WO2012058882A1 - 瓦楞纸板印刷机多点调整刮刀匀墨装置及瓦楞纸板印刷机 - Google Patents

瓦楞纸板印刷机多点调整刮刀匀墨装置及瓦楞纸板印刷机 Download PDF

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Publication number
WO2012058882A1
WO2012058882A1 PCT/CN2011/070991 CN2011070991W WO2012058882A1 WO 2012058882 A1 WO2012058882 A1 WO 2012058882A1 CN 2011070991 W CN2011070991 W CN 2011070991W WO 2012058882 A1 WO2012058882 A1 WO 2012058882A1
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Prior art keywords
blade
support
printing machine
adjustment
frame
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PCT/CN2011/070991
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English (en)
French (fr)
Inventor
褚衍友
陈清泰
姚旭
Original Assignee
青岛美光机械有限公司
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Application filed by 青岛美光机械有限公司 filed Critical 青岛美光机械有限公司
Publication of WO2012058882A1 publication Critical patent/WO2012058882A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F31/00—Inking arrangements or devices
    • B41F31/02—Ducts, containers, supply or metering devices
    • B41F31/04—Ducts, containers, supply or metering devices with duct-blades or like metering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F9/00—Rotary intaglio printing presses
    • B41F9/06—Details
    • B41F9/08—Wiping mechanisms
    • B41F9/10—Doctors, scrapers, or like devices

Definitions

  • Corrugated board printing machine multi-point adjustment scraper evening device and corrugated board printing machine
  • the invention belongs to the technical field of packaging printing machinery, and relates to a flexible ink printing device for corrugated carton production, in particular to a device for controlling the amount of ink of a ceramic anilox roller for a corrugated cardboard printing machine.
  • Corrugated board water-based ink flexible printing machine is an essential mechanical equipment for corrugated board printing in the carton packaging industry.
  • Corrugated board printing in the printing department of the printing press is a process of ink transfer. The working process is: first, the ink is transferred to the anilox roller, and then transferred by the anilox roller to the flexographic printing plate, and finally transferred from the flexible printing plate to the corrugated cardboard surface to complete the printing. In this process, it is very important to control the amount of ink transferred by the anilox roller. The amount and uniformity of the ink directly affect the printing effect.
  • the double-squeegee leveling device controls the ink volume very accurately, it is prone to ink leakage during use, causing downtime of the corrugated board printing press and contamination of the printed product, which limits the use of such devices.
  • the amount of ink varies greatly at different printing speeds of the rubber roller leveling device.
  • the rubber roller and the single blade hooking device are improvements to both devices.
  • the structure of the existing rubber roller and single blade ink leveling device is as shown in FIG. 1 and FIG. 1-1, and is mainly composed of a doctor blade holder 3, a doctor blade 4, a pressure plate 6, a connecting rod 2, a pressurizing cylinder 1, and the like.
  • the link 2 is connected to the pressurizing cylinder 1 via a hinge 9 to form a link mechanism, and the blade holder 3 is fixed to the link 1 by means of a screw 7, and the blade 4 is pressed against the blade holder 3 by a press plate 6.
  • the working principle is that the compressed air is used as the power to drive the pressing cylinder 1, and the scraping blade 4 is pressed against the anilox roller 8 through the link mechanism 2, and the anilox roller 8 is scraped by the scraping blade 4 while rotating.
  • the length of the scraper frame is generally more than 1.5 m.
  • the scraper holder only determines the distance between the scraper holder and the anilox roller by the cylinder and the link mechanism, and the scraper frame 3 bears its own weight and
  • the force generated when the doctor blade 4 is uniformly inked causes deformation, and the degree of adhesion of the doctor blade 4 and the anilox roller 8 due to the deformation is different in the entire length of the anilox roller 8, which seriously affects the effect of the ink hook. It can be seen that the technical solution cannot adjust the micro-precision of the scraper holder. It is the main reason for the poor leveling effect; 1.
  • the vibration of the doctor blade 4 is intensified when the machine is running at high speed due to the failure to take the vibration reduction measures, so that the effect of the ink level is further deteriorated; 3.
  • the maintenance is poor, due to the scraping blade 4 It is directly pressed by the pressure plate 6.
  • the screws need to be loosened, which is time consuming and laborious.
  • the blade 4 is not easily placed accurately when reinstalled.
  • the invention provides a multi-point adjusting blade leveling device and a corrugated board printing machine for a corrugated board printing machine, which can solve the problem that the bonding degree of the doctor blade and the anilox roller existing in the prior art is tight on the entire length of the anilox roller. Different, affecting the problem of even ink.
  • the object of the present invention is to provide a control device for the ink amount of a corrugated cardboard printing machine in view of the deficiencies in the prior art, so that the corrugated cardboard printing machine has a wider adapting range and a more beautiful printed product.
  • the technical solution of the present invention is a multi-point adjustment blade squeezing device for a corrugated cardboard printing machine, comprising a cylinder, a link mechanism, a squeegee holder and a squeegee, the cylinder shaft of the cylinder and
  • the linkage mechanism is hinged, and is characterized in that: a support frame is provided, and at least two sets of scraper adjustment devices are arranged on the support frame, and the scraper holder adjustment device comprises a support frame guide tube, a support shaft, an adjustment nut and Adjusting a handle, the support frame guide tube is passed through the support frame and fixed to the support frame, a part of the support shaft is mounted in the support frame guide tube, and an exposed shaft end of the support shaft is fixed to the blade holder
  • the other end of the support shaft in the support guide tube is an adjustment nut, and the adjustment nut is screwed to the support guide tube, and the adjustment handle is threadedly connected to the support shaft through the adjustment nut
  • the link mechanism is provided with a rotating sleeve, and the rotating sleeve is fixedly connected with the supporting frame; or the connecting rod mechanism is directly connected with the supporting frame.
  • a vibration damping pad is disposed between the adjusting nut and the support shaft end, and the vibration damping pad is made of rubber or rubber material.
  • doctor blade on the doctor blade is pressed by a rubber strip.
  • a water spray pipe is disposed in the ink returning groove of the doctor blade holder.
  • the number of the blade holder adjusting devices ranges from 2 to 6 sets.
  • the invention has the following advantages and positive effects:
  • a flexible damping pad is added between the adjusting nut and the support shaft, so that the whole device has good vibration damping property, and the elastic deformation amount can eliminate the error between the adjusting devices and improve the balance of the adjustment. , and can achieve vibration absorption, work smooth, and improve reliability.
  • the whole device has been significantly improved in terms of accuracy adjustability, vibration absorption and maintenance.
  • FIG. 1 is a schematic structural view of a prior art rubber roller and a single blade ink aligning device
  • Figure 1-1 is a cross-sectional view taken along line A-A of Figure 1;
  • Figure 1 is a structural view of a multi-point adjusting blade aligning device of the corrugated cardboard printing machine of the present invention
  • Figure 2-1 is a cross-sectional view taken along line B-B of Figure 2;
  • Figure 1-1 is a structural view of a cylinder, a link mechanism, a rotary sleeve and a support frame of the multi-point adjusting blade aligning device of the corrugated cardboard printing machine of the present invention
  • Figure 2-3 is a partial enlarged view of the blade holder adjusting device of the multi-point adjusting blade leveling device of the corrugated board printing machine of the present invention
  • the length of the doctor blade 4 is more than 1. 5 meters, because the blade 10 is very thin, the thickness is about 0.15mm.
  • the concept of the present invention is: the cylinder shaft of the cylinder 1 is hinged to the link mechanism 2, and the link mechanism 2 is provided with a rotary sleeve 3, The sleeve 3 has a pin shaft 3-1 which is inserted into the shaft hole of the joint surface of the link mechanism 1.
  • the support frame 5 is fitted over the rotary sleeve 3 and is locked and fixed by a set screw 19.
  • the support frame 5 is a round pipe body having a length slightly longer than the blade holder 4.
  • Three sets of scraper adjustment devices T are provided on the support frame 5, and the scraper adjustment device T includes a support frame guide tube 16, a support shaft 7, an adjustment nut 15 and an adjustment handle 13, and the support frame guide tube 16 passes through the support frame. 5 and welded and fixed to the support frame 5, a part of the shaft body of the support shaft 7 is mounted in the support frame guide tube 16, and one end of the support shaft 7 near the blade holder 4 is fixedly connected with the blade holder 4 by screws 18.
  • the other end of the support shaft 7 in the support frame guide tube 16 is an adjustment nut 15 , and the adjustment nut 15 is screwed to the support frame guide tube 16 .
  • the adjustment nut 15 has a through hole 17 in the middle thereof, and the adjustment handle 13 passes through the adjustment nut 15 .
  • the through hole 17 is screwed to the support shaft 7.
  • a damping pad 6 is provided between the adjusting nut 15 and the support shaft 7, and the damping pad 6 is made of a rubber material.
  • the doctor blade 10 on the doctor blade holder 4 is pressed by the rubber strip 11.
  • a water spray pipe 8 is provided in the ink returning groove 14 of the doctor blade holder 4 to facilitate cleaning of the ink.
  • the invention is composed of a cylinder pushing link to form a crank slider mechanism to push the whole device, and the pressure regulating valve adjusts the pressure of the compressed air to control the output force of the cylinder to achieve the purpose of controlling the degree of adhesion between the doctor blade 10 and the anilox roller 12.
  • the link mechanism 2 is provided with a rotary sleeve 3 for adjusting the tangential angle of the adjustment blade 10 and the anilox roller 12.
  • the sleeve 3 is connected and supported by the support frame 5.
  • the support frame 5 is provided with three sets of scraper adjustment devices T, three support shafts 7, and any one of the three points can be freely adjusted in a small amount, which can effectively adjust the straightness of the beater frame.
  • the amount of ink of the anilox roller 12 is more uniform due to the increase in straightness.
  • the effect of the ink is provided with a doctor blade 10, which is pressed by the rubber strip 11, and is securely fastened, and the blade 10 can be easily replaced.
  • the ink returning tank 14 of the scraper holder 4 is provided with a cleaning water spray copper pipe 8, and a plurality of water spray holes are formed in the pipe body for cleaning and maintenance.
  • the three adjustment handles 1 3 are loosened to make a gap with the adjustment nut 15, and the rotation adjustment nut 15 can make the support shaft 7 axially enter and exit. Further, the blade holder 4 is axially moved to substantially match the distance between the doctor blade 10 and the anilox roller 10. After the adjustment is completed, the adjusting handle 1 3 is tightened, and the end surface of the supporting shaft 7 is abutted against the adjusting nut 15 to adjust the position of the blade holder 4, thereby ensuring that the bonding degree of the doctor blade 10 and the anilox roller 12 is The uniformity over the entire length of the anilox roll 12.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Description

瓦楞纸板印刷机多点调整刮刀匀墨装置及瓦楞纸板印刷机 技术领域
本发明属于包装印刷机械技术领域， 涉及瓦楞纸箱生产的柔性水墨印刷设 备， 具体地说， 是用于瓦楞纸板印刷机控制陶瓷网紋辊水墨量的装置。
背景技术
瓦楞纸板水性油墨柔性印刷机是纸箱包装行业一种必备的用于瓦楞纸板印 刷的机械设备。 瓦楞纸板在印刷机印刷部进行印刷， 是一个水墨转移的过程。 工作过程是， 首先水墨转移到网紋辊上， 再由网紋辊转移到柔性印版上， 最后 由柔性印版转移到瓦楞纸板面上完成印刷。 在这一过程中， 对网紋辊转移墨量 的控制是非常重要的， 墨量的多少和均匀性直接影响印刷的效果。
现有的控制墨量的装置有三类： 一是胶辊匀墨， 二是双刮刀匀墨， 三 交 辊和单刮刀匀墨。 尽管双刮刀匀墨装置对墨量的控制非常精准， 但由于在使用 中容易出现漏墨现象， 造成瓦楞纸板印刷机的停机和对印品的污染， 限制了该 类装置的使用。 而胶辊匀墨装置在不同的印刷速度下， 墨量变化很大。 胶辊和 单刮刀勾墨装置是对上述两种装置的改进。
现有的胶辊和单刮刀匀墨装置结构如图 1和图 1-1所示，主要由刮刀架 3、 刮刀片 4、 压板 6、 连杆 2、 加压气缸 1等组成。 连杆 2通过铰链 9与加压气缸 1相连组成连杆机构，使用螺钉 7把刮刀架 3同连杆 1固定在一起，使用压板 6 把刮刀片 4压在刮刀架 3上。 其工作原理是利用压缩空气作为动力驱动加压气 缸 1动作， 通过连杆机构 2 , 把刮刀片 4压向并紧贴在网紋辊 8上， 网紋辊 8 在转动时通过刮刀片 4刮墨，实现对墨量的控制。该技术方案的主要缺点是， 1、 刮刀架长度一般都超过 1. 5米， 刮刀架仅是依靠气缸和连杆机构确定其与网紋 辊之间的距离， 刮刀架 3由于承受自身重量和刮刀片 4匀墨时产生的力导致变 形，因变形导致刮刀片 4与网紋辊 8的贴合程度在网紋辊 8的全长上^^紧不一， 严重影响了勾墨的效果。 可见， 该技术方案不能对刮刀架进行微量精度调整， 是匀墨效果不好的主要原因； 1、 由于未釆取减振措施，造成机器高速运转时刮 刀片 4振动加剧， 使匀墨效果进一步变差； 3、 维护性较差， 由于刮刀片 4是由 压板 6直接压紧， 更换刮刀片 4时需要将螺丝全部松开， 费时费力， 同时重新 安装时， 刮刀片 4也不容易准确就位。
发明内容
本发明提供了一种瓦楞纸板印刷机多点调整刮刀匀墨装置及瓦楞纸板印刷 机， 它可以解决现有技术存在的刮刀片与网紋辊的贴合程度在网紋辊的全长上 松紧不一， 影响匀墨的问题。
本发明的目的是针对现有技术中存在的不足， 提供一种瓦楞纸板印刷机墨 量控制装置， 使瓦楞纸板印刷机的适应范围更广、 印品更加精美。
为了达到解决上述技术问题的目的， 本发明的技术方案是， 一种瓦楞纸板 印刷机多点调整刮刀匀墨装置， 包括气缸、 连杆机构、 刮刀架和刮刀片， 所述 气缸的气缸轴与所述连杆机构铰接， 其特征在于： 设有一支撑架， 在所述支撑 架上设有至少两套刮刀架调整装置， 所述刮刀架调整装置包括支撑架导向管、 支撑轴、 调整螺母和调整把手， 所述支撑架导向管穿过所述支撑架且与支撑架 固定， 所述支撑轴的一部分装在所述支撑架导向管内， 所述支撑轴的外露轴端 与所述刮刀架固定， 在支撑架导向管内的支撑轴另一端为调整螺母， 所述调整 螺母与支撑架导向管螺紋连接 ,所述调整把手穿过调整螺母与支撑轴螺紋连接。
进一步地， 所述连杆机构上装有转套， 所述转套与支撑架连接固定； 或者 所述连杆机构直接与所述支撑架连接。
又进一步地， 所述调整螺母与所述支撑轴端之间设有减振垫， 所述减振垫 是由橡胶或橡塑材料制成。
再进一步地， 所述刮刀架上的刮刀片由橡胶条压紧。
更一步地， 所述刮刀架的回墨槽中设有喷水管。
可选的， 所述刮刀架调整装置的数量范围为 2-6套。
一种瓦楞纸板印刷机， 安装有上述技术方案所述的瓦楞纸板印刷机多点调 整刮刀勾墨装置。
本发明与现有技术相比具有以下优点和积极效果：
①在长度超过 1. 5米的刮刀架上增设了多套刮刀架调整装置， 使安装后的 刮刀架可以微量调整它与网紋辊之间的距离， 提高了刮刀架的精度可调性， 避 免了由于加工误差和本身的挠性造成直线度的误差加大， 提高了匀墨效果。
②在调整螺母和支撑轴之间加设了柔性减振垫， 使整个装置具有良好的减 振性， 因具有一定弹性变形量， 可消除各调整装置之间的误差， 提高调整的均 衡一致性， 且可以实现吸振、 工作平稳， 提高了可靠性。
③釆用橡胶条压紧刮刀片， 拆卸和安装方便且可靠。
④在回墨槽中加设喷水系统， 使整个装置维护更加方便。
⑤整个装置在精度可调性、 吸振性和维护性等方面有了明显的提高。
附图说明
图 1是现有技术的胶辊和单刮刀匀墨装置结构示意图；
图 1-1是图 1中的 A-A剖视图；
1、 加压气缸； 2、 连杆机构； 3、 刮刀架； 4、 刮刀片； 5、 胶辊； 6、 压板； 7、 螺钉； 8、 网紋辊； 9、 铰链；
图 1是本发明瓦楞纸板印刷机多点调整刮刀匀墨装置的结构图；
图 2-1是图 2中的 B-B剖视图；
图 1-1是本发明瓦楞纸板印刷机多点调整刮刀匀墨装置的气缸、连杆机构、 转套和支撑架结构图；
图 2-3是本发明瓦楞纸板印刷机多点调整刮刀匀墨装置的刮刀架调整装置 局部放大图；
1、 气缸； 2、 连杆机构； 3、 转套； 3-1、 销轴； 4、 刮刀架； 5、 支撑架； 6、 减振垫； 7、 支撑轴； 8、 清洗喷水铜管； 9、 胶辊； 1 0、 刮刀片； 11、 橡胶条； 12、 网紋辊； 1 3、 调整把手； 14、 回墨槽； 15、 调整螺母； 16、 支撑架导向管； 17、 通孔； 18、 螺钉； 19、 定位螺钉； T、 刮刀架调整装置。 具体实施方式
下面结合附图和实施例对本发明进行详细地描述。
参见图 2、 图 2-1、 图 2-2和图 2-3 , 刮刀架 4的长度超过 1. 5米， 由于刮 刀片 10很薄， 厚度约 0. 15mm。 为了提高刮刀片 1 0与网紋辊 12在整个长度上 接触的均衡一致性， 本发明的构思是： 气缸 1的气缸轴与连杆机构 2铰接， 连 杆机构 2上装有转套 3 ,转套 3端面上有一销轴 3-1 ,该销轴 3-1插装在连杆机 构 1结合面的轴孔内。支撑架 5套装在转套 3上并用定位螺钉 19锁紧固定。支 撑架 5为圓管体， 长度比刮刀架 4略长。 在支撑架 5上设有三套刮刀架调整装 置 T, 所述刮刀架调整装置 T包括支撑架导向管 16、 支撑轴 7、 调整螺母 15和 调整把手 1 3 , 支撑架导向管 16穿过支撑架 5且与支撑架 5焊接固定为一体， 支撑轴 7的部分轴体装在支撑架导向管 16内，支撑轴 7靠近刮刀架 4的一端与 刮刀架 4通过螺钉 18连接固定。 在支撑架导向管 16内的支撑轴 7另一端为调 整螺母 15 , 调整螺母 15与支撑架导向管 16通过螺紋连接， 调整螺母 15中间 有一通孔 17 , 调整把手 1 3穿过调整螺母 15的通孔 17与支撑轴 7通过螺紋连 接。 调整螺母 15与支撑轴 7之间设有减振垫 6 , 减振垫 6是由橡胶材料制成。 为了拆装方便， 刮刀架 4上的刮刀片 1 0由橡胶条 11压紧。 刮刀架 4的回墨槽 14中设有喷水管 8 , 便于清洗油墨。
本发明由气缸推动连杆组成曲柄滑块机构推动整个装置， 由调压阀调节压 缩空气的压力来控制气缸的输出力， 以达到控制刮刀片 1 0与网紋辊 12贴合程 度的目的。 连杆机构 2上装有转套 3 , 用来调整调节刮刀片 1 0与网紋辊 12的 切向角度。转套 3连接和支承支撑架 5 ,支撑架 5上装有三套刮刀架调整装置 T, 三处支撑轴 7 , 三点中任意一点都可自由微量调整， 可有效的对刮刀架的直线 度进行调整， 由于直线度的提高， 网紋辊 12的匀墨量更加均匀。 支撑轴 7与调 整螺母 15之间有减振垫 6 , 减振垫 6的厚度范围为 2-4mm, 使整个装置的关键 支承件一刮刀架 4具有良好的减振性， 因此也提升了匀墨的效果。 刮刀架 4上 装刮刀片 1 0 , 由橡胶条 11压紧， 固紧可靠，且可方便地进行刮刀片 1 0的更换。 刮刀架 4的回墨槽 14内装有清洗喷水铜管 8 , 管体上开有多个喷水小孔， 可以 清洗和维护。
调整刮刀片 1 0与网紋辊 12之间的距离时， 首先松开三个调整把手 1 3 , 使 其与调整螺母 15产生一段间隙， 旋转调整螺母 15可以使支撑轴 7轴向位置进 出， 进而使刮刀架 4轴向移动， 使刮刀片 1 0与网紋辊 1 0距离基本一致。 调整 完毕后， 然后紧固调整把手 1 3 , 支撑轴 7端面就靠紧在调整螺母 15上， 实现 刮刀架 4位置的调整， 从而保证了刮刀片 1 0与网紋辊 12的贴合程度在网紋辊 12的全长上的一致性。
以上所述， 仅是本发明的较佳实施例而已， 并非是对本发明作其它形式的 限制， 任何熟悉本专业的技术人员可能利用上述揭示的技术内容加以变更或改 型为等同变化的等效实施例。 但是凡是未脱离本发明技术方案内容， 依据本发 明的技术实质对以上实施例所作的任何简单修改、 等同变化与改型， 仍属于本 发明技术方案的保护范围。

Claims

权 利 要 求 书
1、 一种瓦楞纸板印刷机多点调整刮刀匀墨装置， 包括气缸、 连杆机构、 刮 刀架和刮刀片， 所述气缸的气缸轴与所述连杆机构铰接， 其特征在于： 设有一 支撑架， 在所述支撑架上设有至少两套刮刀架调整装置， 所述刮刀架调整装置 包括支撑架导向管、 支撑轴、 调整螺母和调整把手， 所述支撑架导向管穿过所 述支撑架且与支撑架固定， 所述支撑轴的一部分装在所述支撑架导向管内， 所 述支撑轴的外露轴端与所述刮刀架固定， 在支撑架导向管内的支撑轴另一端为 调整螺母， 所述调整螺母与支撑架导向管螺紋连接， 所述调整把手穿过调整螺 母与支撑轴通过螺紋连接。
2、根据权利要求 1所述的一种瓦楞纸板印刷机多点调整刮刀匀墨装置，其 特征在于： 所述连杆机构上装有转套， 所述转套与支撑架连接固定； 或者所述 连杆机构直接与所述支撑架连接。
3、根据权利要求 2所述的一种瓦楞纸板印刷机多点调整刮刀匀墨装置，其 特征在于： 所述调整螺母与所述支撑轴端之间设有减振垫， 所述减振垫是由橡 胶或橡塑材料制成。
4、根据权利要求 3所述的一种瓦楞纸板印刷机多点调整刮刀匀墨装置，其 特征在于： 所述刮刀架上的刮刀片由橡胶条压紧。
5、根据权利要求 4所述的一种瓦楞纸板印刷机多点调整刮刀匀墨装置，其 特征在于： 所述刮刀架的回墨槽中设有喷水管。
6、根据权利要求 2所述的一种瓦楞纸板印刷机多点调整刮刀匀墨装置，其 特征在于： 所述刮刀架调整装置的数量范围为 2-6套。
7、 一种瓦楞纸板印刷机， 其特征在于： 安装有上述任意一项权利要求所述 的瓦楞纸板印刷机多点调整刮刀匀墨装置。
PCT/CN2011/070991 2010-11-03 2011-02-15 瓦楞纸板印刷机多点调整刮刀匀墨装置及瓦楞纸板印刷机 WO2012058882A1 (zh)

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