CN106364164A - Droplet spray device and inkjet printing device - Google Patents
Droplet spray device and inkjet printing device Download PDFInfo
- Publication number
- CN106364164A CN106364164A CN201610923954.9A CN201610923954A CN106364164A CN 106364164 A CN106364164 A CN 106364164A CN 201610923954 A CN201610923954 A CN 201610923954A CN 106364164 A CN106364164 A CN 106364164A
- Authority
- CN
- China
- Prior art keywords
- liquid
- circulation groove
- droplet ejection
- ejection apparatus
- cross
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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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
- B41J2/135—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
-
- 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
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/12—Embodiments of or processes related to ink-jet heads with ink circulating through the whole print head
Abstract
The invention discloses a droplet spray device. The droplet spray device comprises a plurality of nozzles, liquid chambers and pressure generation components, wherein the plurality of nozzles are arranged according to a specified array; each liquid chamber comprises a first wall and a second wall, and is arranged with regard to each nozzle and arranged just above the nozzle; and each pressure generation component is arranged with regard to each liquid chamber and enables a liquid in the liquid chamber to be ejected from the corresponding nozzle as droplets. The droplet spray device is characterized by further comprising an adapter plate, wherein the adapter plate is arranged just above the liquid chambers and used for leading out electrodes of the pressure generation components.
Description
Technical field
The present invention relates to inkjet printing field, in particular relate to a kind of liquid droplet ejection apparatus of carrying liqs circulatory function and make
Inkjet-printing device with this liquid droplet ejection apparatus.
Background technology
Inkjet technology refers to by while making ink gun and print media make relative movement, making ink gun by ink
Drip and be ejected into print media to form the technology of print image or word from nozzle.In industrial inkjet prints, to ink gun
Ink ejecting state require very high it is impossible to have have in print procedure nozzle disappearance situation.The nozzle deletion condition of ink gun
Typically occur in following situation, one is bubble in nozzle.Two is to have precipitation blocking spray orifice.
Content of the invention
The problem existing for prior art, it is an object of the invention to propose a kind of drop spray of carrying liqs circulatory function
Injection device.
For achieving the above object, liquid droplet ejection apparatus proposed by the present invention, comprising:
Multiple nozzles, by the array setting of regulation；
Liquid room, including the first wall and the second wall, it is directed to each former nozzle and arranges, and arranges the surface of former nozzle；
Components of stres, it is directed to each aforementioned liquid room and arranges, and makes the indoor liquid of aforementioned liquid as drop from aforementioned spray
Spray in mouth；
It is characterized in that, also include a keyset, keyset is arranged on the surface of liquid room, for by the electricity of piezoelectricity generating element
Pole is drawn.
In above-mentioned liquid droplet ejection apparatus, state setting circulating slot on liquid room in each of front, circulating slot is included on the first wall
The first circulation groove of setting, the second circulation groove of setting on the second wall.
In above-mentioned liquid droplet ejection apparatus, the central shaft of described first circulation groove is existed with the central shaft of described second circulation groove
In same horizontal line.
In above-mentioned liquid droplet ejection apparatus, vertically, described first circulation groove is arranged on described second circulation groove
Upper end.
In above-mentioned liquid droplet ejection apparatus, vertically, described first circulation groove is arranged on described second circulation groove
Lower end.
In above-mentioned liquid droplet ejection apparatus, the quantity of described first circulation groove is less than the quantity of described second circulation groove.
In above-mentioned liquid droplet ejection apparatus, the area of the cross section of described first circulation groove is more than described second circulation groove
The area of cross section.
In above-mentioned liquid droplet ejection apparatus, the horizontal stroke of the shape of cross section of described first circulation groove and described second circulation groove
The shape in section is identical.
In above-mentioned liquid droplet ejection apparatus, the cross section of described first circulation groove be shaped as rectangle, square or terraced
One of shape.
In above-mentioned liquid droplet ejection apparatus, after liquid enters liquid injection apparatus main body, warp enters from the top of described liquid room
Enter, during inkjet printing, liquid sprays from nozzle in the presence of components of stres.
In above-mentioned liquid droplet ejection apparatus, liquid is through entering through first circulation groove after the import main body of liquid injection apparatus
Liquid room, then flows to the outlet of liquid injection apparatus, during inkjet printing, liquid is in components of stres by second circulation groove
Spray from nozzle under effect.
Another object of the present invention is to proposing a kind of inkjet-printing device it is characterised in that including above-mentioned drop spray
Injection device.
The present invention has the following technical effect that with respect to prior art
1st, pass through to increase liquid circulation groove on liquid room so that liquid flows in liquid droplet ejection apparatus forms circulation confession
Ink, reduces bubble and collects in spray groove, take away big granule in liquid, keep the unimpeded of spray conduit；
2nd, pass through to increase keyset by the drive electrode extraction of nozzle, high-resolution wiring rule can be met using electrode arrangements
Very little, reduce the size in nozzle arrangement direction for the liquid droplet ejection apparatus.
3rd, the cost making the manufacturing of high accuracy ink gun reduces, and the difficulty that processing is installed reduces, and qualification rate is significantly
Improve.
Brief description
Fig. 1 is the perspective view of liquid droplet ejection apparatus in one specific embodiment of the present invention；
Fig. 2 is the cross section structure diagram of the liquid droplet ejection apparatus in the present invention first specific embodiment；
Fig. 3 is the cross section structure diagram of the liquid droplet ejection apparatus in the present invention second specific embodiment；
Fig. 4 is the cross section structure diagram of the liquid droplet ejection apparatus in the present invention the 3rd specific embodiment；
Fig. 5 is the cross section structure diagram of the liquid droplet ejection apparatus in the present invention the 4th specific embodiment；
Fig. 6 is the cross section structure diagram of the liquid droplet ejection apparatus in the present invention the 5th specific embodiment；.
Specific embodiment
With reference to the accompanying drawings and examples liquid injection apparatus proposed by the present invention are described further.Following examples
It is merely to illustrate the present invention, but be not limited to the scope of the present invention.
As depicted in figs. 1 and 2, the liquid droplet ejection apparatus of the embodiment of the present invention include multiple nozzles 111, by the array of regulation
Setting；Liquid room 01, including the first wall 12 and the second wall 13, it is directed to each former nozzle and arranges, and arranges former nozzle 111
Surface；Components of stres, it is directed to each aforementioned liquid room and arranges, and makes the indoor liquid of aforementioned liquid as drop in the past
State in nozzle and spray；Components of stres is arranged on the first wall 15 and the second wall 16 (not shown in FIG.)；Keyset 14 is arranged
In the surface of liquid room 01, for the drive electrode of components of stres is drawn；State on liquid room 01 following of setting in each of front
Annular groove, circulating slot includes the first circulation groove 121 of setting on the first wall 12, the second circulation groove of setting on the second wall 13
131, first circulation groove 121 is connected by liquid room 01 with second circulation groove 131；And the central shaft of first circulation groove 121 and second
In the same horizontal line, first circulation groove 121 is connected the central shaft of circulating slot 131 with the import 2 of liquid injection apparatus, and second follows
Annular groove 131 is connected with the outlet 3 of liquid injection apparatus.During inkjet printing, liquid enters import 2 warp of liquid injection apparatus main body 1
Enter from the top of liquid room 01, then in the presence of components of stres, the nozzle 111 from nozzle plate 11 sprays.The present invention
The import 2 of liquid injection apparatus 1 can also be entered through entering from first circulation groove 121 for liquid during inkjet printing, be then passed through
The outlet 3 of liquid injection apparatus is flowed to from second circulation groove 131, from nozzle in the presence of components of stres after liquid room 01
Nozzle 111 on plate 11 sprays.The binding post of import and electrode that liquid flow is entered ink channel by the present invention separates, and improves array
The integrated level of nozzle.Keyset is only responsible for contact conductor arrangement, and ink can reduce liquid jet dress from the both sides ink supply of liquid room
Put the size in nozzle direction；Liquid circulation groove makes liquid flow in liquid droplet ejection apparatus and forms circulation confession simultaneously
Ink, reduces bubble and collects in spray groove, take away big granule in liquid, keep the unimpeded of spray conduit.
The shape of the cross section of the shape of the cross section of first circulation groove 121 in the present embodiment and second circulation groove 131
Identical, and the area d2 of the cross section of first circulation groove 121 is more than the area d1 of the cross section of second circulation groove 131.First follows
The cross section of annular groove 121 and second circulation groove 131 be shaped as rectangle, one of square or trapezoidal.
As depicted in figs. 1 and 2, the liquid droplet ejection apparatus of the present invention include multiple nozzles 211, by the array setting of regulation；
Liquid room 02, including the first wall 22 and the second wall 23, it is directed to each former nozzle and arranges, and just arranges former nozzle 211
Top；Components of stres, it is directed to each aforementioned liquid room and arranges, and makes the indoor liquid of aforementioned liquid as drop from aforementioned spray
Spray in mouth；Components of stres is arranged on the first wall 25 and the second wall 26 (not shown in FIG.)；Keyset 24 is arranged on liquid
The surface of room 02, for drawing the drive electrode of components of stres；State the circulating slot of setting on liquid room 02 in each of front,
Circulating slot includes the first circulation groove 221 of setting on the first wall 22, the second circulation groove 231 of setting on the second wall 23；And
Vertically, the surface of the central shaft in second circulation groove 231 for the central shaft of first circulation groove 221, first circulation groove 221
It is connected by liquid room 02 with second circulation groove 231, first circulation groove 221 is connected with the import 2 of liquid injection apparatus, second circulation
Groove 231 is connected with the outlet 3 of liquid injection apparatus.During inkjet printing liquid enter liquid injection apparatus main body 1 import 2 through from
The top of liquid room 02 enters, and then in the presence of components of stres 24, the nozzle 211 from nozzle plate 21 sprays.The present invention
The import 2 of liquid injection apparatus 1 can also be entered through entering from first circulation groove 221 for liquid during inkjet printing, be then passed through
The outlet 3 of liquid injection apparatus is flowed to from second circulation groove 231, from nozzle in the presence of components of stres after liquid room 02
Nozzle 211 on plate 21 sprays.The present invention can also for inkjet printing when liquid enter liquid injection apparatus 1 import 2 through from
First circulation groove 221 enters, and flows to the outlet 3 of liquid injection apparatus after being then passed through liquid room 02 from second circulation groove 231,
In the presence of components of stres, the nozzle 211 from nozzle plate 21 sprays.
The shape of the cross section of the shape of the cross section of first circulation groove 221 in the present embodiment and second circulation groove 231
Identical, and the area of the cross section of first circulation groove 221 is more than the area of the cross section of second circulation groove 231.First circulation groove
221 and second circulation 231 cross section be shaped as rectangle, one of square or trapezoidal.
As shown in figures 1 and 3, the liquid droplet ejection apparatus of the present invention include multiple nozzles 311, by the array setting of regulation；
Liquid room 03, including the first wall 32 and the second wall 33, it is directed to each former nozzle and arranges, and just arranges former nozzle 311
Top；Components of stres, it is directed to each aforementioned liquid room and arranges, and makes the indoor liquid of aforementioned liquid as drop from aforementioned spray
Spray in mouth；Components of stres is arranged on the first wall 35 and the second wall 36 (not shown in FIG.)；Keyset 34 is arranged on liquid
The surface of room 03, for drawing the drive electrode of components of stres；State the circulating slot of setting on liquid room 03 in each of front,
Circulating slot includes the first circulation groove 321 of setting on the first wall 32, the second circulation groove 331 of setting on the second wall 33；And
Vertically, the underface of the central shaft in second circulation groove 331 for the central shaft of first circulation groove 321, first circulation groove 321
It is connected by liquid room 03 with second circulation groove 331, first circulation groove 321 is connected with the import 2 of liquid injection apparatus, second circulation
Groove 331 is connected with the outlet 3 of liquid injection apparatus.During inkjet printing liquid enter liquid injection apparatus main body 1 import 2 through from
The top of liquid room 03 enters, and then in the presence of components of stres 34, the nozzle 311 from nozzle plate 31 sprays.
The shape of the cross section of the shape of the cross section of first circulation groove 321 in the present embodiment and second circulation groove 331
Identical, and the area of the cross section of first circulation groove 321 is more than the area of the cross section of second circulation groove 331.First circulation groove
321 and second circulation 331 cross section be shaped as rectangle, one of square or trapezoidal.
As shown in Figure 1 and Figure 4, the liquid droplet ejection apparatus of the present invention include multiple nozzles 411, by the array setting of regulation；
Liquid room 04, including the first wall 42 and the second wall 43, it is directed to each former nozzle and arranges, and just arranges former nozzle 411
Top；Components of stres, it is directed to each aforementioned liquid room and arranges, and makes the indoor liquid of aforementioned liquid as drop from aforementioned spray
Spray in mouth；Components of stres is arranged on the first wall 42 and the second wall 43 (not shown in FIG.)；Keyset 44 is arranged on liquid
The surface of room 04, for drawing the drive electrode of components of stres；State the circulating slot of setting on liquid room 04 in each of front,
Circulating slot includes on the first wall 42 the first circulation groove 421 of setting, the second circulation groove 431 of setting and the on the second wall 43
Three circulating slots 432；First circulation groove 421 is connected by liquid room 04 with second circulation groove 431, and first circulation groove 421 follows with second
Annular groove 432 is connected by liquid room 04, and first circulation groove 421 is connected with the import 2 of liquid injection apparatus, second circulation groove 431 and
3rd circulating slot 432 is connected with the outlet 3 of liquid injection apparatus.During inkjet printing, liquid enters liquid injection apparatus main body 1
Through entering from the top of liquid room 04, then in the presence of components of stres 44, the nozzle 411 from nozzle plate 41 sprays for import 2
Go out.
The shape of the cross section of the shape of the cross section of first circulation groove 421 in the present embodiment and second circulation groove 431
Identical, and the area of the cross section of first circulation groove 421 is more than the area of the cross section of second circulation groove 431.First circulation groove
421 and second circulation groove 431 cross section be shaped as rectangle, one of square or trapezoidal.
As shown in Figure 1 and Figure 5, the liquid droplet ejection apparatus of the present invention include multiple nozzles 511, by the array setting of regulation；
Liquid room 05, including the first wall 52 and the second wall 53, it is directed to each former nozzle and arranges, and just arranges former nozzle 511
Top；Components of stres, it is directed to each aforementioned liquid room and arranges, and makes the indoor liquid of aforementioned liquid as drop from aforementioned spray
Spray in mouth；Components of stres is arranged on the first wall 52 and the second wall 53 (not shown in FIG.)；Keyset 54 is arranged on liquid
The surface of room 05, for drawing the drive electrode of components of stres；State the circulating slot of setting on liquid room 05 in each of front,
Circulating slot includes first circulation groove 521 and the second circulation groove 522 be arrangeding in parallel on the first wall 52, parallel on the second wall 53
3rd circulating slot 533 of setting and the 4th circulating slot 534；And vertically.First circulation groove 521 and second circulation groove 522
Central shaft in the underface of the 3rd circulating slot 533 and the central shaft of the 4th circulating slot 534 or underface, or can also may be used
With two central shafts in the same horizontal line, first circulation groove 521 and second circulation groove 55 and the 3rd circulating slot 533 and the 4th circulation
Connected by liquid room 05 between groove 534, first circulation groove 521 and second circulation groove 522 are connected with the import 2 of liquid injection apparatus
Connect, the 3rd circulating slot 533 and the 4th circulating slot 534 are connected with the outlet 3 of liquid injection apparatus.During inkjet printing, liquid enters liquid
The import 2 of body injection apparatus main body 1 through entering from the top of liquid room 05, then from nozzle in the presence of components of stres 54
Nozzle 511 on plate 51 sprays.
The shape of cross section of the first circulation groove 521 in the present embodiment and second circulation groove 522 and the 3rd circulating slot 533
And the 4th circulating slot 534 cross section shape identical.And the face of the cross section of first circulation groove 521 and second circulation groove 532
Long-pending sum is more than the area sum of the cross section of the 3rd circulating slot 533 and the 4th circulating slot 534.First circulation groove 521, second follow
Annular groove 522, the 3rd circulating slot 531, the cross section of the 4th circulating slot 534 be shaped as rectangle, square or trapezoidal in one
Kind.First circulation groove 521 can equal can not also wait with the cross-sectional area of second circulation groove 522, the 3rd circulating slot 523 and
The cross-sectional area of four circulating slots 524 can equal can not also wait.
Mode used above is merely to illustrate the present invention, and the not restriction to invention, about the ordinary skill people of technical field
Member, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all equivalent
Technical scheme falls within the protection category of the present invention.
Claims (10)
1. a kind of liquid droplet ejection apparatus, comprising:
Multiple nozzles, by the array setting of regulation；
Liquid room, including the first wall and the second wall, it is directed to each former nozzle and arranges, and arranges the surface of former nozzle；
Components of stres, it is directed to each aforementioned liquid room and arranges, and makes the indoor liquid of aforementioned liquid as drop from aforementioned spray
Spray in mouth；
It is characterized in that, also include a keyset, keyset is arranged on the surface of liquid room, for by the electricity of piezoelectricity generating element
Pole is drawn.
2. liquid droplet ejection apparatus as claimed in claim 1 are it is characterised in that be additionally included in setting circulation on each aforementioned liquid room
Groove, circulating slot includes the first circulation groove of setting on the first wall, the second circulation groove of setting on the second wall.
3. liquid droplet ejection apparatus as claimed in claim 1 are it is characterised in that the central shaft of described first circulation groove and described the
The central shaft of two circulating slots is in the same horizontal line.
4. it is characterised in that vertically, described first circulation groove is arranged liquid droplet ejection apparatus as claimed in claim 1
Upper end in described second circulation groove.
5. it is characterised in that vertically, described first circulation groove is arranged liquid droplet ejection apparatus as claimed in claim 1
Lower end in described second circulation groove.
6. liquid droplet ejection apparatus as claimed in claim 1 are it is characterised in that the quantity of described first circulation groove is less than described the
The quantity of two circulating slots.
7. liquid droplet ejection apparatus as claimed in claim 1 are it is characterised in that the area of the cross section of described first circulation groove is big
Area in the cross section of described second circulation groove.
8. liquid droplet ejection apparatus as claimed in claim 1 it is characterised in that the shape of cross section of described first circulation groove and
The shape of the cross section of described second circulation groove is identical, the cross section of described first circulation groove be shaped as rectangle, square
One of or trapezoidal.
9. liquid droplet ejection apparatus as claimed in claim 1 it is characterised in that the import main body through liquid injection apparatus for the liquid it
Enter liquid room by first circulation groove, then flow to the outlet of liquid injection apparatus by second circulation groove, liquid during inkjet printing
Body sprays from nozzle in the presence of components of stres.
10. a kind of inkjet-printing device is it is characterised in that include the liquid droplet ejection apparatus described in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610923954.9A CN106364164A (en) | 2016-10-23 | 2016-10-23 | Droplet spray device and inkjet printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610923954.9A CN106364164A (en) | 2016-10-23 | 2016-10-23 | Droplet spray device and inkjet printing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106364164A true CN106364164A (en) | 2017-02-01 |
Family
ID=57896659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610923954.9A Pending CN106364164A (en) | 2016-10-23 | 2016-10-23 | Droplet spray device and inkjet printing device |
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| Country | Link |
|---|---|
| CN (1) | CN106364164A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018154067A (en) * | 2017-03-21 | 2018-10-04 | 株式会社リコー | Liquid discharge head, liquid discharge unit, and device for discharging liquid |
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| JP2015101034A (en) * | 2013-11-26 | 2015-06-04 | セイコーエプソン株式会社 | Liquid ejection head and liquid ejection device |
| CN106515217A (en) * | 2016-10-22 | 2017-03-22 | 北京奥润联创微电子科技开发有限公司 | Droplet jetting device and ink-jet printing device |
| CN206374369U (en) * | 2016-10-23 | 2017-08-04 | 北京奥润联创微电子科技开发有限公司 | Liquid droplet ejection apparatus and inkjet-printing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209617A (en) * | 2006-12-28 | 2008-07-02 | 东芝泰格有限公司 | Ink-jet head |
| US20080238980A1 (en) * | 2007-03-30 | 2008-10-02 | Kanji Nagashima | Liquid circulation apparatus, image forming apparatus and liquid circulation method |
| US20120098887A1 (en) * | 2010-10-26 | 2012-04-26 | Yonglin Xie | Liquid dispenser including sloped outlet opening wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2018154067A (en) * | 2017-03-21 | 2018-10-04 | 株式会社リコー | Liquid discharge head, liquid discharge unit, and device for discharging liquid |
| JP7064160B2 (en) | 2017-03-21 | 2022-05-10 | 株式会社リコー | Liquid discharge head, liquid discharge unit, liquid discharge device |
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Application publication date: 20170201 |