CN205890219U - A ink supply system for ink jet printer - Google Patents
A ink supply system for ink jet printer Download PDFInfo
- Publication number
- CN205890219U CN205890219U CN201620699156.8U CN201620699156U CN205890219U CN 205890219 U CN205890219 U CN 205890219U CN 201620699156 U CN201620699156 U CN 201620699156U CN 205890219 U CN205890219 U CN 205890219U
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- ink
- bucket
- recirculation
- pump
- pressure
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Abstract
The utility model discloses an ink supply system for ink jet printer for provide stable ink supply for the shower nozzle, including ink circulation subassembly and jia mo subassembly, ink circulation subassembly includes circulation china ink bucket, main circulating pump, backwash pump and keeps having the pressure side and the vacuum side of certain pressure differential, the shower nozzle is connected between this pressure side and vacuum side, adding black subassembly and being connected with this circulation china ink bucket and being used for for this circulation china ink barrel interior interpolation ink, this main circulating pump setting is in extract to the pressure side in with the ink in the china ink bucket that will circulate between circulation china ink bucket and the pressure side, this backwash pump setting is in draw back the ink in this vacuum side to black barrel of this circulation in in order being used for between circulation china ink bucket and the vacuum side, the inside of pressure side through a return flow line with upper portion space in the circulation china ink bucket is linked together, and this return flow line is used for supplying the inside ink in pressure side flow back naturally to black barrel of this circulation in to make the inside ink in pressure side keep a stable liquid level.
Description
Technical field
This utility model is related 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 complex structure, is mostly all accompanied by stability
Difference, the pulsation poor anti jamming capability to pump, fluctuation after recovery time length, easily cause shower nozzle bracing wire, deal with great Mo amount print when
The shortcomings of lack ink.For requiring high manufacturing enterprise simultaneously for production stability, the unstable of ink feeding system also represents
Production efficiency unstable.In order to improve the stability of ink feeding system, thus lifting the efficiency of long-term production, ink feeding system is made to go
Except the pulsations affect from pump, the utility model proposes new ink feeding system.
Utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides and a kind of can eliminate pump
The high ink feeding system for ink-jet printer of pulsations affect, ink supply stability.
In order to solve above-mentioned technical problem, the technical scheme that this utility model provides is as follows:
The ink feeding system for ink-jet printer that this utility model is related to, for providing stable ink to supply to shower nozzle
Should, include ink circulation assembly and add ink assembly, described ink circulation assembly include recirculation ink bucket, main circulation pump, reflux pump with
And maintain pressure side and the vacuum side of certain pressure difference, described shower nozzle is connected between this pressure side and vacuum side, described plus
Ink assembly and this recirculation ink bucket are connected to adding ink in this recirculation ink bucket, and this main circulation pump is arranged on described recirculation ink bucket
To extract the ink in recirculation ink bucket to pressure side and pressure side between, this reflux pump be arranged on described recirculation ink bucket with true
For drawing back the ink in this vacuum side to this recirculation ink bucket between short side；The inside of described pressure side is passed through one and is flowed back
Passage is connected with the upper space in described recirculation ink bucket, and this return flow line is used for the ink natural back flow internal for pressure side
To this recirculation ink bucket, so that the internal ink in pressure side keeps a stable liquid level.
Further, described plus ink assembly includes plus black bucket and be connected to the confession pump that this adds between black bucket and recirculation ink bucket,
This supplies pump to extract the ink adding in black bucket and supply to this recirculation ink bucket for quantitative.
Further, it is additionally provided with the ink supply filter for filtering ink between described confession pump and recirculation ink bucket.
Further, it is provided with the liquid level electric eye with the linkage of described confession pump in described recirculation ink bucket, to follow for controlling
Liquid level in ring ink bucket.
Further, it is additionally provided with main filter between described main circulation pump and pressure side.
Further, described ink feeding system also includes an air cavity pressure control connecting with the upper space in described recirculation ink bucket
Assembly processed, this air 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 used for controlling the break-make between this vacuum pump and recirculation ink bucket, and this two-position five-way valve is used for switching vacuum pump
Airflow direction in pipeline.
Further, the upper space in described recirculation ink bucket is also communicated with one for detecting the negative of pressure in recirculation ink bucket
Pressure detection means, this negative-pressure detection device is connected with described air cavity pressure control assembly.
Further, the bottom in described recirculation ink bucket has an inclined-plane, and the bottom on this inclined-plane offers ink entrance, this ink feed
Mouth is used for connecting described main circulation pump.
Further, described recirculation ink barrel side face is provided with reflux pump connector and adds ink assembly connector, in recirculation ink
Bucket be internally provided with one with this reflux pump connector and add the froth breaking diversion cavity that is connected of ink assembly connector, this froth breaking diversion cavity use
In the bubble eliminating the ink entrained with entering.
Further, described froth breaking diversion cavity includes the gear of arc deflector positioned at bottom and superposed triangle
Plate, offers the breach of ink supply water outflow between this arc deflector and baffle plate, the ink that this breach is located in recirculation ink bucket
Liquid level under.
Compared to existing technology, the beneficial effects of the utility model major embodiment is in the following areas: involved by this utility model
Ink feeding system in pressure side and recirculation ink bucket between connected by return flow line, using the teaching of the invention it is possible to provide very big gas buffer region
Domain, greatly increases the stability of vacuum within ink feeding system and negative pressure, eliminates the pulsations affect of pump, in pressure side
Ink level can keep a stable height, so that the pressure differential between pressure side and vacuum side keeps stable, thus surely
Surely to shower nozzle ink supply.The addition of air cavity control assembly simultaneously can remove original pressurized gas interface, and whole machine removes high pressure
Gas accesses and processing component, simplifies the structure of ink feeding system, also maintains stablizing of recirculation ink bucket internal gas pressure simultaneously.
Brief description
Fig. 1 is the structural representation of involved ink feeding system in embodiment.
Fig. 2 is the structural representation of involved recirculation ink bucket in embodiment.
Specific embodiment
Just with specific embodiment, the ink feeding system involved by this utility model is further elaborated below:
The ink needing certain flow during ink jet printing head normal work flows through inside shower nozzle, and flow can be by shower nozzle
Embodying, the inlet pressure of ink is higher than outlet pressure to the pressure imported and exported, and forms certain pressure reduction, but its inlet pressure is again
Certain scope is had to limit, during higher than certain value, shower nozzle can suck air at nozzle；During less than certain value, ink can be from spray
Automatically flow out at mouth, either way influence whether the normal work of shower nozzle.The effect of therefore ink feeding system is to ensure that shower nozzle
While inlet and outlet pressure is stablized, enough ink are provided to measure for inkjet printing, except solving the above problems, of the present utility model
Ink feeding system also has cleaning impurity, eliminates bubble, adds the functions such as pressure ink.
Referring to shown in Fig. 1 and Fig. 2, ink feeding system that the present embodiment provides mainly includes three parts: plus ink assembly, ink
Recirculation assembly, air cavity pressure control assembly.
Plus ink assembly mainly by plus black bucket 21, form for pump 22 and ink supply filter 23, ink from plus black bucket 21 plus
Black mouth enters into plus black bucket 21, then is extracted out by for pump 22, and toward next one assembly ink supply, the rear for pump 22 is connected to ink supply
Filter 23, for filtering ink；It is used for quantitative extraction for pump 22 to add the ink in black bucket 21 and supply 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, main filter 80
Form with reflux pump 40, there is between vacuum side 60, pressure side 50 certain pressure differential, shower nozzle 70 is disposed there between.Ink
Water from plus ink assembly enter into the inside that ink circulation assembly is to recirculation ink bucket 10 first, the liquid level within recirculation ink bucket 10
Electric eye 101 controls liquid level, and liquid level electric eye 101 is arranged on liquidometer 102, this liquid level electric eye 101 be with for pump 22
Dynamic, it is the ink supply speed controlling for pump 22.Preferably, the bottom in described recirculation ink bucket 10 has an inclined-plane 104,
Can effectively prevent the deposit in ink from accumulating, the bottom on this inclined-plane 104 offers ink entrance 103, this ink entrance 103 is used
In the described main circulation pump 30 of connection.Main circulation pump 30, from recirculation ink bucket 10 bottom pumping ink water, enters into pressure through main filter 80
Inside power side 50, between pressure side 50 and recirculation ink bucket 10, there is bigbore return flow line 90, when pressure side 50 inside liquid level is high
When certain altitude, ink will natural back flow to inside recirculation ink bucket 10, formed ink main circulation loop, due to main circulation pump
30 flows are more than the maximum consumption speed of all shower nozzles 70, and the liquid level within pressure side 50 can keep constant, and circulates
Liquid level within black bucket 10 under liquid level electric eye 101 is acted on the linkage for pump 22, has by a small margin during printing
Fluctuation.
Reflux pump 40 connects between vacuum side 60 and recirculation ink bucket 10, and the ink within vacuum side 60 (is mingled with sometimes
Air) draw back inside recirculation ink bucket 10, in the presence of reflux pump 40, vacuum side 60 internal cavities can keep certain vacuum
Degree.In the case of normal print, because vacuum side 60 pressure is less than pressure side 50 pressure, most of ink is from pressure side 50 through spray
70 are flowed into inside vacuum side 60, and fraction sprays from the nozzle of shower nozzle 70.From pressure side 50 through shower nozzle 70 to vacuum side
60, the loop returning recirculation ink bucket 10 is referred to as partial circulating loop.
Shown in Figure 2, described recirculation ink bucket 10 side is provided with reflux pump connector 106 and plus ink assembly connector
107, recirculation ink bucket 10 be internally provided with one with this reflux pump connector 106 and plus the froth breaking that is connected of ink assembly connector 107
Diversion cavity 105, this froth breaking diversion cavity 105 is used for eliminating the bubble of the ink entrained with entering.Due to passing through for pump 22 and returning
Ink impulse force after stream pump 40 is big and is accompanied by bubble, and the stability influence for recirculation ink bucket 10 internal ink is very big, ink
Bubble in water also can affect the printing effect of shower nozzle 70, and froth breaking diversion cavity 105 solves this problem well.
Preferably, froth breaking diversion cavity 105 bottom is arc deflector 1051, and top is the baffle plate of triangle
1052, jagged (not shown) is set between baffle plate 1052 and arc deflector 1051.Arc deflector 1051 energy of bottom
So that the ink come in from pump and bubble is flowed up, and reduce fluid impulse force；The baffle plate 1052 of the triangle on top can be right
The ink that natural back flow mouth 108 (natural back flow mouth 108 connects above-mentioned return flow line 90) flows out carries out water conservancy diversion, blocks ink simultaneously
The path rushing upwards；Enter the ink within froth breaking diversion cavity 105 to flow out from the breach of diversion cavity, the degree of this breach slightly less than sets
The position height put, ink and bubble flow into the top liquid level of recirculation ink bucket 10 from froth breaking diversion cavity 105, and bubble floats over liquid level naturally
And automatically rupture, liquid internal will not be entered into, thus effective stable circulation ink bucket 10 internal liquid eliminate bubble.
Ink feeding system in the present embodiment also includes an air cavity pressure connecting with the upper space in described recirculation ink bucket 10
Power control assembly, air cavity pressure control assembly is mainly made up of vacuum pump 200, two-position five-way valve 202 and two position two-way valve 201.
In normal operation, two position two-way valve 201 is in connected state, vacuum pump 200 can inject into recirculation ink bucket 10 gas or
Person's gas bleeding, to ensure internal system stable gas pressure.When ink feeding system power-off, above-mentioned valve 201,202 is in disconnection shape
State, to ensure that recirculation ink bucket 10 inside cavity pressure will not run off too fast, reduces the loss of ink when shutting down.Vacuum pump 200
Can only unidirectional drive gas, two-position five-way valve 202 control switching vacuum pump 200 pipeline in airflow direction, be capable of extract
With injection two functions of gas.When ink feeding system is in normal circulation state, pressure side 50 and recirculation ink bucket 10 upper cavity
It is connected, need 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 electronegative potential shape
State, vacuum pump 200 extracts gas from recirculation ink bucket 10 top and forms negative pressure；When needing shower nozzle 70 to be carried out drip ink cleaning, pressure
Need inside power side 50 to add suitable malleation, to extrude shower nozzle 70 internal ink, now two-position five-way valve 202 is in high potential shape
State, vacuum pump 200 extracts gas from air and is injected in the air cavity of recirculation ink bucket 10, forms malleation.
As the preferred version in the present embodiment, the upper space in described recirculation ink bucket 10 is also communicated with one and is used for examining
Survey the negative-pressure detection device 300 of recirculation ink bucket 10 internal gas pressure, likewise, being also equipped with vacuum checking device in vacuum side 60,
With the air pressure in real-time monitoring vacuum side 60.This negative-pressure detection device 300 is by a detection of negative pressure cushion chamber 109 come communication loop
Inside black bucket 10, the impact to detection for the gas disturbance is reduced with this.This negative-pressure detection device 300 and described air cavity Stress control
Assembly is connected, and vacuum pump 200 to determine to inject gas according to the air pressure numerical value that negative-pressure detection device 300 is detected or to take out
Take gas.
Above example is only this specification for ease of understanding some embodiments cited by utility model content, not
Any restriction that the technical solution of the utility model is carried out, also not all can embodiment exhaustion, therefore every to this practicality
Any slight improvements or equivalent substitution that new structure, flow process or step are made, should be included within its protection domain.
Claims (10)
1. a kind of ink feeding system for ink-jet printer, for providing stable ink feed to shower nozzle, including ink circulation
Assembly and plus ink assembly it is characterised in that: described ink circulation assembly includes recirculation ink bucket, main circulation pump, reflux pump and guarantor
Hold pressure side and the vacuum side of certain pressure difference, described shower nozzle is connected between this pressure side and vacuum side, described plus black group
Part and this recirculation ink bucket are connected to adding ink in this recirculation ink bucket, and this main circulation pump is arranged on described recirculation ink bucket and pressure
To extract the ink in recirculation ink bucket to pressure side between power side, this reflux pump is arranged on described recirculation ink bucket and vacuum side
Between for the ink in this vacuum side is drawn back to this recirculation ink bucket；A return flow line is passed through in the inside of described pressure side
It is connected with the upper space in described recirculation ink bucket, this return flow line is used for extremely should for the internal ink natural back flow in pressure side
In recirculation ink bucket, so that the internal ink in pressure side keeps a stable liquid level.
2. the ink feeding system for ink-jet printer according to claim 1 it is characterised in that: described plus ink assembly includes
Plus black bucket and be connected to the confession pump that this adds between black bucket and recirculation ink bucket, this supply pump be used for quantitative extract plus black bucket in ink
Water is simultaneously supplied to this recirculation ink bucket.
3. the ink feeding system for ink-jet printer according to claim 2 it is characterised in that: described confession pump with follow
It is additionally provided with the ink supply filter for filtering ink between ring ink bucket.
4. the ink feeding system for ink-jet printer according to claim 2 it is characterised in that: in described recirculation ink bucket
It is provided with the liquid level electric eye with the linkage of described confession pump, with for controlling the liquid level in recirculation ink bucket.
5. the ink feeding system for ink-jet printer according to claim 1 it is characterised in that: described main circulation pump with
It is additionally provided with main filter between pressure side.
6. the ink feeding system for ink-jet printer according to claim 1 it is characterised in that: described ink feeding system also wraps
Include an air cavity pressure control assembly connecting with the upper space in described recirculation ink bucket, this air cavity pressure control assembly includes 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 be used for controlling this vacuum pump with
Break-make between recirculation ink bucket, this two-position five-way valve is used for switching the airflow direction in the pipeline of vacuum pump.
7. the ink feeding system for ink-jet printer according to claim 6 it is characterised in that: in described recirculation ink bucket
Upper space be also communicated with one for detecting the negative-pressure detection device of pressure in recirculation ink bucket, this negative-pressure detection device with described
Air cavity pressure control assembly is connected.
8. the ink feeding system for ink-jet printer according to claim 1 it is characterised in that: in described recirculation ink bucket
Bottom 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.
9. the ink feeding system for ink-jet printer according to claim 1 it is characterised in that: in described recirculation ink barrel side
Face be provided with reflux pump connector and plus ink assembly connector, recirculation ink bucket be internally provided with one with this reflux pump connector and
Plus the froth breaking diversion cavity that ink assembly connector connects, this froth breaking diversion cavity is for eliminating the bubble of the ink entrained with entering.
10. the ink feeding system for ink-jet printer according to claim 9 it is characterised in that: described froth breaking diversion cavity
Including the baffle plate of the arc deflector positioned at bottom and superposed triangle, open up between this arc deflector and baffle plate
There is the breach that ink supply water flows out, under the liquid level of ink that this breach is located in recirculation ink bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699156.8U CN205890219U (en) | 2016-07-05 | 2016-07-05 | A ink supply system for ink jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620699156.8U CN205890219U (en) | 2016-07-05 | 2016-07-05 | A ink supply system for ink jet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205890219U true CN205890219U (en) | 2017-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620699156.8U Withdrawn - After Issue CN205890219U (en) | 2016-07-05 | 2016-07-05 | A ink supply system for ink jet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205890219U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004070A (en) * | 2016-07-05 | 2016-10-12 | 佛山市南海区希望陶瓷机械设备有限公司 | Ink supply system used for ink-jet printer |
| EP3501835A1 (en) * | 2017-12-20 | 2019-06-26 | OCE Holding B.V. | Ink reservoir for supplying ink to a print head of an inkjet printer |
-
2016
- 2016-07-05 CN CN201620699156.8U patent/CN205890219U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106004070A (en) * | 2016-07-05 | 2016-10-12 | 佛山市南海区希望陶瓷机械设备有限公司 | Ink supply system used for ink-jet printer |
| CN106004070B (en) * | 2016-07-05 | 2018-04-10 | 佛山市南海区希望陶瓷机械设备有限公司 | Ink feeding system for ink-jet printer |
| EP3501835A1 (en) * | 2017-12-20 | 2019-06-26 | OCE Holding B.V. | Ink reservoir for supplying ink to a print head of an inkjet printer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170118 Effective date of abandoning: 20180410 |