CN204903955U - Selenium drum - Google Patents
Selenium drum Download PDFInfo
- Publication number
- CN204903955U CN204903955U CN201520629283.6U CN201520629283U CN204903955U CN 204903955 U CN204903955 U CN 204903955U CN 201520629283 U CN201520629283 U CN 201520629283U CN 204903955 U CN204903955 U CN 204903955U
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- framework
- photosensitive drums
- magnetic roller
- live
- rollers
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Abstract
The utility model discloses a selenium drum, it includes frame, toner container, useless powder container, magnetism roller, sensitization drum, charging device, lid and clean board, wherein, the magnetism roller includes the magnetic core, the magnetic core outside is cladding conductive polymer layer, electrically conductive top layer and wear -resisting adsorbed layer in proper order. The utility model has the advantages of it weares and teares easily to overcome the rubber shell to the adsorptivity can not good problem, the problem of the carbon dust adsorb inhomogeneously, powdered inks such as the characters that prints, image are painted deep mixed is solved, and simple structure, the principle is simple, the easy realization.
Description
Technical field
The utility model relates to a kind of printer parts, particularly relates to a kind of toner cartridge.
Background technology
In the modern life, printer is a kind of office equipment be in daily use.Usually, the print procedure of printer is: in toner cartridge, the ink powder in toner container in toner cartridge is fed to this electrostatic latent image region by ink powder feeding unit, this static electric field Electrostatic Absorption ink powder, image-carrier is formed the visual sub-image of band ink powder, namely forms the visual image (development) corresponding to desired image.By transfer device, the visual image on this image-carrier is transferred to print media as on paper, meanwhile, the useless ink powder not participating in transfer printing a small amount of on image-carrier is cleaned as cleaning doctor by image-carrier cleaning device and is collected in useless powder container.Carry the print media of this visual image by fixing device, wherein, at high temperature fix this image on print media, and print media is rejected to fixing device obtain outside.
Application number be 201020541035.3 utility model patent disclose a kind of magnetic roller of selenium drum, be made up of magnetic core and shell, magnetic core is string configuration, and rubbery outer cover wraps in outside magnetic core, and the left end of shell has magnetic roller head, and right-hand member has magnetic roller support.
The defect that above-mentioned utility model patent exists is: rubbery outer cover easily weares and teares, and absorption property is good not.Another defect is: because magnetic core directly contacts with rubbery outer cover, in use may have therebetween that local conductivity is uneven, thus it is uneven that carbon dust is adsorbed, and the ink powders such as the word printed, image are painted deep mixed.
Therefore, in order to overcome the deficiencies in the prior art, adapting to the needs of reality, being necessary to design a kind of novel magnetic roller of selenium drum, being intended to overcome rubbery outer cover and easily wearing and tearing, and the problem that absorption property is bad.
Meanwhile, be intended to overcome carbon dust absorption uneven, the painted deep mixed problems of ink powder such as the word printed, image.
Utility model content
The utility model object is to provide a kind of toner cartridge, and it has the magnetic roller of improvement, and can have good imaging effect and print quality.
The utility model technical solution problem adopts following technical scheme: a kind of toner cartridge, and it comprises framework, toner container, useless powder container, magnetic roller, photosensitive drums, charging device, lid and cleaner plate;
Described framework comprises ink powder framework, useless powder framework and developing frame;
Described developing frame is installed to ink powder framework, and described useless powder frame installation is to developing frame;
Described toner container is arranged in described ink powder framework; Described useless powder container is arranged in described useless powder framework;
The two ends of described magnetic roller are arranged on the sidewall of described framework all rotationally;
The two ends of described photosensitive drums are arranged on the sidewall of described framework all rotationally;
Described charging device is arranged on the inwall of described framework, and comprises live-rollers;
Described magnetic roller, live-rollers and photosensitive drums are parallel to each other, and described magnetic roller and live-rollers drive rotation by described photosensitive drums;
Described magnetic roller and live-rollers all contact with described photosensitive drums;
Described cleaner plate is fixed on the inwall of described framework, and contacts with described photosensitive drums;
The diapire of described framework is offered the 3rd opening, be provided with the lid that can open and close described 3rd opening on said frame;
Wherein, described magnetic roller comprises magnetic core, and described magnetic core outside is coated with conductive polymeric layer, conductive surface layer and wear-resisting adsorbed layer successively.
The utility model has following beneficial effect: overcome rubbery outer cover and easily wear and tear, and the problem that absorption property is bad; Solve carbon dust absorption uneven, the painted deep mixed problems of ink powder such as the word printed, image; And structure is simple, principle is simple, easily realizes.
Accompanying drawing explanation
Fig. 1 shows the structural representation of toner cartridge of the present utility model.
Fig. 2 is the skeleton diagram of electronic photographing image forming device;
Fig. 3 is the stereographic map from strengthening the photosensitive drums that the upper surface side of stay is seen;
Fig. 4 is the stereographic map from strengthening the photosensitive drums that the lower face side of stay is seen;
Fig. 5 is the stereographic map of flange;
Fig. 6 is the end view drawing of photosensitive drums;
Fig. 7 is the major part longitudinal sectional view of photosensitive drums;
Fig. 8 is the structural representation of magnetic roller of the present utility model;
Fig. 9 is the structural representation of magnetic roller of the present utility model;
Figure 10 is the structure for amplifying schematic diagram in the A portion in Fig. 9;
In figure, Reference numeral is: 101-ink powder framework; 102-gives up powder framework; 103-developing frame; 104-toner container; 105-magnetic roller; 106-photosensitive drums; 107-charging device; 108-live-rollers; 109-cleaner plate; 110-gives up powder container, 111-the 3rd opening; 112-covers; 113-scraper plate; 114-exposal window; 115-toner agitator.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further elaborated.
Embodiment 1
Present embodiments provide a kind of toner cartridge, it may be used for printer, and comprises toner container 104 and useless powder container 110.
Described toner container offers the first opening; Described useless powder container offers the second opening;
The first transparent plastic sheet covering described first opening is provided with at described first opening part;
The second transparent plastic sheet covering described second opening is provided with at described second opening part.
The utility model is rational in infrastructure, by arranging, there is the toner container of transparent plastic sheet and useless powder container, thus the surplus of carbon dust in toner cartridge and useless powder total amount can be checked cheer and brightly, thus convenient replacing toner cartridge as required or the useless powder container of cleaning, old selenium drum mistake also more for carbon dust surplus can not be replaced, avoid causing waste, reduce use cost; And by the useless component of monitoring, improve print quality, avoid the wasting of resources.
In the present embodiment, described toner cartridge comprises framework, and with reference to figure 1, described framework can be divided into ink powder framework 101, useless powder framework 102 and developing frame 103 from left to right successively; Described ink powder framework 101 inside is provided with toner container 104, and described toner container 104 stores ink powder, and can supply ink powder to the magnetic roller 105 of described toner cartridge; Described developing frame 103 is installed to ink powder framework 101, and described useless powder framework 102 is installed to developing frame 103.Photosensitive drums 106 is provided with, charging device 107, magnetic roller 105 and cleaning device in described framework.
On described ink powder framework, corresponding to the position of the first opening of described toner container, offer the 4th opening, be provided with the 3rd transparent plastic sheet covering described 4th opening at described 4th opening part;
On described useless powder framework, corresponding to the position of the second opening of described useless powder container, offer the 5th opening, be provided with the 4th transparent plastic sheet covering described 5th opening at described 5th opening part.
Described photosensitive drums 106 is cylindrical member of rotating, and its two ends are arranged on the relative sidewall of two of described framework rotationally; Described charging device 107 is fixed on the inwall of described framework, and comprises a rotary live-rollers 108.Described live-rollers 108 contacts with described photosensitive drums.Simultaneously, the two ends of described magnetic roller 105 are also arranged on the relative sidewall of two of described framework rotationally, and described magnetic roller 105, live-rollers 108 and photosensitive drums 106 are parallel to each other, and described magnetic roller 105 and live-rollers 108 drive rotation by described photosensitive drums 106, it can by being installed on described magnetic roller 105 respectively, the gear of live-rollers 108 and photosensitive drums 106 one end, and the gear of described magnetic roller 105 and live-rollers 108 end all with the gears meshing of described photosensitive drums 106 end, thus the rotation of described magnetic roller 105 and live-rollers 108 is realized by the rotation of described photosensitive drums 106.
Described magnetic roller and live-rollers all contact with described photosensitive drums; Simultaneously because described magnetic roller, live-rollers and photosensitive drums are tubular and are parallel to each other, therefore described magnetic roller, live-rollers and photosensitive drums outer circumference surface are tangent.
Described cleaning device comprises cleaner plate 109 and useless powder container 110, and described useless powder container 110 is arranged in described useless powder framework 102; Described cleaner plate 109 contacts with described photosensitive drums, thus removes the useless powder in described photosensitive drums 106, and is collected in described useless powder container 110 by described useless powder.
Described toner cartridge also comprises scraper plate 113, and described scraper plate 113 is fixed on the inwall of described framework, and contacts with described magnetic roller 105, thus regulates the ink film thickness on described magnetic roller 105.
The diapire of described framework is offered the 3rd opening 111, be provided with lid 112 on said frame; Lid 112 can be opened and the 3rd opening 111 exposed or closes the 3rd opening 111, and by the 3rd opening 111, the image be formed in photosensitive drums 106 is transferred to recording medium.When toner cartridge is removed from printer main body, lid 112 moves to off-position and closes the 3rd opening 111 to protect the photosensitive periphery of photosensitive drums 106.
The upper surface of described framework offers exposal window 114, to pass through described exposal window 114, it is inner that described laser can inject described toner cartridge.
The toner cartridge of the present embodiment operationally, when the process enabling signal received, rotate along arrow K1 direction with predetermined circle speed (processing speed) by photosensitive drums 106.The periphery of photosensitive drums 106 and the surface contact of live-rollers 108 being added with bias voltage.So when photosensitive drums 106 is rotated, the periphery of photosensitive drums 106 is by charging device 107 uniform charging.
The laser beam of being modulated by the order digital electric signal of reflection view data exports from laser scan unit.Laser beam is reflected by catoptron, enters framework by the exposal window of framework roof, and exposes the periphery of photosensitive drum charging with scan mode.As a result, reflect that the electrostatic latent image of view data is formed in the periphery of photosensitive drums.This electrostatic latent image is attached the ink powder development on the periphery of left magnetic roller; And this ink powder is delivered to described photosensitive drums.
When paper is by described photosensitive drums 106, ink powder is transferred to paper from photosensitive drums, thus achieves the imaging of paper.
In the present embodiment, described scraper plate 113 and cleaner plate 109 are all prepared by silica gel material.
In the present embodiment, described toner cartridge also comprises ink powder stirring rod 115, and described ink powder stirring rod 115 is arranged in described toner container, and can rotate, thus is carried to described magnetic roller by the ink powder in described toner container.
Embodiment 2
Present embodiments provide a kind of toner cartridge, wherein, Fig. 1 represent as the schematic configuration of duplicating machine of an example, have in turn being configured at around the photosensitive drums of the present invention of central portion: make the Charging system 22 that the photographic layer 21 of photosensitive drums is charged; Photographic layer 21 is formed the exposure device 23 of electrostatic latent image; Ink powder is utilized to make the developing apparatus 24 of this latent electrostatic image developing; Ink powder picture is transferred to the transfer printing/tripping device 26 on recording chart 25; For removing the cleaning device 27 of the residual toner on photographic layer 21; Make the neutralizer 28 that the residual charge on photographic layer 21 disappears, the document board 29 for placing original copy is arranged on the upper surface side of body, is arranged on the flanking part of body for paper carrier 210.
Its in embodiment 1 the structure of toner cartridge be similar, difference is, described photosensitive drums comprises: the photosensitive drums main body 211 with the tubular of photographic layer; Be arranged on discoid pair of flanges 212a, the 212b on former and later two end faces of photosensitive drums main body; Strengthen stay 213, it is arranged on inside photosensitive drums main body 211, and is formed by conductive materials such as metals; Photosensitive drum shaft 214, it supports photosensitive drums main body 211 by flange 212a, 212b, and photosensitive drums main body 211 can be rotated around the axle center of regulation, the mode be flexibly connected on the end face of photosensitive drums main body 211 is fixed on reinforcement stay 213 with peripheral part for each flange 212a, 212b, photosensitive drums main body 211 is made up of conductive board, and is laminated with non-crystalline silicon class photoconductor as photographic layer.
Described flange 212a, 212b are made up of resins such as polycarbonate resins, and front end boss 212a is formed with integratedly: bearing axle sleeve 215, and it inserts photosensitive drum shaft 214 for running through; Outer ribs structure 216, bearing axle sleeve 215 is strengthened in its outside surface side at front end boss 212a; Inner side rib structure 217, it strengthens inner surface side and the bearing axle sleeve 215 of front end boss 212a simultaneously; For strengthening the fixing arm 218 of a pair band plate-like of stay 213, and the bearing surface 219 that the end face being formed with relative photosensitive drums main body 211 in the inner surface side periphery of front end boss 212a abuts.
Described inner side rib structure 217 integrally formed setting by this way, namely, the mode of the overhang roughly the same with bearing lining 215 is given prominence in inner side towards photosensitive drums main body 211, wherein, a pair arc-shaped stiffening rib 220 and surround this to the circular stiffening rib 221 of arc-shaped stiffening rib 220 around photosensitive drum shaft 214 in configuring with heart shaped, it is in symmetric configuration that described a pair arc-shaped stiffening rib 220 clips bearing axle sleeve 215 from diametric(al), simultaneously, connection bearing axle sleeve 215, first connection rib 222 of arc-shaped stiffening rib 220 and circular stiffening rib 221 radially configures, and, connect the almost parallel configuration of the second connection rib 223 of arc-shaped stiffening rib 220 and circular stiffening rib 221.
Described fixing arm 218, flange portion between arc-shaped stiffening rib 220 forms pulled-out holes 224, this is fixed and is entering under the state between arc-shaped stiffening rib 220 with arm 218, in in the cantilever-shaped nose portion being arranged on circular stiffening rib 221 in one piece of giving prominence to towards bearing axle sleeve 215 side, and be formed with fixing screw hole 225 at the terminal part of fixing arm 218.
In addition, illustrate front end boss 212a, then end boss 212b also has the structure identical with front end boss 212a.
The inner peripheral surface of described photosensitive drums main body 211 is provided with photosensitive drums well heater 228, photosensitive drums well heater 228 has: the heat transfer plate 226 of the parallelogram of stainless steel, the heater line 227 along the stickup of heat transfer plate 226 serpentine, heat transfer plate 226 is provided with thermistor (diagram is omitted), this thermistor contacts with heater line 227, to detect the temperature of heater line 227 self.
Described reinforcement stay 213 has the stay matrix part 229 extended vertically and the reinforcement flange 230 formed in the Width two ends bending of stay matrix part 229, and make two ends of the photosensitive drums axis direction of reinforcement stay 213 to the direction bending orthogonal with photosensitive drum shaft 214, to make it along each flange 212a, the inner face side of 212b, and arrange for each flange 212a, the pair of right and left fixed part 232 of 212b, the recess 231 entered for the bearing axle sleeve 215 of end boss 212b after making is set at rear end boss 212b side end, strengthening the side, the inside of stay 213, be fixed with the temperature controlled substrate 233 of photosensitive drums well heater 228.
In addition, on the end face being connected to photosensitive drums main body 211 making the bearing surface 219 of each flange 212a, 212b and under the state making fixing arm 218 produce elastic deformation towards the inner side of photosensitive drums main body 211, by screw 235, this fixing is fastened on fixed part 232 with the end side of arm 218, by this fixing elastic restoring force with arm 218, in the mode that the peripheral part of flange 212a, 212b flexibly abuts with the end face of photosensitive drums main body 211, flexibly clamp photosensitive drums main body 211 by pair of flanges 212a, 212b, thus form photosensitive drums.
In addition, the fixing arm 218 of rear end boss 212b, across photosensitive drums ground plate 234, is fastened on fixed part 232 by screw 235.
In addition, front end boss 212a strengthens the fixed sturcture of stay 213 relatively, and then end boss 212b also fixes in an identical manner, for ease of understanding, depicts emphatically the elastic deformation of fixing arm 218.
Namely, carry out following size setting: under the state that the bearing surface 219 of each flange 212a, 212b is not connected on the end face of photosensitive drums main body 211, when the end side of the fixing arm 218 by each flange 212a, 212b is fastened on reinforcement stay 213 by screw 235, the interval between the bearing surface 219 of each flange 212a, 212b is shorter than the length between the both ends of the surface of photosensitive drums main body 211.
And, under the state that the bearing surface 219 of each flange 212a, 212b is connected on the end face of photosensitive drums main body 211, along with being screwed on reinforcement stay 213 by running through the fixing screw 235 of the screw hole 225 of arm 218, fix and start, towards the inner side of photosensitive drums main body 211, elastic deformation occurs with arm 218, under completing the fastening state of fixing arm 218 by head of screw and reinforcement stay 213, the fixing elastic deformation producing roughly fixed amount with arm 218, thus on fixing arm 218, produce the predetermined elastic restoring force corresponding to this elastic deformation amount.
In addition, photosensitive drums ground plate 234 makes the ground connection projection 234a being formed at its periphery contact with photosensitive drums main body 211, and, photosensitive drums ground plate 234 is contacted with reinforcement stay 213, clamping photosensitive drum shaft 214 by being fixed on a pair spring-like ground lug 236 strengthened on stay 213, the ground connection between photosensitive drums main body 211 and photosensitive drum shaft 214 can be guaranteed.
Embodiment 3
See Fig. 8, present embodiments provide a kind of toner cartridge, itself and embodiment 1 and embodiment 2 difference are, its magnetic roller comprises magnetic core 301, aluminium cover 302, end axle 303 and metal spacer 304; Described magnetic core 301 is inserted in aluminium cover 302; Metal spacer 304 is arranged on aluminium and overlaps 302 two ends; Aluminium cover 302 is sleeved on magnetic core 301; Described aluminium overlaps 302 surfaces and is provided with adsorbed layer 305; The technique preparation of described adsorbed layer by etching and/or corrode, described metal spacer 304 is provided with insulation wearing layer 306.Aluminium cover surface due to described magnetic roller is provided with the adsorbed layer of etching corrosion, adsorbed layer surface particles is trickle, good evenness, there is metal spacer simultaneously, metal spacer is not yielding, and its surface is provided with insulation wearing layer, well can control the spacing of magnetic roller and photosensitive drums, obtain good printing effect and image quality.
Embodiment 4
See Fig. 9 and Figure 10, present embodiments provide a kind of toner cartridge, itself and embodiment 1 and embodiment 2 difference are, its magnetic roller comprises magnetic core 401, described magnetic core 401 outside coated with conductive polymeric layer 402, conductive surface layer 403 and wear-resisting adsorbed layer 404 successively.
The existence of conductive polymer coating 402, can make conductance keep evenly, solve carbon dust absorption uneven, the painted deep mixed problems of ink powder such as the word printed, image.
Described conductive polymer coating 402 is identical with the resistance of conductive surface layer 403.
Described wear-resisting adsorbed layer is 404 electrically-conducting paints or conduction sand.Wear-resisting adsorbed layer 404 adopts electrically-conducting paint to be coated in the outside of conductive surface layer 403, or adopts conduction sand direct spraying to get on, and effectively solves the problem that conductive surface layer 403 is easy to wear, the life-span is short, and more contributes to adsorbing carbon dust.
The sequencing of above embodiment, only for ease of describing, does not represent the quality of embodiment.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (1)
1. a toner cartridge, is characterized in that, comprises framework, toner container, useless powder container, magnetic roller, photosensitive drums, charging device, lid and cleaner plate;
Described framework comprises ink powder framework, useless powder framework and developing frame;
Described developing frame is installed to ink powder framework, and described useless powder frame installation is to developing frame;
Described toner container is arranged in described ink powder framework; Described useless powder container is arranged in described useless powder framework;
The two ends of described magnetic roller are arranged on the sidewall of described framework all rotationally;
The two ends of described photosensitive drums are arranged on the sidewall of described framework all rotationally;
Described charging device is arranged on the inwall of described framework, and comprises live-rollers;
Described magnetic roller, live-rollers and photosensitive drums are parallel to each other, and described magnetic roller and live-rollers drive rotation by described photosensitive drums;
Described magnetic roller and live-rollers all contact with described photosensitive drums;
Described cleaner plate is fixed on the inwall of described framework, and contacts with described photosensitive drums;
The diapire of described framework is offered the 3rd opening, be provided with the lid that can open and close described 3rd opening on said frame;
Wherein, described magnetic roller comprises magnetic core, and described magnetic core outside is coated with conductive polymeric layer, conductive surface layer and wear-resisting adsorbed layer successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629283.6U CN204903955U (en) | 2015-08-19 | 2015-08-19 | Selenium drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629283.6U CN204903955U (en) | 2015-08-19 | 2015-08-19 | Selenium drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204903955U true CN204903955U (en) | 2015-12-23 |
Family
ID=54926118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520629283.6U Expired - Fee Related CN204903955U (en) | 2015-08-19 | 2015-08-19 | Selenium drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204903955U (en) |
-
2015
- 2015-08-19 CN CN201520629283.6U patent/CN204903955U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20151223 Termination date: 20200819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |