77results about How to "Increase printing speed" patented technology

The invention discloses a multi-laser-area printing device capable of regulating and controlling defects. The multi-laser-area printing device comprises a forming mechanism, a laser emitting mechanism, a defect detecting mechanism and a laser printing regulating and controlling mechanism. The additive laser emission mechanism is used for generating a Gaussian beam or a flat-topped beam; the subtractive laser emitting mechanism is used for generating subtractive laser; the laser printing regulation and control mechanism is used for focusing the generated Gaussian beam or flat-topped beam on a forming substrate of the forming mechanism for printing or focusing the generated subtractive laser on the forming substrate for defect removal; the defect detection mechanism is used for detecting whether the printed current layer on the forming substrate has defects or not; the control mechanism is used for controlling the forming mechanism, the laser emission mechanism, the defect detection mechanism and the laser printing regulation and control mechanism to conduct coordinated actions, and printing of the part to be formed and defect removal are completed. The printing speed is effectively increased, the printing precision is guaranteed, and the machining reliability and the surface forming quality are greatly improved.

The invention provides a method for generating a pattern or an image on a cake by using an AI model, and the method at least comprises the following steps: providing a UI module for a user to input keywords and descriptions; generating an image of a black and white vector according to the input content by using an AI-based image module; processing the 2D image into a digital instruction through an image converter module; sending the digital instruction to a laser patterning module; and applying a pattern to the biscuit surface using a laser patterning module.

The invention discloses a stripping type multi-material additive material powder laying system and method based on a mesh screen, the powder laying system comprises a forming chamber and a powder laying device, a forming platform and a moving platform are arranged in the forming chamber, the powder laying device is installed on the moving platform, and the powder laying device comprises a powder supply assembly, a powder suction assembly, a powder scraping assembly, a powder storage assembly and a powder stripping assembly. The powder suction assembly comprises a rotary mesh screen and a vacuum pump, when powder falls off from the powder supply assembly, powder particles can be adsorbed to the periphery of the mesh screen under the suction action of the vacuum pump, and in the process that the mesh screen rotates and the moving platform moves, the powder scraping assembly scrapes part of the powder particles to the powder storage assembly so as to control the thickness of the powder; the powder stripping assembly is used for stripping powder on the periphery of the mesh screen to the forming platform for powder laying, finally, the material types and the distribution form of the powder in the printing plane are accurately adjusted, powder scraping and powder stripping can be conducted at the same time while powder supply is conducted, and therefore the printing speed can be greatly increased, and the production efficiency is improved.

The invention provides a light source adjusting device of a laser 3D printer. The light source adjusting device comprises a printer body, a polarizer, a laser, a moving table, a light beam shielding part and a protective channel. The polarizer is arranged in the printer body, the moving table is arranged on the side face of the printer body, the laser device is arranged on the moving table, the light beam blocking and shielding part is arranged on the moving table and is close to the laser device, and the protective channel is arranged on the light beam blocking and shielding part. According to the light source adjusting device of the laser 3D printer, the adjusting mode of the laser beam is effectively increased and improved, the propagation process of the laser beam is protected, and high-quality printing of a model is ensured while the printing efficiency is greatly improved.

The utility model relates to the technical field of ceramic tableware processing, in particular to printing equipment for ceramic tableware processing, which comprises a printing equipment main body, supporting columns are fixed at four corners of the upper surface of the printing equipment main body, and a printing equipment upper supporting plate is arranged above the printing equipment main body. A circular through groove is formed in the middle of the printing equipment upper supporting plate, a punching machine is installed in the circular through groove, and a fixing ring support is installed in the middle of the punching machine. According to the improved printing equipment for ceramic tableware processing, the condensate pipe and the fan are arranged, cooling liquid is injected into the condensate pipe, so that the surface of the printing table can be cooled, and air can be sprayed out from an air spraying head at the end of a spraying head fixing frame after being cooled by the fan; the surface of the printed ceramic tableware can be rapidly cooled and shaped, and the situation that unshaped patterns on the surface of the tableware are damaged when a user takes the tableware is avoided.

The invention discloses a brightness compensation method, device and equipment and a storage medium, and relates to the technical field of display, and the brightness compensation method comprises the steps that a projection picture of projection equipment is acquired; determining the gray value of each pixel point in the projection picture, and screening the minimum gray value representing the darkest pixel point from the gray values of the pixel points; and performing brightness reverse compensation on each pixel point based on the minimum gray value to obtain a compensation picture after brightness compensation on the projection picture. Namely, the minimum gray value representing the darkest pixel point is screened from the gray values of all the pixel points, so that brightness reverse compensation is carried out on all the pixel points through the minimum gray value, the dynamic range of the image gray is changed, then the brightness of the projection picture is compensated, the brightness uniformity of the projection picture is improved, and the 3D printing speed is improved.

The utility model relates to the technical field of printing machines, and provides a digital printing machine nozzle distribution intelligent combination device which comprises a conveying device arranged on a bottom frame and used for conveying paperboards. The printing head is slidably arranged on the bottom frame, and the sliding direction of the printing head is perpendicular to the conveying direction of the conveying device. The multiple rotary discs are rotationally arranged on the printing head. The multiple nozzles are arranged on the rotary disc at intervals in an array mode, and after the rotary disc rotates, the multiple nozzles on the rotary disc are combined into a row or not combined into a row. By means of the technical scheme, the problems that in the prior art, a digital printer is single in printing mode, and the printing mode cannot be freely selected according to specific conditions are solved.

The invention relates to a hazardous waste label generation method, which comprises the following steps of: acquiring a printing signal, acquiring a waste name from a hazardous waste generation link record table entry specified by the printing signal, comparing the waste name with a waste name in a hazardous waste comparison table, finding out the same value, determining the entry where the same value is located, and generating a hazardous waste label; attribute data of the waste in the hazardous waste comparison table are taken, and a hazardous waste label template is filled in according to the attribute data; obtaining a production date from a hazardous waste production link record table entry specified by the printing signal, and writing the production date into a hazardous waste label template; obtaining weight information from a hazardous waste generation link record table entry specified by the printing signal, and writing the weight information into a hazardous waste label template; generating a digital identification code and writing the digital identification code into a hazardous waste label template to form a hazardous waste label; and printing and outputting the hazardous waste label. Through the hazardous waste comparison table, most of the content needing to be filled in can be directly written into the hazardous waste label, and the printing speed of the hazardous waste label is greatly increased.

The invention discloses a 3D (three-dimensional) printing method capable of spreading powder while printing, which belongs to the technical field of 3D printing and comprises the following steps: S1, by taking a powder spreading scraper as a reference, arranging areas with a plurality of widths in the front and back of the moving direction of the powder spreading scraper as laser sintering closing areas, defining the printing working surface at the front part of the laser sintering closing area as an upper-layer pattern printing area, and defining the printing working surface at the rear part of the laser sintering closing area as a lower-layer pattern printing area; and S2, a powder spreading scraper moves at a constant speed to spread powder, the laser sintering closing area moves along with the powder spreading scraper, the width of the upper-layer pattern printing area and the width of the lower-layer pattern printing area change along with the powder spreading scraper, and meanwhile, laser is adopted for conducting laser sintering printing on the upper-layer pattern printing area and the lower-layer pattern printing area. The time of laser printing image interruption caused by powder laying can be shortened, and the printing speed is increased.

The invention discloses a printer control system which comprises an image processing module used for detecting the quality of printing output in real time and monitoring abnormity in the printing process; the behavior analysis module is used for predicting a printing demand of a user by utilizing a machine learning model based on printing historical data of the user, and pre-loading a file or setting related printing parameters in advance; the error correction and feedback module is used for immediately stopping the printing task when the image processing module detects abnormity; the user interaction module allows a user to check the printing progress in real time through an interface and prompt errors; a printing control method of a printer comprises the following steps that S1, a system reads an image to be printed, color analysis is conducted on each pixel of the image, the RGB color value Ii, c (t) of each pixel is obtained, and the ideal color value # imgabs0 # is obtained through a reference image to calculate the color complexity C (t); according to the method, the printing accuracy and reliability are improved, unnecessary rework and consumable waste are reduced, the printing speed is increased, and the efficiency is improved.

The utility model relates to the technical field of self-adhesive label printing equipment, in particular to a constant-tension unwinding device of a self-adhesive label printing machine. According to the technical scheme, the device comprises a bottom plate and a supporting frame installed on the bottom plate, and further comprises a roller shaft arranged on the supporting frame, and the roller shaft is provided with an expansion and contraction mechanism used for rapidly adjusting the thickness of the roller shaft. According to the utility model, the supporting frame, the roller shaft, the expansion and contraction mechanism, the clamping block mechanism and other structures are matched, and the thickness of the roller is adjusted, so that a reel material keeps proper tension in the printing process, and the quality and the precision of label printing are ensured. Different tension forces may be needed during printing of the winding drums made of different materials, and the printing requirements of various materials can be met by adjusting the thickness of the rolling wheels. In addition, the friction resistance of the winding drum material can be reduced by properly adjusting the thickness of the roller, so that the winding drum runs on the printing machine more smoothly. Therefore, printing speed and efficiency can be improved, and production cost is reduced.

The invention discloses a slice file generation method, a photocuring three-dimensional printing method, a photocuring three-dimensional printing device and a medium, and relates to the technical field of three-dimensional printing. The photocuring three-dimensional printing method comprises the steps that a slice file is obtained, the slice file comprises a slice contour image of at least one slice layer of a to-be-printed model, and the slice contour image comprises a plurality of line segments which are sequentially connected end to end; determining an exposure display image according to the section contour image, wherein the exposure display image comprises an area needing to be exposed and / or an area not needing to be exposed; and controlling the light source to expose according to the exposure display image so as to cure the to-be-cured material in the area corresponding to the area needing to be exposed in the material storage mechanism. According to the method, the occupied space of the slice file can be effectively reduced, and the transmission speed of the slice file is improved, so that the printing speed of the model is improved.

The utility model relates to the technical field of 3d printers, in particular to a conveyor belt type 3d printer which comprises a conveyor belt made of metal materials, the inner surface of the conveyor belt is wound around the driving end of a transmission device, and a magnetic hot bed platform is arranged on the inner side of the conveyor belt. The two ends of the transmission device are connected with tensioning devices capable of adjusting the elastic end of the conveying belt, an installation frame is arranged above the conveying belt and connected with the tensioning devices through supporting rods, and an n-shaped longitudinal guide rail is installed on the inner side of the installation frame. The two ends of the longitudinal guide rail are slidably connected with the first moving block and the second moving block correspondingly, the first moving block and the second moving block are installed at the two ends of the transverse guide rail, and the transverse guide rail is slidably connected with the printing device. Better thermal stability and mechanical stability are provided, shaking and displacement in the printing process are effectively reduced, and the printing quality and precision are improved.

The utility model provides a printing positioning clamp and printing equipment. The printing equipment comprises a printing assembly and the printing positioning clamp. The printing positioning clamp comprises a base and a positioning piece rotationally installed on the base, the positioning piece is used for being sleeved with a to-be-printed piece, and the positioning piece is provided with a circumferential limiting part used for conducting circumferential limiting on the to-be-printed piece. A limiting assembly is arranged between the positioning piece and the base and used for conducting circumferential limiting on the positioning piece every time the positioning piece rotates by a preset angle relative to the base so that the positioning piece can stop rotating. Through the arrangement of the printing positioning clamp, the different circumferential positions of the to-be-printed part can be rapidly printed with scales, the consistency of all sets of scales can be improved, and the precision of the printed scales is guaranteed.

The invention discloses a transmission system for a laser printer and a control method of the transmission system. The invention relates to the technical field of laser printers. The paper feeding device is specifically applied to a rack 2 of the printer and mainly comprises a paper feeding assembly 3, a clutch assembly, a coding assembly 6 and a controller. And the paper feeding assembly 3 is designed to receive the paper fed by the paper feeding mechanism 1 and is responsible for stably transporting the paper to a printing position of the printer. The clutch assembly is mounted on the paper feeding path; by accurately controlling the step length linear motion of the paper, the technology of the invention ensures the stable transmission of the paper in the printing process, thereby improving the printing quality. And meanwhile, deviation and blockage in the paper conveying process are reduced, so that the printing speed is correspondingly increased. According to the technology, by capturing and reading the motion information of the upper electromagnetic clutch in real time and accurately controlling the lower electromagnetic clutch, deviation and dislocation of paper in the conveying process are effectively reduced.

The invention discloses a matt synergistic method for digital printing gloss oil. The matt synergistic method comprises the following steps: step a) preparing raw materials; b) stirring; c) coating; step d) drying; e) humidifying: a) preparing raw materials: preparing a proper amount of UV ink, a diluent, white oil, a viscosity reducer and an inorganic filler, b) stirring: stirring and mixing the raw materials in the step a) to form high-gloss ink, c) coating: uniformly coating the ink on the coated surface through a printing machine to form a gloss oil first layer, and d) drying the gloss oil first layer. The drying efficiency of the first gloss oil layer and the second gloss oil layer is controlled through irradiation and sunlight irradiation, when the ink is cured to form a film, the inorganic material is free and floats on the surface of the cured ink film by utilizing the incompatibility between a resin system and the inorganic material, the glossiness of the ink film is reduced, and a matte effect is achieved.

The invention discloses a blue zirconia ceramic and a preparation method thereof, and the preparation method comprises the following steps: powder mixing modification: mixing zirconia powder, alumina powder and cobalt oxide powder with an alcohol solvent, carrying out ball milling to uniformly mix the powder, adding a surface modifier to modify a ball milling suspension, and drying at 50-80 DEG C for 24-36 hours to obtain the blue zirconia ceramic. The dried powder is sieved, and lipophilic hydrophobic powder is formed; preparing a printing paste material: respectively adding a dispersing agent, a photoinitiator and light-cured resin into the lipophilic hydrophobic powder, and mixing to obtain the printing paste material; printing: printing the printing paste by adopting an SLA-3D printing technology to obtain a ceramic blank; soaking and washing; degreasing and sintering: degreasing and sintering the air-dried ligand in nitrogen; sintering in an oxygen environment to obtain a product; the invention has the advantages of uniform color distribution, stable material, long preservation time, high production efficiency and low cost.

The present disclosure relates generally to the use of poloxamers in additive manufacturing technologies and techniques. More specifically, the present disclosure relates to the use of poloxamers in selective laser sintering (SLS) processes for additive manufacturing of objects, in particular pharmaceutical dosage forms.

The invention belongs to the technical field of 3D printing, and discloses a 3D printing method and printing equipment. The 3D printing method comprises the following steps that a plurality of printing nozzles are connected to a linear sliding rail in a sliding mode; the linear sliding rail is arranged on a linear driving assembly, and the linear driving assembly can drive the multiple printing sprayers to slide in the output direction of the linear sliding rail so that the multiple printing sprayers can move to the preset position; the multiple printing nozzles are in communication connection with an operation module, and the operation module is used for operating and adjusting printing tasks and printing parameters; and the multiple printing nozzles are in communication connection with a control system, and the control system is used for monitoring and feeding back the positions of the multiple printing nozzles, the printing material flow and the printing material temperature. According to the method, printing of a plurality of models can be rapidly and accurately completed, so that the printing efficiency and the forming quality of the models are improved. The method is based on the printing equipment, and the convenience of printing work can be improved.

The present invention relates to a single-rail movable printing table and a screen printing machine, comprising an intermediate plate, a guide rail, and a slider, wherein the guide rail is arranged on the intermediate plate, the slider slides freely on the guide rail, and further comprises a printing table and a discharging table; the printing table and the discharging table slide on the guide rail through the slider. The single-rail movable printing table is adopted, so that the superposition of the slider resistance during the movement of the printing table is reduced, so that the printing table can be quickly prepared and positioned, and a high-quality printing effect is achieved. The printing table and the discharging table are arranged on the same track and moved synchronously through a synchronous wheel, so that the printing quality is improved while the printing speed is also improved.

The invention discloses a film transfer printing method for digital color hot stamping and gold stamping of textiles. The film transfer printing method comprises the following steps that S1, a PET transfer printing bottom film is prepared; s2, a UV printer is used for printing color UV ink on the position, needing color hot stamping, of the PET transfer printing bottom film, and a UV lamp is used for curing; a UV printer is used for printing gold stamping gloss oil at the position, needing gold stamping, of the PET transfer printing bottom film, and a UV lamp is used for curing; s3, a UV printer is used for printing white UV ink at the position of the color UV ink on the transfer printing film, and a UV lamp is used for curing; printing imitation color UV ink at the position needing gold stamping by using a UV printer, and curing by using a UV lamp; s4, a UV printer is used for evenly scattering hot melting powder on the positions, where color hot stamping and gold stamping are needed, of the transfer printing film, and excessive hot melting powder is shaken off; and S5, the hot melting powder on the transfer printing film is heated and baked through a drying device to be melted, and air blowing cooling is carried out. The method has the advantages of being simple in process, good in effect and capable of improving the printing efficiency and reducing the production cost.

The present application relates to the technical field of 3D printing, in particular to a processing step and method of a coating process TPU. The present application uses the post-processing technology of the formed part to process the formed part, which not only improves the FDM printing speed by 3-4 times, can realize the successful printing of complex models that cannot be realized in the FDM printing process of TPU, and breaks through the color printing of flexible materials. Moreover, after the processing of the formed part, the interlayer bonding force is greatly increased, and the surface effect is equivalent to the SLA surface fineness. Such a process not only breaks the limitation of 3D printing that can only print single color with special design shoes, but also greatly reduces the printing equipment cost, the formed part printing cost, improves the efficiency, realizes color printing, and more importantly, the printed object can be directly worn. At the same time, the hardness of the formed part of the present application will be maintained at about 70A, which is suitable for printing various wearable products and is suitable for various industries.

This invention discloses a dual-wavelength accelerated curing photopolymerization 3D printing method and apparatus, relating to the field of additive manufacturing technology. It employs a dual-wavelength responsive photopolymerization ink, which comprises a polymerizable monomer, a photoinitiator sensitive to a first wavelength, a photosensitizer sensitive to a second wavelength, a singlet oxygen quencher, and a solvent. The photosensitizer is excited under second-wavelength light irradiation, converting ambient oxygen into singlet oxygen. The singlet oxygen quencher consumes singlet oxygen to reduce local oxygen concentration. The first and second wavelengths are spectrally orthogonal. This dual-wavelength accelerated curing photopolymerization 3D printing method and apparatus eliminates oxygen inhibition in localized low-oxygen environments, reduces exposure dose, and increases printing speed.

The invention discloses a continuous fiber high-speed printing head device and a high-speed printing method.The continuous fiber high-speed printing head device comprises a mounting frame, a wire feeding mechanism, a wire shearing mechanism and a hot end assembly, the wire feeding mechanism comprises a wire feeding driving device, a transmission assembly, extrusion rollers and an adjusting assembly, and the wire feeding driving device drives the extrusion rollers to move oppositely to extrude prepreg to achieve wire feeding; the adjusting assembly is used for adjusting the extrusion force between the two extrusion rollers. The wire shearing mechanism can be quickly disassembled to quickly mount and replace a blade, and the hot end assembly performs multi-stage heating on the prepreg and is matched with a high-speed printing method to realize continuous fiber high-speed printing. By arranging the adjusting assembly, adjustment of the distance between the extrusion rollers and the clamping force is achieved, the wire feeding mechanism can feed wires of different specifications, and the applicability is wide; the wire feeding mechanism, the wire shearing mechanism and the hot end assembly are all optimized, the maintenance difficulty of the printing head is reduced, and the printing stability and the working efficiency are improved.

The invention discloses a micro-nano metal structure electrofluid and electrochemical composite 3D printing method and device.The printing method comprises the steps that a non-metal micro-nozzle injected with metal ion-nanoparticle mixed liquid serves as a printing tool, and a microwire electrode connected with the positive electrode of a voltage source is inserted into the metal ion-nanoparticle mixed liquid in the non-metal micro-nozzle in a suspended mode; connecting the substrate with the negative electrode of the voltage source; the voltage source applies an electric field between the microwire electrode and the base material, and the metal ion-nanoparticle mixed liquid is sprayed out in the form of ionic liquid drops wrapping metal particles under the action of traction force of the electric field and flies to the surface to be deposited of the base material at a high speed in the direction of an electric field line; under the synergistic effect of impact self-sintering of the metal nanoparticles and oxidation-reduction precipitation of the metal ions, layered forming of the metal micro-nano structure is achieved; layer-by-layer accumulation printing of the micro-nano scale complex three-dimensional metal structure is achieved by controlling the printing distance, and high-precision, high-strength, post-treatment-free, efficient and low-cost preparation of the multi-material array structure can be achieved.

The invention is suitable for the technical field of printing equipment, and provides a thermal printer which comprises a main shell, a thermal printing part and a driving structure. A supporting face is arranged in a main shell, meanwhile, a thermal printing part is movably arranged, the thermal printing part is provided with a working face opposite to the supporting face, the supporting face and the working face form a printing gap for printing paper to pass through, and the printing paper enters and stays in the printing gap. During printing, the thermal printing part is driven by the driving structure to be close to the printing paper on the supporting surface, so that the working surface on the thermal printing part is in contact with the printing paper, and printing can be completed. Compared with a thermal printer in the prior art that printing paper moves while printing, printing can be completed only through one-time movement of the thermal printing part, so that the printing speed is increased, and the working efficiency is improved.

The embodiment of the present invention discloses a method, device, equipment, medium and program product for printing adhesive film. It includes: obtaining a target printing image corresponding to the current working condition, and printing according to the target printing image to determine the intermediate printing result; performing image sampling on the intermediate printing result, and determining the target shape corresponding to each ink droplet in the intermediate printing result according to the image sampling result; determining the electric field control parameters corresponding to each ink droplet according to each target shape and the corresponding relationship of the diffusion adjustment corresponding to the current working condition; performing electrowetting adjustment on each ink droplet according to the corresponding electric field control parameter to obtain the target adhesive film. The electrowetting technology is used to achieve precise shape control for each ink droplet, so that the thickness of the adhesive film generated after adjustment in this way is more uniform, and the printing speed can be increased without sacrificing the printing quality, thereby improving the adaptability to the printing medium during the adhesive film printing process, and improving the adhesive film printing efficiency and printing quality.

The invention provides a nozzle replacement method, three-dimensional printing equipment and a computer readable storage medium, and relates to the field of three-dimensional printing. The method is applied to the three-dimensional printing equipment, the three-dimensional printing equipment comprises a printing head and a nozzle holder, the printing head comprises a printing head base and a nozzle assembly detachably connected with the printing head base, and the method comprises the following steps: responding to an information binding request, binding assembly information of a target nozzle assembly placed on a target station of the nozzle holder with station information of the target station, and updating mapping relation information of the assembly information and the station information; in response to a replacement signal, the nozzle frame is controlled to disassemble the first nozzle assembly on the printing head base; and based on the assembly information corresponding to the replacement signal and the updated mapping relation information, a second nozzle assembly to be installed is determined, and the second nozzle assembly on the nozzle frame is installed to the printing head base.

The invention relates to a printing machine (01) designed as a sheet-fed printing press (01), having at least one printing head (09) and a roll unwinding device (24), wherein the printing machine (01) is provided with a transport path for transporting a printing substrate (02), and wherein the printing machine (01) has a central cylinder (07) as a printing substrate guide element (07), the printing head (09) being arranged pointing towards the central cylinder, and wherein the printing machine (01) has a charging device (03) having at least one charging electrode (04) designed as a DC voltage electrode (04), and wherein the region of the transport path for transporting the printing substrate (02) which is adjacent to the charging electrode (04) is arranged before the printing point (11) defined by the printing head (09), and wherein the central cylinder (07) is earthed, and wherein the printing head (09) is earthed, and wherein the minimum distance (c) between at least one spray opening (12) of the printing head (09) and at least one charging electrode (04) is at least 20 mm.