CN1567102A - Toner storing device and toner replenishing method and device - Google Patents
Toner storing device and toner replenishing method and device Download PDFInfo
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- CN1567102A CN1567102A CNA2004100565709A CN200410056570A CN1567102A CN 1567102 A CN1567102 A CN 1567102A CN A2004100565709 A CNA2004100565709 A CN A2004100565709A CN 200410056570 A CN200410056570 A CN 200410056570A CN 1567102 A CN1567102 A CN 1567102A
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- container body
- ink powder
- air
- described container
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0865—Arrangements for supplying new developer
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
- G03G15/0889—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for agitation or stirring
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- General Physics & Mathematics (AREA)
- Ink Jet (AREA)
- Dry Development In Electrophotography (AREA)
- Color Electrophotography (AREA)
Abstract
The invention discloses a container for storing graphite powder. The container comprises: a vessel provided with an opening for discharging the graphite powder in the vessel and an opening arranged on the vessel body; a filter opposite to the opening to discharge the air in the vessel; an interface component arranged on the opening of the vessel. The interface component consists of an interrupter valve. A fixed nozzle arranged on the setting component of an imaging device goes through the interrupter valve into the vessel when the vessel is installed on the setting component; the opening is closed by the interrupter valve when the vessel is not installed on the setting component. Moreover, the invention also discloses a method for supplying graphite powder and a device for supplying the graphite powder stored in the container to the imaging device.
Description
The application's denomination of invention that to be Ricoh Co., Ltd submit to Patent Office of the People's Republic of China February 16 calendar year 2001 is dividing an application of 01104563.9 application for a patent for invention for " powdered ink feed apparatus and image processing system ", application number.
Technical field
The present invention relates to ink powder holding container, supply ink powder method, will be accommodated in the powdered ink feed apparatus of the powdered ink feed developing apparatus in the ink powder holding container.
Background technology
In the past, in image processing systems such as printer, duplicating machine, facsimile recorder, near ink powder holding containers such as configuration developer bottle or cartridge in being provided with the assembly of developing apparatus or it directly or by the ink powder hopper carry out supply from this ink powder holding container in developing apparatus.This occasion, the conveyer-screw structure of transferring machineries such as using spiral or stirrer to the ink powder of developing apparatus from ink powder holding portion carries out.
But, transfer the ink powder occasion by above-mentioned conveyer-screw structure, spiral can only be configured to roughly linearity, and ink powder holding portion or powdered ink feed apparatus are had to be arranged to the developing apparatus one or are arranged on very position near developing apparatus.Therefore, the complex structure of powdered ink feed apparatus, the cost height, productivity is poor, hinders flight-line maintenance, and it is also very hard to keep the toner mass characteristic, and user self changes the ink powder holding container operation and also becomes very difficult.
The powdered ink feed apparatus that is difficult for generation the problems referred to above is disclosed in the spy and opens in the flat 4-9082 communique, and the attractive force by suction device in this powdered ink feed apparatus is transported ink powder.This device have no matter ink powder holding container and developing apparatus be in what kind of position concern also can the supply ink powder advantage.
, well-known, usually, the mobile non-constant of the ink powder that uses in the image processing system of electrofax mode is transferred very difficult.Therefore, in above-mentioned powdered ink feed apparatus, in above-mentioned suction tube front end or way, ink powder easily takes place stop up, the problem that existence can not smooth and easy supply ink powder.
Summary of the invention
The present invention puts forward in view of the existing problem of above-mentioned prior art, the objective of the invention is to, though provide can reduce significantly the amount of toner that remains in ink powder holding container be provided with some developing apparatuss also can be low-cost and save the ink powder holding container in space, method, powdered ink feed apparatus and the image processing system of supply ink powder.
To achieve these goals, the present invention proposes a kind of ink powder holding container, comprising: container body, this container body have can make ink powder mouth that discharges and the peristome that is positioned on this container body that is contained in the container body; Filtrator corresponding to the position of described peristome, can make the air in the described container body go out; Interface unit, be installed on the described mouth of described container body, described interface unit comprises open and close valve, the fixed nozzle that is provided with in the portion of image processing system is installed to described when being provided with in the portion in described container body, can pass described open and close valve and put in described container body, described open and close valve is not installed in described container body describedly can close described mouthful when being provided with in the portion.
To achieve these goals, the present invention proposes a kind of ink powder holding container, comprise: the container body device, be used to deposit ink powder, this container body device comprise can make the ink powder that is contained in the container body device be discharged to developing apparatus first device and can the amount discharge container body device in second device of air, the position of described first, second device is relative; Valve gear, link with described first device, the fixed nozzle that is provided with in the portion of image processing system is installed to described when being provided with in the portion at described container body device, can pass described valve gear and put in described container body device, make the ink powder in the described container body device can be discharged to developing apparatus, described valve gear is not installed to described described first device that can seal when being provided with in the portion at described container body device, prevents that ink powder is discharged from from described container body device.
To achieve these goals, the present invention proposes a kind of method of supply ink powder, comprising:, ink powder is discharged to developing apparatus from the mouth suction ink powder of container body through this container body; Not from a period of time of container body suction ink powder, air is pumped into described container body through described mouth; The excess air that pumps into described container body is discharged to the outside of described container body through peristome, makes the air capacity maximum that pumps into described container body.
To achieve these goals, the present invention proposes a kind of powdered ink feed apparatus, comprising: ink powder transports passage, extends to developing apparatus from ink powder holding container; The ink powder conveyer can transport passage along described ink powder ink powder is transported to described developing apparatus from described ink powder holding container; Air feeder, to described ink powder holding container air supply, wherein, described ink powder holding container comprises: container body, this container body have can make the ink powder that is contained in the container body be discharged to described developing apparatus mouth and with described mouthful position opening opposing portion; Filtrator links with described peristome, and the air in the described container body is gone out; Interface unit, be installed on the described mouth of described container body, described interface unit comprises open and close valve, the fixed nozzle that is provided with in the portion of image processing system is installed to described when being provided with in the portion in described container body, can pass described open and close valve and put in described container body, described open and close valve is not installed in described container body describedly can close and seal described mouthful when being provided with in the portion.
To achieve these goals, the present invention proposes a kind of powdered ink feed apparatus, the ink powder that is accommodated in the ink powder holding container is carried out supply to developing apparatus; It is characterized in that to the lower side air supply of above-mentioned ink powder holding container by the vertical direction of this ink powder holding container, the air of being supplied with stirs ink powder by moving toward the top in the layer of toner, makes its liquidation from the outside.
According to powdered ink feed apparatus of the present invention, its feature also is, in the upper side of ink powder holding container exhaust portion is set, and the air of supplying with ink powder holding container nearly all is discharged to the atmosphere from above-mentioned exhaust portion.
According to powdered ink feed apparatus of the present invention, its feature also is, exhaust portion be can by air, can not be by the aeration filtrator of ink powder.
According to powdered ink feed apparatus of the present invention, its feature also is, the ink powder of ink powder holding container from the ink powder discharge portion row of the lower side of the vertical direction of being located at this ink powder holding container outside container.
To achieve these goals, the present invention proposes another kind of powdered ink feed apparatus, and the ink powder that is accommodated in the ink powder holding container is carried out supply to developing apparatus; It is characterized in that, be provided with several above-mentioned ink powder holding containers, be provided with air feeder, it is to the lower side air supply of each ink powder holding container from vertical direction, this air feeder comprise the air supply source that number is lacked than above-mentioned ink powder holding container and be used for control from above-mentioned air supply source to the air fed air apparatus for controlling of supply of each ink powder holding container.
According to powdered ink feed apparatus of the present invention, its feature also is, be provided with the air feed path that is communicated with each ink powder holding container from the air supply source and be located at open and close valve on the above-mentioned air feed path, the air apparatus for controlling of supply is controlled above-mentioned air supply source action and control opens and closes above-mentioned open and close valve.
According to powdered ink feed apparatus of the present invention, its feature is that also the air apparatus for controlling of supply is controlled above-mentioned open and close valve and opened and closed when above-mentioned air supply source moves, so that one by one air is supplied with above-mentioned ink powder holding container.
According to powdered ink feed apparatus of the present invention, its feature also is, be provided with the air feed path that is arranged on from the air supply source to the air storage device that is used for stored air the ink powder holding container that is supplied to air, is communicated with each ink powder holding container from above-mentioned air storage device and be located at open and close valve on the above-mentioned air feed path, above-mentioned air apparatus for controlling of supply is controlled above-mentioned air supply source action and control opens and closes above-mentioned open and close valve.
According to powdered ink feed apparatus of the present invention, its feature also is, when the air apparatus for controlling of supply has been stored into the air storage device at air, controls above-mentioned open and close valve and opens and closes, so that one by one air is supplied with above-mentioned ink powder holding container.
To achieve these goals, the present invention proposes a kind of image processing system, it is characterized in that, is provided with any powdered ink feed apparatus of the invention described above.
To achieve these goals, the present invention proposes another kind of image processing system, is provided with the ink powder that will be accommodated in the ink powder holding container carries out powdered ink feed apparatus from supply to developing apparatus; It is characterized in that, above-mentioned powdered ink feed apparatus comprises and attracts ink powder in the above-mentioned ink powder holding container to give powder pump to the feeding force of above-mentioned developing apparatus, transfers the passage at the ink powder from above-mentioned ink powder holding container to above-mentioned developing apparatus and is provided with the portion of being got that is used to receive the circulation ink powder that is reclaimed.
According to image processing system of the present invention, its feature is that also ink powder is transferred passage and formed by flexible tubular part, and the portion of being got that receives the circulation ink powder that is reclaimed is arranged near the cleaning device.
The following describes effect of the present invention.
According to powdered ink feed apparatus of the present invention and image processing system, the ink powder that is accommodated in the ink powder holding container by pneumatic blending makes its liquidation, supply ink powder swimmingly, and residual toner is few in the ink powder holding container.
According to powdered ink feed apparatus of the present invention and image processing system, can prevent that the ink powder holding container inner air pressure from rising.
According to powdered ink feed apparatus of the present invention and image processing system, can prevent that ink powder from dispersing from exhaust portion.
According to powdered ink feed apparatus of the present invention and image processing system, can ink powder be discharged from ink powder holding container.
According to powdered ink feed apparatus of the present invention and image processing system, the air supply source that lacks than some ink powder holding containers by quantity can reduce cost to above-mentioned ink powder holding container air supply, saves the space.
According to powdered ink feed apparatus of the present invention and image processing system, can stress application to reclaiming ink powder, can prevent image with light of firefly shape defective.
Description of drawings
Fig. 1 is the skeleton diagram of color laser printer that image processing system one example of the powdered ink feed apparatus that the present invention relates to is housed;
Fig. 2 is the pie graph of the powdered ink feed apparatus that the present invention relates to;
Fig. 3 A and Fig. 3 B are the front and the planimetric maps of ink powder holding container;
Fig. 4 is the diagrammatic illustration figure of first embodiment of the invention;
Fig. 5 is the diagrammatic illustration figure of second embodiment of the invention;
Fig. 6 is the time diagram of the control example of expression first embodiment of the invention;
Fig. 7 is the time diagram of the control example of expression second embodiment of the invention;
Fig. 8 is the diagrammatic illustration figure of modified example of the present invention;
Fig. 9 is that the air of the color printer of Fig. 1 is supplied with control flow chart;
Figure 10 is a partial detailed process flow diagram in Fig. 9 process flow diagram;
Figure 11 is that another kind of air is supplied with control flow chart;
Figure 12 is the diagrammatic illustration figure of the ink powder supply unit of third embodiment of the invention;
Figure 13 is the diagrammatic illustration figure that represents in the past to reclaim the ink powder example.
Embodiment
With reference to the accompanying drawings, describe the embodiment of the invention in detail.
Fig. 1 is the skeleton diagram of color laser printer that image processing system one example of the powdered ink feed apparatus that the present invention relates to is housed.This color laser printer is at the bottom of device body 1 configuration sheet feed section 2, is configured to picture portion 3 formations above it.At imaging portion 3 tilted configuration belt transfer devices, make the paper supply side following, paper discharging side is last.Above-mentioned belt transfer device comprises transfer belt 20 for no reason, this for no reason 20 framves of transfer belt on some belt wheels 22, be provided with four belt wheels 22 in the present embodiment.Move limit 21 along the top of transfer belt 20, from disposing four image-forming assembly 4M, 4C, 4Y, the 4BK of magenta (M), blue or green (C), yellow (Y), black (BK) usefulness down in proper order side by side.
In Fig. 1 and Fig. 2, each image-forming assembly 4M, 4C, 4Y, 4BK are provided with as the photoconductor drum 5 as the mounting body, and this photoconductor drum 5 is not had illustrated drive unit to drive towards revolution clockwise.Around photoconductor drum 5, be provided with charged roller 6 as charged mechanism, by optical writing device 8 by laser carry out light write section that light writes, as the developing apparatus 10 of developing mechanism, as the cleaning device 9 of cleaning mechanism.The double-component developing device that developing apparatus 10 is made up of ink powder and carrier, according to the amount of toner that is consumed by powdered ink feed apparatus supply ink powder described later.
Below, illustrate that with image-forming assembly 4M color printer shown in Figure 1 carries out the imaging action of colour print by magenta.
Driving does not have illustrated laser diode to make on the laser radiation polygonal mirror 80, optical writing device 8 by cylindrical lens etc. with guides reflected light by on the charged photoconductor drum 5 of charged roller 6, carry out the light image that the articles for use red ink powder develops and write.Be written in the electrostatic latent image that forms on the photoconductor drum 5 according to the view data of sending here by main frames such as computing machines by above-mentioned light, but become the video of magenta ink powder by developing apparatus 10 these sub-images.
On the other hand, supply with appointment paper as the transfer printing material from sheet feed section 2, supplied with paper temporarily in registration roller 23 standbies of the carriage direction upstream side of being located at transfer belt 20.Then, but use paper and above-mentioned video to be sent to synchronously on the transfer belt 20, move the transfer position of coming by this transfer belt with photoconductor drum 5 subtends.In the effect of the transfer roll 24 of the rear side of this transfer position by being configured in transfer belt 20, but with the video transfer printing of magenta ink powder on paper.
Identical with above-mentioned imaging action, but also form video on the surface of photoconductor drum 5 by each ink powder respectively at other image-forming assembly 4C, 4Y, 4BK.Whenever transfer belt 20 transport come come each transfer position with paper the time, but these video order stack are imprinted on on the paper.Therefore, this color printer with full-color image with the roughly short equally superimposed transfer printing of time of black white image on paper.Separating with commentaries on classics paper tape 20 after the transfer printing, carry out photographic fixing by fixing device 30 with paper.Photographic fixing intact with paper usually the row of maintaining the original state outside machine, or the paper upset is arranged on row's paper disc 40 above being located at device body 1, the back side is mounting up.For printer, back side mounting up is in order to make printout by page number in-line arrangement row, to belong to a kind of necessary function usually.
Below, explanation will be accommodated in powdered ink feed each image-forming assembly 4M, the 4C among ink powder holding container 100M, 100C, 100Y, the 100BK, the powdered ink feed apparatus of 4Y, 4BK with reference to Fig. 2.In fact the powdered ink feed apparatus of supply each image-forming assembly 4M, 4C, 4Y, 4BK constitutes with same structure.
In above-mentioned developing apparatus 10 sides, be provided with the helicoidal pump of single shaft off-centre in its vicinity or integratedly, shown in the figure powder pump 110 of induction type.This powder pump 110 comprises that the material that has a rigidity with metal etc. becomes eccentric spiral helicine rotor 142, makes of elastic bodys such as rubber and form two spiral-shaped stators 143 and encase above-mentioned rotor stator and the support of being made by resin material etc. 144 of formation powder conveyance passage.Drive above-mentioned rotor 142 revolutions by gear 146 and driving shaft 145, gear 146 links into an integrated entity with driving shaft 145, and above-mentioned rotor 142 and driving shaft 145 are connected by pin connector.Symbol 147 is electromagnetic clutchs, by these Clutch Control powder pump 110 runnings.
The front end of above-mentioned support 144, the right-hand member that promptly illustrates support 144 are provided with ink powder suction portion 148, and this ink powder suction portion 148 is connected with connector 165 with ink powder on being located at aftermentioned nozzle 160 by ink powder transfer tube 149.This ink powder transfer tube 149 can be the flexible tubing of diameter 4-10mm for example, if use the good elastomeric material of anti-ink powder, for example making such as polycarbamate, nitrile, EPDM, silicon are then very effective, and flexible tubing is easy to descend left and right sides any direction to be configured up.In the China ink material device for supplying that constitutes like this, can transfer with high solid-gas ratio continuous and quantitative as the helicoidal pump of the single shaft off-centre of powder pump 110, can obtain the correct ink powder feeding amount that is directly proportional with the winding number of rotor 142.So, by detected image concentration etc. if send the powdered ink feed instruction, then powder pump 110 actions, the ink powder of institute's required amount replenishes to developing apparatus 10.
On the other hand, the portion that is provided with that is located at image forming device body 1 200 conducts of mounting ink powder holding container 100 constitute with another assembly that developing apparatus 10 separates.Be arranged on the portion that is provided with 200 of image forming device body 1 from the top with above-mentioned ink powder holding container 100, is establishing for circular nozzle 160 inserts ink powder bag 102 neutrality in the cross section.The nozzle 160 of being located at the portion of setting 200 is the single tube structure, and to form the cross section on top be the tip member 161 of taper by integrally formed or fixed etc., is right after this tip member 161 and is provided with the passage 163 that is also used as gas feed path and powdered ink feed passage.Become the single tube structure in nozzle 160 inside, passage 163 toward the bending of figure left, is provided with the ink powder connector 165 that is connected with above-mentioned ink powder transfer tube 149 in nozzle 160 lower ends at its front end.In addition, passage 163 with the right-hand bending of past figure above the connector 165, is provided with air connector 164 at ink powder.
The present embodiment occasion, air connector 164 is connected with air pump 151 as the air supply source of air feeder by displace air pipe 152.If these air pump 151 actions, air is ejected in the ink powder holding container 100 from lower side by displace air pipe 152, air connector 164 and passage 163 from this pump.The air that is ejected in the ink powder holding container 100 passes through layer of toner, while stir ink powder it is flowed.
Ink powder holding container 100 is so-called inner bag type accommodating container, and it comprises as the outer container 101 of protection housing and releasably be accommodated in ink powder bag 102 in this outer container 101 that this ink powder bag 102 is flexible deformable pocket.Above-mentioned outer container 101 usefulness have material such as the paper, cardboard, resin of rigidity, form the inner space of taking in ink powder bag 102 degree almost very close to each otherly.The ink powder bag 102 of taking in ink powder by being accommodated in the outer container 101, not only shield, and handling is good for flexible, also arrangement easily during keeping.
The bag part of ink powder bag 102 is used flexible sheet materials such as the mylar, polyethylene film of 80-125 μ m left and right thickness for example, is made into the bag-like container shape with individual layer or several layers.And ink powder bag 102 is fixed with the interface unit of making of resins such as tygon or nylon 103 in its underpart central authorities, and this interface unit is provided with ink powder exhaust opening 104.Be provided with the individual layer with self-closing valve effect or the seal 105 of several layers in the ink powder exhaust opening 104 of interface unit 103, sealing part 105 constitutes with the elastic body that the foam sponge of non-aeration etc. forms.In addition, be difficult for residual toner, form the taper shape towards ink powder exhaust opening 104 in order to make ink powder bag 102.Therefore, when the ink powder holding container 100 of Gou Chenging was set to the portion 200 of setting like this, nozzle 160 inserted promptly from the vertical direction lower side.
When the image processing system of said structure attracted ink powders by powder pump 3, if little towards the bevel angle of ink powder holding container 100 bottoms, ink powder was difficult to fall near the nozzle 160 by gravity, becomes residual toner.A large amount of air supplies fully stir ink powder in ink powder holding container 100, make its liquidation, easily attract ink powder, can reduce the residual toner in the said vesse significantly., the air capacity that can supply with ink powder holding container 100 is subjected to its capacity limitation, thereby probably can not fully stir ink powder because of lack of air.
This occasion shown in Fig. 3 A, 3B, in order to reduce the internal pressure of ink powder holding container 100, is provided with peristome 106 as exhaust portion, with can be by air, can not pass through aeration filtrator 107 these peristomes 106 of covering of ink powder.This aeration filtrator 107 be located at the seal 105 that inserts nozzle 160 opposition side above so that make the air that is used for fully stirring ink powder to discharge.
If constitute like this, supply with the portion of air of ink powder holding container 100 and can pass through aeration filtrator 107 rows outside container, therefore, can be roughly unrestrictedly to ink powder holding container 100 air supplies.Like this, a large amount of air of supplying with can fully stir the ink powder in the ink powder holding container, and powder pump 110 attracts ink powder more swimmingly, can reduce residual toner amount in the container significantly.
As mentioned above, if aeration filtrator 107 is set on ink powder holding container 100, can be to ink powder holding container 100 a large amount of air supplies.Supply with a large amount of air with air pump 151, form in the device at above-mentioned full-color image and be provided with four ink powder holding container 100M, 100C, 100Y, 100Bk, therefore, air feeder also can be provided with four, still, if some air pumps 151 are set, then cost improves, and the space need be set.So the present invention proposes following structure.
Fig. 4 is the diagrammatic illustration figure of first embodiment of the invention.
In Fig. 4, in ink powder holding container 100M, 100C, 100Y, 100Bk, take in magenta, cyan, yellow, powdered black ink respectively, by the air pump that lacks than the ink powder holding container number, be that an air pump 151 is to these ink powder holding container 100 air supplies in the present embodiment.This occasion, transport pipe at the air that is connected with air pump 151 and be provided with four furcations 153 that feed path are shunted to four subchannels on 152, make four transport pipe 152M, 152C, 152Y, 152Bk respectively with insert ink powder holding container 100M, 100C, 100Y, nozzle 160M, the 160C of 100Bk, 160Y, 160Bk and be connected.And, be provided for being switched on or switched off open and close valve 154M, 154C, 154Y, the 154Bk that air is supplied with respectively transporting pipe 152M, 152C, 152Y, 152Bk.By there not being the switching of 151 actions of illustrated control part control air pump and open and close valve 154M, 154C, 154Y, 154Bk.
Form device by such formation coloured image,, can save the space, reduce cost to these ink powder holding container 100 air supplies with the air pump 151 that lacks than ink powder holding container 100 numbers.
Fig. 5 is the diagrammatic illustration figure of second embodiment of the invention.
In Fig. 5, be provided with between air pump 151 and ink powder holding container 100M, 100C, 100Y, the 100Bk and be used for the surge tank 155 of stored air as the air reservoir.In this surge tank 155, be provided with and transport pipe 152M, 152C, 152Y, 152Bk, make four transport pipe 152M, 152C, 152Y, 152Bk respectively with insert ink powder holding container 100M, 100C, 100Y, nozzle 160M, the 160C of 100Bk, 160Y, 160Bk and be connected.And, open and close valve 154M, 154C, 154Y, 154Bk are set at the appropriate location that respectively exports or transport pipe 152M, 152C, 152Y, 152Bk of surge tank 155.
The coloured image formation device and above-mentioned first embodiment that constitute like this are same, can save the space, reduce cost.
In Fig. 4 and Fig. 5 embodiment, if open some open and close valve 154M, 154C, 154Y, 154Bk to some ink powder holding container 100M, 100C, 100Y, 100Bk air supply simultaneously, the air capacity of supplying with ink powder holding container 100M, 100C, 100Y, 100Bk has deviation.For example, even only connect two open and close valves 154, thereby in because of container the air supplied with of the lower ink powder holding containers of reason pressure such as the amount of toner of taking in is few many, quantity delivered is average out to 1/2nd not, can not control the air quantity delivered.
So in the embodiment shown in fig. 4, as shown in Figure 6, control air pump 151 is connected synchronously with open and close valve, but does not connect some open and close valve 154M, 154C, 154Y, 154Bk simultaneously.In the embodiment shown in fig. 5, as shown in Figure 7,, there is no need to control air pump 151 and connect synchronously with open and close valve owing to be provided with surge tank 155, then same as described above for open and close valve, do not connect some open and close valve 154M, 154C, 154Y, 154Bk simultaneously.
By such control, the air capacity of supply ink powder holding container 100M, 100C, 100Y, 100Bk is from air pump 151 abilities and be easy to assurance actuation time, can manage simply.
Fig. 8 is the diagrammatic illustration figure of the modified example of the foregoing description.
At Fig. 8, transport pipe at the air that is connected with air pump 151 and be provided with four furcations 153 that feed path are shunted to four subchannels on 152, make four transport pipe 152M, 152C, 152Y, 152Bk respectively with insert ink powder holding container 100M, 100C, 100Y, nozzle 160M, the 160C of 100Bk, 106Y, 160Bk and be connected.And, transport pipe 152M, 152C, 152Y, 152Bk be provided for respectively stored air as band valve surge tank 155M, 155C, 155Y, the 155Bk of air reservoir and be used to be switched on or switched off open and close valve 154M, 154C, 154Y, the 154Bk that air is supplied with as valve gear.
Form device by such formation coloured image, also the same with the foregoing description, save the space, reduce cost, owing to be respectively equipped with band valve surge tank 155M, 155C, 155Y, 155Bk, can be simultaneously to some ink powder holding container 100 air supplies.Because the effect of air supply and powder pump 151 can be discharged ink powders in the ink powder holding container 100, hardly can residual toner, good economy performance, and use aftertreatment ink powder holding container 100 can accomplish not only safety but also health.
Can carry out according to Fig. 9, Figure 10 and process flow diagram shown in Figure 11 to each ink powder holding container 100M, 100C, the air fed control of 100Y, 100Bk in the color printer shown in Figure 1.
Fig. 9 and Figure 10 represent above-mentioned a kind of control example.In this embodiment, do not make the air glut in order to control, air supply when odd number is opened only when adopting each printing, therefore, open at the now printed whether specifically odd number of printing of step S1 judgement earlier, just enter step S2, judge whether the development clutch coupling is connected if odd number is opened ("Yes" of step S1), this is just not supply ink powder because developing apparatus is failure to actuate, and does not also need air supply.If the development clutch coupling is connected ("Yes" of step S2), just enter step S3, judge whether the supply clutch coupling 147 of powder pump 110 is connected, if this is because at supply ink powder while air supply, the powder pump can suck air, therefore, needs to confirm whether to finish the supply ink powder.If supply clutch coupling 147 does not have to connect ("No" of step S3), directly enter step S5, if supply clutch coupling 147 is connected ("Yes" of step S3), then enter step S4, judge whether supply clutch coupling 147 disconnects, if supply clutch coupling 147 disconnects ("Yes" of step S4), then enter step S5.
The particular content of step S5 is asked for an interview Figure 10 process flow diagram.Judge whether that at step S51 M look ink powder holding container needs air supply, if words ("Yes" of step S51), then finish Figure 10 program and enter step S6 among Fig. 9.If not words ("No" of step S51), just enter step S52, judge whether that C look ink powder holding container needs air supply, if words ("Yes" of step S52), then enter step S56, whether judgement disconnects the air supply of M look ink powder holding container, if the words ("Yes" of step S56) that disconnect then finish Figure 10 program and enter step S6 among Fig. 9.If be judged as the "No" occasion at step S52, just enter step S53, judge whether that Y look ink powder holding container needs air supply, if words ("Yes" of step S53), then enter step S55, whether judgement disconnects the air supply of C look ink powder holding container, if the words ("Yes" of step S55) that disconnect then finish Figure 10 program and enter step S6 among Fig. 9.If be judged as the "No" occasion at step S53, just enter step S54, judge whether the air supply to Y look ink powder holding container disconnects, if the words ("Yes" of step S54) that disconnect then finish Figure 10 program and enter step S6 among Fig. 9.
With reference to Fig. 9, S6 begins air supply in step, during the air supply, can finish air supply by connecting clutch coupling 147, or set the air supply time, in case reach this air supply time, just finishes air supply.
So, judge at step S7 whether supply clutch coupling 147 is connected, this and as a same reason above-mentioned, if at supply ink powder air supply simultaneously, the powder pump can suck air, therefore, whether need monitor the supply ink powder.If supply clutch coupling 147 is connected ("Yes" of step S7), just enter step S9, finish air supply, if supply clutch coupling 147 does not have to connect ("No" of step S7), then enter step S8, judge whether the air supply time reaches the air supply time that sets, judge that promptly whether the air supply time is more than or equal to the air supply time that sets, if do not reach the air supply time ("No" of step S8) that sets, then return step S7, if reach the air supply time ("Yes" of step S8) that sets, then enter step S9, finish air supply.
Figure 11 represents another kind of control example, Figure 11 shows that the gas service time process flow diagram of certain look, all controls with this gas control flow for of all kinds.In this embodiment, just begin this flow process during every printing one page.Do not make the air glut in order to control, air supply when odd number is opened only when also adopting each printing, open at the now printed whether specifically odd number of printing of step S11 judgement earlier, if opening ("Yes" of step S11), odd number just enters step S12, judge whether the development clutch coupling is connected, if the development clutch coupling is connected ("Yes" of step S12), just enter step S13, judge whether the supply clutch coupling 147 of powder pump 110 is connected, if supply clutch coupling 147 does not have to connect ("No" of step S13), directly enter step S15, if supply clutch coupling 147 is connected ("Yes" of step S13), then enter step S14, judge whether supply clutch coupling 147 disconnects, if supply clutch coupling 147 disconnects ("Yes" of step S14), then enter step S15.
At step S15, the top powdered ink feed time is counted, whether reach 2 seconds at step S16 judgement time counting, if reach 2 seconds ("Yes" of step S16), then enter step S17, whether the air of judging other look is supplied with and to be disconnected, and this is owing to be branched into some shunt from an air pump by valve, can not be simultaneously to some look ink powder holding container air supplies.If do not reach 2 seconds ("No" of step S16) at step S16 judgement time counting, then finish this flow process, not air supply.Supply with disconnection ("Yes" of step S17) if judge the air of other look at step S17, just enter step S18, the beginning air supply.Promptly in this flow process, add up to reach 2 seconds, with regard to air supply whenever the powdered ink feed time.
In this example, the air service time is set at 1 second, judge at step S20 whether the air supply time reaches 1 second, whether the powdered ink feed of confirming the back before reaching 1 second begins, promptly judge at step S19 whether supply clutch coupling 147 is connected, if the words of connecting ("Yes" of step S19) then enter step S21, finish air supply.At step S22, make the supply counter reset.
In image processing system, reclaim the ink powder that remains in as on the transfer members such as mounting body and transfer belt by cleaning device.This recovery ink powder can re-use, because cleaning device separates setting with developing apparatus because of functional relationship, therefore, must transport the ink powder that reclaims.
Figure 13 represents to reclaim the diagrammatic illustration figure of ink powder example in the past, helical coil 300 1 terminations are received the recovery ink powder from the escape hole 301 of being located at the cleaning device side, by helical coil 300 revolutions, the receiving port 302 of ink powder fortune to the developing apparatus side of being located at helical coil 300 other ends will be reclaimed.But, in above-mentioned transporting, can apply ABNORMAL STRESS to the recovery ink powder, ink powder can block (aggegation that causes because of heat fusing etc.), fragmentation etc., cause the variation of ink powder characteristic, not only may take place to transfer phenomenon, but also may produce as the helical coil 300 of transfer member or driver part breakage etc.In addition, because stress causes the variation of ink powder characteristic, especially form the point that may take place on the image in the device as light of firefly shape at coloured image.
Structure of the present invention as shown in figure 12, ink powder transfer tube 149 connects ink powder holding container 100 and is located at the powder pump 140 of developing apparatus 10 sides, is arranged to make above-mentioned ink powder transfer tube 149 through being located near the recovery toner draining port 150 of cleaning device (not having diagram).This occasion, ink powder transfer tube 149 is a flexible tubing, is easy to through being located near the recovery toner draining port 150 of cleaning device.
Form device by such formation coloured image, when the new ink powder of ink powder holding container 100 is shifted into developing apparatus 10, because,, carry out supply to developing apparatus in that the recovery ink powder is blended under the new ink powder state through reclaiming toner draining port 150.And the ink powder that is undertaken by powder pump 140 is transferred and can not made ink powder produce useless stress, new ink powder be with the air mixed state under in the ink powder transfer member, transfer, can apply mechanical stress hardly to the recovery ink powder that is blended in the new ink powder.
Like this, even use the recovery ink powder when transporting, also can apply mechanical stress hardly, so, can reliably prevent the above-mentioned image that has light of firefly shape phenomenon like that.
Certainly, the present invention is not limited to the foregoing description, can do all changes in the technology of the present invention thought range, and they all belong to protection scope of the present invention.
Claims (26)
1. ink powder holding container comprises:
Container body, this container body have can make ink powder mouth that discharges and the peristome that is positioned on this container body that is contained in the container body;
Filtrator corresponding to the position of described peristome, can make the air in the described container body go out;
Interface unit, be installed on the described mouth of described container body, described interface unit comprises open and close valve, the fixed nozzle that is provided with in the portion of image processing system is installed to described when being provided with in the portion in described container body, can pass described open and close valve and put in described container body, described open and close valve is not installed in described container body describedly can close described mouthful when being provided with in the portion.
2. ink powder holding container according to claim 1, wherein, described container body is equipped with ink powder.
3. ink powder holding container according to claim 1, wherein, described mouthful can make the ink powder in the container body be discharged to developing apparatus, and the position of described peristome is relative with the position of described mouth.
4. ink powder holding container according to claim 3, wherein, described open and close valve comprises elastic component.
5. ink powder holding container according to claim 4, wherein, described elastic component comprises the foam sponge material.
6. ink powder holding container according to claim 3, wherein, the shape of described container body is to attenuate towards described mouthful.
7. ink powder holding container according to claim 3, wherein, when ink powder being provided for described developing apparatus from described container body, the ink powder that is contained in the described container body is sucked into described developing apparatus through described fixed nozzle, in a period of time that ink powder is not provided to described developing apparatus, air is pumped into described container body through described fixed nozzle, stir the ink powder in the described container body, and the excess air that pumps into described container body is discharged to the outside of described container body through described filtrator, makes the air capacity maximum that pumps into described container body.
8. ink powder holding container according to claim 3, wherein, described filtrator is the aeration filtrator, and air this aeration filtrator of can flowing through is discharged to the outside of described container body, is contained in the outside that ink powder in the described container body can not be discharged to described container body through this aeration filtrator.
9. ink powder holding container comprises:
The container body device, be used to deposit ink powder, this container body device comprise can make the ink powder that is contained in the container body device be discharged to developing apparatus first device and can the amount discharge container body device in second device of air, the position of described first, second device is relative;
Valve gear, link with described first device, the fixed nozzle that is provided with in the portion of image processing system is installed to described when being provided with in the portion at described container body device, can pass described valve gear and put in described container body device, make the ink powder in the described container body device can be discharged to developing apparatus, described valve gear is not installed to described described first device that can seal when being provided with in the portion at described container body device, prevents that ink powder is discharged from from described container body device.
10. ink powder holding container according to claim 9, wherein, the shape of described container body device is to attenuate towards described first device.
11. ink powder holding container according to claim 9, wherein, when ink powder being provided for described developing apparatus from described container body device, the ink powder that is contained in the described container body device is sucked into described developing apparatus through described fixed nozzle, in a period of time that ink powder is not provided to described developing apparatus, air is pumped into described container body device through described fixed nozzle, stir the ink powder in the described container body device, and the excess air that pumps into described container body device is discharged to the outside of described container body device through described second device, makes the air capacity maximum that pumps into described container body device.
12. ink powder holding container according to claim 9, wherein, described second device comprises the aeration filtrator, air this aeration filtrator of can flowing through is discharged to the outside of described container body device, is contained in the outside that ink powder in the described container body device can not be discharged to described container body through this aeration filtrator.
13. ink powder holding container according to claim 9 also comprises erecting device, is used for described valve gear is installed to described container body device.
14. ink powder holding container according to claim 9, wherein, described valve gear comprises elastic component.
15. ink powder holding container according to claim 14, wherein, described elastic component comprises the foam sponge material.
16. the method for a supply ink powder comprises:
From the mouth suction ink powder of container body, ink powder is discharged to developing apparatus through this container body;
Not from a period of time of container body suction ink powder, air is pumped into described container body through described mouth;
The excess air that pumps into described container body is discharged to the outside of described container body through peristome, makes the air capacity maximum that pumps into described container body.
17. method according to claim 16, in described drawing step, aspirate ink powder through open and close valve from described container body, described open and close valve and described mouth link, be provided with in the portion and the described fixed nozzle that is provided with in the portion when passing described open and close valve and putting in described container body when what described container body was installed to image processing system, described open and close valve is opened; Pump in the step described,, air pumped into described container body through the described open and close valve of opening not from a period of time of described container body suction ink powder,
Wherein, described open and close valve is not installed to described described mouthful of can close and seal described container body when being provided with in the portion in described container body, prevents that ink powder is discharged from from described container body.
18. method according to claim 17, wherein, described open and close valve comprises elastic component.
19. method according to claim 18, wherein, described elastic component comprises the foam sponge material.
20. method according to claim 16, wherein, the shape of described container body is to attenuate towards described mouthful.
21. a powdered ink feed apparatus comprises:
Ink powder transports passage, extends to developing apparatus from ink powder holding container;
The ink powder conveyer can transport passage along described ink powder ink powder is transported to described developing apparatus from described ink powder holding container;
Air feeder, to described ink powder holding container air supply,
Wherein, described ink powder holding container comprises:
Container body, this container body have can make the ink powder that is contained in the container body be discharged to described developing apparatus mouth and with described mouthful position opening opposing portion;
Filtrator links with described peristome, and the air in the described container body is gone out;
Interface unit, be installed on the described mouth of described container body, described interface unit comprises open and close valve, the fixed nozzle that is provided with in the portion of image processing system is installed to described when being provided with in the portion in described container body, can pass described open and close valve and put in described container body, described open and close valve is not installed in described container body describedly can close and seal described mouthful when being provided with in the portion.
22. powdered ink feed apparatus according to claim 21, wherein, described open and close valve comprises elastic component.
23. powdered ink feed apparatus according to claim 21, wherein, described elastic component comprises the foam sponge material.
24. powdered ink feed apparatus according to claim 21, wherein, the shape of described container body is to attenuate towards described mouthful.
25. powdered ink feed apparatus according to claim 21, wherein, when ink powder being provided for described developing apparatus from described container body, the ink powder that is contained in the described container body is sucked into described developing apparatus through described fixed nozzle, in a period of time that ink powder is not provided to described developing apparatus, air is pumped into described container body through described fixed nozzle, stir the ink powder in the described container body, and the excess air that pumps into described container body is discharged to the outside of described container body through described filtrator, makes the air capacity maximum that pumps into described container body.
26. powdered ink feed apparatus according to claim 21, wherein, described filtrator is the aeration filtrator, and air this aeration filtrator of can flowing through is discharged to the outside of described container body, is contained in the outside that ink powder in the described container body can not be discharged to described container body through this aeration filtrator.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000039843 | 2000-02-17 | ||
| JP039843/2000 | 2000-02-17 | ||
| JP039843/00 | 2000-02-17 | ||
| JP012177/01 | 2001-01-19 | ||
| JP2001012177A JP3940559B2 (en) | 2000-02-17 | 2001-01-19 | Toner storage container |
| JP012177/2001 | 2001-01-19 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011045639A Division CN1187659C (en) | 2000-02-17 | 2001-02-16 | Powdered ink feed apparatus and image forming device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101006513A Division CN1900837B (en) | 2000-02-17 | 2001-02-16 | Toner storing device, toner replenishing method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1567102A true CN1567102A (en) | 2005-01-19 |
| CN100356276C CN100356276C (en) | 2007-12-19 |
Family
ID=26585581
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100565709A Expired - Lifetime CN100356276C (en) | 2000-02-17 | 2001-02-16 | Toner storing device and toner replenishing method and device |
| CNB011045639A Expired - Lifetime CN1187659C (en) | 2000-02-17 | 2001-02-16 | Powdered ink feed apparatus and image forming device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011045639A Expired - Lifetime CN1187659C (en) | 2000-02-17 | 2001-02-16 | Powdered ink feed apparatus and image forming device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3940559B2 (en) |
| KR (1) | KR100400092B1 (en) |
| CN (2) | CN100356276C (en) |
| HK (1) | HK1101612A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101753661A (en) * | 2008-12-04 | 2010-06-23 | 深圳富泰宏精密工业有限公司 | Portable aromatic communication device |
| CN102385289A (en) * | 2011-11-23 | 2012-03-21 | 珠海天威飞马打印耗材有限公司 | Toner replenishing bottle |
| CN107239022A (en) * | 2013-02-25 | 2017-10-10 | 株式会社理光 | Container seal |
| CN110967952A (en) * | 2018-09-28 | 2020-04-07 | 株式会社理光 | Developing device, process cartridge, and image forming apparatus |
| CN112740114A (en) * | 2018-08-30 | 2021-04-30 | 惠普发展公司，有限责任合伙企业 | Toner replenishment cartridge connected to main body through interface between developing cartridge and main body |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7133629B2 (en) | 2002-04-12 | 2006-11-07 | Ricoh Company, Ltd. | Image forming method and apparatus including as easy-to-handle large capacity toner container |
| JP2003302823A (en) | 2002-04-12 | 2003-10-24 | Ricoh Co Ltd | Image forming apparatus |
| JP3741691B2 (en) | 2002-04-12 | 2006-02-01 | 株式会社リコー | Image forming apparatus |
| JP4220798B2 (en) | 2002-09-20 | 2009-02-04 | 株式会社リコー | Powder container |
| KR100523346B1 (en) * | 2003-02-17 | 2005-10-24 | 가부시키가이샤 리코 | Image forming apparatus |
| JP4731959B2 (en) * | 2005-03-11 | 2011-07-27 | 株式会社リコー | Development device |
| JP2006267938A (en) * | 2005-03-25 | 2006-10-05 | Fuji Xerox Co Ltd | Image forming apparatus |
| KR100715859B1 (en) * | 2005-07-07 | 2007-05-11 | 삼성전자주식회사 | Image forming apparatus |
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| JPS59212848A (en) * | 1983-05-18 | 1984-12-01 | Mita Ind Co Ltd | Toner sphering device |
| JPS6243669A (en) * | 1985-08-22 | 1987-02-25 | Kyocera Corp | Electrophotographic developing device |
| JPS639082A (en) * | 1986-06-27 | 1988-01-14 | Matsushita Electric Ind Co Ltd | Damper lock device |
| EP0679442A3 (en) * | 1991-07-16 | 1995-12-20 | Canon Kk | Fine powder production apparatus. |
| JPH06214459A (en) * | 1993-01-19 | 1994-08-05 | Ricoh Co Ltd | Toner replenishment container |
| JPH07230241A (en) * | 1993-12-22 | 1995-08-29 | Canon Inc | Image forming device |
| JPH07295355A (en) * | 1994-04-25 | 1995-11-10 | Konica Corp | Image forming device provided with toner supplying device and toner supplying container |
| JP3525019B2 (en) * | 1996-02-19 | 2004-05-10 | 株式会社リコー | Image forming device with powder pump |
| US6112046A (en) * | 1997-06-20 | 2000-08-29 | Ricoh Company, Ltd. | Image forming apparatus having recycling of residual toner |
| JPH1184873A (en) * | 1997-07-10 | 1999-03-30 | Ricoh Co Ltd | Screw pump and toner transfer device using the screw pump |
| US5987298A (en) * | 1998-02-02 | 1999-11-16 | Ricoh Company, Ltd. | Image forming apparatus including a toner recycling mechanism |
| JP3592069B2 (en) * | 1998-02-24 | 2004-11-24 | 株式会社リコー | Image forming device |
| JP4084457B2 (en) * | 1998-03-31 | 2008-04-30 | 株式会社リコー | Agent storage container and image forming apparatus |
-
2001
- 2001-01-19 JP JP2001012177A patent/JP3940559B2/en not_active Expired - Fee Related
- 2001-02-14 KR KR10-2001-0007215A patent/KR100400092B1/en active IP Right Grant
- 2001-02-16 CN CNB2004100565709A patent/CN100356276C/en not_active Expired - Lifetime
- 2001-02-16 CN CNB011045639A patent/CN1187659C/en not_active Expired - Lifetime
-
2007
- 2007-06-12 HK HK07106288.1A patent/HK1101612A1/en not_active IP Right Cessation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101753661A (en) * | 2008-12-04 | 2010-06-23 | 深圳富泰宏精密工业有限公司 | Portable aromatic communication device |
| CN102385289A (en) * | 2011-11-23 | 2012-03-21 | 珠海天威飞马打印耗材有限公司 | Toner replenishing bottle |
| CN102385289B (en) * | 2011-11-23 | 2014-08-20 | 珠海天威飞马打印耗材有限公司 | Toner replenishing bottle |
| CN107239022A (en) * | 2013-02-25 | 2017-10-10 | 株式会社理光 | Container seal |
| CN107239022B (en) * | 2013-02-25 | 2020-06-09 | 株式会社理光 | Container seal |
| CN112740114A (en) * | 2018-08-30 | 2021-04-30 | 惠普发展公司，有限责任合伙企业 | Toner replenishment cartridge connected to main body through interface between developing cartridge and main body |
| CN112740114B (en) * | 2018-08-30 | 2023-09-22 | 惠普发展公司，有限责任合伙企业 | Toner replenishment cartridge connected to main body through interface between developing cartridge and main body |
| CN110967952A (en) * | 2018-09-28 | 2020-04-07 | 株式会社理光 | Developing device, process cartridge, and image forming apparatus |
| CN110967952B (en) * | 2018-09-28 | 2022-03-11 | 株式会社理光 | Developing device, process cartridge, and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3940559B2 (en) | 2007-07-04 |
| CN100356276C (en) | 2007-12-19 |
| KR20010100785A (en) | 2001-11-14 |
| CN1310363A (en) | 2001-08-29 |
| CN1187659C (en) | 2005-02-02 |
| HK1101612A1 (en) | 2007-10-18 |
| KR100400092B1 (en) | 2003-10-01 |
| JP2001305843A (en) | 2001-11-02 |
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