CN215588131U - Device for ultrasonically assisting in friction stir welding of hub - Google Patents
Device for ultrasonically assisting in friction stir welding of hub Download PDFInfo
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- CN215588131U CN215588131U CN202122469101.1U CN202122469101U CN215588131U CN 215588131 U CN215588131 U CN 215588131U CN 202122469101 U CN202122469101 U CN 202122469101U CN 215588131 U CN215588131 U CN 215588131U
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- 238000003466 welding Methods 0.000 title claims abstract description 68
- 238000003756 stirring Methods 0.000 title claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 210000005067 joint tissue Anatomy 0.000 abstract description 2
- 238000007670 refining Methods 0.000 abstract description 2
- 238000002604 ultrasonography Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
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Abstract
The utility model discloses a device for welding a hub by ultrasonic-assisted friction stir welding, which belongs to the technical field of hub welding and adopts the technical scheme that: including friction stir welding mechanism, ultrasonic vibration device and contained angle adjustment mechanism, contained angle adjustment mechanism includes the first regulation portion that links to each other with friction stir welding mechanism, the second regulation portion that links to each other with ultrasonic vibration device, and the cooperation of first regulation portion and second regulation portion forms extending structure. According to the utility model, the included angle adjusting mechanism is utilized to directly apply ultrasound to the side of the hub to be welded, the ultrasonic vibration plays an obvious role in homogenizing and refining the joint tissue, the failure load of the joint is improved, and the connection strength of the two-piece hub is further improved.
Description
Technical Field
The utility model relates to the technical field of hub welding, in particular to a device for ultrasonically assisting in stirring, rubbing and welding a hub.
Background
For the two-piece type wheel hub structure composed of the spoke and the rim, the two-piece type wheel hub structure is generally connected together through bolts, on one hand, the overall weight of the wheel hub is increased, and on the other hand, the strength of the structure is reduced to a certain extent by forming bolt holes in the spoke and the rim.
Friction stir welding is a novel solid phase joining technique, and it utilizes the friction heat production of stirring tool to realize the connection of material, has with low costs, efficient, not receive the restriction of axle type part, do not increase characteristics such as unnecessary quality, consequently, carries out the welding of two formula wheel hub structures through friction stir welding usually. However, friction stir welding mainly utilizes friction between a stirring head and a workpiece to generate heat to realize intermetallic connection, in the process, a welding machine must provide enough axial force and rotation torque to obtain a high-quality welding joint, and the stirring head is easy to damage and the like in the welding process, so that the improvement of the welding speed is limited, and the welding efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a device for welding a hub by ultrasonic-assisted friction stir welding, wherein ultrasonic is directly applied to the side of the hub to be welded by utilizing an included angle adjusting mechanism, ultrasonic vibration plays an obvious role in homogenizing and refining joint tissues, the failure load of a joint is improved, and the connection strength of a two-piece hub is further improved.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the embodiment of the utility model provides a device for ultrasonically assisting in stirring, rubbing and welding a hub, which comprises a stirring, rubbing and welding mechanism, an ultrasonic vibration device and an included angle adjusting mechanism, wherein the included angle adjusting mechanism comprises a first adjusting part connected with the stirring, rubbing and welding mechanism and a second adjusting part connected with the ultrasonic vibration device, and the first adjusting part and the second adjusting part are matched to form a telescopic structure.
As a further implementation manner, the first adjusting portion and the second adjusting portion are correspondingly provided with a plurality of adjusting holes.
As a further implementation mode, the first adjusting part and the second adjusting part are connected together in an inserting mode, and angle adjustment is carried out correspondingly through adjusting holes in different positions.
As a further implementation, the longitudinal sections of the first and second regulating parts are arc-shaped.
As a further implementation manner, at least three adjusting holes are formed in each adjusting part.
In a further implementation, the ultrasonic vibration device includes an ultrasonic tool head, and the ultrasonic tool head is connected with an ultrasonic generator.
As a further implementation mode, the included angle between the axis of the ultrasonic tool head and the horizontal plane can be changed within 0-60 degrees.
As a further implementation manner, the ultrasonic tool head is connected with a cylinder, and the cylinder is connected with the second adjusting part through a second connecting piece.
As a further implementation, the friction stir welding mechanism is connected to the first adjustment portion by a first connecting member.
In a further implementation, the first connecting piece is mounted on a non-rotating part of the friction stir welding mechanism.
The utility model has the following beneficial effects:
(1) according to the utility model, the included angle adjusting mechanism is utilized to directly apply ultrasonic waves to the side of the hub to be welded, and the ultrasonic probe moves forwards along with the stirring friction welding mechanism to complete the welding process; the problem that the welding speed is lower and the efficiency is lower when the hub is welded by friction stir welding can be solved, and the connecting strength of the spoke and the rim is improved.
(2) The included angle adjusting mechanism comprises a first adjusting part and a second adjusting part, wherein the first adjusting part and the second adjusting part adopt an inserting structure, and the longitudinal sections of the first adjusting part and the second adjusting part are arc-shaped, so that the telescopic adjustment can be smoothly realized; through setting up a plurality of regulation holes, change the coincidence distance of first regulation portion and second regulation portion to realize the angle modulation of supersound instrument head and friction stir welding mechanism, convenient operation.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a schematic block diagram of the present invention according to one or more embodiments;
the ultrasonic welding device comprises a friction stir welding mechanism 1, a stirring head 2, a stirring head 3, a first adjusting part 4, an ultrasonic tool head 5, a cylinder 6, an ultrasonic generator 7, a spoke 8, a rim 9, a second adjusting part 10, an adjusting hole 11, a first connecting piece 12 and a second connecting piece.
Detailed Description
The first embodiment is as follows:
this embodiment provides a device of friction stir welding wheel hub is assisted to supersound, as shown in fig. 1, including friction stir welding mechanism 1, ultrasonic vibration device and contained angle adjustment mechanism, link to each other through contained angle adjustment mechanism between friction stir welding mechanism 1 and the ultrasonic vibration device, can adjust the contained angle of friction weld mechanism 1 and ultrasonic vibration device through contained angle adjustment mechanism.
Specifically, the included angle adjusting mechanism comprises a first adjusting part 3 and a second adjusting part 9, the first adjusting part 3 is detachably connected with the friction stir welding mechanism 1 through a first connecting piece 11, and the second adjusting part 9 is detachably connected with the ultrasonic vibration device through a second connecting piece 12; the first regulating part 3 and the second regulating part 9 form a telescopic structure.
In the embodiment, the first adjusting part 3 and the second adjusting part 9 are in an inserting structure, and one end of the first adjusting part 3 far away from the first connecting piece 11 is inserted into one end of the second adjusting part 9 far away from the second connecting piece 12; and a plurality of adjusting holes 10 are correspondingly formed in the first adjusting part 3 and the second adjusting part 9, and the adjusting holes 10 at different positions are relatively matched to realize the adjustment of the inserting distance between the two, so that the angle between the friction stir welding mechanism 1 and the ultrasonic vibration device is changed.
The number of the adjusting holes 10 is set according to a specific adjusting angle, and at least three adjusting holes 10 are formed in the first adjusting portion 3 and the second adjusting portion 9. After the positions of the adjusting holes 10 are matched, the adjusting holes 10 corresponding to the first adjusting part 3 and the second adjusting part 9 are fixedly connected through connecting pieces (such as bolts).
Preferably, the longitudinal sections of the first and second adjusting parts 3 and 9 are arc-shaped, so that the two can be smoothly extended and retracted.
In this embodiment, the friction stir welding mechanism 1 includes a stirring head 2 and a driving mechanism for driving the stirring head 2 to rotate, and the first connecting member 11 is installed outside the driving mechanism. The ultrasonic vibration device comprises an ultrasonic tool head 4, a cylinder 5 and an ultrasonic generator 5, wherein the ultrasonic tool head 4 is connected to the extending end of the cylinder 5, the ultrasonic generator 5 is connected with the ultrasonic tool head 4 through a cable, and the second connecting piece 12 is fixed on the outer side of the cylinder 5.
The ultrasonic tool head 4 of the embodiment adopts a cylindrical ultrasonic tool head, and the included angle between the axis of the cylindrical ultrasonic tool head and the horizontal plane can be changed within 0-60 degrees. The ultrasonic tool head 4 is preferably operated at angles of 30 °, 45 ° and 60 ° to the horizontal.
The using method of the embodiment comprises the following steps:
the method comprises the following steps: the wheel disc 7 and the wheel rim 8 are fixed in an overlapping mode through a hub clamping device.
Step two: the ultrasonic vibration device is fixedly connected with the non-rotating part of the friction stir welding mechanism 1 through an included angle adjusting mechanism, and an ultrasonic tool head 4 forms an included angle of 90 degrees with the welding direction at the beginning.
The angle change of the ultrasonic tool head 4 and the horizontal plane by 60 degrees, 45 degrees and 30 degrees can be realized through the included angle adjusting mechanism. The ultrasonic tool head 4 advances together with the stirring head 2 in the welding process, the ultrasonic frequency is 20kHz, and the ultrasonic power is 300W.
Step three: and starting the ultrasonic vibration device when the welding is started, extending out the air cylinder 5, lowering the ultrasonic tool head 4 down and pressing the surface of the hub to be welded, and directly applying the ultrasonic to the surface of the hub to be welded on the side of the stirring head. The rotating speed range of the stirring head 2 is 400-1200r/min, and the welding speed can be set to be 30-1000 mm/min.
The welding starts with the pin 2 pressed down deep into the hub surface to be welded. The hub is continuously in friction stir welding with the stirring head 2 above through the rotation of the clamping device, the stirring head 2 rotates at a speed until the hub completes the whole circle of welding, the stirring head moves upwards and exits from the inside of the hub, and the welding is finished.
In the embodiment, ultrasonic energy is applied to the workpiece to be welded through the ultrasonic tool head 4 before welding, the base material is softened in advance through ultrasonic vibration, the flow stress of the material is reduced, the flow of the material in the welding process is promoted, the materials at the joint of the spoke 7 and the rim 8 can be fully mixed, and the joint quality is improved.
Meanwhile, the ultrasonic vibration effectively reduces the welding load, can effectively improve the welding speed and improve the welding efficiency. Compared with other welding methods, the green welding is realized, no pollutant is generated in the whole process, no welding filling material is used, no redundant mass is added to the hub, and the cost is reduced.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a friction stir welding wheel hub's device is assisted to supersound which characterized in that, includes friction stir welding mechanism, ultrasonic vibration device and contained angle adjustment mechanism, and contained angle adjustment mechanism includes the first regulating part that links to each other with friction stir welding mechanism, the second regulating part that links to each other with ultrasonic vibration device, and the cooperation of first regulating part and second regulating part forms extending structure.
2. The apparatus of claim 1 wherein the first and second adjustment portions are formed with a plurality of adjustment holes.
3. The device for ultrasonically assisted friction stir welding of a hub according to claim 2, wherein the first adjustment portion and the second adjustment portion are inserted together and are angularly adjusted by adjustment holes at different positions.
4. An apparatus for ultrasonically assisted friction stir welding of a hub according to claim 3 wherein the longitudinal cross-sections of said first and second adjustment portions are arcuate.
5. An apparatus for ultrasonically assisted friction stir welding of a hub according to claim 2 wherein the adjustment holes are at least three in each adjustment portion.
6. An apparatus for ultrasonically assisted friction stir welding of a hub according to claim 1 wherein the ultrasonic vibration means comprises an ultrasonic tool head coupled to an ultrasonic generator.
7. An apparatus for ultrasonically assisted friction stir welding of a hub according to claim 6 wherein the angle between the axis of the ultrasonic tool head and the horizontal is variable from 0 to 60 °.
8. An apparatus for ultrasonically assisted friction stir welding of a hub according to claim 6 wherein the ultrasonic tool head is connected to a cylinder, the cylinder being connected to the second adjustment member by a second connecting member.
9. An apparatus for ultrasonically assisted friction stir welding of a hub according to claim 1 or claim 8 wherein the friction stir welding mechanism is connected to the first adjustment feature by a first connecting member.
10. An apparatus for ultrasonically assisted friction stir welding of a hub according to claim 9 wherein the first connecting member is mounted to a non-rotating portion of the friction stir welding mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122469101.1U CN215588131U (en) | 2021-10-13 | 2021-10-13 | Device for ultrasonically assisting in friction stir welding of hub |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122469101.1U CN215588131U (en) | 2021-10-13 | 2021-10-13 | Device for ultrasonically assisting in friction stir welding of hub |
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| CN215588131U true CN215588131U (en) | 2022-01-21 |
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| CN202122469101.1U Active CN215588131U (en) | 2021-10-13 | 2021-10-13 | Device for ultrasonically assisting in friction stir welding of hub |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535774A (en) * | 2022-03-03 | 2022-05-27 | 江苏嘉一北科光学科技有限公司 | Dynamically adjustable friction stir welding device and welding method |
| CN115121932A (en) * | 2022-06-29 | 2022-09-30 | 广东铭利达科技有限公司 | Aluminum alloy ultrasonic vibration assisted stirring friction welding method |
| CN115318567A (en) * | 2022-08-05 | 2022-11-11 | 中国航发贵阳发动机设计研究所 | Cold-state portable integrated glue mixing and spreading device with ultrasonic vibration assistance |
-
2021
- 2021-10-13 CN CN202122469101.1U patent/CN215588131U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535774A (en) * | 2022-03-03 | 2022-05-27 | 江苏嘉一北科光学科技有限公司 | Dynamically adjustable friction stir welding device and welding method |
| CN114535774B (en) * | 2022-03-03 | 2023-03-07 | 江苏嘉一北科光学科技有限公司 | Dynamically adjustable friction stir welding device and welding method |
| CN115121932A (en) * | 2022-06-29 | 2022-09-30 | 广东铭利达科技有限公司 | Aluminum alloy ultrasonic vibration assisted stirring friction welding method |
| CN115318567A (en) * | 2022-08-05 | 2022-11-11 | 中国航发贵阳发动机设计研究所 | Cold-state portable integrated glue mixing and spreading device with ultrasonic vibration assistance |
| CN115318567B (en) * | 2022-08-05 | 2024-04-16 | 中国航发贵阳发动机设计研究所 | Cold-state portable integrated glue mixing and spreading device with ultrasonic vibration assistance |
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Effective date of registration: 20231214 Address after: Building 1-18, JN150 Creative Culture Industry Park, No. 85 Jianshe Road, Shizhong District, Jinan City, Shandong Province, 250004 Patentee after: Zhongyan Zhilian Industrial Technology (Jinan) Co.,Ltd. Address before: 250353 University Road, Changqing District, Ji'nan, Shandong Province, No. 3501 Patentee before: Qilu University of Technology |