125results about How to "Improve printing quality" patented technology

The utility model relates to a secondary ink cartridge assembly for a printer, which comprises a secondary ink cartridge body, the secondary ink cartridge body comprises an ink cartridge body and an ink cartridge cover which are mutually sealed and covered, a high-pressure ink cavity, a low-pressure ink cavity and a normal-pressure ink cavity are arranged in the ink cartridge body, and the high-pressure ink cavity, the low-pressure ink cavity and the normal-pressure ink cavity are respectively provided with a liquid level sensor. The high-pressure ink cavity is sequentially communicated with the printing spray head, the low-pressure ink cavity, the normal-pressure ink cavity, the second ink pump, the bubble removing device and the first ink pump, so that ink flows out of the high-pressure ink cavity, sequentially flows through the printing spray head, the low-pressure ink cavity, the second ink pump, the normal-pressure ink cavity, the first ink pump and the bubble removing device and then flows back into the high-pressure ink cavity, and therefore a self-circulation ink path is formed. According to the secondary ink box, ink between the secondary ink box body and the printing spray head keeps continuous circulating flow, precipitation is avoided, the temperature of the ink entering the printing spray head is appropriate and constant, the bubble content is small, the pressure fluctuation is small, and therefore the printing quality is higher, and the printing effect is better.

This invention discloses a gravure printing ink composition and its preparation method. The ink, by weight, comprises: 15-35 parts chlorinated polypropylene, 10-20 parts EVA-40W, 4-8 parts rosin-modified resin, 0.3-0.8 parts polyketide resin, 0.1-0.3 parts chlorinated ether resin MP45, 0.3-0.8 parts silica, 0.05-0.15 parts antistatic agent, 0.2-0.5 parts dispersant, 0.1-0.3 parts modified aluminum silicate AM660, 8-12 parts benzidine yellow, 6-10 parts fast red BHXL-T, 3-5 parts permanent orange yellow No. 13, 3-7 parts calcium powder, and 30-50 parts mixed solvent. During preparation, each resin is pre-dissolved separately, then mixed with pigments, additives, etc., and ground to a fineness ≤15μm. The ink of this invention has bright colors, good light resistance, excellent adhesion, antistatic properties, and printability, and is particularly suitable for gravure printing on polyolefin films.

The utility model discloses an electromagnetic heating hot melting device, including the electromagnetic coil support, high frequency electromagnetic induction coil is wound on the electromagnetic coil support for producing high frequency alternating magnetic field under the action of high frequency pulse current, nozzle, the nozzle sets up in the magnetic field action area of high frequency electromagnetic induction coil for generating eddy current and spontaneous heating through electromagnetic induction. The utility model discloses adopts electromagnetic induction eddy current heating principle, and the heat is directly generated in the nozzle inside, and does not need traditional heat conduction process, realizes the rapid temperature rise of second level, and the printing preparation time is greatly shortened.

The invention discloses a circular ink supply intelligent control method and system based on a UV printer, and the method comprises the steps: S1, collecting a digital image file of a to-be-printed task, and obtaining the consumption prediction data of ink of each color through the analysis of pixel information; s2, based on the consumption prediction data, obtaining a flow demand through a Poiseuille law fluid dynamic conversion algorithm, and based on the flow demand, constructing an ink supply control regression model to carry out ink supply coupling feed-forward calculation to obtain a feed-forward control parameter set; s3, constructing a self-learning database for input comparison, and adjusting and optimizing the feedforward control parameter set based on unscented Kalman filtering according to the historical control effect deviation to generate a final control instruction; and S4, intelligent control over circulating ink supply is conducted on an execution mechanism of the circulating ink supply system based on the final control instruction, the color rendition degree and consistency of a printed picture are improved, and the operation cost is reduced while the ink supply quality is guaranteed.

This invention proposes a method and system for intelligent ink volume prediction and adaptive color correction in printing equipment. The method includes: acquiring image data of the page to be printed, performing region segmentation and neighborhood connectivity analysis to generate a structure-weighted effective ink density, and calculating a page-level ink volume prediction value in conjunction with a paper correction factor; mapping the ink volume prediction value and effective ink density to the printhead's basic jetting parameters and the scanning controller's structural constraint parameters; performing linear gain and nonlinear convergence processing on the original color channel values ​​based on the above parameters to generate corrected channel values; driving the printhead to print, and sampling the printed scanned tape using a linear optical acquisition unit; and performing residual compensation and convergence constraint correction on the execution values ​​of subsequent scanned tapes based on the difference between the measured values ​​and the target values. This invention can improve the consistency and accuracy of printed colors.

The utility model discloses a kind of quick solidification devices of ink-jet printer, comprising: printing table, mounting plate, installation component, guide component, driving assembly, printing component and heating component, installation component is installed on printing table, mounting plate, guide component and driving assembly are all installed on installation component, printing component and heating component are all installed on mounting plate, driving assembly connects guide component, guide component connects mounting plate, mounting plate is located on the first plane parallel with printing table, installation component is located on the second plane parallel with first plane, driving assembly can drive mounting plate to move on the first plane or between second plane and printing table any third plane parallel with first plane.The utility model can heat solidification to new ink jetting in time, avoid pattern blur or stain, significantly improve ink-jet printing quality.

Embodiments of the present application disclose a color matching method and device, electronic equipment, a storage medium and a program product. The color matching method comprises: when it is detected that toner of an image forming device cannot present a target color of an image, taking at least one visual characteristic as a numerical constraint condition of an optical color space, generating at least one alternative color of the image, and making the alternative color consistent with the target color in the visual characteristic; and determining a printing color matching of the image based on the alternative color selected by a user. The embodiments of the present application can improve the image printing quality.

The invention provides a spray head assembly correction method, electronic equipment and a computer storage medium. The nozzle assembly correction method is applied to the 3D printing equipment. The nozzle assembly correction method comprises the following steps: controlling an acquisition assembly to acquire a printing platform printed with a corrected object to obtain an initial grayscale image; establishing a rectangular plane coordinate system based on the initial grayscale image; image processing is carried out on the initial grayscale image to obtain a target grayscale image, and a first line segment in the target grayscale image is parallel to any coordinate axis of the rectangular plane coordinate system; acquiring a pixel characteristic curve matched with the target grayscale image, a first length of the first line segment and a second length of the second line segment; calculating nozzle correction parameters based on the pixel characteristic curve, the first length and the second length; the showerhead assembly is corrected using the showerhead correction parameter. According to the method and the device, the spray head assembly can be accurately corrected, and the problem of unqualified printing quality caused by deviation of the uncorrected spray head assembly during printing of the spray head assembly is avoided.

The application discloses a method for improving the pixel step problem of inkjet printing. After the alignment of the finished product, the system reads the printing image after rotation correction, and performs morphological close operation on the printing image. After the morphological close operation, the connected region of the printing image is extracted, the specific pattern to be printed is determined, the hole position corresponding to the printing pattern on the product is set as the image region not to be processed and is excluded, so that the image region to be processed is selected. The selected image region is subjected to open operation of a rectangular operator, and the difference operation is performed on the calculated inscribed rectangle and circumscribed rectangle. The result is intersected with the connected region, so that the position of the pixel step is obtained. Finally, according to the direction of the rotation deviation angle, the pixel step position is completed or deleted, so that the sawtooth and edge unsmooth conditions of the partial region of the printed image are avoided during the rotation correction, and the printing quality is improved.

The invention discloses a tin-zinc-copper powder ultrafine powder batch preparation process, and relates to the technical field of metal powder preparation, and the tin-zinc-copper powder ultrafine powder batch preparation process comprises the following steps: dissolving tin salt, zinc salt and copper salt in deionized water, adding a complexing agent, and uniformly mixing to obtain a mixed metal salt aqueous solution; dissolving a rosin-based polyamine hyperbranched dispersant in an organic solvent to serve as an oil phase; slowly adding a mixed metal salt aqueous solution into the oil phase, and uniformly dispersing to obtain a water-in-oil microemulsion system; dropwise adding a reducing agent solution, and continuously carrying out heat preservation reaction for 0.5-3 hours after dropwise adding is finished, so as to obtain slurry containing alloy particles; and carrying out demulsification treatment, centrifugal separation, repeated washing and drying to obtain the surface-modified tin-zinc-copper superfine powder. Superfining of particles is achieved through confinement growth, synchronous co-deposition of multi-component elements is guaranteed, a homogeneous alloy phase is formed, component segregation is avoided, and a protective layer formed on the surface of the powder in situ endows the material with excellent oxidation resistance and good weld-aid wettability.

The present application provides an ink concentration adjusting device and a pad printing machine, wherein the ink concentration adjusting device comprises a solvent tank, a stirrer, a conveying pipeline and a flow control valve. The solvent tank is configured to store a solvent for diluting the concentration of ink; the stirrer is arranged in an ink tank of the pad printing machine and is configured to stir the solvent and the ink in the ink tank uniformly; the conveying pipeline is connected to the solvent tank and the ink tank; and the flow control valve is arranged in the conveying pipeline and is configured to control the volume of the solvent entering the ink tank.

A pad printing device for pipe fittings includes a main body, a pad printing mechanism, and a worktable mounted on the main body. The worktable has a clamp with a fixing groove for securing air pipes. The device also includes a dust removal mechanism, comprising a support, a detection element, and a spray gun. The support is fixed to the main body, and the detection element is mounted on the support. The detection element detects whether a pipe fitting is placed on the clamp. The spray gun is mounted on the support, and its outlet faces the fixing groove. It sprays gas when the detection element detects that an air pipe is placed on the clamp. Compared with existing technologies, this pad printing device features an automatic dust removal mechanism, improving printing efficiency.

This utility model discloses a guiding device for multi-nozzle oil painting printing, relating to the technical field of guiding devices. It includes a correction guiding mechanism, with a compensation mechanism and a limiting mechanism arranged on its inner side. By coordinating the compensation and limiting mechanisms, this utility model ensures that during the correction process, the compensation mechanism, through the linkage of the limiting collar and the compensation connecting plate, allows the correction roller to maintain contact with the printing fabric even when tilted, enhancing the friction between the correction roller and the printing fabric and preventing secondary deviation due to insufficient friction, thus improving the stability of the canvas transport. Through the design of the lifting block and auxiliary roller in the limiting mechanism, the height of the auxiliary roller can be automatically adjusted via a pull rope mechanism during the correction process, ensuring it remains in contact with the printing fabric at all times, achieving secondary correction and guiding functions, further enhancing the trajectory control capability of the canvas during the correction process.

The utility model relates to a kind of sealing structure of developing roller, including, toner cartridge, waste powder box and developing roller;The front end of waste powder box is provided with the opening of developing roller avoidance, developing roller is located in opening along left-right direction;The lower end of toner cartridge is provided with through-hole for the carbon powder outflow, waste powder box is located at the lower end of toner cartridge and blocks through-hole;Waste powder box is equipped with the flow guide groove of the carbon powder in toner cartridge being guided to the upper portion of developing roller on the upper side wall opposite to through-hole, the left and right sides of flow guide groove are all equipped with the baffle of preventing carbon powder flying out, the upper end of two baffles is all fixedly connected with toner cartridge, lower end is respectively slidably connected with the one side wall of developing roller in circular;Drive shaft is further provided in flow guide groove for driving carbon powder to flow to developing roller;The sealing structure of developing roller provided by the utility model effectively avoids the phenomenon that carbon powder leaks out of toner cartridge during the operation of printer, improves the overall sealing of device.

The utility model discloses a printer core and a printer, the printer core is used for selectively printing pigment on a color tape onto a printing medium through a printing unit, the color tape is driven by a rolling driving part which is rotatably arranged to be rolled, and the printing medium is conveyed by a paper feeding roller; the first driving source used for driving the paper feeding roller to rotate and the second driving source used for driving the winding driving part to rotate are arranged respectively, so that rotation of the winding driving part and rotation of the paper feeding roller do not interfere with each other, and the transmission problem of the winding driving part and the driving part of the winding driving part does not affect the paper feeding roller. Therefore, the possibility that the paper feeding roller shakes is greatly reduced, the phenomenon of horizontal stripes is well improved, and the printing quality is improved.

The utility model discloses a paperboard printing device relates to printing equipment technical field. Include: conveyer body, printing machine body, install in the outer wall top of conveyer body, cleaning mechanism, be located on conveyer body, cleaning mechanism includes two cylinder brush and mounting part, and mounting part is located on conveyer body, every cylinder brush is located on mounting part, limiting mechanism, be located on conveyer body, and limiting mechanism includes two moving frame, a plurality of roll and moving part, and moving part is located on conveyer body, and every moving frame is located on moving part, and every roll is rotationally embedded in the inner wall top of moving frame. The paperboard printing device, through cleaning mechanism, utilizes cylinder brush to clean paperboard surface, can effectively remove dust and impurity, ensure that paperboard surface is clean and neat, thereby improve printing quality, make printing pattern more clear, text more accurate, reduce the printing defect caused by surface pollutant.

The utility model discloses a fine screen, it includes the bearing layer and the inking layer of laminated arrangement. The bearing layer is provided with the printing face, and the inking layer is provided with the printing face, and the printing face and the printing face are opposite and set up. The bearing layer is distributed with a plurality of fine grid bars of through -going arrangement, and the fine grid bar extends along the first direction, and a plurality of fine grid bars are arranged at intervals along the second direction crossing the first direction, and the adjacent fine grid bar is the metal strip of not through -going arrangement. The fine grid bar includes a plurality of grid holes of through -going bearing layer arrangement, and the adjacent grid hole forms the ink bridge, and the inking layer includes the inking line hole of through -going inking layer arrangement, and the inking line hole is adapted to the fine grid bar and is set up, and the inking line hole is communicated with the grid hole and is set up, and the inking line hole is set up on the ink bridge, strengthens the strength of fine screen, improves the life of fine screen, is favorable to the inking property, and improves the printing quality, reduces the cost. In addition, the utility model also discloses a screen assembly and a solar cell piece.

This utility model relates to the field of printing press technology, specifically a three-color water-based printing press, including a limiting rail, a cleaning mechanism, and a printing unit body. Multiple sets of mounting holes are evenly distributed on the limiting rail. The cleaning mechanism is located at one end of the limiting rail. Three printing unit bodies are provided, each with a moving wheel at its bottom, which is rotatably connected to the limiting rail. A limiting mechanism is provided on each printing unit body, and the three printing unit bodies are sequentially limited on the limiting rail by their respective limiting mechanisms. This utility model, through the cleaning mechanism, facilitates the removal of fibers and dust adhering to the surface of the substrate before conveying it into the printing unit body, improving the cleanliness of the substrate surface and preventing contamination of the printing unit body, while also improving printing quality. The limiting mechanism and limiting rail facilitate the assembly, disassembly, and repair of the printing unit bodies, providing convenience for use.

This invention discloses a side-mounted 3D printing system and method for thin metal sheets. The system includes a cutting laser, a printing laser, a gas circulation component, a feeding component, a printing platform, and a printing control component. The feeding component is specifically designed to include an upper feeding roller and a lower receiving roller, both arranged vertically. The thin metal sheet is tightly wound between these two rollers and fed and retrieved along a vertical path. The cutting laser and the printing laser are positioned on the same side of the metal sheet printing surface, while the printing platform is located on the other side. By arranging the feeding and receiving rollers vertically, the thin metal sheet is continuously transported and retrieved vertically. This invention utilizes gravity to effectively prevent molten metal droplets generated by laser melting from splashing onto the workpiece surface during printing, thereby significantly improving print quality, and is particularly suitable for printing large-format (ultra-meter) workpieces.

The utility model relates to the technical field of packaging and printing, and discloses a packaging and printing equipment cleaning device which comprises a workbench, sliding grooves are formed in the left side and the right side of the workbench, sliding blocks are installed in the sliding grooves in a sliding mode, a portal frame is fixedly installed at the tops of the sliding blocks, and a telescopic air cylinder is fixedly installed at the top of the portal frame. A fixing base is fixedly installed at the bottom of the telescopic air cylinder, a motor is fixedly installed on the side face of the fixing base, an output shaft of the motor is fixedly connected with a rotating rod, and a printing roller is fixedly installed on the side face of the rotating rod. According to the cleaning device for the packaging and printing equipment, shutdown time is greatly shortened through automatic cleaning, efficiency of single-time cleaning is improved compared with manual cleaning, printing ink residues are reduced through precise cleaning, the dirty plate rate is reduced, ink color deviation is reduced, mechanical abrasion is reduced, and the service life of a roller is prolonged; and printing corners of the device can be effectively cleaned through the first spray head and the second spray head, the cleaning efficiency is improved, and the printing quality is improved.

The utility model discloses a kind of powder backfilling devices of selective laser melting equipment, it is related to selective laser melting equipment technical field, including support box, the fixed cylinder is fixed in support box top, double-shaft air suction motor is installed in the fixed cylinder inside.The utility model can efficiently recycle the metal powder of printing residue by the collaborative work of double-shaft air suction motor, filter cartridge and filter plugboard, and high-precision filtration is carried out to it, the influence of impurity on subsequent printing quality is avoided, simultaneously under the cooperation of first lug disc and second lug disc, recycling hose can be reciprocatingly shaken, the recycling of powder is facilitated, recycling process is closed, the condition of powder flying is greatly reduced, the health of working environment and operator is protected, in addition, reciprocating mixing scraper in powder storage box cooperates with transmission belt, can fully mix the recycled metal powder with original powder, ensure the uniformity of powder supply, improve subsequent printing quality.

The invention provides a scraper device and silk-screen printing equipment, the scraper device comprises a lifting driving mechanism and a scraper mechanism, the scraper mechanism is mounted at the driving end of the lifting driving mechanism, and the scraper mechanism comprises a first scraper, a second scraper and a third scraper which are sequentially arranged and parallel to one another; a plurality of first scraping teeth are arranged at the bottom of the first scraper at intervals, a first gap is formed between every two adjacent first scraping teeth, the first scraping teeth are used for scraping slurry, and the slurry leaks through the first gaps; a plurality of second scraping teeth are arranged at the bottom of the second scraper at intervals, a second gap is formed between every two adjacent second scraping teeth, and the second scraping teeth are used for scraping the slurry leaking from the first gaps; and the third scraper is used for scraping the slurry leaking from each second gap. The scraper device is optimized, two times of slurry filling are completed through one-time printing, the secondary printing requirement in the silk-screen printing process is reduced, and the printing quality of the silk-screen technology is improved.

The invention discloses a printing device with a tablet computer and an optical camera and a visual camera, and relates to the technical field of printing equipment. Comprising a main frame, a platform plate assembly is installed on the upper surface of the main frame, a shell assembly is installed on the side faces of the periphery of the main frame, a computer control mechanism is installed at the position, close to the right side, of the front side face of the shell assembly, and an ink supply box assembly is installed at the position, close to the rear side, of the left side face of the shell assembly; a cross beam mechanism is installed on the upper surface of the driving mechanism, a printing mechanism is installed on the cross beam mechanism, and a camera mechanism is installed on the right side face of the printing mechanism. According to the invention, a printed object is scanned through the camera mechanism, the printed object can be randomly placed on the platform plate assembly, a mold does not need to be manufactured, the placing time is saved, the printing efficiency is greatly improved, the focal length of the camera mechanism is adjustable, the scanning is more accurate, the printed object can be accurately printed, the printing precision is higher, and the printing quality is better.

The utility model relates to the technical field of printing adjustable anti-curling devices, in particular to a printing adjustable anti-curling device which comprises a printing device, a guide roller B and a guide roller A are installed on the inner side of the printing device, and an anti-curling accessory is movably installed at the position, close to the guide roller A, of the inner side of the frame end of the printing device. The anti-rolling accessory comprises two movable rods rotationally installed on the inner side of the frame end of the printing equipment, inner inserting shafts are movably installed at the bottom ends of the two movable rods through guide grooves, smoothing rollers are rotationally installed at the bottom ends of the inner sides of the inner inserting shafts, and adjusting accessories are arranged at the positions, close to the transverse shaft ends of the movable rods, of the outer side of the frame end of the printing equipment. By arranging the anti-curl accessory, anti-curl operation on printing paper is achieved, the movable rod rotates to be matched with the inner inserting shaft to drive the smoothing roller to rotate, so that the distance between the smoothing roller and the guide pipe A is changed, downward pressure is applied to the paper through the smoothing roller, and the anti-curl device is suitable for the paper of different thicknesses and materials.

The utility model relates to the technical field of printing machinery, and discloses a four-color printing device convenient for replacement of various pigments, which comprises a bottom plate, a base is fixedly connected to the upper surface of one side of the bottom plate, a clamping plate is arranged in the base, a positioning component is arranged in the clamping plate, a pigment box is fixedly connected to the upper surface of the clamping plate, and the pigment box is fixedly connected to the lower surface of the bottom plate. A painting pipe is arranged at one end of the paint box, a clamping column is arranged in the first spring, a fixing ring is fixedly connected to the outer wall of one side of the clamping column, a pull ring is arranged at the end, away from the fixing ring, of the clamping column, the outer portion of the second spring is arranged in a clamping plate, and positioning plates are arranged at the two ends of the second spring. According to the paint box, the clamping column is pulled through the pull ring, meanwhile, the fixing ring compresses the first spring, the clamping plate is inserted into the base, the positioning plate is clamped into the positioning groove to complete positioning, the paint box can be disassembled by pulling the pull ring out, and therefore the effects that the paint replacement time is shortened, and the production efficiency is remarkably improved can be achieved.

This utility model discloses a paper-based packaging material structure and packaging bag. The paper-based packaging material structure includes: a paper substrate layer, one surface of which has pores; an aqueous coating layer, which is disposed on one surface of the paper substrate layer and forms a continuous fixed film layer, the surface of the continuous fixed film layer away from the paper substrate layer being a smooth surface; and a printing layer, which is disposed on the smooth surface of the aqueous coating layer; wherein the gloss of the smooth surface measured at a preset angle is greater than 60 GU. By forming a high-gloss, smooth aqueous coating layer on a porous paper substrate as a printing substrate, this utility model solves the quality defects of traditional paper-based materials caused by surface roughness and uneven ink absorption, such as "missing dots" and "blurred printing," improving the clarity and gloss of printed materials and giving the packaging excellent printing quality.

The application discloses a 3D printing self-adaptive powder spreading method, comprising the following steps: (1) converting a three-dimensional model of a to-be-printed object into a two-dimensional model cross-section feature and transmitting the two-dimensional model cross-section feature to an upper computer; (2) judging whether the cross-section feature of the current printing layer changes; if not, keeping the powder feeding amount unchanged; if yes, adjusting the powder amount factor according to the region range where the current cross-section feature is located, and outputting a specific powder feeding amount; (3) after completing the powder spreading operation of the current layer printing, shooting a powder layer image of the current printing layer and transmitting the powder layer image to the upper computer, the upper computer performing powder bed feature identification and judging the uniformity of the current powder layer according to the powder layer image of the current printing layer, if the powder layer is uniform, completing the printing of the layer; if the powder layer is not uniform, adjusting the powder feeding amount and re-performing the powder spreading until the powder layer of the current printing layer is uniform; (4) after completing the printing of the current layer, lowering by one layer thickness, and repeating steps (1) to (3) to complete the powder spreading of the next layer. The method can save materials and reduce labor cost.

The printing plate comprises a metal film and an organic film which are arranged in a stacked mode, the metal film comprises a plurality of weft-direction connecting parts arranged at intervals and a plurality of warp-direction connecting parts arranged at intervals, and the weft-direction connecting parts and the warp-direction connecting parts intersect with each other to form a plurality of material penetrating openings. The warp-direction connecting parts comprise a plurality of first connecting parts and a plurality of second connecting parts, the first connecting parts are connected with the adjacent weft-direction connecting parts in the first direction, the second connecting parts are connected with the adjacent weft-direction connecting parts in the second direction, and the first direction intersects with the second direction; at least one grid line opening is formed in the organic film, the grid line opening corresponds to the interval between the adjacent weft-direction connecting parts, the grid line opening is used for enabling slurry flowing in from the material penetrating opening to flow out from the grid line opening, and the width of the grid line opening is smaller than the interval between the adjacent weft-direction connecting parts.

The application relates to the technical field of laser plate making, in particular to a screen frame fixing device of a laser plate making machine, which is characterized in that the screen frame fixing device is provided with horizontally-slidable supporting rods and sliding blocks, the supporting rods are dynamically adjusted in position along the sliding rails arranged on the base, the sliding blocks are flexibly moved along the length direction of the supporting rods, the screen frame supporting assembly is provided with limiting columns and the screen frame is inserted and matched with the limiting columns, the screen frame is quickly positioned and fixed by combining a driving cylinder and a locking piece, the screen frame edge drooping phenomenon is reduced, the screen mesh flatness is obviously improved, and therefore the printing quality is improved and the uniformity and precision of laser exposure photosensitive glue are ensured.

The utility model discloses a kind of flattening device, it is related to the field of printing system, including flattening plate, the bottom of flattening plate is provided with exhaust hole, and at least two suction holes are arranged in the edge position of flattening plate for adsorbing the edge of printing material, suction hole and exhaust hole are all communicated with the inside of flattening plate, negative pressure is manufactured in flattening plate inside, after printing material is adsorbed on flattening plate, the surface of flattening plate is used to flatten printing material, improve the printing quality of the surface of printing material;A high-speed printing system using the flattening device is also disclosed, flattening plate is arranged below adjacent paper guide roller, nozzle is arranged directly above the gap between adjacent paper guide roller, when flattening device adsorbs printing material on the top of flattening plate, nozzle is used to print code on the part of printing material adsorbed on flattening plate, improve the printing quality of high-speed printing system.