CN201156165Y - Powder feed roller and toner cartridge - Google Patents
Powder feed roller and toner cartridge Download PDFInfo
- Publication number
- CN201156165Y CN201156165Y CNU2008200442134U CN200820044213U CN201156165Y CN 201156165 Y CN201156165 Y CN 201156165Y CN U2008200442134 U CNU2008200442134 U CN U2008200442134U CN 200820044213 U CN200820044213 U CN 200820044213U CN 201156165 Y CN201156165 Y CN 201156165Y
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- Prior art keywords
- roller
- powder
- toner
- sealing door
- feeding roller
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Abstract
本实用新型涉及激光打印机用耗材，尤其是一种碳粉盒。送粉辊，包括固定连接驱动件的驱动端；伸入密封门内以支撑送粉辊于密封门上的支撑端；圆柱状的辊部，辊部的外表面设有螺旋体；其中，所述辊部表面沿轴向设有条行槽。上述结构的送粉辊在原有结构的基础上进行改进，通过在送粉辊辊部表面设置用于碳粉回流的条行槽，在送粉辊工作时，碳粉往一侧移动，当碳粉堆积过多，多余的碳粉则会通过轴向通道退回，有效的防止了在送粉过程中的碳粉堆积，进而导致卡死或异响的情况，且减少了打印余粉量。
This utility model relates to consumables for laser printers, and more particularly to a toner cartridge. The toner delivery roller includes a drive end fixedly connected to a drive component; a support end extending into a sealing door to support the toner delivery roller on the sealing door; a cylindrical roller portion with a spiral body on its outer surface; wherein, the surface of the roller portion has axially arranged grooves. This toner delivery roller structure improves upon existing structures by providing grooves for toner return on the roller portion surface. During operation, the toner moves to one side, and when excessive toner accumulates, the excess toner is returned through the axial channel, effectively preventing toner accumulation during delivery, thus avoiding jamming or abnormal noise, and reducing residual toner.
Description
Technical Field
The utility model relates to a laser printer is with consumptive material and part thereof, especially a powder roller send on cartridge and the cartridge.
Background
The toner cartridge comprises a toner hopper for containing toner, and a stirring frame and a toner feeding mechanism are generally arranged in the toner hopper. The powder feeding mechanism mainly comprises a powder feeding roller and a sealing door. The gear drives the powder feeding roller to collect and feed the powder, and then the carbon powder is output through a sealing door which is used for opening and closing the bin. The sent carbon powder reaches the imaging component from the powder outlet. After receiving the carbon powder supplied by the powder bin, the imaging component completes the printing and imaging process through a series of operations such as developing, transfer printing, exposure imaging and the like.
The powder feeding rollers currently used are mainly of two types: firstly, a spiral powder feeding roller; the second is a sponge powder feeding roller.
The sponge powder feeding roller can feed powder uniformly, but the sponge powder is stored in the gaps of the sponge powder feeding roller, so that the sponge powder feeding roller has less powder feeding amount at one time and lower efficiency.
The general spiral powder feeding roller comprises three parts, one end of the general spiral powder feeding roller is a driving end fixedly connected with a driving shaft, the other end of the general spiral powder feeding roller is a supporting end extending into a sealing door to support the powder feeding roller in the sealing door, the middle of the general spiral powder feeding roller is a cylindrical roller part, and the whole body of the outer surface of the roller is provided with a spiral body and the rotating direction of the spiral body is unchanged. This structure has the following drawbacks: because the spirochetes are uniformly distributed on the surface of the powder feeding roller, and the rotating direction is unchanged, in the powder feeding working process, the carbon powder is always pushed by the axial force, the more the carbon powder gathers, the smaller the space for containing the carbon powder, the more the carbon powder accumulates and is extruded, the carbon powder is easy to agglomerate, and the agglomeration result can cause the blocking of the transmission mechanism of the powder feeding roller. Such a problem occurs in practical applications, and needs to be improved.
Disclosure of Invention
The utility model aims at providing a powder feeding roller, this powder feeding roller can not produce the carbon dust and pile up the phenomenon at the powder feeding in-process.
Another object of the present invention is to provide a toner cartridge, wherein the toner feeding roller of the toner cartridge does not generate toner accumulation during toner feeding.
In order to achieve the first objective, the present invention provides the following technical solutions:
a powder feeding roller comprises
The driving end is fixedly connected with the driving piece;
a support end extending into the sealing door to support the powder feeding roller on the sealing door;
the roller comprises a cylindrical roller part, wherein a spiral body is arranged on the outer surface of the roller part;
wherein,
the surface of the roller part is provided with strip-shaped grooves along the axial direction.
The powder feeding roller with the structure is improved on the basis of the original structure, and the strip-shaped grooves for carbon powder backflow are formed in the surface of the powder feeding roller, so that when the carbon powder is excessively accumulated in the process of conveying the carbon powder to one side, redundant carbon powder is transferred to the opposite side through the axial channel, the carbon powder accumulation in the powder feeding process is effectively prevented, and the occurrence of abnormal sound caused by the fact that a mechanism is clamped or is sent out is avoided.
In order to achieve the other purpose, the utility model provides the following technical scheme: a toner cartridge comprising
The bottom of the carbon powder bin is provided with a powder outlet;
the sealing door is supported in the carbon powder bin and can rotate along the axis of the sealing door to open and close the powder outlet, the sealing door is provided with a semicircular tubular part, and a box opening corresponding to the powder outlet is arranged on the semicircular tubular part along the axial direction of the sealing door;
a powder feeding roller, part of which is accommodated in the sealing door, and the powder feeding roller can rotate relative to the sealing door;
the powder feeding roller comprises:
the driving end is fixedly connected with the driving piece;
a support end extending into the sealing door to support the powder feeding roller on the sealing door;
the roller comprises a cylindrical roller part, wherein a spiral body is arranged on the outer surface of the roller part;
wherein,
the surface of the roller part is provided with strip-shaped grooves along the axial direction.
The utility model discloses a toner cartridge compares with prior art, send the powder roller to improve on the basis of original structure, through sending the capable groove of strip that powder roller portion surface set up and be used for the carbon dust backward flow, produce the carbon dust when piling up too much toward the in-process that one side was carried at the carbon dust, make unnecessary carbon dust pass through axial channel and shift to opposite one side, prevented effectively that the carbon dust of sending the powder in-process from piling up, and then avoided the mechanism card to die or send the emergence of the abnormal sound condition, and reduced the surplus powder volume of toner cartridge.
In order to realize better technical effect, the further technical scheme is as follows:
two strip-shaped grooves are symmetrically arranged on the surface of the roller part along the axial direction.
Increasing the number of strip line slots can make the efficiency of carbon powder reflow higher.
The further technical scheme is as follows:
at least one end of the roller part is a non-spiral area.
The opening with a certain length is additionally arranged at the ending part of the spiral body at the roller part of the powder feeding roller, so that a spiral-free area without the spiral body is formed, and when the powder feeding roller works, the ending part of the spiral body is disconnected, so that a closed space is eliminated, even more carbon powder is accumulated, and the condition that the mechanism is blocked or has abnormal sound due to carbon powder agglomeration and powder clamping can be avoided.
Drawings
Figure 1 is a perspective view of a first embodiment toner cartridge portion assembly;
fig. 2 is a perspective view of a powder feeding roller in the toner cartridge of the first embodiment;
FIG. 3 is a perspective view of FIG. 1 from another angle with the housing enclosing the toner hopper removed;
fig. 4 is a perspective view of a sealing door in the toner cartridge of the first embodiment;
fig. 5 is a perspective view of a powder feeding roller in the toner cartridge of the second embodiment.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Example one
Referring to fig. 1, the toner cartridge has a toner hopper 5 enclosed by a housing and containing toner, a hopper cover is omitted from fig. 1 for clarity of illustration, a stirring frame (not shown) is arranged in the toner hopper 5, and a toner outlet is formed at the bottom of the toner hopper 5. The sealing door 2 is supported in the toner hopper 5, the sealing door 2 can rotate along the axis of the sealing door 2 to control the opening and closing of the toner outlet, the sealing door 2 is provided with a semicircular tubular part 21 (see figure 4), and the semicircular tubular part 21 is provided with a cartridge opening 211 corresponding to the toner outlet along the axial direction of the sealing door 2. The sealing door 2 can control the alignment and the staggering of the box opening 211 and the powder outlet through rotation, and when the box opening 211 is aligned with the powder outlet, the powder outlet is opened; when the cartridge opening 211 is staggered with the powder outlet, the powder outlet is closed. That is, the sealing door 2 can control the opening and closing of the powder outlet 5 by rotating along the axis. A transmission part is fixedly connected with the sealing door 2 in the circumferential direction, and the sealing door 2 can rotate along the axis of the sealing door 2 under the driving of the transmission part. The outer surface of the semi-circular tubular part 21 is an arc surface which is in close contact with the inner wall near the powder outlet 5 of the carbon powder bin. When the sealing door 2 rotates to a specific position, the cartridge opening 211 is aligned with the toner outlet of the toner hopper 5, toner can reach the imaging component from the toner hopper 5, and after the imaging component receives the toner supplied by the toner hopper 5, the printing and imaging process is completed through a series of operations such as developing, transfer printing, exposure imaging and the like. And when the sealing door 2 is in other positions, the powder outlet is sealed, and in order to prevent the carbon powder from leaking out from the space between the sealing door 2 and the inner wall of the carbon powder bin, a sealing sponge is arranged between the sealing door 2 and the inner wall of the carbon powder bin, and other sealing elements can be selected as substitutes of the sealing sponge 7.
The powder feeding roller 1 has a structure shown in fig. 2, and comprises a driving end 11 fixedly connected with a driving gear 3 (see fig. 3), a supporting end 12 extending into the sealing door 2 to support the powder feeding roller 1 in the sealing door 2, and a cylindrical roller part 13, wherein a spiral 14 is axially arranged on the outer surface of the roller part 13. The surface of the roller part 13 is provided with two strip-line grooves 131 in the axial direction, and the two strip-line grooves 131 are symmetrically arranged with respect to the axis of the roller part 13.
Referring to fig. 1, when a toner cartridge is loaded into a printer for printing, toner in a toner hopper 5 is conveyed to a toner feeding roller 1 under the stirring of a stirring frame, the toner feeding roller 1 rotates under the action of a driving gear 3, the surface of a spiral body 14 on the toner feeding roller 1 generates an axial thrust to the toner thereon, the toner is stressed above a toner outlet and moves along the axial direction of the toner feeding roller 1, and at the moment, most of the toner falls from the toner outlet under the action of gravity and the stirring of the spiral body and enters a toner storage bin of a developing assembly. Because the amount of the carbon powder accumulated on the powder feeding roller 1 is larger than the amount of the carbon powder falling into the powder storage bin of the developing assembly, the redundant carbon powder on the powder feeding roller 1 can continuously move along the axial direction and then reaches the end part of the powder feeding roller 1 until the pushing force of the spiral body 14 on the powder feeding roller 1 is not continuously applied. Then, the carbon powder starts to pile up and generate pressure, and at this time, the carbon powder can flow back to the reverse direction of the axial thrust of the spiral body 14 through the strip-shaped groove 131 on the powder feeding roller 1 under the pressure and then fall into the developing assembly.
Example two
The main difference between the second embodiment and the first embodiment is the structure of the powder feeding roller, and the structure of the developing roller of the present embodiment is shown in fig. 5. The powder feeding roller 10 comprises a driving end 101 fixedly connected with a driving gear, a supporting end 102 extending into the sealing door to support the powder feeding roller 10 on the sealing door, and a cylindrical roller part 103, wherein a spiral body 104 is arranged on the outer surface of the roller part 103 along the axial direction. The helical body 104 is not distributed on the whole surface of the roller part 103, two sections of non-helical regions 1032, 1033 are arranged at two ends of the roller part 103, and the length of the non-helical regions 1032, 1033 is 8-20 mm. The surface of the roller portion 103 is provided with two strip lines 1031 in the axial direction, and the two strip lines 1031 are symmetrically arranged with respect to the axis of the roller portion 103.
Of course, the structural composition of the toner cartridge of the present invention is not limited to the above-described embodiments. For example, a non-spiral region may be provided at one end of the roller portion; the middle section of the roller part can also be provided with a non-spiral area. Obvious variations on the above-described embodiments, as well as other modifications, which do not depart from the gist of the invention, are intended to be within the scope of the appended claims.
Claims (8)
1. A powder feeding roller comprises
The driving end is fixedly connected with the driving piece;
a support end extending into the sealing door to support the powder feeding roller on the sealing door;
the roller comprises a cylindrical roller part, wherein a spiral body is arranged on the outer surface of the roller part;
the method is characterized in that:
the surface of the roller part is provided with strip-shaped grooves along the axial direction.
2. The powder feed roller as claimed in claim 1,
the method is characterized in that:
two strip-shaped grooves are symmetrically arranged on the surface of the roller part along the axial direction.
3. The powder feed roller according to claim 1 or 2,
the method is characterized in that:
at least one end of the roller part is a non-spiral area.
4. The powder feed roller according to claim 3,
the method is characterized in that:
both ends of the roller part are non-spiral areas.
5. A toner cartridge comprising
The bottom of the carbon powder bin is provided with a powder outlet;
the sealing door is supported in the carbon powder bin and can rotate along the axis of the sealing door to open and close the powder outlet, the sealing door is provided with a semicircular tubular part, and a box opening corresponding to the powder outlet is arranged on the semicircular tubular part along the axial direction of the sealing door;
a powder feeding roller, part of which is accommodated in the sealing door, and the powder feeding roller can rotate relative to the sealing door;
the powder feeding roller comprises:
the driving end is fixedly connected with the driving piece;
a support end extending into the sealing door to support the powder feeding roller on the sealing door;
the roller comprises a cylindrical roller part, wherein a spiral body is arranged on the outer surface of the roller part;
the method is characterized in that:
the surface of the roller part is provided with strip-shaped grooves along the axial direction.
6. The powder feed roller as claimed in claim 5,
the method is characterized in that:
two strip-shaped grooves are symmetrically arranged on the surface of the roller part along the axial direction.
7. The powder feed roller according to claim 5 or 6,
the method is characterized in that:
at least one end of the roller part is a non-spiral area.
8. The toner cartridge of claim 7,
the method is characterized in that:
both ends of the roller part are non-spiral areas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200442134U CN201156165Y (en) | 2008-02-18 | 2008-02-18 | Powder feed roller and toner cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200442134U CN201156165Y (en) | 2008-02-18 | 2008-02-18 | Powder feed roller and toner cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201156165Y true CN201156165Y (en) | 2008-11-26 |
Family
ID=40103945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200442134U Expired - Fee Related CN201156165Y (en) | 2008-02-18 | 2008-02-18 | Powder feed roller and toner cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201156165Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402158A (en) * | 2010-09-15 | 2012-04-04 | 夏普株式会社 | Developing device and image forming apparatus |
| CN107390489A (en) * | 2017-07-31 | 2017-11-24 | 珠海巨多普打印耗材有限公司 | A kind of cartridge |
| CN110320775A (en) * | 2018-03-29 | 2019-10-11 | 京瓷办公信息系统株式会社 | Toner container |
-
2008
- 2008-02-18 CN CNU2008200442134U patent/CN201156165Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402158A (en) * | 2010-09-15 | 2012-04-04 | 夏普株式会社 | Developing device and image forming apparatus |
| US8488999B2 (en) | 2010-09-15 | 2013-07-16 | Sharp Kabushiki Kaisha | Developing device and image forming apparatus having a developer conveying section with a spiral blade |
| CN102402158B (en) * | 2010-09-15 | 2014-11-12 | 夏普株式会社 | Developing device and image forming apparatus |
| CN107390489A (en) * | 2017-07-31 | 2017-11-24 | 珠海巨多普打印耗材有限公司 | A kind of cartridge |
| CN110320775A (en) * | 2018-03-29 | 2019-10-11 | 京瓷办公信息系统株式会社 | Toner container |
| CN110320775B (en) * | 2018-03-29 | 2022-02-22 | 京瓷办公信息系统株式会社 | Toner container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20170218 |