CN201638007U - Carbon powder box for laser printer - Google Patents
Carbon powder box for laser printer Download PDFInfo
- Publication number
- CN201638007U CN201638007U CN2010201190778U CN201020119077U CN201638007U CN 201638007 U CN201638007 U CN 201638007U CN 2010201190778 U CN2010201190778 U CN 2010201190778U CN 201020119077 U CN201020119077 U CN 201020119077U CN 201638007 U CN201638007 U CN 201638007U
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- China
- Prior art keywords
- knife rest
- carbon powder
- powder
- locating piece
- laser printer
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- Expired - Lifetime
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Abstract
The utility model relates to a carbon powder box for a laser printer, which comprises a developing roller, a powder feeding roller, a powder outlet knife, a stirring rack and a carbon powder bin. The stirring rack is supported in the carbon powder bin in a rotating manner, with the axial direction parallel to that of the developing roller. The two axial ends of the stirring rack stretch out of the carbon powder bin. The powder outlet knife is composed of a knife rack and a knife blade fixed together, and is fixed at a powder outlet of the carbon powder bin after respectively penetrating through waist-shaped holes arranged at the two ends of the knife rack by two bolts. The knife edge part of the powder outlet knife is kept in contact with the outer circumferential surface of the developing roller. Positioning blocks are arranged at the positions between the knife rack and the bolts correspondingly to the waist-shaped holes, and are particularly clamped between the knife rack and the bolts. The thickness of the positioning blocks corresponding to the two bolts in the directions of long shafts of the waist-shaped holes is the same. The carbon powder box can obtain a carbon powder layer with uniform thickness between the developing roller and the powder outlet knife.
Description
Technical field
The utility model is a carbon powder cartridge for laser printer.This cartridge is the cartridge that comprises developer roll, powder feeding roller, powder delivery cutter, puddle support and toner, it is laid in the electrostatic latent image zone of photosensitive drum surface to the carbon dust that holds in the toner according to default layout by developer roll, and electrostatic latent image is converted to by the shown visual image of carbon dust and so on developer.
Background technology
Equipment for forming image generally includes different types of machines such as duplicating machine, laser printer, facsimile recorder, colour band printer and LED printer.
In the Equipment for forming image of laser scanning or laser photo-typesetting form, carbon dust be realization figure～～light～～electricity～～the final image forming medium of figure conversion.Usually, developer roll just is arranged near the photosensitive drums, forms image behind the minimum gap so that carbon dust is jumped between developer roll and the photosensitive drums on photosensitive drums.By the carbon dust of developer roll transhipment from toner.The Chu Fenliang of toner is subjected to the warehouse capacity limitation, therefore, need be replenished after the carbon dust in the toner is used up.
As a class of laser image formation device, the major function piece of laser printer comprises: laser scan unit, photoelectric conversion unit, charhing unit, developing cell, transfer printing unit and fixation unit.
The main member of laser scan unit is laser generator and light reflection and transmission system.
The main member of photoelectric conversion unit is a photosensitive drums.
Charhing unit mainly comprises the charging roller of positive charge grid-control formula corona charging roller or other form.
Developing cell is made of the storage powder chamber, developing room and the developer roll that are used to store carbon dust.Developer roll, powder feeding roller, powder delivery cutter just are arranged in the developing room.Puddle support and toner constitute storage powder chamber jointly.
Transfer printing unit mainly comprises transfer roll.
Fixation unit is made of warm-up mill and backer roll.
Common cartridge or handle box generally include several functional blocks of bearing photoelectricity figure conversion such as photoelectric conversion unit, charhing unit, developing cell, and one obtains the cartridge or the handle box of multi-functional integrated-type this kind make.The mode that difference in functionality carries out different layouts of distinguishing that adopts is also arranged, photoelectric conversion unit, charhing unit directly are arranged on the laser printing machine host, cartridge then only comprises developing cell, this kind make only can obtain only can implementing the cartridge of single developing function, and the form of then assembling with assembly between this type of simple function cartridge and the laser printing machine host is finished coupling between the two.
Under cartridge was packed the user mode of laser printer into, photosensitive drum surface was charged equably by charging roller.Laser scanner contains image information and through the laser of ovennodulation, forms and the electrostatic latent image for the treatment of that duplicating image is corresponding at photosensitive drum surface to photosensitive drums emission.Afterwards, from the carbon dust of developer roll then be adsorbed on the photosensitive drum surface, electrostatic latent image is converted to visual image.Along with the rotation of photosensitive drums, the visual image that is formed at photosensitive drum surface by carbon dust replaces to the transfer roll position.Effect through the transfer roll transfer voltage, the carbon dust of visual image form is transferred on the recording mediums such as paper, with after after warm-up mill and backer roll carried out heating and pressurizing to the visual image on the recording medium, the visual image that carbon dust is formed forever solidified on recording medium.Finish a basic imaging operation flow process like this.
No matter be the cartridge of multi-functional integrated-type, or be the cartridge of simple function type, transport the back by the carbon dust that developer roll carries from the toner transfer, all must accept the regulation and control of powder delivery cutter, could on the developer roll outer circumference surface, form the uniform carbon dust layer of thickness distribution.The structural regime of powder delivery cutter and regulating power are the important steps of finishing image recording, guarantee that the powder delivery cutter reaches that to regulate carbon dust layer to the requirement of predetermined thickness be to need the sport technique segment paid close attention in the cartridge design.Shown in Fig. 1～3, on cartridge 100, be laid with developer roll 101, powder feeding roller 102, powder delivery cutter 103, puddle support 104 and toner 105.Developer roll 101 is supported in the meal outlet 107 that is opened on the toner 105.Puddle support 104 with its axially parallel in the axial mode rotatably support of developer roll 101 in toner 105.Puddle support 104 and developer roll 101 axial two ends separately all stretch out in outside the toner 105, form independent rotation separately so that accept the moment of torsion that the laser printing machine host transmits.Powder delivery cutter 103 also is set up near the meal outlet 107 of toner 105, and its cutting edge portion 106 keeps in touch with the outer circumference surface of developer roll 101, and powder delivery cutter 103 integral body are also being born the effect with regard to self position sealing meal outlet 107.Powder delivery cutter 103 is made of knife rest 108 and sword sheet 109.Sword sheet 109 has elasticity preferably, and it is fixed on the knife rest 108 by bolt or bonding form, and cutting edge portion 106 is ends of sword sheet 109 contact developer rolls 101 outer circumference surfaces.On knife rest 108, respectively offer a mounting hole 110 in the two ends of its long side direction.Powder delivery cutter 103 promptly is fixed on the cartridge 100 through the bolt (not shown) by these two mounting holes 110.Under powder delivery cutter 103 is assembled to state on the cartridge 100, the long side direction of knife rest 108 be parallel to developer roll 101 axially.Under powder delivery cutter 103 is assembled to state on the cartridge 100, the long axis direction of mounting hole 110 is axial perpendicular to developer roll 101, so that the restraint location of aforementioned bolt can form adjustability in mounting hole 110, regulate the exposure level of the cutting edge portion 106 of sword sheet 109, reach the purpose of on developer roll 101 outer circumference surfaces, obtaining preset thickness carbon dust layer with developer roll 101 outer circumference surfaces.Above-mentioned mounting hole structural form, regulate the convenience of the cutting edge portion 106 of sword sheet 109 though brought with developer roll 101 outer circumference surface exposure levels, but many uncertain factors have also been produced, for example, two bolts different restraint locations in mounting hole 110 separately will cause powder delivery cutter 103 to be in different positions, and then between the different parts of the cutting edge portion 106 of sword sheet 109 and developer roll 101 outer circumference surfaces, form the different contact degree of depth, the elastic force that causes 109 pairs of developer rolls 101 of sword sheet to apply forms Gradient distribution, finally make from being developed the carbon dust layer thickness that roller 101 takes out of between cutting edge portion 106 and the developer roll 101 and axially form irregular distribution at developer roll 101, also influence the carbon dust layer between cutting edge portion 106 and the developer roll 101 through carried charge that friction is obtained and the aging speed that returns the carbon dust in the toner 105, cause print defect eventually, so the fixed position of powder delivery cutter 103 is extremely important.
Summary of the invention
At the construction problem that above-mentioned cartridge exists, the utility model purpose is to provide a kind of its powder delivery cutter installation site can keep higher conforming carbon powder cartridge for laser printer.
For reaching to above-mentioned the utility model purpose, the utility model utilization has the laser printer carbon powder box of following make, and it comprises developer roll, powder feeding roller, powder delivery cutter, puddle support and toner.Puddle support with its axially parallel in the axial mode rotatably support of developer roll in toner.The axial two ends of puddle support stretch out in outside the toner.The powder delivery cutter is made of knife rest fixed with each other and sword sheet.The powder delivery cutter passes the meal outlet that is fixed in toner behind the mounting hole that is arranged at the knife rest two ends respectively via two bolts.The cutting edge portion of powder delivery cutter keeps in touch with the outer circumference surface of developer roll.Position corresponding to mounting hole between knife rest and bolt is provided with locating piece.Locating piece is clamped between knife rest and the bolt.Locating piece corresponding to two bolts has identical thickness on the long axis direction of mounting hole.
Aforementioned laser printer cartridge, its locating piece is fixed on the knife rest with the activity inserting mode.
Aforementioned laser printer cartridge, its locating piece is fixed on the knife rest with bonding way.
Aforementioned laser printer cartridge, its locating piece are the positioning strips that directly stamps out on knife rest.
Carbon powder cartridge for laser printer of the present utility model adopts the form that locating piece is set in the position corresponding to mounting hole between knife rest and bolt, can realize the good location of powder delivery cutter at the meal outlet of toner.This make, kept regulating the convenience of sword sheet on the one hand with exposure level between the developer roll outer circumference surface, on the one hand two bolts can be unified in identical position in the position of mounting hole separately again, like this, just overcome the differences that between sword sheet different parts and developer roll outer circumference surface, the form contact degree of depth that original two bolts cause because of restraint location is different in mounting hole separately, finally made from being developed the carbon dust layer acquisition same thickness that roller strap goes out between sword sheet and the developer roll.
Description of drawings
Fig. 1 has the carbon powder cartridge for laser printer skeleton view now.
Fig. 2 has the carbon powder cartridge for laser printer cut-open view now.
Fig. 3 is the local amplification view of Fig. 2 cartridge, and the cutting edge portion contact condition between the two of developer roll and powder delivery cutter is shown.
The used powder delivery cutter of Fig. 4 the utility model carbon powder cartridge for laser printer embodiment one skeleton view.
The used powder delivery cutter of Fig. 5 the utility model carbon powder cartridge for laser printer embodiment one decomposition diagram.
The powder delivery cutter embodiment one used locating piece skeleton view of Fig. 6 the utility model carbon powder cartridge for laser printer.
The used powder delivery cutter of Fig. 7 the utility model carbon powder cartridge for laser printer embodiment two decomposition diagrams.
The used powder delivery cutter of Fig. 8 the utility model carbon powder cartridge for laser printer embodiment three decomposition diagrams.
The used powder delivery cutter of Fig. 9 the utility model carbon powder cartridge for laser printer embodiment four skeleton views.
Embodiment
Describe the utility model carbon powder cartridge for laser printer in detail below in conjunction with accompanying drawing.
Referring to Fig. 1～9, skeleton view, decomposition diagram, fragmentary, perspective view and the cut-open view of the utility model carbon powder cartridge for laser printer and used powder delivery cutter thereof is shown respectively.
On cartridge 100, be laid with developer roll 101, powder feeding roller 102, powder delivery cutter 103, puddle support 104 and toner 105.Developer roll 101 is supported in the meal outlet 107 that is opened on the toner 105.Puddle support 104 with its axially parallel in the axial mode rotatably support of developer roll 101 in toner 105.Puddle support 104 and developer roll 101 axial two ends separately all stretch out in outside the toner 105, form independent rotation separately so that accept the moment of torsion that the laser printing machine host transmits.Powder delivery cutter 103 also is set up near the meal outlet 107 of toner 105, and its cutting edge portion 106 keeps in touch with the outer circumference surface of developer roll 101, and powder delivery cutter 103 integral body are also being born the effect with regard to self position sealing meal outlet 107.Powder delivery cutter 103 is made of knife rest 108 and sword sheet 109.Sword sheet 109 has elasticity preferably, and it is fixed on the knife rest 108 by bolt or bonding form, and cutting edge portion 106 is ends of sword sheet 109 contact developer rolls 101 outer circumference surfaces.On knife rest 108, respectively offer a mounting hole 110 in the two ends of its long side direction.Powder delivery cutter 103 promptly is fixed on the cartridge 100 after the bolt (not shown) is passed through wherein by these two mounting holes 110.Under powder delivery cutter 103 is assembled to state on the cartridge 100, the long side direction of knife rest 108 be parallel to developer roll 101 axially.Under powder delivery cutter 103 is assembled to state on the cartridge 100, the long axis direction of mounting hole 110 is axial perpendicular to developer roll 101, so that the restraint location of aforementioned bolt can form adjustability in mounting hole 110, regulate the exposure level of the cutting edge portion 106 of sword sheet 109 with developer roll 101 outer circumference surfaces.
Referring to Fig. 1,2,3,4,5,6, show the embodiment one of the utility model carbon powder cartridge for laser printer 100.This cartridge 100 is at its knife rest 108 and be used for fixing between the bolt (not shown) of knife rest 108, in its position corresponding to mounting hole 110, is provided with locating piece 111.Locating piece 111 just is clamped between knife rest 108 and the bolt, under this clamp position, with the pairing locating piece 111 of two bolts that is used for passing through respectively two mounting holes 110, its part that is clamped between knife rest 108 and the bolt has identical thickness on the long axis direction of mounting hole 110.In this embodiment, locating piece 111 is designed to have the form of draw-in groove 112.Under locating piece 111 is assembled to state on the powder delivery cutter 103, each locating piece 111 just is plugged in the end of knife rest 108 long side directions by himself draw-in groove 112, with the activity fit between the powder delivery cutter 103, be convenient to the loading and unloading of locating piece 111 to realize locating piece 111.
In conjunction with referring to Fig. 7, show the powder delivery cutter that the utility model carbon powder cartridge for laser printer 100 embodiments two use.The structure of cartridge 100 is basic identical in embodiment one under this mode, difference is the form that locating piece 113 is designed to monoblock, be that locating piece 113 monoblocks are clamped between knife rest 108 and the bolt, and it also realize that by the form that is plugged in knife rest 108 long side directions middle part at the draw-in groove 114 that is provided with on the locating piece 113 locating piece 113 is with the activity fit between the powder delivery cutter 103.
In conjunction with referring to Fig. 8, show the powder delivery cutter that the utility model carbon powder cartridge for laser printer 100 embodiments three use.The structure of cartridge 100 is basic identical in embodiment two under this mode, and difference is that locating piece 115 is realized with the fixedly assembling between the powder delivery cutter 103 by the form that is adhered on the knife rest 108.Locating piece 115 also is clamped between knife rest 108 and the bolt.
In conjunction with referring to Fig. 9, show the powder delivery cutter that the utility model carbon powder cartridge for laser printer 100 embodiments four use.The structure of cartridge 100 is basic identical in embodiment one under this mode, and difference is that locating piece is the positioning strip 116 that directly stamps out on knife rest 108.Positioning strip 116 cards are between knife rest 108 and bolt.
Claims (4)
1. carbon powder cartridge for laser printer, comprise developer roll, powder feeding roller, the powder delivery cutter, puddle support and toner, described puddle support with its axially parallel in the axial mode rotatably support of described developer roll in described toner, the axial two ends of described puddle support stretch out in outside the described toner, described powder delivery cutter is made of knife rest fixed with each other and sword sheet, described powder delivery cutter passes the meal outlet that is fixed in described toner behind the mounting hole that is arranged at described knife rest two ends respectively via two bolts, the cutting edge portion of described powder delivery cutter keeps in touch with the outer circumference surface of described developer roll, it is characterized in that, position corresponding to described mounting hole between described knife rest and described bolt is provided with locating piece, described locating piece is clamped between described knife rest and the described bolt, has identical thickness corresponding to the described locating piece of described two bolts on the long axis direction of described mounting hole.
2. according to the described carbon powder cartridge for laser printer of claim 1, it is characterized in that described locating piece is fixed on the described knife rest with the activity inserting mode.
3. according to the described carbon powder cartridge for laser printer of claim 1, it is characterized in that described locating piece is fixed on the described knife rest with bonding way.
4. according to the described carbon powder cartridge for laser printer of claim 1, it is characterized in that described locating piece is the positioning strip that directly stamps out on described knife rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201190778U CN201638007U (en) | 2010-02-25 | 2010-02-25 | Carbon powder box for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201190778U CN201638007U (en) | 2010-02-25 | 2010-02-25 | Carbon powder box for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201638007U true CN201638007U (en) | 2010-11-17 |
Family
ID=43082511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201190778U Expired - Lifetime CN201638007U (en) | 2010-02-25 | 2010-02-25 | Carbon powder box for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201638007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764335A (en) * | 2020-08-10 | 2021-05-07 | 珠海天威飞马打印耗材有限公司 | Powder box and production method thereof |
-
2010
- 2010-02-25 CN CN2010201190778U patent/CN201638007U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764335A (en) * | 2020-08-10 | 2021-05-07 | 珠海天威飞马打印耗材有限公司 | Powder box and production method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101117 |
|
| CX01 | Expiry of patent term |