CN102814374B - A kind of refrigerator, for the sheet material of refrigerator and processing method thereof - Google Patents
A kind of refrigerator, for the sheet material of refrigerator and processing method thereof Download PDFInfo
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- CN102814374B CN102814374B CN201210278041.8A CN201210278041A CN102814374B CN 102814374 B CN102814374 B CN 102814374B CN 201210278041 A CN201210278041 A CN 201210278041A CN 102814374 B CN102814374 B CN 102814374B
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- refrigerator
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Abstract
The invention discloses a kind of refrigerator, for the sheet material of refrigerator and processing method thereof, the processing method of described sheet material, comprises the following steps: a) provide sheet material, and described sheet material is carried out embossing to obtain predetermined lines; B) electrostatic powder coating is carried out to the sheet material after embossing and form coating to make sheet material.According to the processing method of the sheet material of the embodiment of the present invention, the equipment investment of emebosser used and electrostatic powder coating production line is little, and cost is low, strong adaptability, especially to often needing the product changing color to be suitable for, and the method is simple to operate, easy enforcement, environmentally friendly.
Description
Technical field
The present invention relates to household electrical appliance preparing technical field, more specifically, the present invention relates to a kind of refrigerator, for the sheet material of refrigerator and processing method thereof.
Background technology
Vehicles Collected from Market upper part refrigerator has the side plate of the concavo-convex texture such as tangerine peel, dermatoglyph, this type of side plate sheet material generally obtains superficial makings by two kinds of methods, and one is by etching various lines to present different appearance by chemical method at coat of colo(u)r again after coating pigment on steel plate; Two is by the embossing of steel plate rolling, and make steel plate obtain decorative pattern by mechanical force rolling, steel plate carries out painted to its surface roller coating pigment after obtaining required lines again.
In two kinds of processing technologys that decorative pattern refrigerator side plate sheet material is existing, chemical method for etching technical difficulty is high and have certain pollution to environment, the second first suppress decorative pattern again roller coat pigment its roller coating technology of technique be only applicable to large-scale elementary stream continuous seepage, equipment investment is high, and complex process generally only has special steel material processing factory to possess production capacity.There is a common shortcoming in above two kinds of techniques, the process light plate face coat that namely sheet material is being shaped to side plate easily scratches generation defective products simultaneously.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or at least provides a kind of useful business to select.
For this reason, one object of the present invention is to propose the processing method that a kind of technique is simple, implement convenient, that equipment investment is little sheet material.
According to the processing method of the sheet material of the embodiment of the present invention, comprise the following steps: a) provide sheet material, and described sheet material is carried out embossing to obtain predetermined lines; B) electrostatic powder coating is carried out to the sheet material after embossing and form coating to make sheet material.
According to the processing method of the sheet material of the embodiment of the present invention, the equipment investment of emebosser used and electrostatic powder coating production line is little, and cost is low, strong adaptability, especially to often needing the product changing color to be suitable for, and the method is simple to operate, easy enforcement, environmentally friendly.
In addition, the processing method of sheet material according to the above embodiment of the present invention, can also have following additional technical characteristic:
According to one embodiment of present invention, described sheet material is cold-rolled steel sheet, galvanized steel plain sheet, aluminium sheet or aluminium alloy plate, and described sheet metal thickness is 0.3 ~ 1.0mm.
According to one embodiment of present invention, described step a) comprising: described sheet material is carried out rolling by the roller that line case is carved with on surface and carries out embossing.
According to one embodiment of present invention, described step b) comprises: b-1) toner is provided, and under high-pressure electrostatic effect, make described toner produce negative electrical charge, obtain electronegative sub-toner; B-2) spray on the sheet material of embossing by described electronegative sub-toner, described electronegative sub-toner is adsorbed in plate surface under electrostatic interaction; B-3) heat to make described toner generation cross-linking reaction to the sheet material being coated with toner thus form coating at plate surface.
According to one embodiment of present invention, described toner comprises epoxy resin, polyester resin or acrylic acid.
According to one embodiment of present invention, in step b-1) in, described high-pressure electrostatic is produced by electrostatic generator, and the voltage of described high-pressure electrostatic is 50kV ~ 120kV.
According to one embodiment of present invention, in step b-3) in, heating-up temperature is 150 ~ 300 DEG C.
According to one embodiment of present invention, before carrying out electrostatic powder coating, cutting processing is first carried out to obtain predetermined shape to the sheet material after embossing.
Another object of the present invention is to propose a kind of sheet material for refrigerator, and described sheet material is the sheet material of the processing method processing according to above-described embodiment.
Another object of the present invention is to propose a kind of refrigerator, and described refrigerator comprises casing and door body, and wherein, the sheet material that described casing and door body use is the sheet material for refrigerator according to above-described embodiment.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the processing method schematic diagram of sheet material according to an embodiment of the invention;
Fig. 2 is the processing method process chart of sheet material according to an embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Below with reference to the flow process described according to the processing method of the sheet material of the embodiment of the present invention.
As depicted in figs. 1 and 2, specifically comprise the following steps according to the processing method of the sheet material of the embodiment of the present invention:
A) provide sheet material, and described sheet material is carried out embossing to obtain predetermined lines;
B) electrostatic powder coating is carried out to the sheet material after embossing and form coating to make sheet material.
Thus, according to the processing method of the sheet material of the embodiment of the present invention, the equipment investment of emebosser used and electrostatic powder coating production line is little, cost is low, strong adaptability, especially to often needing the product changing color to be suitable for, and the method is simple to operate, easily implement, environmentally friendly.
Selection about described sheet material is not particularly limited, such as can for being usually used in the sheet material preparing refrigerator, preferably, according to one embodiment of present invention, described sheet material is cold-rolled steel sheet, galvanized steel plain sheet, aluminium sheet or aluminium alloy plate, and further, described sheet metal thickness is 0.3 ~ 1.0mm.
In step a), the method and apparatus that described sheet material carries out embossing is also not particularly limited, as long as the decorative pattern needed can be obtained by embossing, preferably, according to one embodiment of present invention, described sheet material is carried out rolling by the roller that line case is carved with on surface and carries out embossing, sheet material produces plastic deformation under the action of mechanical pressure exceeding its yield strength, thus makes plate surface obtain pattern or the lines of rod.
In step b), specifically can comprise carrying out electrostatic powder coating to the sheet material after embossing to make the step of sheet material formation coating:
B-1) provide toner, and under high-pressure electrostatic effect, make described toner produce negative electrical charge, obtain electronegative sub-toner;
B-2) spray on the sheet material of embossing by described electronegative sub-toner, described electronegative sub-toner is adsorbed in plate surface under electrostatic interaction;
B-3) heat to make described toner generation cross-linking reaction to the sheet material being coated with toner thus form coating at plate surface.
About described toner, it will be appreciated that, described toner is produce negative electrical charge under the high-voltage corona discharge electric field action that can produce at electrostatic generator, and cross-linking reaction can occur in a heated condition and form the macromolecular material of coating at plate surface.Preferably, according to one embodiment of present invention, the macromolecular material that it is main component that described toner comprises with epoxy resin or alkyd resin and acrylic acid.
Can comprise about the concrete operations making described toner produce negative electrical charge: toner is provided, described toner and compressed-air actuated mixture are sprayed to embossing plate surface by spray gun, spray gun spout direction is provided with electrostatic generator, the high-voltage corona that electrostatic generator produces can make toner and the air molecule ionization of its surrounding them, obtains the toner of electronegative son.Described voltage of electric field is preferably 50kV ~ 120kV, and the resistivity of toner is preferably 800 ~ 1300 Ω m/cm, and heating-up temperature is preferably 150 ~ 300 DEG C.
Described electronegative sub-toner can by spray gun spraying on the sheet material through embossing, and the method adopting spray gun spraying to those skilled in the art, is understandable.Described sheet material is ground connection in powder coating process.Thus, can form dense coating at plate surface, this coating has the features such as hardness is high, wear-resisting, planarization is good.
Consider to be formed after coating at plate surface and again the problem that processing and forming can cause the scuffing, collision etc. of plate surface coating to destroy is carried out to sheet material, according to one embodiment of present invention, before carrying out electrostatic powder coating, cutting processing is first carried out to obtain predetermined shape to the sheet material through embossing.Thus, adopt first by plate forming, carry out the method for electrostatic powder coating again, avoid sheet material destruction such as the scuffing of plate surface coating and collision in the process such as shearing, rolling and turnover transportation, reduce the fraction defective of product, even and if the parts with labyrinth also can adopt that this method is first shaping to be sprayed again, and the method is simple, practical, strong adaptability, is particularly useful for the product often needing to change color.
Because method for processing sheet material according to the above embodiment of the present invention has above-mentioned technique effect, therefore, process by above-mentioned method for processing sheet material the sheet material for refrigerator obtained and also there is corresponding technique effect.
Refrigerator according to an embodiment of the invention, described refrigerator comprises casing and door body, and wherein, the sheet material that described casing and door body use is the sheet material for refrigerator according to above-described embodiment.Because the sheet material for refrigerator according to the above embodiment of the present invention has above-mentioned technique effect, therefore, the refrigerator according to the embodiment of the present invention also has corresponding technique effect.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (8)
1. a processing method for sheet material, is characterized in that, comprises the following steps:
A) provide sheet material, and described sheet material is carried out embossing to obtain predetermined lines;
B) electrostatic powder coating is carried out to the sheet material after embossing and form coating to make sheet material, described sheet material is cold-rolled steel sheet, galvanized steel plain sheet, aluminium sheet or aluminium alloy plate, described sheet metal thickness is 0.3 ~ 1.0mm, wherein, carry out electrostatic powder coating before cutting processing is first carried out to obtain predetermined shape to the sheet material after embossing.
2. the processing method of sheet material according to claim 1, is characterized in that, described step a) comprising: described sheet material is carried out rolling by the roller that line case is carved with on surface and carries out embossing.
3. the processing method of sheet material according to claim 1, is characterized in that, described step b) comprising:
B-1) provide toner, and under high-pressure electrostatic effect, make described toner produce negative electrical charge, obtain electronegative sub-toner;
B-2) spray on the sheet material of embossing by described electronegative sub-toner, described electronegative sub-toner is adsorbed in plate surface under electrostatic interaction;
B-3) heat to make described electronegative sub-toner generation cross-linking reaction to the sheet material being coated with electronegative sub-toner thus form coating at plate surface.
4. the processing method of sheet material according to claim 3, is characterized in that, described toner comprises epoxy resin, polyester resin or acrylic acid.
5. the processing method of sheet material according to claim 3, is characterized in that, in step b-1) in, described high-pressure electrostatic is produced by electrostatic generator, and the voltage of described high-pressure electrostatic is 50kV ~ 120kV.
6. the processing method of sheet material according to claim 3, is characterized in that, in step b-3) in, heating-up temperature is 150 ~ 300 DEG C.
7. for a sheet material for refrigerator, it is characterized in that, described sheet material is the sheet material of the processing method processing according to any one of claim 1-6.
8. a refrigerator, is characterized in that, comprises casing and door body, and wherein, the sheet material that described casing and door body use is the sheet material for refrigerator according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278041.8A CN102814374B (en) | 2012-08-06 | 2012-08-06 | A kind of refrigerator, for the sheet material of refrigerator and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278041.8A CN102814374B (en) | 2012-08-06 | 2012-08-06 | A kind of refrigerator, for the sheet material of refrigerator and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN102814374A CN102814374A (en) | 2012-12-12 |
| CN102814374B true CN102814374B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210278041.8A Active CN102814374B (en) | 2012-08-06 | 2012-08-06 | A kind of refrigerator, for the sheet material of refrigerator and processing method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997583A (en) * | 2012-12-12 | 2013-03-27 | 合肥美的荣事达电冰箱有限公司 | Back plate used for refrigerator, and refrigerator provided with same |
| CN103017454A (en) * | 2012-12-26 | 2013-04-03 | 合肥华凌股份有限公司 | Refrigerator and method for making liner of refrigerator |
| CN105710613A (en) * | 2016-04-14 | 2016-06-29 | 浙江巨科新材料股份有限公司 | Manufacturing method of aluminum alloy box |
| CN106482569A (en) * | 2016-10-16 | 2017-03-08 | 合肥太通制冷科技有限公司 | A kind of anti-corrosion embossed aluminium board production technology |
| CN108691178B (en) * | 2017-03-31 | 2022-04-08 | Bsh家用电器有限公司 | Household appliance comprising at least one metal component |
| CN112076970A (en) * | 2020-07-09 | 2020-12-15 | 唐秦 | Electrostatic spraying method for mechanical supercharger |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901666A (en) * | 1987-06-24 | 1990-02-20 | Onoda Cement Company, Ltd. | Electrostatic powder coating device |
| EP1454674A1 (en) * | 2003-03-07 | 2004-09-08 | L'oreal | Method for electrostatically applying powder to a substrate, in particular a substrate with an irregular surface finish |
| US20120192610A1 (en) * | 2008-02-08 | 2012-08-02 | Nichias Corporation | Metallic Molded Sheet and Heat Shielding Cover |
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2012
- 2012-08-06 CN CN201210278041.8A patent/CN102814374B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901666A (en) * | 1987-06-24 | 1990-02-20 | Onoda Cement Company, Ltd. | Electrostatic powder coating device |
| EP1454674A1 (en) * | 2003-03-07 | 2004-09-08 | L'oreal | Method for electrostatically applying powder to a substrate, in particular a substrate with an irregular surface finish |
| US20120192610A1 (en) * | 2008-02-08 | 2012-08-02 | Nichias Corporation | Metallic Molded Sheet and Heat Shielding Cover |
Non-Patent Citations (1)
| Title |
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| 粉末静电喷涂工艺;侯猛;《现代涂料与涂装》;20040611(第2期);全文 * |
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| CN102814374A (en) | 2012-12-12 |
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| C06 | Publication | ||
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant after: Hefei Midea Refrigerator Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Applicant before: Hefei Media Rongshida Refrigerator Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. TO: HEFEI MIDEA REFRIGERATORCO., LTD. |
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