CN209407673U - A kind of thermoforming wheel hub laser welding displacement machine - Google Patents
A kind of thermoforming wheel hub laser welding displacement machine Download PDFInfo
- Publication number
- CN209407673U CN209407673U CN201821732006.8U CN201821732006U CN209407673U CN 209407673 U CN209407673 U CN 209407673U CN 201821732006 U CN201821732006 U CN 201821732006U CN 209407673 U CN209407673 U CN 209407673U
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- Prior art keywords
- compression bar
- wheel hub
- plumb joint
- hub
- speed reducer
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- 238000003466 welding Methods 0.000 title claims abstract description 38
- 238000003856 thermoforming Methods 0.000 title claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 64
- 238000007906 compression Methods 0.000 claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 25
- 230000007306 turnover Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 241000239290 Araneae Species 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 230000003044 adaptive effect Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
The utility model discloses a kind of thermoforming wheel hub laser welding displacement machine, including plumb joint and slewing equipment, slewing equipment is for gripping wheel hub, while drive hub rotates；It further include the regulating device for adjusting the plumb joint position, the regulating device includes electric cylinders and weld seam adjustment mechanism；The electric cylinders drive the plumb joint and the weld seam adjustment mechanism mobile；The weld seam adjustment mechanism includes compression bar, elastic component, guide rail and slide carriage, the compression bar is fixedly connected with slide carriage, and it is slided on guide rail together, the plumb joint is mounted on slide carriage, one end cap of the compression bar is on the elastic component, the compression bar is stepped, and the elastic component side is against at the ladder of the compression bar, is pressed on compression bar on the outer wall of the wheel hub.The utility model provides a kind of laser welding displacement machine suitable for thermoforming hub welding, which is the position that can be realized the change in size adjust automatically plumb joint of adaptive wheel hub.
Description
Technical field
The utility model relates to automatic welding field, specially a kind of thermoforming wheel hub laser welding displacement machine.
Background technique
Positioner has also quietly become a kind of manufacturing indispensable equipment to be had in construction machinery industry
Biggish development, has been widely used.
And the welding for thermoforming wheel hub, since wheel hub is welded by spoke and wheel rim, and the spoke of wheel hub
With the presence of wheel rim circularity of circular weld joint and coaxiality deviation in forming process, hub welding is improved to a certain extent
Degree of difficulty, it is general in such a way that robot described point welds circular weld joint in the prior art, but this welding manner exists very
More defects, for example when welding circular weld joint, welding seam bias physical location may be led to due to the lazy weight of described point, or because retouching
Point quantity is excessive and leads to problems such as welding efficiency low.
Utility model content
The utility model aim is solution above-mentioned technical problem, provides a kind of laser suitable for thermoforming hub welding
Positioner, the positioner are the position that can be realized the change in size adjust automatically plumb joint of adaptive wheel hub.
In order to achieve the above object, the technical solution of the utility model has:
A kind of thermoforming wheel hub laser welding displacement machine, including plumb joint and slewing equipment, the slewing equipment is for pressing from both sides
Stationary hub is held, while drive hub rotates；It further include the regulating device for adjusting the plumb joint position, the adjusting dress
It sets including driving mechanism and weld seam adjustment mechanism；The driving mechanism drives the plumb joint and the weld seam adjustment mechanism to move
It is dynamic；The weld seam adjustment mechanism includes compression bar, elastic component, guide rail and slide carriage, and the compression bar is fixedly connected with slide carriage, and together
It is slided on guide rail, the plumb joint is mounted on slide carriage, and an end cap of the compression bar is on the elastic component, on the compression bar
Equipped with protruding portion, the elastic component side is against on the protruding portion, is pressed on compression bar on the outer wall of the wheel hub.
A kind of thermoforming wheel hub laser welding displacement machine according to the present utility model, on the basis of traditional positioner
Upper to be provided with the regulating device for being used to adjust plumb joint position, regulating device includes driving mechanism and weld seam adjustment mechanism, described
Driving mechanism, which facilitates, to be controlled, for adjusting the position of the plumb joint and weld seam adjustment mechanism；It is adjusted by setting weld seam
Mechanism, can adaptive wheel hub outer shape, variation of the compression bar with the size of wheel hub, its position of elastic adjust automatically
It sets, so as to adjust the position of the slide carriage and plumb joint, the position for completing wheel hub weld seam carries out the welding of automatic adjusument.
Preferably, where the compression bar withstands on the weld with wheel hub of the wheel hub on the comparable outer wall of height.It will pressure
The comparable outer wall of height, enables compression bar more sensitively to experience wheel hub where bar withstands on the weld with wheel hub of wheel hub
Commissure change in size.
Preferably, the plumb joint includes manually adjusting the position of plumb joint to manually adjust slide unit.Since plumb joint is solid
It is scheduled on slide carriage, so the position of the relatively described compression bar in the position of plumb joint is fixed, such positioner can only just be adapted to
Processing welding is carried out in a kind of wheel hub of size, manually adjusts slide unit so being provided on plumb joint, this manually adjusts slide unit
The position that plumb joint can manually be adjusted, can adjust the relative distance of plumb joint and compression bar, so that the positioner
It can adapt to the welding of various sizes of wheel hub.
Preferably, the plumb joint includes laser welding head, which is set to top or the institute of the compression bar
State the top of the extended area of compression bar.The opposite position of the plumb joint and the compression bar is conveniently set for the size of wheel hub
It sets, the weld seam of wheel hub can be cooperated accurately to make adaptive adjustment.
Preferably, the compression bar is directed toward the centre of gyration of the slewing equipment or the compression bar is directed toward turning for the wheel hub
Dynamic center.The force structure of optimization pressure, and can also further facilitate and the opposite of the plumb joint and the compression bar is set
Position.
Further, the driving mechanism is electric cylinders, and the electric cylinders include first servo motor, mounting plate and screw rod machine
Structure, the first servo motor and screw body are mounted on the mounting plate, the screw body adjust the plumb joint and
The position of the weld seam adjustment mechanism keeps it mobile towards wheel hub.
It further, further include turnover device, the turnover device includes the second servo motor, shaft coupling, shaft locking
Set, the first speed reducer and the first output flange, second servo motor connect the input terminal of the first speed reducer by shaft coupling,
The output end of first speed reducer connects first output flange, and the shaft locking cover locking is in shaft coupling and the second servo motor
Junction, the slewing equipment is mounted on first output flange.The overturning of wheel hub may be implemented in turnover device, thus
Realize welding of the wheel hub within the scope of ± 90 °.
Preferably, first speed reducer is cycloid gear speed reducer.Cycloid gear speed reducer, which, which has, subtracts greatly
The advantages that speed ratio, geometric accuracy are high, back clearance is small, revolving speed torque is big, rigidity is good and compact to design, is more suitable for this positioner
Middle use.
Further, the slewing equipment include third servo motor, it is synchronizing wheel, synchronous belt, the second speed reducer, second defeated
Flange and Hub fixture out, third servo motor connect second with the synchronous belt drive mechanism that synchronous belt is formed by synchronizing wheel
The output end of the input terminal of speed reducer, second speed reducer connects the second output flange, and the Hub fixture is fixed at
The upper end of second output flange.
Further, the Hub fixture includes air spider, air spider be clipped on the inner wall of the wheel hub to
It is fixed.
Detailed description of the invention
Fig. 1 is the perspective view of the positioner of the utility model；
Fig. 2 is the cross-sectional view of the positioner of the utility model；
Fig. 3 is the partial enlarged view of Fig. 2；
Fig. 4 is the regulating device structural schematic diagram of the utility model；
Fig. 5 is the structural schematic diagram of the positioner mounting seat of the utility model；
Fig. 6 is the structural schematic diagram of the shaft coupling of the utility model；
Fig. 7 is the structural schematic diagram that the shaft locking of the utility model covers；
Fig. 8 is the structural schematic diagram of first output flange of the utility model；
Fig. 9 is the structural schematic diagram of the mounting plate of the utility model；
Figure 10 is the structural schematic diagram of second output flange of the utility model.
Specific embodiment
A kind of thermoforming wheel hub laser welding displacement machine of the utility model is described with reference to the drawings.
As shown in Fig. 1 to 10, a kind of thermoforming wheel hub laser welding displacement machine, including pedestal 6 and setting or it is fixed on bottom
Turnover device 4, slewing equipment 5, plumb joint 1 and regulating device on seat 6.Turnover device 4 is for fixing wheel hub by fixture
It can overturn later, so as to carry out welding processing to wheel hub in ± 90 ° of overturning section, in addition, turnover device 4 is also used
In fixed slewing equipment 5, slewing equipment 5 can clamping stationary hub, so turnover device 4 can drive slewing equipment 5 whole
Rotation, slewing equipment 5 can also drive the hub rotation being fixed thereon, in general, it is fixed plumb joint 1 to be set to,
So rotating wheel hub, to complete the welding of circular weld joint, regulating device can adjust the position of plumb joint 1, to allow welding
Head is preferably located in commissure and is welded.
Driving mechanism can be hand screw rod mechanism, accurately control driving welding by shaking hand screw rod mechanism manually
First 1 and 2 moving distance of weld seam adjustment mechanism.
The utility model additionally provides a kind of driving mechanism embodiment of electric drive, which is electric cylinders 3, such as schemes
Shown in 2 to 4, regulating device includes electric cylinders 3 and weld seam adjustment mechanism 2；Electric cylinders 3 drive plumb joint 1 and weld seam adjustment mechanism 2 to move
It is dynamic；Weld seam adjustment mechanism 2 includes compression bar 21, elastic component, guide rail 25 and slide carriage 23.The elastic component be spring 22, compression bar 21 with
Slide carriage 23 is fixedly connected, and is slided on guide rail 25 simultaneously；Plumb joint 1 is mounted on slide carriage 23；One end cap of compression bar 21 is in bullet
On spring 22, the other end is withstood on the outer wall of wheel hub；Compression bar 21 be equipped with protruding portion, for spring 22 against, by spring 22 will press
Bar 21 is pressed on the outer wall of wheel hub.
As shown in figure 3, compression bar 21 is stepped, protruding portion is 212 at the ladder of compression bar 21, and 22 side of spring is against compression bar
212 at 21 ladder, resilient support is provided for compression bar 21.
When the movement tendency of hub rotation compression bar 21 is intended to be compressed by wheel hub, compression bar 21 can be pushed backward by wheel hub,
It is compressed to the side of spring 22, elastic force when restoring 22 compression bar 21 of spring savings, while in the drive of compression bar 21
Under, slide carriage 23 also slides backward on guide rail 25, thus move backward the plumb joint being fixed on slide carriage 23 1 also can, from
And the change in size of the adaptive wheel hub of the positioner is welded.
Conversely, the elastic force of spring 22 can be released after having lacked the compressing of wheel hub so that make compression bar 21 without departing from
Contact with hub outer wall, slide carriage 23 and plumb joint 1 are mobile also with compression bar 21, so that the positioner can be adaptive
The change in size of wheel hub is answered to be welded.
Compression bar 21 is that the position of hub outer wall contact is provided with rotatable change 211, friction when idler wheel being avoided to rotate
Wheel hub is caused to damage, change 211 is preferably made of soft material, such as rubber, silica gel material, avoids rubbing hub outer wall
Silk is played, the security performance of wheel hub is influenced.
Weld seam adjustment mechanism 2 further includes bearing 24, and bearing 24 is arranged on slide carriage 23, for connecting compression bar 21 and slide carriage
23。
As shown in Fig. 2, compression bar 21 is withstood on the comparable outer wall of weld place height with wheel hub of wheel hub.By compression bar 21
The comparable outer wall of height, enables compression bar 21 more sensitively to experience wheel hub where withstanding on the weld with wheel hub of wheel hub
Commissure change in size.
Plumb joint 1 includes lifting motor 13, manually adjusts slide unit 11, lifting slide bar 14 and laser welding head 12, lifting
Motor 13 and lifting slide bar 14 cooperate, and for adjusting the height of laser welding head 12, manually adjust slide unit 11 for manually adjusting
The position of plumb joint 1.The position of plumb joint 1 can manually be adjusted by manually adjusting slide unit 11, particularly adjust laser welding
First 12 position can adjust the horizontal relative distance of laser welding head 12 Yu compression bar 21, enable the positioner
Adapt to the welding of various sizes of wheel hub.
Plumb joint 1 includes laser welding head 12, which is set to the top of compression bar 21 or prolonging for compression bar 21
The top in long region.The relative position of plumb joint 1 and compression bar 21 is conveniently set for the size of wheel hub, it can match wheel
The weld seam of hub accurately makes adaptive adjustment.
Compression bar 21 is directed toward the centre of gyration of slewing equipment 5 or the center of rotation of the direction wheel hub of compression bar 21.Optimization pressure by
Power structure, and can also further facilitate the relative position of setting plumb joint 1 and compression bar 21.
Electric cylinders 3 include screw body 31, mounting plate 32 and first servo motor 33, first servo motor 33 and screw rod machine
Structure 31 is mounted on mounting plate 32, and plumb joint 1 and weld seam adjustment mechanism 2 are mounted on screw body 31, and by with screw rod
The screw rod of mechanism 31 connects, and the position of plumb joint 1 and weld seam adjustment mechanism 2 is adjusted by the movement of screw rod, from can
It is mobile towards wheel hub.
Mounting plate 32 as shown in Figure 9, top secure screw body 31, and lower section secures first servo motor 33,
Screw body 31 and first servo motor 33 pass through gear or synchronous belt 53 is attached transmission.
Turnover device 4 is defeated including the second servo motor 41, shaft coupling 42, shaft locking the 43, first speed reducer 44 and first of set
Flange 45 out, slewing equipment 5 are mounted on the first output flange 45.The overturning of wheel hub may be implemented in turnover device 4, to realize
Welding of the wheel hub within the scope of ± 90 °.
6 perspective view of pedestal as shown in Figure 5, is provided with axis hole 61, installs for turnover device 4 and rotates inside it,
Shaft coupling 42 as shown in Figure 6 and Figure 7 and shaft locking set 43, are used in turnover device 4, stable to first
Output power in speed reducer 44, the first speed reducer 44 reconnect 45 output power of the first output flange.
First output flange 45 as shown in Figure 8 comprising vertically arranged, the first method being connect with the first speed reducer 44
Blue disk 451, and for the second flange disk 452 that slewing equipment 5 is installed, which is middle part aperture setting, to return
The motor of rotary device 5 provides the space of power output.
First speed reducer 44 is cycloid gear speed reducer.Cycloid gear speed reducer has that big retarding ratio, geometric accuracy be high, back
The advantages that gap is small, revolving speed torque is big, rigidity is good and compact to design, is more suitable for using in this positioner.
Slewing equipment 5 includes third servo motor 51, synchronizing wheel 52, synchronous belt 53, the second speed reducer 54, second output method
Orchid 55 and Hub fixture 56.
Second output flange 55 as shown in Figure 10 will be transported to the second speed reducer 54 via synchronizing wheel 52, synchronous belt 53
In power, then enable wheel hub in third servo motor 51 in Hub fixture 56 via the output of the second output flange 55
The lower rotation of control.
Hub fixture 56 includes air spider, and air spider is clipped on the inner wall of wheel hub to be fixed.
A kind of thermoforming wheel hub laser welding displacement machine according to the present utility model, due to the limit of the processing technology of wheel hub
System, the presence of spoke and the wheel rim circularity of circular weld joint and coaxiality deviation in forming process of wheel hub, so causing each
The weld seam of wheel hub is not general size shape and size, so general positioner is not appropriate for the welding of wheel hub, institute
To be provided with the regulating device for being used to adjust 1 position of plumb joint on the basis of traditional positioner, regulating device includes
Electric cylinders 3 and weld seam adjustment mechanism 2, electric cylinders 3, which facilitate, to be controlled, for adjusting the position of plumb joint 1 and weld seam adjustment mechanism 2；
Weld seam adjustment mechanism 2 includes compression bar 21, spring 22, guide rail 25 and slide carriage 23, and compression bar 21 is fixedly connected with slide carriage 23, and simultaneously
It is slided on guide rail 25, plumb joint 1 is mounted on slide carriage 23, and on the springs 22, the other end withstands on wheel hub to an end cap of compression bar 21
Outer wall on；Compression bar 21 is stepped, and 22 side of spring is against 212 at the ladder of compression bar 21, and the other side is against on slide carriage 23, leads to
Cross above structure, can adaptive wheel hub outer shape, for compression bar 21 with the variation of the size of wheel hub, elastic is automatic
Its position is adjusted, so as to adjust the position of slide carriage 23 and plumb joint 1, the position for completing wheel hub weld seam carries out the weldering of automatic adjusument
It connects.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent
It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model
Constitute any restrictions.
Claims (10)
1. a kind of thermoforming wheel hub laser welding displacement machine, including plumb joint and slewing equipment, the slewing equipment is for clamping
Stationary hub, while drive hub rotates；It is characterized in that, further include the regulating device for adjusting the plumb joint position,
The regulating device includes driving mechanism and weld seam adjustment mechanism；The driving mechanism drives the plumb joint and the weld seam tune
Complete machine structure is mobile；The weld seam adjustment mechanism includes compression bar, elastic component, guide rail and slide carriage, and the compression bar and slide carriage, which are fixed, to be connected
Connect, and slided on guide rail together, the plumb joint is mounted on slide carriage, an end cap of the compression bar on the elastic component,
The compression bar is equipped with protruding portion, and the elastic component side is against on the protruding portion, and compression bar is made to be pressed on the wheel hub
On outer wall.
2. positioner according to claim 1, which is characterized in that the compression bar withstand on the wheel hub with wheel hub
Where weld on the comparable outer wall of height.
3. positioner according to claim 1, which is characterized in that the plumb joint includes manually adjusting plumb joint
Position manually adjusts slide unit.
4. positioner according to any one of claims 1 to 3, which is characterized in that the plumb joint includes Laser Welding
Connector, the laser welding head are set to the top of the top of the compression bar or the extended area of the compression bar.
5. positioner according to claim 4, which is characterized in that the compression bar is directed toward the revolution of the slewing equipment
Center or the compression bar are directed toward the center of rotation of the wheel hub.
6. positioner according to claim 1, which is characterized in that the driving mechanism is electric cylinders, the electric cylinders packet
First servo motor, mounting plate and screw body are included, the first servo motor and screw body are mounted on the mounting plate
On, the screw body adjusts the position of the plumb joint and the weld seam adjustment mechanism, keeps it mobile towards wheel hub.
7. positioner according to claim 1, which is characterized in that it further include turnover device, the turnover device packet
The second servo motor, shaft coupling, shaft locking set, the first speed reducer and the first output flange are included, second servo motor passes through
Shaft coupling connects the input terminal of the first speed reducer, and the output end of the first speed reducer connects first output flange, the axis lock
The fixed junction for being locked at shaft coupling and the second servo motor, the slewing equipment are mounted on first output flange.
8. positioner according to claim 7, which is characterized in that first speed reducer is cycloid gear deceleration
Machine.
9. positioner according to claim 1 or claim 7, which is characterized in that the slewing equipment includes third servo electricity
Machine, synchronizing wheel, synchronous belt, the second speed reducer, the second output flange and Hub fixture, third servo motor by synchronizing wheel and
The synchronous belt drive mechanism that synchronous belt is formed connects the input terminal of the second speed reducer, the output end connection the of second speed reducer
Two output flanges, the Hub fixture are fixed at the upper end of the second output flange.
10. positioner according to claim 9, which is characterized in that the Hub fixture includes air spider, pneumatically
Gripper chuck is fixed on the inner wall of the wheel hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821732006.8U CN209407673U (en) | 2018-10-24 | 2018-10-24 | A kind of thermoforming wheel hub laser welding displacement machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821732006.8U CN209407673U (en) | 2018-10-24 | 2018-10-24 | A kind of thermoforming wheel hub laser welding displacement machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209407673U true CN209407673U (en) | 2019-09-20 |
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ID=67931140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821732006.8U Expired - Fee Related CN209407673U (en) | 2018-10-24 | 2018-10-24 | A kind of thermoforming wheel hub laser welding displacement machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN209407673U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681976A (en) * | 2019-09-25 | 2020-01-14 | 航天工程装备（苏州）有限公司 | Aluminum alloy wheel friction stir welding duplex position automatic clamping system |
| CN111716053A (en) * | 2020-06-30 | 2020-09-29 | 李晶 | Welding seam welding device for protective shell of wind-power-based generator set |
| CN112935513A (en) * | 2021-04-09 | 2021-06-11 | 浙江欧星环美汽车部件有限公司 | Welding device and welding method for spoke and rim |
| CN114535802A (en) * | 2022-04-02 | 2022-05-27 | 西安必盛激光科技有限公司 | Laser welding device capable of rotating and welding method thereof |
-
2018
- 2018-10-24 CN CN201821732006.8U patent/CN209407673U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110681976A (en) * | 2019-09-25 | 2020-01-14 | 航天工程装备（苏州）有限公司 | Aluminum alloy wheel friction stir welding duplex position automatic clamping system |
| CN111716053A (en) * | 2020-06-30 | 2020-09-29 | 李晶 | Welding seam welding device for protective shell of wind-power-based generator set |
| CN112935513A (en) * | 2021-04-09 | 2021-06-11 | 浙江欧星环美汽车部件有限公司 | Welding device and welding method for spoke and rim |
| CN114535802A (en) * | 2022-04-02 | 2022-05-27 | 西安必盛激光科技有限公司 | Laser welding device capable of rotating and welding method thereof |
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| GR01 | Patent grant | ||
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Granted publication date: 20190920 |