CN108188522A - A kind of laser welding-brazing composite welding apparatus for being socketed hollow copper tubing - Google Patents
A kind of laser welding-brazing composite welding apparatus for being socketed hollow copper tubing Download PDFInfo
- Publication number
- CN108188522A CN108188522A CN201810282317.7A CN201810282317A CN108188522A CN 108188522 A CN108188522 A CN 108188522A CN 201810282317 A CN201810282317 A CN 201810282317A CN 108188522 A CN108188522 A CN 108188522A
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- cylinder
- scissors
- hollow copper
- rail
- solder
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 96
- 239000010949 copper Substances 0.000 title claims abstract description 96
- 238000003466 welding Methods 0.000 title claims abstract description 73
- 238000005219 brazing Methods 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 4
- 229910000679 solder Inorganic materials 0.000 claims description 54
- 230000033001 locomotion Effects 0.000 claims description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000007514 turning Methods 0.000 abstract description 2
- 238000005476 soldering Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 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
- 230000005611 electricity Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007789 sealing Methods 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
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change 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
- 230000007812 deficiency Effects 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012546 transfer 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.
Abstract
The present invention provides a kind of laser welding-brazing composite welding apparatus for being socketed hollow copper tubing, including clamping rotary components, loading assemblies, rotation take-off assembly, molten brazed assembly, copper core support component, laser welding component, aligning device assembly, pneumatic scissors component and the hopper workbench and installation on the table；Rotary components are clamped including servo motor, motor support base, flange, the gentle cleft hand of three-jaw cylinder to refer to, servo motor is installed on the table by motor support base, three-jaw cylinder coordinates coaxial assembling by flange and servo motor, for pneumatic clamper finger mounted on three-jaw cylinder, the two composition clamping structure is used for clamping hollow copper tubing；The device includes a series of structures such as automation loading and unloading, workpiece turning, realize full-automatic feeding, blanking, socket assembling, pneumatic cutting and the processing of laser welding-brazing composite welding of the hollow copper core of hollow copper tubing, it ensure that the repeatability of welding procedure quality, production efficiency is substantially increased, reduces production cost.
Description
The application be application No. is 201710015233.2, applying date 2017-01-10, it is entitled《A kind of socket is hollow
The laser welding-brazing complex welding method and device of copper pipe》Divisional application.
Technical field
The invention belongs to industrial automations, and in particular to a kind of laser welding-brazing composite welding for being socketed hollow copper tubing
Method and device.
Background technology
With the development of the technology of air-conditioning and refrigeration industry and the further stringent control of environmental regulation, heat exchange unit is improved
The coefficient of heat transfer of itself is the overall heat exchange performance for improving heat exchanger, makes up system caused by alternative refrigerant self reason
The necessary means of the reduction of cold performance.Refrigeration performance decline is had based on existing refrigerant and is not developed yet effective
Research object is switched to air-conditioning and the basic element of character-heat exchanger element of refrigeration by 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 solve the above problems.
The copper pipe of air conditioner refrigerating is mostly the hollow copper core of thin-walled minor diameter, as shown in Figure 1, to provide buffering to refrigerant flowing
Area promotes refrigeration effect, is typically designed the bigger hollow copper tubing region of one section of caliber, and manufacture is in 1101 liang of hollow copper tubing
Side is socketed hollow copper core 1102, hollow copper core 1102 and 1101 clearance fit of hollow copper tubing respectively, to prevent refrigerant from flowing through sky
Heart copper pipe leaks, then hollow copper core 1102 and hollow copper tubing 1101 is carried out socket boxing processing, both ensure that sky in this way
The leakproofness of heart copper pipe 1101, and convenient refrigerant used cycle.
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
The welding manner of metallurgical reaction occurs for arc heating fusing base material, and weld seam is difficult to be made tiny, and welding heat affected zone is larger so that its
The socket hollow copper tubing of large scale, wall thickness more than 1mm is generally used for 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 since gap when different tube diameters copper pipe is socketed is matched
Property is closed, the kelvin effect both in its welding process is asynchronous with approach effect so that the base material of local melting easily leads to
It crosses gap and flows into inside copper pipe and form that weldering is stifled, and surface contaminants cleaning is not also easy to totally cause weld porosity, easy during military service
Leakage and problem of Cracking occurs, while the technological parameter welded is difficult to set up, significantly limit production efficiency and quality；For pricker
Weldering, then it is poor there are welding joint mechanical property, it is difficult to ensure the deficiency of leakproofness, directly affect the repetition of welding quality
Property, the problems such as crackle easily occurs during being on active service, leaks.
Laser welding is a kind of high-quality welding technology quickly grown in recent years, and hot spot is tiny so that weld seam
It is extremely narrow, welding heat affected zone is minimum, become many high-accuracy, high-quality welding preferred techniques.But for the overlap joint of socket pipe
It is single since its welding structure requires enough soldering areas to ensure telescopic lap splice integral strength mechanical property in itself for weldering
Road laser welding can not be met the requirements, and need multiple tracks built-up welding, this causes, and technique is cumbersome, cost raising, limits laser welding and exists
The application in this field.
Invention content
The present invention in view of the above shortcomings of the prior art, provides a kind of laser welding-brazing Combined Welding for being socketed hollow copper tubing
Connect method；The present invention also provides a kind of laser welding-brazing composite welding apparatus for being socketed hollow copper tubing simultaneously.
The present invention is achieved through the following technical solutions：
A kind of laser welding-brazing complex welding method for being socketed hollow copper tubing, includes the following steps：
(1) clamping hollow copper tubing；
(2) one end of hollow copper core is inserted into hollow copper tubing, the two clearance fit；
(3) solder conveying device is set in the top of hollow copper core and hollow copper tubing socket section；
(4) outgoing laser beam focuses on the pipe pendant positions of hollow copper core and hollow copper tubing socket 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 element；
(6) outgoing laser beam drives hollow copper core at the uniform velocity to be rotated together with hollow copper tubing so that focuses on laser beam along sky
One circle of pipe pendant positions scanning of heart copper core and hollow copper tubing socket section, make hollow copper tubing and hollow copper core realize melting soldering and
Fusion penetration is no more than hollow copper in-core wall surface, obtains the pipe side laser girth joint of hollow copper core and hollow copper tubing socket section；
(7) continuation of socket section at the uniform velocity rotates, and control molten solder tilts the core side for instilling socket section, cocurrent from diversion pipe
Enter the gap between hollow copper core and hollow copper tubing；Outgoing laser beam makes focusing laser beam act on socket section in a manner of defocus
With molten solder intersection, so as to fulfill laser welding-brazing；
(8) by the soldered hollow copper tubing flip horizontal 180 degree in one end, make unwelded end and the feeding of hollow copper tubing
Hollow copper core position is opposite；
(9) step (2)-(7) are repeated, complete the welding of the hollow copper tubing other end.
The present invention also provides a kind of laser welding-brazing composite welding apparatus for being socketed hollow copper tubing simultaneously, including work
Platform and installation clamping rotary components on the table, loading assemblies, rotation take-off assembly, molten brazed assembly, copper core support
Component, laser welding component, aligning device assembly, pneumatic scissors component and hopper；
The clamping rotary components include servo motor, motor support base, flange, the gentle cleft hand of three-jaw cylinder and refer to, servo electricity
Machine is installed on the table by motor support base, and three-jaw cylinder coordinates coaxial assembling, pneumatic clamper finger by flange and servo motor
It is installed on three-jaw cylinder, the two composition clamping structure is used for clamping hollow copper tubing；
The loading assemblies include vibrating disk, feeding stent, two sliding slots and two elastic interstage sleeves, the feeding stent
Bottom is installed on the table, and described two sliding slots are separated by a distance to be vertically installed on feeding stent；Two elasticity gears
Set is separately mounted to the end of two sliding slots；The output terminal of vibrating disk extends to the position of two groups of sliding slots；Hollow copper tubing is through vibration
Disk is delivered at two sliding slots, is fallen between two elastic interstage sleeves through two sliding slots；
The rotation take-off assembly includes X to cylinder, guide-rail plate, cylinder fixed seat, X to sliding rail, embedded fastener, movement
Plate, band guide rail cylinder, adapter, rotary cylinder fixed plate, rotary cylinder, two pawl cylinders, pneumatic-finger and Y-direction cylinder；It is described
Guide-rail plate, X form X-direction mobile mechanism, the guide rail to cylinder, movable plate, cylinder fixed seat, X to sliding rail and embedded fastener
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 plate clearance fit, the two group kinematic pair in line；X is fixedly mounted on by cylinder fixed seat on movable plate to cylinder；X
It is fixedly mounted on movable plate to sliding rail；Embedded fastener is mounted on X to sliding rail, with X to slide rail group kinematic pair in line；X to
The motion end of cylinder is connected with embedded fastener, for embedded fastener to be driven to be moved in a straight line along X to sliding rail；
The adapter and Y-direction cylinder composition Y-direction mobile mechanism, the Y-direction cylinder are fixed by the bracket mounted on work
Make on platform, adapter is connected with the motion end of Y-direction cylinder, and adapter is connect simultaneously with the insertion fastener in X-direction mobile mechanism；
Y-direction cylinder can drive adapter and embedded fastener, and then guide-rail plate is driven to be moved in a straight line along the groove of guide-rail plate both sides；Band
Guide rail cylinder is mounted 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-finger composition ° rotating mechanisms, 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 consolidated mounted on rotary cylinder
On fixed board, two pawl cylinders are mounted on the motion end of rotary cylinder, can do a ° rotary motion under the driving of two pawl cylinders；Two gas
It starts to refer to and be mounted on two pawl cylinders, gripping action can be achieved in the two cooperation；
The molten brazed assembly includes solder cylinder, solder stent, container fixed plate, solder conveying device, conveying installation
Frame and splicing container, solder cylinder are mounted on solder stent, and the container fixed plate and the piston rod cooperation of solder cylinder are pacified
Dress, its up and down motion is driven by solder cylinder；Solder conveying device is by conveying mounting bracket in container fixed plate, solder
Solder powder built in the epicoele container of conveying device, heating coil and mechanical vibration member built in interlayer can be respectively to solder powder
End is heated and is vibrated, and bottom is equipped with flow control valve and the diversion pipe horizontal by certain angle, and molten solder can be from
It is flowed out in diversion pipe；Splicing container is axially opened along socket copper pipe there are two U-shaped through-hole, is passed through, covered with ensuring to be socketed copper pipe
Connect the center that section is located at splicing container；
The copper core support component includes pedestal, support cylinder, U-shaped adapter and copper core support element；The copper core support
Part is coordinated by the actuating strut of U-shaped adapter and support cylinder to be installed, and support cylinder is fixed on pedestal, and pedestal is fixed on work
On platform；There are two opposite supporting vertical plates for setting on the copper core support element, and the top of the supporting vertical plate, which to be provided with, is used for branch
Support the groove of hollow copper core；
The laser welding component includes laser welding head, angle-regulating block, electronic module, fixed plate, portal frame composition,
The laser welding head is installed by angle-regulating block and the cooperation of electronic module, and then can realize that laser welding head processes focal length
Adjustment；Electronic module is mounted on by fixed plate on portal frame, and the portal frame both ends installation is on the table；
The aligning device assembly includes multiple rollers that multiple roller height adjustment rocking bar and two rows are staggered, institute
It states roller height adjustment rocking bar and is used for the distance between the row's of adjusting roller and lower roll；The hollow copper core is from two rows
It is passed through between roller, realizes aligning and feeding；
The pneumatic scissors component includes scissors pedestal, scissors driving cylinder, I-shaped adapter, T-connecting piece, pneumatic
Scissors, T shapes bearing and scissors sliding rail, on the table, scissors driving cylinder is mounted on scissors pedestal to the scissors floor installation
On, pneumatic scissors drive the motion end of cylinder to coordinate and install by I-shaped adapter and T-connecting piece with scissors, pneumatic scissors
On T shape bearings, T shapes bearing be mounted on scissors sliding rail on, pneumatic scissors can scissors drive cylinder driving under along
Scissors sliding rail moves 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, and section is socketed first with laser welding
Pipe side obtains laser girth joint, later while control socket section rotation, by solder conveying device by molten solder edge
Diversion pipe contacts with speed and infiltrates socket section at a certain angle, and then laser is acted on solder in a manner of defocus and connect with socket section
It touches position and realizes laser welding-brazing, the smooth no scaling loss of face of weld obtained.It is connect so as to efficiently solve traditional simple soldering
Head mechanical property is poor, and leakproofness is insufficient, the repeatability of welding quality, easy the problems such as crackle, leakage occurs during being on active service；
2nd, hollow copper tubing-hollow copper core retainer plate that the present invention obtains connects pipe side of section welding point including a high quality and swashs
Ring of light weld seam and a smooth laser welding-brazing weld seam, one side high quality laser girth joint ensure that the sealing of socket section
Property, solve easy leakage problem, on the other hand smooth laser welding-brazing weld seam provides enough soldering areas, ensure that enough
Telescopic lap splice integral 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 a manner of defocus
Melt solder junction, can not only effectively improve the absorptivity of laser but also realize the smooth no scaling loss in joint welding surface, than using single
Pure molten soldering or Laser Welding, joint structure is high-quality, performance is stablized；
4th, the present invention also provides a kind of laser welding-brazing composite welding apparatus for being socketed hollow copper tubing, and the device is on the one hand
The Compound Machining of two kinds of processes of laser welding and molten soldering is realized, so as to obtain the excellent technological effect of above-mentioned 1-3, separately
On the one hand, which includes a series of structures such as automation loading and unloading, workpiece turning, realizes hollow copper tubing-hollow copper core
Full-automatic feeding, blanking, socket assembling, it is pneumatic cut and the processing of laser welding-brazing composite welding, ensure 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；
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 for aligning device assembly；
Figure 11 is the structure chart of pneumatic scissors component；
The meaning of each label is as follows in figure：
Workbench 1 clamps 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, it is hollow copper tubing 1101, hollow
Copper core 1102, servo motor 201, motor support base 202, flange 203, three-jaw cylinder 204, pneumatic clamper finger 205, sliding slot 301, feeding
Stent 302, vibrating disk 303, X to cylinder 401, guide-rail plate 402, cylinder fixed seat 403, X to sliding rail 404, embedded fastener 405,
Movable plate 406, band guide rail cylinder 407, adapter 408, rotary cylinder fixed plate 409, rotary cylinder 410, two pawl cylinders 411,
Pneumatic-finger 412, Y-direction cylinder 413, solder cylinder 501, solder stent 502, container fixed plate 503, solder conveying device 504,
Convey mounting bracket 505, splicing container 506, pedestal 601, support cylinder 602, connector 603, copper core support element 604, Laser Welding
Connector 701, angle-regulating block 702, electronic module 703, fixed plate 704, portal frame 705, roller height adjustment rocking bar 801, roller
Sub-component 802, scissors pedestal 901, scissors driving cylinder 902, I-shaped adapter 903, T-connecting piece 904, pneumatic scissors
905th, T shapes bearing 906, scissors sliding rail 907.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
The present invention provides a kind of laser welding-brazing complex welding method for being socketed hollow copper tubing, for by hollow copper tubing
Socket assembling and the hollow copper core 1102 of sealing welding are realized in 1101 both sides with the smaller hollow copper core 1102 of diameter, form 11.It should
Method specifically comprises the following steps：
(1) clamping hollow copper tubing 1101；
(2) one end of hollow copper core 1102 is inserted into hollow copper tubing 1101, the two clearance fit, gap width 0.01mm~
0.3mm, socket length 2mm~10mm；
(3) top that section is socketed in hollow copper core 1102 and hollow copper tubing 1101 sets solder conveying device, the solder
Conveying device is for transporting molten solder and it is made to be flowed out from diversion pipe；
(4) outgoing laser beam focuses on hollow copper core 1102 and is socketed the pipe pendant positions 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 element 604；
(6) outgoing laser beam drives hollow copper core 1102 at the uniform velocity to be rotated together with hollow copper tubing 1101 by servo motor,
So that one circle of pipe pendant positions scanning that laser beam is socketed section along hollow copper core 1102 and hollow copper tubing 1101 is focused on, 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 to be no more than hollow copper in-core wall surface (non-penetrating type heap with hollow copper core 1102 realization melting soldering and fusion penetration
Weldering), so as to obtain the pipe side laser girth joint of hollow copper core 1102 and the socket section of hollow copper tubing 1101；
(7) continuation of socket section at the uniform velocity rotates, and copper (is leaned in the core side that control molten solder tilts instillation socket section from diversion pipe
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
Defocus mode acts on socket section and molten solder intersection, so as to fulfill laser welding-brazing.
(8) by the soldered 1101 flip horizontal 180 degree of hollow copper tubing in one end, make the unwelded end of hollow copper tubing 1101
It is opposite with 1102 position of hollow copper core of feeding；
(9) step (2)-(7) are repeated, complete the welding of 1101 other end of hollow copper tubing.
The present invention also provides a kind of laser welding-brazing composite weldings of socket hollow copper tubing for being used to implement the above method
Device, as shown in figs. 1-11, the device specifically include workbench 1 and clamping rotary components 2 on workbench 1, on
Expect 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 realize the rotary motion of hollow copper tubing 1101 for clamping hollow copper tubing 1101.Institute
Loading assemblies 3 are stated for the hollow copper tubing 1101 of fixed length in vibrating disk to be delivered to feeding station.The rotation take-off assembly 4 is used
In the rotary motion for the hollow copper tubing 1101 of feeding station being gripped to welding post and being realized hollow copper tubing 1101.It is described
Molten brazed assembly 5 coordinates with laser welding component for transporting molten solder and realizes laser welding-brazing.The copper core support group
Part 6 is used to support the hollow copper core 1102 after cutting, it is made to keep balance.The aligning device assembly 8 is used to align hollow copper core
1102, and hollow copper core 1102 is delivered to welding post.The pneumatic scissors component 9 is hollow for being cut off after welding
Copper core 1102.The workpiece 11 that the hopper 10 is formed after being welded for collection.
It is gentle that the clamping rotary components 2 include servo motor 201, motor support base 202, flange 203, three-jaw cylinder 204
Cleft hand refers to 205, and servo motor 201 is mounted on by motor support base 202 on workbench 1, three-jaw cylinder 204 by flange 203 with
Servo motor 201 coordinates coaxial assembling, and pneumatic clamper finger 205 is installed on three-jaw cylinder 204, and the two composition clamping structure is used to fill
Press from both sides hollow copper tubing 1101.
The loading assemblies 3 include vibrating disk 303,302, two sliding slots 301 of feeding stent and two elastic interstage sleeves, described
The bottom of feeding stent 302 be mounted on workbench 1 on, described two sliding slots 301 it is separated by a distance be vertically installed at feeding
On stent 302；Two elastic interstage sleeves are separately mounted to the end of two sliding slots 301；The output terminal of vibrating disk 303 extends to two groups
The position of sliding slot 301；Hollow copper tubing 1101 is delivered to through vibrating disk 303 at two sliding slots 301, and two are fallen into through two sliding slots 301
Between a elasticity 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 sliding rail 404, embedding
Enter fastener 405, movable plate 406, band guide rail cylinder 407, adapter 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 are fixed to cylinder 401, movable plate 406, cylinder
Seat 403, X form X-direction mobile mechanism to sliding rail 404 and embedded fastener 405, and the guide-rail plate 402 is fixedly mounted 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, the two group kinematic pair in line；X is fixedly mounted on by cylinder fixed seat 403 on movable plate 406 to cylinder 401；
X is fixedly mounted on to sliding rail 404 on movable plate 406；Embedded fastener 405 is mounted on X to sliding rail 404, is formed with X to sliding rail 404
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 sliding rail
404 move in a straight line.
The adapter 408 and Y-direction cylinder 413 form Y-direction mobile mechanism, and the Y-direction cylinder 413 is fixed by the bracket
On workbench 1, adapter 408 is connected with the motion end of Y-direction cylinder 413, adapter 408 simultaneously with X-direction moving machine
Insertion fastener 405 in structure connects；Y-direction cylinder 413 can drive adapter 408 and embedded fastener 405, and then drive guide-rail plate
402 move in a straight line along the groove of 402 both sides of guide-rail plate.Band guide rail cylinder 407 is mounted 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 form 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；
Rotary cylinder 410 is mounted in rotary cylinder fixed plate 409, and two pawl cylinders 411 are mounted 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 mounted on two pawl cylinders 411, and the two is matched
It closes and gripping action can be achieved.
The molten brazed assembly 5 includes solder cylinder 501, solder stent 502, container fixed plate 503, solder conveying device
504th, mounting bracket 505 and splicing container 506 are conveyed, solder cylinder 501 is mounted on solder stent 502, the container fixed plate
503 install with the cooperation of the piston rod of solder cylinder 501, its up and down motion is driven by solder cylinder 501.Solder conveying device 504
By conveying mounting bracket 505 in container fixed plate 503, solder powder built in the epicoele container of solder conveying device 504,
Heating coil built in interlayer and mechanical vibration member can be heated and be vibrated to solder powder respectively, and bottom is equipped with flow control
Valve processed and the diversion pipe horizontal by certain angle, molten solder can be flowed out out of diversion pipe.Splicing container 506 along socket copper
Pipe is axially opened there are two U-shaped through-hole, is passed through with ensuring to be socketed copper pipe, socket section is located at the center of splicing container 506.
The copper core support component 6 includes pedestal 601, support cylinder 602, U-shaped adapter 603 and copper core support element 604.
The copper core support element 604 is coordinated by the actuating strut of U-shaped adapter 603 and support cylinder 602 to be installed, and support cylinder 602 is solid
It is scheduled on pedestal 601, pedestal 601 is fixed on workbench 1.There are two opposite supports for setting on the copper core support element 604
Riser, the top of the supporting vertical plate are provided with the groove for being used to support hollow copper core 1102.
The laser welding component 7 includes laser welding head 701, angle-regulating block 702, electronic module 703, fixed plate
704th, portal frame 705 forms, and the laser welding head 701 is installed by angle-regulating block 702 and the cooperation of electronic module 703, into
And it can realize laser welding head 701 and process the adjustment of focal length；Electronic module 703 is mounted on portal frame 705 by fixed plate 704
On, 705 both ends of portal frame are mounted on workbench 1.
The aligning device assembly 8 includes multiple rollers that multiple roller height adjustment rocking bar 801 and two rows are staggered
Son 802, the roller height adjustment rocking bar 801 are used for the distance between the row's of adjusting roller and lower roll.The hollow copper
Core 1102 is passed through between two rows roller, realizes aligning and feeding.
The pneumatic scissors component 9 includes scissors pedestal 901, scissors driving cylinder 902, I-shaped adapter 903, T shapes
Connector 904, pneumatic scissors 905, T shapes bearing 906 and scissors sliding rail 907, the scissors pedestal 901 are mounted on workbench 1,
Scissors driving cylinder 902 is mounted on scissors pedestal 901, and pneumatic scissors 905 pass through I-shaped adapter 903 and T-connecting piece
904 drive the motion end cooperation of cylinder 902 to install with scissors, and pneumatic scissors 905 are mounted on T shapes bearing 906, T shapes bearing 906
On scissors sliding rail 907, pneumatic scissors 905 can be reciprocal along scissors sliding rail 907 in the case where scissors drives the driving of cylinder 902
Movement.
The course of work of the laser welding-brazing device of above-mentioned socket hollow copper tubing is：
Rotate X-direction mobile mechanism in take-off assembly 4, Y-direction mobile mechanism, 180 ° of rotating mechanisms with guide rail cylinder
Pneumatic-finger 412 is moved to the position (feeding station) at 1101 place of hollow copper tubing between two elastic interstage sleeves by 407 cooperations,
And hollow copper tubing 1101 is gripped using pneumatic-finger 412, and move to hollow 1102 position of copper core, make hollow copper core
1102 one end is inserted into hollow copper tubing 1101, completes feeding action.Later, the pneumatic clamper finger 205 for clamping rotary components 2 clamps
Hollow copper tubing 1101, pneumatic-finger 412 unclamp；Outgoing laser beam focuses on hollow copper core 1102 and is socketed with hollow copper tubing 1101
The pipe pendant positions (leaning on copper pipe side) of section, are 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 driving cylinder 602, utilize pneumatic scissors
605 cut hollow copper core 1102, and balance is kept on support element 604；Outgoing laser beam again clamps rotary components 2 and drives
Hollow copper tubing 1101 at the uniform velocity rotates together with hollow copper core 1102 so that focuses on laser beam along hollow copper core 1102 and hollow copper
Pipe 1101 is socketed one circle of pipe pendant positions scanning of section, and the pipe of section is socketed so as to obtain hollow copper core 1102 with hollow copper tubing 1101
Side laser girth joint.
Then, the continuation of socket section at the uniform velocity rotates, and molten solder from diversion pipe is tilted and instills socket by solder conveying device 504
The core side (leaning on copper core side) of section, and flow into the gap between hollow copper core 1102 and hollow copper tubing 1101；Outgoing laser beam,
Focusing laser beam is made socket section and molten solder intersection to be acted in a manner of defocus, after solder instillation so as to fulfill laser
Molten soldering.
After being welded when 1101 side of hollow copper tubing, pneumatic clamper finger 205 is unclamped, clamps 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 pneumatic clamper finger 205 unclamps, and rotary cylinder 410 is rotated to horizontal position, 412 pine of pneumatic-finger
It opens, the workpiece 11 being welded is automatically fallen into hopper 10.
The present invention can be changed apparent to one skilled in the art for various ways, and such change is not considered as
It departs from the scope of the present invention.The technical staff in the field is obviously changed as all, is included within this right
Within the scope of it is required that.
Claims (1)
1. a kind of laser welding-brazing composite welding apparatus for being socketed hollow copper tubing, which is characterized in that including workbench (1) and
Clamping rotary components (2), loading assemblies (3) on workbench (1), rotation take-off assembly (4), molten brazed assembly (5),
Copper core support component (6), laser welding component (7), aligning device assembly (8), pneumatic scissors component (9) and hopper (10)；
The clamping rotary components (2) include servo motor (201), motor support base (202), flange (203), three-jaw cylinder
(204) gentle cleft hand refers to (205), servo motor (201) by motor support base (202) on workbench (1), three-jaw cylinder
(204) coaxial assembling is coordinated by flange (203) and servo motor (201), pneumatic clamper finger (205) is installed on three-jaw cylinder
(204) on, the two composition clamping structure is used for clamping hollow copper tubing (1101)；
The loading assemblies (3) include the elastic interstage sleeve of vibrating disk (303), feeding stent (302), two sliding slots (301) and two,
The bottom of the feeding stent (302) is mounted on workbench (1), separated by a distance vertical of described two sliding slots (301)
On feeding stent (302)；Two elastic interstage sleeves are separately mounted to the end of two sliding slots (301)；Vibrating disk (303)
Output terminal extends to the position of two groups of sliding slots (301)；Hollow copper tubing (1101) is delivered to two sliding slots through vibrating disk (303)
(301) it at, is fallen between two elastic interstage sleeves through two sliding slots (301)；
The rotation take-off assembly (4) is including X to cylinder (401), guide-rail plate (402), cylinder fixed seat (403), X to sliding rail
(404), embedded fastener (405), movable plate (406), band guide rail cylinder (407), adapter (408), rotary cylinder fixed plate
(409), rotary cylinder (410), two pawl cylinders (411), pneumatic-finger (412) and Y-direction cylinder (413)；The guide-rail plate
(402), X to sliding rail (404) and is embedded in fastener (405) group to cylinder (401), movable plate (406), cylinder fixed seat (403), X
Into X-direction mobile mechanism, the guide-rail plate (402) is fixedly mounted on by screw on workbench (1)；The two of guide-rail plate (402)
Side setting is fluted, and movable plate (406) is assemblied in the groove, and with guide-rail plate (402) clearance fit, the two group is in line
Kinematic pair；X is fixedly mounted on by cylinder fixed seat (403) on movable plate (406) to cylinder (401)；X is solid to sliding rail (404)
Dingan County is on movable plate (406)；Embedded fastener (405), to sliding rail (404), forms always mounted on X with X to sliding rail (404)
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 in a straight line；
The adapter (408) and Y-direction cylinder (413) composition Y-direction mobile mechanism, the Y-direction cylinder (413) are consolidated by stent
Dingan County is on workbench (1), and adapter (408) is connected with the motion end of Y-direction cylinder (413), adapter (408) while and X
Insertion fastener (405) connection in the mobile mechanism of direction；Y-direction cylinder (413) can drive adapter (408) and embedded fastener
(405), and then guide-rail plate (402) is driven to be moved in 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) are fixedly mounted in band guide rail cylinder (407), with band guide rail cylinder
(407) it is synchronized with the movement；Rotary cylinder (410) is in rotary cylinder fixed plate (409), and two pawl cylinders (411) are mounted on rotation
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), gripping action can be achieved in the two cooperation；
The molten brazed assembly (5) includes solder cylinder (501), solder stent (502), container fixed plate (503), solder conveying
Device (504), conveying mounting bracket (505) and splicing container (506), solder cylinder (501) on solder stent (502),
The container fixed plate (503) and the piston rod cooperation of solder cylinder (501) are installed, and are driven above and below it by solder cylinder (501)
Movement；Solder conveying device (504) is by conveying mounting bracket (505) in container fixed plate (503), solder conveying device
(504) solder powder built in epicoele container；Splicing container (506) is axially opened along socket copper pipe there are two U-shaped through-hole, to ensure
Socket copper pipe passes through, and socket section is located at the center of splicing container (506)；
The copper core support component (6) includes pedestal (601), support cylinder (602), U-shaped adapter (603) and copper core support element
(604)；The copper core support element (604) is coordinated by the actuating strut of U-shaped adapter (603) and support cylinder (602) installs, branch
Support cylinder (602) is fixed on pedestal (601), and pedestal (601) is fixed on workbench (1)；On the copper core support element (604)
There are two opposite supporting vertical plates for setting, and the top of the supporting vertical plate, which is provided with, is used to support the recessed of hollow copper core (1102)
Slot；
The laser welding component (7) includes laser welding head (701), angle-regulating block (702), electronic module (703), fixation
Plate (704), portal frame (705) composition, the laser welding head (701) pass through angle-regulating block (702) and electronic module (703)
Cooperation installation, and then can realize the adjustment of laser welding head (701) processing focal length；Electronic module (703) passes through fixed plate
(704) on portal frame (705), portal frame (705) both ends are mounted on workbench (1)；
Multiple rollers that the aligning device assembly (8) is staggered including multiple roller height adjustment rocking bar (801) and two rows
Sub (802), the roller height adjust rocking bar (801) for adjusting the distance between upper row's roller and lower roll；The sky
Heart copper core (1102) is passed through between two rows roller, realizes aligning and feeding；
The pneumatic scissors component (9) including scissors pedestal (901), scissors driving cylinder (902), I-shaped adapter (903),
T-connecting piece (904), pneumatic scissors (905), T shapes bearing (906) and scissors sliding rail (907), scissors pedestal (901) peace
On workbench (1), for scissors driving cylinder (902) on scissors pedestal (901), pneumatic scissors (905) pass through I-shaped
Type adapter (903) and T-connecting piece (904) and the motion end cooperation of scissors driving cylinder (902) are installed, pneumatic scissors
(905) on T shapes bearing (906), for T shapes bearing (906) on scissors sliding rail (907), pneumatic scissors (905) can be
It is moved back and forth under the driving of scissors driving cylinder (902) along scissors sliding rail (907).
Priority Applications (1)
| 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 |
Applications Claiming Priority (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 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710015233.2A Division 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108188522A true CN108188522A (en) | 2018-06-22 |
| CN108188522B CN108188522B (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810282317.7A Active CN108188522B (en) | 2017-01-10 | 2017-01-10 | Laser fusion brazing composite welding device for sleeved hollow copper pipe |
| 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 |
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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 |
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| CN (2) | CN108188522B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109702402A (en) * | 2019-03-07 | 2019-05-03 | 江苏省特种设备安全监督检验研究院 | A kind of device and technique carrying out pipeline welding using intermediate casing |
| CN111745261A (en) * | 2020-07-14 | 2020-10-09 | 成都岷江精密刀具有限公司 | TC bearing surfacing equipment and TC bearing machining process |
| CN114619145A (en) * | 2022-03-10 | 2022-06-14 | 湖北三江航天红峰控制有限公司 | Thin-wall part laser welding device and welding method |
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| CN113385804B (en) * | 2021-06-22 | 2022-08-23 | 南昌航空大学 | Transition liquid phase auxiliary electromagnetic pulse welding device and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108188522B (en) | 2020-03-06 |
| CN106493574A (en) | 2017-03-15 |
| CN106493574B (en) | 2018-08-28 |
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