CN211866915U - Flat copper-plated flux-cored wire easy to weld - Google Patents
Flat copper-plated flux-cored wire easy to weld Download PDFInfo
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- CN211866915U CN211866915U CN202020290771.XU CN202020290771U CN211866915U CN 211866915 U CN211866915 U CN 211866915U CN 202020290771 U CN202020290771 U CN 202020290771U CN 211866915 U CN211866915 U CN 211866915U
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Abstract
The utility model belongs to the welding material field specifically is a copper facing flux-cored wire of platykurtic easily welded, including steel cortex, flux core and cladding material, the steel cortex is two symmetrical tubular coil of strip of e style of calligraphy of sealing the connection each other, and the first book of e style of calligraphy steel cortex is rolled over 180 back laminating connections, and a body coupling after 90 are rolled over to the first book of e style of calligraphy steel cortex lower half, and the flux core is located steel cortex internal space department, and steel cortex surface is equipped with the cladding material. The utility model discloses the appearance is the platykurtic, places stably, and two tube-shape coils of strip of the e style of calligraphy of symmetry closed connection each other can strengthen electric conductivity, and electric arc burning is stable, easily welds, and the inside flux core of platykurtic die cavity has effectively been cut apart by the billet, and the flux core distributes evenly, has improved the stability of electric arc and the abundant of metallurgical reaction when welding, draws the in-process welding wire and can whole attenuate the reducing, and the copper-plated layer has dampproofing rust-resistant function, send the silk performance good during the welding.
Description
Technical Field
The utility model relates to a welding material field, more specifically is a copper facing flux cored wire of platykurtic easily welded.
Background
With the progress of science and technology and the need of industrial development, a welding procedure is required to be carried out when a large number of products are manufactured, and the quality of welding quality and the selection of welding materials have an inseparable relationship. The welding materials most demanded at present are welding rods, welding wires and brazing filler metals, wherein the quantity of the welding wires is very large. The welding wire is used as a filler metal or a metal wire welding material for conducting electricity at the same time, and is used as the filler metal in gas welding and gas shielded arc welding; in submerged arc welding, electroslag welding and other gas metal arc welding, the wire is both a filler metal and a conductive electrode.
The flux-cored wire is also called as a tubular welding wire, the welding wires with different purposes can be designed by adjusting the types and the proportion of powder alloy of the flux-cored layer, the formula is flexible and changeable, the practicability is strong, and the flux-cored wire is widely applied to the field of welding.
The flux-cored wire used at present has the following problems: firstly, the common flux-cored wire is a circular wire formed by rolling and drawing a steel belt coated with medicinal powder, so that the finally prepared flux-cored wire is also circular, easy to roll and unstable to place, and particularly the welding wire which is unstable in rotation during overhead operation is easy to fall off and has certain danger; secondly, the powder is unevenly distributed in the powder core layer due to gravity, and the phenomenon of penetration or welding impermeability often occurs during welding; the flux-cored wire as the core wire has a non-conducting flux-cored layer, so that the electric arc can easily rotate along the surrounding steel sheet, the stability of the electric arc is poor, and the welding is difficult; poor molten pool fluidity during welding, insufficient metallurgical reaction and influence on the final performance of the welding seam.
Chinese patent application No. 201920657087.8 (application No. 2019, 5, 7) discloses a moisture-proof double-layer flux-cored wire, which has a flat cross-section with good stability and is stable in placement, and includes two layers of flux cores, but the problems of the technical scheme are: firstly, the flux-cored wire is internally provided with a full flux core layer, the conductivity is poor, and an electric arc can easily rotate along the steel sheet around, so that the stability of the electric arc is poor and the welding is difficult; secondly, the whole medicine core structure in the middle part causes uneven distribution of medicine powder, and the phenomenon of penetration or incomplete penetration is easy to occur during welding; and thirdly, the two layers of steel sheets are not connected, so that the two layers of steel sheets are difficult to ensure to be thinned and reduced at the same time during drawing and reducing (the steel sheets are thinned and welding wires become thin in the drawing process).
The application number 201721651181.X Chinese patent (2017, 12 and 1) discloses a multi-protection stable flux-cored wire, wherein the cross section of the flux-cored wire is dumbbell-shaped and is stable in placement; the copper plating layer, the anodic oxidation layer and the olive oil layer are used as protective layers, so that the toughness is increased, and the metallurgical reaction is sufficient. However, the technical scheme has the following disadvantages: firstly, the powder is unevenly distributed in a powder core layer due to gravity, and the phenomenon of fusion penetration or welding impermeability often occurs during welding; secondly, the two round flux cores are not conductive, and the stability of electric arc is poor during welding; thirdly, the welding wire is a seamless flux-cored welding wire, although the problem of leakage of the powder is solved, heat treatment is needed during drawing, the production cost is high, the manufacturing is difficult, and in addition, the powder filling rate of the seamless flux-cored welding wire is low and generally does not exceed 20%.
How to solve the above problems is a critical need for the technicians in this field to work.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an easy welded copper facing flux cored wire of platykurtic solves following technical problem: firstly, the welding rod is unstable to place and is easy to fall off; secondly, the cross section of the welding wire is asymmetric, the electric arc can rotate along the steel sheet around, and the electric arc is unstable in combustion; thirdly, the flux core is not uniformly distributed and is easy to fall off, and the flux core is melted through or not welded through during welding; the steel sheets are not integrated, and the two layers of steel sheets cannot be simultaneously thinned and reduced during drawing and reducing; the surface of the flux-cored wire is easy to be affected with damp and rusted, and the wire feeding performance is poor.
The utility model adopts the following technical scheme:
the utility model provides an easy welded copper facing flux cored wire of platykurtic, includes steel skin layer, flux core and cladding material, the steel skin layer is two the symmetry each other and seals the tube-shape coil of strip of e style of calligraphy of connecting, and the first book of e style of calligraphy steel skin layer is rolled over 180 back laminating connections, and a body coupling after 90 is rolled over to the lower half book of e style of calligraphy steel skin layer, the flux core is located steel skin layer internal space department, steel skin layer surface is equipped with the cladding material.
The flat thickness of the flux-cored wire is 2.5mm-4mm, and the width of the flux-cored wire is 10mm-12 mm.
The plating layer is a copper plating layer, and the thickness of the copper plating layer is 0.1mm-0.25 mm.
The utility model discloses following beneficial technological effect has:
1. the flux-cored wire is flat, stable in placement and not easy to fall.
2. The steel sheet layer structure of the cross section of the flux-cored wire is symmetrical, two e-shaped cylindrical steel coils which are symmetrically and closely connected with each other have better conductivity, the electric arc cannot rotate along the steel sheets around, the electric arc is stable in combustion, and welding is easy.
3. The steel sheet is wound with two e-shaped cylindrical steel coils which are symmetrically and hermetically connected, so that the flux core in the flat cavity can be effectively divided, the flux core can be effectively fixed and uniformly distributed, and the stability of electric arc and the sufficiency of metallurgical reaction during welding are improved.
4. The steel sheet for preparing the steel sheet layer is integrated, and the integral thinning and reducing of the traditional Chinese medicine core welding wire in the drawing process can be realized.
5. The outer surface of the welding wire is provided with the copper plating layer, so that the welding wire has a moisture-proof and rust-proof function, and the wire feeding performance of the welding wire during automatic welding is excellent.
Drawings
FIG. 1 is a cross-sectional view of the flat easy-to-weld copper-plated flux-cored wire of the present invention, perpendicular to the length direction.
In the figure: 1. a steel skin layer; 2. a drug core; 3. and (7) plating.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1, a flat easily-welded copper-plated flux-cored wire comprises a steel skin layer 1, a flux coating 2 and a plating layer 3, wherein the steel skin layer 1 is two e-shaped cylindrical steel coils which are symmetrically and hermetically connected with each other, the upper half part of the e-shaped steel skin layer is folded for 180 degrees and then is attached and connected, the lower half part of the e-shaped steel skin layer is folded for 90 degrees and then is integrally connected, the flux core 2 is positioned in a gap inside the steel skin layer 1, the plating layer 3 is arranged on the outer surface of the steel skin layer 1, the flat thickness of the flux-cored wire is 2.5mm-4mm, and the width of the flux-; this kind of flat structure is placed stably, is difficult for dropping, and 1 structural symmetry on the sheet steel layer of cross-section, the existence of the tube-shape coil of strip of two e types of symmetry each other sealed connection can make the electric conductivity of welding wire better, and electric arc can not be rotatory along sheet steel all around, and the electric arc burning is stable, easily welding.
The flux core 2 is positioned in the gap inside the flat cavity formed by winding the steel skin layer 1, the flux core 2 inside the flat cavity can be effectively divided, the flux core 2 can be effectively fixed and uniformly distributed, and the stability of electric arc and the sufficiency of metallurgical reaction during welding are improved.
The outer surface of the steel skin layer 1 is provided with a plating layer 3, the plating layer 3 is a copper plating layer, and the thickness of the copper plating layer is 0.1mm-0.25 mm; the copper plating layer has the moisture-proof and rust-proof functions, so that the wire feeding performance of the welding wire during automatic welding is excellent, and after the copper plating layer is melted during welding, the copper element enhances the fluidity of a molten pool, so that the metallurgical reaction of the metal of a welding seam is sufficient.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (3)
1. The utility model provides a copper facing flux-cored wire of platykurtic easy welding, includes steel cortex (1), flux core (2) and cladding material (3), its characterized in that: steel cortex (1) is two the tube-shape coils of strip of the e style of calligraphy of symmetrical closed connection each other, and the laminating is connected after 180 is rolled up to first book on e style of calligraphy steel sheet layer, and a body coupling after 90 is rolled up to e style of calligraphy steel sheet layer lower half, medicine core (2) are located steel cortex (1) inside space department, steel cortex (1) surface is equipped with cladding material (3).
2. The flat, easily weldable copper-plated flux-cored wire of claim 1, wherein: the plating layer (3) is a copper plating layer, and the thickness of the copper plating layer is 0.1mm-0.25 mm.
3. The flat, easily weldable copper-plated flux-cored wire of claim 1, wherein: the flat thickness of the flux-cored wire is 2.5mm-4mm, and the width of the flux-cored wire is 10mm-12 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020290771.XU CN211866915U (en) | 2020-03-11 | 2020-03-11 | Flat copper-plated flux-cored wire easy to weld |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020290771.XU CN211866915U (en) | 2020-03-11 | 2020-03-11 | Flat copper-plated flux-cored wire easy to weld |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211866915U true CN211866915U (en) | 2020-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020290771.XU Expired - Fee Related CN211866915U (en) | 2020-03-11 | 2020-03-11 | Flat copper-plated flux-cored wire easy to weld |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211866915U (en) |
-
2020
- 2020-03-11 CN CN202020290771.XU patent/CN211866915U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |