CN106493574A - A kind of laser welding-brazing complex welding method of socket hollow copper tubing and device - Google Patents
A kind of laser welding-brazing complex welding method of socket hollow copper tubing and device Download PDFInfo
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- CN106493574A CN106493574A CN201710015233.2A CN201710015233A CN106493574A CN 106493574 A CN106493574 A CN 106493574A CN 201710015233 A CN201710015233 A CN 201710015233A CN 106493574 A CN106493574 A CN 106493574A
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- hollow copper
- cylinder
- welding
- copper tubing
- copper core
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 113
- 239000010949 copper Substances 0.000 title claims abstract description 113
- 238000003466 welding Methods 0.000 title claims abstract description 83
- 238000005219 brazing Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910000679 solder Inorganic materials 0.000 claims abstract description 58
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 230000033001 locomotion Effects 0.000 claims description 23
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 8
- 238000005476 soldering Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment 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
- 238000005520 cutting process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 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
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
- B23K3/047—Heating appliances electric
- B23K3/0475—Heating appliances electric using induction effects, e.g. Kelvin or skin effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/005—Soldering by means of radiant energy
- B23K1/0056—Soldering by means of radiant energy soldering by means of beams, e.g. lasers, E.B.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Dermatology (AREA)
- General Health & Medical Sciences (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a kind of laser welding-brazing complex welding method of socket hollow copper tubing, including：By in one end insertion hollow copper tubing of hollow copper core；First spot welding is fixed with laser；Drive hollow copper core at the uniform velocity to rotate together with hollow copper tubing afterwards, obtain the tube side end laser girth joint of socket section；Then socket section continues at the uniform velocity to rotate, and controls molten solder and inclines the core side for instilling socket section from mozzle, and outgoing laser beam realizes laser welding-brazing；The hollow copper tubing flip horizontal 180 degree that one end welding is completed, makes the unwelded end of hollow copper tubing relative with the hollow copper core position of feeding；Repeat the above steps, complete the welding of the hollow copper tubing other end.The welding point that the present invention is obtained includes a high-quality tube side end laser girth joint and a smooth laser welding-brazing weld seam, solves easy leakage problem, it is ensured that enough telescopic lap splice bulk strength mechanical properties.The present invention also provides a kind of laser welding-brazing composite welding apparatus of socket hollow copper tubing simultaneously.
Description
Technical field
The invention belongs to industrial automation, and in particular to a kind of laser welding-brazing composite welding of socket hollow copper tubing
Method and device.
Background technology
With air-conditioning and the technology development and the further strict control of environmental regulation of 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
Object of study 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 improving the heat exchange property of 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, providing buffering for flowing to cold-producing medium
Area, lifts refrigeration, is typically designed one section of bigger hollow copper tubing region of caliber, and manufacture is in 1101 liang of hollow copper tubing
Side is socketed hollow copper core 1102 respectively, and hollow copper core 1102 is coordinated with 1101 gap of hollow copper tubing, for preventing cold-producing medium stream through sky
Heart copper pipe is leaked, then carry out being socketed boxing process by hollow copper core 1102 and hollow copper tubing 1101, so both ensure that sky
The sealing of heart copper pipe 1101, 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
There is the welding manner of metallurgical reaction in arc heating fusing mother metal, 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 the socket for being not suitable for welding tiny, thin-walled is hollow
Copper pipe；High frequency induction welding is the main method of welding socket hollow copper tubing, but due to matching somebody with somebody in gap when different tube diameters copper pipe is socketed
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 leakage and problem of Cracking, while the technological parameter of welding is difficult to set up, limit production efficiency and quality significantly；For pricker
, then there is welding joint mechanical property poor, it is difficult to ensure the deficiency of sealing, directly affects the repetition of welding quality in weldering
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 the first-selected technique of much high-accuracy, high-quality weldings.But the overlap joint for socket pipe
For weldering, as its welding structure requires enough seam areas in itself to ensure telescopic lap splice bulk strength mechanical property, single
Road laser welding cannot meet requirement, need multiple tracks built-up welding, and this causes, and technique is loaded down with trivial details, cost is raised, and limits laser welding and exists
The application in this field.
Content of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of laser welding-brazing Combined Welding of socket hollow copper tubing
Connect method；Simultaneously present invention also offers a kind of laser welding-brazing composite welding apparatus of socket hollow copper tubing.
The present invention is achieved through the following technical solutions：
A kind of laser welding-brazing complex welding method of socket hollow copper tubing, comprises 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 conveyer device；
(4) outgoing laser beam, focuses on the tube side end position that hollow copper core and hollow copper tubing are socketed section, is fixed a little
Weldering, for preliminary fixation hollow copper core and the relative position of hollow copper tubing；
(5) according to the length requirement of workpiece, hollow copper core is cut off, and balance is kept on support member；
(6) outgoing laser beam, drives hollow copper core at the uniform velocity to rotate together with hollow copper tubing so that focus on laser beam along sky
Heart copper core and hollow copper tubing are socketed the tube side end position scanning one of section and enclose, make hollow copper tubing and hollow copper core realize melting seam and
Fusion penetration obtains the tube side end laser girth joint that hollow copper core and hollow copper tubing are socketed section less than hollow copper in-core wall；
(7) socket section continues at the uniform velocity to rotate, and controls molten solder and inclines the core side for instilling socket section, cocurrent from mozzle
Enter the gap between hollow copper core and hollow copper tubing；Outgoing laser beam, makes focusing laser beam act on socket section in out of focus mode
With molten solder intersection, so as to realize laser welding-brazing；
(8) 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；
(9) repeat step (2)-(7), complete the welding of the hollow copper tubing other end.
The present invention also provides a kind of laser welding-brazing composite welding apparatus of socket hollow copper tubing simultaneously, including work
Platform, and clamping rotary components on the table, loading assemblies, rotation take-off assembly, molten brazed assembly, copper core are installed support
Component, laser welding component, aligning device assembly, pneumatic scissors 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 what described two chutes were separated by a distance is vertically installed on feeding support；Two elasticity gears
Set is separately mounted to the end of two chutes；The outfan of vibrating disk extends to the position of two groups of chutes；Hollow copper tubing is through vibration
Disk is delivered at two chutes, is fallen between two elastic interstage sleeves through two chutes；
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；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 setting of guide-rail plate is fluted, and movable plate is assemblied in the groove, with
Guide rail sheet separation coordinates, and both organize kinematic pair in line；X is fixedly mounted on movable plate to cylinder by cylinder fixed seat；X
It is fixedly mounted on movable plate to slide rail；Embedded fastener installed in 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 are 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
, on embedded fastener, the guide rail direction with guide rail cylinder is along Z-direction for guide rail cylinder；
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 can do a ° rotary motion under the driving of two pawl cylinders installed in the motion end of rotary cylinder；Two gas
Start to refer to that both coordinate achievable gripping action on two pawl cylinders；
The molten brazed assembly includes that solder cylinder, solder support, container fixed plate, solder conveyer device, conveying are installed
Frame and splicing container, on solder support, the container fixed plate coordinates peace with the piston rod of solder cylinder to solder cylinder
Dress, by solder air cylinder driven, which moves up and down；Solder conveyer device is arranged in container fixed plate by conveying installing rack, solder
The built-in solder powder of the epicoele container of conveyer device, the built-in heating coil of interlayer and mechanical vibration member, can respectively to solder powder
End is heated and is vibrated, and bottom is provided with flow control valve and the mozzle horizontal by certain angle, and molten solder can be from
Flow out in mozzle；Splicing container is axially provided with two U-shaped through holes along socket copper pipe, to guarantee that being socketed copper pipe passes through, and covers
Section is connect positioned at the center of 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 with the actuating strut for supporting cylinder by U-shaped adaptor to be installed, and supports cylinder to be fixed on base, and base is fixed on work
On platform；Be provided with two relative supporting vertical plates on the copper core support member, the top of the supporting vertical plate be provided with for
Support the groove of hollow copper core；
The laser welding component includes laser welding system, angle-regulating block, electronic module, fixed plate, portal frame composition,
The laser welding system is coordinated with electronic module by angle-regulating block installs, and then can realize laser welding system processing focal length
Adjustment；Electronic module by fixed plate on portal frame, install on the table by the portal frame two ends；
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 pneumatic scissors component includes shears base, shears drive cylinder, I shape adaptor, T-connecting piece, pneumatic
Shears, T-shaped bearing and shears slide rail, on the table, shears drive cylinder is arranged on shears base to the shears floor installation
On, pneumatic scissors are coordinated with the motion end of shears drive cylinder by I shape adaptor and T-connecting piece to be installed, pneumatic scissors
On the T-shaped bearing, T-shaped bearing on shears slide rail, pneumatic scissors can under the driving of shears drive cylinder along
Shears slide rail is moved back and forth.
The present invention has the advantages that：
1st, two kinds of processes of laser welding and molten soldering are combined with each other by the present invention, are socketed section first with laser welding
Tube side end obtains laser girth joint, afterwards while control socket section rotates, by solder conveyer device by molten solder edge
Mozzle is contacted with speed at a certain angle and infiltrates socket section, and then laser is acted on solder in out of focus mode and connect with socket section
Laser welding-brazing is realized in tactile position, and the face of weld 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 a section welding point includes that a high-quality tube side end is swashed
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 absorbance of laser but also joint welding smooth surface be achieved without scaling loss, more single than adopting
Pure molten soldering or Laser Welding, joint design quality is good, stable performance；
4 present invention also offers a kind of laser welding-brazing composite welding apparatus of socket hollow copper tubing, the device is on the one hand
The Compound Machining of laser welding and two kinds of processes of molten soldering is achieved, so as to obtain the excellent technological effect of above-mentioned 1-3, separately
On the one hand, the device includes a series of structures such as automatization's loading and unloading, workpiece turning, it is achieved that hollow copper tubing-hollow copper core
Full-automatic feeding, blanking, socket assembling, pneumatic cut off and laser welding-brazing composite welding processing, it is ensured that welding procedure
The repeatability of quality, substantially increases production efficiency, reduces production cost.
Description of the drawings
Fig. 1 is the overall structure figure of laser welding-brazing welder of the present invention；
Fig. 2 is the part-structure figure of laser welding-brazing welder 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；
Structure charts of the Fig. 5 for 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；
Structure charts of the Fig. 9 for laser welding component；
Figure 10 is the structure chart for aligning device assembly；
Structure charts of the Figure 11 for pneumatic scissors component；
In figure, the implication of each label is as follows：
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, aligning device assembly 8, pneumatic scissors component 9, hopper 10, workpiece 11, hollow copper tubing 1101, hollow
Copper core 1102, 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 conveyer device 504,
Conveying installing rack 505, splicing container 506, base 601, support cylinder 602, connector 603, copper core support member 604, Laser Welding
Joint 701, angle-regulating block 702, electronic module 703, fixed plate 704, portal frame 705, roller height adjustment rocking bar 801, roller
Sub-component 802, shears base 901, shears drive cylinder 902, I shape adaptor 903, T-connecting piece 904, pneumatic scissors
905th, T-shaped bearing 906, shears slide rail 907.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
The invention provides a kind of laser welding-brazing complex welding method of socket hollow copper tubing, for by hollow copper tubing
The 1101 both sides hollow copper core 1102 smaller with diameter realizes socket assembling the hollow copper core 1102 of sealing welding, forms 11.Should
Method specifically includes following steps：
(1) clamping hollow copper tubing 1101；
(2) by one end insertion hollow copper tubing 1101 of hollow copper core 1102, 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 conveyer device, the solder
Conveyer device is used for transporting molten solder and which is flowed out from mozzle；
(4) outgoing laser beam, focuses on hollow copper core 1102 and is socketed the tube side end position of section (by copper with hollow copper tubing 1101
Pipe side), spot welding is fixed, for preliminary fixation hollow copper core 1102 and the relative position of hollow copper tubing 1101；
(5) according to the length requirement of workpiece, hollow copper core 1102 is cut off, and balance is kept on support member 604；
(6) outgoing laser beam, drives hollow copper core 1102 at the uniform velocity to rotate together with hollow copper tubing 1101 by servomotor,
So that focus on laser beam enclose along the tube side end position scanning one that hollow copper core 1102 and hollow copper tubing 1101 are socketed section, by setting
Fixed appropriate technological parameter (laser power, defocusing amount, copper pipe rotary speed), realizes the control of laser overlaying welding depth, that is,
Hollow copper tubing 1101 is made with the realization of hollow copper core 1102 melting seam and fusion penetration is less than hollow copper in-core wall (non-penetrating type heap
Weldering), the tube side end laser girth joint of section is socketed so as to obtain hollow copper core 1102 and hollow copper tubing 1101；
(7) socket section continues at the uniform velocity to rotate, and controls molten solder and inclines the core side for instilling socket section from mozzle (by copper
Core side), and flow into the gap between hollow copper core 1102 and hollow copper tubing 1101；Outgoing laser beam, make focusing laser beam with
Out of focus mode acts on socket section and molten solder intersection, so as to realize laser welding-brazing.
(8) the 1101 flip horizontal 180 degree of hollow copper tubing for completing one end welding, makes the unwelded end of hollow copper tubing 1101
Relative with 1102 position of hollow copper core of feeding；
(9) repeat step (2)-(7), complete the welding of 1101 other end of hollow copper tubing.
Present invention also offers a kind of laser welding-brazing composite welding for realizing the socket hollow copper tubing of said method
Device, as shown in figs. 1-11, the device specifically includes workbench 1, and the clamping rotary components 2 on workbench 1, on
Material component 3, rotation take-off assembly 4, molten brazed assembly 5, copper core support component 6, laser welding component 7, aligning device assembly 8, gas
Dynamic cutting assemblies 9 and hopper 10.
The clamping rotary components 2 are used for clamping hollow copper tubing 1101, and realize the rotary motion of hollow copper tubing 1101.Institute
Stating loading assemblies 3 is used for for the hollow copper tubing 1101 of fixed length in vibrating disk being delivered to feeding station.The rotation take-off assembly 4 is used
Grip to welding post in the hollow copper tubing 1101 by feeding station, and realize the rotary motion of hollow copper tubing 1101.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
Part 6 for support cut off after hollow copper core 1102 so as to keep balance.The aligning device assembly 8 is used for aligning hollow copper core
1102, and hollow copper core 1102 is delivered to welding post.The pneumatic scissors component 9 is hollow for cutting off after welding terminates
Copper core 1102.The workpiece 11 that the hopper 10 is formed after being used for collecting 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, servomotor 201 by motor support base 202 on workbench 1, 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 is used for filling
Folder hollow copper tubing 1101.
The loading assemblies 3 include vibrating disk 303,302, two chutes 301 of feeding support and two elastic interstage sleeves, described
On workbench 1, what described two chutes 301 were separated by a distance is vertically installed at feeding for the bottom of feeding support 302
On support 302；Two elastic interstage sleeves are separately mounted to the end of two chutes 301；The outfan of vibrating disk 303 extends to two groups
The position of chute 301；Hollow copper tubing 1101 is delivered at two chutes 301 through vibrating disk 303, falls into two through two chutes 301
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 is fixed to cylinder 401, movable plate 406, cylinder
Seat 403, X is fixedly mounted to slide rail 404 and the composition X-direction of embedded fastener 405 travel mechanism, the guide-rail plate 402 by screw
On workbench 1；The both sides setting of guide-rail plate 402 is 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 is fixedly mounted on movable plate 406 to cylinder 401 by cylinder fixed seat 403；
X is fixedly mounted on movable plate 406 to slide rail 404；Embedded fastener 405, is constituted to slide rail 404 to slide rail 404 with X installed in X
One straight line kinematic pair；X is connected to the motion end of cylinder 401 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 are fixed by support
On the workbench 1, adaptor 408 is connected with the motion end of Y-direction cylinder 413, adaptor 408 and meanwhile 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 402 both sides of guide-rail plate.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 are fixedly mounted in band guide rail cylinder 407, are synchronized with the movement with band guide rail cylinder 407；
, in rotary cylinder fixed plate 409, motion end of the two pawl cylinders 411 installed in rotary cylinder 410 can for rotary cylinder 410
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 can achieve gripping action.
The molten brazed assembly 5 includes solder cylinder 501, solder support 502, container fixed plate 503, solder conveyer device
504th, conveying installing rack 505 and splicing container 506, solder cylinder 501 are arranged on solder support 502, the container fixed plate
503 are coordinated with the piston rod of solder cylinder 501 and install, and drive which to move up and down by solder cylinder 501.Solder conveyer device 504
By conveying installing rack 505 in the container fixed plate 503, the built-in solder powder of the epicoele container of solder conveyer device 504,
The built-in heating coil of interlayer and mechanical vibration member, can be heated to solder powder respectively and be vibrated, and bottom is provided with flow control
Valve processed and the mozzle horizontal by certain angle, molten solder can be flowed 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 with the actuating strut for supporting cylinder 602 by U-shaped adaptor 603 to be installed, and supports cylinder 602 solid
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 are provided with for supporting the groove of hollow copper core 1102.
The laser welding component 7 includes laser welding system 701, angle-regulating block 702, electronic module 703, fixed plate
704th, portal frame 705 is constituted, and the laser welding system 701 is coordinated with electronic module 703 by angle-regulating block 702 installs, and enters
And can 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
On, 705 two ends of the portal frame are on workbench 1.
The aligning device assembly 8 includes multiple rollers that multiple roller height adjustment rocking bars 801 and two rows are crisscross arranged
Son 802, the roller height adjustment rocking bar 801 are used for the distance between the row's of regulation roller and lower roll.The hollow copper
Core 1102 realizes aligning and feeding from passing through between two rows roller.
The pneumatic scissors component 9 includes shears base 901, shears drive cylinder 902, I shape adaptor 903, T-shaped
Connector 904, pneumatic scissors 905, T-shaped bearing 906 and shears slide rail 907, the shears base 901 are arranged on workbench 1,
, on shears base 901, pneumatic scissors 905 are by I shape adaptor 903 and T-connecting piece for shears drive cylinder 902
904 are coordinated with the motion end of shears drive cylinder 902 and install, pneumatic scissors 905 on T-shaped bearing 906, T-shaped bearing 906
On shears slide rail 907, pneumatic scissors 905 can be reciprocal along shears slide rail 907 under the driving of shears drive cylinder 902
Motion.
The course of work of the laser welding-brazing 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 to the position (feeding station) that hollow copper tubing 1101 is located between two elastic interstage sleeves,
And hollow copper tubing 1101 is gripped using pneumatic-finger 412, and move to 1102 position of hollow copper core, make hollow copper core
In 1102 one end insertion hollow copper tubing 1101, feeding action is completed.Afterwards, the gas cleft hand for clamping rotary components 2 refers to 205 clampings
Hollow copper tubing 1101, pneumatic-finger 412 unclamp；Outgoing laser beam, is focused on hollow copper core 1102 and is socketed with hollow copper tubing 1101
The tube side end position (by copper pipe side) of section, is fixed spot welding, for preliminary fixation hollow copper core 1102 and hollow copper tubing
1101 relative position；Then, according to the length requirement of workpiece, start pneumatic scissors drive cylinder 602, using pneumatic scissors
605 cut off hollow copper core 1102, and keep balance on support member 604；Outgoing laser beam, clamps rotary components 2 and drives again
Hollow copper tubing 1101 is at the uniform velocity rotated together with hollow copper core 1102 so that focus on laser beam along hollow copper core 1102 and hollow copper
The tube side end position scanning one of the socket section of pipe 1101 is enclosed, and is socketed the pipe of section so as to obtain hollow copper core 1102 and hollow copper tubing 1101
Side laser girth joint.
Then, socket section continues at the uniform velocity to rotate, and molten solder is inclined from mozzle and instills socket by solder conveyer device 504
The core side (by copper core side) of section, and flow into the gap between hollow copper core 1102 and hollow copper tubing 1101；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 1101 side of hollow copper tubing is finished, unclamp gas cleft hand and refer to 205, clamp pneumatic-finger 412, control rotation
Cylinder 410 drives hollow copper tubing 1101 to rotate 180 °, carries out the welding of opposite side, treats that 1101 both sides of hollow copper tubing are welded and finish
Afterwards, rotation take-off assembly 4 is stepped back, and gas cleft hand refers to that 205 releases, rotary cylinder 410 are rotated to horizontal level, 412 pine of pneumatic-finger
Open, the workpiece 11 being welded is automatically fallen in hopper 10.
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. a kind of socket hollow copper tubing laser welding-brazing complex welding method, it is characterised in that comprise the steps：
(1) clamping hollow copper tubing (1101)；
(2) by one end insertion hollow copper tubing (1101) of hollow copper core (1102), both gaps coordinate；
(3) top for being socketed section in hollow copper core (1102) and hollow copper tubing (1101) arranges solder conveyer device；
(4) outgoing laser beam, focuses on the tube side end position that hollow copper core (1102) and hollow copper tubing (1101) are socketed section, carries out
Fixed spot welding, for preliminary fixation hollow copper core (1102) and the relative position of hollow copper tubing (1101)；
(5) according to the length requirement of workpiece, cut off hollow copper core (1102), and in the upper holding balance of support member (604)；
(6) outgoing laser beam, drives hollow copper core (1102) at the uniform velocity to rotate together with hollow copper tubing (1101) so as to focus on laser
Beam is enclosed along the tube side end position scanning one that hollow copper core (1102) and hollow copper tubing (1101) are socketed section, makes hollow copper tubing
(1101) melting seam is realized with hollow copper core (1102) and fusion penetration is less than hollow copper in-core wall, obtain hollow copper core
(1102) the tube side end laser girth joint of section is socketed with hollow copper tubing (1101)；
(7) socket section continues at the uniform velocity to rotate, and controls molten solder and inclines the core side for instilling socket section from mozzle, and flows into sky
Gap between heart copper core (1102) and hollow copper tubing (1101)；Outgoing laser beam, makes focusing laser beam act in out of focus mode
In socket section and molten solder intersection, so as to realize laser welding-brazing；
(8) hollow copper tubing (1101) the flip horizontal 180 degree for completing one end welding, makes the unwelded end of hollow copper tubing (1101)
Relative with hollow copper core (1102) position of feeding；
(9) repeat step (2)-(7), complete the welding of hollow copper tubing (1101) other end.
2. a kind of socket hollow copper tubing laser welding-brazing composite welding apparatus, it is characterised in that including workbench (1), and
Clamping rotary components (2), loading assemblies (3), rotation take-off assembly (4), molten brazed assembly (5) on the workbench (1),
Copper core support component (6), laser welding component (7), aligning device assembly (8), pneumatic scissors component (9) and hopper (10)；
Clamping rotary components (2) includes servomotor (201), motor support base (202), flange (203), three-jaw cylinder
(204) gentle cleft hand refers to (205), and servomotor (201) is arranged on workbench (1) by motor support base (202), 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 (1101)；
Described loading assemblies (3) include vibrating disk (303), feeding support (302), two chutes (301) and two elastic interstage sleeves,
The bottom of feeding support (302) on the workbench (1), described two chute (301) separated by a distance vertical
On feeding support (302)；Two elastic interstage sleeves are separately mounted to the end of two chutes (301)；Vibrating disk (303)
Outfan extends to the position of two groups of chutes (301)；Hollow copper tubing (1101) is delivered to two chutes through vibrating disk (303)
(301) place, falls between two elastic interstage sleeves through two chutes (301)；
Rotation take-off assembly (4) includes 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, guide-rail plate (402) are fixedly mounted on workbench (1) by screw；The two of guide-rail plate (402)
Side setting is 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 is fixedly mounted on movable plate (406) to cylinder (401) by cylinder fixed seat (403)；X is solid to slide rail (404)
Dingan County is mounted on movable plate (406)；Embedded fastener (405), are constituted always to slide rail (404) to slide rail (404) with X installed in X
Line kinematic pair；X is connected to the motion end of cylinder (401) with embedded fastener (405), for driving embedded fastener (405) along X to cunning
Rail (404) moves along a straight line；
Adaptor (408) and Y-direction cylinder (413) composition Y-direction travel mechanism, described Y-direction cylinder (413) are 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；
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) are 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；
Described molten brazed assembly (5) include 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) are arranged on solder support (502),
Container fixed plate (503) coordinate installation with the piston rod of solder cylinder (501), drive which upper and lower by solder cylinder (501)
Motion；Solder conveyer device (504) is arranged in container fixed plate (503) by conveying installing rack (505), solder conveyer 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)；
Described copper core support component (6) include base (601), support cylinder (602), U-shaped adaptor (603) and copper core support member
(604)；Described copper core support member (604) coordinate installation by U-shaped adaptor (603) with the actuating strut for supporting cylinder (602),
Support cylinder (602) is fixed on base (601), and base (601) is fixed on workbench (1)；On copper core support member (604)
It is provided with two relative supporting vertical plates, the top of the supporting vertical plate is provided with for supporting the recessed of hollow copper core (1102)
Groove；
Described laser welding component (7) include laser welding system (701), angle-regulating block (702), electronic module (703), fixation
Plate (704), portal frame (705) composition, described laser welding system (701) are by angle-regulating block (702) and electronic module (703)
Coordinate and install, and then can realize that the adjustment of focal length is processed in laser welding system (701)；Electronic module (703) pass through fixed plate
(704) on portal frame (705), portal frame (705) two ends are on workbench (1)；
Aligning device assembly (8) includes multiple rollers that multiple roller height adjustment rocking bar (801) and two rows are crisscross arranged
Sub (802), described roller height adjustment rocking bar (801) are used for the distance between the row's of regulation roller and lower roll；The sky
Heart copper core (1102) realizes aligning and feeding from passing through between two rows roller；
Described pneumatic scissors component (9) include shears base (901), shears drive cylinder (902), I shape adaptor (903),
T-connecting piece (904), pneumatic scissors (905), T-shaped bearing (906) and shears slide rail (907), described shears base (901) are pacified
It is mounted on workbench (1), on shears base (901), pneumatic scissors (905) pass through I-shaped to shears drive cylinder (902)
Type adaptor (903) and T-connecting piece (904) are coordinated with the motion end of shears drive cylinder (902) to be installed, pneumatic scissors
(905) on the T-shaped bearing (906), on shears slide rail (907), pneumatic scissors (905) can be for T-shaped bearing (906)
Move back and forth along shears slide rail (907) under the driving of shears drive cylinder (902).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282317.7A CN108188522B (en) | 2017-01-10 | 2017-01-10 | Laser fusion brazing composite welding device for sleeved hollow copper pipe |
| CN201710015233.2A CN106493574B (en) | 2017-01-10 | 2017-01-10 | A kind of the laser welding-brazing complex welding method and device of socket hollow copper tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015233.2A CN106493574B (en) | 2017-01-10 | 2017-01-10 | A kind of the laser welding-brazing complex welding method and device of socket hollow copper tubing |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810282317.7A Division CN108188522B (en) | 2017-01-10 | 2017-01-10 | Laser fusion brazing composite welding device for sleeved hollow copper pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106493574A true CN106493574A (en) | 2017-03-15 |
| CN106493574B CN106493574B (en) | 2018-08-28 |
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|---|---|---|---|
| CN201710015233.2A Expired - Fee Related CN106493574B (en) | 2017-01-10 | 2017-01-10 | A kind of the laser welding-brazing complex welding method and device of socket hollow copper tubing |
| CN201810282317.7A Active CN108188522B (en) | 2017-01-10 | 2017-01-10 | Laser fusion brazing composite welding device for sleeved hollow copper pipe |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810282317.7A Active CN108188522B (en) | 2017-01-10 | 2017-01-10 | Laser fusion brazing composite welding device for sleeved hollow copper pipe |
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Cited By (4)
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|---|---|---|---|---|
| CN107838572A (en) * | 2017-11-01 | 2018-03-27 | 湖北三江航天红阳机电有限公司 | A kind of welding method of pintle formula ejector filler |
| CN108747398A (en) * | 2018-06-22 | 2018-11-06 | 宁波赛夫科技有限公司 | Capillary brass pipe one cutting machine |
| CN113385804A (en) * | 2021-06-22 | 2021-09-14 | 南昌航空大学 | Transition liquid phase auxiliary electromagnetic pulse welding device and method |
| CN114378400A (en) * | 2021-12-31 | 2022-04-22 | 日出东方控股股份有限公司 | Automatic feeding and welding system for plate core of ultra-large flat plate collector |
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| CN109702402B (en) * | 2019-03-07 | 2021-05-07 | 江苏智慧工场技术研究院有限公司 | Device and process for welding pipeline by adopting middle sleeve |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108188522A (en) | 2018-06-22 |
| CN108188522B (en) | 2020-03-06 |
| CN106493574B (en) | 2018-08-28 |
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