JPH01128986U - - Google Patents
Info
- Publication number
- JPH01128986U JPH01128986U JP2672188U JP2672188U JPH01128986U JP H01128986 U JPH01128986 U JP H01128986U JP 2672188 U JP2672188 U JP 2672188U JP 2672188 U JP2672188 U JP 2672188U JP H01128986 U JPH01128986 U JP H01128986U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- base
- pressure surface
- projection welding
- nut
- 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
- 238000003466 welding Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
Landscapes
- Resistance Welding (AREA)
Description
第１図は本考案に係る電極チツプ構造の一実施
例を示す部分断面図、第２図はナツトの一例を示
す斜視図、第３図は電極チツプの一例を示す斜視
図、第４図は電極チツプ構造の従来例を示す図、
第５図ａ〜ｄは従来の一般的な電極チツプを示す
図である。
１：板材、１０：ナツト、１１：基部、１２：
ナツト部、１３：突部、２０：上側電極チツプ、
２１：凹部、２２：先端加圧面、３０：下側電極
チツプ、３１：凹部、３２：先端加圧面、ＣＨ：
冷却用穴。
FIG. 1 is a partial cross-sectional view showing an example of an electrode chip structure according to the present invention, FIG. 2 is a perspective view showing an example of a nut, FIG. 3 is a perspective view showing an example of an electrode chip, and FIG. 4 is a perspective view showing an example of an electrode chip structure. A diagram showing a conventional example of an electrode chip structure,
Figures 5a to 5d are diagrams showing conventional general electrode chips. 1: Plate material, 10: Nut, 11: Base, 12:
Nut part, 13: Projection, 20: Upper electrode chip,
21: recess, 22: tip pressure surface, 30: lower electrode chip, 31: recess, 32: tip pressure surface, CH:
Cooling holes.
Claims (1)
ト部と基部裏面に突設される突部とを有するプロ
ジエクシヨン溶接用ナツトを板材に押圧挟持して
プロジエクシヨン溶接するプロジエクシヨン溶接
装置の電極チツプ構造であつて、 上側電極チツプの先端には前記ナツト部を遊嵌
する凹部が設けられ、この凹部を囲む前記上側電
極チツプの先端面には前記薄肉基部を押圧する環
状の先端加圧面が形成され、下側電極チツプの先
端には、前記上側電極チツプの先端加圧面に対応
する環状の先端加圧面が形成されるとともにこの
先端加圧面に囲まれて凹部が形成されていること
を特徴とするプロジエクシヨン溶接装置の電極チ
ツプ構造。[Claims for Utility Model Registration] A projection welding nut having a thin plate-like base, a nut portion protruding from the base, and a protrusion protruding from the rear surface of the base is pressed and held between plate materials to produce a projection welding nut. The electrode tip structure of a projection welding device for excision welding is such that the tip of the upper electrode tip is provided with a recess into which the nut portion is loosely fitted, and the tip surface of the upper electrode tip surrounding this recess is provided with the An annular tip pressure surface that presses the thin base is formed, and an annular tip pressure surface that corresponds to the tip pressure surface of the upper electrode chip is formed at the tip of the lower electrode chip and is surrounded by this tip pressure surface. An electrode tip structure for a projection welding device, characterized in that a concave portion is formed in the electrode tip structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988026721U JPH034455Y2 (en) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988026721U JPH034455Y2 (en) | 1988-02-29 | 1988-02-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01128986U true JPH01128986U (en) | 1989-09-01 |
| JPH034455Y2 JPH034455Y2 (en) | 1991-02-05 |
Family
ID=31248605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988026721U Expired JPH034455Y2 (en) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034455Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5142834U (en) * | 1974-09-25 | 1976-03-30 | ||
| JPS5770090A (en) * | 1980-10-18 | 1982-04-30 | Mazda Motor Corp | Method for welding of nut to sheet |
-
1988
- 1988-02-29 JP JP1988026721U patent/JPH034455Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5142834U (en) * | 1974-09-25 | 1976-03-30 | ||
| JPS5770090A (en) * | 1980-10-18 | 1982-04-30 | Mazda Motor Corp | Method for welding of nut to sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH034455Y2 (en) | 1991-02-05 |
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