CN106553449B - Ink-jet recording apparatus - Google Patents
Ink-jet recording apparatus Download PDFInfo
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- CN106553449B CN106553449B CN201510634774.4A CN201510634774A CN106553449B CN 106553449 B CN106553449 B CN 106553449B CN 201510634774 A CN201510634774 A CN 201510634774A CN 106553449 B CN106553449 B CN 106553449B
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Abstract
The ink-jet recording apparatus of the application includes the second pump and control device of ink gun, the first pump of diaphragm-type, diaphragm-type.Ink gun sprays ink to recording medium.First pump will be conveyed from the ink that black reservoir imports to ink gun.Second pumping enters from the unsprayed ink of ink gun and is sprayed to discharge chamber, the blowing unit that the discharge chamber is pumped in the upstream portion for the black feed path being connect with ink gun towards first.Control device is in a manner of keeping the ejection timing of the first pump and the second pump consistent, with the pump of driving voltage drive waveform first and the second pump of same phase.
Description
Technical field
The present invention relates to a kind of ink-jet recording apparatus.
Background technology
Ink-jet recording apparatus includes the ink gun of ink being sprayed to recording mediums such as paper, and supply ink to ink gun
Ink supply device.As ink-jet recording apparatus, it is well known that the spray with ink supply device in ink circulation mechanism
Black recording device.
The ink supply device of the ink-jet recording apparatus has will be from the ink that external ink storage portion imports to ink gun
First pump of the diaphragm-type of conveying.Ink supply device has the discharge chamber of the blowing unit towards the first pump.From the ejection of the first pump
Portion conveys ink via discharge chamber to ink gun.Ink gun includes：It will imported into leading for spray nozzle part from the ink of the first pump conveying
Enter access；And the current return circuit for ink supply device being sent back in the unsprayed ink of spray nozzle part.Ink supply device also has
The second pump that the ink returned from current return circuit is sent back to the discharge chamber.
However, in above-mentioned existing ink-jet recording apparatus, pass through the sucking and spray of the work alternately ink of diaphragm
The first pump and the second pump gone out is communicated in common discharge chamber.Therefore, because the ejection for spraying timing and the second pump of the first pump
Timing is staggered, and there are the first pumps and the second pump mutually to weaken the case where mutual ejection is pressed.It in this case, can not be effectively
Utilize the pumping function of the first pump and the second pump.
Invention content
The purpose of the present invention is to provide a kind of sprays that can more efficiently utilize the pumping function of the first pump and the second pump
Black recording device.
The present invention provides a kind of ink-jet recording apparatus comprising：Ink gun sprays ink to recording medium；Diaphragm-type
First pump, the ink imported from black reservoir is conveyed to the ink gun；Second pump of diaphragm-type, sucks from the ink gun
Unsprayed ink is simultaneously sprayed to discharge chamber, and the discharge chamber is in the upstream portion face for the black feed path being connect with the ink gun
To the blowing unit of first pump；And control device, so that first pump is consistent with the ejection timing of the second pump
Mode, the first pump and described second described in the driving voltage drive waveform with same phase pump.
Ink-jet recording apparatus according to the present invention can more efficiently utilize the pumping function of the first pump and the second pump.
Description of the drawings
Fig. 1 is the front view for the ink-jet recording apparatus for briefly showing embodiment.
Fig. 2 is the vertical view for the ink-jet recording apparatus for briefly showing embodiment.
Fig. 3 is the stereogram of the ink jet unit of embodiment.
Fig. 4 is the exploded perspective view of the ink jet unit of embodiment.
Fig. 5 is the sectional view of ink jet unit 5-5 lines along Fig. 3 of embodiment.
Fig. 6 is the block diagram that the drive system of pump for the ink-jet recording apparatus for showing embodiment is constituted.
Fig. 7 A are the sectional views for the sucting for showing embodiment pump.
Fig. 7 B are the sectional views of the blowing unit for the pump for showing embodiment.
Fig. 8 A are the sectional views of the sucting for the pump for showing embodiment.
Fig. 8 B are the sectional views of the blowing unit for the pump for showing embodiment.
Fig. 9 is the figure of the first pump and the drive waveforms of the second pump that show embodiment.
Figure 10 is the total figure for spraying discharge relation for spraying phase difference and ink for showing the first pump and the second pump.
Specific implementation mode
The ink-jet recording apparatus of embodiment has ink gun, the first pump of diaphragm-type, the second pump of diaphragm-type and control
Device processed.Ink gun sprays ink to recording medium.First pump will be conveyed from the ink that black reservoir imports to ink gun.Second
Pumping enters from the unsprayed ink of ink gun, to the upstream portion in the ink feed path being connect with ink gun towards the first pump
The discharge chamber of blowing unit sprays.Control device is driven in a manner of keeping ejection timing consistent with the driving voltage waveform of same phase
Dynamic first pump and the second pump.
In the following, being illustrated to embodiment with reference to attached drawing.In addition, in the drawings, it is same attached to same part mark
Icon is remembered.
Fig. 1 is the front view of the ink-jet recording apparatus 1 of embodiment obtained from splitting a part for shell 2.Fig. 2 is
The vertical view of the ink-jet recording apparatus 1 of embodiment obtained from a part for shell 2 is splitted.
Ink-jet recording apparatus 1 is provided with transport platform 3, balladeur train 4, maintenance unit 5 in shell 2.Transport platform 3 is can slide
Mode be supported on the conveying guide rail 6 being arranged in shell 2.Conveying guide rail 6 linearly prolongs in generally horizontal directions
It stretches.By motor (not shown) along the direction moving operation transport platform 3 of conveying guide rail 6.In addition, being equipped in transport platform 3
Negative pressure generating device 7 for the recording medium S for adsorbing the sheets such as fixed paper in transport platform 3.In addition, recording medium S is not
It is only limitted to paper, thin slice, the wood plank etc. of resin or metal also may be used.
Balladeur train 4 is supported on the scanning guide rail 8 being arranged in shell 2 in a manner of it can slide.Scanning with guide rail 8 with
Linearly extend in the vertical general horizontal direction of conveying guide rail 6.The conveyer belt driven by using motor (not shown)
9, along the direction moving operation balladeur train 4 of scanning guide rail 8.
Equipped with the multiple ink jet units 10 arranged along the scanning direction of balladeur train 4 on balladeur train 4.Ink jet unit 10 includes：
The ink gun 11 of ink is sprayed to recording medium；And the ink supply device that is combined with ink gun 11 of upper side in ink gun 11
12.Ink jet unit 10 equipped with the type respective numbers with the ink sprayed to recording medium S on balladeur train 4.From each ink-jet
Transparent gloss also can be used in addition to the different colours such as cyan, magenta, yellow, black, white in the ink that unit 10 sprays
Ink, when being irradiated through infrared ray or ultraviolet light color development specialty inks etc..
(the ink storage of corresponding print cartridge 13 being arranged in shell 2 is connected on the ink supply device 12 of each ink jet unit 10
Deposit portion).By flexible connecting tube 14, the ink supply device 12 and corresponding print cartridge 13 of each ink jet unit 10 are connected.
The centralized configuration on balladeur train 4 of multiple ink jet units 10, and moved together along scanning guide rail 8 with balladeur train 4.From spray
When recording medium S of the black head 11 in transport platform 3 sprays ink, balladeur train 4 is in the range of the moving track with transport platform 3 intersects
It is mobile.When not spraying ink from ink gun 11, as shown in Figure 1 and Figure 2, balladeur train 4 stops at the moving track for leaving transport platform 3
Position of readiness.
When multiple ink jet units 10 return to position of readiness together with balladeur train 4, maintenance unit 5 covers the ink of each ink gun 11
Ejection section prevents ink from evaporating.In addition, when multiple ink jet units 10 return to position of readiness, maintenance unit 5 suitably cleans ink-jet
First 11 contact site being in contact with recording medium S.
The ink gun 11 of each ink jet unit 10 includes；Multiple spray nozzle parts (not shown) of ink are sprayed to recording medium S；With
And the actuator (not shown) with each spray nozzle part relative configuration.Actuator structure such as the piezoelectric vibrating plate by using piezoelectric ceramics
At.The construction of actuator is not limited only to the construction, as long as can improve ink pressure according to input signal, other constructions are also
It can.
In ink-jet recording apparatus 1 preferably, the printing for corresponding to input signal is carried out on recording medium S
In the case of, it is same making the transport platform 3 of balladeur train 4 and bearing recording medium S equipped with ink jet unit 10 suitably move linearly
When, spray ink from specific spray nozzle part corresponding with the input signal of ink gun 11.
In addition, in this embodiment, recording medium S is absorbed and fixed in transport platform 3, make the transport platform 3 to a side
To while movement, ink jet unit 10 is made to be moved to the direction vertical with the moving direction of transport platform 3, it is enterprising in recording medium S
Printing of the row corresponding to input signal.But the mode of movement of recording medium S and recording medium S are not limited in which.Example
Such as, the recording medium that the roll shape as roll paper can also be used, while extracting the recording medium out from roller, using ink gun to
Recording medium is printed.Alternatively, it is also possible to while using the recording medium of one piece of platen, one piece of conveying sheet, profit
It is printed to recording medium with ink gun.
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 10 edge of ink jet unit
The sectional view of 5-5 lines in Fig. 3.
Ink jet unit 10 is combined as a whole on the top of ink gun 11 and ink supply device 12 as described above.The embodiment party
The ink supply device 12 of formula has：The ink imported from external print cartridge 13 (black reservoir) is supplied to the supply of ink gun 11
Path；And it sends back to from the unsprayed ink of spray nozzle part of ink gun 11 and sends path back to.As shown in Figure 4, Figure 5, ink supply dress
Setting 12 has the shell 17 for being built-in with the first pump 15 and second pump 16.As shown in Figure 3, Figure 4, shell 17 includes：For to ink-jet
The black supply pipe 18 of first 11 spray nozzle part supply ink；And for by the unsprayed ink of the spray nozzle part of ink gun 11 from spray
The ink that black head 11 is sent back to sends pipe 19 back to.
First pump 15 is the ink for feeding the amount consumed in printing, service action etc. from print cartridge 13, to ink-jet
The supply pump of first 11 supply ink.As shown in figure 5, being formed with discharge chamber 20 in shell 17.Discharge chamber 20 is towards ink gun
The upstream portion of the feed path of 11 ink, towards first pump 15 blowing unit 15a and configure.
The supply side ink chamber 21 and recycling side ink chamber 22 for capableing of interim storage ink are formed in the inside of shell 17.For
It is configured to side ink chamber 21 adjacent with the downstream portion of discharge chamber 20 in shell 17.It is connected with black supply pipe in supply side ink chamber 21
18.The ink for being stored in supply side ink chamber 21 is supplied to ink gun 11.
It is connected to ink in recycling side ink chamber 22 and sends pipe 19 back to.Pipe 19 is sent back in 11 unsprayed ink of ink gun via ink to flow
Enter to recycle side ink chamber 22.Recycling side ink chamber 22 is configured at sending back in path in shell 17.It is adjacent in the downstream side for sending path back to
Configured with suction chamber 23.The sucting 16b configured with the second pump 16 towards suction chamber 23.
Second pump 16 is the reflux pump for the ink for flowing into suction chamber 23 from recycling side ink chamber 22 to be sent back to discharge chamber 20.
The blowing unit 16a of second pump 16 is configured to towards discharge chamber 20.Blowing unit 15a, 16a of first pump 15 and the second pump 16 is arranged side by side
At towards discharge chamber 20.The ink supply device 12 of the embodiment using the second pump 16 as driving source, make ink with ink gun
It is recycled between 11.
In addition, the top of the ink level in supply side ink chamber 21 and in recycling side ink chamber 22 is as air chamber.Each air
Indoor pressure is detected by pressure sensor (not shown).As shown in Figure 3, Figure 4, the top of shell 17 is provided with pressure tune
Whole 24.Pressure adjustment unit 24 adjusts the pressure of the ink supplied to ink gun 11 according to the testing result of pressure sensor
For appropriate pressure.
The shell 17 of ink supply device 12 is integrally formed as substantially rectangular parallelepiped.It is carried to balladeur train 4 in ink jet unit 10
When on (referring to Fig.1, Fig. 2), in shell 17, the size of the longitudinal direction D consistent with the conveying direction of transport platform 3 and height side
It compares to the size of H, the size of the width direction W consistent with the scanning direction of balladeur train 4 is short.As shown in Figure 4, Figure 5, shell 17
Including：Form the housing body 17A of supply side ink chamber 21 and recycling side ink chamber 22；And the width direction W with housing body 17A
A side combine pump unit shell 17B.Further include unit cover 17C, unit cover 17C is between pump unit shell 17B
It clips and is combined with pump unit shell 17B in the state of aftermentioned pump unit 25.
The arranged in parallel configuration on the longitudinal direction D in housing body 17A of supply side ink chamber 21 and recycling side ink chamber 22, respectively
Lower end is connected with black supply pipe 18 and ink sends pipe 19 back to.In the state that ink jet unit 10 is equipped on balladeur train 4, ink is from supply side
Ink chamber 21 is to black supply pipe 18 towards vertical flowing underneath.
Pump unit shell 17B is formed as facing the lower generally oblong shape along longitudinal direction D long.By along short transverse H
The first spaced walls 26 and the second spaced walls 27 extended, all pars intramuralis of pump unit shell 17B are partitioned into three regions.It is pressing from both sides
There are three communication ports 28 for middle section formation between the first spaced walls 26 and the second spaced walls 27 of pump unit shell 17B.
Three communication ports 28 are formed within the scope of the relatively lower side of short transverse H of pump unit shell 17B.
Before and after the width direction W of pump unit shell 17B, pump unit 25 is overlapped with the side of housing body 17A.Pump is single
It is formed with the discharge chamber 20 together with the middle section of first shell 17B and the side of pump unit 25 and housing body 17A.Pump unit
Each blowing unit 15a, 16a of the first pump 15 and the second pump 16 on 25 is towards discharge chamber 20.In addition, pump unit shell 17B's
Filter 29 is installed in three communication ports 28.Filter 29 will be divided into upstream chamber 30 and downstream chamber 31 inside discharge chamber 20, and
The mixed bubble in the ink of communication port 28 is captured in 30 side of upstream chamber.Downstream chamber 31 is via opening 21a and housing body
The supply side ink chamber 21 of 17A is connected to.
Suction chamber 32 is constituted by the side region that the first spaced walls 26 of pump unit shell 17B separate, in pump unit 25
First pump 15 sucting 15b towards the suction chamber 32.It is formed with the ink being connected to suction chamber 32 in pump unit shell 17B
Introduction part 33.Black introduction part 33 is connected with the another of the connecting tube 14 (referring to Fig.1, Fig. 2) that one end and corresponding print cartridge 13 connect
End.Ink passes through black introduction part 33 to imported into suction chamber 32 from print cartridge 13.
Suction chamber 23, pump unit are constituted by the second spaced walls 27 of pump unit shell 17B another side region spaced apart
The sucting 16b of the second pump 16 on 25 is towards suction chamber 23.Suction chamber 23 and the recycling side ink chamber 22 of the sides housing body 17A connect
It is logical.
In this embodiment, the first pump 15 and the second pump 16 constitute the black delivery pump that ink is conveyed to ink gun 11.
First pump 15 and the second pump 16 are made of the pump of diaphragm-type.First pump 15 and second pump 16 as pump units 25 be adjacent in
The component of one.
As shown in figure 4, pump unit 25 includes：The base plate 34 gripped by housing body 17A and unit cover 17C；With
And a pair of of piezoelectric diaphragm 35 on the surface mounted on the sides unit cover 17C of base plate 34.In the depth close to base plate 34
At the sides D of direction, it is formed with W in the width direction and runs through base plate 34, the first pump 15 inlet hole 36 and squit hole 37.By
At the other sides longitudinal direction D of nearly base plate 34, it is formed with W in the width direction and runs through base plate 34, the second pump 16 sucking
Hole 38 and squit hole 39.On base plate 34 across in the region of inlet hole 36 and squit hole 37, to cover the week in the field
The mode enclosed is equipped with a piezoelectric diaphragm 35.Similarly, the area across inlet hole 38 and squit hole 39 on base plate 34
In domain, another piezoelectric diaphragm 35 is installed in a manner of covering around the field.
As shown in figure 5, a piezoelectric diaphragm 35 is formed with the pump chamber 40 of the first pump 15 between base plate 34.In addition,
As shown in figure 5, another piezoelectric diaphragm 35 is formed with the pump chamber 41 of the second pump 16 between base plate 34.As shown in figure 4, pressure
Electric oscillation film 35 is mainly bonded piezoelectric element 35a and metallic plate 35b and constitutes.It is pressed in addition, the reference numeral 42 in Fig. 4 is covering
The screening glass at the positive back side of electric oscillation film 35.In addition, the reference numeral 43 in Fig. 4 is for supporting piezoelectric diaphragm 35 and protection
The peripheral portion of piece 42 and the support ring for being fixed on base plate 34.
In the sucting 15b of the first pump 15, in the installation of the forming portion of connection suction chamber 32 and the inlet hole 36 of pump chamber 40
There is the sheet spool 44i for switching the inlet hole 36.Spool 44i is configured at the inside of pump chamber 40, from the inside of pump chamber 40 relative to
The valve seat 45i of the circumferential edges of inlet hole 36 is abutted or separation.In the blowing unit 15a of the first pump 15, in connection 40 He of pump chamber
The forming portion of the squit hole 37 of discharge chamber 20 (upstream chamber 30) is equipped with the sheet spool 44o for switching the squit hole 37.Spool 44o
It is configured at 20 side of discharge chamber (outside of pump chamber 40), the valve seat from 20 side of discharge chamber relative to the circumferential edges of squit hole 37
45o is abutted or separation.
In the sucting 16b of the second pump 16, in the installation of the forming portion of connection suction chamber 23 and the inlet hole 38 of pump chamber 41
There is the sheet spool 44i for switching the inlet hole 38.Spool 44i is configured at the inside of pump chamber 41, from the inside of pump chamber 41 relative to
The valve seat 45i of the circumferential edges of inlet hole 36 is abutted or separation.In the blowing unit 16a of the second pump 16, in connection 41 He of pump chamber
The forming portion of the squit hole 39 of discharge chamber 20 (upstream chamber 30) is equipped with the sheet spool 44o for switching the squit hole 39.Spool 44o
It is configured at 20 side of discharge chamber (outside of pump chamber 41), the valve seat from 20 side of discharge chamber relative to the circumferential edges of squit hole 39
45o is abutted or separation.
Fig. 6 is the block diagram of the composition for the drive system system for showing the first pump 15 and second pump 16.
As shown in fig. 6, each piezoelectric diaphragm 35 of the first pump 15 and the second pump 16 is by corresponding driving circuit 46,47
Driving voltage and drive.Each driving circuit 46,47 is by the driving voltage of the control signal based on control device 49 to corresponding
Piezoelectric diaphragm 35 exports.By periodically applying come the driving voltage of the pulse type of driving circuit 46,47, each piezoelectric vibration
The middle section of film 35 is changed according to the variation of driving voltage.Thus first pump 15 and the second pump 16 increased or decrease pump chamber
40,41 volume, suction side and spool 44i, the 44o for spraying side alternately switch work.
Fig. 7 A be show when first pump 15 and second pump 16 pump chamber 40,41 volume increase when, sucting 15b, 16b's
The sectional view of the action of spool 44i.Fig. 7 B be show when first pump 15 and second pump 16 pump chamber 40,41 volume increase when,
The sectional view of the action of the spool 44o of blowing unit 15a, 16a.In addition, Fig. 8 A are the pumps shown when the first pump 15 and the second pump 16
When the volume of room 40,41 reduces, the sectional view of the action of the spool 44i of sucting 15b, 16b.Fig. 8 B are shown when the first pump 15
When reducing with the volume of the pump chamber 40,41 of the second pump 16, the sectional view of the action of the spool 44o of blowing unit 15a, 16a.
As shown in Fig. 7 A, 7B, in the first pump 15 and the second pump 16, if piezoelectric diaphragm 35 receives driving voltage and makes pump
Volume in room 40,41 increases, then the spool 44i of sucting 15b, 16b opens inlet hole 36,38, the valve of blowing unit 15a, 16a
Core 44o closes squit hole 37,39.Ink is drawn into pump chamber 40,41 from induction chamber 32,23 as a result,.In addition, such as Fig. 8 A, 8B institute
Show, in the first pump 15 and the second pump 16, if piezoelectric diaphragm 35 makes the volume in pump chamber 40,41 reduce, sucting 15b,
The spool 44i of 16b closes inlet hole 36,38, and the spool 44o of blowing unit 15a, 16a opens squit hole 37,39.Pump chamber as a result,
40, the ink in 41 is ejected into discharge chamber 20 (upstream chamber 30) across squit hole 37,39.First pump 15 and second pump 16 repeat with
Thus ink in suction chamber 32,23 is continuously fed to discharge chamber 20 by upper action.
In ink supply device 12 preferably, if ink is ejected into discharge chamber 20 from the first pump 15 and the second pump 16
Upstream chamber 30, then the ink be flowed into downstream chamber 31 across filter 29.At this point, filter 29 captures the gas being mixed into ink
Bubble inhibits bubble to flow into downstream chamber 31.The ink for removing bubble in this way and flowing into downstream chamber 31 is interim in supply side ink chamber 21
After storage, black supply pipe 18 is passed through to be supplied to the spray nozzle part of ink gun 11.In addition, in the unsprayed oil of spray nozzle part of ink gun 11
Ink passes through the black recycling side ink chamber 22 sent pipe 19 back to and be flowed into ink supply device 12.It is flowed into the ink stream of recycling side ink chamber 22
Enter suction chamber 23.The ink flowed into suction chamber 23 is ejected into upstream chamber 30 again by the second pump 16.
As shown in figure 5, ink streams of the blowing unit 15a of the first pump 15 out of discharge chamber 20 to the central portion C of discharge chamber 20
The oil stream of central portion Cs of the blowing unit 16a of the dynamic pumps of Lu Yucong second 16 to discharge chamber 20 moves road and is formed as symmetric shape.That is, two
A ink flowing road is located at the central portion C for clipping discharge chamber 20 and symmetrical position, length and the cross sectional shape for being set to flow path are big
It causes identical.
In addition, in the case where the first pump 15 and the second pump 16 work together, control device 49 is so that the first pump 15 and the
Two pumps 16 spray timing mode consistent always, control the work of each Piezoelectric Driving film 35.That is, control device 49 control at,
Make each driving circuit 46,47 of the first pump 15 and second pump 16 relative to corresponding piezoelectric diaphragm 35, exports same phase
Driving voltage waveform.
Fig. 9 is to show the driving voltage waveform that the driving circuit 46 from the first pump 15 exports and the driving electricity from the second pump
The figure for the driving voltage waveform that road 47 exports.V1 is from the driving circuit 46 of the first pump 15 to the pressure of piezoelectric diaphragm 35 in Fig. 9
The pulse voltage of electric device 35a output, V2 is from the driving circuit 46 of the first pump 15 to the metallic plate of piezoelectric diaphragm 35 in Fig. 9
The pulse voltage of 35b outputs.In addition, V in Fig. 9,1 is from the driving circuit 47 of the second pump 16 to the piezoelectricity of piezoelectric diaphragm 35 member
The pulse voltage of part 35a output, V in Fig. 9,2 be from the driving circuit 47 of the second pump 16 to the metallic plate 35b of piezoelectric diaphragm 35
The pulse voltage of output.
The A-B on the top in Fig. 9 is shown the piezoelectric element 35a and metallic plate from driving circuit 46 to piezoelectric diaphragm 35
The driving voltage waveform of the driving voltage synthesis of 35b outputs.In addition, the A-B of the lower part in Fig. 9 show by from driving circuit 47 to
The driving voltage waveform of the piezoelectric element 35a of piezoelectric diaphragm 35 and the driving voltage synthesis of metallic plate 35b outputs.Control device
49 in a manner of keeping the driving voltage waveform on these tops consistent with the driving voltage waveform of lower part, controls driving circuit 46,47.
In black recording device 1 preferably, control device 49 is with the driving voltage drive waveform of same phase
One pump 15 and the second pump 16.Therefore, the ejection timing of the first pump 15 sprayed periodically with the second pump 16 is consistent, will not occur first
The case where pump 15 and the second pump 16 slacken mutually mutual ejection pressure.
Figure 10 is to show that the first pump 15 and second pumps 16 ejection phase when the first pump 15 and the second pump 16 work together
The chart of difference and total relationship for spraying flow of ink.
As shown in Figure 10, total ejection flow of ink is several when the ejection phase of the first pump 15 and the second pump 16 differs 180 °
Become minimum, is almost become maximum when the first pump 15 is consistent with the ejection phase of the second pump 16.Ink preferably
In recording device 1, since the first pump 15 is consistent with the ejection phase of the second pump 16, the first 15 Hes of pump can be more efficiently utilized
The pumping function of second pump 16.
In addition, in black recording device 1 preferably, from the blowing unit 15a to discharge chamber 20 of the first pump 15
The ink flowing road of the blowing unit 16a of ink flowing Lu Yucong second pumps 16 of centre portion C to the central portion C of discharge chamber 20 are formed as symmetrical
Shape.Therefore, the oil of the pressure from the blowing unit 15a of the first pump 15 ink sprayed and the blowing unit 16a ejections from the second pump
The pressure of ink is synthesized near the central portion C of discharge chamber 20 with same phase.It therefore, can be more in the ink recording device 1
Effectively utilize the pumping function of the first pump 15 and second pump 16.
Although particular implementation is illustrated, these embodiments are only used as example to present, and are not intended to limit
The scope of the present invention processed.In fact, novel embodiment described herein can be embodied in the form of various other, in addition,
Under conditions of the essentiality content for not departing from the present invention, various provinces can be made in the form of embodiment described herein
Slightly, it replaces and changes.Claims and its equivalent are all fallen in the scope of the present invention and design.
Claims (10)
1. a kind of ink-jet recording apparatus, including：
Ink gun sprays ink to recording medium；
First pump of diaphragm-type, the ink imported from black reservoir is conveyed to the ink gun；
Diaphragm-type second pump, sucking from the unsprayed ink of the ink gun and to discharge chamber spray, the discharge chamber with
Blowing unit of the upstream portion of the black feed path of the ink gun connection towards first pump；And
Control device, in a manner of keeping first pump consistent with the ejection timing of the second pump, with the driving of same phase
Voltage waveform driving first pump and described second pumps.
2. ink-jet recording apparatus according to claim 1, wherein
The second blowing unit pumped described in Lu Yucong is flowed from the black of central portion of blowing unit to the discharge chamber of first pump
Be formed as symmetric shape to the ink flowing road of the central portion of the discharge chamber.
3. ink-jet recording apparatus according to claim 1, wherein
The ink-jet recording apparatus further includes shell, which is built-in with first pump and described second and pumps.
4. ink-jet recording apparatus according to claim 3, wherein
The shell includes：
Black supply pipe, for supplying ink to the ink gun；And
Ink sends pipe back to, for will be sent back to from the ink gun in the unsprayed ink of the ink gun.
5. ink-jet recording apparatus according to claim 4, wherein
The supply side ink chamber and recycling side ink chamber for capableing of interim storage ink are formed in the inside of the shell.
6. ink-jet recording apparatus according to claim 5, wherein
It is formed with the discharge chamber in the inside of the shell.
7. ink-jet recording apparatus according to claim 6, wherein
The supply side ink chamber is configured to adjacent with the downstream portion of the discharge chamber.
8. ink-jet recording apparatus according to claim 7, wherein
It is connected with the black supply pipe in the supply side ink chamber.
9. ink-jet recording apparatus according to claim 8, wherein
The ink of the supply side ink chamber is stored in ink gun supply.
10. ink-jet recording apparatus according to claim 9, wherein
In the recycling side, ink chamber is connected with the ink and sends pipe back to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510634774.4A CN106553449B (en) | 2015-09-29 | 2015-09-29 | Ink-jet recording apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510634774.4A CN106553449B (en) | 2015-09-29 | 2015-09-29 | Ink-jet recording apparatus |
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| CN106553449A CN106553449A (en) | 2017-04-05 |
| CN106553449B true CN106553449B (en) | 2018-11-02 |
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| CN201510634774.4A Expired - Fee Related CN106553449B (en) | 2015-09-29 | 2015-09-29 | Ink-jet recording apparatus |
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| JP2015107569A (en) * | 2013-12-04 | 2015-06-11 | 東芝テック株式会社 | Inkjet recording device |
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| JP5515523B2 (en) * | 2009-08-31 | 2014-06-11 | セイコーエプソン株式会社 | Liquid ejector |
| JP5417242B2 (en) * | 2010-04-01 | 2014-02-12 | 理想科学工業株式会社 | Inkjet printer |
| CN202573292U (en) * | 2012-04-23 | 2012-12-05 | 朗捷尔(常州)喷绘科技有限公司 | Inkjet printer ink line self-circulation system |
| JP2014184677A (en) * | 2013-03-25 | 2014-10-02 | Dainippon Screen Mfg Co Ltd | Fluid supply device and fluid supply method |
| FR3003798B1 (en) * | 2013-03-29 | 2015-10-30 | Markem Imaje | LOW COST INK CIRCUIT |
-
2015
- 2015-09-29 CN CN201510634774.4A patent/CN106553449B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001323879A (en) * | 2000-05-16 | 2001-11-22 | Matsushita Electric Ind Co Ltd | Piezoelectric pump |
| JP2015107569A (en) * | 2013-12-04 | 2015-06-11 | 東芝テック株式会社 | Inkjet recording device |
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| CN106553449A (en) | 2017-04-05 |
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