WO2017177760A1 - Machine d'impression flexographique alimentée en feuilles - Google Patents

Machine d'impression flexographique alimentée en feuilles Download PDF

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Publication number
WO2017177760A1
WO2017177760A1 PCT/CN2017/073585 CN2017073585W WO2017177760A1 WO 2017177760 A1 WO2017177760 A1 WO 2017177760A1 CN 2017073585 W CN2017073585 W CN 2017073585W WO 2017177760 A1 WO2017177760 A1 WO 2017177760A1
Authority
WO
WIPO (PCT)
Prior art keywords
printing
cylinder
roller
printing paper
impression cylinder
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/CN2017/073585
Other languages
English (en)
Chinese (zh)
Inventor
马立项
吴金平
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.)
NANJING MINT CO Ltd
China Banknote Printing and Minting Corp
Original Assignee
NANJING MINT CO Ltd
China Banknote Printing and Minting Corp
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 NANJING MINT CO Ltd, China Banknote Printing and Minting Corp filed Critical NANJING MINT CO Ltd
Priority to JP2017554901A priority Critical patent/JP6408170B2/ja
Priority to EP17781736.8A priority patent/EP3444115B1/fr
Publication of WO2017177760A1 publication Critical patent/WO2017177760A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/02—Rotary letterpress machines for printing on sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F21/00—Devices for conveying sheets through printing apparatus or machines
    • B41F21/10—Combinations of transfer drums and grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/044—Drying sheets, e.g. between two printing stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/044—Drying sheets, e.g. between two printing stations
    • B41F23/0443—Drying sheets, e.g. between two printing stations after printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/044—Drying sheets, e.g. between two printing stations
    • B41F23/045—Drying sheets, e.g. between two printing stations by radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • B41F23/0476—Cooling
    • B41F23/0479—Cooling using chill rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/0036—Devices for scanning or checking the printed matter for quality control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/04—Tripping devices or stop-motions
    • B41F33/08—Tripping devices or stop-motions for starting or stopping operation of cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F33/00—Indicating, counting, warning, control or safety devices
    • B41F33/04—Tripping devices or stop-motions
    • B41F33/12—Tripping devices or stop-motions for starting or stopping the machine as a whole
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F5/00—Rotary letterpress machines
    • B41F5/24—Rotary letterpress machines for flexographic printing

Definitions

  • the invention relates to the technical field of printing equipment, and in particular to a sheet-fed flexographic printing machine.
  • the existing flexographic printing presses especially the double-sided flexographic printing presses, in order to meet the requirements of increasing production efficiency, it is necessary to perform drying and curing of the printing surface ink immediately after each printing, in order to perform the next or next printing operation.
  • the existing rapid drying technology of printed matter adopts the principles of hot air, infrared or ultraviolet light drying and curing to achieve rapid drying of printed products.
  • the above drying methods will have a thermal effect on the surface of the printed product, which may cause the temperature of one side of the printed product to rise and slightly warp, which may cause significant deformation of the printed product. In special cases, even the coking of the printed product may be caused. Or burn.
  • the user has put forward requirements for the online quality inspection system for printing equipment.
  • the existing flexographic printing machine still has insufficient considerations in the configuration of the online inspection system for printing quality.
  • Figure 4 is a flow chart showing a conventional double-sided flexographic printing press in which two printing color groups corresponding to two sides of a print are sequentially connected. After the first side (A side) is printed and dried by the drying device, the other side (B side) is printed and dried and solidified, and then the quality inspection of the two printing surfaces is performed on the inspection roller, respectively.
  • the structure has the problem of continuous drying and heat accumulation of the printed matter, and the deformation caused by the overheating of the printed product affects the printing quality, and is not conducive to the neat collection of the printed product.
  • FIG. 5 is a schematic view showing the arrangement structure of the printing unit drum of the conventional double-sided flexographic printing machine.
  • the printing unit drum arrangement structure conforms to the printing flow shown in FIG. 4, and the flexographic printing machine continuously prints on both sides of the printing product.
  • the present invention provides a sheet-fed flexographic printing press that reduces the thermal accumulation of prints and the problem of timely finding print quality.
  • a technical solution for achieving the object of the present invention is: a sheet-fed flexographic printing machine comprising a first printing unit and a second printing unit for respectively printing two surfaces of a substrate, the first printing unit comprising a first printing cylinder First printing pass a first printing cylinder 2 and a first printing cylinder II, the second printing unit comprising a second impression cylinder, a second printing paper cylinder I and a second printing paper cylinder II, a first printing paper roller I and a first printing paper
  • the paper cylinder II is disposed between the first impression cylinder and the second impression cylinder, and the second printing paper cylinder I and the second printing paper cylinder II are disposed behind the second impression cylinder, the first printing paper cylinder I
  • the first printing paper conveying roller II, the second printing paper conveying roller I and the second printing paper conveying roller II are provided as a drum having a temperature control or quality inspection device, and the temperature controlled roller has a temperature adjustment for the flow of the liquid medium inside.
  • the control mechanism, the drum having the quality inspection device
  • the first printing paper transfer roller I and the first printing paper conveying roller II are externally provided with a first inspection device
  • the second printing paper transfer roller I and the second printing paper roller roller 2 are externally provided with a second The inspection device, the first inspection device and the second inspection device are both used to check the material or print quality of the substrate transferred from the front end.
  • the first impression cylinder, the first printing paper roller I, the first printing paper roller II, the second impression cylinder, the second printing paper roller I and the second printing paper roller II The inside of the device is equipped with a caries mechanism for holding the substrate.
  • the first impression cylinder and the second impression cylinder have a temperature adjustment control mechanism for the flow of the liquid medium.
  • At least one first flexographic printing cylinder for mounting a flexo is disposed on the first impression cylinder, and the first flexographic printing cylinder is provided with a corresponding first ink supply system, and the second imprinting At least one second flexographic printing cylinder for mounting a flexo is disposed on the drum, and the second flexographic printing cylinder is configured with a corresponding second ink supply system.
  • a first printing ink drying and curing device is disposed outside the first impression cylinder, and a second printing ink drying and curing device is disposed outside the second impression cylinder.
  • the front end of the first printing unit is provided with an input paper feeding device.
  • a multi-storage paper take-up device is disposed at the rear end of the second printing unit.
  • the invention has a positive effect: the invention installs two sets of four printing paper rollers respectively between the units where the two impression cylinders are located and after the unit, and these printing paper rollers can be set with temperature control and quality. Check the required rollers.
  • the temperature control function is set on the printing paper roller to reduce the heat accumulation of the printed product, creating conditions for the control of the printing quality and the neat collection of the printed product; installing the quality inspection device on the printing paper roller can be based on the quality.
  • the inspection needs, the inspection requirements for different quality inspection features or optical features on both sides of the printed product, and the scope of inspection is expanded.
  • the addition of inspection devices between the units also provides conditions for timely feedback on the quality of printed products, such as printing on the first side. After the brush, when the inspection finds that there is a quality problem, it can be set to timely alarm, stop, print cylinder pressure or separate collection of printed products, etc., to reduce unnecessary waste of printed materials and substrates.
  • Figure 1 is a structural view of the present invention
  • Figure 2 is a diagram of an embodiment of the present invention.
  • Figure 3 is a flow chart of the operation of the present invention.
  • Figure 4 is a flow chart of a conventional double-sided flexographic printing machine
  • Fig. 5 is a schematic view showing the arrangement of the printing unit drum of the conventional double-sided flexographic printing machine.
  • the present invention discloses a sheet-fed flexographic printing machine comprising a first printing unit and a second printing unit for respectively printing two surfaces of a substrate, the first printing unit including the first printing unit.
  • a drum 1 a first printing paper transport roller I2 and a first printing paper transport roller II3, the second printing unit comprising a second printing cylinder 4, a second printing paper transport roller I5 and a second printing paper transport roller II6, the first printing
  • the transfer cylinder I2 and the first transfer transfer cylinder II3 are disposed between the first impression cylinder 1 and the second impression cylinder 4, and the second printing transfer cylinder I5 and the second printing transfer cylinder II6 are disposed at the second pressure
  • the first printing paper conveying roller I2, the first printing paper conveying roller II3, the second printing paper conveying roller I5 and the second printing paper conveying roller II6 are provided as a drum having a temperature control or quality inspection device, having a temperature
  • the controlled drum has a temperature adjustment control mechanism for the flow of the liquid medium, and the drum with the
  • Printing paper transfer roller guarantees the printing of the two sides of the printed product by the even number of times of paper transfer, and on the other hand, solves the heat of printing by adding a temperature control function and a quality inspection function to the printed paper transfer cylinder. Accumulation and quality control timeliness issues.
  • a first inspection device 7 is disposed outside the first printing paper transport roller I2 and the first printing paper transport roller II3, and a second inspection device 8 is disposed outside the second printing paper transport roller I5 and the second printing paper transport roller II6. Both the inspection device 7 and the second inspection device 8 are used to inspect the material or print quality of the substrate transferred from the front end in the forward direction, and both the first inspection device 7 and the second inspection device 8 are used to check the transfer of the front end adjacent direction.
  • the quality of the substrate, wherein the first inspection device 7 and the second inspection device 8 can be high-speed cameras, and the quality of the print can be checked by connecting the high-speed camera to the computer.
  • the inside of the first impression cylinder 1, the first printing paper roller I2, the first printing paper roller II3, the second impression cylinder 4, the second printing paper roller I5, and the second printing paper roller II6 are installed inside.
  • the present invention is mainly applicable to a sheet-fed double-sided flexographic printing machine, and therefore is provided in an empty space of a drum, such as an impression cylinder, a printing transfer cylinder, and the like, which involves paper clamping and transfer.
  • the caries mechanism that holds the substrate.
  • the first impression cylinder 1 and the second impression cylinder 4 have a temperature adjustment control mechanism for the flow of the liquid medium.
  • At least one first flexographic printing cylinder 9 for mounting a flexo is disposed on the first impression cylinder 1, and the first flexographic printing cylinder 9 is provided with a corresponding first ink supply system 10, and the second impression cylinder 4
  • At least one second flexographic printing cylinder 11 for mounting a flexo is disposed, and the second flexographic printing cylinder 11 is provided with a corresponding second ink supply system 12.
  • the first ink supply system 10 and the second ink supply system 12 are an anilox roller ink supply system.
  • the invention can perform flexographic printing on both sides of the printed product, and needs to adopt a fast drying and curing type ink, and is equipped with a corresponding drying and curing device, and the first printing cylinder 1 is externally disposed with a first printing ink drying and curing device 13, The second impression cylinder 4 is externally disposed with a second printing ink drying and curing device 14, and the rapid drying and solidification method causes a certain amount of heat radiation, which causes the temperature of the roller and other parts and the printed product to rise, so as to avoid the temperature rise and cause the mechanical parts.
  • the inside of the printing paper roller II6 is designed with a pipeline for the flow of the liquid medium, and the temperature control of the liquid medium and the flow of the liquid medium can be externally controlled to control the temperature of the drum and the printing product.
  • Figure 3 is a schematic illustration of a printing process for printing using the present invention, which illustrates a sequential flow of double-sided printing, dry curing, cooling, and quality inspection of the printing press.
  • the substrate is first transferred to the first impression cylinder 1 by the paper feed roller, and sequentially passes through the first flexographic cylinder 9 and the flexographic cylinder 17 to complete the two-color overprint printing of the first surface of the print.
  • the ink is dried and solidified by the first printing ink drying and curing device 13, and then cooled by the first printing paper transfer roller I2, and transferred to the second impression cylinder 4 through the first printing paper transfer roller II3 to complete the other side.
  • the two-color overprinting is completed by the second printing ink drying and curing device 14 to dry and solidify the ink, and then cooled by the second printing paper conveying roller I5 and the second printing paper conveying roller II6, and finally the paper is discharged.
  • the two-sided printing can be quality checked and controlled by the first inspection device 7 and the second inspection device 8, respectively, to ensure the quality of the printed product.
  • an input paper feeding device 15 is provided at the front end of the first printing unit, and a multi-storage paper delivery device 16 is disposed at the rear end of the second printing unit. It is convenient to print large quantities of paper by setting the input paper feeding device 15 and the multi-storage paper delivery device 16.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
  • Rotary Presses (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Abstract

L'invention concerne une machine d'impression flexographique alimentée en feuilles, qui comprend une première unité d'impression et une seconde unité d'impression pour imprimer respectivement sur deux surfaces d'un matériau à imprimer. La première unité d'impression comprend un premier rouleau d'estampage (1), un premier rouleau de transfert de feuille d'impression I (2) et un premier rouleau de transfert de feuille d'impression II (3) ; la seconde unité d'impression comprend un second rouleau d'estampage (4), un second rouleau de transfert de feuille d'impression I (5) et un second rouleau de transfert de feuille d'impression II (6). Le premier rouleau de transfert de feuille d'impression I (2), le premier rouleau de transfert de feuille d'impression II (3), le second rouleau de transfert de feuille d'impression I (5) et le second rouleau de transfert de feuille d'impression II (6) sont configurés sous forme de rouleaux avec des moyens de régulation de température ou d'inspection de qualité. Un nombre pair de rouleaux de transfert de feuille d'impression sont disposés séparément entre et après les unités d'impression correspondant à deux surfaces d'un matériau à imprimer. D'une part, l'impression sur les deux surfaces du matériau à imprimer est assurée au moyen d'un nombre pair de procédures de transfert de feuille et, d'autre part, en conférant en outre une fonction de régulation de température et une fonction d'inspection de qualité de matériau porté aux rouleaux de transfert de feuille d'impression, le problème d'accumulation de chaleur et le problème de rapidité du contrôle qualité d'un matériau à imprimer sont résolus.
PCT/CN2017/073585 2016-04-11 2017-02-15 Machine d'impression flexographique alimentée en feuilles Ceased WO2017177760A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2017554901A JP6408170B2 (ja) 2016-04-11 2017-02-15 枚葉式フレキソ印刷機
EP17781736.8A EP3444115B1 (fr) 2016-04-11 2017-02-15 Machine d'impression flexographique alimentée en feuilles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610219265.X 2016-04-11
CN201610219265.XA CN107160827B (zh) 2016-04-11 2016-04-11 一种单张纸柔版印刷机

Publications (1)

Publication Number Publication Date
WO2017177760A1 true WO2017177760A1 (fr) 2017-10-19

Family

ID=59848712

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/073585 Ceased WO2017177760A1 (fr) 2016-04-11 2017-02-15 Machine d'impression flexographique alimentée en feuilles

Country Status (4)

Country Link
EP (1) EP3444115B1 (fr)
JP (1) JP6408170B2 (fr)
CN (1) CN107160827B (fr)
WO (1) WO2017177760A1 (fr)

Cited By (1)

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CN114379195A (zh) * 2020-10-22 2022-04-22 海德堡印刷机械股份公司 具有孪式印刷机构的印刷机和用于运行这种印刷机的方法

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DE102022115535B4 (de) * 2022-06-22 2026-03-05 Koenig & Bauer Ag Druckeinheit mit zwei Basismodulen und Non Impact Druckstelle
DE102022115536A1 (de) * 2022-06-22 2023-12-28 Koenig & Bauer Ag Druckeinheit mit Ausrichteinrichtung, Non Impact Druckstelle sowie Aushärteeinrichtung

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EP0312660A1 (fr) * 1987-10-21 1989-04-26 Komori Corporation Dispositif de fixation par aspiration pour une machine à feuilles avec mécanisme de retournement
US5598777A (en) * 1995-10-02 1997-02-04 Howard W. DeMoore Retractable printing/coating unit operable on the plate and blanket cylinders
CN1891457A (zh) * 2005-07-01 2007-01-10 高宝库国际株式会社 柔性版印刷装置及柔性版印刷方法
CN101479107A (zh) * 2006-06-23 2009-07-08 奥梅特有限公司 具有上墨条带的干燥、脱干、聚合和/或加热装置的苯胺印刷机
CN102173184A (zh) * 2011-03-08 2011-09-07 上海环野机械有限公司 窄幅卫星式柔性版印刷机
CN105196684A (zh) * 2015-10-09 2015-12-30 西安德鑫印刷机械有限公司 一种金属带状凹柔组合印刷系统及其印刷工艺

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114379195A (zh) * 2020-10-22 2022-04-22 海德堡印刷机械股份公司 具有孪式印刷机构的印刷机和用于运行这种印刷机的方法
US12030300B2 (en) 2020-10-22 2024-07-09 Heidelberger Druckmaschinen Ag Printing machine with a twin printing unit and method of operating such a printing machine

Also Published As

Publication number Publication date
JP6408170B2 (ja) 2018-10-17
EP3444115B1 (fr) 2022-03-23
CN107160827B (zh) 2020-04-14
JP2018514415A (ja) 2018-06-07
EP3444115A4 (fr) 2019-11-13
EP3444115A1 (fr) 2019-02-20
CN107160827A (zh) 2017-09-15

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