CN104880929B - Selenium drum with powder layer thickness control device - Google Patents
Selenium drum with powder layer thickness control device Download PDFInfo
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- CN104880929B CN104880929B CN201510338887.XA CN201510338887A CN104880929B CN 104880929 B CN104880929 B CN 104880929B CN 201510338887 A CN201510338887 A CN 201510338887A CN 104880929 B CN104880929 B CN 104880929B
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- powder
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- developing roller
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0812—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer regulating means, e.g. structure of doctor blade
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
- G03G15/0889—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for agitation or stirring
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- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
The invention relates to a toner cartridge provided with a powder layer thickness control device, wherein a powder bin and a developing roller are arranged in a shell of the toner cartridge, and the developing roller is arranged at a powder outlet of the powder bin and is in contact connection with a powder outlet knife arranged at the upper end of the inner side of the powder outlet; a powder layer thickness control device is arranged in the powder bin and comprises a non-magnetic elastic spacing block and a stirring frame; the elastic isolating sheet is longitudinally arranged in the powder bin and close to the powder outlet, the upper end of the elastic isolating sheet is fixedly connected with the inner side shell of the powder bin, the lower end of the elastic isolating sheet extends to the side of the contact joint of the powder outlet knife and the surface of the developing roller and is parallel to the developing roller, and an isolating cavity is formed above the powder outlet knife; the stirring frame is rotatably arranged in the powder bin and is in impact connection with the lower end of the elastic spacing piece, so that the lower end of the elastic spacing piece can automatically reset and swing leftwards. Therefore, the powder discharging knife can prevent carbon powder from being accumulated and pressed on the powder discharging knife, the thickness of the carbon powder adsorbed on the surface of the developing roller by the powder discharging knife is accurately and uniformly controlled, the service life is long, the printing quality is good, the structure is simple, the production is easy, and the cost is low.
Description
Technical Field
The invention belongs to the technical field of toner cartridges, and particularly relates to a toner cartridge with a powder layer thickness control device.
Background
At present, the inside powder storehouse and the developer roll of all being equipped with of selenium drum on the market, the developer roll is located the powder outlet department in powder storehouse, the powder outlet inboard upper end in powder storehouse still is equipped with the powder-out sword of being connected with developer roll surface contact. When the toner cartridges are used, carbon powder in the powder bin can be accumulated at the contact connection position of the powder outlet knife and the surface of the developing roller and is pressed on the powder outlet knife, so that the powder outlet knife is easy to bend and deform due to too large burden, the thickness of the carbon powder adsorbed on the surface of the developing roller is controlled inaccurately and unevenly by the bent and deformed powder outlet knife, the developing effect is seriously influenced, the printing quality is finally influenced, the service life of the toner cartridge is also shortened, the frequency is higher, and the cost of a user is increased.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the toner cartridge provided with the powder layer thickness control device, which can prevent carbon powder from being accumulated and pressed on the toner discharge knife, reduce the burden of the toner discharge knife, accurately and uniformly control the thickness of the carbon powder adsorbed on the surface of the developing roller, has good, stable and reliable developing effect, long service life, better printing quality of the toner cartridge, simple structure, easy production and processing, low cost and strong market competitiveness.
In order to solve the technical problems, the invention adopts the following technical scheme:
a toner cartridge with a toner layer thickness control device comprises a shell, wherein a toner bin and a developing roller are arranged in the shell, and the developing roller is arranged at a toner outlet of the toner bin and is in contact connection with a toner discharge knife arranged at the upper end of the inner side of the toner outlet; a powder layer thickness control device is arranged in the powder bin and comprises a non-magnetic elastic isolation sheet and a stirring frame; the elastic isolation sheet is longitudinally arranged in the powder bin and close to the powder outlet, the upper end of the elastic isolation sheet is fixedly connected with the inner side shell of the powder bin, the lower end of the elastic isolation sheet extends to the side of the contact joint of the powder outlet knife and the surface of the developing roller and is parallel to the developing roller, and an isolation cavity is formed above the powder outlet knife; the stirring frame is rotatably arranged in the powder bin and is in impact connection with the lower end of the elastic spacing sheet, so that the lower end of the elastic spacing sheet can swing leftwards with automatic resetting.
Furthermore, the lower extreme fringe of elastic separation piece is equipped with cylindrical fringe, the straight warp of cylindrical fringe is greater than the thickness of elastic separation piece, the stirring frame is connected with cylindrical fringe striking.
Further, the cylindrical rim is integrally formed with the resilient spacer.
Furthermore, the elastic isolation sheet is a plastic elastic sheet or a metal elastic sheet.
Further, the stirring frame comprises a stirring arm and an elastic stirring sheet, one end of the stirring arm is rotatably arranged in the powder bin, the other end of the stirring arm is provided with the elastic stirring sheet, and the elastic stirring sheet rotates along with the stirring arm and is connected with the lower end of the elastic isolating sheet in an impacting manner.
Furthermore, the stirring frame is positioned on the right side of the lower end of the elastic spacing sheet, and an extension line of the connection between the rotating shaft of the stirring frame and the edge of the lower end of the elastic spacing sheet is positioned below the contact connection position of the powder outlet knife and the surface of the developing roller.
The invention has the beneficial effects that:
according to the technical scheme, the toner cartridge can avoid the accumulation and pressing of carbon powder on the toner discharging knife, the burden borne by the toner discharging knife is greatly reduced, the defect that the toner discharging knife is bent and deformed due to excessive toner accumulation and excessive burden of the toner discharging knife in the traditional toner cartridge is thoroughly solved, the toner discharging knife can accurately and uniformly control the thickness of the carbon powder adsorbed on the surface of the developing roller, the developing effect is better, more stable and more reliable, the service life is long, the printing quality of the toner cartridge is better, the toner cartridge is simple in structure, easy to produce and process, low in cost, strong in market competitiveness, easy to popularize and sell, and the commercial success is achieved.
Drawings
The invention will be further described with reference to the following detailed description of embodiments and with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of an embodiment of a toner cartridge provided with a powder layer thickness control device according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1:
the selenium drum provided with the powder layer thickness control device comprises a shell 1, wherein a powder bin 2 and a developing roller 3 are arranged in the shell 1, and the developing roller 3 is arranged at a powder outlet of the powder bin 2 and is in contact connection with a powder outlet knife 4 arranged at the upper end of the inner side of the powder outlet. A powder layer thickness control device is arranged in the powder bin 2 and comprises a non-magnetic elastic isolation sheet 5 and a stirring frame 6; the elastic isolating sheet 5 is longitudinally arranged in the powder bin 2 and close to the powder outlet, the upper end of the elastic isolating sheet is fixedly connected with the inner side shell of the powder bin 2, the lower end of the elastic isolating sheet extends to the side of the contact joint of the powder outlet knife 4 and the surface of the developing roller 3 and is parallel to the developing roller 3, and an isolating cavity 7 is formed above the powder outlet knife 4; the stirring frame 6 is rotatably arranged in the powder bin 2 and is in impact connection with the lower end of the elastic spacing piece 5, so that the lower end of the elastic spacing piece 5 can automatically reset and swing leftwards.
The elastic isolation sheet 5 may be a plastic elastic sheet or a metal elastic sheet, a cylindrical rim 51 is disposed on a lower end edge of the elastic isolation sheet, the cylindrical rim 51 and the elastic isolation sheet 5 are integrally formed and parallel to the developing roller 3, and the cylindrical rim 51 is greater than the thickness of the elastic isolation sheet 5. The stirring frame 6 comprises a stirring arm 61 and an elastic stirring sheet 62, one end of the stirring arm 61 is rotatably arranged in the powder bin 2, and the other end of the stirring arm is provided with the elastic stirring sheet 62. Moreover, the stirring frame 6 is positioned at the right side of the lower end of the elastic spacing sheet 5, and the extension line of the connection of the rotating shaft of the stirring frame and the lower end edge (cylindrical edge 51) of the elastic spacing sheet 5 is positioned below the contact connection part of the powder outlet blade 4 and the surface of the developing roller 3.
When the toner cartridge is used, the elastic isolating sheet 5 effectively prevents carbon powder from entering the isolating cavity 7 and being stacked and pressed on the toner outlet knife 4; when the stirring arm 61 rotates to a specific position (i.e. opposite to the lower cylindrical edge 51 of the elastic spacing piece 5), the elastic stirring piece 62 is in impact connection with the lower end (cylindrical edge 51) of the elastic spacing piece 5, so that the lower end of the elastic spacing piece 5 swings to the left, the distance between the lower end (cylindrical edge 51) of the elastic spacing piece 5 and the developing roller 3 is reduced, and the powder amount at the contact connection position of the powder discharging blade 4 and the surface of the developing roller 3 is controlled by the carbon powder in the powder bin 2; then the lower end of the spacing block 5 is automatically reset, the distance between the lower end (cylindrical edge 51) of the elastic spacing block 5 and the developing roller 3 is increased, the carbon powder which enters the contact joint between the powder outlet knife 4 and the surface of the developing roller 3 can automatically fall out, and the carbon powder in the powder bin 2 are continuously and uniformly mixed under the action of the stirring arm 61; the above steps are repeated until the printing is finished.
Thus, the toner cartridge can avoid the accumulation and pressing of carbon powder on the toner discharging knife 4 through the powder layer thickness control device, thereby greatly reducing the burden borne by the toner discharging knife 4, thoroughly solving the defect that the toner discharging knife is bent and deformed due to excessive powder accumulation and excessive burden of the conventional toner cartridge, and ensuring that the thickness of the toner adsorbed on the surface of the developing roller 3 by the toner discharging knife 4 is more accurately and uniformly controlled, the developing effect is better, more stable and more reliable, the service life is long, the printing quality of the toner cartridge is better, the toner cartridge is simple in structure, easy to produce and process, low in cost, strong in market competitiveness, and easy to popularize and sell, thereby achieving commercial success.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (4)
1. A selenium drum with a powder layer thickness control device comprises a shell (1), wherein a powder bin (2) and a developing roller (3) are arranged in the shell (1), and the developing roller (3) is arranged at a powder outlet of the powder bin (2) and is in contact connection with a powder outlet knife (4) arranged at the upper end of the inner side of the powder outlet; the method is characterized in that: a powder layer thickness control device is arranged in the powder bin (2), and comprises a non-magnetic elastic isolation sheet (5) and a stirring frame (6); the elastic isolation sheet (5) is a plastic elastic sheet or a metal elastic sheet, the elastic isolation sheet (5) is longitudinally arranged in the powder bin (2) and close to the powder outlet, the upper end of the elastic isolation sheet is fixedly connected with the inner side shell of the powder bin (2), the lower end of the elastic isolation sheet extends to the side of the contact joint of the powder outlet knife (4) and the surface of the developing roller (3) and is parallel to the developing roller (3), and an isolation cavity (7) is formed above the powder outlet knife (4); the stirring frame (6) is rotatably arranged in the powder bin (2) and is in impact connection with the lower end of the elastic spacing sheet (5), so that the lower end of the elastic spacing sheet (5) can automatically reset and swing leftwards; the stirring frame (6) comprises a stirring arm (61) and an elastic stirring sheet (62), one end of the stirring arm (61) is rotatably arranged in the powder bin (2), the other end of the stirring arm is provided with the elastic stirring sheet (62), and the elastic stirring sheet (62) rotates along with the stirring arm (61) and is in impact connection with the lower end of the elastic isolating sheet (5);
when in use, the elastic spacing pieces (5) prevent carbon powder from entering the spacing cavities (7) and piling and pressing on the powder discharging knife (4); when the stirring arm (61) rotates to a specific position, the elastic stirring piece (62) is in impact connection with the lower end of the elastic spacing piece (5), so that the lower end of the elastic spacing piece (5) swings leftwards, the distance between the lower end of the elastic spacing piece (5) and the developing roller (3) is reduced, and the powder quantity of the carbon powder in the powder bin (2) entering the contact connection part of the powder outlet knife (4) and the surface of the developing roller (3) is controlled; then the lower end of the isolation sheet (5) automatically resets, the distance between the lower end of the elastic isolation sheet (5) and the developing roller (3) is increased, and the carbon powder which enters the contact joint between the powder outlet knife (4) and the surface of the developing roller (3) automatically falls out and is uniformly mixed with the carbon powder in the powder bin (2) under the action of the stirring arm (61); the above steps are repeated until the printing is finished.
2. The toner cartridge provided with a powder layer thickness control device as claimed in claim 1, wherein: the lower extreme rim of elasticity spacing block (5) is equipped with cylindrical rim (51), the diameter of cylindrical rim (51) is greater than the thickness of elasticity spacing block (5), agitator (6) are connected with cylindrical rim (51) striking.
3. The toner cartridge provided with a powder layer thickness controlling means according to claim 2, wherein: the cylindrical rim (51) is integrally formed with the elastic spacer (5).
4. The toner cartridge provided with a powder layer thickness controlling means according to claim 1, 2 or 3, wherein: the stirring frame (6) is positioned on the right side of the lower end of the elastic spacing sheet (5), and the extension line of the connection of the rotating shaft of the stirring frame and the lower end edge of the elastic spacing sheet (5) is positioned below the contact connection part of the powder outlet knife (4) and the surface of the developing roller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338887.XA CN104880929B (en) | 2015-06-17 | 2015-06-17 | Selenium drum with powder layer thickness control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510338887.XA CN104880929B (en) | 2015-06-17 | 2015-06-17 | Selenium drum with powder layer thickness control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104880929A CN104880929A (en) | 2015-09-02 |
| CN104880929B true CN104880929B (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510338887.XA Active CN104880929B (en) | 2015-06-17 | 2015-06-17 | Selenium drum with powder layer thickness control device |
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| Country | Link |
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| CN (1) | CN104880929B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446107A (en) * | 2015-12-08 | 2016-03-30 | 北海市天硌打印耗材有限公司 | Recycled toner cartridge of laser printer |
| JP6679395B2 (en) * | 2016-04-13 | 2020-04-15 | キヤノン株式会社 | Developing device and image forming device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197523A (en) * | 2013-04-19 | 2013-07-10 | 深圳市南方煜森电子有限公司 | Selenium drum waste-powder-free treatment device and selenium drum |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6143772A (en) * | 1984-08-08 | 1986-03-03 | Ricoh Co Ltd | Developing device |
| JP3147922B2 (en) * | 1991-04-13 | 2001-03-19 | 株式会社リコー | Developing method and apparatus |
| JPH0844206A (en) * | 1994-07-26 | 1996-02-16 | Toshiba Corp | Developing device |
| KR0135733Y1 (en) * | 1996-08-24 | 1999-03-30 | 삼성전자주식회사 | A development apparatus of electrophotographic processor |
| JP3321544B2 (en) * | 1997-04-14 | 2002-09-03 | シャープ株式会社 | Toner cartridge |
| JP4834215B2 (en) * | 2000-08-29 | 2011-12-14 | 東芝テック株式会社 | Image forming apparatus and process unit |
| JP2003098824A (en) * | 2001-09-20 | 2003-04-04 | Ricoh Co Ltd | Development apparatus |
| KR100490421B1 (en) * | 2003-01-10 | 2005-05-17 | 삼성전자주식회사 | Developing device and method of electro-photographic image forming system |
| CN200972573Y (en) * | 2006-07-22 | 2007-11-07 | 珠海天威技术开发有限公司 | Developing box for laser printer |
| CN204198420U (en) * | 2014-11-12 | 2015-03-11 | 重庆市南川区晨曦化工有限公司 | Sulphur slicing machine drawing mechanism |
| CN204832772U (en) * | 2015-06-17 | 2015-12-02 | 珠海市拓佳科技有限公司 | Selenium drum with bisque gauge control device |
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2015
- 2015-06-17 CN CN201510338887.XA patent/CN104880929B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197523A (en) * | 2013-04-19 | 2013-07-10 | 深圳市南方煜森电子有限公司 | Selenium drum waste-powder-free treatment device and selenium drum |
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| CN104880929A (en) | 2015-09-02 |
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