CN106004070A - Ink supply system used for ink-jet printer - Google Patents
Ink supply system used for ink-jet printer Download PDFInfo
- Publication number
- CN106004070A CN106004070A CN201610522019.1A CN201610522019A CN106004070A CN 106004070 A CN106004070 A CN 106004070A CN 201610522019 A CN201610522019 A CN 201610522019A CN 106004070 A CN106004070 A CN 106004070A
- Authority
- CN
- China
- Prior art keywords
- ink
- bucket
- recirculation
- pump
- pressure
- 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.)
- Granted
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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
-
- 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
Abstract
The invention discloses an ink supply system used for an ink-jet printer. The ink supply system is used for providing stable ink supply for a spray nozzle and comprises an ink circulation assembly and an ink adding assembly. The ink circulation assembly comprises a circulation ink barrel, a main circulation pump, a backflow pump, a pressure party and a vacuum party, wherein a certain pressure difference is kept between the pressure party and the vacuum party. The spray nozzle is connected between the pressure party and the vacuum party. The ink adding assembly is connected with the circulation ink barrel and used for adding ink in the circulation ink barrel. The main circulation pump is arranged between the circulation ink barrel and the pressure party so that ink in the circulation ink barrel can be extracted into the pressure party. The backflow pump is arranged between the circulation ink barrel and the vacuum party and used for drawing the ink in the vacuum party into the circulation ink barrel. The interior of the pressure party communicates with the upper space inside the circulation ink barrel through a backflow channel. The backflow channel is used for the ink in the pressure party to naturally flow back into the circulation ink barrel so that the ink inside the pressure party can be kept at a stable liquid level.
Description
Technical field
The present invention relates to a kind of ink feeding system for ink-jet printer.
Background technology
The buffering cavity of the ink feeding system of existing ink-jet printer is little and structure complicated, is the most all attended by
Poor stability, to after the pulsation poor anti jamming capability of pump, fluctuation recovery time length, easily cause shower nozzle bracing wire,
Deal with when great Mo amount prints and lack the shortcomings such as ink.For requiring high manufacturing enterprise simultaneously for production stability,
The instability of ink feeding system also represents the instability of production efficiency.In order to improve the stability of ink feeding system,
Thus promote the efficiency of long-term production, and make ink feeding system remove the pulsations affect from pump, the present invention proposes newly
Ink feeding system.
Summary of the invention
The technical problem to be solved is to overcome the deficiencies in the prior art, it is provided that one can eliminate pump
Pulsations affect, the ink feeding system for ink-jet printer that ink supply stability is high.
In order to solve above-mentioned technical problem, the technical scheme that the present invention provides is as follows:
The ink feeding system for ink-jet printer that the present invention relates to, for providing stable ink to supply to shower nozzle
Should, including ink circulation assembly and add ink assembly, described ink circulation assembly includes recirculation ink bucket, major cycle
Pump, reflux pump and maintain certain pressure difference pressure side and vacuum side, described shower nozzle is connected to this pressure
Between side and vacuum side, described in add ink assembly and this recirculation ink bucket and be connected to adding ink in this recirculation ink bucket
Water, this main circulation pump is arranged between described recirculation ink bucket and pressure side to extract the ink in recirculation ink bucket
To pressure side, this reflux pump is arranged between described recirculation ink bucket and vacuum side for by this vacuum side
Ink draw back to this recirculation ink bucket；The inside of described pressure side is by a return flow line and described recirculation ink
Upper space in Tong is connected, and this return flow line is followed to this for the ink natural back flow internal for pressure side
In ring ink bucket, so that the ink of inside, pressure side keeps a stable liquid level.
Further, add ink assembly described in include adding ink bucket and being connected to this adding the confession between ink bucket and recirculation ink bucket
Pump, this confession pump adds the ink in ink bucket for quantitatively extraction and supplies to this recirculation ink bucket.
Further, described for being additionally provided with the ink supply filtration for filtering ink between pump and recirculation ink bucket
Device.
Further, it is provided with in described recirculation ink bucket and the described liquid level electric eye for pump linkage, to be used for
Control the liquid level in recirculation ink bucket.
Further, between described main circulation pump and pressure side, main filter it is additionally provided with.
Further, described ink feeding system also includes an air cavity connected with the upper space in described recirculation ink bucket
Pressure control assembly, this air cavity pressure control assembly include one can the vacuum pump of unidirectional drive gas, two two
Logical valve and two-position five-way valve, this two position two-way valve is used for the break-make controlling between this vacuum pump and recirculation ink bucket,
This two-position five-way valve airflow direction in the pipeline switching vacuum pump.
Further, to be also communicated with one intrinsic pressure for detecting recirculation ink bucket for the upper space in described recirculation ink bucket
Strong negative-pressure detection device, this negative-pressure detection device is connected with described air cavity pressure control assembly.
Further, having an inclined-plane in the bottom of described recirculation ink bucket, the bottom on this inclined-plane offers ink entrance,
This ink entrance is used for connecting described main circulation pump.
Further, it is provided with reflux pump connector in described recirculation ink bucket side and adds ink assembly connector,
Recirculation ink bucket be internally provided with one with this reflux pump connector and add the froth breaking water conservancy diversion that ink assembly connector is connected
Chamber, this froth breaking diversion cavity is for eliminating the bubble of the ink entrained with of entrance.
Further, described froth breaking diversion cavity includes being positioned at bottom arc deflector and superposed triangle
Baffle plate, offer between this arc deflector and baffle plate ink supply water flow out breach, this breach is positioned at and follows
Under the liquid level of the ink in ring ink bucket.
Compared to existing technology, the beneficial effects are mainly as follows following aspect: involved by this invention
Pressure side in ink feeding system is connected by return flow line with between recirculation ink bucket, using the teaching of the invention it is possible to provide the biggest gas
Volume buffer territory, greatly increases the stability of the vacuum within ink feeding system and negative pressure, eliminates pump
Pulsations affect, the ink level in pressure side can keep a stable height, so that pressure side and vacuum
Pressure differential between side keeps stable, thus stably to shower nozzle ink supply.Air cavity controls the addition of assembly simultaneously
Can remove original pressurized gas interface, complete machine removes high pressure gas and accesses and processing component, simplifies ink supply
The structure of system, also maintains stablizing of recirculation ink bucket internal gas pressure simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of ink feeding system involved in embodiment.
Fig. 2 is the structural representation of recirculation ink bucket involved in embodiment.
Detailed description of the invention
The most just with specific embodiment, ink feeding system involved in the present invention is further elaborated:
The ink needing certain flow when ink jet printing head normally works flows through inside shower nozzle, and flow is permissible
The pressure imported and exported by shower nozzle embodies, and the inlet pressure of ink is higher than outlet pressure, forms certain pressure
Difference, but its inlet pressure has again certain scope to limit, and during higher than certain value, shower nozzle can suck at nozzle
Air；During less than certain value, ink can flow out at nozzle automatically, either way influences whether shower nozzle
Normal work.Therefore while the effect of ink feeding system is to ensure that the inlet and outlet pressure of shower nozzle is stablized, it is provided that foot
Enough ink amounts are for inkjet printing, and except solving the problems referred to above, it is miscellaneous that the ink feeding system of the present invention also has cleaning
The functions such as matter, elimination bubble, addition pressure ink.
Seeing shown in Fig. 1 and Fig. 2, the ink feeding system that the present embodiment provides mainly includes three parts: add ink group
Part, ink circulation assembly, air cavity pressure control assembly.
Adding ink assembly mainly by adding ink bucket 21, forming for pump 22 and ink supply filter 23, ink is from adding ink bucket
The ink mouth that adds of 21 enters into and adds ink bucket 21, then by extracting out for pump 22, toward next assembly ink supply, for pump
The rear of 22 is connected to ink supply filter 23, is used for filtering ink；Ink bucket 21 is added for quantitatively extraction for pump 22
Interior ink is also supplied to recirculation ink bucket 10.
Ink circulation assembly is mainly by recirculation ink bucket 10, vacuum side 60, pressure side 50, main circulation pump 30, master
Filter 80 and reflux pump 40 form, and have certain pressure differential, shower nozzle between vacuum side 60, pressure side 50
70 are disposed there between.First ink is to recirculation ink bucket 10 from add ink assembly entering into ink circulation assembly
Inside, the liquid level electric eye 101 within recirculation ink bucket 10 control liquid level, liquid level electric eye 101 is arranged on
On liquidometer 102, this liquid level electric eye 101 is to link with for pump 22, is to control the ink supply speed for pump 22.
Preferably, the bottom at described recirculation ink bucket 10 has an inclined-plane 104, it is possible to effectively prevent in ink
Deposit accumulation, the bottom on this inclined-plane 104 offers ink entrance 103, and this ink entrance 103 is used for connecting institute
State main circulation pump 30.Main circulation pump 30 is pumping ink water bottom recirculation ink bucket 10, enters into through main filter 80
Pressure side 50 is internal, has bigbore return flow line 90, when pressure side between pressure side 50 and recirculation ink bucket 10
When 50 inside liquid levels are higher than certain altitude, ink will natural back flow internal to recirculation ink bucket 10, formation ink
Main circulation loop, owing to main circulation pump 30 flow is more than the maximum consumption speed of all shower nozzles 70, pressure side 50
Internal liquid level can keep constant, and the liquid level within recirculation ink bucket 10 during printing at liquid
Position electric eye 101, with under the linkage effect for pump 22, has fluctuation within a narrow range.
Reflux pump 40 connects between vacuum side 60 and recirculation ink bucket 10, the ink within vacuum side 60 (sometimes
Meeting air entrainment) draw back recirculation ink bucket 10 inside, under the effect of reflux pump 40, vacuum side 60 internal cavities
Certain vacuum can be kept.In the case of normal print, owing to vacuum side 60 pressure is pressed less than pressure side 50
Power, 50 to be flowed into vacuum side 60 through shower nozzle 70 internal from pressure side for major part ink, and fraction is from shower nozzle 70
Nozzle ejection.From pressure side 50 through shower nozzle 70 to vacuum side 60, the loop returning recirculation ink bucket 10 claims
For partial circulating loop.
Shown in Figure 2, it is provided with reflux pump connector 106 in described recirculation ink bucket 10 side and adds ink assembly
Connector 107, recirculation ink bucket 10 be internally provided with one with this reflux pump connector 106 and add ink assembly and be connected
The froth breaking diversion cavity 105 that mouth 107 connects, this froth breaking diversion cavity 105 is for eliminating the gas of the ink entrained with of entrance
Bubble.Due to through greatly and being attended by bubble for the ink impulse force after pump 22 and reflux pump 40, for circulation
The stability influence of ink bucket 10 internal ink is very big, and the bubble in ink also can affect the printing effect of shower nozzle 70,
Froth breaking diversion cavity 105 well solves this problem.
Preferably, froth breaking diversion cavity 105 bottom is arc deflector 1051, and top is the gear of triangle
Plate 1052, is provided with breach (not shown) between baffle plate 1052 and arc deflector 1051.The arc of bottom
Deflector 1051 can make ink and the bubble come in from pump flow up, and reduces fluid impulse force；Top
The baffle plate 1052 of triangle can be to natural back flow mouth 108 (natural back flow mouth 108 connects above-mentioned return flow line 90)
The ink flowed out carries out water conservancy diversion, blocks the ink path to upper punch simultaneously；Enter within froth breaking diversion cavity 105
Ink flows out from the breach of diversion cavity, and the degree of this breach is slightly less than the position height arranged, and ink and bubble are from disappearing
Bubble diversion cavity 105 flows into the top liquid level of recirculation ink bucket 10, and bubble naturally floats over liquid level and automatically ruptures, will not
Enter into liquid internal, thus effectively stable circulation ink bucket 10 internal liquid eliminate bubble.
Ink feeding system in the present embodiment also includes the gas connected with the upper space in described recirculation ink bucket 10
Cavity pressure controls assembly, and air cavity pressure control assembly is mainly by vacuum pump 200, two-position five-way valve 202 and two
Two-port valve 201 forms.When normal operation, two position two-way valve 201 is in connected state, vacuum pump 200
Gas or gas bleeding can be injected, to ensure internal system stable gas pressure in recirculation ink bucket 10.Work as confession
During ink system power-off, above-mentioned valve 201,202 is off, in ensureing recirculation ink bucket 10 cavity
Portion's pressure will not run off the fastest, reduces the loss of ink when shutting down.Vacuum pump 200 can only unidirectional drive gas
Body, two-position five-way valve 202 control switching vacuum pump 200 pipeline in airflow direction, it is possible to realize extraction and
Inject two functions of gas.When ink feeding system is in normal circulation state, pressure side 50 and recirculation ink bucket 10
Upper cavity is connected, and needs to add certain negative pressure to keep the nozzle of shower nozzle 70 not drip ink, now two-position five-way
Valve 202 is in low-potential state, and vacuum pump 200 forms negative pressure from recirculation ink bucket 10 top extraction gas；When
When needing to carry out dripping ink cleaning to shower nozzle 70, pressure side 50 is internal to be needed to add suitable malleation, extrudes spray
70 internal inks, now two-position five-way valve 202 is in high potential state, and vacuum pump 200 is taken out from air
Take in the air cavity that gas is injected into recirculation ink bucket 10, form malleation.
As the preferred version in the present embodiment, the upper space in described recirculation ink bucket 10 is also communicated with one
For detecting the negative-pressure detection device 300 of recirculation ink bucket 10 internal gas pressure, same, also set in vacuum side 60
It is equipped with vacuum checking device, with the air pressure in the vacuum side 60 of monitoring in real time.This negative-pressure detection device 300 passes through
It is internal that one detection of negative pressure cushion chamber 109 carrys out communication loop ink bucket 10, reduces gas disturbance to detection with this
Impact.This negative-pressure detection device 300 is connected with described air cavity pressure control assembly, vacuum pump 200 foundation
The air pressure numerical value that negative-pressure detection device 300 is detected determines to inject gas or extraction gas.
Above example is only this specification for ease of understanding the some embodiments cited by summary of the invention, and
Non-any restriction that technical scheme is carried out, also not all can embodiment exhaustive, therefore every
Any slight improvements being made structure, flow process or the step of the present invention or equivalent substitution, should be included in
Within its protection domain.
Claims (10)
1. for an ink feeding system for ink-jet printer, for the ink feed stable to shower nozzle offer, including ink
Water circulation component and add ink assembly, it is characterised in that: described ink circulation assembly includes recirculation ink bucket, master
Circulating pump, reflux pump and maintain certain pressure difference pressure side and vacuum side, described shower nozzle is connected to
Between this pressure side and vacuum side, described in add ink assembly and this recirculation ink bucket and be connected to this recirculation ink bucket
Interior interpolation ink, this main circulation pump is arranged between described recirculation ink bucket and pressure side with by recirculation ink bucket
Ink extraction in pressure side, this reflux pump be arranged between described recirculation ink bucket and vacuum side for
Ink in this vacuum side is drawn back to this recirculation ink bucket；The inside of described pressure side is logical by a backflow
Road is connected with the upper space in described recirculation ink bucket, and this return flow line is for the ink internal for pressure side
Water natural back flow is in this recirculation ink bucket, so that the internal ink in pressure side keeps a stable liquid level.
Ink feeding system for ink-jet printer the most according to claim 1, it is characterised in that add ink described in:
Assembly includes adding ink bucket and being connected to this confession pump adding between ink bucket and recirculation ink bucket, and this confession pump is used for
Quantitatively extract the ink added in ink bucket and supply to this recirculation ink bucket.
Ink feeding system for ink-jet printer the most according to claim 2, it is characterised in that: in described confession
The ink supply filter for filtering ink it is additionally provided with between pump and recirculation ink bucket.
Ink feeding system for ink-jet printer the most according to claim 2, it is characterised in that: follow described
It is provided with in ring ink bucket and the described liquid level electric eye for pump linkage, to be used for the liquid controlling in recirculation ink bucket
Face height.
Ink feeding system for ink-jet printer the most according to claim 1, it is characterised in that: described master
Main filter it is additionally provided with between circulating pump and pressure side.
Ink feeding system for ink-jet printer the most according to claim 1, it is characterised in that: described ink supply
System also includes an air cavity pressure control assembly connected with the upper space in described recirculation ink bucket, this gas
Cavity pressure control assembly include one can the vacuum pump of unidirectional drive gas, two position two-way valve and two-position five-way valve,
This two position two-way valve is for controlling the break-make between this vacuum pump and recirculation ink bucket, and this two-position five-way valve is used for
Airflow direction in the pipeline of switching vacuum pump.
Ink feeding system for ink-jet printer the most according to claim 6, it is characterised in that: follow described
Upper space in ring ink bucket be also communicated with one in detecting recirculation ink bucket the negative-pressure detection device of pressure,
This negative-pressure detection device is connected with described air cavity pressure control assembly.
Ink feeding system for ink-jet printer the most according to claim 1, it is characterised in that: follow described
The bottom of ring ink bucket has an inclined-plane, and the bottom on this inclined-plane offers ink entrance, and this ink entrance is used for connecting
Described main circulation pump.
Ink feeding system for ink-jet printer the most according to claim 1, it is characterised in that: follow described
Ring ink bucket side is provided with reflux pump connector and adds ink assembly connector, is internally provided with at recirculation ink bucket
One uses with this reflux pump connector and add the froth breaking diversion cavity that ink assembly connector is connected, this froth breaking diversion cavity
In the bubble eliminating the ink entrained with entered.
Ink feeding system for ink-jet printer the most according to claim 9, it is characterised in that: described froth breaking
Diversion cavity includes arc deflector and the baffle plate of superposed triangle being positioned at bottom, leads at this arc
Offering the breach that ink supply water flows out between stream plate and baffle plate, this breach is positioned at the ink of recirculation ink bucket
Under liquid level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610522019.1A CN106004070B (en) | 2016-07-05 | 2016-07-05 | Ink feeding system for ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610522019.1A CN106004070B (en) | 2016-07-05 | 2016-07-05 | Ink feeding system for ink-jet printer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106004070A true CN106004070A (en) | 2016-10-12 |
| CN106004070B CN106004070B (en) | 2018-04-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610522019.1A Active CN106004070B (en) | 2016-07-05 | 2016-07-05 | Ink feeding system for ink-jet printer |
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| CN (1) | CN106004070B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106515223A (en) * | 2016-12-21 | 2017-03-22 | 深圳弘锐精密数码喷印设备有限公司 | Ink recycling device and printer |
| CN106626798A (en) * | 2017-02-27 | 2017-05-10 | 上海华炙电子设备有限公司 | Ink-jet printing machine ink box air pressure balancing device and method |
| CN109466181A (en) * | 2018-12-27 | 2019-03-15 | 北海绩迅电子科技有限公司 | A kind of the refilling control method and system of print cartridge |
| JP2019171750A (en) * | 2018-03-29 | 2019-10-10 | ブラザー工業株式会社 | Liquid discharge head |
| CN110978799A (en) * | 2019-12-23 | 2020-04-10 | 南通东川数码科技有限公司 | Be applied to stable two negative pressure circulation systems of beating of printer head of digital printing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106626798A (en) * | 2017-02-27 | 2017-05-10 | 上海华炙电子设备有限公司 | Ink-jet printing machine ink box air pressure balancing device and method |
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| CN109466181A (en) * | 2018-12-27 | 2019-03-15 | 北海绩迅电子科技有限公司 | A kind of the refilling control method and system of print cartridge |
| CN109466181B (en) * | 2018-12-27 | 2023-08-22 | 北海绩迅科技股份有限公司 | Ink injection control method and system for ink box |
| CN110978799A (en) * | 2019-12-23 | 2020-04-10 | 南通东川数码科技有限公司 | Be applied to stable two negative pressure circulation systems of beating of printer head of digital printing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106004070B (en) | 2018-04-10 |
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Address after: 528000 Shishan science and Technology Industrial Park, Nanhai District, Foshan, Guangdong Patentee after: Foshan hope digital printing equipment Co., Ltd. Address before: 528000 Shishan science and Technology Industrial Park, Nanhai District, Foshan, Guangdong Patentee before: HOPE CERAMICS MACHINERY CO., LTD. |
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Effective date of registration: 20191122 Address after: 528225 No.40, Keji Avenue East, zone a, Shishan Science and Technology Industrial Park, Nanhai District, Foshan City, Guangdong Province Patentee after: Hopetech Digital Co., Ltd. Address before: 528000 Shishan science and Technology Industrial Zone, Nanhai District, Guangdong, Foshan Patentee before: Foshan hope digital printing equipment Co., Ltd. |