CN201000539Y - Carbon powder container for laser printer - Google Patents
Carbon powder container for laser printer Download PDFInfo
- Publication number
- CN201000539Y CN201000539Y CNU2007200479882U CN200720047988U CN201000539Y CN 201000539 Y CN201000539 Y CN 201000539Y CN U2007200479882 U CNU2007200479882 U CN U2007200479882U CN 200720047988 U CN200720047988 U CN 200720047988U CN 201000539 Y CN201000539 Y CN 201000539Y
- Authority
- CN
- China
- Prior art keywords
- carbon dust
- toner
- laser printer
- powder
- stirring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a laser printer toner container, which comprises a toner storing chamber and a stirring frame. The toner storing chamber is a cylinder cartridge with the axial end sealed with the transverse end wall. The transverse end wall is provided with an axle hole and a toner outlet. The stirring frame comprises a stirring rotating axle and a stirring blade. One end of the stirring rotating axle perforating out the axle hole is fixed and connected with a transmitting gear. One end of the stirring blade is fixed on the stirring rotating axle, and a sliding contacting state is kept between the opposite end and the toner storing chamber. A toner pushing mechanism pushing the toner to the direction being back to the toner outlet is arranged in the blind area formed after a cave part being corresponding to the toner outlet projects the toner storing chamber. The toner container has the advantage of less toner residual quantity.
Description
Technical field
The utility model relates to laser printer carbon powder container.This carbon dust container is used to hold the carbon dust that stores up scheduled volume, provides the carbon dust supply for developer roll under the installation state.
Background technology
Electrophotographic image forming, for example laser printer is the photosensitive drums that has predetermined uniform 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.Wherein, photosensitive drums charges to predetermined equally distributed electromotive force 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.Store carbon dust in the container that developing apparatus is established within it, and utilize powder feeding roller and developer roll that carbon dust is sent to the photosensitive drums that has electrostatic latent image and reach the state of even covering 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.
For color-image forming apparatus, need the carbon dust of configuration multicolour usually, for example yellow, magenta, cyan and black, totally four look carbon dusts.Utilize corresponding four developer rolls or developing apparatus that overlapping one by one being covered in of the carbon dust of each single color formed coloured image on the electrostatic latent image.
Usually, as the developing apparatus of developing mechanism, its employed developer for example carbon dust is a kind of consumptive material.Carbon dust with constant volume reserves restriction is run out after the printing through some paper consumes immediately, causes replacing, additional carbon dust to become a regular job.Different production firms can propose the product design scheme of multiple version for different design concepts.For example, powder feeding roller and developer roll etc. is fitted in together, is designed to a separate unit, can be referred to as developing apparatus; Photosensitive drums, waste powder hopper, charging roller etc. are fitted in together, are designed to a separate unit, can be referred to as induction installation; Perhaps the powder storehouse separation that is used to hold a certain amount of carbon dust of storage is designed to a separate unit, can be referred to as carbon dust container.This split design can fully and reasonably utilize its technology potential according to the technical characteristic of each unit, also can be for production, accumulating, link such as choose and bring bigger facility.
Yet,, also have many links that haves much room for improvement aspect the utilization ratio of developer though the manufacturer has considered the configuration relation of developing apparatus, induction installation and carbon dust container comparatively all sidedly.For example, existing a kind of carbon dust container that only is used to hold storage and supply developer, reason because of its configuration aspects, cause the carbon dust of its content storage to exist a part residual all the time, especially in print procedure when carbon dust container has been consumed most carbon dust, remaining carbon dust will retain in the member space, forms nonvolatil residual powder.
Shown in Fig. 2 a, 2b, be the structure of a kind of known carbon dust container A.This carbon dust container A with cylindrical drum 101 as main structure body.An axial end of cylindrical drum 101 opens wide, and is sealed by hot melt or bonding way by corresponding end cap (not shown) under the formed uncovered state that carbon dust arranged in filling, and the other end is by transverse end wall 102 sealings.Space between end cap and the transverse end wall 102 becomes and is used to take in or store for example storeroom 103 of carbon dust of developer.At transverse end wall 102 and the position that cylindrical drum 101 axis overlap, be provided with circular hole 104.Shaft 106 1 ends that carry stirring piece 105 on it pass circular hole 104 backs with transmission gear 107 secure bond, and one section that stirring piece 105 is installed is suspended in the storeroom 103.The effect of the driving moment of transmitting by transmission gear 107, shaft 106 drives the axis rotation of stirring pieces 105 around cylindrical drum 101.Transverse end wall 102 near or be provided with meal outlet 108 in abutting connection with the position on cylindrical drum 101 all edges.Because carbon dust container A generally is configured in developing apparatus or the printer with the attitude that its axis is parallel to plane, photosensitive drums axis place, therefore, usually spiral powder delivery roller (not shown) can be set in meal outlet 108.The main part of spirality powder delivery roller stretches in the storeroom 103, and adopts to rotatablely move and be sent to the carbon dusts in the storeroom 103 near the meal outlet 108 or by meal outlet 108 storeroom 103 interior carbon dusts brought to storeroom 103 outsides.In order to cooperate the flow characteristics of carbon dust, carbon dust container A is provided with two zones 109,110 that concave along cylindrical drum 101 footpaths corresponding to the cylindrical wall of meal outlet 108, the position in its first recessed district 109 is between meal outlet 108 and transverse end wall 102, and the position in the second recessed district 110 extends axially to back near meal outlet 108 uncovered in abutting connection with the first recessed district 109 and along cylindrical drum 101.The first recessed district 109 is many greatly than the indent degree in the second recessed district 110.The first recessed district 109 is normally used for holding the driven wheel (not shown) of said spiral shape powder delivery roller.Two recessed districts 109,110 cooperate with the developing apparatus of printer makes carbon dust flow into developing apparatus in airtight area of space.Yet, two recessed districts 109,110 are because inwardly projection former thereby quite a few spatial volume, particularly indent more first recessed district 109 of having occupied storeroom 103 protrude in part in the storeroom 103 and can extend base portion at it and constitute not runny two blind areas 124 of carbon dust between with the inner cylinder face of storeroom 103.The end of stirring piece 105 all can not arrive under slip or stationary state in this blind area 124, causes carbon dust absorption, is piled up in these blind areas 124, can not be utilized effectively.
The utility model content
The utility model purpose is to provide a kind of laser printer carbon powder container, and this carbon dust container can maximally utilise the carbon dust in it, and the remaining amount of its residual powder is low.
According to above-mentioned purpose, the utility model laser printer carbon powder container comprises powder-storage bin, puddle support.Powder-storage bin is the cylindrical drum of its axial end by the transverse end wall sealing.Transverse end wall is provided with axis hole and meal outlet.Puddle support comprises stirring shaft and stirring vane.Stirring shaft one end passes axis hole and fixedlys connected with transmission gear.Stirring vane one end is fixed on the stirring shaft, keeps the sliding contact state between its opposite end and the powder-storage bin.With being provided with in the formed blind area after the meal outlet corresponding concave part is in being stretched on powder-storage bin carbon dust is pushed to carbon dust propulsive mechanism back to the meal outlet direction.
Usually, aforementioned laser printer carbon dust container, its carbon dust propulsive mechanism adopt its surface to have the round roller of spiral fringe.One end of this circle roller is fixedlyed connected with driven wheel after passing transverse end wall.
Preferably, aforementioned laser printer carbon dust container, selecting the quantity of its circle roller is two, and is laid in respectively in two blind areas.
Laser printer carbon powder container of the present utility model, constitute the not runny blind zone problem of carbon dust at the first recessed district because of the former of projection in storeroom thereby between its extension base portion is with the inner cylinder face of storeroom, adopt the carbon dust propulsive mechanism that spirality circle roller and so on is set in this blind area corresponding to meal outlet.Precession impetus by the carbon dust propulsive mechanism carbon dust by being pushed out to the zone that the stirring vane end can be swiped in the blind area.And then, just can be when the stirring vane of puddle support slides almost all dividing the position that is transported to the meal outlet place in the storeroom, to eliminate the blind area that prior art exists, minimizing carbon dust residual quantity.
The drawing explanation
Fig. 1 is the laser printer structural representation that includes the utility model carbon dust container.
Fig. 2 a is existing carbon dust container skeleton view one.
Fig. 2 b is existing carbon dust container skeleton view two.
Fig. 3 the utility model carbon dust container skeleton view.
Fig. 4 the utility model carbon dust container STRUCTURE DECOMPOSITION synoptic diagram.
Embodiment
Describe the utility model carbon dust container in detail below in conjunction with accompanying drawing.In institute's drawings attached, identical mark will be used to refer to identical parts, feature or structure.Embodiment introduce in the process at concrete structure or the parts reference illustration of only understanding the utility model carbon dust container as those skilled in the art, those skilled in the art can also design under the enlightenment of this technical scheme and not exceed the various of the utility model carbon dust container technical scope and essence and be equal to or the similar techniques structure.If it is unfavorable limiting the protection domain that the utility model carbon dust container claim included with this exemplary illustration thus, be equal to or the technical scheme that is similar to the utility model carbon dust container still belongs to the protection domain of the utility model carbon dust container claim.And for simple and clear needs, the applicant has omitted the description of known function and structure.
Fig. 1 shows the laser printer schematic structure of using the utility model carbon dust container.The applicant does one at this to the structure of laser printer and course of work and introduces roughly, so that person skilled is understood better and implemented this carbon dust container.This laser printer structurally comprises photosensitive drums 111, four developing apparatuss 112, four carbon dust container A, has transfer printing assembly 114, first transfer roll 115, second transfer roll 116 and the fixation unit 117 of transfer belt 113.
Be laid with photoconductive layer on the cylindrical surface of photosensitive drums 111, it is accepted and responds by the printer emitted laser, forms the electrostatic latent image corresponding to laser signal on photoconductive layer.Round the circumferencial direction of photosensitive drums 111, cloth is shown laser scan unit 119, four developing apparatuss 112, transfer printing assembly 114, first transfer roll 115, useless powder recovery bin 118 and charging rollers 120 successively.
Wherein, each in four developing apparatuss 112 all comprises the cylindrical substantially developer roll 1121 of its configuration.The face of cylinder of each root developer roll 1121 and photosensitive drums 111 are separated a minim gap each other.Generally speaking, this gap remains on tens scopes to the hundreds of micron.Four developer rolls 1 121 are around the circumferencial direction of photosensitive drums 111 Boulez successively.Four developing apparatuss 112 connect with meal outlet 108 correspondences of four carbon dust container A respectively, from its storeroom 103, obtain the carbon dust of various corresponding colors by meal outlet 108, so that the work of the developer roll 1121 by correspondence makes the electrostatic latent image that is formed on the photosensitive drums 111 developed (referring to Fig. 1,3,4).
Transfer printing assembly 114 comprises seamless annular transfer belt 113, two backing rolls 121,122.Two columniform backing rolls 121,122 are parallel to the mode Boulez of photosensitive drums 111 with its axis, they all prop up on the inner ring surface of annular transfer belt 113, make annular transfer belt 113 keep tensioning states, and drive annular transfer belt 113 around backing roll 121,122 to equal the rotational line speed rotation on photosensitive drums 111 faces of cylinder.Annular transfer belt 113 photosensitive drums 111 have on axially greater than, at least equal the width of employed maximum paper 123 breadths of laser printer, on photosensitive drums 111 axial cross sections, have greater than, equal the length on the employed maximum paper of laser printer 123 long limits at least.
First transfer roll 115 is parallel to the mode Boulez of photosensitive drums 111 with its axis, it is positioned at the ring of the annular transfer belt 113 that is strutted by two backing rolls 121,122, by the inner ring surface of oppressing annular transfer belt 113 annular transfer belt 113 outer ring surfaces is close on the face of cylinder of photosensitive drums 111.First transfer roll 115 is transferred to the carbon dust image that is formed on photosensitive drums 111 faces of cylinder on annular transfer belt 113 outer ring surfaces by apply a direct current transfer bias to photosensitive drums 111.The mode cloth that second transfer roll 116 is parallel to photosensitive drums 111 with its axis is listed near one of two backing rolls 122.When annular transfer belt 113 entrained carbon dust image lines proceed to backing roll 122 positions, second transfer roll 116 provides a direct current transfer bias, the entrained carbon dust image transfer of annular transfer belt 113 between second transfer roll 116 and annular transfer belt 113 are corresponding to the position of backing roll 122 with the paper 123 that equals annular transfer belt 113 rotational line speed operation on.Paper 123 is when the working line of laser printer inside marches to fixation unit 117, pass two fixing rollers 1171,1172 of fixation unit 117, apply predetermined pressure and temperature by 1171,1172 pairs of paper 123 of two fixing rollers, the carbon dust image is for good and all solidified in self surface.
Aforementioned photosensitive drums 111 is after the bias effect that first transfer roll 115 is applied, its most carbon dusts that are arranged in the carbon dust image on the periphery have been transferred on the annular transfer belt 113, but the carbon dust that still has minute quantity is adsorbed on the face of cylinder, finally forms residual carbon dust.These residual carbon dusts all can cause harmful effect for the laser induced ability of 111 second rounds of photosensitive drums and sharpness of formed electrostatic latent image etc.Thus, the downstream direction along photosensitive drums 111 operative orientation α (photosensitive drums 111 shown in Figure 1 is rotated in a clockwise direction) in first transfer roll 115 is provided with the useless powder recovery bin 118 that axially stretches and keep in touch with photosensitive drums 111 faces of cylinder along photosensitive drums 111.By the residual carbon dust on scraper removing photosensitive drums 111 faces of cylinder that are provided with on the useless powder recovery bin 118, and be stored in the useless powder recovery bin 118.Through the photosensitive drums 111 after the cleaning, by keeping in touch with photosensitive drums 111 or the charging roller 120 of adjacency state charges to its external cylindrical surface to it and reaches same electromotive force.Laser printer is finished a workflow like this, enters the work period.
Introduce the structure of the utility model carbon dust container A below.See Fig. 3,4, and in conjunction with Fig. 2 a, 2b, the utility model carbon dust container A with cylindrical drum 101 as main structure body.An axial end of cylindrical drum 101 opens wide, and is sealed by hot melt or bonding way by the corresponding end cap (not shown) that adopts the same material preparation under the formed uncovered state that carbon dust arranged in filling, and the other end is by transverse end wall 102 sealings.Space between end cap and the transverse end wall 102 becomes and is used to take in or store for example storeroom 103 of carbon dust of developer.At transverse end wall 102 and the position that cylindrical drum 101 axis overlap, be provided with circular hole 104.Shaft 106 1 ends that carry stirring piece 105 on it pass circular hole 104 backs with transmission gear 107 secure bond, and one section that stirring piece 105 is installed is suspended in the storeroom 103.Stirring piece 105 is fixed on the shaft 106 along cylindrical drum 101 end radially, keeps the sliding contact state between the cylindrical part of its opposite end and storeroom 103 inside surfaces.The effect of the driving moment of transmitting by transmission gear 107, shaft 106 drives the axis rotation of stirring pieces 105 around cylindrical drum 101.Be provided with powder delivery 108 at transverse end wall 102 near the position on cylindrical drum 101 all edges.Present embodiment carbon dust container A is configured in the laser printer with the attitude that its axis is parallel to plane, photosensitive drums 111 axis place, so, spirality powder delivery roller 127 is set in meal outlet 108, just can will be passed near the meal outlet 108 away from the carbon dust of meal outlet 108 1 ends.The main part of spirality powder delivery roller 127 stretches in the storeroom 103, and adopts to rotatablely move and by meal outlet 108 storeroom 103 interior carbon dusts are brought to storeroom 103 outsides.In order to cooperate the flow characteristics of carbon dust, carbon dust container A is provided with two zones 109,110 that concave along cylindrical drum 101 footpaths corresponding to the cylindrical wall of meal outlet 108, the position in its first recessed district 109 is positioned at the adjacency section of meal outlet 108 and transverse end wall 102, the position in the second recessed district 110 adjoin the first recessed district 109 and along cylindrical drum 101 axially back to meal outlet 108 extend to aforementioned uncovered near.The first recessed district 109 is many greatly than the degree to storeroom 103 indents in the second recessed district 110.Two recessed districts 109,110 are rendered as circular arc on the axial cross section of cylindrical drum 101, they cooperate the airtight powder flow passage of formation with the developing apparatus 112 (referring to shown in Figure 1) of printer, carbon dust is flowed in developing apparatus 112 from meal outlet 108 outflows and along this flow channel use in order to developing roller 1121.
The part that the indent more first recessed district of partly introducing at the above-mentioned background technology 109 protrudes in the storeroom 103 is extended not runny two blind areas 124 of carbon dust (referring to Fig. 1) that constituted between the inner cylinder face of base portion with storeroom 103 at it, and the round roller 125 that its surface has spiral fringe respectively is set respectively within it.One end of circle roller 125 passes transverse end wall 102 backs and fixedlys connected with corresponding driving gear 126.The turning moment that driven wheel 126 can be provided by laser printer with the transmission gear 107 engagement back acquisitions of shaft 106.In the work engineering, the precession direction of circle roller 125 and powder delivery roller 127 keeps opposite each other state, like this, when powder delivery roller 127 was pushed carbon dust to meal outlet 108, circle roller 125 pushed the carbon dusts in the blind area 124 in the zone or stirring piece 105 zone that its end can touch or swipe in rotary course at powder delivery roller 127 places.
Claims (3)
1. laser printer carbon powder container, comprise powder-storage bin, puddle support, described powder-storage bin is the cylindrical drum of its axial end by the transverse end wall sealing, described transverse end wall is provided with axis hole and meal outlet, described puddle support comprises stirring shaft and stirring vane, described stirring shaft one end passes described axis hole and fixedlys connected with transmission gear, described stirring vane one end is fixed on the described stirring shaft, keep the sliding contact state between described stirring vane opposite end and the described powder-storage bin, it is characterized in that carbon dust being pushed to carbon dust propulsive mechanism back to described meal outlet direction with being provided with in the formed blind area after described meal outlet corresponding concave part is in being stretched on described powder-storage bin.
2. according to the described laser printer carbon powder container of claim 1, it is characterized in that described carbon dust propulsive mechanism is the round roller that its surface has spiral fringe, fixedly connected with driven wheel after described round roller one end passes described transverse end wall.
3. according to the described laser printer carbon powder container of claim 2, it is characterized in that the quantity of described round roller is two, lay respectively in two described blind areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200479882U CN201000539Y (en) | 2007-01-23 | 2007-01-23 | Carbon powder container for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200479882U CN201000539Y (en) | 2007-01-23 | 2007-01-23 | Carbon powder container for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201000539Y true CN201000539Y (en) | 2008-01-02 |
Family
ID=39014943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200479882U Expired - Lifetime CN201000539Y (en) | 2007-01-23 | 2007-01-23 | Carbon powder container for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201000539Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293914A (en) * | 2013-06-07 | 2013-09-11 | 富美科技集团有限公司 | Stirring frame of selenium drum powder storehouse |
| WO2020186954A1 (en) * | 2019-03-20 | 2020-09-24 | 珠海天威飞马打印耗材有限公司 | Developer supply container and electrophotographic imaging device |
| US11500304B2 (en) | 2019-03-20 | 2022-11-15 | Print-Rite ⋅ Unicorn Image Products Co., Ltd. Of Zhuhai | Developer supply container and electrophotography imaging apparatus |
| WO2023183021A1 (en) * | 2022-03-21 | 2023-09-28 | Hewlett-Packard Development Company, L.P. | Toner cartridge with toner supply member |
-
2007
- 2007-01-23 CN CNU2007200479882U patent/CN201000539Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293914A (en) * | 2013-06-07 | 2013-09-11 | 富美科技集团有限公司 | Stirring frame of selenium drum powder storehouse |
| WO2020186954A1 (en) * | 2019-03-20 | 2020-09-24 | 珠海天威飞马打印耗材有限公司 | Developer supply container and electrophotographic imaging device |
| US11500304B2 (en) | 2019-03-20 | 2022-11-15 | Print-Rite ⋅ Unicorn Image Products Co., Ltd. Of Zhuhai | Developer supply container and electrophotography imaging apparatus |
| WO2023183021A1 (en) * | 2022-03-21 | 2023-09-28 | Hewlett-Packard Development Company, L.P. | Toner cartridge with toner supply member |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201000539Y (en) | Carbon powder container for laser printer | |
| US6453139B2 (en) | Image forming apparatus | |
| CN105988331A (en) | Powder container device and image formation device | |
| CN106909046A (en) | Delevoping cartridge and the electrophotographic imaging forming apparatus using the Delevoping cartridge | |
| US20160062272A1 (en) | Image forming apparatus | |
| CN105204307B (en) | Image forming apparatus | |
| CN201000540Y (en) | Carbon powder box for laser printer | |
| CN201194071Y (en) | Developing case for laser printer | |
| CN103105757A (en) | Drive unit, and image forming apparatus and process cartridge incorporating same | |
| CN100390676C (en) | Toner compensator and its imaging device | |
| CN1307494C (en) | Spent ink storage device and dry type electron photography imaging equipment using said device | |
| CN101236384B (en) | Laser printer carbon powder container regeneration method | |
| CN201707547U (en) | Carbon powder box for laser printers | |
| CN106842846A (en) | Drive transmission mechanism and possesses the image processing system of the drive transmission mechanism | |
| CN101063858B (en) | Toner cartridge | |
| CN201066436Y (en) | Carbon powder canister for laser printer | |
| CN201000544Y (en) | Carbon powder box for laser printer | |
| JP6743390B2 (en) | Drive transmission device and image forming apparatus | |
| CN201087852Y (en) | Carbon powder barrel for laser printer | |
| CN205353579U (en) | Can save cartridge of carbon dust | |
| CN201110946Y (en) | Imaging processing box for laser printer | |
| CN103149817B (en) | Developing box for laser printer | |
| CN103309209B (en) | Developing box for laser printer | |
| JPH0317668A (en) | Multicolor picture recording device | |
| CN105301939A (en) | Drive transmitter, process unit, and image forming apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080102 |
|
| EXPY | Termination of patent right or utility model |