CN208099655U - A kind of unilateral side flux coated brazingrod ring - Google Patents
A kind of unilateral side flux coated brazingrod ring Download PDFInfo
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- CN208099655U CN208099655U CN201820214953.1U CN201820214953U CN208099655U CN 208099655 U CN208099655 U CN 208099655U CN 201820214953 U CN201820214953 U CN 201820214953U CN 208099655 U CN208099655 U CN 208099655U
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Abstract
The utility model relates to wlding field, specifically a kind of unilateral flux coated brazingrod ring.Including solder core and coating, the solder core is using filament solder spring shape structure made of coiling, and the coating is coated on the periphery on filament solder and being located at solder core.The utility model, which can avoid falling off caused by the coating of chip off-falling, pollution and to be corroded, and easy to assembly by welded tube road and heat transfer rate is very fast.
Description
Technical field
The utility model relates to wlding field, specifically a kind of unilateral flux coated brazingrod ring.
Background technique
Currently, the compound solder ring of solder brazing flux applied in pipeline soldering only has medicine core solder ring and flux coated brazingrod ring,
Since the processing performance of medicine core solder is restricted by its ingredient, many ingredient medicine core solders have the defects that deep shaping property is poor,
Item can only be prepared into, it is difficult to which preparation is circlewise（Medicine core solder preparation method：By solder rolling become band, then solder band roll into it is U-shaped
Brazing flux is added in slot, finally heals up to form the medicine core solder of O shape tubular structure by the rolling of multi-pass pass, then through drawing
Tube reducing is prepared into medicine core solder）, what the soldering of the industries pipeline such as air-conditioning, refrigerator most had application prospect is flux coated brazingrod ring.
However, there are two disadvantages for presently disclosed flux coated brazingrod ring：One, since flux coated brazingrod ring Internal and external cycle has coating,
Inner ring brazing flux is easy to fall off chip off-falling when being assembled on pipeline；Two, the inner ring coating thickness of flux coated brazingrod ring cannot be controlled accurately
System, in order to easy to assembly, flux coated brazingrod ring internal diameter is easy commonly greater than when by the outer diameter on welded tube road, leading to solder ring pre-assembled in this way
Appearance phenomena such as sliding or moving, the position of weld-ring not can guarantee, and conducted heat between welded tube road and weld-ring when induction heating compared with
Slowly.
Utility model content
The utility model is intended to provide a kind of pollution and corrosion caused by the coating of chip off-falling that avoid falling off, and fills with by welded tube road
With convenient and heat transfer rate unilateral flux coated brazingrod ring faster.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of unilateral side flux coated brazingrod ring,
Including solder core and coating, the solder core is using filament solder spring shape structure made of coiling, the coating cladding
Periphery on filament solder and positioned at solder core.
Preferably, the axial circle number of the solder core is single-turn or multi-turn.
Preferably, the cross section of the filament solder is round, ellipse or polygon.
Preferably, the string diameter of the filament solder is 0.1-3mm.
Preferably, the spacing on the solder core between any two neighboring ring is 0-1 mm.
Preferably, the coating with a thickness of 0.1-1.2mm.
Preferably, the cross section of the coating is semicircle or half elliptic.
Beneficial effect
It is coated with coating on the outside of the unilateral flux coated brazingrod ring of the utility model, and inside has the following advantages that without coating：
1, coating thickness in outer ring can be adjusted as needed, and inner ring size accurately controls, it can be ensured that solder ring and quilt
Gap between welded tube road；Unilateral flux coated brazingrod ring internal diameter can be fitted close with by welded tube road outer diameter, and solder ring is pre-
Phenomena such as landing or movement are less prone to when assembly, the position of solder ring can guarantee, and by welded tube road and weldering when induction heating
It conducts heat between ring very fast, heating efficiency is high, and bonding speed is fast；
2, when being assembled to by welded tube road, since inner ring is without coating（Or brazing flux）, the coating for avoiding the chip off-falling that falls off causes
The fortuitous events such as pollution, corrosion generation；
3, the utility model has many advantages, such as that structure is simple, at low cost, welding quality is good, it can be achieved that assembly automation, has
Conducive to automated production promotion and application.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the lateral the schematic diagram of the section structure of Fig. 1；
It is marked in figure：1, solder core, 2, coating.
Specific embodiment
As shown in Figures 1 and 2, a kind of unilateral flux coated brazingrod ring of the utility model, including solder core 1 and coating 2.
Solder core 1 is using filament solder spring shape structure made of coiling, and the axial circle number of solder core 1 can be individual pen
Or multi-turn.Spacing on solder core 1 between any two neighboring ring is 0-1 mm.The cross section of filament solder is round, ellipse
Round or polygon.The string diameter of filament solder is 0.1-3mm.
Coating 2 is coated on the periphery on filament solder and being located at solder core 1.Coating 2 with a thickness of 0.1-1.2mm.Coating 2
Cross section be semicircle or half elliptic.
The preparation method of the utility model is described in detail below by way of two embodiments：
Embodiment 1：
a）Silver, copper, zinc, tin are pressed 34：36：27.5：2.5 ratio prepares and carries out melting, is cast into the stick of 50 mm of Φ
Shape brazing filler metal alloy ingot casting cuts riser and then prune ladle barrow and descales, for use；
b）Solder extrusion equipment is warming up to 460 DEG C, the good ingot casting of vehicle is placed in Muffle furnace and is preheated, preheating temperature is
470 DEG C, preheated ingot casting is put into the mould cylinder of extrusion equipment, is squeezed into the filament solder of 1.7 mm of Φ, and is drawn to Φ
The silver-colored filament solder of 0.7 mm；
c）It will be put into the charging tray of ring apparatus processed after the good silver-colored filament solder cleaning of drawing, silver-colored filament solder turned into tool
The circle number for having hollow structure is 4 circles, pitch（Axial distance of the two adjacent rings corresponding points in central diameter）For the solder core of 0.7 mm
1。
d）It will be coated to the outer surface for being located at solder core 1 on filament solder containing silver-colored 2 solution of brazing flux coating, is formed semicircle
Spring cambered surface or half-elliptic spring cambered surface coating 2.
e）It is dry, finished product unilateral side flux coated brazingrod ring can be obtained.
Embodiment 2：
Flux coated brazingrod ring described in the utility model, preparation method are：
a）Silver, copper, zinc, nickel, manganese are pressed 49：16：23：4.5：7.5 ratio prepares and carries out melting, is cast into Φ 50
The rodlike brazing filler metal alloy ingot casting of mm cuts riser and then prune ladle barrow and descales, for use；
b）Solder extrusion equipment is warming up to 460 DEG C, the good ingot casting of vehicle is placed in Muffle furnace and is preheated, preheating temperature is
470 DEG C, preheated ingot casting is put into the mould cylinder of extrusion equipment, is squeezed into the filament solder of 2.5 mm of Φ, and is drawn to Φ
The silver-colored filament solder of 1.0 mm；
c）It will be put into the charging tray of ring apparatus processed after the good silver-colored filament solder cleaning of drawing, silver-colored filament solder turned into tool
The central diameter for having hollow structure is Φ 8.0mm, circle number is 1 circle solder core 1；
d）It will be coated to the outer surface on filament solder and being located at solder core 1 containing silver-colored 2 solution of brazing flux coating, forms coating
Solder ring；
e）It is dry, finished product unilateral side flux coated brazingrod ring can be obtained.
Claims (7)
1. a kind of unilateral side flux coated brazingrod ring, it is characterised in that：Including solder core（1）And coating（2）, the solder core（1）To adopt
With filament solder spring shape structure made of coiling, the coating（2）It is coated on filament solder and is located at solder core（1）'s
Periphery.
2. a kind of unilateral flux coated brazingrod ring according to claim 1, it is characterised in that：The solder core（1）Axial circle
Number is single-turn or multi-turn.
3. a kind of unilateral flux coated brazingrod ring according to claim 1, it is characterised in that：The cross section of the filament solder is
Round, ellipse or polygon.
4. a kind of unilateral flux coated brazingrod ring according to claim 1, it is characterised in that：The string diameter of the filament solder is
0.1-3mm。
5. a kind of unilateral flux coated brazingrod ring according to claim 1, it is characterised in that：The solder core（1）Upper any phase
Spacing between adjacent two rings is 0-1 mm.
6. a kind of unilateral flux coated brazingrod ring according to claim 1, it is characterised in that：The coating（2）With a thickness of
0.1-1.2mm。
7. a kind of unilateral flux coated brazingrod ring according to claim 1, it is characterised in that：The coating（2）Cross section be
Semicircle or half elliptic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820214953.1U CN208099655U (en) | 2018-02-07 | 2018-02-07 | A kind of unilateral side flux coated brazingrod ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820214953.1U CN208099655U (en) | 2018-02-07 | 2018-02-07 | A kind of unilateral side flux coated brazingrod ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208099655U true CN208099655U (en) | 2018-11-16 |
Family
ID=64124216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820214953.1U Active CN208099655U (en) | 2018-02-07 | 2018-02-07 | A kind of unilateral side flux coated brazingrod ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208099655U (en) |
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2018
- 2018-02-07 CN CN201820214953.1U patent/CN208099655U/en active Active
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