CN105269167A - Full-load van front body plate welding process - Google Patents
Full-load van front body plate welding process Download PDFInfo
- Publication number
- CN105269167A CN105269167A CN201510819347.3A CN201510819347A CN105269167A CN 105269167 A CN105269167 A CN 105269167A CN 201510819347 A CN201510819347 A CN 201510819347A CN 105269167 A CN105269167 A CN 105269167A
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- China
- Prior art keywords
- welding
- railway carriage
- compartment
- weld
- plate
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Classifications
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention provides a full-load van front body plate welding process. By regulating welding process parameters, regulating a welding sequence and adopting means of applying pre-deformation to a front body plate, and the like in a welding process, the defects such as a complex production process, low production efficiency, a low product qualified rate, high energy consumption and the like of a current process are solved, so that the welding seam quality is guaranteed, welding deformation is greatly improved, the product qualified rate is increased, energy resource consumption is reduced, production cost is reduced and production efficiency is remarkably improved.
Description
Technical field
The invention belongs to aluminum alloy solder technology field, be specifically related to a kind of full carrying van-type front part of the carriage plate welding procedure.
Background technology
Van is van again, is mainly used in the various article of hermetically sealed transport, and it has maneuverability, easy to operate, and efficient work, freight volume are large, makes full use of space and the advantage such as safe, reliable.
In prior art, van-type front part of the carriage plate is made up of the railway carriage or compartment profile material of upper and lower side bar, two edge columns and centre, in van-type front part of the carriage plate welding production, weld seam due to front railway carriage or compartment plate is long straight weld and asymmetric weld seam (as shown in Figure 1), be out of shape bad control, post welding distortion is overproof, causes car load assembling process to occur assembling difficult problem, and it is concentrated easily to produce stress after assembling, have a strong impact on plate docking profile material place, railway carriage or compartment, front railway carriage or compartment welding bead quality.
In addition, because van-type front part of the carriage plate is when adjusting, can only flame repairing be adopted and mechanical adjusting cannot be used, and flame repairing scope is comparatively large, requires very high to operator, wayward adjusting temperature and speed, therefore be difficult to ensure mother metal mechanical performance; And there is the defects such as production process is loaded down with trivial details, production efficiency is low, product percent of pass is low, energy consumption is high.
Summary of the invention
In view of this, the object of the present invention is to provide one can reduce adjusting number of times, improve production efficiency and yield rate, and the full carrying van-type front part of the carriage plate welding procedure of production cost can be reduced.
For achieving the above object, the invention provides following technical scheme: a kind of full carrying van-type front part of the carriage plate welding procedure, mainly comprises following steps:
1) adjust welding condition, requiring within the scope of welding current, to improve bonding power and speed of welding;
2) adjust welding sequence and predeformation applied to front railway carriage or compartment plate, specifically comprising following operation:
A, section bar entirety group is right;
B, the gap controlling between each parts, the outer side weld 1,2,3,4 between tack welding railway carriage or compartment profile material and upper and lower side bar and column;
C, upset are installed front railway carriage or compartment plate, the weld joint on inner side 5,6,7,8 between continuous welding railway carriage or compartment profile material and upper and lower side bar and column;
D, upset are installed front railway carriage or compartment plate apply predeformation to the upper and lower side bar place of front railway carriage or compartment plate in the process of being installed, and applied amount adjusts according to the deflection produced during welding weld joint on inner side;
Solid outer side weld has been put in e, reconditioning, welds outer side weld 1,2,3,4, guarantees that medial and lateral weld seam welding direction is consistent;
F, upset are installed front railway carriage or compartment plate, fix front railway carriage or compartment plate two heel post when being installed, and apply predeformation in the front railway carriage or compartment plate center that the same, lower-edge beam parallel, and front railway carriage or compartment plate is raised up, and adopt the weldering of being broken by each railway carriage or compartment profile material of the order of both sides after first to weld together.
Further, step 1) in, welding current is 140 ~ 160A, and weldingvoltage is 19.7 ~ 22.0V, and speed of welding is 90cm/min.
Further, step 2) b operation in, the solid length of point is 40mm, and the spacing between adjacent tack-weld is 500mm.
Further, step 2) f operation in, carry out the welding of hypomere weld seam again after last disconnected weldering welding line cooling, disconnected welding line length is 300mm.
Further, step 2) f operation in, utilize cushion block to apply predeformation to front railway carriage or compartment plate center, cushion block height H is 20 ~ 30mm, and the central axis L apart from upper and lower side bar is 250mm.
Beneficial effect of the present invention is: both ensure that weldquality, substantially reduces welding deformation again, improves the qualification rate of product, reduces energy resource consumption, has saved production cost, has significantly improved production efficiency.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearly, the invention provides following accompanying drawing and being described:
Fig. 1 is the outer side weld distribution schematic diagram of front railway carriage or compartment plate;
Fig. 2 is front railway carriage or compartment plate weld joint on inner side distribution schematic diagram;
Fig. 3 is that front railway carriage or compartment plate breaks welding line welding sequence schematic diagram;
Fig. 4 is front railway carriage or compartment plate reversible deformation schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in the figure, the full carrying van-type front part of the carriage plate welding procedure in the present invention, mainly comprises following steps:
1) adjust welding condition, wherein welding current is 140 ~ 160A, and weldingvoltage is 19.7 ~ 22.0V, and speed of welding is 90cm/min; Under the prerequisite meeting weldquality, requiring suitably to improve bonding power and speed of welding within the scope of welding current, the dissipation speed of weld seam ambient heat can be accelerated, thus reduce welding deformation amount, and improve production efficiency.
2) adjust welding sequence and predeformation applied to front railway carriage or compartment plate, specifically comprising following operation:
A, section bar entirety group is right;
B, the gap controlling between each parts, the outer side weld 1,2,3,4 between tack welding railway carriage or compartment profile material and upper and lower side bar and column; Wherein, the solid length of point is 40mm, and the spacing between adjacent tack-weld is 500mm;
C, upset are installed front railway carriage or compartment plate, the weld joint on inner side 5,6,7,8 between continuous welding railway carriage or compartment profile material and upper and lower side bar and column;
D, upset are installed front railway carriage or compartment plate apply predeformation to the upper and lower side bar place of front railway carriage or compartment plate in the process of being installed, and applied amount adjusts according to the deflection produced during welding weld joint on inner side;
Solid outer side weld has been put in e, reconditioning, welds outer side weld 1,2,3,4, guarantees that medial and lateral weld seam welding direction is consistent;
F, upset are installed front railway carriage or compartment plate, fix front railway carriage or compartment plate two heel post when being installed, and apply predeformation in the front railway carriage or compartment plate center that the same, lower-edge beam parallel, and front railway carriage or compartment plate is raised up, and adopt the weldering of being broken by each railway carriage or compartment profile material of the order of both sides after first to weld together; In welding process, carry out the welding of hypomere weld seam again after needing last disconnected weldering welding line cooling, disconnected welding line length is 300mm.
By substep welding, alleviate Thermal Cycle impact, reduce the heat of front railway carriage or compartment plate welding bead end, thus alleviate welding deformation; In addition, by applying predeformation, the welding deformation produced in welding process is counteracted.
Embodiment one
1) welding condition is controlled: welding current is 150A, and weldingvoltage is 20V, and speed of welding is 90cm/min;
2) adjust welding sequence and predeformation applied to front railway carriage or compartment plate, specifically comprising following operation:
A, section bar entirety group is right;
B, the gap controlling between each parts, the outer side weld 1,2,3,4 between tack welding railway carriage or compartment profile material and upper and lower side bar and column; Wherein, the solid length of point is 40mm, and the spacing between adjacent tack-weld is 500mm;
C, upset are installed front railway carriage or compartment plate, the weld joint on inner side 5,6,7,8 between continuous welding railway carriage or compartment profile material and upper and lower side bar and column;
D, upset are installed front railway carriage or compartment plate apply predeformation to the upper and lower side bar place of front railway carriage or compartment plate in the process of being installed, and applied amount adjusts according to the deflection produced during welding weld joint on inner side;
Solid outer side weld has been put in e, reconditioning, welds outer side weld 1,2,3,4, guarantees that medial and lateral weld seam welding direction is consistent;
F, upset are installed front railway carriage or compartment plate, front railway carriage or compartment plate two heel post is fixed when being installed, and the same, lower-edge beam parallel, front railway carriage or compartment plate center applies predeformation, and front railway carriage or compartment plate is raised up, and adopts the weldering of being broken by the weld seam 9 between the profile material of each railway carriage or compartment of the order of both sides after first to weld together; In welding process, carry out the welding of hypomere weld seam again after needing last disconnected weldering welding line cooling, disconnected welding line length is 300mm; Wherein, when applying predeformation, cushion block 10 can be utilized to apply predeformation to front railway carriage or compartment plate center, and the high H of cushion block 10 is 20 ~ 30mm, and the central axis L apart from upper and lower side bar is 250mm.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (5)
1. a full carrying van-type front part of the carriage plate welding procedure, is characterized in that mainly comprising following steps:
1) adjust welding condition, requiring within the scope of welding current, to improve bonding power and speed of welding;
2) adjust welding sequence and predeformation applied to front railway carriage or compartment plate, specifically comprising following operation:
A, section bar entirety group is right;
B, the gap controlling between each parts, the outer side weld 1,2,3,4 between tack welding railway carriage or compartment profile material and upper and lower side bar and column;
C, upset are installed front railway carriage or compartment plate, the weld joint on inner side 5,6,7,8 between continuous welding railway carriage or compartment profile material and upper and lower side bar and column;
D, upset are installed front railway carriage or compartment plate apply predeformation to the upper and lower side bar place of front railway carriage or compartment plate in the process of being installed, and applied amount adjusts according to the deflection produced during welding weld joint on inner side;
Solid outer side weld has been put in e, reconditioning, welds outer side weld 1,2,3,4, guarantees that medial and lateral weld seam welding direction is consistent;
F, upset are installed front railway carriage or compartment plate, fix front railway carriage or compartment plate two heel post when being installed, and apply predeformation in the front railway carriage or compartment plate center that the same, lower-edge beam parallel, and front railway carriage or compartment plate is raised up, and adopt the weldering of being broken by each railway carriage or compartment profile material of the order of both sides after first to weld together.
2. full carrying van-type front part of the carriage plate welding procedure according to claim 1, is characterized in that: step 1) in, welding current is 140 ~ 160A, and weldingvoltage is 19.7 ~ 22.0V, and speed of welding is 90cm/min.
3. full carrying van-type front part of the carriage plate welding procedure according to claim 1, is characterized in that: step 2) b operation in, the solid length of point is 40mm, and the spacing between adjacent tack-weld is 500mm.
4. full carrying van-type front part of the carriage plate welding procedure according to claim 1, is characterized in that: step 2) f operation in, carry out the welding of hypomere weld seam again after last disconnected weldering welding line cooling, disconnected welding line length is 300mm.
5. full carrying van-type front part of the carriage plate welding procedure according to claim 1, it is characterized in that: step 2) f operation in, utilize cushion block to apply predeformation to front railway carriage or compartment plate center, cushion block height H is 20 ~ 30mm, and the central axis L apart from upper and lower side bar is 250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819347.3A CN105269167B (en) | 2015-11-20 | 2015-11-20 | It is complete to carry van-type front part of the carriage plate weld technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510819347.3A CN105269167B (en) | 2015-11-20 | 2015-11-20 | It is complete to carry van-type front part of the carriage plate weld technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105269167A true CN105269167A (en) | 2016-01-27 |
| CN105269167B CN105269167B (en) | 2017-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510819347.3A Active CN105269167B (en) | 2015-11-20 | 2015-11-20 | It is complete to carry van-type front part of the carriage plate weld technique |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414258A (en) * | 2017-08-04 | 2017-12-01 | 常州今创风挡系统有限公司 | Bent angle profile welding method under high ferro outer hood bottom |
| CN109514118A (en) * | 2018-12-21 | 2019-03-26 | 辽宁忠旺特种车辆制造有限公司 | A kind of big gooseneck container side plate welding procedure |
| CN112296584A (en) * | 2020-12-11 | 2021-02-02 | 洛阳豫安金属结构有限公司 | Anti-deformation jig frame for welded steel box girder bridge deck plate and anti-deformation regulating quantity calculation method |
Citations (7)
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| JPH0246988A (en) * | 1988-08-08 | 1990-02-16 | Nippon Steel Corp | Butt welding device |
| US5550345A (en) * | 1992-04-12 | 1996-08-27 | Elpatronic Ag | Process and device for welding sheets by laser to form compound sheets |
| JP2011110582A (en) * | 2009-11-26 | 2011-06-09 | Kobe Steel Ltd | Backing device and welding method |
| CN102275044A (en) * | 2011-07-13 | 2011-12-14 | 铁道部运输局 | Method for welding plate materials |
| CN102513654A (en) * | 2011-12-30 | 2012-06-27 | 大连三高集团有限公司 | Cold roll forming online automatic welding device |
| CN104785977A (en) * | 2015-05-09 | 2015-07-22 | 龙口市正通钢构建设有限公司 | Automatic welding device of box-type steel member |
| CN104972246A (en) * | 2015-07-24 | 2015-10-14 | 柳州职业技术学院 | Carriage plate robot welding automatic production line |
-
2015
- 2015-11-20 CN CN201510819347.3A patent/CN105269167B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0246988A (en) * | 1988-08-08 | 1990-02-16 | Nippon Steel Corp | Butt welding device |
| US5550345A (en) * | 1992-04-12 | 1996-08-27 | Elpatronic Ag | Process and device for welding sheets by laser to form compound sheets |
| JP2011110582A (en) * | 2009-11-26 | 2011-06-09 | Kobe Steel Ltd | Backing device and welding method |
| CN102275044A (en) * | 2011-07-13 | 2011-12-14 | 铁道部运输局 | Method for welding plate materials |
| CN102513654A (en) * | 2011-12-30 | 2012-06-27 | 大连三高集团有限公司 | Cold roll forming online automatic welding device |
| CN104785977A (en) * | 2015-05-09 | 2015-07-22 | 龙口市正通钢构建设有限公司 | Automatic welding device of box-type steel member |
| CN104972246A (en) * | 2015-07-24 | 2015-10-14 | 柳州职业技术学院 | Carriage plate robot welding automatic production line |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414258A (en) * | 2017-08-04 | 2017-12-01 | 常州今创风挡系统有限公司 | Bent angle profile welding method under high ferro outer hood bottom |
| CN109514118A (en) * | 2018-12-21 | 2019-03-26 | 辽宁忠旺特种车辆制造有限公司 | A kind of big gooseneck container side plate welding procedure |
| CN112296584A (en) * | 2020-12-11 | 2021-02-02 | 洛阳豫安金属结构有限公司 | Anti-deformation jig frame for welded steel box girder bridge deck plate and anti-deformation regulating quantity calculation method |
| CN112296584B (en) * | 2020-12-11 | 2022-06-24 | 洛阳豫安金属结构有限公司 | Anti-deformation jig frame for welded steel box girder bridge deck plate and anti-deformation regulating quantity calculation method |
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| Publication number | Publication date |
|---|---|
| CN105269167B (en) | 2017-06-23 |
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