CN106425220B - A kind of large-scale curved plate sheet welding anti-deformation device and method - Google Patents

A kind of large-scale curved plate sheet welding anti-deformation device and method Download PDF

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Publication number
CN106425220B
CN106425220B CN201610930958.XA CN201610930958A CN106425220B CN 106425220 B CN106425220 B CN 106425220B CN 201610930958 A CN201610930958 A CN 201610930958A CN 106425220 B CN106425220 B CN 106425220B
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China
Prior art keywords
curved
curved sheets
pedestal
arc plate
support
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CN106425220A (en
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杨国强
郭继舟
李少祥
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Wuhan Yiye Steel Structure Co Ltd
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Wuhan Yiye Steel Structure Co Ltd
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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 to a procedure covered by only one of the preceding main groups
    • B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
    • B23K37/0426—Fixtures for other work

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

The present invention provides a kind of large-scale curved plate sheet welding anti-deformation device, including the pedestal A being arranged at below two pieces of curved sheets butt welds, with the pedestal B for being respectively arranged at two pieces of curved sheets free ends bottom, inner gripping component and outer retaining part part are vertically set up on pedestal A, inner gripping component and outer retaining part part are built in outside in curved sheets cambered surface respectively, and some and curved sheets curvature identical outer arc plate and inner arc plate are arranged with inside and outside hold assembly.Specific method includes inside and outside clamping parts group dress, device overall package and curved sheets clamping welding.The present invention can be used for handling the problem of large-scale curved plate sheet welding is yielding, has the characteristics that simple, versatile, the easy operation of method, anti-deformation effect are good, solves the unmanageable problem of curved sheets welding deformation.

Description

A kind of large-scale curved plate sheet welding anti-deformation device and method
Technical field
The invention belongs to Anti-deformation device for welding field, and in particular to a kind of welding suitable for large-scale curved thin plate is preapred for an unfavorable turn of events Shape device and method.
Background technology
Because easily being deformed in welding process the reason for its thickness, it is deformed with complexity and various 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, the analysis of system only is carried out to it, find out the technical measures of its deformation of control, constantly use the experience of accumulation, by Related device can reach the purpose of control 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 examine at any time the deformation around weld seam in the welding process of housing Amount.Meanwhile the both sides of welding point are needed to weld interim holding clamp, and it is removed again after the completion of seam welding to be welded, Gu Determining the welding of fixture and demolishing process can make thin sheet casing produce curvature defomation, influence the curvature precision after case weld shaping. Therefore, it is necessary to a kind of new curved sheets Anti-deformation device for welding and method are provided,
The content of the invention
The problem of existing for prior art, the technical scheme that the present invention uses for solution problems of the prior art It is 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 docking Pedestal A below weld seam, and it is respectively arranged at the pedestal B, described pedestal A and pedestal B of two pieces of curved sheets free ends bottom On be equipped with roller, curved sheets bottom is vertically installed in the groove on roller, and interior clamping is vertically set up on described pedestal A Part and outer retaining part part, described inner gripping component are built on the inside of curved sheets cambered surface, and outer retaining part part is built in curved surface On the outside of thin plate cambered surface, butt weld is among inside and outside hold assembly, and described inner gripping component includes inner support and is connected to Some outer arc plates of inner support lateral frame both sides, described outer retaining part part include support arm and are connected to support arm inner side frame Some inner arc plates of frame, the inner support and support arm are channel steel type framework, by clamping spiral shell between inner support and support arm Tether and connect, described support arm intermediate plate center is designed for opening, makes weld seam exposed, convenient welding, described inner arc plate surface Curvature is identical with curved sheets outer arc face curvature, and 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 connected by vertical rotating shaft and pedestal upper surface Connect, swing roller bearing is to adjust roller angle on pedestal.
There is symmetrically arranged bolt hole at the top and bottom of described inner support and support arm, bolt is passed through by fishbolt Support arm in the connection of hole, make inner arc plate and outer arc board clamping curved sheets shell in inside and outside hold assembly by rotating fishbolt Body.
Longitudinally asymmetric on described inner support and the body side frame of support arm two to be equidistantly provided with some breach, indentation, there is installed respectively Outer arc plate and inner arc plate, it is fixed between arc plate and support by puller bolt.
Described inner support intermediate plate center longitudinally offers some bolts hole and passed through for hold-down bolt, by rotatably compressing Bolt, side body in the weld backing and curved sheets on the inside of weld seam is compressed.
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
Inner support and outer branch will be separately mounted to lateral curvature identical outer arc plate in curved sheets to be welded and inner arc plate On frame in the breach of longitudinally asymmetric setting, by puller bolt respectively by some outer arc plates, inner arc plate and inner support, support arm it Between be fixed, by hold-down bolt through in the bolt hole among inner support；
（2）Device overall package
According to curved sheets case outlines shape to be welded, pedestal A and pedestal B are laid out placement respectively, by curb pins Hold part and be fixed on pedestal A tops, and by fishbolt connect inside and outside hold assembly, adjust between inner arc plate and outer arc plate Spacing, it is ensured that curved sheets smoothly can enter in interior outer arc sheet separation；
（3）Curved sheets clamping welding
After the completion of device overall package, adjustment pedestal A and pedestal B upper rollers angle, the lower end of curved sheets is distinguished It is positioned in the groove on roller, between promoting two pieces of curved sheets from pedestal A both sides into inside and outside hold assembly, rotating clamp Tight bolt makes outer arc plate in inside and outside hold assembly and inner arc plate clamp curved sheets from both sides, then on the inside of curved sheets Back of weld field joint pads, and adjustment hold-down bolt makes weld backing be brought into close contact with thin sheet casing, completes to curved sheets Grip after, weld seam is welded on the outside of the curved sheets.
A kind of large-scale curved plate sheet welding anti-deformation device and method disclosed in the present invention is large-scale curved available for handling The problem of plate sheet welding is yielding, has the characteristics that simple, versatile, the easy operation of method, anti-deformation effect are good, solve The unmanageable problem of curved sheets welding deformation, has advantages below compared with traditional method：
1. the welding in the present invention to large-scale curved thin plate by means of anti-deformation device so that the welding of large-scale curved thin plate Deflection has obtained effective control, reduces more harsh to welding process aspect requirement during plate sheet welding, improves First-time qualification rate in curved sheets housing postwelding curvature checking process.
2. the Anti-deformation device for welding in the present invention grips to curved sheets housing, eliminate in thin plate shell The process of the interim holding clamp of body surface soldered, avoid installation and remove fixture during to curved sheets coverboard housing curvature Have an impact, improve the curvature precision after large-scale curved thin sheet casing welding fabrication.
3rd, the Anti-deformation device for welding in the present invention is versatile, and choosing need to be only corresponded to for the curved sheets of different curvature Curvature identical inner arc plate and outer arc plate therewith are selected, without being replaced to other structures part in device.
Brief description of the drawings
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 inside and outside clamping modular construction schematic diagram of the present invention；
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 pins, 5- rollers, 6- inner supports, 7- hold-down bolts, 8- Outer arc plate, 9- support arms, 10- inner arc plates, 11- puller bolts, 12- fishbolts, 13- weld backings, 14- curved sheets, 15- Weld seam, 16- inner gripping components, 17- outer retaining part parts.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail, as Fig. 1- Shown in 6, a kind of large-scale curved plate sheet welding anti-deformation device, it is characterised in that：Docked including being arranged at two pieces of curved sheets 14 The pedestal A1 of the lower section of weld seam 15, and it is respectively arranged at the pedestal B2, described pedestal A1 of two pieces of free end bottoms of curved sheets 14 With roller 5 is equipped with pedestal B2, the bottom of curved sheets 14 is vertically installed in the groove on roller 5, left with the rolling of roller 5 Right slip curved sheets, inner gripping component 16 and outer retaining part part 17, described interior clamping are vertically set up on described pedestal A1 Part 16 is built on the inside of the cambered surface of curved sheets 14, and outer retaining part part 17 is built on the outside of the cambered surface of curved sheets 14, butt weld 15 among inside and outside hold assembly, and described inner gripping component 16 includes inner support 6 and is connected to the lateral frame two of inner support 6 Some outer arc plates 8 of side, described outer retaining part part 17 include support arm 9 and are connected to some interior of the inner frame of support arm 9 Arc plate 10, the inner support 6 and support arm 9 are channel steel type framework, pass through fishbolt 12 between inner support 6 and support arm 9 Connection, the described intermediate plate center of support arm 9 are designed for opening, make weld seam 15 exposed, convenient welding；The described table of inner arc plate 10 Face curvature is identical with the outer arc face curvature of curved sheets 14, and the surface curvature of outer arc plate 8 is identical with the inner arc face curvature of curved sheets 14.
Roller 5 is connected on roller support 3 by bearing pin 4, and roller support 3 is connected by vertical rotating shaft and pedestal upper surface Connect, swing roller bearing 3 is to adjust the angle of roller 5 on pedestal.
There is symmetrically arranged bolt hole inner support 6 and the top and bottom of support arm 9, and bolt hole is passed through by fishbolt 12 Support arm in connection, make inner arc plate 10 in inside and outside hold assembly by rotating fishbolt 12 and outer arc plate 8 to clamp curved surface thin Plate housing.
Longitudinally asymmetric on 9 liang of body side frames of inner support 6 and support arm to be equidistantly provided with some breach, indentation, there installs outer arc respectively Plate 8 and inner arc plate 10, are fixed between arc plate and support by puller bolt 11.
The intermediate plate center of inner support 6 longitudinally offers some bolts hole and passed through for hold-down bolt 7, by rotatably compressing bolt 7, the weld backing 13 of the inner side of weld seam 15 is compressed with side body in curved sheets.
A kind of welding method using above-mentioned large-scale curved plate sheet welding anti-deformation device, comprise the following steps：
（1）Inside and outside clamping parts group dress
Inner support and outer branch will be separately mounted to curved sheets medial and lateral curvature identical outer arc plate to be welded and inner arc plate On frame in the breach of longitudinally asymmetric setting, by puller bolt respectively by some outer arc plates, inner arc plate and inner support, support arm it Between be fixed, by hold-down bolt through in the bolt hole among inner support；
（2）Device overall package
According to curved sheets case outlines shape to be welded, pedestal A and pedestal B are laid out placement respectively, by curb pins Hold part and be fixed on pedestal A tops, and by fishbolt connect inside and outside hold assembly, adjust between inner arc plate and outer arc plate Spacing, it is ensured that curved sheets smoothly can enter in the gap between inside and outside arc plate；
（3）Curved sheets clamping welding
After the completion of device overall package, adjustment pedestal A and pedestal B upper rollers angle, the lower end of curved sheets is distinguished It is positioned in the groove on roller, between promoting two pieces of curved sheets from pedestal A both sides into inside and outside hold assembly, rotating clamp Tight bolt makes outer arc plate in inside and outside hold assembly and inner arc plate clamp curved sheets from both sides, then on the inside of curved sheets Back of weld field joint pads, and adjustment hold-down bolt makes weld backing be brought into close contact with thin sheet casing, completes to curved sheets Grip after, weld seam is welded on the outside of the curved sheets.
The number of inner arc plate and outer arc plate in device 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 hair It is bright to carry out various changes and deformation without departing from scope and spirit of the present invention.If these changes and deformation belong to power of the present invention In the range of profit requirement and its equivalent technologies, then including the intent of the present invention is also changed and deformed comprising these.

Claims (6)

  1. A kind of 1. 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 lower section is stitched, and is respectively arranged on the pedestal B, described pedestal A and pedestal B of two pieces of curved sheets free ends bottom Roller is equipped with, curved sheets bottom is vertically installed in the groove on roller, and inner retaining part is vertically set up on described pedestal A Part and outer retaining part part, described inner gripping component are built on the inside of curved sheets cambered surface, and it is thin that outer retaining part part is built in curved surface Plate cambered surface outside, butt weld are among 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 include support arm and are connected to support arm inner frame Some inner arc plates, the inner support and support arm are channel steel type framework, pass through fishbolt between inner support and support arm Connection, described support arm intermediate plate center are designed for opening, make the exposed convenient welding of weld seam, 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. A kind of 2. large-scale curved plate sheet welding anti-deformation device as claimed in claim 1, it is characterised in that：Described roller leads to Cross bearing pin to be connected on roller support, roller support is connected by vertical rotating shaft with pedestal upper surface, the swing roller on pedestal Bearing is to adjust roller angle.
  3. A kind of 3. large-scale curved plate sheet welding anti-deformation device as claimed in claim 1, it is characterised in that：Described inner support There is symmetrically arranged bolt hole with support arm top and bottom, by fishbolt through support arm in bolt hole connection, pass through Rotation fishbolt makes the inner arc plate and outer arc board clamping curved sheets housing in inside and outside hold assembly.
  4. A kind of 4. large-scale curved plate sheet welding anti-deformation device as claimed in claim 1, it is characterised in that：Described inner support Some breach are equidistantly provided with longitudinally asymmetric on the body side frame of support arm two, indentation, there installs outer arc plate and inner arc plate, arc plate respectively It is fixed between support by puller bolt.
  5. A kind of 5. large-scale curved plate sheet welding anti-deformation device as claimed in claim 1, it is characterised in that：Described inner support Intermediate plate center longitudinally offers some bolts hole and passed through for hold-down bolt, by rotatably compressing bolt, by the weldering on the inside of weld seam Seam pad compresses with side body in curved sheets.
  6. 6. a kind of welding method of large-scale curved plate sheet welding anti-deformation device using described in claim any one of 1-5, its It is characterised by：Comprise the following steps：
    （1）Inside and outside clamping parts group dress
    It will be separately mounted to lateral curvature identical outer arc plate in curved sheets to be welded and inner arc plate on inner support and support arm In the breach of longitudinally asymmetric setting, it will be entered respectively between some outer arc plates, inner arc plate and inner support, support arm by puller bolt Row is fixed, and hold-down bolt is passed through in the bolt hole among inner support；
    （2）Device overall package
    According to curved sheets case outlines shape to be welded, pedestal A and pedestal B are laid out placement respectively, by inside and outside clamping part Part is fixed on pedestal A tops, and by fishbolt connect inside and outside hold assembly, between adjusting between inner arc plate and outer arc plate Away from, it is ensured that curved sheets smoothly can enter in interior outer arc sheet separation；
    （3）Curved sheets clamping welding
    After the completion of device overall package, adjustment pedestal A and pedestal B upper rollers angle, the lower end of curved sheets is placed respectively Between in the groove on roller, promoting two pieces of curved sheets to enter inside and outside hold assembly from pedestal A both sides, rotation clamps 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 pad, adjustment hold-down bolt make weld backing be brought into close contact with thin sheet casing, complete the folder to curved sheets Hold after fixing, weld seam is welded from curved sheets outside.
CN201610930958.XA 2016-10-31 2016-10-31 A kind of large-scale curved plate sheet welding anti-deformation device and method Active CN106425220B (en)

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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
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
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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CN205096761U (en) * 2015-11-20 2016-03-23 沈阳黎明航空发动机(集团)有限责任公司 A protection device for local micro -arc oxidation of radome fairing
CN205166260U (en) * 2015-10-27 2016-04-20 浙江杭能新能源车业有限公司 Integral welding tool equipment of rear axle camber beam
CN205414655U (en) * 2015-12-18 2016-08-03 黄建财 Section bar cutting machine

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CN1184013A (en) * 1996-11-11 1998-06-10 日铁溶接工业株式会社 Single-side welding apparatus and method for bent plate
CN203918301U (en) * 2014-05-12 2014-11-05 上海市安装工程集团有限公司 The stainless steel spherical tank spherical shell assembling parts instrument of anti-welding deformation
CN104827225A (en) * 2015-05-14 2015-08-12 广西梧州运龙港船机械制造有限公司 Welding method of inner wall plate of diversion pipe
CN204867941U (en) * 2015-08-10 2015-12-16 南车长江车辆有限公司 Assembly welding equipment of curved surface apron
CN204843528U (en) * 2015-08-13 2015-12-09 宁夏德信恒通管业有限公司 Rotatory cutting platform of gear formula
CN205166260U (en) * 2015-10-27 2016-04-20 浙江杭能新能源车业有限公司 Integral welding tool equipment of rear axle camber beam
CN205096761U (en) * 2015-11-20 2016-03-23 沈阳黎明航空发动机(集团)有限责任公司 A protection device for local micro -arc oxidation of radome fairing
CN205414655U (en) * 2015-12-18 2016-08-03 黄建财 Section bar cutting machine

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