CN1827376A - Image forming apparatus - Google Patents
Image forming apparatus Download PDFInfo
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- CN1827376A CN1827376A CN 200610019836 CN200610019836A CN1827376A CN 1827376 A CN1827376 A CN 1827376A CN 200610019836 CN200610019836 CN 200610019836 CN 200610019836 A CN200610019836 A CN 200610019836A CN 1827376 A CN1827376 A CN 1827376A
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Abstract
The invention relates to imaging device, comprising a conveying unit, record head and cover cap. The conveying unit transfers record medium. The record head comprises injector forming surface, which forms a plurality of injectors injecting ink to record medium conveyed by conveying unit. The cover cap is adhered to said injector forming surface and forms closed space sealing the injector forming surface; said cover cap comprises chassis, lip, opening and soft film membrane; said chassis faces injector forming surface; said lip erects towards injector forming surface from chassis and thus it can adheres to said surface tightly.
Description
Technical field
The present invention relates to a kind of imaging device, it is capped and/or cause meniscus destruction because interior pressure changes during temperature change during capping that it can prevent to form the surface at nozzle, and the destruction of meniscus causes the inkjet performance deterioration.
Background technology
Known a kind of imaging device, this imaging device is ejected into China ink on the recording medium that just is being transferred from the nozzle that is arranged on the record head, thereby forms image on recording medium.For the China ink drying when not using that prevents to go out from nozzle ejection, this imaging device comprises block, and the nozzle that this block abuts against record head forms on the surface, thereby forms the enclosure space that nozzle is formed face seal.
As the imaging device that comprises block, (for example, Fig. 6) disclosed a kind of ink-jet apparatus, it comprises the block body corresponding with above-mentioned block to the flat 9-240012 of TOHKEMY.This block body has recessed portion, and this recessed portion is by the bottom surface that forms the surface facing to nozzle and form the wall that the surface makes progress from the periphery of this bottom surface towards nozzle and limit.In addition, form otch in the bottom surface, this otch constantly is being in closed state normal, and opens when only being applied in power in the bottom surface.
According to the block body that constitutes as mentioned above, change by opening the interior pressure that produces when otch is absorbed in capping.Therefore, can prevent that meniscus from destroying owing to should interiorly pressing to change.
Summary of the invention
But, as disclosed in the flat 9-240012 of TOHKEMY, in the method that the interior pressure when openable otch being set absorbing capping in the bottom surface of block body changes, even when when constantly being in the closed state, also there is the inside and outside minim gap that is interconnected that makes recessed portion normal in otch in the coupling part of otch.Therefore, even under the situation of carrying out capping, because the inside of block is by this gap and external communications, so be difficult to prevent satisfactorily that China ink is dry.
The invention provides a kind of imaging device and a kind of block, it is capped and/or cause meniscus destruction because interior pressure changes during temperature change during capping that they can prevent to form the surface at nozzle, and the destruction of meniscus causes the inkjet performance deterioration.In addition, this imaging device and block can be reduced in the dry China ink amount during the capping state.
According to an aspect of the present invention, imaging device comprises supply unit, record head and block.This supply unit conveying recording medium.This record head comprises that nozzle forms the surface, and this nozzle forms the surface and is formed with a plurality of nozzles that are used for towards the recording medium ink-jet of just being carried by supply unit.The nozzle that this block can abut against record head forms on the surface, thereby forms the enclosure space that nozzle is formed face seal.Block comprises base portion, lip, opening and fexible film.Described base portion forms the surface in the face of nozzle.Described lip forms the surface from base portion towards nozzle and erects, and forms on the surface thereby can abut against nozzle.Described opening passes base portion.Described fexible film covers described opening.
According to top structure, when environment temperature raises after capping or during capping, be covered with the film depression of opening and heave towards a side opposite with record head.Therefore, the pressure in the film absorption enclosure space changes.In addition, when environment temperature descended during capping, film was heaved so that absorption pressure changes towards record head.Therefore, the pressure variation that has prevented after capping or caused owing to variation of ambient temperature during capping causes meniscus to destroy.
In addition, described film can have gas barrier.
Described film can comprise the laminar structure that is formed by the first film with flexibility and second film with gas barrier at least.
Described film can be soldered on the base portion.
In addition, described film has the outstanding convex away from nozzle forms the surface along nozzle in the sectional view that the direction of recording medium injection China ink is cut open.
In addition, base portion can have recessed portion, forms the surface thereby the female is partly recessed away from nozzle.Described opening can be formed in the bottom surface of recessed portion.In the bottom surface of recessed portion, can form towards nozzle and form the surface and projection outstanding and that surround described opening.Thereby described film can be soldered to have on the projection towards nozzle and forms the surface and outstanding dome shape.
In addition, base portion is made by first resin material.Lip is made greater than second resin material of first resin material by elasticity.
In addition, lip can form the chevron that has a summit in sectional view.
In addition, the maximum height of each lip can be 0.75 to 2.5 times of Breadth Maximum of lip.
In addition, the maximum height of each lip can be in the scope of 1.0mm to 2.0mm.The Breadth Maximum of each lip can be in the scope of 1.5mm to 2.5mm.
In addition, the JIS A hardness of each lip can be at 10 degree to the scope of 20 degree.
In addition, this imaging device can also comprise block support and elastomer.This block stent support block, and between block support and base portion, have predetermined gap.Elastomer is arranged between block support and the base portion.
According to another aspect of the present invention, block is used to comprise the imaging device of supply unit and record head.This supply unit conveying recording medium.This record head comprises that nozzle forms the surface, and this nozzle forms the surface and is formed with a plurality of nozzles that are used for towards the recording medium ink-jet of just being carried by supply unit.This block can abut against nozzle and form on the surface, thereby forms the enclosure space that nozzle is formed face seal.This block comprises base portion, lip, opening and fexible film.Described base portion forms the surface in the face of nozzle.Described lip forms the surface from base portion towards nozzle and erects, and forms on the surface thereby can abut against nozzle.Described opening passes base portion.Described fexible film covers described opening.
According to top structure, when environment temperature raises after capping or during capping, be covered with the film depression of opening and heave towards a side opposite with record head.Therefore, film can absorb the pressure variation in the enclosure space.In addition, when environment temperature descended during capping, film was heaved so that absorption pressure changes towards record head.Therefore, the pressure variation that has prevented after capping or caused owing to variation of ambient temperature during capping causes meniscus to destroy.Therefore, can keep stable inkjet performance.
Description of drawings
Fig. 1 is a sketch, demonstrates the internal structure of imaging device.
Fig. 2 is a cutaway view, demonstrates the internal structure of the imaging device of cutting open along the II-II line of Fig. 11.
Fig. 3 is a plane, demonstrates the block unit, the first black receiving element and the second black receiving element that are in the state shown in Fig. 2.
Fig. 4 is corresponding with Fig. 2 and be sketch, demonstrates the first black receiving element that is in the state shown in Fig. 2 and block unit irrespectively towards the state of head unit 5 motions.
Fig. 5 is a plane, demonstrates the block unit, the first black receiving element and the second black receiving element that are in the state shown in Fig. 4.
Fig. 6 is corresponding with Fig. 2 and be sketch, demonstrates the block unit that is in the state shown in Fig. 2 and the first black receiving element integratedly towards the state of head unit 5 motions.
Fig. 7 is a plane, demonstrates the block unit, the first black receiving element and the second black receiving element that are in the state shown in Fig. 6.
The cutaway view of Fig. 8 for cutting open along the VIII-VIII line of Fig. 3.
Fig. 9 A is an amplification view, and the lip that demonstrates the block main body abuts against nozzle and forms lip-deep state, and Fig. 9 B is the amplification view of lip, and Fig. 9 C is the amplification view of film.
Figure 10 is a cutaway view, demonstrates the first black receiving element facing to head unit.
Figure 11 is the amplification view of the first black receiving element cut open along the XI-XI line of Fig. 5.
Figure 12 is a block diagram, demonstrates the electrical structure of imaging device.
The sketch of Figure 13 A to 13D is illustrated in and cleans or the operation of head unit etc. during capping.
Figure 14 A is corresponding with Fig. 9 A and be amplification view, the lip that demonstrates the block main body abuts against nozzle and forms lip-deep state, the amplification view of Figure 14 B for cutting open, and the amplification view of Figure 14 C for cutting open along the XIVc-XIVc line of Figure 14 A along the XIVb-XIVb line of Figure 14 A.
Figure 15 is corresponding with Fig. 9 A and be amplification view, and the lip that demonstrates the block main body abuts against nozzle and forms lip-deep state.
The specific embodiment
Hereinafter with reference to these accompanying drawings embodiment of the present invention are described.Fig. 1 is a sketch, demonstrates the internal structure of the imaging device 1 of this embodiment.This imaging device 1 mainly has supply unit 2, paper feed unit 3, paper feeder unit 4, head unit 5 and useless ink container 6.Supply unit 2 is along the direction conveying recording medium of arrow A.This paper feed unit 3 is arranged on the upstream side (left side of Fig. 1) of supply unit 2 and goes up and conveying recording medium.This paper feeder unit 4 is arranged on the downstream (right side of Fig. 1) of supply unit 2, and wherein supply unit 2 is between paper feed unit 3 and paper feeder unit 4.The recording medium that paper feeder unit 4 storages are transferred out by supply unit 2.This head unit 5 is arranged on supply unit 2 tops, and towards the recording medium ink-jet of just carrying by supply unit 2.This head unit 5 is connected on the pump P as shown in Figure 2, and when carrying out cleaning operation, pump P applies malleation so that dust and/or the dry China ink of scheduled volume China ink on being attached to these nozzles ejected to each nozzle of head unit 5.Should be arranged on supply unit 2 belows by useless ink container 6, wherein supply unit is between useless ink container 6 and head unit 5.Should be useless 6 store washing operating periods of ink container by managing 11 China inks that eject.It is to be noted that pump P only shows and omits in other accompanying drawing in Fig. 2.And, will other parts of this imaging device 1 be described below.
The belt conveyor 8 that supply unit 2 has a pair of conveying roller 7 that is provided at predetermined intervals along the direction of arrow A and has preset width and stretch between that is to conveying roller 7.In supply unit 2, if carry motor 89 (referring to Figure 12) to be driven, then that turns right by the transmission mechanism (not shown) under the driving force effect of motor 89 to a conveying roller 7 in the conveying roller 7.Therefore this belt conveyor 8 and another conveying roller 7 turn right.Then, the recording medium that is transported on the belt conveyor 8 from paper feed unit 3 is carried along the direction of arrow A, and finally is discharged on the paper feeder unit 4.
The recording medium that piles up (referring to the double dot dash line in Fig. 1) is placed on the gripper shoe 9a.Promote motor 90 (referring to Figure 12) if drive, then arm 9b makes gripper shoe 9a motion, thereby recording medium abuts against on this pick-up roller 10.Then, begin the sequentially-fed recording medium by the pick-up roller 10 that rotates according to the driving force of picking up motor 91 (referring to Figure 12) from uppermost recording medium.
In addition, be formed for spraying the nozzle of China ink in the surface (hereinafter referred to as " nozzle forms the surface ") of each record head in the record head 5a to 5f that faces with belt conveyor 8.These nozzles are arranged according to the zigzag mode along the direction vertical with the throughput direction A of recording medium (from the paper front side of Fig. 2 towards its dorsal part).From the nozzle ejection China ink time, on the recording medium of carrying by supply unit 2, form image.
In addition, record head 5a to 5f links into an integrated entity by the connecting elements (not shown).This connecting elements can move both vertically along the direction and the direction opposite with arrow C of arrow C.Therefore, record head 5a to 5f can move with the direction opposite with arrow C is vertical integratedly along the direction of arrow C.
That is to say that when forming image on recording medium, head unit 5 is positioned at the position (referring to the solid line of Fig. 1) near belt conveyor 8.In addition, when cleaning treatment or capping, head unit 5 from this position along move integratedly away from the direction (direction opposite) of belt conveyor 8 (referring to the double dot dash line of Fig. 1) with arrow C.In addition, when forming image once more on recording medium, head unit 5 is moved so that be positioned at the position of close belt conveyor 8 integratedly along the direction of arrow C.
In addition, head unit 5 is so-called line head type.Specifically, the nozzle of each record head among the record head 5a to 5f form the surface its along the length of the main scanning direction vertical Breadth Maximum greater than imaging device 1 handled recording medium with the throughput direction A of recording medium.Therefore, different with the string type head unit when forming image on the recording medium of just being carried by supply unit 2, head unit 5 (record head 5a to 5f) is ejected into China ink on the recording medium, and does not move along main scanning direction.
Then other parts with reference to Fig. 2 to 7 pair of imaging device 1 describe.Fig. 2 is a cutaway view, demonstrates the internal structure of the imaging device of cutting open along the II-II line of Fig. 11.And, be not presented among Fig. 2 in the external frame shown in Fig. 1.Fig. 3 is a plane, demonstrates block unit 12, the first black receiving element 13 and the second black receiving element 14 that are in the state shown in Fig. 2.
Fig. 4 is corresponding with Fig. 2 and be sketch, demonstrates the first black receiving element 13 that is in the state shown in Fig. 2 individually towards the state of head unit 5 motions.Fig. 5 is a plane, demonstrates block unit 12, the first black receiving element 13 and the second black receiving element 14 that are in the state shown in Fig. 4.
Fig. 6 is corresponding with Fig. 2 and be sketch, demonstrates the block unit 12 that is in the state shown in Fig. 2 with the state of the first black receiving element 13 towards head unit 5 motions.Fig. 7 is a plane, demonstrates block unit 12, the first black receiving element 13 and the second black receiving element 14 that are in the state shown in Fig. 6.
Shown in Fig. 2 and 3, this imaging device 1 has block unit 12, first black receiving element 13, the second black receiving element 14 and six in order at the print cartridge 15a to 15f on head unit 5 next doors and with reference to the described parts of Fig. 1.
The nozzle that block unit 12 abuts against each record head among these six record head 5a to 5f forms on the surface, to form the enclosure space that nozzle is formed face seal.Block unit 12 has six block main bodys 16, block support 17 and block dishes 18.These block main bodys 16 are arranged side by side with corresponding with record head 5a to 5f.This block support 17 supports these block main bodys 16, and is spaced apart with corresponding block main body 16 with predetermined interval simultaneously.Block dish 18 is from supported underneath block support 17.
In addition, block unit 12 can with the first black receiving element 13 be integral along and the arrow D direction (second direction) of throughput direction A (first direction) (referring to Fig. 1) approximate vertical of recording medium and the direction opposite with arrow D between the closure position shown in the non-closure position shown in Fig. 2 to 5 and Fig. 6 and 7, move back and forth.And, will be specifically described block unit 12 below.
The first black receiving element 13 at first is received in the China ink that ejects from record head 5a to 5f during the cleaning operation.The first black receiving element 13 forms the box-shape of the general hollow with end face of opening.The first black receiving element 13 comprises the diapire 13a that constitutes black receiving area and erects the sidewall 13b that is provided with from the edge of this diapire 13a towards head unit 5.
In addition, the first black receiving element 13 can irrespectively move back and forth along the direction of arrow D and the direction opposite with arrow D between the black receiving position shown in the non-closure position shown in Fig. 2,3,6 and 7 and Fig. 4 and 5 with block unit 12.And, will be specifically described the first black receiving element 13 below.
The second black receiving element 14 receives from the China ink of first black receiving element 13 outflows and by pipe 11 received China ink is imported the ink container 6 that gives up.Shown in Fig. 2 and 3, the second black receiving element 14 is fixedly placed on the first black receiving element, 13 belows that move to non-black receiving position.In addition, the second black receiving element 14 forms the box-shape of the general hollow with end face of opening, and comprises the diapire 14a that constitutes black receiving area and erect the sidewall 14b that is provided with from the edge of this diapire 14a towards head unit 5.And, will be specifically described the second black receiving element 14 below.
Six print cartridge 15a to 15f store the China ink of cyan, magenta, yellow, black, light cyan and six kinds of colors of shallow magenta that will be supplied to corresponding six record head 5a to 5f respectively.These print cartridges 15a to 15f is detachably connected on the imaging device 1.If print cartridge 15a to 15f is installed on the imaging device 1, then print cartridge 15a to 15f is connected on the pump (not shown), and be stored among these print cartridges 15a to 15f six kinds of China inks respectively by the pump (not shown) pass the pipe (not shown) be supplied to record head 5a to 5f.
This imaging device 1 comprises that two guide rods 20 and belt pulley 22 are as a part that is used to make the block unit 12 and the first black receiving element 13 reciprocating motions.These two guide rods 20 along extending with the direction of the arrow D of throughput direction A (referring to Fig. 1) approximate vertical of recording medium, intersect with belt conveyor 8 on the both sides of head unit 5 simultaneously.These belt pulleys 22 are arranged on the top, two ends of each guide rod 20 in these two guide rods 20.Belt 21 stretches between these belt pulleys 22 along the bearing of trend of each guide rod 20.
Here, be used to make the block unit 12 and the first black receiving element 13 reciprocating motions to describe with reference to Fig. 8 and Fig. 2 to 7 pair.The cutaway view of Fig. 8 for cutting open along the VIII-VIII line of Fig. 3.And, in Fig. 8, omitted guide rod 20, belt pulley 22 etc.
As shown in Fig. 2,3 and 8, first supporting member 23 that these guide rod 20 looselys pass is connected on the block dish 18.Two engaging claws 25 block coil 18 inside be arranged on the contiguous position of first supporting member 23 so that can equally with simple balance move both vertically around back shaft 24.In addition, leverage component 27 end that is arranged on these engaging claws 25 is sentenced just and can equally with simple balance be moved both vertically around back shaft 26.In addition, solenoid 28 (referring to Fig. 8) is connected on the end of these leverage components 27.
In addition, second supporting member 30 is connected on (on head unit 5 sides) end of the sidewall 13b of the first black receiving element 13.Those guide rod 20 looselys pass these second supporting members 30.These second supporting members 30 are connected on those belts 21.The engaging groove 31 that engages with engaging claw 25 is formed in second supporting member 30.In addition, wheel 33 is connected on the opposed sidewall 13b of sidewall 13b that is connected with second supporting member 30, so that roll along the top edge of the sidewall 14b of the second black receiving element 14.
At first will the mechanism that be used to connect the block unit 12 and the first black receiving element 13 be described.When the first black receiving element 13 that is positioned at the black receiving position place shown in Figure 4 and 5 during to the motion of the non-black receiving position as shown in Fig. 2 and 3, the diapire 13a of the first black receiving element 13 enters into the block that is positioned at non-closure position place and coils 18 belows.Then, in block dish 18, be in the approximate horizontal state engaging claw 25 (referring to the solid line of Fig. 8) be arranged in the first black receiving element 13 and dyke 32 collisions contiguous with engaging groove 31.
Then, thus engaging claw 25 moves in Fig. 8 to upper right side tilt (referring to the double dot dash line of Fig. 8) around back shaft 24 under the effect of impact force.Thereby engaging claw 25 sliding dykes 32 more engage with engaging groove 31.Therefore, because engaging claw 25 engages with engaging groove 31, be connected on the first black receiving element 13 with engaging groove 31 so have the block unit 12 of engaging claw 25.
Then will describe, and wherein be in the block unit 12 and the first black receiving element 13 and shown in Fig. 2 and 3, move to the position as shown in Fig. 6 and 7 integratedly by the block unit 12 and the first black receiving element 13 in engaging claw 25 and the engaging groove 31 interconnective states to following situation.When the block a shot unit 12 and the first black receiving element 13 were in the state shown in Fig. 2 and 3, if sledge motor 92 (referring to Figure 12) is driven, then belt pulley 22 and belt 21 rotated by the transmission mechanism (not shown).
Then, owing to second supporting member 30 that is connected on the belt 21 moves towards head unit 5 along guide rod 20, so the first black receiving element 13 that is connected on second supporting member 30 also moves towards head unit 5.Therefore, the block unit 12 that is connected on the first black receiving element 13 moves towards head unit 5 integratedly.Then, shown in Fig. 6 and 7, block unit 12 stops at the closure position place, and the first black receiving element 13 stops at black receiving position place.And when the first black receiving element 13 moved, wheel 33 rolled along the top edge of the sidewall 14b of the second black receiving element 14, thereby the first black receiving element 13 is stably moved.
Then will describe following situation, wherein pass through shown in Fig. 2 and 3 in engaging claw 25 and the engaging groove 31 interconnective states in the block unit 12 and the first black receiving element 13, the first black receiving element 13 irrespectively moves to black receiving position with block unit 12.
In this case, at first starting solenoid 28 throws off engaging claw 25 and engaging groove 31.As shown in Figure 8, when being not activated solenoid 28, the disc spring 29 of the connecting rod 28a of leverage component 27 by passing solenoid 28 roughly remains in the level (referring to the solid line of Fig. 8).In this state, if start solenoid 28, then connecting rod 28a overcomes disc spring 29 and moves up, thereby and the leverage component 27 that is connected on the connecting rod 28a moves to lower right tilt (referring to the double dot dash line of Fig. 8) around back shaft 26.Then, an end of the other end of leverage component 27 extruding engaging claw 25.Therefore, thus engaging claw 25 moves to upper right side tilt (referring to the double dot dash line of Fig. 8) around back shaft 24.Therefore, the engaging claw 25 that engages with engaging groove 31 is thrown off with engaging groove 31.
If in this state according to driving sledge motor 92 (referring to Figure 12) with the similar mode of above explanation, then owing to engaging claw 25 is thrown off with engaging groove 31, so have only the first black receiving element 13 to move, and finally stop at the black receiving position place shown in the Figure 4 and 5 along guide rod 20.
Then be elaborated with reference to Fig. 2 to 7 and 9 pairs of block unit 12.Fig. 9 A is an amplification view, and the lip 41 that demonstrates block main body 16 abuts against nozzle and forms lip-deep state.Fig. 9 B is the amplification view of lip 41.Fig. 9 C is the amplification view of film 43.And in Fig. 9 A, block dish 18 does not demonstrate.
Six block main bodys 16 that are arranged side by side on the block dish 18 become corresponding with record head 5a to 5f along the direction identical with the arranged direction of a placement record 5a to 5f and with the pitch arrangement identical with the arrangement pitch of record head 5a to 5f.
Shown in Fig. 9 A, each block main body 16 has tabular pedestal part 40, those lips 41, opening 42, film 43, vertical wall 44, reinforced wall 45 and bonding part 46.This base portion 40 forms the surface in the face of the nozzle of each record head among the record head 5a to 5f.Lip 41 forms the surface setting from the periphery of base portion 40 towards nozzle, forms on the surface thereby can abut against nozzle.These openings 42 pass and open base portion 40.These films 43 cover these openings 42.These vertical walls 44 extend along the side that erects with lip 41 in the opposite direction from the periphery of base portion 40.These reinforced walls 45 extend internally from the inner surface of vertical wall 44.These bonding parts 46 stretch out so that engage with block support 17 along horizontal direction from the lower end of vertical wall 44.
Among the parts that constitute each block main body 16, the parts except lip 41 and film 43 are become one by resin-shaped.Lip 41 is formed by the resin of elasticity greater than these parts, and is fixed on the base portion 40 by thermal weld.Specifically, lip 41 is formed at about 10 degree to the rubber in the scope of about 20 degree by JIS A hardness.According to these character of lip 41, when lip 41 abutted against nozzle and forms the surface and go up, lip 41 can form the surface with nozzle and closely contact.Therefore, can improve and be used for the air-tightness of enclosure space that valve nozzles forms the surface.Therefore, when this imaging device 1 did not use, the China ink that can suppress in the nozzle was dry.
In addition, shown in Fig. 9 B, each lip 41 forms the chevron that has a summit in cutaway view.The radius of curvature R on this summit is approximately 1.0mm.According to this structure of lip 41, lip 41 can form the surface with nozzle and further closely contact.
In addition, the maximum height h of each lip 41 to the scope of about 2.0mm, and preferably approximately is 1.5mm at about 1.0mm.The Breadth Maximum w of each lip 41 to the scope of about 2.5mm, and preferably approximately is 2.0mm at about 1.5mm.That is to say that the maximum height h of this lip is about 0.75 to 2.5 times of Breadth Maximum w of lip, preferably approximately is 1.3 times.
According to this structure of these lips 41, the space that is formed surface, base portion 40 and lip 41 encirclements by nozzle can be done as far as possible for a short time.Therefore, further can prevent as far as possible from the China ink of nozzle dry.In addition, when lip 41 abuts against nozzle and forms on the surface, can prevent lip 41 swaying styles.Therefore, lip 41 can stably abut against nozzle and forms on the surface.
Each block main body 16 is provided with two openings 42.The position of the quantity of these openings 42, opening 42 etc. is not limited to this embodiment.For example, a plurality of openings 42 can be dispersed in the base portion 40.In addition, base portion 40 can form frame shape, and the whole inside of this framework can form as an opening.
Shown in Fig. 9 C, each film 43 in those films 43 by form from nozzle face side in order lamination nylon film 43a, alumina layer 43d, polyester film 43b and polypropylene film 43c four-level membrane form, wherein alumina layer 43d is deposited on the polyester film 43b.
Each film among the film 43a to 43c is enough thin having flexibility, and has gas barrier.In addition, be deposited on aluminium oxide 43d on the polyester film 43b and have high block steam.Therefore, the gas of 43 pairs of all kinds of this film has excellent isolation, and for example solvent borne China ink or water-based ink also have isolation to the China ink of any kind of.Therefore, have four-layer structure, thereby can realize having the film of flexible and gas isolation simply by this film 43 is formed.
It is to be noted that film 43 is not limited to the combination of three layers of 43a to 43c and aluminium oxide 43d.This film 43 can have and comprises the laminar structure of one deck alumina layer 43d and another layer flexible layer at least.In addition, this film 43 can have multilayer alumina layer 43d.
Replace aluminium oxide 43d, can adopt silica.Aluminium oxide and silica are as long as the thickness that they have several at least dusts just has high gas barrier.
That is to say that before capping, these films 43 are covered with opening 42 (referring to the solid line of Fig. 9 A) in plane.After capping, make these films 43 recessed, thereby the pressure that absorbs in this enclosure space change (referring to the double dot dash line of Fig. 9 A) so that heave towards a side opposite with head unit 5.
As mentioned above, apply malleation by each nozzle and carry out cleaning operation record head 5a to 5f.In other words, the cleaning operation of this embodiment is so-called " pressure wash ".Therefore, needn't in each film 43, otch be set.On the contrary, so-called " suck purge " needs film to have otch, because the otch that suck purge is operated by film comes the enclosure space that nozzle is formed face seal is aspirated.
In addition, even during lip 41 abuts against nozzle and forms on the surface during (during capping) on every side variation of ambient temperature, the interior pressure of enclosure space also changes.But, the same with above-mentioned situation, can absorb this pressure by these films 43 and change.That is to say that when environment temperature raise, these films 43 were heaved so that the pressure that absorbs in this enclosure space changes towards a side opposite with head unit 5.In addition, when falling at ambient temperature, these films 43 are heaved so that the pressure that absorbs in this enclosure space changes towards head unit 5.Therefore, can prevent to destroy owing to the pressure during capping changes the meniscus that causes in the nozzle.Therefore, can keep stable inkjet performance.
These films 43 have the gas barrier that is used for separation gas.By this structure, prevent China ink owing to transmit nozzle to be formed gas in the enclosure space of face seal and dry and remove the saturation state of this enclosure space.
The block main body 16 from substrate 50 predetermined gaps be placed on first vertical wall 51, the bonding part 46 of the main body of blocking a shot simultaneously 16 is inserted in those conjugate foramens of first vertical wall 51.In addition, between block base portion 40 of main body 16 and substrate 50, disc spring 53 is set.These disc springs 53 can be when capping absorption pressure.Lip 41 can be pressed to nozzle and form the surface, the surface is tightr to be contacted thereby these lips 41 form with nozzle.In addition, described a plurality of second vertical wall 52 main body 16 excessive pressure basad 50 when capping that can prevent to block a shot.
In this exemplary embodiment, as shown in Fig. 9 A, three disc springs 53 support the base portion 40 of each block main body 16.The proof resilience power of three disc springs 53 equals 0.5kgf.When capping nozzle and formed the surface, each block main body 16 (lip 41) stably was pressed in nozzle and forms on the surface under the effect of the power of the 0.5kgf that is applied by three disc springs 53.
On the other hand, the meniscus in these nozzles destroys under about 5kPa or bigger pressure condition.The proof resilience power of supposing three disc springs 53 is too big.In this case, even surpass under the situation of 5kPa in the interior pressure that is formed the enclosure space that nozzle is formed face seal that surface, lip 41 and base portion 40 limit during the capping by nozzle, this enclosure space is not opened in block unit 12 yet.Therefore, the meniscus in the nozzle will destroy owing to excessively interior pressure of enclosure space, thereby need cleaning operation.Because the interior pressure of enclosure space increases and the black cleaning operation that destroys like this and avoid waste, the proof resilience power of three disc springs 53 is set at 0.5kgf in this exemplary embodiment for fear of meniscus.In other words, the proof resilience power of these disc springs 53 of block unit 12 is less than the received power in bottom surface of the main body 16 of blocking a shot when the meniscus that crushes in this enclosure space in the bad nozzle.
Specifically, each block main body 16 is 124mm (length) * 19mm (width) * 2mm (degree of depth).When the interior pressure of enclosure space reached 5kPa, base portion 40 and film 43 received the power that forms about 1.20kgf of face side from nozzle.The proof resilience power of three disc springs 53 is that 0.5kgf is less than 1.20kgf.Therefore, before reaching 5kPa, the interior pressure of enclosure space overcomes the elastic force that is applied by three disc springs 53 moves downward block main body 16.Therefore, this exemplary avoids being pressed in the meniscus destruction in the nozzle under the situation about excessively increasing during the capping in enclosure space.
Then be elaborated with reference to Fig. 2 to 7,10 and 11 pairs of first black receiving elements 13.Figure 10 is the cutaway view facing to the first black receiving element 13 of head unit 5 (the first black receiving element 13 is positioned at black receiving position place).Figure 11 is the amplification view that the first black receiving element 13 is cut open along the XI-XI line of Fig. 5.
The diapire 13a of the first black receiving element 13 forms the zone that occupies of nozzle in the surface greater than the nozzle that is arranged on a respective record 5a to 5f.That is to say, even go out under the situation of China ink from all nozzle ejection of each record head 5a to 5f when the first black receiving element 13 is positioned at black receiving position place, the diapire 13a of the first black receiving element 13 also is constructed with the size that can receive the China ink that goes out from all nozzle ejection.
Therefore, can once carry out cleaning operation at each record head 5a to 5f.Therefore, compare with the situation of once carrying out cleaning operation at record head, can be to carry out cleaning operation at a high speed.
In addition, as shown in Figure 3, the diapire 13a of the first black receiving element 13 constitutes has following size, and this size makes: when the first black receiving element 13 is positioned at non-black receiving position place, from forming the direction of surface crosswise with nozzle, diapire 13a is overlapping whole block unit 12.Therefore, the first black receiving element 13 can be arranged on non-black receiving position place compactly.
In addition, the diapire 13a of the first black receiving element 13 is downward-sloping towards non-black receiving position from black receiving position.Therefore, the China ink that is ejected on the diapire 13a of the first black receiving element 13 that is positioned at black receiving position place by cleaning operation can flow towards the second black receiving element 14 reposefully.
In addition, shown in Fig. 5,10 and 11, on diapire 13a, form six grooves 60 and seven ribs 61.These grooves 60 are from the surface depression of diapire 13a.These ribs 61 are outstanding so that each groove 60 is clipped between these ribs from the surface of diapire 13a.
These grooves 60 make the China ink that ejects from each record head 5a to 5f flow to non-black receiving position.These grooves 60 roughly extend along the direction of motion of the first black receiving element 13 is linear.In addition, as shown in figure 11, the cross sectional shape of each groove 60 is roughly V-arrangement.According to this structure of groove 60, comparing China ink with the situation that groove 60 roughly forms U-shaped can flow reposefully.
In addition, as shown in figure 11, moved in the state of black receiving position at the first black receiving element 13, groove 60 be arranged in the nozzle that is arranged on each record head 5a to 5f under.Therefore, from these nozzles China ink is ejected on the groove 60, therefore the China ink that ejects can flow reposefully along groove 60.
The edge along two guide rods 20 of the edge of the close black receiving position that the sidewall 13b of the first black receiving element 13 is diapire 13a from three sides of diapire 13a and diapire 13a is erect.In other words, the sidewall 13b of the first black receiving element 13 erects from those edges except the edge of the close non-black receiving position of diapire 13a of diapire 13a.
Therefore, can prevent from from the side of close black receiving position or from those side leakage of extending, and can flow towards non-black receiving position along guide rod 20 by the China ink that cleaning operation is ejected on the diapire 13a.
The first black receiving element 13 also is provided with the comb shape China ink and imports member 62 and wiper 63 except above-mentioned parts.This China ink imports member 62 and is arranged near on the front of black receiving position.This wiper 63 is provided with De Bimo and imports member 62 near black receiving position.
China ink imports member 62 and will form lip-deep China ink by the nozzle that cleaning operation is attached to each record head 5a to 5f and import on the diapire 13a.China ink imports member 62 and forms the comb shape passage, and these comb shape passages make head unit 5 sides be communicated with diapire 13a side, and extend on the scope of record head 5a to 5f along the direction vertical with the direction of motion of the first black receiving element 13.
According to this wiper 63, when the direction opposite with arrow D moved, can not wipe the nozzle of being removed that is attached to away and form lip-deep China ink by abutting against front end that nozzle forms lip-deep wiper 63 by black guiding elements 62 at the first black receiving element 13.And the China ink of being wiped away by wiper 63 flows downward along wiper 63, and flows on the diapire 13a.Therefore, can remove is not that China ink imports the China ink that member 62 is removed.
Then be elaborated with reference to Fig. 2 to the 7 pair of second black receiving element 14.As shown in Figure 3, be arranged in the state at non-black receiving position place at the first black receiving element 13, the diapire 14a of the second black receiving element 14 constitutes has following size, this size makes: when the direction that forms surface crosswise with nozzle is seen, and diapire 14a the is overlapping whole diapire 13a of the first black receiving element 13.Therefore, the first black receiving element 13 and the second black receiving element 14 are arranged in the non-black receiving position compactly.
In addition, as shown in Figure 5, in the diapire 14a of the second black receiving element 14, form the connecting hole 70 that passes diapire 14a.These connecting holes 70 import the useless ink container 6 by managing 11 China inks that will flow to from the diapire 13a of the first black receiving element 13 on the diapire 14a of the second black receiving element 14.
As shown in Figure 5, connecting hole 70 be arranged in diapire 14a on the front on the direction of guide rod 20, and be arranged on the extended line of groove 60 of the first black receiving element 13 that moves to black receiving position [Hg1].By connecting hole 70 is arranged in those positions,, the groove 60 by the first black receiving element 13 can flow to rapidly in the connecting hole 70 thereby flowing to the China ink of the second black receiving element 14.In addition, as shown in Figure 4, because diapire 14a is downward-sloping towards connecting hole 70, so the China ink on the diapire 14a can import in the connecting hole 70 reposefully.
In addition, as shown in Figure 5, in diapire 14a, form groove 71, these grooves 71 from connecting hole 70 along guide rod 20 bearing of trend substantial linear extend, and from the surface depression of diapire 14a.The China ink that groove 71 will flow on the diapire 14a imports in the connecting hole 70.The same with the groove 60 in being formed on the first black receiving element 13, each groove 71 its cross section in these grooves 71 are roughly V-arrangement.Therefore, China ink can import in the connecting hole 70 reposefully.
Thereby except the first black receiving element 13, the second black receiving element 14 also constitutes like this and arranges.For example,, then it is contemplated that, pipe can be connected on the first black receiving element, and can China ink directly be discharged to useless ink container 6 from this pipe if the second black receiving element 14 is not set.But, in this case, because the first black receiving element 13 constitutes reciprocating motion, so the pipe that connects may disconnect.On the contrary, because the second fixing black receiving element 14 is provided, so the China ink that is ejected on the first black receiving element 13 flows to the second black receiving element.Therefore, can prevent the problems referred to above.
Then the electrical structure of this imaging device 1 is described with reference to Figure 12.Figure 12 is a block diagram, demonstrates the electrical structure of this imaging device 1.
One chip microcomputer (CPU) 80, ROM81, RAM82, gate array (G/A) 83, head driver 84 etc. are installed on imaging device 1.And CPU80, ROM81, RAM82, gate array 83 and head driver 84 interconnect by address bus 85 and data/address bus 86.
Carry out the control of existence/shortage of injection timing, residue of ink amount and the print cartridge China and Mexico of test example such as China ink as the CPU80 of arithmetic unit according to being stored in control program among the ROM81 in advance.In addition, CPU80 produces black injection timing signal and reset signal, and sends these signals to following gate array 83.
In addition, power switch 87, carry motor 89, promote motor 90, pick up motor 91, sledge motor 92, first to the 3rd sensor 93-95 and solenoid 28 and be connected on the CPU80.The electric power of imaging device 1 is given in these power switch 87 supplies or cut-out.Carry motor 89 to be used for driving the drive source of conveying roller 7.Promote motor 90 usefulness and act on the drive source that drives lifting device 9.Pick up motor 91 usefulness and act on the drive source that drives pick-up roller 10.Sledge motor 92 usefulness act on the drive source that drives the first black receiving element 13.CPU80 controls the operation of each device.
First sensor 93 detects block unit 12 and whether is positioned at non-closure position place.Second sensor 94 detects the first black receiving element 13 and whether is positioned at non-black receiving position place.The 3rd sensor 95 detects the first black receiving element 13 (block unit 12) and whether is positioned at black receiving position place.CPU80 monitors the output of each sensor, checks the state of block unit 12 grades thus.In addition, because CPU80 monitors the output of each sensor, so for example prevented that China ink ejects when the first black receiving element 13 is not in black receiving position from nozzle.Therefore, can prevent that the inside of equipment is contaminated.
ROM81 is non-rewritable nonvolatile memory, and the storage various control programs and the value data that are used to control ink droplet jet that will be carried out by CPU80.RAM82 be for can rewrite volatile memory, and temporary transient store various kinds of data etc.
According to the view data that is stored in the video memory 96,83 outputs of this gate array be used for view data (driving signal) to the recording medium of the Imagery Data Recording that will be stored, with synchronous transmission clock CLK, the latch signal of these view data, be used to produce the parameter signal of primary image waveform signal and according to the injection timing signal JET of the printing timing signal that will send out from CPU80 with predetermined cycle output, and these signals are exported to head driver 84.In addition, the image data storage that will send out by interface (I/F) 97 from external device (ED) of gate array 83 is video memory 96.
According to these signals from gate array 83 output, the driving pulse that will have the waveform corresponding with these signals as the head driver 84 of drive circuit imposes on the driving element corresponding with respective nozzle.These driving elements are driven by those driving pulses, eject China ink from respective nozzle then.
Then with reference to Figure 13 A to 13D to clean or during capping the operation of head unit 5 describe.In Figure 13 A to 13D, for the ease of understanding, block unit 12 grades schematically demonstrate.
Figure 13 A demonstrates from head unit 5 and ejects the state that Mo Yizai is positioned at the recording medium formation image on the belt conveyor 8.In this case, head unit 5 is positioned at the position near belt conveyor 8, and block unit 12, the first black receiving element 13 and the second black receiving element 14 are positioned at head unit 5 next doors.And, at this moment, because block unit 12, the first black receiving element 13 and the second black receiving element 14 are vertically superposed mutually, so block unit 12, the first black receiving element 13 and the second black receiving element 14 can be arranged compactly.
Figure 13 B and 13C demonstrate the states during cleaning operation such as head unit 5, the first black receiving element 13.Shown in Figure 13 B, when cleaning operation began, head unit 5 is (away from the direction of belt conveyor 8) motion from the position shown in Figure 13 A along the direction opposite with arrow C.Then, have only the first black receiving element 13 along the direction of arrow D towards the spatial movement between head unit 5 and belt conveyor 8.
Then, shown in Figure 13 C, head unit 5 is moved along the direction of arrow C once more, thereby the respective nozzle of head unit 5 forms on the end of wiper 63 that the surface abuts against the first black receiving element 13.Then, be applied on the head unit 5, thereby spray China ink towards the first black receiving element 13 from these nozzles than the high pressure of pressure when normal China ink sprays.
Subsequently,, be attached to nozzle and form lip-deep shape China ink when the direction opposite with arrow D moved at the first black receiving element 13 by flowing on the first black receiving element 13 being formed on the passage that China ink imports between the broach in the member 62.Then, be attached to nozzle and form lip-deep China ink and wiped away, and flow on the first black receiving element 13 along wiper 63 by wiper 63.
On the other hand, the China ink on the first black receiving element 13 flows to non-black receiving position along the groove 60 on the first black receiving element 13, flows to then on the second black receiving element 14.And, as shown in Figure 4, being arranged in the state at black receiving position place at the first black receiving element 13, extend below the end on the non-black receiving position side of being positioned at of the first black receiving element 13 end that is positioned on the black receiving position side of the second black receiving element 14.Therefore, the China ink that goes out from the non-black receiving position effluent of the first black receiving element 13 can be fallen on the second black receiving element 14 reliably.Therefore, the China ink of falling on the second black receiving element 14 is stored in the useless ink container 6 by managing 11.
The sketch of Figure 13 D demonstrates the states when capping such as head unit 5, block unit 12.When capping, at first as described in reference Figure 13 B, head unit 5 is from moving along the direction opposite with arrow C (away from the direction of belt conveyor 8) in the position shown in Figure 13 A.
Then, block unit 12 moves towards the position between head unit 5 and belt conveyor 8 along the direction of arrow D with the first black receiving element 13.Subsequently, if block unit 12 arrives predetermined closure position, then head unit 5 is moved along the direction of arrow C, thereby the nozzle of head unit 5 forms on the lip 41 that the surface abuts against block unit 12.Therefore, formed the enclosure space that nozzle is formed face seal.
And as for the operation from the capping state shown in Figure 13 D to the state shown in Figure 13 A, head unit 5 is moved along the direction opposite with arrow C, and the unit 12 of blocking a shot simultaneously moves along the direction opposite with arrow D together with the first black receiving element 13.Then, head unit 5 is moved to the position shown in Figure 13 A once more along the direction of arrow C.
Then the method according to the layout film 43 of second embodiment is described with reference to Figure 14 A to Figure 14 C.Figure 14 A is corresponding with Fig. 9 A and be amplification view, and the lip 41 that demonstrates block main body 16 abuts against nozzle and forms lip-deep state.The amplification view of Figure 14 B for cutting open along the XIVb-XIVb line of Figure 14 A.The amplification view of Figure 14 C for cutting open along the XIVc-XIVc line of Figure 14 A.And the parts identical with in the above-described embodiment parts are represented by identical Reference numeral, and the explanation of these parts will be omitted.
In the above-described embodiment, will pass and open the situation that the opening 42 of the base portion 40 of block main body 16 covers to tabular film 43 is illustrated.In method for arranging, will the situation that film 43 is arranged to dome shape (3D shape) be described according to the film 43 of second embodiment.
By with a tabular film to curved and with two edges sealings except the part relative with this sweep, thereby this film 43 is constituted a bag shape.
In addition, recessed portion 47 is formed in the base portion 40.These recessed portions 47 depressions, thus the surface formed than surface away from the nozzle of head unit 5 with lip 41.Opening 42 passes the bottom surface of recessed portion 47, and forms ellipse as shown in Figure 14 B in plane.In addition, on the bottom surface of each recessed portion 47, all form projection 48.These projections 48 are surrounded these openings 42, and form the surface and give prominence to towards nozzle.Film 43 covers projection 48, thereby sweep is faced head unit 5, and therefore this film 43 forms dome shape, and it forms cokled surface towards nozzle.The inner surface of the end of these films 43 is welded on the outer surface of projection 48.
If film 43 is arranged according to the method, then when capping, be welded into the film 43 of dome shape because the pressure when capping changes and as the same as heaving with a side of nozzle formation surface opposite shown in the double dot dash line among Figure 14 A, absorb this pressure variation thus.Therefore, with as in the above-described embodiment film 43 situation that is arranged to writing board shape compare, can increase the movable range of film 43.Therefore, these films 43 can be dealt with very big pressure variation.Therefore, can prevent reliably that meniscus from destroying.In addition, even when environment temperature changes during capping, the same with above-mentioned embodiment, the pressure that also can absorb in the enclosure space changes.
Then the method according to the layout film 43 of the 3rd embodiment is described with reference to Figure 15.Figure 15 is corresponding with Fig. 9 A and be amplification view, and the lip 41 that demonstrates block main body 16 abuts against nozzle and forms lip-deep state.The parts identical with in the above-described embodiment parts are represented by identical Reference numeral, and the explanation of these parts will be omitted.
In the first embodiment, film 43 initial placement as shown in Fig. 9 A becomes to have the flat cross section.In the 3rd embodiment, as shown in Figure 15, film 43 is arranged to have the outstanding convex away from nozzle forms the surface along nozzle in the sectional view that the direction of recording medium injection China ink is cut open.
The end of film 43 is welded on the base portion 40, and film 43 has as by the outstanding convex away from nozzle forms the surface shown in the solid line among Figure 15.In other words, film 43 initially protrudes to form the surface away from nozzle.When capping, film 43 is because the pressure when capping changes and towards heaving with a side of nozzle formation surface opposite, absorb this pressure variation thus.Suppose in enclosure space, occurring negative pressure during the capping.This negative pressure pulls to nozzle with film 43 and forms face side.In this case, because film 43 is arranged to be initially at and has the outstanding convex away from nozzle forms the surface in the sectional view, so these film 43 distortion are with as by equally being smooth shown in the dotted line of Figure 15.Even under the situation that stronger negative pressure occurs, these film 43 distortion are with protruding upward, thereby absorb negative pressure not forming under the situation that surface and nozzle contact with nozzle.Therefore, the chance that causes the meniscus in the nozzle to destroy owing to the contact that forms at film 43 and nozzle between the surface is less.
The present invention is illustrated according to these exemplary, but is not limited to these exemplary.In the scope that does not break away from theme of the present invention, can make various improvement.
For example, the block unit 12 and first black receiving element 13 motions integratedly for capping, and in cleaning operation, have only first black receiving element 13 motions.At this moment, when having only the first black receiving element 13 to move, need less moment.Therefore, the sledge motor 92 that is used for driving the drive source of the first black receiving element 13 can be stepper motor.Then, when having only the first black receiving element 13 to move, can shorten the output gap of driving pulse.Therefore, can reduce the run duration of the first black receiving element 13 when cleaning operation.Therefore, can carry out cleaning operation at a high speed.
In addition, the same with the first black receiving element 13, can in the second black receiving element 14, rib be set so that groove 71 is clipped between these ribs.In this case, can prevent that China ink from leaking to adjacent trenches 71, so China ink can flow reposefully.
In addition, in the above-described embodiment, be illustrated at following situation, wherein in the second black receiving element 14 six connecting holes 70 be set, pipe 11 is connected with each connecting hole 70, and by pipe 11 the China ink importing is given up in the ink container 6.But, replace this six connecting holes 70, a through hole can be set.In this case, pipe 11 needn't be connected with respective connecting 70, and therefore can reduce number of components.
In addition, in the top edge of the sidewall 13b of the first black receiving element 13, the framework that extends internally can be set.In this case, can prevent that China ink from flying into the imaging device 1 from the first black receiving element 13.
In addition, in the 3rd embodiment, film 43 is arranged in along nozzle has the outstanding convex away from nozzle forms the surface in the sectional view that the direction of recording medium injection China ink is cut open.Perhaps, film 43 can form the surface and outstanding convex spraying to have towards nozzle in the sectional view that the direction of China ink cuts open towards recording medium along nozzle.
Claims (15)
1. imaging device, it comprises:
Supply unit (7,8), this supply unit (7,8) conveying recording medium;
Record head (5), this record head (5) comprises that nozzle forms the surface, this nozzle forms the surface and is formed with a plurality of nozzles that are used for towards the recording medium ink-jet of just being carried by supply unit (7,8); And
Block (12), the nozzle that this block (12) can abut against record head (5) forms on the surface, thereby forms the enclosure space that nozzle is formed face seal,
Wherein block (12) comprising:
Base portion (40), described base portion (40) forms the surface in the face of nozzle;
Lip (41), described lip (41) forms the surface from base portion (40) towards nozzle and erects, and forms on the surface thereby can abut against nozzle;
Opening (42), described opening (42) passes base portion (40); And
Fexible film (43), described fexible film (43) covers described opening (42).
2. imaging device as claimed in claim 1, wherein film (43) has gas barrier.
3. imaging device as claimed in claim 2, wherein film (43) comprises that (41a, 41b is 41c) with second film (41a, 41b, 41c, 41d) laminar structure of Xing Chenging with gas barrier by having flexible the first film at least.
4. imaging device as claimed in claim 1, wherein film (43) is welded on the base portion (40).
5. imaging device as claimed in claim 4, wherein film (43) has the outstanding convex away from nozzle forms the surface along nozzle in the sectional view that the direction of recording medium injection China ink is cut open.
6. imaging device as claimed in claim 4, wherein film (43) forms the surface and outstanding convex spraying to have towards nozzle in the sectional view that the direction of China ink cuts open towards recording medium along nozzle.
7. imaging device as claimed in claim 6, wherein:
Base portion (40) has recessed portion (47), the female part (47) thus recessedly form the surface away from nozzle,
Opening (42) is formed in the bottom surface of recessed portion (47),
In the bottom surface of recessed portion (47), form and form the surface and projection (48) outstanding and that surround opening (42) towards nozzle, and
Film (43) is welded to projection (48) thereby going up to have towards nozzle forms the surface and outstanding dome shape.
8. imaging device as claimed in claim 1, wherein:
Base portion (40) is made by first resin material, and
Lip (41) is made greater than second resin material of first resin material by elasticity.
9. imaging device as claimed in claim 1, wherein lip (41) forms the chevron that has a summit in sectional view.
10. imaging device as claimed in claim 1, wherein the maximum height of each lip (41) is 0.75 to 2.5 times of Breadth Maximum of this lip (41).
11. imaging device as claimed in claim 10, wherein:
The maximum height of each lip (41) in the scope of 1.0mm to 2.0mm, and
The Breadth Maximum of each lip (41) is in the scope of 1.5mm to 2.5mm.
12. imaging device as claimed in claim 1, wherein the JIS A hardness of each lip (41) is spent to the scopes of 20 degree 10.
13. imaging device as claimed in claim 1 also comprises:
Block support (17), this block support (17) supports block (16), and has predetermined gap between block support (17) and base portion (40); And
Elastomer (53), described elastomer (53) are arranged between block support (17) and the base portion (40).
14. as each described imaging device in the claim 1 to 13, wherein record head (5) is the line head type.
15. block that is used for imaging device, this imaging device comprises supply unit (7,8) and record head (5), this supply unit (7,8) conveying recording medium, this record head (5) comprises that nozzle forms the surface, this nozzle forms the surface and is formed with a plurality of nozzles that are used for towards the recording medium ink-jet of just being carried by supply unit (7,8), and this block can abut against nozzle and form on the surface, thereby form the enclosure space that nozzle is formed face seal, this block comprises:
Base portion (40), described base portion (40) forms the surface in the face of nozzle;
Lip (41), described lip (41) forms the surface from base portion towards nozzle and erects, and forms on the surface thereby can abut against nozzle;
Opening (42), described opening (42) passes base portion (40); And
Fexible film (43), described fexible film (43) covers described opening (42).
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005055875A JP2006239936A (en) | 2005-03-01 | 2005-03-01 | Image forming apparatus and cap |
| JP2005055875 | 2005-03-01 | ||
| JP2005-055875 | 2005-03-01 | ||
| JP2005-061676 | 2005-03-04 | ||
| JP2005061676 | 2005-03-04 | ||
| JP2005-061678 | 2005-03-04 | ||
| JP2005061678A JP4670399B2 (en) | 2005-03-04 | 2005-03-04 | Image forming apparatus |
| JP2005061676A JP4470761B2 (en) | 2005-03-04 | 2005-03-04 | Image forming apparatus |
| JP2005061678 | 2005-03-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1827376A true CN1827376A (en) | 2006-09-06 |
| CN100425449C CN100425449C (en) | 2008-10-15 |
Family
ID=36946013
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100198376A Active CN100450776C (en) | 2005-03-01 | 2006-03-01 | Image forming apparatus |
| CNB2006100198361A Expired - Fee Related CN100425449C (en) | 2005-03-01 | 2006-03-01 | Image forming apparatus |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100198376A Active CN100450776C (en) | 2005-03-01 | 2006-03-01 | Image forming apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006239936A (en) |
| CN (2) | CN100450776C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101152791B (en) * | 2006-09-25 | 2010-08-25 | 兄弟工业株式会社 | Cap and inject head protecting assembly |
| CN102248784A (en) * | 2010-05-18 | 2011-11-23 | 精工爱普生株式会社 | Fluid ejecting apparatus |
| CN115122778A (en) * | 2021-03-24 | 2022-09-30 | 京瓷办公信息系统株式会社 | Ink jet recording apparatus |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008229932A (en) * | 2007-03-19 | 2008-10-02 | Brother Ind Ltd | Liquid discharging apparatus, and head assembly |
| CN103600585B (en) * | 2013-08-31 | 2016-04-06 | 深圳市全印图文技术有限公司 | For method for moisturizing and the moisturizing bar of digital decorating machine shower nozzle |
| JP5883840B2 (en) * | 2013-10-31 | 2016-03-15 | 京セラドキュメントソリューションズ株式会社 | Inkjet recording device |
| CN109421377B (en) | 2017-08-24 | 2022-04-01 | 精工爱普生株式会社 | Cap device and liquid ejecting apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60260341A (en) * | 1984-06-08 | 1985-12-23 | Seiko Epson Corp | Ink jet printer |
| JPH03272860A (en) * | 1990-03-22 | 1991-12-04 | Canon Inc | Ink absorption recovering device for ink jet recorder |
| US5117244A (en) * | 1991-09-23 | 1992-05-26 | Xerox Corporation | Nozzle capping device for an ink jet printhead |
| DE69307053T2 (en) * | 1992-08-26 | 1997-04-17 | Hewlett Packard Co | Cover with a resilient lip for an inkjet printhead |
| JP4022946B2 (en) * | 1996-11-15 | 2007-12-19 | ブラザー工業株式会社 | Capping device |
| JP3508807B2 (en) * | 1996-11-18 | 2004-03-22 | セイコーエプソン株式会社 | Ink jet recording device |
| JP2878214B2 (en) * | 1996-11-20 | 1999-04-05 | 新潟日本電気株式会社 | Ink jet recording device |
| US6866361B2 (en) * | 2002-10-02 | 2005-03-15 | Brother Kogyo Kabushiki Kaisha | Ink-jet recording apparatus and maintenance method of ink-jet head included in ink-jet recording apparatus |
-
2005
- 2005-03-01 JP JP2005055875A patent/JP2006239936A/en active Pending
-
2006
- 2006-03-01 CN CNB2006100198376A patent/CN100450776C/en active Active
- 2006-03-01 CN CNB2006100198361A patent/CN100425449C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101152791B (en) * | 2006-09-25 | 2010-08-25 | 兄弟工业株式会社 | Cap and inject head protecting assembly |
| CN102248784A (en) * | 2010-05-18 | 2011-11-23 | 精工爱普生株式会社 | Fluid ejecting apparatus |
| CN115122778A (en) * | 2021-03-24 | 2022-09-30 | 京瓷办公信息系统株式会社 | Ink jet recording apparatus |
| US11964489B2 (en) | 2021-03-24 | 2024-04-23 | Kyocera Document Solutions Inc. | Inkjet recording apparatus |
| CN115122778B (en) * | 2021-03-24 | 2024-06-07 | 京瓷办公信息系统株式会社 | Ink jet recording apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006239936A (en) | 2006-09-14 |
| CN100450776C (en) | 2009-01-14 |
| CN100425449C (en) | 2008-10-15 |
| CN1827377A (en) | 2006-09-06 |
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