CN110328970B - Ink jet printing apparatus - Google Patents

Ink jet printing apparatus Download PDF

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Publication number
CN110328970B
CN110328970B CN201910651520.1A CN201910651520A CN110328970B CN 110328970 B CN110328970 B CN 110328970B CN 201910651520 A CN201910651520 A CN 201910651520A CN 110328970 B CN110328970 B CN 110328970B
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CN
China
Prior art keywords
ink
ink tank
tank
printing apparatus
inkjet printing
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Active
Application number
CN201910651520.1A
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Chinese (zh)
Other versions
CN110328970A (en
Inventor
闫莹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL Huaxing Photoelectric Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
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 Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to CN201910651520.1A priority Critical patent/CN110328970B/en
Publication of CN110328970A publication Critical patent/CN110328970A/en
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Publication of CN110328970B publication Critical patent/CN110328970B/en
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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
    • 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
    • B41J2/14—Structure thereof only for on-demand ink jet heads
    • 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
    • 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
    • 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
    • B41J2/18—Ink recirculation systems
    • B41J2/185—Ink-collectors; Ink-catchers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
    • H10K71/10—Deposition of organic active material
    • H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
    • H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
    • H10K71/135—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing using ink-jet printing

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ink Jet (AREA)

Abstract

The embodiment of the application discloses an ink-jet printing device. The ink jet printing apparatus includes an ink cartridge, a head, an ink tank, and an ink recovery tank. Wherein the ink cartridge is used for storing ink; the spray head is communicated with the ink box and is used for spraying ink in the ink box; the ink tank is matched with or separated from the spray head, the ink tank is a negative pressure device, and when the ink tank is matched with the spray head, the ink tank absorbs ink in the spray head; the ink recovery tank is communicated with the ink tank and is used for recovering the ink in the ink tank. In this scheme, because the ink tank is negative pressure device, can be when ink tank and shower nozzle cooperation installation, absorb the ink in the shower nozzle into the ink tank through the negative pressure, avoided the ink extravagant.

Description

Ink jet printing apparatus
Technical Field
The application relates to the technical field of printing devices, in particular to an ink-jet printing device.
Background
The development trend of Organic Light Emitting Diode (OLED) Display devices is towards inkjet printing, but the current inkjet printing apparatus may cause the nozzle to be blocked due to dry ink in a standby state. Often because the storage time is overlength under the shower nozzle standby state, or the shower nozzle has the scraping in the printing, or the wind and dust interference in the environment leads to the dry jam phenomenon of nozzle ink, influences the realization of printing the action next time.
For preventing the shower nozzle from blockking up, the in-process that the inkjet printer board was not printed at the shower nozzle still need last the inkjet, and during the receiving arrangement was directly dripped to the ink of shower nozzle spun, the ink aqueous solvent who drips at this in-process was volatile to the cavity in the middle of, influences the printing effect, and the ink droplet that drips splashes around, easily pollutes ink horn aligning device and workstation etc. cause the waste of a large amount of inks simultaneously. The ink cost is high, so that the ink-jet printing production cost is high.
Disclosure of Invention
The embodiment of the application provides an ink-jet printing device, which can avoid causing ink waste.
The embodiment of the application provides an inkjet printing device, includes:
an ink cartridge for storing ink;
the spray head is communicated with the ink box and is used for spraying ink in the ink box;
the ink tank is matched with or separated from the spray head, the ink tank is a negative pressure device, and when the ink tank is matched with the spray head, the ink tank absorbs ink in the spray head;
and the ink recovery tank is communicated with the ink tank and is used for recovering the ink in the ink tank.
In the inkjet printing apparatus provided by the embodiment of the application, the ink tank includes a first end and a second end which are oppositely arranged, the cross-sectional area of the inside of the ink tank is gradually reduced from the first end to the second end, and a plurality of grooves are arranged on the inner surface of the ink tank.
In the inkjet printing device provided by the embodiment of the application, the ink tank comprises a notch, a sealing ring is arranged on the inner contour of the notch, and the inner contour of the notch is in lock joint fit with the outer contour of the spray head through the sealing ring.
In the inkjet printing device that this application embodiment provided, be provided with mobilizable sealed apron on the ink tank, the ink tank with during the shower nozzle cooperation installation, sealed apron is opened, the ink tank with during the shower nozzle separation, sealed apron is closed in order to seal the notch of ink tank.
In the inkjet printing apparatus provided by the embodiment of the application, the spray head includes at least one spray hole, and the spray head sprays the ink in the ink cartridge through the spray hole.
In the inkjet printing device that this application embodiment provided, be provided with a liftable platform in the ink tank, be provided with protruding structure on the liftable platform, be provided with the pinhole in the protruding structure, the quantity of protruding structure with the quantity matching of orifice, the ink tank with during the shower nozzle cooperation installation, protruding structure inserts the orifice.
In the inkjet printing device provided by the embodiment of the application, the protruding structure is in a shape of a truncated pyramid or a circular truncated cone.
In the inkjet printing apparatus provided in an embodiment of the present application, a constituent material of the seal ring includes polytetrafluoroethylene, teflon, or fluororubber.
In the inkjet printing apparatus provided in the embodiment of the present application, the inkjet printing apparatus further includes a hose, and the ink recovery tank is communicated with the ink tank through the hose.
In the inkjet printing apparatus provided in the embodiment of the present application, a valve is disposed on the hose, and the valve is used to open or close the hose.
From the above, the inkjet printing apparatus provided by the embodiment of the present application includes an ink cartridge, a nozzle, an ink tank, and an ink recovery tank. Wherein the ink cartridge is used for storing ink; the spray head is communicated with the ink box and is used for spraying ink in the ink box; the ink tank is matched with or separated from the spray head, the ink tank is a negative pressure device, and when the ink tank is matched with the spray head, the ink tank absorbs ink in the spray head; the ink recovery tank is communicated with the ink tank and is used for recovering the ink in the ink tank. In this scheme, because the ink tank is negative pressure device, can be when ink tank and shower nozzle cooperation installation, absorb the ink in the shower nozzle into the ink tank through the negative pressure, avoided the ink extravagant.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an inkjet printing apparatus according to an embodiment of the present application.
Fig. 2 is a schematic view of a first structure of an ink tank according to an embodiment of the present disclosure.
Fig. 3 is a schematic diagram of a second structure of an ink tank according to an embodiment of the present application.
Fig. 4 is a schematic diagram of a third structure of an ink tank according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a liftable platform provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a schematic structural diagram of an inkjet printing apparatus according to an embodiment of the present application. The inkjet printing apparatus 100 may include an ink cartridge 10, a head 20, an ink tank 30, an ink recovery tank 40, and the like.
The ink cartridge 10 is a container that can be used to store ink. The ink cartridge 10 includes, but is not limited to, the illustrated shape. The ink cartridge 10 may also be other shapes such as cylindrical, conical, etc.
Wherein the head 20 can communicate with the ink cartridge 10. The spray head 20 may be used to spray ink from the ink cartridge 10. In some embodiments, the showerhead 20 may include at least one orifice 201. The nozzle 20 can spray ink in the ink cartridge 10 through the nozzle hole 201.
Wherein the ink tank 30 can be installed in cooperation with or separated from the head 20. Specifically, when the head 20 enters the operating state, the ink tank 30 is separated from the head 20. The ink tank 30 is installed in cooperation with the head 20 when the head is removed from the operating state. It should be noted that the ink tank 30 is a negative pressure device. The ink tank 30 can absorb ink in the head 20 when mounted in cooperation with the head 20. It can be understood that since the ink tank 30 is a negative pressure device, the ink in the nozzle 20 can be more easily dropped into the ink tank 30.
Referring to fig. 2, the ink tank 30 may include a first end 31 and a second end 32 disposed opposite to each other. It will be appreciated that when ink is dropped directly from the first end 31 to the second end 32 of the ink tank 30, the dropped ink is easily splashed around.
It should be noted that the terms "first", "second" and "third" in the description of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the described features.
To avoid the above, in some embodiments, the inside of the ink tank 30 may be provided in a groove-like structure in which the cross-sectional area gradually decreases from the first end 31 to the second end 32. It will be appreciated that the interior surface of the ink tank 30 is now sloped. When ink drops from the first end 31 of the ink tank 30, the ink does not directly drop to the second end 32, but drops on the inner surface of the ink tank 30, so that the splashing of ink can be reduced. Moreover, since the inner surface of the ink tank 30 is a slope, the ink can more easily flow along the inner surface of the ink tank 30 from the first end 31 to the second end 32.
It should be noted that in the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
It is understood that, when ink is dropped on the inner surface of the ink tank 30, although the ink splashed may be reduced to some extent, since the inner surface of the ink tank 30 is flat, the ink may be splashed.
In some embodiments, to further avoid ink splashing around. As shown in fig. 3, a plurality of grooves 301 may be provided on the inner surface of the ink tank 30. It should be noted that the design of the groove 301 includes, but is not limited to, that shown in fig. 3. The recess 301 may communicate the first end 31 and the second end 32 of the ink tank 30. When the ink drops into the groove 301, most of the splashed ink splashes to the side wall of the groove 301, and the splashed ink remains on the inner surface of the ink tank 30. Therefore, the groove 301 can reduce ink splashed to the surroundings. It will be appreciated that the provision of raised structures on the inner surface of the ink tank 30 may serve the same purpose.
Referring to FIG. 4, the ink tank 30 may include a notch 302. It will be appreciated that the notch 302 is located at the first end 31 of the ink tank 30.
In some embodiments, a sealing ring 3021 may be provided on the inner contour of the slot 302 to increase the sealing of the ink tank 30 when mounted in cooperation with the ejection head 20. The inner contour of the notch 302 may be snap-fit with the outer contour of the spray head 20 via the sealing ring 3021. The sealing ring 3021 may be made of polytetrafluoroethylene, teflon, or viton.
In some embodiments, in order to prevent the ink in the ink tank 30 from volatilizing from the opening 30 to the outside when the ink tank 30 is separated from the head 20, and causing ink waste, a movable sealing cover 303 may be disposed on the ink tank 30. When ink tank 30 is mated with inkjet head 20, the sealing cover 303 may be opened to allow inkjet head 20 to snap fit into notch 302. When the ink tank 30 is separated from the ejection head 20, the sealing cover 303 may be closed to seal the slot 302, thereby preventing the ink from volatilizing to the outside through the slot 302.
Referring to fig. 5, a lifting platform 304 may be disposed in the ink tank 30. Wherein, a convex structure 3041 is disposed on the liftable platform 304. Wherein, a pinhole is disposed in the protruding structure 3041. The protruding structure 3041 may have a frustum shape or a circular truncated cone shape.
It should be noted that the number of the raised structures 3041 on the liftable platform 304 matches the number of the spray holes 201 of the spray head 20. When the head 20 is removed from the operating state, the ink tank 30 is fitted to the head 20. At this time, the liftable platform 304 is lifted, so that the protrusion structure on the liftable platform 304 is inserted into the nozzle hole 201 of the nozzle 20. The ink tank 30 can draw a negative pressure through the nozzle 201, so that the ink in the nozzle 20 drops into the ink tank 30.
It is understood that the projection structure 3041 is inserted into the nozzle hole 201 when the head 20 is mounted in cooperation with the ink tank 30. Therefore, the protruding structure 3041 can also dredge the nozzle 201 of the nozzle 20, so as to avoid the nozzle 201 from being blocked and affecting the working efficiency of the nozzle 20.
Wherein the ink recovery tank 40 can communicate with the ink tank 30. The ink recovery tank 40 may be used to recover ink in the ink tank 30.
In some embodiments, the inkjet printing apparatus 100 may further include a hose 50. The ink recovery device 30 may communicate with the ink tank 30 through the hose 50. Wherein a valve 60 is disposed on the hose 50, and the valve 60 can be used to open or close the hose 50.
For example, when ink tank 30 is installed in cooperation with inkjet head 20, valve 60 may be opened to allow ink in ink tank 30 to be recovered in ink recovery tank 50. The ink in the ink recovery tank 50 can be recycled, and waste of the ink is avoided.
As can be seen from the above, the inkjet printing apparatus 100 according to the embodiment of the present application includes the ink cartridge 10, the ejection head 20, the ink tank 30, and the ink recovery tank 40. Wherein the ink cartridge 10 is used for storing ink; the spray head 20 is communicated with the ink box 10 and is used for spraying ink in the ink box 10; the ink tank 30 is installed or separated from the head 20, the ink tank 30 is a negative pressure device, and when the ink tank 30 is installed in the head 20, the ink tank 30 absorbs ink in the head 20; the ink recovery tank 40 communicates with the ink tank 30, and is used for recovering the ink in the ink tank 30. In this embodiment, since the ink tank 30 is a negative pressure device, when the ink tank 30 is installed in cooperation with the nozzle 20, ink in the nozzle 20 can be absorbed into the ink tank 30 by negative pressure, thereby avoiding ink waste.
The foregoing detailed description is directed to an inkjet printing apparatus provided in the embodiments of the present application, and the principles and embodiments of the present application are described herein by using specific examples, which are only used to help understand the technical solutions and the core ideas of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims (9)

1. An inkjet printing apparatus, comprising:
an ink cartridge for storing ink;
the spray head is communicated with the ink box and is used for spraying ink in the ink box;
the ink tank is matched with or separated from the spray head, the ink tank is a negative pressure device, when the ink tank is matched with the spray head, the ink tank absorbs ink in the spray head, the ink tank comprises a first end and a second end which are oppositely arranged, the cross-sectional area of the interior of the ink tank is gradually reduced from the first end to the second end, and a plurality of grooves are formed in the inner surface of the ink tank;
and the ink recovery tank is communicated with the ink tank and is used for recovering the ink in the ink tank.
2. Inkjet printing apparatus according to claim 1 wherein the ink tank includes a slot having an internal contour with a sealing ring, the internal contour of the slot being snap-fit with the external contour of the nozzle head via the sealing ring.
3. Inkjet printing apparatus according to claim 2 wherein said ink tank is provided with a movable sealing cover, said sealing cover being opened when said ink tank is mounted in cooperation with said nozzle and being closed to seal a slot opening of said ink tank when said ink tank is separated from said nozzle.
4. Inkjet printing apparatus according to any one of claims 1 to 3 wherein the spray head includes at least one orifice through which the spray head sprays ink in the ink cartridge.
5. The inkjet printing apparatus of claim 4, wherein a lifting platform is disposed in the ink tank, a protrusion structure is disposed on the lifting platform, a needle hole is disposed in the protrusion structure, the number of the protrusion structure matches the number of the nozzle holes, and the protrusion structure is inserted into the nozzle hole when the ink tank is mounted in cooperation with the nozzle.
6. Inkjet printing apparatus according to claim 5 wherein the raised structure is prismoid or truncated.
7. Inkjet printing apparatus according to claim 2 wherein the seal ring is formed from a material comprising polytetrafluoroethylene, teflon or viton.
8. The inkjet printing apparatus of claim 1, further comprising a hose, said ink recovery tank being in communication with said ink tank through said hose.
9. Inkjet printing apparatus according to claim 8 wherein said hose is provided with a valve for opening or closing said hose.
CN201910651520.1A 2019-07-18 2019-07-18 Ink jet printing apparatus Active CN110328970B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910651520.1A CN110328970B (en) 2019-07-18 2019-07-18 Ink jet printing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910651520.1A CN110328970B (en) 2019-07-18 2019-07-18 Ink jet printing apparatus

Publications (2)

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CN110328970A CN110328970A (en) 2019-10-15
CN110328970B true CN110328970B (en) 2020-12-08

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1226146C (en) * 2002-06-11 2005-11-09 精工爱普生株式会社 Waste liquid treating apparatus and liquid spraying apparatus incorporated therewith
CN101875262A (en) * 2009-04-30 2010-11-03 上海福士达电子有限公司 Device for removing residual ink on inkjet head of printer, graph plotter or inkjet printer
CN203282855U (en) * 2013-05-08 2013-11-13 深圳市微特智能系统有限公司 Ink-jet printer and jet head cleaning device for ink-jet printer
CN207916313U (en) * 2017-12-29 2018-09-28 上海安诺其数码科技有限公司 Waste ink collecting apparatus
CN108394183B (en) * 2018-04-24 2023-09-01 广东阿诺捷喷墨科技有限公司 Ink-sucking maintenance device for nozzle of ink-jet printer

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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province

Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd.

Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province

Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd.