CN204771106U - Bottom electrode is used in welding of car nut - Google Patents
Bottom electrode is used in welding of car nut Download PDFInfo
- Publication number
- CN204771106U CN204771106U CN201520408226.5U CN201520408226U CN204771106U CN 204771106 U CN204771106 U CN 204771106U CN 201520408226 U CN201520408226 U CN 201520408226U CN 204771106 U CN204771106 U CN 204771106U
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- Prior art keywords
- bottom electrode
- hole
- welding
- nut
- electrode body
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- Expired - Fee Related
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Abstract
The utility model discloses a bottom electrode is used in welding of car nut, including the bottom electrode body, bottom electrode body one end is equipped with the connector, and the other end is equipped with the electrode end cover, be equipped with the inlet port on the bottom electrode body, the electrode tip is covered and is equipped with the through -hole, and the inlet port is linked together with the through -hole. Link to each other through inlet port and outside air supply, utilize compressed air when nut welding burr melts, blow off the screw thread outside, guarantee the screw thread serviceable condition to improve product percent of pass and production efficiency, reduce cost.
Description
Technical field
The utility model relates to Automobile Welding technical field, especially relates to a kind of automobile nut-welding bottom electrode.
Background technology
In automobile chassis production process, need welded nut technique to reach the order ground of Assembly of the parts.Fixed projection welder is compressed between two electrodes by welded piece, and impose electric current, and the resistance heat effect utilizing electric current to flow through functional contact face and adjacent domain generation is heated thawing or mecystasis, makes it a kind of technique forming corrupt split.
During nut-welding, by welded nut there being small burr, during welding, burr thawing enters in screw thread, forms threading defects, causes bolt to be normally screwed into, affect production efficiency and quality.
Utility model content
Not enough for prior art, technical problem to be solved in the utility model is to provide a kind of automobile nut-welding bottom electrode, with reach stop nut-welding time burr melt the object entered in screw thread.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of automobile nut-welding bottom electrode, comprise bottom electrode body, described bottom electrode body one end is provided with connector, and the other end is provided with electrode end cap, and described bottom electrode body is provided with air admission hole, and electrode tip covers and is provided with through hole, and air admission hole is connected with through hole.
Further, described air admission hole is connected with external air source.
Be provided with Cooling Holes in described connector, described Cooling Holes is connected with outside cooling water pipe.
Described bottom electrode body is connected with electric motor end cap and holds as internal thread hole, and internal thread hole is connected with air admission hole.
Described electrode end cap one end is provided with the external screw thread suitable with internal thread hole, and electrode end cap other end excircle is provided with the locating surface corresponding with welded nut.
The utility model compared with prior art, has the following advantages:
Bottom electrode body is provided with air admission hole, is connected with external air source by air admission hole, utilizes compressed air when nut-welding burr melts, and outside blowout screw thread, ensures screw thread serviceable condition, thus improves product percent of pass and production efficiency, reduce costs.
Accompanying drawing explanation
Below the content expressed by each width accompanying drawing of this description and the mark in figure are briefly described:
Fig. 1 is the utility model lower electrode arrangement schematic diagram.
Fig. 2 is the utility model bottom electrode sectional view.
Fig. 3 is the utility model electrode end cap structural representation.
Fig. 4 is the left view of Fig. 3.
In figure: 1. bottom electrode body, 2. connector, 3. air admission hole, 4. internal thread hole, 5. electrode end cap.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, detailed description of the invention of the present utility model is described in further detail.
As shown in Figures 1 to 4, this automobile nut-welding bottom electrode, comprise bottom electrode body 1, bottom electrode body 1 is cylindrical structure, wherein, bottom electrode body 1 one end is provided with connector 2, be provided with blind hole in connector 2, connector 2 outer surface is taper seat, is convenient to be connected with the cooling water pipe of outside, blind hole is Cooling Holes, is cooled bottom electrode body by cooling water.
The other end of bottom electrode body 1 is provided with electrode end cap 5, and electrode end cap 5 is coordinated by internal and external threads with bottom electrode body 1 other end, is convenient to remove and install.
The other end of bottom electrode body 1 is internal thread hole 4, and electrode end cap 5 one end is provided with the external screw thread suitable with the internal thread in internal thread hole, and electrode end cap is arranged on the bottom electrode body other end by screw thread.
Bottom electrode body 1 is provided with air admission hole 3 on the hole wall of the internal thread hole of internal thread hole end, and air admission hole 3 is connected with internal thread hole, and air admission hole is connected with external air source by tracheae, enters Compressed Gas by air admission hole.
Electrode end cap 5 other end excircle is provided with the locating surface corresponding with welded nut; During welding, be convenient to dock with welded nut by locating surface, utilize compressed air when nut-welding burr melts, outside blowout screw thread, ensure screw thread serviceable condition, thus improve product percent of pass and production efficiency.
By reference to the accompanying drawings the utility model is exemplarily described above; obvious the utility model specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that design of the present utility model and technical scheme are carried out; or design of the present utility model and technical scheme directly applied to other occasion, all within protection domain of the present utility model without to improve.
Claims (5)
1. an automobile nut-welding bottom electrode, comprises bottom electrode body, and described bottom electrode body one end is provided with connector, the other end is provided with electrode end cap, it is characterized in that: described bottom electrode body is provided with air admission hole, electrode tip covers and is provided with through hole, and air admission hole is connected with through hole.
2. automobile nut-welding bottom electrode as claimed in claim 1, is characterized in that: described air admission hole is connected with external air source.
3. automobile nut-welding bottom electrode as claimed in claim 1, is characterized in that: be provided with Cooling Holes in described connector, and described Cooling Holes is connected with outside cooling water pipe.
4. automobile nut-welding bottom electrode as claimed in claim 1, is characterized in that: described bottom electrode body is connected with electric motor end cap and holds as internal thread hole, and internal thread hole is connected with air admission hole.
5. automobile nut-welding bottom electrode as claimed in claim 4, it is characterized in that: described electrode end cap one end is provided with the external screw thread suitable with internal thread hole, electrode end cap other end excircle is provided with the locating surface corresponding with welded nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408226.5U CN204771106U (en) | 2015-06-11 | 2015-06-11 | Bottom electrode is used in welding of car nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408226.5U CN204771106U (en) | 2015-06-11 | 2015-06-11 | Bottom electrode is used in welding of car nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204771106U true CN204771106U (en) | 2015-11-18 |
Family
ID=54511232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520408226.5U Expired - Fee Related CN204771106U (en) | 2015-06-11 | 2015-06-11 | Bottom electrode is used in welding of car nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204771106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262047A (en) * | 2018-11-27 | 2019-01-25 | 洛阳理工学院 | The method of processing keyway and the axis with keyway in a kind of shaft end blind hole |
-
2015
- 2015-06-11 CN CN201520408226.5U patent/CN204771106U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262047A (en) * | 2018-11-27 | 2019-01-25 | 洛阳理工学院 | The method of processing keyway and the axis with keyway in a kind of shaft end blind hole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160611 |