CN204366256U - Be suitable for the electrode solving spot welding coreless - Google Patents
Be suitable for the electrode solving spot welding coreless Download PDFInfo
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- CN204366256U CN204366256U CN201520002739.6U CN201520002739U CN204366256U CN 204366256 U CN204366256 U CN 204366256U CN 201520002739 U CN201520002739 U CN 201520002739U CN 204366256 U CN204366256 U CN 204366256U
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Abstract
The utility model relates to a kind of electrode being suitable for solving spot welding coreless, and it comprises: top electrode and bottom electrode, and top electrode head is circular flat, and bottom electrode head is square planar.The upper and lower electrode head of electrode of the present utility model all adopts special outline planar design, the contact surface plane by special outline changes spot welding current field, nugget is offset to large part end, simultaneously, because heat transmission is relevant with the contact area of part with electrode, thus can reduce by the first part a and hold heat radiation, increase by the second part b and hold heat radiation, solve the problem of core skew.
Description
Technical field
The utility model relates to a kind of electrode, specifically a kind of electrode being suitable for solution spot welding coreless.
Background technology
Available engine part (densification device steel bushing assembly), be the outer shroud of densification device, material is 1Cr18Ni9Ti, to be welded combine (as Fig. 1 and Fig. 2) by two kind of first part a with the second part b resistance spot welding.Because two kinds of External Shapes exist significant difference, part b small-sized (as Fig. 3), causes being difficult to form welding core.
Second part b need be welded to the first part a madial wall by resistance spot welding; first part a is hollow cylinder; second part b is rectangular block shape body; because the size length × wide × height of the second part b is 4.25mm × 2.5mm × 1.25mm; length and width is small-sized; and electrode pressure generally reaches 0.15MPa during spot welding; electric current reaches several thousand A; and existing electrode head is generally in hemisphere face shape; due to size difference, heat skew when causing the second part b spot welding, very easily conquassation or coreless; if do not taked special measure, effective welding cannot be realized.
Utility model content
Technical problem to be solved in the utility model is to provide and a kind ofly can realizes two kinds of profiles and there is effective welding of the part of significant difference, be suitable for solving the electrode of spot welding coreless.
For solving the problems of the technologies described above, the utility model provides a kind of electrode being suitable for solving spot welding coreless, and it comprises: top electrode and bottom electrode, and top electrode head is circular flat, and the head of bottom electrode is square planar
.
For ensureing radiating effect and current field, the size of top electrode should be tried one's best greatly, and its size should be able to cover the second part b, and need to put into soldering part a, circle is easy to processing, therefore top electrode is designed to circular flat; Bottom electrode is as far as possible little, and to reduce the heat radiation of the first part a, but its size can not be less than the second part b, otherwise during spot welding, the lateral surface of the first part a extrudes dell due to support electrode face little Yi, does not ensure spare part outside measurement requirement, thus bottom electrode is designed to square planar.
Concrete, the diameter of the circular flat of described top electrode head is 6mm, the size of the square planar of described bottom electrode head is long × wide is 5mm × 3mm, circular flat is suitable for covering the second part b completely, increase heat radiation during the second part b spot welding, square planar is suitable for using at the lateral surface of the first part a.
During use, upper and lower electrode head is connected with the second part b, the first part a respectively, by the first part a is contacted with the second part b, and logical big current, exothermic melting because there being resistance between the first part a and the second part b, thus weld together to obtain final weldment.
Technique effect of the present utility model: the upper and lower electrode head of electrode of the present utility model all adopts special outline planar design, the contact surface plane by special outline changes spot welding current field, nugget is offset to large part end, simultaneously, because heat transmission is relevant with the contact area of part with electrode, thus can reduce by the first part a and hold heat radiation, increase by the second part b and hold heat radiation, solve the problem of core skew.
Accompanying drawing explanation
Below in conjunction with Figure of description, the utility model is described in further detail:
Fig. 1 is the structural representation of the weldment of part a and b;
Fig. 2 is the B-B sectional view of Fig. 1;
Fig. 3 is the structural representation of part b;
Fig. 4 is the structural representation of top electrode;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the structural representation of bottom electrode;
Fig. 7 is the left view of Fig. 6.
Detailed description of the invention
The present embodiment relates to a kind of electrode being suitable for solving spot welding coreless, and it comprises: top electrode 1 and bottom electrode 2, top electrode head 11 is circular flat, and bottom electrode head 22 is square planar.
The diameter of the circular flat of described top electrode head 11 is 6mm, and the size of the square planar of described bottom electrode head 22 is long × wide is 5mm × 3mm.
During use, upper and lower electrode head is connected with the second part b, the first part a respectively, by the first part a is contacted with the second part b, and logical big current, exothermic melting because there being resistance between the first part a and the second part b, thus weld together to obtain final weldment.
Obviously, above-described embodiment is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And these belong to spirit institute's apparent change of extending out of the present utility model or change and are still among protection domain of the present utility model.
Claims (2)
1. be suitable for the electrode solving spot welding coreless, it comprises: top electrode (1) and bottom electrode (2), it is characterized in that: top electrode head (11) is circular flat, bottom electrode head (22) is square planar.
2. be suitable for the electrode solving spot welding coreless as claimed in claim 1, it is characterized in that: the diameter of the circular flat of described top electrode head (11) is 6mm, the size of the square planar of described bottom electrode head (22) is long × wide is 5mm × 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520002739.6U CN204366256U (en) | 2014-11-03 | 2015-01-04 | Be suitable for the electrode solving spot welding coreless |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650166 | 2014-11-03 | ||
| CN2014206501663 | 2014-11-03 | ||
| CN201520002739.6U CN204366256U (en) | 2014-11-03 | 2015-01-04 | Be suitable for the electrode solving spot welding coreless |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204366256U true CN204366256U (en) | 2015-06-03 |
Family
ID=53322504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520002739.6U Expired - Fee Related CN204366256U (en) | 2014-11-03 | 2015-01-04 | Be suitable for the electrode solving spot welding coreless |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204366256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817756A (en) * | 2014-11-03 | 2016-08-03 | 常州兰翔机械有限责任公司 | Electrode and work method solving spot welding non-core problem |
-
2015
- 2015-01-04 CN CN201520002739.6U patent/CN204366256U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817756A (en) * | 2014-11-03 | 2016-08-03 | 常州兰翔机械有限责任公司 | Electrode and work method solving spot welding non-core problem |
| CN108857029A (en) * | 2014-11-03 | 2018-11-23 | 中国航发常州兰翔机械有限责任公司 | Solve the electrode of engine part spot welding coreless |
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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 |
Granted publication date: 20150603 Termination date: 20200104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |