CN104801904A - Numerically-controlled welding system for scalloped segment longitudinal seams at store-vessel bottom - Google Patents
Numerically-controlled welding system for scalloped segment longitudinal seams at store-vessel bottom Download PDFInfo
- Publication number
- CN104801904A CN104801904A CN201510195805.0A CN201510195805A CN104801904A CN 104801904 A CN104801904 A CN 104801904A CN 201510195805 A CN201510195805 A CN 201510195805A CN 104801904 A CN104801904 A CN 104801904A
- Authority
- CN
- China
- Prior art keywords
- welding
- melon lobe
- store
- vessel bottom
- positioner
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
-
- 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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- 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
-
- 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
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
- Packaging Frangible Articles (AREA)
Abstract
The invention relates to a numerically-controlled welding system for scalloped segment longitudinal seams at a store-vessel bottom. The numerically-controlled welding system comprises a headstock and tailstock position-changing machine, a scalloped segment assembly tooling and a welding operator, wherein the scalloped segment assembly tooling is mounted on the headstock and tailstock position-changing machine; switch of eight longitudinal seams of work pieces is realized through the rotation of the headstock and tailstock position-changing machine; a welding gun is mounted on the welding operator; each point of each normal of the full length of each longitudinal seam is enabled to be kept vertical by the lifting and telescoping of a beam of the welding operator as well as by the turning of the headstock and tailstock position-changing machine, so that the automatic numerically-controlled welding is realized; a gasbag fingertip mechanism is adopted by the numerically-controlled welding system to compress the work pieces; the compressing force can be adjusted; each fingertip can be adaptive to the appearances of the work pieces; the compression belongs to the flexible compression, so that the work pieces can be compressed without damage to the surfaces of the work pieces; a longitudinal pneumatic pulling belt is added on each of the eight scalloped segments, so that the deformation and dislocation of the work pieces can be effectively prevented; the numerically-controlled automatic welding is adopted, so that the thermal input in the welding process keeps consistent, the welding deformation is reduced, the labor intensity of the workers is greatly reduced, the production efficiency is improved, and the welding quality is ensured.
Description
Technical field
The invention belongs to metal automatic welding and connect field, be specifically related to a kind of longitudinal seam automatic welding welding system that can be used for store-vessel bottom, be i.e. store-vessel bottom melon lobe longitudinal joint numerical control welding system.
Background technology
Tank is large component important in carrier rocket rocket body structure, is the difficult point during tank is produced and emphasis at the bottom of the spheroid case at tank two ends.Be made up of annulus, fork ring and top cover at the bottom of spheroid case, annulus is formed by the welding of eight melon lobes, forms 8 longitudinal seams, is that during tank is produced, weld seam is out of shape at most maximum workpiece.
Melon lobe is large thin-wall element, and profile is spheroid, and welding edge region is all curved surface, and actual requirement longitudinal seam welding limit must be reliable fixing, and accurately align, can not occur the bad phenomenon such as misalignment, in welding process, workpiece can not move.This just requires that welding thrust is reliable, does not weigh workpiece wounded again.
At present, the simple frock of the many employings of melon lobe clamping compresses by manpower adjustment, and labour intensity is large, inefficiency, causes clamping difficulty and wastes time and energy.Adopt human weld, thermal weld stress is uneven, and it is little and uneven to add clamping force, and workpiece often occurs the changing of the relative positions and metaboly because of welding stress, and welding quality is difficult to control.
Summary of the invention
For above-mentioned Problems existing, the invention provides a kind of store-vessel bottom melon lobe longitudinal joint numerical control welding system, can realize melon lobe clamping simple to operate, compressing parts is firm, and longitudinal seam welding realizes automation.
For solving the problems of the technologies described above, the object of the invention is to be achieved through the following technical solutions:
Store-vessel bottom melon lobe longitudinal joint numerical control welding system, described store-vessel bottom melon lobe longitudinal joint numerical control welding system comprises the large major part of seat positioner, the assembly tooling of melon lobe and manipulator three end to end;
The assembly tooling of described melon lobe is arranged on end to end on seat positioner, utilizes seat positioner end to end to rotate to realize 8 longitudinal joints to switch;
The beam-end of described manipulator is provided with welding gun, utilizes the lifting of manipulator crossbeam and stretches, and the upset of cooperating head tailstock positioner can ensure that longitudinal joint total length is often put normal and kept vertical, realizes automatic numerical control welding.
The floral disc of the described positioner of seat end to end can rotate continuously, also can forward the assembly tooling of melon lobe to welding position and automatically stop; The upset of the described positioner of seat end to end adopts driven by servomotor, and transmission system, with the gap function that disappears, ensures transmission stability.The described positioner of seat end to end drives melon lobe assembly tooling variable speed continuous overturning in welding process.
The assembly tooling of described melon lobe, using ellipsoid mould tire as the installation matrix of workpiece, is processed with 8 grooves, in order to erecting and welding backing along ellipsoid mould tire even circumferential; Paw and 16 cover lower pressing claws on 16 covers are furnished with, in order to compress the edge up and down of melon lobe along 8 grooves respectively in the top and the bottom of ellipsoid mould tire; Between upper paw and lower pressing claw, be furnished with 8 pneumatic drawstrings along 8 grooves, melon lobe be pressed on ellipsoid mould tire, prevent longitudinal seam welding process from causing workpiece warpage.Described pneumatic drawstring is flexible structure, and inner side is air bag, and outside is stainless steel band; During use, upper lower draw-bar is hung on the hanging groove of mould tire, melon lobe tightly can be pressed on mould tire after inflation.Ellipsoid mould tire is provided with guiding mechanism, convenient adjustment melon lobe height.Air bag finger tip hold-down mechanism is realized swinging opening and closing by hydraulic-driven, it is equipped with two air bag hold down gags; Closing up air bag finger tip hold-down mechanism after installing store-vessel bottom melon lobe, hanging over being positioned at end hook look on the hangers of ellipsoid mould tire, then give air bag finger tip hold-down mechanism inflation just can by melon lobe welding edge tightly compacting on ellipsoid mould tire.
Described manipulator beam lifting and flexible adopt driven by servomotor, is controlled by digital control system, overturns coordination with seat positioner end to end.
Described pneumatic drawstring is arranged in the middle part of each melon lobe, is longitudinal pneumatic drawstring.
Beneficial effect of the present invention is: the present invention adopts air bag finger tip mechanism workpiece pressing, and thrust size is adjustable, and each finger tip can self adaptation workpiece configurations, belongs to Compliant pressure, and guarantee can workpiece pressing, again not disfiguring workpiece surface.8 melon lobes respectively increase a pneumatic drawstring of longitudinal direction, can effectively prevent workpiece deformation and dislocation.Employing numerically controlled automatic welds, and achieves the input of welding process heat consistent, reduces welding deformation and greatly reduce labor strength simultaneously, improve production efficiency, ensure that welding quality.
Accompanying drawing explanation
Fig. 1 is circular ring work piece structural representation;
Fig. 2 is melon lobe assembly tooling schematic diagram;
Fig. 3 is air bag finger tip hold-down mechanism shaft side figure;
Fig. 4 is the pneumatic pulling belt structure figure of melon lobe;
Fig. 5 is melon lobe longitudinal joint numerical control welding system schematic diagram.
Wherein, 1-air bag finger tip hold-down mechanism; 2-hangers; The upper paw of 3-; 4-ellipsoid mould tire; 5-lower pressing claw; 6-guiding mechanism; The pneumatic drawstring of 7-; 61-is seat positioner end to end; The assembly tooling of 62-melon lobe; 63-manipulator.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail: the present embodiment is implemented under premised on technical solution of the present invention, gives detailed embodiment, but protection scope of the present invention is not limited to following embodiment.
As one embodiment of the present invention, as shown in Figures 2 to 5, store-vessel bottom melon lobe longitudinal joint numerical control welding system, comprises the large major part of seat positioner 61, melon lobe assembly tooling 62 and manipulator 63 3 end to end.
As shown in Figure 2, described melon lobe assembly tooling 62 is arranged on end to end on seat positioner 61, utilizes seat positioner 61 end to end to rotate to realize 8 longitudinal joints to switch;
The floral disc of the described positioner of seat end to end 61 can rotate continuously, also can forward melon lobe assembly tooling 62 to welding position and automatically stop; The upset of the described positioner of seat end to end 61 adopts driven by servomotor, and transmission system is with the gap function that disappears; The upset of the described positioner of seat end to end 61 drives melon lobe assembly tooling 62 variable speed continuous overturning in welding process.
Described melon lobe assembly tooling 62, using ellipsoid mould tire 4 as the installation matrix of workpiece, is processed with 8 grooves, in order to erecting and welding backing along ellipsoid mould tire 4 even circumferential; Be furnished with paw 3 and 16 on 16 covers along 8 grooves respectively in the top and the bottom of ellipsoid mould tire 4 and overlap lower pressing claw 5, in order to compress the edge up and down of melon lobe; Between upper paw 3 and lower pressing claw 5, be furnished with 8 pneumatic drawstrings 7 along 8 grooves, melon lobe be pressed on ellipsoid mould tire 4; Described pneumatic drawstring 7 is flexible structure, and inner side is air bag, and outside is stainless steel band; Ellipsoid mould tire 4 is provided with guiding mechanism 6; Air bag finger tip hold-down mechanism 1 is realized swinging opening and closing by hydraulic-driven, it is equipped with two air bag hold down gags; Closing up air bag finger tip hold-down mechanism 1 after installing store-vessel bottom melon lobe, hanging over being positioned at end hook look on the hangers 2 of ellipsoid mould tire 4, then give air bag finger tip hold-down mechanism 1 inflation just can by melon lobe welding edge tightly compacting on ellipsoid mould tire 4.
The beam-end of described manipulator 63 is provided with welding gun, utilizes the lifting of manipulator 63 crossbeam and stretches, and the upset of cooperating head tailstock positioner 61 can ensure that longitudinal joint total length is often put normal and kept vertical, realizes automatic numerical control welding.
Described manipulator 63 beam lifting and flexible adopt driven by servomotor, is controlled by digital control system, overturns coordination with seat positioner 61 end to end.
Described pneumatic drawstring 7 is arranged in the middle part of each melon lobe, is longitudinal pneumatic drawstring.
The above; be only the present invention's preferably detailed description of the invention; these detailed description of the invention are all based on the different implementations under general idea of the present invention; and protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (5)
1. store-vessel bottom melon lobe longitudinal joint numerical control welding system, is characterized in that: described store-vessel bottom melon lobe longitudinal joint numerical control welding system comprises seat positioner (61), melon lobe assembly tooling (62) and the large major part of manipulator (63) three end to end;
Described melon lobe assembly tooling (62) is arranged on end to end on seat positioner (61), utilizes seat positioner (61) end to end to rotate to realize 8 longitudinal joints to switch;
The beam-end of described manipulator (63) is provided with welding gun, utilize the lifting of manipulator (63) crossbeam and stretch, the upset of cooperating head tailstock positioner (61) can ensure that longitudinal joint total length is often put normal and kept vertical, realizes automatic numerical control welding.
2. store-vessel bottom melon lobe longitudinal joint numerical control welding system according to claim 1, is characterized in that:
The floral disc of the described positioner of seat end to end (61) can rotate continuously, also can forward melon lobe assembly tooling (62) to welding position and automatically stop; The upset of the described positioner of seat end to end (61) adopts driven by servomotor, and transmission system is with the gap function that disappears; The described positioner of seat end to end (61) drives melon lobe assembly tooling (62) variable speed continuous overturning in welding process.
3. store-vessel bottom melon lobe longitudinal joint numerical control welding system according to claim 1, is characterized in that:
Described melon lobe assembly tooling (62), using ellipsoid mould tire (4) as the installation matrix of workpiece, is processed with 8 grooves, in order to erecting and welding backing along ellipsoid mould tire (4) even circumferential; Be furnished with 16 along 8 grooves respectively in the top and the bottom of ellipsoid mould tire (4) and put paw (3) and 16 covers lower pressing claw (5), in order to compress the edge up and down of melon lobe; Between upper paw (3) and lower pressing claw (5), be furnished with 8 pneumatic drawstrings (7) along 8 grooves, melon lobe be pressed on ellipsoid mould tire (4); Described pneumatic drawstring (7) is flexible structure, and inner side is air bag, and outside is stainless steel band; Ellipsoid mould tire (4) is provided with guiding mechanism (6); Air bag finger tip hold-down mechanism (1) is realized swinging opening and closing by hydraulic-driven, it is equipped with two air bag hold down gags; Air bag finger tip hold-down mechanism (1) is closed up after installing store-vessel bottom melon lobe, end hook look will be positioned at hang on the hangers (2) of ellipsoid mould tire (4), then give air bag finger tip hold-down mechanism (1) inflation just can by melon lobe welding edge tightly compacting on ellipsoid mould tire (4).
4. store-vessel bottom melon lobe longitudinal joint numerical control welding system according to claim 1, is characterized in that:
Described manipulator (63) beam lifting and flexible adopt driven by servomotor, is controlled by digital control system, overturns coordination with seat positioner (61) end to end.
5. store-vessel bottom melon lobe longitudinal joint numerical control welding system according to claim 1, is characterized in that:
Described pneumatic drawstring (7) is arranged in the middle part of each melon lobe, is longitudinal pneumatic drawstring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195805.0A CN104801904B (en) | 2015-04-24 | 2015-04-24 | Store-vessel bottom melon lobe longitudinal joint numerical control welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510195805.0A CN104801904B (en) | 2015-04-24 | 2015-04-24 | Store-vessel bottom melon lobe longitudinal joint numerical control welding system |
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| Publication Number | Publication Date |
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| CN104801904A true CN104801904A (en) | 2015-07-29 |
| CN104801904B CN104801904B (en) | 2016-08-17 |
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| CN201510195805.0A Active CN104801904B (en) | 2015-04-24 | 2015-04-24 | Store-vessel bottom melon lobe longitudinal joint numerical control welding system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352982A (en) * | 2015-11-23 | 2016-02-24 | 上海航天精密机械研究所 | Rocket storage tank bottom welded seam X-ray digital imaging detection system and detection method |
| CN107020473A (en) * | 2016-01-29 | 2017-08-08 | 南京科技职业学院 | A kind of group of melon flap-type end socket is to instrument |
| CN107350614A (en) * | 2017-08-11 | 2017-11-17 | 江门市江海区中盈汇五金制品有限公司 | Arrange welder in a kind of fan housing side Wang Hu sides |
| CN108480730A (en) * | 2018-05-30 | 2018-09-04 | 中南大学 | The milling clamping tooling of large complicated carved component |
| CN108907524A (en) * | 2018-07-31 | 2018-11-30 | 中南大学 | Large complicated curvature Member Welding clamps loading force accurate measurement method |
| CN109175619A (en) * | 2018-09-01 | 2019-01-11 | 哈尔滨工程大学 | A kind of ship bulb welding mechanism |
| CN111390375A (en) * | 2020-04-14 | 2020-07-10 | 首都航天机械有限公司 | Automatic clamping and feeding device of large-scale melon petal wallboard robot |
| CN111496299A (en) * | 2020-03-30 | 2020-08-07 | 嘉思特华剑医疗器材(天津)有限公司 | Processing method of porous layer of trabecular bone cup |
| CN113182748A (en) * | 2021-04-02 | 2021-07-30 | 北京卫星制造厂有限公司 | Spherical shell structure welding supporting tool and welding method for synchronous assembly fractal tailor-welding |
| CN113866189A (en) * | 2021-08-24 | 2021-12-31 | 上海航天精密机械研究所 | Ray digital imaging detection device based on multi-manipulator cooperation and detection method thereof |
| CN114952258A (en) * | 2022-07-01 | 2022-08-30 | 南京宝色股份公司 | High-precision hemispherical melon petal assembling equipment and method |
| CN117464281A (en) * | 2023-11-29 | 2024-01-30 | 山东中泰工程机械有限公司 | Double-station steel template assembly welding platform and welding method |
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| CN203726060U (en) * | 2014-03-03 | 2014-07-23 | 首都航天机械公司 | Compressing device for tank bottom scalloped segment parts |
| CN204686315U (en) * | 2015-04-24 | 2015-10-07 | 艾美特焊接自动化技术(北京)有限公司 | Store-vessel bottom melon lobe longitudinal joint numerical control welder |
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| FR2456588A1 (en) * | 1979-05-18 | 1980-12-12 | Creusot Loire | Automatic welding plant for large curved workpieces or domes - can be tilted under automatic welding burner provided with horizontal and vertical motions |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352982A (en) * | 2015-11-23 | 2016-02-24 | 上海航天精密机械研究所 | Rocket storage tank bottom welded seam X-ray digital imaging detection system and detection method |
| CN107020473A (en) * | 2016-01-29 | 2017-08-08 | 南京科技职业学院 | A kind of group of melon flap-type end socket is to instrument |
| CN107350614A (en) * | 2017-08-11 | 2017-11-17 | 江门市江海区中盈汇五金制品有限公司 | Arrange welder in a kind of fan housing side Wang Hu sides |
| CN108480730A (en) * | 2018-05-30 | 2018-09-04 | 中南大学 | The milling clamping tooling of large complicated carved component |
| CN108907524A (en) * | 2018-07-31 | 2018-11-30 | 中南大学 | Large complicated curvature Member Welding clamps loading force accurate measurement method |
| CN108907524B (en) * | 2018-07-31 | 2020-07-31 | 中南大学 | Method for accurately measuring welding clamping loading force of large-scale complex curvature component |
| CN109175619A (en) * | 2018-09-01 | 2019-01-11 | 哈尔滨工程大学 | A kind of ship bulb welding mechanism |
| CN111496299A (en) * | 2020-03-30 | 2020-08-07 | 嘉思特华剑医疗器材(天津)有限公司 | Processing method of porous layer of trabecular bone cup |
| CN111390375A (en) * | 2020-04-14 | 2020-07-10 | 首都航天机械有限公司 | Automatic clamping and feeding device of large-scale melon petal wallboard robot |
| CN113182748A (en) * | 2021-04-02 | 2021-07-30 | 北京卫星制造厂有限公司 | Spherical shell structure welding supporting tool and welding method for synchronous assembly fractal tailor-welding |
| CN113182748B (en) * | 2021-04-02 | 2023-02-28 | 北京卫星制造厂有限公司 | Spherical shell structure welding supporting tool and welding method for synchronous assembly fractal tailor-welding |
| CN113866189A (en) * | 2021-08-24 | 2021-12-31 | 上海航天精密机械研究所 | Ray digital imaging detection device based on multi-manipulator cooperation and detection method thereof |
| CN114952258A (en) * | 2022-07-01 | 2022-08-30 | 南京宝色股份公司 | High-precision hemispherical melon petal assembling equipment and method |
| CN117464281A (en) * | 2023-11-29 | 2024-01-30 | 山东中泰工程机械有限公司 | Double-station steel template assembly welding platform and welding method |
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Denomination of invention: Numerical control welding system for longitudinal seam of melon flap at tank bottom Effective date of registration: 20210414 Granted publication date: 20160817 Pledgee: Bank of Communications Ltd. Beijing branch Pledgor: AMET WELDING AUTOMATION TECHNOLOGY (BEIJING) Co.,Ltd. Registration number: Y2021990000329 |
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Date of cancellation: 20230221 Granted publication date: 20160817 Pledgee: Bank of Communications Ltd. Beijing branch Pledgor: AMET WELDING AUTOMATION TECHNOLOGY (BEIJING) Co.,Ltd. Registration number: Y2021990000329 |
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