JPH0230753A - Microwelding equipment for coating with electrode material - Google Patents
Microwelding equipment for coating with electrode materialInfo
- Publication number
- JPH0230753A JPH0230753A JP17926588A JP17926588A JPH0230753A JP H0230753 A JPH0230753 A JP H0230753A JP 17926588 A JP17926588 A JP 17926588A JP 17926588 A JP17926588 A JP 17926588A JP H0230753 A JPH0230753 A JP H0230753A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- motor
- chuck
- shaped body
- electrode material
- 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.)
- Pending
Links
- 239000007772 electrode material Substances 0.000 title claims abstract description 15
- 239000011248 coating agent Substances 0.000 title abstract description 4
- 238000000576 coating method Methods 0.000 title abstract description 4
- 238000003466 welding Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Landscapes
- Physical Vapour Deposition (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野））
本発明は、電極と被加工物との間に衝撃放電を発生させ
て電極材を被覆するマイクロ溶接装置に関し、各種工具
類や機械部品など微細な寸法での表面加工を必要とする
分野に利用できる装置に関するものである。Detailed Description of the Invention (Industrial Application Field) The present invention relates to a micro welding device that generates an impact discharge between an electrode and a workpiece to cover an electrode material. The present invention relates to a device that can be used in fields that require surface processing with minute dimensions, such as the following.
（従来の技術）
各種の工具類や機械部品などの表面に金属材料を被覆す
る方法として、電極と被加工物との間に衝撃放電を発生
させて電極材を被覆するマイクロ溶接方法はすでに知ら
れているが、従来のマイクロ溶接方法では微小間隙の調
整が容易でなく、精密な表面加工作業を行なうには限界
があった。(Prior art) As a method of coating metal materials on the surfaces of various tools and machine parts, a micro welding method is already known in which the electrode material is coated by generating an impact discharge between the electrode and the workpiece. However, with conventional micro welding methods, it is difficult to adjust minute gaps, and there are limits to precision surface processing operations.
（発明が解決しようとする問題点）
本発明の目的は、工具電極と被加工物との間の微小間隙
を調整できるようにし、精密な表面加工を実現すること
により、部品の高密度化と品質の向上を達成できる電極
材被覆マイクロ溶接装置を提供することにある。(Problems to be Solved by the Invention) An object of the present invention is to make it possible to adjust the minute gap between the tool electrode and the workpiece, and to realize precise surface machining, thereby increasing the density of parts. An object of the present invention is to provide an electrode material-coated micro welding device that can improve quality.
（問題点を解決するための手段とその作用）本発明の前
述した目的は、電極と被加工物との間に衝撃放電を発生
させて電極材を被覆するマイクロ溶接装置において、垂
直方向に延伸する電極を把持するチャックと、このチャ
ックを支持する棒状体と、この棒状体の上端を出力軸に
連結した電極回転用モータと、この電極回転用モータを
支持するケーシングを上下に昇降させるサーボモータと
、このサーボモータを支持するフレームとを備え、前記
電極回転用モータの出力軸線と前記昇降用サーボモータ
の出力軸線とが概ね同一線上にあることを特徴とする電
極材被覆マイクロ溶接装置によって達成される。(Means for Solving the Problems and Their Effects) The above-mentioned object of the present invention is to provide a micro welding device that generates an impact discharge between an electrode and a workpiece to cover an electrode material, in which the electrode material is stretched in the vertical direction. A chuck that grips the electrode, a rod-shaped body that supports this chuck, an electrode rotation motor that connects the upper end of this rod-shaped body to an output shaft, and a servo motor that raises and lowers the casing that supports this electrode rotation motor. and a frame supporting the servo motor, and the output axis of the electrode rotation motor and the output axis of the lifting servo motor are generally on the same line. be done.
かかる構成によれば、電極回転用のモータと電極昇降用
のサーボモータとがほぼ同一線上に位置するので、ｔｉ
に振動を加えながらパルス状の放電を繰り返すマイクロ
溶接方法においては電極の先端の位置のブレが減少し、
目的とする溶接位置に正確にねらいを定めることができ
る。According to this configuration, since the motor for rotating the electrode and the servo motor for lifting and lowering the electrode are located approximately on the same line, the ti
In the micro welding method, which repeats pulsed discharge while applying vibration, the positional fluctuation of the electrode tip is reduced,
You can accurately aim at the desired welding position.
好適な態様として、この溶接装置のチャックに隣接して
自動電極交換装置を配置すれば、作業能率をさらに高め
ることができる。As a preferred embodiment, if an automatic electrode exchange device is placed adjacent to the chuck of this welding device, work efficiency can be further improved.
さらに好適な態様として、電極回転用モータに偏心駆動
用モータを取付け、この偏心駆動用モータにより電極を
平行偏心運動又はみそすり運動させるように構成すれば
、電極の先端が一定の面積をカバーできることになり、
放電電極の直径よりも大きな面積が被覆可能となる利点
が得られる。In a further preferred embodiment, an eccentric drive motor is attached to the electrode rotation motor, and the eccentric drive motor causes the electrode to move in a parallel eccentric motion or in a diagonal motion, so that the tip of the electrode can cover a certain area. become,
An advantage is obtained that a larger area than the diameter of the discharge electrode can be covered.
本発明の他の特徴及び利点は、添付図面の実施例を参照
した以下の記載により明らかとなろう。Other characteristics and advantages of the invention will become apparent from the following description with reference to the embodiments of the accompanying drawings.
（実施例）
第１図は、本発明の好適な実施例による電極材被覆マイ
クロ溶接装置１０の全体を表わしており、電極１２と被
加工物１４との間にパルス状の衝撃放電を発生させて被
加工物１４に電極材１２を被覆するようになっている０
本発明に従いこの溶接装置１０は、垂直方向に延伸する
電極１２を把持するチャック１６と、チャック１６を支
持する棒状体１８と、棒状体１８の上端を出力軸２２に
連結する電極回転用モータ２０と、このモータ２０を支
持するケーシング２４を上下に移動させるねじ棒２６を
出力軸３２に連結した電極昇降用サーボモータ３０と、
このサーボモータ３０を支持するフレーム３４とを備え
ている。(Embodiment) FIG. 1 shows the whole of an electrode material-coated micro-welding device 10 according to a preferred embodiment of the present invention, in which a pulsed impact discharge is generated between an electrode 12 and a workpiece 14. 0 to cover the workpiece 14 with the electrode material 12.
According to the present invention, this welding apparatus 10 includes a chuck 16 that grips an electrode 12 extending vertically, a rod-shaped body 18 that supports the chuck 16, and an electrode rotation motor 20 that connects the upper end of the rod-shaped body 18 to an output shaft 22. and a servo motor 30 for lifting and lowering an electrode, which has a threaded rod 26 connected to an output shaft 32 for vertically moving a casing 24 that supports this motor 20;
A frame 34 that supports the servo motor 30 is provided.
フレーム３４とケーシング２４との間には、自動昇降調
整１９ｔ１３５が設けられ、一定の制御電圧以下になる
と自動的に上昇し、一定の制御電圧以上になると自動的
に下降するように、数値制御装置４０に接続されている
。この制御にはさらに経過時間や放電パルスの数などを
入力してより高度な制御を行なわせることができる。An automatic lift adjustment 19t135 is provided between the frame 34 and the casing 24, and a numerical control device is installed so that the automatic lift adjustment 19t135 automatically raises when the control voltage is below a certain level and automatically lowers when the control voltage exceeds a certain level. 40. For this control, more advanced control can be performed by inputting the elapsed time, the number of discharge pulses, etc.
電極回転用モータ２０の出力軸２２の中心線とｉｕｉ昇
降用サーボモータ３０の出力軸３２の中心線とは概ね同
一線上にあって、電極１２が振動したり回転したりする
際にその中心位置ができるだけぶれないようにする構造
となっている。The center line of the output shaft 22 of the electrode rotation motor 20 and the center line of the output shaft 32 of the IUI lifting servo motor 30 are approximately on the same line, and when the electrode 12 vibrates or rotates, its center position changes. The structure is such that it does not shake as much as possible.
棒状体１８は、超磁歪材の一種であるＴｂ、、。The rod-shaped body 18 is made of Tb, which is a type of giant magnetostrictive material.
ＤＹ ａ、 、Ｆ ｅ １．４合金で作られている。そ
の耐圧は約３〜５ ｋｇ ／ ｍ ”である。この棒状
体１８に駆動コイル３６を例えば５００回巻き付け、駆
動電源３８から電力を供給する。この棒状体１８が３６
０°以上回転する場合は、駆動コイル３６は棒状体１８
から離して巻き付けるようにする。駆動電源３８には数
値制御装置４０が接続され、棒状体１８の伸縮運動を最
適に制御する。Made of DY a, , Fe 1.4 alloy. Its pressure resistance is about 3 to 5 kg/m''.A drive coil 36 is wound around this rod-shaped body 18, for example, 500 times, and power is supplied from a drive power source 38.This rod-shaped body 18
When rotating more than 0°, the drive coil 36 is rotated by the rod-shaped body 18.
Make sure to wrap it away from it. A numerical control device 40 is connected to the drive power source 38, and optimally controls the expansion and contraction movement of the rod-shaped body 18.
電極１２はブラシ４２を介してパルス電源４４に接続さ
れ、一方被加工物１４もパルス電２Ｉ！Ｘ４４に接続さ
れており、両者の間にパルス状の電圧が与えられること
により放電現象が発生し加工が行なわれる。The electrode 12 is connected to a pulsed power source 44 via a brush 42, while the workpiece 14 is also connected to a pulsed power source 2I! It is connected to X44, and when a pulse voltage is applied between the two, a discharge phenomenon occurs and machining is performed.
被加工物１４を載せるテーブル４６には、水平方向の互
いに直交するＸ方向とＹ方向の移動量を制御する送り機
構４８．５０が設けられ、数値制御袋Ｗ４０で制御され
るようになっている。The table 46 on which the workpiece 14 is placed is provided with a feed mechanism 48.50 that controls the amount of movement in the X and Y directions that are perpendicular to each other in the horizontal direction, and is controlled by a numerical control bag W40. .
さらに、電極１２を把持するチャック１６に隣接して自
動電極交換装置６０が配置されている。Further, an automatic electrode exchange device 60 is disposed adjacent to the chuck 16 that grips the electrode 12.
かかる構成に基づき、本発明のマイクロ溶接装置１Ｗ１
０によれば、まずサーボモータ３０が作動してねじ棒２
６を回転させフレーム３４を下方に動かす。電極１２の
下端が被加工物１４の表面から所定の距離に達したとこ
ろで停止させ、自動昇降調整機構３５をＯＮにする。さ
らに微小間隔の制御を行なうため棒状体１８の駆動コイ
ル３６に電流を流して伸縮させ、所定の微小間隙を保た
せる。Based on this configuration, the micro welding device 1W1 of the present invention
According to No. 0, the servo motor 30 operates first and the threaded rod 2
6 and move the frame 34 downward. When the lower end of the electrode 12 reaches a predetermined distance from the surface of the workpiece 14, it is stopped, and the automatic elevation adjustment mechanism 35 is turned on. Furthermore, in order to control the minute gap, a current is applied to the drive coil 36 of the rod-shaped body 18 to cause it to expand and contract, thereby maintaining a predetermined minute gap.
ここでパルス電源４４から電極１２と被加工物１４の間
に電圧をかけて両者の間にパルス状の放電を起こさせる
。このとき必要に応してモータ２０で電極１２を回転さ
せたり、駆動コイル３６にスイッチング回路（図示なし
）からの断続的な電流を流して棒状体１日を高い周波数
で振動させることができる。パルス状の衝撃放電が発生
することにより電極材１２が被加工物１４に向かって被
覆される。Here, a voltage is applied between the electrode 12 and the workpiece 14 from the pulse power source 44 to cause a pulsed discharge between them. At this time, if necessary, the rod-like body can be vibrated at a high frequency by rotating the electrode 12 with the motor 20 or by passing an intermittent current from a switching circuit (not shown) through the drive coil 36. The electrode material 12 is coated toward the workpiece 14 by generating a pulsed impact discharge.
送り機構４８．５０で水平方向の溶接位置の調整及び送
りを行なうことができ、所定の方向に沿って繰り返し溶
接作業を行なうことができる。また、自動電極交換装置
６０を作動させて工具電極１２を交換し、所定の大きさ
の被覆部分を形成させることができる。The feed mechanisms 48, 50 can adjust and feed the welding position in the horizontal direction, and welding operations can be repeated in a predetermined direction. Further, the automatic electrode exchange device 60 can be operated to exchange the tool electrode 12 to form a coated portion of a predetermined size.
溶接作業の間、電極１２は次第に消耗していくので放電
間隙が開いていくが、これに伴い電圧が変化するので、
この電圧変化を感知して作動する自動昇降調整機構３５
によってほぼ一定の放電間隙が保たれる。なお、必要に
応してさらに棒状体１８の駆動コイルに電流を流して伸
縮させ、微小間隙を調整することができる。During welding work, the electrode 12 gradually wears out and the discharge gap opens, but the voltage changes accordingly.
Automatic elevation adjustment mechanism 35 that operates by sensing this voltage change
A nearly constant discharge gap is maintained. Note that, if necessary, the minute gap can be adjusted by further applying current to the drive coil of the rod-shaped body 18 to cause it to expand and contract.
第２図は、電極回転用モータ２０をガイドフレーム７０
内に取付け、このガイドフレーム７０の上部に設けた孔
７２の中に偏心駆動用モータ７４の偏心回転軸７６を挿
入して、ガイドフレーム７０にみそすり運動を起こさせ
、これによって電極１２の先端に第３図のようなみそす
り運動を起こさせるように構成した実施例を表わしてい
る。FIG. 2 shows how the electrode rotation motor 20 is connected to the guide frame 70.
The eccentric rotation shaft 76 of the eccentric drive motor 74 is inserted into the hole 72 provided in the upper part of the guide frame 70 to cause the guide frame 70 to move, thereby causing the tip of the electrode 12 to move. 3 shows an embodiment configured to cause a wrenching motion as shown in FIG.
電極１２の先端がこのようなみそすり運動を起こすこと
により、電極の先端が広げられた効果を生して被覆部分
の面積が大きくとれることになる。When the tip of the electrode 12 causes such a writhing movement, the tip of the electrode is spread out, and the area of the covered portion can be increased.
第４図は、第２図で電橋回転用モータ２０を取付けたガ
イドフレーム７０とケーシング２４との間にボール７３
を円周配置して、回転自在とじた構成を拡大して表わし
ている。FIG. 4 shows a ball 73 between the guide frame 70 to which the electric bridge rotation motor 20 is attached in FIG. 2 and the casing 24.
This is an enlarged view of the configuration in which the screws are arranged around the circumference and are rotatably closed.
第５図は、ケーシング２４に取付けた偏心駆動モータ８
０で水平方向に回転するドラム８２を駆動し、このドラ
ム８２の中心から距離Ｅだけオフセットした位置に電極
回転用モータ２０の中心を取付けて、ドラム８２が回転
することにより電極１２が直径２Ｅの円形に沿って平行
偏心運動を行なうように構成した実施例を表わしている
。この実施例によれば、さらに広い面積にわたって電極
材を被覆することが可能になる。FIG. 5 shows an eccentric drive motor 8 attached to the casing 24.
0, the center of the electrode rotation motor 20 is mounted at a position offset by a distance E from the center of the drum 82, and as the drum 82 rotates, the electrode 12 is rotated with a diameter of 2E. This shows an embodiment configured to perform parallel eccentric motion along a circle. According to this embodiment, it becomes possible to cover an even wider area with the electrode material.
（発明の効果）
以上詳細に説明した如く、本発明の電極材被覆マイクロ
溶接装置によれば、溶接作業中に工具電極がプレを起こ
して位置がずれることがなくなり、工具電極と被加工物
との間の微小間隙が調整できて精密な電極材被覆作業が
実現できる。これにより各種工具類や機械部品への精密
な表面加工が可能となり、製品の品質が向上する等、そ
の技術的効果には極めて顕著なものがある。(Effects of the Invention) As explained in detail above, according to the electrode material coated micro welding device of the present invention, the tool electrode does not cause pretension and become misaligned during welding work, and the tool electrode and the workpiece are The minute gap between the electrodes can be adjusted to achieve precise electrode material coating work. This makes it possible to perform precise surface processing on various tools and machine parts, and the technical effects are extremely remarkable, such as improving the quality of products.
第１図は本発明の第１実施例による電極材被覆マイクロ
溶接装置の全体を表わす概略正面図、第２図は偏心駆動
モータを取付けた実施例の部分正面図、第３図は電極が
みそすり運動を行なう状態を表わす斜視図、第４図は第
２図の下方部分の拡大図、第５図は偏心駆動モータの他
の例を取付けた実施例の部分正面図である。
１０・・・溶接装置 １２・・・電極１４・・・被
加工物 １６・・・チャンク１８・・・棒状体
２０・・・電極回転用モータ
２２・・・出力軸 ２４・・・ケーシング３０・
・・電極昇降用モータ
３２・・・出力軸 ３４・・・フレーム３６・・
・棒状体 ３８・・・駆動コイル４０・・・数値
制御装置 ４４・・・パルス電源４６・・・テーブル
４８．５０・・・送り機構
６０・・・自動電極交換装置
７４．８０・・・偏心駆動モータ
第
図
第２図
第４図
第５図FIG. 1 is a schematic front view showing the entire electrode material-covered micro-welding device according to the first embodiment of the present invention, FIG. 2 is a partial front view of the embodiment with an eccentric drive motor attached, and FIG. FIG. 4 is an enlarged view of the lower part of FIG. 2, and FIG. 5 is a partial front view of an embodiment in which another example of the eccentric drive motor is attached. DESCRIPTION OF SYMBOLS 10... Welding device 12... Electrode 14... Workpiece 16... Chunk 18... Rod-shaped body 20... Electrode rotation motor 22... Output shaft 24... Casing 30.
...Electrode lifting motor 32...Output shaft 34...Frame 36...
- Rod-shaped body 38... Drive coil 40... Numerical control device 44... Pulse power source 46... Table 48.50... Feeding mechanism 60... Automatic electrode exchange device 74.80... Eccentricity Drive motor Figure 2 Figure 4 Figure 5
Claims (1)
材を被覆するマイクロ溶接装置において、垂直方向に延
伸する電極を把持するチャックと、このチャックを支持
する棒状体と、この棒状体の上端を出力軸に連結した電
極回転用モータと、この電極回転用モータを支持するケ
ーシングを上下に昇降させるサーボモータと、このサー
ボモータを支持するフレームとを備え、 前記電極回転用モータの出力軸線と前記昇降用サーボモ
ータの出力軸線とが概ね同一線上にあることを特徴とす
る電極材被覆マイクロ溶接装置。 ２、前記チャックに隣接して自動電極交換装置が配置さ
れている請求項１記載の装置。 ３、前記電極回転用モータに偏心駆動用モータが取付け
られ、該偏心駆動用モータは電極を平行偏心運動又はみ
そすり運動させるように連結されている請求項１記載の
装置。[Claims] 1. In a micro welding device that generates an impact discharge between an electrode and a workpiece to cover an electrode material, there is provided a chuck that grips an electrode extending in the vertical direction, and a chuck that supports the chuck. A rod-shaped body, an electrode rotation motor with the upper end of the rod-shaped body connected to an output shaft, a servo motor that vertically raises and lowers a casing that supports this electrode rotation motor, and a frame that supports this servo motor, An electrode material-coated micro welding device characterized in that an output axis of the electrode rotation motor and an output axis of the lifting servo motor are generally on the same line. 2. The apparatus of claim 1, further comprising an automatic electrode exchanger disposed adjacent to said chuck. 3. The apparatus according to claim 1, wherein an eccentric drive motor is attached to the electrode rotation motor, and the eccentric drive motor is connected to cause the electrode to move in a parallel eccentric motion or in a diagonal motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17926588A JPH0230753A (en) | 1988-07-20 | 1988-07-20 | Microwelding equipment for coating with electrode material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17926588A JPH0230753A (en) | 1988-07-20 | 1988-07-20 | Microwelding equipment for coating with electrode material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0230753A true JPH0230753A (en) | 1990-02-01 |
Family
ID=16062826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17926588A Pending JPH0230753A (en) | 1988-07-20 | 1988-07-20 | Microwelding equipment for coating with electrode material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0230753A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111375919A (en) * | 2020-03-27 | 2020-07-07 | 哈尔滨工业大学 | Electric spark micro-welding device and method |
| CN115283865A (en) * | 2022-10-10 | 2022-11-04 | 安徽万宇机械设备科技有限公司 | Wire welding device and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6092484A (en) * | 1983-10-26 | 1985-05-24 | Inoue Japax Res Inc | Surface coating device |
| JPS60248877A (en) * | 1984-05-24 | 1985-12-09 | Inoue Japax Res Inc | Instrument for coating work by discharge |
-
1988
- 1988-07-20 JP JP17926588A patent/JPH0230753A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6092484A (en) * | 1983-10-26 | 1985-05-24 | Inoue Japax Res Inc | Surface coating device |
| JPS60248877A (en) * | 1984-05-24 | 1985-12-09 | Inoue Japax Res Inc | Instrument for coating work by discharge |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111375919A (en) * | 2020-03-27 | 2020-07-07 | 哈尔滨工业大学 | Electric spark micro-welding device and method |
| CN111375919B (en) * | 2020-03-27 | 2022-04-12 | 哈尔滨工业大学 | Electric spark micro-welding device and method |
| CN115283865A (en) * | 2022-10-10 | 2022-11-04 | 安徽万宇机械设备科技有限公司 | Wire welding device and method |
| CN115283865B (en) * | 2022-10-10 | 2022-12-27 | 安徽万宇机械设备科技有限公司 | Wire welding device and method |
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