JPH0724596A - Patching jig for welding and automatic patching device - Google Patents

Patching jig for welding and automatic patching device

Info

Publication number
JPH0724596A
JPH0724596A JP17328393A JP17328393A JPH0724596A JP H0724596 A JPH0724596 A JP H0724596A JP 17328393 A JP17328393 A JP 17328393A JP 17328393 A JP17328393 A JP 17328393A JP H0724596 A JPH0724596 A JP H0724596A
Authority
JP
Japan
Prior art keywords
welding
jig
metal
inner metal
welded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP17328393A
Other languages
Japanese (ja)
Other versions
JP2914107B2 (en
Inventor
Tomoaki Abe
部 友 明 阿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP17328393A priority Critical patent/JP2914107B2/en
Publication of JPH0724596A publication Critical patent/JPH0724596A/en
Application granted granted Critical
Publication of JP2914107B2 publication Critical patent/JP2914107B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Butt Welding And Welding Of Specific Article (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)

Abstract

PURPOSE:To prevent the thermal deformation of a welded part with-out water- cooling a patching by pivotaly support an auxiliary patching closely contacting with the back surface of the welding position at the tip part of an inner patching. CONSTITUTION:The auxiliary patching 16b is rotated counterclockwise so as to centered on the shaft 24 while the tip part of the auxiliary patching 16b abuts on the inner surface of a panel P according as the body part 16a of the inner patching approaches to the panel P, and the abutting surface of the auxiliary patching 16b is brought into close contact with the back surface of the welding position. The inner patching 16 is pushed to the back surface of the welding position of a panel P by pushing-work of a pressurizing cylinder and the pannel P is clamped and the working of a welding robot is started. At this time, the thermal deformation is not developed in the pannel P, because the inner patching 16 providing the auxiliary patching 16b covers the back surface of the welding position to almost the whole surface and the welded heat is effectively absorbed.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、アークブレージングや
ソルダリングなどによって比較的薄板からなる被溶接物
を溶接するに際して、溶接箇所にあてがって溶接部分を
クランプすると共に、当該部分を冷却して被溶接物の変
形を防止するのに利用される溶接用当金治具および自動
当金装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention, when welding an object to be welded made of a relatively thin plate by arc brazing, soldering or the like, clamps the welded portion at the welded portion and cools the portion to be welded. TECHNICAL FIELD The present invention relates to a welding jig and an automatic dosing device that are used to prevent deformation of a welded product.

【０００２】[0002]

【従来の技術】自動車ボディの組立て工程において、例
えば、ルーフとピラー、あるいはルーフとリヤフェンダ
などの継目部分には、当該継目を隠し、平滑にして外観
を向上させるために、アークブレージングが施されてお
り、このアークブレージングには従来、図１３に示すよ
うな当金治具が用いられていた。2. Description of the Related Art In the process of assembling an automobile body, arc brazing is applied to, for example, a joint between a roof and a pillar or a roof and a rear fender in order to hide the joint and make it smooth and improve the appearance. Conventionally, a metal jig as shown in FIG. 13 has been used for this arc brazing.

【０００３】すなわち、図に示す当金治具１００は、基
板１０１上に固定されたアウタ当金１０２と、前記基板
１０１に回動可能に取付けられ、スイングシリンダ１０
３の作動によって軸１０１ａを中心に回動するスイング
プレート１０４と、該スイングプレート１０４に備えた
アクチュエータ１０５によって図中上下方向に作動する
インナ当金１０６を備えたものであって、前記インナ当
金１０６は内部に冷却水を通す通水路１０６ａを有し、
冷却水導入口１０６ｂおよび排水口１０６ｃには図示し
ない冷却水ホースがそれぞれ接続してある。That is, a metal jig 100 shown in the drawing is an outer metal member 102 fixed on a substrate 101, and is rotatably attached to the substrate 101, and a swing cylinder 10 is provided.
3 includes a swing plate 104 that rotates about the shaft 101a by the operation of No. 3, and an inner metal member 106 that vertically moves in the drawing by an actuator 105 provided on the swing plate 104, the inner metal member being the inner metal member. 106 has a water passage 106a for passing cooling water inside,
Cooling water hoses (not shown) are connected to the cooling water introduction port 106b and the drainage port 106c, respectively.

【０００４】上記構造の当金治具１００を使用して、例
えばリヤピラーパネルＰにアークブレージングを施すに
際しては、まず、スイングシリンダ１０３を押出し作動
させることによってスイングプレート１０４を開いた状
態で、パネルＰの外面の所定のブレージング箇所両側に
アウタ当金１０２に押し当て、前記スイングシリンダ１
０３の引込み作動によるスイングプレート１０４の回動
によって、インナ当金１０６をパネルＰの図中上方に開
口している作業孔から該パネルＰの内部に挿入する。When arc brazing is applied to the rear pillar panel P using the metal jig 100 having the above structure, first, the swing cylinder 104 is pushed out and operated to open the swing plate 104, and the panel P is opened. The outer cylinder 102 is pressed against the outer braid 102 on both sides of a predetermined brazing point, and the swing cylinder 1
When the swing plate 104 is rotated by the pulling operation of 03, the inner plate 106 is inserted into the inside of the panel P from a work hole opened upward in the drawing.

【０００５】そして、アクチュエータ１０５を押出し作
動させることにより当該インナ当金１０６をパネルＰの
内面のブレージング箇所裏面に押し当てたのち、この状
態でアークブレージングトーチＴによって、図中に矢印
で示す方向に沿ってパネルＰの外面の所定箇所にブレー
ジングを行うようにしていた。Then, the actuator 105 is pushed out to press the inner metal plate 106 against the back surface of the brazing portion on the inner surface of the panel P, and in this state, the arc brazing torch T is moved in the direction shown by the arrow in the figure. Along the outer surface of the panel P, brazing is performed along the predetermined positions.

【０００６】[0006]

【発明が解決しようとする課題】ところが、上記した従
来の当金治具１００においては、ブレージング長さに対
してパネルＰの作業孔が小さく、インナ当金１０６によ
るパネルＰのクランプ面積が作業孔の大きさによって制
約を受け、作業孔の開いている部分だけしかクランプす
ることができないため、パネルＰのインナ当金１０６に
よって押さえられていない部分の冷却が不十分となるこ
とから、この部分の熱変形が避けられないという問題点
がある。 また、前記インナ当金１０６には、先に述べ
たように当該インナ当金１０６を冷却するための冷却ホ
ースが接続されているので、これらの配管が複雑となっ
て、車種の変更に伴う当金治具のスピーディな切換えが
妨げられるという問題点があり、これら問題点の解消が
ブレージング作業の品質を向上させるための、あるいは
上記のような当金操作を完全自動化するための課題とな
っていた。However, in the above-mentioned conventional metal jig 100, the working hole of the panel P is small with respect to the brazing length, and the clamping area of the panel P by the inner metal 106 is the working hole. Is restricted by the size of the work piece, and only the portion having the working hole can be clamped, so that the portion of the panel P that is not pressed by the inner metal member 106 is insufficiently cooled. There is a problem that thermal deformation cannot be avoided. Further, since the inner hose 106 is connected with the cooling hose for cooling the inner hose 106 as described above, these pipes are complicated and the hose is changed when the vehicle type is changed. There is a problem that speedy switching of the gold jig is hindered, and solving these problems has become a problem to improve the quality of brazing work or to fully automate the metal operation as described above. It was

【０００７】[0007]

【発明の目的】本発明は、従来の当金治具における上記
課題に着目してなされたものであって、溶接箇所への当
接面積が大きくて熱吸収性に富み、当金を水冷すること
なく被溶接物の変形防止が可能な溶接用当金治具と、こ
のような当金治具を複数個具備し、被溶接物の変更に容
易に対応することができる溶接用自動当金装置を提供す
ることを目的としている。SUMMARY OF THE INVENTION The present invention has been made by paying attention to the above-mentioned problems in a conventional metal jig, which has a large contact area with a welding portion and is rich in heat absorption, and water-cools the metal alloy. Welding jig that can prevent deformation of the workpiece without welding, and automatic welding jig that has multiple such jigs and can easily respond to changes in the workpiece. The purpose is to provide a device.

【０００８】[0008]

【課題を解決するための手段】本発明に係わる溶接用当
金治具は、被溶接物の溶接箇所の近傍部両側に当接する
アウタ当金と、前記溶接箇所の裏面に当接するインナ当
金を備えた溶接用当金治具において、前記インナ当金
に、基端側が当該インナ当金の先端部に軸着されるとと
もに被溶接物の側に付勢され、インナ当金の被溶接物へ
の接近に伴って先端側が溶接箇所の裏面に当接しながら
回動し、当該インナ当金の溶接箇所裏面への当接状態に
おいて溶接箇所裏面に密着する補助当金を設けてなる構
成としたことを特徴としており、本発明に係わる溶接用
自動当金装置は、回転軸のまわりに配設され、当該回転
軸の回動によって被溶接物の種類に応じて選択される複
数の当金治具と、前記回転軸を回動させることにより前
記当金治具を選択的に切換える治具切換え手段と、前記
当金治具を前記被溶接物に対して位置決めする治具移動
手段を備えた溶接用自動当金装置であって、前記当金治
具は、前記被溶接物の溶接箇所の近傍部両側に当接する
アウタ当金と、溶接箇所の裏面に当接するインナ当金
と、前記インナ当金を溶接箇所裏面にセットするインナ
当金セット手段と、前記インナ当金とアウタ当金との間
をロックするロック手段と、前記インナ当金を溶接箇所
裏面に押圧する加圧手段を備えると共に、前記インナ当
金には、基端側が当該インナ当金の先端部に軸着される
とともに被溶接物の側に付勢され、前記インナ当金セッ
ト手段の作動に基づくインナ当金の被溶接物への接近に
伴って先端側が溶接箇所の裏面に当接しながら回動し、
当該インナ当金の溶接箇所裏面への当接状態において溶
接箇所裏面に密着する補助当金を設けてなる構成とした
ことを特徴としており、溶接用当金治具および自動当金
装置における上記構成を前述した従来の課題を解決する
ための手段としている。SUMMARY OF THE INVENTION A welding jig according to the present invention comprises an outer metal member which abuts on both sides of a welded portion in the vicinity of a welded portion, and an inner metal member which abuts on the rear surface of the welded portion. In a welding jig including: an inner metal member, a base end side of which is axially attached to a distal end portion of the inner metal member and is urged toward a workpiece to be welded. The tip end side rotates while contacting the back surface of the welding location as it approaches the welding location, and an auxiliary metal fitting is provided that adheres to the back surface of the welding location when the inner metal contacting the back surface of the welding location. The welding automatic dosing device according to the present invention is characterized in that it is arranged around a rotary shaft, and a plurality of metal dosing jigs are selected according to the kind of the workpiece by the rotation of the rotary shaft. Tool and selectively rotate the dowel jig by rotating the rotary shaft. What is claimed is: 1. An automatic welding apparatus for welding, comprising jig switching means for switching and jig moving means for positioning the jig in relation to the object to be welded, wherein the jig is the object to be welded. Outer metal abutting on both sides of the vicinity of the welding location, an inner metal abutting on the back surface of the welding location, an inner metal setting means for setting the inner metal on the back surface of the welding location, and the inner metal metal. A lock means for locking between the outer metal and the inner metal and a pressurizing means for pressing the inner metal to the rear surface of the welded portion are provided, and the inner metal has a base end on the tip of the inner metal. It is attached and urged toward the work piece to be welded, and the tip end side rotates while contacting the back surface of the welded portion as the inner metal piece approaches the work piece to be welded based on the operation of the inner piece setting means. ,
It is characterized in that it is configured such that an auxiliary metal plate that adheres to the rear surface of the welding portion in the state of contact with the rear surface of the welding metal portion is provided, and the above-mentioned configuration in the welding metal jig and the automatic metallizing device. Is a means for solving the above-mentioned conventional problems.

【０００９】[0009]

【発明の作用】本発明に係わる溶接用当金治具において
は、インナ当金の先端部に補助当金の基端側が軸着され
ており、該補助当金は被溶接物の側に付勢され、インナ
当金のセット前にはインナ当金の本体側から溶接箇所の
裏面に向けて突出した状態となっている。 当該補助当
金は、インナ当金をセットするに際して、その先端側が
インナ当金の本体部より先に被溶接物に当接するので、
本体部が被溶接物に接近するに従って基端側を中心にし
て回動し、本体部が溶接箇所裏面に当接すると、溶接箇
所の裏面形状に合わせて成形した当該補助当金の当接面
が溶接箇所の裏面に密着することになる。In the welding metal jig according to the present invention, the base metal of the auxiliary metal is axially attached to the tip of the inner metal, and the auxiliary metal is attached to the side of the object to be welded. Before being set, the inner cover is in a state of protruding from the main body side of the inner cover toward the back surface of the welded portion. Since the tip of the auxiliary metal abuts the object to be welded before the main body of the inner metal when setting the inner metal,
When the main body rotates around the base end side as it approaches the object to be welded, and the main body comes into contact with the back surface of the welding location, the contact surface of the auxiliary metal mold that is shaped to match the back surface shape of the welding location. Will adhere to the back surface of the welded part.

【００１０】したがって、図１３に示したパネルＰのよ
うに、溶接箇所裏面側の作業孔が小さくてインナ当金の
寸法が制約されるような場合であっても、インナ当金の
本体部と補助当金とがパネルＰの内部に入り込み、イン
ナ当金本体部と補助当金との両方で溶接箇所の裏面のほ
ぼ全体をカバーすることから、冷却水を流さなくても溶
接熱を速やかに吸収するので、被溶接物の熱変形が防止
されることになる。Therefore, even if the working hole on the rear surface side of the welded portion is small and the size of the inner metal member is restricted as in the panel P shown in FIG. The auxiliary metal and the auxiliary metal enter the inside of the panel P, and both the inner metal body and the auxiliary metal cover almost the entire back surface of the welded portion, so that the welding heat can be quickly supplied without flowing cooling water. Since it is absorbed, thermal deformation of the object to be welded is prevented.

【００１１】また、本発明に係わる溶接用自動当金装置
は、インナ当金およびアウタ当金を溶接箇所に固定する
セット手段，ロック手段および加圧手段を設けた上記構
造の当金治具を被溶接物の種類に応じて複数個備えると
共に、切換え手段や移動手段を備えており、切換え手段
によって前記複数の当金治具の中から選択した被溶接物
の種類に適した治具を移動手段が被溶接物に対して位置
決めし、インナ当金およびアウタ当金が前記セット手
段，ロック手段および加圧手段によって被溶接物の所定
の溶接箇所に固定されることになる。 このとき、前記
インナ当金は、前述のように本体部と補助当金とから構
成され、溶接箇所裏面のほぼ全面に当接することによっ
て被溶接物の熱変形を防止し、水冷する必要のないもの
であるから、当金治具の選択に際して冷却水ホースの配
管が当金治具の円滑な切換えを妨げることがなく、被溶
接物の変更に応じた当金治具の選択、治具の位置決めお
よび固定といった一連の動作が円滑かつ速やかなものと
なる。Further, the automatic welding dowel device according to the present invention is provided with a dowel jig having the above-mentioned structure, which is provided with a setting means for fixing the inner and outer dowels to a welding location, a locking means and a pressurizing means. It is equipped with a plurality of switches depending on the type of work to be welded, and is equipped with a switching means and a moving means. By means of the switching means, a jig suitable for the type of work to be welded selected from the plurality of jigs is moved. The means is positioned with respect to the object to be welded, and the inner and outer metal members are fixed to the predetermined welding points on the object to be welded by the setting means, the locking means and the pressing means. At this time, the inner metal member is composed of the main body and the auxiliary metal member as described above, and prevents thermal deformation of the object to be welded by contacting almost the entire rear surface of the welded part, and there is no need to water-cool it. Therefore, the piping of the cooling water hose does not hinder the smooth switching of the fitting jig when selecting the fitting jig, and the selection of the fitting jig according to the change of the work piece and the jig A series of operations such as positioning and fixing become smooth and quick.

【００１２】[0012]

【実施例】以下、本発明を図面に基づいて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings.

【００１３】図１ないし図１２は、本発明に係わる溶接
用自動当金装置の一実施例を説明するものであって、図
１ないし図３は当該自動当金装置の全体を示すそれぞれ
平面図，正面図および左側面図である。FIGS. 1 to 12 illustrate one embodiment of an automatic welding device according to the present invention, and FIGS. 1 to 3 are plan views showing the entire automatic device. , A front view and a left side view.

【００１４】すなわち、図１ないし図３に示す溶接用自
動当金装置１は、自動車の車体組立工程において、ルー
フとリヤフェンダとの継目にアークブレージングを施す
に際して、溶接ロボットと組合わせて使用される全自動
の当金装置であって、当該自動当金装置１は、車体組立
工場建屋内の床面に立設された門型をなす架台２の梁材
２ａの中央部に上下動自在に取付けられ、上下軸（Ｚ
軸）用ＡＣサーボモータ３ａの作動に基づいて上下動す
る昇降部材３と、該昇降部材３の下端部に前方向に摺動
自在に取付けられるとともに前記梁材２ａに固定された
補助シリンダ４に支持され、前後軸（Ｙ軸）用ＡＣサー
ボモータ５ａの作動によって前後方向に摺動する前後動
部材５と、該前後動部材５に固定されたアーム６の両端
に設けた回転軸（Ｓ軸）用ＡＣサーボモータ７ａ，７ａ
（治具切換え手段）の作動によって回動する回転軸７，
７と、当該回転軸７，７にダンパプレート８を介してそ
れぞれ取付けられた３基の当金治具９，１０，１１を備
えており、前記上下軸用サーボモータ３ａおよび前後軸
用サーボモータ５ａにより、前記当金治具９，１０，１
１を被溶接物である自動車の車体Ｂに位置決めする治具
移動手段が構成されている。That is, the automatic welding apparatus 1 shown in FIGS. 1 to 3 is used in combination with a welding robot when arc brazing is applied to a joint between a roof and a rear fender in a vehicle body assembly process. A fully automatic dosing device, the automatic dosing device 1 being attached to a beam member 2a of a gantry-shaped stand 2 erected on the floor of a car body assembly factory so as to be vertically movable. Vertical axis (Z
An elevating member 3 which moves up and down based on the operation of the AC servo motor 3a for shafts, and an auxiliary cylinder 4 which is slidably attached to the lower end of the elevating member 3 in the forward direction and fixed to the beam 2a. A front-rear moving member 5 that is supported and slides in the front-rear direction by the operation of the front-rear shaft (Y-axis) AC servomotor 5a, and a rotation shaft (S-axis) provided at both ends of an arm 6 fixed to the front-rear moving member 5. ) AC servo motors 7a, 7a
A rotary shaft 7 which is rotated by the operation of (jig switching means),
7 and three rotary jigs 9, 10 and 11 attached to the rotary shafts 7 and 7 via damper plates 8 respectively, and the vertical axis servo motor 3a and the front and rear axis servo motors are provided. 5a, the aforesaid jig 9, 10, 1
Jig moving means for positioning 1 on the vehicle body B of the automobile, which is the object to be welded, is configured.

【００１５】前記当金治具９ないし１１は、それぞれ異
なった寸法，形状を有し、図４に示すように回転軸７の
まわりに１２０°間隔の放射状に配設されており、前記
サーボモータ７ａにより前記回転軸７を回動させること
によって、３種の当金治具９，１０，１１の中から当該
自動当金装置１に搬入された車種に適した当金治具を選
択して切換えるようになっている。The abutment jigs 9 to 11 have different sizes and shapes, and are arranged radially around the rotary shaft 7 at intervals of 120 ° as shown in FIG. By rotating the rotary shaft 7 by 7a, a metal jig suitable for the vehicle type carried into the automatic metallurgical apparatus 1 is selected from among three metal jigs 9, 10, 11. It is designed to switch.

【００１６】これら当金治具９，１０，１１は、基本的
には同様の構造を有し、例えば当金治具９は、図５ない
し図７に示すように、回転軸７に取付けた前記ダンパプ
レート８にブラケット１２を介して取付けられており、
当該ブラケット１２に取付けられたベースプレート１３
の一方側、すなわち図５における下方側には、固定部材
１３ａ，１３ｂによって銅製のアウタ当金１４が取付け
られている。These abutment jigs 9, 10, 11 have basically the same structure. For example, the abutment jig 9 is attached to the rotary shaft 7 as shown in FIGS. It is attached to the damper plate 8 via a bracket 12,
Base plate 13 attached to the bracket 12
On one side, that is, the lower side in FIG. 5, an outer metal shell 14 made of copper is attached by fixing members 13a and 13b.

【００１７】前記ベースプレート１３の他方側（図５に
おける上方側）には、加圧シリンダ１５を介してインナ
当金１６を備えるとともにベースプレート１３に設けた
回動軸１３ｃに支持されて回動するスイングプレート１
７と、同じくベースプレート１３に軸着され前記スイン
グプレート１７をスイング作動させるスイングシリンダ
１８を備えており、これらによって前記インナ当金１６
を車体Ｂを形成するパネルＰの溶接箇所Ｗの裏面にセッ
トするためのインナ当金セット手段が構成されている。On the other side (upper side in FIG. 5) of the base plate 13, an inner metal member 16 is provided via a pressurizing cylinder 15 and is supported by a rotary shaft 13c provided on the base plate 13 for swinging. Plate 1
7 and a swing cylinder 18 which is also pivotally attached to the base plate 13 and swings the swing plate 17.
The inner-money setting means is configured to set the to the back surface of the welded portion W of the panel P forming the vehicle body B.

【００１８】スイングプレート１７の中央部には、前記
加圧シリンダ１５と当該加圧シリンダ１５のシリンダロ
ッド１５ａの先端に接続されるとともに、図５における
下面側に前記インナ当金１６を取付けた当金ホルダ１９
が設けてあり、これらにより前記インナ当金１６をパネ
ルＰの溶接箇所Ｗの裏面に押圧するための加圧手段が構
成されている。At the center of the swing plate 17, the pressurizing cylinder 15 and the tip of a cylinder rod 15a of the pressurizing cylinder 15 are connected, and the inner metal 16 is attached to the lower surface of FIG. Gold holder 19
Is provided, and these constitute a pressurizing means for pressing the inner metal member 16 against the back surface of the welded portion W of the panel P.

【００１９】さらに、前記スイングプレート１７の先端
側、すなわち図５における左端側には、図中上方に突出
するフックアーム２０が固定されており、当該フックア
ーム２０の基端部には、前記溶接箇所Ｗにそれぞれセッ
トされたアウタ当金１４とインナ当金１６とをパネルＰ
を挟持した状態にロックするロックアーム２１が軸着さ
れると共に、前記フックアーム２０の先端部には前記ロ
ックアーム２１を作動させるためのフックシリンダ２２
が軸着されており、これらによってロック手段が構成さ
れている。Further, a hook arm 20 protruding upward in the drawing is fixed to the tip end side of the swing plate 17, that is, the left end side in FIG. 5, and the welding is provided at the base end portion of the hook arm 20. The outer cover 14 and the inner cover 16 which are respectively set at the points W are mounted on the panel P.
A lock arm 21 that locks in a state in which the lock arm 21 is sandwiched is pivotally mounted, and a hook cylinder 22 for operating the lock arm 21 is provided at a tip end portion of the hook arm 20.
Are pivotally mounted, and these constitute a locking means.

【００２０】また、前記ブラケット１２にはタッチセン
サ２３が取付けてあり、車体Ｂとの当接状態を検知する
ことによって、当該当金治具９の位置決めを判定するよ
うになっている。A touch sensor 23 is attached to the bracket 12, and the positioning of the abutment jig 9 is determined by detecting the contact state with the vehicle body B.

【００２１】なお、前記アウタ当金１４は、図６に示す
ように、車体Ｂのルーフとリヤフェンダとの継目である
溶接箇所Ｗの両側にそれぞれ当接する２つの部材１４ａ
および１４ｂとからなるものであって、両部材１４ａお
よび１４ｂの間に形成される隙間から、図示しない溶接
ロボットに操作される溶接トーチＴによって、前記溶接
箇所Ｗに溶接（ブレージング）を施すようになってい
る。As shown in FIG. 6, the outer metal member 14 has two members 14a which come into contact with both sides of a welded portion W which is a joint between the roof of the vehicle body B and the rear fender.
And 14b, and a welding torch T operated by a welding robot (not shown) is used to perform welding (brazing) on the welding portion W from a gap formed between the members 14a and 14b. Has become.

【００２２】また、前記ダンパプレート８は、２枚のプ
レート間にゴム製ダンパ８ａを挟持したものであって、
当該ゴム製ダンパ８ａの弾性力によって車体Ｂとアウタ
当金１４およびインナ当金１６との間の密着製が向上す
るようにしてある。The damper plate 8 has a rubber damper 8a sandwiched between two plates,
The elastic force of the rubber damper 8a improves the close contact between the vehicle body B and the outer metal member 14 and the inner metal member 16.

【００２３】図８ないし図１０は、前記インナ当金１６
の形状および構造をより詳しく説明するものである。
すなわち、前記インナ当金１６は、アウタ当金１４と同
じく銅製のものであって、前記当金ホルダ１９に装着さ
れたインナ当金本体部１６ａと、図８中における前記本
体部１６ａの下端寄りの位置に設けた第１の軸２４にそ
の基端側を軸着され、該軸２４の図中上方に設けた第２
の軸２５に取付けられたねじりコイルばね２６によって
図中時計回り方向に付勢された補助当金１６ｂと、前記
本体部１６ａの下端左側に固定され、前記補助当金１６
ｂの回動範囲を制限するストッパ１６ｃとから構成され
ており、これらインナ当金本体部１６ａ，補助当金１６
ｂおよびストッパ１６ｃのパネルＰへの当接面は、当該
パネルＰの溶接箇所Ｗの裏面形状にあわせた形状に成形
してあり、図に示すパネルＰとの当接状態において、前
記溶接箇所裏面にぴったりと密着して溶接熱を有効に吸
収することができるようになっている。8 to 10 show the inner metal member 16
Will be described in more detail.
That is, the inner metal member 16 is made of copper similarly to the outer metal member 14, and includes an inner metal member body 16a mounted on the metal member holder 19 and a lower end portion of the body member 16a in FIG. At the base end side of the first shaft 24 provided at the position
Of the auxiliary metal member 16b, which is biased clockwise in the drawing by a torsion coil spring 26 attached to the shaft 25, and fixed to the lower left side of the main body 16a.
It is composed of a stopper 16c for limiting the rotation range of b, and these inner metal main body 16a and auxiliary metal 16
The contact surfaces of the b and the stopper 16c with respect to the panel P are formed in a shape that matches the shape of the back surface of the welded portion W of the panel P. In the contact state with the panel P shown in the drawing, the back surface of the welded portion is formed. It is designed to closely adhere to and effectively absorb welding heat.

【００２４】また、当該インナ当金１６がパネルＰから
離れた状態においては、前記補助当金１６ｂがねじりコ
イルばね２６の弾性力によって軸２４を中心に時計方向
に回動して、その当接面が前記ストッパ１６ｃに当接す
るので、当該補助当金１６ｂの先端側が図８の下方側に
突出した状態となる（図１１参照）。Further, when the inner metal member 16 is separated from the panel P, the auxiliary metal member 16b is rotated clockwise about the shaft 24 by the elastic force of the torsion coil spring 26 and abuts against it. Since the surface contacts the stopper 16c, the tip side of the auxiliary metal 16b is in a state of protruding downward in FIG. 8 (see FIG. 11).

【００２５】以下に、上記構成を有する溶接用自動当金
装置１を用いて、車体Ｂの所定の溶接箇所Ｗに当金を施
し、当該溶接箇所Ｗにアークブレージングを行う過程に
ついて説明する。A process of applying a metal to a predetermined welding point W of the vehicle body B and performing arc brazing on the welding point W using the automatic welding apparatus 1 for welding having the above structure will be described below.

【００２６】まず、自動当金装置１の待機状態におい
て、車体Ｂが当該ブレージング工程に搬入され、所定の
位置に到達すると、その車種が検知され、図示しない制
御装置が車種の検知結果に基づいて回転軸用サーボモー
タ７ａ，７ａを作動させ、回転軸７，７が適宜方向に１
２０°回動することにより、３種の当金治具９，１０，
１１の中から搬入された車種に適した当金治具、例えば
９が選択される。 このとき、前記当金治具９のインナ
当金１６は水冷用の冷却水ホースを接続していないの
で、配管が交錯することがなく、治具の切換えを円滑か
つ速やかに行うことができる。First, when the vehicle B is brought into the brazing process and reaches a predetermined position while the automatic depositing apparatus 1 is in a standby state, the vehicle type is detected, and a control device (not shown) detects the vehicle type based on the detection result of the vehicle type. The rotary shaft servomotors 7a, 7a are actuated to move the rotary shafts 7, 7 in the appropriate direction 1
By rotating by 20 °, three types of metal jigs 9, 10,
An appropriate jig, for example, 9 is selected from 11 which is suitable for the type of vehicle carried in. At this time, since the inner metal member 16 of the metal member jig 9 is not connected to the cooling water hose for water cooling, the pipes do not intersect with each other, and the jigs can be switched smoothly and quickly.

【００２７】次に、車体Ｂが所定の位置に停止し、車体
Ｂの位置決めがなされると、制御装置が車種ごとに記憶
している位置データの中から、搬入された車種に対応す
る高さ位置データおよび前後方向位置データを読み出
し、上下軸用サーボモータ３ａおよび前後軸用サーボモ
ータ５ａにそれぞれ駆動信号を送ることによって、昇降
部材３を所定の高さまで下降させたのち、前後動部材５
を所定の位置まで前進させる。Next, when the vehicle body B is stopped at a predetermined position and the vehicle body B is positioned, the height data corresponding to the loaded vehicle type is selected from the position data stored by the control device for each vehicle type. After the position data and the front-rear direction position data are read and drive signals are respectively sent to the vertical axis servo motor 3a and the front-rear axis servo motor 5a, the elevating member 3 is lowered to a predetermined height, and then the front-rear moving member 5 is moved.
To advance to the specified position.

【００２８】そして、前記回転軸用サーボモータ７ａ，
７ａを再度作動させることにより、回動軸７，７をわず
かに回動させ、アウタ当金１４を車体Ｂの所定の溶接箇
所Ｗに押し当てる。 このとき、当金治具９に設置した
前記タッチセンサ２３からの信号が参照されると共に、
前記ダンパプレート８に設けたゴム製ダンパ８ａが弾性
変形するので、アウタ当金１４を溶接箇所Ｗに密着させ
ることができる。The rotary shaft servo motor 7a,
By reactivating 7a, the rotating shafts 7, 7 are slightly rotated, and the outer metal member 14 is pressed against a predetermined welding point W of the vehicle body B. At this time, while referring to the signal from the touch sensor 23 installed on the dowel jig 9,
Since the rubber damper 8a provided on the damper plate 8 is elastically deformed, the outer metal member 14 can be brought into close contact with the welding location W.

【００２９】次に、当金治具９のスイングシリンダ１８
の押出し作動によってスイングプレート１７が回動し、
当該スイングプレート１７に取付けられたインナ当金１
６が車体Ｂを形成するパネルＰの内側にセットされる。
このとき、前記インナ当金１６の補助当金１６ｂは、
ねじりコイルばね２６によって付勢されているので、パ
ネルＰへの当接前には、図１１に示すようにインナ当金
本体部１６ａの当接面よりパネルＰの側に突出した状態
となっている。Next, the swing cylinder 18 of the dowel jig 9
The swing plate 17 is rotated by the pushing operation of
Inner award 1 attached to the swing plate 17
6 is set inside the panel P forming the vehicle body B.
At this time, the auxiliary money 16b of the inner money 16 is
Since it is biased by the torsion coil spring 26, it is in a state of protruding toward the panel P from the contact surface of the inner metal main body 16a before contacting the panel P, as shown in FIG. There is.

【００３０】したがって、前記補助当金１６ｂは、パネ
ルＰの裏面側に形成された作業孔が小さい場合であって
も、前記スイングシリンダ１８の押出し作動によって、
前記本体部１６ａおよびストッパ１６ｃと共に容易にパ
ネルＰの内部に入り込むことができる。 そして、補助
当金１６ｂは、インナ当金１６の本体部１６ａがパネル
Ｐに接近するにしたがって、当該補助当金１６ｂの先端
部がパネルＰの内面に当接しながら軸２４を中心に反時
計方向に回動し、前記本体部１６ａおよびストッパ１６
ｃがパネルＰの溶接箇所裏面に当接したときには、図１
１中に仮想線で示すように、あるいは図８に示すよう
に、補助当金１６ｂの当接面が溶接箇所裏面に密着する
ことになり、その結果、インナ当金１６の本体部１６
ａ、補助当金１６ｂおよびストッパ１６ｃによって溶接
箇所Ｗの裏面をほぼ全面的にカバーするので、この部分
を効率的に冷却することが可能になる。Therefore, even if the working hole formed on the back surface side of the panel P is small, the auxiliary metal 16b can be pushed by the pushing operation of the swing cylinder 18.
It can easily enter the inside of the panel P together with the main body portion 16a and the stopper 16c. Then, as the main body portion 16a of the inner metal member 16 approaches the panel P, the auxiliary metal member 16b is counterclockwise about the shaft 24 while the tip of the auxiliary metal member 16b is in contact with the inner surface of the panel P. To the main body 16a and the stopper 16
When c comes into contact with the back surface of the welded portion of the panel P, as shown in FIG.
As indicated by a phantom line in FIG. 1 or as shown in FIG. 8, the contact surface of the auxiliary metal member 16b comes into close contact with the back surface of the welded portion, and as a result, the main body portion 16 of the inner metal member 16 is contacted.
Since the back surface of the welded portion W is covered almost entirely by a, the auxiliary metal 16b and the stopper 16c, this portion can be efficiently cooled.

【００３１】インナ当金１６のセットが終了すると、フ
ックシリンダ２２の押出し作動によって、ロックアーム
２１が図１２中に実線で示す位置から仮想線で示す位置
に回動し、これによって前記インナ当金１６とアウタ当
金１４とのあいだがロックされる。When the setting of the inner metal member 16 is completed, the lock arm 21 is rotated from the position shown by the solid line in FIG. 12 to the position shown by the phantom line by the pushing operation of the hook cylinder 22, whereby the inner metal member 16 is moved. It is locked between 16 and the outer money 14.

【００３２】次いで、加圧シリンダ１５の押出し作動に
よってインナ当金１６がパネルＰの溶接箇所裏面に押し
付けられてパネルＰがクランプされる。Then, the inner cylinder 16 is pressed against the back surface of the welded portion of the panel P by the pushing operation of the pressure cylinder 15, and the panel P is clamped.

【００３３】以上によって溶接箇所Ｗへの当金治具９の
装着が完了するので、図示しない溶接ロボットが作動を
開始し、前記アウタ当金１４の当金部材１４ａおよび１
４ｂの間から、溶接箇所Ｗに溶接（アークブレージン
グ）が施される。 このとき、前述のように、補助当金
１６ｂを備えたインナ当金１６が溶接箇所Ｗの裏面をほ
ぼ全面的にカバーして溶接熱を効率的に吸収するので、
パネルＰに熱変形が生じることはない。As described above, the attachment of the dowel jig 9 to the welding spot W is completed, so that a welding robot (not shown) starts to operate and the dowel members 14a and 1 of the outer dowel 14 are operated.
Welding (arc brazing) is performed on the welding spot W from between 4b. At this time, as described above, since the inner metal member 16 provided with the auxiliary metal member 16b almost entirely covers the back surface of the welding location W and absorbs the welding heat,
The panel P is not thermally deformed.

【００３４】溶接終了後には、前記とは逆の順序、すな
わち、加圧シリンダ１５，フックシリンダ２２，スイン
グシリンダ１８の順序で各シリンダが引込み作動し、こ
れによって当金治具９のクランプ状態が解除され、当該
当金治具９が車体Ｂから取り外されると、溶接を終了し
た車体Ｂが次工程に搬出されると共に、当該自動当金装
置１は所定の待機状態に戻り、次に搬入される車体の溶
接に備える。After the welding is completed, the cylinders are retracted in the order reverse to the above, that is, the pressurizing cylinder 15, the hook cylinder 22 and the swing cylinder 18, so that the clamped state of the dowel jig 9 is maintained. When it is released and the aforesaid jig 9 is detached from the car body B, the car body B for which welding has been completed is carried out to the next step, and the automatic aforesaid device 1 returns to a predetermined standby state and is then carried in. Prepare for welding the car body.

【００３５】[0035]

【発明の効果】以上説明したように、本発明に係わる溶
接用当金治具は、上記構成、すなわち被溶接物側に付勢
され、セット状態において溶接箇所裏面に密着する補助
当金をインナ当金の先端部に軸着した構成としたもので
あるから、溶接箇所の裏面側のスペースの関係でインナ
当金の寸法が制約されるような場合であっても溶接箇所
の裏面をほぼ全面的に冷却することができ、当金を水冷
することなく溶接部の熱変形を防止することができると
いう優れた効果がもたらされる。As described above, the welding jig according to the present invention has the above-described structure, that is, the auxiliary jig that is biased toward the object to be welded and adheres to the rear surface of the welded portion in the set state. Since the structure is such that the tip of the metal fitting is pivotally attached, even if the size of the inner metal fitting is restricted due to the space on the back surface side of the welding location, the back surface of the welding location is almost entirely covered. It is possible to effectively cool the metal, and it is possible to prevent thermal deformation of the welded portion without water cooling the metal shell.

【００３６】また、本発明に係わる溶接用自動当金装置
は、上記構成の当金治具を被溶接物の種類に応じて複数
個備えると共に、前記複数の当金治具を被溶接物の変更
に応じて選択する治具切換え手段や、治具移動手段，セ
ット手段など、当該当金治具を被溶接物に装着するため
の自動機構を備えたものであり、しかも前記当金治具は
当金を水冷するための冷却ホースを必要としないもので
あるから、被溶接物の変更に伴う当金治具の選択や位置
決め、固定などの一連の自動操作を円滑かつ速やかに行
うことができるという優れた効果をもたらすものであ
る。Further, the welding automatic dosing device according to the present invention is provided with a plurality of the dowel jigs having the above construction according to the kind of the object to be welded, and the plurality of dowel jigs are provided to the object to be welded. It is equipped with an automatic mechanism such as a jig switching means to be selected according to the change, a jig moving means, a setting means, etc. for mounting the aforesaid jig on an object to be welded. Does not require a cooling hose to water-cool the dowel, so it is possible to smoothly and promptly perform a series of automatic operations such as selecting, positioning, and fixing the dowel jig when changing the workpiece. It has an excellent effect that it can be done.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の一実施例に係わる溶接用自動当金装置
を示す平面図である。FIG. 1 is a plan view showing an automatic welding device for welding according to an embodiment of the present invention.

【図２】図１に示した溶接用自動当金装置の正面図であ
る。FIG. 2 is a front view of the automatic welding dosing device shown in FIG.

【図３】図１に示した溶接用自動当金装置の左側面図で
ある。3 is a left side view of the automatic welding dosing device shown in FIG. 1. FIG.

【図４】図１に示した溶接用自動当金装置における当金
治具の配置を示す拡大図である。FIG. 4 is an enlarged view showing an arrangement of a metal jig in the automatic welding metal device shown in FIG.

【図５】図１に示した溶接用自動当金装置における当金
治具の構造を示す平面図である。5 is a plan view showing the structure of a metal jig in the automatic welding metal device shown in FIG. 1. FIG.

【図６】図５に示した当金治具の正面図である。FIG. 6 is a front view of the metal jig shown in FIG.

【図７】図５に示した当金治具の側面図である。FIG. 7 is a side view of the metal jig shown in FIG.

【図８】図５ないし図７に示した当金治具のインナ当金
の形状および構造を示す平面図である。FIG. 8 is a plan view showing the shape and structure of the inner metal member of the metal member jig shown in FIGS. 5 to 7;

【図９】図８に示したインナ当金の正面図である。9 is a front view of the inner cover shown in FIG. 8. FIG.

【図１０】図８に示したインナ当金の側面図である。10 is a side view of the inner cover shown in FIG. 8. FIG.

【図１１】図８ないし図１０に示したインナ当金のセッ
ト時における補助当金の動きを示す説明図である。FIG. 11 is an explanatory view showing the movement of the auxiliary money when the inner money shown in FIGS. 8 to 10 is set.

【図１２】図５ないし図７に示したロックアームによる
インナ当金とアウタ当金とのロック状況を示す説明図で
ある。FIG. 12 is an explanatory diagram showing a locked state of the inner cover and the outer cover by the lock arm shown in FIGS. 5 to 7;

【図１３】従来の当金治具の構造および当該当金治具に
よるパネルのクランプ状況を示す説明図である。FIG. 13 is an explanatory diagram showing a structure of a conventional jig and a clamp state of a panel by the jig.

【符号の説明】[Explanation of symbols]

１ 溶接用自動当金装置 ３ａ 上下軸用サーボモータ（治具移動手段） ５ａ 前後軸用サーボモータ（治具移動手段） ７ 回転軸 ７ａ 回転軸用サーボタモータ（治具切換手段） ９，１０，１１ 当金治具 １４ アウタ当金 １５ 加圧シリンダ（加圧手段） １６ インナ当金 １６ｂ 補助当金 １７ スイングプレート（インナ当金セット手段） １８ スイングシリンダ（インナ当金セット手段） ２１ ロックアーム（ロック手段） ２２ フックシリンダ（ロック手段） Ｂ 車体（被溶接物） Ｗ 溶接箇所 1 Automatic Welding Device for Welding 3a Servo Motor for Vertical Axis (Jig Moving Means) 5a Servo Motor for Front-Back Axis (Jig Moving Means) 7 Rotating Axis 7a Servo Motor for Rotating Axis (Jig Switching Means) 9, 10, 11 Dowel jig 14 Outer dowel 15 Pressurizing cylinder (pressurizing device) 16 Inner dowel 16b Auxiliary dowel 17 Swing plate (Inner dowel setting device) 18 Swing cylinder (Inner dowel setting device) 21 Lock arm (Lock) Means) 22 hook cylinder (locking means) B vehicle body (workpiece to be welded) W welding location

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 被溶接物の溶接箇所の近傍部両側に当接
するアウタ当金と、前記溶接箇所の裏面に当接するイン
ナ当金を備えた溶接用当金治具において、 前記インナ当金に、基端側が当該インナ当金の先端部に
軸着されるとともに被溶接物の側に付勢され、インナ当
金の被溶接物への接近に伴って先端側が溶接箇所の裏面
に当接しながら回動し、当該インナ当金の溶接箇所裏面
への当接状態において溶接箇所裏面に密着する補助当金
を設けてなることを特徴とする溶接用当金治具。1. A welding jig comprising an outer metal member that abuts on both sides of a portion to be welded in the vicinity of a welded portion, and an inner metal member that abuts on the back surface of the welded portion. , The base end side is axially attached to the tip end portion of the inner metal and is biased toward the work piece side, and the tip end side contacts the back surface of the welding part as the inner metal piece approaches the work piece to be welded. A welding metal jig, which is provided with an auxiliary metal metal that rotates and is brought into close contact with the rear surface of the welding portion when the inner metal metal is in contact with the rear surface of the welding portion. 【請求項２】 回転軸のまわりに配設され、当該回転軸
の回動によって被溶接物の種類に応じて選択される複数
の当金治具と、 前記回転軸を回動させることにより前記当金治具を選択
的に切換える治具切換え手段と、 前記当金治具を前記被溶接物に対して位置決めする治具
移動手段を備えた溶接用自動当金装置であって、 前記当金治具は、前記被溶接物の溶接箇所の近傍部両側
に当接するアウタ当金と、溶接箇所の裏面に当接するイ
ンナ当金と、前記インナ当金を溶接箇所裏面にセットす
るインナ当金セット手段と、前記インナ当金とアウタ当
金との間をロックするロック手段と、前記インナ当金を
溶接箇所裏面に押圧する加圧手段を備えると共に、 前記インナ当金には、基端側が当該インナ当金の先端部
に軸着されるとともに被溶接物の側に付勢され、前記イ
ンナ当金セット手段の作動に基づくインナ当金の被溶接
物への接近に伴って先端側が溶接箇所の裏面に当接しな
がら回動し、当該インナ当金の溶接箇所裏面への当接状
態において溶接箇所裏面に密着する補助当金を設けてな
ることを特徴とする溶接用自動当金装置。2. A plurality of metal jigs which are arranged around a rotary shaft and which are selected according to the kind of the workpiece by the rotation of the rotary shaft, and by rotating the rotary shaft, An automatic welding dowel device comprising jig switching means for selectively switching the dowel jig and jig moving means for positioning the dowel jig with respect to the workpiece. The jig is an outer metal fitting that abuts both sides of the welded object near the welding location, an inner metal fitting that abuts the back surface of the welding material, and an inner metal fitting set that sets the inner metal fitting on the back surface of the welding material. Means, a locking means for locking between the inner and outer metal parts, and a pressurizing means for pressing the inner metal material to the back surface of the welded portion, and the inner metal material has a base end side. It is axially attached to the tip of the inner metal When the inner metal piece is approached to the object to be welded based on the operation of the inner metal piece setting means, the tip side of the inner metal piece rotates while contacting the rear surface of the welded portion, and the rear surface of the welded portion of the inner metal piece is rotated. An automatic dosing device for welding, characterized in that it is provided with an auxiliary dosing that adheres closely to the back surface of the welded part in the state of abutting against.
JP17328393A 1993-07-13 1993-07-13 Welding metal jig and automatic metallizing equipment Expired - Lifetime JP2914107B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17328393A JP2914107B2 (en) 1993-07-13 1993-07-13 Welding metal jig and automatic metallizing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17328393A JP2914107B2 (en) 1993-07-13 1993-07-13 Welding metal jig and automatic metallizing equipment

Publications (2)

Publication Number Publication Date
JPH0724596A true JPH0724596A (en) 1995-01-27
JP2914107B2 JP2914107B2 (en) 1999-06-28

Family

ID=15957583

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17328393A Expired - Lifetime JP2914107B2 (en) 1993-07-13 1993-07-13 Welding metal jig and automatic metallizing equipment

Country Status (1)

Country Link
JP (1) JP2914107B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104175011A (en) * 2014-08-19 2014-12-03 佛山市利迅达机器人***有限公司 Automatic welding line of truck supporters

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102357760B (en) * 2011-09-30 2014-11-26 重庆市华青汽车配件有限公司 Fixture for sedan central pillar inner skin roof rail welding assembly
KR101769270B1 (en) 2017-05-24 2017-08-18 강부원 Apparatus for welding robot

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104175011A (en) * 2014-08-19 2014-12-03 佛山市利迅达机器人***有限公司 Automatic welding line of truck supporters
CN104175011B (en) * 2014-08-19 2016-05-18 广东利迅达机器人***股份有限公司 A kind of lorry support automatic welding production line

Also Published As

Publication number Publication date
JP2914107B2 (en) 1999-06-28

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