CN105081599B - Medicine core soldering bar with diaphragm and preparation method thereof - Google Patents
Medicine core soldering bar with diaphragm and preparation method thereof Download PDFInfo
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- CN105081599B CN105081599B CN201510565404.XA CN201510565404A CN105081599B CN 105081599 B CN105081599 B CN 105081599B CN 201510565404 A CN201510565404 A CN 201510565404A CN 105081599 B CN105081599 B CN 105081599B
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- medicine core
- diaphragm
- soldering bar
- metal alloy
- filler metal
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Classifications
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- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
Abstract
The invention discloses a kind of medicine core soldering bar with diaphragm; including the soldering bar body that medicine core and the brazing filler metal alloy crust being coated on outside medicine core are constituted; brazing filler metal alloy crust includes silver-base solder, copper base solder, aluminium base solder or zinc-based solder, and medicine core is the brazing flux matched with brazing filler metal alloy crust；There is the diaphragm of 0.001 ~ 0.15mm of thickness in the outer surface seal adhesion of soldering bar body.The advantage of the invention is that in the outer surface seal adhesion layer protecting film of seamed medicine core soldering bar, can both avoid medicine core soldering bar moisture absorption from gap, storage cost is saved, saved the energy；The surface oxidation of seamed medicine core soldering bar can be also effectively prevented, the quality of soldered fitting is improve；Brazing flux and reducible oxidized brazing filler metal alloy crust contained in diaphragm, also help the wetting and spreading of solder to a certain extent simultaneously.The preparation method of the medicine core soldering bar with diaphragm of the invention is simple, and input cost is relatively low, and production efficiency is high.
Description
Technical field
The present invention relates to the seamed soldering bar with medicine core, can prevent brazing filler metal alloy surface oxidation more particularly, to one kind and lead to
The medicine core soldering bar with diaphragm of the gap moisture absorption is crossed, the invention further relates to the preparation method of the medicine core soldering bar.
Background technology
Medicine core soldering bar can be divided into seamless medicine core soldering bar and seamed soldering bar.Seamless soldering bar has good moisture resistance
Can, but preparation method is complicated, and it is relatively costly；Seamed medicine core soldering bar is by after multiple tracks rolling, through powder feeding by brazing filler metal alloy band
（Medicine core is sent into）, drawing, alignment, the operation such as shearing be made, the brazing filler metal alloy crust of finished product welding rod side laminates the seam to be formed
Gap is between 0.01~0.1mm.Brazing flux medicine core is usually after brazing flux drying, grinding, being well mixed, solder to be filled in through compacting
Inside alloy, the medicine core brazing flux being filled in brazing filler metal alloy crust is very easy to by the gap moisture absorption, while outside brazing filler metal alloy
The surface of skin is also susceptible to oxidation.
Easily failed after the medicine core brazing flux moisture absorption, the seamed medicine core soldering bar of the moisture absorption in use connects also easily soldering
Head produces gas hole defect, and the seamed medicine core soldering bar of surface oxidation easily makes soldered fitting produce the defects such as slag inclusion.If will
Seamed medicine core soldering bar after the moisture absorption is dried, and not only occupied ground but also need to consume more electric energy；Seamed medicine core is vacuum-packed
Though soldering bar can avoid the moisture absorption and surface oxidation problem during the storage of medicine core soldering bar, storage cost is higher.
The content of the invention
Can prevent brazing filler metal alloy surface oxidation and the band of the internal medicine core moisture absorption from protecting it is an object of the invention to provide a kind of
The medicine core soldering bar of film, the present invention also provides the preparation method of the medicine core soldering bar.
To achieve the above object, the present invention can take following technical proposals：
A kind of medicine core soldering bar with diaphragm of the present invention, including medicine core and the pricker that is coated on outside the medicine core
The soldering bar body that material alloy crust is constituted, the brazing filler metal alloy crust includes silver-base solder, copper base solder, aluminium base solder or zinc
Base solder, the medicine core is the brazing flux matched with the brazing filler metal alloy crust；Sealed in the outer surface of the soldering bar body
It is stained with diaphragm；The thickness of the diaphragm is 0.10 ~ 0.13mm；The diaphragm is by outer skin-deep with the brazing filler metal alloy
The brazing flux and gluing curing agent matched somebody with somebody are by 1:3~3:1 weight is formulated.
A kind of preparation method of medicine core soldering bar with diaphragm of the present invention is：Medicine core soldering bar is routinely square
It is standby that method is made the seamed medicine core soldering bar being made up of brazing filler metal alloy crust and medicine core；To match with brazing filler metal alloy crust composition
Brazing flux grind to form granularity less than 120 targeted fine powders, and by brazing flux:Gluing curing agent=1:3~3:1 weight is by brazing flux
Fine powder is well mixed in being added to the gluing curing agent of molten state；The seamed medicine core soldering bar that will be prepared immerses above-mentioned preparation
In molten state mixture, at the uniform velocity i.e. in the 0.10 ~ 0.13mm of outside sealing and curing a layer thickness of medicine core soldering bar after taking-up, cooling
Diaphragm, obtain the medicine core soldering bar finished product with diaphragm.
The advantage of the invention is that in the outer surface seal adhesion layer protecting film of seamed medicine core soldering bar, can both avoid medicine
Core soldering bar moisture absorption from gap, saves storage cost, has saved the energy；Can also effectively prevent the table of seamed medicine core soldering bar
Face aoxidizes, and improves the quality of soldered fitting；While outside brazing flux contained in diaphragm and reducible oxidized brazing filler metal alloy
Skin, also helps the wetting and spreading of solder to a certain extent.The preparation method letter of the medicine core soldering bar with diaphragm of the invention
Single, input cost is relatively low, and production efficiency is high.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the A-A of Fig. 1 to sectional view.
Specific embodiment
As shown in Figure 1-2, the medicine core soldering bar with diaphragm of the present invention, including medicine core 1 and it is coated on medicine core 1
The soldering bar body that outer brazing filler metal alloy crust 2 is constituted, brazing filler metal alloy crust 2 includes silver-base solder, copper base solder, aluminium base solder
Or zinc-based solder, medicine core 1 is the brazing flux matched with brazing filler metal alloy crust；Have one in the outer surface seal adhesion of soldering bar body
Thickness degree is the diaphragm 3 of 0.001 ~ 0.15mm, and diaphragm 3 is by the brazing flux and gluing curing agent that match with brazing filler metal alloy crust
By 1:3~3:1 weight is formulated.
The preparation method of the medicine core soldering bar with diaphragm of the present invention is：By medicine core soldering bar according to a conventional method
（Strip brazing material alloy is through operations such as multiple tracks rolling, powder feeding, drawing, alignments）It is made by having that brazing filler metal alloy crust and medicine core are constituted
Seam medicine core soldering bar is standby；The brazing flux matched with brazing filler metal alloy crust composition is ground to form into granularity less than 120 targeted fine powders, and
By brazing flux:Gluing curing agent=1:3~3:1 weight mixes during brazing flux fine powder to be added to the gluing curing agent of molten state
Uniformly；The seamed medicine core soldering bar that will be prepared is immersed in the molten state mixture of above-mentioned preparation, is at the uniform velocity existed after taking-up, cooling
The diaphragm of the 0.001 ~ 0.15mm of outer surface sealing and curing a layer thickness of medicine core soldering bar, obtains the medicine core soldering with diaphragm
Bar finished product.
More detailed explanation is done to the present invention below by specific embodiment.
Embodiment 1
Prepare medicine core soldering bars of the BAg45CuZn with diaphragm：
1）Brazing flux selects 20% Na2B4O7+ 30% B2O3+ 50% KBF4It is formulated；
2）The BAg45CuZn bands of thickness 0.25mm are made diameter through operations such as multiple tracks rolling, powder feeding, drawing, alignments
The seamed medicine core soldering bar of 2.0mm, length 450mm；
3）Granularity will be ground to less than the brazing flux powder of 120 mesh and the EVA adhesive curing agent of melting with 1:3 ratio mixing is equal
It is even, by step 2）The medicine core soldering bar of preparation is immersed in the mixture, is at the uniform velocity taken out, and is obtained final product with diaphragm after cooling and solidifying
BAg45CuZn medicine core soldering bar finished products, the thickness of diaphragm is about 0.10mm.
The obtained medicine core soldering bar with diaphragm is placed on air simultaneously with the medicine core soldering bar commonly without diaphragm
Placed one week in environment, the medicine core soldering bar with diaphragm does not almost increase weight, and common medicine core soldering bar weightening about 0.26%；
Medicine core pricker electrode surface with diaphragm does not almost change colour, and common medicine core soldering bar surface is dimmed because of oxidation color.Two
After month, the medicine core soldering bar weightening about 0.1% with diaphragm, and common medicine core soldering bar weightening about 1.26%；Medicine with diaphragm
Core pricker electrode surface does not almost change colour, and common medicine core soldering bar surface becomes deep dark because of oxidation color.
Embodiment 2
Prepare medicine core soldering bars of the BAg30CuZn with diaphragm：
1）Brazing flux selects 20% Na2B4O7+ 35% B2O3+ 45% KBF4It is formulated；
2）The BAg30CuZn bands of thickness 0.25mm are made diameter through operations such as multiple tracks rolling, powder feeding, drawing, alignments
The seamed medicine core soldering bar of 2.0mm, length 450mm；
3）Granularity will be ground to less than the brazing flux powder of 120 mesh and the EVA adhesive curing agent of melting with 1:2 ratio mixing is equal
It is even, by step 2）The medicine core soldering bar of preparation is immersed in the mixture, is at the uniform velocity taken out, and is obtained final product with diaphragm after cooling and solidifying
BAg30CuZn medicine core soldering bar finished products, the thickness of diaphragm is about 0.12mm.
The obtained medicine core soldering bar with diaphragm is placed on air simultaneously with the medicine core soldering bar commonly without diaphragm
Placed one week in environment, the medicine core soldering bar with diaphragm does not almost increase weight, and common medicine core soldering bar weightening about 0.32%；
Medicine core pricker electrode surface with diaphragm does not almost change colour, and common medicine core soldering bar surface is dimmed because of oxidation color.Two
After month, the medicine core soldering bar weightening about 0.05% with diaphragm, and common medicine core soldering bar weightening about 1.45%；Medicine with diaphragm
Core pricker electrode surface does not almost change colour, and common medicine core soldering bar surface becomes deep dark because of oxidation color.
Embodiment 3
Prepare medicine core soldering bars of the BCu62Zn with diaphragm：
1）Brazing flux selects 50% Na2B4O7+ 40% B2O3+ 10% KBF4It is formulated；
2）The BCu62Zn bands of thickness 0.25mm are made diameter through operations such as multiple tracks rolling, powder feeding, drawing, alignments
The seamed medicine core soldering bar of 2.0mm, length 450mm；
3）Granularity will be ground to less than the brazing flux powder of 120 mesh and the EVA adhesive curing agent of melting with 1:1 ratio mixing is equal
It is even, by step 2）The medicine core soldering bar of preparation is immersed in the mixture, is at the uniform velocity taken out, and is obtained final product with diaphragm after cooling and solidifying
BCu62Zn medicine core soldering bar finished products, the thickness of diaphragm is about 0.13mm.
The obtained medicine core soldering bar with diaphragm is placed on air simultaneously with the medicine core soldering bar commonly without diaphragm
Placed one week in environment, the medicine core soldering bar with diaphragm does not almost increase weight, and common medicine core soldering bar weightening about 0.28%；
Medicine core pricker electrode surface with diaphragm does not almost change colour, and common medicine core soldering bar surface is dimmed because of oxidation color.Two
After month, the medicine core soldering bar weightening about 0.08% with diaphragm, and common medicine core soldering bar weightening about 1.56%；Medicine with diaphragm
Core pricker electrode surface does not almost change colour, and common medicine core soldering bar surface becomes deep dark because of oxidation color.
Claims (2)
1. a kind of medicine core soldering bar with diaphragm, including medicine core（1）And it is coated on the medicine core（1）Outside outer brazing filler metal alloy
Skin（2）The soldering bar body of composition, it is characterised in that：The brazing filler metal alloy crust（2）Including silver-base solder, copper base solder, aluminium
Base solder or zinc-based solder, the medicine core（1）It is the brazing flux matched with the brazing filler metal alloy crust；In the soldering bar body
Outer surface seal adhesion have diaphragm（3）；The diaphragm（3）Thickness be 0.10 ~ 0.13mm；The diaphragm（3）By
The brazing flux and gluing curing agent matched with the brazing filler metal alloy crust are by 1:3~3:1 weight is formulated.
2. the preparation method of the medicine core soldering bar with diaphragm of claim 1 is：Medicine core soldering bar is made according to a conventional method
The seamed medicine core soldering bar being made up of brazing filler metal alloy crust and medicine core is standby；The brazing flux that will be matched with brazing filler metal alloy crust composition
Granularity is ground to form less than 120 targeted fine powders, and by brazing flux:Gluing curing agent=1:3~3:1 weight adds brazing flux fine powder
Enter in the gluing curing agent of molten state and be well mixed；The seamed medicine core soldering bar that will be prepared immerses the molten state of above-mentioned preparation
At the uniform velocity it is the protection of the 0.10 ~ 0.13mm of outside sealing and curing a layer thickness in medicine core soldering bar after taking-up, cooling in mixture
Film, obtains the medicine core soldering bar finished product with diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510565404.XA CN105081599B (en) | 2015-09-25 | 2015-09-25 | Medicine core soldering bar with diaphragm and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510565404.XA CN105081599B (en) | 2015-09-25 | 2015-09-25 | Medicine core soldering bar with diaphragm and preparation method thereof |
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| Publication Number | Publication Date |
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| CN105081599A CN105081599A (en) | 2015-11-25 |
| CN105081599B true CN105081599B (en) | 2017-06-20 |
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| CN201510565404.XA Active CN105081599B (en) | 2015-09-25 | 2015-09-25 | Medicine core soldering bar with diaphragm and preparation method thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271226B (en) * | 2016-08-31 | 2018-11-16 | 郑州机械研究所有限公司 | A kind of flux coated brazingrod |
| CN106271203B (en) * | 2016-08-31 | 2018-12-18 | 郑州机械研究所有限公司 | A kind of flux coated brazingrod and preparation method thereof |
| US10987747B2 (en) * | 2017-12-19 | 2021-04-27 | Zhengzhou Research Institute Of Mechanical Engineering Co., Ltd. | Brazing material outer coat and preparation method thereof, in-situ synthetic metal-coated flux-cored silver brazing material, preparation method thereof, welding method and joint body |
| CN112212101A (en) * | 2020-09-29 | 2021-01-12 | 河南龙辉铜业有限公司 | Copper water pipe elbow with welding flux and manufacturing method and welding method thereof |
| CN112621010A (en) * | 2020-12-25 | 2021-04-09 | 中机智能装备创新研究院(宁波)有限公司 | Flux-cored zinc-aluminum brazing filler metal and preparation method thereof |
| CN113579559A (en) * | 2021-09-14 | 2021-11-02 | 中机智能装备创新研究院(宁波)有限公司 | Flux-cored silver solder with indium protective layer and preparation method |
| CN115488543A (en) * | 2022-09-06 | 2022-12-20 | 郑州机械研究所有限公司 | Flux-cored welding ring and preparation method thereof |
Citations (1)
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| CN201483169U (en) * | 2009-06-01 | 2010-05-26 | 宏桥纳米科技（深圳）有限公司 | Micro-diameter lead-free solder wire for stainless steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS63101093A (en) * | 1986-10-17 | 1988-05-06 | Daido Steel Co Ltd | Covered electrode for arc welding |
| CN101920403B (en) * | 2010-07-27 | 2013-07-31 | 浙江新锐焊接材料有限公司 | Moisture absorption resisting aluminum alloy slit flux-cored wire and manufacturing method thereof |
| CN102152030A (en) * | 2011-03-01 | 2011-08-17 | 中国人民解放军海军工程大学 | Method for preparing moisture absorption resistant protection film of welding rod by palmitic acid microwave reaction |
| CN202701625U (en) * | 2012-06-19 | 2013-01-30 | 常州宏鹄焊接材料有限公司 | Flux-cored wire |
| CN104759785A (en) * | 2015-04-17 | 2015-07-08 | 郑州机械研究所 | Seamed flux-cored silver welding wire and preparation method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201483169U (en) * | 2009-06-01 | 2010-05-26 | 宏桥纳米科技（深圳）有限公司 | Micro-diameter lead-free solder wire for stainless steel |
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Inventor after: Long Weimin Inventor after: Zhao Chenfeng Inventor after: Li Xiupeng Inventor after: Zhang Hongchao Inventor after: Xue Hongyu Inventor after: Xuan Qingqing Inventor after: Zhong Sujuan Inventor after: Dong Bowen Inventor after: Ma Jia Inventor after: Zhang Lei Inventor after: Zhu Kun Inventor after: Zhang Guanxing Inventor after: Pei Yinyin Inventor after: Shen Yuanxun Inventor before: Long Fei Inventor before: Zhang Hongchao Inventor before: Xue Hongyu Inventor before: Xuan Qingqing |
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Effective date of registration: 20170505 Address after: 450000 intersection of science Avenue and Korean Pine Road, hi tech Industrial Development Zone, Henan, Zhengzhou Applicant after: Zhengzhou Research Institute of Mechanical Engineering Address before: 450000 Henan City, Zhengzhou province No. 27 East Central Road, No. 101, building 4, unit 9, No. 5 Applicant before: Long Fei |
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Address after: 450001 science avenue of Zhengzhou high tech Industrial Development Zone, Zhengzhou, Henan Province, No. Patentee after: Zhengzhou Machinery Research Institute Co., Ltd. Address before: 450000 intersection of science Avenue and Korean Pine Road, hi tech Industrial Development Zone, Henan, Zhengzhou Patentee before: Zhengzhou Research Institute of Mechanical Engineering |