CN211840673U - Quincunx flux-cored wire with conductive center - Google Patents
Quincunx flux-cored wire with conductive center Download PDFInfo
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- CN211840673U CN211840673U CN202020267354.3U CN202020267354U CN211840673U CN 211840673 U CN211840673 U CN 211840673U CN 202020267354 U CN202020267354 U CN 202020267354U CN 211840673 U CN211840673 U CN 211840673U
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Abstract
The utility model belongs to the technical field of welding material, specifically a central electrically conductive quincunx flux cored wire, including skin of steel, flux core and cladding material, the skin of steel is formed by the bending of one deck skin of steel, and the skin of steel outside is circular and inside is solid quincunx, and the flux core is filled in the skin of steel internal clearance, and the surface of skin of steel is equipped with the copper plate that thickness is 0.05mm-0.15 mm. The utility model discloses avoided the flux core to take place great displacement in storage or transportation and cause the inhomogeneous phenomenon of distribution, the steel sheet at welding wire center contacts each other, and electric conductivity is good, and electric arc burning is stable during the welding, and the copper plate layer of surface can effectively improve the intensity and the toughness of welding wire and have dampproofing rust-resistant function, and after the copper plate layer melts, copper element has strengthened the mobility of molten bath, makes the metallurgical reaction of welding seam metal abundant, and the welded joint that availability performance is excellent.
Description
Technical Field
The utility model relates to a welding material field, more specifically is a plum blossom shape flux cored wire that center is electrically conductive.
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 prior flux-cored wire has the following problems: firstly, the flux-cored wire is not conductive because the inner flux-cored layer is not conductive, and the electric arc is easy to rotate along the steel sheet around, so that the stability of the electric arc is poor and the welding is difficult; secondly, the powder in the powder core layer is not uniformly distributed due to gravity, and the phenomenon of fusion penetration or welding impermeability often occurs during welding.
In order to solve the above problems, the skilled person has invented a "quincunx" flux-cored wire, that is, the cross section of the wire is quincunx (see fig. 1), the flux-cored wire with such a cross section is often found in welding tool books and teaching materials in colleges and universities, the shape of the steel sheet is symmetrical, the flux core can be divided into several parts, and the steel sheet is bent and inserted into the flux-cored layer, which has a certain effect of improving the fixation of the powder and the electrical conductivity during welding, but the so-called "quincunx" is a hollow "quincunx", and has the following problems: firstly, although a large tablet of medicine core is divided into a plurality of parts, the central parts of the medicine core are still connected, the medicine core is still a whole, and the medicine powder in the medicine core layer can be displaced differently according to different densities in the process of storage or transportation due to the gravity, so that the medicine powder becomes unevenly distributed, and the phenomenon of fusion penetration or welding impermeability often occurs during welding; secondly, the central part of the welding wire still consists of a flux core which contains partial oxides, the conductivity is poor, and an electric arc is easy to rotate along the steel sheet around during welding, so that the stability of the electric arc is poor and the welding is difficult; the welding wire has low strength and toughness and is easy to break in the processes of storage and use, so that the quality of a welding seam is reduced during welding; fourthly, in the storage process, the surface of the steel belt is easy to be wet and rusted, and the wire feeding performance is poor when the steel belt is used for welding; poor molten pool fluidity during flux-cored wire welding, insufficient metallurgical reaction and influence on the final performance of the welding line.
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 a conductive plum blossom shape flux cored wire in center solves following technical problem: the method can effectively improve the conductivity of the central part of the welding core and stabilize the electric arc during welding; how to divide the medicine core into a plurality of blocks so as to effectively reduce the area of each block, and further avoid uneven distribution caused by large displacement due to different densities in the process of storage or transportation; and thirdly, how to improve the strength and toughness of the welding wire, so that the welding wire is not easy to break off in the storage and use processes, can be dampproof and rustproof, and has good wire feeding performance during welding.
The utility model adopts the following technical scheme:
the utility model provides a conductive quincunx flux-cored wire in center, includes steel skin layer, flux core and cladding material, the steel skin layer is formed by the bending of one deck steel sheet, the steel skin layer includes the ring of steel sheet coiling and inside cut apart the lamella, and the starting point of steel sheet winds out after the ring is inboard to form the cut apart lamella of 120 equi-class circles through the coiling, according to clockwise wound ring, again along the initial segment reverse extension of steel sheet after the inside of ring extends through vertical direction from the joint department of ring, laminates side by side with the starting point of steel sheet, makes the inside lamella of cutting apart of ring constitute by double-deck steel sheet, forms solid core quincunx, the flux core is filled in steel skin layer internal clearance, the surface of steel skin layer is equipped with the cladding material.
The utility model discloses following beneficial technological effect has:
1. the welding wire center is composed of double-layer steel sheets and mutually contacted dividing petals, the conductivity is good, electric arcs cannot rotate along the circumferential steel sheets during welding, the electric arc combustion is stable, and the welding is easy.
2. Insert the inside skin of circular skin of steeling and cut apart into a plurality of fritters with the flux core to effectively reduced the area of every piece, and then made the flux core in storage or transportation, the granule of having avoided different density takes place the not even distribution that different displacements caused, can not appear melting and wear or not weld the penetration phenomenon during the welding.
3. The copper plating layer is arranged on the outer surface of the welding wire, so that the strength and toughness of the welding wire are effectively improved, the moistureproof and antirust functions are realized, 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 metal of a welding seam is sufficient.
Drawings
FIG. 1 is a cross-sectional view of a typical hollow quincunx flux-cored wire;
fig. 2 is a cross-sectional view of the quincunx flux-cored wire with the center electrically conductive according to the present invention.
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, the cross-section of the conventional quincunx flux-cored wire is a hollow quincunx.
As shown in fig. 2, a quincunx flux-cored wire with a conductive center comprises a steel sheet layer 1, a flux core 2 and a coating layer 3, wherein the steel sheet layer 1 is formed by bending a layer of steel sheet, the steel sheet layer 1 comprises a circular ring wound by the steel sheet and internal dividing petals, the starting point of the steel sheet is wound out after being wound from the inner side of the circular ring to form the 120-degree equi-circular dividing petals and is wound into the circular ring clockwise, the circular ring extends from the joint of the circular ring to the inside of the circular ring in the vertical direction and then reversely extends along the starting section of the steel sheet and is attached to the starting point of the steel sheet in parallel, so that the dividing petals in the circular ring are formed by double layers of steel sheets to form a solid quincunx shape.
The flux core 2 is filled in the internal clearance of circular steel sheet layer 1, and the steel sheet inserted into the circular steel sheet is divided into 3 nubs with the flux core 2, thereby effectively reducing the area of each nub, further preventing the flux core 2 from causing uneven distribution due to different displacements caused by different particle density in the storage or transportation process, and preventing the flux core from being melted through or not being welded through during welding.
The outer surface of steel skin layer 1 is equipped with cladding material 3, and cladding material 3 is the copper plating layer, and the thickness of cladding material 3 is 0.05mm-0.15mm, and the copper plating layer effectively improves the intensity and the toughness of welding wire, has dampproofing rust-resistant function, makes the welding wire send the silk performance excellent when automatic weld, and copper element has strengthened the mobility of molten bath during the welding, makes the metallurgical reaction of welding seam metal abundant.
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 (2)
1. A quincunx flux-cored wire with a conductive center is characterized in that: including steel cortex (1), drug core (2) and cladding material (3), steel cortex (1) is formed by the bending of one deck steel sheet, steel cortex (1) includes the ring of steel sheet coiling and inside cut apart the lamella, and the starting point of steel sheet winds out after the ring is inboard to form the cut apart lamella of 120 equi-class circle through the coiling, according to clockwise winding ring, again along the reverse extension of the initial section of steel sheet after the inside of ring extends through vertical direction from the joint department of ring, laminates side by side with the starting point of steel sheet, makes the inside lamella of cutting apart of ring constitute by double-deck steel sheet, drug core (2) are filled in steel cortex (1) internal clearance, the surface of steel cortex (1) is equipped with cladding material (3).
2. The center-conductive, quincunx flux-cored wire of claim 1, wherein: the plating layer (3) is a copper plating layer, and the thickness of the plating layer (3) is 0.05mm-0.15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020267354.3U CN211840673U (en) | 2020-03-06 | 2020-03-06 | Quincunx flux-cored wire with conductive center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020267354.3U CN211840673U (en) | 2020-03-06 | 2020-03-06 | Quincunx flux-cored wire with conductive center |
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| Publication Number | Publication Date |
|---|---|
| CN211840673U true CN211840673U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020267354.3U Expired - Fee Related CN211840673U (en) | 2020-03-06 | 2020-03-06 | Quincunx flux-cored wire with conductive center |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673309A (en) * | 2020-06-19 | 2020-09-18 | 魏宏兵 | Impedance welding wire |
| CN114131236A (en) * | 2021-12-10 | 2022-03-04 | 浙江亚通焊材有限公司 | Uniform-filling flux-cored wire and preparation method thereof |
-
2020
- 2020-03-06 CN CN202020267354.3U patent/CN211840673U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111673309A (en) * | 2020-06-19 | 2020-09-18 | 魏宏兵 | Impedance welding wire |
| CN114131236A (en) * | 2021-12-10 | 2022-03-04 | 浙江亚通焊材有限公司 | Uniform-filling flux-cored wire and preparation method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 Termination date: 20210306 |