wire and the crimper and receives a strong force. There is also an extension. In the configuration of Patent Literature 1, since a pair of wire barrel pieces is provided with grooves and scales, the extension of the wire barrel pieces causes a shift in the positions of the grooves and scales, making it impossible to accurately determine the crimped state. There was a problem.

本発明は上記のような事情に基づいて完成されたものであって、ワイヤバレル片に延びが生じたり、一対のワイヤバレル片の端部が偏って変形したりしても圧着状態が良好であるか否かを判定することができる端子金具、端子金具付き電線及び端子金具付き電線の製造方法を提供することを目的とする。   The present invention has been completed based on the above circumstances, and the crimped state is good even if the wire barrel piece is extended or the ends of the pair of wire barrel pieces are biased and deformed. It aims at providing the manufacturing method of the terminal metal fitting which can determine whether there exists, an electric wire with a terminal metal fitting, and an electric wire with a terminal metal fitting.

基板部の両側から電線の芯線を圧着抱持する一対のワイヤバレル片を有する端子金具において、前記基板部のうち前記電線を抱持する面とは反対側の面に前記電線の圧着前に形成された標識部を備えるところに特徴を有する(手段1)。
手段1の構成によれば、標識部は、基板部のうち電線を抱持する面とは反対側の面に設けられているため、ワイヤバレル片に延びが生じても基板部における標識部の位置が影響を受けにくい。また、一対のワイヤバレル片について食い込みの深さに違い(巻き込み深さのずれ)が生じて圧着状態が良好でない場合には、標識部の位置がずれるため、この標識部の位置に基づいて、圧着状態が良好であるか否かを判定することができる。よって、ワイヤバレル片に延びが生じたり、一対のワイヤバレル片の端部が偏って変形したりしても圧着状態が良好であるか否かを判定することができる。
In the terminal fitting having a pair of wire barrel pieces for crimping and holding the core wire of the electric wire from both sides of the substrate portion, formed on the surface of the substrate portion opposite to the surface for holding the electric wire before the electric wire is crimped It is characterized in that it is provided with a marked part (means 1).
According to the structure of the means 1, since the marking portion is provided on the surface of the board portion opposite to the surface holding the electric wire, even if the wire barrel piece extends, The position is not easily affected. In addition, when the difference in biting depth (displacement of the engulfment depth) occurs with respect to the pair of wire barrel pieces and the crimping state is not good, the position of the marker portion is shifted, so based on the position of this marker portion, It can be determined whether the crimped state is good. Therefore, it is possible to determine whether or not the crimping state is good even if the wire barrel piece is extended or the ends of the pair of wire barrel pieces are biased and deformed.

手段1の構成に加えて、前記標識部は、前記基板部に凹状に刻印して形成されたものであるようにしてもよい(手段2)。
手段2の構成のようにすれば、容易に標識部を形成することができる。また、金属板材から端子金具を成形する工程の際に同時に標識部を形成することが可能になる。
In addition to the configuration of the means 1, the marker portion may be formed by engraving the substrate portion in a concave shape (means 2).
If it is made the structure of the means 2, a label | marker part can be formed easily. In addition, it is possible to form the marking portion simultaneously with the step of forming the terminal fitting from the metal plate material.

手段1又は手段2の構成に加えて、前記ワイヤバレル片は前記基板部上を通る仮想軸線に関して対称に形成されており、前記標識部は前記仮想軸線上に位置して設けられているようにしてもよい(手段3)。
手段3の構成によれば、簡易な構成で圧着状態が良好であるか否かを判別することが可能になる。
In addition to the configuration of the means 1 or 2, the wire barrel piece is formed symmetrically with respect to a virtual axis passing through the substrate portion, and the marker portion is provided on the virtual axis. (Means 3).
According to the configuration of the means 3, it is possible to determine whether or not the crimping state is good with a simple configuration.

本発明は、基板部の両側に電線の芯線を圧着抱持する一対のワイヤバレル片を有する端子金具と、前記ワイヤバレル片に圧着された前記電線とからなる端子金具付き電線であって、前記端子金具の前記基板部のうち前記電線を抱持する面とは反対側の面には、前記電線の圧着前に形成された標識部と、圧着金型に形成した刻印部によって前記電線の圧着時に刻印された基準標識部とを備えるところに特徴を有する(手段4)。
手段4の構成によれば、端子金具の基板部のうち電線を抱持する面とは反対側の面に形成される標識部と基準標識部との位置を比較するため、ワイヤバレル片に延びが生じても圧着状態が良好であるか否かを判定することができる。また、一対のワイヤバレル片について食い込みの深さに違い(巻き込み深さのずれ)が生じて圧着状態が良好でない場合には、標識部と基準標識部との位置がずれるため、これらの位置関係に基づいて、圧着状態が良好であるか否かを判定することができる。よって、ワイヤバレル片に延びが生じたり、一対のワイヤバレル片の端部が偏って変形したりしても圧着状態が良好であるか否かを判定することができる。また、標識部と基準標識部との位置を比較するため、標識部のみにより前記判定を行う場合と比較して、前記判定を、容易かつ確実に行うことができる。
The present invention is a terminal fitting electric wire comprising a terminal fitting having a pair of wire barrel pieces for crimping and holding the core wire of the electric wire on both sides of the substrate portion, and the electric wire crimped to the wire barrel piece, On the surface opposite to the surface that holds the electric wire in the board portion of the terminal fitting, the electric wire is crimped by a marker portion formed before the electric wire is crimped and a marking portion formed on the crimping die. It is characterized in that it is provided with a reference marking part that is sometimes stamped (means 4).
According to the structure of the means 4, in order to compare the position of the reference | standard mark part formed in the surface on the opposite side to the surface holding an electric wire among the board | substrate parts of a terminal metal fitting, it extends to a wire barrel piece. Even if this occurs, it can be determined whether the crimped state is good. In addition, when there is a difference in the biting depth of the pair of wire barrel pieces (deviation of the entanglement depth) and the crimped state is not good, the positions of the sign part and the reference sign part are misaligned. Based on the above, it can be determined whether or not the crimping state is good. Therefore, it is possible to determine whether or not the crimping state is good even if the wire barrel piece is extended or the ends of the pair of wire barrel pieces are biased and deformed. Further, since the positions of the marker part and the reference marker part are compared, the determination can be easily and reliably performed as compared with the case where the determination is performed only by the marker part.

手段4の構成に加えて、前記基板部の両側に電線の絶縁被覆の部分をかしめる一対のインシュレーションバレル片を有し、前記標識部は、前記基板部のうち、前記一対のワイヤバレル片と前記一対のインシュレーションバレル片との間に設けられるようにしてもよい(手段5)。
手段5の構成によれば、標識部を基板部のうち、バレル片を有さない部分に設けることで、圧着の際の端子金具の変形(延び)が標識部の部分に及ぼされにくくすることができる。
In addition to the configuration of the means 4, it has a pair of insulation barrel pieces for caulking the insulation coating portions of the electric wires on both sides of the substrate portion, and the marker portion includes the pair of wire barrel pieces among the substrate portions. And the pair of insulation barrel pieces (means 5).
According to the structure of the means 5, by providing the marker part in the part of the substrate part that does not have the barrel piece, the deformation (extension) of the terminal fitting at the time of crimping is hardly exerted on the part of the marker part. Can do.

手段4又は手段5の構成に加えて、前記標識部及び前記基準標識部のうちの少なくとも一方は、四角形状であるようにしてもよい(手段6)。
手段6の構成によれば、標識部や基準標識部を金型で形成する場合の金型寿命を長くすることができる。
In addition to the configuration of the means 4 or 5, at least one of the marker part and the reference marker part may have a quadrangular shape (means 6).
According to the configuration of the means 6, it is possible to extend the mold life when the marker part and the reference marker part are formed by a mold.

本発明は、基板部の両側に一対のワイヤバレル片を有する端子金具に電線を圧着してなる端子金具付き電線の製造方法において、前記端子金具の前記基板部のうち前記電線を抱持する面とは反対側の面に予め標識部を形成しておいて前記電線を前記ワイヤバレル片によって圧着する圧着工程を行い、その後に、前記標識部の位置を検査する検査工程を行うところに特徴を有する(手段7)。
基板部のうち前記電線を抱持する面とは反対側の面に予め標識部を形成しておいて圧着する。標識部を基板部に設けることで、圧着の際にワイヤバレル片には延びが生じるが、比較的基板部には延びが生じにくい。そして、圧着後の標識部の位置は、一対のワイヤバレル片によるかしめ強さ(かしめ深さ)の割合に応じて、標識部が形成された面の側から見た際の基板部における標識部の位置が異なる。よって、検査工程においては、標識部の位置に応じた検査結果に基づき、圧着状態が良好であるか否かを判定することができる。よって、ワイヤバレル片に延びが生じたり、一対のワイヤバレル片の端部が偏って変形したりしても圧着状態が良好であるか否かを判定することができる。
The present invention provides a method of manufacturing an electric wire with a terminal metal fitting by crimping an electric wire to a terminal metal fitting having a pair of wire barrel pieces on both sides of the board portion, and a surface for holding the electric wire in the board portion of the terminal metal fitting. A characteristic is that a marking part is formed in advance on the opposite side of the wire and a crimping process for crimping the electric wire with the wire barrel piece is performed, and then an inspection process for inspecting the position of the marking part is performed. (Means 7)
A label portion is formed in advance on the surface of the substrate portion opposite to the surface that holds the electric wire, and is crimped. By providing the marker portion on the substrate portion, the wire barrel piece extends during the crimping, but the substrate portion is relatively difficult to extend. And the position of the label | marker part after crimping | bonding is according to the ratio of the caulking strength (caulking depth) by a pair of wire barrel pieces, and the label | marker part in a board | substrate part when it sees from the surface side in which the label | marker part was formed The position of is different. Therefore, in the inspection process, it is possible to determine whether or not the crimping state is good based on the inspection result corresponding to the position of the marker portion. Therefore, it is possible to determine whether or not the crimping state is good even if the wire barrel piece is extended or the ends of the pair of wire barrel pieces are biased and deformed.

手段7の構成に加えて、前記圧着工程の際に前記標識部の位置を判断するための基準となる基準標識部を刻設する基準標識部を刻設するようにしてもよい(手段8)。
手段8の構成によれば、標識部と基準標識部との比較により、圧着状態が良好であるか否かを判定することができる。また、基準標識部の位置は、標識部の近傍であるから、前記比較を容易に行うことができる。
In addition to the configuration of the means 7, a reference mark portion for cutting a reference mark portion serving as a reference for determining the position of the mark portion during the crimping step may be formed (means 8). .
According to the configuration of the means 8, it is possible to determine whether or not the crimping state is good by comparing the marking portion with the reference marking portion. Further, since the position of the reference sign portion is in the vicinity of the sign portion, the comparison can be easily performed.

手段7の構成に加えて、前記検査工程は、前記電線の圧着後の端子金具を撮影した画像情報から取得した前記標識部の位置情報に基づいて圧着状態が良好であるか否かの判定を行うようにしてもよい(手段9)。
手段9の構成によれば、圧着状態が良好であるか否かの判定を自動化することができる。
In addition to the configuration of the means 7, the inspection step determines whether or not the crimping state is good based on the position information of the marker part acquired from image information obtained by photographing the terminal fitting after crimping the wire. You may make it perform (means 9).
According to the configuration of the means 9, it is possible to automate the determination of whether or not the crimped state is good.

手段8の構成に加えて、前記検査工程は、前記電線の圧着後の端子金具を撮影した画像情報から取得した前記標識部の位置と前記基準標識部の位置とに基づいて、圧着状態が良好であるか否かの判定を行うようにしてもよい(手段10)。
手段10の構成によれば、圧着状態が良好であるか否かを判定を自動化することができる。
In addition to the configuration of the means 8, the inspection step has a good crimped state based on the position of the marker part and the position of the reference marker part acquired from image information obtained by photographing the terminal fitting after crimping of the wire. It may be determined whether or not (means 10).
According to the configuration of the means 10, it is possible to automate the determination as to whether or not the crimping state is good.

本発明によれば、ワイヤバレル片に延びが生じたり、一対のワイヤバレル片の端部が偏って変形したりしても圧着状態が良好であるか否かを判定することができる。   According to the present invention, it is possible to determine whether or not the crimping state is good even if the wire barrel piece is extended or the ends of the pair of wire barrel pieces are biased and deformed.

実施形態1に係る端子金具付き電線を表す上面図The top view showing the electric wire with a terminal metal fitting concerning Embodiment 1 端子金具付き電線を表す下面図Bottom view showing electric wire with terminal fittings 端子金具を表す斜視図Perspective view showing terminal fittings 端子金具の電線接続部の部分の裏面側を表す展開図Development view showing the back side of the wire connection part of the terminal fitting アンビルの斜視図Perspective view of anvil 端子金具が圧着される前の状態を背面側から表す図Diagram showing the state before the terminal fitting is crimped from the back side 端子金具が圧着される前の状態を側面側から表す図A figure showing the state before the terminal fitting is crimped from the side 圧着状態が不良である場合の端子金具付き電線を表す下面図Bottom view showing the wire with terminal fittings when the crimping condition is bad 実施形態2に係る端子金具付き電線を表す下面図The bottom view showing the electric wire with a terminal metal fitting concerning Embodiment 2 端子金具の電線接続部の部分の裏面側を表す展開図Development view showing the back side of the wire connection part of the terminal fitting アンビルの斜視図Perspective view of anvil 圧着状態が不良である場合の端子金具付き電線を表す下面図Bottom view showing the wire with terminal fittings when the crimping condition is bad 実施形態3に係る端子金具付き電線を表す下面図The bottom view showing the electric wire with a terminal metal fitting concerning Embodiment 3 端子金具の電線接続部の部分の裏面側を表す展開図Development view showing the back side of the wire connection part of the terminal fitting 圧着状態が不良である場合の端子金具付き電線を表す下面図Bottom view showing the wire with terminal fittings when the crimping condition is bad 実施形態4に係る端子金具付き電線を表す下面図The bottom view showing the electric wire with a terminal metal fitting concerning Embodiment 4 端子金具の電線接続部の部分の裏面側を表す展開図Development view showing the back side of the wire connection part of the terminal fitting 圧着状態が不良である場合の端子金具付き電線を表す下面図Bottom view showing the wire with terminal fittings when the crimping condition is bad 実施形態5に係る端子金具付き電線を表す下面図The bottom view showing the electric wire with a terminal metal fitting concerning Embodiment 5 圧着状態が不良である場合の端子金具付き電線を表す下面図Bottom view showing the wire with terminal fittings when the crimping condition is bad

<実施形態1>
以下、本発明を具体化した実施形態1の端子金具付き電線10について、図1〜図8を参照して説明する。
実施形態1の端子金具付き電線10は、図1に示すように、被覆電線11の端末部に端子金具20が圧着接続されてなるものであり、例えば電気自動車において走行用の動力源を構成するバッテリ、インバータ、モータなどの装置(図示せず)の間に配索される。なお、以下の説明では、図1の左方を前方とし、右方を後方として説明する。
<Embodiment 1>
Hereinafter, the electric wire 10 with a terminal metal fitting of Embodiment 1 which actualized this invention is demonstrated with reference to FIGS.
As shown in FIG. 1, the electric wire 10 with terminal metal fittings of Embodiment 1 is formed by crimping and connecting a terminal metal fitting 20 to a terminal portion of a covered electric wire 11, and constitutes a power source for traveling in an electric vehicle, for example. It is routed between devices (not shown) such as a battery, an inverter, and a motor. In the following description, the left side of FIG. 1 is assumed to be the front and the right side is assumed to be the rear.

被覆電線11は、銅合金からなる金属素線を螺旋状に撚り合わせてなる芯線12を樹脂製の絶縁被覆13(絶縁層)で被覆したものであり、その端末部においては、絶縁被覆13が剥き取られて芯線12が露出されている。なお、被覆電線11の金属素線は、銅合金のみならず、銅、アルミ、アルミ合金であってもよい。   The covered electric wire 11 is obtained by coating a core wire 12 formed by spirally twisting metal wires made of a copper alloy with a resin insulating coating 13 (insulating layer). The core wire 12 is exposed by peeling off. In addition, the metal strand of the covered electric wire 11 may be not only a copper alloy but also copper, aluminum, or an aluminum alloy.

端子金具20は、銅合金製であり、図3に示すように、いわゆるオープンバレル型であって、箱型の端子接続部21と、端子接続部21と連続し被覆電線11が接続される電線接続部22とからなる。なお、端子金具20は、金属板材に打ち抜き加工を施して端子金具の展開形状を形成した後に、この展開形状に曲げ加工を施すことにより形成することができる。
端子接続部21は、箱型の雌端子であって、図示しない相手側端子の雄タブが前端部の挿入孔から挿入されることにより、相手側端子と電気的接続が図られる。
The terminal fitting 20 is made of a copper alloy, and as shown in FIG. 3, is a so-called open barrel type, and is a box-shaped terminal connection portion 21 and an electric wire to which the covered electric wire 11 is connected continuously to the terminal connection portion 21. It consists of the connection part 22. The terminal fitting 20 can be formed by punching a metal plate material to form a developed shape of the terminal fitting and then bending the developed shape.
The terminal connection portion 21 is a box-shaped female terminal, and a male tab of a mating terminal (not shown) is inserted from an insertion hole in the front end portion, whereby electrical connection with the mating terminal is achieved.

電線接続部22は、端子接続部21の底板に連なり後方に延出される基板部23と、基板部23の両側から芯線12を圧着抱持する一対のワイヤバレル片26,26と、一対のワイヤバレル片26,26の後方にて被覆電線11を絶縁被覆13の上から保持する一対のインシュレーションバレル片27,27と、を有する。
一対のワイヤバレル片26,26は、図4に示すように、共に軸方向(前後方向)に所定の長さで形成されており、基板部23の両側縁部からそれぞれ幅方向に延出されている。これにより一対のワイヤバレル片26,26は、基板部23の幅方向の中間部を仮想軸線VPとした場合に、この仮想軸線VPに関して対称に形成されている。
The wire connection part 22 is connected to the bottom plate of the terminal connection part 21 and extends rearward, a pair of wire barrel pieces 26 and 26 for holding the core wire 12 from both sides of the board part 23, and a pair of wires. A pair of insulation barrel pieces 27, 27 holding the covered electric wire 11 from above the insulating coating 13 behind the barrel pieces 26, 26.
As shown in FIG. 4, the pair of wire barrel pieces 26 and 26 are both formed to have a predetermined length in the axial direction (front-rear direction), and extend in the width direction from both side edges of the substrate portion 23. ing. Thus, the pair of wire barrel pieces 26 and 26 are formed symmetrically with respect to the virtual axis VP when the intermediate portion in the width direction of the substrate portion 23 is the virtual axis VP.

一対のインシュレーションバレル片27,27は、一対のワイヤバレル片26,26の後方に配されており、基板部23の両側縁部からそれぞれ幅方向に延出されており、一対のインシュレーションバレル片27,27で被覆電線11を絶縁被覆13の上からかしめることにより被覆電線11が離脱や位置ずれしないように保持される。   The pair of insulation barrel pieces 27, 27 are arranged behind the pair of wire barrel pieces 26, 26, and extend in the width direction from both side edges of the substrate portion 23, respectively. By crimping the covered electric wire 11 from above the insulating coating 13 with the pieces 27, 27, the covered electric wire 11 is held so as not to be detached or displaced.

基板部23は、幅方向の中心部が低くなるようにU字状に湾曲した形状をなし(図6参照)、この基板部23の上に被覆電線11の端末部が配される。
基板部23の裏面(芯線12を圧着抱持する面とは反対側の面)には、図4に示すように、四角形状の標識部24が、基板部23の裏面に対してほぼ一定の深さで凹み形成されている。
The board portion 23 has a U-shaped shape so that the central portion in the width direction is lowered (see FIG. 6), and the terminal portion of the covered electric wire 11 is disposed on the board portion 23.
On the back surface of the substrate portion 23 (the surface opposite to the surface on which the core wire 12 is crimped and held), as shown in FIG. 4, a square-shaped marker portion 24 is substantially constant with respect to the back surface of the substrate portion 23. A recess is formed at a depth.

この標識部24の幅方向における位置は、その中心が基板部23の幅方向における中間部を通る仮想軸線VP上に位置するように形成される。
標識部24の軸方向(前後方向)のおける位置は、基板部23を、左右にワイヤバレル片26,26を有して芯線12のかしめ付けが行われる芯線かしめ領域23Aと、左右にインシュレーションバレル片27,27を有して絶縁被覆13の上からかしめ付けが行われる被覆かしめ領域23Bと、芯線かしめ領域23Aと被覆かしめ領域23Bとの間に配されて、かしめ付けの行われない非かしめ領域23Cとに分けた場合に、非かしめ領域23Cにおける中間部に形成されている。
The position of the label portion 24 in the width direction is formed so that the center thereof is located on the virtual axis VP passing through the intermediate portion in the width direction of the substrate portion 23.
The position of the marker 24 in the axial direction (front-rear direction) is such that the base plate 23 has wire barrel pieces 26, 26 on the left and right, and a core wire caulking area 23A where the core wire 12 is caulked, and the insulation on the left and right. It is arranged between the covering caulking area 23B having the barrel pieces 27, 27 and caulking from above the insulating coating 13, and between the core caulking area 23A and the covering caulking area 23B, and is not caulked. When divided into the caulking area 23C, it is formed at the intermediate portion in the non-caulking area 23C.

標識部24の形成方法は、標識部24に対応する形状の凸部を有する金型を用いて、例えば、端子金具20の成形時の打ち抜き加工や曲げ加工の際に同時に標識部24を形成することができる。   As a method for forming the marking portion 24, for example, the marking portion 24 is formed at the same time as punching or bending when forming the terminal fitting 20, using a mold having a convex portion corresponding to the marking portion 24. be able to.

また、基板部23の裏面のうち、芯線かしめ領域23Aには、端子金具20の圧着の際に、基準標識部25が形成されるようになっており、これにより、圧着後の端子金具付き電線10の裏面側には、図2に示すように、基準標識部25が形成されている。
基準標識部25は、芯線かしめ領域23Aのうち、幅方向の中間部であって、軸方向の中間部よりやや後方に形成されるもので、基板部23の湾曲した裏面に対してわずかに(視認可能な程度に)突出した部分である。この基準標識部25は、圧着の際に、後述するアンビル30に設けられている刻印部31によって形成されるものである。
In addition, a reference mark portion 25 is formed in the core wire caulking region 23A of the back surface of the substrate portion 23 when the terminal fitting 20 is crimped. As shown in FIG. 2, a reference mark portion 25 is formed on the back surface side of 10.
The reference marking portion 25 is an intermediate portion in the width direction of the core caulking area 23A, and is formed slightly behind the intermediate portion in the axial direction. It is a protruding part (to the extent that it is visible). The reference mark portion 25 is formed by a stamped portion 31 provided on the anvil 30 described later at the time of pressure bonding.

端子金具20の圧着は、図6に示すように、端子金具20が載置されるアンビル30(本発明の「圧着金型」に相当)と、アンビル30の上方に配置されるクリンパ32との相対移動により行われる。
アンビル30は、図5に示すように、金属製の金型であり、その上面30Aが端子金具20を載置できるように、基板部23の形状に応じて幅方向について中央部に向けて漸次低くなるように湾曲した形状となっている。
As shown in FIG. 6, the terminal metal fitting 20 is crimped between an anvil 30 on which the terminal metal fitting 20 is placed (corresponding to a “crimping die” of the present invention) and a crimper 32 disposed above the anvil 30. This is done by relative movement.
As shown in FIG. 5, the anvil 30 is a metal mold, and gradually moves toward the center in the width direction according to the shape of the substrate portion 23 so that the upper surface 30 </ b> A can place the terminal fitting 20. The shape is curved so as to be lowered.

アンビル30の上面30Aには、刻印部31が凹設されている。刻印部31は、4角形状の凹部であって、所定の深さで形成されている。
クリンパ32は、図6に示すように、金属製の金型であり、その下面(内面)が一対のバレル部37を包み込むように変形させるように、山形に凹設されており、その頂部は、一対のバレル部に応じて半円形状になっている。
On the upper surface 30 </ b> A of the anvil 30, a stamped portion 31 is recessed. The stamped portion 31 is a quadrangular recess having a predetermined depth.
As shown in FIG. 6, the crimper 32 is a metal mold, and its lower surface (inner surface) is recessed in a mountain shape so as to wrap around the pair of barrel portions 37, and its top portion is The semicircular shape is formed according to the pair of barrel portions.

次に、端子金具付き電線の製造方法について説明する。
端子金具付き電線10の製造は、被覆電線11の端末を端子金具20に圧着する圧着工程と、圧着工程で圧着された端子金具付き電線10の検査工程とからなる。
(圧着工程)
端子原板に曲げ加工を施した端子金具20の基板部23に、図7に示すように、芯線12を露出させた被覆電線11の端末部を載置した状態で、端子金具20をアンビル30上の所定位置(基板部23のうち芯線かしめ領域23A内において幅方向の中間部に刻印部31が位置するように)に載置する。
そして、クリンパ32を下降させる。
Next, the manufacturing method of the electric wire with a terminal metal fitting is demonstrated.
The manufacture of the electric wire with terminal fitting 10 includes a crimping process for crimping the terminal of the covered electric wire 11 to the terminal fitting 20 and an inspection process for the electric wire 10 with the terminal fitting crimped in the crimping process.
(Crimping process)
As shown in FIG. 7, the terminal fitting 20 is placed on the anvil 30 in a state where the terminal portion of the covered electric wire 11 with the core wire 12 exposed is placed on the board portion 23 of the terminal fitting 20 obtained by bending the terminal original plate. At a predetermined position (so that the marking portion 31 is located in the intermediate portion in the width direction in the core caulking area 23A of the substrate portion 23).
Then, the crimper 32 is lowered.

すると、一対のワイヤバレル片26,26が、クリンパ32の内面形状に応じて芯線12を包み込むような形状に折り返しつつ変形する。そして、一対のワイヤバレル片26,26の先端部が芯線12の外周に突き当たり芯線12を押し潰しつつ芯線12の内部に食い込んでいく。このとき、端子金具20がクリンパ32とアンビル30の強い力で挟まれるため、圧着とともに、アンビル30に凹設された刻印部31が強い力で基板部23の裏面に押し当てられ、基板部23には、アンビル30の刻印部31に押し当てられて形成された基準標識部25が基板部23の裏面から突出(膨出)する。そして、クリンパ32が所定位置まで下降すると、芯線12の圧着(かしめ付け)及び基準標識部2の形成が終了する。   Then, the pair of wire barrel pieces 26 and 26 are deformed while being folded back into a shape that wraps the core wire 12 according to the inner surface shape of the crimper 32. And the front-end | tip part of a pair of wire barrel pieces 26 and 26 contacts the outer periphery of the core wire 12, and it bites into the inside of the core wire 12, pressing the core wire 12 down. At this time, since the terminal fitting 20 is sandwiched between the crimper 32 and the anvil 30 with a strong force, the stamped portion 31 recessed in the anvil 30 is pressed against the back surface of the substrate portion 23 with a strong force. In this case, the reference marking portion 25 formed by being pressed against the marking portion 31 of the anvil 30 protrudes (bulges) from the back surface of the substrate portion 23. When the crimper 32 is lowered to a predetermined position, the crimping (caulking) of the core wire 12 and the formation of the reference marker portion 2 are finished.

なお、説明を省略したが、クリンパ32は、一対のインシュレーションバレル片27,27についてもかしめるようになっており、上記したクリンパ32の下降により、上記したワイヤバレル片26,26による圧着に伴って絶縁被覆13部分がインシュレーションバレル片27,27によってかしめられる。
そして、クリンパ32を元の位置に戻し、端子金具付き電線10をアンビル30の上から取り出す。
In addition, although description was abbreviate | omitted, the crimper 32 crimps also about a pair of insulation barrel pieces 27 and 27, and the crimping | compression-bonding by the above-mentioned wire barrel pieces 26 and 26 is carried out by the fall of the above-mentioned crimper 32. Accordingly, the insulating coating 13 is caulked by the insulation barrel pieces 27 and 27.
Then, the crimper 32 is returned to the original position, and the electric wire 10 with terminal fittings is taken out from the anvil 30.

(検査工程)
検査装置は、圧着完了後の端子金具付き電線10のおける基板部23の裏面の画像を、例えば、CCD等の撮像手段(図示しない)を用いて取り込み制御部に出力する。
制御部は、入力された画像により、幅方向(Y軸方向)における標識部24の位置(標識部24の幅方向の中心)と幅方向(Y軸方向)における基準標識部25(基準標識部25の幅方向の中心)の位置とのそれぞれの位置情報を取得する。
(Inspection process)
The inspection apparatus captures and outputs an image of the back surface of the board portion 23 of the electric wire 10 with terminal fitting after completion of the crimping using an imaging means (not shown) such as a CCD.
Based on the input image, the control unit detects the position of the marker 24 in the width direction (Y-axis direction) (the center in the width direction of the marker 24) and the reference marker 25 (reference marker) in the width direction (Y-axis direction). The position information of each of the positions in the width direction of 25) is acquired.

次に、制御部は、取得した位置情報により、幅方向における標識部24の位置が、幅方向における基準標識部25の位置に対して所定の範囲内(良品と判定できる許容寸法以下)にあるかどうかを比較する。
図2に示すように、標識部24の位置が基準標識部25の位置に対して所定の範囲内にある場合には、左右のワイヤバレル片26,26によりほぼ均等にかしめつけが行われていると判断できるため、制御部は、圧着状態が良好である良品であると判定する。
Next, based on the acquired position information, the control unit has the position of the sign part 24 in the width direction within a predetermined range (below the allowable dimension that can be determined as a non-defective product) with respect to the position of the reference sign part 25 in the width direction. Compare whether or not.
As shown in FIG. 2, when the position of the marker portion 24 is within a predetermined range with respect to the position of the reference marker portion 25, the left and right wire barrel pieces 26 and 26 are caulked almost evenly. Therefore, the control unit determines that the product is a non-defective product with a good crimped state.

一方、図8に示すように、幅方向(Y軸方向)における標識部24の位置(VP)が幅方向(Y軸方向)における基準標識部25の位置(VC)に対して所定の範囲内にない場合には、左右のワイヤバレル片26,26のかしめつけの深さ(強さ)が異なるため、制御部は、圧着状態が良好でない不良品であると判定する。   On the other hand, as shown in FIG. 8, the position (VP) of the marker portion 24 in the width direction (Y-axis direction) is within a predetermined range with respect to the position (VC) of the reference marker portion 25 in the width direction (Y-axis direction). Otherwise, since the caulking depths (strengths) of the left and right wire barrel pieces 26 and 26 are different, the control unit determines that the crimped state is a defective product.

本実施形態によれば、以下の効果を奏する。
(1)本実施形態によれば、標識部24は、基板部23の裏面(基板部23のうち被覆電線11(電線)を抱持する面とは反対側の面)に設けられているため、ワイヤバレル片26,26に延びが生じても基板部23における標識部24の位置が影響を受けにくい。また、一対のワイヤバレル片26,26について食い込みの深さに違い(巻き込み深さのずれ)が生じて圧着状態が良好でない場合には、標識部24の位置がずれるため、この標識部24の位置に基づいて、圧着状態が良好であるか否かを判定することができる。よって、ワイヤバレル片26,26に延びが生じたり、一対のワイヤバレル片26,26の端部が偏って変形したりしても圧着状態が良好であるか否かを判定することができる。
According to this embodiment, the following effects can be obtained.
(1) According to the present embodiment, the marking portion 24 is provided on the back surface of the substrate portion 23 (the surface of the substrate portion 23 opposite to the surface that holds the covered electric wire 11 (electric wire)). Even if the wire barrel pieces 26 and 26 are extended, the position of the marker portion 24 in the substrate portion 23 is not easily affected. In addition, when the difference in biting depth (displacement of the entanglement depth) occurs between the pair of wire barrel pieces 26 and 26 and the crimping state is not good, the position of the mark portion 24 is shifted. Based on the position, it can be determined whether the crimped state is good. Therefore, even if the wire barrel pieces 26 and 26 are extended or the ends of the pair of wire barrel pieces 26 and 26 are biased and deformed, it can be determined whether or not the crimped state is good.

(2)標識部24は、基板部23に凹状に刻印して形成されたものであるため、容易に標識部24を形成することができる。また、金属板材から端子金具20を成形する工程に伴って標識部24を形成することができる。 (2) Since the marking part 24 is formed by engraving the substrate part 23 in a concave shape, the marking part 24 can be easily formed. Moreover, the marker part 24 can be formed in connection with the process of shape | molding the terminal metal fitting 20 from a metal plate material.

(3)ワイヤバレル片26,26は基板部23上を通る仮想軸線VPに関して対称に形成されており、標識部24は仮想軸線VP上に位置して設けられているため、簡易な構成で圧着状態が良好であるか否かを判別することが可能になる。 (3) Since the wire barrel pieces 26 and 26 are formed symmetrically with respect to the virtual axis VP passing on the substrate portion 23 and the marker portion 24 is provided on the virtual axis VP, the wire barrel pieces 26 and 26 are crimped with a simple configuration. It becomes possible to determine whether or not the state is good.

(4)端子金具付き電線10は、端子金具20の基板部23のうち被覆電線11を抱持する面とは反対側の面に形成される標識部24と基準標識部25との位置を比較するため、ワイヤバレル片26,26に延びが生じても圧着状態が良好であるか否かを判定することができる。また、一対のワイヤバレル片26,26について食い込みの深さに違い(巻き込み深さのずれ)が生じて圧着状態が良好でない場合には、標識部24と基準標識部25との位置がずれるため、これらの位置関係に基づいて、圧着状態が良好であるか否かを判定することができる。よって、ワイヤバレル片26,26に延びが生じたり、一対のワイヤバレル片26,26の端部が偏って変形したりしても圧着状態が良好であるか否かを判定することができる。また、標識部24と基準標識部25との位置を比較するため、標識部24のみにより前記判定を行う場合と比較して、前記判定を、容易かつ確実に行うことができる。 (4) The electric wire 10 with terminal fitting compares the positions of the marker portion 24 and the reference marker portion 25 formed on the surface of the board portion 23 of the terminal fitting 20 opposite to the surface holding the covered electric wire 11. Therefore, it can be determined whether or not the crimping state is good even if the wire barrel pieces 26 and 26 are extended. In addition, when the crimping state is not good due to a difference in the biting depth (displacement of the winding depth) between the pair of wire barrel pieces 26, 26, the positions of the marker portion 24 and the reference marker portion 25 are shifted. Based on these positional relationships, it can be determined whether or not the crimping state is good. Therefore, even if the wire barrel pieces 26 and 26 are extended or the ends of the pair of wire barrel pieces 26 and 26 are biased and deformed, it is possible to determine whether or not the crimped state is satisfactory. In addition, since the positions of the marker part 24 and the reference marker part 25 are compared, the determination can be performed easily and reliably as compared with the case where the determination is performed only by the marker part 24.

(5)標識部24は、基板部23のうち、一対のワイヤバレル片26,26と一対のインシュレーションバレル片27,27との間の非かしめ領域23Cに設けられる。このように標識部24を基板部23のうち、バレル片を有さない部分に設けることで、圧着の際の端子金具20の変形(延び)が標識部24の部分に及ぼされにくくすることができる。 (5) The marking portion 24 is provided in the non-caulking region 23 </ b> C between the pair of wire barrel pieces 26 and 26 and the pair of insulation barrel pieces 27 and 27 in the substrate portion 23. As described above, by providing the marking portion 24 in the portion of the substrate portion 23 that does not have the barrel piece, the deformation (extension) of the terminal fitting 20 at the time of crimping may be less likely to be exerted on the portion of the marking portion 24. it can.

(6)標識部24及び基準標識部25は、四角形状であるため、標識部24や基準標識部25を金型で形成する場合の金型寿命を長くすることができる。 (6) Since the marking part 24 and the reference marking part 25 have a quadrangular shape, the mold life can be extended when the marking part 24 and the reference marking part 25 are formed by a mold.

(7)端子金具付き電線10の製造は、基板部23の裏面に予め標識部24を形成しておいて圧着工程を行う。このように標識部24を基板部23に設けることで、圧着の際にワイヤバレル片26,26には延びが生じるが、比較的基板部23には延びが生じにくい。そして、圧着工程後の標識部24の位置は、一対のワイヤバレル片26,26によるかしめ強さ(かしめ深さ)の割合に応じて、標識部24が形成された面の側から見た際の基板部23における標識部24の位置が異なる。よって、検査工程においては、標識部24の位置に応じた検査結果に基づき、圧着状態が良好であるか否かを判定することができる。よって、ワイヤバレル片26,26に延びが生じたり、一対のワイヤバレル片26,26の端部が偏って変形したりしても圧着状態が良好であるか否かを判定することができる。 (7) Manufacture of the electric wire 10 with terminal fittings is performed by forming a marker portion 24 on the back surface of the substrate portion 23 in advance and performing a crimping process. By providing the marking portion 24 on the substrate portion 23 in this way, the wire barrel pieces 26 and 26 are elongated during the pressure bonding, but the substrate portion 23 is relatively unlikely to be elongated. And the position of the label | marker part 24 after a crimping | compression-bonding process is when it sees from the side of the surface in which the label | marker part 24 was formed according to the ratio of the caulking strength (caulking depth) by a pair of wire barrel pieces 26 and 26. The position of the marker part 24 in the substrate part 23 is different. Therefore, in the inspection process, it is possible to determine whether or not the crimping state is good based on the inspection result corresponding to the position of the marker portion 24. Therefore, even if the wire barrel pieces 26 and 26 are extended or the ends of the pair of wire barrel pieces 26 and 26 are biased and deformed, it can be determined whether or not the crimped state is good.

(8)標識部24と圧着の際に形成される基準標識部25との比較により、圧着状態が良好であるか否かを判定することができる。また、基準標識部25の位置は、標識部24の近傍であるから、前記比較を容易に行うことができる。 (8) It is possible to determine whether or not the crimping state is good by comparing the marking part 24 with the reference marking part 25 formed at the time of crimping. Further, since the position of the reference marker 25 is in the vicinity of the marker 24, the comparison can be easily performed.

(9)検査工程は、被覆電線11の圧着後の端子金具20を撮影した画像情報から取得した標識部24の位置と基準標識部25の位置とに基づいて、圧着状態が良好であるか否かの判定を行うため、圧着状態が良好であるか否かを判定を自動化することができる。 (9) Whether the crimping state is good based on the position of the marker 24 and the position of the reference marker 25 acquired from the image information obtained by photographing the terminal fitting 20 after crimping of the covered electric wire 11 in the inspection step. Therefore, it is possible to automate the determination as to whether or not the crimping state is good.

<実施形態2>
次に、本発明の実施形態2を図9ないし図12を参照して説明する。実施形態1と同一の構成については同一の符号を付して説明を省略する。
実施形態1の端子金具付き電線10の標識部24及び基準標識部25は共に四角形状であったが、実施形態2の端子金具付き電線40では、図9に示すように、標識部42は三角形状で、基準標識部43は円形状とするものである。
<Embodiment 2>
Next, a second embodiment of the present invention will be described with reference to FIGS. The same components as those of the first embodiment are denoted by the same reference numerals and description thereof is omitted.
Although both the marking part 24 and the reference marking part 25 of the electric wire 10 with terminal metal fittings of Embodiment 1 are square-shaped, in the electric wire 40 with terminal metal fittings of Embodiment 2, the marking part 42 is triangular as shown in FIG. In shape, the reference sign 43 is circular.

端子金具41における標識部42は、ほぼ正三角形状の凹部であって、図10に示すように、その前方(基準標識部25が形成される側)に向く三角形の頂点が仮想軸線VP(基板部23の幅方向における中心部)を通るように形成される。   The marking portion 42 in the terminal fitting 41 is a substantially equilateral triangular concave portion, and as shown in FIG. 10, the apex of the triangle facing the front (the side where the reference marking portion 25 is formed) is the virtual axis VP (substrate It is formed so as to pass through the central portion in the width direction of the portion 23.

基準標識部43は、アンビル44により形成される。
アンビル44は、図11に示すように、その上面44Aにおける幅方向の中間部に形成された刻印部45を有する。刻印部45は、円形状で所定の深さの凹部である。
これにより、圧着状態が良好である場合(ワイヤバレル片26,26による圧着が均等に行われた場合)には、図9に示すように、標識部42の基準標識部43側に向く頂点を通る線(VC)と、基準標識部43の中心がほぼ同じ仮想軸線VPを通る(又はVPとVCが所定寸法以下の範囲に形成される)ため、圧着状態が良好であると判定できる。
The reference sign 43 is formed by the anvil 44.
As shown in FIG. 11, the anvil 44 has a marking 45 formed at an intermediate portion in the width direction on the upper surface 44 </ b> A. The marking portion 45 is a circular recess having a predetermined depth.
As a result, when the crimping state is good (when the crimping by the wire barrel pieces 26 and 26 is performed uniformly), as shown in FIG. Since the passing line (VC) and the center of the reference marking portion 43 pass through substantially the same virtual axis VP (or VP and VC are formed in a range of a predetermined dimension or less), it can be determined that the crimped state is good.

一方、圧着状態が良好でない場合(ワイヤバレル片26,26による圧着が均等に行われない場合)には、図12に示すように、標識部42の基準標識部43側に向く頂点を通る仮想軸線VPに対して、基準標識部43の中心線(VC)が所定寸法以上離れた位置に形成されるため、圧着状態が不良であると判定できる。
これにより、圧着状態が良好であるか否かを判定することができる。
On the other hand, when the crimping state is not good (when the crimping by the wire barrel pieces 26, 26 is not performed uniformly), as shown in FIG. 12, the virtual passing through the apex of the marking part 42 facing the reference marking part 43 side. Since the center line (VC) of the reference marking portion 43 is formed at a position away from the axis VP by a predetermined dimension or more, it can be determined that the crimped state is defective.
Thereby, it can be determined whether the crimping | compression-bonding state is favorable.

<実施形態3>
次に、本発明の実施形態3を図13ないし図15を参照して説明する。
上記実施形態では、基準標識部25,43は、芯線かしめ領域23Aに設け、標識部24,42は、非かしめ領域23Cに設けることとしたが、実施形態3では、端子金具付き電線50の基準標識部43については、実施形態2と同一の構成であるが、図14に示すように、端子金具51における標識部52を非かしめ領域23Cではなく、芯線かしめ領域23Aに設けるものである。
<Embodiment 3>
Next, Embodiment 3 of the present invention will be described with reference to FIGS.
In the above embodiment, the reference marking portions 25 and 43 are provided in the core wire crimping region 23A, and the marking portions 24 and 42 are provided in the non-caulking region 23C. The sign part 43 has the same configuration as that of the second embodiment, but as shown in FIG. 14, the sign part 52 in the terminal fitting 51 is provided not in the non-caulking area 23C but in the core caulking area 23A.

図13,図15に示すように、端子金具付き電線50としては、芯線かしめ領域23Aにおいて、標識部52及び基準標識部43が近傍の位置で軸方向に前後するように形成される。
これにより、標識部52及び基準標識部43の位置が近いため、圧着状態の良否を容易に認識することができる。
As shown in FIGS. 13 and 15, the electric wire 50 with a terminal fitting is formed such that the marker portion 52 and the reference marker portion 43 are moved back and forth in the axial direction in the vicinity of the core wire caulking region 23 </ b> A.
Thereby, since the position of the label | marker part 52 and the reference | standard label | marker part 43 is near, the quality of a crimping | compression-bonding state can be recognized easily.

<実施形態4>
次に、本発明の実施形態4を図16ないし図18を参照して説明する。
実施形態4では、端子金具付き電線60の標識部62及び基準標識部43を共に円形状としたものである。なお、基準標識部43は、実施形態2と同一の構成である。
端子金具61における標識部62は、円筒形状に凹み形成された円筒部を有し、この円筒部の内側は、平坦な内円部64となっている。
標識部62及び基準標識部43は、軸方向における同位置(同心)に形成され、内円部64の径は、基準標識部43の径よりも大きい。
<Embodiment 4>
Next, a fourth embodiment of the present invention will be described with reference to FIGS.
In the fourth embodiment, both the marking portion 62 and the reference marking portion 43 of the electric wire 60 with terminal fitting are circular. In addition, the reference | standard label | marker part 43 is the structure same as Embodiment 2. FIG.
The indicator portion 62 in the terminal fitting 61 has a cylindrical portion that is formed in a cylindrical shape, and the inside of the cylindrical portion is a flat inner circle portion 64.
The marker part 62 and the reference marker part 43 are formed at the same position (concentric) in the axial direction, and the diameter of the inner circle part 64 is larger than the diameter of the reference marker part 43.

そして、圧着状態が良好である場合(ワイヤバレル片26,26による圧着が均等に行われた場合)には、図16に示すように、標識部52と、基準標識部43とが同心(又は中心位置が所定範囲内)に位置するように刻印される。   When the crimping state is good (when the crimping by the wire barrel pieces 26 and 26 is performed uniformly), as shown in FIG. 16, the marker 52 and the reference marker 43 are concentric (or The center position is engraved so as to be within a predetermined range.

一方、圧着状態が良好でない場合(ワイヤバレル片26,26による圧着が均等に行われない場合)には、図18に示すように、標識部52と、基準標識部43とが同心から所定寸法以上ずれた状態となる。   On the other hand, when the crimping state is not good (when the crimping by the wire barrel pieces 26, 26 is not performed uniformly), as shown in FIG. 18, the marker part 52 and the reference marker part 43 are concentrically set to a predetermined dimension. The state is shifted as described above.

<実施形態5>
次に、本発明の実施形態5を図19及び図20を参照して説明する。
実施形態5は、上記実施形態とは異なり、端子金具付き電線70は、基準標識部25(43)は設けずに、実施形態3と同一構成の標識部52のみにより、圧着状態が良好であるか否かを判定するものである。そのため、アンビルには刻印部31(45)は設けられていない。
<Embodiment 5>
Next, a fifth embodiment of the present invention will be described with reference to FIGS.
In the fifth embodiment, unlike the above-described embodiment, the electric wire with terminal fitting 70 has a good crimped state only by the marker portion 52 having the same configuration as that of the third embodiment without providing the reference marker portion 25 (43). Whether or not. For this reason, the anvil is not provided with the marking 31 (45).

基準標識部25(43)を有さないために、標識部52と基準標識部25(43)とを比較する上記実施形態とは圧着状態の良否を検査する検査工程が異なる。   Since the reference marking portion 25 (43) is not provided, the inspection process for inspecting the quality of the crimped state is different from the above-described embodiment that compares the marking portion 52 and the reference marking portion 25 (43).

(検査工程)
圧着完了後の端子金具付き電線10のおける基板部23の裏面の画像を撮像装置(図示しない)で取り込み制御部に出力する。
制御部は、取り込んだ画像により、幅方向(Y軸方向)における標識部52の位置(標識部52の幅方向の中心)の位置情報(及び基板部23の幅方向の端部の位置情報)を取得する。
(Inspection process)
An image of the back surface of the substrate portion 23 of the electric wire with terminal fitting 10 after the completion of crimping is captured by an imaging device (not shown) and output to the control portion.
Based on the captured image, the control unit detects the position information (and the position information of the end of the substrate portion 23 in the width direction) of the position of the mark portion 52 (the center in the width direction of the mark portion 52) in the width direction (Y-axis direction). To get.

次に、制御部は、取得した位置情報により標識部52の位置と、予め記憶されている基準位置とを比較する。   Next, the control unit compares the position of the marker unit 52 with a reference position stored in advance based on the acquired position information.

そして、制御部は、図19に示すように、幅方向(Y軸方向)における標識部52の位置が基準位置に対して所定の範囲内にあると判断した場合には、左右のワイヤバレル片26,26により均等にかしめつけが行われているため、圧着状態が良好である良品であると判定する。   When the control unit determines that the position of the marker unit 52 in the width direction (Y-axis direction) is within a predetermined range with respect to the reference position, as shown in FIG. 19, the left and right wire barrel pieces Since it is caulked uniformly by 26 and 26, it determines with the non-defective product with a favorable crimping | compression-bonding state.

一方、図20に示すように、標識部52の位置(VP)が基準位置(VC)に対して所定の範囲内にない場合には、左右のワイヤバレル片26,26のかしめつけの深さ(強さ)が異なるため、圧着状態が良好でない不良品であると判定する。   On the other hand, as shown in FIG. 20, when the position (VP) of the marker portion 52 is not within a predetermined range with respect to the reference position (VC), the caulking depths of the left and right wire barrel pieces 26, 26 ( Since the strength) is different, it is determined that the product is a defective product with a poor crimped state.

<他の実施形態>
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。
(1)標識部24や基準標識部25の形状は、上記実施形態の四角形、三角形、円形に限られず、他の形状を用いることも可能である。
<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) The shapes of the sign part 24 and the reference sign part 25 are not limited to the quadrangle, the triangle, and the circle in the above embodiment, and other shapes can be used.

(2)標識部24は基板部23に凹設されることとしたが、これに限られず、凸設するものや、マークを印刷するものでもよい。また、基準標識部25についても、基板部23に凸設されることとしたが、これに限られず、凹設されるものや、マークを印刷するものでもよい。なお、基準標識部25を凹設する場合には、アンビル30形成される刻印部31を凸設するものとすればよい。   (2) The marker 24 is recessed in the substrate 23. However, the present invention is not limited to this, and a marker or a mark may be printed. In addition, the reference mark portion 25 is also provided on the substrate portion 23. However, the reference mark portion 25 is not limited to this and may be provided with a concave portion or a mark printed thereon. In addition, what is necessary is just to project the marking part 31 in which the anvil 30 is formed when the reference mark part 25 is recessed.

(3)圧着状態が良好であるかを判定する方法は、上記した画像処理に限らず、他の方法によることも可能である。例えば、作業者が視認により判定することも可能である。   (3) The method of determining whether the crimped state is good is not limited to the above-described image processing, and other methods can be used. For example, it is possible for the operator to make a determination by visual recognition.

10,40,50,60,70…端子金具付き電線
11…被覆電線(電線)
12…芯線
13…絶縁被覆
20,41,51,61…端子金具
22…電線接続部
23…基板部
24,42,52,62…標識部
25,43…基準標識部
26…ワイヤバレル片
27…インシュレーションバレル片
30,44…アンビル(圧着金型)
31,45…刻印部
32…クリンパ
VC…基準標識部の幅方向の中心線
VP…仮想軸線
10, 40, 50, 60, 70 ... Electric wire with terminal fittings 11 ... Coated electric wire (electric wire)
DESCRIPTION OF SYMBOLS 12 ... Core wire 13 ... Insulation coating 20, 41, 51, 61 ... Terminal metal fitting 22 ... Electric wire connection part 23 ... Board | substrate part 24, 42, 52, 62 ... Marking part 25, 43 ... Reference | standard marking part 26 ... Wire barrel piece 27 ... Insulation barrel piece 30,44 ... Anvil (crimping die)
31, 45 ... Marking part 32 ... Crimper VC ... Center line in the width direction of the reference mark part VP ... Virtual axis

Claims (10)

基板部の両側から電線の芯線を圧着抱持する一対のワイヤバレル片を有する端子金具において、前記基板部のうち前記電線を抱持する面とは反対側の面に前記電線の圧着前に形成された標識部を備えることを特徴とする端子金具。 In the terminal fitting having a pair of wire barrel pieces for crimping and holding the core wire of the electric wire from both sides of the substrate portion, formed on the surface of the substrate portion opposite to the surface for holding the electric wire before the electric wire is crimped A terminal fitting comprising a marked portion. 前記標識部は、前記基板部に凹状に刻印して形成されたものであることを特徴とする請求項1記載の端子金具。 The terminal fitting according to claim 1, wherein the marker portion is formed by stamping the substrate portion in a concave shape. 前記ワイヤバレル片は前記基板部上を通る仮想軸線に関して対称に形成されており、前記標識部は前記仮想軸線上に位置して設けられていることを特徴とする請求項1又は請求項2記載の端子金具。 3. The wire barrel piece is formed symmetrically with respect to an imaginary axis passing through the substrate portion, and the marker portion is provided on the imaginary axis. Terminal fittings. 基板部の両側に電線の芯線を圧着抱持する一対のワイヤバレル片を有する端子金具と、前記ワイヤバレル片に圧着された前記電線とからなる端子金具付き電線であって、前記端子金具の前記基板部のうち前記電線を抱持する面とは反対側の面には、前記電線の圧着前に形成された標識部と、圧着金型に形成した刻印部によって前記電線の圧着時に刻印された基準標識部とを備える端子金具付き電線。 A terminal fitting having a pair of wire barrel pieces for crimping and holding the core wire of the electric wire on both sides of the board portion, and an electric wire with a terminal fitting comprising the electric wire crimped to the wire barrel piece, The surface of the substrate portion opposite to the surface that holds the electric wire was stamped at the time of crimping of the electric wire by the marker portion formed before the crimping of the electric wire and the marking portion formed on the crimping die. An electric wire with a terminal fitting provided with a reference marking portion. 前記基板部の両側に電線の絶縁被覆の部分をかしめる一対のインシュレーションバレル片を有し、前記標識部は、前記基板部のうち、前記一対のワイヤバレル片と前記一対のインシュレーションバレル片との間に設けられることを特徴とする請求項4記載の端子金具付き電線。 A pair of insulation barrel pieces for caulking the insulation coating portions of the electric wires on both sides of the board portion, and the marker portion includes the pair of wire barrel pieces and the pair of insulation barrel pieces among the board portions. The electric wire with a terminal metal fitting according to claim 4, wherein the electric wire is provided between the electric wire and the terminal metal. 前記標識部及び前記基準標識部のうちの少なくとも一方は、四角形状であることを特徴とする請求項4又は請求項5記載の端子金具付き電線。 6. The electric wire with terminal fitting according to claim 4, wherein at least one of the marker part and the reference marker part has a quadrangular shape. 基板部の両側に一対のワイヤバレル片を有する端子金具に電線を圧着してなる端子金具付き電線の製造方法において、前記端子金具の前記基板部のうち前記電線を抱持する面とは反対側の面に予め標識部を形成しておいて前記電線を前記ワイヤバレル片によって圧着する圧着工程を行い、その後に、前記標識部の位置を検査する検査工程を行うことを特徴とする端子金具付き電線の製造方法。 In the method of manufacturing an electric wire with a terminal fitting formed by crimping an electric wire to a terminal fitting having a pair of wire barrel pieces on both sides of the substrate portion, the side of the terminal portion opposite to the surface holding the electric wire in the substrate portion With a terminal fitting, characterized in that a marking portion is formed in advance on the surface of the wire and a crimping step of crimping the electric wire with the wire barrel piece is performed, and then an inspection step of inspecting the position of the marking portion is performed. Electric wire manufacturing method. 前記圧着工程の際に前記標識部の位置を判断するための基準となる基準標識部を刻設することを特徴とする請求項7記載の端子金具付き電線の製造方法。 8. The method of manufacturing an electric wire with a terminal metal fitting according to claim 7, wherein a reference mark portion serving as a reference for judging the position of the mark portion is engraved during the crimping step. 前記検査工程は、前記電線の圧着後の端子金具を撮影した画像情報から取得した前記標識部の位置情報に基づいて圧着状態が良好であるか否かの判定を行うことを特徴とする請求項7記載の端子金具付き電線の製造方法。 The said inspection process determines whether a crimping state is favorable based on the positional information on the said indicator part acquired from the image information which photoed the terminal metal fitting after crimping of the above-mentioned electric wire. A manufacturing method of the electric wire with a terminal metal fitting according to 7. 前記検査工程は、前記電線の圧着後の端子金具を撮影した画像情報から取得した前記標識部の位置と前記基準標識部の位置とに基づいて、圧着状態が良好であるか否かの判定を行うことを特徴とする請求項8記載の端子金具付き電線の製造方法。 The inspection step determines whether or not the crimping state is good based on the position of the marker part and the position of the reference marker part acquired from image information obtained by photographing the terminal fitting after crimping the wire. The manufacturing method of the electric wire with a terminal metal fitting of Claim 8 performed.
JP2009156862A 2009-07-01 2009-07-01 Terminal metal fitting, electric wire with the terminal metal fitting, and method for manufacturing the electric wire with the terminal metal fitting Pending JP2011014349A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107470456A (en) * 2017-09-28 2017-12-15 深圳倍声声学技术有限公司 A kind of method for manufacturing reed material strip
CN110707444A (en) * 2018-07-09 2020-01-17 矢崎总业株式会社 Terminal fitting and electric wire with terminal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107470456A (en) * 2017-09-28 2017-12-15 深圳倍声声学技术有限公司 A kind of method for manufacturing reed material strip
CN107470456B (en) * 2017-09-28 2023-10-13 深圳市长盈精密技术股份有限公司 Method for manufacturing reed material belt
CN110707444A (en) * 2018-07-09 2020-01-17 矢崎总业株式会社 Terminal fitting and electric wire with terminal

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