CN110877497A - 3D curved surface attaching decoration method - Google Patents
3D curved surface attaching decoration method Download PDFInfo
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- CN110877497A CN110877497A CN201911231668.6A CN201911231668A CN110877497A CN 110877497 A CN110877497 A CN 110877497A CN 201911231668 A CN201911231668 A CN 201911231668A CN 110877497 A CN110877497 A CN 110877497A
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- layer
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- 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
- B44C1/1716—Decalcomanias provided with a particular decorative layer, e.g. specially adapted to allow the formation of a metallic or dyestuff layer on a substrate unsuitable for direct deposition
Abstract
A3D curved surface fitting decoration method comprises the following steps: adhering transparent UV glue on the surface layer of the 3D curved surface to be decorated, baking the transparent UV glue to enable the transparent UV glue to be tightly adhered to the 3D curved surface to be decorated, carrying out precision positioning and adhering on a copying 3D mould with decorative textures and the curved surface to be decorated, transferring the texture patterns on the preset copying 3D mould to the transparent UV glue surface layer, curing the transparent UV glue by using ultraviolet light to obtain a texture layer, adhering an electroplated layer on the surface layer of the texture layer, and adhering a colored layer on the surface layer of the electroplated layer to obtain a 3D curved surface product with the finished decoration. Compared with the traditional decoration method, the 3D curved surface attaching decoration method can avoid the situation that the texture layer and the electroplated layer are torn due to uneven stretching of the decoration film in all directions, can be suitable for curved surfaces with three-dimensional structures, and achieves good effect in the practical application process.
Description
Technical Field
The invention relates to the technical field of processing and manufacturing, in particular to a 3D curved surface attaching and decorating method.
Background
With the development of scientific technology and the iterative update of products, the application range of decoration and explosion-proof protection of consumer electronic digital products, household appliances and parts inside and outside automobiles is more and more extensive, and the surfaces of the products are required to be decorated and protected against explosion.
In the above products, the substrate of the product to be decorated may be plastic, ceramic, transparent synthetic board, transparent PC, transparent glass, and in order to decorate the product to be decorated to obtain the texture decoration effects such as grating texture, glare texture, etc., the decoration texture including the texture is transferred onto the transparent film, and the processes of electroplating, silk-screen coloring, etc. are added on the transparent film to obtain the decoration film, and the decoration film is attached on the product to be decorated. However, the decoration method is only suitable for products to be decorated with a planar structure, and as curved materials with 3D structures are increasingly applied, when the decoration method is used for decorating curved surfaces of 3D structures, stretching of the decoration film in all directions is not uniform in regions with large bending angles, so that a texture layer and a plating layer in the decoration film are easily torn due to stretching of the decoration film, and a similar decoration effect cannot be obtained on the curved surfaces of 3D structures. Thus, the decoration method in the related art method cannot be applied to a curved surface having a 3D structure.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a 3D curved surface attaching decoration method, aiming at solving the problem that the decoration method in the prior art cannot decorate the curved surface with the 3D structure.
The invention is realized by the following technical scheme:
A3D curved surface fitting decoration method comprises the following steps:
uniformly attaching a layer of transparent UV glue on the surface layer of the curved surface to be decorated according to a preset attachment treatment method, wherein the curved surface to be decorated is a curved surface with a three-dimensional structure;
placing the curved surface to be decorated attached with the transparent UV glue in an oven with a preset temperature for baking for a preset time so that the transparent UV glue is tightly attached to the curved surface to be decorated;
precisely positioning and attaching a profiling 3D mold containing preset decorative textures to the curved surface to be decorated so as to attach and transfer the preset decorative textures to the surface layer of the transparent UV adhesive;
applying preset pressure on the upper surface of the profiling 3D mould, and placing the curved surface to be decorated and the profiling 3D mould in ultraviolet illumination with preset wavelength to cure the transparent UV glue to form a texture layer;
separating the curved surface to be decorated containing the texture layer from the profiling 3D mold, and then placing the curved surface to be decorated in vacuum for electroplating so as to attach an electroplating layer on the surface layer of the texture layer;
and attaching a coloring layer on the surface layer of the electroplated layer to obtain the decorated 3D curved surface product.
The 3D curved surface attaching decoration method comprises the following steps of spraying, curtain coating, electroplating, 3D film attaching or printing.
The 3D curved surface attaching decoration method is characterized in that the preset temperature is 40-100 ℃, and the preset time is 3-30 minutes.
The 3D curved surface attaching decoration method is characterized in that the preset pressure is 5-400 kilograms.
The 3D curved surface attaching decoration method is characterized in that the preset wavelength is 365-420 nanometers.
The 3D curved surface attaching decoration method comprises the following steps of:
and spraying decorative color paint on the surface layer of the electroplated layer to attach a coloring layer on the surface layer of the electroplated layer, thereby obtaining the decorated 3D curved surface product.
The 3D curved surface attaching decoration method comprises the following steps of:
and closely attaching a decorative film containing decorative colors to the surface layer of the electroplated layer so as to attach a colored layer to the surface layer of the electroplated layer, thereby obtaining the decorated 3D curved surface product.
The curved surface product is manufactured by the 3D curved surface fitting decoration method.
Has the advantages that:
according to the method, the transparent UV glue is attached to the surface layer of the 3D curved surface to be decorated, the transparent UV glue is baked to be tightly attached to the 3D curved surface to be decorated, the profiling 3D mould with the decorative texture and the curved surface to be decorated are precisely positioned and attached to transfer the texture patterns on the preset profiling 3D mould to the surface layer of the transparent UV glue, the transparent UV glue is cured by ultraviolet irradiation to obtain the texture layer, the electroplated layer is attached to the surface layer of the texture layer, and the colored layer is attached to the surface layer of the electroplated layer to obtain the 3D curved surface product with the finished decoration.
Drawings
Fig. 1 is a schematic flow chart of a 3D curved surface fitting decoration method of the present invention.
Detailed Description
The invention provides a 3D curved surface attaching decoration method, which is further described in detail below in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic flow chart of a 3D curved surface attaching decoration method of the present invention.
As shown in the figure, the 3D curved surface fitting decoration method comprises the steps of S110-S160.
And S110, uniformly attaching a layer of transparent UV glue on the surface layer of the curved surface to be decorated according to a preset attachment treatment method.
And uniformly attaching a layer of transparent UV glue on the surface layer of the curved surface to be decorated according to a preset attachment treatment method, wherein the curved surface to be decorated is a curved surface with a three-dimensional structure. Specifically, the curved surface to be decorated is the surface of the product to be decorated, the curved surface to be decorated can be a curved surface with a three-dimensional structure, such as a curved surface shell of a mobile phone, a flat curved surface shell, a refrigerator shell, an automobile shell and the like, and the material of the curved surface to be decorated can be plastic cement, ceramic, a transparent synthetic plate, transparent PC, transparent glass, transparent sapphire and the like. The adhesion treatment method can be a method for uniformly adhering transparent UV glue on the surface layer of the curved surface to be decorated at will, wherein the adhesion thickness of the transparent UV glue is 0.008-0.12 mm. The surface layer of the curved surface to be decorated is the upper end surface or the lower end surface of the curved surface to be decorated.
When a layer of transparent UV adhesive is uniformly adhered to the surface layer of the curved surface to be decorated, a layer of transparent UV adhesive can be adhered to the surface layer of the curved surface to be decorated by adopting a spraying, curtain coating, electroplating, 3D film pasting or printing treatment method, the transparent UV adhesive can be transparent UV adhesive (ultraviolet curing adhesive), the transparent UV adhesive is non-adhesive at normal temperature, and the transparent UV adhesive can be firmly adhered to the surface of a product to be decorated only in an environment with certain temperature and pressure.
S120, placing the curved surface to be decorated, to which the transparent UV glue is attached, in an oven at a preset temperature and baking for a preset time, so that the transparent UV glue is tightly attached to the curved surface to be decorated.
And placing the curved surface to be decorated attached with the transparent UV glue in an oven with a preset temperature for baking for a preset time so as to enable the transparent UV glue to be tightly attached to the curved surface to be decorated. Wherein the preset temperature is 40-100 ℃, and the preset time is 3-30 minutes. And baking the curved surface to be decorated attached with the transparent UV glue so that the transparent UV glue generates viscosity and is tightly attached to the surface layer of the curved surface to be decorated.
S130, carrying out precision positioning and laminating on the copying 3D mold containing the preset decorative texture and the curved surface to be decorated so as to transfer the preset decorative texture to the surface layer of the transparent UV adhesive in a laminating manner.
Will contain the profile modeling 3D mould of predetermineeing the decoration texture with wait to decorate the curved surface and carry out the precision positioning laminating, in order will predetermine the lamination of decoration texture and rendition extremely the top layer of transparent UV glue. The profiling 3D mold comprises preset decorative textures, the preset decorative textures comprise various textures required to be decorated, all areas or partial areas in the preset decorative textures are frosted patterns, the profiling 3D mold and a curved surface to be decorated are precisely positioned and attached, and the preset decorative textures are attached and transferred to the surface layer of the transparent UV adhesive. Because the curved surface to be decorated is a curved surface with a three-dimensional structure, the profiling 3D mould comprises the three-dimensional structure corresponding to the curved surface to be decorated.
S140, applying preset pressure on the upper surface of the profiling 3D mould, and placing the curved surface to be decorated and the profiling 3D mould in ultraviolet illumination with preset wavelength to enable the transparent UV glue to be cured to form a texture layer.
And applying preset pressure on the upper surface of the profiling 3D mould, and placing the curved surface to be decorated and the profiling 3D mould in ultraviolet illumination with preset wavelength so as to cure the transparent UV glue to form a texture layer. After the profiling 3D mold is precisely positioned and attached to the curved surface to be decorated, preset pressure can be applied to the upper surface of the profiling 3D mold, wherein the preset pressure is 5-400 kilograms, and at the moment, the transparent UV glue is clamped by the curved surface to be decorated and the profiling 3D mold. After a preset pressure is applied to the upper surface of the copying 3D mold, the curved surface to be decorated and the copying 3D mold are placed in ultraviolet illumination with a preset wavelength, so that the transparent UV glue is cured to form a texture layer, wherein the preset wavelength is 365-420 nanometers, and after the transparent UV glue is cured, a pattern corresponding to the preset decoration texture can be displayed, namely the texture layer is obtained.
S150, separating the curved surface to be decorated containing the texture layer from the profiling 3D mold, and then placing the curved surface to be decorated in vacuum for electroplating so as to attach an electroplating layer on the surface layer of the texture layer.
And separating the curved surface to be decorated containing the texture layer from the profiling 3D mould, and then placing the curved surface to be decorated in vacuum for electroplating so as to attach an electroplated layer on the surface layer of the texture layer. Separating the curved surface to be decorated containing the texture layer from the profiling 3D mould, namely demoulding, and electroplating the curved surface to be decorated in vacuum, so that a metal electroplated layer is attached to the surface layer of the texture layer, the thickness of the electroplated layer is 0.008-0.10mm, and the electroplating process is the same as that of the traditional process and is vacuum metal ion electroplating.
And S160, attaching a coloring layer on the surface layer of the electroplated layer to obtain the decorated 3D curved surface product.
And attaching a coloring layer on the surface layer of the electroplated layer to obtain the decorated 3D curved surface product. And (4) attaching decorative colors, namely coloring layers, on the surface layers of the electroplated layers to obtain the curved-surface product. Specifically, the mode of attaching the decorative color includes two kinds, can be in the top layer spraying decorative color coating of plating layer with the top layer attaching the dyed layer at the plating layer, obtain the 3D curved surface product of accomplishing the decoration, adopt the mode of spraying to attach the decorative color on the plating layer top layer, also be with the pigment spraying that has the decorative color to the top layer of plating layer, compare with the prior art, need not to use the film, also can not appear the film and stretch inhomogeneous condition in all directions, avoid tearing texture layer and plating layer because of the drawing of film promptly.
And the decorative film containing decorative colors can be closely attached to the surface layer of the electroplated layer so as to attach a colored layer to the surface layer of the electroplated layer, thereby obtaining the decorated 3D curved surface product. That is, the pigment with decorative color is attached to the film to obtain the decorative film, and the decorative film is closely attached to the surface layer of the electroplated layer. Because the easy drawing of because of the tensile of decorating film is the texture layer and the plating layer, the dyed layer is difficult to be the drawing crack, consequently can adopt traditional mode here, will contain the decorating film of decorating the colour and closely laminate in the top layer of plating layer, obtain the curved surface product, can avoid tearing texture layer and plating layer because of the tensile of film.
The invention discloses a 3D curved surface attaching decoration method, which comprises the steps of attaching transparent UV glue on the surface layer of a 3D curved surface to be decorated, baking the transparent UV glue to enable the transparent UV glue to be tightly attached to the 3D curved surface to be decorated, precisely positioning and attaching the copying 3D mould with the decoration texture to the curved surface to be decorated to transfer the texture patterns on the preset copying 3D mould to the surface layer of the transparent UV glue, curing the transparent UV glue by using ultraviolet irradiation to obtain a texture layer, the electroplated layer is attached on the surface layer of the texture layer, and the coloring layer is attached on the surface layer of the electroplated layer to obtain the decorated 3D curved surface product, can avoid the tearing of the texture layer and the electroplated layer caused by the uneven stretching of the decorative film in all directions, the method can be applied to curved surfaces with three-dimensional structures, and achieves good effects in the practical application process.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (8)
1. The 3D curved surface attaching and decorating method is characterized by comprising the following steps:
uniformly attaching a layer of transparent UV glue on the surface layer of the curved surface to be decorated according to a preset attachment treatment method, wherein the curved surface to be decorated is a curved surface with a three-dimensional structure;
placing the curved surface to be decorated attached with the transparent UV glue in an oven with a preset temperature for baking for a preset time so that the transparent UV glue is tightly attached to the curved surface to be decorated;
precisely positioning and attaching a profiling 3D mold containing preset decorative textures to the curved surface to be decorated so as to attach and transfer the preset decorative textures to the surface layer of the transparent UV adhesive;
applying preset pressure on the upper surface of the profiling 3D mould, and placing the curved surface to be decorated and the profiling 3D mould in ultraviolet illumination with preset wavelength to cure the transparent UV glue to form a texture layer;
separating the curved surface to be decorated containing the texture layer from the profiling 3D mold, and then placing the curved surface to be decorated in vacuum for electroplating so as to attach an electroplating layer on the surface layer of the texture layer;
and attaching a coloring layer on the surface layer of the electroplated layer to obtain the decorated 3D curved surface product.
2. The 3D curved surface attaching decoration method according to claim 1, wherein the attaching treatment method is spraying, curtain coating, electroplating, 3D film attaching or printing.
3. The 3D curved surface attaching decoration method according to claim 1 or 2, wherein the preset temperature is 40-100 ℃, and the preset time is 3-30 minutes.
4. The 3D curved surface attaching decoration method according to claim 1 or 2, wherein the preset pressure is 5-400 kg.
5. The 3D curved surface attaching decoration method according to claim 1 or 2, wherein the preset wavelength is 365-420 nanometers.
6. The 3D curved surface attaching decoration method according to claim 1 or 2, wherein attaching a coloring layer to a surface layer of the plating layer to obtain a decorated 3D curved surface product comprises:
and spraying decorative color paint on the surface layer of the electroplated layer to attach a coloring layer on the surface layer of the electroplated layer, thereby obtaining the decorated 3D curved surface product.
7. The 3D curved surface attaching decoration method according to claim 1 or 2, wherein attaching a coloring layer to a surface layer of the plating layer to obtain a decorated 3D curved surface product comprises:
and closely attaching a decorative film containing decorative colors to the surface layer of the electroplated layer so as to attach a colored layer to the surface layer of the electroplated layer, thereby obtaining the decorated 3D curved surface product.
8. A curved product, characterized in that, the curved product is manufactured by the 3D curved surface fitting decoration method of any one of claims 1 to 7.
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| CN201911231668.6A CN110877497A (en) | 2019-12-05 | 2019-12-05 | 3D curved surface attaching decoration method |
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| CN201911231668.6A CN110877497A (en) | 2019-12-05 | 2019-12-05 | 3D curved surface attaching decoration method |
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Cited By (2)
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| CN112571930A (en) * | 2020-12-03 | 2021-03-30 | 谢宽睿 | Manufacturing method of 3D UV transfer printing mold |
| CN114536899A (en) * | 2022-01-13 | 2022-05-27 | 深圳市亿铭粤科技有限公司 | Manufacturing method of multilayer texture decorative structure and multilayer texture decorative structure |
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Application publication date: 20200313 |
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