60 results about "Laser printing" patented technology

The invention discloses a colorful acid and alkali resistant laser printing ink and a preparation method thereof. The printing ink is composed of the following components in parts by weight: 0 to 30 parts of butanone, 10 to 30 parts of isopropanol, 2 to 6 parts of curing agent, 10 to 15 parts of pigment, and 10 to 30 parts of glycidyl ether epoxy resin. The glycidyl ether epoxy resin is adopted to produce the printing ink, aliphatic polyamine is further chosen as the curing agent, the acid and alkali resistant performance of the printing ink is strengthened through optimizing the formula, thus the shortage that the colorful laser printing ink is lost when being mixed with acid and alkali is overcome, moreover, the color of the laser printing product is more abundant, and the patterns are more clear.

The utility model relates to photovoltaic industry manufacturing equipment technical field especially, and more particularly to a kind of for laser printing carrier plate roller coating silver paste mechanism.The utility model provides such a kind for laser printing carrier plate roller coating silver paste mechanism, including bottom plate, the installation carrier of part;First support rod, left-right symmetrical type is connected on the bottom plate upper side front side;Second support rod, is connected on the bottom plate upper side rear side;Material box, is connected between two the first support rod and the second support rod upper end.The utility model drives first stirring knife and second stirring knife to and fro stirring by starting first motor and second motor, start screw rod motor drive coating roller and extruding roller shift, start third motor and fourth motor, drive coating roller and extruding roller rotation, make coating roller surface and material box inner silver paste fully contact, adjust extruding roller and coating roller between interval by adjusting piece, and coating roller is coated to printing plate on slurry to complete coating.

The application belongs to the technical field of additive manufacturing, and particularly relates to an intelligent 3D printing system, which comprises a rack and a controller, the inside of the rack is provided with a laser printing head and a powder laying mechanism, the powder laying mechanism lays powder, and then the laser printing head melts the powder by laser to complete the action of cladding. The intelligent 3D printing system can utilize forward mapping to output the trained network in seconds or even milliseconds, greatly accelerating the real-time simulation effect of design iteration. Meanwhile, the neural network can replace time-consuming finite element calculation in the optimization process of genetic algorithm, and quickly find the optimal design parameters, thereby achieving the effect of optimization design. On the other hand, the backward mapping is used to quickly and accurately identify the complex material model parameters, which is several times faster than the traditional trial-and-error method, and the input or physical characteristics of the system can be back calculated according to the dynamic response of the structure.

This invention relates to the field of alloy forming technology, specifically to a method for preparing Ti-Al medium-entropy alloys based on selective laser melting. The method includes preparing raw material rods, gas atomization powder preparation, 3D modeling, preheating and forming the matrix, powder spreading and leveling, 3D printing pretreatment, pre-powder spreading, and laser printing. This method features high melting rate and high solidification rate, forming unique microstructures such as ultrafine grain structure, metastable phases, and supersaturated solid solutions. By combining alloy composition design, gas atomization powder preparation, and selective laser melting, the resulting parts possess excellent comprehensive mechanical properties and can be used to prepare complex structural parts. Furthermore, it features a short preparation cycle, high material utilization, and rapid forming.

This utility model relates to the field of coating technology, and more particularly to a fully automatic coating device for laser printing carrier plates. This utility model provides such a device, comprising: a base plate as a mounting carrier for parts; a mounting frame connected to the upper side of the base plate; a guide rail connected to the mounting frame; guide plates symmetrically sliding on the left and right sides of the mounting frame; and a support frame connected between the upper sides of the four guide plates. The device operates by starting a first and second rotary motor to drive the feeding roller and stirring roller, agitating the silver paste and conveying it to the coating roller. Starting a second screw motor and a third rotary motor drives the coating roller to contact the carrier plate to complete the coating process. Activating an electric slide rail opens the first and second scrapers. The first screw motor and the fourth rotary motor drive the scraper to move and remove excess paste. The first and second scrapers scoop the paste back into the material box, and the stirring roller agitates the paste for recycling.

This application discloses a method for fabricating a heat sink housing using SLM (Surface Mount Technology) and the heat sink housing itself. The method includes steps such as 3D modeling and path planning, optimization of wide-particle-size copper alloy powder, substrate mounting and powder spreading blade adjustment, parameter setting, laser printing and gradient energy forming, and multi-stage post-processing. 3D modeling and path planning provide precise guidance for heat sink housing manufacturing; optimization of wide-particle-size copper alloy powder improves forming efficiency; laser printing and gradient energy forming ensure the forming quality of complex heat sink housing structures; and post-processing ultimately achieves dual optimization of performance and precision. This application solves the problem that when fabricating heat sink housings using laser printing technology, the poor compatibility between wide-particle-size copper alloy powder and existing laser printing technology leads to uneven powder spreading during printing, resulting in forming defects and low density in the printed product.

The utility model discloses a kind of large-size laser printing support structures of anti-deformation, it is related to 3D printing technical field, including the support structure body being arranged between support platform and product, support structure body includes net rack support component, support block is equipped in the net rack support component one end close to support platform, the dot matrix connector is equipped in the net rack support component one end close to product.The utility model forms net rack structure by support column, first connecting sphere, second connecting sphere and connecting rod, utilizes the stress dispersion of the multi-point constraint effect of net rack structure, improves the overall stiffness of support structure body, to improve the anti-deformation ability of support structure, simultaneously, by the setting of isolation layer and dot matrix connector, support structure body is convenient to separate from support platform and product.

This invention discloses a molding method for an injector assembly, belonging to the field of aerospace injector technology. The method includes: S1, alloy powder preparation: drying CuCrZr alloy atomized powder and stainless steel alloy atomized powder separately in a vacuum drying oven, followed by ultrasonic vibration treatment; S2, injector assembly model design: designing an injector model; S3, setting printing parameters: importing the model into a laser selective melting device and setting parameters; S4, laser printing: obtaining the injector part through laser printing; S5, surface treatment: performing surface treatment on the injector part; S6, hot isostatic pressing: welding the injector part through hot isostatic pressing; S7, post-processing: machining and polishing the injector. This invention provides a molding method for an injector assembly that improves material utilization, ensures stable operation of the injector, and to a certain extent solves the problems of numerous weld joints, long manufacturing cycles, and complex processes in injector assembly manufacturing.

The utility model relates to a kind of mini laser marking machine, including product stage, the drive module for driving product stage front and rear movement and the laser module for being located in the drive module upper portion and directly laser printing information on the product to be marked on.The utility model is lower in cost, smaller in size, more suitable for primary hospital.

The utility model discloses a kind of laser two-dimensional code printing equipment, belong to laser printing technical field, solve the existing device inconveniently to the printed bottle body is fixed, in the process of printing two-dimensional code, bottle body shaking can cause two-dimensional code printing failure Problem, including workbench, the top surface of the workbench is fixedly installed with the transmission device for conveying bottle body;The middle part of the workbench is provided with the limiting component for limiting and fixing bottle body, the front side of the workbench top surface is provided with the laser printing component for printing two-dimensional code, the rear side of the workbench top surface is provided with flue gas cleaning component. Through the setting of limiting component, two-way threaded rod can be rotated using motor, then make the slider of its two ends close to each other, i. e. arc plate can hold and fix bottle body, can avoid the situation that laser printing component shakes when printing two-dimensional code, is favorable to improve the qualified rate of printing two-dimensional code, it is simple and convenient to use.

The utility model relates to a kind of label feeding mechanism for bar bundling machine, including support plate, the top of the support plate is fixedly connected with label storage bin, the side of the label storage bin is provided with laser module, the top of the support plate is provided with to be worn position, the top of the support plate is fixedly connected with electric telescopic handle, the support plate is provided with feeding mechanism by the electric telescopic handle, and the feeding mechanism includes L type moving push plate.The label feeding mechanism for bar bundling machine, by design feeding mechanism, label can be automatically transported to the position required to be processed, solves the process in use, usually by staff manually label is placed on laser printing device to print, and manual label placement, the placement position of label is not accurate enough, will affect the finished product effect of label, and, staff long-term operation can produce fatigue, reduce work efficiency and other problems.

This invention relates to the field of laser printing rapid prototyping technology, and discloses an external powder feeding mechanism on the side wall of a 3D printing metal laser melting device. The mechanism includes a material cylinder and a spiral blade rotatably disposed within the cylinder. The output end of the material cylinder is connected to a laser printing head, and the input end of the material cylinder is connected to a filling hopper via a fixed component. The device also includes: an anti-caking section comprising a partition fixedly connected through the filling hopper, and an inner plate movably disposed through the partition; a toothed plate fixed to the partition and movable teeth fixed to the inner plate; and a driving component connected to the partition to push the movable teeth to break up agglomerates; an anti-static section comprising a hollow chamber inside the partition, toothed blocks, and movable teeth, and multiple exhaust ports evenly distributed through the movable teeth; and an air supply component connected to the driving component to prevent static electricity buildup; and a filtration section comprising a soft magnetic tape rotatably disposed via gear transmission, and a filter screen disposed below the partition and inner plate; and a scraping component to separate metal powder and impurities.

The utility model belongs to printer technical field especially relates to a main drive shaft of laser printer, including the axle body, is equipped with the composite recess mechanism on the axle body, the composite recess mechanism includes first recess, second recess, third recess and fourth recess in proper order along the axle body direction, first recess is equipped with first radial through -hole on first recess, is equipped with second radial through -hole and third radial through -hole on second recess, is equipped with fourth radial through -hole and fifth radial through -hole on fourth recess, first radial through -hole positioning pin is connected with motor output gear, second radial through -hole is connected with selenium drum drive gear through positioning pin, third radial through -hole is connected with paper feed roller synchronous gear through positioning pin, fourth radial through -hole is connected with fixing pressure adjusting rod, the U type groove of photoelectric sensor is bridged in the fifth radial through -hole directly above, through the composite recess mechanism, can improve the stability and accuracy of laser printer.

Disclosed herein is a method of laser printing including xerographic printing, printing via patterns of electrostatic charge, and / or laser printing onto a substrate with a silk fibroin particle-based toner including silk fibroin particles to produce a printed article.

This invention provides a marking strip, including a frame and a marking plate. The marking plate is connected to the frame via a connecting part and has an information printing surface for printing information. The frame has a first anti-slip structure on a first frame side perpendicular to the information printing surface, and a second anti-slip structure on a second frame side perpendicular to the information printing surface. The first and second anti-slip structures cooperate to form an interlocking interface between the first and second frame sides. The marking strip of this invention, with its first and second anti-slip structures, restricts relative sliding and rotation within a plane parallel to the information printing surface when the marking strips are stacked, which is beneficial for recognition by laser printing equipment. This invention also provides a mold for forming the marking strip.

The application relates to the technical field of semiconductor lasers, and discloses a semiconductor laser light-emitting chip for a laser printer, which comprises an N-face electrode, the top of the N-face electrode is connected with a substrate layer, the top of the substrate layer is connected with a buffer layer, the top of the buffer layer is provided with a circular-arc ridge-type strip structure, the circular-arc ridge-type strip structure comprises an N-type limiting layer connected with the buffer layer, an insulating layer wrapped on the two sides of the sidewall of the circular-arc ridge-type strip structure and a P-face electrode, and N-type waveguide layers, N-type barrier layers, quantum well layers, P-type barrier layers, P-type waveguide layers and P-type limiting layers are sequentially arranged between the N-type limiting layer and the P-face electrode from bottom to top. The semiconductor laser light-emitting chip for the laser printer effectively inhibits the leakage of carriers at high temperatures by arranging the barrier layer with high band gap in the epitaxial layer of the semiconductor laser, the preparation method is simple, the process is a mature process at present, and the semiconductor laser light-emitting chip is easy to mass-produce.

The application discloses a method for inhibiting crack initiation of 3D printing laser forming Al-Cu alloy, which comprises the following steps: (1) mixing Al-Cu alloy powder with Sc2O3 powder, ball milling to obtain Al-Cu / Sc2O3 mixed powder; (2) laser 3D printing forming on the mixed powder, and controlling the laser scanning speed to be 300-500 mm / s. Through high-speed modification of the original powder and laser 3D printing Al-Cu alloy laser process control, the crack sensitivity problem of laser 3D printing forming Al-Cu series and other precipitation strengthening high-strength aluminum alloys is solved, and high-efficiency and high-quality crack-free forming of laser 3D printing Al-Cu alloy is realized. The method provides a possibility for topological optimization design of aerospace part structures, and the formed parts can be applied to the industries with great demand for light-weight high-strength complex structural parts, such as aerospace and communication transmission, and have strong operability and wide application range.

The application relates to the technical field of laser printers and discloses a laser printer control task management method and system based on deep learning, which comprises the following steps: collecting pretreatment data; constructing a deep learning model based on mixed attention; extracting local features in task, device and environment data by using a separable convolution structure of a convolutional neural network; capturing time sequence dependency in device running states and task execution processes by using a long short-term memory network; mining cross-dimension association weights between different feature dimensions based on a self-attention mechanism; optimizing hyperparameters of the mixed attention deep learning model by using an improved IWOA whale optimization algorithm to obtain a target mixed attention deep learning model; and inputting the pretreatment data into the target mixed attention deep learning model to output task scheduling priorities, optimal control parameters and fault risk prediction results. The method can optimize a task queue, improve printing efficiency, adjust control parameters and reduce device downtime.

The utility model discloses a kind of full-automatic laser printing equipment, comprising: mounting platform, carrier plate turntable module, including rotating assembly and turntable, the turntable is opened with multiple installation grooves, carrier plate is inductively arranged in the installation groove, laser light path module is set in the first station top, for laser printing;Jig positioning module is set in the first station below, for placing the battery piece to be processed and positioning it;Camera positioning module is used to detect the battery piece position on the jig positioning module;Feeding conveying module is used for battery piece feeding;Discharging conveying module is used for battery piece discharging;Feeding and discharging interactive module, the battery piece is transferred from feeding conveying module to jig positioning module, and from jig positioning module to discharging conveying module;Cleaning module is used to clean the carrier plate;Drying module is used to dry the carrier plate;Coating module is used to coat silver paste on the carrier plate.

The application discloses a large-format double-laser printing task dynamic coordination distribution method, which comprises the following steps: firstly, layering the printing pattern; then, partitioning based on the median line of each layer width direction and calculating the difference between the average area of each layer printing pattern and the actual printing area of any laser galvanometer scanning system; judging whether the current partition scheme is balanced; if not, adjusting the position of the partition line using the gradient descent method until the balanced condition is met, and taking the partition line meeting the balanced condition as the final partition line; otherwise, taking the median line as the final partition line; finally, two laser galvanometer scanning systems perform printing operation on their respective task partitions. The application can dynamically adjust the partition through the gradient descent method and real-time area calculation, and can adaptively balance the processing task quantity of the two laser beams, especially for asymmetric complex patterns, so that the overall processing output efficiency is significantly improved, and the processed patterns are clear and high in precision.

A printing system comprises: a conveying device 2 that conveys a container 10 along a predetermined conveying path; an imaging device 3 that captures an image of the container 10 being conveyed by the conveying device 2; a laser printing device 4 that is disposed at a position downstream of the imaging device 3 in the conveying path and performs laser printing on the container 10 being conveyed by the conveying device 2; and a control device 6, wherein the control device 6 is capable of implementing a rotation angle identification function for identifying the rotation angle of the container 10 on the basis of the image captured by the imaging device 3, and a printing control function for controlling the laser printing device 4 to perform laser printing at a printing position determined on the basis of the rotation angle.

The utility model relates to carbon powder box technical field, concretely is a carbon powder box with good sealing effect, including carbon powder box body, the one side of carbon powder box body is provided with the shell, the inside of carbon powder box body is provided with the anti -condensation mechanism, the inner wall of powder inlet and the surface of sealing cap are provided with high sealing mechanism. The utility model not only makes carbon powder box use can all directions to carbon powder in carbon powder box body and turn over, keeps carbon powder in each place of carbon powder box body inside all and keeps loose state, avoids the problem that the pattern after printing appears everywhere different etc. of thick and thin, improves the printing effect of laser printer, and makes carbon powder box use can greatly improve its overall sealing, avoids the phenomenon that carbon powder in carbon powder box body inside is damp, simultaneously, can avoid the phenomenon that carbon powder leaks in the carbon powder box use process.

The utility model discloses a laser printing device, the utility model discloses a laser printing device includes: the carrier plate, the lower surface of carrier plate is equipped with the groove, and the electrode slurry is accommodated in the groove, the upper surface of carrier table is equipped with the flexible layer and solar cell piece in proper order, and the fixed frame is fixed with a diaphragm layer in the fixed frame, and the diaphragm layer is located between the carrier plate and solar cell piece, and the diaphragm layer surface is equipped with a plurality of via, in the direction of laser propagation, the projection of groove is in via. The utility model discloses through adding a diaphragm layer with via between the carrier plate and solar cell piece to be able to fast and accurately control the gap size between the carrier plate and solar cell piece, can improve the printing precision and quality of laser printing equipment, also can make laser printing equipment when facing different models of battery piece processing in short -term can switch fast, thereby improve production efficiency.

Methods of laser printing include xerographic printing, printing via patterns of electrostatic charge, and / or laser printing onto a substrate with a dry mixed silk fibroin toner to produce a printed article. The dry mixed silk fibroin toner is formed by dry mixing a silk fibroin powder with a pigment powder and / or a dye powder. Laser printing can also be with a silk fibroin biotoner powder formed by mixing a silk fibroin powder and an enzyme solution, and optionally a pigment powder and / or a dye powder, to form a biotoner solution, wherein the biotoner solution is spray dried to form the silk fibroin biotoner powder. Laser printing cartridges may be loaded with a dry mixed silk fibroin toner or a silk fibroin biotoner powder.

The application discloses a preparation method of a WC / Ni composite coating and belongs to the technical field of additive manufacturing surface coating modification. The method comprises the following steps: preparing WC / Ni coated powder by using a coprecipitation method, then ball-milling the coated powder to a suitable particle size, and using a high-flux metal laser 3D printing device (KR20) to perform laser directional energy deposition, wherein the laser spot diameter is 1.6 mm, the laser power is 800-1200 w, and the scanning speed is 600-1500 mm / min. The 316L stainless steel with a size of 100*100*5 mm is used as a printing substrate, and the protective atmosphere is Ar gas with a flow rate of 6.7 L / min. The WC / Ni composite coating prepared by the method has good morphology, high hardness and corrosion resistance.

The application discloses a self-removing method of a 3D printing rare earth modified high-strength aluminum alloy constraint structure, which comprises the following steps: (1) obtaining a rare earth modified aluminum alloy powder; (2) forming a rare earth modified aluminum alloy solid member and a constraint structure by using laser 3D printing on the rare earth modified aluminum alloy powder; the laser scanning speed of the solid member is smaller than that of the constraint structure by 800-1600 mm / s; (3) performing aging post-treatment after the forming processing is completed. According to the application, the difference laser scanning speed is set for the solid member and the constraint structure, the mechanical property of the constraint structure after the aging treatment can be remarkably reduced, the intergranular brittle fracture under external load is avoided, the high-quality forming of the laser 3D printing rare earth modified high-strength aluminum alloy complex component is ensured, and the self-removing effect of the constraint structure is realized. The formed part can be applied to the aviation, aerospace, communication transmission and other industries with great demand for light high-strength complex structure parts, has high operability and wide application range.

This invention provides a printing system and method that enables individual printing on each individual product. [Solution] The system comprises a transport device 2 that transports a container 10 along a predetermined transport path, a photographing device 3 that photographs the container 10 being transported by the transport device 2, a laser printing device 4 positioned downstream of the photographing device 3 in the transport path and performing laser printing on the container 10 being transported by the transport device 3, and a control device 6, wherein the control device 6 can implement a rotation angle identification function that identifies the rotation angle of the container 10 based on the image taken by the photographing device 3, and a printing control function that controls the laser printing device 4 to perform laser printing at the printing position determined based on the rotation angle.

This utility model relates to the technical field of manufacturing equipment in the photovoltaic industry, and particularly to a high-speed roller coating device for laser printing substrates. This utility model provides a high-speed roller coating device for laser printing substrates, including a sliding plate, a coating assembly, a second mounting frame, a rotating shaft, a first scraper, a second scraper, a third mounting frame, and second guide rails. The coating assembly is mounted on the sliding plate, and the second mounting frame is mounted on the sliding plate. A rotating shaft is rotatably connected inside the second mounting frame, and the first scraper is mounted on the rotating shaft. A second scraper is mounted on the front side of a second stirring blade. The third mounting frame is mounted on the sliding plate, and second guide rails are symmetrically connected to its left and right sides. By setting up a dedicated silver paste recovery mechanism, including the first and second scrapers, the silver paste scraped off by the scraper can be effectively recovered and reused for coating after mixing, greatly improving the utilization rate of silver paste and reducing production costs.