CN207326224U

CN207326224U - A kind of lead-free and halogen-free element welding wire

Info

Publication number: CN207326224U
Application number: CN201721103036.8U
Authority: CN
Inventors: 严三元
Original assignee: CHANGZHOU FRIEND LEAD-FREE SOLDER METAL Co Ltd
Current assignee: CHANGZHOU FRIEND LEAD-FREE SOLDER METAL Co Ltd
Priority date: 2017-08-30
Filing date: 2017-08-30
Publication date: 2018-05-08
Anticipated expiration: 2027-08-30

Abstract

It the utility model is related to a kind of lead-free and halogen-free element welding wire; including outer layer, intermediate layer and internal layer; the intermediate layer, which is wrapped up in, to be located on internal layer outer end face; the outer layer, which is wrapped up in, to be located on the outer end face of intermediate layer; the outer layer includes protective layer and waterproof layer; the protective layer, which is wrapped up in, to be located on waterproof layer outer end face; the intermediate layer includes anti-corrosion layer and refractory layer; the anti-corrosion layer, which is wrapped up in, to be located on refractory layer outer end face; the internal layer includes anti-deformation layer and crack resistance layer, and the anti-deformation layer, which is wrapped up in, to be located on crack resistance layer outer end face.The utility model is lead-free and halogen-free element welding wire, and the good characteristic of the performance such as waterproof, anticorrosion, heat-resisting, anti-deformation and crack resistance.

Description

A kind of lead-free and halogen-free element welding wire

Technical field

Welding wire product accessories field is the utility model is related to, is specially a kind of lead-free and halogen-free element welding wire.

Background technology

Welding wire is as filling metal or at the same time as conductive welded wire material.Protected in gas welding and tungsten gas When protecting arc welding, welding wire is used as filling metal；In submerged-arc welding, electroslag welding and other melting pole gas shielded arc weldings, welding wire It is both filling metal.

Welding wire is also conductive electrode at the same time.The surface of welding wire does not apply the solder flux of anti-oxidation effect.Most of welding wires belong to this Class, including carbon steel welding wire, low-alloy structural steel welding wire, structural alloy steel welding wire, stainless steel welding stick and non-ferrous metal welding wire etc..Weldering The wire bond added time, heat affected area was very small, will not produce internal stress.Cast member defect is very suitable for, piece surface is pulled, worn, mould Has the reparation of defect.Why so low welding wire temperature is, because being micro- molten state during the wire melting, when being contacted with workpiece, Form small part short circuit travelling workpiece soon by external force to get on, must lack due to melting, workpiece is much larger by comparison.

Existing welding wire tends not to be provided simultaneously with the characteristics such as heat-resisting, waterproof, corrosion-resistant, anti-deformation and crack resistance, weldering The function of silk is single, poor universality, and the material that would generally be harmful in welding wire containing lead and halogen etc. to staff's body, Now it is badly in need of a kind of lead-free and halogen-free element welding wire to solve the above-mentioned problems.

Utility model content

The purpose of this utility model is to provide a kind of lead-free and halogen-free element welding wire, it can effectively solve the problem that in background technology and deposits The problem of.

To achieve the above object, the utility model provides following technical solution：A kind of lead-free and halogen-free element welding wire, including it is outer Layer, intermediate layer and internal layer, it is characterised in that：The intermediate layer, which is wrapped up in, to be located on internal layer outer end face, and the outer layer, which is wrapped up in, is located at centre On layer outer end face, the outer layer includes protective layer and waterproof layer, and the protective layer, which is wrapped up in, to be located on waterproof layer outer end face, in described Interbed includes anti-corrosion layer and refractory layer, and the anti-corrosion layer, which is wrapped up in, to be located on refractory layer outer end face, and the internal layer includes preapring for an unfavorable turn of events Shape layer and crack resistance layer, the anti-deformation layer, which is wrapped up in, to be located on crack resistance layer outer end face.

Further, the outer layer thickness is 0.1mm-0.3mm.

Further, the intermediate layer thickness is 0.4mm-0.5mm.

Further, the internal layer thickness is 0.2mm-0.5mm.

Further, the material of the protective layer is baking vanish.

Further, the material of the waterproof layer is polyurethane water-proof paint.

Further, the material of the anti-corrosion layer is polytetrafluoroethylene (PTFE).

Further, the material of the refractory layer is carborundum.

Further, the material of the anti-deformation layer is polyester fiber.

Further, the material of the crack resistance layer is concrete.

Compared with prior art, the beneficial effects of the utility model are：Because the utility model with the addition of protective layer, the design Reach and welding wire inside has been effectively protected, improved the service life of welding wire, should because the utility model with the addition of waterproof layer Design can carry out waterproof to welding wire inside, improve the service life of welding wire, should because the utility model with the addition of anti-corrosion layer Design can improve the corrosion resistance of welding wire, and it is poor to solve traditional welding wire corrosion resistance, in the normal time in use, internal hold Easily corrode, influence its working performance, because the utility model with the addition of refractory layer, which improves the heat resistance of welding wire Can, because the utility model with the addition of anti-deformation layer, which can improve the heat resistance of welding wire, between enabling welding wire long-time not Disconnected use, because the utility model with the addition of anti-deformation layer, which improves the automatic recovery capability of welding wire shape, because of this reality Crack resistance layer is with the addition of with new, which can improve the anti-crack ability of welding wire, avoid welding wire for a long time in use, occurring Local fracture, because the utility model is lead-free and halogen-free element, which can effectively protect the body of user of service, solve Lead and halogen are usually contained in traditional welding wire, has certain the drawbacks of endangering to user of service's body, the utility model is Lead-free and halogen-free element welding wire, and waterproof, anticorrosion, heat-resisting, anti-deformation and the good characteristic of cracking resistance.

Brief description of the drawings

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the structure diagram of outer layer in the utility model；

Fig. 3 is the structure diagram in intermediate layer in the utility model；

Fig. 4 is the structure diagram of internal layer in the utility model；

In reference numeral：1. outer layer；2. intermediate layer；3. internal layer；11. protective layer；12. waterproof layer；21. anti-corrosion layer；22. Refractory layer；31. anti-deformation layer；32. crack resistance layer.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work The all other embodiment obtained, shall fall within the protection scope of the present invention.

- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of lead-free and halogen-free element welding wire, including outer layer 1, Intermediate layer 2 and internal layer 3, intermediate layer 2, which is wrapped up in, to be located on 3 outer end face of internal layer, and outer layer 1, which is wrapped up in, to be located on 2 outer end face of intermediate layer.

Outer layer 1 includes protective layer 11 and waterproof layer 12, and protective layer 11, which is wrapped up in, to be located on 12 outer end face of waterproof layer.

Intermediate layer 2 includes anti-corrosion layer 21 and refractory layer 22, and anti-corrosion layer 21, which is wrapped up in, to be located on 22 outer end face of refractory layer.

Internal layer 3 includes anti-deformation layer 31 and crack resistance layer 32, and anti-deformation layer 31, which is wrapped up in, to be located on 32 outer end face of crack resistance layer.

1 thickness of outer layer is 0.1mm-0.3mm, and intermediate layer thickness 0.4mm-0.5mm, 3 thickness of internal layer is 0.2mm- 0.5mm, the material of protective layer 11 is baking vanish, and the material of waterproof layer 12 is polyurethane water-proof paint, and the material of anti-corrosion layer 21 is Polytetrafluoroethylene (PTFE), the material of refractory layer 22 are carborundum, and the material of anti-deformation layer 31 is polyester fiber, the material of crack resistance layer 32 For concrete.

When the utility model at work：When welding wire touches moisture, water can be blocked in welding wire outer surface by waterproof layer 12, So as to be protected to welding wire inside, protective layer 11 can protect welding wire inside, because the utility model with the addition of protection Layer 11, which, which has reached, is effectively protected welding wire inside, improves the service life of welding wire, because the utility model adds Waterproof layer 12, which can carry out waterproof to welding wire inside, improve the service life of welding wire, because the utility model adds Anti-corrosion layer 21, the design can improve the corrosion resistance of welding wire, and it is poor to solve traditional welding wire corrosion resistance, when normal Between in use, internal easily corrode, because the utility model with the addition of refractory layer 22, which improves the heat resistance of welding wire Can, because the utility model with the addition of anti-deformation layer 31, which can improve the heat resistance of welding wire, enable welding wire continual Use, because the utility model with the addition of anti-deformation layer 31, which improves the automatic restorability of welding wire shape, because of this practicality New to the addition of crack resistance layer 32, which can improve the anti-crack ability of welding wire, avoid welding wire for a long time in use, occurring Local fracture, the utility model is lead-free and halogen-free element welding wire, and waterproof, anticorrosion, heat-resisting, anti-deformation and cracking resistance are good Characteristic.

The advantages of basic principle and main feature and the utility model of the utility model has been shown and described above, for For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than described above limit, it is intended that will fall in the implication and scope of the equivalency of claim All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation It is required that.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of lead-free and halogen-free element welding wire, including outer layer（1）, intermediate layer（2）And internal layer（3）, it is characterised in that：The centre Layer（2）Wrap up in and be located at internal layer（3）On outer end face, the outer layer（1）Wrap up in and be located at intermediate layer（2）On outer end face；

The outer layer（1）Including protective layer（11）And waterproof layer（12）, the protective layer（11）Wrap up in and be located at waterproof layer（12）Outside On end face；

The intermediate layer（2）Including anti-corrosion layer（21）And refractory layer（22）, the anti-corrosion layer（21）Wrap up in and be located at refractory layer （22）On outer end face；

The internal layer（3）Including anti-deformation layer（31）And crack resistance layer（32）, the anti-deformation layer（31）Wrap up in and be located at crack resistance Layer（32）On outer end face.

A kind of 2. lead-free and halogen-free element welding wire according to claim 1, it is characterised in that：The outer layer（1）Thickness is 0.1mm-0.3mm。

A kind of 3. lead-free and halogen-free element welding wire according to claim 1, it is characterised in that：The intermediate layer（2）Thickness is 0.4mm-0.5mm。

A kind of 4. lead-free and halogen-free element welding wire according to claim 1, it is characterised in that：The internal layer（3）Thickness is 0.2mm-0.5mm。