CN106425220A - Large curved-surface thin plate welding anti-deformation device and method - Google Patents
Large curved-surface thin plate welding anti-deformation device and method Download PDFInfo
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- CN106425220A CN106425220A CN201610930958.XA CN201610930958A CN106425220A CN 106425220 A CN106425220 A CN 106425220A CN 201610930958 A CN201610930958 A CN 201610930958A CN 106425220 A CN106425220 A CN 106425220A
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- curved
- pedestal
- curved sheets
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- arc plate
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- 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 for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a large curved-surface thin plate welding anti-deformation device. The device comprises a first base which is arranged under a butt-joint welding seam of two curved-surface thin plates and second bases which are arranged at the bottoms of the free ends of the two curved-surface thin plates respectively, wherein an inner clamping part and an outer clamping part are vertically arranged on the first base and arranged on the inner side and the outer side of arc surfaces of the curved-surface thin plates respectively; multiple outer arc plates and multiple inner arc plates are symmetrically arranged on the inner clamping part and the outer clamping part respectively, wherein the curvature of the outer arc plates and the curvature of the inner arc plates are both the same as that of the curved-surface thin plates. A method particularly comprises the steps of assembling the inner clamping part and the outer clamping part, assembling the whole device and clamping and welding the curved-surface thin plates. The large curved-surface thin plate welding anti-deformation device and method can be used for dealing with the problem that the large curved-surface thin plates are prone to deformation in the welding process and have the advantages that the method is simple, universality is high, operation is easy, and the anti-deformation effect is good, and the problem that curved-surface thin plate welding deformation is difficult to control is solved.
Description
Technical field
The invention belongs to Anti-deformation device for welding field is and in particular to a kind of welding being applied to large-scale curved thin plate is preapred for an unfavorable turn of events
Shape device and method.
Background technology
Because easily deforming in welding process the reason its thickness, its deformation has complexity and various to thin sheet casing
Property, it is still a technical barrier in domestic and international welding procedure field at present.Thin plate welding deformation problem drastically influence product
Quality, only carries out the analysis of system to it, finds out the technical measures controlling its deformation, constantly with the experience of accumulation, by
Related device can reach the purpose controlling thin sheet casing welding deformation amount.The welding of traditional large-scale thin plate cambered shell is prevented
Deformation is mainly controlled by welding procedure, needs to observe and check the deformation around weld seam at any time in the welding process of housing
Amount.Meanwhile, the both sides of welding point need to weld interim holding clamp, it are removed after the completion of seam welding to be welded again, Gu
Determine the welding of fixture and demolishing process can make thin sheet casing produce curvature defomation, the curvature precision after impact case weld shaping.
Therefore, it is necessary to provide a kind of new curved sheets Anti-deformation device for welding and method.
Content of the invention
The problem existing for prior art, the present invention is to solve the technical scheme that problems of the prior art adopt
As follows：
A kind of large-scale curved plate sheet welding anti-deformation device it is characterised in that：Including being arranged at two pieces of curved sheets butt welds
The pedestal A of lower section, and it is respectively arranged at the pedestal B of two pieces of curved sheets free ends bottom, on described pedestal A and pedestal B all
It is provided with roller, curved sheets bottom is vertically installed in the groove on roller, described pedestal A vertically sets up inner gripping component
With outer retaining part part, described inner gripping component is built in inside curved sheets cambered surface, and outer retaining part part is built in curved sheets
Outside cambered surface, butt weld is in the middle of inside and outside hold assembly, and described inner gripping component includes inner support and is connected to interior
Some outer arc plates of frame lateral frame both sides, described outer retaining part part includes support arm and is connected to support arm inner frame
Some inner arc plates, described inner support and support arm are channel steel type framework, between inner support and support arm by fishbolt even
Connect, described support arm intermediate plate center is designed for opening, so that weld seam is exposed, convenient weld, described inner arc plate surface curvature
Identical with curved sheets outer arc face curvature, the surface curvature of outer arc plate is identical with curved sheets inner arc face curvature.
Described roller is connected on roller support by bearing pin, and roller support is by vertical rotating shaft with pedestal upper surface even
Connect, on pedestal, swing roller bearing is to adjust roller angle.
Described inner support and support arm top and bottom have symmetrically arranged bolt hole, pass through bolt by fishbolt
Support arm in the connection of hole, makes the inner arc plate in inside and outside hold assembly and outer arc board clamping curved sheets shell by rotating fishbolt
Body.
Longitudinally asymmetric on described inner support and support arm two body side frame be equidistantly provided with some breach, indentation, there is respectively mounted
Outer arc plate and inner arc plate, are fixed by puller bolt between arc plate and support.
Described inner support intermediate plate center longitudinally offers some bolts hole and passes through for hold-down bolt, by rotatably compressing
Bolt, by the weld backing inside weld seam and side body compression in curved sheets.
A kind of welding method using above-mentioned large-scale curved plate sheet welding anti-deformation device it is characterised in that：Including as follows
Step：
（1）Inside and outside clamping parts group dress
To be separately mounted on inner support and support arm with lateral curvature identical outer arc plate and inner arc plate in curved sheets to be welded
In the breach of longitudinally asymmetric setting, will be entered between some outer arc plates, inner arc plate and inner support, support arm respectively by puller bolt
Row is fixed, and hold-down bolt is passed through the bolt in the hole in the middle of inner support；
（2）Device overall package
According to curved sheets case outlines shape to be welded, respectively pedestal A and pedestal B is laid out placing, by inside and outside clamping part
Part is fixed on pedestal 1 top, and by fishbolt connect inside and outside hold assembly, adjustment inner arc plate and outer arc plate between
Away from it is ensured that curved sheets can smoothly enter in interior outer arc sheet separation；
（3）Curved sheets clamping welding
After the completion of device overall package, the angle of adjustment pedestal A and pedestal B upper roller, the lower end of curved sheets is placed respectively
In the groove on roller, two pieces of curved sheets are promoted to enter between inside and outside hold assembly from pedestal A both sides, rotation clamping spiral shell
Bolt makes outer arc plate in inside and outside hold assembly and inner arc plate clamp curved sheets from both sides, then in curved sheets weld joint on inner side
Back side field joint liner, adjustment hold-down bolt makes weld backing fit tightly with thin sheet casing, completes the folder to curved sheets
Hold after fixing, outside curved sheets, weld seam is welded.
A kind of large-scale curved plate sheet welding anti-deformation device disclosed in the present invention and method can be used for processing large-scale curved
The yielding problem of plate sheet welding, has that method is simple, highly versatile, the features such as easily operation, anti-deformation effect are good, solves
The unmanageable difficult problem of curved sheets welding deformation, has advantages below compared with traditional method：
1. in the present invention, anti-deformation device be by means of to the welding of large-scale curved thin plate so that the welding deformation of large-scale curved thin plate
Measure effective control, reduced more harsh to welding process aspect requirement during plate sheet welding, improve curved surface
First-time qualification rate in thin sheet casing postwelding curvature checking process.
2. the Anti-deformation device for welding in the present invention grips to curved sheets housing, eliminates in thin plate shell
The operation of the interim holding clamp of body surface soldered, it is to avoid install and remove during fixture to curved sheets coverboard housing curvature
Produce impact, improve the curvature precision after large-scale curved thin sheet casing welding fabrication.
3rd, the highly versatile of the Anti-deformation device for welding in the present invention, the curved sheets for different curvature only need to correspond to choosing
Select curvature identical inner arc plate and outer arc plate therewith, other structures part in device need not be replaced.
Brief description
Fig. 1 is thin plate clamp position extrados schematic diagram of the present invention；
Fig. 2 is thin plate clamp position intrados schematic diagram of the present invention；
Fig. 3 is thin plate clamp position overlooking the structure diagram of the present invention；
Fig. 4 is the present invention inside and outside clamping modular construction schematic diagram；
Fig. 5 is the view of the non-grabbing thin plates of device in the present invention；
Fig. 6 is device grabbing thin plates process schematic in the present invention；
Wherein：1- pedestal A, 2- pedestal B, 3- roller support, 4- bearing pin, 5- roller, 6- inner support, 7- hold-down bolt, 8- outer arc
Plate, 9- support arm, 10- inner arc plate, 11- puller bolt, 12- fishbolt, 13- weld backing, 14- curved sheets, 15- welds
Seam, 16- inner gripping component, 17- outer retaining part part.
Specific embodiment
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail, such as Fig. 1-
Shown in 6, a kind of large-scale curved plate sheet welding anti-deformation device it is characterised in that：Dock including being arranged at two pieces of curved sheets 14
The pedestal A1 of weld seam 15 lower section, and be respectively arranged at the pedestal B2 of two pieces of curved sheets 14 free end bottom, described pedestal A1
With roller 5 is equipped with pedestal B2, curved sheets 14 bottom is vertically installed in the groove on roller 5, and the rolling with roller 5 is left
Right slip curved sheets, described pedestal A1 vertically sets up inner gripping component 16 and outer retaining part part 17, described interior clamping
Part 16 is built in inside curved sheets 14 cambered surface, and outer retaining part part 17 is built in outside curved sheets 14 cambered surface, butt weld
15 are in the middle of inside and outside hold assembly, and described inner gripping component 16 includes inner support 6 and is connected to inner support 6 lateral frame two
Some outer arc plates 8 of side, described outer retaining part part 17 includes support arm 9 and is connected to some interior of support arm 9 inner frame
Arc plate 10, described inner support 6 and support arm 9 are channel steel type framework, pass through fishbolt 12 between inner support 6 and support arm 9
Connect, described support arm 9 intermediate plate center is designed for opening, so that weld seam 15 is exposed, convenient welding；Described inner arc plate 10 table
Face curvature is identical with curved sheets 14 outer arc face curvature, and the surface curvature of outer arc plate 8 is identical with curved sheets 14 inner arc face curvature.
Roller 5 is connected on roller support 3 by bearing pin 4, and roller support 3 is by vertical rotating shaft with pedestal upper surface even
Connect, on pedestal, swing roller bearing 3 is to adjust roller 5 angle.
Inner support 6 and support arm 9 top and bottom have symmetrically arranged bolt hole, pass through bolt hole by fishbolt 12
Support arm in connection, by rotate fishbolt 12 and make inner arc plate 10 in inside and outside hold assembly and outer arc plate 8 to clamp curved surface thin
Plate housing.
Longitudinally asymmetric on inner support 6 and 9 liang of body side frames of support arm be equidistantly provided with some breach, indentation, there is respectively mounted outer arc
Plate 8 and inner arc plate 10, are fixed by puller bolt 11 between arc plate and support.
Inner support 6 intermediate plate center longitudinally offers some bolts hole and passes through, by rotatably compressing bolt for hold-down bolt 7
7, by the weld backing 13 of weld seam 15 inner side and side body compression in curved sheets.
A kind of welding method using above-mentioned large-scale curved plate sheet welding anti-deformation device, comprises the steps：
（4）Inside and outside clamping parts group dress
To be separately mounted on inner support and support arm with curved sheets medial and lateral to be welded curvature identical outer arc plate and inner arc plate
In the breach of longitudinally asymmetric setting, will be entered between some outer arc plates, inner arc plate and inner support, support arm respectively by puller bolt
Row is fixed, and hold-down bolt is passed through the bolt in the hole in the middle of inner support；
（5）Device overall package
According to curved sheets case outlines shape to be welded, respectively pedestal A and pedestal B is laid out placing, by inside and outside clamping part
Part is fixed on pedestal 1 top, and by fishbolt connect inside and outside hold assembly, adjustment inner arc plate and outer arc plate between
Away from it is ensured that curved sheets can smoothly enter in the gap between inside and outside arc plate；
（6）Curved sheets clamping welding
After the completion of device overall package, the angle of adjustment pedestal A and pedestal B upper roller, the lower end of curved sheets is placed respectively
In the groove on roller, two pieces of curved sheets are promoted to enter between inside and outside hold assembly from pedestal A both sides, rotation clamping spiral shell
Bolt makes outer arc plate in inside and outside hold assembly and inner arc plate clamp curved sheets from both sides, then in curved sheets weld joint on inner side
Back side field joint liner, adjustment hold-down bolt makes weld backing fit tightly with thin sheet casing, completes the folder to curved sheets
Hold after fixing, outside curved sheets, weld seam is welded.
The number of the inner arc plate in device and outer arc plate determines according to the height of curved sheets.
Protection scope of the present invention is not limited to the above embodiments it is clear that those skilled in the art can be to this
Bright carry out various change and deformation without deviating from scope and spirit of the present invention.If these are changed and deformation belongs to present invention power
In the range of profit requirement and its equivalent technologies, then the intent of the present invention also comprises these changes and deforms.
Claims (6)
1. a kind of large-scale curved plate sheet welding anti-deformation device it is characterised in that：Including being arranged at two pieces of curved sheets butt welding
The pedestal A of seam lower section, and it is respectively arranged at the pedestal B of two pieces of curved sheets free ends bottom, on described pedestal A and pedestal B
It is equipped with roller, curved sheets bottom is vertically installed in the groove on roller, described pedestal A vertically sets up inner retaining part
Part and outer retaining part part, described inner gripping component is built in inside curved sheets cambered surface, and it is thin that outer retaining part part is built in curved surface
Outside plate cambered surface, butt weld is in the middle of inside and outside hold assembly, and described inner gripping component includes inner support and is connected to interior
Some outer arc plates of stent outer framework both sides, described outer retaining part part includes support arm and is connected to support arm inner frame
Some inner arc plates, described inner support and support arm are channel steel type framework, pass through fishbolt between inner support and support arm
Connect, described support arm intermediate plate center design for opening, so that weld seam is exposed to facilitate and weld, described inner arc plate surface curvature
Identical with curved sheets outer arc face curvature, the surface curvature of outer arc plate is identical with curved sheets inner arc face curvature.
2. as claimed in claim 1 a kind of large-scale curved plate sheet welding anti-deformation device it is characterised in that：Described roller leads to
Cross bearing pin to be connected on roller support, roller support is connected with pedestal upper surface by vertical rotating shaft, swing roller on pedestal
Bearing is to adjust roller angle.
3. as claimed in claim 1 a kind of large-scale curved plate sheet welding anti-deformation device it is characterised in that：Described inner support
There is symmetrically arranged bolt hole with support arm top and bottom, support arm in bolt hole connection is passed through by fishbolt, passes through
Rotation fishbolt makes the inner arc plate in inside and outside hold assembly and outer arc board clamping curved sheets housing.
4. as claimed in claim 1 a kind of large-scale curved plate sheet welding anti-deformation device it is characterised in that：Described inner support
Equidistantly it is provided with some breach with longitudinally asymmetric on support arm two body side frame, indentation, there is respectively mounted outer arc plate and inner arc plate, arc plate
It is fixed by puller bolt and support between.
5. as claimed in claim 1 a kind of large-scale curved plate sheet welding anti-deformation device it is characterised in that：Described inner support
Intermediate plate center longitudinally offers some bolts hole and passes through for hold-down bolt, by rotatably compressing bolt, by the weldering inside weld seam
Seam liner and side body compression in curved sheets.
6. the welding method of the large-scale curved plate sheet welding anti-deformation device described in a kind of utilization any one of claim 1-5, its
It is characterised by：Comprise the steps：
（1）Inside and outside clamping parts group dress
To be separately mounted on inner support and support arm with lateral curvature identical outer arc plate and inner arc plate in curved sheets to be welded
In the breach of longitudinally asymmetric setting, will be entered between some outer arc plates, inner arc plate and inner support, support arm respectively by puller bolt
Row is fixed, and hold-down bolt is passed through the bolt in the hole in the middle of inner support；
（2）Device overall package
According to curved sheets case outlines shape to be welded, respectively pedestal A and pedestal B is laid out placing, by inside and outside clamping part
Part is fixed on pedestal 1 top, and by fishbolt connect inside and outside hold assembly, adjustment inner arc plate and outer arc plate between
Away from it is ensured that curved sheets can smoothly enter in interior outer arc sheet separation；
（3）Curved sheets clamping welding
After the completion of device overall package, the angle of adjustment pedestal A and pedestal B upper roller, the lower end of curved sheets is placed respectively
In the groove on roller, two pieces of curved sheets are promoted to enter between inside and outside hold assembly from pedestal A both sides, rotation clamping spiral shell
Bolt makes outer arc plate in inside and outside hold assembly and inner arc plate clamp curved sheets from both sides, then in curved sheets weld joint on inner side
Back side field joint liner, adjustment hold-down bolt makes weld backing fit tightly with thin sheet casing, completes the folder to curved sheets
Hold after fixing, outside curved sheets, weld seam is welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930958.XA CN106425220B (en) | 2016-10-31 | 2016-10-31 | A kind of large-scale curved plate sheet welding anti-deformation device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610930958.XA CN106425220B (en) | 2016-10-31 | 2016-10-31 | A kind of large-scale curved plate sheet welding anti-deformation device and method |
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| CN106425220A true CN106425220A (en) | 2017-02-22 |
| CN106425220B CN106425220B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262952A (en) * | 2017-05-31 | 2017-10-20 | 中冶天工集团有限公司 | Steel drum ladle thin-walled part vertical welding anti-deformation method |
| CN109454331A (en) * | 2018-11-30 | 2019-03-12 | 上海航天精密机械研究所 | Suitable for manufacturing the bilateral laser welding apparatus of rocket T-type structure siding |
| CN113500329A (en) * | 2021-07-24 | 2021-10-15 | 太仓金泰莱金属制品有限公司 | Stainless steel pipe welding device and welding method thereof |
| CN115476097A (en) * | 2022-09-30 | 2022-12-16 | 昆明市鹤源工贸有限公司 | Fixing device and method for welding automobile sheet metal part |
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| CN205414655U (en) * | 2015-12-18 | 2016-08-03 | 黄建财 | Section bar cutting machine |
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| JPS571571A (en) * | 1980-06-04 | 1982-01-06 | Topy Ind Ltd | Method for butt welding of thin plate |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262952A (en) * | 2017-05-31 | 2017-10-20 | 中冶天工集团有限公司 | Steel drum ladle thin-walled part vertical welding anti-deformation method |
| CN109454331A (en) * | 2018-11-30 | 2019-03-12 | 上海航天精密机械研究所 | Suitable for manufacturing the bilateral laser welding apparatus of rocket T-type structure siding |
| CN109454331B (en) * | 2018-11-30 | 2020-08-04 | 上海航天精密机械研究所 | Double-side laser welding equipment suitable for manufacturing rocket T-shaped structure wall plate |
| CN113500329A (en) * | 2021-07-24 | 2021-10-15 | 太仓金泰莱金属制品有限公司 | Stainless steel pipe welding device and welding method thereof |
| CN115476097A (en) * | 2022-09-30 | 2022-12-16 | 昆明市鹤源工贸有限公司 | Fixing device and method for welding automobile sheet metal part |
| CN115476097B (en) * | 2022-09-30 | 2024-08-23 | 昆明市鹤源工贸有限公司 | Welding processing fixing device and method for automobile sheet metal parts |
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