CN101261492A - Drum cassette - Google Patents
Drum cassette Download PDFInfo
- Publication number
- CN101261492A CN101261492A CNA2007100568857A CN200710056885A CN101261492A CN 101261492 A CN101261492 A CN 101261492A CN A2007100568857 A CNA2007100568857 A CN A2007100568857A CN 200710056885 A CN200710056885 A CN 200710056885A CN 101261492 A CN101261492 A CN 101261492A
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- electrode
- drum
- cleaning
- unit
- photosensitive drum
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Abstract
A drum cartridge is composed of a photoelectric drum which is a photosensitive drum unit, a main charging unit, a cleaning unit and a frame-shaped shell body; the photosensitive drum is an aluminum alloy cylinder body, the surface thereof is covered by a plurality of layers of photoelectric conversion semiconductor materials; one end of the photosensitive drum is embedded in a flange which is provided with a column straight gear, the other end of the photosensitive drum is embedded in a flange which is provided with a boss, and the photosensitive drum is fixed on the frame-shaped shell by a supporting sleeve and a drum pin; the main charging unit is provided with an electrode stand, one end thereof is embedded in an electrode tip, the other end thereof is embedded in an electrode base, an electrode wire is suspended on the electrode tip and the electrode base, a cleaning brush which is accumulated with residual powder and is arranged on the electrode wire which is cleaned, a cleaning sponge block is tightly affixed with the electrode wire, the cleaning brush is arranged at the end part of a handle lever; the main charging unit is arranged at one side of the photosensitive drum unit and is fixed on the frame-shaped shell body by the electrode tip and the electrode base; the cleaning unit is arranged below the photosensitive drum, an elastic scraper and a collection scraper are relatively arranged on the surface of the photosensitive drum for stripping and collecting ink powder in a cleaning box. A user of the drum cartridge can carry out the self-maintenance of an image device without the dependence of professionals, thus greatly improving the working efficiency.
Description
Technical field
The invention belongs to duplicating machine printer accessory, particularly a kind of drum cassette.
Background technology
The photographic process of duplicating machine, printing loom electricity consumption imaging, present duplicating machine, printer imaging, development, transfer printing, fixing member and cleaning member separate, use a period of time need dismantle the ink powder of cleaning clean internal, complicated operation, trouble needs the professional to safeguard cleaning, and to working environment pollution on every side.
Summary of the invention,
Technical matters to be solved by this invention is: a kind of drum cassette of bulging box----that a kind of electrophotographic image forming is provided.The user can unload from main frame voluntarily and clear up maintenance, and accurately is contained on the main frame after cleaning is safeguarded.Thereby do not need the professional to safeguard and clear up, and then improved work efficiency.
Another object of the present invention be with drum cassette simplify the structure, firmly change, performance is more reliable, manufacturer is easy to produce.The user can be convenient accurately with its main frame combination with electrophotographic image forming, guaranteed performance is stablized, quality is superior.
Technical scheme of the present invention is:
A kind of drum cassette is characterized in that: it comprises: it is photoconductive drum unit 2, main charhing unit 3, cleaning unit 4, shaped as frame housing 1 that drum is arranged; Photosensitive drums 2.1 is aluminum alloy round cylindrical shells, the semiconductor material of its surface coverage Heterolamellar photovoltaic conversion; One end of photosensitive drums embeds the flange 2.2 that the band circle is leant on spur gear, and the other end embeds the flange 2.3 of band boss, is fixed on the frame-shaped shell 1 by supporting sleeve 2.4 and drum pin 2.5; Main charhing unit 3 has arc-spark stand 3.1, arc-spark stand 3.1 is that the section that metal material is made is the long box body of U type, long box body one end intercalation electrode head 3.4, long box body other end intercalation electrode seat 3.5, wire electrode 3.3 is suspended on electrode tip 34 and the electrode tip holder 35, places the long box body groove of U type central authorities; Pile up the cleaning brush 3.7 of residual powder on the cleaning wire electrode, place the below of the long box body groove of U type, the cleaning sponge piece is close to wire electrode 33, and cleaning brush 3.7 is contained in handlebar 3.8 ends; Main charhing unit 3 places a side of photoconductive drum unit 2, is fixed on the shaped as frame housing 1 by electrode tip 3.4, electrode tip holder 35; Cleaning unit 4 places photosensitive drums 2.1 belows, wear-resisting flexible scraper plate 4.1 and collection scraper plate 4.2, be contained in relatively on photosensitive drums 2.1 surfaces, be used to peel off the developer of photosensitive drums 2.1 remained on surface after developing, the residual developer that collection scraper plate 4.2, elastic scraper 4.1 are peeled off on photosensitive drums 41 all is collected in the clean box.
Flexible scraper plate 4.1 is connected to form by scraper plate bracing frame 4.1b and elasticity scraping article 4.1a.
Collecting scraper plate 4.2 connects to form by collecting bracing frame 4.2b and collecting elasticity scraping article 4.2a.
Wire electrode one end hangs on the electrode tip 3.4, and the other end hangs on the electrode tip holder 3.5 by spring 3.6.
Effect of the present invention is: the user of this drum cassette can safeguard imaging device voluntarily, and needn't rely on the professional, therefore can increase work efficiency greatly.So this drum cassette device is widely used in the duplicating machine.Here, electrophotographic image forming is meant the equipment that utilizes xerography to form image on recording medium.As: electrophotographic copier, electrophotographic printer, facsimile recorder and word processor etc.
Description of drawings
Fig. 1: the vertical cross-section diagram that is drum cassette.
Fig. 2: be the main unit front elevation that fills.
Fig. 3: be the main unit sectional drawing that fills.
Fig. 4: be the photosensitive drums structural drawing
Fig. 5: be the elastic scraper front view
Fig. 6: be the elastic scraper side view
Fig. 7: be to collect the scraper plate front view
Fig. 8: be to collect the scraper plate side view
Embodiment
Drum cassette is the core component of duplicating machine imaging device, and it comprises: drum (photosensitive drums) unit 2, main unit 3, cleaning unit 4, the shaped as frame housing 1 of filling.Photosensitive drums 2.1 is aluminum alloy round cylindrical shells, the semiconductor material of its surface coverage Heterolamellar photovoltaic conversion.One end of photosensitive drums embeds the flange 2.2 of band spur gear wheel, and the other end embeds the flange 2.3 of band boss, is fixed on the frame-shaped shell 1 by supporting sleeve 2.4 and drum pin 2.5.Main charhing unit 3 arc-spark stand .1 are the U type body that metal material is made, an end intercalation electrode head 3.4, and other end intercalation electrode seat 3.5, wire electrode 3.3 are suspended on electrode tip 3.4 and the electrode tip holder 3.5, place U type groove central authorities.Pile up the cleaning brush 3.5 of residual powder on the cleaning wire electrode, place the below of U type groove, the cleaning sponge piece is close to wire electrode 3.3, cleaning brush 3.5 vertically moves along arc-spark stand 3.1 by handle 3.8, cleaned at regular intervals wire electrode 3.3. master charhing unit 3 places a side of photoconductive drum unit 2, is fixed on the shaped as frame housing 1 by electrode tip 3.4, electrode tip holder 3.5.Cleaning unit 4 places photosensitive drums 2.1 belows, rubber-like scraper plate 4.1, press on photosensitive drums 2.1 surfaces moderate pressure, be used to peel off the developer of photosensitive drums 2.1 remained on surface after developing, the residual developer that collection scraper plate 4.2, elastic scraper 4.1 are peeled off on photosensitive drums 4.1 all is collected in the clean box, and waste developer is transported to storage box by conveying screw rod 4.3, regularly discharge by window.Shaped as frame housing 1 is the framed structure housing of thermoplastic shaping.It is on the one hand as the carrier of carrying photosensitive drums 2, the main charging utmost point 3 and cleaning unit 4, on the other hand, by the location structure on the housing, with being assemblied in the main frame of drum cassette integral body, forms the take pictures main frame of imaging device of photoelectron.
The general structure of this drum cassette is described with reference to Fig. 1.
From Fig. 1 as seen, this drum cassette comprises following assembly: photoelectric drum assembly 2 (symmetrical photosensitive drums), main charging assembly 3 (the main charging of the symmetry utmost point), the corresponding associated groove of cleaning unit 4. said modules cave, and hole, whole is installed on the shaped as frame housing 1.
From the photosensitive drums assembly, describe said modules in detail now.
Photosensitive drums assembly 2 (Fig. 4)
As the image bearing assembly, it is by the aluminium matter cylinder 21 in diameter of phi 30mm to the Φ 85mm scope, be covered with the semiconductor material of Heterolamellar photovoltaic conversion on the cylinder outer surface, the left end of cylinder embeds the drum flange 22 of a band gear, the other end embeds conducting strip 25, and lotus imports in the main body in power supply.Right-hand member embeds the flange 23 of a band boss, and the axle sleeve 24 with highly abrasion-resistant damage cooperates with it.Photosensitive drums has supporting member drum pin 24, and the flange 23 of band boss is installed on the shaped as frame housing.The drum flange 22 of photosensitive drums band gear, with corresponding gearing mesh on the main frame, by the direct motor drive on the main frame, rotation counterclockwise.By drum pin 24 ground connection, eliminate residual charge on the photosensitive drums.
Main charging assembly 3 (Fig. 2,3)
Be made up of following part: central electrode frame 3.1 is metal U type bodies, and three ring bags are made the wire electrode 3.3 of material by tungsten filament, makes the effluve can only a direction.Wire electrode one end hangs on the electrode tip 3.4, and the other end hangs on the electrode tip holder 3.5 by spring 3.6.Spring 3.6 makes wire electrode 3.3 be in default degree of tightness state, makes that the photosensitive drums assembly can be than uniform charged, and the 3.9th, by the grid that tinsel or net are made, make the band of photosensitive drums put more homogenising.The cleaning brush 3.7 of piling up residual powder on the cleaning wire electrode 3.3 places the U type district central authorities of arc-spark stand 3.1, and utilize the metal pull bar that is suspended on cleaning brush 3.7 and the electrode tip holder 3.5 by handle 3.8 regularly to moving axially, realize removing the purpose of residual powder.The main charging utmost point 3 is connected firmly by electrode tip 3.4 and electrode tip holder 3.5 hole with the shaped as frame housing.
Cleaning unit assembly (Fig. 5,6,7,8)
Mainly be that down part is formed: elastic scraper 4.1, be stained with resin sheet collection scraper plate 4.2,
Elastic scraper 41 is made up of wear-resisting flexible resin sheet 41a of having of moulding by casting and sheet metal 41b, and it under the certain condition in α angle, has good x, y value with respect to photosensitive drums, and 41a has good pressure p with the control resin sheet.Because of photosensitive drums 2 is rotary bodies, pressure p is excessive, influences the serviceable life of photosensitive drums 2, may not satisfy 50,000 pages of default life-spans, and stops using.Pressure p is too small, then can not all peel off the developer that remains in after the transfer printing on the photosensitive drum surface, make photosensitive drum surface unclean, when proceeding the electrophotographic image forming operating process, on recording medium, occur except that predefined image, also manifesting contaminated sign, cause not fogging clean or unclear, influence attractive in appearancely, even can not work.
For using elastic scraper 4.1 all to collect from the waste developer that photosensitive drums strips down, on elastic scraper 4.1 corresponding positions, be provided with and collect scraper plate 4.2, the waste developer that strips down is so all taken in the groove district, and is sent in the holding bay by conveying screw rod.
Have more on this drum cassette and be provided with electric installation, it can with main frame earthing device reliable link, to eliminate harmful electric charge.Described the present invention does not limit disclosed detail according to structure disclosed herein.The application will cover those and may belong within the purpose of the present invention or distortion within the claim scope or improvement.
Claims (4)
1. drum cassette, it is characterized in that: it comprises: it is photoconductive drum unit (2), main charhing unit (3), cleaning unit (4), shaped as frame housing (1) that drum is arranged; Photosensitive drums (2.1) is the aluminum alloy round cylindrical shell, the semiconductor material of its surface coverage Heterolamellar photovoltaic conversion; One end of photosensitive drums embeds the flange (2.2) that the band circle is leant on spur gear, and the other end embeds the flange (2.3) of band boss, is fixed on the frame-shaped shell (1) by supporting sleeve (2.4) and drum pin (2.5); Main charhing unit (3) has arc-spark stand (3.1), arc-spark stand (3.1) is that the section that metal material is made is the long box body of U type, long box body one end intercalation electrode head (3.4), long box body other end intercalation electrode seat (3.5), wire electrode (3.3) is suspended on electrode tip (34) and the electrode tip holder (35), places the long box body groove of U type central authorities; Pile up the cleaning brush (3.7) of residual powder on the cleaning wire electrode, place the below of the long box body groove of U type, the cleaning sponge piece is close to wire electrode (33), and cleaning brush (3.7) is contained in handlebar (3.8) end; Main charhing unit (3) places a side of photoconductive drum unit (2), is fixed on the shaped as frame housing (1) by electrode tip (3.4), electrode tip holder (3.5), and grid spare (3.9) places the position of opening of U type metalwork; Cleaning unit (4) places photosensitive drums (2.1) below, and flexible scraper plate (4.1) and collection scraper plate (4.2) are contained in relatively on photosensitive drums (2.1) surface, is used to peel off the developer of photosensitive drums (2.1) remained on surface after developing, and is collected in the clean box.
2. drum cassette according to claim 1 is characterized in that: flexible scraper plate (4.1) is connected to form by scraper plate bracing frame (4.1b) and elasticity scraping article (4.1a).
3. drum cassette according to claim 1 is characterized in that: collect scraper plate (4.2) and connect to form by collecting bracing frame (4.2b) and collecting elasticity scraping article (4.2a).
4. drum cassette according to claim 1 is characterized in that: wire electrode one end hangs on the electrode tip (3.4), and the other end hangs on the electrode tip holder (3.5) by spring (3.6), and has gate electrode feature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100568857A CN101261492A (en) | 2007-03-08 | 2007-03-08 | Drum cassette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100568857A CN101261492A (en) | 2007-03-08 | 2007-03-08 | Drum cassette |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101261492A true CN101261492A (en) | 2008-09-10 |
Family
ID=39961994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100568857A Pending CN101261492A (en) | 2007-03-08 | 2007-03-08 | Drum cassette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101261492A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI414435B (en) * | 2011-01-28 | 2013-11-11 | Green Rich Technology Inc | Photosensitive drum of the conductive device |
| TWI417688B (en) * | 2011-01-28 | 2013-12-01 | Green Rich Technology Inc | Photosensitive drum of the conductive device |
| TWI625221B (en) * | 2015-06-18 | 2018-06-01 | 東友科技股份有限公司 | Extrusion device of three-dimensional printer and clean mechanism thereof |
-
2007
- 2007-03-08 CN CNA2007100568857A patent/CN101261492A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI414435B (en) * | 2011-01-28 | 2013-11-11 | Green Rich Technology Inc | Photosensitive drum of the conductive device |
| TWI417688B (en) * | 2011-01-28 | 2013-12-01 | Green Rich Technology Inc | Photosensitive drum of the conductive device |
| TWI625221B (en) * | 2015-06-18 | 2018-06-01 | 東友科技股份有限公司 | Extrusion device of three-dimensional printer and clean mechanism thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20080910 |