WO2012055366A1 - 可变数据条码的打印方法和装置 - Google Patents

可变数据条码的打印方法和装置 Download PDF

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Publication number
WO2012055366A1
WO2012055366A1 PCT/CN2011/081417 CN2011081417W WO2012055366A1 WO 2012055366 A1 WO2012055366 A1 WO 2012055366A1 CN 2011081417 W CN2011081417 W CN 2011081417W WO 2012055366 A1 WO2012055366 A1 WO 2012055366A1
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WIPO (PCT)
Prior art keywords
barcode
data
medium
variable data
database
Prior art date
Application number
PCT/CN2011/081417
Other languages
English (en)
French (fr)
Inventor
刘小威
刘志红
Original Assignee
北大方正集团有限公司
北京大学
北京北大方正电子有限公司
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.)
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Application filed by 北大方正集团有限公司, 北京大学, 北京北大方正电子有限公司 filed Critical 北大方正集团有限公司
Priority to JP2013535270A priority Critical patent/JP5865378B2/ja
Priority to EP11835639.3A priority patent/EP2634001A4/en
Priority to US13/882,474 priority patent/US20140009552A1/en
Publication of WO2012055366A1 publication Critical patent/WO2012055366A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/01Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for special character, e.g. for Chinese characters or barcodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters 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
    • B41J2/01Ink jet
    • B41J2/21Ink jet for multi-colour printing
    • B41J2/2132Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
    • B41J2/2142Detection of malfunctioning nozzles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/38Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
    • B41J29/393Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J29/00Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
    • B41J29/46Applications of alarms, e.g. responsive to approach of end of line
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K5/00Methods or arrangements for verifying the correctness of markings on a record carrier; Column detection devices
    • G06K5/02Methods or arrangements for verifying the correctness of markings on a record carrier; Column detection devices the verifying forming a part of the marking action

Definitions

  • the present invention relates to the field of printing, and in particular to a printing method and apparatus for variable data barcodes. Background technique
  • Inkjet digital printing is a printing technology that has been rapidly developed in recent years. It processes data directly and then ejects ink to achieve printing. This feature makes it easy and easy to print variable data, with the advantages and speeds that traditional printing can't.
  • the printing of variable barcodes which requires the printing of unique barcodes on each product, is a prominent application of the technology (such as electronic surveillance codes on food and drug packaging).
  • variable data barcodes (1) Each qualifying product must be printed with a bar code. (2) The barcode printed on each qualifying product must be the required barcode. (3) The barcode on each qualifying product must be unique and cannot be duplicated with the barcode on other products.
  • the present invention is directed to a method and apparatus for printing variable data barcodes to solve the problem of quality detection of printed variable data barcodes.
  • a method for printing a variable data barcode comprising: an inkjet printing device printing a variable data barcode corresponding to a first barcode data on a medium (eg, paper); The medium is transferred to the detection area; the online detection device scans the variable data barcode on the medium in the detection area to obtain the second barcode data; compares the second barcode data with the first barcode data, and if not, alarms.
  • a medium eg, paper
  • variable data barcode printing apparatus comprising: an inkjet printing apparatus, configured to print variable data corresponding to the first barcode data on the medium a bar code; a transmission device for transmitting the medium into the detection area; an online detection device for scanning the variable data bar code on the medium in the detection area to obtain the second bar code data; the first judging module, for the second The bar code data is compared with the first bar code data, and if they are inconsistent, an alarm is issued.
  • variable data barcode printing method and apparatus of the above embodiment of the present invention adopts an online detecting device to perform online detection on a variable data barcode, thereby overcoming the problem that the prior art printing defective rate is high, and the variable data is improved.
  • FIG. 1 is a flow chart showing a printing method of a variable data barcode according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a database in accordance with a preferred embodiment of the present invention
  • FIG. 3 is a flow chart showing a method of printing a variable data barcode in accordance with a preferred embodiment of the present invention
  • Figure 4 is a diagram showing a printing apparatus of a variable data barcode according to an embodiment of the present invention.
  • Fig. 5 is a diagram showing a printing apparatus of a variable data barcode according to a preferred embodiment of the present invention. detailed description
  • FIG. 1 is a flow chart showing a method of printing a variable data barcode according to an embodiment of the present invention, including:
  • Step S10 the inkjet printing device prints a variable data barcode corresponding to the first barcode data on the medium
  • Step S20 transmitting the medium to the detection area through the transmission device
  • Step S30 the online detecting device scans the variable data barcode on the medium in the detection area. Obtaining the second barcode data;
  • Step S40 comparing the second barcode data with the first barcode data, and if not, alarming.
  • the effect of improving the print yield of the variable data barcode is achieved.
  • the existing inspection program will stop after detecting unqualified prints, which will affect the overall production efficiency.
  • the method performs an alarm after detecting a product of unqualified quality, rather than directly stopping the machine, which does not seriously affect production.
  • the printing method further comprises at least one of the following steps:
  • Determining whether the second barcode data is in the second database if in the second database, determining that the variable data barcode has a re-code, and alarming, displaying an identifier of two media of the re-code when the alarm is performed, wherein the second database includes all The first barcode data that has been printed.
  • the first database and the second database are provided in the preferred embodiment.
  • the first database is used to store all the barcode data that needs to be printed. When the detected second barcode data is not in the first database, it is obvious that the corresponding variable data barcode is a bad code.
  • the second database is used to store the historical data that has been printed. When the detected second barcode data is in the second database, it is apparent that the corresponding variable data barcode is a duplicate code.
  • the number of general barcode data is fixed (for example, three variable data barcodes should be printed on each medium), and it is determined whether the number of the second barcode data reaches the fixed number (ie, 3), thereby Determine if a blank code appears.
  • the null code, the heavy code, and the bad code are not allowed.
  • the preferred embodiment can detect the defective products in time by detecting the three conditions.
  • the on-line inspection equipment detects the bar code quality immediately after inkjet printing. If it is found that the printed bar code does not meet the above three requirements, it will immediately alarm and notify the printing enterprise to process it in time. In addition, it can be implemented in the specific process The machine does not stop immediately, so as to effectively ensure the production efficiency of the printing enterprise.
  • 201 is a database of all barcode data that needs to be printed on the product, that is, the first database, the online detection device and the inkjet printing device use the database; 203 is the first barcode data printed on the latest product (media) of the inkjet printing device; 204 is the second barcode data scanned by the online detection device on the latest product (media); 202 is all the passes stored by the online detection device The online detection device scans the obtained historical data database, that is, the second database.
  • the printing method further comprises: the online detecting device acquiring the first barcode data from the inkjet printing device via the Ethernet.
  • Ethernet is a relatively mature data transmission device, and can be implemented by various switches and network cables, or wireless devices, etc., and the preferred embodiment achieves a single operation, and the cost is low.
  • the printing method further includes: after detecting that the medium enters the detection area by the first photoelectric switch, performing a step of the variable data barcode on the online detection device scanning the medium to obtain the second barcode data; detecting the medium by the second photoelectric switch After leaving the detection area, the step of ending the variable data barcode on the online detection device scanning medium to obtain the second barcode data is completed.
  • the photo-electric switch determines whether the medium is in the proper detection area, so that the online detection device can be triggered to scan correctly, reducing missed detection and false detection.
  • the printing method further comprises: displaying the identification of the medium during the alarm.
  • the product identification page number
  • the printing company can easily pick out the defective products through the logo on the medium product. At the same time, it will not reduce production efficiency.
  • FIG. 3 is a flow chart showing a method of printing a variable data barcode according to a preferred embodiment of the present invention, including four stages, job configuration, job start, job run, and job end.
  • the job configuration phase includes two parts, an inkjet printing device initialization configuration 301 and an online detection device initialization configuration 302.
  • Step 301 inkjet printing device initialization configuration Before the inkjet printing, the printing enterprise may first load the barcode data (usually txt text data or other format data) that needs to be printed into the control software of the inkjet printing device. Go, in order to ensure the security of barcode data Sex, the control software will check if the loaded barcode has a re-code, if it stops loading immediately, and give a warning. If the data check is normal, a unique identification (page number) is generated for the barcode data on each product for use by the online inspection device.
  • barcode data usually txt text data or other format data
  • Step 302 Initiating the device initial configuration: The configuration can be performed after the completion of 301.
  • the online detecting device and the inkjet printing device communicate through the Ethernet, and the number of the used nozzles and the number of barcodes printed by each nozzle can be known.
  • Determine the configuration of the online inspection equipment that needs to be used for example, using an industrial scan code gun to implement online inspection equipment, the number of industrial scanners), and the number of barcode scanners that each scanner needs to scan, and then configure this information to Corresponding industrial scan code gun.
  • the online detection device can know the identifier (page number) corresponding to each variable barcode, and then configure the online detection control software according to the information, so that the defective product can be selected for subsequent use.
  • the start phase of the work consists of two parts, starting the online detecting device 303 and the inkjet printing device to start printing the barcode 304.
  • Step 303 Start the online detection device: After completing the previous job configuration, enter the job start phase.
  • the online inspection device is first activated. This process is controlled by the control software on the inkjet printing device, while the green light of the warning light (ie, alarm device) 101 in Figure 1 is illuminated, indicating that the online detection system is running.
  • the warning light ie, alarm device
  • Step 304 The inkjet printing device begins printing the barcode: After completing step 303, the printing device begins bar code printing.
  • Step (3) The operation phase of the operation consists of three parts: the online detection device starts to detect 305, the alarm light is only alarmed 306, and the defective product 307 is selected.
  • the inkjet printing device After completing the start of the job, entering the job run phase, the inkjet printing device begins to print the bar code while the online inspection device begins to detect.
  • the online testing equipment obtains the scanned bar code data from the industrial scanning code gun in real time, and obtains the printed bar code data from the inkjet printing device in real time, and then compares and analyzes the two, if there is a null code, a bad code, a heavy code, The alarm is immediately sent, and the printing company is informed by the indicator light and the buzzer.
  • the online testing device will also display the product identification (page number) where the current unqualified barcode is located.
  • the media identification (page number) of the product can be confirmed, and the empty code, bad code, and heavy code appearing on the product can display the media identification (page number).
  • the generated re-code also shows the media identifier (page number) where the code was detected when the first skin was detected.
  • N is the identifier (page number) corresponding to the product that can be identified from the product.
  • M is the number of times that cannot be correctly identified (that is, after a product is correctly identified, consecutive M products cannot be correctly identified) , from 0 to the top up. Once the product is correctly identified (page number), the M value is cleared.
  • the job stop phase consists of two parts: the inkjet device stops printing the barcode 308 and closes the online detection device 309.
  • FIG. 4 is a diagram showing a printing apparatus of a variable data barcode according to an embodiment of the present invention, including:
  • An inkjet printing device 10 configured to print a variable data barcode corresponding to the first barcode data on the medium
  • a transmission device 20 configured to transfer the medium into the detection area
  • the online detecting device 30 is configured to scan a variable data barcode on the medium in the detection area to obtain second barcode data;
  • the first determining module 40 is configured to compare the second barcode data with the first barcode data, and if not, alarm.
  • the printing apparatus further comprises at least one of the following modules:
  • a second determining module configured to determine whether the length of the second barcode data is less than a preset value, and if yes, consider that the variable data barcode has a null code
  • a third determining module configured to determine whether the second bar code data is in the first database, if not in the first database, the variable data bar code is considered to have a bad code, wherein the first database includes all the first bar code data that needs to be printed;
  • a fourth judging module configured to determine whether the second bar code data is in the second database, if in the second database, the variable data bar code is considered to have a re-code, and when the alarm is displayed, the identifiers of the two media of the re-code are displayed,
  • the second database contains all the first barcode data that has been printed.
  • the null code, the heavy code, and the bad code are not allowed.
  • the preferred embodiment detects the defective products in time by detecting the three conditions.
  • the printing apparatus further comprises: an Ethernet for transmitting the first bar code data from the inkjet printing device to the inline detecting device.
  • the printing apparatus further comprises: a first photoelectric switch for detecting whether the medium enters the detection area; and a second photoelectric switch for detecting whether the medium leaves the detection area.
  • the photo-electric switch determines whether the medium is in the proper detection area, so that the online detection device can be triggered to scan correctly, reducing missed detection and false detection.
  • the printing apparatus further comprises: a display for displaying the identification of the medium at the time of the alarm.
  • a display for displaying the identification of the medium at the time of the alarm.
  • the product identification page number
  • the printing company can easily pick out the defective products through the logo on the medium product. At the same time, it will not reduce production efficiency.
  • FIG. 5 is a schematic diagram showing a printing apparatus of a variable data barcode according to a preferred embodiment of the present invention, comprising: 101 is an industrial alarm light (ie, an alarm device), and includes three indicator lights of green, red, and yellow, and a buzzer.
  • 101 is an industrial alarm light (ie, an alarm device), and includes three indicator lights of green, red, and yellow, and a buzzer.
  • 102 is an online detecting device, comprising: an industrial scanner 105 and its cable 109, the display is for the printing enterprise to view relevant information; 103 is an Ethernet connecting the inkjet printing device and the online detecting device; 104 is an inkjet printing device; 106 after inkjet printing; 107 is a belt moving from right to left (ie, conveyor), the belt is sucked by the suction product (medium) to move; 108 is the product in the online detection area; On-line detection device photoelectric switch; 112 is a nozzle controlled by printing equipment; 113 is nozzle spray The ink droplets ejected; 114 is the product in the inkjet printing area; 113 is the bar code data transmitted by the industrial scanner after being scanned into the in-line detecting device; 114 is the bar code data just printed by the inkjet printing device.
  • the medium 114 is on the belt 107.
  • the head 112 ejects ink droplets 113 under the control of the inkjet printing apparatus 104, and falls onto the medium 114 to form a barcode.
  • the printed medium continues to move to the left to reach the 108 position, and the online detecting device detects that the product enters the scanning area through the photoelectric switch 110, then performs barcode scanning by the industrial scanning code gun 105, and transmits the scanned data 109 to the online detecting device. Go in 102.
  • the online detecting device 102 retrieves the bar code data 111 just printed from the inkjet printing device 104 via the Ethernet 103.
  • the photoelectric switch 109 detects that the medium leaves the detection area, it is considered that the barcode of the product is scanned, and then the two data are compared and analyzed to detect whether the quality of the barcode that has just been printed is qualified. If it is unqualified, the alarm light 101 is used to prompt. Printing company.
  • the bar code data 204 is scanned for each scan. If a bad code or a null code is found, the alarm lamp 101 is yellow and the buzzer is alarmed; if a re-code is found, the alarm lamp 101 is red. Bright, buzzer alarm, and long beep time, to prompt the user to deal with it in time.
  • the online inspection equipment When the online inspection equipment detects a problem with the bar code quality, it promptly alerts the printing enterprise, but does not stop immediately because it will reduce production efficiency.
  • the inkjet printing device 104 generates a unique product identification (page number) for the variable data barcode to be printed on each product prior to inkjet printing, the identification being sequentially incremented, and then printed on the non-product area of the medium. .
  • the identification is passed to the online detection device via Ethernet.
  • the product identification (page number) corresponding to these unqualified barcodes is displayed. According to this prompt, the printing company can easily pick out the defective products through the logo on the medium product. At the same time, it will not reduce production efficiency.
  • the present invention has no limitation on the number of industrial scanners used. Increasing the number of scanners requires only the initialization of the cartridge in the software to add the scanner to the online inspection system.
  • the above-described embodiment of the present invention improves the print yield of variable data barcodes.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
  • they may be implemented by program code executable by the computing device so that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or Multiple modules or steps are made into a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Ink Jet (AREA)
  • Record Information Processing For Printing (AREA)
  • Printers Characterized By Their Purpose (AREA)

Description

可变数据条码的打印方法和装置 技术领域
本发明涉及印刷领域, 具体而言, 涉及可变数据条码的打印方法和 装置。 背景技术
喷墨数码印刷是近年来高速发展的一项印刷技术, 它将数据直接处 理然后进行喷墨, 从而来达到印刷的目的。 利用该特点可以很方便容易 地实现可变数据的打印, 有着传统印刷不能企及的优点和快捷。 可变条 码的印刷, 即要求在每一个产品上打印上唯一的条码, 是该项技术的一 个 4艮突出的应用 (如食品药品包装盒上的电子监管码)。
在这项应用中, 对可变数据条码的质量和安全性有很高的要求: ( 1 ) 每个合格产品都必须打印上条码。 (2 )每个合格产品上打印出来的条码 必须是所要求的条码。 (3 )每个合格产品上的条码都必须是唯一的, 不 能和其他产品上的条码重复。
发明人发现, 现有技术中通常是打印可变数据条码之后, 对印刷品 进行质量检测。 由于现有技术不是实时检测, 导致印刷错误不能及时制 止, 从而有可能产生大量次品。 发明内容
本发明旨在提供一种可变数据条码的打印方法和装置, 以解决打印 可变数据条码的质量检测问题。
在本发明的实施例中, 提供了一种可变数据条码的打印方法, 包括: 喷墨印刷设备在介质 (例如纸张)上印刷与第一条码数据对应的可变数 据条码; 通过传动装置将介质传送到检测区域中; 在线检测设备在检测 区域中扫描介质上的可变数据条码, 得到第二条码数据; 将第二条码数 据与第一条码数据进行比较, 如果不一致, 则报警。
在本发明的实施例中, 还提供了一种可变数据条码的打印装置, 包 括: 喷墨印刷设备, 用于在介质上印刷与第一条码数据对应的可变数据 条码; 传动装置, 用于将介质传送到检测区域中; 在线检测设备, 用于 在检测区域中扫描介质上的可变数据条码, 得到第二条码数据; 第一判 断模块, 用于将第二条码数据与第一条码数据进行比较, 如果不一致, 则报警。
本发明上述实施例的可变数据条码的打印方法和装置采用了在线检 测设备对可变数据条码进行在线检测, 所以克服了现有技术印刷次品率 较高的问题, 达到了提高可变数据条码的打印合格率的效果。 附图说明
此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的 一部分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对 本发明的不当限定。 在附图中:
图 1示出了根据本发明一个实施例的可变数据条码的打印方法的流 程图;
图 2示出了根据本发明一个优选实施例的数据库的示意图; 图 3示出了根据本发明一个优选实施例的可变数据条码的打印方法 的流程图;
图 4示出了根据本发明一个实施例的可变数据条码的打印装置的示 意图;
图 5示出了根据本发明一个优选实施例的可变数据条码的打印装置 的示意图。 具体实施方式
下面将参考附图并结合实施例, 来详细说明本发明。
图 1示出了根据本发明一个实施例的可变数据条码的打印方法的流 程图, 包括:
步骤 S10, 喷墨印刷设备在介质上印刷与第一条码数据对应的可变 数据条码;
步骤 S20, 通过传动装置将介质传送到检测区域中;
步骤 S30, 在线检测设备在检测区域中扫描介质上的可变数据条码, 得到第二条码数据;
步骤 S40, 将第二条码数据与第一条码数据进行比较, 如果不一致, 则报警。 以克服了现有技术中非实时检测导致次品率较高的问题, 达到了提高可 变数据条码的打印合格率的效果。 另外, 现有检测方案在检测出来质量 不合格的印刷品之后会停机, 这样影响整体的生产效率。 而本方法在检 测出来质量不合格产品之后进行报警, 而不是直接停机, 这样不会严重 影响生产。
优选地, 本打印方法还包括以下至少一个步骤:
判断第二条码数据的个数是否少于预设值, 如果是, 则认为可变数 据条码出现空码, 并报警;
判断第二条码数据是否在第一数据库中, 如果不在第一数据库中, 则认为可变数据条码出现坏码, 并报警, 其中第一数据库包含所有需要 打印的第一条码数据;
判断第二条码数据中是否在第二数据库中, 如果在第二数据库中, 则认为可变数据条码出现重码, 并报警, 在报警时显示重码的两个介质 的标识, 其中第二数据库包含所有打印过的第一条码数据。
本优选实施例中设置了第一数据库和第二数据库。 其中第一数据库 用于保存所有需要打印的条码数据, 当检测的第二条码数据不在第一数 据库中, 显然对应的可变数据条码是坏码。 第二数据库用于保存已经打 印过的历史数据, 当检测的第二条码数据在第二数据库中, 显然对应的 可变数据条码是重码。
另外, 一般条码数据的个数是固定的 (例如每张介质上应该打印 3 个可变数据条码),通过判断第二条码数据的个数是否达到了该固定的个 数(即 3 ), 从而确定是否出现空码。
空码、 重码和坏码都是不允许的, 本优选实施例通过对这三种情况 进行检测, 可以及时地检测出次品。 在线检测设备在喷墨印刷之后立即 对条码质量进行检测, 如果发现印刷出来的条码不符合以上三个要求, 则立即报警, 通知印刷企业及时进行处理。 另外, 可以在具体实施过程 中不立即停机, 以有效保证印刷企业的生产效率。
图 2示出了根据本发明一个优选实施例的数据库的示意图, 201是 产品上所需要打印的所有条码数据的数据库, 即第一数据库, 在线检测 设备和喷墨印刷设备都会用到该数据库; 203 是喷墨打印设备最近一个 产品 (介质)上面打印的第一条码数据; 204是最近一个产品 (介质) 上面通过在线检测设备扫描到的第二条码数据; 202是在线检测设备存 储的所有通过在线检测设备扫描得到的历史数据的数据库, 即第二数据 库。
优选地, 本打印方法还包括: 在线检测设备通过以太网从喷墨印刷 设备获取第一条码数据。 以太网是比较成熟的数据传输设备, 可以通过 各种交换机和网线、 或无线设备等搭配连接实现, 本优选实施例实现筒 单, 成本较低。
优选地, 本打印方法还包括: 通过第一光电开关检测到介质进入检 测区域后, 执行在线检测设备扫描介质上的可变数据条码得到第二条码 数据的步骤; 通过第二光电开关检测到介质离开检测区域后, 结束在线 检测设备扫描介质上的可变数据条码得到第二条码数据的步骤。 通过光 电开关确定介质是否处于合适的检测区域, 从而可以正确地触发在线检 测设备进行扫描, 减少漏检和误检。
优选地, 本打印方法还包括: 在 警时显示介质的标识。 检测的时 候, 如果检测到空码、 坏码以及重码的时候, 显示出这些不合格条码对 应的产品标识(页码), 按照这个提示, 印刷企业很容易通过介质产品上 的标识挑出次品, 同时又不会降低生产效率。
图 3示出了根据本发明一个优选实施例的可变数据条码的打印方法 的流程图, 包括四个阶段, 作业配置、 作业开始、 作业运行以及作业结 束。
( 1 )作业配置阶段包括两个部分, 喷墨印刷设备初始化配置 301和 在线检测设备初始化配置 302。
步骤 301喷墨印刷设备初始化配置: 印刷企业在喷墨印刷之前, 可 以先将需要打印的条码数据 (一般是 txt文本数据, 也可以是其他格式的 数据)加载到喷墨印刷设备的控制软件中去, 为了保证条码数据的安全 性, 此时控制软件会检查所加载的条码是否有重码, 如果有立即停止加 载, 并给出警告提示。 如果数据检查正常, 则为每个产品上的条码数据 产生唯一标识(页码 ), 供在线检测设备使用。
步骤 302在线检测设备初始化配置: 该配置可以在 301完成之后进 行, 在线检测设备和喷墨印刷设备通过以太网进行通讯, 可以知道使用 喷头的数量、 每个喷头打印的条码个数, 通过这些可以判断出需要使用 的在线检测设备的配置(例如采用工业扫码枪实现在线检测设备, 工业 扫码枪个数), 以及每个扫码枪需要扫描条码的个数, 然后再将这些信息 配置到相应的工业扫码枪中。
同时, 通过以太网通讯, 在线检测设备可以知道每个可变条码对应 的标识(页码), 然后根据这些信息配置到在线检测控制软件, 以供后续 才艮警时挑选次品用。
( 2 )作业开始阶段包括两个部分, 启动在线检测设备 303和喷墨印 刷设备开始印刷条码 304。
步骤 303启动在线检测设备: 完成前面的作业配置之后, 进入作业 开始阶段。 首先启动在线检测设备, 这个过程是通过喷墨印刷设备上中 控制软件来进行控制, 同时附图一中的报警灯(即报警装置) 101 绿色 段点亮, 指示在线检测系统正在运行中。
步骤 304喷墨印刷设备开始印刷条码: 完成步骤 303后, 印刷设备 开始进行条码印刷。
这两个阶段顺序应该联动起来, 通过印刷设备控制软件来实现, 否 则会出现条码已经开始印刷, 但是在线检测设备没有开启, 造成印刷出 来的条码没有得到及时的检测, 给最终产品的质量带来隐患。
步骤( 3 )作业运行阶段包括三个部分: 在线检测设备开始检测 305、 才艮警灯才艮警 306、 挑出次品 307。
完成作业开始阶段之后, 进入作业运行阶段, 喷墨印刷设备开始印 刷条码, 同时在线检测设备开始检测。 检测过程中, 在线检测设备会实 时从工业扫码枪获取扫描条码数据, 以及从喷墨印刷设备实时获取印刷 条码数据, 然后对两者进行对比分析, 如果发现有空码、 坏码、 重码, 则立即进行报警, 通过指示灯和蜂鸣器来告知印刷企业。 同时, 在线检测设备的也会显示出当前不合格条码所在的产品标识 (页码)。 只要该产品上有一个条码能够被正确检测出来, 即能确认该产 品的介质标识(页码), 则该产品上出现的空码、 坏码、 重码都能显示出 所在的介质标识(页码)。 同时, 出现的重码, 还显示出该码第一次皮检 测出来时所在的介质标识(页码)。
如果该产品 (介质)上没有打印上条码或者所有条码没有被正确检 测出来, 则说明该产品 (介质)上存在空码, 且该产品的标识(页码) 标记为 "N+M"。 其中 N为离该产品最近一张能被识别的产品所对应的 标识(页码 ) , M值为不能正确识别的次数(即正确识别出一张产品之后, 连续 M张产品都不能被正确识别 ), 从 0依次往上递增。 一旦产品能被 正确识别出标识(页码), M值清零。
通过这种方法, 由于每个产品上都有唯一的标识, 所以找出有问题 的产品 ί艮筒单, 同时在出现不合格产品的时候不用立即停机, 有效保证 了生产效率。
( 4 )作业停止阶段包括两个部分: 喷墨设备停止印刷条码 308和关 闭在线检测设备 309。
当所有条码印刷完成的时候, 首先停止印刷条码, 然后关闭在线检 测设备, 该阶段的顺序和作业开始阶段正好相反。
图 4示出了根据本发明一个实施例的可变数据条码的打印装置的示 意图, 包括:
喷墨印刷设备 10, 用于在介质上印刷与第一条码数据对应的可变数 据条码;
传动装置 20, 用于将介质传送到检测区域中;
在线检测设备 30, 用于在检测区域中扫描介质上的可变数据条码, 得到第二条码数据;
第一判断模块 40, 用于将第二条码数据与第一条码数据进行比较, 如果不一致, 则报警。 以克服了现有技术非实时检测导致次品率较高的问题, 达到了提高可变 数据条码的打印合格率的效果。 优选地, 本打印装置还包括以下至少一个模块:
第二判断模块, 用于判断第二条码数据的长度是否少于预设值, 如 果是, 则认为可变数据条码出现空码;
第三判断模块, 用于判断第二条码数据是否在第一数据库中, 如果 不在第一数据库中, 则认为可变数据条码出现坏码, 其中第一数据库包 含所有需要打印的第一条码数据;
第四判断模块, 用于判断第二条码数据中是否在第二数据库中, 如 果在第二数据库中, 则认为可变数据条码出现重码, 并在报警时, 显示 重码的两个介质的标识, 其中第二数据库包含所有打印过的第一条码数 据。
空码、 重码和坏码都是不允许的, 本优选实施例通过对这三种情况 进行检测, 可以及时地检测出次品。
优选地, 本打印装置还包括: 以太网, 用于将第一条码数据从喷墨 印刷设备传送到在线检测设备。
优选地, 本打印装置还包括: 第一光电开关, 用于检测介质是否进 入检测区域; 第二光电开关, 用于检测介质是否离开检测区域。 通过光 电开关确定介质是否处于合适的检测区域, 从而可以正确地触发在线检 测设备进行扫描, 减少漏检和误检。
优选地, 本打印装置还包括: 显示器, 用于在报警时显示介质的标 识。 检测的时候, 如果检测到空码、 坏码以及重码的时候, 显示出这些 不合格条码对应的产品标识(页码), 按照这个提示, 印刷企业很容易通 过介质产品上的标识挑出次品, 同时又不会降低生产效率。
图 5示出了根据本发明一个优选实施例的可变数据条码的打印装置 的示意图, 包括: 101是工业报警灯(即报警装置), 包含绿色、 红色、 黄色三段指示灯以及蜂鸣器; 102是在线检测设备, 包括: 工业扫码枪 105及其线缆 109, 显示器供印刷企业查看相关信息; 103是连接喷墨印 刷设备和在线检测设备的以太网; 104是喷墨印刷设备; 106喷墨印刷之 后的产品; 107是从右向左运动的皮带(即传送装置), 该皮带通过吸风 来吸住产品(介质)随之运动; 108是处于在线检测区域的产品; 110是 在线检测设备的光电开关; 112是受印刷设备控制的喷头; 113是喷头喷 射出来的墨滴; 114是处于喷墨印刷区域的产品; 113是工业扫码枪扫描 后传输到在线检测设备中的条码数据; 114是喷墨印刷设备刚打印的条 码数据。
如图所示, 介质 114在皮带 107上, 随着皮带从右向左运动, 到达 印刷区域时,喷头 112在喷墨印刷设备 104的控制下喷射出墨滴 113, 落 在介质 114上形成条形码。 然后印刷完成的介质继续向左运动到达 108 位置, 在线检测设备通过光电开关 110检测到产品进入扫描区域, 然后 通过工业扫码枪 105进行条码扫描, 再将扫描得到的数据 109传到在线 检测设备 102中去。 同时, 在线检测设备 102会通过以太网 103从喷墨 印刷设备 104中获取刚刚打印的条码数据 111。当光电开关 109检测到介 质离开检测区域, 认为该产品条码扫描完毕, 然后将两个数据进行对比 分析, 从而检测出刚刚打印出来的条码质量是否合格, 如果不合格则立 即用报警灯 101来提示印刷企业。
通过以上步骤, 对每次扫描到的条码数据 204进行判断, 如果发现 有坏码或空码出现, 则报警灯 101黄灯亮, 同时蜂鸣器报警; 如果发现 有重码, 则报警灯 101红灯亮, 同时蜂鸣器报警, 而且蜂鸣时间长, 来 提示用户进行及时处理。
在线检测设备检测到条码质量出问题的时候, 及时报警提示印刷企 业, 但是并不马上停机, 因为这样会降低生产效率。
喷墨印刷设备 104在进行喷墨印刷之前, 为每一个产品上要印刷的 可变数据条码生成唯一的产品标识(页码), 该标识是依次递增, 然后在 介质的非产品区打印上该标识。 同时, 将该标识通过以太网传递给在线 检测设备。 检测的时候, 如果检测到空码、 坏码以及重码的时候, 显示 出这些不合格条码对应的产品标识(页码), 按照这个提示, 印刷企业很 容易通过介质产品上的标识挑出次品, 同时又不会降低生产效率。
同时, 本发明对使用的工业扫码枪数量没有限制, 增加扫码枪的数 量只需要在软件中筒单的初始化就可以将该扫码枪加入到在线检测系统 中去。
从以上的描述可以看出, 本发明上述的实施例提高了可变数据条码 的打印合格率。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步 骤可以用通用的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布在多个计算装置所组成的网络上, 可选地, 它们可以用计算装 置可执行的程序代码来实现, 从而可以将它们存储在存储装置中由计算 装置来执行, 或者将它们分别制作成各个集成电路模块, 或者将它们中 的多个模块或步骤制作成单个集成电路模块来实现。 这样, 本发明不限 制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对 于本领域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明 的精神和原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在 本发明的保护范围之内。

Claims

权利要求:
1.一种可变数据条码的打印方法, 其特征在于, 包括:
喷墨印刷设备在介质上印刷与第一条码数据对应的可变数据条码; 通过传动装置将所述介质传送到检测区域中;
在线检测设备在所述检测区域中扫描所述介质上的所述可变数据条 码, 得到第二条码数据;
将所述第二条码数据与所述第一条码数据进行比较, 如果不一致, 则报警。
2.根据权利要求 1所述的方法, 其特征在于, 还包括以下至少一个 步骤:
判断所述第二条码数据的个数是否少于预设值, 如果是, 则认为所 述可变数据条码出现空码, 并报警;
判断所述第二条码数据是否在第一数据库中, 如果不在所述第一数 据库中, 则认为所述可变数据条码出现坏码, 并报警, 其中所述第一数 据库包含所有需要打印的第一条码数据;
判断所述第二条码数据中是否在第二数据库中, 如果在所述第二数 据库中, 则认为所述可变数据条码出现重码, 并报警, 在报警时显示重 码的两个所述介质的标识, 其中所述第二数据库包含所有打印过的第一 条码数据。
3.根据权利要求 1所述的方法, 其特征在于, 还包括:
所述在线检测设备通过以太网从所述喷墨印刷设备获取所述第一条 码数据。
4.根据权利要求 1所述的方法, 其特征在于, 还包括:
通过第一光电开关检测到所述介质进入所述检测区域后, 执行所述 在线检测设备扫描所述介质上的所述可变数据条码得到第二条码数据的 步骤; 通过第二光电开关检测到所述介质离开所述检测区域后, 结束所述 在线检测设备扫描所述介质上的所述可变数据条码得到第二条码数据的 步骤。
5.根据权利要求 1所述的方法, 其特征在于, 还包括:
在报警时显示所述介质的标识。
6.—种可变数据条码的打印装置, 其特征在于, 包括:
喷墨印刷设备, 用于在介质上印刷与第一条码数据对应的可变数据 条码;
传动装置, 用于将所述介质传送到检测区域中;
在线检测设备, 用于在所述检测区域中扫描所述介质上的所述可变 数据条码, 得到第二条码数据;
第一判断模块, 用于将所述第二条码数据与所述第一条码数据进行 比较, 如果不一致, 则报警。
7.根据权利要求 6所述的装置, 其特征在于, 还包括以下至少一个 模块:
第二判断模块,用于判断所述第二条码数据的个数是否少于预设值, 如果是, 则认为所述可变数据条码出现空码;
第三判断模块, 用于判断所述第二条码数据是否在第一数据库中, 如果不在所述第一数据库中, 则认为所述可变数据条码出现坏码, 其中 所述第一数据库包含所有需要打印的第一条码数据;
第四判断模块,用于判断所述第二条码数据中是否在第二数据库中, 如果在所述第二数据库中, 则认为所述可变数据条码出现重码, 并在报 警时, 显示重码的两个所述介质的标识, 其中所述第二数据库包含所有 打印过的第一条码数据。
8.根据权利要求 6所述的装置, 其特征在于, 还包括:
以太网, 用于将所述第一条码数据从所述喷墨印刷设备传送到所述 在线检测设备。
9.根据权利要求 6所述的装置, 其特征在于, 还包括: 第一光电开关, 用于检测所述介质是否进入所述检测区域; 第二光电开关, 用于检测所述介质是否离开所述检测区域。
10.根据权利要求 6所述的装置, 其特征在于, 还包括: 显示器, 用于在报警时显示所述介质的标识。
PCT/CN2011/081417 2010-10-29 2011-10-27 可变数据条码的打印方法和装置 WO2012055366A1 (zh)

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