CN106181022A - A kind of stirring friction welding agitator head that can improve slab Base Heat input quantity - Google Patents
A kind of stirring friction welding agitator head that can improve slab Base Heat input quantity Download PDFInfo
- Publication number
- CN106181022A CN106181022A CN201610833547.9A CN201610833547A CN106181022A CN 106181022 A CN106181022 A CN 106181022A CN 201610833547 A CN201610833547 A CN 201610833547A CN 106181022 A CN106181022 A CN 106181022A
- Authority
- CN
- China
- Prior art keywords
- mixing needle
- head
- heat input
- friction welding
- stirring
- 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.)
- Granted
Links
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
- 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
- B23K20/1245—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 characterised by the apparatus
- B23K20/1255—Tools therefor, e.g. characterised by the shape of the probe
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/18—Sheet panels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
A kind of stirring friction welding agitator head that can improve slab Base Heat input quantity, it is characterized in that it be made up of grip shank (1), supporter (2), the shaft shoulder (3), mixing needle (4), swivel head (5) and guide rod (6) form；One end of the shaft shoulder (3) is integrally attached to mixing needle (4), the other end is connected with supporter (2), supporter (2) is connected with grip shank (1), swivel head (5) is arranged on the end of mixing needle (4) and can make the rotation with mixing needle (4) friction speed under the drive of guide rod (6), and guide rod (6) is connected through mixing needle (4), supporter (2) and grip shank (1) with driving its motor rotated.The present invention can increase the quantity of heat production of slab base material, solves sheet material base region in slab stir friction welding process and easily produces the problem of the defect such as hole and groove, improves slab friction stir welding quality；Meanwhile, the stirring-head of the present invention improves joint quality and the yield rate of thick plates, reduces percent defective, improves production efficiency.
Description
Technical field
The present invention relates to a kind of agitating friction weldering stirring-head, a kind of agitating friction for thick plates welds to be used
Stirring-head, a kind of stirring friction welding agitator head that can improve slab Base Heat input quantity.
Background technology
Agitating friction weldering (FSW) is to be sent out by Britain's institute of welding (The Welding Institute, TWI) for 1991
Bright (US 5460317) a kind of novel solid phase joining technique, the principle of this technology is the strong friction utilizing stirring-head with material
With the stirring action to softener material, solder design district is made to be in hot plastic state and make it tend to fusing, mixing, along with stirring
Head is advanced forward, forms weld seam at the rear of stirring-head, completes solid diffusivity.During agitating friction weldering, the stirring-head shaft shoulder produces
Heat accounts for the 80%-90% of stirring-head quantity of heat production, and mixing needle heat production only accounts for the 10%-20% of overall heat production, so carrying out
In slab agitating friction connection procedure, sheet material base is usually because heat input deficiency causes the mobility of this region material not
Foot, easily produces the defect such as hole and groove in sheet material base region.The appearance of sheet material base cavity and groove greatly reduces
Joint performance.
In order to increase the plastic metal mobility of slab base material, improve the bonding strength of cut deal, patent of invention "
Kind of magnesium, Aluminum Alloy Plate friction stir welding method " (patent publication No.: CN102689090A) use apply bottom weld seam auxiliary
Help thermal source to carry out preheated weld district metal, improve sheet material base heat input, thus improve sheet material base material flowability, it is to avoid even
Connect the generation of defect.But, this method can bring in welding point problem softened zone on a large scale occur, and the method increases simultaneously
Add the complexity connecting equipment.
Patent of invention " a kind of high-strength aluminum alloy slab underground heat input friction stir welding method " (patent publication No.:
CN103624398A) use and processed the multi-stage stairs shape of given size by weldering slab edge side, carry out multiple-layer overlapped, many
The technique of passage agitating friction weldering, it is achieved the agitating friction of high-strength aluminum alloy thick plates connects, improves the performance of joint.But, this
The method of kind needs to be greatly increased the pre-welding treatment time of connection procedure sheet material, the clamping of welding process and the time of process, greatly
Reduce welding efficiency.
Summary of the invention
Can cause at the end because of bottom shortage of heat when it is an object of the invention to weld for slab (more than 30 millimeters) agitating friction
Portion's material flowability is poor, the problem being easily generated the defect such as hole and groove, designs a kind of slab Base Heat input quantity of improving
Stirring friction welding agitator head, thus increase base material mobility, it is to avoid the generation bottom slab of hole and groove.
The technical scheme is that
A kind of stirring friction welding agitator head that can improve slab Base Heat input quantity, it is characterized in that it by grip shank 1, supporter 2,
The shaft shoulder 3, mixing needle 4 form, swivel head 5 and guide rod 6 form；One end of the shaft shoulder 3 is integrally attached to mixing needle 4, the other end with
Support body 2 is connected, and supporter 2 is connected with grip shank 1, and swivel head 5 is arranged on the end of mixing needle 4 and can be at guide rod 6
Driving lower work and the rotation of mixing needle 4 friction speed, guide rod 6 rotates through mixing needle 4, supporter 2 and grip shank 1 with driving it
Motor be connected.
The described tapered structure of swivel head 5, its surface is provided with the circular groove structure 10 that can increase friction.
The degree of depth of described circular groove structure 10 is 0.1mm-5mm.
Fluted structure 7 on the described shaft shoulder 3, is provided with spiral groove structured 8 and annular recess structure 9 on mixing needle 4.
Described groove structure 7 is circular arc or other shape, and its degree of depth is 0.1mm-5mm.
Described annular recess structure 9 is circular arc or other shape, and its degree of depth is 0.1mm-5mm, by root the end of to
Portion's degree of depth is gradually reduced, and roots deep is not less than 1mm.
The quantity of described on mixing needle 4 spiral groove structured 8 is two circles, and its cross sectional shape is circular arc or polygon
Shape, spiral groove structured 8 are gradually reduced to the degree of depth of bottom by root, and roots deep should be not less than 0.5mm.
Described mixing needle 4 and the quantity of the shaft shoulder 3 are two groups or more than two groups, and the closer to mixing needle 4 He of supporter 2
The size of the shaft shoulder 3 is the biggest, and is sequentially reduced.
Beneficial effects of the present invention:
The stirring friction welding agitator head of the present invention, by increasing the swivel head being connected with motor, in welding bottom mixing needle
During, swivel head high-speed rotation, add the quantity of heat production of slab base material, improve the mobility of slab base material,
Solve sheet material base region in slab stir friction welding process and easily produce the problem of the defect such as hole and groove, improve
Slab friction stir welding joint quality.Relative to additive method, the stirring-head of the present invention improves the joint matter of thick plates
Amount and yield rate, reduce percent defective, improve production efficiency.
The experiment proved that, under equal conditions, slab friction stir welding joint tensile strength more than 30% can be improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the stirring-head of the present invention.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
A kind of stirring friction welding agitator head that can improve slab Base Heat input quantity, as it is shown in figure 1, it by grip shank 1,
Support body 2, the shaft shoulder 3, mixing needle 4(taper type) composition, swivel head 5(is also for taper type) and guide rod 6 form；As shown in Figure 1, stirring
Size bottom pin 4 is basically the same with swivel head 5 root, and one end of the shaft shoulder 3 is integrally attached to mixing needle 4, the other end with
Supporter 2 is connected, and supporter 2 is connected with grip shank 1, and the end of mixing needle 4 contacts with swivel head 5, and swivel head 5 is by leading
Bar 6 is connected with motor；Grip shank 1, supporter 2, the shaft shoulder 3, mixing needle 4 consist of coaxial configuration, have coaxial at inside center
Aperture is easy to guide rod 6 and is connected with swivel head 5；Fluted structure 7 on the shaft shoulder 3, has spiral groove structured 8 Hes on mixing needle 4
Annular recess structure 9；Swivel head 5 has circular groove structure 10.On the end face that the described shaft shoulder 3 is connected with mixing needle 4
Multi-turn circular arc or polygonal grooves 7 being distributed, is wherein optimal with circular arc, it is the most convenient to process, and uses circular groove
Time, the degree of depth of groove should be not less than 1mm；Described mixing needle 4 with on two circular arcs or polygonal spiral groove 8 are distributed
With multi-turn annular recess 9, being wherein optimal with circular arc, it is the most convenient to process, when using circular groove, and helical groove (cone
The end) it is gradually reduced to bottom (cone) depth of groove by root, the degree of depth of root should be not less than 0.5mm；Annular recess is by root
(large awl end) is gradually reduced to bottom (little conehead) depth of groove, and the root notches degree of depth is not less than 1mm.At described swivel head 5
With some circle circular arc or polygon be above distributed increase the groove 10 of friction, be wherein optimal with circular arc, process the most square
Just, when using circular groove, the degree of depth of groove should be not less than 0.1mm.
It is illustrated in figure 1 welding 30mm heavy-gauge sheeting and improves the stirring friction welding agitator head of slab Base Heat input quantity.Axle
Takeing on 3 a diameter of 30mm, the shaft shoulder has 4 circle circular grooves 7, depth of groove is 1mm；Mixing needle 4 root diameter (RD) 10mm, bottom is straight
Footpath 4mm, mixing needle has 2 circular arc helical grooves 8, and depth of groove is 0.5mm, has 11 loop grooves 9, and groove is circular arc
Shape, depth of groove is gradually reduced to bottom by mixing needle root, and the root notches degree of depth is 1mm；Bottom swivel head 5 and mixing needle 4
Completely attaching to, swivel head 5 upper diameter is 4mm, and bottom diameter is 2mm, and swivel head has 12 circle circular arc annular recess 10, recessed
Groove depth is 0.1mm.In welding process, the swivel head being connected with motor quickly rotates, and produces with the friction of slab base material
Raw amount of heat, improves the softening degree of material, adds the mobility of material, thus avoid the defect such as hole and groove
Generation, improve the quality of heavy-plate joint.
The stirring-head of present invention design will be used to test with the stirring-head of same type, actual measurement proves, can carry
High slab friction stir welding joint tensile strength more than 30%.
When being embodied as, in order to improve penetration rate further, increase the caloric value bottom slab, also can be by single mixing needle
4 structures adding the shaft shoulder 3 are designed as being added the structure of the shaft shoulder 3 by multiple mixing needles 4 being coaxially disposed, and the second axle mixing needle 4 adds the shaft shoulder 3
The size of structure is less than the size of the first order (near supporter 2), say, that the size of first order mixing needle needle point with
The matching size of the second level shaft shoulder, by that analogy, swivel head is then arranged on afterbody mixing needle.
Part that the present invention does not relate to is the most same as the prior art maybe can use prior art to be realized.
Claims (8)
1. can improve a stirring friction welding agitator head for slab Base Heat input quantity, it is characterized in that it is by grip shank (1), support
Body (2), the shaft shoulder (3), mixing needle (4) composition, swivel head (5) and guide rod (6) composition；One end of the shaft shoulder (3) is whole with mixing needle (4)
Body is connected, and the other end is connected with supporter (2), and supporter (2) is connected with grip shank (1), and swivel head (5) is arranged on stirring
On the end of pin (4) and can make under the drive of guide rod (6) and the rotation of mixing needle (4) friction speed, guide rod (6) is through stirring
Pin (4), supporter (2) are connected with driving its motor rotated with grip shank (1).
The stirring friction welding agitator head that can improve slab Base Heat input quantity the most according to claim 1, is characterized in that institute
Swivel head (5) the tapered structure stated, its surface is provided with the circular groove structure (10) that can increase friction.
The stirring friction welding agitator head that can improve slab Base Heat input quantity the most according to claim 2, is characterized in that institute
The degree of depth of the circular groove structure (10) stated is 0.1mm-5mm.
The stirring friction welding agitator head that can improve slab Base Heat input quantity the most according to claim 1, is characterized in that institute
The upper fluted structure (7) of the shaft shoulder (3) stated, is provided with spiral groove structured (8) and annular recess structure (9) on mixing needle (4).
The stirring friction welding agitator head that can improve slab Base Heat input quantity the most according to claim 4, is characterized in that institute
The groove structure (7) stated is circular arc or other shape, and its degree of depth is 0.1mm-5mm.
The stirring friction welding agitator head that can improve slab Base Heat input quantity the most according to claim 4, is characterized in that institute
The annular recess structure (9) stated is circular arc or other shape, and its degree of depth is 0.1mm-5mm, by root to the bottom degree of depth by
The least, roots deep is not less than 1mm.
The stirring friction welding agitator head that can improve slab Base Heat input quantity the most according to claim 4, is characterized in that institute
The quantity of spiral groove structured (8) on mixing needle (4) stated is two circles, and its cross sectional shape is circular arc or polygon, spiral
Groove structure (8) is gradually reduced to the degree of depth of bottom by root, and roots deep should be not less than 0.5mm.
The stirring friction welding agitator head that can improve slab Base Heat input quantity the most according to claim 1, is characterized in that institute
The mixing needle (4) stated and the quantity of the shaft shoulder (3) they are two groups or more than two groups, and the closer to the mixing needle (4) of supporter (2) and axle
The size of shoulder (3) is the biggest, and is sequentially reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833547.9A CN106181022B (en) | 2016-09-20 | 2016-09-20 | A kind of stirring friction welding agitator head that can improve slab bottom heat input |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610833547.9A CN106181022B (en) | 2016-09-20 | 2016-09-20 | A kind of stirring friction welding agitator head that can improve slab bottom heat input |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106181022A true CN106181022A (en) | 2016-12-07 |
| CN106181022B CN106181022B (en) | 2018-02-27 |
Family
ID=58067993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833547.9A Active CN106181022B (en) | 2016-09-20 | 2016-09-20 | A kind of stirring friction welding agitator head that can improve slab bottom heat input |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106181022B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107971634A (en) * | 2017-12-27 | 2018-05-01 | 长沙理工大学 | A kind of method and system of the compound penetration fustion welding slab of laser-stirring |
| CN108356406A (en) * | 2018-04-17 | 2018-08-03 | 安徽工程大学 | A kind of titanium alloy surface agitating friction modification stirring-head |
| WO2023077304A1 (en) * | 2021-11-03 | 2023-05-11 | 黄山学院 | Special stirring head for friction stir welding of aluminum alloy thick plates |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007119343A1 (en) * | 2006-03-16 | 2007-10-25 | Showa Denko K.K. | Friction stirring bonding tool and friction stirring bonding method |
| US20090140027A1 (en) * | 2007-11-30 | 2009-06-04 | Hitachi, Ltd | Friction stir spot welding tool and method |
| CN101774081A (en) * | 2010-03-09 | 2010-07-14 | 南京航空航天大学 | Weld seam lowering and thickness thinning combined stirrer used for friction stir welding |
| EP1872893B1 (en) * | 2005-04-19 | 2010-11-24 | Sumitomo Light Metal Industries, Ltd. | Rotary tool for friction stirring-spot welding and friction stirring-spot welding method using the rotary tool |
| CN202555969U (en) * | 2012-04-23 | 2012-11-28 | 无锡天野数控装备有限公司 | Inter-shaft structure for double-shaft friction stir welding of heavy plates |
| CN103286435A (en) * | 2013-06-20 | 2013-09-11 | 山东大学 | Stir head for friction stir machining and fabrication of metal matrix composite |
| CN203390384U (en) * | 2013-08-19 | 2014-01-15 | 苏州市永创金属科技有限公司 | Zero-angle stirring and abrading welding joint |
| CN104227222A (en) * | 2013-06-05 | 2014-12-24 | 伊德斯德国股份有限公司 | Friction stir processing tool having non-circumferential shoulder and friction stir processing method performable therewith |
| CN205393779U (en) * | 2016-02-05 | 2016-07-27 | 河南正航主轴科技有限公司 | Stir -welding head for friction stir welding |
| CN105855693A (en) * | 2016-06-24 | 2016-08-17 | 哈尔滨万洲焊接技术有限公司 | Combined triggering type friction stir plug braze welding and repair welding method and welding tool thereof |
-
2016
- 2016-09-20 CN CN201610833547.9A patent/CN106181022B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1872893B1 (en) * | 2005-04-19 | 2010-11-24 | Sumitomo Light Metal Industries, Ltd. | Rotary tool for friction stirring-spot welding and friction stirring-spot welding method using the rotary tool |
| WO2007119343A1 (en) * | 2006-03-16 | 2007-10-25 | Showa Denko K.K. | Friction stirring bonding tool and friction stirring bonding method |
| US20090140027A1 (en) * | 2007-11-30 | 2009-06-04 | Hitachi, Ltd | Friction stir spot welding tool and method |
| CN101774081A (en) * | 2010-03-09 | 2010-07-14 | 南京航空航天大学 | Weld seam lowering and thickness thinning combined stirrer used for friction stir welding |
| CN202555969U (en) * | 2012-04-23 | 2012-11-28 | 无锡天野数控装备有限公司 | Inter-shaft structure for double-shaft friction stir welding of heavy plates |
| CN104227222A (en) * | 2013-06-05 | 2014-12-24 | 伊德斯德国股份有限公司 | Friction stir processing tool having non-circumferential shoulder and friction stir processing method performable therewith |
| CN103286435A (en) * | 2013-06-20 | 2013-09-11 | 山东大学 | Stir head for friction stir machining and fabrication of metal matrix composite |
| CN203390384U (en) * | 2013-08-19 | 2014-01-15 | 苏州市永创金属科技有限公司 | Zero-angle stirring and abrading welding joint |
| CN205393779U (en) * | 2016-02-05 | 2016-07-27 | 河南正航主轴科技有限公司 | Stir -welding head for friction stir welding |
| CN105855693A (en) * | 2016-06-24 | 2016-08-17 | 哈尔滨万洲焊接技术有限公司 | Combined triggering type friction stir plug braze welding and repair welding method and welding tool thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107971634A (en) * | 2017-12-27 | 2018-05-01 | 长沙理工大学 | A kind of method and system of the compound penetration fustion welding slab of laser-stirring |
| CN108356406A (en) * | 2018-04-17 | 2018-08-03 | 安徽工程大学 | A kind of titanium alloy surface agitating friction modification stirring-head |
| WO2023077304A1 (en) * | 2021-11-03 | 2023-05-11 | 黄山学院 | Special stirring head for friction stir welding of aluminum alloy thick plates |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106181022B (en) | 2018-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105880826B (en) | A kind of slab friction stir welding method for avoiding bottom defect, improving joint performance | |
| CN106271030A (en) | A kind of stagewise stirring-head for the weldering of slab agitating friction | |
| US6676008B1 (en) | Friction stir welding of corner configurations | |
| CN204621348U (en) | Combined type double-shaft shoulder friction stir welding soldering tip | |
| CN103521912B (en) | A kind of friction stir welding tools for lap joint | |
| CN106181022A (en) | A kind of stirring friction welding agitator head that can improve slab Base Heat input quantity | |
| CN103071915A (en) | Friction stir welding stirring head capable of reducing forward resistance | |
| CN101559531B (en) | Polishing multifunctional stirring friction welding tool with welding | |
| CN104985321B (en) | A kind of manual agitating friction welding equipment and method | |
| CN105414737B (en) | A kind of method for improving thin plate friction stir welding performance | |
| CN103071916B (en) | The stirring-head without shaft shoulder friction stir welding of overlap can be reduced | |
| CN108127244A (en) | A kind of dissimilar material mispairing handles two pass friction stir welding method | |
| CN110524105B (en) | Rotary welding tool for friction welding and welding method | |
| CN102350586A (en) | Stirring head capable of enhancing mechanical property of stirring friction connecting area | |
| CN101934426B (en) | Method for improving plasticity of underwater stir friction welding joint | |
| CN107150166A (en) | A kind of thermal source assisted recombination formula twin shaft needleless dynamic agitation friction welding method | |
| CN106583912A (en) | Laser coaxial type indirect thermally induced auxiliary micro stirring friction welding device | |
| JP2019048305A (en) | Holding jig and holding jig set for double acting type friction stir spot joining and double acting type friction stir spot joining device and double acting type friction stir spot joining method | |
| CN110919161A (en) | Minor diameter shaft shoulder stirring head | |
| CN108453369A (en) | A kind of stirring-head for slab lamination aluminum alloy stirring friction welding | |
| CN109623133A (en) | A kind of bolt enhancing friction stir spot welding method suitable for titanium aluminium dissimilar materials | |
| CN107150167A (en) | A kind of chuck is powered assisted recombination formula twin shaft dynamic agitation friction welding method | |
| CN108857042A (en) | A kind of postwelding adjusting method improving metal welding seam performance | |
| CN108015407A (en) | A kind of stirring header structure for agitating friction weldering | |
| CN103128437A (en) | Stirring friction welding device avoiding forming root defects and welding method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |