KR980003924A - Toner Supply Unit in Developer - Google Patents

Toner Supply Unit in Developer Download PDF

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Publication number
KR980003924A
KR980003924A KR1019960020052A KR19960020052A KR980003924A KR 980003924 A KR980003924 A KR 980003924A KR 1019960020052 A KR1019960020052 A KR 1019960020052A KR 19960020052 A KR19960020052 A KR 19960020052A KR 980003924 A KR980003924 A KR 980003924A
Authority
KR
South Korea
Prior art keywords
toner
developing
roller
supply
developing roller
Prior art date
Application number
KR1019960020052A
Other languages
Korean (ko)
Other versions
KR0174680B1 (en
Inventor
유용백
이창수
Original Assignee
김광호
삼성전자 주식회사
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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019960020052A priority Critical patent/KR0174680B1/en
Publication of KR980003924A publication Critical patent/KR980003924A/en
Application granted granted Critical
Publication of KR0174680B1 publication Critical patent/KR0174680B1/en

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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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0808—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer supplying means, e.g. structure of developer supply roller
    • 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
    • G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
    • G03G15/0812—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer regulating means, e.g. structure of doctor blade
    • 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
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • 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
    • G03G15/0889—Arrangements for conveying and conditioning developer in the developing unit, e.g. agitating, removing impurities or humidity for agitation or stirring

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION

본 발명은 레이저 빔 프린터, 복사기 일반용지 팩시밀리등의 전자사진 프로세서의 화상 형성 장치에 관한 것으로서, 특히 화상 형성을 위한 토너의 흐름을 원활하게 하여 선명하고 깨끗한 화상을 얻을 수 있도록 한 현상기 내의 토너 공급장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image forming apparatus of an electrophotographic processor, such as a laser beam printer, a copier, or a general paper facsimile. It is about.

2. 발명이 해결하려고 하는 기술적 과제2. The technical problem to be solved by the invention

본 발명은 현상기 내부의 현상롤러와 공급롤러 상부에 특정한 돌출부위를 갖는 보조공급롤러를 설치하여 토너속에 잔류하는 지분을 머물게하고 동시에 굳어지는 토너를 연속적으로 분쇄시켜 분쇄된 토너가 현상롤러로 공급되어 화상농도를 균일하게 할 수 있도록 한 현상기 내의 토너 공급장치를 제공함에 있다.The present invention installs a developing roller and a secondary feed roller having a specific protrusion on the feed roller in the upper part of the developing machine so as to retain the stake remaining in the toner, and simultaneously pulverizes the toner which is solidified, and the pulverized toner is fed to the developing roller. The present invention provides a toner supply apparatus in a developing device capable of making image density uniform.

3. 발명의 해결방법의 요지3. Summary of Solution to Invention

본 발명은 화상형성장치의 현상기는 상부에는 토너를 저장하기 위한 토너 적재부와, 상기 토너 적재부는 일측의 공급롤러로 토너를 이송시키는 교반기와, 상기 현상(51) 내부의 하부프레임에는 상기 교반된 토너를 현상롤러 측으로 공급하는 공급롤러가 설치되며, 상기 공급롤러의 일측은 상기 감광드럼 표면에 형성된 정전잠상에 상기 토너를 현상하는 현상롤러가 설치되며, 상기 현상롤러와 공급롤러의 상부 사이에 토너속에 잔류하는 지분을 머물게하고 동시에 굳어지는 토너를 연속적으로 분쇄시키는 보조공급롤러를 설치하며, 상기 현상롤러의 상단부에는 토너를 일정한 높이로 균일하게 규제하는 블레이드가 설치된 것을 특징으로 한다.The developing device of the image forming apparatus includes a toner stacking unit for storing toner in an upper portion, an agitator for transferring the toner to a supply roller on one side, and a stirring unit in a lower frame inside the developing unit 51. A supply roller for supplying toner to the developing roller side is installed, and one side of the supply roller is provided with a developing roller for developing the toner on an electrostatic latent image formed on the surface of the photosensitive drum, and a toner between the developing roller and an upper portion of the supply roller. An auxiliary supply roller is installed to keep the remaining stake in the container and simultaneously toner the solidified toner. A blade for uniformly regulating the toner to a certain height is installed at an upper end of the developing roller.

4. 발명의 중요한 용도4. Important uses of the invention

본 발명은 전자사진 현상방식을 이용한 화상형성장치의 현상기 내의 토너 공급장치.The toner supply apparatus in the developing device of the image forming apparatus using the electrophotographic developing method.

Description

현상기 내의 토너 공급장치Toner Supply Unit in Developer

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명의 현상기 토너 공급장치 구성도이다.2 is a block diagram of a developer toner supply device of the present invention.

제3도는 본 발명의 보조공급롤러 구성도이다.3 is a configuration diagram of the auxiliary feed roller of the present invention.

Claims (4)

전자사진 현상방식을 이용한 화상형성장치에 있어서, 현상기(21)는 토너를 저장하기 위한 토너적재부(22)을 가지며, 상기 토너적재부(22) 일측 하단은 토너 공급구(27)를 이루며, 상기 토너적재부(22)에는 토너(24)를 교반하여 교반기(25)를 회전가능하게 설치하며, 상기 현상기(21)의 하부프레임(23)에는 상기 교반된 토너(24)를 현상롤러(29) 측으로 공급하는 공급롤러(28)가 설치되며, 상기 공급롤러(28)의 일측은 감광드럼(30) 표면에 형성된 정전잠상에 상기 토너(24)를 현상하는 현상롤러(29)가 설치되며, 상기 현상롤러(29)의 상단부에는 토너(24)를 일정한 높이로 균일하게 규제하는 블레이드(31)가 설치되고, 상기 현상롤러(29)와 공급롤러(28) 상부 사이에 토너(24)속에 잔류하는 지분을 머물게하고 동시에 굳어지는 토너를 연속적으로 분쇄시키는 보조공급롤러(26)를 설치한 것을 특징으로 하는 현상기 내의 토너 공급장치.In the image forming apparatus using the electrophotographic developing method, the developing unit 21 has a toner loading unit 22 for storing toner, and a lower end of one side of the toner loading unit 22 forms a toner supply port 27, The toner loading unit 22 is rotatably installed with the agitator 25 by stirring the toner 24, and the stirred toner 24 is placed on the lower frame 23 of the developing unit 21 with a developing roller 29 Supply roller 28 for supplying to the side) is installed, one side of the supply roller 28 is provided with a developing roller 29 for developing the toner 24 on the electrostatic latent image formed on the surface of the photosensitive drum 30, The upper end of the developing roller 29 is provided with a blade 31 for uniformly regulating the toner 24 to a certain height, remaining in the toner 24 between the developing roller 29 and the top of the supply roller 28. The auxiliary feed roller 26 for continuously crushing the toner that solidifies A toner supply apparatus in a developing unit, characterized in that the installation. 제1항에 있어서, 상기 보조공급롤러(26)는 표면에 다수의 돌출부를 형성하여 토너(24)속의 지분등 이물질을 걸러줄수 있도록 설치된 것을 특징으로 하는 현상기 내의 토너 공급장치.The toner supply apparatus according to claim 1, wherein the auxiliary feed rollers (26) are installed to filter out foreign substances such as shares in the toner (24) by forming a plurality of protrusions on the surface thereof. 제1항에 있어서, 상기 보조공급롤러(26)는 환봉(26a)에 고무부재(26b)가 감싸여지며, 상기 고무부재(26b)에는 지분등 이물질을 걸러줄수 있도록 다수의 돌출부(26c)가 형성된 것을 특징으로 하는 현상기 내의 토너 공급장치.According to claim 1, wherein the auxiliary feed roller 26 is a rubber member (26b) is wrapped in the round bar (26a), the rubber member (26b) has a plurality of projections (26c) to filter foreign matter such as equity A toner supply device in a developer, characterized in that formed. 제3항에 있어서, 상기 보조공급롤러(26)는 회전되는 현상롤러(29)와 공급롤러(28) 상부의 골사이에 올려 놓아 회전할 수 있도록 설치된 것을 특징으로 하는 현상기 내의 토너 공급장치.4. The toner supply apparatus according to claim 3, wherein the auxiliary supply roller (26) is installed to rotate between the developing roller (29) to be rotated and the top of the supply roller (28). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960020052A 1996-06-05 1996-06-05 The toner supply device KR0174680B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960020052A KR0174680B1 (en) 1996-06-05 1996-06-05 The toner supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960020052A KR0174680B1 (en) 1996-06-05 1996-06-05 The toner supply device

Publications (2)

Publication Number Publication Date
KR980003924A true KR980003924A (en) 1998-03-30
KR0174680B1 KR0174680B1 (en) 1999-04-01

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Family Applications (1)

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KR1019960020052A KR0174680B1 (en) 1996-06-05 1996-06-05 The toner supply device

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KR0174680B1 (en) 1999-04-01

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