CN106624362A - Cup joint hollow copper pipe manufacturing method and device based on laser cutting and welding - Google Patents
Cup joint hollow copper pipe manufacturing method and device based on laser cutting and welding Download PDFInfo
- Publication number
- CN106624362A CN106624362A CN201710016905.1A CN201710016905A CN106624362A CN 106624362 A CN106624362 A CN 106624362A CN 201710016905 A CN201710016905 A CN 201710016905A CN 106624362 A CN106624362 A CN 106624362A
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- laser
- hollow copper
- cylinder
- welding
- copper core
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 205
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 116
- 239000010949 copper Substances 0.000 title claims abstract description 116
- 238000003466 welding Methods 0.000 title claims abstract description 99
- 238000003698 laser cutting Methods 0.000 title claims abstract description 69
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000005219 brazing Methods 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 11
- 230000004927 fusion Effects 0.000 claims abstract description 6
- 229910000679 solder Inorganic materials 0.000 claims description 56
- 230000033001 locomotion Effects 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 2
- 239000000945 filler Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a cup joint hollow copper pipe manufacturing method based on laser cutting and welding. The cup joint hollow copper pipe manufacturing method includes the following steps that one end of a hollow copper core is inserted into a hollow copper pipe; an electronic optical shutter beam splitter is connected to the output end of a laser device; welding laser beams are output to conduct fixed point welding; cutting laser beams are output to cut off the hollow copper core; a pipe side end laser circumferential weld of a cup joint section is welded; the cup joint section continuously rotates at a constant speed, and fusion brazing filler metal is controlled to drop into a core side end of the cup joint section from a flow guide pipe in an inclined manner; welding laser beams are output, and laser fusion brazing is achieved; the hollow copper pipe with one welded end is overturned horizontally by 180 degrees; and the above steps are repeatedly executed, and welding of the other end of the hollow copper pipe is completed. A cup joint section welding connector obtained through the method comprises the high-quality pipe side end laser circumferential weld and one smooth laser fusion soldered seam, the problem that leakage is easy is solved, and the sufficient overall strength mechanical property of the cup joint connector is guaranteed. The invention further provides a cup joint hollow copper pipe manufacturing device.
Description
Technical field
The invention belongs to industrial automation, and in particular to it is a kind of based on laser cutting and welding socket hollow copper tubing
Preparation method and device.
Background technology
With the technology development and the further strict control of environmental regulation of air-conditioning and refrigeration industry, heat exchange unit is improved
The coefficient of heat transfer of itself, is to improve the overall heat exchange performance of heat exchanger, make up system caused by alternative refrigerant self reason institute
The necessary means of the reduction of cold performance.Refrigeration performance decline is had based on existing cold-producing medium and is not developed yet effectively
Research object is switched to the basic element of character-heat exchanger element of air-conditioning and refrigeration for Substitute Working Medium, relevant enterprise and scientific research institution, i.e.,
Hollow copper tubing, by the heat exchange property for improving hollow copper tubing, can effectively solving the problems referred to above.
The copper pipe of air conditioner refrigerating mostly is the hollow copper core of thin-walled minor diameter, as shown in figure 1, to provide buffering to cold-producing medium flowing
Area, lifts refrigeration, is typically designed one section of bigger hollow copper tubing region of caliber, and manufacture is in 1201 liang of hollow copper tubing
Side is socketed respectively hollow copper core 1202, and hollow copper core 1202 coordinates with the gap of hollow copper tubing 1201, to prevent cold-producing medium from flowing through sky
Heart copper pipe is leaked, then carry out hollow copper core 1202 and hollow copper tubing 1201 being socketed boxing process, so both ensure that sky
The sealing of heart copper pipe 1201, and convenient refrigerant used circulation.
Welding means common at present have argon arc welding, high frequency induction welding and soldering.Argon arc welding is that one kind relies primarily on electricity
Arc adds heat fusing mother metal that the welding manner of metallurgical reaction occurs, and weld seam is difficult to be made tiny, and welding heat affected zone is larger so that its
It is generally used for the socket hollow copper tubing of large scale, wall thickness more than 1mm to weld, and it is hollow to be not suitable for tiny, thin-walled the socket of welding
Copper pipe；High frequency induction welding is the main method of welding socket hollow copper tubing, but because gap when different tube diameters copper pipe is socketed is matched somebody with somebody
Property is closed, both kelvin effects are asynchronous with approach effect in its welding process so that the mother metal of local melting easily leads to
Cross gap stream and enter copper pipe and be internally formed that weldering is stifled, surface contaminants cleaning is not totally also easy to cause weld porosity, during military service easily
Generation is leaked and problem of Cracking, while the technological parameter of welding is difficult setting, significantly limit production efficiency and quality；For pricker
, then there is welding joint mechanical property poor, it is difficult to ensure the deficiency of sealing in weldering, directly affects the repetition of welding quality
Property, easily there is the problems such as crackle, leakage during military service.
Laser welding is a kind of high-quality welding technology for quickly growing in recent years, and its hot spot is tiny so that weld seam
Extremely narrow, welding heat affected zone is minimum, becomes many high-accuracy, high-quality welding first-selected techniques.But for the overlap joint of socket pipe
For weldering, enough seam areas are required in itself due to its welding structure to ensure telescopic lap splice bulk strength mechanical property, it is single
Road laser welding cannot meet requirement, need multiple tracks built-up welding, and this is caused, and technique is loaded down with trivial details, cost is raised, and limits laser welding and exists
The application in this field.
The content of the invention
The present invention be directed to above-mentioned the deficiencies in the prior art, there is provided it is a kind of based on laser cutting and welding socket hollow copper
Tube preparation method；Simultaneously present invention also offers a kind of based on laser cutting and the socket hollow copper tubing preparation facilities of welding.
The present invention is achieved through the following technical solutions：
It is a kind of based on laser cutting and welding socket hollow copper tubing preparation method, comprise the steps：
(1) clamping hollow copper tubing；
(2) by one end insertion hollow copper tubing of hollow copper core, both gaps coordinate；
(3) top for being socketed section in hollow copper core and hollow copper tubing arranges solder conveying device；
(4) output end in laser instrument connects electronic shutter beam splitter, for the beam of laser timesharing for exporting in laser instrument
Two-way is exported, all the way for cutting off longer hollow copper core, another road is used for laser welding；
(5) output welding laser beam, focuses on hollow copper core and is socketed the tube side end position of section with hollow copper tubing, is fixed
Spot welding, for preliminary fixation hollow copper core and the relative position of hollow copper tubing；
(6) output cutting laser beam, according to the length requirement of workpiece, using the hollow copper core of laser cutting, and in copper core
Balance is kept in support member；
(7) output welding laser beam, drives hollow copper core at the uniform velocity to rotate together with hollow copper tubing by servomotor so that
Focus on laser beam to enclose along the tube side end position scanning one that hollow copper core and hollow copper tubing are socketed section, make hollow copper tubing and hollow copper
Core realizes melting seam and fusion penetration is less than hollow copper in-core wall, and the pipe of section is socketed with hollow copper tubing so as to obtain hollow copper core
Side laser girth joint；
(8) it is socketed section to continue at the uniform velocity to rotate, controls molten solder and the core side for instilling socket section, cocurrent are inclined from mozzle
Enter the gap between hollow copper core and hollow copper tubing；Output welding laser beam, makes focusing laser beam act on set in out of focus mode
Section and molten solder intersection are connect, so as to realize laser welding-brazing；
(9) the hollow copper tubing flip horizontal 180 degree for completing one end welding, makes unwelded end and the feeding of hollow copper tubing
Hollow copper core position is relative；
(10) repeat step (2)-(8), complete the welding of the hollow copper tubing other end.
The present invention also provides a kind of socket hollow copper tubing preparation facilities, including workbench simultaneously, and installed in work
Clamping rotary components, loading assemblies, rotation take-off assembly on platform, molten brazed assembly, copper core support component, laser welding group
Part, laser assembly, aligning device assembly, laser cutting component and hopper；
The clamping rotary components include that servomotor, motor support base, flange, the gentle cleft hand of three-jaw cylinder refer to, servo electricity
Machine is installed on the table by motor support base, and three-jaw cylinder coordinates coaxial assembling, gas cleft hand to refer to by flange and servomotor
It is installed on three-jaw cylinder, both constitute clamping structure for clamping hollow copper tubing；
The loading assemblies include vibrating disk, feeding support, two chutes and two elastic interstage sleeves, the feeding support
Bottom is installed on the table, and described two chutes are separated by a distance to be vertically installed on feeding support；Two elasticity gears
Set is separately mounted to the end of two chutes；The output end of vibrating disk extends to the position of two groups of chutes；Hollow copper tubing Jing vibrates
Disk is delivered at two chutes, and two chutes of Jing are fallen between two elastic interstage sleeves；
The rotation take-off assembly includes X to cylinder, guide-rail plate, cylinder fixed seat, X to slide rail, embedded fastener, movement
Plate, band guide rail cylinder, adaptor, rotary cylinder fixed plate, rotary cylinder, two pawl cylinders, pneumatic-finger and Y-direction cylinder；It is described
Guide-rail plate, X are to cylinder, movable plate, cylinder fixed seat, X to slide rail and embedded fastener composition X-direction travel mechanism, the guide rail
Plate is fixedly mounted on the table by screw；The both sides of guide-rail plate arrange fluted, and movable plate is assemblied in the groove, with
Guide rail sheet separation coordinates, and both organize kinematic pair in line；X to cylinder is fixedly mounted on movable plate by cylinder fixed seat；X
It is fixedly mounted on movable plate to slide rail；Embedded fastener is arranged on X to slide rail, with X to slide rail group kinematic pair in line；X to
The motion end of cylinder is connected with embedded fastener, for driving embedded fastener to move along a straight line to slide rail along X；
The adaptor and Y-direction cylinder composition Y-direction travel mechanism, the Y-direction cylinder is fixedly mounted on work by support
Make on platform, adaptor is connected with the motion end of Y-direction cylinder, adaptor is connected with the embedded fastener in X-direction travel mechanism simultaneously；
Y-direction cylinder can drive adaptor and embedded fastener, and then drive guide-rail plate to move along a straight line along the groove of guide-rail plate both sides；Band
Guide rail cylinder is arranged on embedded fastener, and the guide rail direction with guide rail cylinder is along Z-direction；
The rotary cylinder fixed plate, rotary cylinder, two pawl cylinders, two pneumatic-fingers constitute ° rotating mechanism, rotary pneumatic
Cylinder fixed plate is fixedly mounted in band guide rail cylinder, is synchronized with the movement with band guide rail cylinder；Rotary cylinder is solid installed in rotary cylinder
In fixed board, two pawl cylinders are arranged on the motion end of rotary cylinder, can do a ° rotary motion under the driving of two pawl cylinders；Two gas
Start to refer to and be arranged on two pawl cylinders, both coordinate achievable gripping action；
The molten brazed assembly includes that solder cylinder, solder support, container fixed plate, solder conveying device, conveying are installed
Frame and splicing container, solder cylinder is arranged on solder support, and the container fixed plate coordinates peace with the piston rod of solder cylinder
Dress, by its up and down motion of solder air cylinder driven；Solder conveying device is arranged in container fixed plate by conveying installing rack, solder
The built-in solder powder of epicoele container of conveying device；Splicing container is axially provided with two U-shaped through holes along socket copper pipe, to guarantee set
Connect copper pipe to pass through, be socketed the center that section is located at splicing container；
The copper core support component includes base, supports cylinder, U-shaped adaptor and copper core support member；The copper core is supported
Part is coordinated by U-shaped adaptor with the actuating strut for supporting cylinder to be installed, and supports cylinder to be fixed on base, and base is fixed on work
On platform；Two relative supporting vertical plates are provided with the copper core support member, the top of the supporting vertical plate is provided with for propping up
Support the groove of hollow copper core；
The laser welding component includes laser welding system, angle-regulating block, electronic module, fixed plate and portal frame, institute
State laser welding system and installation is coordinated by angle-regulating block and electronic module, and then laser welding system processing focal length can be realized
Adjustment；Electronic module is arranged on portal frame by fixed plate, and the portal frame two ends are installed on the table；
The laser assembly includes laser instrument, laser stent and beam splitter, and laser instrument is supported by laser stent
Install on the table, electronic shutter beam splitter is connected to the output end of laser instrument, two output ends of electronic shutter beam splitter
It is connected with laser cutting head and laser welding system by optical fiber respectively；
The aligning device assembly includes multiple rollers that multiple roller Height Adjustment rocking bars and two rows are crisscross arranged, institute
Roller Height Adjustment rocking bar is stated for the distance between the row's of regulation roller and lower roll；The hollow copper core is from two rows
Pass through between roller, realize aligning and feeding；
The laser cutting component includes laser cutting head base, laser cutting head drive cylinder, I shape adaptor, T
Shape connector, laser cutting head, T-shaped bearing and laser cutting head slide rail, the laser cutting head floor installation on the table,
Laser cutting head drive cylinder is arranged on laser cutting head base, and laser cutting head is connected by I shape adaptor and T-shaped
Part coordinates with the motion end of laser cutting head drive cylinder to be installed, and laser cutting head is arranged on T-shaped bearing, and T-shaped bearing is installed
On laser cutting head slide rail, laser cutting head can be under the driving of laser cutting head drive cylinder along laser cutting head slide rail
Move back and forth.
The present invention has the advantages that：
1st, the present invention is combined with each other two kinds of processes of laser welding and molten soldering, and first with laser welding section is socketed
Tube side end obtains laser girth joint, afterwards while control socket section rotates, by solder conveying device by molten solder edge
Mozzle is contacted at a certain angle with speed and infiltrates socket section, and then laser acts on solder and connects with socket section in out of focus mode
Laser welding-brazing is realized in tactile position, and the brazed seam surface for being obtained is smooth without scaling loss.Connect so as to efficiently solve traditional simple soldering
Head mechanical property is poor, and sealing is not enough, the repeatability of welding quality, and the problems such as crackle, leakage easily occurs during military service；
2nd, hollow copper tubing-hollow copper core retainer plate that the present invention is obtained connects section welding point and swashs including a high-quality tube side end
The smooth laser welding-brazing weld seam of light girth joint and one, one side high-quality laser girth joint ensure that the sealing of socket section
Property, easy leakage problem is solved, on the other hand smooth laser welding-brazing weld seam provides enough seam areas, it is ensured that enough
Telescopic lap splice bulk strength mechanical property, solve be on active service during stress problem of Cracking；
3rd, the present invention obtains socket section girth joint first with laser, and then laser acts on socket Duan Yurong in out of focus mode
Melt solder junction, can not only effectively improve the absorptivity of laser but also to realize joint welding surface smooth without scaling loss, than using single
Pure molten soldering or Laser Welding, joint design quality is good, stable performance；
4th, the present invention realizes that (a certain moment is only defeated to two-way by beam of laser timesharing output by electronic shutter beam splitter
Go out all the way, switching output automatically controlled by electronic shutter), all the way for cutting off longer hollow copper core, another road is used for laser
Welding, rationally cleverly by laser cutting together with solder bond so that the utilization rate of laser instrument is maximized, and saves manufacture
Cost.
5th, present invention also offers a kind of based on laser cutting and the socket hollow copper tubing preparation facilities of welding, the device one
Aspect realizes the Compound Machining of laser welding and two kinds of processes of laser welding-brazing, so as to obtain the excellent work of above-mentioned 1-4
Skill effect, on the other hand, the device includes a series of structures such as automation loading and unloading, workpiece turning, realize hollow copper tubing-
The full-automatic feeding of hollow copper core, blanking, socket assembling, laser cutting and the processing of laser welding-brazing composite welding, it is ensured that
The repeatability of welding procedure quality, substantially increases production efficiency, reduces production cost.
Description of the drawings
Fig. 1 is the overall structure figure of socket hollow copper tubing preparation facilities of the present invention；
Fig. 2 is the part-structure figure of socket hollow copper tubing preparation facilities of the present invention；
Fig. 3 is the structure chart of the workpiece after welding；
Fig. 4 is the structure chart for clamping rotary components；
Fig. 5 is the structure chart of loading assemblies；
Fig. 6 is the structure chart for rotating take-off assembly；
Fig. 7 is the structure chart of molten brazed assembly；
The structure chart of Fig. 8 copper core support components；
Fig. 9 is the structure chart of laser welding component；
Figure 10 is the structure chart of laser assembly；
Figure 11 positions laser beam splitter schematic diagram；
Figure 12 is the structure chart for aligning device assembly；
Figure 13 is the structure chart of laser cutting component.
The implication of each label is as follows in figure：
Workbench 1, clamping rotary components 2, loading assemblies 3, rotation take-off assembly 4, molten brazed assembly 5, copper core support group
Part 6, laser welding component 7, laser assembly 8, aligning device assembly 9, laser cutting component 10, hopper 11, workpiece 12, hollow copper
Pipe 1201, hollow copper core 1202, servomotor 201, motor support base 202, flange 203, three-jaw cylinder 204, gas cleft hand refer to 205,
Chute 301, feeding support 302, vibrating disk 303, X to cylinder 401, guide-rail plate 402, cylinder fixed seat 403, X to slide rail 404,
Embedded fastener 405, movable plate 406, band guide rail cylinder 407, adaptor 408, rotary cylinder fixed plate 409, rotary cylinder 410,
Two pawl cylinders 411, pneumatic-finger 412, Y-direction cylinder 413, solder cylinder 501, solder support 502, container fixed plate 503, solder
Conveying device 504, conveying installing rack 505, splicing container 506, base 601, support cylinder 602, connector 603, copper core are supported
Part 604, laser welding system 701, angle-regulating block 702, electronic module 703, fixed plate 704, portal frame 705, laser instrument 801,
Laser stent 802, beam splitter 803, roller Height Adjustment rocking bar 901, roll assembly 902, laser cutting head base 1001, swash
Light cutting head drive cylinder 1002, I shape adaptor 1003, T-connecting piece 1004, laser cutting head 1005, T-shaped bearing
1006th, laser cutting head slide rail 1007.
Specific embodiment
With reference to the accompanying drawings and detailed description the present invention will be further described in detail.
The invention provides it is a kind of socket hollow copper tubing laser preparation method, for by the both sides of hollow copper tubing 1201 with it is straight
The smaller hollow copper core 1202 in footpath realizes socket assembling and the hollow copper core 1202 of sealing welding, forms workpiece 12.The method is concrete
Comprise the steps：
(1) clamping hollow copper tubing 1201；
(2) by one end insertion hollow copper tubing 1201 of hollow copper core 1202, both gaps coordinate, and gap width 0.01mm～
0.3mm, is socketed length 2mm～10mm；
(3) top for being socketed section in hollow copper core 1102 and hollow copper tubing 1101 arranges solder conveying device, the solder
Conveying device is used for transporting molten solder and it is flowed out from mozzle；
(4) output end in laser instrument connects electronic shutter beam splitter, for the beam of laser timesharing for exporting in laser instrument
Two-way (a certain moment only exports all the way, and by electronic shutter switching output is automatically controlled) is exported, it is longer for cutting off all the way
Hollow copper core, another road is used for laser welding；Two laser beams pass through optical fiber output；
(5) output welding laser beam, focuses on hollow copper core 1202 and is socketed the tube side end position of section with hollow copper tubing 1201
(leaning on copper pipe side), is fixed spot welding, for preliminary fixation hollow copper core 1202 and the relative position of hollow copper tubing 1201；
(6) output cutting laser beam, according to the length requirement of workpiece, using the hollow copper core 1202 of laser cutting, and in copper
Balance is kept on core support member 1004；
(7) output welding laser beam, by servomotor drive hollow copper core 1202 together with hollow copper tubing 1201 at the uniform velocity
Rotation so that focus on laser beam and enclose along the tube side end position scanning one that hollow copper core 1202 and hollow copper tubing 1201 are socketed section,
By setting appropriate technological parameter (laser power, defocusing amount, copper pipe rotary speed), the control of laser overlaying welding depth is realized,
Namely make hollow copper tubing 1201 with the realization of hollow copper core 1202 melting seam and fusion penetration is (non-to wear less than hollow copper in-core wall
Type built-up welding thoroughly), it is socketed the tube side end laser girth joint of section with hollow copper tubing 1201 so as to obtain hollow copper core 1202；
(8) it is socketed section to continue at the uniform velocity to rotate, controls molten solder and (lean on copper from the core side that mozzle inclines instillation socket section
Core side), and flow into the gap between hollow copper core 1202 and hollow copper tubing 1201；Output welding laser beam, makes focusing laser
Beam acts on socket section and molten solder intersection in out of focus mode, so as to realize laser welding-brazing.
(9) the flip horizontal 180 degree of hollow copper tubing 1201 for completing one end welding, makes the unwelded end of hollow copper tubing 1201
It is relative with the position of hollow copper core 1202 of feeding；
(10) repeat step (2)-(8), complete the welding of the other end of hollow copper tubing 1201.
Present invention also offers a kind of socket hollow copper tubing preparation facilities for realizing said method, such as Fig. 1-12 institutes
Show, the device specifically includes workbench 1, and the clamping rotary components 2 on workbench 1, loading assemblies 3, rotation take
Material component 4, molten brazed assembly 5, copper core support component 6, laser welding component 7, laser assembly 8, aligning device assembly 9, laser
Cutting assembly 10 and hopper 11.
The clamping rotary components 2 are used for clamping hollow copper tubing 1201, and realize the rotary motion of hollow copper tubing 1201.Institute
Loading assemblies 3 are stated for the hollow copper tubing 1201 of fixed length in vibrating disk to be delivered into feeding station.The rotation take-off assembly 4 is used
Grip to welding post in the hollow copper tubing 1201 by feeding station, and realize the rotary motion of hollow copper tubing 1201.It is described
Molten brazed assembly 5 is used for transporting molten solder, and realizes laser welding-brazing with the cooperation of laser welding component.The copper core support group
The hollow copper core 1202 that part 6 is used for after support cut so as to keep balance.The laser assembly 8 is used for different laser beams
Output, is respectively configured to provide laser welding and laser cutting.The aligning device assembly 9 is used to align hollow copper core 1202, and will
Hollow copper core 1202 is delivered to welding post.The laser cutting component 10 is used to cut off hollow copper core after welding terminates
1202.The hopper 11 is used to collect the workpiece 12 formed after welding.
The clamping rotary components 2 include that servomotor 201, motor support base 202, flange 203, three-jaw cylinder 204 are gentle
Cleft hand refers to 205, and servomotor 201 is arranged on workbench 1 by motor support base 202, three-jaw cylinder 204 by flange 203 with
Servomotor 201 coordinates coaxial assembling, gas cleft hand to refer to that 205 are installed on three-jaw cylinder 204, and both constitute clamping structure for filling
Folder hollow copper tubing 1201.
The loading assemblies 3 include vibrating disk 303,302, two chutes 301 of feeding support and two elastic interstage sleeves, described
The bottom of feeding support 302 be arranged on workbench 1 on, described two chutes 301 it is separated by a distance be vertically installed at feeding
On support 302；Two elastic interstage sleeves are separately mounted to the end of two chutes 301；The output end of vibrating disk 303 extends to two groups
The position of chute 301；The Jing vibrating disks 303 of hollow copper tubing 1201 are delivered at two chutes 301, and two chutes 301 of Jing fall into two
Between individual elastic interstage sleeve (this position is feeding station).
The rotation take-off assembly 4 includes X to cylinder 401, guide-rail plate 402, cylinder fixed seat 403, X to slide rail 404, embedding
Enter fastener 405, movable plate 406, band guide rail cylinder 407, adaptor 408, rotary cylinder fixed plate 409, rotary cylinder 410, two
Pawl cylinder 411, pneumatic-finger 412 and Y-direction cylinder 413.The guide-rail plate 402, X to cylinder 401, movable plate 406, cylinder are fixed
Seat 403, X to slide rail 404 and the composition X-direction of embedded fastener 405 travel mechanism, the guide-rail plate 402 are fixedly mounted by screw
On workbench 1；The both sides of guide-rail plate 402 arrange fluted, and movable plate 406 is assemblied in the groove, between guide-rail plate 402
Gap coordinates, and both organize kinematic pair in line；X to cylinder 401 is fixedly mounted on movable plate 406 by cylinder fixed seat 403；
X to slide rail 404 is fixedly mounted on movable plate 406；Embedded fastener 405 is arranged on X to slide rail 404, constitutes to slide rail 404 with X
One straight line kinematic pair；X to the motion end of cylinder 401 is connected with embedded fastener 405, for driving embedded fastener 405 along X to slide rail
404 move along a straight line.
The adaptor 408 and the composition Y-direction of Y-direction cylinder 413 travel mechanism, the Y-direction cylinder 413 is fixed by support
On workbench 1, adaptor 408 is connected with the motion end of Y-direction cylinder 413, adaptor 408 simultaneously with X-direction moving machine
Embedded fastener 405 in structure connects；Y-direction cylinder 413 can drive adaptor 408 and embedded fastener 405, and then drive guide-rail plate
402 move along a straight line along the groove of the both sides of guide-rail plate 402.Band guide rail cylinder 407 is arranged on embedded fastener 405, band guide rail
The guide rail direction of cylinder 407 is along Z-direction.
The rotary cylinder fixed plate 409, rotary cylinder 410, two pawl cylinders, 411, two pneumatic-fingers 412 constitute 180 °
Rotating mechanism, rotary cylinder fixed plate 409 is fixedly mounted in band guide rail cylinder 407, is synchronized with the movement with band guide rail cylinder 407；
Rotary cylinder 410 is arranged in rotary cylinder fixed plate 409, and two pawl cylinders 411 are arranged on the motion end of rotary cylinder 410, can
180 ° of rotary motions are done under the driving of two pawl cylinders 411；Two pneumatic-fingers 412 are arranged on two pawl cylinders 411, Liang Zhepei
Close and be capable of achieving gripping action.
The molten brazed assembly 5 includes solder cylinder 501, solder support 502, container fixed plate 503, solder conveying device
504th, installing rack 505 and splicing container 506 are conveyed, solder cylinder 501 is arranged on solder support 502, the container fixed plate
503 coordinate installation with the piston rod of solder cylinder 501, drive it to move up and down by solder cylinder 501.Solder conveying device 504
It is arranged in container fixed plate 503 by conveying installing rack 505, the built-in solder powder of epicoele container of solder conveying device 504,
The built-in heating coil of interlayer and mechanical vibration member, can be heated to solder powder and be vibrated respectively, and bottom is provided with flow control
Valve processed and the mozzle horizontal by certain angle, molten solder can flow out from mozzle.Splicing container 506 is along socket copper
Pipe is axially provided with two U-shaped through holes, to guarantee that being socketed copper pipe passes through, and is socketed the center that section is located at splicing container 506.
The copper core support component 6 includes base 601, supports cylinder 602, U-shaped adaptor 603 and copper core support member 604.
The copper core support member 604 is coordinated by U-shaped adaptor 603 with the actuating strut for supporting cylinder 602 to be installed, and supports cylinder 602 to consolidate
It is scheduled on base 601, base 601 is fixed on workbench 1.Two relative supports are provided with the copper core support member 604
Riser, the top of the supporting vertical plate is provided with the groove for supporting hollow copper core 1202.
The laser welding component 7 includes laser welding system 701, angle-regulating block 702, electronic module 703, fixed plate
704 and portal frame 705, the laser welding system 701 is coordinated by angle-regulating block 702 and electronic module 703 installs, Jin Erke
To realize that the adjustment of focal length is processed in laser welding system 701；Electronic module 703 is arranged on portal frame 705 by fixed plate 704,
The two ends of the portal frame 705 are arranged on workbench 1.
The laser assembly 8 includes laser instrument 801, laser stent 802 and beam splitter 803, and laser instrument 801 is by swashing
Light device support 802 is supported and is arranged on workbench 1, and electronic shutter beam splitter 803 is connected to the output end of laser instrument 801, electronics
Two output ends of optical gate beam splitter 803 are connected respectively by optical fiber with laser cutting head 1005 and laser welding system 701.
The aligning device assembly 9 includes multiple rollers that multiple roller Height Adjustment rocking bars 901 and two rows are crisscross arranged
Son 902, the roller Height Adjustment rocking bar 901 is used for the distance between the row's of regulation roller and lower roll.The hollow copper
Core 1202 realizes aligning and feeding from passing through between two rows roller.
The laser cutting component 10 includes laser cutting head base 1001, laser cutting head drive cylinder 1002, I-shaped
Type adaptor 1003, T-connecting piece 1004, laser cutting head 1005, T-shaped bearing 1006 and laser cutting head slide rail 1007, institute
Laser cutting head base 1001 is stated on workbench 1, laser cutting head drive cylinder 1002 is arranged on laser cutting head bottom
On seat 1001, laser cutting head 1005 is by I shape adaptor 1003 and T-connecting piece 1004 and laser cutting head drive gas
The motion end of cylinder 1002 coordinates to be installed, and laser cutting head 1005 is arranged on T-shaped bearing 1006, and T-shaped bearing 1006 is arranged on and swashs
On light cutting head slide rail 1007, laser cutting head 1005 can be cut under the driving of laser cutting head drive cylinder 1002 along laser
Cut a slide rail 1007 to move back and forth.
The course of work of the high-frequency induction laserHybrid welding connection device of above-mentioned socket hollow copper tubing is：
X-direction travel mechanism, Y-direction travel mechanism, 180 ° of rotating mechanisms and band guide rail cylinder in rotation take-off assembly 4
407 coordinate, and pneumatic-finger 412 is moved into the position (feeding station) that hollow copper tubing 1201 is located between two elastic interstage sleeves,
And hollow copper tubing 1201 is gripped using pneumatic-finger 412, and move to the position of hollow copper core 1202, make hollow copper core
In 1202 one end insertion hollow copper tubing 1201, feeding action is completed.Afterwards, the gas cleft hand for clamping rotary components 2 refers to 205 clampings
Hollow copper tubing 1201, pneumatic-finger 412 unclamps；Outgoing laser beam, focuses on hollow copper core 1202 and is socketed with hollow copper tubing 1201
The tube side end position (leaning on copper pipe side) of section, is fixed spot welding, for preliminary fixation hollow copper core 1202 and hollow copper tubing
1201 relative position；Then, according to the length requirement of workpiece, start drive cylinder 1002, cut using laser cutting head 1005
Disconnected hollow copper core 1202, and balance is kept on support member 604；Again outgoing laser beam, clamps rotary components 2 and drives hollow copper
Pipe 1201 at the uniform velocity rotates together with hollow copper core 1202 so that focus on laser beam along hollow copper core 1202 and hollow copper tubing 1201
The tube side end position scanning one of socket section is enclosed, and the tube side end that section is socketed so as to obtain hollow copper core 1202 and hollow copper tubing 1201 is swashed
Light girth joint.
Then, it is socketed section to continue at the uniform velocity to rotate, molten solder is inclined and instills socket by solder conveying device 504 from mozzle
The core side (leaning on copper core side) of section, and flow into the gap between hollow copper core 1202 and hollow copper tubing 1201；Outgoing laser beam,
Make focusing laser beam after solder instillation, socket section and molten solder intersection are acted in out of focus mode, so as to realize laser
Molten soldering.
After the welding of the side of hollow copper tubing 1201 is finished, unclamp gas cleft hand and refer to 205, clamp pneumatic-finger 412, control rotation
Cylinder 410 drives hollow copper tubing 1201 to rotate 180 °, carries out the welding of opposite side, treats that the both sides of hollow copper tubing 1201 are welded and finishes
Afterwards, rotate take-off assembly 4 to step back, gas cleft hand refers to 205 releases, and rotary cylinder 410 is rotated to horizontal level, and pneumatic-finger 412 is loose
Open, the workpiece 12 being welded is automatically fallen into hopper 11.
The present invention can change into that various ways are apparent to one skilled in the art, and such change is not considered as
Depart from the scope of the present invention.All such technical staff to the field obviously change, and are included within this right
Within the scope of requirement.
Claims (2)
1. it is a kind of based on laser cutting and welding socket hollow copper tubing preparation method, it is characterised in that comprise the steps：
(1) clamping hollow copper tubing (1201)；
(2) by one end insertion hollow copper tubing (1201) of hollow copper core (1202), both gaps coordinate；
(3) top for being socketed section in hollow copper core (1102) and hollow copper tubing (1101) arranges solder conveying device；
(4) output end in laser instrument connects electronic shutter beam splitter, for the beam of laser timesharing output for exporting in laser instrument
To two-way, all the way for cutting off longer hollow copper core, another road is used for laser welding；
(5) output welding laser beam, focuses on hollow copper core (1202) and is socketed the tube side end position of section with hollow copper tubing (1201),
Spot welding is fixed, for preliminary fixation hollow copper core (1202) and the relative position of hollow copper tubing (1201)；
(6) output cutting laser beam, according to the length requirement of workpiece, using the hollow copper core of laser cutting (1202), and in copper core
Balance is kept on support member (1004)；
(7) output welding laser beam, by servomotor drive hollow copper core (1202) together with hollow copper tubing (1201) at the uniform velocity
Rotation so that focus on the tube side end position scanning one that laser beam is socketed section along hollow copper core (1202) and hollow copper tubing (1201)
Circle, makes hollow copper tubing (1201) with hollow copper core (1202) realization melting seam and fusion penetration is less than hollow copper in-core wall, from
And obtain hollow copper core (1202) and be socketed the tube side end laser girth joint of section with hollow copper tubing (1201)；
(8) it is socketed section to continue at the uniform velocity to rotate, controls molten solder and incline the core side of instillation socket section from mozzle, and flows into sky
Gap between heart copper core (1202) and hollow copper tubing (1201)；Output welding laser beam, makes focusing laser beam in out of focus mode
Socket section and molten solder intersection are acted on, so as to realize laser welding-brazing；
(9) hollow copper tubing (1201) the flip horizontal 180 degree for completing one end welding, makes the unwelded end of hollow copper tubing (1201)
It is relative with hollow copper core (1202) position of feeding；
(10) repeat step (2)-(8), complete the welding of hollow copper tubing (1201) other end.
2. a kind of socket hollow copper tubing preparation facilities for realizing claim 1 methods described, it is characterised in that including work
Platform (1), and the clamping rotary components (2) on workbench (1), loading assemblies (3), rotation take-off assembly (4), molten pricker
Weldering component (5), copper core support component (6), laser welding component (7), laser assembly (8), aligning device assembly (9), laser are cut
Cut component (10) and hopper (11)；
Clamping rotary components (2) is including servomotor (201), motor support base (202), flange (203), three-jaw cylinder
(204) gentle cleft hand refers to (205), servomotor (201) by motor support base (202) on workbench (1), three-jaw cylinder
(204) coaxial assembling, gas cleft hand is coordinated to refer to that (205) are installed on three-jaw cylinder by flange (203) and servomotor (201)
(204) on, both constitute clamping structure for clamping hollow copper tubing (1201)；
The loading assemblies (3) include the elastic interstage sleeve of vibrating disk (303), feeding support (302), two chutes (301) and two,
The bottom of the feeding support (302) is arranged on workbench (1), separated by a distance vertical of described two chutes (301)
On feeding support (302)；Two elastic interstage sleeves are separately mounted to the end of two chutes (301)；Vibrating disk (303)
Output end extends to the position of two groups of chutes (301)；Hollow copper tubing (1201) Jing vibrating disks (303) are delivered to two chutes
(301) place, two chutes (301) of Jing are fallen between two elastic interstage sleeves；
Rotation take-off assembly (4) is including X to cylinder (401), guide-rail plate (402), cylinder fixed seat (403), X to slide rail
(404) fastener (405), movable plate (406), band guide rail cylinder (407), adaptor (408), rotary cylinder fixed plate, are embedded in
(409), rotary cylinder (410), two pawl cylinders (411), pneumatic-finger (412) and Y-direction cylinder (413)；The guide-rail plate
(402), X is to cylinder (401), movable plate (406), cylinder fixed seat (403), X to slide rail (404) and embedded fastener (405) group
Into X-direction travel mechanism, the guide-rail plate (402) is fixedly mounted on workbench (1) by screw；The two of guide-rail plate (402)
Side arranges fluted, and movable plate (406) is assemblied in the groove, coordinates with guide-rail plate (402) gap, and both organize in line
Kinematic pair；X to cylinder (401) is fixedly mounted on movable plate (406) by cylinder fixed seat (403)；X to slide rail (404) is solid
Dingan County is mounted on movable plate (406)；Embedded fastener (405), to slide rail (404), constitutes always with X installed in X to slide rail (404)
Line kinematic pair；X to the motion end of cylinder (401) is connected with embedded fastener (405), for driving embedded fastener (405) along X to cunning
Rail (404) moves along a straight line；
The adaptor (408) and Y-direction cylinder (413) composition Y-direction travel mechanism, the Y-direction cylinder (413) is solid by support
Dingan County is mounted on workbench (1), and adaptor (408) is connected with the motion end of Y-direction cylinder (413), and adaptor (408) is while and X
Embedded fastener (405) connection in the travel mechanism of direction；Y-direction cylinder (413) can drive adaptor (408) and embedded fastener
(405), so drive guide-rail plate (402) move along a straight line along the groove of guide-rail plate (402) both sides；Band guide rail cylinder (407)
On embedded fastener (405), the guide rail direction with guide rail cylinder (407) is along Z-direction；
The rotary cylinder fixed plate (409), rotary cylinder (410), two pawl cylinders (411), two pneumatic-finger (412) compositions
(180) ° rotating mechanism, rotary cylinder fixed plate (409) is fixedly mounted on band guide rail cylinder (407), with band guide rail cylinder
(407) it is synchronized with the movement；In rotary cylinder fixed plate (409), two pawl cylinders (411) are installed in rotation for rotary cylinder (410)
The motion end of rotaring cylinder (410), can do (180) ° rotary motion under the driving of two pawl cylinders (411)；Two pneumatic-fingers
(412) on two pawl cylinders (411), both coordinate achievable gripping action；
The molten brazed assembly (5) includes solder cylinder (501), solder support (502), container fixed plate (503), solder conveying
Device (504), conveying installing rack (505) and splicing container (506), solder cylinder (501) on solder support (502),
The container fixed plate (503) coordinates with the piston rod of solder cylinder (501) installs, and drives its upper and lower by solder cylinder (501)
Motion；Solder conveying device (504) by convey installing rack (505) in container fixed plate (503), solder conveying device
(504) the built-in solder powder of epicoele container；Splicing container (506) is axially provided with two U-shaped through holes along socket copper pipe, to guarantee
Socket copper pipe is passed through, and is socketed the center that section is located at splicing container (506)；
The copper core support component (6) includes base (601), support cylinder (602), U-shaped adaptor (603) and copper core support member
(604)；The copper core support member (604) is coordinated by U-shaped adaptor (603) with the actuating strut for supporting cylinder (602) installs,
Support cylinder (602) is fixed on base (601), and base (601) is fixed on workbench (1)；On the copper core support member (604)
Two relative supporting vertical plates are provided with, the top of the supporting vertical plate is provided with for supporting the recessed of hollow copper core (1202)
Groove；
The laser welding component (7) includes laser welding system (701), angle-regulating block (702), electronic module (703), fixation
Plate (704) and portal frame (705), the laser welding system (701) is matched somebody with somebody by angle-regulating block (702) with electronic module (703)
Close and install, and then can realize that the adjustment of focal length is processed in laser welding system (701)；Electronic module (703) is by fixed plate (704)
On portal frame (705), portal frame (705) two ends are arranged on workbench (1)；
The laser assembly (8) includes laser instrument (801), laser stent (802) and beam splitter (803), laser instrument (801)
Supported by laser stent (802) and be arranged on workbench (1), electronic shutter beam splitter (803) is connected to laser instrument (801)
Output end, two output ends of electronic shutter beam splitter (803) are respectively by optical fiber and laser cutting head (1005) and laser
Plumb joint (701) is connected；
Multiple rollers that aligning device assembly (9) is crisscross arranged including multiple roller Height Adjustment rocking bars (901) and two rows
Sub (902), the roller Height Adjustment rocking bar (901) is for adjusting the distance between upper row's roller and lower roll；The sky
Heart copper core (1202) realizes aligning and feeding from passing through between two rows roller；
The laser cutting component (10) includes laser cutting head base (1001), laser cutting head drive cylinder (1002), work
Font adaptor (1003), T-connecting piece (1004), laser cutting head (1005), T-shaped bearing (1006) and laser cutting head are slided
Rail (1007), the laser cutting head base (1001) on workbench (1), pacify by laser cutting head drive cylinder (1002)
It is mounted on laser cutting head base (1001), laser cutting head (1005) is by I shape adaptor (1003) and T-connecting piece
(1004) coordinate with the motion end of laser cutting head drive cylinder (1002) and install, laser cutting head (1005) is installed in T-shaped
On seat (1006), on laser cutting head slide rail (1007), laser cutting head (1005) can be in laser for T-shaped bearing (1006)
Move back and forth along laser cutting head slide rail (1007) under the driving of cutting head drive cylinder (1002).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710016905.1A CN106624362B (en) | 2017-01-10 | 2017-01-10 | A kind of socket hollow copper tubing preparation method and device based on laser cutting and welding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710016905.1A CN106624362B (en) | 2017-01-10 | 2017-01-10 | A kind of socket hollow copper tubing preparation method and device based on laser cutting and welding |
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| CN106624362A true CN106624362A (en) | 2017-05-10 |
| CN106624362B CN106624362B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975854A (en) * | 2017-05-12 | 2017-07-25 | 东莞市力星激光科技有限公司 | The annular pipe fitting connector system and insertion method of a kind of laser-beam welding machine |
| CN109822236A (en) * | 2019-04-04 | 2019-05-31 | 中国工程物理研究院机械制造工艺研究所 | It is a kind of for pipe cutting and the device of welding |
| CN110421257A (en) * | 2019-08-14 | 2019-11-08 | 苏州肯美特设备集成有限公司 | A kind of auxiliary device for laser welding |
| CN113547209A (en) * | 2021-07-14 | 2021-10-26 | 赵重 | Laser machine is used in metal tubular product processing with unloading connects gets structure |
| CN114769853A (en) * | 2022-04-19 | 2022-07-22 | 台州市圣西亚金刚石设备有限公司 | Laser welding device for annular welding |
| CN115647616A (en) * | 2022-09-15 | 2023-01-31 | 长沙大科激光科技有限公司 | Perforating method for thick plate laser cutting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106975854A (en) * | 2017-05-12 | 2017-07-25 | 东莞市力星激光科技有限公司 | The annular pipe fitting connector system and insertion method of a kind of laser-beam welding machine |
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| CN113547209A (en) * | 2021-07-14 | 2021-10-26 | 赵重 | Laser machine is used in metal tubular product processing with unloading connects gets structure |
| CN114769853A (en) * | 2022-04-19 | 2022-07-22 | 台州市圣西亚金刚石设备有限公司 | Laser welding device for annular welding |
| CN114769853B (en) * | 2022-04-19 | 2023-08-11 | 台州市圣西亚金刚石设备有限公司 | Laser welding device for ring welding |
| CN115647616A (en) * | 2022-09-15 | 2023-01-31 | 长沙大科激光科技有限公司 | Perforating method for thick plate laser cutting |
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Effective date of registration: 20200131 Address after: 325000 Zhejiang city of Wenzhou province Ruian City Tangxia Town Auto Industry Park Patentee after: Ruian JU Bang Beijing Great Automotive Components Company Limited Address before: 325000 incubator of Wenzhou National University Science Park, No. 38 Dongfangnan Road, Ouhai Economic Development Zone, Wenzhou City, Zhejiang Province Patentee before: Wenzhou Vocational & Technical College |
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