CN110039206A - A kind of Multifunction laser welding experiment porch - Google Patents
A kind of Multifunction laser welding experiment porch Download PDFInfo
- Publication number
- CN110039206A CN110039206A CN201910363228.XA CN201910363228A CN110039206A CN 110039206 A CN110039206 A CN 110039206A CN 201910363228 A CN201910363228 A CN 201910363228A CN 110039206 A CN110039206 A CN 110039206A
- Authority
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- China
- Prior art keywords
- ball screw
- laser welding
- movement
- moving frame
- experiment porch
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0461—Welding tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention belongs to laser welding fields, and specifically disclose a kind of Multifunction laser welding experiment porch.The experiment porch includes pedestal, first movement unit, second mobile unit and support unit, wherein the left and right sides of pedestal is arranged in first movement unit and the second mobile unit, first movement unit includes first movement rack and the first transmission mechanism for driving its movement, second mobile unit includes the second moving frame and the second transmission mechanism for driving its movement, one end of hydraulic lifting arm and pedestal in support unit, first movement rack or the connection of the second moving frame, its other end is connect with combined console block, for clamping weldment to be processed or monitoring device, hydraulic lifting arm is for driving combined console block to move up and down.The present invention realizes moving up and down for combined console block, and the work top for enabling it to constitute is adjusted flexibly according to the shape of weldment, completes the Welding experiment of large thin-wall curved surface weldment and the weldment more than land lengths.
Description
Technical field
The invention belongs to laser welding fields, more particularly, to a kind of Multifunction laser welding experiment porch.
Background technique
Currently, laser welding has been widely used in industrial production.Each colleges and universities, laboratory and enterprise are to laser welding
Study it is increasing, therefore be badly in need of develop a kind of Multifunction laser welding experiment porch, with height flexibility, it is more to meet
Kind requirement of experiment.
During Welding experiment, according to research purpose difference, the welded unit of use is different and of different sizes, existing
Have Welding experiment platform be usually be made of four support rods and rectangular panel, flexibility deficiency, can not to special welded articles into
Row is accurate fixed, influences the quality of welding product.
Meanwhile during Welding experiment, need that the various signals in welding process are acquired and are analyzed, thus right
Complicated welding process is furtherd investigate, reliably to be judged welded condition.In order to reduce a variety of interference such as vibration
Influence of the factor to signal acquisition, and guarantee that sensor is in optimal monitoring position always, drive weldment to transport with welding platform
It is dynamic and keep sensor position it is constant be a kind of relative efficiency method.But existing Welding experiment platform usually require by
Monitoring device is fixed in outside support, is limited by outside support flexibility, is difficult to find the best of each monitoring device
Position is monitored, and not can guarantee the monitoring position tested every time and keep experiment that is relatively fixed, therefore obtaining with welding position
Data do not have comparativity.The prior art can not carry out accurate measurements below butt-welding fitting simultaneously, thus can not to welded condition into
Row judgement comprehensively.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of experiment of Multifunction laser welding is flat
Platform, wherein by setting first movement unit and the second mobile unit, and realized using hydraulic lifting arm to combined console
The purpose that the position of block and height are adjusted can effectively solve the problems, such as that the flexibility of Welding experiment platform is insufficient accordingly, because
And it is particularly suitable for the application of laser welding experiment.
To achieve the above object, the invention proposes a kind of Multifunction laser welding experiment porch, which is characterized in that the reality
Testing platform includes pedestal, first movement unit, the second mobile unit and support unit, in which:
The first movement unit and the second mobile unit are symmetricly set on the left and right sides of the pedestal, and described first moves
Moving cell includes first movement rack and drives its first transmission mechanism for being moved left and right, and second mobile unit includes
Second moving frame and the second transmission mechanism for driving it to be moved left and right, the first movement rack and the second moving frame
For placing the support unit and it being driven to be moved left and right；
The support unit includes the hydraulic lifting arm and combined console block of preset quantity, and the one of the hydraulic lifting arm
End is connect with the pedestal, first movement rack or the second moving frame, and the other end is connect with the combined console block, should
Combined console block is used for clamping weldment to be processed or monitoring device, the hydraulic lifting arm by being spliced to form work top
For driving the combined console block to move up and down.
As it is further preferred that the Multifunction laser welding experiment porch further includes being arranged in the pedestal interposition
The third mobile unit set, the third mobile unit include third moving frame and the third for driving it to be moved forward and backward transmission
Mechanism is provided with the hydraulic lifting arm and combined console block on the third moving frame.
As it is further preferred that first transmission mechanism includes first servo motor, the first connector sleeve, the first ball
Screw rod, the first pair of nut and the first guide rail, wherein the first servo motor passes through first connector sleeve and first rolling
Ballscrew connection, for providing power, first pair of nut and the first movement machine for the rotation of first ball screw
Frame connection drives the first movement rack to be controlled along first guide rail for cooperating with first ball screw
It is mobile.
As it is further preferred that second transmission mechanism includes the second servo motor, the second connector sleeve, the second ball
Screw rod, the second pair of nut and the second guide rail, wherein second servo motor passes through second connector sleeve and second rolling
Ballscrew connection, for providing power, second pair of nut and second moving machine for the rotation of second ball screw
Frame connection drives second moving frame left along second guide rail progress for cooperating with second ball screw
It moves right.
As it is further preferred that the third transmission mechanism includes third servo motor, third connector sleeve, third ball
Screw rod, third pair of nut and third guide rail, wherein the third servo motor is rolled by the third connector sleeve and the third
Ballscrew connection, for providing power for the rotation of the third ball screw, the third pair of nut and the third are mobile
Rack connection drives the third moving frame to carry out along the third guide rail for cooperating with the third ball screw
It is moved forward and backward.
As it is further preferred that the Multifunction laser welding experiment porch further includes control panel and hydraulic station, institute
Control panel is stated to be used to control the first movement rack, the movement speed of the second moving frame and third moving frame, it is described
Hydraulic station is used to adjust the height of the combined console block.
As it is further preferred that the power of the first servo motor and the second servo motor is 100W~400W, institute
The power for stating third servo motor is 1kW~1.5kW.
As it is further preferred that first ball screw and the second ball screw use C7 grades of ball screw, institute
State the ball screw that third ball screw uses C3 grades or C5 grades.
As it is further preferred that be machined with circular hole on the combined console block, in clamping weldment to be processed or
It is positioned when monitoring device.
As it is further preferred that being provided with limited block on first guide rail, the second guide rail and third guide rail.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, mainly have below
Technological merit:
1. the present invention constitutes support unit using hydraulic lifting arm and combined console block, and by hydraulic lifting arm to every
The height of block combined console block is individually adjusted, while also support unit being arranged in pedestal, first movement rack and the
On two moving frames, support unit is driven to be moved left and right using first movement rack and the second moving frame, to realize
Combined console block up and down, move left and right, make it through the work top that is spliced to form can according to the shape of weldment into
Row is adjusted flexibly, and completes large thin-wall curved surface weldment and the Welding experiment more than land lengths weldment；
2. especially, the present invention is also provided with third mobile unit in the middle position of pedestal, and by weldment clamping the
On three moving frames, while sensor being fixed in first movement rack and the second moving frame, is passed using third when work
Motivation structure drives weldment to carry out at the uniform velocity mobile completion welding, while sensor is fixed on best monitoring position and carries out to welding signal
Accurate acquisition, so as to effectively avoid interference caused by the various factors such as vibration；
3. simultaneously, the present invention precisely adjusts the position of combined console block using control panel and hydraulic station, energy
Enough guarantee that monitoring device is in best monitoring position, and can guarantee to monitor position and welding position when carrying out many experiments
Keep relatively fixed, to improve the accuracy and preciseness of experimental result；
4. in addition, the present invention can also realize butt welding by the height of combined console block on adjusting third moving frame
Signal below part is monitored, so that experimental data is more comprehensive；
It drives moving frame to be moved 5. the present invention selects ball screw and pair of nut to cooperate, can guarantee higher
Kinematic accuracy, while in order to reduce production cost and take into account kinematic accuracy, to the diameter of the power of servo motor, ball screw
Etc. parameters be optimized, enable adaptation to various experimental situations.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to the Multifunction laser welding experiment porch of preferred embodiment of the present invention building；
Fig. 2 is to remove first movement machine according to the Multifunction laser welding experiment porch of preferred embodiment of the present invention building
Top view after the mobile moving frame of frame, the second moving frame and third；
Fig. 3 is to carry out large thin-wall arc weldment using Multifunction laser welding experiment porch provided by the invention to weld in fact
The scheme of installation tested；
Fig. 4 is real-time using multisensor in Multifunction laser welding experiment porch provided by the invention progress welding process
Monitor the scheme of installation of experiment.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which:
1- pedestal, the first guide rail of 2-, 2 '-the second guide rails, 3- first servo motor, 3 '-the second servo motors, 4- first connect
Female connector, 4 '-the second connector sleeves, the first ball screw of 5-, 5 '-the second ball-screws, 6- first movement rack, 7- hydraulic lifting
Bar, 8- combined console block, the second moving frame of 9-, the second pair of nut of 10-, 11- third moving frame, 12- third pair of nut,
13- third guide rail, 14- limited block, 15- third servo motor, 16- servo motor pedestal, 17- third ball screw, 18- laser
Plumb joint, 19- thin-walled arc weldment, 20- bent clamp, 21- curved support block, 22- infrared thermal imager, two pole of 23- photoelectricity
Pipe, 24- weldment to be processed, 25- quick-speed jigs, the first high-speed camera of 26-, 27- laser assisted light source, 28- spectrometer, 29-
Second high-speed camera, 30- third high-speed camera.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
As shown in Fig. 1~2, a kind of Multifunction laser welding experiment porch of the embodiment of the present invention, which includes bottom
Seat 1, first movement unit, the second mobile unit and support unit, in which:
First movement unit and the second mobile unit are symmetricly set on the left and right sides of pedestal 1, and first movement unit includes
First movement rack 6 and the first transmission mechanism for driving it to be moved left and right, the second mobile unit include the second moving frame 9
With the second transmission mechanism for driving it to be moved left and right, first movement rack 6 and the second moving frame 9 are single for placing support
Member simultaneously drives it to be moved left and right；
Support unit includes the hydraulic lifting arm 7 and combined console block 8 of preset quantity, one end of hydraulic lifting arm 7 with
Pedestal, first movement rack 6 or the connection of the second moving frame 9, the other end are connect with combined console block 8, the Combined flat
Platform block 8 is used for clamping weldment to be processed or monitoring device, hydraulic lifting arm 7 is for driving group by being spliced to form work top
Box-like platform block 8 moves up and down；
More specifically, 4 hydraulic lifting arms are separately mounted on four angles of pedestal 1,2 hydraulic lifting arms are mounted on
On one moving frame, 2 hydraulic lifting arms are mounted on the second moving frame, all hydraulic rod-type number is identical, it is evenly distributed simultaneously
And altitude datum is consistent, while the shape of all combined console blocks 8 is identical, and is convenient to from hydraulic lifting arm 7
Dismounting, every piece of combined console block 8 adjust height by its corresponding hydraulic lifting arm respectively.
Further, in order to realize welding process weldment to be processed can free-moving function, Multifunction laser welding is real
Testing platform further includes the third mobile unit being arranged among pedestal 1, which includes 11 He of third moving frame
The third transmission mechanism for driving it to be moved forward and backward is provided with 8 hydraulic lifting arms 7 and corresponding on third moving frame 11
Combined console block 8.
Further, the first transmission mechanism includes first servo motor 3, the first connector sleeve 4, the first ball screw 5, the first spiral shell
Female pair and the first guide rail 2, wherein first servo motor 3 is connect by the first connector sleeve 4 with the first ball screw 5, is used for be somebody's turn to do
The rotation of first ball screw 5 provides power, and the first pair of nut is connect with first movement rack 6, is used for and the first ball screw 5
It cooperates and the first movement rack 6 is driven to be moved left and right along the first guide rail；
Second transmission mechanism includes the second servo motor 3 ', the second connector sleeve 4 ', the second ball screw 5 ', the second pair of nut
10 and second guide rail 2 ', wherein the second servo motor 3 ' is connect by the second connector sleeve 4 ' with the second ball screw 5 ', for for
The rotation of second ball screw 5 ' provides power, and the second pair of nut 10 is connect with second moving frame 9, is used for and the second ball
Screw rod 5 ', which cooperates, drives the second moving frame 9 to be moved left and right along the second guide rail；
Third transmission mechanism includes third servo motor 15, third connector sleeve, third ball screw 17, third pair of nut 12
With third guide rail 13, wherein third servo motor 15 is connect by third connector sleeve with third ball screw 17, for being third
The rotation of ball screw 17 provides power, and third servo motor 15 is fixed on pedestal 1 by servo motor pedestal 16, the
Three pair of nut 12 are connect with third moving frame 11, drive third moving frame 11 for cooperating with third ball screw 17
It is moved forward and backward along third guide rail 13.
Further, Multifunction laser welding experiment porch further includes control panel and hydraulic station, and control panel passes through control
The revolving speed of first servo motor 3, the second servo motor 3 ' and third servo motor 15, to realize to first movement rack 6, the
The control of 11 movement speed of two moving frames 9 and third moving frame, moves it at the uniform velocity and reaches predeterminated position, and hydraulic station is used
When the height for adjusting combined console block 8, work, hydraulic station can be controlled separately the lifting of each hydraulic lifting arm, thus
The height for adjusting each piece of combined console block 8 makes it reach predeterminated position.
Further, because being provided with and guide rail phase on first movement rack 6, the second moving frame 9 and third moving frame 11
The wheel of adaptation is used to support above-mentioned moving frame, therefore wheel and guide rail carry respective moving frame and its clamping work
Most weight of part, and servo motor is mainly responsible for movement, therefore in order to reduce experimental cost, 3 He of first servo motor
Second servo motor 3 ' use low-power servo motor, power is preferably 100W~400W, and third servo motor due to
Variation range is wide and load-bearing is larger, therefore third servo motor 15 uses high-power servo motor, and power is preferably 1kW
~1.5kW；
Meanwhile first ball screw 5 and the second ball screw 5 ' select the lower minor diameter ball screw of precision, preferably adopt
With C7 grades of ball screw, third ball screw 17 selects the higher major diameter ball screw of precision, it is preferred to use C3 grades or C5
The ball screw of grade.
Further, it is machined with circular hole on combined console block 8, for carrying out in clamping weldment to be processed or monitoring device
Positioning, and combined console block 8 can be processed according to actual needs, to meet special clamping requirement；
The circular hole fixed with factory's pedestal is provided on pedestal 1 to be made for fixing Multifunction laser welding experiment porch
Empty slot that is relatively reliable, and penetrating through there are two the processing of 1 bottom of pedestal is processed, for lifting, carrying the platform；
Be provided with limited block 14 on first guide rail 2, the second guide rail 2 ' and third guide rail 13, for first movement rack,
The movement of second moving frame and third moving frame is limited.
As shown in figure 3, a preferred embodiment according to the invention, it can be real by Multifunction laser welding provided by the invention
Welding experiment of the platform for large thin-wall arc weldment is tested, thin-walled arc weldment 19 is fixed on first by bent clamp 20
It on moving frame and the second moving frame, and is supported using curved support block 21, when work, passes through control panel control the
The rotation of one servo motor 3 and the second servo motor 3 ', so that first movement rack 6 and the second moving frame 9 are moved to conjunction
Right position is set, and using the lifting of hydraulic station control hydraulic lifting arm 7, combined console block 8 is adjusted to proper height, then right
Large thick-wall arc weldment carries out clamping, and it is real to carry out welding to large thick-wall arc weldment by the movement of laser welding head 18
It tests.
As shown in figure 4, another preferred embodiment according to the invention, can test multi-functional welding provided by the invention
Platform is used to carry out the experiment of multisensor real-time monitoring to welding process, and infrared thermal imager 22 and photodiode 23 is fixed
On laser welding head 18, when work, first movement rack 6 and the second moving frame 9 are moved to properly by control panel
Position, and combined console block 8 is adjusted to proper height using hydraulic station, it include the first high-speed camera by multiple sensors
26, laser assisted light source 27, spectrometer 28, the second high-speed camera 29, third high-speed camera 30 etc. are fixed on first movement
On the combined console block 8 of rack 6 and the second moving frame 9, by weldment 24 to be processed by 25 clamping of quick-speed jigs in third
On the combined console block 8 of moving frame 11, by control panel control third moving frame 11 carry out along third guide rail 13 it is even
Speed movement carries out real-time monitoring to welding process using multiple sensors, and guarantee to weld to complete welding
Sensor position is fixed in journey, can be in optimum detection station acquisition to reliable and stable data.
As it will be easily appreciated by one skilled in the art that the above is merely preferred embodiments of the present invention, not to limit
The present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in this
Within the protection scope of invention.
Claims (10)
1. a kind of Multifunction laser welding experiment porch, which is characterized in that the experiment porch includes pedestal (1), first movement list
Member, the second mobile unit and support unit, in which:
The first movement unit and the second mobile unit are symmetricly set on the left and right sides of the pedestal (1), and described first moves
Moving cell includes first movement rack (6) and drives its first transmission mechanism for being moved left and right, second mobile unit
Including the second moving frame (9) and its second transmission mechanism for being moved left and right is driven, the first movement rack (6) and the
Two moving frames (9) are for placing the support unit and it being driven to be moved left and right；
The support unit includes the hydraulic lifting arm (7) and combined console block (8) of preset quantity, the hydraulic lifting arm
(7) one end is connect with the pedestal, first movement rack (6) or the second moving frame (9), the other end and the combined type
Platform block (8) connection, the combined console block (8) are used for clamping weldment to be processed or monitoring by being spliced to form work top
Device, the hydraulic lifting arm (7) is for driving the combined console block (8) to move up and down.
2. Multifunction laser welding experiment porch as described in claim 1, which is characterized in that the Multifunction laser welding is real
Testing platform further includes third mobile unit of the setting in the pedestal (1) middle position, which includes that third is moved
Motivation frame (11) and its third transmission mechanism for being moved forward and backward is driven, is provided on the third moving frame (11) described
Hydraulic lifting arm (7) and combined console block (8).
3. Multifunction laser welding experiment porch as claimed in claim 1 or 2, which is characterized in that first transmission mechanism
Including first servo motor (3), the first connector sleeve (4), the first ball screw (5), the first pair of nut and the first guide rail (2),
In, the first servo motor (3) is connect by first connector sleeve (4) with first ball screw (5), for being to be somebody's turn to do
The rotation of first ball screw (5) provides power, and first pair of nut is connect with the first movement rack (6), be used for
First ball screw (5), which cooperates, drives the first movement rack (6) to be moved left and right along first guide rail.
4. Multifunction laser welding experiment porch as claimed in any one of claims 1 to 3, which is characterized in that described second passes
Motivation structure is led including the second servo motor (3 '), the second connector sleeve (4 '), the second ball screw (5 '), the second pair of nut and second
Rail (2 '), wherein second servo motor (3 ') passes through second connector sleeve (4 ') and second ball screw (5 ')
Connection provides power, second pair of nut and second moving frame for the rotation for second ball screw (5 ')
(9) it connects, drives second moving frame (9) to lead along described second for cooperating with second ball screw (5 ')
Rail (2 ') is moved left and right.
5. Multifunction laser welding experiment porch as claimed in claim 4, which is characterized in that the third transmission mechanism includes
Third servo motor (15), third connector sleeve, third ball screw (17), third pair of nut and third guide rail (13), wherein institute
It states third servo motor (15) and is connect by the third connector sleeve with the third ball screw (17), for being the third
The rotation of ball screw (17) provides power, and the third pair of nut is connect with the third moving frame (11), is used for and institute
It states third ball screw (17) and cooperates the drive third moving frame (11) along the third guide rail (13) progress front and back
It is mobile.
6. Multifunction laser welding experiment porch as claimed in claim 5, which is characterized in that the Multifunction laser welding is real
Testing platform further includes control panel and hydraulic station, and the control panel is for controlling the first movement rack (6), the second movement
The movement speed of rack (9) and third moving frame (11), the hydraulic station are used to adjust the height of the combined console block (8)
Degree.
7. Multifunction laser welding experiment porch as claimed in claim 5, which is characterized in that the first servo motor (3)
Power with the second servo motor (3 ') is 100W~400W, and the power of the third servo motor (15) is 1kW~1.5kW.
8. Multifunction laser welding experiment porch as claimed in claim 5, which is characterized in that first ball screw (5)
C7 grades of ball screw is used with the second ball screw (5 '), the third ball screw (17) uses C3 grades or C5 grades of ball
Screw rod.
9. Multifunction laser welding experiment porch as described in claim 1, which is characterized in that the combined console block (8)
On be machined with circular hole, for being positioned in clamping weldment to be processed or monitoring device.
10. such as the described in any item Multifunction laser welding experiment porch of claim 5~9, which is characterized in that described first leads
Limited block (14) are provided on rail (2), the second guide rail (2 ') and third guide rail (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363228.XA CN110039206B (en) | 2019-04-30 | 2019-04-30 | Multifunctional laser welding experiment platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910363228.XA CN110039206B (en) | 2019-04-30 | 2019-04-30 | Multifunctional laser welding experiment platform |
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| CN110039206A true CN110039206A (en) | 2019-07-23 |
| CN110039206B CN110039206B (en) | 2021-02-09 |
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| CN201910363228.XA Expired - Fee Related CN110039206B (en) | 2019-04-30 | 2019-04-30 | Multifunctional laser welding experiment platform |
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| CN113547492A (en) * | 2021-06-08 | 2021-10-26 | 郑州科技学院 | Liftable equipment platform based on intelligence is made |
| CN113927231A (en) * | 2021-10-27 | 2022-01-14 | 青岛华翔汽车金属部件有限公司 | Method for installing side direction reinforcing pipe of front shell of automobile battery shell |
| CN114018918A (en) * | 2021-10-26 | 2022-02-08 | 武汉数字化设计与制造创新中心有限公司 | Underwater local dry laser welding monitoring experiment platform based on multiple sensing signals |
| CN116174970A (en) * | 2023-04-19 | 2023-05-30 | 华安钢宝利汽车板加工(重庆)有限公司 | Prepositioning platform of multi-position adjusting type laser splicing machine |
| CN117032401A (en) * | 2023-10-09 | 2023-11-10 | 深圳市普斯德光电有限公司 | Turnover mechanism of notebook computer camera |
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