阅读说明：本技术 一种立体图案印刷方法 (Three-dimensional pattern printing method ) 是由 陈敏辉 陈维斌 冯玲 于 2019-10-28 设计创作，主要内容包括：本发明公开了一种立体图案印刷方法,包括：制作渐变的灰阶图,以灰阶图的色调深浅对应表达图文在视觉上的凹凸立体感；利用灰阶图制作光刻图文,制作用于电眼检测识别的定位标记母版,通过UV拼版方式将光刻图文母版和定位标记母版拼制成组合母版；将组合母版的图文和定位标记模压至薄膜上；在薄膜上镀铝或镀硫化锌,再涂布热熔胶；利用电眼检测识别薄膜上的定位标记,利用冲压模头冲切掉薄膜上的图文区域,并将图文区域烫印在布料上。本印刷方法使得标签具有立体的效果,能增加金属光泽,提升视觉效果,增加定位标记信息能够有效地供电眼识别,为了冲切工序及烫印至布料工序提供自动化条件,提高加工效率,而且精准度非常高。(The invention discloses a three-dimensional pattern printing method, which comprises the following steps: making a gradually changed gray-scale image, and correspondingly expressing the visual concave-convex stereoscopic impression of the image and the text according to the tone depth of the gray-scale image; making a photoetching image-text by utilizing the gray-scale image, making a positioning mark mother plate for electric eye detection and identification, and splicing the photoetching image-text mother plate and the positioning mark mother plate into a combined mother plate in a UV (ultraviolet) splicing mode; pressing the image-text and the positioning mark of the combined master plate onto the film; plating aluminum or zinc sulfide on the film, and then coating hot melt adhesive; and detecting and identifying the positioning mark on the film by using an electric eye, cutting off the image-text area on the film by using a stamping die, and thermoprinting the image-text area on the cloth. The printing method enables the label to have a three-dimensional effect, can increase metallic luster, improves visual effect, can effectively supply power for eye recognition by increasing positioning mark information, provides automatic conditions for a punching process and a hot stamping to cloth process, improves processing efficiency, and has very high precision.)

1. A method of printing a three-dimensional pattern, comprising:

step one, manufacturing a gradually-changed gray-scale image, and correspondingly expressing the visual concave-convex stereoscopic impression of the image and the text according to the tone depth of the gray-scale image;

secondly, making a photoetching image-text by using the gray-scale image, making a positioning mark mother plate for electric eye detection and identification, and splicing the photoetching image-text mother plate and the positioning mark mother plate into a combined mother plate in a UV (ultraviolet) splicing mode;

thirdly, molding the pictures and texts and the positioning marks of the combined master mask onto a film;

step four, plating aluminum or zinc sulfide on the film, and then coating hot melt adhesive;

and fifthly, identifying the positioning mark on the film by using electric eye detection, cutting off the image-text area on the film by using a stamping die head, and thermoprinting the image-text area on the cloth.

2. The method of claim 1, wherein a heating assembly is attached to the stamping die.

3. The method according to claim 1, wherein in step five, the film is positioned above the cloth.

4. A method as claimed in claim 3, wherein a guide hole is formed between the film and the cloth, after the die head punches out the pattern region on the film, the die head and the pattern region pass through the guide hole, and the die head stamps the pattern region on the cloth.

5. The method of claim 4, wherein the length of the punching die is greater than the length of the guide hole.

6. The method of printing a three-dimensional pattern according to any one of claims 1 to 5, wherein in step five, the electric eye is located at one side of the punching die, the film and the cloth are horizontally moved, and when the electric eye detects and recognizes the position mark on the film, the film and the cloth stop moving after moving a certain distance.

7. A method for printing a three-dimensional pattern according to claim 6, wherein the moving speed of said film is faster than the moving speed of said cloth.

Technical Field

The invention relates to the field of printing processes, in particular to a three-dimensional pattern printing method.

Background

At present, in the transparent label in the market, brand information and product information are printed on a transparent sheet material and coated with an adhesive, and the transparent label is directly attached to cloth and integrated with the visual effect of the cloth, wherein the brand information and the product information can be called as pictures and texts. However, the current labels are generally plane patterns, the visual effect is poor, and the labels are usually torn manually and adhered to cloth, so that the processing efficiency is low, and the precision is poor.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a three-dimensional pattern printing method which is high in processing efficiency and precision and good in visual effect.

A method for printing a three-dimensional pattern according to an embodiment of the present invention includes: step one, manufacturing a gradually-changed gray-scale image, and correspondingly expressing the visual concave-convex stereoscopic impression of the image and the text according to the tone depth of the gray-scale image; secondly, making a photoetching image-text by using the gray-scale image, making a positioning mark mother plate for electric eye detection and identification, and splicing the photoetching image-text mother plate and the positioning mark mother plate into a combined mother plate in a UV (ultraviolet) splicing mode; thirdly, molding the pictures and texts and the positioning marks of the combined master mask onto a film; step four, plating aluminum or zinc sulfide on the film, and then coating hot melt adhesive; and fifthly, identifying the positioning mark on the film by using electric eye detection, cutting off the image-text area on the film by using a stamping die head, and thermoprinting the image-text area on the cloth.

The method has the following beneficial effects: the printing method utilizes the gray-scale image to manufacture the photoetching image-text required by the label, the tone depth of the gray-scale image can correspondingly express the concave-convex three-dimensional effect of the image-text in vision, the black-to-white represents the convex effect, the white-to-black represents the concave effect, so that the label has the three-dimensional effect, is higher and beautiful, the metal luster can be increased by plating aluminum or zinc sulfide on the film, the protection effect is realized, the visual effect is improved, in addition, the positioning mark information is added on the basis of the image-text information, the electric eye identification can be effectively supplied, the automatic condition is provided for the punching and cutting process and the hot stamping-to-material process, the processing efficiency is improved, and the precision is very.

According to some embodiments of the invention, a heating assembly is coupled to the stamping die.

According to some embodiments of the invention, in step five, the film is positioned over the cloth.

According to some embodiments of the invention, a guide hole is formed between the film and the cloth, after the stamping die punches off the image-text area on the film, the stamping die and the image-text area pass through the guide hole, and the stamping die stamps the image-text area on the cloth.

According to some embodiments of the invention, the length of the punching die is greater than the length of the guide hole.

According to some embodiments of the invention, in the fifth step, the electric eye is located at one side of the punching die head, the film and the cloth move horizontally, and when the electric eye detects and identifies the positioning mark on the film, the film and the cloth stop moving after moving for a certain distance.

According to some embodiments of the invention, the speed of movement of the film is greater than the speed of movement of the cloth.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a thin film according to an embodiment of the present invention;

FIG. 2 is a schematic representation of an embodiment of the present invention prior to die cutting the film;

FIG. 3 is a schematic view of an embodiment of the present invention after die cutting the film;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

Reference numerals: the device comprises an image and text 1, a positioning mark 2, a film 3, an electric eye 4, a punching die head 5, cloth 6, a guide hole 7 and a support member 8.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, 2 and 3, the present invention discloses a method for printing a three-dimensional pattern, comprising the steps of:

step one, manufacturing a gradually-changed gray-scale image, and correspondingly expressing the visual concave-convex stereoscopic impression of the image-text by the tone depth of the gray-scale image;

secondly, making a photoetching image-text by utilizing the gray-scale image, making a positioning mark mother plate for electric eye detection and identification, and splicing the photoetching image-text mother plate and the positioning mark mother plate into a combined mother plate in a UV (ultraviolet) splicing mode;

step three, mould pressing the image-text 1 and the positioning mark 2 of the combined mother plate to a film 3;

step four, plating aluminum or zinc sulfide on the film 3, and then coating hot melt adhesive;

and fifthly, detecting the positioning mark 2 on the identification film 3 by using the electric eye 4, punching out the image-text area on the film 3 by using the punching die head 5, and thermoprinting the image-text area on the cloth 6.

Wherein, stamping die head 5 is connected with heating element, heats stamping die head 5, can melt the hot melt adhesive for stamping die head 5 reaches the effect of thermoprint.

The printing method utilizes the gray-scale image to manufacture the photoetching image-text required by the label, the tone depth of the gray-scale image can correspondingly express the concave-convex three-dimensional effect of the image-text in vision, the black to white represents the convex, and the white to black represents the concave, so that the label has the three-dimensional effect, is higher-grade and beautiful, and the metal luster can be increased by plating aluminum or zinc sulfide on the film 3, the protection effect is realized, and the visual effect is improved.

In addition, the positioning mark information is added on the basis of the image-text information, so that the power eye identification can be effectively realized, automatic conditions are provided for the punching process and the material distribution process through hot stamping, the processing efficiency is improved, and the precision is very high.

In some embodiments of the present invention, another method for printing a three-dimensional pattern is specifically disclosed, which includes the following steps:

step one, manufacturing a gradually-changed gray-scale image, and correspondingly expressing the visual concave-convex stereoscopic impression of the image-text by the tone depth of the gray-scale image;

secondly, making a photoetching image-text by utilizing the gray-scale image, making a positioning mark mother plate for electric eye detection and identification, and splicing the photoetching image-text mother plate and the positioning mark mother plate into a combined mother plate in a UV (ultraviolet) splicing mode;

step three, mould pressing the image-text 1 and the positioning mark 2 of the combined mother plate to a film 3;

step four, plating aluminum or zinc sulfide on the film 3, and then coating hot melt adhesive;

and fifthly, the electric eye 4 is positioned on one side of the stamping die head 5, the film 3 and the cloth 6 horizontally move, a guide hole 7 is formed between the film 3 and the cloth 6, the electric eye 4 is used for detecting and identifying the positioning mark 2 on the film 3, when the electric eye 4 detects and identifies the positioning mark 2 on the film 3, the film 3 and the cloth 6 stop moving after moving for a certain distance, the stamping die head 5 is used for stamping off an image-text area on the film 3, the stamping die head 5 and the image-text area penetrate through the guide hole 7, and the image-text area is thermoprinted on the cloth 6.

Wherein, stamping die head 5 is connected with heating element, heats stamping die head 5, can melt the hot melt adhesive for stamping die head 5 reaches the effect of thermoprint, and film 3 is located the top of cloth 6, makes things convenient for stamping die head 5 to push down, and the moving speed of film 3 is greater than the moving speed of cloth 6, because the thermoprint density of cloth 6 is fixed, can set up the regional density of picture and text on the film 3 bigger, saves film 3 material.

In addition, the length of stamping die 5 is greater than the length of guiding hole 7 for stamping die 5 can pass guiding hole 7 completely, and in addition, the below of cloth 6 still is equipped with support piece 8, and support piece 8 is used for bearing cloth 6, can protect cloth 6 effectively, prevents that cloth 6 from being too big or damage by stamping die 5 time spent shape.

According to the printing method, the electric eye can be effectively identified through the positioning mark, when the electric eye 4 detects and identifies the positioning mark 2 on the film 3, the film 3 and the cloth 6 stop moving after moving for a certain distance, wherein the certain distance is the distance between the electric eye 4 and the stamping die head 5, the time difference is reasonably set according to the distance and the moving speed of the film 3, after the film 3 moves for a certain time, the stamping die head 5, the image-text area and the guide hole 7 are just aligned, the punching process and the hot stamping to cloth process are automatically realized, the processing efficiency is improved, and the accuracy is very high.

Wherein, the guide hole 7 can guide and position the stamping die head 5 and the image-text area to prevent deviation.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.