1353 results about "Digital printing" patented technology

The invention relates to the technical field of digital printing machines, in particular to an intelligent ink droplet control method and system of a digital printing machine and the digital printing machine. The method comprises the steps of real-time data acquisition, multi-dimensional parameter modeling, real-time ink droplet behavior prediction, self-adaptive ink jet parameter adjustment, closed-loop feedback control, medium characteristic self-adaptive matching, intelligent multi-region optimization and environmental factor compensation. Ink droplet behaviors and environmental data are collected in real time through a high-speed camera and various sensors, a nonlinear model is constructed by using a deep learning technology, and a dynamic parameter optimization curve is generated. According to the method, the printing quality and efficiency are remarkably improved, and the method is suitable for various media and complex scenes.

The invention relates to the technical field of digital image processing and digital printing control, in particular to a digital printing color calibration method and system based on real-time image processing, and the method comprises the steps: constructing a fabric surface feature point coordinate set through a mixed feature tracking technology; calculating and predicting a target deformation field of the fabric at the printing position by applying a self-adaptive time domain prediction algorithm; and performing dynamic pixel interpolation on the original digital image by combining the target deformation field and the fabric texture feature map analyzed in real time to generate final printing image data. According to the invention, by combining high-robustness tracking, high-precision adaptive prediction and high-fidelity image generation technologies, the geometric precision and visual quality of printed products are significantly improved.

The invention provides a digital printing defect detection method based on a lightweight network, and the method comprises the steps: inputting a to-be-detected image into a trained detection model, enabling the trained detection model to execute a detection process, and obtaining a detection result whether a digital printing fabric has a defect or not. The detection process comprises the following steps: performing wavelet transform on a to-be-detected image to extract a high-frequency component and a low-frequency component, and extracting contour semantic mixed features by using the high-frequency component and the low-frequency component; enhancing the contour semantic mixed features to obtain enhanced contour semantic mixed features; and performing classification detection according to the enhanced contour semantic mixed features. A wavelet convolution module, a parallel module containing an attention mechanism and an improved multi-scale bottleneck module are designed for the trained detection model, so that the detection effect is improved, more efficient and accurate defect detection under the same hardware condition is realized, and the detection efficiency is improved. The problems of low detection precision, low speed, difficulty in generalization and the like in digital printing fabric defect detection in the prior art are solved.

The invention relates to the technical field of decorative materials, in particular to a decorative material with a 3D texture structure and a preparation method and application of the decorative material. The method comprises the following steps: carrying out digital printing on a pretreated substrate to obtain a 2D pattern layer on the surface of the substrate; coating the surface of the 2D pattern layer with a photocuring coating, carrying out preliminary curing, and then carrying out ink-jet printing of a texture developing solution on the surface subjected to preliminary curing to carry out secondary curing, so as to obtain a cured coating; the cured coating comprises a hardened part and an unhardened part; and after an unhardened part in the cured coating is removed through polishing and wire drawing, a surface coating is coated, and the decorative material with the 3D texture structure is obtained. The textures with different widths and depths can be obtained in a manner of combining primary curing of the coating with ultraviolet absorption of the developing solution, and then a microcosmic coarse and visual smooth form is obtained through polishing and wire drawing treatment, so that the obtained 3D texture structure is closer to natural textures.

The invention relates to the technical field of artificial intelligence, in particular to a digital printer control system based on artificial intelligence and a control method thereof. The system comprises a data collection simulation unit used for collecting historical printing data, generating ink diffusion simulation data and actual ink diffusion images under different conditions, and establishing a defect database at the same time; the prediction model building unit is used for building a space-time prediction model of ink diffusion, training the space-time prediction model by using ink diffusion simulation data, and finally generating a total loss function; and the feedback optimization unit is used for monitoring the change trend of the total loss function in real time. According to the digital printing machine control system based on artificial intelligence and the control method thereof, the prediction precision and the control effect of printing quality can be improved, fine ink diffusion differences caused by paper adsorbability changes can be effectively captured, and therefore accurate prediction of various defects possibly occurring in the printing process is achieved; the printing efficiency and the product quality are improved.

The invention belongs to the technical field of printing management and artificial intelligence, and particularly relates to an intelligent digital printing management system and method based on data processing, and the system comprises a data collection module which obtains the temperature, humidity and dust concentration data of a printing environment; the data processing module is in communication connection with the data acquisition module and is used for receiving the acquired data sent by the data acquisition module; executing data preprocessing, image enhancement and feature extraction based on the acquired data; the data analysis module is in communication connection with the data processing module and is used for receiving the processed data sent by the data processing module; based on the processed data, intelligent analysis and quality evaluation are executed; the control execution module is in communication connection with the data analysis module and is used for receiving the analysis result sent by the data analysis module; and on the basis of the analysis result, real-time control and parameter adjustment are carried out on the printing equipment, the efficiency and quality of the whole printing process are improved, and resource consumption and environmental influence are greatly reduced.

A multiple layered print structure and apparatus to apply a design or image to fabric or cloth is disclosed. The structure may include one or more print layers printed on a substrate and an adhesive layer deposited on the print layer(s). The one or more print layer(s) and adhesive or resin layer may be deposited on the substrate in a pre-set pattern to form the shape profile for the design or image. The print layer(s) include inks or dyes for printing the print features and / or background color(s) of the image or design. The ink may be combined with a binder material to form the print layer(s). In some embodiments, the process includes the step of printing the multiple layered print structure using a combination of digital printing processes simplify the process for printing a design or image on fabric or cloth.

The invention relates to the technical field of digital printing, and discloses a digital printing method, a printing stock is a transparent material and is printed on the reverse side of the printing stock, and the printing method comprises the following steps that gloss oil is printed on the printing stock in a jet printing mode, powder spraying is conducted, and curing is conducted at the same time; the ink spraying system sprays color ink to a printing stock for printing, and a corresponding mirror image color pattern is sprayed and printed; and white ink is jet-printed on the printing stock. According to the digital printing method, printing is carried out on the back face of the transparent printing stock, the pattern can be protected, it is guaranteed that the product always has a good visual effect, the effect that the front face is watched through back face printing and the effect that the front face and the back face are watched through back face printing can be achieved, the perception effect of the pattern is not affected, and the printing effect is good. And a better perception effect can be obtained.

The invention discloses a digital printing quality detection method based on image analysis, and relates to the technical field of digital printing quality intelligent detection, and the method comprises the steps: obtaining the surface texture features of a visible light channel and the base material permeation features of an infrared channel in an HDR image group, carrying out the cross-modal correlation through a space-time attention mechanism, and generating a three-dimensional feature cube; the method comprises the following steps: acquiring material physical characteristics of a printed matter by adopting a reverse Monte Carlo ray tracing algorithm, generating an enhanced feature tensor through splicing of a three-dimensional convolutional network, and performing defect detection and positioning through cross-scale feature aggregation; and an improved DBSCAN clustering algorithm is adopted to carry out spatial aggregation on the defect coordinates to generate a complete defect area, and a defect detection report is output through dynamic threshold classification. According to the method, the three-dimensional feature cube containing the surface texture and the base material permeation features is constructed, accurate inversion of material characteristics such as the ink thickness and the roughness is achieved, and the precision and reliability of digital printing quality detection are improved.

A multiple layered print structure and apparatus to apply a design or image to fabric or cloth is disclosed. The structure may include one or more print layers printed on a substrate and an adhesive layer deposited on the print layer(s). The one or more print layer(s) and adhesive or resin layer may be deposited on the substrate in a pre-set pattern to form the shape profile for the design or image. The print layer(s) include inks or dyes for printing the print features and / or background color(s) of the image or design. The ink may be combined with a binder material to form the print layer(s). In some embodiments, the process includes the step of printing the multiple layered print structure using a combination of digital printing processes simplify the process for printing a design or image on fabric or cloth.

A multiple layered print structure and apparatus to apply a design or image to fabric or cloth is disclosed. The structure may include one or more print layers printed on a substrate and an adhesive layer deposited on the print layer(s). The one or more print layer(s) and adhesive or resin layer may be deposited on the substrate in a pre-set pattern to form the shape profile for the design or image. The print layer(s) include inks or dyes for printing the print features and / or background color(s) of the image or design. The ink may be combined with a binder material to form the print layer(s). In some embodiments, the process includes the step of printing the multiple layered print structure using a combination of digital printing processes simplify the process for printing a design or image on fabric or cloth.

The invention is suitable for the technical field of printing machine equipment, and provides a paper conveying device of a digital printing machine. Comprising an adsorption conveying part, a lifting part, a horizontal conveying part and a storage moving trolley. The adsorption conveying component is fixedly installed on the lifting component, the lifting component is used for driving the storage and loading moving trolley to be lifted, the storage and loading moving trolley is used for storing and loading paper to be conveyed, and the adsorption conveying component is used for adsorbing and conveying the paper on the storage and loading moving trolley to the horizontal conveying component. The horizontal conveying part is used for horizontally conveying paper to digital printing. The ascending shaking mechanism is arranged on the air cylinder assembly close to the air nozzle, so that paper can be driven to shake in the adsorption ascending process, meanwhile, under the cooperation of the air nozzle, paper adhesion is avoided, it is guaranteed that only one piece of paper is conveyed each time, and conveying is more accurate.

The invention discloses a degraded image adversarial learning-based simulation embroidery design image reality evaluation method, and belongs to the technical field of digital printing. The method comprises the following steps: constructing an imitation embroidery design image adversarial learning evaluation model, wherein the model comprises a multi-scale degradation algorithm module, an embroidery design image generation sub-model and an embroidery design image evaluation sub-model; through image degradation, image reconstruction and region-by-region evaluation processes, design reality evaluation of different regions of the embroidery-imitating design image is realized in combination with an adversarial technology.

The invention relates to the technical field of intelligent printing production management, and discloses an intelligent digital printing management method based on data processing. According to the method, before a printing task enters actual production, a virtual task sandbox is created for pre-scheduling deduction; in the sandbox, an order is disassembled into atomic processes through a task decomposition model, and a virtual execution agent binding real-time states of equipment and materials is created for each process. A cross-process constraint network is constructed based on proxy simulation to quantify dependency, competition and space-time conflicts between processes. And operating the constraint to meet the solving process, performing dynamic relaxation and adjustment on the network constraint, and outputting a feasible pre-scheduling scheme. And finally, synchronizing the scheme to a real production queue to start production, and collecting actual data to continuously correct the model and the network. According to the method, the risk-free simulation optimization before production and the dynamic quantitative coordination of the production process are realized, and the scheduling precision, the resource utilization rate and the production delivery reliability are improved.

The invention discloses an automatic planning digital printing control system, which belongs to the technical field of printing control systems and comprises an order uploading, analyzing and planning system and a plurality of digital code identifying and printing units. Each digital code identifying and printing unit has a unique identification code, and the order uploading, analyzing and planning system manages the digital code identifying and printing units based on the unique identification codes; the unique identification code is bound with the size of a textile product with a printed pattern; the order uploading, analyzing and planning system comprises an order uploading module, a server, an order analyzing module, a customer code generating module and an order planning module. Through the above mode, the method achieves the automatic planning and distribution of the textile products to the corresponding digital ink-jet printing machines through the recognition of the sizes of the textile products in the orders, thereby improving the printing efficiency.

The invention provides a lithium battery surface insulation coating digital printing production method, which comprises the steps of UV digital coating, mapping relation establishment, finished product detection, good product grading blanking and defective product repair treatment, and is characterized in that a printing station for executing each surface of a battery and a plurality of nozzles for executing current surface printing are grouped and numbered; and forming a mapping relation table among the printing station, the nozzle and each surface of the battery. When a finished product is detected, the defect type and the bad position information of the insulating coating are obtained, the mapping relation table is inquired according to the defect type and the bad position information, the information of the printing station and the spray head generating the defects is obtained, and then the process parameters of the corresponding printing station and the spray head are adjusted according to the defect type, so that the product defects are found in time; and the function of automatically responding to the defect is realized, so that the production waste is avoided.

A method for producing engineered stone slabs includes depositing fragments onto a surface and using a height limiting device to disrupt the fragments so a height of the fragments at the highest point from the supporting structure is substantially the same height as the height limiting device from the supporting structure. The method then includes using a digital printing device, in a first digital printing step, to print an image onto at least part of a top and side walls of at least some of the fragments, and then depositing additional composite material onto at least some of the fragments. The method further includes using a digital printing device, in an additional digital printing step, to print an image onto at least part of the additional damp composite material, and then using a press roller to press, flatten and stretch the fragments into a slab.

The invention belongs to the technical field of digital printing machines, and particularly discloses and provides an automatic pattern overprinting method for textile fabrics, which performs real-time acquisition through a high-definition industrial scanning camera, performs multiple operations such as image preprocessing, feature recognition and position adjustment, effectively solves the problem of insufficient printing precision at present, and improves the printing accuracy of the textile fabrics. According to the method, it can be guaranteed that no matter how the specification and size of equipment change, how the size of a to-be-printed textile fabric change and how the printing parameter mode change, images can be collected in a self-adaptive mode, the quality of a final product is guaranteed, and by calling RI software and board card printing software, deformed image data are called to the RI software to be subjected to image RI processing, so that the quality of the finished product is guaranteed. PRT printing data is produced and then sent to board card printing software through a network port for real-time printing. High integration is completely achieved, synchronous parallel operation of the stations of the multifunctional virtual assembly line is achieved, and the printing precision and efficiency are improved.

A multiple layered print structure and apparatus to apply a design or image to fabric or cloth is disclosed. The structure may include one or more print layers printed on a substrate and an adhesive layer deposited on the print layer(s). The one or more print layer(s) and adhesive or resin layer may be deposited on the substrate in a pre-set pattern to form the shape profile for the design or image. The print layer(s) include inks or dyes for printing the print features and / or background color(s) of the image or design. The ink may be combined with a binder material to form the print layer(s). In some embodiments, the process includes the step of printing the multiple layered print structure using a combination of digital printing processes simplify the process for printing a design or image on fabric or cloth.

The invention relates to the field of digital printing equipment, and discloses a multi-modal data fusion digital printing equipment color dynamic calibration system which comprises a data acquisition and preprocessing module, a tensor modeling and optimization module, a causal reasoning module, a feedback control module, a cross-equipment mapping module and a self-diagnosis module. The method comprises the following steps that multi-modal data of equipment and environment are collected in real time, intelligent analysis is carried out, and control parameters are dynamically adjusted, so that the problem that a traditional color management method lacks real-time feedback and dynamic adaptive capacity is solved, and the stability and accuracy of the color calibration process are ensured. According to the method, color, image, environment and equipment operation data are collected, a multi-modal tensor is constructed, sparse feature compression is carried out, color deviation reasoning and adjustment quantity generation are realized in combination with causal structure learning, and a self-diagnosis mechanism and closed-loop control are assisted, so that real-time monitoring of the equipment operation state and dynamic adjustment of the color state are realized.

The disclosure relates to a method for printing a paper by a digital printing system which has a plurality of ink application units for applying printing ink of different colours to the paper. The paper to be printed is guided past the ink application units in a feed direction. The digital printing system has a device which is designed and suitable for preventing or reducing the formation of condensation on the ink application units, and this device is used to prevent or reduce the formation of condensation on the ink application units. The device has a temperature-control device and an electrical controller, wherein the temperature-control device is designed to influence a temperature of the ink application units, and the electrical controller is designed to control the temperature-control device in such a way that the ink application units have different temperatures. The temperatures of the ink application units increase in the feed direction and temperatures of two adjacent ink application units differ by at least 0.5° C. and by at most 1.5° C. The temperatures of the first ink application unit in the feed direction and of the last ink application unit in the feed direction differ by at most 10° C.

This invention presents a frequency-domain fluorescence lifetime imaging system, enhancing capabilities with a spatial beam attenuator and pinhole beam splitter. The spatial beam attenuator reshapes any beam into a circular Gaussian beam profile, being compact, cost-effective, with low loss and back reflection. Using digital printing technology, a thin optical film is deposited onto an optical substrate for precise local attenuation of the beam in either transmission or reflection mode. The pinhole beam splitter consists of an optical beam splitter with an active region the size of a pinhole, positioned near the beam's focus, which directs focused light into two paths based on acceptance or rejection by the pinhole. This configuration allows for two detectors to collect photons from both paths concurrently, facilitating dual-mode imaging. Consequently, the system can generate both confocal and conventional non-confocal laser scanning fluorescence lifetime images of the sample at the same time.

The invention relates to the field of intelligent manufacturing and printing processes, and discloses a digital printing equipment image optimization system based on dynamic texture mapping, which comprises the following steps: constructing a dynamic manifold representation space of printing parameters, and realizing global optimization through a curvature-driven quantum annealing algorithm; designing a contact coefficient online correction mechanism and a multistage fault-tolerant protocol, and establishing differential homeomorphic mapping from a quantum optimization result to an execution instruction; manifold adaptive wavelet transform is adopted to extract optimization features, and a pulse shaping control quantity is generated in combination with deep reinforcement learning. According to the method, traditional optimization local extreme value limitation is broken through, self-adaptive control under material characteristic drift is achieved, the problem of control mismatch caused by multi-physics field coupling is solved, and the precision stability and working condition adaptability of complex texture printing are improved.

The utility model relates to the technical field of digital printing, and discloses a digital printing fabric storage device which comprises a cabinet body, a cabinet door is hinged to the front side of the cabinet body, universal wheels are fixedly connected to the bottom end of the cabinet body, a fixing rod is fixedly connected to the surface of the inner wall of the rear side of the cabinet body, a groove is formed in the bottom face of the fixing rod, and the cabinet door is hinged to the cabinet door. A groove is formed in the upper portion of the base, a limiting telescopic rod is fixedly connected to the top face in the groove, a moving rod is fixedly connected to the bottom end of the limiting telescopic rod, a moving unit is arranged at the front end of the moving rod and comprises a notch, a limiting unit is arranged at the rear end of the moving rod, and the limiting unit comprises a guide block. According to the utility model, through the cooperation of the fixed rod, the groove, the limiting telescopic rod, the moving rod and the moving unit, fabrics and winding drums of different specifications can be limited, and the phenomenon that the fabrics are scattered due to the vibration in the vertical direction when the cabinet body is moved and vibrates is avoided.

The invention belongs to the technical field of UV ink formula design and digital printing application, and particularly relates to scratch-resistant UV ink, a preparation method thereof and application of the scratch-resistant UV ink to digital printing. The scratch-resistant UV ink comprises the following raw materials in parts by weight: 15-25 parts of epoxy acrylate; 10 to 20 parts of polyurethane acrylate; 15 to 25 parts of a bifunctional monomer; 5-10 parts of a monomer with three functional groups and more than three functional groups; 3 to 5 parts of an alpha-hydroxy ketone photoinitiator; 2 to 4 parts of an acyl phosphorus oxide photoinitiator; 2 to 5 parts of organically modified nano silicon dioxide; 0.1 part to 0.5 part of a flatting agent; 0.5 to 1.5 parts of a dispersing agent; 10 to 15 parts of pigment; the bifunctional monomer is tripropylene glycol diacrylate; the monomer with three functional groups and more than three functional groups is trimethylolpropane triacrylate. The ink has pencil hardness greater than or equal to 3H and excellent flexibility, the adhesive force on substrates such as PC, PET, metal and the like reaches 0 level, the printing process is simplified, and the ink is suitable for digital printing in various scenes.

The utility model relates to the technical field of digital printing, and discloses a digital printing product which comprises a printing stock, a first gloss oil layer, a first shimmering powder layer and a first color ink layer which are sequentially stacked from top to bottom, and the printing stock is made of a transparent material. According to the digital printing product, printing is conducted on the back face of the transparent printing stock, the pattern can be protected, it is guaranteed that the product has a good visual effect all the time, the effect of front viewing through back face printing and the effect of front viewing and back face viewing through back face printing can be achieved, the perception effect of the pattern cannot be affected, and the product quality is improved. And a better perception effect can be obtained.

The invention relates to the technical field of heat transfer printing ink, and discloses a heat transfer printing technology-based temperature-variable color formula which comprises the following components in percentage by mass: 30%-40% of a thermoplastic polymer carrier, 5%-10% of a temperature-sensitive color-variable pigment, 1%-3% of a dispersing agent, 5%-8% of a connecting material, 0%-5% of an ultraviolet light absorber and the balance of a solvent, the invention further discloses a printing technology of the temperature-variable color formula based on the heat transfer printing technology. The printing technology comprises the following steps that S1, the temperature-sensing color-variable ink is printed on transfer printing paper through digital printing equipment. By adopting the liquid crystal microcapsule pigment, the thermoplastic polymer carrier with narrow molecular weight distribution, the efficient dispersant and the improved preparation process, accurate color change, smooth transition and excellent aging resistance of the ink in a specific temperature range are realized, and meanwhile, the light stability, the storage stability and the definition of a printed pattern are improved; the method is suitable for multiple indoor and outdoor scenes, and meets the high-quality requirements of personalized customization of commodities.

The present invention relates to the technical field of wide-format inkjet digital printing with multi-nozzle splicing, and particularly to an automatic adjustment method for wide-format inkjet digital printing with multi-nozzle splicing, comprising the following steps: setting the test pattern debugging mode, performing RIP processing on the test pattern, setting the debugging printing mode by the host computer and spraying the test pattern, magnifying the acquisition of the test pattern and calculating the shift discrimination; it can magnify and collect the rasterized image printed by the spliced nozzles after initial adjustment, calculate the nozzle offset by calculating the dot density, and feedback the nozzle offset to the nozzle adjustment micro-motor for adjustment. Through the above process, an information feedback closed loop is formed, thereby automating the complex adjustment process and avoiding the inaccurate situation caused by manual splicing of nozzles.

The invention relates to flexographic printing and digital printing integrated equipment which comprises a flexographic printing device and a digital printing device, the flexographic printing device comprises a supporting platform, a flexographic printing feeding module, a plurality of flexographic printing modules and supporting rails arranged above the rear portions of the flexographic printing modules, and the flexographic printing modules are arranged on the supporting platform at intervals in the left-right direction. The flexographic printing feeding module is arranged on the supporting platform and located between the flexographic printing modules. The digital printing device is arranged on the supporting track, and the position of the digital printing device on the supporting track is adjustable; the digital printing device comprises a printing module and a digital feeding module, the digital feeding module is located above the flexographic printing module and corresponds to the flexographic printing feeding module in position, and the printing module is arranged above the digital feeding module and used for conducting variable data digital printing. Effective integration of a digital printing device and flexographic printing equipment is realized, so that one-stop online printing of flexographic printing and digital printing is realized, the production cost is effectively reduced, the production efficiency is improved, and the upgrading and reconstruction cost is saved.

The invention relates to the technical field of image recognition, in particular to a digital printing chromatic aberration automatic detection and adjustment method based on AI image processing, which comprises the following steps of: calibrating actually measured chromatic aberration and parameter offset to construct a lookup table, collecting an image to be detected to calculate real-time chromatic aberration, and calculating the real-time chromatic aberration; and based on the lookup table, extracting the parameter offset of the minimum distance by using the Manhattan distance to generate an adjustment instruction, sending the instruction to adjust the ink, and collecting new data to update the lookup table. According to the method, the color difference vector and parameter offset mapping lookup table is constructed in the calibration stage, direct association of the color deviation and the hardware adjustment instruction is achieved, the real-time color difference vector is rapidly matched with the Manhattan distance in the detection process, the optimal parameter offset is extracted to generate the adjustment instruction, manual interpretation and manual configuration are replaced, and the detection accuracy is improved. And after execution, a new image is collected to update the lookup table, so that the system continuously optimizes and adjusts the strategy, the detection instantaneity and the closed-loop automation level are improved, and accurate and stable color rendition is ensured.