CN106392230A - Induction brazing system and welding method - Google Patents
Induction brazing system and welding method Download PDFInfo
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- CN106392230A CN106392230A CN201610911186.5A CN201610911186A CN106392230A CN 106392230 A CN106392230 A CN 106392230A CN 201610911186 A CN201610911186 A CN 201610911186A CN 106392230 A CN106392230 A CN 106392230A
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- 230000006698 induction Effects 0.000 title claims abstract description 234
- 238000003466 welding Methods 0.000 title claims abstract description 226
- 238000005219 brazing Methods 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 34
- 238000005476 soldering Methods 0.000 claims description 16
- 230000033228 biological regulation Effects 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000013519 translation Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 10
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- 239000002184 metal Substances 0.000 description 5
- 230000008439 repair process Effects 0.000 description 5
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- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/002—Soldering by means of induction heating
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Dermatology (AREA)
- General Health & Medical Sciences (AREA)
- General Induction Heating (AREA)
Abstract
The invention relates to an induction brazing system and a welding method, wherein the induction brazing system comprises a welding head device, the welding head device comprises an induction coil (1), the induction coil (1) is of an openable structure, a channel enabling a to-be-welded piece to reach a heating position in the induction coil (1) can be formed when the induction coil (1) is opened, the channel surrounds the periphery of a welding part after being folded, and the welding part is brazed in an electrified heating mode. The induction coil can adapt to welding parts to be welded with different sizes in a certain range by adjusting the folding degree of the induction coil, and the size range of the application of the induction coil can be widened, so that the universality of an induction brazing system is improved; and the parts to be welded in different shapes can conveniently reach the heating position in the induction coil without being limited by the shape of the parts to be welded, and the use convenience and adaptability of an induction brazing system can be improved, so that the welding efficiency is improved.
Description
Technical field
The present invention relates to welding technology field, especially for the welding of parts in refrigeration plant, more particularly, to a kind of
Induction brazing system and welding method.
Background technology
Based on gas brazing, in technical process, there are the following problems for gas brazing for the welding of refrigeration industry at present：Work
Part heating-up temperature is subject to hot gas such as liquefied gas and oxygen fluctuation larger, affects workpiece brazing quality；Gas brazing process moderate heat
Flame burning can produce dazzling light, flue dust and high noisy, severe operational environment, and there is the potential safety hazard of gas explosion；Flame
Soldering is subject to employee skill influence degree big, and production process is uncontrollable.
The drawbacks described above existing for gas brazing, adopts induction brazing to substitute gas brazing in prior art.Sensing pricker
It is welded in the periphery making induction coil be enclosed in position to be welded during operation, and is passed through alternating current to induction coil, just can utilize
The current induced magnetic field of alternation is coupling in formation induction electromotive force on metal works again, forms closed loop current on metal works,
And be converted into Jiao Erre make metal works heat up, using this characteristic can by metal welding workpiece heat to brazing temperature, thus
Realize induction brazing function.
Induction brazing can eliminate combustion gas fluctuation and lead to the unstable problem of heating-up temperature, and eliminates flame combustion generation
Dazzling light, flue dust and high noisy are hence it is evident that improve welding operation environment, and eliminate gas explosion potential safety hazard, realize environment-friendly type
Soldering produces, and does not need to use gas pipeline, reduces workshop pipe-line layout, eliminates station of getting angry, makes plant layout simpler
Clean.
Carry out for the ease of being placed in the welding position of to-be-welded pieces in induction coil during induction brazing in prior art, one
As using as shown in Figure 1a carry opening U-shaped induction coil, because U-shaped induction coil has opening, can there is leakage at opening
Magnetic phenomenon, this will lead to there are intensification hysteresis at opening in heating, and the bigger leakage field of opening is more serious, so for weldering
Connect the bigger pipe of diameter, welding effect is poorer；If being heated to same temperature, U-shaped coil needs more times,
Thus affecting welding efficiency.
In order to improve welding efficiency, as shown in Figure 1 b, another kind of scheme is the circular induction coil using closure, circular sense
Although answering coil can reduce leakage field phenomenon, adaptability is poor, for some big at both ends and small in middle, or weld seam two ends
There is the polymorphic structure of dogleg section, the circular induction coil of closure is all difficult to be enclosed within welding position and is heated.In addition, Fig. 1 a and
Induction coil shown in Fig. 1 b, when needing the to-be-welded pieces for different size scope, will design the sensing of different-diameter
Coil is so that the versatility of induction coil is poor.
Content of the invention
The purpose of the present invention is to propose to a kind of induction brazing system and welding method, it is possible to increase the versatility of induction coil
And adaptability.
For achieving the above object, first aspect present invention provides a kind of induction brazing system, including welding tip device, institute
State welding tip device and include induction coil, described induction coil be can opening-closing structure, can be formed when opening makes to-be-welded pieces
Reach the passage of heating location in described induction coil, and be enclosed in the periphery of welding position after folding and with electrified regulation
Mode carries out soldering to welding position.
Further, described induction coil includes at least two coil portions, coil portion described at least two can by
Direction motion realization away from the heating location of described to-be-welded pieces is opened, and by the heating position near described to-be-welded pieces
The direction motion realization put folds, and forms, to enclose, the described induction coil being adapted with described welding position.
Further, described induction coil includes two coil portions, and one end of two described coil portions is rotatably coupled,
Can be opened by rotating realization or fold.
Further, described induction coil includes two coil portions, and two described coil portions can be translated in fact by reverse
Now open or fold.
Further, also include power supply, two described coil portions are powered using common described power supply, two described coils
Portion contacts with each other away from the free end of described power supply to form the loop that power supply stream passes through.
Further, also include power supply, two described coil portions are powered using independent described power supply, each described coil
Portion itself can form the loop that power supply stream passes through.
Further, described welding tip device also includes driver part, and described driver part is used for driving described coil portion
Open or fold.
Further, the free end of coil portion described at least two is to the direction of the heating location near described to-be-welded pieces
Bending.
Further, it is consistent with the spacing of welding position everywhere in the circumferential after described induction coil folds.
Further, control device, robot and sighting device are also included, described control device can control described machine
People moves to welding position position to be positioned first to described induction coil according to default path, and according to described
The welding position of sighting device detection carries out second positioning to described induction coil, so that described induction coil reaches weld part
Position.
Further, described induction coil includes at least two coil portions, and described welding tip device also includes driver part,
Described control device can control described driver part by described at least two after described induction coil is positioned at welding position
Coil portion is opened.
Further, described robot includes manipulator part, and described manipulator part can drive described induction coil
Rotate and welded with angle as required.
Further, described sighting device can also be to weld part after described induction coil carries out soldering to welding position
The welding quality of position is detected, the welding quality that described control device can detect welding position in described sighting device is not
Meet and control described induction coil to carry out supplementing welding again when requiring.
For achieving the above object, second aspect present invention provides a kind of welding method based on induction brazing system, bag
Include：
Described induction coil is opened and make described to-be-welded pieces to reach the heating location in described induction coil；
Described induction coil is folded to be enclosed in the periphery of described welding position；
To welding position, soldering is carried out in the way of electrified regulation to described induction coil.
Further, described induction brazing system includes control device, robot and sighting device, by the described line of induction
Before circle is opened and makes described to-be-welded pieces reach the step of heating location in described induction coil, also include：
Described control device controls described robot to move to welding position position with to institute according to default path
State induction coil to be positioned first；
Described control device carries out second positioning according to the welding position that described sighting device detects to described induction coil,
So that described induction coil reaches welding position.
Further, described induction brazing system includes control device, and described induction coil includes at least two coil portions,
Described welding tip device also includes driver part, and the step described induction coil opened or folds described induction coil is concrete
Including：
Described control device controls described driver part to open coil portion described at least two or fold.
Further, described induction coil is carried out to welding position in the way of electrified regulation soldering step it
Afterwards, also include：
Welding position is incubated, and again welding position is cooled down after insulation Preset Time.
Further, described induction brazing system includes control device, robot and sighting device, and welding position is being entered
After the step of row cooling, described welding method also includes：
Described sighting device detects to the welding quality of welding position；
Control institute when the welding quality that described control device detects welding position in described sighting device is unsatisfactory for requiring
State induction coil to carry out supplementing welding.
Further, described to-be-welded pieces include multiple welding positions, and described welding method includes：
After the welding of one of welding position is finished, described control device controls described robot by the described line of induction
The mobile extremely next welding position of circle.
Based on technique scheme, the induction brazing system of the present invention, by by induction coil be designed as can opening-closing structure,
The passage making to-be-welded pieces reach heating location in induction coil can be formed when opening, and be enclosed in weld part after folding
The periphery of position carries out soldering to welding position.This kind of induction coil can be adapted to necessarily by adjusting the degree that folds of induction coil
In the range of various sizes of to-be-welded pieces, can widen induction coil application size range, thus improving induction brazing system
Versatility；And to-be-welded pieces of different shapes can be made after opening induction coil easily to reach adding in induction coil
Thermal potential is put, and is not limited by to-be-welded pieces shape, it is possible to increase the property easy to use of induction brazing system and adaptability, thus carrying
High welding efficiency.
Brief description
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 a and Fig. 1 b is the induction coil configuration schematic diagram that in prior art, induction brazing system adopts；
Fig. 2 is the front view of an embodiment of induction brazing system of the present invention；
Fig. 3 is the top view of induction brazing system shown in Fig. 2；
Fig. 4 is the front view of an embodiment of welding tip device in induction brazing system of the present invention；
Fig. 5 is the top view of welding tip device shown in Fig. 4；
Fig. 6 is the operation principle schematic diagram of induction brazing system of the present invention；
Fig. 7 to Figure 10 is induction brazing systematic difference example schematic of the present invention.
Specific embodiment
The present invention described further below.In the following paragraphs, define the different aspect of embodiment in more detail.So
The each side limiting can be combined with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially,
Be considered as preferred or favourable any feature can one or more with other be considered as preferred or favourable feature group
Close.
The term descriptions merely for convenience such as " first ", " second " occurring in the present invention, have same names to distinguish
Different building blocks, be not offered as successively or primary-slave relation.
In describing the invention, employ " on ", D score, the orientation of instruction such as " left " and " right " or position relationship be base
In orientation shown in the drawings or position relationship, it is for only for ease of the description present invention, rather than the device of instruction or hint indication
Must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limit to the scope of the present invention
System.
There is certain restriction in view of induction coil of the prior art when using it is impossible to flexibly be adapted to difference
The to-be-welded pieces of shape and size, the invention provides a kind of improved induction brazing system, as shown in Figures 2 to 5, including weldering
Piecing devices, welding tip device includes induction coil 1, induction coil 1 be can opening-closing structure, can be formed when opening make to be welded
Fitting reaches the passage of heating location in induction coil 1, and a kind of adoptable mode is that to-be-welded pieces remain stationary as, and makes the line of induction
Circle 1 is opened and is moved to to-be-welded pieces and enters in induction coil 1 from passage, and another kind of adoptable mode is induction coil 1 dozen
Remain stationary as after opening, so that to-be-welded pieces is moved and enter in induction coil 1 from passage.
And, induction coil 1 also can be enclosed in periphery the butt welding in the way of electrified regulation of welding position after folding
Socket part position carries out soldering.When carrying out soldering, it is passed through alternating current to induction coil 1, the electric current of alternation just can be utilized to produce magnetic
Field is coupling in formation induction electromotive force on metal works again, and forms closed loop current in metal to-be-welded pieces, and is converted into Jiao
Your heat makes to-be-welded pieces heat up, until being heated to brazing temperature, thus realizing induction brazing function.
The folding degree and can be adjusted according to the size difference of to-be-welded pieces of induction coil 1 in this embodiment, thus place
Both can be the structure of periphery closing or in order to adapt to the size of to-be-welded pieces in the induction coil 1 of collapse state
Non-close structure with local openings, thus, this kind of induction coil 1 can adapt to various sizes of to be welded in certain limit
Part.
There are multiple welding positions in to-be-welded pieces, or need various sizes of to-be-welded pieces are welded
When it is not required that changing induction coil 1 and frock, the range of application of induction coil 1 can be widened, thus improving induction brazing system
The versatility of system and the flexibility of soldering processes.And, by changing folding degree and can also freely adjusting and treat of induction coil 1
Gap between welding position, to adjust welding effect, has preferable compatibility, and U-shaped of the prior art and closure
Induction coil does not all have the function in adjustment heating gap.
For example, in refrigeration plant, the size difference of the welding position of to-be-welded pieces is larger.Fig. 9 is diverter assembly
Structural representation, solder joint is many thereon, and the diameter difference of welding position is big, and the weld diameter of capillary tube 101 generally existsAnd connecting tube 102 weld diameterUsing opening and closing type
Induction coil 1 just can be according to the diameter adjustment folding degree of position to be welded in pipeline.Figure 10 is on little package machine end socket
The structural representation of welding inlet/outlet pipe, because turnover pipe diameter differs, and structure upper band bend pipe, size exists substantiallyInduction coil 1 just can be easily made to reach each weld part using the induction coil 1 of opening and closing type
Position, and the diameter adjustment folding degree according to position to be welded in pipeline.
Further, this kind of induction coil 1 can make to-be-welded pieces of different shapes easily reach adding in induction coil
Thermal potential is put, and is not limited by to-be-welded pieces shape, it is possible to increase the property easy to use of induction brazing system and adaptability, thus carrying
High welding efficiency.
In refrigeration plant, to-be-welded pieces different, for example, Fig. 6 is to showing that a kind of pipeline assembly is welded
It is intended to, the upper and lower of the welding position A bending structure all with U-shaped；Fig. 7 is the structural representation of dispenser component, weld part
Position B is at union elbow, and all there is the container being relatively large in diameter at the two ends of welding position B；Fig. 8 is the structure of another kind of pipeline assembly
Schematic diagram, the upper and lower side of welding position C is all with abnormally-structured.The application scenarios being given for Fig. 6 to Fig. 8, if using existing
The circular induction coil having closing in technology is enclosed within welding position and is just difficult to, and adopts the induction coil 1 of opening and closing type then
Welding position can be directly made to enter the heating location in induction coil 1 when opening from the side of welding position.
In order to realize opening and folding of induction coil 1, induction coil 1 may include at least two coil portions 11, and at least two
Individual coil portion 11 can be opened by the realization of moving of the direction to the heating location away from to-be-welded pieces, and by near to be welded
The direction motion realization of the heating location of fitting folds, and forms, to enclose, the sensing being adapted with the shape and size of welding position
Coil 1.
Preferably, induction coil 1 includes two coil portions 11, so can simplify structure, and reduces control difficulty, and more holds
Easily ensure the position unification diametrically of different coil portions 11, so that welding position degree of heat everywhere is evenly.
In a kind of version, one end of two coil portions 11 is rotatably coupled, and the other end is free end, Neng Gou
Coil portion 11 is realized opening when being turned out around connection end, and realizes when coil portion 11 inwardly rotates around connection end receiving
Close.
In another kind of version, as shown in figure 5, two coil portions 11 are respectively provided with two free ends, can be by anti-
Open to translation realization or fold.When two coil portions 11 all move to the direction of the heating location away from to-be-welded pieces, that is,
When moving out with respect to induction coil 1 place circumference, induction coil 1 is realized opening, when two coil portions 11 are all treated to close
During the direction motion of the heating location of weldment, when that is, with respect to induction coil 1 place circumference inward, induction coil 1 is real
Now fold.It is by the advantage that translation mode realizes folding, easy driving coil portion 11 moves and ensures kinematic accuracy.
In order to realize the power supply of induction coil 1, induction brazing system also includes power supply.In a kind of setting form, two
Coil portion 11 is powered using common power supply, and two coil portions 11 contact with each other and flowed through with forming power supply away from the free end of power supply
The loop crossed, this set form can reduce the quantity of power supply, reduces cost.In another kind of setting form, two coils
Portion 11 is powered using independent power supply, and each coil portion 11 itself can form the loop that power supply stream passes through, thus two coils
Portion 11 does not need to contact.This set form can reduce coil portion 11 and produce collision when folding or wear and tear, thus improving sensing
The service life of coil 1.
Further, welding tip device also includes driver part, and driver part is realized automatically beating for driving coil portion 11
Open or fold.The induction coil 1 that reverse translation is realized opening or folding is passed through for coil portion 11, driver part can select directly
Line motor, hydraulic cylinder or cylinder etc..The embodiment by cylinder 4 driving coil portion 11 motion is given, cylinder 4 is pacified in Fig. 5
It is contained in fixed platform 5, can be achieved with the folding of coil portion 11 by the action drivening rod motion of cylinder.By controlling air inlet
Amount just can control the folding degree of induction coil 1, control simple, and cost is relatively low.
Because induction coil 1 is the vital part carrying out magnetic coupling with to-be-welded pieces, in the adaptation improving induction coil 1
On the basis of property and versatility, inventor notices that the shape of induction coil 1 plays conclusive effect to mode of heating.
U-shaped induction coil shown in Fig. 1 a is more serious due to there is opening, leakage field ratio, is more than in weld diameter
Workpiece when welding the used time longer, lose the feature of sensing heating quick heating.In view of lacking existing for U-shaped induction coil
Fall into, the induction coil 1 of the present invention can make the free end of two coil portions 11 curved to the direction of the heating location near to-be-welded pieces
Bent.Accordingly even when because to-be-welded pieces size makes more greatly there is gap between the free end of two coil portions 11, due to coil portion
11 free end is in aduncate shape with respect to the heating location of to-be-welded pieces, can reduce the size of opening as far as possible, thus
Reduce leakage field phenomenon, improve the delayed phenomenon that heats up at opening in heating process, also can shorten heat time heating time simultaneously, improve
Welding efficiency, and improve brazing quality.
Preferably, it is consistent with the spacing of welding position everywhere in the circumferential after induction coil 1 folds.For example, to be welded
When the section of the welding position of fitting is circular, induction coil 1 also forms circle so that it may so that induction coil 1 is circumferential after folding
On be consistent with the spacing of welding position everywhere.The induction coil 1 of this kind of shape can make welding position heating everywhere
Degree is more uniform, it is to avoid induction coil 1 is with the excessive problem causing to heat in welding position gap moreover it is possible to when shortening welding
Between, and save electric power, meet the theory of modern lean design.
Because to-be-welded pieces are not easy to when volume is larger move, thus mostly pass through the mobile line of induction in practice
Circle 1 makes it reach welding position.In order to realize movement and the positioning of induction coil 1, as shown in Fig. 2, Fig. 3 and Fig. 6, this
The induction brazing system of bright embodiment may also include control device 6, robot 2 and the sighting device being arranged on robot 2 front end
3, control device 6 can control robot 2 to move to welding position position to enter to induction coil 1 according to default path
Row positions first, and carries out second positioning according to the welding position of sighting device 3 detection to induction coil 1, so that induction coil 1
Accurately reach welding position.Robot 2 and the mode of sighting device 3 positioning combination, are capable of automatization's positioning induction coil
1, and realize welding position switching, it is possible to increase the versatility of the automaticity of induction brazing and induction brazing system, from
And shorten weld interval, improve welding quality, improve welding efficiency.
As shown in fig. 6, being provided with graphics processing unit in control device 6, when second positioning is carried out to induction coil 1,
Under the irradiation of light source 9, detected Target Transformation is become picture signal by sighting device 3, sends image to by image pick-up card 7
Processing unit, is transformed into digital signal according to information such as pixel distribution and brightness, and graphics processing unit is carried out respectively to these signals
Plant computing to extract target characteristic, such as length, width, position, further according to default permissibility and other conditions output result, then
Secondary control robot 2 to walk by control device 6 by input/output interface 8, realize automatic identification locus, carry out secondary
Positioning.
By Position Design twice, can greatly reduce the design difficulty of frock clamp in induction brazing system, improve work
The versatility of clamps, farthest plays the flexibility function of robot 2.Being additionally, since induction brazing will to positioning precision
Ask very high, thus very strict to the positioning requirements of induction coil 1, especially more important when being related to downhand welding, by vision
Device 3 carries out secondary calibration positioning, can avoid design complex tool equipment and improve the speed of the switching of induction coil 1.
As shown in figure 3, robot 2 includes manipulator part 21, manipulator part 21 can drive induction coil 1 rotate with
Angle as required is welded.Thus, only induction coil 1 just need to can be made to realize by the rotation of manipulator part 21 flat
Weldering, vertical position welding and inverse bonding, can adapt to, in the to-be-welded pieces of different placed angles, adjust very flexible.
Wherein, control device 6 is except controlling the function of robot 2 motion additionally it is possible to control driver part to realize two
The automatically opening up and folding of coil portion 1.Control driver part by least two coils after induction coil 1 is positioned at welding position
Portion 11 opens.When driver part is for cylinder 4, instruction can be sent to adjust air inflow to electromagnetic valve from control device 6,
Thus controlling the flexible of cylinder 4, and then realize opening and folding of induction coil 1.
Sighting device 3 except to the function of vision localization additionally it is possible to right after induction coil 1 carries out soldering to welding position
The welding quality of welding position is detected, welding quality has included whether that pore, incomplete fusion, outward appearance lack the defects such as solder, control
The welding quality that device 6 processed can detect welding position in sighting device 3 controls induction coil 1 to carry out again when being unsatisfactory for requiring
Supplement welding, the link of manual detection can be saved.
The induction brazing system of the present invention, goes for existing one or more welding positions in same to-be-welded pieces
Situation.When there being multiple welding position, corresponding for each welding position location parameter can be stored in advance in control device 6,
So that control device 6 controls robot 2 to move to welding position position according to default path, thus to induction coil 1
Positioned first, second positioning can be carried out to induction coil 1 in conjunction with sighting device 3.One of welding position is being welded
Connect after finishing, control device 6 controls robot 2 by mobile for induction coil 1 to next welding position.This automatization location sense
The mode answering coil 1 can make the multiple solder joints in same to-be-welded pieces be fully completed by a complete process by robot 2
Welding.
Further, welding parameter can also be stored in advance in control device 6, and welding parameter may include the output of power supply
Power, electric current and power-on time etc..Preferably, the welding position image according to sighting device 3 detection, control device 6 can be to figure
As carrying out parameter extraction, obtain diameter parameters of welding position etc., thus according to the diameter parameters of welding position by driver part
Drive induction coil 1 to fold and keep suitable gap to to-be-welded pieces, then coordinate with different welding parameters, think different
Welding position selects suitable welding parameter and repair welding parameter, and real realization is unmanned to weld, and welding procedure is reformed.
Meanwhile, during welding, the position parameter data of the welding position of each to-be-welded pieces, welding parameter, sense
Gap adjusting parameter, the information of sighting device 3 collection and the welding quality information of answering coil 1 may be stored in control device
In 6, and can achieve output function, for example, pass through RS485 the or RS232 bus output on equipment.So can be easy to the later stage reviews,
The weld information of storage when needing welding procedure is optimized, can be extracted, be optimize technique and informationization designing offer
Foundation.
Next, present invention also offers a kind of welding method based on above-mentioned induction brazing system, in one embodiment,
Comprise the steps：
Step 101, induction coil 1 is opened and make to-be-welded pieces reach induction coil 1 in heating location；
Step 102, induction coil 1 is folded to be enclosed in the periphery of welding position；
Step 103, to welding position, soldering is carried out in the way of electrified regulation to induction coil 1.
Welding method based on induction brazing system of the present invention can be by adjusting folding degree and adapting to of induction coil
Determining various sizes of to-be-welded pieces in scope, the size range of induction coil application being widened, thus improving induction brazing system
The versatility of system；And to-be-welded pieces of different shapes can be made after opening induction coil 1 easily to reach in induction coil 1
Heating location, thus improving property easy to use and the adaptability of induction brazing system, thus improving welding efficiency.
Further, induction brazing system includes control device 6, robot 2 and sighting device 3, before step 101,
May also include the steps of：
Step 100A, control device 6 control robot 2 to move to welding position position with right according to default path
Induction coil 1 is positioned first；
Step 100B, control device 6 carry out second positioning according to the welding position that sighting device 3 detects to induction coil 1,
So that induction coil 1 reaches welding position.
After make induction coil 1 reach welding position by step 100A and 100B, you can execution step 101.
In a specific embodiment, induction brazing system includes control device 6, and induction coil 1 includes at least two
Coil portion 11, welding tip device also include in driver part, step 101 opening induction coil 1 and step 102 in will sense
The step that coil 1 folds specifically includes：Control device 6 controls driver part to open at least two coil portions 11 or fold.
In order to optimize welding effect, after step 103, the welding method of the present invention may also include：
Step 104, welding position is incubated, and again welding position is cooled down after insulation Preset Time.
Wherein, at step 104, insulating process can be passed through less electric current to induction coil 1, with using less heat
Amount strengthening welding quality.
Further, in order to ensure welding quality, in another preferred embodiment, induction brazing system includes controlling
Device 6, robot 2 and sighting device 3, after step 104, the welding method of the present invention also includes：
Step 105, sighting device 3 detect to the welding quality of welding position；
The control when welding quality that step 106, control device 6 detect welding position in sighting device 3 is unsatisfactory for requiring
Induction coil 1 carries out supplementing welding.
Wherein, in step 105, sighting device 3 can by the information Store of Welding quality test in control device 6, and according to
Choose suitable repair welding parameter according to welding quality.The Perceived control when welding quality in welding position is unsatisfactory for requiring in step 106
When answering coil 1 to carry out supplementing welding, carrying out repair welding according to the repair welding parameter of coupling, thus improving the motility of welding, and carrying
High welding quality.After welding quality meets requirement, control device 6 can control induction coil 1 to open, and can terminate to weld after opening
Termination process or switch to next welding position.
After completing the welding of a welding position, can also carry out following steps：
Step 107, control device 6 control induction coil 1 to open.
Wherein, the welding completing a welding position includes two kinds of situations：First welding completes both can detect weldering
Connect quality；Its two be welding complete and detect welding position welding quality meet require.If second situation, preferably
Ground, in execution step 106 until welding quality meet require after just execution step 107, this operation order is convenient for mending
Weldering, it is to avoid after removing induction coil 1, if it find that needing repair welding to also need to again be moved back to.Alternately, step 107 also may be used
Execute after step 104 is to welding position insulation Preset Time, the welding process of each welding position so can be made more to step up
Gather, save the cooling waiting time.
In an application example of the present invention, to-be-welded pieces include multiple welding positions, and this kind of welding method includes：?
After the welding of one of welding position is finished, control device 6 controls robot 2 by mobile for induction coil 1 to next welding
Position.This mode is capable of the automatic conversion of different welding positions, is advantageously implemented industrialization.
Above a kind of induction brazing system provided by the present invention and welding method are described in detail.Herein should
With specific embodiment, the principle of the present invention and embodiment are set forth, the explanation of above example is only intended to help
Assistant's solution method of the present invention and its core concept.It should be pointed out that for those skilled in the art, not
On the premise of departing from the principle of the invention, the present invention can also be carried out with some improvement and modify, these improve and modification also falls into
In the protection domain of the claims in the present invention.
Claims (19)
1. it is characterised in that including welding tip device, described welding tip device includes induction coil to a kind of induction brazing system
(1), described induction coil (1) be can opening-closing structure, can be formed when opening make to-be-welded pieces arrival described induction coil (1)
The passage of interior heating location, and be enclosed in the periphery of welding position after folding and in the way of electrified regulation, welding position entered
Row soldering.
2. induction brazing system according to claim 1 is it is characterised in that described induction coil (1) includes at least two
Coil portion (11), coil portion described at least two (11) can be by the direction fortune to the heating location away from described to-be-welded pieces
Dynamic realization is opened, and by folding to the direction realization of moving of the heating location near described to-be-welded pieces, with enclose formed with
The described induction coil (1) that described welding position is adapted.
3. induction brazing system according to claim 2 is it is characterised in that described induction coil (1) includes two coils
Portion (11), one end of two described coil portions (11) is rotatably coupled, and can be opened by rotating realization or fold.
4. induction brazing system according to claim 2 is it is characterised in that described induction coil (1) includes two coils
Portion (11), two described coil portions (11) can be opened by reverse translation realization or be folded.
5. the induction brazing system according to claim 3 or 4 is it is characterised in that also include power supply, two described coil portions
(11) powered using common described power supply, two described coil portions (11) contact with each other away from the free end of described power supply with shape
Become the loop that power supply stream passes through.
6. the induction brazing system according to claim 3 or 4 is it is characterised in that also include power supply, two described coil portions
(11) powered using independent described power supply, each described coil portion (11) itself can form the loop that power supply stream passes through.
7. induction brazing system according to claim 4 is it is characterised in that described welding tip device also includes drive division
Part, described driver part is used for driving described coil portion (11) to open or fold.
8. induction brazing system according to claim 2 is it is characterised in that the freedom of coil portion described at least two (11)
Hold the direction bending to the heating location near described to-be-welded pieces.
9. induction brazing system according to claim 8 it is characterised in that described induction coil (1) fold after in circumference
On be consistent with the spacing of welding position everywhere.
10. induction brazing system according to claim 1 is it is characterised in that also include control device (6), robot (2)
With sighting device (3), described control device (6) can control described robot (2) to move to weld part according to default path
Position position is to be positioned first to described induction coil (1), and the welding position being detected according to described sighting device (3)
Second positioning is carried out to described induction coil (1), so that described induction coil (1) reaches welding position.
11. induction brazing systems according to claim 10 are it is characterised in that described induction coil (1) includes at least two
Individual coil portion (11), described welding tip device also includes driver part, and described control device (6) can be in described induction coil
(1) described driver part is controlled to open coil portion described at least two (11) after being positioned at welding position.
12. induction brazing systems according to claim 10 are it is characterised in that described robot (2) includes robot arm
Part (21), described manipulator part (21) can drive described induction coil (1) to rotate and be welded with angle as required.
13. induction brazing systems according to claim 10 are it is characterised in that described sighting device (3) can also be in institute
State induction coil (1) welding position to be carried out after soldering, the welding quality of welding position is detected, described control device (6)
The welding quality that welding position can be detected in described sighting device (3) controls described induction coil when being unsatisfactory for requiring again
(1) carry out supplementing welding.
A kind of 14. welding methods based on the arbitrary described induction brazing system of claim 1～13 are it is characterised in that include：
Described induction coil (1) is opened and make described to-be-welded pieces to reach the heating location in described induction coil (1)；
Described induction coil (1) is folded to be enclosed in the periphery of described welding position；
To welding position, soldering is carried out in the way of electrified regulation to described induction coil (1).
15. welding methods according to claim 14 are it is characterised in that described induction brazing system includes control device
(6), robot (2) and sighting device (3), described induction coil (1) is being opened and is making described to-be-welded pieces reach described sense
Before answering the step of heating location in coil (1), also include：
Described control device (6) controls described robot (2) to move to welding position position with right according to default path
Described induction coil (1) is positioned first；
Described control device (6) carries out secondary according to the welding position that described sighting device (3) detects to described induction coil (1)
Positioning, so that described induction coil (1) reaches welding position.
16. welding methods according to claim 15 are it is characterised in that described induction brazing system includes control device
(6), described induction coil (1) includes at least two coil portions (11), and described welding tip device also includes driver part, will be described
Induction coil (1) is opened or the step that folds described induction coil (1) specifically includes：
Described control device (6) controls described driver part to open coil portion described at least two (11) or fold.
17. welding methods according to claim 14 it is characterised in that to described induction coil (1) with electrified regulation
Mode the step of soldering is carried out to welding position after, also include：
Welding position is incubated, and again welding position is cooled down after insulation Preset Time.
18. welding methods according to claim 17 are it is characterised in that described induction brazing system includes control device
(6), robot (2) and sighting device (3), after the step that welding position is cooled down, described welding method also includes：
Described sighting device (3) is detected to the welding quality of welding position；
The control when welding quality that described control device (6) detects welding position in described sighting device (3) is unsatisfactory for requiring
Described induction coil (1) carries out supplementing welding.
19. welding methods according to claim 15 it is characterised in that described to-be-welded pieces include multiple welding positions,
Described welding method includes：
After the welding of one of welding position is finished, described control device (6) controls described robot (2) by described sensing
The mobile extremely next welding position of coil (1).
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| CN201610911186.5A CN106392230B (en) | 2016-10-19 | 2016-10-19 | Induction brazing system and welding method |
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| CN201610911186.5A CN106392230B (en) | 2016-10-19 | 2016-10-19 | Induction brazing system and welding method |
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