CN114130628A - Vertical powder spraying process for aluminum profile - Google Patents
Vertical powder spraying process for aluminum profile Download PDFInfo
- Publication number
- CN114130628A CN114130628A CN202111455066.6A CN202111455066A CN114130628A CN 114130628 A CN114130628 A CN 114130628A CN 202111455066 A CN202111455066 A CN 202111455066A CN 114130628 A CN114130628 A CN 114130628A
- Authority
- CN
- China
- Prior art keywords
- section bar
- aluminum profile
- section
- washing
- spraying process
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
- B05D1/06—Applying particulate materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
- B05D3/102—Pretreatment of metallic substrates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
Abstract
The invention discloses a vertical powder spraying process for an aluminum profile, which comprises the following steps: s1: and (3) base material inspection, wherein the base material inspection comprises appearance quality inspection of the section material, the section material which does not meet the quality requirement can be subjected to the next operation which meets the control standard requirement by a certain method, and otherwise, the section material is marked and returned to the transfer bin. S2: and (4) loading the section bar processed by the S1 to a rack, and hanging the section bar by a conveying chain hook for the next operation. S3, pretreatment, namely washing, pre-degreasing, washing, pure washing, chromium-free passivation and drying are carried out on the section bar treated by the S2. And S4, spraying powder, and performing electrostatic spraying on the section bar treated by the S3. The powder coating rate of electrostatic spraying is effectively improved, the obtained powder coating has good apparent quality and excellent hardness and abrasion resistance, the aluminum profile has good decoration effect and protection effect, the comprehensive performance is excellent, the appearance quality is improved, and the service life of the aluminum profile is prolonged.
Description
Technical Field
The invention relates to the field of metal powder processing, in particular to a vertical powder spraying process for an aluminum profile.
Background
Metallic powder coating refers to various powder coatings containing metallic pigments. The metal powder coating can show bright and luxurious decorative effect, and is very suitable for spraying indoor and outdoor objects such as furniture, ornaments, automobiles and the like. In the manufacturing process, a dry mixing method is mainly adopted in the domestic market at present, a bonding fixing method is also used internationally, a spray gun is mainly adopted for spraying the metal powder coating, but a friction spray gun is generally not suitable for spraying the metal powder coating, and in most cases, an electrostatic spray gun is adopted for coating.
Therefore, it is necessary to invent a vertical powder spraying process for aluminum profiles to solve the above problems.
Disclosure of Invention
The invention aims to provide a vertical powder spraying process for an aluminum profile, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the vertical powder spraying process for the aluminum profile comprises the following steps:
s1: and (3) base material inspection, wherein the base material inspection comprises appearance quality inspection of the section material, the section material which does not meet the quality requirement can be subjected to the next operation which meets the control standard requirement by a certain method, and otherwise, the section material is marked and returned to the transfer bin.
S2: and (4) loading the section bar processed by the S1 to a rack, and hanging the section bar by a conveying chain hook for the next operation.
S3, pretreatment, namely washing, pre-degreasing, washing, pure washing, chromium-free passivation and drying are carried out on the section bar treated by the S2.
And S4, spraying powder, and performing electrostatic spraying on the section bar treated by the S3.
S5, curing, wherein the section bar processed by the S4 can be conveyed to a curing chamber through a conveying chain, the curing temperature in the curing chamber is 170-200 ℃, and the curing time is 60-90 min.
And S6, unloading and inspecting, namely inspecting the processed section bar, warehousing and cutting qualified products, and controlling unqualified products.
Preferably, the degreasing solution in the step S3 is a carboxyl polymer solution, and the chromium-free passivation is chromate passivation.
Preferably, the drying time in the step S3 is 5-15min, the temperature is kept at 130-150 ℃, and the drying time is 10-20 min.
Preferably, the thickness of the electrostatic spraying coating of the step S4 is 0.2-0.6 mm.
The invention has the technical effects and advantages that:
the metal powder spraying process has the advantages of simple flow, convenient operation, wide application range and higher processing efficiency. The powder coating rate of electrostatic spraying is effectively improved, the obtained powder coating has good apparent quality and excellent hardness and abrasion resistance, the aluminum profile has good decoration effect and protection effect, the comprehensive performance is excellent, the appearance quality is improved, and the service life of the aluminum profile is prolonged.
Drawings
FIG. 1 is a schematic overall flow chart of the present invention.
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.
The invention provides a vertical powder spraying process for an aluminum profile as shown in the figure, which comprises the following steps:
s1: and (3) base material inspection, wherein the base material inspection comprises appearance quality inspection of the section material, the section material which does not meet the quality requirement can be subjected to the next operation which meets the control standard requirement by a certain method, and otherwise, the section material is marked and returned to the transfer bin.
S2: and (4) loading the section bar processed by the S1 to a rack, and hanging the section bar by a conveying chain hook for the next operation.
S3, pretreatment, namely washing, pre-degreasing, washing, pure washing, chromium-free passivation and drying are carried out on the section bar treated by the S2.
And S4, spraying powder, and performing electrostatic spraying on the section bar treated by the S3.
S5, curing, wherein the section bar processed by the S4 can be conveyed to a curing chamber through a conveying chain, the curing temperature in the curing chamber is 170-200 ℃, and the curing time is 60-90 min.
And S6, unloading and inspecting, namely inspecting the processed section bar, warehousing and cutting qualified products, and controlling unqualified products.
Further, in the above technical solution, the degreasing solution in the step S3 is a carboxyl polymer solution, and the chromate-free passivation is chromate passivation;
further, in the above technical scheme, the drying time in the step S3 is 5-15min, the temperature is kept at 130-150 ℃, and the inside is kept standing for 10-20 min;
further, in the above technical solution, the thickness of the electrostatic spraying coating in the step S4 is 0.2-0.6 mm.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. The vertical powder spraying process for the aluminum profile comprises the following steps:
s1: and (3) base material inspection, wherein the base material inspection comprises appearance quality inspection of the section material, the section material which does not meet the quality requirement can be subjected to the next operation which meets the control standard requirement by a certain method, and otherwise, the section material is marked and returned to the transfer bin.
S2: and (4) loading the section bar processed by the S1 to a rack, and hanging the section bar by a conveying chain hook for the next operation.
S3, pretreatment, namely washing, pre-degreasing, washing, pure washing, chromium-free passivation and drying are carried out on the section bar treated by the S2.
And S4, spraying powder, and performing electrostatic spraying on the section bar treated by the S3.
S5, curing, wherein the section bar processed by the S4 can be conveyed to a curing chamber through a conveying chain, the curing temperature in the curing chamber is 170-200 ℃, and the curing time is 60-90 min.
And S6, unloading and inspecting, namely inspecting the processed section bar, warehousing and cutting qualified products, and controlling unqualified products.
2. The vertical powder spraying process for the aluminum profile according to claim 1, which is characterized in that: in the step S3, the degreasing solution is a carboxyl polymer solution, and the chromium-free passivation is chromate passivation.
3. The vertical powder spraying process for the aluminum profile according to claim 1, which is characterized in that: the drying time in the step S3 is 5-15min, the temperature is kept at 130-150 ℃, and the drying time is 10-20 min.
4. The vertical powder spraying process for the aluminum profile according to claim 1, which is characterized in that: the thickness of the electrostatic spraying coating in the step S4 is 0.2-0.6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111455066.6A CN114130628A (en) | 2021-12-02 | 2021-12-02 | Vertical powder spraying process for aluminum profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111455066.6A CN114130628A (en) | 2021-12-02 | 2021-12-02 | Vertical powder spraying process for aluminum profile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114130628A true CN114130628A (en) | 2022-03-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111455066.6A Pending CN114130628A (en) | 2021-12-02 | 2021-12-02 | Vertical powder spraying process for aluminum profile |
Country Status (1)
| Country | Link |
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| CN (1) | CN114130628A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4952452A (en) * | 1988-07-10 | 1990-08-28 | Klil Industries Ltd. | Aluminum profile coated with organic resin and non-leafing pigments |
| EP1059365A1 (en) * | 1999-06-08 | 2000-12-13 | Itt Manufacturing Enterprises, Inc. | Corrosion resistant powder coated metal tube and process for making the same |
| CN1981943A (en) * | 2006-05-17 | 2007-06-20 | 王斌 | Method and housing for spraying sectional-materials into two colors |
| CN102059207A (en) * | 2010-12-31 | 2011-05-18 | 天津戴卡轮毂制造有限公司 | Aluminum alloy wheel coating process |
| CN106694329A (en) * | 2017-01-05 | 2017-05-24 | 滁州市友邦涂装有限公司 | Metal powder spraying technological process |
| CN108620292A (en) * | 2017-03-20 | 2018-10-09 | 天津金鹏铝材制造有限公司 | A kind of aluminium section bar powder coating methods |
| CN109294413A (en) * | 2018-10-11 | 2019-02-01 | 安徽省金鹏节能科技有限公司 | A kind of door and window aluminium section bar surface powder electrostatic coating method |
-
2021
- 2021-12-02 CN CN202111455066.6A patent/CN114130628A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4952452A (en) * | 1988-07-10 | 1990-08-28 | Klil Industries Ltd. | Aluminum profile coated with organic resin and non-leafing pigments |
| EP1059365A1 (en) * | 1999-06-08 | 2000-12-13 | Itt Manufacturing Enterprises, Inc. | Corrosion resistant powder coated metal tube and process for making the same |
| CN1981943A (en) * | 2006-05-17 | 2007-06-20 | 王斌 | Method and housing for spraying sectional-materials into two colors |
| CN102059207A (en) * | 2010-12-31 | 2011-05-18 | 天津戴卡轮毂制造有限公司 | Aluminum alloy wheel coating process |
| CN106694329A (en) * | 2017-01-05 | 2017-05-24 | 滁州市友邦涂装有限公司 | Metal powder spraying technological process |
| CN108620292A (en) * | 2017-03-20 | 2018-10-09 | 天津金鹏铝材制造有限公司 | A kind of aluminium section bar powder coating methods |
| CN109294413A (en) * | 2018-10-11 | 2019-02-01 | 安徽省金鹏节能科技有限公司 | A kind of door and window aluminium section bar surface powder electrostatic coating method |
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