CN101695883A - Negative pressure system for nozzle of ink-jet printer and negative pressure control method thereof - Google Patents
Negative pressure system for nozzle of ink-jet printer and negative pressure control method thereof Download PDFInfo
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- CN101695883A CN101695883A CN200910235599A CN200910235599A CN101695883A CN 101695883 A CN101695883 A CN 101695883A CN 200910235599 A CN200910235599 A CN 200910235599A CN 200910235599 A CN200910235599 A CN 200910235599A CN 101695883 A CN101695883 A CN 101695883A
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Abstract
The invention discloses a negative pressure system for a nozzle of an ink-jet printer and a negative pressure control method thereof. The negative pressure system comprises a negative pressure cavity, a vacuum pump, an auxiliary ink box and a control system, wherein the negative pressure cavity is connected with the vacuum pump, an air source and the auxiliary ink box through a plurality of two-position three-way valves respectively; the negative pressure cavity is also connected with a negative pressure sensor for detecting negative pressure in the negative pressure cavity; and the control system controls the open or the close of each two-position three-way valve and the power-on or the power-off of the vacuum pump according to signals fed back by the negative pressure sensor so as to control the negative pressure in the negative pressure cavity accurately, realize continuous, stable, quick and proper ink supply to the nozzle by the auxiliary ink box, and improve the working stability of the printer. The negative pressure system is also connected with an ink pressing system in series through the two-position three-way valves, and the ink pressing system comprises a pressure pump and a flow limiting valve; and when the nozzle is blocked, the nozzle is communicated with the ink pressing system by controlling the two-position three-way valves, the nozzle is dredged by ink pressing, and air is released after the ink pressing is completed so as to prevent other nozzles from dropping ink, and improve the printing quality of the printer.
Description
Technical field
The present invention relates to a kind of inkjet printer head negative pressure system and negative pressure control method thereof.
Background technology
Be equipped with the assistant print cartridges to the shower nozzle continuous ink feeding on the existing ink-jet printer, the setting height(from bottom) of assistant print cartridges is subjected to gravity effect usually above shower nozzle, and ink can flow into shower nozzle from assistant print cartridges naturally.But, for realizing print speed faster, existing shower nozzle research and development and manufacturing technology level are updated, spark rate at the shower nozzle of industrialization inkjet printing purposes is more and more faster, in order to guarantee the outstanding print quality under high print speed, require printer according to print needs continue, stable, fast, in right amount to the shower nozzle ink supply.If negative pressure is too low, continuously toward dirty, black phenomenon appears dripping to ink in the excessive shower nozzle that causes of ink supply under the effect of gravity; If negative pressure is too high, ink refluxes in the shower nozzle, and the ink in the assistant print cartridges can not flow to shower nozzle in time, in right amount, causes that shower nozzle is inkless to be sprayed, and disconnected China ink occurs, influences print quality.
The negative pressure system of existing ink-jet printer is controlled inaccuracy to negative pressure, occurs the high and low adjusting of negative pressure easily and is forbidden to cause above-mentioned problem.
Summary of the invention
At the problem that prior art exists, one of purpose of the present invention is to provide a kind of convenience, small and exquisite, simultaneously again can be continuously, stable, give the shower nozzle ink supply in time, in right amount, and the negative pressure value size can accurate adjustable inkjet printer head negative pressure system.
Another object of the present invention is to provide a kind of negative pressure control method of inkjet printer head negative pressure system.
For achieving the above object, ink-jet printer negative pressure system of the present invention, comprise negative pressure cavity, vavuum pump, assistant print cartridges, control system, described negative pressure cavity respectively by first valve, second valve and the 3rd valve with vavuum pump, the air source is corresponding with assistant print cartridges links to each other, first valve inlet and second valve export are connected to negative pressure cavity, negative pressure cavity inserts assistant print cartridges by the 3rd valve, also is connected with a B/P EGR Back Pressure Transducer EGR that is used for monitoring the negative pressure value of negative pressure cavity and sends signal to control system on the negative pressure cavity; Control system is according to signal controlling first valve, second valve, the 3rd valve open or the closure of B/P EGR Back Pressure Transducer EGR feedback, control to vacuumize in the negative pressure cavity or in negative pressure cavity input air, adjust vacuum magnitude in the negative pressure cavity.
Further, described negative pressure system is connected with one and presses ink system, comprises compression pump and the 4th valve, and compression pump links to each other by the 3rd valve that the 4th valve is connected with assistant print cartridges, by controlling opening or closure of described the 4th valve and the 3rd valve, realize the switching of negative pressure system and pressure ink system.
Further, described negative pressure cavity also is connected with a vacuum table, is used to show actual suction pressure value in the negative pressure cavity.
Further, also be connected with a flow-limiting valve between described second valve and the air source, when avoiding second valve open, negative pressure cavity is directly connected with the air source, causes that the interior negative pressure of negative pressure cavity sharply descends.
Further, also be connected with a flow-limiting valve between described the 4th valve and the compression pump, be used for regulating the pressure of mediation shower nozzle, when pressing ink system to avoid the 4th valve to connect, behind the 3rd valve open, shower nozzle is direct and compression pump connection by assistant print cartridges, pressure is excessive when causing pressing China ink, the damage shower nozzle.
Further, described first valve, second valve, the 3rd valve and the 4th valve are two-position three way magnetic valve, an import of described first valve connects the import of described negative pressure cavity, another import connects the air source, the outlet of described first valve connects the import of described vavuum pump, an import of described second valve connects the import of described negative pressure cavity, another import connects described air source, the outlet of described second valve is connected with atmosphere, an import of described the 3rd valve connects the outlet of described negative pressure cavity, another import links to each other with an outlet of described the 4th valve, the outlet of described the 3rd valve links to each other with described assistant print cartridges, the import of described the 4th valve links to each other with described compression pump, and another outlet links to each other with atmosphere.
Further, the number of described assistant print cartridges can be determined according to actual needs, each assistant print cartridges correspondence is connected with described the 3rd valve, contact with the outlet of described negative pressure cavity in back in parallel, described assistant print cartridges is provided with a secondary liquid level sensor, by the liquid level of control of secondary liquid level sensor and maintenance assistant print cartridges ink inside.
The negative pressure control method of the ink-jet printer negative pressure system of the present invention's design, be specially: the work negative pressure of negative pressure system is by the negative pressure value of control system according to the B/P EGR Back Pressure Transducer EGR feedback, the negative pressure of negative pressure system is accurately controlled in the energising or the outage of closure or openness and vavuum pump by by-pass valve control.
Further, described control system detects when negative pressure value is higher than setting value in the negative pressure cavity, opens second valve, closes first valve, and vavuum pump is quit work, and enters air in the negative pressure cavity to reduce negative pressure value in the negative pressure cavity; When described control system detects in the negative pressure cavity negative pressure value and is lower than setting value, close second valve, open first valve, start vavuum pump work, take the part air away increasing negative pressure value in the negative pressure cavity, thereby realize the negative regulation of negative pressure system.
Further, when need were realized shower nozzle pressure China ink, described control system was controlled the 3rd valve and is switched to the pressure ink system, controls the switching of the 4th valve and is connected to compression pump pipeline, starting pressure pump work.
Further, after said method also was included in and presses China ink to finish, described control system stopped compression pump earlier, simultaneously, controlled the 4th valve and switched to the venting of air source.
Further, said method also is included in after venting finishes, and described control system is controlled the 4th valve and switched and to be connected to the compression pump pipeline, and the 3rd valve switches to the negative pressure cavity pipeline.
Ink-jet printer negative pressure system of the present invention is simple in structure, easy to install, negative regulation is adjustable, by software control system valve and vavuum pump are controlled, can accurately be regulated the negative pressure value of negative pressure system, its accuracy can be controlled in ± 0.05Kpa in, guarantee that its negative pressure is in the safe working range, prevent that the negative pressure system negative pressure is excessive, black, components and parts damage that the assistant print cartridges that causes overflows, thereby the job stability of raising ink-jet printer.The present invention also comprises the pressure China ink pipeline that shower nozzle is pressed ink system, can realize pressing the switching between black pipeline and the negative pressure line, and when assistant print cartridges and negative pressure line connection, this negative pressure makes the normal ink-jet of shower nozzle, realizes continuous, stable, quick, an amount of ink supply of shower nozzle; When assistant print cartridges was connected with the black pipeline of pressure, this malleation was used to dredge inkjet printer head, and simultaneously, by the malleation venting, the atmosphere that prevents to be dredged in the shower nozzle is transferred to other shower nozzles, avoids other shower nozzles to drip China ink downwards.
Description of drawings
Accompanying drawing 1 is the negative pressure system schematic diagram of an assistant print cartridges of ink-jet printer among the embodiment 1;
Accompanying drawing 2 is the negative pressure system schematic diagram of six assistant print cartridges of ink-jet printer among the embodiment 2;
Accompanying drawing 3 is ink-jet printer negative pressure system software systems control flow chart of the present invention.
The specific embodiment
Embodiment one
Present embodiment is the negative pressure system that is provided with an assistant print cartridges in the ink-jet printer, as shown in Figure 1, this negative pressure system comprises negative pressure line, presses black pipeline and assistant print cartridges 8, negative pressure line mainly is made up of two position three- way valve 31,32, negative pressure cavity 3, flow-limiting valve 4, vavuum pump 2, vacuum table 6 and B/P EGR Back Pressure Transducer EGR 7; Press black pipeline mainly to form by two position three-way valve 33, flow-limiting valve 5 and compression pump 1.
Described assistant print cartridges 8 is connected with negative pressure cavity 3 by two position three-way valve 34, and its connected mode is that an import of this two position three-way valve 34 connects described negative pressure cavity 3, and another import connects presses black pipeline, and the outlet of two position three-way valve 34 connects described assistant print cartridges 8.Negative pressure cavity 3 is connected with vavuum pump 2 by two position three-way valve 31, its connected mode is that the import of this two position three-way valve 31 connects described negative pressure cavity 2, the air source is connected in another import, and the outlet of two position three-way valve 31 connects the import of described vavuum pump 2, and the outlet of vavuum pump 2 and air source are connected.Negative pressure cavity 3 is connected by two position three-way valve 32 and air source, and its connected mode is that the import of this two position three-way valve 32 connects described air source, and an outlet of two position three-way valve 32 connects described negative pressure cavity 3, and another import connects the air source.Also be connected with a flow-limiting valve 4 between described two position three-way valve 32 and the air source, 4 cushioning effects of flow-limiting valve, when avoiding two position three-way valve 32 to open, negative pressure cavity 3 is directly connected with the air source, causes that negative pressure cavity 3 interior negative pressure sharply descend.The connected mode of the black pipeline of described pressure is that the import of two position three-way valve 33 is connected with the outlet of described compression pump 1, and 33 1 outlets of two position three-way valve connect the air source, and another outlet connects an import of two position three-way valve 34; The import of described compression pump 1 connects the air source.Also be connected with a flow-limiting valve 5 between the outlet of described compression pump 1 and the two position three-way valve 33, be used for regulating the pressure of mediation shower nozzle, when pressing ink system to avoid two position three-way valve 34 to connect, after two position three-way valve 33 is opened, shower nozzle is by assistant print cartridges 8 direct and compression pump 1 connections, pressure is excessive when causing pressing China ink, the damage shower nozzle.Also be connected with a B/P EGR Back Pressure Transducer EGR 7 and a vacuum table 6 on the negative pressure line, vacuum table 6 works to show negative pressure value in the negative pressure cavity that B/P EGR Back Pressure Transducer EGR 7 is used to detect the negative pressure value of negative pressure system.
The control flow chart of negative pressure system of the present invention as shown in Figure 3, when occurring the spray nozzle obstruction in the printing of inkjet printer process, by control system control two position three- way valve 34,33 assistant print cartridges 8 is connected with pressing black pipeline, compression pump 1 work, in assistant print cartridges 8, execute malleation and force ink to extrude spray nozzle, thus the mediation spray nozzle.After pressing China ink to finish, compression pump 1 quits work, and two position three-way valve 33 switches to the venting of air source; After venting finished, two position three-way valve 33 switches to pressed black pipeline, and two position three-way valve 34 switches to negative pressure line, thereby the atmosphere that prevents to be dredged in the shower nozzle is transferred to other shower nozzles, avoids other shower nozzles to drip China ink downwards.After the shower nozzle mediation, printer works on, and control system by the duty of control two position three- way valve 31,32 and vavuum pump 2, is accurately controlled the negative pressure value of negative pressure system according to the value of feedback of B/P EGR Back Pressure Transducer EGR 7, and its accuracy can reach ± 0.05Kpa; When B/P EGR Back Pressure Transducer EGR 7 detects negative pressure value in the negative pressure line less than default negative pressure value, vavuum pump 2 work, two position three-way valve 32 is closed, and two position three-way valve 31 is opened, and vavuum pump 2 is taken the part air away to improve negative pressure in the negative pressure cavity 3; When B/P EGR Back Pressure Transducer EGR detected negative pressure value in the negative pressure line greater than default negative pressure value, vavuum pump 2 quit work, and two position three-way valve 32 is opened, and two position three-way valve 31 is closed, and reduces negative pressure in the negative pressure cavity 3 by advancing portion of air.Thereby the realization assistant print cartridges is avoided the excessive ink suck-back that causes of negative pressure system negative pressure to continuous, stable, quick, an amount of ink supply of shower nozzle, guarantees the components and parts safety of negative pressure system, improves the stable of ink-jet printer negative pressure system.
Embodiment two
The number of assistant print cartridges can design as required in the ink-jet printer negative pressure system of the present invention, after all assistant print cartridges parallel connections with described negative pressure line with press black pipeline to connect and can realize above-mentioned functions.Present embodiment is a kind of 81,82,83,84,85,86 and one groups of ink-jet printer negative pressure systems of pressing black pipeline of black, blue or green, pinkish red, yellow, light greenish blue, light pinkish red six groups of assistant print cartridges that are provided with, the negative pressure system wherein and the control method of negative pressure are identical with structure among the embodiment 1, as shown in Figure 2, connect with negative pressure line and the black pipeline of pressure after six groups of assistant print cartridges 81-86 parallel connection, by the control to two position three-way valve 811,821,831,841,851,861,33, assistant print cartridges 81-86 can and press between the black pipeline in negative pressure line and switch.811-861 is in closed condition when two position three-way valve, and when two position three-way valve 33 was in open mode, assistant print cartridges box 9 was connected with pressing black pipeline, and ink-jet printer begins shower nozzle is pressed China ink work.811-861 is in open mode when two position three-way valve, and when two position three-way valve 33 was in closed condition, assistant print cartridges 81-86 and negative pressure line were connected, and assistant print cartridges 81-86 begins to the shower nozzle ink supply, and ink-jet printer carries out normal print job.Two position three-way valve 811-861 can control separately, and the operator only need reach by the two position three-way valve that control is connected with each shower nozzle and the control of connecting the two position three-way valve 33 of pressing black pipeline, presses China ink to stopping up shower nozzle targetedly, dredges and stops up shower nozzle.
Ink-jet printer negative pressure system of the present invention is simple in structure, easy to operate, and negative regulation makes pressure port both can produce malleation by the control to two position three-way valve, also can produce negative pressure.When shower nozzle and negative pressure line connection, this negative pressure makes the shower nozzle that links to each other with assistant print cartridges carry out normal ink-jet, realizes the control to shower nozzle ink supply point; When shower nozzle was connected with the black pipeline of pressure, this malleation was used for the ink in the inkjet printer head nozzle is extruded, the mediation shower nozzle.Negative pressure system of the present invention can accurately be controlled the negative pressure value of negative pressure system to the control of valve and vavuum pump by software control system, guarantee that its negative pressure is in the safe working range, realize that assistant print cartridges is to continuous, stable, quick, an amount of ink supply of shower nozzle, prevent that the excessive China ink of the excessive assistant print cartridges of negative pressure system negative pressure from causing components and parts to damage, and improves the job stability of ink-jet printer.
It is to be noted and any distortion of making according to the specific embodiment of the present invention all do not break away from the scope that spirit of the present invention and claim are put down in writing.
Claims (10)
1. ink-jet printer negative pressure system, comprise negative pressure cavity, vavuum pump, assistant print cartridges and control system, it is characterized in that, described negative pressure cavity respectively by first valve, second valve and the 3rd valve with vavuum pump, the air source is corresponding with assistant print cartridges links to each other, first valve inlet and second valve export are connected to negative pressure cavity, negative pressure cavity also inserts assistant print cartridges by the 3rd valve, also is connected with a B/P EGR Back Pressure Transducer EGR that is used for monitoring the negative pressure value of negative pressure cavity and sends signal to control system on the negative pressure cavity; Control system is according to signal controlling first valve, second valve, the 3rd valve open or the closure of B/P EGR Back Pressure Transducer EGR feedback, control negative pressure cavity is vacuumized or in negative pressure cavity input air, to adjust vacuum magnitude in the negative pressure cavity.
2. ink-jet printer negative pressure system as claimed in claim 1, it is characterized in that, described negative pressure system is connected with one and presses ink system, comprise compression pump and the 4th valve, compression pump links to each other by the 3rd valve that the 4th valve is connected with assistant print cartridges, by controlling opening or closure of described the 4th valve and the 3rd valve, realize the switching of negative pressure system and pressure ink system.
3. ink-jet printer negative pressure system as claimed in claim 1 is characterized in that described negative pressure cavity also is connected with a vacuum table.
4. ink-jet printer negative pressure system as claimed in claim 1 is characterized in that, also is connected with a flow-limiting valve between described second valve and the air source.
5. ink-jet printer negative pressure system as claimed in claim 4 is characterized in that, also is connected with a flow-limiting valve between described the 4th valve and the compression pump.
6. ink-jet printer negative pressure system as claimed in claim 2, it is characterized in that, described first valve, second valve, the 3rd valve and the 4th valve are two-position three way magnetic valve, an import of described first valve connects described negative pressure cavity, another import connects the air source, the outlet of described first valve connects the import of described vavuum pump, an import of described second valve connects described negative pressure cavity, another import connects described air source, the outlet of described second valve is connected with atmosphere, an import of described the 3rd valve connects described negative pressure cavity, another import links to each other with an outlet of described the 4th valve, the outlet of described the 3rd valve links to each other with described assistant print cartridges, and an import of described the 4th valve links to each other with described pressure delivery side of pump, and another outlet links to each other with atmosphere.
7. ink-jet printer negative pressure system as claimed in claim 1 is characterized in that, the number of described assistant print cartridges can determine according to actual needs that each assistant print cartridges correspondence is connected with described the 3rd valve, back in parallel and described negative pressure cavity polyphone.
8. the negative pressure control method of an employing such as each described ink-jet printer negative pressure system of claim 1-7, be specially: the work negative pressure of negative pressure system is by the negative pressure value of control system according to the B/P EGR Back Pressure Transducer EGR feedback, the negative pressure of negative pressure system is accurately controlled in the energising or the outage of closure or openness and vavuum pump by by-pass valve control.
9. the control method of ink-jet printer negative pressure system as claimed in claim 8, it is characterized in that, when described control system detects in the negative pressure cavity negative pressure value and is higher than setting value, open second valve, close first valve, vavuum pump is quit work, enter air in the negative pressure cavity to reduce negative pressure value in the negative pressure cavity; When described control system detects in the negative pressure cavity negative pressure value and is lower than setting value, close second valve, open first valve, start vavuum pump work, take the part air away increasing negative pressure value in the negative pressure cavity, thereby realize the negative regulation of negative pressure system.
10. the control method of ink-jet printer negative pressure system as claimed in claim 8, it is characterized in that when need were realized shower nozzle pressure China ink, described control system was controlled the 3rd valve and switched to the pressure ink system, control the switching of the 4th valve and be connected to compression pump pipeline, starting pressure pump work.
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| CN200910235599A CN101695883A (en) | 2009-09-29 | 2009-09-29 | Negative pressure system for nozzle of ink-jet printer and negative pressure control method thereof |
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| CN200910235599A CN101695883A (en) | 2009-09-29 | 2009-09-29 | Negative pressure system for nozzle of ink-jet printer and negative pressure control method thereof |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102001230A (en) * | 2010-10-12 | 2011-04-06 | 玉环迪元自动化设备有限公司 | Ink spraying mechanism |
| CN102343720A (en) * | 2010-08-06 | 2012-02-08 | 北京美科艺数码科技发展有限公司 | Automatic detection method of ink-jet-printer negative pressure system |
| CN102501603A (en) * | 2011-10-11 | 2012-06-20 | 江苏锐毕利实业有限公司 | System and method for stabilizing negative ink-supplying pressure for spray printing of rigid printed circuit board |
| CN102555501A (en) * | 2011-12-21 | 2012-07-11 | 深圳市润天智数字设备股份有限公司 | Automatic negative pressure adjusting system and method |
| CN102848727A (en) * | 2011-06-30 | 2013-01-02 | 株式会社御牧工程 | Ink jet recording apparatus |
| CN103287107A (en) * | 2012-02-28 | 2013-09-11 | 北京美科艺数码科技发展有限公司 | Ink-supply control system fault automatic detection method for ink-jet printer |
| CN106585132A (en) * | 2016-11-07 | 2017-04-26 | 宁波法赫施标识科技有限公司 | FWS fault detection and early warning system |
| CN106626790A (en) * | 2016-11-07 | 2017-05-10 | 宁波法赫施标识科技有限公司 | Full automatic function control module of jet head ink path system |
| CN106853689A (en) * | 2017-01-19 | 2017-06-16 | 宁夏共享模具有限公司 | The positive/negative-pressure ink feeding system and its method of work of a kind of 3D printing equipment |
| CN106945408A (en) * | 2017-03-29 | 2017-07-14 | 中国人民解放军95959部队装备部 | Vertical type curved face sprayed printed system |
| CN107128078A (en) * | 2017-05-26 | 2017-09-05 | 深圳诚拓数码设备有限公司 | The positive and negative pressure control system of print cartridge |
| CN107571631A (en) * | 2016-07-05 | 2018-01-12 | 上海联点信息科技有限公司 | A kind of automatic cleaning sprayer device |
| CN109177496A (en) * | 2018-09-27 | 2019-01-11 | 珠海赛纳打印科技股份有限公司 | Negative pressure control apparatus, negative pressure control method and printing device |
| CN110014746A (en) * | 2019-05-08 | 2019-07-16 | 深圳市微特智能系统有限公司 | A kind of servo ink feeding system of industrial printer |
| CN110271285A (en) * | 2018-02-26 | 2019-09-24 | 陈胤 | Air-path control system and control method, ink-jet printer, storage medium, operating system |
| CN113600357A (en) * | 2021-08-09 | 2021-11-05 | 广东思谷智能技术有限公司 | Ink supply system with inlet and outlet nozzles |
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| CN102343720A (en) * | 2010-08-06 | 2012-02-08 | 北京美科艺数码科技发展有限公司 | Automatic detection method of ink-jet-printer negative pressure system |
| WO2012016540A1 (en) * | 2010-08-06 | 2012-02-09 | 北京美科艺数码科技发展有限公司 | Auto inspection method for inkjet printer negative pressure system |
| CN102001230B (en) * | 2010-10-12 | 2014-12-03 | 玉环迪元自动化设备有限公司 | Ink spraying mechanism |
| CN102001230A (en) * | 2010-10-12 | 2011-04-06 | 玉环迪元自动化设备有限公司 | Ink spraying mechanism |
| CN102848727A (en) * | 2011-06-30 | 2013-01-02 | 株式会社御牧工程 | Ink jet recording apparatus |
| CN102848727B (en) * | 2011-06-30 | 2015-05-27 | 株式会社御牧工程 | Ink jet recording apparatus |
| CN102501603A (en) * | 2011-10-11 | 2012-06-20 | 江苏锐毕利实业有限公司 | System and method for stabilizing negative ink-supplying pressure for spray printing of rigid printed circuit board |
| CN102555501B (en) * | 2011-12-21 | 2015-09-30 | 深圳市润天智数字设备股份有限公司 | A kind of automatic negative pressure adjusting system and method |
| CN102555501A (en) * | 2011-12-21 | 2012-07-11 | 深圳市润天智数字设备股份有限公司 | Automatic negative pressure adjusting system and method |
| CN103287107B (en) * | 2012-02-28 | 2015-08-19 | 北京美科艺数码科技发展有限公司 | A kind of ink-jet printer ink-providing control system failure automatic detection method |
| CN103287107A (en) * | 2012-02-28 | 2013-09-11 | 北京美科艺数码科技发展有限公司 | Ink-supply control system fault automatic detection method for ink-jet printer |
| CN107571631A (en) * | 2016-07-05 | 2018-01-12 | 上海联点信息科技有限公司 | A kind of automatic cleaning sprayer device |
| CN106585132A (en) * | 2016-11-07 | 2017-04-26 | 宁波法赫施标识科技有限公司 | FWS fault detection and early warning system |
| CN106626790A (en) * | 2016-11-07 | 2017-05-10 | 宁波法赫施标识科技有限公司 | Full automatic function control module of jet head ink path system |
| CN106853689A (en) * | 2017-01-19 | 2017-06-16 | 宁夏共享模具有限公司 | The positive/negative-pressure ink feeding system and its method of work of a kind of 3D printing equipment |
| CN106945408A (en) * | 2017-03-29 | 2017-07-14 | 中国人民解放军95959部队装备部 | Vertical type curved face sprayed printed system |
| CN106945408B (en) * | 2017-03-29 | 2019-05-03 | 中国人民解放军95959部队装备部 | Vertical type curved face sprayed printed system |
| CN107128078A (en) * | 2017-05-26 | 2017-09-05 | 深圳诚拓数码设备有限公司 | The positive and negative pressure control system of print cartridge |
| CN110271285A (en) * | 2018-02-26 | 2019-09-24 | 陈胤 | Air-path control system and control method, ink-jet printer, storage medium, operating system |
| CN109177496A (en) * | 2018-09-27 | 2019-01-11 | 珠海赛纳打印科技股份有限公司 | Negative pressure control apparatus, negative pressure control method and printing device |
| CN109177496B (en) * | 2018-09-27 | 2024-02-20 | 珠海赛纳三维科技有限公司 | Negative pressure control device, negative pressure control method and printing equipment |
| CN110014746A (en) * | 2019-05-08 | 2019-07-16 | 深圳市微特智能系统有限公司 | A kind of servo ink feeding system of industrial printer |
| CN113600357A (en) * | 2021-08-09 | 2021-11-05 | 广东思谷智能技术有限公司 | Ink supply system with inlet and outlet nozzles |
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Application publication date: 20100421 |