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129results about How to "Meet printing needs" patented technology

Full-color layered slicing algorithm based on three-dimensional model of texture mapping

The invention relates to a full-color layered slicing algorithm based on a three-dimensional model of texture mapping. The full-color layered slicing algorithm based on the three-dimensional model oftexture mapping includes the steps that a three-dimensional model file of texture mapping is analyzed, a triangular mesh adjacent topological relation based on color information is established, and fast query of triangular mesh adjacent information of the color information is realized; the fast intersection operation of color information triangular meshes and a tangent plane is realized, positioncoordinates and texture coordinates of all vertexes in each layer are obtained, the vertexes are connected in sequence to form a full-color two-dimensional contour, and the full-color two-dimensionalcontour is filled; and a full-color bitmap is generated, the position of the full-color contour in the bitmap is precisely located according to the position of a colourless model in a printing platform, the thickness of the contour is increased appropriately, and the function of layer-upon-layer printing and layer-upon-layer coloring is achieved. The full-color layered slicing algorithm based on the three-dimensional model of texture mapping has high slicing efficiency, the surface colors of the model are realistic, the reduction degree is high, the aftertreatment process of coloring the modelis omitted, the requirement for proficiency of operators is greatly reduced, the forming quality of parts is improved, and a real sense of color three-dimensional printing is realized.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Two-sided printer adopting vertical printing manner

The invention discloses a two-sided printer adopting a vertical printing manner. The two-sided printer comprises a support. A cloth feeding mechanism, a printing mechanism and a cloth collecting mechanism are arranged on the support. The printing mechanism comprises a first printing assembly and a second printing assembly. The first printing assembly is used for conducting printing on the first face of fabric and comprises a first spray nozzle and a first spray nozzle movement servo system, wherein the first spray nozzle is used for discharging ink, and the first spray nozzle movement servo system controls the first spray nozzle to move. The second printing assembly is used for conducting printing on the second face of the fabric and comprises a second spray nozzle and a second spray nozzle movement servo system, the second spray nozzle is used for discharging ink, and the second spray nozzle movement servo system controls the second spray nozzle to move. By means of the two-sided printer with the ink outlet direction of the first spray nozzle and the ink outlet direction of the second spray nozzle located on the same horizontal plane, the existing printing manner is changed, two-sided synchronous same-position printing or two-sided synchronous different-position printing can be achieved, overlapping of patterns on two sides can be achieved particularly when textiles or silk products are printed, and printing requirements can also be met when the two-sided printer is applied to printing of various other types of fabric.
Owner:朱辛伟

Intelligent ink supply control system for metal sheet printing and method thereof

The invention discloses an intelligent ink supply control system for metal sheet printing and a method thereof. The intelligent ink supply control system comprises a service expansion interface, an integrated controller, a control function module and a foundation database which are connected in sequence, wherein the service expansion interface has the function of completing communication with data of an external user and data of a local user and comprises a generic technology interface, a remote monitoring interface and a user interface; the integrated controller has the functions of completing driving control over 32 ink keys, driving control over a motor through a single chip microcomputer and real-time control over ink key opening degree; the control function module completes intelligent preset of the ink quantity, detection and monitoring of the thickness of an ink layer, fault diagnosis, maintenance and remote diagnosis which are achieved through an industrial PC; the foundation database has the functions of completing storing, invoking and editing of process parameters and printing standard patterns, and the functions are achieved by using a data server through a database programming language. According to the intelligent ink supply control system for metal sheet printing and the method thereof, the intelligent ink supply control system which is high in quality, low in consumption and fully automatic and intelligent in operation is provided for metal sheet printing equipment.
Owner:NANJING UNIV OF SCI & TECH

Ink-jet printing trolley and ink-jet printing device

The invention discloses an ink-jet printing trolley and an ink-jet printing device. The ink-jet printing trolley comprises a trolley support assembly, an ink-jet printing module, a curing module, a spray head control module and an ink supply device. The trolley support assembly is slidably arranged on an equipment cross beam for bearing the ink-jet printing module, the curing module, the spray head control module and the ink supply device. The ink-jet printing module is sued for printing images and texts on a printing medium. The curing module is used for curing the printed images and texts. The spray head control module is used for controlling the ink-jet printing module to print. The ink supply device is used for supplying ink to the ink-jet printing module. Relatively more spray heads can be loaded conveniently and rapidly, so that a relatively wider circuit board can be covered by single scanning of the trolley. The quantity of the arranged spray heads can be changed according to actual demand, and the printing demands on different width circuit boards can be met. The ink-jet printing trolley is balanced in structural stress and stable to operate, and can guarantee printing with high efficiency and high quality. The modules are conveniently detached and maintained at ordinary time.
Owner:선전진신테크놀로지컴퍼니리미티드

Integrated biological 3D printer printing cavity body environment control system and control method

The invention provides an integrated biological 3D printer printing cavity body environment control system and a control method. The system comprises a control module, a ventilating module, a high-efficiency filtering module, a condensing and dehumidifying module, a heating and humidifying module and an air distributing module, wherein the ventilating module, the high-efficiency filtering module,the condensing and dehumidifying module, the heating and humidifying module and the air distributing module are sequentially connected; the air distributing module is arranged at the top of a biological 3D printer printing cavity body, the ventilating module is communicated with the inside of the printing cavity body and the outside of a biological 3D printer, and the ventilating module, the high-efficiency filtering module, the condensing and dehumidifying module, the heating and humidifying module and the air distributing module are all connected with the control module. The system disclosedby the invention can achieve integrated control on temperature, humidity, aseptic environment, air speed, air volume and wind direction in the biological 3D printer printing cavity body; furthermore,the environment in the printing cavity body is kept in a stable state, and a high-accuracy biological 3D printing requirement can be met.
Owner:MEDPRIN REGENERATIVE MEDICAL TECH

T-shirt printing system adopting rotary bracket and cantilever beam spray printing device and T-shirt printing method

InactiveCN105774213AConvenient digital printingEasy maintenanceScreen printersTypewritersEngineeringCantilever
The invention relates to a T-shirt printing system adopting a rotary bracket and a cantilever beam spray printing device and a T-shirt printing method. At present, the T-shirt printing system adopting the rotary bracket and the cantilever beam spray printing device and the T-shirt printing method by which the T-shirt printing efficiency and the T-shirt printing quality can be greatly improved have not been invented. The T-shirt printing system comprises the rotary bracket; and a plurality of T-shirt supporting plates which can rotate along with the rotary bracket are arranged on the rotary bracket. The T-shirt printing system is characterized by further comprising the cantilever beam spray printing device; the cantilever beam spray printing device comprises a spray printing device rack, a printing mechanism and a cantilever beam; and one end of the cantilever beam is arranged on the spray printing device rack through a group of cantilever beam guide rail components, and an outrigger structure is formed at the other end of the cantilever beam and is directly erected at one side, facing the T-shirt supporting plates, of the spray printing device rack, so that actual printing areas of the T-shirt supporting plates are positioned in a printing area of the cantilever beam spray printing device. According to the T-shirt printing system and the T-shirt printing method disclosed by the invention, the T-shirt printing efficiency and the T-shirt printing quality can be greatly improved.
Owner:HANGZHOU HONGHUA DIGITAL TECH

Cigarette logo permeable printing packaging film for replacing cigarette paper carton and preparation method of packaging film

The invention discloses a cigarette logo permeable printing packaging film for replacing a cigarette paper carton and a preparation method of the packaging film. The packaging film comprises an outer layer, an inner layer and a core layer between the inner layer and the outer layer, wherein the core layer consists of polypropylene homopolymer, hydrocarbon resin and master batch; both the outer layer and the inner layer are made from low-temperature heat-seal films, and each low-temperature heat-seal film consists of master batch and a copolymer. The film disclosed by the invention is prepared by adopting a multi-layer coextrusion two-way stretching method, and the heat-seal temperature of the packaging film is 60-95 DEG C; when the cigarette carton is packaged through the packaging film, the inner layer is free from heat seal with a small box packaging outer layer, and simultaneously has a printable function. By using the packaging film disclosed by the invention, exiting cigarette paper carton packaging can be completely replaced, the adhesive consumption amount and the paper consumption are reduced in cigarette packaging, the packaging cost of a cigarette factory is reduced, and simultaneously purposes of energy conservation and environmental protection can be achieved.
Owner:YUNNAN KUNLENE FILM IND

Coating newsprint and making method thereof

The invention provides coating newsprint and a making method thereof. The newsprint has the following specifications: the fixed weight is 45-49g/m<2>, whiteness is 59-63%, transverse tear index is larger than 5.5m N.m<2>/g, opaqueness is larger than 95%, surface strength is larger than 1.0m/s, average smoothness of the front side and the back side is larger than 60S, the smoothness difference of the front side and the back side is less than 20%, and the longitudinal breakage length is larger than 1500m. The making method of the coating newsprint comprises the following steps of: preparing 100% regenerated fiber deinked pulp completely made from No.8 waste paper and adding auxiliary materials including retention aid, dyes and cationic starch to obtain material pulp; distributing pulp by using a headbox, forming at a neat part, carrying out composite squeezing in a four-roller three-pressing region, primary drying, surface mineral pigment coating and finishing, post-drying, reeling by using reeling machine and external re-reeling. The making method is simple, the coat of coating newsprint per ton is reduced by 250-280 yuan; the surface whiteness of the product is greatly improved, the surface of the product is smooth and fine, the ink absorption rate of the product is moderate; the printability is improved; ink consumption during printing can be reduced 10-15wt%; the printed pictures have bright color and clear wire marks; and the made coating newsprint can meet printing requirements of common newspapers and periodicals and high-quality colored newspapers and periodicals.
Owner:WUHAN CHENMING HANYANG PAPER

Adjustable printing device

The present invention discloses an adjustable printing device. The adjustable printing device comprises a body, the body is internally provided with a control circuit board and an ink box storing ink,the lower end of the body is provided with a printing head electrically connected with the control circuit board, and an ink outlet is arranged at the ink box corresponding to the printing head. Roller modules are symmetrically arranged at two sides of the printing head of the body, the roller modules are installed on the body through a regulation mechanism and can regulate the installation height through the regulation mechanism to achieve regulation of a distance from the working surface of the printing head. The roller modules can regulate the distance extruded out of the printing workingend through the regulation mechanism and can return to the side of the body through regulation of the regulation mechanism so as to fit different surfaces to be printed and meet the printing demands of different printing articles, and when the surface to be printed is small and there is a shielding object around, the roller modules can be returned to and located at the side of the body so as to prevent the roller modules from butting against the shielding object, effectively improve the printing quality and widen the application range.
Owner:ZHONGSHAN SANZANG ELECTRONICS TECH

Vibrating piezoelectric spray head system

The invention discloses a vibrating piezoelectric spray head system. The vibrating piezoelectric spray head system comprises a liquid storage cavity. A liquid supply connector is arranged above the liquid storage cavity. A liquid outlet is formed in the bottom of the liquid storage cavity. A piezoelectric ceramic vibrating mechanism used for vibrating so as to spray fluid is arranged at the bottom of the liquid storage cavity. The piezoelectric ceramic vibrating mechanism comprises an annular piezoelectric ceramic vibrating piece and a metal piece, wherein the annular piezoelectric ceramic vibrating piece and the metal piece are bonded together, convex conical holes communicating with the liquid outlet are formed in the annular piezoelectric ceramic vibrating piece and the metal piece, and a vibrating signal of the piezoelectric ceramic vibrating mechanism is guided in through an electrode on one side of the annular piezoelectric ceramic vibrating piece and an electrode on one side of the metal piece. Compared with the prior art, the vibrating piezoelectric spray head system is large in vibrating amplitude, and the problems that an existing printer spray head is prone to being blocked due to the fact that the fluid viscosity is large and is scrapped when severely blocked can be effectively solved.
Owner:GUIZHOU UNIV

Cylinder diameter-adjustable lifting device

The invention discloses a cylinder diameter-adjustable lifting device. The cylinder diameter-adjustable lifting device comprises a lifting cabin outside cylinder, a forming cabin lifting mechanism, apowder feeding cabin lifting mechanism and a diameter-variable mechanism, wherein the forming cabin lifting mechanism comprises a forming cabin lifting motor, a forming cabin screw, a forming cabin guide pillar, a forming cabin lifting supporting plate and a forming cabin lifting base plate, the forming cabin lifting motor provides power for the forming cabin screw, and the forming cabin lifting motor is used for driving the forming cabin lifting supporting plate, the forming cabin guide pillar and the forming cabin lifting base plate to ascend; the powder supply cabin lifting mechanism comprises a powder supply lifting motor, a powder supply cabin screw, a powder supply lifting supporting plate and a powder supply base plate, the powder supply cabin lifting motor provides power for the powder supply cabin screw and is used for pushing the powder supply lifting supporting plate and the powder supply cabin guide pillar to ascend, and then the powder supply base plate is driven to ascend. The diameter-variable mechanism is used for narrowing a printing width, the cylinder diameter-adjustable lifting device is reasonable in structural design, can meet the requirements of research anddevelopment, production and manufacturing can be further considered, and the cylinder diameter-adjustable lifting device is suitable for massive popularization.
Owner:西安朗悦智能科技有限公司 +2

Digital printing system and digital printing method

The invention relates to the technical field of digital ink jet printing, and provides a digital printing system and a digital printing method. The system comprises an industrial personal computer, a data distribution board, a plurality of ink gun driving boards and ink guns. The industrial personal computer is provided with a PCIE (peripheral component interface express) board card, is used for performing typesetting and resolution setting on object data of printing products, performing rasterization and generating and outputting printing data files. The data distribution board is provided with a plurality of data transmission interfaces and transmits the data printing files to the corresponding ink gun driving boards through data transmission lines. The ink gun driving boards drive the corresponding ink guns to print. The data transmission interfaces arranged on the data distribution board can be connected with the ink gun driving boards through the data transmission lines, and a printer is subjected to ink gun module extension so as to meet multi-resolution printing requirements. The object data of different-resolution printing products can be acquired on one printer, equipment utilization rate of the printer is increased effectively, and time and resources are saved.
Owner:潍坊东航印刷科技股份有限公司

3D printing feeding and powder spreading device

The invention discloses a 3D printing feeding and powder spreading device. The 3D printing feeding and powder spreading device comprises a printer body. A powder spreading plate is mounted at the front end of the printer body. A stepping motor is mounted at the rear end of the printer body. The stepping motor is in threaded connection with a sliding block through a lead screw. The sliding block isclamped to the side edge of a lead screw box and a sliding groove through a first clamping groove and a second clamping groove correspondingly. A powder spreading roll is welded to the sliding blockthrough a second connecting plate. An electric cylinder is mounted on the powder spreading roll. The output end of the electric cylinder is connected with a silica gel scraping plate. Two limiting plates are welded to the rear end of the printer body through a first connecting plate. The 3D printing feeding and powder spreading device can protect the powder spreading roll in motion against damagecaused by collision. Moreover, a spring and a rubber plate can achieve the buffering function, and the silica gel scraping plate can be adjusted to rise and drop through the electric cylinder. The 3Dprinting feeding and powder spreading device is suitable for spreading different thicknesses of powder. The sliding block is provided with the multiple clamping grooves and clamped to the lead screw box and the sliding groove. Accordingly, torsion force of the powder spreading roll to the stepping motor is reduced.
Owner:ANHUI CHUNGU 3D PRINTING INTELLIGENT EQUIP IND TECH RES INST CO LTD
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