CN110614862A - Method for applying special ink to battery rear cover - Google Patents
Method for applying special ink to battery rear cover Download PDFInfo
- Publication number
- CN110614862A CN110614862A CN201910887327.8A CN201910887327A CN110614862A CN 110614862 A CN110614862 A CN 110614862A CN 201910887327 A CN201910887327 A CN 201910887327A CN 110614862 A CN110614862 A CN 110614862A
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- China
- Prior art keywords
- ink
- pet film
- rear cover
- printing
- texture
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- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/008—Sequential or multiple printing, e.g. on previously printed background; Mirror printing; Recto-verso printing; using a combination of different printing techniques; Printing of patterns visible in reflection and by transparency; by superposing printed artifacts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/12—Transfer pictures or the like, e.g. decalcomanias
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44F—SPECIAL DESIGNS OR PICTURES
- B44F1/00—Designs or pictures characterised by special or unusual light effects
- B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a method for applying special ink to a battery rear cover, which is characterized in that the special ink is printed and cured on the battery rear cover, the color change of a battery is sensed by utilizing the special characteristics of the special ink, the potential safety hazard of a user is prompted, and the corresponding change can be generated according to the influence of factors such as color and the like, so that the visual effect is improved.
Description
Technical Field
The invention relates to the technical field of application of special ink, in particular to a method for applying the special ink to a rear cover of a battery.
Background
Electronic products such as mobile phones and the like are used more and more frequently in lives of people at present, but batteries can generate heat after being used for a long time, the heat generation of the batteries influences the use safety, and at present, no better solution is provided. However, there are some special inks, and the inks themselves have some special characteristics, such as color change with temperature, color change with light, and the like. If a scheme exists, the special ink is solidified to the rear cover of the battery of electronic equipment such as a mobile phone and the like, the visual effect is improved on one hand by sensing the change of the temperature or illumination of the battery, and on the other hand, a user is reminded visually, the current service time of the battery is too long or potential safety hazards exist, so that the potential safety hazards in use of the battery are reduced as much as possible.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a method for applying special ink to a rear cover of a battery.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for applying special ink to a rear cover of a battery comprises the following steps:
firstly, adjusting engraving parameters of CNC equipment, engraving preset shapes and holes on a glass plate, and processing the engraved glass into curved glass;
secondly, coating the OCA optical pressure-sensitive adhesive on one surface of the curved glass;
thirdly, adjusting cutting parameters of CNC equipment, cutting the PET film material to a preset specification, and attaching the cut PET film to curved glass coated with OCA optical pressure-sensitive adhesive;
fourthly, printing special ink on the surface of the PET film material;
fifthly, carrying out UV transfer printing or texture photoetching on the surface of the PET film material;
sixthly, carrying out NCVM (non-volatile memory) electroplating on the PET film subjected to the UV transfer printing or the texture photoetching to form a protective film;
and seventhly, printing ink on the surface of the protective film.
The first step of adjusting engraving parameters of CNC equipment, engraving preset shapes and holes on a glass plate and processing the engraved glass into curved glass comprises the following steps of:
putting the carved glass into a graphite mold;
putting the graphite mould into a hot bending machine;
the glass is preheated, pressed and cooled by a hot bending machine to form the curved glass.
Wherein, the fifth step of carrying out UV transfer printing or texture photoetching on the surface of the PET film material comprises the following steps:
placing the PET film material in a texture mould to be rolled and molded from top to bottom;
UV light is adopted to enable the light-cured adhesive to transfer corresponding textures through UV;
and separating the PET film from the texture mold, and transferring the PET film onto the PET film through a grating.
Wherein, the coating thickness of OCA optical pressure sensitive adhesive in the second step of coating OCA optical pressure sensitive adhesive on one surface of curved glass is 25 um.
And in the third step, adjusting the cutting parameters of the CNC equipment, cutting the PET film to a preset specification, and attaching the cut PET film to the curved glass coated with the OCA optical pressure-sensitive adhesive, wherein the thickness of the PET film is 25-50 um.
Wherein, the printing thickness of the special printing ink in the step four, namely printing the special printing ink on the surface of the PET film material, is 2-3 um.
Wherein, the special ink comprises: transparent reversible ink, irreversible ink for diffusion, magnetic ink, scratch card ink, optically variable ink, infrared excitation ink, infrared absorption ink, conductive black ink, laser ink, watermark ink, mirror ink, day-light color-changing ink, temperature-changing ink, fragrant ink, noctilucent ink, pearlescent ink, ultraviolet invisible ink, desensitizing ink, sensitizing ink, chemical color-changing ink and pressure-sensitive color-changing ink.
Wherein, the line thickness is 7-15um in "carrying out UV rendition or texture photoetching to the surface of PET membrane material" of fifth step.
And in the sixth step, NCVM electroplating is carried out on the PET film material subjected to the UV transfer printing or the texture photoetching to form the protective film, wherein the thickness of the electroplated protective film in the protective film is 100-500 nm.
Wherein, the thickness of the printing ink in the seventh step of printing the ink on the surface of the protective film is 32-38 um.
Compared with the prior art, the invention has the beneficial effects that: the special ink is printed and solidified to the rear cover of the battery, the color change of the battery is sensed by utilizing the special characteristics of the special ink, the potential safety hazard of a user is prompted, and meanwhile, the corresponding change can be generated according to the influence of factors such as color and the like, so that the visual effect is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more apparent, the following detailed description will be given of preferred embodiments.
Drawings
FIG. 1 is a flow chart of a method for applying special ink of the present invention to a rear cover of a battery.
FIG. 2 is a sub-flow chart of a method for applying special ink of the present invention to a rear cover of a battery.
FIG. 3 is a sub-flow chart of a method for applying special ink of the present invention to a rear cover of a battery.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and the 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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 should not be understood to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
Referring to fig. 1 to 3, the present embodiment provides a method for applying special ink to a rear cover of a battery, which includes the following steps:
step S100, adjusting engraving parameters of CNC equipment, engraving preset shapes and holes on a glass plate, and processing the engraved glass into curved glass;
step S200, coating OCA optical pressure-sensitive adhesive on one surface of the curved glass;
step S300, adjusting cutting parameters of CNC equipment, cutting the PET film material to a preset specification, and attaching the cut PET film to curved glass coated with OCA optical pressure-sensitive adhesive;
step S400, printing special ink on the surface of the PET film material;
step S500, carrying out UV transfer printing or texture photoetching on the surface of the PET film material;
a sixth step S600 of carrying out NCVM electroplating on the PET film material subjected to the UV transfer printing or the texture photoetching to form a protective film;
the seventh step S700 is to perform ink printing on the surface of the protective film.
Referring to fig. 2 again, the first step S100 of adjusting the engraving parameters of the CNC equipment, engraving the glass plate with the preset shape and the preset hole, and processing the engraved glass into the curved glass includes the following steps:
putting the carved glass into a graphite mold;
putting the graphite mould into a hot bending machine;
the glass is preheated, pressed and cooled by a hot bending machine to form the curved glass.
Referring to fig. 3 again, the fifth step S500 of performing UV transfer printing or texture lithography on the surface of the PET film includes the following steps:
placing the PET film material in a texture mould to be rolled and molded from top to bottom;
UV light is adopted to enable the light-cured adhesive to transfer corresponding textures through UV;
and separating the PET film from the texture mold, and transferring the PET film onto the PET film through a grating.
Wherein, the coating thickness of the OCA optical pressure-sensitive adhesive in the step S200 of coating the OCA optical pressure-sensitive adhesive on one surface of the curved glass is 25 um.
And in the third step S300, adjusting the cutting parameters of the CNC equipment, cutting the PET film to a preset specification, and attaching the cut PET film to the curved glass coated with the OCA optical pressure-sensitive adhesive, wherein the thickness of the PET film is 25-50 um.
Wherein, the printing thickness of the special printing ink in the step S400 of printing the special printing ink on the surface of the PET film material is 2-3 um.
Wherein, the special ink comprises: transparent reversible ink, irreversible ink for diffusion, magnetic ink, scratch card ink, optically variable ink, infrared excitation ink, infrared absorption ink, conductive black ink, laser ink, watermark ink, mirror ink, day-light color-changing ink, temperature-changing ink, fragrant ink, noctilucent ink, pearlescent ink, ultraviolet invisible ink, desensitizing ink, sensitizing ink, chemical color-changing ink and pressure-sensitive color-changing ink.
Wherein, the line thickness is 7-15um in the fifth step S500' carries out UV rendition or texture photoetching to the surface of PET membrane material.
In the sixth step S600 ", NCVM electroplating is performed on the PET film after the UV transfer or the texture lithography, so that the thickness of the electroplated protection film in the protection film formation" is 100-500 nm.
Wherein, the thickness of the printing ink in the seventh step S700 of performing ink printing on the surface of the protective film is 32 to 38 um.
The rear cover of the mobile phone battery generally adopts four types of plastics, metals, glass and ceramics, and the process of printing and curing special ink on the rear cover of the mobile phone battery is described below by taking a glass material as an example.
Firstly, presetting a carving program by CNC equipment, placing the CNC carved glass with the shape and the hole in a graphite mould, then placing the mould in a hot bending machine, and forming the glass into curved glass with the thickness of 0.5 mm-0.8 mm in the mould through preheating, profiling and cooling;
OCA optical pressure-sensitive adhesive is coated on the surface layer of the glass material and is attached to the next layer, and the thickness is 25 um;
when the mobile phone battery cover is made of glass, a PET sheet with the specified specification is cut by CNC equipment, the thickness of the PET sheet is 25 um-50 um, and a PET film is printed on the back of the quadric glass to form single color, double color or multiple colors; the printing thickness of the special ink is 2 um-3 um, and the special ink needs to be dried and baked after being printed; air drying for 30min, and baking for 30 min. For example, the sunlight-to-ink printing is firstly carried out screen printing and then UV screen printing; the ink is light in color in indoor environment, can excite various colors after being irradiated by ultraviolet rays of sunlight, can be recovered to be light in color after a light source is removed, can monitor the intensity of the ultraviolet light outdoors, and helps consumers to judge whether to take measures for protecting skin.
Then, UV transfer printing is carried out, texture photoetching is carried out, and the high-precision laser engraving process is carried out on the texture with the thickness of 10 um-12 um (the upper part and the lower part can float by 3 um); rolling and forming the sheet by a texture die in a top-down mode; the texture pressing method comprises the steps of rolling the texture in a top-down mode, using light-cured glue to transfer the texture into corresponding texture through UV light after rolling, separating a PET sheet from a texture die after curing, and transferring the PET sheet onto a glass explosion-proof membrane through a grating (generally made of PET materials), wherein the surface of the PET sheet is not deformed, the definition is high, the permanence is good, and the abrasion resistance and the transfer process have no pixel loss.
Then, NCVM electroplating is divided into vacuum transparent color plating and optical electroplating; the thickness is 100 nm-500 nm, the grain surface of the PET sheet material is upwards faced by the electroplating layer, vacuum electroplating is carried out in an electroplating furnace through a magnet, and the grain is protruded by the vacuum electroplating to match with the following printing process; carrying out optical electroplating after the vacuum electroplating is finished, and matching the physical reflection dazzling texture with the ground color; the ink covered behind has no effect after filling the texture in the front; after the electroplating is finished, covering a protective film on the electroplated layer; the electroplated optical film increases the abrasion resistance of the glass surface.
Finally, printing ink with the thickness of 32 um-38 um, blending a screen plate, performing a priming color covering process on the electroplated PET sheet, and performing priming color covering for 3 times through color printing; the cover bottom is used for protecting the cover bottom, shielding light and preventing radiation.
Compared with the prior art, the invention has the beneficial effects that: the special ink is printed and solidified to the rear cover of the battery, the color change of the battery is sensed by utilizing the special characteristics of the special ink, the potential safety hazard of a user is prompted, and meanwhile, the corresponding change can be generated according to the influence of factors such as color and the like, so that the visual effect is improved.
The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A method for applying special ink to a rear cover of a battery is characterized by comprising the following steps:
firstly, adjusting engraving parameters of CNC equipment, engraving preset shapes and holes on a glass plate, and processing the engraved glass into curved glass;
secondly, coating the OCA optical pressure-sensitive adhesive on one surface of the curved glass;
thirdly, adjusting cutting parameters of CNC equipment, cutting the PET film material to a preset specification, and attaching the cut PET film to curved glass coated with OCA optical pressure-sensitive adhesive;
fourthly, printing special ink on the surface of the PET film material;
fifthly, carrying out UV transfer printing or texture photoetching on the surface of the PET film material;
sixthly, carrying out NCVM (non-volatile memory) electroplating on the PET film subjected to the UV transfer printing or the texture photoetching to form a protective film;
and seventhly, printing ink on the surface of the protective film.
2. The method for applying special ink to the rear cover of a battery according to claim 1, wherein the first step of adjusting engraving parameters of a CNC device, engraving preset shapes and holes on a glass plate, and processing the engraved glass into curved glass comprises the following steps:
putting the carved glass into a graphite mold;
putting the graphite mould into a hot bending machine;
the glass is preheated, pressed and cooled by a hot bending machine to form the curved glass.
3. The method for applying special ink to the rear cover of the battery as claimed in claim 1, wherein the fifth step of performing UV transfer printing or texture lithography on the surface of the PET film comprises the following steps:
placing the PET film material in a texture mould to be rolled and molded from top to bottom;
UV light is adopted to enable the light-cured adhesive to transfer corresponding textures through UV;
and separating the PET film from the texture mold, and transferring the PET film onto the PET film through a grating.
4. The method for applying special ink to the rear cover of the battery according to claim 1, wherein the coating thickness of the OCA optical pressure-sensitive adhesive in the second step of coating the OCA optical pressure-sensitive adhesive on one surface of the curved glass is 25 μm.
5. The method for applying special ink to the rear cover of the battery according to claim 1, wherein the third step of adjusting the cutting parameters of the CNC equipment, cutting the PET film to a preset specification, and attaching the cut PET film to the curved glass coated with the OCA optical pressure sensitive adhesive has a thickness of 25-50 um.
6. The method for applying the special ink to the rear cover of the battery as claimed in claim 1, wherein the printing thickness of the special ink in the fourth step of printing the special ink on the surface of the PET film material is 2-3 um.
7. The method of applying specialty ink from claim 6 to a battery back cover, wherein specialty ink comprises: transparent reversible ink, irreversible ink for diffusion, magnetic ink, scratch card ink, optically variable ink, infrared excitation ink, infrared absorption ink, conductive black ink, laser ink, watermark ink, mirror ink, day-light color-changing ink, temperature-changing ink, fragrant ink, noctilucent ink, pearlescent ink, ultraviolet invisible ink, desensitizing ink, sensitizing ink, chemical color-changing ink and pressure-sensitive color-changing ink.
8. The method for applying the special ink to the rear cover of the battery as claimed in claim 1, wherein the thickness of the texture in the fifth step of performing UV transfer printing or texture lithography on the surface of the PET film is 7-15 um.
9. The method for applying special ink to the rear cover of the battery as claimed in claim 1, wherein the sixth step of performing NCVM electroplating on the PET film after UV transfer printing or texture lithography to form the protective film plated in the protective film has a thickness of 100-500 nm.
10. The method for applying special ink to the rear cover of the battery according to claim 1, wherein the thickness of the printing ink in the seventh step of ink-printing the surface of the protective film is 32-38 um.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910887327.8A CN110614862A (en) | 2019-09-19 | 2019-09-19 | Method for applying special ink to battery rear cover |
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| CN201910887327.8A CN110614862A (en) | 2019-09-19 | 2019-09-19 | Method for applying special ink to battery rear cover |
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| CN110614862A true CN110614862A (en) | 2019-12-27 |
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Application publication date: 20191227 |
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