CN108436212A - The welding method of aluminium alloy panel - Google Patents
The welding method of aluminium alloy panel Download PDFInfo
- Publication number
- CN108436212A CN108436212A CN201810565001.9A CN201810565001A CN108436212A CN 108436212 A CN108436212 A CN 108436212A CN 201810565001 A CN201810565001 A CN 201810565001A CN 108436212 A CN108436212 A CN 108436212A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- welded
- alloy panel
- welding
- vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B23K1/008—Soldering within a furnace
-
- 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
- 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
- B23K1/206—Cleaning
Abstract
This application involves a kind of welding methods of aluminium alloy panel.The method includes:1) aluminium alloy surface to be welded is handled, removes the oxidation film on the surface to be welded;2) anti-oxidant protective agent is coated on the surface to be welded;3) aluminium alloy panel welding structure is fixed by alloy frock clamp;4) weld heating is carried out in heating furnace, the heating furnace is vacuum furnace or inert gas shielding heating furnace.This welding manner pressurizes due to not needing Hydrauservo System, because without the size limitations by diffusion soldering equipment, being also avoided that the problems such as poor corrosion resistance caused by vacuum brazing, solder are overflowed into cavity.
Description
Technical field
This application involves chemical technology fields, more particularly to a kind of welding method of aluminium alloy panel.
Background technology
With the development of society, the demand for aluminium alloy panel cavity structure is also increasingly increasing.In the prior art, exist
When being welded to aluminium alloy panel cavity structure, mainly carried out by servo hydraulic system pressurization in Vacuum diffusion bonding furnace straight
Diffusion welding (DW) is connect, or by the way of vacuum brazing, realizes the welding of aluminium alloy panel Cavity structural member.
However the welding manner of this vacuum diffusion welding pressurizeed by Hydrauservo System, due to by equipment size shadow
Sound is larger, it is more difficult to meet the welding of large size panel cavity structure.And since panel prepared by vacuum brazing belongs to cavity knot
Structure, being added to solder in the welding process, to have weld interface corrosion resistance poor and be also easy to produce internal cavity space pricker
The problem of material wetting residual.
Invention content
Based on this, it is necessary to which in view of the above technical problems, corrosion resistance caused by vacuum brazing can be avoided by providing one kind
The welding method for the aluminium alloy panel that energy difference and solder are overflowed into cavity.
A kind of welding method of aluminium alloy panel, the method includes:
1) aluminium alloy surface to be welded is handled, removes the oxidation film on the surface to be welded;
2) anti-oxidant protective agent is coated on the surface to be welded;
3) aluminium alloy panel welding structure is fixed by alloy frock clamp;
4) weld heating is carried out in heating furnace.
The alloy frock clamp is low-expansion alloy frock clamp in one of the embodiments,;The heating furnace is
Vacuum furnace or inert gas shielding heating furnace.
In one of the embodiments, it is described aluminium alloy surface to be welded is handled before, further include:
Aluminium alloy panel component is pre-processed, the pretreatment is described to be cleaned to aluminium alloy panel component
Cleaning includes that the aluminium alloy panel component is placed in supersonic wave cleaning machine, when cleaning default using metal material cleaning solution
Between;
The pretreated aluminium alloy panel component of progress is cleaned and air-dried using organic solvent.
The organic solvent includes at least one of absolute alcohol, acetone in one of the embodiments,;The use
Organic solvent is cleaned and is air-dried to the pretreated aluminium alloy panel component of progress, including:
The pretreated aluminium alloy panel component of progress is rinsed and is air-dried using absolute alcohol or acetone, or
Wiping cleaning is carried out simultaneously to the pretreated aluminium alloy panel component of progress using the fabric for being moistened with absolute alcohol or acetone
It air-dries, the fabric includes gauze, silk, at least one of knits suede.
It is described in one of the embodiments, that aluminium alloy surface to be welded is handled, including:
Aluminium alloy surface to be welded is chemically treated, the chemical treatments include in pickling, alkali cleaning at least
One kind, the chemically treated time are 0.1~15 minute;
Aluminium alloy surface to be welded after chemical treatment is rinsed 0.1~20 minute, and is dried.
It is described in one of the embodiments, to coat anti-oxidant protective agent on the surface to be welded, including:
Coating protection is carried out to the surface to be welded using anti-oxidant protective agent, coating thickness is 0.1~3mm, described
Anti-oxidant protective agent is ethers organic liquid material or aldehydes organic liquid material.
It is described in one of the embodiments, that aluminium alloy panel welding structure is fixed by alloy frock clamp,
Including:
By assembled to the aluminium alloy panel welding structure with heavy load effect, the pressure loading of application is
0.1~50MPa, counterweight mode include at least one of the load of weight load, forcing press load;
Tightening operation is carried out to fastening bolt used in assembly, the tightening operation includes pneumatic, electronic bolt machine, hand
It is dynamic at least one of to tighten.
It is described in one of the embodiments, that weld heating is carried out in heating furnace, including:
The aluminium alloy panel welding structure after being fixed is placed in vacuum welding equipment, and the vacuum welding is set
Standby includes at least one of vacuum brazing furnace, vacuum heat treatment furnace, Vacuum diffusion bonding furnace, atmosphere heating furnace;
The aluminium alloy panel welding structure after being fixed is welded in the vacuum welding equipment.
It is 480 DEG C~630 DEG C that the welding temperature of the vacuum welding equipment, which is temperature, in one of the embodiments, weldering
It is 0~50Mpa to connect pressure, and welding soaking time is 0~600 minute, and heating and cooling velocity are 0~500 minute.
After carrying out weld heating in heating furnace described in one of the embodiments, further include:
It will carry out the aluminium alloy panel welding structure after weld heating to take out, carried out heat treatment reinforcement, quenching heat treatment
Temperature is 300~600 DEG C, and soaking time is 10~300 minutes, cooling medium include in argon gas, nitrogen, kerosene, brine extremely
Few one kind;
Solid-solution and aging heat treatment temperature is 25~300 DEG C, and aging time is 0~2400 hour.
The welding method of above-mentioned aluminium alloy panel after being handled by the surface to be welded to aluminium alloy, coats antioxygen
Change protective agent to treat face of weld and protected, and after aluminium alloy panel welding structure is fixed, by heating in vacuum
Weld heating is carried out to aluminium alloy panel in stove or inert gas shielding heating furnace.This welding manner, due to not needing hydraulic pressure
Servo-drive system is pressurizeed, because without the size limitations by diffusion soldering equipment, being also avoided that corrosion resistance caused by vacuum brazing
Can poor, solder overflowed into cavity and lead to that diffusion welding (DW) is difficult to construct and bond strength is low.
Specific implementation mode
In order to make the object, technical solution and advantage of the application be more clearly understood, with reference to embodiments, to the application
It is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, it is not used to limit
Determine the application.
In one embodiment, a kind of welding method of aluminium alloy panel is provided, is included the following steps:
1) aluminium alloy surface to be welded is handled, removes the oxidation film on surface to be welded.
2) anti-oxidant protective agent is coated on surface to be welded.
3) aluminium alloy panel welding structure is fixed by alloy frock clamp.
4) weld heating is carried out in heating furnace, heating furnace is vacuum furnace or inert gas shielding heating furnace.
First, aluminium alloy surface to be welded is handled, including treats face of weld and is chemically treated, such as pickling
Or alkali cleaning processing, it can also be carried out at the same time pickling and alkali cleaning processing, so as to remove the oxidation film on surface to be welded.To be welded
It can be 0.1~15 minute to connect the surface progress chemically treated time.After being chemically treated, can treat face of weld into
Row cleaning treatment, for example carry out clear water and rinse 0.1~20 minute, and surface to be welded is subjected to cold air drying so that it is to be welded
Surface is in drying regime.
Aluminium alloy surface to be welded is handled, the oxidation film on surface to be welded is eliminated, and treat face of weld into
Row rinses and after cold air drying processing, can coat anti-oxidant protective agent on surface to be welded.The anti-oxidant protective agent of coating can be with
For ethers or aldehydes organic liquid material, such as carbon containing organic colloid, carbon-free organic colloid or relevant solvent etc..Coat antioxygen
It can be 0.1~3mm to change protectant thickness.Next, can by alloy frock clamp to aluminium alloy panel welding structure into
Row is fixed.Specifically, it can carry out handling with heavy load effect, aluminium alloy panel cavity structure is assembled.The pressure applied
Power load can be 0.1~50MPa, and counterweight mode includes the modes such as the load of weight load and forcing press load.Then to assembly
Used fastening bolt carries out tightening operation, tightening operation includes pneumatic, electronic bolt machine, tighten manually at least one
Kind.
Next, weld heating, heating can be carried out to having carried out fixed aluminium alloy panel welding structure in heating furnace
Stove can be vacuum furnace or inert gas shielding heating furnace.Such as vacuum brazing furnace, vacuum heat treatment furnace, vacuum diffusion welding
Stove or atmosphere heating furnace etc..So as to carry out Welding-Heating Treatment in welding equipment, the welding temperature of welding equipment can be with
It it is 480 DEG C~630 DEG C, the pressure of welding can be 0~50Mpa, and welding soaking time can be 0~600 minute, add hot and cold
But speed can be 0~500 minute.
Finally, the aluminium alloy element come out of the stove can be subjected to heat treatment reinforcement.Quenching heat treatment temperature is 300~600 DEG C,
Soaking time is 10~300 minutes, and cooling medium includes argon gas, nitrogen, kerosene, brine etc..Solid-solution and aging heat treatment temperature is
25~300 DEG C, aging time is 0~2400 hour.
It, can be before handling aluminium alloy surface to be welded, to aluminium alloy panel portion in order to increase welding quality
Part carries out pretreatment operation, is comprehensively cleaned to aluminium alloy panel component.Pretreatment operation is to aluminium alloy panel portion
Part integrally carries out decontamination cleaning treatment operation of deoiling.Pretreatment operation can be that aluminium alloy panel component is placed into ultrasonic wave is clear
In washing machine, preset time is cleaned using metal material cleaning solution, preset time can be 10~60 minutes.And use organic solvent
The pretreated aluminium alloy panel component of progress is cleaned and air-dried, cold wind or natural wind can be used when air-dried.It is organic
Solvent can be absolute alcohol or acetone etc..The mode cleaned can be using absolute alcohol or acetone to pre-processing
Aluminium alloy panel component afterwards is rinsed and air-dries, and can also be pre- to carrying out using the fabric for being moistened with absolute alcohol or acetone
Treated, and aluminium alloy panel component carries out wiping cleaning and air-dries.Fabric includes gauze, silk, at least one of knits suede.
The welding method of above-mentioned aluminium alloy panel after being handled by the surface to be welded to aluminium alloy, coats antioxygen
Change protective agent to treat face of weld and protected, and after aluminium alloy panel welding structure is fixed, by heating in vacuum
Weld heating is carried out to aluminium alloy panel in stove or inert gas shielding heating furnace.This welding manner, due to not needing hydraulic pressure
Servo-drive system is pressurizeed, because without the size limitations by diffusion soldering equipment, being also avoided that corrosion resistance caused by vacuum brazing
Can poor, solder overflowed into cavity and lead to that diffusion welding (DW) is difficult to construct and bond strength is low.
In one embodiment, before handling aluminium alloy surface to be welded, further include:To aluminium alloy panel portion
Part is pre-processed, and is pre-processed to be cleaned to aluminium alloy panel component, cleaning include aluminium alloy panel component is placed in it is super
In sound wave cleaning machine, preset time is cleaned using metal material cleaning solution;Using organic solvent to carrying out pretreated aluminium conjunction
Golden panel component is cleaned and is air-dried.
In one embodiment, organic solvent includes at least one of absolute alcohol, acetone;Using organic solvent into
The pretreated aluminium alloy panel component of row is cleaned and is air-dried, including:Using absolute alcohol or acetone to pre-processing
Aluminium alloy panel component afterwards is rinsed and air-dries, or using the fabric of absolute alcohol or acetone is moistened with to pre-processing after
Aluminium alloy panel component carry out wiping and cleaning and air-dry, fabric includes gauze, silk, at least one of knits suede.
In one embodiment, aluminium alloy surface to be welded is handled, including:Aluminium alloy surface to be welded is carried out
Chemical treatment, chemical treatments include at least one of pickling, alkali cleaning, and the chemically treated time is 0.1~15 minute;It is right
Aluminium alloy surface to be welded after chemical treatment is rinsed 0.1~20 minute, and is dried.
In one embodiment, anti-oxidant protective agent is coated on surface to be welded, including:It is treated using anti-oxidant protective agent
Face of weld carries out coating protection, and coating thickness is 0.1~3mm, and anti-oxidant protective agent is ethers organic liquid material or aldehydes
Organic liquid material.
In one embodiment, aluminium alloy panel welding structure is fixed by alloy frock clamp, including:Pass through
Assemble aluminium alloy panel welding structure with heavy load effect, the pressure loading of application is 0.1~50MPa, counterweight
Mode includes at least one of the load of weight load, forcing press load;Fastening behaviour is carried out to fastening bolt used in assembly
Make, tightening operation includes pneumatic, electronic bolt machine, at least one of tightens manually.
In one embodiment, weld heating is carried out in heating furnace, including:Aluminium alloy panel weldering after being fixed
Binding is set up in vacuum welding equipment, and vacuum welding equipment includes vacuum brazing furnace, vacuum heat treatment furnace, vacuum diffusion welding
At least one of stove, atmosphere heating furnace;In vacuum welding equipment to the aluminium alloy panel welding structure after being fixed into
Row welding.
In one embodiment, it is 480 DEG C~630 DEG C that the welding temperature of vacuum welding equipment, which is temperature, welding pressure 0
~50Mpa, welding soaking time are 0~600 minute, and heating and cooling velocity are 0~500 minute.
In one embodiment, after carrying out weld heating in heating furnace, further include:After having carried out weld heating
Aluminium alloy panel welding structure take out, carry out heat treatment reinforcement, quenching heat treatment temperature is 300~600 DEG C, and soaking time is
10~300 minutes, cooling medium included at least one of argon gas, nitrogen, kerosene, brine;Solid-solution and aging heat treatment temperature is
25~300 DEG C, aging time is 0~2400 hour.
The welding method of aluminium alloy panel in this implementation is the profit in the vacuum furnace without servo hydraulic system
Fixation and limit with fastening device fixture to component, during elevated temperature thermal cycles by aluminium alloy panel cavity structure from
The diffusion welding (DW) at interface is realized in expansion.Therefore the welding method of the aluminium alloy panel in the present embodiment, can solve cavity structure
The aluminum alloy junction component welding application made.The especially welding at the corrosion-resistant interface of flow path groove, pore structure, can also solve other aluminium
The long-life high intensity of alloy structure connects, and meets the cold plates such as liquid cooling, air cooling structure and large-sized aluminium alloy heat insulation plate structure
The Member Welding manufacturing technology demand in equal fields.
Each technical characteristic of above example can be combined arbitrarily, to keep description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the range of this specification record.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, under the premise of not departing from the application design, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the protection domain of the application patent should be determined by the appended claims.
Claims (9)
1. a kind of welding method of aluminium alloy panel, the method includes:
1) aluminium alloy surface to be welded is handled, removes the oxidation film on the surface to be welded;
2) anti-oxidant protective agent is coated on the surface to be welded;
3) aluminium alloy panel welding structure is fixed by alloy frock clamp;
4) weld heating is carried out in heating furnace, the heating furnace is vacuum furnace or inert gas shielding heating furnace.
2. according to the method described in claim 1, it is characterized in that, carrying out handling it to aluminium alloy surface to be welded described
Before, further include:
Aluminium alloy panel component is pre-processed, the pretreatment is cleans aluminium alloy panel component, the cleaning
Including the aluminium alloy panel component to be placed in supersonic wave cleaning machine, preset time is cleaned using metal material cleaning solution;
The pretreated aluminium alloy panel component of progress is cleaned and air-dried using organic solvent.
3. according to the method described in claim 2, it is characterized in that, the organic solvent include in absolute alcohol, acetone extremely
Few one kind;It is described that the pretreated aluminium alloy panel component of progress is cleaned and air-dried using organic solvent, including:
The pretreated aluminium alloy panel component of progress is rinsed and is air-dried using absolute alcohol or acetone, or is used
The fabric for being moistened with absolute alcohol or acetone carries out wiping cleaning to the pretreated aluminium alloy panel component of progress and air-dries,
The fabric includes gauze, silk, at least one of knits suede.
4. according to the method described in claim 1, it is characterized in that, described handle aluminium alloy surface to be welded, including:
Aluminium alloy surface to be welded is chemically treated, the chemical treatments include at least one of pickling, alkali cleaning,
The chemically treated time is 0.1~15 minute;
Aluminium alloy surface to be welded after chemical treatment is rinsed 0.1~20 minute, and is dried.
5. according to the method described in claim 1, it is characterized in that, described coat anti-oxidation protection on the surface to be welded
Agent, including:
Coating protection is carried out to the surface to be welded using anti-oxidant protective agent, coating thickness is 0.1~3mm, the antioxygen
It is ethers organic liquid material or aldehydes organic liquid material to change protective agent.
6. according to the method described in claim 1, it is characterized in that, described weld aluminium alloy panel by alloy frock clamp
Structure is fixed, including:
By assembled to the aluminium alloy panel welding structure with heavy load effect, the pressure loading of application is 0.1
~50MPa, counterweight mode include at least one of the load of weight load, forcing press load;
Tightening operation is carried out to fastening bolt used in assembly, the tightening operation includes pneumatic, electronic bolt machine, twists manually
It is at least one of tight.
7. according to the method described in claim 1, it is characterized in that, described carry out weld heating in heating furnace, including:
The aluminium alloy panel welding structure after being fixed is placed in vacuum welding equipment, the vacuum welding equipment packet
Include at least one of vacuum brazing furnace, vacuum heat treatment furnace, Vacuum diffusion bonding furnace, atmosphere heating furnace;
The aluminium alloy panel welding structure after being fixed is welded in the vacuum welding equipment.
8. the method according to the description of claim 7 is characterized in that the welding temperature of the vacuum welding equipment is that temperature is
480 DEG C~630 DEG C, welding pressure be 0~50Mpa, welding soaking time be 0~600 minute, heating and cooling velocity be 0~
500 minutes.
9. according to the method described in claim 1, it is characterized in that, after progress weld heating, being gone back in heating furnace described
Including:
It will carry out the aluminium alloy panel welding structure after weld heating to take out, carried out heat treatment reinforcement, quenching heat treatment temperature
It it is 300~600 DEG C, soaking time is 10~300 minutes, and cooling medium includes at least one in argon gas, nitrogen, kerosene, brine
Kind;
Solid-solution and aging heat treatment temperature is 25~300 DEG C, and aging time is 0~2400 hour.
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CN201810565001.9A CN108436212A (en) | 2018-06-04 | 2018-06-04 | The welding method of aluminium alloy panel |
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CN201810565001.9A CN108436212A (en) | 2018-06-04 | 2018-06-04 | The welding method of aluminium alloy panel |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109128725A (en) * | 2018-11-09 | 2019-01-04 | 蒋博 | A kind of welding for steel structure method |
CN111926270A (en) * | 2020-07-28 | 2020-11-13 | 湖南中创空天新材料股份有限公司 | Preparation method of aluminum alloy brazing composite plate capable of being strengthened by aging and brazing method |
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CN201176458Y (en) * | 2007-11-22 | 2009-01-07 | 王中林 | Weldable aluminium base material |
JP2010094683A (en) * | 2008-10-14 | 2010-04-30 | Panasonic Corp | Diffusion bonding method of aluminum alloy |
CN104084691A (en) * | 2014-07-10 | 2014-10-08 | 西北工业大学 | Aluminum alloy constant-strength diffusion connecting method |
CN107460416A (en) * | 2017-07-28 | 2017-12-12 | 武汉理工大学 | Agitating friction weldering tailor welded solid solution aging integral forming method |
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CN1796036A (en) * | 2004-12-23 | 2006-07-05 | 中国科学院金属研究所 | Method for preparing surface aluminium based composite material |
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CN111926270A (en) * | 2020-07-28 | 2020-11-13 | 湖南中创空天新材料股份有限公司 | Preparation method of aluminum alloy brazing composite plate capable of being strengthened by aging and brazing method |
CN111926270B (en) * | 2020-07-28 | 2022-04-19 | 湖南中创空天新材料股份有限公司 | Preparation method of aluminum alloy brazing composite plate capable of being strengthened by aging and brazing method |
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