CN109186170B - Flexible touch door shell for refrigerator and production process thereof - Google Patents
Flexible touch door shell for refrigerator and production process thereof Download PDFInfo
- Publication number
- CN109186170B CN109186170B CN201811086367.4A CN201811086367A CN109186170B CN 109186170 B CN109186170 B CN 109186170B CN 201811086367 A CN201811086367 A CN 201811086367A CN 109186170 B CN109186170 B CN 109186170B
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- CN
- China
- Prior art keywords
- refrigerator door
- refrigerator
- door shell
- coating
- shell
- 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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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 40
- 239000011248 coating agent Substances 0.000 claims abstract description 38
- 238000005507 spraying Methods 0.000 claims abstract description 35
- 238000005187 foaming Methods 0.000 claims abstract description 20
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 17
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 16
- 229940098458 powder spray Drugs 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims abstract description 5
- 239000000049 pigment Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 239000011347 resin Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000005238 degreasing Methods 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000007590 electrostatic spraying Methods 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims description 2
- 239000002904 solvent Substances 0.000 abstract description 7
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 4
- 239000011247 coating layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/02—Doors; Covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/08—Parts formed wholly or mainly of plastics materials
- F25D23/082—Strips
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a flexible touch door shell for a refrigerator and a production process thereof, and relates to the technical field of household appliances. The invention comprises a refrigerator door shell, wherein a flexible touch powder spraying layer is sprayed on one surface of the refrigerator door shell; the other surface of the refrigerator door shell is provided with foaming polyurethane foam; the other surface of the foaming polyurethane foam is fixed with a refrigerator door liner; the refrigerator door shell, the foaming polyurethane foam and the refrigerator door inner container are fixed with refrigerator plastic door decorative strips on the side surfaces of the refrigerator door shell and the foaming polyurethane foam; the flexible tactile powder spray coating comprises solid resin, pigment, filler, auxiliary agent and flexible tactile powder coating. According to the invention, the powder spraying is free from using solvents, so that energy conservation and emission reduction are realized, the single-pass coating is high in utilization rate, the recycling and the cost optimization are realized, the user experience is improved by the flexible surface coating, and the problems of high environmental pollution and poor touch feeling of a refrigerator door due to the fact that the existing coating process is multi-layer spraying and using solvents are solved.
Description
Technical Field
The invention belongs to the technical field of household appliances, and particularly relates to a flexible touch door shell for a refrigerator and a production process thereof.
Background
The shell of the refrigerator door needs to keep certain color and surface protection function, and the appearance color and protection of the traditional PCM steel plate door of the refrigerator are mostly made of liquid paint. After 2-3 times of coating, up to 50-70% of solvent can volatilize, so that the environment is polluted, and meanwhile, the material utilization rate is 30-50%, and the waste rate is higher; the paint coating surface of the steel plate is hard and ice-cold, and has no fine and soft touch feeling. The fingerprint-proof effect of the paint coating surface of the steel plate is poor. With the increase of the consumption level, the refrigerator manufacturing industry and consumers have a demand for special effects and special functional surface treatment processes and product effects.
Disclosure of Invention
The invention aims to provide the flexible touch door shell for the refrigerator, which has the advantages that solvents are not used by powder spraying, energy conservation and emission reduction are realized, the single-channel coating is high in coating utilization rate, the cost control can be recycled and optimized, the user experience is improved by the flexible surface coating, and the problems of large environmental pollution and poor touch feeling of the refrigerator door caused by the fact that multiple layers of spraying are used in the existing coating process are solved.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a flexible touch door shell for a refrigerator, which comprises a refrigerator door shell, wherein a flexible touch powder spray coating is sprayed on one surface of the refrigerator door shell; the other surface of the refrigerator door shell is provided with foaming polyurethane foam; the refrigerator door liner is fixed on the other surface of the foaming polyurethane foam; the refrigerator plastic door trim is fixed on the side surfaces of the refrigerator door shell, the foaming polyurethane foam and the refrigerator door liner; the flexible touch powder spray coating comprises solid resin, pigment, filler, auxiliary agent and flexible touch powder coating; the soft touch powder spray coating is a hand touch powder coating, namely, on the basis of a solid powdery synthetic resin coating which is formed by common solid resin, pigment, filler and auxiliary agent, a novel hand touch powder coating formed by adding a soft formula is added, and the visual and tactile surfaces have the texture experience of leather, scratch resistance and fingerprint prevention; the powder coating used for the flexible touch powder spray coating is environment-friendly and is characterized by containing no solvent, no volatile organic matters, and the overspray coating can be recycled, has no pollution to the environment and meets the environment-friendly requirement of low emission; the color/metallic color protection layer can be formed by only one coating layer through one-time coating, the utilization rate of the coating is up to 95 percent, and the coating can be recycled, so that the coating has higher yield of production lines and more optimized cost control; the surface of the refrigerator steel plate door is a touch surface of a user, and the design of flexible touch has special touch effect and does not retain fingerprints.
Further, the thickness of the flexible tactile powder spray coating ranges from 40 to 120 microns; the refrigerator door shell has a thickness in the range of 400-800 microns.
Further, the refrigerator door shell is in a shape comprising square, rectangle, diamond, circle or irregular polygon.
Further, the refrigerator door shell is made of a steel plate or an aluminum plate, and is preferably an oil-removing and rust-removing cold-rolled steel plate.
The production process of the flexible touch door shell for the refrigerator comprises the following steps of:
forming an SS001 refrigerator door shell, and bending and stamping the refrigerator door shell to achieve the shape and the size of the refrigerator door shell;
the SS002 coating pretreatment, the refrigerator door shell is subjected to degreasing, rust removal and phosphating pretreatment processes, so that the adhesion effect in the spraying process is ensured;
SS003 spraying, namely placing the refrigerator door shell on a spraying device for coating;
and (3) assembling SS004, namely assembling the refrigerator door shell subjected to SS001-SS003 treatment and spraying with the refrigerator door liner and the refrigerator plastic door trim, and filling foaming polyurethane foam into the refrigerator door shell through a foaming process to form the flexible touch refrigerator door body.
Further, the spraying device comprises a corona electrostatic spraying or electrostatic fluidized bed.
The invention has the following beneficial effects:
1. the invention adopts the powder coating, does not contain volatile organic compounds, does not contain solvents, has no pollution to the environment, and is more environment-friendly.
2. The invention can form a colored or metallic protective layer by only one coating layer through one-time coating, has the coating utilization rate of up to 95 percent, can be recycled, and has higher yield of production lines and more optimized cost control.
3. The surface of the flexible touch powder spraying layer is a touch surface of a user, and the design of the flexible touch enhances the touch experience of the user.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a structure of a front side of a refrigerator door housing having a flexible tactile powder spray coating applied thereto;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
1-refrigerator door shell, 2-soft touch powder spray coating, 3-foaming polyurethane foam, 4-refrigerator door liner and 5-refrigerator plastic door trim.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the invention discloses a flexible touch door shell for a refrigerator, which comprises a refrigerator door shell 1, wherein a flexible touch powder spraying layer 2 is sprayed on one surface of the refrigerator door shell 1; the other surface of the refrigerator door shell 1 is provided with foaming polyurethane foam 3; the other surface of the foaming polyurethane foam 3 is fixed with a refrigerator door liner 4; the refrigerator door shell 1, the foaming polyurethane foam 3 and the refrigerator door liner 4 are fixed with refrigerator plastic door decorative strips 5 on the side surfaces of the periphery.
The soft touch powder spray coating 2 is a hand touch powder coating, namely, on the basis of a solid powdery synthetic resin coating which is formed by common solid resin, pigment, filler and auxiliary agent, a novel hand touch powder coating formed by a soft formula is added, and the visual and tactile surfaces have the texture experience of leather, scratch resistance and fingerprint prevention; the powder coating used for the flexible touch powder spray coating 2 is environment-friendly and is characterized by containing no solvent and volatile organic compounds, the overspray coating can be recycled, has no pollution to the environment and meets the environment-friendly requirement of low emission; the color/metallic color protection layer can be formed by only one coating layer through one-time coating, the utilization rate of the coating is up to 95 percent, and the coating can be recycled, so that the coating has higher yield of production lines and more optimized cost control; the surface of the refrigerator steel plate door is a touch surface of a user, the design of flexible touch has special effects, the attention of consumers can be attracted, and the market competitiveness of products is improved.
Wherein the thickness of the flexible tactile powder spray coating 2 is 100 micrometers.
Wherein the refrigerator door case 1 is rectangular in shape.
Wherein, the refrigerator door shell 1 is made of steel plate, preferably oil-removing and rust-removing cold-rolled steel plate, and the thickness of the steel plate is 0.5mm.
The production process of the flexible touch door shell for the refrigerator comprises the following steps of:
forming the SS001 refrigerator door shell 1, and bending and stamping the structural part of the refrigerator door shell 1 to achieve the required shape and size of the refrigerator door shell 1;
the SS002 coating pretreatment, the steel plate metal material in the refrigerator door shell 1 is designed through pretreatment, and the pretreatment process comprises degreasing, rust removal and phosphating process treatment for degreasing, rust removal and phosphating pretreatment processes, so that the adhesion effect in the spraying process is ensured;
SS003 spraying, namely placing the refrigerator door shell 1 on a spraying device for coating;
and (4) assembling SS004, namely assembling the refrigerator door shell 1 subjected to SS001-SS003 treatment and spraying with the refrigerator door liner 4 and the refrigerator plastic door decorative strip 5, and filling the refrigerator door shell with foaming polyurethane foam 3 through a foaming process to form the flexible touch refrigerator door body.
Wherein the spraying device is corona electrostatic spraying.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form 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 understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (1)
1. A flexible touch door shell for a refrigerator is characterized in that: the refrigerator door comprises a refrigerator door shell (1), wherein a flexible touch powder spraying layer (2) is sprayed on one surface of the refrigerator door shell (1); the other surface of the refrigerator door shell (1) is provided with foaming polyurethane foam (3); the refrigerator door liner (4) is fixed on the other surface of the foaming polyurethane foam (3); the refrigerator plastic door trim (5) is fixed on the side surfaces of the refrigerator door shell (1), the foaming polyurethane foam (3) and the refrigerator door liner (4); the flexible touch powder spray coating (2) comprises solid resin, pigment, filler, auxiliary agent and flexible touch powder coating;
the thickness of the flexible tactile powder spray coating (2) ranges from 40 to 120 microns;
the refrigerator door shell (1) is square, rectangular, diamond, round or irregular polygonal;
the refrigerator door shell (1) is made of steel plates or aluminum plates;
the production process of the flexible touch door shell for the refrigerator comprises the following steps of:
forming an SS001 refrigerator door shell (1), and bending and stamping structural parts of the refrigerator door shell (1);
SS002 coating pretreatment, degreasing, rust removal and phosphating pretreatment processes are carried out on the refrigerator door shell (1);
SS003 spraying, namely placing the refrigerator door shell (1) on a spraying device for coating;
assembling SS004, namely assembling a refrigerator door shell (1) subjected to SS001-SS003 treatment and spraying with a refrigerator door liner (4) and a refrigerator plastic door trim (5), and filling foaming polyurethane foam (3) through a foaming process to form a flexible touch refrigerator door body;
the spraying device comprises corona electrostatic spraying or an electrostatic fluidized bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811086367.4A CN109186170B (en) | 2018-09-18 | 2018-09-18 | Flexible touch door shell for refrigerator and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811086367.4A CN109186170B (en) | 2018-09-18 | 2018-09-18 | Flexible touch door shell for refrigerator and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109186170A CN109186170A (en) | 2019-01-11 |
| CN109186170B true CN109186170B (en) | 2023-12-15 |
Family
ID=64911787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811086367.4A Active CN109186170B (en) | 2018-09-18 | 2018-09-18 | Flexible touch door shell for refrigerator and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109186170B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336761A (en) * | 2020-03-12 | 2020-06-26 | 长虹美菱股份有限公司 | Light-emitting door shell for refrigerator and production process thereof |
| CN111482766A (en) * | 2020-03-27 | 2020-08-04 | 滁州市新康达金属制品有限公司 | Method for manufacturing door panel of multi-layer refrigerator stamping part |
| CN115183524A (en) * | 2022-07-18 | 2022-10-14 | 长虹美菱股份有限公司 | Soft-feel steel plate for manufacturing refrigerator door, refrigerator door and manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029401A (en) * | 2006-02-27 | 2007-09-05 | 徐州正菱涂装有限公司 | Pretreatment for coating iron and steel member |
| JP2008101805A (en) * | 2006-10-18 | 2008-05-01 | Matsushita Electric Ind Co Ltd | Refrigerator door |
| CN108375269A (en) * | 2018-04-02 | 2018-08-07 | 合肥美菱股份有限公司 | A kind of refrigerator door and its manufacturing process |
| CN209013589U (en) * | 2018-09-18 | 2019-06-21 | 长虹美菱股份有限公司 | A kind of refrigerator Soft touch door shell |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060103269A1 (en) * | 2004-07-23 | 2006-05-18 | Anthony, Inc. | Soft-coated glass pane refrigerator door construction and method of making same |
| KR102102642B1 (en) * | 2013-01-30 | 2020-04-21 | 엘지전자 주식회사 | Door for Refrigerator, Manufacturing Method for the same and Refrigerator |
-
2018
- 2018-09-18 CN CN201811086367.4A patent/CN109186170B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029401A (en) * | 2006-02-27 | 2007-09-05 | 徐州正菱涂装有限公司 | Pretreatment for coating iron and steel member |
| JP2008101805A (en) * | 2006-10-18 | 2008-05-01 | Matsushita Electric Ind Co Ltd | Refrigerator door |
| CN108375269A (en) * | 2018-04-02 | 2018-08-07 | 合肥美菱股份有限公司 | A kind of refrigerator door and its manufacturing process |
| CN209013589U (en) * | 2018-09-18 | 2019-06-21 | 长虹美菱股份有限公司 | A kind of refrigerator Soft touch door shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109186170A (en) | 2019-01-11 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jiang Feng Inventor after: Chen Shan Inventor before: Chen Shan Inventor before: Jiang Feng |