CN206703737U - A kind of black pressure control device of digital printer high accuracy - Google Patents
A kind of black pressure control device of digital printer high accuracy Download PDFInfo
- Publication number
- CN206703737U CN206703737U CN201720328644.2U CN201720328644U CN206703737U CN 206703737 U CN206703737 U CN 206703737U CN 201720328644 U CN201720328644 U CN 201720328644U CN 206703737 U CN206703737 U CN 206703737U
- Authority
- CN
- China
- Prior art keywords
- ink
- print cartridge
- pressure
- pump
- black
- 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.)
- Active
Links
Landscapes
- Ink Jet (AREA)
Abstract
The utility model discloses a kind of black pressure control device of digital printer high accuracy, the control unit being connected including ink donor unit and with ink donor unit, ink donor unit includes the print cartridge connected with printhead and the black bucket connected with print cartridge, black bucket ink inside is delivered to print cartridge by dispenser pump, print cartridge is closed ink box, the gas buffer for ink pressure in additional feedback print cartridge is provided with print cartridge, control unit includes controller, for the regulation of print cartridge ink inside to be back into the pressure regulating pump of black bucket and is connected to pressure sensing cell of the controller input for the compression of detection gas buffer unit, pressure regulating pump is controlled by controller.The utility model is simple in construction, both can be suitably used for malleation ink-supplied printer, and can is applied to negative pressure ink supply printer, and ink delivery pressure is stable and precision is high so that printhead is out of ink uniformly, ensure that good printing effect.
Description
Technical field
The utility model belongs to digital printer technical field, and in particular to a kind of digital printer is voltage-controlled with high accuracy ink
Device processed.
Background technology
In recent years, as the rapid development of Digital ink jet printing technology, printhead technology have also obtained great lifting, gushed
Large quantities of technical grade digital ink-jet printheads are revealed, had both required the printhead of malleation ink supply among these or required negative pressure confession
The printhead of ink, either malleation ink supply or negative pressure ink supply all propose extremely strict want to the precision and stability of ink pressure
Ask.Traditional siphonage or differential pressure method or using the negative pressure gas bag method of vacuum proportional valve come realize it is black it is voltage-controlled system in precision and
It all can not increasingly meet the needs of high-speed digital printing in stability, ink supply amount deficiency, ink pressure shakiness, reliability often occur
Difference, the speed of service is low, the problems such as complicated and black pressure is single.Therefore, the utility model is in order to meet that in the market is continuous
Requirement of the technical grade flying print head of appearance to ink feeding system, for technical problem existing for prior art, there is provided one kind was both
It is applied to the black pressure control device of high accuracy of negative pressure ink supply again suitable for malleation ink supply.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided a kind of digital
The black pressure control device of printing machine high accuracy, its simple in construction and install convenient, by setting enclosed print cartridge, and by adding
Ink in black bucket is delivered in print cartridge by note pump, and the ink regulation in print cartridge is back in black bucket by pressure regulating pump, filled
Difference in flow is formed between the adding amount of pump and the regulation capacity of returns of pressure regulating pump, both can be suitably used for malleation ink-supplied printer, and can is fitted
For negative pressure ink supply printer, and ink delivery pressure is stable and precision is high so that printhead is out of ink uniformly, ensure that good printing
Effect.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of digital printer high accuracy
Black pressure control device, it is characterised in that：The control unit being connected including ink donor unit and with the ink donor unit, the ink supply list
Member includes the print cartridge connected with printhead and the black bucket connected with print cartridge, and the black bucket ink inside is delivered to ink by dispenser pump
Box, the print cartridge are closed ink box, and the gas buffer for ink pressure in additional feedback print cartridge is provided with the print cartridge,
Described control unit includes controller, for the regulation of print cartridge ink inside being back into the pressure regulating pump of black bucket and to be connected to controller defeated
Enter end and be used for the pressure sensing cell that detection gas buffer unit is pressurized, the pressure regulating pump is controlled by controller.
A kind of above-mentioned black pressure control device of digital printer high accuracy, it is characterised in that：The pressure monitoring unit
For barometer.
A kind of above-mentioned black pressure control device of digital printer high accuracy, it is characterised in that：The black bucket and dispenser pump
Between be provided with filter.
A kind of above-mentioned black pressure control device of digital printer high accuracy, it is characterised in that：The dispenser pump and pressure regulation
Pump uses membrane pump, and the dispenser pump is quantitative membrane pump, and the pressure regulating pump is stepless variable-displacement diaphragm pump.
A kind of above-mentioned black pressure control device of digital printer high accuracy, it is characterised in that：The gas buffer
For filling air or air bag.
A kind of above-mentioned black pressure control device of digital printer high accuracy, it is characterised in that：The controller is adjusted for PID
Save instrument or PLC control modules.
The utility model has advantages below compared with prior art：
1st, the ink in black bucket is delivered to print cartridge by the utility model by setting enclosed print cartridge, and by dispenser pump
In, ink is delivered to printhead by print cartridge, print cartridge is closed ink box, is provided with the print cartridge for additional feedback print cartridge
The gas buffer of interior ink pressure, the pressure acted on by pressure monitoring unit by detecting ink in print cartridge on gas buffer
Power, and measured value is sent to controller, as controller by measured value with printhead needed for setting value compared with after, output
Regulate signal controls the regulation capacity of returns of pressure regulating pump to pressure regulating pump, the adding amount of dispenser pump and the regulation capacity of returns of pressure regulating pump it
Between form difference in flow, both can be suitably used for malleation ink-supplied printer, and can is applied to negative pressure ink supply printer, and ink delivery pressure is stable
And precision is high so that printhead is out of ink uniformly, ensure that good printing effect.
2nd, the utility model dispenser pump and pressure regulating pump use membrane pump, and dispenser pump is quantitative membrane pump, and pressure regulating pump is
Stepless variable-displacement diaphragm pump, the barrier film in membrane pump can separate the gearing part in the ink and membrane pump that are conveyed, no
The phenomenon that ink leaks out, and small volume can occur, be easy to dismount, controller need to only export pressure divergence value to pressure regulation
Pump, the regulation capacity of returns being back to by pressure regulating pump control from print cartridge in black bucket just can be by the ink pressure control in print cartridge simultaneously
Keep stable, simplify control parameter, quick response can be realized.
3rd, the utility model is compared with the negative pressure gas bag method of siphonage or differential pressure method or vacuum proportional valve, it is not necessary to which vacuum is sent out
Raw device, it is not necessary to bulky gas bag, it is not necessary to the expensive vacuum proportional valve being easily damaged again, it is not necessary to baroque difference
Press print cartridge and easily by temperature and the siphon pipe of viscosity, it is compact-sized, it is stable, it is easy to utilize.
In summary, the utility model is conveyed the ink in black bucket by dispenser pump by setting enclosed print cartridge
Into print cartridge, the ink regulation in print cartridge is back in black bucket by pressure regulating pump, the adding amount of dispenser pump and the tune of pressure regulating pump
Difference in flow is formed between section capacity of returns, both can be suitably used for malleation ink-supplied printer, and can is applied to negative pressure ink supply printer, and supplies
Black pressure stability and precision height so that printhead is out of ink uniformly, ensure that good printing effect.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is control principle block diagram of the present utility model.
Description of reference numerals:
1-black bucket；2-pressure regulating pump；3-pressure sensing cell；
4-print cartridge；5-dispenser pump；6-filter；
7-printhead；8-controller；9-gas buffer.
Embodiment
As depicted in figs. 1 and 2, the utility model includes ink donor unit and the control unit being connected with the ink donor unit,
The ink donor unit includes the print cartridge 4 connected with printhead 7 and the black bucket 1 connected with print cartridge 4, and the black ink inside of bucket 1 passes through
Dispenser pump 5 is delivered to print cartridge 4, and the print cartridge 4 is closed ink box, is provided with the print cartridge 4 in additional feedback print cartridge 4
The gas buffer 9 of ink pressure, described control unit include controller 8, for the regulation of the ink inside of print cartridge 4 to be back into black bucket 1
Pressure regulating pump 2 and be connected to the input of controller 8 be used for detection gas buffer unit 9 be pressurized pressure sensing cell 3, the tune
Press pump 2 is controlled by controller 8.
The black ink inside of bucket 1 is delivered in print cartridge 4 by dispenser pump 5, then ink is delivered to printhead 7, institute by print cartridge 4
It is closed ink box to state print cartridge 4, and the gas buffer 9 for ink pressure in additional feedback print cartridge 4 is provided with the print cartridge 4,
By pressure monitoring unit 3 by detecting the pressure that ink is acted on gas buffer 9 in print cartridge 4, and measured value is transmitted
To controller 8, as controller 8 by measured value with printhead 7 needed for setting value compared with after, output regulation signal is to pressure regulation
Pump 2, the regulation capacity of returns of pressure regulating pump 2 is controlled, can realize that dynamic adjusts to the ink pressure in print cartridge 4, due to dispenser pump 5
A difference in flow is formed between adding amount and the regulation capacity of returns of pressure regulating pump 2, when the adding amount of dispenser pump 5 is more than pressure regulating pump 2
Capacity of returns is adjusted, the ink pressure in print cartridge 4 rises, when the adding amount of dispenser pump 5 is less than the regulation capacity of returns of pressure regulating pump 2, ink
Ink pressure in box 4 declines, and both can be suitably used for malleation ink-supplied printer, and can is applied to negative pressure ink supply printer, and ink supply
Pressure stability and precision height so that printhead 7 is out of ink uniformly, ensure that good printing effect.
The setting of gas buffer 9 be in order to buffer the pressure of ink in print cartridge 4, and can play a part of storage pressure,
It is easy to detect.
In the present embodiment, the pressure monitoring unit 3 is barometer, and the barometer is arranged on print cartridge 4, by described
The pressure that ink is acted on gas buffer 9 in barometer detection print cartridge 4, calculate the pressure of ink in print cartridge 4.
In the present embodiment, filter 6 is provided between the black bucket 1 and dispenser pump 5, is removed by filter 6 in ink
Impurity, reduce the fault rate of whole printing equipment, ensure that printing quality.
In the present embodiment, the dispenser pump 5 and pressure regulating pump 2 use membrane pump, and the dispenser pump 5 and pressure regulating pump 2 are adopted
It is with the reason for membrane pump：Barrier film in membrane pump can separate the gearing part in the ink and membrane pump that are conveyed,
The phenomenon that ink leaks out will not occur.
The dispenser pump 5 is quantitative membrane pump, i.e. the adding amount of dispenser pump 5 is a quantitative values, and pressure regulating pump 2 is stepless change
Membrane pump is measured, i.e. the regulation capacity of returns of pressure regulating pump 2 can only need to be by pressure divergence with continuously linear step-less adjustment, the controller 8
To pressure regulating pump, the ink capacity of returns being back to by pressure regulating pump control from print cartridge in black bucket just can be by the ink in print cartridge for value output
Water pressure controls and keeps stable, simplifies control parameter, can realize quick response.
Preferably, the gas buffer 9 is to fill air or air bag, and in the present embodiment, the gas delays
Flushing device 9 uses air bag, because the air bag can avoid the phenomenon that air dissolves each other with ink, so as to influence
Detection and the precision of control.
Preferably, the controller 8 is PID adjusting apparatus or PLC control modules, and in the present embodiment, the controller 8 is
PID adjusting apparatus.
During actual use, the black ink inside of bucket 1 is delivered in print cartridge 4 by dispenser pump 5, then ink tube is passed through by print cartridge 4
Ink is delivered to printhead 7, and the ink regulation of print cartridge 4 is back in black bucket 1 by pressure regulating pump 2, by the barometer
Measured value be sent to the PID adjusting apparatus, measured value and the setting value needed for printhead 7 are carried out as the PID adjusting apparatus
After comparing, output regulation signal is to pressure regulating pump 2, the regulation capacity of returns of control pressure regulating pump 2, so as to realize to the ink in print cartridge 4
The dynamic adjustment of pressure, control accuracy is high, and fast response time is easy to utilize.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every
Any simple modification, change and the equivalent structure change made according to the utility model technical spirit to above example, still
Belong in the protection domain of technical solutions of the utility model.
Claims (6)
- A kind of 1. black pressure control device of digital printer high accuracy, it is characterised in that：Including ink donor unit and with the ink supply The control unit of unit connection, the ink donor unit include the print cartridge (4) that is connected with printhead (7) and connected with print cartridge (4) Black bucket (1), black bucket (1) ink inside are delivered to print cartridge (4) by dispenser pump (5), and the print cartridge (4) is closed ink box, The gas buffer (9) for ink pressure in additional feedback print cartridge (4), described control unit bag are provided with the print cartridge (4) Include controller (8), for the regulation of print cartridge (4) ink inside to be back into the pressure regulating pump (2) of black bucket (1) and is connected to controller (8) Input is used for the pressure sensing cell (3) that detection gas buffer unit (9) is pressurized, and the pressure regulating pump (2) is controlled by controller (8) System.
- 2. according to the black pressure control device of a kind of digital printer high accuracy described in claim 1, it is characterised in that：The pressure Power monitoring unit (3) is barometer.
- 3. according to the black pressure control device of a kind of digital printer high accuracy described in claim 1 or 2, it is characterised in that：Institute State and filter (6) is provided between black bucket (1) and dispenser pump (5).
- 4. according to the black pressure control device of a kind of digital printer high accuracy described in claim 1 or 2, it is characterised in that：Institute State dispenser pump (5) and pressure regulating pump (2) uses membrane pump, the dispenser pump (5) is quantitative membrane pump, and the pressure regulating pump (2) is Stepless variable-displacement diaphragm pump.
- 5. according to the black pressure control device of a kind of digital printer high accuracy described in claim 1 or 2, it is characterised in that：Institute Gas buffer (9) is stated as filling air or air bag.
- 6. according to the black pressure control device of a kind of digital printer high accuracy described in claim 1 or 2, it is characterised in that：Institute It is PID adjusting apparatus or PLC control modules to state controller (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328644.2U CN206703737U (en) | 2017-03-30 | 2017-03-30 | A kind of black pressure control device of digital printer high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328644.2U CN206703737U (en) | 2017-03-30 | 2017-03-30 | A kind of black pressure control device of digital printer high accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206703737U true CN206703737U (en) | 2017-12-05 |
Family
ID=60468322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720328644.2U Active CN206703737U (en) | 2017-03-30 | 2017-03-30 | A kind of black pressure control device of digital printer high accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206703737U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3527382A1 (en) * | 2018-02-15 | 2019-08-21 | Toshiba Tec Kabushiki Kaisha | Liquid circulation device and liquid discharge device |
| CN115489213A (en) * | 2022-11-21 | 2022-12-20 | 季华实验室 | OLED (organic light emitting diode) jet printing ink path flow control method and system |
-
2017
- 2017-03-30 CN CN201720328644.2U patent/CN206703737U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3527382A1 (en) * | 2018-02-15 | 2019-08-21 | Toshiba Tec Kabushiki Kaisha | Liquid circulation device and liquid discharge device |
| CN110154526A (en) * | 2018-02-15 | 2019-08-23 | 东芝泰格有限公司 | Liquid circulating apparatus and liquid ejection apparatus |
| US10661575B2 (en) | 2018-02-15 | 2020-05-26 | Toshiba Tec Kabushiki Kaisha | Liquid circulation device and liquid discharge device |
| CN115489213A (en) * | 2022-11-21 | 2022-12-20 | 季华实验室 | OLED (organic light emitting diode) jet printing ink path flow control method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106827821B (en) | A kind of totally-enclosed double negative-pressure cyclic ink feeding systems of Digital ink-jet printer | |
| CN206703733U (en) | Totally-enclosed double negative-pressure cyclic ink feeding systems of Digital ink-jet printer | |
| US8109613B2 (en) | Ink supplying method | |
| CN206703737U (en) | A kind of black pressure control device of digital printer high accuracy | |
| US20120188314A1 (en) | Inkjet printing apparatus | |
| CN206703734U (en) | A kind of air pressure adjusting type ink level control device of digital printer | |
| CN201226108Y (en) | Automatic control instrument for firming agent | |
| CN101138908A (en) | Negative pressure generating device, method and ink-jet printer | |
| CN209955541U (en) | Circulating ink supply system of ink-jet printer | |
| WO2024104229A1 (en) | Control system of multi-nozzle jet printer, and control method for control system | |
| CN207916311U (en) | Ink-jet printer continuous ink-supply system and ink-jet printer | |
| CN104568082B (en) | Supercritical CO2Flowmeter prover and its scaling method | |
| CN207931301U (en) | A kind of voltage stabilizing ink-supplying ink cartridge | |
| EP3829880B1 (en) | Ink delivery system for a printing module and method for delivering ink | |
| GB2492593A (en) | Pressure regulation system | |
| CN207044935U (en) | A kind of printer automatic negative-pressure voltage-stabilizing system and the printer including the system | |
| CN107867077B (en) | A kind of automatic continuous plus ink print cartridge | |
| CN104290455B (en) | A kind of ink-feeding device and the forming method of print nozzles surface meniscus | |
| CN201096509Y (en) | Metal can steady flow voltage-stabilizing device | |
| CN201014183Y (en) | Computer control high precision CO2 pour-in equipment | |
| CN201325863Y (en) | Fluid metering supply device | |
| CN213175609U (en) | Oil well automatic meter using weighing method | |
| CN113650299A (en) | Ink supply system for 3D printing equipment and printing head cleaning method | |
| WO2016169197A1 (en) | Printing device | |
| CN201107670Y (en) | Accurate liquid voltage-stabilizing apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |