CN113293372A - Processing technology for secondary treatment of rolled aluminum coil surface - Google Patents
Processing technology for secondary treatment of rolled aluminum coil surface Download PDFInfo
- Publication number
- CN113293372A CN113293372A CN202110601176.2A CN202110601176A CN113293372A CN 113293372 A CN113293372 A CN 113293372A CN 202110601176 A CN202110601176 A CN 202110601176A CN 113293372 A CN113293372 A CN 113293372A
- Authority
- CN
- China
- Prior art keywords
- coil
- powder
- aluminum
- aluminum alloy
- treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 32
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000005516 engineering process Methods 0.000 title abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 47
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 36
- 238000005507 spraying Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000001035 drying Methods 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 229940098458 powder spray Drugs 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 5
- 238000010410 dusting Methods 0.000 claims 2
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 238000005422 blasting Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Metal Rolling (AREA)
Abstract
一种二次处理轧制铝卷表面的加工工艺，包括以下步骤：表面除杂、卷材预加热、喷粉处理和冷却烘干。相比于现有的轧制铝卷表面加工工艺而言，本加工工艺具有以下优点：(1)在铝合金卷材的喷粉处理过程中，火焰喷头能够使喷粉均匀地焊接在铝卷表面，有效解决了喷粉无法牢固地附着在铝卷上这一技术问题；(2)在铝合金卷材的冷却烘干过程中进行加压矫直处理，一方面去除铝卷上的翘曲变形，另一方面通过加压矫直使喷粉涂层与铝合金卷材的结合更加牢固。A processing technique for secondary treatment of the surface of a rolled aluminum coil, comprising the following steps: removing impurities on the surface, preheating the coil, spraying powder, and cooling and drying. Compared with the existing surface processing technology of rolled aluminum coil, the processing technology has the following advantages: (1) During the powder spraying treatment of the aluminum alloy coil, the flame nozzle can make the powder spray evenly welded on the aluminum coil. It effectively solves the technical problem that the powder cannot be firmly attached to the aluminum coil; (2) the pressure straightening treatment is carried out during the cooling and drying process of the aluminum alloy coil, on the one hand, the warpage on the aluminum coil is removed. On the other hand, the combination of the powder coating and the aluminum alloy coil is made stronger by pressure straightening.
Description
Technical Field
The invention belongs to the field of surface treatment of aluminum coils, and relates to a processing technology for secondarily treating the surface of a rolled aluminum coil
Background
The shot blasting is a cold processing technology for bombarding the surface of a workpiece by shot and implanting residual compressive stress to improve the fatigue strength of the workpiece, is a common surface strengthening technology, and has the advantages of simple equipment, low cost, no limitation of the shape and the position of the workpiece, convenient operation and the like, so the shot blasting is widely used in the fields of improving the mechanical strength, the wear resistance, the fatigue resistance, the corrosion resistance and the like of parts. However, when the aluminum alloy coil is processed by the conventional shot blasting process, the powder spray in the spray gun cannot be firmly attached to the aluminum alloy coil due to the material characteristics of the aluminum alloy coil.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a processing technology for secondarily processing the surface of a rolled aluminum coil, which comprises the following steps:
(1) surface impurity removal: the cleaning device is utilized to remove impurities on the surface of the aluminum alloy coiled material, and the first treatment work of the surface of the rolled aluminum coil is completed;
(2) preheating a coiled material: conveying the aluminum alloy coiled material obtained in the step (1) to an induction heating furnace through an aluminum coil conveying belt for induction heating;
(3) powder spraying treatment: transferring the aluminum alloy coiled material obtained in the step (2) into a powder spraying device, spraying powder onto the preheated aluminum alloy coiled material through a spray gun, wherein the powder spraying material is a metal material or an alloy material, and then uniformly welding the powder spraying on the surface of the aluminum alloy coiled material through a flame nozzle at the rear end of the spray gun to finish the second treatment work of the surface of the rolled aluminum coil;
(4) cooling and drying: and (4) cooling and drying the aluminum alloy coiled material subjected to powder spraying treatment in the step (3).
Further, the cleaning device in step (1) includes, but is not limited to, a mechanical steel brush device and an ultrasonic cleaning device.
Furthermore, the temperature range of the induction heating furnace in the step (2) is 300-500 ℃, and the speed range of the aluminum alloy coiled material passing through the induction heating furnace is 0.01-0.5 m/s.
Furthermore, a powder spraying recovery box is arranged in the powder spraying device in the step (3), and the powder spraying recovery box is positioned below the spray gun and used for recovering powder which is not welded on the surface of the aluminum alloy coiled material.
Furthermore, a dust removing device is arranged in the powder spraying device in the step (3), and the dust removing device is used for absorbing dust generated in the powder spraying process.
Furthermore, the powder injection in the step (3) is any one of cast steel powder or cast iron powder.
Further, the step (4) further comprises the step of carrying out pressure straightening treatment on the aluminum alloy coiled material in the cooling and drying process.
Has the advantages that: the invention discloses a processing technology for secondary treatment of the surface of a rolled aluminum coil, which has the following advantages compared with the existing processing technology for the surface of the rolled aluminum coil: (1) in the powder spraying treatment process of the aluminum alloy coiled material, the flame spray head can enable the powder spraying to be uniformly welded on the surface of the aluminum coil, and the technical problem that the powder spraying cannot be firmly attached to the aluminum coil is effectively solved; (2) and the pressurizing and straightening treatment is carried out in the cooling and drying process of the aluminum alloy coiled material, so that the warping deformation on the aluminum coil is removed, and the combination of the powder spraying coating and the aluminum alloy coiled material is firmer through the pressurizing and straightening.
Detailed Description
In order to enhance the understanding of the present invention, the present invention will be described in further detail with reference to the following examples, which are only for the purpose of illustrating the present invention and are not to be construed as limiting the scope of the present invention.
The invention provides a processing technology for secondary treatment of the surface of a rolled aluminum coil, which comprises the following steps:
(1) surface impurity removal: the cleaning device is utilized to remove impurities on the surface of the aluminum alloy coiled material, and the first treatment work of the surface of the rolled aluminum coil is completed;
(2) preheating a coiled material: conveying the aluminum alloy coiled material obtained in the step (1) to an induction heating furnace through an aluminum coil conveying belt for induction heating;
(3) powder spraying treatment: transferring the aluminum alloy coiled material obtained in the step (2) into a powder spraying device, spraying powder onto the preheated aluminum alloy coiled material through a spray gun, wherein the powder spraying material is a metal material or an alloy material, and then uniformly welding the powder spraying on the surface of the aluminum alloy coiled material through a flame nozzle at the rear end of the spray gun to finish the second treatment work of the surface of the rolled aluminum coil;
(4) cooling and drying: and (4) cooling and drying the aluminum alloy coiled material subjected to powder spraying treatment in the step (3).
In this embodiment, the cleaning device in step (1) includes, but is not limited to, a mechanical steel brush device and an ultrasonic cleaning device.
In this embodiment, the temperature of the induction heating furnace in the step (2) is 300-500 ℃, and the speed of the aluminum alloy coiled material passing through the induction heating furnace is 0.01-0.5 m/s.
In this embodiment, a powder spraying recovery box is further arranged in the powder spraying device in the step (3), and the powder spraying recovery box is located below the spray gun and is used for recovering powder which is not welded on the surface of the aluminum alloy coiled material.
In this embodiment, a dust removing device is further disposed in the powder spraying device in step (3), and the dust removing device is used for absorbing dust generated in the powder spraying process.
In this embodiment, the powder injection in step (3) is any one of cast steel powder and cast iron powder.
In this embodiment, the step (4) further includes performing pressure straightening treatment on the aluminum alloy coil in the cooling and drying process.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601176.2A CN113293372A (en) | 2021-05-31 | 2021-05-31 | Processing technology for secondary treatment of rolled aluminum coil surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601176.2A CN113293372A (en) | 2021-05-31 | 2021-05-31 | Processing technology for secondary treatment of rolled aluminum coil surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113293372A true CN113293372A (en) | 2021-08-24 |
Family
ID=77326337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110601176.2A Pending CN113293372A (en) | 2021-05-31 | 2021-05-31 | Processing technology for secondary treatment of rolled aluminum coil surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113293372A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3254970A (en) * | 1960-11-22 | 1966-06-07 | Metco Inc | Flame spray clad powder composed of a refractory material and nickel or cobalt |
| CN101199992A (en) * | 2006-12-15 | 2008-06-18 | 洪连武 | Solid core roll spray welding process |
| CN101724806A (en) * | 2008-10-21 | 2010-06-09 | 宝山钢铁股份有限公司 | Method for manufacturing hot roller plate with anti-corrosive metal coating formed by continuous thermal spraying |
| CN102321886A (en) * | 2011-09-14 | 2012-01-18 | 遵义市润丰源钢铁铸造有限公司 | High-abrasion resistance roller of spray welding and wire drawing machine |
| CN107974681A (en) * | 2017-11-29 | 2018-05-01 | 北京石油化工学院 | A kind of method for improving cold spray layer corrosion resistance |
| CN207343125U (en) * | 2017-06-03 | 2018-05-11 | 江西中安铝业有限公司 | A kind of section bar powder blower and the production line that dusts |
| CN213255243U (en) * | 2020-08-03 | 2021-05-25 | 湖北幸福铝材有限公司 | Aluminum profile surface spraying device |
-
2021
- 2021-05-31 CN CN202110601176.2A patent/CN113293372A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3254970A (en) * | 1960-11-22 | 1966-06-07 | Metco Inc | Flame spray clad powder composed of a refractory material and nickel or cobalt |
| CN101199992A (en) * | 2006-12-15 | 2008-06-18 | 洪连武 | Solid core roll spray welding process |
| CN101724806A (en) * | 2008-10-21 | 2010-06-09 | 宝山钢铁股份有限公司 | Method for manufacturing hot roller plate with anti-corrosive metal coating formed by continuous thermal spraying |
| CN102321886A (en) * | 2011-09-14 | 2012-01-18 | 遵义市润丰源钢铁铸造有限公司 | High-abrasion resistance roller of spray welding and wire drawing machine |
| CN207343125U (en) * | 2017-06-03 | 2018-05-11 | 江西中安铝业有限公司 | A kind of section bar powder blower and the production line that dusts |
| CN107974681A (en) * | 2017-11-29 | 2018-05-01 | 北京石油化工学院 | A kind of method for improving cold spray layer corrosion resistance |
| CN213255243U (en) * | 2020-08-03 | 2021-05-25 | 湖北幸福铝材有限公司 | Aluminum profile surface spraying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210824 |