CN115318591A - Process for forming multicolor textures on metal casting surface - Google Patents
Process for forming multicolor textures on metal casting surface Download PDFInfo
- Publication number
- CN115318591A CN115318591A CN202210941535.3A CN202210941535A CN115318591A CN 115318591 A CN115318591 A CN 115318591A CN 202210941535 A CN202210941535 A CN 202210941535A CN 115318591 A CN115318591 A CN 115318591A
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- metal casting
- coloring
- coloring liquid
- metal
- liquid
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- 238000005058 metal casting Methods 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000004040 coloring Methods 0.000 claims abstract description 81
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 239000012528 membrane Substances 0.000 claims abstract description 20
- 238000005498 polishing Methods 0.000 claims abstract description 9
- 239000003086 colorant Substances 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 239000002966 varnish Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000005238 degreasing Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 11
- 239000003973 paint Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006388 chemical passivation reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/065—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones
- B05D5/066—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones achieved by multilayers
-
- 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
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
-
- 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
- B05D1/32—Processes for applying liquids or other fluent materials using means for protecting parts of a surface not to be coated, e.g. using stencils, resists
- B05D1/322—Removable films used as masks
-
- 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
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate 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
- B05D3/04—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 exposure to gases
- B05D3/0493—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 exposure to gases using vacuum
-
- 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
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
- B05D5/061—Special surface effect
-
- 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
- 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
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/57—Three layers or more the last layer being a clear coat
- B05D7/574—Three layers or more the last layer being a clear coat at least some layers being let to dry at least partially before applying the next layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
- B05D2202/10—Metallic substrate based on Fe
- B05D2202/15—Stainless steel
-
- 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
- B05D2202/40—Metallic substrate based on other transition elements
- B05D2202/45—Metallic substrate based on other transition elements based on Cu
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a process for forming multicolor textures on the surface of a metal casting, which comprises the following steps: (1) preparing a coloring liquid: blending coloring liquid with various colors according to the requirement; (2) preparation before coloring: arranging a plurality of waterproof isolating membranes on the surface of the metal casting, wherein the areas covered by the waterproof isolating membranes form coloring isolating areas; (3) primary coloring: putting the metal casting attached with the waterproof isolating membrane into a vacuum tank; (4) secondary coloring: removing a part of the waterproof isolating membrane on the surface of the metal casting, and putting the metal casting into the vacuum tank again; (5) polishing: and polishing the metal casting subjected to twice coloring. The method has the advantages that the metal casting is selected as a carrier, the surface of the metal casting is naturally provided with the pits which are randomly distributed, the coloring liquid is adsorbed in the pits on the surface of the metal casting by utilizing vacuum, the coloring liquid in the pits is more, the adhesive force is strong, the color is bright, the coloring liquid on the surface of the metal casting outside the pits is light, and the integral visual effect with the contrast is formed.
Description
Technical Field
The invention relates to the field of surface treatment of metal base materials, in particular to a process for forming multicolor textures on the surface of a metal casting.
Background
At present, the surface treatment process of metal products mostly adopts the treatment processes of chemical oxidation, chemical passivation, chemical phosphorization, coating and the like, and the color is often single, the color of a picture surface lacks layering sense and variability, the color is not bright enough, and the artistic expression is not strong.
The existing process is to color the metal product by spraying, if the multi-color staggered texture effect is to be formed, the surface of the metal product needs to be in an uneven state, the depth of a concave is difficult to master, if the stamping process is difficult to control, waste products are difficult to avoid, in addition, as the coating is sprayed on the surface of the metal product, the adhesion force is small, if the adhesion force meets the requirement, the coating-drying process needs to be carried out, if the drying time is too short, the color is easy to fade, if the drying time is too long, the working hours are prolonged, and the processing efficiency is reduced.
Chinese patent publication No. CN102345125A discloses a method for forming multilayer patterns on the surface of a metal substrate, which comprises the following steps: forming at least two ink pattern layers with different thicknesses on the surface of the metal base material, wherein the thickness of the thinnest ink pattern layer is a, and the thickness of the thickest ink pattern layer is z; placing the metal base material into etching solution for etching; the etching solution can simultaneously etch the ink pattern layer and the metal substrate, and the etched thickness of the thickest ink pattern layer is x; z > x > a; and washing off the residual ink pattern layer on the surface of the metal substrate to obtain the metal substrate with the surface provided with the multilayer patterns. The method needs to form at least two ink pattern layers with different thicknesses, and the process is tedious to operate and takes a long time.
The Chinese invention patent publication No. CN1058177A discloses an art vase, which is made of urea-formaldehyde resin, polyvinyl alcohol, plant fiber, etc. into a vase body, the priming paint is in a convex-concave shape, 5-10 layers of paints with different colors are coated on the priming paint, then polishing is carried out, the vase surface has ring-shaped and arc-shaped pattern with different colors, the paint of the patent is attached in the convex-concave shape by a coating way, the convex-concave shape is formed by coating black paint or resin on the black paint into uneven convex-concave surface layers, therefore, the distribution of the convex-concave shape is rough, which can affect the finally formed pattern, for example, the layers are not rich enough, and the circle-shaped pattern with different colors on the vase surface is not fine.
Disclosure of Invention
The invention aims to solve the technical problems that the existing metal product has the defects of not rich surface coloring layers, not fine and smooth color and complex operation, and provides a process for forming multicolor textures on the surface of a metal casting.
The first innovation point of the invention is that the metal casting is selected as the carrier, the characteristic that the surface of the metal casting is not smooth is utilized, the pit surface is naturally formed without processing, and the pit surfaces are randomly distributed, thereby laying a foundation for the color expression of subsequent coloring.
The invention has another innovation point that the coloring liquid firstly enters the pits on the surface of the metal casting to fill the pits in the vacuum state, the process is automatically completed without manual interference, the operation of spraying or brushing is omitted, the labor intensity is reduced, and the coloring effect is better than that of spraying or brushing.
The invention has an innovation point that the waterproof isolating membrane is used for manufacturing the coloring blind area, so that the coloring layers in the blind area are inconsistent, and compared with the area outside the blind area, the color contrast can be more prominent, and the color expressive force is also improved.
The technical scheme of the invention is as follows: a process for forming a multi-color texture on a metal casting surface comprising the steps of: (1) preparation of a coloring liquid: blending coloring liquid with various colors according to the requirement; (2) preparation before coloring: arranging a plurality of waterproof isolation films on the surface of the metal casting, wherein a coloring isolation region is formed in a region covered by the waterproof isolation films; (3) primary coloring: putting the metal casting attached with the waterproof isolating film into a vacuum tank, vacuumizing the vacuum tank, injecting a coloring liquid into the vacuum tank, enabling the liquid level of the coloring liquid to be higher than that of the metal casting, recovering the normal pressure after 3-5 min, taking out the metal casting, wiping the metal casting, and discharging the coloring liquid; (4) secondary coloring: removing a part of the waterproof isolating film on the surface of the metal casting, putting the metal casting into the vacuum tank again, injecting another coloring liquid into the vacuum tank to enable the liquid level of the coloring liquid to be higher than that of the metal casting, recovering the normal pressure after 3-5 min, taking out the metal casting, wiping the metal casting, and discharging the coloring liquid; (5) polishing: polishing the metal casting which is colored twice; (6) varnish sealing: spraying transparent varnish on the surface of the metal casting, and naturally drying or drying by an oven to obtain the metal product with multicolor textures.
The improvement of the scheme is that three times of coloring are carried out between the steps (4) and (5), wherein the three times of coloring comprise removing a part of a waterproof isolating membrane on the surface of the metal casting, putting the metal casting into a vacuum tank again, injecting another coloring liquid into the vacuum tank, enabling the liquid level of the coloring liquid to be higher than that of the metal casting, recovering the normal pressure after 3-5 min, taking out the metal casting and wiping the metal casting.
In the scheme, the waterproof isolating membrane is adhered to the surface of the metal casting through adhesion.
The further improvement of the scheme is that the step (2) is also preceded by surface pretreatment of the metal casting, and the surface pretreatment of the metal casting comprises degreasing, derusting and/or cleaning treatment of the surface.
The shape of the waterproof isolating membrane in the scheme is customized according to the requirement.
In the scheme, the metal casting is of a plane structure or a three-dimensional structure.
In the scheme, the metal casting is copper or stainless steel.
In the scheme, metal powder, mineral powder and fluorescent powder are added into the coloring liquid.
The method has the beneficial effects that the metal casting is selected as a carrier, the surface of the metal casting is naturally provided with the pits which are randomly distributed, the coloring liquid is adsorbed in the pits on the surface of the metal casting by utilizing vacuum, the coloring liquid in the pits is more, the adhesive force is strong, the color is bright, and the coloring liquid on the surface of the metal casting outside the pits is light, so that the integral visual effect with contrast is formed; the waterproof isolating membrane can be continuously reduced according to the adjustment of the coloring times, a plurality of areas with different color concentrations are manufactured, the areas form a color transition area, and the coloring effect is further refined.
Detailed Description
The technical solution of the present invention is clearly and completely described below with reference to the following embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments based on the embodiments in the present invention, without any inventive work, will be apparent to those skilled in the art from the following description.
Example 1: a process for forming a multi-color texture on a surface of a metal casting, comprising the steps of: (1) preparing a coloring liquid: blending red, black and yellow coloring liquid according to requirements; (2) preparation before coloring: arranging a plurality of waterproof isolation films on the surface of the metal casting, wherein a coloring isolation region is formed in a region covered by the waterproof isolation films; (3) primary coloring: placing the metal casting attached with the waterproof isolating film into a vacuum tank, vacuumizing the vacuum tank, injecting red coloring liquid into the vacuum tank, enabling the liquid level of the coloring liquid to be higher than that of the metal casting, recovering the normal pressure after 3-5 min, taking out the metal casting, wiping the metal casting to dry, and discharging the red coloring liquid; (4) secondary coloring: removing a part of the waterproof isolating membrane on the surface of the metal casting, putting the metal casting into a vacuum tank again, injecting black coloring liquid into the vacuum tank, enabling the liquid level of the coloring liquid to be higher than that of the metal casting, recovering the normal pressure after 3-5 min, taking out the metal casting, wiping the metal casting to dry, and discharging the black coloring liquid, wherein five color areas are formed on the surface of the metal casting at the moment, the first color area is an area covered with the waterproof isolating membrane and is the original color of the metal casting, the second color is a pit part in the area where the waterproof isolating membrane is just removed and is heavy black, the third color is a light black area in the area where the waterproof isolating membrane is just removed, the fourth color is a pit in primary coloring to form a red-black mixed color, and the fifth color is a smooth surface in primary coloring to form a light red-black mixed color; (5) coloring for three times: completely removing the waterproof isolating membrane on the surface of the metal casting, putting the metal casting into a vacuum tank again, injecting yellow coloring liquid into the vacuum tank, enabling the liquid level of the coloring liquid to be higher than that of the metal casting, recovering the normal pressure after 3-5 min, taking out the metal casting and wiping the metal casting to dry, forming six color areas on the surface of the metal casting at the moment, wherein the first color is a pit part in the area where the waterproof isolating membrane is just removed and is bright yellow, the second color is a light surface part in the area where the waterproof isolating membrane is just removed and is light yellow, the third color is a pit in primary coloring and forms a mixed color of red, black and yellow, the fourth color is a smooth surface in the primary coloring and forms a mixed color of light red, black and yellow, the fifth color is a pit in the secondary coloring and is dark black and mixed yellow, and the sixth color is a smooth surface part in the secondary coloring and is a mixed color of light black and light yellow; (6) polishing: polishing the metal casting subjected to the third coloring; (7) varnish sealing: spraying transparent varnish on the surface of the metal casting, and naturally drying or drying by an oven to obtain the metal product with multicolor textures.
Example 2: the difference from the example 1 is that the step (1) prepares the coloring liquid of red, black, yellow and blue colors, and the coloring liquid is colored for four times.
The invention utilizes the characteristic that the surface of the metal casting has the pits, colors the metal casting by utilizing the vacuum adsorption principle, has strong adhesion of the coloring liquid, has shorter vacuum adsorption time than the traditional spraying or coating time, and forms multi-level expressive force on the surface of the metal casting by gradually removing the waterproof isolating membrane. The color area is many, and the color expressive force is strong, and the level is abundant, and the artistic expressive force is strong.
The metal casting of the present invention is copper or stainless steel, other metals are not suitable. The metal casting can be a sheet, a block or a matrix, and any known form can be colored by the process, so that the process has wide application range. When in coloring, metal powder, mineral powder and fluorescent powder are added, and bright and colorful fluorescence can be generated at night after the color is shaped.
Claims (8)
1. The process for forming multicolor textures on the surface of a metal casting is characterized in that: the method comprises the following steps: (1) preparing a coloring liquid: blending coloring liquid with various colors according to the requirement; (2) preparation before coloring: arranging a plurality of waterproof isolation films on the surface of the metal casting, wherein a coloring isolation region is formed in a region covered by the waterproof isolation films; (3) primary coloring: putting the metal casting attached with the waterproof isolating film into a vacuum tank, vacuumizing the vacuum tank, injecting a coloring liquid into the vacuum tank, enabling the liquid level of the coloring liquid to be higher than that of the metal casting, recovering the normal pressure after 3-5 min, taking out the metal casting, wiping the metal casting, and discharging the coloring liquid; (4) secondary coloring: removing a part of the waterproof isolating membrane on the surface of the metal casting, putting the metal casting into a vacuum tank again, injecting another coloring liquid into the vacuum tank to enable the liquid level of the coloring liquid to be higher than that of the metal casting, recovering the normal pressure after 3-5 min, taking out the metal casting, wiping the metal casting, and discharging the coloring liquid; (5) polishing: polishing the metal casting which is colored twice; (6) varnish sealing: spraying transparent varnish on the surface of the metal casting, and naturally drying or drying by an oven to obtain the metal product with multicolor textures.
2. A process for forming multi-colored textures on a metal casting as claimed in claim 1, wherein: and (5) performing third coloring between the steps (4) and (5), wherein the third coloring comprises removing a part of the waterproof isolating film on the surface of the metal casting, putting the metal casting into the vacuum tank again, injecting another coloring liquid into the vacuum tank to enable the liquid level of the coloring liquid to be higher than that of the metal casting, recovering the normal pressure after 3-5 min, taking out the metal casting and drying the metal casting.
3. The process for forming multi-colored textures on a metal casting of claim 1, wherein: the waterproof isolating membrane is adhered to the surface of the metal casting through adhesion.
4. The process for forming multi-colored textures on a metal casting of claim 1, wherein: the method is characterized in that the method also comprises a step (2) of surface pretreatment of the metal casting, wherein the surface pretreatment of the metal casting comprises degreasing, derusting and/or cleaning treatment of the surface.
5. A process for forming multi-colored textures on a metal casting as claimed in claim 1, wherein: the shape of the waterproof isolating membrane is customized according to the requirement.
6. The process for forming multi-colored textures on a metal casting of claim 1, wherein: the metal casting is of a planar structure or a three-dimensional structure.
7. A process for forming multi-colored textures on a metal casting as claimed in claim 1, wherein: the metal casting is copper or stainless steel.
8. The process for forming multi-colored textures on a metal casting of claim 1, wherein: and metal powder, mineral powder and fluorescent powder are added into the coloring liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941535.3A CN115318591A (en) | 2022-08-08 | 2022-08-08 | Process for forming multicolor textures on metal casting surface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210941535.3A CN115318591A (en) | 2022-08-08 | 2022-08-08 | Process for forming multicolor textures on metal casting surface |
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| Publication Number | Publication Date |
|---|---|
| CN115318591A true CN115318591A (en) | 2022-11-11 |
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|---|---|---|---|
| CN202210941535.3A Pending CN115318591A (en) | 2022-08-08 | 2022-08-08 | Process for forming multicolor textures on metal casting surface |
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|---|---|---|---|---|
| CN1149511A (en) * | 1996-05-17 | 1997-05-14 | 广东真空设备厂股份有限公司 | Method for vacuum-impregnation building materials |
| JP2004283727A (en) * | 2003-03-20 | 2004-10-14 | Seiko Epson Corp | Coloring method and decorated article |
| CN101210338A (en) * | 2006-12-29 | 2008-07-02 | 深圳富泰宏精密工业有限公司 | Multi-color electrophoresis painting method |
| CN102677130A (en) * | 2012-05-08 | 2012-09-19 | 广东欧珀移动通信有限公司 | Dual-color electrophoretic process for metal surface |
| TW201428140A (en) * | 2013-01-07 | 2014-07-16 | Join Yen Technology Co Ltd | Multi-colored processing method for anodic oxidation film |
| CN106065490A (en) * | 2016-06-30 | 2016-11-02 | 九牧厨卫股份有限公司 | A kind of double-colored pattern electrophoresis method of metal surface |
| CN106245096A (en) * | 2016-06-30 | 2016-12-21 | 九牧厨卫股份有限公司 | A kind of trichroism pattern electrophoresis method of metal surface |
| CN107215137A (en) * | 2016-03-22 | 2017-09-29 | 金星铜集团有限公司 | A kind of technique for making multicolour cross lamination in metal surface |
| CN108300287A (en) * | 2017-09-11 | 2018-07-20 | 阜南县猛发工艺品有限公司 | A kind of wood product surface coating |
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2022
- 2022-08-08 CN CN202210941535.3A patent/CN115318591A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149511A (en) * | 1996-05-17 | 1997-05-14 | 广东真空设备厂股份有限公司 | Method for vacuum-impregnation building materials |
| JP2004283727A (en) * | 2003-03-20 | 2004-10-14 | Seiko Epson Corp | Coloring method and decorated article |
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