CN206747804U - A kind of laser soldering device of copper aluminium dissimilar metal - Google Patents
A kind of laser soldering device of copper aluminium dissimilar metal Download PDFInfo
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- CN206747804U CN206747804U CN201720151374.2U CN201720151374U CN206747804U CN 206747804 U CN206747804 U CN 206747804U CN 201720151374 U CN201720151374 U CN 201720151374U CN 206747804 U CN206747804 U CN 206747804U
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- laser
- copper aluminium
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- copper
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Abstract
The technical field of laser welding is the utility model is related to, more particularly, to a kind of laser soldering device of copper aluminium dissimilar metal.A kind of laser soldering device of copper aluminium dissimilar metal, wherein, the transmission mechanism being connected including laser welding apparatus, with laser welding apparatus, the laser Machining head being connected with transmission mechanism, the laser beam that laser Machining head projects are irradiated on the metal dust between two pieces of material cracks to be welded；Slope is respectively equipped between copper aluminium dissimilar metal to be welded.The utility model is easy to conventional laser equipment（Output wavelength is at 1.06 10.6 microns）Weld the metal materials such as the very high copper of reflectivity, aluminium.Absorptivity of the laser beam in copper aluminium surface is improved by a variety of methods, is advantageous to use laser welding copper aluminium dissimilar metal.
Description
Technical field
The technical field of laser welding is the utility model is related to, more particularly, to a kind of laser of copper aluminium dissimilar metal
Welder.
Background technology
In recent years, copper valency rises suddenly and sharply, and traditional industries impact is serious.Power electronics industry especially based on copper product is by pole
Big challenge.Aluminium is cheap（About four one-tenth of the 3 of copper valency）, there is very high sexual valence in power electronics sector application aluminum
Than.Copper partly is replaced with aluminium, turns into that power electronics industry is cost-effective, an effective way of enhancing efficiency by relying on tapping internal latent power, copper aluminium welding
Demand gradually highlights.In addition, traditional welding manner energy consumption is big, pollution is high, especially cost of labor is high.In recent years, Chinese people
Mouth gradually aging, labor shortage is serious, and cost of labor rises year by year, and relevant enterprise can't bear the heavy load.With automaticity it is high,
The modern laser welding copper aluminium dissimilar metal that speed is fast, pollution is small, is expected to problem of both more than solution.
The problem of laser welding is one extremely complex, it is related to welding, materialogy, solidification phase transformation, quantum mechanics etc.
Multiple fields.The physical and chemical performance of two kinds of metals of copper aluminium differs greatly, and itself is difficult to weld, and most of industrial laser
（Such as YAG laser, CO2 lasers, optical fiber laser, wavelength is at 1.06~10.6 μm）It is all very high in the reflectivity of copper aluminium surface
（Some is up to more than 90%）；So that there are some bottleneck problems in laser welding copper aluminum technology always.At present, to the heterogeneous gold of copper aluminium
The laser welding of category remains in experience level, and welding procedure lacks theories integration.
The content of the invention
The utility model is to overcome at least one defect described in above-mentioned prior art, there is provided a kind of copper aluminium dissimilar metal
Laser soldering device, can solve the welding of copper aluminium material material.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of laser of copper aluminium dissimilar metal
Welder, wherein, including laser welding apparatus, be connected with laser welding apparatus transmission mechanism, be connected with transmission mechanism
Laser Machining head, the laser beam that laser Machining head projects are irradiated on the metal dust between two pieces of material cracks to be welded；
Slope is respectively equipped between copper aluminium dissimilar metal to be welded.
In the utility model, by the way that the surface of copper aluminium different metal materials to be welded is carried out into slope processing, then at it
Middle berth enters corresponding metal dust（These metal dusts include copper powders, aluminium powder, or some easily can closely be tied with copper aluminium
Close other metal dusts for forming intermetallic compound）, absorptivity of the laser beam in copper aluminium surface is improved by a variety of methods,
Be advantageous to use laser welding copper aluminium dissimilar metal.
Further, described ramp angles are 30-60 degree, relative to the angle on another material slope be 120-
150 degree.
Slope processing is carried out to two interfaces of copper aluminium dissimilar metal to be welded.Certain slope is made it have, tiltedly
Angle of slope is about between 30-60 degree（Relative to another material slope angle about between 120-150 degree）, make
Being radiated at laser beam therein can be after two surface roundtrip between copper aluminium dissimilar metal to be welded, multiple reflections, greatly
Fraction of laser light energy is absorbed, and improves overall reflectivity, is advantageous to laser welding copper aluminium dissimilar metal.
Further, gap is left between described two blocks copper aluminium material material to be welded.In copper aluminum metallic material to be welded
Interface add metal dust, these metal dusts include copper powders, aluminium powder, or some easily can closely tie with copper aluminium
Close other metal dusts for forming intermetallic compound.Due to diffusing reflection so that these metal dusts are to commonly using industrial laser
（Wavelength is in 1.06-10.6 microns）Absorptivity greatly improve, so can not only improve laser input rate, also help and treat
Welding metal forms good combination.
Further, described metal dust is higher by two pieces of metal material surfaces to be welded.Powder is paved with gap and slightly had
It is unnecessary.Laser beam is irradiated on the metal dust between two pieces of material cracks to be welded, and fusing metal powder turns into liquid metals,
The liquid metals formed after fusion of metal powder is between copper product to be welded, aluminum.After laser beam is removed, liquid gold
Category cooling and two block of material to be welded form good combination.
Compared with prior art, beneficial effect is：The utility model is easy to conventional laser equipment（Output wavelength exists
1.06-10.6 micron）Weld the metal materials such as the very high copper of reflectivity, aluminium.Laser beam is improved in copper aluminium by a variety of methods
The absorptivity on surface, be advantageous to use laser welding copper aluminium dissimilar metal.
Brief description of the drawings
Fig. 1 is the utility model partial structural diagram.
Fig. 2 is the utility model single unit system structural representation.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.Being given for example only property of position relationship described in accompanying drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As shown in Figure 1, 2,1 is laser beam, and 2 be aluminum to be welded, and 3 be metal dust, and 4 be copper material to be welded
Material.
A kind of laser soldering device of copper aluminium dissimilar metal, wherein, including laser welding apparatus 5 and laser welding apparatus 5
The transmission mechanism 6 of connection, the laser Machining head 7 being connected with transmission mechanism 6, the laser beam 1 that laser Machining head 7 projects are irradiated to two
On metal dust between block material cracks to be welded；
Slope is respectively equipped between copper aluminium dissimilar metal to be welded.
In the present embodiment, by the way that the surface of copper aluminium different metal materials to be welded is carried out into slope processing, then wherein
Spread into corresponding metal dust 3（These metal dusts include copper powders, aluminium powder, or some easily can closely be tied with copper aluminium
Close other metal dusts for forming intermetallic compound）, absorptivity of the laser beam in copper aluminium surface is improved by a variety of methods,
Be advantageous to use laser welding copper aluminium dissimilar metal.
In addition, in the figures above or：2 be copper product to be welded, and 4 be aluminum to be welded.Other classes
Seemingly, effect is identical.
In the present embodiment, ramp angles are 30-60 degree, relative to the angle on another material slope be 120-150
Degree.
Slope processing is carried out to two interfaces of copper aluminium dissimilar metal to be welded.Certain slope is made it have, tiltedly
Angle of slope is about between 30-60 degree（Relative to another material slope angle about between 120-150 degree）, make
Being radiated at laser beam therein can be after two surface roundtrip between copper aluminium dissimilar metal to be welded, multiple reflections, greatly
Fraction of laser light energy is absorbed, and improves overall reflectivity, is advantageous to laser welding copper aluminium dissimilar metal.
Gap is left between two blocks of copper aluminium material material to be welded.Metal is added in the interface of copper aluminum metallic material to be welded
Powder, these metal dusts include copper powders, aluminium powder, or some easily can combine closely to form intermetallic with copper aluminium
Other metal dusts of thing.Due to diffusing reflection so that these metal dusts are to commonly using industrial laser（Wavelength is in 1.06-10.6
Micron）Absorptivity greatly improve, so can not only improve laser input rate, also help and formed well with metal to be welded
With reference to.
Metal dust is higher by two pieces of metal material surfaces to be welded.Powder is paved with gap and slightly unnecessary.Laser beam irradiates
Onto the metal dust between two pieces of material cracks to be welded, fusing metal powder turns into liquid metals, after fusion of metal powder
The liquid metals of formation is between copper product to be welded, aluminum.After laser beam is removed, liquid metals cooling and it is to be welded
Two block of material formed good combination.
Its overall operation principle：The laser beam exported from laser welding apparatus 5, by transmission mechanism 6（It is micro- for 1.06
The laser beam of rice, can be transmitted, now 6 can be optical fiber by optical fiber）, laser Machining head 7 is transferred to, by copper material to be welded
Material 4 and aluminum 2 carry out slope processing, make it have certain slope, ramp angles are about between 30-60 degree（Relative to
Another material slope angle about between 120-150 degree）, leave between two blocks of copper aluminium material material to be welded certain
Gap, and be covered with metal dust 3 wherein, metal dust 3 can be copper powders, can be aluminium powder or can and
Copper aluminium forms other metal dusts of good welds joint, and powder is paved with gap and slightly unnecessary.The laser exported from laser head 7
Beam 1 is irradiated on the metal dust 3 between two pieces of material cracks to be welded, and fusing metal powder 3 turns into liquid metals, metal powder
The liquid metals formed after the fusing of end is between copper product 4 to be welded, aluminum 2.Along two pieces of dissimilar metals to be welded
Gap, the irradiation area of mobile laser beam 1, laser beam 1 are irradiated on metal dust 3, fusing metal powder, mobile laser beam 1,
Liquid metal solidification after the fusing of metal dust 3 is simultaneously welded with adjacent Cu and Al combination, formation weld seam, completion.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments
It is exhaustive.All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in
Within the protection domain of the utility model claims.
Claims (3)
1. a kind of laser soldering device of copper aluminium dissimilar metal, it is characterised in that including laser welding apparatus（5）With Laser Welding
Connect equipment（5）The transmission mechanism of connection（6）With transmission mechanism（6）The laser Machining head of connection（7）, laser Machining head（7）Project
Laser beam（1）It is irradiated on the metal dust between two pieces of material cracks to be welded；Between copper aluminium dissimilar metal to be welded
Be respectively equipped with slope, described ramp angles are 30-60 degree, relative to the angle on another material slope be 120-150
Degree.
A kind of 2. laser soldering device of copper aluminium dissimilar metal according to claim 1, it is characterised in that：Described two pieces
Gap is left between copper aluminium material material to be welded.
A kind of 3. laser soldering device of copper aluminium dissimilar metal according to any one of claims 1 to 2, it is characterised in that：Institute
The metal dust stated is higher by two pieces of metal material surfaces to be welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720151374.2U CN206747804U (en) | 2017-02-20 | 2017-02-20 | A kind of laser soldering device of copper aluminium dissimilar metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720151374.2U CN206747804U (en) | 2017-02-20 | 2017-02-20 | A kind of laser soldering device of copper aluminium dissimilar metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206747804U true CN206747804U (en) | 2017-12-15 |
Family
ID=60608744
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720151374.2U Expired - Fee Related CN206747804U (en) | 2017-02-20 | 2017-02-20 | A kind of laser soldering device of copper aluminium dissimilar metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206747804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4084925A4 (en) * | 2019-12-30 | 2024-02-14 | Nuburu Inc | Methods and systems for reducing hazardous byproduct from welding metals using lasers |
-
2017
- 2017-02-20 CN CN201720151374.2U patent/CN206747804U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4084925A4 (en) * | 2019-12-30 | 2024-02-14 | Nuburu Inc | Methods and systems for reducing hazardous byproduct from welding metals using lasers |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20210220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |