CN101332718A - Head ink separation type ink jetting device - Google Patents
Head ink separation type ink jetting device Download PDFInfo
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- CN101332718A CN101332718A CNA2007101260256A CN200710126025A CN101332718A CN 101332718 A CN101332718 A CN 101332718A CN A2007101260256 A CNA2007101260256 A CN A2007101260256A CN 200710126025 A CN200710126025 A CN 200710126025A CN 101332718 A CN101332718 A CN 101332718A
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Abstract
The invention provides an ink-jet device, comprising an ink-jet head and an ink supply base. The ink-jet head is provided with an ink memory; the ink supply base is used for bearing the ink-jet head and leads the ink coming from the ink box to be filled in the ink memory. The ink memory is provided with an ink passage, a ball valve, a memory area and an ink guiding hole. The ball valve is arranged at the outlet of the ink passage and provided with a floating ball which is used for closing the ink passage. The memory area is communicated to the ink passage and used for storing the ink to be used by the ink-jet head. The ink guiding hole is arranged on the lower surface of the ink memory and communicated to the memory area so as to balance the internal pressure of the ink memory and the external pressure. When the ink of the memory area is higher than a certain water level, the ball valve closes the ink passage so as to stop the injection-in of the ink. The ink supply base is provided with a pumping cover which is connected with a pumping pump. The ink-jet device of the invention solves the problem that the volume and the weight of the ink-jet head and the movable bearing part can not be reduced as the design of the traditional ink-jet device is excessively complex.
Description
Technical field
The present invention relates to a kind of ink discharge device and ink gun thereof, especially the ink discharge device of a kind of separation type ink and ink gun thereof.
Background technology
In the ink discharge device of inkjet printing machine, the required ink of ink gun (print head) mimeograph documents is supplied by a print cartridge (tank).Print cartridge adopted deserted design in the past, had ink gun on it.Because ink gun is with high costs, and be longer than the ink supply time of print cartridge the service life of ink gun usually,, print cartridge abandoned in the lump together with the ink gun on it if after ink is finished using in print cartridge, can increase the cost of print cartridge like this, abandoning of ink gun also is to cause waste.In order to address this problem, many ink guns to occur and separate (separation type ink) design with print cartridge, to save the cost of print cartridge.
In the inkjet printing machine of a separation type ink, have an ink housing tube (reservoir) in the ink gun usually, store ink from print cartridge, use for ink gun.Secondly, can be in order to make the ink in the ink housing tube smoothly by the ink gun ejection, ink housing tube inside must be in communication with the outside.But, the quantity of ink in ink housing tube can guide in the ink housing tube smoothly in order to make the ink in the print cartridge when reducing, and ink housing tube inside must be isolated from the outside again, makes ink be able to inject ink housing tube because of the suction action of pump.
In order to reach aforementioned binomial function, ink-jet printer on the market possesses independently pressure equaliser and ink-guiding valve door (prime valve) more at present.Wherein, the pressure equaliser purpose is to make the ink in the ink housing tube to be sprayed to print by ink gun smoothly, and the purpose of ink-guiding valve door then is to make the ink of print cartridge to inject in the ink housing tube smoothly.Pressure equaliser has a pressure balance valve usually.But, pressure equaliser and ink-guiding valve door are provided with the structure that will cause ink housing tube and become complicated, and volume also is difficult to dwindle.
When printing, the pressure balance valve is held open at ordinary times, so that ink can be sprayed by ink gun smoothly in the ink housing tube.But, when print cartridge is led China ink (be in the ink injection ink housing tube print cartridge in time), the pressure balance valve then must be closed.In order to satisfy aforementioned need, traditional method also need be made the keying of extra mechanism controls pressure balance valve on the bearing part of ink gun.
Secondly, be provided with a plurality of storage areas in the ink housing tube usually, to hold the ink of different mass colours.Because each chromatic ink uses speed different, ink housing tube must be provided with a plurality of pressure balance valves that can independently control, could carry out selectivity with regard to the ink of different colours and lead China ink.Therefore, each pressure balance valve all needs its keying of mechanism controls.But, the weight that such demand will cause the carrying ink gun to move bearing part increases with volume, and then the energy consumption of CD-ROM drive motor is risen, and the accuracy of ink gun location also can and be adversely affected because of the weight and the volume increase of mobile bearing part.
Therefore, the invention provides the ink discharge device of a kind of separation type ink.And the problem that cause ink gun and mobile bearing part volume, weight can't reduce too complicated at the design of traditional ink discharge device proposes the method for solution.
Summary of the invention
Main purpose of the present invention is to simplify the design of the ink discharge device of a tradition separation type ink, especially wherein indispensable pressure equaliser with lead device for ink.It can dwindle the volume of ink gun, with the reduction cost of manufacture, and the accurate positioning that improves ink gun.
Another object of the present invention is under the prerequisite of the design of the ink discharge device of simplifying a tradition separation type ink, makes ink housing tube lead China ink individually or all with regard to each chromatic ink, to satisfy the demand that each chromatic ink uses the speed difference to be produced.
The invention provides an ink discharge device, this ink discharge device comprises an ink gun and an ink feed seat.Ink gun has an ink housing tube.This ink housing tube comprises a plurality of ink channels, a plurality of ball valve, a plurality of storage area and a plurality ofly leads black pore.Wherein, each ink channel corresponds to the ink of different mass colours respectively.Each ball valve lays respectively at the outlet of corresponding ink channel.Each ball valve has a ball float respectively, and its proportion is less than the proportion of ink.Each storage area corresponds to different ink channels respectively, to store the ink of different mass colours.Respectively lead black pore and be positioned at the lower surface of ink housing tube, and be communicated to corresponding storage area, with inner with the extraneous pressure of balance ink housing tube.Wherein, when the ink of storage area exceeded certain water level, ball float was closed ball valve and is injected the storage area to stop ink.
The ink feed seat and makes ink be filled to ink housing tube by ink channel in order to the carrying ink gun.This ink feed seat comprises that a draft hood and leads black control module.Draft hood is connected to an aspiration pump, and when ink gun moves to the ink feed seat, draft hood covers these and leads black pore, and aspiration pump makes ink housing tube inside present negative pressure by leading black pore.Lead black control module and have a cam set and a plurality of nose bar, by the rotation of control cam set, can determine to move on whether each nose bar and close the corresponding black pore of leading, pent ink of leading the pairing mass colour of black pore can not be imported into the storage area.
This is led black pore and is communicated to corresponding storage area by an air guide channel.This air guide channel has at least one section and is positioned at this top, storage area.
This ink housing tube can also comprise a pressure compensation opening, is positioned at this ink housing tube lower surface, and this pressure compensation opening is communicated to this a plurality of storage areas simultaneously, with balance this ink housing tube inside and ambient pressure.This pressure compensation opening is communicated to corresponding this storage area by an air guide channel.This air guide channel has at least one section and is positioned at this top, storage area.
Above-mentioned ink discharge device also comprises a plurality of blottings cotton region, and is corresponding respectively and be communicated to this a plurality of storage areas, and this pressure compensation opening is communicated to this a plurality of storage areas simultaneously by this a plurality of blottings cotton region.
The present invention also provides a kind of ink feed seat, in order to the carrying ink gun, and filling ink is to the interior ink housing tube of described ink gun, the lower surface of described ink housing tube has at least one and leads black pore, described ink feed seat comprises draft hood, is connected to an aspiration pump, when described ink gun moves to described ink feed seat, described draft hood cover described at least one lead black pore, described aspiration pump by described at least one lead black pore and make described ink housing tube inside present negative pressure.
Wherein, described at least one lead black pore and be communicated to described ink housing tube inside.Described ink housing tube lower surface has pressure compensation opening, with inner with the extraneous pressure of the described ink housing tube of balance
This ink feed seat can also comprise leads black control module, have a cam set and a plurality of nose bar, by controlling the rotation of described cam set, can determine to move on whether each described nose bar and close corresponding described a plurality of black pores of leading, pent described ink of leading the pairing mass colour of black pore can not be imported into described ink housing tube.
Ink discharge device provided by the present invention can be simplified the design of traditional head ink separation type ink jetting device, pressure equaliser especially wherein and ink-guiding valve door.By this, can dwindle the volume of ink gun, the accurate positioning that reduces cost of manufacture and improve ink gun.In addition, ink discharge device provided by the present invention also can be led China ink respectively with regard to each chromatic ink, to satisfy the demand that each chromatic ink uses the speed difference to be produced in the ink housing tube
Can be further understood by the following detailed description and accompanying drawings about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 is the schematic diagram of ink discharge device one preferred embodiment of the present invention;
Fig. 2 is the schematic diagram of ink housing tube one preferred embodiment of the present invention;
Fig. 2 A is the decomposing schematic representation of the ink housing tube among Fig. 2;
Fig. 2 B is that ink housing tube among Fig. 2 is along the generalized section of a-a direction;
Fig. 2 C shows when the ink of ink housing tube in the storage area among Fig. 2 B exceeds certain water level, the situation that ball valve is closed automatically;
Fig. 3 is that ink housing tube among Fig. 2 is along the generalized section of b-b direction;
Fig. 4 and Fig. 4 A are ink feed seat one preferred embodiment schematic diagram of the present invention; And
The schematic diagram of another preferred embodiment of ink housing tube that Fig. 5 A and Fig. 5 B match with it for ink feed seat of the present invention.
The specific embodiment
Fig. 1 is the schematic diagram of ink discharge device 100 1 preferred embodiments provided by the present invention.As shown in FIG., this ink discharge device 100 adopts a separation type ink design, has ink gun of separation 200 and print cartridge (tank) 500.This ink discharge device also has an ink feed seat 300.Ink gun 200 scans along a main shaft 400, provides ink to print media (as file) to print.Ink feed seat 300 is positioned at outside the sweep limits of ink gun 200.When the quantity of ink in the ink housing tube of ink gun 200 is not enough, ink gun 200 can move to ink feed seat 300 along main shaft 400, ink draws via suction pump (not shown) in the print cartridge 500, is filled in ink gun 200 ink housing tubes by ink feed seat 300.
Fig. 2 is the schematic diagram of ink housing tube 210 1 preferred embodiments of ink gun 200 of the present invention.Fig. 2 A is the decomposing schematic representation of the ink housing tube 210 of Fig. 2.Fig. 2 B is the generalized section (in figure arrow represent the flow direction of ink) of the ink housing tube 210 of Fig. 2 along the a-a direction.As shown in FIG., this ink housing tube 210 has a plurality of ink channels 220, a plurality of ball valve 240 (being example with a ball valve 240 only among the figure), a plurality of storage area 250, a plurality of blottings cotton region 260, a plurality of black pore 280 and a plurality of ink runners 290 of leading.
Shown in Fig. 2 B, inject in ink housing tubes 210 storage areas 250 via ink channel 220 from the ink of print cartridge 500.Each ink channel 220 corresponds to the print cartridge of different mass colours respectively among Fig. 2.Be respectively arranged with a ball valve 240 in the exit of each ink channel 220.This ball valve 240 has a ball float 242, and its proportion is less than ink proportion.Please be simultaneously with reference to Fig. 2 C, when the ink of storage area 250 exceeded certain water level, ball float 242 rose along with the ink water level and closes ball valve 240, to close the outlet that is positioned at storage area 250 top ink channels 220, stopped ink and injected (promptly stopping to lead China ink).
Please be simultaneously with reference to Fig. 2 A, the side in each storage area 250 has an opening 252 respectively and is communicated to corresponding blotting cotton region 260.The below in each blotting cotton (absorber) district 260 has an outlet 262 respectively and is communicated to corresponding ink runner 290, prints required ink in order to ink-jet chip (not icon) to be provided.Ink then is to be provided to print media by the inkjet mouth 292 that is positioned at ink housing tube lower surface 210a.
In order to make the inks in the print cartridge 500 inject storage areas 250 via ink channel 220 smoothly, as shown in Figure 2, be manufactured with at ink housing tube 210 lower surface 210a and lead black pore 280.Please refer to shown in Figure 3ly simultaneously, Fig. 3 is the generalized section of the ink housing tube 210 of Fig. 2 along the b-b direction.Be positioned at the black pore 280 of leading of ink housing tube lower surface 210a and be communicated to corresponding storage area 250 by an air guide channel 282.This air guide channel 282 has the top that at least one section S is positioned at storage area 250, and the interface of this air guide channel 282 and storage area 250 also is positioned at the top of storage area 250.By the effect of ball valve 240, can avoid ink inflow air guide channel 282 and obstruction in the storage area 250 to lead black pore 280.
Fig. 4 is the schematic diagram of ink feed seat 300 1 preferred embodiments of the present invention.As shown in FIG., this ink feed seat 300 has a draft hood 320, is connected to an aspiration pump (not shown).When ink gun 200 moves to ink feed seat 300 along main shaft 400, draft hood 320 covers and is positioned at the black pore 280 of leading of ink housing tube 210 lower surface 210a, leads black pore 280 and is communicated to aspiration pump and make.By this, the action of bleeding of aspiration pump can make ink housing tube 210 inside present negative pressure by leading black pore 280, and then makes the ink of print cartridge 500 be able to be filled in the ink housing tube 210 via ink channel 220.
Please refer to Fig. 4 A simultaneously, Fig. 4 A is the generalized section (direction of arrow shows the gas flow under the aspiration pump running among the figure) of Fig. 4 ink feed seat 300.For each chromatic ink is optionally led China ink, this ink feed seat 300 also has leads black control module 340.Leading black control module 340 is made of with a plurality of nose bar 344 cam set 342.These nose bars 344 are aimed at respectively and are positioned at the black pore 280 of respectively leading of ink housing tube lower surface 210a.Whether the rotation of control cam set 342 promptly can determine each nose bar 344 to move up and close the corresponding black pore 280 of leading.And leading under the situation that black pore 280 closed by nose bar 344, corresponding storage area 250 promptly isolates with aspiration pump, and can not produce negative pressure because the bleeding action of aspiration pump, and the ink of corresponding mass colour just can not inject storage area 250 yet.Therefore, ink feed seat of the present invention 300 can optionally be led China ink with regard to each chromatic ink by the action of control cam set 342, uses the black demand of leading that speed difference produced to satisfy each chromatic ink.
Fig. 5 A and Fig. 5 B are the schematic diagram of ink feed seat 300 another preferred embodiments of matching with it of ink housing tube 210 of the present invention.Fig. 5 A only shows the difference place of the ink housing tube 210 of the ink housing tube of present embodiment and Fig. 2 A, and remainder is then omitted.Shown in Fig. 5 B, this ink housing tube lower surface 210a is except being provided with a plurality of leading the black pore 280, and other is provided with a pressure compensation opening 270.Shown in Fig. 5 A, be different from and lead black pore 280 and be communicated to corresponding storage area 250,270 of pressure compensation openings are to be communicated with each storage area 250 or blotting cotton region 260 simultaneously by air guide channel 272.Therefore, single pressure compensation opening 270 gets final product balance ink housing tube 210 inner each storage area 250 and extraneous pressure, and the inks in the ink housing tube 210 can be sprayed smoothly to print.Air guide channel 272 also has at least one section and is positioned at 250 tops, storage area as air guide channel 282, flows into air guide channel 272 and retaining pressure balance pipe 270 to avoid the ink in the storage area 250.
For the open and close of controlled pressure balance pipe 270, shown in Fig. 5 B, this leads black control module 340 and has a nose bar 346 in addition, aims at this pressure compensation opening 270.By the rotation of cam set 342, lead black control module 340 and controlled the nose bar 346 closing presure balance pipe 270 that moves up.It should be noted that whether no matter other leads black pore 280 is closed when pressure compensation opening 270 is opened, and the inside of each storage area 250 in the ink housing tube 210 all can present negative pressure because of the action of aspiration pump.Therefore, each chromatic ink all can inject in the ink housing tube 210, up to ball valve 240 because ink exceeds certain water level and closes in the storage area 250.And under the situation that pressure compensation opening 270 is closed, 250 of each storage areas are to be communicated with aspiration pump by leading black pore 280 respectively, and this situation and Fig. 4 A embodiment are similar.
Please refer to Fig. 3, when printing at ordinary times, the inside of ink housing tube 210 of the present invention can be in communication with the outside by leading black pore 280, and ink is printed on the file smoothly.Also promptly, when printing at ordinary times, lead black pore 280 and promptly have traditional pressure equaliser function.And when the quantity of ink deficiency of ink housing tube 210 inside, shown in Fig. 4 and Fig. 4 A, ink gun 200 moves to ink feed seat 300, the black pore 280 of respectively leading of ink housing tube 210 is covered by draft hood 320 and is connected with aspiration pump, and the ink of print cartridge 500 is injected in the ink housing tube 210 smoothly.Simultaneously, need a module to be set additionally different with the closing presure compensation flap with conventional art, the black pore 280 (having the pressure equaliser function) of leading of the present invention is covered by draft hood 320 when leading China ink and is isolated from the outside, therefore, the present invention does not need extra module with the closing presure compensation flap.
Secondly, shown in Fig. 5 A, ink feed seat of the present invention has leads black control module 340.Leading black control module 340 can move by cam set 342 control nose bars 344, leads black pore 280 optionally to close.Leading under the black pore 280 pent situations, the ink of corresponding mass colour promptly can not inject in the ink housing tube 210.Therefore, a plurality of independent ink-guiding valve door or a plurality of self-contained pumps of controlling need be set, can lead China ink respectively with regard to each chromatic ink compared to conventional art.Ink feed seat 300 of the present invention only need utilize cam set 342 and the nose bar 344 that matches, and promptly alternative is closed and led black pore 280 and reach this purpose, obviously the effective complexity of reducing apparatus.
In addition, ink housing tube 210 of the present invention also has ball valve 240.Ink when 250 inside, storage area surpasses a predetermined water level, and ball float 242 promptly can rise and close ball valve 240, to close ink channel 220 automatically, stops to inject ink in ink housing tube 210.In addition, because in ink housing tube 210 of the present invention, the exit of each ink channel 220 is respectively arranged with ball valve 240.Therefore, even without the black control module of using shown in Fig. 4 A 340 of leading, the ball valve 240 in the ink housing tube 210 can make the ink water level of 250 inside, storage area be maintained at below the predetermined water level.Therefore, in leading black process,,, lead China ink to carry out selectivity but ink housing tube 210 of the present invention can be closed the ink channel 220 of each mass colour in good time though each chromatic ink injects each storage area 250 of ink housing tube 210 simultaneously.
In sum, ink discharge device 100 provided by the present invention can be simplified the design of traditional head ink separation type ink jetting device, pressure equaliser especially wherein and ink-guiding valve door.By this, can dwindle the volume of ink gun, the accurate positioning that reduces cost of manufacture and improve ink gun 200.In addition, ink discharge device 100 provided by the present invention also can be led China ink respectively with regard to each chromatic ink, to satisfy the demand that each chromatic ink uses the speed difference to be produced in the ink housing tube.
The above utilizes preferred embodiment to describe the present invention in detail, and the unrestricted scope of the invention, and those skilled in the art all can understand, suitably does some little change and adjustment, will not lose main idea of the present invention place, does not also break away from spirit and scope of the invention.
The primary clustering symbol description
Print cartridge 500 ink housing tubes 210
Ink housing tube lower surface 210a ink channel 220
260 outlets 262 of blotting cotton region
Lead black pore 280 air guide channels 272,282
Ink runner 290 inkjet mouths 292
Lead black control module 340 cam set 342
Nose bar 344,346 pressure compensation openings 270
Claims (10)
1. ink housing tube comprises:
A plurality of ink channels;
A plurality of ball valves lay respectively at the outlet of described a plurality of ink channels, and described a plurality of ball valves have a ball float respectively;
A plurality of storage areas correspond to described a plurality of ink channel respectively;
A plurality ofly lead black pore, be positioned at the surface of described ink housing tube, and be communicated to corresponding described a plurality of storage areas respectively, with inner with the extraneous pressure of the described ink housing tube of balance; And
Wherein, when the ink of described storage area exceeded certain water level, corresponding described ball float was closed corresponding described ball valve, injected described storage area to stop ink.
2. ink housing tube according to claim 1 wherein, is describedly led black pore and is communicated to corresponding described storage area by an air guide channel.
3. ink housing tube according to claim 2, wherein, described air guide channel is positioned at the top of described storage area.
4. ink housing tube according to claim 2, wherein, described ink gun also comprises a pressure compensation opening, is positioned at the lower surface of described ink housing tube, described pressure compensation opening is communicated to described a plurality of storage area simultaneously, with inner with the extraneous pressure of the described ink housing tube of balance.
5. ink housing tube according to claim 4, wherein, described pressure compensation opening is communicated to corresponding described storage area by an air guide channel.
6. ink housing tube according to claim 5, wherein, described air guide channel is positioned at the top of described storage area.
7. ink housing tube according to claim 6, wherein, described ink housing tube is applicable to the design that the head China ink separates.
8. ink feed seat, in order to the carrying ink gun, and the ink housing tube of filling ink to the described ink gun, the lower surface of described ink housing tube has at least one and leads black pore, and described ink feed seat comprises:
Draft hood is connected to an aspiration pump, when described ink gun moves to described ink feed seat, described draft hood cover described at least one lead black pore, described aspiration pump by described at least one lead black pore and make described ink housing tube inside present negative pressure.
9. ink feed seat according to claim 8 also comprises:
Lead black control module, have a cam set and a plurality of nose bar, by controlling the rotation of described cam set, can determine to move on whether each described nose bar and close corresponding described a plurality of black pores of leading, pent described ink of leading the pairing mass colour of black pore can not be imported into described ink housing tube.
10. ink discharge device comprises:
Ink gun has ink housing tube, and described ink housing tube comprises:
A plurality of ink channels correspond to the ink of different mass colours respectively;
A plurality of ball valves lay respectively at the outlet of corresponding described a plurality of ink channels, and described a plurality of ball valves have a ball float respectively;
A plurality of storage areas correspond to described a plurality of ink channel respectively, to store the ink of different mass colours; And
A plurality ofly lead black pore, be positioned at the lower surface of described ink housing tube, and be communicated to corresponding described a plurality of storage areas respectively, with inner with the extraneous pressure of the described ink housing tube of balance;
Wherein, when the ink of described storage area exceeded certain water level, corresponding described ball float was closed corresponding described ball valve, injected described storage area to stop ink;
The ink feed seat, in order to carry described ink gun and to make ink be filled to described ink housing tube by these ink channels, described ink feed seat comprises:
Draft hood is connected to an aspiration pump, and when described ink gun moves to described ink feed seat, described draft hood covers described a plurality of black pore of leading, and described aspiration pump is a plurality ofly led black pore and made described ink housing tube inside present negative pressure by described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101260256A CN101332718A (en) | 2007-06-29 | 2007-06-29 | Head ink separation type ink jetting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101260256A CN101332718A (en) | 2007-06-29 | 2007-06-29 | Head ink separation type ink jetting device |
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| Publication Number | Publication Date |
|---|---|
| CN101332718A true CN101332718A (en) | 2008-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101260256A Pending CN101332718A (en) | 2007-06-29 | 2007-06-29 | Head ink separation type ink jetting device |
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| Country | Link |
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| CN (1) | CN101332718A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717602A (en) * | 2012-06-29 | 2012-10-10 | 珠海天威飞马打印耗材有限公司 | Ink filling device and ink filling method |
| CN102717600A (en) * | 2012-06-29 | 2012-10-10 | 珠海天威飞马打印耗材有限公司 | Ink filling device and ink filling control method |
| CN106827802A (en) * | 2017-02-15 | 2017-06-13 | 长兴创智科技有限公司 | The automatic ink loader structure of printing machine based on floater seal |
-
2007
- 2007-06-29 CN CNA2007101260256A patent/CN101332718A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717602A (en) * | 2012-06-29 | 2012-10-10 | 珠海天威飞马打印耗材有限公司 | Ink filling device and ink filling method |
| CN102717600A (en) * | 2012-06-29 | 2012-10-10 | 珠海天威飞马打印耗材有限公司 | Ink filling device and ink filling control method |
| CN106827802A (en) * | 2017-02-15 | 2017-06-13 | 长兴创智科技有限公司 | The automatic ink loader structure of printing machine based on floater seal |
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Open date: 20081231 |