CN102411287A - Powder control structure of novel printer - Google Patents
Powder control structure of novel printer Download PDFInfo
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- CN102411287A CN102411287A CN201110371009XA CN201110371009A CN102411287A CN 102411287 A CN102411287 A CN 102411287A CN 201110371009X A CN201110371009X A CN 201110371009XA CN 201110371009 A CN201110371009 A CN 201110371009A CN 102411287 A CN102411287 A CN 102411287A
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- Prior art keywords
- control powder
- printer control
- support
- novel printer
- metal friction
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The invention discloses a powder control structure of a novel printer, which comprises a supporting member, a metal friction piece connected with a development element in a toner cartridge, an elastic mechanism is provided between the supporting member and the metal friction piece, when the printer works, powdered carbon absorbed on the surface of an aluminum pipe carries higher electrified quantity through the friction of the metal friction piece, an uniform layer of electrified powdered carbon can be formed on the surface of the aluminum pipe through extrusion effect of the elastic mechanism, thereby the stabilization of powder control can be realized. The powdered carbon with the above structure effect has characteristics of higher electrified quantity and stable powder control, so that the problems of light printing color, decreased blackness and bottom ash caused by insufficient electrified quantity of powdered carbon can be avoided.
Description
Technical field
The present invention relates to a kind of control powder device, particularly a kind of control powder structure that is used for printer toner cartridge.
Background technology
In laser printer, the development of beating is a kind of visualization way commonly used (as shown in Figure 1), and it has, and print quality is good, moment of torsion is little, stable advantages of higher.Particularly in the monochromatic printing in middle and high end, has clear superiority.
At present the monochromatic laser printer of Hewlett-Packard and Canon all adopts this kind pattern, and its principle of work is following: its magnetic roller is made up of the magnetic core that is equipped with in aluminum pipe and the pipe, during work owing to the effect of magnetic core; The magnetic carbon dust can be adsorbed on aluminum tube surfaces in a large number, along with aluminum pipe rotates (magnetic core is fixed), when forwarding the rubber strip position to; Owing to be squeezed, carbon dust can form layer of even carbon dust layer in aluminum tube surfaces, simultaneously because friction; Can make negative charge certain on the carbon dust band, and machine can apply certain bias voltage to aluminum tube surfaces, the carbon dust of aluminum tube surfaces is beated in aluminum tube surfaces under the effect of magnetic field force and electric field force back and forth; Aluminum pipe and photosensitive drums over against the time; Charged toner on it can be adsorbed to the sub-image district of photosensitive drums, develops thereby accomplish, and said process is the process of beating and developing.
In this developing process, the charged height of carbon dust plays a decisive role to the quality of final printing.At present in the printer that develops is beated in the use of Hewlett-Packard and Canon; The charged of carbon dust all is rely on carbon dust and rubber strip fricative; The rubber strip sheet generally all adopts PU (polyurethane) material to constitute; Owing to carried charge is not enough, it is shallow printed colors to occur through regular meeting in actual use, problems such as blackness decay and bottom ash.
Summary of the invention
In order to overcome the deficiency of prior art, the present invention provides a kind of frictional electrification high, the control powder device of control powder good stability, thereby avoided because of the not enough printed colors that causes of carbon dust carried charge shallow, problems such as blackness decay and bottom ash.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of novel printer control powder structure is characterized in that: comprise that being arranged at propping up in the toner cartridge claims that a part reaches and the contacted metal friction spare of developing element, is provided with elastic mechanism between this a metal friction spare and a title part.
Said metal friction spare is a sheet metal.
Said metal friction spare is a metallic roll.
Said elastic mechanism is a rubber layer.
Claim that part is provided with first rubber strip for said.
Said elastic mechanism is a compression spring.
Claim that part comprises first support and second support for said, said metallic roll is hubbed in first support, and the two ends of said compression spring are connected with first support and second support respectively.
The xsect of the said first support inside surface is a circular arc, and this circular arc arc length is longer than semi arch.
Be provided with knife rest in the said toner cartridge, knife rest is provided with second rubber strip.
The invention has the beneficial effects as follows: comprise that a title part that is arranged in the toner cartridge reaches and the contacted metal friction spare of developing element; This claims to be provided with elastic mechanism between part and metal friction spare; Thereby printer when work, be adsorbed on friction that the carbon dust of aluminum tube surfaces can be through metal friction spare with on higher carried charge, through the squeezing action of elastic mechanism; Charged toner can form uniform one deck in aluminum tube surfaces, thereby the control powder is stable.
Thereby the carbon dust through the said structure effect not only has higher carried charge, and the control powder is stable, thus avoided because of the not enough printed colors that causes of carbon dust carried charge shallow, problems such as blackness decay and bottom ash.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified:
Fig. 1 is the control powder device synoptic diagram of the old structure of the present invention;
Fig. 2 is the diagrammatic cross-section of first specific embodiment;
Fig. 3 is the diagrammatic cross-section of the another kind of structure of first specific embodiment;
Fig. 4 is the diagrammatic cross-section of second specific embodiment;
Fig. 5 is the diagrammatic cross-section of the other direction of second specific embodiment;
Fig. 6 is the diagrammatic cross-section of the another kind of structure of second specific embodiment.
Embodiment
With reference to Fig. 2, the invention discloses a kind of novel printer control powder structure, comprise that being arranged at propping up in the toner cartridge claims that a part 1 reaches and developing element 2 contacted metal friction spares 4, this a metal friction spare 4 and 1 of a part of title are provided with elastic mechanism 3.
As shown in Figure 2; In this first specific embodiment, metal friction spare 4 is a sheet metal, and elastic mechanism 3 is a rubber layer; Through rubber layer squeezing action; Charged toner can form uniform one deck in aluminum tube surfaces, thereby the control powder is stable, and the elastic force of rubber layer can make the friction force between sheet metal and carbon dust remain in the suitable scope.Install in order to reach convenient; Sheet metal is combined as a whole through mode and the rubber layer of pasting, but above-mentioned mounting means is not construed as limiting the invention, and said structure also can pass through screw retention; But screw retention not only influences the elasticity of rubber layer, and more complicated than pasting on the technology.
As shown in the figure; Elastic mechanism 3 is a rubber layer, and the rubber material can adopt sponge foaming kind rubber, also can adopt soft entity rubber; Certainly elastic mechanism 3 can also have multiple choices like layer of polyurethane, nylon layer etc., can as long as can reach the identical similar effect of this practicality.
As shown in Figure 3, Fig. 3 is the another kind of structure of first specific embodiment, and the structure shown in this legend is compared difference and is with the structure of Fig. 2: a title part 1 is provided with first rubber strip 7; This structure forms uniform carbon dust layer through the squeezing action of first rubber strip 7 earlier; Be with low electric weight, again the friction through sheet metal 3 with on higher carried charge and further make the carbon dust layer even, thereby the control powder is more stable; When aluminum pipe turn to photosensitive drums over against the time; Under electric field force and magnetic field force effect, the charged toner on the aluminum pipe can be adsorbed to the sub-image district of photosensitive drums, develops thereby accomplish.
With reference to Fig. 4, Fig. 5; In this second specific embodiment; Prop up and claim that part 1 comprises first support and second support; Be pivoted with in first support and developing element 2 contacted metallic roll, metallic roll can adopt solid rod also can adopt hollow tubular, and is provided with the compression spring that connects first support and second support between first support and second support.
Like Fig. 4, shown in Figure 5, in this specific embodiment, the first support inside surface is a smooth surface; Metallic roll can freely be rotated in first support, and the cross-sectional profiles line of first inside surface is a circular arc, and this circular arc arc length is greater than semi arch; Through said structure, metallic roll can snap in from the opening part of first support, and is difficult in first support, deviating from; Make simply purpose easy for installation thereby reach.
As shown in the figure, in this specific embodiment, elastic mechanism 3 is a compression spring; Through the squeezing action of compression spring, charged toner can form uniform one deck in aluminum tube surfaces, thereby the control powder is stable; And the elastic force of compression spring can make the friction force between metallic roll and carbon dust remain in the suitable scope; Above-mentioned is of the present invention preferred, the present invention is not constituted restriction, and the present invention also can adopt flexible member such as torsion spring, leaf spring or elastic construction to reach same or analogous purpose.
As shown in Figure 6, Fig. 6 is the another kind of structure of this second specific embodiment, and the structure shown in this legend is compared difference and is with Fig. 4 and structure shown in Figure 5: be provided with knife rest 5 in the toner cartridge; This knife rest 5 is provided with second rubber strip 6, and this structure forms uniform carbon dust layer through the squeezing action of second rubber strip 6 earlier, is with low electric weight; Again the friction through metallic roll 4 with on higher carried charge and further make the carbon dust layer even; Thereby the control powder more stable, when aluminum pipe turn to photosensitive drums over against the time, under electric field force and magnetic field force effect; Charged toner on the aluminum pipe can be adsorbed to the sub-image district of photosensitive drums, develops thereby accomplish.
Among the present invention, except first and second practical implementations exception, also have the 3rd specific embodiment, the difference of the 3rd specific embodiment and second specific embodiment is: metal friction spare 4 has adopted sheet metal.Also can make higher carried charge on the carbon dust band that is adsorbed on aluminum tube surfaces through said structure, thus reach with second specific embodiment in the effect that structure reached identical or close.
Above-mentionedly just preferred embodiments more of the present invention are illustrated and describe, but embodiment of the present invention is not restricted to the described embodiments,, all should belong to protection scope of the present invention as long as it reaches technique effect of the present invention with essentially identical means.
Claims (9)
1. a novel printer control powder structure is characterized in that: comprise that being arranged at propping up in the toner cartridge claims that a part reaches and the contacted metal friction spare of developing element, is provided with elastic mechanism between this a metal friction spare and a title part.
2. a kind of novel printer control powder structure according to claim 1, it is characterized in that: said metal friction spare is a sheet metal.
3. a kind of novel printer control powder structure according to claim 1, it is characterized in that: said metal friction spare is a metallic roll.
4. according to claim 2 or 3 described a kind of novel printer control powder structures, it is characterized in that: said elastic mechanism is a rubber layer.
5. a kind of novel printer control powder structure according to claim 4 is characterized in that: claim that part is provided with first rubber strip for said.
6. according to claim 2 or 3 described a kind of novel printer control powder structures, it is characterized in that: said elastic mechanism is a compression spring.
7. a kind of novel printer control powder structure according to claim 6; It is characterized in that: claim that part comprises first support and second support for said; Said metallic roll is hubbed in first support, and the two ends of said compression spring are connected with first support and second support respectively.
8. a kind of novel printer control powder structure according to claim 7, it is characterized in that: the xsect of the said first support inside surface is a circular arc, and this circular arc arc length is longer than semi arch.
9. a kind of novel printer control powder structure according to claim 8, it is characterized in that: be provided with knife rest in the said toner cartridge, knife rest is provided with second rubber strip.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110371009XA CN102411287A (en) | 2011-11-21 | 2011-11-21 | Powder control structure of novel printer |
PCT/CN2012/071152 WO2013075411A1 (en) | 2011-11-21 | 2012-02-15 | Toner control structure for printer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110371009XA CN102411287A (en) | 2011-11-21 | 2011-11-21 | Powder control structure of novel printer |
Publications (1)
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CN102411287A true CN102411287A (en) | 2012-04-11 |
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CN201110371009XA Pending CN102411287A (en) | 2011-11-21 | 2011-11-21 | Powder control structure of novel printer |
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CN (1) | CN102411287A (en) |
WO (1) | WO2013075411A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113031416A (en) * | 2021-04-23 | 2021-06-25 | 中山市奔码打印耗材有限公司 | Powder control structure of laser printer processing box |
WO2022262306A1 (en) * | 2021-03-05 | 2022-12-22 | 曹国柱 | Residual toner-free type elastic toner control structure for laser printer process cartridge |
Citations (5)
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CN200956090Y (en) * | 2006-07-31 | 2007-10-03 | 余杰 | Doctor blade for laser printer |
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 |
CN201097114Y (en) * | 2007-05-31 | 2008-08-06 | 珠海天威技术开发有限公司 | Powder output knife and carbon powder box |
CN101587322A (en) * | 2008-05-23 | 2009-11-25 | 佳能株式会社 | Cartridge and image forming apparatus |
CN101986212A (en) * | 2010-11-30 | 2011-03-16 | 珠海市奔码打印耗材有限公司 | Powder control device for toner cartridge |
Family Cites Families (6)
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JPH01283577A (en) * | 1988-05-10 | 1989-11-15 | Konica Corp | Developing device |
JPH03174176A (en) * | 1989-09-29 | 1991-07-29 | Ricoh Co Ltd | Pressurized contact cylindrical member pair of image forming device |
JPH04343376A (en) * | 1991-05-21 | 1992-11-30 | Konica Corp | Developing device |
JPH10213972A (en) * | 1997-01-29 | 1998-08-11 | Ricoh Co Ltd | Developing device |
JP2965528B2 (en) * | 1997-06-05 | 1999-10-18 | 株式会社リコー | Image forming device |
CN202362589U (en) * | 2011-11-21 | 2012-08-01 | 珠海市奔码打印耗材有限公司 | Novel toner control structure of printer |
-
2011
- 2011-11-21 CN CN201110371009XA patent/CN102411287A/en active Pending
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2012
- 2012-02-15 WO PCT/CN2012/071152 patent/WO2013075411A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN200956090Y (en) * | 2006-07-31 | 2007-10-03 | 余杰 | Doctor blade for laser printer |
CN201097114Y (en) * | 2007-05-31 | 2008-08-06 | 珠海天威技术开发有限公司 | Powder output knife and carbon powder box |
CN101587322A (en) * | 2008-05-23 | 2009-11-25 | 佳能株式会社 | Cartridge and image forming apparatus |
CN101986212A (en) * | 2010-11-30 | 2011-03-16 | 珠海市奔码打印耗材有限公司 | Powder control device for toner cartridge |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022262306A1 (en) * | 2021-03-05 | 2022-12-22 | 曹国柱 | Residual toner-free type elastic toner control structure for laser printer process cartridge |
CN113031416A (en) * | 2021-04-23 | 2021-06-25 | 中山市奔码打印耗材有限公司 | Powder control structure of laser printer processing box |
Also Published As
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WO2013075411A1 (en) | 2013-05-30 |
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Application publication date: 20120411 |