CN108212709A - A kind of aluminium section bar embossment wood grain process of surface treatment - Google Patents
A kind of aluminium section bar embossment wood grain process of surface treatment Download PDFInfo
- Publication number
- CN108212709A CN108212709A CN201611155270.5A CN201611155270A CN108212709A CN 108212709 A CN108212709 A CN 108212709A CN 201611155270 A CN201611155270 A CN 201611155270A CN 108212709 A CN108212709 A CN 108212709A
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- China
- Prior art keywords
- section bar
- aluminium section
- wood grain
- transfer
- aluminium
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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
-
- 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
-
- 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
- B05D3/0272—After-treatment with ovens
-
- 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
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- 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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention discloses a kind of aluminium section bar embossment wood grain process of surface treatment, include the following steps：Pre-treatment, spray wood grain background color powder, curing, spray transfer powder, resolidification, pack transfer printing wood grain film, vacuumize overlay film, thermal transfer cures, the thickness for spraying wood grain background color coating is more than 60um, when curing thermal transfer, wood grain on transfer film can be infiltrated into preferably in wood grain background color coating, it improves film and protects color weatherability and the fidelity of wood texture, and it is sprayed using Wood-grain mould, stereo concave-convex sense is strong, with preferable anaglyph, closer to the log sense of reality, it is poor without three-dimensional sense or three-dimensional sense to change aluminium shape surface wood grain, the inadequate present situation of fidelity, improve the quality and aesthetic feeling of decorative building material.
Description
Technical field
The present invention relates to the technical field of aluminium shape surface treatment process, more particularly to a kind of aluminium section bar embossment wood grain surfaces
Treatment process.
Background technology
Aluminium section bar has stronger corrosion resistance, nonferromagnetic, formability and recyclability, therefore is widely used in daily
In production and living.With raising of the people to product packaging and finishing requirements, the production requirement of aluminium section bar also improves therewith, big portion
People is divided to like close to natural living environment, but it is low to fit up practicability with timber, and easily corrodes rotten, high-grade timber valency
Lattice are expensive, therefore embossment wood grain aluminium section bar increasingly receives liking for people.At present, domestic aluminium shape surface wood grain treatment technology
There are two types of modes：1. thermal transfer technology：Wood grain is clear, true to nature, can transfer out various wood grain groups, but production cost is higher；②
Line technology is swept in vertical secondary spraying：Three-dimensional sense is strong, and production cost is relatively low, but grain pattern fidelity is inadequate.To reduce into production
While cost, stereo concave-convex sense and the fidelity of grain pattern are improved, it is necessary to propose a kind of aluminium section bar embossment wood grain surfaces
Treatment process.
Invention content
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of aluminium section bar embossment wood grain surface treatment is provided
Technique aims to solve the problem that embossment wood grain aluminium section bar production cost is high in the prior art, and the insufficient technology of grain pattern fidelity is asked
Topic.
To achieve the above object, the present invention proposes a kind of aluminium section bar embossment wood grain process of surface treatment, including following step
Suddenly：
Step 1: pre-treatment, will not surface treated aluminium section bar through persulfuric acid oil removing, washing, alkaline etching, washing, neutralization, water
Wash, depickling fat, washing, chromaking, washing, pure water are washed, finally dry drying, remove the fouls such as the aluminium skimmings burr of aluminium shape surface；
Step 2: spraying wood grain background color powder, using electrostatic spraying mode to premenstrual treated aluminium profiles on automatic assembly line
Material is sprayed, and when spraying is sprayed according to Wood-grain mould, forms stereo concave-convex sense, and sprayings coating layer thickness is more than 60um,
Color is arranged in pairs or groups according to production requirement and the wood grain name of an article；
Step 3: curing, passing through step 2, treated that aluminium section bar frame serves curing oven, is 160~190 degree into trip temperature,
Duration is the curing of 10~20 minutes, makes wood grain background color powder curing and is attached on aluminium shape surface；
Step 4: spray transfer powder, sprays transfer powder using electrostatic spraying mode on the aluminium shape surface Jing Guo step 3, spray thick
Degree is uniform；
Step 5: resolidification, curing oven is served by the aluminium section bar frame Jing Guo step 4, it is 150~180 degree into trip temperature, continues
Temperature is the curing of 15~20 minutes, and transfer powder is made to be attached to aluminium shape surface；
Step 6: packaging transfer printing wood grain film, selects corresponding transfer film according to the cross-sectional area of aluminium section bar, is printed on wood on transfer film
Transfer film is packaged on the aluminium section bar handled by step 5 by line, then transfer film is wrapped in aluminium profiles by automatic packaging machine
The outer surface of material；
Step 7: vacuumizing overlay film, vacuum extractor is loaded onto at transfer film both ends open packaged after step 6, is beaten
It opens vacuum pumping valve behind the door, tucks in the wrinkle part of transfer film from the centre position of aluminium section bar toward both ends flat, make each of aluminium section bar
It is adjacent at bumps with transfer film, transfer film corrugationless is made to be coated on the surface of aluminium section bar；
Step 8: thermal transfer cures, the aluminium section bar frame that transfer film is coated with by step 7 is served into curing oven, is into trip temperature
160~190 degree, the thermal transfer that the duration is 8~15 minutes cures, and penetrates into wood grain lines and the color transfer on transfer film
Onto the spray-on coating of aluminium section bar, after thermal transfer cures, aluminium section bar frame is gone out into curing oven, tears aluminium section bar table off after cooling
The blank overlay film in face.
Preferably, needing the both ends of aluminium section bar being wrapped with papery adhesive tape before packing in the step 6, aluminium is prevented
Section bar both ends acute angle punctures transfer film, weld bond width is reserved after packaging in 2cm or so, it is ensured that weld bond fits, when preventing from vacuumizing
Generate gas leakage.
Preferably, the temperature in the step 3 is 180 degree, the duration is 15 minutes.
Preferably, the temperature in the step 5 is 170 degree, the duration is 20 minutes.
Preferably, the temperature in the step 8 is 180 degree, the duration is 8 minutes.
Beneficial effects of the present invention：Compared with prior art, at a kind of aluminium section bar embossment wood grain surfaces provided by the invention
Science and engineering skill improves film and protects color weatherability and the fidelity of wood texture, and stereo concave-convex sense is strong, has preferable embossment effect
Fruit closer to the log sense of reality, changes that aluminium shape surface wood grain is poor without three-dimensional sense or three-dimensional sense, and fidelity is inadequate to be showed
Shape improves the quality and aesthetic feeling of decorative building material.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, below by embodiment, to the present invention into
Row is further described.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
In limiting the scope of the invention.In addition, in the following description, the description to known features and technology is omitted, to avoid need not
Obscure idea of the invention in strategic point.
The embodiment of the present invention provides a kind of aluminium section bar embossment wood grain process of surface treatment, includes the following steps：
Step 1: pre-treatment, will not surface treated aluminium section bar through persulfuric acid oil removing, washing, alkaline etching, washing, neutralization, water
Wash, depickling fat, washing, chromaking, washing, pure water are washed, finally dry drying, remove the fouls such as the aluminium skimmings burr of aluminium shape surface；
Step 2: spraying wood grain background color powder, using electrostatic spraying mode to premenstrual treated aluminium profiles on automatic assembly line
Material is sprayed, and when spraying is sprayed according to Wood-grain mould, forms stereo concave-convex sense, and sprayings coating layer thickness is more than 60um,
Color is arranged in pairs or groups according to production requirement and the wood grain name of an article；
Step 3: curing, passing through step 2, treated that aluminium section bar frame serves curing oven, is 160~190 degree into trip temperature,
Duration is the curing of 10~20 minutes, makes wood grain background color powder curing and is attached on aluminium shape surface；
Step 4: spray transfer powder, sprays transfer powder using electrostatic spraying mode on the aluminium shape surface Jing Guo step 3, spray thick
Degree is uniform；
Step 5: resolidification, curing oven is served by the aluminium section bar frame Jing Guo step 4, it is 150~180 degree into trip temperature, continues
Temperature is the curing of 15~20 minutes, and transfer powder is made to be attached to aluminium shape surface；
Step 6: packaging transfer printing wood grain film, selects corresponding transfer film according to the cross-sectional area of aluminium section bar, is printed on wood on transfer film
Transfer film is packaged on the aluminium section bar handled by step 5 by line, then transfer film is wrapped in aluminium profiles by automatic packaging machine
The outer surface of material；
Step 7: vacuumizing overlay film, vacuum extractor is loaded onto at transfer film both ends open packaged after step 6, is beaten
It opens vacuum pumping valve behind the door, tucks in the wrinkle part of transfer film from the centre position of aluminium section bar toward both ends flat, make each of aluminium section bar
It is adjacent at bumps with transfer film, transfer film corrugationless is made to be coated on the surface of aluminium section bar；
Step 8: thermal transfer cures, the aluminium section bar frame that transfer film is coated with by step 7 is served into curing oven, is into trip temperature
160~190 degree, the thermal transfer that the duration is 8~15 minutes cures, and penetrates into wood grain lines and the color transfer on transfer film
Onto the spray-on coating of aluminium section bar, after thermal transfer cures, aluminium section bar frame is gone out into curing oven, tears aluminium section bar table off after cooling
The blank overlay film in face.
It needs the both ends of aluminium section bar being wrapped with papery adhesive tape before packing in the step 6, prevents aluminium section bar both ends sharp
Angle punctures transfer film, weld bond width is reserved after packaging in 2cm or so, it is ensured that weld bond fits, and gas leakage is generated when preventing from vacuumizing, institute
Temperature in step 3 is stated as 180 degree, the duration is 15 minutes, and the temperature in the step 5 is 170 degree, and the duration is
20 minutes, the temperature in the step 8 was 180 degree, and the duration is 8 minutes.
So far aluminium section bar embossment wood grain process of surface treatment is completed, because of the thickness of aluminium shape surface spraying wood grain background color coating
For more than 60um, when curing thermal transfer, the wood grain line on transfer film can be infiltrated into preferably in wood grain background color coating, improved
Film protects color weatherability and the fidelity of wood texture, and is sprayed using Wood-grain mould, and stereo concave-convex sense is strong, has preferable
Anaglyph, closer to the log sense of reality, it is poor without three-dimensional sense or three-dimensional sense to change aluminium shape surface wood grain, fidelity
Inadequate present situation improves the quality and aesthetic feeling of decorative building material.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of aluminium section bar embossment wood grain process of surface treatment, it is characterised in that：Include the following steps：
Step 1: pre-treatment, will not surface treated aluminium section bar through persulfuric acid oil removing, washing, alkaline etching, washing, neutralization, water
Wash, depickling fat, washing, chromaking, washing, pure water are washed, finally dry drying, remove the fouls such as the aluminium skimmings burr of aluminium shape surface；
Step 2: spraying wood grain background color powder, using electrostatic spraying mode to premenstrual treated aluminium profiles on automatic assembly line
Material is sprayed, and when spraying is sprayed according to Wood-grain mould, forms stereo concave-convex sense, and sprayings coating layer thickness is more than 60um,
Color is arranged in pairs or groups according to production requirement and the wood grain name of an article；
Step 3: curing, passing through step 2, treated that aluminium section bar frame serves curing oven, is 160~190 degree into trip temperature,
Duration is the curing of 10~20 minutes, makes wood grain background color powder curing and is attached on aluminium shape surface；
Step 4: spray transfer powder, sprays transfer powder using electrostatic spraying mode on the aluminium shape surface Jing Guo step 3, spray thick
Degree is uniform；
Step 5: resolidification, curing oven is served by the aluminium section bar frame Jing Guo step 4, it is 150~180 degree into trip temperature, continues
Temperature is the curing of 15~20 minutes, and transfer powder is made to be attached to aluminium shape surface；
Step 6: packaging transfer printing wood grain film, selects corresponding transfer film according to the cross-sectional area of aluminium section bar, is printed on wood on transfer film
Transfer film is packaged on the aluminium section bar handled by step 5 by line, then transfer film is wrapped in aluminium profiles by automatic packaging machine
The outer surface of material；
Step 7: vacuumizing overlay film, vacuum extractor is loaded onto at transfer film both ends open packaged after step 6, is beaten
It opens vacuum pumping valve behind the door, tucks in the wrinkle part of transfer film from the centre position of aluminium section bar toward both ends flat, make each of aluminium section bar
It is adjacent at bumps with transfer film, transfer film corrugationless is made to be coated on the surface of aluminium section bar；
Step 8: thermal transfer cures, the aluminium section bar frame that transfer film is coated with by step 7 is served into curing oven, is into trip temperature
160~190 degree, the thermal transfer that the duration is 8~15 minutes cures, and penetrates into wood grain lines and the color transfer on transfer film
Onto the spray-on coating of aluminium section bar, after thermal transfer cures, aluminium section bar frame is gone out into curing oven, tears aluminium section bar table off after cooling
The blank overlay film in face.
2. a kind of aluminium section bar embossment wood grain process of surface treatment as described in claim 1, it is characterised in that：In the step 6
It needs the both ends of aluminium section bar being wrapped with papery adhesive tape before packing, prevents aluminium section bar both ends acute angle from puncturing transfer film, after packaging
Reserved weld bond width is in 2cm or so, it is ensured that weld bond fits, and gas leakage is generated when preventing from vacuumizing.
3. a kind of aluminium section bar embossment wood grain process of surface treatment as described in claim 1, it is characterised in that：In the step 3
Temperature for 180 degree, the duration is 15 minutes.
4. a kind of aluminium section bar embossment wood grain process of surface treatment as described in claim 1, it is characterised in that：In the step 5
Temperature for 170 degree, the duration is 20 minutes.
5. a kind of aluminium section bar embossment wood grain process of surface treatment as described in claim 1, it is characterised in that：In the step 8
Temperature for 180 degree, the duration is 8 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155270.5A CN108212709A (en) | 2016-12-14 | 2016-12-14 | A kind of aluminium section bar embossment wood grain process of surface treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155270.5A CN108212709A (en) | 2016-12-14 | 2016-12-14 | A kind of aluminium section bar embossment wood grain process of surface treatment |
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| Publication Number | Publication Date |
|---|---|
| CN108212709A true CN108212709A (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611155270.5A Pending CN108212709A (en) | 2016-12-14 | 2016-12-14 | A kind of aluminium section bar embossment wood grain process of surface treatment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090755A (en) * | 2019-05-21 | 2019-08-06 | 佛山市南海正基木纹制品有限公司 | The production line and its production technology of wood grain aluminum |
| CN113459712A (en) * | 2020-03-30 | 2021-10-01 | 中亿丰罗普斯金铝业股份有限公司 | Vacuum transfer printing method of aluminum profile |
-
2016
- 2016-12-14 CN CN201611155270.5A patent/CN108212709A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090755A (en) * | 2019-05-21 | 2019-08-06 | 佛山市南海正基木纹制品有限公司 | The production line and its production technology of wood grain aluminum |
| CN113459712A (en) * | 2020-03-30 | 2021-10-01 | 中亿丰罗普斯金铝业股份有限公司 | Vacuum transfer printing method of aluminum profile |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180629 |