WO2009056066A1 - A negative pressure generating and adjusting device and method for an ink cartridge, and an inkjet printer - Google Patents
A negative pressure generating and adjusting device and method for an ink cartridge, and an inkjet printer Download PDFInfo
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- WO2009056066A1 WO2009056066A1 PCT/CN2008/072827 CN2008072827W WO2009056066A1 WO 2009056066 A1 WO2009056066 A1 WO 2009056066A1 CN 2008072827 W CN2008072827 W CN 2008072827W WO 2009056066 A1 WO2009056066 A1 WO 2009056066A1
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- ink cartridge
- negative pressure
- adjusting
- generating
- flow regulating
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Classifications
-
- 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
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
-
- 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
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17556—Means for regulating the pressure in the cartridge
Definitions
- the invention belongs to the field of gas pressure control, and particularly relates to a negative pressure generating and adjusting device and method for an ink cartridge and an ink jet printer.
- the air pressure in the ink cartridge above the head is less than atmospheric pressure, that is, a negative pressure is formed in the ink cartridge.
- a suitable negative pressure creates a stable meniscus in the nozzle located on the underside of the nozzle. If the negative pressure value is too small, the meniscus cannot be formed and the ink will flow out of the nozzle. If the negative pressure value is too large, the ink cannot be ejected from the nozzle when necessary. If the negative pressure value is unstable, it will affect the print quality.
- the volume of ink in the ink cartridge becomes smaller or larger due to printing or external ink supply, etc.
- the volume of gas in the ink cartridge becomes correspondingly larger or smaller.
- the ability to effectively resist the effects of this change becomes a key factor in the selection of negative pressure generation methods and devices.
- a method of squeezing a conduit connected to an ink cartridge with an edge of a specific rotating mechanism to form a negative pressure in the ink cartridge is described. This approach lacks anti-interference ability.
- the present invention provides a device for generating and adjusting a negative pressure in an ink cartridge, comprising: a vacuum pump; a first flow regulating device, one end of which is connected to a suction end of the vacuum pump; a through connector, the outlet end of which is connected to the other end of the first flow regulating device, the inlet end of the tee joint is connected to the atmosphere, the port of the tee joint is connected to the ink cartridge, and the first flow regulating device is adjusted by activating the vacuum pump, in the ink cartridge Generate a negative pressure and adjust the amount of negative pressure in the cartridge.
- an ink jet printer comprising an ink jet printer body having a device for generating and adjusting a negative pressure in the ink cartridge as described above.
- a method of generating and adjusting a negative pressure in an ink cartridge which performs the following steps by means of generating and adjusting a negative pressure in the ink cartridge as described above: starting a vacuum pump, from the ink cartridge Pumping air with the outside air to generate a negative pressure in the ink cartridge; and adjusting the negative pressure value of the ink cartridge by adjusting the flow regulating device.
- an apparatus for adjusting a pressure in a container comprising: a suction member; a flow regulating member having one end connected to a suction end of the suction member; and a three-way joint, The outlet end is connected to the other end of the flow regulating member, the inlet end of the tee joint is connected to the atmosphere, the port of the tee joint is connected to the container, and the container is adjusted by opening the suction member and adjusting the flow regulating member. pressure.
- the first flow regulating device or flow regulating member may be an electrical signal controlled component capable of generating a throttling action, a throttle valve, or a pressure reducing valve.
- the air inlet can be connected to the atmosphere at the intake end of the tee fitting.
- a second flow regulating device can be connected in series between the intake end of the three-way joint and the air filter.
- a gas storage tank can be connected in series between the port of the tee joint and the ink cartridge.
- a protective bottle can be connected in series between the gas tank and the ink cartridge. The gas tank and the protective bottle can be connected by another three-way joint, and the other end of the three-way joint can be connected Sensor.
- the electrical signal controlled component capable of generating a throttling action may be a proportional flow valve.
- Figure 1 is a schematic view of an embodiment of the present invention
- FIG. 2 and FIG. 3 are structural diagrams of an apparatus according to an embodiment of the present invention.
- FIG. 4 and Figure 5 are structural views of an ink jet printer provided by the present invention.
- FIG. 6 is a flow chart of a method according to an embodiment of the present invention.
- the present invention provides an adjustment device 100 that can adjust a container 101.
- the adjusting device 100 includes a pumping member 102, a flow regulating member 103, and a three-way joint 104.
- the air suction member 102 may be a vacuum pump, an evacuated container, or the like that can evacuate the container 101, and the flow regulating member 103
- It may be a valve that controls the flow of gas within the line by continuous adjustment.
- One end of the flow regulating member 103 is connected to the suction end of the air suction member 102, and the other end thereof is connected to the tee joint 104.
- the outlet ends are connected.
- the intake end of the tee fitting 104 is connected to the atmosphere, and the remaining other port is connected to the container 101.
- the pressure within the container 101 can be adjusted by opening the suction member 102 and adjusting the flow regulating member 103.
- the present invention also provides a device for generating and adjusting a negative pressure in an ink cartridge, the structure of which is shown in FIG.
- the other end of the flow regulating device 5 is connected to the outlet end 61 of a tee fitting 6, and is simultaneously evacuated from the outside atmosphere 4 and the ink cartridge 12, wherein the port 62 is connected to the ink cartridge 12, and the intake port
- Negative pressure size The individual components can be connected via line 2.
- the flow regulating device 5 has a certain suppression effect on the fluctuation of the pumping rate of the vacuum pump 1, and the outlet end 61 of the three-way joint 6
- the pumping action plus the intake of the intake port 63 acts on the port 62
- the air pressure has a certain self-adjusting ability, so the device can have strong anti-interference ability in the same low pressure generating stable.
- a flow regulating device 3 capable of generating a throttling action and an air filter 7 may be sequentially connected in series.
- a gas tank is connected in series in the gas path leading to the ink cartridge 12 at the port 62.
- a protective bottle 11 is connected in series between the gas tank 8 and the ink cartridge 12.
- the gas tank 8 and the protective bottle 11 are connected by a three-way joint 10, and the other end of the three-way joint 10 is connected to the sensor 9 to measure the pressure value in the system.
- It may be a throttle valve, an electrical signal controlled component capable of generating a throttling action, or a pressure reducing valve.
- the components controlled by the electrical signal can be proportional flow valves.
- vacuum pump 1 [27] In this unit, vacuum pump 1
- the motive force generated by the negative pressure is provided, and the maximum flow rate and maximum vacuum that can be generated determine the maximum negative pressure that can be generated in the ink cartridge 12.
- the flow regulating device 5 has a smaller opening in the ink cartridge 12
- a flow regulating device 3 is added between the intake port 63 of the tee fitting 6.
- Gas storage tank 8 is added between the intake port 63 of the tee fitting 6.
- the measured data is more accurate.
- the electrical signal controlled component can be a proportional flow. Quantity valve.
- the system can start working after the negative pressure is stabilized.
- the ink in the ink cartridge 12 is reduced, and the ink cartridge 12 is lowered.
- the volume of the gas inside becomes large, and the outside atmosphere can be replenished into the ink cartridge 12 through the filter 7, the flow regulating device 3, the three-way joint 6, the gas tank 8, the three-way joint 10, and the protective bottle 11, thereby preventing the negative pressure inside the ink cartridge 12. Become bigger.
- the ink cartridge 12 is in the ink supply state, the ink cartridge 12
- the volume of the ink inside becomes large, the volume of the gas becomes small, and the excess gas is pumped away by the vacuum pump 1 to prevent the negative pressure in the ink cartridge 12 from becoming small.
- the entire device has good self-adjusting capabilities.
- the negative pressure generating and adjusting device described above is taken as a part of the ink supply system of the ink jet printer.
- the specific structure of the ink jet printer is as shown in FIG. 4, including: Inkjet printer body 13
- FIG. 2 a negative pressure generating and regulating device as shown in FIG. 2 installed on the body.
- inkjet printer body 13 As shown, including: inkjet printer body 13, and the body mounted as shown in the previous figure 3
- the embodiment of the present invention further provides a method for generating and adjusting negative pressure.
- the method is shown in FIG. 6.
- the steps performed in the process of using the negative pressure generating and adjusting device include:
- Step 20 After the vacuum pump 1 is started, it can be used simultaneously from the ink cartridge 12 and the outside atmosphere 4
- the air is pumped to generate the required negative pressure in the ink cartridge 12.
- Step 21 By adjusting the flow adjustment device 5, the amount of negative pressure in the ink cartridge 12 can be adjusted.
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- Ink Jet (AREA)
Abstract
A device for adjusting pressure in a container and a negative pressure generating and adjusting device for an ink cartridge are disclosed. The known devices of above types have not a strong resistance to interference while they generate a stable and low negative pressure. For solving the above problem, in the devices of the present invention, an air-extracting end of a vacuum pump (1) connects with one end of the first flow adjusting device (5). The other end of the first flow adjusting device (5) connects with an air-outletting end (61) of a three-way connector (6). The end (62) of the three-way connector (6) connects with an ink cartridge (12). An air-inletting end (63) of the three-way connector (6) communicates with atmosphere (4). Because the flow adjusting device (5) can suppress the fluctuation of the air extracting speed of the vacuum pump (1) to a certain degree, the air-extracting action of the air-outletting end (61) and the air-inletting action of the air-inletting end (63) in the three-way connector (6) have a certain self-adjusting ability to the pressure of the end (62), therefore the devices have a strong resistance to interference while they generate a stable and low negative pressure.
Description
说明书 用于墨盒的负压生成与调节装置、 方法及喷墨印刷机 Description A negative pressure generating and regulating device for an ink cartridge, a method, and an ink jet printer
[1] 技术领域 [1] Technical field
[2] 本发明属于气体压力的控制领域, 具体涉及一种墨盒的负压生成与调节装置、 方法及喷墨印刷机。 [2] The invention belongs to the field of gas pressure control, and particularly relates to a negative pressure generating and adjusting device and method for an ink cartridge and an ink jet printer.
[3] 背景技术 [3] Background Art
[4] 在气体压力的控制领域实际应用中, 经常需要在密闭系统内生成稳定的低值负 压。 在密闭系统内的气体体积可能会发生变化, 导致气体气压变化。 此吋希望 负压的生成方法和装置能够有效地抵抗这种变化。 保证在变化过程中, 负压值 维持在一个合理的范围内。 [4] In practical applications in the field of gas pressure control, it is often necessary to generate a stable low-value negative pressure in a closed system. The volume of gas in a closed system may change, resulting in a change in gas pressure. Therefore, it is desirable that the negative pressure generating method and apparatus can effectively resist such changes. It is guaranteed that the negative pressure value is maintained within a reasonable range during the change.
[5] 在喷墨印刷技术中, 为了防止喷头中的墨水自行从喷嘴流出, 希望位于喷头上 方的墨盒内的气压小于大气压, 即在墨盒内形成一个负压。 合适的负压能够在 位于喷头底面的喷嘴内形成一个稳定的弯液面。 若负压值过小, 则弯液面无法 形成, 墨水会从喷嘴流出。 若负压值过大, 则在需要的吋候, 墨水无法从喷嘴 喷出。 若负压值不稳定, 则会影响打印质量。 由于墨盒中的墨水体积由于打印 或外部供墨等原因会变小或变大, 导致墨盒内气体体积相应地变大或者变小。 能否有效地抵抗这种变化的影响成为选择负压生成方法和装置的一个关键因素 [5] In the ink jet printing technique, in order to prevent the ink in the head from flowing out of the nozzle by itself, it is desirable that the air pressure in the ink cartridge above the head is less than atmospheric pressure, that is, a negative pressure is formed in the ink cartridge. A suitable negative pressure creates a stable meniscus in the nozzle located on the underside of the nozzle. If the negative pressure value is too small, the meniscus cannot be formed and the ink will flow out of the nozzle. If the negative pressure value is too large, the ink cannot be ejected from the nozzle when necessary. If the negative pressure value is unstable, it will affect the print quality. Since the volume of ink in the ink cartridge becomes smaller or larger due to printing or external ink supply, etc., the volume of gas in the ink cartridge becomes correspondingly larger or smaller. The ability to effectively resist the effects of this change becomes a key factor in the selection of negative pressure generation methods and devices.
[6] 在现有专利中比较详细地描述用真空泵抽取负压的有: 中国专利申请号为[6] In the prior patents, the vacuum pump is used to extract the negative pressure in more detail. The Chinese patent application number is
02205394.8的 《喷绘机墨路负压系统》 和中国专利申请号为 03208747.0 的 《喷绘机墨路系统》 。 在这两份专利中描述了真空泵通过一个带有 3 个接头的储气罐同吋从大气与墨盒抽气。 在通往大气的气路中插入节流阀。 通 过调节这个节流阀来调节生成的负压的大小。 这种方式或许能够有较强的抗干 扰能力, 但是由于真空泵输出气流的波动导致其生成的负压不具有稳定、 低值 的特点。 02205394.8 "Inkjet Ink Road Negative Pressure System" and Chinese Patent Application No. 03208747.0 "Inkjet Printer Ink System". In both of these patents, the vacuum pump is pumped from the atmosphere and the cartridge through a gas tank with three joints. Insert a throttle valve into the air path to the atmosphere. The size of the generated negative pressure is adjusted by adjusting this throttle. This method may have strong anti-interference ability, but the negative pressure generated by the vacuum pump output airflow does not have stable and low value.
[7] 在中国专利申请号为 200310123503.X
的 《用于喷墨打印机的泵》 和欧洲专利号为 EP0916502A2的 《 Liquid ejection printing apparatus and liquid supply method to be employed in the same [7] The patent application number in China is 200310123503.X "Liquid ejection printing apparatus and liquid supply method to be employed in the same", "Pump for inkjet printers" and European Patent No. EP0916502A2
》 中描述了用特定的旋转机构的边缘挤压与墨盒相连的导管从而在墨盒内形成 负压的方法。 这种方式缺少抗干扰能力。 A method of squeezing a conduit connected to an ink cartridge with an edge of a specific rotating mechanism to form a negative pressure in the ink cartridge is described. This approach lacks anti-interference ability.
[8] 另外, 在工业中比较多的是基于文丘利效应的真空发生器。 这种方式可以产生 稳定的较低的负压, 但其抗干扰能力同样不足。 [8] In addition, more in the industry is the vacuum generator based on the Venturi effect. This method produces a stable lower negative pressure, but its anti-interference ability is also insufficient.
[9] 发明内容 [9] Summary of the invention
[10] 为了解决现有技术中的问题, 本发明提供了一种生成并调节墨盒中负压的装置 , 包括: 真空泵; 第一流量调节装置, 其一端与真空泵的抽气端相连; 以及三 通接头, 其出气端与第一流量调节装置的另一端连接, 三通接头的进气端接通 大气, 三通接头的端口与墨盒连接, 通过启动真空泵并调节第一流量调节装置 , 在墨盒中生成负压并调节墨盒中负压的大小。 [10] In order to solve the problems in the prior art, the present invention provides a device for generating and adjusting a negative pressure in an ink cartridge, comprising: a vacuum pump; a first flow regulating device, one end of which is connected to a suction end of the vacuum pump; a through connector, the outlet end of which is connected to the other end of the first flow regulating device, the inlet end of the tee joint is connected to the atmosphere, the port of the tee joint is connected to the ink cartridge, and the first flow regulating device is adjusted by activating the vacuum pump, in the ink cartridge Generate a negative pressure and adjust the amount of negative pressure in the cartridge.
[11] 根据本发明的第二方面, 还提供了一种喷墨印刷机, 包括喷墨印刷机本体, 本 体上装有如上所述的生成并调节墨盒中负压的装置。 According to a second aspect of the present invention, there is also provided an ink jet printer comprising an ink jet printer body having a device for generating and adjusting a negative pressure in the ink cartridge as described above.
[12] 根据本发明的第三方面, 还提供了一种生成并调节墨盒中负压的方法, 其利用 如上所述的生成并调节墨盒中负压的装置执行以下步骤: 启动真空泵, 从墨盒 与外界大气抽气, 在墨盒内生成负压; 以及通过调节流量调节装置来调节墨盒 的负压值。 [12] According to a third aspect of the present invention, there is also provided a method of generating and adjusting a negative pressure in an ink cartridge, which performs the following steps by means of generating and adjusting a negative pressure in the ink cartridge as described above: starting a vacuum pump, from the ink cartridge Pumping air with the outside air to generate a negative pressure in the ink cartridge; and adjusting the negative pressure value of the ink cartridge by adjusting the flow regulating device.
[13] 根据本发明的第四方面, 还提供了一种调节容器内压强的装置, 包括: 抽气部 件; 流量调节部件, 其一端与抽气部件的抽气端相连; 以及三通接头, 其出气 端与流量调节部件的另一端连接, 三通接头的进气端接通大气, 三通接头的端 口与容器连接, 通过幵启抽气部件并调节流量调节部件, 从而调节所述容器的 压强。 [13] According to a fourth aspect of the present invention, there is further provided an apparatus for adjusting a pressure in a container, comprising: a suction member; a flow regulating member having one end connected to a suction end of the suction member; and a three-way joint, The outlet end is connected to the other end of the flow regulating member, the inlet end of the tee joint is connected to the atmosphere, the port of the tee joint is connected to the container, and the container is adjusted by opening the suction member and adjusting the flow regulating member. pressure.
[14] 在本发明的实施方案中, 第一流量调节装置或流量调节部件可为能够产生节流 作用的电信号控制的元件、 节流阀、 或减压阀。 在三通接头的进气端可通过空 气过滤器接通大气。 三通接头的进气端和空气过滤器间可串接第二流量调节装 置。 三通接头的端口与墨盒之间可串接储气罐。 储气罐与墨盒之间可串接保护 瓶。 储气罐与保护瓶可通过另一个三通接头连接, 该三通接头的另一端可连接
传感器。 该能够产生节流作用的电信号控制的元件可为比例流量阀。 [14] In an embodiment of the invention, the first flow regulating device or flow regulating member may be an electrical signal controlled component capable of generating a throttling action, a throttle valve, or a pressure reducing valve. The air inlet can be connected to the atmosphere at the intake end of the tee fitting. A second flow regulating device can be connected in series between the intake end of the three-way joint and the air filter. A gas storage tank can be connected in series between the port of the tee joint and the ink cartridge. A protective bottle can be connected in series between the gas tank and the ink cartridge. The gas tank and the protective bottle can be connected by another three-way joint, and the other end of the three-way joint can be connected Sensor. The electrical signal controlled component capable of generating a throttling action may be a proportional flow valve.
[15] 由上述本发明提供的具体实施方案可以看出, 正是流量调节装置对真空泵的抽 气速率的波动有一定的抑制作用, 三通接头内出气端的抽气作用加上进气端的 进气作用对端口的气压有一定的自调节能力, 因此该装置能在产生稳定的较低 的负压的同吋具有较强抗干扰能力。 [15] It can be seen from the specific embodiment provided by the above invention that it is the flow regulating device that has a certain suppression effect on the fluctuation of the pumping rate of the vacuum pump, and the pumping action of the outlet end of the three-way joint plus the intake of the intake end. Gas action has a certain self-adjusting ability to the port air pressure, so the device can have strong anti-interference ability in the generation of stable lower negative pressure.
[16] 附图说明 [16] BRIEF DESCRIPTION OF THE DRAWINGS
[17] 图 1为本发明一个实施方案的示意图; Figure 1 is a schematic view of an embodiment of the present invention;
[18] 图 2和图 3为本发明提供的实施例装置结构图; [18] FIG. 2 and FIG. 3 are structural diagrams of an apparatus according to an embodiment of the present invention;
[19] 图 4和图 5为本发明提供的喷墨印刷机结构图; 以及 Figure 4 and Figure 5 are structural views of an ink jet printer provided by the present invention;
[20] 图 6为本发明提供的实施例方法流程图。 6 is a flow chart of a method according to an embodiment of the present invention.
[21] 具体实施方式 [21] Specific implementation
[22] 如图 1所示, 本发明提供了一种调节装置 100, 其可调节容器 101 [22] As shown in FIG. 1, the present invention provides an adjustment device 100 that can adjust a container 101.
内的压强。 调节装置 100包括抽气部件 102、 流量调节部件 103和三通接头 104 。 可选地, 抽气部件 102可以是真空泵、 已抽真空的容器等可以对容器 101 进行抽气的部件, 并且流量调节部件 103 The pressure inside. The adjusting device 100 includes a pumping member 102, a flow regulating member 103, and a three-way joint 104. Alternatively, the air suction member 102 may be a vacuum pump, an evacuated container, or the like that can evacuate the container 101, and the flow regulating member 103
可以是通过连续调节来控制管线内的气体流量的阀门。 流量调节部件 103 的一端与抽气部件 102的抽气端相连, 其另一端与三通接头 104 It may be a valve that controls the flow of gas within the line by continuous adjustment. One end of the flow regulating member 103 is connected to the suction end of the air suction member 102, and the other end thereof is connected to the tee joint 104.
的出气端相连。 三通接头 104的进气端接通大气, 其余下的另一个端口与容器 101连接。 在操作中, 通过开启抽气部件 102并调节流量调节部件 103 , 可以调节容器 101内的压强。 The outlet ends are connected. The intake end of the tee fitting 104 is connected to the atmosphere, and the remaining other port is connected to the container 101. In operation, the pressure within the container 101 can be adjusted by opening the suction member 102 and adjusting the flow regulating member 103.
[23] 本发明还提供了一种生成并调节墨盒中负压的装置, 该装置结构图如图 2 所示。 [23] The present invention also provides a device for generating and adjusting a negative pressure in an ink cartridge, the structure of which is shown in FIG.
[24] 真空泵 1的抽气端与一个能够产生节流作用的流量调节装置 5 [24] The pumping end of the vacuum pump 1 and a flow regulating device capable of generating a throttling action 5
的一端相连。 流量调节装置 5的另一端与一个三通接头 6的出气端 61 连接, 同吋从外界大气 4和墨盒 12抽气, 其中端口 62与墨盒 12连接, 进气端 One end is connected. The other end of the flow regulating device 5 is connected to the outlet end 61 of a tee fitting 6, and is simultaneously evacuated from the outside atmosphere 4 and the ink cartridge 12, wherein the port 62 is connected to the ink cartridge 12, and the intake port
63接通大气 4, 通过调节所述第一流量调节装置 5调节墨盒 12 63 is connected to the atmosphere 4, and the ink cartridge is adjusted by adjusting the first flow regulating device 5
负压大小。 各个部件可以通过管路 2连接。 流量调节装置 5对真空泵 1 的抽气速率的波动有一定的抑制作用, 三通接头 6内出气端 61
的抽气作用加上进气端 63的进气作用对端口 62 Negative pressure size. The individual components can be connected via line 2. The flow regulating device 5 has a certain suppression effect on the fluctuation of the pumping rate of the vacuum pump 1, and the outlet end 61 of the three-way joint 6 The pumping action plus the intake of the intake port 63 acts on the port 62
的气压有一定的自调节能力, 因此该装置能在产生稳定的较低的负压的同吋具 有较强抗干扰能力。 The air pressure has a certain self-adjusting ability, so the device can have strong anti-interference ability in the same low pressure generating stable.
[25] 作为进一步优化的方案, 负压生成与调节装置结构图如图 3所示。 在进气端 63 通往大气 4的通路中可依次串接一个能够产生节流作用的流量调节装置 3 和一空气过滤器 7。 在端口 62通往墨盒 12的气路中串接一储气罐 8 [25] As a further optimization scheme, the structure of the negative pressure generation and regulation device is shown in Fig. 3. In the passage of the intake port 63 to the atmosphere 4, a flow regulating device 3 capable of generating a throttling action and an air filter 7 may be sequentially connected in series. A gas tank is connected in series in the gas path leading to the ink cartridge 12 at the port 62.
稳定生成的负压。 为防止墨盒 12中的墨水进入负压系统中去, 在储气罐 8 和墨盒 12之间串接一保护瓶 11。 储气罐 8与保护瓶 11通过一个三通接头 10 连接, 用三通接头 10的另一端连接传感器 9测量系统中的压力值。 Stable generated negative pressure. In order to prevent the ink in the ink cartridge 12 from entering the negative pressure system, a protective bottle 11 is connected in series between the gas tank 8 and the ink cartridge 12. The gas tank 8 and the protective bottle 11 are connected by a three-way joint 10, and the other end of the three-way joint 10 is connected to the sensor 9 to measure the pressure value in the system.
[26] 流量调节装置 5 [26] Flow Regulator 5
可以是节流阀、 能够产生节流作用的电信号控制的元件或减压阀。 电信号控制 的元件可以为比例流量阀。 It may be a throttle valve, an electrical signal controlled component capable of generating a throttling action, or a pressure reducing valve. The components controlled by the electrical signal can be proportional flow valves.
[27] 在这套装置中, 真空泵 1 [27] In this unit, vacuum pump 1
提供了负压生成的原动力, 其能够生成的最大流量和最大真空度, 决定着在墨 盒 12内能够生成的最大负压。 流量调节装置 5 The motive force generated by the negative pressure is provided, and the maximum flow rate and maximum vacuum that can be generated determine the maximum negative pressure that can be generated in the ink cartridge 12. Flow regulating device 5
调节了真空泵的实际抽气量的大小及在流量调节装置 5 Adjusting the actual pumping amount of the vacuum pump and the flow regulating device 5
的进气端的真空度。 流量调节装置 5开口越大, 通过流量调节装置 5 The vacuum of the intake end. Flow regulating device 5 The larger the opening, the flow regulating device 5
的抽气量越大或者在流量调节装置 5的进气端的真空度越大, 在墨盒 12 生成的负压就越大。 流量调节装置 5开口越小, 在墨盒 12 The larger the amount of pumping or the greater the degree of vacuum at the intake end of the flow rate adjusting device 5, the greater the negative pressure generated in the ink cartridge 12. The flow regulating device 5 has a smaller opening in the ink cartridge 12
内生成的负压就越小, 甚至可以达到接近于 0负压。 过滤器 7 The smaller the generated negative pressure, the closer the negative pressure can be. Filter 7
可以防止外界杂质进入负压系统。 过滤器 7 It can prevent foreign matter from entering the negative pressure system. Filter 7
本身有一定的节流能力, 其最大节流能力决定了在墨盒 12 It has a certain throttling capacity, and its maximum throttling capacity determines the ink cartridge 12
内生成的最大负压。 若过滤器 7的节流能力不够, 则可以在过滤器 7 The maximum negative pressure generated inside. If the throttling capacity of the filter 7 is insufficient, it can be in the filter 7
和三通接头 6的进气端 63之间增加流量调节装置 3。 储气罐 8 A flow regulating device 3 is added between the intake port 63 of the tee fitting 6. Gas storage tank 8
能够起到很好的稳定负压的作用, 并使得压力传感器 9 Can function as a good stable negative pressure and make the pressure sensor 9
测量得到的数据更加精确。 The measured data is more accurate.
[28] 流量调节装置 3 [28] Flow Regulator 3
可以是节流阀、 电信号控制的元件或减压阀, 电信号控制的元件可以为比例流
量阀。 It can be a throttle valve, an electrical signal controlled component or a pressure reducing valve. The electrical signal controlled component can be a proportional flow. Quantity valve.
[29] 在这套装置的使用过程中, 首先启动真空泵 1, 然后根据压力传感器 9 [29] During the use of this device, the vacuum pump 1 is first activated and then according to the pressure sensor 9
的数据来调节流量调节装置 5 Data to adjust the flow regulator 5
, 使得负压达到预定数值。 负压稳定后系统即可开始工作。 当墨盒 12 处于打印状态吋, 墨盒 12内的墨水减少, 墨盒 12 , so that the negative pressure reaches a predetermined value. The system can start working after the negative pressure is stabilized. When the ink cartridge 12 is in the printing state, the ink in the ink cartridge 12 is reduced, and the ink cartridge 12 is lowered.
内的气体体积变大, 外界大气可以通过过滤器 7、 流量调节装置 3、 三通接头 6 、 储气罐 8、 三通接头 10和保护瓶 11补充进入墨盒 12, 防止墨盒 12 内的负压变大。 当墨盒 12处于供墨状态吋, 墨盒 12 The volume of the gas inside becomes large, and the outside atmosphere can be replenished into the ink cartridge 12 through the filter 7, the flow regulating device 3, the three-way joint 6, the gas tank 8, the three-way joint 10, and the protective bottle 11, thereby preventing the negative pressure inside the ink cartridge 12. Become bigger. When the ink cartridge 12 is in the ink supply state, the ink cartridge 12
内的墨水体积变大, 气体体积变小, 多余的气体被真空泵 1抽走, 防止墨盒 12 内的负压变小。 整个装置具有很好的自调节能力。 The volume of the ink inside becomes large, the volume of the gas becomes small, and the excess gas is pumped away by the vacuum pump 1 to prevent the negative pressure in the ink cartridge 12 from becoming small. The entire device has good self-adjusting capabilities.
[30] 将前面描述的负压生成与调节装置作为喷墨印刷机供墨系统的一部分, 喷墨印 刷机具体结构图如图 4所示, 包括: 喷墨印刷机本体 13 [30] The negative pressure generating and adjusting device described above is taken as a part of the ink supply system of the ink jet printer. The specific structure of the ink jet printer is as shown in FIG. 4, including: Inkjet printer body 13
, 以及本体上安装的如前图 2所示的负压生成与调节装置。 And a negative pressure generating and regulating device as shown in FIG. 2 installed on the body.
[31] 作为进一步优化的方案, 喷墨印刷机具体结构图如图 5 [31] As a further optimization scheme, the specific structure of the inkjet printer is shown in Figure 5.
所示, 包括: 喷墨印刷机本体 13, 以及本体上安装的如前图 3 As shown, including: inkjet printer body 13, and the body mounted as shown in the previous figure 3
所示的负压生成与调节装置。 The negative pressure generation and regulation device shown.
[32] 同吋本发明实施例还提供一种负压生成与调节的方法, 该方法流程图如图 6 所示, 当使用如前述负压生成与调节装置过程中执行步骤包括: [32] The embodiment of the present invention further provides a method for generating and adjusting negative pressure. The method is shown in FIG. 6. The steps performed in the process of using the negative pressure generating and adjusting device include:
[33] 步骤 20 : 在真空泵 1启动后, 可同吋从墨盒 12与外界大气 4 [33] Step 20: After the vacuum pump 1 is started, it can be used simultaneously from the ink cartridge 12 and the outside atmosphere 4
抽气, 从而在墨盒 12内生成需要的负压。 The air is pumped to generate the required negative pressure in the ink cartridge 12.
[34] 步骤 21 : 通过调节流量调节装置 5, 可以调节墨盒 12内负压的大小。 [34] Step 21: By adjusting the flow adjustment device 5, the amount of negative pressure in the ink cartridge 12 can be adjusted.
[35] 显然, 本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的 精神和范围。 这样, 倘若本发明的这些修改和变型属于本发明权利要求及其等 同技术的范围之内, 则本发明也意图包含这些改动和变型在内。
[35] It will be apparent to those skilled in the art that various modifications and changes can be made in the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and the modifications of the invention
Claims
1.一种生成并调节墨盒 (12) 中负压的装置, 其特征在于, 包括: 真空泵 (1 ) ; A device for generating and adjusting a negative pressure in an ink cartridge (12), characterized by comprising: a vacuum pump (1);
第一流量调节装置 ( 5 ) , 其一端与所述真空泵 ( 1 a first flow regulating device (5) having one end and the vacuum pump (1)
) 的抽气端相连; 以及 Connected to the pumping end; and
三通接头 (6) , 其出气端 (61 ) 与所述第一流量调节装置 (5a three-way joint (6), an outlet end (61) and the first flow regulating device (5)
) 的另一端连接, 所述三通接头 (6) 的进气端 (63) 接通大气 (4The other end of the connection is connected, and the inlet end (63) of the tee joint (6) is connected to the atmosphere (4)
) , 所述三通接头 (6) 的端口 (62) 与所述墨盒 (12 ), the port (62) of the tee (6) and the ink cartridge (12)
) 连接, 通过启动所述真空泵 (1 ) 并调节所述第一流量调节装置 (5 Connected by activating the vacuum pump (1) and adjusting the first flow regulating device (5)
) , 在所述墨盒 (12) 中生成负压并调节所述墨盒 (12 ) generating a negative pressure in the ink cartridge (12) and adjusting the ink cartridge (12)
) 中负压的大小。 The size of the medium negative pressure.
2.如权利要求 1所述的生成并调节墨盒 ( 12 2. The generating and adjusting ink cartridge of claim 1 (12)
) 中负压的装置, 其特征在于, 所述第一流量调节装置 (5 Medium negative pressure device, characterized in that said first flow regulating device (5)
) 为能够产生节流作用的电信号控制的元件、 节流阀、 或减压阀。 An element, throttle, or relief valve that is controlled by an electrical signal that produces a throttling action.
3. 如权利要求 1所述的生成并调节墨盒 ( 12 3. The generating and adjusting ink cartridge of claim 1 (12)
) 中负压的装置, 其特征在于, 在所述三通接头 (6) 的进气端 (63 ) 通过空气过滤器 (7) 接通大气 (4) 。 The medium-negative pressure device is characterized in that the air inlet (63) is connected to the atmosphere (4) through the air filter (7) at the intake end (63) of the three-way joint (6).
4. 如权利要求 3所述的生成并调节墨盒 ( 12 4. The generating and adjusting ink cartridge of claim 3 (12)
) 中负压的装置, 其特征在于, 所述三通接头 (6) 的进气端 (63 ) 和所述空气过滤器 (7) 间串接第二流量调节装置 (3) 。 The medium-negative pressure device is characterized in that a second flow regulating device (3) is connected in series between the intake end (63) of the three-way joint (6) and the air filter (7).
5. 如权利要求 1所述的生成并调节墨盒 ( 12 5. The generating and adjusting ink cartridge of claim 1 (12)
) 中负压的装置, 其特征在于, 所述三通接头 (6) 的端口 (62 Medium negative pressure device characterized by the port of the tee (6) (62)
) 与所述墨盒 (12) 之间串接储气罐 (8) 。 ) Connect the gas tank (8) to the ink cartridge (12).
6. 如权利要求 5所述的生成并调节墨盒 (12) 中负压的装置, 其特征在于, 所述储气罐 (8) 与所述墨盒 (12) 之间串接保护瓶 (11 6. The apparatus for generating and adjusting a negative pressure in an ink cartridge (12) according to claim 5, wherein a protective bottle is connected in series between the gas storage tank (8) and the ink cartridge (12) (11)
7. 如权利要求 6所述的生成并调节墨盒 (12 7. The generating and adjusting ink cartridge of claim 6 (12)
) 中负压的装置, 其特征在于, 所述储气罐 (8) 与所述保护瓶 (11
) 通过另一个三通接头 (10 ) 连接, 所述另一个三通接头 (10 Medium negative pressure device, characterized in that the gas storage tank (8) and the protective bottle (11) ) connected by another three-way joint (10), the other three-way joint (10)
) 的一端连接传感器 (9 ) 。 ) Connect the sensor (9) to one end.
8 . 如权利要求 2所述的生成并调节墨盒 ( 12 8. The generating and adjusting ink cartridge of claim 2 (12)
) 中负压的装置, 其特征在于, 所述电信号控制的元件为比例流 Medium negative pressure device, characterized in that the component controlled by the electrical signal is a proportional flow
9.一种喷墨印刷机, 包括喷墨印刷机本体 (13 9. An ink jet printer comprising an ink jet printer body (13
) , 其特征在于, 所述本体上 (13 ) 装有权利要求 1 ), wherein the body (13) is equipped with claim 1
所述的生成并调节墨盒中负压的装置。 The device for generating and adjusting the negative pressure in the ink cartridge.
10.—种生成并调节墨盒 (12 10.-Generation and adjustment of ink cartridges (12
) 中负压的方法, 其特征在于, 利用如权利要求 1 Medium negative pressure method, characterized by using claim 1
所述的装置执行以下步骤: The device performs the following steps:
启动真空泵 (1 ) , 从所述墨盒 (12 ) 与外界大气 (4 Start the vacuum pump (1) from the ink cartridge (12) and the outside atmosphere (4
) 抽气, 在所述墨盒 (12 ) 内生成负压; 以及 Pumping, generating a negative pressure in the ink cartridge (12);
通过调节流量调节装置 (5 ) 来调节所述墨盒 (12 ) 的负压值。 The negative pressure value of the ink cartridge (12) is adjusted by adjusting the flow regulating device (5).
11.一种调节容器内压强的装置, 其特征在于, 包括: A device for adjusting the pressure in a container, comprising:
抽气部件; Pumping unit
流量调节部件, 其一端与所述抽气部件的抽气端相连; 以及 a flow regulating member having one end connected to the pumping end of the pumping member;
三通接头, 其出气端与所述流量调节部件的另一端连接, 所述三通接头的 进气端接通大气, 所述三通接头的端口与所述容器连接, 通过开启所述抽 气部件并调节所述流量调节部件, 从而调节所述容器的压强。
a three-way joint having an outlet end connected to the other end of the flow regulating member, an intake end of the three-way joint being connected to the atmosphere, a port of the three-way joint being connected to the container, and the pumping is opened by The component adjusts the flow regulating component to adjust the pressure of the container.
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CNA2007101763109A CN101138908A (en) | 2007-10-24 | 2007-10-24 | Negative pressure generating device, method and ink-jet printer |
CN200710176310.9 | 2007-10-24 |
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CN101138908A (en) * | 2007-10-24 | 2008-03-12 | 北大方正集团有限公司 | Negative pressure generating device, method and ink-jet printer |
GB2455775B (en) * | 2007-12-21 | 2012-07-18 | Linx Printing Tech | Inkjet printer and flow restriction system therefor |
CN101722733B (en) * | 2009-11-19 | 2012-01-11 | 南开大学 | Three-dimensional spray-painting ink supply system |
CN102675964B (en) * | 2011-02-02 | 2014-09-03 | 日本特殊陶业株式会社 | Ink and device |
CN102442077A (en) * | 2011-10-10 | 2012-05-09 | 江苏锐毕利实业有限公司 | System and method for negative-pressure ink supply of rigid printed circuit board jet printing |
CN102555501B (en) * | 2011-12-21 | 2015-09-30 | 深圳市润天智数字设备股份有限公司 | A kind of automatic negative pressure adjusting system and method |
JP6132547B2 (en) * | 2012-12-25 | 2017-05-24 | 株式会社ディスコ | Negative pressure generator |
CN105922740B (en) * | 2016-06-20 | 2018-10-02 | 广东阿诺捷喷墨科技有限公司 | A kind of side spray ink jet numbering machine ink system |
CN107128078A (en) * | 2017-05-26 | 2017-09-05 | 深圳诚拓数码设备有限公司 | The positive and negative pressure control system of print cartridge |
CN109177496B (en) * | 2018-09-27 | 2024-02-20 | 珠海赛纳三维科技有限公司 | Negative pressure control device, negative pressure control method and printing equipment |
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