JPH0263685A - Welding method - Google Patents
Welding methodInfo
- Publication number
- JPH0263685A JPH0263685A JP21725088A JP21725088A JPH0263685A JP H0263685 A JPH0263685 A JP H0263685A JP 21725088 A JP21725088 A JP 21725088A JP 21725088 A JP21725088 A JP 21725088A JP H0263685 A JPH0263685 A JP H0263685A
- Authority
- JP
- Japan
- Prior art keywords
- projection
- base metal
- welded
- welding
- robot
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 239000010953 base metal Substances 0.000 abstract description 12
- 230000005611 electricity Effects 0.000 abstract 1
- 238000000465 moulding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
Landscapes
- Resistance Welding (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本光明は、スタッド溶接の原理を応用して溶接を行なう
方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a welding method applying the principle of stud welding.
(従来の技術)
周知のにうに、抵抗溶接を行なう場合には、溶接ガンを
介して被溶接体に大きな加圧力が作用されるので、該被
溶接体を強固に位置決めしておく必要がある。(Prior Art) As is well known, when resistance welding is performed, a large pressing force is applied to the object to be welded via a welding gun, so it is necessary to firmly position the object to be welded. .
すなわち、例えば抵抗溶接式の溶接機1つであるスポッ
ト溶接機を用いて、第4図に示す母材1に部品2,3.
46よび5を溶接する場合、該溶接機の溶接ガン6には
200 Kg程度の高加圧力が作用する。したがって、
この場合、各部品2〜5をそれぞれ専用の位置決め用治
具7〜10によって強固に位置決めする必要がある。That is, for example, parts 2, 3, . . . are attached to a base material 1 shown in FIG.
46 and 5, a high pressure of about 200 kg is applied to the welding gun 6 of the welding machine. therefore,
In this case, it is necessary to firmly position each of the parts 2 to 5 using dedicated positioning jigs 7 to 10, respectively.
なお、第5図には各部品2〜5についてのスポット溶接
ポイントがX印で示されている。Incidentally, in FIG. 5, the spot welding points for each of the parts 2 to 5 are indicated by X marks.
〔発明が解決しようとする課題)
上記するように抵抗溶接は、強い締着力をもつ専用の位
置決め用治具を必要とするので、多種、小量生産を行う
上で不利であり、また設備費用が嵩むという欠点がある
。[Problems to be Solved by the Invention] As mentioned above, resistance welding requires a dedicated positioning jig with strong clamping force, which is disadvantageous when performing high-mix, low-volume production, and also reduces equipment costs. It has the disadvantage of being bulky.
本発明の目的は、かかる従来の問題点に鑑み、位置決め
用治具の簡易化を図ることができる溶接方法を提供する
ことにある。SUMMARY OF THE INVENTION In view of these conventional problems, an object of the present invention is to provide a welding method that can simplify the positioning jig.
本発明に係る溶接方法Cは、被溶接物に予め突起を形成
する工程と、上記突起が母材に向(すられる態様で上記
被溶接物を位置決めする工程と、上記突起と母材との間
でアークを発生させる■稈と、上記突起を母料に押圧す
る工程とが大箱される。Welding method C according to the present invention includes a step of forming a projection on a workpiece in advance, a step of positioning the workpiece in such a manner that the projection is directed toward a base metal, and a step of aligning the workpiece with the base metal. 2) The process of generating an arc between the culms and the process of pressing the protrusions onto the base material are carried out in a large box.
本発明によれば、上記突起がアークスタッド溶接におけ
るスタッドの先端部として機能し、この突起の部分で被
溶接体と母材とが溶接される。According to the present invention, the projection functions as a tip of a stud in arc stud welding, and the object to be welded and the base metal are welded at the projection.
〔実施例] 以下、図面を参照しなから本光明の実施例を詳述する。〔Example] Hereinafter, embodiments of the present invention will be described in detail without reference to the drawings.
まず、本発明に応用されるアークスタッド溶接についC
簡単に説明づる。First, regarding arc stud welding applied to the present invention, C
Explain easily.
このアークスタッド溶接は、第2図に示づスタッド11
を母材12に溶接するさいに適用される。This arc stud welding is performed by stud 11 shown in FIG.
It is applied when welding to the base material 12.
このスタッド沿接Cは、スタッド11の略矢鍬状の先端
部と母材12間にアークを発生させ、このアークによっ
て両者を加熱層る。そして、両者が適当な加熱状態にな
ったときにスタッド11を母材12に圧接づることによ
って両者の溶接を行なう。This stud contact C causes an arc to be generated between the substantially arrow-shaped tip of the stud 11 and the base material 12, and the arc heats both. Then, when both are heated appropriately, the stud 11 is pressed against the base material 12 to weld them together.
このアークスタッド溶接の利点は、溶接時に必要とする
加圧力が数Kg捏度と低いことである。The advantage of this arc stud welding is that the pressure required during welding is as low as several kilograms of kneading.
本発明は、この利点に着目し、このアークスタッド溶接
の原理を応用している。°すなわら本発明では、第3図
(a>に示すように、予め被溶接物13に前記スタッド
11の先端部形状に近似した形状の突部14を形成して
いる。The present invention focuses on this advantage and applies the principle of arc stud welding. That is, in the present invention, as shown in FIG. 3(a), a protrusion 14 having a shape similar to the tip end shape of the stud 11 is formed in advance on the workpiece 13.
溶接時には、突部14が母材15側に向けられ、両者間
でアークが発生される。そして、アークスタッド溶接と
同様に、突部14と母材15が適当な温度に加熱された
状態で被溶接物13が加圧されこの結果、第3図(b)
に示したように被溶接物13が突起14の部位で母材1
5に溶接される。During welding, the protrusion 14 is directed toward the base metal 15, and an arc is generated between the two. Then, similarly to arc stud welding, the workpiece 13 is pressurized while the protrusion 14 and the base metal 15 are heated to an appropriate temperature, as shown in FIG. 3(b).
As shown in FIG.
Welded to 5.
第1図は、本発明の一実施態様を例示している。FIG. 1 illustrates one embodiment of the invention.
なJ3、同図において、第4図に示した要素と同の要素
には同一の符号が付されでいる。In this figure, the same elements as those shown in FIG. 4 are given the same reference numerals.
第1図に示す溶接ロボット16は、ワーク保持用治具1
7と、溶接ガン18と、被溶接物に加圧力を作用さゼる
図示していない加圧手段とを備え、図示していないロボ
ットコントローラによって自動運転される。The welding robot 16 shown in FIG.
7, a welding gun 18, and a pressurizing means (not shown) that applies pressurizing force to the workpiece, and is automatically operated by a robot controller (not shown).
なお、溶接ガン18は例えば銅系の材料で形成され、被
溶接物に面接触する先端形状を有している。また、ワー
ク保持用治具17には、磁力式またはバキューム式等の
保持手段が使用されている。Note that the welding gun 18 is made of, for example, a copper-based material, and has a tip shape that makes surface contact with the object to be welded. Further, the workpiece holding jig 17 uses holding means such as a magnetic force type or a vacuum type.
第1図に示す成型装置19は、上部アーム20および下
部アーム21と、それらのアームの基端部間に介在さゼ
た加圧用シリンダ22とを有し、パンチが付設されたア
ーム20の先端部とダイか付設されたアーム21の先端
部との間に被溶接物を挟んで1該被溶接物に第3図(a
)に例示したような突部14を成形する作用をなす。The molding device 19 shown in FIG. 1 has an upper arm 20, a lower arm 21, and a pressurizing cylinder 22 interposed between the proximal ends of these arms, and the tip of the arm 20 is equipped with a punch. The object to be welded is sandwiched between the part and the tip of the arm 21 to which the die is attached, and the
) functions to form a protrusion 14 as exemplified in FIG.
ロボット16は、図示されCいないパーツフィーダに配
列された被溶接物たる部品2.3.46よび5のうち、
まず部品2をワーク保持具17で保持して、これをパー
ツフィーダより取出す。そして、この部品2を成形装置
19の位置まで搬送する。The robot 16 picks up parts 2, 3, 46 and 5, which are objects to be welded, arranged in a parts feeder (not shown).
First, the part 2 is held by the workpiece holder 17 and taken out from the parts feeder. Then, this part 2 is transported to the position of the molding device 19.
ロボット16によって部品2が位置決めされると、成形
製@19が作動して該部品2に前記突起14が成形加工
される。なお、この部品2における突起14の成形位置
は、第5図に■印で示した仮付は位置に設定される。When the part 2 is positioned by the robot 16, the molding machine 19 is operated to form the protrusion 14 on the part 2. The molding position of the protrusion 14 in this part 2 is set at the temporary attachment position indicated by the black mark in FIG.
つぎにロボット16は、予めティーチングされた移動情
報に基づいて部品2を母材1上の所定位置に位置決めし
、その位置決め後、ガン18に給電して前記突起14(
第1図には示されていない。)と母材17間にアークを
発生させる。ついで、部品2に加圧力を作用させて部品
2を母材1に圧接し、これによって両者を溶接する。Next, the robot 16 positions the part 2 at a predetermined position on the base material 1 based on the movement information taught in advance, and after that positioning, the robot 16 supplies power to the gun 18 and the protrusion 14 (
Not shown in FIG. ) and the base material 17. Next, a pressurizing force is applied to the part 2 to press the part 2 to the base material 1, thereby welding the two together.
この結果、部品2が母材1に仮付けされるので、以後、
前記したスポット溶接用ガン6によって第5図にX印で
示した各点のスポット溶接が順次実行さる。上記仮付け
によって部品2が母材1に強く固定されるので、スポッ
ト溶接を行なうに当って固定用の治具は不要である。As a result, part 2 is temporarily attached to base material 1, so from now on,
The spot welding gun 6 described above sequentially performs spot welding at each point indicated by an X in FIG. Since the component 2 is strongly fixed to the base material 1 by the above-mentioned temporary attachment, a fixing jig is not required when performing spot welding.
なお、他の部品3〜5も同様の態様で母材1に仮付は溶
接され、第5図にはそれらの部品仮付は位置が■印でそ
れぞれ例示されている。The other parts 3 to 5 are tack welded to the base material 1 in a similar manner, and in FIG. 5, the positions of these parts tack welded are indicated by black marks.
このように、この実施例によれば磁力式、バキューム式
、フック式等の簡易保持治具を位置決め用の治具として
用いることができるので、個々の部品専用の治具が不要
となる。As described above, according to this embodiment, a simple holding jig such as a magnetic type, a vacuum type, a hook type, etc. can be used as a positioning jig, so that a jig dedicated to each component is not required.
(発明の効果]
上述したように本発明によれば、位置決め用冶貝の簡易
化を図ることができる。したがって設備コストを大幅に
低減でき、かつ他品種、小母生産を効率よ〈実施するこ
とができる。また、軽可搬式l」ボットを用いた位置決
め溶接作業が可能になるという利点も得られる。(Effects of the Invention) As described above, according to the present invention, it is possible to simplify the positioning shell.Therefore, the equipment cost can be significantly reduced, and the production of other varieties and small shells can be carried out efficiently. Another advantage is that it becomes possible to perform positional welding work using a light and portable l''bot.
第1図は本発明に係る溶接方法の一実施例を示した斜視
図、第2図はアークスタッド溶接の説明図、第3図(a
)および(b)はそれぞれ突部の一例および被溶接物が
母料に溶接された状態を示す概16・・・溶接ロボット
、17・・・ワーク保持具、18・・・溶接ガン、19
・・・成形装置。Figure 1 is a perspective view showing an embodiment of the welding method according to the present invention, Figure 2 is an explanatory diagram of arc stud welding, and Figure 3 (a
) and (b) respectively show an example of a protrusion and a state in which a workpiece to be welded is welded to a base metal.
...Molding equipment.
Claims (1)
決めする工程と、 上記突起と母材との間でアークを発生させる工程と、 上記突起を母材に押圧する工程と を有した溶接方法。[Claims] A step of forming a projection in advance on a part to be welded, a step of positioning the object to be welded in such a manner that the projection is directed toward the base material, and generating an arc between the projection and the base material. A welding method comprising: a step of pressing the protrusion against a base material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21725088A JPH0263685A (en) | 1988-08-31 | 1988-08-31 | Welding method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21725088A JPH0263685A (en) | 1988-08-31 | 1988-08-31 | Welding method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0263685A true JPH0263685A (en) | 1990-03-02 |
Family
ID=16701204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21725088A Pending JPH0263685A (en) | 1988-08-31 | 1988-08-31 | Welding method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0263685A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5136819A (en) * | 1990-02-02 | 1992-08-11 | Masakuni Takagi | Method for mirror polishing of ti-made magnetic disk substrate |
-
1988
- 1988-08-31 JP JP21725088A patent/JPH0263685A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5136819A (en) * | 1990-02-02 | 1992-08-11 | Masakuni Takagi | Method for mirror polishing of ti-made magnetic disk substrate |
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