CN202331021U - Scraper and processing box - Google Patents

Scraper and processing box Download PDF

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Publication number
CN202331021U
CN202331021U CN 201120445409 CN201120445409U CN202331021U CN 202331021 U CN202331021 U CN 202331021U CN 201120445409 CN201120445409 CN 201120445409 CN 201120445409 U CN201120445409 U CN 201120445409U CN 202331021 U CN202331021 U CN 202331021U
Authority
CN
China
Prior art keywords
blade
scraper
knife rest
side direction
along
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 - Fee Related
Application number
CN 201120445409
Other languages
Chinese (zh)
Inventor
宋道权
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Print Rite Unicorn Image Products Co Ltd
Original Assignee
Print Rite Unicorn Image Products Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Print Rite Unicorn Image Products Co Ltd filed Critical Print Rite Unicorn Image Products Co Ltd
Priority to CN 201120445409 priority Critical patent/CN202331021U/en
Application granted granted Critical
Publication of CN202331021U publication Critical patent/CN202331021U/en
Priority to PCT/CN2012/083755 priority patent/WO2013067892A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • 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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0011—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using a blade; Details of cleaning blades, e.g. blade shape, layer forming
    • G03G21/0029—Details relating to the blade support
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Cleaning In Electrography (AREA)
  • Electrophotography Configuration And Component (AREA)

Abstract

The utility model provides a scraper and a processing box. The scraper comprises a knife rest, wherein a blade is fixed on an edge of one end which extends along a long side direction of the knife rest; and the knife rest is provided with supporting blocks stretching into the blade. The supporting blocks extending out of the knife rest are arranged in the blade, and the supporting strength of the blade is improved, so that the blade is difficult to turn in the using process, the normal working efficiency of the scraper is guaranteed, and the printing quality is improved.

Description

Scraper and handle box
Technical field
The utility model relates to electronic imaging device, especially the scraper of the handle box of electronic imaging device and interior installation thereof.
Background technology
Electrophotograph imaging device is a kind ofly to utilize electric photographing imaging to handle the equipment that on recording materials, forms image, and it comprises that electrophotographic copier, electricity are taken a picture and prints facsimile recorder that mechanical, electrical photograph prints etc.The handle box that in electrophotograph imaging device, uses is one and comprises that at least handle box can be releasably attached in the main body of electrophotograph imaging device as the developer roll of developing apparatus and the unit box of photosensitive drums.
A typical electrophotograph imaging device is a laser printer, and laser printer is one of present most widely used computing machine output peripheral equipment, and it utilizes physics, the principles of chemistry output character or image on media such as paper of light, electricity, heat.The groundwork process of laser printer can be divided into seven steps such as charging, exposure, development, transfer printing, photographic fixing, the electricity that cleans, disappears.At first, photosensitive drum surface is charged by charging roller equably, and laser scanner is launched the laser through ovennodulation that contains image information to photosensitive drums, forms and the electrostatic latent image of treating that duplicating image is corresponding at photosensitive drum surface.Then, from the carbon dust of developer roll then be adsorbed on and make electrostatic latent image convert visual image on the photosensitive drum surface, along with the rotation of photosensitive drums, carbon dust replaces to transfer roll at the visual image that photosensitive drum surface forms.At last; Under the effect of transfer roll transfer voltage; Visual image is transferred on the recording mediums such as paper; Through heating and the pressurization of warm-up mill and backer roll to the visual image on the recording medium, the visual image full solidification of carbon dust formation on recording medium, the basic imaging process of Here it is laser printer.When laser printer uses, constantly repeat basic imaging process.
Developer roll is through electrostatic absorption principle the carbon dust in the toner to be adsorbed on its surface.Before the carbon dust on the developer roll is transferred on the photosensitive drums, need be adjusted to suitable thickness through the powder delivery scraper carbon dust that developer roll is surperficial, in order to the homogeneity that guarantees to develop.The side face of the blade of powder delivery scraper contact developer roll along developer roll axial elasticity ground, the length of its blade is identical with the axial length of developer roll workspace.Making the carbon dust layer that it is suitable that the developer roll surface has all even thickness of one deck through the powder delivery scraper is the good key of print quality.
Photosensitive drums is before reusing, and its last course of work makes photosensitive drum surface leave rest potential, and because rest potential to the attractive force of carbon dust, makes that photosensitive drum surface can residual a small amount of carbon dust.Have only the rest potential of elimination and residual carbon dust, could improve transfer efficiency.So, need and disappear to the photosensitive drums cleaning.The electricity that disappears adopts pre-exposure usually, and cleaning adopts cleaning doctor usually.Cleaner scraper blade along photosensitive drum shaft on the side face of being close to photosensitive drums; The long limit of cleaner scraper blade is identical with the axial length of photosensitive drums workspace; In the photosensitive drums rotation process, cleaning doctor scrapes off the residual carbon dust on its surface, and residual carbon dust falls in the waste powder hopper.
Powder delivery scraper and cleaning doctor all are made up of knife rest and the blade that is fixed on the knife rest, and its difference is that powder delivery doctor blade holder minor face is narrower with respect to cleaning doctor knife rest minor face.Powder delivery scraper and cleaning doctor are referred to as scraper.
Existing adhesive tape type scraper, blade fixing on its knife rest is an adhesive tape.In the scraper use; Its adhesive tape one end limit is fixed on the knife rest; Other end limit is cantilever-shaped stretches out, and the end limit of being stretched out keeps flexibly contacting with developer roll or photosensitive drums, under the drag effect of the carbon dust that is adsorbed in developer roll or photosensitive drum surface; Turnup takes place and departs from developer roll or photosensitive drum surface in the end limit of being stretched out easily; So, causing the carbon dust on developer roll surface not wipeed off equably can not clean to the residual carbon dust of suitable thickness, photosensitive drum surface, has a strong impact on print quality.
Summary of the invention
The fundamental purpose of the utility model provides a kind of scraper that prevents the blade turnup;
Another purpose of the utility model provides a kind of effective handle box of powder of scraping.
For realizing above-mentioned fundamental purpose, the scraper that the utility model provides comprises knife rest; Along fixed blade on the end limit that the knife rest long side direction extends; Knife rest has the back-up block that stretches in the blade.
Can be known that by such scheme the back-up block that stretches in the blade makes blade have anchorage force better, when work, the resistance of carbon dust is difficult for making it that turnup takes place, and makes its normal service efficiency of scraper performance, guarantees print quality.
Concrete scheme is that back-up block extends along the blade short side direction.During use,, adopt the back-up block that extends along the blade short side direction to have bigger effective supporting surface because the suffered resistance of blade mainly is perpendicular to the face body of blade.
Scheme is more specifically, and back-up block has a plurality of and along knife rest long side direction separation.This makes that blade entire compression power strengthens.
Scheme is more specifically, and blade is fixed on the knife rest through Shooting Technique.This makes that blade and knife rest link together securely.
The handle box that the utility model also provides comprises developing device, and developing device comprises powder storehouse, developer roll, and exit, powder storehouse is provided with as the described scraper of above-mentioned scheme, the side face of the blade of scraper contact developer roll along developer roll axial elasticity ground.
The handle box that the utility model also provides comprises bulging assembly, and the drum assembly comprises waste powder hopper, photosensitive drums, install on the waste powder hopper as the described scraper of above-mentioned scheme, the blade of scraper along photosensitive drum shaft to the side face that flexibly contacts photosensitive drums.
Description of drawings
Fig. 1 is the stereographic map of the utility model scraper embodiment intermediate slide;
Fig. 2 is the structural representation of scraper embodiment;
Fig. 3 is an A partial enlarged view among Fig. 2.
Below in conjunction with accompanying drawing and each embodiment the utility model is described further.
Embodiment
Scraper embodiment
Referring to Fig. 1, Fig. 1 shows the structural drawing of the knife rest of scraper.
Knife rest 1 roughly is rectangle, and it has a kink along one side 101 that long side direction extends, and relative another side 102 is used for fixing blade.On the burnishing surface between the two long limits of knife rest " X " type reinforcement is set, the kink place is provided with the set square reinforcement.These reinforcements make whole bending resistance of knife rest and resistance to torsion be able to strengthen.Also be provided with protruding striped rib 105 on the burnishing surface near long limit 102.
Long limit 102 is provided with the back-up block 103 of three protrusions, and back-up block 103 stretches out along the knife rest short side direction.
Knife rest 1 is provided with mounting hole 104 respectively along the two ends of long side direction, is used for knife rest 1 is fixed in the corresponding installation position on the handle box.
Referring to Fig. 2, Fig. 2 shows the structure of scraper, is about to blade 2 and is fixed on the long limit 102 of knife rest 1 shown in Figure 1 through Shooting Technique.
Blade 2 adopts plastic material, and blade 2 will be grown limit 102 and encase, and back-up block 103 stretches into the blade the inside, and blade 2 is fixed into one with knife rest 1.
Referring to Fig. 3, Fig. 3 is an A partial enlarged view among Fig. 2.The structure that back-up block 103 is embedded in blade 2 the insides has been shown among the figure, and striped rib 105 also is embedded in blade 2 the insides.Back-up block 103 makes blade 2 have the better anti-anchorage force that curls, and striped rib 105 makes stable that injection moulding combines between blade and the knife rest.
The blade of present embodiment scraper can bear bigger working resistance, is difficult for taking place turnup.
Handle box embodiment one
The handle box of the utility model mainly comprises powder storehouse, developer roll, powder delivery scraper, charging roller, photosensitive drums, cleaning doctor, waste powder hopper etc.
The powder delivery scraper has the structure like above-mentioned scraper embodiment.The side face of the blade of powder delivery scraper contact developer roll along developer roll axial elasticity ground.
When present embodiment uses, have the back-up block that stretches out from knife rest in the blade of powder delivery scraper, make the blade support ability strengthen, be difficult for turnup takes place, carbon dust thickness is evenly suitable on the may command developer roll.
Handle box embodiment two
Handle box mainly comprises powder storehouse, developer roll, powder delivery scraper, charging roller, photosensitive drums, cleaning doctor, waste powder hopper etc.
Cleaning doctor has the structure like above-mentioned scraper embodiment.The blade of cleaning doctor along photosensitive drum shaft to the side face that flexibly contacts developer roll.
When present embodiment uses, have the back-up block that stretches out from knife rest in the blade of cleaning doctor, make the blade support ability strengthen; Be difficult for taking place turnup; Can the carbon dust on the photosensitive drums be scraped totally, guarantee the photosensitive drums normal operation of next work period, improve print quality.
Certainly; The structure of powder delivery scraper and cleaning doctor can have a little different, and both are applied on the handle box because of it position and function thereof are slightly different, so can carry out accommodation according to the requirement of its installation position; Installing space such as the powder delivery scraper is limited; The minor face of its knife rest is narrower, and the installing space of cleaning doctor is bigger with respect to the powder delivery scraper, so the minor face of the knife rest of cleaning doctor is slightly wide.For the design of different disposal box, the mounting hole 104 of scraper also can be arranged on the flanging, can also be slotted eye etc. is installed.
Certainly, the foregoing description only is the preferable embodiment of the utility model, during practical application more variation can also be arranged, and for example, back-up block is along the change of arranging number on the knife rest long side direction, as perhaps more a plurality of less than three; Perhaps, the change of back-up block shape, as change strip etc. into, these change the purpose that can realize the utility model equally.

Claims (10)

1. scraper comprises
Knife rest;
Along fixed blade on the end limit that said knife rest long side direction extends;
It is characterized in that:
Said knife rest has the back-up block that stretches in the said blade.
2. scraper according to claim 1 is characterized in that:
Said back-up block extends along said blade short side direction.
3. scraper according to claim 2 is characterized in that:
Said back-up block has a plurality of, along said knife rest long side direction separation.
4. according to each described scraper of claim 1 to 3, it is characterized in that:
Said blade is fixed on the said knife rest through Shooting Technique.
5. handle box comprises:
Developing device, said developing device comprises powder storehouse, developer roll;
It is characterized in that:
Exit, said powder storehouse is provided with scraper as claimed in claim 1;
The side face of the blade of said scraper said developer roll of contact along said developer roll axial elasticity ground.
6. handle box according to claim 5 is characterized in that:
Said back-up block extends along said blade short side direction.
7. handle box according to claim 6 is characterized in that:
Said back-up block has a plurality of, along said knife rest long side direction separation.
8. handle box comprises
The drum assembly, said bulging assembly comprises waste powder hopper, photosensitive drums;
It is characterized in that:
Scraper as claimed in claim 1 is installed on the said waste powder hopper;
The said photosensitive drum shaft in blade edge of said scraper is to the side face that flexibly contacts said photosensitive drums.
9. handle box according to claim 8 is characterized in that:
Said back-up block extends along said blade short side direction.
10. handle box according to claim 9 is characterized in that:
Said back-up block has a plurality of, along said knife rest long side direction separation.
CN 201120445409 2011-11-11 2011-11-11 Scraper and processing box Expired - Fee Related CN202331021U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN 201120445409 CN202331021U (en) 2011-11-11 2011-11-11 Scraper and processing box
PCT/CN2012/083755 WO2013067892A1 (en) 2011-11-11 2012-10-30 Scraper and process cartridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120445409 CN202331021U (en) 2011-11-11 2011-11-11 Scraper and processing box

Publications (1)

Publication Number Publication Date
CN202331021U true CN202331021U (en) 2012-07-11

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ID=46442996

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120445409 Expired - Fee Related CN202331021U (en) 2011-11-11 2011-11-11 Scraper and processing box

Country Status (2)

Country Link
CN (1) CN202331021U (en)
WO (1) WO2013067892A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013067892A1 (en) * 2011-11-11 2013-05-16 珠海天威飞马打印耗材有限公司 Scraper and process cartridge

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006267321A (en) * 2005-03-23 2006-10-05 Canon Inc Process cartridge
CN2911740Y (en) * 2006-05-24 2007-06-13 珠海天威技术开发有限公司 Carbon power cartridge for laser printer
JP2010096949A (en) * 2008-10-16 2010-04-30 Seiko Epson Corp Cleaning device and image forming apparatus
CN201820086U (en) * 2010-10-21 2011-05-04 珠海天威飞马打印耗材有限公司 Powder output knife and carbon powder box
CN202331021U (en) * 2011-11-11 2012-07-11 珠海天威飞马打印耗材有限公司 Scraper and processing box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013067892A1 (en) * 2011-11-11 2013-05-16 珠海天威飞马打印耗材有限公司 Scraper and process cartridge

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Publication number Publication date
WO2013067892A1 (en) 2013-05-16

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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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120711

Termination date: 20201111