CN104139240A - Withdrawable double-shaft-shoulder stirring head - Google Patents
Withdrawable double-shaft-shoulder stirring head Download PDFInfo
- Publication number
- CN104139240A CN104139240A CN201410369709.9A CN201410369709A CN104139240A CN 104139240 A CN104139240 A CN 104139240A CN 201410369709 A CN201410369709 A CN 201410369709A CN 104139240 A CN104139240 A CN 104139240A
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- CN
- China
- Prior art keywords
- stirring
- head
- shaft shoulder
- pumpback
- shoulder
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- 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.)
- Pending
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention discloses a withdrawable double-shaft-shoulder stirring head. The withdrawable double-shaft-shoulder stirring head comprises a stirring-head upper shaft shoulder, a stirring-head lower shaft shoulder and a withdrawing stirring pin, the stirring-head upper shaft shoulder is connected with a stirring head sleeve through bolts which perpendicularly penetrate through the stirring head sleeve and are fixed to the stirring-head upper shaft shoulder, a stirring pin sleeve is installed in the stirring head sleeve, the withdrawing stirring pin fixed through a bolt is installed in the stirring pin sleeve, the other end of the withdrawing stirring pin and the stirring-head lower shaft shoulder are connected into a whole through threads, a bolt penetrates through the stirring-head lower shaft shoulder and is fixed to the withdrawing stirring pin, the withdrawing stirring pin is in clearance fit with the stirring-head upper shaft shoulder, and the diameter of an opening in the tail end of the stirring-head upper shaft shoulder is larger than the diameter of the stirring-head lower shaft shoulder. According to the withdrawable double-shaft-shoulder stirring head, the distance between the stirring-head upper shaft shoulder and the stirring-head lower shaft shoulder is adjustable, and the problems that the withdrawing stirring pin is broken, the stirring-head lower shaft shoulder falls off and tool setting is difficult in a welding process are solved.
Description
Technical field
The present invention relates to agitating device, especially a kind of can pumpback formula twin shaft shoulder stirring-head.
Background technology
Friction stir welding is the patent of invention that Britain's institute of welding proposed in October, 1991.Agitating friction welding, as a kind of advanced person's solid phase interconnection technique, obtains a wide range of applications in fields such as shipbuilding, Aero-Space, track traffics.Twin shaft shoulder friction stir welding was connected upper and lower shaft shoulder clamping work pieces, and the lower shaft shoulder has replaced the pallet device of conventional friction stir welding.The upset force that this shaft shoulder version makes the upper and lower shaft shoulder oppositely equates, whole workpiece is zero in vertical plate direction suffered making a concerted effort, and has improved the heat input at weld seam back, can prevent and reduce weld seam back defect.
The upper and lower shaft shoulder spacing of conventional twin shaft shoulder stirring-head is non-adjustable, and welding process is prone to the problems such as seriously " overlap ", mixing needle fracture, the lower shaft shoulder come off, " tool setting " difficulty.A reliable stirring-head rational in infrastructure, can guarantee the quality of weld seam, effectively avoids weld defect.
Summary of the invention
The object of the present invention is to provide a kind of agitating friction welding with takeing on stirring-head by pumpback formula twin shaft, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of can pumpback formula twin shaft shoulder stirring-head, comprise the shaft shoulder on stirring-head, the shaft shoulder and pumpback mixing needle under stirring-head, on stirring-head, on the shaft shoulder, be bolted stirring headgear, and bolt is vertically fixed on stirring-head on the shaft shoulder through stirring headgear, stir in headgear and be provided with stirring needle guard, stir in needle guard and be provided with the pumpback mixing needle being bolted, under the pumpback mixing needle other end and stirring-head, the shaft shoulder is threaded connection and is integrated, and bolt is vertically fixed on pumpback mixing needle through the shaft shoulder under stirring-head, pumpback mixing needle coordinates with pivot clearance on stirring-head, on stirring-head, the opening diameter of shaft shoulder end is greater than shaft shoulder diameter under stirring-head.
As the further scheme of the present invention: pumpback mixing needle cross section is three to cut groove, outer round surface design thread groove.
Compared with prior art, the invention has the beneficial effects as follows: on stirring-head, under the shaft shoulder and stirring-head, shaft shoulder spacing is adjustable, adapt to different thicknesss of slab, effectively reduce welding " overlap "; Can effectively avoid pumpback mixing needle breakage problem; Having solved the shaft shoulder under stirring-head comes off or twists dead problem; Convenient " tool setting ", can realize the constant pressure of welding process and control.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present invention.
Fig. 2 is stirring-head profile.
Fig. 3 is shaft shoulder schematic diagram on stirring-head.
Fig. 4 is shaft shoulder schematic diagram under stirring-head.
Fig. 5 is pumpback mixing needle schematic diagram.
Fig. 6 is pumpback mixing needle profile.
Fig. 7 is vertically " tool setting " schematic diagram of stirring-head.
In figure: 1-stirs headgear; 2-stirs needle guard; The shaft shoulder on 3-stirring-head; The shaft shoulder under 4-stirring-head; 5-pumpback mixing needle; 6-bolt; 7-aluminium sheet.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1～2, a kind of can pumpback formula twin shaft shoulder stirring-head, comprise the shaft shoulder 3 on stirring-head, the shaft shoulder 4 and pumpback mixing needle 5 under stirring-head, on stirring-head, on the shaft shoulder 3, by bolt 6, be connected with and stir headgear 1, and bolt is vertically fixed on stirring-head on the shaft shoulder 3 through stirring headgear 1, prevent from coming off or twist dead, stir in headgear 1 and be provided with and stir needle guard 2, stir in needle guard 2 and be provided with by the fixing pumpback mixing needle 5 of bolt 6, under pumpback mixing needle 5 other ends and stirring-head, the shaft shoulder 4 is threaded connection and is integrated, and bolt 6 is vertical to be fixed on pumpback mixing needle 5 through the shaft shoulder 4 under stirring-head, prevent from coming off or twist dead, the shaft shoulder 3 matched in clearance on pumpback mixing needle 5 and stirring-head, can realize pumpback campaign, on stirring-head, the opening diameter of the shaft shoulder 3 ends is greater than the shaft shoulder 4 diameters under stirring-head.
Refer to Fig. 3～6, the shaft shoulder 3 indent 7 ゜ on stirring-head, are connected with stirring headgear 1 by bolt 6, and under stirring-head, the shaft shoulder 4 is made of one with pre-load nut, strengthen connecting, prevent from coming off, under stirring-head, the shaft shoulder 4 surfaces are provided with helicla flute, are conducive to material in welding and collect to center, pumpback mixing needle 5 Cross section Design are three dissected valley grooves, can play effective stirring action to material, simultaneously at pumpback mixing needle 5 surface design thread grooves, be conducive to plastic material and flow in thickness of slab direction.
Refer to Fig. 7, before welding, first carry out " tool setting ", utilize pumpback mixing needle 5 end cone points, carry out " tool setting " on weld seam center position, utilize on stirring-head under the shaft shoulder 3 and stirring-head the shaft shoulder 4 diameters inconsistent, by utilizing on stirring-head the shaft shoulder 3 to push down sheet material upper surface, carry out vertical direction " tool setting ", according to the needs of thickness of slab and volume under pressure, 4 pumpbacks of the shaft shoulder under stirring-head are arrived to assigned address, start to weld, in welding process, forging force size on the vertical direction that digital control system can be subject to according to the shaft shoulder under stirring-head 4, control the motion of pumpback axle, the spacing of the shaft shoulder 4 under the shaft shoulder 3 and stirring-head on real-time adjustment stirring-head, realizing the constant pressure of welding process controls.
On stirring-head of the present invention, under the shaft shoulder 3 and stirring-head, the spacing of the shaft shoulder 4 is adjustable, can avoid in welding process the problems such as the shaft shoulder 4 under 5 fractures of pumpback mixing needle, stirring-head comes off, " tool setting " difficulty.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, is therefore intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limiting related claim.
Claims (2)
1. can take on stirring-head by pumpback formula twin shaft for one kind, comprise the shaft shoulder on stirring-head (3), the shaft shoulder under stirring-head (4) and pumpback mixing needle (5), it is characterized in that, the shaft shoulder on stirring-head (3) is upper to be connected with and to be stirred headgear (1) by bolt (6), and bolt (6) is vertically fixed on and mixes on a upper shaft shoulder (3) through stirring headgear (1), stir in headgear (1) and be provided with and stir needle guard (2), stir in needle guard (2) and be provided with by the fixing pumpback mixing needle (5) of bolt (6), under pumpback mixing needle (5) other end and stirring-head, the shaft shoulder (4) is threaded connection and is integrated, and bolt (6) is vertically fixed on pumpback mixing needle (5) through the shaft shoulder (4) under stirring-head, the shaft shoulder (3) matched in clearance on pumpback mixing needle (5) and stirring-head, the opening diameter of the shaft shoulder on stirring-head (3) end is greater than the shaft shoulder under stirring-head (4) diameter.
According to claim 1 a kind of can pumpback formula twin shaft shoulder stirring-head, it is characterized in that, pumpback mixing needle (5) cross section is three to cut groove, the outer round surface of pumpback mixing needle (5) is provided with thread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410369709.9A CN104139240A (en) | 2014-07-31 | 2014-07-31 | Withdrawable double-shaft-shoulder stirring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410369709.9A CN104139240A (en) | 2014-07-31 | 2014-07-31 | Withdrawable double-shaft-shoulder stirring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104139240A true CN104139240A (en) | 2014-11-12 |
Family
ID=51848670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410369709.9A Pending CN104139240A (en) | 2014-07-31 | 2014-07-31 | Withdrawable double-shaft-shoulder stirring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104139240A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475965A (en) * | 2014-11-24 | 2015-04-01 | 上海拓璞数控科技有限公司 | Stirring, rubbing and welding device |
| CN106001899A (en) * | 2016-06-20 | 2016-10-12 | 江苏科技大学 | Friction stir welding tool with multi-parameter feedback |
| CN106001898A (en) * | 2016-06-20 | 2016-10-12 | 南京索菲智能装备有限公司 | Friction stir welding tool with multi-parameter feedback |
| CN106077940A (en) * | 2016-06-20 | 2016-11-09 | 江苏科技大学 | Agitating friction soldering set based on laser ranging and gesture feedback and tilt adjustment method |
| CN107855639A (en) * | 2017-11-02 | 2018-03-30 | 湖北三江航天万峰科技发展有限公司 | The method for eliminating keyhole-free friction stir spot welding ring groove |
| CN111730194A (en) * | 2020-06-24 | 2020-10-02 | 哈尔滨工业大学（威海） | Friction stir welding method and device for medium-thickness magnesium alloy plate |
| CN112548311A (en) * | 2020-11-30 | 2021-03-26 | 上海航天设备制造总厂有限公司 | Tool for disassembling and stirring upper shaft shoulder and lower shaft shoulder after double-shaft-shoulder friction stir welding and using method |
| CN114289853A (en) * | 2021-11-30 | 2022-04-08 | 广州瑞松威尔斯通智能装备有限公司 | Combined static shaft shoulder friction stir welding tool |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100140312A1 (en) * | 2008-12-04 | 2010-06-10 | Industrial Technology Research Institute | System For Alignment Measurement For Rolling Embossed Double-Sided Optical Film And Method Thereof |
| CN102528275A (en) * | 2012-02-27 | 2012-07-04 | 江苏科技大学 | Method and device for automatically adjusting load torque in coaxial double-shoulder stirring friction welding |
| CN102848072A (en) * | 2012-09-17 | 2013-01-02 | 江苏科技大学 | Double-shaft-shoulder stirring friction head comprising lower shaft shoulder at adjustable position |
-
2014
- 2014-07-31 CN CN201410369709.9A patent/CN104139240A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100140312A1 (en) * | 2008-12-04 | 2010-06-10 | Industrial Technology Research Institute | System For Alignment Measurement For Rolling Embossed Double-Sided Optical Film And Method Thereof |
| CN102528275A (en) * | 2012-02-27 | 2012-07-04 | 江苏科技大学 | Method and device for automatically adjusting load torque in coaxial double-shoulder stirring friction welding |
| CN102848072A (en) * | 2012-09-17 | 2013-01-02 | 江苏科技大学 | Double-shaft-shoulder stirring friction head comprising lower shaft shoulder at adjustable position |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475965A (en) * | 2014-11-24 | 2015-04-01 | 上海拓璞数控科技有限公司 | Stirring, rubbing and welding device |
| CN106001899A (en) * | 2016-06-20 | 2016-10-12 | 江苏科技大学 | Friction stir welding tool with multi-parameter feedback |
| CN106001898A (en) * | 2016-06-20 | 2016-10-12 | 南京索菲智能装备有限公司 | Friction stir welding tool with multi-parameter feedback |
| CN106077940A (en) * | 2016-06-20 | 2016-11-09 | 江苏科技大学 | Agitating friction soldering set based on laser ranging and gesture feedback and tilt adjustment method |
| CN106077940B (en) * | 2016-06-20 | 2018-02-23 | 江苏科技大学 | Agitating friction soldering set and tilt adjustment method based on laser ranging and gesture feedback |
| CN106001899B (en) * | 2016-06-20 | 2018-08-31 | 江苏科技大学 | A kind of agitating friction soldering set of multi-parameter feedback |
| CN106001898B (en) * | 2016-06-20 | 2018-09-04 | 南京索菲智能装备有限公司 | The agitating friction soldering set of multi-parameter feedback |
| CN107855639A (en) * | 2017-11-02 | 2018-03-30 | 湖北三江航天万峰科技发展有限公司 | The method for eliminating keyhole-free friction stir spot welding ring groove |
| CN111730194A (en) * | 2020-06-24 | 2020-10-02 | 哈尔滨工业大学（威海） | Friction stir welding method and device for medium-thickness magnesium alloy plate |
| CN111730194B (en) * | 2020-06-24 | 2022-02-08 | 哈尔滨工业大学（威海） | Friction stir welding method and device for medium-thickness magnesium alloy plate |
| CN112548311A (en) * | 2020-11-30 | 2021-03-26 | 上海航天设备制造总厂有限公司 | Tool for disassembling and stirring upper shaft shoulder and lower shaft shoulder after double-shaft-shoulder friction stir welding and using method |
| CN114289853A (en) * | 2021-11-30 | 2022-04-08 | 广州瑞松威尔斯通智能装备有限公司 | Combined static shaft shoulder friction stir welding tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141112 |
|
| RJ01 | Rejection of invention patent application after publication |