CN203003336U - Pumpback type friction stir welding spindle head with differential rotation of stirring needle and shaft shoulder - Google Patents
Pumpback type friction stir welding spindle head with differential rotation of stirring needle and shaft shoulder Download PDFInfo
- Publication number
- CN203003336U CN203003336U CN 201220592092 CN201220592092U CN203003336U CN 203003336 U CN203003336 U CN 203003336U CN 201220592092 CN201220592092 CN 201220592092 CN 201220592092 U CN201220592092 U CN 201220592092U CN 203003336 U CN203003336 U CN 203003336U
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- friction stir
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Abstract
The utility model relates to a pumpback type friction stir welding spindle head with differential rotation of a stirring needle and a shaft shoulder, wherein the pumpback type friction stir welding spindle head is connected with a friction stir welding set machine frame, and comprises a spindle motor, a pumpback motor, a spindle, a pumpback shaft, a shaft shoulder rotating shaft, the shaft shoulder, the stirring needle, a ball screw, a lead screw nut, a shaft shoulder motor, a synchronous belt component, a coupling component and a bevel gear pair component. The spindle motor is connected to the spindle through the synchronous belt component. The pumpback shaft penetrates through the spindle and is connected with the spindle. One end of the pumpback shaft is connected with the stirring needle, and the other end of the pumpback shaft is connected with the pumpback motor through the coupling component. One end of the ball screw is connected with the coupling component, and the other end of the ball screw is connected with the lead screw nut which is in connection with the machine frame. The shaft shoulder rotating shaft is sleeved on the outer surface of the spindle in a coaxial mode and is connected with the shaft shoulder. The shaft shoulder motor is connected with the shaft shoulder rotating shaft through the bevel gear pair component. Through the pumpback type friction stir welding spindle head, the differential rotation of the stirring needle and the shaft shoulder and the pumpback of the stirring needle are achieved at the same time, welding quality is effectively improved, and the pumpback type friction stir welding spindle head has the advantages of being low in cost and convenient to operate.
Description
Technical field
The utility model relates to agitating friction welding field, is specifically related to a kind ofly be applicable to the friction stir welding lathe, but realizes large thickness, without the mixing needle of keyhole agitating friction welding and the friction stir welding main tapping of shaft shoulder differential speed rotation and mixing needle pumpback.
Background technology
Since the friction stir welding invention, the agitating friction welding technology is paid close attention to and deep research widely, particularly for aluminum alloy materials, school of worldwide research institution and major company have all carried out intensive research and engineering application and development to this, and have obtained successful Application in many industry manufacture field.But in practical engineering application, often there is the defective of following two aspects in traditional friction stir welding:
(1) " keyhole " problem: in the difficult problem that the circular weld friction stir welding runs into, be exactly the elimination of weld seam tail end " keyhole ".Usually long straight weld can be eliminated welding tail end " keyhole " with " drawing welding plate ", but the elimination of circular weld " keyhole " is eliminated with the method for drawing weldering with regard to being not easy.
Weld seam problems of excessive heat when (2) throat thickness is larger: the frictional heat of friction stir welding more than 80% comes from the friction of the shaft shoulder and materials to be welded.Traditional agitating friction is welded in throat thickness mixing needle High Rotation Speed together with shaft shoulder when larger, is easy to cause the problems such as weld seam is overheated, overlap, burr, surface peeling.If but the shaft shoulder do not rotate and the mixing needle High Rotation Speed, need very large downforce this moment, and the stirring-head advance resistance is larger.
The utility model content
The purpose of this utility model is to provide the pumpback formula friction stir welding main tapping of a kind of mixing needle and shaft shoulder differential speed rotation, and friction stir welding in prior art easily produces " keyhole " and weld seam is overheated and affect the technical problem of welding quality to solve.
For achieving the above object, the utility model provides the pumpback formula friction stir welding main tapping of a kind of mixing needle and shaft shoulder differential speed rotation, be connected with the friction rabbling welding lathe, comprise: spindle motor, pumpback motor, main shaft, pumpback axle, shaft shoulder rotating shaft, the shaft shoulder, mixing needle, ball-screw, feed screw nut, shaft shoulder motor, Timing Belt assembly, coupling assembly and bevel gear pair assembly, spindle motor is connected to main shaft by the Timing Belt assembly; The pumpback axle is arranged in main shaft and is connected with main shaft, and the one end connects mixing needle, and the other end connects the pumpback motor by coupling assembly; Ball-screw one end is connected with coupling assembly, and the other end is connected with feed screw nut, and feed screw nut is connected with frame; Shaft shoulder rotating shaft concentric cover is connected to the outerface of spindle and is connected with the shaft shoulder, and shaft shoulder motor is connected with shaft shoulder rotating shaft by the bevel gear pair assembly.
Pumpback formula friction stir welding main tapping according to the described mixing needle of the utility model preferred embodiment and shaft shoulder differential speed rotation, this Timing Belt assembly further comprises: the first synchronous pulley, Timing Belt and the second synchronous pulley, the first synchronous pulley is connected with spindle motor, the second synchronous pulley is connected with main shaft, Timing Belt respectively with the first synchronous pulley be connected synchronous pulley and be connected.
Pumpback formula friction stir welding main tapping according to the described mixing needle of the utility model preferred embodiment and shaft shoulder differential speed rotation, this coupling assembly further comprises: the first travelling gear, the second travelling gear and reducing sleeve, described reducing sleeve is connected with ball-screw with described pumpback axle respectively, described the second travelling gear is connected with the socket of described reducing sleeve, described the first travelling gear respectively with described pumpback motor be connected that travelling gear is coaxial to be connected.
According to the pumpback formula friction stir welding main tapping of the described mixing needle of the utility model preferred embodiment and shaft shoulder differential speed rotation, this pumpback axle is connected with main spindle multiple spline.
According to the pumpback formula friction stir welding main tapping of the described mixing needle of the utility model preferred embodiment and shaft shoulder differential speed rotation, the pumpback scope of above-mentioned mixing needle reaches as high as 30mm.
The mode that the utility model adopts electric transmission and machine driving to combine realizes the pumpback of differential speed rotation and the mixing needle of the shaft shoulder and mixing needle simultaneously, and need not extra additional power source, and cost is low, easy to operate.
Shaft shoulder rotating shaft is hollow shaft structure, and main shaft is worn in the centre, is arranged on frame both concentrics but be not in transmission connection by bearing.The realization of differential speed rotation function, to shaft shoulder rotating shaft, is driven transmission of power the shaft shoulder that is arranged on shaft shoulder rotating shaft end face and rotates by the first bevel gear pair and the second bevel gear pair double reduction by shaft shoulder motor.Due to spindle motor and the separately control separately of shaft shoulder motor, by regulating the rotating speed of shaft shoulder motor, just can realize under different welding operating modes the speed discrepancy requirement to mixing needle and the shaft shoulder, thereby reduce frictional heat, effectively avoid the problems of welded quality that causes because weld seam is overheated.
Spline joint is passed through with main shaft in pumpback axle middle part, and main shaft is that both concentrics of pumpback axle are worn in hollow shaft inside, so main shaft and pumpback between centers both can synchronously rotate, also can do axial relative motion, the mixing needle that is arranged on the pumpback axle both can rotate with spindle synchronous under spindle motor drives, can under the drive of pumpback motor, realize that the length of mixing needle extension changes again.The realization of mixing needle pumpback function is by pumpback driven by motor the first travelling gear and the second travelling gear, arrive again reducing sleeve, with transmission of power to ball-screw, because feed screw nut is fixed on frame, ball-screw rotates the limit at the feed screw nut inner edge and moves axially, and then drives the pumpback axle by reducing sleeve and moves axially.The pumpback scope of mixing needle reaches as high as 30mm, and namely this device when welded blank thickness is not more than 30mm, can be realized the pumpback of stirring-head, thereby when girth weld, eliminates " keyhole ".
In sum, compared with prior art, the utility model has been realized the pumpback of differential speed rotation and the mixing needle of the shaft shoulder and mixing needle simultaneously, has effectively improved welding quality, and has advantages of that cost is low, easy to operate.
Description of drawings
Fig. 1 is the structural representation of the pumpback formula friction stir welding main tapping of the utility model mixing needle and shaft shoulder differential speed rotation;
Fig. 2 is the pumpback axle of the utility model embodiment and the connection diagram of ball-screw.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further set forth the utility model.Following embodiment is interpreted as only being used for explanation the utility model and is not used in restriction protection domain of the present utility model.After the content of having read the utility model record, those skilled in the art can make various changes or modifications the utility model, and these equivalences change and modification falls into the utility model claim limited range equally.
Please consult simultaneously Fig. 1 to Fig. 2, the pumpback formula friction stir welding main tapping of a kind of mixing needle and shaft shoulder differential speed rotation, be connected with friction rabbling welding soldering set frame, comprise: spindle motor 1, pumpback motor 2, main shaft 6, pumpback axle 7, shaft shoulder rotating shaft 8, the shaft shoulder 9, mixing needle 10, ball-screw 11, feed screw nut 12, shaft shoulder motor 13, Timing Belt assembly, coupling assembly and bevel gear pair assembly.Wherein, the Timing Belt assembly comprises the first synchronous pulley 3, Timing Belt 4 and the second synchronous pulley 5; Coupling assembly comprises the first travelling gear 14, the second travelling gear 15 and reducing sleeve 16; Bevel gear pair assembly the first bevel gear pair 17 and the second bevel gear pair 18.
As shown in Figure 1, spindle motor 1 is connected with the first synchronous pulley 3, Timing Belt 4 respectively with the first synchronous pulley 3 be connected synchronous pulley 5 and be connected, the second synchronous pulley 5 is connected with main shaft 6.Pumpback axle 7 be arranged in main shaft 6 and with main shaft 6 spline joints, the one end connects mixing needle 10, the other end is connected with reducing sleeve 16, reducing sleeve 16 also is connected with ball- screw 11,16 coaxial connections of socket of the second travelling gear 15 and reducing sleeve, the first travelling gear 14 respectively with pumpback motor 2 be connected travelling gear 15 and be connected.Shaft shoulder rotating shaft 8 concentric covers are connected to main shaft 6 outer surfaces and are connected with the shaft shoulder 9, and shaft shoulder motor 13 is connected with the first bevel gear pair 17, and the first bevel gear pair 17 is connected with shaft shoulder rotating shaft 8 by the second bevel gear pair 18.
Particularly, the pumpback scope of mixing needle 10 reaches as high as 30mm, and namely this device when welded blank thickness is not more than 30mm, can be realized the pumpback of stirring-head, thereby when girth weld, eliminates " keyhole ".
The mode that the utility model adopts electric transmission and machine driving to combine realizes the pumpback of differential speed rotation and the mixing needle of the shaft shoulder and mixing needle simultaneously, and need not extra additional power source, and cost is low, easy to operate.
Shaft shoulder rotating shaft 8 is hollow shaft structure, and main shaft 6 is worn in the centre, is arranged on frame both concentrics but be not in transmission connection by bearing.The realization of differential speed rotation function, to shaft shoulder rotating shaft 8, is driven transmission of power the shaft shoulder 9 that is arranged on shaft shoulder rotating shaft 8 end faces and rotates by the first bevel gear pair 17 and the second bevel gear pair 18 double reductions by shaft shoulder motor 13.Due to spindle motor 2 and separately control separately of shaft shoulder motor 13, by regulating the rotating speed of shaft shoulder motor 13, just can realize under different welding operating modes the speed discrepancy requirement to mixing needle and the shaft shoulder, thereby reduce frictional heat, effectively avoid the problems of welded quality that causes because weld seam is overheated.
The above, it is only better embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any content that does not break away from technical solutions of the utility model, according to any simple modification, equivalent variations and the modification that technical spirit of the present utility model is done above embodiment, all belong to the scope of technical solutions of the utility model.
Claims (5)
1. the pumpback formula friction stir welding main tapping of a mixing needle and shaft shoulder differential speed rotation, be connected with friction rabbling welding soldering set frame, it is characterized in that, comprise: spindle motor, pumpback motor, main shaft, pumpback axle, shaft shoulder rotating shaft, the shaft shoulder, mixing needle, ball-screw, feed screw nut, shaft shoulder motor, Timing Belt assembly, coupling assembly and bevel gear pair assembly, described spindle motor is connected to described main shaft by described Timing Belt assembly; Described pumpback axle is arranged in described main shaft and is connected with described main shaft, and the one end connects described mixing needle, and the other end connects described pumpback motor by described coupling assembly; Described ball-screw one end is connected with described coupling assembly, and the other end is connected with described feed screw nut, and described feed screw nut is connected with frame; Described shaft shoulder rotating shaft concentric cover is connected to the described outerface of spindle and is connected with the described shaft shoulder, and described shaft shoulder motor is connected with described shaft shoulder rotating shaft by described bevel gear pair assembly.
2. the pumpback formula friction stir welding main tapping of mixing needle as claimed in claim 1 and shaft shoulder differential speed rotation, it is characterized in that, described Timing Belt assembly further comprises: the first synchronous pulley, Timing Belt and the second synchronous pulley, described the first synchronous pulley is connected with described spindle motor, described the second synchronous pulley is connected with described main shaft, described Timing Belt respectively with described the first synchronous pulley be connected synchronous pulley and be connected.
3. the pumpback formula friction stir welding main tapping of mixing needle as claimed in claim 1 and shaft shoulder differential speed rotation, it is characterized in that, described coupling assembly further comprises: the first travelling gear, the second travelling gear and reducing sleeve, described reducing sleeve is connected with ball-screw with described pumpback axle respectively, described the second travelling gear is connected with the socket of described reducing sleeve, described the first travelling gear respectively with described pumpback motor be connected that travelling gear is coaxial to be connected.
4. the pumpback formula friction stir welding main tapping of mixing needle as claimed in claim 1 and shaft shoulder differential speed rotation, is characterized in that, described pumpback axle is connected with described main spindle multiple spline.
5. the pumpback formula friction stir welding main tapping of mixing needle as claimed in claim 1 and shaft shoulder differential speed rotation, is characterized in that, the pumpback scope of described mixing needle reaches as high as 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592092 CN203003336U (en) | 2012-11-12 | 2012-11-12 | Pumpback type friction stir welding spindle head with differential rotation of stirring needle and shaft shoulder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592092 CN203003336U (en) | 2012-11-12 | 2012-11-12 | Pumpback type friction stir welding spindle head with differential rotation of stirring needle and shaft shoulder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203003336U true CN203003336U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220592092 Expired - Fee Related CN203003336U (en) | 2012-11-12 | 2012-11-12 | Pumpback type friction stir welding spindle head with differential rotation of stirring needle and shaft shoulder |
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| CN (1) | CN203003336U (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598574A (en) * | 2014-11-18 | 2016-05-25 | 上海航天设备制造总厂 | Friction stirring seam welding and spot welding integrated spindle |
| CN105618924A (en) * | 2014-10-31 | 2016-06-01 | 上海航天设备制造总厂 | Friction stir welding electric spindle device having retraction function |
| CN105665917A (en) * | 2016-04-13 | 2016-06-15 | 上海拓璞数控科技有限公司 | Main shaft for friction stir spot welding without withdrawing hole |
| CN105710529A (en) * | 2014-12-05 | 2016-06-29 | 上海航天设备制造总厂 | Pumpback type friction stir welding head based on parallel mechanism |
| CN105710528A (en) * | 2014-12-05 | 2016-06-29 | 上海航天设备制造总厂 | Transmission device for friction stir spot welding main handpiece |
| 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 |
| CN109108207A (en) * | 2018-09-26 | 2019-01-01 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of friction plug rivet welding connector forces molding machine and its welding method |
| CN110193657A (en) * | 2019-05-06 | 2019-09-03 | 上海发那科机器人有限公司 | A kind of two-freedom friction welding (FW) mainshaft mechanism suitable for industrial robot |
| CN111318800A (en) * | 2018-12-17 | 2020-06-23 | 中国科学院沈阳自动化研究所 | Main machine head structure for friction stir welding in water |
| CN111804910A (en) * | 2020-06-30 | 2020-10-23 | 西安交通大学 | Friction stir forging additive manufacturing method and device for nano reinforced matrix composite |
| CN114473176A (en) * | 2022-02-17 | 2022-05-13 | 贵州航天天马机电科技有限公司 | Three-dimensional parallel friction stir welding spindle device |
| TWI771752B (en) * | 2020-09-14 | 2022-07-21 | 喬崴進科技股份有限公司 | Friction stir welding adapter having a retracting system |
| CN115302071A (en) * | 2022-09-15 | 2022-11-08 | 中国航空制造技术研究院 | Double-drive differential backfill type friction stir spot welding tool and method |
| CN115464250A (en) * | 2022-09-20 | 2022-12-13 | 黄山学院 | Coaxial ultrasonic-temperature auxiliary-withdrawing friction stir welding multifunctional main shaft |
| CN115464248A (en) * | 2022-09-15 | 2022-12-13 | 中国航空制造技术研究院 | Double-drive differential backfill type friction stir spot welding main shaft |
-
2012
- 2012-11-12 CN CN 201220592092 patent/CN203003336U/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618924B (en) * | 2014-10-31 | 2019-07-26 | 上海航天设备制造总厂 | A kind of agitating friction weldering electric main shaft device with pumpback function |
| CN105618924A (en) * | 2014-10-31 | 2016-06-01 | 上海航天设备制造总厂 | Friction stir welding electric spindle device having retraction function |
| CN105598574A (en) * | 2014-11-18 | 2016-05-25 | 上海航天设备制造总厂 | Friction stirring seam welding and spot welding integrated spindle |
| CN105598574B (en) * | 2014-11-18 | 2020-01-10 | 上海航天设备制造总厂 | Friction stir welding seam welding and spot welding integrated main shaft |
| CN105710529A (en) * | 2014-12-05 | 2016-06-29 | 上海航天设备制造总厂 | Pumpback type friction stir welding head based on parallel mechanism |
| CN105710528A (en) * | 2014-12-05 | 2016-06-29 | 上海航天设备制造总厂 | Transmission device for friction stir spot welding main handpiece |
| CN105710528B (en) * | 2014-12-05 | 2019-11-01 | 上海航天设备制造总厂 | A kind of friction stir spot welding host header transmission device |
| CN105665917A (en) * | 2016-04-13 | 2016-06-15 | 上海拓璞数控科技有限公司 | Main shaft for friction stir spot welding without withdrawing hole |
| 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 |
| CN109108207A (en) * | 2018-09-26 | 2019-01-01 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of friction plug rivet welding connector forces molding machine and its welding method |
| CN111318800A (en) * | 2018-12-17 | 2020-06-23 | 中国科学院沈阳自动化研究所 | Main machine head structure for friction stir welding in water |
| CN110193657A (en) * | 2019-05-06 | 2019-09-03 | 上海发那科机器人有限公司 | A kind of two-freedom friction welding (FW) mainshaft mechanism suitable for industrial robot |
| CN111804910A (en) * | 2020-06-30 | 2020-10-23 | 西安交通大学 | Friction stir forging additive manufacturing method and device for nano reinforced matrix composite |
| CN111804910B (en) * | 2020-06-30 | 2021-07-06 | 西安交通大学 | Friction stir forging additive manufacturing method and device for nano reinforced matrix composite |
| TWI771752B (en) * | 2020-09-14 | 2022-07-21 | 喬崴進科技股份有限公司 | Friction stir welding adapter having a retracting system |
| CN114473176A (en) * | 2022-02-17 | 2022-05-13 | 贵州航天天马机电科技有限公司 | Three-dimensional parallel friction stir welding spindle device |
| CN115302071A (en) * | 2022-09-15 | 2022-11-08 | 中国航空制造技术研究院 | Double-drive differential backfill type friction stir spot welding tool and method |
| CN115464248A (en) * | 2022-09-15 | 2022-12-13 | 中国航空制造技术研究院 | Double-drive differential backfill type friction stir spot welding main shaft |
| CN115464248B (en) * | 2022-09-15 | 2023-12-29 | 中国航空制造技术研究院 | Double-drive differential backfill type friction stir spot welding main shaft |
| CN115464250A (en) * | 2022-09-20 | 2022-12-13 | 黄山学院 | Coaxial ultrasonic-temperature auxiliary-withdrawing friction stir welding multifunctional main shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20211112 |