CN206854839U - A kind of novel static shaft shoulder friction stir welding tool - Google Patents
A kind of novel static shaft shoulder friction stir welding tool Download PDFInfo
- Publication number
- CN206854839U CN206854839U CN201720565059.4U CN201720565059U CN206854839U CN 206854839 U CN206854839 U CN 206854839U CN 201720565059 U CN201720565059 U CN 201720565059U CN 206854839 U CN206854839 U CN 206854839U
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- Prior art keywords
- dead axle
- stirring
- shaft shoulder
- head
- shoulder
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Abstract
A kind of novel static shaft shoulder friction stir welding tool, including stirring-head, double-row conical bearing and dead axle shoulder set, the inner ring of the double-row conical bearing is socketed on stirring-head and is interference fitted with stirring-head and connected, its outer ring is placed in dead axle shoulder set and covers interference fit connection with dead axle shoulder, the lower end of the stirring-head is provided with mixing needle, the upper end of the mixing needle is provided with the shaft shoulder, the mixing needle passes through the central through hole of dead axle shoulder set and the shaft shoulder is protruded from the lower surface certain distance that dead axle shoulder covers, the stirring-head is connected by grip shank thereon with the power set of welding equipment and rotation and movement under the drive of the power set of welding equipment, the mixing needle penetrates welded piece during welding, until the lower surface of dead axle shoulder set is in close contact with welded piece.The utility model can effectively eliminate agitating friction welding overlap, reduce weld seam and be thinned, and obtain the smooth high quality joint of face of weld.
Description
Technical field
The utility model belongs to welding technology field, is specifically related to a kind of novel static shaft shoulder friction stir welding tool.
Background technology
Agitating friction weldering (FSW) is a kind of new solid phase joining technique, is 1991 by Britain institute of welding (The
Welding Institute, TWI) utility model (US5460317), the principle of the technology is the stirring using rotation at a high speed
In head insertion weld seam, using the strong friction and stirring action of stirring-head, solder design area is in hot plastic state, stirring
It is joined together under head stirring and squeezing action, stirring-head is advanced forward, and then forms weld seam at the rear of stirring-head, so as to
Complete solid diffusivity.
Core of the stirring-head as agitating friction welding technique, institute in stir friction welding process is provided by rubbing
The heat needed, it is the carrier that welded seam area thermoplastic realizes orientation transfer.As a kind of solid phase joining technique, due to stirring
The rotation of head, squeezing action cause plastic metal material in welding process to overflow outside weld metal zone, form distinctive " overlap " phenomenon,
Weld seam is caused to be slightly below mother metal, so as to influence joint performance and face of weld quality.At present, the conventional process for going deburring is weldering
Mechanical grinding afterwards, but waste time and energy, production efficiency is reduced, and easily damage welded piece surface quality.
Stirring-head is the key technology for realizing agitating friction weldering, and domestic and international related research institutes are set in the shape of stirring-head
Meter, material selection and processing technology etc. have all carried out substantial amounts of research.At present, the mode for eliminating overlap mainly has two kinds.
First, change the end face plane of the stirring-head shaft shoulder, if end face is plane（Referring to international patent application W093110935), concave shaped
Or the structure such as helix（Referring to Chinese patent application CN1144499A）In；Second, a device or knot are separately processed on stirring-head
Structure, such as add cutting head（Referring to Chinese patent application CN101176945）Or shaft shoulder outer rim is processed into cutting slot（Referring to Chinese special
Profit application CN201310046184）.But both modes can not all eliminate overlap well, mode one can reduce overlap amount,
But can not thoroughly eliminate overlap, mode two because overlap temperature is higher adhere on stirring-head caused by face of weld it is second-rate.
The content of the invention
The purpose of this utility model is to be thinned and overlap for weld seam present in existing stir friction welding process
Problem, there is provided a kind of structure is reliable, operation is easy, using effect is good, can conveniently realize that weld seam is new with non-trimming without being thinned
Type dead axle shoulder friction stir welding tool.
What the technical solution of the utility model was realized in：
Novel static shaft shoulder friction stir welding tool described in the utility model, is characterized in：Justify including stirring-head, biserial
Taper roller bearing and dead axle shoulder set, the inner ring of the double-row conical bearing are socketed on stirring-head and matched somebody with somebody with stirring-head interference
Connection is closed, its outer ring is placed in dead axle shoulder set and covers interference fit connection with dead axle shoulder, and the lower end of the stirring-head is provided with stirring
Pin, the upper end of the mixing needle are provided with the shaft shoulder, the mixing needle through dead axle shoulder set central through hole and to protrude from the shaft shoulder quiet
The lower surface certain distance of shaft shoulder set, the stirring-head are connected simultaneously by grip shank thereon with the power set of welding equipment
Rotated under the drive of the power set of welding equipment and mobile, the mixing needle penetrates welded piece during welding, until dead axle
The lower surface of shoulder set is in close contact with welded piece.
In welding process, for the ease of the material of discharge spilling, it is provided with and leads between stirring-head and dead axle the shoulder set
Flow structure.Moreover, the flow-guiding structure includes being arranged on stirring-head and is located at the baffle of shaft shoulder upper end, is arranged on dead axle shoulder
It is used to the guiding gutter that is used cooperatively with baffle in the central through hole of set and is arranged on dead axle shoulder putting and with guiding gutter be connected
Pod apertures.Wherein, the baffle is concentric annular groove, thread groove or helix groove.
In order to further improve welding effect, the shaft shoulder protrude from the distance of the lower surface of dead axle shoulder set for 0.1~
0.8mm。
In order to ensure using reliably, being reserved between the internal diameter of the central through hole of external diameter and dead axle the shoulder set of the shaft shoulder
0.05~0.5mm gap.
In order to ensure that the lower surface of dead axle shoulder set is brought into close contact with workpiece surface, the lower surface of the dead axle shoulder set is processed into
Smooth transition surface with chamfering.
In order to ensure the lower surface of dead axle shoulder set and the shape of joint to be welded are adapted, to improve both compactness, institute
The lower surface for stating dead axle shoulder set is arranged to planar structure, not uniform thickness structure, forge piece of step type structure or irregular structure.
In order to further improve service life of the present utility model, the dead axle shoulder, which is put, to be provided with radiating and safeguards hole slot.
In order that the connection and use of double-row conical bearing are reliable, connecting pole and positioning are provided with the stirring-head
Step, the double-row conical bearing are socketed on the connecting pole and realized by positioning step and positioned.
The utility model compared with prior art, has advantages below：
First, it is possible to prevente effectively from the generation of overlap, the smooth weldering in acquisition high quality, surface in stir friction welding process
Seam；
2nd, the squeezing action that can be achieved to plastifying material is covered by dead axle shoulder, unnecessary overlap material is squeezed into weld seam, keep away
Exempted from weld seam because of volume under pressure and caused by be thinned, the comprehensive mechanical property of joint can be improved；
3rd, the utility model proposes soldering appliance be combining structure, can conveniently dismantle or change easily loss part
（Such as：Stirring-head, bearing and dead axle shoulder set）；
4th, the soldering appliance proposed using the utility model, welding process non-trimming and surface is smooth are substantially increased
Production efficiency；
5th, welding process can realize that aclinal is welded, and can substantially simplify welding equipment main axle structure.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model.
Fig. 2 is decomposition texture schematic diagram of the present utility model.
Fig. 3 is the structural representation of stirring-head described in the utility model.
Fig. 4 splits structural representation for dead axle shoulder described in the utility model set.
Fig. 5 is that dead axle shoulder described in the utility model covers end face slab docking structure schematic diagram.
Fig. 6 is that dead axle shoulder described in the utility model covers end face not uniform thickness docking structure schematic diagram.
Fig. 7 is that dead axle shoulder described in the utility model covers end face ladder docking structure schematic diagram.
Embodiment
As shown in Fig. 1-Fig. 7, novel static shaft shoulder friction stir welding tool described in the utility model, including stirring-head 1,
Double-row conical bearing 2 and dead axle shoulder set 3.Wherein, stirring-head 1 includes successively from lower to upper：Mixing needle 11, the shaft shoulder 12, lead
Fluid 13, connecting pole 14, positioning step 15 and grip shank 16, and each section for forming stirring-head 1 can process integrally,
It can be processed into and split type be linked together again using screw thread or other means.Meanwhile it is provided with grip shank 16 and is easy to it
The clamping face 17 being installed on the power set of welding equipment.Also, the inner ring of double-row conical bearing 2 is to be socketed in stirring
It is interference fitted on first 1 connecting pole 14 and with connecting pole 14 and connects, while double-row conical bearing 2 is by positioning step 15
Realize and fix.Baffle 13 can be streamline structure body or concentric ring structure body.Specifically, baffle 13 is same
Thimble groove, thread groove or helix groove.
The outer ring of double-row conical bearing 2 is then placed in dead axle shoulder set 3 and connected with the interference fit of dead axle shoulder set 3.
Dead axle shoulder set 3 is formed by connecting by a big sleeve and a small sleeve, and big sleeve can be integrally formed or divide with small sleeve
Fitted together again by connector or attachment structure after body processing.Wherein, big sleeve is socketed in double-row conical bearing 2
On outer ring, and mixing needle 11 is to be penetrated under the drive of stirring-head 1 by big sleeve, and the central through hole 31 opened up along small sleeve
Pass, until the distance for the lower surface 32 that the shaft shoulder 12 on stirring-head 1 protrudes from small sleeve is 0.1~0.8mm, the value is press-in
Amount.Moreover, 0.05~0.5mm gap is reserved between the external diameter of the shaft shoulder 12 and the internal diameter of central through hole 31.Meanwhile in small set
The guiding gutter 33 for being used cooperatively with baffle 13 is offered on the hole wall of the central through hole 31 of cylinder, the guiding gutter 33 is annular
Groove.The pod apertures 34 being connected with guiding gutter 33, in the present embodiment, pod apertures 34 are then offered in the side wall of small sleeve
At least three are equipped with equal intervals, and pod apertures 34 can be circular hole, or slot.By baffle 13, lead
Chute 33 and pod apertures 34 form flow-guiding structure, so that the material overflowed in welding process is easy to discharge, it is ensured that welding effect.
In order to further improve service life of the present utility model, multiple dissipate equally spaced is equipped with the big sleeve of dead axle shoulder set 3
Heat safeguards hole slot 35.
In order that the lower surface 32 of dead axle shoulder set 3 is bonded closely with the surface of welded piece, and strong adaptability, dead axle shoulder set
It is processed into the smooth transition surface with chamfering in 3 lower surface 32.Moreover, the shape and size of the lower surface 32 of dead axle shoulder set 3 can
Relative set is carried out according to the shape at the place to be welded of welded piece and size, to realize the welding of irregular joint.Such as：Will be quiet
The lower surface 32 of shaft shoulder set 3 is arranged to planar structure（As shown in Figure 4）, not uniform thickness structure（As shown in Figure 5）, forge piece of step type structure
（As shown in Figure 6）Or irregular structure.During welding, soldering appliance be able to can also be kept certain perpendicular to the surface of welded piece
Welding inclination angle, welding inclination angle may range from 1.5~5o, according to the inclination angle number of degrees accordingly adjust dead axle shoulder set 3 lower surface 32
Plane Angle is seamlessly transitted, to ensure that the lower surface 32 of dead axle shoulder set 3 and the surface of welded piece are brought into close contact.
Soldering appliance described in the utility model, be connected by grip shank 16 with the power set of welding equipment and
Rotating at a high speed under the drive of the power set of welding equipment and moved along welding position, i.e., the axial line of soldering appliance is rotating shaft,
While soldering appliance is around its rotating shaft high speed rotation, is put and move by welding position along it, mixing needle 11 penetrates welded piece to the shaft shoulder 12
Embedded workpiece is 0.1~0.8mm, i.e. the lower surface 32 of dead axle shoulder set 3 is close to the surface of welded piece, so as to welded piece
Region to be welded apply pressure, this makes it possible to by friction and severe plastic deformation heat production the material in region to be welded is reached modeling
Change state.
Welded by soldering appliance described in the utility model, it is comprised the following steps that：
Step 1, soldering appliance is connected on the power set of welding equipment by its grip shank 16；
Step 2, welded piece is fixed on frock clamp, and the mixing needle 11 of stirring-head 1 is placed in by welder
The commissure of part；
Step 3, starting welding equipment and rotate, soldering appliance rotates at a high speed under the drive of the power set of welding equipment,
The mixing needle 11 of stirring-head 1, which penetrates, to be put by welding position until the shaft shoulder 12 is embedded in workpiece, according to the thickness to be welded of welded piece, the shaft shoulder 12
Insert depth is 0.1~0.8mm, and is penetrated until the lower surface 32 of dead axle shoulder set 3 is close to the surface of workpiece；
Step 4, soldering appliance treat that welding line moves in edge while being rotated at a high speed under the power set of welding equipment drive
It is dynamic, make the mixing needle 11 of stirring-head 1 and friction generates heat the place to be welded of the shaft shoulder 12 and welded piece, so that the material at place to be welded
Material reaches plastifying state, and the material after plasticizing covers the squeezing action of 3 lower surface 32 in the shaft shoulder 12 and dead axle shoulder of stirring-head 1
It is lower to realize fusion, finally realize the solid diffusivity at welded piece place to be welded.
The utility model is described by embodiment, but the utility model is not construed as limiting, with reference to this practicality
New description, other changes of the disclosed embodiments, is such as readily apparent that for the professional person of this area, such
Change should belong within the scope of the utility model claims restriction.
Claims (10)
- A kind of 1. novel static shaft shoulder friction stir welding tool, it is characterised in that：Including stirring-head（1）, double-row conical axle Hold（2）With dead axle shoulder set（3）, the double-row conical bearing（2）Inner ring be socketed in stirring-head（1）Upper and and stirring-head （1）Interference fit connection, its outer ring is placed in dead axle shoulder set（3）It is interior and with dead axle shoulder set（3）Interference fit connection, the stirring-head （1）Lower end be provided with mixing needle（11）, the mixing needle（11）Upper end be provided with the shaft shoulder（12）, the mixing needle（11）Through quiet Shaft shoulder set（3）Central through hole（31）And make the shaft shoulder（12）Protrude from dead axle shoulder set（3）Lower surface（32）Certain distance, it is described Stirring-head（1）Pass through grip shank thereon（16）It is connected with the power set of welding equipment and in the power set of welding equipment Drive under rotation and mobile, mixing needle during welding（11）Welded piece is penetrated, until dead axle shoulder set（3）Lower surface （32）It is in close contact with welded piece.
- 2. novel static shaft shoulder friction stir welding tool according to claim 1, it is characterised in that：The stirring-head（1） With dead axle shoulder set（3）Between be provided with flow-guiding structure.
- 3. novel static shaft shoulder friction stir welding tool according to claim 2, it is characterised in that：The flow-guiding structure bag Include and be arranged on stirring-head（1）Go up and be located at the shaft shoulder（12）The baffle of upper end（13）, be arranged on dead axle shoulder set（3）Central through hole （31）Inside it is used for and baffle（13）The guiding gutter being used cooperatively（33）And it is arranged on dead axle shoulder set（3）Upper and and guiding gutter（33） The pod apertures being connected（34）.
- 4. novel static shaft shoulder friction stir welding tool according to claim 3, it is characterised in that：The baffle（13） For concentric annular groove, thread groove or helix groove.
- 5. novel static shaft shoulder friction stir welding tool according to claim 1, it is characterised in that：The shaft shoulder（12）It is convex For dead axle shoulder set（3）Lower surface（32）Distance be 0.1~0.8mm.
- 6. novel static shaft shoulder friction stir welding tool according to claim 1, it is characterised in that：The shaft shoulder（12）'s External diameter and dead axle shoulder set（3）Central through hole（31）Internal diameter between be reserved with 0.05~0.5mm gap.
- 7. novel static shaft shoulder friction stir welding tool according to claim 1, it is characterised in that：The dead axle shoulder set （3）Lower surface（32）It is processed into the smooth transition surface with chamfering.
- 8. novel static shaft shoulder friction stir welding tool according to claim 1, it is characterised in that：The dead axle shoulder set （3）Lower surface（32）It is arranged to planar structure, not uniform thickness structure, forge piece of step type structure or irregular structure.
- 9. novel static shaft shoulder friction stir welding tool according to claim 1, it is characterised in that：The dead axle shoulder set （3）On be provided with radiating and safeguard hole slot（35）.
- 10. novel static shaft shoulder friction stir welding tool according to claim 1, it is characterised in that：The stirring-head（1） On be provided with connecting pole（14）And positioning step（15）, the double-row conical bearing（2）It is socketed in the connecting pole（14）On And pass through positioning step（15）Realize positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720565059.4U CN206854839U (en) | 2017-05-20 | 2017-05-20 | A kind of novel static shaft shoulder friction stir welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720565059.4U CN206854839U (en) | 2017-05-20 | 2017-05-20 | A kind of novel static shaft shoulder friction stir welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206854839U true CN206854839U (en) | 2018-01-09 |
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ID=60824588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720565059.4U Expired - Fee Related CN206854839U (en) | 2017-05-20 | 2017-05-20 | A kind of novel static shaft shoulder friction stir welding tool |
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| CN (1) | CN206854839U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030371A (en) * | 2017-05-20 | 2017-08-11 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of novel static shaft shoulder friction stir welding tool |
| CN108788445A (en) * | 2018-08-09 | 2018-11-13 | 湖南文理学院 | A kind of static shaft shoulder agitating friction soldering equipment |
| CN109590625A (en) * | 2019-01-16 | 2019-04-09 | 福州大学 | A kind of electric arc increases the composite manufacturing method of material forming and mixing yoghurt |
| CN110814509A (en) * | 2019-11-11 | 2020-02-21 | 航天工程装备（苏州）有限公司 | Flanging-free and thinning shaft shoulder-free friction stir welding tool and method |
| WO2024055561A1 (en) * | 2022-09-15 | 2024-03-21 | 东南大学 | Friction stir welding apparatus and method |
-
2017
- 2017-05-20 CN CN201720565059.4U patent/CN206854839U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030371A (en) * | 2017-05-20 | 2017-08-11 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of novel static shaft shoulder friction stir welding tool |
| CN108788445A (en) * | 2018-08-09 | 2018-11-13 | 湖南文理学院 | A kind of static shaft shoulder agitating friction soldering equipment |
| CN109590625A (en) * | 2019-01-16 | 2019-04-09 | 福州大学 | A kind of electric arc increases the composite manufacturing method of material forming and mixing yoghurt |
| CN110814509A (en) * | 2019-11-11 | 2020-02-21 | 航天工程装备（苏州）有限公司 | Flanging-free and thinning shaft shoulder-free friction stir welding tool and method |
| CN110814509B (en) * | 2019-11-11 | 2023-10-20 | 航天工程装备（苏州）有限公司 | Non-flange and thinned non-shoulder friction stir welding tool and method |
| WO2024055561A1 (en) * | 2022-09-15 | 2024-03-21 | 东南大学 | Friction stir welding apparatus and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Biao Inventor after: Zhu Xuefei Inventor after: Shi Huajin Inventor after: Li Jizhong Inventor after: Ren Xianghui Inventor after: Tan Jinhong Inventor after: Dong Chunlin Inventor after: Li Jidong Inventor before: Li Jizhong Inventor before: Ren Xianghui Inventor before: Tan Jinhong Inventor before: Dong Chunlin Inventor before: Li Jidong |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180614 Address after: 101117 east fruit garden, Tongzhou District, Tongzhou District, Beijing, 13 floor 1307 Patentee after: FIRST WAY TECHNOLOGY DEVELOPMENT (BEIJING) Co.,Ltd. Address before: 510651 Changxin Road, Tianhe District, Guangzhou, Guangdong Province, No. 363 Patentee before: Guangdong Welding Institute (China-Ukraine E.O. Paton Institute of Welding) |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200512 Address after: 201616 C-16, floor 1, building 2, No. 88, Qin'an street, Xiaokunshan Town, Songjiang District, Shanghai Patentee after: Foxway welding technology (Shanghai) Co.,Ltd. Address before: 101117 13, 1307, East orchard garden, Tongzhou District, Beijing, 1307. Patentee before: FIRST WAY TECHNOLOGY DEVELOPMENT (BEIJING) Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |