JPH0739495Y2 - Lathe processing jig for welding electrode tip - Google Patents
Lathe processing jig for welding electrode tipInfo
- Publication number
- JPH0739495Y2 JPH0739495Y2 JP14187189U JP14187189U JPH0739495Y2 JP H0739495 Y2 JPH0739495 Y2 JP H0739495Y2 JP 14187189 U JP14187189 U JP 14187189U JP 14187189 U JP14187189 U JP 14187189U JP H0739495 Y2 JPH0739495 Y2 JP H0739495Y2
- Authority
- JP
- Japan
- Prior art keywords
- electrode tip
- mounting member
- mounting
- positioning
- lathe
- 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.)
- Expired - Fee Related
Links
- 238000003466 welding Methods 0.000 title claims description 14
- 239000010953 base metal Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Jigs For Machine Tools (AREA)
- Gripping On Spindles (AREA)
Description
【考案の詳細な説明】 考案の目的 ［産業上の利用分野］ この考案は例えば点溶接用の電極チップを再利用するた
めに旋盤により加工するとき使用する治具に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION Object of the Invention [Industrial field of application] The present invention relates to a jig used when lathe processing is performed to reuse an electrode tip for spot welding, for example.
［従来の技術及び考案が解決しようとする課題］ 従来、点溶接においては、電極チップをある打点数以上
使用すると、電極チップの先端部（溶接母材接触面）に
酸化被膜が付着したり、溶接時の発熱（400〜500℃）で
電極チップの先端部が変形して溶接母材接触面が大きく
なり、電流密度が低下して溶接強度不足の原因となって
いた。そのため、このような電極チップは消耗品として
使い捨てていた。[Problems to be Solved by Conventional Techniques and Inventions] Conventionally, in spot welding, when an electrode tip is used for a certain number of points or more, an oxide film is attached to the tip portion (welding base metal contact surface) of the electrode tip, The tip of the electrode tip was deformed by the heat generated during welding (400-500 ° C), the contact surface of the welding base metal became large, and the current density decreased, causing insufficient welding strength. Therefore, such an electrode tip has been disposable as a consumable item.
そこで、このような電極チップを旋盤により容易に加工
できるようにして再利用可能にしたものが本考案の治具
である。Therefore, the jig of the present invention is one in which such an electrode tip can be easily processed by a lathe so that it can be reused.
考案の構成 ［課題を解決するための手段］ この目的に鑑み本考案に係る溶接用電極チップの旋盤加
工治具は、後記する実施例の図面に示すように、溶接用
電極チップ８を取付ける取付孔14を有する取付部材11
と、旋盤のチャックに取付けられる支持部２を有すると
ともに、前記取付部材11の取付孔14の回転中心14aがこ
の支持部２の回転中心2aに対して偏心するように取付部
材11を移動調節可能に取付けた案内部３を有する固定部
材１と、前記取付部材11が固定部材１に対し移動しない
ように取付部材11と固定部材１との間に設けた位置決め
手段4,13,16,17とを備えたものである。Configuration of the Invention [Means for Solving the Problem] In view of this object, a lathe jig for welding electrode tips according to the present invention is mounted to attach welding electrode tips 8 as shown in the drawings of the embodiments described later. Mounting member 11 having holes 14
With the support portion 2 attached to the chuck of the lathe, the attachment member 11 can be moved and adjusted so that the rotation center 14a of the attachment hole 14 of the attachment member 11 is eccentric with respect to the rotation center 2a of the support portion 2. A fixed member 1 having a guide portion 3 attached to the fixed member 1, and positioning means 4, 13, 16, 17 provided between the fixed member 1 and the fixed member 1 so that the fixed member 1 does not move. It is equipped with.
［作用］ さて、このように構成された治具はその固定部材１の支
持部２で旋盤のチャックに取付けられる。電極チップ８
は取付部材11の取付孔14に挿着される。そして、取付部
材11を移動調節する。取付部材11の取付孔14の回転中心
14aが固定部材１の支持部２の回転中心2aに対し所定の
偏心量ｅになったところで、位置決め手段4,13,16,17に
より取付部材11を固定部材１に対し位置決めする。[Operation] Now, the jig thus constructed is attached to the chuck of the lathe by the supporting portion 2 of the fixing member 1. Electrode tip 8
Is inserted into the attachment hole 14 of the attachment member 11. Then, the mounting member 11 is moved and adjusted. Center of rotation of the mounting hole 14 of the mounting member 11
When 14a reaches a predetermined eccentric amount e with respect to the rotation center 2a of the support portion 2 of the fixed member 1, the mounting member 11 is positioned with respect to the fixed member 1 by the positioning means 4, 13, 16 and 17.
このようにして治具に電極チップ８をセットした後、旋
盤のチャックを回転させると、電極チップ８が加工され
て再利用可能な形状となる。When the chuck of the lathe is rotated after the electrode tip 8 is set on the jig in this way, the electrode tip 8 is processed into a reusable shape.
［実施例］ 以下、本考案の一実施例を図面に従って説明する。[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.
第１〜４図に示すように、固定部材１は旋盤のチャック
（図示せず）に取付けられる円柱状の支持部２と、この
支持部２の一端面側に設けられた案内部３とからなる。
この案内部３においては、支持部２の一端面から一対の
位置決め突条４が突設されてこの両位置決め突条４間に
案内溝５が形成され、各両位置決め突条４の両側には側
板６がボルト6aにより固定されて両側板６と両位置決め
突条４との間で案内溝５が囲われるようになっている。
両側板６間には雄ねじ棒７が回転可能に支持され、一方
の側板６の外側で雄ねじ棒７の外端部に操作つまみ7aが
取着されている。As shown in FIGS. 1 to 4, the fixing member 1 is composed of a cylindrical support portion 2 attached to a chuck (not shown) of a lathe, and a guide portion 3 provided on one end surface side of the support portion 2. Become.
In this guide part 3, a pair of positioning protrusions 4 are provided so as to project from one end surface of the support part 2 and a guide groove 5 is formed between the both positioning protrusions 4, and on both sides of each of the positioning protrusions 4. The side plate 6 is fixed by a bolt 6a so that the guide groove 5 is surrounded between the both side plates 6 and both the positioning projections 4.
A male screw rod 7 is rotatably supported between both side plates 6, and an operating knob 7a is attached to an outer end portion of the male screw rod 7 outside one of the side plates 6.
第５図及び第６図に示す点溶接用電極チップ８はテーパ
軸部９と頭部10とからなり、この頭部10にはテーパ軸部
９の軸心に対し偏心する溶接母材接触面としての先端部
10aが形成されている。このような偏心電極チップ８は
ワークや治具等に干渉する場合に使用する。The electrode tip 8 for spot welding shown in FIGS. 5 and 6 comprises a tapered shaft portion 9 and a head portion 10. The head portion 10 has a welding base metal contact surface eccentric with respect to the axial center of the tapered shaft portion 9. As the tip
10a is formed. Such an eccentric electrode tip 8 is used when it interferes with a work or a jig.
このような電極チップ８を位置決めする取付部材11は前
記案内部３の案内溝５に挿入される嵌着筒12と、この嵌
着筒12の外周両側に突設された位置決め板13とからな
る。この嵌着筒12は前記雄ねじ棒７に螺合されている。
嵌着筒12の中心部にはテーパ状の取付孔14が形成され、
前記電極チップ８のテーパ軸部９が挿嵌されるようにな
っている。嵌着筒12の外端面には一対の係止突条15が形
成され、前記電極チップ８の頭部10の両平面部10bがこ
の両係止突条15に当てがわれて電極チップ８が取付部材
11に対し回転しないようになっている。The mounting member 11 for positioning the electrode tip 8 is composed of a fitting cylinder 12 inserted into the guide groove 5 of the guide portion 3 and positioning plates 13 protruding from both sides of the outer circumference of the fitting cylinder 12. . The fitting cylinder 12 is screwed onto the male screw rod 7.
A tapered mounting hole 14 is formed in the center of the fitting tube 12,
The taper shaft portion 9 of the electrode tip 8 is inserted and fitted. A pair of locking projections 15 are formed on the outer end surface of the fitting tube 12, and both flat surface portions 10b of the head portion 10 of the electrode chip 8 are applied to the locking projections 15 so that the electrode chip 8 is Mounting member
It does not rotate with respect to 11.
前記取付部材11の両位置決め板13には前記固定部材１の
案内部３の雄ねじ棒７の軸線に沿って延びる長孔13aが
形成されている。この案内部３の両位置決め突条４に対
応して両側板６間で挾持板16が取付部材11の位置決め板
13に当てがわれ、この両挾持板16に挿通された位置決め
ボルト17が位置決め板13の長孔13aを通して位置決め突
条４に螺合されている。そして、この位置決めボルト17
を締付けると、両位置決め板13が位置決め突条４と挾持
板16との間で挾持されて取付部材11が固定部材１に対し
て移動しないように位置決めされるようになっている。The positioning plate 13 of the mounting member 11 is formed with a long hole 13a extending along the axis of the male screw rod 7 of the guide portion 3 of the fixing member 1. Corresponding to both the positioning ridges 4 of the guide portion 3, the holding plate 16 between the both side plates 6 is the positioning plate of the mounting member 11.
Positioning bolts 17 which are applied to the holding plates 13 and are inserted into the two holding plates 16 are screwed into the positioning protrusions 4 through the long holes 13 a of the positioning plate 13. And this positioning bolt 17
By tightening, the positioning plates 13 are clamped between the positioning ridges 4 and the clamping plates 16 and the mounting member 11 is positioned so as not to move with respect to the fixed member 1.
さて、このように構成された治具はその固定部材１の支
持部２で旋盤のチャックに取付けられる。偏心電極チッ
プ８はそのテーパ軸部９で取付部材11の嵌着筒12の取付
孔14に挿嵌されて頭部10の両平面部10bで取付部材11の
両係止突条15に係止される。そして、位置決めボルト17
を緩めた状態で、雄ねじ棒７の操作つまみ7aを回転させ
ると、取付部材11がこの雄ねじ棒７の軸線に沿って移動
する。取付部材11の取付孔14の回転中心14aが固定部材
１の支持部２の回転中心2aに対し所定の偏心量ｅになっ
たところで、位置決めボルト17を締付けると、取付部材
11は固定部材１に対し位置決めされる。Now, the jig thus constructed is attached to the chuck of the lathe by the supporting portion 2 of the fixing member 1. The eccentric electrode tip 8 is inserted into the mounting hole 14 of the fitting tube 12 of the mounting member 11 by the taper shaft portion 9 thereof and is locked by the both locking projections 15 of the mounting member 11 at both flat surface portions 10b of the head 10. To be done. And positioning bolt 17
When the operating knob 7a of the male screw rod 7 is rotated in the state of being loosened, the mounting member 11 moves along the axis of the male screw rod 7. When the center of rotation 14a of the mounting hole 14 of the mounting member 11 reaches a predetermined eccentric amount e with respect to the center of rotation 2a of the support portion 2 of the fixed member 1, the positioning bolt 17 is tightened.
11 is positioned with respect to the fixed member 1.
このようにして治具に偏心電極チップ８をセットした
後、旋盤のチャックを回転させると、電極チップ８の頭
部10の端面が加工されて電極チップ８が再利用可能な形
状となる。After setting the eccentric electrode tip 8 on the jig in this way and then rotating the chuck of the lathe, the end face of the head 10 of the electrode tip 8 is processed, and the electrode tip 8 becomes a reusable shape.
このようにして本実施例の治具を利用すれば、電極チッ
プ８の先端部10aに酸化被膜が付着したり、溶接時の発
熱により同先端部10aが変形しても、電極チップ８をす
ぐに使い捨てる必要がなくなり、電極チップ８の寿命が
向上する。In this way, by using the jig of this embodiment, even if an oxide film is attached to the tip 10a of the electrode tip 8 or the tip 10a is deformed due to heat generated during welding, the electrode tip 8 is immediately removed. Since it is not necessary to dispose of the electrode tip 8, the life of the electrode tip 8 is improved.
考案の効果 本考案の治具を利用すれば、電極チップ８を旋盤により
容易に加工でき、電極チップ８をすぐに使い捨てる必要
がなくなり、電極チップ８の再利用によりその寿命が向
上する。Effect of the Invention By using the jig of the present invention, the electrode tip 8 can be easily processed by a lathe, it is not necessary to immediately dispose of the electrode tip 8, and the life of the electrode tip 8 is improved by reusing it.
第１図は本実施例に係る治具を示す側面図、第２図は同
じく側断面図、第３図は同じく正面図、第４図は第２図
のＸ−Ｘ線断面図、第５図は偏心電極チップの側面図、
第６図は同じく正面図である。 １……固定部材、２……支持部、３……案内部、４……
位置決め突条、８……電極チップ、11……取付部材、13
……位置決め板、14……取付孔、16……挾持板、17……
位置決めボルト、ｅ……偏心量。FIG. 1 is a side view showing a jig according to this embodiment, FIG. 2 is a side sectional view of the same, FIG. 3 is a front view of the same, and FIG. 4 is a sectional view taken along line XX of FIG. The figure shows a side view of the eccentric electrode tip,
FIG. 6 is a front view of the same. 1 ... Fixing member, 2 ... Supporting part, 3 ... Guide part, 4 ...
Positioning ridge, 8 ... Electrode tip, 11 ... Mounting member, 13
…… Positioning plate, 14 …… Mounting hole, 16 …… Clamping plate, 17 ……
Positioning bolt, e ... Eccentric amount.
Claims (1)
（14）を有する取付部材（11）と、 旋盤のチャックに取付けられる支持部（２）を有すると
ともに、前記取付部材（11）の取付孔（14）の回転中心
（14a）がこの支持部（２）の回転中心（2a）に対し偏
心するように取付部材（11）を移動調節可能に取付けた
案内部（３）を有する固定部材（１）と、 前記取付部材（11）が固定部材（１）に対し移動しない
ように取付部材（11）と固定部材（１）との間に設けた
位置決め手段（4,13,16,17）とを備えたことを特徴とす
る溶接用電極チップの旋盤加工治具。1. A mounting member (11) having a mounting hole (14) for mounting a welding electrode tip (8), and a supporting portion (2) mounted on a chuck of a lathe, and the mounting member (11) Fixing having a guide part (3) movably mounted on a mounting member (11) so that the rotation center (14a) of the mounting hole (14) is eccentric to the rotation center (2a) of the support part (2). A member (1) and a positioning means (4, 13, 16,) provided between the mounting member (11) and the fixing member (1) so that the mounting member (11) does not move with respect to the fixing member (1). 17) A lathe jig for welding electrode tips, characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14187189U JPH0739495Y2 (en) | 1989-12-07 | 1989-12-07 | Lathe processing jig for welding electrode tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14187189U JPH0739495Y2 (en) | 1989-12-07 | 1989-12-07 | Lathe processing jig for welding electrode tip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0381275U JPH0381275U (en) | 1991-08-20 |
| JPH0739495Y2 true JPH0739495Y2 (en) | 1995-09-13 |
Family
ID=31688731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14187189U Expired - Fee Related JPH0739495Y2 (en) | 1989-12-07 | 1989-12-07 | Lathe processing jig for welding electrode tip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0739495Y2 (en) |
-
1989
- 1989-12-07 JP JP14187189U patent/JPH0739495Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0381275U (en) | 1991-08-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |