阅读说明：本技术 一种不锈钢多股绞合焊丝 (Stainless steel multi-strand stranded welding wire ) 是由 梁裕 吴阳龙 刘平礼 冯昱 于 2019-09-19 设计创作，主要内容包括：本发明提供一种不锈钢多股绞合焊丝,涉及焊接材料技术领域。该不锈钢多股绞合焊丝,包括不锈钢实芯焊丝,所述不锈钢实芯焊丝的外侧设置有外套,所述不锈钢实芯焊丝与外套的中间多股不锈钢药芯焊丝,所述不锈钢药芯焊丝的外侧设置有多股保护丝,所述外套由耐磨层、防水层、抗拉伸层与抗氧化层组成。通过在不锈钢实芯焊丝的外侧设置多股不锈钢药芯焊丝与外套,有效的保护了不锈钢实芯焊丝,减少了外界因素对不锈钢实芯焊丝的影响,同时通过设置的保护丝有效的保护了不锈钢药芯焊丝,从而进一步对不锈钢实芯焊丝形成保护,使得不锈钢多股绞合焊丝无论是在存放过程中还是使用过程中都能够达到理想的效果。(The invention provides a stainless steel multi-strand stranded welding wire, and relates to the technical field of welding materials. This stainless steel stranded welding wire, including the stainless steel solid core welding wire, the outside of stainless steel solid core welding wire is provided with the overcoat, the middle stranded stainless steel flux cored welding wire of stainless steel solid core welding wire and overcoat, the outside of stainless steel flux cored welding wire is provided with the stranded protection silk, the overcoat comprises wearing layer, waterproof layer, stretch-proofing layer and oxidation resisting layer. The multi-strand stainless steel flux-cored wire and the outer sleeve are arranged on the outer side of the stainless steel solid-cored wire, the stainless steel solid-cored wire is effectively protected, the influence of external factors on the stainless steel solid-cored wire is reduced, meanwhile, the stainless steel flux-cored wire is effectively protected through the arranged protective wire, and therefore the stainless steel solid-cored wire is further protected, and the stainless steel multi-strand stranded welding wire can achieve ideal effects in the storage process and the use process.)

1. The utility model provides a stainless steel stranded welding wire, includes stainless steel solid core welding wire (1), its characterized in that: the outer side of the stainless steel solid core welding wire (1) is provided with an outer sleeve (4), the middle multi-strand stainless steel flux-cored welding wires (2) of the stainless steel solid core welding wire (1) and the outer sleeve (4) are provided with a plurality of strands of protection wires (3).

2. A stainless steel stranded wire according to claim 1 wherein: the jacket (4) is composed of a wear-resistant layer, a waterproof layer, a stretch-resistant layer and an oxidation-resistant layer, and the wear-resistant layer, the waterproof layer, the stretch-resistant layer and the oxidation-resistant layer are sequentially arranged from outside to inside.

3. A stainless steel stranded wire according to claim 1 wherein: the multi-strand stainless steel flux-cored welding wires (2) are arranged on the outer side of the stainless steel solid-cored welding wires (1) in an annular array.

4. A stainless steel stranded wire according to any one of claims 1 to 3 wherein: the manufacturing method of the welding wire comprises the following steps:

1) filling the inner cavity of the protective wire (3) with a welding flux, winding 5-10 strands of protective wires (3) on the outer surface of the stainless steel flux-cored wire (2), and straightening the stainless steel flux-cored wire (2) by using a straightening machine;

2) winding 4-8 strands of the stainless steel flux-cored welding wires (2) in the step 1 on the outer surface of the stainless steel solid-cored welding wires (1), and straightening the stainless steel solid-cored welding wires (1) by using a straightening machine after winding is finished;

3) and (3) sleeving a layer of outer sleeve (4) on the periphery of the stainless steel solid welding wire (1) in the step (2), and winding the welding wire after the outer sleeve (4) is arranged.

5. The stainless steel stranded wire of claim 4, wherein: the flux consists of the following components: 20-30 parts of fluorite, 15-20 parts of titanium dioxide, 8-10 parts of activated carbon, 1-1.2 parts of sodium metavanadate, 0.9-1.3 parts of tungsten trioxide, 0.6-0.8 part of chromium trioxide, 0.2-0.4 part of nickel fluoride, 0.1-0.2 part of niobium pentoxide, 0.2-0.3 part of cobalt hydroxide, 0.4-0.5 part of molybdenum trioxide and 0.3-0.5 part of rare earth.

6. A stainless steel stranded wire according to claim 5 wherein: the flux consists of the following components: 20 parts of fluorite, 15 parts of titanium dioxide, 8 parts of activated carbon, 1 part of sodium metavanadate, 0.9 part of tungsten trioxide, 0.6 part of chromium sesquioxide, 0.2 part of nickel fluoride, 0.1 part of niobium pentoxide, 0.2 part of cobalt hydroxide, 0.4 part of molybdenum trioxide and 0.3 part of rare earth.

7. A stainless steel stranded wire according to claim 5 wherein: the flux consists of the following components: 25 parts of fluorite, 17 parts of titanium dioxide, 9 parts of activated carbon, 1.1 parts of sodium metavanadate, 1.2 parts of tungsten trioxide, 0.7 part of chromium sesquioxide, 0.3 part of nickel fluoride, 0.15 part of niobium pentoxide, 0.25 part of cobalt hydroxide, 0.45 part of molybdenum trioxide and 0.4 part of rare earth.

8. A stainless steel stranded wire according to claim 5 wherein: the flux consists of the following components: 30 parts of fluorite, 20 parts of titanium dioxide, 10 parts of activated carbon, 1.2 parts of sodium metavanadate, 1.3 parts of tungsten trioxide, 0.8 part of chromium sesquioxide, 0.4 part of nickel fluoride, 0.2 part of niobium pentoxide, 0.3 part of cobalt hydroxide, 0.5 part of molybdenum trioxide and 0.5 part of rare earth.

Technical Field

The invention relates to the technical field of welding materials, in particular to a stainless steel multi-strand stranded welding wire.

Background

The stainless steel welding wire can be divided into a stainless steel solid core welding wire and a stainless steel flux-cored welding wire, the stainless steel solid core welding wire can be used for inert gas shielded welding and submerged arc welding, the stainless steel MIG welding can achieve high-efficiency welding and can easily achieve welding automation, the stainless steel solid core welding wire is widely used in the fields of surfacing welding, sheet welding and the like, the chemical composition of the welding wire for MIG welding is the same as that of TIG welding wire, the surface tension of molten drop metal is reduced due to the fact that Si is contained by about 0.8%, molten drop particles are thinned, excessive spraying is easily achieved, electric arc is more stable, meanwhile, the wettability of molten drop metal is improved, welding bead ripples are attractive, incomplete penetration, slag inclusion, air holes and the like are not easily generated, the chemical composition of the stainless steel solid core welding wire for submerged arc welding is the same as that of gas shielded welding stainless steel welding wire, but a medium-silicon-fluorine-free or manganese-free low-silicon-fluorine-type high-fluorine-type welding flux-cored welding flux is used, the stainless, the stainless steel is simply and efficiently welded, the application of the stainless steel flux-cored wire is mainly MAG welding, compared with manual welding, the deposition speed can be improved by 2-4 times, the deposition efficiency is up to 90%, the application range of current and voltage is large, the welding condition is easy to set, semi-automatic and automatic welding is easy to carry out, the slag detachability is good, and the surface of a welding bead is glossy.

In order to improve the welding quality of the welding wire, a plurality of existing stainless steel welding wires are generally composed of a stainless steel solid core welding wire and a stainless steel flux-cored welding wire, namely, a plurality of strands of stainless steel flux-cored welding wires are wound outside the stainless steel solid core welding wire, but most of stainless steel stranded welding wires still lack certain self-protection capability, so that the stainless steel stranded welding wires cannot achieve ideal effects in the storage process or the use process.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a stainless steel multi-strand stranded welding wire, which solves the problem that most stainless steel multi-strand stranded welding wires still lack certain self-protection capability, so that the stainless steel multi-strand stranded welding wires cannot achieve ideal effects in the storage process or the use process.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a stainless steel stranded welding wire, includes the stainless steel solid core welding wire, the outside of stainless steel solid core welding wire is provided with the overcoat, the middle stranded stainless steel flux cored wire of stainless steel solid core welding wire and overcoat, the outside of stainless steel flux cored welding wire is provided with stranded protection silk.

Preferably, the jacket consists of a wear-resistant layer, a waterproof layer, a stretch-resistant layer and an oxidation-resistant layer, and the wear-resistant layer, the waterproof layer, the stretch-resistant layer and the oxidation-resistant layer are sequentially arranged from outside to inside.

Preferably, the plurality of strands of stainless steel flux-cored wires are arranged on the outer side of the stainless steel solid-cored wire in an annular array.

Preferably, the manufacturing of the welding wire comprises the following steps:

1) filling the inner cavity of the protective wire with a welding flux, winding 5-10 strands of protective wires on the outer surface of the stainless steel flux-cored wire, and straightening the stainless steel flux-cored wire by using a straightening machine;

2) winding 4-8 strands of the stainless steel flux-cored wires obtained in the step 1 on the outer surface of the stainless steel solid-cored wires, and straightening the stainless steel solid-cored wires by using a straightening machine after the winding is finished;

3) and (3) sleeving a layer of outer sleeve on the periphery of the stainless steel solid welding wire in the step (2), and winding the welding wire after the outer sleeve is completely arranged.

Preferably, the flux consists of the following components: 20-30 parts of fluorite, 15-20 parts of titanium dioxide, 8-10 parts of activated carbon, 1-1.2 parts of sodium metavanadate, 0.9-1.3 parts of tungsten trioxide, 0.6-0.8 part of chromium trioxide, 0.2-0.4 part of nickel fluoride, 0.1-0.2 part of niobium pentoxide, 0.2-0.3 part of cobalt hydroxide, 0.4-0.5 part of molybdenum trioxide and 0.3-0.5 part of rare earth.

Preferably, the flux consists of the following components: 20 parts of fluorite, 15 parts of titanium dioxide, 8 parts of activated carbon, 1 part of sodium metavanadate, 0.9 part of tungsten trioxide, 0.6 part of chromium sesquioxide, 0.2 part of nickel fluoride, 0.1 part of niobium pentoxide, 0.2 part of cobalt hydroxide, 0.4 part of molybdenum trioxide and 0.3 part of rare earth.

Preferably, the flux consists of the following components: 25 parts of fluorite, 17 parts of titanium dioxide, 9 parts of activated carbon, 1.1 parts of sodium metavanadate, 1.2 parts of tungsten trioxide, 0.7 part of chromium sesquioxide, 0.3 part of nickel fluoride, 0.15 part of niobium pentoxide, 0.25 part of cobalt hydroxide, 0.45 part of molybdenum trioxide and 0.4 part of rare earth.

Preferably, the flux consists of the following components: 30 parts of fluorite, 20 parts of titanium dioxide, 10 parts of activated carbon, 1.2 parts of sodium metavanadate, 1.3 parts of tungsten trioxide, 0.8 part of chromium sesquioxide, 0.4 part of nickel fluoride, 0.2 part of niobium pentoxide, 0.3 part of cobalt hydroxide, 0.5 part of molybdenum trioxide and 0.5 part of rare earth.

(III) advantageous effects

The invention provides a stainless steel multi-strand stranded welding wire. The method has the following beneficial effects:

1. this stainless steel stranded welding wire sets up stranded stainless steel flux-cored wire and overcoat through the outside at the solid core welding wire of stainless steel, the effectual solid core welding wire of stainless steel that has protected has reduced the influence of external factor to the solid core welding wire of stainless steel, simultaneously through the effectual stainless steel flux-cored wire that has protected of protection silk that sets up to further form the protection to the solid core welding wire of stainless steel, make the stranded welding wire of stainless steel whether deposit the in-process or can both reach the effect of ideal in the use.

2. According to the stainless steel multi-strand stranded welding wire, the outer sleeve consists of the wear-resistant layer, the waterproof layer, the stretch-resistant layer and the oxidation-resistant layer, so that the welding wire in the outer sleeve has good wear resistance, waterproofness, stretch resistance and oxidation resistance.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

Wherein, 1, stainless steel solid welding wire; 2. stainless steel flux-cored wire; 3. protecting the wire; 4. and (4) coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.