CN205058843U - Printing ink feeding device and inkjet recording device - Google Patents

Abstract

The utility model provides a printing ink feeding device and inkjet recording device, this printing ink feeding device possess: the printing ink feed pump is pumped printing ink by the ink horn, spit the room, receive the printing ink that the printing ink feed pump pumped to the confession ink gun uses, the filter will spit the room and separate to become, with upper reaches room that the printing ink feed pump is connected and with the low reaches room that the ink gun is connected, and clearance portion, install upper reaches room department makes indoor portion in the upper reaches and outside intercommunication to it is right to connect outside pipeline the indoor portion in the upper reaches clears up.

Description

Ink feeder and ink-jet recording apparatus

Technical field

The utility model relates to the ink feeder of ink gun in ink-jet recording apparatus, and adopts the ink-jet recording apparatus of this ink feeder.

Background technology

The ink feeder of ink-jet recording apparatus is connected with ink gun.Ink feeder has the inking pump for supplying ink gun.

As ink feeder, there is following apparatus, that is, there is the room that spues be communicated with the spitting unit of inking pump, via the room that spues, by inking to ink gun.In the room that spues of ink feeder, be configured with filter, this filter indoor separation that will spue becomes upstream chamber and downstream chamber, catches bubble in upstream chamber side, thus, stops bubble to flow into ink gun.

Due to, the indoor that spue of above-mentioned ink feeder are separated into upstream chamber and downstream chamber by filter, described in, if the spitting unit of inking pump is closed, so, the space of upstream chamber is easily blocked because front and back width is narrower.Especially, if the indoor filter that spues attached to liquid, so, substantially sealed in upstream chamber.In addition, above-mentioned ink feeder, before shipment, can use cleaning fluid by internal washing, and the cleaning fluid after cleaning is difficult to discharge from upstream chamber, and cleaning fluid is also difficult to each corner arriving upstream chamber.In addition, above-mentioned ink feeder after cleaning, is difficult to carry out drying to the inside of upstream chamber efficiently.

Utility model content

Ink feeder involved by the utility model embodiment, possesses:

Inking pump, is pumped ink by print cartridge;

Spue room, receives the ink that described inking pump pumps, use for ink gun;

Filter, is separated into the described room of spuing, the upstream chamber be connected with described inking pump and the downstream chamber be connected with described ink gun; And

Cleaning portion, is arranged on described upstream chamber place, makes described upstream chamber inside and ft connection, clears up to connect exterior line to described upstream chamber inside.

Ink-jet recording apparatus involved by the utility model embodiment, possesses:

Transport platform, conveying recording medium;

Ink gun, is injected into ink on described recording medium;

Ink feeder, for described ink gun provides ink;

Wherein, described ink feeder comprises further:

Inking pump, is pumped ink by print cartridge;

Spue room, receives the ink that described inking pump pumps, use for described ink gun;

Filter, is separated into the described room of spuing, the upstream chamber be connected with described inking pump and the downstream chamber be connected with described ink gun; And

Cleaning portion, is arranged on described upstream chamber place, makes described upstream chamber inside and ft connection, clears up to connect exterior line to described upstream chamber inside.

The utility model, by cleaning portion, can connect the pipeline of outside transport cleaning liquid or air, to clean the upstream chamber of the room that spues and drying, can improve cleaning and drying effect by circulating structure.

Accompanying drawing explanation

Fig. 1 is the ink-jet recording apparatus front view of the utility model embodiment;

Fig. 2 is the top view of ink-jet recording apparatus shown in Fig. 1;

Fig. 3 is the stereogram of the ink jet unit of the utility model embodiment;

Fig. 4 is the exploded perspective view of ink jet unit shown in Fig. 3;

Fig. 5 is the profile of the 5-5 line along Fig. 3;

Fig. 6 is the block diagram of the structure of the drive system of pump of the ink-jet recording apparatus representing the utility model embodiment;

Fig. 7 A is the profile of the sucting open mode when pumping into of pump shown in Fig. 5;

Fig. 7 B is the profile of the spitting unit closed condition when pumping into of pump shown in Fig. 5;

Fig. 8 A is the profile of the sucting open mode when pumping of pump shown in Fig. 5;

Fig. 8 B is the profile of the spitting unit closed condition when pumping of pump shown in Fig. 5;

Fig. 9 is the stereogram of the ink jet unit of the utility model embodiment.

Detailed description of the invention

Below, with reference to accompanying drawing, embodiment of the present utility model is described.In addition, in each figure, mark identical label for a part.

Fig. 1 is the front view of the ink-jet recording apparatus 1 involved by embodiment after a part for box body 2 being destroyed.The top view of the ink-jet recording apparatus 1 involved by embodiment after a part for box body 2 is destroyed by Fig. 2.

Ink-jet recording apparatus 1 is configured with transport platform 3, travelling carriage 4 and maintenance unit 5 in box body 2.Transport platform 3 is maintained slidably retained on the conveying guide rail 6 of setting in box body 2.Conveying guide rail 6 is linearly to be extended in general horizontal direction.Transport platform 3 is being moved operation by not shown motor along the direction of conveying guide rail 6.In addition, transport platform 3 is provided with depression generator 7, depression generator 7 is for attracting to be fixed on transport platform 3 by laminar recording medium S such as printing paper.In addition, recording medium S is not limited to paper, can also be resin, metal film; Wood plank etc.

Travelling carriage 4 can be maintained slidably retained on the scanning guide rail 8 that is arranged in box body 2.Scanning guide rail 8 is linearly extension in the general horizontal direction vertical with conveying guide rail 6.Travelling carriage 4, by the conveyer belt 9 driven by not shown motor, is being moved operation along the direction of scanning guide rail 8.

Travelling carriage 4 carries multiple ink jet units 10 that the scanning direction along travelling carriage 4 arranges.Ink jet unit 10 possesses: the ink gun 11 ink being injected into recording medium; And at the ink feeder 12 that the upper side of ink gun 11 is combined with ink gun 11.Travelling carriage 4 carries the ink jet unit 10 of the quantity corresponding with the kind of the ink be injected on recording medium S.The ink sprayed from each ink jet unit 10 except the different colours of blue-green, magenta, yellow, black, white etc. can be used, colorific specialty inks etc. when can also use transparent gloss ink, irradiation infrared ray or ultraviolet.

The ink feeder 12 of each ink jet unit 10 be arranged in box body 2, corresponding print cartridge 13 (ink storage portion) and connect.The ink feeder 12 of each ink jet unit 10 connects by having flexual tube connector 14 with corresponding print cartridge 13.

Multiple ink jet unit 10 is intensive to be configured on travelling carriage 4, together moves along scanning guide rail 8 with travelling carriage 4.When from ink gun 11 ink being injected into the recording medium S transport platform 3, travelling carriage 4 moves in the scope that the moving track with transport platform 3 intersects.When not carrying out the injection of ink from ink gun 11, as shown in Figure 1 and Figure 2, travelling carriage 4 stops at the position of readiness be separated from the moving track of transport platform 3.

When multiple ink jet unit 10 together gets back to position of readiness with travelling carriage 4, maintenance unit 5 covers the injection portion of the ink of each ink gun 11, prevents the evaporation of ink.In addition, when multiple ink jet unit 10 gets back to position of readiness, maintenance unit 5 carries out suitable cleaning to the parts contacted with the recording medium S of ink gun 11.

The ink gun 11 of each ink jet unit 10 possesses: not shown multiple spray nozzle parts ink being injected into recording medium S; And towards the not shown driver that each spray nozzle part configures.Driver is such as by using the piezoelectric vibrating plate etc. of piezoelectric ceramics to form.The structure of driver is not limited to this structure, as long as can improve the structure of the pressure of ink according to input signal, so can also adopt other structures.

When ink-jet recording apparatus 1 involved by this embodiment carries out the printing based on input signal on recording medium S, while the travelling carriage 4 making to have carried ink jet unit 10 and the transport platform 3 having loaded recording medium S suitably move linearly, from the specific spray nozzle part ink jet based on input signal of ink gun 11.

In addition, in this embodiment, recording medium S is attracted to be fixed in transport platform 3, make this transport platform 3 to while a direction movement, ink jet unit 10 is moved to the direction vertical with the moving direction of transport platform 3, recording medium S carries out the printing based on input signal.But the mode of movement of recording medium S and recording medium S is not limited thereto.Can also be such as, use the roll shape recording medium being similar to coil paper, while being pulled out by this recording medium from roller, use ink gun to print recording medium.In addition, can also be, while using air roll to be carried one by one by laminar recording medium, use ink gun to print recording medium.

Fig. 3 is the stereogram of ink jet unit 10.Fig. 4 is the exploded perspective view of ink jet unit 10.Fig. 5 is the profile of the 5-5 line of Fig. 3 along ink jet unit 10.

As mentioned above, ink jet unit 10, on the top of ink gun 11, is combined integratedly with ink feeder 12.Ink feeder 12 involved by this embodiment has: the inking imported by the print cartridge 13 (ink storage portion) from outside is to the feed path of ink gun 11; And the reversing paths that the ink do not sprayed from the spray nozzle part of ink gun 11 is returned.As shown in Figure 4, Figure 5, ink feeder 12 has the first pump 15 and the built-in box body 17 of the second pump 16.As shown in Figure 3, Figure 4, box body 17 possesses: for by inking to the inking pipe 18 of the spray nozzle part of ink gun 11; And for making the ink recurrent canal 19 that returns from ink gun 11 of ink do not sprayed by the spray nozzle part of ink gun 11.

First pump 15 is the ink for consuming from print cartridge 13 supply printing, service action etc., and by inking to the supply pump of ink gun 11.As shown in Figure 5, in box body 17, the room 20 that spues is formed.Spue room 20 and the adjacent configuration of spitting unit 15a towards the first pump 15 in the upstream portion of the feed path of the ink of ink gun 11.

In the inside of box body 17, be formed with the supply side ink chamber 21 and recovery side ink chamber 22 that temporarily can store ink.Supply side ink chamber 21 is arranged with the downstream portion of the room 20 that spues in box body 17 is adjacent.Supply side ink chamber 21 is connected with inking pipe 18.Ink gun 11 supply is stored in the ink of supply side ink chamber 21.

Reclaim side ink chamber 22 to be connected with ink recurrent canal 19.Recovery side ink chamber 22 is not flowed into by recurrent canal 19 by the ink that ink gun 11 sprays.Reclaim side ink chamber 22 to be configured in the reversing paths in box body 17.In the downstream of reversing paths, adjoin and be configured with suction chamber 23.The sucting 16b of the second pump 16 and suction chamber 23 adjoin and configure.

Second pump 16 is the reflux pumps for making from reclaiming ink that side ink chamber 22 flows into suction chamber 23 and be back to the room 20 that spues.The spitting unit 16a of the second pump 16 adjoins with the room 20 that spues and configures.Spitting unit 15a, the 16a of the first pump 15 and the second pump 16 are adjacent with the room 20 that spues side by side.Second pump 16 as drive source, makes ink circulate between ink gun 11 by the ink feeder 12 involved by this embodiment.

In addition, air chamber is become with the top of the ink level reclaimed in side ink chamber 22 in supply side ink chamber 21.The pressure in each air chamber is detected by not shown pressure sensor.As shown in Figure 3, pressure adjustment unit 24 is set on the top of box body 17.The pressure adjusting being supplied to the ink of ink gun 11, according to the testing result of pressure sensor, is suitable pressure by pressure adjustment unit 24.

The box body 17 of ink feeder 12 is formed as overall for roughly rectangular-shaped.When ink jet unit 10 is equipped on travelling carriage 4 (with reference to Fig. 1, Fig. 2), compared with the size of the width W consistent with the scanning direction of travelling carriage 4 of box body 17, the size of depth direction D consistent with the throughput direction of transport platform 3 is compared with the size of short transverse H, shorter.As shown in Figure 4, Figure 5, box body 17 possesses: the cartridge body 17A defining supply side ink chamber 21 and recovery side ink chamber 22; And the pump unit box 17B to be combined with a sidepiece of the width W of cartridge body 17A.Box body 17 also possesses: under the state clipping pump unit 25 described later between pump unit box 17B, with the unit cover 17C that pump unit box 17B is combined.

Supply side ink chamber 21 configures side by side with the recovery depth direction D of side ink chamber 22 in cartridge body 17A, connects inking pipe 18 and ink recurrent canal 19 in each lower end.Under the state that ink jet unit 10 is equipped on travelling carriage 4, ink from supply side ink chamber 21 to inking pipe 18, and flows to vertical lower.

Pump unit box 17B, in front view, is formed as long roughly ellipticity to depth direction D.The inside of the perisporium of pump unit box 17B is divided into three regions by the first partition wall 26 extended at short transverse H and the second partition wall 27.At the middle section clamped by the first partition wall 26 and second partition wall 27 of pump unit box 17B, form three connected entrances 28.Three connected entrances 28 are formed in the scope of the lower side of the short transverse H of deflection pump unit box 17B.

In the front and back of the width W of pump unit box 17B, pump unit 25 is overlapping with the side of cartridge body 17A.The middle section of pump unit box 17B and the side of pump unit 25 and cartridge body 17A form the described room 20 that spues jointly.The first pump 15 on pump unit 25 is adjacent with the room 20 that spues with each spitting unit 15a, the 16a of the second pump 16.In addition, three connected entrances 28 of pump unit box 17B are provided with filter 29.Filter 29 will spue in room 20 and be separated into upstream chamber 30 and downstream chamber 31, catch the bubble of the ink be mixed into through connected entrance 28 in upstream chamber 30 side.Downstream chamber 31 is communicated with the supply side ink chamber 21 of cartridge body 17A by opening 21a.

The region of the side of being separated by first partition wall 26 of pump unit box 17B forms the adjacent suction chamber 32 of the sucting 15b of the first pump 15 on pump unit 25.The ink introduction part 33 be communicated with suction chamber 32 is formed in pump unit box 17B.The other end of the tube connector 14 (with reference to Fig. 1, Fig. 2) that ink introduction part 33 and one end are connected with corresponding print cartridge 13 connects.From print cartridge 13 to suction chamber 32, import ink by ink introduction part 33.

The region of the opposite side separated by second partition wall 27 of pump unit box 17B forms the adjacent suction chamber 23 of the sucting 16b of the second pump 16 on pump unit 25.Suction chamber 23 is communicated with the recovery side ink chamber 22 of cartridge body 17A side.

In this embodiment, the first pump 15 and the second pump 16 are formed inking to the inking pump of ink gun 11.First pump 15 and the second pump 16 are all made up of the pump of diaphragm type.First pump 15 and the second pump 16 are as on the adjacent block being configured at one of pump unit 25.

As shown in Figure 4, pump unit 25 possesses: the piezoelectric diaphragm 35 of a pair in the face of the substrate 34 gripped by cartridge body 17A and unit cover 17C and the unit cover 17C side that is installed on substrate 34.In the side of depth direction D near substrate 34, be formed in width W through substrate 34, the inlet hole 36 of the first pump 15 and the hole 37 that spues.At the opposite side of depth direction D near substrate 34, be formed in width W through substrate 34, the inlet hole 38 of the second pump 16 and the hole 39 that spues.The region across inlet hole 36 and the hole 37 that spues on substrate 34, has installed a piezoelectric diaphragm 35 in the mode covering the surrounding in this region.Similarly, in the region across the inlet hole 38 on substrate 34 and the hole 39 that spues, in the mode covering the surrounding in this region, another piezoelectric diaphragm 35 has been installed.

As shown in Figure 5, piezoelectric diaphragm 35 forms the pump chamber 40 of the first pump 15 between substrate 34.In addition, as shown in Figure 5, another piezoelectric diaphragm 35 forms the pump chamber 41 of the second pump 16 between substrate 34.As shown in Figure 4, the main stickup by piezoelectric element 35a and metallic plate 35b of piezoelectric diaphragm 35 is formed.In addition, the label 42 in Fig. 4 is the protection thin slices covering piezoelectric diaphragm 35 two sides.In addition, the label 43 in Fig. 4 is for keeping the periphery of piezoelectric diaphragm 35 and protection thin slice 42 and being fixed on the retaining ring of substrate 34.

The sucting 15b of the first pump 15, in the forming portion of the inlet hole 36 be communicated with pump chamber 40 by suction chamber 32, has installed the laminar valve body 44i of this inlet hole 36 of opening and closing.Valve body 44i is configured at the inner side of pump chamber 40, and from the inner side of pump chamber 40, the valve seat 45i of the periphery of relative inlet hole 36 abuts and is separated.The spitting unit 15a of the first pump 15 has installed the laminar valve body 44o in this hole 37 that spues of opening and closing in the forming portion in the hole 37 that spues be communicated with the room 20 (upstream chamber 30) that spues by pump chamber 40.Valve body 44o is configured at the side, room 20 (outside of pump chamber 40) that spues, and the valve seat 45o of the periphery in the hole 37 that relatively spues from the side, room 20 that spues abuts and is separated.

The sucting 16b of the second pump 16, in the forming portion of the inlet hole 38 be communicated with pump chamber 41 by suction chamber 23, has installed the laminar valve body 44i of this inlet hole 38 of opening and closing.Valve body 44i is configured at the inner side of pump chamber 41, and from the inner side of pump chamber 41, the valve seat 45i of the periphery of relative inlet hole 38 abuts and is separated.The spitting unit 16a of the second pump 16, in the forming portion in the hole 39 that spues be communicated with the room 20 (upstream chamber 30) that spues by pump chamber 41, has installed the laminar valve body 44o in this hole 39 that spues of opening and closing.Valve body 44o is configured at the side, room 20 (outside of pump chamber 41) that spues, and the valve seat 45o of the periphery in the hole 39 that relatively spues from the side, room 20 that spues abuts and is separated.

Fig. 6 is the block diagram of the structure of the drive system representing the first pump 15 and the second pump 16.

As shown in Figure 6, the first pump 15 is driven after corresponding drive circuit 46,47 receives driving voltage with each piezoelectric diaphragm 35 of the second pump 16.The driving voltage of the control signal based on control device 49 is exported to corresponding piezoelectric diaphragm 35 by each drive circuit 46,47.Periodically apply the driving voltage of pulse type from drive circuit 46,47, thus, the middle section of each piezoelectric diaphragm 35 is according to the change change of driving voltage.Thus, the volume of the pump chamber 40,41 of the first pump 15 and the second pump 16 increases and decreases, and valve body 44i, 44o of suction side and exhaust end hocket on-off action.

Fig. 7 A is the profile of the action of the valve body 44i of the volume of the pump chamber 40,41 representing the first pump 15 and the second pump 16 sucting 15b, 16b when increasing.Fig. 7 B is the profile of action of valve body 44o of the spitting unit 15a of the volume of the pump chamber 40,41 representing the first pump 15 and the second pump 16 when increasing, 16a.In addition, the profile of the action of the valve body 44i of sucting 15b, 16b when Fig. 8 A is the volume reducing of the pump chamber 40,41 representing the first pump 15 and the second pump 16.The profile of the action of spitting unit 15a when Fig. 8 B is the volume reducing of the pump chamber 40,41 representing the first pump 15 and the second pump 16, the valve body 44o of 16a.

As shown in Figure 7 A, 7 B, if piezoelectric diaphragm 35 receives driving voltage, the volume in pump chamber 40,41 is increased, so, inlet hole 36,38 is opened by the valve body 44i of sucting 15b, 16b of the first pump 15 and the second pump 16, and the valve body 44o of spitting unit 15a, 16a closes the hole 37,39 that spues.Thus, ink is sucked pump chamber 40,41 by from suction chamber 32,23.In addition, as shown in Fig. 8 A, Fig. 8 B, if piezoelectric diaphragm 35 makes the volume reducing in pump chamber 40,41, so, the valve body 44i of sucting 15b, 16b of the first pump 15 and the second pump 16 closes inlet hole 36,38, spitting unit 15a, the valve body 44o of 16a opens the hole 37,39 that spues.Thus, the ink in pump chamber 40,41 is spued to the room 20 (upstream chamber 30) that spues by the hole 37,39 that spues.Ink in suction chamber 32,23, by repeating above action, is supplied to the room 20 that spues by the first pump 15 and the second pump 16 continuously.

In ink feeder 12 involved by this embodiment, if ink is spued to the upstream chamber 30 of the room 20 that spues from the first pump 15 and the second pump 16, so, this ink flows into downstream chamber 31 after filter 29.At this moment, the bubble being mixed into ink caught by filter 29, suppresses bubble to flow into downstream chamber 31.So, the ink flowing into downstream chamber 31 after removing bubble is temporarily stored in after in supply side ink chamber 21, by inking pipe 18, is supplied to the spray nozzle part of ink gun 11.In addition, do not flowed into the recovery side ink chamber 22 of ink feeder 12 by ink recurrent canal 19 by the ink of the spray nozzle part of ink gun 11 injection.Flow into the ink reclaiming side ink chamber 22 to flow in suction chamber 23.The ink flowed in suction chamber 23 is spued to upstream chamber 30 again by the second pump 16.

Fig. 9 is the stereogram representing the ink jet unit 10 eliminating unit cover 17C and pump unit 25 from the box body 17 of ink feeder 12.

As shown in Fig. 4, Fig. 9, at the upper wall 17B-a of the pump unit box 17B adjacent with the upper space of upstream chamber 30, be provided with and be communicated with inside so that the cleaning portion of cleaning, cleaning portion can close when not using, can be connected with exterior line when needed, cleaning fluid or water is filled with to utilize the inside of exterior line to pump unit box 17B, cleaning portion in present embodiment comprises interior for upstream chamber 30 hollow body exposing described upstream chamber outer surface with ft connection, as fluid supply discharge portion 60A, 60B for safeguarding.Fluid supply discharge portion 60A, 60B are formed with the intercommunicating pore 61 will be communicated with inside and outside upstream chamber 30.Fluid supply discharge portion 60A and fluid supply discharge portion 60B and are configured at the position be separated at depth direction D on upper wall 17B-a.During usual use after the shipment of ink feeder 12, as shown in Figure 3, blocked by the outside of cap 70 from fluid supply discharge portion 60A, 60B.

Before by ink feeder 12 shipment, during the inside of wash oil ink supply device 12; Or after shipment, in order to safeguard, during the inside of wash oil ink supply device 12, suitably can open the intercommunicating pore 61 of fluid supply discharge portion 60A, 60B.

When the inside of ink feeder 12 being cleaned practically before shipment or after shipment, such as, under the state that ink gun 11 is connected with ink feeder 12, ink introduction part 33 is connected with the pipe being used for importing rinse water.In this condition, the first pump 15 and the second pump 16 action is made.Thus, cleaning fluid, in the internal flow of ink feeder 12 with ink gun 11, cleans their inside.Afterwards, pass air into the inside of ink feeder 12 and ink gun 11 from ink introduction part 33 etc., make the inside of ink feeder 12 and ink gun 11 dry.

In ink feeder 12 involved by this embodiment, be separated into upstream chamber 30 and downstream chamber 31 with the room 20 that spues that the first pump 15 is communicated with each spitting unit 15a, the 16a of the second pump 16 by filter 29.Therefore, it is narrow that the inside of upstream chamber 30 becomes width W, the space that depth direction D and short transverse H is wider.Therefore, only need the inside of wash oil ink supply device 12 as described above, each corner in cleaning fluid arrival upstream chamber 30 can be made, and the inside of upstream chamber 30 is difficult to drying.In addition, if filter 29 attached to the moisture such as cleaning fluid, so, upstream chamber 30 is sealed, and cleaning fluid is expelled to outside.

Except above-mentioned cleaning, the ink feeder 12 involved by this embodiment, by opening each intercommunicating pore 61 of fluid supply discharge portion 60A, 60B, easily can carry out the cleaning in upstream chamber 30 and drying.Specifically, such as, fluid supply discharge portion 60A and fluid supply discharge portion 60B either party be connected with the supply pipe of cleaning fluid, the opposing party is connected with the discharge pipe of cleaning fluid, thereby, it is possible to clean in the upstream chamber 30 as the narrow spatial portion of width W.At this moment, the side that cleaning fluid supplies discharge portion 60B from fluid supply discharge portion 60A and fluid is flowed directly in upstream chamber 30, therefore, it is possible to easily cleaned each corner in upstream chamber 30 by cleaning fluid.

Especially, in the ink feeder 12 of this embodiment, fluid supply discharge portion 60A is configured at the direction vertical with the width W of upstream chamber 30 with the intercommunicating pore 61 that fluid supplies discharge portion 60B.Therefore, the cleaning fluid flowed in upstream chamber 30 easily can arrive the comparatively cross direction (short transverse H and depth direction D) in upstream chamber 30, positively can clean the inside of upstream chamber 30.

In addition, after above-mentioned cleaning, during the inside of dry upstream chamber 30, such as, fluid supply discharge portion 60A and fluid supply discharge portion 60B either party be connected with air leading-in conduit, the opposing party is connected with air discharge duct.So, air is imported upstream chamber 30 from a side of fluid supply discharge portion 60A and fluid supply discharge portion 60B, discharges air from the opposing party, so, can easily and promptly carry out drying in upstream chamber 30.

In addition, in this embodiment, be provided with two and supply discharge portion 60A, 60B by upstream chamber 30 with the fluid being used for safeguarding of ft connection, but the quantity of fluid supply discharge portion, if more than one, can be so arbitrary.But as this embodiment, fluid is supplied discharge portion 60A, 60B is when being set to multiple, any one can be used for import cleaning fluid or air, remaining is for discharging cleaning fluid or air.Therefore, it is possible to easily and the cleaning promptly carried out in upstream chamber 30 and drying.

In addition, in the ink feeder 12 involved by this embodiment, the first pump 15 of diaphragm type and the second pump 16 configure side by side, form slim pump unit 25 integratedly.Then, pump unit 25 is overlapping with pump unit box 17B, is installed on cartridge body 17A as compact block.Therefore, the ink feeder 12 involved by this embodiment has following advantage, that is, the first pump 15 and the second pump 16 can be formed compactly with the room 20 that spues, suction chamber 32,23.But the size of the width W of the upstream chamber 30 be separated into by filter 29 is less, therefore, words are like this difficult to carry out the cleaning in upstream chamber 30 and drying.Ink feeder 12 involved by this embodiment, by arranging in upstream chamber 30 and fluid supply discharge portion 60A, the 60B of ft connection, while the densification of implement device entirety, can easily carry out the cleaning in upstream chamber 30 and drying afterwards.

The ink feeder 12 of above-mentioned embodiment the first pump 15 and the second pump 16 that to possess each spitting unit 15a, 16a adjacent with the room 20 that spues.But the quantity of inking pump is not limited to two, can be arbitrary, also can be one.Such as, when separately having means ink being imported the supply side ink chamber 21 in ink feeder 12 from outside, can not used for the first pump 15 of ink supply.In addition, do not make ink circulation time between ink feeder 12 and ink gun 11, can not used for the second pump 16 of circulation.

Although the description of several embodiment of the present utility model, but these embodiments are propose as an example, are not intended to limit scope of the present utility model.These new embodiments, can implement in other various modes, in the scope of main idea not departing from utility model, can carry out various omission, displacement, combination and change.These embodiments and its distortion are all contained in scope of the present utility model and main idea, and in the utility model be contained in described in claims and equivalency range thereof.

Claims (10)

1. an ink feeder, is characterized in that, possesses:

Inking pump, is pumped ink by print cartridge;

Spue room, receives the ink that described inking pump pumps, use for ink gun;

Filter, is separated into the described room of spuing, the upstream chamber be connected with described inking pump and the downstream chamber be connected with described ink gun; And

Cleaning portion, is arranged on described upstream chamber place, makes described upstream chamber inside and ft connection, clears up to connect exterior line to described upstream chamber inside.

2. ink feeder according to claim 1, is characterized in that,

Described cleaning portion at least comprises two fluids be communicated with described upstream chamber respectively and supplies discharge portion, to form turnover circulation canal in described upstream chamber.

3. ink feeder according to claim 2, is characterized in that,

Described fluid supply discharge portion comprises the hollow body exposing described upstream chamber outer surface.

4. ink feeder according to claim 3, is characterized in that,

Described hollow body is provided with the cap of the openend of closed described hollow body.

5. ink feeder according to claim 4, is characterized in that,

The width of described upstream chamber is less than its height and length, and described fluid supply discharge portion is arranged on described upstream chamber two ends in the longitudinal direction respectively.

6. an ink-jet recording apparatus, is characterized in that, possesses:

Transport platform, conveying recording medium;

Ink gun, is injected into ink on described recording medium;

Ink feeder, for described ink gun provides ink;

Wherein, described ink feeder comprises further:

Inking pump, is pumped ink by print cartridge;

Spue room, receives the ink that described inking pump pumps, use for described ink gun;

Filter, is separated into the described room of spuing, the upstream chamber be connected with described inking pump and the downstream chamber be connected with described ink gun; And

Cleaning portion, is arranged on described upstream chamber place, makes described upstream chamber inside and ft connection, clears up to connect exterior line to described upstream chamber inside.

7. ink-jet recording apparatus according to claim 6, is characterized in that,

Described cleaning portion at least comprises two fluids be communicated with described upstream chamber respectively and supplies discharge portion, to form turnover circulation canal in described upstream chamber.

8. ink-jet recording apparatus according to claim 7, is characterized in that,

Described fluid supply discharge portion comprises the hollow body exposing described upstream chamber outer surface.

9. ink-jet recording apparatus according to claim 8, is characterized in that,

Described hollow body is provided with the cap of the openend of closed described hollow body.

10. ink-jet recording apparatus according to claim 9, is characterized in that,

The width of described upstream chamber is less than its height and length, and described fluid supply discharge portion is arranged on described upstream chamber two ends in the longitudinal direction respectively.