WO2014012341A1 - Integrated dual-channel digital printing device - Google Patents

Integrated dual-channel digital printing device Download PDF

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Publication number
WO2014012341A1
WO2014012341A1 PCT/CN2012/087749 CN2012087749W WO2014012341A1 WO 2014012341 A1 WO2014012341 A1 WO 2014012341A1 CN 2012087749 W CN2012087749 W CN 2012087749W WO 2014012341 A1 WO2014012341 A1 WO 2014012341A1
Authority
WO
WIPO (PCT)
Prior art keywords
paper
printing
digital
digital printing
separation
Prior art date
Application number
PCT/CN2012/087749
Other languages
French (fr)
Chinese (zh)
Inventor
李华容
Original Assignee
Li Huarong
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
Priority to CN201210266212.5A priority Critical patent/CN103568530B/en
Priority to CN201210266212.5 priority
Application filed by Li Huarong filed Critical Li Huarong
Publication of WO2014012341A1 publication Critical patent/WO2014012341A1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers, thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/48Apparatus for condensed record, tally strip, or like work using two or more papers, or sets of papers, e.g. devices for switching over from handling of copy material in sheet form to handling of copy material in continuous form and vice versa or point-of-sale printers comprising means for printing on continuous copy material, e.g. journal for tills, and on single sheets, e.g. cheques or receipts
    • B41J11/485Means for selecting a type of copy material amongst different types of copy material in the printing apparatus

Abstract

An integrated dual-channel digital printing device. The device comprises a paper separation system, a paper transport system, a digital printing system (30) for printing paper located on the paper transport system, and a paper collecting system. The paper separation system comprises a flat paper separation system (11) and a roll paper separation system (21). The paper transport system comprises a flat paper transport system (12) and a roll paper transport system (22). The paper collecting system comprises a flat paper collecting system (13) and a roll paper collecting system (23). The digital printing system (30) is disposed on a rail located between the flat paper transport system (12) and the roll paper transport system (22). The device uses a set of digital printing system for printing of flat paper and printing of roll paper; therefore, the investment cost of a printing enterprise is reduced, and a space occupied by the device is saved.

Description

 Integrated dual channel digital printing equipment

[Technical Field]

 The invention relates to a printing device, in particular to an integrated two-channel digital printing device. 【Background technique】

 At present, people's living standards are gradually improving, and there are more and more requirements for personalized packaging. When traditional printing equipment meets the requirements of group personalization and small batch packaging, the cost and delivery time are obviously at a disadvantage. Therefore, digital printing has gradually approached people's lives in recent years. There are two types of digital printing equipment in the industry: web digital printing machines and flat sheet digital printing machines. Printing companies use different digital printing equipment depending on the number of orders and the customer's process requirements. Therefore, for printing companies, in order to meet the requirements of different customers, it is necessary to separately order web and flat sheet digital printing machines, which greatly increases equipment investment. At the same time, most digital printing products are limited by post-press processing. Additional equipment such as bronzing, die-cutting, and quality inspection functions are required. The current digital printing products, such as bronzing and die-cutting, cannot be connected. It must be transferred offline to the post-process production, which also increases production costs and impacts delivery. All of the above issues have limited digital printing in product and process innovation.

[Summary of the Invention]

 SUMMARY OF THE INVENTION The object of the present invention is to solve the problems of the prior art: a digital printing machine can only use flat paper or web printing, and cannot print two types of paper, and at the same time, it is not possible to simultaneously perform hot stamping and die cutting on the printing machine. In response to the above technical problems, the present invention proposes an integrated dual channel digital printing device.

 The specific technical solutions of the present invention are as follows:

The present invention provides an integrated two-channel digital printing apparatus comprising a paper separation system, a paper feeding system, a digital printing system for printing paper on a paper feeding system, and a delivery system, characterized in that the paper separation system A sheet-fed paper separation system and a web separation system are included, the paper feeding system including a flat sheet a paper feeding system and a web conveying system, the delivery system comprising a sheet-fed delivery system and a web-receiving system, the digital printing system being disposed on a sheet-fed paper feeding system and a web On the track between the paper feeding systems.

 The digital printing system is provided with a locking mechanism for defining a resting position of the digital printing system on the track.

 The sheet-fed paper separation system includes a paper separation mechanism for separating sheets of paper, the paper separation mechanism is a bite row or a vacuum suction device, and the sheet-fed paper feeding system includes Paper conveying device.

 The sheet-fed paper separation system further includes a sheet positioning mechanism for positioning the leading end and the side end of the sheet after the sheet separating mechanism, and the positioned sheet is conveyed to the conveying device via the sheet positioning mechanism.

 The web separation system includes a paper pretreatment device for pretreating paper, the web separation system further comprising tension control means for controlling the tension of the paper during transport, the paper is pre-printed by paper After the processing device processes, it is transferred to the digital printing system for printing through the web paper feeding system.

 The apparatus further includes a post processing system, the post processing system including a digital hot gold system, the digital hot stamping system comprising a computer and a digital plate making device, the digital plate making device comprising a plurality of elongated rectangular metal strips parallel to each other, having a plurality of a metal frame with square holes and deep holes, and an electronically controlled hydraulic device. Each metal strip is inserted into the front end of each square deep hole, and each square deep hole end is connected to an electronically controlled hydraulic device through a hose, and each hose is connected. The central portion is provided with a computer-controlled switch valve, and the electronically controlled hydraulic device drives the liquid flow in the hose to drive the metal strip in the deep hole to expand and contract. The digital hot stamping system further comprises heating the protruding metal strip. heating equipment.

 The apparatus further includes a post-processing system including a digital hot stamping system, the digital hot stamping system comprising an ink printing device for printing ink graphics on an electrochemical aluminum foil, and for controlling the ink printing device in an electrochemical aluminum foil A control unit for printing ink images, a drying device for drying the ink printed on the electrochemical aluminum foil, and an anodized aluminum transfer unit for transferring the anodized aluminum coating on the anodized aluminum foil to the paper.

The ink printing device is an electronic ink printing device, the electronic ink printing device includes an optical imaging roller and a transfer ink tank, and the optical imaging roller acquires a control signal of the computer to form a stamping image The same charged image, the charged image area on the optical imaging roll adsorbs the electronic ink in the transfer ink tank to form an ink image.

 The post-processing system further includes a digital die-cutting subsystem including a control device, a laser generator for die-cutting the printed matter, and a prism for adjusting a laser projection angle, the control device for The die size of the die is required to control the beam of the laser generator and the angle of rotation of the prism.

 The apparatus also includes a detection system including light for illuminating the printed matter

An LED light source, a camera for continuously photographing a print, and a processing device, the processing device compares the pattern captured by the camera with a standard pattern to determine whether the printed pattern is acceptable.

 The beneficial technical effects of the present invention are:

 The integrated two-channel digital printing device of the invention adopts a sheet-fed paper separation system and a web paper separation system, a sheet-fed paper feeding system and a web paper feeding system, a sheet-fed delivery system and a web paper collection. The paper system is set in the same printing device, and the device shares a digital printing system for the printing of sheet paper and web paper, which reduces the investment cost of the printing enterprise and saves space occupied by the equipment.

 The integrated two-channel digital printing device of the invention completes the bronzing and die-cutting process of the post-processing process together with the printing, thereby reducing the production cycle and reducing the production cost.

 The digital bronzing device of the invention has high degree of automation, and can be used for bronzing different patterns with the digital printing device, and can meet the requirements of personalized and small batch printing and bronzing.

[Description of the Drawings]

 1 is a schematic structural view of an integrated dual-channel digital printing device according to Embodiment 1 of the present invention; FIG. 2 is a structural block diagram of an integrated dual-channel digital printing device according to Embodiment 2 of the present invention; FIG. 3 is an integrated embodiment of Embodiment 2 of the present invention; Side view of a digital plate making device in a dual channel digital printing device;

 Figure 4 is a top plan view showing a digital plate making apparatus in an integrated two-channel digital printing apparatus according to Embodiment 2 of the present invention;

5 is a structural block diagram of a digital hot stamping system in a digital printing device according to Embodiment 3 of the present invention; 6 is a schematic perspective structural view of an ink printing device in an integrated two-channel digital printing device according to Embodiment 3 of the present invention;

 Figure 7 is a block diagram showing the structure of an integrated two-channel digital printing device according to Embodiment 4 of the present invention. 【detailed description】

 The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

 Example 1

 As shown in FIG. 1, the embodiment provides an integrated two-channel digital printing device, which comprises a sheet-fed paper separation system 11, a sheet-fed paper feeding system 12, a sheet-fed delivery system 13, and a roll paper. a paper separation system 21, a web paper feed system 22, a web paper delivery system 23, and a digital printing system 30 for printing paper on a sheet-fed paper feed system and a web paper feed system, the digital The printing system includes a set of multi-color digital printers 31 and a set of tracks 32 arranged side by side. The plurality of sets of printing heads (not shown) of the digital printing machine controlled by a plurality of sets of calculations slide on the track 32, the sheet of paper The paper feeding system 12 and the web paper feeding system 22 are respectively located on both sides of the digital printing machine 31. When the printing head of the digital printing machine slides to the side of the sheet-fed paper feeding system, the printing head of the digital printing machine is located close to Paper on a sheet-fed paper feed system that prints on sheet-fed paper, and when the digital press slides to one side of the web-fed system, the print head of the digital press is close to the roll on the web system Paper, Printing on the web, when the digital printing machine slides on the track 32 and stops sliding, the locking mechanism (not shown) provided on the digital printing press slides the digital printing machine on the track. limit. Each set of print heads is sprayed in one color and can be inkjet, toner or transfer digital.

 The sheet-fed paper separation system 11 includes a paper separation mechanism 111 for separating sheets of paper, the paper separation mechanism is a bite paper row or a vacuum suction device, and the sheet-fed paper feeding system 12 includes A conveying device 121 for conveying paper.

The sheet-fed paper separation system 11 further includes a paper positioning mechanism 112 for positioning the front end and the side end of the paper after the paper separation mechanism 111, and the positioned paper is conveyed by the paper positioning mechanism 112. Transfer to the conveyor. The paper separating mechanism 111 separates the sheets of paper on the stack at a time, and successively transfers the sheets in sequence. Each sheet of paper separated by the sheet separating mechanism 111 is first transferred from the conveying device 121 to the positioning mechanism 112, and after the positioning mechanism 112 positions the sheet, it is continuously conveyed by the conveying device 121.

 The web separation system 21 includes a paper pretreatment device 211 for pretreating paper, the pretreatment of the paper including corona treatment and gravure coating varnish treatment, and may also include pretreatment, such as : Corona, electric spark, dust removal and surface precoating. The web separation system 21 also includes tension control means 212 for controlling the tension of the paper during transport. The paper is processed by the paper pretreatment apparatus 212 and then conveyed to the digital printing system 30 by the web transfer system 22. Printed. The web is conveyed throughout the digital printing device and is completed by tension control device 212. The web paper feed system 22 includes a plurality of circular rubber rollers (not shown) for powering the web transport.

 The sheet feeding system 13 of the sheet-fed paper includes a delivery tray 131, and the sheets conveyed from the web of the sheet-fed paper feeding system 12 are transferred to the delivery tray 131 for storage, and are stored and placed neatly. The web delivery system 23 includes a round bar 231 for receiving paper. Example 2

This embodiment provides another integrated dual-channel digital printing device on the basis of the above embodiments. As shown in FIGS. 2, 3 and 4, the device includes the sheet-fed separation paper described in the above embodiment 1. The system 11, the sheet-fed paper feeding system 12, the sheet-fed delivery system 13, the web separation system 21, the web-paper conveying system 22, the web-receiving system 23, and the pair of sheet-fed paper feeds The system and the digital printing system 30 for printing on the web of the web transport system further includes a post-processing system 40 disposed after the digital printing system, after the digital printing system has finished printing the paper Finish the post-processing of the paper. The post-processing system includes a digital hot stamping system 41. The digital hot stamping system 41 includes a computer 411 and a digital plate making device 412. The digital plate making device 412 includes a plurality of elongated rectangular metal strips 4121 that are parallel to each other. a plurality of square metal frames 4122 and electronically controlled hydraulic devices 4123 arranged in a network shape deep hole 41221, each metal strip 4121 is inserted into the front end of each square deep hole 41221, and the square deep hole tail ends are connected by a hose 4125. Electronic control The hydraulic device 4123 is provided with a computer-controlled switch valve 4124 in the middle of each hose, and the switch of each valve is controlled by the computer 411 to control the expansion and contraction of the metal strips in the deep hole 41221 connected to different hoses, different metal strips. The telescopic shape forms a different shape, and the same metal strip combination shape as the bronzing pattern can be formed by computer control. The metal strip has a square shape with a side length of 0.1 mm, the metal strip has a length of 10 cm, the deep hole has a depth of 12 cm, and the metal strip has a length of 0.5 cm. The metal strip is preferably made of copper or aluminum. magnesium alloy. The computer 411 obtains a pattern requiring bronzing, the pattern may be the same as the printed pattern, or may be different from the printed pattern, and then the computer controls the opening and closing of the opening and closing valves disposed in the middle of the different hoses, and injects into the deep holes through the electronically controlled hydraulic device 4123. Liquid, and due to the opening and closing of the switch valve in the middle of the hose, the metal strips in different deep holes are extended, and the bronzing plate of the extended metal strip is the same as the hot stamping pattern, through the electronically controlled hydraulic device 4123 fixes the liquid pressure in the deep hole to form a fixed position for the telescopic position of the metal strip. When the metal strip needs to be reset, the computer controls all of the opening and closing valves to open, and the electronically controlled hydraulic device 4123 draws the liquid out of the deep hole until all the metal strips are contracted to the same length.

 The digital hot stamping system 41 also includes a heating device 413 for heating the extended metal strip to meet the needs of the bronzing process.

 After the printing of the paper is completed, the digital plate making device 412 is entered, and the bronzing plate is automatically controlled by the computer 411 to automatically form a bronzing plate. The heating device 413 heats the metal strip forming the bronzing plate, and after heating to a certain temperature, the bronzing process is performed, due to different metal strips. 4121 telescopic can form different bronzing plates, so you can carry out continuous changing bronzing work to meet individual needs, and you can continue to bronzing work.

 The post-processing system 40 further includes a digital die-cutting subsystem 42 including a control device 421, a laser generator 422 for die-cutting the printed matter, and a prism 423 for adjusting the laser projection angle. The control unit 421 is configured to control the beam of the laser generator 422 and the angle of rotation of the prism 423 as needed for die cutting. The wired digital die cutting solves the problem of cumbersome and inefficient mechanical die cutting process. Example 3

Different from Embodiment 2, as shown in Figs. 5 and 6, the digital hot stamping system 41 of this embodiment. The invention comprises an ink printing device 414 for printing ink images on an electrochemical aluminum foil, a control unit 415 for controlling ink printing on an electrochemical aluminum foil, and a drying method for drying the ink printed on the electrochemical aluminum foil. Apparatus 416 and an anodized aluminum transfer unit 417 for transferring an anodized aluminum coating on the anodized aluminum foil to the paper.

 The ink printing device 414 is an electronic ink printing device including an optical imaging roller 4141 and a transfer ink tank 4142, and the optical imaging roller 4141 acquires a control signal of the control unit 415 to form the same charging as the bronzing graphic. In the figure, the charged image area on the optical imaging roller adsorbs the electronic ink in the transfer ink tank to form an ink image. The ink image on the optical imaging roller is transferred to the electrochemical aluminum foil by the action of the electrochemical aluminum transfer unit 417, and then the electronic ink is cured, so that the electrochemical aluminum foil is combined with the paper, and then the electrochemical aluminum foil is peeled off to make the electronic ink printed. The electrochemical aluminum foil is bonded to the paper, and the electrochemical aluminum that is not printed with the electronic ink is separated from the paper, and then dried to complete the digital bronzing process.

 In this embodiment, except that the digital hot stamping system 41 is different from the second embodiment, the components of the second embodiment are used for other components. According to the structural features of the digital hot stamping system of the embodiment, the integrated dual-channel digital printing device of the embodiment is used. The mechanism is also adjusted accordingly, and the technique of adjustment is familiar to those skilled in the art, and details are not described herein. Example 4

 On the basis of the above-mentioned Embodiment 2 or Embodiment 3, as shown in FIG. 7, the integrated dual-channel digital printing apparatus of the present embodiment further includes a detecting system 50, and the detecting system 50 includes light for printing the printed matter. The illuminated LED light source 51, the camera 52 for continuously taking pictures of the printed matter, and the processing device 53, the processing device 53 compares the pattern captured by the camera with the standard pattern, and determines whether the printed pattern is acceptable.

The product is continuously scanned by the camera and compared with the standard samples in the system to detect the finished product. The inspection system can detect defects at the first time and inspect and record print defects. When the set defect value exceeds the set threshold, the alarm informs the operator, and can choose to dock with the connected marking machine, and the output signal marks the defective product. On-line inspection system can reduce the number of waste products, reduce production costs, and play a role in controlling production quality. The device of the invention can arrange a plurality of post-processing functions in order of upstream and downstream according to actual production requirements, and complete synchronous production of various processes. The device and the method of the utility model realize the single tube, convenient operation, and can be adapted to high-speed operation, and at the same time save the time of multiple production and processing in the post-process, and improve the overall production efficiency and economic benefit. The sheet of paper used in the integrated dual channel digital device of the present invention may be any flexible or rigid material in the form of a single sheet, including but not limited to paper such as metal, non-metal, glass, wood, tile, and the like. The web used, including but not limited to paper, can be any material that can be transported by curl, such as: film, thin metal, chemically synthesized materials, and the like. The above embodiments are only used to illustrate the technical solutions of the present invention, and the present invention is not limited thereto. Although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or substituted. The spirit and scope of the present invention should be construed as being included in the scope of the appended claims.

Claims

1 . An integrated two-channel digital printing device, comprising: a paper separation system, a paper feeding system, a digital printing system for printing paper on a paper feeding system, and a delivery system, wherein the paper separation system comprises a sheet-fed paper separation system and a web separation system, the paper feeding system comprising a sheet-fed paper conveying system and a web conveying system, the delivery system comprising a sheet-fed delivery system and a web A delivery system that is disposed on a track between a sheet-fed paper feed system and a web transport system.
 2. An integrated two-channel digital printing apparatus according to any of the preceding claims, wherein said digital printing system is provided with a locking mechanism for defining a resting position of the digital printing system on the track.
 The integrated two-channel digital printing apparatus according to claim 1 or 2, wherein the sheet-fed paper separation system includes a paper separation mechanism for separating sheets of paper, the paper separation mechanism The package is a bite row or vacuum suction device that includes a conveyor for conveying the paper.
 4. The integrated two-channel digital printing apparatus according to claim 3, wherein the sheet-fed paper separation system further comprises paper for positioning the front end and the side end of the paper after being disposed in the paper separation mechanism. The positioning mechanism, the positioned paper is conveyed to the conveying device via the paper positioning mechanism.
 5. The integrated two-channel digital printing apparatus according to claim 1, wherein said web separation system comprises a paper pretreatment apparatus for pretreating paper, said web separation The system also includes tension control means for controlling the tension of the paper during transport, the paper being processed by the paper pretreatment device and then transported to the digital printing system for printing by the web transfer system.
6. The integrated two-channel digital printing apparatus according to claim 1, further comprising a post-processing system, the post-processing system comprising a digital hot gold system, the digital hot gold system comprising a computer and a digital plate making system The device, the digital plate making device comprises a plurality of parallel elongated metal strips, a metal frame having a plurality of square holes arranged in a grid, and an electronically controlled hydraulic device, wherein the metal strips are inserted into the front ends of the square deep holes. The inner end of each square deep hole is connected to an electronically controlled hydraulic device through a hose. The central part of each hose is provided with a computer-controlled switch valve. The electronically controlled hydraulic device drives the liquid flow in the hose to drive the metal strip located in the deep hole. The telescoping system further includes a heating device for heating the extended metal strip.
7. The integrated dual channel digital printing apparatus according to claim 1, further comprising a post processing system, the post processing system comprising a digital hot gold system, the digital hot gold system comprising An ink printing device for printing ink on an electro-aluminum foil, a control unit for controlling an ink printing device in an electro-aluminum foil printing ink, a drying device for drying an ink printed on an electrochemical aluminum foil, and for using an aluminum foil The electrochemical aluminum coating is transferred to the anodized aluminum transfer unit on the paper.
 8. The integrated two-channel digital printing apparatus according to claim 7, wherein the ink printing device is an electronic ink printing device, the electronic ink printing device comprising an optical imaging roller and a transfer ink tank, the optical The imaging roller acquires a control signal from the computer to form a charged image identical to the bronzing image, and the charged image region on the optical imaging roller adsorbs the electronic ink in the transfer ink tank to form an ink image.
 The integrated dual-channel digital printing device according to any one of claims 6-8, wherein the post-processing system further comprises a digital die-cutting subsystem, the digital die-cutting subsystem comprising a control device, The print is subjected to die-cutting of a laser generator and a prism for adjusting the angle of projection of the laser, the control means for controlling the beam of the laser generator and the angle of rotation of the prism according to the size of the die to be die-cut.
 10. The integrated two-channel digital printing apparatus according to claim 9, further comprising a detection system, wherein the detection system comprises an LED light source for illuminating the printed matter, for continuously printing the printed matter The camera and the processing device intermittently take pictures, and the processing device compares the pattern captured by the camera with a standard pattern to determine whether the printed pattern is acceptable.
PCT/CN2012/087749 2012-07-19 2012-12-28 Integrated dual-channel digital printing device WO2014012341A1 (en)

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Application Number Priority Date Filing Date Title
CN201210266212.5A CN103568530B (en) 2012-07-19 2012-07-19 Integration two channels digital printing equipment
CN201210266212.5 2012-07-19

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