JP3636595B2

JP3636595B2 - Coiled wire and its feeding adapter

Info

Publication number: JP3636595B2
Application number: JP15041898A
Authority: JP
Inventors: 上哲井; 野徹小; 原行雄藤
Original assignee: 日鐵住金溶接工業株式会社
Priority date: 1998-05-29
Filing date: 1998-05-29
Publication date: 2005-04-06
Anticipated expiration: 2018-05-29
Also published as: JPH11335000A

Description

【０００１】
【発明の属する技術分野】
本発明は、コイル巻きワイヤと、それを装着するための送給アダプタに関し、特に、これに限定する意図ではないが、コイル巻き溶接ワイヤとそれを溶接ト−チに送給するために使用する送給アダプタに関する。
【０００２】
【従来の技術】
長尺な線材である溶接ワイヤを効率良く運送，保管あるいはコンパクトに溶接機に装着するために、溶接ワイヤは通常コイル巻きにされる。溶接ワイヤをコイルに巻取る時に巻枠が使用される。従来はこの巻枠をそのままコイル巻き溶接ワイヤ（製品）として出荷していた。例えば特開昭５８−１０３４６号公報に開示された方法によれば、比較的太い金属製ワイヤによって構成したリ−ルを使用して線材を保管する。即ち１本の金属製ワイヤに曲げ加工を施してリ−ルの一部分をなすように構成した複数個のリ−ル要素を、全体として円形状となる様に配置して、互にスポット溶接して結合しリ−ルを構成している。また特開昭６２−１９６４６号公報に開示された方法によれば、リ−ル取扱い時に加えられる衝撃によりリ−ル要素に生ずる歪に対処するために、１本の金属線材を数箇所で折り曲げて少なくとも２本の弓形リム部と、少なくとも２本の半径方向リム部ならなる骨組みによってフランジ部を構成し、これらを複数個円状に配置して相互に接合してリ−ルを構成している。リ−ルにはプラスチック等を使用したものもある。これらのリ−ルに溶接ワイヤをコイル巻きし、巻始端を巻胴に、巻終端をフランジ部に係止した後、熱収縮フィルム等の防湿性材料で全体を包み、該フィルムを加熱収縮して、更に段ボ−ル箱等に収納して出荷される。
【０００３】
特開平５−８４５７３号公報に開示された方法によれば、リ−ル等巻枠を使用しないでコイル状に巻かれたワイヤを、取外し可能な保持具で拘束する。拘束保持具としては、コの字状に曲げた針、あるいはバネ作用を持つクリップ状の金属線治具が例示されている。特開平６−２７８７１４号公報には、リ−ル等巻枠を使用しないでコイル状に巻かれたワイヤを、アルミ複合フィルムで袋状に包み、脱気後シ−ルする方法が開示されている。即ち巻枠を使用しないでコイル状に巻かれたワイヤを針金で結束し形状を整え、ワイヤ始端には使用端を明確にするためと、コイル本体への沈み込みを防ぐためにフラグ（タグ）を付け、ワイヤ終端にも使用端と同様なフラグ（タグ）を付けた後、アルミ複合フィルムで袋状に包んで密閉する。
【０００４】
【発明が解決しようとする課題】
しかしながら、例えば上記特開昭５８−１０３４６号公報，あるいは特開昭６２−１９６４６号公報に開示された、リ−ル等巻枠を使用して溶接ワイヤをコイル巻きにする場合には、溶接ワイヤを使用する際には、該リ−ル等巻枠は使い捨てされるので製造費高となると共に産業廃棄物としての処理が必要となり無駄が多い。また特開平５−８４５７３号公報に開示された、リ−ル等巻枠を使用しないでコイル状に巻かれた溶接ワイヤを、取外し可能な保持具で拘束する方法は、該コイル巻き溶接ワイヤの層状形状が崩れ易い。そこでコイル状に巻かれた溶接ワイヤの層状形状を保持するために、例えば幅広な鋼バンドを周回して締束する場合には材料費が高値となり、また安値なプラスチック製バンドを使用して結束する場合には、該バンドを締める事により該コイル巻き溶接ワイヤの断面形状の隅が方形より円形に丸まり、層状形状が崩れ易い。
【０００５】
また特開平５−８４５７３号公報に示されたフィルム状の材料でコイル形状を保持した状態で包装する方法は、フィルム状の材料のみでは形状保持能力が少ないので事前に針金で複数個所を結束して形状を整える必要がある。該結束用針金の端末同志を縄状にねじり合わせて結束するのが普通であるが、この針金先端で包装したフィルム状の材料を破損しやすく、また溶接ワイヤを使用する際に該複数個所の結束用針金を、ペンチ等を使用して除去するのに手間を要する。
【０００６】
ユ−ザは、上述のコイル巻き溶接ワイヤの包装を取り除き、送給アダプタに装着し、そして図１１の（ａ）に示すように、送給アダプタ１２を溶接機の送給機１３に装着して送給アダプタ１２から溶接ワイヤを引き出して、溶接機の送給ロ−ラ１５，コンジットライナ１６および溶接ト−チ１７に通して溶接を開始するが、溶接が進行するにつれて、コイル巻ワイヤは消費されてゆき、送給アダプタ１２の残ワイヤが最下層付近になったとき、図１１の（ｂ）に示すように、送給アダプタ１２の残りワイヤが跳ねてばらける。これによりワイヤが送給アダプタ支持軸に絡み付くことがあり、絡み付くとワイヤ送給がストップする等の不具合を生ずる。
【０００７】
本発明は、ワイヤの巻戻し終期のワイヤの跳ねを防止することを第１の目的とする。リ−ル等巻枠を使用しない、使用前のコイル巻きワイヤに於いてもコイル巻き層状形状を維持することを第２の目的とし、コイル巻きワイヤを使用する際の結束用針金を除去する手間を少くすることを第３の目的とし、結束用針金の先端突出をなくすことを第４の目的とする。上記ワイヤの跳ねを防止する送給アダプタを提供することを第５の目的とし、ワイヤ使用機器へのコイル巻きワイヤの装着が容易な送給アダプタを提供することを第６の目的とし、コイル巻きワイヤを装着してからのその結束用針金の除去が容易な送給アダプタを提供することを第７の目的とする。
【０００８】
【課題を解決するための手段】
（１）本発明の、巻き始め始端を最内層かつ円筒端として、中空円筒状に多層巻きしたコイル巻きワイヤは、上記巻き始め始端(1s)が、コイルル−プの半径方向に曲げられそしてコイル中心線に平行な方向に曲げられた鉤型(1sr,1sa)であることを特徴とする。なお、理解を容易にするためにカッコ内には、図面に示し後述する実施例の対応要素の符号を、参考までに付記した。
【０００９】
これによれば、該コイル巻きワイヤを送給アダプタ(5)に装着するとき、巻き始め始端(1s)を送給アダプタ(5)に係合させることにより、巻き始め始端(1s)が送給アダプタと共に廻り、送給アダプタに対して滑らないので、ワイヤの跳ねを生じない。
【００１０】
【発明の実施の形態】
（２）本発明の一実施態様のコイル巻きワイヤは、両端面が実質上平板リング状であって両端面間の外周面が実質上円柱面の厚肉円筒形状のコイル体であるコイル巻きワイヤ(1)であって、中心空間に結束ワイヤ(3a〜3d)を通しこれをコイル体の内周面および両端面に沿うようにコの字形に折り曲げ、折り曲げた両脚を外周面に沿うように折り曲げてロの字形にコイル体を囲み、外周面と略平行となった両脚をコイル体の外周面に押し付けるように、外周面に周方向に沿って連結ワイヤ(2)を沿わせてこれにより外周面に対して結束ワイヤ(3a〜3d)の両脚を締め付けて該連結ワイヤの両端同志を結び、結束ワイヤ(3a〜3d)の両脚の先端(3as〜3ds,3ae〜3de)を連結ワイヤを周回するように折り返して結束したものである。
【００１１】
これによれば、結束ワイヤ(3a〜3d)の連結部に於いて、各結束ワイヤ端末は各々折り返して(180度反転して)あるので先端突出は少ない。結束されたコイル巻きワイヤ(1)を使用する際には、送給アダプタ(5)に装着した後、ル−プ状に連結した連結ワイヤ(2)の締結を解くと共に、始端(2s)又は終端(2e)を引出す（コイル接線方向に引張る）。すると連結ワイヤ(2)は、結束ワイヤ(3a〜3d)の連結部分を抜け出し、コイル巻きしたワイヤ(1)から外れる。連結ワイヤ(2)が抜けた結果、結束ワイヤ(3a〜3d)の連結部分は一挙に締結が解けるので、個々に結束ワイヤ(3a〜3d)の連結部分を解除する必要は無い。結束ワイヤ(3a〜3d)を取り除けばコイル巻きしたワイヤ(1)の結束解除作業は完了する。
（３）本発明のもう1つの実施態様のコイル巻きワイヤは、両端面が実質上平板リング状であって両端面間の外周面が実質上円柱面の厚肉円筒形状のコイル体であるコイル巻きワイヤ(1)であって、中心空間に複数の結束ワイヤ(3a〜3d)を通しこれらをコイル体の内周面および両端面に沿うようにコの字形に折り曲げ、ワイヤ(1)の最終巻回ル−プ(1e)は除く外周面に沿うように結束ワイヤの両脚を折り曲げて、ロの字形にコイル体を囲み、外周面と略平行となった両脚をコイル体の外周面に押し付けるように、最終巻回ル−プ(1e)により外周面に対して結束ワイヤ(3a〜3d)の両脚を締め付け、結束ワイヤ(3a〜3d)の両脚の先端を最終巻回ル−プ(1e)を周回するように折り返し、最終巻回ル−プ(1e)の端部を１つの結束ワイヤに係止して結束したものである。
【００１２】
これによれば、結束ワイヤ(3a〜3d)の連結部に於いて、各ワイヤ端末は各々折り返して(180度反転して)あるので先端突出は少ない。結束されたコイル巻きワイヤ(1)を使用する際には、送給アダプタ(5)に装着した後、コイル巻きワイヤ(1)の反転部を径方向から引離す（引上げる）。すると連結ワイヤ(2)と複数個の結束ワイヤ(3d〜3a)の連結部分が次々に外れ締結が解けるので、個々に結束ワイヤ(3a〜3d)の連結部分を解除する必要は無い。最終に締結が解け不要となった結束ワイヤ(3a〜3d)を取り除けばコイル巻きしたワイヤ(1)の結束解除作業は完了する。
（４）前記結束ワイヤ(3a〜3d)の両脚の先端を、先端同志が鎖交するように折り返す。これによれば、結束ワイヤの先端が包装を破ることがない。
（５）コイル巻きワイヤ(1)が装着される円筒状の胴(5b)と、その一端においてそれと一体であって、コイル巻きワイヤ(1)の結束線材(3a〜3d)を受入れる径方向に開いた切欠(5d1〜5d4)を有する固定フランジ(5ff)と、前記円筒状の胴(5b)の他端にある係合部材(6A,6B)および前記鉤型の巻き始め始端(1s=1sr+1sa)を受入れる切欠(5br1〜5br4,5ar1〜5ar4)と、を有するフランジ付き胴体；および、
前記係合部材(6A,6B)に結合する係止部材(8A,8B)と前記（２）又は（３）に記載のコイル巻きワイヤ(1)の結束線材(3a〜3d)を受入れる径方向に開いた切欠(5c1〜5c4)とを有する着脱フランジ；を備える送給アダプタ。
【００１３】
これによれば、コイル巻きワイヤ(1)を円筒状の胴(5b)を受け入れるようにフランジ付き胴体に装着するとき、該ワイヤ(1)の鉤型の巻き始め始端(1s=1sr+1sa)が切欠(5br1〜5br4,5ar1〜5ar4)にはまり込む。これにより、巻き始め始端(1s=1sr+1sa)の、コイルル−プの半径方向に曲げられた径方向辺(1sr)は、送給アダプタに対してコイル始端(1s)の軸方向およびコイル引出し方向の移動を拘束し、コイル中心線に平行な方向に曲げられた軸平行辺(1sa)は上跳ねを拘束し、これにより、巻き始め始端(1s)が送給アダプタと共に廻り、送給アダプタに対して滑らないので、ワイヤの跳ねを生じない。
【００１４】
また、コイル巻きワイヤ(1)のコイル中心空間に胴(5b)を通してコイル巻きワイヤ(1)の結束線(3a〜3d)を、固定フランジ(5ff)に設けた切欠(5d1〜5d4)にて受入れ、そして着脱フランジ(5fr)を胴(5b)に係止することにより、ワイヤ(1)の結束線(3a)が着脱フランジ(5fr)に設けた切欠(5c1〜5c4)にも受入れられて、胴(5b)，固定フランジ(5ff)および着脱フランジ(5fr)が一体となる。すなわち、コイル巻きワイヤ(1)を装着したリ−ル形状のワイヤ送給アダプタとなる。
【００１５】
コイル巻きワイヤ(1)が固定フランジ(5ff)に設けた切欠(5d1〜5d4)および着脱フランジ(5fr)に設けた切欠(5c1〜5c4)に見えるので、作業者は、例えばコイル外周面又は切欠(5d1〜5d4／5c1〜5c4)で結束線(3a)の結びをほどき、あるいは結束線(3a)を切断して、切欠(5d1〜5d4／5c1〜5c4)で胴の軸方向に引き抜くことができる。結束した状態のコイル巻きワイヤ(1)を装着後、結束線(3a)を取り外すのでコイル形状が崩れることがない。
【００１６】
このように結束線(3a〜3d)を除去してから、コイル巻きワイヤ(1)が溶接用ワイヤの場合では、胴(5b)を溶接機のワイヤ送給装置のコイル支持軸に装着し、ワイヤ送給装置のワイヤ引出しロ−ラにて挟みそしてワイヤ先端を溶接ト−チに通すことにより、溶接ワイヤの送給準備が完了する。送給アダプタ（胴5b＋固定フランジ5ff＋着脱フランジ5fr）を溶接機に装着するので、コイル巻きワイヤ(1)の、溶接機への装着が容易である。胴(5b)をコイル支持軸に装着してから結束線(3a)を除去してもよい。
【００１７】
固定フランジ(5ff)および着脱フランジ(5fr)に切欠(5d1〜5d4,5c1〜5c4)がありそこに結束線(3a〜3d)を受入れるので、送給アダプタ（胴5b＋固定フランジ5ff＋着脱フランジ5fr）は、コイル巻きワイヤをぴったりと確実に支持する。
（６）前記フランジ付き胴体は、その胴(5b)及び固定フランジ(5ff)の中央を貫く軸心(5s)を更に有し、着脱フランジ(5fr)は、該軸心(5s)が貫通するための中心開口を有する。これによれば、中心開口に軸心(5s)を受入れることにより、胴(5b)に対して半径方向の着脱フランジ(5fr)の位置決めが自動的に定まり、胴(5b)に対する着脱フランジ(5fr)の装着が更に容易である。
（７）前記フランジ付胴体は、その胴(5b)に、径方向に開き軸方向に延びて前記切欠(5d1〜5d4)に連続する溝(5e1〜5e4)を有する。結束線(3a)が胴(5b)の溝(5e1〜5e4)に入っているので、結束線(3a)を引き抜くときの抵抗は低く、抜き出し除去が容易である。
【００１８】
本発明の他の目的および特徴は、図面を参照した以下の実施例の説明より明らかになろう。
【００１９】
【実施例】
−第１実施例−
図１に本発明の第１実施例（別線方式）のコイル巻き溶接ワイヤを示す。コイル巻き溶接ワイヤ１は円筒状を成し、そのコイル断面は長方形である。コイル巻き溶接ワイヤ１は重量１０ｋｇ〜２０ｋｇ程度であり、コイル外径（円筒外径）及びコイル内径（円筒内径）は使用条件に応じて決定する。コイル巻き溶接ワイヤ１には、その外周面１ｇの幅中央に沿って連結ワイヤ２が一周している。またコイル巻き溶接ワイヤ１の円筒状コイル部分を、略９０度間隔で４個所、結束ワイヤ３ａ〜３ｄが結束している。結束した後に、最内層の円筒端にあってル−プ端となっている巻き始め始端１ｓを、まずル−プの半径方向に折り曲げて半径方向辺１ｓｒとし、次にその先端側略半分を略コイル軸に平行にしかもコイル内方に折り曲げて軸平行辺１ｓａとして、巻き始め始端１ｓを鉤型にしている。
【００２０】
図２に、図１に示した連結ワイヤ２の先端部の結び目を拡大して示す。連結ワイヤ２の始端２ｓと終端２ｅを、外周面１ｇを締める様に相互に引いた状態で交鎖させて、始端２ｓ及び終端２ｅが各々逆方向に向く様に折り曲げている。これにより連結ワイヤ２は、外周面１ｇの幅中央に固定されている。連結ワイヤ２には１．２ｍｍφ〜１．４ｍｍφのソリッドワイヤ（軟鋼線）を使用した。該材料は折り曲げ（塑性変形）し難いが引張り強度が大で延びも少なく、連結ワイヤ２に適す。表１に連結ワイヤ２及び結束ワイヤ３ａ〜３ｄの物性を示す。
【００２１】
【表１】

図３の（ａ）に、結束ワイヤ３ａの先端部の結び目（接続部）を拡大して示す。結束ワイヤ３ａはコイル巻き溶接ワイヤ１のコイル断面（長方形）に沿って一周し、その始端３ａｓと終端３ａｅが連結ワイヤ２に接続されている。即ちコイル断面（長方形）に沿って一周した結束ワイヤ３ａの始端３ａｓと終端３ａｅの上に連結ワイヤ２があり、結束ワイヤ３ａの始端３ａｓと終端３ａｅに引張力を加えた状態で逆方向に折り曲げられて連結ワイヤ２を略半周している。図３の（ｂ）に、図３の（ａ）の平面を示す。図に示す様に、始端３ａｓと終端３ａｅは相互に交鎖させず連結ワイヤ２を周回した状態で折り曲げてある。
【００２２】
結束ワイヤ３ａ〜３ｄには１．４ｍｍφの番線を使用した。該材料は折り曲げ（塑性変形）し易いが引張り強度は小で、延びも大きい。しかしコイル断面が長方形であるコイル巻き溶接ワイヤ１を結束する場合、この様に折り曲げ（塑性変形）し易い材料を使用することにより該コイル断面の角が丸く変化する事ないので、該材料は結束ワイヤ３ａ〜３ｄに適す（表１を参照）。該材料を使用して、図３に示す様に結束ワイヤ３ａの始端３ａｓと終端３ａｅを折り曲げて結び目とした時、該結び目は少なくとも１０ｋｇｆの引張り力に耐える。他の結束ワイヤ３ｂ〜３ｄの端末も同様に連結ワイヤ２に接続する。
【００２３】
図１に示す様に結束されたコイル巻き溶接ワイヤ１を図示しない溶接機に装着して使用する際に、連結ワイヤ２及び結束ワイヤ３ａ〜３ｄを取り外す方法について説明する。図１０に示すように、溶接機用の送給アダプタ５にコイル巻き溶接ワイヤ１を装着する。このとき、鉤型の巻き始め始端１ｓを、送給アダプタ５の胴端の、図８，図９に示す切欠（5br1，5ar1）〜（5br4,5ar4）のいずれかにはめ込む。そして着脱フランジ５ｆｒを胴端に装着して送給アダプタ５にコイル巻き溶接ワイヤ１を一体にした後、送給アダプタ５を溶接機の送給機に装着する。そして先ず、図２に示す連結ワイヤ２の始端２ｓと終端２ｅの交鎖を解く（端末をひねって連結を解き交鎖していた端末部分を直線状に延ばす。あるいは交鎖部を切断する）。そして始端２ｓまたは終端２ｅを引張ると連結ワイヤ２は結束ワイヤ３ａ〜３ｄとの結び目を潜り抜けて取り外される。その結果、結束ワイヤ３ａ〜３ｄの連結ワイヤ２に対する接続が外れるので、コイル巻き溶接ワイヤ１より結束ワイヤ３ａ〜３ｄを取り外す。
【００２４】
この様に製品としてリ−ル等巻枠を使用しないコイル巻き溶接ワイヤ１に於いても連結ワイヤ２及び結束ワイヤ３ａ〜３ｄを使用することによりコイル巻き層状形状を維持することが出来、また連結ワイヤ２及び結束ワイヤ３ａ〜３ｄを除去するのに手間を要しない。連結ワイヤ２及び結束ワイヤ３ａ〜３ｄの端末部分（結び目）はワイヤ本体に沿って折り曲げてあるので突出が少なく、コイル巻き溶接ワイヤ１を包装したフィルム状の材料を破損することがない。
【００２５】
−第２実施例−
図４に本発明の第２実施例（連線方式）によって結束されたコイル巻き溶接ワイヤを示す。コイル巻き溶接ワイヤ１は第１実施例で示したものと同様であるが、そのコイル終端部の約１周分を連結ワイヤ２として使用している。コイル巻き溶接ワイヤ１の円筒状コイル部分を、略９０度間隔で４個所、結束ワイヤ３ａ〜３ｄにより結束している。結束ワイヤとして使用する材料は第１実施例で使用するものと同じである。結束した後に、最内層の円筒端にあってル−プ端となっている巻き始め始端１ｓを、まずル−プの半径方向に折り曲げて半径方向辺１ｓｒとし、次にその先端側略半分を略コイル軸に平行にしかもコイル内方に折り曲げて軸平行辺１ｓａとして、巻き始め始端１ｓを鉤型にしている。
【００２６】
図５の（ａ）に、結束ワイヤ３ｄの先端部の結び目（接続部）を拡大して示す。結束ワイヤ３ｄはコイル巻き溶接ワイヤ１のコイル断面（長方形）に沿って一周し、その始端３ｄｓと終端３ｄｅを連結ワイヤ２に接続している。即ちコイル断面（長方形）に沿って一周した結束ワイヤ３ｄの始端３ｄｓと終端３ｄｅの上に連結ワイヤ２（溶接ワイヤの最終ル−プ）を配置し、引張力を加えた状態で連結ワイヤ２を略半周して相互に交鎖させつつ逆方向に折り曲げてある。図５の（ｂ）に、図５の（ａ）の平面を示す。図に示す様に、始端３ｄｓと終端３ｄｅは相互に交鎖させて、連結ワイヤ２を周回した状態で始端３ｄｓが逆方向に向く様に１８０度折り曲げ、また終端３ｄｅも逆方向に向く様に１８０度折り曲げている。これにより結束ワイヤ３ｄの始端３ｄｓと終端３ｄｅは連結ワイヤ２に対して接続され、コイル巻き溶接ワイヤ１のコイル部分は結束ワイヤ３ｄにより結束されている。他の結束ワイヤ３ａ〜３ｃの端末も同様に連結ワイヤ２に接続している。
【００２７】
図６に、図４に示した連結ワイヤ２の先端部（溶接ワイヤ端末部）の結び目を拡大して示す。コイル巻き溶接ワイヤ１のコイル終端部を使用した連結ワイヤ２に、結束ワイヤ３ｂ〜３ｄを接続した後、コイル巻き溶接ワイヤ１のコイル終端１ｅに結束ワイヤ３ａを接続する（この時すでに結束ワイヤ３ａは、図７の（ｄ）の状態になっている）。結束ワイヤはコイル巻き溶接ワイヤ１の円筒状コイル部分に９０度間隔で４個所配置してあり、最後の結束ワイヤ３ａの部分に於いては連結ワイヤ２を２重（２本）とした。すなわち、溶接ワイヤの巻終り２ル−プの線材を結束ワイヤ３ａで抱いている。
【００２８】
図７に結束ワイヤ３ｄ（３ｂ，３ｃ）の結束手順を示す。図７の（ａ）に於いてコイル巻き溶接ワイヤ１のコイル部分に結束ワイヤ３ｄを潜り通し、（ｂ）に於いてコイル部分に沿って結束ワイヤ３ｄを折り曲げる。（ｃ）に於いてコイル部分に沿って結束ワイヤ３ｄを更に折り曲げ、コイル部分を一周させる。（ｄ）は（ｃ）の折り曲げた結束ワイヤ３ｄの上に連結ワイヤ２（コイル巻き溶接ワイヤ１のコイル終端）を密着させた状態である。（ｅ）は結束ワイヤ３ｄの始端３ｄｓと終端３ｄｅを相互に交鎖させて、始端３ｄｓが逆方向に向く様に１８０度折り曲げ、また終端３ｄｅも逆方向に向く様に１８０度折り曲げた状態を平面で示し、（ｇ）はその正面図である。（ｆ）は（ｅ）にて折り曲げた、始端３ｄｓと終端３ｄｅの余長部分を切断した状態を示す。結束ワイヤ３ａは（ｄ）の状態で１回転して（ｅ）の状態になる。そして結束ワイヤ３ａが１回転する間に３ｂ，３ｃ，３ｄは（ｅ）の状態になる。
【００２９】
図４に示す様に結束されたコイル巻き溶接ワイヤ１を図示しない溶接機に装着して使用する際に、連結ワイヤ２及び結束ワイヤ３ａ〜３ｄを取り外す方法について説明する。図８に示す溶接機用の送給アダプタ５の胴にコイル巻き溶接ワイヤ１を装着する。このとき鉤型の巻き始め始端１ｓを、送給アダプタ５の胴端の、図８，図９に示す切欠（5br1，5ar1）〜（5br4,5ar4）のいずれかにはめ込む。そして着脱フランジ５ｆｒを胴端に装着して送給アダプタ５にコイル巻き溶接ワイヤ１を一体にした後、送給アダプタ５を溶接機の送給機に装着する。
【００３０】
そして先ず、図６に示す連結ワイヤ２の終端（コイル巻き溶接ワイヤ１のコイル終端１ｅ）の折り曲げ部の１８０度折り曲げられた終端１ｅをペンチ等で掴み、コイル巻き溶接ワイヤ１の外周面１ｇと離す方向に引上げる。この引上げ力により結束ワイヤ３ａ〜３ｄの連結ワイヤ２（コイル巻き溶接ワイヤ１のコイル終端）に対する接続を解く。その後、ペンチ等で結束ワイヤ３ａ〜３ｄの端末を掴み、コイル巻き溶接ワイヤ１より引き抜く。
【００３１】
この様に製品としてリ−ル等巻枠を使用しないコイル巻き溶接ワイヤ１に於いても結束ワイヤ３ａ〜３ｄ及びコイル巻き溶接ワイヤ１のコイル終端と共通な連結ワイヤ２を使用することによりコイル巻き層状形状を維持することが出来、結束ワイヤ３ａ〜３ｄを除去するのに手間を要しない。連結ワイヤ２及び結束ワイヤ３ａ〜３ｄの端末部分（結び目）はワイヤ本体に沿って折り曲げてあるのみなので突出が少なく、コイル巻き溶接ワイヤ１を包装したフィルム状の材料を破損することがない。コイル巻き溶接ワイヤ１のコイル終端を連結ワイヤ２として使用するので材料の無駄が少なく、またコイル巻き溶接ワイヤの終端処理が省略出来る。
【００３２】
次に、上述の第１実施例および第２実施例のコイル巻き溶接ワイヤ１を溶接機に装着するのに用いる送給アダプタ５を説明する。
【００３３】
図８に、送給アダプタ５の要素のみを、着脱フランジ５ｆｒをフランジ付胴体（５ｂ＋５ｆｆ）から取り外して示し、その状態のフランジ付胴体（５ｂ＋５ｆｆ）の胴端の正面を図９に示し、送給アダプタ５の外観を図１０に示す。コイル巻き溶接ワイヤ１は、フランジ５ｆｆを備えた胴５ｂ（図８）に装着され、該コイル巻き溶接ワイヤ１を挾んで着脱フランジ５ｆｒが胴５ｂの先端に取り付けられる。フランジ付胴体（５ｂ＋５ｆｆ）にコイル巻き溶接ワイヤ１を装着してフランジ付胴体（５ｂ＋５ｆｆ）に着脱フランジ５ｆｒを装着した外観が、図１０に示すものである。
【００３４】
図８および図１０に示す着脱フランジ５ｆｒには、切欠５ｃ１〜５ｃ４が設けてあり、固定フランジ５ｆｆのこれと対向する位置にも切欠５ｄ１〜５ｄ４が設けてある。固定フランジ５ｆｆには胴５ｂが一体に取り付けてあり、胴５ｂには溝５ｅ１〜５ｅ４がある。この溝５ｅ１〜５ｅ４と連続する様にして固定フランジ５ｆｆに切欠５ｄ１〜５ｄ４が設けてあり、また着脱フランジ５ｆｒを取り付けた時、その切欠５ｃ１〜５ｃ４も溝５ｅ１〜５ｅ４と連続する。従って図１に示す様に、コイル巻き溶接ワイヤ１の内側には溝空間が形成されので、この空間に結束ワイヤ３ａ〜３ｄが入り込むことが出来る。
【００３５】
胴５ｂの胴端（フランジ５ｆｆがある端部と対向する反対側の端部）には、胴５ｂの中心にあってそれを貫通するパイプ状の軸心５ｓがあり、この軸心５ｓに関して対称に、略Ｌ型の、係合部材であるフック６Ａ，６Ｂが設けられている。着脱フランジ５ｆｒの中心には軸心５ｓを通すための丸穴があり、フック６Ａ，６Ｂを受入れる貫通穴７Ａ，７Ｂ（図２）が、該丸穴に関して対称に開いておりまた、穴７Ａ，７Ｂを貫通したフック６Ａ，６Ｂを掛け止めする、係止部材であるバックル錠８Ａ，８Ｂが、やはり軸心５ｓを通す丸穴に関して対称に設けられている。
【００３６】
バックル錠８Ａの摘子は、着脱フランジ５ｆｒの平面に対して起立するように回転自在に着脱フランジ５ｆｒで支持されている。２個の、略コ型であってその２脚の脚端が圧縮コイルスプリングに係合するように外向きに曲った係合片がロ型となるように組合わされてそれらの一方が摘子に回転自在に支持されている。２個の係合片の脚が圧縮コイルスプリングを貫通し、圧縮コイルスプリングにて、互に離れるように押されかつロ型となるように結合している。作業者により摘子が着脱フランジ５ｆｒの平面に対して略垂直になるように立てられるとき、ロ型をなす係合片およびそれに結合した圧縮コイルスプリングが、軸心５ｓを通す丸穴に近づく方向に移動してロ型の内空間が、フック受入れ用の穴７Ａに対向する。この状態で、係合片のロ型の内空間に、穴７Ａを貫通したフック６Ａを受入れることができる。バックル錠８Ｂの構造および寸法はバックル錠８Ｂと同一であり、作業者によりバックル錠８Ｂの摘子が着脱フランジ５ｆｒの平面に対して略垂直になるように立てられるとき、バックル錠８Ｂのロ型をなす係合片およびそれに結合した圧縮コイルスプリングが、軸心５ｓを通す丸穴に近づく方向に移動してロ型の内空間が、フック受入れ用の穴７Ｂに対向する。この状態で、係合片のロ型の内空間に、穴７Ｂを貫通したフック６Ｂを受入れることができる。
【００３７】
図８および図９に示すように、胴５ｂの胴端には、コイル巻き溶接ワイヤ１の巻き始め始端１ｓを受入れるための切欠（5br1，5ar1）〜（5br4,5ar4）が９０度ピッチで設けられている。切欠５ｂｒ１〜５ｂｒ４は、円筒胴５ｂの端面に切込まれた、巻き始め始端１ｓの半径方向辺１ｓｒ（図１，図４）を受入れる溝であり、切欠５ａｒ１〜５ａｒ４は、円筒胴５ｂの胴端を閉じている端板５ａの円周面に切込まれた、巻き始め始端１ｓの軸平行辺１ｓａ（図１，図４）を、胴内空間に受入れる溝である。
【００３８】
送給アダプタ５にコイル巻き溶接ワイヤ１を装着するときには、コイル巻き溶接ワイヤ１を、巻き始め始端１ｓが無い側の端からその内空間に胴５ｂを受入れるようにして固定フランジ５ｆｆに当てる。このとき巻き始め始端１ｓが、切欠（5br1，5ar1）〜（5br4,5ar4）のいずれかに合うようにコイル１を廻わし、巻き始め始端１ｓを該切欠に挿入する。そして上述のように、バックル錠８Ａ，８Ｂの摘子を着脱フランジ５ｆｒの平面に対して略垂直に立てて、着脱フランジ５ｆｒの穴７Ａ，７Ｂにフランジ付胴体（５ｂ＋５ｆｆ）のフック６Ａ，６Ｂを受入れるように、着脱フランジ５ｆｒを胴５ｂの胴端に当て、バックル錠８Ａの係合片のロ型空間に、フック６Ａの頭部を通して、バックル錠８Ａの摘子を着脱フランジ５ｆｒの平面に最も近い位置まで倒す。このときロ型をなす係合片が軸心５ｓから離れる方向に移動し、係合片の１つがフック６Ａのかぎ形状部に係合し、ロ型が延び圧縮コイルスプリングが圧縮される。また、バックル錠８Ｂの係合片のロ型空間に、フック６Ｂの頭部を通して、バックル錠８Ｂの摘子を着脱フランジ５ｆｒの平面に最も近い位置まで倒す。このときロ型をなす係合片が軸心５ｓから離れる方向に移動し、係合片の１つがフック６Ｂのかぎ形状部に係合し、ロ型が延び圧縮コイルスプリングが圧縮される。このように結合した状態を図１０に示す。
【００３９】
その後送給アダプタ５の中心の円筒でなる軸心５ｓを送給機１３（図１１の（ａ））に結合することにより、結束ワイヤ３ａ〜３ｄで結束された状態でコイル巻き溶接ワイヤ１が溶接機に装着されたことになる。次に、上述のように結束ワイヤ３ａ〜３ｄを除去する。そして送給アダプタ５から溶接ワイヤを引き出して、溶接機の送給ロ−ラ１５，コンジットライナ１６および溶接ト−チ１７に通して溶接を開始する。この状態を図１１の（ａ）に示す。溶接が進行するにつれて、コイル巻ワイヤは消費されてゆき、送給アダプタ５の残ワイヤが最下層付近になっても、溶接ワイヤ１の、鉤型の巻き始め始端１ｓが切欠（5br1，5ar1）〜（5br4,5ar4）の１つに係合して、これにより始端１ｓの周方向および軸方向に移動が拘止されているので、ワイヤ引出し張力にて最下層のワイヤは胴５ｂに密着し、ワイヤ跳ねを生じない。
【図面の簡単な説明】
【図１】本発明のコイル巻き溶接ワイヤの第１実施例を示す斜視図である。
【図２】図１に示す連結ワイヤ始端２ｓと、連結ワイヤ終端２ｅの結び目を示す拡大平面図である。
【図３】（ａ）は図１に示す結束ワイヤ３ａと、連結ワイヤ終端２の結び目を示す拡大正面図であり、（ｂ）は（ａ）の平面図である。
【図４】本発明のコイル巻き溶接ワイヤの第２実施例を示す斜視図である。
【図５】（ａ）は図４に示す結束ワイヤ３ａと、連結ワイヤ終端２の結び目を示す拡大正面図であり、（ｂ）は（ａ）の平面図である。
【図６】図４に示す結束ワイヤ３ｄと連結ワイヤ終端２ｅの結び目を示す拡大平面図である。
【図７】（ａ）〜（ｆ）に図４で示す結束ワイヤ３ｄと連結ワイヤ終端２ｅを接続する順序を正面及び平面で示し、（ｇ）は結び目を拡大正面図で示す。
【図８】コイル巻き溶接ワイヤを装着する送給アダプタの、コイル装着前の状態を示す斜視図である。
【図９】図８に示す送給アダプタの胴５ｂの胴端から見た正面図である。
【図１０】コイル巻き溶接ワイヤを装着した送給アダプタの外観を示す斜視図である。
【図１１】（ａ）は送給アダプタより溶接ワイヤを引出して溶接しているときの、溶接機の送給機の側面図であり、（ｂ）は、従来の溶接ワイヤおよび送給アダプタを用いているときの、溶接ワイヤ残量が少くなったときのワイヤ跳ねを示す側面図である。
【符号の説明】
１：コイル巻き溶接ワイヤ
１ｓ：コイル巻き始端
１ｓｒ：半径方向辺
１ｓａ：軸平行辺
１ｅ：コイル巻き終端
１ｇ：コイル外周面
２：連結ワイヤ
２ｃ：連結ワイヤ結び目
２ｅ：連結ワイヤ終端
２ｓ：連結ワイヤ始端
３ａ〜３ｄ：結束ワイヤ
３ａｃ〜３ｄｃ：結束ワイヤ結び目
３ａｅ〜３ｄｅ：結束ワイヤ終端
３ａｓ〜３ｄｓ：結束ワイヤ始端
５：送給アダプタ
５ｂ：胴
５ｃ１〜５ｃ４：着脱フランジの切欠部
５ｄ１〜５ｄ４：フランジの切欠部
５ｅ１〜５ｅ４：胴の溝
５ｆｆ：固定フランジ
５ｆｒ：着脱フランジ
５ｓ：軸心
６Ａ，６Ｂ：フック
７Ａ，７Ｂ：穴
８Ａ，８Ｂ：バックル錠[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a coiled wire and a feed adapter for mounting it, and in particular, but not intended to be limited to, a coiled wire and used for feeding it to a welding torch. Regarding the feeding adapter.
[0002]
[Prior art]
In order to efficiently transport, store or compactly attach a welding wire, which is a long wire, to a welding machine, the welding wire is usually coiled. A winding frame is used when winding the welding wire around the coil. Conventionally, this winding frame has been shipped as a coil winding welding wire (product) as it is. For example, according to the method disclosed in Japanese Patent Laid-Open No. 58-10346, a wire is stored using a reel made of a relatively thick metal wire. That is, a plurality of reel elements configured to be part of a reel by bending a single metal wire are arranged in a circular shape as a whole and spot welded together. To form a reel. Further, according to the method disclosed in Japanese Patent Application Laid-Open No. 62-19646, a single metal wire is bent at several points in order to cope with the distortion generated in the reel element due to the impact applied during handling of the reel. The flange portion is composed of a frame composed of at least two arcuate rim portions and at least two radial rim portions, and a plurality of these are arranged in a circular shape and joined together to form a reel. Yes. Some reels use plastic or the like. Coil a welding wire around these reels, lock the winding start end to the winding drum and the winding end to the flange, and then wrap the whole with a moisture-proof material such as a heat shrink film, and heat-shrink the film. In addition, they are shipped in a cardboard box or the like.
[0003]
According to the method disclosed in Japanese Patent Laid-Open No. 5-84573, a wire wound in a coil shape without using a reel or the like winding frame is restrained by a detachable holder. Examples of the restraint holder include a needle bent in a U-shape or a clip-shaped metal wire jig having a spring action. Japanese Patent Laid-Open No. 6-278714 discloses a method in which a wire wound in a coil shape without using a reel or the like is wrapped in a bag with an aluminum composite film and sealed after deaeration. Yes. That is, a wire wound in a coil shape without using a winding frame is bundled with a wire to adjust the shape, and a flag (tag) is provided at the wire start end to clarify the use end and to prevent sinking into the coil body. Attach a flag (tag) similar to the end of the wire to the end of the wire, and then wrap it in a bag with an aluminum composite film and seal it.
[0004]
[Problems to be solved by the invention]
However, in the case where the welding wire is coiled using a reel or the like winding frame disclosed in, for example, the above Japanese Patent Laid-Open No. 58-10346 or Japanese Patent Laid-Open No. 62-19646, the welding wire When this is used, the reel or the like winding frame is disposable, which increases the manufacturing cost and requires processing as industrial waste, which is wasteful. Japanese Patent Laid-Open No. 5-84573 discloses a method for restraining a welding wire wound in a coil shape without using a reel or the like winding frame with a detachable holder. Layered shape tends to collapse. Therefore, in order to maintain the layered shape of the welding wire wound in a coil shape, for example, when winding around a wide steel band, the material cost becomes high, and binding is done using a cheap plastic band. In this case, when the band is tightened, the corners of the cross-sectional shape of the coiled welding wire are rounded from a square to a circle, and the layered shape tends to collapse.
[0005]
Further, the method of wrapping in the state in which the coil shape is held with the film-like material disclosed in Japanese Patent Application Laid-Open No. 5-84573 has a low ability to hold the shape only with the film-like material. It is necessary to arrange the shape. Usually, the ends of the wire for binding are twisted together in a rope shape to bind them, but the film-like material packaged at the tip of the wire is easily damaged, and when using a welding wire, It takes time and effort to remove the binding wire using pliers or the like.
[0006]
The user removes the package of the coiled welding wire described above, attaches it to the feeding adapter, and attaches the feeding adapter 12 to the feeder 13 of the welding machine as shown in FIG. The welding wire is pulled out from the feeding adapter 12 and is passed through the feeding roller 15, the conduit liner 16 and the welding torch 17 of the welding machine, and welding is started. When it is consumed and the remaining wire of the feeding adapter 12 is in the vicinity of the lowermost layer, the remaining wire of the feeding adapter 12 jumps away as shown in FIG. As a result, the wire may become entangled with the feeding adapter support shaft, and if it becomes entangled, problems such as the wire feeding being stopped occur.
[0007]
The first object of the present invention is to prevent the wire from bouncing at the end of unwinding of the wire. The second purpose is to maintain the coil winding layer shape even in the coil winding wire before use without using a reel winding frame, and the trouble of removing the wire for binding when using the coil winding wire A third object is to reduce the amount of the wire, and a fourth object is to eliminate the tip protrusion of the binding wire. A fifth object is to provide a feeding adapter that prevents the wire from bouncing, and a sixth object is to provide a feeding adapter that allows easy attachment of a coil winding wire to a wire-using device. It is a seventh object to provide a feeding adapter in which the wire for binding after the wire is attached can be easily removed.
[0008]
[Means for Solving the Problems]
(1) In the coil winding wire of the present invention, in which the winding start start end is the innermost layer and the cylindrical end, and the coil winding wire is wound in a hollow cylindrical shape, the winding start start end (1 s) is bent in the radial direction of the coil loop It is a saddle type (1sr, 1sa) bent in a direction parallel to the center line. In addition, in order to make an understanding easy, the code | symbol of the corresponding element of the Example shown in drawing and mentioned later is added to the parenthesis for reference.
[0009]
According to this, when the coil winding wire is attached to the feed adapter (5), the winding start start end (1s) is fed to the feed adapter (5) by engaging the winding start start end (1s) with the feed adapter (5). It does not slide with the adapter and does not slip with respect to the feeding adapter, so there is no wire bounce.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
(2) A coil winding wire according to an embodiment of the present invention is a coil winding wire that is a thick cylindrical coil body having both end faces substantially in the shape of a flat ring and the outer peripheral surface between both end faces is substantially a cylindrical surface. (1) The bundling wires (3a to 3d) are passed through the central space, bent into a U-shape along the inner peripheral surface and both end surfaces of the coil body, and both bent legs are along the outer peripheral surface. Bend the coil body in a square shape and place the connecting wire (2) along the outer circumferential surface along the circumferential direction so that both legs that are approximately parallel to the outer circumferential surface are pressed against the outer circumferential surface of the coil body. Tighten both ends of the binding wire (3a to 3d) to the outer peripheral surface to tie both ends of the connecting wire, and connect the tip of the both ends of the binding wire (3a to 3d) (3as to 3ds, 3ae to 3de) with the connecting wire It is folded and bound so as to go around.
[0011]
According to this, at the connecting portion of the binding wires (3a to 3d), each binding wire terminal is folded back (inverted 180 degrees), so that the tip protrusion is small. When using the bundled coil winding wire (1), after attaching to the feeding adapter (5), unfastening the connecting wire (2) connected in a loop shape, and the starting end (2s) or Pull out the end (2e) (pull in the coil tangential direction). Then, the connecting wire (2) comes out of the connecting portion of the binding wires (3a to 3d) and comes off from the coiled wire (1). As a result of the disconnection of the connecting wire (2), the connecting portions of the binding wires (3a to 3d) can be unfastened all at once, so there is no need to individually release the connecting portions of the binding wires (3a to 3d). When the binding wires (3a to 3d) are removed, the binding release operation of the coiled wire (1) is completed.
(3) The coil winding wire according to another embodiment of the present invention is a coil having a thick cylindrical coil body in which both end surfaces are substantially flat ring-shaped and the outer peripheral surface between both end surfaces is substantially cylindrical. Winding wire (1), passing a plurality of bundling wires (3a to 3d) through the central space, bending them into a U-shape along the inner peripheral surface and both end surfaces of the coil body, and the final wire (1) Bend the legs of the binding wire along the outer peripheral surface excluding the winding loop (1e), surround the coil body in a square shape, and press both legs that are approximately parallel to the outer peripheral surface against the outer peripheral surface of the coil body As shown, the final winding loop (1e) tightens the legs of the binding wire (3a to 3d) against the outer peripheral surface, and the ends of both ends of the binding wire (3a to 3d) are connected to the final winding loop (1e). ) Is wound around and the end of the final winding loop (1e) is locked and bound to one binding wire.
[0012]
According to this, at the connecting portion of the binding wires (3a to 3d), each wire terminal is folded back (inverted 180 degrees), so that the tip protrusion is small. When the bound coil winding wire (1) is used, the reversing portion of the coil winding wire (1) is pulled away (pulled up) from the radial direction after being attached to the feeding adapter (5). Then, the connecting portions of the connecting wire (2) and the plurality of binding wires (3d to 3a) are released one after another and the fastening can be released, so there is no need to individually release the connecting portions of the binding wires (3a to 3d). When the binding wires (3a to 3d) that are finally unfastened are removed, the binding release operation of the coiled wire (1) is completed.
(4) Fold up the tips of both legs of the binding wire (3a-3d) so that the tips of each other are linked. According to this, the tip of the binding wire does not break the packaging.
(5) A cylindrical body (5b) to which the coil winding wire (1) is attached, and one end of the cylindrical body (5b), which is integral with the coiled wire (1) and receives the binding wires (3a to 3d) of the coil winding wire (1). A fixing flange (5ff) having an open notch (5d1 to 5d4), an engagement member (6A, 6B) at the other end of the cylindrical body (5b), and a winding start start end (1s = 1sr) + 1sa), a flanged body having a notch (5br1-5br4, 5ar1-5ar4); and
The radial direction which receives the binding wire (3a-3d) of the locking member (8A, 8B) coupled to the engagement member (6A, 6B) and the coil winding wire (1) according to (2) or (3) A feeding adapter comprising: a detachable flange having a notch (5c1 to 5c4) open to the surface.
[0013]
According to this, when the coil winding wire (1) is attached to the flanged body so as to receive the cylindrical body (5b), the winding start start end (1s = 1sr + 1sa) of the saddle type of the wire (1) Fits into the notch (5br1-5br4, 5ar1-5ar4). As a result, the radial side (1 sr) of the winding start start end (1 s = 1 sr + 1sa) bent in the radial direction of the coil loop is aligned with the axial direction of the coil start end (1 s) and the coil extension with respect to the feeding adapter. The axial parallel side (1sa) bent in the direction parallel to the coil center line constrains upward jumping, and this causes the winding start start end (1s) to rotate with the feeding adapter, and the feeding adapter. Does not slip against the wire, so it does not cause wire splashing.
[0014]
In addition, the binding wire (3a to 3d) of the coil winding wire (1) is passed through the body (5b) into the coil central space of the coil winding wire (1) at the notch (5d1 to 5d4) provided on the fixing flange (5ff). By receiving and locking the detachable flange (5fr) to the body (5b), the binding wire (3a) of the wire (1) is also received in the notch (5c1-5c4) provided in the detachable flange (5fr) The body (5b), the fixing flange (5ff) and the detachable flange (5fr) are integrated. That is, it becomes a reel-shaped wire feeding adapter equipped with the coil winding wire (1).
[0015]
The coil winding wire (1) looks like a notch (5d1 to 5d4) provided on the fixed flange (5ff) and a notch (5c1 to 5c4) provided on the detachable flange (5fr). Unwind the binding wire (3a) with (5d1-5d4 / 5c1-5c4), or cut the binding wire (3a) and pull it in the axial direction of the trunk with the notch (5d1-5d4 / 5c1-5c4) Can do. After attaching the coiled wire (1) in a bound state, the binding wire (3a) is removed, so that the coil shape does not collapse.
[0016]
After removing the binding wires (3a-3d) in this way, when the coil winding wire (1) is a welding wire, the body (5b) is attached to the coil support shaft of the wire feeder of the welding machine, The welding wire feeding preparation is completed by pinching with the wire drawing roller of the wire feeding device and passing the wire tip through the welding torch. Since the feeding adapter (cylinder 5b + fixing flange 5ff + detachable flange 5fr) is attached to the welding machine, the coil winding wire (1) can be easily attached to the welding machine. The binding wire (3a) may be removed after the body (5b) is attached to the coil support shaft.
[0017]
Since there is a notch (5d1-5d4, 5c1-5c4) in the fixed flange (5ff) and the removable flange (5fr) and the binding wire (3a-3d) is received there, the feeding adapter (body 5b + fixed flange 5ff + removable flange 5fr) Supports the coiled wire tightly and securely.
(6) The flanged body further includes a shaft center (5s) that passes through the center of the body (5b) and the fixed flange (5ff), and the shaft center (5s) passes through the removable flange (5fr). A central opening for According to this, by receiving the shaft center (5s) in the central opening, the positioning of the detachable flange (5fr) in the radial direction with respect to the barrel (5b) is automatically determined, and the detachable flange (5fr) with respect to the barrel (5b) is automatically determined. ) Is even easier to install.
(7) The flanged body has grooves (5e1 to 5e4) in the body (5b) that open in the radial direction and extend in the axial direction and continue to the notches (5d1 to 5d4). Since the binding wire (3a) is in the grooves (5e1 to 5e4) of the trunk (5b), the resistance when pulling out the binding wire (3a) is low, and the removal is easy.
[0018]
Other objects and features of the present invention will become apparent from the following description of embodiments with reference to the drawings.
[0019]
【Example】
-1st Example-
FIG. 1 shows a coiled welding wire according to a first embodiment (separate line system) of the present invention. The coil winding welding wire 1 has a cylindrical shape, and its coil cross section is rectangular. The coil winding welding wire 1 has a weight of about 10 kg to 20 kg, and the coil outer diameter (cylindrical outer diameter) and the coil inner diameter (cylindrical inner diameter) are determined according to use conditions. The coiled welding wire 1 has a connection wire 2 that goes around the center of the width of the outer peripheral surface 1g. Further, four portions of the cylindrical coil portion of the coiled wire 1 are bound at approximately 90 degree intervals, and the binding wires 3a to 3d are bound. After binding, the winding start start end 1s which is the end of the innermost cylinder and is the loop end is first bent in the radial direction of the loop to form a radial side 1sr, and then approximately half of the tip end side is formed. The winding start start end 1 s is formed into a bowl shape, being substantially parallel to the coil axis and bent inward of the coil to form an axis parallel side 1 sa.
[0020]
FIG. 2 is an enlarged view of the knot at the tip of the connecting wire 2 shown in FIG. The starting end 2s and the terminal end 2e of the connecting wire 2 are crossed in a state where they are pulled together so as to tighten the outer peripheral surface 1g, and are bent so that the starting end 2s and the terminal end 2e are directed in opposite directions. Thereby, the connection wire 2 is being fixed to the center of the width | variety of the outer peripheral surface 1g. The connecting wire 2 was a solid wire (mild steel wire) having a diameter of 1.2 mmφ to 1.4 mmφ. The material is difficult to bend (plastically deform), but has a high tensile strength and little elongation, and is suitable for the connecting wire 2. Table 1 shows the physical properties of the connecting wire 2 and the binding wires 3a to 3d.
[0021]
[Table 1]

FIG. 3A shows an enlarged view of the knot (connecting portion) at the tip of the binding wire 3a. The binding wire 3 a makes a round along the coil cross section (rectangular shape) of the coiled welding wire 1, and its start end 3 as and end end 3 ae are connected to the connecting wire 2. That is, the connecting wire 2 is on the start end 3as and the end 3ae of the binding wire 3a that makes a round along the coil cross section (rectangular shape), and is bent in the reverse direction with a tensile force applied to the start end 3as and the end 3ae of the binding wire 3a. Thus, the connecting wire 2 is substantially half-circulated. FIG. 3B shows the plane of FIG. As shown in the figure, the start end 3as and the end end 3ae are bent in a state in which the connection wire 2 is circulated without crossing each other.
[0022]
A 1.4 mmφ wire was used for the binding wires 3a to 3d. The material is easy to bend (plastic deformation) but has a low tensile strength and a large elongation. However, when the coiled welding wire 1 having a rectangular coil cross-section is used, the material does not change roundly because the corner of the coil cross-section does not change by using such a material that is easily bent (plastically deformed). Suitable for wires 3a-3d (see Table 1). When the material is used to bend the starting end 3as and the terminal end 3ae of the binding wire 3a as shown in FIG. 3 to form a knot, the knot can withstand a tensile force of at least 10 kgf. The ends of the other binding wires 3b to 3d are connected to the connecting wire 2 in the same manner.
[0023]
A method of removing the connecting wire 2 and the binding wires 3a to 3d when the coiled welding wire 1 bound as shown in FIG. 1 is mounted on a welding machine (not shown) will be described. As shown in FIG. 10, the coil winding welding wire 1 is attached to the feeding adapter 5 for the welding machine. At this time, the saddle-shaped winding start start end 1s is fitted into one of the notches (5br1, 5ar1) to (5br4, 5ar4) shown in FIGS. Then, after attaching the detachable flange 5fr to the barrel end and integrating the coil winding welding wire 1 with the feeding adapter 5, the feeding adapter 5 is attached to the feeder of the welding machine. First, the crossing of the starting end 2s and the terminal end 2e of the connecting wire 2 shown in FIG. 2 is unwound (twisting the end to unlink and extend the end portion linearly, or cut the crossing). . When the start end 2s or the end end 2e is pulled, the connecting wire 2 passes through the knots with the binding wires 3a to 3d and is removed. As a result, the binding wires 3 a to 3 d are disconnected from the connecting wire 2, so that the binding wires 3 a to 3 d are removed from the coil winding wire 1.
[0024]
Thus, even in the coil winding welding wire 1 that does not use a reel or the like winding frame as a product, the coil winding layered shape can be maintained by using the connection wire 2 and the binding wires 3a to 3d, and the connection No effort is required to remove the wire 2 and the binding wires 3a to 3d. Since the connecting wire 2 and the terminal portions (knots) of the binding wires 3a to 3d are bent along the wire body, there are few protrusions, and the film-like material wrapped with the coiled welding wire 1 is not damaged.
[0025]
-Second Example-
FIG. 4 shows a coiled welding wire bundled by the second embodiment of the present invention (connection method). The coil winding welding wire 1 is the same as that shown in the first embodiment, but about one round of the coil end portion is used as the connecting wire 2. The cylindrical coil portions of the coiled welding wire 1 are bound by binding wires 3a to 3d at four positions at intervals of approximately 90 degrees. The material used as the binding wire is the same as that used in the first embodiment. After binding, the winding start start end 1s which is the end of the innermost cylinder and is the loop end is first bent in the radial direction of the loop to form a radial side 1sr, and then approximately half of the tip end side is formed. The winding start start end 1 s is formed into a bowl shape, being substantially parallel to the coil axis and bent inward of the coil to form an axis parallel side 1 sa.
[0026]
FIG. 5A shows an enlarged view of the knot (connection portion) at the tip of the binding wire 3d. The binding wire 3 d makes a round along the coil cross section (rectangular shape) of the coiled welding wire 1, and the start end 3 ds and the end end 3 de thereof are connected to the connecting wire 2. That is, the connecting wire 2 (the final loop of the welding wire) is arranged on the start end 3ds and the end end 3de of the binding wire 3d that makes a round along the coil cross section (rectangular shape), and the connecting wire 2 is attached in a state where a tensile force is applied. It is bent in the opposite direction while crossing approximately half and crossing each other. FIG. 5B shows the plane of FIG. As shown in the figure, the start end 3ds and the end end 3de are crossed with each other and bent 180 degrees so that the start end 3ds faces in the opposite direction while the connecting wire 2 circulates, and the end end 3de also faces in the opposite direction. It is bent 180 degrees. As a result, the start end 3ds and the end end 3de of the binding wire 3d are connected to the connecting wire 2, and the coil portion of the coil winding wire 1 is bound by the binding wire 3d. The ends of the other binding wires 3a to 3c are also connected to the connecting wire 2 in the same manner.
[0027]
FIG. 6 is an enlarged view of the knot at the distal end portion (welding wire terminal portion) of the connecting wire 2 shown in FIG. After connecting the binding wires 3b to 3d to the connecting wire 2 using the coil end portion of the coil winding welding wire 1, the binding wire 3a is connected to the coil end 1e of the coil winding welding wire 1 (at this time, the binding wire 3a has already been connected). Is in the state of FIG. 7D). Bundling wires are arranged at four positions at 90 ° intervals in the cylindrical coil portion of the coiled welding wire 1, and the connecting wire 2 is doubled (two) in the last binding wire 3a portion. That is, a wire rod of 2 loops at the end of winding of the welding wire is held by the binding wire 3a.
[0028]
FIG. 7 shows a binding procedure for the binding wires 3d (3b, 3c). In FIG. 7A, the binding wire 3d is passed through the coil portion of the coiled welding wire 1, and in FIG. 7B, the binding wire 3d is bent along the coil portion. In (c), the binding wire 3d is further bent along the coil portion to make the coil portion go around. (D) is a state in which the connecting wire 2 (the coil end of the coiled welding wire 1) is brought into close contact with the binding wire 3d bent in (c). (E) shows a state in which the start end 3ds and the end 3de of the binding wire 3d are crossed with each other, bent 180 degrees so that the start 3ds faces in the opposite direction, and also bent 180 degrees so that the end 3de also faces in the opposite direction. It shows with a plane and (g) is the front view. (F) shows a state in which the extra length portions of the start end 3ds and the end end 3de, which are bent in (e), are cut. The binding wire 3a is rotated once in the state (d) to be in the state (e). And 3b, 3c, 3d will be in the state of (e), while the binding wire 3a makes one rotation.
[0029]
A method of removing the connecting wire 2 and the binding wires 3a to 3d when the coiled winding wire 1 bound as shown in FIG. 4 is used in a welding machine (not shown) will be described. The coiled welding wire 1 is attached to the body of the feeding adapter 5 for the welding machine shown in FIG. At this time, the saddle-shaped winding start start end 1s is fitted into one of the notches (5br1, 5ar1) to (5br4, 5ar4) shown in FIGS. Then, after attaching the detachable flange 5fr to the barrel end and integrating the coil winding welding wire 1 with the feeding adapter 5, the feeding adapter 5 is attached to the feeder of the welding machine.
[0030]
First, the end 1e bent 180 degrees of the bent portion of the end of the connecting wire 2 (coil end 1e of the coil winding welding wire 1) shown in FIG. Pull up in the direction of release. With this pulling force, the connection of the binding wires 3a to 3d to the connecting wire 2 (coil end of the coiled welding wire 1) is released. Thereafter, the ends of the binding wires 3 a to 3 d are grasped with pliers or the like and pulled out from the coil winding welding wire 1.
[0031]
In this way, even in the coil winding welding wire 1 that does not use a reel or the like winding frame as a product, by using the binding wires 3a to 3d and the connecting wire 2 common to the coil end of the coil winding welding wire 1, the coil winding is performed. The layered shape can be maintained, and no effort is required to remove the binding wires 3a to 3d. Since the end portions (knots) of the connecting wire 2 and the binding wires 3a to 3d are only bent along the wire body, there are few protrusions, and the film-like material wrapped with the coiled welding wire 1 is not damaged. Since the coil end of the coiled welding wire 1 is used as the connecting wire 2, there is little waste of material, and the termination of the coiled welding wire can be omitted.
[0032]
Next, the feeding adapter 5 used for mounting the coiled welding wire 1 of the first and second embodiments described above to a welding machine will be described.
[0033]
FIG. 8 shows only elements of the feeding adapter 5 with the detachable flange 5fr removed from the flanged body (5b + 5ff), and the front of the body end of the flanged body (5b + 5ff) in that state is shown in FIG. An appearance of the adapter 5 is shown in FIG. The coil winding welding wire 1 is attached to a cylinder 5b (FIG. 8) provided with a flange 5ff, and a detachable flange 5fr is attached to the tip of the cylinder 5b with the coil winding welding wire 1 in between. FIG. 10 shows an appearance of the coiled welding wire 1 attached to the flanged body (5b + 5ff) and the detachable flange 5fr attached to the flanged body (5b + 5ff).
[0034]
The detachable flange 5fr shown in FIGS. 8 and 10 is provided with notches 5c1 to 5c4, and the notches 5d1 to 5d4 are also provided at positions facing the fixed flange 5ff. A barrel 5b is integrally attached to the fixed flange 5ff, and the barrel 5b has grooves 5e1 to 5e4. Notches 5d1 to 5d4 are provided in the fixing flange 5ff so as to be continuous with the grooves 5e1 to 5e4. When the detachable flange 5fr is attached, the notches 5c1 to 5c4 are also continuous with the grooves 5e1 to 5e4. Therefore, as shown in FIG. 1, a groove space is formed inside the coiled welding wire 1, so that the binding wires 3a to 3d can enter the space.
[0035]
At the body end of the body 5b (the end opposite to the end where the flange 5ff is located), there is a pipe-shaped shaft center 5s that passes through the center of the body 5b, and is symmetrical with respect to the shaft center 5s. In addition, hooks 6A and 6B which are substantially L-shaped engaging members are provided. There is a round hole in the center of the detachable flange 5fr for passing the shaft center 5s, and through holes 7A and 7B (FIG. 2) for receiving the hooks 6A and 6B are opened symmetrically with respect to the round holes. Buckle locks 8A and 8B, which are locking members, for latching hooks 6A and 6B penetrating 7B, are also provided symmetrically with respect to the round hole through which shaft 5s passes.
[0036]
The handle of the buckle lock 8A is rotatably supported by the detachable flange 5fr so as to stand up with respect to the plane of the detachable flange 5fr. The two engagement pieces that are substantially U-shaped and bent outwardly so that the leg ends of the two legs are engaged with the compression coil springs are combined into a B shape, and one of them is a knob. Is supported rotatably. The legs of the two engagement pieces penetrate the compression coil spring, and are pressed by the compression coil spring so as to be separated from each other and are coupled to form a B shape. When the operator raises the knob so as to be substantially perpendicular to the plane of the detachable flange 5fr, the engagement piece forming the B shape and the compression coil spring coupled thereto approach the round hole through which the shaft center 5s passes. The inner space of the B shape faces the hole 7A for receiving the hook. In this state, the hook 6A penetrating the hole 7A can be received in the B-shaped inner space of the engagement piece. The structure and dimensions of the buckle lock 8B are the same as those of the buckle lock 8B. When the operator holds the buckle lock 8B so that the knob of the buckle lock 8B is substantially perpendicular to the plane of the attachment / detachment flange 5fr, the buckle lock 8B The engagement piece and the compression coil spring coupled thereto move in a direction approaching the round hole through which the shaft center 5s passes, and the B-shaped inner space faces the hook receiving hole 7B. In this state, the hook 6B penetrating the hole 7B can be received in the B-shaped inner space of the engagement piece.
[0037]
As shown in FIGS. 8 and 9, notches (5br1, 5ar1) to (5br4, 5ar4) for receiving the winding start start end 1s of the coil winding welding wire 1 are provided at a pitch of 90 degrees on the barrel end of the barrel 5b. It has been. The notches 5br1 to 5br4 are grooves that receive the radial side 1sr (FIGS. 1 and 4) of the winding start start end 1s cut into the end surface of the cylindrical body 5b, and the notches 5ar1 to 5ar4 are the body of the cylindrical body 5b. It is a groove | channel which receives the axial parallel side 1sa (FIG. 1, FIG. 4) of the winding start start end 1s cut into the circumferential surface of the end plate 5a which has the end closed into the in-body space.
[0038]
When the coil winding welding wire 1 is attached to the feeding adapter 5, the coil winding welding wire 1 is applied to the fixed flange 5ff so that the body 5b is received in the inner space from the end where the winding start start end 1s is not present. At this time, the coil 1 is turned so that the winding start start end 1s is aligned with any one of the notches (5br1, 5ar1) to (5br4, 5ar4), and the winding start start end 1s is inserted into the cutout. Then, as described above, the knobs of the buckle locks 8A and 8B are set substantially perpendicular to the plane of the detachable flange 5fr, and the hooks 6A and 6B of the flanged body (5b + 5ff) are attached to the holes 7A and 7B of the detachable flange 5fr. The detachable flange 5fr is applied to the barrel end of the barrel 5b so as to be received, and the handle of the buckle lock 8A is placed on the flat surface of the detachable flange 5fr through the head of the hook 6A through the engagement space of the buckle lock 8A. Defeat to a close position. At this time, the engagement piece forming the B shape moves away from the shaft center 5s, and one of the engagement pieces engages with the hook-shaped portion of the hook 6A, and the B shape extends to compress the compression coil spring. Further, the handle of the buckle lock 8B is brought down to the position closest to the plane of the detachable flange 5fr through the head of the hook 6B through the B-shaped space of the engagement piece of the buckle lock 8B. At this time, the engagement piece forming the B shape moves in a direction away from the shaft center 5s, and one of the engagement pieces engages with the hook-shaped portion of the hook 6B, and the B shape extends and the compression coil spring is compressed. FIG. 10 shows a state where such a connection is made.
[0039]
After that, by connecting the shaft center 5s formed of the center cylinder of the feeding adapter 5 to the feeder 13 ((a) in FIG. 11), the coiled welding wire 1 is bundled with the binding wires 3a to 3d. It is attached to the welding machine. Next, the binding wires 3a to 3d are removed as described above. Then, the welding wire is pulled out from the feeding adapter 5 and is passed through the feeding roller 15, the conduit liner 16 and the welding torch 17 of the welding machine to start welding. This state is shown in FIG. As the welding progresses, the coil winding wire is consumed, and even when the remaining wire of the feeding adapter 5 is near the lowermost layer, the vertical winding start end 1s of the welding wire 1 is notched (5br1, 5ar1). Since it is engaged with one of (5br4,5ar4) and the movement of the starting end 1s in the circumferential direction and the axial direction is restrained, the lowermost wire is brought into close contact with the body 5b by the wire drawing tension. Does not cause wire bouncing.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a first embodiment of a coiled welding wire of the present invention.
2 is an enlarged plan view showing a knot between a connecting wire start end 2s and a connecting wire end 2e shown in FIG. 1; FIG.
3A is an enlarged front view showing a knot between the binding wire 3a shown in FIG. 1 and a connecting wire terminal end 2, and FIG. 3B is a plan view of FIG. 3A.
FIG. 4 is a perspective view showing a second embodiment of the coiled welding wire of the present invention.
5A is an enlarged front view showing a knot between the binding wire 3a shown in FIG. 4 and the connecting wire terminal end 2, and FIG. 5B is a plan view of FIG. 5A.
6 is an enlarged plan view showing a knot between a binding wire 3d and a connecting wire end 2e shown in FIG. 4; FIG.
7A to 7F show the order of connecting the binding wire 3d and the connecting wire terminal 2e shown in FIG. 4 in front and plane, and FIG. 7G shows the knot in an enlarged front view.
FIG. 8 is a perspective view showing a state before a coil is attached of a feeding adapter to which a coil winding welding wire is attached.
9 is a front view of the feeding adapter shown in FIG. 8 as seen from the barrel end of the barrel 5b.
FIG. 10 is a perspective view showing an appearance of a feeding adapter equipped with a coil winding welding wire.
FIG. 11A is a side view of the welding machine of the welding machine when the welding wire is pulled out from the feeding adapter and welded, and FIG. 11B is a diagram illustrating a conventional welding wire and feeding adapter. It is a side view which shows a wire spring when the welding wire residual amount becomes small when using.
[Explanation of symbols]
1: Coiled welding wire
1 s: coil winding start
1sr: Radial side
1sa: Axis parallel side
1e: Coil winding end
1g: Coil outer peripheral surface
2: Connecting wire
2c: Connecting wire knot
2e: Termination wire end
2s: Connection wire start end
3a-3d: Bundling wire
3ac-3dc: Bundling wire knot
3ae to 3de: Bundling wire termination
3as-3ds: Bundling wire start end
5: Feed adapter
5b: trunk
5c1 to 5c4: Notch portion of the detachable flange
5d1 to 5d4: flange notch
5e1-5e4: Trench groove
5ff: Fixed flange
5fr: Removable flange
5s: Axis center
6A, 6B: Hook
7A, 7B: Hole
8A, 8B: Buckle tablets

Claims

In the coiled wire wound in a hollow cylindrical shape with the winding start start end as the innermost layer and the cylindrical end,
A coil winding wire characterized in that the winding start start end is a saddle type bent in the radial direction of the coil loop and bent in a direction parallel to the coil center line.

The coil winding wire is a coil winding wire which is a thick cylindrical coil body having both ends substantially in the form of a flat ring and the outer peripheral surface between both ends is substantially a cylindrical surface. Fold it in a U shape along the inner peripheral surface and both end surfaces of the coil body, fold both bent legs along the outer peripheral surface to surround the coil body in a B shape, and be approximately parallel to the outer peripheral surface The connecting wires are placed along the outer circumferential surface along the circumferential direction so that both legs are pressed against the outer peripheral surface of the coil body, and both ends of the binding wire are fastened to the outer peripheral surface to tie both ends of the connecting wire. The coil winding wire according to claim 1, wherein the ends of both legs of the binding wire are folded and bound so as to go around the connecting wire.

The coil-wound wire is a coil-wound wire that is a thick cylindrical coil body in which both end surfaces are substantially flat ring-shaped and the outer peripheral surface between both end surfaces is substantially cylindrical. Pass the binding wire and fold them into a U-shape along the inner peripheral surface and both end surfaces of the coil body.Fold both legs of the binding wire along the outer peripheral surface excluding the final winding loop of the wire. Enclose the coil body in a U-shape and tighten both legs of the binding wire against the outer peripheral surface with the final winding loop so that both legs that are substantially parallel to the outer peripheral surface are pressed against the outer peripheral surface of the coil body. The coil winding wire according to claim 1, wherein the ends of both legs are folded back so as to circulate around the final winding loop, and the ends of the final winding loop are locked and bound to one binding wire. .

The coil winding wire according to claim 2 or 3, wherein the distal ends of both legs of the binding wire are folded back so that the distal ends are interlinked.

A cylindrical barrel to which the coil winding wire is mounted; a fixed flange having a radially open notch for receiving the binding wire of the coil winding wire at one end thereof; and the other end of the cylindrical barrel A flanged body having an engagement member and a notch for receiving the winding start of the saddle type; and
A coiled wire feed comprising: a detachable flange comprising: a locking member coupled to the engaging member; and a radially open notch for receiving the coiled wire binding wire according to claim 2 or claim 3. adapter.

6. The coiled wire feeding device according to claim 5, wherein the flanged body further has an axis extending through the center of the body and the fixing flange, and the detachable flange has a central opening through which the axis passes. adapter.

The coiled wire feeding adapter according to claim 5, wherein the flanged body has a groove that opens in a radial direction and extends in an axial direction and is continuous with a notch for receiving the binding wire of the fixed flange.