CN103176384A - Powder box - Google Patents
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- CN103176384A CN103176384A CN2013101120326A CN201310112032A CN103176384A CN 103176384 A CN103176384 A CN 103176384A CN 2013101120326 A CN2013101120326 A CN 2013101120326A CN 201310112032 A CN201310112032 A CN 201310112032A CN 103176384 A CN103176384 A CN 103176384A
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- powder
- carbon dust
- groove
- inclined wall
- powder box
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Abstract
The invention discloses a powder box which comprises a shell, a powder shifting mechanism, an inclined wall, a groove, an elastic piece and a shifting piece, wherein the shell comprises a developing roller positioned at downstream in the carbon powder discharging direction, and a powder bin positioned at upstream; the powder shifting mechanism is used for shifting carbon powder from the powder bin to a carbon powder receiving position of the developing roller; the inclined wall is positioned at the bottom of the powder bin and is inclined relative to a horizontal plane, and one side, close to the developing roller, of the inclined wall is lower than the side, far away from the developing roller, of the developing roller; the groove is positioned in the bottom of the powder bin and is formed between the inclined wall and the carbon powder receiving position; the elastic piece is provided with multiple holes through which the carbon powder penetrates, one end, far away from the developing roller, of the inclined wall is fixed to one end, far away from the developing roller, of the elastic piece, and one end, close to the developing roller, of the elastic piece serves as a free end and extends to the upper part of the groove; and one end of the shifting piece is provided with a gear, and the shifting piece is rotationally arranged in the shell and is used for periodically shifting the free end. The carbon powder shifting mechanism of the powder box has the advantages of simple structure, low cost and weak vibration.
Description
Technical field
The present invention relates to a kind of powder box of laser printer.
Background technology
The powder box of laser printer is provided with for the developer roll on the electrostatic latent image that carbon dust is coated on photosensitive drums.For the powder box that uses the magnetic carbon dust, developer roll utilizes magnetic force to catch carbon dust from its carbon dust received bit; For the powder box that uses non magnetic carbon dust, the carbon dust received bit place of developer roll is typically provided with for the powder rod, so that carbon dust is coated on developer roll equably.
Remain in for fear of carbon dust in the powder storehouse of powder box, usually be provided with in powder box and move powder mechanism with what carbon dust was transferred to the carbon dust received bit.
Along with the raising day by day of the demand of printing, the volume of printer is done miniaturization day by day, and the page output of powder box needs constantly to improve, so the powder box configuration design is tending towards flattening day by day.And at the height dimension less, in the relatively large flat powder box of length and width dimensions, the existing powder mechanism of moving mainly contains two kinds.The first discharges along carbon dust the puddle support that direction arranges a plurality of interlocks in turn in the powder storehouse, allow carbon dust shift to step by step the carbon dust received bit of developer roll.Its shortcoming is, the puddle support resistance of multistage linking is very big, and Motor torque requires high, wastes energy; Assembly is various, and production cost is high.The second arranges the orifice plate that slides in bottom surface, powder storehouse relatively in the powder storehouse, excentric shaft drive and the cooperation of back-moving spring under make orifice plate move reciprocatingly along carbon dust discharge direction, thereby carbon dust is shifted to the carbon dust received bit of developer roll from the powder storehouse.Its shortcoming is that the orifice plate quality is larger, and inertia is larger, and under the eccentric rod impacting type drove, the transmission unbalance stress easily caused the powder box vibration and affects print quality.
In addition, publication number is that the Chinese invention patent application of CN101414145A discloses the powder box of a kind of " powder delivery devices " by name.The transfer plate that it is included in its upper support powder, the vibration generating apparatus that transfer plate is vibrated, the lip-deep a plurality of transmission projections of transfer plate are used for transmitting the powder that is contained on transfer plate.Each transmits protruding person and has upstream side dip plane and dip plane, downstream on the powder transfer path, and the upstream side dip plane is less than the dip plane, downstream.Under the driving of vibration generating apparatus, the transmission version be communicated with to transmit protruding vibration at high speed, and larger dip plane direction moves to the carbon dust received bit of developer roll to carbon dust along the angle of inclination along with vibration.Vibration generating apparatus is set separately in powder box due to needs, and cost is higher, moreover, need the transfer plate quality of support carbon dust larger, inertia is larger, and the vibration that produces under the driving of vibration generating apparatus easily causes print quality to descend.
Summary of the invention
The object of the invention be to provide a kind of have simple in structure, the powder box of cost is low and vibration is weak carbon dust travel mechanism.
For achieving the above object, powder box of the present invention comprises: have at carbon dust and discharge the housing that direction is positioned at the developer roll in downstream and is positioned at the powder storehouse of upstream; Be used for carbon dust is shifted to from the powder storehouse developer roll the carbon dust received bit move powder mechanism; Be positioned at the bottom in powder storehouse, the relative level face tilt, a side of close developer roll is away from the low inclined wall of a side of developer roll; Be positioned at the bottom in powder storehouse, and the groove between inclined wall and carbon dust received bit; Be provided with a plurality of holes that supply carbon dust to pass, relative fixing away from an end of developer roll with inclined wall away from an end of developer roll, an end of close developer roll is free end and the shell fragment that extends to the groove top; One end is provided with gear, can be rotatably set in housing, is used for stirring periodically free-ended shifting part.
By above scheme as seen, shifting part can receive power from printer by establishing thereon gear, stirs periodically shell fragment, and under the shake-up of shell fragment, carbon dust is along the carbon dust received bit that slides into developer roll under inclined wall.Obviously, the powder mechanism of moving of the present invention need not a plurality of puddle supports, need not back-moving spring, also need not vibration generating apparatus, and is simple in structure, low cost of manufacture, and also reliability is high; The quality of shell fragment is more light than the quality of orifice plate and transmission version, and inertia is very little, and the vibration of generation is very faint, is difficult for causing the powder box body vibration, guarantees print quality.In addition, shifting part is stirred the required power of shell fragment much smaller than driving simultaneously the required power of a plurality of puddle supports, greatly reduces the torque demand of drive motor, reduces the manufacturing cost of printer, has improved the operational reliability of printer and powder box.
Further scheme is that shell fragment is formed by the flexible plastic sheet stamping-out.Flexible plastic sheet comprises that PE, PET, ABS etc. have flexible plastic sheet.Obviously, can go out the multi-disc shell fragment by a stamping-out.Therefore, this shell fragment is easy to low cost of manufacture.
Another further scheme is, inclined wall is a flat board, and the inclination angle of described flat board is between 5 to 15 degree.This scope is conducive to that carbon dust glides and guarantees powder storage powder space.
Further scheme is, shifting part is eccentric rod.It is simple in structure, is easy to make; Rigidity is strong, stirs effect remarkable, and reliability is high.
Another further scheme be that shifting part is puddle support.Puddle support can not only can be stirred shell fragment, can also effectively dial in the carbon dust received bit to carbon dust, improves the reliability that carbon dust utilization factor and carbon dust move into the carbon dust received bit.
Further scheme is, groove is face of cylinder groove.It can guarantee the running reposefully of puddle support, reduces the carbon dust residual quantity in groove.
Further scheme is, the plectrum of puddle support is at the natural length radially of the puddle support rotating shaft large 1mm to 10mm of radius than groove.Can guarantee that like this plectrum effectively stirs shell fragment, reduce further the carbon dust residual quantity of groove, can avoid again plectrum produce excessive bending and cause the puddle support rotary resistance excessive.
Further scheme is, the thickness of plectrum is between 0.2mm to 0.5mm, and this thickness range both can guarantee that plectrum stirred shell fragment reliably, can avoid again puddle support is rotated forming excessive resistance.
Further scheme is, the thickness of shell fragment is between 0.1mm to 0.5mm, and this thickness range can guarantee that shell fragment has enough elasticity, avoids shell fragment to cross soft or really up to the mark, is beneficial to touch into carbon dust and moves to the carbon dust received bit.
Further scheme is, free end in the length of stretching out above groove between 3mm to 10mm.Free end is positioned at this length range can guarantee that shell fragment is fully stirred, and is unlikely to again shifting part is formed larger resistance or stuck shifting part.
Description of drawings
Fig. 1 is the first embodiment stereographic map;
Fig. 2 is the stereographic map of the first embodiment shell fragment;
Fig. 3 is the A-A cut-open view of Fig. 1;
Fig. 4 is the stereographic map that the second embodiment omits the parts such as upper cover and powder outlet cutter;
Fig. 5 is the A-A cut-open view of the another kind of structure of Fig. 1.
Embodiment
As shown in Figure 1, along the direction P that carbon dust is discharged, the housing 110 of powder box 100 is provided with developer roll 120 in the downstream, is equipped with powder storehouse 130 in provided upstream.
As shown in Figure 2, shell fragment 140 is provided with by the moulding of PE sheet stamping-out the through hole 142 that a registration hole 141 and a plurality of permission carbon dust pass through on it.Along direction P, pilot hole 141 is arranged in shell fragment 140 near near the edge of upstream.
As shown in Figure 3, moving powder mechanism is made of inclined wall 131, groove 132, shell fragment 140 and the puddle support 150 that serves as shifting part.Along direction P, carbon dust received bit 122 places of developer roll 120 upstream sides are provided with one for powder rod 121.Inclined wall 131 relative level face tilt ground settings, a side of its close developer roll 120 is lower than the side away from developer roll 120.Preferably, inclined wall 131 is a flat board, and its inclination angle is about 13 degree.The groove 132 of cylindrical is between inclined wall 131 and carbon dust received bit 122.Groove 132 is low than the least significant end of inclined wall 131.Inclined wall 131 is provided with a plurality of upwardly extending reference columns 140 away from an end of developer roll 120.During mounting elastic sheet 140, shell fragment 140 is tiled on inclined wall 131, and reference column 140 is inserted in pilot hole 141, then the top of hot pressing reference column 140, decide shell fragment 140 with riveting.The length that the free end of shell fragment 140 stretches out from groove 132 tops is 5mm, and the thickness of shell fragment is 0.4mm.Reception is from the puddle support 150 and groove 132 coaxial line settings of the power of printer.Be fixed on thickness on puddle support 150 and be the plectrum 151 of 0.4mm along with the rotation of puddle support 150, periodically stir the free end of shell fragment 140, the elastic deformation of shell fragment 140 generating periods and impel carbon dust in powder storehouse 130 along sliding in groove 132 under direction P.After falling into carbon dusts in groove 132 and dialling in carbon dust received bit 122 by plectrum, by being applied on developer roll 120 for powder rod 121.
Thickness is that the plectrum of 0.2mm can effectively be stirred the shell fragment that thickness is 0.5mm, because be arranged on length that the plectrum on puddle support makes progress in the footpath of puddle support rotating shaft much smaller than the length of shell fragment on direction P, relative, the counter-bending rigidity of plectrum is much larger than the counter-bending rigidity of shell fragment.
As shown in Figure 4, the difference of the second embodiment and the first embodiment is that shifting part is eccentric rod 250.Eccentric rod 250 center sections are one to be parallel to the straight-bar of its rotating shaft, this straight-bar is more bigger than the thickness of shell fragment 140 with the minimum clearance of groove 132, so that straight-bar improves the carbon dust utilization factor and prevents that eccentric rod 250 is stuck as much as possible the carbon dust received bit that falls into carbon dusts in groove 132 and dial in developer roll 120.
Referring to Fig. 3, obviously, the projection 133 between groove 132 and carbon dust received bit 122 is a kind of preferred setting.Referring to Fig. 5, can use one to connect along the downward-sloping flat board 333 of direction P between groove 332 and carbon dust received bit 322.At this moment, 250 of eccentric rods need to guarantee that effectively stirring shell fragment 140 gets final product, and the carbon dust that falls into groove 332 slides to carbon dust received bit 322 under Action of Gravity Field.
The present invention is that inclined wall is not limited to flat board, can also be middle part arch or recessed plate body, only needs to guarantee that a direction P that inclined wall is discharged along carbon dust progressively reduces gets final product.Groove is not limited to circular groove, only needs to guarantee that groove gets final product lower than the end of inclined wall near developer roll one side.
Claims (9)
1. powder box comprises:
Housing has at carbon dust and discharges the powder storehouse that direction is positioned at the developer roll in downstream and is positioned at the upstream;
Move powder mechanism, be used for carbon dust is shifted to from described powder storehouse the carbon dust received bit of described developer roll;
It is characterized in that:
The described powder mechanism of moving comprises,
Inclined wall is positioned at the bottom in described powder storehouse, the relative level face tilt, and described inclined wall is low than its side away from described developer roll near a side of described developer roll;
Groove is positioned at the bottom in described powder storehouse, and between described inclined wall and described carbon dust received bit;
Shell fragment is provided with a plurality of holes that supply carbon dust to pass, and described shell fragment is relative fixing away from an end of described developer roll with described inclined wall away from an end of described developer roll, and an end of the close described developer roll of described shell fragment is free end and extends to above described groove;
Shifting part, an end is provided with gear, can be rotatably set in described housing, is used for stirring periodically described free end.
2. powder box as claimed in claim 1 is characterized in that:
Described shell fragment is formed by the flexible plastic sheet stamping-out.
3. powder box as claimed in claim 1 is characterized in that:
Described inclined wall is a flat board, and the inclination angle of described flat board is between 5 to 15 degree.
4. powder box as claimed in claim 3 is characterized in that:
Described shifting part is eccentric rod.
5. powder box as claimed in claim 3 is characterized in that:
Described shifting part is puddle support.
6. powder box as claimed in claim 5 is characterized in that:
Described groove is face of cylinder groove;
The plectrum of described puddle support is at the natural length radially of the described puddle support rotating shaft large 1mm to 10mm of radius than described groove.
7. powder box as claimed in claim 6 is characterized in that:
The thickness of described plectrum is between 0.2mm to 0.5mm.
8. powder box as described in claim 1 to 7 any one is characterized in that:
Described shell fragment thickness is between 0.1mm to 0.5mm.
9. powder box as claimed in claim 8 is characterized in that:
The length that described free end stretches out above described groove is between 3mm to 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101120326A CN103176384A (en) | 2013-04-01 | 2013-04-01 | Powder box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101120326A CN103176384A (en) | 2013-04-01 | 2013-04-01 | Powder box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103176384A true CN103176384A (en) | 2013-06-26 |
Family
ID=48636342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101120326A Pending CN103176384A (en) | 2013-04-01 | 2013-04-01 | Powder box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103176384A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102524A (en) * | 2016-02-22 | 2017-08-29 | 佳能株式会社 | Developer reservoir, developing apparatus, handle box and image processing system |
| CN108089418A (en) * | 2018-02-06 | 2018-05-29 | 北京中恒复印设备集团有限公司 | Go out powder structure and powder drum |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168989A (en) * | 1995-09-19 | 1997-12-31 | 富士通株式会社 | Image forming method and system |
| CN101241336A (en) * | 2007-02-08 | 2008-08-13 | 三星电子株式会社 | Developing unit having developer feeding plate and image forming apparatus having the same |
| CN101414145A (en) * | 2007-08-28 | 2009-04-22 | 三星电子株式会社 | Powder conveying device and image forming apparatus having the same |
| CN102402159A (en) * | 2011-12-19 | 2012-04-04 | 珠海天威飞马打印耗材有限公司 | Developer conveying component and development box |
-
2013
- 2013-04-01 CN CN2013101120326A patent/CN103176384A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168989A (en) * | 1995-09-19 | 1997-12-31 | 富士通株式会社 | Image forming method and system |
| CN101241336A (en) * | 2007-02-08 | 2008-08-13 | 三星电子株式会社 | Developing unit having developer feeding plate and image forming apparatus having the same |
| CN101414145A (en) * | 2007-08-28 | 2009-04-22 | 三星电子株式会社 | Powder conveying device and image forming apparatus having the same |
| CN102402159A (en) * | 2011-12-19 | 2012-04-04 | 珠海天威飞马打印耗材有限公司 | Developer conveying component and development box |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102524A (en) * | 2016-02-22 | 2017-08-29 | 佳能株式会社 | Developer reservoir, developing apparatus, handle box and image processing system |
| CN107102524B (en) * | 2016-02-22 | 2021-07-02 | 佳能株式会社 | Developer container, developing device, process cartridge, and image forming apparatus |
| CN108089418A (en) * | 2018-02-06 | 2018-05-29 | 北京中恒复印设备集团有限公司 | Go out powder structure and powder drum |
| WO2019154253A1 (en) * | 2018-02-06 | 2019-08-15 | 唐山曹妃甸映美科技有限公司 | Powder discharging structure and powder cylinder |
| CN108089418B (en) * | 2018-02-06 | 2024-03-01 | 唐山曹妃甸映美科技有限公司 | Powder discharging structure and powder cylinder |
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Application publication date: 20130626 |