CN214873630U - Ink supply system - Google Patents
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- CN214873630U CN214873630U CN202121176350.5U CN202121176350U CN214873630U CN 214873630 U CN214873630 U CN 214873630U CN 202121176350 U CN202121176350 U CN 202121176350U CN 214873630 U CN214873630 U CN 214873630U
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Abstract
The utility model discloses an ink supply system, relate to the inkjet printing technology field, solve the easy dry technical problem of shower nozzle surface ink, the system includes thermal foaming shower nozzle, still include the one-level ink horn, low liquid level second grade ink horn, high liquid level second grade ink horn, the ink return hole of thermal foaming shower nozzle connects gradually high liquid level second grade ink horn through the pipeline, the one-level ink horn, low liquid level second grade ink horn, the ink inlet hole of thermal foaming shower nozzle forms the return circuit, the one-level ink horn, be equipped with first china ink pump on the pipeline between the low liquid level second grade ink horn, the one-level ink horn, be equipped with second china ink pump on the pipeline between the high liquid level second grade ink horn, the surface ratio of thermal foaming shower nozzle is than the liquid level of high liquid level second grade ink horn and is low first setting value, the liquid level of low liquid level second grade ink horn is higher than the liquid level of high liquid level second grade ink horn and is the second setting value. The utility model discloses a liquid level difference between low liquid level second grade ink horn and the high liquid level second grade ink horn makes the ink at the inside degree of getting up that flows of hot foaming shower nozzle, can effectively solve the easy dry problem of shower nozzle surface ink.
Description
Technical Field
The utility model relates to an inkjet printing technology field, more specifically say, it relates to an ink supply system.
Background
The ink-jet printer generally adopts a thermal foaming ink-jet technology, and the ink is jetted to printing paper to form ink dots by heating, expanding and compressing the ink in a short time, so that the stability of the color of ink drops is improved, and high-speed and high-quality printing is realized. The principle of thermal bubble inkjet printing is to fill the ink into a very small capillary tube and rapidly heat the ink to the boiling point through a miniature heating pad. This creates a very small vapor bubble which expands to eject a drop of ink onto the tip of the capillary tube. The heating is stopped and the ink cools, causing the vapor to condense and contract, thereby stopping ink flow until the next time vapor is again generated and an ink drop is created.
The existing thermal foaming nozzle ink supply equipment supplies ink when in use and stops supplying ink when not in use, so that ink on the surface of the nozzle is easy to dry, and the printing quality is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, the utility model aims at providing an ink supply system that can solve the easy dry problem of ink.
The technical scheme of the utility model is that: the utility model provides an ink supply system, includes the thermal foaming shower nozzle, still includes one-level ink horn, low liquid level second grade ink horn, high liquid level second grade ink horn, the hole of returning the china ink of thermal foaming shower nozzle connects gradually through the pipeline high liquid level second grade ink horn, one-level ink horn, low liquid level second grade ink horn, the hole of advancing china ink of thermal foaming shower nozzle form the return circuit, be equipped with first china ink pump on the pipeline between one-level ink horn, the low liquid level second grade ink horn, be equipped with second china ink pump on the pipeline between one-level ink horn, the high liquid level second grade ink horn, the surface ratio of thermal foaming shower nozzle the low first setting value of liquid level of high liquid level second grade ink horn, the liquid level of low liquid level second grade ink horn is compared the high second setting value of liquid level second grade ink horn.
As a further improvement, the first set value is 320-360 mm.
Further, the second set value is 100-140 mm.
Furthermore, a first filter is arranged on a pipeline between the primary ink box and the first ink pump.
Furthermore, a second filter is arranged on a pipeline between the primary ink box and the second ink pump.
Further, the air inlet of the low-liquid-level secondary ink box is provided with a first one-way negative pressure control box.
Further, the air inlet of the high-liquid-level secondary ink box is provided with a second one-way negative pressure control box.
The ink box is characterized by further comprising a collecting cover corresponding to an ink jet port of the thermal foaming sprayer, the collecting cover is connected with an ink inlet of the high-liquid-level secondary ink box through a recovery pipe, a tee joint connected with the pipeline is arranged at an outlet of the first ink pump, a flushing pipe connected with an ink inlet of the thermal foaming sprayer is arranged at one end of the tee joint, a first control valve is arranged on the pipeline between the first ink pump and the low-liquid-level secondary ink box, and a second control valve is arranged on the flushing pipe.
Further, a degassing mechanism is arranged on a pipeline between the first filter and the first ink pump and comprises a horizontal pipe, the top of the horizontal pipe is communicated with an inverted U-shaped pipe, and an exhaust valve is arranged at the highest point of the inverted U-shaped pipe.
Advantageous effects
Compared with the prior art, the utility model, the advantage that has does:
the utility model discloses a liquid level difference between low liquid level second grade ink horn and the high liquid level second grade ink horn makes the ink in the inside degree of getting up that flows of hot foaming shower nozzle, can effectively solve the easy dry problem of shower nozzle surface ink, guarantees the stable quality of printing.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
fig. 3 is a schematic structural diagram of the degassing mechanism of the present invention.
Wherein: 1-thermal foaming nozzle, 2-first-stage ink box, 3-low-liquid-level second-stage ink box, 4-high-liquid-level second-stage ink box, 5-pipeline, 6-first ink pump, 7-second ink pump, 8-first filter, 9-second filter, 10-first single-path negative pressure control box, 11-second single-path negative pressure control box, 12-collection cover, 13-recovery pipe, 14-three-way joint, 15-flushing pipe, 16-first control valve, 17-second control valve, 18-degassing mechanism, 19-horizontal pipe, 20-inverted U-shaped pipe and 21-exhaust valve.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Example 1
Referring to fig. 1, an ink supply system comprises a thermal foaming nozzle 1, and further comprises a first-level ink box 2, a second-level ink box 3 with a low liquid level, and a second-level ink box 4 with a high liquid level, wherein an ink return hole of the thermal foaming nozzle 1 is sequentially connected with the second-level ink box 4 with a high liquid level, the first-level ink box 2, the second-level ink box 3 with a low liquid level, and an ink inlet hole of the thermal foaming nozzle 1 through a pipeline 5 to form a loop. The first-level ink box 2 is used for storing ink, and a first ink pump 6 is arranged on a pipeline 5 between the first-level ink box 2 and the low-liquid-level second-level ink box 3 and used for supplying ink to the low-liquid-level second-level ink box 3. And a second ink pump 7 is arranged on the pipeline 5 between the first-level ink box 2 and the high-liquid-level second-level ink box 4 and is used for pumping away redundant ink in the high-liquid-level second-level ink box 4. The surface of the thermal foaming nozzle 1 is lower than the liquid level of the high-liquid-level secondary ink box 4 by a first set value, and the liquid level of the low-liquid-level secondary ink box 3 is higher than the liquid level of the high-liquid-level secondary ink box 4 by a second set value. The first set value is 320-360 mm, the second set value is 100-140 mm, and the ink can flow among the low liquid level secondary ink box 3, the thermal foaming nozzle 1 and the high liquid level secondary ink box 4. Preferably, the first set value is 340mm, and the second set value is 120 mm.
The utility model can work as follows, and the ink flows in the thermal foaming spray head 1 through the liquid level difference between the low liquid level second-stage ink box 3 and the high liquid level second-stage ink box 4; when the distance between the liquid level in the low-liquid-level secondary ink box 3 and the surface of the thermal foaming nozzle 1 is smaller than the first set value and the second set value, ink is supplemented through the first ink pump 6; when the distance between the liquid level in the high-liquid-level secondary ink box 4 and the surface of the thermal foaming nozzle 1 is larger than a first set value, the redundant ink is pumped away through the second ink pump 7. The liquid level difference between the low-liquid-level two-stage ink box and the high-liquid-level two-stage ink box enables ink to flow in the thermal foaming nozzle, so that the problem that ink on the surface of the nozzle is easy to dry can be effectively solved, and the printing quality stability is ensured.
Be equipped with first filter 8 on the pipeline 5 between one-level ink horn 2, the first ink pump 6, be equipped with second filter 9 on the pipeline 5 between one-level ink horn 2, the second ink pump 7, can filter the impurity in the ink, prevent that impurity from blockking hot foaming shower nozzle 1 and pipeline 5.
The air inlet of low liquid level second grade ink horn 3 is equipped with first one way negative pressure control box 10, and the air inlet of high liquid level second grade ink horn 4 is equipped with second one way negative pressure control box 11 for the negative pressure in control low liquid level second grade ink horn 3 and the high liquid level second grade ink horn 4, in order to maintain thermal foaming shower nozzle 1 at the siphon effect of working process and prevent to drip the china ink. The first single-way negative pressure control box 10 and the second single-way negative pressure control box 11 adopt existing mature products.
Example 2
Referring to fig. 2 and 3, the system further includes a collecting cover 12 corresponding to the ink jet port of the thermal foaming nozzle 1, the collecting cover 12 is connected to the ink inlet of the high-liquid-level secondary ink cartridge 4 through a recovery pipe 13, a three-way joint 14 connected to the pipeline 5 is arranged at the outlet of the first ink pump 6, a flushing pipe 15 connected to the ink inlet of the thermal foaming nozzle 1 is arranged at one end of the three-way joint 14, a first control valve 16 is arranged on the pipeline 5 between the first ink pump 6 and the low-liquid-level secondary ink cartridge 3, and a second control valve 17 is arranged on the flushing pipe 15. When the thermal foaming nozzle 1 is blocked or regularly washed, the collecting cover 12 covers the ink jetting port of the thermal foaming nozzle 1, the first control valve 16 is closed, the second control valve 17 and the first ink pump 6 are opened, the thermal foaming nozzle 1 is washed by ink, and after the washing is finished, the first control valve 16 is opened, and the second control valve 17 is closed.
The pipeline 5 between the first filter 8 and the first ink pump 6 is provided with a degassing mechanism 18, the degassing mechanism 18 comprises a horizontal pipe 19, the top of the horizontal pipe 19 is communicated with an inverted U-shaped pipe 20, and the highest point of the inverted U-shaped pipe 20 is provided with an exhaust valve 21, so that bubbles in ink can be removed, the pipeline 5 is prevented from being blocked by the bubbles, and the printing quality is prevented from being influenced.
The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.
Claims (9)
1. An ink supply system comprises a thermal foaming nozzle (1), and is characterized by also comprising a primary ink box (2), a low liquid level secondary ink box (3) and a high liquid level secondary ink box (4), the ink return hole of the thermal foaming nozzle (1) is sequentially connected with the ink inlet holes of the high-liquid-level secondary ink box (4), the primary ink box (2), the low-liquid-level secondary ink box (3) and the thermal foaming nozzle (1) through a pipeline (5) to form a loop, a first ink pump (6) is arranged on a pipeline (5) between the first-stage ink box (2) and the low-liquid-level second-stage ink box (3), a second ink pump (7) is arranged on a pipeline (5) between the first-stage ink box (2) and the high-liquid-level second-stage ink box (4), the surface of the thermal foaming spray head (1) is lower than the liquid level of the high-liquid-level secondary ink box (4) by a first set value, the liquid level of the low liquid level secondary ink box (3) is higher than that of the high liquid level secondary ink box (4) by a second set value.
2. The ink supply system as claimed in claim 1, wherein the first predetermined value is 320-360 mm.
3. The ink supply system according to claim 1, wherein the second set value is 100 to 140 mm.
4. An ink supply system according to claim 1, characterised in that a first filter (8) is provided in the conduit (5) between the primary cartridge (2) and the first pump (6).
5. An ink supply system according to claim 1, characterised in that a second filter (9) is provided in the conduit (5) between the primary cartridge (2) and the second pump (7).
6. An ink supply system according to claim 1, characterised in that the air inlet of the low level secondary cartridge (3) is provided with a first one-way negative pressure control tank (10).
7. An ink supply system according to claim 1, characterised in that the air inlet of the high level secondary cartridge (4) is provided with a second one-way negative pressure control tank (11).
8. An ink supply system as claimed in claim 1, further comprising a collecting cover (12) corresponding to an ink jetting port of the thermal foaming nozzle (1), wherein the collecting cover (12) is connected with an ink inlet of the high-liquid-level secondary ink cartridge (4) through a recovery pipe (13), an outlet of the first ink pump (6) is provided with a three-way joint (14) connected with the pipeline (5), one end of the three-way joint (14) is provided with a flushing pipe (15) connected with an ink inlet of the thermal foaming nozzle (1), the pipeline (5) between the first ink pump (6) and the low-liquid-level secondary ink cartridge (3) is provided with a first control valve (16), and the flushing pipe (15) is provided with a second control valve (17).
9. An ink supply system according to claim 4, wherein a degassing mechanism (18) is arranged on the pipeline (5) between the first filter (8) and the first ink pump (6), the degassing mechanism (18) comprises a horizontal pipe (19), an inverted U-shaped pipe (20) is communicated with the top of the horizontal pipe (19), and an exhaust valve (21) is arranged at the highest point of the inverted U-shaped pipe (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121176350.5U CN214873630U (en) | 2021-05-28 | 2021-05-28 | Ink supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121176350.5U CN214873630U (en) | 2021-05-28 | 2021-05-28 | Ink supply system |
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| Publication Number | Publication Date |
|---|---|
| CN214873630U true CN214873630U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121176350.5U Active CN214873630U (en) | 2021-05-28 | 2021-05-28 | Ink supply system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263839A (en) * | 2021-05-28 | 2021-08-17 | 郑州戴纳光电技术有限公司 | Ink supply system |
| CN113263839B (en) * | 2021-05-28 | 2024-10-22 | 郑州戴纳光电技术有限公司 | Ink supply system |
-
2021
- 2021-05-28 CN CN202121176350.5U patent/CN214873630U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263839A (en) * | 2021-05-28 | 2021-08-17 | 郑州戴纳光电技术有限公司 | Ink supply system |
| CN113263839B (en) * | 2021-05-28 | 2024-10-22 | 郑州戴纳光电技术有限公司 | Ink supply system |
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