JP4484073B2 - Welding wire storage container and welding wire in container - Google Patents

Welding wire storage container and welding wire in container Download PDF

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JP4484073B2
JP4484073B2 JP2005297779A JP2005297779A JP4484073B2 JP 4484073 B2 JP4484073 B2 JP 4484073B2 JP 2005297779 A JP2005297779 A JP 2005297779A JP 2005297779 A JP2005297779 A JP 2005297779A JP 4484073 B2 JP4484073 B2 JP 4484073B2
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welding wire
outer cylinder
storage container
diameter
coil
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JP2007000927A (en
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宏 新舘
伸二 小松
知志 河野
弘之 清水
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Kobe Steel Ltd
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Kobe Steel Ltd
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Description

本発明は、溶接ワイヤのコイルを収納する溶接ワイヤ収納容器及び容器入り溶接ワイヤに関し、特に、ソリッドワイヤ等の剛性が高い溶接ワイヤにも適用可能な溶接ワイヤ収納容器及び容器入り溶接ワイヤに関する。   The present invention relates to a welding wire storage container and a container-containing welding wire for storing a coil of a welding wire, and more particularly to a welding wire storage container and a container-containing welding wire that can be applied to a welding wire having high rigidity such as a solid wire.

ソリッドワイヤ及びフラックス入りワイヤ等の溶接ワイヤを収納する容器としては、一般に、有底筒状のペイル容器が使用されている(例えば、特許文献1及び2参照)。図8(a)は従来の容器入り溶接ワイヤを模式的に示す斜視図であり、図8(b)はその断面図である。また、図9は従来の溶接ワイヤ収納容器の押さえ板を示す斜視図である。図8(a)及び(b)に示すように、従来の容器入り溶接ワイヤは、外筒101の内部に底部を形成する底板105が保持されている容器内に、溶接ワイヤ100aが円軌跡に沿って中心軸を移動変位しながら巻回されて収納されている。なお、従来の溶接ワイヤ収納容器においては、外筒101よりも小径の内筒106が外筒101と同軸的に設けられていることもある。   As a container for storing a welding wire such as a solid wire and a flux-cored wire, a bottomed cylindrical pail container is generally used (for example, see Patent Documents 1 and 2). FIG. 8A is a perspective view schematically showing a conventional welding wire in a container, and FIG. 8B is a cross-sectional view thereof. FIG. 9 is a perspective view showing a pressing plate of a conventional welding wire storage container. As shown in FIGS. 8A and 8B, in the conventional welding wire with a container, the welding wire 100a has a circular trajectory in a container in which a bottom plate 105 forming a bottom portion is held inside the outer cylinder 101. It is wound and stored while moving and displacing the central axis along. In the conventional welding wire storage container, the inner cylinder 106 having a smaller diameter than the outer cylinder 101 may be provided coaxially with the outer cylinder 101.

通常、容器入り溶接ワイヤは、容器に収納された状態で巻き解かれる。このため、巻き解きの際に、溶接ワイヤ100aが絡んだり、もつれたりすることがある。そこで、従来の容器入り溶接ワイヤにおいては、溶接ワイヤコイル100上に、図9に示すように、環状の押さえ板112を載置し、外筒101と押さえ板112との隙間から溶接ワイヤ100aが飛び出さないように、押さえ板112の外周部の外側に突出する断面L字形の複数個の羽根体112aを等間隔で設けたものがある。この羽根体112aは発泡ウレタンスポンジからなり、接着剤により押さえ板112の表面に接着されている。なお、押さえ板112は上下方向に移動可能であるため、溶接ワイヤ100aが巻き解かれることによって、溶接ワイヤコイル100の高さが変化しても、常に溶接ワイヤコイル100の上に載置されている。また、押さえ板112の羽根体112a間の位置には、使用中の溶接ワイヤの残量を目視にて確認できるように、直径が30乃至60mmの孔からなる窓112bが設けられている。   Usually, the welding wire with a container is unwound in a state of being accommodated in the container. For this reason, the welding wire 100a may be entangled or entangled during unwinding. Therefore, in the conventional welding wire with a container, as shown in FIG. 9, an annular pressing plate 112 is placed on the welding wire coil 100, and the welding wire 100 a is inserted from the gap between the outer cylinder 101 and the pressing plate 112. Some blade bodies 112a having an L-shaped cross section projecting outside the outer peripheral portion of the pressing plate 112 are provided at equal intervals so as not to jump out. The blade body 112a is made of a foamed urethane sponge and bonded to the surface of the pressing plate 112 with an adhesive. In addition, since the holding | maintenance board 112 can move to an up-down direction, even if the height of the welding wire coil 100 changes by unwinding the welding wire 100a, it is always mounted on the welding wire coil 100. Yes. Further, a window 112b made of a hole having a diameter of 30 to 60 mm is provided at a position between the blade bodies 112a of the holding plate 112 so that the remaining amount of the welding wire in use can be visually confirmed.

一方、巻き解き時の絡み防止のため、帯板状の縦壁部に複数の弾性内向片が設けられた押さえ板も提案されている(特許文献3参照)。この押さえ板は、円環状に丸められ、縦壁部が外筒の内面に、弾性内向片が溶接ワイヤ上面に夫々接するようにして溶接ワイヤコイル上に載置される。そして、溶接ワイヤは押さえ板の弾性内向片の縁部に接触しながら上方に引き出される。   On the other hand, in order to prevent entanglement during unwinding, a pressing plate in which a plurality of elastic inward pieces are provided on a strip-like vertical wall portion has also been proposed (see Patent Document 3). The pressing plate is rounded into an annular shape, and is placed on the welding wire coil such that the vertical wall portion is in contact with the inner surface of the outer cylinder and the elastic inward piece is in contact with the upper surface of the welding wire. Then, the welding wire is drawn upward while being in contact with the edge of the elastic inward piece of the pressing plate.

しかしながら、従来の溶接ワイヤ収納用容器においては、図8(b)に示すように、外筒101の下端部をかしめることにより、底板105が固定されているため、下部に他の部分より内径が小さいかしめ部が形成されている。このかしめ部は、底板105を外筒101に挿入する際の位置決めを容易にし、底板105を固定するためのカール加工時にガイドを当てて補助するためのものであるが、溶接ワイヤコイル100aを巻き解く際に、押さえ板102がかしめ部で保持されてしまい、かしめ部より下にある溶接ワイヤコイル100を押さえることができず、かしめ部と底板105との間にあるワイヤが跳ね上がり、絡み及びばらけが発生するという問題点がある。   However, in the conventional welding wire storage container, as shown in FIG. 8 (b), the bottom plate 105 is fixed by caulking the lower end portion of the outer cylinder 101. A small caulking portion is formed. This caulking portion is intended to facilitate positioning when the bottom plate 105 is inserted into the outer cylinder 101, and assists by applying a guide during curl processing for fixing the bottom plate 105. When unraveling, the presser plate 102 is held by the caulking part, and the welding wire coil 100 below the caulking part cannot be pressed, and the wire between the caulking part and the bottom plate 105 jumps up, becomes entangled and loosened. There is a problem of injury.

そこで、底板105の上に板等を積層して、容器の底を嵩上げする方法が検討されている。図10は底が嵩上げされた溶接ワイヤ収納容器を示す断面図である。この溶接ワイヤ収納容器は、外径がかしめ部に挿入可能な大きさで、厚さがかしめ部の高さと同等である円盤109が、底板105上に接着剤等により接合されている。これにより、容器の底が嵩上げされ、最下層の溶接ワイヤの上面がかしめ部よりも上になるため、押さえ板102により最下層の溶接ワイヤまで押さえることができる。   Thus, a method of raising the bottom of the container by laminating a plate or the like on the bottom plate 105 has been studied. FIG. 10 is a cross-sectional view showing a welding wire storage container with a raised bottom. In this welding wire storage container, a disk 109 having an outer diameter that can be inserted into the caulking portion and having a thickness equivalent to the height of the caulking portion is joined to the bottom plate 105 with an adhesive or the like. As a result, the bottom of the container is raised and the upper surface of the lowermost welding wire is above the caulking portion, so that the lowermost welding wire can be pressed by the pressing plate 102.

また、内径が内筒の外径よりも大きく外径が外筒の最小内径よりも小さい環状平板に、複数の短冊状の羽根材をその内側及び外側に突出するように取り付けた押さえ板を備えた溶接ワイヤ収納容器も検討されている(特許文献4参照。)。図11はこの溶接ワイヤ収納容器の押さえ板を示す平面図である。この押さえ板120は、環状平板121により溶接ワイヤコイルを下方に押圧し、羽根材122により外筒側及び内筒側の溶接ワイヤが飛び出すことを防止するものである。この押さえ板120は、外径がかしめ部分の内径よりも小さくかしめ部にも入り込むことができるため、最下層の溶接ワイヤまで押さえることができる。   In addition, a holding plate is provided which has a plurality of strip-shaped blade members attached to an annular flat plate whose inner diameter is larger than the outer diameter of the inner cylinder and whose outer diameter is smaller than the minimum inner diameter of the outer cylinder so as to protrude inward and outward. A welding wire storage container has also been studied (see Patent Document 4). FIG. 11 is a plan view showing a pressing plate of the welding wire storage container. The holding plate 120 presses the welding wire coil downward by the annular flat plate 121 and prevents the welding wire on the outer cylinder side and the inner cylinder side from jumping out by the blade member 122. Since this presser plate 120 can enter the caulking portion whose outer diameter is smaller than the inner diameter of the caulking portion, it is possible to press down to the lowermost welding wire.

特公昭59−8474号公報 (第1−2頁、第1−4図)Japanese Examined Patent Publication No.59-8474 (Page 1-2, Figure 1-4) 特公平3−34424号公報 (第2−3、第1図)Japanese Examined Patent Publication No. 3-34424 (Fig. 2-3, Fig. 1) 特開平10−218493号公報 (第3−4、第1−3図)JP-A-10-218493 (Figs. 3-4 and 1-3) 特開平2−147566号公報 (第3−5頁、第2図)Japanese Patent Laid-Open No. 2-147666 (page 3-5, FIG. 2)

しかしながら、前述の従来の技術には以下に示す問題点がある。先ず、従来の図9(b)に示す押さえ治具は、ABS、PP、PS等のオレフィン系樹脂の単一素材のリング状成形板からなる押さえ板112と、発泡ウレタンスポンジからなる複数個の羽根体112aとから構成されているため、以下に示す問題点がある。即ち、発泡ウレタンスポンジからなる羽根体112aが経時変化によりペイル容器外筒101の内面に当接する応力が弱くなり、引き出される直前の溶接ワイヤが羽根体112aを乗り越えてしまうと、溶接ワイヤが羽根体を巻き込んで縺れ、容易には元の状態、即ち押さえ板112の下方には戻らず、ワイヤの送給停止が生じてしまう。また、押さえ板112と羽根体112aとの間の接合部の近傍から切れ目が発生しやすく、この切れ目に溶接ワイヤが入り込むと、同様にワイヤ送給停止という事態になる。   However, the conventional techniques described above have the following problems. First, the conventional pressing jig shown in FIG. 9B includes a pressing plate 112 made of a ring-shaped molding plate made of a single material of olefin resin such as ABS, PP, PS, and a plurality of urethane sponges. Since it is composed of the blade body 112a, there are the following problems. That is, when the blade body 112a made of foamed urethane sponge is weakened in contact with the inner surface of the outer casing 101 of the pail container due to a change with time, and the welding wire just before being pulled over the blade body 112a, the welding wire becomes a blade body. As a result, the wire is not easily returned to the original state, that is, below the presser plate 112, and the wire feeding is stopped. In addition, a break is likely to occur from the vicinity of the joint between the presser plate 112 and the blade body 112a, and when the welding wire enters the break, a situation where the wire feeding is stopped similarly occurs.

また、図10に示す従来の底が嵩上げされた溶接ワイヤ収納容器は、押さえ板102により溶接ワイヤコイル10の最下層まで押さえることができるようにはなるが、円盤109と外筒101の内面との間に隙間が生じ、この隙間にワイヤが挟まって送給が停止するという問題点がある。複数の容器入り溶接ワイヤを連続して使用する場合、容器内に収納されている全ての溶接ワイヤが円滑に引き出されなければ、次の容器に移行することができないので、このように溶接ワイヤコイルの残量が少なくなった底部付近でトラブルが発生すると、複数の容器入り溶接ワイヤを連続して使用することができない。また、円盤109の厚さをより厚くして、容器の底をかしめ部よりも上方に設定することにより円盤109と外筒1の内面との隙間をなくすことは可能であるが、底の嵩上げ量が多くなると、容器に収納できるワイヤの量が少なくなり使用時の作業性が低下すると共に、製造コストが増加するため好ましくない。   In addition, the conventional welding wire storage container with the raised bottom shown in FIG. 10 can be pressed down to the lowest layer of the welding wire coil 10 by the pressing plate 102, but the disk 109 and the inner surface of the outer cylinder 101 There is a problem that a gap is formed between the wires, and a wire is caught in the gap to stop feeding. When using a plurality of container welding wires in succession, it is impossible to move to the next container unless all the welding wires stored in the container are pulled out smoothly. If trouble occurs in the vicinity of the bottom where the remaining amount of metal is reduced, it is not possible to continuously use a plurality of container-containing welding wires. Further, it is possible to eliminate the gap between the disk 109 and the inner surface of the outer cylinder 1 by increasing the thickness of the disk 109 and setting the bottom of the container above the caulking portion. An increase in the amount is not preferable because the amount of wires that can be accommodated in the container decreases, the workability during use decreases, and the manufacturing cost increases.

更に、図11に示す押さえ板120を備えた従来の溶接ワイヤ収納容器は、溶接ワイヤコイルの押さえ板120と外筒との間の部分が羽根材122により数カ所押さえられているだけであるため、外筒側の溶接ワイヤが飛び出す虞がある。また、この押さえ板120は、内側に突出した羽根材122が内筒の外面に接触し、外側に突出した羽根材122が外筒の内面に接触しながら下方に移動するため、斜め傾きやすく、ワイヤの絡み及びもつれが発生しやすいという問題点がある。   Furthermore, the conventional welding wire storage container provided with the pressing plate 120 shown in FIG. 11 has only a few portions between the pressing plate 120 of the welding wire coil and the outer cylinder being pressed by the blade member 122. There is a possibility that the welding wire on the outer cylinder side jumps out. In addition, since the blade member 122 protruding inward is in contact with the outer surface of the inner cylinder and the blade member 122 protruding outward is in contact with the inner surface of the outer cylinder, the presser plate 120 easily moves obliquely. There is a problem that entanglement and entanglement of the wire are likely to occur.

本発明はかかる問題点に鑑みてなされたものであって、絡み及びもつれを生じることなく、最下層まで円滑に溶接ワイヤを巻き解くことができる溶接ワイヤ収納容器及び容器入り溶接ワイヤを提供することを目的とする。   The present invention has been made in view of such problems, and provides a welding wire storage container and a container-containing welding wire that can smoothly unwind the welding wire to the lowest layer without causing entanglement and entanglement. With the goal.

本発明に係る溶接ワイヤ収納容器は、溶接ワイヤのコイルを収納する溶接ワイヤ収納容器において、外筒と、前記外筒をかしめることにより前記外筒の内部に保持され底部を形成する底板と、前記溶接ワイヤコイル上に載置される押さえ治具と、を有し、前記押さえ治具は、前記溶接ワイヤ上のリング状の平板部と、この平板部の全周においてその外縁から上方に立ち上がる堰部とが一体成形された形状を有し、前記平板部が前記溶接ワイヤコイルの上面に接触し、前記堰部は下方の部分が上方の部分より小径となるような段付き形状を有し、前記堰部の下方部分は前記外筒のかしめ部の内径より小さい外径を有し、前記堰部の上方部分は前記外筒の内面の直径より小さく前記かしめ部の内径より大きな外径を有し、前記堰部の上部に外方に突出する複数個の突起が設けられていることを特徴とする。 A welding wire storage container according to the present invention is a welding wire storage container that stores a coil of a welding wire, and an outer cylinder, a bottom plate that is held inside the outer cylinder by caulking the outer cylinder, and forms a bottom portion; A pressing jig placed on the welding wire coil, and the pressing jig rises upward from the outer edge of the entire circumference of the flat plate portion on the welding wire. The weir portion has a shape integrally formed, the flat plate portion contacts the upper surface of the welding wire coil, and the weir portion has a stepped shape such that the lower portion has a smaller diameter than the upper portion. The lower part of the weir part has an outer diameter smaller than the inner diameter of the caulking part of the outer cylinder, and the upper part of the weir part has an outer diameter smaller than the inner diameter of the outer cylinder and larger than the inner diameter of the caulking part. Yes, and outwardly at the top of the dam Wherein the plurality of projections and out is provided.

本発明においては、溶接ワイヤコイルの上に載置される押さえ治具が、前記外筒の内面に沿う堰部を有するので、溶接ワイヤのコイルを巻き解く際に、ワイヤがこの押さえ治具と外筒内面との間からはみ出て、コイルの巻き状態が乱れてしまうことを防止できる。また、この押さえ治具の堰部の下部は、外筒における底板を固定するためのかしめ部の内径より小さいので、この堰部下部は、かしめ部内に嵌合することが可能である。従って、溶接ワイヤコイルの残量が少なくなっても、押さえ治具は溶接ワイヤコイルの上面を確実に押さえることができる。これにより、従来の溶接ワイヤ収納容器のように底の嵩上げ等を行わなくても、最下層の溶接ワイヤまで絡み及びもつれを生じることなく、円滑に巻き解くことができる。   In the present invention, since the holding jig placed on the welding wire coil has a weir portion along the inner surface of the outer cylinder, when unwinding the welding wire coil, the wire It is possible to prevent the coil winding state from being disturbed by protruding from between the inner surface of the outer cylinder. Moreover, since the lower part of the weir part of this pressing jig is smaller than the inner diameter of the caulking part for fixing the bottom plate in the outer cylinder, the lower part of the weir part can be fitted into the caulking part. Therefore, even if the remaining amount of the welding wire coil decreases, the holding jig can reliably hold the upper surface of the welding wire coil. Thereby, even if it does not raise a bottom etc. like the conventional welding wire storage container, it can unwind smoothly, without producing a tangle and a tangle up to the welding wire of the lowest layer.

また、本発明においては、前記堰部の上部に外方に突出するように設けられた突起は、3個以上、堰部の周方向に等間隔に設けられていることが好ましい。更に、平面視で、前記複数個の突起の先端の包絡円は、前記外筒の内面より大きいことが好ましい。更にまた、前記突起は少なくとも上面が外方に向けて下方に傾斜して突出していることが好ましい。
In the present invention, it is preferable that three or more protrusions provided so as to protrude outwardly from the upper portion of the dam portion are provided at equal intervals in the circumferential direction of the dam portion. Furthermore, it is preferable that the envelope circle at the tips of the plurality of protrusions is larger than the inner surface of the outer cylinder in plan view. Furthermore, it is preferable that at least the upper surface of the projection protrudes downward and inclined downward.

本発明に係る溶接ワイヤ収納容器は、前記外筒と同軸的に配置され前記溶接ワイヤコイルが嵌合される内筒を有することが好ましい。そして、前記押さえ治具は、オレフィン系樹脂により一体成形されたものであることが好ましい。   The welding wire storage container according to the present invention preferably has an inner cylinder that is arranged coaxially with the outer cylinder and into which the welding wire coil is fitted. And it is preferable that the said holding jig is integrally molded by the olefin resin.

更に、前記押さえ治具の上に、前記押さえ治具の中心を中心とする等配の位置に配置された複数個の錘が設けられていることが好ましく、この場合に、前記錘は、例えば、夫々、厚さが3乃至25mm、幅が9乃至50mm、長さが50乃至200mmの鋼板であり、質量が合計で200乃至800gである。又は、前記押さえ治具の上に、リング状の鋼製錘又は直径が0.8乃至5.5mmの巻線をコイル状に束ねた鋼製錘が設けられており、前記鋼製錘のリング外径又はコイル外径は前記外筒の内径より20乃至100mm小さいことが好ましい。この場合、鋼製錘の質量は200乃至800gである。   Furthermore, it is preferable that a plurality of weights arranged at equal positions around the center of the pressing jig is provided on the pressing jig. In this case, the weight is, for example, These are steel plates each having a thickness of 3 to 25 mm, a width of 9 to 50 mm, a length of 50 to 200 mm, and a total mass of 200 to 800 g. Alternatively, a ring-shaped steel weight or a steel weight in which windings having a diameter of 0.8 to 5.5 mm are bundled in a coil shape is provided on the holding jig, and the ring of the steel weight is provided. The outer diameter or the outer diameter of the coil is preferably 20 to 100 mm smaller than the inner diameter of the outer cylinder. In this case, the mass of the steel weight is 200 to 800 g.

更にまた、前記押さえ治具の平板部には、下方の溶接ワイヤを視認するための1又は複数個の孔が前記押さえ治具の中心を中心とする等配の位置に設けられていることが好ましい。この孔は、例えば、幅が2乃至20mm、長さが10乃至50mmである。   Furthermore, the flat plate portion of the holding jig is provided with one or a plurality of holes for visually recognizing the lower welding wire at equal positions around the center of the holding jig. preferable. For example, the hole has a width of 2 to 20 mm and a length of 10 to 50 mm.

前記押さえ治具は、板厚が0.5乃至5mmであり、前記堰部の上方部分の外径が前記外筒の内径より0.5乃至位5mm小さく、前記平板部の内径は前記内筒の外径より20乃至30mm大きく、前記堰部の上方部分の高さは40乃至60mmであることが好ましい。   The pressing jig has a plate thickness of 0.5 to 5 mm, the outer diameter of the upper portion of the weir portion is 0.5 to 5 mm smaller than the inner diameter of the outer cylinder, and the inner diameter of the flat plate portion is the inner cylinder It is preferable that the height of the upper portion of the weir portion is 40 to 60 mm.

また、本発明に係る容器入り溶接ワイヤは、前述の溶接ワイヤ収納容器内に溶接ワイヤのコイルが収納されたものであることを特徴とする。   Moreover, the welding wire with a container according to the present invention is characterized in that a welding wire coil is accommodated in the above-described welding wire storage container.

本発明によれば、押さえ治具が、その平板部の外周から立ち上がる堰部がリング状をなして外筒の内面にほぼ接触しているので、この押さえ治具と外筒との間の隙間から溶接ワイヤが飛び出してしまうことが防止される。そして、この堰部は平板部の全周の周縁から立ち上がるように平板部と一体成形されており、羽根体を局部的に設けた場合と異なり、形状的な要因による剛性を有しているため、外筒内面と押さえ治具との間の隙間から溶接ワイヤが跳ね上がろうとしても、この跳ね上がりを堰部が確実に阻止することができ、また経時変化により前記堰部が外筒内面を押圧する応力が低下することがなく、溶接ワイヤの飛び出しを確実に防止することができる。また、仮に、溶接ワイヤがこの堰部の上縁よりも上方に飛び出たとしても、堰部は平板部の全周に亘って平板部の外縁に設けられているので、飛び出たワイヤは容易に元の状態、即ち、押さえ治具の下方に戻ることができる。更に、堰部は平板部の全周に亘って形成されているので、羽根体を局部的に設けた従来の場合と異なり、暴れる溶接ワイヤにより切れ目が生じてしまうということもない。   According to the present invention, since the weir portion that rises from the outer periphery of the flat plate portion forms a ring shape and substantially contacts the inner surface of the outer cylinder, the gap between the pressing jig and the outer cylinder The welding wire is prevented from jumping out. And this dam part is integrally formed with the flat plate part so as to rise from the peripheral edge of the entire circumference of the flat plate part, and has rigidity due to a shape factor, unlike the case where the blade body is provided locally. Even if the welding wire tries to jump up from the gap between the inner surface of the outer cylinder and the holding jig, the weir can reliably prevent this jumping, and the weir will prevent the inner surface of the outer cylinder from changing over time. The pressing stress is not reduced, and the welding wire can be reliably prevented from popping out. Even if the welding wire jumps upward from the upper edge of the weir part, the weir part is provided at the outer edge of the flat plate part over the entire circumference of the flat plate part. It is possible to return to the original state, that is, below the holding jig. Furthermore, since the dam portion is formed over the entire circumference of the flat plate portion, unlike the conventional case in which the blades are locally provided, there is no possibility that a breakage occurs due to the violent welding wire.

また、請求項8のように、この堰部及び平板部が一体成形された押さえ治具をオレフィン系樹脂により一体成形されたものとすることにより、従来のように、発泡ウレタンスポンジからなる羽根体を設けた場合よりも更に一層経時変化による外筒内面への押圧力の劣化を防止することができる。   Further, as in claim 8, by forming the holding jig in which the weir portion and the flat plate portion are integrally formed by integrally molding with an olefin resin, a blade body made of urethane foam sponge as in the prior art. The deterioration of the pressing force on the inner surface of the outer cylinder due to the change with time can be further prevented as compared with the case where is provided.

更に、本発明においては、堰部が段付き形状等のように、下方部分が上方部分よりも小径となっており、この下方部分が外筒のかしめ部に囲まれた空間内に入り込むことができる。このため、容器内のワイヤの残量が少なくなっても、押さえ治具は確実に溶接ワイヤコイルを押さえることができ、最下層の溶接ワイヤまで絡み及びもつれを生じることなく、円滑に巻き解くことができる。   Further, in the present invention, the lower portion has a smaller diameter than the upper portion, such as a stepped shape, and the lower portion may enter the space surrounded by the caulking portion of the outer cylinder. it can. For this reason, even if the remaining amount of wire in the container decreases, the holding jig can reliably hold the welding wire coil, and the lowermost welding wire can be smoothly unwound without causing entanglement and entanglement. Can do.

以下、本発明の実施の形態に係る溶接ワイヤ容器について、添付の図面を参照して具体的に説明する。図1は本実施形態の溶接ワイヤ収納容器を示す断面図である。本実施形態の溶接ワイヤ収納容器は、円筒状の外筒1の下端部がかしめられて、円板状の底板5が固定されており、これにより、外筒1の下端部に底板5が保持された容器が構成されている。よって、外筒1の内面はその下端部のかしめ部1aにおいて、その内径が小さくなっている。底板5と外筒1は、外筒1のかしめ部1aと底板5の底面を包み込む金属補強帯(図示せず)により、相互に補強的に固定されている。一般的に、溶接ワイヤ収納容器には、200乃至500kgの溶接ワイヤが収納されるため、運搬時及び吊り下げ移送時に安全強固な構造が要求される。このため、軽量化及び電気絶縁性の観点から、本実施形態の溶接ワイヤ収納容器における外筒1は、厚さが厚い紙等で形成されている。   Hereinafter, a welding wire container according to an embodiment of the present invention will be specifically described with reference to the accompanying drawings. FIG. 1 is a cross-sectional view showing a welding wire storage container of the present embodiment. In the welding wire storage container of the present embodiment, the lower end portion of the cylindrical outer cylinder 1 is caulked, and the disc-shaped bottom plate 5 is fixed, whereby the bottom plate 5 is held at the lower end portion of the outer cylinder 1. A sealed container is constructed. Therefore, the inner diameter of the inner surface of the outer cylinder 1 is small in the caulking portion 1a at the lower end. The bottom plate 5 and the outer cylinder 1 are fixed in a mutually reinforcing manner by a metal reinforcing band (not shown) that wraps the caulked portion 1 a of the outer cylinder 1 and the bottom surface of the bottom plate 5. Generally, since a welding wire of 200 to 500 kg is stored in a welding wire storage container, a safe and robust structure is required during transportation and hanging transfer. For this reason, from the viewpoint of weight reduction and electrical insulation, the outer cylinder 1 in the welding wire storage container of the present embodiment is formed of thick paper or the like.

本実施形態の溶接ワイヤ収納容器においては、外筒1の内部に外筒1よりも直径が小さい円筒状の内筒6が外筒1と同軸的に配置されており、この内筒6の下端部は底板5上に固定されている。そして、この底板5上には、その外筒1と内筒6との間に、溶接ワイヤコイル10が載置されるようになっている。この溶接ワイヤコイル10は、溶接ワイヤ10aを内筒6と外筒1との間の空間に、ループ状に1回巻あたり略360°の捻りを付与して、落とし込むようにして充填することにより、収納される。   In the welding wire storage container of the present embodiment, a cylindrical inner cylinder 6 having a diameter smaller than that of the outer cylinder 1 is disposed coaxially with the outer cylinder 1 inside the outer cylinder 1. The part is fixed on the bottom plate 5. A welding wire coil 10 is placed on the bottom plate 5 between the outer cylinder 1 and the inner cylinder 6. The welding wire coil 10 is formed by filling the welding wire 10a with a twist of about 360 ° per turn in a loop shape in the space between the inner cylinder 6 and the outer cylinder 1 and dropping it. Stored.

本実施形態の溶接ワイヤ収納容器においては、溶接ワイヤコイル10の上に、押さえ治具2が載置されている。図2はこの押さえ治具2を示す斜視図、図3は同じく押さえ治具2の断面図である。押さえ治具2は、リング状の平板部3と、この平板部3の外縁から立ち上がる筒状の堰部4とから構成されている。そして、堰部4はその下方部分4aの直径が上方部分4bの直径よりも小さく、下方部分4aと上方部分4bとの間に段差4cが形成されている。なお、堰部4の下方部分4a及び上方部分4bは、平板部3に対して必ずしも垂直ではなく、いずれも、より上方部分が大径となっており、外側に向けて傾斜している。   In the welding wire storage container of the present embodiment, the holding jig 2 is placed on the welding wire coil 10. FIG. 2 is a perspective view showing the holding jig 2, and FIG. 3 is a cross-sectional view of the holding jig 2. The holding jig 2 includes a ring-shaped flat plate portion 3 and a cylindrical weir portion 4 that rises from the outer edge of the flat plate portion 3. The dam portion 4 has a lower portion 4a having a diameter smaller than that of the upper portion 4b, and a step 4c is formed between the lower portion 4a and the upper portion 4b. In addition, the lower part 4a and the upper part 4b of the dam part 4 are not necessarily perpendicular | vertical with respect to the flat plate part 3, and the upper part has a large diameter and is inclined toward the outer side.

そして、平板部3には、鋼製リング状の錘7aが平板部3の中心を中心として同軸的になるように、載置されている。そして、平板部3には、更に、2個のスリット状の孔8がその長手方向をリング状平板部3の半径方向に向けて等間隔の位置に形成されている。   Then, a steel ring-shaped weight 7 a is placed on the flat plate portion 3 so as to be coaxial with the center of the flat plate portion 3 as the center. Further, two slit-like holes 8 are formed in the flat plate portion 3 at equal intervals with the longitudinal direction thereof being directed in the radial direction of the ring-shaped flat plate portion 3.

次に、上述の如く構成された溶接ワイヤ収納容器の押さえ治具2の好ましい材質及び好ましい形状寸法について説明する。押さえ治具2は、平板部3と、堰部4(下方部分4a、上方部分4b及び段差部4c)とがオレフィン系樹脂により一体成形されたものであり、板厚(a)が0.5乃至5mmの薄肉状をなしている。この押さえ治具2の外径(d)は、外筒1の内径よりも0.5乃至5.0mm小さく、押さえ治具2の内径(b)は、内筒6の外径よりも20乃至30mm大きい。また、平板部3の外径(c)は、外筒1のかしめ部1aの内径(外筒1の最小内径)よりも小さいものであり、この平板部3の外縁から立ち上がる下方部分4aが外筒1のかしめ部1aの内側に嵌合する大きさを有している。つまり、段差部4cより下方の部分4aがかしめ部1a内に嵌合されるので、段差部4cの平板部3からの高さ(f)は、かしめ部1aの底板5からの高さにより決まる。また、堰部4の高さ(e)、つまり、堰部4の上端の平板部3からの高さは、40乃至60mmである。これは、溶接ワイヤが堰部4と外筒1の内面との間の隙間から飛びでないようにするために、40mm以上の高さにした方が好ましいことと、高さが60mmを超えると、容器の上端部に蓋をして溶接ワイヤコイルを収納するときに、押さえ治具2が大きすぎて、収納できる溶接ワイヤの質量が少なくなる。よって、押さえ治具2の堰部4の高さは40乃至60mmにすることが好ましい。また、オレフィン系樹脂としては、ABS(Acrylonitrile-Butadiene-Styrene;アクリロニトリル−ブタジエン−スチレン)樹脂、PP(Polypropylene;ポリプロピレン)樹脂、PS(Poly- Styrene;ポリスチレン)樹脂等があり、これを、射出成形等により成形することにより、押さえ治具2を得ることができる。   Next, a preferable material and a preferable shape and size of the holding jig 2 of the welding wire storage container configured as described above will be described. In the holding jig 2, the flat plate portion 3 and the weir portion 4 (lower portion 4a, upper portion 4b and step portion 4c) are integrally formed of an olefin resin, and the plate thickness (a) is 0.5. It has a thin shape of 5 to 5 mm. The outer diameter (d) of the pressing jig 2 is 0.5 to 5.0 mm smaller than the inner diameter of the outer cylinder 1, and the inner diameter (b) of the pressing jig 2 is 20 to 20 mm than the outer diameter of the inner cylinder 6. 30 mm larger. Further, the outer diameter (c) of the flat plate portion 3 is smaller than the inner diameter of the caulking portion 1a of the outer cylinder 1 (the minimum inner diameter of the outer cylinder 1), and the lower portion 4a rising from the outer edge of the flat plate portion 3 is outside. It has a size that fits inside the caulking portion 1 a of the tube 1. That is, since the portion 4a below the step portion 4c is fitted into the caulking portion 1a, the height (f) of the step portion 4c from the flat plate portion 3 is determined by the height of the caulking portion 1a from the bottom plate 5. . Moreover, the height (e) of the dam part 4, ie, the height from the flat plate part 3 of the upper end of the dam part 4, is 40 to 60 mm. This is because it is preferable that the welding wire has a height of 40 mm or more in order to prevent the welding wire from jumping from the gap between the weir portion 4 and the inner surface of the outer cylinder 1, and when the height exceeds 60 mm, When the welding wire coil is accommodated by covering the upper end of the container, the holding jig 2 is too large, and the mass of the welding wire that can be accommodated is reduced. Therefore, it is preferable that the height of the weir portion 4 of the holding jig 2 is 40 to 60 mm. Examples of the olefin resins include ABS (Acrylonitrile-Butadiene-Styrene) resin, PP (Polypropylene) resin, PS (Poly-Styrene) resin, and the like. The pressing jig 2 can be obtained by molding with the above.

錘7aは直径が5.5乃至20mmの鋼棒をリング状に湾曲させたものであり、押さえ治具2が溶接ワイヤの暴れにより浮き上がることを防止するようになっている。また、孔8は、幅が2乃至20mm、長さが10乃至50mmの大きさを有するスリット状又は長方形状をなし、この孔8により、押さえ治具2の下方の溶接ワイヤ10aの残量を視認することができるようになっている。なお、図2において、孔8はスリット状又は長方形状をなしているが、孔8の形状はこれに限定されるものではない。   The weight 7a is formed by bending a steel rod having a diameter of 5.5 to 20 mm into a ring shape, and prevents the pressing jig 2 from being lifted due to the ramp of the welding wire. Further, the hole 8 has a slit shape or a rectangular shape having a width of 2 to 20 mm and a length of 10 to 50 mm, and the remaining amount of the welding wire 10a below the holding jig 2 is reduced by the hole 8. It can be visually recognized. In FIG. 2, the hole 8 has a slit shape or a rectangular shape, but the shape of the hole 8 is not limited to this.

なお、上記材質及び形状寸法は一例であり、本発明はこれに限定されるものではない。また、図2に示す実施形態では、孔8は2個形成されているが、本発明は、これに限らず、1又は複数個設けることができる。孔8は5個以上設けることもできるが、孔8が4個以下でも下方の溶接ワイヤを十分に確認することができ、孔8の数が増えると、押さえ治具2の平板部3の強度が低下すると共に、この孔8を介して下方の溶接ワイヤ10aが錆びやすくなる。いずれにしても、孔8の配置は、等間隔になるようにすることが好ましい。   In addition, the said material and shape dimension are examples, and this invention is not limited to this. In the embodiment shown in FIG. 2, two holes 8 are formed. However, the present invention is not limited to this, and one or a plurality of holes 8 can be provided. Although the number of the holes 8 can be five or more, the lower welding wire can be sufficiently confirmed even if the number of the holes 8 is four or less, and the strength of the flat plate portion 3 of the holding jig 2 increases as the number of the holes 8 increases. And the lower welding wire 10a easily rusts through the hole 8. In any case, it is preferable to arrange the holes 8 at equal intervals.

次に、上述の如く構成された溶接ワイヤ収納容器の動作について説明する。外筒1と内筒6との間の底板5上に、ソリッドワイヤ又はフラックス入りワイヤ等の溶接ワイヤ10aを落とし込んで、溶接ワイヤコイル10を収納する。この溶接ワイヤコイル10は例えば質量が200乃至500kgの大きさを有する。そして、図1に示すように、押さえ治具2をコイル10の上に載置し、溶接ワイヤ10aを押さえ治具2と内筒6との間の隙間から上方に引き出す。   Next, the operation of the welding wire storage container configured as described above will be described. A welding wire 10 a such as a solid wire or a flux-cored wire is dropped onto the bottom plate 5 between the outer cylinder 1 and the inner cylinder 6 to accommodate the welding wire coil 10. The welding wire coil 10 has a mass of 200 to 500 kg, for example. Then, as shown in FIG. 1, the holding jig 2 is placed on the coil 10, and the welding wire 10 a is drawn upward from the gap between the holding jig 2 and the inner cylinder 6.

そうすると、溶接ワイヤ10aが引き出されたトーチに送給されることにより、コイル10の高さが徐々に低下していき、それに伴い、コイル10上の押さえ治具2も下降していく。この場合に、押さえ治具2の堰部4の上方部分4bは外筒1との間に0.5乃至5.0mmの間隙しかないので、ほぼ外筒1の内面に摺動して下降する。これにより、溶接ワイヤ10aが引き出されるときの溶接ワイヤ10aの暴れにより、溶接ワイヤ10aが押さえ治具2と外筒1との間の隙間から押さえ治具2の上方に飛び出ることを防止することができる。この場合に、平板部3と平板部3の外周から立ち上がる堰部4がリング状をなして外筒の内面にほぼ接触しているので、この押さえ治具と外筒との間の隙間から溶接ワイヤが飛び出してしまうことが防止される。   Then, by feeding the welding wire 10a to the drawn torch, the height of the coil 10 is gradually lowered, and accordingly, the holding jig 2 on the coil 10 is also lowered. In this case, since the upper portion 4b of the weir portion 4 of the holding jig 2 has only a gap of 0.5 to 5.0 mm between the outer cylinder 1 and the upper part 4b, the upper jig 4 slides substantially downward on the inner surface of the outer cylinder 1. . Accordingly, it is possible to prevent the welding wire 10a from jumping above the holding jig 2 from the gap between the holding jig 2 and the outer cylinder 1 due to the ramp of the welding wire 10a when the welding wire 10a is pulled out. it can. In this case, since the flat plate portion 3 and the weir portion 4 rising from the outer periphery of the flat plate portion 3 form a ring shape and substantially contact the inner surface of the outer cylinder, welding is performed from the gap between the holding jig and the outer cylinder. The wire is prevented from jumping out.

そして、この堰部4は平板部3の全周の外縁から立ち上がるように平板部3と一体成形されているため、従来の羽根体の場合に比して、剛性が高く、このため、外筒内面と押さえ治具2との間の隙間から溶接ワイヤが跳ね上がろうとしても、この跳ね上がりを堰部4が確実に阻止することができる。また、経時変化により堰部4が外筒1内面を押圧する応力が低下することがなく、溶接ワイヤの飛び出しを確実に防止することができる。また、仮に、溶接ワイヤがこの堰部4の上縁よりも上方に飛び出たとしても、堰部4は平板部3の全周に亘って平板部3の外縁に設けられているので、飛び出たワイヤ10aは容易に元の状態、即ち、押さえ治具2の下方に容易に戻ることができる。更に、堰部4は平板部3の全周に亘って形成されているので、従来のように羽根体を局部的に設けた場合と異なり、暴れる溶接ワイヤにより切れ目が生じてしまうということもない。   And since this dam part 4 is integrally formed with the flat plate part 3 so that it may stand up from the outer edge of the perimeter of the flat plate part 3, compared with the case of the conventional blade body, rigidity is high, Therefore Even if the welding wire tries to jump up from the gap between the inner surface and the holding jig 2, the weir part 4 can reliably prevent the jumping up. Further, the stress that the weir portion 4 presses the inner surface of the outer cylinder 1 does not decrease due to the change over time, and the welding wire can be reliably prevented from popping out. Further, even if the welding wire jumps upward from the upper edge of the dam portion 4, the dam portion 4 is provided at the outer edge of the flat plate portion 3 over the entire circumference of the flat plate portion 3, so that it jumped out. The wire 10a can be easily returned to the original state, that is, below the holding jig 2. Furthermore, since the weir portion 4 is formed over the entire circumference of the flat plate portion 3, unlike the case where the blade body is provided locally as in the prior art, there is no occurrence of a break due to the violent welding wire. .

また、押さえ治具2は、堰部4及び平板部3がオレフィン系樹脂により一体成形されたものであるので、従来のように、発泡ウレタンスポンジからなる羽根体を設けた場合に比して、材質又は剛性等の特性の経時変化が生じにくく、更に一層外筒内面への押圧力の劣化を防止することができる。   Further, since the holding jig 2 is one in which the weir portion 4 and the flat plate portion 3 are integrally formed of an olefin-based resin, as compared with the case where a blade body made of foamed urethane sponge is provided, Changes in characteristics such as material or rigidity are less likely to occur with time, and further deterioration of the pressing force on the inner surface of the outer cylinder can be prevented.

更に、溶接ワイヤの残量が少なくなり、溶接ワイヤコイル10の高さが外筒1のかしめ部1aより低くなっても、押さえ治具2の下方部分4aがかしめ部1aに囲まれた部分に入り込むので、かしめ部1a内の溶接ワイヤコイル10の上面を依然として押さえ治具2が押さえることができる。このため、容器内のワイヤの残量が少なくなっても、押さえ治具2は確実に溶接ワイヤコイル10を押さえることができ、最下層の溶接ワイヤまで絡み及びもつれを生じることなく、円滑に巻き解くことができる。   Furthermore, even if the remaining amount of the welding wire is reduced and the height of the welding wire coil 10 is lower than the caulking portion 1a of the outer cylinder 1, the lower portion 4a of the pressing jig 2 is surrounded by the caulking portion 1a. Since it enters, the pressing jig 2 can still press the upper surface of the welding wire coil 10 in the caulking portion 1a. For this reason, even if the remaining amount of the wire in the container is reduced, the holding jig 2 can reliably hold the welding wire coil 10 and smoothly wrap around the lowermost welding wire without causing entanglement and entanglement. Can be solved.

溶接ワイヤの使用状況に応じて、途中で溶接が中断し、溶接対象物を補修しなければならなくなる場合がある。このため、区切りの良い溶接が行えるように、収納容器の溶接ワイヤ残量を確認するために、押さえ治具には、溶接ワイヤ残量を視認するための窓が設けられている。従来の押さえ治具の場合は、この視認用の窓が極めて大きなものであったので、溶接ワイヤ収納容器が外気温度の変化を受けて結露が生じやすい環境下におかれた場合、押さえ治具の視認用窓を介して露出している溶接ワイヤが錆びることがある。しかし、本発明においては、この視認用窓が、幅が5乃至10mmの孔8であるので、下方の溶接ワイヤは、結露の影響を受けにくく、従って、溶接ワイヤの変色及び錆びの発生を抑制することができる。   Depending on the usage status of the welding wire, the welding may be interrupted and repair of the welding object may occur. For this reason, in order to confirm the welding wire remaining amount of a storage container so that the welding of a good separation can be performed, the window for visually checking the welding wire remaining amount is provided in the holding jig. In the case of the conventional holding jig, this visual recognition window was extremely large, so if the welding wire storage container is subject to changes in the outside air temperature and is likely to cause condensation, the holding jig The welding wire exposed through the viewing window may rust. However, in the present invention, since this visual recognition window is a hole 8 having a width of 5 to 10 mm, the lower welding wire is not easily affected by condensation, and therefore, discoloration and rusting of the welding wire are suppressed. can do.

また、従来の押さえ板の羽根体112a(図9(b))は発泡ウレタンスポンジ製であるので、この羽根体112aと直接接触する溶接ワイヤが変色したり、錆びたりしやすい。また、羽根体112aを構成する発泡ウレタンスポンジは、塩素を含有するため、押さえ板を廃棄する際に、焼却処分しようとすると、ダイオキシンの発生源となるため、廃棄が困難である。   Further, since the blade body 112a (FIG. 9B) of the conventional pressing plate is made of urethane foam sponge, the welding wire that directly contacts the blade body 112a is likely to be discolored or rusted. In addition, since the urethane foam sponge constituting the blade body 112a contains chlorine, if it is attempted to incinerate when the pressing plate is discarded, it becomes a source of dioxins and is difficult to discard.

しかし、本発明においては、堰部4が平板部3と同一のオレフィン系樹脂材料により一体成形されているので、溶接ワイヤと接触しても、変色及び錆びが発生することがない。また、押さえ治具2はオレフィン系樹脂により成形されており、また、錘7aがリング状の鋼棒であるので、スクラップ処理が容易であり、押さえ治具2を焼却処分してもダイオキシンが発生することがなく、容易に廃棄処分することができる。   However, in the present invention, since the weir portion 4 is integrally formed of the same olefin resin material as that of the flat plate portion 3, discoloration and rust do not occur even when contacting the welding wire. Moreover, since the holding jig 2 is formed of an olefin resin and the weight 7a is a ring-shaped steel rod, scrap processing is easy, and dioxins are generated even if the holding jig 2 is incinerated. And can be easily disposed of.

図4は本発明の他の実施形態に係る溶接ワイヤ収納容器の押さえ治具2aを示す斜視図、図5はその溶接ワイヤ収納容器を示す模式的斜視図である。この押さえ治具2aは、その平板部3上に、4個の鋼板錘7bを設けたものである。この錘7bは、例えば、厚さが3乃至25mm、幅が9乃至50mm、長さが50乃至200mmの鋼板であり、両面接着テープにより、平板部3上の等間隔の位置に接合されている。なお、この錘7bの数は、4個に限らず、複数個設けることができる。また、この錘7bは平板部3の表面に突部を成形し、この突部上に接着しても良い。但し、溶接ワイヤコイルに対して均等に荷重を印加するため、錘7bの間隔は均一にすることが好ましい。また、本実施形態は、図5に示すように内筒を有しないものであるが、上記鋼板錘7bは内筒を有する場合にも使用できる。   FIG. 4 is a perspective view showing a holding jig 2a for a welding wire storage container according to another embodiment of the present invention, and FIG. 5 is a schematic perspective view showing the welding wire storage container. The pressing jig 2a is provided with four steel plate weights 7b on the flat plate portion 3 thereof. The weight 7b is, for example, a steel plate having a thickness of 3 to 25 mm, a width of 9 to 50 mm, and a length of 50 to 200 mm, and is joined at equal intervals on the flat plate portion 3 by a double-sided adhesive tape. . The number of weights 7b is not limited to four, and a plurality of weights 7b can be provided. Further, the weight 7b may be formed with a protrusion on the surface of the flat plate portion 3 and bonded to the protrusion. However, in order to apply a load evenly to the welding wire coil, it is preferable to make the intervals of the weights 7b uniform. Moreover, although this embodiment does not have an inner cylinder as shown in FIG. 5, the said steel plate weight 7b can be used also when it has an inner cylinder.

このように、錘は、リング状に限らず、複数個の個片状のものを等間隔に配置したものでも、同様の効果を奏する。また、内筒は必ずしも設ける必要がない。しかし、この場合に、押さえ治具2の平板部3に引き出し孔を設け、溶接ワイヤ10aをこの引き出し孔を挿通させて引き出すことが好ましい。   As described above, the weight is not limited to the ring shape, and the same effect can be obtained when a plurality of pieces are arranged at equal intervals. Further, the inner cylinder is not necessarily provided. However, in this case, it is preferable that a pull-out hole is provided in the flat plate portion 3 of the holding jig 2 and the welding wire 10a is drawn through the pull-out hole.

また、上述の方法で巻回されて収納された容器入り溶接ワイヤを運搬及び保管する際は、外筒1の上端部に蓋(図示せず)が被せられる。その際、押さえ治具2と蓋との間には、紙製等のスペーサ(図示せず)を配置することが好ましい。これにより、運搬中に、振動により溶接ワイヤコイルがほどけてしまい、絡み及びもつれが生じることを防止することができる。   Further, when transporting and storing the container-containing welding wire wound and stored by the above-described method, a lid (not shown) is put on the upper end portion of the outer cylinder 1. In that case, it is preferable to arrange a spacer (not shown) made of paper or the like between the pressing jig 2 and the lid. Thereby, it is possible to prevent the welding wire coil from being unwound due to vibration during transportation and causing entanglement and entanglement.

更に、本実施形態の溶接ワイヤ収納容器においては、押さえ治具2により溶接ワイヤコイル10の上面の大部分を覆っているため、溶接ワイヤコイル10の内部に湿気が入りにくく、溶接ワイヤの防錆効果が優れている。   Furthermore, in the welding wire storage container of the present embodiment, since most of the upper surface of the welding wire coil 10 is covered by the holding jig 2, moisture does not easily enter the welding wire coil 10, and the welding wire is prevented from being rusted. The effect is excellent.

図6(a)は本発明の更に他の実施形態に係る溶接ワイヤ収納容器の押さえ治具2bをその突起を明示するために上下逆にして示す平面図、図6(b)は同じく一部断面図である。各図において、一点鎖線で示す部分は突起20を拡大して示す図である。押さえ治具2bは、図3と同様に、リング状の平板部3と、堰部4とが一体成形されたものである。堰部4は、下方部分4aと上方部分4bとがその間に段差部4cを設けて開口側に向けて広がるように傾斜して成形されている。つまり、押さえ治具2bはその上方が広がるような形状を有し(図示は上下逆)、この上端縁が外筒の内面に接触又は摺動するようになっている。そして、この堰部4の上方部分4bの上端部には、堰部4の周方向の3等配の位置に夫々突起20が形成されている。つまり、押さえ治具2bの中心の周りにおける中心角120°をなす位置に、突起20が設けられている。この突起20の先端を結ぶ包絡円は押さえ治具2bの堰部4の上端縁より直径が大きく、従って、突起20は押さえ治具2bの堰部4よりも外方に突出している。   FIG. 6A is a plan view showing a holding jig 2b of a welding wire storage container according to still another embodiment of the present invention upside down in order to clearly show the protrusion, and FIG. It is sectional drawing. In each figure, the part shown with a dashed-dotted line is the figure which expands and shows the protrusion 20. FIG. As in FIG. 3, the holding jig 2 b is formed by integrally forming a ring-shaped flat plate portion 3 and a weir portion 4. The dam portion 4 is formed so as to be inclined so that the lower portion 4a and the upper portion 4b are provided with a step portion 4c therebetween and spread toward the opening side. In other words, the holding jig 2b has a shape in which the upper part spreads out (the figure is upside down), and the upper end edge contacts or slides on the inner surface of the outer cylinder. And the protrusion 20 is formed in the upper end part of the upper part 4b of this dam part 4 in the position of 3 equal intervals of the circumferential direction of the dam part 4, respectively. That is, the protrusion 20 is provided at a position that forms a central angle of 120 ° around the center of the holding jig 2b. The envelope circle connecting the tips of the protrusions 20 has a diameter larger than that of the upper end edge of the weir part 4 of the pressing jig 2b. Therefore, the protrusions 20 protrude outward from the weir part 4 of the pressing jig 2b.

次に、上述の如く構成された本実施形態の押さえ治具の動作について説明する。ワイヤの跳ね上がり挙動は、ワイヤの直径を超える隙間が、外筒内面と押さえ治具との間に、押さえ治具の半円周以上の長さにわたって存在するときに発生しやすい。一方、外筒の内面の直径は、設計値から0〜+5mmの範囲でばらつくことがある。そうすると、押さえ治具2bの外縁が真円であり、その直径が外筒の内面の直径の設計値どおりの寸法であると、外筒内面直径が最大値で振れると、その外筒と押さえ治具との間の隙間から、ワイヤが上方に通過しやすい。これに対し、本発明においては、堰部4の上部(上方部分4bの上部)に外方に突出する突起20を設けたので、堰部4と外筒1(図1)との間から、溶接ワイヤが押さえ治具2bの上方に飛び出ること(跳ね上がり)が確実に防止される。そして、この突起20が3箇所以上、堰部4の周方向に等間隔に設けられているので、周方向に均一にワイヤの通過を防止できるので、より確実にワイヤの跳ね上がりを防止できる。このとき、平面視で、複数個の突起の先端の包絡円が、前記外筒の内面より大きくなるようにすると、外筒の製造寸法の精度が低くて設計値よりも大きすぎ、外筒と押さえ治具堰部4との間に比較的大きな隙間が生じた場合にも、突起20の先端の包絡円が外筒1の設計値よりも大きいので、突起20の先端が外筒内面に確実に接触して、ワイヤの通過を確実に防止できる。また、外筒の大きさが設計値どおりであった場合は、押させ治具2bの堰部4の突起20が外筒1の内面に押されて、堰部4が若干内側にたわむことでこれを吸収できる。この場合に、堰部4の上端縁自体が外筒の内面より大きくなっているのではなく、複数個の突起20の包絡円が外筒内面より大きいだけであるので、突起20の先端が外筒内面からの反力を受けて外筒内面に摺動するだけであり、押さえ治具2bの降下を阻止する大きな摩擦力が作用することはない。   Next, the operation of the pressing jig of the present embodiment configured as described above will be described. The jumping behavior of the wire is likely to occur when a gap exceeding the diameter of the wire exists between the inner surface of the outer cylinder and the pressing jig over a length equal to or more than a half circumference of the pressing jig. On the other hand, the diameter of the inner surface of the outer cylinder may vary in the range of 0 to +5 mm from the design value. Then, if the outer edge of the holding jig 2b is a perfect circle and the diameter is the same as the design value of the inner diameter of the outer cylinder, when the outer cylinder inner surface diameter swings at the maximum value, the outer cylinder and the holding jig It is easy for the wire to pass upward from the gap between the tools. On the other hand, in the present invention, since the protrusion 20 protruding outward is provided on the upper part of the weir part 4 (upper part 4b), from between the weir part 4 and the outer cylinder 1 (FIG. 1), It is reliably prevented that the welding wire jumps out (bounces up) above the holding jig 2b. And since this protrusion 20 is provided in three or more places at equal intervals in the circumferential direction of the dam part 4, since the passage of a wire can be prevented uniformly in the circumferential direction, the jumping of a wire can be prevented more reliably. At this time, when the envelope circle at the tip of the plurality of protrusions is larger than the inner surface of the outer cylinder in plan view, the manufacturing dimension accuracy of the outer cylinder is too low and larger than the design value, Even when a relatively large gap is generated between the holding jig dam 4 and the envelope circle at the tip of the projection 20 is larger than the design value of the outer cylinder 1, the tip of the projection 20 is surely attached to the inner surface of the outer cylinder. Can be reliably prevented from passing through the wire. Further, when the size of the outer cylinder is as designed, the protrusion 20 of the weir part 4 of the pushing jig 2b is pushed against the inner surface of the outer cylinder 1, and the weir part 4 is bent slightly inward. This can be absorbed. In this case, the upper edge of the dam portion 4 itself is not larger than the inner surface of the outer cylinder, but the envelope circle of the plurality of protrusions 20 is only larger than the inner surface of the outer cylinder. It only receives the reaction force from the inner surface of the cylinder and slides on the inner surface of the outer cylinder, and a large frictional force that prevents the pressing jig 2b from descending does not act.

更に、図7に示すように、突起20の下面が外方に向けて(外筒1に向けて)下方に傾斜している場合は、ワイヤ送給時、即ち巻き解き時に、ワイヤが堰部4と外筒1との間を上方に移動しようとした場合に、ワイヤは、外方に向けて下方に突出する突起20の下面に係止されて突起20の根元に案内されやすい。このため、押さえ治具20と外筒1との間を、ワイヤが上方に通過することを更に確実に防止することができる。この効果は、必ずしも突起の下面が下方に傾斜している場合に限らず、水平又は若干上方に向いていても同様に得られる。即ち、突起20の下面と外筒内面との角度βが75度以上あればワイヤのとび出しを防止できる。また、仮にワイヤが上方に通過してしまった場合、突起20上面が外筒1内面に向けて下方に傾斜しているので、ワイヤの送給時にワイヤが内筒側に引っ張られて、ワイヤの押さえ治具上の部分に下方への力が作用すれば、ワイヤのこの部分はこの突起20の外方に向けて下方に傾斜する上面に案内されて、突起20を押しのけ、押さえ治具2bの下方に戻ることができる。この突起20の上面と外筒内面とがなす角度αは60度以下であることが好ましい。なお、本実施例は突起20が3個の場合であるが、突起は2個以上あれば特にその個数は限定されない。   Furthermore, as shown in FIG. 7, when the lower surface of the protrusion 20 is inclined downward (toward the outer cylinder 1), when the wire is fed, that is, at the time of unwinding, the wire When an attempt is made to move upward between 4 and the outer cylinder 1, the wire is easily guided to the base of the protrusion 20 by being locked to the lower surface of the protrusion 20 that protrudes downward toward the outside. For this reason, it can prevent more reliably that a wire passes upwards between the pressing jig 20 and the outer cylinder 1. This effect is not necessarily limited to the case where the lower surface of the protrusion is inclined downward, but can be obtained in the same manner even when the protrusion faces horizontally or slightly upward. That is, if the angle β between the lower surface of the protrusion 20 and the inner surface of the outer cylinder is 75 degrees or more, it is possible to prevent the wire from protruding. If the wire passes upward, the upper surface of the protrusion 20 is inclined downward toward the inner surface of the outer cylinder 1, so that the wire is pulled toward the inner cylinder when the wire is fed, If a downward force is applied to a portion on the holding jig, this portion of the wire is guided to the upper surface inclined downward toward the outside of the projection 20 to push the projection 20 and to push the holding jig 2b. You can go back down. The angle α formed by the upper surface of the protrusion 20 and the inner surface of the outer cylinder is preferably 60 degrees or less. In this embodiment, the number of the protrusions 20 is three, but the number of protrusions is not particularly limited as long as the number of protrusions is two or more.

押さえ治具2bの突起20の包絡円の直径は、ワイヤ収納容器の内面直径と同等又はそれより大きく設計されており、押さえ治具を収納容器内に設置する際には、押さえ治具2bの堰部4の変形により、突起20の包絡円の直径を小さくする必要がある。同時に、押さえ治具2bを収納容器内に設置した状態では、突起20は収納容器外筒内面に対し、堰部4の弾性変形に起因する押しつけ力を維持し、跳ね上がりを防止することができる。この突起20により押しつけ力は、収納容器内部に設置された状態で、1000g以下であることが好ましい。1000gを超えると、押さえ治具2bの重量が軽い場合に、収納容器の外筒1の内面に突起20が引っかかり、ワイヤの送給に伴いワイヤ高さが低下することに押さえ治具2bが追従できず、有効なワイヤ押さえ力が得られない。   The diameter of the envelope circle of the protrusion 20 of the holding jig 2b is designed to be equal to or larger than the inner diameter of the wire storage container. When the holding jig is installed in the storage container, It is necessary to reduce the diameter of the envelope circle of the protrusion 20 due to the deformation of the weir part 4. At the same time, in a state where the holding jig 2b is installed in the storage container, the protrusion 20 can maintain the pressing force due to the elastic deformation of the weir part 4 against the inner surface of the outer cylinder of the storage container, and can prevent jumping. The pressing force by the protrusions 20 is preferably 1000 g or less in a state of being installed inside the storage container. When the weight exceeds 1000 g, when the weight of the holding jig 2b is light, the protrusion 20 is caught on the inner surface of the outer cylinder 1 of the storage container, and the holding jig 2b follows the wire height as the wire is fed. It is not possible to obtain an effective wire pressing force.

本発明の実施形態の溶接ワイヤ収納容器を示す断面図である。It is sectional drawing which shows the welding wire storage container of embodiment of this invention. 本実施形態の押さえ治具2を示す斜視図である。It is a perspective view which shows the pressing jig 2 of this embodiment. 同じく本実施形態の押さえ治具2を示す断面図である。It is sectional drawing which similarly shows the holding jig 2 of this embodiment. 本発明の他の実施形態の溶接ワイヤ収納容器の押さえ治具2aを示す斜視図である。It is a perspective view which shows the pressing jig 2a of the welding wire storage container of other embodiment of this invention. 本実施形態の溶接ワイヤ収納容器を示す模式的斜視図である。It is a typical perspective view which shows the welding wire storage container of this embodiment. 本発明の更に他の実施形態の溶接ワイヤ収納容器の押さえ治具2bを示す平面図(a)及び一部側面図(b)である。It is the top view (a) and partial side view (b) which show the holding jig 2b of the welding wire storage container of further another embodiment of this invention. その変形例を示す模式図である。It is a schematic diagram which shows the modification. (a)は従来の容器入り溶接ワイヤを模式的に示す斜視図であり、(b)はその断面図である。(A) is a perspective view which shows the conventional welding wire with a container typically, (b) is the sectional drawing. 従来の溶接ワイヤ収納容器の押さえ板を示す斜視図である。It is a perspective view which shows the holding plate of the conventional welding wire storage container. 底が嵩上げされた従来の溶接ワイヤ収納容器の一部を示す断面図である。It is sectional drawing which shows a part of conventional welding wire storage container by which the bottom was raised. 特許文献5に記載の溶接ワイヤ収納容器の押さえ板を示す平面図である。It is a top view which shows the pressing plate of the welding wire storage container of patent document 5.

符号の説明Explanation of symbols

1、101;外筒
2、2a、2b;押さえ治具
12、102、112、120;押さえ板
121;環状平板
3;平板部
4;堰部
4a;下方部分
4b;上方部分
4c;段差部
5;底板
6、106;内筒
7a、7b;錘
8;孔
10、100;溶接ワイヤコイル
10a、100a;溶接ワイヤ
103;リング
108;ひも
109;円盤
107;クランプ
102,112;押さえ板
112a;羽根体
1, 101; outer cylinder 2, 2a, 2b; holding jig 12, 102, 112, 120; holding plate 121; annular flat plate 3; flat plate portion 4; dam portion 4a; lower portion 4b; upper portion 4c; ; Bottom plate 6, 106; inner cylinder 7a, 7b; weight 8; hole 10, 100; welding wire coil 10a, 100a; welding wire 103; ring 108; string 109; disc 107; clamp 102, 112; body

Claims (11)

溶接ワイヤのコイルを収納する溶接ワイヤ収納容器において、外筒と、前記外筒をかしめることにより前記外筒の内部に保持され底部を形成する底板と、前記溶接ワイヤコイル上に載置される押さえ治具と、を有し、前記押さえ治具は、前記溶接ワイヤ上のリング状の平板部と、この平板部の全周においてその外縁から上方に立ち上がる堰部とが一体成形された形状を有し、前記平板部が前記溶接ワイヤコイルの上面に接触し、前記堰部は下方の部分が上方の部分より小径となるような段付き形状を有し、前記堰部の下方部分は前記外筒のかしめ部の内径より小さい外径を有し、前記堰部の上方部分は前記外筒の内面の直径より小さく前記かしめ部の内径より大きな外径を有し、前記堰部の上部に外方に突出する複数個の突起が設けられていることを特徴とする溶接ワイヤ収納容器。 In a welding wire storage container for storing a coil of a welding wire, an outer cylinder, a bottom plate which is held inside the outer cylinder by caulking the outer cylinder and forms a bottom portion, and placed on the welding wire coil A holding jig, and the holding jig has a shape in which a ring-shaped flat plate portion on the welding wire and a weir portion rising upward from the outer edge of the flat plate portion are integrally formed. The flat plate portion is in contact with the upper surface of the welding wire coil, the weir portion has a stepped shape such that the lower portion has a smaller diameter than the upper portion, and the lower portion of the weir portion is the outer portion has an outside diameter smaller than the inside diameter of the caulking portion of the cylindrical, upper part of the dam portion have a larger outer diameter than the inner diameter of the caulked portion smaller than the diameter of the inner surface of the outer cylinder, the outer upper portion of the dam A plurality of protrusions protruding in the direction Welding wire container, characterized in that. 前記突起は3個以上、堰部の周方向に等間隔に設けられていることを特徴とする請求項に記載の溶接ワイヤ収納容器。 The welding wire storage container according to claim 1 , wherein three or more projections are provided at equal intervals in the circumferential direction of the weir portion. 平面視で、前記複数個の突起の先端の包絡円は、前記外筒の内面より大きいことを特徴とする請求項に記載の溶接ワイヤ収納容器。 3. The welding wire storage container according to claim 2 , wherein an envelope circle at a tip of the plurality of protrusions is larger than an inner surface of the outer cylinder in a plan view. 前記突起は少なくとも上面が外方に向けて下方に傾斜して突出していることを特徴とする請求項1乃至3のいずれか1項に記載の溶接ワイヤ収納容器。 The welding wire storage container according to any one of claims 1 to 3 , wherein at least the upper surface of the protrusion is inclined downward toward the outer side. 前記外筒と同軸的に配置された内筒を有することを特徴とする請求項1乃至のいずれか1項に記載の溶接ワイヤ収納容器。 The welding wire storage container according to any one of claims 1 to 4 , further comprising an inner cylinder disposed coaxially with the outer cylinder. 前記押さえ治具は、オレフィン系樹脂により一体成形されたものであることを特徴とする請求項1乃至のいずれか1項に記載の溶接ワイヤ収納容器。 The welding wire storage container according to any one of claims 1 to 5 , wherein the pressing jig is integrally formed of an olefin resin. 前記押さえ治具の上に、前記押さえ治具の中心を中心とする等配の位置に配置された複数個の錘が設けられており、前記錘は、夫々、厚さが3乃至25mm、幅が9乃至50mm、長さが50乃至200mmの鋼板であり、質量が合計で200乃至800gであることを特徴とする請求項1乃至のいずれか1項に記載の溶接ワイヤ収納容器。 On the pressing jig, a plurality of weights arranged at equal positions centered on the center of the pressing jig are provided, and each of the weights has a thickness of 3 to 25 mm and a width. There 9 to 50 mm, a steel sheet is 50 to 200mm in length, the welding wire container according to any one of claims 1 to 6, characterized in that a mass of 200 to 800g in total. 前記押さえ治具の上に、リング状の鋼製錘又は直径が0.8乃至5.5mmの巻線をコイル状に束ねた鋼製錘が設けられており、前記鋼製錘のリング外径又はコイル外径は前記外筒の内径より20乃至100mm小さく、質量が合計で200乃至800gであることを特徴とする請求項1乃至のいずれか1項に記載の溶接ワイヤ収納容器。 A ring-shaped steel weight or a steel weight obtained by bundling a coil with a diameter of 0.8 to 5.5 mm in a coil shape is provided on the holding jig, and the ring outer diameter of the steel weight is provided. The welding wire storage container according to any one of claims 1 to 7 , wherein the outer diameter of the coil is 20 to 100 mm smaller than the inner diameter of the outer cylinder, and the total mass is 200 to 800 g. 前記押さえ治具の平板部には、下方の溶接ワイヤを視認するための1又は複数個の孔が前記押さえ治具の中心を中心とする等配の位置に設けられており、前記孔は幅が2乃至20mm、長さが10乃至50mmであることを特徴とする請求項1乃至のいずれか1項に記載の溶接ワイヤ収納容器。 In the flat plate portion of the pressing jig, one or a plurality of holes for visually recognizing the lower welding wire are provided at equal positions around the center of the pressing jig. The welding wire storage container according to any one of claims 1 to 8 , wherein the length is 2 to 20 mm and the length is 10 to 50 mm. 前記押さえ治具は、板厚が0.5乃至5mmであり、前記堰部の上方部分の外径が前記外筒の内径より0.5乃至位5mm小さく、前記平板部の内径は前記内筒の外径より20乃至30mm大きく、前記堰部の上方部分の高さは40乃至60mmであることを特徴とする請求項に記載の溶接ワイヤ収納容器。 The pressing jig has a plate thickness of 0.5 to 5 mm, the outer diameter of the upper portion of the weir portion is 0.5 to 5 mm smaller than the inner diameter of the outer cylinder, and the inner diameter of the flat plate portion is the inner cylinder The welding wire storage container according to claim 5 , wherein the outer diameter of the welding wire is 20 to 30 mm larger and the height of the upper portion of the weir portion is 40 to 60 mm. 請求項1乃至10のいずれか1項に記載の溶接ワイヤ収納容器内に溶接ワイヤのコイルが収納されたものであることを特徴とする容器入り溶接ワイヤ。 A welding wire containing a container, wherein a welding wire coil is stored in the welding wire storage container according to any one of claims 1 to 10 .
JP2005297779A 2005-05-27 2005-10-12 Welding wire storage container and welding wire in container Active JP4484073B2 (en)

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