938results about How to "Improve printing efficiency" 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 discloses a multi-laser multi-material laser cladding 3D printing method and system, and relates to the technical field of 3D printing, and the method comprises the steps that according to a three-dimensional model of a target component, a printing path and a lap joint point position are determined; carrying out regional division on the working face; a sensor is used for detecting the thickness of each layer in real time, and the printing speed and the laser power are adjusted according to detection data; laser welding is carried out on a lap joint area between the printing layers, and laser annealing is carried out to release residual stress; and according to component requirements, different materials are dynamically switched in the printing process. The multi-printing-head and multi-laser-device cooperative work, path optimization and dynamic feedback control, material dynamic switching and laser annealing treatment technologies are adopted, and the problems of size limitation, insufficient interlayer binding force, complex material switching, path conflict and thermal stress in the large forming part manufacturing process are fundamentally solved. Compared with a traditional process, the printing efficiency, the finished product quality and the production flexibility are remarkably improved.

The utility model relates to a wire feeding device for 3D printing, and solves the technical problem of how to enable a fiber printing mode of a spray head to be more stable and reliable in existing 3D printing equipment. The device comprises a vertical supporting plate, a driving roller driving motor, a roller shaft, a first synchronous belt wheel, a second synchronous belt wheel, a first synchronous belt, a driving roller, a driven roller, a jackscrew connecting block, a driven roller connecting block, a jackscrew, an extension spring and a feeding disc, the jackscrew connecting block is connected to the vertical supporting plate, and a sliding groove is formed in the jackscrew connecting block; the driven roller connecting block is located in a sliding groove of the jackscrew connecting block, the jackscrew is connected with an inner threaded hole of the jackscrew connecting block, the front end of the jackscrew abuts against the side face of the driven roller connecting block, the driven roller is rotationally connected with the driven roller connecting block, and one end of the extension spring is connected with the driven roller connecting block. The other end of the extension spring is connected with the jackscrew connecting block, and the driven roller is close to the driving roller. The 3D printer is widely applied to 3D printing equipment.

The invention provides a flow monitoring method and device for a 3D printing extruder, and relates to the technical field of additive manufacturing, and the method comprises the steps that material flow data are collected in real time through a multi-dimensional sensor array installed in the 3D printing extruder; transmitting the collected real-time flow data to a control system, and judging whether the material flow is within a preset range or not; according to the deviation between the flow data monitored in real time and the target flow, working parameters of the extruder are automatically adjusted, and adjustment is conducted through a closed-loop feedback control system till the flow is stable; and in the extrusion process, if flow data monitored in real time exceeds a normal working range, an abnormal alarm is triggered, and a corresponding fault processing program is started. The material flow can be accurately monitored in real time, and the working parameters of the extruder can be automatically adjusted according to the monitoring result, so that the stable supply of the material and the quality of the printing process are ensured.

The present application provides a 3D printing method, device, 3D printer and computer equipment, wherein the method includes: obtaining a collection of slice images corresponding to a three-dimensional model to be printed; determining the cross-sectional information of the cross-section in each layer of slice images in the collection of slice images, and based on the cross-sectional information, calculating the printing difficulty value corresponding to each layer of slice images in the collection of slice images; based on the printing difficulty value, respectively determining the printing parameters corresponding to each layer of slice images, and determining the printing operation based on the printing parameters, so as to print the three-dimensional model based on the printing operation. In an embodiment of the present application, during the printing process, the printing parameters can be adaptively adjusted as the printing difficulty value of the slice images changes, thereby improving the printing success rate and printing quality, and at the same time improving the printing efficiency.

The invention provides a three-dimensional printing method and device and a three-dimensional printing data processing method and device, and relates to the technical field of three-dimensional printing. The three-dimensional printing data processing method for digital light processing printing comprises the steps that three-dimensional data of an object to be printed are obtained, and the three-dimensional data comprise the positions of interfaces of different printing materials needed by the object to be printed; a diffusion structure is generated at the position of the interface, the diffusion structure is used for diffusing the printing material used later at the position of the printing interface in the diffusion structure, and the printing material corresponding to the diffusion structure is the printing material used first at the position of the printing interface; and generating three-dimensional printing data according to the three-dimensional data and the diffusion structure.

The invention provides an AI-driven photocuring 3D printing fault prediction method, and relates to the technical field of 3D printing, and the method comprises the steps: collecting printing parameters in real time based on a sensor installed on photocuring 3D printing equipment, and carrying out data preprocessing; multi-dimensional features of photocuring 3D printing are extracted, time sequence features and spatial features are analyzed, and high-dimensional feature vectors of photocuring 3D printing are obtained; marking the collected historical printing data as a normal data sample and a fault data sample, and training and optimizing the constructed fault prediction model in combination with the high-dimensional feature vector; printing parameters collected in real time are detected based on the trained fault prediction model, an obtained prediction result is compared with a preset early warning threshold value, and if the prediction result exceeds the threshold value, early warning is given out according to a fault grading result. By monitoring and analyzing key parameters in the printing process in real time, potential faults are predicted, automatic adjustment is carried out when abnormity occurs, and the reliability of the printing process and the product quality are improved.

The invention provides an intelligent photocuring 3D printing model optimization method, and relates to the technical field of photocuring 3D printing, and the method comprises the following steps: obtaining a 3D printing model file uploaded by a user; analyzing geometric information in the model file, and extracting a triangular grid structure, normal vector information and a surface area; key feature areas of curved surfaces, corners and edges in the model are identified, printing parameter data are collected, and a target model summary file is generated; an optimization printing target is defined, an optimization model is generated based on the generative adversarial network, model quality is evaluated through a discriminator network, a multi-target optimization result is analyzed, and an optimal balance point among different targets is found; and testing the optimized model and the printing parameters by using virtual reality, and performing self-adaptive correction according to a simulation test result to adjust to the optimal printing parameters. According to the method, the geometric features and the material attributes of the 3D model are automatically analyzed, potential weaknesses in the model are identified, and the 3D printing model is intelligently optimized.

The invention relates to a variable layer thickness printing method based on SLM (selective laser melting) forming part characteristics, which comprises the following specific steps of: dividing a part into an external surface / thin wall of a quality priority part and an internal filling / entity of an efficiency priority part according to the part characteristics and use performance; respectively slicing the quality priority part and the efficiency priority part obtained by the S I by using slicing software according to the required layer thickness, and setting a proper scanning sequence and an optimized scanning strategy for the sliced model; large-layer-thickness process parameters are given to the efficiency priority part, small-layer-thickness process parameters are given to the quality priority part, and a workpiece or a sample with the good surface metallurgy quality is obtained through SLM printing. A set of complete scheme for improving the printing efficiency through a large and small layer thickness method is formed, the surface metallographic phase of the finished product has no other defects except pores, and the effect is good.

The invention relates to the technical field of 3D printing control, in particular to a 3D printing control method and system. The method comprises the following steps that a piezoelectric ceramic actuator is used for conducting pulse plastic melting state collection on a 3D printing nozzle, and plastic melt pulse monitoring data are generated; carrying out damping coefficient fitting on the plastic melt pulse monitoring data, and carrying out PID control instruction parameter dynamic adjustment to obtain a plastic melt flow extrusion control strategy; obtaining a target 3D printing model; and intelligent 3D printing control optimization is conducted on the target 3D printing model through a plastic melting flow extrusion control strategy, and an intelligent 3D printing control strategy is obtained. The micro sensor is integrated in the printing nozzle to collect melt flow data in real time, and printing parameters are dynamically adjusted, so that the flow behavior of the high-viscosity plastic melt is accurately controlled, and the surface quality and the size precision of a 3D printing piece are effectively improved.

The invention provides a photocuring 3D printing intelligent slicing optimization method based on artificial intelligence, and relates to the technical field of photocuring 3D printing.The method comprises the steps that a target model summary file is generated by collecting a 3D printing model file and printing parameter data; performing slicing processing on model data in the target model summary file to generate model slicing data; analyzing the geometric complexity of the model by using a deep convolutional neural network, and dynamically adjusting the thickness of a slice layer based on a complexity coefficient; through multi-objective optimization of printing quality, time and material consumption, printing setting is dynamically adjusted according to an optimization result; and the printing state is monitored in real time, slice parameters are adjusted according to monitoring data, an optimization result is verified before actual printing, and slices are adjusted and optimized according to a verification result. The 3D printing model file and the printing parameter data input by the user can be automatically analyzed, the printing process is monitored in real time, the slicing parameters are dynamically adjusted, and the printing quality and efficiency are improved.

The invention provides a high-order Bezier curve automatic edge sealing method in three-dimensional printing, and the method comprises the steps: extracting model edge points, calculating control points, and generating a smooth Bezier curve edge sealing path; the method relates to de-noising processing, curve point calculation through a recursive algorithm, edge point extraction and connection sequence recognition, control point optimization, path planning and optimization and solidification through the laser or electron beam solidification technology, in the process, a high-precision sensor monitors the edge sealing quality in real time, imaging parameters are automatically adjusted to optimize the effect, and the quality of the edge sealing is improved. According to the method, the edge sealing accuracy and the surface quality are improved, the method is suitable for complex model printing, material waste is reduced, and related computer programs are stored in a medium and used for achieving the method.

The invention relates to a PDF printing method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the steps that content information of a PDF file to be printed is read, and page information of the PDF file is determined; printing parameters of target printing equipment are obtained; determining arrangement information according to the page information and the printing parameters; according to the arrangement information, the content information is arranged, and a printing page is generated; rendering according to the printing page to generate a target image for printing; and sending the target image to the target printing equipment for printing. According to the mode, the printing page is generated and the target image is rendered, so that the PDF file is ensured to be correctly displayed on the target printing equipment; various printing devices and printing parameters can be intelligently adapted, and the printing efficiency and the printing quality are improved.

The invention provides a printing method and equipment of intelligent self-adaptive dot matrix paper, a medium and a program product, and relates to the technical field of machine learning. The method comprises the steps of receiving printing task information of a user side, predicting to-be-printed content and determining a matched code laying scheme by utilizing a deep learning model trained based on various printing contents and code laying conditions, laying codes on the to-be-printed content according to the scheme, adjusting a code laying result to be in a set format, and printing the to-be-printed content according to the code laying result. According to the method, the printing instruction is sent to the printer in combination with the printing task information, and finally, after the feedback instruction that the printer completes dot matrix paper printing is received, the instruction is forwarded to the user side, the whole process from task receiving to printing completion and feedback is achieved, and the printing efficiency and accuracy are improved.

The embodiment of the utility model discloses a laser printing mechanism which comprises a mechanical arm and a connecting structure, wherein the mechanical arm comprises a mechanical arm body, and the connecting structure is mounted at a mechanical moving end; the laser printing module is used for printing a to-be-printed workpiece; the camera module is mounted at the connecting mechanism; the laser printing module, the mechanical arm and the camera shooting module are electrically connected with the control module, the camera shooting module is used for transmitting an obtained workpiece image to the control module, and the mechanical arm is used for moving according to a moving signal transmitted by the control module. According to the embodiment of the utility model, the manipulator, the laser printing module and the camera module are integrated, so that the automation of the printing process is realized. The mechanical arm of the manipulator can automatically grab and move a workpiece to be printed according to an instruction sent by the control module, the laser printing module automatically carries out printing processing, and the camera module is responsible for obtaining a workpiece image in real time so that the control module can analyze and adjust the workpiece image. The whole printing process does not need manual intervention, and the printing efficiency is greatly improved.

The invention belongs to the technical field of 3D printing, particularly relates to a method for improving the leveling precision of a 3D printing platform, and solves the problem that the levelness of the platform cannot be dynamically adjusted in the prior art by continuously monitoring the levelness state of the platform and automatically performing fine adjustment in the printing process. The method comprises the following steps: starting a positioning system to detect an initial surface position before printing; setting a reference basis according to the initial data; periodically scanning the change of the reference benchmark in the construction process; analyzing the surface offset; calculating the required adjustment amount; executing a fine tuning instruction; verifying the adjusted surface position; if not, returning to scan, otherwise, continuing to monitor; and continuously executing until printing is completed. The method can remarkably improve the quality of the printed piece and reduce the printing failure rate, so that the printing efficiency and the user experience are improved.

A full-automatic screen printing machine comprises a machine frame, a conveying belt, a gripper bar, a driving device and a printing unit, and further comprises a linkage mechanism which is in transmission connection with the gripper bar and the printing unit and used for being matched with conveying and feeding pieces. The tooth row, the driving device and the printing unit work in sequence; the pair of rotating units are rotationally mounted in the rack; a transmission unit for driving the rotation unit; the linkage unit is used for enabling the pair of rotating units to be in transmission connection with the gripper bar and the printing unit; the push plate is rotationally mounted in the rack; the top end of the push plate is rotationally matched with the annular groove through a rotating shaft and is in transmission fit with the bump through an arc-shaped surface; the L-shaped plate is rotationally mounted in the rack and is rotationally matched with the annular groove through a rotating shaft; the top end of the L-shaped plate is in transmission connection with the printing table top, the bottom end of the L-shaped plate is in transmission connection with the screen frame through a connecting rod assembly, in daily production and life, the two rotating units are driven to rotate through the transmission unit, and the opening and closing states of the gripper bar and the printing unit are sequentially changed through the linkage unit.

The invention discloses a method for dynamically adjusting the printing speed. The method comprises the steps that a three-dimensional model file is obtained and then preprocessed, and an initial printing parameter set is defined; performing hierarchical processing on the model by using the parameter set and generating path information; setting a speed factor of a corresponding layer based on the complexity, and calculating an actual printing speed in combination with the initial printing speed; using the calculated actual printing speed as the execution speed of the current layer; in the printing process, the state is monitored, and the printing time and quality feedback of each layer are recorded; dynamically adjusting a speed factor according to the collected data so as to optimize the printing speed of a subsequent layer; and the updated speed factor is applied to the new layer printing preparation, and circulation execution is carried out until model printing is completed. According to the method, the printing speed is automatically adjusted according to the geometrical characteristics of each layer, the printing efficiency is improved, the printing quality is guaranteed, the method is particularly suitable for printing tasks of complex geometrical structures, and the 3D printing process is more intelligent and efficient.

The invention discloses a screening method for 3D printing powder. The screening method comprises the following steps that powder needing to be screened is prepared; s2, performing screening modes of different levels according to the powder attribute information of the powder: primary screening of the powder; powder is subjected to multi-stage screening; screening fine powder; the screening process is monitored, an alarm detection mechanism is installed, and whether blockage occurs in the screening process or not is judged according to the screening result; different grades of screening modes are carried out by detecting powder attribute information of powder, the alarm mechanism is arranged, whether blockage occurs in the screening process or not is judged according to the screening result, the alarm detection mechanism can be based on the weight of falling materials, when the weight of discharged materials reaches a certain pressure value, it is indicated that work is normal, and the working efficiency is improved. And if the pressure is lower than a normal numerical value, the blanking amount is small, blockage is caused, the blockage and accumulation phenomena of particle materials on the screen are effectively prevented, the continuity and the stability of the screening process are ensured, and the printing quality and the printing consistency are improved.

The invention relates to the field of plant vein printing. Fabric and paper can be made into fine color textures by applying a traditional plant dyeing method, but a traditional dyeing process is difficult to meet industrial production requirements, and industrial pattern printing and dyeing lack of natural textures and low pattern change freedom degree are one of main factors restricting artistry and individuation. The invention provides a plant vein user-defined identification printing method and system based on image identification, and aims to improve the production efficiency, maintain the natural aesthetic feeling and fine texture of veins, extract vein images from multiple positions, obtain more comprehensive vein information, and ensure that the vein images of the whole leaf can be synthesized into the vein images of the whole leaf. And any important vein features are not omitted. By acquiring the high-quality microscopic image in real time, the high definition and details of the vein can be kept, so that the real vein texture can be re-carved during printing. A user can customize the vein image according to own requirements, and batch recarving can be realized through an automatic processing flow.

The invention provides a tension adjusting method for silk-screen printing, which belongs to the technical field of tension adjustment and comprises the following steps: step 1, acquiring relevant parameters in a silk-screen printing process, and determining influence factors of tension in the silk-screen printing process; 2, the type and the structure of the printing machine are obtained, and a corresponding tension measuring instrument is determined according to the type and the structure; 3, the stretching state and position change of the silk screen are monitored in real time according to a tension measuring instrument, and abnormal tension is determined based on influence factors according to the stretching state and position change; and 4, abnormal parameters of the printing machine are determined according to the abnormal tension, and the tension of silk-screen printing is adjusted based on the printing task of the printed product and the ink type. The problems that due to the fact that obvious stretching and compression occur in the printing process of a silk-screen printing product, tension is not uniform, and meanwhile according to a traditional tension adjusting method, tension adjusting needs to be conducted frequently and printing conditions meeting a printing task need to be reset, and the image quality and precision of silk-screen printing are reduced are solved.

The invention discloses a layered rock mass preparation method and device based on a digital image, and the method comprises the following specific steps: S1, carrying out the intelligent recognition and parameter extraction of the stratified rock mass bedding of a target layer rock sample, obtaining the bedding structure feature information of the sample, carrying out the high-precision digital three-dimensional reconstruction of the bedding structure, and obtaining the high-precision digital three-dimensional reconstruction of the stratified rock mass; a corresponding digital reconstruction model is obtained; and S2, according to the digital reconstruction model and bedding structure feature information of the sample, preparing the layered rock-like test piece based on a 3D printing technology. According to the invention, the preparation process of the layered rock mass test piece is simplified, the sample printing efficiency is improved, the sample difference is reduced, the consistency and surface flatness of the test piece are greatly improved, the discreteness among the samples is reduced, and the rock mass characteristics under the real geological condition are better simulated; meanwhile, the period of stratified rock mass research and engineering application is effectively shortened, and the reliability and practicability of a simulation experiment are improved.

A dual-mode biological 3D printing head assembly comprises a bottom plate, an in-place device, a UV curing lamp, a normal-temperature printing head and a thermal printing head are arranged on the bottom plate, and the normal-temperature printing head and the thermal printing head are used for printing high-viscosity materials; the bottom plate is further provided with a plurality of electromagnetic valves and a control circuit board electrically connected with the electromagnetic valves, and the control circuit board is used for spot-jet printing of low-viscosity materials. A nozzle is arranged at the bottom of the electromagnetic valve, and a top inlet is communicated with the low-viscosity charging barrel through a gas path; the low-viscosity charging barrel is sequentially communicated with a proportional valve and an air pump through an air path and is used for extruding and discharging materials to the electromagnetic valve; a heating assembly is arranged outside the thermal printing head and comprises a heat conduction block, a heating rod and a thermocouple are arranged on the heat conduction block, and a heat insulation layer is arranged on the periphery. The utility model further discloses a dual-mode biological 3D printer with the printing head assembly. According to the utility model, high-viscosity materials and low-viscosity materials can be printed at the same time, spot spraying and extrusion are combined, the defect that the low-viscosity materials cannot be printed in a pure pneumatic extrusion mode is overcome, and normal-temperature printing and heating printing can be realized.

The utility model discloses a positioning mechanism of a UV printing device, and belongs to the technical field of printers, and the technical scheme is characterized in that the positioning mechanism comprises a printer body, and the printer body comprises a printing table arranged on the printer body; the printing assembly is installed on the printer body, and the printing assembly is provided with a first driving mechanism; the positioning assembly is mounted on the printer body, and the positioning assembly is provided with a second driving mechanism; the conveying belt is movably mounted on the printing table; wherein the printing table is provided with a printing area, a preparation area and a scanning area, the positioning assembly is provided with a detector, and positioning grooves are formed in the two sides of the conveying belt. According to the printing device, after the printed object is placed on the workbench, the position of the printed object can be rapidly detected, and the printing efficiency is improved.

The invention relates to the technical field of data transmission, in particular to an ink-jet printing data transmission system based on a TSN and an ink-jet printing system.The ink-jet printing data transmission system comprises a time-sensitive network switch used for receiving flow data frames sent by an upper computer; the time-sensitive network gateway is used for receiving the traffic data frame transmitted by the time-sensitive network switch, determining a transmission sequence of all traffic data in a preset transmission time window, and transmitting all processed traffic data; wherein the time-sensitive network gateway mathematical model is constructed based on the flow distribution balance optimization target and the system flow priority distribution optimization target by taking the total size of the flow data received by each electronic control unit as a constraint. According to the invention, the TSN technology is introduced, so that low-delay and high-determinacy data transmission under the condition of high bandwidth is realized in an ink-jet printing system; based on traffic optimization scheduling, a TSN traffic model is designed, a data transmission sequence is determined, and the flexibility and reliability of the system in the data transmission process are improved.

The invention discloses a mixed-platform, multi-task and multi-printer batch printing algorithm, and relates to the technical field of software systems, and the algorithm comprises the steps: building a receipt printing model which comprises a WMS warehouse management system module, a printing assistant module, a printing plug-in module and a printing terminal module; the WMS warehouse management system module receives a printing demand to trigger a printing task, and sends the printing task containing task information to the printing assistant module. According to the algorithm, by constructing a receipt printing model, cooperative work among a WMS warehouse management system, a printing assistant module, a printing plug-in module and a printing terminal module is achieved, the processing speed of a printing task is effectively increased, the design of a priority queue and a task dispatcher ensures that a high-priority task can be preferentially processed, and the printing efficiency is improved. The task waiting time is shortened, the overall printing efficiency is further improved, and the algorithm supports platform mixing and multi-task processing.

The invention provides a 3D printing rapid prototyping system based on multi-nozzle collaboration.The 3D printing rapid prototyping system based on multi-nozzle collaboration.The 3D printing rapid prototyping system based on multi-nozzle collaborationcomprises a printing unit, a control unit and an auxiliary unit, the printing system comprises a multi-nozzle device and a printing platform, nozzles can be independently controlled, the spacing angle can be adjusted, and the platform can be heated and cooled; the control module covers motion, material and temperature control and central control units, realizes cooperative motion, material supply and temperature control of the spray head and coordinates the work of each unit, and the auxiliary unit comprises a support structure generation and post-processing unit, and the system solves the problems of slow printing speed and limited material color of a traditional single spray head, improves the printing speed, and improves the printing efficiency. Multiple material colors can be printed at the same time, printing quality is improved, and system reliability and stability are enhanced.

The utility model relates to a paper feeding mechanism which comprises a paper rubbing roller. A paper feeding roller; the driving mechanism is in driving connection with the paper feeding roller; the first gear set is connected with the paper rubbing roller; the second gear set is connected with the paper feeding roller; the clutch gear set can be in meshed connection between the first gear set and the second gear set in a swinging manner relative to the first gear set; the driving assembly is movably arranged on the rack, and the driving assembly is in driving association with the clutch gear set so as to drive the clutch gear set to be separated from the first gear set; the paper rubbing roller and the paper feeding roller rotate in opposite directions under the transmission action of the driving mechanism, the first gear set, the second gear set and the clutch gear set. The paper feeding mechanism can simultaneously perform paper rubbing action and paper feeding action. The utility model also relates to a printer using the paper feeding mechanism.

The invention discloses an alloy and a preparation method thereof, and the preparation method comprises the following steps: carrying out coating treatment on alloy powder by adopting a coating agent, so that the viscosity of the alloy powder is 0.5-3 Pa.s, and obtaining coated alloy powder; mixing the coated alloy powder with photosensitive resin, a photoinitiator and a dispersing agent, and then carrying out ball milling treatment to obtain alloy slurry; and the alloy slurry is subjected to ultraviolet light curing printing treatment, and the alloy is obtained. The preparation method of the alloy provided by the invention has the following advantages: 1, energy conservation and environmental protection: 3D printing is carried out by adopting an ultraviolet curing mode, and compared with a traditional laser sintering or electron beam melting mode, high temperature is not needed, so that the energy consumption is greatly reduced, and meanwhile, the influence on the environment is also reduced; the 3D printing process can be carried out in the air, a vacuum or protective gas environment is not needed, operation is simpler and more convenient, and large-scale production is facilitated.