JP5850808B2 - Rubber plug insertion device and rubber plug insertion method - Google Patents

Rubber plug insertion device and rubber plug insertion method Download PDF

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JP5850808B2
JP5850808B2 JP2012152842A JP2012152842A JP5850808B2 JP 5850808 B2 JP5850808 B2 JP 5850808B2 JP 2012152842 A JP2012152842 A JP 2012152842A JP 2012152842 A JP2012152842 A JP 2012152842A JP 5850808 B2 JP5850808 B2 JP 5850808B2
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rubber plug
holder
electric wire
rubber
hole
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JP2014017946A (en
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正佳 竹内
正佳 竹内
喜昭 野本
喜昭 野本
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Yazaki Corp
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Yazaki Corp
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Priority to JP2012152842A priority Critical patent/JP5850808B2/en
Priority to CN201380036201.0A priority patent/CN104521084B/en
Priority to PCT/JP2013/068219 priority patent/WO2014007275A1/en
Publication of JP2014017946A publication Critical patent/JP2014017946A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/04—Cable-end sealings
    • H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
    • H02G15/046—Cable-end sealings with end caps, e.g. sleeve closed at one end with bores or protruding portions allowing passage of cable conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet

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  • Processing Of Terminals (AREA)
  • Installation Of Indoor Wiring (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Description

本発明は、コネクタの端子収容室の防水のために電線の端末に防水用のゴム栓を挿入するゴム栓挿入装置及びゴム栓挿入方法に関するものである。   The present invention relates to a rubber plug insertion device and a rubber plug insertion method for inserting a waterproof rubber plug into a terminal of an electric wire for waterproofing a terminal accommodating chamber of a connector.

従来、コネクタの端子収容室の防水を行うために、端子を接続させる電線の外周面にゴム栓を挿入（外挿）することが周知である。   Conventionally, it is well known that a rubber plug is inserted (extrapolated) into the outer peripheral surface of an electric wire to which a terminal is connected in order to waterproof the terminal accommodating chamber of the connector.

従来のゴム栓挿入装置として、例えば特許文献１（図示せず）には、回転装置の四方にゴム栓挿入用の心棒（ゴム栓保持ピン）をそれぞれ配設し、回転装置の第一ステーションで心棒にゴム栓を挿入し、回転装置の第二ステーションで心棒にゴム栓を位置決めし、回転装置の第四ステーションでゴム栓の電線挿通用の孔部に分割式の管状突出部を挿入してゴム栓を拡径し、管状突出部内に電線の端末部を挿通させ、分割式のゴム栓受容部（ゴム栓ホルダ）でゴム栓を心棒から離脱させて電線に挿入させ、管状突出部とゴム栓受容部とを開いて電線から離脱させるようにした装置が記載されている。   As a conventional rubber plug insertion device, for example, in Patent Document 1 (not shown), a rubber plug insertion mandrel (rubber plug holding pin) is disposed on each side of the rotation device, and the first device of the rotation device is used. Insert a rubber stopper into the mandrel, position the rubber stopper on the mandrel at the second station of the rotating device, and insert a split tubular protrusion into the hole for inserting the rubber plug at the fourth station of the rotating device. The diameter of the rubber plug is expanded, the end of the wire is inserted into the tubular protrusion, the rubber plug is received from the mandrel using a split-type rubber plug receiving portion (rubber plug holder), and inserted into the wire. The tubular protrusion and rubber A device is described in which the plug receptacle is opened and removed from the wire.

また、特許文献２（図示せず）には、回転ユニットの四方にそれぞれゴム栓保持棒を配設し、回転ユニットの第一ステーションでゴム栓ガイドのガイド溝内のゴム栓を押し込み棒で押してゴム栓保持棒に挿入させ、回転ユニットの第二ステーションで分割式のゴム栓ホルダでゴム栓をゴム栓保持棒（ゴム栓保持ピン）から電線の端末部にスライド移動させるようにしたゴム栓挿入装置が記載されている。   Further, in Patent Document 2 (not shown), rubber stopper holding rods are arranged on each side of the rotary unit, and the rubber stopper in the guide groove of the rubber stopper guide is pushed by the push-in stick at the first station of the rotary unit. Inserting the rubber plug into the rubber plug holding rod and sliding the rubber plug from the rubber plug holding rod (rubber plug holding pin) to the end of the wire with the split type rubber plug holder at the second station of the rotary unit An apparatus is described.

特開平７−７８３３号公報（図４）Japanese Patent Laid-Open No. 7-7833 (FIG. 4) 特開２０００−１８４５４７号公報（図１）JP 2000-184547 A (FIG. 1)

しかしながら、上記特許文献１のゴム栓挿入装置にあっては、ゴム栓を管状突出部で拡径させるために、ゴム栓の弾性力が低下して電線の外周面へのゴム栓の密着性が低下し兼ねないという懸念があった。また、特許文献２のゴム栓挿入装置にあっては、ゴム栓ホルダ内にゴム栓を保持した状態で電線の端末にゴム栓を挿入する際に、ゴム栓ホルダ内のゴム栓が軸方向や径方向に位置ずれしたり、電線の端末との芯ずれを生じて、電線の端末へのゴム栓の挿入性が低下し兼ねないという懸念があった。   However, in the rubber plug insertion device of Patent Document 1, since the rubber plug is expanded by the tubular projecting portion, the elastic force of the rubber plug is reduced and the adhesion of the rubber plug to the outer peripheral surface of the electric wire is reduced. There was concern that it could decline. Further, in the rubber plug insertion device of Patent Document 2, when the rubber plug is inserted into the end of the electric wire with the rubber plug held in the rubber plug holder, the rubber plug in the rubber plug holder There is a concern that the position of the rubber plug may be shifted in the radial direction or may be misaligned with the end of the electric wire, so that the insertability of the rubber plug into the end of the electric wire may be deteriorated.

また、特許文献１，２のゴム栓挿入装置にあっては、回動式のゴム栓保持ピンに対してゴム栓ホルダを開閉及び昇降等の動作で移動させなければならないために、構造が大型化して大きな占有スペースを必要とするという懸念があった。さらに、一種類のゴム栓の挿入のみしか行うことができず、複数種（多種類）のゴム栓を選択的に挿入することはできなかった。多種類のゴム栓に対応しようとすれば、ゴム栓挿入装置が大型化して工場内のスペースを大きく占有し兼ねないという懸念があった。   Further, in the rubber plug insertion device of Patent Documents 1 and 2, since the rubber plug holder must be moved by opening / closing and raising / lowering operations with respect to the rotating rubber plug holding pin, the structure is large. There was a concern that it would require a large occupied space. Furthermore, only one type of rubber plug could be inserted, and multiple types (multiple types) of rubber plugs could not be selectively inserted. If it was going to cope with many kinds of rubber plugs, there was a concern that the rubber plug insertion device would become large and occupy a large space in the factory.

本発明は、上記した点に鑑み、ゴム栓ホルダ内のゴム栓と電線の端末との芯ずれを防いで、ゴム栓を電線の端末に確実に挿入することができるゴム栓挿入装置及びゴム栓挿入方法を提供することを第一の目的とする。また、ゴム栓保持ピンとゴム栓ホルダとの関連構造をコンパクト化、省スペース化することができて、複数種のゴム栓の挿入にコンパクト、省スペースで対応することのできるゴム栓挿入装置を提供することを第二の目的とする。   In view of the above, the present invention prevents a misalignment between the rubber plug in the rubber plug holder and the end of the electric wire, and can securely insert the rubber plug into the end of the electric wire and the rubber plug. The first object is to provide an insertion method. In addition, the rubber plug insertion device can be compact and space-saving for the insertion of multiple types of rubber plugs, as the related structure of the rubber plug holding pin and the rubber plug holder can be made compact and space-saving. The second purpose is to do.

上記目的を達成するために、本発明の請求項１に係るゴム栓挿入装置は、ゴム栓保持孔と該ゴム栓保持孔よりも小径なピン挿通孔とを連通して有するゴム栓ホルダと、該ピン挿通孔から該ゴム栓保持孔にかけてスライド自在に挿入されるゴム栓保持ピンと、該ゴム栓ホルダの凹部に係合するフック部と、該フック部と該凹部との係合時に該ゴム栓保持孔の開口側の端面に当接すると共に、固定側の電線の端末を軸方向スライド自在に支持する電線ガイド本体と、を有して、該ゴム栓ホルダを該電線の端末に向けて一体に移動させる一対の開閉可能な電線ガイドと、を備えたことを特徴とする。   In order to achieve the above object, a rubber plug insertion device according to claim 1 of the present invention comprises a rubber plug holder having a rubber plug holding hole and a pin insertion hole having a smaller diameter than the rubber plug holding hole, A rubber plug holding pin that is slidably inserted from the pin insertion hole to the rubber plug holding hole, a hook portion that engages with a concave portion of the rubber plug holder, and the rubber plug when the hook portion and the concave portion are engaged. A wire guide main body that abuts the end face of the holding hole on the opening side and supports the end of the wire on the fixed side so as to be slidable in the axial direction, and the rubber plug holder is integrated toward the end of the wire. And a pair of openable and closable electric wire guides to be moved.

上記構成により、ゴム栓ホルダのゴム栓保持孔内にゴム栓が挿入されると同時に、ゴム栓の孔部にゴム栓保持ピンが挿入（圧入）され、一対の電線ガイド本体が閉じて固定側の電線の端末を軸方向スライド自在に支持して、電線の端末の振れ（芯ずれ）を防いだ状態で、電線ガイド本体の後端面がゴム栓ホルダの前端面すなわちゴム栓保持孔の開口側の端面に当接して、ゴム栓ホルダの前端面と電線ガイド本体の後端面との間の隙間をなくして、隙間からのゴム栓の先端部のはみ出しを阻止する（ゴム栓の先端部のはみ出しがあると、ゴム栓が径方向に位置ずれして、電線の先端にゴム栓の孔部がスムーズに案内されずに挿入不良をおこしやすい）。ゴム栓保持孔が一対の電線ガイド本体の間の電線挿通空間に連通し、ゴム栓（大径のゴム栓の場合）がゴム栓ホルダのゴム栓保持孔内に電線ガイド本体の後端面で閉じ込められた状態で、電線の端末に確実に挿入される。すなわち、一対の電線ガイド本体が電線を支持するために閉じると同時に電線ガイドのフック部がゴム栓ホルダの凹部に進入係合し、その状態で電線ガイドが前進し、ゴム栓保持ピンはゴム栓ホルダ内に取り残されて、電線ガイドと一体にゴム栓ホルダのみが電線の端末（先端）に向けて前進し、電線の端末に沿って一対の電線ガイド本体がスライドしつつ、電線の端末にゴム栓ホルダ内のゴム栓が確実に挿入される。   With the above configuration, the rubber plug is inserted into the rubber plug holding hole of the rubber plug holder, and at the same time, the rubber plug holding pin is inserted (press-fitted) into the hole portion of the rubber plug, and the pair of wire guide bodies are closed and fixed. The rear end surface of the wire guide body is the front end surface of the rubber plug holder, that is, the opening side of the rubber plug holding hole. The gap between the front end face of the rubber plug holder and the rear end face of the wire guide main body is eliminated to prevent the rubber plug tip from protruding from the gap. If there is, the rubber plug will be displaced in the radial direction, and the hole of the rubber plug will not be smoothly guided to the tip of the electric wire, which is likely to cause a poor insertion). The rubber plug holding hole communicates with the wire insertion space between the pair of wire guide bodies, and the rubber plug (in the case of a large diameter rubber plug) is confined in the rubber plug holding hole of the rubber plug holder at the rear end surface of the wire guide body. In this state, it is securely inserted into the end of the electric wire. That is, at the same time the pair of wire guide bodies close to support the wire, the hook portion of the wire guide enters and engages the recess of the rubber plug holder, and the wire guide advances in this state, and the rubber plug holding pin is the rubber plug. The rubber plug holder is left in the holder, and only the rubber plug holder moves forward toward the end (tip) of the electric wire integrally with the electric wire guide, and the pair of electric wire guide bodies slide along the end of the electric wire. The rubber stopper in the stopper holder is securely inserted.

請求項２に係るゴム栓挿入装置は、請求項１記載のゴム栓挿入装置において、前記ゴム栓ホルダが前後一対配設され、該一対のゴム栓ホルダがばね部材で相互に接近する方向に付勢され、該一対のゴム栓ホルダに前記ゴム栓保持ピンの前後のピン部が挿入されて、ホルダ組立体を構成し、該ホルダ組立体が前後反転可能に配置され、後側のゴム栓ホルダにゴム栓が供給され、前側のゴム栓ホルダからゴム栓が前記電線の端末に挿入されることを特徴とする。   A rubber plug insertion device according to a second aspect is the rubber plug insertion device according to the first aspect, wherein the rubber plug holders are provided in a pair in the front and rear directions, and the pair of rubber plug holders are attached to each other by spring members. The front and rear pin portions of the rubber plug holding pins are inserted into the pair of rubber plug holders to constitute a holder assembly, and the holder assembly is disposed so that the front and rear can be reversed. And a rubber plug is inserted into the end of the electric wire from the front rubber plug holder.

上記構成により、後側のゴム栓ホルダにゴム栓供給手段でゴム栓が供給され（ゴム栓保持孔にゴム栓が押し込められ）、ゴム栓保持孔内のピン部にゴム栓の孔部が挿入（圧入）される。ホルダ組立体が反転駆動手段で前後１８０°反転して、後側のゴム栓ホルダが前側に移動し（前側のゴム栓ホルダとなり）、前側のゴム栓ホルダが後側に移動する（後側のゴム栓ホルダとなる）。前側のゴム栓ホルダから固定側の電線の端末にゴム栓が挿入される。すなわち、前側のゴム栓ホルダがばね部材の付勢に抗して電線の端末に向けて電線ガイドと一体に前進し、電線の端末にゴム栓を挿入する。一対の電線ガイドを開くことで、電線ガイドのフック部がゴム栓ホルダの凹部から離脱して、前側のゴム栓ホルダがばね部材の付勢力で後退して原位置に復帰する。   With the above configuration, the rubber plug is supplied to the rear rubber plug holder by the rubber plug supply means (the rubber plug is pushed into the rubber plug holding hole), and the hole of the rubber plug is inserted into the pin portion in the rubber plug holding hole. (Press-fit) The holder assembly is reversed 180 ° front and back by the reversing drive means, the rear rubber plug holder moves to the front (becomes the front rubber plug holder), and the front rubber plug holder moves to the rear (rear side It becomes a rubber stopper holder). A rubber plug is inserted from the front rubber plug holder to the end of the fixed-side electric wire. That is, the front rubber plug holder moves forward with the wire guide toward the end of the electric wire against the bias of the spring member, and inserts the rubber plug into the end of the electric wire. By opening the pair of electric wire guides, the hook portion of the electric wire guide is detached from the concave portion of the rubber plug holder, and the front rubber plug holder is retracted by the urging force of the spring member to return to the original position.

請求項３に係るゴム栓挿入装置は、請求項２記載のゴム栓挿入装置において、前記ホルダ組立体がゴム栓の種類に応じて複数段に配置され、該複数段のホルダ組立体が昇降駆動手段で昇降され、所要のホルダ組立体が前記固定側の電線の端末に対向して配置されることを特徴とする。   The rubber plug insertion device according to claim 3 is the rubber plug insertion device according to claim 2, wherein the holder assembly is arranged in a plurality of stages according to the type of the rubber plug, and the plurality of stages of the holder assemblies are driven up and down. The required holder assembly is arranged so as to face the end of the fixed-side electric wire.

上記構成により、複数段のホルダ組立体の前後のゴム栓ホルダはそれぞれ異なる内径のゴム栓保持孔を有し、複数段のゴム栓ホルダのゴム栓保持孔にはそれぞれ異なる外径のピン部が挿入される（前後のゴム栓保持孔の内径や前後のピン部の外径は同じである）。そして、複数種のゴム栓のうちから使用するゴム栓に適合するホルダ組立体が固定側の電線の端末に対向する位置まで上下方向に移動される。複数段のホルダ組立体全体が昇降駆動手段で昇降する。また、請求項２におけるホルダ組立体の前後反転は複数段のホルダ組立体全体が反転駆動手段で反転される。   With the above configuration, the rubber plug holders at the front and rear of the multi-stage holder assembly have rubber plug holding holes having different inner diameters, and the pin sections having different outer diameters are formed in the rubber plug holding holes of the multi-stage rubber plug holders. Inserted (the inner diameter of the front and rear rubber stopper holding holes and the outer diameter of the front and rear pin portions are the same). And the holder assembly which suits the rubber plug to be used from among the plurality of types of rubber plugs is moved in the vertical direction to a position facing the terminal of the fixed-side electric wire. The entire multi-stage holder assembly is moved up and down by the lift drive means. According to the second aspect of the present invention, the entire holder assembly in a plurality of stages is inverted by the inversion driving means.

請求項４に係るゴム栓挿入方法は、ゴム栓ホルダのピン挿通孔からゴム栓保持孔にかけてゴム栓保持ピンを挿入し、該ゴム栓保持孔にゴム栓を挿入すると同時に、該ゴム栓の孔部に該ゴム栓保持ピンを挿入し、開閉可能な一対の電線ガイドを閉じて固定側の電線の端末を軸方向スライド自在に支持させると同時に、該ゴム栓ホルダの凹部に該電線ガイドのフック部を係合させ、且つ該ゴム栓保持孔の開口側の端面に該一対の電線ガイドを当接させた状態で、該ゴム栓ホルダを該電線ガイドと一体に該電線の端末に向けて移動させて、該電線の端末に該ゴム栓を挿入することを特徴とする。   In the rubber plug insertion method according to claim 4, the rubber plug holding pin is inserted from the pin insertion hole of the rubber plug holder to the rubber plug holding hole, and the rubber plug is inserted into the rubber plug holding hole. The rubber plug holding pin is inserted into the section, the pair of openable and closable wire guides are closed, and the ends of the fixed-side wires are supported so as to be slidable in the axial direction. The rubber plug holder is moved together with the wire guide toward the end of the electric wire in a state where the pair of electric wire guides are in contact with the end surface on the opening side of the rubber plug holding hole. The rubber plug is inserted into the end of the electric wire.

上記構成により、ゴム栓ホルダのゴム栓保持孔内にゴム栓が挿入されると同時に、ゴム栓の孔部にゴム栓保持ピンが挿入（圧入）され、一対の電線ガイド（電線ガイド本体）が閉じて固定側の電線の端末を軸方向スライド自在に支持して、電線の端末の振れ（芯ずれ）を防いだ状態で、電線ガイド（電線ガイド本体）の後端面がゴム栓ホルダの前端面すなわちゴム栓保持孔の開口側の端面に当接して、ゴム栓ホルダの前端面と電線ガイド（電線ガイド本体）の後端面との間の隙間をなくして、隙間からのゴム栓の先端部のはみ出しを阻止する（ゴム栓の先端部のはみ出しがあると、ゴム栓が径方向に位置ずれして、電線の先端にゴム栓の孔部がスムーズに案内されずに挿入不良をおこしやすい）。ゴム栓保持孔が一対の電線ガイド（電線ガイド本体）の間の電線挿通空間に連通し、ゴム栓（大径のゴム栓の場合）はゴム栓ホルダのゴム栓保持孔内に電線ガイド（電線ガイド本体）の後端面で閉じ込められた状態で、電線の端末に確実に挿入される。すなわち、一対の電線ガイド（電線ガイド本体）が電線を支持するために閉じると同時に電線ガイドのフック部がゴム栓ホルダの凹部に進入係合し、その状態で電線ガイドが前進し、ゴム栓保持ピンはゴム栓ホルダ内に取り残されて、電線ガイドと一体にゴム栓ホルダのみが電線の端末（先端）に向けて前進し、電線の端末に沿って一対の電線ガイド（電線ガイド本体）がスライドしつつ、電線の端末にゴム栓ホルダ内のゴム栓が確実に挿入される。   With the above configuration, the rubber plug is inserted into the rubber plug holding hole of the rubber plug holder, and at the same time, the rubber plug holding pin is inserted (press-fitted) into the hole portion of the rubber plug so that the pair of wire guides (wire guide main body) The end of the wire guide (wire guide main body) is the front end surface of the rubber plug holder while the end of the wire is closed and slidably supported in the axial direction to prevent the end of the wire from swinging (core misalignment). That is, it contacts the end face of the opening side of the rubber plug holding hole, eliminates the gap between the front end face of the rubber plug holder and the rear end face of the wire guide (wire guide main body), and the tip of the rubber plug from the gap Protrusions are prevented (when the tip of the rubber plug protrudes, the rubber plug is displaced in the radial direction, and the hole of the rubber plug is not smoothly guided to the tip of the electric wire, which is likely to cause poor insertion). The rubber plug holding hole communicates with the wire insertion space between the pair of wire guides (wire guide main body), and the rubber plug (in the case of a large diameter rubber plug) has a wire guide (wire) in the rubber plug holding hole of the rubber plug holder. The guide body is securely inserted into the end of the electric wire while being confined at the rear end surface. That is, the pair of wire guides (wire guide main bodies) closes to support the wires, and at the same time, the hook portions of the wire guides enter and engage with the recesses of the rubber plug holder, and the wire guides advance and hold the rubber plugs. The pin is left behind in the rubber plug holder, and only the rubber plug holder moves forward toward the end (tip) of the wire together with the wire guide, and a pair of wire guides (wire guide body) slide along the end of the wire. However, the rubber plug in the rubber plug holder is securely inserted into the end of the electric wire.

請求項１記載の発明によれば、電線ガイドとゴム栓ホルダとを同時に前進させて、電線ガイドにスライド自在に支持された固定側の電線の端末にゴム栓ホルダ内のゴム栓を芯ずれなくスムーズ且つ確実に挿入することができる。   According to the first aspect of the present invention, the wire guide and the rubber plug holder are advanced simultaneously, and the rubber plug in the rubber plug holder is not misaligned to the end of the fixed-side electric wire slidably supported by the wire guide. It can be inserted smoothly and reliably.

請求項２記載の発明によれば、前後のゴム栓ホルダをゴム栓保持ピンの前後のピン部と一体に反転させ、一対の電線ガイドを開いて電線ガイドのフック部をゴム栓ホルダの凹部から離脱させて、ばね部材の付勢力で前側のゴム栓ホルダを復帰させるようにしたことで、ゴム栓保持ピンとゴム栓ホルダとの関連構造をコンパクト化、省スペース化することができる。   According to the second aspect of the invention, the front and rear rubber plug holders are inverted together with the front and rear pin portions of the rubber plug holding pin, the pair of wire guides are opened, and the hook portions of the wire guides are removed from the recesses of the rubber plug holder. By detaching and returning the front rubber plug holder by the biasing force of the spring member, the related structure of the rubber plug holding pin and the rubber plug holder can be made compact and space-saving.

請求項３記載の発明によれば、ゴム栓の種類に応じて所要のホルダ組立体を選択して固定側の電線の端末に対峙させる際に、複数段に配置したホルダ組立体を昇降駆動手段で上下方向に移動することで、ゴム栓挿入装置をコンパクト化、省スペース化することができる。   According to the third aspect of the present invention, when a required holder assembly is selected according to the type of the rubber plug and opposed to the end of the fixed-side electric wire, the holder assemblies arranged in a plurality of stages are moved up and down. By moving in the vertical direction, the rubber plug insertion device can be made compact and space-saving.

請求項４記載の発明によれば、電線ガイドとゴム栓ホルダとを同時に前進させて、電線ガイドにスライド自在に支持された固定側の電線の端末にゴム栓ホルダ内のゴム栓を芯ずれなくスムーズ且つ確実に挿入することができる。   According to the invention of claim 4, the wire guide and the rubber plug holder are simultaneously advanced, and the rubber plug in the rubber plug holder is not misaligned at the end of the fixed-side electric wire slidably supported by the wire guide. It can be inserted smoothly and reliably.

本発明に係るゴム栓挿入装置の一実施形態を示す分解斜視図である。It is a disassembled perspective view which shows one Embodiment of the rubber plug insertion apparatus which concerns on this invention. 同じくゴム栓挿入装置を示す斜視図である。It is a perspective view which similarly shows a rubber plug insertion apparatus. 図２のＡ−Ａ断面図である。It is AA sectional drawing of FIG. ゴム栓ホルダの先端部の状態を示す斜視図である。It is a perspective view which shows the state of the front-end | tip part of a rubber stopper holder. ゴム栓挿入装置の詳細例を示す斜視図である。It is a perspective view which shows the detailed example of a rubber stopper insertion apparatus. 図５のＢ−Ｂ断面図である。It is BB sectional drawing of FIG. ゴム栓挿入装置の詳細例を示す縦断面図である。It is a longitudinal cross-sectional view which shows the detailed example of a rubber stopper insertion apparatus. 図７の矢視Ｃ拡大図である。It is an arrow C enlarged view of FIG.

図１〜図４は、本発明に係るゴム栓挿入装置及びゴム栓挿入方法の一実施形態を示すものである。   1 to 4 show an embodiment of a rubber plug insertion device and a rubber plug insertion method according to the present invention.

図１，図２の如く、このゴム栓挿入装置１は、金属製の前後一対のゴム栓ホルダ２，３と、前後の各ゴム栓ホルダ２，３内に配置される金属製のゴム栓保持ピン４の前後のピン部５，６（図６参照）とを備えたホルダ組立体７を用い、ホルダ組立体７を上下（縦）方向に複数段に配列（配設）して、一本の電線８（図２）の端末８ａに対して複数種のゴム栓９（図３）のうちの一つを選択して挿入可能としたものである。   As shown in FIGS. 1 and 2, the rubber plug insertion device 1 includes a pair of front and rear rubber plug holders 2 and 3, and metal rubber plug holders disposed in the front and rear rubber plug holders 2 and 3, respectively. A holder assembly 7 having front and rear pin portions 5 and 6 (see FIG. 6) of the pin 4 is used, and the holder assembly 7 is arranged (arranged) in a plurality of stages in the vertical (vertical) direction. One of a plurality of types of rubber plugs 9 (FIG. 3) can be selected and inserted into the terminal 8a of the electric wire 8 (FIG. 2).

図１の如く、ゴム栓ホルダ２，３は前後一対、対称に配置され、前後一対のゴム栓ホルダ２，３は引張コイルばね（ばね部材）１０で相互に連結されている。前後一対のゴム栓ホルダ２，３は中間の垂直な軸部１１（図５参照）を支点に水平方向に反転可能であり、後側のゴム栓ホルダ３に供給されたゴム栓９（図６参照）が前側に反転して電線８（図２）の端末８ａに挿入される。各ゴム栓ホルダ２，３は非分割式のものである。   As shown in FIG. 1, the rubber plug holders 2 and 3 are arranged symmetrically in a pair of front and rear, and the pair of front and rear rubber plug holders 2 and 3 are connected to each other by a tension coil spring (spring member) 10. The pair of front and rear rubber stopper holders 2 and 3 can be horizontally reversed with a vertical shaft 11 (see FIG. 5) in the middle as a fulcrum, and the rubber stopper 9 (see FIG. 6) supplied to the rubber stopper holder 3 on the rear side. Is reversed to the front side and inserted into the terminal 8a of the electric wire 8 (FIG. 2). Each rubber plug holder 2 and 3 is a non-dividing type.

図２の如く、電線８は前側の垂直な電線クランプ１２で前後方向に水平に保持固定され、図２，図３の如く、電線８の端末（先端部）８ａが左右一対の電線ガイド１３の電線ガイド本体１３’で支持され、図３の如く、電線８の先端８ｂが電線ガイド本体１３’の後端面１３ａよりも若干前方に位置する。図２の如く、各電線ガイド本体１３’は複数枚の逆Ｖ字状の凸板１４とＶ字状の凹板１５とを交互に有して、電線８を軸方向スライド自在に支持する。一対の電線ガイド１３を閉じた際に一対の電線ガイド本体１３’の各凸板１４と各凹板１５との間に断面矩形状の水平な電線挿通空間４３（図２，図３）が形成される。電線８は電線挿通空間４３に沿って軸方向スライド自在に支持される。   As shown in FIG. 2, the electric wire 8 is held and fixed horizontally in the front-rear direction by a vertical electric wire clamp 12 on the front side, and the terminals (tip portions) 8 a of the electric wires 8 are formed by the pair of left and right electric wire guides 13 as shown in FIGS. As shown in FIG. 3, the tip 8b of the wire 8 is positioned slightly forward of the rear end surface 13a of the wire guide main body 13 '. As shown in FIG. 2, each electric wire guide body 13 'has a plurality of inverted V-shaped convex plates 14 and V-shaped concave plates 15 alternately to support the electric wires 8 so as to be slidable in the axial direction. When the pair of wire guides 13 are closed, a horizontal wire insertion space 43 (FIGS. 2 and 3) having a rectangular cross section is formed between each convex plate 14 and each concave plate 15 of the pair of wire guide main bodies 13 ′. Is done. The electric wire 8 is supported so as to be slidable in the axial direction along the electric wire insertion space 43.

各電線ガイド１３は、凸板１４と凹板１５を有する矩形ブロック状の電線ガイド本体（電線支持部）１３’と、電線ガイド本体１３’の後方に固定された略Ｌ字状のフック部１６とで成る。図３の如く、フック部１６は後向きの部分１６ａと内向き（左右方向）の突部１６ｂとで成り、後向きの部分１６ａが電線ガイド本体１３’にボルト締め１７で固定され、内向きの突部１６ｂがゴム栓ホルダ２の溝部（凹部）１８に進入係合する。   Each wire guide 13 includes a rectangular block-shaped wire guide body (wire support portion) 13 ′ having a convex plate 14 and a concave plate 15, and a substantially L-shaped hook portion 16 fixed to the rear of the wire guide body 13 ′. It consists of. As shown in FIG. 3, the hook portion 16 is composed of a rearward portion 16a and an inward (left-right direction) protrusion 16b, and the rearward portion 16a is fixed to the wire guide main body 13 ′ with bolts 17 so as to protrude inwardly. The portion 16b enters and engages with the groove (concave portion) 18 of the rubber plug holder 2.

図２の如く、各電線ガイド１３は上側の各支持壁１９に固定され、各支持壁１９は左右に開閉する不図示の開閉駆動手段に連結され、各電線ガイド１３は開閉駆動手段と共に不図示の前後方向の進退駆動手段に連結されている。図２では前後のゴム栓ホルダ２，３を連結する引張コイルばね１０（図１）の図示を省略している。引張コイルばね１０は前後のゴム栓ホルダ２，３を互いに軸方向に接近する方向に付勢している。   As shown in FIG. 2, each wire guide 13 is fixed to each upper support wall 19, and each support wall 19 is connected to an opening / closing drive means (not shown) that opens and closes left and right, and each wire guide 13 is not shown together with the opening / closing drive means. It is connected to the forward / backward drive means in the front-rear direction. 2, illustration of the tension coil spring 10 (FIG. 1) which connects the front and rear rubber plug holders 2 and 3 is omitted. The tension coil spring 10 urges the front and rear rubber plug holders 2 and 3 in a direction approaching each other in the axial direction.

図２の電線クランプ１２は、下側のブロック部１２ａと、ブロック部１２ａから上向きに設けられた左右一対の電線把持片１２ｂと、電線把持片１２ｂを閉じ方向に付勢する不図示のばね部材とを備え、ばね部材の力で電線８を把持し、ばね部材の付勢力に抗して電線把持片１２ｂを外向きに押し広げて電線８を挿通ないし離脱させる。電線クランプ１２の高さ方向位置（電線８の高さ方向位置）は一定であり、複数段のホルダ組立体７は不図示の昇降駆動手段で一体的に上下に移動して、電線クランプ１２の後方に対向する位置に所要のホルダ組立体７が配置される。   2 includes a lower block portion 12a, a pair of left and right electric wire gripping pieces 12b provided upward from the block portion 12a, and a spring member (not shown) that urges the electric wire gripping pieces 12b in the closing direction. The wire 8 is gripped by the force of the spring member, and the wire gripping piece 12b is spread outwardly against the biasing force of the spring member to allow the wire 8 to be inserted or removed. The height direction position of the electric wire clamp 12 (the height direction position of the electric wire 8) is constant, and the multi-stage holder assembly 7 is integrally moved up and down by an elevating drive means (not shown). A required holder assembly 7 is disposed at a position facing the rear.

図３の如く、一対の電線ガイド１３の後部側の対称なＬ字状の一対のフック部１６が所要のゴム栓ホルダ２の左右一対の溝部（凹部）１８に係合し、電線ガイド１３とゴム栓ホルダ２とが一体に連結されて前進可能となる。その際、ゴム栓保持ピン４のピン部５はゴム栓ホルダ２内に取り残される。ゴム栓ホルダ２はゴム栓保持ピン４に対して軸方向スライド自在に係合している（ゴム栓保持ピン４はゴム栓ホルダ２内にスライド自在に係合している）。フック部１６はボルト１７で電線ガイド１３に固定されている。   As shown in FIG. 3, a pair of symmetrical L-shaped hooks 16 on the rear side of the pair of wire guides 13 engage with a pair of left and right grooves (recesses) 18 of the required rubber plug holder 2, The rubber stopper holder 2 is integrally connected and can be moved forward. At that time, the pin portion 5 of the rubber stopper holding pin 4 is left in the rubber stopper holder 2. The rubber plug holder 2 is engaged with the rubber plug holding pin 4 so as to be axially slidable (the rubber plug holding pin 4 is slidably engaged with the rubber plug holder 2). The hook portion 16 is fixed to the wire guide 13 with a bolt 17.

図３の例のゴム栓ホルダ２は径方向中央に前後方向に貫通した断面円形の前側のゴム栓保持孔２０と後側のピン挿通孔２１とを連通して有し、ゴム栓保持孔２０はピン挿通孔２１よりも大径であり、ピン挿通孔２１は後側の大径なピン挿通孔２２に続いている。   The rubber plug holder 2 in the example of FIG. 3 has a front rubber plug holding hole 20 having a circular cross section penetrating in the front-rear direction at the center in the radial direction, and a pin insertion hole 21 on the rear side. Is larger in diameter than the pin insertion hole 21, and the pin insertion hole 21 continues to the rear-side large-diameter pin insertion hole 22.

図３のゴム栓９は中程度の大きさのものであり、前半に大径部（符号９で代用）、後半に小径部９ｃをそれぞれ一体に有し、大径部９と小径部９ｃを貫通して均一な内径の孔部９ａを有している。ゴム栓９の孔部９ａに電線８が挿入された後、小径部９ｃは不図示の端子の絶縁被覆圧着片で加締められる。   The rubber plug 9 in FIG. 3 is of a medium size, and has a large diameter portion (substitute with reference numeral 9) in the first half and a small diameter portion 9c in the second half, respectively. The large diameter portion 9 and the small diameter portion 9c are integrated with each other. It has a hole 9a that penetrates and has a uniform inner diameter. After the electric wire 8 is inserted into the hole 9a of the rubber plug 9, the small-diameter portion 9c is crimped with an insulating cover crimping piece of a terminal (not shown).

複数段のホルダ組立体７におけるゴム栓ホルダ２のゴム栓保持孔２０の大きさ（内径及び深さ）や形状は、ゴム栓９の種類（外径及び長さ及び形状）に応じて異なる。例えば図３の小径部９ｃよりも小径なゴム栓９も使用され、ゴム栓保持孔２０の内径は使用するゴム栓９の外径に応じて設定され、ゴム栓保持ピン４の形状はゴム栓９の大きさ形状に応じて設定される。ゴム栓９の外径が電線ガイド本体１３’の電線挿通空間４３の内径よりも小さくなる場合もある。その場合でも、ゴム栓保持孔２０は電線挿通空間４３に同心に連通する。   The size (inner diameter and depth) and shape of the rubber plug holding hole 20 of the rubber plug holder 2 in the multi-stage holder assembly 7 vary depending on the type (outer diameter, length, and shape) of the rubber plug 9. For example, a rubber plug 9 having a diameter smaller than that of the small diameter portion 9c of FIG. 3 is used, the inner diameter of the rubber plug holding hole 20 is set according to the outer diameter of the rubber plug 9 to be used, and the shape of the rubber plug holding pin 4 is a rubber plug. It is set according to the size shape of 9. The outer diameter of the rubber plug 9 may be smaller than the inner diameter of the wire insertion space 43 of the wire guide body 13 '. Even in that case, the rubber stopper holding hole 20 communicates concentrically with the wire insertion space 43.

図３の例のゴム栓保持ピン４は前側の小径なピン部（小径部）５と、ピン部５の後側に続く中径部２５とを有し、前側の小径なピン部５がゴム栓９の中心の孔部９ａに挿入（圧入）されて、ゴム栓９の孔部９ａの内径が少し拡げられる。前側の小径なピン部５の外径は電線８（図２）の外径よりも小さく規定されている。ゴム栓９の前端面９ｂはゴム栓ホルダ２の前端面２ａと同一垂直面に位置し、ゴム栓９の後端面９ｄはゴム栓保持孔２０の後端面（段差面）２３ａに接し、ゴム栓保持ピン４の小径なピン部５の先端（前端）はゴム栓ホルダ５の前端面２ａよりも少し後方に位置する。   The rubber stopper holding pin 4 in the example of FIG. 3 has a front-side small-diameter pin portion (small-diameter portion) 5 and a medium-diameter portion 25 that follows the rear side of the pin portion 5, and the front-side small-diameter pin portion 5 is a rubber. The inner diameter of the hole 9a of the rubber plug 9 is slightly expanded by being inserted (press-fitted) into the hole 9a at the center of the plug 9. The outer diameter of the small pin portion 5 on the front side is defined to be smaller than the outer diameter of the electric wire 8 (FIG. 2). The front end surface 9b of the rubber plug 9 is positioned on the same vertical plane as the front end surface 2a of the rubber plug holder 2, and the rear end surface 9d of the rubber plug 9 is in contact with the rear end surface (step surface) 23a of the rubber plug holding hole 20, The tip (front end) of the small-diameter pin portion 5 of the holding pin 4 is located slightly behind the front end surface 2 a of the rubber plug holder 5.

図１の上から二段目のゴム栓保持ピン４の例で示す如く、ゴム栓保持ピン４の前側の小径なピン部５は後側の中径部２５に続き、中径部２５はさらに後側の大径部２６に続いている。複数段のホルダ組立体７におけるゴム栓保持ピン４の形状は、使用するゴム栓９の種類に応じて異なり、ピン部５の外径はゴム栓９の孔部９ａの内径に応じて異なる。   As shown in the example of the rubber stopper holding pin 4 in the second stage from the top of FIG. 1, the small-diameter pin portion 5 on the front side of the rubber stopper holding pin 4 continues to the intermediate diameter portion 25 on the rear side, and the intermediate diameter portion 25 further includes It continues to the large-diameter portion 26 on the rear side. The shape of the rubber plug holding pin 4 in the multi-stage holder assembly 7 varies depending on the type of the rubber plug 9 to be used, and the outer diameter of the pin portion 5 varies depending on the inner diameter of the hole 9 a of the rubber plug 9.

図１の上側にゴム栓ホルダ２の単体図を示す如く、ゴム栓ホルダ２は、前側の頭部（ホルダ本体）２’と、頭部２’に首部２７を介して続く後側の短い胴部２８と、胴部２８にボルト２９で固定されて後側に続く左右（上下）一対の脚部３０，３０’とで構成されている。首部２７の左右外側に溝部（凹部）１８が位置する。上側の脚部３０は左側に位置し、下側の脚部３０’は右側に位置し、それぞれ胴部２８の対角線上に位置する。   As shown in a single view of the rubber plug holder 2 on the upper side of FIG. 1, the rubber plug holder 2 is composed of a front head (holder body) 2 ′ and a rear short trunk that continues to the head 2 ′ through a neck 27. It comprises a part 28 and a pair of left and right (upper and lower) leg parts 30 and 30 'which are fixed to the body part 28 with bolts 29 and continue to the rear side. Grooves (concave portions) 18 are positioned on the left and right outer sides of the neck portion 27. The upper leg portion 30 is located on the left side, and the lower leg portion 30 ′ is located on the right side, and is located on a diagonal line of the trunk portion 28.

前側のゴム栓ホルダ２に対して、後側のゴム栓ホルダ３は、上側で且つ右側の脚部３０と、下側で且つ左側の脚部３０’とを有して、前後一対のゴム栓ホルダ２，３の各脚部３０，３０’が上下左右の四方に位置し、四本の脚部３０，３０’の内側にゴム栓保持ピン４が配置される。前後のゴム栓ホルダ２，３は同一の大きさ形状のものを前後反転して使用している。   With respect to the front rubber plug holder 2, the rear rubber plug holder 3 has an upper and right leg 30 and a lower and left leg 30 ′. The leg portions 30 and 30 ′ of the holders 2 and 3 are positioned in the upper, lower, left and right directions, and the rubber stopper holding pins 4 are disposed inside the four leg portions 30 and 30 ′. The front and rear rubber plug holders 2 and 3 are of the same size and shape and are used by inverting them.

ゴム栓保持ピン４は長手方向中間部を略矩形筒状の収容ブロック３１の水平な孔部３１ａに収容され、収容ブロック３１から前後にゴム栓保持ピン４の前後のピン部５，６（図６）が突出して位置する。収容ブロック３１は外周側の上下左右の四方（角部）に、前後の各ゴム栓ホルダ２，３の各一対の脚部３０，３０’を収容する水平な切欠溝３１ｂを有している。   The rubber stopper holding pin 4 is accommodated in the horizontal hole 31a of the substantially rectangular cylindrical housing block 31 at the middle in the longitudinal direction, and the front and rear pin parts 5 and 6 of the rubber stopper holding pin 4 from the housing block 31 (see FIG. 6) is located protruding. The accommodation block 31 has horizontal cutout grooves 31b for accommodating the pair of leg portions 30 and 30 'of the front and rear rubber plug holders 2 and 3 in four sides (corner portions) on the outer peripheral side.

収容ブロック３１の前端面３１ｃに前側のゴム栓ホルダ２の胴部２８の後端面２８ａが当接し、収容ブロック３１の後端面に後側のゴム栓ホルダ３の胴部２８の前端面が当接する。ゴム栓保持ピン４と収容ブロック３１と前後のゴム栓ホルダ２，３と引張コイルばね１０とでホルダ組立体７が構成される。引張コイルばね１０の付勢に抗して前側のゴム栓ホルダ２がゴム栓保持ピン４を残してスライド式に前進可能である。収容ブロック３１をゴム栓保持ピン４の中間部に一体に形成することも可能である（この場合は収容ブロック３１を含めてゴム栓保持ピン４と呼称する）。   The rear end surface 28a of the body portion 28 of the front rubber plug holder 2 contacts the front end surface 31c of the housing block 31, and the front end surface of the body portion 28 of the rear rubber plug holder 3 contacts the rear end surface of the housing block 31. . The holder assembly 7 is composed of the rubber stopper holding pin 4, the accommodation block 31, the front and rear rubber stopper holders 2 and 3, and the tension coil spring 10. The rubber plug holder 2 on the front side can move forward in a sliding manner while leaving the rubber plug holding pins 4 against the urging of the tension coil spring 10. It is also possible to integrally form the housing block 31 in the middle portion of the rubber stopper holding pin 4 (in this case, the housing block 31 and the rubber stopper holding pin 4 are referred to).

後側のゴム栓ホルダ３は前側のゴム栓ホルダ２とは対称に後側の頭部（ホルダ本体）２’と前側の胴部２８と胴部よりも前側の脚部３０，３０’とを有する。前後のゴム栓ホルダ２，３の首部２７の左右外側に溝部１８が形成されている。前後のゴム栓ホルダ２，３の胴部２８の後側のボルト３２は引張コイルばね１０の端部を引っ掛けて固定するためのものである。なお、明細書で前後左右の方向性は説明の便宜上のものである。   The rear rubber plug holder 3 has a rear head (holder body) 2 ', a front body 28 and legs 30 and 30' in front of the body symmetrically with the front rubber plug holder 2. Have. Groove portions 18 are formed on the left and right outer sides of the neck portion 27 of the front and rear rubber plug holders 2 and 3. The bolt 32 on the rear side of the body portion 28 of the front and rear rubber plug holders 2 and 3 is for hooking and fixing the end portion of the tension coil spring 10. In the specification, the front / rear and left / right directions are for convenience of explanation.

図４の如く、ゴム栓ホルダ２の前端面２ａに設けられたゴム栓保持孔２０の開口端はテーパ状の面取部３３で拡げられており、ゴム栓保持孔２０の開口端からゴム栓９の前端部が面取部３３内に突出し、ゴム栓９の前端面９ｂがゴム栓ホルダ２の前端面２ａと同一垂直面に位置する。ゴム栓ホルダ２の前端面２ａにはゴム栓保持孔２０の開口端に向けて左右一対の溝３４が設けられ、溝３４内に例えば不図示の光センサを照射してゴム栓９の前端の位置を把握可能となっている。後側のゴム栓ホルダ３（図１）の面取部３３に沿ってゴム栓９が引っ掛かりなくスムーズにゴム栓保持孔２０に挿入される。   As shown in FIG. 4, the opening end of the rubber plug holding hole 20 provided in the front end surface 2 a of the rubber plug holder 2 is expanded by a tapered chamfer 33, and the rubber plug is opened from the opening end of the rubber plug holding hole 20. 9 protrudes into the chamfered portion 33, and the front end surface 9 b of the rubber plug 9 is positioned on the same vertical plane as the front end surface 2 a of the rubber plug holder 2. The front end surface 2a of the rubber plug holder 2 is provided with a pair of left and right grooves 34 toward the opening end of the rubber plug holding hole 20. For example, a light sensor (not shown) is irradiated in the groove 34 so that the front end surface of the rubber plug 9 is irradiated. The position can be grasped. The rubber plug 9 is smoothly inserted into the rubber plug holding hole 20 without being caught along the chamfered portion 33 of the rear rubber plug holder 3 (FIG. 1).

ゴム栓保持ピン４のピン部５がゴム栓９の孔部９ａ内に挿入（圧入）されてゴム栓９が拡径され、ゴム栓ホルダ２のゴム栓保持孔２０の内周面にゴム栓９の外周面が押し付けられて密着し、ゴム栓ホルダ２内でのゴム栓９の径方向の位置ずれが防止され、且つ図３の如くゴム栓９の後端面９ｄがゴム栓保持孔２０の後端面（段差面）２３ａに当接して、ゴム栓９の軸方向（電線長手方向）の位置ずれが防止される。   The pin portion 5 of the rubber plug holding pin 4 is inserted (press-fitted) into the hole portion 9 a of the rubber plug 9 to expand the diameter of the rubber plug 9, and the rubber plug is formed on the inner peripheral surface of the rubber plug holding hole 20 of the rubber plug holder 2. The outer peripheral surface of the rubber plug 9 is pressed and brought into close contact with each other to prevent the radial displacement of the rubber plug 9 in the rubber plug holder 2, and the rear end surface 9 d of the rubber plug 9 is connected to the rubber plug holding hole 20 as shown in FIG. Abutting on the rear end surface (step surface) 23a prevents the rubber plug 9 from being displaced in the axial direction (longitudinal direction of the electric wire).

図３において、ゴム栓保持ピン４は前後方向（ピン長手方向）に不動であり、ゴム栓ホルダ２と電線ガイド１３とが不図示の進退駆動手段で一体的に前進し、電線ガイド１３は固定側の電線８に対してスライド自在に位置し（電線８を残して前進し）、図２の如く電線８は電線ガイド１３の前方の電線クランプ１２と後述の電線チャック４５（図７）で固定され、ゴム栓ホルダ２と電線ガイド１３との前進動作で、ゴム栓ホルダ２内のゴム栓９（図３）がゴム栓保持ピン４のピン部５から前方に離脱しつつ電線８の先端部（端末）８ａに挿入（圧入）され、電線８の先端部８ａはゴム栓ホルダ２のゴム栓保持孔２０内に進入する。正確には、ゴム栓９の孔部９ａの後半にゴム栓保持ピン４の前側のピン部５が残存した状態で、ゴム栓９の孔部９ａの前端開口が電線８の先端８ｂに挿入（圧入）される。   In FIG. 3, the rubber stopper holding pin 4 is immovable in the front-rear direction (pin longitudinal direction), the rubber stopper holder 2 and the wire guide 13 are moved forward integrally by a not-shown forward / backward drive means, and the wire guide 13 is fixed. The electric wire 8 is slidably positioned with respect to the electric wire 8 on the side (moving forward while leaving the electric wire 8), and the electric wire 8 is fixed by an electric wire clamp 12 in front of the electric wire guide 13 and an electric wire chuck 45 (FIG. 7) described later. When the rubber plug holder 2 and the wire guide 13 are moved forward, the rubber plug 9 (FIG. 3) in the rubber plug holder 2 is disengaged forward from the pin portion 5 of the rubber plug holding pin 4 and the distal end portion of the electric wire 8 is removed. (Terminal) 8 a is inserted (press-fitted), and the tip 8 a of the electric wire 8 enters the rubber plug holding hole 20 of the rubber plug holder 2. Precisely, the front end opening of the hole 9a of the rubber plug 9 is inserted into the tip 8b of the electric wire 8 with the front pin portion 5 of the rubber plug holding pin 4 remaining in the second half of the hole 9a of the rubber plug 9 ( Press fit).

ゴム栓保持ピン４のピン部５がゴム栓９の孔部９ａに挿入（圧入）されて、孔部９ａが少し拡径された状態で電線８の先端８ｂに挿入されることで、電線８へのゴム栓９の挿入がスムーズ且つ確実に行われる。ピン部５はゴム栓９の孔部９ａを少し拡径する程度であるので、ゴム栓９の弾性が損なわれることはない。   The pin portion 5 of the rubber plug holding pin 4 is inserted (press-fitted) into the hole portion 9a of the rubber plug 9, and the hole portion 9a is inserted into the tip 8b of the electric wire 8 in a state where the diameter of the hole portion 9a is slightly expanded. The rubber stopper 9 is smoothly and reliably inserted into the rubber plug. Since the pin portion 5 has a diameter that slightly expands the hole 9a of the rubber plug 9, the elasticity of the rubber plug 9 is not impaired.

また、ゴム栓９の前端面９ｂが電線ガイド本体１３’の後端面１３ａに当接し、ゴム栓９の後端面９ｃがゴム栓ホルダ２のゴム栓保持孔２０の後端面２３ａに当接して、前後方向の位置ずれなく保持されたことで、ゴム栓ホルダ２内でのゴム栓９の軸方向の位置ずれが防止され、ゴム栓９が電線８に確実に挿入され、且つ電線８の先端部８ａにおけるゴム栓９の位置（電線８の先端８ｂからゴム栓９の後端９ｃまでの距離）が正確に規定される。   Further, the front end surface 9b of the rubber plug 9 is in contact with the rear end surface 13a of the wire guide body 13 ', and the rear end surface 9c of the rubber plug 9 is in contact with the rear end surface 23a of the rubber plug holding hole 20 of the rubber plug holder 2, By being held without positional displacement in the front-rear direction, the axial displacement of the rubber plug 9 in the rubber plug holder 2 is prevented, the rubber plug 9 is securely inserted into the electric wire 8, and the tip of the electric wire 8 The position of the rubber plug 9 at 8a (the distance from the front end 8b of the electric wire 8 to the rear end 9c of the rubber plug 9) is accurately defined.

また、電線ガイド１３のフック部１６がゴム栓ホルダ２の溝部１８に係合した状態で、ゴム栓ホルダ２の前端面２ａが電線ガイド本体１３’の後端面１３ａに当接し、電線ガイド本体１３’の後端面１３ａがゴム栓ホルダ２のゴム栓保持孔２０（大径のゴム栓９に対応したゴム栓保持孔の場合）の開口端縁２ａ’を塞ぎ、ゴム栓９をゴム栓保持孔２０内に閉じ込め、電線ガイド本体１３’の後端面１３ａとゴム栓ホルダ２の開口端縁２ａ’とが隙間なく当接し、隙間からゴム栓９の先端部がはみ出してゴム栓９と電線８の端末８ａとの芯ずれを起こすことがなくなり、且つゴム栓保持孔２０と一対の電線ガイド本体１３’の間の電線挿通空間４３とが同軸に連通し、且つ電線８の端末８ａは電線ガイド１３にスライド自在に支持されているので、電線８の端末８ａの振れが防止され、ゴム栓９の孔部９ａと電線８の端末（先端）８ａとの軸心が一致して、ゴム栓９が電線８の端末８ａにスムーズ且つ確実に挿入される。上記記載はゴム栓挿入方法としても有効なものである（ゴム栓挿入方法の場合は「〜される」を「〜する」と言い換える）。   Further, in a state where the hook portion 16 of the wire guide 13 is engaged with the groove portion 18 of the rubber plug holder 2, the front end surface 2 a of the rubber plug holder 2 abuts on the rear end surface 13 a of the wire guide main body 13 ′. The rear end surface 13a closes the opening edge 2a 'of the rubber plug holding hole 20 of the rubber plug holder 2 (in the case of the rubber plug holding hole corresponding to the large diameter rubber plug 9), and the rubber plug 9 is plugged into the rubber plug holding hole. 20, the rear end surface 13 a of the wire guide main body 13 ′ and the opening edge 2 a ′ of the rubber plug holder 2 are in contact with each other without a gap, and the tip of the rubber plug 9 protrudes from the gap, so that the rubber plug 9 and the electric wire 8 There is no misalignment with the terminal 8a, the rubber plug holding hole 20 and the wire insertion space 43 between the pair of wire guide main bodies 13 ′ are coaxially connected, and the terminal 8a of the wire 8 is connected to the wire guide 13 Is slidably supported by The terminal 8a of the electric wire 8 is prevented from swinging, the hole 9a of the rubber plug 9 is aligned with the axial center of the terminal (tip) 8a of the electric wire 8, and the rubber plug 9 is smoothly and reliably connected to the terminal 8a of the electric wire 8. Inserted into. The above description is also effective as a rubber plug insertion method (in the case of the rubber plug insertion method, “to be” is referred to as “to do”).

図５は、前後のゴム栓ホルダ２，３とその内側に配置されたゴム栓保持ピン４（図６）とを備えるホルダ組立体７を上下方向に複数段（本例で九段）に配列したゴム栓挿入装置１の詳細例を示すものであり、図６は、図５の要部（矢視Ｂ部）横断面図である。また、図７は、同じくゴム栓挿入装置１の縦断面図、図８は図７のＣ部拡大図である。   In FIG. 5, holder assemblies 7 each having front and rear rubber stopper holders 2 and 3 and rubber stopper holding pins 4 (FIG. 6) arranged inside thereof are arranged in a plurality of stages (9 stages in this example) in the vertical direction. FIG. 6 shows a detailed example of the rubber plug insertion device 1, and FIG. 6 is a cross-sectional view of the main part (arrow B part) of FIG. 7 is a longitudinal sectional view of the rubber plug insertion device 1, and FIG. 8 is an enlarged view of a portion C in FIG.

図５，図７の如く、複数段のホルダ組立体７の前後のゴム栓ホルダ２，３は中間に回動用の左右一対の縦方向の垂直な板部３５を介して配置され、左右一対の板部３５は上下のブロック部分３６を介して垂直な軸部１１で上下のベース板３７の軸受３８に水平方向回動自在に支持されている。上下のブロック部分３６は上側のアクチュエータやモータといった反転駆動手段４６（図７）に連結されて複数段のホルダ組立体７と共に一体的に１８０°前後反転可能となっている。   As shown in FIGS. 5 and 7, the front and rear rubber plug holders 2 and 3 of the multi-stage holder assembly 7 are disposed in the middle via a pair of left and right vertical vertical plate portions 35 for rotation. The plate portion 35 is supported by the bearing 38 of the upper and lower base plates 37 by the vertical shaft portion 11 via the upper and lower block portions 36 so as to be rotatable in the horizontal direction. The upper and lower block portions 36 are connected to a reversing drive means 46 (FIG. 7) such as an upper actuator or motor so that the upper and lower block portions 36 can be reversibly rotated about 180 ° together with the plurality of holder assemblies 7.

各板部３５の左右外側に各引張コイルばね１０（図５，図６）が水平に配置され、各引張コイルばね１０で水平な前後のゴム栓ホルダ２，３が連結され且つ接近方向に付勢され、前側のゴム栓ホルダ２は後側のゴム栓ホルダ３に対して引張コイルばね１０の付勢力に抗して前進可能となっている。引張コイルばね１０の付勢力で前側のゴム栓ホルダ２の後端面２ｂが板部３５の前端面に当接し、後側のゴム栓ホルダ３の前端面３ｂが板部３５の後端面に当接している。   The tension coil springs 10 (FIGS. 5 and 6) are horizontally arranged on the left and right outer sides of the plate portions 35, and the horizontal front and rear rubber plug holders 2 and 3 are connected by the tension coil springs 10 and attached in the approaching direction. Thus, the front rubber plug holder 2 can move forward against the biasing force of the tension coil spring 10 with respect to the rear rubber plug holder 3. The rear end surface 2b of the front rubber plug holder 2 abuts on the front end surface of the plate portion 35 by the biasing force of the tension coil spring 10, and the front end surface 3b of the rear rubber plug holder 3 abuts on the rear end surface of the plate portion 35. ing.

前側のゴム栓ホルダ２はさらに前側の一対の電線ガイド１３の後側のフック部１６（図５，図６）で溝部１８を引っ掛けられて（一対の電線ガイド１３の開閉動作でフック部１６が溝部１８に係合し）、電線ガイド１３が上側の進退駆動手段４７（図７）で前側のゴム栓ホルダ２と一体に前進して、電線８の端末８ａへのゴム栓９（図６）の挿入が行われる。進退駆動手段４７（図７）は、モータ４７ｄで駆動される水平なボールねじ軸４７ａと、ボールねじ軸４７ａに歯合したナット部４７ｂに固定された垂直なベース板４７ｃとを備え、ベース板４７ｃに左右一対の電線ガイド１３が開閉用のモータ（駆動手段）４８（図７）と例えばラック・ピニオン等を介して開閉可能に連結されている。   The rubber plug holder 2 on the front side is further hooked with the groove 18 by the hook portion 16 (FIGS. 5 and 6) on the rear side of the pair of front wire guides 13 (the hook portion 16 is moved by the opening / closing operation of the pair of wire guides 13). Engaging with the groove portion 18), the wire guide 13 is advanced integrally with the front rubber plug holder 2 by the upper advance / retreat driving means 47 (FIG. 7), and the rubber plug 9 to the terminal 8a of the electric wire 8 (FIG. 6). Is inserted. The advancing / retreating drive means 47 (FIG. 7) includes a horizontal ball screw shaft 47a driven by a motor 47d, and a vertical base plate 47c fixed to a nut portion 47b engaged with the ball screw shaft 47a. A pair of left and right electric wire guides 13 is connected to an opening / closing motor (driving means) 48 (FIG. 7) so as to be openable and closable via, for example, a rack and pinion.

図５，図７の如く、後側のゴム栓ホルダ３の後端面に後側のゴム栓供給ブロック３９の前端面が隙間なく接触し、図６の如く、ゴム栓供給ブロック３９は水平なゴム栓供給孔４０を有し、ゴム栓供給孔４０の前端開口４０ａが後側のゴム栓ホルダ３のゴム栓保持孔２０に連通している。後側のゴム栓ホルダ３のゴム栓保持孔２０は図３の前側のゴム栓ホルダ３のゴム栓保持孔２０と大きさ形状が同じで前後対称である。ゴム栓供給孔４０の後端開口４０ｂには不図示のホース等の供給路が接続される。   5 and 7, the front end surface of the rear rubber plug supply block 39 is in contact with the rear end surface of the rear rubber plug holder 3 without a gap, and the rubber plug supply block 39 is a horizontal rubber as shown in FIG. There is a plug supply hole 40, and the front end opening 40 a of the rubber plug supply hole 40 communicates with the rubber plug holding hole 20 of the rubber plug holder 3 on the rear side. The rubber plug holding hole 20 of the rear rubber plug holder 3 has the same size and shape as the rubber plug holding hole 20 of the front rubber plug holder 3 of FIG. A supply path such as a hose (not shown) is connected to the rear end opening 40 b of the rubber plug supply hole 40.

複数段のゴム栓ホルダ２，３がそれぞれ異なる種類のゴム栓９を保持する形状のゴム栓保持孔２０を有しているのと同様に、各ゴム栓ホルダ２，３に対応する複数段の各ゴム栓供給ブロック３９の孔部４０の内径はゴム栓９の種類に応じて異なっている。各ゴム栓供給ブロック３９は例えば垂直な板部４１に連結され、板部４１に水平なエアシリンダ（進退駆動手段）４９（図７）のロッド４２が連結され、各ホルダ組立体７を同時に前後反転させる際に、各ゴム栓供給ブロック３９が後退ないし回動して、各ホルダ組立体７との干渉が防止される。   The plurality of stages of rubber plug holders 2 and 3 have a plurality of stages corresponding to each of the rubber plug holders 2 and 3 in the same manner as the rubber plug holders 2 and 3 each have a rubber plug holding hole 20 shaped to hold different types of rubber plugs 9. The inner diameter of the hole 40 of each rubber plug supply block 39 differs depending on the type of the rubber plug 9. Each rubber plug supply block 39 is connected to, for example, a vertical plate portion 41, and a rod 42 of a horizontal air cylinder (advance / retreat drive means) 49 (FIG. 7) is connected to the plate portion 41, so that each holder assembly 7 can be moved back and forth simultaneously. At the time of reversal, each rubber plug supply block 39 moves backward or pivots to prevent interference with each holder assembly 7.

複数段のホルダ組立体７と反転駆動手段４６（図７）と後側の複数段のゴム栓供給ブロック３９と板部４１とその進退駆動手段４９とは不図示の垂直なボールねじ軸とナットとサーボモータいった昇降駆動手段で垂直なガイドレール５０（図７）に沿って一体的に昇降され、電線クランプ１２の後側に所要なホルダ組立体７が選択的に対向して配置される。   The multi-stage holder assembly 7, the reverse drive means 46 (FIG. 7), the rear-stage multi-stage rubber plug supply block 39, the plate portion 41, and the advance / retreat drive means 49 are not shown, but a vertical ball screw shaft and nut. Are lifted up and down integrally along a vertical guide rail 50 (FIG. 7) by a lift driving means such as a servo motor, and a required holder assembly 7 is selectively disposed opposite to the rear side of the wire clamp 12. .

本例の電線クランプ１２は電線端末処理装置（電線８の検尺・皮剥き・ゴム栓９の挿入・端子圧着等の工程を順に行う装置）におけるものであり、電線８の端末８ａを把持固定して工程順に左右方向に水平に移動する。電線クランプ１２と前側の所要のゴム栓ホルダ２との間（空間）に電線ガイド１３が垂直なエアシリンダ（昇降駆動手段）５１（図７）で上方から下降して配置され、電線クランプ１２で把持された電線８の端末８ａを電線ガイド１３の左右一対の凸板１４と凹板１５とで緩く挟んで軸方向スライド自在に位置決め支持する。電線ガイド１３と一体にエアシリンダ５１（図７）で左右一対の電線チャック４５が下降して電線クランプ１２の前側に近接して位置し、垂直なチャック開閉用のエアシリンダ５１（図７）のロッド５１ａの昇降でリンク５３を介して電線チャック４５が開閉し、ロッド５１ａの下降で電線８を電線チャック４５がしっかりと把持固定する。   The electric wire clamp 12 of this example is in an electric wire terminal processing device (device that sequentially performs steps such as measuring and stripping the electric wire 8, inserting a rubber plug 9, and crimping a terminal), and holds and fixes the terminal 8a of the electric wire 8. Then, it moves horizontally in the left-right direction in the process order. Between the wire clamp 12 and the required rubber plug holder 2 on the front side (space), the wire guide 13 is arranged to be lowered from above by a vertical air cylinder (lifting drive means) 51 (FIG. 7). The terminal 8a of the gripped electric wire 8 is loosely sandwiched between the pair of left and right convex plates 14 and the concave plate 15 of the electric wire guide 13, and is positioned and supported so as to be slidable in the axial direction. The pair of left and right electric wire chucks 45 are lowered by the air cylinder 51 (FIG. 7) integrally with the electric wire guide 13 and are positioned close to the front side of the electric wire clamp 12, and the vertical air cylinder 51 for opening and closing the chuck (FIG. 7). When the rod 51a moves up and down, the wire chuck 45 opens and closes via the link 53, and when the rod 51a moves down, the wire chuck 45 firmly holds and fixes the wire 8.

図６の如く、電線クランプ１２と電線チャック４５（図７）とで電線８を把持した状態で、電線８の先端部８ａが左右一対の電線ガイド１３の間に配置され、前側のゴム栓ホルダ２の前部にゴム栓９が収容され、ゴム栓９の孔部９ａにゴム栓保持ピン４の前側の小径なピン部（先端部）５が挿入（圧入）され、後側のゴム栓ホルダ３の後部に同様のゴム栓９がゴム栓供給路４０を経て収容され、後側のゴム栓９の孔部９ａにゴム栓保持ピン４の後側の小径なピン部（先端部）６が挿入（圧入）されている。   As shown in FIG. 6, in the state where the electric wire 8 is held by the electric wire clamp 12 and the electric wire chuck 45 (FIG. 7), the front end portion 8a of the electric wire 8 is disposed between the pair of left and right electric wire guides 13, and the front rubber plug holder A rubber plug 9 is accommodated in the front portion of the rubber plug 9, and a small-diameter pin portion (tip portion) 5 on the front side of the rubber plug holding pin 4 is inserted (press-fitted) into the hole 9 a of the rubber plug 9. A similar rubber plug 9 is accommodated in the rear part of the rubber plug 9 via a rubber plug supply channel 40, and a small diameter pin part (tip part) 6 on the rear side of the rubber plug holding pin 4 is inserted into the hole 9a of the rubber plug 9 on the rear side. Inserted (press-fit).

一対の電線ガイド１３が開閉駆動手段４８（図７）で閉じて電線８を緩く把持すると同時に、電線ガイド１３のフック部１６が前側のゴム栓ホルダ２の溝部１８に係合し、電線ガイド１３が進退駆動手段４７（図７）で前進し、それに伴って前側のゴム栓ホルダ２が引張コイルばね１０の付勢に抗して同時に前進する。ゴム栓保持ピン４は長手方向中間部において左右の板部３５にねじ部材４４で固定されており、ゴム栓保持ピン４の前側のピン部２０を残して前側のゴム栓ホルダ２がゴム栓９と共に前進して電線８の先端部８ａにゴム栓９を挿入する。図８の如く、ゴム栓９の挿入までの一連の動きは、先ず電線８が電線クランプ１２で把持された状態で、ゴム栓ホルダ２（ホルダ組立体７）が矢印６１の如く下向きに移動して、所要のゴム栓９が電線の先端に対向し、次いで電線ガイド１３が矢印６２の如く下向きに移動して閉じて電線８を保持し、それと同時に電線チャック１３が矢印６３の如く閉じて電線８を把持し、次いでゴム栓ホルダ２が電線ガイド１３と一体に矢印６４の如く前進して、電線８にゴム栓９が挿入される。   The pair of wire guides 13 is closed by the opening / closing drive means 48 (FIG. 7) and loosely grips the wire 8, and at the same time, the hook portion 16 of the wire guide 13 engages with the groove portion 18 of the front rubber plug holder 2. Is advanced by the advancing / retreating drive means 47 (FIG. 7), and the front rubber plug holder 2 is simultaneously advanced against the urging force of the tension coil spring 10. The rubber plug holding pin 4 is fixed to the left and right plate portions 35 at the middle portion in the longitudinal direction by screw members 44, and the front rubber plug holder 2 is attached to the rubber plug 9 while leaving the front pin portion 20 of the rubber plug holding pin 4. At the same time, the rubber plug 9 is inserted into the tip 8 a of the electric wire 8. As shown in FIG. 8, a series of movements until the rubber plug 9 is inserted are as follows. First, the rubber plug holder 2 (holder assembly 7) moves downward as indicated by an arrow 61 in a state where the electric wire 8 is held by the electric wire clamp 12. Then, the required rubber stopper 9 faces the tip of the electric wire, and then the electric wire guide 13 moves downward as indicated by an arrow 62 and closes to hold the electric wire 8, and at the same time, the electric wire chuck 13 closes as indicated by an arrow 63. 8, and then the rubber plug holder 2 advances integrally with the wire guide 13 as indicated by an arrow 64, and the rubber plug 9 is inserted into the electric wire 8.

電線８へのゴム栓９の挿入後は、一対の電線ガイド１３が開閉駆動手段４８（図７）で開いてフック部１６（図６）が前側のゴム栓ホルダ２の溝部１６から外側に離脱し、前側のゴム栓ホルダ２が引張コイルばね１０の付勢力（復元力）で後方に引っ張られて後退して図６の原位置に復帰する。この際、一対の電線ガイド１３は昇降駆動手段５１（図７）で上昇して待避している。   After the rubber plug 9 is inserted into the electric wire 8, the pair of electric wire guides 13 are opened by the opening / closing driving means 48 (FIG. 7), and the hook portion 16 (FIG. 6) is detached from the groove portion 16 of the rubber plug holder 2 on the front side. Then, the front rubber plug holder 2 is pulled backward by the urging force (restoring force) of the tension coil spring 10 and moved back to the original position in FIG. At this time, the pair of wire guides 13 is lifted and retracted by the lifting drive means 51 (FIG. 7).

次いで、各ホルダ組立体７が反転駆動手段で前後１８０°反転し、後側のゴム栓ホルダ３が前側のゴム栓ホルダ２と入れ替わって前側のゴム栓ホルダ２となって、次の（左右方向に隣接する）電線クランプ１２で把持された電線８に上記同様の作用でゴム栓９が挿入される。   Subsequently, each holder assembly 7 is reversed 180 ° in the front and rear direction by the reverse driving means, and the rear rubber plug holder 3 is replaced with the front rubber plug holder 2 to become the front rubber plug holder 2, and the next (left-right direction) A rubber plug 9 is inserted into the electric wire 8 gripped by the electric wire clamp 12 (adjacent to) by the same action as described above.

電線クランプ１２はブロック状のパレット５４（図８）に立設されており、各端末処理工程ごとにパレット５４と一体に不図示の搬送ベルトに沿って左右方向（一方向）に移動し、次の電線クランプ１２で把持された電線８の径が大きい場合は、その電線８に対応するゴム栓９を収容したホルダ組立体７が垂直なガイドレール５０（図７）に沿って不図示の昇降駆動手段（モータとボールねじ）で上昇ないし下降して電線クランプ１２の後側に対向して配置され、上記同様の作用で電線８の端末８ａにゴム栓９が挿入される。電線８の径が同じでもゴム栓９の外径の異なるものを挿入する場合もあり、その場合も同様に所要のホルダ組立体７が不図示の昇降駆動手段で昇降して電線クランプ１２の後側に対向して配置され、上記同様の作用で電線８の端末８ａにゴム栓９が挿入される。図８の如く、ゴム栓９の種類に応じてゴム栓ホルダ２のゴム栓保持孔２０やゴム栓保持ピン４の形状は相違する。なお、上記記載はゴム栓挿入方法としても有効なものである（ゴム栓挿入方法の場合は「〜される」を「〜する」と言い換える）。   The electric wire clamp 12 is erected on a block-like pallet 54 (FIG. 8), and moves in the left-right direction (one direction) along the conveyance belt (not shown) integrally with the pallet 54 for each terminal processing step. When the diameter of the electric wire 8 held by the electric wire clamp 12 is large, the holder assembly 7 containing the rubber plug 9 corresponding to the electric wire 8 moves up and down (not shown) along the vertical guide rail 50 (FIG. 7). It is raised or lowered by the driving means (motor and ball screw) and disposed opposite to the rear side of the wire clamp 12, and the rubber plug 9 is inserted into the terminal 8a of the wire 8 by the same operation as described above. Even if the diameter of the electric wire 8 is the same, a rubber plug 9 having a different outer diameter may be inserted. In this case as well, the required holder assembly 7 is raised and lowered by an elevating driving means (not shown) and the electric wire clamp 12 is moved behind. The rubber plug 9 is inserted into the terminal 8a of the electric wire 8 by the same action as described above. As shown in FIG. 8, the shapes of the rubber plug holding hole 20 and the rubber plug holding pin 4 of the rubber plug holder 2 are different depending on the type of the rubber plug 9. The above description is also effective as a rubber plug insertion method (in the case of the rubber plug insertion method, “to be” is referred to as “to do”).

上記実施形態によれば、ゴム栓９の種類に応じたホルダ組立体７を上下方向に複数段に配列し、複数段のホルダ組立体７を同時に昇降させて、所要のホルダ組立体７を選択的に電線クランプ１２の対向位置に移動させることで、ゴム栓９の一品種当たりの装置部分の占めるスペースが削減され、多品種のゴム栓９の対応したコンパクトなゴム栓挿入装置１が提供されると共に、ゴム栓９の一品種当たりの設備費が低減され、多品種のゴム栓９に対応した低コストなゴム栓挿入装置１が供給される。   According to the above-described embodiment, the holder assemblies 7 corresponding to the types of the rubber plugs 9 are arranged in a plurality of stages in the vertical direction, and the plurality of holder assemblies 7 are simultaneously moved up and down to select a required holder assembly 7. Thus, the space occupied by the device portion of each type of rubber plug 9 is reduced by moving the wire clamp 12 to the opposite position, and a compact rubber plug insertion device 1 corresponding to various types of rubber plugs 9 is provided. At the same time, the equipment cost per type of rubber plug 9 is reduced, and the low-cost rubber plug insertion device 1 corresponding to the various types of rubber plugs 9 is supplied.

また、前側のゴム栓ホルダ２と後側のゴム栓ホルダ３とを反転して繰り返し使用するようにしたことで、従来の四つのステーションが二つに削減されて、装置１の占めるスペースが削減（省スペース化）されると共に、装置１の構造が簡素化・低コスト化される。   In addition, since the front rubber plug holder 2 and the rear rubber plug holder 3 are reversed and used repeatedly, the conventional four stations are reduced to two and the space occupied by the apparatus 1 is reduced. In addition to saving space, the structure of the apparatus 1 is simplified and reduced in cost.

また、ゴム栓ホルダ２，３を非分解として、ゴム栓ホルダ２，３のゴム栓保持孔２０の軸方向の開口からゴム栓９を押し込むようにしたことで、ゴム栓９をゴム栓ホルダ２，３で挟んで傷付ける心配がなくなる。   Further, the rubber plug holders 2 and 3 are not disassembled, and the rubber plug 9 is pushed through the opening in the axial direction of the rubber plug holding hole 20 of the rubber plug holders 2 and 3. 、 No need to worry about hurting between 3

また、前述（図３）の如く、ゴム栓９の後端面９ｃを前側のゴム栓ホルダ２の孔部２０の後段部２３ａに当接させ、ゴム栓９の前端面９ｂを電線ガイド本体１３’の後端面１３ａに当接させて、あるいはゴム栓ホルダ２の前端面２ａに電線ガイド本体１３’の後端面１３ａを隙間なく当接させて、ゴム栓９を前後方向（軸方向）に不動に保持し、ゴム栓９を保持したゴム栓保持孔２０と一対の電線ガイド本体１３’の間の電線挿通空間４３とを同軸に連通させた状態で、ゴム栓９を電線８の先端部８ａに挿入するようにしたことで、ゴム栓９の軸方向及び径方向の位置ずれが防止され、ゴム栓９の孔部９ａと電線８の先端部８ａとの芯ずれが防止されて、ゴム栓９が確実に電線８の先端部８ａに挿入される。これは、前側のゴム栓ホルダ２と電線ガイド１３とをフック部１６と溝部１８との係合で一体化させた状態で固定側の電線８に向けて前進させる構成としたことによる。   Further, as described above (FIG. 3), the rear end surface 9c of the rubber plug 9 is brought into contact with the rear step portion 23a of the hole 20 of the front rubber plug holder 2, and the front end surface 9b of the rubber plug 9 is brought into contact with the wire guide main body 13 ′. The rubber plug 9 is fixed in the front-rear direction (axial direction) by abutting against the rear end surface 13a or by bringing the rear end surface 13a of the wire guide main body 13 ′ into contact with the front end surface 2a of the rubber plug holder 2 without a gap. The rubber plug 9 is connected to the distal end portion 8a of the electric wire 8 in a state where the rubber plug holding hole 20 holding the rubber plug 9 and the electric wire insertion space 43 between the pair of electric wire guide bodies 13 ′ are coaxially connected. By being inserted, the axial displacement and the radial displacement of the rubber plug 9 are prevented, and the misalignment between the hole 9a of the rubber plug 9 and the tip 8a of the electric wire 8 is prevented. Is reliably inserted into the tip 8a of the electric wire 8. This is because the front rubber plug holder 2 and the wire guide 13 are advanced toward the fixed-side wire 8 in a state where the front-side rubber plug holder 2 and the wire guide 13 are integrated by the engagement of the hook portion 16 and the groove portion 18.

なお、上記実施形態においては、複数種のゴム栓９に対応して、ゴム栓ホルダ２，３とゴム栓保持ピン４とを備えたホルダ組立体７を複数段に配列したが、例えばゴム栓９が一種類である（一種類のゴム栓９のみしか使用しない工程の）場合には、一つのホルダ組立体７を前後反転可能に且つ昇降不能に配設することも有効である。   In the above embodiment, the holder assemblies 7 including the rubber plug holders 2 and 3 and the rubber plug holding pins 4 are arranged in a plurality of stages corresponding to a plurality of types of rubber plugs 9. When 9 is one type (in the process of using only one type of rubber plug 9), it is also effective to dispose one holder assembly 7 so that it can be reversed upside down and not up and down.

本発明に係るゴム栓挿入装置及びゴム栓挿入方法は、ゴム栓ホルダ内のゴム栓と電線の端末との芯ずれを防いで、ゴム栓を電線の端末に確実に挿入し、また、ゴム栓保持ピンとゴム栓ホルダとの関連構造をコンパクト化、省スペース化し、複数種のゴム栓の挿入にコンパクト、省スペースで対応するために利用することができる。   The rubber plug insertion device and the rubber plug insertion method according to the present invention prevent the misalignment between the rubber plug in the rubber plug holder and the end of the electric wire, and securely insert the rubber plug into the end of the electric wire. The related structure of the holding pin and the rubber plug holder can be made compact and space-saving, and can be used to accommodate multiple types of rubber plug insertion in a compact and space-saving manner.

１ ゴム栓挿入装置
２，３ ゴム栓ホルダ
２ａ 開口側の端面
４ ゴム栓保持ピン
５，６ ピン部
７ ホルダ組立体
８ 電線
８ａ 端末
１０ 引張コイルばね（ばね部材）
１３ 電線ガイド
１３’ 電線ガイド本体
１６ フック部
１８ 溝部（凹部）
２０ ゴム栓保持孔
２１ ピン挿通孔 DESCRIPTION OF SYMBOLS 1 Rubber plug insertion device 2, 3 Rubber plug holder 2a End face of opening side 4 Rubber plug holding pin 5, 6 Pin part 7 Holder assembly 8 Electric wire 8a Terminal 10 Tension coil spring (spring member)
13 Wire guide 13 'Wire guide body 16 Hook 18 Groove (concave)
20 Rubber stopper holding hole 21 Pin insertion hole

Claims (4)

ゴム栓保持孔と該ゴム栓保持孔よりも小径なピン挿通孔とを連通して有するゴム栓ホルダと、該ピン挿通孔から該ゴム栓保持孔にかけてスライド自在に挿入されるゴム栓保持ピンと、
該ゴム栓ホルダの凹部に係合するフック部と、該フック部と該凹部との係合時に該ゴム栓保持孔の開口側の端面に当接すると共に、固定側の電線の端末を軸方向スライド自在に支持する電線ガイド本体と、を有して、該ゴム栓ホルダを該電線の端末に向けて一体に移動させる一対の開閉可能な電線ガイドと、
を備えたことを特徴とするゴム栓挿入装置。 A rubber plug holder having a rubber plug holding hole communicating with a pin insertion hole having a smaller diameter than the rubber plug holding hole, a rubber plug holding pin slidably inserted from the pin insertion hole to the rubber plug holding hole,
A hook portion that engages with the recess of the rubber plug holder, and abuts against the end surface on the opening side of the rubber plug holding hole when the hook portion and the recess are engaged. A pair of openable and closable electric wire guides for moving the rubber plug holder integrally toward the end of the electric wire,
A rubber plug insertion device comprising: 前記ゴム栓ホルダが前後一対配設され、該一対のゴム栓ホルダがばね部材で相互に接近する方向に付勢され、該一対のゴム栓ホルダに前記ゴム栓保持ピンの前後のピン部が挿入されて、ホルダ組立体を構成し、該ホルダ組立体が前後反転可能に配置され、後側のゴム栓ホルダにゴム栓が供給され、前側のゴム栓ホルダからゴム栓が前記電線の端末に挿入されることを特徴とする請求項１記載のゴム栓挿入装置。   A pair of front and rear rubber plug holders are provided, the pair of rubber plug holders are biased toward each other by spring members, and the front and rear pin portions of the rubber plug holding pins are inserted into the pair of rubber plug holders. The holder assembly is configured so that the holder assembly can be reversed, the rubber plug is supplied to the rear rubber plug holder, and the rubber plug is inserted into the end of the electric wire from the front rubber plug holder. The rubber plug insertion device according to claim 1, wherein 前記ホルダ組立体がゴム栓の種類に応じて複数段に配置され、該複数段のホルダ組立体が昇降駆動手段で昇降され、所要のホルダ組立体が前記固定側の電線の端末に対向して配置されることを特徴とする請求項２記載のゴム栓挿入装置。   The holder assembly is arranged in a plurality of stages according to the type of the rubber plug, the holder assembly of the plurality of stages is raised and lowered by the raising / lowering drive means, and the required holder assembly is opposed to the terminal of the electric wire on the fixed side. The rubber plug insertion device according to claim 2, wherein the rubber plug insertion device is arranged. ゴム栓ホルダのピン挿通孔からゴム栓保持孔にかけてゴム栓保持ピンをスライド自在に挿入し、該ゴム栓保持孔にゴム栓を挿入すると同時に、該ゴム栓の孔部に該ゴム栓保持ピンを挿入し、
開閉可能な一対の電線ガイドを閉じて固定側の電線の端末を軸方向スライド自在に支持させると同時に、該ゴム栓ホルダの凹部に該電線ガイドのフック部を係合させ、且つ該ゴム栓保持孔の開口側の端面に該一対の電線ガイドを当接させた状態で、該ゴム栓ホルダを該電線ガイドと一体に該電線の端末に向けて移動させて、該電線の端末に該ゴム栓を挿入することを特徴とするゴム栓挿入方法。 The rubber plug holding pin is slidably inserted from the pin insertion hole of the rubber plug holder to the rubber plug holding hole, and at the same time, the rubber plug holding pin is inserted into the hole portion of the rubber plug. Insert,
A pair of openable and closable wire guides are closed to support the end of the fixed-side wire in an axially slidable manner, and at the same time, the hook portion of the wire guide is engaged with the recess of the rubber plug holder, and the rubber plug is held. The rubber plug holder is moved toward the end of the electric wire together with the electric wire guide in a state where the pair of electric wire guides are in contact with the end face on the opening side of the hole, and the rubber plug is connected to the end of the electric wire. A rubber stopper insertion method characterized by inserting a rubber plug.
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PCT/JP2013/068219 WO2014007275A1 (en) 2012-07-06 2013-07-03 Rubber-plug insertion device and rubber-plug insertion method

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