CN102621867A - Processing box - Google Patents
Processing box Download PDFInfo
- Publication number
- CN102621867A CN102621867A CN2012101009818A CN201210100981A CN102621867A CN 102621867 A CN102621867 A CN 102621867A CN 2012101009818 A CN2012101009818 A CN 2012101009818A CN 201210100981 A CN201210100981 A CN 201210100981A CN 102621867 A CN102621867 A CN 102621867A
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- Prior art keywords
- useless powder
- powder
- waste powder
- useless
- photosensitive drums
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Abstract
The invention aims at providing a processing box which is simple and compact in structure and small in moment required by movement of a waste powder conveying component. In order to achieve the target, the processing box disclosed by the invention comprises a photosensitive drum, a cleaning doctor blade in contact with the photosensitive drum, a waste powder bin used for containing waste powder removed by the cleaning doctor blade from the photosensitive drum, and a waste powder conveying member used for conveying the waste powder to the waste powder bin, wherein one end part of the photosensitive drum is provided with a driving gear, the waste powder conveying member is a rotating member arranged to be parallel to the axial line of the photosensitive drum, and a gear engaged with a driving gear of the photosensitive drum is arranged on the end part of the waste powder conveying member.
Description
Technical field
The present invention relates to a kind of handle box of used for electronic photography image forming apparatus.
Background technology
Electrophotographic image forming utilizes the electrofax principle, through overcharge, process such as exposure, development, transfer printing, photographic fixing, on media such as paper, form visual picture.In charging process, the surface of light activated element such as photosensitive drums is filled with predetermined electric charge equably through charging device such as charging roller; In exposure process, optionally made public in the light activated element surface, because the light sensitive characteristic of light activated element, will be by the electric charge of exposed areas by cancellation, thus the light activated element surface forms electrostatic latent image; In developing process, utilize developing apparatus such as developer roll to make the latent electrostatic image developing on the light activated element; In transfer process, transfer to the lip-deep developer of light activated element through transfer device such as transfer roll on the media such as paper; Make developer securely attached on the medium through fixing device then.Wherein the developer of light activated element remained on surface is removed by cleaning device, in order to avoid get into next imaging cycle, causes print defect.
In electrophotographic image forming, use the handle box of removably installing to carry out Flame Image Process usually.Generally comprise powder storehouse, waste powder hopper, photosensitive drums, developer roll, charging roller, cleaning blade etc. in the handle box, wherein hold the carbon dust of development usefulness in the powder storehouse, hold the useless powder of cleaning blade under removing from photosensitive drums in the waste powder hopper.Useless powder is deposited near the cleaning blade because useless powder has certain adhesiveness after removing down from photosensitive drums easily, influences follow-up useless powder transporting in waste powder hopper.For near the useless powder that will be deposited in the cleaning blade is transported in the waste powder hopper, is provided with useless powder in some handle boxes and transmits member.It is as shown in Figure 1 that existing a kind of useless powder transmits member, and cleaning blade 2` removes residual useless powder down from photosensitive drums 1`, transmits member 3` through useless powder then and in waste powder hopper 4`, carries useless powder.The rotary drive mechanism that useless powder transmits member 3` is arranged on holding away from photosensitive drums 1` of waste powder hopper 4`; Useless powder transmission member 3` moves along the forward/backward direction along the inner face of the support of cleaning blade 2`; Transmit member 3` (I, II position in like Fig. 1) when direction of retreat moves at useless powder and move contiguously, transmit member 3` (III, IV position in like Fig. 1) when working direction moves at useless powder and do not contact with the pruinescence that prevents to give up and push back to photosensitive drums 1` with useless powder with useless powder.It is also bigger that handle box parts with this structure are more, the waste powder hopper size big, useless powder transfer member moves required moment.
Summary of the invention
The purpose of this invention is to provide a kind of powder transfer member simple and compact for structure, useless little handle box of required moment that moves.
For realizing above-mentioned purpose, the present invention provides following scheme:
Handle box comprises that an end is provided with the photosensitive drums of driven wheel, the cleaning blade that contacts with photosensitive drums, holds the waste powder hopper of the useless powder of cleaning blade under removing from photosensitive drums and be used for transporting member to useless powder to the useless powder that waste powder hopper transports; It is the revolving member that is provided with the photosensitive drum shaft line parallel that wherein useless powder transports member, and its end is provided with and the photosensitive drum driving gear meshed gears.
Useless powder transports the contiguous photosensitive drums setting of member and is directly driven by photosensitive drum driving gear, makes the required parts of handle box less, and waste powder hopper also need not too big, and handle box is simple and compact for structure, and it is little that useless powder transmits the required moment of component movement.
More concrete scheme is that to transport member be a framework to useless powder.Useless powder transports member and is when frame-like is rotated it and can take back useless powder to photosensitive drums.
Scheme is that the xsect on each limit of framework is circular or oval more specifically.Prevent that further useless powder from sticking to useless powder and transporting on the member and taken back to photosensitive drums.
Further scheme is that to transport member be a bent axle to useless powder more specifically.Useless powder transports the structure of member further to be oversimplified.
Another more concrete scheme is transported in the member rotation process for useless powder, and the minimum spacing between cleaning blade is 0.5 ~ 2mm.Useless powder transmits member and contact with cleaning blade to avoid producing throat sound and reach the cleaning blade function is exerted an influence.
Another more concrete scheme is that handle box is provided with useless powder recovery machine structure.Through useless powder recovery machine structure useless powder is recycled in the powder storehouse of handle box, waste powder hopper can be arranged to less volume, further makes the compact conformation of handle box.
Description of drawings
Fig. 1 is the synoptic diagram of existing useless powder translator unit;
Fig. 2 is the stereographic map of the embodiment of the invention;
Fig. 3 is the cut-open view of the embodiment of the invention;
Fig. 4 is the structural drawing of the useless powder translator unit of the present invention;
Fig. 5 is the structural drawing that the useless powder of the present invention transmits member;
Fig. 6 is that the useless powder of the present invention transmits the structural representation that member becomes example;
Fig. 7 is the structural representation that the useless powder of the present invention transmits another change example of member.
Embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
As shown in Figures 2 and 3; Handle box comprises two interconnective box bodys 11 and 12, and photosensitive drums 1, cleaning blade 2, useless powder transport member 3, useless powder recovery machine structure 5, charging roller 6 and be installed on the box body 11, and have the waste powder hopper 4 that holds useless powder in the box body 11; Developer roll 7, powder feeding roller 8, puddle support 9 are installed on the box body 12; And have the powder storehouse 10 that holds carbon dust in the box body 12, it is a revolving member that wherein useless powder transports member 3, and its vertical two ends are rotatable to be supported on the box body 11.When handle box is mounted to electrophotographic image forming work; Through charging roller 6 is the surface charging of photosensitive drums 1; Photosensitive drums 1 surface forms electrostatic latent image after exposure; The carbon dust in powder storehouse 10 is sent on the developer roll 7 through puddle support 9 and powder feeding roller 8, and developer roll 7 makes the latent electrostatic image developing of photosensitive drums 1, and transfer roll in electrophotographic image forming and fixing device are photosensitive drums 1 lip-deep carbon dust image transfer printing and be fixed on the medium such as paper then.The useless powder of photosensitive drums 1 remained on surface is removed by cleaning blade 2 after the transfer printing; The rotation of transporting member 3 along with useless powder; Useless powder is sent to the other end of waste powder hopper 4 away from photosensitive drums 1, and useless powder recovery machine structure 5 is sent to the useless powder in the waste powder hopper 4 in the powder storehouse 10, to realize the utilization again of useless powder.
Fig. 4 transports the structural drawing of mutual relationship between the member 3 etc. for reflection photosensitive drums 1, cleaning blade 2, useless powder.As shown in Figure 4, cleaning blade 2 contacts under certain pressure with photosensitive drums 1, and the useless powder under removing is deposited in cleaning blade 2 and support 21 thereof the inside surface towards waste powder hopper; It is a bent axle that useless powder transports member 3; The gear 31 of its end meshes to receive rotary driving force with the driven wheel of photosensitive drums 1 end 13, and wherein the sense of rotation of photosensitive drums 1 and bent axle 3 is shown in the direction of arrow, when bent axle 3 rotates near cleaning blade 2; Bent axle 3 contacts with useless powder; And the useless powder that will be in contact with it along with the rotation of bent axle 3 pushes the end away from photosensitive drums 1 of waste powder hopper 4 to, when crankshaft rotating to away from the cleaning blade surface time, because the xsect of bent axle 3 be a circle or oval; Bent axle 3 breaks away from useless powder, can not push the powder that gives up to photosensitive drums 1.In rotary course; Bent axle 3 does not contact with cleaning blade 2; With the generation of avoiding throat sound and prevent that the ability of cleaning blade being removed useless powder on the photosensitive drums from exerting an influence, it goes to, and the distance apart from cleaning blade 2 is preferably 0.5mm to 2mm when cleaning blade 2 closest approaches.
Fig. 5 is the structural drawing of bent axle 3, it is understandable that, useless powder transports that member is not limited to the shape of bent axle 3 and is other shape; For example; Can be for a rectangular frame etc., Fig. 6 and Fig. 7 show useless powder respectively and transport two of member and become example, and preferably useless powder transports the xsect on each limit of member for circular or oval; Thereby transport that member rotates to and the powder that gives up when disengaging at useless powder, useless powder is difficult for resting on useless powder and transports on the member.
Claims (6)
1. handle box comprises
Photosensitive drums, the one of which end is provided with driven wheel;
Cleaning blade contacts with said photosensitive drums;
Waste powder hopper holds the useless powder of said cleaning blade under removing from said photosensitive drums;
Useless powder transports member, in said waste powder hopper, transports said useless powder;
It is characterized in that:
It is the revolving member that is provided with said photosensitive drum shaft line parallel that said useless powder transports member, and its end is provided with and said driven wheel meshed gears.
2. handle box according to claim 1 is characterized in that:
It is a framework that said useless powder transports member.
3. handle box according to claim 2 is characterized in that:
The xsect on each limit of said framework is circular or oval.
4. handle box according to claim 1 is characterized in that:
It is a bent axle that said useless powder transports member.
5. according to each described handle box of claim 1 to 4, it is characterized in that:
Said useless powder transports in the revolving member rotation process, and the minimum spacing between said cleaning blade is 0.5～2mm.
6. according to each described handle box of claim 1 to 4, it is characterized in that:
Be provided with useless powder recovery machine structure in the said waste powder hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101009818A CN102621867A (en) | 2012-04-06 | 2012-04-06 | Processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101009818A CN102621867A (en) | 2012-04-06 | 2012-04-06 | Processing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102621867A true CN102621867A (en) | 2012-08-01 |
Family
ID=46561842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101009818A Pending CN102621867A (en) | 2012-04-06 | 2012-04-06 | Processing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102621867A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1197230A (en) * | 1997-04-07 | 1998-10-28 | 佳能株式会社 | Toner frame and process cartridge |
| CN1837978A (en) * | 2005-03-25 | 2006-09-27 | 富士施乐株式会社 | Process cartridge and image forming apparatus using the same |
| CN1841229A (en) * | 2005-03-29 | 2006-10-04 | 富士施乐株式会社 | Development device, and process cartridge and image forming apparatus using the device |
| CN100538552C (en) * | 2006-04-04 | 2009-09-09 | 株式会社东芝 | Image forming apparatus and image forming method |
-
2012
- 2012-04-06 CN CN2012101009818A patent/CN102621867A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1197230A (en) * | 1997-04-07 | 1998-10-28 | 佳能株式会社 | Toner frame and process cartridge |
| CN1837978A (en) * | 2005-03-25 | 2006-09-27 | 富士施乐株式会社 | Process cartridge and image forming apparatus using the same |
| CN1841229A (en) * | 2005-03-29 | 2006-10-04 | 富士施乐株式会社 | Development device, and process cartridge and image forming apparatus using the device |
| CN100538552C (en) * | 2006-04-04 | 2009-09-09 | 株式会社东芝 | Image forming apparatus and image forming method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120801 |