CN109940271A - Welder and welding method for air conditioner muffler - Google Patents
Welder and welding method for air conditioner muffler Download PDFInfo
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- CN109940271A CN109940271A CN201910328167.3A CN201910328167A CN109940271A CN 109940271 A CN109940271 A CN 109940271A CN 201910328167 A CN201910328167 A CN 201910328167A CN 109940271 A CN109940271 A CN 109940271A
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- laser
- air conditioner
- channel
- laser channel
- conditioner muffler
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- 238000003466 welding Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims abstract description 44
- 239000010949 copper Substances 0.000 claims abstract description 44
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 41
- 239000010962 carbon steel Substances 0.000 claims abstract description 41
- 238000005096 rolling process Methods 0.000 claims abstract description 20
- 239000004065 semiconductor Substances 0.000 claims description 27
- 239000013307 optical fiber Substances 0.000 claims description 25
- 239000000835 fiber Substances 0.000 claims description 16
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004927 fusion Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000005465 channeling Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
Abstract
The present embodiments relate to welding technology fields, provide a kind of welder and welding method for air conditioner muffler, wherein welder includes: plumb joint and rolling clamp；It is equipped with the first laser channel and second laser channel being arranged in juxtaposition in plumb joint, is equipped in second laser channel towards inclined first reflecting mirror of first laser channel direction, equipped with the second reflecting mirror arranged with the first mirror parallel in first laser channel；The lower section of the exit portal in first laser channel is arranged in rolling clamp, for clamping and air conditioner muffler being driven to rotate.Welder provided by the invention in second laser channel by being arranged to inclined first reflecting mirror of first laser channel direction, the second reflecting mirror with the first mirror parallel arrangement is set in first laser channel, it realizes two beam laser while welding carbon steel cylinder and the junction of copper tube of air conditioner muffler, so that the welding quality of the junction of carbon steel cylinder and copper tube is preferable.
Description
Technical field
The present embodiments relate to technical field of laser welding more particularly to a kind of welders for air conditioner muffler
And welding method.
Background technique
Muffler welding manner traditional at present mainly uses: muffler carbon steel cylinder and muffler copper tube are assembled
It is placed on high temperature furnace to be heated, is put into red copper solder flux in muffler carbon steel cylinder and muffler copper tube, with adding for high temperature furnace
Hot temperature increases, and red copper solder melts weld together muffler carbon steel cylinder with muffler copper tube.This welding manner
The high power high temperature furnace of 100kW or more is needed, power consumption is huge, and the weld interval for completing a collection of muffler is longer, while also needing
A large amount of red copper solder flux are wanted, overall cost is higher.
When single silencing of noise of laser welding device, since red copper belongs to the focal beam spot that high anti-material needs high-energy density, but it is high
Energy density spot diameter is smaller, requires the welding position cooperation of muffler high.Undercut, not is easy to appear in welding process
The defects of fusion.
Summary of the invention
The embodiment of the present invention provides a kind of welder and welding method for air conditioner muffler, to solve existing skill
The defects of in art to undercut, incomplete fusion is easy to appear in air conditioner muffler welding process.
The embodiment of the present invention provides a kind of welder for air conditioner muffler, comprising: plumb joint and rolling clamp；Institute
The first laser channel and second laser channel for being equipped with and being arranged in juxtaposition in plumb joint are stated, is equipped in the second laser channel towards institute
Inclined first reflecting mirror of first laser channel direction is stated, is equipped with and first mirror parallel in the first laser channel
Second reflecting mirror of arrangement；The lower section of the exit portal in the first laser channel is arranged in the rolling clamp, for clamping simultaneously
Drive air conditioner muffler rotation.
Wherein, the first laser channel is connected with optical fiber laser, the second laser channel and semiconductor laser
It is connected.
Wherein, the laser light incident mouth in the first laser channel is equipped with and the axis perpendicular in the first laser channel
Fiber optic collimator mirror.
Wherein, the laser light incident mouth in the second laser channel is equipped with and the axis perpendicular in the second laser channel
Semiconductor collimating mirror.
Wherein, the laser emitting mouth in the first laser channel is equipped with and the axis perpendicular in the first laser channel
Focus lamp.
Wherein, the fibre core of the optical fiber laser is 25um-50um；The fibre core of the semiconductor laser is 600um-
800um。
Wherein, first reflecting mirror towards the inclined angle of first laser channel direction be 40 ° to 50 °.
The embodiment of the present invention provides a kind of welding method for air conditioner muffler, comprising: to the first laser of plumb joint
Channel transfer first laser, and the second laser channel transfer second laser to plumb joint；First reflecting mirror and the second reflection
Mirror reflects the second laser, so that the second laser and the first laser are coaxial, same to focal length；First laser with
The focus of second laser exposes to carbon steel cylinder and the junction of copper tube of air conditioner muffler, and rotate simultaneously carbon steel cylinder and
Copper tube.
Wherein, the focus of the first laser and the second laser exposes to the threshold value copper tube of carbon steel cylinder
At 0.05-0.2mm.
Wherein, described while the step of rotating carbon steel cylinder and copper tube includes: to press from both sides the carbon steel cylinder of air conditioner muffler
Tightly on rolling clamp, the rolling clamp drives the carbon steel cylinder and the copper tube to rotate simultaneously.
Welder and welding method provided in an embodiment of the present invention for air conditioner muffler, by being set in plumb joint
The first laser channel and second laser channel being arranged in juxtaposition are set, and is arranged in second laser channel to first laser channel
The second reflecting mirror with the first mirror parallel arrangement is arranged in first laser channel, makes for inclined first reflecting mirror in direction
The laser that be injected out of second laser channel after the reflection of two eyeglasses, can be with the laser injected in first laser channel
Coaxial and parfocal realizes that two beam laser weld carbon steel cylinder and the junction of copper tube of air conditioner muffler simultaneously, so that carbon
The welding quality of the junction of steel cylinder and copper tube is preferable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural representation provided by the present invention for a preferred embodiment of the welder of air conditioner muffler
Figure；
Wherein, 1- plumb joint；2- rolling clamp；The first reflecting mirror of 3-；The second reflecting mirror of 4-；5- fiber optic collimator mirror；6- half
Conductor collimating mirror；7- focus lamp；8- optical fiber laser；9- semiconductor laser；10- carbon steel cylinder；11- copper tube.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Fig. 1 shows a preferred embodiment of the present invention for the welder of air conditioner muffler, as shown in Figure 1, should
Welder includes: plumb joint 1 and rolling clamp 2；The first laser channel being arranged in juxtaposition and second laser are equipped in plumb joint 1
Channel is equipped with towards inclined first reflecting mirror 3 of first laser channel direction in second laser channel, and first laser is equipped in channel
With the second reflecting mirror 4 of the first reflecting mirror 3 parallel arrangement；The lower section of the exit portal in first laser channel is arranged in rolling clamp 2,
For clamping and air conditioner muffler being driven to rotate；.
Specifically, which includes plumb joint 1 and rolling clamp 2, and first be arranged in juxtaposition is equipped in plumb joint 1 and is swashed
Optical channel and second laser channel, for example, the side to keep left in laser head is arranged in first laser channel, second laser channel is simultaneously
The side kept right in laser head, i.e. first laser channel and the right arrangement of one the first from left of second laser channel is arranged in column, such as Fig. 1 institute
Show；Laser channeling there are two setting in the plumb joint 1, can inject two-way laser simultaneously.And first laser channel has laser
Entrance port and exit portal, second laser channel has laser light incident mouth, and the exit portal in second laser channel and first laser are logical
Road connection.And it is equipped in second laser channel towards inclined first reflecting mirror 3 of first laser channel direction, that is, first is anti-
Mirror 3 is penetrated to tilt towards lower left；And the second reflecting mirror being arranged in parallel with the first reflecting mirror 3 is equipped in first laser channel
4, i.e. the second reflecting mirror 4 is also tilted towards lower left；The laser beam then injected out of second laser channel is successively through the first reflecting mirror 3
After reflection with the second reflecting mirror 4, coaxial and parfocal is reached with the laser beam injected out of first laser channel, i.e. two beams swash
Light is projected from the exit portal in first laser channel simultaneously.
It is equipped with rolling clamp 2 in the lower section of the exit portal in first laser channel, air conditioner muffler can be clamped in the rotation
Turn on fixture 2；For example, the air conditioner muffler includes copper tube 11 and the carbon steel cylinder 10 that is set in outside copper tube 11；For example, carbon
The trade mark of steel cylinder 10 is Q235A and the trade mark of muffler copper tube 11 is T1；For example, rolling clamp 2 is clamped air-conditioning noise reduction
The carbon steel cylinder 10 of device.When two beam laser are projected from the exit portal in first laser channel simultaneously, so that the focus of two beam laser
Expose to the carbon steel cylinder 10 of muffler on rolling clamp 2 and the junction of copper tube 11；Later, rolling clamp 2 drives air-conditioning
Muffler rotation realizes the welding of carbon steel cylinder 10 and copper tube 11 with the relative displacement of air conditioner muffler and two beam laser,
Realize the welding of two kinds of materials.
In embodiment, by the way that the first laser channel and second laser channel that are arranged in juxtaposition are arranged in plumb joint 1, with
And be arranged in second laser channel to inclined first reflecting mirror 3 of first laser channel direction, it is set in first laser channel
The second reflecting mirror 4 with the first reflecting mirror 3 parallel arrangement is set, so that the laser injected out of second laser channel is through two eyeglasses
Reflection after, can realize that two beam laser weld air-conditioning simultaneously with the laser coaxial and parfocal injected in first laser channel
The carbon steel cylinder 10 of muffler and the junction of copper tube 11, so that the welding matter of the junction of carbon steel cylinder 10 and copper tube 11
Amount is preferable.
Specifically, first laser channel is connected with optical fiber laser 8, and second laser channel is connected with semiconductor laser 9.
Wherein, optical fiber laser 8 refers to the laser for using doped rare earth element glass optical fiber as gain media, and optical fiber laser 8 can be
It developed on the basis of fiber amplifier: easily forming high power density in optical fiber under the action of pump light, cause laser
The laser levels " population inversion " of operation material can form laser vibration when being suitably added positive feedback loop (constituting resonant cavity)
Swing output.Semiconductor laser 9 is also known as laser diode, is to use semiconductor material as the laser of operation material.Due to object
Difference in matter structure, the detailed process that variety classes generate laser are more special.For example, the output power of optical fiber laser 8
For 2kw, wavelength 1080mm, the fibre core for transmitting optical fiber is 25um-50um；For example, the output power of semiconductor laser 9 is
1kW, wavelength 915nm, transmission fiber fibre core are 600um-800um；Then successively by the laser that exports semiconductor laser 9
After the first reflecting mirror 3 and the reflection of the second reflecting mirror 4, the laser coaxial and parfocal that are exported with optical fiber laser 8；It then can be simultaneously
The laser that semiconductor laser 9 exports and the laser that optical fiber laser 8 exports are gathered in carbon steel cylinder 10 and copper tube 11
Junction, it can it is preheated using junction of the semiconductor laser 9 to carbon steel cylinder 10 and copper tube 11, it is molten to increase
Width increases the depth of the junction welding to carbon steel cylinder 10 and copper tube 11, i.e. increase fusion penetration using optical fiber laser 8, into
And the carbon steel cylinder 10 and purple for the laser welding that the laser and optical fiber laser 8 that are exported using semiconductor laser 9 are exported
The welding quality of 11 junction of copper pipe is preferable.
Further, the laser light incident mouth in first laser channel is equipped with the optical fiber with the axis perpendicular in first laser channel
Collimating mirror 5.I.e. so that the laser exported from optical fiber laser 8 is sent to the laser light incident mouth in first laser channel through transmission fiber
Place, and collimated through the fiber optic collimator mirror 5, guarantee the collimation of laser beam.And the laser light incident in second laser channel
Mouth is equipped with the semiconductor collimating mirror 6 with the axis perpendicular in second laser channel.That is, the laser exported from semiconductor laser 9
It is sent at the laser light incident mouth in second laser channel through transmission fiber, and is collimated through the semiconductor collimating mirror 6, guarantee to swash
The collimation of light light beam；So that the laser beam can achieve when successively passing through the first reflecting mirror 3 and the second reflecting mirror 4
With the coaxial and parfocal of the laser elevation exported from optical fiber laser 8, the reliability and accuracy of welder are improved.
Further, the laser emitting mouth in first laser channel is equipped with the focusing with the axis perpendicular in first laser channel
Mirror 7.So that the laser that optical fiber laser 8 exports is focused to a lesser light through the focus lamp 7 after fiber optic collimator mirror 5
Spot, for example, the diameter of the hot spot is 0.15mm；And so that the laser that semiconductor laser 9 exports passes through semiconductor collimating mirror
After 6, then successively pass through the first reflecting mirror 3 and the second reflecting mirror 4, reaches same with the laser elevation that exports from optical fiber laser 8
After axis and parfocal, then through the focus lamp 7 it is focused to hot spot, for example, the diameter of the hot spot is 1.8mm.For example, can be by two beams
Laser is in the junction of focal position welding carbon steel cylinder 10 and copper tube 11, for example, the focus of two beam laser is in when welding
The edge of carbon steel cylinder 10 and it is located at the 0.1mm of end that carbon steel cylinder 10 is connected with copper tube 11.
Further, the first reflecting mirror 3 towards the inclined angle of first laser channel direction be 40 ° to 50 °.For example, with
The tilt angle of first reflecting mirror 3 is illustrated for being 45 °, and correspondingly the tilt angle of the second reflecting mirror 4 is also 45 °, but
The protection scope being not intended to restrict the invention.The laser that then semiconductor laser 9 exports is after semiconductor collimating mirror 6, successively
It is reflected through the first reflecting mirror 3 and the second reflecting mirror 4；Since the tilt angle of the first reflecting mirror 3 is 45 °, then semiconductor laser 9
The laser of output is after the reflection of the first reflecting mirror 3, and direction from becoming level to the left straight down；Due to the second reflecting mirror 4
Tilt angle is also 45 °, then its direction becomes straight down horizontal laser to the left after the reflection of the second reflecting mirror 4 again, in turn
So that the laser that semiconductor laser 9 exports reaches coaxial etc. with the laser that optical fiber laser 8 exports in first laser channel
Focal length.When the tilt angle of the first reflecting mirror 3 and the tilt angle of the second reflecting mirror 4 are other values, principle and above-mentioned original
Manage identical, details are not described herein.
The present invention also provides a kind of welding methods of welder for air conditioner muffler, comprising: to the of plumb joint 1
One laser channeling transmits first laser, and the second laser channel transfer second laser to plumb joint 1；First reflecting mirror, 3 He
Second reflecting mirror 4 reflects second laser, so that second laser and first laser are coaxial, same to focal length；First laser and the
The focus of dual-laser exposes to the carbon steel cylinder 10 of air conditioner muffler and the junction of copper tube 11, and rotates carbon steel cylinder simultaneously
10 and copper tube 11.
Specifically, for example, injecting the laser that optical fiber laser 8 exports to the entrance port in first laser channel, swash to second
The laser that semiconductor laser 9 exports is injected in the entrance port of optical channel, i.e., so that laser and semiconductor that optical fiber laser 8 issues
The laser that laser 9 issues reaches plumb joint through transmission fiber simultaneously；So that the laser that semiconductor laser 9 exports is successively through the
After one reflecting mirror 3 and the second reflecting mirror 4, the laser coaxial and parfocal that are exported with optical fiber laser 8.For example, by air-conditioning noise reduction
The carbon steel cylinder 10 of device is clamped on rolling clamp 2, so that the focus of two beam laser is just radiated at carbon steel cylinder 10 and red copper
The junction of pipe 11, for example, being radiated at carbon steel cylinder 10 and red copper after coaxial and parfocal two beam laser line focus mirrors 7 aggregation
The junction of pipe 11.Later, rolling clamp 2 drives carbon steel cylinder 10 and copper tube 11 to rotate simultaneously, with air-conditioning effector and
The welding of two kinds of dissimilar materials is realized in the relative movement of laser, for example, can realize carbon steel cylinder 10 and copper tube in two seconds
11 welding improves the welding quality and welding efficiency of air conditioner muffler.
Further, the focus of first laser and second laser exposes to the threshold value copper tube of carbon steel cylinder 10
110.05-0.2mm place.For example, the focus of first laser and second laser to be exposed to the threshold value red copper of carbon steel cylinder 10
At pipe 110.1mm, then it not will cause 11 burn-through of copper tube or crack situation in welding process, improve the welding matter of air conditioner muffler
Amount.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of welder for air conditioner muffler, comprising: plumb joint, which is characterized in that further include: rolling clamp；
It is equipped with the first laser channel and second laser channel being arranged in juxtaposition in the plumb joint, is set in the second laser channel
Have towards inclined first reflecting mirror of the first laser channel direction, is equipped in the first laser channel and first reflection
Second reflecting mirror of mirror parallel arrangement；
The lower section of the exit portal in the first laser channel is arranged in the rolling clamp, for clamping and driving air conditioner muffler
Rotation.
2. the welder according to claim 1 for air conditioner muffler, which is characterized in that the first laser channel
It is connected with optical fiber laser, the second laser channel is connected with semiconductor laser.
3. the welder according to claim 2 for air conditioner muffler, which is characterized in that the first laser channel
Laser light incident mouth be equipped with fiber optic collimator mirror with the axis perpendicular in the first laser channel.
4. the welder according to claim 2 for air conditioner muffler, which is characterized in that the second laser channel
Laser light incident mouth be equipped with semiconductor collimating mirror with the axis perpendicular in the second laser channel.
5. the welder according to claim 2 for air conditioner muffler, which is characterized in that the first laser channel
Laser emitting mouth be equipped with focus lamp with the axis perpendicular in the first laser channel.
6. the welder according to claim 2 for air conditioner muffler, which is characterized in that the optical fiber laser
Fibre core is 25um-50um；The fibre core of the semiconductor laser is 600um-800um.
7. the welder according to claim 1-6 for air conditioner muffler, which is characterized in that described first
Reflecting mirror towards the inclined angle of first laser channel direction be 40 ° to 50 °.
8. a kind of welding method using the described in any item welders for air conditioner muffler of claim 1-7, special
Sign is, comprising:
Swash to the first laser channel transfer first laser of plumb joint, and to the second laser channel transfer second of plumb joint
Light；
First reflecting mirror and the second reflecting mirror reflect the second laser, so that the second laser swashs with described first
Light is coaxial, same to focal length；
The focus of first laser and second laser exposes to carbon steel cylinder and the junction of copper tube of air conditioner muffler, and simultaneously
Rotate carbon steel cylinder and copper tube.
9. the welding method of the welder according to claim 8 for air conditioner muffler, which is characterized in that described
The focus of one laser and the second laser exposes at the threshold value copper tube 0.05-0.2mm of carbon steel cylinder.
10. the welding method of the welder according to claim 8 for air conditioner muffler, which is characterized in that described
While the step of rotating carbon steel cylinder and copper tube, includes:
The carbon steel cylinder of air conditioner muffler is clamped on rolling clamp, the rolling clamp drives the carbon steel cylinder and described
Copper tube rotates simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328167.3A CN109940271A (en) | 2019-04-23 | 2019-04-23 | Welder and welding method for air conditioner muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910328167.3A CN109940271A (en) | 2019-04-23 | 2019-04-23 | Welder and welding method for air conditioner muffler |
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| CN109940271A true CN109940271A (en) | 2019-06-28 |
Family
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Cited By (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021027206A1 (en) * | 2019-08-09 | 2021-02-18 | 武汉锐科光纤激光技术股份有限公司 | Combined coaxial dual laser and arc welding device and method |
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