KR950011877B1 - Apparatus for driving developing device of an electrophotographic recording apparatus - Google Patents
Apparatus for driving developing device of an electrophotographic recording apparatus Download PDFInfo
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- KR950011877B1 KR950011877B1 KR1019930005326A KR930005326A KR950011877B1 KR 950011877 B1 KR950011877 B1 KR 950011877B1 KR 1019930005326 A KR1019930005326 A KR 1019930005326A KR 930005326 A KR930005326 A KR 930005326A KR 950011877 B1 KR950011877 B1 KR 950011877B1
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- gear
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- edge data
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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
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- Electrophotography Configuration And Component (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Abstract
내용 없음.No content.
Description
제1도는 종래 현상기의 개략 구성도.1 is a schematic configuration diagram of a conventional developing device.
제2도는 현상기의 현상롤러 단면도.2 is a cross-sectional view of a developing roller of a developing machine.
제3도는 종래의 현상기 구동장치 구성도.3 is a block diagram of a conventional developer driving device.
제4도는 본 발명의 현상기 구동장치 구성도.4 is a block diagram of a developing device driving apparatus of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 현상기하우징 2 : 본체프레임1: developer housing 2: main frame
3 : 현상모타 4 : 풀리3: developing motor 4: pulley
5 : 풀리기어 6 : 아이들기어5: pulley gear 6: children gear
7 : 동력전달기어 8 : 구동기어7: power transmission gear 8: drive gear
9 : 슬리브기어 10 : 감속기어9: Sleeve Gear 10: Reduction Gear
11 : 제1감속기어 12 : 에지테이터기어11: first reduction gear 12: edge data gear
13 : 상부프레임13: upper frame
본 발명은 전자사진 기록장치의 현상기 구동장치에 관한것으로서, 특히, 현상기내에 설치된 현상롤러인 슬리브와 마그네트롤러를 각각 구동시키고 에지테이터를 구동시키는 구동장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a developing device driving device for an electrophotographic recording device, and more particularly, to a driving device for driving a sleeve and a magnet controller, which are developing rollers installed in a developing device, and for driving edge data.
현상기는 제1도에 도시한 바와 같이 종래의 현상기 개략 구성도로서, 현상기하우징(21)내에 토너를 교반하는 에지테이터(12a)를 설치하고, 감광드럼(25)표면에 토너를 현상하기 위해 회전되는 마그네트롤러(8a) 외부에 슬리브(9a)가 회전 되게 설치된 현상롤러(30)를 구동되게 설치하고, 현상기하우징(21) 외측에 브라켓(22)을 취부하여 브라켓(22)에 현상모타(23)가 조립된 것이다.The developing device is a schematic configuration diagram of a conventional developing device as shown in FIG. 1, and includes an edge datar 12a for stirring the toner in the developing housing 21, and rotates to develop the toner on the surface of the photosensitive drum 25. FIG. The developing roller 30 is installed to be driven so that the sleeve 9a is rotated on the outside of the magnet controller 8a, and the bracket 22 is mounted on the outside of the developer housing 21 to develop the developing motor 23 on the bracket 22. ) Is assembled.
상기와 같은 현상롤러(30)는 제2도와 같이 중앙 샤프트(8b)에 마그네트롤러(8a)가 설치된 좌우측에 베어링(31)을 끼워고 우측의 베어링(31)에 플렌지(9b)를 조립하고, 마그네트롤러(8a) 외측에 원통의 슬리브(9a)가 회전되게 우측 플렌지(9b)에 슬리브(9a) 우측을 고정시키고, 좌측의 베어링(31)에 플렌지(9b)를 조립하여 슬리브(9a) 좌,우측이 플렌지(9b)에 고정되게 설치하여 샤프트(8b)에 설치된 마그네트롤러(8a)와 플렌지(9b)에 조립된 슬리브(9a)가 각각 회전될 수 있도록 조립된 것이다.As the developing roller 30 as described above, as shown in FIG. 2, the bearing 31 is fitted to the left and right sides in which the magnet controller 8a is installed on the central shaft 8b, and the flange 9b is assembled to the bearing 31 on the right side. The right side of the sleeve 9a is fixed to the right flange 9b so that the cylindrical sleeve 9a is rotated outside the magnetoroller 8a, and the flange 9b is assembled to the bearing 31 on the left side. The right side is fixedly installed on the flange 9b so that the magnet controller 8a installed on the shaft 8b and the sleeve 9a assembled to the flange 9b are rotatable.
상기와 같이 구성된 현상기는 제3도의 구동장치와 같이 현상기하우징(21) 외측에 설치된 브라켓에 조립된 현상모타(23)의 풀리(24)와 마그네트롤러(8a)의 샤프트(8b)에 설치된 구동기어(28)에 타이밍벨트(27)를 연결하고, 상기 구동기어(28)와 슬리브(9a)의 플렌지(9b)에 설치된 슬리브기어(29) 사이에 아이들기어(26)와 감속기어(33)를 맞물리게 설치하고, 에지테이터(12a)에 설치된 에지테이터기어(32)와 슬리브기어(29) 사이에 구동력을 감속시킬 수 있는 제1,2감속기어(34)(35)를 설치하여 상기 현상모타(23)의 동력이 마그네트롤러(8a)와 슬리브(9a)와 에지테이터(12a)를 동시에 구동시킬 수 있도록 설치된 것이다. 또한 감광드럼(25)은 별도의 구동모타에 의해 회전시키는 것이다.The developing device configured as described above is a drive gear installed in the pulley 24 of the developing motor 23 and the shaft 8b of the magnet controller 8a assembled to the bracket installed outside the developing housing 21, as in the driving device of FIG. The timing belt 27 is connected to the 28, and the idle gear 26 and the reduction gear 33 are connected between the drive gear 28 and the sleeve gear 29 provided on the flange 9b of the sleeve 9a. The first and second reduction gears 34 and 35, which are installed in engagement with each other and may reduce driving force between the edge data gear 32 and the sleeve gear 29 provided in the edge data 12a, are installed. The power of 23 is installed so as to drive the magnetic controller 8a, the sleeve 9a, and the edge data 12a at the same time. In addition, the photosensitive drum 25 is rotated by a separate driving motor.
이와 같은 현상기 구동장치는 현상기하우징(21)의 외측 브라켓(22)에 설치된 현상모타(23)에 의해 풀리(24)가 정회전함에 따라 타이밍벨트(27)로 연결된 현상룰러(30)인 마크네트룰러(8a)의 구동기어(28)가 정회전함에 따라 고속으로 마그네트롤러(8a)를 정회전시키게 되고, 구동기어(28)의 동력이 아이들기어(26)를 거처 감속기어(33)를 통하여 슬리브기어(29)가 역회전되므로 슬리브(9a)가 역회전하며 마찰 대전된 토너를 감광드럼(25)표면에 현상하게 되고, 상기 슬리브기어(29)와 맞물린 제1감속기어(34)와 제2감속기어(35)를 통하여 에지테이터기어(32)를 정회전시키게 되므로 에지테이터(12a)가 정회전하여 토너를 현상롤러(30)인 슬리브(9a)로 보급하게 되는 것이다.Such a developing device driving apparatus is a mark net which is a developing ruler 30 connected to the timing belt 27 as the pulley 24 rotates forward by the developing motor 23 installed on the outer bracket 22 of the developing housing 21. As the drive gear 28 of the ruler 8a rotates forward, the magnetoroller 8a rotates forward at high speed, and the power of the drive gear 28 passes through the idle gear 26 through the reduction gear 33. Since the sleeve gear 29 is reversely rotated, the sleeve 9a is reversely rotated so that the triboelectricly charged toner is developed on the surface of the photosensitive drum 25, and the first reduction gear 34 meshed with the sleeve gear 29 is formed. Since the edge data gear 32 is rotated forward through the two reduction gears 35, the edge data gear 12a is rotated forward to supply the toner to the sleeve 9a which is the developing roller 30.
그러나 이러한 종래의 현상기 구동장치는 고속회전을 하는 마그네트롤러와 상대적으로 저속회전을 하는 슬리브와 에지테이터를 회전시키기 위하여 현상모타를 현상기하우징에 직접 부착시키므로 모타의 진동과 소음 및 열이 슬리브와 감광드럼에 영향을 미쳐 인자의 품질을 저하시키며, 열에 의해 토너가 고착되는 경우가 발생된다. 또한 현상기가 소모품으로서 모타가 취부되어 있어 가격이 비싸고 부피가 커지는 문제점이 있었다.However, such a conventional developer driving device directly attaches a developing motor to the developer housing in order to rotate a high speed rotating magnet controller and a relatively low speed rotating sleeve and edge data so that the vibration, noise, and heat of the motor are reduced to the sleeve and the photosensitive drum. This affects the quality of the print and deteriorates the quality of the print, and the toner is fixed by heat. In addition, since the motor is installed as a consumable as a consumable, there is a problem that the price is high and bulky.
본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 현상기의 현상롤러와 에지테이터를 원활하게 구동시킬 수 있도록 현상기 구동장치를 제공하는데 있다.The present invention has been made to solve the above problems, an object of the present invention is to provide a developer driving device to smoothly drive the development roller and the edge data of the developer.
다른 목적은 현상기하우징에서 현상모타를 분리하여 모타의 소음과 진동 및 열에 의해 슬리브와 감광드럼에 미치는 영향을 방지하여 인자 품질을 향상시킬 수 있도록 제공하는데 있다.Another object is to separate the developing motor from the developer housing and to improve the printing quality by preventing the influence of the noise, vibration and heat of the motor on the sleeve and the photosensitive drum.
또 다른 목적은 소모품인 현상기의 원가를 절감시키고, 부피를 줄일수 있도록 제공하는데 있다.Another object is to reduce the cost of the developer, a consumable, and to provide a volume.
상기와 같은 목적을 달성하기 위한 실시예를 첨부된 도면에 의거 상세히 설명하면 다음과 같다.An embodiment for achieving the above object will be described in detail with reference to the accompanying drawings.
우선 제4도를 참조하여 본 발명의 구성을 설명하면, 현상기하우징(1)에는 감광드럼(25)표면에 토너를 현상하기 위해 회전되는 마그네트롤러(8a) 외부에 슬리브(9a)가 회전되게 설치된 현상롤러(30)와 토너를 교반하는 에지테이터(12a)를 설치하여 상기 현상롤러(30)와 에지테이터(12a)를 회전시키는 동력전달기어(7)를 각각 설치하고, 본체프레임(2)에는 현상모타(3)와 풀리기어(5)와 아이들기어(6)를 설치하여 현상모타(3)의 동력이 현상롤러(30)와 에지테이터(12a)를 동시에 회전시킬 수 있도록 설치된 것이다. 상기 본체프레임(2)에 설치된 현상모타(3)의 풀리(4)와 아이들기어(6)가 맞물린 풀리기어(5)에 타이밍벨트(14)를 연결하고, 현상롤러(30)인 마그네트롤러(8a)의 샤프트에 설치된 구동기어(8)와 현상기하우징(1)에 설치된 동력전달기어(7)가 맞물리게 설치하고, 상기 동력전달기어(7) 하측은 본체프레임(2)의 아이들기어(6)와 맞물리게 하고, 상측에는 감속기어(10)와 맞물리게 하여 감속기어(10) 일측은 슬리브(9a)의 플랜지에 설치된 슬리브기어(9)와 타측은 제1감속기어(11)와 맞물리게 하고, 에지테이터(12a)에 설치된 에지테이터기어(12)와 제1감속기어(11)가 맞물리게 설치하여 상기 본체프레임(2)에 설치된 현상모타(3)의 동력이 마그네트롤러(8a)와 슬리브(9a)와 에지테이터(12a)를 동시에 구동시킬 수 있도록 설치된 것이다. 상기 마그네트롤러(8a)와 슬리브(9a)와 에지테이터(12a)는 종래의 설명과 동일하며 같은 부호로 설명하고자 한다.First, the configuration of the present invention will be described with reference to FIG. 4. In the developer housing 1, the sleeve 9a is installed to be rotated outside the magnet controller 8a which is rotated to develop toner on the surface of the photosensitive drum 25. FIG. The developing roller 30 and the edge data 12a for stirring the toner are provided to install the power transmission gears 7 for rotating the developing roller 30 and the edge data 12a, respectively. The developing motor 3, the pulley gear 5, and the idle gear 6 are installed so that the power of the developing motor 3 can rotate the developing roller 30 and the edge data 12a at the same time. The timing belt 14 is connected to the pulley gear 5 in which the pulley 4 and the idle gear 6 of the developing motor 3 installed in the main body frame 2 are engaged, and the magnet roller which is the developing roller 30 ( The drive gear 8 installed on the shaft of 8a and the power transmission gear 7 installed on the developing housing 1 are engaged with each other, and the lower side of the power transmission gear 7 is the idle gear 6 of the main frame 2. And the gear reducer 10 on the upper side thereof so that one side of the reducer gear 10 engages with the sleeve gear 9 provided on the flange of the sleeve 9a and the other side engages with the first reducer gear 11 and the edge data. The edge data gear 12 and the first reduction gear 11 installed in the 12a are engaged with each other so that the power of the developing motor 3 installed in the main frame 2 is driven by the magneto-controller 8a and the sleeve 9a. It is installed so as to drive the edge data 12a at the same time. The magnetic controller 8a, the sleeve 9a, and the edge data 12a are the same as the conventional description and will be described with the same reference numerals.
또한 드럼(25)는 종래방식과 동일한 방식으로 별도의 구동모타에 의해 구동된다. 부호(20)은 드럼을 구동하는 기어이다.In addition, the drum 25 is driven by a separate drive motor in the same manner as the conventional method. Reference numeral 20 is a gear for driving the drum.
이와 같이 구성된 본 발명의 작용과 효과는 다음과 같다. 본 발명의 현상기 구동장치는 제4도와 같이 본체프레임(2)에 별도로 설치된 현상모타(3)에 의해 풀리(4)가 역회전함에 따라 타이밍벨트(14)로 연결된 풀리기어(5)가 역회전하게 되고, 풀리기어(5)와 맞물린 아이들기어(6)가 정회전함에 따라 이에 맞물린 현상기하우징(1)에 설치된 동력전달기어(7)가 역회전하며 현상룰러(30)인 마그네트롤러(8a)의 구동기어(8)를 정회전시키므로 고속으로 마그네트롤러(8a)를정회전시키게 된다. 따라서 상기 동력전달기어(7)의 상측에 맞물린 감속기어(10)가 정회전하여 이와 일측에 맞물린 슬리브기어(9)가 역회전되므로 슬리브(9a)가 역회전하며 마찰 대전된 토너를 감광드럼(25)표면에 현상하게 되고, 상기 감속기어(10)의 타측에 맞물린 제1감속기어(11)가 역회전 함에 따라 제1감속기어(11)를 통하여 에지테이터기어(12)를 정회전시키게 되므로 에지테이터(12a)가 정회전하여 토너를 현상롤러(30)인 슬리브(9a)로 보급하게 되는 것이다.The operation and effects of the present invention configured as described above are as follows. In the developing device driving apparatus of the present invention, as the pulley 4 is reversely rotated by the developing motor 3 separately installed in the main frame 2, the pulley gear 5 connected to the timing belt 14 is reversely rotated. As the idle gear 6 engaged with the pulley gear 5 rotates forward, the power transmission gear 7 installed in the developer housing 1 engaged with the pulley gear 5 reversely rotates, and the magnetic controller 8a which is the developing ruler 30. Since the drive gear 8 of the motor is rotated forward, the magnet controller 8a is rotated forward at a high speed. Therefore, since the reduction gear 10 meshed with the upper side of the power transmission gear 7 rotates forward and the sleeve gear 9 meshed with the one side rotates in reverse, the sleeve 9a reverses and the friction-charged toner is exposed to the photosensitive drum 25 As the first reduction gear 11 engaged with the other side of the reduction gear 10 reversely rotates, the edge data gear 12 is rotated forward through the first reduction gear 11. The data 12a is rotated forward to supply the toner to the sleeve 9a which is the developing roller 30.
상기와 같은 현상기 구동장치는 현상기하우징(1)이 본체 상부프레임(13)에 설치되고, 현상모타(3)와 풀리기어(5)와 아이들기어(6)는 본체프레임(2)에 설치되어 있어 상부프레임(13)을 열게 되면 현상기하우징(1)에 설치된 동력전달기어(7)와 본체프레임(2)에 설치된 아이들기어(6)가 맞물리지 않고 서로 분리되고, 상부프레임(13)을 닫게되면 본체프레임(2)의 아이들기어(6)에 현상기하우징(1)의 동력전달기어(7)가 서로 맞물리게 되어 현상모타(3)의 동력이 아이들기어(6)를 통하여 동력전달기어(7)를 회전시키게 되므로 현상기하우징(1)내의 마그네트롤러(8a)와 슬리브(9a)와 에지테이터(12a)를 동시에 회전시키게 되는 것이다. 상기와 같은 본 발명에 의하면 현상기의 변상롤러와 에지테이터를 구동시킬 수 있도록 현상기하우징에서 현상모타를 분리하여 본체프레임에 설치하므로서, 현상모타의 소음과 진동 및 열에 의해 슬리브와 감광드럼에 미치는 영향을 방지하여 인자 품질을 향상시킬 수 있으며, 소모품인 현상기의 원가를 절감시키고, 부피를 줄일수 있는 잇점이 있다.In the above-described developing device driving apparatus, the developing unit housing 1 is installed on the main body upper frame 13, and the developing motor 3, the pulley gear 5, and the idle gear 6 are installed on the main body frame 2. When the upper frame 13 is opened, the power transmission gear 7 installed in the developer housing 1 and the idle gear 6 installed in the main body frame 2 are separated from each other without being engaged, and when the upper frame 13 is closed, the main body The power transmission gears 7 of the developer housing 1 are engaged with the idle gears 6 of the frame 2 so that the power of the developing motor 3 rotates the power transmission gears 7 through the idle gears 6. Therefore, the magnet controller 8a, the sleeve 9a and the edge data 12a in the developer housing 1 are rotated at the same time. According to the present invention as described above by separating the developing motor from the developer housing so as to drive the revolving roller and the edge data of the developing machine, and installed in the main body frame, the impact on the sleeve and the photosensitive drum by the noise, vibration and heat of the developing motor The quality of printing can be improved, and the cost of the developer as a consumable can be reduced, and the volume can be reduced.
또한 설계에 따라서 현상모타(3)을 이용하여 현상기의 부하요소 슬리브(9a), 마그네트롤러(8a), 에지테이터(12a) 전부를 구동할 수도 있고, 부분적으로 구동할 수도 있다.Further, depending on the design, the developing motor 3 may drive all of the load element sleeves 9a, the magnet controller 8a, and the edge data 12a of the developer, or may partially drive them.
그러나 본 발명의 큰 차이점은 현상기에 장착된 현상모타(3)을 본체에 장착한 점이 큰 차이점이다.However, a major difference of the present invention is that the developing motor 3 mounted on the developing unit is mounted on the main body.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930005326A KR950011877B1 (en) | 1993-03-31 | 1993-03-31 | Apparatus for driving developing device of an electrophotographic recording apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930005326A KR950011877B1 (en) | 1993-03-31 | 1993-03-31 | Apparatus for driving developing device of an electrophotographic recording apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR940022211A KR940022211A (en) | 1994-10-20 |
| KR950011877B1 true KR950011877B1 (en) | 1995-10-11 |
Family
ID=19353240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019930005326A Expired - Fee Related KR950011877B1 (en) | 1993-03-31 | 1993-03-31 | Apparatus for driving developing device of an electrophotographic recording apparatus |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR950011877B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7283769B2 (en) | 2004-02-03 | 2007-10-16 | Samsung Electronics Co., Ltd. | Detachable developing apparatus and driving apparatus of the same |
-
1993
- 1993-03-31 KR KR1019930005326A patent/KR950011877B1/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7283769B2 (en) | 2004-02-03 | 2007-10-16 | Samsung Electronics Co., Ltd. | Detachable developing apparatus and driving apparatus of the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR940022211A (en) | 1994-10-20 |
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