CN204686315U - Store-vessel bottom melon lobe longitudinal joint numerical control welder - Google Patents

Store-vessel bottom melon lobe longitudinal joint numerical control welder Download PDF

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Publication number
CN204686315U
CN204686315U CN201520250720.3U CN201520250720U CN204686315U CN 204686315 U CN204686315 U CN 204686315U CN 201520250720 U CN201520250720 U CN 201520250720U CN 204686315 U CN204686315 U CN 204686315U
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China
Prior art keywords
melon lobe
welding
positioner
numerical control
vessel
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CN201520250720.3U
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Chinese (zh)
Inventor
李建营
王博
王安泽
王贵超
罗金辉
王旭光
王新
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AMET Welding Automation Technology (Beijing) Co Ltd
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AMET Welding Automation Technology (Beijing) Co Ltd
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Abstract

The utility model relates to store-vessel bottom melon lobe longitudinal joint numerical control welder, comprises seat positioner, the assembly tooling of melon lobe and manipulator three parts end to end; The assembly tooling of melon lobe is arranged on end to end on seat positioner, utilizes seat positioner end to end to rotate to realize workpiece 8 longitudinal joints to switch; Manipulator is provided with welding gun, utilizes manipulator beam lifting and stretches, and the upset of cooperating head tailstock positioner ensures that longitudinal joint total length is often put normal and kept vertical, realizes automatic numerical control welding.The utility model 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.

Description

Store-vessel bottom melon lobe longitudinal joint numerical control welder
Technical field
The utility model belongs to metal automatic welding and connects field, is specifically related to a kind of longitudinal seam automatic welding connection device that can be used for store-vessel bottom, i.e. store-vessel bottom melon lobe longitudinal joint numerical control welder.
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.
Utility model content
For above-mentioned Problems existing, the utility model provides a kind of store-vessel bottom melon lobe longitudinal joint numerical control welder, can realize melon lobe clamping simple to operate, and compressing parts is firm, and longitudinal seam welding realizes automation.
For solving the problems of the technologies described above, the purpose of this utility model is achieved through the following technical solutions:
Store-vessel bottom melon lobe longitudinal joint numerical control welder, described store-vessel bottom melon lobe longitudinal joint numerical control welder 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.
The beneficial effects of the utility model are: the utility model 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 welder 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 utility model is described in further detail: the present embodiment is implemented under premised on technical solutions of the utility model, gives detailed embodiment, but protection domain of the present utility model is not limited to following embodiment.
As a kind of embodiment of the present utility model, as shown in Figures 2 to 5, store-vessel bottom melon lobe longitudinal joint numerical control welder, 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 utility model preferably detailed description of the invention; these detailed description of the invention are all based on the different implementations under the utility model general idea; and protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.

Claims (5)

1. store-vessel bottom melon lobe longitudinal joint numerical control welder, is characterized in that: described store-vessel bottom melon lobe longitudinal joint numerical control welder 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 welder 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 welder 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 welder 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 welder according to claim 3, is characterized in that:
Described pneumatic drawstring (7) is arranged in the middle part of each melon lobe, is longitudinal pneumatic drawstring.
CN201520250720.3U 2015-04-24 2015-04-24 Store-vessel bottom melon lobe longitudinal joint numerical control welder Active CN204686315U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520250720.3U CN204686315U (en) 2015-04-24 2015-04-24 Store-vessel bottom melon lobe longitudinal joint numerical control welder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520250720.3U CN204686315U (en) 2015-04-24 2015-04-24 Store-vessel bottom melon lobe longitudinal joint numerical control welder

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Publication Number Publication Date
CN204686315U true CN204686315U (en) 2015-10-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104801904A (en) * 2015-04-24 2015-07-29 艾美特焊接自动化技术(北京)有限公司 Numerically-controlled welding system for scalloped segment longitudinal seams at store-vessel bottom
CN108838508A (en) * 2018-06-29 2018-11-20 首都航天机械公司 A kind of major diameter carrier rocket bottom annulus longitudinal joint friction stir weld device and method
CN109175850A (en) * 2018-09-19 2019-01-11 荆门宏图特种飞行器制造有限公司 Welding tooling and welding method
CN110340597A (en) * 2019-06-27 2019-10-18 西安建筑科技大学 A kind of inflatable rectangular beam splicing mould and technique

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104801904A (en) * 2015-04-24 2015-07-29 艾美特焊接自动化技术(北京)有限公司 Numerically-controlled welding system for scalloped segment longitudinal seams at store-vessel bottom
CN104801904B (en) * 2015-04-24 2016-08-17 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 welding system
CN108838508A (en) * 2018-06-29 2018-11-20 首都航天机械公司 A kind of major diameter carrier rocket bottom annulus longitudinal joint friction stir weld device and method
CN109175850A (en) * 2018-09-19 2019-01-11 荆门宏图特种飞行器制造有限公司 Welding tooling and welding method
CN110340597A (en) * 2019-06-27 2019-10-18 西安建筑科技大学 A kind of inflatable rectangular beam splicing mould and technique

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