WO2020087920A1 - Procédé d'amélioration de précision d'impression horizontale et imprimante appliquant celui-ci - Google Patents

Procédé d'amélioration de précision d'impression horizontale et imprimante appliquant celui-ci Download PDF

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Publication number
WO2020087920A1
WO2020087920A1 PCT/CN2019/088753 CN2019088753W WO2020087920A1 WO 2020087920 A1 WO2020087920 A1 WO 2020087920A1 CN 2019088753 W CN2019088753 W CN 2019088753W WO 2020087920 A1 WO2020087920 A1 WO 2020087920A1
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WIPO (PCT)
Prior art keywords
printing
printer
nozzles
nozzle
units
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2019/088753
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English (en)
Chinese (zh)
Inventor
汤振华
彭俊甲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Kingtau Machinery&electronics Equipment Co Ltd
Original Assignee
Guangzhou Kingtau Machinery&electronics Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Kingtau Machinery&electronics Equipment Co Ltd filed Critical Guangzhou Kingtau Machinery&electronics Equipment Co Ltd
Publication of WO2020087920A1 publication Critical patent/WO2020087920A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/145—Arrangement thereof

Definitions

  • This patent relates to the field of industrial printing, and more specifically, to a method and printer for improving the accuracy of horizontal printing.
  • Industrial printers are used to print on mediums with larger sizes, such as tiles, boards, glass, corrugated paper, gussets, etc., and inks of various colors are printed on the printing medium by inkjet and then further processed to obtain the desired pattern.
  • the ink penetrates into the inside of the printing medium through corrosion, which makes the printed pattern not easy to fade, and has the characteristics of waterproof, anti-ultraviolet and anti-scratch.
  • the ink ejected through the printer nozzle falls on the surface of the printing medium to form ink dots one by one. These ink dots together form the target pattern for printing.
  • the size of the ink dots and the number of ink dots per unit area directly affect the accuracy and quality of printing .
  • the nozzle of the printer is generally provided with a plurality of nozzle holes that are staggered from each other, and the ink is ejected through these nozzle holes and printed on the printing medium.
  • One nozzle hole ejects ink at a time to form an ink dot on the printing medium, so the size of the nozzle hole and
  • the number of spray holes per unit area indirectly affects the accuracy and quality of printing. Due to the limitations of processing technology and inkjet technology, the orifice is often impossible to shrink indefinitely, and its number per unit area cannot be infinitely increased, which restricts the improvement of printing accuracy.
  • the present patent provides a cost-effective, simple and effective method for improving the lateral printing accuracy in order to overcome at least one of the deficiencies described in the prior art. .
  • a method for improving the accuracy of lateral printing printing the same ink with N rows of nozzles arranged side by side in the lateral direction of the printer, and offsetting the printing start points between the N rows of nozzles by 1 / N first units, said The first unit is the center distance between two adjacent orifices of the nozzle in the transverse direction of the printer.
  • This patent uses N rows of nozzles arranged side by side in the lateral direction of the printer to print the same ink.
  • the nozzles of the same row and different rows are located on the same straight line parallel to the lateral direction of the printer.
  • the starting point of printing is offset by 1 / N first unit from each other, the printing accuracy can be increased to N times the original, the method is simple and effective, there is no need to improve the original nozzle, and there is no need to replace the cost not only the cost of the original nozzle N-times higher-precision nozzle is economical and practical, which is conducive to market promotion.
  • the lateral direction of the printer described in this patent is a direction parallel to the conveying direction of the printing medium, and the longitudinal direction of the printer is a direction perpendicular to the conveying direction of the printing medium.
  • the number N of columns of the nozzle is preferably 2 to 4.
  • the print head is a very precise component, which means that its price is correspondingly more expensive. It is well known that in industrial printing, the format of the printing medium is generally large. Usually, several print heads arranged in rows are used to complete a complete format. Print, instead of printing a full format with a large, separate column of print heads, otherwise the cost of replacement will be very high if the print head fails. But the problem that comes with it is that there is often a certain distance between two adjacent nozzles in the same row of nozzles, and the actual print length of the nozzle is usually less than the total length of the nozzle, and some of the two ends of the nozzle cannot be printed. As a result, the accuracy and quality of the printing pattern corresponding to this position are relatively weak.
  • M printing units arranged in the transverse direction of the printer are used to print the same ink, and the M printing units are arranged between the printing units in the longitudinal direction of the printer.
  • 1 / M second units are staggered from each other, and each of the printing units includes the N rows of nozzles, and the second unit is a center distance between two adjacent nozzles in the longitudinal direction of the printer in any column.
  • the second unit is not greater than M times the actual print length of the nozzle in the longitudinal direction of the printer.
  • this patent uses M printing units that are offset by 1 / M of the second unit in the longitudinal direction of the printer to compensate for the gap between two adjacent nozzles on the same row of nozzles, so that the entire printing format is directly above Both are covered by nozzles that can eject ink.
  • this patent uses the N rows of nozzles arranged on the same printing module on the printer to print the same ink, that is, the nozzles that print the same ink in N rows are set in the same printing mode
  • it is better and easier to ensure the position accuracy of the N-row nozzles, reduce the difficulty of assembly, improve the assembly efficiency, and promote the realization of the method.
  • M printing units arranged in the lateral direction of the printer on the same printing module on the printer are used to print the same ink, that is, M printing units that print the same ink are uniformly set at On the same printing module, it is better and easier to ensure the position accuracy of the M printing units relative to each other, reduce the difficulty of assembly, improve the assembly efficiency, and promote the implementation of the method.
  • Another object of this patent is to provide a printer applying the above method for improving lateral printing accuracy, including a conveying platform for conveying printing media and a printing system located above the conveying platform, the printing system including a plurality of rows arranged in the lateral direction of the printer A printing unit for cloth, the printing unit includes N rows of nozzles for printing the same ink arranged side by side in the lateral direction of the printer, and the printing start points between the N rows of nozzles are shifted from each other by 1 / N first units, the first One unit is the center distance between two adjacent orifices of the nozzle in the transverse direction of the printer.
  • This patent uses N rows of nozzles arranged side by side in the lateral direction of the printer to print the same ink.
  • the nozzles of the same row and different rows are located on the same straight line parallel to the lateral direction of the printer.
  • the starting point of printing is shifted by 1 / N first unit from each other, the printing accuracy can be increased to N times the original, the structure is simple, there is no need to improve the original nozzle, and there is no need to replace the cost more than the original nozzle cost N Double times higher precision nozzle, economical and practical, conducive to market promotion.
  • the lateral direction of the printer described in this patent is a direction parallel to the conveying direction of the printing medium, and the longitudinal direction of the printer is a direction perpendicular to the conveying direction of the printing medium.
  • the number N of columns of the nozzle is preferably 2 to 4.
  • the print head is a very precise component, which means that its price is correspondingly more expensive. It is well known that in industrial printing, the format of the printing medium is generally large. Usually, several print heads arranged in rows are used to complete a complete format. Print, instead of printing a full format with a large, separate column of print heads, otherwise the cost of replacement will be very high if the print head fails. But the problem that comes with it is that there is often a certain distance between two adjacent nozzles in the same row of nozzles, and the actual print length of the nozzle is usually less than the total length of the nozzle, and some of the two ends of the nozzle cannot be printed. As a result, the accuracy and quality of the printing pattern corresponding to this position are relatively weak.
  • every M printing units print the same ink, and the M printing units are shifted from each other by 1 / M second units in the longitudinal direction of the printer.
  • the second unit is the center distance between two adjacent nozzles of any row of nozzles in the longitudinal direction of the printer.
  • the second unit is not greater than M times the actual print length of the nozzle in the longitudinal direction of the printer.
  • this patent uses M printing units that are offset by 1 / M of the second unit in the longitudinal direction of the printer to compensate for the gap between two adjacent nozzles on the same row of nozzles, so that the entire printing format is directly above Both are covered by nozzles that can eject ink.
  • the larger the number of printing units the greater the span of all the nozzles in the lateral direction of the printer, which is not conducive to the simplification of the printer structure. Therefore, the number M of the printing units is preferably 2 to 3.
  • the printing system includes several printing modules, and each printing module includes at least one printing unit.
  • the printing units with nozzles that print the same ink in N rows are uniformly arranged on the same printing module, which can better and more easily ensure the position accuracy of the nozzles in the N rows, reduce assembly difficulty, improve assembly efficiency, and promote the implementation of the method .
  • the printing module includes a spray head and a tray for mounting the spray head, and the tray is provided with a multiple of N mounting holes for mounting the spray head.
  • This patent uses a tray to position and install the nozzles.
  • the tray is provided with a number of mounting holes, and each mounting hole corresponds to a nozzle. Therefore, as long as the relative positional relationship of each mounting hole in the tray is ensured, the nozzles can be easily secured. Position relationship, thus effectively ensuring higher printing accuracy.
  • the printing system includes several printing modules, each printing module includes M printing units, the printing module includes a nozzle and a tray for installing the nozzle, The tray is provided with a mounting hole for mounting the spray head with an M multiple of N.
  • this patent uses N rows of nozzles arranged side by side in the lateral direction of the printer to print the same ink.
  • the nozzles of the same row and different rows are located in the same direction as the printer lateral direction
  • the printing start points between the N rows of nozzles are shifted from each other by 1 / N first unit, the printing accuracy can be increased to N times, the method is simple and effective, and no need to improve the original nozzle It also does not need to be replaced with a higher precision spray head whose cost is more than N times the cost of the original spray head. It is economical and practical, which is conducive to market promotion.
  • FIG. 1 is a schematic diagram of a printing unit and its formation of ink dots on a printing medium.
  • FIG. 2 is a partially enlarged view of part A in FIG. 1.
  • Fig. 3 is an installation schematic diagram of two printing units printing the same ink.
  • FIG. 4 is a partially enlarged view of part B in FIG. 3.
  • FIG. 5 is a schematic diagram of the tray of Embodiment 3 of the device.
  • Fig. 6 is a schematic diagram 1 of a tray in Embodiment 4 of the device.
  • Fig. 7 is a second schematic diagram of the tray in Embodiment 4 of the device.
  • the first unit W1 is the center distance between two adjacent nozzle holes 111 of the nozzle 110 in the lateral direction of the printer.
  • two rows of nozzles 110 arranged side by side in the lateral direction of the printer are used to print the same ink.
  • the nozzles 110 of the same row and different rows are located on the same straight line parallel to the lateral direction of the printer.
  • the printing start points between the two rows of nozzles 110 are offset by 1/2 of the first unit W1, and the printing accuracy can be increased to twice the original.
  • the method is simple and effective, and there is no need to improve the original nozzle 110 or replace it.
  • the cost is not only the higher-precision nozzle 110 which is twice the cost of the original nozzle 110, but also economical and practical, which is conducive to market promotion.
  • the number of columns of the nozzle 110 is preferably 2 to 4.
  • two printing units 200 arranged in the transverse direction of the printer are used to print the same ink, and the two printing units 200 are shifted from each other by 1/2 in the longitudinal direction of the printer
  • a second unit W2 is the center distance between two adjacent nozzles 110 of any row of nozzles 110 in the longitudinal direction of the printer.
  • Each of the printing units 200 includes 2 rows of nozzles 110 arranged in the transverse direction of the printer, and in the longitudinal direction of the printer, the two rows of nozzles 110 are offset from each other by 1/2 first unit W1, and the first unit W1 It is the center distance between two adjacent nozzle holes 111 of the nozzle 110 in the longitudinal direction of the printer.
  • the nozzle 110 is a very precise component, which means that its price is relatively expensive. It is well known that in industrial printing, the size of the printing medium is generally large. Usually, several nozzles 110 arranged in rows are used to complete a complete Format printing, instead of printing a complete format with a large, individually arranged nozzle 110, otherwise the cost of replacement will be very high if the nozzle 110 fails. However, the following problem is that there is often a certain distance between two adjacent nozzles 110 in the same row of nozzles 110, and the actual print length of the nozzle is usually less than the total length of the nozzle. As a result, the accuracy and quality of the print pattern corresponding to this position are relatively weak.
  • two printing units 200 that are offset from each other in the longitudinal direction of the printer by 1/2 second unit W2 compensate for the same row of nozzles 110
  • the blank space between the two adjacent nozzles 110 makes the entire printing format directly above the nozzle 111 that can eject ink.
  • the length of the second unit W2 is usually not more than twice the actual print length of the print head. The distance of a dozen orifices.
  • the second units W2 are offset from each other by 1/3, 1/4 or 1 / M, and the length of the second unit W2 is less than 3 times, 4 times or M times the actual print length of the nozzle.
  • the larger the number of the printing units 200 means that the span of all the nozzles 110 in the lateral direction of the printer will be larger, which is not conducive to the simplification of the structure of the printer. Therefore, the number of the printing units 200 is preferably 2-3.
  • this embodiment uses two rows of nozzles 110 or two printing units 200 of the same printing module on the printer to print the same ink, that is, two rows of nozzles 110 printing the same ink or two printing the same ink
  • the printing unit 200 is uniformly arranged on the same printing module, which can better and more easily ensure the position accuracy between the nozzle 110 and the nozzle 110, and between the printing unit 200 and the printing unit 200, reduce assembly difficulty, and improve assembly efficiency.
  • a printer applying the above method for improving lateral printing accuracy includes a conveying platform for conveying printing media and a printing system located above the conveying platform.
  • the printing system includes a plurality of printing units 200 arranged in the lateral direction of the printer.
  • the printing unit 200 includes two rows of print heads 110 that print the same ink side by side in the lateral direction of the printer, and the printing start points between the N rows of print heads 110 are offset from each other by 1/2 first units W1, and the first units W1 It is the center distance between two adjacent nozzle holes 111 of the nozzle 110 in the lateral direction of the printer.
  • This patent uses two rows of nozzles 110 arranged side by side in the lateral direction of the printer to print the same ink.
  • the nozzles 110 of the same row and different rows are located on the same straight line parallel to the lateral direction of the printer.
  • the printing start points of the column nozzles 110 are offset by 1/2 of the first unit W1, and the printing accuracy can be increased to twice the original one.
  • the structure is simple, and there is no need to improve the original nozzle 110 or replace the cost. It is a high-precision nozzle 110 that is twice the cost of the original nozzle 110. It is economical and practical, and is conducive to market promotion.
  • the printer described in this embodiment we can also use three, four or more columns (N columns) of nozzles 110 to print the same ink, and accordingly, the printing starting point between the nozzles 110 of each column 1/3, 1/4 or 1 / N first units W1 are shifted from each other.
  • the number of columns of the nozzle 110 is preferably 2 to 4.
  • every two printing units 200 print the same ink, and the two printing units 200 are offset from each other by 1/2 second unit W2 in the longitudinal direction of the printer.
  • the second unit W2 is the center distance between two adjacent heads 110 of any row of heads 110 in the longitudinal direction of the printer.
  • the nozzle 110 is a very precise component, which means that its price is relatively expensive. It is well known that in industrial printing, the size of the printing medium is generally large. Usually, several nozzles 110 arranged in rows are used to complete a complete Format printing, instead of printing a complete format with a large, individually arranged nozzle 110, otherwise the cost of replacement will be very high if the nozzle 110 fails. However, the following problem is that there is often a certain distance between two adjacent nozzles 110 in the same row of nozzles 110, and the actual print length of the nozzle is usually less than the total length of the nozzle. As a result, the accuracy and quality of the print pattern corresponding to this position are relatively weak.
  • two printing units 200 that are offset from each other in the longitudinal direction of the printer by 1/2 second unit W2 compensate for the same row of nozzles 110
  • the blank space between the two adjacent nozzles 110 makes the entire printing format directly above the nozzle 111 that can eject ink.
  • the length of the second unit W2 is usually not more than twice the actual print length of the print head. The distance of a dozen orifices.
  • the printer described in this embodiment we can also use three, four, or more (M) printing units 200 to print the same ink, and accordingly, each printing unit in the longitudinal direction of the printer
  • the second units W2 are offset from each other by 1/3, 1/4 or 1 / M, and the length of the second unit W2 is less than 3 times, 4 times or M times the actual print length of the nozzle.
  • the larger the number of printing units 200 means that the span of all the nozzles 110 in the lateral direction of the printer will be larger, which is not conducive to the simplification of the structure of the printer. Therefore, the number of the printing units 200 is preferably two.
  • the printing system in this embodiment includes several printing modules, and each printing module is a printing unit 200.
  • the printing module includes a nozzle 110 and a tray 120 for installing the nozzle 110.
  • the tray 120 is provided with two rows of mounting holes 121 for installing the nozzle 110, and two rows of mounting holes 121 in the same row and different rows of mounting holes 121 is located on the same straight line parallel to the transverse direction of the printer, and the printing start points between the nozzles 110 installed in the mounting holes 121 of the two rows are offset by 1/2 of the first unit W1, and the first unit W1 is the nozzle 110 The center distance between two adjacent nozzle holes 111 in the lateral direction of the printer.
  • the tray 120 is used to position and install the spray head 110.
  • the tray 120 is provided with a plurality of mounting holes 121, each of which corresponds to one spray head 110. Therefore, as long as the relative positional relationship of each mounting hole 121 in the tray 120 is ensured, It is easy to ensure the positional relationship between the nozzles 110, thereby effectively ensuring a high printing accuracy.
  • the printing system in this embodiment includes several printing modules, and each printing module includes two printing units 200, A and B.
  • the printing module includes a nozzle 110 and a tray 120 for installing the nozzle 110.
  • the tray 120 is provided with two rows of mounting holes 121 for installing the nozzle 110 of the printing unit a and two rows for installing the printing unit b
  • the mounting holes 121 of the nozzle 110; the two rows of mounting holes 121 of the same printing unit 200, the mounting holes 121 of different rows in the same row are located on the same straight line parallel to the lateral direction of the printer, and are installed in the two rows of mounting holes 121 of the same printing unit 200
  • the printing start points of the nozzles 110 are offset from each other by 1/2 first unit W1, and the first unit W1 is the center distance between two adjacent nozzle holes 111 of the nozzle 110 in the transverse direction of the printer;
  • the mounting holes 121 between the different printing units 200 in the direction are offset from each other by 1/2 second units W2, and the second unit W2 is the center distance between two
  • the four rows of mounting holes 121 on the tray 120 may be the nozzles 110 for each adjacent two rows of mounting holes 121 for mounting the same printing unit 200, or two rows of mounting holes 121 for mounting the nozzles of the same printing unit 200 110.

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  • Ink Jet (AREA)

Abstract

L'invention concerne un procédé pour améliorer la précision d'impression horizontale. Dans le procédé, N colonnes de têtes d'impression (110) disposées en parallèle dans une direction transversale d'une imprimante sont utilisées pour imprimer avec la même encre, et les points de début d'impression des N colonnes de têtes d'impression (110) sont mutuellement décalés de 1/N premières unités (W1), la première unité (W1) étant une distance de centre à centre entre deux orifices adjacents (111) des têtes d'impression (110) dans la direction transversale de l'imprimante. L'invention concerne en outre une imprimante qui met en œuvre le procédé pour améliorer la précision d'impression horizontale. L'imprimante comprend une plateforme de transport servant à transporter un support d'impression, et un système d'impression situé au-dessus de la plateforme de transport. Le système d'impression comprend plusieurs unités d'impression (200) disposées dans la direction transversale de l'imprimante. Chacune des unités d'impression (200) comprend N colonnes de têtes d'impression (110) disposées en parallèle dans la direction transversale de l'imprimante et utilisées pour imprimer avec la même encre. Les points de début d'impression des N colonnes de têtes d'impression (110) sont mutuellement décalés de 1/N premières unités (W1), la première unité (W1) étant la distance de centre à centre entre deux orifices adjacents (111) des têtes d'impression (110) dans la direction transversale de l'imprimante. Le procédé et l'imprimante peuvent améliorer de manière simple et efficace la précision d'impression horizontale.
PCT/CN2019/088753 2018-10-30 2019-05-28 Procédé d'amélioration de précision d'impression horizontale et imprimante appliquant celui-ci Ceased WO2020087920A1 (fr)

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CN201811277762.0A CN109228663A (zh) 2018-10-30 2018-10-30 一种提高横向打印精度的方法及其打印机
CN201811277762.0 2018-10-30

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109228663A (zh) * 2018-10-30 2019-01-18 广州精陶机电设备有限公司 一种提高横向打印精度的方法及其打印机
CN113858814B (zh) * 2021-09-07 2023-03-28 上海汉图科技有限公司 打印机

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CN101746129A (zh) * 2005-08-24 2010-06-23 株式会社石井表记 膜涂敷装置及膜涂敷方法
JP2016132242A (ja) * 2015-01-22 2016-07-25 株式会社ミマキエンジニアリング 印刷装置及び印刷方法
CN107443906A (zh) * 2016-05-30 2017-12-08 佳能株式会社 打印元件基板和液体喷出头
CN109228663A (zh) * 2018-10-30 2019-01-18 广州精陶机电设备有限公司 一种提高横向打印精度的方法及其打印机

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CN101774299B (zh) * 2009-12-30 2011-05-18 北京美科艺数码科技发展有限公司 一种喷墨打印机喷头安装模块
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Publication number Priority date Publication date Assignee Title
EP0827107A1 (fr) * 1996-08-28 1998-03-04 Seiko Epson Corporation Méthode et appareil d'impression matricielle
CN1513674A (zh) * 2002-12-31 2004-07-21 杭州宏华数码科技股份有限公司 喷墨打印机的喷头安装方法
CN101746129A (zh) * 2005-08-24 2010-06-23 株式会社石井表记 膜涂敷装置及膜涂敷方法
JP2016132242A (ja) * 2015-01-22 2016-07-25 株式会社ミマキエンジニアリング 印刷装置及び印刷方法
CN107443906A (zh) * 2016-05-30 2017-12-08 佳能株式会社 打印元件基板和液体喷出头
CN109228663A (zh) * 2018-10-30 2019-01-18 广州精陶机电设备有限公司 一种提高横向打印精度的方法及其打印机

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