CN112643196A - Aluminum plate laser welding equipment - Google Patents
Aluminum plate laser welding equipment Download PDFInfo
- Publication number
- CN112643196A CN112643196A CN202010911890.7A CN202010911890A CN112643196A CN 112643196 A CN112643196 A CN 112643196A CN 202010911890 A CN202010911890 A CN 202010911890A CN 112643196 A CN112643196 A CN 112643196A
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- plate body
- plate
- aluminum plate
- laser welding
- screw
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- 238000003466 welding Methods 0.000 title claims abstract description 61
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 51
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000007723 transport mechanism Effects 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 206010010904 Convulsion Diseases 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000036461 convulsion Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides aluminum plate laser welding equipment, which relates to the technical field of welding equipment and comprises a case, wherein a feeding port is formed in one side of the case, a discharging port is formed in the other side of the case, a workbench is arranged in the case, active feeding mechanisms are arranged on the left side and the right side above the workbench, a bearing mechanism is arranged between the active feeding mechanisms on the two sides, auxiliary conveying mechanisms are arranged on the front side and the rear side of the bearing mechanism, a welding mechanism is further arranged on the workbench, each active feeding mechanism comprises a first vertical seat and a second vertical seat, a driven roller is rotatably arranged on the first vertical seat, a driving roller is rotatably arranged on the second vertical seat, and the driving roller is connected with a motor. The automatic welding machine has the beneficial effects that the automation degree is high, and the auxiliary conveying mechanism and the pressing roller are arranged, so that the input aluminum plates can be neatly and tightly arranged for welding, and the welding quality is favorably improved.
Description
Technical Field
The invention relates to the technical field of aluminum plate welding equipment, in particular to aluminum plate laser welding equipment.
Background
In laser welding, high-energy laser pulses are used for locally heating materials in micro-areas, energy radiated by laser is diffused into the materials through heat conduction, and the materials are melted to form a specific molten pool. The novel welding mode is mainly used for welding thin-wall materials and precise parts, spot welding, butt welding, stitch welding, seal welding and the like can be realized, the depth-width ratio is high, the width of a welding seam is small, a heat affected zone is small, deformation is small, the welding speed is high, the welding seam is flat and attractive, processing is not needed or only needs to be simple after welding, the welding seam is high in quality, free of air holes, capable of being accurately controlled, small in focusing light spot and high in positioning accuracy. However, the existing aluminum plate laser welding equipment generally has the phenomenon of low automation degree, so that the research and development of a high-automation aluminum plate welding equipment is urgently needed.
Disclosure of Invention
The invention overcomes the defects in the prior art, provides the aluminum plate laser welding equipment which is high in automation degree, and is provided with the auxiliary transmission mechanism and the pressing roller, so that the input aluminum plates can be neatly and tightly arranged for welding, and the welding quality is favorably improved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides an aluminum plate laser welding equipment, includes quick-witted case, one side of machine case is provided with the pan feeding mouth, and the opposite side is provided with the discharge gate, the machine incasement is provided with the workstation, the left and right sides of workstation top is provided with initiative feeding mechanism, both sides be provided with between the initiative feeding mechanism and bear the mechanism, both sides are provided with supplementary transport mechanism around bearing the mechanism, still be provided with welding mechanism on the workstation.
Preferably, initiative feeding mechanism includes that first founds seat and second found seat, first found seat rotates and is provided with the driven voller, the second found seat rotates and is provided with the drive roll, the drive roll is connected with the motor, the below that the second found the seat is provided with first plate body, the second found seat sliding connection be in on the first plate body, the front end of first plate body is provided with first fixing base, first fixing base rigid coupling is in on the workstation, it is provided with first screw rod to rotate on the first fixing base, first screw rod with the second found seat threaded connection, the tip of first screw rod is provided with first carousel.
Preferably, the bearing mechanism comprises a second plate body, a plurality of bearing rollers are rotatably arranged on the second plate body, and the arrangement direction of the bearing rollers is the same as the transmission direction of the aluminum plate.
Preferably, supplementary transport mechanism includes the third plate body, third plate body sliding connection be in on the workstation, the front end of third plate body is provided with the second fixing base, it is provided with the second screw rod to rotate on the second fixing base, the second screw rod with third plate body threaded connection, the tip of second screw rod is provided with the second carousel, it is provided with the side compression roller to rotate perpendicularly on the third plate body.
Preferably, a plurality of straight rods are arranged beside the side pressing roller, the lower ends of the straight rods are fixedly connected to the workbench, and photoelectric sensors are arranged on the straight rods.
Preferably, the upper end of the straight rod is provided with a fourth plate body, the fourth plate body is provided with an air cylinder, the end part of a piston rod of the air cylinder is connected with a fifth plate body, a pressing roller is arranged on the fifth plate body in a rotating mode, and the arrangement direction of the pressing roller is the same as the transmission direction of the aluminum plate.
Preferably, welding mechanism includes that the third stands the seat, the lower extreme rigid coupling that the third stands the seat is in on the workstation, be provided with the lifter plate on the third stands the seat, the perpendicular sliding connection of lifter plate is in on the third stands the seat, be provided with the third screw rod on the third stands the seat, lifter plate threaded connection is in on the third screw rod, the tip of third screw rod is provided with the third carousel.
Preferably, an assembly plate for installing a welding gun is arranged on the lifting plate in a transverse sliding mode, a fourth screw is arranged on the lifting plate in a rotating mode and in threaded connection with the assembly plate, and a fourth turntable is arranged at the end portion of the fourth screw.
Preferably, a protective door is arranged on the case in a sliding manner, an observation window is arranged on the protective door, and a handle is arranged on the protective door.
Preferably, a ventilation barrel is arranged at the top end of the case.
Compared with the prior art, the invention has the beneficial effects that:
need welded aluminum plate to bring into to the top of bearing the weight of the mechanism through the initiative feeding mechanism of pan feeding mouth, between the supplementary transport mechanism, the welder of installing in welding mechanism can weld aluminum plate, aluminum plate after the welding is under the drive of the other initiative feeding mechanism of discharge gate, discharge from the discharge gate, in welding process, supplementary transport mechanism can press from both sides aluminum plate tightly, make a plurality of blocks put the aluminum plate of input perpendicularly and align, be difficult to take place the lateral deviation, furthermore, be provided with the cylinder on the fourth plate body, the tip and the fifth plate body of the piston rod of cylinder are connected, it is provided with the compressing roller to rotate on the fifth plate body, the compressing roller can compress tightly aluminum plate, make tight paste between the adjacent aluminum plate, reduce the gap size, be favorable to improving welding quality.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, with the understanding that the present disclosure is to be considered as an exemplification of the invention and is not intended to limit the invention to the embodiments illustrated in the drawings, in which:
FIG. 1 is a general view of an apparatus for laser welding aluminum sheets according to the present invention;
FIG. 2 is a schematic view showing the internal structure of an aluminum plate laser welding apparatus according to the present invention;
FIG. 3 is a schematic view of the structure of the auxiliary transfer mechanism;
FIG. 4 is a schematic structural view of the active feed mechanism;
fig. 5 is a schematic structural view of the welding mechanism.
In the figure: 1-cabinet, 2-discharge port, 3-workbench, 4-welding mechanism, 5-first vertical seat, 6-second vertical seat, 7-driven roller, 8-driving roller, 9-motor, 10-first plate, 11-first fixed seat, 12-first screw, 13-first turntable, 14-second plate, 15-bearing roller, 16-third plate, 17-second fixed seat, 18-second screw, 19-second turntable, 20-side press roller, 21-straight rod, 22-photoelectric sensor, 23-fourth plate, 24-cylinder, 25-fifth plate, 26-press roller, 27-third vertical seat, 28-lifting plate, 29-third screw, 30-third turntable, 31-assembly plate, 32-fourth screw, 33-fourth rotating disc, 34-protective door, 35-observation window, 36-handle, 37-air suction tube and 38-aluminum plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1 to 5, an aluminum plate laser welding device comprises a machine case 1, one side of the machine case 1 is provided with a feeding port (not shown, corresponding to the position of a discharging port 2, and having the same size), the other side is provided with a discharging port 2, a workbench 3 is arranged in the machine case 1, the left side and the right side above the workbench 3 are provided with active feeding mechanisms, the active feeding mechanism at one side of the feeding port brings in an aluminum plate 38, after processing, the active feeding mechanism at one side of the discharging port 2 brings out the aluminum plate 38, as shown in fig. 4, the active feeding mechanism comprises a first vertical seat 5 and a second vertical seat 6, the first vertical seat 5 is rotatably provided with a driven roller 7, the second vertical seat 6 is rotatably provided with a driving roller 8, the driving roller 8 is connected with a motor 9, when the motor 9 is started, the driving roller 8 is driven to rotate, so that the aluminum plate 38 can be brought into between, be provided with first plate body 10 in the below of the second seat 6, the second seat 6 sliding connection is on first plate body 10 found, the front end of first plate body 10 is provided with first fixing base 11, first plate body 10 and first fixing base 11 welded fastening are on workstation 3, it is provided with first screw rod 12 to rotate on the first fixing base 11, first screw rod 12 stands seat 6 threaded connection with the second, the tip of first screw rod 12 is provided with first carousel 13, rotate first carousel 13, can drive first screw rod 12 and rotate, thereby can drive the second and stand seat 6 and slide movement at first plate body 10, thereby control the distance between drive roll 8 and the driven roll 7, use with the aluminum plate 38 that adapts to different thickness.
A bearing mechanism is arranged between the two side driving feeding mechanisms, the bearing mechanism comprises a second plate body 14, a plurality of bearing rollers 15 are arranged on the second plate body 14 in a rotating mode, the arrangement direction of the bearing rollers 15 is the same as the transmission direction of the aluminum plate 38, and the bearing rollers 15 are used for bearing the aluminum plate 38 to move, so that the aluminum plate 38 can smoothly convey; the front side and the rear side of the bearing mechanism are provided with auxiliary conveying mechanisms, each auxiliary conveying mechanism comprises a third plate body 16, the third plate body 16 is connected to the workbench 3 in a sliding mode, the front end of the third plate body 16 is provided with a second fixed seat 17, the lower end of the second fixed seat 17 is welded and fixed to the workbench 3, a second screw 18 is arranged on the second fixed seat 17 in a rotating mode, the second screw 18 is in threaded connection with the third plate body 16, the end portion of the second screw 18 is provided with a second rotating disc 19, and a side pressing roller 20 is arranged on the third plate body 16 in a vertically rotating mode; the workbench 3 is further provided with a welding mechanism, the welding mechanism comprises a third vertical base 27, the lower end of the third vertical base 27 is fixedly connected to the workbench 3 through bolts, the third vertical base 27 is provided with a lifting plate 28, the lifting plate 28 is vertically and slidably connected to the third vertical base 27, the third vertical base 27 is provided with a third screw 29, the lifting plate 28 is in threaded connection with the third screw 29, the end part of the third screw 29 is provided with a third turntable 30, the lifting plate 28 is transversely and slidably provided with an assembling plate 31 for installing a welding gun, the lifting plate 28 is rotatably provided with a fourth screw 32, the fourth screw 32 is in threaded connection with the assembling plate 31, the end part of the fourth screw 32 is provided with a fourth turntable 33, after the welding gun is installed on the assembling plate 31, the fourth turntable 33 is rotated to drive the fourth screw 32 to rotate, so that the left and right movement of the assembling plate 31 can be controlled, and then when the third turntable 30 is rotated, by controlling the rotation of the third screw 29, the up-and-down movement of the lifting plate 28 can be controlled, so that the welding gun can be controlled to move in four directions, i.e., up, down, left and right, to adjust the position of the welding gun according to the height and thickness of the aluminum plate 38.
Be provided with a plurality of straight-bars 21 by side pressure roller 20, the lower extreme welding of straight-bar 21 is on workstation 3, straight-bar 21 distributes in aluminum plate 38 direction of transfer's front and back both sides, be provided with photoelectric sensor 22 on the straight-bar 21 of both sides, photoelectric sensor 22 is used for detecting whether aluminum plate 38 targets in place in the data send process, the numerical value that photoelectric sensor 22 of current back both sides detected is different, it takes place the lateral deviation to prove aluminum plate 38, can transmit the alarm with photoelectric sensor 22 electric connection, the alarm sends out the police dispatch newspaper, indicate operating personnel.
The upper end of the straight rod 21 is provided with a fourth plate body 23, the fourth plate body 23 is provided with an air cylinder 24, the end portion of a piston rod of the air cylinder 24 is connected with a fifth plate body 25, a pressing roller 26 is arranged on the fifth plate body 25 in a rotating mode, the arrangement direction of the pressing roller 26 is the same as the transmission direction of the aluminum plates 38, the fifth plate body 25 and the lifting of the pressing roller 26 can be controlled through the air cylinder 24, the pressing roller 26 presses the aluminum plates 38 from the top, tight adhesion between the upper adjacent aluminum plates 38 and the lower adjacent aluminum plates 38 is achieved, the size of a gap is reduced, and the improvement of.
A protective door 34 is arranged on the case 1 in a sliding manner, an observation window 35 is arranged on the protective door 34, the observation window 35 can be made of toughened glass or PVC materials, the internal condition of the case 1 can be observed, a handle 36 is arranged on the protective door 34, and the protective door 34 can be conveniently pulled left and right to be opened and closed by holding the handle 36; be provided with the convulsions section of thick bamboo 37 at the top of quick-witted case 1, convulsions section of thick bamboo 37 can be used for being connected with outside negative pressure air extraction equipment to heat and waste gas that produce when will welding are taken away, help the heat dissipation in quick-witted case 1 and keep the air fresh.
Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides an aluminum plate laser welding equipment, its characterized in that, includes quick-witted case, one side of machine case is provided with the pan feeding mouth, and the opposite side is provided with the discharge gate, the machine incasement is provided with the workstation, the left and right sides of workstation top is provided with initiative feeding mechanism, both sides be provided with between the initiative feeding mechanism and bear the mechanism, both sides are provided with supplementary transport mechanism around bearing the mechanism, still be provided with welding mechanism on the workstation.
2. The aluminum plate laser welding equipment of claim 1, wherein the driving feeding mechanism comprises a first vertical seat and a second vertical seat, the first vertical seat is provided with a driven roller in a rotating manner, the second vertical seat is provided with a driving roller in a rotating manner, the driving roller is connected with a motor, a first plate body is arranged below the second vertical seat, the second vertical seat is connected to the first plate body in a sliding manner, a first fixing seat is arranged at the front end of the first plate body, the first fixing seat is fixedly connected to the workbench, a first screw rod is arranged on the first fixing seat in a rotating manner, the first screw rod is in threaded connection with the second vertical seat, and a first rotary disc is arranged at the end of the first screw rod.
3. The aluminum plate laser welding equipment according to claim 1, wherein the bearing mechanism comprises a second plate body, a plurality of bearing rollers are rotatably arranged on the second plate body, and the arrangement direction of the bearing rollers is the same as the transmission direction of the aluminum plate.
4. The aluminum plate laser welding equipment of claim 1, wherein the auxiliary conveying mechanism comprises a third plate body, the third plate body is connected to the workbench in a sliding mode, a second fixing seat is arranged at the front end of the third plate body, a second screw rod is arranged on the second fixing seat in a rotating mode, the second screw rod is in threaded connection with the third plate body, a second rotating disc is arranged at the end portion of the second screw rod, and a lateral pressing roller is arranged on the third plate body in a vertically rotating mode.
5. The aluminum plate laser welding device according to claim 4, wherein a plurality of straight bars are arranged beside the side pressing roller, the lower ends of the straight bars are fixedly connected to the workbench, and photoelectric sensors are arranged on the straight bars.
6. The aluminum plate laser welding equipment according to claim 5, wherein a fourth plate body is arranged at the upper end of the straight rod, an air cylinder is arranged on the fourth plate body, the end part of a piston rod of the air cylinder is connected with a fifth plate body, a pressing roller is rotatably arranged on the fifth plate body, and the arrangement direction of the pressing roller is the same as the transmission direction of the aluminum plate.
7. The aluminum plate laser welding equipment of claim 1, wherein the welding mechanism comprises a third vertical base, the lower end of the third vertical base is fixedly connected to the workbench, a lifting plate is arranged on the third vertical base, the lifting plate is vertically and slidably connected to the third vertical base, a third screw is arranged on the third vertical base, the lifting plate is in threaded connection with the third screw, and a third rotary table is arranged at the end of the third screw.
8. The aluminum plate laser welding equipment according to claim 7, wherein a mounting plate for mounting a welding gun is arranged on the lifting plate in a transverse sliding manner, a fourth screw is arranged on the lifting plate in a rotating manner, the fourth screw is in threaded connection with the mounting plate, and a fourth turntable is arranged at the end of the fourth screw.
9. The aluminum plate laser welding equipment according to any one of claims 1 to 8, wherein a protective door is slidably arranged on the case, an observation window is arranged on the protective door, and a handle is arranged on the protective door.
10. The aluminum plate laser welding device according to claim 9, wherein a ventilation barrel is arranged at the top end of the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010911890.7A CN112643196A (en) | 2020-09-02 | 2020-09-02 | Aluminum plate laser welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010911890.7A CN112643196A (en) | 2020-09-02 | 2020-09-02 | Aluminum plate laser welding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112643196A true CN112643196A (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010911890.7A Pending CN112643196A (en) | 2020-09-02 | 2020-09-02 | Aluminum plate laser welding equipment |
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| CN (1) | CN112643196A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009026808A1 (en) * | 2007-08-29 | 2009-03-05 | Shenyang Institute Of Automation Of The Chinese Academy Of Sciences | Apparatus of laser stitch welding for large scale sheets |
| CN104226839A (en) * | 2014-10-10 | 2014-12-24 | 重庆腾田科技发展有限公司 | Roller synchronous feeding device |
| CN107363405A (en) * | 2017-06-21 | 2017-11-21 | 上海交通大学 | High-strength steel construction piece sheet laser tailor-welding system |
| CN107520356A (en) * | 2017-09-18 | 2017-12-29 | 苏州吴江春宇电子股份有限公司 | A kind of feeding structure of high-precision punching cutting means |
| CN109940405A (en) * | 2019-04-26 | 2019-06-28 | 江苏扬力数控机床有限公司 | A kind of campaign-styled coiled strip laser cutting production line of plate |
| CN210046160U (en) * | 2019-12-27 | 2020-02-11 | 佛山市富兰激光科技有限公司 | Laser welding machine |
-
2020
- 2020-09-02 CN CN202010911890.7A patent/CN112643196A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009026808A1 (en) * | 2007-08-29 | 2009-03-05 | Shenyang Institute Of Automation Of The Chinese Academy Of Sciences | Apparatus of laser stitch welding for large scale sheets |
| CN104226839A (en) * | 2014-10-10 | 2014-12-24 | 重庆腾田科技发展有限公司 | Roller synchronous feeding device |
| CN107363405A (en) * | 2017-06-21 | 2017-11-21 | 上海交通大学 | High-strength steel construction piece sheet laser tailor-welding system |
| CN107520356A (en) * | 2017-09-18 | 2017-12-29 | 苏州吴江春宇电子股份有限公司 | A kind of feeding structure of high-precision punching cutting means |
| CN109940405A (en) * | 2019-04-26 | 2019-06-28 | 江苏扬力数控机床有限公司 | A kind of campaign-styled coiled strip laser cutting production line of plate |
| CN210046160U (en) * | 2019-12-27 | 2020-02-11 | 佛山市富兰激光科技有限公司 | Laser welding machine |
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Application publication date: 20210413 |