CN108971725B - Frock clamp of bumper roll spot welding - Google Patents
Frock clamp of bumper roll spot welding Download PDFInfo
- Publication number
- CN108971725B CN108971725B CN201811223342.4A CN201811223342A CN108971725B CN 108971725 B CN108971725 B CN 108971725B CN 201811223342 A CN201811223342 A CN 201811223342A CN 108971725 B CN108971725 B CN 108971725B
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- CN
- China
- Prior art keywords
- roller
- adjusting
- block
- spot welding
- adjusting block
- 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.)
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Links
- 238000003466 welding Methods 0.000 title claims abstract description 75
- 238000003825 pressing Methods 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 238000005096 rolling process Methods 0.000 claims abstract description 38
- 238000005056 compaction Methods 0.000 claims abstract description 18
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 14
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a fixture for welding rolling spot of a bumper, which adopts a plurality of groups of rolling spot welding electrode wheels for welding, wherein each group of rolling spot welding electrode wheels comprises an upper electrode wheel and a lower electrode wheel which are oppositely arranged, the fixture comprises two profiling roller supporting mechanisms which are arranged at the left side and the right side of each group of rolling spot welding electrode wheels in a one-to-one correspondence manner, and two compaction adjusting mechanisms which are arranged at the front side and the rear side of the welding position of each group of rolling spot welding electrode wheels in a one-to-one correspondence manner, and each profiling roller supporting mechanism comprises a roller fixing seat, a lower supporting plate, an upper supporting plate, two large pressing plates, two roller adjusting blocks and two rollers; each compaction adjusting mechanism comprises a connecting plate, a side pressing block, a side pressing plate fixing block, a compaction adjusting block, a side pressing plate adjusting rod and two small pressing plates. The fixture for welding the rolling spot of the bumper can solve the quality problem caused by welding of a rolling gap in the welding process.
Description
Technical Field
The invention relates to a fixture for welding a rolling spot of a bumper.
Background
Along with the increasing functions of the automobiles developed in the era, the updating and the updating are faster, the research and development input cost of each large host factory on new automobile types is more and more controlled, and the research period requirement is shorter and shorter, so that the requirements on vehicle manufacturers and vehicle component manufacturers are directly put forward, and the cost and period optimization of each link are realized by each vehicle component manufacturer. The bumper spot welding process is the lowest cost and highest efficiency process in the bumper process, but has higher requirements on welding gaps and welding quality of products, so that the technical requirements on suppliers are higher, and the conventional roll spot welding process is mainly commonly used in some daily enterprise host factories.
The prior bumper mainly adopts the processes of gas shielded welding, laser welding and the like, and has the defects of more and heavier parts and the like, and the laser welding cost is higher, so that the rolling spot welding process is developed mainly from the seam welding process, and has the two problems of better process, but the rolling spot welding process has higher requirements on welding quality and welding gaps, and the qualification rate of finished products is lower and the rejection rate is up to 30 percent when the prior rolling spot welding is used for welding.
The prior art is directly welded after the rolling line is formed at the front, and the technology has little problem on products with smaller material strength, but if the material strength is higher than 1000mpa, rebound deformation occurs, and the gap at the welding position becomes large, so that a large number of defective products are caused, and even the problem that the welding cannot be performed occurs. I have a bumper with a material strength of 1310mpa which is unfortunately received in Honda, and no such strong steel is currently used by the host factory. Therefore, welding is not possible with the prior art products.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a fixture for welding a rolling spot of a bumper, which can solve the quality problem caused by welding a rolling gap in the welding process, can reduce the rejection rate to 3%, greatly improves the efficiency and saves a large amount of cost.
The technical scheme for achieving the purpose is as follows: the utility model provides a frock clamp of bumper roll spot welding, bumper roll spot welding adopts a plurality of groups to roll spot welding electrode wheel welding, and every group rolls spot welding electrode wheel and all includes upper electrode wheel and the lower electrode wheel that set up relatively, frock clamp includes two profile modeling running roller supporting mechanisms of setting in every group roll spot welding electrode wheel left and right sides and two compaction adjustment mechanisms of setting in every group roll spot welding electrode wheel welding department front and back side in one-to-one correspondence, wherein:
each profiling roller supporting mechanism comprises a roller fixing seat, a lower supporting plate, an upper supporting plate, two large pressing plates, two roller adjusting blocks and two rollers, wherein an adjusting block mounting groove is longitudinally formed in the upper surface of the roller fixing seat; the two large pressing plates are arranged at the top ends of the groove walls at the two sides of the adjusting block mounting groove in a one-to-one correspondence manner; the two roller adjusting blocks are clamped in the adjusting block mounting groove in a front-back manner, each roller adjusting block moves back and forth along the adjusting block mounting groove, each roller adjusting block is provided with a roller adjusting rod which is longitudinally arranged, and the roller adjusting rod extends to the outside of the adjusting block mounting groove; the lower supporting plate is positioned above the roller adjusting block; the upper supporting plate is positioned above the lower supporting plate; the two rollers are arranged between the lower supporting plate and the upper supporting plate in a tandem manner, the two rollers are arranged in one-to-one correspondence with the two roller adjusting blocks, and each roller is fixed on the corresponding roller adjusting block through a vertically arranged roller upright post;
the two profiling roller supporting mechanisms are symmetrically arranged left and right, and the compaction adjusting mechanism is positioned between the two profiling roller supporting mechanisms;
each compaction adjusting mechanism comprises a connecting plate, a side pressing block, a side pressing plate fixing block, a compaction adjusting block, a side pressing plate adjusting rod and two small pressing plates, wherein the left end and the right end of the connecting plate are connected with the lower supporting plates of the two profiling roller supporting mechanisms in one-to-one correspondence, and a longitudinal groove is formed in the middle of the upper surface of the connecting plate; the compression adjusting block and the side pressure plate fixing block are arranged in the longitudinal groove in tandem; the side pressure block is positioned behind the side pressure plate fixing block; the pressing adjusting block and the side pressing plate fixing block are respectively provided with a through hole which is penetrated from front to back, one end of the side pressing plate adjusting rod sequentially penetrates through the through holes of the pressing adjusting block and the side pressing plate fixing block and then is connected with the side pressing block, and the two small pressing plates are correspondingly arranged at the top ends of the groove walls at the two sides of the longitudinal groove one by one;
the two compaction adjusting mechanisms are symmetrically arranged in tandem, and the side pressing blocks of the two compaction adjusting mechanisms are adjacent.
The fixture for welding the rolling spot of the bumper is characterized in that one profiling roller supporting mechanism is arranged between every two adjacent groups of rolling spot welding electrode wheels.
The fixture for welding the rolling point of the bumper comprises two large pressing plates, wherein the two large pressing plates correspondingly press the left side and the right side of each roller adjusting block one by one.
According to the fixture for welding the rolling spot of the bumper, the two rollers are respectively added on the left side and the right side of the electrode wheel of the rolling spot welding, and the pressing adjusting mechanism is added on the front side and the rear side of the welding position of the electrode wheel, so that the gap at the rolling forming interface of the bumper is reduced until the gap is zero.
Drawings
Fig. 1 is a perspective view of a tool holder for welding a roll of a bumper according to the present invention.
Detailed Description
In order to enable those skilled in the art to better understand the technical scheme of the present invention, the following detailed description is provided with reference to the accompanying drawings:
referring to fig. 1, in a preferred embodiment of the present invention, a bumper spot-rolling welding method is to use a plurality of sets of spot-rolling electrode wheels for welding, each set of spot-rolling electrode wheels includes an upper electrode wheel 1 and a lower electrode wheel 2 which are disposed opposite to each other, and a fixture for bumper spot-rolling welding method includes two profiling roller supporting mechanisms disposed on left and right sides of each set of spot-rolling electrode wheels in a one-to-one correspondence manner, and two pressing adjusting mechanisms disposed on front and rear sides of a welding position of each set of spot-rolling electrode wheels in a one-to-one correspondence manner.
Each profiling roller supporting mechanism comprises a roller fixing seat 3, a lower supporting plate 7, an upper supporting plate 9, two large pressing plates 5, two roller adjusting blocks 6 and two rollers 8, wherein an adjusting block mounting groove is longitudinally formed in the upper surface of the roller fixing seat 3; the two large pressing plates 5 are arranged at the top ends of the groove walls at the two sides of the adjusting block mounting groove in a one-to-one correspondence manner; two roller adjusting blocks 6 are clamped in the adjusting block mounting groove in a front-back manner, each roller adjusting block 6 moves back and forth along the adjusting block mounting groove, each roller adjusting block 6 is provided with a roller adjusting rod 4 which is longitudinally arranged, and the roller adjusting rods 4 extend to the outside of the adjusting block mounting groove; the two large pressing plates 5 press the left and right sides of each roller adjusting block 6 in a one-to-one correspondence. The lower supporting plate 7 is positioned above the roller adjusting block 6; the upper support plate 9 is positioned above the lower support plate 7; two rollers 8 are arranged between the lower support plate 7 and the upper support plate 9 in tandem, the two rollers 8 are arranged in one-to-one correspondence with the two roller adjusting blocks 6, and each roller 8 is fixed on the corresponding roller adjusting block 6 through a vertically arranged roller upright 10. The roller adjusting block 6 can be driven to move back and forth in the adjusting block mounting groove by the back and forth movement of the roller adjusting rod 4.
The two profiling roller supporting mechanisms are symmetrically arranged left and right, and the compaction adjusting mechanism is positioned between the two profiling roller supporting mechanisms.
Each compaction adjusting mechanism comprises a connecting plate 16, a side pressing block 11, a side pressing plate fixing block 12, a compaction adjusting block 13, a side pressing plate adjusting rod 14 and two small pressing plates 15, the left end and the right end of the connecting plate 16 are connected with the lower supporting plates 7 of the two profiling roller supporting mechanisms in one-to-one correspondence, and a longitudinal groove is formed in the middle of the upper surface of the connecting plate 16; the compression adjusting block 13 and the side pressure plate fixing block 12 are arranged in the longitudinal groove in tandem; the side pressing block 11 is positioned behind the side pressing plate fixing block 12; the compression adjusting block 13 and the side pressure plate fixing block 12 are respectively provided with a through hole which is penetrated from front to back, one end of the side pressure plate adjusting rod 14 sequentially penetrates through the through hole of the compression adjusting block 13 and the through hole of the side pressure plate fixing block 12 and then is connected with the side pressure block 11, and two small pressure plates 15 are arranged at the top ends of groove walls at two sides of the longitudinal groove in a one-to-one correspondence mode. The side pressing block 11 can be driven to move back and forth by the back and forth movement of the side pressing plate adjusting lever 14.
The two compression adjusting mechanisms are symmetrically arranged in tandem, and the side pressure blocks 11 of the two compression adjusting mechanisms are adjacent.
Referring to fig. 1 again, a profiling roller supporting mechanism is disposed between every two adjacent sets of rolling spot welding electrode wheels, that is, if the bumper rolling spot welding adopts two sets of rolling spot welding electrode wheels for welding, three profiling roller supporting mechanisms are required in total, one profiling roller supporting mechanism is disposed between the two sets of rolling spot welding electrode wheels, and the other two profiling roller supporting mechanisms are disposed on the left and right sides of the profiling roller supporting mechanism disposed between the two sets of rolling spot welding electrode wheels in a one-to-one correspondence manner.
In the fixture for welding the bumper roller, the upper electrode wheel 1 and the lower electrode wheel 2 are fixed on the roller spot welder for welding during processing, the roller adjusting rod 4 and the roller adjusting block 6 are arranged in the roller fixing seat 3, the two large pressing plates 5 press the roller adjusting block 6 to prevent the roller adjusting block 6 from being separated from an adjusting block mounting groove, then the lower supporting plate 7, the roller 8, the upper supporting plate 9 and the roller upright post 10 are sequentially arranged, and then the pressing adjusting mechanism is arranged, namely the connecting plate 16, the side pressing block 11, the side pressing plate fixing block 12, the pressing adjusting block 13, the side pressing plate adjusting rod 14 and the two small pressing plates 15 are sequentially arranged and fixed. The part to be welded (bumper) is positioned between two rollers 8 of the profiling roller supporting mechanism, the rollers 8 are profiling rollers, the bumper is formed by rolling the rollers 8, and when the size adjustment is carried out, the roller adjusting rod 4 and the side pressing plate adjusting rod 14 can be adjusted, so that the welded part meets the size requirement, and then the welding is carried out. Therefore, the gap at the rolling forming interface of the bumper is reduced until zero by respectively adding two rollers on the left side and the right side of the rolling spot welding electrode wheel and respectively adding a pressing adjusting mechanism on the front side and the rear side of the welding position of the rolling spot welding electrode wheel.
In conclusion, the fixture for welding the rolling spot of the bumper can solve the quality problem caused by welding of the rolling gap in the welding process, can reduce the rejection rate to 3%, greatly improves the efficiency and saves a large amount of cost.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (1)
1. The utility model provides a frock clamp of bumper roll spot welding, bumper roll spot welding adopts a plurality of groups to roll spot welding electrode wheel welding, and every group rolls spot welding electrode wheel and all includes upper electrode wheel and the lower electrode wheel that set up relatively, a serial communication port, frock clamp includes two profile modeling running roller supporting mechanisms of one-to-one setting in every group roll spot welding electrode wheel left and right sides and two compaction adjustment mechanism of one-to-one setting in every group roll spot welding electrode wheel welded part front and back side, wherein:
each profiling roller supporting mechanism comprises a roller fixing seat, a lower supporting plate, an upper supporting plate, two large pressing plates, two roller adjusting blocks and two rollers, wherein an adjusting block mounting groove is longitudinally formed in the upper surface of the roller fixing seat; the two large pressing plates are arranged at the top ends of the groove walls at the two sides of the adjusting block mounting groove in a one-to-one correspondence manner; the two roller adjusting blocks are clamped in the adjusting block mounting groove in a front-back manner, each roller adjusting block moves back and forth along the adjusting block mounting groove, each roller adjusting block is provided with a roller adjusting rod which is longitudinally arranged, and the roller adjusting rod extends to the outside of the adjusting block mounting groove; the lower supporting plate is positioned above the roller adjusting block; the upper supporting plate is positioned above the lower supporting plate; the two rollers are arranged between the lower supporting plate and the upper supporting plate in a tandem manner, the two rollers are arranged in one-to-one correspondence with the two roller adjusting blocks, and each roller is fixed on the corresponding roller adjusting block through a vertically arranged roller upright post;
the two profiling roller supporting mechanisms are symmetrically arranged left and right, and the compaction adjusting mechanism is positioned between the two profiling roller supporting mechanisms;
each compaction adjusting mechanism comprises a connecting plate, a side pressing block, a side pressing plate fixing block, a compaction adjusting block, a side pressing plate adjusting rod and two small pressing plates, wherein the left end and the right end of the connecting plate are connected with the lower supporting plates of the two profiling roller supporting mechanisms in one-to-one correspondence, and a longitudinal groove is formed in the middle of the upper surface of the connecting plate; the compression adjusting block and the side pressure plate fixing block are arranged in the longitudinal groove in tandem; the side pressure block is positioned behind the side pressure plate fixing block; the pressing adjusting block and the side pressing plate fixing block are respectively provided with a through hole which is penetrated from front to back, one end of the side pressing plate adjusting rod sequentially penetrates through the through holes of the pressing adjusting block and the side pressing plate fixing block and then is connected with the side pressing block, and the two small pressing plates are correspondingly arranged at the top ends of the groove walls at the two sides of the longitudinal groove one by one;
the two compaction adjusting mechanisms are symmetrically arranged in tandem, and side pressing blocks of the two compaction adjusting mechanisms are adjacent;
one profiling roller supporting mechanism is arranged between every two adjacent groups of rolling spot welding electrode wheels;
the two large pressing plates correspondingly press the left side and the right side of each roller adjusting block one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223342.4A CN108971725B (en) | 2018-10-19 | 2018-10-19 | Frock clamp of bumper roll spot welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223342.4A CN108971725B (en) | 2018-10-19 | 2018-10-19 | Frock clamp of bumper roll spot welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108971725A CN108971725A (en) | 2018-12-11 |
| CN108971725B true CN108971725B (en) | 2024-03-22 |
Family
ID=64544490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811223342.4A Active CN108971725B (en) | 2018-10-19 | 2018-10-19 | Frock clamp of bumper roll spot welding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108971725B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050076345A (en) * | 2004-01-20 | 2005-07-26 | 현대하이스코 주식회사 | Spot welder available for a manual and automatic continuous welding steel sheet for automobile use |
| CN201848650U (en) * | 2010-11-05 | 2011-06-01 | 凌云工业股份有限公司 | On-line laser welding fixture for rolled bumper with enclosed cavity |
| CN103108719A (en) * | 2010-09-24 | 2013-05-15 | 三菱日立制铁机械株式会社 | Mash seam welding method and device |
| CN103273185A (en) * | 2013-05-08 | 2013-09-04 | 凌云工业股份有限公司 | Online dezincing and finishing device for galvanized sheet roll spot welding electrode wheel |
| CN203556996U (en) * | 2013-11-13 | 2014-04-23 | 天津伍嘉联创科技发展有限公司 | Absorption pre-welding integrated type mechanism |
| CN104493404A (en) * | 2014-11-27 | 2015-04-08 | 上海奥林汽车配件有限公司 | Welding clamp used for robot to weld car seat angle iron |
| CN105344892A (en) * | 2015-09-29 | 2016-02-24 | 建科机械（天津）股份有限公司 | Device for bending and welding stirrup on main reinforcements of square steel reinforcement cage |
| CN207104084U (en) * | 2017-07-31 | 2018-03-16 | 修武县鑫锐超硬材料有限公司 | A kind of mash welder with novel improved structure |
| CN207771176U (en) * | 2018-01-22 | 2018-08-28 | 合肥舜皓汽车配件有限公司 | Upper member installation assembly welding fixture before a kind of bumper |
| CN209021415U (en) * | 2018-10-19 | 2019-06-25 | 上海和达汽车配件有限公司 | A kind of frock clamp that bumper roll-spot welding connects |
-
2018
- 2018-10-19 CN CN201811223342.4A patent/CN108971725B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050076345A (en) * | 2004-01-20 | 2005-07-26 | 현대하이스코 주식회사 | Spot welder available for a manual and automatic continuous welding steel sheet for automobile use |
| CN103108719A (en) * | 2010-09-24 | 2013-05-15 | 三菱日立制铁机械株式会社 | Mash seam welding method and device |
| CN201848650U (en) * | 2010-11-05 | 2011-06-01 | 凌云工业股份有限公司 | On-line laser welding fixture for rolled bumper with enclosed cavity |
| CN103273185A (en) * | 2013-05-08 | 2013-09-04 | 凌云工业股份有限公司 | Online dezincing and finishing device for galvanized sheet roll spot welding electrode wheel |
| CN203556996U (en) * | 2013-11-13 | 2014-04-23 | 天津伍嘉联创科技发展有限公司 | Absorption pre-welding integrated type mechanism |
| CN104493404A (en) * | 2014-11-27 | 2015-04-08 | 上海奥林汽车配件有限公司 | Welding clamp used for robot to weld car seat angle iron |
| CN105344892A (en) * | 2015-09-29 | 2016-02-24 | 建科机械（天津）股份有限公司 | Device for bending and welding stirrup on main reinforcements of square steel reinforcement cage |
| CN207104084U (en) * | 2017-07-31 | 2018-03-16 | 修武县鑫锐超硬材料有限公司 | A kind of mash welder with novel improved structure |
| CN207771176U (en) * | 2018-01-22 | 2018-08-28 | 合肥舜皓汽车配件有限公司 | Upper member installation assembly welding fixture before a kind of bumper |
| CN209021415U (en) * | 2018-10-19 | 2019-06-25 | 上海和达汽车配件有限公司 | A kind of frock clamp that bumper roll-spot welding connects |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108971725A (en) | 2018-12-11 |
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| CB03 | Change of inventor or designer information |
Inventor after: Liu Lifeng Inventor after: Jia Shenfeng Inventor after: Zheng Zhiqiang Inventor before: Jia Shenfeng Inventor before: Liu Lifeng Inventor before: Zheng Zhiqiang |
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