A new application process for ink printing

Abstract

The present invention discloses a novel application process for ink printing, comprising the following steps: Step 1, establishing an automatic control system for ink printing; Step 2, system initialization; Step 3, color sequence generation; Step 4, color sequence optimization; Step 5, ultraviolet light control; Step 6, quality inspection; in the said Step 5, the control of the irradiation time is achieved by the controller controlling the conveying speed of the substrate conveying device; the present invention utilizes the color sequence generation unit to automatically generate the color sequence, and conducts simulated printing and multiple optimizations on it, so as to obtain the optimal color sequence, which is faster and more scientific than manual sorting; the present invention utilizes the ultraviolet light control unit to dynamically adjust the ultraviolet light parameters, thereby solving the light intensity error generated by controlling the UV lamp with fixed parameters; the present invention utilizes the quality inspection unit to automatically detect the quality of the printed finished products, saving manpower, improving the inspection efficiency, and ensuring the reliability of the inspection results.

Description

Technical Field

[0001] The present invention relates to the technical field of ink printing, and particularly to a new application process for ink printing. Background Art

[0002] Compared with ordinary inks, UV inks have the advantages of fast curing speed, good ink film performance, scratch resistance, wear resistance, acid and alkali resistance, etc. In addition, UV inks are applicable to various soft and hard substrates, such as non-absorbent printing materials like films (such as PE, PP, PVC), metals, etc., laying a good foundation for the post-press processing of printed products. Therefore, in recent years, UV inks have been favored by the printing industry and have been widely used in many fields; however, the existing UV ink printing processes have the following defects: First, during the UV ink printing process, color bleeding may occur due to unreasonable printing color sequence arrangement, and the existing manual sorting method is very slow and not scientific enough; Second, since UV inks need to be cured by irradiating with ultraviolet light, accurately controlling the intensity of ultraviolet light and the irradiation time is of great significance for ensuring printing quality, but since the intensity of ultraviolet light will gradually weaken as the usage time of the UV lamp increases, using fixed parameter settings will surely result in certain errors; Third, for the detection of printing quality, the existing technology is to compare the printed product with a proof sheet manually and rely on visual observation of defects, which is inefficient and easily affected by subjective factors. Summary of the Invention

[0003] The purpose of the present invention is to provide a new application process for ink printing to solve the problems raised in the above background art.

[0004] To achieve the above purpose, the present invention provides the following technical solution: A new application process for ink printing, including the following steps: Step 1, establish an automatic control system for ink printing; Step 2, system initialization; Step 3, color sequence generation; Step 4, color sequence optimization; Step 5, ultraviolet light control; Step 6, quality detection;

[0005] Among them, in the above Step 1, establishing an automatic control system for ink printing includes a color sequence generation unit, an ultraviolet light control unit, and a quality detection unit, and the color sequence generation unit respectively establishes data connections with the ultraviolet light control unit and the quality detection unit;

[0006] Among them, in the above Step 2, first input the electronic original manuscript into the original manuscript analysis module, input the equipment parameters, substrate parameters, and ink parameters into the color sequence generation module and the parameter preset module, and set the threshold range using the threshold setting module;

[0007] Among them, in the above Step 3, the color sequence generation module automatically generates a color sequence based on the comprehensive original manuscript analysis results and parameter information, and conveys it to the simulated printing module and the picture analysis module;

[0008] In the above step 4, the simulation printing module comprehensively analyzes the original manuscript analysis results, parameter information, and color sequence, automatically generates an effect diagram, and conveys it to the color sequence optimization module. The color sequence optimization module compares and analyzes the effect diagram with the original manuscript, specifically adjusts the color sequence, conveys the adjusted color sequence to the simulation printing module, and the simulation printing module generates an effect diagram again and conveys it to the color sequence optimization module. Such cyclic optimization is performed until the effect diagram meets the expected requirements, thereby obtaining the optimal color sequence;

[0009] In the above step 5, the parameter presetting module presets the control parameters of the UV lamp tube according to the parameter information and conveys them to the controller. The controller controls the ultraviolet light intensity and irradiation time accordingly. The ultraviolet light intensity detection module online obtains the ultraviolet light intensity information and conveys it to the ultraviolet light parameter adjustment module. The ultraviolet light parameter adjustment module compares and analyzes it with the preset parameters, and accordingly issues an adjustment instruction to the controller or the supplementary light module, thereby achieving precise control of the ultraviolet light intensity and illumination time;

[0010] In the above step 6, ink printing is performed under the optimal color sequence obtained in step 4 and the best ultraviolet light provided in step 5. The printed product is conveyed to the quality inspection unit. The picture acquisition module acquires the printed product picture and the reference color block picture and conveys them to the picture preprocessing module. The picture preprocessing module repairs the printed product picture according to the reference color block picture to reduce the interference of ambient light, and conveys the processed printed product picture to the picture analysis module. The picture analysis module compares and analyzes it with the original manuscript picture and outputs the result.

[0011] Preferably, in the above step 1, the color sequence generation unit includes an original manuscript analysis module, an equipment parameter information input module, a substrate parameter information input module, an ink parameter information input module, a color sequence generation module, a simulation printing module, and a color sequence optimization module. The color sequence generation module respectively establishes data connections with the original manuscript analysis module, the equipment parameter information input module, the substrate parameter information input module, the ink parameter information input module, and the simulation printing module. The simulation printing module establishes a data connection with the color sequence optimization module.

[0012] Preferably, in the above step 1, the ultraviolet light control unit includes a parameter presetting module, an ultraviolet light intensity detection module, an ultraviolet light parameter adjustment module, a controller, a supplementary light module, and an alarm module. The ultraviolet light parameter adjustment module respectively establishes data connections with the parameter presetting module, the ultraviolet light intensity detection module, the controller, the supplementary light module, and the alarm module. The parameter presetting module establishes a data connection with the controller.

[0013] Preferably, in the first step, the quality inspection unit includes a threshold setting module, an image acquisition module, an image preprocessing module, and an image analysis module, and the image preprocessing module is respectively connected to the threshold setting module, the image acquisition module, and the image analysis module for data connection.

[0014] Preferably, in the fourth step, the expected requirements can be confirmed manually or represented by specific parameters.

[0015] Preferably, in the fifth step, the control of the irradiation time is achieved by the controller controlling the conveying speed of the substrate conveying device.

[0016] Preferably, in the fifth step, when the actual intensity of ultraviolet light is lower than the preset parameter, the ultraviolet light parameter adjustment module issues an adjustment instruction to the supplementary light module, and the supplementary light module supplements the ultraviolet light irradiation. The ultraviolet light intensity detection module feeds back the adjustment result to the ultraviolet light parameter adjustment module in real time. If the ultraviolet light intensity still does not meet the requirements, an instruction is issued to the alarm module, and the alarm module prompts the staff to maintain the UV lamp tube; when the actual intensity of ultraviolet light is higher than the preset parameter, the ultraviolet light parameter adjustment module issues an adjustment instruction to the controller, and the controller reduces the ultraviolet light irradiation intensity accordingly.

[0017] Preferably, in the sixth step, the working principle of the image analysis module is as follows: compare and judge whether the color block area, hue, saturation, and lightness of the printed product image are within the threshold range. If so, the output result is qualified; otherwise, the output is unqualified.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention uses a color sequence generation unit to automatically generate a color sequence, and performs simulated printing and multiple optimizations on it to obtain the optimal color sequence, which is faster and more scientific than manual sorting; the present invention uses an ultraviolet light control unit to dynamically adjust the ultraviolet light parameters, thus solving the illumination intensity error caused by controlling the UV lamp tube with fixed parameters; the present invention uses a quality inspection unit to automatically detect the quality of printed products, saving manpower, improving the detection efficiency, and ensuring the reliability of the detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the method flow chart of the present invention;

[0020] Figure 2 is the system flow chart of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figure 1-2 , an embodiment provided by the present invention: a new application process for ink printing, including the following steps: Step 1, establish an automatic control system for ink printing; Step 2, system initialization; Step 3, color sequence generation; Step 4, color sequence optimization; Step 5, ultraviolet light control; Step 6, quality inspection;

[0023] Among them, in the above Step 1, an automatic control system for ink printing is established, including a color sequence generation unit, an ultraviolet light control unit, and a quality inspection unit, and the color sequence generation unit establishes data connections with the ultraviolet light control unit and the quality inspection unit respectively; the color sequence generation unit includes a manuscript analysis module, an equipment parameter information input module, a substrate parameter information input module, an ink parameter information input module, a color sequence generation module, a simulated printing module, and a color sequence optimization module, and the color sequence generation module establishes data connections with the manuscript analysis module, the equipment parameter information input module, the substrate parameter information input module, the ink parameter information input module, and the simulated printing module respectively, and the simulated printing module establishes a data connection with the color sequence optimization module; the ultraviolet light control unit includes a parameter preset module, an ultraviolet light intensity detection module, an ultraviolet light parameter adjustment module, a controller, a supplementary light module, and an alarm module, and the ultraviolet light parameter adjustment module establishes data connections with the parameter preset module, the ultraviolet light intensity detection module, the controller, the supplementary light module, and the alarm module respectively, and the parameter preset module establishes a data connection with the controller; the quality inspection unit includes a threshold setting module, a picture acquisition module, a picture preprocessing module, and a picture analysis module, and the picture preprocessing module establishes data connections with the threshold setting module, the picture acquisition module, and the picture analysis module respectively;

[0024] Among them, in the above Step 2, first input the electronic manuscript into the manuscript analysis module, input the equipment parameters, substrate parameters, and ink parameters into the color sequence generation module and the parameter preset module, and set the threshold range by using the threshold setting module;

[0025] Among them, in the above Step 3, the color sequence generation module automatically generates a color sequence based on the comprehensive manuscript analysis result and parameter information, and conveys it to the simulated printing module and the picture analysis module;

[0026] In the above step 4, the simulation printing module comprehensively analyzes the original manuscript, parameter information, and color sequence, automatically generates an effect diagram, and conveys it to the color sequence optimization module. The color sequence optimization module compares and analyzes the effect diagram with the original manuscript, specifically adjusts the color sequence, conveys the adjusted color sequence to the simulation printing module, and the simulation printing module generates an effect diagram again and conveys it to the color sequence optimization module. Such cyclic optimization is performed until the effect diagram meets the expected requirements, thereby obtaining the optimal color sequence. Among them, the expected requirements can be confirmed manually or represented by specific parameters.

[0027] In the above step 5, the parameter preset module presets the control parameters of the UV lamp tube according to the parameter information and conveys them to the controller. The controller controls the ultraviolet light intensity and irradiation time accordingly. Controlling the irradiation time is achieved by the controller controlling the conveying speed of the substrate conveying device. The ultraviolet light intensity detection module obtains the ultraviolet light intensity information online and conveys it to the ultraviolet light parameter adjustment module. The ultraviolet light parameter adjustment module compares and analyzes it with the preset parameters, and accordingly issues an adjustment instruction to the controller or the supplementary light module, thereby achieving precise control of the ultraviolet light intensity and illumination time. Specifically, when the actual ultraviolet light intensity is lower than the preset parameter, the ultraviolet light parameter adjustment module issues an adjustment instruction to the supplementary light module, and the supplementary light module supplements the ultraviolet light irradiation. The ultraviolet light intensity detection module provides real-time feedback of the adjustment result to the ultraviolet light parameter adjustment module. If the ultraviolet light illumination intensity still does not meet the requirements, an instruction is issued to the alarm module, and the alarm module prompts the staff to maintain the UV lamp tube. When the actual ultraviolet light intensity is higher than the preset parameter, the ultraviolet light parameter adjustment module issues an adjustment instruction to the controller, and the controller reduces the ultraviolet light irradiation intensity accordingly.

[0028] In the above step 6, ink printing is performed under the optimal color sequence obtained in step 4 and the best ultraviolet light provided in step 5. The printed product is conveyed to the quality inspection unit. The picture acquisition module acquires the printed product picture and the reference color block picture and conveys them to the picture preprocessing module. The picture preprocessing module repairs the printed product picture according to the reference color block picture to reduce the interference of ambient light, and conveys the processed printed product picture to the picture analysis module. The picture analysis module compares and analyzes it with the original manuscript picture to determine whether the picture color block area, hue, saturation, and lightness of the printed product are within the threshold range. If so, the output result is qualified; otherwise, it is unqualified.

[0029] Based on the above, the advantages of the present invention are as follows. The present invention uses a color sequence generation unit to automatically generate a color sequence according to the content, tone, and dot coverage area of the original manuscript, as well as device parameters, substrate parameters, and ink parameters, and performs simulated printing and multiple optimizations on it until an optimal color sequence is obtained. This method is faster and more scientific than manual sorting. The present invention uses an ultraviolet light control unit to dynamically adjust ultraviolet light parameters to eliminate the insufficient light intensity caused by the aging of the UV lamp tube, and solves the problem of low precision caused by fixed parameter control. The present invention uses a quality detection unit to automatically detect the quality of printed products. Compared with manual detection, it avoids the influence of subjective factors on the detection results and improves the detection efficiency.

[0030] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A new application process for ink printing, comprising the following steps: Step 1, establish an automatic control system for ink printing; Step 2, system initialization; Step 3, color sequence generation; Step 4, color sequence optimization; Step 5, ultraviolet light control; Step 6, quality inspection; characterized in that: In the above-mentioned Step 1, an automatic control system for ink printing is established, including a color sequence generation unit, an ultraviolet light control unit and a quality inspection unit, and the color sequence generation unit respectively establishes data connections with the ultraviolet light control unit and the quality inspection unit; In the above-mentioned Step 2, first input the electronic version of the original manuscript into the original manuscript analysis module, input the equipment parameters, substrate parameters and ink parameters into the color sequence generation module and the parameter preset module, and use the threshold setting module to set the threshold range; In the above-mentioned Step 3, the color sequence generation module automatically generates a color sequence based on the comprehensive original manuscript analysis results and parameter information, and conveys it to the simulated printing module and the picture analysis module; In the above-mentioned Step 4, the simulated printing module automatically generates an effect picture based on the comprehensive original manuscript analysis results, parameter information and color sequence, and conveys it to the color sequence optimization module. The color sequence optimization module compares and analyzes the effect picture with the original manuscript, and specifically adjusts the color sequence, conveys the adjusted color sequence to the simulated printing module, the simulated printing module generates an effect picture again, and conveys it to the color sequence optimization module. Such a cycle of optimization is carried out until the effect picture meets the expected requirements, so as to obtain the optimal color sequence; In the above-mentioned Step 5, the parameter preset module presets the control parameters of the UV lamp tube according to the parameter information and conveys them to the controller. The controller controls the ultraviolet light intensity and irradiation time accordingly. The ultraviolet light intensity detection module online obtains the ultraviolet light intensity information and conveys it to the ultraviolet light parameter adjustment module. The ultraviolet light parameter adjustment module compares and analyzes it with the preset parameters, and accordingly issues an adjustment instruction to the controller or the supplementary light module, so as to achieve precise control of the ultraviolet light intensity and illumination time; In the above-mentioned Step 6, ink printing is carried out under the optimal color sequence obtained in Step 4 and the best ultraviolet light provided in Step 5. The printed product is conveyed to the quality inspection unit. The picture acquisition module acquires the printed product picture and the reference color block picture and conveys them to the picture preprocessing module. The picture preprocessing module repairs the printed product picture according to the reference color block picture to reduce the interference of ambient light, and conveys the processed printed product picture to the picture analysis module. The picture analysis module compares and analyzes it with the original manuscript picture and outputs the result.

2. A new application process for ink printing according to claim 1, characterized in that: In the above-mentioned Step 1, the color sequence generation unit includes an original manuscript analysis module, an equipment parameter information input module, a substrate parameter information input module, an ink parameter information input module, a color sequence generation module, a simulated printing module and a color sequence optimization module, and the color sequence generation module respectively establishes data connections with the original manuscript analysis module, the equipment parameter information input module, the substrate parameter information input module, the ink parameter information input module and the simulated printing module. The simulated printing module establishes a data connection with the color sequence optimization module.

3. A novel application process for ink printing according to claim 1, characterized in that: In the first step, the ultraviolet light control unit includes a parameter presetting module, an ultraviolet light intensity detection module, an ultraviolet light parameter adjustment module, a controller, a supplementary light module, and an alarm module. The ultraviolet light parameter adjustment module is respectively connected to the parameter presetting module, the ultraviolet light intensity detection module, the controller, the supplementary light module, and the alarm module to establish data connections, and the parameter presetting module is connected to the controller to establish a data connection.

4. A novel application process for ink printing according to claim 1, characterized in that: In the first step, the quality detection unit includes a threshold setting module, a picture acquisition module, a picture preprocessing module, and a picture analysis module. The picture preprocessing module is respectively connected to the threshold setting module, the picture acquisition module, and the picture analysis module to establish data connections.

5. A novel application process for ink printing according to claim 1, characterized in that: In the fourth step, the expected requirements can be confirmed manually or represented by specific parameters.

6. A novel application process for ink printing according to claim 1, characterized in that: In the fifth step, the control of the irradiation time is achieved by the controller controlling the conveying speed of the substrate conveying device.

7. A novel application process for ink printing according to claim 1, characterized in that: In the fifth step, when the actual intensity of the ultraviolet light is lower than the preset parameter, the ultraviolet light parameter adjustment module sends an adjustment instruction to the supplementary light module. The supplementary light module supplements the ultraviolet light irradiation, and the ultraviolet light intensity detection module sends real-time feedback of the adjustment result to the ultraviolet light parameter adjustment module. If the ultraviolet light intensity still does not meet the requirements, an instruction is sent to the alarm module, and the alarm module prompts the staff to maintain the UV lamp. When the actual intensity of the ultraviolet light is higher than the preset parameter, the ultraviolet light parameter adjustment module sends an adjustment instruction to the controller, and the controller reduces the ultraviolet light irradiation intensity accordingly.

8. A novel application process for ink printing according to claim 1, characterized in that: In the sixth step, the working principle of the picture analysis module is: comparing and judging whether the picture color block area, hue, saturation, and lightness of the printed product are within the threshold range. If so, the output result is qualified; otherwise, the output is unqualified.

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