CN211808469U - Negative pressure and ink pressing control system for spray head of ink-jet printer - Google Patents
Negative pressure and ink pressing control system for spray head of ink-jet printer Download PDFInfo
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- CN211808469U CN211808469U CN201922199839.3U CN201922199839U CN211808469U CN 211808469 U CN211808469 U CN 211808469U CN 201922199839 U CN201922199839 U CN 201922199839U CN 211808469 U CN211808469 U CN 211808469U
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Abstract
The utility model provides an ink jet printer shower nozzle negative pressure and pressure china ink control system. The ink-jet printer nozzle negative pressure and ink pressing control system comprises a vacuum generator; the two-way electromagnetic valve I is connected with the vacuum generator; the first negative pressure buffer tank is connected with the first two-way electromagnetic valve; the first current limiting valve is respectively connected with the vacuum generator and the first two-way electromagnetic valve; and the negative pressure buffer tank II is connected with the negative pressure buffer tank I. The utility model provides an ink jet printer shower nozzle negative pressure and pressure china ink control system have and to realize that the negative pressure is quick, stable adjustable, and the negative pressure precision is high, is connected with malleation sensor and restriction valve simultaneously on the pressure china ink system and is used for keeping watch on and control pressure china ink pressure, prevents to press the too high time damage shower nozzle of china ink pressure, the too low time unable fine washing and evacuation shower nozzle's advantage again.
Description
Technical Field
The utility model relates to an ink jet printing technical field especially relates to an ink jet printer shower nozzle negative pressure and pressure china ink control system.
Background
In the existing industrial nozzle printer, the installation height of the nozzle is lower than that of the secondary ink box, ink flows into the nozzle from the secondary ink box due to the action of gravity, if negative pressure does not exist or is too small, the action of gravity on the ink cannot be counteracted, and the ink can drip from the bottom of the nozzle and cannot be printed; if the negative pressure is too large, the ink in the nozzle flows backwards, the ink supply of the secondary ink box is interrupted, the nozzle can not spray ink, the printing quality is seriously influenced, in order to ensure excellent printing quality, the secondary ink box is required to supply ink to the nozzle quickly, stably and continuously, and therefore the negative pressure system has a vital influence on the printing quality, the existing negative pressure system is not accurate enough, and the problems of too large and too small negative pressure are easily caused, so that the printing problem is caused.
Therefore, there is a need to provide a new ink jet printer head negative pressure and ink pressure control system to solve the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a can realize that the negative pressure is quick, stable adjustable, the negative pressure precision is high, is connected with malleation sensor and restriction valve simultaneously on the pressure china ink system and is used for keeping watch on and control pressure china ink pressure, prevents to press the too high time damage shower nozzle of china ink pressure, can't fine washing again when crossing low and the inkjet printer shower nozzle negative pressure and the pressure china ink control system of evacuation shower nozzle.
In order to solve the technical problem, the utility model provides an ink jet printer shower nozzle negative pressure and pressure china ink control system includes: a vacuum generator; the two-way electromagnetic valve I is connected with the vacuum generator; the first negative pressure buffer tank is connected with the first two-way electromagnetic valve; the first current limiting valve is respectively connected with the vacuum generator and the first two-way electromagnetic valve; the negative pressure buffer tank II is connected with the negative pressure buffer tank I; the three-way electromagnetic valve is connected with the negative pressure buffer tank II; the second-stage ink box is connected with the three-way electromagnetic valve; the two-way electromagnetic valve II is connected with the negative pressure buffer tank I; the second current limiting valve is connected with the two-way electromagnetic valve II; the positive pressure buffer tank is connected with the three-way electromagnetic valve; the third current limiting valve is connected with the positive pressure buffer tank; and the positive pressure generator is connected with the three phases of the flow limiting valve.
Preferably, the second negative pressure buffer tank is connected with a negative pressure sensor.
Preferably, the second-stage ink box is provided with a spray head, and the spray head is connected with the second-stage ink box.
Preferably, the first flow limiting valve is connected with an atmospheric air source.
Preferably, the second flow limiting valve is connected with an atmospheric air source.
Preferably, the third flow limiting valve is connected with an atmospheric air source.
Compared with the prior art, the utility model provides an ink jet printer shower nozzle negative pressure and pressure china ink control system has following beneficial effect:
the utility model provides an ink-jet printer nozzle negative pressure and ink pressing control system, which can realize quick, stable and adjustable negative pressure, high negative pressure precision, and negative pressure control within plus or minus 0.1 Pa; meanwhile, the ink pressing system is connected with a positive pressure sensor and a flow limiting valve for monitoring and controlling ink pressing pressure, so that the spray head is prevented from being damaged when the ink pressing pressure is too high, and the spray head cannot be well cleaned and emptied when the ink pressing pressure is too low.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a negative pressure and ink-pressing control system for a nozzle of an inkjet printer according to the present invention.
Reference numbers in the figures: 1. the device comprises a vacuum generator, 2, a first flow limiting valve, 3, a first two-way electromagnetic valve, 4, a first negative pressure buffer tank, 5, a second negative pressure buffer tank, 6, a negative pressure sensor, 7, a three-way electromagnetic valve, 8, a second-stage ink box, 9, a sprayer, 10, a second two-way electromagnetic valve, 11, a second flow limiting valve, 12, a positive pressure buffer tank, 13, a third flow limiting valve, 14 and a positive pressure generator.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a negative pressure and ink pressure control system for a nozzle of an inkjet printer according to a preferred embodiment of the present invention. The ink jet printer nozzle negative pressure and ink pressing control system comprises: a vacuum generator 1; the two-way electromagnetic valve I3 is connected with the vacuum generator 1; the negative pressure buffer tank I4 is connected with the two-way electromagnetic valve I3; the first current limiting valve 2 is connected with the vacuum generator 1 and the first two-way electromagnetic valve 3 respectively; the negative pressure buffer tank II 5 is connected with the negative pressure buffer tank I4; the three-way electromagnetic valve 7 is connected with the negative pressure buffer tank II 5; the secondary ink box 8 is connected with the three-way electromagnetic valve 7; the two-way electromagnetic valve II 10 is connected with the negative pressure buffer tank I4; the second current limiting valve 11, the second current limiting valve 11 is connected with the second two-way electromagnetic valve 10; the positive pressure buffer tank 12 is connected with the three-way electromagnetic valve 7; the third flow limiting valve 13, the third flow limiting valve 13 is connected with the positive pressure buffer tank 12; and the positive pressure generator 14 is connected with the third flow limiting valve 13, and the positive pressure generator 14 is connected with the third flow limiting valve 13.
And the second negative pressure buffer tank 5 is connected with a negative pressure sensor 6.
And a spray head 9 is arranged on the secondary ink box 8, and the spray head 9 is connected with the secondary ink box 9.
The first flow limiting valve 2 is connected with an atmospheric air source.
And the second flow limiting valve 11 is connected with an atmospheric air source.
And the third flow limiting valve 13 is connected with an atmospheric air source.
The utility model provides an ink jet printer shower nozzle negative pressure and pressure china ink control system's theory of operation as follows:
the positive pressure generator 14 can monitor the ink pressing pressure, the other end of the positive pressure buffer tank 12 is connected with the positive pressure generator 14, and the flow limiting valve III 13 is connected between the positive pressure generator and the flow limiting valve III to control the positive pressure, and the system can realize the switching of the negative pressure system and the ink pressing system by controlling the switching of the three-way electromagnetic valve 13;
a negative pressure sensor 6 connected to a negative pressure buffer tank II 5 provides a pressure signal to a control system, the control system controls the switch of a relevant electromagnetic valve and a mechanism through the feedback of the pressure signal to realize the accurate control of the pressure, when the negative pressure is too low, the negative pressure sensor 6 sends a negative pressure too low signal to the control system, the control system immediately opens the two-way electromagnetic valve I3 and the vacuum generator 1, simultaneously closes the two-way electromagnetic valve II 10, the air in the negative pressure buffer tank is pumped away, the negative pressure value is improved, when the negative pressure value reaches a preset value, the negative pressure sensor 6 sends a negative pressure normal signal to the control system, the control system closes the two-way electromagnetic valve I3, the vacuum generator 1 and the two-way electromagnetic valve II 10 to keep the pressure of the negative pressure buffer tank, when the negative pressure is too high, the negative pressure sensor 6 sends a negative pressure too high type to the control system, the control system immediately opens the two, meanwhile, the first two-way electromagnetic valve 3 is closed, air is supplemented into the negative pressure buffer tank, the negative pressure value is reduced, when the negative pressure value reaches a preset value, the negative pressure sensor 6 sends a signal that the negative pressure is normal to the control system, and the control system closes the first two-way electromagnetic valve 3, the vacuum generator 1 and the second two-way electromagnetic valve 10 to keep the pressure of the negative pressure buffer tank;
when needing to press the china ink, control system control three-way valve 7 switches to the pressure china ink system, starts positive pressure generator 14 and presses the china ink to the shower nozzle, presses the china ink and accomplishes the back, and the system stops positive pressure generator 14, then waits for the pressure release in positive pressure surge tank 12, then controls three solenoid valve 7 and switches to negative pressure system, and this kind of mode can prevent the impact of positive pressure system to negative pressure system, improves negative pressure system's stability.
Compared with the prior art, the utility model provides an ink jet printer shower nozzle negative pressure and pressure china ink control system has following beneficial effect:
the utility model provides an ink jet printer shower nozzle negative pressure and pressure china ink control system can realize through this ink jet printer shower nozzle negative pressure and pressure china ink control system that the negative pressure is quick, stable adjustable, and the negative pressure precision is high, and the negative pressure is steerable at 0.1 Pa. Meanwhile, the ink pressing system is connected with a positive pressure sensor and a flow limiting valve for monitoring and controlling ink pressing pressure, so that the spray head is prevented from being damaged when the ink pressing pressure is too high, and the spray head cannot be well cleaned and emptied when the ink pressing pressure is too low.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an ink jet printer shower nozzle negative pressure and pressure china ink control system which characterized in that includes:
a vacuum generator;
the two-way electromagnetic valve I is connected with the vacuum generator;
the first negative pressure buffer tank is connected with the first two-way electromagnetic valve;
the first current limiting valve is respectively connected with the vacuum generator and the first two-way electromagnetic valve;
the negative pressure buffer tank II is connected with the negative pressure buffer tank I;
the three-way electromagnetic valve is connected with the negative pressure buffer tank II;
the second-stage ink box is connected with the three-way electromagnetic valve;
the two-way electromagnetic valve II is connected with the negative pressure buffer tank I;
the second current limiting valve is connected with the two-way electromagnetic valve II;
the positive pressure buffer tank is connected with the three-way electromagnetic valve;
the third current limiting valve is connected with the positive pressure buffer tank;
and the positive pressure generator is connected with the three phases of the flow limiting valve.
2. The system of claim 1, wherein a negative pressure sensor is connected to the second buffer tank.
3. The system of claim 1, wherein the secondary cartridge has a nozzle connected to the secondary cartridge.
4. The ink jet printer head suction and inking control system according to claim 1, wherein said first flow restriction valve is connected to an atmospheric air supply.
5. The ink jet printer head suction and inking control system according to claim 1, wherein said second flow restriction valve is connected to an atmospheric air supply.
6. The ink jet printer head suction and inking control system according to claim 1, wherein said flow restriction valve three is connected to an atmospheric air supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199839.3U CN211808469U (en) | 2019-12-10 | 2019-12-10 | Negative pressure and ink pressing control system for spray head of ink-jet printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922199839.3U CN211808469U (en) | 2019-12-10 | 2019-12-10 | Negative pressure and ink pressing control system for spray head of ink-jet printer |
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| CN211808469U true CN211808469U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922199839.3U Active CN211808469U (en) | 2019-12-10 | 2019-12-10 | Negative pressure and ink pressing control system for spray head of ink-jet printer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339431A (en) * | 2020-11-05 | 2021-02-09 | 武汉数字化设计与制造创新中心有限公司 | Ink-jet printing multi-nozzle ink path air pressure control system and application |
| CN114673933A (en) * | 2022-04-06 | 2022-06-28 | 浙江普崎数码科技有限公司 | High-precision stepped negative pressure control system and control method thereof |
-
2019
- 2019-12-10 CN CN201922199839.3U patent/CN211808469U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112339431A (en) * | 2020-11-05 | 2021-02-09 | 武汉数字化设计与制造创新中心有限公司 | Ink-jet printing multi-nozzle ink path air pressure control system and application |
| CN112339431B (en) * | 2020-11-05 | 2022-06-07 | 武汉国创科光电装备有限公司 | Ink-jet printing multi-nozzle ink path air pressure control system and application |
| CN114673933A (en) * | 2022-04-06 | 2022-06-28 | 浙江普崎数码科技有限公司 | High-precision stepped negative pressure control system and control method thereof |
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