JPS5834715A - Steel plate cutting method by double-cut shear - Google Patents

Abstract

PURPOSE:To minimize the gap between two plates to the butt welded, by shearing every couple of plates, where the trailing edge of the preceding steel plate is overlapped with the leading edge of the following steel plate to be fixed temporarily and the shearing shall take place before and after this overlapped part, and thereby enhancing the straightness in the width direction. CONSTITUTION:The following steel plate 6 is delivered prior to shearing, and its leading edge is overlapped with the trailing edge of the preceding steel plate 5. This following plate 6 is cramped by the incoming side cramp 1, and upper and lower welding electrodes 8 are elevated and sunk to weld fast this overlapped part temporarily in their width direction. Thereafter the upper 3 and lower 4 edges are set in their positions, and the upper edge 3 is sunk to carry out cutting. Accordingly the cutting is carried out for the plates tack welded into a single piece, so that there is no risk of plate floating owing to its dislocation to enhance the straightness in the width direction, that will minimize the gap at the butted part when the welding is carried out, providing good applications to the TIG welding or other welding processes using electron beam, laser beams etc.

Description

【発明の詳細な説明】 本発明は、ダブルカットシャー等による鋼板郷の切断方
法に係シ、詳しくは、先行＃板の尾端部と後行鋼板の先
端部とｔ＃ｌ接によ）接続するに先立って先行板Ｏｊ＠
端部と徒行仮Ｏ先端部とを仮止めし一体化した螢、仁の
結合部前後を剪断する方法に係ゐ・ なお、鋼板等とは、一般Ｏ鋼板υ外にストシップその他
の帯状のものや棒状のものも含み。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of cutting a steel plate using a double cut shear or the like, in particular, by connecting the tail end of the leading plate # and the tip of the trailing steel plate. Prior to connecting, advance board Oj@
This relates to the method of temporarily fixing the end and the tip of the temporary O steel plate and shearing the front and back of the joint of the integrated firefly and nickel. Including objects and stick-shaped objects.

ダブルカットシャー勢とは通常のダブルカットシャー以
外に先行ならびに後行の鋼板の端部ｔと％に剪断できる
ものれすべて含まれる。The double cut shear includes, in addition to the normal double cut shear, any shear that can shear the ends t and % of the leading and trailing steel plates.

従来から、先後行の一板等の端部艷互いに浴＠によ）Ｉ
Ｉ絖すゐ＠に、これら両端部は浴接に先立つて鏝俵ＩＩ
Ｋ付ｔするダブルカットシャーによって１１１１１１１
（１１３〜−）に示す過シに剪断場れる。Conventionally, the ends of the leading and trailing boards, etc. are mutually bathed.
Both ends of these parts are troweled II before bath welding.
1111111 by double cut shear with K
The shear field is shown in (113--).

すなわち、ｊｌｌｌｍに）〜（−）は先後折角鋼板の端
ＩＩｔ剪断してから突合わせて溶接して結合する部会ｅ
４遍鴨の説明−であって、その順序は第１−一）虻示す
如く、先後行板の両鋼板５．６は輿入肯りラング２．　
１で押え下刃４を竜ツトしてから、上刃Ｓを下降嘔せる
ことによって先後ｒｆｅ両鋼［Ｌ　６０各端部ｔ８１図
（−に示？如く同時に＠断する０次に、上刃３【上昇さ
せると共（、下刃４管下降させ、上下刃から成るダ１ル
★ツＦシャ一本体をオフ２インに退避畜せる（ｊｌｌＪ
−（呻参ｊｌｌ）、その後、入側クランプｌは切断間隔
分だけａＳＳクランプ２の＠ｋｃ接近さぜるよう移動さ
せ、第１図１）に示す如く先後行の両鋼板の端ＩＩｔつ
き合わす。この第１図（ψに示す状態で例えｔｆＴＩＧ
浴警であれど、ＴＩＱトーチ７【板中方向に移動させて
浴接し、先後警スピード尋の浴警乗件のはかに、鋼板と
鋼板とのつき合わせの状１１に大きく左右され、上記の
過多に切断すゐ場合には、つき合わせのｌｌＫ１１が悪
化し、その改善が望まれている・ すなわち、ｅ遍な＃！接条件であっても１両方の鋼Ｉｊ
Ｉｉｌ１１部の間隔（ギャップ〕、が広すぎた〉。In other words, the ends of the square steel plates (IIt) are sheared before and afterward, and then they are joined together by welding.
As shown in 1-1), both steel plates 5.6 of the leading and trailing plates are in the 4-ben-kamo rung 2.
After tightening the presser lower blade 4 at step 1, lower the upper blade S to cut both the front and rear RFE steel [L 60 at each end t81 (-) to cut simultaneously as shown in Figure 1. Next, the upper blade 3. Raise the lower blade (4 pipes) and evacuate the main body consisting of the upper and lower blades to the 2nd position (jllJ
- (Answer Jll) Then, move the entry side clamp l so as to bring it closer to the aSS clamp 2 @kc by the cutting interval, and bring the ends IIt of both the leading and trailing steel plates together as shown in Fig. 1 (1). . For example, in the state shown in Fig. 1 (ψ), tfTIG
Even if it is a bath guard, the TIQ torch 7 [Move it in the direction of the board and touch the bath, the speed of the front and rear police officer riding the bath guard depends greatly on the state of the contact between the steel plates 11, and the above-mentioned If too much is cut off, the llK11 of the contact deteriorates, and its improvement is desired. In other words, e-even #! Even in the contact condition, both steel Ij
The gap between parts 11 and 11 was too wide.

ある＾はつき合わせ時に大きな力が作用して鋼板が変形
した１１８２図に示す状態で１接した鳩舎は、浴は込み
不良や穴あきの原因とａｎ、そのまま過［名せると、ラ
イン途中て浴ＩＩＮ結合部が破断する場合もある。In some cases, the steel plates are deformed by a large force when they are brought together, as shown in Figure 1182, and the pigeon coops are in contact with each other in the state shown in Figure 1182, which may cause poor filling or holes in the bath. The IIN joint may break.

ｌｌ＃虻、ＴＩＱ浴接、電子ビーム、レザービーム等を
用−た＃１ＩＩＩＫ＄Ｐいては、よ）高精度のつき合わ
せの状Ｉｌを維持することが要求され６問ｍが多い、詳
１ｊＡＫ言えば、先後行の両鋼板を正確につき合わせる
Ｋは、各々の鋼板の５１１１ｉｌ向は。#1IIIK$P using ll #flies, TIQ bath contact, electron beam, laser beam, etc. requires maintaining a high-precision alignment state, and there are many 6 questions, details 1jAK In other words, K for accurately aligning both the leading and trailing steel plates is 5111il direction of each steel plate.

平行で且つ仮中方向τ―らず１１１１であり、板厚方向
でａｍ角に１１ＪＷｌｒ場れるのが望ましい・しかしｔ
から、ｆ釆ガの如く通常のダブルカットシャーを用いて
切断する場合には、板中方向の切断ＩＩは［１Ｉ１１１
！：ならず、僅かＫわん曲していることが冥掬の結ｊ！
によって確かめられる。It is desirable that the plane is parallel and the temporary direction τ is 1111, and that the field is 11JWlr at the am angle in the plate thickness direction.
Therefore, when cutting using a normal double cut shear such as F, the cutting II in the direction of the board is [1I111
! :The fact that it's slightly curved is the real deal!
It can be confirmed by

何故ならば、過賞のダブルカットシャーは、ｊＩ３ｔｌ
ＡＫ示す如く、上刃３はレーキが付いて傾劇してお）、
鋼１Ｆ：５．６の剪断Ｓはどうしても前層てり虐合わせ
為と、５１４図（ｂ）［示す如く、り自舎わＪＩｔＩＩ
紘盆体的にすき箇のある形となり。The reason is that the double cut shear of the over-achieving prize is jI3tl.
As shown in AK, upper blade 3 has a rake and is tilted).
Steel 1F: The shear S of 5.6 is due to the previous layer abuse, and as shown in Figure 514 (b)
It has a hole-like shape similar to the Kobon body.

ζＯ状纏てＯ浴接では、前述の如＜Ｓ襞不良が生じ中す
い。In the O bath welding in the ζO shape, the above-mentioned S fold defect is likely to occur.

本斃明扛、上記欠点の解決ｔｉ的とし、具体的には、通
常のダブルカットシャーによって切断する−に、鋼板の
切断ｉＩが、仮中方陶に直線性を持ち、その結果、つき
合わせ部が均一に接近あるいは接触可能な切断方法を提
供し−ＣれＫよプ、浴接部品質および安定性の向上を目
的とする。The aim of this paper is to solve the above-mentioned drawbacks, and specifically, the cutting of the steel plate, which is cut by a normal double-cut shear, has linearity in the temporary center, and as a result, the butt part The purpose of the present invention is to provide a cutting method that allows for uniform access or contact with the substrate, and to improve the quality and stability of the bath contact area.

すなわち１本発明方法は、先行−板の尾端部と後行鋼板
の先端部とをｆ＃接して接続するに先立って剪断する際
に、まず、先行鋼板Ｖ尾端部と後行板の先端部と￥ｒ］
［合せて仮止めして一体化して結合し、その徒、この結
合部前ｉｌＫお−て先行鋼板の尾端部ならびに後行鋼板
の先端部を剪断することｔ特徴とする・ ９下１本発明方？＆について第５図（（転）、（暖なら
びＫ　（ｃ）　Ｋよって祥しく説明する。That is, in the method of the present invention, when shearing prior to connecting the tail end of the leading steel plate and the leading end of the trailing steel plate in f# contact, first, the V tail end of the leading steel plate and the leading end of the trailing steel plate are sheared. Tip and ￥r]
[It is characterized by temporarily fastening and joining together, and then shearing the tail end of the leading steel plate and the tip of the trailing steel plate at the front of this joint. How to invent it? & is nicely explained in Figure 5 ((turn), (warm and K (c) K).

まず１本発明方法は１通常のダブルカッ！−□し、この
際にその切断−が、巾方向直１１ｉＫ１ｋ　ＤＫくいの
社、被切断材が切断される＃Ｃ鍵って振られ、浮き上が
る為であると知見し、この振れを防ぐ［ｑ、被切断材を
拘束しながら切断することが好ましいＬとから成立し友
ものである。First of all, the method of this invention is 1 normal double cut! - □ However, at this time, the cutting was done straight in the width direction 11iK1k DK Kuinosha discovered that the #C key with which the material to be cut is cut is swung and floats up, and prevents this swing [q , and L, which preferably cuts the material to be cut while restraining it, are compatible.

ａｌｌ　Ｋ　ａｌｌ（１，（ｂｅｅら（ｉＫ（ｃ）Ｋ＞
ｕｌ、第１ｅＶ（ａ）〜（ｄ）と−榔に符号１は入匈ク
ランプ、２は出側クランプ、３は上刃、４社下刃を示し
、これらは従米崗と陶様に、構成されている。このダブ
ルカッ）シャーに仮ｉＩｌ接用の電１ｉ８？設けて、こ
の電極８によって切断前に、先行鋼板５と後行鋼ａｉｔ
仮止めする。all K all(1, (bee et al. (iK(c)K>
ul, the 1st eV (a) to (d) and -sho, the code 1 indicates the entrance clamp, 2 indicates the exit clamp, 3 indicates the upper blade, and 4 indicates the lower blade. has been done. Electricity 1i8 for provisional iIl connection to this double cutter? The electrode 8 is used to separate the leading steel plate 5 and the trailing steel plate before cutting.
Temporarily fasten.

すなわち０ｇＳ図（荀に示す如く、切断に先立って先行
鋼板・が送り込まれ、その先端部は先行鋼板５の尾端部
に重ねられてから、後行銅板＠社入肯タランプｌＫよ）
クラ７プされ６０次に、この３１１５図（ａ）Ｋ示す状
態で上下の＃！接用亀ａＳｔ下降ならびに上列芒せて重
ね合わせ部を像中方向に仮＃ｌ接する。In other words, the 0gS diagram (as shown in the diagram, the leading steel plate is fed in prior to cutting, and its tip is overlapped with the tail end of the leading steel plate 5, and then the trailing copper plate @ company entrance lamp lK)
7 Clamped 60 Next, this 3115 figure (a) K shows the upper and lower #! The contact arm aSt is lowered and the upper row is moved to temporarily contact the overlapping portion #l in the direction of the image.

そＶ＠、こＯ飯＃ｌ接状態で上刃３と下刃４が所定Ｏ位
置虻１１５１１（−に示す如くセット１九−ａ％ＩＰｈ
て、上刃３＃Ｔ降し、鋼板全切断する（纂ｓｍ＜呻参照
）。11511 (-) Set 19-a%IPh as shown in 11511 (-)
Then, lower the upper blade 3#T and completely cut the steel plate (see 纂sm<groan).

以上の遥珈０本発狗によれば、先後行の両鋼歇は切断前
ＫｆＬ＃Ｉ綴していることから、一体となった−ｆを切
断する仁と虻なり、従来方法で生じる鋼板の捩れによる
浮き上がシが無くなる。According to the above-mentioned Haruka 0 Hon Hatsuken, since both the leading and trailing steel wires are KfL#I before cutting, there is no difference between cutting the integrated -f and the steel plate produced by the conventional method. The lifting caused by twisting is eliminated.

その結果、板巾方向の直線性が向上し、溶接時のつき合
わせ部のスキマが極力不妊〈出来、従来方法では不可能
であったｋＴ　Ｉ　Ｇ浴接、電子ビーム、レーザービー
ム等倉用いた浴接方法にも容易に適用できる・ なお、上記のところでは、切断前に鋼板ｔｇ接により仮
止めしているが、その他仮止めは。As a result, the linearity in the width direction of the plates has been improved, and the gaps in the butt parts during welding can be made as infertile as possible, and it is possible to use kT IG bath contact, electron beam, laser beam, etc., which was impossible with conventional methods. It can also be easily applied to the bath welding method. In the above, the steel plates are temporarily fixed using TG welding before cutting, but other temporary fixing methods are also possible.

ダブルカットシャーの人出側クランプによってクランプ
してから行っているが、この仮止めはダブルカットシャ
ーのところでなく、別の位置。This is done after clamping with the exit side clamp of the double cut shear, but this temporary fixing is not done on the double cut shear, but in a different position.

例えば、入側の何れかのと仁ろでおいて行って連結し、
そｔ）發ｍ先後行の両鋼板ｔダブルカットシャ一部に送
シ込んで切断することもできる。For example, connect one of the input sides with a zigzag,
t) It is also possible to feed and cut a portion of both the leading and trailing steel plates.

また、仮止めは溶接υ外の方法、ガえｄ、砿械的なパン
チ）結合、接着ＩＩｐ？によってもよい。In addition, temporary fixing can be done by methods other than welding, gulping, mechanical punching, bonding, or gluing IIp? It may also be done by

また、ちなみに１本発明方法と従来例とによって各種板
厚のｆＩ／Ｉ４＆ｆｒ剪断し、謝４抛（ｂ）に示す一関
ｔｔ−求めたところ１次の通シであった・Also, by the way, when fI/I4&fr of various plate thicknesses were sheared using the method of the present invention and the conventional example, and the first-order tt shown in Xie 4 (b) was determined, it was a first-order pass.

【図面の簡単な説明】[Brief explanation of the drawing]

纂１＠ｌ（（転）〜（ｄ）社先俵折角鋼板の端部【剪断
してから突合わせて溶接して結合する場合の各過程の鋭
＃ｉ図、第２図社つき合わせ不良の状態の一ガの説明図
、８３図は通常のダブルカットシャーの正面図、纂４図
（（転）ならびＫ　（ｂ）社通富のダブルカットシャー
で従来ガにより切断したときの銅板の質形總様の説明図
、１８５図（（転）〜（Ｃ）は本発明によるダブルカッ
トシャーの切断方法。 符　号ｌ・・・−入側クランプ ２・・・・−出側クランプ ３・−・・・・上刃　　　　　４・−・・・−下刃５・
・・・・・先行鋼４［６・・・・・・後行鋼板７・・・
・−ＴＩＱ）−テ　　８・・・・・・電極第１図 （α） （ｂ） 第１図 第２図纂1＠l((Rotation)～(d) End of steel plate folded by folded steel plate Figure 83 is a front view of a normal double-cut shear, Figure 4 (translated) and K (b) shows a copper plate when cut by a conventional shear with Shatsutomi's double-cut shear. An explanatory diagram of the shape cutting method, Figure 185 ((Rotation) to (C) shows the cutting method of the double cut shear according to the present invention. Code l... - Input side clamp 2 - Output side clamp 3. −・・Upper blade 4・−・・Lower blade 5・
... Leading steel plate 4 [6... Trailing steel plate 7...
・-TIQ)-TE 8... Electrode Figure 1 (α) (b) Figure 1 Figure 2

Claims (1)

【特許請求の範囲】 先行鋼板の尾端部と後行鋼板の先端部とｔ−Ｓ接して接
続するに先立って剪断する際に、ｔず。 先行鋼板の尾ｇｓ部と後行鋼板の先端部とｔ重金て せて仮止めして一体化Ｃ−合し、その後、この結合部前
後において先行鋼板の尾端部ならびに徐行鋼板の先端部
【剪断すゐことｔ特徴とするダブルカットシャー＠によ
る鋼板等の切断方法。[Claims] When shearing the tail end of the leading steel plate and the leading end of the trailing steel plate in t-S contact with each other prior to connection, the t-s. The tail gs part of the leading steel plate and the tip end of the trailing steel plate are joined together by temporarily fixing them with a heavy metal, and then, before and after this joint, the tail end of the leading steel plate and the tip part of the slowing steel plate [ A method for cutting steel plates, etc. using a double cut shear, which is characterized by shearing.