WO2011120388A1 - 卷曲校正机构及使用该卷曲校正机构的记录介质处理装置 - Google Patents

卷曲校正机构及使用该卷曲校正机构的记录介质处理装置 Download PDF

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Publication number
WO2011120388A1
WO2011120388A1 PCT/CN2011/072011 CN2011072011W WO2011120388A1 WO 2011120388 A1 WO2011120388 A1 WO 2011120388A1 CN 2011072011 W CN2011072011 W CN 2011072011W WO 2011120388 A1 WO2011120388 A1 WO 2011120388A1
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WO
WIPO (PCT)
Prior art keywords
roller
curl
paper
recording medium
medium processing
Prior art date
Application number
PCT/CN2011/072011
Other languages
English (en)
French (fr)
Inventor
姜天信
杨民
高涛
张继刚
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
Publication of WO2011120388A1 publication Critical patent/WO2011120388A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/34—Apparatus for taking-out curl from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/443—Moving, forwarding, guiding material by acting on surface of handled material
    • B65H2301/4431—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material
    • B65H2301/44312—Moving, forwarding, guiding material by acting on surface of handled material by means with operating surfaces contacting opposite faces of material between belts and rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/262—Arrangements of belts facing rollers

Definitions

  • the present invention relates to the field of machinery, and in particular to a paper curl correcting mechanism and a recording medium processing apparatus using the curl correcting mechanism.
  • a roll paper is widely used as a printing medium in a recording medium processing apparatus such as a printer or a facsimile machine. Since the web of the web is wrapped around the mandrel of the web, there is some curl after the sheet is unfolded, especially if the amount of paper remaining on the web is small, the curvature of the sheet will be greater.
  • the curl correcting mechanism 30 includes a hard shaft 36, and a deformed Kun 34 is disposed outside the hard shaft 36, and the hard shaft 36 is provided.
  • the idler gear 32 is tangentially disposed, and the deforming wand 34 is tangential to the idler gear 32, and the deforming wand 34 is formed with a dent by the pressing force surface of the idler gear 32.
  • a curl correction mechanism comprising: two parallelly disposed drive rollers, respectively a first drive roller and a second drive roller; a drive belt disposed on the first drive roller and the second drive Roller; press roller, in contact with the drive belt, and the arcuate recess is formed on the surface of the belt.
  • the curl correcting mechanism further includes: a driving mechanism for driving the first driving roller or the second driving roller. Further, the first transmission roller and the second transmission roller are respectively tangent to the pressure roller through the transmission belt.
  • each of the driving rollers includes a mandrel and a rubber layer surrounding the mandrel, and the rubber layer is segmented on the mandrel, and each of the rubber layers is sleeved with a transmission belt.
  • the rubber layer is two-stage, and is disposed at both ends of the mandrel, so that the driving roller is a dumbbell type with thick and thin ends at both ends.
  • the press roll has a spindle-shaped shape in which the ends are thick at both ends.
  • a plurality of annular protrusions are arranged at a certain interval in the middle of the pressure roller, and the outer surface of each of the annular protrusions has a spindle shape which is thin at both ends in the middle in the axial direction of the pressure roller.
  • a sleeve is fixedly mounted on an intermediate portion of the pressure roller, and an outer diameter of the sleeve is larger than an outer diameter of the pressure roller.
  • a recording medium processing apparatus including a curl correcting assembly disposed outside a casing of a recording medium processing apparatus, the curl correcting assembly includes: a bracket, a screw cap hinged to the bracket, and a bracket and a screw A curl correcting mechanism in a space formed by the cover, wherein the curl correcting mechanism is a front curl correcting mechanism. Further, the recording medium processing apparatus further includes: a guiding portion formed by an inner surface of the screw cap for guiding the cut paper into the curl correcting mechanism. According to another aspect of the present invention, there is further provided a recording medium processing apparatus comprising a curl correcting mechanism provided inside a casing of the recording medium processing apparatus, the curl correcting mechanism being the curl correcting mechanism described above.
  • a common belt is set on the first driving roller and the second driving roller by providing a first driving roller and a second driving roller; the pressing roller 4 is pressed on the belt, and is pressed by the belt.
  • Deformation occurs under rolling, and the curled paper produces deformation opposite to the direction of curl at the deformation.
  • the curl correcting mechanism of the present invention according to the present invention has lower material requirements, is easier to maintain, and reduces manufacturing costs as compared with the prior art.
  • the drawings are intended to provide a further understanding of the invention, and are intended to be a part of the invention.
  • Fig. 1 is a schematic structural view showing a structure of a curl correcting mechanism in the prior art
  • FIG. 2 is a schematic view showing the structure of a curl correcting mechanism of the present invention
  • FIG. 4 is a schematic structural view showing a preferred embodiment of a press roll in a curl correcting mechanism of the present invention
  • FIG. 5 is a view schematically showing the present invention.
  • FIG. 6 is a schematic structural view showing a first embodiment of a recording medium processing apparatus of the present invention
  • FIG. 7 is a view schematically showing the recording of the present invention.
  • FIG. 8 is a schematic structural view showing a second embodiment of the recording medium processing apparatus of the present invention.
  • Fig. 2 is a schematic view showing the structure of a curl correcting mechanism according to the present invention.
  • the curl correction mechanism includes a belt 1 (drive belt), two drive rollers (first drive roller 2, second drive roller 3) disposed in parallel, and a pressure roller 4.
  • the belt 1 is tightly fitted over the first drive roller 2 and the second drive roller 3, The belt 1 is in a taut state.
  • the pressure roller 4 is in contact with the belt 1, and at the point where the belt 1 is in contact with the pressure roller 4, the belt 1 is pressed and deformed by the pressure roller 4 to form an arcuate concave portion.
  • the curled paper is conveyed downstream through the curl correcting mechanism, and when the curled paper passes through the curved recesses of the belt 1 and the press 4, the crushing produces deformation opposite to the curling direction, and the curled paper is corrected.
  • the curl correcting mechanism of the present invention the deformation caused by the contact of the conventional belt 1 with the pressure roller 4 is utilized, so that the curled paper passing through the deformation is deformed in the opposite direction to the self-curling, thereby realizing the curl correction of the paper, thereby reducing the pair.
  • the curl correcting mechanism further includes: a driving mechanism (not shown) for driving the first driving roller 2 or the second driving roller 3.
  • a driving mechanism for driving the first driving roller 2 or the second driving roller 3.
  • the belt 1 is driven to move synchronously under the action of the friction force; under the friction between the belt 1 and the pressure roller 4
  • the pressure roller 4 also rotates in synchronization with the belt 1, and the paper is conveyed downstream of the curl correcting mechanism.
  • FIG. 3 a preferred form of the curl correction mechanism of the present invention is illustrated.
  • the first transmission roller 2 and the second transmission roller 3 are respectively tangent to the pressure roller 4 through the belt 1.
  • the curled paper is pressed by the elastic force generated by the deformation of the belt 1, and is also subjected to the pressing force of the first driving roller 2 and the second driving roller 3, so that the deformation of the paper opposite to the winding direction is more pronounced. , the correction effect will be better.
  • the drive roller includes a mandrel and a rubber layer fixed to the outer periphery of the mandrel, and the rubber layer may be substantially equal to the axial length of the mandrel, but in order to reduce cost, the rubber layer may be disposed in sections.
  • 4 and 5 show a preferred embodiment of the driving roller by taking the second driving roller 3 as an example.
  • the rubber layer is two-stage, disposed at both ends of the mandrel, so that the second driving roller 3 is a dumbbell-shaped shape in which both ends are thick and thin in the middle, and the first transmission roller 2 can be used in the same structure as the second transmission roller 3. In this way, materials can be saved and costs can be further reduced.
  • the number of belts 1 corresponds to the number of segments of the rubber layer on the drive roller.
  • the driving roller is a dumbbell type having thick and thin ends at both ends
  • the belt 1 is correspondingly two, and each belt is respectively sleeved on Dumbbell-type drive roller on the rubber layer at the corresponding end.
  • the two belts are sleeved on the first driving roller 2 and the second driving roller 3, they are substantially parallel in the direction along the axis of the driving roller, and the maximum distance between the two belts should be smaller than the width of the paper in the paper feeding direction. .
  • the rubber layer can also be provided with three sections, four sections, etc. at the outer end of the drive roller mandrel. Accordingly, the number of belts also varies with the number of segments of the rubber layer.
  • the press type 4 has a spindle shape which is thin at both ends, and when the curled paper P passes between the belt 1 and the press 4, the paper P is at the arcuate recess of the belt 1 in the paper feed direction. A deformation opposite to the direction in which the paper is curled is generated. In the paper width direction, the intermediate portion of the paper P is pressed by the intermediate portion of the pressure roller 4 to cause deformation opposite to the curling direction of the paper, and the curl of the paper can be corrected as well.
  • the press roll forming the shape of the spindle may be a spindle type of the entire press roll 4, or as shown in FIG. 4, the annular roll 41 may be arranged at a certain interval on the press roll 4, and the annular protrusion may be arranged. 41 is thick in the middle of the contour along the axis of the pressing, and the shape of the two ends is large.
  • a mounting sleeve 42 is fixed to the intermediate portion of the pressure roller 4, the outer diameter of the sleeve 42 being larger than the outer diameter of the pressure roller 4, and the sleeve 42 being rotated together with the pressure roller 4.
  • the transmission belt 1 in the present invention is not limited to the above-mentioned belt, and may be a flexible transmission belt which is sleeved on the first transmission roller 2 and the second transmission roller 3 and is driven by other materials.
  • Fig. 6 is a view showing the configuration of a first embodiment of a recording medium processing apparatus using the curl correcting mechanism of the present invention.
  • the recording medium processing apparatus in this embodiment takes a printer as an example. As shown in FIG. 6, the printer includes an upper cover 100 and a lower casing 200.
  • the upper cover 100 is hinged to the lower casing 200 and can be opened and closed with respect to the lower casing 200.
  • a paper receiving assembly 300 for accommodating the roll paper is disposed in the rear portion of the space formed by the upper cover 100 and the lower casing 200.
  • a printing unit 400 for printing predetermined printing contents on the printing paper is provided in the rear portion of the space formed by the upper cover 100 and the lower casing 200.
  • the printing component 400 can be a thermal printing component or a printing component such as a pin, inkjet, or laser.
  • the printing assembly 400 is a thermal printing assembly, including a print head 410 and a printing glue 420, wherein the printing head 410 is fixed on the lower casing 200, and the printing glue stick 420 is fixed on the upper cover 100 when the printer upper cover 100 is opposite.
  • the print head 410 and the printing glue stick 420 Tangently, the printing glue stick 420 is rotated by the printer drive system to drive the paper to be transported downstream of the printing assembly 400 between the print head 410 and the printing glue 420, while the print head 410 prints on the printing paper. Since the conventional pin type, ink jet, laser, and the like print assembly forms are well known to those skilled in the art, and their settings are not related to the present invention, they will not be described again.
  • a paper cutting unit 500 is disposed downstream of the printing unit 400 for cutting the printed paper.
  • the paper cutting assembly 500 includes a stationary blade 510 and a movable blade 520, wherein the stationary blade 510 is fixedly disposed on the lower casing 200, located downstream of the printing head 410 in the paper discharge direction, and the movable blade 520 is fixedly disposed on the printer upper cover 100 along the paper exiting The direction is located downstream of the printing rubber roller 420; when the printer upper cover 100 is closed, the stationary blade 510 is laterally opposed to the movable blade 520, and the printing paper passes between the stationary blade 510 and the movable blade 520. Downstream of the paper cutting assembly 500, a curl correction assembly 600 is provided downstream of the paper cutting assembly 500.
  • the curl correction assembly 600 is fixedly disposed on the upper cover 100 and can be flipped open with respect to the lower cover 200 with respect to the upper cover 100. After the cut paper is subjected to bending correction, it is neatly placed at the paper exit.
  • Figure 7 is a cross-sectional view showing the structure of a curl correcting unit 600 of a recording medium processing apparatus using the curl correcting mechanism of the present invention.
  • the curl correction assembly 600 includes a bracket 610, a screw cap 620, a belt 1, a first transmission 2, a second transmission 3, a press 4, and a drive mechanism (not shown).
  • the bracket 610 is fixedly disposed on the upper cover 100, and the screw cover 620 is hinged with the bracket 610, and can be opened and closed with respect to the bracket 610.
  • the first driving roller 2, the second driving roller 3, and the pressing roller 4 are mounted on a bracket 610, and the belt 1 is tightly wound around the outer circumferences of the first driving roller 2 and the second driving roller 3.
  • the pressure roller 4 is in contact with the belt 1, and at the point where the belt 1 comes into contact with the pressure roller 4, the belt 1 is pressed and deformed by the pressure roller 4 to form an arcuate concave portion.
  • the printer drive system (not shown), the paper is transported from the paper-producing assembly 300 to the printing assembly 400, and the image or text is printed on the surface of the paper by the printing assembly 400. After the printing is completed, the paper is cut at the paper cutting assembly 500.
  • Fig. 8 is a view showing the configuration of a second embodiment of a recording medium processing apparatus using the curl correcting mechanism of the present invention.
  • the present embodiment is different from the above-described first embodiment in that the curl correcting mechanism 600 in this embodiment is disposed downstream of the paper taking unit 300 and upstream of the printing unit 400 in the paper discharge direction.
  • the first driving roller 2 and the second driving roller 3 are hingedly disposed on the lower casing 200, and the pressing roller 4 is hingedly disposed on the upper cover 100.
  • the pressure roller 4 is opened together with the upper cover 100, and can be used for paper feeding and paper jam removal.
  • the curl correcting mechanism 600 may drive the first driving roller 2 or the second driving roller 3 using a driving mechanism of the recording medium processing device, and of course, may not drive the first driving roller 2 or the second driving roller 3, the curled paper Driven by the printing roller, it can also be transported downstream through the curl correction mechanism.
  • the curl correcting mechanism 600 may also be disposed downstream of the printing assembly 400 and upstream of the paper cutting assembly 500. This manner of setting the paper curl correction before cutting the paper avoids The problem of paper jam due to paper bending during paper cutting reduces unnecessary trouble for the user.

Landscapes

  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Description

卷曲校正枳^ J及使用该卷曲校正机构的 i己录介质处理装置 技术领域 本发明涉及机械领域， 具体地涉及一种纸张卷曲校正机构及使用该卷曲 校正机构的记录介质处理装置。 背景技术 卷筒纸作为打印介质广泛地应用于打印机、传真机等记录介质处理装置。 由于卷筒纸的纸张缠绕在卷筒纸的芯轴上，纸张展开后会有一定的卷曲， 尤其当卷筒纸上剩余的纸量不多时， 纸张卷曲的曲率会更大。 在打印过程中 纸张卷曲容易引起打印机卡纸， 而且在完成打印、 卷筒纸被切断后出纸时， 卷曲的纸张在出纸口无法整齐的码放， 影响用户使用。 日本专利 JP2000143067公开了一种消除卷筒纸卷曲的解决方案， 如图 1 所示， 卷曲校正机构 30包括一个硬质轴 36 , 在硬质轴 36外面设置有变形 昆 34 , 硬质轴 36与惰轮 32相切设置， 变形棍 34与惰轮 32相切处， 变形棍 34 受到惰轮 32的挤压力表面形成一个凹痕。 当硬质轴 36转动， 带动卷曲的纸 张经过凹痕处时， 纸张在惰轮 32的两边分别产生与卷曲方向相反的变形， 从而卷曲得以校正。 这种方案实现纸张卷曲校正功能， 要求在硬质辊 36外面设置的变形辊 34的材料为可变形材料， 由可变性材料支撑的变形辊 34在与惰轮 32接触时 能够产生变形， 使卷曲的纸张在经过纸张卷曲校正组件时能够产生与卷曲相 反方向的变形， 实现纸张的卷曲校正。 因此， 对于变形辊 34的材料要求较 高， 相应地， 也提高了制造成本。 发明内容 本发明旨在提供一种纸张卷曲校正机构及使用该卷曲校正机构的记录介 质处理装置， 能够解决现有技术中纸张卷曲校正机构制作成本高的问题。 根据本发明的一个方面， 提供了一种卷曲校正机构， 包括： 两个平行设 置的传动辊， 分别为第一传动辊和第二传动辊； 传动带， 套设在第一传动辊 和第二传动辊上； 压辊， 与传动带接触配合， 并使传动带表面形成弧形凹部。 进一步地， 卷曲校正机构还包括： 驱动机构， 用于驱动第一传动辊或第 二传动辊。 进一步地， 第一传动辊和第二传动辊分别与压辊通过传动带相切。 进一步地， 各传动辊包括芯轴及包围在芯轴上的橡胶层， 橡胶层在芯轴 上分段设置， 且每段橡胶层上均套设有传动带。 进一步地， 橡胶层为两段， 设置在芯轴的两端， 使传动辊呈两端粗中间 细的哑铃型。 进一步地， 压辊呈中间粗两端细的纺锤型形状。 进一步地， 压辊中部设有按一定间隔排布的多个环形凸起， 各环形凸起 的外表面在压辊的轴向上整体呈中间粗两端细的纺锤型形状。 进一步地， 压辊的中间部位固定安装有套筒， 套筒的外径大于压辊的外 径。 根据本发明的另一个方面， 提供了一种记录介质处理装置， 包括设置于 记录介质处理装置壳体外的卷曲校正组件， 卷曲校正组件包括： 支架， 与支 架铰接的旋盖以及设置于支架与旋盖形成的空间内的卷曲校正机构， 其中， 卷曲校正机构为前面的卷曲校正机构。 进一步地， 该记录介质处理装置还包括： 引导部， 由旋盖的内表面形成， 用于将切断后的纸张导入卷曲校正机构内。 根据本发明的另一个方面， 还提供了一种记录介质处理装置， 包括设置 在记录介质处理装置壳体内部的卷曲校正机构， 卷曲校正机构为前面所述的 卷曲校正机构。 根据本发明的卷曲校正机构， 通过设置第一传动辊和第二传动辊， 在第 一传动辊和第二传动辊上套装常用的皮带； 压辊 4氏压在皮带上， 通过皮带在 压昆碾压下产生变形， 卷曲的纸张在变形处产生与其卷曲方向相反的变形， 从而校正纸张的卷曲。根据本发明的本发明的卷曲校正机构与现有技术相比， 对材料要求低， 方便维修且降低了制造成本。 附图说明 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示意性示出了现有技术中的一种卷曲校正机构的结构示意图； 图 2示意性示出了本发明的卷曲校正机构的结构示意图； 图 3示意性示出了本发明的卷曲校正机构的优选实施方式的结构示意 图； 图 4示意性示出了本发明的卷曲校正机构中压辊的一种优选实施方式的 结构示意图； 图 5示意性示出了本发明的卷曲校正机构中压辊的另一种优选实施方式 的结构示意图； 图 6示意性示出了本发明的记录介质处理装置第一实施例的结构示意 图； 图 7示意性示出了本发明的记录介质处理装置第一实施例中卷曲校正组 件的结构示意图； 图 8示意性示出了本发明的记录介质处理装置第二实施例的结构示意 图。 具体实施方式 需要说明的是， 在不冲突的情况下， 本申请中的实施例及实施例中的特 征可以相互组合。 下面将参考附图并结合实施例来详细说明本发明。 图 2示意性示出了根据本发明的卷曲校正机构的结构示意图。如图所示， 卷曲校正机构包括皮带 1 (传动带）， 两个平行设置的传动辊（第一传动辊 2 , 第二传动辊 3 ),压辊 4。皮带 1紧密套装在第一传动辊 2和第二传动辊 3上， 皮带 1处于绷紧状态。压辊 4与皮带 1接触配合，在皮带 1与压辊 4接触处， 皮带 1被压辊 4挤压变形， 形成弧形凹部。 卷曲的纸张经过该卷曲校正机构 往下游输送， 当卷曲的纸张在通过皮带 1与压昆 4处的弧形凹部时， 受碾压 产生与卷曲方向相反的变形， 卷曲的纸张得以校正。 根据本发明的卷曲校正机构， 利用常用的皮带 1与压辊 4相接触产生的 变形， 使经过该变形处的卷曲的纸张产生与自身卷曲相反方向的变形， 实现 纸张卷曲校正， 从而降低了对辊轮的材料要求， 相应地降低了制造成本。 另 夕卜， 长时间使用后， 由于磨损造成皮带变薄， 校正效果变差需要维护时， 由 于皮带为常用零件， 维护便利且成本低。 优选地， 卷曲校正机构还包括： 驱动机构（图中未示出）， 用于驱动第一 传动辊 2或第二传动辊 3。 这样， 当第一传动辊 2或第二传动辊 3受驱动机 构驱动而转动时， 在摩擦力作用下， 带动皮带 1随之同步运动； 在皮带 1与 压辊 4之间的摩擦力作用下， 压辊 4也随皮带 1同步转动， 纸张被向卷曲校 正机构下游输送。 这样， 可以防止纸张在经过该卷曲校正机构时受到来自卷 曲校正机构的阻力， 造成纸张撕裂或输出不顺畅等问题。 参见图 3 , 示出了本发明的卷曲校正机构的一种优选方式。 其中， 第一 传动辊 2和第二传动辊 3分别与压辊 4通过皮带 1相切。 此时， 卷曲的纸张 除受皮带 1变形产生的弹性力碾压之外， 还受到第一传动辊 2和第二传动辊 3的挤压力， 因此纸张产生与其卷曲方向相反的变形会更明显， 校正效果也 会更好。 通常， 传动辊包括芯轴和固定在芯轴外周的橡胶层， 橡胶层可以与芯轴 轴向长度大体相等， 但为了降低成本， 橡胶层可以分段设置。 图 4和图 5以 第二传动辊 3为例示出了传动辊的一种优选实施方式， 如图所示， 橡胶层为 两段， 设置在所述芯轴的两端， 使第二传动辊 3呈两端粗、 中间细的哑铃型 形状， 第一传动辊 2可以釆用和第二传动辊 3相同的结构。 这样， 可以节约 材料， 进一步降低成本。 皮带 1的根数对应于传动辊上橡胶层的分布段数。 当第一传动辊 2和第二传动辊 3上的橡胶层分别为两段设置、 传动辊呈两端 粗中间细的哑铃型时， 皮带 1相应地为两根， 每根皮带分别套设在哑铃型传 动辊对应端的橡胶层上。 两 -皮带均套设在第一传动辊 2和第二传动辊 3上 后， 在沿传动辊轴线方向上大体平行， 且两根皮带之间的最大距离应小于纸 张在进纸方向上的宽度。 当然， 在实际应用中， 橡胶层也可以在传动辊芯轴 外端设置三段、 四段等， 相应地， 皮带的根数也随橡胶层的段数而变化。 优选地， 压昆 4釆用中间粗两端细的纺锤型形状， 当卷曲的纸张 P通过 皮带 1与压昆 4之间时， 在进纸方向上， 纸张 P在皮带 1的弧形凹部处产生 与纸张卷曲方向相反的变形； 在纸张宽度方向， 纸张 P中间部位受压辊 4中 间突出部位的作用， 产生与纸张卷曲方向相反的变形， 同样能够对纸张卷曲 实现校正。 形成纺锤型形状的压辊可以是整根压辊 4为纺锤型， 也可以如图 4中所 示出的， 在压辊 4上设置按一定间隔排布圓环形凸起 41 , 圓环形凸起 41在 外形轮廓沿压昆轴向呈中间粗， 两端细的形 ^1大。 或者如图 5所示， 在压辊 4的中间部位固定安装套筒 42 , 套筒 42的外 径大于压辊 4的外径， 套筒 42随压辊 4一起转动。 当卷曲的纸张 P在通过 皮带 1与压昆 4之间时， 在进纸方向上， 纸张 P在皮带 1的弧形凹部处产生 与纸张卷曲方向相反的变形； 在纸张宽度方向上， 纸张 P在套筒 42处产生 与纸张卷曲方向相反的变形， 因此纸张卷曲校正效果更优。 显然， 本发明中的传动带 1并不限于上述的皮带， 还可以为其他材质的 套设在第一传动辊 2和第二传动辊 3上、 起传动作用的柔性传动带。 本发明 中第一传动棍 2或第二传动棍 3中在驱动机构例如电机的驱动下转动、 通过 皮带 1传动的具体驱动方式在现有技术中多有涉及， 在此不再赞述。 本发明的卷曲校正机构可以应用在打印机、 扫描仪、 复印机、 传真机等 记录介质处理装置上。 图 6是使用本发明卷曲校正机构的记录介质处理装置 第一实施例的结构示意图。 本实施例中的记录介质处理装置以打印机为例。 如图 6所示， 打印机包括上盖 100, 下壳体 200, 上盖 100铰接在下壳 体 200上， 可以相对于下壳体 200开合。 在上盖 100与下壳体 200形成的空 间内后部， 设置有容纸组件 300, 用于容纳卷筒状打印纸。 沿打印纸输送方向， 在容纸组件 300的下游， 设置有打印组件 400, 用 于在打印纸上打印预先设定的打印内容。 打印组件 400釆用何种方式进行打 印不影响本发明的实施， 因此， 打印组件 400可以是热打印组件， 也可以是 针式、 喷墨、 激光等打印组件。 本实施例中打印组件 400是热打印组件， 包括打印头 410和打印胶昆 420, 其中打印头 410固定在下壳体 200上， 打印胶棍 420固定在上盖 100 上，当打印机上盖 100相对于下壳体 200闭合时，打印头 410与打印胶棍 420 相切， 打印胶棍 420在打印机传动系统驱动下旋转， 带动纸张在打印头 410 与打印胶昆 420之间向打印组件 400下游传输， 同时， 打印头 410在打印纸 上进行打印。 由于传统的针式、 喷墨、 激光等打印组件设置形式为本领域技 术人员所熟知， 并且其设置与本发明关联性不大， 因此不再赘述。 在打印组件 400下游设置有切纸组件 500 , 用于将打印后的纸张切断。 切纸组件 500包括静刃 510和动刃 520,其中静刃 510固定设置在下壳体 200 上， 沿出纸方向位于打印头 410的下游， 动刃 520固定设置打印机上盖 100 上， 沿出纸方向位于打印胶辊 420的下游； 当打印机上盖 100闭合时， 静刃 510与动刃 520横向相对， 打印纸从静刃 510与动刃 520之间通过。 在切纸组件 500下游， 设置有卷曲校正组件 600。 卷曲校正组件 600固 定设置在上盖 100上， 可随上盖 100相对于下壳体 200翻转打开， 用于将切 断后的纸张进行弯曲校正后， 整齐地码放在出纸口处。 图 7是使用本发明卷曲校正机构的记录介质处理装置的卷曲校正组件 600的结构剖面图。 如图所示， 卷曲校正组件 600包括支架 610、 旋盖 620、 皮带 1 , 第一传动昆 2 , 第二传动昆 3 , 压昆 4 , 以及驱动机构（图中未示出）。 其中， 支架 610固定设置在上盖 100上， 旋盖 620与支架 610铰接， 可相对 支架 610开合。 第一传动辊 2、 第二传动辊 3和压辊 4安装在支架 610上， 皮带 1紧密缠绕在第一传动辊 2和第二传动辊 3外周。 压辊 4与皮带 1接触 配合， 在皮带 1与压辊 4接触处， 皮带 1被压辊 4挤压变形， 形成弧形凹部。 在打印机传动系统 （图中未示出） 驱动下， 纸张从容纸组件 300输送至 打印组件 400 , 通过打印组件 400在纸张表面打印图像或文字， 完成打印后 纸张在切纸组件 500处被切断， 切断后的纸张受旋盖 620内壁位于打印机出 纸口处的引导部 621作用， 被导入到皮带 1与压辊 4之间， 在卷曲校正组件 600的驱动机构驱动下， 卷曲的纸张通过皮带 1与压棍 4处的弧形凹部被校 正后，旋盖 620内壁位于支架 610上方的导向筋 622能够调整纸张运动方向， 使其整齐地码放在支架 610与旋盖 620形成的纸仓 630内。 图 8是使用本发明卷曲校正机构的记录介质处理装置的第二实施例结构 示意图。 如图所示， 本实施例与上述第一实施例不同之处在于， 沿打印纸出 纸方向， 本实施例中的卷曲校正机构 600设置在容纸组件 300的下游， 打印 组件 400的上游。 其中第一传动辊 2和第二传动辊 3铰接设置在下壳体 200 上， 压辊 4铰接设置在上盖 100上。 当上盖 100相对于下壳体 200打开时， 压辊 4随上盖 100—同打开， 可以进行上纸， 清除塞纸等操作。 当上盖 100 相对于下壳体 200闭合时， 皮带 1被压辊 4挤压变形， 在皮带 1上变形产生 弧形凹部， 纸张通过时可进行弯曲校正， 避免了在打印过程中由于纸张弯曲 而卡纸的问题。 其中， 卷曲校正机构 600可以使用记录介质处理装置的驱动 机构来驱动第一传动辊 2或第二传动辊 3 , 当然也可以不对第一传动辊 2或 第二传动辊 3进行驱动， 卷曲的纸张在打印胶辊的带动下， 同样可以经过卷 曲校正机构往下游输送。 需要说明的是， 沿打印纸出纸方向， 卷曲校正机构 600还可以设置在打 印组件 400的下游、 切纸组件 500的上游， 这种在进行切纸之前进行纸张卷 曲校正的设置方式， 避免了在切纸时由于纸张弯曲而卡纸的问题， 为用户减 少了不必要的麻烦。 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^"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. 一种卷曲校正机构， 其特征在于， 包括： 两个平行设置的传动辊，分别为第一传动辊（ 2 )和第二传动辊（ 3 ); 传动带 （ 1 ), 套设在所述第一传动辊（ 2 )和所述第二传动辊（ 3 ) 上；
压辊 （4 ), 与所述传动带 （ 1 )接触配合， 并使所述传动带 （ 1 ) 表面形成弧形凹部。
2. 根据权利要求 1所述的卷曲校正机构， 其特征在于， 还包括： 驱动机 构， 用于驱动所述第一传动辊 （ 2 ) 或所述第二传动辊 （ 3 )。
3. 根据权利要求 1所述的卷曲校正机构， 其特征在于， 所述第一传动辊
( 2 )和所述第二传动辊（ 3 )分别与所述压辊（ 4 )通过所述传动带（ 1 ) 相切。
4. 根据权利要求 1所述的卷曲校正机构， 其特征在于， 各所述传动辊包 括芯轴及包围在所述芯轴上的橡胶层， 所述橡胶层在所述芯轴上分段 设置， 且每段橡胶层上均套设有所述传动带。
5. 根据权利要求 4所述的卷曲校正机构， 其特征在于， 所述橡胶层为两 段， 设置在所述芯轴的两端， 使所述传动昆呈两端粗中间细的哑铃型。
6. 根据权利要求 1所述的卷曲校正机构， 其特征在于， 所述压辊（4 )呈 中间粗两端细的纺锤型形 。
7. 根据权利要求 1所述的卷曲校正机构， 其特征在于， 所述压辊（4 ) 中 部设有按一定间隔排布的多个环形凸起 ( 41 ), 各所述环形凸起的外表 面在所述压辊 （4 ) 的轴向上整体呈中间粗两端细的纺锤型形状。
8. 根据权利要求 1所述的卷曲校正机构， 其特征在于， 所述压辊（4 ) 的 中间部位固定安装有套筒（ 42 ),所述套筒的外径大于所述压辊的外径。
9. 一种记录介质处理装置， 其特征在于， 包括设置于所述记录介质处理 装置壳体外的卷曲校正组件 （600 ), 所述卷曲校正组件 （600 ) 包括： 支架 （610), 与所述支架 （610)铰接的旋盖 （620) 以及设置于所述 支架（610)与所述旋盖（620)形成的空间内的卷曲校正机构， 其中， 所述卷曲校正机构为权利要求 1至 8中任一项所述的卷曲校正机构。
10. 根据权利要求 9所述的记录介质处理装置， 其特征在于， 还包括： 引 导部 （621), 由所述旋盖 （620) 的内表面形成， 用于将切断后的纸张 导入所述卷曲校正机构内。
11. 一种记录介质处理装置， 包括设置在所述记录介质处理装置壳体内部 的卷曲校正机构， 其特征在于， 所述卷曲校正机构为权利要求 1至 8 中任一项所述的卷曲校正机构。
PCT/CN2011/072011 2010-04-01 2011-03-21 卷曲校正机构及使用该卷曲校正机构的记录介质处理装置 WO2011120388A1 (zh)

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