CN113102903A - Method for manufacturing aluminum alloy antenna oscillator - Google Patents
Method for manufacturing aluminum alloy antenna oscillator Download PDFInfo
- Publication number
- CN113102903A CN113102903A CN202110340825.8A CN202110340825A CN113102903A CN 113102903 A CN113102903 A CN 113102903A CN 202110340825 A CN202110340825 A CN 202110340825A CN 113102903 A CN113102903 A CN 113102903A
- Authority
- CN
- China
- Prior art keywords
- welding
- antenna oscillator
- aluminum alloy
- tool
- base
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 59
- 238000005219 brazing Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical group CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 239000013527 degreasing agent Substances 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 5
- 238000005237 degreasing agent Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
Images
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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/60—Preliminary treatment
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a method for manufacturing an aluminum alloy antenna oscillator, which comprises the following steps: s1: cleaning each part to be welded to ensure that the welding part is clean; s2: setting laser welding parameters, and welding wings of the antenna oscillator by using a handheld laser welding method; s3: assembling the branch pipes welded with the wings and the base into a whole through a tool; s4: putting the tool and the antenna oscillator into an oven for preheating, setting the preheating temperature to be 560 ℃, and the preheating time to be 30 minutes; s5: and taking out the preheated vibrator together with the tool, and welding the base part by using flame brazing. According to the invention, the wing part of the antenna oscillator is welded by laser welding, and the base part of the antenna oscillator is welded by flame brazing, so that the problems of high welding difficulty and high welding cost of the antenna oscillator are solved, meanwhile, the welding deformation is small, the welding quality is good, and a large amount of cost is saved for the mass welding of the antenna oscillator.
Description
Technical Field
The invention relates to the technical field of metal welding, in particular to a method for manufacturing an aluminum alloy antenna oscillator.
Background
The antenna oscillator is a component on the antenna, has the functions of guiding and amplifying electromagnetic waves, and is an important part for transmitting and receiving the electromagnetic waves by the radar. With the development of radar technology, antenna elements are more diversified and more complicated.
A certain antenna oscillator is welded on a base through four tubes with fins, the base is small in size, the four tubes are arranged in a rectangular mode, the minimum distance between every two adjacent tubes is only 5mm, the tube length is 421mm, the wall thickness is 2mm, the fin plate thickness is 5mm, the fin parts are welded through traditional argon arc welding, the tube walls are easy to weld through, and protruding welding scars affect later-stage assembly.
Four tubes of the vibrator are welded with the base, the periphery of the tubes cannot be fully welded by a common welding method, and if the periphery of the tubes is not fully welded, electromagnetic waves can be leaked to influence the performance of the radar.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a method for manufacturing an aluminum alloy antenna oscillator, which aims to solve the problems that the wing part of the antenna oscillator is easy to burn through, the assembly is greatly influenced by a crater, and the base part cannot form an annular full weld.
Therefore, the invention provides a method for manufacturing an aluminum alloy antenna oscillator, wherein the antenna oscillator comprises a base, a first supporting tube, a second supporting tube, a connecting tube and a wing plate, and the method comprises the following steps:
s1: wiping the welding position by using a degreasing agent, and cleaning the part before welding;
s2: laser welding the connecting pipe and the second supporting pipe in an insertion type welding mode by using first laser power; performing laser welding on the first supporting pipe and the wing plate and the connecting pipe and the wing plate by using second laser power in a mode of welding the first supporting pipe and the wing plate and clinging to the surface of the pipe in the thickness direction of the plate, wherein the second laser power is greater than the first laser power;
s3: fixing the base on the tool, respectively inserting the wings into the base and fixing the directions of the wings, so that the vibrator and the tool are connected into a whole;
s4: placing the antenna oscillator and the tool in an oven together for preheating, wherein the preheating temperature is 520-600 ℃, and the heat preservation time is more than 25 minutes;
s5: and after preheating, taking out the antenna oscillator and the tool, and respectively welding the first supporting tube and the second supporting tube with the base by flame brazing.
Preferably, the first laser power for welding between the connecting pipe and the second support pipe is 700W-800W.
Preferably, the second laser power for welding between the first support tube and the wing plate and between the connecting tube and the wing plate is selected from 950W-1050W.
Preferably, the preheating temperature is 560 ℃ and the holding time is 30 minutes.
Preferably, the degreaser is an acetone solution.
According to the method for manufacturing the aluminum alloy antenna oscillator, the problems that the wing part of the antenna oscillator is easy to burn through and the assembly is affected by large craters are solved by adopting laser welding, flame brazing is used, workpieces are preheated in advance, and the problem that the base part cannot form an annular full weld seam is solved.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a first schematic structural diagram of an aluminum alloy antenna oscillator according to the present invention;
FIG. 2 is a second schematic structural diagram of an aluminum alloy antenna oscillator according to the present invention; and
fig. 3 is a flow chart of a method for manufacturing the aluminum alloy antenna oscillator of the invention.
Description of the reference numerals
1. A base; 2. a first support pipe; 3. a second supporting tube; 4. a connecting pipe; 5. a wing plate.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 and 2, the aluminum alloy antenna oscillator of the present invention includes a base 1 and two sets of wings, one set of wings includes a wing panel 5 and a pair of support tubes one 2 mounted on the base 1, the wing panel 5 is mounted on the outer side of the support tubes one 2, the other set of wings includes a wing panel 5, a pair of support tubes two 3 and a connecting tube 4, the connecting tube 4 is disposed between the wing panel 5 and the support tubes two 3 for connecting the wing panel 5 and the support tubes two 3 into a whole.
The first supporting tube 2 and the second supporting tube 3 are welded with the base 1 respectively, and therefore the antenna oscillator is formed in an assembling mode.
The method for manufacturing the aluminum alloy antenna oscillator comprises the following steps of:
s1: wiping the welding position by using a degreasing agent, and cleaning the part before welding;
s2: laser welding the connecting pipe and the second supporting pipe in an insertion type welding mode by using first laser power; performing laser welding on the first supporting pipe and the wing plate and the connecting pipe and the wing plate by using second laser power in a mode of welding the first supporting pipe and the wing plate and clinging to the surface of the pipe in the thickness direction of the plate, wherein the second laser power is greater than the first laser power;
s3: fixing the base on the tool, respectively inserting the wings into the base and fixing the directions of the wings, so that the vibrator and the tool are connected into a whole;
s4: placing the antenna oscillator and the tool in an oven together for preheating, wherein the preheating temperature is 520-600 ℃, and the heat preservation time is more than 25 minutes;
s5: and after preheating, taking out the antenna oscillator and the tool, and respectively welding the first supporting tube and the second supporting tube with the base by flame brazing.
Preferably, the first laser power for welding between the connecting pipe and the second support pipe is 700W-800W.
Preferably, the second laser power for welding between the first support tube and the wing plate and between the connecting tube and the wing plate is selected from 950W-1050W.
Preferably, the preheating temperature is 560 ℃ and the holding time is 30 minutes.
Preferably, the degreaser is an acetone solution.
The following briefly describes the manufacturing process of the aluminum alloy antenna oscillator of the present invention with reference to the accompanying drawings.
Firstly, cleaning parts before welding, mainly removing oil, wiping welding positions by using acetone, and ensuring that the welding positions are clean; then, setting laser welding parameters, welding wings of the antenna oscillator by using a handheld laser welding method, wherein the wing part has two types of joint forms, namely tube-tube welding and tube-plate welding, an insertion welding form is used during the tube-tube welding, the welding position has a thinner structure, small-power equipment is selected for welding, the laser power can be selected from 700W to 800W, the specific laser power is selected from 750W, the tube-plate welding is performed in a way that the plate thickness direction is tightly attached to the surface of the tube, the welding position has a thicker structure, the laser power can be selected from 950W to 1050W, and the specific laser power is selected from 1000W.
Then, assembling the welded branch pipes of the wings and the base into a whole through a tool, fixing the antenna oscillator base on the tool, respectively inserting the pipes with the wings into the base, embedding the upper ends of the pipes into the tool grooves, fixing the directions of the wings, and tightening bolts to connect the oscillator and the tool into a whole; and then, preheating, namely placing the antenna oscillator and the tool in an oven together, wherein the preheating temperature of the oven is slightly lower than the melting point of the aluminum alloy, is about 520-600 ℃, and the heat preservation time is longer than 25 minutes, so as to ensure that the antenna oscillator fully absorbs heat and reaches the set temperature meeting the welding, specifically the preheating temperature is 560 ℃ and the heat preservation time is 30 minutes.
And finally, taking out the antenna oscillator and the tool, and welding the pipe and the base by using flame brazing.
The method solves the problems that the wing part of the antenna oscillator is easy to burn through and the assembly is influenced by large craters by adopting laser welding, and solves the problem that the base part cannot form an annular full weld joint by using flame brazing.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The method for manufacturing the aluminum alloy antenna oscillator is characterized in that the antenna oscillator comprises a base, a first supporting tube, a second supporting tube, a connecting tube and a wing plate, and the method comprises the following steps:
s1: wiping the welding position by using a degreasing agent, and cleaning the part before welding;
s2: laser welding the connecting pipe and the second supporting pipe in an insertion type welding mode by using first laser power; performing laser welding on the first supporting pipe and the wing plate and the connecting pipe and the wing plate by using second laser power in a mode of welding the first supporting pipe and the wing plate and clinging to the surface of the pipe in the thickness direction of the plate, wherein the second laser power is greater than the first laser power;
s3: fixing the base on the tool, respectively inserting the wings into the base and fixing the directions of the wings, so that the vibrator and the tool are connected into a whole;
s4: placing the antenna oscillator and the tool in an oven together for preheating, wherein the preheating temperature is 520-600 ℃, and the heat preservation time is more than 25 minutes;
s5: and after preheating, taking out the antenna oscillator and the tool, and respectively welding the first supporting tube and the second supporting tube with the base by flame brazing.
2. The method for manufacturing the aluminum alloy antenna element according to claim 1, wherein the first laser power for welding the connecting pipe and the second supporting pipe is 700W-800W.
3. The method for manufacturing the aluminum alloy antenna element according to claim 1, wherein the second laser power for welding between the first support tube and the wing plate and between the connecting tube and the wing plate is selected from 950W to 1050W.
4. The method for manufacturing the aluminum alloy antenna element according to claim 1, wherein the preheating temperature is preferably 560 ℃ and the holding time is 30 minutes.
5. The method for manufacturing the aluminum alloy antenna element according to claim 1, wherein the degreasing agent is an acetone solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110340825.8A CN113102903A (en) | 2021-03-30 | 2021-03-30 | Method for manufacturing aluminum alloy antenna oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110340825.8A CN113102903A (en) | 2021-03-30 | 2021-03-30 | Method for manufacturing aluminum alloy antenna oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113102903A true CN113102903A (en) | 2021-07-13 |
Family
ID=76712737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110340825.8A Pending CN113102903A (en) | 2021-03-30 | 2021-03-30 | Method for manufacturing aluminum alloy antenna oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113102903A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110056069A1 (en) * | 2009-09-09 | 2011-03-10 | Vivant Medical, Inc. | Method for Constructing a Dipole Antenna |
| CN103367869A (en) * | 2012-03-27 | 2013-10-23 | 华为技术有限公司 | Antenna oscillator and manufacturing method thereof |
| KR101378823B1 (en) * | 2013-04-24 | 2014-03-28 | (주)씨엠코리아 | Brazing materials and brazing method of heater thereusing |
| CN206028944U (en) * | 2016-09-14 | 2017-03-22 | 湖北三江航天险峰电子信息有限公司 | Umbrella antenna gas brazing frock |
| CN110576263A (en) * | 2019-09-25 | 2019-12-17 | 成都青石激光科技有限公司 | dissimilar metal laser cladding welding method for copper pipe and steel pipe |
| CN110695481A (en) * | 2019-09-26 | 2020-01-17 | 摩比科技（深圳）有限公司 | Tin furnace welding equipment applied to base station antenna oscillator assembly |
| CN211238497U (en) * | 2020-03-26 | 2020-08-11 | 中航富士达科技股份有限公司 | Antenna element unit with bending vibration arm |
| CN111618436A (en) * | 2020-06-15 | 2020-09-04 | 中国电子科技集团公司第三十八研究所 | Welding tool and welding method for dual-polarized antenna metal oscillator |
-
2021
- 2021-03-30 CN CN202110340825.8A patent/CN113102903A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110056069A1 (en) * | 2009-09-09 | 2011-03-10 | Vivant Medical, Inc. | Method for Constructing a Dipole Antenna |
| CN103367869A (en) * | 2012-03-27 | 2013-10-23 | 华为技术有限公司 | Antenna oscillator and manufacturing method thereof |
| KR101378823B1 (en) * | 2013-04-24 | 2014-03-28 | (주)씨엠코리아 | Brazing materials and brazing method of heater thereusing |
| CN206028944U (en) * | 2016-09-14 | 2017-03-22 | 湖北三江航天险峰电子信息有限公司 | Umbrella antenna gas brazing frock |
| CN110576263A (en) * | 2019-09-25 | 2019-12-17 | 成都青石激光科技有限公司 | dissimilar metal laser cladding welding method for copper pipe and steel pipe |
| CN110695481A (en) * | 2019-09-26 | 2020-01-17 | 摩比科技（深圳）有限公司 | Tin furnace welding equipment applied to base station antenna oscillator assembly |
| CN211238497U (en) * | 2020-03-26 | 2020-08-11 | 中航富士达科技股份有限公司 | Antenna element unit with bending vibration arm |
| CN111618436A (en) * | 2020-06-15 | 2020-09-04 | 中国电子科技集团公司第三十八研究所 | Welding tool and welding method for dual-polarized antenna metal oscillator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3849854A (en) | Method for making evaporator or condenser unit | |
| CN103343847B (en) | Cu-AL pipe and its welding procedure | |
| CN110102847A (en) | A kind of processing method of aluminium alloy tube radiator core | |
| WO2017018438A1 (en) | Heat exchanger and method for producing same | |
| US4327800A (en) | Method of manufacturing heat exchanger core and assembly therefor | |
| CN105290554B (en) | A kind of vacuum brazing technique of niobium tungsten alloy and stainless steel ring-shaped work pieces | |
| CN103406627B (en) | The method for welding of a kind of aluminum radiator hourglass pipe nitrogen protection | |
| WO2017073003A1 (en) | Brazing material for brazing heat-exchanger aluminum pipe, method for joining heat-exchanger aluminum pipe using same, and joint structure of heat-exchanger aluminum pipe | |
| KR20200083898A (en) | Plate heat exchanger | |
| CN113102903A (en) | Method for manufacturing aluminum alloy antenna oscillator | |
| JP2005262248A (en) | Joined body of copper tube and aluminum tube, manufacturing method of the joined body, and freezing circuit | |
| JP2012000643A (en) | Joining method of aluminum pipe and copper pipe, joining structure and heat exchanger having the joining structure | |
| CN113681158A (en) | Device and method for welding and fixing tube shell of traveling wave tube | |
| JP2012000645A (en) | Joining method of aluminum pipe and copper pipe, joining structure and heat exchanger having the joining structure | |
| KR100430666B1 (en) | Apparatus and method for welding other parts made of steel to a base member | |
| KR20210001429U (en) | liquid storage device | |
| JP5633206B2 (en) | Joining method and joining structure of aluminum tube and copper tube, and heat exchanger having this joining structure | |
| CN207195143U (en) | A kind of compressor air suction structure | |
| CN112743298B (en) | Method for manufacturing cooling system heat shield module | |
| JPH0768374A (en) | Method for joining aluminum material to stainless steel | |
| CN211450862U (en) | Welding structure of waste heat boiler | |
| JP2013208647A (en) | Method for joining copper tube and aluminum tube, and joined tube | |
| RU2443521C1 (en) | Method of low temperature soldering of thin-wall cylindrical titanium and steel parts | |
| CN118060652B (en) | Welding method for aluminum alloy sealed radiator | |
| CN116408608A (en) | Method for manufacturing joint assembly and joint assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210713 |