CN114228384A - Preparation method of mobile phone back plate with gradually-changed three-dimensional pattern - Google Patents

Preparation method of mobile phone back plate with gradually-changed three-dimensional pattern Download PDF

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Publication number
CN114228384A
CN114228384A CN202111582316.2A CN202111582316A CN114228384A CN 114228384 A CN114228384 A CN 114228384A CN 202111582316 A CN202111582316 A CN 202111582316A CN 114228384 A CN114228384 A CN 114228384A
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mobile phone
gradient color
gradually
pattern
changed
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CN202111582316.2A
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Chinese (zh)
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吴建晓
张伦玉
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Guangdong ATC Technology Co Ltd
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Guangdong ATC Technology Co Ltd
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Priority to CN202111582316.2A priority Critical patent/CN114228384A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00—Processes for producing special ornamental bodies
    • B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
    • 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
    • B44C1/225—Removing surface-material, e.g. by engraving, by etching by engraving
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Toxicology (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Telephone Set Structure (AREA)

Abstract

The invention discloses a preparation method of a mobile phone back plate with gradually-changed three-dimensional patterns, which comprises the following steps of S1, initially forming a back plate base material; s2, cleaning and drying the base material of the back plate of the mobile phone; s3, carrying out fine engraving processing on the three-dimensional patterns; s4, secondary cleaning and drying; s5, processing the gradient colors of the three-dimensional patterns; s6, processing a texture layer; s7, hardening treatment; and S8, cleaning to obtain the mobile phone back plate with the gradually-changed three-dimensional pattern. The mobile phone back plate is provided with the step protrusion structure formed by arranging the first groove, the first step protrusion, the second step protrusion and the central protrusion, the first pattern, the second pattern and the logo pattern are respectively carved on the surface of the step protrusion structure to obtain the three-dimensional pattern, then the first gradient color layer is formed on the surface of the first pattern, the second gradient color layer is formed on the surface of the second pattern, and the logo gradient color layer is formed on the surface of the logo pattern, so that the mobile phone back plate has the three-dimensional pattern with the gradient colors, the appearance display effect of the mobile phone back plate is improved, and the ornamental value is improved.

Description

Preparation method of mobile phone back plate with gradually-changed three-dimensional pattern
Technical Field
The invention relates to the technical field of mobile phone back plates, in particular to a method for preparing a mobile phone back plate with a gradually-changed three-dimensional pattern.
Background
In daily life, the cell-phone has become the indispensable communication instrument of people, along with the continuous renewal of cell-phone, people are more and more diversified to the demand of cell-phone, the cell-phone backplate is as one of the important part of cell-phone, people also pay attention to the requirement of its outward appearance more and more, the outward appearance of current cell-phone backplate is mostly single pure color, the color is dull, the user demand that the outward appearance effect is used for being difficult to satisfy, and the wear resistance of cell-phone backplate is relatively poor, the condition that mar or colour decline appear on cell-phone backplate surface can appear in long-time use, influence the outward appearance effect, and the pattern of current cell-phone backplate is mostly planar pattern, can't obtain the outward appearance effect of gradual change three-dimensional pattern, people's demand that need the cell-phone backplate of multi-color gradual change three-dimensional pattern outward appearance can not be satisfied.
Disclosure of Invention
The invention provides a method for preparing a mobile phone backboard with gradually-changed three-dimensional patterns, aiming at the defects of the prior art.
The technical scheme adopted by the invention for realizing the purpose is as follows:
a preparation method of a mobile phone backboard with gradually-changed three-dimensional patterns comprises the following steps:
s1, primary forming of a back plate base material: cutting the base material by cutting equipment to obtain a formed base material, and then performing pattern groove and hole site processing and edge burr polishing treatment on the formed base material by CNC equipment to obtain a mobile phone backboard base material;
s2, cleaning and drying a mobile phone backboard substrate: placing the mobile phone backboard substrate into ultrasonic cleaning equipment for cleaning, adding a cleaning agent into the ultrasonic cleaning equipment, and placing the mobile phone backboard into drying equipment for drying after the mobile phone backboard is cleaned;
s3, engraving and processing the three-dimensional patterns: the laser etching equipment carries out laser etching and fine engraving processing on a pattern groove, the pattern groove is formed by sequentially fine engraving a first groove, a first step bulge, a second step bulge and a central bulge from outside to a central position, the first groove, the first step bulge, the second step bulge and the central bulge form a step bulge structure, the laser etching equipment carries out fine engraving on the surface of the first step bulge, the surface of the second step bulge and the surface of the central bulge respectively to form a three-dimensional pattern, and a mobile phone backboard semi-finished product is obtained;
s4, secondary cleaning and drying: putting the semi-finished product of the mobile phone back plate into ultrasonic cleaning equipment for secondary cleaning, and putting the semi-finished product of the mobile phone back plate into drying equipment for drying treatment after cleaning;
s5, gradient color processing of the three-dimensional pattern: manufacturing a first gradient color ink, a second gradient color ink and a third gradient color ink, spraying the first gradient color ink to the surface of a first pattern through spraying equipment to form a first gradient color layer, spraying the second gradient color ink to the surface of a second pattern to form a second gradient color layer, spraying the third gradient color ink to the surface of a logo pattern to form a logo gradient color layer, putting a semi-finished product of the mobile phone backboard into baking equipment for baking and shaping after the spraying is finished, and cooling after the baking and shaping are finished;
s6, texture layer processing: transferring a texture layer on the surface of the semi-finished product of the mobile phone back panel outside the pattern groove by transfer printing equipment, wherein the texture layer is a UV texture layer;
s7, hardening treatment: coating transparent hardening liquid on the surface of the semi-finished product of the mobile phone back panel with the processed texture layer, and forming a transparent hardening layer after curing to obtain the mobile phone back panel with the gradually-changed three-dimensional pattern;
s8, cleaning to obtain the mobile phone back plate with the gradually-changed three-dimensional pattern: and (3) placing the semi-finished product of the mobile phone back plate after the hardening treatment in ultrasonic cleaning equipment for cleaning, and then drying to obtain the mobile phone back plate with the gradually-changed three-dimensional pattern.
The thickness of the mobile phone backboard substrate is 3-5 mm.
The thickness of the first gradient color layer, the thickness of the second gradient color layer and the thickness of the central logo gradient color layer are all 1-10 microns, a plurality of electroplated reflective particles are arranged in the first gradient color ink, the second gradient color ink and the third gradient color ink, and the size of the electroplated reflective particles is 0.2-1 micron.
With further improvement, the thickness of the texture layer in the step S6 is 5-10 μm.
Further improved, the baking temperature of the step S5 is 110-160 ℃.
In a further improvement, the baking time of the step S5 is 10-15 min.
The main components of the hardening liquid in the step S7 are 10 to 40 parts by weight of urethane acrylate oligomer, 10 to 40 parts by weight of self-repairing resin, 0.1 to 5 parts by weight of photoinitiator, 0.01 to 0.5 part by weight of leveling agent, and 40 to 80 parts by weight of solvent.
In a further improvement, the hardening time of the step S7 is 30-60S.
The further improvement is that the adhesive force of the hardened film is more than or equal to 5B in a Baige test, and the hardness is more than or equal to 3H.
The invention has the beneficial effects that: the invention adopts laser engraving equipment to perform laser engraving and finishing processing on a pattern groove, the pattern groove is sequentially engraved with a first groove, a first step bulge, a second step bulge and a central bulge from outside to the central position, the first groove, the first step bulge, the second step bulge and the central bulge form a step bulge structure, the laser engraving equipment is used for respectively performing finishing engraving on a first pattern, a second pattern and a logo pattern on the surface of the first step bulge, the surface of the second step bulge and the surface of the central bulge, so that a three-dimensional pattern is obtained, a first gradient color layer is respectively formed on the surface of the first pattern, a second gradient color layer is formed on the surface of the second pattern, and a logo gradient color layer is formed on the surface of the logo pattern, so that the mobile phone backboard has a gradient color three-dimensional pattern, the appearance display effect of the mobile phone backboard is improved, the ornamental value is greatly improved, and the first gradient ink color layer is formed on the surface of the mobile phone backboard, A plurality of electroplated reflective particles are added in the second gradient color ink and the third gradient color ink, so that the gradient color three-dimensional pattern has the appearance effect of starry sky gradient, and the appearance requirement of people for the multicolor gradient three-dimensional pattern is met; transparent hardening liquid through adopting polyurethane acrylate oligomer and selfreparing resin to constitute supports the sclerosis layer, when improving resistant scraping and wear resistance, the inside gradual change color ink of better protection can not receive influences such as light and lead to the condition appearance that the color is degenerated, improves the display life of gradual change color pattern, improves the life of cell-phone backplate greatly.
The invention is further described with reference to the following detailed description and accompanying drawings.
Drawings
Fig. 1 is a schematic flow chart of a manufacturing method of a mobile phone back plate with a gradually-changing three-dimensional pattern according to this embodiment.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
In an embodiment, referring to fig. 1, a method for manufacturing a mobile phone back plate with a gradually-changed three-dimensional pattern includes the following steps:
s1, primary forming of a back plate base material: cutting the base material by cutting equipment to obtain a formed base material, and then performing pattern groove and hole site processing and edge burr polishing treatment on the formed base material by CNC equipment to obtain a mobile phone backboard base material;
s2, cleaning and drying a mobile phone backboard substrate: placing the mobile phone backboard substrate into ultrasonic cleaning equipment for cleaning, adding a cleaning agent into the ultrasonic cleaning equipment, and placing the mobile phone backboard into drying equipment for drying after the mobile phone backboard is cleaned;
s3, engraving and processing the three-dimensional patterns: the laser etching equipment carries out laser etching and fine engraving processing on a pattern groove, the pattern groove is formed by sequentially fine engraving a first groove, a first step bulge, a second step bulge and a central bulge from outside to a central position, the first groove, the first step bulge, the second step bulge and the central bulge form a step bulge structure, the laser etching equipment carries out fine engraving on the surface of the first step bulge, the surface of the second step bulge and the surface of the central bulge respectively to form a three-dimensional pattern, and a mobile phone backboard semi-finished product is obtained;
s4, secondary cleaning and drying: putting the semi-finished product of the mobile phone back plate into ultrasonic cleaning equipment for secondary cleaning, and putting the semi-finished product of the mobile phone back plate into drying equipment for drying treatment after cleaning;
s5, gradient color processing of the three-dimensional pattern: manufacturing a first gradient color ink, a second gradient color ink and a third gradient color ink, spraying the first gradient color ink to the surface of a first pattern through spraying equipment to form a first gradient color layer, spraying the second gradient color ink to the surface of a second pattern to form a second gradient color layer, spraying the third gradient color ink to the surface of a logo pattern to form a logo gradient color layer, putting a semi-finished product of the mobile phone backboard into baking equipment for baking and shaping after the spraying is finished, and cooling after the baking and shaping are finished;
s6, texture layer processing: transferring a texture layer on the surface of the semi-finished product of the mobile phone back panel outside the pattern groove by transfer printing equipment, wherein the texture layer is a UV texture layer;
s7, hardening treatment: coating transparent hardening liquid on the surface of the semi-finished product of the mobile phone back panel with the processed texture layer, and forming a transparent hardening layer after curing to obtain the mobile phone back panel with the gradually-changed three-dimensional pattern;
s8, cleaning to obtain the mobile phone back plate with the gradually-changed three-dimensional pattern: and (3) placing the semi-finished product of the mobile phone back plate after the hardening treatment in ultrasonic cleaning equipment for cleaning, and then drying to obtain the mobile phone back plate with the gradually-changed three-dimensional pattern.
The thickness of the mobile phone backboard substrate is 3-5 mm.
The thickness of the first gradient color layer, the thickness of the second gradient color layer and the thickness of the central logo gradient color layer are all 1-10 microns, a plurality of electroplated reflective particles are arranged in the first gradient color ink, the second gradient color ink and the third gradient color ink, and the size of the electroplated reflective particles is 0.2-1 micron.
The thickness of the texture layer in the step S6 is 5-10 μm.
The baking temperature of the step S5 is 110-160 ℃.
The baking time of the step S5 is 10-15 min.
The hardening liquid in the step S7 mainly comprises 10 to 40 parts by weight of urethane acrylate oligomer, 10 to 40 parts by weight of self-repairing resin, 0.1 to 5 parts by weight of photoinitiator, 0.01 to 0.5 part by weight of leveling agent, and 40 to 80 parts by weight of solvent, and the hardening liquid is sufficiently stirred by a stirring device.
The hardening time of the step S7 is 30-60S.
The adhesive force of the hardened film is more than or equal to 5B in a Baige test, and the hardness is more than or equal to 3H.
The invention adopts laser engraving equipment to perform laser engraving and finishing processing on a pattern groove, the pattern groove is sequentially engraved with a first groove, a first step bulge, a second step bulge and a central bulge from outside to the central position, the first groove, the first step bulge, the second step bulge and the central bulge form a step bulge structure, the laser engraving equipment is used for respectively performing finishing engraving on a first pattern, a second pattern and a logo pattern on the surface of the first step bulge, the surface of the second step bulge and the surface of the central bulge, so that a three-dimensional pattern is obtained, a first gradient color layer is respectively formed on the surface of the first pattern, a second gradient color layer is formed on the surface of the second pattern, and a logo gradient color layer is formed on the surface of the logo pattern, so that the mobile phone backboard has a gradient color three-dimensional pattern, the appearance display effect of the mobile phone backboard is improved, the ornamental value is greatly improved, and the first gradient ink color layer is formed on the surface of the mobile phone backboard, A plurality of electroplated reflective particles are added in the second gradient color ink and the third gradient color ink, so that the gradient color three-dimensional pattern has the appearance effect of starry sky gradient, and the appearance requirement of people for the multicolor gradient three-dimensional pattern is met; transparent hardening liquid through adopting polyurethane acrylate oligomer and selfreparing resin to constitute supports the sclerosis layer, when improving resistant scraping and wear resistance, the inside gradual change color ink of better protection can not receive influences such as light and lead to the condition appearance that the color is degenerated, improves the display life of gradual change color pattern, improves the life of cell-phone backplate greatly.
The invention is not limited to the above embodiment, and other methods for manufacturing the mobile phone back plate with the gradually-changed three-dimensional pattern, which are obtained by adopting the same or similar structure, device, process or method as the above embodiment of the invention, are within the protection scope of the invention.

Claims (9)

1. A preparation method of a mobile phone backboard with gradually-changed three-dimensional patterns is characterized by comprising the following steps:
s1, primary forming of a back plate base material: cutting the base material by cutting equipment to obtain a formed base material, and then performing pattern groove and hole site processing and edge burr polishing treatment on the formed base material by CNC equipment to obtain a mobile phone backboard base material;
s2, cleaning and drying a mobile phone backboard substrate: placing the mobile phone backboard substrate into ultrasonic cleaning equipment for cleaning, adding a cleaning agent into the ultrasonic cleaning equipment, and placing the mobile phone backboard into drying equipment for drying after the mobile phone backboard is cleaned;
s3, engraving and processing the three-dimensional patterns: the laser etching equipment carries out laser etching and fine engraving processing on a pattern groove, the pattern groove is formed by sequentially fine engraving a first groove, a first step bulge, a second step bulge and a central bulge from outside to a central position, the first groove, the first step bulge, the second step bulge and the central bulge form a step bulge structure, the laser etching equipment carries out fine engraving on the surface of the first step bulge, the surface of the second step bulge and the surface of the central bulge respectively to form a three-dimensional pattern, and a mobile phone backboard semi-finished product is obtained;
s4, secondary cleaning and drying: putting the semi-finished product of the mobile phone back plate into ultrasonic cleaning equipment for secondary cleaning, and putting the semi-finished product of the mobile phone back plate into drying equipment for drying treatment after cleaning;
s5, gradient color processing of the three-dimensional pattern: manufacturing a first gradient color ink, a second gradient color ink and a third gradient color ink, spraying the first gradient color ink to the surface of a first pattern through spraying equipment to form a first gradient color layer, spraying the second gradient color ink to the surface of a second pattern to form a second gradient color layer, spraying the third gradient color ink to the surface of a logo pattern to form a logo gradient color layer, putting a semi-finished product of the mobile phone backboard into baking equipment for baking and shaping after the spraying is finished, and cooling after the baking and shaping are finished;
s6, texture layer processing: transferring a texture layer on the surface of the semi-finished product of the mobile phone back panel outside the pattern groove by transfer printing equipment, wherein the texture layer is a UV texture layer;
s7, hardening treatment: coating transparent hardening liquid on the surface of the semi-finished product of the mobile phone backboard with the processed texture layer, and forming a transparent hardening layer after curing;
s8, cleaning to obtain the mobile phone back plate with the gradually-changed three-dimensional pattern: and (3) placing the semi-finished product of the mobile phone back plate after the hardening treatment in ultrasonic cleaning equipment for cleaning, and then drying to obtain the mobile phone back plate with the gradually-changed three-dimensional pattern.
2. The method for preparing the mobile phone backboard with the gradually-changed three-dimensional pattern according to claim 1, wherein the method comprises the following steps: the thickness of the mobile phone backboard substrate is 3-5 mm.
3. The method for preparing the mobile phone backboard with the gradually-changed three-dimensional pattern according to claim 1, wherein the method comprises the following steps: the thickness of the first gradient color layer, the thickness of the second gradient color layer and the thickness of the central logo gradient color layer are all 1-10 microns, a plurality of electroplated reflective particles are arranged in the first gradient color ink, the second gradient color ink and the third gradient color ink, and the size of the electroplated reflective particles is 0.2-1 micron.
4. The method for preparing the mobile phone backboard with the gradually-changed three-dimensional pattern according to claim 1, wherein the method comprises the following steps: the thickness of the texture layer in the step S6 is 5-10 μm.
5. The method for preparing the mobile phone backboard with the gradually-changed three-dimensional pattern according to claim 1, wherein the method comprises the following steps: the baking temperature of the step S5 is 110-160 ℃.
6. The method for preparing the mobile phone backboard with the gradually-changed three-dimensional pattern according to claim 1, wherein the method comprises the following steps: the baking time of the step S5 is 10-15 min.
7. The method for preparing the mobile phone backboard with the gradually-changed three-dimensional pattern according to claim 1, wherein the method comprises the following steps: the main components of the hardening liquid in the step S7 are 10 to 40 weight parts of urethane acrylate oligomer, 10 to 40 weight parts of self-repairing resin, 0.1 to 5 weight parts of photoinitiator, 0.01 to 0.5 weight part of flatting agent and 40 to 80 weight parts of solvent.
8. The method for preparing the mobile phone backboard with the gradually-changed three-dimensional pattern according to claim 1, wherein the method comprises the following steps: the hardening time of the step S7 is 30-60S.
9. The method for preparing the mobile phone backboard with the gradually-changed three-dimensional pattern according to claim 1, wherein the method comprises the following steps: the adhesive force of the hardened film is more than or equal to 5B in a Baige test, and the hardness is more than or equal to 3H.
CN202111582316.2A 2021-12-22 2021-12-22 Preparation method of mobile phone back plate with gradually-changed three-dimensional pattern Pending CN114228384A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111582316.2A CN114228384A (en) 2021-12-22 2021-12-22 Preparation method of mobile phone back plate with gradually-changed three-dimensional pattern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111582316.2A CN114228384A (en) 2021-12-22 2021-12-22 Preparation method of mobile phone back plate with gradually-changed three-dimensional pattern

Publications (1)

Publication Number Publication Date
CN114228384A true CN114228384A (en) 2022-03-25

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