CN102729640B - Ink-jet printer and method for degassing ink-jet ink - Google Patents
Ink-jet printer and method for degassing ink-jet ink Download PDFInfo
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- CN102729640B CN102729640B CN201210247069.5A CN201210247069A CN102729640B CN 102729640 B CN102729640 B CN 102729640B CN 201210247069 A CN201210247069 A CN 201210247069A CN 102729640 B CN102729640 B CN 102729640B
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Abstract
The embodiment of the invention discloses an ink-jet printer and a method for degassing ink-jet ink, wherein the method is used for degassing the ink-jet ink with the same color and providing the degassed ink-jet ink to a plurality of spray heads, so that fewer degassing modules are needed, and the cost of the ink-jet printer can be saved. The ink-jet printer comprises an ink pump, the degassing module, a transitional ink box, the plurality of spray heads, an ink box, a negative-pressure generator and an ink supply barrel, wherein the ink pump is connected with the degassing module by an ink pumping pipe; the degassing module is connected with the transitional ink box by an ink inlet pipe; the bottom surface of the transitional ink box is connected with the spray heads respectively by a plurality of ink outlet pipes; the top surface of the transitional ink box is connected with the ink box by a communicating pipe; and the ink box is connected with the negative pressure generator by an air pipe.
Description
Technical field
The present invention relates to ink-jet printing technology field, relate in particular to the degas method of a kind of ink-jet printer and ink-jet ink.
Background technology
Ink-jet ink (hereinafter to be referred as ink) is the main printing material of ink-jet printer.Have the ink of some types because the volatilization of interior section material forms gas, or ink may absorb airborne portion gas, these gases can form bubble in ink, affect the quality of ink jet printing when bubble is more.
The method that the printing quality that the black underwater bubble of solution causes at present declines is that many degassed modules are installed in ink-jet printer, be as shown in Figure 1 commonly use ink is carried out to degassed method schematic diagram, in Fig. 1, pump 102 rises to the ink of depositing in a kind of ink supply bucket 101 of color ink in print cartridge 103, liquid level sensor 105 is for controlling the height of print cartridge 103 interior inks, and negative pressure generator 104 is for providing negative pressure.Between multiple shower nozzles (3 shower nozzles 1071,1072,1073 have been shown in Fig. 1) and print cartridge 103, be provided with the degassed module (3 degassed modules 1061,1062,1063 have been shown in Fig. 1) equating with shower nozzle quantity, in prior art, need to install separately a degassed module for each shower nozzle.More required the degassed module of shower nozzle number installation of installing along with ink-jet printer be also more, and the ink of a kind of color of ink-jet printer all has plural shower nozzle conventionally in practical application, in order to solve the degassed module of the required installation of printing quality decline problem that black underwater bubble causes along with also corresponding the increasing of increasing of shower nozzle quantity, multiple degassed modules are installed and are also caused the manufacturing cost of ink-jet printer just higher.
Summary of the invention
The embodiment of the present invention provides the degas method of a kind of ink-jet printer and ink-jet ink, for offering multiple shower nozzles by after degassed the ink-jet ink of same color, uses the quantity of degassed module few, saves the cost of ink-jet printer.
For solving the problems of the technologies described above, the embodiment of the present invention provides following technical scheme:
On the one hand, the embodiment of the present invention provides a kind of ink-jet printer, comprising:
Pump, degassed module, transition print cartridge, multiple shower nozzle, print cartridge, negative pressure generator, ink supply bucket, wherein,
Described pump is connected with described degassed module by pumping ink pipe, described degassed module is connected with described transition print cartridge by ink inlet tube, the bottom surface of described transition print cartridge is connected with each shower nozzle by multiple ink tubes respectively, the end face of described transition print cartridge was connected with described print cartridge by communicating pipe, and described print cartridge is connected with negative pressure generator by tracheae;
Described pump, extracts ink-jet ink out for the described ink supply bucket from depositing same color ink-jet ink, then sends into described degassed module;
Described degassed module, carries out degassedly for the ink-jet ink that described pump is sent into, the ink-jet ink after degassed is sent into described transition print cartridge by described ink inlet tube;
Described transition print cartridge, for holding described ink-jet ink after degassed; After described transition print cartridge is filled completely by ink-jet ink, by described communicating pipe ink-jet ink being pressed in described print cartridge; Under the pressure-acting of the ink-jet ink in described print cartridge, the ink-jet ink after degassed is distributed to each shower nozzle and carry out ink-jet use;
Described negative pressure generator, keeps negative pressure state for the space that makes the ink-jet ink top in described print cartridge by described tracheae.
On the other hand, the embodiment of the present invention also provides a kind of degas method of ink-jet ink, comprising:
Pump is extracted ink-jet ink out from deposit the ink supply bucket of same color ink-jet ink, then sends into a degassed module, and described degassed module is connected with a transition print cartridge by ink inlet tube, and described pump is connected with described degassed module by pumping ink pipe;
The ink-jet ink that described degassed module is sent into described pump carries out degassed, ink-jet ink after degassed is sent into described transition print cartridge by described ink inlet tube, the bottom surface of described transition print cartridge is connected with each shower nozzle by multiple ink tubes respectively, the end face of described transition print cartridge was connected with print cartridge by communicating pipe, and described print cartridge is connected with negative pressure generator by tracheae;
After described transition print cartridge is filled completely by ink-jet ink, described transition print cartridge was pressed into ink-jet ink in described print cartridge by described communicating pipe;
Described negative pressure generator makes the space of the ink-jet ink top in described print cartridge keep negative pressure state by described tracheae;
Described transition print cartridge is distributed to each shower nozzle by the ink-jet ink after degassed and is carried out ink-jet use.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the embodiment of the present invention, the ink-jet ink of the same color that degassed module is sent into pump carries out degassed, then send in transition print cartridge, finally by transition print cartridge, the ink-jet ink after degassed is distributed to multiple shower nozzles and carry out ink-jet use, owing to need to not connecting separately a degassed module for each shower nozzle, but by pumping ink pipe, pump and degassed module are coupled together, a kind of ink-jet ink of color only uses a degassed module just can provide degassed ink-jet ink to the ink-jet printer of multiple shower nozzles of the ink-jet ink of use same color altogether, use the quantity of degassed module far fewer than the quantity of the required use of prior art, save the manufacturing cost of ink-jet printer.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, to those skilled in the art, can also obtain according to these accompanying drawings other accompanying drawing.
The composition structural representation that Fig. 1 is a kind of ink-jet printer of providing in prior art;
The composition structural representation of a kind of ink-jet printer that Fig. 2 provides for the embodiment of the present invention;
The structural representation of a kind of transition print cartridge that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the another kind of transition print cartridge that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the another kind of transition print cartridge that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the another kind of transition print cartridge that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the another kind of transition print cartridge that Fig. 7 provides for the embodiment of the present invention;
The structural representation of the another kind of transition print cartridge that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the another kind of transition print cartridge that Fig. 9 provides for the embodiment of the present invention;
The structural representation of the another kind of transition print cartridge that Figure 10 provides for the embodiment of the present invention;
The structural representation of the another kind of transition print cartridge that Figure 11 provides for the embodiment of the present invention;
The structural representation of the another kind of transition print cartridge that Figure 12 provides for the embodiment of the present invention;
The structural representation of the another kind of transition print cartridge that Figure 13 provides for the embodiment of the present invention;
The block flowsheet schematic diagram of the degas method of a kind of ink-jet ink that Figure 14 provides for the embodiment of the present invention.
Detailed description of the invention
The embodiment of the present invention provides the degas method of a kind of ink-jet printer and ink-jet ink, for offering multiple shower nozzles by after degassed the ink-jet ink of same color, uses the quantity of degassed module few, saves the cost of ink-jet printer.
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiment, but not whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art obtains, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of ink-jet printer, as shown in Figure 2, the composition structural representation of the ink-jet printer providing for the embodiment of the present invention, comprise: the degassed module of pump 202,203, transition print cartridge 204, multiple shower nozzle 2071,2072,2073,2074, print cartridge 205, negative pressure generator 206, ink supply bucket 201, wherein
Pump 202 is connected with degassed module 203 by pumping ink pipe 208, degassed module 203 is connected with transition print cartridge 204 by ink inlet tube 209, the bottom surface of transition print cartridge 204 is connected with each shower nozzle 2071,2072,2073,2074 by multiple ink tubes 2111,2112,2113,2114 respectively, the end face of transition print cartridge 204 was connected with print cartridge 205 by communicating pipe 210, and print cartridge 205 is connected with negative pressure generator 206 by tracheae 212;
Pump 202, extracts ink-jet ink out for the ink supply bucket 201 from depositing same color ink-jet ink, then sends into degassed module 203;
Degassed module 203, carries out degassedly for the ink-jet ink that pump 303 is sent into, the ink-jet ink after degassed is sent into transition print cartridge 204 by ink inlet tube 209;
Negative pressure generator 206, keeps negative pressure state for the space that makes the ink-jet ink top in print cartridge 205 by tracheae 212.
It should be noted that, in embodiments of the present invention, only use a degassed module to be used for the ink-jet ink of pump extraction to carry out degassed, and without connect separately a degassed module for each shower nozzle, the ink-jet ink of a kind of color of whole ink-jet printer only need to use a degassed module just can realize to using all shower nozzles of this color that the ink-jet ink after degassed is all provided.In embodiments of the present invention, pump and degassed module have formed ink supply assembly, and the two is linked togather by pumping ink pipe string, from ink supply bucket, extracts ink-jet ink, provides degassed ink-jet ink to shower nozzle.
In embodiments of the present invention, optional, ink-jet printer also includes check valve, and check valve has the function of one-way conduction, can prevent the backflow of ink-jet ink.Wherein, check valve can be connected with pump, or check valve can be connected with degassed module, or check valve can all be connected with pump and degassed module, that is to say that ink supply assembly that the embodiment of the present invention provides, except comprising pump and degassed module, can also comprise check valve.As shown in Figure 2, the two ends of check valve 213 are connected with pump 202 and degassed module 203 respectively, and in Fig. 2, from top to bottom, ink supply assembly comprises degassed module 203, check valve 213, pump 202.Ink supply assembly is composed in series by degassed module 203, check valve 213 and pump 202 successively, it should be noted that, the order of check valve 213 can arrange arbitrarily, for example, in Fig. 2, if ink supply assembly is made up of degassed module 203, pump 202, check valve 213 from top to bottom successively, 213, check valve is connected with pump 202, if ink supply assembly is made up of check valve 213, degassed module 203, pump 202 from top to bottom successively, 213, check valve is connected with degassed module 203, and specific implementation in actual applications does not limit herein.
In embodiments of the present invention, optional, ink-jet printer also includes liquid level sensor, and liquid level sensor is arranged in print cartridge, and liquid level sensor is for responding to the water surface of the ink-jet ink in print cartridge.As shown in Figure 2, liquid level sensor 214 is arranged in print cartridge 205, liquid level sensor 214 is responded to control to the water surface of the ink-jet ink in print cartridge 205, in the time that reaching capacity thresholding, the water surface of the ink-jet ink in print cartridge 205 can produce induced signal, pump 202 now just can stop pumping ink, to avoid the ink-jet ink in print cartridge 205 to overflow.
It should be noted that, in figure as shown in Figure 2, the ink-jet ink that has provided respectively ink-jet printer same color includes four shower nozzles, accordingly, be connected with transition print cartridge by four ink tubes respectively, but the number of the shower nozzle herein providing is example, does not limit.In embodiments of the present invention, ink-jet printer is at least provided with the shower nozzle of plural use same color ink-jet ink, each shower nozzle is connected with transition print cartridge by an ink tube, the shower nozzle number that ink-jet printer is installed is decided by concrete application scenarios, ink-jet printer described herein includes multiple shower nozzles, but concrete number does not limit.
It should be noted that, transition print cartridge is for holding the ink-jet ink after degassed in embodiments of the present invention, transition print cartridge includes two faces: end face and bottom surface, as shown in Figure 2, the bottom surface of transition print cartridge 204 is connected with each shower nozzle 2071,2072,2073,2074 by multiple ink tubes 2111,2112,2113,2114 respectively, and the end face of transition print cartridge 204 was connected with print cartridge 205 by communicating pipe 210.Method of attachment between the transition print cartridge that the embodiment of the present invention provides and the effect of print cartridge of the prior art and other assembly of this print cartridge and ink-jet printer is completely not identical, in the embodiment of the present invention, transition print cartridge is connected with degassed module, be contained with the ink-jet ink of the degassed mistake of degassed module, shower nozzle is directly connected with transition print cartridge; Print cartridge of the prior art is to hold the not degassed ink-jet ink that pump is extracted out from ink supply bucket, the connection that each shower nozzle is independent a degassed module, cause the cost of ink-jet printer higher.
It should be noted that, in embodiments of the present invention, after pump is extracted ink-jet ink out, degassed module carries out degassed to ink-jet ink, from ink supply bucket, taking out ink-jet ink due to pump is a continuous process, pump is extracted ink-jet ink out and is sent into degassed module, degassed module completes degassed depositing in transition print cartridge afterwards, after transition print cartridge is filled completely by ink-jet ink, can be by communicating pipe ink-jet ink being pressed in print cartridge, due to the liquid level meeting ingress of air of the ink-jet ink in print cartridge, ink-jet ink in print cartridge may dissolved air in small part of gas, produce a small amount of bubble, because effect and the communicating pipe of buoyancy are thinner, bubble generally can be by not entering in transition print cartridge communicating pipe.
In the embodiment of the present invention, transition print cartridge was pressed into ink-jet ink in print cartridge by communicating pipe, can be by the Bas Discharged in transition print cartridge to better effect in print cartridge in order to realize, preferably, transition print cartridge can collect in the ink-jet ink after degassed the porch of communicating pipe, that is to say, peak place on the end face of transition print cartridge can be connected with the entrance of communicating pipe, like this, when pump will be extracted out after ink-jet ink endlessly, degassed module also can be pressed into the ink-jet ink after degassed in transition print cartridge endlessly, because the ink-jet ink in transition print cartridge only just can enter in print cartridge via communicating pipe, in the time that the ink-jet ink in transition print cartridge is assembled to this peak (being the entrance of communicating pipe) except peak from the end face of transition print cartridge, air in transition print cartridge also can be squeezed to this peak, the air in transition print cartridge namely can enter into print cartridge.
It should be noted that, in actual applications, the peak that the entrance of communicating pipe is communicated on the end face of transitional ink has multiple implementation, next the embodiment of the present invention is described in detail explanation, but the following description of carrying out and accompanying drawing are part embodiment wherein, can also expand again according to description provided by the invention, not limit herein.
Concrete, the end face of transition print cartridge can be bilateral inclined plane, the entrance of communicating pipe is communicated in the peak that this bilateral inclined plane intersects;
Or the end face of transition print cartridge can be one-sided inclined plane, the entrance of communicating pipe is communicated in the inclination peak on this one-sided inclined plane;
Or the end face of transition print cartridge can be the conical surface, the summit of this conical surface is the peak of the end face of transition print cartridge, and the entrance of communicating pipe is communicated in the summit of this conical surface;
Or the end face of transition print cartridge can be upside of ellipse shape face, the entrance of communicating pipe is communicated in the peak of this upside of ellipse shape face;
Or the end face of transition print cartridge can be pyramid face, the summit of this taper surface is the peak of the end face of transition print cartridge, and the entrance of communicating pipe is communicated in the summit of this pyramid face;
Or the end face of transition print cartridge can be first elliposoidal face, the entrance of communicating pipe is communicated in the peak of this first elliposoidal face.
Preferably, bilateral inclined plane is specifically as follows Bilateral Symmetry inclined plane, and Bilateral Symmetry inclined plane is axial symmetry about the entrance place axis of communicating pipe.
The end face of the transition print cartridge that aforementioned content provides the embodiment of the present invention is elaborated, next introduce the bottom surface of the transition print cartridge that the embodiment of the present invention provides, in the embodiment of the present invention, multiple ink tubes and ink inlet tube are all arranged on the bottom of transition print cartridge, as a kind of attainable mode be wherein, the bottom surface of transition print cartridge is horizontal plane, ink inlet tube and multiple ink tube are all distributed on the bottom surface of transition print cartridge, preferably, horizontal plane is specifically as follows horizontal disc, and ink inlet tube and multiple ink tube are distributed on this horizontal disc.As another kind of attainable mode be wherein, the outlet of ink inlet tube is communicated in the minimum point on the bottom surface of transition print cartridge, be can be provided with a minimum point on the bottom surface of transition print cartridge, the outlet of this minimum point and ink inlet tube links together, and multiple ink tubes are all arranged on ink inlet tube around.
It should be noted that, in actual applications, the minimum point that the outlet of ink inlet tube is communicated on the bottom surface of transition print cartridge has multiple implementation, next the embodiment of the present invention is described in detail explanation, but the following description of carrying out and accompanying drawing are part embodiment wherein, can also expand again according to description provided by the invention, not limit herein.
Concrete, the bottom surface of transition print cartridge can be bilateral inclined plane, the outlet of ink inlet tube is communicated in the minimum point that this bilateral inclined plane intersects;
Or the bottom surface of transition print cartridge can be one-sided inclined plane, the inclination minimum point of the outlet of ink inlet tube in this one-sided inclined plane;
Or the bottom surface of transition print cartridge can be the conical surface, the summit of this conical surface is the minimum point of the bottom surface of transition print cartridge, and the outlet of ink inlet tube is communicated in the summit of this conical surface;
Or the bottom surface of transition print cartridge can be second oval face, the minimum point of the outlet of ink inlet tube in this lower half elliptic face;
Or the bottom surface of transition print cartridge can be pyramid face, the summit of this pyramid face is the minimum point of the bottom surface of transition print cartridge, and the outlet of ink inlet tube is communicated in the summit of this pyramid face;
Or the bottom surface of transition print cartridge can be second elliposoidal face, the outlet of ink inlet tube is communicated in the minimum point of this second elliposoidal face.
The transition print cartridge providing for the embodiment of the present invention comprises end face and bottom surface, and the bottom shape of transition print cartridge is shape or the horizontal plane of transition gradually.In the time that bottom surface is the shape of transition gradually, middle part or position, somewhere are lower, and increase gradually all the other positions, place, from lowest part upwards, horizontal section area increases gradually, and connects ink inlet tube at the lowest part of bottom surface, in bottom surface, other position connects multiple ink tubes, and multiple ink tubes are connected with multiple shower nozzles.In the time that bottom shape is horizontal plane, on the Ke bottom surface, position of ink inlet tube and ink tube, arrange arbitrarily.
The end face of transition print cartridge is shaped as the shape of transition gradually, and middle part or position, somewhere are higher, and all the other positions, place reduce gradually; Downward from highest point, horizontal section area increases gradually, and connects pipe at the highest point of end face.Communicating pipe, the other end was communicated with print cartridge, and print cartridge top is communicated with negative pressure generator.
For this transition print cartridge of more detailed explanation, next be elaborated in conjunction with multiple accompanying drawings, for convenience of explanation, in following Fig. 3 to 13, using the ink-jet ink of same colors to include four ink tubes taking four shower nozzles of ink-jet printer describes as example, in each width figure, ink tube is all labeled as 2111,2112,2113,2114, and communicating pipe is all labeled as 210, ink inlet tube is all labeled as 209, and transition print cartridge is labeled as 204.
The form of transition print cartridge 204 has varied, and Fig. 3 to Figure 13 provides respectively and crossed the concrete shape of print cartridge 204 and ink feed, ink tube, the position of communicating pipe.
In Fig. 3, the end face of transition print cartridge is Bilateral Symmetry inclined plane, and bottom surface is horizontal plane, and ink inlet tube is positioned at the middle part of bottom surface, and ink tube is positioned at both sides, bottom surface, and the entrance of communicating pipe is positioned at the peak that Bilateral Symmetry inclined plane intersects.In Fig. 4, the end face of transition print cartridge is one-sided inclined plane, and bottom surface is horizontal plane, and ink inlet tube is positioned at the right side of bottom surface, and ink tube is positioned at the left side of bottom surface, and the entrance of communicating pipe is positioned at the inclination peak on one-sided inclined plane.In Fig. 5, the end face of transition print cartridge is the conical surface, the peak that the summit of this conical surface is end face, and bottom surface is horizontal disc, and ink inlet tube is positioned at the middle part of bottom surface, and ink tube is positioned at bottom surface around, and the entrance of communicating pipe is positioned at the summit of the conical surface.In Fig. 6, the end face of transition print cartridge is bilateral inclined plane, and bottom surface is also bilateral inclined plane, and bilateral symmetry distributes, and ink inlet tube is positioned at the middle part lowest part of bottom surface, and ink tube is positioned in two lateral incline of bottom surface, is positioned at the crosspoint on Bilateral Symmetry inclined plane communicating pipe.In Fig. 7, the end face of transition print cartridge is one-sided inclined plane, and bottom surface is also one-sided inclined plane, end face and inclined bottom surface opposite direction, ink inlet tube is positioned at the right side lowest part of bottom surface, and ink tube is positioned at the left side of bottom surface, and the entrance of communicating pipe is positioned at the inclination peak on one-sided inclined plane.In Fig. 8, the end face of transition print cartridge is the conical surface, and bottom surface is also the conical surface, and ink inlet tube is positioned at the middle part lowest part of bottom surface, and ink tube is positioned at bottom surface around, and the entrance of communicating pipe is positioned at the summit of the conical surface.In Fig. 9, the end face of transition print cartridge is one-sided inclined plane, and bottom surface is also one-sided inclined plane, end face is consistent with inclined bottom surface direction, ink inlet tube is positioned at the left side lowest part of bottom surface, and ink tube is positioned at the right side of bottom surface, and the entrance of communicating pipe is positioned at the inclination peak on one-sided inclined plane.In Figure 10, the end face of transition print cartridge is bilateral inclined plane, and bottom surface is also bilateral inclined plane, both sides are mal-distribution, ink inlet tube is positioned at the lowest part of bottom surface, and ink tube is positioned in two lateral incline of bottom surface, and the entrance of communicating pipe is positioned at the crosspoint on bilateral inclined plane.As Figure 11, transition print cartridge is oval, and end face is upside of ellipse shape face, and bottom surface is lower half elliptic face, and ink inlet tube is positioned at the lowest part of bottom surface, and ink tube is positioned at the ink inlet tube both sides of bottom surface, and the entrance of communicating pipe is positioned at the peak of end face.In Figure 12, the end face of transition print cartridge is pyramid face, and bottom surface is also pyramid face, and ink inlet tube is positioned at the lowest part of bottom surface, and ink tube is positioned on the surrounding inclined plane of bottom surface, and the entrance of communicating pipe is positioned at the peak of end face.In Figure 13, transition print cartridge is elliposoidal face, and end face is first elliposoidal face, and bottom surface is second elliposoidal face, and ink inlet tube is positioned at the lowest part of bottom surface, and ink tube is positioned near ink inlet tube, other position, bottom surface, and the entrance of communicating pipe is positioned at the peak of end face.
In the embodiment of the present invention, the ink-jet ink that degassed module is sent into pump carries out degassed, then send in transition print cartridge, finally by transition print cartridge, the ink-jet ink after degassed is distributed to multiple shower nozzles and carry out ink-jet use, owing to need to not connecting separately a degassed module for each shower nozzle, but by pumping ink pipe, pump and degassed module are coupled together, the ink-jet ink of same color only uses a degassed module just can provide degassed ink-jet ink to the ink-jet printer with multiple shower nozzles altogether, use the quantity of degassed module far fewer than the quantity of the required use of prior art, save the manufacturing cost of ink-jet printer.
A kind of ink-jet printer that above embodiment provides the embodiment of the present invention to provide, next introduces the degas method of the ink-jet ink that this ink-jet printer realizes, and refers to shown in Figure 14, and the degas method of ink-jet ink, comprises the steps:
1401, pump is extracted ink-jet ink out from deposit the ink supply bucket of same color ink-jet ink, then sends into a degassed module.
Wherein, degassed module is connected with a transition print cartridge by ink inlet tube, and pump is connected with degassed module by pumping ink pipe.
As shown in Figure 2, pump 202 is extracted ink-jet ink out from ink supply bucket 201, then sends into a degassed module 203, and degassed module 203 is connected with a transition print cartridge 204 by ink inlet tube 209, and pump 202 is connected with degassed module 203 by pumping ink pipe 208.
It should be noted that, in embodiments of the present invention, same color ink-jet ink has only used a degassed module to be used for pump extraction ink-jet ink to carry out degassed, and without connect separately a degassed module for each shower nozzle, whole ink-jet printer only need to use a degassed module just can realize to all shower nozzles of this jet-drawing printer respective color ink-jet ink for the ink-jet ink of same color the ink-jet ink after degassed is all provided.In embodiments of the present invention, pump and degassed module have formed ink supply assembly, and the two is linked togather by pumping ink pipe string, from ink supply bucket, extracts ink-jet ink, provides degassed ink-jet ink to shower nozzle.
It should be noted that, the method that the embodiment of the present invention provides can also comprise the steps:
The ink-jet ink that check valve is extracted out pump carries out one-way conduction, and wherein, check valve is connected with pump and/or degassed module.
In embodiments of the present invention, optional, ink-jet printer also includes check valve, and check valve has the function of one-way conduction, can prevent the backflow of ink-jet ink.Wherein, check valve can be connected with pump, or check valve can be connected with degassed module, or check valve can all be connected with pump and degassed module, that is to say that ink supply assembly that the embodiment of the present invention provides, except comprising pump and degassed module, can also comprise check valve.As shown in Figure 2, the two ends of check valve 213 are connected with pump 202 and degassed module 203 respectively, and in Fig. 2, from top to bottom, ink supply assembly comprises degassed module 203, check valve 213, pump 202.Ink supply assembly is composed in series by degassed module 203, check valve 213 and pump 202 successively, it should be noted that, the order of check valve 213 can arrange arbitrarily, for example, in Fig. 2, if ink supply assembly is made up of degassed module 203, pump 202, check valve 213 from top to bottom successively, 213, check valve is connected with pump 202, if ink supply assembly is made up of check valve 213, degassed module 203, pump 202 from top to bottom successively, 213, check valve is connected with degassed module 203, and specific implementation in actual applications does not limit herein.
1402, the ink-jet ink that degassed module is sent into pump carries out degassed, and the ink-jet ink after degassed is sent into transition print cartridge by ink inlet tube.
Wherein, the bottom surface of transition print cartridge is connected with each shower nozzle by multiple ink tubes respectively, and the end face of transition print cartridge was connected with print cartridge by communicating pipe, and print cartridge is connected with negative pressure generator by tracheae.
In embodiments of the present invention, after pump is extracted ink-jet ink out, degassed module carries out degassed to ink-jet ink, from ink supply bucket, extracting ink-jet ink out due to pump is a continuous process, pump is extracted ink-jet ink out and is sent into degassed module, degassed module completes degassed depositing in transition print cartridge afterwards, after transition print cartridge is filled completely by ink-jet ink, can be by communicating pipe ink-jet ink being pressed in print cartridge, due to the liquid level meeting ingress of air of the ink-jet ink in print cartridge, ink-jet ink in print cartridge may dissolved air in small part of gas, produce a small amount of bubble, because effect and the communicating pipe of buoyancy are thinner, bubble generally can be by not entering in transition print cartridge communicating pipe.
1403, after transition print cartridge is filled completely by ink-jet ink, transition print cartridge was pressed into ink-jet ink in print cartridge by communicating pipe.
In the embodiment of the present invention, transition print cartridge was pressed into ink-jet ink in print cartridge by communicating pipe, Bas Discharged in transition print cartridge can be realized to better effect in print cartridge in order to realize, preferably, transition print cartridge can collect in the ink-jet ink after degassed the porch of communicating pipe, that is to say, peak place on the end face of transition print cartridge can be communicated with to the entrance of communicating pipe, like this, when pump will be extracted out after ink-jet ink endlessly, degassed module also can be pressed into the ink-jet ink after degassed in transition print cartridge endlessly, because the ink-jet ink in transition print cartridge only just can enter in print cartridge via communicating pipe, in the time that the ink-jet ink in transition print cartridge is assembled to this peak (being the entrance of communicating pipe) except peak from the end face of transition print cartridge, air in transition print cartridge also can be squeezed to this peak, the air in transition print cartridge namely can enter into print cartridge.
1404, negative pressure generator makes the space of the ink-jet ink top in print cartridge keep negative pressure state by tracheae.
In embodiments of the present invention, negative pressure generator, for generation of negative pressure, makes the space of ink top in print cartridge keep negative pressure state.
Not degassed ink in ink supply bucket becomes degassed ink after ink supply assembly, and degassed ink enters in transition print cartridge by ink inlet tube, then by entering in print cartridge communicating pipe.Because the bottom surface of transition print cartridge is horizontal plane or the shape of transition gradually, end face is the shape of transition gradually, fills in the process that China ink rises at ink, and the gas in transition print cartridge is expressed in print cartridge by ink.
1405, transition print cartridge is distributed to each shower nozzle by the ink-jet ink after degassed and is carried out ink-jet use.
Due to the ink level ingress of air in print cartridge, the ink in print cartridge may dissolved air in portion gas, produce a small amount of bubble.But due to the characteristic of resistance and the bubble floating of communicating pipe, the bubble in the ink in print cartridge is difficult to enter in transition print cartridge, and therefore, the ink of transition print cartridge remains degassed ink, and distributes and supply with multiple shower nozzles by multiple ink tubes.
In the embodiment of the present invention, the ink-jet ink that degassed module is sent into pump carries out degassed, then send in transition print cartridge, finally by transition print cartridge, the ink-jet ink after degassed is distributed to multiple shower nozzles and carry out ink-jet use, owing to need to not connecting separately a degassed module for each shower nozzle, but by pumping ink pipe, pump and degassed module are coupled together, altogether only use a degassed module just can provide degassed ink-jet ink to thering are multiple shower nozzles, use the quantity of degassed module far fewer than the quantity of the required use of prior art, save the manufacturing cost of ink-jet printer.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method is can carry out the hardware that instruction is relevant by program to complete, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only storage, disk or CD etc.
Above the degas method of a kind of ink-jet printer provided by the present invention and ink-jet ink is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. an ink-jet printer, described ink-jet printer comprises: pump, degassed module, multiple shower nozzle, ink supply bucket, it is characterized in that, described ink-jet printer, also comprises: transition print cartridge, print cartridge, negative pressure generator, wherein,
Described pump is connected with described degassed module by pumping ink pipe, described degassed module is connected with described transition print cartridge by ink inlet tube, the bottom surface of described transition print cartridge is connected with each shower nozzle by multiple ink tubes respectively, the end face of described transition print cartridge was connected with described print cartridge by communicating pipe, and described print cartridge is connected with negative pressure generator by tracheae;
Described pump, extracts ink-jet ink out for the described ink supply bucket from depositing same color ink-jet ink, then sends into described degassed module;
Described degassed module, carries out degassedly for the ink-jet ink that described pump is sent into, the ink-jet ink after degassed is sent into described transition print cartridge by described ink inlet tube;
Described transition print cartridge, for holding described ink-jet ink after degassed; After described transition print cartridge is filled completely by ink-jet ink, by described communicating pipe ink-jet ink being pressed in described print cartridge; Ink-jet ink after degassed is distributed to each shower nozzle and carry out ink-jet use;
Described negative pressure generator, keeps negative pressure state for the space that makes the ink-jet ink top in described print cartridge by described tracheae.
2. ink-jet printer according to claim 1, is characterized in that, the entrance of described communicating pipe is communicated in the peak on the end face of described transition print cartridge.
3. ink-jet printer according to claim 2, is characterized in that,
The end face of described transition print cartridge is bilateral inclined plane, and the entrance of described communicating pipe is communicated in the peak that described bilateral inclined plane intersects;
Or the end face of described transition print cartridge is one-sided inclined plane, the entrance of described communicating pipe is communicated in the inclination peak on described one-sided inclined plane;
Or the end face of described transition print cartridge is the conical surface, the peak that the summit of the described conical surface is described end face, the entrance of described communicating pipe is communicated in the summit of the described conical surface;
Or the end face of described transition print cartridge is upside of ellipse shape face, the entrance of described communicating pipe is communicated in the peak of described upside of ellipse shape face;
Or the end face of described transition print cartridge is pyramid face, the peak that the summit of described pyramid face is described end face, the entrance of described communicating pipe is communicated in the summit of described pyramid face;
Or the end face of described transition print cartridge is first elliposoidal face, the entrance of described communicating pipe is communicated in the peak of described first elliposoidal face.
4. ink-jet printer according to claim 1, is characterized in that, the bottom surface of described transition print cartridge is horizontal plane, and described ink inlet tube and described multiple ink tube are distributed on the bottom surface of described transition print cartridge.
5. ink-jet printer according to claim 1, is characterized in that, the outlet of described ink inlet tube is communicated in the minimum point on the bottom surface of described transition print cartridge.
6. ink-jet printer according to claim 5, is characterized in that,
The bottom surface of described transition print cartridge is bilateral inclined plane, and the outlet of described ink inlet tube is communicated in the minimum point that described bilateral inclined plane intersects;
Or the bottom surface of described transition print cartridge is one-sided inclined plane, the outlet of described ink inlet tube is communicated in the inclination minimum point on described one-sided inclined plane;
Or the bottom surface of described transition print cartridge is the conical surface, the minimum point that the summit of the described conical surface is described bottom surface, the outlet of described ink inlet tube is communicated in the summit of the described conical surface;
Or the bottom surface of described transition print cartridge is lower half elliptic face, the outlet of described ink inlet tube is communicated in the minimum point of described lower half elliptic face;
Or the bottom surface of described transition print cartridge is pyramid face, the minimum point that the summit of described pyramid face is described bottom surface, the outlet of described ink inlet tube is communicated in the summit of described pyramid face;
Or the bottom surface of described transition print cartridge is second elliposoidal face, the outlet of described ink inlet tube is communicated in the minimum point of described second elliposoidal face.
7. ink-jet printer according to claim 1, it is characterized in that, described ink-jet printer also comprises: check valve, and described check valve carries out one-way conduction for the ink-jet ink that described pump is extracted out, and described check valve is connected with described pump and/or described degassed module.
8. the degas method of an ink-jet ink, described method comprises: pump is extracted ink-jet ink out from deposit the ink supply bucket of same color ink-jet ink, then send into a degassed module, described pump is connected with described degassed module by pumping ink pipe, it is characterized in that, after described ink-jet ink is sent into described degassed module, described method, also comprises:
The ink-jet ink that described degassed module is sent into described pump carries out degassed, ink-jet ink after degassed is sent into transition print cartridge by ink inlet tube, described degassed module is connected with described transition print cartridge by described ink inlet tube, the bottom surface of described transition print cartridge is connected with each shower nozzle by multiple ink tubes respectively, the end face of described transition print cartridge was connected with print cartridge by communicating pipe, and described print cartridge is connected with negative pressure generator by tracheae;
After described transition print cartridge is filled completely by ink-jet ink, described transition print cartridge was pressed into ink-jet ink in described print cartridge by described communicating pipe;
Described negative pressure generator makes the space of the ink-jet ink top in described print cartridge keep negative pressure state by described tracheae;
Described transition print cartridge is distributed to each shower nozzle by the ink-jet ink after degassed and is carried out ink-jet use.
9. method according to claim 8, is characterized in that, described transition print cartridge was pressed into ink-jet ink in described print cartridge by described communicating pipe, comprising:
Described transition print cartridge collects in the ink-jet ink after degassed the porch of described communicating pipe, and described degassed ink enters communicating pipe by the entrance of described communicating pipe, enters in described print cartridge through after described communicating pipe.
10. method according to claim 8, is characterized in that, described method also comprises:
The ink-jet ink that check valve is extracted out described pump carries out one-way conduction, and described check valve is connected with described pump and/or described degassed module.
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