CN209503309U - A kind of agitating friction weld clip assembling device - Google Patents
A kind of agitating friction weld clip assembling device Download PDFInfo
- Publication number
- CN209503309U CN209503309U CN201821470742.0U CN201821470742U CN209503309U CN 209503309 U CN209503309 U CN 209503309U CN 201821470742 U CN201821470742 U CN 201821470742U CN 209503309 U CN209503309 U CN 209503309U
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- China
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- mounting plate
- welded workpiece
- clamping mechanism
- assembling device
- agitating friction
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Abstract
The utility model discloses a kind of agitating friction weld clip assembling device, including workbench, it is used to support the first mounting plate of the welded workpiece, be used to position and clamp welded workpiece clamps the driving unit that unit movement is clamped described in unit and driving, first mounting plate includes support plate and fixed plate, the unit that clamps includes positioning mechanism and clamping mechanism, first mounting plate is removably installed on the workbench, the clamping mechanism is set on the first mounting plate, the clamping mechanism is set to the outside of the first mounting plate, the positioning mechanism holds out against and positions the welded workpiece, the clamping mechanism is liftable to unclamp or pushes the weld seam for compressing the welded workpiece, the size of first mounting plate and the welded workpiece matches.The clamping apparatus of the utility model can be automatically positioned and clamp, and accurate positioning clamps reliably, and is applicable to the welded workpiece of multiple specifications and model.
Description
Technical field
The utility model relates to welding fixture technical field, in particular to a kind of agitating friction weld clip assembling device.
Background technique
Agitating friction welding technology is a kind of novel solid phase joining technique, mainly makes to weld material using frictional heat and mechanical agitation
A series of processes such as plasticizing, recovery and recrystallization occur for material, and then form tight weld.Currently, the technology aerospace,
The maturation application of the fields such as track train, ship, electronics industry.Compared with conventional fused weldering, quality few with connector defect
The advantages that height and green non-pollution.Currently, agitating friction welding technology has broad application prospects, however, traditional plate
Splicing welding fixture is that briquetting is pressed on welded workpiece, and welded workpiece rear portion is padded to a little higher than to welding plate, then with pulling
Hand locking nut is to reach clamping purpose.Such built-up jig clamping process is more complex, and welding requires adjustment fixture weight every time
It newly clamps, reduces production efficiency, be not suitable for used in mass production.And device fixture selects the unreasonable weld seam that will appear to become
The defects of shape, not weld penetration, internal tunnel, either production application or technical research, can all cause economic loss, efficiency decline.
Summary of the invention
Convenience, a kind of solid and reliable agitating friction weld clip assembling device are clamped the purpose of the utility model is to provide a kind of.
A kind of in order to achieve the above object, the utility model provides agitating friction weld clip assembling device, including workbench, are used for
Support the first mounting plate of the welded workpiece, be used to position and clamp welded workpiece clamp unit and driving described in clamp
The driving unit of unit movement, first mounting plate includes support plate and fixed plate, and the unit that clamps includes positioning mechanism
And clamping mechanism, first mounting plate are removably installed on the workbench, the clamping mechanism is set to
On first mounting plate, the clamping mechanism is set to the outside of the first mounting plate, the positioning mechanism hold out against and position it is described to
Welding workpiece, the clamping mechanism is liftable to unclamp or pushes the weld seam for compressing the welded workpiece, first mounting plate
Match with the size of the welded workpiece.
Further, a kind of agitating friction weld clip assembling device of the utility model, the clamping mechanism are movably installed
In on second mounting plate, the position of the positioning mechanism and the clamping mechanism can be finely adjusted in the pedestal that clamps.
Further, a kind of agitating friction weld clip assembling device of the utility model, the driving unit are that cylinder driving is single
Member, including supply station, appendix and cylinder, the cylinder are connected with the supply station by appendix, are set on the workbench
It is equipped with for the first mounting hole for first mounting plate installation and the third mounting hole for being passed through for the appendix, institute
State the second mounting hole being provided on the first mounting plate for for second mounting plate installation.
Further, a kind of agitating friction weld clip assembling device of the utility model, the driving unit are hydraulic-driven list
Member, including hydraulic workstation, petroleum pipeline and hydraulic stem, the hydraulic stem pass through petroleum pipeline, clamp hydraulic cylinder and the hydraulic work
Make station to be connected, be provided on the workbench for the first mounting hole for first mounting plate installation and for for described defeated
The third mounting hole that oil pipe passes through is provided on first mounting plate for the second installation for second mounting plate installation
Hole.
Further, a kind of agitating friction weld clip assembling device of the utility model, first mounting hole are provided with multiple groups,
Convenient for first mounting plate replacement size installation.
Further, a kind of agitating friction weld clip assembling device of the utility model, the clamping mechanism include openable pressure
The briquetting of the weld seam of the tight welded workpiece, the length direction of the briquetting are equal with the bead direction of the welded workpiece
Row, the positioning mechanism include the first locating piece and the second locating piece, and first locating piece and second locating piece are in groups
It is oppositely arranged, first locating piece and second locating piece all have vertically oriented end face, and the welded workpiece passes through
First locating piece and second locating piece positioning.
Further, a kind of agitating friction weld clip assembling device of the utility model, first locating piece and the second positioning
The cross-sectional shape of part is not identical, convenient for confirming the placement location of the welded workpiece.
Further, a kind of agitating friction weld clip assembling device of the utility model, first mounting plate include for branch
It supports the support plate of the welded workpiece and for the fixed plate fixed with the workbench, the weld seam of the welded workpiece is put
It is placed in the support plate, the weld seam is pressed in the support plate by the briquetting, and the positioning mechanism is set to described
The outside of support plate, the positioning mechanism on the workbench width direction are set between the clamping mechanism, length side
The upward positioning mechanism and clamping mechanism interval setting, wherein being located at the ipsilateral positioning mechanism and described clamping machine
Structure is symmetrical arranged both with respect to the side neutrality line.
Further, a kind of agitating friction weld clip assembling device of the utility model, first mounting plate include for branch
It supports the support plate of the welded workpiece and for the fixed plate fixed with the workbench, the weld seam of the welded workpiece is put
It is placed in the support plate, the weld seam is pressed in the support plate by the briquetting, and the positioning mechanism is set to described
The inside of support plate is symmetrical arranged wherein being located at the ipsilateral clamping mechanism both with respect to the side neutrality line.
Further, a kind of agitating friction weld clip assembling device of the utility model, first mounting plate are used for small lot
First mounting plate of correspondingly-sized, institute are replaced in the welding of the welded workpiece according to the size of the welded workpiece
It states clamping mechanism and the positioning mechanism is set to the surrounding of first mounting plate.
The utility model has the advantages that a kind of agitating friction weld clip assembling device provided by the utility model, there are following advantages: this is practical new
Type uses detachable first mounting plate, can be realized plurality of specifications with the size of unrestricted choice welded workpiece and size waits for
The welding of welding workpiece, and can will clamp pedestal when replacement and remove, it is mounted on the fixation position of the first new mounting plate i.e.
Can, convenient, fast in clamping apparatus replacement, further, positioning mechanism can be set in the support plate of the first mounting plate
Side is effectively utilized support plate inner space, so that positioning mechanism and clamping mechanism is not in interference, is laid out more adduction
It manages, is compact.The utility model is automatically positioned and is clamped using hydraulic workstation, and accurate positioning clamps reliably, avoids it
He manually clamps process, greatly improves welding efficiency and welding precision.Moreover, when welding, it is only necessary to open at welding position
Briquetting, clamp firm, avoid other and manually clamp process, greatly improve welding efficiency and welding precision.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.
Fig. 1, the utility model the structural schematic diagram of agitating friction weld clip assembling device a kind of (positioning mechanism is set to support
The outside of plate).
Fig. 2, the utility model the structural schematic diagram of agitating friction weld clip assembling device a kind of (positioning mechanism is set to support
The inside of plate).
Fig. 3, the utility model another structural schematic diagram of agitating friction weld clip assembling device a kind of (positioning mechanism is set to
The inside of support plate).
Fig. 4, the utility model the utility model a kind of agitating friction weld clip assembling device clamping mechanism structural representation
Figure.
Appended drawing reference: 1, workbench, the 2, first mounting plate, 3, hydraulic workstation, 4, positioning mechanism, 5, clamping mechanism, 11,
First mounting hole, 12, third mounting hole, 21, support plate, 22, fixed plate, the 23, second mounting hole, 31, petroleum pipeline, 32, clamp
Hydraulic cylinder, 33, hydraulic stem, 51, briquetting, 52, shaft, 53, connecting rod.
Specific embodiment
In order to have clearer understanding to the technical solution of the utility model, purpose and effect, now in conjunction with Detailed description of the invention sheet
The specific embodiment of utility model.
As shown in Figures 1 to 4, the utility model provides a kind of agitating friction weld clip assembling device, including workbench 1, is used for
Support the first mounting plate 2 of the welded workpiece, be used to position and clamp welded workpiece clamp unit and the driving folder
The driving unit of unit movement is filled, first mounting plate 2 includes support plate 21 and fixed plate 22, and the unit that clamps includes fixed
Position mechanism 4 and clamping mechanism 5, first mounting plate 2 are removably installed on the workbench 1, and the clamping mechanism 5 is set
It is placed in and is set on the first mounting plate 2, the clamping mechanism 5 is set to the outside of the first mounting plate 2, and the positioning mechanism 4 pushes up
Tightly and the welded workpiece being positioned, the clamping mechanism 5 is liftable to unclamp or pushes the weld seam for compressing the welded workpiece,
The size of first mounting plate 2 and the welded workpiece matches.
Further, a kind of agitating friction weld clip assembling device of the utility model, the clamping mechanism 5 are movably installed
In on second mounting plate, the position of the positioning mechanism 4 and the clamping mechanism 5 can it is described clamp pedestal carry out it is micro-
It adjusts.
Further, a kind of agitating friction weld clip assembling device of the utility model, the driving unit are that cylinder driving is single
Member, including supply station, appendix and cylinder, the cylinder are connected with the supply station by appendix, are set on the workbench 1
It is equipped with for the first mounting hole 11 for first mounting plate 2 installation and the third mounting hole for being passed through for the appendix
12, it is provided on first mounting plate 2 for the second mounting hole 23 for second mounting plate installation.
Further, a kind of agitating friction weld clip assembling device of the utility model, the driving unit are hydraulic-driven list
Member, including hydraulic workstation 3, petroleum pipeline 31 and hydraulic stem 32, the hydraulic stem 32 by petroleum pipeline 31, clamp hydraulic cylinder 32 with
The hydraulic workstation 3 is connected, and is provided on the workbench 1 for the first mounting hole for first mounting plate 2 installation
11 and the third mounting hole 12 for passing through for the petroleum pipeline 31, it is provided on first mounting plate 2 for for described the
Second mounting hole 23 of two mounting plates installation.
Further, a kind of agitating friction weld clip assembling device of the utility model, first mounting hole 11 are provided with more
Group, convenient for first mounting plate 2 replacement size installation.
Further, a kind of agitating friction weld clip assembling device of the utility model, the clamping mechanism 5 include openable pressure
The briquetting 51 of the weld seam of the tight welded workpiece, the length direction of the briquetting 51 and the bead direction of the welded workpiece
Parallel, the positioning mechanism 4 includes the first locating piece and the second locating piece, first locating piece and second locating piece
It is oppositely arranged in groups, first locating piece and second locating piece all have vertically oriented end face, the welded workpiece
It is positioned by first locating piece and second locating piece.
Further, a kind of agitating friction weld clip assembling device of the utility model, first locating piece and the second positioning
The cross-sectional shape of part is not identical, convenient for confirming the placement location of the welded workpiece.
Further, a kind of agitating friction weld clip assembling device of the utility model, first mounting plate 2 include for branch
The support plate 21 of the welded workpiece and the fixed plate 22 for fixing with the workbench 1 are supportted, the welded workpiece
Weld seam is placed in the support plate 21, and the weld seam is pressed in the support plate 21 by the briquetting 51, the localization machine
Structure 4 is set to the outside of the support plate 21, and the positioning mechanism 4 in 1 width direction of workbench is set to the folder
Between mounting mechanism 5, the positioning mechanism 4 and the setting of the interval of the clamping mechanism 5 on length direction, wherein being located at ipsilateral described
Positioning mechanism 4 and the clamping mechanism 5 are symmetrical arranged both with respect to the side neutrality line.
Further, a kind of agitating friction weld clip assembling device of the utility model, first mounting plate 2 include for branch
The support plate 21 of the welded workpiece and the fixed plate 22 for fixing with the workbench 1 are supportted, the welded workpiece
Weld seam is placed in the support plate 21, and the weld seam is pressed in the support plate 21 by the briquetting 51, the localization machine
Structure 4 is set to the inside of the support plate 21, wherein it is symmetrical both with respect to the side neutrality line to be located at the ipsilateral clamping mechanism 5
Setting.
Further, a kind of agitating friction weld clip assembling device of the utility model, first mounting plate 2 are used for small lot
First mounting plate 2 of correspondingly-sized, institute are replaced in the welding of the welded workpiece according to the size of the welded workpiece
It states clamping mechanism 5 and the positioning mechanism 4 is set to the surrounding of first mounting plate 2.
As shown in Figure 3,4, as follows, the workbench the utility model is described in detail by taking hydraulic driving mode as an example
1 is hollow double-layer structure, and the petroleum pipeline 31 penetrates into 1 bottom of workbench from hollow structure and is connected with the hydraulic workstation 3.
The clamping mechanism 5 includes briquetting 51, shaft 52 and connecting rod 53, and described clamp is installed with mounting blocks on hydraulic cylinder 32, the peace
It is provided with shaft 52 on dress block, connecting rod 53 is provided in the shaft 52, the briquetting 51 is by being set in the shaft 52
Connecting rod 53 be connected with the hydraulic stem 33 for clamping hydraulic cylinder 32, by the up and down motion of the hydraulic stem 33, described in drive
The reciprocal flip-flop movement of briquetting 51 realizes that clamp system lifts to unclamp weld seam or push and compresses weld seam.
The installation method of the clamping apparatus of the Friction Stir Welding of the utility model, concrete operations are as follows:
Step 1: the first mounting plate 2 is fixed on workbench 1, welded workpiece is placed on the first mounting plate 2；
Petroleum pipeline 31 is arranged in the positioning mechanism 4 and clamping mechanism 5 of workbench 11, by the first mounting plate 2 by step 2 in advance
Third mounting hole 12 is installed on 2 corresponding position of the first mounting plate；
Welded workpiece locating clip is mounted on the first mounting base by step 3 by positioning mechanism 4 and clamping mechanism 5,
The weld seam of the welded workpiece is pressed in the support plate 21 of the first mounting plate 2；
Hold-down mechanism successively or is symmetrically lifted release or pushing according to the path of welding of welded workpiece by step 4
It compresses, is completed until the weld seam of the welded workpiece all welds.
Step 5, when agitating friction weldering plumb joint will reach at hold-down mechanism position, control system controls the position
Place's hold-down mechanism lifts release weld seam, welds and finishes at the hold-down mechanism position, control system controls compacting machine at the position
Structure pressure compresses weld seam, completes until the weld seam of the welded workpiece all welds；
Step 6, whole hold-down mechanisms, which are opened, to rise, and whole positioning mechanisms 4 unclamp, and take out welded workpiece.
Further, since welding process temperature is higher, welding process support plate 21 must have enough under the high temperature conditions
Intensity and toughness in order to avoid friction head damages workbench 1, while avoiding welded workpiece Nian Jie with workbench 1, usually used
High temperature resistant, chemical activity be low, high-intensitive, high rigidity and has certain toughness, the high temperature and axis being able to bear in welding process
Workbench 11 is separated with steel-made support plate 21 from welded workpiece to pressure or hard alloy support plate 21, in the welding process
Enough back-supporteds can be provided for welding position, avoid and metallurgy connection occurs between materials to be welded and support plate 21, keep away
The phenomenon that exempting from insufficient support stiffness or support plate 21 and materials to be welded bonding.
Welded workpiece can be firmly fixed on workbench 1, thus in welding process by the clamping apparatus of the utility model
Welded workpiece will not generate shaking, and welding accuracy is high, and welding quality is good.Welded workpiece is treated quickly clamp and more
It changes, it is succinct to clamp process, facilitate the disassembly of welded workpiece and the first mounting plate 2, not only can once adjust repeatedly makes
With, and processing duration can be substantially reduced with the welded workpiece of suitable for various size and model, improve production efficiency and
Utilization rate of equipment and installations.
The utility model has the advantages that a kind of agitating friction weld clip assembling device provided by the utility model, there are following advantages: this is practical new
Type uses detachable first mounting plate, can be realized plurality of specifications with the size of unrestricted choice welded workpiece and size waits for
The welding of welding workpiece, and can will clamp pedestal when replacement and remove, it is mounted on the fixation position of the first new mounting plate i.e.
Can, convenient, fast in clamping apparatus replacement, further, positioning mechanism can be set in the support plate of the first mounting plate
Side is effectively utilized support plate inner space, so that positioning mechanism and clamping mechanism is not in interference, is laid out more adduction
It manages, is compact.The utility model is automatically positioned and is clamped using hydraulic workstation, and accurate positioning clamps reliably, avoids it
He manually clamps process, greatly improves welding efficiency and welding precision.Moreover, when welding, it is only necessary to open at welding position
Briquetting, clamp firm, avoid other and manually clamp process, greatly improve welding efficiency and welding precision.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, under the premise of not departing from the conceptions and principles of the utility model, without creativeness
Design frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of agitating friction weld clip assembling device, which is characterized in that including workbench, be used to support the first peace of welded workpiece
Loading board, the driving unit that unit movement is clamped described in unit and driving that clamps for being used to position and clamp welded workpiece, described the
One mounting plate includes support plate and fixed plate, and the unit that clamps includes positioning mechanism and clamping mechanism, first mounting plate
It is removably installed on the workbench, the clamping mechanism is set on the first mounting plate, the clamping mechanism
It is set to the outside of the first mounting plate, the positioning mechanism holds out against and position the welded workpiece, and the clamping mechanism can be lifted
It rises and unclamps or push the weld seam for compressing the welded workpiece, the size phase of first mounting plate and the welded workpiece
Match.
2. a kind of agitating friction weld clip assembling device according to claim 1, which is characterized in that the clamping mechanism is movable
Ground is installed on the second mounting plate, the position of the positioning mechanism and the clamping mechanism can it is described clamp pedestal carry out it is micro-
It adjusts.
3. a kind of agitating friction weld clip assembling device according to claim 2, which is characterized in that the driving unit is cylinder
Driving unit, including supply station, appendix and cylinder, the cylinder are connected by appendix with the supply station, the work
It is provided on platform and pacifies for the first mounting hole for first mounting plate installation and the third for being passed through for the appendix
Hole is filled, is provided on first mounting plate for the second mounting hole for second mounting plate installation.
4. a kind of agitating friction weld clip assembling device according to claim 2, which is characterized in that the driving unit is hydraulic
Driving unit, including hydraulic workstation, petroleum pipeline and hydraulic stem, the hydraulic stem by petroleum pipeline, clamp hydraulic cylinder with it is described
Hydraulic workstation is connected, and is provided on the workbench for the first mounting hole for first mounting plate installation and for supplying
The third mounting hole that the petroleum pipeline passes through is provided on first mounting plate for for second mounting plate installation
Two mounting holes.
5. according to a kind of agitating friction weld clip assembling device described in claim 3 or 4, which is characterized in that first mounting hole is set
Multiple groups are equipped with, convenient for first mounting plate replacement size installation.
6. a kind of agitating friction weld clip assembling device according to claim 5, which is characterized in that the clamping mechanism includes can
Open the briquetting for compressing the weld seam of the welded workpiece, the weld seam side of the length direction of the briquetting and the welded workpiece
To parallel, the positioning mechanism includes the first locating piece and the second locating piece, first locating piece and second positioning
Part is oppositely arranged in groups, and first locating piece and second locating piece all have vertically oriented end face, the work to be welded
Part is positioned by first locating piece and second locating piece.
7. a kind of agitating friction weld clip assembling device according to claim 6, which is characterized in that first locating piece and
The cross-sectional shape of two locating pieces is not identical, convenient for confirming the placement location of the welded workpiece.
8. a kind of agitating friction weld clip assembling device according to claim 7, which is characterized in that first mounting plate includes
It is used to support the support plate of the welded workpiece and the fixed plate for fixing with the workbench, the welded workpiece
Weld seam is placed in the support plate, and the weld seam is pressed in the support plate by the briquetting, the positioning mechanism setting
It is set between the clamping mechanism in the positioning mechanism on the outside of the support plate, the workbench width direction,
The positioning mechanism and clamping mechanism interval setting on length direction, wherein being located at the ipsilateral positioning mechanism and described
Clamping mechanism is symmetrical arranged both with respect to the side neutrality line.
9. a kind of agitating friction weld clip assembling device according to claim 7, which is characterized in that first mounting plate includes
It is used to support the support plate of the welded workpiece and the fixed plate for fixing with the workbench, the welded workpiece
Weld seam is placed in the support plate, and the weld seam is pressed in the support plate by the briquetting, the positioning mechanism setting
In the inside of the support plate, it is symmetrical arranged wherein being located at the ipsilateral clamping mechanism both with respect to the side neutrality line.
10. a kind of agitating friction weld clip assembling device according to claim 1, which is characterized in that first mounting plate is used
First peace of correspondingly-sized is replaced in the welding of the welded workpiece described in small lot according to the size of the welded workpiece
Loading board, the clamping mechanism and the positioning mechanism are set to the surrounding of first mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821470742.0U CN209503309U (en) | 2018-09-08 | 2018-09-08 | A kind of agitating friction weld clip assembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821470742.0U CN209503309U (en) | 2018-09-08 | 2018-09-08 | A kind of agitating friction weld clip assembling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209503309U true CN209503309U (en) | 2019-10-18 |
Family
ID=68185829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821470742.0U Expired - Fee Related CN209503309U (en) | 2018-09-08 | 2018-09-08 | A kind of agitating friction weld clip assembling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209503309U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266787A (en) * | 2020-04-10 | 2020-06-12 | 航天工程装备（苏州）有限公司 | Automatic clamping system for friction stir welding of cast aluminum alloy 5G radiator |
| CN111774792A (en) * | 2020-07-23 | 2020-10-16 | 安徽宏源铁塔有限公司 | Multi-spliced steel pipe joint-closing positioning device |
| CN112388226A (en) * | 2020-11-10 | 2021-02-23 | 湖南坤鼎数控科技有限公司 | Rapid clamping device for friction stir welding |
| CN113996914A (en) * | 2021-11-22 | 2022-02-01 | 湖南坤鼎数控科技有限公司 | Control system for friction stir welding |
| CN114043069A (en) * | 2021-11-08 | 2022-02-15 | 陕西飞机工业有限责任公司 | Semi-automatic device for friction stir welding of large aircraft floor assembly |
-
2018
- 2018-09-08 CN CN201821470742.0U patent/CN209503309U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111266787A (en) * | 2020-04-10 | 2020-06-12 | 航天工程装备（苏州）有限公司 | Automatic clamping system for friction stir welding of cast aluminum alloy 5G radiator |
| CN111266787B (en) * | 2020-04-10 | 2021-11-05 | 航天工程装备（苏州）有限公司 | Automatic clamping system for friction stir welding of cast aluminum alloy 5G radiator |
| CN111774792A (en) * | 2020-07-23 | 2020-10-16 | 安徽宏源铁塔有限公司 | Multi-spliced steel pipe joint-closing positioning device |
| CN112388226A (en) * | 2020-11-10 | 2021-02-23 | 湖南坤鼎数控科技有限公司 | Rapid clamping device for friction stir welding |
| CN114043069A (en) * | 2021-11-08 | 2022-02-15 | 陕西飞机工业有限责任公司 | Semi-automatic device for friction stir welding of large aircraft floor assembly |
| CN113996914A (en) * | 2021-11-22 | 2022-02-01 | 湖南坤鼎数控科技有限公司 | Control system for friction stir welding |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 Termination date: 20200908 |
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| CF01 | Termination of patent right due to non-payment of annual fee |