CN112147863A - Developing box - Google Patents
Developing box Download PDFInfo
- Publication number
- CN112147863A CN112147863A CN202010511217.4A CN202010511217A CN112147863A CN 112147863 A CN112147863 A CN 112147863A CN 202010511217 A CN202010511217 A CN 202010511217A CN 112147863 A CN112147863 A CN 112147863A
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- Prior art keywords
- powder
- gear
- driving
- bin
- developing
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- 239000000843 powder Substances 0.000 claims abstract description 346
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 83
- 239000002699 waste material Substances 0.000 claims description 81
- 238000003756 stirring Methods 0.000 claims description 39
- 238000007599 discharging Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000007648 laser printing Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 10
- 210000001503 joint Anatomy 0.000 description 7
- 238000003032 molecular docking Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 239000013589 supplement Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 206010070834 Sensitisation Diseases 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000008313 sensitization Effects 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Images
Classifications
-
- 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
- G03G15/0887—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity
- G03G15/0891—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for conveying or circulating developer, e.g. augers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/10—Collecting or recycling waste developer
- G03G21/105—Arrangements for conveying toner waste
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/10—Collecting or recycling waste developer
- G03G21/12—Toner waste containers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
- G03G21/1676—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the developer unit
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Sustainable Development (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
The invention provides a developing box, which relates to the technical field of laser printing and comprises: the developing unit and the powder storage unit can be independently and detachably connected, the developing unit comprises a first driving unit, and the powder storage unit comprises a second driving unit; the first driving unit is driven by a first driving mechanism in the laser printer, and the second driving unit is driven by a second driving mechanism in the laser printer. The developing box provided by the invention has the advantages that the first driving unit and the second driving unit operate independently, the driving function is realized, and meanwhile, the driving load of the developing unit and the powder storage unit is reduced, so that the driving structure of the developing box is simplified, and the torque of a driving system of the developing box is reduced.
Description
Technical Field
The invention relates to the technical field of laser printing, in particular to a developing box.
Background
An image forming apparatus is a device that forms an image on a recording material by the principle of image formation. An image forming apparatus generally includes a developing cartridge detachably mounted in an image forming apparatus main body. The developing cartridge generally includes a photosensitive drum, a powder feeding roller, a developing roller, a toner stirring member located in a toner hopper, and the like.
In the related art, the developing cartridge is driven by a driving mechanism in the laser printer to simultaneously drive the developing unit and the powder storage unit to move simultaneously.
However, the driving mechanism of the developing cartridge in the related art has problems of a complicated structure and a large torque.
Disclosure of Invention
The invention provides a developing box, which solves the problems of complex structure and large torque of a driving mechanism of the developing box in the related art.
The present invention provides a developing cartridge comprising: the developing unit and the powder storage unit can be independently detachably connected.
The developing unit comprises a first driving unit, and the powder storage unit comprises a second driving unit;
the first driving unit is driven by a first driving mechanism in the laser printer, and the second driving unit is driven by a second driving mechanism in the laser printer.
First drive unit includes sensitization drum drive gear, developer roll drive gear, powder feeding roller drive gear and first stirring unit drive gear, sensitization drum drive gear with developer roll drive gear meshes, developer roll drive gear with powder feeding roller drive gear meshes, developer roll drive tooth and first stirring unit drive gear mesh, sensitization drum drive tooth with a actuating mechanism meshing in the laser printer.
The second drive unit comprises a first gear, a second gear and a third gear, the first gear is meshed with a second drive mechanism in the laser printer, the first gear is connected with the second gear in a rotating mode through a synchronous belt, and the second gear is meshed with the third gear.
Optionally, the developing unit further comprises a powder bin portion and a waste powder bin portion.
The powder bin part comprises a powder bin frame, a first powder bin, a developing roller, a powder feeding roller and a powder discharging knife, wherein a first stirring unit is installed in the first powder bin.
The waste powder bin part comprises a waste powder bin frame and a first waste powder bin, and a waste powder guiding mechanism is arranged in the first waste powder bin.
Optionally, a first intermediate gear is arranged between the photosensitive drum driving gear and the developing roller driving gear, and the photosensitive drum driving gear drives the developing roller driving gear to rotate through the first intermediate gear.
The developing roller driving gear with be provided with the second intermediate gear between the first stirring unit drive gear, developing roller drive gear passes through the second intermediate gear area first stirring unit drive gear rotates.
Optionally, the powder storage unit further comprises a first frame, a second frame and a third frame.
The first frame is located above the second frame, the third frame is located between the first frame and the second frame, and the first frame and the second frame are divided into a second powder bin and a second waste powder bin through the third frame.
A powder feeding mechanism is arranged in the second powder bin.
Optionally, a third intermediate gear is arranged between the third gear and the driving gear of the waste powder leading-out mechanism, and the driving gear of the waste powder leading-out mechanism is meshed with the third gear through the third intermediate gear.
Optionally, a powder feeding mechanism is arranged in the second powder bin.
The powder feeding mechanism comprises a first powder feeding piece and a second powder feeding piece, the first powder feeding piece is used for conveying carbon powder at one end, far away from the first powder bin, in the second powder bin to the second powder feeding piece, and the second powder feeding piece is used for conveying the carbon powder to the other end, close to the first powder bin, in the second powder bin.
Optionally, the first gear is connected to the first powder feeding member, and the first gear drives the first powder feeding member to rotate.
The second gear is connected with the second powder feeding piece, and the second gear drives the second powder feeding piece to rotate.
Optionally, the powder feeding mechanism further includes a third powder feeding member, and the third powder feeding member is located between the second powder feeding member and the other end of the second powder bin close to the first powder bin.
Optionally, the third gear is connected to the third powder feeding member, and the third gear drives the third powder feeding member to rotate.
Optionally, a handle is arranged on the powder storage unit and used for grabbing the developing cartridge.
The present invention provides a developing cartridge comprising: the developing unit and the powder storage unit can be independently and detachably connected, the developing unit comprises a first driving unit, and the powder storage unit comprises a second driving unit; the first driving unit is driven by a first driving mechanism in the laser printer to operate, and the second driving unit is driven by a second driving mechanism in the laser printer to operate; the first driving unit comprises a photosensitive drum driving gear, a developing roller driving gear, a powder feeding roller driving gear and a first stirring unit driving gear, the photosensitive drum driving gear is meshed with the developing roller driving gear, the developing roller driving gear is meshed with the powder feeding roller driving gear, a developing roller driving gear is meshed with the first stirring unit driving gear, and the photosensitive drum driving gear is meshed with a first driving mechanism in the laser printer; the second driving unit comprises a first gear, a second gear and a third gear, the first gear is meshed with a second driving mechanism in the laser printer, the first gear is connected with the second gear in a rotating mode through a synchronous belt, and the second gear is meshed with the third gear. The developing box provided by the invention has the advantages that the first driving unit and the second driving unit operate independently, the driving function is realized, and meanwhile, the driving load of the developing unit and the powder storage unit is reduced, so that the driving structure of the developing box is simplified, and the torque of a driving system of the developing box is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of a developing cartridge according to the present invention;
fig. 2 is a sectional view of the developing cartridge of the present invention;
FIG. 3 is a schematic perspective view of a toner storing unit of the developing cartridge according to the present invention;
FIG. 4 is an exploded view of the toner storing unit of the developing cartridge of the present invention;
fig. 5 is a side view of the developing cartridge of the present invention;
fig. 6 is a schematic structural view of the developing cartridge of the present invention employing another structural handle.
Description of reference numerals:
1-a developing cartridge;
10-a developing unit;
11-a powder bin portion;
111-powder bin frame;
112-a first powder bin;
113-a developing roller;
114-a powder feeding roller;
115-a powder discharging knife;
116-a first stirring unit;
12-waste powder bin section;
121-waste powder bin frame;
122-first waste bin;
123-a photosensitive drum;
124-a charging roller;
125-cleaning blade;
126-waste powder guiding mechanism;
20-a powder storage unit;
21-a first frame;
22-a second frame;
23-a third frame;
231-a carbon powder delivery outlet;
232-arc segment;
24-a second powder bin;
25-a second waste powder bin;
26-an abutment;
27-a communication port;
28-a powder feeding mechanism;
281-a first powder feeding member;
282-second powder feeding member;
283-a third powder feeding piece;
2-a connecting part;
40-a first drive unit;
41-photosensitive drum drive gear;
42-developing roller drive gear;
43-powder feed roller drive gear;
44-first stirring unit drive gear;
45-a first intermediate gear;
46-a second intermediate gear;
47-a drive gear;
48-a third intermediate gear;
50-a second drive unit;
51-a first gear;
52-a second gear;
53-third gear;
54-synchronous belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
An image forming apparatus is a device that forms an image on a recording material by the principle of image formation. An image forming apparatus generally includes a developing cartridge detachably mounted in an image forming apparatus main body. In the related art, the developing cartridge is driven by a driving mechanism in the laser printer to simultaneously drive the developing unit and the powder storage unit to move simultaneously. However, the driving mechanism of the developing cartridge in the related art has problems of a complicated structure and a large torque.
In order to solve the above problems, the present invention provides a developing cartridge in which a first driving unit and a second driving unit operate independently of each other, and a driving function is realized while reducing driving loads of a developing unit and a toner storing unit, thereby simplifying a developing cartridge driving structure and reducing a torque of a driving system of the developing cartridge.
The developing cartridge provided by the invention is described in detail below with reference to specific embodiments.
FIG. 1 is a perspective view of a developing cartridge according to the present invention; fig. 2 is a sectional view of the developing cartridge of the present invention; FIG. 3 is a schematic perspective view of a toner storing unit of the developing cartridge according to the present invention; FIG. 4 is an exploded view of the toner storing unit of the developing cartridge of the present invention; fig. 5 is a side view of the developing cartridge of the present invention; fig. 6 is a schematic structural view of the developing cartridge of the present invention employing another structural handle.
As shown in fig. 1, the present invention provides a developing cartridge including a developing unit 10 and a toner storing unit 20, the developing unit 10 and the toner storing unit 20 being detachably attached independently.
Wherein the developing unit 10 and the powder storage unit 20 are connected by a connecting portion 2.
In an alternative embodiment, the connection 2 may be a bolt. The developing unit 10 and the powder storage unit 20 are provided with two groups of threaded holes for connecting and matching, and the two groups of threaded holes are connected together through two bolts, so that the developing unit 10 and the powder storage unit 20 can be independently detachably connected. In other implementation manners, the developing unit 10 and the powder storage unit 20 may be connected by a buckle, the powder storage unit 20 is provided with a buckle, the developing unit 10 is provided with a slot, and the buckle is clamped in the slot, so that the developing unit 10 and the powder storage unit 20 can be independently detachably connected.
As shown in fig. 2 to 4, the developing unit 10 includes: powder storehouse part 11 and useless powder storehouse part 12, powder storehouse part 11 includes: the powder bin comprises a powder bin frame 111, a first powder bin 112 for storing carbon powder, a developing roller 113, a powder feeding roller 114 and a powder discharging knife 115, wherein a first stirring unit 116 is installed in the first powder bin 112, and a carbon powder supplementing opening communicated with the first powder bin 112 is formed in the upper surface of the powder bin frame 11. The waste powder bin portion 12 includes: the waste powder bin comprises a waste powder bin frame 121, a first waste powder bin 122 for collecting waste powder, a photosensitive drum 123, a charging roller 124 and a cleaning scraper 125, wherein a waste powder leading-out mechanism 126 is arranged in the first waste powder bin 122, and a waste powder outlet communicated with the first waste powder bin 122 is formed in the waste powder bin frame 121.
Specifically, the powder bin frame 111 encloses a first powder bin 112 for storing carbon powder, the powder storage unit 20 supplements the carbon powder to the first powder bin 112 through a carbon powder supplement port, the carbon powder in the first powder bin 112 is stirred by a first stirring unit 116, so that the powder feeding roller 114 carries the carbon powder, the carbon powder is fed onto the developing roller 113, and then the developing roller 113 and the powder discharging knife 115 are electrified after friction, so as to adsorb the carbon powder. The waste powder bin frame 121 is enclosed to form a first waste powder bin 122 for collecting waste powder, carbon powder adsorbed by the developing roller 113 is transferred to the photosensitive drum 123 through potential difference between the carbon powder and the photosensitive drum 123, after the carbon powder is transferred, the cleaning scraper 125 is in linear contact with the photosensitive drum 123, the carbon powder which is not completely transferred on the surface of the photosensitive drum 123 is cleaned, namely the waste powder, the cleaned waste powder is stored in the first waste powder bin 122, and finally the waste powder is guided into the powder storage unit 20 through the waste powder guiding mechanism 126.
The charging roller 124 is used for charging the surface of the photosensitive drum 123 with uniform charges, so that the photosensitive drum 123 adsorbs carbon powder; the waste powder guiding mechanism 126 can adopt a structure that a stirring shaft is attached with blades.
As shown in fig. 2 to 4, the powder storage unit 20 includes: the powder feeding device comprises a first frame 21, a second frame 22 and a third frame 23, wherein the first frame 21 is positioned above the second frame 22, the third frame 23 is positioned between the first frame 21 and the second frame 22, and the first frame 21 and the second frame 22 are divided into a second powder bin 24 and a second waste powder bin 25 through the third frame 23.
In order to replenish the carbon powder in the first powder bin 112, a carbon powder delivery outlet 231 communicated with the second powder bin 24 is arranged at the front end of the third frame 23; a communication port 27 is provided at the front end of the second frame 22 so that waste toner in the first waste toner hopper 122 can be discharged.
Specifically, the first frame 21, the second frame 22, and the third frame 23 may be integrally formed by being provided. In another embodiment, the first frame 21, the second frame 22, and the third frame 23 may be provided separately, and the first frame 21, the second frame 22, and the third frame 23 may be connected by welding, bonding, or the like.
Alternatively, in order to improve the efficiency of replenishing toner in the first toner hopper 11, the conveying outlet 231 may be plural, and a plurality of conveying outlets 231 are provided at the front end of the third frame 23.
In an optional embodiment, carbon powder conveying outlets 231 communicated with the second powder bin 24 are arranged on two sides of the front end of the third frame 23, docking pieces 26 are arranged on two ends of the bottom of the powder storage unit 20, the upper ends of the docking pieces 26 are docked with the carbon powder conveying outlets 231 of the second powder bin 24, and the lower ends of the docking pieces 26 are docked with the carbon powder replenishing ports of the first powder bin 112, so that the communication between the first powder bin 112 and the second powder bin 24 is realized, and the carbon powder replenishing of the first powder bin 112 by the second powder bin 24 can be realized; the front end of the second frame 22 is provided with a communication port 27, the communication port 27 is in butt joint with the waste powder outlet of the first waste powder bin 122, so that the first waste powder bin 122 is communicated with the second waste powder bin 25, and waste powder in the first waste powder bin 122 can be led out of the second waste powder bin 25.
In other implementation manners, in order to implement the carbon powder supplement of the second powder bin 24 to the first powder bin 112, carbon powder conveying outlets 231 communicated with the second powder bin 24 are arranged at two sides of the front end of the third frame 23, a butt joint piece 26 is arranged at the top of the carbon powder supplement port of the first powder bin 112, the upper end of the butt joint piece 26 is butted with the carbon powder conveying outlet 231 of the second powder bin 24, the lower end of the butt joint piece 26 is butted with the carbon powder supplement port of the first powder bin 112, the communication between the first powder bin 112 and the second powder bin 24 is implemented, and therefore the carbon powder supplement of the first powder bin 112 by the second powder bin 24 can be implemented; the front end of the second frame 22 is provided with a communication port 27, the communication port 27 is in butt joint with the waste powder outlet of the first waste powder bin 122, so that the first waste powder bin 122 is communicated with the second waste powder bin 25, and waste powder in the first waste powder bin 122 can be led out of the second waste powder bin 25.
The abutting member 26 may be a tapered tube, a square tube, a circular tube, etc., and is not specifically provided herein.
Alternatively, the rear end of the third frame 23 may be provided in a concave type structure.
In order to increase the capacity of the second powder bin 24, a concave structure may be provided at the rear end of the third frame 23.
In an alternative embodiment, the concave structure can be an arc-shaped segment 232, and the arc-shaped segment 232 is oriented downward, so that the capacity of the second powder bin 24 can be increased.
In other implementations, the concave structure may be a circle segment, the circle segment facing downward.
Optionally, a powder feeding mechanism 28 is disposed in the second powder bin 24 for feeding the carbon powder in the second powder bin 24 to the carbon powder feeding outlet 231.
In order to improve the efficiency of conveying the carbon powder in the second powder bin 24 to the carbon powder conveying outlet 231, a powder feeding mechanism 28 is arranged in the second powder bin 24 and is responsible for conveying the carbon powder in the second powder bin 24 to the carbon powder conveying outlet 231, so that the efficiency of conveying the carbon powder in the second powder bin 24 to the carbon powder conveying outlet 231 is improved, and the supplementing efficiency of the carbon powder in the first powder bin 112 is further improved.
Specifically, the powder feeding mechanism 28 may be realized by:
in an alternative embodiment, the powder feeding mechanism 28 comprises: a first powder feeding member 281 and a second powder feeding member 282, wherein the first powder feeding member 281 transfers the carbon powder in the second powder bin 24 at the rear end to the second powder feeding member 282 along the direction a, the second powder feeding member 282 continues to transfer the carbon powder to the docking member 26 along the direction a, and the carbon powder enters the first powder bin 112 from the carbon powder delivery outlet 231 via the docking member 26.
Wherein, the first powder feeding piece 281 adopts a structure that a stirring shaft is attached to blades; the second powder feeding part 282 adopts a structure that a rotating shaft drives a powder feeding belt to rotate, and the powder feeding belt is provided with a conveying plate, so that the second powder feeding part 282 can stir the carbon powder in the second powder bin 24, and the carbon powder in the second powder bin 24 can be conveyed to the carbon powder conveying outlet 231.
It should be noted that the vanes on the first powder feeding member 281 can transfer the carbon powder stored in the arc-shaped segment 232 to the second powder feeding member 282.
In another alternative embodiment, the powder feeding mechanism 28 includes: a first powder feeder 281, a second powder feeder 282 and a third powder feeder 283, wherein the first powder feeder 281 conveys the carbon powder at the rear end in the second powder bin 24 to the second powder feeder 282 along the direction a, the second powder feeder 282 continues to convey the carbon powder to the third powder feeder 283 along the direction a, the third powder feeder 283 conveys the carbon powder to the docking member 26, and the carbon powder enters the first powder bin 112 from the carbon powder conveying outlet 231 via the docking member 26.
Wherein, the first powder feeding piece 281 adopts a structure that a stirring shaft is attached to blades; the second powder feeding piece 282 adopts a structure that a rotating shaft drives a powder feeding belt to rotate, and the powder feeding belt is provided with a conveying plate, so that the second powder feeding piece 282 can stir the carbon powder in the second powder bin 24, and the carbon powder in the second powder bin 24 can be conveyed to the carbon powder conveying outlet 231; the third powder feeding member 283 is positioned at the front end of the second powder feeding member 282 and near the carbon powder conveying outlet 231, and the third powder feeding member 283 adopts a screw structure.
The front end of the second powder feeder 282 is an end of the second powder feeder 282 near the toner conveying outlet 231. The direction a is the direction in which the other end of the second powder feeder 282 away from the toner delivery outlet 231 extends toward the end of the second powder feeder 282 near the toner delivery outlet 231.
Optionally, the second waste powder bin 25 may further be provided with a waste powder conveying mechanism for conveying the waste powder at the inlet of the second waste powder bin 25 to the rear end.
Wherein, in order to prevent that the useless powder in the useless powder storehouse 25 of second from piling up at the useless powder storehouse 25 entry of second, can also set up useless powder transport mechanism at useless powder storehouse 25 of second, be responsible for transporting the useless powder of useless powder storehouse 25 entry of second to the rear end to the useless powder in the useless powder storehouse 25 of second has been prevented from piling up at useless powder storehouse 25 entry of second.
Specifically, the waste powder conveying mechanism can adopt a structure that a rotating shaft drives a powder conveying belt to rotate, and the powder conveying belt is provided with a conveying plate, so that the waste powder conveying mechanism can stir the waste powder in the second waste powder bin 25, and the waste powder at the inlet of the second waste powder bin 25 can be conveyed to the rear end along the reverse direction of A.
The rear end of the second waste toner hopper 25 is an end of the second waste toner hopper 25 away from the communication opening 27.
Optionally, the developing unit 1 further includes a third powder hopper 30.
As shown in fig. 1 and 4, in order to further improve the powder supply capability of the powder storage unit 20, a third powder bin 30 may be further added on one side of the powder storage unit 20, and the third powder bin 30 is communicated with the second powder bin 24.
Specifically, the third powder bin 30 and the powder storage unit 20 may be integrally formed by being disposed. In other implementations, the third powder bin 30 and the powder storage unit 20 may be provided separately, and the third powder bin 30 and the powder storage unit 20 may be connected by welding, bonding, or the like.
Further, the possible powder feeding modes of the third powder bin 30 are as follows:
in an alternative embodiment, the powder feeding manner of the third powder bin 30 can adopt the way that the bottom of the third powder bin 30 is arranged to be inclined so that the carbon powder in the third powder bin 30 can freely flow to the second powder bin 24, thereby realizing the conveying of the carbon powder in the third powder bin 30 to the second powder bin 24.
In another alternative embodiment, a threaded portion may be added to one end of the stirring shaft of the first powder feeding member 281 of the third powder bin 30, and the threaded portion extends into the third powder bin 30, so that the carbon powder in the third powder bin 30 is stirred and transferred into the second powder bin 24 by the rotation of the stirring shaft of the first powder feeding member 281, and the carbon powder in the third powder bin 30 is transferred into the second powder bin 24.
As shown in fig. 1 and 5, the developing cartridge 1 further includes a first driving unit 40 and a second driving unit 50, the first driving unit 40 being located on the developing unit 10, the second driving unit 50 being located on the toner storing unit 20.
The first driving unit 40 includes a photosensitive drum driving gear 41, a developing roller driving gear 42, a powder feeding roller driving gear 43, and a first stirring unit driving gear 44, the photosensitive drum driving gear 41 drives the developing roller driving gear 42 to rotate, the developing roller driving gear 42 drives the powder feeding roller driving gear 43 and the first stirring unit driving gear 44 to rotate, and the photosensitive drum driving gear 41 is driven to rotate by a first driving mechanism in the laser printer. The second driving unit 50 includes: the laser printer comprises a first gear 51, a second gear 52 and a third gear 53, wherein the first gear 51 is driven to rotate by a second driving mechanism in the laser printer, the first gear 51 drives the second gear 52 to rotate through a synchronous belt 54, and the second gear 52 is meshed with the third gear 53.
Specifically, the photosensitive drum driving gear 41 is fixed on the shaft of the photosensitive drum 123, and the photosensitive drum driving gear 41 can rotate the photosensitive drum 123; the developing roller driving gear 42 is fixed on the shaft of the developing roller 113, and the developing roller driving gear 42 can drive the developing roller 113 to rotate; the powder feeding roller driving gear 43 is fixed on the shaft of the powder feeding roller 114, and the powder feeding roller driving gear 432 can drive the powder feeding roller 114 to rotate; the first stirring unit driving gear 44 is fixed on the shaft of the first stirring unit 116, and the first stirring unit driving gear 44 can drive the first stirring unit 116 to rotate; the first gear 51 is fixed on the shaft of the first powder feeding piece 281, and the first gear 51 can drive the first powder feeding piece 281 to rotate; the second gear 52 is fixed on the shaft of the second powder feeding member 282, and the second gear 52 can drive the second powder feeding member 282 to rotate.
Further, the photosensitive drum driving gear 41 is driven to rotate by a first driving mechanism in the laser printer, then the photosensitive drum driving gear 41 drives the developing roller driving gear 42 to rotate, the developing roller driving gear 42 drives the powder feeding roller driving gear 43 and the first stirring unit driving gear 44 to rotate, so that the carbon powder in the first powder bin 112 is stirred by the first stirring unit 116, the powder feeding roller 114 carries the carbon powder, the carbon powder is fed onto the developing roller 113, then the developing roller 113 and the powder discharging knife 115 are electrified after friction, the carbon powder is adsorbed, and the carbon powder adsorbed by the developing roller 113 is transferred to the photosensitive drum 123 through a potential difference between the carbon powder and the photosensitive drum 123; the first gear 51 is driven to rotate by a second driving mechanism in the laser printer, the first gear 51 drives the second gear 52 to rotate through a synchronous belt 54, the second gear 52 drives the third gear 53 to rotate, the third gear 53 drives the driving gear 47 to rotate, so that the first powder feeding part 281 conveys carbon powder at the rear end in the second powder bin 24 to the second powder feeding part 282 along the direction A, the second powder feeding part 282 continuously conveys the carbon powder forwards along the direction A, the carbon powder enters the first powder bin 112 from the carbon powder conveying outlet 231 through the butt joint part 26, the efficiency of conveying the carbon powder in the second powder bin 24 to the carbon powder conveying outlet 231 is improved, and the supplement efficiency of the carbon powder in the first powder bin 112 is improved.
The developing cartridge 1 provided by the present invention operates independently of each other by the first driving unit 40 and the second driving unit 50, and reduces the driving load of the developing unit 10 and the toner storing unit 20 while achieving the driving function, thereby simplifying the driving structure of the developing cartridge 1 and reducing the torque of the driving system of the developing cartridge 1.
Optionally, the third gear 53 is connected to the third powder feeding member 283, and the third gear 53 drives the third powder feeding member 283 to rotate.
Specifically, the third gear 53 is fixed on the shaft of the third powder feeding member 283, the third gear 53 can drive the third powder feeding member 283 to rotate, and the third powder feeding member 283 can feed the carbon powder conveyed by the second powder feeding member 282 into the first powder bin 112 through the butt joint member 26, so that the efficiency of conveying the carbon powder in the second powder bin 24 to the carbon powder conveying outlet 231 is further improved, and the efficiency of supplementing the carbon powder in the first powder bin 112 is further improved.
Alternatively, the driving gear 47 of the waste toner lead-out mechanism 126 is engaged with the third gear 53.
Specifically, the driving gear 47 is fixed on the shaft of the waste powder guiding mechanism 126, and the driving gear 47 can drive the guiding mechanism 126 to rotate, so that the waste powder in the first waste powder bin 122 can be guided out to the second waste powder bin 25.
Alternatively, a first intermediate gear 45 is provided between the photosensitive drum drive gear 41 and the developing roller drive gear 42.
In order to improve the smoothness of the operation between the photosensitive drum drive gear 41 and the developing roller drive gear 42, a first intermediate gear 45 is provided between the photosensitive drum drive gear 41 and the developing roller drive gear 42.
Specifically, the photosensitive drum driving gear 41 drives the developing roller driving gear 42 to rotate through the first intermediate gear 45, so that the carbon powder adsorbed by the developing roller 113 is transferred to the photosensitive drum 123 through the potential difference between the carbon powder and the photosensitive drum 123, and therefore the running stability between the photosensitive drum driving gear 41 and the developing roller driving gear 42 is improved, and the running stability and the running reliability of the developing cartridge 1 are further improved.
Alternatively, a second intermediate gear 46 is provided between the developing roller drive gear 42 and the first stirring unit drive gear 44.
In order to improve the smoothness of the operation between the developing roller drive gear 42 and the first stirring unit drive gear 44, a second intermediate gear 46 is provided between the developing roller drive gear 42 and the first stirring unit drive gear 44.
Specifically, the developing roller driving gear 42 drives the first stirring unit driving gear 44 to rotate through the second intermediate gear 46, so that the carbon powder in the first powder bin 112 is stirred through the first stirring unit 116, the powder feeding roller 114 carries the carbon powder, and the carbon powder is fed onto the developing roller 113, so that the running stability between the developing roller driving gear 42 and the first stirring unit driving gear 44 is improved, and further the running stability and reliability of the developing cartridge 1 are improved.
Optionally, a third intermediate gear 48 is provided between the drive gear 47 and the third gear 53 of the waste toner lead-out mechanism 126.
Wherein, in order to improve the smoothness of the operation between the driving gear 47 and the third gear 53, a third intermediate gear 48 is provided between the driving gear 47 and the third gear 53,
specifically, the driving gear 47 of the waste toner guiding mechanism 126 is meshed with the third gear 53 through the third intermediate gear 48, and the third gear 53 drives the driving gear 47 to rotate through the third intermediate gear 48, so that the waste toner in the first waste toner bin 122 can be guided out to the second waste toner bin 25, and therefore, the running stability between the driving gear 47 and the third gear 53 is improved, and further, the running stability and reliability of the developing cartridge 1 are improved.
Optionally, a handle 60 is provided on the powder storage unit 20, and the handle 60 is used for grasping the developing cartridge 1.
Wherein, in order to facilitate grasping the developing cartridge 1, a handle 60 is provided on the developing cartridge 1, the handle 60 is located at the top of the developing cartridge 1, and the handle 60 is mounted on the first frame 21.
Specifically, as shown in fig. 1, the handle 60 may be made of a soft material, such as rubber. In other implementations, as shown in FIG. 6, the handle 60 may also be of an injection molded construction.
Further, when the handle 60 is in the non-grip state, the handle 60 is attached to the first frame 21, thereby reducing the occupied space of the developing cartridge 1; when the handle 60 is in the grip state, the handle 60 is separated from the first frame 21, thereby facilitating gripping of the developing cartridge 1.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A developing cartridge, characterized by comprising: the developing unit and the powder storage unit can be independently detachably connected;
the developing unit comprises a first driving unit, and the powder storage unit comprises a second driving unit;
the first driving unit is driven by a first driving mechanism in the laser printer to operate, and the second driving unit is driven by a second driving mechanism in the laser printer to operate;
the first driving unit comprises a photosensitive drum driving gear, a developing roller driving gear, a powder feeding roller driving gear and a first stirring unit driving gear, the photosensitive drum driving gear is meshed with the developing roller driving gear, the developing roller driving gear is meshed with the powder feeding roller driving gear, the developing roller driving gear is meshed with the first stirring unit driving gear, and the photosensitive drum driving gear is meshed with a first driving mechanism in the laser printer;
the second drive unit comprises a first gear, a second gear and a third gear, the first gear is meshed with a second drive mechanism in the laser printer, the first gear is connected with the second gear in a rotating mode through a synchronous belt, and the second gear is meshed with the third gear.
2. A developing cartridge according to claim 1, wherein said developing unit further includes a powder hopper portion and a waste powder hopper portion;
the powder bin part comprises a powder bin frame, a first powder bin, a developing roller, a powder feeding roller and a powder discharging knife, wherein a first stirring unit is arranged in the first powder bin;
the waste powder bin part comprises a waste powder bin frame and a first waste powder bin, and a waste powder guiding mechanism is arranged in the first waste powder bin.
3. A developing cartridge according to claim 2, wherein a first intermediate gear is provided between said photosensitive drum drive gear and said developing roller drive gear, said photosensitive drum drive gear rotating said developing roller drive gear via said first intermediate gear;
the developing roller driving gear with be provided with the second intermediate gear between the first stirring unit drive gear, developing roller drive gear passes through the second intermediate gear area first stirring unit drive gear rotates.
4. A developing cartridge according to claim 3, wherein said powder storage unit further includes a first frame, a second frame and a third frame;
the first frame is positioned above the second frame, the third frame is positioned between the first frame and the second frame, and the first frame and the second frame are divided into a second powder bin and a second waste powder bin through the third frame;
a powder feeding mechanism is arranged in the second powder bin.
5. A developing cartridge according to claim 4, wherein a third intermediate gear is provided between the third gear and the drive gear of the waste toner deriving mechanism, and the drive gear of the waste toner deriving mechanism is meshed with the third gear through the third intermediate gear.
6. A developing cartridge according to claim 5, wherein a powder feeding mechanism is provided in said second powder hopper;
the powder feeding mechanism comprises a first powder feeding piece and a second powder feeding piece, the first powder feeding piece is used for conveying carbon powder at one end, far away from the first powder bin, in the second powder bin to the second powder feeding piece, and the second powder feeding piece is used for conveying the carbon powder to the other end, close to the first powder bin, in the second powder bin.
7. A developing cartridge according to claim 6, wherein said first gear is connected to said first powder feeding member, and said first gear rotates said first powder feeding member;
the second gear is connected with the second powder feeding piece, and the second gear drives the second powder feeding piece to rotate.
8. A developing cartridge according to claim 7, wherein said powder feeding mechanism further includes a third powder feeding member located between said second powder feeding member and the other end of said second powder hopper near said first powder hopper.
9. A developing cartridge according to claim 8, wherein said third gear is connected to said third powder feeding member, and said third gear rotates said third powder feeding member.
10. A developing cartridge according to claim 1, wherein a handle is provided on said toner storage unit, said handle being for grasping the developing cartridge.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921010743 | 2019-06-28 | ||
| CN201921006168 | 2019-06-28 | ||
| CN2019210061688 | 2019-06-28 | ||
| CN2019210107431 | 2019-06-28 |
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| Publication Number | Publication Date |
|---|---|
| CN112147863A true CN112147863A (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010511227.8A Pending CN112147864A (en) | 2019-06-28 | 2020-06-08 | Developing box |
| CN202021041200.9U Active CN212009283U (en) | 2019-06-28 | 2020-06-08 | Developing box |
| CN202021041321.3U Active CN212009284U (en) | 2019-06-28 | 2020-06-08 | Developing box |
| CN202010511217.4A Pending CN112147863A (en) | 2019-06-28 | 2020-06-08 | Developing box |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010511227.8A Pending CN112147864A (en) | 2019-06-28 | 2020-06-08 | Developing box |
| CN202021041200.9U Active CN212009283U (en) | 2019-06-28 | 2020-06-08 | Developing box |
| CN202021041321.3U Active CN212009284U (en) | 2019-06-28 | 2020-06-08 | Developing box |
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| CN (4) | CN112147864A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882368A (en) * | 2021-04-07 | 2021-06-01 | 珠海联合天润打印耗材有限公司 | Developing box |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147864A (en) * | 2019-06-28 | 2020-12-29 | 纳思达股份有限公司 | Developing box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1437076A (en) * | 2002-02-05 | 2003-08-20 | 珠海天威飞马打印耗材有限公司 | Universal powder box |
| CN204116817U (en) * | 2014-09-25 | 2015-01-21 | 珠海天威飞马打印耗材有限公司 | Handle box |
| CN104317176A (en) * | 2014-09-29 | 2015-01-28 | 韩进龙 | Continuous toner supply toner cartridge and image forming device |
| CN212009283U (en) * | 2019-06-28 | 2020-11-24 | 纳思达股份有限公司 | Developing box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205809540U (en) * | 2016-01-18 | 2016-12-14 | 马鞍山澄果电子科技有限公司 | Use on toner cartridge carbon dust to be transported to the carbon power filling bottle of toner cartridge, toner cartridge assembly and image processing system |
| CN206411453U (en) * | 2017-01-24 | 2017-08-15 | 珠海泛能打印机耗材有限公司 | A kind of toner cartridge of the recyclable useless powder of twin-screw |
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2020
- 2020-06-08 CN CN202010511227.8A patent/CN112147864A/en active Pending
- 2020-06-08 CN CN202021041200.9U patent/CN212009283U/en active Active
- 2020-06-08 CN CN202021041321.3U patent/CN212009284U/en active Active
- 2020-06-08 CN CN202010511217.4A patent/CN112147863A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1437076A (en) * | 2002-02-05 | 2003-08-20 | 珠海天威飞马打印耗材有限公司 | Universal powder box |
| CN204116817U (en) * | 2014-09-25 | 2015-01-21 | 珠海天威飞马打印耗材有限公司 | Handle box |
| CN104317176A (en) * | 2014-09-29 | 2015-01-28 | 韩进龙 | Continuous toner supply toner cartridge and image forming device |
| CN212009283U (en) * | 2019-06-28 | 2020-11-24 | 纳思达股份有限公司 | Developing box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882368A (en) * | 2021-04-07 | 2021-06-01 | 珠海联合天润打印耗材有限公司 | Developing box |
Also Published As
| Publication number | Publication date |
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| CN212009284U (en) | 2020-11-24 |
| CN212009283U (en) | 2020-11-24 |
| CN112147864A (en) | 2020-12-29 |
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