CN202528588U - Liquid ejecting device - Google Patents
Liquid ejecting device Download PDFInfo
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- CN202528588U CN202528588U CN201220064056XU CN201220064056U CN202528588U CN 202528588 U CN202528588 U CN 202528588U CN 201220064056X U CN201220064056X U CN 201220064056XU CN 201220064056 U CN201220064056 U CN 201220064056U CN 202528588 U CN202528588 U CN 202528588U
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Abstract
The utility model provides a liquid ejecting device which can be used to wipe the ejecting surface of each liquid ejecting head through a scraper blade separately and reliably and inhibit the consumption of a waterproof membrane or the scraper blade. The liquid ejecting device comprises: a plurality of liquid ejecting heads (20) for ejecting a liquid; a retaining component for retaining the plurality of liquid ejecting heads (20); cover caps (70), which are retained on the liquid ejecting surface (27a) side of the liquid ejecting heads (20) and are arranged independently corresponding to each liquid ejecting head (20); and a scraper blade (121), which is arranged in a manner that the scraper blade can be moved towards one direction and used to wipe the liquid ejecting surfaces (27a) through the movement, wherein the width (W1) of the scraper blade (121) is larger than the width (W2) of each liquid ejecting surface (27a) in a direction which is orthogonal to the movement direction of the scraper blade (121), and the scraper blade (121) has a length that will not reach the adjacent liquid ejecting head (20) in the direction which is orthogonal to the movement direction of the scraper blade (121).
Description
Technical field
The utility model relates to a kind of liquid injection apparatus that possesses the jet head liquid of atomizing of liquids, particularly a kind of inkjet recording device that possesses ejection as the ink jet recording head of the printing ink of liquid.
Background technology
In by the liquid injection apparatus of ejection medium atomizing of liquids, for example, known a kind of printing ink that makes is sprayed as liquid, thereby printing mediums such as paper or record sheet (by ejection medium) are implemented the inkjet recording device of printing.
Owing to carried the ink jet recording head on such inkjet recording device; Spray droplets of ink from nozzle opening to printing medium; So because of printing ink attached near the nozzle opening; And the ink solidification that is adhered to, thus exist droplets of ink for example the emission direction problem of unstable, the bad problem of ejection of droplets of ink etc. takes place can not spray.
In order to solve such problem, for example, there is a kind of inkjet recording device, it has the cleaning mechanism of the liquid jet face of cleaning ink jet recording head.Cleaning device particularly has scraper plate, and said scraper plate is formed by polishing piece of processing through rubber slab and the friction member processed through nonwoven etc.And, through make polishing piece with move when the liquid jet face of ink jet recording head contacts, thereby printing ink on the clean liquid jet face or paper powder (for example, with reference to patent documentation 1).
In addition; Be equipped on and for example have following structure in the ink jet recording head on the inkjet recording device; Promptly; Possess and a plurality of running through be provided with the head main body that is used for the nozzle opening that ink jet drips, these a plurality of head main bodies are positioned and are fixed on (for example, with reference to patent documentation 2) on the shared fixed head.
But; If when covering a plurality of ink jet recording heads (head main body) with shared cover cap; Then necessary with an ink jet recording head that the scraper plate wiping is all, thus have to implement wiping to untapped jet recording head, there is the wiping action spended time thus; And the consumption of formed waterproof membrane or scraper plate etc. is very fast on the liquid jet face, and might cause problems such as life of product shortening.
In addition, when with independent each ink jet recording head of scraper plate wiping, then the printing ink during ink jet recording head of wiping will jet face attached to other ink jet recording heads on, thereby have the problems such as wiping is residual that produce.
Patent documentation 1: TOHKEMY 2000-127417 communique
Patent documentation 2: TOHKEMY 2005-096419 communique
The utility model content
The utility model is in view of such problem, and its purpose is, providing a kind of can come separately and the jet face of each jet head liquid of wiping reliably through scraper plate, and suppressed the liquid injection apparatus that waterproof membrane or scraper plate consume.
The mode that is used to solve the utility model of above-mentioned problem is a kind of liquid injection apparatus, it is characterized in that having: a plurality of jet head liquids, its atomizing of liquids; Holding member, it keeps a plurality of said jet head liquids; Cover cap, it is maintained at liquid jet face one side of said jet head liquid, and is provided with independently corresponding to each jet head liquid; Scraper plate; It is provided with the mode that can on a direction, move; And move the said liquid jet face of wiping through this, in addition, with the direction of the moving direction quadrature of said scraper plate on; The width of this scraper plate is longer than the width of said liquid jet face, and have can not arrive with the direction of said moving direction quadrature on the length of said jet head liquid of adjacency.
In related mode; Owing to come to clean individually the liquid jet face of each jet head liquid through scraper plate; Thereby can only clean required jet head liquid, thereby the consumption that therefore can suppress scraper plate or be formed on waterproof membrane on the liquid jet face etc. improves the life-span.In addition, clean the liquid jet face of each jet head liquid individually, also can be suppressed at the residual situation of wiping that produces liquid on other the liquid jet face of jet head liquid through scraper plate.
At this; Also can adopt following mode, that is, be arranged side by side the row that form on the direction side by side by said jet head liquid; On the direction of intersecting with said direction side by side, dispose multiple row, the moving direction of said scraper plate is consistent with the said direction side by side of said jet head liquid.
In addition; Also can adopt following mode, that is, be arranged side by side the row that form on the direction side by side by said jet head liquid; On the direction of intersecting with said direction side by side, dispose multiple row, the direction side by side of said scraper plate is consistent with the direction that the row of said jet head liquid are arranged side by side.
In addition, be preferably, said scraper plate with can between the row of the adjacency of said jet head liquid towards the outside of these row and the mode that moves be set up.Thus, even, also be difficult on the jet head liquid attached to adjacency owing to the elastic force that has carried out cleaning scraper plate afterwards makes liquid splash.
In addition, be preferably, the row of the said jet head liquid that on the direction of intersecting with said direction side by side, adjoins each other are configured to, and on said direction side by side, are positioned at different positions.Thus, can make nozzle rows elongated.
In addition, be preferably, said scraper plate has following curved shape, that is, with the direction of said moving direction quadrature on, center side is compared the curved shape of retreating towards moving direction with both end sides.Thus, it is residual to suppress the wiping of liquid jet face.
Description of drawings
Fig. 1 is the stereogram of the brief configuration of the related tape deck of expression embodiment 1.
Fig. 2 is the side view of the related tape deck of embodiment 1.
Fig. 3 is the cutaway view of the related tape deck of embodiment 1.
Fig. 4 is the vertical view of expression to the cleaning of the related tape deck of embodiment 1.
Fig. 5 is the exploded perspective view of the related head unit of embodiment 1.
Fig. 6 is the vertical view of the related head unit of embodiment 1.
Fig. 7 is the exploded perspective view of the related head of embodiment 1.
Fig. 8 is the vertical view of the related head of embodiment 1.
Fig. 9 is the cutaway view of the related head of embodiment 1.
Figure 10 is vertical view moving direction, liquid injection apparatus of the related scraper plate of other embodiments of expression.
The specific embodiment
Below, at length the utility model is described according to embodiment.
Fig. 1 is a concise and to the point stereogram example, inkjet recording device of expression as the related liquid injection apparatus of the embodiment of the utility model 1, and Fig. 2 is the side view of ink jet recording head.
As shown in the figure, the inkjet recording device I in this embodiment does, an assembly 200 is fixed, thereby and through to implementing printing, so-called line tape deck as being carried by the record sheet S of the paper of ejection medium etc.
Particularly, inkjet recording device I comprises: apparatus main body 2; Assembly 200, it is fixed on the apparatus main body 2; Conveying mechanism 3, it is to as being carried by the record sheet S of ejection medium; Platen 4, it is to supporting with 200 opposite rear side of opposed printing surface of an assembly among the record sheet S; Wiping mechanism, it is configured in the liquid jet face side of an assembly 200, and the liquid jet face is carried out wiping.
At this, that an assembly 200 has is a plurality of, be four head units 1 in this embodiment.And that each head unit 1 has is a plurality of, be four statures 20 in this embodiment.
Though literary composition is described in detail in the back; But be maintained at a plurality of 20 directions side by side on each head unit 1, be first direction Y and being arranged side by side towards nozzle opening 26; And the row that constitute by a plurality of (two) that on first direction Y, are arranged side by side 20, on the second direction X that the direction (first direction Y) that is arranged side by side with nozzle opening 26 is intersected side by side and be provided with two row.20 two row that these are arranged side by side on second direction X are configured in towards first direction Y and on the position of staggering a little each other.And in the row of two row 20,20 of adjacency is set to, and the nozzle opening of the end side of the nozzle rows of row 20 and another nozzle opening that is listed as the end side of 20 nozzle rows are positioned at identical position on the first direction Y of nozzle opening.
And each head unit 1 is fixed on the apparatus main body 2, thereby constitutes an assembly 200 with the mode that second direction X becomes the direction identical with the throughput direction of record sheet S.In addition, constitute an assembly 200 head unit 1, on first direction Y, be arranged side by side the row that form, second direction X is provided with two row.
First conveying mechanism 5 is made up of driven roller 5a, driven voller 5b, the conveyer belt 5c that is wound on these driven rollers 5a and the driven voller 5b.In addition, second conveying mechanism 6 and first conveying mechanism, 5 identical ground are made up of driven roller 6a, driven voller 6b and conveyer belt 6c.
Separately driven roller 5a, 6a at these first conveying mechanisms 5 and second conveying mechanism 6 are last; Be connected with the driving mechanism of not shown drive motors etc.; Make conveyer belt 5c, 6c rotate driving through driving force, thereby carry record sheet S in the upper reaches and the downstream of an assembly 200 by drive unit.
Moreover; Though in this embodiment; Illustration by driven roller 5a, 6a, first conveying mechanism 5 and second conveying mechanism 6 that driven voller 5b, 6b and conveyer belt 5c, 6c constitute make record sheet S remain on conveyer belt 5c, the last maintaining body of 6c but also can further be provided with.As maintaining body, for example, the charged mechanism that makes record sheet S outer peripheral face charged can be set, and the effect through dielectric polarization, make that charged record sheet S is attracted to conveyer belt 5c, 6c is last through charged mechanism.In addition, as maintaining body, also can be at conveyer belt 5c, the last pressure roller that is provided with of 6c, thus record sheet S is clamped between pressure roller and conveyer belt 5c, the 6c.
Moreover, can on platen 4, be provided with the record sheet S that is carried is adsorbed on the adsorbing mechanism on the platen 4.As adsorbing mechanism, for example, thereby can enumerate out through suction record sheet S aspirate absorption mechanism, utilize electrostatic force record sheet S to be carried out the mechanism etc. of Electrostatic Absorption.
In addition, apparatus main body 2 possesses cleaning device 100, and said cleaning device 100 has the scraper plate that the liquid jet face to each stature 20 cleans.
In addition, though not shown, on an assembly 200, be connected with the ink tank that stores printing ink or ink cartridge etc. with the mode that can supply with printing ink and store mechanism.Printing ink stores mechanism and for example can be maintained on the assembly 200, in addition, also can be maintained on the position different with an assembly 200 in the apparatus main body 2, and be connected with the inking pin 61 of each head unit 1 through flexible pipe etc.Moreover each head unit 1 of an assembly 200 is connected with not shown outside wiring, and has imported tracer signal through outside wiring.
In such inkjet recording device I, carry record sheet S through conveying mechanism 5, and the record sheet S that is supported on the platen 4 is implemented printing through an assembly 200.Record sheet S after the printing is transferred through conveying mechanism 3.
At this, about cleaning device 100, further with reference to Fig. 3 and Fig. 4 and be elaborated.Fig. 3 is the cutaway view of inkjet recording device on the throughput direction of printing medium, and Fig. 4 is the vertical view of the cleaning of express liquid jet face.
As shown in the figure, cleaning device 100 comprises: be fixed on two axial regions 101 on the apparatus main body 2; With move freely mode be set at axial region 101 axially on maintaining part 110; Be set in the maintaining part 110 and have the plate member 120 of scraper plate 121.
In addition, axial region 101 is configured in the outside with 20 the opposed zone of liquid jet face 27a.In this embodiment; Through with two axial regions 101 respectively from the opposed zone of liquid jet face 27a to first conveying mechanism, 5 sides and the 6 side settings of second conveying mechanism, thereby become between two axial regions 101 and 20 the opposed zone of liquid jet face 27a.
Maintaining part 110 with move freely mode be set at axial region 101 axially on, and the driving force of the compression pump through not shown drive motors, conveying wet goods, electromagnet etc., and moving to the optional position of axial region 101.
Such maintaining part 110 has as 20 side opening on surface and a plurality of retaining holes 111 that plate member 120 is kept.In this embodiment, because 20 the row that on first direction Y, are arranged side by side are provided with four row at second direction X, so four retaining holes 111 that four plate member 120 are kept are set on the second direction X (throughput direction of record sheet S).In addition, the spacing of retaining hole 111 is roughly the same with 20 the spacing that on second direction X, is arranged side by side.
In addition, the end on scraper plate 121 and the direction bending direction quadrature is fixed on the support 122.
In addition, support 122 is made up of the plate-shaped member that the end to scraper plate 121 keeps, and is maintained in the retaining hole 111 of maintaining part 110.In this embodiment, be thickness through width setup, thereby the plate member 120 that is maintained in the retaining hole 111 is held with the mode that between platen 4 and 20, moves freely greater than support 122 with the retaining hole 111 of maintaining part 110.
Moreover maintaining part 110 is provided with governor motion 113, and 113 pairs of plate member 120 of said governor motion are regulated from maintaining part 110 outstanding overhangs.In this embodiment; Governor motion 113 comprises eccentric wheel 114 and regulating shaft 115; Wherein, said eccentric wheel 114 is set in the retaining hole 111, and with the face butt of the opposition side of the bottom surface of support 122, the face that promptly scraper plate 121 kept; Said regulating shaft 115 carries out the axle supporting with eccentric state to eccentric wheel 114, and is maintained on the support 110 with rotation mode freely.And, make regulating shaft 115 rotations through driving force, thereby can make eccentric wheel 114 rotations by not shown drive motors etc., the released amount of the bottom surface of adjustable plate parts 120, adjustable plate parts 120 are from the outstanding overhang of maintaining part 110 thus.With this kind mode,, thereby can regulate the interval between liquid jet face 27a and the plate member 120 (scraper plate 121) through the overhang of giving prominence to from retaining hole 111 by governor motion 113 adjustable plate parts 120.Thus; Thereby can be in required correct time through governor motion 113; Promote scraper plate 121, and make scraper plate 121 and liquid jet face 27a butt, and through under the state that makes scraper plate 121 and liquid jet face 27a butt; Make maintaining part 110 axial region 101 axially on move, thereby can make plate member 121 and liquid jet face 27a sliding-contact.In addition because can make plate member 120 implement to rise or descend in correct time arbitrarily, therefore can be in any correct time, to the moving direction of maintaining part 110, be axial region 101 axially on side by side a plurality of 20 clean.
At this, as shown in Figure 4, scraper plate 121 is formed, with the direction (second direction X) of the moving direction quadrature of maintaining part 110 on, the width W of scraper plate 121
1Width W greater than liquid jet face 27a
2Thus, can come to wipe reliably liquid such as printing ink through scraper plate 121 attached on the liquid jet face 27a.In addition, with the direction (second direction X) of the moving direction quadrature of maintaining part 110 on, the width W of scraper plate 121
1Be preferably, greater than the width W of the cover cap 70 that is set at a liquid jet face 27a side of 20
3Thus; Liquid such as lip-deep printing ink attached to cover cap 70 are also wiped out by scraper plate 121 reliably, thus can suppress attached to the printing ink on the cover cap 70 uncertain correct time attached to record sheet S on or attached to liquid jet face 27a on and produce bad etc. the situation of printing ink ejection.
In addition, with the direction (second direction X) of the moving direction quadrature of maintaining part 110 on, the width W of scraper plate 121
1Have can not arrive and going up 20 length of adjacency with the direction (second direction X) of moving direction quadrature.In addition, when scraper plate 121 arrive with the direction of moving direction quadrature on adjacency 20 the time, then the time, also will clean a liquid jet face 27a of 20 of adjacency through scraper plate 121 cleanings one stature 20.At this moment, when scraper plate 121 did not cover a whole liquid jet face 27a of 20 of adjacency, it was residual to produce wiping.In addition; When scraper plate 121 covers a whole liquid jet face 27a of 20 of adjacency; To clean two statures 20 simultaneously, even owing under 20 a untapped situation of adjacency, also implement cleaning, thereby waterproof membrane or the scraper plate 121 that is formed on the liquid jet face 27a consumed meaninglessly.In this embodiment; Because scraper plate 121 has the width of the liquid jet face 27a that can only clean a stature 20; So it is residual to reduce the wiping of printing ink of a liquid jet face 27a of 20 of adjacency, thereby and the meaningless consumption that can suppress waterproof membrane or scraper plate 121 prolong life of product.
At this, an example of carrying the ink jet recording head unit on above-mentioned inkjet recording device is elaborated.Moreover, Fig. 5 for an example of the related liquid ejecting head unit of the embodiment 1 of expression the utility model, be the exploded perspective view of ink jet recording head, Fig. 6 is the vertical view when liquid jet face side is observed of ink jet recording head unit.
Like Fig. 5 and shown in Figure 6; Ink jet recording head unit 1 (below; Also abbreviate head unit 1 as) comprising: as a plurality of (in the present embodiment, the being illustrated as four) ink jet recording head 20 of an example of jet head liquid (below, also abbreviate as 20) and holding member 60.
Holding member 60 is for example formed by resin material, and its inside has circuit substrate, is formed with the runner parts of printing ink communication passage, removes the filter of impurity or bubble etc.In addition, on the upper surface of holding member 60 (face of 20 opposition side), be fixed with inking pin 61 (in the present embodiment, being illustrated as eight).This inking pin 61 directly or via flexible pipe is connected with the mechanism (not shown) that stores that stores versicolor printing ink.In addition, this inking pin 61 is communicated with an end of not shown printing ink communication passage.Moreover the other end of printing ink communication passage is at 20 side (bottom surface side of holding member 60) opening.That is, printing ink is supplied to this printing ink communication passage via inking pin 61 from ink cartridge, and the printing ink of being supplied with 20 is supplied to respectively via the back printing ink introduction channel that is described in detail of literary composition headward.
On the bottom surface of such holding member 60, be fixed with a plurality of 20 that are positioned with fixed distance.Each stature 20 is set up corresponding to versicolor printing ink.
Be maintained at 20 on the holding member 60 through towards 20 long side direction, to be that first direction Y is configured to staggered, thereby can on first direction Y, form the long nozzle rows of length that is arranged in identical spacing.Moreover; Be configured to staggered being meant at this said 20; A plurality of 20 directions side by side, be first direction Y and being arranged side by side towards the nozzle openings 26 of back literary composition narration; And the row that constitute by a plurality of (two) that on first direction Y, are arranged side by side 20, on the second direction X that the direction (first direction) that is arranged side by side with nozzle opening 26 is intersected side by side and be provided with two row.20 two row that these are arranged side by side on second direction X are configured in towards first direction Y and on the position of staggering a little each other.And; In the row of two row 20; 20 of adjacency is set to, and the nozzle opening 26 of the end side of the nozzle rows of the nozzle opening 26 of the end side of the nozzle rows of row 20 and another row 20 is positioned at identical position on the first direction Y of nozzle opening 26.Thus; Through a plurality of 20 (in this embodiment; Be four statures 20), thus can with identical distance nozzle opening 26 be arranged side by side the amount of four statures 20 and make nozzle rows continuous along first direction Y, can implement printing across bigger area with the width of continuous nozzle rows thus.
Moreover the rectangular shape that holding member 60 has to overlook from upper surface when observing is a benchmark, and has excised the shape that the bight that becomes a pair of diagonal angle forms.In addition, holding member 60 has rectangular shape and has the bight that becomes a pair of diagonal angle and specifically is meant to have following structure by the shape that excision forms.That is, overlook the protuberance and the recess that become rectangular shape when observing from upper surface and on short side direction, be arranged side by side at each place, end on the long side direction of holding member 60.And, each place, end on the long side direction of holding member 60, protuberance and recess are set to opposite configuration.This recess becomes the shape that the bight at said a pair of diagonal angle forms for excision.
And 20 two row that on second direction X, are arranged side by side are configured in, and towards first direction Y and each other to the position that projection staggers a little, thereby make 20 to be configured on the long side direction of this holding member 60 two side-prominent protuberance places.
In addition, a part that on holding member 60, has long limit is extended the portion that extends 62 that is provided with in the face direction both sides of minor face.That is the portion that extends 62 that is provided with is extended in the both sides that, have on short side direction.Though do not illustrate especially, extend at this and dispose the connector that is set at inner circuit substrate in portion 62, outside wiring is inserted the groove 63 on the logical upper surface that is set at the portion of extending and is connected with the connector of wiring substrate.Moreover circuit substrate is connected with a plurality of 20 driving distribution 35 of back literary composition narration jointly.
At this,, describe with reference to Fig. 7 to Fig. 9 about a this example that is maintained at the structure of 20 on the holding member 60.Moreover Fig. 7 is the exploded perspective view of the related head of the embodiment 1 of the utility model, and Fig. 8 be the vertical view when liquid jet face side is observed of head, the cutaway view on the long side direction of the pressure generating chamber that Fig. 9 is.
As shown in the figure, form on the substrate 21 at a runner that constitutes 20, be provided with two row and on its width, be arranged side by side the row that form by a plurality of pressure generating chamber 22.In addition, in the superolateral zone of long side direction of the pressure generating chamber 22 of each row, be formed with interconnecting part 23, interconnecting part 23 and each pressure generating chamber 22 are through being communicated with to each pressure generating chamber 22 set inking passage 24 and communication passage 25.
Forming at runner to engage on the face of a side of substrate 21 has nozzle plate 27, runs through near the nozzle opening 26 that is connected the end that is provided with the opposition side of the inking passage 24 of each pressure generating chamber 22 on the said nozzle plate 27.
On the other hand, runner forms on the face of opposition side of nozzle plate 27 of substrate 21, is formed with piezo-activator 30 via elastic membrane 28 and insulator film 29.Piezo-activator 30 is made up of first electrode 31, piezoelectric body layer 32, second electrode 33.On second electrode 33 that constitutes each piezo-activator 30, be connected with the lead-in wire electrode 34 that extends on the insulator film 29.One end of lead-in wire electrode 34 is connected with second electrode 33, and the driving distribution 35 that the other end side with flexible distribution component (COF substrate), promptly is equipped with the drive IC 35a that is used for drive pressure electric actuator 30 is connected.
Form on the substrate 21 at the runner that is formed with such piezo-activator 30; In with piezo-activator 30 opposed zones in; Engaged protective substrate 37 through adhesive 38, said protective substrate 37 has the space that is used to protect piezo-activator 30, is piezo-activator maintaining part 36.In addition, protective substrate 37 is provided with manifold portion 39.In this embodiment, this manifold portion 39 is communicated with the interconnecting part 23 that runner forms substrate 21, thereby becomes the manifold 40 of the shared ink chamber of each pressure generating chamber 22.
In addition, protective substrate 37 is provided with the through hole 41 that on thickness direction, runs through protective substrate 37.In this embodiment, through hole 41 is set between two piezo-activator maintaining parts 36.And, be set near the end of the lead-in wire electrode 34 of drawing from each piezo-activator 30, in through hole 41, expose.
Moreover on protective substrate 37, engaging has the plasticity substrate 46 that is formed by diaphragm seal 44 and fixed head 45.At this, diaphragm seal 44 is lower and have flexible material and process by rigidity, and through this diaphragm seal 44, thereby the face of a side of manifold portion 39 is sealed.In addition, fixed head 45 is processed by the hard material of metal etc.Because becoming on thickness direction by the peristome of removing fully 47 with manifold 40 opposed zones of this fixed head 45, so the face of a side of manifold 40 is only by having 44 sealings of flexible diaphragm seal.In the zone that only seals, to paying plasticity in the manifold 44 by diaphragm seal 44.And plasticity substrate 46 is provided with the printing ink introducing port 48 that is used in manifold 40, importing printing ink.
On plasticity substrate 46, be fixed with a shell 49 as case member.Shell 49 is provided with printing ink introduction channel 50, supplies with the printing ink that stores mechanism from ink cartridge etc. thereby said printing ink introduction channel 50 is communicated with printing ink introducing port 48 to manifold 40.And a shell 49 is provided with the distribution component retaining hole 51 that is communicated with through hole 41 set on protective substrate 37, drives distribution 35 and is being led under the state in distribution component retaining hole 51 by slotting, and one of which is distolateral to be connected with lead-in wire electrode 34.
This such embodiment 20 in; Through injecting from the printing ink that stores mechanism (not shown) from printing ink introducing port 48 via holding member 60; And from manifold 40 to nozzle opening 26 fill up inside by printing ink after; According to tracer signal from drive IC 35a, and to applying voltage with pressure generating chamber 22 corresponding each piezo-activators 30, so that deflection deformations take place for elastic membrane 28, insulator film 29 and piezoelectric actuator 30; Thereby the pressure in each pressure generating chamber 22 raises, and droplets of ink is from nozzle opening 26 ejections thus.
In addition, constituting on each parts of this 20, two places in the bight of the both sides on long side direction are provided with locating hole 52, and the pin that said locating hole 52 supplies to be used for when assembling, each parts being positioned inserts.And, implement relative positioning through selling to insert in the locating hole 52, and parts are engaged with each other, thereby make 20 to be integrally formed each parts.
Moreover the liquid jet face 27a side of nozzle opening 26 openings of the nozzle plate 27 20 is fixed with the cover cap 70 as fixed head.
Particularly, cover cap 70 comprises: expose nozzle opening 26, opening be rectangular shape expose peristome 71; Formation is exposed peristome 71 and along as the edge part of the nozzle plate 27 of liquid jet face and the frame section 72 of the rectangular shape that is provided with.In addition, on cover cap 70, the side of the liquid jet face 27a in 20 is provided with side wall portion 73, and said side wall portion is extended to be arranged to, and is crooked at the whole peripheral portion of liquid jet face 27a.
And, in this eaves portion 74, be provided with two stature locating holes 75 along long side direction.That is, a locating hole 75 be set at not with 20 the opposed zone of liquid jet face 27a in.That is to say, in this embodiment, in order a locating hole 75 not to be set, thereby the eaves portion 74 that frame section 72 forms of having widened is set at cover cap 70 with the opposed position of liquid jet face 27a.A locating hole 75 like this does, supplies alignment pin to insert and the hole that is used to locate remaining on 60 last times of holding member with 20.Therefore; Because two stature locating holes 75 are when partition distance as far as possible; Positioning accuracy will increase, and therefore eaves portion 74 is arranged on the long side of liquid jet face, and the position in long side direction (first direction Y) upward separates on the liquid jet face 27a of eaves portion 74 be provided with two stature locating holes 75.In addition, owing to when the end side (minor face) that eaves portion 74 is arranged on the long side direction, two stature locating holes 75 will only be separated, thereby the distance between the two stature locating holes 75 will narrow down, therefore will cause the positioning accuracy reduction on short side direction.
And, though in this embodiment, form two stature locating holes 75, be not particularly limited in this by single hole, single hole, slotted hole (with the long side direction of the liquid jet face 27a slotted hole as major axis) for example also can be set.Thus, when coming correct 20 to position, even exist error also can easily position through two pins.
Such 20 with cover cap 70 in, the opening of the liquid jet face 27a side of employed locating hole 52 was stopped up by cover cap 70 when each parts of correct 20 positioned.Therefore, can suppress, be destroyed because of the printing ink of being invaded thereby suppress 20 attached to the 20 inner situation of invading through locating hole 52 and headward of the printing ink on the liquid jet face 27a.In addition; Even cover cap 70 has stopped up a locating hole 52 of 20,, therefore 20 be positioned at holding member 60 last times what will be fixed with cover cap 70 also because cover cap 70 is provided with a locating hole 75; Need not to use the positioner of great number, use a locating hole 75 just can position.Therefore, can reduce the manufacturing cost of head unit 1.
Like the above explanation of carrying out; According to the inkjet recording device of this embodiment, because with respect to the head unit 1 with a plurality of 20, each stature 20 is respectively arranged with cover cap 70; Thereby can suppress 20 destructions that produce because of printing ink, and can reduce manufacturing cost.In addition; The cleaning device that cleans through the liquid jet face 27a that is provided with each stature 20; Thereby can be only 20 of needs cleaning be cleaned; Compare to the situation that makes scraper plate and all liquid jet face 27 sliding-contacts of 20, can suppress the consumption of waterproof membrane or scraper plate 121, thereby improve life of product.In addition; Through doing with the width setup on scraper plate 121 and direction moving direction (wiping direction) quadrature; Be wider than the width of liquid jet face 27a; And can not arrive 20 length of adjacency, thereby scraper plate 121 can clean single 20, and on 20 liquid jet face 27a of adjacency, produce residual etc. the situation of wiping can suppress to clean the time.
Other embodiments
More than be illustrated for a kind of embodiment of the utility model, the basic structure of the utility model is not limited to foregoing.For example, though in above-mentioned embodiment 1, make scraper plate with the direction of the throughput direction quadrature of record sheet S on move; Thereby clean liquid jet face 27a; But be not defined in this especially, scraper plate is moved on the throughput direction of record sheet S, thereby clean liquid jet face 27a.Illustrate such example among Figure 10.Moreover Figure 10 is vertical view moving direction, the liquid jet face of the related scraper plate of other embodiments of expression the utility model.Shown in figure 10, scraper plate 121 is configured to, and becomes the face direction with the direction (second direction X) of the throughput direction quadrature of record sheet S.In addition, scraper plate 121 is set to, between the row that are arranged side by side 20 on the throughput direction (first direction Y) at record sheet S, to moving freely in the upstream side and the downstream of throughput direction (first direction Y).Thus, scraper plate 121 from the beginning between 20 the row towards the outside of 20 row and with liquid jet face 27a sliding-contact, thereby clean.In this cleaning, scraper plate 121 is with state and the liquid jet face 27a sliding-contact of deflection deformation, and when disengaging liquid jet face 27a, returns to original shape through elastic force.When though scraper plate 121 restores to the original state when this cleaning finishes; Might splash attached to the printing ink on the scraper plate 121; But owing to from the beginning scraper plate 121 is moved towards the outside of row between 20 the row; Therefore the printing ink that splashes be difficult for attached to other 20 on, thereby can suppress to pollute other 20 situation.
In addition, this scraper plate 121 shown in figure 10 is identical with above-mentioned embodiment 1 and since with the direction (second direction X) of moving direction (first direction Y) quadrature on, the width W of scraper plate 121
4Be wider than the width W of a liquid jet face 27a of 20
5Thereby, can clean reliably attached to the printing ink on the liquid jet face 27a.In addition and since with the direction (second direction X) of moving direction (first direction Y) quadrature on, the width W of scraper plate 121
4Be wider than the width W of cover cap 70
6Thereby, can clean reliably attached to the printing ink on the cover cap 70.Moreover, with the direction (second direction X) of moving direction (first direction Y) quadrature on, the width W of scraper plate 121
4Has a size of 20 that can not reach on second direction X adjacency.
In addition; Though in the example depicted in fig. 10, through between 20 row, a scraper plate 121 being set, and scraper plate 121 is set to go up in the direction (second direction X) with throughput direction (first direction Y) quadrature moves freely; And scraper plate 121 is gone up at throughput direction (first direction Y) to be moved; Thereby clean two row 20 by a scraper plate 121, but not specificly be defined in this, also can scraper plate 121 be set to every row 20.At this moment because the cleaning direction of a scraper plate 121 becomes fixed-direction, therefore can with above-mentioned embodiment 1 identical ground, make scraper plate 121 bendings.
In addition, though in above-mentioned embodiment 1, illustration the inkjet recording device I of so-called line; That is, head unit 1 (assembly 200) is fixed on the apparatus main body 2, only through record sheet S being transported the inkjet recording device of implementing printing; But be not defined in this especially; For example, the utility model also can be applicable to so-called serial type tape deck, promptly; Head unit 1 (assembly 200) is equipped on the balladeur train that moves on the main scanning direction that the throughput direction with record sheet S intersects, and when head unit 1 (assembly 200) is moved on main scanning direction, implements the tape deck of printing.
Moreover; Though in above-mentioned embodiment; An example as liquid injection apparatus; Enumerated inkjet recording device and described with ink jet recording head, but the utility model be widely with liquid injection apparatus with jet head liquid all as object, also can be applied to possess the liquid injection apparatus of the jet head liquid of the liquid beyond the ink jet certainly.As other jet head liquid; For example; The electrode that can enumerate out the employed color material injector head of manufacturing, organic EL (electroluminescent) display, FED (face active display) etc. of colour transition filter discs such as the employed various record heads of image recording structure, LCD such as printer form employed electrode material injector head, biochip make employed living body organic matter spray first-class, thereby can be applied to possess in the liquid injection apparatus of related jet head liquid.
Symbol description
I inkjet recording device (liquid injection apparatus),
1 ink jet recording head (liquid ejecting head unit),
20 ink jet recording heads (jet head liquid),
21 runners form substrate,
22 pressure generating chamber,
26 nozzle openings,
27 nozzle plates,
27a liquid jet face,
30 piezo-activators,
39 manifold portion,
40 manifolds,
41 through holes,
44 diaphragm seals,
45 fixed heads,
46 plasticity substrates,
47 peristomes,
48 printing ink introducing ports,
49 shells,
50 printing ink introduction channels,
52 locating holes,
60 holding members,
70 cover caps (fixed head),
71 expose peristome,
72 frame sections,
73 side wall portions,
74 eaves portions,
75 locating holes,
80,81 adhesives,
100 cleaning devices,
110 maintaining parts,
120 plate member,
121 scraper plates,
122 supports,
200 assemblies.
Claims (6)
1. liquid injection apparatus is characterized in that having:
A plurality of jet head liquids, its atomizing of liquids;
Holding member, it maintains a plurality of said jet head liquids;
Cover cap, it is maintained at the liquid jet face side of said jet head liquid, and is provided with independently corresponding to each jet head liquid;
Scraper plate, it is provided with the mode that can move in one direction, and moves the said liquid jet face of wiping through this,
With the direction of the moving direction quadrature of said scraper plate on, the width of this scraper plate is longer than the width of said liquid jet face, and have can not arrive with the direction of said moving direction quadrature on the length of said jet head liquid of adjacency.
2. liquid injection apparatus as claimed in claim 1 is characterized in that,
Be arranged side by side the row that form on the direction side by side by said jet head liquid, on the direction of intersecting with said direction side by side, disposing multiple row, the moving direction of said scraper plate is consistent with the said direction side by side of said jet head liquid.
3. liquid injection apparatus as claimed in claim 1 is characterized in that,
Be arranged side by side the row that form on the direction side by side by said jet head liquid, with said and direction that column direction intersects on dispose multiple row, the direction side by side of said scraper plate is consistent with the direction that the row of said jet head liquid are arranged side by side.
4. liquid injection apparatus as claimed in claim 3 is characterized in that,
Said scraper plate with can between the row of the adjacency of said jet head liquid towards the outside of these row and the mode that moves be set up.
5. like each described liquid injection apparatus in the claim 2 to 4, it is characterized in that,
The row of the said jet head liquid that on the direction of intersecting with said direction side by side, adjoins each other are configured to, and on said direction side by side, are positioned at different positions.
6. like each described liquid injection apparatus in the claim 1 to 4, it is characterized in that,
Said scraper plate has following curved shape, that is, with the direction of said moving direction quadrature on, center side is compared the curved shape of retreating towards moving direction with both end sides.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011037529A JP2012171294A (en) | 2011-02-23 | 2011-02-23 | Liquid injection apparatus |
| JP2011-037529 | 2011-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202528588U true CN202528588U (en) | 2012-11-14 |
Family
ID=46974621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220064056XU Expired - Fee Related CN202528588U (en) | 2011-02-23 | 2012-02-23 | Liquid ejecting device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012171294A (en) |
| CN (1) | CN202528588U (en) |
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| CN106564282A (en) * | 2015-10-09 | 2017-04-19 | 精工爱普生株式会社 | Liquid ejecting apparatus and wiping method |
| CN107215099A (en) * | 2017-07-05 | 2017-09-29 | 苏州锟恩电子科技有限公司 | A kind of POS printer nozzle structure |
| CN107253398A (en) * | 2017-07-05 | 2017-10-17 | 苏州锟恩电子科技有限公司 | A kind of self-cleaning printer nozzle structure |
| CN107264059A (en) * | 2017-07-05 | 2017-10-20 | 苏州锟恩电子科技有限公司 | A kind of cleaning type inkjet printing header structure |
| CN107264037A (en) * | 2017-07-05 | 2017-10-20 | 苏州锟恩电子科技有限公司 | A kind of POS inkjet printing header structure |
| CN107264058A (en) * | 2017-07-05 | 2017-10-20 | 苏州锟恩电子科技有限公司 | A kind of self-cleaning printer nozzle structure |
| CN107297953A (en) * | 2016-04-14 | 2017-10-27 | 精工电子打印科技有限公司 | The clean method and liquid injection apparatus of jet head liquid |
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| JP6183586B2 (en) * | 2013-03-15 | 2017-08-23 | セイコーエプソン株式会社 | Liquid ejecting apparatus and liquid ejecting apparatus cleaning method |
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| JP6256238B2 (en) * | 2014-07-24 | 2018-01-10 | 京セラドキュメントソリューションズ株式会社 | Inkjet recording device |
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| JP4701713B2 (en) * | 2004-01-20 | 2011-06-15 | ブラザー工業株式会社 | Recording device |
| JP4591014B2 (en) * | 2004-09-28 | 2010-12-01 | コニカミノルタホールディングス株式会社 | Inkjet recording apparatus and multi-head unit wiping method |
| JP2007136700A (en) * | 2005-11-15 | 2007-06-07 | Seiko Epson Corp | Liquid ejector |
| JP2007301912A (en) * | 2006-05-12 | 2007-11-22 | Sharp Corp | Cleaning device and cleaning method of inkjet head, and inkjet device |
| JP2008254295A (en) * | 2007-04-04 | 2008-10-23 | Canon Inc | Inkjet recorder |
| JP2009190176A (en) * | 2008-02-12 | 2009-08-27 | Seiko Epson Corp | Cleaning device, and liquid jet apparatus |
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2011
- 2011-02-23 JP JP2011037529A patent/JP2012171294A/en active Pending
-
2012
- 2012-02-23 CN CN201220064056XU patent/CN202528588U/en not_active Expired - Fee Related
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| CN106564282A (en) * | 2015-10-09 | 2017-04-19 | 精工爱普生株式会社 | Liquid ejecting apparatus and wiping method |
| CN106564282B (en) * | 2015-10-09 | 2019-12-31 | 精工爱普生株式会社 | Liquid ejecting apparatus and wiping method |
| CN107297953A (en) * | 2016-04-14 | 2017-10-27 | 精工电子打印科技有限公司 | The clean method and liquid injection apparatus of jet head liquid |
| CN107215099A (en) * | 2017-07-05 | 2017-09-29 | 苏州锟恩电子科技有限公司 | A kind of POS printer nozzle structure |
| CN107253398A (en) * | 2017-07-05 | 2017-10-17 | 苏州锟恩电子科技有限公司 | A kind of self-cleaning printer nozzle structure |
| CN107264059A (en) * | 2017-07-05 | 2017-10-20 | 苏州锟恩电子科技有限公司 | A kind of cleaning type inkjet printing header structure |
| CN107264037A (en) * | 2017-07-05 | 2017-10-20 | 苏州锟恩电子科技有限公司 | A kind of POS inkjet printing header structure |
| CN107264058A (en) * | 2017-07-05 | 2017-10-20 | 苏州锟恩电子科技有限公司 | A kind of self-cleaning printer nozzle structure |
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| CN113306298B (en) * | 2020-02-27 | 2023-06-23 | 精工爱普生株式会社 | Liquid ejecting apparatus |
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| Publication number | Publication date |
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| JP2012171294A (en) | 2012-09-10 |
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