WO2013083005A1 - 喷墨打印机喷头的清洗方法及装置 - Google Patents

喷墨打印机喷头的清洗方法及装置 Download PDF

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Publication number
WO2013083005A1
WO2013083005A1 PCT/CN2012/085304 CN2012085304W WO2013083005A1 WO 2013083005 A1 WO2013083005 A1 WO 2013083005A1 CN 2012085304 W CN2012085304 W CN 2012085304W WO 2013083005 A1 WO2013083005 A1 WO 2013083005A1
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cleaning
ink
cartridge
printer
ink cartridge
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PCT/CN2012/085304
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English (en)
French (fr)
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李贵宝
李世强
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珠海天威飞马打印耗材有限公司
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Publication of WO2013083005A1 publication Critical patent/WO2013083005A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters 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
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517—Cleaning of print head nozzles
    • B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters 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
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
    • B41J2/16517—Cleaning of print head nozzles
    • B41J2/16552—Cleaning of print head nozzles using cleaning fluids

Definitions

  • the present invention relates to a method and apparatus for cleaning an ink jet printer head, and more particularly to a method and apparatus for cleaning an ink jet printer head using a solvent type ink.
  • the present invention is based on a Chinese invention patent application filed on Dec. 09, 2011, the number of which is hereby incorporated by reference.
  • a conventional ink jet printer ejects ink droplets of various colors onto a printing medium through a head to form a printing pattern, and the head is composed of a plurality of nozzles having a hole shape. Because it uses a volatile solvent-based ink, the ink is easily dried, agglomerated, and agglomerated at the nozzle, so that the ink cannot be ejected smoothly from the nozzle, which seriously affects the print quality. In addition, because the ink contains trace impurities, bubbles, etc., it will cause blockage of the nozzle when printing continuously for a long time; if it is not cleaned in time, the inkjet trajectory of the nozzle will change, resulting in offset, atomization or even no ejection. phenomenon. Once the nozzle is clogged, it is common practice to start the cleaning process in the printer software and use the ink in the cartridge to clean the nozzle.
  • the existing ink cartridge refers to a cartridge containing ink in the ink chamber, and an ink cartridge for cleaning the printer nozzle, which is a cleaning cartridge, has appeared on the market.
  • the ink chamber of the ink cartridge contains a cleaning liquid, and its special chemical composition can dissolve the ink clogging in the nozzle, thereby improving the cleaning efficiency of the nozzle.
  • the cleaning cartridge is used in the same way as a normal ink cartridge. When cleaning is required, the cleaning cartridge is mounted on the printer, and the cleaning solution is ejected from the nozzle through a normal printing process, thereby cleaning the nozzle.
  • the Chinese Patent Publication No. CN1528592A discloses a method for cleaning and maintaining a nozzle, that is, using compressed air to forcibly extrude the ink in the nozzle, and then injecting the cleaning liquid into the nozzle to keep the nozzle in a maintenance state; before printing, The cleaning liquid in the nozzle is exhausted by the compressed air; then the ink of each color is pressed into the corresponding nozzle through each ink supply bottle.
  • the cleaning procedure usually needs to be repeated, and the cleaning is performed several times to clean the nozzle, which not only wastes ink, but also has low cleaning efficiency.
  • the main object of the present invention is to provide a cleaning method for an ink jet printer head which is simple in structure, simple in operation, strong in versatility, and high in cleaning efficiency;
  • Another object of the present invention is to provide a cleaning apparatus for an ink jet printer head using the above method.
  • the cleaning method of the inkjet printer nozzle comprises the following steps:
  • the pressing device used in the nozzle cleaning method of the present invention comprises a body portion and a connecting portion; the body portion has elasticity, is located outside the cleaning cartridge housing, and contains air therein, and is connected to the cleaning cartridge through the connecting portion.
  • the air of the body portion can be injected into the ink chamber of the cleaning cartridge through a passage inside the connecting portion.
  • the pressing device is detachably connected to the cleaning ink cartridge; the connecting portion is needle-shaped, and the tip of the nozzle pierces the ink filling hole of the cleaning ink cartridge and protrudes into the cleaning.
  • the ink chamber of the ink cartridge is detachably connected to the cleaning ink cartridge;
  • the pressing device used further includes a check valve that allows only air to enter the body portion.
  • the present invention also provides a cleaning device for an ink jet printer head, comprising a cleaning ink cartridge, the pressing device on the cleaning ink cartridge comprises a body portion and a connecting portion; the body portion has elasticity and is located in the cleaning ink cartridge
  • the outside of the casing contains air therein and is connected to the cleaning cartridge through a connecting portion, and air in the body portion can be injected into the ink chamber of the cleaning cartridge through a passage inside the connecting portion.
  • the pressing device may be detachably connected to the cleaning ink cartridge; the connecting portion is needle-shaped, and the tip end thereof protrudes into the ink chamber of the cleaning ink cartridge through the rubber plug on the ink filling hole of the cleaning ink cartridge.
  • the pressing device is provided with an air outlet connected to the passage on the side wall adjacent to the tip end.
  • the pressurizing device further includes a one-way valve that only allows air to enter the body portion.
  • the cleaning method of the ink jet printer head of the present invention is convenient to operate and can be applied to various types of cleaning ink cartridges.
  • the device provided by the invention has the characteristics of simple structure, good reliability, strong versatility and simple operation.
  • Figure 1 is a cross-sectional view of a conventional cleaning cartridge
  • Figure 2 is a cross-sectional view showing a first embodiment of the cleaning device for the ink jet printer head of the present invention
  • Figure 3 is a cross-sectional view of the pressurizing device of Figure 2;
  • Figure 4 is a cross-sectional view showing a second embodiment of the cleaning device for the ink jet printer head of the present invention.
  • FIG. 1 shows the structure of an existing cleaning cartridge 100.
  • the existing cleaning ink cartridge 100 comprises a housing 1; an ink chamber 2 and an ink chamber 3 communicating with each other, each of which contains a cleaning liquid; the ink chamber 3 is further provided with a sponge 5, and below the ink chamber 3 is an ink outlet 6; The ink filling hole 7 in the upper portion of the ink chamber 2 is sealed by the rubber stopper 4.
  • FIG. 2 is a view showing a first embodiment of a cleaning device for an ink jet printer head of the present invention, which adds a detachable pressurizing device 700 to the existing cleaning cartridge 100.
  • the structure of the pressurizing device 700 is shown in Fig. 3.
  • the pressurizing device 700 includes an elastic body portion 710 and a needle-like rigid connecting portion 720.
  • the body portion 710 has a cavity 740 therein, the cavity 740 containing air.
  • a one-way valve 730 is also disposed on the body portion 710.
  • the one-way valve 730 allows outside air to enter the cavity 740 in the illustrated A direction.
  • the tip end 723 of the connecting portion 720 can pierce the rubber plug 4 into the ink chamber 2.
  • the connecting portion 720 is internally provided with a passage 721 communicating with the cavity 740, and a portion near the tip end 723 is provided with an air outlet 722 communicating with the passage 721.
  • the air outlet 722 is located inside the cavity 2.
  • the body 710 is squeezed, and the air in the cavity 740 flows out of the air outlet 722 through the passage 721 and enters the ink chamber 2. After the air enters the ink chamber 2, the pressure in the ink chamber 2 and the ink chamber 3 increases, forcing the cleaning liquid to be discharged from the ink outlet port 6.
  • the body portion 710 is loosened, a negative pressure is generated in the ink chamber 2 and the ink chamber 3, and outside air flows from the check valve 730 through the cavity 740 to the ink chamber 2 and the ink chamber 3, thereby causing the ink chamber 2 and the ink chamber 3
  • the pressure inside is balanced.
  • the body portion 710 may not be provided with a one-way valve 730.
  • a negative pressure is generated in the ink chamber 2 and the ink chamber 3, and outside air may enter the ink chamber from the nozzle on the nozzle.
  • the pressure between the inside and the outside of the ink chamber 2 and the ink chamber 3 is maintained.
  • FIG. 4 shows a second embodiment of the cleaning apparatus for the ink jet printer head of the present invention.
  • the cleaning device 200 includes a housing 10 in which an ink chamber 20 and an ink chamber 30 are disposed; an upper portion of the ink chamber 20 is provided with an ink filling hole 70 sealed by a rubber plug 40; and a lower portion of the ink chamber 30 is provided with an ink outlet 60, the inside of which A sponge 50 is provided; the ink chamber 20 is in communication with the ink chamber 30, and a cleaning liquid is contained therein.
  • a pressurizing device 800 is disposed on the housing 10.
  • the pressing device 800 includes a body portion 810 having elasticity and a rigid connecting portion 820; the body portion 810 is internally provided with a cavity 811, and the cavity 811 contains air therein; the connecting portion 820 is internally provided with a cavity 811 and an ink chamber 2 Connected channels 830.
  • the connecting portion 820 is integrally formed with the housing 10. Squeezing the body portion 810, air in the cavity 811 flows through the passage 830 into the ink chamber 20, causing the pressure in the ink chamber 20 and the ink chamber 30 to increase, forcing the cleaning liquid to drain from the ink outlet 60.
  • a one-way valve may be disposed on the body portion 810 such that when the body portion 810 is loosened, outside air may flow through the cavity 811 through the one-way valve into the ink chamber 20 and the ink chamber 30, thereby The pressure between the ink chamber 20 and the inside and outside of the ink chamber 30 is maintained.
  • a portion of an existing cleaning cartridge housing can be made resilient, such an elastic portion can be considered a pressurizing device, or the entire housing can be made resilient so that when the printer nozzle is cleaned By simply squeezing the elastic portion of the housing or the housing itself, the internal cleaning fluid can be forced into the nozzle to clean the nozzle. It is also possible to directly provide a one-way valve or the like on the casing to ensure that the pressure balance inside and outside the ink chamber can be maintained after the deformation of the casing is restored.
  • the invention also provides a method of cleaning a showerhead.
  • the first embodiment of the cleaning method employs the cleaning device of the first embodiment described above, and the specific steps are as follows:
  • the ink cartridge in the printer is taken out by the method of replacing the ink cartridge, and the printer power is turned off; the connecting portion 720 of the pressing device 700 is inserted into the ink chamber 2 from the rubber plug 4; the pressing device is installed
  • the cleaning cartridge 100 of 700 is loaded into the printer; the body portion 710 of the pressing device 700 is pressed to allow air in the cavity 740 to enter the ink chamber 2 and the ink chamber 3, forcing the cleaning liquid in the ink chamber 2 and the ink chamber 3 from The ink outlet 6 enters the printer nozzle;
  • the pressing time may last for 1 s to 5 s, or may be repeatedly squeezed several times according to the clogging of the nozzle; the body portion 710 is loosened to allow outside air to flow from the one-way valve 730 through the cavity
  • the 740 enters the ink chamber 2 and the ink chamber 3 to keep the internal and external pressures balanced; the cleaning ink cartridge 100 is placed on the printer for a period of time, and the duration of the placement may be 10
  • the pressing device 700 is taken out; the cleaning ink cartridge 100 is taken out, and if the ink in the original ink cartridge is not used up, the original ink cartridge can be loaded. If the ink in the original ink cartridge is used up, the new ink cartridge can be reloaded, and the nozzle of the printer is waiting for the printer. reset After turning on the printer power; execute the printer cleaning program to detect the ink pattern ejected from the nozzle; if the spray pattern is not good, repeat the above cleaning step until the nozzle is normal.
  • the second embodiment adopts the cleaning device of the second embodiment described above, and the specific steps are as follows:
  • the ink cartridge in the printer is taken out, the printer power is turned off; the cleaning device 200 is loaded into the printer; the body portion 810 of the pressing device 800 is pressed to allow air in the cavity 811 to enter the ink chamber 22 And the ink chamber 30, forcing the cleaning liquid in the ink chamber 20 and the ink chamber 30 to enter the printer nozzle from the ink outlet 60; the pressing time may last for 1 s to 5 s, or may be repeatedly squeezed several times according to the clogging of the nozzle; The body portion 810 is loosened to allow outside air to enter the ink chamber 20 and the ink chamber 30 from the micro holes at the nozzle to balance the internal and external pressures; the cleaning device 200 is placed on the printer for a period of time, and the duration of the placement may be 10 seconds.
  • the cleaning device 200 take out the cleaning device 200, if the ink in the original ink cartridge is not used up, the original ink cartridge can be loaded. If the ink in the original ink cartridge is used up, the new ink cartridge can be reloaded, after the printer nozzle is returned. Turn on the printer; perform a printer cleaning procedure to detect the ink pattern ejected from the nozzle; if the pattern is poor, repeat the cleaning procedure until the ink is normal.
  • the head cleaning method of the present invention may further comprise a method of cleaning using the various cleaning device embodiments described above.
  • the nozzle cleaning method of the present invention all discharges the cleaning liquid by manually pressing the pressing device or cleaning the ink cartridge housing.
  • the advantage of this is that the pressing force of the pressing device or the cleaning of the ink cartridge housing can be controlled according to the clogging of the nozzle. In order to control the pressure and capacity of the cleaning liquid, the cleaning efficiency can be improved and the cost can be saved.
  • the nozzle cleaning device of the invention has the advantages of simple structure, high reliability, simple operation, strong versatility and good adaptability.
  • the cleaning method of the inkjet printer nozzle of the invention adds a pressing device to the cleaning ink cartridge, and has a simple structure; by pressing and relaxing the pressing device, the pressure in the cleaning ink cartridge chamber can be changed, and the cleaning liquid is forced into the nozzle to discharge the plugging. The ink in the nozzle and the cleaning solution is held in the nozzle.
  • the pressing device used in the present invention includes only the elastic body portion and the connecting portion, and by pressing the body portion, pressure can be applied to the ink chamber of the cleaning cartridge.
  • the pressurizing device can also be designed to be detachable and versatile, and can be applied to various types of cleaning ink cartridges.
  • a one-way valve can also be designed. This design ensures the one-way ventilation of the pressurizing device itself, and further improves the applicability of the pressurizing device to various cleaning cartridges.

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Abstract

喷墨打印机喷头的清洗方法及装置，方法包括下列步骤：a、用更换墨盒的方法将打印机中的墨盒取出，断开打印机电源；b、将墨腔中容纳有清洗液的清洗墨盒装入打印机；c、挤压清洗墨盒上的加压装置，迫使清洗液从喷头处涌出；d、松开加压装置，将清洗墨盒放置在打印机上一段时间；e、取出清洗墨盒，装入墨水墨盒，喷头归位后接通打印机电源；f、执行打印机清洗程序，检测喷头喷出的墨水图案。清洗装置包括清洗墨盒，该清洗墨盒上的加压装置包括本体部分和连接部分；本体部分具有弹性，位于清洗墨盒壳体的外部，其内部容纳有空气，并通过连接部分与清洗墨盒相连，本体部分中的空气可通过连接部分内部的通道注入到清洁墨盒的墨腔中。

Description

喷墨打印机喷头的清洗方法及装置
本发明涉及喷墨打印机喷头的清洗方法及装置，尤其是涉及一种使用溶剂型墨水的喷墨打印机喷头的清洗方法及装置。本发明基于申请日为2011年12月09日、申请号为201110409706.X的中国发明专利申请，该申请的内容作为与本发明密切相关的参考文献引入本文。
现有的喷墨打印机通过喷头将各种颜色的墨滴喷射到打印介质上形成打印图案，喷头由多个孔状的喷嘴构成。由于其采用易挥发的溶剂型墨水，墨水极易在喷嘴处干燥、凝聚、结块，使墨水不能顺利地从喷头喷出，严重影响打印质量。另外，由于墨水中含有微量的杂质、气泡等，长时间连续打印时也会对喷嘴造成堵塞；如果不及时清理，将导致喷头的喷墨轨迹发生变化，产生偏移、雾化甚至无法喷射等现象。喷嘴一旦堵塞，通常的做法是启动打印机软件中的清洗程序，利用墨盒中的墨水清洗喷头。
现有的墨盒指的是墨腔中容纳墨水的盒体，市场上还出现了专门清洗打印机喷头的墨盒——清洗墨盒。这种墨盒的墨腔中容纳的是清洗液，其特殊的化学成分能溶解堵塞在喷头内的墨水，从而提高对喷头的清洗效率。清洗墨盒的使用方法同正常墨盒一样，当需要清洁时，将清洗墨盒安装在打印机上，通过正常的打印程序，使清洗液从喷头喷出，从而清洗喷头。这种方法操作简单，但是如果墨水在喷头中结块较硬，正常的打印程序无法使喷头中的残留结块墨水排出，无法实现喷头的清洁。公开号为CN1528592A的中国专利文献公开了一种喷头清洁和保养方法，即利用压缩空气将喷头中的墨水强制挤出，然后再注入清洗液到喷头中，使喷头处于保养状态；打印前，再利用压缩空气将喷头中的清洁液排尽；再将各色墨水通过各供墨瓶压入相应的喷头中。
对于上述第一种清洗方法，清洗程序通常需要反复执行，清洗好几次才能使喷头清洁，不但浪费墨水，清洁效率也低。
对于上述第二种清洗方法，采用压缩空气和专用泵作为动力对喷头进行清洗，需要使用额外的动力设备，结构复杂，成本较高，也不易操作。
为了解决上述问题，本发明的主要目的是提供一种结构简单、操作简便、通用性强，并且清洁效率高的喷墨打印机喷头的清洗方法；
本发明的另一目的是提供一种采用上述方法的喷墨打印机喷头的清洗装置。
本发明提供的喷墨打印机喷头的清洗方法，包括下列步骤：
a、用更换墨盒的方法将打印机中的墨盒取出，断开打印机电源；
b、将墨腔中容纳有清洗液的清洗墨盒装入打印机；
c、挤压清洗墨盒上的加压装置，迫使清洗液进入喷头；
d、松开加压装置，将清洗墨盒放置在打印机上一段时间；
e、取出清洗墨盒，装入所述墨盒或新的墨盒，待喷头归位后接通打印机电源；
f、执行打印机清洗程序，检测喷头喷出的墨水图案。
进一步的，本发明提供的喷头清洗方法采用的加压装置包括本体部分和连接部分；本体部分具有弹性，位于清洗墨盒壳体的外部，其内容纳有空气，并通过连接部分与清洗墨盒相连，本体部分的空气可通过连接部分内部的通道注入到清洁墨盒的墨腔中。
进一步的，本发明提供的喷头清洗方法中，采用的加压装置可拆卸地与清洗墨盒相连接；连接部分为针状，其尖端刺穿清洗墨盒的灌墨孔上的胶塞伸入到清洗墨盒的墨腔中。
进一步的，本发明提供的喷头清洗方法中，采用的加压装置还包括只允许空气进入本体部分的单向阀。
为实现本发明另一目的，本发明还提供了一种喷墨打印机喷头的清洗装置，包括清洗墨盒，该清洗墨盒上的加压装置包括本体部分和连接部分；本体部分具有弹性，位于清洗墨盒壳体的外部，其内部容纳有空气，并通过连接部分与清洗墨盒相连，本体部分中的空气可通过连接部分内部的通道注入到清洁墨盒的墨腔中。
进一步的，上述加压装置可以是可拆卸的与清洗墨盒相连；连接部分为针状，其尖端通过清洗墨盒的灌墨孔上的胶塞伸入到清洗墨盒的墨腔中。
更优化的，上述加压装置在靠近尖端的侧壁上设置有与通道相连的出气口。
更进一步的，加压装置还包括只允许空气进入本体部分的单向阀。
本发明的喷墨打印机喷头的清洗方法操作方便，可适用于各种类型的清洁墨盒。
本发明提供的装置具有结构简单，可靠性好，通用性强，操作简单的特点。
图1是现有的清洗墨盒的剖视图；
图2是本发明喷墨打印机喷头的清洗装置第一实施例剖视图；
图3是图2中加压装置的剖视图；
图4是本发明喷墨打印机喷头的清洗装置第二实施例的剖视图。
以下结合附图及实施例对发明作进一步说明。
图1显示了现有清洗墨盒100的结构。现有的清洗墨盒100包括壳体1；相互连通的墨腔2和墨腔3，内部均容纳有清洗液；墨腔3中还装有海绵5，墨腔3的下方为出墨口6；墨腔2上部的灌墨孔7被胶塞4密封。
喷墨打印机喷头的清洗装置第一实施例
图2是本发明喷墨打印机喷头的清洗装置第一实施例图，该清洗装置在现有的清洗墨盒100上增加了可拆卸的加压装置700。加压装置700的结构见图3，加压装置700包括弹性本体部分710和针状的刚性连接部分720。本体部分710内具有腔体740，腔体740内容纳有空气。本体部分710上还设置有单向阀730。单向阀730允许外界的空气以图示的A方向进入腔体740。连接部分720的尖端723可刺穿胶塞4进入到墨腔2中。连接部分720内部设置有与腔体740相连通的通道721，在靠近尖端723的部分设置有与通道721相连通的出气口722。当连接部分720插入到腔体2时，出气口722位于腔体2内。挤压本体710，腔体740中的空气流经通道721从出气口722排出，进入到墨腔2中。空气进入墨腔2后，墨腔2和墨腔3内的压力增大，迫使清洁液从出墨口6排出。松开本体部分710，墨腔2和墨腔3内产生负压，外界的空气从单向阀730流经腔体740进入到墨腔2和墨腔3，从而使墨腔2和墨腔3内的压力达到平衡。
在其他实施例中，本体部分710也可以不设置单向阀730，当松开本体部分710时，墨腔2和墨腔3内产生负压，外界空气可从喷头上的喷嘴进入到墨腔2和墨腔3中，保持墨腔2和墨腔3内外的压力平衡。
喷墨打印机喷头的清洗装置第二实施例
图4显示了本发明喷墨打印机喷头的清洗装置第二实施例。清洗装置200包括壳体10，其内设置有墨腔20和墨腔30；墨腔20上部设置有被胶塞40密封的灌墨孔70；墨腔30下部设置有出墨口60，其内部装有海绵50；墨腔20和墨腔30相连通，内部容纳有清洗液。在壳体10上设置有加压装置800。加压装置800包括具有弹性的本体部分810和刚性的连接部分820；本体部分810内部设有腔体811，腔体811中容纳有空气；连接部分820内部设置有与腔体811和墨腔2相连通的通道830。连接部分820与壳体10一体成型。挤压本体部分810，腔体811中的空气流经通道830进入到墨腔20中，使墨腔20和墨腔30中的压力增大，迫使清洗液从出墨口60排出。松开本体部分810，墨腔20和墨腔30内产生负压，外界空气从喷头处的微孔进入到墨腔20和墨腔30中，从而保持墨腔20和墨腔30内外的压力平衡。
在其他实施例中，本体部分810上可以设置单向阀，这样，当松开本体部分810时，外界空气可以通过单向阀流经腔体811进入到墨腔20和墨腔30中，从而保持墨腔20和墨腔30内外的压力平衡。
在另外的实施例中，可以将现有的清洗墨盒壳体的一部分制作成具有弹性，这种弹性部分可以视为加压装置，或者将整个壳体制作成具有弹性，这样，当清洗打印机喷头时，只需挤压壳体的弹性部分或者壳体本身，就可以迫使内部的清洗液进入喷头，对喷头进行清洗。也可以在壳体上直接设置单向阀或者类似结构，从而保证壳体形变复原后能保持墨腔内外的压力平衡。
本发明还提供了清洗喷头的方法。清洗方法的第一实施例采用了上述第一实施例的清洗装置，具体步骤如下：
当需要对喷头进行清洗时，用更换墨盒的方法将打印机中的墨盒取出，断开打印机电源；将加压装置700的连接部分720从胶塞4插入墨腔2中；将安装有加压装置700的清洗墨盒100装入打印机；挤压加压装置700的本体部分710，使腔体740中的空气进入墨腔2和墨腔3中，迫使墨腔2和墨腔3中的清洗液从出墨口6处进入打印机喷头；挤压时间可以持续1s～5s，也可以根据喷头的堵塞情况反复挤压几次；松开本体部分710，使外界的空气从单向阀730流经腔体740进入墨腔2和墨腔3，使其内外压力保持平衡；放置清洗墨盒100在打印机上一段时间，放置的持续时间可以是10s～20s；此间可以拔出加压装置700，也可以不拔出加压装置700；取出清洗墨盒100，如果原墨盒中的墨水没有用完，可以装入原墨盒，如果原墨盒中的墨水快用完了，也可以重新装入新的墨盒，待打印机的喷头归位后接通打印机电源；执行打印机清洗程序，检测喷头喷出的墨水图案；如果喷涂图案欠佳，则重复上述清洗步骤，直到喷头出墨正常。
清洗方法第二实施例采用了上述第二实施例的清洁装置,具体步骤如下：
当需要对喷头进行清洗时，将打印机中的墨盒取出，断开打印机电源；将清洗装置200装入打印机；挤压加压装置800的本体部分810，使腔体811中的空气进入墨腔22和墨腔30中，迫使墨腔20和墨腔30中的清洗液从出墨口60处进入打印机喷头；挤压时间可以持续1s～5s，也可以根据喷头的堵塞情况反复挤压几次；松开本体部分810，使外界的空气从喷头处的微孔进入到墨腔20和墨腔30中，使其内外压力保持平衡；放置清洗装置200在打印机上一段时间，放置持续时间可以是10s～20s；取出清洗装置200，如果原墨盒中的墨水没有用完，可以装入原墨盒，如果原墨盒中的墨水快用完了，也可以重新装入新的墨盒，待打印机的喷头归位后接通打印机电源；执行打印机清洗程序，检测喷头喷出的墨水图案；如果喷涂图案欠佳，则重复上述清洗步骤，直到出墨正常。
本发明的喷头清洗方法还可以包括采用上述各种清洗装置实施例进行清洗的方法。
本发明的喷头清洗方法，均是通过手动挤压加压装置或者清洗墨盒壳体排出清洗液，这样的好处在于：可以根据喷头堵塞的情况，控制挤压加压装置或清洗墨盒壳体的力度，从而控制清洗液喷出的压力和容量，既能提高清洁效率，又节约了成本。同时，本发明的喷头清洗装置，结构简单，可靠性强，操作简便，并且通用性强，适应性好。
总之，本发明的技术构思并不仅限于上述实施例，还可以依据本发明的构思得到许多不同的具体方案，依据本发明的构思所进行的任何改变、组合以及等效变换均应包含在权利要求所述的范围之内。
本发明喷墨打印机喷头的清洗方法，在清洗墨盒上增加了加压装置，结构简单；通过挤压和放松加压装置，即可改变清洗墨盒腔内的压力，迫使清洁液进入喷头，排出堵塞在喷头中的墨水，并使清洗液保持在喷头中。
本发明采用的加压装置，仅包括弹性的本体部分和连接部分，通过挤压本体部分，即可对清洗墨盒的墨腔施加压力。
加压装置还可设计为可拆卸的，通用性强，可适用于各种类型的清洁墨盒。
还可设计有单向阀，这种设计能保证加压装置本身的单向通气性能，进一步提高加压装置对各种清洁墨盒的适用性。

Claims (10)

  1. 喷墨打印机喷头的清洗方法，其特征在于它包括下列步骤：
    a、用更换墨盒的方法将打印机中的墨盒取出，断开打印机电源；
    b、将墨腔中容纳有清洗液的清洗墨盒装入打印机；
    c、挤压所述清洗墨盒上的加压装置，迫使清洗液进入喷头；
    d、松开所述加压装置，将所述清洗墨盒放置在打印机上一段时间；
    e、取出所述清洗墨盒，装入所述墨盒或新的墨盒，待所述喷头归位后接通打印机电源；
    f、执行打印机清洗程序，检测喷头喷出的墨水图案。
  2. 根据权利要求1所述喷墨打印机喷头的清洗方法,其特征在于：
    所述加压装置包括本体部分和连接部分；
    所述本体部分具有弹性，位于所述清洗墨盒壳体的外部，其内容纳有空气，并通过所述连接部分与所述清洗墨盒相连，所述空气可通过所述连接部分内部的通道注入到所述清洁墨盒的墨腔中。
  3. 根据权利要求2所述的喷墨打印机喷头的清洗方法，其特征在于：
    所述连接部分为针状；
    在把所述清洗墨盒装入打印机之前，用所述连接部分的尖端刺穿所述清洗墨盒的灌墨孔上的胶塞，使其伸入到所述清洗墨盒的墨腔中。
  4. 根据权利要求3所述的喷墨打印机喷头的清洗方法，其特征在于：
    所述连接部分在靠近所述尖端的侧壁上设置有与所述通道相连的出气口。
  5. 根据权利要求2至4任意一项所述的喷墨打印机喷头的清洗方法,其特征在于：
    所述加压装置还包括只允许空气进入所述本体部分的单向阀。
  6. 喷墨打印机喷头的清洗装置，包括装有清洗液的清洗墨盒，其特征在于：
    所述清洗墨盒上设置有加压装置，所述加压装置通过自身的形变能使所述清洗墨盒内部的压力增大，迫使清洗液从所述清洗墨盒的出墨口排出。
  7. 根据权利要求6所述的喷墨打印机喷头的清洗装置，其特征在于：
    所述加压装置包括本体部分和连接部分；
    所述本体部分具有弹性，位于所述清洗墨盒壳体的外部，所述本体部分中容纳有空气，并通过所述连接部分与所述清洗墨盒相连，所述空气可通过所述连接部分内部的通道注入到所述清洁墨盒的墨腔中。
  8. 根据权利要求7所述的喷墨打印机喷头的清洗装置，其特征在于：
    所述加压装置可拆卸的与所述清洗墨盒相连；
    所述连接部分为针状，其尖端通过所述清洗墨盒的灌墨孔上的胶塞伸入到所述清洗墨盒的墨腔中。
  9. 根据权利要求8所述的喷墨打印机喷头的清洗装置，其特征在于：
    在靠近所述尖端的侧壁上设置有与所述通道相连的出气口。
  10. 根据权利要求6至9任意一项所述的喷墨打印机喷头的清洗装置，其特征在于：
    所述加压装置还包括只允许空气进入所述本体部分的单向阀。
PCT/CN2012/085304 2011-12-09 2012-11-27 喷墨打印机喷头的清洗方法及装置 WO2013083005A1 (zh)

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