WO2011120306A1 - 扫描打印一体设备 - Google Patents

扫描打印一体设备 Download PDF

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Publication number
WO2011120306A1
WO2011120306A1 PCT/CN2010/078696 CN2010078696W WO2011120306A1 WO 2011120306 A1 WO2011120306 A1 WO 2011120306A1 CN 2010078696 W CN2010078696 W CN 2010078696W WO 2011120306 A1 WO2011120306 A1 WO 2011120306A1
Authority
WO
WIPO (PCT)
Prior art keywords
printing
scanning
channel
paper
passage
Prior art date
Application number
PCT/CN2010/078696
Other languages
English (en)
French (fr)
Inventor
姜天信
汤晓杰
董述恂
王春涛
杨民
Original Assignee
山东新北洋信息技术股份有限公司
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.)
Filing date
Publication date
Application filed by 山东新北洋信息技术股份有限公司 filed Critical 山东新北洋信息技术股份有限公司
Priority to US13/638,208 priority Critical patent/US8550446B2/en
Priority to EP10848764.6A priority patent/EP2554388B1/en
Publication of WO2011120306A1 publication Critical patent/WO2011120306A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00519—Constructional details not otherwise provided for, e.g. housings, covers
    • H04N1/00559—Mounting or support of components or elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00588—Conveying sheets before or after scanning to the scanning position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00591—Conveying sheets before or after scanning from the scanning position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00596—Conveying sheets before or after scanning using at least a part of the apparatus in common for transporting to or from a plurality of scanning positions, e.g. for reading and printing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00599—Using specific components
    • H04N1/00602—Feed rollers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/0057—Conveying sheets before or after scanning
    • H04N1/00599—Using specific components
    • H04N1/00615—Guiding elements, e.g. plates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/00631—Ejecting or stacking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/00655—Apparatus in common for different handling operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/00665—Details specific to handling of web-shaped media, e.g. paper or film rolls
    • H04N1/00668—Removing the medium from a cassette, spindle or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
    • H04N1/00665—Details specific to handling of web-shaped media, e.g. paper or film rolls
    • H04N1/00676—Cutting
    • H04N1/00679—Cutting after scanning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
    • H04N1/121—Feeding arrangements

Definitions

  • the present invention claims the priority of the Chinese patent application filed on Apr. 1, 2010, to the Chinese Patent Office, the application No. 201010146. for reference.
  • BACKGROUND OF THE INVENTION 1.
  • a scanning and printing integrated device typically comprises two main parts: one for the scanning device and the other for the printing device.
  • the scanning and printing integrated device is usually divided into three types: The first one is a scanning and printing integrated device that is not directly connected to the printing channel, and the typical example is a copying machine; the second is that the scanning channel is connected to the printing channel.
  • a scanning and printing integrated device a typical example of which is a waste ticket processing device; a third type is a printing and scanning integrated device in which a scanning channel and a transition channel for supplying a printing medium meet at a paper feeding end of the printing channel, and a typical example is a lottery printing printing.
  • Award-one machine Taking the copying machine as an example, the working process of the first scanning and printing integrated device is as follows: When the copying machine is working, the original document is first input into the scanning channel, the original file information is obtained by the scanning device, and the printing medium is input into the printing channel, and the printing is performed. The device prints the acquired original document information on the print medium.
  • the integrated scanning and printing device requires two separate media drive mechanisms to transport the scanning channel media and the print channel media.
  • the working process of the second scanning and printing integrated device is as follows:
  • the typical application of the waste ticket processing device is the lottery field, and of course, it can also be applied to other fields such as tickets, tickets, and even money, securities, and the like.
  • the redemption lottery ticket ie, the manuscript
  • the information of the redemption lottery ticket is obtained by the scanning device, and then the redemption lottery ticket is controlled to enter the printing channel by the scanning channel, and the printing device is passed through the printing device.
  • the scrap mark is printed on the lottery after the redemption.
  • the scanning and printing integrated device Because the scanning channel is in communication with the printing channel, the scanning and printing integrated device only needs to set a set of media driving mechanism, and the conveying medium can move freely in the scanning channel and the printing channel.
  • the working process of the third scanning and printing integrated device is as follows: When the lottery printing and redemption machine performs the redemption work, the redemption lottery ticket is first input into the scanning channel, and the scanning device is used to obtain the redemption.
  • the information of the lottery ticket, and then the redemption lottery ticket enters the printing channel by the scanning channel, and is printed by the printing device on the lottery ticket after the redemption of the redemption mark, and then discharged by the paper exit port; the lottery printing and redemption machine prints when performing the lottery printing work
  • the medium is transported from the paper-containing device to the printing channel through the transition channel. After the printing device prints the information on the printing medium, the printed medium is discharged by the paper exit port, and the unprinted medium in the printing channel is returned to the transition channel.
  • a solution is: Set three sets of media driving mechanisms to control the movement of the original and the printing medium in the scanning channel, the transition channel and the printing channel, respectively.
  • the present invention provides a scanning and printing integrated device having a scanning channel, a printing path communicating with the scanning channel, a transition channel for providing a printing medium to the printing channel, a paper feed roller for driving the scanning channel, and a paper feed path for the printing channel.
  • the scanning channel has a scanning device including an embossing member disposed opposite to both sides of the channel and an optical device for acquiring an image of the medium
  • the printing channel has a printing device for printing an image or a character on the printing paper.
  • the above printing apparatus comprises a thermal print head and a printing rubber roller which is tangentially matched with the thermal print head and serves as a paper feed roller of the printing path.
  • the first driving mechanism includes a first driving motor and a plurality of gears that are drivingly connected to the first driving motor, and one of the plurality of gears is provided with a one-way between the paper feeding rollers of the printing channel Bearing.
  • the second driving mechanism includes a second driving motor and a plurality of gears that are drivingly connected to the second driving motor, wherein a one-way bearing is disposed between one of the plurality of gears and the paper feeding roller of the printing channel.
  • the outer cymbal of the unidirectional shaft 7 is provided with a stop rib, and the inner cymbal of the gear is correspondingly provided with a groove that cooperates with the stop rib.
  • the outer cymbal of the one-way shaft is provided with a retaining groove, and the inner bore of the gear is correspondingly provided with a projection that cooperates with the retaining groove.
  • the inner bore of the gear and the outer bore of the one-way bearing are fixed by welding or riveting.
  • the paper feeding end of the scanning channel and the paper discharging end of the printing channel are on the same side of the scanning printing device, and the paper discharging end of the scanning channel and the paper discharging end of the transition channel are connected to the paper feeding end of the printing channel.
  • the first driving mechanism and the second driving mechanism are completely independent and do not interfere with each other, so that without increasing the load, Two sets of drive mechanism are driven to drive the original or the paper to be freely transported in the three channels of the scanning channel, the printing channel and the transition channel.
  • FIG 1 is a longitudinal sectional view of a scanning and printing integrated device according to the present invention
  • FIG. 2 is a schematic view of a first driving mechanism of a scanning and printing integrated device according to the present invention
  • FIG. 3 is a view of a scanning and printing integrated device according to the present invention.
  • FIG. 1 is a schematic longitudinal cross-sectional view of a scanning and printing integrated apparatus in accordance with the present invention.
  • the scanning and printing integrated device includes a scanning channel 1, a transition channel 2, a printing channel 3, and a paper-holding mechanism 4.
  • the paper feed end of the scanning path 1 is opened to form an entrance P for inserting an original.
  • a scanning device 11 for acquiring an image of a medium is disposed in the scanning channel 1.
  • the scanning device 11 includes an optical device 111 and an indenter 112 disposed opposite to each other on both sides of the channel, and the original passes between the optical device 111 and the platen 112, and the optical
  • the device 111 is capable of concentrating the image of the surface of the medium.
  • the optical device 111 may be a contact image sensor CIS or an electrically coupled image sensor CCD.
  • At least one paper feed roller 12 for conveying an original is also disposed in the scanning path 1.
  • two paper feed rollers 12 are provided according to the length and shape of the passage, and are respectively tangentially matched with the driven roller 13, and the original passes between the paper feed roller 12 and the driven cylinder 13, and each paper feed is performed. 12 Rotate to move the original.
  • the paper feed end of the transition passage 2 is connected to the paper take-up mechanism 4, and the paper feed mechanism 4 stores therein print paper for printing.
  • At least one paper feed roller 21 for conveying the printing paper is disposed in the transition passage 2, and the position and number of the paper feed rollers 21 can be determined according to the length and shape of the passage.
  • a paper feed roller 21 is disposed, which is tangentially matched with the driven roller (not shown), and the printing paper passes between the paper feed roller 21 and the driven roller, and the paper feed roller 21 rotates to drive the printing paper. motion.
  • the paper feed end of the print path 3 intersects the paper discharge end of the scanning path 1 and the paper exit end of the transition path 2, and the paper discharge end of the print path 3 is opened to form an exit Q for the output of the original or the printing paper.
  • a printing device 31 for printing an image or a character on a printing paper is provided in the printing path 3.
  • At least one paper feed roller for conveying the printing paper is disposed in the printing path 3.
  • the printing device 31 includes a thermal print head 311 and a printing glue stick 312 disposed opposite to each other on the two sides of the channel. Since the printing rubber roller 312 can be used for conveying the printing paper, in this embodiment, the printing rubber roller 312 At the same time, it also serves as a paper feed stick. In other embodiments of the present invention, if the printing apparatus is a type of printing apparatus such as a needle type, an ink jet or a laser, it is necessary to separately provide a paper feed roller for conveying the printing paper. Please refer to Figure 2 and Figure 3.
  • the scanning and printing integrated device further includes a first driving mechanism, a second driving mechanism, and a one-way shaft 7 group. As shown in FIG.
  • the first drive mechanism includes a drive motor 51 and a oscillating gear (ie, a gear set).
  • the gear set includes a motor gear 521, a paper feed roller gear 522 of the scanning path, a paper feed kinematic gear 523 of the print path, and a thousand transfer gear.
  • the motor gear 521 is fixedly connected to the drive motor drive shaft, and the paper feed roller gear 522 of the scan channel is fixedly connected with the shaft end of the paper feed 12 of the scan channel, and the paper feed kneading gear 523 of the print channel and the paper feed of the print channel
  • the first shaft end of the roller is fixedly connected.
  • the paper feeding roller gear 523 of the printing channel is fixedly connected with the first shaft end 312a of the printing glue stick 312 (for example).
  • the thousand transition gears respectively mesh with the motor gear 521, the gear 522 of the paper feed roller in the scanning path, and the gear 523 of the paper feed roller in the print path, the power provided by the drive motor is transmitted to the paper feed roller 12 of the scan channel and printed.
  • the printing glue stick 312 of the passage thereby driving the original to move in the same direction in the scanning channel 1 and the printing channel 3.
  • the second drive mechanism also includes a drive motor and a oscillating gear (ie, a gear set).
  • the gear set includes a motor gear 621, a paper feed roller gear 622 of the transition passage, a gear 623 of the paper feed of the print path, and a thousand transition gear.
  • the motor gear 621 is fixedly connected to the drive shaft of the drive motor 61
  • the paper feed roller gear 622 is fixedly connected to the shaft end of the paper feed cassette 21, and the gear 623 of the print channel paper feed unit is fixedly connected with the second end of the paper feed magazine.
  • the gear 623 is fixedly coupled to the second shaft end 312b of the printing rubber roller 312.
  • the one-way shaft 7 assembly includes a first one-way shaft 716 and a second one-way shaft 7 72.
  • the first unidirectional shaft 71 is located between the gear 523 and the first shaft end 312a of the printing glue stick 312, and the outer damper stop rib or the protrusion 71a is correspondingly engaged with the groove on the inner cymbal of the gear 523.
  • the person can move synchronously, and the inner heel is sleeved with the first shaft end 312a.
  • the second one-way shaft 7 72 is located between the gear 623 and the second shaft end 312b of the printing glue stick 312, and the outer stop rib or the tongue of the outer cymbal is correspondingly engaged with the groove on the inner ridge 623a of the gear 623.
  • Make two The person can move synchronously, and the inner jaw is sleeved with the second shaft end 312b.
  • the setting moves the original or the printing paper from the paper feeding end of each channel to the paper feeding port as the paper feeding, and vice versa, the first one-way shaft 71 and the second one-way shaft 72 are installed on the printing rubber shaft end, The forward rotation of the person can drive the printing roller to feed paper.
  • the first driving mechanism drives the original to enter the printing channel 3 from the scanning channel 1
  • the first gear 523 drives the first one-way shaft 71 to rotate in the forward direction, because the first one-way shaft 71 is tightly held with the first shaft end 312a, thereby driving
  • the printing rubber roller 312 conveys the original to the outlet Q; since the gear 623 and the second one-way shaft 7 72 are not subjected to an external force at this time, the second shaft end 312b can freely rotate in the second one-way shaft 7 72, thus printing The rubber roller 312 does not cause movement of the second drive mechanism when moved under the driving of the first drive mechanism.
  • the gear 623 drives the second one-way bearing 72 to rotate in the forward direction.
  • the second one-way bearing 72 is tightly held with the axial end 312b of the printing rubber roller 312. Thereby, the printing blanket roller 312 is driven to convey the printing paper to the outlet Q. Likewise, the print roller 312 does not cause movement of the first drive mechanism when moved under the drive of the second drive mechanism.
  • the gear 623 drives the second one-way bearing 62 to rotate in the reverse direction. Therefore, the second one-way bearing 72 is separated from the axial end 312b of the printing rubber roller 312, and is printed. The rubber roller 312 does not move so as not to cause the first drive mechanism to move.
  • the present embodiment also provides a paper cutting device 8 between the printing device 31 and the paper discharge port Q.
  • the paper cutting device 8 may be an automatic paper cutter or a manual paper cutter.
  • the paper cutting device provided in this embodiment is an automatic paper cutter.
  • the automatic paper cutter includes a movable blade 81 and a stationary blade 82, which are disposed opposite to each other and are respectively located on both sides of the printing channel 3.
  • the printed paper is conveyed to the paper exit Q through the automatic paper cutter.
  • the control device controls the automatic paper cutter operation to cut the printed paper, which is convenient for the user to remove.
  • the first driving mechanism and the second driving mechanism are completely independent and do not interfere with each other, so that without increasing the load, Two sets of drive mechanism are driven to drive the original or the paper to be freely transported in the three channels of the scanning channel, the printing channel and the transition channel.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
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扫描打印一体设备 本申请要求于 2010 年 4 月 1 日提交至中国专利局、 申请号为 201010146775.1、 发明名称为"扫描打印一体设备"的中国发明专利申请的优 先权， 其全部公开内容结合于此供参考。 技术领域 本发明涉及扫描打印一体设备， 尤其涉及对扫描打印一体设备的介质驱 动机构的改进。 背景技术 扫描打印一体设备通常包括两个主要部分： 一为扫描装置， 另一个为打 印装置。 根据结构的不同， 扫描打印一体设备通常分为三种： 第一种为扫描通道 与打印通道不直接连通的扫描打印一体设备， 其典型的例子为复印机； 第二 种为扫描通道与打印通道连通的扫描打印一体设备， 其典型的例子为废票处 理设备； 第三种为扫描通道和供应打印介质的过渡通道交汇于打印通道的入 纸端的打印扫描一体设备， 其典型的例子为彩票打印兌奖一体机。 以复印机为例， 第一种扫描打印一体设备的工作过程如下： 复印机在工 作时， 先将原稿文件输进扫描通道， 通过扫描装置获取原稿文件信息， 再将 打印介质输进打印通道， 通过打印装置在打印介质上打印获取到的原稿文件 信息。 这种扫描打印一体设备需要设置两套独立的介质驱动机构， 分别输送 扫描通道介质和打印通道介质。 以废票处理设备为例， 第二种扫描打印一体设备的工作过程如下： 废票 处理设备的典型应用为彩票领域， 当然还可以应用于车票、 门票甚至货币、 有价证券等其他的领域。 彩票的废票处理设备在工作时， 先将兌奖彩票 （即 原稿） 输进扫描通道， 通过扫描装置获取兌奖彩票的信息， 然后再控制兌奖 彩票由扫描通道进入打印通道， 通过打印装置在兌奖后彩票上打印上作废标 记。 这种由于扫描通道与打印通道连通， 扫描打印一体设备只需要设置一套 介质驱动机构， 即可输送介质在扫描通道和打印通道内自由运动。 以彩票打印兌奖一体机为例，第三种扫描打印一体设备的工作过程如下： 彩票打印兌奖一体机在执行兌奖工作时， 先将兌奖彩票输进扫描通道， 通过 扫描装置获取兌奖彩票的信息， 然后兌奖彩票由扫描通道进入打印通道， 通 过打印装置在兌奖后彩票上打印上作废标记后由出纸口排出； 彩票打印兌奖 一体机在执行彩票打印工作时， 打印介质从容纸装置经过渡通道输送至打印 通道， 打印装置在打印介质上打印信息后， 打印后的介质由出纸口排出， 在 打印通道内未打印的介质退回过渡通道内。 为了实现原稿和打印介质都经过打印通道排出出纸口，一种解决方案是： 设置三套介质驱动机构分别控制原稿和打印介质在扫描通道、 过渡通道和打 印通道中运动， 这种方案的缺点在于需要设置三个驱动电机， 结构复杂、 成 本高； 另一种解决方案是： 设置两套介质驱动机构， 其中一套可以同时驱动 原稿在扫描通道和打印通道运动， 另一套可以同时驱动打印介质在过渡通道 和打印通道中运动。 这种方案尽管只需设置两个驱动电机， 但是， 任一套驱 动机构工作时， 都会引起另一套驱动机构的传动齿轮和驱动电机被动运动， 极大的增加了扫描打印一体设备的输送负载， 容易引起输送失败。 发明内容 本发明目的在于提供一种对介质驱动机构进行改进的扫描打印一体设 备。 为此， 本发明提供了一种扫描打印一体设备， 其具有扫描通道、 与扫描 通道连通的打印通道、 向打印通道提供打印介质的过渡通道、 驱动扫描通道 的送纸辊和打印通道的送纸辊的第一驱动机构、 驱动过渡通道的送纸辊和打 印通道的送纸辊的第二驱动机构， 其中， 打印通道的送纸辊的两端分别通过 单向轴 7 传动连接至第一驱动机构和第二驱动机构。 进一步地， 上述扫描通道内具有扫描装置， 该扫描装置包括位于通道两 侧相对设置的压纸件和获取介质图像的光学器件， 上述打印通道内具有在打 印纸上打印图像或文字的打印装置。 进一步地， 上述打印装置包括热敏打印头和与热敏打印头相切配合并作 为打印通道的送纸辊的打印胶辊。 进一步地， 上述第一驱动机构包括第一驱动电机和与第一驱动电机传动 连接的多个齿轮， 该多个齿轮中的一齿轮与打印通道的送纸辊之间设有单向 轴承。 进一步地， 上述第二驱动机构包括第二驱动电机和与第二驱动电机传动 连接的多个齿轮， 其中， 多个齿轮中的一齿轮与打印通道的送纸辊之间设有 单向轴承。 更进一步地， 上述单向轴 7 的外圏设有止动挡边， 齿轮的内圏对应地设 置有与止动挡边配合的凹槽。 或者， 单向轴 的外圏设有止动凹槽， 齿轮的 内圏对应地设置有与止动凹槽配合的凸起。 或者， 齿轮的内圏和单向轴承的 外圏通过焊接或铆接固定。 进一步地， 上述扫描通道的入纸端和打印通道的出纸端在扫描打印设备 的同一侧， 上述扫描通道的出纸端和过渡通道的出纸端连通至打印通道的入 纸端。 在本发明中， 通过在打印通道的送纸辊两轴端均设置单向轴承， 使第一 驱动机构和第二驱动机构工作完全独立、 互不千涉， 从而在不增加负载的情 况下， 实现了两套驱动机构驱动原稿或打印纸在扫描通道、 打印通道和过渡 通道三条通道内自由输送。 除了上面所描述的目的、 特征、 和优点之外， 本发明具有的其它目的、 特征、 和优点， 将结合附图作进一步详细的说明。 附图说明 构成本说明书的一部分、 用于进一步理解本发明的附图示出了本发明的 优选实施例， 并与说明书一起用来说明本发明的原理。 图中： 图 1是根据本发明的扫描打印一体设备的纵向剖面示意图； 图 2是根据本发明的扫描打印一体设备的第一驱动机构示意图； 图 3是根据本发明的扫描打印一体设备的第二驱动机构示意图； 以及 图 4是根据本发明的扫描打印一体设备的打印通道的送纸辊与单向轴承 组件装配关系示意图。 具体实施方式 以下结合附图对本发明的实施例进行详细说明， 但是本发明可以由权利 要求限定和覆盖的多种不同方式实施。 图 1是根据本发明的扫描打印一体设备的纵向剖面示意图。如图 1所示， 扫描打印一体设备包括扫描通道 1、 过渡通道 2、 打印通道 3和容纸机构 4。 扫描通道 1的入纸端敞开， 形成用于插入原稿的入口 P。 扫描通道 1 内设置有用于获取介质图像的扫描装置 11 , 扫描装置 11 包 括位于通道两侧相对设置的光学器件 111和压纸件 112 ,原稿从光学器件 111 和压纸件 112之间通过， 光学器件 111能够釆集介质表面图像。 通常， 光学 器件 111可以是接触式图像传感器 CIS , 也可是电耦合式图像传感器 CCD。 扫描通道 1内还设置有至少一个用于输送原稿的送纸辊 12。本实施例中根据 通道的长度和形状的需要设置了二个送纸辊 12 ,分别与从动辊 13相切配合， 原稿从送纸昆 12和从动昆 13之间通过， 各送纸昆 12转动带动原稿运动。 过渡通道 2的入纸端与容纸机构 4连接， 容纸机构 4内储存有用于打印 的打印纸。 过渡通道 2内设置至少一个用于输送打印纸的送纸辊 21 , 同样可 以才艮据通道的长度和形状确定送纸昆 21设置的位置和数量。 本实施例中设置了一个送纸辊 21 , 与从动辊 (图中未示出） 相切配合， 打印纸从送纸棍 21和从动棍之间通过， 送纸棍 21转动带动打印纸运动。 打印通道 3的入纸端与扫描通道 1的出纸端和过渡通道 2出纸端交汇， 打印通道 3的出纸端敞开， 形成用于 4 出原稿或打印纸的出口 Q。 打印通道 3内设置有用于在打印纸上打印图像或文字的打印装置 31。打 印通道 3内至少设置一个用于输送打印纸的送纸辊。 本实施例中， 打印装置 31包括位于通道两侧相对设置的热敏打印头 311和打印胶棍 312 , 由于打印 胶辊 312可以用于输送打印纸， 因此， 本实施例中， 打印胶辊 312同时兼作 送纸棍。 在本发明的其他实施例中， 如果打印装置为针式、 喷墨或激光等类型的 打印装置时， 需要单独设置用于输送打印纸的送纸辊。 请参考图 2和图 3。 扫描打印一体设备还包括第一驱动机构、 第二驱动 机构及单向轴 7 组。 如图 2所示， 第一驱动机构包括驱动电机 51 和若千传动齿轮 （即齿轮 组）。 该齿轮组包括电机齿轮 521、 扫描通道的送纸辊齿轮 522、 打印通道的 送纸昆齿轮 523及若千过渡齿轮。 其中， 电机齿轮 521与驱动电机驱动轴固定连接， 扫描通道的送纸辊齿 轮 522与扫描通道的送纸昆 12的一轴端固定连接， 打印通道的送纸昆齿轮 523 与打印通道的送纸辊的第一轴端固定连接， 本实施例中， 由于打印胶辊 312即为送纸棍， 因此， 打印通道的送纸棍齿轮 523与打印胶棍 312的第一 轴端 312a固定连接 （如图 4所示）。 若千过渡齿轮分别与电机齿轮 521、 扫描通道中的送纸昆的齿轮 522、 打印通道中的送纸辊的齿轮 523啮合， 将驱动电机提供的动力传递给扫描通 道的送纸棍 12和打印通道的打印胶棍 312 ,从而驱动原稿在扫描通道 1和打 印通道 3内沿同一向运动。 如图 3所示，第二驱动机构也包括驱动电机和若千传动齿轮（即齿轮组）。 该齿轮组包括电机齿轮 621、 过渡通道的送纸棍齿轮 622、 打印通道的送纸 昆的齿轮 623及若千过渡齿轮。 其中， 电机齿轮 621 与驱动电机 61 驱动轴固定连接， 送纸棍齿轮 622 与送纸昆 21 的一轴端固定连接， 打印通道送纸昆的齿轮 623与送纸昆的第 二端固定连接， 本实施例中， 齿轮 623与打印胶辊 312的第二轴端 312b 固 定连接。 若千过渡齿轮分别与电机齿轮 621、 送纸辊齿轮 622、 打印通道中的送 纸辊的第二齿轮 623啮合， 将驱动电机提供的动力传递给过渡通道的送纸辊 21和打印胶昆 312 , 从而驱动打印纸在过渡通道 2和打印通道 3内沿同一方 向运动。 请参考图 4。 单向轴 7 组件包括第一单向轴 7 71和第二单向轴 7 72。 第一单向轴 71位于齿轮 523与打印胶棍 312的第一轴端 312a之间， 其外圏的止动挡边或凸楞 71a与齿轮 523的内圏上的凹槽对应卡接， 二者能 够同步运动， 其内圏与第一轴端 312a套接。 第二单向轴 7 72位于齿轮 623与打印胶棍 312的第二轴端 312b之间， 其外圏的止动挡边或凸楞与齿轮 623的内圏 623a上的凹槽对应卡接， 使二 者能够同步运动， 其内圏与第二轴端 312b套接。 设定将原稿或打印纸由各通道入纸端运动至出纸口为进纸，反之为退纸， 第一单向轴 71和第二单向轴 72安装在打印胶昆轴端后， 二者的正向旋 转可以驱动打印胶辊进纸。 当第一驱动机构驱动原稿由扫描通道 1进入打印通道 3时，第一齿轮 523 带动第一单向轴 71 正向转动， 因 第一单向轴 71 与第一轴端 312a 抱紧， 从而驱动打印胶辊 312将原稿输送至出口 Q; 由于此时齿轮 623和第 二单向轴 7 72不受外力作用， 第二轴端 312b可以在第二单向轴 7 72 内自 由转动， 因此， 打印胶辊 312在第一驱动机构的驱动下运动时不会引起第二 驱动机构的运动。 当第二驱动机构驱动打印纸由过渡通道 2进入打印通道 3时， 齿轮 623 带动第二单向轴承 72正向转动， 因此， 第二单向轴承 72与打印胶辊 312轴 端 312b抱紧， 从而驱动打印胶辊 312将打印纸输送至出口 Q。 同样， 打印 胶辊 312在第二驱动机构的驱动下运动时不会引起第一驱动机构的运动。 当第二驱动机构驱动打印纸由打印通道 3退回过渡通道 2时， 齿轮 623 带动第二单向轴承 62反向转动， 因此， 第二单向轴承 72与打印胶辊 312轴 端 312b脱离， 打印胶辊 312不运动， 从而不会引起第一驱动机构运动。 为了方便打印后的打印纸与待打印的打印纸分离， 本实施例还在打印装 置 31和出纸口 Q之间设置了切纸装置 8。 切纸装置 8可以是自动切纸刀， 也可实施手动撕纸刀。 本实施例提供的切纸装置是自动切纸刀。 自动切纸刀 包括动刀片 81和静刀片 82 , 二者相对设置， 分别位于打印通道 3两侧。 打 印后的打印纸经过自动切纸刀输送到出纸口 Q , 打印完毕后， 控制装置控制 自动切纸刀动作， 将打印后的打印纸裁断， 便于用户取走。 在本发明中， 通过在打印通道的送纸辊两轴端均设置单向轴承， 使第一 驱动机构和第二驱动机构工作完全独立、 互不千涉， 从而在不增加负载的情 况下， 实现了两套驱动机构驱动原稿或打印纸在扫描通道、 打印通道和过渡 通道三条通道内自由输送。 以上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 ^"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 书
1. 一种扫描打印一体设备， 具有扫描通道、 与所述扫描通道连通的打印通 道、 向所述打印通道提供打印介质的过渡通道、 驱动所述扫描通道的送 纸昆和打印通道的送纸昆的第一驱动机构、 驱动过渡通道的送纸昆和所 述打印通道的所述送纸昆的第二驱动机构， 其特征在于，
所述打印通道的所述送纸昆的两端分别通过单向轴^传动连接至第 一驱动机构和第二驱动机构。
2. 根据权利要求 1所述的扫描打印一体设备， 其特征在于，
所述扫描通道内具有扫描装置， 所述扫描装置包括位于通道两侧相 对设置的压纸件和获取介质图像的光学器件，
所述打印通道内具有在打印纸上打印图像或文字的打印装置。
3. 根据权利要求 2所述的扫描打印一体设备， 其特征在于， 所述打印装置 包括热敏打印头和与所述热敏打印头相切配合， 并作为所述打印通道的 送纸辊的打印胶辊。
4. 根据权利要求 1至 3中任一项所述的扫描打印一体设备， 其特征在于， 所述第一驱动机构包括第一驱动电机和与所述第一驱动电机传动连接的 多个齿轮， 所述多个齿轮中的一齿轮与所述打印通道的送纸辊之间设有 所述单向轴^ 。
5. 根据权利要求 4所述的扫描打印一体设备， 其特征在于， 所述单向轴承 的外圏设有止动挡边， 所述齿轮的内圏对应地设置有与所述止动挡边配 合的凹曹。
6. 根据权利要求 4所述的扫描打印一体设备， 其特征在于， 所述单向轴承 的外圏设有止动凹 4曹， 所述齿轮的内圏对应地设置有与所述止动凹 ^曹配 合的凸起。
7. 根据权利要求 1至 3中任一项所述的扫描打印一体设备， 其特征在于， 所述第二驱动机构包括第二驱动电机和与所述第二驱动电机传动连接的 多个齿轮， 其中， 所述多个齿轮中的一齿轮与所述打印通道的送纸辊之 间设有所述单向轴^ 。
8. 根据权利要求 7所述的扫描打印一体设备， 其特征在于， 所述单向轴承 的外圏设有止动挡边， 所述齿轮的内圏对应地设置有与所述止动挡边配 合的凹曹。
9. 根据权利要求 7所述的扫描打印一体设备， 其特征在于， 所述单向轴承 的外圏设有止动凹 4曹， 所述齿轮的内圏对应地设置有与所述止动凹 ^曹配 合的凸起。
10. 根据权利要求 1至 3中任一项所述的扫描打印一体设备， 其特征在于， 所述扫描通道的入纸端和所述打印通道的出纸端在所述扫描打印设备的 同一侧， 所述扫描通道的出纸端和所述过渡通道的出纸端连通至所述打 印通道的入纸端。
PCT/CN2010/078696 2010-04-01 2010-11-12 扫描打印一体设备 WO2011120306A1 (zh)

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