CN108436463B - A kind of high-frequency induction laserHybrid welding connection device being socketed hollow copper tubing - Google Patents
A kind of high-frequency induction laserHybrid welding connection device being socketed hollow copper tubing Download PDFInfo
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- CN108436463B CN108436463B CN201810282339.3A CN201810282339A CN108436463B CN 108436463 B CN108436463 B CN 108436463B CN 201810282339 A CN201810282339 A CN 201810282339A CN 108436463 B CN108436463 B CN 108436463B
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 197
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 108
- 239000010949 copper Substances 0.000 title claims abstract description 108
- 238000003466 welding Methods 0.000 title claims abstract description 86
- 230000006698 induction Effects 0.000 title claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 230000000712 assembly Effects 0.000 claims abstract description 12
- 238000000429 assembly Methods 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims description 25
- 238000003780 insertion Methods 0.000 claims description 21
- 230000037431 insertion Effects 0.000 claims description 21
- 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 20
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 19
- 150000001875 compounds Chemical class 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 238000005476 soldering Methods 0.000 description 7
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting 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
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 208000019300 CLIPPERS Diseases 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005336 cracking Methods 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
- 238000001125 extrusion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000000649 photocoagulation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- 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
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention provides a kind of high-frequency induction laserHybrid welding connection devices for being socketed hollow copper tubing, including workbench, and the clamping rotary components, loading assemblies, rotation take-off assembly, high-frequency induction heating component, pneumatic scissors component, laser welding component, aligning device assembly, copper core support component, extruding wheel assembly and the hopper that are installed on the workbench；The clamping rotary components include that servo motor, motor support base, flange, the gentle cleft hand of three-jaw cylinder refer to, servo motor is installed on the workbench by motor support base, three-jaw cylinder is cooperated by flange with servo motor to realize coaxial assembly, in on three-jaw cylinder, the two forms clamping structure and is used for clamping hollow copper tubing pneumatic clamper finger mounted.The arrangement achieves the full-automatic feeding of the hollow copper core of hollow copper tubing-, blanking, socket assembly, cutting and the processing of high-frequency induction laser compound welding, ensure that the repeatability of welding procedure quality, substantially increase production efficiency, reduce production cost.
Description
The application is that application No. is 201710015356.6, applying date 2017-01-10, and entitled " a kind of socket is hollow
The high-frequency induction laser compound welding method and device of copper pipe " divisional application.
Technical field
The invention belongs to industrial automations, and in particular to a kind of high-frequency induction laserHybrid welding for being socketed hollow copper tubing
Connect method and device.
Background technique
With the development of the technology of air-conditioning and refrigeration industry and the further strict 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 reduced necessary means of cold performance.There are problems that refrigeration performance decline based on existing refrigerant and does not develop yet effective
Research object is switched to the basic element of character-heat exchanger element of air-conditioning and refrigeration by Substitute Working Medium, relevant enterprise and scientific research institution, i.e.,
Hollow copper tubing can effectively be solved the above problems by improving the heat exchange property of hollow copper tubing.
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, manufacture is at 1201 liang of hollow copper tubing
Side is socketed hollow copper core 1202, hollow copper core 1202 and 1201 clearance fit of hollow copper tubing respectively, to prevent refrigerant from flowing through sky
Heart copper pipe leaks, then hollow copper core 1202 and hollow copper tubing 1201 is carried out socket boxing processing, both ensure that sky in this way
The leakproofness of heart copper pipe 1201, and convenient refrigerant used circulation.
Welding mean common at present has 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 greater 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 is easy to lead 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 completely 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
, then it is poor to there is welding joint mechanical property, it is difficult to which the deficiency for guaranteeing leakproofness directly affects the repetition of welding quality in weldering
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
For weldering, since its welding structure itself requires enough soldering areas to guarantee telescopic lap splice integral strength mechanical property, singly
Road laser welding is unable to satisfy requirement, needs multiple tracks built-up welding, this makes, and technique is cumbersome, cost increases, and limits laser welding and exists
The application in this field.
Summary of the invention
The present invention in view of the above shortcomings of the prior art, it is compound to provide a kind of high-frequency induction laser for being socketed hollow copper tubing
Welding method；The present invention also provides a kind of high-frequency induction laserHybrid welding connection devices for being socketed hollow copper tubing simultaneously.
The present invention is achieved through the following technical solutions:
A kind of high-frequency induction laser compound welding method 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) high-frequency induction heating coil is set in the lower section of hollow copper core and hollow copper tubing socket section, it is desirable that coil shape
With size and socket section Corresponding matching, it is no more than socket length along socket section axial dimension；Simultaneously in hollow copper core and hollow copper
Pipe is socketed the extruding wheel of the top setting high frequency induction welding of 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, the relative position for preliminary fixation hollow copper core and hollow copper tubing；
(5) according to the length requirement of workpiece, hollow copper core is cut using pneumatic scissors, and hollow copper core is supported to make its holding
Balance；
(6) outgoing laser beam drives hollow copper core at the uniform velocity to rotate together with hollow copper tubing by servo motor, so that focusing
Laser beam keeps hollow copper tubing and hollow copper core real along one circle of pipe pendant positions scanning of hollow copper core and hollow copper tubing socket section
It now melts soldering and fusion penetration is no more than hollow copper in-core wall surface, to obtain the pipe side of hollow copper core and hollow copper tubing socket section
Laser girth joint；
(7) high-frequency induction heating coil is powered, and drives hollow copper tubing at the uniform velocity to rotate by servo motor, so that hollow copper core
It is uniform with hollow copper tubing socket section preheating；
(8) after preheating temperature reaches setting value, socket section high-frequency induction heating region is sent out under the action of high-frequency current
Raw skin layer fusing, when running through extruding wheel, since the pipe side of socket section has been closed by preamble laser girth joint, fusing
Metal will be extruded from the core side of socket section, to realize that the solid phase of socket section weld metal is coupled；
(9) 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；
(10) step (2)-(8) are repeated, the welding of the hollow copper tubing other end is completed.
Further, between step (8) and step (9) can also then outgoing laser beam, driven by servo motor
Hollow copper core at the uniform velocity rotates together with hollow copper tubing, so that focusing laser beam along the core of hollow copper core and hollow copper tubing socket section
Pendant positions scan a circle again, make hollow copper tubing and hollow copper core realization melting soldering and fusion penetration is no more than hollow copper in-core wall
Face, to obtain the core side laser girth joint of hollow copper core and hollow copper tubing socket section.
The present invention also provides a kind of high-frequency induction laserHybrid welding connection device for being socketed hollow copper tubing, including workbench,
And the clamping rotary components, loading assemblies, rotation take-off assembly, high-frequency induction heating component, pneumatic being installed on the workbench
Cutting assemblies, aligning device assembly, copper core support component, squeeze wheel assembly and hopper at laser welding component；
The clamping rotary components include that servo motor, motor support base, flange, the gentle cleft hand of three-jaw cylinder refer to, servo electricity
Machine is installed on the workbench by motor support base, and three-jaw cylinder is cooperated with servo motor by flange to realize coaxial assembly, gas
Cleft hand, which refers to, to be installed on three-jaw cylinder, and the two forms clamping structure and is used for clamping hollow copper tubing；
The loading assemblies include vibrating disk, feeding bracket, the elastic interstage sleeves of two sliding slots and two, the feeding bracket
Bottom is installed on the workbench, and described two sliding slots are separated by a distance to be vertically installed on feeding bracket；Two elasticity gears
Set is separately mounted to the end of two sliding slots；The output end of vibrating disk extends to the position of two sliding slots；Hollow copper tubing is through vibrating
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, insertion 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 insertion fastener
Plate is fixedly mounted on the table by screw；Guide-rail plate two sides setting it is fluted, movable plate assemble in the groove, with
Guide-rail plate clearance fit, the two group 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 sliding rail；Insertion 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 insertion fastener, for driving insertion fastener to move in a straight line along X to sliding rail；
The adapter and Y-direction cylinder form Y-direction mobile mechanism, and the Y-direction cylinder, which is fixed by the bracket, is mounted on work
Make on platform, adapter is connected with the motion end of Y-direction cylinder, and adapter is connect with the insertion fastener in X-direction mobile mechanism simultaneously；
Y-direction cylinder can drive adapter and insertion fastener, and then guide-rail plate is driven to move in a straight line along the groove of guide-rail plate two sides；Band
Guide rail cylinder is mounted on insertion fastener, and the guide rail direction with guide rail cylinder is Z-direction；
The rotary cylinder fixed plate, rotary cylinder, two pawl cylinders, two pneumatic-fingers form 180 ° of rotating mechanisms, rotation
Rotaring cylinder fixed plate is fixedly mounted in band guide rail cylinder, is moved synchronously with band guide rail cylinder；Rotary cylinder is mounted on rotary pneumatic
In cylinder fixed plate, two pawl cylinders are mounted on the motion end of rotary cylinder, and 180 ° of rotary motions can be done under the driving of two pawl cylinders；
Two pneumatic-fingers are mounted on two pawl cylinders, and the two, which cooperates, can be achieved clamping movement；
The high-frequency induction heating component includes heating cylinder, pedestal, adiabatic transition part and high-frequency induction heating coil, is added
Hot cylinder is installed on the workbench by pedestal, the motion end that high-frequency induction heating coil passes through adiabatic transition part and heating cylinder
It is coupled；
The pneumatic scissors component includes scissors pedestal, scissors driving cylinder, I-shaped adapter, T-connecting piece, pneumatic
Scissors, T shape support and scissors sliding rail, the scissors pedestal are installed on the workbench, and scissors driving cylinder is mounted on scissors pedestal
On, pneumatic scissors drive the motion end of cylinder to be coupled by I-shaped adapter and T-connecting piece with scissors, pneumatic scissors
Be mounted on T shape support, T shape support is mounted on scissors sliding rail, pneumatic scissors can scissors drive cylinder driving under along
Scissors sliding rail moves back and forth；
The laser welding component includes laser welding head, angle-regulating block, electronic mould group, fixed plate and portal frame, institute
Laser welding head is stated to be coupled by angle-regulating block and electronic mould group；Electronic mould group is mounted on portal frame by fixed plate
On, the portal frame both ends are installed on the workbench；
The aligning device assembly includes multiple rollers that multiple roller height adjustment rocking bars and two rows are staggered, institute
Roller height adjustment rocking bar is stated 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 copper core support component includes pedestal, support cylinder, U-shaped adapter and copper core supporting element；The copper core support
Part is coupled by the actuating strut of U-shaped adapter and support cylinder, and support cylinder is fixed on the base, and pedestal is fixed on work
On platform；There are two opposite supporting vertical plate, the top of the supporting vertical plate is provided with for branch for setting on the copper core supporting element
Support the groove of hollow copper core；
The extruding wheel assembly includes two extruding wheels, two L shape adapters, pneumatic clamper, connector, rod failure cylinder and branch
Seat；Support is installed on the workbench, and rod failure cylinder is fixedly mounted on the support, and pneumatic clamper is fixedly mounted on rod failure gas by adapter
On cylinder, two L shape adapters are separately mounted on two pneumatic clamper arms of pneumatic clamper, a pair of two extruding wheels being correspondingly arranged up and down point
It Tong Guo not be threadedly engaged and be mounted on two L shape adapters；Rod failure cylinder can drive two extruding wheels or so synchronizing moving, pneumatic clamper
Two extruding wheels can be driven to be located remotely from each other or close.
The invention has the following beneficial effects:
1, two kinds of processes of laser welding and high frequency induction welding are combined with each other by the present invention, first with Laser Welding female connector
It connects section pipe side and obtains laser girth joint, then carry out high frequency induction welding, when running through extruding wheel, due to being socketed the pipe side of section
It is closed by preamble laser girth joint, fusing metal will be extruded from the core side of socket section (leaning on copper core side), to realize
The solid phase for being socketed section weld metal is coupled, and efficiently solves traditional simple incident local melting base material of high frequency induction welding and flows into
The stifled problem of weldering is formed inside copper pipe；
2, the pipe side that hollow copper tubing-hollow copper core retainer plate that the present invention obtains connects that section welding point includes a high quality is swashed
The high-frequency induction weld seam of ring of light weld seam (preferred there are also a core side laser girth joints) and a large area, it is on the one hand high-quality
Amount laser girth joint ensure that the leakproofness of socket section, solve easy leakage problem, the high-frequency induction weld seam of another aspect large area
Enough soldering areas are provided, ensure that enough telescopic lap splice integral strength mechanical properties, stress during being on active service is solved and opens
Split problem；
3, the present invention only needs laser single-pass welding, and than the multiple tracks overlaying method using pure laser welding, technique is more
Simply, quickly, cost is lower；
4, the present invention also provides a kind of high-frequency induction laserHybrid welding connection device for being socketed hollow copper tubing, one sides of the device
Face realizes the Compound Machining of laser welding Yu two kinds of processes of high frequency induction welding, to obtain the excellent technique of above-mentioned 1-3
Effect, on the other hand, the device include a series of structures such as automation loading and unloading, workpiece turning, realize hollow copper tubing-sky
Full-automatic feeding, blanking, socket assembly, cutting and the processing of high-frequency induction laser compound welding of heart copper core, ensure that welding
The repeatability of processing quality, substantially increases production efficiency, reduces production cost.
Detailed description of the invention
Fig. 1 is the overall structure figure of laser high-frequency induction heating composite welding apparatus of the present invention；
Fig. 2 is the part-structure figure of laser high-frequency induction heating composite welding apparatus of the present invention；
Fig. 3 is the structure chart of the workpiece after welding；
Fig. 4 is the structure chart of three-jaw cylinder 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 high-frequency induction heating component；
Fig. 8 is the structure chart of pneumatic scissors component；
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 copper core support component；
Figure 12 is the structure chart for squeezing wheel assembly.
The meaning of each label is as follows in figure:
Workbench 1 clamps rotary components 2, is loading assemblies 3, rotation take-off assembly 4, high-frequency induction heating component 5, pneumatic
Cutting assemblies 6, laser welding component 7, aligning device assembly 8, copper core support component 9, squeeze wheel assembly 10, hopper 11, workpiece 12,
Hollow copper tubing 1201, hollow copper core 1202, servo motor 201, motor support base 202, flange 203, three-jaw cylinder 204, pneumatic clamper hand
Refer to 205, sliding slot 301, feeding bracket 302, vibrating disk 303, X to cylinder 401, guide-rail plate 402, cylinder fixed seat 403, X to cunning
Rail 404, insertion fastener 405, movable plate 406, band guide rail cylinder 407, adapter 408, rotary cylinder fixed plate 409, rotary pneumatic
Cylinder 410, two pawl cylinders 411, pneumatic-finger 412, Y-direction cylinder 413, cylinder 501, pedestal 502, adiabatic transition part 503, high frequency sense
Answer heating coil 504, scissors pedestal 601, scissors driving cylinder 602, I-shaped adapter 603, T-connecting piece 604, pneumatic clipper
Knife 605, T shape support 606, scissors sliding rail 607, laser welding head 701, angle-regulating block 702, electronic mould group 703, fixed plate
704, portal frame 705, roller height adjustment rocking bar 801, roller 802, support base 901, support cylinder 902, U-shaped adapter
903, copper core supporting element 904, extruding wheel 1001, L shape adapter 1002, pneumatic clamper 1003, pneumatic clamper adapter 1004, rod failure cylinder
1005, erection support 1006.
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 high-frequency induction laser compound welding methods for being socketed hollow copper tubing, are used for hollow copper tubing
Socket assembly and the hollow copper core 1202 of sealing welding, formation workpiece are realized with the smaller hollow copper core 1202 of diameter in 1201 two sides
12.This method specifically comprises the following steps:
(1) clamping hollow copper tubing 1201；
(2) one end of hollow copper core 1202 is inserted into hollow copper tubing 1201, the two clearance fit, gap width 0.01mm~
0.3mm is socketed length 2mm~10mm；
(3) high-frequency induction heating coil is set in the lower section that hollow copper core 1202 is socketed section with hollow copper tubing 1201, it is desirable that
Coil shape and size and socket section Corresponding matching are no more than socket length, i.e., direct induction heating along socket section axial dimension
Region control is being socketed within section region；
The extruding wheel of the top setting high frequency induction welding of section is socketed with hollow copper tubing 1201 in hollow copper core 1202；
(4) outgoing laser beam focuses on hollow copper core 1202 with hollow copper tubing 1201 and is socketed the pipe pendant positions of section (by copper
Pipe side), spot welding is fixed, the relative position for preliminary fixation hollow copper core 1202 and hollow copper tubing 1201；
(5) according to the length requirement of workpiece, hollow copper core 1202 is cut using pneumatic scissors, and protect on supporting element 904
Maintain an equal level weighing apparatus；
(6) outgoing laser beam drives hollow copper core 1202 at the uniform velocity to rotate together with hollow copper tubing 1201 by servo motor,
So that one circle of pipe pendant positions scanning that laser beam is socketed section along hollow copper core 1202 with hollow copper tubing 1201 is focused, by setting
Fixed technological parameter (laser power, defocusing amount, copper pipe rotation speed) appropriate realizes the control of laser overlaying welding depth, that is,
Make hollow copper tubing 1201 and hollow copper core 1202 realization melting soldering and fusion penetration is no more than hollow copper in-core wall surface (non-penetrating type heap
Weldering), to obtain the pipe side laser girth joint that hollow copper core 1202 is socketed section with hollow copper tubing 1201；
(7) high-frequency induction heating coil is powered, and drives hollow copper core 1202 at the uniform velocity to rotate by servo motor, so that hollow
It is uniform that copper core 1202 and hollow copper tubing 1201 are socketed section preheating；
(8) after preheating temperature reaches setting value, socket section high-frequency induction heating region is sent out under the action of high-frequency current
Raw skin layer fusing, when running through extruding wheel, since the pipe side of socket section has been closed by preamble laser girth joint, fusing
Metal will be extruded from the core side of socket section (leaning on copper core side), to realize that the solid phase of socket section weld metal is coupled；
Preferably, can then outgoing laser beam, hollow copper core 1202 and hollow copper tubing 1201 are driven by servo motor
It at the uniform velocity rotates together, is socketed the core pendant positions of section again with hollow copper tubing 1201 along hollow copper core 1202 so that focusing laser beam
One circle of scanning realizes that laser overlaying welding is deep by setting technological parameter (laser power, defocusing amount, copper pipe rotation speed) appropriate
The control of degree, even if hollow copper tubing 1201 and hollow copper core 1202 realize melting soldering and fusion penetration is no more than hollow copper in-core wall surface
(non-penetrating type built-up welding), to obtain the core side laser girth joint that hollow copper core 1202 is socketed section with hollow copper tubing 1201；
(9) by the soldered 1201 flip horizontal 180 degree of hollow copper tubing in one end, make the unwelded end of hollow copper tubing 1201
It is opposite with 1202 position of hollow copper core of feeding；
(10) step (2)-(8) are repeated, the welding of 1201 other end of hollow copper tubing is completed.
The present invention also provides a kind of high-frequency induction laserHybrid weldings of socket hollow copper tubing for realizing the above method
Connection device, as shown in figs. 1-12, the device specifically include workbench 1, and be mounted on workbench 1 clamping rotary components 2,
Loading assemblies 3, rotation take-off assembly 4, high-frequency induction heating component 5, pneumatic scissors component 6, laser welding component 7, straightener
Component 8, squeezes wheel assembly 10 and hopper 11 at copper core support component 9.
The clamping rotary components 2 are used for clamping hollow copper tubing 1201, and realize the rotary motion of hollow copper tubing 1201.Institute
Loading assemblies 3 are stated for the hollow copper tubing 1201 of fixed length in vibrating disk to be delivered to feeding station.The rotation take-off assembly 4 is used
It clamps in by the hollow copper tubing 1201 of feeding station to welding post, and realizes the rotary motion of hollow copper tubing 1201.It is described
High-frequency induction heating component 5 is for preheating hollow copper tubing 1201 and sky in welding post by high-frequency induction heating coil
Heart copper core 1202.The laser welding component 7 realizes swashing for hollow copper tubing 1201 and hollow copper core 1202 for outgoing laser beam
Photocoagulation.Hollow copper core 1202 is delivered to welding post for aligning hollow copper core 1202 by the aligning device assembly 8.Institute
Pneumatic scissors component 6 is stated for cutting hollow copper core 1202 after welding.The hopper 11 after collecting welding for forming
Workpiece 12.The copper core support component 9 is used to support the hollow copper core 1202 after cutting, it is made to keep balance.The extruding
Wheel assembly 10 realizes high frequency induction welding for assisting.
The clamping rotary components 2 are gentle including 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 workbench 1 by motor support base 202, three-jaw cylinder 204 by flange 203 with
Servo motor 201 cooperates to realize coaxial assembly, and pneumatic clamper finger 205 is installed on three-jaw cylinder 204, and the two forms clamping structure
For clamping hollow copper tubing 1201.
The loading assemblies 3 include the elastic interstage sleeves of vibrating disk 303,302, two sliding slots 301 of feeding bracket and two, described
The bottom of feeding bracket 302 is mounted on workbench 1, described two sliding slots 301 it is separated by a distance be vertically installed at feeding
On bracket 302；Two elastic interstage sleeves are separately mounted to the end of two sliding slots 301；The output end of vibrating disk 303 extends to two
The position of sliding slot 301；Hollow copper tubing 1201 is delivered at two sliding slots 301 through vibrating disk 303, falls into two 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 insertion fastener 405, and the guide-rail plate 402 is fixedly mounted by screw
On workbench 1；The two sides setting of guide-rail plate 402 is fluted, and movable plate 406 assembles in the groove, between guide-rail plate 402
Gap cooperation, the two group 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 sliding rail 404；Insertion fastener 405 is mounted on X to sliding rail 404, forms with X to sliding rail 404
One straight line kinematic pair；X is connected to the motion end of cylinder 401 with insertion fastener 405, is embedded in fastener 405 along X to sliding rail for driving
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
Be mounted 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 insertion fastener 405, and then drive guide-rail plate
402 move in a straight line along the groove of 402 two sides of guide-rail plate.Band guide rail cylinder 407 is mounted on insertion fastener 405, band guide rail
The guide rail direction of cylinder 407 is 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 moved synchronously 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 clamping movement can be achieved.
The high-frequency induction heating component 5 includes heating cylinder 501, pedestal 502, adiabatic transition part 503 and high-frequency induction
Heating coil 504, heating cylinder 501 are mounted on workbench 1 by pedestal 502, and high-frequency induction heating coil 504 passes through insulation
Adapter 503 and the motion end of heating cylinder 501 are coupled.
The pneumatic scissors component 6 includes scissors pedestal 601, scissors driving cylinder 602, I-shaped adapter 603, T shape
Connector 604, pneumatic scissors 605, T shape support 606 and scissors sliding rail 607, the scissors pedestal 601 are mounted on workbench 1,
Scissors driving cylinder 602 is mounted on scissors pedestal 601, and pneumatic scissors 605 pass through I-shaped adapter 603 and T-connecting piece
604 drive the motion end of cylinder 602 to be coupled with scissors, and pneumatic scissors 605 are mounted on T shape support 606, T shape support 606
It is mounted on scissors sliding rail 607, pneumatic scissors 605 can be reciprocal along scissors sliding rail 607 under the driving that scissors drives cylinder 602
Movement.
The laser welding component 7 includes laser welding head 701, angle-regulating block 702, electronic mould group 703, fixed plate
704 and portal frame 705, the laser welding head 701 is coupled by angle-regulating block 702 with electronic mould group 703, Jin Erke
To realize that laser welding head 701 processes the adjustment of focal length；Electronic mould group 703 is mounted on portal frame 705 by fixed plate 704,
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 1202 is passed through between two rows roller, realizes aligning and feeding.
The copper core support component 9 includes support base 901, support cylinder 902, U-shaped adapter 903 and copper core supporting element
904.The copper core supporting element 904 is coupled by the actuating strut of U-shaped adapter 903 and support cylinder 902, supports cylinder
902 are fixed in support base 901, and support base 901 is fixed on workbench 1.Two are provided on the copper core supporting element 904
A opposite supporting vertical plate, the top of the supporting vertical plate are provided with the groove for being used to support hollow copper core 1202.
The extruding wheel assembly 10 includes two extruding wheels, 1001, two L shape adapters 1002, pneumatic clamper 1003, pneumatic clamper turn
Fitting 1004, rod failure cylinder 1005 and support 1006.Support 1006 is mounted on workbench 1, and rod failure cylinder 1005 is fixedly mounted
On support 1006, pneumatic clamper 1003 is fixedly mounted on rod failure cylinder 1005 by pneumatic clamper adapter 1004, two L shape adapters
1002 are separately mounted on two pneumatic clamper arms of pneumatic clamper 1003, and a pair of two extruding wheels 1001 being correspondingly arranged up and down pass through respectively
It is threadedly engaged and is mounted on two L shape adapters 1002.Rod failure cylinder 1005 can drive two extruding wheels or so synchronizing moving, gas
Pawl 1003 can drive two extruding wheels to be located remotely from each other or close.
The course of work of the high-frequency induction laserHybrid welding connection device of above-mentioned socket hollow copper tubing are as follows:
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) between two elastic interstage sleeves where hollow copper tubing 1201 by 407 cooperations,
And hollow copper tubing 1201 is clamped using pneumatic-finger 412, and move to hollow 1202 position of copper core, make hollow copper core
In 1202 one end insertion hollow copper tubing 1201, feeding action is completed.Later, the pneumatic clamper finger 205 for clamping rotary components 2 clamps
Hollow copper tubing 1201, pneumatic-finger 412 unclamp；Outgoing laser beam focuses on hollow copper core 1202 and is socketed with hollow copper tubing 1201
The pipe pendant positions (leaning on copper pipe side) of section, are fixed spot welding, are used for preliminary fixation hollow copper core 1202 and hollow copper tubing
1201 relative position；Then, according to the length requirement of workpiece, start scissors and drive cylinder 602, cut using pneumatic scissors 605
Break hollow copper core 1202, and keeps balance on supporting element 904；Outgoing laser beam again clamps rotary components 2 and drives hollow copper
Core 1202 at the uniform velocity rotates together with hollow copper tubing 1201, so that focusing laser beam along hollow copper core 1202 and hollow copper tubing 1201
It is socketed one circle of pipe pendant positions scanning of section, is swashed to obtain the pipe side that hollow copper core 1202 is socketed section with hollow copper tubing 1201
Ring of light weld seam.
Then, high-frequency induction heating coil 504 is powered, and drive hollow 1202 He of copper core by clamping rotary components 2
Hollow copper core 1202 at the uniform velocity rotates, so that hollow copper core 1202 and hollow copper tubing 1201 are socketed section preheating uniformly；Work as preheating temperature
After reaching setting value, skin layer fusing occurs under the action of high-frequency current for socket section high-frequency induction heating region, fast at this time
Speed control squeezes two extruding wheels, the 1001 mutual extrusion high-frequency induction heating region in wheel assembly 10, due to being socketed the pipe side of section
End is closed by preamble laser girth joint, and fusing metal will be extruded from the core side of socket section (leaning on copper core side), thus real
The solid phase for being now socketed section weld metal is coupled.
After the welding of 1201 side of hollow copper tubing, pneumatic clamper finger 205 is unclamped, clamps pneumatic-finger 412, control rotation
Cylinder 410 drives hollow copper tubing 1201 to rotate 180 °, carries out the welding of the other side, welds and finish to 1201 two sides of hollow copper tubing
Afterwards, rotation take-off assembly 4 is stepped back, and two extruding wheels 1001 for squeezing wheel assembly 10 are unclamped and stepped back, and pneumatic clamper finger 205 unclamps,
Hollow copper tubing 1201 is automatically fallen into hopper 11.
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 modified as all, is included within this right
Within the scope of it is required that.
Claims (1)
1. a kind of high-frequency induction laserHybrid welding connection device for being socketed hollow copper tubing, which is characterized in that including workbench (1), with
And it is mounted on clamping rotary components (2), loading assemblies (3), rotation take-off assembly (4), high-frequency induction heating on workbench (1)
Component (5), pneumatic scissors component (6), laser welding component (7), aligning device assembly (8), copper core support component (9), extruding wheel
Component (10) and hopper (11)；
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), and servo motor (201) is mounted on workbench (1) by motor support base (202), three-jaw cylinder
(204) cooperated by flange (203) with servo motor (201) to realize coaxial assembly, pneumatic clamper finger (205) is installed on three-jaw gas
On cylinder (204), the two forms clamping structure and is used for clamping hollow copper tubing (1201)；
The loading assemblies (3) include vibrating disk (303), feeding bracket (302), the elastic interstage sleeves of two sliding slots (301) and two,
The bottom of the feeding bracket (302) is mounted on workbench (1), separated by a distance vertical of described two sliding slots (301)
It is mounted on feeding bracket (302)；Two elastic interstage sleeves are separately mounted to the end of two sliding slots (301)；Vibrating disk (303)
Output end extends to the position of two sliding slots (301)；Hollow copper tubing (1201) 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) includes X to cylinder (401), guide-rail plate (402), cylinder fixed seat (403), X to sliding rail
(404), fastener (405), movable plate (406), band guide rail cylinder (407), adapter (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 to sliding rail (404) and is embedded in fastener (405) group to cylinder (401), movable plate (406), cylinder fixed seat (403), X
At X-direction mobile mechanism, the guide-rail plate (402) is fixedly mounted on workbench (1) by screw；The two of guide-rail plate (402)
Side setting is fluted, and movable plate (406) assembles in the groove, and with guide-rail plate (402) clearance fit, the two group is in line
Kinematic pair；X is fixedly mounted on movable plate (406) to cylinder (401) by cylinder fixed seat (403)；X is solid to sliding rail (404)
Dingan County is on movable plate (406)；Insertion fastener (405) is mounted on X to sliding rail (404), forms always with X to sliding rail (404)
Line kinematic pair；X is connected to the motion end of cylinder (401) with insertion fastener (405), is embedded in fastener (405) along X to cunning for driving
Rail (404) moves in a straight line；
The adapter (408) and Y-direction cylinder (413) form Y-direction mobile mechanism, and the Y-direction cylinder (413) is solid by bracket
On workbench (1), adapter (408) is connected with the motion end of Y-direction cylinder (413) for Dingan County, adapter (408) while and X
Insertion fastener (405) connection in the mobile mechanism of direction；Y-direction cylinder (413) can drive adapter (408) and insertion fastener
(405), and then guide-rail plate (402) is driven to move in a straight line along the groove of guide-rail plate (402) two sides；Band guide rail cylinder (407)
It is mounted in insertion fastener (405), the guide rail direction with guide rail cylinder (407) is Z-direction；
The rotary cylinder fixed plate (409), rotary cylinder (410), two pawl cylinders (411), two pneumatic-finger (412) compositions
180 ° of rotating mechanisms, rotary cylinder fixed plate (409) are fixedly mounted on band guide rail cylinder (407), with band guide rail cylinder (407)
It moves synchronously；Rotary cylinder (410) is mounted on rotary cylinder fixed plate (409), and two pawl cylinders (411) are mounted on rotary cylinder
(410) motion end can do 180 ° of rotary motions under the driving of two pawl cylinders (411)；Two pneumatic-fingers (412) are mounted on
On two pawl cylinders (411), the two, which cooperates, can be achieved clamping movement；
The high-frequency induction heating component (5) includes heating cylinder (501), pedestal (502), adiabatic transition part (503) and high frequency
Load coil (504), heating cylinder (501) are mounted on workbench (1) by pedestal (502), high-frequency induction heating line
Circle (504) is coupled by adiabatic transition part (503) and the motion end of heating cylinder (501)；
The pneumatic scissors component (6) include scissors pedestal (601), scissors driving cylinder (602), I-shaped adapter (603),
T-connecting piece (604), pneumatic scissors (605), T shape support (606) and scissors sliding rail (607), scissors pedestal (601) peace
On workbench (1), scissors driving cylinder (602) is mounted on scissors pedestal (601), and pneumatic scissors (605) pass through I-shaped
Type adapter (603) and T-connecting piece (604) and the motion end of scissors driving cylinder (602) are coupled, pneumatic scissors
(605) it is mounted on T shape support (606), T shape support (606) is mounted on scissors sliding rail (607), and pneumatic scissors (605) can be
It is moved back and forth under the driving of scissors driving cylinder (602) along scissors sliding rail (607)；
The laser welding component (7) includes laser welding head (701), angle-regulating block (702), electronic mould group (703), fixes
Plate (704) and portal frame (705), the laser welding head (701) are matched by angle-regulating block (702) with electronic mould group (703)
Close installation；Electronic mould group (703) is mounted on portal frame (705) by fixed plate (704), portal frame (705) the both ends peace
On workbench (1)；
Aligning device assembly (8) includes multiple roller height adjustment rocking bar (801) and multiple rollers that two rows are staggered
Sub (802), roller height adjustment rocking bar (801) are used for the distance between the row's of adjusting roller and lower roll；Hollow copper
Core (1202) is passed through between two rows roller, realizes aligning and feeding；
The copper core support component (9) includes support base (901), support cylinder (902), U-shaped adapter (903) and copper core branch
Support member (904)；The copper core supporting element (904) is by U-shaped adapter (903) and the actuating strut of cylinder (902) is supported to cooperate peace
Dress, support cylinder (902) are fixed on support base (901), and support base (901) is fixed on workbench (1)；The copper core
There are two opposite supporting vertical plates for setting on supporting element (904), and the top of the supporting vertical plate, which is provided with, is used to support hollow copper
The groove of core (1202)；
The extruding wheel assembly (10) includes two extruding wheels (1001), two L shape adapters (1002), pneumatic clamper (1003), gas
Pawl adapter (1004), rod failure cylinder (1005) and support (1006)；Support (1006) is mounted on workbench (1), rod failure gas
Cylinder (1005) is fixedly mounted on support (1006), and pneumatic clamper (1003) is fixedly mounted on rod failure gas by pneumatic clamper adapter (1004)
On cylinder (1005), two L shape adapters (1002) are separately mounted on two pneumatic clamper arms of pneumatic clamper (1003), a pair of corresponding up and down
Two extruding wheels (1001) being arranged are mounted on two L shape adapters (1002) by being threadedly engaged respectively；Rod failure cylinder
(1005) two extruding wheels or so synchronizing moving can be driven, pneumatic clamper (1003) can drive two extruding wheels to be located remotely from each other or close.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282339.3A CN108436463B (en) | 2017-01-10 | 2017-01-10 | A kind of high-frequency induction laserHybrid welding connection device being socketed hollow copper tubing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015356.6A CN106493575B (en) | 2017-01-10 | 2017-01-10 | A kind of high-frequency induction laser compound welding method and device of socket hollow copper tubing |
| CN201810282339.3A CN108436463B (en) | 2017-01-10 | 2017-01-10 | A kind of high-frequency induction laserHybrid welding connection device being socketed hollow copper tubing |
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| CN201710015356.6A Division CN106493575B (en) | 2017-01-10 | 2017-01-10 | A kind of high-frequency induction laser compound welding method and device of socket hollow copper tubing |
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| CN108436463B true CN108436463B (en) | 2019-05-28 |
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| CN201810282339.3A Active CN108436463B (en) | 2017-01-10 | 2017-01-10 | A kind of high-frequency induction laserHybrid welding connection device being socketed hollow copper tubing |
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| CN111037260A (en) * | 2019-12-23 | 2020-04-21 | 深圳市威雄精机有限公司 | Combined cutting tool manufacturing device |
| CN113714687A (en) * | 2021-08-19 | 2021-11-30 | 广州创研智能科技有限公司 | Barrel flange weldment work station |
| CN114515942A (en) * | 2022-04-02 | 2022-05-20 | 武汉银海铜业有限公司 | Traceless welding process for internal thread copper pipe |
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| CN201079890Y (en) * | 2007-07-26 | 2008-07-02 | 中国电子科技集团公司第二十三研究所 | Crinkling outer conductor high frequency coaxial cable laser welding device |
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| CN1267238C (en) * | 2003-12-26 | 2006-08-02 | 华中科技大学 | Laser-high frequency induction composite welder and its method |
| CN101412153B (en) * | 2008-11-07 | 2011-03-16 | 北京智博高科生物技术有限公司 | Process and equipment for welding sealing thin-wall metal tube using laser technique |
| CN103447701A (en) * | 2013-08-29 | 2013-12-18 | 张家港市恒运新材料科技有限公司 | Laser high-frequency composite welding device and welding method of laser high-frequency composite welding device |
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|---|---|---|---|---|
| US8781589B1 (en) * | 2006-03-31 | 2014-07-15 | Alfred E. Mann Foundation For Scientific Research | Method of bonding zirconia to platinum |
| CN201079890Y (en) * | 2007-07-26 | 2008-07-02 | 中国电子科技集团公司第二十三研究所 | Crinkling outer conductor high frequency coaxial cable laser welding device |
| CN103071910A (en) * | 2013-01-14 | 2013-05-01 | 广东工业大学 | Double-ultrasonic-high-frequency induction combined precision micro-connection device and method |
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| CN106493575B (en) | 2018-08-28 |
| CN106493575A (en) | 2017-03-15 |
| CN108436463A (en) | 2018-08-24 |
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