CN212604070U - Ink supply device - Google Patents
Ink supply device Download PDFInfo
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- CN212604070U CN212604070U CN202021247294.5U CN202021247294U CN212604070U CN 212604070 U CN212604070 U CN 212604070U CN 202021247294 U CN202021247294 U CN 202021247294U CN 212604070 U CN212604070 U CN 212604070U
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Abstract
The ink supply device comprises a large-capacity main ink barrel, a transfer ink bin, a control end, a liquid level sensor and an ink pump, wherein the transfer ink bin and a printing head of ink-jet printing equipment are arranged at the same horizontal position, so that the liquid level of an ink box and the nozzle plane of the printing head are ensured to be always at a certain height difference, and the printing equipment can obtain continuous supply ink from the transfer ink bin through siphon effect; the surplus of ink is judged as long as the control end is through the liquid level of the transfer ink storehouse the inside ink of real-time detection, start the ink pump and draw ink to transfer ink storehouse from large capacity china ink bucket when the ink liquid level is less than low warning value, stop the pump china ink when the liquid level reaches high threshold value, had so both guaranteed that printer china ink volume is sufficient and avoided the too much risk that overflows of china ink volume, had solved the problem of needing frequent shut down the people for adding the china ink, had promoted printing efficiency greatly and had used manpower sparingly.
Description
Technical Field
The utility model belongs to the technical field of supply the ink, concretely relates to supply ink device.
Background
Most of the ink-jet printers on the market at present are limited by the space of the printer, the capacity of the built-in ink box is smaller, when the ink quantity is insufficient, a common method is to replace a new ink box, and the influence on the printing efficiency is not great under the condition of small ink consumption in daily or office use and the like; however, when these printers are applied to medical image printing equipment in hospitals, the defects are present, medical image reports in hospitals often use inkjet printing and have large ink consumption, when such printers are used, ink cartridges need to be replaced once after printing twice, and the printer needs to be stopped when replacing the ink cartridges, so that frequent stopping is very unfavorable for the work continuity of doctors, and the work efficiency is affected, and the problem needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing an ink supply unit, at inside main china ink bucket of setting up of printing apparatus and transfer china ink storehouse formation continuous ink supply system to the liquid level condition control of transfer china ink storehouse supplies the china ink to the transfer china ink storehouse in the real-time detection, in order to solve prior art's problem.
The utility model relates to an ink supply device, include:
the ink tank comprises a main ink barrel, a transfer ink bin, a control end, a liquid level sensor and an ink pump; the main ink barrel is provided with a return pipeline which is respectively communicated with an overflow return hole and a maintenance return hole which are arranged below the transit ink bin, so that the ink in the transit ink bin can return to the main ink barrel;
the main ink barrel is also provided with an ink supply pipeline, one end of the ink supply pipeline is communicated with an ink pumping hole of the ink pump, and the other end of the ink supply pipeline extends to the bottom of the main ink barrel;
an ink inlet hole arranged above the transfer ink chamber is communicated with an ink supply hole of the ink pump through an ink conveying pipe, and an ink outlet hole of the transfer ink chamber is communicated with an ink box of the printer through the ink conveying pipe;
the liquid level sensor is used for detecting the ink liquid level of the transfer ink bin and converting the ink liquid level into an electric signal to be transmitted to the control end;
the control end is used for outputting a control signal according to the electric signal so as to control the ink pump to pump ink from the main ink barrel to the transfer ink bin;
the transfer ink chamber and the printing head of the printing device are in the same horizontal position, and the transfer ink chamber and the printing head are used for keeping the height difference between the liquid level of the transfer ink chamber and the height difference between the.
Preferably, the return pipeline of the main ink barrel is in a Y shape, the ink tubes at two ends of the pipeline are respectively communicated with the overflow return hole and the maintenance return hole of the transit ink bin, and the ink tube at the other end extends into the main ink barrel, so that the ink flowing out of the overflow return hole and the maintenance return hole is converged to the same position of the return pipeline and flows back to the main ink barrel.
Preferably, a check valve is provided on a branch of the return line between the main ink tank and the maintenance return hole.
Preferably, the flow stop valve is a one-way duckbill valve.
Preferably, an ink filter is disposed on the ink supply pipeline between the main ink tank and the ink pumping hole of the ink pump, and is used for filtering the ink entering the ink pump to remove impurities carried in the process of the ink flowing back to the main ink tank.
Preferably, the ink filter is arranged at one end of the ink supply pipeline of the main ink barrel, which extends to the bottom of the main ink barrel.
Preferably, in order to balance the internal and external air pressures, the transfer ink chamber is provided with a vent hole, and the vent hole is arranged on the same side as the ink inlet hole.
Preferably, the liquid level sensor is a probe type sensor with three ends and two gears, wherein one end of each of two probes extends into the transfer ink chamber through a probe mounting hole arranged above the transfer ink chamber, the extending depth of one probe of the two probes is close to the upper part of the transfer ink chamber, the extending depth of the other probe of the two probes is close to the bottom of the transfer ink chamber, and the other ends of the two probes are electrically connected with the signal input interface of the control end; the other probe is grounded.
Preferably, the installation height of the transfer ink chamber is higher than that of the main ink barrel.
According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:
the utility model relates to an ink supply device, which supplies ink to an ink box by arranging a main ink barrel with large capacity and a transfer ink cabin, solves the problem of the limit of the ink box space to the ink capacity, and is suitable for the scene with large ink consumption; the control end monitors the ink quantity of the transfer ink bin in real time, so that the ink quantity is ensured to be sufficient and the risk of ink overflow caused by overhigh liquid level is avoided, manual monitoring and multiple ink supply are not needed, the printing efficiency is greatly improved, and manpower and material resources are saved; the transfer ink bin and the printing head of the printing equipment are at the same horizontal height, so that the liquid level of the ink box can be ensured to have a certain height difference with the ink box all the time, the siphon effect is fully utilized to continuously supply ink to the ink box, and the continuity of ink supply is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 a schematic view of an embodiment of an ink supply device
Fig. 2 a view of an external structure of a transfer ink tank for an ink supply device according to an embodiment of the present invention
Fig. 3 a perspective view of the bottom of a transfer ink tank of an ink supply device according to an embodiment of the present invention
In the figure: 1. the ink cartridge comprises a main ink barrel, 2, a transfer ink bin, 3, a control end, 4, a liquid level sensor, 5, an ink pump, 6, a printer, 7, an ink box, 8, an ink filter, 11, a return pipeline, 12, an ink supply pipeline, 13, an exhaust hole, 14, a check valve, 21, an overflow return hole, 22, a maintenance return hole, 23, an ink inlet hole, 24, an ink outlet hole, 25, an air vent, 26, a probe mounting hole, 27, a return bin, 28, an overflow bin, 29, an ink supply bin, 51, an ink pump ink outlet hole and 52, wherein the ink pump ink supply hole is arranged on the main ink barrel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1 to 3, the ink supply device provided by the present invention will be described in detail with reference to the accompanying drawings.
An ink supply apparatus comprising:
the ink tank comprises a main ink barrel 1, a transit ink bin 2, a control end 3, a liquid level sensor 4 and an ink pump 5;
the main ink barrel 1 is provided with a return pipeline 11 which is respectively communicated with an overflow return hole 21 and a maintenance return hole 22 which are arranged below the transit ink bin 2, so that the ink in the transit ink bin 2 can return to the main ink barrel 1;
the main ink barrel 1 is also provided with an ink supply pipeline 12, one end of which is communicated with an ink pumping hole 51 of the ink pump 5, and the other end of which extends to the bottom of the main ink barrel 1;
the ink inlet hole 23 arranged above the transit ink chamber 2 is communicated with the ink supply hole 52 of the ink pump 5 through an ink conveying pipe, and the ink outlet hole 24 of the transit ink chamber 2 is communicated with the ink box 7 arranged in the printer 6 through an ink conveying pipe;
the liquid level sensor 4 is used for detecting the ink liquid level of the ink transferring bin 2 and converting the ink liquid level into an electric signal to be transmitted to the control end 3;
the control end 3 is used for outputting a control signal according to the electric signal so as to control the ink pump 5 to pump ink from the main ink barrel 1 to the transfer ink chamber 2;
the transit ink tank 2 is at the same level as the print head (not shown) of the printer 6, so that the liquid level of the transit ink tank 2 is at a different height from the print head.
The capacity of the main ink barrel 1 is set to be 5L, and the large capacity can ensure continuous ink supply to the ink box 7 without stopping for multiple times for replacing the ink box.
In this embodiment, the return line 11 of the main ink tank 1 is "Y" shaped, the ink tubes at two ends of the line are respectively communicated with the overflow return hole 21 and the maintenance return hole 22 of the intermediate ink tank 2, and the ink tube at the other end extends into the main ink tank 1, so that the ink flowing out from the overflow return hole 21 and the maintenance return hole 22 is converged to the same position of the return line 11 and flows back to the main ink tank 1.
The branch of the return pipeline 11 between the main ink barrel 1 and the maintenance return hole 22 is also provided with the check valve 14, when the transfer ink bin 2 is not required to be maintained, the check valve 14 is in a closed state, ink can only return to the main ink barrel 1 from the overflow return hole 21, when the transfer ink bin 2 is required to be maintained, the ink can also automatically return to the ink barrel 1 from the maintenance return hole 22 by loosening the check valve 14, and the convenience of maintenance of the transfer ink bin 2 is improved.
The flow stop valve 14 in this embodiment is a one-way duckbill valve, and other types of valves having the same flow stop function may be selected in other embodiments, which is not specifically limited by the present invention.
In this embodiment, an ink filter 8 is disposed on the ink supply pipeline 12 between the main ink barrel 1 and the ink pumping hole 51 of the ink pump 5, and is used for filtering the ink entering the ink pump 5 to remove impurities carried in the process of the ink flowing back to the main ink barrel 1, specifically, the ink filter 8 is disposed on one end of the ink supply pipeline 12 of the main ink barrel 1, which extends to the bottom of the main ink barrel 1.
In order to balance the internal and external air pressure, the transfer ink chamber 2 is provided with a vent hole 25, and the vent hole 25 is arranged on the same side as the ink inlet hole 23; similarly, a vent hole 13 is provided above the main ink tank 1.
In this embodiment, as shown in fig. 2, the liquid level sensor 4 is a probe type sensor with three ends and two gears, wherein one end of each of two probes extends into the transfer ink chamber 2 through a probe mounting hole 25 arranged above the transfer ink chamber 2, the extending depth of one of the two probes is close to the upper side of the transfer ink chamber 2, the extending depth of the other probe is close to the bottom of the transfer ink chamber 2, and the other end of each of the two probes is electrically connected with the signal input interface of the control end 3; the other probe is grounded.
The installation height of the transfer ink chamber 2 is higher than that of the main ink barrel 1, and the two are arranged to be the same vertical plane in the vertical direction.
Specifically, as shown in fig. 2 and fig. 3, a return flow bin 27, an overflow bin 28 and an ink supply bin 29 are formed in the transfer ink bin 2 adopted in the present embodiment through the enclosure of the partition, wherein the return flow bin 27 is communicated with the ink supply bin 29, the maintenance return flow hole 22 is communicated with the return flow bin 27, the overflow return flow hole 21 is communicated with the overflow bin 28, the ink outlet hole 24 is communicated with the ink supply bin 29, and the ink supply hole 23 extends into the return flow bin 27 (not shown in the figure).
When the ink supply device of the embodiment works, the control end 3 monitors the residual ink amount of the transfer ink bin 2 through the liquid level sensor 4, when the ink amount is insufficient and ink supply is needed, the control end 3 controls the ink pump 5 to pump ink from the main ink barrel 1 and enter the return flow bin 27 through the ink inlet hole 23 of the transfer ink bin 2, because the return flow bin 27 is communicated with the ink supply bin 29, the ink continues to enter the ink supply bin 29, at this time, the stop valve 14 is in a closed state, the ink cannot flow out of the transfer ink bin 2 through the maintenance return flow hole 22, and after the ink in the ink supply bin 29 reaches a certain volume, the ink is supplied to the ink box 7 through the ink supply pipe connected with the ink box 7 through the ink outlet hole 24; at this time, because the liquid level of the transfer ink bin 2 does not reach the liquid level threshold value, the ink pump 5 will continue to pump ink from the main ink barrel 1 to the transfer ink bin 2, and when the ink height exceeds the height of the partition boards of the return flow bin 27 and the ink supply bin 29, the redundant ink will overflow to the overflow bin 28 and return to the main ink barrel 1 through the overflow return flow hole 21; when the centering ink box is required to be maintained 2, the ink can automatically flow back to the main ink barrel 1 by opening the check valve 14.
In a further embodiment, the color printer has at least one color ink cartridge, and a plurality of main ink tanks and a plurality of relay ink tanks may be correspondingly provided, and a single main ink tank and a single relay ink tank form a set of ink paths to supply ink to the ink cartridge of one color, that is, a plurality of such ink paths may be provided to supply ink to a plurality of ink cartridges simultaneously.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (9)
1. An ink supply device, comprising:
the ink tank comprises a main ink barrel, a transfer ink bin, a control end, a liquid level sensor and an ink pump;
the main ink barrel is provided with a return pipeline which is respectively communicated with an overflow return hole and a maintenance return hole which are arranged below the transfer ink bin, so that the ink in the transfer ink bin can return to the main ink barrel;
the main ink barrel is also provided with an ink supply pipeline, one end of the ink supply pipeline is communicated with the ink pumping hole of the ink pump, and the other end of the ink supply pipeline extends to the bottom of the main ink barrel;
an ink inlet hole arranged above the transfer ink chamber is communicated with an ink supply hole of the ink pump through an ink conveying pipe, and an ink outlet hole of the transfer ink chamber is communicated with an ink box of a printer through the ink conveying pipe;
the liquid level sensor is used for detecting the ink liquid level of the transfer ink bin and converting the ink liquid level into an electric signal to be transmitted to the control end;
the control end is used for outputting a control signal according to the electric signal so as to control the ink pump to pump ink from the main ink barrel to the transfer ink bin;
the transfer ink bin and a printing head of the printing equipment are positioned at the same horizontal position, and the transfer ink bin is used for keeping the height difference between the liquid level of the transfer ink bin and the printing head.
2. The ink supply device according to claim 1, wherein the return pipeline of the main ink tank is Y-shaped, two ends of the pipeline are respectively communicated with the overflow return hole and the maintenance return hole of the transfer ink bin, and the other end of the pipeline extends into the main ink tank, so that the ink flowing out from the overflow return hole and the maintenance return hole is converged at the same position of the return pipeline and flows back to the main ink tank.
3. The ink supply device as claimed in claim 1, wherein a check valve is provided on a branch of the return line between the main ink tank and the maintenance return hole.
4. An ink supply device as claimed in claim 3, in which the stop valve is a one-way duckbill valve.
5. The ink supply device as claimed in claim 1, wherein an ink filter is disposed on the ink supply pipeline between the main tank and the ink pumping hole of the ink pump for filtering the ink entering the ink pump to remove impurities carried in the ink flowing back to the main tank.
6. The ink supply device according to claim 5, wherein the ink filter is disposed at an end of the ink supply line extending to the bottom of the main tank.
7. The ink supply device according to claim 1, wherein the transfer ink chamber is provided with a vent hole, and the vent hole is arranged on the same side as the ink inlet hole.
8. The ink supply device according to claim 1, wherein the liquid level sensor is a probe type sensor with three ends and two gears, wherein one end of each of two probes extends into the transfer ink chamber through a probe mounting hole arranged above the transfer ink chamber, the depth of extension of one of the two probes is close to the upper part of the transfer ink chamber, the depth of extension of the other probe is close to the bottom of the transfer ink chamber, and the other end of each of the two probes is electrically connected with the signal input interface of the control end; the other probe is grounded.
9. The ink supply device according to claim 1, wherein the intermediate ink tank is installed at a height higher than that of the main ink tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021247294.5U CN212604070U (en) | 2020-06-30 | 2020-06-30 | Ink supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021247294.5U CN212604070U (en) | 2020-06-30 | 2020-06-30 | Ink supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212604070U true CN212604070U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021247294.5U Active CN212604070U (en) | 2020-06-30 | 2020-06-30 | Ink supply device |
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| Country | Link |
|---|---|
| CN (1) | CN212604070U (en) |
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2020
- 2020-06-30 CN CN202021247294.5U patent/CN212604070U/en active Active
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