TWM591535U - Cloud quality control system for textile printing - Google Patents

Abstract

A cloud quality control system for textile printing is disclosed. The system includes a spectrophotometer, an automatic quality control cloud platform and visual online color quality control process. The spectrophotometer (such as X-rite, Datacolor and Barbieri spectrophotometer) is configured to acquire the spectral value of the plurality of test patches in which to meet the CGATS(Committee for Graphic Arts Technologies Standards) format. By uploading the data to the cloud quality control system, the color differential value and the tone value increases is calculated to determine whether the test patches meet the quality standard. The second part is for visual online color quality control. Print out the quality control chart and get the CGATS spectral value. Upload it to the cloud quality control system to determine the minimum color difference, and generate a new chart and visual quality gray target for adding the printed image file. So that the operator can confirm the production quality and improve the process.

Description

Textile printing cloud quality control system

The present invention relates to a cloud printing quality control system for textile printing, in particular to a cloud printing quality control system that can assist in controlling color changes in the process and quantifying color data.

There are many international standards such as ISO12647-2, Fogra PSO, idealliance G7, etc. for quality management in the general publishing and printing industry. However, due to the large difference in color yield of substrates and the wide variety of substrates, textile printing cannot be applied to the currently known common printing standards and commercially available printing color quality control software, so it has no problems in color reproducibility and process quality control. The method is available. If the printing quality control method is applied, it will lack accuracy due to too many process variables.

Therefore, in order for the textile printing factory to clearly control the color changes in the process and quantify the color data, it will be necessary to develop an automatic cloud quality control system, so that the operator can use tools such as visual color matching and 17-color color control guide table. It is easy to understand the color status during the manufacturing process and improve the product yield.

In order to solve the above problems, one of the ideas of the present invention is to provide a textile printing cloud quality control system that can help control the color changes in the process and quantify the color data.

Based on the previous disclosure concept, the present invention provides a textile printing cloud quality control system, including: a spectrophotometer, generating a plurality of inspection color block spectral values according to a plurality of inspection color blocks, and generating a plurality of initial auxiliary guide tables according to an initial auxiliary guide table Guide table spectral value; a processor, including a monitoring module, the monitoring module receives the plurality of inspection color patch spectral values and the plurality of initial auxiliary guide table spectral values from the spectrophotometer, and the plurality of inspection The color block spectral value is stored in a storage; and a cloud quality control server, receiving the plurality of inspection color block spectral values and the plurality of initial auxiliary guide table spectral values from the monitoring module, the cloud quality control server according to The plurality of inspection color block spectral values generate a plurality of inspection color block density values, a plurality of inspection color block color difference values, and a plurality of inspection color block dot expansion values, and the cloud quality control server uses the initial auxiliary guide table spectra Value to generate a plurality of initial auxiliary guide table color difference values, and generate a final auxiliary guide table based on the plurality of initial auxiliary guide table color difference values; wherein the cloud quality control server checks the color block color difference values by And the expanded values of the plurality of inspection color patches are compared with a standard color difference value and a standard dot expansion value to generate a judgment information; wherein the judgment information indicates whether the plurality of inspection color patches meet a quality control standard, the product The tube standard is related to the standard color difference value and the standard dot expansion value; wherein the cloud quality control server generates a visual contrast second-order guide table and a visual contrast color block image file according to the final auxiliary guide table.

In a preferred embodiment of the present invention, the final auxiliary guide table is associated with a plurality of final auxiliary guide table spectral values and a plurality of final auxiliary guide table color difference values; wherein the cloud quality control server is based on the plurality of final The auxiliary guide table spectral value and/or the plurality of final auxiliary guide table color difference values are used to generate the visual contrast second-order guide table and the visual contrast color block image file.

In a preferred embodiment of the present invention, the plurality of inspection color blocks include a cyan full color block, a magenta full color block, a yellow full color block, a black full color block, a red full color block, a blue Full color patch, orange full patch, cyan patch with 50% ink, magenta patch with 50% ink, yellow patch with 50% ink, red patch with 50% ink, ink 50% of the blue color block, 50% of the orange color block, 50% of the black color block and the three-color gray block, wherein the three-color gray block is composed of different concentrations of cyan color block, magenta color block And yellow color block.

In a preferred embodiment of the present invention, the final auxiliary guide table includes 49 grids of three-color combination color blocks, 12 grids of black gray-scale color blocks, and 2 pieces of substrate left white blocks; wherein the 49 grids of three-color combination color blocks It is composed of cyan, magenta and yellow.

In a preferred embodiment of the present invention, the 49-block tri-color combination color block has a maximum total ink volume of 300%, the cyan ink volume does not change, and the magenta and yellow ink volumes increase or decrease in units of 2%. The upper limit is 6%.

In a preferred embodiment of the present invention, the 12-segment black grayscale color patch includes a color patch with a black ink volume of 30%, a color patch with a black ink volume of 35%, a color patch with a black ink volume of 40%, and a black ink volume. 45% color block, black ink 50% color block, black ink 55% color block, black ink 60% color block, black ink 65% color block, black ink 70% color block , Color blocks with 75% black ink, 80% black ink, and 85% black ink.

In a preferred embodiment of the present invention, the visual color-contrast second-order guide table includes a 49-column second-order guide table three-color combination color block and a gray color bar; wherein the 49-column second-order guide table three-color combination color block is composed of green , Magenta and yellow.

In a preferred embodiment of the present invention, when the color difference value of a final auxiliary guide table associated with the final auxiliary guide table is less than a standard color difference value, the cloud quality control server generates the The second-level visual contrast guide table and the color-color patch image file.

In a preferred embodiment of the present invention, the monitoring module monitors whether the spectrophotometer has generated the plurality of test color block spectral values and/or the plurality of initial auxiliary guide table spectral values.

In a preferred embodiment of the present invention, the cloud quality control server corrects the plurality of initial auxiliary guide table spectral values according to an ambient light source information associated with the current ambient lighting situation to generate the final auxiliary guide table.

According to the purpose of the present invention, a textile printing quality control system is further provided, which includes: a spectrophotometer, which obtains the spectral values of a plurality of inspection color blocks, and the spectrophotometer measures the compliance with CGATS (Committee for Graphic Arts Technologies Standards ) Format X-rite Ione, Datacolor or Barbieri spectrophotometer; a desktop monitoring program JXQCSOFT, which monitors the action of the X-rite data measurement software ColorPort, performs archiving or converts the spectral values of a plurality of inspection color blocks, and contains the spectrum The value file is uploaded to the cloud quality control system; an automatic cloud quality control system receives the spectral values of the plurality of inspection color blocks uploaded by the JTXQCSOFT monitoring program, and converts the spectral values of the plurality of inspection color blocks to the plurality of concentration values , A plurality of color difference values and a plurality of dot expansion values, by comparing the plurality of color difference values and the plurality of dot expansion values, to determine whether the plurality of test color blocks meet quality control standards; and the establishment of a visual color standard Process, it generates 63 grid auxiliary guide tables and compares the spectral values of a plurality of inspection color blocks with an automatic cloud quality control system, and calculates and generates visual contrast second-order guide tables and visual contrast color block image files for operators to manage the printing.色率。 Color rate.

The foregoing aspects and other aspects of the present invention will become more apparent based on the following detailed description of the non-limiting specific embodiments and reference to the accompanying drawings.

The advantages, features, and technical methods of the present invention will be described in more detail with reference to the exemplary embodiments and the accompanying drawings to make it easier to understand, and the present invention can be implemented in different forms, so it should not be understood that it is limited to this The embodiments stated in the place, on the contrary, for those with ordinary knowledge in the technical field, the embodiments provided will make the disclosure more thorough, comprehensive and complete to convey the scope of the new type, and the new type will only be added Defined by the scope of the patent application.

The following one or more embodiments of the present invention disclose a textile printing cloud quality control system. The textile printing cloud quality control system disclosed in the following embodiments can obtain the color difference value and the dot expansion value that are easily understood by the operator through the operation of the spectrophotometer and the automatic cloud quality control platform to solve the conventional textile printing The disadvantage of color quality control is not easy. In addition, the system quantitative data can be used for quality analysis to improve the process and integrate with the industrial automation concept.

In view of the above, the present invention provides an automatic cloud color quality control system in an embodiment, in order to achieve the effect of color management through the application of the 17-color color management guide table and the function of visually assisting color standards. In a specific embodiment, the 17-color color guide contains 7 color monochromatic ink full version (100% ink volume) color patches, 50% ink volume 7-color ink color patches, and black 50% ink volume Color blocks, CMY color matching gray blocks and substrate color blocks. In a specific embodiment, after printing a 17-color color management guide on the target substrate fabric through a steaming and washing process, Colorport color application software can be used to scan to retrieve the spectral value of the color guide CGATS format, and pass JTXQCSOFT is automatically uploaded to the cloud quality control server, and then the system is used to measure the difference between the spectral value of the color patch and the color difference value of the standard sample and the dot expansion value, as well as the optimal concentration and the predicted by Beer's law. The minimum color difference value is displayed on the result page in the form of text and graph. You can also input multiple data continuously to compare each color and compare the color changes over time to quantify the color data, which is convenient for managers to record and understand the color ratio on the fabric.

In addition, for the online real-time quality control of the textile printing process, in a specific embodiment of the present invention, in conjunction with the visual color quality control workflow, the automatic cloud quality control system can effectively help the operator to obtain intermediate gray color patches and CMY ( Cyan Magenta Yellow) 3 color gray ink setting value. By printing a 63-color auxiliary guide table (in a specific embodiment, the 63-color auxiliary guide table includes CMY combined tri-color gray blocks, 49 grids, gray scale color grids, 12 grid substrate colors, 2 grids), Colorport color application software can scan Retrieve the spectral value of the color guide table in CGATS format, and automatically upload it to the cloud quality control server via JTXQCSOFT. After the cloud quality control server imports the ambient light source and corrects it, the 49-color difference value is automatically calculated to calculate the three-color gray setting value of the minimum color difference. If the color difference value of the gray-scale color grid and the three-color gray grid derived by the system is ΔEab> 2, you can calculate according to the recommended settings to generate a new guide table to download. If the color difference standard ΔEab>2 has been met, a second-order guide table for visual contrast can be generated. Use the second-order guide table to visually infer the set value of the minimum color difference under the actual production light source, and use the system function to generate and download visual color blocks for adding to the printing graphics for the operator to print on the process line. After steaming, control the color ratio on the cloth immediately.

Please refer to the first figure, which illustrates a color quality control work flow chart of an automatic cloud quality control system according to an embodiment of the new spray speed shrinker. As in the embodiment shown in the first figure, the process 100 starts at step 110: printing a 17-color quality control guide with a printing machine. In a specific embodiment, the 17-color quality control guide table may include a cyan full color patch, a magenta full color patch, a yellow full color patch, a black full color patch, a red full color patch, and a blue full color patch Color block, orange full color block, cyan color block with 50% ink, magenta color block with 50% ink, yellow color block with 50% ink, red color block with 50% ink, 50% ink Blue color patches, orange color patches with 50% ink volume, black color patches with 50% ink volume, and three-color gray patches (composed of cyan, magenta, and yellow patches with different densities), As shown in the second figure, this second figure exemplifies a specific embodiment of the quality control chart color block diagram. As described above, in the embodiment shown in the second figure, the QC guide table 200 includes 7-color ink full color blocks 210, 7-color ink 50% ink color blocks 220, substrate color grid 230, and grayscale color grid 240 .

Please refer back to the first figure, after step 110, then proceed to step 120: scan a plurality of 17-color quality control guide table by X-rite eyeone spectrophotometer, and calculate the CGATS format by ColorPort X-rite data measurement software Spectral value. Then, step 130 is executed: the software is monitored by JTXQCSOFT and automatically uploaded to the automatic cloud quality control system. The automatic cloud quality control system receives the spectral values of a plurality of 17-color quality control guide tables transmitted by the spectrophotometer, and calculates the plurality of concentration values, the plurality of color difference values, and the color values according to the spectral values of the plurality of 17 color quality control guide tables. Expand the value of multiple outlets. The automatic cloud quality control system calculates the color difference value and the dot expansion value of the plurality of test color blocks and the uploaded standard file by the plural color difference values and the plural dot expansion values. Then, step 140 is performed: displaying the color difference value, the dot expansion value and the color gamut range graph calculated and compared by the automatic cloud quality control system through a webpage. In a specific embodiment, the webpage can display the same work order number, multiple data are uploaded according to the data, and the color difference data of the standard sample is displayed on the chart in a line chart, and the details are listed from top to bottom according to the table. Color difference data and weighted score of each color.

The third figure is a flow chart of the establishment of the visual color scale in a specific embodiment of the new model. As in the embodiment shown in the third figure, the process 300 starts at step 310: printing 63 auxiliary guide tables with a printing machine. In a specific embodiment, the 63-column auxiliary guide table may include a combination of 49 cyan, magenta, and yellow color patches, and 12 black grayscale patches (black ink volume 30%, 35%, 40%, 45% , 50%, 55%, 60%, 65%, 70%, 75%, 80%, 85%) and 2 substrates with white blocks. In a specific embodiment, the total ink volume of the three-color combination is up to 300%, and the ink volume of the initial generation of the color guide is 50% for cyan, 50% for magenta, and 50% for yellow. The amount of cyan ink is unchanged, the amount of magenta and yellow ink is increased or decreased in units of 2%, and the maximum increase and decrease is 6%. According to this rule, 49 combined color blocks can be calibrated (the maximum combined amount of ink is 50% for cyan and 56 for magenta) %, yellow 56%; minimum combination 50%, magenta 44%, yellow 44%), as shown in the fourth figure, the fourth figure illustrates a specific embodiment of the auxiliary guide table. As described above, in the embodiment shown in the fourth figure, the auxiliary guide table 400 includes a CMY combined color grid 410 and a black grayscale color bar 420.

Please refer back to the third figure. After step 310, proceed to step 320: scan a plurality of 63-column auxiliary guide tables by X-rite eyeone spectrophotometer, and calculate the CGATS format spectrum by the X-rite data measurement software ColorPort value. At the same time, the JXQCSOFT software monitors and automatically uploads files to the automatic cloud quality control system, and receives the sixty-three grid auxiliary guide table spectral values transmitted by the spectrophotometer. Next, step 330 is performed: the system calculates and compares the color difference between the three-color combination color block and the black gray-scale color block. Next, proceed to step 340: upload the correction result of the light source file according to the lighting conditions of the production environment, and determine the color difference value with the closest two-color grid and display it on the web page. If the color difference value ΔEab is greater than 2, click to recalculate, so the system will compare the difference L*a*b value and adjust the 49-block tri-color combination ink volume, and regenerate the 63-block auxiliary guide table, and then Repeat step 1. If the color difference value ΔEab is less than 2, it means that it meets the visual color matching application standard. At this time, step 350 is performed: click to generate a second-level visual color guide table under the system (as shown in the fifth figure), and print the visual color matching The second-order guide table is handed over by the on-site operator to visually select the closest color patch. After selecting the color patch, enter the three-color combined color patch ink value and black ink volume value to generate a visual color patch image file (as shown in the sixth figure) . Then, add the image file to the printing layout to control the color ratio on the cloth in the printing process in time to ensure that abnormal quality occurs.

In this embodiment, the fifth diagram illustrates that after step 340 of the third diagram determines that the visual color matching application standard is met, step 350 is performed to generate an auxiliary guide table for the field operator to visually select the closest color patch A specific embodiment includes a black grayscale color bar plus a CMY combined color grid 510. The sixth figure illustrates a specific embodiment of inputting the ink volume value of the three-color combined color patch and the black ink volume after the color patch is selected from the fifth graph to generate a visual quality control pair color patch, which includes black gray levels Color grid 610 and CMY combined color grid 620.

In summary, the new model uses a spectrophotometer and an automatic cloud quality control system to analyze and obtain color difference values, color quantization data and visual quality control tools that are easy for field operators to understand, to solve the conventional non-quantitative data and subjective color difference Judgment and other disadvantages of color quality control. In addition, the new type allows the operator to clearly understand the color difference between the printed product and the standard color sample through the display, and assists the field personnel to easily judge the color yield of the print visually, and can quickly make the corresponding processing. Can meet the requirements for color reproducibility and consistency.

So far, the new type of textile printing cloud quality control system has been explained by the above description and drawings. However, it should be understood that the specific embodiments of the new model are for illustrative purposes only, and various changes can be made without departing from the scope and spirit of the patent application of the new model, and should be included in the patent scope of the new model. Therefore, the specific embodiments described in this specification are not intended to limit the present invention. The true scope and spirit of the present invention are disclosed in the following patent applications.

100: Process

110: Step

120: Step

130: Step

140: steps

200: Quality Control Guide

210:7 color ink full color block

220: 7-color ink 50% ink volume color block

230: substrate color grid

240: Gray scale color grid

300: Process

310: Step

320: Step

330: Step

340: Step

350: Step

400: auxiliary guide

410: CMY combined color grid

420: black grayscale color bar

510: Black grayscale color bar plus CMY combination color grid

610: Black gray scale color grid

620: CMY combined color grid

The first figure is a flowchart of an automatic cloud quality control system in a specific embodiment of the new model.

The second figure is a color block diagram of the quality control table in a specific embodiment of the new model.

The third figure is a flowchart of the visual quality control workflow in a specific embodiment of the new model.

The fourth figure is a schematic diagram of an auxiliary guide table in a specific embodiment of the new model.

The fifth figure is a schematic diagram of an auxiliary guide table in a specific embodiment of the new model.

The sixth figure is a schematic diagram of the visual quality control color block in a specific embodiment of the new model.

100: Process

110: Step

120: Step

130: Step

140: steps

Claims (10)

A cloud printing quality control system for textile printing, including: A spectrophotometer, according to a plurality of test color blocks, generate a plurality of test color block spectral values, and according to an initial auxiliary guide table, generate a plurality of initial auxiliary guide table spectral values; A processor includes a monitoring module that receives the plurality of inspection color patch spectral values and the plurality of initial auxiliary guide table spectral values from the spectrophotometer, and stores the plurality of inspection color patch spectral values To a storage; and A cloud quality control server receives the plurality of inspection color block spectral values and the plurality of initial auxiliary guide table spectral values from the monitoring module, and the cloud quality control server generates a plurality of inspection color block spectral values according to the plurality of inspection color block spectral values The inspection color block density value, the plurality of inspection color block color difference values and the plurality of inspection color block dot expansion values, the cloud quality control server generates a plurality of initial auxiliary guide table color difference values according to the plurality of initial auxiliary guide table spectral values , And generate a final auxiliary guide table based on the color difference values of the plurality of initial auxiliary guide tables; The cloud quality control server generates judgment information by comparing the plurality of test color block color difference values and the plurality of test color block dot expansion values with a standard color difference value and a standard dot expansion value, The judgment information indicates whether the plurality of test color blocks meet a quality control standard, the quality control standard is associated with the standard color difference value and the standard dot expansion value, and the cloud quality control server generates a visual inspection according to the final auxiliary guide table The second-order color guide table and the color block image file at a glance. The textile printing cloud quality control system as described in item 1 of the patent application scope, wherein the final auxiliary guide table is associated with a plurality of final auxiliary guide table spectral values and a plurality of final auxiliary guide table color difference values; wherein the cloud quality control servo The device generates the visual contrast second-order guide table and the visual contrast color block image file according to the plurality of final auxiliary guide table spectral values and/or the plurality of final auxiliary guide table color difference values. The textile printing cloud quality control system as described in item 1 of the patent application scope, wherein the plurality of inspection color blocks include a cyan full version color block, a magenta full version color block, a yellow full version color block, a black full version color block, Red full color patch, blue full color patch, orange full color patch, cyan color patch with 50% ink volume, magenta color patch with 50% ink volume, yellow color patch with 50% ink volume, ink volume 50 % Red color patches, blue color patches with 50% ink volume, orange color patches with 50% ink volume, black color patches with 50% ink volume, and three-color gray patches, where the three-color gray patches are made of cyan with different concentrations Color block, magenta color block and yellow color block are mixed. The textile printing cloud quality control system as described in item 1 of the patent application scope, wherein the final auxiliary guide table includes 49 grids of three-color combination color blocks, 12 grids of black gray-scale color blocks, and 2 pieces of substrate left white blocks; The 49-block tri-color combination color block is composed of cyan, magenta, and yellow. For the textile printing cloud quality control system as described in item 4 of the patent application scope, the 49-block tri-color combination color block is based on a total ink volume of up to 300%, the cyan ink volume is unchanged, and the magenta and yellow ink volume is 2%. Unit increase and decrease, the maximum increase and decrease upper limit is 6%. The textile printing cloud quality control system as described in item 4 of the patent application scope, wherein the 12-block black grayscale color block includes a color block of 30% black ink, a color block of 35% black ink, and a color block of 40% black ink Color block, black ink 45% color block, black ink 50% color block, black ink 55% color block, black ink 60% color block, black ink 65% color block, black Color patches with 70% ink, 75% with black ink, 80% with black ink, and 85% with black ink. The textile printing cloud quality control system as described in item 1 of the patent application scope, wherein the visual contrast second-order guide table contains 49 grids of second-order guide table three-color combination color blocks and a gray color bar; wherein the 49 grids of second-order guide table three The color combination color block is composed of cyan, magenta, and yellow. The cloud printing quality control system as described in item 1 of the patent application scope, wherein when the color difference value of a final auxiliary guide table associated with the final auxiliary guide table is less than a standard color difference value, the cloud quality control server The final auxiliary guide table generates the visual contrast second-order guide table and the visual contrast color block image file. The textile printing cloud quality control system as described in item 1 of the patent application scope, wherein the monitoring module monitors whether the spectrophotometer has generated the plurality of inspection color block spectral values and/or the plurality of initial auxiliary guide table spectral values . The textile printing cloud quality control system as described in item 1 of the patent application scope, wherein the cloud quality control server corrects the plurality of initial auxiliary guide table spectral values based on the information of an ambient light source associated with the current ambient lighting situation to generate the The final auxiliary guide table.

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