Inkhouse management method, device, system and storage medium

Abstract

The application discloses an ink room management method, device and system and a storage medium, wherein the method comprises the following steps: acquiring ERP work order production scheduling data; generating an ink blending plan according to the ERP work order production scheduling data; and executing the ink blending plan, calling an ink blending machine to blend ink according to a blending proportion set in a pre-generated work order formula to obtain a blended special color ink. The application realizes intelligent management of ink formula task execution in an ink room. Furthermore, the application can also realize ink formula management function, work order formula correction function and inventory management function, and the like, reasonably manages ink material use, reduces waste, effectively manages formulas, enables historical formulas to be effectively utilized, effectively manages inventory, improves ink bin management and the execution efficiency of business such as material taking, material issuing, material returning and scrapping, and cost is controllable.

Description

Technical Field

[0001] This invention relates to the field of printing technology, and in particular to a method, apparatus, system and storage medium for ink room management. Background Technology

[0002] Currently, the management of spot color ink rooms in the printing industry is not standardized enough, specifically in the following aspects:

[0003] The current spot color ink mixing technology is outdated: In the initial color mixing process, the ink mixer selects primary color inks based on the customer's sample and weighs them, requiring repeated trial and error proofing on the machine to confirm and record the formula. For subsequent orders of the same type, due to differences in raw materials and printing environment, the ink mixer makes minor adjustments to the formula during proofing. The traditional ink mixing machine first scrapes the ink from the ink canister into the mixing cylinder with a doctor blade, which can leave residue. Then, at least two employees are needed to mix the ink, and when using a square mixing cylinder, uneven mixing can occur at the edges. Finally, cleaning the mixing cylinder, due to its weight, also requires two employees, and residual ink at the edges is difficult to clean thoroughly. Therefore, the current ink mixing process is inaccurate and time-consuming.

[0004] Outdated ink preparation room formula management: After the ink mixing process, the final formula is recorded on paper, and the paper formulas for all products' dedicated inks are stored in a storage cabinet. When producing the next batch of orders, the storage cabinet is consulted and the formulas are retrieved to guide the ink mixing process. However, due to various factors such as color differences in raw materials like paper and ink from different batches, and differences in printing performance of different machines, the formula ratios often need to be fine-tuned.

[0005] Non-standard material labeling in the ink room: Ink labels in the ink room are not standardized, lack a uniform format, and are missing relevant information, causing difficulties in ink management. Non-standard material issuance and return in the ink room: Materials are issued and returned arbitrarily without registration, resulting in the accumulation of surplus materials and significant waste.

[0006] Therefore, it is necessary to propose a solution to address the lack of standardization in ink room management, including the formulation, production, materials, and inventory of spot color inks. Summary of the Invention

[0007] In view of the shortcomings of the prior art, the purpose of this invention is to provide a method, apparatus, system and storage medium for managing ink rooms, which can realize intelligent management of ink rooms.

[0008] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0009] An ink room management method, the method being applied to an ink room management system, the method comprising the following steps:

[0010] Obtain ERP work order scheduling data;

[0011] Based on the ERP work order scheduling data, an ink mixing plan is generated;

[0012] The ink mixing plan is executed, and the ink mixing machine is called to mix the ink according to the ink mixing ratio set in the pre-generated work order formula to obtain the mixed spot color ink.

[0013] In the ink room management method, the step of executing the ink mixing plan and calling the ink mixing machine to mix ink according to the ink mixing ratio set in the pre-generated work order formula to obtain the mixed spot color ink includes:

[0014] According to the ink mixing plan, the base color ink is taken out from the primary warehouse and transferred to the secondary ink mixing warehouse in the workshop.

[0015] The ink mixing machine is called to mix colors according to the ink mixing ratio set in the pre-generated work order formula. During the ink mixing process, the ink packaging box of the base color ink is automatically read by a barcode scanning device. If the barcode is successfully scanned, the base color ink is considered to have been converted into a spot color ink.

[0016] After the spot color ink is mixed, take a sample of the spot color ink for color development and compare it with the standard sample. If the color difference requirement is met, save the color development sample number, save the corresponding data to the system, and generate a spot color ink label, which is then affixed to the designated location in the storage container. If the color difference requirement is not met, add ink again for adjustment until the requirement is met.

[0017] In the ink room management method, before the step of executing the ink mixing plan and calling the ink mixing machine to mix ink according to the ink mixing ratio set in the pre-generated work order formula to obtain the mixed spot color ink, the method further includes:

[0018] Pre-correction of work order formulas, specifically including:

[0019] Obtain incoming material inspection data from the ERP system;

[0020] The incoming material inspection data is synchronized to the ink management system. Through the pre-built work order color matching database, the pre-created standard formula of spot color ink products is modified by the formula modification algorithm to generate the work order formula.

[0021] The ink room management method further includes the following steps before the step of performing work order formula pre-correction:

[0022] Creating standard formulations for spot color ink products, specifically including:

[0023] Establish a basic database for work order color schemes;

[0024] Based on the aforementioned work order color matching database, calculate the target color formula;

[0025] Based on the calculation results of the target color formula, a standard formula for spot color ink products is created.

[0026] In the ink room management method, the step of calculating the target color formula based on the base ink library includes:

[0027] Based on the work order color matching database, the target color is measured, and the initial formula is calculated through a preset initial color matching algorithm.

[0028] Spectral measurements are performed using a small sample color development method. The initial formula is then corrected based on the measurement results and a preset correction formula algorithm until the similarity between the small sample color development and the target color reaches a preset standard, thus obtaining the target color formula calculation result.

[0029] The ink room management method further includes:

[0030] When the ink mixing plan is detected to have not been completed as planned, a warning message will be displayed on the ink mixing dashboard; and / or

[0031] After the spot color ink is mixed, obtain the actual ink formula and record the current substrate and base color ink data;

[0032] If a situation is detected where the dosage difference from the standard formula of the spot color ink product reaches a preset dosage threshold within a preset time period, a standard formula correction reminder will be issued, and based on the formula records for each batch, suggestions for formula modification data will be provided to modify the standard formula of the spot color ink product.

[0033] The ink room management method further includes:

[0034] Inventory management for the ink room specifically includes at least one of the following:

[0035] Manage the inbound and outbound inventory of primary color inks;

[0036] After the spot color ink is prepared, the spot color ink is stored in the spot color ink tank.

[0037] Upon receiving a spot color ink requisition instruction, the machine requisitions spot color ink from the spot color ink warehouse. After scanning the barcode, the machine removes the material label of the requisitioned spot color ink from the inventory of the spot color ink warehouse. The remaining spot color ink is returned to the spot color ink warehouse by the machine, and a corresponding material label is generated.

[0038] When a work order production procurement request is received, the remaining ink in the inventory is used in the work order MRP calculation to generate the procurement request.

[0039] When the usage time of the spot color ink reaches the set overdue time, an overdue warning for the spot color ink will be issued according to the set overdue time.

[0040] Based on the set production and usage time, a reminder will be issued to consume the spot color ink; if it is not used within the specified period, a scrapping reminder will be issued.

[0041] An ink room management device, the device comprising:

[0042] The acquisition module is used to acquire ERP work order scheduling data;

[0043] The generation module is used to generate an ink mixing plan based on the ERP work order scheduling data;

[0044] The execution module is used to execute the ink mixing plan, call the ink mixing machine to mix the ink according to the ink mixing ratio set in the pre-generated work order formula, and obtain the mixed spot color ink.

[0045] An ink room management system includes at least one processor and a memory communicatively connected to the at least one processor, wherein...

[0046] The memory stores instructions that can be executed by the at least one processor, which enables the at least one processor to perform the ink room management method described above.

[0047] A computer-readable storage medium storing computer-executable instructions, which, when executed by one or more processors, cause the one or more processors to perform the ink room management method described above.

[0048] Compared to existing technologies, this invention achieves intelligent management of ink formulation tasks in the ink room by acquiring ERP work order scheduling data; generating ink mixing plans based on the ERP work order scheduling data; executing the ink mixing plan, calling the ink mixing machine to mix colors according to the ink mixing ratio set in the pre-generated work order formula, and obtaining the mixed spot color ink. Furthermore, it can also realize ink formula management functions, work order formula correction functions, and inventory management functions, rationally managing ink material usage, reducing waste, effectively managing formulas, making historical formulas effective, and ensuring that all formulas can be accurately and consistently mixed; generating work order formulas based on each batch of incoming material inspection to avoid insufficient or excessive ink purchases; effective inventory management to improve the efficiency of ink warehouse management and the execution of operations such as material requisition, issuance, return, and scrapping, strictly adhering to the first-in, first-out principle of warehouse issuance, achieving accurate inventory, transparent accounting, and controllable costs. Attached Figure Description

[0049] Figure 1 This is a flowchart illustrating an embodiment of the ink room management method of the present invention.

[0050] Figure 2This is a schematic diagram of the system architecture involved in the ink room management method of the present invention.

[0051] Figure 3 This is a schematic diagram illustrating the functional principle of the ink room management system of the present invention.

[0052] Figures 4a-4d These are schematic diagrams showing the absorption and scattering ratios of samples with different concentrations of yellow, red, blue, and black ink.

[0053] Figures 5a-5d These are schematic diagrams showing the residuals of the absorption and scattering ratios of yellow, red, blue, and black inks at various concentrations and their color matching optical constants.

[0054] Figure 6 This is a schematic diagram of the system software structure principle involved in the embodiments of the present invention.

[0055] Figure 7 This is a schematic diagram of the functional modules of the ink room management device provided in an embodiment of the present invention.

[0056] Figure 8 This is a schematic diagram of the hardware structure of the ink room management system provided in an embodiment of the present invention.

[0057] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0058] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0059] Reference Figure 1 An embodiment of the present invention provides an ink room management method, the method being applied to an ink room management system, the method comprising the following steps:

[0060] S101, retrieve ERP work order scheduling data;

[0061] The method is applied to the ink room management system, such as... Figure 2 As shown, the system architecture involved in this embodiment includes: ink room management system, ERP, and ink mixing machine, with the ink room management system interfacing with the ERP and ink mixing machine.

[0062] Specifically, the ERP system synchronizes material master data with the ink room management system, integrates incoming material inspection quality data, and shares warehouse inventory data. The ink room management system integrates with the ERP work order scheduling data and shares the ERP material unit price.

[0063] Meanwhile, the ink room management system connects to the ink mixing machine, which then mixes inks according to the mixing plan and ink ratio.

[0064] like Figure 3 As shown, the ink room management method of the present invention can realize intelligent management of the ink room, mainly including: ink formula calculation function, work order formula correction function, ink mixing task execution function, and inventory management function. This embodiment first explains the ink mixing task execution function.

[0065] First, the ink room management system connects with the ERP data to obtain ERP work order scheduling data.

[0066] S102, Generate an ink mixing plan based on the ERP work order scheduling data;

[0067] Then, the ink management system generates an ink allocation plan based on the work order scheduling data. The allocation plan includes the corresponding work order for the ink, the total amount required, the quantity and location of remaining ink in inventory, etc.

[0068] S103, execute the ink mixing plan, call the ink mixing machine to mix the ink according to the ink mixing ratio set in the pre-generated work order formula, and obtain the mixed spot color ink.

[0069] Specifically, the ink room management system retrieves the base color ink from the primary warehouse to the secondary ink mixing warehouse in the workshop according to the ink mixing plan; it calls the ink mixing machine to mix the ink according to the ink mixing ratio set in the pre-generated work order formula. During ink mixing, the ink packaging box of the base color ink is automatically scanned by a barcode recognition device. If the barcode is successfully scanned, it is considered that the base color ink has been converted into a spot color ink.

[0070] After the spot color ink is mixed, take a sample of the spot color ink for color development and compare it with the standard sample. If the color difference requirement is met, save the color development sample number, save the corresponding data to the system, and generate a spot color ink label, which is then affixed to the designated location in the storage container. If the color difference requirement is not met, add ink again for adjustment until the requirement is met.

[0071] Furthermore, before the step of executing the ink mixing plan and calling the ink mixing machine to mix the ink according to the ink mixing ratio set in the pre-generated work order formula to obtain the mixed spot color ink, the following steps are also included:

[0072] Perform pre-correction of work order recipes to realize the work order recipe correction function, combined with Figure 3 As shown, it specifically includes:

[0073] Obtain incoming material inspection data from the ERP system;

[0074] The incoming material inspection data is synchronized to the ink management system. Through the pre-built work order color matching database, the pre-created standard formula of spot color ink products is modified by the formula modification algorithm to generate the work order formula.

[0075] Furthermore, the step of performing work order formula pre-correction also includes:

[0076] Create standard formulations for spot color ink products and implement ink formulation calculation functions, specifically including:

[0077] Establish a basic database for work order color schemes;

[0078] Based on the aforementioned work order color matching database, calculate the target color formula;

[0079] Based on the calculation results of the target color formula, a standard formula for spot color ink products is created.

[0080] The step of calculating the target color formula based on the ink library includes:

[0081] Based on the work order color matching database, the target color is measured, and the initial formula is calculated through a preset initial color matching algorithm.

[0082] Spectral measurements are performed using a small sample color development method. The initial formula is then corrected based on the measurement results and a preset correction formula algorithm until the similarity between the small sample color development and the target color reaches a preset standard, thus obtaining the target color formula calculation result.

[0083] Furthermore, the method also includes:

[0084] When the ink mixing plan is detected to have not been completed as planned, a warning message will be displayed on the ink mixing dashboard; and / or

[0085] After the spot color ink is mixed, obtain the actual ink formula and record the current substrate and base color ink data;

[0086] If a situation is detected where the dosage difference from the standard formula of the spot color ink product reaches a preset dosage threshold within a preset time period, a standard formula correction reminder will be issued, and based on the formula records for each batch, suggestions for formula modification data will be provided to modify the standard formula of the spot color ink product.

[0087] Overall, the ink management system retrieves ink from the primary storage warehouse to the secondary ink storage warehouse in the workshop according to the ink mixing plan.

[0088] During ink mixing, the ink packaging boxes are automatically scanned by a barcode scanner. Successful scanning indicates the ink has been converted from a base color to a spot color. After mechanical mixing, the spot color ink is prepared. The ink mixer then compares the spot color ink with a standard sample. If the color difference requirement is met, the sample is numbered and saved, and the corresponding data is stored in the system. If the color difference requirement is not met, ink needs to be added again for adjustment until the requirement is met. After the spot color ink is mixed, the system generates a spot color ink label, which is affixed to the designated location on the storage container. At this point, the system automatically assumes the ink mixing plan is complete and displays the completion status on the ink mixing dashboard, indicating that the corresponding work order meets the production requirements. If the ink mixing plan is not completed as scheduled, a warning will appear on the ink mixing dashboard. If the ink room still fails to handle the warning in a timely manner, the information will be escalated to the supervisor. This is to reduce the impact of insufficient spot color ink preparation on work order plans.

[0089] After each work order's spot color mixing is completed, an actual ink formula is generated, and the system records the current substrate and base color ink data. If there are persistent discrepancies between the ink usage and the standard formula, the system will issue a standard formula correction reminder and provide scientific formula modification data suggestions based on each batch of formula records. The process department will then modify the BOM usage and the formula according to the actual situation.

[0090] Furthermore, the method may also include inventory management functions, specifically including at least one of the following:

[0091] Manage the inbound and outbound inventory of primary color inks;

[0092] After the spot color ink is prepared, the spot color ink is stored in the spot color ink tank.

[0093] Upon receiving a spot color ink requisition instruction, the machine requisitions spot color ink from the spot color ink warehouse. After scanning the barcode, the machine removes the material label of the requisitioned spot color ink from the inventory of the spot color ink warehouse. The remaining spot color ink is returned to the spot color ink warehouse by the machine, and a corresponding material label is generated.

[0094] When a work order production procurement request is received, the remaining ink in the inventory is used in the work order MRP calculation to generate the procurement request.

[0095] When the usage time of the spot color ink reaches the set overdue time, an overdue warning for the spot color ink will be issued according to the set overdue time.

[0096] Based on the set production and usage time, a reminder will be issued to consume the spot color ink; if it is not used within the specified period, a scrapping reminder will be issued.

[0097] The following combination Figure 3 The ink formula calculation function, work order formula correction function, ink mixing task execution function, and inventory management function of this invention are described in detail below:

[0098] (a) Formula calculation function of ink room management system.

[0099] The formula is calculated by measuring the target color and then using the color matching function. The color of the sample is then measured using a spectrum. The formula is then corrected based on the measurement results until the sample is close to the target, thus creating a standard product formula.

[0100] Specifically, the ink formulation calculation methods include:

[0101] 1. Initial Recipe Algorithm

[0102] The color matching model based on the KM single constant theory first constructs a forward spectral prediction model that predicts the spectrum of the target color mixing sample by the ratio of the single-component base ink (i.e., the mass ratio), as shown in formula (1); then constructs a reverse ratio prediction model that predicts the ratio of each single-component base ink by the color of the target color sample, as shown in formula (4). The forward spectral prediction model is composed of the KM single constant theory and Duncan's additive law of pigment mixing; the reverse ratio prediction model is obtained by the reverse optimization solution of the forward spectral prediction model. The color matching of spot color inks is regarded as a constrained optimization problem. It is to find the optimal base ink ratio that minimizes the matching objective function value under certain constraints, as shown in the first formula in formula (5).

[0103] The forward spectral prediction model constructs the mapping relationship between the single-component base ink ratio and the spectral reflectance of the mixed sample with the diluent, as shown in formula (1). Specifically, it includes: the relationship model between the optical constant (i.e., the unit concentration absorption scattering ratio, obtained by the least squares method) and the spectral reflectance based on the KM single constant theory, as shown in formula (2); and the Duncan colorant linear mixing optical model, as shown in formula (3).

[0104] r mix,λ =F(c1,c2,...,c n ,r 1,λ ,r 2,λ ,...,r n,λ ,r p,λ (1)

[0105] In the formula: r mix,λ c represents the spectral reflectance of the base ink mixed sample. n The mass ratio of each base ink; n represents the type of single-component base ink; r n r represents the spectral reflectance of each component ink. p,λ The spectral reflectance of the substrate.

[0106]

[0107] In the formula: The absorption scattering ratio; r λ denoted as spectral reflectance.

[0108]

[0109] In the formula: The absorption-scattering ratio of the substrate; denoted as the absorption-scattering ratio of the i-th single-component base ink.

[0110] The reverse proportioning prediction model constructs the mapping relationship between the spectral reflectance of the base ink mixture sample and the proportion of each individual base ink component, which is the reverse solution of the forward spectral prediction model, as shown in formula (4). Based on the spectra of each individual base ink component, the substrate, and the base ink mixture sample, the mass ratio of each individual base ink component in the mixture sample is solved by the reverse prediction model.

[0111] [c1,c2,...,c n ] T =F -1 (r mix,λ ,r 1,λ ,r 2,λ ,...,r n,λ ,r p,λ (4)

[0112] In the formula: r mix,λ c represents the spectral reflectance of the base ink mixed sample. n The mass ratio of each base ink; n represents the type of single-component base ink; r n r represents the spectral reflectance of each component ink. p,λ The spectral reflectance of the substrate.

[0113] Since the forward prediction model is generally unable to solve its inverse function as a complex nonlinear function, the reverse matching prediction is regarded as a constrained nonlinear optimization problem. The objective function of the iterative optimization is to minimize the spectral matching error between the predicted spectrum and the target color mixing sample spectrum, i.e., minRMSE, as shown in Equation (5).

[0114]

[0115] In the formula: c n The mass ratio of each base ink; n represents the type of single-component base ink; r predicted To predict spectral reflectance; r targeted The target color is a mixed sample spectrum.

[0116] To achieve forward spectral prediction and reverse proportion prediction, the constrained optimization function tool in MATLAB is called: fmincon(fun,x0,A,b,Aeq,beq,lb,ub,nonlcon,options).

[0117] It should be noted that the above formula (1) is a general concept formula, indicating the mapping relationship between the ratio of single-component base ink and the spectral reflectance of the mixed sample of single-component base ink and diluent; formulas (2) and (3) are the underlying formulas supporting formula (1). The formula is actually solved by formula (4). The specific solution method of formula (4) is to call the constrained optimization problem function tool in MATLAB: fmincon(fun,x0,A,b,Aeq,beq,lb,ub,nonlcon,options).

[0118] Forward spectral prediction models and inverse ratio prediction models can employ relevant techniques, which will not be detailed here.

[0119] 2. Improve the recipe algorithm, specifically including:

[0120] ① Convert the spectral data of the initial formulation sample to obtain tristimulus value data: initial formulation sample XYZ;

[0121] In practice, this can be achieved through measurements using a spectrometer or other related equipment such as a spectrophotometer.

[0122] ② Convert the spectral data of the target color to obtain tristimulus value data: target color XYZ;

[0123] ③ Calculate the difference ΔXYZ between the initial formula sample XYZ and the target color XYZ;

[0124] ④ ΔXYZ correction (which is essentially chromaticity correction), the objective function is selected as minΔE: target color'XYZ = target colorXYZ - ΔXYZ;

[0125] Specifically, in theory, the color should be adjusted from the initial formula to be closer to the target color; in practice, the opposite is true, the target color is adjusted to be closer to the formula to be adjusted, and the color of the final adjusted formula is closer and closer to the target color.

[0126] ⑤ Continue to use formula (5) to solve for the correct formula.

[0127] The specific calculation formula can be found in equation (5), except that the right side of the equal sign in the first row of equation (5) is changed to [(ΔL)]. 2 +(Δa) 2 +(Δb) 2 ] 1 / 2 .

[0128] (ii) Work order recipe correction function, i.e. work order recipe pre-correction function.

[0129] Because each batch of raw materials (substrate and ink) may experience batch-to-batch quality fluctuations (color instability), the arrival data for each batch of substrate and ink will affect the current work order formula. Therefore, the actual formula required for each batch is the work order formula. Each batch of incoming materials undergoes incoming material inspection. The inspection data is synchronized to the ink management system and compared with the substrate and ink in the formula management database to generate the work order formula. Based on the work order quantity and unit usage, the total amount of spot color ink to be mixed is generated. If there is spot color ink in stock, the system automatically deducts the inventory amount. If a potential material shortage is calculated based on the work order formula, the process department and purchasing department will be automatically notified to replenish the materials.

[0130] The work order recipe pre-calibration method is as follows:

[0131] 1) The standard color matching database used for solving standard formulas includes, but is not limited to:

[0132] ①Substrate color matching optical constants For [(k / s)] p,400 (k / s) p,410 (k / s) p,420 ,…,(k / s) p,700 ] T , that is, the color matching optical constant of the substrate at various wavelengths λ (400nm~700nm), where p represents the substrate;

[0133] ②Base ink color matching optical constants For [(k / s)] i,400 (k / s) i,410 (k / s) i,420 ,…,(k / s) i,700 ] T , that is, the color matching optical constant of the base ink at various wavelengths λ (400nm~700nm), where i represents the base ink;

[0134] ③ Absorption-scattering ratio of each concentration c (e.g., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1) in the base ink hue gradient. For [(k / s)] i,400,c (k / s) i,410,c (k / s) i,420,c ,…,(k / s) i,700,c ] T That is, the absorption and scattering ratio of the base ink at each concentration at each wavelength λ (400nm~700nm).

[0135] 2) Measure the spectral reflectance of the substrate and base ink in the batch using a spectrophotometer or spectrometer, and then solve for the color matching optical constant of the substrate and the absorption-scattering ratio of the base ink with a concentration c of 1 using formulas (2) and (3) respectively. For [(k / s)' p,400 ,(k / s)' p,410 ,(k / s)' p,420 ,…,(k / s)' p,700 ] T When the base ink concentration c is 1, the absorption scattering ratio For [(k / s)' i,400,1 ,(k / s)' i,410,1 ,(k / s)' i,420,1 ,…,(k / s)' i,700,1 ] T .

[0136] 3) Before pre-calibrating the work order formula, a basic database of work order color matching must be established, which includes, but is not limited to:

[0137] ①Substrate color matching optical constants For [(k / s)' p,400 ,(k / s)' p,410 ,(k / s)' p,420 ,…,(k / s)' p,700 ] T ;

[0138] ②Base ink color matching optical constants For [(k / s)' i,400 ,(k / s)' i,410 ,(k / s)' i,420 ,…,(k / s)' i,700 ] T .

[0139] To obtain the color matching optical constants of the base ink First, analyze the optical constants of the base ink color matching in the standard color matching database. (Obtained by combining the absorption and scattering ratios at each concentration c in the hue gradient using the least squares method, i.e., linear regression) with the absorption and scattering ratios at each concentration. The residuals between concentrations are used to calculate the squared residuals (RS) at the principal absorption wavelength for each concentration. And the residual sum of squares (RSS): This allows us to obtain the percentage of the squared residuals for each concentration: That is, the residual squared weighting factor for each concentration is obtained; secondly, the absorption-scattering ratio is calculated when the batch base ink concentration c is 1. Absorption-scattering ratio when the base ink concentration c is 1 in the standard color matching database Deviation between Again, through Right now The absorption and scattering ratios of other concentrations in the base ink of the same batch were obtained by solving the problem. Absorption-scattering ratio of base inks at corresponding concentrations in the standard color matching database Deviation between Then by The absorption and scattering ratios of other concentrations in the base ink of the same batch were obtained by solving the problem. Finally, based on the above calculations of the absorption and scattering ratios of various concentrations in the base ink of that batch... The color matching optical constants of the base ink in this batch are obtained by solving the problem using the least squares method.

[0140] like Figures 4a-4d The figures shown are schematic diagrams illustrating the absorption and scattering ratios of samples with different concentrations of yellow, red, blue, and black ink.

[0141] like Figures 5a-5d The figures shown are schematic diagrams illustrating the residuals of the absorption and scattering ratios of yellow, red, blue, and black inks at various concentrations and their color matching optical constants.

[0142] 4) The process of obtaining work order formulas by modifying the standard formulas using a formula modification algorithm through the work order color matching database is called work order formula pre-calibration.

[0143] (III) Ink mixing task execution function.

[0144] The ink management system is connected to the ERP data. Based on work order scheduling data, the ink management system generates an ink mixing plan. The mixing plan includes the corresponding work order, the total required quantity, the quantity and location of remaining ink in stock. The ink mixing room retrieves ink from the primary warehouse to the secondary ink mixing warehouse in the workshop according to the mixing plan. During ink mixing, the ink packaging boxes are automatically scanned by a barcode scanner. Successful scanning indicates the ink is being converted from a base color to a spot color. After mechanical mixing, the spot color ink is mixed. The ink mixer takes the spot color ink for color development and compares it with a standard sample. If the color difference requirement is met, the color development sample is numbered and saved, and the corresponding data is saved to the system. If the color difference requirement is not met, ink needs to be added again for adjustment until the requirement is met. After the spot color ink is mixed, the system generates a spot color ink label, which is affixed to the designated location on the storage container. At this point, the system automatically defaults to the completion of the ink mixing plan, displaying the completion status on the ink mixing dashboard, indicating that the corresponding work order meets the production requirements. If the ink mixing plan is not completed as scheduled, an alert will appear on the ink mixing dashboard. If the ink room still fails to handle the alert in a timely manner, the information will be escalated to the supervisor. The purpose is to reduce the impact of insufficient preparation of spot color inks on work order plans.

[0145] After each work order's spot color mixing is completed, an actual ink formula is generated, and the system records the current substrate and base color ink data. If there are persistent discrepancies between the ink usage and the standard formula, the system will issue a standard formula correction reminder and provide scientific formula modification data suggestions based on each batch of formula records. The process department will then modify the BOM usage and the formula according to the actual situation.

[0146] (iv) Inventory Management Function. The warehouse is divided into a primary warehouse, a secondary ink mixing warehouse, a special color ink warehouse, and a machine warehouse. The primary warehouse refers to the storage warehouse for purchased ink materials, and the secondary ink mixing warehouse refers to the ink mixing room for mixing special color inks with base inks.

[0147] All primary and spot color inks are identified using QR codes, barcodes, or RFID tags, and are equipped with corresponding tag recognition devices for easy data reading and entry. This system primarily uses RFID tags combined with information identifiable by the human eye. Each storage area employs RFID devices for rapid and efficient aggregate identification.

[0148] Based on work order requirements, base color ink is allocated from the primary warehouse to the secondary ink mixing warehouse. Spot color ink, after being mixed, is stored in the spot color ink warehouse. The printing machine then retrieves spot color ink from the secondary spot color ink warehouse as needed. After scanning the barcode, the spot color ink is consumed from the inventory. Any remaining spot color ink is returned to the spot color ink warehouse by the printing machine, and the system generates a corresponding material label.

[0149] The system records the arrival time of spot color inks. Each time a production order requires ink, the remaining ink inventory is included in the work order's MRP calculation, ensuring accurate production of the required ink. It issues warnings and reminders based on set overdue times, and prompts for disposal if ink is not used within the set time.

[0150] To implement the ink room management solution of the present invention, the present invention also designs a corresponding system software architecture, the schematic diagram of which is shown below. Figure 6 As shown:

[0151] The system software architecture is divided into 7 layers, which are described below:

[0152] 1. Access Object

[0153] This refers to all user roles in the ink management system. Each role can contain multiple users, and each user can be individually authorized to access and operate specified services.

[0154] 2. Operating Platform

[0155] The operating platform refers to the terminal device used by users when accessing this system. This system can support a variety of terminal devices, including desktop computers, large-screen terminals, mobile devices, etc.

[0156] 3. Access Layer

[0157] The access layer refers to the communication methods and protocols that this system must follow when connecting with other third-party platform systems, including login authentication, single sign-on, security management, and other related content.

[0158] 4. Application Service Layer

[0159] The application service layer mainly refers to the main services provided by this system, including warehouse management, mold room management, ink mixing management, information sharing and other related services. Other services may also be added according to actual needs.

[0160] 5. Business Support Layer

[0161] The business support layer mainly refers to the additional business that needs to be completed to realize the main business, including user management, permission management, approval workflow, statistical reports and other related services.

[0162] 6. Integration and Development Framework Layer

[0163] The integration and development framework layer mainly refers to the basic software frameworks required for system implementation, including the basic frameworks needed for development, production, and testing environments.

[0164] 7. Data Layer

[0165] The data layer mainly refers to all the data that the system needs to access during runtime. In addition to business data, log data, and statistical data generated locally by the system, it also includes external data synchronized from other platform systems. All the data together support the normal business operation of the entire platform.

[0166] Compared with the prior art, the solution of the present invention has the following advantages:

[0167] 1. Manage ink material usage rationally to reduce waste. Design a pre-production ink management system, including formula management, ink mixing management, and production management. The system accurately estimates the amount of ink required for production and avoids mixing excess ink.

[0168] 2. Effective formula management ensures that historical formulas can be effectively utilized, and all formulas can be formulated accurately and consistently.

[0169] 3. Generate work order formulas based on the inspection of each batch of incoming materials to avoid insufficient ink or excessive purchases.

[0170] 4. Manage residual ink more effectively, improve the efficiency of residual ink use, and reduce waste.

[0171] 5. Effective data utilization: Data sharing with ERP or MES systems enables order management, production planning, and ink management to be linked, reducing the impact of ink mixing schedule on the efficiency of production work order implementation.

[0172] 6. Effective inventory management improves the efficiency of ink warehouse management and the execution of operations such as material requisition, issuance, return, and scrapping. It strictly adheres to the first-in, first-out principle for warehouse material issuance, achieving accurate inventory counts, transparent accounting, and controllable costs.

[0173] Furthermore, this invention can also achieve standard formula maintenance: for the same product's production history, regression analysis is performed on the historical work order formula change patterns, raw material change patterns, and ink usage per unit area change patterns to establish a regression model, precisely fine-tune the standard formula, and update and maintain the standard formula.

[0174] Furthermore, this invention can also achieve the reuse of residual ink: for the target spot color of the formula to be predicted, during formula prediction or work order formula pre-correction, by traversing the inventory of residual ink information in the color matching database, the minimum formula error is minimized. The remaining ink is optimized by weighting factors such as minimum color difference (min Delta E) and / or minimum spectral difference (min RMSE) and the degree of proximity to the expiration date.

[0175] Furthermore, another embodiment of the present invention provides an ink room management device, such as... Figure 7 As shown, the device includes:

[0176] Module 11 is used to acquire ERP work order scheduling data;

[0177] The generation module 12 is used to generate an ink mixing plan based on the ERP work order scheduling data;

[0178] The execution module 13 is used to execute the ink mixing plan, call the ink mixing machine to mix the ink according to the ink mixing ratio set in the pre-generated work order formula, and obtain the mixed spot color ink.

[0179] The implementation principle of this embodiment is explained in the above embodiments and will not be repeated here.

[0180] Another embodiment of the present invention also proposes an ink room management system, such as... Figure 8 As shown, the system 100 includes at least one processor 101 and a memory 102 communicatively connected to the at least one processor, wherein... Figure 8 The following description uses a processor 101 as an example. The processor 101 and the memory 102 can be connected via a bus or other means. Figure 8 Taking the example of a connection between China and Israel via a bus.

[0181] Processor 101 is used to perform various control logics of system 100, and can be a general-purpose processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), field-programmable gate array (FPGA), microcontroller, ARM (Acorn RISC Machine) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination of these components. Furthermore, processor 101 can also be any conventional processor, microprocessor, or state machine. Processor 101 can also be implemented as a combination of computing devices, such as a combination of DSP and microprocessor, multiple microprocessors, one or more microprocessors combined with DSP and / or any other such configuration.

[0182] Memory 102, as a non-volatile computer-readable storage medium, can be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as the program instructions corresponding to the intelligent ink room management method in the embodiments of the present invention. Processor 101 executes various functional applications and data processing of system 100 by running the non-volatile software programs, instructions, and units stored in memory 102, thereby implementing the intelligent ink room management method in the above-described method embodiments. Memory 102 may include a program storage area and a data storage area. The program storage area may store the operating system and at least one application program required for a function; the data storage area may store data created according to the use of system 100, etc. Furthermore, memory 102 may include high-speed random access memory and may also include non-volatile memory, such as at least one disk storage device, flash memory device, or other non-volatile solid-state storage device. In some embodiments, memory 102 may optionally include memory remotely located relative to processor 101, and these remote memories can be connected to system 100 via a network. Examples of such networks include, but are not limited to, the Internet, enterprise intranets, local area networks, mobile communication networks, and combinations thereof.

[0183] One or more units are stored in memory 102, and when executed by one or more processors 101, they execute the ink room intelligent management method in any of the above method embodiments.

[0184] Another embodiment of the present invention provides a non-volatile computer-readable storage medium storing computer-executable instructions that are executed by one or more processors, for example, to perform the above-described instructions. Figure 1 The methods and steps in the text.

[0185] As examples, non-volatile storage media can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable ROM (EEPROM), or flash memory. Volatile memory can include random access memory (RAM) as external cache memory. By way of illustration and not limitation, RAM can be obtained in many forms such as synchronous RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), dual data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), Synchlink DRAM (SLDRAM), and direct Rambus RAM (DRRAM). The memory components or memories disclosed in the operating environment described herein are intended to include one or more of these and / or any other suitable types of memory.

[0186] In summary, this invention achieves intelligent management of ink formulation tasks in the ink room by acquiring ERP work order scheduling data; generating ink mixing plans based on the ERP work order scheduling data; executing the ink mixing plan, and calling the ink mixing machine to mix colors according to the ink mixing ratio set in the pre-generated work order formula to obtain the mixed spot color ink. Furthermore, it can also realize ink formula management functions, work order formula correction functions, and inventory management functions, rationally managing ink material usage, reducing waste, effectively managing formulas, ensuring the effective use of historical formulas, and ensuring that all formulas can be accurately and consistently mixed; generating work order formulas based on the inspection of each batch of incoming materials to avoid insufficient or excessive ink purchases; and effective inventory management to improve the efficiency of ink warehouse management and the execution of operations such as material requisition, issuance, return, and scrapping, strictly adhering to the first-in, first-out principle for warehouse issuance, achieving accurate inventory, transparent accounting, and controllable costs.

[0187] The above are merely preferred embodiments of the present invention and do not limit the scope of the patent. Any equivalent structural or procedural transformations made based on the description and drawings of the present invention, or direct or indirect applications in other related technical fields, are similarly included within the scope of patent protection of the present invention.

Claims

1. A method for managing an ink room, characterized in that, The method is applied to an ink room management system, and the method includes the following steps: Obtain ERP work order scheduling data; Based on the ERP work order scheduling data, an ink mixing plan is generated; Execute the ink mixing plan, call the ink mixing machine to mix the ink according to the ink mixing ratio set in the pre-generated work order formula, and obtain the mixed spot color ink; Before the step of executing the ink mixing plan and calling the ink mixing machine to mix the ink according to the ink mixing ratio set in the pre-generated work order formula to obtain the mixed spot color ink, the method further includes: performing work order formula pre-correction, specifically including: Obtain incoming material inspection data from the ERP system; The incoming material inspection data is synchronized to the ink management system. Through the pre-built work order color matching database, the pre-created standard formula of spot color ink products is modified by the formula modification algorithm to generate the work order formula. Before the step of pre-correcting the work order formula, the following also includes: creating a standard formula for spot color ink products, specifically including: Establish a basic database for work order color schemes; Based on the aforementioned work order color matching database, calculate the target color formula; Based on the target color formula calculation results, a standard formula for spot color ink products is created. The work order color matching database includes: substrate color matching optical constants and base ink color matching optical constants; The solution to the color matching optical constants of the base ink includes: Analyze the optical constants of base ink color matching in the standard color matching database Absorption-scattering ratio at various concentrations The residuals between the concentrations are used to calculate the squared residuals (RS) at the main absorption wavelength for each concentration. and residual sum of squares (RSS): Therefore, the percentage of the squared residuals for each concentration can be obtained: That is, the residual squared weighting factor for each concentration is obtained; Calculate the absorption-scattering ratio when the base ink concentration c is 1. Absorption-scattering ratio when the base ink concentration c is 1 in the standard color matching database Deviation between ; pass ,Right now The absorption-scattering ratios of other concentrations in the base ink of the same batch were obtained by solving the problem. Absorption-scattering ratio of base inks at corresponding concentrations in the standard color matching database Deviation between ; Depend on The absorption-scattering ratios of other concentrations in the base ink of the same batch were obtained by solving the problem. ; Based on the above calculations of the absorption and scattering ratios of various concentrations in the current batch of base ink By solving the problem using the least squares method, the color matching optical constants of the base ink in this batch can be obtained. .

2. The method according to claim 1, characterized in that, The step of executing the ink mixing plan and calling the ink mixing machine to mix the ink according to the ink mixing ratio set in the pre-generated work order formula to obtain the mixed spot color ink includes: According to the ink mixing plan, the base color ink is taken out from the primary warehouse and transferred to the secondary ink mixing warehouse in the workshop. The ink mixing machine is called to mix colors according to the ink mixing ratio set in the pre-generated work order formula. During the ink mixing process, the ink packaging box of the base color ink is automatically read by a barcode scanning device. If the barcode is successfully scanned, the base color ink is considered to have been converted into a spot color ink. After the spot color ink is mixed, take a sample of the spot color ink for color development and compare it with the standard sample. If the color difference requirement is met, save the color development sample number, save the corresponding data to the system, and generate a spot color ink label, which is then affixed to the designated location in the storage container. If the color difference requirement is not met, add ink again for adjustment until the requirement is met.

3. The method according to claim 1, characterized in that, The step of calculating the target color formula based on the work order color matching database includes: Based on the work order color matching database, the target color is measured, and the initial formula is calculated through a preset initial color matching algorithm. Spectral measurements are performed using a small sample color development method. The initial formula is then corrected based on the measurement results and a preset correction formula algorithm until the similarity between the small sample color development and the target color reaches a preset standard, thus obtaining the target color formula calculation result.

4. The method according to claim 1, characterized in that, The method further includes: When the ink mixing plan is detected to have not been completed as planned, a warning message will be displayed on the ink mixing dashboard; and / or After the spot color ink is mixed, obtain the actual ink formula and record the current substrate and base color ink data; If a situation is detected where the dosage difference from the standard formula of the spot color ink product reaches a preset dosage threshold within a preset time period, a standard formula correction reminder will be issued, and based on the formula records for each batch, suggestions for formula modification data will be provided to modify the standard formula of the spot color ink product.

5. The method according to claim 1, characterized in that, The method further includes: Inventory management for the ink room specifically includes at least one of the following: Manage the inbound and outbound inventory of primary color inks; After the spot color ink is prepared, the spot color ink is stored in the spot color ink tank. Upon receiving a spot color ink requisition instruction, the machine requisitions spot color ink from the spot color ink warehouse. After scanning the barcode, the machine removes the material label of the requisitioned spot color ink from the inventory of the spot color ink warehouse. The remaining spot color ink is returned to the spot color ink warehouse by the machine, and a corresponding material label is generated. When a work order production procurement request is received, the remaining ink in the inventory is used in the work order MRP calculation to generate the procurement request. When the usage time of the spot color ink reaches the set overdue time, an overdue warning for the spot color ink will be issued according to the set overdue time. Based on the set production and usage time, a reminder will be issued to consume the spot color ink; if it is not used within the specified period, a scrapping reminder will be issued.

6. An ink room management device, characterized in that, The device includes: The acquisition module is used to acquire ERP work order scheduling data; The generation module is used to generate an ink mixing plan based on the ERP work order scheduling data; The execution module is used to execute the ink mixing plan, call the ink mixing machine to mix the ink according to the ink mixing ratio set in the pre-generated work order formula, and obtain the mixed spot color ink; Before the step of executing the ink mixing plan and calling the ink mixing machine to mix the ink according to the ink mixing ratio set in the pre-generated work order formula to obtain the mixed spot color ink, the method further includes: performing work order formula pre-correction, specifically including: Obtain incoming material inspection data from the ERP system; The incoming material inspection data is synchronized to the ink management system. Through the pre-built work order color matching database, the pre-created standard formula of spot color ink products is modified by the formula modification algorithm to generate the work order formula. Before the step of pre-correcting the work order formula, the following also includes: creating a standard formula for spot color ink products, specifically including: Establish a basic database for work order color schemes; Based on the aforementioned work order color matching database, calculate the target color formula; Based on the target color formula calculation results, a standard formula for spot color ink products is created. The work order color matching database includes: substrate color matching optical constants and base ink color matching optical constants; The solution to the color matching optical constants of the base ink includes: Analyze the optical constants of base ink color matching in the standard color matching database Absorption-scattering ratio at various concentrations The residuals between the concentrations are used to calculate the squared residuals (RS) at the main absorption wavelength for each concentration. and residual sum of squares (RSS): Therefore, the percentage of the squared residuals for each concentration can be obtained: That is, the residual squared weighting factor for each concentration is obtained; Calculate the absorption-scattering ratio when the base ink concentration c is 1. Absorption-scattering ratio when the base ink concentration c is 1 in the standard color matching database Deviation between ; pass ,Right now The absorption-scattering ratios of other concentrations in the base ink of the same batch were obtained by solving the problem. Absorption-scattering ratio of base inks at corresponding concentrations in the standard color matching database Deviation between ; Depend on The absorption-scattering ratios of other concentrations in the base ink of the same batch were obtained by solving the problem. ; Based on the above calculations of the absorption and scattering ratios of various concentrations in the current batch of base ink By solving the problem using the least squares method, the color matching optical constants of the base ink in this batch can be obtained. .

7. An ink room management system, characterized in that, The system includes at least one processor and a memory communicatively connected to the at least one processor, wherein, The memory stores instructions that can be executed by the at least one processor to enable the at least one processor to perform the ink room management method according to any one of claims 1-5.

8. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer-executable instructions, which, when executed by one or more processors, cause the one or more processors to perform the ink room management method according to any one of claims 1-5.

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