Intelligent printing apparatus

Abstract

The application provides an intelligent printing device, which comprises: a device layer comprising a printing device body for realizing product printing; a data and control layer comprising a printing quality closed-loop control system, an electrical control system, a self-adaptive wiping control system, an intelligent sensing system, an intelligent operation and maintenance system and a state data storage system, the data and control layer being used for collecting and analyzing device data and realizing intelligent control and adjustment of the intelligent printing device; and an operation layer comprising a man-machine interaction system, which is used for data interaction with each system of the data and control layer and realizes information display and man-machine interaction of each system. Through the technical scheme, the frequency of manual intervention in the printing process can be reduced, the experience requirement for operators is lowered, the intelligent and automatic level of the existing printing device is improved, and high-quality, high-efficiency and safe production of the device is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printing equipment, in particular to an intelligent printing equipment. BACKGROUND

[0002] In the production process of the printing equipment, there are multiple links such as paper feeding, ink supplying, printing, paper collecting, product quality inspection, and many sub-links such as warehouse calibration, roller pressure adjustment, wiping, water temperature adjustment, and lubrication. Due to high production speed, any problem in any link may cause a large amount of waste products, and even may cause production accidents. The existing printing equipment highly depends on manual intervention in the operation process, for example, the wiping process depends on manual adjustment, the device needs to be manually inputted into the electrical control system parameters by the operator, and the printing quality detection depends on manual detection and high technical experience. In addition, when a fault occurs in the production process of the device, it is difficult for the staff to stop and repair, maintain, and other operations in the first time, which may cause economic losses and safety hazards. SUMMARY

[0003] The present application aims to solve or improve the above technical problems.

[0004] Therefore, the first purpose of the present application is to provide an intelligent printing equipment.

[0005] To achieve the first purpose of the present application, the technical solution of the first aspect of the present application provides an intelligent printing equipment, comprising: a device layer comprising a printing equipment body for realizing product printing; a data and control layer comprising a printing quality closed-loop control system, an electrical control system, a self-adaptive wiping control system, an intelligent sensing system, an intelligent operation and maintenance system, and a state data storage system, the data and control layer being used for collecting and analyzing device data, and realizing control and adjustment of the intelligent printing equipment; and an operation layer comprising a man-machine interaction system for data interaction with each system of the data and control layer, and realizing information display and man-machine interaction of each system.

[0006] According to the intelligent printing equipment provided in the application, the equipment layer, the data and control layer and the operation layer are included. The equipment layer includes a printing equipment body for realizing product printing. The data and control layer includes a printing quality closed-loop control system, an electrical control system, an adaptive wiping control system, an intelligent sensing system, an intelligent operation and maintenance system and a state data storage system, and the data and control layer is used for collecting and analyzing equipment state data, and realizing intelligent control and adjustment of the printing equipment body. The operation layer includes a man-machine interaction system, and the man-machine interaction system is used for data interaction with the data and control layer, and realizes information display and man-machine interaction of each system. Through communication between the equipment layer, the intelligent sensing system, the state data storage system, the intelligent operation and maintenance system, the adaptive wiping control system, the printing quality closed-loop control system and the operation layer, data interaction, control and information display are realized, so as to reduce manual intervention, reduce experience requirements for operating personnel, improve the intelligent and automatic level of the existing printing equipment, and realize high-quality, high-efficiency and safe production of the equipment.

[0007] In addition, the technical solution provided in the application can also have the following additional technical features:

[0008] In the above technical solution, the electrical control system, the intelligent sensing system and the printing quality closed-loop control system perform data communication and adjustment control with the printing equipment body through a related communication protocol.

[0009] In the technical solution, the intelligent sensing system, the intelligent operation and maintenance system, the adaptive wiping control system, the electrical control system and the printing quality closed-loop control system perform data communication and adjustment control with the printing equipment body through a related communication protocol. It can be understood that the intelligent sensing system, the intelligent operation and maintenance system, the adaptive wiping control system, the electrical control system and the printing quality closed-loop control system perform direct or indirect real-time data interaction with the printing equipment body through a field bus, on the one hand, each system can analyze and display the collected online data of the printing equipment body, and on the other hand, the intelligent sensing system, the intelligent operation and maintenance system, the adaptive wiping control system and the printing quality closed-loop control system use algorithms to calculate adjustment parameters of each actuator in real time, and the adjustment parameters are sent to the printing equipment body through the electrical control system, so as to realize intelligent and automatic operation of the printing equipment.

[0010] In the above technical solution, the printing equipment body includes a paper feeding part, a printing part, an ink carriage part, a paper collecting part, a temperature control system, a wiping mechanism and an ink color remote control system, and the paper feeding part, the printing part, the ink carriage part and the paper collecting part are sequentially connected. The temperature control system and the wiping mechanism are connected with the printing part, and the ink color remote control system is connected with the ink carriage part.

[0011] In the technical scheme, the printing equipment body comprises a paper feeding part, a printing part, an ink carriage part, a paper collecting part, a temperature control system, a wiping mechanism and an ink color remote control system, the paper feeding part, the printing part, the ink carriage part and the paper collecting part are sequentially connected. The temperature control system and the wiping mechanism are connected with the printing part, and the ink color remote control system is connected with the ink carriage part.

[0012] In the above technical scheme, the intelligent sensing system is used to collect online state data of the printing equipment body through sensors, form a device state data pool, and realize data interaction between a printing quality closed-loop control system, an electrical control system, a self-adaptive wiping control system, an intelligent operation and maintenance system, a state data storage system and a man-machine interaction system.

[0013] In the technical scheme, the intelligent sensing system is used to collect online state data of the printing equipment body through sensors, form a device state data pool, and realize data interaction between a printing quality closed-loop control system, an electrical control system, a self-adaptive wiping control system, an intelligent operation and maintenance system, a state data storage system and a man-machine interaction system.

[0014] In the above technical scheme, the state data storage system interacts with the intelligent sensing system through a related communication protocol, and is used to store the device sensor online data collected by the intelligent sensing system in real time, and to form a device state historical database by summarizing the data.

[0015] In the technical scheme, the state data storage system interacts with the intelligent sensing system through a related communication protocol, and is used to store the device sensor online data collected by the intelligent sensing system in real time, and to form a device state historical database by summarizing the data.

[0016] In the above technical scheme, the intelligent operation and maintenance system interacts with the intelligent sensing system, the state data storage system, the man-machine interaction system and the electrical control system through a related communication protocol; the intelligent operation and maintenance system is used to obtain device sensor online data and offline data from the intelligent sensing system and the state data storage system, to perform real-time state monitoring and analysis on the intelligent printing equipment, to calculate fault prediction results and parameter adjustment data, to send the fault prediction results to the man-machine interaction system through a related communication protocol for information display, and to send the related parameter adjustment data to the electrical control system for adjustment.

[0017] In the technical solution, the intelligent operation and maintenance system interacts with the intelligent sensing system, the state data storage system, the man-machine interaction system and the electrical control system through relevant communication protocols. The intelligent operation and maintenance system is used to obtain the online and offline data of the device sensor from the intelligent sensing system and the state data storage system, to perform real-time state monitoring and analysis on the intelligent printing device, to calculate the fault prediction result and the parameter adjustment data, to send the fault prediction result to the man-machine interaction system through the relevant communication protocol for information display, and to send the relevant parameter adjustment data to the electrical control system for adjustment.

[0018] In the above technical solution, the intelligent operation and maintenance system is also used to remind the maintenance content set by the operator, and to summarize the device fault history and maintenance history to form an operation and maintenance report.

[0019] In the technical solution, the intelligent operation and maintenance system is also used to remind the maintenance content set by the operator, and to summarize the device fault history and maintenance history to form an operation and maintenance report.

[0020] In the above technical solution, the intelligent operation and maintenance system is also used to send the electrical control parameters to the electrical control system according to the pre-set experience parameter formula when the device changes the printing product, to realize one-key delivery of the experience parameters.

[0021] In the technical solution, the intelligent operation and maintenance system is also used to send the electrical control parameters to the electrical control system according to the pre-set experience parameter formula when the device changes the printing product, to realize one-key delivery of the experience parameters.

[0022] In the above technical solution, the printing quality closed-loop control system interacts with the intelligent sensing system and the printing device body through relevant communication protocols, and is used to analyze the device state data and the printing product quality data, to perform real-time control and adjustment on the key parameters affecting the printing product quality by using algorithms, and to realize closed-loop control of the printing product quality.

[0023] In the technical solution, the printing quality closed-loop control system interacts with the intelligent sensing system and the printing device body through relevant communication protocols, and is used to analyze the device state data and the printing product quality data, to perform real-time control and adjustment on the key parameters affecting the printing product quality by using algorithms, and to realize closed-loop control of the printing product quality.

[0024] In the above technical solution, the self-adaptive wiping control system interacts with the electrical control system through relevant communication protocols, and is used to calculate the corresponding motor adjustment control parameters in real time according to the pressure data between the wiping roller and the plate cylinder by using algorithms, and the electrical control system controls the corresponding motor to adjust according to the corresponding adjustment parameters, to realize automatic release adjustment of the wiping roller.

[0025] In the technical solution, the adaptive wiping control system interacts with the electrical control system through a relevant communication protocol to exchange data, and is used to calculate corresponding motor adjustment control parameters in real time according to pressure data between the wiping roller and the plate cylinder, and the electrical control system controls the corresponding motor to adjust according to the corresponding adjustment parameters, so as to realize automatic release adjustment of the wiping roller.

[0026] In the above technical solution, the electrical control system directly interacts with the intelligent sensing system, the printing equipment body, the adaptive wiping control system and the man-machine interaction system through a relevant communication protocol to exchange data, and indirectly interacts with the intelligent operation and maintenance system and the printing quality closed-loop control system through the intelligent sensing system; the electrical control system is used to control the related mechanisms of the printing equipment body to complete the specified actions according to the adjustment data obtained from the adaptive wiping control system, the intelligent operation and maintenance system and the printing quality closed-loop control system.

[0027] In the technical solution, the electrical control system directly interacts with the intelligent sensing system, the printing equipment body, the adaptive wiping control system and the man-machine interaction system through a relevant communication protocol to exchange data, and indirectly interacts with the intelligent operation and maintenance system and the printing quality closed-loop control system through the intelligent sensing system. The electrical control system is used to control the corresponding motor to adjust according to the corresponding adjustment parameters, so as to realize automatic release adjustment of the wiping roller.

[0028] In the above technical solution, the intelligent sensing system includes a cylinder pressure monitoring subsystem, a disc spring fault diagnosis subsystem, an online lubrication diagnosis subsystem, an online vibration diagnosis subsystem, a paper monitoring subsystem, an air monitoring subsystem, a hydraulic monitoring subsystem and a temperature monitoring subsystem; wherein the cylinder pressure monitoring subsystem is used to measure the pressure between the impression cylinder and the plate roller, the pressure between the wiping cylinder and the plate roller, and the pressure of the color model cylinder; the disc spring fault diagnosis subsystem is used to monitor the disc spring state and predict the disc spring life; the online lubrication diagnosis subsystem is used to monitor the printing part and the ink car part; the online vibration diagnosis subsystem is used to monitor the bearing vibration of the printing cylinder.

[0029] In the technical solution, the intelligent sensing system includes a cylinder pressure monitoring subsystem, a disc spring fault diagnosis subsystem, an online lubrication diagnosis subsystem, an online vibration diagnosis subsystem, a paper monitoring subsystem, an air monitoring subsystem, a hydraulic monitoring subsystem and a temperature monitoring subsystem. The cylinder pressure monitoring subsystem is used to measure the pressure between the impression cylinder and the plate roller, the pressure between the wiping cylinder and the plate roller, and the pressure of the color model cylinder. The disc spring fault diagnosis subsystem is used to monitor the disc spring state and predict the disc spring life. The online lubrication diagnosis subsystem is used to monitor the printing part and the ink car part. The online vibration diagnosis subsystem is used to monitor the bearing vibration of the printing cylinder.

[0030] In the technical solution, the printing quality closed-loop control system comprises a printing quality detection subsystem, a real-time ink color analysis subsystem and a printing quality closed-loop control algorithm. The printing quality detection subsystem comprises an online detection system for real-time detection and product defect analysis of the printing product quality, and an offline detection system for sampling and offline quality inspection of the printing product by an operator. The real-time ink color analysis subsystem is configured to analyze the ink color difference between a standard sample and a product under test, and calculate the ink color deviation. The printing closed-loop control algorithm is configured to calculate the key parameter adjustment amount such as pressure, temperature and ink amount according to the product quality data fed back by the printing quality detection subsystem and the ink color deviation information fed back by the real-time ink color analysis subsystem, and send the relevant adjustment amount to the electrical control system and the ink color remote control system for adjustment through a certain communication mode.

[0031] In the technical solution, the printing quality closed-loop control system comprises a printing quality detection subsystem, a real-time ink color analysis subsystem and a printing quality closed-loop control algorithm. The printing quality detection subsystem comprises an online detection system for real-time detection and product defect analysis of the printing product quality, and an offline detection system for sampling and offline quality inspection of the printing product by an operator. The real-time ink color analysis subsystem is configured to analyze the ink color difference between a standard sample and a product under test, and calculate the ink color deviation. The printing closed-loop control algorithm is configured to calculate the key parameter adjustment amount such as pressure, temperature and ink amount according to the product quality data fed back by the printing quality detection subsystem and the ink color deviation information fed back by the real-time ink color analysis subsystem, and send the relevant adjustment amount to the electrical control system and the ink color remote control system for adjustment through a certain communication mode.

[0032] Additional aspects and advantages of the application will be apparent from the following description of the application, or can be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0033] The above and / or additional aspects and advantages of the application will become apparent and be readily understood by consideration of the following detailed description, taken in conjunction with the accompanying drawings, in which:

[0034] Figure 1 A structural schematic block diagram of an intelligent printing device according to an embodiment of the application;

[0035] Figure 2 A structural schematic block diagram of an intelligent printing device according to an embodiment of the application;

[0036] Figure 3 A structural schematic block diagram of an intelligent sensing system according to an embodiment of the application;

[0037] Figure 4A structural schematic block diagram of a printing quality closed-loop control system according to an embodiment of the present application;

[0038] Figure 5 A partial structural schematic block diagram of an intelligent printing device according to an embodiment of the present application;

[0039] Figure 6 A structural schematic block diagram of an intelligent sensing system according to an embodiment of the present application;

[0040] Figure 7 A structural schematic block diagram of an intelligent operation and maintenance system according to an embodiment of the present application;

[0041] Figure 8 A structural schematic block diagram of a printing quality closed-loop control system according to an embodiment of the present application.

[0042] In the above description, the correspondence between the reference signs in the drawings and the component names is as follows: Figures 1 to 8

[0043] 10: intelligent printing device; 102: device layer; 104: data and control layer; 106: operation layer; 110: intelligent sensing system; 120: state data storage system; 130: intelligent operation and maintenance system; 140: self-adaptive wiping control system; 150: printing quality closed-loop control system; 160: electrical control system; 170: printing device body; 172: paper feeding part; 174: printing part; 176: ink carriage part; 178: paper collecting part; 192: temperature control system; 194: wiping mechanism; 196: ink color remote control system; 200: human-machine interaction system; 202: cylinder pressure monitoring subsystem; 204: disc spring fault diagnosis subsystem; 206: online lubrication diagnosis subsystem; 208: online vibration diagnosis subsystem; 210: paper monitoring subsystem; 212: pneumatic monitoring subsystem; 214: hydraulic monitoring subsystem; 216: temperature monitoring subsystem; 218: printing quality detection subsystem; 220: real-time ink color analysis subsystem; 222: printing quality closed-loop control algorithm. DETAILED DESCRIPTION

[0044] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described in detail below with reference to the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0045] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the scope of protection of the present application is not limited by the specific embodiments disclosed below.

[0046] The following description will be made with reference to the drawings​Figures 1 to 8 Intelligent printing equipment is described for some embodiments of the application.

[0047] As shown in Figure 1 and Figure 2 Intelligent printing equipment 10 according to an embodiment of the application includes: equipment layer 102 including printing equipment body 170 for realizing product printing; data and control layer 104 including printing quality closed-loop control system 150, electrical control system 160, adaptive wiping control system 140, intelligent sensing system 110, intelligent operation and maintenance system 130 and state data storage system 120, data and control layer 104 is used for collecting and analyzing equipment data, realizing intelligent control adjustment of intelligent printing equipment 10; operation layer 106 including human-computer interaction system 200, used for data interaction with each system of data and control layer 104, realizing information display and human-computer interaction of each system.

[0048] Intelligent printing equipment 10 according to the embodiment includes equipment layer 102, data and control layer 104 and operation layer 106. Equipment layer 102 includes printing equipment body 170 for realizing product printing. Data and control layer 104 includes printing quality closed-loop control system, electrical control system 160, adaptive wiping control system 140, intelligent sensing system 110, intelligent operation and maintenance system 130 and state data storage system 120, data and control layer 104 is used for collecting and analyzing equipment state data, realizing intelligent control adjustment of printing equipment body 170. Operation layer 106 includes human-computer interaction system 200, human-computer interaction system 200 is used for data interaction with data and control layer 104, realizing information display and human-computer interaction of each system. Through communication between equipment layer 102, intelligent sensing system 110, state data storage system 120, intelligent operation and maintenance system 130, adaptive wiping control system 140, printing quality closed-loop control system 150 and operation layer 106, data interaction, control and information display are realized, so as to reduce manual intervention, reduce experience requirement for operating personnel, improve intelligent and automatic level of existing printing equipment, realize high quality, high efficiency and safe production of equipment.

[0049] Specifically, the intelligent sensing system 110 is used to collect online state data of the printing equipment body 170 through sensors, form a device state data pool, and realize data interaction between the printing quality closed-loop control system 150, the electrical control system 160, the adaptive wiping control system 140, the intelligent operation and maintenance system 130, the state data storage system 120 and the man-machine interaction system 200. The state data storage system 120 interacts with the intelligent sensing system 110 through a related communication protocol to store the device sensor online data collected by the intelligent sensing system 110 in real time, and aggregate the data to form a device state historical database. The intelligent operation and maintenance system 130 is used to obtain device sensor online data and offline data from the intelligent sensing system 110 and the state data storage system 120, perform real-time state monitoring and analysis on the intelligent printing equipment 10, calculate fault prediction results and parameter adjustment data, send the fault prediction results to the man-machine interaction system 200 through a related communication protocol for information display, and send the related parameter adjustment data to the electrical control system 160 for adjustment. The printing quality closed-loop control system 150 interacts with the intelligent sensing system 110 and the printing equipment body 170 through a related communication protocol to analyze device state data and printing product quality data, use algorithms to perform real-time control and adjustment on key parameters affecting printing product quality, and realize closed-loop control of printing product quality. The adaptive wiping control system 140 interacts with the electrical control system 160 through a related communication protocol to use algorithms to calculate corresponding motor adjustment control parameters in real time according to pressure data between the wiping roller and the plate cylinder, and the electrical control system 160 controls the corresponding motor to adjust according to the corresponding adjustment parameters to realize automatic release adjustment of the wiping roller.

[0050] As shown in Figure 7 Specifically, the intelligent operation and maintenance system 130 mainly realizes the following functions, first, based on the device state data obtained by the intelligent sensing system 110, various means such as data mining, analysis and modeling are used to realize analysis and judgment of device state and faults, and give fault or early warning prompt. Second, for printing equipment maintenance needs, realize maintenance related functions, including device maintenance modification record, device fault statistical analysis, spare parts replacement cycle prompt, device maintenance report / chart, etc. Third, the electrical control parameter self-setting function, that is, the one-key setting function of experience parameters in the case of equipment replacement products, to a certain extent, reduces the time of parameter adjustment of the operator in the case of equipment replacement products; Fourth, the parameter automatic adjustment function, that is, in the process of equipment operation, the algorithm is used to realize the automatic calculation of key state parameters such as wiping roller pressure and impression cylinder pressure, and the calculation parameters are sent to the electrical control system 160 to realize the automatic adjustment function of the wiping roller, impression cylinder and other mechanisms.

[0051] In the above embodiments, the intelligent sensing system 110, the intelligent operation and maintenance system 130, the adaptive wiping control system 140, the electrical control system 160 and the printing quality closed-loop control system 150 communicate with the printing equipment body 170 through relevant communication protocols for data communication and adjustment control. It can be understood that the intelligent sensing system 110, the intelligent operation and maintenance system 130, the adaptive wiping control system 140, the electrical control system 160 and the printing quality closed-loop control system 150 respectively communicate with the printing equipment body 170 through field buses for direct or indirect real-time data interaction. On the one hand, each system can analyze and display the collected online data of the printing equipment body 170, and on the other hand, the intelligent sensing system 110, the intelligent operation and maintenance system 130, the adaptive wiping control system 140 and the printing quality closed-loop control system 150 use algorithms to calculate the adjustment parameters of each actuator in real time, and send them to the printing equipment body 170 through the electrical control system 160, so as to realize the intelligent and automatic operation of the printing equipment.

[0052] Further, the printing equipment body 170 includes a paper feeding part 172, a printing part 174, an ink carriage part 176, a paper collecting part 178, a temperature control system 192, a wiping mechanism 194 and an ink color remote control system 196. The paper feeding part 172, the printing part 174, the ink carriage part 176 and the paper collecting part 178 are connected in sequence. The temperature control system 192 and the wiping mechanism 194 are connected with the printing part 174, and the ink color remote control system 196 is connected with the ink carriage part 176.

[0053] In some embodiments, the intelligent operation and maintenance system 130 is used to remind the maintenance content set by the operator, and to summarize the device fault history and maintenance history to form an operation and maintenance report. The intelligent operation and maintenance system 130 is also used to send the electrical control parameters to the electrical control system 160 when the device changes the printing product according to the pre-set experience parameter formula, so as to realize one-key delivery of the experience parameters.

[0054] In the above embodiments, the electrical control system 160 directly communicates with the intelligent sensing system 110, the printing equipment body 170, the adaptive wiping control system 140 and the man-machine interaction system 200 through relevant communication protocols, and indirectly communicates with the intelligent operation and maintenance system 130 and the printing quality closed-loop control system 150 through the intelligent sensing system 110. The electrical control system 160 is used to control the related mechanisms of the printing equipment body 170 to complete the specified actions according to the adjustment data obtained from the adaptive wiping control system 140, the intelligent operation and maintenance system 130 and the printing quality closed-loop control system 150.

[0055] As Figure 3 and Figure 6As shown, in some embodiments, the intelligent sensing system 110 includes a cylinder pressure monitoring subsystem 202, a disc spring fault diagnosis subsystem 204, an online lubrication diagnosis subsystem 206, an online vibration diagnosis subsystem 208, a paper monitoring subsystem 210, a pneumatic monitoring subsystem 212, a hydraulic monitoring subsystem 214, and a temperature monitoring subsystem 216. Among them, the cylinder pressure monitoring subsystem 202 is used to measure the pressure between the impression cylinder and the plate cylinder, the pressure between the blanket cylinder and the plate cylinder, and the pressure of the color form cylinder. The disc spring fault diagnosis subsystem 204 is used to monitor the disc spring state and predict the disc spring life. The online lubrication diagnosis subsystem 206 is used to monitor the thin oil lubrication of the printing part 174 and the thin oil lubrication of the ink car part 176. The online vibration diagnosis subsystem 208 is used to monitor the vibration of each cylinder and the vibration of each color form bearing.

[0056] As shown in Figure 4 and Figure 8 In the above embodiment, the printing quality closed-loop control system 150 includes a printing quality detection subsystem 218, a real-time ink color analysis subsystem 220, and a printing quality closed-loop control algorithm 222. Among them, the printing quality detection subsystem 218 includes an online detection system and an offline detection system. The online detection system is used for real-time detection and product defect analysis of the printing product quality. The offline detection system is used for the operator to perform offline quality inspection on the printing product. The real-time ink color analysis subsystem 220 is used to analyze the ink color difference between the standard sample and the detected product, and calculate the ink color deviation. The printing quality closed-loop control algorithm 222 is used to adjust the key parameter adjustment amount such as pressure, temperature, and ink amount according to the product quality data fed back by the printing quality detection subsystem 218 and the ink color deviation information fed back by the real-time ink color analysis subsystem 220, and sends the related adjustment amount to the electrical control system 160 and the ink color remote control system 196 for adjustment through a certain communication mode.

[0057] As shown in Figures 1 to 8 According to a specific embodiment of the present application, the intelligent printing equipment 10 specifically includes the following subsystems, devices and equipment: an electrical control system 160, an intelligent sensing system 110, a state data storage system 120, a printing quality detection system, a printing quality closed-loop control system 150, an intelligent operation and maintenance system 130, a self-adaptive blanket control system 140, a human-computer interaction system 200, and a printing equipment body 170. The above-mentioned each subsystem, device and equipment not only independently runs to complete the predetermined action, but also communicates with other systems to realize data interaction, control and information display, etc.

[0058] The intelligent printing system is composed of three levels of equipment layer 102, data layer and control layer 104, and operation layer 106.

[0059] The device layer 102 includes a printing device body 170, sensors, actuators, and other hardware for implementing device printing functions and performing parameter adjustments and other operations. The data and control layer systems interact with the printing device body 170 in real time through field bus communication and other communication methods. On the one hand, the device online state data of the printing device body 170 is extracted in real time, and the device online state data is analyzed and displayed. On the other hand, the real-time adjustment parameters of the actuators of the printing device body 170 are calculated in real time using algorithms, and the adjustment parameters are sent to the actuators of the device layer 102 through the electrical control system 160, thereby realizing intelligent and automated operation of the printing device.

[0060] The data layer and the control layer include a printing quality closed-loop control system 150, an electrical control system 160, an intelligent operation and maintenance system 130, a state data storage system 120, an intelligent sensing system 110, an adaptive wiping control system 140, and the like, which are mainly responsible for real-time monitoring of the entire machine state, automatic adjustment of parameters, device health management, device operation and maintenance management, and the like. The intelligent sensing system 110 is responsible for collecting sensor data on the printing device, and all real-time state data is collected in the intelligent sensing system 110 to form a device state data pool. Then, algorithms are used to perform real-time state analysis and fault diagnosis on key components such as rollers and bearings. In addition, the intelligent operation and maintenance system 130 can obtain sensor data in the device state data pool through related communication methods, and perform real-time state monitoring and analysis on each part of the printing device through algorithms such as fault prediction models. Then, the intelligent operation and maintenance system 130 sends the calculated fault prediction results and control parameters such as roller printing pressure adjustment to the electrical control system 160, and the electrical control system 160 issues instructions and controls the corresponding mechanisms to complete the specified actions. The state data storage system 120 stores all data in the device state data pool in real time to the device state storage server. The accumulated sensor data can be used as a historical database for other intelligent subsystems to call and analyze. The printing quality closed-loop system uses algorithms such as signal image processing and deep learning models to evaluate the quality of the extracted product images, analyze defects, and determine the causes of the defects. Then, the adjustment values of related mechanisms such as roller printing pressure and ink supply are calculated according to the corresponding defect causes, and the adjustment values are sent to the electrical control system 160. The electrical control system 160 issues corresponding commands to ultimately complete the specified actions by the related mechanisms, thereby realizing printing quality closed-loop control. The adaptive wiping control system 140 obtains online pressure data between the wiping roller and the plate cylinder through the intelligent sensing system 110, calculates the corresponding motor adjustment value according to the pressure set value and the real-time value using an intelligent adjustment algorithm, and then controls the corresponding motor for real-time adjustment through the electrical control system 160 according to the adjustment amount, thereby realizing automatic release adjustment of the wiping roller.

[0061] The operation layer 106 is mainly composed of the human-computer interaction system 200 which interacts with the data and control layer through relevant communication protocols. In actual production, the operator can realize the visualization and intelligent human-computer interaction operation of the machine (all software and hardware systems) state query, production data monitoring, product digital management, fault alarm and other information through the system interface on the intelligent look sample table.

[0062] The electrical control system 160 is mainly responsible for the control of each mechanism of the machine and the execution of actions, which is composed of a master PLC, a network, a regulation system, a motion control system and a safety PLC. In actual production, the operator configures and adjusts the parameters of the system on the upper computer of the electrical control system 160, and then the master PLC communicates with the motion control system, the regulation system and the like through the relevant communication network to issue electrical control parameters, realize the control of each mechanical and electrical structure, and complete the specified action.

[0063] The temperature control system 192 stabilizes the cylinder printing size, ink printing transfer performance and wiping effect by automatically controlling the temperature of the plate cylinder, color cylinder, color model cylinder, ink roller and wiping liquid, thereby ensuring the printing quality. The temperature control system 192 of each cylinder is an independently controlled closed loop temperature control system 192, and the closed loop pipeline automatically controls the temperature of the dynamic control loop through a safety thermostat, a heater and an electric three-way proportional valve.

[0064] As shown in Figure 4 The intelligent sensing system 110: through the sensors of each cylinder, disc spring, lubrication system and bearing of the printing equipment body 170, real-time monitoring of vibration, pressure, lubrication, temperature and other types of data. Through various communication methods such as field bus, the online state data of the equipment is collected, and all real-time state data is collected to form an equipment state data pool, and then the key parameters such as bearing and cylinder pressure are predicted through big data modeling and other means. In addition, the intelligent operation and maintenance system 130 can obtain the sensor data in the equipment state data pool through relevant communication methods, and real-time state monitoring and analysis of each part of the printing equipment is carried out through fault prediction model and other algorithms, and then the intelligent operation and maintenance system 130 sends the calculated fault prediction results, cylinder printing pressure adjustment and other control parameters to the electrical control system 160 through the intelligent sensing system 110, and the electrical control system 160 issues instructions and controls the corresponding mechanism to complete the specified action. The state data storage system 120 stores all data in the equipment state data pool to the equipment state storage server in real time, and the accumulated sensor data can be used as a historical database for calling and analyzing by other intelligent subsystems.

[0065] The intelligent sensing system comprises a cylinder pressure monitoring subsystem, a disc spring fault diagnosis subsystem, an online lubrication diagnosis subsystem, an online vibration diagnosis subsystem, a paper monitoring subsystem, an air pressure monitoring subsystem, a hydraulic pressure monitoring subsystem, and a temperature monitoring subsystem.

[0066] (1) Online monitoring system for pressure between blanket cylinder and plate cylinder: The strain sensor on the bearing seat measures the strain force on the bearing seat. The relationship between pressure, friction and strain is calibrated using a blanket roller pressure calibration device, a pressure and friction prediction model is established, and then the pressure between the blanket roller and the plate roller is calculated according to the stress.

[0067] (2) Online monitoring system for pressure between impression cylinder and plate cylinder: The elastic modulus of the material is calibrated, the linear interval of elastic strain is analyzed, and the relationship between local deformation and local stress is determined. Within the range of elastic strain, the relationship coefficient between multi-point strain measurement and boundary condition input such as impression pressure is determined using a finite element model, and an indirect measurement model of pressure stress is established using clustering and other analysis methods. In addition, the distance change between the impression roller and the plate roller is measured using a sensor, the contact area between the impression roller and the plate roller is analyzed, and an impression quality machine learning model is established.

[0068] (3) Disc spring fault diagnosis system: The dynamic displacement change of the disc spring is measured, the performance parameters of the disc spring such as stiffness (displacement) and damping (vibration amplitude) are identified and analyzed through the impact response process, and then the state of the disc spring is obtained to determine the maintenance strategy, replacement strategy and replacement standard.

[0069] (4) Online lubrication diagnosis system: It is used to monitor the oil in the two thin oil lubrication circuits of the printing part 174 and the ink car part 176. The sensors installed in the thin oil lubrication circuits of the printing part 174 and the ink car part 176 are used to monitor the particle pollution, moisture, viscosity and temperature of the lubricating oil online. When the monitoring indicators exceed the set range, the system will timely alarm and notify the operator to maintain.

[0070] (5) Online vibration diagnosis system: The vertical or horizontal or axial vibration acceleration, vibration speed and displacement signals near the impression cylinder, plate cylinder, color collecting cylinder and color mode cylinder are collected by sensors, and the shell temperature signals of the sensor measurement points are collected at the same time. Then the collected sensor data is used to predict the bearing and roller faults by using artificial intelligence model, to accurately locate the fault components, fault types and severity, and to automatically alarm through the online detection system software.

[0071] (6) Equipment state monitoring: Real-time acquisition of temperature, pressure, transmission and other sensor data on the printing equipment, real-time data transmission to external systems through field bus and other communication methods to realize the operation state monitoring, fault prediction and analysis of the equipment.

[0072] (7) Paper monitoring: Install video monitoring system (with video recording, storage, and playback functions) at key positions of the printing equipment. The system can be used to watch the monitoring video at historical time points and provide video evidence for abnormal analysis.

[0073] Intelligent operation and maintenance system 130: The system mainly realizes the following functions: 1. Based on the equipment state data obtained by the intelligent sensing system 110, the system uses data mining, analysis, modeling, and other means to analyze and judge the equipment state and faults, and gives fault or early warning prompts; 2. For the maintenance needs of the printing equipment, the system realizes related maintenance functions, including equipment maintenance modification records, equipment fault statistical analysis, spare parts replacement cycle prompts, and equipment maintenance reports / charts; 3. Electrical control parameter self-setting function, i.e., one-key setting function of experience parameters in the case of equipment replacement of products, which reduces the time of parameter adjustment by the operator to a certain extent; 4. Parameter automatic adjustment function, i.e., in the process of equipment operation, the system uses algorithms to automatically calculate key state parameters such as blanket roll pressure and impression cylinder pressure, and sends the calculated parameters to the electrical control system 160 to realize the automatic adjustment function of the blanket roll and impression cylinder mechanisms.

[0074] The system can be divided into intelligent diagnosis unit, intelligent maintenance unit, parameter self-setting unit, parameter self-adjustment unit, system function unit, and front-end UI interaction interface in terms of function. The above functional units interact with external systems through specific communication methods to obtain online / offline data, obtain online equipment state data from the intelligent sensing system 110 for real-time state monitoring and fault warning of the printing equipment, and obtain offline equipment state data from the state data storage system 120 for operation and maintenance reports and historical fault statistics. The system can also indirectly interact with the electrical control system 160 through a specific communication protocol, so as to send fault warning information, parameter setting, and parameter adjustment information to the electrical control system 160 to realize intelligent control of each execution mechanism.

[0075] State data storage system 120: The system stores the equipment state data collected by the intelligent sensing system 110 in the database in real time, and backs up the data. All historical equipment state data stored by the system can be read by systems such as the intelligent operation and maintenance system 130 through related communication protocols, so as to realize fault history analysis, operation and maintenance reports, and other functions of the printing equipment.

[0076] As Figure 4 and Figure 5The printing quality closed-loop control system 150 is shown: the system is composed of multiple subsystems, including a printing quality detection subsystem, a real-time ink color analysis subsystem, a printing quality closed-loop control algorithm, etc. Through the imaging system, sensors and other hardware installed on the printing equipment, the detection accuracy of the printing on and off-line equipment and the accuracy of the ink color analysis are improved using artificial intelligence algorithms, and then the printing pressure, ink amount and other parameter adjustment values are obtained, and the adjustment values are sent to the intelligent sensing system 110. The intelligent sensing system 110 sends all parameter adjustment information to the electrical control system 160, and then controls the ink color remote control system 196 and other actuators to adjust the process parameters such as ink amount, thereby realizing printing quality closed-loop control.

[0077] (1) Printing quality detection subsystem: This system pre-processes the images of printed products collected by industrial cameras, and then transmits the processed images into a pre-trained deep learning model for classification. Then, comprehensive judgment is made using image analysis algorithms to obtain the detection results. This system can detect various printing quality defects, including reverse tension, missing printing, stains, oil marks, ink color depth, color bleeding, wiping, smearing, ink smearing, infrared ink smearing, infrared missing printing, paper folding, paper hole, oil smearing, etc.

[0078] (2) Real-time ink color analysis subsystem: The standard sample and the detected product are respectively separated by color area, and then the pre-trained ink color analysis algorithm is used to compare the color difference between the target to be measured and the standard sample. Then, according to the color deviation of the current printed product and the standard sample, the ink key adjustment amount is determined adaptively using a deep learning model. This system can detect all printing defects such as ink dots, broken lines, missing printing, light flowers, ink stacking, reverse smearing, paste, ghosting, pulling smearing, oil marks, chemical smearing, infrared ink smearing, missing printing, etc.

[0079] (3) Printing closed-loop control algorithm: Based on the image data and analysis results provided by the printing quality detection subsystem and the ink key adjustment amount calculated by the real-time ink color analysis subsystem, continuous waste / severe waste closed-loop control, printing registration quality closed-loop control and printing ink color quality closed-loop control are realized.

[0080] Adaptive wiping control system: Through the pressure sensor, the pressure data change between the wiping roller and the plate cylinder is analyzed, the appropriate separation value interval between the wiping roller and the plate cylinder under normal printing state is calculated, and a model is established. In actual operation, the above model is used to analyze the collected online data in real time to obtain wiping motor control parameters, which are then sent to the electrical control system 160 to control the wiping roller motor to realize automatic separation adjustment.

[0081] The man-machine interaction system 200 is composed of a sample plate, a sample lamp, operation buttons, a display, a touch screen, a cabinet and the like. The system can interact with the electrical control system 160, the intelligent control server, the intelligent operation and maintenance system 130, the printing quality closed-loop control system 150, the adaptive wiping control system 140 and the like through a related communication protocol, and can also read the equipment state data storage server data through a cross-platform database. The system, as the main display system of the whole machine, collects information of each subsystem and displays the information of the whole machine. Different subsystem interfaces can be displayed through page switching, including 3D animation of the whole machine, intelligent sensing of key sensor data, fault prediction and diagnosis model state data, fault alarm, event reminder, real-time state data of the printing quality closed-loop control model, real-time state data of the adaptive wiping control and real-time ink amount data and the like.

[0082] In the present application, the terms first, second, third are only for the purpose of description, and cannot be understood as indicating or implying relative importance; the term plurality refers to two or more, unless otherwise explicitly limited. The terms mounting, connecting, connecting, fixing and the like should be understood in a broad sense, for example, the connection can be fixed connection, or detachable connection, or integral connection; the connection can be direct connection, or indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0083] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms up, down, front, back and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or module referred to must have a specific direction, be constructed and operated in a specific orientation, therefore, it cannot be understood as a limitation on the present application.

[0084] In the description of the present application, the description of the terms one embodiment, some embodiments, specific embodiments and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0085] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An intelligent printing device, characterized in that, include: The equipment layer (102) includes a printing equipment body (170) for printing products; The data and control layer (104) includes a printing quality closed-loop control system (150), an electrical control system (160), an adaptive plate erasing control system (140), an intelligent sensing system (110), an intelligent operation and maintenance system (130), and a status data storage system (120). The data and control layer (104) is used to collect and analyze equipment data to realize the control and adjustment of the intelligent printing equipment. The operation layer (106) includes a human-computer interaction system (200) for data interaction with each system of the data and control layer (104) to realize information display and human-computer interaction of each system; The adaptive wiping control system (140) interacts with the electrical control system (160) through a relevant communication protocol. It is used to calculate the corresponding motor adjustment control parameters in real time based on the pressure data between the wiping roller and the printing plate cylinder using an algorithm. The electrical control system (160) controls the corresponding motor to adjust according to the corresponding adjustment parameters, thereby realizing the automatic release adjustment of the wiping roller. The adaptive wiping control system analyzes the pressure data changes between the wiping roller and the printing plate cylinder through pressure sensors, calculates the appropriate clearance value range between the wiping roller and the printing plate cylinder under normal printing conditions, establishes a model, and uses the model to perform real-time analysis of the collected online data to obtain motor adjustment control parameters. The intelligent sensing system (110) includes a roller pressure monitoring subsystem (202), a disc spring fault diagnosis subsystem (204), a lubrication online diagnosis subsystem (206), a vibration online diagnosis subsystem (208), a paper monitoring subsystem (210), a pneumatic monitoring subsystem (212), a hydraulic monitoring subsystem (214), and a temperature monitoring subsystem (216). The roller pressure monitoring subsystem (202) is used to measure the pressure between the impression roller and the printing plate roller, and the pressure between the wiping roller and the printing plate roller. The disc spring fault diagnosis subsystem (204) is used to monitor the disc spring status and predict the disc spring life; The online lubrication diagnostic subsystem (206) is used to monitor the thin oil lubrication of the printing section (174) and the ink carriage section (176); The vibration online diagnostic subsystem (208) is used to monitor the vibration of the printing roller bearing; The printing quality closed-loop control system (150) includes a printing quality detection subsystem (218), a real-time ink color analysis subsystem (220), and a printing quality closed-loop control algorithm (222). The printing quality inspection subsystem (218) includes: Online inspection system is used for real-time inspection of printed product quality and analysis of product defects; Offline inspection system, used by operators to perform offline quality checks on printed products by sampling; The real-time ink color analysis subsystem (220) is used to analyze the ink color difference between the standard sample and the inspected product and calculate the ink color deviation. The printing quality closed-loop control algorithm (222) is used to calculate the adjustment amount of key parameters such as pressure, temperature and ink volume based on the product quality data fed back by the printing quality detection subsystem (218) and the ink deviation information fed back by the real-time ink color analysis subsystem (220), and send the relevant adjustment amount to the electrical control system (160) and the ink color remote control system (196) through a certain communication method for adjustment.

2. The intelligent printing equipment according to claim 1, characterized in that, The electrical control system (160), the intelligent sensing system (110), and the printing quality closed-loop control system (150) communicate and adjust with the printing equipment body (170) through relevant communication protocols.

3. The intelligent printing equipment according to claim 2, characterized in that, The printing equipment body (170) includes a paper feeding section (172), a printing section (174), an ink carriage section (176), a paper receiving section (178), a temperature control system (192), a plate wiping mechanism (194), and an ink color remote control system (196). The paper feeding section (172), the printing section (174), the ink carriage section (176), and the paper receiving section (178) are connected in sequence. The temperature control system (192) and the plate wiping mechanism (194) are both connected to the printing unit (174), and the ink color remote control system (196) is connected to the ink carriage unit (176).

4. The intelligent printing equipment according to claim 1, characterized in that, The intelligent sensing system (110) is used to collect online status data of the printing equipment body (170) through sensors to form an equipment status data pool, and to realize data interaction between the printing quality closed-loop control system (150), the electrical control system (160), the adaptive plate erasing control system (140), the intelligent operation and maintenance system (130), the status data storage system (120) and the human-machine interaction system (200).

5. The intelligent printing equipment according to claim 1, characterized in that, The status data storage system (120) interacts with the intelligent sensing system (110) through relevant communication protocols to store online data of the device sensors collected by the intelligent sensing system (110) in real time, and summarizes the data to form a historical database of device status.

6. The intelligent printing equipment according to claim 1, characterized in that, The intelligent operation and maintenance system (130) interacts with the intelligent sensing system (110), the status data storage system (120), the human-computer interaction system (200), and the electrical control system (160) through relevant communication protocols. The intelligent operation and maintenance system (130) is used to obtain online and offline data from the equipment sensors from the intelligent sensing system (110) and the status data storage system (120), perform real-time status monitoring and analysis of the intelligent printing equipment, calculate fault prediction results and parameter adjustment data, send the fault prediction results to the human-machine interaction system (200) for information display through relevant communication protocols, and send the relevant parameter adjustment data to the electrical control system (160) for adjustment.

7. The intelligent printing equipment according to claim 6, characterized in that, The intelligent operation and maintenance system (130) is also used to provide reminders based on the maintenance content set by the operator, and to summarize the equipment failure history and maintenance history to form an operation and maintenance report.

8. The intelligent printing equipment according to claim 7, characterized in that, The intelligent operation and maintenance system (130) is also used to send electrical control parameters to the electrical control system (160) when the equipment changes printed products, based on the pre-set experience parameter formula, so as to realize the one-click distribution of experience parameters.

9. The intelligent printing equipment according to claim 1, characterized in that, The printing quality closed-loop control system (150) interacts with the intelligent sensing system (110) and the printing equipment body (170) through relevant communication protocols to analyze equipment status data and printing product quality data. It uses algorithms to control and adjust key parameters affecting printing product quality in real time, thereby realizing closed-loop control of printing product quality.

10. The intelligent printing equipment according to claim 1, characterized in that, The electrical control system (160) directly interacts with the intelligent sensing system (110), the printing equipment body (170), the adaptive plate erasing control system (140), and the human-machine interaction system (200) through relevant communication protocols, and indirectly interacts with the intelligent operation and maintenance system (130) and the printing quality closed-loop control system (150) through the intelligent sensing system (110). The electrical control system (160) is used to control the relevant mechanisms of the printing equipment body (170) to complete the specified actions based on the adjustment data obtained from the adaptive plate erasing control system (140), the intelligent operation and maintenance system (130), and the printing quality closed-loop control system (150).

Images