CN212239613U - Laser-resistance pressure composite welding device for cylindrical thin-wall strong support structure - Google Patents
Laser-resistance pressure composite welding device for cylindrical thin-wall strong support structure Download PDFInfo
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- CN212239613U CN212239613U CN202020364726.4U CN202020364726U CN212239613U CN 212239613 U CN212239613 U CN 212239613U CN 202020364726 U CN202020364726 U CN 202020364726U CN 212239613 U CN212239613 U CN 212239613U
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- 238000003466 welding Methods 0.000 title claims abstract description 103
- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
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Abstract
The utility model provides a laser-resistance pressure composite welding device for a cylindrical thin-wall strong supporting structure, which comprises a workbench, a resistance pressure welding assembly, a laser welding assembly, a workpiece to be welded and a composite welding fixture; the composite welding fixture is arranged on a workbench in the middle, workpieces to be welded are arranged in a positioning die of the composite welding fixture in a built-in mode, the three groups of resistance pressure welding assemblies are arranged on the workbench and are arranged in parallel with a rectangular through groove of the positioning die, and the laser welding assembly is fixed on the workbench and is positioned above the composite welding fixture; the device optimizes the design welded structure according to the stress state of the support piece, utilizes laser to weld along the edge contour seam of the arc-shaped curved surface of the support piece and the fitting region of the outer wall of the cylindrical thin-wall shell, and combines resistance pressure welding, thereby greatly improving the bearing capacity of the support piece.
Description
Technical Field
The utility model belongs to the laser welding field, concretely relates to strong bearing structure laser-resistance pressure hybrid welding device of cylindric thin wall.
Background
The strong bearing structure of cylindric thin wall is common key support and locating component in electromechanical field, possess functions such as sealed, transmission, bear, its traditional welding process is mostly resistance pressure welding, mostly manual operation, not only production efficiency is low, and welded quality and tolerance fit precision are all difficult to the accuse, it is low to have a bearing strength for a long time, high temperature resistant, acid environment ability is weak, long-time vibration easily arouses fatigue effect scheduling problem during the labour, cause the welding faying face to break easily, corrode or damage, arouse the incident even.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to above-mentioned prior art not enough, provide cylindric thin wall strong bearing structure laser-resistance pressure hybrid welding device, on traditional resistance pressure welds's basis, utilize laser to carry out seam welding at the key faying face simultaneously, improve the adaptability of welded intensity and complicated operating mode and environment, welding efficiency is fast, welding quality is high, technological repeatability is good.
The utility model discloses a realize through following technical scheme:
a laser-resistance pressure composite welding device for a cylindrical thin-wall strong supporting structure comprises a workbench, a resistance pressure welding assembly, a laser welding assembly, a workpiece to be welded and a composite welding fixture; the composite welding fixture is arranged on the workbench in the middle, workpieces to be welded are arranged in a positioning die of the composite welding fixture in a built-in mode, the three groups of resistance pressure welding assemblies are arranged on the workbench and are arranged in parallel with the rectangular through groove of the positioning die, and the laser welding assembly is fixed on the workbench and is positioned above the composite welding fixture;
the resistance pressure welding assembly comprises an L-shaped fixing frame, a first air cylinder, a cylindrical connecting rod and a resistance pressure welding head; the first air cylinder is installed on the workbench through an L-shaped fixing frame, an internal thread blind hole at one end of the cylindrical connecting rod is installed in a matched mode with the tail end of a piston rod of the first air cylinder, and an external thread at the other end of the cylindrical connecting rod is installed in a matched mode with a threaded hole formed in the middle of the resistance pressure welding head;
the device comprises a truss, an X-direction electric module, a Y-direction electric module, a Z-direction electric module, an L-shaped connecting plate and a laser welding head; the X-direction electric module is fixed on the truss, the Y-direction electric module is installed on the X-direction electric module, the Z-direction electric module is installed on the Y-direction electric module through an L-shaped connecting plate, the laser welding head is installed on a sliding block of the Z-direction electric module, and X, Y, Z three-direction compound motion can be realized under the combined action of an X-direction electric module, a Y-direction electric module and a Z-direction electric module which jointly form an XYZ three-axis motion system;
the workpiece to be welded comprises a cylindrical thin-wall shell and a supporting piece; the supporting pieces are L-shaped integrally, one side end surface of each supporting piece is arc-shaped, and three groups of supporting pieces are uniformly distributed on the outer side of the cylindrical thin-wall shell;
the composite welding fixture comprises a positioning die, an upright post and a hexagon nut; the positioning die is arranged on the workbench through three upright posts and is locked through three hexagonal nuts;
the positioning die comprises a cylindrical thin-wall shell placing position, a supporting piece placing position, a rectangular through groove and a through hole; the cylindrical thin-wall shell is provided with three groups of cylindrical grooves, the supporting pieces are uniformly distributed on the periphery of the cylindrical thin-wall shell, the rectangular through grooves are distributed on different vertical end faces of the positioning die and are consistent with the direction of the supporting pieces in the placement direction, and the through holes are distributed on the positioning die in three groups.
The utility model discloses following beneficial effect has:
1. the utility model optimally designs the welding structure according to the bending moment force state of the supporting piece in the service process, utilizes laser to seam weld along the edge contour of the laminating area of the arc curved surface of the supporting piece and the outer wall of the cylindrical thin-wall shell, and simultaneously combines resistance pressure welding, effectively solves the defects of easy crack and fracture of pure resistance pressure welding, and greatly improves the maximum bearing capacity of the supporting piece;
2. the laser welding assembly and the resistance pressure welding assembly provided by the utility model both realize automatic operation, and effectively improve the welding efficiency and precision;
3. the utility model discloses a laser-resistance pressure hybrid welding can effectively adjust welding temperature field and stress field, improves the welding seam crystallization condition, changes the size distribution of crystalline grain, reduces defects such as gas pocket, hot crack and residual stress to realize the welding effect that the independent heat source can't reach.
Drawings
Fig. 1 is a structural diagram of a laser-resistance pressure hybrid welding device for a cylindrical thin-wall strong support structure of the present invention;
FIG. 2 is a block diagram of a resistance pressure welding assembly;
FIG. 3 is a block diagram of a laser welded assembly;
FIG. 4 is a block diagram of a work piece to be welded;
FIG. 5 is a structural view of a composite welding jig;
FIG. 6 is a block diagram of a positioning die;
the meanings of the reference symbols in the figures are as follows:
the welding device comprises a workbench 1, a resistance pressure welding component 2, a laser welding component 3, a workpiece 4 to be welded, a composite welding fixture 5, an L-shaped fixing frame 201, a first air cylinder 202, a cylindrical connecting rod 203, a resistance pressure welding head 204, a truss 301, an X-direction electric module 302, a Y-direction electric module 303, a Z-direction electric module 304, an L-shaped connecting plate 305, a laser welding head 306, a cylindrical thin-wall shell 401, a support 402, a positioning die 501, a stand 502, a hexagon nut 503, a cylindrical thin-wall shell placement part 50101, a support placement part 50102, a rectangular through groove 50103 and a through hole 50104.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a laser-resistance pressure composite welding device for a cylindrical thin-wall strong supporting structure, which comprises a workbench 1, a resistance pressure welding component 2, a laser welding component 3, a workpiece to be welded 4 and a composite welding fixture 5; the composite welding fixture 5 is arranged on the workbench 1 in the middle, the workpieces 4 to be welded are arranged in the positioning die 501 of the composite welding fixture 5, the three groups of resistance pressure welding assemblies 2 are arranged on the workbench 1 and are parallel to the rectangular through groove 50103 of the positioning die 501, and the laser welding assembly 3 is fixed on the workbench 1 and is positioned above the composite welding fixture 5;
the resistance pressure welding assembly 2 comprises an L-shaped fixing frame 201, a first cylinder 202, a cylindrical connecting rod 203 and a resistance pressure welding head 204; the first air cylinder 202 is installed on the workbench 1 through an L-shaped fixing frame 201, an internal thread blind hole at one end of the cylindrical connecting rod 203 is installed in a matched mode with the tail end of a piston rod of the first air cylinder 202, and an external thread at the other end of the cylindrical connecting rod is installed in a matched mode with a threaded hole arranged in the center of the resistance pressure welding head 204;
the laser welding component 3 comprises a truss 301, an X-direction electric module 302, a Y-direction electric module 303, a Z-direction electric module 304, an L-shaped connecting plate 305 and a laser welding head 306; an X-direction electric module 302 is fixed on a truss 301, a Y-direction electric module 303 is installed on the X-direction electric module 302, a Z-direction electric module 304 is installed on the Y-direction electric module 303 through an L-shaped connecting plate 305, a laser welding head 306 is installed on a sliding block of the Z-direction electric module 304, and X, Y, Z three-direction compound motion can be realized under the combined action of an XYZ three-axis motion system formed by the X-direction electric module 302, the Y-direction electric module 303 and the Z-direction electric module 304;
the workpiece 4 to be welded comprises a cylindrical thin-wall shell 401 and a support 402; the supporting pieces 402 are L-shaped as a whole, one side end surface of each supporting piece 402 is arc-shaped, and three groups of the supporting pieces 402 are uniformly distributed on the outer side of the cylindrical thin-wall shell 401;
the composite welding fixture 5 comprises a positioning die 501, a stand column 502 and a hexagonal nut 503; the positioning die 501 is arranged on the workbench 1 through three upright posts 502 and is locked through three hexagonal nuts 503;
the positioning die 501 comprises a cylindrical thin-wall shell placing part 50101, a support placing part 50102, a rectangular through groove 50103 and a through hole 50104; the cylindrical thin-wall shell placing positions 50101 are cylindrical grooves, the supporting piece placing positions 50102 are three groups, the three groups are uniformly distributed on the periphery of the cylindrical thin-wall shell placing positions 50101, the three groups of rectangular through grooves 50103 are distributed on different vertical end faces of the positioning die 501 and are consistent with the direction of the supporting piece placing positions 50102, and the three groups of through holes 50104 are distributed on the positioning die 501;
the welding device comprises a workbench 1, a resistance pressure welding component 2, a laser welding component 3, a workpiece 4 to be welded, a composite welding fixture 5, an L-shaped fixing frame 201, a first air cylinder 202, a cylindrical connecting rod 203, a resistance pressure welding head 204, a truss 301, an X-direction electric module 302, a Y-direction electric module 303, a Z-direction electric module 304, an L-shaped connecting plate 305, a laser welding head 306, a cylindrical thin-wall shell 401, a support 402, a positioning die 501, a stand 502, a hexagon nut 503, a cylindrical thin-wall shell placement part 50101, a support placement part 50102, a rectangular through groove 50103 and a through hole 50104;
the working process of the laser-resistance pressure composite welding device for the cylindrical thin-wall strong support structure is as follows:
firstly, a cylindrical thin-wall shell 401 is manually placed at a cylindrical thin-wall shell placing position 50101, then three supports 402 are sequentially placed at corresponding support placing positions 50102, then a laser welding head 306 is moved to a position above an attaching area of an arc-shaped curved surface of each support 402 and the outer wall of the cylindrical thin-wall shell 401, laser is started to perform edge contour seam welding, meanwhile, a resistance pressure welding assembly 2 at a corresponding position is started to weld the outer wall of one side of each support 402, after welding is completed, the resistance pressure welding assembly 2 at a first corresponding position is reset, the laser welding head 306 is moved to a position above a next position to be welded, and a resistance pressure welding assembly 2 at a second corresponding position is started to perform laser-resistance pressure composite welding, so that all welding processes are completed.
The invention may be modified in many ways which will be obvious to a person skilled in the art, and such modifications are not to be considered as a departure from the scope of the invention. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claim.
Claims (1)
1. A laser-resistance pressure composite welding device for a cylindrical thin-wall strong support structure is characterized by comprising a workbench (1), a resistance pressure welding assembly (2), a laser welding assembly (3), a workpiece (4) to be welded and a composite welding fixture (5); the composite welding fixture (5) is arranged on the workbench (1) in the middle, workpieces (4) to be welded are arranged in a positioning die (501) of the composite welding fixture (5) in a built-in mode, three groups of resistance pressure welding assemblies (2) are arranged on the workbench (1) and are arranged in parallel with a rectangular through groove (50103) of the positioning die (501), and the laser welding assembly (3) is fixed on the workbench (1) and is positioned above the composite welding fixture (5);
the resistance pressure welding assembly (2) comprises an L-shaped fixing frame (201), a first air cylinder (202), a cylindrical connecting rod (203) and a resistance pressure welding head (204); the first air cylinder (202) is installed on the workbench (1) through an L-shaped fixing frame (201), an internal thread blind hole at one end of the cylindrical connecting rod (203) is installed in a matched mode with the tail end of a piston rod of the first air cylinder (202), and an external thread at the other end of the cylindrical connecting rod is installed in a matched mode with a threaded hole formed in the center of the resistance pressure welding head (204);
the laser welding assembly (3) comprises a truss (301), an X-direction electric module (302), a Y-direction electric module (303), a Z-direction electric module (304), an L-shaped connecting plate (305) and a laser welding head (306); the X-direction electric module (302) is fixed on the truss (301), the Y-direction electric module (303) is installed on the X-direction electric module (302), the Z-direction electric module (304) is installed on the Y-direction electric module (303) through an L-shaped connecting plate (305), the laser welding head (306) is installed on a sliding block of the Z-direction electric module (304), and X, Y, Z three-direction compound motion can be realized under the combined action of an XYZ three-axis motion system jointly formed by the X-direction electric module (302), the Y-direction electric module (303) and the Z-direction electric module (304);
the workpiece (4) to be welded comprises a cylindrical thin-wall shell (401) and a support (402); the supporting pieces (402) are L-shaped integrally, one side end surface of each supporting piece is arc-shaped, and three groups of the supporting pieces (402) are uniformly distributed on the outer side of the cylindrical thin-wall shell (401);
the composite welding fixture (5) comprises a positioning die (501), a stand column (502) and a hexagonal nut (503); the positioning die (501) is arranged on the workbench (1) through three upright posts (502) and is locked through three hexagonal nuts (503);
the positioning die (501) comprises a cylindrical thin-wall shell placing part (50101), a support placing part (50102), a rectangular through groove (50103) and a through hole (50104); the cylindrical thin-wall shell placing positions (50101) are cylindrical grooves, the supporting piece placing positions (50102) are three groups, the three groups are uniformly distributed on the periphery of the cylindrical thin-wall shell placing positions (50101), the three groups of rectangular through grooves (50103) are distributed on different vertical end faces of the positioning die (501) and are consistent with the direction of the supporting piece placing positions (50102), and the three groups of through holes (50104) are distributed on the positioning die (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020364726.4U CN212239613U (en) | 2020-03-21 | 2020-03-21 | Laser-resistance pressure composite welding device for cylindrical thin-wall strong support structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020364726.4U CN212239613U (en) | 2020-03-21 | 2020-03-21 | Laser-resistance pressure composite welding device for cylindrical thin-wall strong support structure |
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| CN212239613U true CN212239613U (en) | 2020-12-29 |
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| CN202020364726.4U Expired - Fee Related CN212239613U (en) | 2020-03-21 | 2020-03-21 | Laser-resistance pressure composite welding device for cylindrical thin-wall strong support structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084348A (en) * | 2021-03-03 | 2021-07-09 | 华南理工大学 | Welding method for secondary degassing and sealing of ultrathin soaking plate |
| CN114918540A (en) * | 2022-06-29 | 2022-08-19 | 德艾柯工程技术(江苏)有限公司 | Multi-axis linkage three-dimensional surface laser welding machine |
-
2020
- 2020-03-21 CN CN202020364726.4U patent/CN212239613U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113084348A (en) * | 2021-03-03 | 2021-07-09 | 华南理工大学 | Welding method for secondary degassing and sealing of ultrathin soaking plate |
| CN113084348B (en) * | 2021-03-03 | 2024-05-07 | 华南理工大学 | Welding method for secondary degassing sealing of ultrathin vapor chamber |
| CN114918540A (en) * | 2022-06-29 | 2022-08-19 | 德艾柯工程技术(江苏)有限公司 | Multi-axis linkage three-dimensional surface laser welding machine |
| CN114918540B (en) * | 2022-06-29 | 2024-03-01 | 德艾柯工程技术(江苏)有限公司 | Multi-axis linkage three-dimensional surface laser welding machine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220328 Address after: 325006 Chengxin Road, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: Wenzhou Lanjing Photoelectric Technology Co.,Ltd. Address before: 325035 Wenzhou City National University Science Park incubator, No. 38 Dongfang South Road, Ouhai Economic Development Zone, Wenzhou, Zhejiang Patentee before: WENZHOU VOCATIONAL & TECHNICAL College |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |