CN108031967A - The upset force self compensation stirring tool and welding method of aclinal agitating friction weldering - Google Patents
The upset force self compensation stirring tool and welding method of aclinal agitating friction weldering Download PDFInfo
- Publication number
- CN108031967A CN108031967A CN201711210728.7A CN201711210728A CN108031967A CN 108031967 A CN108031967 A CN 108031967A CN 201711210728 A CN201711210728 A CN 201711210728A CN 108031967 A CN108031967 A CN 108031967A
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- China
- Prior art keywords
- stirring tool
- aclinal
- mixing needle
- agitating friction
- upset force
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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
- B23K20/12—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
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention relates to a kind of upset force self compensation stirring tool suitable for aclinal agitating friction weldering, including gripping section, cylindrical section and mixing needle, gripping section, cylindrical section and mixing needle are structure as a whole from top to bottom, and gripping section is cylinder, and side is milled with plane and is used to fasten；Cylindrical section is cylinder, and diameter is more than gripping section, is circumferentially provided with radiating groove, the lower face of cylindrical section is the shaft shoulder；The outer toroid of the shaft shoulder is plane and is provided with archimedean spiral groove at least two, and the interior annular of the shaft shoulder is inner concave shape, indent and mixing needle rounding off, and mixing needle is upper coarse and lower fine round platform, and mixing needle side is provided with characteristic threads.The stirring tool has with conventional inner concave shape stirring tool produces the self-compensating effect of upset force with weldering to materials to be welded, it is possible to prevente effectively from the hole defect that aclinal agitating friction weldering easily occurs.
Description
Technical field
The invention belongs to welding field, is related to a kind of upset force self compensation Beater operator suitable for aclinal agitating friction weldering
Tool and welding method.
Background technology
Agitating friction weldering is a kind of new solid phase joining technique, its principle is that materials to be welded is revolved in the high speed of stirring-head
Turn that Plastic Flow, interface under the collective effect of frictional heat and axial compression be broken and a kind of solid diffusivity for being formed.
Compared to traditional melt welding method, agitating friction weldering is small with heat input, welding deformation, excellent in mechanical performance
The features such as.Low melting material has been widely used in it, such as the welding of Al alloys andMg alloys.But traditional agitating friction, which is welded in, to be welded
Journey can cause welded seam area that 0.2 ~ 0.5mm is thinned compared with mother metal, and aclinal friction stir welding method can reduce subtracting for weld seam
It is thin, but cause the upset force of welding process to weaken behind welding inclination angle, easily there is hole defect inside connector.
The content of the invention
The present invention is directed to the problem of upset force is weak in aclinal agitating friction weldering welding process, it is proposed that one kind is suitable for nothing
The upset force self compensation stirring tool of inclination angle agitating friction weldering.
The present invention is achieved by the following technical solutions：
A kind of upset force self compensation stirring tool suitable for aclinal agitating friction weldering, including gripping section, cylindrical section and stirring
Pin, three parts are structure as a whole from top to bottom.Gripping section is cylinder, and cylindrical side is milled with plane and is used to fasten；Cylindrical section is
Cylinder, diameter are more than gripping section, and side is provided with radiating groove, and mixing needle is upper coarse and lower fine round platform, has screw thread on mixing needle
Feature.
Further, the cylindrical section lower face is the shaft shoulder, and shaft shoulder outer toroid is plane and is provided with A Ji meter at least two
Moral helicla flute, shaft shoulder interior annular for inner concave shape and with mixing needle rounding off.
Preferably, the upset force self compensation stirring tool material of aclinal agitating friction weldering of the present invention is at a high speed
Steel, heat-resisting alloy steel, hot die steel, nickel-base alloy etc..
Further, the cylindrical section side offers the radiating groove of the two circle above.
Further, the shaft shoulder has a common boundary with cylindrical section is provided outside chamfering, and shaft shoulder outer toroid is plane and is provided with least two
Archimedean spiral groove, archimedean spiral groove groove profile are right-angled trapezium, and bevel edge inclination angle is 3 ~ 10 °, groove depth 0.05 ~ 0.6mm, interior
Annulus is inner concave shape, and interior re-entrant angle is 3 ~ 10 °.
Further, the diameter of shaft shoulder interior annular and outer toroid ratio is 0.4 ~ 0.8.
Further, mixing needle is truncated cone-shaped, and outer surface is provided with screw thread, and the length of mixing needle is equal to be subtracted by weldering sheet metal thickness
Remove 0.1 ~ 0.3mm.
Further, the rotation direction of the archimedean spiral groove of the thread rotary orientation of mixing needle and the shaft shoulder will match, and work as mixing needle
When screw thread is dextrorotation, the archimedean spiral groove of the shaft shoulder is clockwise, conversely, when mixing needle screw thread is dextrorotation, the shaft shoulder it is spiral
Groove is counterclockwise.
Another technical solution of the present invention is, there is provided a kind of upset force self compensation stirring of aclinal agitating friction weldering
The welding method of instrument is as follows using above-mentioned stirring tool, method：
It will be fixed on by welding plate material clamping in welding platform, stirring tool is fixed on by agitating friction soldering equipment using trip bolt
On, the main shaft angle of equipment is arranged to 0 °, and main shaft direction of rotation sets direction of rotation according to the resemblance of stirring tool, when stirring
When the mixing needle 3 for mixing instrument is dextrorotation, the direction of rotation of main shaft is arranged to counterclockwise, conversely, the direction of rotation of main shaft is up time
Pin.The rotating speed of 400 ~ 1500rpm is used to penetrate materials to be welded with the speed that penetrates of 3 ~ 5mm/min, 0 ~ 0.1mm of compression distance, with
The speed of welding of 50 ~ 600mm/min is welded, and stirring tool is extracted after the completion of welding, and welding terminates.Wherein, Beater operator is worked as
When the mixing needle of tool is dextrorotation, the direction of rotation of main shaft is arranged to counterclockwise, conversely, the direction of rotation of main shaft is clockwise.
The upset force self compensation of aclinal agitating friction weldering is mainly realized by the architectural feature of the shaft shoulder and mixing needle
, shaft shoulder outer toroid makes materials to be welded surfacing to axis to be provided with archimedean spiral groove at least two in plane and plane
Shoulder central area is gathered, while the shaft shoulder and cylindrical section intersection are provided with chamfering, be conducive to by welding plate material surfacing transition into
Enter helicla flute.Shaft shoulder interior annular carries indent, and the material that helicla flute introduces in welding process is constantly to interior annular indent and quilt
Cavity filling between welding plate material, wire chamber is interior to form an internal pressure, makes by welding metal material to be subject to downwards under shaft shoulder interior annular
Upset force, while the screw thread on mixing needle further promotes the material near mixing needle to migrate downward into, and makes the gold inside weld seam
Belong to material forging and stamping to tamp.
A kind of upset force self compensation stirring tool and welding side suitable for aclinal agitating friction weldering provided by the invention
Method, has the following advantages compared with prior art：
First, shaft shoulder outer toroid is arranged to plane and offers archimedean spiral groove and chamfering, be conducive to face of weld material to
Shaft shoulder central area is gathered, can overlap caused by significantly less welding process.
2nd, shaft shoulder interior annular is arranged to inner concave shape, can form internal pressure cavity, so as to fulfill to the modeling under shaft shoulder interior annular
Change being acted on from upset for metal, be conducive to eliminate the hole defect inside weld seam.
3rd, the upset force self compensation stirring tool and welding method proposed by the present invention suitable for aclinal agitating friction weldering
Possesses the features such as easy to operate, exploitativeness is strong.
Brief description of the drawings
Fig. 1 is the schematic three dimensional views of the stirring tool structure of the present invention；
Fig. 2 is the front view schematic diagram of the stirring tool entirety of the present invention；
Fig. 3 is the bottom view schematic diagram of the stirring tool of the present invention；
Fig. 4 is sectional view schematic diagram of the stirring tool shaft shoulder with mixing needle part of the present invention.
Embodiment
Elaborate below to the embodiment of the present invention：
A kind of upset force self compensation stirring tool of aclinal agitating friction weldering of the present invention, including gripping section 1,2 and of cylindrical section
Mixing needle 3, gripping section 1, cylindrical section 2 and mixing needle 3 are structure as a whole from top to bottom, it is characterised in that：Gripping section 1 is cylinder
Body, side are milled with plane and are used to fasten；Cylindrical section 2 is cylinder, and diameter is more than gripping section 1, and side is provided with radiating groove, mixing needle
3 be upper coarse and lower fine round platform, and side is provided with screw thread.
Further, 2 lower face of cylindrical section is shaft shoulder 2-1, and shaft shoulder 2-1 outer toroids is planes and are provided with least two
Archimedean spiral groove, shaft shoulder 2-1 interior annulars for inner concave shape and with 3 rounding off of mixing needle.2 side of cylindrical section offers
The radiating groove of the two circle above.
Preferably, the shaft shoulder 2-1 has a common boundary with cylindrical section 2 is provided outside chamfering.
Preferably, the archimedean spiral groove groove profile is right-angled trapezium, and bevel edge inclination angle is 3 ~ 10 °, groove depth 0.05 ~
0.6mm, interior annular are inner concave shape, and interior re-entrant angle is 3 ~ 10 °.
Further, the diameter of shaft shoulder interior annular and outer toroid ratio is 0.4 ~ 0.8.
Preferably, the mixing needle 3 is truncated cone-shaped, and outer surface is provided with screw thread, and the length of mixing needle 3 is thick by welding plate material
Degree subtracts 0.1 ~ 0.3mm.
Further, the rotation direction of the archimedean spiral groove of the thread rotary orientation of the mixing needle 3 and the shaft shoulder will match, when stirring
When to mix pin 3 be dextrorotation, the archimedean spiral groove of the shaft shoulder is clockwise, conversely, when 3 screw thread of mixing needle is dextrorotation, the spiral shell of the shaft shoulder
Spin slot is counterclockwise.
Embodiment 1
With reference to Fig. 1,2 explanation embodiments, a kind of upset force self compensation stirring tool suitable for aclinal agitating friction weldering, bag
Gripping section 1, cylindrical section 2 and mixing needle 3 are included, three parts are structure as a whole from top to bottom, and stirring tool material is high-speed tool steel.
Gripping section 1 is cylinder, a diameter of 20mm, and cylindrical side is milled with plane and is used to fasten.Cylindrical section 2 is cylinder, a diameter of
24mm, side are provided with 3 circle radiating grooves, and shaft shoulder outer toroid is plane and is provided with clockwise archimedean spiral groove, groove profile at 2
For right-angled trapezium, bevel edge inclination angle is 7 °, 0.05 ~ 0.2mm of groove depth, and shaft shoulder outer toroid is provided with the chamfering of 0.5mm, axis with cylindrical section
The a diameter of 16mm of shoulder interior annular and be inner concave shape, indent angle is 7 °, and indent and the mixing needle rounding off of shaft shoulder interior annular, are stirred
It is upper coarse and lower fine round platform to mix pin, the long 4.8mm of mixing needle, and right-handed thread feature is provided with mixing needle.
Embodiment 2
A kind of upset force self compensation stirring tool welding method suitable for aclinal agitating friction weldering, using such as institute of embodiment 1
The stirring tool stated, being fixed on by weldering aluminium alloy clamping in welding platform for 5mm thickness is consolidated stirring tool using trip bolt
It is scheduled on agitating friction soldering equipment, the main shaft angle of equipment is arranged to 0 °, and main shaft direction of rotation is arranged to counterclockwise, uses
The rotating speed of 800rpm penetrates materials to be welded, compression distance 0.1mm, with the welding speed of 300mm/min with the speed that penetrates of 3mm/min
Degree is welded, and stirring tool is extracted after the completion of welding, and welding terminates.
Claims (11)
1. a kind of upset force self compensation stirring tool of aclinal agitating friction weldering, including gripping section, cylindrical section and mixing needle, folder
Section, cylindrical section and mixing needle is held to be structure as a whole from top to bottom, it is characterised in that：Gripping section is cylinder, and side is milled with plane
For fastening；Cylindrical section is cylinder, and diameter is more than gripping section, and side is provided with radiating groove, and mixing needle is upper coarse and lower fine round platform,
Side is provided with screw thread.
2. a kind of upset force self compensation stirring tool of aclinal agitating friction weldering according to claims 1, its feature
It is：The cylindrical section lower face is the shaft shoulder, and shaft shoulder outer toroid is plane and is provided with archimedean spiral groove at least two, axis
Shoulder interior annular for inner concave shape and with mixing needle rounding off.
3. a kind of upset force self compensation stirring tool of aclinal agitating friction weldering according to claims 1, its feature
It is：The cylindrical section side offers the radiating groove of the two circle above.
4. a kind of upset force self compensation stirring tool of aclinal agitating friction weldering according to claims 1, its feature
It is：The shaft shoulder has a common boundary with cylindrical section is provided outside chamfering.
5. a kind of upset force self compensation stirring tool of aclinal agitating friction weldering according to claims 2, its feature
It is：The archimedean spiral groove groove profile is right-angled trapezium, and bevel edge inclination angle is 3 ~ 10 °, 0.05 ~ 0.6mm of groove depth, and interior annular is
Inner concave shape, interior re-entrant angle are 3 ~ 10 °.
6. a kind of upset force self compensation stirring tool of aclinal agitating friction weldering according to claims 4, its feature
It is：The diameter of shaft shoulder interior annular and outer toroid ratio is 0.4 ~ 0.8.
7. a kind of upset force self compensation stirring tool of aclinal agitating friction weldering according to claims 2, its feature
It is：The mixing needle is truncated cone-shaped, and outer surface is provided with screw thread, the length of mixing needle 3 be subtract 0.1 by weldering sheet metal thickness ~
0.3mm。
8. a kind of upset force self compensation stirring tool of aclinal agitating friction weldering according to claims 6, its feature
It is：The rotation direction of the thread rotary orientation of the mixing needle and the archimedean spiral groove of the shaft shoulder will match, when mixing needle is dextrorotation
When, the archimedean spiral groove of the shaft shoulder is clockwise, conversely, when mixing needle screw thread is dextrorotation, the helicla flute of the shaft shoulder is counterclockwise.
9. a kind of upset force self compensation stirring tool of aclinal agitating friction weldering according to claims 1, its feature
It is：The upset force self compensation stirring tool material of the aclinal agitating friction weldering is using high-speed steel, heat-resisting alloy steel, warm
Make mould steel, nickel-base alloy.
10. the welding side of the upset force self compensation stirring tool based on a kind of aclinal agitating friction weldering described in claim 1
Method, it is characterised in that will be fixed on by welding plate material clamping in welding platform, stirring tool is fixed on by stirring using trip bolt
On friction welding apparatus, the main shaft angle of equipment is arranged to 0 °, and main shaft direction of rotation is set according to the resemblance of stirring tool revolves
Turn direction, use the rotating speed of 400 ~ 1500rpm to penetrate materials to be welded with the speed that penetrates of 3 ~ 5mm/min, compression distance 0 ~
0.1mm, is welded with the speed of welding of 50 ~ 600mm/min, and stirring tool is extracted after the completion of welding, and welding terminates.
A kind of 11. welding of the upset force self compensation stirring tool of aclinal agitating friction weldering according to claims 9
Method, it is characterised in that：When the mixing needle of stirring tool is dextrorotation, the direction of rotation of main shaft is arranged to counterclockwise, conversely, main
The direction of rotation of axis is clockwise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210728.7A CN108031967B (en) | 2017-11-28 | 2017-11-28 | Upsetting force self-compensation stirring tool for dip-free friction stir welding and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711210728.7A CN108031967B (en) | 2017-11-28 | 2017-11-28 | Upsetting force self-compensation stirring tool for dip-free friction stir welding and welding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108031967A true CN108031967A (en) | 2018-05-15 |
| CN108031967B CN108031967B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711210728.7A Active CN108031967B (en) | 2017-11-28 | 2017-11-28 | Upsetting force self-compensation stirring tool for dip-free friction stir welding and welding method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365991A (en) * | 2018-10-23 | 2019-02-22 | 上海航天设备制造总厂有限公司 | A kind of Friction Stir Welding devices and methods therefor realizing weld seam and thickening |
| CN109623127A (en) * | 2018-12-07 | 2019-04-16 | 南京理工大学 | Stirring-head and its welding procedure for the weldering of wide arc gap thin plate aluminum alloy agitating friction |
| CN109877443A (en) * | 2019-03-27 | 2019-06-14 | 榆林学院 | A kind of AZ31 magnesium alloy sheet aclinal friction stir welding method and stirring-head |
| CN110681980A (en) * | 2019-10-31 | 2020-01-14 | 湖南九方焊接技术有限公司 | Multi-layer forging and pressing type stirring head for friction stir welding |
| CN111482694A (en) * | 2019-01-25 | 2020-08-04 | 庄文茂 | Friction stir welding device and method |
| CN111531269A (en) * | 2020-06-09 | 2020-08-14 | 东北大学 | Groove-type static shaft shoulder stirring friction processing tool |
| CN111790979A (en) * | 2020-07-23 | 2020-10-20 | 敏实汽车技术研发有限公司 | Friction stir welding lap joint cutter |
| CN113302008A (en) * | 2018-11-15 | 2021-08-24 | 宾工程工厂公司 | Mechanical tool with rotary punch |
| CN113770504A (en) * | 2021-09-16 | 2021-12-10 | 国家高速列车青岛技术创新中心 | Double-body type cavity filling metal/FRP friction stir welding connection method |
| CN113996913A (en) * | 2021-11-09 | 2022-02-01 | 北京卫星制造厂有限公司 | Stirring head for dip-free friction stir welding |
| CN114734160A (en) * | 2022-05-11 | 2022-07-12 | 哈尔滨工业大学 | Composite connection process for sealing point bearing surface |
| CN116213916A (en) * | 2023-04-17 | 2023-06-06 | 哈尔滨工业大学（威海） | In-situ powder-added friction stir processing tool and processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109365991A (en) * | 2018-10-23 | 2019-02-22 | 上海航天设备制造总厂有限公司 | A kind of Friction Stir Welding devices and methods therefor realizing weld seam and thickening |
| CN113302008A (en) * | 2018-11-15 | 2021-08-24 | 宾工程工厂公司 | Mechanical tool with rotary punch |
| CN113302008B (en) * | 2018-11-15 | 2023-08-08 | 宾工程工厂公司 | Mechanical tool with rotary punch |
| CN109623127B (en) * | 2018-12-07 | 2022-03-29 | 南京理工大学 | Stirring head for friction stir welding of large-gap sheet aluminum alloy and welding process thereof |
| CN109623127A (en) * | 2018-12-07 | 2019-04-16 | 南京理工大学 | Stirring-head and its welding procedure for the weldering of wide arc gap thin plate aluminum alloy agitating friction |
| CN111482694A (en) * | 2019-01-25 | 2020-08-04 | 庄文茂 | Friction stir welding device and method |
| CN109877443A (en) * | 2019-03-27 | 2019-06-14 | 榆林学院 | A kind of AZ31 magnesium alloy sheet aclinal friction stir welding method and stirring-head |
| CN110681980A (en) * | 2019-10-31 | 2020-01-14 | 湖南九方焊接技术有限公司 | Multi-layer forging and pressing type stirring head for friction stir welding |
| CN111531269A (en) * | 2020-06-09 | 2020-08-14 | 东北大学 | Groove-type static shaft shoulder stirring friction processing tool |
| CN111790979A (en) * | 2020-07-23 | 2020-10-20 | 敏实汽车技术研发有限公司 | Friction stir welding lap joint cutter |
| CN113770504B (en) * | 2021-09-16 | 2022-10-14 | 国家高速列车青岛技术创新中心 | Double-body type cavity filling metal/FRP friction stir welding connection method |
| CN113770504A (en) * | 2021-09-16 | 2021-12-10 | 国家高速列车青岛技术创新中心 | Double-body type cavity filling metal/FRP friction stir welding connection method |
| CN113996913A (en) * | 2021-11-09 | 2022-02-01 | 北京卫星制造厂有限公司 | Stirring head for dip-free friction stir welding |
| CN114734160A (en) * | 2022-05-11 | 2022-07-12 | 哈尔滨工业大学 | Composite connection process for sealing point bearing surface |
| CN116213916A (en) * | 2023-04-17 | 2023-06-06 | 哈尔滨工业大学（威海） | In-situ powder-added friction stir processing tool and processing method |
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