CN106553454A - Cyclic ink supply system - Google Patents
Cyclic ink supply system Download PDFInfo
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- CN106553454A CN106553454A CN201510618305.3A CN201510618305A CN106553454A CN 106553454 A CN106553454 A CN 106553454A CN 201510618305 A CN201510618305 A CN 201510618305A CN 106553454 A CN106553454 A CN 106553454A
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Abstract
The present invention provides a kind of cyclic ink supply system, including main black bucket, enters pump, ink feed print cartridge, shower nozzle, return black print cartridge, return pump, return black air-eliminating filter, controller.Main black bucket is connected with pump is entered, enter pump to be connected with ink feed print cartridge, the ink outlet port of ink feed print cartridge is connected with shower nozzle ink entrance, shower nozzle is returned Mo Kou and is connected with the ink entrance for returning black print cartridge, the ink outlet port for returning black print cartridge is connected with pump is returned, return pump to be connected with time black air-eliminating filter, return black air-eliminating filter and be connected with ink feed print cartridge.First pressure detection means is set in ink feed print cartridge, is returned in black print cartridge and is set second pressure detection means.The pressure returned in black print cartridge of the pressure and second pressure detection means detection in the ink feed print cartridge that controller is detected according to first pressure detection means, controls into pump and returns the rotating speed of pump, makes ink feed print cartridge and returns the negative pressure differential of black print cartridge to meet steady pressure poor.Adjusted based on pressure sensing result into pump and return pump rotating speed to realize cyclic ink supply, it is simple, safe and reliable.
Description
Technical field
The invention belongs to digital printing technologies field, more particularly, to a kind of cyclic ink supply system.
Background technology
In ink-jet printing technology field, generally adopting in ink-jet printer needs what cyclic ink supply system was supported
The ink jet-print head of series flow, abbreviation shower nozzle.Using ink circulation in the showerhead, can be by shower nozzle
In impurity and bubble etc. take away, its blocking shower nozzle is prevented with this or affects to print, while can also promote
Enter thermal cycle, it is ensured that ink viscosity is stablized.
A kind of cyclic ink supply system of crossfire work is provided in prior art, as shown in figure 1, the circulation
Ink feeding system includes main black bucket 101, and the ink outlet port of main black bucket 101 is connected with the ink entrance for entering pump 102,
The ink outlet port for entering pump 102 is connected with the ink entrance of ink feed print cartridge 103, the ink outlet port of ink feed print cartridge 103
It is connected with the ink entrance of shower nozzle 104, the Mo Kou that returns of shower nozzle 104 is connected with time ink entrance of black print cartridge 105,
The black mouth that returns for returning black print cartridge 105 is connected with main black bucket 101.During normal work, enter pump 102 by ink
Ink feed print cartridge 103 is pressed into, causes ink to enter shower nozzle 104 by the pressure applied in ink feed print cartridge 103,
Ink is flow through after shower nozzle 104 by the suction for returning black print cartridge 105 of applying negative pressure from ink feed print cartridge 103
Effect is flowed back to back in black print cartridge 105.In addition, the swabbing action of the main black bucket 101 by applying negative pressure
Can will return the ink in black print cartridge 105 to be back in main black bucket 101.
Due to having used gas pressure to be circulated control in a large number in above-mentioned cyclic ink supply system, so system
In there is substantial amounts of gas circuit, i.e., above-mentioned pressure, the generation of negative pressure are all based on the gas of gas circuit generation
Pressure, the presence of a large amount of gas circuits cause ink feeding system complexity higher.Also, ink is often due to system
Failure enters gas circuit, causes gas circuit device failure, and gas circuit is damaged and easily causes ink outflow, to ink feeding system
Reliability service have a negative impact, such as UV inks have very strong corrosivity, and ink feeding system can be made
Into catastrophic effect.
The content of the invention
For above-mentioned problem, the present invention provides a kind of cyclic ink supply system, existing for overcoming
Gas pressure loop control mode is easily caused the high defect of ink feeding system poor stability, complexity.
The invention provides a kind of cyclic ink supply system, including：
Main black bucket, enter pump, ink feed print cartridge, shower nozzle, return black print cartridge, return pump, return black degassing and filtration
Device and controller；
The ink outlet port of the main black bucket with it is described enter pump ink entrance be connected, it is described enter pump ink outlet port
It is connected with the first ink entrance of the ink feed print cartridge, the ink outlet port of the ink feed print cartridge and the ink feed of the shower nozzle
Mouthful connection, the black mouth that returns of the shower nozzle be connected with the ink entrance of described time black print cartridge, and described time ink print cartridge goes out
Black mouth is connected with the ink entrance of described time pump, the black air-eliminating filter of the ink outlet port of described time pump and described time
Entrance connection, the second ink entrance of the first outlet and the ink feed print cartridge of described time black air-eliminating filter connects
Connect；
First pressure detection means is installed in the ink feed print cartridge, in described time black print cartridge, second is provided with
Pressure-detecting device, the first pressure detection means and the second pressure detection means respectively with the control
Device connection processed；
The first pressure detection means is used to detecting the pressure value in the ink feed print cartridge, and by it is described enter
Pressure value in print cartridge is sent to the controller；
The second pressure detection means is used to detect the pressure value returned in black print cartridge, and by described time
Pressure value in print cartridge is sent to the controller；
The controller is for according to the pressure in the pressure value in the ink feed print cartridge and described time black print cartridge
Value, enters the rotating speed of the rotating speed and described time pump of pump respectively described in control, so that the ink feed print cartridge
It is poor that negative pressure differential between the pressure of pressure and described time black print cartridge meets steady pressure.
The cyclic ink supply system that the present invention is provided, by detection is provided in the cyclic ink supply system
The first pressure detection means of ink feed print cartridge pressure and the second pressure for detecting back black print cartridge pressure
Force checking device, can get ink feed print cartridge in real time and return the pressure condition of black print cartridge, and then basis
The pressure condition for obtaining in real time adjust respectively the rotating speed for entering pump that be connected with ink feed print cartridge and with time
The rotating speed for returning pump of print cartridge connection, so as to ink feed print cartridge and Hui Momo are realized in the adjustment for passing through rotating speed
Between box, pressure differential stablizes so that realize ink based on pressure differential stable between ink feed print cartridge and time black print cartridge
Loop control of the water in ink feeding system.In the program, the realization of cyclic ink supply is examined based on above-mentioned pressure
The result of survey, and the adjustment of pump rotating speed is carried out into pump and is returned based on pressure sensing result, need not
A large amount of gas circuits, realize simple, safe and reliable.
Description of the drawings
A kind of structural representation of cyclic ink supply systems of the Fig. 1 to provide in prior art；
The structural representation of the cyclic ink supply system embodiment one that Fig. 2 is provided for the present invention；
The structural representation of the cyclic ink supply system embodiment two that Fig. 3 is provided for the present invention；
The structural representation of the cyclic ink supply system embodiment three that Fig. 4 is provided for the present invention.
Specific embodiment
The structural representation of the cyclic ink supply system embodiment one that Fig. 2 is provided for the present invention, as shown in Fig. 2
The cyclic ink supply system includes：
Main black bucket 11, enter pump 12, ink feed print cartridge 13, shower nozzle 14, return black print cartridge 15, return pump 16,
Return black air-eliminating filter 17 and controller 18.
The ink outlet port of the main black bucket 11 with it is described enter pump 12 ink entrance be connected, it is described enter pump 12
Ink outlet port be connected with the first ink entrance of the ink feed print cartridge 13, the ink outlet port of the ink feed print cartridge 13 with
The ink entrance connection of the shower nozzle 14, the ink feed for returning black mouth and described time black print cartridge 15 of the shower nozzle 14
Mouth connection, the ink outlet port of described time black print cartridge 15 are connected with the ink entrance of described time pump 16, the Hui Mo
The ink outlet port of pump 16 is connected with the entrance of described time black air-eliminating filter 17, described time black air-eliminating filter
17 first outlet is connected with the second ink entrance of the ink feed print cartridge 13.
From figure 2 it can be seen that during normal work, the ink in main black bucket 11, by entering pump 12
Effect enter into ink feed print cartridge 13, when initial, enter pump 12 and can be run with default rotating speed, so as to
Not only the ink in main black bucket 11 can be drawn in ink feed print cartridge 13, also can be produced in ink feed print cartridge
Certain pressure, based on the pressure, the ink in ink feed print cartridge to dirty, by the ink entrance of shower nozzle 14
Shower nozzle 14 is flowed through, is entered back in black print cartridge 15 from the ink outlet port of shower nozzle.Meanwhile, pump 16 is returned also with one
Fixed rotating speed operation, by the swabbing action for returning pump 16, can produce negative pressure in black print cartridge 15 is returned,
The pressure causes form negative pressure between black print cartridge 15 and ink feed print cartridge 13 to return, and returns in black print cartridge 15
Ink can be returned pump 16 and be suctioned out, and after the degasification for returning black air-eliminating filter 17, flow back into ink feed print cartridge
In 13.So as to, the ink flowed out from main black bucket 11, by entering pump 12 and returning the effect of pump 16,
In ink feed print cartridge 13, shower nozzle 14, to return and cyclic ink supply is formed between black print cartridge 15.It is thus possible to by shower nozzle
Impurity, bubble in 14 etc. are taken away from shower nozzle 14, it is to avoid shower nozzle 14 is blocked.
What deserves to be explained is, in the present embodiment, the junction between above-mentioned each device is all sealing, to keep away
Exempt from ink leakage.
But, in actual applications, with the continuous operation of cyclic ink supply system, and print procedure
The reasons such as operation, even if enter pump 12 and return pump 16 still being run with initial rotating speed, now due to ink feed
Print cartridge 13 and the pressure returned in black print cartridge 15 may have occurred change, it is also possible to cause the cyclic ink supply can not be very
Good realization, because ink feed print cartridge 13 and the pressure differential returned between black print cartridge 15 may be no longer stable, i.e.,
It is not maintained in the level of steady pressure difference.
For this purpose, mode is carried out real-time detection ink feed print cartridge 13 and returns black print cartridge 15 as be described below in the present embodiment
In pressure, to enter pump 12 according to testing result real-time adjustment and return the rotating speed of pump 16 so that pass through
Adjustment to entering the rotating speed of pump 12 and time pump 16, maintains ink feed print cartridge 13 and returns the pressure of black print cartridge 15
Power difference is in steady pressure difference level.
First pressure detection means 131 is installed, in described time black print cartridge 15 in the ink feed print cartridge 13
Second pressure detection means 151, the first pressure detection means 131 and second pressure inspection are installed
Survey device 151 to be connected with the controller 18 respectively.
The first pressure detection means 131 is for detecting the pressure value in the ink feed print cartridge 13, and incites somebody to action
Pressure value in the ink feed print cartridge 13 is sent to the controller 18.
The second pressure detection means 151 is used to detect the pressure value returned in black print cartridge 15, and will
Pressure value in described time black print cartridge 15 is sent to the controller 18.
The controller 18 is for according to the pressure value in the ink feed print cartridge 13 and described time black print cartridge 15
In pressure value, respectively control described in enter pump 12 rotating speed and described time pump 16 rotating speed so that
Negative pressure differential between the pressure of the pressure of the ink feed print cartridge 13 and described time black print cartridge 15 meets stable
Pressure differential.
Above-mentioned first pressure detection means 131 and second pressure detection means 151 can be pressure transducers,
Its Cleaning Principle belongs to prior art, repeats no more in the present embodiment.
First pressure detection means 131 and second pressure detection means 151 can be configured to very short
Time interval is periodically detected the pressure in correspondence print cartridge, and testing result is sent to controller 18.Control
Device 18 is based on the testing result, by the adjustment of rotational speed for entering pump 12 for controlling to be connected with ink feed print cartridge 13,
And control and the adjustment of rotational speed for returning time pump 16 that black print cartridge 15 is connected, adjust in ink feed print cartridge 13
Pressure and the pressure returned in black print cartridge 15 so that it is poor that both pressure differentials meet steady pressure.
Specifically, the ink feed print cartridge 13 that controller 18 is detected according to first pressure detection means 131
Pressure value, when it is determined that pressure value in ink feed print cartridge 13 is less than ink feed print cartridge desired pressure value, with pre-
If step-length improves the rotating speed into pump 12, it is determined that the pressure value in ink feed print cartridge 13 is more than the ink feed print cartridge phase
When hoping pressure value, the rotating speed into pump 12 is reduced with default step-length.
The pressure value for returning black print cartridge 15 that controller 18 is detected according to second pressure detection means 151,
When it is determined that the pressure value returned in black print cartridge 15 is less than back black print cartridge desired pressure value, improved with default step-length
The rotating speed of pump 16 is returned, when it is determined that the pressure value returned in black print cartridge 15 is more than back black print cartridge desired pressure value,
The rotating speed of pump 16 is reduced back to preset step-length.
Wherein, ink feed print cartridge desired pressure value is equal to described with the negative pressure differential for returning black print cartridge desired pressure value
Steady pressure is poor.
What deserves to be explained is, have adjusted by correspondence step-length respectively in controller 18 and once enter pump 12
Rotating speed and after returning the rotating speed of pump 16, first pressure detection means 131 and second pressure detection means
151 carry out ink feed print cartridge 13 respectively and return the detections again of pressure in black print cartridge 15, and by testing result
Feedback controller 18, so that controller 18 determines whether to proceed adjustment of rotational speed based on the testing result,
Till being adjusted to meet the level of steady pressure difference.
In the present embodiment, so that pressure at spray nozzle is by ink feed print cartridge pressure and returns the common shadow of black print cartridge pressure
Ring.By the rotating speed for controlling rotating speed and time pump into pump, thus it is possible to vary ink feed print cartridge and time black print cartridge
Pressure, it is possible to control the pressure of nozzle ink velocity of water circulation and spray nozzle point.
In the present embodiment, by being provided for detecting ink feed print cartridge pressure in the cyclic ink supply system
First pressure detection means and the second pressure detection means for detecting back black print cartridge pressure, can
Ink feed print cartridge is got in real time and returns the pressure condition of black print cartridge, and then according to the real-time pressure feelings for obtaining
Condition adjusts the rotating speed for entering pump being connected with ink feed print cartridge and the Hui Mo being connected with time black print cartridge respectively
The rotating speed of pump, so as to ink feed print cartridge is realized in the adjustment for passing through rotating speed and returns the steady of pressure differential between black print cartridge
It is fixed so as to realize ink in ink feeding system based on pressure differential stable between ink feed print cartridge and time black print cartridge
Loop control.In the program, the realization of cyclic ink supply is the result based on above-mentioned pressure detecting, and
The adjustment of pump rotating speed is carried out into pump and is returned based on pressure sensing result, without the need for a large amount of gas circuits, is realized
Simply, it is safe and reliable.
The structural representation of the cyclic ink supply system embodiment two that Fig. 3 is provided for the present invention, as shown in figure 3,
On the basis of embodiment illustrated in fig. 2, the cyclic ink supply system also includes：Gas exhausting valve 21.
One end of the gas exhausting valve 21 is connected with the ink entrance of the main black bucket 11, the aerofluxuss control
The other end of valve processed 21 is connected with the second outlet of described time black air-eliminating filter 17.
In the present embodiment, black air-eliminating filter 17 is returned with two outlets, first outlet and ink feed print cartridge
13 connections, for realizing back that the ink flowed out in black print cartridge 15 is back in ink feed print cartridge 13.Second goes out
Mouth is connected with gas exhausting valve 21, and the other end of gas exhausting valve 21 is connected with main black bucket 11.So as to,
Return black air-eliminating filter 17, between gas exhausting valve 21 and main black bucket 11, define a path.
So as to, the bubble produced in cyclic ink supply system operation is discharged by the unlatching of gas exhausting valve 21,
It is likely to discharge ink during due to valve opening, so the outlet of gas exhausting valve 21 and main black bucket 11
It is connected, you can the gas that produces also not wasted ink in removal system operation.
In actual use, gas exhausting valve can be arranged periodically to open, so as to can both realize
Pump-down process, it is also ensured that many inks are back in ink feed print cartridge 13 as far as possible.
Specifically, gas exhausting valve 21 is connected with controller 18, the periodically control aerofluxuss control of controller 18
Valve processed 21 is opened, and when gas exhausting valve 21 is opened, circulating the gas for producing can be from time black degasification with ink
The second outlet of filter 17 flows out, and flows through gas exhausting valve 21 and is discharged in main black bucket 11.So as to,
By the control of controller 18, periodicity pump-down process is realized.
In addition, in actual use, sometimes may require that carries out strength cleaning to shower nozzle, to ensure
The cleannes of shower nozzle.Now, user can be right to trigger by pressing the cleaning button of the shower nozzle on printer
The clear instruction cleaned by shower nozzle.When controller 18 receives the clear instruction, control into pump
12 adjustment of rotational speed is to preset rotation speed, and controls back pump 16 and quit work, and controls gas exhausting valve 21
Close.As such, it is possible to a larger cleaning pressure is produced in ink feed print cartridge 13, ink is squeezed out
The spray orifice of shower nozzle, reaches the purpose on cleaning sprayer surface.
The structural representation of the cyclic ink supply system embodiment three that Fig. 4 is provided for the present invention, as shown in figure 4,
On the basis of Fig. 2 or embodiment illustrated in fig. 3, the cyclic ink supply system also includes：It is connected to into pump
Ink feed filter 31 between 12 and ink feed print cartridge 13, ink feed filter 31 are used to filter the impurity in ink.
The cyclic ink supply system also includes：Liquid level detection device 32 in main black bucket 11, liquid level inspection
Survey device 32 to be connected with the controller 18.
Liquid level detection device 32 is used for the liquid level for detecting main 11 ink inside of black bucket, and low liquid level is detected
When predetermined threshold value, warning signal is sent to controller 18.
Detected by the liquid level for arranging ink in the main black bucket of liquid level detection device 32 pairs, to find in time
The situation of ink cartridge low, is alerted, so that relevant persons in charge is processed in time.
One of ordinary skill in the art will appreciate that：Realize all or part of step of said method embodiment
Can be completed by the related hardware of programmed instruction, aforesaid program can be stored in a computer-readable
Take in storage medium, the program upon execution, performs the step of including said method embodiment；And it is aforementioned
Storage medium include：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is only illustrating technical scheme rather than right
Its restriction；Although being described in detail to the present invention with reference to foregoing embodiments, this area it is common
Technical staff should be understood：Which still can be modified to the technical scheme described in foregoing embodiments,
Or equivalent is carried out to which part or all technical characteristic；And these modifications or replacement, and
The scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution is not made.
Claims (8)
1. a kind of cyclic ink supply system, it is characterised in that include：
Main black bucket, enter pump, ink feed print cartridge, shower nozzle, return black print cartridge, return pump, return black degassing and filtration
Device and controller；
The ink outlet port of the main black bucket with it is described enter pump ink entrance be connected, it is described enter pump ink outlet port
It is connected with the first ink entrance of the ink feed print cartridge, the ink outlet port of the ink feed print cartridge and the ink feed of the shower nozzle
Mouthful connection, the black mouth that returns of the shower nozzle be connected with the ink entrance of described time black print cartridge, and described time ink print cartridge goes out
Black mouth is connected with the ink entrance of described time pump, the black air-eliminating filter of the ink outlet port of described time pump and described time
Entrance connection, the second ink entrance of the first outlet and the ink feed print cartridge of described time black air-eliminating filter connects
Connect；
First pressure detection means is installed in the ink feed print cartridge, in described time black print cartridge, second is provided with
Pressure-detecting device, the first pressure detection means and the second pressure detection means respectively with the control
Device connection processed；
The first pressure detection means is used to detecting the pressure value in the ink feed print cartridge, and by it is described enter
Pressure value in print cartridge is sent to the controller；
The second pressure detection means is used to detect the pressure value returned in black print cartridge, and by described time
Pressure value in print cartridge is sent to the controller；
The controller is for according to the pressure in the pressure value in the ink feed print cartridge and described time black print cartridge
Value, enters the rotating speed of the rotating speed and described time pump of pump respectively described in control, so that the ink feed print cartridge
It is poor that negative pressure differential between the pressure of pressure and described time black print cartridge meets steady pressure.
2. system according to claim 1, it is characterised in that：
The controller specifically for：It is determined that the pressure value in the ink feed print cartridge is less than the ink feed print cartridge phase
When hoping pressure value, with preset step-length improve described in enter the rotating speed of pump, it is determined that pressure in the ink feed print cartridge
When force value is more than ink feed print cartridge desired pressure value, to preset the rotating speed for entering pump described in step-length reduction.
3. system according to claim 1, it is characterised in that：
The controller specifically for：It is determined that the pressure value in described time black print cartridge is less than back the black print cartridge phase
When hoping pressure value, the rotating speed for returning pump is improved to preset step-length, it is determined that pressure in described time black print cartridge
When force value is more than back black print cartridge desired pressure value, the rotating speed for returning pump is reduced to preset step-length；Wherein,
The ink feed print cartridge desired pressure value is equal to described steady with the negative pressure differential of described time black print cartridge desired pressure value
Constant-pressure is poor.
4. system according to claim 1, it is characterised in that also include：Gas exhausting valve；
One end of the gas exhausting valve is connected with the ink entrance of the main black bucket, the gas exhausting valve
The other end is connected with the second outlet of described time black air-eliminating filter.
5. system according to claim 4, it is characterised in that the gas exhausting valve and the control
Device connection processed；
The controller is additionally operable to periodically control the gas exhausting valve opening.
6. system according to claim 4, it is characterised in that：
The controller is additionally operable to：When clear instruction is received, enter the adjustment of rotational speed of pump described in control
To preset rotation speed, and time pump quits work described in controlling, and controls the gas exhausting valve and closes.
7. the system according to any one of claim 1 to 6, it is characterised in that also include：Connection
It is described enter ink feed filter between pump and the ink feed print cartridge；
The ink feed filter is used to filter the impurity in ink.
8. the system according to any one of claim 1 to 6, it is characterised in that also include：It is located at
Liquid level detection device in the main black bucket, the liquid level detection device are connected with the controller；
The liquid level detection device is used for the liquid level for detecting the main black bucket ink inside, and is detecting liquid level
During less than predetermined threshold value, warning signal is sent to the controller.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107443900A (en) * | 2017-09-01 | 2017-12-08 | 湖北京山轻工机械股份有限公司 | Novel corrugated board ink-jet system |
| CN109203708A (en) * | 2017-07-05 | 2019-01-15 | 亿码（厦门）标识科技有限公司 | A kind of cleaning of integral intelligent ink road, emptying, ink-feeding device |
| CN109624504A (en) * | 2018-11-28 | 2019-04-16 | 浙江腾创机械设备有限公司 | A kind of industry spray drawing machine ink circulation system |
| CN109664618A (en) * | 2017-10-16 | 2019-04-23 | 北大方正集团有限公司 | Ink-providing control system, printing machine, ink supply control method |
| CN110280716A (en) * | 2019-05-22 | 2019-09-27 | 共享智能铸造产业创新中心有限公司 | A kind of ink discharge device and 3D printing equipment |
| CN110293763A (en) * | 2018-03-21 | 2019-10-01 | 广东科达洁能股份有限公司 | Print cartridge negative pressure control apparatus and ink-jet printer |
| CN111645425A (en) * | 2020-06-10 | 2020-09-11 | Tcl华星光电技术有限公司 | Ink jet printing apparatus and bubble discharge method thereof |
| CN114603993A (en) * | 2022-03-18 | 2022-06-10 | 杭州爱新凯科技有限公司 | Piezoelectric nozzle positive pressure printing device |
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Application publication date: 20170405 |