CN106392237A - Induction brazing equipment and method - Google Patents
Induction brazing equipment and method Download PDFInfo
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- CN106392237A CN106392237A CN201610885561.3A CN201610885561A CN106392237A CN 106392237 A CN106392237 A CN 106392237A CN 201610885561 A CN201610885561 A CN 201610885561A CN 106392237 A CN106392237 A CN 106392237A
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- 230000006698 induction Effects 0.000 title claims abstract description 92
- 238000005219 brazing Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000003466 welding Methods 0.000 claims abstract description 117
- 238000010438 heat treatment Methods 0.000 claims abstract description 65
- 230000033001 locomotion Effects 0.000 claims abstract description 28
- 229910000679 solder Inorganic materials 0.000 claims description 31
- 230000033228 biological regulation Effects 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 6
- 230000004907 flux Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 13
- 238000005476 soldering Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000005679 Peltier effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 206010003402 Arthropod sting Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- 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
- B23K1/20—Preliminary treatment of work or areas to be soldered, e.g. in respect of a galvanic coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/04—Heating appliances
- B23K3/047—Heating appliances electric
- B23K3/0475—Heating appliances electric using induction effects, e.g. Kelvin or skin effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0607—Solder feeding devices
- B23K3/063—Solder feeding devices for wire feeding
-
- 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
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
Landscapes
- 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 provides induction brazing equipment which comprises a positioning tool and a welding device, wherein the positioning tool is used for clamping a welding workpiece and conveying the welding workpiece to a preset position; the welding device is used for welding the welding workpiece when the welding workpiece is positioned at a preset position; the welding device comprises a motion control assembly, an induction heating assembly and an automatic wire feeding assembly, wherein the induction heating assembly and the automatic wire feeding assembly are respectively arranged on the motion control assembly; the induction heating assembly is used for heating the welding workpiece; the automatic wire feeding assembly is used for conveying welding flux to a welding workpiece; the motion control assembly is used for adjusting the positions of the induction heating assembly and the automatic wire feeding assembly, so that the induction heating assembly and the automatic wire feeding assembly are matched to complete welding. The invention also provides a corresponding induction brazing method. By using the device and the method, the difficulty in adjusting the positions of the induction heating assembly and the automatic wire feeding assembly is reduced, and the adjusting time is shortened.
Description
Technical field
The present invention relates to a kind of induction brazing Apparatus and method for, belong to welding technology field.
Background technology
At present automatic flame wire feed soldering mechanism that there are the following problems is urgently to be resolved hurrily：Workpiece heat temperature is subject to hot gas such as
Liquefied gas and oxygen fluctuation are larger, affect workpiece brazing quality；Switching workpiece when, need to distinguish significantly adjustment flame heating gun head with
Automatic wire feeding mechanism heating location, position adjustment is loaded down with trivial details and adjustment time is long, and employee's operating difficultiess are it is difficult to be adjusted in place；Flame
Brazing flame burning produces dazzling light, flue dust and high noisy, severe operational environment, and there is the potential safety hazard of gas explosion.
Replace gas brazing using induction brazing, combustion gas fluctuation can be eliminated and lead to the unstable problem of heating-up temperature.But, in sensing
In soldering, the position of heating pipette tips and solder conveying mechanism needs to be adjusted respectively to want it is difficult to meet automatical and efficient production
Ask.
Content of the invention
It is an object of the invention to provide a kind of induction brazing Apparatus and method for, to solve existing gas brazing equipment operation ring
Border is poor, existing brazing equipment unit coordinates are not strong, the low problem of efficiency.
The object of the invention is achieved through the following technical solutions：
A kind of induction brazing equipment, including positioning tool, welder, wherein,
Described positioning tool is used for clamping welding workpiece and welding workpiece being delivered to precalculated position；
Described welder is used for when described welding workpiece is located at described precalculated position, welding workpiece being welded；
Described welder includes motion control component, sensing heating assembly, automatic feeding assembly, described sensing heating group
Part and described automatic feeding assembly are separately mounted on described motion control component；Described sensing heating assembly is used for described weldering
Connect workpiece to be heated；Described automatic feeding assembly is used for conveying solder to described welding workpiece；Described motion control component is used
In the position adjusting described sensing heating assembly and described automatic feeding assembly, make described sensing heating assembly and described automatically send
Silk assembly matches and completes welding action.
Preferably, described motion control component includes adjusting platform and tooling platform, wherein,
Described regulation platform is arranged on below described tooling platform；
Described tooling platform is used for fixing described sensing heating assembly and described automatic feeding assembly；
Described regulation platform is used for driving described tooling platform to move on the direction in space of front, back, left, right, up, down six
Dynamic, so that described sensing heating assembly and automatic feeding assembly match and complete welding action.
Preferably, described regulation platform includes the first regulation platform, the second regulation platform, and described first regulation platform is fixed
Adjust on platform second；
Described sensing heating assembly is installed and described automatic feeding assembly is fixed on described tooling platform.
Preferably, described adjust platform include by adjust manually screw mandrel driving move forward and backward first regulation platform and
By the second regulation platform moving left and right adjusting screw mandrel driving manually；Adjust platform and described tooling platform described second
Between arrange lift servo motor, for driving described tooling platform to move up and down.
Preferably, described sensing heating assembly includes induction coil, induction power supply, support, cylinder, electric rotating machine, described
Induction coil is used for welding workpiece is heated；Described induction power supply is used for providing power supply to described induction coil；Described sense
Coil and transformator is answered to be arranged on described tooling platform by described support；Described cylinder is used for controlling described sensing heating group
The moving forward and backward of part；Described electric rotating machine controls described induction coil to do horizontal simple harmonic motion, and the center of circle is located at described induction coil
Center.
Preferably, described induction coil is U-shaped induction coil.
Preferably, described automatic feeding assembly includes disk, directive wheel, wire feed pipeline, wire feed bar, wire feeding mouth, propulsive gas
Cylinder, wherein, described propulsion cylinder is used for, by described wire feed bar and wire feeding mouth propulsion, being coiled in solder on described disk with servo
Motor is power, reaches wire feeding mouth along described wire feed pipeline, solder is delivered to welding workpiece after described wire feed bar.
Preferably, rotatable circular disc, servomotor are also included, described positioning tool is fixed on rotatable circular disc, by watching
Take motor and drive described rotatable circular disc rotation, and then drive described positioning tool to rotate.
Preferably, described positioning tool includes air valve, positive stop, limiting cylinder, clamp system, clamping cylinder, wherein,
Described air valve controls described limiting cylinder and the action of described clamping cylinder simultaneously；Described limiting cylinder drives described positive stop
Mobile；Described clamping cylinder drives described clamp system to clamp described welding workpiece.
Preferably, described positioning tool also includes rotating mechanism, and described clamp system includes the first fixing fixture block of position
With rotatable second fixture block, described rotatable second fixture block rotated around described rotating mechanism.
Preferably, also include detector, described detector is used for detecting whether described welding workpiece is located at precalculated position.
Another aspect of the present invention also includes a kind of induction brazing method, is set using any one induction brazing as above
Standby, comprise the steps：
Step 1：Positioning tool clamping welding workpiece movement is to precalculated position；
Step 2：When described welding workpiece reaches precalculated position, positioning tool stops operating, and calls welding procedure；
Step 3：Motion control component drives the feeding of sensing heating assembly, and welding workpiece is heated；
Step 4：After workpiece to be welded is heated to brazing temperature, motion control component drives automatic feeding assembly by solder
It is delivered to welding workpiece, form weld seam.
Preferably, described induction brazing method also includes：
Step 5：Withdraw automatic feeding assembly；
Step 6：Withdraw sensing heating assembly；
Step 7：Positioning tool is rotated further, and waits the solder cooled and solidified in weld seam, is further continued for turning to offline station,
Complete whole welding process.
Preferably, described welding seam design is socket fitting type structure, and wherein, described welding workpiece includes insertion side workpiece, bears
Side workpiece, in described insertion side workpiece and bear and keep suitable gap between the workpiece of side, to ensure solder in brazing process
Flowing and moistening.
Preferably, described side workpiece flared edge of bearing increases flanging, so that weld appearance is full.
The induction brazing equipment being provided using the present invention and method, sensing heating mechanism and automatic wire feeding mechanism are incorporated in
Same mechanism, that is, in welder.After the switching workpiece when soldering, during the induction coil height of regulation sensing heating mechanism, from
Dynamic wire feeder height is adjusted in place in the lump, it is only necessary to finely tune the wire feed angle of wire feed rifle mouth during soldering.There is provided using this invention
Technology reduce adjustment load coil and automatic wire feeding mechanism position adjustments difficulty, and shorten regulating time, can open up
Wide automatic welding technique is flexible.
Brief description
Below according to drawings and Examples, the present invention is described in further detail.
Fig. 1 is welder and the positioning tool floor map of induction brazing equipment provided in an embodiment of the present invention.
Fig. 2 is welder schematic diagram.
Fig. 3 is the positioning tool schematic diagram opening.
Fig. 4 is the positioning tool schematic diagram of clamping.
Fig. 5 is weld seam workpiece schematic diagram.
Fig. 6 is the left view schematic diagram of welder.
Specific embodiment
Hereinafter the preferred embodiments of the present invention are illustrated it will be appreciated that preferred embodiment described herein is only used
In the description and interpretation present invention, it is not intended to limit the present invention.
The embodiment of the present invention provides a kind of induction brazing equipment, as shown in figure 1, including positioning tool 6, welder, spy
Survey device and frame.Detector (such as infrared probe) is used for detecting whether welding workpiece is located at precalculated position, that is, when positioning tool 6
Whether it is clamped with welding workpiece 8, such as welded tube when being on welding post.Detector is installed on adjacent with welding post in frame
Previous station at, be convenient for adjust, also avoid interfering in welding post.
Welder is used for when detector detects welding workpiece 8 positioned at precalculated position, welding workpiece being welded.
Specifically, as shown in Figure 2, welder includes motion control component, sensing heating assembly and automatic feeding assembly 3.
Motion control component includes adjusting platform 7, tooling platform 74, adjusts screw mandrel, cylinder manually and control watching of lifting
Take motor.Adjust platform to be arranged on below tooling platform.Sensing heating assembly and automatic feeding assembly 3 are separately mounted to motion control
On the tooling platform 74 of assembly processed.
Adjust platform 7 to include by the first regulation platform 72 moving forward and backward adjusting screw mandrel driving manually and have manual tune
The second regulation platform 73 moving left and right of section screw mandrel driving.Second regulation platform 73 is fixed on the first regulation platform 72.
Adjust platform and described second described first and adjust setting lift servo motor between platform, for driving described adjusting means
Move up and down, the servomotor 71 being lifted by control between the second regulation platform 73 and tooling platform 74 is connected.
Adjusting screw mandrel manually controls whole device on the first regulation platform to move forward and backward, and adjusts screw mandrel manually and controls second to adjust
Whole device on section platform moves left and right, and adjusts the lift servo motor control tooling platform above platform two and moves up and down.
As described above, adjusting means (adjusting screw mandrel and servomotor 71 manually) manually adjusts screw mandrel and servomotor drives and is located at
Sensing heating assembly on tooling platform and automatic feeding assembly move on the direction in space of front, back, left, right, up, down six,
So that sensing heating assembly and automatic feeding assembly can easily be adjusted to setting position.
Sensing heating assembly is used for welding workpiece is heated.Sensing heating assembly 5 includes induction coil 52, transformator
51st, support, propulsion cylinder 31, electric rotating machine 53.Wherein, induction coil 52 is used for welding workpiece is heated；Induction power supply 4
Or transformator 51 is used for providing power supply to induction coil 52；Induction coil 52 and transformator 51 are arranged on work by tooling bracket 75
On assembling platform 74.Induction coil 52 is preferably U-shaped induction coil.Electric rotating machine drives the induction coil on support to do periodically
Horizontal simple harmonic motion, that is, support drive under the driving of electric rotating machine 53 U-shaped induction coil 52 welding workpiece is carried out rotation plus
Heat.Cylinder 31 is preferably the cylinder that independent control tooling platform 12 moves forward and backward.Described electric rotating machine 53 is arranged on sensing heating
On the support of assembly, preferably control the servomotor of the horizontal single pendulum shape rotation of induction coil, rotation center is located at Welder
The center of part.
Sensing heating assembly is mainly made up of induction power supply, flexible cable, transformator and induction coil, and the effect of power supply is
Produce high frequency electric, induction coil function as circuit, flow through high frequency electric, and designed by the shape size of workpiece suitable
The induction coil of shape, again now is coupled in welding workpiece be formed ring current using the current induced magnetic field of alternation, in weldering
Meeting area and produce peltier effect, and be converted into Jiao Er thermal conductivity causes workpiece to heat up, can be by the temperature of welding workpiece using this characteristic
Rise to the temperature of soldering, can be achieved with induction heating function.It is flexible that automatic welding needs to increase welding, using opening in design
The " u "-shaped induction coil of mouth, but there is leakage field phenomenon in open stich, the electromagnetic intensity of aperture position can be led to reduce,
Lead to heating uneven, therefore, electric rotating machine is increased on the support of sensing heating assembly, the center of circle is located at induction coil centre bit
Put, make up, by periodic rotation, the heating uneven phenomenon leading to because of leakage field.
Automatic feeding assembly 3 is used for conveying solder to described welding workpiece.Automatic feeding assembly 3 include disk, directive wheel,
Wire feed pipeline 36, wire feed bar 35, wire feeding mouth, propulsion cylinder 32, the first wire feed assembly adjustment axis 33 and the second wire feed assembly are adjusted
Axle 34.Solder, that is, soldering wire be coiled on disk., to brazing temperature, propulsion cylinder is first by automatic feeding for sensing heating
Assembly and wire feeding mouth propulsion, then solder is sent by servomotor again.Wire feeding motor 1 is opened, and welding wire (thread solder) is to watch
Taking motor directive wheel is power, reaches wire feeding mouth along wire feed pipeline 36, solder is delivered to welding workpiece 8 after wire feed bar,
Form weld seam after supercooling.The whole process of wire feed is by programme-control, and sectional arranges time and the wire feed rate of wire feed,
Accomplish the purpose of controllable precise.
During welding, regulate the position of the regulation platform of motion control component bottom, before being now used for controlling tooling platform
The cylinder moving afterwards is in punctured position (disc turntable (workpiece to be welded) all has gap with heating arrangements and wire feeder).Welding
To welding post, cylinder stretches out workpiece transfer, and load coil surrounds welding workpiece, and does periodic rotary.Treat workpiece liter
To brazing temperature, the cylinder of automatic feeding assembly promotes automatic feeding assembly to temperature, enters weld, by wire feeding motor 1 by silk
Shape solder is sent into welding position, first recalls automatic feeding assembly, rotating servo motor stops and resets, then recalls after the completion of welding
Load coil, completes welding action.
Positioning tool 6 is used for clamping welding workpiece 8 and welding workpiece 8 being delivered to precalculated position, that is, welding post or under
Lineman position.
As shown in Fig. 3, Fig. 4, positioning tool 6 includes air valve, positive stop 63, limiting cylinder 61, clamp system 64, folder
Tight cylinder 65, rotating mechanism 62.Specifically, it is possible to use air valve controls the dynamic of limiting cylinder 61 and clamping cylinder 65 simultaneously
Make.Limiting cylinder 61 drives positive stop 63 mobile movable；Clamping cylinder 65 drives clamp system clamping or unclamps welding
Workpiece.Clamp system 64 includes the first fixing fixture block of position and rotatable second fixture block, described rotatable second fixture block
Rotated around rotating mechanism 62.
Specifically, as shown in Figure 3, when closing gas check valve, limiting cylinder 61 is to stretch out state, and positive stop 63 is located at welding
Directly over workpiece, now clamping cylinder 65 is retracted state, and the clamp system 64 of welding workpiece position location is open configuration.As
Shown in Fig. 4, during positioning spigot-and-socket welding workpiece, first from positive stop 63, the latter half part of welding workpiece (is held
By side workpiece) it is placed in clamp system position, the adjustment welding workpiece mouth of pipe is contacted with positive stop 63 then up, now keeps weldering
Connect that workpiece is contacted with clamp system and the mouth of pipe is horizontal positioned, close gas check valve, clamping cylinder 65 quickly promotes connecting rod through overwinding
Rotation mechanism 62 clamps workpiece, and then limiting cylinder 61 slowly withdraws, and exposes the mouth of pipe, finally by top half part (insertion side work
Part 81) in insertion tube, complete piping work.
As shown in fig. 1, above-mentioned induction brazing equipment also includes rotatable circular disc, servomotor.Positioning tool 6 is fixed on
On rotatable circular disc, rotatable circular disc rotation is driven by servomotor, and then drive described positioning tool 6 to turn to welding post
Or offline station.Through the rotation of rotatable circular disc, positioning tool 6, one by one through each station, after the completion of welding, turns off gas
Valve, now clamping cylinder 65 quickly withdraw, the workpiece that completes of welding can be taken off, limiting cylinder 61 slowly stretches out, and recovers to cylinder
Closure state.
Using two cylinders of an Air Valve Control, realize spacing action and pinching action, improve pipe arrangement positioning mode so that
Welding workpiece position firmly, high precision and reproducible, be unlikely to change anchor point and positioning tool because of disk rotational
Relative position, meets automatization's positioning requirements.
When workpiece being carried out with soldering heating using above-mentioned induction brazing equipment, during induction coil with the weld seam of welding workpiece is
The heart carries out reciprocating rotary heating by certain angle to welding workpiece.Welding workpiece is heated to after brazing temperature, automatic feeding group
Part advances, and starts wire feed, stops, returning silk, solder is delivered to welded seam area, solder fusing forms weld seam, automatic feeding assembly
Retreat, induction coil stops heating after continuing heating 0.5～1 second, and rotation stops and resets, then withdraws sensing heating assembly.
On the other hand the embodiment of the present invention also provides a kind of induction brazing method, and it is set using induction brazing as above
Standby, comprise the steps：
Step 1：Positioning tool clamping welding workpiece in rotary moving to precalculated position；Wherein, when described positioning tool includes
When servomotor, rotatable circular disc, when described positioning tool is fixed on described rotatable circular disc, driven by described servomotor
Rotatable circular disc is rotated, and then drives described positioning tool movement to precalculated position；
Step 2：Whether detector detects has welding workpiece on precalculated position；If having, that is, welding workpiece reaches pre-determined bit
Put, positioning tool stops the rotation movement, enter step 3, if not having, positioning tool continues in rotary moving；
Step 3：Call welding procedure, positioning tool stops the rotation movement；
Step 4：Cylinder drives the feeding of sensing heating assembly, and welding workpiece is heated；Wherein, when sensing heating assembly
During including U-shaped induction coil, transformator, support, electric rotating machine, described induction power supply provides power supply to described U-shaped induction coil；
Described support drives described U-shaped induction coil to do periodically horizontal simple harmonic motion, butt welding under the driving of described electric rotating machine
Connect workpiece and carry out rotary heating；
Step 5：After workpiece to be welded is heated to brazing temperature, cylinder and servomotor drive automatic feeding assembly will weld
Material is delivered to welding workpiece, forms weld seam；Wherein, include disk, lead when described automatic feeding assembly includes automatic feeding assembly
During to wheel, wire feed pipeline, wire feed bar, wire feeding mouth, cylinder, cylinder propulsion assembly moves forward, and wire feeding mouth has just been located at outside induction coil, disk
It is wound on solder on described disk with servomotor directive wheel as power, pass through described wire feed bar along described wire feed pipeline, finally
Reach wire feeding mouth to add solder to welding workpiece；
Step 6：Withdraw automatic feeding assembly；
Step 7：Withdraw sensing heating assembly；
Step 8：Positioning tool is rotated further, and waits the solder cooled and solidified in weld seam, is further continued for turning to offline station,
Complete whole welding process.
In other method for optimizing embodiments, comprise the steps：
Step 1：Workpiece clamping is fixed by operator using positioning tool；
Step 2：It is distributed 4 welding posts in rotatable circular disc frock, by Serve Motor Control, rotate 90 ° every time；
Step 3：During rotatable circular disc frock rotates, have or not workpiece by infrared probe detecting tool, if
Have, call welding procedure；If there is no workpiece, being rotated further, skipping welding post；
Step 4：Disk frock goes to welding post and calls welding procedure, and now the feeding of sensing heating mechanism, treats that workpiece adds
To brazing temperature, solder is sent into commissure in the way of setting to heat by solder by automatic wire feeding mechanism again, after the completion of heating, first
Withdraw wire feeder, then withdraw sensing heating mechanism；
Step 5：Disk is rotated further, and now waits the solder cooled and solidified in weld seam, is further continued for turning to offline station,
Complete whole welding process.
In the above-mentioned methods, also include the particular design to weld seam.Specifically, welding seam design is socket fitting type structure, i.e.
As shown in Figure 5, two welded tubes one are insertion side workpiece 81, and one is to bear side workpiece 83.Insertion side workpiece 81 with hold
Kept suitable gap by between side workpiece 83, to ensure the flowing of solder and moistening in brazing process.
For lifting the brazing quality of socket fitting type structure, only consider that induction coil shape, the rotation of induction coil and welding are fixed
The accuracy of position is inadequate, and still having in the design of weld seam largely affects.Because of insertion side and bear between side
When having suitable gap, but being subjected on induction brazing equipment, have at following 3 points and cause postwelding weld seam not full：
One is that during welding, load coil is hatch frame, causes the temperature distributing disproportionation of welding even, and solder is always high to temperature
Local diffusion, cause postwelding not full；Two is welding process Lorentz force because of presence vertically upward, and the closer to the line of induction
Enclose that corresponding power is bigger, be also to cause one of not full factor of postwelding；Three be gap after more than 0.1mm, assembling, still
Can move, lead to position unstability, centering is poor, will also result in weld seam not full.For improving weld appearance, by surface tension and
Sprawling driving promotes solder ring to sprawl filling weld seam, makes weld seam integrally full uniform, the first makes sensing in welding process
Coil, around axle reciprocating rotary, improves heating uniformity, additionally, when designing weld seam, increasing at side workpiece 83 flared edge bearing
Plus flanging 85, weld gap is designed as 0.065mm simultaneously, can fundamentally improve in welding that outward appearance is not full and fusion penetration
Problem.
Induction brazing is to be coupling in formation ring current in welding workpiece again using the current induced magnetic field of alternation, in welding
Area produces peltier effect, and is converted into the cause copper pipe intensification of Jiao Er thermal conductivity, can be risen to the temperature of copper pipe using this characteristic
The temperature of soldering, can be achieved with induction brazing function, and solder is exactly added with automatic wire feeding mechanism by automatic feeding induction brazing
Plus, thus liberating the work of people.Using induction brazing replace gas brazing, can eliminate flame combustion generation dazzling light,
Flue dust and high noisy are hence it is evident that improve brazing operation environment, and eliminate gas explosion potential safety hazard, realize environment-friendly type soldering and produce.
Using above-mentioned automatic sensing brazing equipment and method, automatic wire feeding mechanism and sensing heating mechanism are merged into one
Body, synthesizes a mechanism, and when being easy to switch workpiece, the position Primary regulation of dynamic wire feeder and heating arrangements puts in place.This
Induction brazing equipment welding copper pipe is superior in quality, can substitute gas brazing mechanism, and is better than gas brazing mechanism.
The technology contents of the present invention and technical characteristic have revealed that as above, but those of ordinary skill in the art still may base
Make a variety of replacements without departing substantially from spirit of the present invention and modification, therefore, the scope of the present invention in teachings of the present invention and announcement
The content disclosed in embodiment should be not limited to, and the various replacements without departing substantially from the present invention and modification should be included, and weigh for the present invention
Profit requires to be covered.
Claims (15)
1. a kind of induction brazing equipment it is characterised in that include positioning tool, welder, wherein,
Described positioning tool is used for clamping welding workpiece and welding workpiece being delivered to precalculated position；
Described welder is used for when described welding workpiece is located at described precalculated position, welding workpiece being welded；
Described welder includes motion control component, sensing heating assembly, automatic feeding assembly, described sensing heating assembly and
Described automatic feeding assembly is separately mounted on described motion control component；Described sensing heating assembly is used for described Welder
Part is heated；Described automatic feeding assembly is used for conveying solder to described welding workpiece；Described motion control component is used for adjusting
Save described sensing heating assembly and the position of described automatic feeding assembly, make described sensing heating assembly and described automatic feeding group
Part matches and completes welding action.
2. induction brazing equipment according to claim 1 is it is characterised in that described motion control component includes adjusting platform
And tooling platform, wherein,
Described regulation platform is arranged on below described tooling platform；
Described tooling platform is used for fixing described sensing heating assembly and described automatic feeding assembly；
Described regulation platform is used for driving described tooling platform to move on the direction in space of front, back, left, right, up, down six, from
And so that described sensing heating assembly and automatic feeding assembly is matched and complete welding action.
3. induction brazing equipment according to claim 2 it is characterised in that described regulation platform include first regulation put down
Platform, the second regulation platform, described first regulation platform is fixed on the second regulation platform；
Described sensing heating assembly is installed and described automatic feeding assembly is fixed on described tooling platform.
4. induction brazing equipment according to claim 2 is it is characterised in that described regulation platform includes by adjusting silk manually
Move forward and backward the first of bar driving adjusts platform and is put down by the second regulation moving left and right adjusting screw mandrel driving manually
Platform；Adjust described second and between platform and described tooling platform, lift servo motor is set, for driving described tooling platform
Move up and down.
5. induction brazing equipment according to claim 1 is it is characterised in that described sensing heating assembly includes the line of induction
Circle, induction power supply, support, cylinder, electric rotating machine, described induction coil is used for welding workpiece is heated；Described faradism
Source is used for providing power supply to described induction coil；Described induction coil and transformator are arranged on described frock by described support and put down
On platform；Described cylinder is used for controlling moving forward and backward of described sensing heating assembly；Described electric rotating machine controls described induction coil
Do horizontal simple harmonic motion, the center of circle is located at described induction coil center.
6. induction brazing equipment according to claim 5 is it is characterised in that described induction coil is U-shaped induction coil.
7. induction brazing equipment according to claim 1 is it is characterised in that described automatic feeding assembly includes disk, leads
To wheel, wire feed pipeline, wire feed bar, wire feeding mouth, propulsion cylinder, wherein, described propulsion cylinder is used for described wire feed bar and wire feed
Mouth advances, and is coiled in solder on described disk with servomotor as power, along described wire feed pipeline after described wire feed bar
Reach wire feeding mouth, solder is delivered to welding workpiece.
8. induction brazing equipment according to claim 1 is it is characterised in that also include rotatable circular disc, servomotor, institute
State positioning tool to be fixed on rotatable circular disc, described rotatable circular disc rotation is driven by servomotor, and then drive is described fixed
Position frock rotates.
9. induction brazing equipment according to claim 1 is it is characterised in that described positioning tool includes air valve, limiting block
Block, limiting cylinder, clamp system, clamping cylinder, wherein, described air valve controls described limiting cylinder and described clamping cylinder simultaneously
Action；Described limiting cylinder drives described positive stop to move；Described clamping cylinder drives described clamp system clamping described
Welding workpiece.
10. induction brazing equipment according to claim 9 is it is characterised in that described positioning tool also includes rotating mechanism,
Described clamp system includes the first fixing fixture block of position and rotatable second fixture block, described rotatable second fixture block around
Described rotating mechanism is rotated.
It is characterised in that also including detector, described detector is used for 11. induction brazing equipment according to claim 1
Detect whether described welding workpiece is located at precalculated position.
A kind of 12. induction brazing methods are it is characterised in that set using the induction brazing as any one of claim 1-11
Standby, comprise the steps：
Step 1：Positioning tool clamping welding workpiece movement is to precalculated position；
Step 2：When described welding workpiece reaches precalculated position, positioning tool stops operating, and calls welding procedure；
Step 3：Motion control component drives the feeding of sensing heating assembly, and welding workpiece is heated；
Step 4：After workpiece to be welded is heated to brazing temperature, motion control component drives automatic feeding assembly to convey solder
To welding workpiece, form weld seam.
13. induction brazing methods according to claim 12 are it is characterised in that also include：
Step 5：Withdraw automatic feeding assembly；
Step 6：Withdraw sensing heating assembly；
Step 7：Positioning tool is rotated further, and waits the solder cooled and solidified in weld seam, is further continued for turning to offline station, completes
Whole welding process.
The 14. induction brazing methods according to claim 12 or 13 are it is characterised in that described welding seam design is tied for spigot-and-socket
Structure, wherein, described welding workpiece includes insertion side workpiece, bears side workpiece, described insertion side workpiece with bear side workpiece it
Between keep suitable gap, to ensure the flowing of solder and moistening in brazing process.
15. induction brazing methods according to claim 14 are it is characterised in that described side workpiece flared edge of bearing increases
Flanging, so that weld appearance is full.
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| CN201610885561.3A CN106392237A (en) | 2016-10-09 | 2016-10-09 | Induction brazing equipment and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610885561.3A CN106392237A (en) | 2016-10-09 | 2016-10-09 | Induction brazing equipment and method |
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| CN201610885561.3A Pending CN106392237A (en) | 2016-10-09 | 2016-10-09 | Induction brazing equipment and method |
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| CN108465890A (en) * | 2018-06-28 | 2018-08-31 | 西安北辰亿科电子科技有限公司 | A kind of automatic high-frequency welding equipment of aluminum component single-station |
| CN109202208A (en) * | 2018-10-29 | 2019-01-15 | 西安北辰亿科电子科技有限公司 | One kind being based on inductor induction heating open-close type heating-fixing apparatus |
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| CN114211084A (en) * | 2021-12-31 | 2022-03-22 | 长虹美菱股份有限公司 | Inductor positioned by welding wire and control method |
| CN115003148A (en) * | 2022-06-02 | 2022-09-02 | 连云港杰瑞电子有限公司 | Induction welding device and method for power conversion module |
| CN115003148B (en) * | 2022-06-02 | 2023-08-29 | 连云港杰瑞电子有限公司 | Power conversion module induction welding device and welding method thereof |
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