JP2012124091A - Terminal inserting device and terminal inserting method - Google Patents

Terminal inserting device and terminal inserting method Download PDF

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JP2012124091A
JP2012124091A JP2010275470A JP2010275470A JP2012124091A JP 2012124091 A JP2012124091 A JP 2012124091A JP 2010275470 A JP2010275470 A JP 2010275470A JP 2010275470 A JP2010275470 A JP 2010275470A JP 2012124091 A JP2012124091 A JP 2012124091A
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terminal
electric wire
core wire
pressing member
chuck
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JP5619587B2 (en
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Yoshiaki Nomoto
喜昭 野本
Akihiro Mizuno
晶博 水野
Yuhei Nakazawa
雄平 中沢
Junji Asai
淳治 浅井
Tomoyuki Ohira
倫之 大平
Kazuhiko Takada
和彦 高田
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Yazaki Corp
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Yazaki Corp
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Abstract

PROBLEM TO BE SOLVED: To smoothly and reliably insert a terminal in a connector housing even when a position of a core wire crimping part of each terminal is displaced from a center of an electric wire of a terminal with an electric wire in a vertical direction.SOLUTION: A terminal inserting device 1 comprises a pair of right and left terminal chucks 2 for inserting a terminal having an inward projection part 3 for supporting a terminal; a terminal pressing member 5 for pressing a core wire crimping part 4a of a terminal with an electric wire to the projection part 3 from above; measuring means 17 for measuring height of the core wire crimping part relative to the center of the electric wire 21; an up/down adjusting guide 9 for elevating the terminal chucks together with the terminal pressing member according to measuring results and correcting upward/downward inclination of the terminal; and a motor 10. The measuring means 17 measure the height of the core wire crimping part relative to the center of the electric wire while the core wire crimping part 4a is pressed to the projection part 3 from above.

Description

本発明は、電線付き端子をチャックで把持してコネクタハウジングに挿入する端子挿入装置及び端子挿入方法に関するものである。   The present invention relates to a terminal insertion device and a terminal insertion method for holding a terminal with an electric wire with a chuck and inserting the terminal into a connector housing.

従来、電線付き端子を絶縁性のコネクタハウジング内に挿入するために、種々の端子挿入装置及び端子挿入方法が提案されている。   Conventionally, various terminal insertion devices and terminal insertion methods have been proposed for inserting a terminal with an electric wire into an insulating connector housing.

例えば、特許文献１には、傾斜状のガイド面を有する一対の端子ガイド爪を用い、チャック爪で把持した電線付き端子をガイド面の中央に当てるべく、端子を傾斜させて保持したり、チャック爪を含む挿入ヘッドの高さを調整することが記載されている（図示せず）。   For example, in Patent Document 1, a pair of terminal guide claws having an inclined guide surface is used, and the terminal is inclined and held so that the terminal with an electric wire held by the chuck claws is applied to the center of the guide surface. It is described that the height of the insertion head including the nail is adjusted (not shown).

また、特許文献２には、Ｌ字状の下端部を有するチャック爪で電線付き端子を左右方向に挟むと共に、チャック爪のＬ字状の下端部との間で電線付き端子を端子押えで上下方向に挟んで位置決めさせることが記載されている（図示せず）。   In Patent Document 2, a terminal with an electric wire is sandwiched in a left-right direction by a chuck claw having an L-shaped lower end portion, and the terminal with an electric wire is moved up and down by a terminal presser between the L-shaped lower end portion of the chuck claw. It is described that it is positioned in a direction (not shown).

また、特許文献３には、シール部材の孔部に電線付き雌端子をスムーズに挿入するべく、雌端子の四角形の電気接触部の中心と電線の中心とを一致させた状態に雌端子と電線とを圧着接続させることが記載されている。   Further, in Patent Document 3, in order to smoothly insert the female terminal with electric wire into the hole of the seal member, the female terminal and the electric wire are in a state in which the center of the square electric contact portion of the female terminal is aligned with the center of the electric wire. And crimping connection.

特開平９−４５４５３号公報JP-A-9-45453 特開２００１−１７６６３５号公報JP 2001-176635 A 特開２０００−８２５３１号公報JP 2000-82531 A

図２（ａ）（ｂ）は、端子ガイド爪を用いずに、種類の異なる電線付き端子４1，４2をそれぞれ同一の端子チャック５１と電線チャック５２で把持してコネクタハウジングに挿入する例を示すものである。端子チャック５１は下端に各端子の芯線圧着部４ａを支持する水平な突出部５３を有している。 FIGS. 2A and 2B show examples in which different types of terminals 4 1 and 4 2 with electric wires are gripped by the same terminal chuck 51 and electric wire chuck 52 and inserted into the connector housing without using terminal guide claws. Is shown. The terminal chuck 51 has a horizontal projecting portion 53 that supports the core crimping portion 4a of each terminal at the lower end.

図２（ａ）の端子４1の芯線圧着部４ａの中心は電線２１1の中心ｍよりも下方にずれており、図２（ｂ）の端子４2の芯線圧着部４ａの中心は電線２１2の中心ｍと一致している。図２（ａ）（ｂ）において端子チャック５１の突出部５３の高さは同じであるので、図２（ａ）の端子４1の芯線圧着部４ａに対して電線２１1は電線チャック５２で高い位置で把持され、図２（ｂ）の端子４2の芯線圧着部４ａに対して電線２１2は電線チャック５２で低い位置で把持される。 Figure 2 center terminal 4 1 of core wire crimping portion 4a of (a) is shifted downward from the center m of the wire 21 1, the center of the terminal 4 2 of the core wire crimping portion 4a of FIG. 2 (b) electric wire 21 It coincides with the center m of 2 . Since the height of the protrusion 53 shown in FIG. 2 (a) (b) terminal chuck 51 in the same, wire 21 1 to the terminal 4 1 of core wire crimping portion 4a of FIG. 2 (a) in the wire chuck 52 is gripped at a high position, the wire 21 2 to the terminal 4 2 of the core wire crimping portion 4a of FIG. 2 (b) is held at a lower position in the wire chuck 52.

それにより、図２（ａ）の端子４1は前下がりに傾斜しやすく、図２（ｂ）の端子４2は前上がりに傾斜しやすくなる。この端子４1，４2の姿勢の崩れによって、各端子４1，４2の先端４ｂがコネクタハウジングの端子収容室の開口の上下端に干渉して、スムーズな挿入を行えなくなるという問題を生じてしまう。 Thus, FIG. 2 terminal 4 1 (a) is easily inclined forwardly downwards, the terminal 4 2 of FIG. 2 (b) is easily inclined forwardly upward. The collapse of the terminals 4 1, 4 2 position, interferes with the upper and lower ends of the openings of the terminals 4 1, 4 2 tip 4b the terminal accommodating chambers of the connector housing, cause problems that can not be performed smoothly inserted End up.

本発明は、上記した点に鑑み、電線付き端子の電線の中心に対して端子の芯線圧着部の位置が端子ごとに上下にずれている場合でも、端子をコネクタハウジング内にスムーズ且つ確実に挿入することのできる端子挿入装置及び端子挿入方法を提供することを目的とする。   In view of the above points, the present invention smoothly and reliably inserts a terminal into the connector housing even when the position of the core crimping portion of the terminal is shifted up and down with respect to the center of the electric wire of the terminal with electric wire. It is an object of the present invention to provide a terminal insertion device and a terminal insertion method that can be performed.

上記目的を達成するために、本発明の請求項１に係る端子挿入装置は、端子支持用の内向きの突出部を有する端子挿入用の左右一対の端子チャックと、該突出部に電線付き端子の芯線圧着部を上から押し付ける端子押圧部材と、該電線の中心に対する該芯線圧着部の高さを計測する計測手段と、計測結果に応じて該端子チャックを該端子押圧部材と一体に昇降させて該端子の上下方向の傾きを修正する上下調整ガイド及びモータとを備えることを特徴とする。   In order to achieve the above object, a terminal insertion device according to claim 1 of the present invention comprises a pair of left and right terminal chucks for inserting a terminal having an inward protruding portion for supporting a terminal, and a terminal with a wire in the protruding portion. A terminal pressing member for pressing the core wire crimping portion of the wire from above, measuring means for measuring the height of the core crimping portion with respect to the center of the electric wire, and raising and lowering the terminal chuck integrally with the terminal pressing member according to the measurement result A vertical adjustment guide for correcting the vertical inclination of the terminal and a motor.

上記構成により、左右一対の端子チャックとその突出部と端子押圧部材とで端子の芯線圧着部が四方から把持兼位置決めされる。電線の中心に対する芯線圧着部の高さは予め（電線付き端子の単体状態で）計測しておいてもよく、あるいは請求項２に記載するように、端子押圧部材を記芯線圧着部に押し付けた状態で計測してもよい（後者がベストである）。計測結果を予め登録した正規の芯線圧着部の高さと比較し、その結果に基づいて制御部がモータを所要の回転角度で駆動し、端子チャックが端子押圧部材と一体に上下調整ガイドに沿って昇降（上昇又は下降）し、端子の上下方向の傾きを修正し、端子を水平に位置させる。その状態で端子チャックが端子の先端部をコネクタハウジングの端子収容室内に初期挿入し（端子収容室の上下端縁に端子先端が干渉することがない）、電線チャックが端子を完全挿入する。   With the above configuration, the core wire crimping portion of the terminal is gripped and positioned from four directions by the pair of left and right terminal chucks, the protruding portion thereof, and the terminal pressing member. The height of the core wire crimping portion relative to the center of the electric wire may be measured in advance (in a single state of the terminal with the wire), or the terminal pressing member is pressed against the core wire crimping portion as described in claim 2. It may be measured in a state (the latter is the best). The measurement result is compared with the height of the regular core wire crimping part registered in advance, and the control unit drives the motor at the required rotation angle based on the result, and the terminal chuck is integrated with the terminal pressing member along the vertical adjustment guide. Move up and down (up or down), correct the vertical tilt of the terminal, and position the terminal horizontally. In this state, the terminal chuck initially inserts the tip of the terminal into the terminal housing chamber of the connector housing (the terminal tip does not interfere with the upper and lower edges of the terminal housing chamber), and the wire chuck completely inserts the terminal.

請求項２に係る端子挿入装置は、請求項１記載の端子挿入装置において、前記計測手段が、前記突出部に前記芯線圧着部を前記端子押圧部材で上から押し付けた状態で、前記電線の中心に対する該芯線圧着部の高さを計測するものであることを特徴とする。   The terminal insertion device according to claim 2 is the terminal insertion device according to claim 1, wherein the measuring means presses the core crimping portion against the protruding portion from above with the terminal pressing member. It measures the height of the core wire crimping part with respect to.

上記構成により、端子押圧部材を芯線圧着部に押し付けた状態で、芯線圧着部の高さが正確に計測され、計測結果に基づく端子の上下方向の傾きの修正が精度良く行われ、端子の挿入精度が高まる。計測手段は端子押圧部材に連結されたものであることが好ましい。   With the above configuration, the height of the core wire crimping portion is accurately measured in a state where the terminal pressing member is pressed against the core wire crimping portion, and the correction of the vertical inclination of the terminal based on the measurement result is performed accurately, and the terminal is inserted. Increases accuracy. The measuring means is preferably connected to a terminal pressing member.

請求項３に係る端子挿入方法は、端子支持用の内向きの突出部を有する左右一対の端子チャックで電線付き端子を把持し、予め、又は該突出部に該端子の芯線圧着部を端子押圧部材で上から押し付けた状態で、該電線の中心に対する該芯線圧着部の高さを計測手段で計測し、計測結果に応じて該端子チャックを該端子押圧部材と一体に上下調整ガイド及びモータで昇降させて、該端子の上下方向の傾きを修正し、その状態で該端子をコネクタハウジング内に挿入することを特徴とする。   According to a third aspect of the present invention, there is provided a terminal insertion method in which a terminal with an electric wire is gripped by a pair of left and right terminal chucks having inward protruding portions for supporting a terminal, and the core wire crimping portion of the terminal is pressed to the protruding portion in advance. With the member pressed from above, the height of the core wire crimping portion with respect to the center of the electric wire is measured by the measuring means, and the terminal chuck is integrated with the terminal pressing member and the vertical adjustment guide and motor according to the measurement result. The terminal is moved up and down to correct the vertical inclination of the terminal, and the terminal is inserted into the connector housing in this state.

上記構成により、左右一対の端子チャックとその突出部と端子押圧部材とで端子の芯線圧着部が四方から把持兼位置決めされる。電線の中心に対する芯線圧着部の高さは予め（電線付き端子の単体状態で）計測しておいてもよく、端子押圧部材を芯線圧着部に押し付けた状態で計測してもよい（後者がベストである）。計測結果を予め登録した正規の芯線圧着部の高さと比較し、その結果に基づいて制御部がモータを所要の回転角度で駆動し、端子チャックが端子押圧部材と一体に上下調整ガイドに沿って昇降（上昇又は下降）し、端子の上下方向の傾きを修正し、端子を水平に位置させる。その状態で端子チャックが端子の先端部をコネクタハウジングの端子収容室内に初期挿入し（端子収容室の上下端縁に端子先端が干渉することがない）、電線チャックが端子を完全挿入する。なお、端子押圧部材を芯線圧着部に押し付けた状態で計測する場合は、芯線圧着部の高さが正確に計測され、計測結果に基づく端子の上下方向の傾きの修正が精度良く行われ、端子の挿入精度が高まる。   With the above configuration, the core wire crimping portion of the terminal is gripped and positioned from four directions by the pair of left and right terminal chucks, the protruding portion thereof, and the terminal pressing member. The height of the core wire crimping portion relative to the center of the electric wire may be measured in advance (in a single terminal with a wire), or may be measured with the terminal pressing member pressed against the core wire crimping portion (the latter is the best). Is). The measurement result is compared with the height of the regular core wire crimping part registered in advance, and the control unit drives the motor at the required rotation angle based on the result, and the terminal chuck is integrated with the terminal pressing member along the vertical adjustment guide. Move up and down (up or down), correct the vertical tilt of the terminal, and position the terminal horizontally. In this state, the terminal chuck initially inserts the tip of the terminal into the terminal housing chamber of the connector housing (the terminal tip does not interfere with the upper and lower edges of the terminal housing chamber), and the wire chuck completely inserts the terminal. In addition, when measuring with the terminal pressing member pressed against the core wire crimping part, the height of the core wire crimping part is accurately measured, and the correction of the vertical tilt of the terminal based on the measurement result is performed with high accuracy. Insertion accuracy increases.

請求項１記載の発明によれば、電線付き端子の電線の中心に対して端子の芯線圧着部の位置が端子ごとに上下にずれている場合でも、端子をコネクタハウジング内に干渉等なくスムーズ且つ確実に挿入することができ、端子挿入ミスによるサブワイヤハーネスの生産性の低下を防ぐことができる。   According to the first aspect of the present invention, even when the position of the core crimping portion of the terminal is shifted up and down with respect to the center of the electric wire of the terminal with electric wire, the terminal can be smoothly and without interference in the connector housing. Insertion can be ensured, and a decrease in productivity of the sub-wire harness due to a terminal insertion error can be prevented.

請求項２記載の発明によれば、端子押圧部材を芯線圧着部に押し付けた状態で、芯線圧着部の高さを正確に計測して、計測結果に基づく端子の上下方向の傾きの修正を精度良く行って、端子の挿入精度を高めることができる。   According to the second aspect of the invention, the height of the core wire crimping portion is accurately measured in a state where the terminal pressing member is pressed against the core wire crimping portion, and the correction of the vertical inclination of the terminal based on the measurement result is accurate. It is possible to improve the insertion accuracy of the terminal by performing well.

請求項３記載の発明によれば、電線付き端子の電線の中心に対して端子の芯線圧着部の位置が端子ごとに上下にずれている場合でも、端子をコネクタハウジング内に干渉等なくスムーズ且つ確実に挿入することができ、端子挿入ミスによるサブワイヤハーネスの生産性の低下を防ぐことができる。また、端子押圧部材を芯線圧着部に押し付けた状態で、芯線圧着部の高さを正確に計測することで、計測結果に基づく端子の上下方向の傾きの修正を精度良く行って、端子の挿入精度を高めることができる。   According to the invention of claim 3, even when the position of the core crimping portion of the terminal is shifted up and down for each terminal with respect to the center of the electric wire of the terminal with electric wire, the terminal is smoothly and without interference in the connector housing. Insertion can be ensured, and a decrease in productivity of the sub-wire harness due to a terminal insertion error can be prevented. In addition, by accurately measuring the height of the core crimping part while pressing the terminal pressing member against the core crimping part, the terminal tilt can be accurately corrected based on the measurement result, and the terminal can be inserted. Accuracy can be increased.

本発明に係る端子挿入装置及び端子挿入方法の一実施形態を示す斜視図である。It is a perspective view showing one embodiment of a terminal insertion device and a terminal insertion method concerning the present invention. 従来の端子挿入方法の一形態における、（ａ）は正規の端子チャック状態、（ｂ）は端子が前上がりに傾斜してチャックされた状態をそれぞれ示す側面図である。In one form of the conventional terminal insertion method, (a) is a regular terminal chuck state, and (b) is a side view showing a state where the terminal is chucked while being tilted forward.

図１は、本発明に係る端子挿入装置及び端子挿入方法の一実施形態を示すものである。   FIG. 1 shows an embodiment of a terminal insertion device and a terminal insertion method according to the present invention.

端子挿入装置１は、左右一対の端子チャック２と、端子チャック２の下端の水平な突出部３に端子４を押し付ける上側の端子押圧部材５と、一対の端子チャック２を開閉させるエアチャックシリンダ６と、端子押圧部材５を昇降させるエアシリンダ７と、エアチャックシリンダ６とエアシリンダ７とを固定したブロック部８と、ブロック部８を上下方向スライド自在に係合させた垂直なレール状の上下調整ガイド９と、上下調整ガイド９に沿ってブロック部８を昇降駆動させるサーボモータ（モータ）１０とを備えるものである。   The terminal insertion device 1 includes a pair of left and right terminal chucks 2, an upper terminal pressing member 5 that presses a terminal 4 against a horizontal protrusion 3 at the lower end of the terminal chuck 2, and an air chuck cylinder 6 that opens and closes the pair of terminal chucks 2. And an air cylinder 7 for raising and lowering the terminal pressing member 5, a block portion 8 to which the air chuck cylinder 6 and the air cylinder 7 are fixed, and a vertical rail-like upper and lower engaged with the block portion 8 slidably in the vertical direction. An adjustment guide 9 and a servo motor (motor) 10 that drives the block unit 8 up and down along the vertical adjustment guide 9 are provided.

一対の端子チャック２のうちの少なくとも何れか一方、好ましくは両方に内向きの水平な突出部３が設けられている。一対の端子チャック２は左右に対向して位置し、何れか一方の突出部３は長く形成され、両方の各突出部３は短く形成され、何れか一方又は両方の突出部３は端子４の横幅よりも短く形成されている。   An inward horizontal projection 3 is provided on at least one of the pair of terminal chucks 2, preferably both. The pair of terminal chucks 2 are positioned facing left and right, one of the protrusions 3 is formed long, both the protrusions 3 are formed short, and one or both of the protrusions 3 are the terminals 4. It is formed shorter than the lateral width.

端子チャック２は垂直な長板部１１と、長板部１１の下部において内向きに段差状に突出した薄板状の短い爪部１２と、爪部１２の下端から内向きに突出した突出部３と、長板部１１の上端において後方に折り曲げられた水平な鍔部１３とを備えている。   The terminal chuck 2 includes a vertical long plate portion 11, a thin plate-like short claw portion 12 that protrudes inwardly at a lower portion of the long plate portion 11, and a protruding portion 3 that protrudes inward from the lower end of the claw portion 12. And a horizontal flange 13 bent rearward at the upper end of the long plate portion 11.

端子押圧部材５は矩形板状に形成され、一対の端子チャック２の長板部１１の間において爪部１２の後面１２ａに摺動自在に接触する。端子押圧部材５の上端に垂直なロッド１４が固定され、ロッド１４は一対の長板部１１の間を経て上方に延長されてエアシリンダ（市販の両ロッドシリンダ）７の本体（符号７で代用）を貫通し、ロッド１４の上端部１４ａは水平な連結部材１５を介して平行なサイドロッド１６に連結され、サイドロッド１６は例えば変位検出センサ（計測手段）１７の一部として作用し、変位検出センサ１７はサーボモータ１０の制御部に回路接続されている。   The terminal pressing member 5 is formed in a rectangular plate shape, and slidably contacts the rear surface 12 a of the claw portion 12 between the long plate portions 11 of the pair of terminal chucks 2. A rod 14 perpendicular to the upper end of the terminal pressing member 5 is fixed, and the rod 14 is extended upward through a pair of long plate portions 11 to substitute for a main body (symbol 7) of an air cylinder (commercially available rod cylinder) 7. ), And the upper end portion 14a of the rod 14 is connected to a parallel side rod 16 via a horizontal connecting member 15. The side rod 16 acts as a part of a displacement detection sensor (measuring means) 17, for example. The detection sensor 17 is circuit-connected to the control unit of the servo motor 10.

一対の端子チャック２の爪部１２の垂直な内面１２ｂが端子４の芯線圧着部４ａの左右の側面を把持し、突出部３の水平な上面が芯線圧着部４ａの水平な底面を支持する。端子押圧部材５の水平な下面は芯線圧着部４ａの水平な上面を下向きに押圧して、突出部３との間に芯線圧着部４ａを挟持する。   The vertical inner surfaces 12b of the claw portions 12 of the pair of terminal chucks 2 hold the left and right side surfaces of the core wire crimping portion 4a of the terminal 4, and the horizontal upper surface of the protruding portion 3 supports the horizontal bottom surface of the core wire crimping portion 4a. The horizontal lower surface of the terminal pressing member 5 presses the horizontal upper surface of the core wire crimping portion 4 a downward, and the core wire crimping portion 4 a is sandwiched between the protruding portion 3.

芯線圧着部４ａは電線２１の導電部（芯線）を左右一対の前側の圧着片で圧着した（加締めた）部分である（図２参照）。芯線圧着部４ａの後側には芯線圧着部４ａよりも高く絶縁被覆圧着部が位置する（図２参照）。図１では雌端子４を図示しているが、雄端子（図示せず）の場合も芯線圧着部４ａを端子チャック２と突出部３と端子押圧部材５とで四方から挟持することは同様である。   The core wire crimping portion 4a is a portion where the conductive portion (core wire) of the electric wire 21 is crimped (crimped) with a pair of left and right front crimping pieces (see FIG. 2). The insulation coating crimping portion is positioned higher than the core wire crimping portion 4a on the rear side of the core wire crimping portion 4a (see FIG. 2). In FIG. 1, the female terminal 4 is illustrated, but in the case of a male terminal (not shown), the core wire crimping portion 4 a is sandwiched from the four sides by the terminal chuck 2, the projecting portion 3, and the terminal pressing member 5. is there.

一対の端子チャック２の上端の鍔部１３は水平な一対のスライダ１８を介して左右方向の水平なガイドレール１９にスライド自在に係合し、一対のスライダ１８は上側のチャックシリンダ６で端子チャック２と一体に左右方向に開閉移動する。   The flanges 13 at the upper ends of the pair of terminal chucks 2 are slidably engaged with horizontal guide rails 19 in the left-right direction via a pair of horizontal sliders 18, and the pair of sliders 18 are connected to the terminal chuck by the upper chuck cylinder 6. 2 to open and close in the left-right direction.

チャックシリンダ６の前側にエアシリンダ７が位置し、チャックシリンダ６の上側に板状のブロック部８が固定され、ブロック部８にブラケット２０を介してエアシリンダ７が固定され、ブロック部８の後側のスライダ２２が垂直な上下調整ガイド９のレール部２３に上下方向スライド自在に係合し、ブロック部８の後側の例えば固定ナット（図示せず）に上下調整ガイド８の例えば垂直なねじ軸（図示せず）が歯合し、ねじ軸の上端に固定された歯付きプーリ（図示せず）に水平な歯付きベルト２４の前部が歯合し、後側の垂直なサーボモータ１０の軸２５に固定された歯付きプーリ２６が歯付きベルト２４の後部に歯合している。   An air cylinder 7 is positioned on the front side of the chuck cylinder 6, a plate-like block portion 8 is fixed on the upper side of the chuck cylinder 6, and the air cylinder 7 is fixed to the block portion 8 via a bracket 20. The slider 22 on the side engages with the rail portion 23 of the vertical vertical adjustment guide 9 so as to be slidable in the vertical direction, and for example, a vertical screw of the vertical adjustment guide 8 is fixed to, for example, a fixing nut (not shown) on the rear side of the block portion 8. A shaft (not shown) meshes, a front portion of a horizontal toothed belt 24 meshes with a toothed pulley (not shown) fixed to the upper end of the screw shaft, and the vertical servo motor 10 on the rear side. A toothed pulley 26 fixed to the shaft 25 is engaged with the rear portion of the toothed belt 24.

少なくとも端子チャック２と端子押圧部材５と各シリンダ６，７と上下調整ガイド８とサーボモータ１０とで端子挿入装置の端子挿入ヘッド１が構成され、端子挿入ヘッド１は不図示の装置本体の前後方向の水平なエアシリンダとガイドレールで前後に進退可能で、且つ左右方向の水平なガイドレールとモータとねじ軸等といった不図示の駆動手段で左右に移動可能である。   At least the terminal chuck 2, the terminal pressing member 5, the cylinders 6, 7, the vertical adjustment guide 8, and the servo motor 10 constitute the terminal insertion head 1 of the terminal insertion device. It can be moved back and forth with a horizontal air cylinder and guide rail in the direction, and can be moved left and right with drive means (not shown) such as a horizontal guide rail, motor and screw shaft in the left and right direction.

以下に端子挿入装置１の作用及び端子挿入方法を説明する。サーボモータ１０の例えば正転で端子チャック２が端子押圧部材５や各シリンダ６，７等と一体に上昇し、サーボモータ１０の逆転で端子チャック２が端子押圧部材５や各シリンダ６，７等と一体に下降する。端子チャック２の上下方向の移動量は電線２１の中心と端子４の芯線圧着部４ａの中心との上下方向のずれ量に応じてサーボモータ１０の制御部で数値制御される。   The operation of the terminal insertion device 1 and the terminal insertion method will be described below. For example, when the servo motor 10 rotates forward, the terminal chuck 2 rises integrally with the terminal pressing member 5 and each cylinder 6, 7, etc., and when the servo motor 10 rotates backward, the terminal chuck 2 moves to the terminal pressing member 5, each cylinder 6, 7, etc. And go down together. The amount of movement of the terminal chuck 2 in the vertical direction is numerically controlled by the controller of the servo motor 10 in accordance with the amount of vertical displacement between the center of the electric wire 21 and the center of the core wire crimping portion 4a of the terminal 4.

端子チャック２の後方には不図示の左右一対の電線チャックが配置される。電線チャックが電線２１の絶縁被覆部を把持し、端子チャック２が端子４の芯線圧着部４ａを把持し、端子押圧部材５が芯線圧着部４ａを端子チャック２の突出部３に押し付けて固定する。   A pair of left and right electric wire chucks (not shown) is disposed behind the terminal chuck 2. The wire chuck grips the insulation coating portion of the wire 21, the terminal chuck 2 grips the core wire crimping portion 4 a of the terminal 4, and the terminal pressing member 5 presses and fixes the core wire crimping portion 4 a against the protruding portion 3 of the terminal chuck 2. .

この状態で、端子押圧部材５に続く（連結された）変位センサ１７が芯線圧着部４ａの高さを計測し、電線中心に対する芯線圧着部４ａの高さ（厚さ）、すなわち電線中心から芯線圧着部４ａの底面までの垂直距離（図２の符号ｈ参照）をサーボモータ１０の制御部が端子４ごとに算出して、予め入力された基準値と比較して、端子チャック２で把持した端子４の位置（高さ）をサーボモータ１０の回転で調整して、端子４の上下方向の傾き（端子姿勢）を修正する。   In this state, the displacement sensor 17 following (connected) the terminal pressing member 5 measures the height of the core wire crimping portion 4a, and the height (thickness) of the core wire crimping portion 4a with respect to the center of the wire, that is, the core wire from the center of the wire. The control unit of the servo motor 10 calculates the vertical distance to the bottom surface of the crimping part 4a (see symbol h in FIG. 2) for each terminal 4 and compares it with a reference value inputted in advance and grips it with the terminal chuck 2. The position (height) of the terminal 4 is adjusted by the rotation of the servo motor 10 to correct the vertical inclination (terminal posture) of the terminal 4.

例えば、図２（ａ）のように端子４1の芯線圧着部４ａの中心が電線２１1の中心ｍよりも低く、端子４1が前下がりに傾斜する場合は、図１の端子チャック２を上下調整ガイド９に沿って少し上昇させて、端子４1を水平に位置させる。図２（ｂ）のように端子４2の芯線圧着部４ａの中心が電線２１2の中心ｍにほぼ一致し、端子４2が前上がりに傾斜する場合は、図１の端子チャック２を上下調整ガイド９に沿って少し下降させて、端子４2を水平に位置させる。 For example, FIGS. 2 (a) like the center of the terminal 4 1 of core wire crimping portion 4a is lower than the center m of the wire 21 1, when the terminal 4 1 is inclined forwardly downward, the terminal chuck 2 of Figure 1 vertical adjustment guide 9 to slightly raised along, to position the terminal 4 1 horizontally. The center of the terminal 4 2 of the core wire crimping portion 4a as shown in FIG. 2 (b) is substantially coincident with the center m of the wire 21 2, when the terminal 4 2 is tilted forwardly upwardly, the upper and lower terminals chuck 2 of Figure 1 by slightly along the adjustment guide 9 descends, to position the terminal 4 2 horizontally.

このように、電線２１の中心から端子４の芯線圧着部４ａの底面までの垂直距離ｈに応じて、端子４の姿勢を修正した状態で、端子４を不図示のコネクタハウジングに挿入する。これにより、端子４の先端（前端）４ｂがコネクタハウジングの端子収容室の上下の端縁に干渉することなく、端子４が端子収容室にスムーズに挿入される。   In this way, the terminal 4 is inserted into a connector housing (not shown) with the posture of the terminal 4 corrected in accordance with the vertical distance h from the center of the electric wire 21 to the bottom surface of the core wire crimping portion 4a of the terminal 4. Thereby, the terminal 4 is smoothly inserted into the terminal accommodating chamber without the front end (front end) 4b of the terminal 4 interfering with the upper and lower edges of the terminal accommodating chamber of the connector housing.

コネクタハウジングの端子収容室に対する端子４の中心の上下方向の位置規定は上下調整ガイド９に沿って端子チャック２を大きく昇降させることで行う。端子４を上下調整ガイド９に沿って端子チャック２で大きく昇降させると同時に、あるいはその前又は後に、変位検出センサ１７で芯線圧着部４ａの高さを計測して端子４の姿勢を矯正する。上下調整ガイド９以外に、上下調整ガイド９による駆動と同時に他の駆動手段（図示せず）で端子チャック２を大きく昇降させることも可能である。端子４の前後方向の移動は不図示の水平なエアシリンダを含む駆動手段で行われる。   The position of the center of the terminal 4 in the vertical direction relative to the terminal housing chamber of the connector housing is determined by moving the terminal chuck 2 up and down along the vertical adjustment guide 9. At the same time as or before or after the terminal 4 is moved up and down along the vertical adjustment guide 9 by the terminal chuck 2, the height of the core wire crimping portion 4 a is measured by the displacement detection sensor 17 to correct the posture of the terminal 4. In addition to the vertical adjustment guide 9, the terminal chuck 2 can be moved up and down by other driving means (not shown) simultaneously with the driving by the vertical adjustment guide 9. The terminal 4 is moved in the front-rear direction by driving means including a horizontal air cylinder (not shown).

端子４を把持した端子チャック２が不図示の水平なエアシリンダの駆動で前進して、不図示のコネクタハウジングの所要の端子収容室に端子４の先端部（前端部）４ｂを挿入（初期挿入）し、端子チャック２が端子４の把持を解除し（端子４を解放し）、端子チャック２が端子押圧部材５と一体に上下調整ガイド９で上昇して端子４から離間し、不図示の電線チャックが不図示のエアシリンダ等の駆動手段で前進して、端子４を完全に端子挿入室に挿入する。端子４は端子収容室内の係止ランスで係止される。   The terminal chuck 2 holding the terminal 4 moves forward by driving a horizontal air cylinder (not shown), and inserts a front end portion (front end portion) 4b of the terminal 4 into a required terminal accommodating chamber of a connector housing (not shown) (initial insertion). The terminal chuck 2 releases the terminal 4 (releases the terminal 4), and the terminal chuck 2 is lifted up by the vertical adjustment guide 9 integrally with the terminal pressing member 5 and separated from the terminal 4, and is not shown. The wire chuck is advanced by driving means such as an air cylinder (not shown), and the terminal 4 is completely inserted into the terminal insertion chamber. The terminal 4 is locked by a locking lance in the terminal accommodating chamber.

なお、変位検出センサ１７を用いずに、端子４の種類ごとに数個の電線付き端子４の電線中心に対する芯線圧着部４ａの高さ（電線中心から芯線圧着部４ａの底面までの垂直距離ｈ）をゲージ等で測定して、その平均値を基にして、サーボモータ１０で端子チャック２すなわち端子４の上下位置を規定して、端子４の姿勢を修正することも可能である。但し、この場合は、上記のように端子４の芯線圧着部４ａの高さを一つずつ個別に変位検出センサ１７で計測する場合に較べて挿入精度が低下することは否めない。   In addition, without using the displacement detection sensor 17, the height of the core wire crimping portion 4a with respect to the wire center of the terminal 4 with several wires for each type of terminal 4 (the vertical distance h from the wire center to the bottom surface of the core wire crimping portion 4a). ) Is measured with a gauge or the like, and the vertical position of the terminal chuck 2, that is, the terminal 4 is defined by the servo motor 10 based on the average value, and the attitude of the terminal 4 can be corrected. However, in this case, it cannot be denied that the insertion accuracy is lowered as compared with the case where the height of the core wire crimping portion 4a of the terminal 4 is individually measured by the displacement detection sensor 17 as described above.

本発明に係る端子挿入装置及び端子挿入方法は、端子の種類ないし個々の端子ごとに端子のチャック高さを調整して、端子の姿勢（傾き）を修正し、電線付き端子をミスなくスムーズにコネクタハウジングに挿入して、複数本の電線とコネクタとで成るサブワイヤハーネスの生産性を高めるために利用することができる。   The terminal insertion device and the terminal insertion method according to the present invention adjust the chuck height of the terminal for each type of terminal or each terminal, correct the attitude (tilt) of the terminal, and make the terminal with electric wire smooth without error. It can be used to increase the productivity of a sub-wire harness that is inserted into a connector housing and includes a plurality of electric wires and connectors.

１ 端子挿入装置
２ 端子チャック
３ 突出部
４ 端子
４ａ 芯線圧着部
５ 端子押圧部材
９ 上下調整ガイド
１０ サーボモータ（モータ）
１７ 変位検出センサ（計測手段）
２１ 電線 DESCRIPTION OF SYMBOLS 1 Terminal insertion apparatus 2 Terminal chuck 3 Protrusion part 4 Terminal 4a Core wire crimping part 5 Terminal pressing member 9 Vertical adjustment guide 10 Servo motor (motor)
17 Displacement detection sensor (measuring means)
21 Electric wire

Claims (3)

端子支持用の内向きの突出部を有する端子挿入用の左右一対の端子チャックと、該突出部に電線付き端子の芯線圧着部を上から押し付ける端子押圧部材と、該電線の中心に対する該芯線圧着部の高さを計測する計測手段と、計測結果に応じて該端子チャックを該端子押圧部材と一体に昇降させて該端子の上下方向の傾きを修正する上下調整ガイド及びモータとを備えることを特徴とする端子挿入装置。   A pair of left and right terminal chucks for inserting a terminal having an inward protruding portion for supporting the terminal, a terminal pressing member for pressing the core wire crimping portion of the terminal with the electric wire from above onto the protruding portion, and the core wire crimping to the center of the electric wire Measuring means for measuring the height of the part, and a vertical adjustment guide and a motor for correcting the vertical inclination of the terminal by raising and lowering the terminal chuck integrally with the terminal pressing member according to the measurement result. A terminal insertion device. 前記計測手段が、前記突出部に前記芯線圧着部を前記端子押圧部材で上から押し付けた状態で、前記電線の中心に対する該芯線圧着部の高さを計測するものであることを特徴とする請求項１記載の端子挿入装置。   The measuring means measures the height of the core crimping portion with respect to the center of the electric wire in a state where the core crimping portion is pressed against the protruding portion from above with the terminal pressing member. Item 1. The terminal insertion device according to Item 1. 端子支持用の内向きの突出部を有する左右一対の端子チャックで電線付き端子を把持し、予め、又は該突出部に該端子の芯線圧着部を端子押圧部材で上から押し付けた状態で、該電線の中心に対する該芯線圧着部の高さを計測手段で計測し、計測結果に応じて該端子チャックを該端子押圧部材と一体に上下調整ガイド及びモータで昇降させて、該端子の上下方向の傾きを修正し、その状態で該端子をコネクタハウジング内に挿入することを特徴とする端子挿入方法。   The terminal with the electric wire is gripped by a pair of left and right terminal chucks having inward protruding portions for supporting the terminal, and the core wire crimping portion of the terminal is pressed against the protruding portion from above with a terminal pressing member. The height of the core crimping portion with respect to the center of the electric wire is measured by a measuring means, and the terminal chuck is moved up and down integrally with the terminal pressing member by a vertical adjustment guide and a motor according to the measurement result, A terminal insertion method comprising correcting the inclination and inserting the terminal into the connector housing in that state.
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