CN110576698A - Gold stamping processing technology for touch keyboard based on glass material - Google Patents
Gold stamping processing technology for touch keyboard based on glass material Download PDFInfo
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- CN110576698A CN110576698A CN201910800524.1A CN201910800524A CN110576698A CN 110576698 A CN110576698 A CN 110576698A CN 201910800524 A CN201910800524 A CN 201910800524A CN 110576698 A CN110576698 A CN 110576698A
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- Prior art keywords
- glass
- keyboard
- gold stamping
- temperature
- baking
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- 239000011521 glass Substances 0.000 title claims abstract description 134
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000010931 gold Substances 0.000 title claims abstract description 63
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 63
- 238000005516 engineering process Methods 0.000 title claims abstract description 22
- 239000000463 material Substances 0.000 title claims abstract description 22
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 37
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000741 silica gel Substances 0.000 claims abstract description 27
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000011049 filling Methods 0.000 claims abstract description 7
- 238000010285 flame spraying Methods 0.000 claims abstract description 7
- 238000010147 laser engraving Methods 0.000 claims abstract description 3
- 238000001035 drying Methods 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 13
- 230000001070 adhesive effect Effects 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 6
- 235000021355 Stearic acid Nutrition 0.000 claims description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 6
- 239000001506 calcium phosphate Substances 0.000 claims description 6
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 6
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 6
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 6
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 6
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 6
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 6
- 239000011118 polyvinyl acetate Substances 0.000 claims description 6
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 6
- 239000008117 stearic acid Substances 0.000 claims description 6
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 6
- 229940078499 tricalcium phosphate Drugs 0.000 claims description 6
- 229910000391 tricalcium phosphate Inorganic materials 0.000 claims description 6
- 235000019731 tricalcium phosphate Nutrition 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002269 spontaneous effect Effects 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 238000004321 preservation Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
- B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
- B44C1/1729—Hot stamping techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/22—Removing surface-material, e.g. by engraving, by etching
- B44C1/228—Removing surface-material, e.g. by engraving, by etching by laser radiation
Abstract
The invention discloses a gold stamping processing technology for a touch keyboard based on glass materials, which comprises the following operation steps: 1) the operating surface of the glass keyboard is upward and is placed in the mould for fixing; 2) carrying out intaglio pattern engraving on the operation surface of the glass touch keyboard by a laser engraving machine; 3) covering a gold stamping film on the intaglio pattern where the glass keyboard is positioned; 4) coating liquid silica gel on the whole surface of the glass keyboard, and placing the whole glass keyboard in a high-temperature tunnel kiln for baking; 5) filling glass powder in the groove in the engraved pattern of the glass keyboard; 6) then, a flame gun is used for aiming at the area where the engraved pattern is located to carry out flame spraying operation; 7) and (3) placing the glass keyboard treated in the step 6) in a high-temperature tunnel kiln for baking, then taking out, and cooling to room temperature. The whole device realizes that the gold stamping paper in the intaglio pattern is completely covered by the solidified glass powder, can avoid the gold stamping paper from being polluted, and can realize the attractiveness of the whole glass touch keyboard.
Description
Technical Field
The invention belongs to the technical field of glass surface gold stamping, and particularly relates to a gold stamping processing technology of a touch keyboard based on glass materials.
Background
with the continuous development of the existing technologies, the electronic technologies are used as the basis of the existing internet development and have important functions.
glass materials have been favored by designers due to their glittering and translucent characteristics. The key position of the keyboard is printed or etched on the glass plate, and then the finger is tracked by the camera, thereby realizing the input. With the continuous development of interactive technology, the glass plate is widely applied to the design of IT products.
The gold stamping process is to transfer an aluminum layer in the electrochemical aluminum to the surface of a printing stock by utilizing the principle of hot-pressing transfer to form a special metal effect, and because the main material used for gold stamping is the electrochemical aluminum foil, the gold stamping is also called as the electrochemical aluminum hot stamping. Electrochemical aluminum foils are typically constructed of multiple layers of material, often P E as the substrate, followed by a release coat, a color coat, a metal coat (aluminized), and a glue coat.
However, the glass panel has a single structure, the gold stamping technology can realize the design of various three-dimensional patterns, and the visual impact force of products can be greatly improved, but the gold stamping technology is not generally applied to glass materials, the glass panel with gold stamping is obtained by a relief printing relief method and then a sticker and a film pressing method, the gold stamping of the relief printing relief is easy to fall off, the gold stamping method of the intaglio relief is not fully disclosed, and the application prospect in the market is extremely wide.
Disclosure of Invention
aiming at the defects of the prior art, the invention aims to provide a gold stamping processing technology of a touch keyboard based on a glass material, which solves the defect of a gold stamping method of intaglio embossments on a glass panel in the prior art.
the purpose of the invention can be realized by the following technical scheme:
a gold stamping processing technology for a touch keyboard based on glass materials comprises the following operation steps:
1) the operating surface of the glass keyboard is upward and is placed in the mould for fixing;
2) carrying out intaglio pattern carving on the operation surface of the glass touch keyboard by a laser carving machine, then cleaning with clear water, drying, wiping and cleaning with absolute alcohol, and naturally drying;
3) Drying the surface of a gold stamping film, coating a layer of adhesive on the surface of the gold stamping film, covering the gold stamping film in a carved pattern on a keyboard operation panel, pressing the edges to enable the gold stamping film to completely cover the carved pattern, and standing for 1-2 hours;
4) Coating liquid silica gel on the whole surface of the glass keyboard, placing the whole glass keyboard in a high-temperature tunnel kiln for baking, gradually heating to 550 ℃, baking and preserving heat for 100-180 min, taking out, spontaneous combustion and air drying, and removing a liquid silica gel layer;
5) filling glass powder into the groove in the engraved pattern of the glass keyboard until the groove is completely covered, wherein the area covered by the glass powder and the surface of the peripheral glass keyboard are smooth;
6) then, a flame gun is used for aiming at the area where the carved pattern is located to carry out flame spraying operation until the glass powder and the groove where the carved pattern is located are mutually bonded to form a whole;
7) Covering the liquid silica gel layer on the surface of the glass keyboard processed in the step 6), then placing the glass keyboard in a high-temperature tunnel kiln for baking, gradually heating to 600 ℃, baking and preserving heat for 20-30 min, then taking out, and cooling to room temperature.
Further, the drying temperature in the step 2) is 40-50 ℃.
Further, the depth of the pattern engraved by the laser engraving machine adopted in the step 2) is less than 2 mm.
Further, the adhesive used in the step 3) is prepared by mixing polyvinyl acetate, hydroxypropyl methyl cellulose, stearic acid, tricalcium phosphate and dioctyl phthalate according to the weight part ratio of 10:2:2:3: 1.
Further, the temperature rise rate of the temperature rise in the step 4) is 25 ℃/min, and the temperature reduction rate after the baking is finished is 40 ℃/min.
Further, the flame temperature sprayed by the flame gun in the step 6) is less than 600 ℃, and the duration of spraying the flame on the glass powder in the groove of the engraved pattern is less than 0.2 s.
Further, the temperature rise rate of the temperature rise in the step 7) is 30 ℃/min, and the temperature reduction rate after the baking is finished is 40 ℃/min.
The invention has the beneficial effects that:
1. According to the gold stamping processing technology provided by the invention, the gold stamping paper is arranged in the intaglio engraving groove on the surface of the glass keyboard, then the area where the intaglio engraving is located is filled with the glass powder, and the area where the glass powder is located is sprayed with fire by a high-temperature spray gun for solidification, so that the gold stamping paper is completely covered, and the attractiveness of the whole glass touch control keyboard is ensured.
2. According to the gold stamping processing technology provided by the invention, the glass powder is filled in the area where the intaglio engraving is located, and the glass powder has relatively strong plasticity, so that the glass powder and the edge of the intaglio engraving groove can form a whole in a high-temperature environment, and the glass powder has high cohesiveness. Meanwhile, the whole production process reduces the protection of the high-temperature furnace on the whole glass keyboard panel by covering the liquid silica gel, and prevents the deformation caused by local overheating.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of the overall control flow of the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
As shown in fig. 1: the embodiment of the invention provides a gold stamping processing technology for a touch keyboard based on a glass material, which comprises the following operation steps:
1) the operating surface of the glass keyboard is upward and is placed in the mould for fixing.
2) Carrying out intaglio pattern carving on the operation surface of the glass touch keyboard by a laser carving machine, wherein the pattern depth is 1.7mm, then carrying out clear water cleaning, drying at the temperature of 40 ℃, wiping and cleaning by using absolute alcohol until naturally drying, and clearing impurities in the intaglio pattern.
3) Drying the surface of the gold stamping film, coating a layer of adhesive on the surface of the gold stamping film, covering the gold stamping film in the engraved pattern on the keyboard operation panel, pressing the edges to enable the gold stamping film to be completely covered in the engraved pattern, and standing for 1.5 hours; wherein the adhesive is prepared by mixing polyvinyl acetate, hydroxypropyl methylcellulose, stearic acid, tricalcium phosphate and dioctyl phthalate according to the weight part of 10:2:2:3: 1.
The bronzing film can be completely covered in the intaglio pattern by the adhesive.
4) coating liquid silica gel on the whole surface of a glass keyboard, placing the whole glass keyboard in a high-temperature tunnel kiln for baking, wherein the temperature rise rate of temperature rise is 25 ℃/min, gradually raising the temperature to 550 ℃, baking and preserving the heat for 100min, cooling at the rate of 40 ℃/min after baking is finished, taking out the glass keyboard for spontaneous combustion and drying, and removing a surface liquid silica gel layer, at the moment, the high temperature enables a gold stamping film to completely cover a gravure pattern, excessive air in a gap between the gold stamping film and the gravure pattern is reduced, meanwhile, the liquid silica gel covers the surface of the glass keyboard, and when the glass keyboard is baked in the high-temperature tunnel kiln, the deformation of the surface of the whole glass keyboard caused by nonuniform local heating is reduced.
5) And filling glass powder into the grooves in the engraved patterns of the glass keyboard until the grooves are completely covered, wherein the areas covered by the glass powder and the surfaces of the glass keyboard at the periphery are smooth.
6) and then, a flame gun is used for carrying out flame spraying operation aiming at the area where the engraved pattern is located, the temperature of flame sprayed by the middle flame gun is less than 600 ℃, the duration of the flame sprayed on the glass powder in the groove of the engraved pattern is less than 0.2s, the glass powder and the groove where the engraved pattern is located are bonded with each other to form a whole, and the area covered by the glass powder and the surface of the peripheral glass keyboard are smooth, so that the glass powder can be kept smooth with the surface of the connected glass keyboard after being burned and solidified again, and the gold stamping film in the intaglio pattern has a three-dimensional effect.
7) Covering the liquid silica gel layer on the surface of the glass keyboard processed in the step 6), then placing the glass keyboard in a high-temperature tunnel kiln for baking, wherein the temperature rise rate of temperature rise is 30 ℃/min, the temperature gradually rises to 600 ℃, the baking and heat preservation time is 30min, after baking is finished, the temperature is reduced at the rate of 40 ℃/min, then taking out the glass keyboard, cooling the glass keyboard to the room temperature, removing the silica gel layer on the surface, and the silica gel layer can play a certain role in protecting the glass keyboard panel.
Example 2:
the embodiment of the invention provides a gold stamping processing technology for a touch keyboard based on a glass material, which comprises the following operation steps:
1) the operating surface of the glass keyboard is upward and is placed in the mould for fixing.
2) Carrying out intaglio pattern carving on the operation surface of the glass touch keyboard by a laser carving machine, wherein the depth position of the pattern is 1.6mm, then carrying out clear water cleaning, drying at the temperature of 44 ℃, wiping and cleaning by using absolute alcohol until the pattern is naturally dried.
3) Drying the surface of the gold stamping film, coating a layer of adhesive on the surface of the gold stamping film, covering the gold stamping film in the engraved pattern on the keyboard operation panel, pressing the edges to enable the gold stamping film to be completely covered in the engraved pattern, and standing for 1.2 hours; wherein the adhesive is prepared by mixing polyvinyl acetate, hydroxypropyl methylcellulose, stearic acid, tricalcium phosphate and dioctyl phthalate according to the weight part of 10:2:2:3: 1.
4) Coating liquid silica gel on the whole surface of the glass keyboard, placing the whole glass keyboard in a high-temperature tunnel kiln for baking, wherein the temperature rise rate of temperature rise is 25 ℃/min, gradually raising the temperature to 550 ℃, baking and preserving heat for 100min, cooling at the rate of 40 ℃/min after baking is finished, taking out, spontaneously combusting and drying, and removing the liquid silica gel layer on the surface.
5) And filling glass powder into the grooves in the engraved patterns of the glass keyboard until the grooves are completely covered, wherein the areas covered by the glass powder and the surfaces of the glass keyboard at the periphery are smooth.
6) And then, a flame gun is used for carrying out flame spraying operation aiming at the area where the carved pattern is located, wherein the temperature of flame sprayed by the flame gun is less than 600 ℃, and the duration of the flame sprayed on the glass powder in the groove of the carved pattern is less than 0.2s, so that the glass powder and the groove where the carved pattern is located are bonded with each other to form a whole.
7) covering the liquid silica gel layer on the surface of the glass keyboard processed in the step 6), then placing the glass keyboard in a high-temperature tunnel kiln for baking, wherein the temperature rise rate of temperature rise is 30 ℃/min, the temperature gradually rises to 600 ℃, the baking and heat preservation time is 30min, after baking is finished, the temperature is reduced at the rate of temperature reduction rate of 40 ℃/min, then taking out, cooling to the room temperature, and removing the silica gel layer on the surface.
Example 3:
the embodiment of the invention provides a gold stamping processing technology for a touch keyboard based on a glass material, which comprises the following operation steps:
1) The operating surface of the glass keyboard is upward and is placed in the mould for fixing.
2) Carrying out intaglio pattern carving on the operation surface of the glass touch keyboard by a laser carving machine, wherein the depth position of the pattern is 2.0mm, then carrying out clear water cleaning, drying at the temperature of 50 ℃, wiping and cleaning by using absolute alcohol, and naturally airing.
3) drying the surface of the gold stamping film, coating a layer of adhesive on the surface of the gold stamping film, covering the gold stamping film in the engraved pattern on the keyboard operation panel, pressing the edges to enable the gold stamping film to be completely covered in the engraved pattern, and standing for 2 hours; wherein the adhesive is prepared by mixing polyvinyl acetate, hydroxypropyl methylcellulose, stearic acid, tricalcium phosphate and dioctyl phthalate according to the weight part of 10:2:2:3: 1.
4) coating liquid silica gel on the whole surface of the glass keyboard, placing the whole glass keyboard in a high-temperature tunnel kiln for baking, wherein the temperature rise rate of temperature rise is 25 ℃/min, gradually raising the temperature to 550 ℃, baking and preserving heat for 100min, cooling at the rate of 40 ℃/min after baking is finished, taking out, spontaneously combusting and drying, and removing the liquid silica gel layer on the surface.
5) and filling glass powder into the grooves in the engraved patterns of the glass keyboard until the grooves are completely covered, wherein the areas covered by the glass powder and the surfaces of the glass keyboard at the periphery are smooth.
6) And then, a flame gun is used for carrying out flame spraying operation aiming at the area where the carved pattern is located, wherein the temperature of flame sprayed by the flame gun is less than 600 ℃, and the duration of the flame sprayed on the glass powder in the groove of the carved pattern is less than 0.2s, so that the glass powder and the groove where the carved pattern is located are bonded with each other to form a whole.
7) covering the liquid silica gel layer on the surface of the glass keyboard processed in the step 6), then placing the glass keyboard in a high-temperature tunnel kiln for baking, wherein the temperature rise rate of temperature rise is 30 ℃/min, the temperature gradually rises to 600 ℃, the baking and heat preservation time is 30min, after baking is finished, the temperature is reduced at the rate of temperature reduction rate of 40 ℃/min, then taking out, cooling to the room temperature, and removing the silica gel layer on the surface.
Example 4:
The embodiment of the invention provides a gold stamping processing technology for a touch keyboard based on a glass material, which comprises the following operation steps:
1) The operating surface of the glass keyboard is upward and is placed in the mould for fixing.
2) Carrying out intaglio pattern carving on the operation surface of the glass touch keyboard by a laser carving machine, wherein the depth position of the pattern is 1.9mm, then carrying out clear water cleaning, drying at the temperature of 46 ℃, wiping and cleaning by using absolute alcohol, and naturally airing.
3) Drying the surface of the gold stamping film, coating a layer of adhesive on the surface of the gold stamping film, covering the gold stamping film in the engraved pattern on the keyboard operation panel, pressing the edges to enable the gold stamping film to be completely covered in the engraved pattern, and standing for 1 hour; wherein the adhesive is prepared by mixing polyvinyl acetate, hydroxypropyl methylcellulose, stearic acid, tricalcium phosphate and dioctyl phthalate according to the weight part of 10:2:2:3: 1.
4) Coating liquid silica gel on the whole surface of the glass keyboard, placing the whole glass keyboard in a high-temperature tunnel kiln for baking, wherein the temperature rise rate of temperature rise is 25 ℃/min, gradually raising the temperature to 550 ℃, baking and preserving heat for 100min, cooling at the rate of 40 ℃/min after baking is finished, taking out, spontaneously combusting and drying, and removing the liquid silica gel layer on the surface.
5) And filling glass powder into the grooves in the engraved patterns of the glass keyboard until the grooves are completely covered, wherein the areas covered by the glass powder and the surfaces of the glass keyboard at the periphery are smooth.
6) and then, a flame gun is used for carrying out flame spraying operation aiming at the area where the carved pattern is located, wherein the temperature of flame sprayed by the flame gun is less than 600 ℃, and the duration of the flame sprayed on the glass powder in the groove of the carved pattern is less than 0.2s, so that the glass powder and the groove where the carved pattern is located are bonded with each other to form a whole.
7) Covering the liquid silica gel layer on the surface of the glass keyboard processed in the step 6), then placing the glass keyboard in a high-temperature tunnel kiln for baking, wherein the temperature rise rate of temperature rise is 30 ℃/min, the temperature gradually rises to 600 ℃, the baking and heat preservation time is 30min, after baking is finished, the temperature is reduced at the rate of temperature reduction rate of 40 ℃/min, then taking out, cooling to the room temperature, and removing the silica gel layer on the surface.
In summary, according to the gold stamping processing technology for the touch keyboard based on the glass material, the intaglio patterns are formed on the surface of the glass keyboard, and then the grooves in the intaglio patterns are filled with the glass powder, so that the glass powder and the edges of the intaglio engraving grooves can form a whole under a high-temperature environment due to relatively strong plasticity of the glass powder, and the gold stamping processing technology has high cohesiveness. The golden paper is completely covered, the attractiveness of the whole glass touch keyboard is guaranteed, the golden paper can be protected from being polluted, and the durability of the product is improved. Meanwhile, the whole production process reduces the protection of the high-temperature furnace on the whole glass keyboard panel by covering the liquid silica gel, and prevents the deformation caused by local overheating.
in the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (7)
1. A gold stamping processing technology for a touch keyboard based on glass materials is characterized by comprising the following operation steps:
1) The operating surface of the glass keyboard is upward and is placed in the mould for fixing;
2) Carrying out intaglio pattern carving on the operation surface of the glass touch keyboard by a laser carving machine, then cleaning with clear water, drying, wiping and cleaning with absolute alcohol, and naturally drying;
3) Drying the surface of a gold stamping film, coating a layer of adhesive on the surface of the gold stamping film, covering the gold stamping film in a carved pattern on a keyboard operation panel, pressing the edges to enable the gold stamping film to completely cover the carved pattern, and standing for 1-2 hours;
4) coating liquid silica gel on the whole surface of the glass keyboard, placing the whole glass keyboard in a high-temperature tunnel kiln for baking, gradually heating to 550 ℃, baking and preserving heat for 100-180 min, taking out, spontaneous combustion and air drying, and removing a liquid silica gel layer;
5) Filling glass powder into the groove in the engraved pattern of the glass keyboard until the groove is completely covered, wherein the area covered by the glass powder and the surface of the peripheral glass keyboard are smooth;
6) Then, a flame gun is used for aiming at the area where the carved pattern is located to carry out flame spraying operation until the glass powder and the groove where the carved pattern is located are mutually bonded to form a whole;
7) Covering the liquid silica gel layer on the surface of the glass keyboard processed in the step 6), then placing the glass keyboard in a high-temperature tunnel kiln for baking, gradually heating to 600 ℃, baking and preserving heat for 20-30 min, then taking out, and cooling to room temperature.
2. The gold stamping processing process for the touch control keyboard based on the glass material as claimed in claim 1, wherein the drying temperature in the step 2) is 40-50 ℃.
3. The gold stamping process for a touch control keyboard based on a glass material as claimed in claim 1, wherein the depth of the pattern engraved by the laser engraving machine adopted in the step 2) is less than 2 mm.
4. the gold stamping process for the glass-based touch keyboard according to claim 1, wherein the adhesive used in the step 3) comprises polyvinyl acetate, hydroxypropyl methylcellulose, stearic acid, tricalcium phosphate and dioctyl phthalate in parts by weight of 10:2:2:3: 1.
5. The gold stamping processing technology for the touch control keyboard based on the glass material as claimed in claim 1, wherein the temperature rise rate of the temperature rise in the step 4) is 25 ℃/min, and the temperature drop rate after the baking is completed is 40 ℃/min.
6. The gold stamping process for the glass-based touch keyboard according to claim 1, wherein the temperature of the flame sprayed by the flame gun in the step 6) is less than 600 ℃, and the duration of spraying the flame on the glass powder in the groove of the engraved pattern is less than 0.2 s.
7. The gold stamping processing technology for the touch control keyboard based on the glass material as claimed in claim 1, wherein the temperature rise rate of the temperature rise in the step 7) is 30 ℃/min, and the temperature drop rate after the baking is completed is 40 ℃/min.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114425920A (en) * | 2022-03-21 | 2022-05-03 | 东莞市广正模具塑胶有限公司 | Shell surface treatment process adopting laser etching and gold stamping technologies |
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| CN1117448A (en) * | 1994-08-22 | 1996-02-28 | 钱宏毅 | Process and products for decalcomania glass for room decoration purpose |
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