CN110962463A - Array type ink jet head - Google Patents
Array type ink jet head Download PDFInfo
- Publication number
- CN110962463A CN110962463A CN201811146132.XA CN201811146132A CN110962463A CN 110962463 A CN110962463 A CN 110962463A CN 201811146132 A CN201811146132 A CN 201811146132A CN 110962463 A CN110962463 A CN 110962463A
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- China
- Prior art keywords
- piezoelectric
- plate layer
- piezoelectric tube
- array
- tubes
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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
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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
- B41J2/14—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
- B41J2/16—Production of nozzles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
The invention discloses an array type ink gun, which comprises a guide plate layer, a piezoelectric tube array layer and a nozzle plate layer which are sequentially connected, wherein the guide plate layer is provided with a plurality of drainage channels, the guide plate layer is provided with electrodes, the piezoelectric tube array layer comprises a plurality of piezoelectric tubes, the piezoelectric tubes which are connected are arranged in an array manner, the piezoelectric tubes are made of piezoelectric ceramics, the electrodes can transmit piezoelectric signals to the inner wall and the outer wall of the piezoelectric tubes, the nozzle plate layer comprises a plurality of jet channels, the number of the drainage channels and the number of the jet channels are the same as that of the piezoelectric tubes, and each piezoelectric tube is provided with a drainage channel and a jet channel which are opposite to the piezoelectric tubes. The array type ink gun provided by the invention integrates the plurality of piezoelectric tubes in an array manner, so that the array density of the nozzles is improved, the ink-jet printing resolution is improved, and meanwhile, the plurality of piezoelectric tubes work simultaneously, and the ink-jet printing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of ink-jet printing, in particular to an array type ink-jet head.
Background
In the ink jet printing, a nozzle ejects liquid drops to the surface of a support by the power of an ejector formed by thermal or piezoelectric ceramic deformation, and the like, and the ink jet ejects fine black or color ink drops to a paper surface. Ink jets eject fine droplets of black or color ink onto the paper surface. By using more nozzles and ejecting the same area multiple times, most ink jet printers are able to output medium, high resolution images. Inkjet printers may be capable of jetting cold or hot ink (hot ink dries faster), or heating waxy pigments (solid ink) until liquefied and then jetted, depending on the particular manufacturer and printer model. During printing, the nozzle is kept at a certain distance from the surface of the support, so the printing is also called non-contact printing, and therefore, the distance between the printing medium and the ink jet head is required by the ink jet printing.
The existing ink-jet printing adopts a single-point ink-jet mode, has a complex structure, and utilizes the contraction of a piezoelectric tube to extrude an inner glass tube so as to achieve the purpose of ink-jet, so that the volume of an ink-jet head is large, and the high-precision printing requirement is difficult to achieve; meanwhile, the precision of the nozzle determines the minimum ink drop, the realization of large ink drops is formed by ejecting multiple accumulations in a period of time, and the large ink drops are required in printing.
Therefore, how to solve the current situation of low resolution in single-point inkjet printing in the prior art is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The present invention is directed to an array type inkjet head, which solves the above problems of the prior art and improves the resolution of inkjet printing.
In order to achieve the purpose, the invention provides the following scheme: the invention provides an array type ink gun, which comprises a guide plate layer, a piezoelectric tube array layer and a nozzle plate layer which are sequentially connected, wherein the guide plate layer is provided with a plurality of drainage channels, the guide plate layer is provided with electrodes, the piezoelectric tube array layer comprises a plurality of piezoelectric tubes, the piezoelectric tubes which are connected are arranged in an array manner, the piezoelectric tubes are made of piezoelectric ceramics, the electrodes can transmit piezoelectric signals to the inner wall and the outer wall of the piezoelectric tubes, the nozzle plate layer comprises a plurality of jet channels, the number of the drainage channels and the number of the jet channels are consistent with the number of the piezoelectric tubes, and each piezoelectric tube is provided with one drainage channel and one jet channel which are opposite to the piezoelectric tubes.
Preferably, the drainage channel, the piezoelectric tube and the injection channel are coaxially arranged.
Preferably, the diameter of the drainage channel is larger than the inner diameter of the piezoelectric tube, and the diameter of the injection channel is smaller than the inner diameter of the piezoelectric tube.
Preferably, the piezoelectric tubes are arranged at equal intervals, the piezoelectric tubes are divided into two rows, and the two rows of piezoelectric tubes are arranged in a staggered manner.
Preferably, the piezoelectric tube array layer is an integrally formed part.
Preferably, the cross section of the piezoelectric tube is circular, the inner diameter of the piezoelectric tube is 0.1-0.15mm, and the length of the piezoelectric tube is 10 mm.
Preferably, the nozzle plate layer is made of stainless steel material, and the diameter of the nozzle channel is 0.08 mm.
Preferably, a nano lyophobic coating is arranged on the surface of the nozzle plate layer, and the nano lyophobic coating is formed by spraying a nano lyophobic agent on the nozzle plate layer.
Compared with the prior art, the invention has the following technical effects: the array type ink jet head comprises a guide plate layer, a piezoelectric tube array layer and a nozzle plate layer which are sequentially connected, wherein the guide plate layer is provided with a plurality of drainage channels, the guide plate layer is provided with electrodes, the piezoelectric tube array layer comprises a plurality of piezoelectric tubes, the piezoelectric tubes which are connected are arranged in an array manner, the piezoelectric tubes are made of piezoelectric ceramic materials, the electrodes can transmit piezoelectric signals to the inner wall and the outer wall of the piezoelectric tubes, the nozzle plate layer comprises a plurality of jet channels, the number of the drainage channels and the number of the jet channels are the same as that of the piezoelectric tubes, and each piezoelectric tube is provided with the drainage channel and the jet channel which are opposite to the piezoelectric tubes. When the electrodes on the diversion plate layer are communicated with the piezoelectric tubes, piezoelectric signals are transmitted to the piezoelectric tubes, the piezoelectric tubes contract and deform radially to extrude ink in the inner cavities of the piezoelectric tubes, and the ink is ejected out of the ejection channels.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an array type inkjet head according to the present invention;
FIG. 2 is a schematic view of a structure of a guide plate layer of an array inkjet head according to the present invention;
FIG. 3 is a schematic diagram of a piezoelectric array layer of an array inkjet head according to the present invention;
fig. 4 is a partially cut-away enlarged schematic view of a piezoelectric tube array layer of the array type ink jet head of the present invention;
FIG. 5 is a partial enlarged structural view of a nozzle plate layer of the array type ink jet head according to the present invention;
wherein, 1 is the water conservancy diversion plate layer, 101 is the drainage channel, 2 is the piezoelectric tube array layer, 201 is the piezoelectric tube, 3 is the nozzle plate layer, and 301 is the injection passageway.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
The present invention is directed to an array type inkjet head, which solves the above problems of the prior art and improves the resolution of inkjet printing.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-5, fig. 1 is a schematic structural diagram of an array inkjet head of the present invention, fig. 2 is a schematic structural diagram of a guide plate layer of the array inkjet head of the present invention, fig. 3 is a schematic structural diagram of a piezoelectric tube array layer of the array inkjet head of the present invention, fig. 4 is an enlarged partial cutaway schematic diagram of the piezoelectric tube array layer of the array inkjet head of the present invention, and fig. 5 is an enlarged partial structural diagram of a nozzle plate layer of the array inkjet head of the present invention.
The invention provides an array type ink gun, which comprises a guide plate layer 1, a piezoelectric tube array layer 2 and a nozzle plate layer 3 which are sequentially connected, wherein the guide plate layer 1 is provided with a plurality of drainage channels 101, the drainage channels 101 can be communicated with an ink source, the guide plate layer 1 is provided with electrodes, the piezoelectric tube array layer 2 comprises a plurality of piezoelectric tubes 201, the piezoelectric tubes 201 which are connected are arranged in an array manner, the piezoelectric tubes 201 are made of piezoelectric ceramics, the electrodes can transmit piezoelectric signals to the inner wall and the outer wall of the piezoelectric tubes 201, the nozzle plate layer 3 comprises a plurality of jet channels 301, the number of the drainage channels 101 and the number of the jet channels 301 are consistent with the number of the piezoelectric tubes 201, and each piezoelectric tube 201 is provided with the drainage channels 101 and the jet channels 301 which are opposite to the piezoelectric tubes 201.
According to the array type ink jet head, when the electrodes on the guide plate layer 1 are communicated with the piezoelectric tubes 201, piezoelectric signals are transmitted to the inner wall and the outer wall of the piezoelectric tubes 201, the piezoelectric tubes 201 contract and deform radially to extrude ink in the inner cavities of the piezoelectric tubes 201, and the ink is ejected out of the ejection channels 301. In addition, when there is a large ink droplet demand, can increase the area of piezoelectric tube 201 through the pipe diameter and the length of adjusting piezoelectric tube 201, when receiving the piezoelectric signal, the deformation of piezoelectric tube 201 is great to the ink droplet grow that jets out.
The drainage channel 101, the piezoelectric tube 201 and the jetting channel 301 are coaxially arranged, so that ink jetting resistance is reduced, and ink jetting speed is improved.
Specifically, the diameter of the drainage channel 101 is larger than the inner diameter of the piezoelectric tube 201, so that the diversion plate layer 1 can smoothly guide ink into the inner cavity of the piezoelectric tube 201, and the diameter of the ejection channel 301 is smaller than the inner diameter of the piezoelectric tube 201, thereby realizing ink droplet ejection.
More specifically, the piezoelectric tubes 201 are arranged at equal intervals, the piezoelectric tubes 201 are divided into two rows, and the two rows of piezoelectric tubes 201 are arranged in a staggered manner, so that the arrangement density of the piezoelectric tubes 201 is improved, the density of the ejection channels 301 is indirectly improved, and the purpose of improving the resolution of inkjet printing is finally achieved.
In the specific embodiment, the piezoelectric tube array layer 2 is an integrally formed part, and a 3D printing technology is adopted, so that the forming precision is high, and the ink-jet printing quality is improved.
Further, the cross section of the piezoelectric tube 201 is circular, the inner diameter of the piezoelectric tube 201 is 0.1-0.15mm, and the length of the piezoelectric tube 201 is 10 mm; in other embodiments of the present invention, the cross-section of the piezoelectric tube 201 may also be polygonal.
Furthermore, the nozzle plate layer 3 is made of stainless steel, has good surface quality and is corrosion-resistant, and the diameter of the nozzle channel is 0.08 mm.
It is emphasized that the nano lyophobic coating is arranged on the surface of the nozzle plate layer 3, and the nano lyophobic coating is formed by spraying the nano lyophobic agent on the nozzle plate layer 3, so that the contact area of ink and the nozzle plate layer 3 is reduced, the resistance in the process of liquid drop spraying is reduced, and the spraying speed of the liquid drop is improved to the maximum extent.
According to the array type ink-jet head, the plurality of piezoelectric tubes 201 are integrated in an array manner, so that the arrangement density of nozzles is improved, the ink-jet printing resolution is improved, and meanwhile, the plurality of piezoelectric tubes 201 work simultaneously, and the ink-jet printing efficiency is improved; in addition, when a large ink drop is required, the area of the piezoelectric tube 201 can be increased by adjusting the tube diameter and the length of the piezoelectric tube 201, and when a piezoelectric signal is received, the deformation of the piezoelectric tube 201 is large, so that the ejected ink drop is large; and the drainage channel 101, the piezoelectric tube 201 and the jet channel 301 are coaxially arranged, so that the jet power is strong, and the jet speed of liquid drops is improved.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. An array type ink jet head, characterized in that: including consecutive draft plate layer, piezoelectric tube array layer and nozzle plate layer, the draft plate layer sets up a plurality of drainage channels, the draft plate layer sets up the electrode, piezoelectric tube array layer includes a plurality of piezoelectric tubes, and is a plurality of continuous piezoelectric tube is array and arranges, piezoelectric tube is made by the piezoceramics material, the electrode can with piezoelectric signal transmission extremely on the inside and outside wall of piezoelectric tube, the nozzle plate layer includes a plurality of injection passageways, drainage channel with injection passageway's quantity all with the quantity of piezoelectric tube is unanimous mutually, each piezoelectric tube all have one with piezoelectric tube is just right drainage channel with injection passageway.
2. An array type ink-jet head according to claim 1, wherein: the drainage channel, the piezoelectric tube and the injection channel are coaxially arranged.
3. An array type ink-jet head according to claim 2, wherein: the diameter of the drainage channel is larger than the inner diameter of the piezoelectric tube, and the diameter of the injection channel is smaller than the inner diameter of the piezoelectric tube.
4. An array type ink-jet head according to claim 3, wherein: the piezoelectric tubes are arranged at equal intervals, and are divided into two rows, and the piezoelectric tubes are arranged in a staggered mode.
5. An array type ink-jet head according to claim 4, wherein: the piezoelectric tube array layer is an integrated part.
6. An array type ink-jet head according to claim 3, wherein: the cross section of the piezoelectric tube is circular, the inner diameter of the piezoelectric tube is 0.1-0.15mm, and the length of the piezoelectric tube is 10 mm.
7. An array type ink-jet head according to claim 6, wherein: the nozzle plate layer is made of stainless steel, and the diameter of the nozzle channel is 0.08 mm.
8. An array type ink-jet head according to any one of claims 1 to 7, wherein: and a nano lyophobic coating is arranged on the surface of the nozzle plate layer and is formed by spraying a nano lyophobic agent on the nozzle plate layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146132.XA CN110962463A (en) | 2018-09-29 | 2018-09-29 | Array type ink jet head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146132.XA CN110962463A (en) | 2018-09-29 | 2018-09-29 | Array type ink jet head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110962463A true CN110962463A (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811146132.XA Pending CN110962463A (en) | 2018-09-29 | 2018-09-29 | Array type ink jet head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110962463A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228341A (en) * | 2021-12-16 | 2022-03-25 | 山东中康国创先进印染技术研究院有限公司 | Piezoelectric ink jet head and ink jet printing equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323981A (en) * | 1995-06-01 | 1996-12-10 | Fujitsu Ltd | Ink-jet head |
| JP2005021771A (en) * | 2003-06-30 | 2005-01-27 | Kyocera Corp | Piezoelectric actuator, liquid discharge apparatus and electronic component |
| JP2006263997A (en) * | 2005-03-22 | 2006-10-05 | Fuji Xerox Co Ltd | Liquid droplet ejecting head and liquid droplet ejector |
| JP2008149733A (en) * | 2008-03-13 | 2008-07-03 | Konica Minolta Holdings Inc | Inkjet head |
| CN102909955A (en) * | 2011-08-01 | 2013-02-06 | 夏普株式会社 | Liquid discharging nozzle and method for recovering water-repellent layer of the liquid discharging nozzle |
| JP2014004715A (en) * | 2012-06-22 | 2014-01-16 | Canon Inc | Liquid discharge head and method for manufacturing the same |
| JP2014004726A (en) * | 2012-06-22 | 2014-01-16 | Canon Inc | Liquid discharge head |
| CN104228337A (en) * | 2013-06-20 | 2014-12-24 | 珠海纳思达企业管理有限公司 | Liquid ejecting head and liquid ejecting device |
| JP2017209799A (en) * | 2016-05-23 | 2017-11-30 | 東芝テック株式会社 | Ink jet head, ink jet printer, and manufacturing method for ink jet head |
| CN108472958A (en) * | 2016-01-08 | 2018-08-31 | 赛尔科技有限公司 | Droplet deposition head and its actuator component |
-
2018
- 2018-09-29 CN CN201811146132.XA patent/CN110962463A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323981A (en) * | 1995-06-01 | 1996-12-10 | Fujitsu Ltd | Ink-jet head |
| JP2005021771A (en) * | 2003-06-30 | 2005-01-27 | Kyocera Corp | Piezoelectric actuator, liquid discharge apparatus and electronic component |
| JP2006263997A (en) * | 2005-03-22 | 2006-10-05 | Fuji Xerox Co Ltd | Liquid droplet ejecting head and liquid droplet ejector |
| JP2008149733A (en) * | 2008-03-13 | 2008-07-03 | Konica Minolta Holdings Inc | Inkjet head |
| CN102909955A (en) * | 2011-08-01 | 2013-02-06 | 夏普株式会社 | Liquid discharging nozzle and method for recovering water-repellent layer of the liquid discharging nozzle |
| JP2014004715A (en) * | 2012-06-22 | 2014-01-16 | Canon Inc | Liquid discharge head and method for manufacturing the same |
| JP2014004726A (en) * | 2012-06-22 | 2014-01-16 | Canon Inc | Liquid discharge head |
| CN104228337A (en) * | 2013-06-20 | 2014-12-24 | 珠海纳思达企业管理有限公司 | Liquid ejecting head and liquid ejecting device |
| CN108472958A (en) * | 2016-01-08 | 2018-08-31 | 赛尔科技有限公司 | Droplet deposition head and its actuator component |
| JP2017209799A (en) * | 2016-05-23 | 2017-11-30 | 東芝テック株式会社 | Ink jet head, ink jet printer, and manufacturing method for ink jet head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228341A (en) * | 2021-12-16 | 2022-03-25 | 山东中康国创先进印染技术研究院有限公司 | Piezoelectric ink jet head and ink jet printing equipment |
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Application publication date: 20200407 |