CN101639657B - Toner recovery unit and image forming device - Google Patents

Toner recovery unit and image forming device Download PDF

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Publication number
CN101639657B
CN101639657B CN2009101650260A CN200910165026A CN101639657B CN 101639657 B CN101639657 B CN 101639657B CN 2009101650260 A CN2009101650260 A CN 2009101650260A CN 200910165026 A CN200910165026 A CN 200910165026A CN 101639657 B CN101639657 B CN 101639657B
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China
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mentioned
recovery unit
parts
toner recovery
moving
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Expired - Fee Related
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CN2009101650260A
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Chinese (zh)
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CN101639657A (en
Inventor
中泽进二
门胁英明
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Sharp Corp
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Sharp Corp
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Priority claimed from JP2008192938A external-priority patent/JP4637215B2/en
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Abstract

This toner recovery unit is detachable installed to an image forming device, and includes a waste toner storage tank, a frame, opening/closing members, and a shift member. The frame is formed with discharge outlets and with a discharge passage which communicates those discharge outlets to the waste toner storage tank. The opening/closing members are rotated to opened positions in which they communicate the discharge outlets to the discharge passage, and to closed positions in which they interrupt such communication. And, along with the shift member shifting from an engagement release position in which its end portion does not engage with a fixing knob to an engagement position in which it engages the fixing knob, it rotates the opening/closing members from their opened positions to their closed positions.

Description

Toner recovery unit and image processing system
Technical field
The present invention relates to a kind of toner recovery unit and image processing system.
Background technology
Generally speaking, image processing system has in the transfer process of being recovered in and to use and the toner recovery unit of the used toner of deterioration.Above-mentioned toner recovery unit can be installed on the agent set with freely loading and unloading, when the toner that reclaims reaches a certain amount of and when maintenance from the agent set dismounting and change.
As existing toner recovery unit,, have used toner returnable, fixed bar, baffle plate, force application spring as the record of TOHKEMY 2005-077513 communique.The used toner returnable stores used toner.Fixed bar optionally is fixed on the used toner returnable on the agent set.Baffle plate opens and closes the escape hole of the used toner on the agent set.Force application spring from open position to off-position to the baffle plate application of force.
If the used toner returnable is pressed into agent set, then owing to the application of force of force application spring, baffle plate moves to open position from off-position.In the receiver hole of the used toner returnable position relative, the used toner returnable is fixed on the agent set by fixed bar with the escape hole of agent set.
But, in the toner recovery unit shown in the patent documentation 1, when on agent set, the used toner returnable being installed, must resist the application of force of force application spring and be pressed into the used toner returnable, and carry out having the problem of complicated operation by the fixedly operation of used toner returnable of fixed bar.
In addition, owing at receiver hole baffle plate is not set, the used toner that is stored in the reservoir during therefore from agent set dismounting used toner returnable overflows from receiver hole easily.
Summary of the invention
The object of the present invention is to provide a kind of toner recovery unit and image processing system, can store the fitting operation of reservoir on agent set of used toner easily, and can prevent that used toner from spilling from reservoir.
A kind of toner recovery unit of the present invention, be installed in the escape hole that is provided with the discharge toner with freely loading and unloading and reach on the agent set of the buckling parts that fastens with toner recovery unit, and have reservoir, frame parts, first switching parts and the moving-member.Reservoir stores toner.Frame parts forms the drain passageway that escape hole is connected with reservoir.First opens and closes parts at the open position that escape hole is communicated with drain passageway with escape hole with between the off-position that drain passageway is communicated with is not shifted.Moving-member along with moving and from fasten remove the position to closed position to the locked part application of force, and make first to open and close parts and be shifted to open position from off-position.
Description of drawings
Fig. 1 is the integrally-built figure of image processing system in front elevation that expression an embodiment of the invention relate to.
Fig. 2 is the skeleton view of structure of the image processing system integral body of the expression state of having dismantled front panel.
Fig. 3 is the state of toner recovery unit has been dismantled in expression from positioning unit figure.
Fig. 4 is the skeleton view of the structure of expression toner recovery unit front face side.
Fig. 5 is the skeleton view of the inner structure of expression toner recovery unit front face side.
Fig. 6 is the figure of expression operating position structure of moving-member periphery when first operating position.
Fig. 7 is the skeleton view of the structure of expression toner recovery unit rear side.
Fig. 8 (A) is the following figure that opens and closes the structure of parts periphery of state that the expression operating portion rotates to first operating position.Fig. 8 (B) is the following figure that opens and closes the structure of parts periphery of state that the expression operating portion rotates to second operating position.
Fig. 9 (A) is the cut-open view of A-A line among Fig. 8 (A).Fig. 9 (B) is the cut-open view of B-B line among Fig. 8 (B).
Figure 10 (A) is the figure that is illustrated in operating position structure of restrictions 35D periphery when first operating position under the state that toner recovery unit is not installed on the positioning unit.Figure 10 (B) is the state of toner recovery unit has been installed in expression at positioning unit from the state shown in Figure 10 (A) figure.
Figure 11 is the figure of the structure of image processing system in side view that the state of front panel has been opened in expression.
Figure 12 is the expression figure that operating portion and the position of abutting part in front elevation concern when having closed front panel.
Embodiment
Below, detailed description has the image processing system of the toner recovery unit of embodiment of the present invention with reference to accompanying drawing.
As shown in Figure 1, agent set of the present invention is that image processing system 100 mainly comprises image forming part 110 and manuscript reading section 120, carries out polychrome and monochromatic print processing according to view data on paper.
Manuscript reading section 120 is configured in the top of image forming part 110, comprises original tray 91, document board 92 and 93, discharge dish 94.Manuscript reading section 120 reads by manual operation and is placed on the original copy on the document board 92 or coils 94 transport process image by the original copy of document board 93 from original tray 91 to discharge.
Image forming part 110 is contained in the framework 130, comprises that image forms station 111A~111D, exposing unit 1, intermediate transfer belt unit 6, fixation unit 7, toner recovery unit 30, positioning unit 40, paper feeding cassette 81, row's paper disc 91 etc.Image forming part 110 is printing processing from paper feeding cassette 81 to the paper that paper transport path 112 provides.
Image forms each form and aspect that station 111A~111D corresponds respectively to black, cyan, magenta, yellow.Image forms station 111A and comprises developer 2, photosensitive drums 3, clearer 5 and charged device 5.Photosensitive drums 3 is formed with photographic layer on the surface of the cylindrical base member of electric conductivity, the clockwise direction rotation in Fig. 1.Charged device 5 is the charged devices that make the charged equably charge type for predetermined potential in the surface of photosensitive drums 3.Developer 2 is supplied with the toner of black to the surface of photosensitive drums 3.Clearer 4 reclaims the lip-deep used toner that remains in photosensitive drums 3, and discharges via conduit 4A.
Exposing unit 1 comprises laser injection part and catoptron etc., by the laser of modulating with the view data of black charged photosensitive drums 3 is exposed, and forms electrostatic latent image on the surface of photosensitive drums 3.Electrostatic latent image is the toner image of black by the toner development of supplying with from developer 2.
The structure that image forms station 111B~111D is identical with image formation station 111A.Image forms station 111B~111D and shines the laser of the view data modulation of each form and aspect of using cyan, magenta, yellow respectively from exposing unit 1, thereby forms the toner image of each form and aspect of cyan, magenta, yellow.
Intermediate transfer belt unit 6 is configured in the top of photosensitive drums 3, comprises intermediate transfer belt 61, driven roller 62, driven voller 63, intermediate transfer rollers 64 and clearer 65.Intermediate transfer rollers 64 forms station 111A~111D configuration accordingly respectively with each image, will form the toner image that forms among the 111A~111D of station at each image and be transferred to intermediate transfer belt 61.Clearer 65 is discharged the used toner that remains on the intermediate transfer belt 61 via conduit 65A.
Paper feeding cassette is used for the paper that image forms 81 stacked holding, and is installed in the downside of exposing unit 1.Also can manually place the paper that is used for image formation in the paper feeding cassette 82.
Be provided with in the image forming part 110 be used for paper feeding cassette 81 or manually the paper of paper feeding cassette 82 via the paper transport path 112 of transfer roll 10 and fixation unit 7 row's of being sent to paper discs 91.The row's paper disc 91 that is arranged on image forming part 110 tops holds and has carried out image by image forming part 110 and form the paper of handling.On paper transport path 112, from the upstream side of paper conveyance direction downstream side dispose successively pick- up roller 11A and 11B, transfer roller to 12A, registration roller to 13, transfer roll 10, fixation unit 7 and transfer roller be to 12B.
Pick-up roller 11A is arranged near the end of paper feeding cassette 81, picks up paper one by one and to paper transport path 112 guiding from paper feeding cassette 81.Pick-up roller 11B is arranged near the end of manual paper feeding cassette 82, picks up paper one by one and to paper transport path 112 guiding from manual paper feeding cassette 82.
Registration roller to 13 temporary transient keep paper after, with the front end of paper under the contact position of transfer roll 10 and intermediate transfer belt 6 with intermediate transfer belt 6 on the consistent sequential of the front end of toner image transmit this paper.
The toner image that transfer roll 10 will be carried on the intermediate transfer belt 6 is transferred on the printing surface of paper.
Fixation unit 7 is configured in the top of transfer roll 10, comprises warm-up mill 71 and backer roll 72, and heating and pressurization transfer printing have the paper of toner image and make toner image on paper surface.
Framework 130 comprises the front panel 131 relative with toner recovery unit 30.Front panel 131 is exterior members of the present invention, and being supported for to be that basic point opens and closes to front face side with two lower ends of length direction.Front panel 131 can cover the hidden position of toner recovery unit 30 and not cover between the release position of toner recovery unit 30 and be shifted when toner recovery unit 30 is installed.Thus, can open front panel 131 and on image forming part 110, load and unload toner recovery unit 30.In addition, also can be supported for to be that basic point opens and closes to front face side with the side end of the direction of intersecting with length direction to front panel 131.
Fig. 2 is the skeleton view of structure of image processing system 100 integral body of the expression state of having pulled down front panel 131.Fig. 3 is the state of toner recovery unit 30 has been pulled down in expression from positioning unit 40 a enlarged drawing.
Switching parts 50 rotatably embed the front end of the front face side of conduit 4A, switch the open and-shut mode of conduit 4A.Switching parts 65B rotatably embeds the front end of the front face side of conduit 65A, switches the open and-shut mode that is arranged on the escape hole on the conduit 65A.Under the state of having pulled down toner recovery unit 30, switching parts 50 and switching parts 65B are positioned at the off-position that makes each conduit 4A, conduit 65A keep closed condition.Switching parts 50,65B are equivalent to of the present invention second and open and close parts.Under the situation of the open and-shut mode that does not need to switch each conduit 4A, 65A, also can omit and open and close parts 50,65B.
Positioning unit 40, in the front face side of exposing unit 1, developer 2, photosensitive drums 3, cleaning unit 4, charged device 5 and intermediate transfer belt cleaning unit 65, being supported for to be that basic point is to the front sideway swivel with two bottoms of length direction.Positioning unit 40 is provided with fastening hole 40A, fixed handle 40B, fixed handle (buckling parts) 40C, jut 40D.Fastening hole 40A, fixed handle 40B, 40C are the parts that will be installed in toner recovery unit 30 fastenings of front face side and locate.
Fig. 4 is the skeleton view of observing from the front face side of toner recovery unit 30.Fig. 5 is the skeleton view of the inner structure of expression toner recovery unit 30 front face side.Fig. 6 is the figure of the structure of expression moving-member 35 peripheries shown in Figure 5.Fig. 7 is the skeleton view of observing from the rear side of toner recovery unit 30.
Toner recovery unit 30 comprises and covers 31, operating portion 32, used toner storage bin 33, moving-member 35, opens and closes parts (first opens and closes parts) 36 and 37, framework 38, can be installed on the positioning unit 40 with freely loading and unloading.
Operating portion 32 is installed in the front surface of framework 38 with rotating freely.Moving-member 35 can be installed in the front surface of framework 38 along the arrow directions X with moving freely.Used toner storage bin 33 is arranged on the bottom of framework 38.At the back side of framework 38, be provided with buckling parts 39B, 39C at the both ends of arrow directions X.
When being installed in toner recovery unit 30 on the positioning unit 40, make buckling parts 39B, 39C respectively from front face side and fixed handle 40B, 40C fastening, toner recovery unit 30 is installed in makes each conduit 4A, conduit 65A and each open and close parts 37, open and close on the installation site of being scheduled to that parts 36 are connected.Thus, can open and close parts 37 with each at each conduit 4A, conduit 65A, open and close under the state that parts 36 are connected respectively toner recovery unit 30 is supported on the positioning unit 40.In addition, toner recovery unit 30 has a plurality of switching parts in the present embodiment, but as long as toner recovery unit 30 has plural at least switching parts.
In framework 38, be formed with Fig. 8~drain passageway SP shown in Figure 10.Drain passageway SP makes to open and close the gap that parts 36,37 are communicated with used toner storage bin 33, forms to the almost whole width that runs through framework 38 the used toner storage bin 33 reaching the allocation position that respectively opens and closes parts 37 from switching parts 36.Drop in the used toner storage bin 33 via discharge path SP from the toner that opens and closes parts 36,37 discharges of switching parts.
Opening and closing parts 36 connects the discharge path SP that framework 38 forms and can be supported near the buckling parts 39C top position rotatably from front side direction rear side.Opening and closing parts 36 is supported for and can and conduit 65A with between the off-position that drain passageway SP is communicated with is not rotated at the open position that conduit 65A is communicated with drain passageway SP.
Open and close parts 37 from beginning alongst to dispose four with switching parts 36 position adjacent.Switching parts 37 similarly connect drain passageway SP with switching parts 36 and can be supported on respectively on the framework 38 rotatably.Opening and closing parts 37 is supported for and can and conduit 4A with between the off-position that drain passageway SP is communicated with is not rotated at the open position that conduit 4A is communicated with drain passageway SP.
Used toner storage bin 33 is to store the reservoir that reaches the toner that respectively opens and closes parts 37 discharges via switching parts 36.Length direction two ends at used toner storage bin 33 are provided with teat 33A.Two ends dispose the 130A of fastening portion, 130B respectively below the front face side of positioning unit 40.The 130A of fastening portion, 130B surface thereon are provided with the recess of the arcuation of fastening teat 33A respectively.Thus, when being installed in toner recovery unit 30 on the positioning unit 40, the bottom is supported on the 130A of fastening portion, the 130B.In addition, in Fig. 2, omitted the diagram of the 130A of fastening portion, 130B.
By two ends teat 33A is set in used toner reservoir 33, can also obtain with toner recovery unit 30 from positioning unit 40 dismounting and during hand-held carrying the operator control the effect of toner recovery unit 30 easily.
In addition, in the present embodiment, the side among the teat 33A be configured in operating portion 32 under near.Therefore, the operator after being installed in toner recovery unit 30 on the positioning unit 40, can be rotated operation to the operating portion directly over being disposed at 32 controlling teat 33A immediately.Its result also can obtain more successfully to carry out the effect of the installation exercise of toner recovery unit 30.
In the present embodiment, illustrated that toner recovery unit 30 is provided with the example of teat 33A, but also can teat 33A be set according to the specification of toner recovery unit 30.In addition, also can only teat 33A be set in any one party.
Operating portion 32 is the operating handles cylindraceous that can be supported on rotatably between second operating position shown in first operating position shown in the solid line and the dotted line on the framework 38.Operating portion 32 is configured to connect framework 38 from front side direction rear side.Rear side front end at operating portion 32 is provided with the 32A of fastening portion outstanding in X-Y plane.
When being installed in toner recovery unit 30 on the positioning unit 40, the 32A of fastening portion can on the Z direction, plug ground chimeric with fastening hole 40A, and then operating portion 32, is being fastened with fastening hole 40A during to the second operating position rotary manipulation from first operating position.Thus, can prevent that toner recovery unit 30 from coming off.
Moving-member 35 be configured in open and close parts 36,37 under, along with the rotation of operating portion 32 is moved and moved to directions X.Be positioned at operating portion 32 under the state of first operating position shown in Figure 5, moving-member 35 is positioned at leading section 35A and does not remove the position with the fastening that fixed handle 40C fastens.And at operating portion 32 during to second operating position shown in dotted lines in Figure 5 rotation, moving-member 35 closed position of forward end 35A and the fastening hole 40H fastening of fixed handle 40C on directions X moves.In addition, moving-member 35 is provided with restrictions 35D in the position near leading section 35.The locational framework 38 relative with restrictions 35D was provided with the through hole 38A that connects drain passageway SP when operating portion 32 was positioned at first operating position.Moving-member 35 alongst upper surface is provided with sawtooth (Gear, drive division) 35G respectively accordingly with switching parts 36,37.On the other hand, on the periphery that opens and closes parts 36,37, be respectively arranged with sawtooth (being driven portion) 36G, the 37G that can separate engagement ground and each sawtooth 35G engagement.
Each sawtooth 35G is separately positioned on following position: under the state that leading section 35A does not fasten with the fastening hole 40H that is arranged on the fixed handle 40C, not with sawtooth 36G, 37G position engaged.Along with moving-member 35 is removed the position to fixed handle 40C side shifting from fastening, leading section 35A moves to after the closed position that fastens with fixed handle 40C, moving-member 35 is further to fixed handle 40C side shifting, and each sawtooth 35G and sawtooth 36G, 37G mesh.Make with each sawtooth 35G of sawtooth 36G, 37G engagement and to open and close parts 36,37 and rotate to open position from off-position.Thus, can carry out the fixedly action of toner recovery unit 30 on positioning unit 40 and the on-off action of switching parts 36,37 by an action with the shift action interlock of moving-member 35.
Like this, along with moving-member 35 to fixed handle 40C side shifting, leading section 35A and fixed handle 40C fasten and after fixing, can make to open and close parts 36,37 and rotate to open position from off-position.Therefore, even moving-member 35 is out of shape because of the application of force that is subjected to opening and closing parts 36,37, because moving-member 35 fastens with fixed handle 40C, therefore also can keep the buckling state of moving-member 35 and fixed handle 40C, and make switching parts 36,37 rotate to open position.
In addition, illustrated that in the present embodiment the shift action along with moving-member 35 carries out the fixedly action of toner recovery unit 30 on positioning unit 40 and the on-off action of switching parts 36,37, but the present invention is not limited to this.For example, when the said fixing action of carrying out in addition toner recovery unit 30 respectively, also can be only will open and close the shift action interlock of the on-off action of parts 36,37 and moving-member 35 and carry out.
In the present embodiment, illustrated that moving-member 35 is opening and closing parts 36,37 from the example of off-position to the open position rotation along with making after fastening to fixed handle 40C side shifting and with fastening hole 40H.But the present invention is not limited to this.For example, if make switching parts 36,37 leading section 35A successfully be fastened with fastening hole 40H from the distortion of off-position moving-member 35 when open position rotates, then also can make moving-member 35 will open and close parts 36,37 and rotate to open position, and moving-member 35 and fastening hole 40H are fastened from off-position.In addition, also can make open and close parts 36,37 from off-position after the open position rotation, moving-member 35 and fastening hole 40H are fastened.
In addition, in the buckling parts 39C of each sawtooth 35G one side, be respectively arranged with butt sheet 35B across predetermined interval.At this, predetermined interval is set at following position: along with operating portion 32 from second operating position to the first operating position sideway swivel, each sawtooth 35G separate with sawtooth 36G, 37G when engagement butt sheet 35B with the 36H of fastening portion, 37H butt respectively, moving-member 35 moves to fasten and removes behind the position switching parts 36,37 to the off-position application of force.Thus, along with operating portion 32 moves to first operating position from second operating position, can make via moving-member 35 to open and close parts 36,37 and rotate to off-position from open position.In addition, illustrated that in the present embodiment moving-member 35 makes the example that opens and closes parts 36,37 rotation drivings via sawtooth, but moving-member 35 also can drive 36,37 rotations of switching parts via the sliding part that slides.
Moving-member 35 is provided with sawtooth 35H along the lower end of the end side of separating with leading section 35A.The side face of operating portion 32 is provided with the sawtooth 32G with sawtooth 35H engagement.Thus, along with the rotation of operating portion 32 between first operating position and second operating position, moving-member 35 is moved to directions X.In addition, the example that moving-member 35 is moved to directions X along with the rotary manipulation of operating portion 32 has been described in the present embodiment, but also can not use operating portion 32 and to moving-member 35 directly to the directions X application of force.
In addition, in the present embodiment, operating portion 32 with open and close parts 36,37, be to clip moving-member 35 on the directions X Y direction of intersecting and dispose respectively at moving direction with moving-member 35.Thus, though moving-member 35 along with the rotary manipulation of operating portion 32 by the application of force upward, also can be moved upward, and moving-member 35 is successfully moved to directions X by opening and closing parts 36,37 restriction moving-members 35.
In the present embodiment, make the leading section 35A of moving-member 35 and fixed handle 40C fasten and make moving-member 35 and fixed handle 40C to fasten, still for example also can constitute leading section 35A and moving-member 35 by different parts.
In addition, moving-member 35 is disposed at the front face side of opposition side of face of the formation drain passageway SP of framework 38.Thus, can obtain following effect: prevent to be attached to moving-member 35, and prevent that sawtooth 35G from can't successfully mesh with sawtooth 36G, 37G because of the toner that is attached to moving-member 35 by the toner of drain passageway SP.
In the present embodiment, illustrated that moving-member 35 is supported for the example that can move to directions X on the front surface of the framework 38 that has covered drain passageway SP.But the present invention is not limited to this.For example, when switching parts 36,37 can successfully carry out on-off action by moving-member 35, moving-member 35 also can be disposed at the position of passing through in drain passageway SP.
At this, the length direction along framework 38 on framework 38 is provided with five jut 38G, and with the moving-member 35 relative position of this jut 38G under the switching parts 36,37 of framework 38 is side-prominent to the front respectively to be cylindric.
On the other hand, on moving-member 35, be provided with elongated slot 35L below each sawtooth 35G, jut 38G fastens with elongated slot 35L to directions X respectively with moving freely.The length of elongated slot 35L on directions X is set to, operating portion 32 from first operating position when the second operating position rotary manipulation moving-member 35 more than the displacement on the directions X.The length of each elongated slot 35L on the Y direction is set to, and slightly is longer than the diameter of jut 38G.
Therefore, can limit each sawtooth 35G and with each sawtooth 36G, 37G engagement the time, be opened and closed parts 36,37 application of forces and downward side shifting.Thus, can also obtain to prevent that the engagement of each sawtooth 35G and sawtooth 36G, 37G from departing from.
In the present embodiment, illustrated open and close on the moving-member 35 parts 36,37 under the example that elongated slot 35L is set respectively, jut 38G is fastened with each elongated slot 35L respectively.But the present invention is not limited to this.For example, if can fully obtain to prevent the effect of moving-member 35 downward side shiftings, then also can only in switching parts 36,37, be positioned at framework 38 length direction central authorities switching parts 37 under elongated slot 35L and jut 38G are set.
Lid 31 cover whole of toner recovery units 30 with airtight toner recovery unit 30 except the used toner storage bin 33 of front face side and the part the operating portion 32.Thus, can prevent effectively that toner from spilling to the outside from opening and closing parts 36,37 peripheries.In addition, illustrated in the present embodiment to use and cover 31 example, still also can not use and cover 31 according to the specification of toner recovery unit 30.
Fig. 8 (A) is that expression toner recovery unit 30 is installed in the figure that opens and closes parts 37 when operating portion 32 is positioned at first operating position under the state on the positioning unit 40 and open and close the structure of parts 50 peripheries.Fig. 8 (B) is that expression toner recovery unit 30 is installed in the figure that opens and closes parts 37 when operating portion 32 is positioned at second operating position under the state on the positioning unit 40 and open and close the structure of parts 50 peripheries.In Fig. 8 (A), (B), omitted the diagram of moving-member 35.Fig. 9 (A) is the figure of the section on the expression A-A section.Fig. 9 (B) is the figure of the section on the expression B-B section.At this, the structure that opens and closes parts 36 and switching parts 65B periphery is roughly the same with the structure that opens and closes parts 37 and switching parts 50 peripheries, therefore omission explanation.
All basifacials at conduit 4A are provided with escape hole 4E.Open and close parts 37, be equipped with on the positioning unit 40 under the state of toner recovery unit 30, be provided with the peristome 37A shown in the dot-and-dash line with the side face of the coaxial position of escape hole 4E.
Open and close parts 50, be equipped with on the positioning unit 40 under the state of toner recovery unit 30, be provided with the peristome 50A shown in the dotted line among Fig. 9 (A) with the side face of the coaxial position of escape hole 4E, and be provided with in the previous section of circle and form rectangular-shaped teat 50B.On the other hand, be provided with the fitting portion 37B chimeric in the position relative that opens and closes parts 37 with teat 50B with teat 50B.Fitting portion 37B only is formed with teat 50B and can plugs on the Z direction under the state that the opened and closed positions that opens and closes parts 37 and switching parts 50 is alignd.Thus, only under the open and-shut mode that opens and closes parts 37 situation consistent, toner recovery unit 30 can be installed on the positioning unit 40 with the open and-shut mode of switching parts 50.In addition, can make on-off action that opens and closes parts 50 and the on-off action interlock that opens and closes parts 37.
Shown in Fig. 8 (A), open and close parts 37,50 under the length direction of the teat 50B off-position parallel with the Y direction, peristome 37A, 50A are positioned at not handle 40B one side that is relatively fixed with escape hole 4E and drain passageway SP.Thus, escape hole 4E and drain passageway SP can be covered respectively, keep conduit 4A and the disconnected state of drain passageway SP.On the other hand, shown in Fig. 8 (B), open and close parts 37,50 under the length direction of the teat 50B open position parallel with directions X, peristome 37A, 50A are to the below rotation relative with escape hole 4E.Thus, escape hole 4E is open, conduit 4A is communicated with drain passageway SP.
Figure 10 (A) is illustrated in the figure of the periphery of restrictions 35D when operating portion 32 is positioned at first operating position under the state that toner recovery unit 30 is not installed on the positioning unit 40 in the structure of X-Z face.Figure 10 (B) is the state of toner recovery unit 30 has been installed in expression at positioning unit 40 from the state shown in Figure 10 (A) figure.
Restrictions 35D is arranged on tabular parts on the moving-member 35 to framework 38 side-prominently.Shown in Figure 10 (A), be positioned under the state of first operating position restrictions 35D and the 38B of the fastening portion fastening that is arranged on the framework 38 at operating portion 32.Therefore, do not installing on the positioning unit 40 under the state of toner recovery unit 30, can prevent that moving-member 35 from moving to directions X.Thus, from positioning unit 40 dismounting toner recovery units 30 time, can remain in off-position respectively with opening and closing parts 36,37.Its result, from positioning unit 40 dismounting toner recovery units 30 time, can prevent to open and close parts 36, open and close parts 37 respectively from off-position to the open position rotation and cause that the toner that is stored in the used toner storage bin 33 overflows.
On the other hand, be equipped with on the positioning unit 40 under the state of toner recovery unit 30, restrictions 35D by in through hole 38A to the jut 40D of the side-prominent positioning unit 40 in front to the front face side application of force to the position that does not fasten with the 38B of fastening portion.Thus, toner recovery unit 30 can be installed on positioning unit 40, and can remove the fastening of 38B of fastening portion and restrictions 35D.Therefore, along with the installation action of toner recovery unit 30 on positioning unit 40, can remove the fastening of moving-member 35 and framework 38.
Below, the fixedly action of toner recovery unit 30 when operating portion 32 is rotated operation is described under the state that toner recovery unit 30 is installed on positioning unit 40.
Be equipped with on the positioning unit 40 under the state of toner recovery unit 30, make operating portion 32 from first operating position when second operating position rotates, the 32A of fastening portion and fastening hole 40A fasten, and leading section 35A and fixed handle 40C fastening.Thus, toner recovery unit 30 can be fixed on the positioning unit 40.And then, make operating portion 32 from second operating position when first operating position rotates, the fastening between 32A of fastening portion and the fastening hole 40A is disengaged, and the fastening between fixed handle 40C and the leading section 35A is disengaged.Thus, can be from positioning unit 40 dismounting toner recovery units 30.
Its result can prevent to rotate at operating portion 32 that toner recovery unit 30 is removed from positioning unit 40 under the state of second operating position.
In addition, in the present embodiment, moving-member 35 is provided with restrictions 35D, but also can move as if moving-member 35 under the state that is not installed at toner recovery unit 30 on the positioning unit 40, then also restrictions 35D can be set.
Figure 11 is the skeleton diagram of the structure of image processing system 100 in side view that the state of front panel 131 has been opened in expression.Figure 12 is the figure that the position relation of abutting part 131A and operating portion 32 under the state of front panel 131 has been closed in expression.
Position relative with operating portion 32 when front panel 131 is closed is provided with abutting part 131A.When operating portion 32 was arranged in second operating position shown in Figure 12 solid line, abutting part 131A was relative with the sunk part of operating portion 32, and formed not the length with the sunk part butt of operating portion 32.Relative therewith, when operating portion 32 rotated to position beyond second operating position shown in the dotted line among Figure 12, abutting part 131A and the radial shape along operation 32 became the handle portion butt of linearity.Therefore, not making operating portion 32 under the state of second operating position rotation, can't close front panel 131.Thus, can prevent from do not make operating portion 32 under the situation of the operation of second operating position rotation, close front panel 131.Its result can prevent from not make switching parts 36,37 to close front panel 131 to the open position rotation.In addition, illustrated that in the present embodiment plate 131 in front is provided with the example of abutting part 131A, but when not needing the on-off action of the open and-shut mode restriction front panel 131 by operating portion 32, also abutting part 131A can be set.
The explanation of above-mentioned embodiment only is an example, does not carry out any qualification.Scope of the present invention is not limited to above-mentioned embodiment, but is shown in the scope of claim.And then scope of the present invention comprises the scope of claim and all changes in this scope.

Claims (9)

1. a toner recovery unit is installed on the agent set with a plurality of escape holes of discharging toner with freely loading and unloading, it is characterized in that, comprising:
Store the reservoir of toner;
Frame parts forms the drain passageway that above-mentioned escape hole is connected to above-mentioned reservoir;
Functional unit is supported in the said frame parts with moving freely between first operating position and second operating position;
A plurality of first opens and closes parts, is provided with accordingly respectively with above-mentioned a plurality of escape holes, at the open position that above-mentioned a plurality of escape hole is communicated with above-mentioned drain passageway with above-mentioned a plurality of escape hole with between the off-position that above-mentioned drain passageway is communicated with is not shifted; And
Moving-member along with the aforesaid operations parts move to above-mentioned first operating position from above-mentioned second operating position, makes above-mentioned a plurality of first switching parts be shifted to above-mentioned off-position from above-mentioned open position.
2. toner recovery unit according to claim 1 is characterized in that,
Also comprise locked part, this locked part be supported for can and the closed position that fastens of the buckling parts of aforementioned body device and and the fastening that fastens of above-mentioned buckling parts remove between the position and move,
Along with the aforesaid operations parts move to above-mentioned first operating position from above-mentioned second operating position, above-mentioned moving-member from above-mentioned fastening remove the position to above-mentioned closed position to the above-mentioned locked part application of force, and make above-mentioned first to open and close parts and be shifted to above-mentioned open position from above-mentioned off-position.
3. toner recovery unit according to claim 2 is characterized in that,
Above-mentioned moving-member makes the above-mentioned first switching parts be shifted to above-mentioned open position from above-mentioned off-position after above-mentioned closed position is to the above-mentioned locked part application of force.
4. toner recovery unit according to claim 1 is characterized in that,
Above-mentioned moving-member has restrictions, this restrictions when above-mentioned toner recovery unit is not installed on the aforementioned body device and the said frame parts fasten and limit above-mentioned moving-member and move, when above-mentioned toner recovery unit is installed on the aforementioned body device, remove fastening with the said frame parts.
5. toner recovery unit according to claim 2 is characterized in that,
Above-mentioned moving-member has restrictions, this restrictions when above-mentioned toner recovery unit is not installed on the aforementioned body device and the said frame parts fasten and limit above-mentioned moving-member and move, when above-mentioned toner recovery unit is installed on the aforementioned body device, remove fastening with the said frame parts.
6. toner recovery unit according to claim 3 is characterized in that,
Above-mentioned moving-member has restrictions, this restrictions when above-mentioned toner recovery unit is not installed on the aforementioned body device and the said frame parts fasten and limit above-mentioned moving-member and move, when above-mentioned toner recovery unit is installed on the aforementioned body device, remove fastening with the said frame parts.
7. according to each described toner recovery unit in the claim 1~6, it is characterized in that,
The said frame parts support aforesaid operations parts and above-mentioned a plurality of first with rotating freely and open and close parts, and freedom reciprocatingly supports above-mentioned moving-member,
Above-mentioned moving-member the rotation of aforesaid operations parts is moved be converted to move back and forth after, the moving back and forth to move as rotation of this moving-member passes to above-mentioned a plurality of first and opens and closes parts.
8. an image processing system carries out image with toner and forms processing, is provided with and discharges a plurality of escape holes that image forms the residual toner in processing back, and above-mentioned image processing system is characterised in that, comprising:
The described toner recovery unit of claim 1;
A plurality of conduits are respectively arranged with above-mentioned a plurality of escape hole and transmit toner; And
Second opens and closes parts, can at the open position of opening above-mentioned escape hole and to close between the off-position of above-mentioned escape hole displacement ground chimeric with above-mentioned a plurality of conduits, and only when above-mentioned toner recovery unit is installed under each other the situation of opened and closed positions unanimity, forming can be chimeric with the first switching parts of above-mentioned toner recovery unit, is shifted with the above-mentioned first switching parts interlock.
9. an image processing system carries out image with toner and forms processing, is provided with and discharges a plurality of escape holes that image forms the residual toner in processing back, and above-mentioned image processing system is characterised in that, comprising:
The described toner recovery unit of claim 5; With
Exterior member, be supported between the release position that can when above-mentioned toner recovery unit is installed, cover the hidden position of above-mentioned toner recovery unit and not cover above-mentioned toner recovery unit and be shifted, and be provided with abutting part, when above-mentioned hidden position is shifted, only be positioned under the situation of above-mentioned second operating position in aforesaid operations portion, this abutting part not with aforesaid operations portion butt.
CN2009101650260A 2008-07-28 2009-07-28 Toner recovery unit and image forming device Expired - Fee Related CN101639657B (en)

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