CN106312381A - Torsion beam rear axle welding process - Google Patents
Torsion beam rear axle welding process Download PDFInfo
- Publication number
- CN106312381A CN106312381A CN201610596601.2A CN201610596601A CN106312381A CN 106312381 A CN106312381 A CN 106312381A CN 201610596601 A CN201610596601 A CN 201610596601A CN 106312381 A CN106312381 A CN 106312381A
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- CN
- China
- Prior art keywords
- welding
- suspension link
- rear axle
- torsion beam
- beam rear
- 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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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/28—Beams
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention provides a torsion beam rear axle welding process. The torsion beam rear axle welding process comprises the following steps: (S1) a left suspension arm welding assembly, a right suspension arm welding assembly and a cross beam welding assembly are manufactured; (S2) the left suspension arm welding assembly and the right suspension arm welding assembly are symmetrically welded at two ends of the cross beam welding assembly; (S3) a left spring disc and a right spring disc are welded; a left hose bracket and a right hose bracket are welded; and a left harness bracket and a right harness bracket are welded to form a torsion beam rear axle assembly frame; (S4) a left vibration reducer bracket and a right vibration reducer bracket are welded; and (S5) a left suspension arm and a right suspension arm are respectively welded with two sleeves to form a torsion beam rear axle welding assembly. The torsion beam rear axle welding process releases the welding deformation through multiple branch assembly procedures, reduces the influence on separation size of the sleeves, can control the sleeve size tolerance within +-0.8 mm, and improves the product size precision.
Description
Technical field
The present invention relates to welding procedure, particularly to a kind of torsion beam rear axle welding procedure.
Background technology
Fig. 1 is the structural representation of torsion beam rear axle in prior art.Fig. 2 is flange in torsion beam rear axle in prior art
Plate and the weld seam schematic diagram of suspension link.Fig. 3 is the weld seam schematic diagram of suspension link and sleeve pipe in the torsion beam later stage in prior art.
As shown in Figure 1 to Figure 3, torsion beam rear axle welding procedure, it is common that first suspension link (left and right) 10 and flanged plate 11, set
Pipe 12 is welded into suspension link sub-unit (left and right), is more always combined into framework with crossbeam 13, more always welding connects spring holder, air-brake coupling hose props up
Frame, shock absorber support.
But, current this welding procedure is primarily present three below problem:
One, superposition is welded due to many parts so that welding deformation is big, and the size of sleeve pipe to benchmark is deformed shadow by frame welding
Ring, the most overproof or unstable.The opening grade dimensional tolerance and can only control within ± 1.6mm of sleeve pipe, dimensional accuracy is low, and cannot
Side-play amount according to detection directly adjusts fixture, needs to calculate conversion, adjusts difficulty.
Two, being fixed due to fixture, the gun welder space gesture of flanged plate and the girth joint of suspension link is interfered with fixture,
Cannot weld complete together.Therefore, can only divide weld seam 14 and weld seam 15, two sections of welding, the easy stress in joint is concentrated, is caused fatigue
Cracking.And, it is impossible to directly adjust fixture according to the side-play amount of detection, need to calculate conversion, adjust difficulty.
Three, being fixed due to fixture, sleeve pipe is poor with the posture of welding torch of suspension link weld seam, can only divide weld seam 16 and weld seam
17, two sections of welding, cause the easy stress in joint to be concentrated, cause fatigue cracking, and segmentation weldering exists welding gun and redirects the time, makes
Become the low inferior problem of production efficiency.
Summary of the invention
The technical problem to be solved in the present invention is to overcome torsion beam rear axle welding procedure deformation in prior art big, holding
The defects such as yielding instability, it is provided that a kind of torsion beam rear axle welding procedure.
The present invention solves above-mentioned technical problem by following technical proposals:
A kind of torsion beam rear axle welding procedure, its feature is, described torsion beam rear axle welding procedure comprises the following steps:
S1, make left suspension link welding assembly, right suspension link welding assembly and beam welding assembly；
S2, described left suspension link welding assembly and described right suspension link welding assembly be welded on symmetrically the weldering of described crossbeam
Connect the two ends of assembly；
S3, welding left spring dish and right spring holder, and weld left hose support and right hose support, weld left wire harness bracket
With right wire harness bracket, form torsion beam rear axle assembly framework；
S4, weld left damper bracket and right damper bracket；
S5, described left suspension link and described right suspension link are welded with two sleeve pipes respectively, formed torsion beam rear axle welding
Assembly.
It is preferred that described step S1In further comprising the steps of:
S11, one end of left flanged plate Yu left suspension link carried out tack welding form left suspension link point firmware；
S12, one end of right flanged plate Yu right suspension link carried out tack welding form right suspension link point firmware；
S13, at flanged plate left described in welding and described left suspension link, and described right flanged plate and described right suspension link
During circular seam welding, transfer robot increases rotating mechanism, by described left suspension link point firmware and described right suspension link point firmware
It is separately fixed on described rotating mechanism, rotates with described rotating mechanism, by linking with arc welding robot, it is ensured that weld seam
Welding, forms described left suspension link welding assembly and described right suspension link welding assembly the most continuously；
S14, reinforcing plate is welded on the opening part at the two ends of U-shaped crossbeam, form described beam welding assembly.
It is preferred that described step S11Described in carry out the point of 5mm between left flanged plate and one end of described left suspension link solid
Welding, described step S12Described in carry out the tack welding of 5mm between right flanged plate and one end of described right suspension link.
It is preferred that described step S3In further comprising the steps of:
S31, at described left suspension link, described right suspension link and described crossbeam near the intersection of flanged plate side, weld respectively
Connect left spring dish and right spring holder；
S32, above described left suspension link and described right suspension link, be respectively welded left hose support and right hose support；
S33, above described crossbeam two ends, be respectively welded left wire harness bracket and right wire harness bracket.
It is preferred that described step S4Specifically include following steps: described left suspension link and described right suspension link are near flange
The inner side of plate is respectively welded described left damper bracket and right damper bracket.
It is preferred that described step S5Specifically include following steps: the other end of described left suspension link and described right suspension link
The other end carry out tack welding with two described sleeve pipes respectively.
It is preferred that the other end of the other end of described left suspension link and described right suspension link enters with two described sleeve pipes respectively
The tack welding of row 5mm.
It is preferred that described step S5In further comprising the steps of:
S51, at suspension link left described in welding and described sleeve pipe, and when described right suspension link and described sleeve pipe, increase fixture
Switching mechanism, is positioned at workpiece on fixture, rotates clockwise 90 ° by described fixture turnover mechanism；
S52, by the upper surface of welding gun respectively two sleeve pipes of welding, it is ensured that the welding the most continuously of the first weld seam；
S53, by described fixture turnover mechanism by counterclockwise rotating 180 °, the lower surface of sleeve pipe described in welding, it is ensured that second
Weld seam welding the most continuously.
The most progressive effect of the present invention is:
Torsion beam rear axle welding procedure of the present invention divides assembled operation to discharge welding deformation by multiple tracks, reduces and drives sleeve pipe
The impact of shelves size so that casing size tolerance can control, within ± 0.8mm, to improve the dimensional accuracy of product.
Accompanying drawing explanation
The above and other feature of the present invention, character and advantage by by below in conjunction with the accompanying drawings with the description of embodiment
And become apparent, the most identical reference represents identical feature all the time, wherein:
Fig. 1 is the structural representation of torsion beam rear axle in prior art.
Fig. 2 is the weld seam schematic diagram of flanged plate and suspension link in torsion beam rear axle in prior art.
Fig. 3 is the weld seam schematic diagram of suspension link and sleeve pipe in torsion beam rear axle in prior art.
Fig. 4 is the structural representation of torsion beam rear axle of the present invention.
Fig. 5 is the axonometric chart of torsion beam rear axle of the present invention.
Fig. 6 be in torsion beam rear axle of the present invention flanged plate and suspension link weld schematic diagram.
Fig. 7 be in Fig. 6 along A to whole section of weld seam schematic diagram of flanged plate and the suspension link observed.
Fig. 8 be in torsion beam rear axle of the present invention suspension link and sleeve pipe weld schematic diagram.
Fig. 9 be in Fig. 8 along B to whole section of weld seam schematic diagram of suspension link and the sleeve pipe observed.
Detailed description of the invention
For the above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with the accompanying drawing tool to the present invention
Body embodiment elaborates.
With detailed reference to accompanying drawing, embodiments of the invention are described now.Referring in detail to the preferred embodiments of the present invention, it shows
Example is shown in the drawings.In the case of any possible, identical labelling will be used to represent identical or phase in all of the figs
As part.Although additionally, the term used in the present invention is to select from public term, but the present invention says
Some terms mentioned in bright book are probably what applicant was selected by his or her judgement, and its detailed meanings is retouched this paper's
Explanation in the relevant portion stated.Additionally, require not only by the actual terms used, and it is also to by each term institute
The meaning contained is to understand the present invention.
Fig. 4 is the structural representation of torsion beam rear axle of the present invention.Fig. 5 is the axonometric chart of torsion beam rear axle of the present invention.Fig. 6 is
In torsion beam rear axle of the present invention, flanged plate and suspension link welds schematic diagram.Fig. 7 is and to hang along A to the flanged plate observed in Fig. 6
Whole section of weld seam schematic diagram of boom.Fig. 8 be in torsion beam rear axle of the present invention suspension link and sleeve pipe weld schematic diagram.Fig. 9 is Fig. 8
Middle along B to whole section of weld seam schematic diagram of suspension link and the sleeve pipe observed.
As shown in Fig. 4 to Fig. 9, the invention discloses a kind of torsion beam rear axle welding procedure, it comprises the following steps:
Step one, make left suspension link welding assembly, right suspension link welding assembly and beam welding assembly.
Preferably, further comprising the steps of in described step one:
First, one end of left flanged plate 21 with left suspension link 20 is carried out tack welding and form left suspension link point firmware.Its
In, carry out the tack welding of 5mm between left flanged plate 21 and one end of left suspension link 20.
Then, one end of right flanged plate 31 with right suspension link 30 is carried out tack welding and form right suspension link point firmware.Its
In, carry out the tack welding of 5mm between right flanged plate 31 and one end of right suspension link 30.
Secondly, at the left flanged plate of welding 21 and left suspension link 20, and right flanged plate 31 and the circular seam welding of right suspension link 30
Time, transfer robot 60 increases rotating mechanism 70, by solid respectively to 20 firmwares of left suspension link and 30 firmwares of right suspension link
It is scheduled on rotating mechanism 70, rotates with rotating mechanism 70, by linking with arc welding robot 80, it is ensured that weld seam 71 connects for one
Continuous welding, forms described left suspension link welding assembly and described right suspension link welding assembly.So can reduce joint stress, carry
High fatigue life, eliminates welding gun and redirects the time, can be with improving production efficiency 10%.
Then, reinforcing plate 41 is welded on the opening part at the two ends of U-shaped crossbeam 40, forms described beam welding assembly.
Step 2, described left suspension link welding assembly and described right suspension link welding assembly are welded on described horizontal stroke symmetrically
The two ends of beam welding assembly.
Step 3, welding left spring dish 22 and right spring holder 32, and weld left hose support 12 and right hose support 13, weldering
Connect left wire harness bracket 24 and right wire harness bracket 34, form torsion beam rear axle assembly framework.
Preferably, further comprising the steps of in described step 3:
First, at left suspension link 20, right suspension link 30 and crossbeam 40 near the intersection of flanged plate side, it is respectively welded a left side
Spring holder 22 and right spring holder 32.
Then, above left suspension link 20 and right suspension link 30, left hose support 23 and right hose support it are respectively welded
33。
Then, above the two ends of crossbeam 40, it is respectively welded left wire harness bracket 24 and right wire harness bracket 34, forms torsion beam
Rear axle assy framework.
Step 4, weld left damper bracket and right damper bracket.Wherein it is preferred to left suspension link 20 and right suspension link
30 are respectively welded left damper bracket 25 and right damper bracket 35 near the inner side of flanged plate.
Step 5, left suspension link 20 and right suspension link 30 are welded with two sleeve pipes 50 respectively, form torsion beam rear axle weldering
Connect assembly.Wherein it is preferred to the other end of the other end of left suspension link 20 and right suspension link 30 is carried out with two sleeve pipes 50 respectively
Tack welding.
Preferably, the other end of left suspension link 20 and the other end of right suspension link 30 carry out 5mm with two sleeve pipes 50 respectively
Tack welding.
Further, further comprising the steps of in described step 5:
First, at the left suspension link of welding 20 and sleeve pipe 50, and when right suspension link 30 and sleeve pipe 50, increase fixture tipper
Structure 81, is positioned at workpiece on fixture, rotates clockwise 90 ° by fixture turnover mechanism 81, and welding gun so can be avoided to transport
Dynamic interference.
Then, by the upper surface of welding gun 80 two sleeve pipes 50 of welding respectively, it is ensured that the first weld seam 82 welds for one continuously.
Then, by fixture turnover mechanism 81 by rotating 180 ° counterclockwise, the lower surface of welding sleeve pipe 50, it is ensured that the second weldering
Stitch 82 to weld continuously for one, finally form torsion beam rear axle.Reduce joint stress, improve fatigue life, eliminate welding gun and redirect
Time, can be with improving production efficiency 10%.
The feature of torsion beam rear axle welding procedure of the present invention is as follows:
One, transfer robot snatch workpiece is used to coordinate welding manner with arc welding robot, 360 degree of rotations, it is ensured that weld seam
All the time optimal attitude it is in.Weld seam one-shot forming, reduces joint stress, improves fatigue life, improving production efficiency.
Two, use Welding after sleeve pipe, weld after creative proposition rotating part 90 degree, it is to avoid welding gun is interfered, it is ensured that
Weld seam is in optimal attitude all the time.Weld seam one-shot forming, reduces joint stress, improves fatigue life, improving production efficiency, chi
Very little tolerance reduces, constant product quality.
In sum, torsion beam rear axle welding procedure of the present invention divides assembled operation to discharge welding deformation by multiple tracks, subtracts
Few impact that sleeve pipe is left grade size so that casing size tolerance can control, within ± 0.8mm, to improve the size essence of product
Degree.
Although the foregoing describing the detailed description of the invention of the present invention, it will be appreciated by those of skill in the art that these
Being merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back
On the premise of the principle and essence of the present invention, these embodiments can be made various changes or modifications, but these change
Protection scope of the present invention is each fallen within amendment.
Claims (8)
1. a torsion beam rear axle welding procedure, it is characterised in that described torsion beam rear axle welding procedure comprises the following steps:
S1, make left suspension link welding assembly, right suspension link welding assembly and beam welding assembly；
S2, that described left suspension link welding assembly and described right suspension link welding assembly are welded on described beam welding symmetrically is total
The two ends become；
S3, welding left spring dish and right spring holder, and weld left hose support and right hose support, weld left wire harness bracket and the right side
Wire harness bracket, forms torsion beam rear axle assembly framework；
S4, weld left damper bracket and right damper bracket；
S5, described left suspension link and described right suspension link are welded with two sleeve pipes respectively, formed torsion beam rear axle welding assembly.
2. torsion beam rear axle welding procedure as claimed in claim 1, it is characterised in that described step S1In also include following step
Rapid:
S11, one end of left flanged plate Yu left suspension link carried out tack welding form left suspension link point firmware；
S12, one end of right flanged plate Yu right suspension link carried out tack welding form right suspension link point firmware；
S13, at flanged plate left described in welding and described left suspension link, and described right flanged plate and the circumferential weld of described right suspension link
During weldering, transfer robot increases rotating mechanism, by described left suspension link point firmware and described right suspension link point firmware difference
It is fixed on described rotating mechanism, rotates with described rotating mechanism, by linking with arc welding robot, it is ensured that weld seam is together
Welding, forms described left suspension link welding assembly and described right suspension link welding assembly continuously；
S14, reinforcing plate is welded on the opening part at the two ends of U-shaped crossbeam, form described beam welding assembly.
3. torsion beam rear axle welding procedure as claimed in claim 2, it is characterised in that described step S11Described in left flanged plate
And between one end of described left suspension link, carry out the tack welding of 5mm, described step S12Described in right flanged plate and the described right side hang
The tack welding of 5mm is carried out between one end of boom.
4. torsion beam rear axle welding procedure as claimed in claim 1, it is characterised in that described step S3In also include following step
Rapid:
S31, at described left suspension link, described right suspension link and described crossbeam near the intersection of flanged plate side, be respectively welded a left side
Spring holder and right spring holder；
S32, above described left suspension link and described right suspension link, be respectively welded left hose support and right hose support；
S33, above described crossbeam two ends, be respectively welded left wire harness bracket and right wire harness bracket.
5. torsion beam rear axle welding procedure as claimed in claim 1, it is characterised in that described step S4Specifically include following step
Rapid: described left suspension link and described right suspension link are respectively welded described left damper bracket and right vibration damping near the inner side of flanged plate
Device support.
6. torsion beam rear axle welding procedure as claimed in claim 1, it is characterised in that described step S5 specifically includes following step
Rapid: the other end of described left suspension link and the other end of described right suspension link carry out tack welding with two described sleeve pipes respectively.
7. torsion beam rear axle welding procedure as claimed in claim 6, it is characterised in that the other end of described left suspension link and institute
The other end stating right suspension link carries out the tack welding of 5mm with two described sleeve pipes respectively.
8. torsion beam rear axle welding procedure as claimed in claim 7, it is characterised in that described step S5In also include following step
Rapid:
S51, at suspension link left described in welding and described sleeve pipe, and when described right suspension link and described sleeve pipe, increase fixture upset
Mechanism, is positioned at workpiece on fixture, rotates clockwise 90 ° by described fixture turnover mechanism；
S52, by the upper surface of welding gun respectively two sleeve pipes of welding, it is ensured that the welding the most continuously of the first weld seam；
S53, by described fixture turnover mechanism by counterclockwise rotating 180 °, the lower surface of sleeve pipe described in welding, it is ensured that the second weld seam
Welding the most continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596601.2A CN106312381B (en) | 2016-07-27 | 2016-07-27 | Torsion beam rear axle welding procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610596601.2A CN106312381B (en) | 2016-07-27 | 2016-07-27 | Torsion beam rear axle welding procedure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106312381A true CN106312381A (en) | 2017-01-11 |
| CN106312381B CN106312381B (en) | 2018-04-17 |
Family
ID=57739320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610596601.2A Active CN106312381B (en) | 2016-07-27 | 2016-07-27 | Torsion beam rear axle welding procedure |
Country Status (1)
| Country | Link |
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| CN (1) | CN106312381B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770569A (en) * | 2021-08-11 | 2021-12-10 | 安徽大昌科技股份有限公司 | Machining process for rear torsion beam of automobile |
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| US20060091721A1 (en) * | 2004-10-28 | 2006-05-04 | Han Sung-Wook | Torsion beam suspension system for automobiles and method of manufacturing the same |
| US20070069496A1 (en) * | 2005-09-27 | 2007-03-29 | Rinehart Ronald A | Torsion beam suspension member |
| KR20130034108A (en) * | 2011-09-28 | 2013-04-05 | 현대자동차주식회사 | Bonding method of torsion beam axle and trailing arm using flash butt welding |
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| CN203936557U (en) * | 2014-05-21 | 2014-11-12 | 上海汇众汽车制造有限公司 | Torsion beam back axle spring holder detent mechanism |
| CN204210264U (en) * | 2014-11-07 | 2015-03-18 | 上海汇众汽车制造有限公司 | torsion beam rear axle |
| CN204821019U (en) * | 2015-06-24 | 2015-12-02 | 上海汇众汽车制造有限公司 | Car torsion beam rear axle |
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2016
- 2016-07-27 CN CN201610596601.2A patent/CN106312381B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060091721A1 (en) * | 2004-10-28 | 2006-05-04 | Han Sung-Wook | Torsion beam suspension system for automobiles and method of manufacturing the same |
| US20070069496A1 (en) * | 2005-09-27 | 2007-03-29 | Rinehart Ronald A | Torsion beam suspension member |
| KR20130034108A (en) * | 2011-09-28 | 2013-04-05 | 현대자동차주식회사 | Bonding method of torsion beam axle and trailing arm using flash butt welding |
| CN103231626A (en) * | 2013-04-22 | 2013-08-07 | 苏州市奥杰汽车技术有限公司 | Rear-arranged rear-drive type three connection rod rear suspension frame rear axle structure for motor |
| CN203936557U (en) * | 2014-05-21 | 2014-11-12 | 上海汇众汽车制造有限公司 | Torsion beam back axle spring holder detent mechanism |
| CN204210264U (en) * | 2014-11-07 | 2015-03-18 | 上海汇众汽车制造有限公司 | torsion beam rear axle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113770569A (en) * | 2021-08-11 | 2021-12-10 | 安徽大昌科技股份有限公司 | Machining process for rear torsion beam of automobile |
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| Publication number | Publication date |
|---|---|
| CN106312381B (en) | 2018-04-17 |
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