JP2002018521A - Method and apparatus for shaping conductive structure - Google Patents
Method and apparatus for shaping conductive structureInfo
- Publication number
- JP2002018521A JP2002018521A JP2000201546A JP2000201546A JP2002018521A JP 2002018521 A JP2002018521 A JP 2002018521A JP 2000201546 A JP2000201546 A JP 2000201546A JP 2000201546 A JP2000201546 A JP 2000201546A JP 2002018521 A JP2002018521 A JP 2002018521A
- Authority
- JP
- Japan
- Prior art keywords
- conductive structure
- heating
- shaping
- cooling
- magnetic field
- 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
Links
Landscapes
- Straightening Metal Sheet-Like Bodies (AREA)
- General Induction Heating (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、導電性構造物を局
所的に急速加熱かつ急速冷却して整形する導電性構造物
整形装置及び方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus and a method for shaping a conductive structure by locally heating and rapidly cooling the conductive structure.
【０００２】[0002]
【従来の技術】艦艇及び商船等の船舶の建造において
は、鋼板等の金属材料を溶接接合することにより各種の
構造物（導電性構造物）を構成する。このような導電性
構造物は、溶接による変形を必然的に伴うものであり、
必要に応じてこの変形を是正するために整形が施され
る。この種の整形では、従来、作業員の手作業による局
部加熱方式が採用されていた。すなわち、この局部加熱
方式は導電性構造物の局部加熱による熱収縮を利用した
ものであり、作業員がガスバーナによって導電性構造物
の整形しようとする部分を局部的に急速加熱し、この加
熱部分に水及びエアー等を吹き付けて急速冷却すること
により加熱部分を局所的に熱収縮させるものである。必
要に応じて導電性構造物の複数部分を急速加熱／急速冷
却することにより、導電性構造物が全体的に整形され
る。2. Description of the Related Art In the construction of ships such as ships and commercial ships, various structures (conductive structures) are formed by welding and joining metal materials such as steel plates. Such a conductive structure inevitably involves deformation due to welding,
Shaping is performed as necessary to correct this deformation. In this type of shaping, a local heating method manually performed by an operator has conventionally been adopted. In other words, this local heating method utilizes heat shrinkage due to local heating of the conductive structure, and a worker rapidly heats a portion where the conductive structure is to be shaped by a gas burner, and heats the portion. The heated portion is locally thermally shrunk by spraying water, air or the like onto the surface and rapidly cooling the heated portion. Rapid heating / cooling of portions of the conductive structure as needed results in an overall shaping of the conductive structure.
【０００３】[0003]
【発明が解決しようとする課題】ところで、上記局部加
熱方式は、導電性構造物の局部的な熱収縮を利用したも
のであり、この熱収縮量は加熱量や冷却タイミング等に
依存する。作業者は、熟練による勘を手掛かりに、目視
によって加熱部分の加熱状態つまり加熱温度や加熱深さ
等を判断してガスバーナによる加熱を行い、また適切な
タイミングで水を吹き付けて加熱部分を冷却する。この
ような整形作業に熟練するためには、多くの経験と時間
を要する。The above-mentioned local heating method utilizes local heat shrinkage of a conductive structure, and the amount of heat shrinkage depends on the amount of heat, cooling timing, and the like. The operator performs the heating by the gas burner by visually judging the heating state of the heated portion, that is, the heating temperature, the heating depth, etc., with the intuition of skill, and also cools the heated portion by spraying water at an appropriate timing. . A great deal of experience and time is required to become skilled in such shaping operations.
【０００４】また、上記局部加熱方式では、ガスバーナ
つまりガスの燃焼熱を利用して導電性構造物の加熱を行
うものであり、作業環境が悪いという問題がある。さら
に、作業者は、ガス燃焼による輻射熱や騒音または粉塵
や多湿等の環境下での作業を強いられるため、作業能率
も低下する。Further, in the above-mentioned local heating method, a conductive structure is heated by using a gas burner, that is, heat of combustion of gas, and there is a problem that a working environment is bad. Further, since the operator is forced to work in an environment such as radiant heat or noise due to gas combustion, dust, or high humidity, the work efficiency is reduced.
【０００５】本発明は、上述する問題点に鑑みてなされ
たもので、以下の点を目的とするものである。 （１）作業員の熟練に頼ることなく導電性構造物を整形
する。 （２）導電性構造物の整形に関する作業環境を改善す
る。 （３）導電性構造物の整形に関する作業効率を向上させ
る。The present invention has been made in view of the above-mentioned problems, and has the following objects. (1) The conductive structure is shaped without relying on the skill of the worker. (2) Improve the working environment for shaping the conductive structure. (3) Improve the work efficiency related to shaping the conductive structure.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に、本発明では、導電性構造物整形装置に係わる第１の
手段として、導電性構造物を局所的に急速加熱かつ急速
冷却して整形する装置において、導電性構造物に近接配
置された高周波磁場発生手段の高周波磁場によって導電
性構造物を局所的に急速加熱するという手段を採用す
る。In order to achieve the above object, according to the present invention, as a first means relating to a conductive structure shaping apparatus, a conductive structure is locally heated and cooled rapidly. The shaping apparatus employs a means for locally rapidly heating the conductive structure by the high-frequency magnetic field of the high-frequency magnetic field generating means disposed close to the conductive structure.
【０００７】導電性構造物整形装置に係わる第２の手段
として、上記第１の手段において、高周波磁場発生手段
に導電性構造物に対する距離を一定に保持する距離保持
手段を備えるという手段を採用する。As the second means relating to the conductive structure shaping apparatus, the above-mentioned first means adopts a means in which the high-frequency magnetic field generating means is provided with a distance holding means for holding the distance to the conductive structure constant. .
【０００８】導電性構造物整形装置に係わる第３の手段
として、上記第１または第２の手段において、高周波磁
場の発生時間を制御する加熱制御手段を備えるという手
段を採用する。As the third means relating to the conductive structure shaping apparatus, the above-mentioned first or second means is provided with a heating control means for controlling the generation time of the high frequency magnetic field.
【０００９】導電性構造物整形装置に係わる第４の手段
として、上記第１〜第３いずれかの手段において、急速
冷却するために導電性構造物に加熱部冷却水を自動的に
吹き付ける冷却水吹付手段を備えるという手段を採用す
る。As a fourth means relating to the conductive structure shaping apparatus, in any one of the above first to third means, cooling water for automatically blowing heating section cooling water to the conductive structure for rapid cooling. Means of providing a spraying means is adopted.
【００１０】導電性構造物整形装置に係わる第５の手段
として、上記第４の手段において、加熱部冷却水の導電
性構造物への吹き付けタイミングを制御する冷却制御手
段を備えるという手段を採用する。As a fifth means relating to the conductive structure shaping apparatus, the above-mentioned fourth means adopts a means comprising cooling control means for controlling the timing of spraying the cooling water of the heating section onto the conductive structure. .
【００１１】一方、本発明では、導電性構造物整形方法
に係わる手段として、導電性構造物を局所的に急速加熱
かつ急速冷却して整形する方法において、高周波磁場に
よって導電性構造物を局所的に急速加熱するという手段
を採用する。On the other hand, in the present invention, as a means related to a method for shaping a conductive structure, a method for locally shaping the conductive structure by rapidly heating and cooling the same, wherein the conductive structure is locally shaped by a high-frequency magnetic field. Means of rapid heating.
【００１２】[0012]
【発明の実施の形態】以下、本発明に係わる導電性構造
物整形装置及び方法の一実施形態について、図面を参照
して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of an apparatus and a method for shaping a conductive structure according to the present invention will be described with reference to the drawings.
【００１３】図１は、本実施形態における導電性構造物
整形装置のブロック図である。この図において、参照符
号Ｘは導電性構造物、１は加熱部、２はバランサー、３
は移動式高周波電源装置、４は冷却水循環装置、５は給
電給水ケーブル、また６は給水ケーブルである。FIG. 1 is a block diagram of a conductive structure shaping apparatus according to this embodiment. In this figure, reference numeral X is a conductive structure, 1 is a heating unit, 2 is a balancer, 3
Is a mobile high-frequency power supply, 4 is a cooling water circulation device, 5 is a feed water cable, and 6 is a water supply cable.
【００１４】導電性構造物Ｘは、例えば鋼板（金属材
料）を溶接によって繋ぎ合わせて面状とした溶接構造物
である。加熱部１は、この導電性構造物Ｘに近接配置さ
れ、高周波磁場によって導電性構造物Ｘを局所的に急速
加熱するものである。The conductive structure X is, for example, a welded structure in which a steel plate (metal material) is joined by welding to form a plane. The heating unit 1 is disposed close to the conductive structure X, and serves to rapidly heat the conductive structure X locally by a high-frequency magnetic field.
【００１５】図２は、この加熱部１の詳細構成を示す図
である。この図に示すように、加熱部１の先端平面Ｓに
は、加熱コイル１ａ（高周波磁場発生手段）と、該加熱
コイル１ａを取り囲むように互いに等間隔で配置された
３本のコイルガイド１ｂ（姿勢保持手段）と、該コイル
ガイド１ｂの１つと加熱コイル１ａとの間に配置された
冷却水ノズル１ｃ（冷却水吹付手段）とが設けられてい
る。FIG. 2 is a diagram showing a detailed configuration of the heating unit 1. As shown in FIG. As shown in this figure, a heating coil 1a (high-frequency magnetic field generating means) and three coil guides 1b ( Posture holding means) and a cooling water nozzle 1c (cooling water spraying means) arranged between one of the coil guides 1b and the heating coil 1a.
【００１６】上記加熱コイル１ａは、高周波電流の通電
に基づいて高周波磁界を発生するものであり、図示する
ように中心軸Ｌが加熱部１の先端平面Ｓに垂直となる姿
勢で当該先端平面Ｓに取り付けられている。コイルガイ
ド１ｂは、所定長さの棒状部材であり、加熱コイル１ａ
を取り囲むように先端平面Ｓ上に立設されている。これ
らコイルガイド１ｂは、加熱部１の使用状態において各
々の先端部が導電性構造物Ｘに当接され、導電性構造物
Ｘの表面と加熱コイル１ａとの距離を含む加熱コイル１
ａの導電性構造物Ｘに対する姿勢を一定に保持するため
のものである。冷却水ノズル１ｃは、導電性構造物Ｘの
急速冷却するために加熱部冷却水を導電性構造物Ｘに吹
き付けるものである。The heating coil 1a generates a high-frequency magnetic field based on the passage of a high-frequency current, and has a center axis L perpendicular to the tip plane S of the heating section 1 as shown in FIG. Attached to. The coil guide 1b is a rod-shaped member having a predetermined length, and the heating coil 1a
Is erected on the front end plane S so as to surround the front end. In the use state of the heating unit 1, each of the coil guides 1b abuts on the conductive structure X at its tip, and includes a heating coil 1a including a distance between the surface of the conductive structure X and the heating coil 1a.
This is for keeping the posture of the conductive structure a with respect to the conductive structure X constant. The cooling water nozzle 1c sprays cooling water from the heating unit onto the conductive structure X in order to rapidly cool the conductive structure X.
【００１７】一方、加熱部１の上部には棒状の取手１ｅ
が設けられ、この取手１ｅの先端部には吊り具１ｆが備
えられている。取手１ｅは、加熱部１を移動させるため
に作業者によって把持される部分である。吊り具１ｆ
は、上記バランサー２に当該加熱部１を移動自在に係止
するためのものである。吊り具１ｆとバランサー２との
間に張設されたロープ（図１参照）によって、加熱部１
は天井から吊り下げ状態とされる。また、取手１ｅの一
部には、本導電性構造物整形装置の作動をｏｎ／ｏｆｆ
する運転スイッチ１ｄが備えられている。On the other hand, a bar-shaped handle 1e is provided above the heating unit 1.
And a handle 1f is provided at the tip of the handle 1e. The handle 1e is a portion that is gripped by an operator to move the heating unit 1. Hanging tool 1f
Is for movably locking the heating unit 1 to the balancer 2. The heating unit 1 is connected to a rope (see FIG. 1) stretched between the suspending tool 1f and the balancer 2.
Is suspended from the ceiling. In addition, the operation of the conductive structure shaping device is turned on / off in a part of the handle 1e.
The operation switch 1d is provided.
【００１８】さらに、加熱部１内には整合回路１ｇが設
けられている。この整合回路１ｇは、給電給水ケーブル
５と加熱コイル１ａとの間に介挿されるものであり、給
電給水ケーブル５を介して移動式高周波電源装置３から
加熱部１に供給される高周波電力を効率良く加熱コイル
１ａに供給するためのものである。加熱部１の後部には
上記給電給水ケーブル５が接続されている。Further, a matching circuit 1g is provided in the heating unit 1. The matching circuit 1g is inserted between the power supply water cable 5 and the heating coil 1a, and efficiently converts the high frequency power supplied from the mobile high frequency power supply 3 to the heating unit 1 via the power supply water cable 5. This is for supplying the heating coil 1a well. The power supply water supply cable 5 is connected to a rear portion of the heating unit 1.
【００１９】バランサー２は、一種の巻き上げ機構であ
り、上記吊り具１ｆとの間に張設されたロープを巻き上
げることにより加熱部１を把持する作業者の長期間作業
における負担を軽減するためのものである。The balancer 2 is a kind of hoisting mechanism, which is used to reduce the burden on the operator holding the heating unit 1 during long-term work by winding up a rope stretched between the suspender 1f. Things.
【００２０】移動式高周波電源装置３は、外部から供給
された商用電力を所定周波数の高周波電力に変換して加
熱部１に供給すると共に、加熱部冷却水の加熱部１への
供給を制御するものである。この移動式高周波電源装置
３内には、加熱タイマ３ａと冷却タイマ３ｂとが備えら
れている。加熱タイマ３ａは、上記運転スイッチ１ｄの
操作による加熱開始から予め設定された所定時間を計時
するものであり、冷却タイマ３ｂは、この加熱タイマ３
ａの計時に基づく冷却開始から予め設定された所定時間
を計時するものである。The mobile high-frequency power supply 3 converts commercial power supplied from the outside into high-frequency power of a predetermined frequency and supplies the high-frequency power to the heating unit 1, and controls the supply of cooling water for the heating unit to the heating unit 1. Things. The mobile high-frequency power supply 3 includes a heating timer 3a and a cooling timer 3b. The heating timer 3a counts a preset time from the start of heating by operating the operation switch 1d, and the cooling timer 3b
A predetermined time set in advance from the start of cooling based on the timing of a is measured.
【００２１】移動式高周波電源装置３は、加熱タイマ３
ａの計時時間に基づいて加熱部１への高周波電力の供給
を制御すると共に、加熱タイマ３ａ及び冷却タイマ３ｂ
の計時時間に基づいて加熱部１への加熱部冷却水の供給
を制御する。すなわち、移動式高周波電源装置３は、加
熱コイル１ａによる高周波磁場の発生時間（つまり導電
性構造物Ｘの加熱時間）を制御すると共に、冷却水ノズ
ル１ｃからの加熱部冷却水の吹付タイミングと吹付期間
（つまり導電性構造物Ｘの冷却時間）を制御するもので
ある。The mobile high-frequency power supply 3 includes a heating timer 3
a to control the supply of the high-frequency power to the heating unit 1 based on the measured time of the heating timer 3a and the cooling timer 3b.
The supply of the cooling water of the heating section to the heating section 1 is controlled based on the time counted by the timer. That is, the mobile high-frequency power supply device 3 controls the generation time of the high-frequency magnetic field by the heating coil 1a (that is, the heating time of the conductive structure X), and the timing and the timing of blowing the cooling water from the cooling water nozzle 1c. The period (that is, the cooling time of the conductive structure X) is controlled.
【００２２】冷却水循環装置４は、上記加熱部１及び加
熱コイル１ａ並びに移動式高周波電源装置３及び給電給
水ケーブル５を水冷するための機器冷却水（上記加熱部
冷却水とは別のもの）を強制循環させるものである。給
電給水ケーブル５は、移動式高周波電源装置３と加熱部
１とを接続するものであり、可撓性を有する。この給電
給水ケーブル５は、上記高周波電力を移動式高周波電源
装置３から加熱部１に供給する電力線、加熱部冷却水を
移動式高周波電源装置３から加熱部１に供給する給水ホ
ース、及び機器冷却水を移動式高周波電源装置３と加熱
部１との間で循環させる循環ホース等から構成されてい
る。また、給水ケーブル６は、冷却水循環装置４と移動
式高周波電源装置３とを接続するものであり、冷却水循
環装置４と移動式高周波電源装置３との間で上記機器冷
却水を循環させるホース等から構成されている。The cooling water circulating device 4 supplies equipment cooling water (other than the heating unit cooling water) for water-cooling the heating unit 1 and the heating coil 1a, the mobile high-frequency power supply device 3 and the power supply water cable 5. It is a forced circulation. The feed water supply cable 5 connects the mobile high-frequency power supply device 3 and the heating unit 1 and has flexibility. The power supply water supply cable 5 includes a power line that supplies the high-frequency power from the mobile high-frequency power supply 3 to the heating unit 1, a water supply hose that supplies heating unit cooling water from the mobile high-frequency power supply 3 to the heating unit 1, and equipment cooling. It comprises a circulation hose or the like for circulating water between the mobile high-frequency power supply device 3 and the heating unit 1. Further, the water supply cable 6 connects the cooling water circulating device 4 and the mobile high-frequency power supply 3, and a hose or the like for circulating the equipment cooling water between the cooling water circulating device 4 and the mobile high-frequency power supply 3. It is composed of
【００２３】次に、このように構成された導電性構造物
整形装置の動作及び当該導電性構造物整形装置を用いた
導電性構造物Ｘの整形方法について説明する。Next, the operation of the conductive structure shaping apparatus thus configured and a method of shaping the conductive structure X using the conductive structure shaping apparatus will be described.
【００２４】図３は、上述した導電性構造物Ｘの概要を
示す模式図である。この図において、×印の箇所は、整
形対象部位つまり平面性が良好ではない局所的部位であ
る。整形作業者は、これら複数の整形対象部位を導電性
構造物整形装置を用いて各々順番に急速加熱／急速冷却
することにより熱収縮させて導電性構造物Ｘの平面性を
向上させる。FIG. 3 is a schematic view showing an outline of the above-mentioned conductive structure X. In this figure, the cross-marked portions are shaping target portions, that is, local portions having poor flatness. The shaping operator heat-shrinks each of the plurality of shaping target portions by using the conductive structure shaping device to rapidly heat / cool them sequentially, thereby improving the planarity of the conductive structure X.
【００２５】例えば、最上かつ最右側に位置する整形対
象部位（×印部位）の整形を行う場合、整形作業者は、
当該×印部位に３本のコイルガイド１ｂが当接するよう
に加熱部１を姿勢保持して、運転スイッチ１ｄを操作す
る。加熱コイル１ａの外周に等間隔で配置された全ての
コイルガイド１ｂが×印部位に当接状態とされることに
より、加熱コイル１ａは×印部位に対して近接配置され
ると共に、加熱コイル１ａと×印部位との距離及び×印
部位に対する加熱コイル１ａの姿勢は所定の位置関係に
設定される。For example, when shaping the shaping target site (marked with x) located at the top and rightmost, the shaping operator
The operation unit 1d is operated while the attitude of the heating unit 1 is maintained such that the three coil guides 1b abut on the X-marked portions. All the coil guides 1b arranged at equal intervals on the outer periphery of the heating coil 1a are brought into contact with the X-marked portions, so that the heating coil 1a is arranged close to the X-marked portions and the heating coil 1a The distance between the mark and the X-marked part and the attitude of the heating coil 1a with respect to the X-marked part are set in a predetermined positional relationship.
【００２６】このようにして運転スイッチ１ｄが操作さ
れると、この操作情報は加熱部１及び給電給水ケーブル
５を介して移動式高周波電源装置３に伝達される。例え
ば時刻ｔ0（加熱開始時刻）に運転スイッチ１ｄが操作
されて加熱開始が指示されたとすると、移動式高周波電
源装置３は、加熱タイマ３ａによる計時を開始すると共
に高周波電力の出力を開始する。当該高周波電力は、給
電給水ケーブル５及び整合回路１ｇを介して加熱コイル
１ａに供給され、加熱コイル１ａ近傍に高周波磁界が発
生する。そして、この高周波磁界によって×印部位には
誘導電流（渦電流）が誘起され、当該誘導電流によって
×印部位は急速に誘導加熱される。すなわち、×印部位
は、誘導電流によって自己発熱する。When the operation switch 1d is operated in this way, this operation information is transmitted to the mobile high-frequency power supply 3 via the heating unit 1 and the feed water supply cable 5. For example, assuming that the operation switch 1d is operated at time t0 (heating start time) to instruct the start of heating, the mobile high-frequency power supply device 3 starts counting time by the heating timer 3a and starts outputting high-frequency power. The high-frequency power is supplied to the heating coil 1a via the feedwater cable 5 and the matching circuit 1g, and a high-frequency magnetic field is generated near the heating coil 1a. Then, an induced current (eddy current) is induced in the x-marked portion by the high-frequency magnetic field, and the x-marked portion is rapidly heated by the induced current. That is, the x-marked part generates heat by the induced current.
【００２７】そして、上記加熱開始時刻ｔ0から一定時
間Ｔa（加熱期間）経過して加熱タイマ３ａの計時時刻
が時刻ｔ3（加熱終了時刻）に至ると、移動式高周波電
源装置３は、加熱コイル１ａへの高周波電力の出力を停
止する。この結果、加熱コイル１ａにおける高周波磁界
の発生が停止するので、×印部位の加熱が終了する。す
なわち、当該×印部位は、加熱タイマ３ａによって計時
された正確な加熱期間Ｔaだけ加熱される。また、コイ
ルガイド１ｂの作用によって加熱コイル１ａと×印部位
との距離及び×印部位に対する加熱コイル１ａの姿勢は
一定に保持される。したがって、×印部位には一定強度
の高周波磁界が作用し、安定した加熱が施される。When a predetermined time Ta (heating period) elapses from the heating start time t0 and the time counted by the heating timer 3a reaches time t3 (heating end time), the mobile high-frequency power supply 3 starts heating the coil 1a. Stop outputting high frequency power to As a result, since the generation of the high-frequency magnetic field in the heating coil 1a is stopped, the heating of the portion marked X ends. That is, the X-marked part is heated for the accurate heating period Ta measured by the heating timer 3a. Further, by the action of the coil guide 1b, the distance between the heating coil 1a and the X mark part and the attitude of the heating coil 1a with respect to the X mark part are kept constant. Therefore, a high-frequency magnetic field having a constant strength acts on the X-marked portions, and stable heating is performed.
【００２８】一方、移動式高周波電源装置３は、上記加
熱終了時刻ｔ3の直前の時刻ｔ2（冷却開始時刻）に冷却
水ノズル１ｃへの加熱部冷却水の供給を開始すると共
に、冷却タイマ３ｂによる計時を開始する。この結果、
冷却水ノズル１ｃから×印部位に向けて加熱部冷却水が
吹き付けられて急速冷却される。そして、冷却タイマ３
ｂが上記冷却開始時刻ｔ2から一定時間Ｔb（冷却期間）
を計時して時刻ｔ4（冷却終了時刻）に至ると、移動式
高周波電源装置３は、加熱部冷却水の冷却水ノズル１ｃ
への供給を終了する。すなわち、本実施形態では、上述
したように加熱終了の直前に冷却を開始するが、これは
×印部位を極力急速冷却するための処置である。On the other hand, at the time t2 (cooling start time) immediately before the heating end time t3, the mobile high-frequency power supply device 3 starts supplying the cooling water to the cooling water nozzle 1c, and the cooling timer 3b. Start timing. As a result,
The cooling water of the heating section is sprayed from the cooling water nozzle 1c toward the X-marked portion to be rapidly cooled. And cooling timer 3
b is a fixed time Tb (cooling period) from the cooling start time t2.
When the time reaches the time t4 (cooling end time), the mobile high-frequency power supply 3 starts the cooling water nozzle 1c of the heating part cooling water.
The supply to is terminated. That is, in the present embodiment, the cooling is started immediately before the end of the heating as described above, but this is a treatment for cooling the X-marked portion as quickly as possible.
【００２９】×印部位は、このように安定した高周波磁
界によって一定の加熱期間Ｔaだけ急速加熱され、かつ
所定の冷却開始時刻ｔ2から一定の冷却期間Ｔbだけ加熱
部冷却水によって急速冷却されるので、極めて安定した
急速加熱／急速冷却が施されることになる。そして、こ
れら加熱／冷却に係わるパラメータ、つまり加熱期間Ｔ
a、冷却開始時刻ｔ2及び冷却期間Ｔbを×印部位の材質
に応じて適切に設定することにより×印部位の熱収縮量
を容易にコントロールすることが可能であり、よって本
導電性構造物整形装置を用いることにより従来のように
整形作業員の熟練に頼ることなく×印部位を整形するこ
とができる。The X-marked portion is rapidly heated by the stable high-frequency magnetic field for a predetermined heating period Ta, and rapidly cooled by the heating part cooling water for a predetermined cooling period Tb from a predetermined cooling start time t2. Thus, extremely stable rapid heating / rapid cooling is performed. The parameters relating to the heating / cooling, that is, the heating period T
a, by appropriately setting the cooling start time t2 and the cooling period Tb according to the material of the X-marked portion, the amount of heat shrinkage of the X-marked portion can be easily controlled, and thus the conductive structure can be shaped. By using the apparatus, the X-marked portion can be shaped without depending on the skill of the shaping operator as in the related art.
【００３０】整形作業員は、このようにして最上かつ最
右側に位置する×印部位の整形が終了すると、次の×印
部位についても同様に整形し、最終的に全×印部位の整
形が終了すると、当該溶接構造物の整形作業を終了す
る。なお、本発明は、高周波磁界による誘導加熱を導電
性構造物の整形に利用する点を要旨とするものであり、
導電性構造物Ｘは上記溶接構造物に限定されることな
く、種々の導電性構造物の整形に適用することが可能で
ある。When the shaping operator finishes shaping the uppermost and rightmost x-marked parts in this way, the shaping worker also shapes the next x-marked parts in the same manner, and finally shapings all the x-marked parts. When completed, the shaping work of the welded structure is completed. The gist of the present invention is to utilize induction heating by a high-frequency magnetic field for shaping a conductive structure.
The conductive structure X is not limited to the above welded structure, and can be applied to shaping of various conductive structures.
【００３１】[0031]
【発明の効果】以上説明したように、本発明に係わる導
電性構造物整形装置及び方法によれば、以下のような効
果を奏する。As described above, the conductive structure shaping apparatus and method according to the present invention have the following effects.
【００３２】（１）請求項１あるいは６記載の発明によ
れば、従来のガスバーナーによるガスの燃焼加熱に代え
て、高周波磁場に起因して導電性構造物に流れる誘導電
流による自らの発熱によって導電性構造物が加熱される
ので、導電性構造物の加熱状態をより正確に把握するこ
とができる。したがって、ガスの燃焼による外部からの
加熱方法に比較して、導電性構造物を所望の加熱状態と
することが容易であり、よって作業員の熟練に頼ること
なく導電性構造物を整形することが可能であると共に、
導電性構造物の整形に関する作業効率を向上させること
が可能である。また、ガスバーナーを用いることなく、
高周波磁場による導電性構造物自らの発熱を利用するの
で、導電性構造物の整形に関する作業環境が改善され
る。(1) According to the first or sixth aspect of the present invention, instead of the conventional gas combustion and heating by the gas burner, the heat generated by its own current due to the induced current flowing through the conductive structure due to the high frequency magnetic field. Since the conductive structure is heated, the heating state of the conductive structure can be grasped more accurately. Therefore, the conductive structure can be easily heated to a desired heating state as compared with an external heating method using gas combustion, so that the conductive structure can be shaped without relying on the skill of an operator. Is possible,
It is possible to improve work efficiency regarding shaping of the conductive structure. Also, without using a gas burner,
Since the heat generated by the conductive structure itself due to the high-frequency magnetic field is used, the working environment for shaping the conductive structure is improved.
【００３３】（２）請求項２記載の発明によれば、高周
波磁場発生手段に導電性構造物に対する距離を一定に保
持する距離保持手段を備えるので、安定した高周波磁場
を導電性構造物に作用させることが可能であり、導電性
構造物のより安定した加熱を実現することができる。し
たがって、導電性構造物をより精度良く整形することが
可能である。(2) According to the second aspect of the present invention, since the high-frequency magnetic field generating means includes the distance maintaining means for maintaining the distance to the conductive structure constant, a stable high-frequency magnetic field is applied to the conductive structure. It is possible to achieve more stable heating of the conductive structure. Therefore, it is possible to shape the conductive structure with higher accuracy.
【００３４】（３）請求項３記載の発明によれば、高周
波磁場の発生時間を制御する加熱制御手段を備えるの
で、加熱期間を所定期間に設定することが容易であり、
導電性構造物をより精度良く整形することが可能であ
る。(3) According to the third aspect of the present invention, since the heating control means for controlling the generation time of the high-frequency magnetic field is provided, it is easy to set the heating period to a predetermined period.
It is possible to shape the conductive structure with higher precision.
【００３５】（４）請求項４記載の発明によれば、急速
冷却するために導電性構造物に加熱部冷却水を自動的に
吹き付ける冷却水吹付手段を備えるので、導電性構造物
の冷却を自動的に行うことが可能である。(4) According to the fourth aspect of the present invention, since the cooling water spraying means for automatically blowing the cooling water of the heating portion to the conductive structure for rapid cooling is provided, the cooling of the conductive structure is performed. It can be done automatically.
【００３６】（５）請求項５記載の発明によれば、加熱
部冷却水の導電性構造物への吹き付けタイミングを制御
する冷却制御手段を備えるので、導電性構造物の冷却を
タイミングを所望のタイミングに設定することが容易で
あり、導電性構造物をより精度良く整形することが可能
である。(5) According to the fifth aspect of the present invention, since the cooling unit for controlling the timing of spraying the cooling water of the heating section onto the conductive structure is provided, the cooling of the conductive structure can be performed at a desired timing. The timing can be easily set, and the conductive structure can be shaped with higher accuracy.
【図１】 本発明の一実施形態に係わる導電性構造物整
形装置の機能構成を示すブロック図である。FIG. 1 is a block diagram showing a functional configuration of a conductive structure shaping apparatus according to an embodiment of the present invention.
【図２】 本発明の一実施形態における加熱部の構成を
示す図であり、（ａ）は正面図、（ｂ）は側面図であ
る。2A and 2B are diagrams illustrating a configuration of a heating unit according to the embodiment of the present invention, wherein FIG. 2A is a front view and FIG. 2B is a side view.
【図３】 本発明の一実施形態に係わる導電性構造物Ｘ
の概要を示す模式図である。FIG. 3 shows a conductive structure X according to an embodiment of the present invention.
It is a schematic diagram which shows the outline | summary.
Ｘ……導電性構造物 １……加熱部 １ａ……加熱コイル（高周波磁場発生手段） １ｂ……コイルガイド（姿勢保持手段） １ｃ……冷却水ノズル（冷却水吹付手段） １ｄ……運転スイッチ １ｅ……取手 １ｆ……吊り具 １ｇ……整合回路 ２……バランサー ３……移動式高周波電源装置（加熱制御手段，冷却制御
手段） ３ａ……加熱タイマ ３ｂ……冷却タイマ ４……冷却水循環装置 ５……給電給水ケーブル ６……給水ケーブルX: conductive structure 1: heating unit 1a: heating coil (high-frequency magnetic field generating means) 1b: coil guide (posture holding means) 1c: cooling water nozzle (cooling water spraying means) 1d: operation switch 1e Handle 1f Hanging device 1g Matching circuit 2 Balancer 3 Mobile high-frequency power supply (heating control means, cooling control means) 3a Heating timer 3b Cooling timer 4 Cooling water circulation Apparatus 5 Power supply water cable 6 Water supply cable
───────────────────────────────────────────────────── フロントページの続き (72)発明者 柳内 英治 東京都江東区豊洲二丁目１番１号 石川島 播磨重工業株式会社東京第一工場内 (72)発明者 長田 進 福岡県北九州市八幡西区菅原町５番26− 101号 (72)発明者 岡村 強 福岡県中間市大字上底井野176−80 Ｆターム(参考） 3K059 AB08 AB26 AB28 AC10 AC35 AC54 AD02 AD04 AD40 BD02 CD14 CD48 CD73 4E003 AA01 DA04 DA08 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Eiji Yanagiuchi 2-1-1, Toyosu, Koto-ku, Tokyo Ishikawajima-Harima Heavy Industries Co., Ltd. Tokyo First Plant (72) Inventor Susumu Nagata Sugawara, Yawatanishi-ku, Kitakyushu-shi, Fukuoka Town No. 5-26-101 (72) Inventor Tsuyoshi Okamura 176-80 Fushioka Ino, Fukuoka Pref.
Claims (6)
速冷却して整形する装置であって、 導電性構造物に近接配置された高周波磁場発生手段の高
周波磁場によって導電性構造物を局所的に急速加熱する
ことを特徴とする導電性構造物整形装置。An apparatus for locally heating and rapidly cooling and shaping a conductive structure, wherein the high-frequency magnetic field is generated by a high-frequency magnetic field generated by a high-frequency magnetic field generating means disposed close to the conductive structure. Conductive structure shaping device characterized by rapid heating.
対する距離を一定に保持する距離保持手段を備えること
を特徴とする請求項１記載の導電性構造物整形装置。2. The conductive structure shaping apparatus according to claim 1, wherein the high-frequency magnetic field generating means includes a distance holding means for holding a distance to the conductive structure constant.
御手段を備えることを特徴とする請求項１または２記載
の導電性構造物整形装置。3. The conductive structure shaping apparatus according to claim 1, further comprising heating control means for controlling a generation time of the high-frequency magnetic field.
部冷却水を自動的に吹き付ける冷却水吹付手段を備える
ことを特徴とする請求項１〜３いずれかに記載の導電性
構造物整形装置。4. The conductive structure shaping according to claim 1, further comprising cooling water spraying means for automatically blowing cooling water to the conductive structure to the conductive structure for rapid cooling. apparatus.
けタイミングを制御する冷却制御手段を備えることを特
徴とする請求項４記載の導電性構造物整形装置。5. The conductive structure shaping apparatus according to claim 4, further comprising cooling control means for controlling timing of spraying the cooling water of the heating section onto the conductive structure.
速冷却して整形する方法であって、 高周波磁場によって導電性構造物を局所的に急速加熱す
ることを特徴とする導電性構造物整形方法。6. A method for locally heating and rapidly cooling and shaping a conductive structure, wherein the conductive structure is locally rapidly heated by a high-frequency magnetic field. Formatting method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000201546A JP4302298B2 (en) | 2000-07-03 | 2000-07-03 | Conductive structure shaping apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000201546A JP4302298B2 (en) | 2000-07-03 | 2000-07-03 | Conductive structure shaping apparatus and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002018521A true JP2002018521A (en) | 2002-01-22 |
| JP4302298B2 JP4302298B2 (en) | 2009-07-22 |
Family
ID=18699219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000201546A Expired - Lifetime JP4302298B2 (en) | 2000-07-03 | 2000-07-03 | Conductive structure shaping apparatus and method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4302298B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100677465B1 (en) * | 2005-08-10 | 2007-02-07 | 이영화 | Linear Induction Heating Coil Tool for Plate Bending |
| CN109997412A (en) * | 2016-09-13 | 2019-07-09 | R·梅切特利 | The method and apparatus for removing dent |
-
2000
- 2000-07-03 JP JP2000201546A patent/JP4302298B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100677465B1 (en) * | 2005-08-10 | 2007-02-07 | 이영화 | Linear Induction Heating Coil Tool for Plate Bending |
| CN109997412A (en) * | 2016-09-13 | 2019-07-09 | R·梅切特利 | The method and apparatus for removing dent |
| CN109997412B (en) * | 2016-09-13 | 2022-02-08 | R·梅切特利 | Method, device and work head for inducing localized heating in a sheet metal structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4302298B2 (en) | 2009-07-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3753657B2 (en) | Twin spot pulse laser welding method and apparatus | |
| US10708983B2 (en) | Method and device for removing dents | |
| JP4437595B2 (en) | Superplastic forming device | |
| JP5121059B2 (en) | Distortion removing apparatus and method | |
| KR20080103269A (en) | Manufacturing apparatus of curved surfaces of outer plate of hull | |
| JP2002018521A (en) | Method and apparatus for shaping conductive structure | |
| JP6108612B2 (en) | Moving quenching device for long workpiece and moving quenching method | |
| JP2003236665A (en) | Automatic dual arc welding equipment | |
| CN102145422B (en) | Electric arc welding method | |
| US3449543A (en) | Tig spot welding by means of a pulsating unidirectional current | |
| JPH05263125A (en) | Full automatic high-frequency induction quenching device | |
| CN213497162U (en) | Machine head of film type wall surfacing machine and film type wall surfacing machine | |
| US2427747A (en) | Induction heating apparatus for brazing fillets | |
| JP2003239018A (en) | Method and device for hardening pressed article | |
| US6198066B1 (en) | Method and apparatus for radiated beam marking of a golf club part and such part | |
| JPH11170081A (en) | Stress relief heater | |
| JP4644379B2 (en) | High frequency induction heating method and apparatus | |
| KR102515291B1 (en) | Residual magnetic field relief method by magnetic field | |
| JP4552066B2 (en) | Golf club disassembly device | |
| JP2007092094A (en) | Induction hardening apparatus for metallic workpiece, and induction hardening method therefor | |
| CN213497163U (en) | Hot wire system of membrane type wall surfacing machine and membrane type wall surfacing machine | |
| JPH04154908A (en) | Coil automatic exchanging device for high-frequency quenching apparatus | |
| KR200204970Y1 (en) | Timer for measuring welding heat input | |
| JP2002035937A (en) | Device and method for controlling weld inter-pass temperature | |
| CN113275791A (en) | Welding system of stainless steel composite board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050830 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20081216 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090216 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090414 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090422 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120501 Year of fee payment: 3 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 4302298 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120501 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130501 Year of fee payment: 4 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130501 Year of fee payment: 4 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
| R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130501 Year of fee payment: 4 |
|
| R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
| R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |