WO2013040987A1 - Bâti d'agitation et cartouche de toner - Google Patents

Bâti d'agitation et cartouche de toner Download PDF

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Publication number
WO2013040987A1
WO2013040987A1 PCT/CN2012/081085 CN2012081085W WO2013040987A1 WO 2013040987 A1 WO2013040987 A1 WO 2013040987A1 CN 2012081085 W CN2012081085 W CN 2012081085W WO 2013040987 A1 WO2013040987 A1 WO 2013040987A1
Authority
WO
WIPO (PCT)
Prior art keywords
toner
flexible block
rotating shaft
toner cartridge
agitating
Prior art date
Application number
PCT/CN2012/081085
Other languages
English (en)
Chinese (zh)
Inventor
黄宗仟
Original Assignee
珠海天威飞马打印耗材有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海天威飞马打印耗材有限公司 filed Critical 珠海天威飞马打印耗材有限公司
Publication of WO2013040987A1 publication Critical patent/WO2013040987A1/fr

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer

Definitions

  • the present invention relates to an agitating frame for agitating toner in a toner cartridge and a toner cartridge to which the agitating frame is applied, which is used in an electrophotographic image forming apparatus.
  • the present invention is based on a Chinese utility model patent application filed on Sep. 20, 2011, with the application number of 201120351784.4, the content of which is hereby incorporated herein by reference.
  • An electrophotographic image forming apparatus generally has an image processing unit and a developing unit that develops an electrostatic latent image formed on an image processing unit by using a developer such as toner supplied from a developing unit to form a visible image on a medium such as paper.
  • a developer such as toner supplied from a developing unit to form a visible image on a medium such as paper.
  • toner as a consumable needs to be continuously replenished into an electrophotographic image forming apparatus.
  • the toner is supplied to the electrophotographic image forming apparatus with a toner cartridge accommodating a certain amount of toner detachably mounted in the electrophotographic image forming apparatus.
  • the conventional toner cartridge generally has a casing having a toner accommodating portion for accommodating the toner, a powder discharging port for discharging the carbon powder in the toner accommodating portion, and a stirring frame for stirring the carbon powder and moving the carbon powder to the powder discharging port.
  • the agitator includes a rotating shaft and a stirring pad extending radially along the rotating shaft, and the radial end of the agitating paddle does not contact the inner wall of the toner containing portion. Since the agitator of such a structure does not contact the inner wall of the toner cartridge, the toner cannot be sufficiently stirred, so that after the toner cartridge is used, more toner remains therein, and the residual toner will be environmentally friendly. create pollution.
  • the stirring paddle In order to reduce the residual amount of toner, the stirring paddle should be set as close as possible to the inner wall of the toner cartridge, and thus the processing precision of the mixing frame and the toner cartridge is high, and the production cost of the mixing frame and the toner cartridge is increased.
  • a mixing frame of the toner cartridge adopts a method of adding a stirring blade on a rotating shaft, and the flaky stirring blade is in contact with the inner wall of the toner cartridge.
  • the length of the stirring blade extending radially along the rotating shaft is long.
  • the stirring blade needs to have greater elasticity to apply sufficient elastic force to the inner wall of the toner cartridge, but is stirred.
  • the elasticity of the blade is large, and the friction force when it comes into contact with the inner wall of the toner cartridge and rotates is large, so that a large noise is generated, and at the same time, the torque is large when rotating, and the energy consumption is large.
  • the main object of the present invention is to provide a stirring frame with low cost, low noise and low energy consumption
  • Another object of the present invention is to provide a toner cartridge to which such a stirrer is applied.
  • the agitator of the present invention includes a rotating shaft provided with a stirring paddle extending radially along the rotating shaft, and the end of the agitating paddle away from the rotating shaft is disposed in a direction substantially parallel to the rotating shaft. Piece.
  • the material of the flexible block is a sponge.
  • the flexible block is made of a soft material having a certain elasticity, and other materials such as rubber can be used in addition to the sponge.
  • the flexible block is disposed on the downstream side of the stirring blade rotation direction.
  • the flexible block is disposed on the downstream side of the agitating paddle rotation direction to make the agitation resistance smaller, thereby reducing energy consumption.
  • a still more specific embodiment is that the agitating paddle has a portion that is curved toward the downstream side in the rotational direction thereof. Further reduce the stirring resistance.
  • the flexible block has a portion that extends radially along the axis of rotation and that is longer than the other portions. This section corresponds to the powder outlet of the toner cartridge, so that the toner is discharged from the powder outlet more smoothly.
  • a toner cartridge of the present invention includes a cartridge body including a toner accommodating portion for accommodating carbon powder, a powder discharging port, and toner powder in the toner accommodating portion is discharged through the powder discharging port; a rotatably supported in the toner accommodating portion for agitating the toner contained in the toner accommodating portion, the stirring frame includes a rotating shaft, and the rotating shaft is provided with a stirring blade extending radially along the rotating shaft, the stirring paddle and the casing There is a gap between the walls, and the end of the agitating paddle away from the rotating shaft is provided with a flexible block in a direction substantially parallel to the axis of rotation, the flexible block being in contact with the inner wall of the casing.
  • the material of the flexible block is a sponge.
  • the flexible block is made of a soft material with less elasticity, and other materials such as rubber can be used in addition to the sponge.
  • the flexible block is disposed on the downstream side of the stirring blade rotation direction.
  • the flexible block is disposed on the downstream side of the agitating paddle rotation direction to make the agitation resistance smaller, thereby reducing energy consumption.
  • a still more specific embodiment is that the agitating paddle has a portion that is curved toward the downstream side in the rotational direction thereof. Further reduce the stirring resistance.
  • the length of the portion of the flexible block relative to the powder exit extending radially along the axis of rotation is greater than the length of the other portion extending radially along the axis of rotation.
  • the longer length of the flexible block corresponding to the powder outlet allows the toner to be discharged from the powder outlet more smoothly.
  • the mounting surface is set to a twisted surface such that the radial dimension of the rotating shaft is relatively small.
  • the flexible sheet mounted on the twisted surface extends along the twisted surface, and the free end of the flexible sheet is a spatial curve, that is, in the direction of rotation of the stirring frame, the tangential direction of the free end of the flexible sheet has an oblique angle with the axial direction of the rotating shaft.
  • the toner can be moved in the axial direction of the rotating shaft, and the stirring resistance is small, and the flexible sheet is less likely to undergo permanent deformation.
  • the flexible block When the stirring frame of the present invention is agitated, the flexible block is in contact with the inner wall of the toner cartridge. Due to the provision of the flexible block, the agitating paddle can have a large gap with the inner wall of the toner cartridge, so that the manufacturing precision of the agitating frame can be lowered, and the production cost is low.
  • the flexible block since the flexible block is disposed on the agitating paddle extending radially along the rotating shaft, the length of the flexible block extending radially along the rotating shaft need not be long, so that the small elastic force enables the flexible block to keep in contact with the inner wall of the toner cartridge, When it comes into contact with the inner wall of the toner cartridge and rotates, the friction is small, the noise is small, and the energy consumption is small.
  • the agitating paddle and the inner wall of the toner cartridge have a large gap, so that the manufacturing precision of the agitating frame and the toner cartridge can be lowered, and the production cost is low.
  • the flexible block is disposed on the stirring paddle extending radially along the rotating shaft, the length of the flexible block extending radially along the rotating shaft does not need to be long, so that the small elastic force enables the flexible block to contact the inner wall of the toner cartridge, and When the inner wall of the toner cartridge contacts and rotates, the friction is small, the noise is small, and the energy consumption is small.
  • FIG. 1 is a schematic structural view of an embodiment of a stirring frame of the present invention
  • Figure 2 is a structural exploded view of an embodiment of the mixing rack of the present invention.
  • FIG. 3 is a schematic structural view of a flexible block in an embodiment of a stirring frame of the present invention.
  • Figure 4 is a structural exploded view of an embodiment of the toner cartridge of the present invention.
  • Figure 5 is a schematic view showing the structure of an embodiment of the toner cartridge of the present invention.
  • the agitator 2 includes a rotating shaft 21 and a stirring paddle 22 extending in the radial direction.
  • the end of the agitating paddle 22 is affixed with a flexible block 23 which is disposed in a direction substantially parallel to the rotating shaft 21.
  • the rotary shaft 21 is integrally formed with the agitating paddle 22, so that the installation step is unnecessary, and the production cost is low.
  • the material of the flexible block 23 is a sponge, and it is understood that the flexible block 23 may be made of other soft materials such as rubber.
  • the agitating paddle 22 of the agitating frame 2 has a portion extending radially along the rotating shaft 21, and has a portion extending toward the downstream side in the rotational direction of the agitating frame 2 at an end portion away from the rotating shaft 21, and arrow A in the figure Shown as the direction of rotation of the agitator 2.
  • the end of the agitating paddle 22 remote from the rotating shaft 21 is provided with a mounting surface 221 on which the flexible block 23 is mounted.
  • the mounting surface 221 is disposed on the downstream side in the rotational direction of the agitating frame 2, and the flexible block 23 has a certain thickness, which is a flexible block in this embodiment. The thickness is 1-2mm, which can maintain a certain elasticity.
  • the flexible block 23 has a portion 232 that extends radially along the axis of rotation 21 and has a longer length than the other portions 231 and 233, that is, L2 is greater than L1.
  • the agitating paddle 22 does not contact the inner wall of the toner cartridge
  • the flexible block 23 is in contact with the inner wall of the toner cartridge
  • the portion 232 of the flexible block 23 extending radially along the rotating shaft 21 has a length corresponding to The powder outlet of the toner cartridge.
  • the elastic force of the flexible block 23 is small, so that the frictional force is small when it comes into contact with the inner wall of the toner cartridge and rotates, and the noise is small and the energy consumption is small.
  • the toner cartridge includes a casing 1 having a cylindrical side wall and an end wall, and the casing 1 is a toner accommodating portion for accommodating the toner, and the powder side opening 12 is provided on the side wall of the casing.
  • the mouth cover 13 can openly close the powder outlet 12, and the cover 11 closes the opening at one end of the casing 1.
  • the two ends of the stirring frame 2 are respectively supported by the cover 11 and the end wall of the casing 1 and rotatably installed in the toner accommodating portion.
  • a drive wheel 14 that drives the rotation of the agitator 2 is mounted outside the end wall of the casing 1.
  • the agitator 2 includes a rotating shaft 21 and a stirring paddle 22 extending in the radial direction.
  • the end of the agitating paddle 22 is affixed with a flexible block 23 which is disposed in a direction substantially parallel to the axis of rotation.
  • the end portion of the agitating paddle 22 away from the rotating shaft 21 has a portion extending toward the downstream side in the rotational direction of the agitating frame 2, the flexible block 23 is mounted on the downstream side in the rotational direction of the agitating frame 2, and the agitating paddle 22 has a gap with the inner wall of the casing 1, the flexible block 23 is in contact with the inner wall of the casing 1, and a portion of the flexible block 23 extending radially with respect to the portion of the powder opening 12 in the radial direction of the rotating shaft is larger than the other portions.
  • the driving wheel 14 receives the driving force to drive the stirring frame 2 to rotate, and the flexible block 23 slides along the inner wall of the casing 1 to push the toner of the toner accommodating portion to the powder.
  • the portion of the flexible block 23 with respect to the powder outlet 12 is longer, so that the supply of toner to the powder outlet 12 is smoother.
  • the elastic force of the flexible block 23 is small, so that the frictional force is small when it comes into contact with the inner wall of the casing 1 and rotates, and the noise is small and the energy consumption is small.
  • the agitating paddle can have a large gap with the inner wall of the toner cartridge, so that the manufacturing precision of the agitating frame can be reduced, and the production cost is low.
  • the flexible block is disposed on the agitating paddle extending radially along the rotating shaft, the length of the flexible block extending radially along the rotating shaft need not be long, so that the small elastic force enables the flexible block to keep in contact with the inner wall of the toner cartridge, When it comes into contact with the inner wall of the toner cartridge and rotates, the friction is small, the noise is small, and the energy consumption is small.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Abstract

L'invention porte sur un bâti d'agitation (2) et sur une cartouche de toner appliquant le bâti d'agitation. Le bâti d'agitation (2) comprend un arbre rotatif (21), une tige d'agitateur (22) et un bloc souple (23). La tige d'agitateur (22) s'étendant le long d'une direction radiale de l'arbre rotatif (21) est disposée sur l'arbre rotatif (21). Le bloc souple (23) est disposé à une extrémité de la tige d'agitateur (22) loin de l'arbre rotatif (21) le long d'une direction approximativement parallèle à l'arbre rotatif (21).
PCT/CN2012/081085 2011-09-20 2012-09-06 Bâti d'agitation et cartouche de toner WO2013040987A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN 201120351784 CN202257038U (zh) 2011-09-20 2011-09-20 搅拌架及碳粉盒
CN201120351784.4 2011-09-20

Publications (1)

Publication Number Publication Date
WO2013040987A1 true WO2013040987A1 (fr) 2013-03-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/081085 WO2013040987A1 (fr) 2011-09-20 2012-09-06 Bâti d'agitation et cartouche de toner

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CN (1) CN202257038U (fr)
WO (1) WO2013040987A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202257038U (zh) * 2011-09-20 2012-05-30 珠海天威飞马打印耗材有限公司 搅拌架及碳粉盒
CN106873330B (zh) * 2017-04-27 2023-12-05 珠海华人智创科技有限公司 一种调色剂供给补充容器
CN109725517B (zh) * 2019-03-20 2023-12-19 珠海天威飞马打印耗材有限公司 显影剂供给容器
US11500304B2 (en) 2019-03-20 2022-11-15 Print-Rite ⋅ Unicorn Image Products Co., Ltd. Of Zhuhai Developer supply container and electrophotography imaging apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08320612A (ja) * 1995-05-24 1996-12-03 Nec Corp 電子写真用現像装置
JPH11242379A (ja) * 1998-02-26 1999-09-07 Seiko Epson Corp 現像装置
CN101673075A (zh) * 2008-09-09 2010-03-17 夏普株式会社 色粉盒和使用其的图像形成设备
CN202257038U (zh) * 2011-09-20 2012-05-30 珠海天威飞马打印耗材有限公司 搅拌架及碳粉盒

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08320612A (ja) * 1995-05-24 1996-12-03 Nec Corp 電子写真用現像装置
JPH11242379A (ja) * 1998-02-26 1999-09-07 Seiko Epson Corp 現像装置
CN101673075A (zh) * 2008-09-09 2010-03-17 夏普株式会社 色粉盒和使用其的图像形成设备
CN202257038U (zh) * 2011-09-20 2012-05-30 珠海天威飞马打印耗材有限公司 搅拌架及碳粉盒

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Publication number Publication date
CN202257038U (zh) 2012-05-30

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