CN115255712A - Stainless steel self-protection flux-cored wire - Google Patents
Stainless steel self-protection flux-cored wire Download PDFInfo
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- CN115255712A CN115255712A CN202210371699.7A CN202210371699A CN115255712A CN 115255712 A CN115255712 A CN 115255712A CN 202210371699 A CN202210371699 A CN 202210371699A CN 115255712 A CN115255712 A CN 115255712A
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- stainless steel
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- steel strip
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- 239000010935 stainless steel Substances 0.000 title claims abstract description 25
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 81
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 229910052751 metal Inorganic materials 0.000 claims abstract description 48
- 239000002184 metal Substances 0.000 claims abstract description 48
- 238000003466 welding Methods 0.000 claims abstract description 47
- 238000004804 winding Methods 0.000 claims abstract description 36
- 238000002156 mixing Methods 0.000 claims abstract description 22
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 19
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 15
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims abstract description 14
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims abstract description 8
- 230000004907 flux Effects 0.000 claims abstract description 7
- 239000010963 304 stainless steel Substances 0.000 claims abstract description 4
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims abstract description 4
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910001632 barium fluoride Inorganic materials 0.000 claims abstract description 4
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 4
- 229910001634 calcium fluoride Inorganic materials 0.000 claims abstract description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 3
- 238000005096 rolling process Methods 0.000 claims description 34
- 238000001035 drying Methods 0.000 claims description 20
- 238000005245 sintering Methods 0.000 claims description 18
- 238000002360 preparation method Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000007873 sieving Methods 0.000 claims description 7
- 239000011230 binding agent Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000011812 mixed powder Substances 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
- 238000005491 wire drawing Methods 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000012216 screening Methods 0.000 claims description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 5
- 238000005303 weighing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003814 drug Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
- B23K35/0266—Rods, electrodes, wires flux-cored
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
- B23K35/406—Filled tubular wire or rods
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses a stainless steel self-protection flux-cored wire, which comprises a steel strip and medicinal powder filled in the steel strip, wherein a flux core is prepared by mixing 30-40 wt% of fluoride powder, 2-4 wt% of ferrosilicon powder, 3-5 wt% of metal manganese powder, 20-25 wt% of metal chromium powder, 10-14 wt% of metal nickel powder, 8-12 wt% of magnesium alloy powder, 6-10 wt% of aluminum powder and the balance of iron powder; the fluoride powder is one compound powder of barium fluoride, lithium fluoride and calcium fluoride; the steel belt is a 304 stainless steel belt with the thickness of 0.35 mm; the flux-cored wire manufacturing process is simple, the winding machine is convenient for winding semi-finished welding wires, the winding roller can be separated from the rotating shaft after winding is completed, the welding wires on the winding roller can be conveniently moved to the next process, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of flux-cored wires, in particular to a stainless steel self-protection flux-cored wire.
Background
Flux-cored wires, also known as flux-cored wires and tubular welding wires, are classified into two major categories, gas-cored protection and non-gas-cored protection. The surface of the flux-cored wire is made of low-carbon steel or low-alloy steel with better plasticity like a solid-core welding wire. The manufacturing method comprises rolling steel strip into U-shaped section, adding welding powder into the U-shaped steel strip, rolling with a rolling mill, and drawing to obtain flux-cored wires of different specifications; however, the common stainless steel self-protection welding wires in the current market have the problems of easy occurrence of air holes, large welding spatter, difficult slag removal and the like, and the flux-cored welding wires are relatively troublesome to prepare, so that the working efficiency is reduced, the labor intensity is increased, and the common stainless steel self-protection welding wires are not worth being widely popularized and applied.
Disclosure of Invention
The invention aims to provide a stainless steel self-protection flux-cored wire, which has a simple manufacturing process, is convenient for a winding machine to wind a semi-finished welding wire, can separate a winding roller from a rotating shaft after the winding is finished, is convenient for the welding wire on the winding roller to move to the next process, improves the working efficiency, solves the problems of easy occurrence of air holes, large welding spatter, difficult slag removal and the like through the proportioning of raw materials, improves the mechanical property of the welding wire, and is worthy of wide popularization and application.
The purpose of the invention can be realized by the following technical scheme:
a stainless steel self-protection flux-cored wire comprises a steel strip and powder filled in the steel strip, wherein the flux core is prepared by mixing 30-40 wt% of fluoride powder, 2-4 wt% of ferrosilicon powder, 3-5 wt% of metal manganese powder, 20-25 wt% of metal chromium powder, 10-14 wt% of metal nickel powder, 8-12 wt% of road magnesium alloy powder, 6-10 wt% of aluminum powder and the balance iron powder.
As a further scheme of the invention: the fluoride powder is one of barium fluoride, lithium fluoride and calcium fluoride.
As a further scheme of the invention: the steel strip is a 0.35mm thick 304 stainless steel strip.
As a further scheme of the invention: the filling filter of the traditional Chinese medicine powder in the steel belt is 22-24%.
A preparation method of a stainless steel self-protection flux-cored wire comprises the following specific steps:
firstly, 30-40% of fluoride powder, 2-4% of ferrosilicon powder, 3-5% of metal manganese powder, 20-25% of metal chromium powder, 10-14% of metal nickel powder, 8-12% of magnesium alloy powder, 6-10% of aluminum powder and the balance of iron powder are weighed according to mass percentage, and the sum of the mass percentages of the components is 100%.
Adding a sodium silicate binder into fluoride powder, uniformly mixing, placing the mixture into a heating furnace, sintering, discharging, sieving, and screening to obtain mixed powder A, wherein the particle size is less than 75 meshes, stirring and mixing the ferrosilicon powder, the metal manganese powder, the metal chromium powder, the metal nickel powder, the road magnesium alloy powder, the aluminum powder, the iron powder and the powder A at the stirring speed of 500r/min for 20min, uniformly mixing, and placing the mixture into a drying furnace for drying to obtain flux core powder;
thirdly, placing the steel strip on a strip placing machine, rewinding the steel strip, cleaning the steel strip through a forming machine, rolling the steel strip into a U-shaped groove, adding the medicinal powder obtained in the second step into the U-shaped groove, sealing the steel strip through the forming machine, reducing the diameter of the steel strip to 28mm to obtain a semi-finished welding wire, rolling the reduced welding wire through a wire rewinding machine, moving to the next program after rolling, drawing wires, and reducing the diameter of the semi-finished welding wire through a wire drawing machine;
and step four, finally, coiling the finished welding wire layer, packaging and warehousing.
As a further scheme of the invention: and in the third step, reducing the drawing diameter to 14mm.
As a further scheme of the invention: the sintering temperature is 500-650 ℃, the sintering time is 2-3h, the drying temperature is 120-200 ℃, and the drying time is 3.5h. As a further scheme of the invention: .
As a further scheme of the invention: in the third step, the take-up machine comprises an L-shaped mounting base, a motor base, a rotating motor, a reduction gearbox, a rotating shaft, a winding roller, a limiting block, a limiting groove, a rotary disk, an annular sliding groove, a protective disk, an arc-shaped support, an upper arc-shaped sliding block, a first limiting disk, external threads, a second limiting disk, supporting legs, a reinforcing rod, a pulley, a handle and a lower arc-shaped sliding block, wherein the motor base is welded on the outer wall of the top end of a bottom plate of the L-shaped mounting base, the rotating motor is installed on the outer wall of the top end of the motor base, the reduction gearbox is fixed on the outer wall of a side plate of the L-shaped mounting base corresponding to the rotating motor, an output shaft of the rotating motor is connected with an input end of the reduction gearbox, the rotating shaft is rotatably installed on the outer wall of the other side of the side plate of the L-shaped mounting base, one end of the rotating shaft is connected with an output end of the reduction gearbox, the winding roller is sleeved on the outer wall of the rotary shaft, the arc-shaped outer wall of the support is sleeved with the lower arc-shaped sliding block, the arc-shaped sliding block is welded on the outer wall of the arc-shaped mounting base, the arc-shaped sliding block, and the arc-shaped sliding groove is welded on the outer wall of the arc-shaped sliding block, and the arc-shaped sliding groove.
As a further scheme of the invention: the outer wall of the rotating shaft on one side of the furling roller is welded with a first limiting disc, the rotating shaft penetrates through the outer wall in the furling roller to be provided with external threads, and the outer wall of the rotating shaft is screwed with a second limiting disc corresponding to the external threads.
As a further scheme of the invention: the arc-shaped support is characterized in that two supporting legs are welded on the outer wall of the bottom end of the arc-shaped support, reinforcing rods are welded on the outer wall between the supporting legs, and pulleys are fixed on the outer wall of the bottom end of each supporting leg.
The invention has the beneficial effects that: the flux-cored wire manufacturing process is simple, the winding machine is convenient for winding the semi-finished welding wire, the winding roller can be separated from the rotating shaft after winding is completed, the welding wire on the winding roller can be conveniently moved to the next process, and the working efficiency is improved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic front perspective view of the winding machine of the present invention;
FIG. 2 is a schematic side view of a side perspective structure of the winding machine of the present invention;
fig. 3 is a side cross-sectional view of the reel-up of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3 according to the present invention;
in the figure: 1. an L-shaped mounting base; 2. a motor base; 3. a rotating electric machine; 4. a reduction gearbox; 5. a rotating shaft; 6. rolling up a roller; 7. a limiting block; 8. a limiting groove; 9. a turntable; 10. an annular chute; 11. protecting the disc; 12. an arc support; 13. an upper arc-shaped sliding block; 14. a first limiting disc; 15. an external thread; 16. a second limiting disc; 17. supporting legs; 18. a reinforcing rod; 19. a pulley; 20. a handle; 21. a lower arc-shaped sliding block.
Detailed Description
The technical solutions of the present invention will be described below clearly and completely in conjunction with the embodiments, 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.
As shown in fig. 1-3, a stainless steel self-protection flux-cored wire comprises a steel belt and powder filled in the steel belt, wherein the flux core is prepared by mixing 30-40 wt% of fluoride powder, 2-4 wt% of ferrosilicon powder, 3-5 wt% of metal manganese powder, 20-25 wt% of metal chromium powder, 10-14 wt% of metal nickel powder, 8-12 wt% of magnesium-containing alloy powder, 6-10 wt% of aluminum powder and the balance of iron powder; the fluoride powder is one compound powder of barium fluoride, lithium fluoride and calcium fluoride; the steel belt is a 304 stainless steel belt with the thickness of 0.35 mm; the filling and filtering of the traditional Chinese medicine powder in the steel belt is 22 to 24 percent.
A preparation method of a stainless steel self-protection flux-cored wire comprises the following specific steps:
firstly, weighing 30-40% of fluoride powder, 2-4% of ferrosilicon powder, 3-5% of metal manganese powder, 20-25% of metal chromium powder, 10-14% of metal nickel powder, 8-12% of magnesium alloy powder, 6-10% of aluminum powder and the balance of iron powder according to mass percentage, wherein the sum of the mass percentages of the components is 100%;
adding fluoride powder into a water glass binder, uniformly mixing, placing in a heating furnace, sintering, discharging, sieving, wherein the sintering temperature is 500-650 ℃, the sintering time is 2-3h, and the sieving granularity is less than 75 meshes to obtain mixed powder A, stirring and mixing ferrosilicon powder, metal manganese powder, metal chromium powder, metal nickel powder, magnesium alloy powder, aluminum powder, iron powder and powder A with the stirring speed of 500r/min for 20min, uniformly mixing, placing in a drying furnace, drying at the drying temperature of 120-200 ℃ for 3.5h to obtain flux-cored powder;
thirdly, placing the steel strip on a strip placing machine, rewinding the steel strip, cleaning the steel strip through a forming machine, rolling the steel strip into a U-shaped groove, adding the powder obtained in the second step into the U-shaped groove, sealing the steel strip through the forming machine, reducing the diameter of the steel strip to 28mm to obtain a semi-finished welding wire product, winding the reduced welding wire through a wire winding machine, moving to the next procedure after winding is completed, drawing wires, drawing and reducing the diameter of the semi-finished welding wire product to 14mm through a wire drawing machine; the take-up machine comprises an L-shaped mounting base 1, a motor base 2, a rotating motor 3, a reduction gearbox 4, a rotating shaft 5, a take-up roller 6, a limiting block 7, a limiting groove 8, a rotary table 9, an annular sliding groove 10, a protective disc 11, an arc-shaped support 12, an upper arc-shaped slide block 13, a first limiting disc 14, external threads 15, a second limiting disc 16, supporting legs 17, reinforcing rods 18, pulleys 19, a handle 20 and a lower arc-shaped slide block 21, wherein the motor base 2 is welded on the outer wall of the top end of a bottom plate of the L-shaped mounting base 1, the rotating motor 3 is mounted on the outer wall of the top end of the motor base 2, the reduction gearbox 4 is fixed on the outer wall of a side plate of the L-shaped mounting base 1 corresponding to the rotating motor 3, an output shaft of the rotating motor 3 is connected with an input end of the reduction gearbox 4, the rotating shaft 5 is rotatably mounted on the outer wall of the other side plate of the L-shaped mounting base 1, one end of the rotating shaft 5 is connected with an output end of the reduction gearbox 4, the take-up roller 6 is sleeved on the outer wall of the rotating shaft 5, the inner wall of the furling roller 6 is provided with a plurality of limiting grooves 8, the outer wall of the rotating shaft 5 is welded with limiting blocks 7 corresponding to the limiting grooves 8, the outer walls of two sides of the furling roller 6 are sleeved with rotating discs 9, the outer wall of the bottom end of the rotating disc 9 is provided with an arc-shaped support 12, the outer wall of the arc-shaped support 12 is welded with a lower arc-shaped slide block 21, the outer wall of the rotating disc 9 is provided with an annular slide groove 10 corresponding to the lower arc-shaped slide block 21, the inner wall of the annular slide groove 10 is attached to the outer wall of the lower arc-shaped slide block 21, the outer wall of the upper arc-shaped slide block 13 is fixed with an upper arc-shaped slide block 13 corresponding to the annular slide groove 10 through bolts, the outer wall of the furling roller 6 between the rotating discs 9 is welded with a protective disc 11, the structure is simple, the use is convenient, the welding wire can be rolled into a disc conveniently, the next procedure can be moved conveniently, and the preparation efficiency of the welding wire can be improved, the method is more perfect and practical; the outer wall of the rotating shaft 5, which is positioned on one side of the rolling roller 6, is welded with a first limiting disc 14, the outer wall of the rotating shaft 5, which penetrates through the rolling roller 6, is provided with an external thread 15, the outer wall of the rotating shaft 5, which corresponds to the external thread 15, is screwed with a second limiting disc 16, so that the rolling roller 6 is conveniently limited and fixed, and the rolling roller 6 is also conveniently disassembled and separated from the rotating shaft 5, and is practical; two supporting legs 17 are welded on the outer wall of the bottom end of the arc-shaped support 12, reinforcing rods 18 are welded on the outer wall between the supporting legs 17, and pulleys 19 are fixed on the outer wall of the bottom end of each supporting leg 17, so that the rolling roller 6 can be conveniently moved, and labor is saved;
and step four, finally, coiling the finished welding wire layer, packaging and warehousing.
Example 1:
a preparation method of a stainless steel self-protection flux-cored wire comprises the following specific steps:
respectively weighing 35 kg of fluoride powder, 3 kg of silicon iron powder, 4 kg of metal manganese powder, 23 kg of metal chromium powder, 12 kg of metal nickel powder, 10 kg of magnesium alloy powder, 8 kg of aluminum powder and 5 kg of iron powder according to the mass percentage, wherein the sum of the mass percentages of the components is 100%;
adding a sodium silicate binder into fluoride powder, uniformly mixing, placing the mixture into a heating furnace, sintering, discharging, sieving, wherein the sintering temperature is 500-650 ℃, the sintering time is 2-3 hours, and the screening particle size is less than 75 meshes to obtain mixed powder A, stirring and mixing ferrosilicon powder, metal manganese powder, metal chromium powder, metal nickel powder, road magnesium alloy powder, aluminum powder, iron powder and powder A with the stirring speed of 500r/min for 20 minutes, uniformly mixing, placing the mixture into a drying furnace for drying at the drying temperature of 120-200 ℃ for 3.5 hours to obtain flux-cored powder;
thirdly, placing the steel strip on a strip placing machine, rewinding the steel strip, cleaning the steel strip through a forming machine, rolling the steel strip into a U-shaped groove, adding the powder obtained in the second step into the U-shaped groove, sealing the steel strip through the forming machine, reducing the diameter of the steel strip to 28mm to obtain a semi-finished welding wire product, winding the reduced welding wire through a wire winding machine, moving to the next procedure after winding is completed, drawing wires, drawing and reducing the diameter of the semi-finished welding wire product to 14mm through a wire drawing machine; the take-up machine comprises an L-shaped mounting base 1, a motor base 2, a rotating motor 3, a reduction gearbox 4, a rotating shaft 5, a take-up roller 6, a limiting block 7, a limiting groove 8, a rotary table 9, an annular sliding groove 10, a protective disc 11, an arc-shaped support 12, an upper arc-shaped slide block 13, a first limiting disc 14, external threads 15, a second limiting disc 16, supporting legs 17, reinforcing rods 18, pulleys 19, a handle 20 and a lower arc-shaped slide block 21, wherein the motor base 2 is welded on the outer wall of the top end of a bottom plate of the L-shaped mounting base 1, the rotating motor 3 is mounted on the outer wall of the top end of the motor base 2, the reduction gearbox 4 is fixed on the outer wall of a side plate of the L-shaped mounting base 1 corresponding to the rotating motor 3, an output shaft of the rotating motor 3 is connected with an input end of the reduction gearbox 4, the rotating shaft 5 is rotatably mounted on the outer wall of the other side plate of the L-shaped mounting base 1, one end of the rotating shaft 5 is connected with an output end of the reduction gearbox 4, the take-up roller 6 is sleeved on the outer wall of the rotating shaft 5, the inner wall of the furling roller 6 is provided with a plurality of limiting grooves 8, the outer wall of the rotating shaft 5 is welded with limiting blocks 7 corresponding to the limiting grooves 8, the outer walls of two sides of the furling roller 6 are sleeved with rotating discs 9, the outer wall of the bottom end of the rotating disc 9 is provided with an arc-shaped support 12, the outer wall of the arc-shaped support 12 is welded with a lower arc-shaped slide block 21, the outer wall of the rotating disc 9 is provided with an annular slide groove 10 corresponding to the lower arc-shaped slide block 21, the inner wall of the annular slide groove 10 is attached to the outer wall of the lower arc-shaped slide block 21, the outer wall of the upper arc-shaped slide block 13 is fixed with an upper arc-shaped slide block 13 corresponding to the annular slide groove 10 through bolts, the outer wall of the furling roller 6 between the rotating discs 9 is welded with a protective disc 11, the structure is simple, the use is convenient, the welding wire can be rolled into a disc conveniently, the next procedure can be moved conveniently, and the preparation efficiency of the welding wire can be improved, the method is more perfect and practical; the outer wall of the rotating shaft 5, which is positioned on one side of the rolling roller 6, is welded with a first limiting disc 14, the rotating shaft 5 penetrates through the outer wall in the rolling roller 6 and is provided with an external thread 15, and the outer wall of the rotating shaft 5, which corresponds to the external thread 15, is screwed with a second limiting disc 16, so that the rolling roller 6 is conveniently limited and fixed, and the rolling roller 6 is also conveniently disassembled and is separated from the rotating shaft 5, therefore, the rolling roller is practical; two supporting legs 17 are welded on the outer wall of the bottom end of the arc-shaped support 12, reinforcing rods 18 are welded on the outer wall between the supporting legs 17, and pulleys 19 are fixed on the outer wall of the bottom end of each supporting leg 17, so that the rolling roller 6 can be conveniently moved, and labor is saved;
and step four, finally, coiling the finished welding wire layer, packaging and warehousing.
Example 2:
a preparation method of a stainless steel self-protection flux-cored wire comprises the following specific steps:
respectively weighing 32 kg of fluoride powder, 2 kg of silicon iron powder, 3 kg of metal manganese powder, 25 kg of metal chromium powder, 14 kg of metal nickel powder, 8 kg of magnesium alloy powder, 12 kg of aluminum powder and 4 kg of iron powder according to the mass percentage, wherein the sum of the mass percentages of the above components is 100%;
adding a sodium silicate binder into fluoride powder, uniformly mixing, placing the mixture into a heating furnace, sintering, discharging, sieving, wherein the sintering temperature is 500-650 ℃, the sintering time is 2-3 hours, and the screening particle size is less than 75 meshes to obtain mixed powder A, stirring and mixing ferrosilicon powder, metal manganese powder, metal chromium powder, metal nickel powder, road magnesium alloy powder, aluminum powder, iron powder and powder A with the stirring speed of 500r/min for 20 minutes, uniformly mixing, placing the mixture into a drying furnace for drying at the drying temperature of 120-200 ℃ for 3.5 hours to obtain flux-cored powder;
thirdly, placing the steel strip on a strip placing machine, rewinding the steel strip, cleaning the steel strip through a forming machine, rolling the steel strip into a U-shaped groove, adding the powder obtained in the second step into the U-shaped groove, sealing the steel strip through the forming machine, reducing the diameter of the steel strip to 28mm to obtain a semi-finished welding wire product, winding the reduced welding wire through a wire winding machine, moving to the next procedure after winding is completed, drawing wires, drawing and reducing the diameter of the semi-finished welding wire product to 14mm through a wire drawing machine; the take-up machine comprises an L-shaped mounting base 1, a motor base 2, a rotating motor 3, a reduction gearbox 4, a rotating shaft 5, a take-up roller 6, a limiting block 7, a limiting groove 8, a rotary table 9, an annular sliding groove 10, a protective disc 11, an arc-shaped support 12, an upper arc-shaped slide block 13, a first limiting disc 14, external threads 15, a second limiting disc 16, supporting legs 17, reinforcing rods 18, pulleys 19, a handle 20 and a lower arc-shaped slide block 21, wherein the motor base 2 is welded on the outer wall of the top end of a bottom plate of the L-shaped mounting base 1, the rotating motor 3 is mounted on the outer wall of the top end of the motor base 2, the reduction gearbox 4 is fixed on the outer wall of a side plate of the L-shaped mounting base 1 corresponding to the rotating motor 3, an output shaft of the rotating motor 3 is connected with an input end of the reduction gearbox 4, the rotating shaft 5 is rotatably mounted on the outer wall of the other side plate of the L-shaped mounting base 1, one end of the rotating shaft 5 is connected with an output end of the reduction gearbox 4, the take-up roller 6 is sleeved on the outer wall of the rotating shaft 5, the inner wall of the furling roller 6 is provided with a plurality of limiting grooves 8, the outer wall of the rotating shaft 5 is welded with limiting blocks 7 corresponding to the limiting grooves 8, the outer walls of two sides of the furling roller 6 are sleeved with rotating discs 9, the outer wall of the bottom end of the rotating disc 9 is provided with an arc-shaped support 12, the outer wall of the arc-shaped support 12 is welded with a lower arc-shaped slide block 21, the outer wall of the rotating disc 9 is provided with an annular slide groove 10 corresponding to the lower arc-shaped slide block 21, the inner wall of the annular slide groove 10 is attached to the outer wall of the lower arc-shaped slide block 21, the outer wall of the upper arc-shaped slide block 13 is fixed with an upper arc-shaped slide block 13 corresponding to the annular slide groove 10 through bolts, the outer wall of the furling roller 6 between the rotating discs 9 is welded with a protective disc 11, the structure is simple, the use is convenient, the welding wire can be rolled into a disc conveniently, the next procedure can be moved conveniently, and the preparation efficiency of the welding wire can be improved, the method is more perfect and practical; the outer wall of the rotating shaft 5, which is positioned on one side of the rolling roller 6, is welded with a first limiting disc 14, the rotating shaft 5 penetrates through the outer wall in the rolling roller 6 and is provided with an external thread 15, and the outer wall of the rotating shaft 5, which corresponds to the external thread 15, is screwed with a second limiting disc 16, so that the rolling roller 6 is conveniently limited and fixed, and the rolling roller 6 is also conveniently disassembled and is separated from the rotating shaft 5, therefore, the rolling roller is practical; two supporting legs 17 are welded on the outer wall of the bottom end of the arc-shaped support 12, reinforcing rods 18 are welded on the outer wall between the supporting legs 17, and pulleys 19 are fixed on the outer wall of the bottom end of each supporting leg 17, so that the rolling roller 6 can be conveniently moved, and labor is saved;
and step four, finally, coiling the finished welding wire layer, packaging and warehousing.
Example 3:
a preparation method of a stainless steel self-protection flux-cored wire comprises the following specific steps:
step one, 40 kilograms of fluoride powder, 2 kilograms of ferrosilicon powder, 3 kilograms of metal manganese powder, 22 kilograms of metal chromium powder, 10 kilograms of metal nickel powder, 8 kilograms of road magnesium alloy powder, 8 kilograms of aluminum powder and 7 kilograms of iron powder are respectively weighed according to quality, and the sum of the weight percentages of the components is 100%;
adding a sodium silicate binder into fluoride powder, uniformly mixing, placing the mixture into a heating furnace, sintering, discharging, sieving, wherein the sintering temperature is 500-650 ℃, the sintering time is 2-3 hours, and the screening particle size is less than 75 meshes to obtain mixed powder A, stirring and mixing ferrosilicon powder, metal manganese powder, metal chromium powder, metal nickel powder, road magnesium alloy powder, aluminum powder, iron powder and powder A with the stirring speed of 500r/min for 20 minutes, uniformly mixing, placing the mixture into a drying furnace for drying at the drying temperature of 120-200 ℃ for 3.5 hours to obtain flux-cored powder;
thirdly, placing the steel strip on a strip placing machine, rewinding the steel strip, cleaning the steel strip through a forming machine, rolling the steel strip into a U-shaped groove, adding the powder obtained in the second step into the U-shaped groove, sealing the steel strip through the forming machine, reducing the diameter of the steel strip to 28mm to obtain a semi-finished welding wire product, winding the reduced welding wire through a wire winding machine, moving to the next procedure after winding is completed, drawing wires, drawing and reducing the diameter of the semi-finished welding wire product to 14mm through a wire drawing machine; the take-up machine comprises an L-shaped mounting base 1, a motor base 2, a rotating motor 3, a reduction gearbox 4, a rotating shaft 5, a take-up roller 6, a limiting block 7, a limiting groove 8, a rotary table 9, an annular sliding groove 10, a protective disc 11, an arc-shaped support 12, an upper arc-shaped slide block 13, a first limiting disc 14, external threads 15, a second limiting disc 16, supporting legs 17, reinforcing rods 18, pulleys 19, a handle 20 and a lower arc-shaped slide block 21, wherein the motor base 2 is welded on the outer wall of the top end of a bottom plate of the L-shaped mounting base 1, the rotating motor 3 is mounted on the outer wall of the top end of the motor base 2, the reduction gearbox 4 is fixed on the outer wall of a side plate of the L-shaped mounting base 1 corresponding to the rotating motor 3, an output shaft of the rotating motor 3 is connected with an input end of the reduction gearbox 4, the rotating shaft 5 is rotatably mounted on the outer wall of the other side plate of the L-shaped mounting base 1, one end of the rotating shaft 5 is connected with an output end of the reduction gearbox 4, the take-up roller 6 is sleeved on the outer wall of the rotating shaft 5, the inner wall of the furling roller 6 is provided with a plurality of limiting grooves 8, the outer wall of the rotating shaft 5 is welded with limiting blocks 7 corresponding to the limiting grooves 8, the outer walls of two sides of the furling roller 6 are sleeved with rotating discs 9, the outer wall of the bottom end of the rotating disc 9 is provided with an arc-shaped support 12, the outer wall of the arc-shaped support 12 is welded with a lower arc-shaped slide block 21, the outer wall of the rotating disc 9 is provided with an annular slide groove 10 corresponding to the lower arc-shaped slide block 21, the inner wall of the annular slide groove 10 is attached to the outer wall of the lower arc-shaped slide block 21, the outer wall of the upper arc-shaped slide block 13 is fixed with an upper arc-shaped slide block 13 corresponding to the annular slide groove 10 through bolts, the outer wall of the furling roller 6 between the rotating discs 9 is welded with a protective disc 11, the structure is simple, the use is convenient, the welding wire can be rolled into a disc conveniently, the next procedure can be moved conveniently, and the preparation efficiency of the welding wire can be improved, the method is more perfect and practical; the outer wall of the rotating shaft 5, which is positioned on one side of the rolling roller 6, is welded with a first limiting disc 14, the outer wall of the rotating shaft 5, which penetrates through the rolling roller 6, is provided with an external thread 15, the outer wall of the rotating shaft 5, which corresponds to the external thread 15, is screwed with a second limiting disc 16, so that the rolling roller 6 is conveniently limited and fixed, and the rolling roller 6 is also conveniently disassembled and separated from the rotating shaft 5, and is practical; two supporting legs 17 are welded on the outer wall of the bottom end of the arc-shaped support 12, reinforcing rods 18 are welded on the outer wall between the supporting legs 17, and pulleys 19 are fixed on the outer wall of the bottom end of each supporting leg 17, so that the rolling roller 6 can be conveniently moved, and labor is saved;
and step four, finally, coiling the finished welding wire layer, packaging and warehousing.
The three stainless steel self-shielded flux-cored wires of examples 1 to 3 were subjected to weld metal welding tests, respectively, sample preparation, sampling standards and mechanical property tests were performed according to the provisions of the GB/T2652-2008 standard, and the test results are as follows:
TABLE 1
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A stainless steel self-protection flux-cored wire comprises a steel strip and powder filled in the steel strip, and is characterized in that the flux core is prepared by mixing 30-40 wt% of fluoride powder, 2-4 wt% of ferrosilicon powder, 3-5 wt% of metal manganese powder, 20-25 wt% of metal chromium powder, 10-14 wt% of metal nickel powder, 8-12 wt% of magnesium alloy powder, 6-10 wt% of aluminum powder and the balance of iron powder.
2. The stainless steel self-shielded flux-cored wire of claim 1, wherein the fluoride powder is a compound powder of barium fluoride, lithium fluoride and calcium fluoride.
3. The stainless steel self-shielded flux cored wire of claim 1, wherein the steel strip is a 0.35mm thick 304 stainless steel strip.
4. The stainless steel self-shielded flux-cored wire of claim 1, wherein the filler-filter of the powder in the steel strip is 22-24%.
5. The preparation method of the stainless steel self-shielded flux-cored wire according to claim 1, which is characterized by comprising the following specific steps:
firstly, weighing 30-40% of fluoride powder, 2-4% of ferrosilicon powder, 3-5% of metal manganese powder, 20-25% of metal chromium powder, 10-14% of metal nickel powder, 8-12% of road magnesium alloy powder, 6-10% of aluminum powder and the balance of iron powder according to mass percentage, wherein the sum of the mass percentages of the components is 100%;
adding a sodium silicate binder into fluoride powder, uniformly mixing, placing the mixture into a heating furnace, sintering, discharging, sieving, and screening to obtain mixed powder A, wherein the particle size is less than 75 meshes, stirring and mixing the ferrosilicon powder, the metal manganese powder, the metal chromium powder, the metal nickel powder, the road magnesium alloy powder, the aluminum powder, the iron powder and the powder A at the stirring speed of 500r/min for 20min, uniformly mixing, and placing the mixture into a drying furnace for drying to obtain flux core powder;
thirdly, placing the steel strip on a strip placing machine, rewinding the steel strip, cleaning the steel strip through a forming machine, rolling the steel strip into a U-shaped groove, adding the powder obtained in the second step into the U-shaped groove, sealing the steel strip through the forming machine, reducing the diameter of the steel strip to 28mm to obtain a semi-finished welding wire product, winding the reduced welding wire through a wire winding machine, moving to the next procedure after winding, drawing wires, and reducing the diameter of the semi-finished welding wire product through a wire drawing machine;
and step four, finally, coiling the finished welding wire layer, packaging and warehousing.
6. The method for preparing the stainless steel self-shielded flux-cored wire according to claim 5, wherein in the third step, the drawing diameter is reduced to 14mm.
7. The method for preparing the stainless steel self-shielded flux-cored wire according to claim 5, wherein in the second step, the sintering temperature is 500-650 ℃, the sintering time is 2-3h, the drying temperature is 120-200 ℃, and the drying time is 3.5h.
8. The preparation method of the stainless steel self-protection flux-cored wire according to claim 5, characterized in that in the third step, the wire-rewinding machine comprises an L-shaped mounting seat (1), a motor seat (2), a rotating motor (3), a reduction gearbox (4), a rotating shaft (5), a rewinding roller (6), a limiting block (7), a limiting groove (8), a rotary table (9), an annular sliding groove (10), a protective disc (11), an arc-shaped support (12), an upper arc-shaped slider (13), a first limiting disc (14), an external thread (15), a second limiting disc (16), supporting legs (17), reinforcing rods (18), pulleys (19), a handle (20) and a lower arc-shaped slider (21), wherein the outer wall of the top end of a bottom plate of the L-shaped mounting seat (1) is welded with the motor seat (2), the rotating motor (3) is mounted on the outer wall of the top end of the motor seat (2), the rotating motor (3) is fixed on the outer wall of the side plate of the L-shaped mounting seat (1) corresponding to the rotating motor (3), the rotating shaft (5) is connected with the output end of the winding roller (5), a plurality of spacing grooves (8) are formed in the inner wall of the furling roller (6), limiting blocks (7) are welded to the corresponding spacing grooves (8) on the outer wall of the rotating shaft (5), the rotating disc (9) is sleeved on the outer walls of the two sides of the furling roller (6), the arc support (12) is installed on the outer wall of the bottom end of the rotating disc (9), a lower arc-shaped sliding block (21) is welded on the outer wall of the arc support (12), an annular sliding groove (10) is formed in the outer wall of the rotating disc (9) in a corresponding mode, the inner wall of the annular sliding groove (10) is attached to the outer wall of the lower arc-shaped sliding block (21), an upper arc-shaped sliding block (13) is fixed to the outer wall of the top end of the lower arc-shaped sliding block (21) through bolts, the outer wall of the upper arc-shaped sliding block (13) is attached to the inner wall of the annular sliding groove (10), and a protection disc (11) is welded to the outer wall of the furling roller (6) between the rotating disc (9).
9. The preparation method of the stainless steel self-protection flux-cored wire according to claim 8, wherein a first limiting disc (14) is welded on the outer wall of the rotating shaft (5) on one side of the winding roller (6), an external thread (15) is arranged on the outer wall of the rotating shaft (5) penetrating through the winding roller (6), and a second limiting disc (16) is screwed on the outer wall of the rotating shaft (5) corresponding to the external thread (15).
10. The method for preparing the stainless steel self-protection flux-cored wire according to claim 9, wherein two supporting legs (17) are welded on the outer wall of the bottom end of the arc-shaped support (12), a reinforcing rod (18) is welded on the outer wall between the supporting legs (17), and pulleys (19) are fixed on the outer wall of the bottom end of each supporting leg (17).
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