CN1827381B - Ink jet recorder - Google Patents
Ink jet recorder Download PDFInfo
- Publication number
- CN1827381B CN1827381B CN2006100198111A CN200610019811A CN1827381B CN 1827381 B CN1827381 B CN 1827381B CN 2006100198111 A CN2006100198111 A CN 2006100198111A CN 200610019811 A CN200610019811 A CN 200610019811A CN 1827381 B CN1827381 B CN 1827381B
- Authority
- CN
- China
- Prior art keywords
- absorber
- ink
- ink jet
- jet recorder
- nozzle plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
- B41J2/16508—Caps, spittoons or covers for cleaning or preventing drying out connected with the printer frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/1433—Structure of nozzle plates
Abstract
An ink jet recorder of the present invention provides an apparatus in which an ink drip from a nozzle plate is prevented, deterioration of image quality is suppressed, and damage to the nozzle plate is prevented. An ink jet recorder for performing recording by an ink jet head on a medium to be recorded is constructed by including a hydrophilic nozzle plate 4, an ink absorber 5 which absorbs ink, an absorber holding board 6, pressurizing means for supplying ink to the ink jet head, and a cap 9 which sucks ink in theinkabsorber. Thus, ink is prevented from staying in the vicinity of nozzles, and the nozzle plate is prevented from being directly damaged, so it is possible to provide an ink jet recorder in which deterioration of image quality is prevented.
Description
Technical field
The present invention relates to ink jet recorder, it can prevent to have the deterioration of image quality of the ink jet-print head of a plurality of nozzles that are used for ink-jet.
Background technology
The ink jet recorder on the media that will be recorded that is used for as routine by being used for writing down from the ink gun of a plurality of nozzle ink jets, this logging machine is known, wherein prevents the drippage (for example with reference to JP2002-301830A (Fig. 1)) of China ink by the design cover structure.
Followingly traditional ink jet recorder has been described with reference to figure 7.
The covering of this tradition ink jet recorder is equipped with the China ink that is used to cover the nozzle of ink gun and imports China ink in it and imports and cover 101, also is equipped with to be used to remove the useless China ink that rests on useless black 117 between ink gun 107 and the frame 103 and to remove and cover 102.China ink importing suction pump 105 is connected to the China ink importing and covers 101.China ink imports and cover 101, useless China ink remove cover 102 and black importing suction pump 105 be included in the cap unit 104.
Under situation about China ink being imported in the ink gun 107, China ink import cover 101 and useless China ink remove and cover 102 and be compressed against on the nozzle plate 108 and frame 103 of ink gun 107, to pass through cap unit 104 and its close contact.China ink importing pump 105 is driven then, and China ink is imported in the ink gun 107 by negative pressure.
At this constantly, as shown in Figure 7, useless China ink removes and cover 102 and be configured to by absorber 106, for example is provided at the interior sponge of lid and removes and appear at useless black 117 between ink gun 107 and the frame 103.Further, resting on useless black 117 in the lid removes and covers 102 pipe 118 and run up in the waste ink tank and (do not draw) by being connected to useless China ink.
As mentioned above, when lid is raised, for example under the printing armed state, become possibility, therefore make to prevent that the media that will be recorded from being become possibility by the ink droplet pollution from removing useless China ink 117 between ink gun 107 and the frame 103.
In traditional as described above ink-jet printer, the lid structure that has complicated shape is necessary, and the finishing shape and need have the high accuracy quality of lid.
Further, when the record on the media that will be recorded by from continuously multi-jet or when ink-jet is carried out off and on, adjunct this moment (satellite) occurs from the China ink that is ejected, part adjunct is attached on the nozzle plate, and the injection direction of China ink is departed from, and causes deterioration of image quality.
Further, the nozzle plate of the ink gun on the frame directly is exposed to the media surface that will be recorded, therefore unexpectedly touch the gauffer of the media that will be recorded or touch under the situation of unexpected big dust on the media that will be recorded at nozzle plate, nozzle plate is easy to be damaged, and causes deterioration of image.
JP 2004-230745 has disclosed a kind of ink jet-print head with the plate that is adhered to nozzle surface, thereby its edge is arranged near the nozzle.Near the nozzle China ink slurry is removed near the nozzle by the capillarity that occurs between nozzle surface and the plate.Plate has the black absorber that is attached on it, and China ink at first is stored in the black absorber, and it is then by pump or analog suction, thereby suppresses near the formation of the China ink slurry the nozzle during long-time.
Summary of the invention
The present invention be used for considering solving such traditional structure intrinsic those problems.The purpose of this invention is to provide and prevent that China ink from dripping, prevent deterioration of image quality and preventing the ink jet recorder that nozzle plate damages from nozzle plate.
For realizing purpose as described above, according to the present invention, be provided for ink jet recorder at the enterprising line item of media, ink jet recorder comprises: be used for from being provided at the ink gun of a plurality of nozzle ink jets on the hydrophily nozzle plate; Absorption rests on the black absorber of the China ink on the nozzle plate; The absorber holding device, it is used for clamping and keeping black absorber between nozzle plate and absorber holding device; And be used for from the aspirator of black absorber suction China ink; It is characterized in that: aspirator comprises in abutting connection with the lid arrangement of absorber holding device.
To its operation be described.Nozzle plate is fabricated in ink gun to hydrophilic.Further, provide black absorber with the contact nozzle plate.Therefore, be attached to the whole surface that unnecessary China ink on the nozzle plate is diffused into nozzle plate; And black absorber absorbs China ink.Therefore prevent that China ink from resting near the nozzle and prevent deterioration of image.Further, the China ink that is absorbed by black absorber is discharged into the outside by aspirator to pre-determine the suction operation of carrying out at interval, therefore can suppress the ink droplet from absorber.Further, the absorber holding device remains between nozzle plate and the absorber holding device self absorber and the covering nozzles plate.Therefore can prevent that nozzle plate from directly being damaged and preventing deterioration of image.Further, ink gun can be filled China ink by pressue device.
According to second device that is used to deal with problems, in ink jet recording device of the present invention, black absorber forms so frame shape, makes opening be provided at the nozzle array part on the nozzle plate.
To its operation be described.The opening of nozzle array part makes and can and allow black absorber to absorb effectively attached to the unnecessary China ink on the nozzle plate from nozzle ink jet.Therefore suppressed China ink near nozzle stop and prevented deterioration of image.
According to the 3rd device that addresses this problem, in ink jet recording device of the present invention, black absorber is made by the absorber of porous.
To its operation be described.The porous absorber can more effectively absorb China ink.Consequently prevented China ink near nozzle stop and prevented deterioration of image.
According to the 4th device that addresses this problem, in ink jet recording device of the present invention, the absorber holding device forms so frame shape, makes opening be provided at the nozzle array part on the nozzle plate.
To its operation be described.The opening of absorber holding device makes and can black absorber be pressed against on the nozzle plate from nozzle ink jet and absorber holding device that therefore making black absorber absorb China ink becomes possibility.As a result of, prevented China ink near nozzle stop and prevented deterioration of image.
According to the 5th device that addresses this problem, in ink jet recording device of the present invention, the opening size of the nozzle array of absorber holding device part is set at the nozzle array opening size approximately equal partly with black absorber.
To its operation be described.The opening size of the nozzle array part of absorber holding device is set at the nozzle array opening size approximately equal partly with black absorber, has therefore prevented that black absorber from directly being hauled out from the outside.
According to the 6th device that addresses this problem, in ink jet recording device of the present invention, the absorber holding device is constructed so that the peripheral side of black absorber is communicated with atmosphere.
To its operation be described.The peripheral side of China ink absorber is communicated with atmosphere.Therefore the China ink that keeps by black absorber can be discharged into open side from the peripheral side of black absorber by aspirator.Therefore, suppressed from the ink droplet of absorber and prevented deterioration of image.
When by aspirator suction China ink, negative pressure is applied on the black absorber by absorber holding device and lid arrangement, and therefore the China ink in black absorber can be drawn onto the outside.
Preferably, in ink jet recording device of the present invention, lid arrangement is formed by elastomeric element.
To its operation be described.Lid arrangement is formed by elastomeric element, so the close contact performance of lid arrangement and absorber holding device is enhanced, makes that therefore more effectively aspirating China ink becomes possibility.
Suitably, in ink jet recording device of the present invention, lid arrangement is formed by porous absorber and the housing parts that is used for the porous absorber.
To its operation be described.Though this device of dealing with problems has operation similar to the above, available its simple structure of this device of dealing with problems realizes operation as above.
As mentioned above, in ink jet recorder according to the present invention, prevent that China ink from resting near the nozzle.As a result of, can provide the ink jet recorder that prevents deterioration of image quality.
Further, can prevent that nozzle plate from directly being damaged, therefore making provides the ink jet recorder that further prevents deterioration of image quality to become possibility.
Description of drawings
Fig. 1 shows the partial cross section view according to ink jet recorder of the present invention;
Fig. 2 shows the external view of the black absorber shown in Fig. 1;
Fig. 3 shows the explanatory diagram of the black absorber operation shown in Fig. 1;
Fig. 4 shows the cross sectional view according to another embodiment of black absorber of the present invention;
Fig. 5 shows the cross sectional view according to another embodiment of absorber holding plate of the present invention;
Fig. 6 shows the cross sectional view according to another embodiment of cap unit of the present invention; And
Fig. 7 shows the partial cross section view of traditional ink jet recorder.
The specific embodiment
Following will the detailed description in detail embodiments of the invention based on Fig. 1 to Fig. 3.
The present invention is applied to by the ink jet recorder of rack-mounted ink gun at the enterprising line item of media that will be recorded among this embodiment.Among Fig. 1, reference identification 1 is the major part of ink gun, has actuator part 2 and hydrophily nozzle plate 4 (being made as its material by polyimides), the multiinjector 3 shown in comprising.Reference identification 5 is black absorber, and it absorbs the China ink that rests on nozzle plate 4 places.Reference identification 6 is the absorber holding plate, and it is clamped black absorber 5 and remain between nozzle plate 4 and the absorber holding plate self.Reference identification 7 is a frame, comprises absorber holding plate 6, and ink gun 1 is installed thereon.Reference identification 8 is the major part of aspirating mechanism, and its suction rests on the China ink at black absorber 5 places, and comprises and cover 9 and manage 10, and they all are the rubber pattern product.China ink absorber 5 forms frame shape, wherein provides opening as shown in Figure 2 in the nozzle array part of the multiinjector 3 of nozzle plate 4.Further, in absorber holding plate 6, also provide and the similar opening of black absorber 5 split sheds.
In the present embodiment, black absorber 5 is " A " serial sponge sheet formation of 1mm by thickness, and it is the porous member that AION Co., Ltd makes.Absorber holding plate 6 is that the SUS plate of 0.2mm constitutes by thickness.
Below described by the operation of ink gun at the ink jet recorder of the enterprising line item of media that will be recorded.At first, carrying out initial padding is that ink gun is filled China ink.Just, as known, when ink gun 1 was filled China ink, China ink was fed into ink gun 1 by pressue device, and China ink begins then from nozzle 3 ejections.
In as above operation, treat to discharge as follows from the China ink that ink gun is discharged, promptly cover 9 with absorber holding plate 6 adjacency, therefore cause China ink to be sucked from managing 10.Notice that even after the padding of using pressurization stops, the China ink on the nozzle plate 4 also can temporarily be removed from nozzle plate 4 by aspirating China ink.
Further, even the China ink that is absorbed in the black absorber 5 generates when filling, the peripheral side of China ink absorber 5 is communicated with atmosphere, so air enters into the peripheral side of black absorber 5 as shown in Figure 3 by above-mentioned suction operation, so feasiblely also removes China ink in the black absorber 5 and become possibility.
Then, after initial padding was finished, lid 9 left from absorber holding plate 6, and frame 7 moves to the media that will be recorded and carries out record according to the data that are fed into ink jet recorder.
The operation that prevents deterioration of image quality in record has below been described.To the record of the media that will be recorded by carrying out from multiinjector 3 ink-jets continuously or off and on according to record data.This moment, the injection from China ink produced adjunct, and an appendicular part is attached on the nozzle plate 4.Yet nozzle plate 4 is hydrophilic, so adjunct is in the diffusion into the surface of whole nozzle plate 4, and is absorbed by black absorber 5.Therefore the China ink that gathers because of adjunct do not appear at nozzle 3 near.
Further, even have gauffer and unexpected big dust on the media that will be recorded, nozzle plate 4 impaired possibilities also become minimum, cover because nozzle plate 4 is absorbed device holding plate 6.
Below be described in the clean operation that carries out with predetermined space in the record.In the time of in a large amount of China inks rests on black absorber 5, the record suspend temporarily and cover 9 with absorber holding plate 6 adjacency.As described in the above initial padding of having stated, the China ink that absorbs by black absorber 5 is by being discharged from from managing 10 suction.
Notice that black absorber 5 is not limited to the shape of aforesaid embodiment, and can also have and the similar shape of black absorber 5a shown in Figure 4.Having the parts that identify with Fig. 1 same reference in Fig. 4 is identical part.When black absorber 5a was fabricated to greater than black absorber 5,7 as shown in Figure 4, and then the amount of absorbable China ink can increase, so the necessary time interval of clean operation has prolonged.Therefore, the operating rate of ink jet recorder has improved.
At this moment, be used under the situation of the suction force of absorber suction China ink must also strengthening, China ink may arrive outside the nozzle when suction.Therefore, suggestion provides a kind of mechanism at the supply China ink in the system of ink gun, for example magnetic valve.
Further, absorber holding plate 6 is not limited to the shape of the foregoing description, and absorber holding plate 6b also can be provided in the ink gun as shown in Figure 5.In Fig. 5, has the identical part of parts representative with Fig. 1 same reference sign.In the case, opening 6c is provided in the peripheral side of absorber holding plate 6b, and black absorber 5b is communicated with atmosphere, and therefore the China ink that is absorbed by black absorber 5b can be from wherein removing.
Further, lid 9 is not limited to the shape of the foregoing description, and covers 9 and also can be configured to porous absorber 9c is contained in the housing parts 9b that plastics make, as shown in Figure 6.This is that because under the situation that the China ink in being included in black absorber 5 is sucked, housing parts 9b does not directly contact with nozzle plate 4 because lid needn't comprise soft elastomeric element.Also further, this be because, different with China ink from the situation of nozzle suction, even when absorber holding plate 6 is covered, do not have air-tightness completely, also can aspirate the China ink that is included in the black absorber 5.
Claims (8)
1. ink jet recorder that is used at the enterprising line item of media, this ink jet recorder comprises:
Ink gun (1), it is used for from being provided at a plurality of nozzles (3) ink-jet on the hydrophily nozzle plate (4);
China ink absorber (5), its absorption rests on the China ink on the nozzle plate (4);
Absorber holding device (6), it is used for clamping and keeping black absorber (5) between nozzle plate (4) and absorber holding device (6); And
Aspirator (8), it is used for from black absorber (5) suction China ink;
It is characterized in that: aspirator (8) is included in during the clean operation lid arrangement (9) in abutting connection with absorber holding device (6).
2. ink jet recorder according to claim 1 is characterized in that, black absorber (5) forms so frame shape, and promptly opening is provided in the nozzle array part on the nozzle plate (4).
3. ink jet recorder according to claim 1 and 2 is characterized in that, black absorber (5) is made by the absorber of porous.
4. ink jet recorder according to claim 2 is characterized in that, absorber holding device (6) forms so frame shape, and promptly opening is provided in the nozzle array part on the nozzle plate (4).
5. ink jet recorder according to claim 4 is characterized in that, the size of the opening of the nozzle array part of absorber holding device (6) is set at the size of the opening of the nozzle array part that equals black absorber (5) substantially.
6. ink jet recorder according to claim 5 is characterized in that, absorber holding device (6) is configured to allow the peripheral side of black absorber (5) to be communicated with atmosphere.
7. ink jet recorder according to claim 1 is characterized in that, lid arrangement (9) is formed by elastomeric element.
8. ink jet recorder according to claim 1 is characterized in that, lid arrangement (9) is formed by porous absorber (9c) and the housing parts (9b) that is used for porous absorber (9c).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005051200A JP4570985B2 (en) | 2005-02-25 | 2005-02-25 | Inkjet recording device |
| JP2005051200 | 2005-02-25 | ||
| JP2005-051200 | 2005-02-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1827381A CN1827381A (en) | 2006-09-06 |
| CN1827381B true CN1827381B (en) | 2010-06-16 |
Family
ID=36481296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100198111A Expired - Fee Related CN1827381B (en) | 2005-02-25 | 2006-02-27 | Ink jet recorder |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1695828B1 (en) |
| JP (1) | JP4570985B2 (en) |
| CN (1) | CN1827381B (en) |
| ES (1) | ES2341879T3 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5123881B2 (en) * | 2008-06-05 | 2013-01-23 | エスアイアイ・プリンテック株式会社 | Liquid jet head, liquid jet recording apparatus, and liquid filling method for liquid jet head |
| EP2345539A4 (en) * | 2008-10-09 | 2013-05-29 | Sii Printek Inc | Liquid jetting head, method of charging liquid for liquid jetting head, liquid jetting recording device, and method of using same |
| JP6520316B2 (en) * | 2015-03-31 | 2019-05-29 | ブラザー工業株式会社 | Liquid discharge device |
| CN105128535B (en) * | 2015-09-01 | 2017-03-22 | 宁波荣大昌办公设备有限公司 | Nozzle cleaning mechanism |
| JP7110653B2 (en) * | 2018-03-23 | 2022-08-02 | カシオ計算機株式会社 | printing unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1518688A1 (en) * | 2003-09-26 | 2005-03-30 | Brother Kogyo Kabushiki Kaisha | Inkjet printer including a printhead holder with ink absorbing members |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH089231B2 (en) * | 1984-01-31 | 1996-01-31 | キヤノン株式会社 | Discharge recovery method |
| JPH03164263A (en) * | 1989-11-24 | 1991-07-16 | Canon Inc | Ink jet recorder |
| JPH03240554A (en) * | 1990-02-19 | 1991-10-25 | Canon Inc | Ink jet recording device |
| JPH0483638U (en) * | 1990-11-29 | 1992-07-21 | ||
| JP3520463B2 (en) * | 1998-03-26 | 2004-04-19 | セイコーエプソン株式会社 | Ink jet recording device |
| JP2002273914A (en) * | 2001-03-21 | 2002-09-25 | Olympus Optical Co Ltd | Ink jet printer |
| JP2002301830A (en) * | 2001-04-04 | 2002-10-15 | Seiko Instruments Inc | Ink jet recorder |
| JP2004230745A (en) * | 2003-01-31 | 2004-08-19 | Hitachi Printing Solutions Ltd | Inkjet print head |
-
2005
- 2005-02-25 JP JP2005051200A patent/JP4570985B2/en not_active Expired - Fee Related
-
2006
- 2006-02-17 EP EP20060250857 patent/EP1695828B1/en not_active Expired - Fee Related
- 2006-02-17 ES ES06250857T patent/ES2341879T3/en active Active
- 2006-02-27 CN CN2006100198111A patent/CN1827381B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1518688A1 (en) * | 2003-09-26 | 2005-03-30 | Brother Kogyo Kabushiki Kaisha | Inkjet printer including a printhead holder with ink absorbing members |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1695828A1 (en) | 2006-08-30 |
| ES2341879T3 (en) | 2010-06-29 |
| CN1827381A (en) | 2006-09-06 |
| JP2006231772A (en) | 2006-09-07 |
| EP1695828B1 (en) | 2010-05-19 |
| JP4570985B2 (en) | 2010-10-27 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20190227 |