CN105108312A - Desk-type stirring friction point welding machine - Google Patents
Desk-type stirring friction point welding machine Download PDFInfo
- Publication number
- CN105108312A CN105108312A CN201510573749.XA CN201510573749A CN105108312A CN 105108312 A CN105108312 A CN 105108312A CN 201510573749 A CN201510573749 A CN 201510573749A CN 105108312 A CN105108312 A CN 105108312A
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- Prior art keywords
- shaft shoulder
- stirring
- desk
- groove
- head body
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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
- 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
- B23K20/1265—Non-butt welded joints, e.g. overlap-joints, T-joints or spot welds
-
- 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 discloses a desk-type stirring friction point welding machine. The machine comprises a stirring head body, a stirring pin disposed at a bottom part of the stirring head body, and an inner shaft shoulder and an outer shaft shoulder which are arranged on the stirring head body in turn, a plurality of grooves formed in an axial direction of the stirring head body are arranged in a spaced manner on an outer surface of the stirring head body, each groove is internally provided with a sealed-type hollow heat conduction pipe, a vacuum inner cavity of the hollow heat conduction pipe is filled with an absorption-type heat transfer medium, support members for fixing the hollow heat conduction pipe are arranged between an outer pipe wall of the hollow heat conduction pipe and a groove wall of the groove, and heat dissipation cavities allowing air circulation are formed, an outer surface of the outer shaft shoulder is sleeved by a support plate, a plurality of air nozzles which are arranged around a lower end face of the outer shaft shoulder and point to a welding zone are disposed on the bottom face of the support plate, and a protection gas is input into the air nozzles through air inlet pipes. The desk-type stirring friction point welding machine is compact in structure, convenient to assemble and disassemble, safe and reliable, and rapid and efficient temperature reduction of the stirring head is realized, thereby ensuring stable using strength of the stirring head and prolonging the service life of the stirring head; and a gas protection function is also provided, thereby realizing high-quality welding.
Description
Technical field
The present invention relates to a kind of welding equipment, particularly relate to a kind of desk-top stirring friction spot welding device, belong to welding technology field.
Background technology
The contemporary metal solid-phase thermal press welding method of friction welding (FW) to be a kind of with frictional heat be thermal source, namely makes versus high motion the faying face of two kinds of weldments, makes contact portion reach mecystasis by means of frictional heat, more a kind of process linked into an integrated entity through pressurization.It is one and contains the extremely interactional complex process of heat, power, metallurgy, mass transfer.Friction welding method is high with its stable technical process, welding quality, solderability, production efficiency are high, with low cost widely, and is widely used in the branch of industry such as the high-tech sectors such as Aeronautics and Astronautics, nuclear energy, ocean development and electric power, machine-building, oil drilling, automobile making.
Friction welding (FW) is mainly classified according to the relative motion form of workpiece and process characteristic, can be divided into by workpiece relative motion form: Continuous Drive Friction Welding, flywheel friction welding, friction stir welding, phase friction welding, radial direction friction welding, linear friction welding, track friction welding (FW) and embed friction welding (FW) etc.Wherein, friction stir welding welding process is not without splashing, smoke dust, pore-free, without slag inclusion, need packing material, and energy consumption is low, environmentally safe, is a kind of desirable green interconnection technique.
In spot-welded process, stirring-head forms tack-weld thus the connection realized between upper and lower plates in fixed position; This process mainly comprises three phases, and namely stirring-head process of press in, connection procedure and stirring-head withdraw process.
But at present, mainly concentrate in aluminium alloy in the research of friction stir spot welding, comprise the impact of welding condition (stirring-head speed, the time of staying and compression distance etc.) and configuration of pin (comprising mixing needle, shaft shoulder physical dimension and shape etc.) butt joint microstructure and mechanical property, seldom relate to the High-temperature cooling problem of device.
Especially when welding refractory metal, downforce and the rotating speed of stirring-head is increased in order to increase heat input and welding efficiency, stirring-head temperature can be made to increase rapidly, make stirring-head high temperature and intensity reduces, not only aggravate the wearing and tearing of stirring-head, the mixing needle of stirring-head can be caused time serious to rupture, and make welding quality degradation, and affect the service life of stirring-head.
Summary of the invention
Main purpose of the present invention is, overcomes deficiency of the prior art, provides a kind of desk-top stirring friction spot welding device of new structure, is specially adapted to weld refractory metal.
Technical problem to be solved by this invention is to provide easy, safe and reliable, the practical desk-top stirring friction spot welding device of compact conformation, easy accessibility, making, not only realize the rapidly and efficiently cooling of stirring-head, guarantee that the working strength of stirring-head is stablized, extend the service life of stirring-head; And adopt embedded cooling, do not increase cooling volume, keep neat appearance; Meanwhile, provide gas protecting function, improve the scope of application and welding quality, have the value in industry.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of desk-top stirring friction spot welding device, comprises the stirring-head body be arranged on friction-welding machine, is positioned at the mixing needle of stirring-head body bottom portion, be set in turn in the interior shaft shoulder of stirring-head body and the outer shaft shoulder.
Wherein, the outer surface of described stirring-head body is arranged at intervals with the groove slotted in several axial length directions along stirring-head body; Be provided with enclosed hollow heat pipe in described groove, in the vacuum lumen of described hollow heat pipe, be filled with absorption heat transfer medium; Be provided with the support member of fixing hollow heat pipe between the outer tube wall of described hollow heat pipe and the cell wall of groove, and make between the outer tube wall of hollow heat pipe and the cell wall of groove, to form the heat dissipation cavity for air circulation; The axial length size that the axial length size of the described interior shaft shoulder and the outer shaft shoulder is all less than groove makes the top of heat dissipation cavity keep air through with extraneous.
And the outer surface of the described outer shaft shoulder is set with gripper shoe, the bottom surface of described gripper shoe is provided with around the distribution of outer shaft shoulder lower surface and towards several air nozzles of welding region, described air nozzle is by air inlet pipe input protection gas.
The present invention is set to further: the side opening of the described interior shaft shoulder and the outer shaft shoulder is provided with the through hole connected, and keeps through after described through hole penetrates the interior shaft shoulder and the outer shaft shoulder successively with the vallecular cavity of groove.
The present invention is set to further: the hole wall of described through hole is provided with internal thread.
The present invention is set to further: described through hole is evenly around the Lower Half side distribution of the interior shaft shoulder and the outer shaft shoulder, and the aperture of through hole is that gradual change is reduced from outer shaft shoulder outer surface to groove direction.
The present invention is set to further: the described interior shaft shoulder can move up and down and pivot, outside the described interior shaft shoulder, outer shaft shoulder medial surface, mixing needle and be formed with volume space between welded piece surface after the interior shaft shoulder upwards rises.
The present invention is set to further: be provided with air sifter between described air nozzle and air inlet pipe.
The present invention is set to further: described air nozzle is that ceramic material is made.
The present invention is set to further: described hollow heat pipe adopts steel material.
Compared with prior art, the beneficial effect that the present invention has is:
1, by offering groove in stirring-head body, the hollow heat pipe being located at groove in being passed through by high temperature rapidly and efficiently conducts, and pass through the highly effective air convection current of heat dissipation cavity, heat transfer type is made to integrate conduction and convection, thus significantly improve heat transfer property and heat-sinking capability, realize the rapidly and efficiently cooling of stirring-head, can guarantee that the service life of stirring-head is stablized, extended to the working strength of stirring-head.
2, adopt embedded cooling structure form, do not increase cooling volume, holding structure is compact, neat appearance; And the setting of groove, the contact area of stirring-head body and the interior shaft shoulder is significantly reduced, both frictional resistance of mutual motion can be realized and greatly reduce, thus extend the service life of stirring-head body and the interior shaft shoulder.
3, provide gas protecting function, the metal making agitating friction weld region and welding heat affected region obtains good protection, anti-oxidation and being mingled with, and improves welding quality, realizes high-quality welding.
Foregoing is only the general introduction of technical solution of the present invention, and in order to clearer understanding technological means of the present invention, below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of desk-top stirring friction spot welding device of the present invention;
Fig. 2 is the A-A direction structure schematic diagram of stirring-head body in Fig. 1.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figures 1 and 2, a kind of desk-top stirring friction spot welding device, comprises the stirring-head body 1 be arranged on friction-welding machine, is positioned at the mixing needle 2 bottom stirring-head body 1, is set in turn in the interior shaft shoulder 3 and the outer shaft shoulder 4 of stirring-head body 1; The outer surface of described stirring-head body 1 is arranged at intervals with the groove 5 of slotting in several axial length directions along stirring-head body 1; Described groove 5 is U-type groove, and the outer surface along stirring-head body 1 has been spacedly distributed four.
Be provided with the hollow heat pipe 51 that enclosed steel material is made in described groove 5, in the vacuum lumen of described hollow heat pipe 51, be filled with absorption heat transfer medium 50; Be provided with the support member 52 of fixing hollow heat pipe 51 between the outer tube wall of described hollow heat pipe 51 and the cell wall of groove 5, and make between the outer tube wall of hollow heat pipe 51 and the cell wall of groove 5, to form the heat dissipation cavity 53 for air circulation; The axial length size that the axial length size of the described interior shaft shoulder 3 and the outer shaft shoulder 4 is all less than groove 5 makes the top of heat dissipation cavity 53 keep air through with extraneous.
The outer surface of the described outer shaft shoulder 4 is set with gripper shoe 6; the bottom surface of described gripper shoe 6 is provided with around the distribution of the outer shaft shoulder 4 lower surface and towards several air nozzles 7 of welding region; described air nozzle 7 is by air inlet pipe 8 input protection gas; thus gas protecting function is provided; the metal making agitating friction weld region and welding heat affected region obtains good protection; anti-oxidation and being mingled with, realizes high-quality welding.Air sifter 9 is provided with between described air nozzle 7 and air inlet pipe 8.Described air nozzle 7 is preferably ceramic material and makes.
The side opening of the described interior shaft shoulder 3 and the outer shaft shoulder 4 is provided with the through hole 30 connected, and described through hole 30 penetrates the interior shaft shoulder 3 successively and the outer shaft shoulder 4 vallecular cavity that is rear and groove 5 keeps through, contributes to for heat dissipation cavity 53 provides new extraneous Cryogenic air.The hole wall of described through hole 3 is provided with internal thread (not shown), is convenient to air and screws in along internal thread; Described through hole 30 is evenly around the Lower Half side distribution of the interior shaft shoulder 3 and the outer shaft shoulder 4, and the aperture of through hole 30 be that gradual change is reduced from the outer shaft shoulder 4 outer surface to groove 5 direction, a large amount of screw-ins of formation air feeding heat dissipation cavity 53 fast afterwards.
The described interior shaft shoulder 3 can move up and down and pivot, and is formed with volume space 20 outside the described interior shaft shoulder 3, the outer shaft shoulder 4 medial surface, mixing needle 2 and between welded piece 10 surface after the interior shaft shoulder 3 upwards rises.Described volume space 20 is used for storing and is stirred pin 2 and stirs the plastic deforming metal extruded, and is filled up by keyhole, realize welding without keyhole, guarantee welding quality at the end of welding by the interior shaft shoulder 3 metal extruding storage that declines.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a desk-top stirring friction spot welding device, is characterized in that: comprise the stirring-head body be arranged on friction-welding machine, be positioned at the mixing needle of stirring-head body bottom portion, is set in turn in the interior shaft shoulder of stirring-head body and the outer shaft shoulder;
The outer surface of described stirring-head body is arranged at intervals with the groove of slotting in several axial length directions along stirring-head body; Be provided with enclosed hollow heat pipe in described groove, in the vacuum lumen of described hollow heat pipe, be filled with absorption heat transfer medium; Be provided with the support member of fixing hollow heat pipe between the outer tube wall of described hollow heat pipe and the cell wall of groove, and make between the outer tube wall of hollow heat pipe and the cell wall of groove, to form the heat dissipation cavity for air circulation; The axial length size that the axial length size of the described interior shaft shoulder and the outer shaft shoulder is all less than groove makes the top of heat dissipation cavity keep air through with extraneous;
The outer surface of the described outer shaft shoulder is set with gripper shoe, and the bottom surface of described gripper shoe is provided with around the distribution of outer shaft shoulder lower surface and towards several air nozzles of welding region, described air nozzle is by air inlet pipe input protection gas.
2. the desk-top stirring friction spot welding device of one according to claim 1, is characterized in that: the side opening of the described interior shaft shoulder and the outer shaft shoulder is provided with the through hole connected, and keeps through after described through hole penetrates the interior shaft shoulder and the outer shaft shoulder successively with the vallecular cavity of groove.
3. the desk-top stirring friction spot welding device of one according to claim 2, is characterized in that: the hole wall of described through hole is provided with internal thread.
4. the desk-top stirring friction spot welding device of one according to claim 2, is characterized in that: described through hole is evenly around the Lower Half side distribution of the interior shaft shoulder and the outer shaft shoulder, and the aperture of through hole is that gradual change is reduced from outer shaft shoulder outer surface to groove direction.
5. the desk-top stirring friction spot welding device of one according to claim 1, it is characterized in that: the described interior shaft shoulder can move up and down and pivot, outside the described interior shaft shoulder, outer shaft shoulder medial surface, mixing needle and be formed with volume space between welded piece surface after the interior shaft shoulder upwards rises.
6. the desk-top stirring friction spot welding device of one according to claim 1, is characterized in that: be provided with air sifter between described air nozzle and air inlet pipe.
7. the desk-top stirring friction spot welding device of one according to claim 1, is characterized in that: described air nozzle is that ceramic material is made.
8. the desk-top stirring friction spot welding device of one according to claim 1, is characterized in that: described hollow heat pipe adopts steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573749.XA CN105108312A (en) | 2015-09-10 | 2015-09-10 | Desk-type stirring friction point welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510573749.XA CN105108312A (en) | 2015-09-10 | 2015-09-10 | Desk-type stirring friction point welding machine |
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| Publication Number | Publication Date |
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| CN105108312A true CN105108312A (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510573749.XA Pending CN105108312A (en) | 2015-09-10 | 2015-09-10 | Desk-type stirring friction point welding machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108115261A (en) * | 2017-12-25 | 2018-06-05 | 广东柳泰焊接科技有限公司 | A kind of soldering set for friction stir weld |
| CN113857642A (en) * | 2020-06-30 | 2021-12-31 | 安东大学校产学协力团 | Friction stir welding tool with adjustable probe length and shaft shoulder groove depth |
| CN115415661A (en) * | 2022-09-06 | 2022-12-02 | 宁夏宏源长城机床有限公司 | Clamp device for friction welding machining of drill rod connecting piece |
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| CN203656676U (en) * | 2014-01-26 | 2014-06-18 | 上虞市友友照明电器有限公司 | Omnidirectional LED lamp |
| CN204329147U (en) * | 2014-12-12 | 2015-05-13 | 江苏巨鼎新能源科技有限公司 | Absorption high-efficiency radiator |
| CN204975678U (en) * | 2015-09-10 | 2016-01-20 | 昆山斯格威电子科技有限公司 | Desk -top friction stir spot welding device |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11105261A (en) * | 1997-10-03 | 1999-04-20 | Toyo Seikan Kaisha Ltd | Self-cooling roller assembly |
| CN101537538A (en) * | 2009-04-24 | 2009-09-23 | 重庆大学 | Integrated pin tool for friction stir welding and composite method of resistance-friction stir welding thereof |
| CN102490018A (en) * | 2011-12-09 | 2012-06-13 | 重庆大学 | Cutting-stirring friction welding composite processing device for floating double-shaft-shoulder double-stirring needle and manufacture method thereof |
| CN102513689A (en) * | 2011-12-12 | 2012-06-27 | 上海航天设备制造总厂 | In-situ filling keyhole-free friction-stir welding method |
| CN202675028U (en) * | 2012-05-17 | 2013-01-16 | 深圳市裕亨光电有限公司 | A large-power LED lamp for industrial use |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108115261A (en) * | 2017-12-25 | 2018-06-05 | 广东柳泰焊接科技有限公司 | A kind of soldering set for friction stir weld |
| CN113857642A (en) * | 2020-06-30 | 2021-12-31 | 安东大学校产学协力团 | Friction stir welding tool with adjustable probe length and shaft shoulder groove depth |
| US11453083B2 (en) | 2020-06-30 | 2022-09-27 | Andong National University Industry-Academic Cooperation Foundation | Friction stir welding (FSW) tool with adjustable probe length and shoulder groove depth |
| CN115415661A (en) * | 2022-09-06 | 2022-12-02 | 宁夏宏源长城机床有限公司 | Clamp device for friction welding machining of drill rod connecting piece |
| CN115415661B (en) * | 2022-09-06 | 2024-05-17 | 宁夏宏源长城机床有限公司 | Clamp device for friction welding of drill rod connecting piece |
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Application publication date: 20151202 |