CN206869301U - A kind of resistance spot welding prepressing device - Google Patents
A kind of resistance spot welding prepressing device Download PDFInfo
- Publication number
- CN206869301U CN206869301U CN201720317918.8U CN201720317918U CN206869301U CN 206869301 U CN206869301 U CN 206869301U CN 201720317918 U CN201720317918 U CN 201720317918U CN 206869301 U CN206869301 U CN 206869301U
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- China
- Prior art keywords
- test specimen
- sliding clamp
- electrode
- hold
- down support
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- 238000003466 welding Methods 0.000 title claims abstract description 21
- 238000002474 experimental method Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Resistance Welding (AREA)
Abstract
A kind of resistance spot welding prepressing device is the utility model is related to, belongs to jig Design field.The utility model includes hold-down support, interior hexagonal screw rod, nut, spring, sliding clamp, test specimen bearing；Hold-down support is installed with Top electrode bar interference fit, wiper block coordinates with electrode stem gap, hold-down support is equipped with counter sink and electrode unthreaded hole with sliding clamp, it is connected between hold-down support and sliding clamp by two interior hexagonal screw rods and nut, spring is placed between the two, and test specimen bearing is installed with bottom electrode bar interference fit.The utility model can improve the test specimen in resistance spot welding process and both ends warpage occurs because pressure is larger between electrode points, ensure the smooth of test specimen；Two plates do not have precompressed to produce spatter thing when improving spot welding, cause welding quality to reduce；Avoid holding test specimen in experimentation, the security of experiment can be improved；Device is simple to operate, improves conventional efficient, avoids clamping test specimen repeatedly.
Description
Technical field
A kind of resistance spot welding prepressing device is the utility model is related to, belongs to jig Design field.
Background technology
Resistance spot welding has metallurgical process simple, and the heat time is short, and heat is concentrated, simple to operate without filling metal, raw
Efficiency high is produced, the advantages that mechanization and high automaticity, is widely used in space flight and aviation, automobile, light industry household electrical appliances, instrument
The industries such as instrument.Spot-welding technology is very easy to lead due to the change of the parameters such as electrode pressure, conduction time, wlding surface appearance
Test specimen is caused warpage occur；Due to no pre-pressing force, electrode pressure is too small to produce spatter thing, cause strength of joint to drop
It is low.At present, when resistance spot welding is tested, tested using hand-held test specimen, test specimen is not fixed pre-pressing, can not only be led
Causing test specimen warpage and strength of joint occur reduces, and certain potential safety hazard be present.Also there is nothing good in this case
Good ameliorative way, therefore be badly in need of wanting the defects of a kind of resistance spot welding prepressing device is to overcome existing experimental method.
The content of the invention
The purpose of this utility model is to provide a kind of resistance spot welding prepressing device, can improve resistance spot welding experiment in by
There is no pre-pressing to cause test specimen warpage occur in test specimen；Joint for resistance spot welding intensity is improved, precompressed can reduce spatter thing
Produce；Improve the safety coefficient of experiment, human hand held test specimen can be substituted using the device, avoid being tested caused by splash scald
Wound；Conventional efficient is improved, without clamping test specimen repeatedly, it is easy to accomplish automated production.
The utility model is realized by following technical scheme：A kind of resistance spot welding prepressing device, including Top electrode bar 1, fixation
Bearing 2, interior hexagonal screw rod 3, spring 4, sliding clamp 5, test specimen bearing 6, bottom electrode bar 7, nut 17, described hold-down support 2
It is provided with first electrode hole 9 and is located at the first counter sink 8, the second counter sink 10 of the both sides of first electrode hole 9, sliding clamp respectively
5 are provided with second electrode hole 12 and are located at the 3rd counter sink 11, the 4th counter sink 13 of the both sides of second electrode hole 12, test specimen respectively
Bearing 6 is provided with second electrode hole 14, strip groove 15, sleeve 16, and sliding clamp 5 is arranged on the lower section of hold-down support 2, test specimen branch
Seat 6 places the lower section of sliding clamp 5, and Top electrode bar 1 is interference fitted with first electrode hole 9, coordinated with the gap of second electrode hole 12, one
Hexagonal screw rod 3 sequentially passes through the first counter sink 8, the 3rd counter sink 11 and its lower end and nut 17 and coordinated in root, six in another
Angle screw rod 3 sequentially passes through the second counter sink 10, the 4th counter sink 13 and its lower end and nut 17 and coordinated, and hold-down support 2 is with sliding
Spring 4 is cased with interior hexagonal screw rod 3 between pressing plate 5, under sleeve 16 is connected at the center of test specimen bearing 6 second electrode hole 14 just
End, bottom electrode bar 7 are interference fitted with second electrode hole 14 and pass through sleeve 16.
Preferably, the pad with test specimen equal thickness is posted on the right side of the described lower surface of the sliding clamp 5 and left side of strip groove 15
Post the pad with test specimen equal thickness on the left of piece or the lower surface of the sliding clamp 5 and right side of strip groove 15.
Operation principle of the present utility model is：Before experiment, on the right side of the lower surface of sliding clamp 5 and the left side of strip groove 15 is pasted
Have and posted and test specimen equal thickness with the left of the pad of test specimen equal thickness or the lower surface of the sliding clamp 5 and right side of strip groove 15
Pad, additional bending moment is prevented, test specimen is placed in strip groove 15 and positioned, in experiment, sliding clamp 5 and upper electricity
The stress of pole bar 1 moves downward, and the pad of the lower surface of sliding clamp 5 first contacts with the pad of the side of strip groove 15, then slides
Pressing plate 5 contacts with test specimen, carries out precompressed to test specimen under spring force, and the electrode tip of Top electrode bar 1 contacts then with test specimen
Pinpoint welding procedure starts, and then under spring force, Top electrode bar 1 moves upwards, and sliding clamp 5 still contacts progress with test specimen
Shaping, final sliding clamp 5 leave test specimen with Top electrode bar 1, and experiment is completed.
The utility model has the advantages that：
1st, by using the utility model, can improve test specimen in resistance spot welding does not have pre-pressing, causes test specimen to stick up
It is bent.
2nd, by using the utility model, the strength of joint of resistance spot welding can be improved, precompressed can reduce spatter
The generation of thing.
3rd, by using the utility model, the safety coefficient of experiment can be improved, the device can be without hand-held test specimen.
4th, by using the utility model, test efficiency can be improved, without clamping test specimen repeatedly, it is easy to accomplish automatic
Change.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of hold-down support 2 of the present utility model；
Fig. 3 is the structural representation of interior hexagonal screw rod 3 of the present utility model；
Fig. 4 is the structural representation of spring 4 of the present utility model；
Fig. 5 is the structural representation of sliding clamp 5 of the present utility model；
Fig. 6 is the structural representation of test specimen bearing 6 of the present utility model；
Fig. 7 is the structural representation of nut 17 of the present utility model.
In figure respectively marked as：1- Top electrodes bar, 2- hold-down supports, hexagonal screw rod, 4- springs, 5- sliding clamps, 6- in 3-
Test specimen bearing, 7- bottom electrodes bar, 8- counter sinks, 9- electrode holes, 10- counter sinks, 11- counter sinks, 12- electrode holes, 13- countersunk heads
Hole, 14- electrode holes, 15- strip grooves, 16- sleeves, 17- nuts.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in further detail.
Embodiment 1：As shown in figs. 1-7, a kind of resistance spot welding prepressing device, including Top electrode bar 1, hold-down support 2, interior six
Angle screw rod 3, spring 4, sliding clamp 5, test specimen bearing 6, bottom electrode bar 7, nut 17, described hold-down support 2 are provided with first
Electrode hole 9 and the first counter sink 8, the second counter sink 10 for being located at the both sides of first electrode hole 9 respectively, sliding clamp 5 are provided with the
Two electrode holes 12 and the 3rd counter sink 11, the 4th counter sink 13 for being located at the both sides of second electrode hole 12 respectively, set on test specimen bearing 6
There are second electrode hole 14, strip groove 15, sleeve 16, sliding clamp 5 is arranged on the lower section of hold-down support 2, and test specimen bearing 6, which is placed, to be slided
The lower section of dynamic pressure plate 5, Top electrode bar 1 are interference fitted with first electrode hole 9, coordinated with the gap of second electrode hole 12, an interior hexagonal
Screw rod 3 sequentially passes through the first counter sink 8, the 3rd counter sink 11 and its lower end and nut 17 and coordinated, another interior hexagonal screw rod 3 according to
It is secondary to pass through the second counter sink 10, the 4th counter sink 13 and its lower end and nut 17 to coordinate, between hold-down support 2 and sliding clamp 5
Interior hexagonal screw rod 3 on be cased with spring 4, sleeve 16 is connected to 14 positive lower end of second electrode hole, bottom electrode at the center of test specimen bearing 6
Bar 7 is interference fitted with second electrode hole 14 and passes through sleeve 16.
Further, on the right side of the described lower surface of the sliding clamp 5 and left side of strip groove 15 is posted and test specimen equal thickness
Post the pad with test specimen equal thickness on the left of pad or the lower surface of the sliding clamp 5 and right side of strip groove 15.In sliding clamp 5
Lower surface and the side stagger setting pad of strip groove 15, in order to prevent additional bending moment.
Sliding clamp 5 and the structure collective effect of this pair of the cooperations of strip groove 15 can prevent test specimen from warpage occur, because
There is no warpage for test specimen, and then strength of joint improves the generation that can also reduce spatter thing.
Specific embodiment of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not
It is limited to above-mentioned embodiment, in those of ordinary skill in the art's possessed knowledge, this practicality can also be not being departed from
Various changes can be made on the premise of new objective.
Claims (2)
- A kind of 1. resistance spot welding prepressing device, it is characterised in that：Including Top electrode bar（1）, hold-down support（2）, interior hexagonal screw rod （3）, spring（4）, sliding clamp（5）, test specimen bearing（6）, bottom electrode bar（7）, nut（17）, described hold-down support（2）On Provided with first electrode hole（9）And it is located at first electrode hole respectively（9）First counter sink of both sides（8）, the second counter sink（10）, it is sliding Dynamic pressure plate（5）It is provided with second electrode hole（12）And it is located at second electrode hole respectively（12）3rd counter sink of both sides（11）, Four counter sinks（13）, test specimen bearing（6）It is provided with second electrode hole（14）, strip groove（15）, sleeve（16）, sliding clamp (5) it is arranged on hold-down support（2）Lower section, test specimen bearing（6）Place sliding clamp（5）Lower section, Top electrode bar（1）With first electrode Hole（9）Interference fit and second electrode hole（12）Gap coordinates, an interior hexagonal screw rod（3）Sequentially pass through the first counter sink （8）, the 3rd counter sink（11）And its lower end and nut（17）Coordinate, another interior hexagonal screw rod（3）Sequentially pass through the second countersunk head Hole（10）, the 4th counter sink（13）And its lower end and nut（17）Coordinate, hold-down support（2）With sliding clamp（5）Between it is interior Hexagonal screw rod（3）On be cased with spring（4）, sleeve（16）It is connected to test specimen bearing（6）Second electrode hole at center（14）Positive lower end, Bottom electrode bar（7）With second electrode hole（14）It is interference fitted and passes through sleeve（16）.
- A kind of 2. resistance spot welding prepressing device according to claim 1, it is characterised in that：Described sliding clamp（5）Under End face right side and strip groove（15）Post the pad or sliding clamp with test specimen equal thickness in left side（5）Lower surface left side and bar Connected in star（15）Post the pad with test specimen equal thickness in right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720317918.8U CN206869301U (en) | 2017-03-29 | 2017-03-29 | A kind of resistance spot welding prepressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720317918.8U CN206869301U (en) | 2017-03-29 | 2017-03-29 | A kind of resistance spot welding prepressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206869301U true CN206869301U (en) | 2018-01-12 |
Family
ID=61326820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720317918.8U Expired - Fee Related CN206869301U (en) | 2017-03-29 | 2017-03-29 | A kind of resistance spot welding prepressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206869301U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365975A (en) * | 2018-11-15 | 2019-02-22 | 江苏云意电气股份有限公司 | A kind of automobile dynamo governor is from precompressed electrode |
| CN115958332A (en) * | 2021-10-13 | 2023-04-14 | 宁德时代新能源科技股份有限公司 | Welding equipment |
| CN115958332B (en) * | 2021-10-13 | 2024-06-04 | 宁德时代新能源科技股份有限公司 | Welding equipment |
-
2017
- 2017-03-29 CN CN201720317918.8U patent/CN206869301U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365975A (en) * | 2018-11-15 | 2019-02-22 | 江苏云意电气股份有限公司 | A kind of automobile dynamo governor is from precompressed electrode |
| CN115958332A (en) * | 2021-10-13 | 2023-04-14 | 宁德时代新能源科技股份有限公司 | Welding equipment |
| CN115958332B (en) * | 2021-10-13 | 2024-06-04 | 宁德时代新能源科技股份有限公司 | Welding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180112 Termination date: 20190329 |