979results about "Forme preparation" patented technology

A pattern which does not appear at a flat portion in normal binarization processing is set as a code pattern, and a code formed from this pattern is attached. At this time, code attachment with little degradation in image quality is implemented by selecting an unnoticeable pattern.

The invention provides top frame equipment applied to an etching process and a silk screen processing process, and relates to the technical field of silk screen processing. The invention discloses top frame equipment applied to an etching process. The top frame equipment comprises a rack, a mounting groove body, a jacking assembly, a moving mechanism, a gluing nozzle and a rolling assembly, the mounting groove body is connected with the rack and is used for mounting the stretching auxiliary screen printing plate; the jacking assembly is connected with the rack and used for installing a target screen frame, and the jacking assembly drives the target screen frame to abut against the screen cloth; the gluing nozzle is connected with the moving mechanism, and the moving mechanism drives the gluing nozzle to move, so that the gluing nozzle coats glue to the screen cloth along the outline of the target screen frame; the rolling assembly comprises a supporting shell and a compaction roller, the supporting shell is connected with the moving end of the moving mechanism, the compaction roller is rotationally connected with the supporting shell, and the moving mechanism drives the compaction roller to move, so that the compaction roller rolls glue on the screen cloth along the outline of the target screen frame. The screen cloth and the target screen frame can be bonded more compactly through glue.

The invention relates to the technical field of silk-screen printing, and discloses a mesh straightness optimizing device which comprises a supporting frame, first supporting plates are fixedly connected to the four corners of the inner side of the supporting frame, one ends of the multiple first supporting plates are fixedly connected with the same first inner frame, and a fixing frame is arranged on the upper side of the supporting frame; second supporting plates are fixedly connected to the four corners of the inner side of the fixing frame, one ends of the multiple second supporting plates are fixedly connected with the same second inner frame, multiple hollow plates are fixedly connected to the periphery of the top of the fixing frame at equal intervals, and rotating shafts are rotatably connected to the inner sides of the multiple hollow plates; and the outer sides of the multiple rotating shafts are fixedly connected with L-shaped plates. When a sliding block moves, an L-shaped plate is driven to rotate through a movable plate, so that a roller is driven to move downwards to press a single net wire, the tightness of the single net wire can be adjusted, and the net wire tension of each part on a net plate can be accurately controlled.

IR-sensitive lithographic printing plate precursors provide a stable print-out image using a unique IR radiation-sensitive composition in an infrared radiation-sensitive image-recording layer. This IR radiation-sensitive composition includes: (1) a free radical initiator composition that comprises an electron-donating agent; (2) a free radically polymerizable composition; and (3) a color-changing compound that is represented by the Structure (I) having a conjugated carbon chain between the aromatic terminal groups. The compound also has a —SO2—R3 group wherein R3 represents alkyl, aryl or heteroaryl groups. After IR imaging, these precursors exhibit desirable printout images both fresh and after dark storage. The precursors can be developed off-press or on-press.

The invention relates to the technical field of printing screens, in particular to a screen and a manufacturing method thereof, a solar cell and a production method thereof, and a photovoltaic module. The screen printing plate comprises a film body, graphical grid line printing holes are formed in the film body, the grid line printing holes comprise grid line main body printing holes and lap joint printing holes which are communicated, and the grid line main body printing holes are configured to be consistent with an auxiliary grid printing area or a main grid printing area in graph. The lap joint printing hole is configured to be consistent with the pattern of the lap joint printing area; in the thickness direction of the film body, one end of each grid line main body printing hole is exposed out of the first surface, and the other end of each grid line main body printing hole is positioned in the film body; the lap joint printing hole penetrates through the film body, and the two ends of the lap joint printing hole are exposed out of the first face and the second face respectively. When the screen printing plate is used for printing, not only can the slurry cost be reduced, but also higher printing quality can be achieved.

The invention relates to the technical field of screen printing plates, in particular to a printing screen printing plate, a manufacturing method, a solar cell and a photovoltaic module. The printing screen comprises a screen body and a reinforcing part. A printing groove extending in the first direction is formed in the screen printing plate body and penetrates through the thickness direction of the screen printing plate body. The reinforcing part is arranged at the position, provided with the printing groove, of the screen printing plate body, the reinforcing part is arranged corresponding to the part of the printing groove, at least part of the reinforcing part is hollowed out, and the hollowed-out position of the reinforcing part is communicated with the printing groove. The printing screen has the advantages of high printing quality and high structural strength, can print continuous current collection grid lines, facilitates current collection of the current collection grid lines, and can meet the process and test requirements of electrifying a solar cell.

The invention discloses a flexographic printing anti-counterfeiting high-activity dry yeast packaging composite film and a preparation method thereof, the composite film is a composite film with a three-layer structure, the outer part is a printing layer, the middle part is a barrier layer, the inner part is a heat sealing layer, ultraviolet light explicit and implicit ink is printed on the film, and the layers are compounded by adopting an adhesive. The printing layer is a double-corona biaxially oriented polypropylene or biaxially oriented polyethylene glycol terephthalate film base material, the middle barrier layer is an aluminum foil or aluminized polyethylene glycol terephthalate film, and the inner printing layer is an antistatic PE film; a double-component polyurethane solvent-free adhesive is adopted between the layers to form a composite film. The flexographic printing mode is adopted, the height line number needed by anti-fake printing is achieved, the randomly-arranged pattern sequence is adopted, the forgery possibility is greatly reduced, due to the addition of the anti-reflection master batch, the film has higher transparency, and the definition of anti-fake printing is improved.

Provided are a washout processor and a method for manufacturing a flexographic printing plate precursor, which have good productivity and work efficiency. A washout processor that develops a flexographic printing plate precursor after imagewise exposure using a developer includes a station for attaching the flexographic printing plate precursor, and a measurement unit that measures at least one of a size or a thickness of the flexographic printing plate precursor and a position of the flexographic printing plate precursor on the station.

The utility model discloses a solar cell panel silk-screen printing screen stretching structure which comprises a support, clamping arms and hydraulic cylinders, the clamping arms are distributed on the periphery of the support, the hydraulic cylinders are installed on the periphery of the support and connected with the clamping arms, a placing table is arranged on the inner side of the support, an outer frame is placed on the top face of the placing table, and the outer frame is connected with the clamping arms. A silk screen is placed on the top face of the outer frame, the placing table comprises a top plate, a fixed bottom plate, an air cylinder and a rolling assembly, and the top plate is arranged on the inner side of the support in a lifting mode; after the outer frame is placed at the top of the top plate, the top plate can be pushed through the air cylinder, so that the top plate and the outer frame on the top plate are lifted and moved, the height of the outer frame is adjusted, and the outer frame can be tightly attached to a tightened silk screen during subsequent screen tensioning, so that the outer frame and the tightened silk screen are more conveniently and accurately pasted in the subsequent process; and the fitting degree of the two parts is better.

The invention relates to the technical field of printing screens, in particular to a printing screen and a manufacturing method thereof. The printing screen comprises a screen body and a filiform structure. A printing groove is formed in the screen printing plate body and penetrates through the screen printing plate body in the thickness direction of the screen printing plate body, and the length direction of the printing groove is the first direction. The filamentous structure is arranged at the position of the printing groove on the screen printing plate main body; in the first direction, the filiform structure corresponds to a local area of the printing groove; the filiform structure extends along a second direction, and the second direction intersects with the first direction. According to the screen printing plate, the silk-shaped structure is locally arranged, so that the screen printing plate body has high structural strength and long service life, the rest area, not provided with the silk-shaped structure, of the printing groove has good slurry passing ability, and the printing appearance of grid lines is good.

The utility model relates to the field of precision nets, in particular to a net composed of micron-sized silk threads and a manufacturing method and application of the net. The screen comprises an area used for printing, the area is composed of micron-sized silk threads which are staggered in two directions, the diameter of the micron-sized silk threads is 0.1-50 microns, or the long diameter of the micron-sized silk threads is 5-80 microns, or the short diameter of the micron-sized silk threads is 2-30 microns; the silk threads are divided into transverse threads and longitudinal threads, all the transverse threads are located on the same layer, and all the longitudinal threads are located on the other layer different from the layer where the transverse threads are located. The transverse lines are arranged in parallel; the longitudinal lines are arranged in parallel; the transverse line and the longitudinal line are in contact at an angle of 0-90 degrees, and the transverse line and the longitudinal line are fixedly connected at each contact point of the transverse line and the longitudinal line; the silk threads are made of metal. The manufacturing process of the screen is simple, and the requirements of high-precision application scenes (such as silicon wafer silk-screen printing) can be met.

The invention relates to the technical field of screen production, in particular to a double-sided composite reinforced printing screen and a manufacturing method thereof. Weaving metal wires to obtain screen cloth, and fixing the screen cloth on a screen frame; coating the bottom surface of the screen cloth with a high polymer material to form a first high polymer material layer on the screen cloth; etching the first high polymer material layer in a laser etching mode to form an opening pattern; coating a PI composite material on the top surface of the screen cloth to obtain a PI layer; coating the front surface of the PI layer with a high polymer material to form a second high polymer material layer; the second high polymer material layer is etched in a laser etching mode, the double-sided composite reinforced printing screen is obtained, the first high polymer material layer and the second high polymer material layer are additionally arranged, screen point position abrasion caused by the downward pressing pressure and the depth of a scraper is avoided, and the printing service life is prolonged.

The invention discloses a junction-free metal net film which at least comprises a first metal layer, a plurality of first grid line areas are arranged on the first metal layer, the first metal layer is composed of at least 50% of nickel, and the content of the nickel is not larger than 97%. Wherein the first metal layer at least contains other metal materials, and the total content of the metal materials is not more than 50% and not less than 3%. According to the metal net film, at least one metal layer provided with the grid line area is made of nickel and other metal, the content of other metal is not smaller than 3%, one or two or more kinds of metal can be mixed in nickel, and therefore it can be guaranteed that the prepared metal net film has enough toughness and net stretching strength; and the service life of the metal net film can be effectively prolonged.

The invention relates to the technical field of screen printing plates, in particular to a printing screen printing plate, a manufacturing method and a solar cell. The screen printing plate comprises a screen printing plate layer, the screen printing plate layer is provided with a printing groove extending in the first direction, the printing groove penetrates through the screen printing plate layer in the thickness direction of the screen printing plate layer, the printing groove comprises a plurality of first groove sections and second groove sections which are alternately connected in the first direction, and the maximum width of the first groove sections in the second direction is larger than that of the second groove sections in the second direction; the minimum width of the first groove section in the second direction is larger than or equal to the maximum width of the second groove section in the second direction, and every two of the first direction, the second direction and the thickness direction of the screen printing plate layer are perpendicular to each other; the groove depth size of the first groove section in the thickness direction of the screen printing plate layer is smaller than the groove depth size of the second groove section in the thickness direction of the screen printing plate layer. The grid line printed by the printing screen not only integrates the welding performance of the assembly and the low resistance performance of the grid line, but also can reduce the cost.

The invention belongs to the technical field of full-opening printing plates, and particularly relates to a high-strength full-opening metal printing plate and a processing technology thereof.The high-strength full-opening metal printing plate comprises a plate body, the plate body is integrally made of alloy materials such as nickel, chromium and iron, a printing groove is formed in the end face of the plate body, and a plurality of full-opening printing grid holes are formed in the end face of the printing groove; a guide arc edge which bends and diffuses outwards is formed on the edge face, facing the printing groove, of the printing grid hole, and the area, expanded outwards by 400-550 micrometers, of the guide arc edge is gradually heightened, and a convergent horn mouth shape is formed. Through the special opening design and process, higher opening precision is achieved, the size, shape and position of the opening can meet the requirement of complex design, meanwhile, the stress concentration problem is effectively solved, the overall structural strength of the steel plate is enhanced, and the manufacturing cost is reduced. And in the printing process, it can be guaranteed that the printed grid lines have good flatness and uniformity, the situations of gourd joints and the like are effectively reduced, and the forming quality of the grid lines is improved.

The invention relates to the technical field of printing screens, in particular to a printing screen with a screen steel wire shaping structure and a manufacturing method thereof, and the printing screen with the screen steel wire shaping structure comprises a screen frame, metal screen cloth, a UV film layer, a primer layer and a high polymer material layer; the metal screen cloth is stretched by preset tension and fixed on the inner side of the screen frame; coating the surface of the metal screen cloth with a UV film layer, and adhering a high polymer material to the surface of the UV film layer through primer to form a primer layer and a high polymer material layer; etching the high polymer material layer in a laser etching mode to form a plurality of opening patterns, wherein the metal screen cloth is exposed out of the opening patterns; the UV film layer and the high polymer material layer are arranged on the metal screen cloth, so that deformation of the metal screen cloth caused by tension change or mechanical vibration of warps and wefts of the metal screen cloth can be prevented, and the accuracy of the size of a printed pattern is improved.

Provided is an on-press development type lithographic printing plate precursor having two or more maximal absorption wavelengths in a wavelength range of 760 nm to 900 nm, in which in a case where the on-press development type lithographic printing plate precursor is subjected to exposure to infrared having a wavelength of 830 nm at an energy density of 110 mJ / cm2, in a portion subjected to the exposure, a brightness change ΔL before the exposure and after storage subsequent to the exposure for 24 hours under conditions of 25°C and 70% RH is 3.0 or more. Also provided are a method of preparing a lithographic printing plate and a lithographic printing method in which the on-press development type lithographic printing plate precursor is used.

A system for moving a flexible plate, in particular a printing plate or a printing plate precursor, over a support surface in the direction of a treatment station, such as a washer station. The system includes a support configured for supporting the plate on a support surface thereof, and intended to be located upstream of the treatment station. A movement means includes a plate engagement means configured to contact the plate in such a way that the plate is engaged by adhesion or by friction or a combination thereof, in a movement mode, and that the plate can be slid over the support surface by controlling the movement means in the movement mode. A control means is configured to control the movement means such that the plate is slid over the support in the direction of the treatment station.

System for moving a flexible sheet (P), in particular a printing sheet or a printing sheet precursor, on a support surface in the direction of a treatment station (S2), such as a washing station, said system comprising: a support body (100) configured to support a sheet on its support surface and intended to be located upstream of said treatment station; a moving device (200) comprising sheet engagement means (250) configured to come into contact with a sheet in such a way as to engage with said sheet by adhesion or friction or a combination thereof in a moving mode and in which, by controlling said moving device (200), said sheet can slide on said support surface; a control device configured to control said moving device so as to cause said sheet to slide on said support body in the direction of said treatment station.

The invention relates to a method for producing a flexographic printing form from a digitally imageable, photopolymerizable flexographic printing element comprising, arranged one above the other in the aforementioned order, at least one dimensionally stable carrier (A), at least one photopolymerizable, relief-forming layer (B), a UVA-light transparent, oxygen-blocking barrier layer (C), a laser-ablatable mask layer (D), and a peelable cover film (E), wherein the method comprises at least the steps (i) peeling off the cover film (E), (ii) inscribing a mask into the laser-ablatable mask layer (D) using an IR laser, (iii) exposing the imaged flexographic printing element with UVA light through the formed mask, (iv) removing the residues of the laser-ablatable mask layer (D), the barrier layer (C), and the unpolymerized portions of the relief-forming layer (B).and (v) optionally includes post-exposure of the dried flexographic printing plate with UVA and / or UVC light, wherein layers (B), (C) and (D) are soluble or dispersible in an organic solvent, and the barrier layer (C) contains at least an oxygen-blocking binder and an oligomeric or polymeric basic adhesive component, and that at least partial removal according to step (iv) is carried out by heating and removing the unexposed areas using a developing material.

There is provided an on-press development type lithographic printing plate precursor including a support, and an image-recording layer provided on the support, in which the image-recording layer contains (1) or (2).(1) a borate compound represented by Formula (1) and an electron-accepting polymerization initiator(2) a borate compound represented by Formula (1a)in Formula (1) and Formula (1a), R1, R2, R3, and R4 each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group, or a substituted or unsubstituted alkynyl group, and R1, R2, R3, and R4 may each independently have a ring structure. Provided that at least one of R1, R2, R3, or R4 is different from the other. M+ represents a cation. Ma+ represents an iodonium cation.

The utility model provides a monofilament diaphragm composite screen cloth structure. The monofilament diaphragm composite screen cloth structure comprises a first-material screen cloth and a second-material screen cloth, the second material monofilament membrane comprises a plurality of yarns and a polymeric membrane layer, the yarns are arranged in the polymeric membrane layer, the polymeric membrane layer comprises a plurality of holes, and the yarns extend in the same direction and are parallel to one another; the screen cloth made of the first material and the monofilament diaphragm made of the second material are arranged among the combined film layers; wherein the first-material screen cloth and the second-material monofilament membrane are partially overlapped, the holes are formed in the position, overlapped with the first-material screen cloth, of the second-material monofilament membrane, and the combining membrane layers combine and clamp the position, overlapped with the first-material screen cloth, of the second-material monofilament membrane. And the combined film layers penetrate through the holes and are fixedly combined with one another. The monofilament membrane composite screen cloth structure can be suitable for screen cloth which does not comprise warp and weft yarn cross weaving holes.

The invention discloses a high-precision size control nickel plate electroforming method and equipment, and relates to the field of plate making in the printing and packaging anti-counterfeiting industry, and the nickel plate electroforming method comprises the following steps: step 1, base plate pretreatment, step 2, pattern positioning and step 3, electroforming operation; in order to solve the problem that the nickel plate is easy to twist or pattern deviation in the same direction in the prior art, the nickel plate electroforming size precision is remarkably improved by changing the main and auxiliary grooves into left and right positions, optimizing the groove liquid circulation mode, enhancing the conductivity, specifically adjusting the pattern position and other technical means, the problems of plate twisting and pattern deviation are effectively solved, and the nickel plate electroforming quality is improved. And the method is particularly suitable for the fields of cigarette packet manufacturing and the like with extremely high positioning precision requirements.

The invention discloses a method for prolonging the service life of a grid line plate, which is characterized in that two layers of films are arranged in interval areas of adjacent grid lines, so that the whole grid line plate is not easy to generate broken holes, and the long-term stable and reliable use of the grid line plate is ensured. The method comprises the following steps: pre-sticking an inner layer film on a scraper surface, corresponding to a scraper, of a grid line plate, then cutting out an area, corresponding to a grid line, of the inner layer film through laser, then removing the inner layer film corresponding to the position of the grid line, and then sticking an outer layer film to the outer surface of the inner layer film according to a preset position.

A plate making system comprises a writing device, an exposure device, a developing device, a first transfer device and a second transfer device in an integrated manner. The plate making system also comprises a control device that controls a series of plate making processes for a flexographic printing original plate performed by the writing device, the exposure device and the developing device.

The utility model relates to the technical field of plate-making machines, and discloses an efficient plate feeding mechanism of a plate-making machine, which comprises a machine main body, the front side of the machine main body is fixedly connected with a transverse plate, the bottom of the transverse plate is connected with a lifting assembly, the lifting assembly penetrates through the transverse plate and is connected with a placing plate, and a telescopic assembly is arranged in the placing plate. Two clamping plates are connected to the two ends of the telescopic assembly, supporting rods are fixedly connected to the two sides of the machine body, and a plate conveying assembly is connected between the two supporting rods and located above the containing plate. According to the efficient plate feeding mechanism of the plate making machine, a bottom plate placed on the placing plate can be lifted upwards through the lifting assembly to be flush with a feeding port of the machine body, meanwhile, the plate feeding assembly can automatically feed the bottom plate on the top into the machine body, automatic and efficient plate feeding operation is completed, the problem of inclination possibly caused by manual plate feeding is solved, and the working efficiency is improved. The plate-making quality of the bottom plate entering the plate-making machine is improved.

A method for designing a printing plate to be mounted on a printing cylinder. By applying an energy minimization function, an optimal lateral seam path is defined between opposite lateral edges of the plate. The top and bottom edges of the plate are defined based on the optimal lateral seam path, preferably with a variable gap therebetween, and the bottom edge unfolds from the top edge to define a closed cutting path. The area within the closed cutting path is wrapped with the original image or a portion thereof, and an updated digital graphic file is stored. The energy minimization function may include a penalty function with weighting factors, a total seam path length, and a seam path amplitude. For an original image including staggered channels of a stepped and repeated single design image, the optimal lateral seam path may extend across the single design image, the steps between adjacent single design images, or a combination thereof on each channel.

The invention discloses a metal-based magnetic light drum and a processing method thereof.The light drum comprises a cylindrical light drum body and an end supporting component coaxially assembled at the end of the light drum body, and a plurality of annular air grooves are distributed in the outer cylindrical surface of the light drum body at intervals in the axial direction; the annular air grooves divide the outer cylindrical surface of the drum body into a plurality of independent annular areas, and air holes penetrating through the inner side and the outer side of the drum body in the thickness direction of the drum body are distributed in each annular air groove; a cavity is machined in the outer cylindrical surface of each annular area, a magnetic attraction structure is embedded in each cavity, and the outer surface of each magnetic attraction structure and the outer cylindrical surface of the drum body form a smooth and continuous cylindrical curved surface. The method has the beneficial effects that the metal base plate is directly adsorbed on the surface of the light drum in a magnetic attraction mode, fitting is complete, the magnetic flux is uniform, bubbles or folds are avoided, the scraping risk and imaging defects of a traditional protruding structure on the surface of the plate are eliminated, the definition and consistency of printed patterns are improved, and the printing quality is improved.

This disclosure relates to a coating apparatus for applying a single layer of particles to a receiving surface. The apparatus includes a pressurized air source; a dressing chamber partially defined by the receiving surface, into which an airflow is supplied from the air source; an air return path for returning air from the dressing chamber to an air inlet of the air source to form an air circulation loop; and a metering device for introducing particles to be coated onto the receiving surface into the air circulation loop, wherein a particle deflector is positioned in the airflow path to break up agglomerated particles carried by the airflow before coating the receiving surface with the particles. A method for applying a particle layer is also provided, as well as a printing system that benefits from this coating apparatus.

The invention pertains to a photosensitive element, particularly a photopolymerizable printing form precursor; and, a process of making the photosensitive element. The printing form precursor includes a cover sheet, a layer of a photosensitive composition, and a digital layer, or infrared ablation layer, that is adjacent to a side of the photosensitive layer. A microcell patterned is embossed onto the infrared ablation layer or an overcoat / barrier layer on the infrared ablation layer. Since the microcell pattern layer is integral with the printing form precursor, digital imaging can occur rapidly with relatively low resolution optics to form a mask without needing to also form a microcell pattern of the digital layer. The printing form precursor having the integrated microcell pattern layer facilitates the preparation of relief printing forms to have a print surface suitable for printing solids with uniform, dense coverage of ink.