16 results about "Relief printing" patented technology

The embodiment of the invention relates to the technical field of printing equipment, in particular to embossment printing photocuring printing equipment which comprises a first gloss oil spray head, a second gloss oil spray head, a white ink spray head, a color ink spray head, a first curing device, a second curing device and a controller. The controller is used for spraying gloss oil based on a first part of spray holes in the first gloss oil spray head, controlling the first curing device to irradiate, and then spraying the gloss oil based on a second part of spray holes in the first gloss oil spray head and the second gloss oil spray head to obtain a high-stacking-degree reference printing layer; spraying white ink based on a white ink nozzle, and controlling a second curing device to irradiate to obtain a white bottom layer; and spraying color ink based on the color ink nozzle, and controlling the second curing device to irradiate to obtain a color embossment picture. According to the embodiment of the invention, the gloss oil nozzles are additionally arranged to construct the reference printing layer, and the white bottom layer is matched, so that the layout number of the white ink nozzles can be reduced, the printing efficiency is guaranteed, the equipment cost is reduced, and low-cost and high-efficiency collaborative optimization is realized.

The utility model discloses a dispensing device, which relates to the technical field of coating and comprises a frame provided with a first base. The material box is used for storing the coating; a plurality of grooves are evenly distributed in the outer wall of the gravure roller, and the gravure roller is arranged on the left side of the material box and corresponds to the material box; the relief printing roller can be rotationally connected to the first base, and a plurality of convex points are evenly distributed on the outer wall of the relief printing roller; the back roller can be rotationally connected to the rack, and a gap between the back roller and the relief printing roller is used for allowing a film to penetrate through; the first base is configured to be adjustable in position in the left-right direction, so that the size of a gap between the relief printing roller and the back roller is adjustable, and the size of the dot-shaped coating on the film is adjustable. According to the dispensing device, the size of the dotted coating can be adjusted according to film products of different specifications, so that the coating flexibility of the dispensing device is improved.

This application provides an embossing printing apparatus, belonging to the field of paper printing technology, including a worktable, a rotary disk, and multiple printing components. The worktable is horizontally mounted; the rotary disk is connected to it via an intermittent rotation mechanism, and has a set of circumferentially spaced mounting slots for embedding paper; multiple printing components are arranged around the rotary disk on the worktable at intervals. Driven by the intermittent rotation mechanism, the rotary disk rotates stepwise, aligning each mounting slot sequentially with a different printing component, realizing multi-station continuous printing processing. This application, through the intermittent rotation of the rotary disk and the cooperation of the surrounding printing components, can complete multiple embossing printing processes after a single paper loading, effectively improving processing efficiency, reducing manual intervention, and its modular structure design facilitates maintenance and expansion, making it suitable for mass embossing printing production needs.

To provide an adhesive tape for protecting photomasks used in resin relief printing, which prevents air bubbles from forming when applied to the photomask even when it is a thin film, and facilitates repair work in the event of foreign matter contamination. [Solution] A photomask protective adhesive tape comprising a transparent base film with an adhesive layer on one side and a release layer on the other side, wherein the adhesive layer is a cured product of an adhesive layer composition containing (A) an acrylic acid ester polymer, (B) a crosslinking agent, and (C) an oil having trimethylolpropane fatty acid triester, and the solid content of the adhesive layer contains 0.1 to 5% by weight of component (C).

To provide a photosensitive resin printing plate precursor which can suppress peeling of a photosensitive resin layer.SOLUTION: A photosensitive resin printing plate precursor has at least a support and a photosensitive resin layer, wherein the photosensitive resin layer contains at least a polymer (A) having an ethylenic double bond, a compound (B) having an ethylenic double bond, and a photopolymerization initiator (C), the photosensitive resin layer has at least a first photosensitive resin layer including a printed surface and a second photosensitive resin layer including a photosensitive resin layer therein, and an ethylenic double bond equivalent F1 (g / eq) of the component (A) in the first photosensitive resin layer is larger than an ethylenic double bond equivalent F1 (g / eq) of the component (A) in the second photosensitive resin layer.SELECTED DRAWING: None

To provide a photosensitive resin printing plate precursor which can suppress peeling of a photosensitive resin layer.SOLUTION: A photosensitive resin printing plate precursor has at least a support and a photosensitive resin layer, wherein the photosensitive resin layer contains at least a polymer (A) having an ethylenic double bond, a compound (B) having an ethylenic double bond, and a photopolymerization initiator (C), the photosensitive resin layer has at least a first photosensitive resin layer including a printed surface and a second photosensitive resin layer including a photosensitive resin layer therein, and an ethylenic double bond equivalent F1 (g / eq) of the component (A) in the first photosensitive resin layer is larger than an ethylenic double bond equivalent F1 (g / eq) of the component (A) in the second photosensitive resin layer.SELECTED DRAWING: None

The invention relates to the technical field of relief printing, and discloses a relief printing device. A relief printing machine; the paper roll roller is used for storing paper rolls; the functional roller is used for guiding, flattening and destressing the paper; the two self-adaptive adjusters are symmetrically arranged in the relief printing machine, each self-adaptive adjuster comprises a sliding part and a bearing seat sliding on the sliding part all the time, and further comprises an energy storage winder for pulling the bearing seat and a damping adjusting part, the damping adjusting part is arranged on the side edge of the energy storage winder, and the damping adjusting part is arranged on the side edge of the energy storage winder. The damping adjusting part comprises a magnetic damping fork with an adjusting stroke, and the magnetic damping fork can adjust an action position relative to an aluminum disc rotating in the energy storage winder. Aiming at a unique intermittent feeding unwinding system of the relief printing machine, jumping possibly generated in the moving process of paper is restrained by arranging a displaceable self-adaptive stress roller.

This utility model discloses an integrated device for ceramic tableware relief printing and glaze bonding, including a base. A speed-regulating motor is fixedly installed inside the base, and a first gear is installed at the output end of the motor. A rotating disk is rotatably connected to the base, and a second gear is fixedly installed on the bottom surface of the rotating disk, meshing with the first gear. A support plate is detachably installed on the top surface of the rotating disk, and a glaze collection baffle is welded to the top surface of the rotating disk. This utility model employs an intermittent rotation structure of multiple support plates and a rotating disk, integrating the feeding, relief printing, glazing, and unloading processes onto the same equipment. When the blank on one support plate is being printed at the relief printing station, another support plate can be glazed at the glazing station. Simultaneously, the feeding and unloading stations can operate synchronously without stopping the machine. The processes are seamlessly connected, significantly shortening the production cycle and increasing the product output per unit time.

The invention discloses economical and environment-friendly wallpaper and a production method and application thereof. The production method comprises the following steps: S1, combined design of a relief printing plate gap embossing roller, a rotary screen printing plate wheel and a precision coating machine; s2, slurry adjustment is conducted, specifically, the slurry is PVC slurry with thixotropic performance or water-based ceramic chip crack uniformizing slurry, the color is adjusted, and chip scraping is conducted; s3, a scraper in a printing unit of the rotary screen printing coating machine is installed, and the embossing gap of a relief printing plate gap embossing roller is adjusted; s4, bottom layer slurry is injected for rotary screen printing, and a wet pattern material obtained after rotary screen printing is fed into a drying oven to be heated to be in a semi-gel state; s5, injecting surface layer slurry to perform surface layer coating printing, and performing surface treatment on the wet slurry after surface layer printing; s6, drying and plasticizing after wet relief printing plate gap embossing; and S7, recycling waste raw materials. According to the invention, the waste raw materials can be quickly recycled without storage, so that the inventory pressure is reduced, and meanwhile, the loss caused by improper storage can be avoided.

A method for preparing and printing on a substrate, such as a corrugated board, with the relief, comprising the steps of: providing a mask layer; obtaining a halftone raster image file having a first resolution R1, the halftone raster image file comprising imaging pixels and non-imaging pixels; wherein the first spacing P1 corresponds to the first resolution R1; the mask layer is imaged according to the halftone raster image file, so that the maximum size of an imaging spot is smaller than (square root of 2P1); preparing a relief printing plate by using the imaged mask layer; transferring the ink to a relief printing plate by using an anilox roller; and transferring the ink from the relief printing plate onto the substrate; wherein the first resolution ratio R1 is less than 2000 dpi; wherein the volume density of the anilox roller is greater than or equal to 5 cm < 3 > / m < 2 >.

The application discloses a relief printing device and belongs to the technical field of paper printing, which comprises a mounting frame, a printing roller rotatably mounted on the mounting frame, a roller ink roller arranged on one side of the printing roller, an abutting roller arranged on the other side of the printing roller, a ink transmission roller arranged between the roller ink roller and the printing roller, the ink transmission roller capable of abutting against the roller ink roller and the printing roller, a driving mechanism for driving the roller ink roller and the ink transmission roller to rotate mounted on the mounting frame, a jacking piece for jacking up the ink transmission roller mounted on the mounting frame, a jacking track for sliding cooperation with the ink transmission roller formed on the mounting frame, and a first accommodating groove for clamping cooperation with a rotating shaft of the ink transmission roller formed on an end of the jacking track close to the printing roller. The application has the effect of reducing environmental pollution caused by ink.

The utility model relates to the technical field of ultrasonic cleaning of materials, in particular to an ultrasonic cleaning device for relief printing plate materials, which comprises a shell, a cleaning frame, an ultrasonic generator, two water pipes, a water pump, a water tank, a mounting block and a filter element, the cleaning frame is connected with the two water pipes, and the ultrasonic generator is mounted in the shell. A water tank is clamped between the two water pipes, a water pump is arranged on one water pipe, a mounting block is clamped in the water tank, and a filter element is fixedly connected in the mounting block. The water pump is started, the water pump pumps water in the cleaning frame through the water pipe and pumps the water into the water tank, meanwhile, the pumped water is filtered through the filter element, and the filtered water returns to the cleaning frame from the other water pipe, so that a water circulation purification system is formed, the ultrasonic cleaning effect can be maintained, and it is avoided that when the water pump is taken out, the water pump is damaged. Part of the impurities are deposited on the material.

The invention discloses a dynamic embossment texture printing control method and device, a medium and a product, and relates to the field of digital printing. The method comprises the following steps: acquiring a target height map; performing regional self-adaptive dynamic layering on the target height map to generate layered printing data containing a plurality of embossment layers; generating a corresponding basic bitmap image for each relief layer, and performing edge transition processing on a boundary region in the basic bitmap image to generate a relief layer printing bitmap; after a preset number of first embossment layers are printed, a height detection sensor is driven to obtain actual height distribution of the first embossment layers; comparing the actual height distribution with a target relief height of a corresponding area in the target height map to obtain a height error map, and generating a compensation layer bitmap according to the height error map; and controlling printing equipment, and printing the second embossment layer according to the compensation layer bitmap and the residual embossment layer printing bitmap corresponding to the second embossment layer. By implementing the technical scheme provided by the invention, the relief printing precision is improved.

This invention discloses an innovative process for producing an environmentally friendly and biodegradable 3D sheet material based on coconut coir fiber, utilizing high-frequency dielectric heating and high-pressure forming. This process involves heating the coconut coir fiber in a temperature range of 140°C to 180°C using radio waves to activate the natural lignin, which is then combined with a pressure of 140 kg / cm² to form a strong and flexible structure. The end result is a highly durable, reusable, and environmentally friendly material, and can be applied in a variety of products such as 3D insulating wall coverings, packaging materials, cooler boxes, and protection for fragile items.The main advantage of this invention is the use of natural lignin as a binder, eliminating the need for synthetic adhesives, and providing a more environmentally friendly solution by utilizing coconut fiber as the main raw material.

The present invention provides a photosensitive resin printing plate precursor for relief printing that can achieve both gradation print reproducibility of a highlight part and plate life, and that has a low plate-surface adhesiveness. A photosensitive resin printing plate precursor for relief printing, wherein the photosensitive resin printing plate precursor comprises a support, a photosensitive resin layer, and a cover film stacked in this order, wherein the photosensitive resin layer comprises a lower layer present on a support side and an upper layer present on a cover-film side, wherein the upper layer is a photosensitive resin layer that contains a water-soluble or water-dispersible resin (A) having a glass transition temperature measured by differential scanning calorimeter of 40 to 90°C, wherein the upper layer has a thickness of 3 to 30 micrometers, wherein the lower layer is a layer that contains a water-soluble or water-dispersible resin (B) having a glass transition temperature higher than the glass transition temperature of the water-soluble or water-dispersible resin (A) by 5°C or more, and wherein the glass transition temperature of the resin (B) measured by differential scanning calorimeter is 95 to 135°C.

A souvenir accessory according to an embodiment of the present invention comprises: a case (10) provided with an elastic material, having a receiving portion (12) formed inside, and a rugging (13) formed protruding from a wall in a vertical direction relative to an inner bottom surface (11); an insert unit (20) provided with a paper material, having a content shape (22) printed on a content plate (21), formed in intaglio or relief, or cut and formed, having a cutout (13a) formed at a position corresponding to the rugging (13) that combines with the rugging (13), and being received in the receiving portion (12); and a window (30) provided with a transparent material and assembled to the receiving portion (12) of the case (10) to prevent the insert unit (20) from detaching from the case (10) and to allow the insert unit (20) to be seen through from the outside.