CN107877068A - A kind of device and application method for reducing large thin-wall part welding deformation - Google Patents
A kind of device and application method for reducing large thin-wall part welding deformation Download PDFInfo
- Publication number
- CN107877068A CN107877068A CN201711247652.5A CN201711247652A CN107877068A CN 107877068 A CN107877068 A CN 107877068A CN 201711247652 A CN201711247652 A CN 201711247652A CN 107877068 A CN107877068 A CN 107877068A
- Authority
- CN
- China
- Prior art keywords
- voussoir
- thin
- expansion block
- frock matrix
- wall part
- Prior art date
- 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
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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
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
A kind of device and application method for reducing large thin-wall part welding deformation, belongs to large thin-wall part welding technology field.The device for reducing large thin-wall part welding deformation includes frock matrix, fixed sliding support mechanism, voussoir hold-down mechanism and Nei Zhang mechanisms；Frock matrix is provided with workpiece positioning spigot, and fixed sliding support mechanism includes bearing and sliding block, and the bottom of bearing is fixedly mounted on frock matrix, and sliding block is wedge shape, and sliding block is fixed on the side of bearing；Voussoir hold-down mechanism includes voussoir, bolt, spring and swivel nut, bolt is connected through a screw thread through voussoir with swivel nut, and frock matrix is provided with through hole, and swivel nut is fixedly mounted in through hole, the inclined-plane of voussoir is in contact with the inclined-plane of sliding block, and part of the bolt between voussoir and swivel nut is cased with spring；Nei Zhang mechanisms include expansion block and pilot pin, are provided with least one long slot bore in expansion block, pilot pin is connected through a screw thread through long slot bore with frock matrix, and expansion block is in contact with voussoir.
Description
Technical field
It is more particularly to a kind of to reduce the welding change of large thin-wall part the present invention relates to large thin-wall part welding technology field
The device and application method of shape.
Background technology
At present because the wall thickness of large-scale casing is smaller, when support plate is welded in the square groove of casing, easily occur thin
Wall casing welding contraction distortion and weld seam can not align the phenomenon aligned, and the deformation of Thin-Wall Outer Casing is often beyond technological requirement
Effective deformation scope, cause poor welding quality, welding efficiency low and the problem of solder yield is relatively low.
The content of the invention
In order to solve the problems, such as that prior art is present, the invention provides a kind of reduction large thin-wall part welding deformation
Device, the device for reducing large thin-wall part welding deformation include frock matrix, fixed sliding support mechanism, voussoir and compressed
Mechanism and Nei Zhang mechanisms；
Frock matrix is provided with workpiece positioning spigot, and fixed sliding support mechanism includes bearing and sliding block, the bottom of bearing
It is fixedly mounted on frock matrix, sliding block is wedge shape, and sliding block is fixed on the side of bearing；Voussoir hold-down mechanism includes voussoir, spiral shell
Bolt, spring and swivel nut, bolt are connected through a screw thread through voussoir with swivel nut, and frock matrix is provided with through hole, and swivel nut is fixedly mounted
In through hole, the inclined-plane of voussoir is in contact with the inclined-plane of the sliding block, and part of the bolt between voussoir and swivel nut is cased with bullet
Spring；Nei Zhang mechanisms include expansion block and pilot pin, and at least one long slot bore is provided with expansion block, and pilot pin passes through the long slot bore and the work
Dress matrix is connected through a screw thread, and expansion block is in contact with the voussoir.
The bearing is fixedly connected with frock matrix by screw and pin, pin and the bearing and the frock base
It is interference fit between body.
The surface that the expansion block is in contact with Thin-Wall Outer Casing is provided with cell body.
The application method of the device for reducing large thin-wall part welding deformation, methods described include：
Step 1, the frock matrix fixed, slide the expansion block, the pilot pin is located at the long slot bore away from institute
State one end of bearing；
Step 2, by Thin-Wall Outer Casing be arranged on the frock matrix on, the workpiece positioning spigot enters to the Thin-Wall Outer Casing
Row positioning；
Step 3, the bolt is turned, bolt moves downward along the through hole, drives the voussoir slide downward, voussoir
The expansion block is compressed, moves direction of the expansion block along the long slot bore to the Thin-Wall Outer Casing, until the expansion block swelling institute
State the inner profile of Thin-Wall Outer Casing.
The device of reduction large thin-wall part welding deformation in the present invention is determined Thin-Wall Outer Casing by frock matrix
Position, Nei Zhang mechanisms are promoted by voussoir hold-down mechanism, Shi Neizhang mechanisms position the both sides of the square groove of Thin-Wall Outer Casing with type, to thin
The inner profile of wall casing carries out swelling, ensures after welding between Thin-Wall Outer Casing and support plate that weld seam efficiently aligns and aligns, reduces welding
Deformation, ensure welding quality, ensure the deformation of Thin-Wall Outer Casing in the range of technological requirement.
Brief description of the drawings
Fig. 1 is the section signal of the device swelling Thin-Wall Outer Casing of reduction large thin-wall part welding deformation provided by the invention
Figure；
Fig. 2 is the top view of the device of reduction large thin-wall part welding deformation provided by the invention；
Fig. 3 is the Nei Zhang mechanisms swelling Thin-Wall Outer Casing of the device of reduction large thin-wall part welding deformation provided by the invention
Side view.
Wherein,
1 frock matrix, 11 workpiece positioning spigots, 12 through holes；
2 fix sliding support mechanism, 21 bearings, 22 sliding blocks, 23 screws, 24 pins；
3 voussoir hold-down mechanisms, 31 voussoirs, 32 bolts, 33 springs, 34 swivel nuts；
4 Nei Zhang mechanisms, 41 expansion blocks, 42 pilot pins, 43 long slot bores, 44 cell bodies；
5 Thin-Wall Outer Casings, 51 square grooves.
Embodiment
During in order to solve to weld support plate present in prior art, easily there is asking for Thin-Wall Outer Casing welding contraction distortion
Topic, as shown in Figure 1 to Figure 3, the invention provides a kind of device for reducing large thin-wall part welding deformation, the reduction are large-scale thin
The device of wall part welding deformation includes frock matrix 1, fixed sliding support mechanism 2, voussoir hold-down mechanism 3 and Nei Zhang mechanisms 4；
Frock matrix 1 is provided with workpiece positioning spigot 11, and fixed sliding support mechanism 2 includes bearing 21 and sliding block 22, propped up
The bottom of seat 21 is fixedly mounted on frock matrix 1, and specifically, bearing 21 is solid by screw 23 and pin 24 with frock matrix 1
Fixed connection, it is interference fit between pin 24 and bearing 21 and frock matrix 1, sliding block 22 is wedge shape, and sliding block 22 is fixed on
The side of bearing 21, specifically, sliding block 22 can be fixed on the side of bearing 21 by screw 23 and pin 24；Voussoir compacting machine
Structure 3 includes voussoir 31, bolt 32, spring 33 and swivel nut 34, and bolt 32 is connected through a screw thread through voussoir 31 with swivel nut 34, frock
Matrix 1 is provided with through hole 12, and swivel nut 34 is fixedly mounted in through hole 12, and the inclined-plane of voussoir 31 is in contact with the inclined-plane of sliding block 22,
Part of the bolt 32 between voussoir 31 and swivel nut 34 is cased with spring 33；Nei Zhang mechanisms 4 include expansion block 41 and pilot pin 42, expansion block
At least one long slot bore 43 is provided with 41, pilot pin 42 is connected through a screw thread through long slot bore 43 with frock matrix 1, expansion block 41 and wedge
Block 31 is in contact, wherein, two long slot bores 43 are provided with the expansion block 41 in the present embodiment, one is both passed through in each long slot bore 43
Individual pilot pin 42.
In the present invention, the shape on surface of the expansion block 41 away from voussoir 31 is identical with the shape of the inner profile of casing 5, if
The inner profile of casing 5 is shaped as circular cone sector, then the shape on surface of the expansion block 41 away from voussoir 31 is the shape in swelling face
Also it is fan-shaped for circular cone；In the present invention, one cell body 44 can also be set on the surface that expansion block 41 is in contact with Thin-Wall Outer Casing 5,
The cell body 44 is located at the centre position on the surface that expansion block 41 is in contact with Thin-Wall Outer Casing 5, when support plate is welded on into Thin-Wall Outer Casing 5
When in square groove 51, the cell body 44 of expansion block 41 and the face of square groove 51 of Thin-Wall Outer Casing 5, so that expansion block 41 while swelling side
The both sides of shape groove 51, preferably ensure swelling effect.
The application method of the device of reduction large thin-wall part welding deformation in the present invention includes：
Step 1, frock matrix 1 fixed, slide expansion block 41, pilot pin 42 is located at one of long slot bore 43 away from bearing 21
End, i.e., retract expansion block 41；
Step 2, by Thin-Wall Outer Casing 5 be arranged on frock matrix 1 on, workpiece positioning spigot 11 positions to Thin-Wall Outer Casing 5；
Specifically, can be along the multiple dresses for reducing large thin-wall part welding deformation of the circumference in Thin-Wall Outer Casing 5
Put, therefore, when welding multiple support plates at the same time, it is possible to achieve the swelling to the inner profile of whole Thin-Wall Outer Casing 5；
Step 3, bolt 32 being turned, bolt 32 moves downward along through hole 12, while with the slide downward of dynamic voussoir 31, voussoir
31 can compress sliding block 22 when moving downward, but because the position of sliding block 22 is fixed, therefore voussoir 31 can radially compress expansion block 41, make
Direction of the expansion block 41 along long slot bore 43 to Thin-Wall Outer Casing 5 is moved, until the inner profile of the swelling Thin-Wall Outer Casing 5 of expansion block 41；
If being provided with cell body 44 in expansion block 41, swelling while square shaped 51 left and right sides of groove can be realized, ensure that
The uniformity of swelling size, after having welded support plate, bolt 32 can be turned round about, then slide expansion block 41, make pilot pin 42
Positioned at the one end of long slot bore 43 away from bearing 21, Thin-Wall Outer Casing 5 is unloaded.
The device of reduction large thin-wall part welding deformation in the present invention is carried out by frock matrix 1 to Thin-Wall Outer Casing 5
Positioning, Nei Zhang mechanisms 4 are promoted by voussoir hold-down mechanism 3, Shi Neizhang mechanisms 4 position the square groove 51 of Thin-Wall Outer Casing 5 with type
Both sides, swelling is carried out to the inner profile of Thin-Wall Outer Casing 5, ensure after welding that Thin-Wall Outer Casing 5 and weld seam between support plate efficiently align pair
Just, welding deformation is reduced, ensures welding quality, ensures the deformation of Thin-Wall Outer Casing 5 in the range of technological requirement.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (4)
- A kind of 1. device for reducing large thin-wall part welding deformation, it is characterised in that the reduction large thin-wall part welding The device of deformation includes frock matrix, fixed sliding support mechanism, voussoir hold-down mechanism and Nei Zhang mechanisms；Frock matrix is provided with workpiece positioning spigot, and fixed sliding support mechanism includes bearing and sliding block, and the bottom of bearing is fixed On frock matrix, sliding block is wedge shape, and sliding block is fixed on the side of bearing；Voussoir hold-down mechanism includes voussoir, bolt, bullet Spring and swivel nut, bolt are connected through a screw thread through voussoir with swivel nut, and frock matrix is provided with through hole, and swivel nut is fixedly mounted on through hole Interior, the inclined-plane of voussoir is in contact with the inclined-plane of the sliding block, and part of the bolt between voussoir and swivel nut is cased with spring；It is interior swollen Mechanism includes expansion block and pilot pin, and at least one long slot bore is provided with expansion block, and pilot pin passes through the long slot bore and the frock matrix It is connected through a screw thread, expansion block is in contact with the voussoir.
- 2. it is according to claim 1 reduce large thin-wall part welding deformation device, it is characterised in that the bearing with Frock matrix is fixedly connected by screw with pin, is that interference is matched somebody with somebody between pin and the bearing and the frock matrix Close.
- 3. it is according to claim 1 reduce large thin-wall part welding deformation device, it is characterised in that the expansion block with The surface that Thin-Wall Outer Casing is in contact is provided with cell body.
- 4. the application method of the device of the reduction large thin-wall part welding deformation described in claim 1, it is characterised in that described Method includes：Step 1, the frock matrix fixed, slide the expansion block, the pilot pin is located at the long slot bore away from the branch One end of seat；Step 2, by Thin-Wall Outer Casing be arranged on the frock matrix on, the workpiece positioning spigot is determined the Thin-Wall Outer Casing Position；Step 3, the bolt is turned, bolt moves downward along the through hole, drives the voussoir slide downward, and voussoir compresses The expansion block, move direction of the expansion block along the long slot bore to the Thin-Wall Outer Casing, until thin described in the expansion block swelling The inner profile of wall casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711247652.5A CN107877068B (en) | 2017-12-01 | 2017-12-01 | A kind of device and application method reducing large thin-wall part welding deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711247652.5A CN107877068B (en) | 2017-12-01 | 2017-12-01 | A kind of device and application method reducing large thin-wall part welding deformation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107877068A true CN107877068A (en) | 2018-04-06 |
| CN107877068B CN107877068B (en) | 2019-10-01 |
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| CN201711247652.5A Active CN107877068B (en) | 2017-12-01 | 2017-12-01 | A kind of device and application method reducing large thin-wall part welding deformation |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817821A (en) * | 2018-09-12 | 2018-11-16 | 上海电气核电设备有限公司 | A kind of anti-dropout voussoir support construction |
| CN109483285A (en) * | 2018-12-24 | 2019-03-19 | 四川明日宇航工业有限责任公司 | A kind of aircraft engine thin-walled parts forming frock |
| CN109794697A (en) * | 2019-03-15 | 2019-05-24 | 浙江亿田智能厨电股份有限公司 | Integrated internal cooker bladder laser automatic welding displacement tool fixture |
| CN110614415A (en) * | 2018-10-08 | 2019-12-27 | 上海航天精密机械研究所 | Automatic welding device for titanium alloy thin-wall spherical shell |
| CN110814551A (en) * | 2019-12-18 | 2020-02-21 | 江南工业集团有限公司 | Thin-wall shell multidirectional self-correcting laser welding auxiliary device and using method |
| CN111069805A (en) * | 2018-10-19 | 2020-04-28 | 中车唐山机车车辆有限公司 | Motor train unit chassis welding auxiliary tool |
| CN111889952A (en) * | 2020-07-30 | 2020-11-06 | 哈尔滨锅炉厂有限责任公司 | Thin wall barrel body branch pipe welding anti-deformation device |
| CN112475720A (en) * | 2020-11-16 | 2021-03-12 | 中国航发沈阳黎明航空发动机有限责任公司 | Positioning and compressing device for efficient micro-beam welding |
| CN112536525A (en) * | 2020-12-31 | 2021-03-23 | 芜湖舜富精密压铸科技有限公司 | Friction stir welding tool |
| CN113579438A (en) * | 2021-08-26 | 2021-11-02 | 中国航发沈阳黎明航空发动机有限责任公司 | Process device for automatically welding circular seam of cylindrical thin-wall casing and using method |
| CN114871676A (en) * | 2022-06-13 | 2022-08-09 | 中国航发常州兰翔机械有限责任公司 | Welding fixture for mounting seat on wall surface of combustion chamber casing and welding deformation control method |
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| US20140346792A1 (en) * | 2013-05-24 | 2014-11-27 | L'air Liquide, Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude | System for distributing the weight of a column section |
| CN105290632A (en) * | 2015-11-22 | 2016-02-03 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for repairing high-temperature alloy thin-walled cartridge receiver part through precision pulse welding |
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| CN102248269A (en) * | 2011-07-22 | 2011-11-23 | 成都发动机（集团）有限公司 | Welding fixture for thin-wall part |
| US20140346792A1 (en) * | 2013-05-24 | 2014-11-27 | L'air Liquide, Societe Anonyme Pour I'etude Et I'exploitation Des Procedes Georges Claude | System for distributing the weight of a column section |
| KR101466386B1 (en) * | 2013-08-27 | 2014-11-27 | (주) 유광 | Zig apparatus for fixing of Heat exchange panel for welding steel of High strength |
| CN103551753A (en) * | 2013-11-06 | 2014-02-05 | 中国南方航空工业(集团)有限公司 | Welding method for drum-shaped thin-wall part of aircraft engine and clamp used in welding method |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817821A (en) * | 2018-09-12 | 2018-11-16 | 上海电气核电设备有限公司 | A kind of anti-dropout voussoir support construction |
| CN110614415A (en) * | 2018-10-08 | 2019-12-27 | 上海航天精密机械研究所 | Automatic welding device for titanium alloy thin-wall spherical shell |
| CN111069805A (en) * | 2018-10-19 | 2020-04-28 | 中车唐山机车车辆有限公司 | Motor train unit chassis welding auxiliary tool |
| CN109483285A (en) * | 2018-12-24 | 2019-03-19 | 四川明日宇航工业有限责任公司 | A kind of aircraft engine thin-walled parts forming frock |
| CN109794697B (en) * | 2019-03-15 | 2023-09-29 | 浙江亿田智能厨电股份有限公司 | Automatic laser welding deflection fixture for inner container of integrated kitchen range |
| CN109794697A (en) * | 2019-03-15 | 2019-05-24 | 浙江亿田智能厨电股份有限公司 | Integrated internal cooker bladder laser automatic welding displacement tool fixture |
| CN110814551A (en) * | 2019-12-18 | 2020-02-21 | 江南工业集团有限公司 | Thin-wall shell multidirectional self-correcting laser welding auxiliary device and using method |
| CN110814551B (en) * | 2019-12-18 | 2024-04-16 | 江南工业集团有限公司 | Multidirectional self-correction laser welding auxiliary device for thin-wall shell and application method |
| CN111889952A (en) * | 2020-07-30 | 2020-11-06 | 哈尔滨锅炉厂有限责任公司 | Thin wall barrel body branch pipe welding anti-deformation device |
| CN112475720A (en) * | 2020-11-16 | 2021-03-12 | 中国航发沈阳黎明航空发动机有限责任公司 | Positioning and compressing device for efficient micro-beam welding |
| CN112536525B (en) * | 2020-12-31 | 2022-03-11 | 芜湖舜富精密压铸科技有限公司 | Friction stir welding tool |
| CN112536525A (en) * | 2020-12-31 | 2021-03-23 | 芜湖舜富精密压铸科技有限公司 | Friction stir welding tool |
| CN113579438A (en) * | 2021-08-26 | 2021-11-02 | 中国航发沈阳黎明航空发动机有限责任公司 | Process device for automatically welding circular seam of cylindrical thin-wall casing and using method |
| CN114871676A (en) * | 2022-06-13 | 2022-08-09 | 中国航发常州兰翔机械有限责任公司 | Welding fixture for mounting seat on wall surface of combustion chamber casing and welding deformation control method |
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|---|---|
| CN107877068B (en) | 2019-10-01 |
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