CN105458489A - Main shaft machine head for friction stir spot welding - Google Patents
Main shaft machine head for friction stir spot welding Download PDFInfo
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- CN105458489A CN105458489A CN201410409055.8A CN201410409055A CN105458489A CN 105458489 A CN105458489 A CN 105458489A CN 201410409055 A CN201410409055 A CN 201410409055A CN 105458489 A CN105458489 A CN 105458489A
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- splined shaft
- spindle
- friction stir
- spot welding
- motor
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Abstract
The invention discloses a main shaft machine head for friction stir spot welding. The main shaft machine head comprises a main shaft motor, a first back-pumping motor, a second back-pumping motor, a stirring needle and a stirring sleeve. The main shaft motor is installed in the main shaft machine head. During welding, the main shaft motor drives the stirring needle and the stirring sleeve to rotate respectively. The first back-pumping motor drives the stirring needle to move in the axial direction. The second back-pumping motor drives the stirring sleeve to move in the axial direction. Through the main shaft machine head, the size of the main shaft machine head can be reduced, and the friction stir spot welding efficiency is improved.
Description
Technical field
The present invention relates to mechanical field, particularly a kind of spindle head of friction stir spot welding.
Background technology
Aluminum alloy materials is widely used in industry manufacture field due to advantages such as lightweight, anticorrosive, easy shapings, along with the appearance of the material such as duralumin, superduralumin of the novel trade mark, the further raising of the performance of aluminum alloy materials, and obtain in industry manufacture field such as Aero-Space, bullet train, high-speed ships and apply more and more widely.Traditional welding method welding deformation is greatly a major issue in aluminum alloy materials application.
Backfill type friction stir spot welding (FSSW) is a kind of emerging solid phase connection technique that German GKSS invents on agitating friction welding basis.Since backfill type friction stir spot welding is invented, this technology is paid close attention to and deep research widely, particularly for aluminum alloy materials, school of worldwide research institution and major company all to this has been intensive research and engineering application and development, and obtain successful Application in many industry manufacture field.
Electro spindle formula friction stir spot welding spindle head is the chief component of backfill type agitating friction welding set, but electro spindle formula friction stir spot welding spindle head is bulky, not enough flexibly when causing work; And can there is axial relative motion in mixing needle and stirring cover, affect operating efficiency.
Summary of the invention
The problem that the present invention solves is that the spindle head of existing friction stir spot welding is bulky, inefficiency; For solving described problem, the invention provides a kind of spindle head of friction stir spot welding, comprising: spindle motor, the first pumpback motor, the second pumpback motor, mixing needle, stirring cover; Described spindle motor is installed on spindle head inside; During welding, spindle motor drives mixing needle and stirs cover and rotates respectively; First pumpback driven by motor mixing needle moves vertically; Second pumpback driven by motor stirs cover and moves vertically.
Further, also comprise the first power transmission, the axially-movable that described first power transmission is mixing needle provides power transmission, comprising: the first gear, the second gear, the first screw axis, the first feed screw nut, the first splined shaft and clutch shaft bearing; Described first feed screw nut and main shaft support are connected, the first screw axis and the first feed screw nut with the use of; First splined shaft is connected by clutch shaft bearing with the first screw axis, first pumpback motor carries out axially-movable by the first gear, the second gear driven first screw axis, and then driving the first splined shaft to move vertically, the first splined shaft drives mixing needle to move vertically.
Further, described spindle motor comprises: electro spindle, spindle motor stator, spindle motor rotor; Described first splined shaft passes axially through described electro spindle, and described spindle motor drives the first splined shaft to rotate, thus drives mixing needle to rotate.
Further, described spindle motor stator and main shaft support are connected, and spindle motor rotor and electro spindle are connected; Described electro spindle is connected by spline mode with the first splined shaft, the second splined shaft.
Further, also comprise the second power transmission, described second power transmission provides power transmission for the axially-movable of stirring cover, comprising: the 3rd gear, the 4th gear, the second screw axis, the second feed screw nut, the second splined shaft and the second bearing; Described second feed screw nut and main shaft support are connected, the second screw axis and the second feed screw nut with the use of; Second splined shaft is connected by the second bearing with the second screw axis, second pumpback motor carries out axially-movable by the 3rd gear, the 4th gear driven second screw axis, and then driving the second splined shaft to move vertically, the second splined shaft drives to stir to overlap and moves vertically.
Further, described spindle motor drives the second splined shaft to rotate, and described second splined shaft drives and stirs cover rotation.
Further, described first splined shaft and mixing needle are mechanically connected; Stir cover to be connected with the second splined shaft; Stir cover one end to be connected with the second screw axis, the other end is enclosed within outside mixing needle.
Further, described stirring cover outside cover has clamping sleeve.
Advantage of the present invention comprises:
1. spindle motor is built in friction stir welding spindle head, improves the integrated level of spindle head, makes apparatus structure compacter;
2. adopt electric spindle motor to be built in friction stir welding spindle head, reduce the volume of spindle head, improve the flexibility of spindle head motion;
3. adopt double back to take out Electric Machine Control mixing needle and stir the axially-movable of cover, improving the flexibility of friction stir spot welding welding, avoiding mixing needle and stir the axial relative motion of cover, reduce weld defect rate, enhance productivity.
Accompanying drawing explanation
Fig. 1 is the spindle head structural representation of the friction stir spot welding that the embodiment of the present invention provides;
Fig. 2 is the spindle head close-up schematic view of the friction stir spot welding that the embodiment of the present invention provides.
Detailed description of the invention
From background technology, the spindle head huge structure of existing friction stir spot welding, and efficiency is low; Inventor studies for the problems referred to above, provides a kind of spindle head of friction stir spot welding in the present invention.Hereinafter, in conjunction with the accompanying drawings and embodiments the spindle head of friction stir spot welding provided by the present invention is further elaborated.
With reference to figure 1, the spindle head of friction stir spot welding provided by the invention, comprising: spindle motor, the first pumpback motor 1, second pumpback motor 2, mixing needle 14, stirring cover 16; Described spindle motor is installed on spindle head inside; During welding, spindle motor drives mixing needle and stirs cover and rotates respectively; First pumpback motor 1 drives mixing needle 14 to move vertically; Second pumpback motor 2 drives stirring cover 16 to move vertically.
In an embodiment of the present invention, described spindle motor is built in friction stir welding spindle head, improves the integrated level of spindle head, reduces the volume of spindle head, make apparatus structure compacter; Adopt the first pumpback motor and the second pumpback motor to control mixing needle respectively and stir the axially-movable of cover, improving the flexibility of friction stir spot welding welding, avoiding mixing needle and stir the axial relative motion of cover, reduce weld defect rate, enhance productivity.
Continue with reference to figure 1, in the spindle head of friction stir spot welding provided by the present invention, there is provided power transmission by the first power transmission for the axially-movable of mixing needle 14, comprising: the first gear 17, second gear 18, first screw axis 4, first feed screw nut 3, first splined shaft 5 and clutch shaft bearing; Described first feed screw nut 3 is connected with main shaft support, the first screw axis 4 and the first feed screw nut 3 with the use of; First splined shaft 5 is connected by clutch shaft bearing with the first screw axis 4, first pumpback motor 1 drives the first screw axis 4 to carry out axially-movable by the first gear 17, second gear 18, and then driving the first splined shaft 5 to move vertically, the first splined shaft 5 drives mixing needle 14 to move vertically.Described first power transmission is arranged on described spindle head one end away from mixing needle.Described spindle motor comprises: electro spindle 8, spindle motor stator 6, spindle motor rotor 7; Described first splined shaft 5 passes axially through described electro spindle 8, and described spindle motor drives the first splined shaft 5 to rotate, thus drives mixing needle 14 to rotate.To sum up, the first pumpback motor 1 provides power for mixing needle axially-movable, and spindle motor is mixing needle powered rotation.
Continue with reference to figure 1, in the spindle head of friction stir spot welding provided by the present invention, by the second power transmission for the axially-movable of stirring cover 16 provides power transmission, the second power transmission comprises: the 3rd gear 10, the 4th gear 11, second screw axis 12, second feed screw nut 13, second splined shaft 9 and the second bearing; Described second feed screw nut 13 is connected with main shaft support, the second screw axis 12 and the second feed screw nut 13 with the use of; Second splined shaft 9 is connected by the second bearing with the second screw axis 12, second pumpback motor 2 drives the second screw axis 12 to carry out axially-movable by the 3rd gear 10, the 4th gear 11, and then driving the second splined shaft 9 to move vertically, the second splined shaft 9 drives stirring cover 16 to move vertically.Described spindle motor drives the second splined shaft 9 to rotate, and described second splined shaft 9 drives stirring cover 16 to rotate.
Described spindle motor stator 6 is connected with main shaft support, and spindle motor rotor 7 and electro spindle 8 are connected; Described electro spindle 8 is connected by spline mode with the first splined shaft 5, second splined shaft 9; So can realize mixing needle 14, stir cover 16 rotate and axial composite-rotor motion.
In conjunction with reference to figure 1 and Fig. 2, described first splined shaft 5 is mechanically connected with mixing needle 14; Stirring cover 16 and the second splined shaft 9 are connected; Stir cover 16 one end to be connected with the second screw axis, the other end is enclosed within outside mixing needle 14.Outside described stirring cover 16, cover has clamping sleeve 15, thus realization stirring cover and mixing needle are in the location of circumference.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solution of the present invention; therefore; every content not departing from technical solution of the present invention; the any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.
Claims (8)
1. a spindle head for friction stir spot welding, is characterized in that, comprising: spindle motor, the first pumpback motor (1), the second pumpback motor (2), mixing needle (14), stirring cover (16); Described spindle motor is installed on spindle head inside; During welding, spindle motor drives mixing needle and stirs cover and rotates respectively; First pumpback motor (1) drives mixing needle (14) to move vertically; Second pumpback motor (2) drives stirring cover (16) to move vertically.
2. according to the spindle head of friction stir spot welding according to claim 1, it is characterized in that, also comprise the first power transmission, described first power transmission is that the axially-movable of mixing needle (14) provides power transmission, comprising: the first gear (17), the second gear (18), the first screw axis (4), the first feed screw nut (3), the first splined shaft (5) and clutch shaft bearing; Described first feed screw nut (3) and main shaft support are connected, the first screw axis (4) and the first feed screw nut (3) with the use of; First splined shaft (5) is connected by clutch shaft bearing with the first screw axis (4), first pumpback motor (1) drives the first screw axis (4) to carry out axially-movable by the first gear (17), the second gear (18), and then driving the first splined shaft (5) to move vertically, the first splined shaft (5) drives mixing needle (14) to move vertically.
3. according to the spindle head of friction stir spot welding according to claim 1, it is characterized in that, described spindle motor comprises: electro spindle (8), spindle motor stator (6), spindle motor rotor (7); Described first splined shaft (5) passes axially through described electro spindle (8), and described spindle motor drives the first splined shaft (5) to rotate, thus drives mixing needle (14) to rotate.
4. according to the spindle head of friction stir spot welding according to claim 3, it is characterized in that, described spindle motor stator (6) and main shaft support are connected, and spindle motor rotor (7) and electro spindle (8) are connected; Described electro spindle (8) is connected by spline mode with the first splined shaft (5), the second splined shaft (9).
5. according to the spindle head of friction stir spot welding according to claim 1, it is characterized in that, also comprise the second power transmission, described second power transmission is that the axially-movable of stirring cover (16) provides power transmission, comprising: the 3rd gear (10), the 4th gear (11), the second screw axis (12), the second feed screw nut (13), the second splined shaft (9) and the second bearing; Described second feed screw nut (13) and main shaft support are connected, the second screw axis (12) and the second feed screw nut (13) with the use of; Second splined shaft (9) is connected by the second bearing with the second screw axis (12), second pumpback motor (2) drives the second screw axis (12) to carry out axially-movable by the 3rd gear (10), the 4th gear (11), and then driving the second splined shaft (9) to move vertically, the second splined shaft (9) drives stirring cover (16) to move vertically.
6. according to the spindle head of friction stir spot welding according to claim 1, it is characterized in that, described spindle motor drives the second splined shaft (9) to rotate, and the drive of described second splined shaft (9) is stirred cover (16) and rotated.
7. according to the spindle head of friction stir spot welding according to claim 1, it is characterized in that, described first splined shaft (5) and mixing needle (14) are mechanically connected; Stir cover (16) to be connected with the second splined shaft (9); Stir cover (16) one end to be connected with the second screw axis, the other end is enclosed within mixing needle (14) outside.
8. according to the spindle head of friction stir spot welding according to claim 1, it is characterized in that, described stirring cover (16) outside cover has clamping sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409055.8A CN105458489A (en) | 2014-08-20 | 2014-08-20 | Main shaft machine head for friction stir spot welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409055.8A CN105458489A (en) | 2014-08-20 | 2014-08-20 | Main shaft machine head for friction stir spot welding |
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| Publication Number | Publication Date |
|---|---|
| CN105458489A true CN105458489A (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410409055.8A Pending CN105458489A (en) | 2014-08-20 | 2014-08-20 | Main shaft machine head for friction stir spot welding |
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| CN (1) | CN105458489A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563878A (en) * | 2016-10-27 | 2017-04-19 | 上海航天设备制造总厂 | Friction-stir welding device and method thereof |
| CN108817641A (en) * | 2018-06-20 | 2018-11-16 | 哈尔滨工业大学（威海） | A kind of two axis backfill formula stirring friction spot welding device |
| CN108857044A (en) * | 2018-07-18 | 2018-11-23 | 山东格物智能科技有限公司 | A kind of lightweight backfill formula stirring friction spot welding device |
| CN111408832A (en) * | 2020-03-11 | 2020-07-14 | 天津大学 | Friction plug repair welding spindle head device |
| CN113458585A (en) * | 2020-06-24 | 2021-10-01 | 西安交通大学 | Friction rivet welding connection method for friction heat generation of stirring sleeve rotation and rivet screwing-in type plate |
-
2014
- 2014-08-20 CN CN201410409055.8A patent/CN105458489A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563878A (en) * | 2016-10-27 | 2017-04-19 | 上海航天设备制造总厂 | Friction-stir welding device and method thereof |
| CN108817641A (en) * | 2018-06-20 | 2018-11-16 | 哈尔滨工业大学（威海） | A kind of two axis backfill formula stirring friction spot welding device |
| CN108857044A (en) * | 2018-07-18 | 2018-11-23 | 山东格物智能科技有限公司 | A kind of lightweight backfill formula stirring friction spot welding device |
| CN108857044B (en) * | 2018-07-18 | 2020-06-30 | 山东格物智能科技有限公司 | Lightweight backfill type friction stir spot welding device |
| CN111408832A (en) * | 2020-03-11 | 2020-07-14 | 天津大学 | Friction plug repair welding spindle head device |
| CN111408832B (en) * | 2020-03-11 | 2022-03-08 | 天津大学 | Friction plug repair welding spindle head device |
| CN113458585A (en) * | 2020-06-24 | 2021-10-01 | 西安交通大学 | Friction rivet welding connection method for friction heat generation of stirring sleeve rotation and rivet screwing-in type plate |
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Application publication date: 20160406 |