20results about How to "Increase printing speed" patented technology

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 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.

The utility model provides a paper pressing device of a carton printing machine, which is mounted above a paper feeding part of the carton printing machine and comprises a mounting seat, a left baffle, a right baffle and a vertical column, the left baffle and the right baffle are used for clamping two sides of a carton, and the vertical column is positioned between the left baffle and the right baffle. The left baffle, the right baffle and the stand column are each provided with a downward-pressing air cylinder, and the end of each downward-pressing air cylinder is connected with a pressing disc. The paper pressing device of the carton printing machine can effectively prevent paper boards from being warped, clamped and the like in the paper feeding process, so that normal operation of the carton printing machine is guaranteed, and production efficiency is improved.

The utility model belongs to the technical field of gravure printing, and discloses an airflow circulation drying oven device of a gravure printing machine, which comprises a drying oven bottom box, a heating component, a drying oven top box, a fan and an air circulation component, the heating assembly is arranged between the oven bottom box and the oven top box; a drying area for a film material to pass through is formed between the drying oven bottom box and the drying oven top box; a wind energy storage area is formed between the drying oven top box and the heating assembly, and a plurality of fans for conveying natural wind into the wind energy storage area are further arranged on the drying oven top box; a gas extraction channel communicated with the drying area is formed in the drying oven top box; the air circulation assembly is used for circulating air flow of the exhaust air channel to the wind energy storage area. By arranging the fan and the air circulation assembly, uniform air blowing can be achieved, so that the printing film is heated uniformly and can be dried timely and fully, the quality of finished products can be guaranteed, and the printing speed of the whole machine can be increased.

This utility model relates to the field of 3D printing technology, and more particularly to a throat, a print head, and a 3D printer. The throat is used in a circuit merging mechanism, which also includes a heat dissipation device. The throat is connected to the heat dissipation device, which has multiple feed channels. The throat has an discharge channel, or both the heat dissipation device and the throat have discharge channels. The feed channels communicate with the discharge channels. The 3D printer includes the aforementioned throat and print head. The technical solution of this application enables multi-color printing without cutting the filament.

The utility model discloses a printing head. Comprising a liquid storage component for storing ink, a driving component and a spraying hole component, the driving component and the spraying hole component are located on the two sides of the liquid storage component respectively, and the driving component can enable the ink in the liquid storage component to be sprayed out of the spraying hole component; the driving component comprises piezoelectric ceramics; the piezoelectric ceramic is provided with an isolation part which isolates the piezoelectric ceramic to be matched with the liquid storage component.

This invention provides a degassing mechanism for folding pages in commercial printing presses. The degassing blade of this mechanism is mounted on a rotating wheel in a serrated shape. The degassing blade is a ring-shaped cutter with serrated edges, which leaves a series of air holes on the paper as it passes through. The rotating wheel is located in front of the paper feed roller in the conveying direction, placing it diagonally above the roller. This allows the degassing blade to apply positive pressure to the paper as the roller moves forward, preventing slippage and ensuring paper quality. The degassing ring groove ensures the depth to which the degassing blade cuts the paper, guaranteeing that each tooth leaves an air hole at the fold line. This achieves ideal degassing during folding, preventing air pockets at the fold line and significantly improving the flatness of the folded paper, thus enhancing the overall quality of the final paper processing.

The invention provides an exposure control method and equipment for photocuring printing equipment and a readable storage medium, and relates to the technical field of 3D printing. The photocuring printing equipment comprises at least two light source devices, and the exposure control method comprises the step of controlling the at least two light source devices to move respectively so as to carry out regional exposure on a to-be-cured region. During exposure, each light source device is responsible for printing a part of the to-be-cured area, so that the moving time of the light source devices relative to the to-be-cured area is shortened, and the printing speed is increased.

The application discloses a printing control method and device, a printer and a storage medium. The method comprises the following steps: S1, acquiring a to-be-printed data set of a current printing point row and a maximum printable point number N1 of the printer; S2, when it is judged that a printing point number N2 corresponding to the to-be-printed data set is greater than the maximum printable point number N1, if there is an integer n, such that ceil(N3 / N1) < ceil(N2 / N1), N3 / N2 > p, and the above conditions are satisfied, then n printing points in the to-be-printed data set are removed, an actual printing data set is obtained, and step S3 is performed; otherwise, step S4 is performed; S3, printing the current printing point row according to the actual printing data set; and S4, printing the current printing point row according to the to-be-printed data set. By removing some printing points in the to-be-printed data set, the printing speed is improved under the condition of slightly reducing the printing quality. The application is particularly suitable for some printing scenes with high printing speed requirement and low printing quality requirement, for example, printing of express delivery labels.

The application discloses a desktop-level particle 3D printer, which comprises a base, an electrical machine box and a double-layer gantry, the double-layer gantry is fixed on the base, the electrical machine box wraps the double-layer gantry and is fixed on the base, a slidable Y-axis assembly is arranged on the base below the double-layer gantry, a liftable Z-axis assembly is arranged between the double-layer gantry, a slidable X-axis assembly is arranged on the Z-axis assembly, a detachable extrusion device is arranged on the X-axis assembly, a printing platform is arranged on the Y-axis assembly, the extrusion device melts plastic particles, extrudes from a nozzle and prints on the printing platform, various conventional plastic particles and composite modified material particles can be used for 3D printing, the traditional mode of using plastic wires as raw materials for printing of small 3D printers is changed, and the printing capacity and printing speed are greatly improved.

The utility model discloses a paper feeding device of a laser printer, relates to the technical field of paper feeding of laser printers, and solves the problems that when a paper feeding device of a laser printer in the prior art is used for feeding paper, the paper is easy to be stuck or a plurality of paper is fed at the same time, the paper feeding device comprises a paper box, and the inner wall of the paper box is hinged with a bearing plate; the bottom of the paper box is fixedly connected with a first motor, and the inner wall of the bottom of the paper box is rotationally connected with a threaded rod. When the pickup roller conveys paper, the paper pickup force of the pickup roller is accurately controlled, so that the paper is stably conveyed to a printing area in a printer from a paper box, the printing speed is improved, and the probability that the paper is stuck and damaged in the conveying process and multiple pieces of paper are conveyed at the same time is reduced.

The invention relates to a printing production line and method, and belongs to the field of printing, the printing production line comprises a first material moving mechanism and a feeding trolley, and the feeding trolley is provided with multiple layers of material trays from top to bottom; the feeding mechanism comprises a first feeding conveying line and a feeding tray lifting device, the feeding tray lifting device is close to the feeding trolley, the first material moving mechanism is constructed to be suitable for driving the material trays to leave the feeding trolley and enter the feeding tray lifting device, and the feeding tray lifting device is constructed to be suitable for moving the material trays to the first feeding conveying line. According to the printing production line, the full-automatic printing technology of automatic feeding, automatic printing and automatic discharging of the vamps is achieved, the printing speed is high, the efficiency is high, the multiple positioning devices are arranged, accurate positioning of the vamps in the printing process is achieved, and the printing quality is guaranteed.

The application relates to a hot end assembly and a 3D printer, the hot end assembly comprising a heat dissipation piece and a heat conduction block, a through channel being arranged in the heat conduction block, the through channel being communicated with a feeding port of a nozzle, and printing consumables entering the through channel through the heat dissipation piece; at least one protrusion is arranged in the through channel, the printing consumables enter the nozzle through the protrusion and are extruded through the nozzle. By arranging the protrusion in the through channel, the protrusion can adjust the through channel into a special-shaped through channel or can separate the through channel into multiple sub-through channels, so that the contact area of the printing consumables and the through channel is increased, the heating area of the printing consumables is increased, and then the printing consumables are fully melted, so that the printing speed is improved and the printing flow is increased.

This utility model relates to the field of 3D printing technology, and more particularly to a heat dissipation device, a print head, and a 3D printer. The heat dissipation device is applied to a circuit merging mechanism, which also includes a throat. The heat dissipation device is connected to the throat. The heat dissipation device has multiple feed channels, and the throat has an discharge channel; alternatively, both the heat dissipation device and the throat have discharge channels, and the feed channels communicate with the discharge channels. The print head includes the aforementioned heat dissipation device; the 3D printer includes the aforementioned heat dissipation device and print head. The technical solution of this application enables multi-color printing without cutting the filament.

The invention relates to the technical field of electronic tag printing, and particularly discloses an ink-jet printer for an electronic tag antenna and a control system, and the ink-jet printer comprises an analysis module which analyzes a curve obtained by a data processing module to obtain a first reference quantity of a base material and generates a first control scheme for controlling the position of a tensioning wheel according to the first reference quantity; and analyzing the first reference quantity and the starting and stopping times of the second deviation rectifying mechanism to obtain a second reference quantity, and generating a second control scheme for increasing the rotating speed of the output shaft and the rotating speed of the recovery shaft according to the second reference quantity. Air can be output from an outlet of the air outlet, then air flow forms air flow circulation in the machine body, the circulating air flow acts on the base material, the base material can shake greatly in the non-tightened state and is kept calm in the tightened state, and by adjusting the position of the tensioning wheel, the base material can be tensioned, and therefore the base material can be tensioned. And the shaking amplitude of the base material in the operation process can be reduced until the base material is in a tightened state.

The utility model belongs to 3D printing technical field discloses a kind of multicolor 3D printing nozzle and 3D printer, the 3D printing nozzle includes;Support, is equipped with extrusion assembly on support, and extrusion assembly includes at least two feed ports, at least two feeding channels, a discharge port and consumable mixing channel, each feed port is connected with one feeding channel, and consumable mixing channel is connected with discharge port;Drive assembly, drive assembly is set on support, and drive assembly includes drive part and feeding part, and drive part and feeding part form transmission cooperation, to carry out conveying to consumable in consumable mixing channel;And nozzle, nozzle is connected with the discharge port of extrusion assembly, and nozzle is used to carry out full-color printing or gradual printing after consumable in consumable mixing channel is fused with color mixing.The utility model effectively improves the printing speed of 3D printer, and realizes wasteless printing.

This invention discloses a digital light-processing 3D printing photocurable resin composition, its printing method, and its applications. The digital light-processing 3D printing photocurable resin composition includes a crosslinking agent, a monomer, a chain transfer agent, and a photoacid. By introducing a thioacetal compound as a chain transfer agent, this invention constructs a photoinitiated cationic degenerate chain transfer polymerization system under the action of a photoacid catalyst, achieving active / controllable regulation of the polymerization process. The photocurable resin composition provided by this invention has a simple composition, requires no complex synthetic reagents, and can fundamentally eliminate oxygen inhibition, achieving rapid and high-precision 3D printing with a maximum printing resolution of 57 μm.