Ink feeding system and inkjet-printing deviceTechnical field
The utility model relates to inkjet printing field, relates to specifically a kind of ink-jet printer ink feeding system.
Background technology
Ink-jet printer has now been widely used in all trades and professions. on existing ink-jet printer, be equipped with to the ink feeding system of shower nozzle continuous ink feeding, thereby ink feeding system is used for spraying picture and text or shower nozzle being cleaned for shower nozzle provides ink, dredging is processed, in ink feeding system, be provided with main ink tank, assistant print cartridges, shower nozzle, main ink tank, positive pressure system and negative pressure system, ink in main ink tank by pump by force feed to assistant print cartridges, the ink outlet port of assistant print cartridges connects shower nozzle and is used to shower nozzle ink supply to spray ink droplet, assistant print cartridges also connects positive pressure system and negative pressure system, complete following required operation by the switching of positive pressure system and negative pressure system: as realized fast, high efficiency printing, need to rely on negative pressure system to guarantee that assistant print cartridges continues, stable, fast, in right amount to shower nozzle ink supply, as between long one period of childhood when not ink-jet, shower nozzle easily stops up, and now needs positive pressure system to dredge shower nozzle, sometimes before ink-jet, in spray nozzle, there are some bubbles, now also need positive pressure system to press China ink to process to get rid of the bubble in shower nozzle to shower nozzle, the waste liquid extruding by positive pressure system is flowed in useless ink tank and is collected by shower nozzle ink-outtake end, there is the problem of wasted ink in this mode, and the excessive easy damage shower nozzle of positive pressure system pressure, there is the situation that cannot dredge shower nozzle in insufficient pressure.
Utility model content
The problem existing for prior art, the purpose of this utility model is to propose the ink feeding system that a kind of ink circulation is used.
For achieving the above object, the utility model provides a kind of ink feeding system, comprise negative pressure system, main ink tank, assistant print cartridges, for pump and shower nozzle, it is characterized in that, the ink-outtake end of described assistant print cartridges connects the ink feed end of described shower nozzle, the inlet end of described assistant print cartridges is connected with negative pressure system by the first magnetic valve, the ink feed end of described assistant print cartridges is connected with the ink-outtake end of described main ink tank, between the ink feed end of described assistant print cartridges and the ink-outtake end of described main ink tank, arrange for pump, the ink-outtake end of described shower nozzle is connected with the ink feed end of main ink tank, between the ink-outtake end of described shower nozzle and the ink feed end of described main ink tank, a suction pump is set.
In above-mentioned ink feeding system, one check valve and the first filter are also set between the ink-outtake end of described shower nozzle and described suction pump, the ink-outtake end of described shower nozzle is connected with the import of described check valve, being connected of the import of the outlet of described check valve and described the first filter, the outlet of described the first filter is connected with the import of described suction pump.
In above-mentioned ink feeding system, between the ink feed end of the port of export of described assistant print cartridges and described shower nozzle, a triple valve is set.
In above-mentioned ink feeding system, described triple valve is manual three-way valve or two-position three way magnetic valve.
In above-mentioned ink feeding system, the inlet end of described assistant print cartridges is also connected with positive pressure system by the first magnetic valve.
In above-mentioned ink feeding system, in described main ink tank, an air inlet is set, described air inlet is connected with atmosphere by the second filter.
In above-mentioned ink feeding system, described the first filter and described the second filter are video disc filter.
In above-mentioned ink feeding system, described main ink tank arranges at least one, described assistant print cartridges arranges at least one, described shower nozzle arranges at least one, the quantity of described main ink tank is consistent with the quantity of printing required ink color, the quantity of described assistant print cartridges is consistent with the quantity of printing required ink color, the integral multiple of the quantity that the quantity of described shower nozzle is described assistant print cartridges.
Another object of the present utility model is to propose a kind of inkjet-printing device, it is characterized in that, comprises above-mentioned ink feeding system.
Brief description of the drawings
Fig. 1 is the structural representation of the ink feeding system in an embodiment of the present utility model;
Fig. 2 is the structural representation of the ink feeding system in another embodiment of the utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.
As shown in Figure 1, ink feeding system in embodiment of the utility model comprises negative pressure system p1, main ink tank M1, assistant print cartridges m1, supplies pump b1 and shower nozzle H1, the ink-outtake end 13 of assistant print cartridges m1 connects the ink feed end 32 of shower nozzle H1, between the ink-outtake end 13 of assistant print cartridges m1 and the ink feed end 32 of shower nozzle H1, a triple valve f2 is also set. The inlet end 11 of assistant print cartridges m1 is connected with negative pressure system by the first magnetic valve f1, the ink feed end 12 of assistant print cartridges m1 is connected with the ink-outtake end 21 of main ink tank M1, between the ink feed end 12 of assistant print cartridges m1 and the ink-outtake end 21 of main ink tank M1, also arrange one for pump b1, the ink-outtake end 31 of shower nozzle H1 is connected with the ink feed end 22 of main ink tank M1, between the ink-outtake end 31 of shower nozzle H1 and the ink feed end 22 of main ink tank M1, a suction pump b2 is set. One check valve f3 and the first filter v1 are also set between the ink-outtake end 31 of shower nozzle H1 and suction pump b2, the ink-outtake end 31 of shower nozzle H1 is connected with the import of check valve f3, being connected of the import of the outlet of check valve f3 and the first filter v1, the outlet of the first filter v1 is connected with the import of suction pump b2. Triple valve f2 in the utility model is manual three-way valve or two-position three way magnetic valve. The inlet end 11 of assistant print cartridges m1 is also connected with positive pressure system p2 by the first magnetic valve f1. The first magnetic valve f1 of the present utility model is two position three-way valve. One air inlet 23 is set on main ink tank M1, and air inlet 23 is connected with atmosphere by the second filter v2. The first filter v1 and the second filter v2 in the utility model are video disc filter. Main ink tank in the utility model arranges at least one, assistant print cartridges arranges at least one, shower nozzle arranges at least one, the quantity of main ink tank is consistent with the quantity of printing required ink color, the quantity of described assistant print cartridges is consistent with the quantity of printing required ink color, the integral multiple of the quantity that the quantity of shower nozzle is described assistant print cartridges. The utility model can be realized negative pressure continuous operation and malleation dredging shower nozzle, and in the time of dredging shower nozzle owing to there being suction pump only to need less pressure; The ink of the utility model ink feeding system is closed cycle system, in the time of dredging shower nozzle, there is not the phenomenon of wasted ink, and can get rid of the middle bubble of ink by ink regularly being carried out to systemic circulation operation, also can prevent that the ink in main ink tank and assistant print cartridges from producing precipitation simultaneously.
As shown in Figure 2, two shower nozzles are set in ink feeding system, ink feeding system in another embodiment of the utility model comprises negative pressure system p1, main ink tank M1, the second main ink tank M2, assistant print cartridges m1, the second assistant print cartridges m2, supplies pump b3 and shower nozzle H1, the second shower nozzle H2 for pump b1, second, the ink-outtake end 13 of assistant print cartridges m1 connects the ink feed end 32 of shower nozzle H1, between the ink-outtake end 13 of assistant print cartridges m1 and the ink feed end 32 of shower nozzle H1, a triple valve f2 is also set. The inlet end 11 of assistant print cartridges m1 is connected with negative pressure system by the first magnetic valve f1, the ink feed end 12 of assistant print cartridges m1 is connected with the ink-outtake end 21 of main ink tank M1, between the ink feed end 12 of assistant print cartridges m1 and the ink-outtake end 21 of main ink tank M1, also arrange one for pump b1, the ink-outtake end 31 of shower nozzle H1 is connected with the ink feed end 22 of main ink tank M1, between the ink-outtake end 31 of shower nozzle H1 and the ink feed end 22 of main ink tank M1, a suction pump b2 is set. One check valve f3 and the first filter v1 are also set between the ink-outtake end 31 of shower nozzle H1 and suction pump b2, the ink-outtake end 31 of shower nozzle H1 is connected with the import of check valve f3, being connected of the import of the outlet of check valve f3 and the first filter v1, the outlet of the first filter v1 is connected with the import of suction pump b2. Triple valve f2 in the utility model is manual three-way valve or two-position three way magnetic valve. The inlet end 11 of assistant print cartridges m1 is also connected with positive pressure system p2 by the first magnetic valve f1. The first magnetic valve f1 of the present utility model is two position three-way valve. One air inlet 23 is set on main ink tank M1, and air inlet 23 is connected with atmosphere by the second filter v2.
The ink-outtake end 16 of the second assistant print cartridges m2 connects between the ink-outtake end 16 of ink feed end 34, the second assistant print cartridges m2 of the second shower nozzle H2 and the ink feed end 34 of the second shower nozzle H2 one second triple valve f5 is also set. The inlet end 14 of the second assistant print cartridges m2 is connected with negative pressure system by the second magnetic valve f4, the ink feed end 15 of the second assistant print cartridges m2 is connected with the ink-outtake end 24 of the second main ink tank M2, between the ink feed end 15 of the second assistant print cartridges m2 and the ink-outtake end 24 of the second main ink tank M2, also arrange one second for pump b3, the ink-outtake end 33 of the second shower nozzle H2 is connected with the ink feed end 25 of the second main ink tank M2, between the ink-outtake end 33 of the second shower nozzle H2 and the ink feed end 25 of the second main ink tank M2, one second suction pump b4 is set. One second check valve f5 and the second filter v3 are also set between the ink-outtake end 33 of the second shower nozzle H2 and the second suction pump b4, the ink-outtake end 33 of the second shower nozzle H2 is connected with the import of the second check valve f5, being connected of the import of the outlet of the second check valve f5 and the second filter v3, the outlet of the second filter v3 is connected with the import of the second suction pump b4. The second triple valve f5 in the utility model is manual three-way valve or two-position three way magnetic valve. The inlet end 14 of the second assistant print cartridges m2 is also connected with positive pressure system p2 by the second magnetic valve f4. The second magnetic valve f4 of the present utility model is two position three-way valve. One air inlet 26 is set on the second main ink tank M2, and air inlet 26 is connected with atmosphere by the 4th filter v4. The first filter v1, the second filter v2, the 3rd filter v3 and the 4th filter v4 in the utility model are video disc filter.
Above occupation mode is only for illustrating the utility model; and the not restriction to utility model; the those of ordinary skill in relevant technologies field; in the situation that not departing from spirit and scope of the present utility model; can also make a variety of changes and modification, therefore all technical schemes that are equal to also belong to protection category of the present utility model.