CN101042559A - Image forming apparatus - Google Patents
Image forming apparatus Download PDFInfo
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- CN101042559A CN101042559A CNA2007100917491A CN200710091749A CN101042559A CN 101042559 A CN101042559 A CN 101042559A CN A2007100917491 A CNA2007100917491 A CN A2007100917491A CN 200710091749 A CN200710091749 A CN 200710091749A CN 101042559 A CN101042559 A CN 101042559A
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- toner
- toner container
- processing system
- nozzle
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1604—Arrangement or disposition of the entire apparatus
- G03G21/1609—Arrangement or disposition of the entire apparatus for space saving, e.g. structural arrangements
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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
- G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
- G03G15/0856—Detection or control means for the developer level
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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
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/08—Details of powder developing device not concerning the development directly
- G03G2215/0888—Arrangements for detecting toner level or concentration in the developing device
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Color Electrophotography (AREA)
Abstract
The invention relates to an image forming device, comprising a development unit 60, a toner container 80 and a toner replenishment system 70; wherein the development unit 60 develops a static electricity latent image on an image carrier as a visible image, the toner container 80 accepts the color swap supplied to the development unit, and the toner replenishment system 70 supplies the color swap in the toner container to the development unit. A switch supporting bracket 103 is arranged on the body of the image forming device for movably supporting the toner container 80. The switch supporting bracket can shift between the setting and replacing positions. The image forming device, which ensures the toner capacity of the toner container and has good replacement operability, is provided through efficiently utilizing the space and arranging the toner container without enlarging the size of the device.
Description
The application is to be dividing an application of October 10, application number in 2003 are 200310101018.2, denomination of invention is image processing system patented claim the applying date.
Technical field
The present invention relates to printer, duplicating machine, facsimile recorder and image processing systems such as compounding machine with above-mentioned some kinds of functions.
Background technology
In the past, the image processing system of electrofax mode is provided with developing apparatus, but it carries out the video processing to being formed on as the electrostatic latent image on the mounting body, when this developing apparatus adopts bi-component visualization way occasion, be provided with the toner bottle in its vicinity, toner cartridge, toner reservoir such as toner jar are by mechanism's supply toners such as spirals.In addition, in recent years, in the image processing system, the image processing system that is used to obtain coloured image is tending towards increasing tendency, forms in the device at this coloured image, and four developing apparatuss and four look (yellow must be set, magenta, cyan, black) the toner reservoir.Have again, also require it to realize miniaturization not reducing under the toner storage capacity state of toner reservoir to image processing system, configuration toner reservoir not only harms equipment miniaturization near each developing apparatus, and design freedom is also brought very adverse influence.
The open image processing system of understanding the problems referred to above that disappear in the TOHKEMY 2001-305843 communique.In this communique, use is called as the helicoidal pump of so-called Mono pump (Mono pump), to be accommodated in toner in the toner container to the developing apparatus supply, toner container can be configured in the optional position as another assembly different with developing apparatus, therefore, can consider its replacing operability, toner container is configured in the space that is not utilized effectively of image processing system.
But in recent years, the miniaturization of image processing system obtains sizable progress, and reduce in the above-mentioned space that is not utilized effectively.In addition, the replacing frequency of toner container is preferably the least possible, and therefore, itself is difficult to miniaturization toner container.Have, coloured image forms the device occasion, compares with color toner again, and the consumption of black toner is many, therefore, wishes that the storage capacity of black toner is many.Have again, also need to consider to change simply with comfortable as far as possible posture the operation of toner container.Especially, if the black toner accommodating container becomes high capacity, then weight increases, and the property handled is poor, and good replacing operability must be indispensable.
Summary of the invention
The present invention puts forward for solving the existing problem of above-mentioned prior art, the objective of the invention is to, by effectively utilizing the space, the configuration toner container, do not cause that device maximizes, provide a kind of and can guarantee the toner capacity of toner container and change the operability preferable image to form device.
To achieve these goals, the present invention proposes following scheme:
(1) a kind of image processing system is provided with:
Developing apparatus, but carry out the video processing to being formed on as the electrostatic latent image on the mounting body;
Toner container is taken in the toner that carries out supply to above-mentioned developing apparatus;
Toner supply device carries out supply with the toner that is accommodated in the above-mentioned toner container to above-mentioned developing apparatus; It is characterized in that:
On image forming device body, be provided with support unit, releasably support above-mentioned toner container, this support unit can be provided with the position and change between the position and move, the above-mentioned position that is provided with is meant that above-mentioned toner container is set at the position in the image forming device body, and above-mentioned replacing position is meant that relative image forming device body loads and unloads the position of above-mentioned toner container.
According to said structure of the present invention, be provided with support unit on image forming device body, releasably support above-mentioned toner container, this support unit can be provided with the position and change between the position and move, therefore, be easy to carry out the replacing operation of toner container.
(2) in the image processing system of above-mentioned (1), support unit is being provided with the position and is changing between the position and swing.
According to said structure of the present invention, support unit is being provided with the position and is changing between the position and swing, and therefore, support unit moves easily.
(3) in the image processing system of above-mentioned (1), above-mentioned support unit is being provided with the position and is changing slippage between the position.
According to said structure of the present invention, above-mentioned support unit is being provided with the position and is changing slippage between the position, and therefore, support unit moves easily.
(4) in the image processing system of above-mentioned (1), above-mentioned support unit the position is set near below the guidance panel of image forming device body.
According to said structure of the present invention, above-mentioned support unit the position is set near below the guidance panel of image forming device body, therefore, the portion that is provided with of toner container can utilize the space that is not utilized effectively.
(5) in the image processing system of above-mentioned (4), above-mentioned support unit is in when changing the position, and at least a portion that is supported in the above-mentioned toner container in the above-mentioned support unit is projected into the foreign side of the lateral surface of image forming device body.
According to said structure of the present invention, above-mentioned support unit is in when changing the position, is supported in
At least a portion of stating the above-mentioned toner container in the support unit is projected into the foreign side of the lateral surface of image forming device body, therefore, is easy to carry out the replacing operation of toner container.
(6) in the image processing system of above-mentioned (1), above-mentioned toner supply device be provided with nozzle with
And flexible toner supply passage, said nozzle and above-mentioned toner container continue, and above-mentioned toner supply passage connects said nozzle and developing apparatus.
According to said structure of the present invention, the portion of setting of above-mentioned toner container can be set in
The optional position.
(7) in above-mentioned (1), (5), in (6) in each described image processing system, above-mentioned toner
Accommodating container comprises the bag that is used to take in toner, and the bayonet socket parts that are located at this bag bottom, above-mentioned bayonet socket parts are provided with the toner discharge portion, by said nozzle being connected to above-mentioned bayonet socket parts, above-mentioned toner supply device becomes can be with the supply state of the toner supply developing apparatus of toner container.
According to said structure of the present invention, be easy to insert the portion that is provided with.
(8) in the image processing system of above-mentioned (6), by above-mentioned toner container is inserted
Above-mentioned support unit, or unload this toner container from above-mentioned support unit, said nozzle and above-mentioned bayonet socket parts continue or disconnect.
According to said structure of the present invention, can toner container be set by once moving.
(9) in the image processing system of above-mentioned (6), by above-mentioned toner container is housed
Above-mentioned support unit is being provided with the position and is changing moving of position, and said nozzle and above-mentioned bayonet socket parts continue or disconnect.
According to said structure of the present invention, be easy to carry out the replacing operation of toner container.
(10) in the image processing system of above-mentioned (9), be provided with switch block, be used for the above-mentioned look of switch
The toner discharge portion of adjustment accommodating container by the replacement of this switch block and said nozzle, is closed or open toner discharge portion, and above-mentioned switch block moves between off-position and release position.
According to said structure of the present invention, when changing toner container, be difficult for taking place toner and leak.
(11) in the image processing system of above-mentioned (10), be provided with interlinked mechanism at above-mentioned support unit, insert with said nozzle or unload interlock, make above-mentioned switch block between off-position and release position, move.
According to said structure of the present invention, when changing toner container, can prevent toner and leak.
(12) in the image processing system of above-mentioned (1), above-mentioned toner supply device comprises helicoidal pump, this helicoidal pump is provided with the stator and the rotor of elastomeric element, the inner spiral groove that forms of said stator, above-mentioned rotor is in stator interior, make toner move vertically by revolution, above-mentioned helicoidal pump produces negative pressure, and the toner in the above-mentioned toner container is carried out supply to developing apparatus.
According to said structure of the present invention, toner container is connected with developing apparatus not removing
Under the state, toner container is moved to the replacing position, also can the supply toner from being in the toner container of changing the position.
(13) in the image processing system of above-mentioned (2), above-mentioned support unit is being provided with the position and is changing between the position and swing, the fulcrum of above-mentioned swing be located at above-mentioned toner supply passage near.According to said structure of the present invention, can prevent because of the position being set and changing the breakage of moving the feed channel that causes between the position.
(14) in the image processing system of above-mentioned (13), above-mentioned toner supply passage constitutes by the some feed channels of connection portion, and the connecting portion of feed channel portion is located near the above-mentioned swing fulcrum.
According to said structure of the present invention, can prevent more reliably because of the position being set and changing the breakage of moving the feed channel that causes between the position.
(15) in the image processing system of above-mentioned (14), constitute some supplies of above-mentioned feed channel
The material of at least one in the channel part is different with other feed channel portions.
According to said structure of the present invention, can prevent more reliably because of the position being set and changing the breakage of moving the feed channel that causes between the position.
Description of drawings
Fig. 1 is the pie graph of color copy machine;
Fig. 2 is the major part pie graph of the copying machine body of the image processing system that relates to of the embodiment of the invention;
Fig. 3 is the major part enlarged drawing that tandem image shown in Figure 2 forms mechanism;
Fig. 4 is the formation key diagram of the toner supply device that relates to of the embodiment of the invention;
Fig. 5 is the toner container that relates to of the embodiment of the invention oblique view of filling toner state;
Fig. 6 is the exploded perspective view of the bayonet socket parts of the toner container that relates to of the embodiment of the invention;
Fig. 7 is the sectional view of the bayonet socket parts of Fig. 6;
Fig. 8 is the longitudinal section of the bayonet socket parts of Fig. 6;
Fig. 9 is the outward appearance oblique view of toner supply portion;
Figure 10 is the last chamber key diagram of secondary hopper;
Figure 11 is the following chamber key diagram of secondary hopper;
Figure 12 is the oblique view of the portion that is provided with of image processing system;
Figure 13 is the exploded perspective view that toner container is provided with portion;
Figure 14 is the sectional view that the switch support frame that portion is set shown in Figure 13 is in closed condition;
Figure 15 is the sectional view that the switch support frame that portion is set shown in Figure 13 is in open mode;
Figure 16 is the cross-sectional view that portion is set shown in Figure 13;
Figure 17 is that nozzle and slide mass are the oblique view of the embodiment of one;
Figure 18 is the closed condition key diagram of toner container another embodiment that portion is set;
Figure 19 is the open mode key diagram of Figure 18;
Figure 20 is the key diagram that toner container is provided with the another embodiment of portion;
Figure 21 is the key diagram that toner container is provided with portion;
Figure 22 is the cross-sectional illustration figure of the relay of feed channel;
Figure 23 is the oblique view that the toner container configuration example of portion is set.
Embodiment
With reference to the accompanying drawings, describe the embodiment of the invention in detail.
Fig. 1 is the skeleton diagram that the coloured image that the present invention relates to forms the color copy machine of device one example.As shown in Figure 1, these color copy machine central authorities are copying machine body 100, dispose the sheet feed section 200 that constitutes mesa shaped in its underpart, configuration scanner 300 above copying machine body 100, configuration original copy automatic supplier 400 above scanner 300.
Be provided with intermediate transfer belt 10 conducts as the mounting body in copying machine body 100, it is made of the flexual endless belt that has that is wound on several rollers 14,15,16.Turn round by some rollers among not having above-mentioned several rollers 14,15,16 of illustrated drive unit driving, and then drive above-mentioned intermediate transfer belt 10 towards moving the driven revolution of other rollers shown in the arrow clockwise.The transversely arranged configuration black in limit is moved on top at the intermediate transfer belt 10 that moves like this, cyan, magenta, yellow image-forming assembly 18.Be four image-forming assemblies 18 of configuration on roller 14 and 15 s' the mobile limit, constitute tandem image processing system 20.
Four image-forming assemblies 18 are respectively equipped with photoconductor drum 40 as the mounting body, join with intermediate transfer belt 10.Around this photoconductor drum 40, dispose Charging system, developing apparatus, cleaning device, discharge system etc.,, be positioned at intermediate transfer belt 10 inboards, transfer device 57 is set at photoconductor drum 40 and intermediate transfer belt 10 connecting positions.The present embodiment occasion, four image-forming assemblies 18 constitute same structure, and the color differentiating of the toner of developing apparatus is yellow, magenta, cyan, black.Configuration exposure device 21 above each image-forming assembly 18, on each photoconductor drum surface, above-mentioned laser shines photoconductor drum between Charging system and developing apparatus with modulated laser radiation.
On the other hand, above-mentioned relatively intermediate transfer belt 10 at the opposition side of above-mentioned tandem image processing system 20, is provided with secondary transfer printing device 22.Dai secondary transfer printing band 24 is wound on the roller 23 ringwise, and this is with 24 by intermediate transfer belt 10 and roller 16 crimping.In Fig. 1, the horizontal left at secondary transfer printing device 22 is provided with fixing device 25, is used for the transferred image that is positioned on the paper is carried out photographic fixing.
Above-mentioned secondary transfer printing device 22 also has the paper functions of physical supply that the above-mentioned fixing device 25 of the principal direction after the image transfer printing is supplied with.Certainly, also can dispose contact-less charger as secondary transfer printing device 22, this occasion need be provided with feeder in addition, so that principal direction fixing device after the transfer printing 25 is supplied with.
In illustrated example, this secondary transfer printing device 22 and fixing device 25 times, parallel with above-mentioned tandem image processing system 20, be provided with paper turning device 28, make the paper upset, so that at paper two sides document image.
When using the color copy machine of above-mentioned formation to duplicate, original copy is set on the document board 30 of original copy automatic supplier 400.Perhaps, open original copy automatic supplier 400, original copy is set on the original copy glass platform 31 of scanner 300 closed original copy automatic supplier 400, crimping original copy.
Then, if push and do not have illustrated beginning switch, original copy is set to occasion on the document board 30 of original copy automatic supplier 400, supplies with original copy by feed mechanism, make original copy move on the original copy glass platform 32 after, driven sweep device 300; And when original copy being set to occasion on the original copy glass platform 32 of scanner 300, then the device of driven sweep at once 300.Make win slides carriage body 33 and 34 slips of the second slide trucks support body.Then,, will reflect from the reflected light of original copy face again from source emissioning light at the first slide trucks support body 33, to 34 emissions of the second slide trucks support body, in the mirror reflects of the second slide trucks support body 34, by imaging len 35, incide read sensor 36, read the original copy content.
In addition, do not have illustrated beginning switch if push, intermediate transfer belt 10 revolutions are moved, simultaneously, at each image-forming assembly 18, photoconductor drum 40 revolutions, the monochrome image of the yellow magenta cyan of formation black on each photoconductor drum 40 respectively.Intermediate transfer belt 10 revolutions are moved simultaneously, and the above-mentioned monochrome image of order transfer printing forms combined color image on intermediate transfer belt 10.
On the other hand, paper reservoir 43 is provided with a plurality of paper feeding cassettes 44, if pushing does not have illustrated beginning switch, select the single-revolution of the paper feed roller 42 of sheet feed section 200, send paper from one of paper feeding cassette 44, separate paper on separate roller 45 many ground, enter paper supply passage 46, through donor rollers 47, the paper supply passage 48 in the guiding copying machine body 100, compress registration roller 49, stop the mobile holding state that is in.
Perhaps, select manual paper supply occasion, the paper on the manual paper feeding cassette 51 is sent in paper feed roller 50 revolutions, separates paper by separate roller 52 many ground, enters manual paper supply passage 53, compresses above-mentioned registration roller 49, stops to move being in holding state.
Then, be consistent, make registration roller 49 revolutions, paper is sent between intermediate transfer belt 10 and the secondary transfer printing device 22, carry out transfer printing, once coloured image is recorded on the paper at secondary transfer printing device 22 with combined color image on the intermediate transfer belt 10.
The paper that carries out after the image transfer printing is sent to fixing device 25 by secondary transfer printing device 22, is applied in heat and pressure at fixing device 25, makes after the transferred image photographic fixing, switches by switching pawl 55, discharges through distributing roller 26, on the row's of being positioned in paper disc 27.Perhaps, switch by switching pawl 55, enter turning device 28, be reversed there, the transfer position that leads once more behind reverse side also document image, is discharged through distributing roller 26, on the row's of being positioned in paper disc 27.
Fig. 2 is the major part pie graph of the copying machine body of the image processing system that relates to of the embodiment of the invention.
As shown in Figure 2, image-forming assembly 18 is provided with four, and promptly the upstream side from middle transfer belt 10 is sequentially with Y, M, C, Bk image-forming assembly of all kinds.As shown in Figure 3, each image-forming assembly 18 is provided with Charging system 56, light writing system L, developing apparatus 60, primary transfer device 57, cleaning device 58, discharge system 59 around photoreceptor 40.By this configuration, when using the Bk monochromatic mode, can shorten first duplicating time, it shortens the distance between the photoreceptor 40Bk that part is equivalent to the photoreceptor 40Y of upstream and downstream.
Fig. 4 is the formation key diagram of the toner supply device that relates to of the embodiment of the invention, and the toner transfer device uses the helicoidal pump means, utilizes above-mentioned toner transfer device, forms the developing apparatus 60 supply toners of means 18 to image.
As shown in Figure 4, toner container 80 is arranged on the portion that is provided with 99 of copying machine body 100, and toner container 80 has been taken in toner, is used for carrying out supply to developing apparatus 60.If the Qianmen 100a of open copying machine body 100, then expose the portion 99 (with reference to Figure 12) that is provided with, in the above-mentioned portion 99 that is provided with, be provided with the nozzle 110 that constitutes a toner supply device part, if toner container 80 is set to the above-mentioned portion 99 that is provided with, then nozzle 110 inserts in the toner container 80, becomes connection status.Be provided with passage 114 in nozzle 110 inside, passage 114 is communicated with toner transfer tube 78, and toner transfer tube 78 is connected with nozzle 110 ends, as the toner supply passage.
On these bayonet socket parts 82, form toner discharge opening, this toner is discharged the endoporus 86 that is formed by bag 81 1 sides with opening, and switch hole 87 formations, and above-mentioned switch hole 87 is communicated with endoporus 86, switch block can insert this switch hole 87, or extracts from switch hole 87.At bayonet socket parts 82 down under the state, endoporus 86 is vertical holes of extending along the vertical direction, and switch hole 87 is transverse holes, and the axis of its axis and endoporus 86 roughly meets at right angles, in the present embodiment, switch hole 87 is that cross section from a side break-through of following body 85 to opposite side is circular through hole.Endoporus 86 is in the inboard of the incorporating section of ship shape fixed part 88, the cross section that formation is diameter with the short direction length of ship shape is the hole of circle, form funnelform inlet 86a on the way, promptly, endoporus 86 becomes path by inlet 86a on the way, feasible more little near switch hole 87 aperture areas more, be communicated with it on switch hole 87 tops.Therefore, at the interconnecting part of endoporus 86 with switch hole 87, the opening footpath of opening relative aperture switch hole 87 of endoporus 86 is little, if switch block 92 inserts switch hole 87, then toner is discharged can become closed condition reliably with opening.
The switch block 92 of present embodiment forms the cross section and is circular axle shape, and is smaller slightly than switch hole 87 diameters, therefore, can insert switch hole 87 reliably.But,, leak from toner can take place between switch block 92 and the switch hole 87, or air leaks if switch block 92 is littler than switch hole 87 diameters.The toner leakage can cause that toner pollutes, and air leaks the appearance that subtracts that harms toner container 80, therefore, is provided with O type circle 89 as seal means on bayonet socket parts 82.Because switch hole 87 is through holes, therefore, this O type circle 89 is located at the both sides of switch hole 87.Can be formed for taking in the groove of O type circle 89 in switch hole 87 both sides,, install, still, have the fixedly O type circle 89 time-consuming problems that cause the assembly cost increase by the fixing O type circle 89 of method such as bonding.
So in Fig. 6-8 illustrated embodiment, part 90 and outer part 91 during bayonet socket parts 82 are divided into are by the joint maintenance O type circle 89 of two parts.Specifically, be provided with engaging groove 93 on middle part 90, be used for engaging with O type circle 89, part 91 is provided with the installation portion 94 that is used for installing above-mentioned part 90 outside, incorporating section fixed part 88, and the maintaining part 95 that is used to keep being bonded on the O type circle 89 on the engaging groove 93.Under the state that O type circle 89 has been bonded on the engaging groove 93, if middle part 90 is installed on the outer part 91, then O type circle 89 is subjected to maintaining part 95 pushings, can prevent reliably that it from coming off.
Shown in Fig. 4-9, on developing apparatus 60 tops of supply toner, be provided with secondary hopper 61 as parachrome adjustment accommodation device, the toner of toner container 80 temporarily is accommodated in this pair hopper 61.And, on this pair hopper 61, be provided with powder pump 70 as the toner transfer device, be used for the toner of toner container 80 is transplanted on secondary hopper 61.This powder pump 70 is the helicoidal pump of single shaft off-centre, and it comprises that the material that has a rigidity with metal etc. becomes eccentric spiral helicine rotor 71, makes of elastic bodys such as rubber and form two spiral-shaped stators 72 and encase above-mentioned rotor stator and the support of being made by resin material etc. 73 of formation powder supplying passage.With reference to Fig. 9, above-mentioned rotor 71 is connected with driving shaft 74 by pin connector, and gear 75 links into an integrated entity with above-mentioned driving shaft 74, and said gear 75 is not connected with first clutch 76 by there being illustrated neutral gear, by being switched on or switched off first clutch 76, the operation of control powder pump 70.First clutch 76 and second clutch described later 68 are located on the rotary drive shaft 79, do not drive above-mentioned rotary drive shaft 79 by there being illustrated drive unit.
The front end of above-mentioned support 73, be that the right-hand member of support 73 shown in Figure 4 is provided with toner suction portion 77, this toner suction portion 77 is connected with above-mentioned toner transfer tube 78.This toner transfer tube 78 can be the flexible tubing of diameter 4-10mm for example, if use the good elastomeric material of anti-toner, for example poly-amino, nitrile, ethylene-propylene-diene rubber, silicon etc. are made then very effective, and flexible tubing is easy to descend left and right sides any direction to be configured up.
The vertical sectional shape of secondary hopper 61 roughly is the del shape, and its inside is divided into chamber 62 and following chamber 63 up and down.The base area of last chamber 62 is bigger than the base area of following chamber 63, last chamber 62 be provided with a pair of on spiral 64,65, and be configured between two spirals, both ends are cut cuts apart plate 66.Figure 10 is the last chamber key diagram of secondary hopper, and as shown in figure 10, position shown in the symbol A is that the toner that above-mentioned powder pump 70 is supplied with toner is supplied with the position, and the toner that supplies to this position A moves by arrow P 1 direction by above-mentioned a pair of revolution of going up spiral 64,65.In addition, symbol B is the above-mentioned intercommunicating pore of going up chamber 62 and following chamber 63, and the above-mentioned toner that moves by arrow P 1 direction falls into down chamber 63 from intercommunicating pore B.
Figure 11 is following chamber 63 key diagrams of secondary hopper, as shown in figure 11, is provided with down spiral 66, and the toner that supplies to position B ' from intercommunicating pore B moves by arrow P 2 directions by the above-mentioned revolution of spiral 66 down.Symbol C is the supply mouth that is communicated with above-mentioned chamber 63 down and developing apparatus 60, and the above-mentioned toner that moves by arrow P 2 directions falls in the developing apparatus 60 from this supply mouth C, carries out supply.
The secondary hopper 61 temporary transient toners of being supplied with by above-mentioned powder pump 70 that store that constitute like this are transplanted on developing apparatus 60 by spiral.Therefore, in the present embodiment, last spiral 64,65 constitutes the toner transfer device with following spiral 66 in secondary hopper 61.In addition, last spiral 64,65 with following spiral 66 respectively be provided with gear 64a, 65a, 66a, said gear 64a, 65a, 66a is connected with second clutch 68 on being located at rotary drive shaft 79 by neutral gear row 67, by the spiral 64,65 and following spiral 66 on the controlling and driving of being switched on or switched off of second clutch 68.
On secondary hopper 61, near the sidewall the position A that supplies with the toner of transferring by powder pump 70, be provided with toner sensor 69 as the toner pick-up unit, be used to detect the tone dosage that sets.The toner sensor 69 of present embodiment is the oscillatory type sensor, uses the toner sensor face 69a that contact with toner in the last chamber 63, and detection has or not the tone dosage that sets.
In the toner supply device that constitutes like this, if according to toner concentration sensor (not diagram), send the instruction to developing apparatus 60 supply toners, then second clutch 68 is connected, and makes to go up spiral 64,65 and following spiral 66 actions.If last spiral 64,65 moves with play spiral 66, just carry out supply to developing apparatus 60 with the toner of the corresponding amount of its gyration time.On the other hand, in secondary hopper 61 supply toners, toner sensor 69 monitors the tone dosage in the secondary hopper 61, when detected tone dosage is less than ormal weight, 70 actions of powder pump, the toner of toner container 80 carries out supply in secondary hopper 61.At this moment, there is no need to control accurately toner supply amount to secondary hopper 61, therefore, set the toner feeding amount transferred by powder pump 70 than about the increment of screw developing apparatus 60 many.Because toner container 80 is flexible containers, along with powder pump 70 supply toners, toner container 80 subtracts appearance automatically.
When repeatedly making powder pump 70 action but the toner detection limit of toner sensor 69 when still being less than ormal weight judges that toner container 80 is not for almost there being the toner empty of toner.And, if be judged as toner empty, then for example go up expression and change cartridge at the panel (not diagram) of operating portion, not changing toner container 80 occasions, after setting the imaging number of times, stop imaging.
In the color copy machine of present embodiment, by powder pump 70 toner of toner container 80 is carried out supply to developing apparatus 60, therefore, the degree of freedom that the position is set of the portion that is provided with 99 of toner container 80 is big.But if the lower side that portion 99 is positioned at copying machine body 100 is set, the user must bend over to carry out the replacing operation of toner container 80, and the top that portion 99 is positioned at the copying machine body 100 of good operability preferably is set, and can be from the position that face side is operated.Have again,, then need frequent the replacing, therefore, require toner container 80 to guarantee the amount of taking in to a certain degree if the absolute magnitude of the toner of being taken in is few.
In above-mentioned color copy machine, all satisfy above-mentioned requirements toner container 80 the portion that is provided with 99 as shown in figure 12, from being positioned at the rear side of operating portion 150, promptly operating portion 150 under near the position.That is to say that operating portion 150 fronts are arranged on the upper face side of copying machine body, the space of suitable size is arranged before image forming part, if open the Qianmen 100a of copying machine body 100, then this position meets one's eyes.But, if the portion that is provided with 99 of toner container 80 be positioned at operating portion 150 under near owing to from the top toner container 80 is set, operating portion 150 can harm setting operations.
So, in the present embodiment, be constructed such that toner container 80 being provided with between the position in removable replacing position and copying machine body 100 move.This occasion, be provided with switch support frame 103 in that portion 99 is set, be used to support toner container 80 as support unit, switch support frame 103 can be provided with the position and change between the position and move, change the position if this switch support frame 103 moves to, then can change container.
In the image processing system of present embodiment, be provided with the portion that is provided with 99 that four look toner containers 80 are installed.The switch support frame 103 that is used to be provided with the toner container 80 of black forms wide size, but it is identical with other three looks essence on inner structure.
In the both sides of nozzle 110, be provided with integrally formed travelling arm 111, this travelling arm 111 is installed on the above-mentioned guiding parts movably.Front end at this travelling arm 111 is provided with tying pawl 112, by with 112 tyings of tying pawl in the end of above-mentioned guiding parts, prevent that nozzle 110 from being pulled away above-mentioned switch support frame 103.Between nozzle 110 and switch support frame 103, compression spring 113 is installed, be wound on the nozzle 110, by this spring 113, nozzle 110 is maintained at the rubber-like position usually, i.e. and tying pawl 112 tyings are in the position of guiding parts end.
Above-mentioned guide cylinder 105 is the tubular that extends on nozzle 110 axis, form hole 105a in the end with nozzle 110 subtends, can insert above-mentioned switch block 92, and it opposes that side end is by fixed cap 115 obturations.In above-mentioned guide cylinder 105, enclose above-mentioned slide block 106 and compression spring 107, this compression spring 107 is pushed above-mentioned slide block 106 to nozzle 110 sides.Above-mentioned slide block 106 cross sections form convex, even because of the parts 108 that only pull out of the nozzle side end that is formed on guide cylinder 105 are compressed spring 107 and push, also can remain in the above-mentioned guide cylinder 105.On switch support frame 103, be provided with guide housing 109, toner container 80 guiding that are used for inserting are provided with the position, the foot configuration said nozzle 110 of this guide housing 109, the following body of the bayonet socket parts 30 of toner container 80 becomes the portion of being got that embeds.Form the opening (not diagram) that nozzle and switch block 92 can pass through in this embedding portion of being got.
In the portion that is provided with 99 of said structure, if switch handle 120 is pulled out towards inferoanterior, then engaging part 121 pulls away the tying groove 123 that is formed on the body frame 101, as shown in figure 15, the bottom of switch support frame 103 can be a center steering to the position that connects with body frame 101 with revolving shaft 102, and switch support frame 103 moves to the release position.The switch support frame 103 that is in the release position is retracted into the state on Figure 15 right side for nozzle 110, at this, if make bayonet socket parts 30 sides towards falling into, then nozzle 110 remains on the position that joins with guiding parts because of compression spring 113 tying pawls 112, and the switch block 92 of bayonet socket parts 30 drops to the position with nozzle 110 subtends.
After toner container 80 dropped into institute's allocation, switch support frame 103 was got back to off-position shown in Figure 14.Reply operation by this, nozzle 110 flush switch holes 87, switch block 92 moves to guide cylinder 105 sides from hole 105a.And, being provided with toner on the side face top near front end of nozzle 110 and being got mouth 114, endoporus 33 bottoms on this toner is got mouth 114 and is located at bayonet socket parts 30 are communicated with, and the toner supply passage leads to developing apparatus 14 from toner container 80.By inserting nozzle 110, towards the guide cylinder 105 thrusters parts 92 that compress switch, this switch block 92 can not pull away fully from switch hole 87, remains on the position of crossing over switch hole 87 and guide cylinder 105.
When nozzle 110 inserted switch hole 87, compression spring 113 was subjected to the pushing of switch support frame 103 and compresses, and the compression spring 107 that is located at guide cylinder 105 also is compressed because of the slide block 106 that is inserted through of switch block 92.Therefore, if switch support frame 103 moves to the release position from off-position, nozzle 110 is because the elastic force of compression spring 113, and switch block 92 is because the elastic force of compression spring 107 is got back to the origin-location respectively.Therefore, nozzle 110 pulls away the switch hole 87 of toner container 80, and switch block 92 inserts switch hole 87 once more.
As mentioned above, toner container 80 is only under the state that is set to device body 1, with the toner supply channel connection, and if open switch support frame 103, then nozzle 110 pulls away switch hole 87, but at this moment switch block is replied at once, and therefore, toner can not leak from toner container 80.In the above-described embodiments, when toner container 80 is set, nozzle 110 moves same amount with slide block 106 to same direction, as shown in figure 16, also can nozzle 110 and slide block 106 is integrated, if adopt this structure, even choose nozzle 110, slide block 106 can not take place yet do not move and cause that switch block 92 does not stop up the problem of switch hole 87.
Figure 17 and Figure 18 represent to be provided with other embodiment of portion, and in this embodiment, switch support frame 103 can open and close by the relative device body 1 of slippage by the linear steering means along the slippage of arrow E direction.
Figure 19 represents the another embodiment of the portion that is provided with, and in this embodiment, switch support frame 103 is fixed in the device body 1 and does not move.In order to load and unload toner container 80, door 140 is arranged on top.The nozzle support unit 116 of supporting nozzle 110 can not move along arrow F direction by there being illustrated linear steering means.Cam 141 is a center steering with fulcrum 142, makes nozzle support unit 116 move by this cam 141.Door 140 is a center steering with fulcrum 143.
According to this structure, as shown in the figure, connect cam 141 and door 140 by arm 144, the switching of door 140 and cam 141 revolution interlocks can load and unload nozzle 110.Therefore, if open door 140, nozzle 110 leaves bayonet socket parts 30, can change or load and unload toner container 80.If close door 140, by arm 144, cam 141, nozzle support unit 116, nozzle 110 is set on the bayonet socket parts 30, becomes the state that can draw or supply with toner.
Below, other embodiment of toner supply device are described with reference to Figure 20.
In Figure 20, the powder pump 70 that this toner supply device uses and the foregoing description is same is arranged near the developing apparatus 60 as the helicoidal pump means.Portion 99 is set to be located in the image forming device body, the above-mentioned portion 99 that is provided with that is located at is found for circular nozzle 190 in the cross section of inserting in the toner bag 81, toner container 80 is set to the above-mentioned portion that is provided with from the top, make nozzle 190 insert the toner discharge portion of toner container 80.Nozzle 190 is the single tube structure, is provided with passage 191, in the lower end of passage 191, continues mutually with toner transfer tube 178, and above this joint, right-hand bending in the figure is connected with air pump 194 by gas transfer tube 193.
If these air pump 194 actions, gas is ejected in the toner container 80 by gas transfer tube 193 from this pump.The air that is ejected in the toner container 80 passes through layer of toner, Yi Bian make the toner diffusion, Yi Bian it is flowed.If 70 actions of powder pump attract toner and air in the toner container 80, to developing apparatus 60 supply toners.
The portion that is provided with 99 of present embodiment is located at position shown in Figure 21, and itself and image forming part lean against nip side plate 230 privately.At this one 99 is set and is provided with the support body 221 that is used to keep toner container 80, the bottom in this support body 221 vertically is provided with said nozzle 190.As shown in figure 21, this support body 221 is supported on the side plate 230, can be center steering with revolving shaft 231, and by this structure, portion 99 is set can be provided with the position and change between the position and swing.This occasion, revolving shaft 231 be located at side plate 230 near, and be positioned at the lower side of toner container 80, therefore, change position for representing with double dot dash line in Figure 21, position, it is that the center gets by the counterclockwise revolution from the position is set with revolving shaft 231.In this device, be provided with and remain on the retainer (not diagram) that the position is set portion 99 is set, if pressing operation button 211 is just removed this retainer, at this moment, portion 99 is set changes the position because of deadweight moves to.In addition, when the user will be provided with portion 99 and push to the position is set, be in the portion that is provided with that changes the position and ended, remain on this position by above-mentioned retainer card.Can use various structures as above-mentioned retainer, for example allow from changing the position simple in structure, very effective to being composed of being provided with that the position moves with the flexible card claw stop that forms taper.
Changing the position, as shown in the figure, toner container 80 parts are positioned at the outside of the lateral surface of copying machine body 100, and toner container 80 is outstanding from the lateral surface of copying machine body 100, and it is good to change operation.
The above-mentioned portion 99 that is provided with leans against nip side plate 230 privately with powder pump 70, secondary hopper 61, and the toner transfer tube 178 of connection nozzle 190 and powder pump 70 is connected nozzle 190 and powder pump 70 by the through hole (not diagram) of side plate 230.At this moment, portion 99 is set the position is being set and is changing between the position and swing, as mentioned above, toner transfer tube 178 is flexible tubings, and its length has leeway for above-mentioned swing, can not move problems such as generator tube breakage because of portion 99 is set.But, if its length is long, tangle other parts when assembling or when changing toner container, cause easily that pipe comes off or infringement such as warpage.By above-mentioned through hole is located at revolving shaft 231 near, moving of pipe is few, also can make surplus few.
The portion that is provided with 99 of above-mentioned formation, support body 221 is taken in toner container 80Y, 80M, 80C, 80Bk, the toner container of four different colours can be provided with the position and change between the position and move simultaneously, also can be set to independent separately.In the present embodiment, as shown in figure 23, support body 221 comprises 221a and 221b, and above-mentioned support body 221a is used to be provided with the toner container 80Bk that black is used, and above-mentioned support body 221b is used to be provided with the toner container 80Y of colored usefulness, 80M, 80C.Therefore, change a color toner accommodating container occasion, three toner containers move to from regular position simultaneously changes the position, changes one of them.During replacing, as shown in figure 21, take out toner container 80 along the arrow P direction, the contrary direction along arrow P is inserted into new toner container in the support body 221 again.
In above-mentioned color copy machine, use up etc. when changing toner container 80 because of toner, both can open does not have illustrated protecgulum, and the replacing special cap that toner container also can be set is changed.Set for if open above-mentioned protecgulum does not carry out image and forms action, still, the above-mentioned toner container replacing special cap that is provided with is changed the pattern occasion, even open this lid also can be carried out image and form action.
So open above-mentioned toner container is changed special cap and changed occasion, in the device of present embodiment, is provided with secondary hopper 61,, also can carry out image and form action even toner container 80 has been electrical condenser.Therefore, even receive the signal that toner container 80 has been electrical condenser, image forms action and does not also interrupt, need to represent replacing information at operating portion, if change toner container 80, in this device,, portion 99 is in the replacing position even being set, as long as be provided with toner container 80, just can pass through powder pump 70 supply toners.Therefore, can not use up interrupt images and form action, can move continuously, improve operation because of the toner of toner container 80.
In the present embodiment, even being set, portion 99 is in the replacing position, as long as be provided with toner container 80, just can pass through powder pump 70 supply toners, utilize said structure, one is provided with toner container 80, make powder pump 70 move at once, whether monitor and like this, also can detect the supply toner toner container 80 and whether to be provided with bad.
Above with reference to description of drawings embodiments of the invention, but the present invention is not limited to the foregoing description.Can do all changes in the technology of the present invention thought range, they all belong to protection scope of the present invention.
Claims (12)
1. image processing system is provided with:
Developing apparatus, but carry out the video processing to being formed on as the electrostatic latent image on the mounting body;
Toner container is taken in the toner that carries out supply to above-mentioned developing apparatus;
Toner supply device carries out supply with the toner that is accommodated in the above-mentioned toner container to above-mentioned developing apparatus; It is characterized in that:
On image forming device body, be provided with support unit, releasably support above-mentioned toner container, this support unit can be provided with the position and change slippage between the position by along continuous straight runs, the above-mentioned position that is provided with is meant that above-mentioned toner container is set at the position in the image forming device body, and above-mentioned replacing position is meant that relative image forming device body loads and unloads the position of above-mentioned toner container.
2. according to the image processing system described in the claim 1, it is characterized in that, above-mentioned support unit the position is set below the guidance panel of image forming device body, this guidance panel front is arranged on the upper face side of image forming device body.
3. according to the image processing system described in the claim 2, it is characterized in that, above-mentioned support unit is in when changing the position, and at least a portion that is supported in the above-mentioned toner container in the above-mentioned support unit is projected into the foreign side of the lateral surface of image forming device body.
4. image processing system according to claim 1, it is characterized in that, above-mentioned toner supply device is provided with nozzle and flexible toner supply passage, and said nozzle and above-mentioned toner container continue, and above-mentioned toner supply passage connects said nozzle and developing apparatus.
5. image processing system according to claim 4, it is characterized in that, above-mentioned toner container comprises the bag that is used to take in toner, and the bayonet socket parts that are located at this bag bottom, above-mentioned bayonet socket parts are provided with the toner discharge portion, by said nozzle being connected to above-mentioned bayonet socket parts, above-mentioned toner supply device becomes can be with the supply state of the toner supply developing apparatus of toner container.
6. image processing system according to claim 4 is characterized in that, by above-mentioned toner container is inserted above-mentioned support unit, or unloads this toner container from above-mentioned support unit, and said nozzle and above-mentioned bayonet part branch continue or disconnect.
7. image processing system according to claim 4 is characterized in that, the position is being set and is changing moving of position by the above-mentioned support unit that above-mentioned toner container is housed, and said nozzle and above-mentioned bayonet socket parts continue or disconnect.
8. image processing system according to claim 7, it is characterized in that, be provided with switch block, the toner discharge portion that is used for the above-mentioned toner container of switch, replacement by this switch block and said nozzle, close or open toner discharge portion, above-mentioned switch block moves between off-position and release position.
9. image processing system according to claim 8 is characterized in that, is provided with interlinked mechanism at above-mentioned support unit, inserts with said nozzle or unloads interlock, makes above-mentioned switch block move between off-position and release position.
10. image processing system according to claim 1, it is characterized in that, above-mentioned toner supply device comprises helicoidal pump, this helicoidal pump is provided with the stator of rotor and elastomeric element, the inner spiral groove that forms of said stator, above-mentioned rotor makes toner move vertically in stator interior by revolution, above-mentioned helicoidal pump produces negative pressure, and the toner in the above-mentioned toner container is carried out supply to developing apparatus.
11. image processing system according to claim 4 is characterized in that, above-mentioned toner supply passage constitutes by the some feed channels of connection portion, and the connecting portion of feed channel portion is located near the above-mentioned swing fulcrum.
12. the image processing system according to described in the claim 11 is characterized in that, at least one the material that constitutes in the some feed channels portion of above-mentioned feed channel is different with other feed channel portions.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003038211A JP3741691B2 (en) | 2002-04-12 | 2003-02-17 | Image forming apparatus |
| JP038211/03 | 2003-02-17 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101010182A Division CN100350330C (en) | 2003-02-17 | 2003-10-10 | Image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101042559A true CN101042559A (en) | 2007-09-26 |
| CN100552565C CN100552565C (en) | 2009-10-21 |
Family
ID=34308297
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101010182A Expired - Lifetime CN100350330C (en) | 2003-02-17 | 2003-10-10 | Image forming apparatus |
| CNB2007100917491A Expired - Fee Related CN100552565C (en) | 2003-02-17 | 2003-10-10 | Image processing system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101010182A Expired - Lifetime CN100350330C (en) | 2003-02-17 | 2003-10-10 | Image forming apparatus |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100523346B1 (en) |
| CN (2) | CN100350330C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7904005B2 (en) | 2009-02-26 | 2011-03-08 | Fuji Xerox Co., Ltd. | Image forming apparatus |
| JP5740874B2 (en) | 2009-09-15 | 2015-07-01 | 株式会社リコー | Image forming apparatus and medium storage container |
| JP5003780B2 (en) * | 2010-03-24 | 2012-08-15 | コニカミノルタビジネステクノロジーズ株式会社 | Developing device and image forming apparatus |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0720702A (en) * | 1993-06-30 | 1995-01-24 | Ricoh Co Ltd | Toner replenishing device |
| JPH08314246A (en) * | 1995-05-16 | 1996-11-29 | Mita Ind Co Ltd | Toner cartridge for image forming device |
| JP3217250B2 (en) * | 1995-09-21 | 2001-10-09 | 株式会社リコー | Developer supply device |
| JPH10207204A (en) * | 1997-01-16 | 1998-08-07 | Mita Ind Co Ltd | Toner replenishing device for image forming machine |
| KR100324102B1 (en) * | 1998-01-26 | 2002-02-20 | 이토가 미찌야 | Improved toner supplying device and image forming apparatus using same toner supplying device |
| JP3450757B2 (en) * | 1998-09-22 | 2003-09-29 | キヤノン株式会社 | Toner supply container |
| JP3940559B2 (en) * | 2000-02-17 | 2007-07-04 | 株式会社リコー | Toner storage container |
| EP1229402B1 (en) * | 2001-01-31 | 2012-05-30 | Ricoh Company, Ltd. | Toner container and image forming apparatus using the same |
-
2003
- 2003-10-09 KR KR10-2003-0070264A patent/KR100523346B1/en active IP Right Grant
- 2003-10-10 CN CNB2003101010182A patent/CN100350330C/en not_active Expired - Lifetime
- 2003-10-10 CN CNB2007100917491A patent/CN100552565C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1523456A (en) | 2004-08-25 |
| KR100523346B1 (en) | 2005-10-24 |
| CN100350330C (en) | 2007-11-21 |
| CN100552565C (en) | 2009-10-21 |
| KR20040074900A (en) | 2004-08-26 |
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Granted publication date: 20091021 Termination date: 20181010 |