CN101477324A - Residual powder cleaning equipment - Google Patents
Residual powder cleaning equipment Download PDFInfo
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- CN101477324A CN101477324A CNA200910104900XA CN200910104900A CN101477324A CN 101477324 A CN101477324 A CN 101477324A CN A200910104900X A CNA200910104900X A CN A200910104900XA CN 200910104900 A CN200910104900 A CN 200910104900A CN 101477324 A CN101477324 A CN 101477324A
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Abstract
The invention relates to a residual powder cleaning device for a carbon powder box, which comprises a driving part which supplies power for the powder box, a voltage supply part which supplies voltage for the powder box, an exposure part which drives a light-sensing drum on the powder box to expose, a part for cleaning carbon powder on the cleaning powder box, and a powder box supporting frame. The residual powder cleaning device not only can effectively clean the carbon powder in a developing bin but also can not waste a printing medium, and simultaneously reduces the manufacturing cost; and the work efficiency of the residual powder cleaning device can not be influenced by the operating speed of an electrophotographic imaging device, so that the developing bin is quicker and more complete to clean. Moreover, the residual powder cleaning device solves the technical problems of high cleaning cost and low efficiency of the prior residual powder.
Description
Technical field
The present invention relates to a kind of powder box that is used on the electrophotographic imaging forming apparatus (as laser printer, duplicating machine, facsimile recorder), relate in particular to a kind of residual powder cleaning equipment that is used on this powder box.
Background technology
Existing electrophotographic imaging forming apparatus (as laser printer, duplicating machine, facsimile recorder) is gone up and is used a kind of powder box, and the structure of this powder box as shown in Figure 1.
Figure 1 shows that a powder box A who assembles, comprise development part 1 and sensitization part 2.
After powder box A assembles, powder box must be installed to and print test on the electrophotographic imaging forming apparatus, to analyze the quality of powder box quality.As shown in Figure 2, fill carbon dust 108 on developing chamber 104, because strip of paper used for sealing 106 is arranged, the carbon dust on the developing chamber 104 can not enter powder storehouse 105.In the course of work of powder box, the carbon dusts 108 in the developing chamber 104 are adsorbed on the developer roll 102, and with 103 frictions of powder delivery cutter, therefore carbon dust 108 is with a kind of polarity, a certain amount of electric charge, and forms and have certain thickness carbon dust layer; Photosensitive drums 201 forms one deck charge layer after being recharged roller 203 chargings, forms electrostatic latent image, passes through light 308 exposures then.The carbon dust layer that has electric charge on the developer roll 102, under the voltage effect that electrophotographic imaging forming apparatus provides, on photosensitive drums 201, make this latent electrostatic image developing from developer roll 102 " jumping ", form corresponding carbon dust image, this carbon dust image is transferred on the print media then.Because transfer printing is incomplete, carbon dust can partly remain on the photosensitive drums 201, and the scraper 202 that is cleaned at last cleans, and is stored in the waste powder hopper 206.
The tester can determine the quality of powder box quality according to the quality of print media epigraph print quality.
After testing, in the developing chamber carbon dust can residually be arranged, carbon dust can overflow from developing chamber in transportation, causes environmental pollution, therefore need the carbon powder cleaning in the developing chamber is clean.Common way is powder box to be installed to continue on the electrophotographic imaging forming apparatus to print, till the carbon dust Print All in the developing chamber is clean.
But this way can be brought a lot of negative effects, and such as printing the operating rate that the speed that cleans depends on printer, if printer operating speed is slow, the cleaning course of powder box also can be received influence so; Cause the wasting of resources,, can cause the whole manufacturing cost of powder box to increase simultaneously because such cleaning mode will consume a large amount of print media (as paper).
Summary of the invention
The invention provides a kind of residual powder cleaning equipment, to solve existing surplus powder cleaning cost height, inefficient technical matters.
In order to address the above problem, the technical solution used in the present invention is:
A kind of residual powder cleaning equipment, be used to clean the carbon dust on the powder box, described carbon dust has a kind of electric charge of polarity in the engineering in work, it is characterized in that: comprising: for powder box provides the drive part of power, the cleaning part and the powder box bracing frame of carbon dust on the voltage supply part of voltage, the exposure part that makes the photosensitive drums exposure on the powder box, the cleaning powder box are provided for powder box.
Described voltage supply is partly filled with and the opposite polarity DC voltage of carbon dust for the powder box photosensitive drums.
Described cleaning part comprises scraper and surplus powder collection container.
Described powder box bracing frame comprises base and is arranged at first side plate and second side plate that base two ends and powder box length are complementary.
Also comprise the fast folder that is connected with the powder box bracing frame, with quick fixedly powder box.
Described drive part comprises motor and driving head, and driving head receives the power from motor, and outputs power on the powder box.
Photosensitive drums contact point on described scraper and the described powder box is formed with an angle a in tangential direction, and the size of this angle a is 0 to 150 °.
Described contact is arranged on first side plate or second side plate, and the contact partly is electrically connected and can contacts with powder box with voltage supply, for powder box provides voltage.
Described drive part also comprises spring, and described spring is connected with driving head and provides an elastic force for driving head.
Described drive part also comprises a push pedal, and described push pedal is connected with driving head, promotes push pedal driving head is moved.
After adopting technique scheme, after powder box is placed on the powder box bracing frame, drive part provides operation power for powder box, make developer roll absorption carbon dust, and rub with the powder delivery cutter, be with a kind of polarity, a certain amount of electric charge, the voltage supply part provides voltage for powder box, and makes photosensitive drum surface form voltage by the exposed portion exposure, under the electric field action that the voltage on the photosensitive drums produces, carbon dust " jumping " is on photosensitive drums, the part that is cleaned then cleans, and constantly repeats said process, makes the carbon dust in the developing chamber all transfer on the photosensitive drums, all be cleaned then, thus the cleaning fully of realization developing chamber.Not only can clean the carbon dust in the developing chamber effectively, and can not waste print media, reduce manufacturing cost simultaneously, work efficiency also can not be subjected to the influence of electrophotographic image forming operating rate, makes the cleaning of developing chamber quick more, complete.Solved existing surplus powder cleaning cost height, inefficient technical matters.
Description of drawings
Fig. 1 assembles later powder box one-piece construction cut-open view;
Fig. 2 fills carbon dust for the powder box developing chamber and is installed to course of work synoptic diagram on the electrophotographic imaging forming apparatus later on;
Fig. 3 is the integrally-built front view of an embodiment of the present invention;
Fig. 4 is a side view of loading onto an embodiment of the present invention behind the powder box;
Fig. 5 is the simplification schematic diagram of an embodiment of the present invention;
Fig. 6 a is the preceding synoptic diagram of an embodiment of the present invention drive part assembling;
Fig. 6 b is first kind of constitutional diagram after an embodiment of the present invention drive part assembling;
Fig. 6 c is second kind of constitutional diagram after an embodiment of the present invention drive part assembling;
Fig. 7 a is the front elevation of an embodiment of the present invention driving head;
Fig. 7 b is the left view of an embodiment of the present invention driving head;
Fig. 8 a is the right view of an embodiment of the present invention adapter sleeve;
Fig. 8 b is the front elevation of an embodiment of the present invention adapter sleeve;
Fig. 8 c is the left view of an embodiment of the present invention adapter sleeve;
Fig. 9 is the theory diagram of an embodiment of the present invention voltage supply part;
Embodiment
As shown in Figure 3, a kind of residual powder cleaning equipment, be used to clean the carbon dust on the powder box, described carbon dust has a kind of electric charge of polarity in the engineering in work, comprising: for powder box provides the drive part of power, the cleaning part and the powder box bracing frame of carbon dust on the voltage supply part of voltage, the exposure part that makes the photosensitive drums exposure on the powder box, the cleaning powder box are provided for powder box.
The powder box bracing frame comprises base 10 and is arranged at first side plate 20 and second side plate 30 that base 10 two ends and powder box length are complementary.First side plate 20 and second side plate 30 are installed on the base 10, and vertical with base 10.Be respectively arranged with groove 20a, 30a on first side plate 20 and second side plate 30, the two ends of powder box A are supported by groove 20a, 30a on described first side plate 20 and second side plate 30 respectively, distance between groove 20a, the 30a on described first side plate 20 and second side plate 30 is slightly larger than the width of powder box A, and powder box A can be mounted and dismounted easily.
Cleaning part on the residual powder cleaning equipment comprises: scraper 140 and surplus powder collection container 130.
Drive part on the residual powder cleaning equipment comprises: driving head 70, spring 80, adapter sleeve 90, push pedal 100 and motor 110.Electric motor protecting cover 120 covers motor 110, the protection motor.Driving head 70 is promptly by through hole 30b, is connected with power input part on the powder box at groove 30a place, for powder box provides power.
As shown in Figure 4, be the synoptic diagram of powder box A after being installed on the residual powder cleaning equipment.Scraper 140 is arranged on scraper and supports on 160, and scraper supports 160 and is installed on the base 10.After powder box A was installed on the residual powder cleaning equipment, scraper 140 contacted with powder box A.Fast folder 60 is arranged on fast folder and supports on 150, and fixedly powder box A makes powder box A more stable in cleaning course.Surplus powder collection container 130 is arranged on the lower end of powder box A and scraper 140, and when scraper 140 scraped the carbon dust on the powder box A 108, surplus powder collection container 130 was promptly collected carbon dust 108, prevents its contaminated environment, and reproducible utilization.
As shown in Figure 5, be the simplification schematic diagram of this residual powder cleaning equipment.After filling a small amount of carbon dust 108 on the developing chamber 104 of powder box A, because this carbon dust 108 is the magnetic carbon dust, on the developer roll 102 magnetic core is arranged, magnetic core has magnetic, therefore 102 pairs of carbon dusts 108 of developer roll have certain magneticaction, make carbon dust 108 be adsorbed on the surface of developer roll 102.Under the power drive that the drive part of residual powder cleaning equipment provides, developer roll 102 rotations, powder delivery cutter 103 is controlled the thickness of developer roll 102 surperficial carbon dusts 108 by closely contact with developer roll 102.Carbon dust 108 is with a kind of polarity (as negative electricity), a certain amount of electric charge with developer roll 102 frictions.The voltage supply part of residual powder cleaning equipment provides DC voltage, 108 charged polarity of the polarity of this DC voltage and carbon dust opposite (as positive direct-current voltages) for the photosensitive drums 201 of powder box A.Therefore, form electric field between photosensitive drums 201 and developer roll 102, electronegative carbon dust 108 is under this effect of electric field, and " jumping " and rotates with photosensitive drums 201 on photosensitive drums 201, when passing through scraper 140 at last, cleaned by scraper 140.Surplus powder collection container 130 is arranged on below the scraper 140, and the carbon dust 108 that gets off that is cleaned is collected in this surplus powder collection container 130, is used for regeneration, avoids contaminated environment.
In order to form a current return with photosensitive drums 201, in developer roll 102 or the charging roller 203 one, by the power pack ground connection on the residual powder cleaning equipment, another is in off-state, promptly is not connected with power pack on the residual powder cleaning equipment.Perhaps, 203 two of developer roll 102 and charging rollers are all by power pack ground connection.
The technician of the industry is easy to expect, by with other parts ground connection on the powder box, also can form a loop with photosensitive drums; An element perhaps is set on equipment, this element is contacted with photosensitive drums, to form current return; All can be implemented in and form voltage (as positive direct-current voltages) on the photosensitive drums, the carbon dust of band (bearing) point gets final product on " jumping " big photosensitive drums.
Another kind of embodiment of the present invention can also be: after carbon dust 108 processes rub with developer roll 102, and positively charged, the power pack on the residual powder cleaning equipment fills negative DC voltage with for photosensitive drums 201.Like this, 102 of photosensitive drums 201 and developer rolls form electric field, and carbon dust 108 is adsorbed on the photosensitive drums 201 under this electric field action.
In the installation process of the manufacture process of residual powder cleaning equipment and powder box A, error is inevitable, therefore, under the prerequisite that does not cause photosensitive drums 201 damages, reach good cleaning effect, scraper 140 is formed with an angle a with the tangential direction of photosensitive drums 201 contact points, and the scope of this angle a is the best with 0 to 150 °.
Shown in Fig. 3,4 and 5, also include the exposure part on the residual powder cleaning equipment, the photosensitive drums 201 on the powder box A is through forming voltage on its surface after the exposure, and carbon dust 108 ability " jumping " are on photosensitive drums 201.For simplicity, the exposure method that partly adopts of this exposure is that photosensitive drums 201 is exposed in sunshine, incandescent light or the daylight lamp.
Shown in Fig. 6 a, be the drive part synoptic diagram of an embodiment of the present invention;
The connected mode of this drive part is as described below: the shape of adapter sleeve is shown in Fig. 8 a, 8b, 8c, and the endoporus 90a on the adapter sleeve 90 and motor 110 are connected by key, receive the power from motor 110; Spring 80 is installed on the adapter sleeve 90, and spring 80 is free movable on adapter sleeve 90; Then driving head 70 is installed on the adapter sleeve 90, driving head 70 and adapter sleeve 90 clearance fit, spring 80 is bigger than the endoporus 70a of driving head 70, and 80 pairs of driving heads 70 of spring have the elastic force effect; The shape of driving head is shown in Fig. 7 a, 7b; Driving head 70 and adapter sleeve 90 are connected by pin, and pin is inserted on the pin-and-hole 90b of the pin-and-hole 70b of driving head and adapter sleeve, and pin moves around in the scope of the pin-and-hole 90b of adapter sleeve, thus the moving range of controlling and driving 70; Push pedal 100 is inserted in the two ends of driving head, because push pedal 100 is rotated around fixed point, this fixed point is arranged on second side plate 30, therefore promote push pedal 100, may command driving head 70 moving forward and backward on adapter sleeve 90, make driving head 70 enter or be pushed out through hole 30b on second side plate 30, shown in Fig. 6 b, 6c.
When powder box A is installed on the residual powder cleaning equipment, promote push pedal 100 and swing to the right, under the control of push pedal 100, driving head 70 moves right on adapter sleeve 90, and driving head 70 is pushed out through hole 30b; After installing powder box A, power receiving-member on the powder box A enters through hole 30b, unclamp push pedal 100, driving head 70 is replied under the elastic force effect of spring 80, enter through hole 30b, driving head 70 promptly with powder box A on power receiving-member engagement, power can be from motor 110 outputs, through adapter sleeve 90, driving head 70, be input among the powder box A.
Those skilled in the art is not difficult to expect, does not adopt adapter sleeve 90, and driving head 70 directly is connected on the motor 110, also can realize the transmission of power.
Shown in Fig. 7 b, the power on the driving head 70 connects the power receiving-member engagement on 70c and the powder box A, outputs power on the power receiving-member on the powder box.
Owing to the power receiving-member shape on the powder box A, vary in size, this power connect 70c can be arbitrarily, with powder box A on the identical or similar shapes of power receiving-member shape, for example, the triangle shown in Fig. 7 b.When this power receiving-member was gear, it can correspondingly be gear also that this power connects.
As shown in Figure 9, be the voltage supply part theory diagram of an embodiment of the present invention.ON-OFF control circuit C01, time control circuit C02 are connected in turn on the power supply U, speed control circuit C03 and motor C04 are connected on the time control circuit C02, current rectifying and wave filtering circuit C05 and amplifying circuit C06 one end are connected on the time control circuit C02, and the other end is connected on the powder box C07.When ON-OFF control circuit C01 is in closure state, to regulate time control circuit C02 be set working time, voltage can pass through ON-OFF control circuit C01 and time control circuit C02 arrival rate control circuit C03 and current rectifying and wave filtering circuit C05.By governing speed control circuit C03, regulate the travelling speed of motor.Motor by the drive part on the residual powder cleaning equipment, is imported powder box with power again.Current rectifying and wave filtering circuit C05 and amplifying circuit C06 after overcommutation, filtering, amplification, are transformed into required DC voltage by the alternating voltage that will receive, then with this DC voltage input powder box.
Claims (10)
1. residual powder cleaning equipment, be used to clean the carbon dust on the powder box, described carbon dust has a kind of electric charge of polarity in the engineering in work, it is characterized in that: comprising: for powder box provides the drive part of power, the cleaning part and the powder box bracing frame of carbon dust on the voltage supply part of voltage, the exposure part that makes the photosensitive drums exposure on the powder box, the cleaning powder box are provided for powder box.
2. a kind of residual powder cleaning equipment according to claim 1 is characterized in that: described voltage supply is partly filled with and the opposite polarity DC voltage of carbon dust for the powder box photosensitive drums.
3. a kind of residual powder cleaning equipment according to claim 1 is characterized in that: described cleaning part comprises scraper and surplus powder collection container.
4. a kind of residual powder cleaning equipment according to claim 1 is characterized in that: described powder box bracing frame comprises base and is arranged at first side plate and second side plate that base two ends and powder box length are complementary.
5. a kind of residual powder cleaning equipment according to claim 1 is characterized in that: also comprise the fast folder that is connected with the powder box bracing frame, with quick fixedly powder box.
6. a kind of residual powder cleaning equipment according to claim 1 is characterized in that: described drive part comprises motor and driving head, and driving head receives the power from motor, and outputs power on the powder box.
7. a kind of residual powder cleaning equipment according to claim 3 is characterized in that: the photosensitive drums contact point on described scraper and the described powder box is formed with an angle a in tangential direction, and the size of this angle a is 0 to 150 °.
8. a kind of residual powder cleaning equipment according to claim 4 is characterized in that: also comprise the contact, described contact is arranged on first side plate or second side plate, and the contact partly is electrically connected and can contacts with powder box with voltage supply, for powder box provides voltage.
9. a kind of residual powder cleaning equipment according to claim 6 is characterized in that: described drive part also comprises spring, and described spring is connected with driving head and provides an elastic force for driving head.
10. a kind of residual powder cleaning equipment according to claim 6 is characterized in that: described drive part also comprises a push pedal, and described push pedal is connected with driving head, promotes push pedal driving head is moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910104900XA CN101477324A (en) | 2009-01-09 | 2009-01-09 | Residual powder cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200910104900XA CN101477324A (en) | 2009-01-09 | 2009-01-09 | Residual powder cleaning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101477324A true CN101477324A (en) | 2009-07-08 |
Family
ID=40838055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200910104900XA Pending CN101477324A (en) | 2009-01-09 | 2009-01-09 | Residual powder cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101477324A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893836A (en) * | 2010-04-01 | 2010-11-24 | 珠海天威飞马打印耗材有限公司 | Processing box |
| CN110235063A (en) * | 2017-01-31 | 2019-09-13 | 兄弟工业株式会社 | Delevoping cartridge |
| CN111495908A (en) * | 2020-05-28 | 2020-08-07 | 东莞市合鼎盛自动化设备有限公司 | Automatic cleaning equipment for imaging device |
-
2009
- 2009-01-09 CN CNA200910104900XA patent/CN101477324A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893836A (en) * | 2010-04-01 | 2010-11-24 | 珠海天威飞马打印耗材有限公司 | Processing box |
| CN101893836B (en) * | 2010-04-01 | 2011-11-16 | 珠海天威飞马打印耗材有限公司 | Processing box |
| CN110235063A (en) * | 2017-01-31 | 2019-09-13 | 兄弟工业株式会社 | Delevoping cartridge |
| US11073785B2 (en) | 2017-01-31 | 2021-07-27 | Brother Kogyo Kabushiki Kaisha | Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade |
| US11733643B2 (en) | 2017-01-31 | 2023-08-22 | Brother Kogyo Kabushiki Kaisha | Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation blade |
| CN111495908A (en) * | 2020-05-28 | 2020-08-07 | 东莞市合鼎盛自动化设备有限公司 | Automatic cleaning equipment for imaging device |
| CN111495908B (en) * | 2020-05-28 | 2023-06-23 | 东莞市合鼎盛自动化设备有限公司 | Automatic cleaning equipment for kinescope |
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Application publication date: 20090708 |