CN106312296B - The application method of underwater friction stitch welding drainage arrangement - Google Patents
The application method of underwater friction stitch welding drainage arrangement Download PDFInfo
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- CN106312296B CN106312296B CN201610918541.1A CN201610918541A CN106312296B CN 106312296 B CN106312296 B CN 106312296B CN 201610918541 A CN201610918541 A CN 201610918541A CN 106312296 B CN106312296 B CN 106312296B
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- welding
- flange
- soft shell
- drainage arrangement
- workpiece
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Arc Welding In General (AREA)
Abstract
The present invention discloses the application method of underwater friction stitch welding drainage arrangement, workpiece and stopper are installed first, then the soft shell of drainage arrangement using in clamp connection to main tapping, soft shell and flange pass through clamp connection, magnetic suction disc is fixed on flange, it is made to be close to the surface of workpiece.Magnetic suction disc switch is opened, and the suction of magnetic will be transmitted to flange by backing plate, compress sponge, so that itself and workpiece surface is in close contact, while start-up frequency, is drained before welding starts, so that horizontal plane is located under workpiece.Start friction stitch welding equipment, welding machine main shaft will move downward, and soft shell short transverse is shunk, and sample and the contact of base material workpiece, welding process start, and whole process can be observed by transparent soft shell.The present invention solves the problem of that poor build under water under air environment of friction stitch welding Underwater Welding welding quality is welded, and optimizes Underwater Welding process, expands the purpose of process parameters range.
Description
The present patent application is a kind of divisional application of parent application " drainage arrangement for underwater friction stitch welding ", female case Shen
Please application No. is 2014101714047, the applying date is on April 25th, 2014.
Technical field
The invention belongs to Solid-State Welding technical fields, more particularly, are related to a kind of novel friction stitch welding local dry cavity
Drainage arrangement.
Background technology
Friction stitch welding is a kind of novel solid phase connecting method.Friction stitch welding is W M Thomas, the E D for having TWI
Nicholas et al. was in invention in 1992.Europe has put into a large amount of energy and has carried out relevant basic grind nearly ten years
Study carefully.Friction stitch welding has all done preliminary research in domestic aspect Beijing Institute of Petrochemical Technology, University Of Tianjin etc..
The cell orifice welding of friction stitch welding is referred to as Friction Hydro Pillar Processing (FHPP), former
Reason is to utilize consumable characteristic stick (can be referred to as stopper) under the conditions of certain pressure or pulling force, passes through driving device band
Dynamic stopper rotation, stopper decline in rotation, and stopper contacts with consent (waiting for welding hole), rubs, and forms plasticized metal, then stopper
Stalling, upset complete welding.As the welding technique and recovery technique of a solid phase, friction welding (FW) has many advantages, such as ring
It protects, weldering speed is fast, can weld etc. in harsh environment.
The characteristics of due to friction stitch welding so that its weld under water and adverse circumstances under welding have prodigious advantage,
So the main direction of studying of friction stitch welding is under water, but the specific heat capacity of water is higher, can lead to the appearance of hardened structure,
It is unfavorable for the bore process of seam weld process next stage, so grope to Underwater Welding local dry cavity, but due to its stopper
Consumptive material is consumption property, and with the progress of welding process, the height of drainage cover is continually changing, this will lead to drainage arrangement
Different from the drainage arrangement of the local dry cavity of general melting welding.Both at home and abroad also still to the research of friction stitch welding local dry underwater welding
In the starting stage.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of underwater friction stitch welding local draining device,
In order to solve the problem of that poor build under water under air environment of friction stitch welding Underwater Welding welding quality is welded, the reality of design
Test equipment, experiment flow and Processing for Data Analysis in Physics.To reach more better quality of weld joint, optimize Underwater Welding
Process expands the purpose of process parameters range.
The technical purpose of the present invention is achieved by following technical proposals：
A kind of drainage arrangement for underwater friction stitch welding, including soft shell, flange, foam mat, venthole, magnetic force
Sucker, backing plate, mounting hole and jointing clip, wherein：
Soft shell, flange, foam mat and workpiece surface constitute gas chamber, and the draining for being substantially carried out welding region is close
Envelope further includes matched air delivery device.
The soft shell is in conical tubular, and in the top of whole device, the top center of soft shell is provided with
Mounting hole, for connecting welding equipment main tapping and be sealed, the lower face of soft shell and flanged joint, using connection
Clip is connected and fixed, and the soft shell mainly uses silica gel or PVC material to make, and height can disappearing with stopper
It consumes the pushing with main tapping and reduces, and have certain transparency to observe drainage situation and welding process.Soft shell, method
Blue, foam mat and workpiece surface constitute gas chamber, are substantially carried out the draining sealing of welding region.
The flange is in annulus shape, and the lower face of upper surface and soft shell is connected and fixed, uniform along circumference of flange
Air admission hole, such as 4-6 air admission holes are set, using air inlet to drain, and maintain the shape of gas chamber, keeps the storage needed for gas chamber
Tolerance.
The foam mat of the flange lower face and annulus shape is connected and fixed, to keep air-tightness, prevent aqueous reflux.
The magnetic suction disc is connected with backing plate, and the backing plate is connected to the bottom of flange, the magnetic suction disc and backing plate
Quantity is consistent, and the magnetic suction disc is uniformly distributed along circumference of flange direction, such as 4-6 magnetic suction discs；Magnetic suction disc can be with machine
Tool is adjusted, and major function is the position of fixed drainage arrangement, prevents not caused enough the water of soft shell rigidity in drainage procedure
Cover tumble or welding process in vibrations lead to drainage arrangement change in location etc..
The technical solution of this method can be used for friction stitch welding welder equipment and be tested to a variety of materials, in welding process
Overlap formation and the observation of welding stability are welded, friction stitch welding welder equipment can be realized under water using the equipment of the present invention
The welding of any position：It first, in accordance with certain dimensioned stopper, is assembled on welding machine main tapping, spring chuck is fixed, will
Soft shell is fixed on main tapping, is connected by jointing clip, and then flange is connected with soft shell, same using connection
Clamp connection, sponge are pasted in flange base, then assemble four connectors and are connected on magnetic stand, are existed by magnetic-adsorption
Workpiece surface.Connection gas circuit, which is loaded after stopper, can be carried out experiment.Start-up frequency simultaneously, is arranged before welding starts
Water, so that horizontal plane is located under workpiece.Start friction stitch welding equipment, welding machine main shaft will move downward, soft shell height side
To contraction, stopper and (base material) workpiece contact, and welding process starts, and whole process can be observed by transparent soft shell.
Technical solution through the invention can obtain the connector of local dry underwater welding.
Needed for Welding experiment of the present invention for the underwater local dry cavity of friction stitch welding.It is folded that the experimental facilities is mainly used for friction
Weld local dry cavity welding, can to ensure local dry cavity it is smooth implement and can intuitively observe very much welding process, from
And reach the mechanism for more profoundly analyzing friction stitch welding, optimize the effect of friction stitch welding technological parameter, to the reason of friction stitch welding
There is important meaning by research aspect.
Description of the drawings
Fig. 1 is the structural schematic diagram of the drainage arrangement of the present invention, wherein 1 is soft shell, 2 be flange, and 3 be sponge liner
Pad, 4 be venthole, and 5 be magnetic suction disc, and 6 be backing plate, and 7 be mounting hole, and 8 be jointing clip.
Specific implementation mode
The technical solution further illustrated the present invention with reference to specific embodiment.
As shown in Fig. 1, the structural schematic diagram of drainage arrangement of the invention, wherein 1 is soft shell, 2 be flange, and 3 are
Foam mat, 4 be venthole, and 5 be magnetic suction disc, and 6 be backing plate, and 7 be mounting hole, and 8 be jointing clip.
Soft shell, flange, foam mat and workpiece surface constitute gas chamber, and the draining for being substantially carried out welding region is close
Envelope further includes matched air delivery device (not marked in figure).
The soft shell is in conical tubular, and in the top of whole device, the top center of soft shell is provided with
Mounting hole, for connecting welding equipment main tapping and be sealed, the lower face of soft shell and flanged joint, using connection
Clip is connected and fixed, and the soft shell mainly uses silica gel or PVC material to make, and height can disappearing with stopper
It consumes the pushing with main tapping and reduces, and have certain transparency to observe drainage situation and welding process.Soft shell, method
Blue, foam mat and workpiece surface constitute gas chamber, are substantially carried out the draining sealing of welding region.
The flange is in annulus shape, and the lower face of upper surface and soft shell is connected and fixed, uniform along circumference of flange
Air admission hole, such as 4-6 air admission holes are set, using air inlet to drain, and maintain the shape of gas chamber, keeps the storage needed for gas chamber
Tolerance.
The foam mat of the flange lower face and annulus shape is connected and fixed, to keep air-tightness, prevent aqueous reflux.
The magnetic suction disc is connected with backing plate, and the backing plate is connected to the bottom of flange, the magnetic suction disc and backing plate
Quantity is consistent, and the magnetic suction disc is uniformly distributed along circumference of flange direction, such as 4-6 magnetic suction discs；Magnetic suction disc can be with machine
Tool is adjusted, and major function is the position of fixed drainage arrangement, prevents not caused enough the water of soft shell rigidity in drainage procedure
Cover tumble or welding process in vibrations lead to drainage arrangement change in location etc..
When being tested, workpiece and stopper are installed first, the soft shell of above-mentioned drainage arrangement is then utilized connection
(main tapping is mounted in mounting hole, do not shown in figure) in clamp connection to main tapping, soft shell and flange pass through company
Clamp connection is connect, magnetic suction disc is fixed on flange, it is made to be close to the surface of workpiece.Magnetic suction disc switch is opened, the suction of magnetic
It will be transmitted to flange by backing plate, compress sponge, so that itself and workpiece surface is in close contact, while start-up frequency, opened in welding
It was drained before beginning, so that horizontal plane is located under workpiece.The big rotating speed and negative pressure of stopper will not cause shadow to drainage effect
It rings.Start friction stitch welding equipment, welding machine main shaft will move downward, and soft shell short transverse is shunk, stopper and (base material) workpiece
Contact, welding process start, and whole process can be observed by transparent soft shell.
Illustrative description has been done to the present invention above, it should explanation, the case where not departing from core of the invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent replacement of creative work equal
Fall into protection scope of the present invention.
Claims (4)
1. the application method of underwater friction stitch welding drainage arrangement, which is characterized in that underwater friction stitch welding drainage arrangement includes flexibility
Shell, flange, foam mat, venthole, magnetic suction disc, backing plate, mounting hole and jointing clip, wherein：
The soft shell is in conical tubular, and in the top of whole device, the top center of soft shell is provided with installation
Hole, for connecting welding equipment main tapping and be sealed, the lower face of soft shell and flanged joint, using jointing clip
Be connected and fixed, height can be reduced with the consumption of stopper and the pushing of main tapping, and have certain transparency so as to
Observe drainage situation and welding process；
The flange is in annulus shape, and the lower face of upper surface and soft shell is connected and fixed, is uniformly arranged along circumference of flange
Air admission hole using air inlet to drain, and maintains the shape of gas chamber, keeps the air storage amount needed for gas chamber；
The foam mat of the flange lower face and annulus shape is connected and fixed, to keep air-tightness, prevent aqueous reflux；
The magnetic suction disc is connected with backing plate, and the backing plate is connected to the bottom of flange, the quantity of the magnetic suction disc and backing plate
Unanimously, the magnetic suction disc is uniformly distributed along circumference of flange direction, to the position of fixed drainage arrangement, is prevented in drainage procedure
Soft shell rigidity not enough caused by water cover tumble or welding process in vibrations lead to drainage arrangement change in location；Into
Then the soft shell of drainage arrangement is connected to main tapping in use, install workpiece and stopper first by row using jointing clip
On, soft shell is connected with flange by jointing clip, and magnetic suction disc is fixed on flange, it is made to be close to the surface of workpiece, magnetic
Power sucker switch is opened, and the suction of magnetic will be transmitted to flange by backing plate, compress sponge, itself and workpiece surface is made closely to connect
It touches, while start-up frequency is drained before welding starts, so that horizontal plane is located under workpiece, the big rotating speed of stopper and is born
Pressure will not impact drainage effect, start friction stitch welding equipment, and welding machine main shaft will move downward, soft shell height side
To contraction, stopper and workpiece contact, welding process start, and whole process can be observed by transparent soft shell.
2. the application method of underwater friction stitch welding drainage arrangement according to claim 1, which is characterized in that described flexible outer
Shell is made of silica gel or PVC material.
3. the application method of underwater friction stitch welding drainage arrangement according to claim 1, which is characterized in that along flange circle
It is uniformly arranged 4-6 air admission holes week.
4. the application method of underwater friction stitch welding drainage arrangement according to claim 1, which is characterized in that the magnetic force is inhaled
Disk is uniformly distributed 4-6 magnetic suction discs along circumference of flange direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610918541.1A CN106312296B (en) | 2014-04-25 | 2014-04-25 | The application method of underwater friction stitch welding drainage arrangement |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410171404.7A CN105014233B (en) | 2014-04-25 | 2014-04-25 | Draining device for underwater friction stitch welding |
| CN201610918541.1A CN106312296B (en) | 2014-04-25 | 2014-04-25 | The application method of underwater friction stitch welding drainage arrangement |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410171404.7A Division CN105014233B (en) | 2014-04-25 | 2014-04-25 | Draining device for underwater friction stitch welding |
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| Publication Number | Publication Date |
|---|---|
| CN106312296A CN106312296A (en) | 2017-01-11 |
| CN106312296B true CN106312296B (en) | 2018-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610918541.1A Active CN106312296B (en) | 2014-04-25 | 2014-04-25 | The application method of underwater friction stitch welding drainage arrangement |
| CN201410171404.7A Active CN105014233B (en) | 2014-04-25 | 2014-04-25 | Draining device for underwater friction stitch welding |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410171404.7A Active CN105014233B (en) | 2014-04-25 | 2014-04-25 | Draining device for underwater friction stitch welding |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676288B (en) * | 2019-01-14 | 2021-05-14 | 天津大学 | Underwater local dry low-pressure welding three-layer drainage cover and method for obtaining low pressure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2458117Y (en) * | 2000-12-19 | 2001-11-07 | 华南理工大学 | Submersible welding miniature draining device |
| CN101244498A (en) * | 2007-02-16 | 2008-08-20 | 北京石油化工学院 | Partial dry type automatic welding drainage arrangement |
| CN101254563A (en) * | 2008-02-20 | 2008-09-03 | 中国人民解放军91872部队上海研究室 | Portable underwater dry-type welding device |
| CN102950377A (en) * | 2012-11-23 | 2013-03-06 | 北京石油化工学院 | Local dry-type underwater friction stitch welding device |
| CN103212780A (en) * | 2013-04-28 | 2013-07-24 | 江苏科技大学 | Partial-draining and semi-dry type underwater friction stir welding set |
| CN103433606A (en) * | 2013-08-19 | 2013-12-11 | 天津大学 | Special portable miniature drainage cover for automatic underwater local dry-method welding |
| CN203875477U (en) * | 2014-04-25 | 2014-10-15 | 天津大学 | Local dry-method small-size water discharging device for underwater friction stitch welding |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0890222A (en) * | 1994-09-14 | 1996-04-09 | Toshiba Corp | Under water welding device |
| CN203875478U (en) * | 2014-04-25 | 2014-10-15 | 天津大学 | Drainage device for underwater friction stitch welding |
-
2014
- 2014-04-25 CN CN201610918541.1A patent/CN106312296B/en active Active
- 2014-04-25 CN CN201410171404.7A patent/CN105014233B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2458117Y (en) * | 2000-12-19 | 2001-11-07 | 华南理工大学 | Submersible welding miniature draining device |
| CN101244498A (en) * | 2007-02-16 | 2008-08-20 | 北京石油化工学院 | Partial dry type automatic welding drainage arrangement |
| CN101254563A (en) * | 2008-02-20 | 2008-09-03 | 中国人民解放军91872部队上海研究室 | Portable underwater dry-type welding device |
| CN102950377A (en) * | 2012-11-23 | 2013-03-06 | 北京石油化工学院 | Local dry-type underwater friction stitch welding device |
| CN103212780A (en) * | 2013-04-28 | 2013-07-24 | 江苏科技大学 | Partial-draining and semi-dry type underwater friction stir welding set |
| CN103433606A (en) * | 2013-08-19 | 2013-12-11 | 天津大学 | Special portable miniature drainage cover for automatic underwater local dry-method welding |
| CN203875477U (en) * | 2014-04-25 | 2014-10-15 | 天津大学 | Local dry-method small-size water discharging device for underwater friction stitch welding |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105014233A (en) | 2015-11-04 |
| CN105014233B (en) | 2017-04-19 |
| CN106312296A (en) | 2017-01-11 |
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Effective date of registration: 20221116 Address after: 300385 B4-1-202 Saida International Industrial City, Xiqing Economic and Technological Development Zone, Tianjin Patentee after: Tianjin Yifei Technology Incubation Co.,Ltd. Address before: 300072 Tianjin City, Nankai District Wei Jin Road No. 92 Patentee before: Tianjin University |
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Effective date of registration: 20230719 Address after: 300385 B4-201 Saida International Industrial City, Xiqing Economic and Technological Development Zone, Tianjin Patentee after: Tianjin Yirao Technology Incubation Co.,Ltd. Address before: 300385 B4-1-202 Saida International Industrial City, Xiqing Economic and Technological Development Zone, Tianjin Patentee before: Tianjin Yifei Technology Incubation Co.,Ltd. |