CN201054078Y - Imaging processing box for laser printer - Google Patents
Imaging processing box for laser printer Download PDFInfo
- Publication number
- CN201054078Y CN201054078Y CNU2007200538838U CN200720053883U CN201054078Y CN 201054078 Y CN201054078 Y CN 201054078Y CN U2007200538838 U CNU2007200538838 U CN U2007200538838U CN 200720053883 U CN200720053883 U CN 200720053883U CN 201054078 Y CN201054078 Y CN 201054078Y
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- laser printer
- photosensitive drums
- imaging processing
- along
- processing box
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- Electrophotography Configuration And Component (AREA)
Abstract
The utility model relates to an imaging disposal box used in a laser printer. The imaging disposal box comprises a developing unit and an imaging unit. The outer surface of the sensing drum of the torque moment receiving end head in the axial direction is provided with three noses in the vertical direction. The link shape among the three noses along the radial direction outer edge of the torque moment receiving end head corresponds to the torque moment output notch of the laser printer. Along the axial direction of the sensing drum, the torque moment receiving end head is positioned at the place between the three noses and and the nearest drum face of the sensing drum, and the radial size of the torque moment receiving end head is less than the size of the three noses along the radial direction of the sensing drum, and the torque moment receiving end head is provided with a slipknot which can movably be blocked on the radial outer surface of the position. The disposal box can effectively avoid the scrapings caused by the axial shake of the sensing drum during the storing and carrying process.
Description
Technical field
The utility model relates to the laser printer imaging processing box, this imaging processing box is removably installed on the laser printer, be used for supply toner and make electrostatic latent image that photosensitive drums generates similarly be converted into visual image on the recording medium at paper etc., it comprises and the data message that laser contained of accepting printer is converted into electrostatic latent image and and then turns to the image-generating unit of visual image and storage carbon dust and so on developer and carbon dust is laid in developing cell on the photosensitive drum surface.
Background technology
Electrophotographic image forming, for example laser printer is the photosensitive drums that has predetermined potential by the laser scanning irradiation, forms electrostatic latent image on its surface.This electrostatic latent image is developed with predetermined carbon dust, and then will be transferred on the paper, the image fixing of transfer printing acquisition, become the visual image that naked eyes can be observed afterwards,--signal--conversion between the image that realizes image thus through the image that develops.
Common laser printer is provided with charging roller, photosensitive drums, laser scanning mechanism, developing apparatus, transfer roll and fixing roller etc. in its casing.
Photosensitive drums charges to predetermined potential by charging roller, and response is formed corresponding to the electrostatic latent image for the treatment of print image by laser scanning mechanism emitted laser bundle.
Developing apparatus, or claim developing cell, store carbon dust in the container of establishing within it, and utilize powder feeding roller and developer roll carbon dust to be sent to the photosensitive drums that has electrostatic latent image.
The visual image that forms on the photosensitive drums is transferred on the paper between photosensitive drums and the transfer roll by transfer roll, utilizes fixing roller that the carbon dust image on the paper is given photographic fixing at last.
The disclosed imaging processing box of domestic application for a patent for invention prospectus CN1175013A mainly is made of developing cell and image-generating unit, connects as one in the mode that can rotate mutually between Unit two.Its developing cell mainly comprises toner, puddle support, developer roll and showing board, and four all are arranged on the framework of developing cell.Its image-generating unit mainly comprises waste powder hopper, photosensitive drums, cleaner plate and charging roller, and four all are installed on the cleaning framework.In developing cell, toner provides the storage space and the suitable carbon dust transfer passage of carbon dust; Puddle support makes the stand-by carbon dust of transporting to developer roll be able to evenly distribute in toner by the rotation of self; Showing board provides charge function to developer roll; Developer roll is adjacent to photosensitive drums, has different charge effect to make carbon dust be adsorbed in electrostatic latent image zone on the photosensitive drums by the polarity same potential.Charging roller in the image-generating unit provides charge function to photosensitive drums, makes the photosensitive drums photosensitive region carry polarity and carbon dust adsorption charge polarity same potential has different electric charge; Cleaner plate contacts with the mantle friction of photosensitive drums photosensitive region, will scrape in the waste powder hopper through the remaining toner after the imaging on the photosensitive drums photosensitive region surface.
Above-mentioned imaging processing box is a kind of box body that can break with respect to electrophotographic image forming.This imaging processing box must be in comparatively accurate localization state in laser printer, to guarantee that photosensitive drums obtains laser intelligence and developer roll accurately and accurately finishes development conversion to photosensitive drums.For guaranteeing the accuracy of location, the photosensitive drum shaft of imaging processing box is to a termination accepting the laser printer rotary torque, its along photosensitive drum shaft to xsect be designed to isosceles triangle usually, and this termination along photosensitive drum shaft to length range in, this isoceles triangle shape makes this termination present the external thread shape around photosensitive drums axis turn-knob in an orderly manner.The position of the rotary torque of laser printer output accordingly is designed to internal screw thread form.Like this, during printing, the moment of torsion of above-mentioned photosensitive drums accept the termination with between the moment of torsion output port of laser printer because the relation of threaded engagement, the component that single direction can upwards occur at photosensitive drum shaft, impel photosensitive drums to be resisted against on the framework of imaging processing box, reach and make the positioning stablity of photosensitive drums accurate along this single direction component.Yet, during the imaging processing box accumulating, photosensitive drums is divided separately with laser printer and is in the different space environments, there is not engagement coordination relation between them, at this moment, photosensitive drums axially but causes axially rocking of photosensitive drums with the slight clearance that exists between the imaging processing box easily along it, so that is difficult to stop the anxiety of photosensitive drum surface scuffing.
The utility model content
The utility model purpose is to provide a kind of laser printer imaging processing box, and this imaging processing box can avoid scratching its photosensitive drum surface during its accumulating.
Laser printer imaging processing box according to the above-mentioned purpose design, its laser printer be used for to the position of photosensitive drums output torque along photosensitive drum shaft to xsect, along photosensitive drum shaft to the predetermined length scope in be configured to around the triangular notches of photosensitive drum shaft to orderly turn-knob, this imaging processing box comprises: developing cell and image-generating unit.Developing cell comprises following four each at least one: toner, puddle support, developer roll and showing board.Toner is surrounded by powder Hatch Coaming frame and is formed.Puddle support is arranged in the toner and is supported on the powder Hatch Coaming frame.Developer roll and showing board all are arranged on the developing frame.Toner framework and developing frame are interconnected to constitute developing cell.Image-generating unit comprises following four each at least one: waste powder hopper, photosensitive drums, cleaner plate and charging roller.Waste powder hopper, photosensitive drums, cleaner plate and charging roller all are installed on the framework of image forming process unit.Photosensitive drum shaft has to an end accepts laser printer output torque and the radial dimension termination less than himself drum face.Flexibly connect mutually between developing cell and the image-generating unit.Aforementioned photosensitive drum shaft is accepted the termination radially-outer surface to moment of torsion and is provided with three plush coppers.Three plush coppers are accepted line shape between the radially outer edge of termination corresponding to aforementioned laser printer moment of torsion output recess along moment of torsion.Accept the termination along photosensitive drum shaft to, photosensitive drums moment of torsion and rouse position between the face recently between three plush coppers and photosensitive drums, its radial dimension less than three plush coppers along photosensitive drums size radially.
Usually, aforementioned laser printer imaging processing box is accepted the termination along photosensitive drum shaft to, photosensitive drums moment of torsion and is provided with the knot that can be undone by a pull that is connected in movably on this position radially-outer surface between the position that three plush coppers and photosensitive drums are roused between the face recently.
Preferably, aforementioned imaging processing box, its knot that can be undone by a pull along photosensitive drum shaft to length be equal to or slightly greater than the photosensitive drums moment of torsion accept the termination along photosensitive drum shaft to the section that rouses recently between three plush coppers and photosensitive drums between the face.
Preferably, aforementioned laser printer imaging processing box, its knot that can be undone by a pull are the annulus that has gap.
Better, aforementioned laser printer imaging processing box, its three plush coppers have the turn-knob degree corresponding to laser printer moment of torsion output recess.
Laser printer imaging processing box of the present utility model, accept to moment of torsion at photosensitive drum shaft to be provided with three plush coppers on the radially-outer surface of termination, and accept the termination at moment of torsion and be provided with the knot that can be undone by a pull that is connected in movably on this position radially-outer surface between the position that three plush coppers and photosensitive drums are roused between the face recently.The moment of torsion output recess of being convenient to laser printer like this, is on the one hand realized butt joint accurately with three plush coppers; On the other hand, be connected in photosensitive drum shaft by knot that can be undone by a pull and accept the position of termination between three plush coppers and the bulging recently face of photosensitive drums to moment of torsion, the performance knot that can be undone by a pull is similar to the packing action of chock, photosensitive drums closely is posted by on the framework of image-generating unit, and then obtains axial precision positioning.During the imaging processing box accumulating, knot that can be undone by a pull wedging photosensitive drum shaft is accepted the position of termination between three plush coppers and the bulging recently face of photosensitive drums to moment of torsion, photosensitive drums just can be completely fixed, and can not take place axially to rock, avoided because of axially rocking between photosensitive drums and image-generating unit framework the anxiety that photosensitive drum surface that forming relatively moves may cause is scratched.At the imaging processing box duration of work, remove after the knot that can be undone by a pull, only need to rely on its axial moment of torsion to accept the butt joint of termination with laser printer moment of torsion output recess, photosensitive drums just can obtain accurate location vertically.
The drawing explanation
Fig. 1 the utility model laser printer imaging processing box skeleton view.
Fig. 2 the utility model laser printer imaging processing box sectional view.
The photosensitive drums skeleton view of Fig. 3 the utility model laser printer imaging processing box.
The photosensitive drums partial projection view one of Fig. 4 the utility model laser printer imaging processing box.
The photosensitive drums partial projection view two of Fig. 5 the utility model laser printer imaging processing box.
The knot that can be undone by a pull skeleton view of Fig. 6 the utility model laser printer imaging processing box.
Embodiment
The contrast accompanying drawing is described the utility model laser printer imaging processing box in detail below.Before explanation the utility model imaging processing box, at first introduce the laser printer course of work of using this imaging processing box.
Laser printer forms the visual image that naked eyes can be observed by using the electrophotographic image forming technology on the recording medium of paper and so on.During work, laser printer at first utilizes charging roller to photosensitive drum charging, then, laser scanning mechanism launched corresponding to the laser beam irradiation of picture information on photosensitive drum surface, generate the corresponding electrostatic latent image of picture information that contains with laser beam, at last, utilize developing cell that electrostatic latent image is formed through painted visual image.When generating visual image, branch paper bowl in the laser printer is picked up paper from paper feeding cassette, by transfer roller and registration roller paper is passed to the transfer area at photosensitive drums and transfer roll place immediately, and then the visual image conversion that photosensitive drum surface is carried by the voltage that applies on transfer roll is to paper surface, the paper that carries visual image is immediately transferred to fixing mechanism and is subjected to the effect of High Temperature High Pressure at this, visual image is permanently fixed to paper surface thereupon, and the laser printer transport sector is sent paper to receiving box afterwards.
Referring to Fig. 1,2, the utility model laser printer imaging processing box A.It comprises developing cell framework 1 and the image-generating unit framework 2 that is used to constitute developing cell and image-generating unit.Wherein, developing cell framework 1 comprises again and is used to form the developing frame 105 that carbon dust holds the powder Hatch Coaming frame 101 in storehouse 102 and is used to support developer roll 103 and showing board 104; In image-generating unit framework 2, include waste powder hopper 201.Photosensitive drums 202, cleaner plate 203 and charging roller 204 threes are supported on the image-generating unit framework 2.Constitute developing cell by modes such as bonding or welding between powder Hatch Coaming frame 101, the developing frame 105, connect and compose complete imaging processing box A by modes such as bearing pins again and between the image-generating unit framework 2.
Among Fig. 2, first puddle support 106 that is used to stir with supply toner rotatably is supported in powder Hatch Coaming frame 101, is used to stir, supply and second puddle support 107 of loose carbon dust rotatably is supported on the powder Hatch Coaming frame 101 comparatively position near developer roll 103 places.Developer roll 103 rotatably is placed in the developing room 108 that is formed in the developing frame 105.After powder Hatch Coaming frame 101 and developing frame 105 are combined into developing cell, first puddle support 106 is under the rotary torque effect that laser printer transmits, the carbon dust stirring that carbon dust is held in the storehouse 102 is transported in the developing room 108, via the stirring of second puddle support 107, carbon dust is uniformly distributed near the developer roll 103 again.Then developer roll 103 attaches to carbon dust on self roll surface by magnetic force absorption, again by after the thickness and static state of its surface carbon bisque of showing board 104 friction adjustment, developer roll 103 carries out developing room 108 to carbon dust, and passes on to the photosensitive region of photosensitive drums 202.The photosensitive region of photosensitive drums 202 is charged into the electric charge that the toner charge polarity same potential of carrying with developer roll 103 surfaces has difference by charging roller 204, thus, the carbon dust that comes by developer roll 103 transmissions is drawn onto the photosensitive region that photosensitive drums 202 has electrostatic latent image by commentaries on classics, forms the carbon dust image.Photosensitive drums 202 is taken further by rotation the carbon dust image is taken to transfer area, and the electric charge absorption in this zone through transfer roll transforms, and the carbon dust image is changeed the paper surface that is drawn onto between photosensitive drums 202 and transfer roll.
Above-mentioned imaging processing box A, the moment of torsion that drives 202 rotations of its photosensitive drums are that the moment of torsion efferent by laser printer provides.This moment of torsion efferent is perpendicular to the axial cross section recess triangular in shape of photosensitive drums 202.Axial along photosensitive drums 202, this triangular notches is axial along photosensitive drums 202, in the predetermined length scope of laser printer moment of torsion efferent, is configured to the screw thread form around the orderly turn-knob of photosensitive drums 202 axis, is similar to the fried dough twist or the rope made of hemp of mutual winding.
Referring to Fig. 3,4,5, photosensitive drums 202 is cylindrical tube with cylindrical exterior, its axial two ends are respectively arranged with two gears 2024,2025 that transmit rotary torque to above-mentioned transfer roll and developer roll 103 etc., and its stage casing is the bulging face zone 2022 that the surface carries photosensitive material layer.In addition, with the aforementioned moment of torsion efferent correspondence of laser printer, photosensitive drums 202 has along self axial end and is used to accept laser printer output torque and the radial dimension termination 2021 less than its drum face 2022 sizes.The radially-outer surface that moment of torsion is accepted termination 2021 is provided with 2,021 three plush coppers 2023 that extend radially outwardly along the termination.Accept termination 2021 between three plush coppers 2023 and photosensitive drums 202 positions between the drum faces recently along photosensitive drum shaft to, moment of torsion, its radial dimension less than three plush coppers 2023 along photosensitive drums size radially.Recess at laser printer moment of torsion efferent adopts under the situation of equilateral triangle, three plush coppers 2023 are accepted the radially line between the outermost edge of termination 2021 along moment of torsion, also adopt corresponding equilateral triangle, and three plush coppers 2023 also has the turn-knob degree of exporting recess corresponding to aforementioned laser printer moment of torsion accordingly.So, accept at the photosensitive drums moment of torsion on the axial cross section of termination 2021, three plush coppers 2023 are symmetrically distributed in moment of torsion and accept on the cylindrical radial outside surface of termination 2021.
Referring to Fig. 3,6, along photosensitive drum shaft to, accept termination 2021 between three plush coppers 2023 and photosensitive drums 202 positions between the drum faces recently at moment of torsion, be provided with the knot that can be undone by a pull 2026 that is connected in movably on this position radial surface.Knot that can be undone by a pull 2026 is the annulus that have gap 2027.Axial along photosensitive drums 202, the length of knot that can be undone by a pull 2026 or width equal or are a bit larger tham moment of torsion and accept termination 2021 along photosensitive drums 202 axial section length between three plush coppers 2023 and photosensitive drums 202 nearest drum faces.During imaging processing box A accumulating, knot that can be undone by a pull 2026 is plugged in the photosensitive drums moment of torsion by gap 2027 and accepts the position of termination 2021 between three plush coppers 2023 and photosensitive drums 202 nearest drum faces, makes photosensitive drums 202 be completely fixed on the image-generating unit framework 2.At imaging processing box A duration of work, knot that can be undone by a pull 2026 is withdrawed from aforementioned photosensitive drums moment of torsion by gap 2027 and is accepted the position of termination 2021 between three plush coppers 2023 and photosensitive drums 202 nearest drum faces, and photosensitive drums 202 realizes axial restraint by its three plush coppers 2023 with the engagement between the laser printer moment of torsion output recess.
Claims (5)
1. laser printer imaging processing box, described laser printer be used for to the position of photosensitive drums output torque along photosensitive drum shaft to xsect along described photosensitive drum shaft to the predetermined length scope in be configured to around the triangular notches of described photosensitive drum shaft to orderly turn-knob, described imaging processing box comprises:
Developing cell, described developing cell comprises following four each at least one: toner, puddle support, developer roll and showing board, described toner is surrounded by powder Hatch Coaming frame and is formed, described puddle support is arranged in the described toner and is supported on the described powder Hatch Coaming frame, described developer roll and described showing board all are arranged on the developing frame, described toner framework and described developing frame be interconnected to constitute described developing cell and
Image-generating unit, described image-generating unit comprises following four each at least one: waste powder hopper, photosensitive drums, cleaner plate and charging roller, described waste powder hopper, described photosensitive drums, described cleaner plate and described charging roller all are installed on the image-generating unit framework, described photosensitive drum shaft has to an end accepts described laser printer output torque and the radial dimension termination less than himself drum face
Flexibly connect mutually between described developing cell and the described image-generating unit,
It is characterized in that described termination radially-outer surface is provided with three plush coppers, three described plush coppers along the line shape between the radially outer edge of described termination corresponding to described recess, along described photosensitive drum shaft to described termination between three described plush coppers and described photosensitive drums rouse recently position radial dimension between the face less than three described plush coppers along described photosensitive drums radial dimension.
2. laser printer imaging processing box according to claim 1 is characterized in that being provided with the knot that can be undone by a pull that is connected in movably on its radially-outer surface along described photosensitive drum shaft to the position of described termination between three described plush coppers and the bulging recently face of described photosensitive drums.
3. laser printer imaging processing box according to claim 2, it is characterized in that described knot that can be undone by a pull along described photosensitive drum shaft to length be equal to or slightly greater than described termination along described photosensitive drum shaft to the section that rouses recently between three described plush coppers and described photosensitive drums between the face.
4. laser printer imaging processing box according to claim 3 is characterized in that described knot that can be undone by a pull is the annulus that has gap.
5. according to claim 1,2,3, one of 4 described laser printer imaging processing boxes, it is characterized in that three described plush coppers have the turn-knob degree corresponding to described recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200538838U CN201054078Y (en) | 2007-07-02 | 2007-07-02 | Imaging processing box for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200538838U CN201054078Y (en) | 2007-07-02 | 2007-07-02 | Imaging processing box for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201054078Y true CN201054078Y (en) | 2008-04-30 |
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ID=39393740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200538838U Expired - Fee Related CN201054078Y (en) | 2007-07-02 | 2007-07-02 | Imaging processing box for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201054078Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866608A (en) * | 2011-07-05 | 2013-01-09 | 珠海赛纳打印科技股份有限公司 | Photosensitive drum driving head and image forming device driving mechanism |
| CN108398871A (en) * | 2018-04-23 | 2018-08-14 | 珠海联合天润打印耗材有限公司 | Handle box |
-
2007
- 2007-07-02 CN CNU2007200538838U patent/CN201054078Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866608A (en) * | 2011-07-05 | 2013-01-09 | 珠海赛纳打印科技股份有限公司 | Photosensitive drum driving head and image forming device driving mechanism |
| CN102866608B (en) * | 2011-07-05 | 2015-11-25 | 珠海艾派克科技股份有限公司 | A kind of photosensitive drum driving head and image processing system driving mechanism |
| CN108398871A (en) * | 2018-04-23 | 2018-08-14 | 珠海联合天润打印耗材有限公司 | Handle box |
| CN108398871B (en) * | 2018-04-23 | 2024-06-11 | 珠海联合天润打印耗材有限公司 | Process cartridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20150702 |
|
| EXPY | Termination of patent right or utility model |