阅读说明：本技术 一种附加特殊纹理的uv转印方法 (UV transfer printing method with additional special texture ) 是由 郑君华 马栓俊 于 2019-12-10 设计创作，主要内容包括：一种用于附加特殊纹理的UV转印方法,本发明方法通过在待装饰产品的表层附着透明UV胶,并对透明UV胶烘烤以使其紧密贴合于待装饰产品,将具有装饰纹理的仿形3D模具与待装饰产品进行精密定位贴合,以将装饰纹理转印至透明UV胶层,使用紫外光照对透明UV胶进行固化以得到包含纹理层的产品。本发明方法的附加特殊纹理的UV转印方法,可在待装饰产品的表层附加局部磨砂图案、全部磨砂图案、条纹光栅、S形光栅、3D纹理或渐变纹理的特殊纹理,具有适用范围广的特点,且可适用于具有三维立体结构的曲面或平面,在实际应用过程中取得了良好的效果。(The invention relates to a UV transfer printing method for adding special textures. The UV transfer printing method with the special texture can be used for adding the special texture of local frosted patterns, all frosted patterns, stripe gratings, S-shaped gratings, 3D textures or gradient textures on the surface layer of a product to be decorated, has the characteristic of wide application range, can be suitable for curved surfaces or planes with three-dimensional structures, and achieves good effect in the practical application process.)

1. A UV transfer method for attaching a special texture, comprising:

uniformly adhering a layer of transparent UV glue on the surface layer of a product to be decorated according to a preset adhesion treatment method;

placing the product to be decorated, to which the transparent UV glue is attached, at a preset temperature and baking for a preset time so that the transparent UV glue is tightly attached to the surface layer of the product to be decorated;

precisely positioning and attaching a profiling 3D mold containing preset decorative textures to the product to be decorated so as to attach and transfer the preset decorative textures to the surface layer of the transparent UV adhesive, wherein the preset decorative textures are local frosted patterns, all frosted patterns, stripe gratings, S-shaped gratings, 3D textures or gradient textures;

applying preset pressure on the upper surface of the profiling 3D mould, and placing the product 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 product to be decorated containing the texture layer from the profiling 3D mould to obtain the product with the additional decoration texture.

2. The UV transfer printing method for adding special textures according to claim 1, wherein the surface of the product to be decorated is a curved surface or a flat surface having a three-dimensional structure.

3. The UV transfer printing method for attaching the special texture as claimed in claim 1, wherein the transparent UV paste is attached to a thickness of 0.008-0.12 mm.

4. The UV transfer printing method for attaching special textures of claim 1, 2 or 3, wherein the attaching treatment method is spraying, curtain coating, printing or transfer printing.

5. The UV transfer printing method for attaching special textures of claim 1, 2 or 3, wherein the preset temperature is 60-120 degrees celsius and the preset time is 3-30 minutes.

6. The UV transfer printing method for attaching special textures of claim 1, 2 or 3, wherein the preset pressure is 5-400 kg.

7. The UV transfer method for attaching a special texture according to claim 1, 2 or 3, wherein the predetermined wavelength is 365 to 420 nm.

8. A product with the decorative texture added, wherein the product with the decorative texture added is manufactured by the UV transfer printing method for adding the special texture according to any one of claims 1 to 7.

Technical Field

The invention relates to the technical field of processing and manufacturing, in particular to a UV transfer printing method with special textures.

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, it is often necessary to add special textures, including vertical stripe grating effect or surface sanding effect, to the surface of the product to be decorated, and the conventional treatment methods are all chemical liquid etching or physical sand blasting to add the required textures to the surface of the product to be decorated, and the above treatment methods are all subtraction to add the textures to the surface of the product to be decorated. However, the above-mentioned treatment method is only suitable for the products to be decorated with a plane structure, or because of the "subtractive" process, the physical strength of the products to be decorated is reduced and the products are easily damaged. As curved materials having a 3D structure are increasingly used, the above-mentioned treatment method cannot be used to perform special texture or sanding effect treatment on curved materials, and the above-mentioned treatment method cannot be applied to all materials. Thus, the texture adding treatment method in the prior art method cannot be applied to a part of the product to be decorated.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a UV transfer printing method for adding special textures, and aims to solve the problem that the texture adding treatment method in the prior art cannot be applied to part of products to be decorated.

The invention is realized by the following technical scheme:

a UV transfer method of adding a special texture, comprising:

uniformly adhering a layer of transparent UV glue on the surface layer of a product to be decorated according to a preset adhesion treatment method;

placing the product to be decorated, to which the transparent UV glue is attached, at a preset temperature and baking for a preset time so that the transparent UV glue is tightly attached to the surface layer of the product to be decorated;

precisely positioning and attaching a profiling 3D mold containing preset decorative textures to the product to be decorated so as to attach and transfer the preset decorative textures to the surface layer of the transparent UV adhesive, wherein the preset decorative textures are local frosted patterns, all frosted patterns, stripe gratings, S-shaped gratings, 3D textures or gradient textures;

applying preset pressure on the upper surface of the profiling 3D mould, and placing the product 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 product to be decorated containing the texture layer from the profiling 3D mould to obtain the product with the additional decoration texture.

The UV transfer printing method for adding the special texture is characterized in that the surface of the product to be decorated is a curved surface or a plane with a three-dimensional structure.

The UV transfer printing method for adding the special texture is characterized in that the adhesion thickness of the transparent UV glue is 0.008-0.12 mm.

The UV transfer printing method for adding the special texture is characterized in that the attaching treatment method is spraying, curtain coating, printing or transfer printing.

The UV transfer printing method for adding the special textures is characterized in that the preset temperature is 60-120 ℃, and the preset time is 3-30 minutes.

The UV transfer printing method for adding the special texture is characterized in that the preset pressure is 5-400 kilograms.

The UV transfer printing method for adding the special textures is characterized in that the preset wavelength is 365-420 nanometers.

And the product with the additional decorative texture is manufactured by adopting the UV transfer printing method for adding the special texture.

Has the advantages that:

the method comprises the steps of attaching the transparent UV adhesive to the surface layer of a product to be decorated, baking the transparent UV adhesive to enable the transparent UV adhesive to be tightly attached to the product to be decorated, precisely positioning and attaching the profiling 3D mould with the decorative texture to the product to be decorated to transfer the decorative texture to the transparent UV adhesive layer, and curing the transparent UV adhesive by using ultraviolet light to obtain the product containing the texture layer.

Drawings

FIG. 1 is a schematic flow chart of the UV transfer printing method for adding special textures of the invention.

Detailed Description

The present invention provides a UV transfer method for adding a special texture, and the present invention will be described in further detail below in order to make the objects, technical solutions, and effects of the present 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 illustrating a UV transfer method for adding special textures according to the present invention.

As shown, the UV transfer method for attaching a special texture includes steps S110-S150.

And S110, uniformly attaching a layer of transparent UV glue on the surface layer of the product 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 product to be decorated according to a preset attachment treatment method, wherein the surface of the product to be decorated is a curved surface or a plane with a three-dimensional structure. Specifically, the product to be decorated may be a curved surface or other plane having a three-dimensional structure, such as a curved surface housing of a mobile phone, a flat curved surface housing, a refrigerator housing, an automobile housing, and the like, and the material of the product to be decorated may be plastic, ceramic, a transparent synthetic plate, transparent PC, transparent glass, transparent sapphire, and the like. The adhesion treatment method can be any method for uniformly adhering transparent UV glue on the surface layer of the product to be decorated, wherein the adhesion thickness of the transparent UV glue is 0.008-0.12 mm.

When a layer of transparent UV adhesive is uniformly adhered to the surface layer of the product to be decorated, a layer of transparent UV adhesive can be adhered to the surface layer of the product to be decorated by adopting a spraying, curtain coating, printing or transfer printing treatment method, the transparent UV adhesive can be transparent UV adhesive (ultraviolet light curing adhesive), the transparent UV adhesive has no viscosity at normal temperature, and the transparent UV adhesive can be firmly adhered to the surface of the product to be decorated only in an environment with certain temperature and pressure.

S120, placing the product to be decorated, to which the transparent UV glue is attached, at a preset temperature and baking for a preset time, so that the transparent UV glue is tightly attached to the surface layer of the product to be decorated.

And placing the product to be decorated, to which the transparent UV glue is attached, at a preset temperature for baking for a preset time, so that the transparent UV glue is tightly attached to the surface layer of the product to be decorated. Wherein the preset temperature is 60-120 ℃, and the preset time is 3-30 minutes. And baking the product to be decorated with the transparent UV glue attached so that the transparent UV glue generates viscosity and is tightly attached to the surface layer of the product to be decorated.

S130, precisely positioning and attaching the profiling 3D mold containing the preset decorative texture and the product to be decorated so as to attach and transfer the preset decorative texture to the surface layer of the transparent UV adhesive.

And precisely positioning and laminating the copying 3D mold containing the preset decorative texture and the product to be decorated so as to transfer the preset decorative texture to the surface layer of the transparent UV adhesive. The profiling 3D mold comprises preset decorative textures, the preset decorative textures comprise various textures required to be decorated, the preset decorative textures comprise local frosted patterns, all frosted patterns, stripe gratings, S-shaped gratings, 3D textures or gradient textures, the profiling 3D mold and a product 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. If the surface layer of the product to be decorated is a curved surface with a three-dimensional structure, the copying 3D mold comprises the three-dimensional structure corresponding to the product to be decorated, and if the surface layer of the product to be decorated is a plane, the copying 3D mold is a plane.

S140, applying preset pressure on the upper surface of the profiling 3D mould, and placing the product 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 product 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 and the product to be decorated are precisely positioned and attached, 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 surface layer of the product to be decorated and the profiling 3D mold. After preset pressure is applied to the upper surface of the copying 3D mold, the product to be decorated and the copying 3D mold are placed in ultraviolet illumination with preset wavelength, so that the transparent UV glue is solidified to form a texture layer, wherein the preset wavelength is 365-420 nanometers, after the transparent UV glue is solidified, a pattern corresponding to the preset decoration texture can be displayed, namely the texture layer is obtained, and the obtained texture layer contains frosted texture.

S150, separating the product to be decorated containing the texture layer from the profiling 3D mold to obtain the product with the additional decorative texture.

Separating the product to be decorated containing the texture layer from the profiling 3D mould to obtain the product with the additional decoration texture. And separating the surface of the product to be decorated containing the texture layer from the profiling 3D mould, namely demoulding to obtain the product with the added decorative texture.

The invention discloses a UV transfer printing method for attaching special textures, which comprises the steps of attaching transparent UV glue on the surface layer of a product to be decorated, baking the transparent UV glue to enable the transparent UV glue to be tightly attached to the product to be decorated, precisely positioning and attaching a profiling 3D mould with decorative textures to the product to be decorated to transfer the decorative textures to a transparent UV glue layer, and curing the transparent UV glue by using ultraviolet light to obtain a product containing a texture layer.

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.