KR980000932A - Pickup roller position detecting device and method thereof - Google Patents

Pickup roller position detecting device and method thereof Download PDF

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Publication number
KR980000932A
KR980000932A KR1019960025830A KR19960025830A KR980000932A KR 980000932 A KR980000932 A KR 980000932A KR 1019960025830 A KR1019960025830 A KR 1019960025830A KR 19960025830 A KR19960025830 A KR 19960025830A KR 980000932 A KR980000932 A KR 980000932A
Authority
KR
South Korea
Prior art keywords
roller
paper
pick
lever
photosensor
Prior art date
Application number
KR1019960025830A
Other languages
Korean (ko)
Other versions
KR100189157B1 (en
Inventor
이명술
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 KR1019960025830A priority Critical patent/KR100189157B1/en
Publication of KR980000932A publication Critical patent/KR980000932A/en
Application granted granted Critical
Publication of KR100189157B1 publication Critical patent/KR100189157B1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/0009—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets control of the transport of the copy material
    • B41J13/0018—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets control of the transport of the copy material in the sheet input section of automatic paper handling systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/02—Rollers
    • B41J13/03—Rollers driven, e.g. feed rollers separate from platen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section

Landscapes

  • Controlling Sheets Or Webs (AREA)

Abstract

본 발명은 1개의 포토센서를 사용하여 픽업로울러의 위치검출기능과 용지감지기능을 동시에 수행하도록 하여 조립공정의 단순화와 원가절감을 도모하도록 한 프린터의 픽업로울러위치검출장치 및 그 방법에 관한 것으로, 베이스프레임(1)에 설치되어 용지를 탄력있게 밀어서 자동으로 한상씩 급지되도록 하는 푸쉬플레이트 (2)와, 푸쉬플레이트(2)에 밀착되게 굴대설치되어 별도의 구동수단에 의하여 회동하는 반달형 픽업로울러(3)와, 픽업로울러(3)의 축(3a)에 일체로 고정되는 픽업레버(4), 중간부를 굴대설치하여 회동하는 픽업레버(4)에 의하여 시이소작동되는 보조레버(5)와, 픽업로울러(3)의 위치검출기능과 용지감지기능을 동시에 수행하도록 하는 포토센서(6)와, 중간부를 굴대설치한 뒤 일측에 돌출된 감지돌기(7a)가 포토센서(6)로부터 이탈되어 픽업로울러(3)의 위치검출 및 용지유무를 감지하도록 보조레버(5)에 걸리는 위치 검출돌편(7b)과 이동되는 용지에 걸리는 용지감지돌편(7c)을 각각 일체로 돌출형성하는 용지감지레버(7)와, 용지감지레버(7)를 통과한 용지의 이송을 안내 하는 용지가이드(8)와, 용지가이드(8)의 안내를 받아 이동되는 용지를 연동하여 계속적으로 이동시키도록 하는 이송로울러(9) 및 아이들로울러(10)로 프린터의 픽업로울러위치검출장치를 구성한다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pick-up roller position detection apparatus and a method for a printer in which a position detection function and a paper detection function of a pickup roller are simultaneously performed using a single photo sensor, (2) provided on the base frame (1) for automatically feeding paper one by one while pushing the paper in a resilient manner, a semicylindrical pick-up roller (2) mounted on the push plate (2) A pickup lever 4 integrally fixed to the shaft 3a of the pick-up roller 3, an auxiliary lever 5 which is seesely operated by a pick-up lever 4 which rotates with a mandrel attached thereto, A photosensor 6 for simultaneously performing a position detecting function and a paper sensing function of the roller 3 and a sensing projection 7a projecting on one side after the middle portion is provided with a mandrel is detached from the photosensor 6, A paper sensing lever (7b) integrally projecting a position detection projection (7b) engaged with the auxiliary lever (5) to detect the position of the up roller (3) A paper guide 8 for guiding the conveyance of the paper through the paper sensing lever 7 and a conveying roller 8 for intermittently moving the paper to be moved under the guidance of the paper guide 8 9 and the idler roller 10 constitute a pick-up roller position detecting device of the printer.

Description

프린터의 픽업로울러위치검출장치 및 그 방법Pickup roller position detecting device and method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명 장치의 개략적인 구성을 나타낸 측면도.FIG. 1 is a side view showing a schematic configuration of an inventive device. FIG.

제2도는 제1도의 평면도.Figure 2 is a plan view of Figure 1;

제3도는 본 발명의 플로우챠트도.FIG. 3 is a flowchart of the present invention. FIG.

Claims (2)

베이스프레임에 설치되어 용지를 탄력있게 밀어서 자동으로 한장씩 급지되도록 하는 푸쉬플레이트와, 푸쉬플레이트에 밀착되게 굴대설치되어 별도의 구동수단에 의하여 회동하는 반달형 픽업로울러와, 픽업로울러의 축에 일체로 고정되는 픽업레버와, 중간부를 굴대설치하여 회동하는 픽업레버에 의하여 시이소작동되는 보조레버와, 픽업로울러의 위치검출기능과 용지감지기능을 동시에 수행하도록 하는 포토센서와, 중간부를 굴대설치한 뒤 일측에 돌출된 감지돌기가 포토센서로부터 이탈되어 픽업로울러의 위치검출 및 용지유무를 감지하도록 보조레버에 걸리는 위치 검출돌편과 이동되는 용지에 걸리는 용지감지돌편을 각각 일체로 돌출형성하는 용지감지레버와, 용지감지레버를 통과한 용지의 이송을 안내하는 용지가이드와, 용지가이드의 안내를 받아 이동되는 용지를 연동하여 계속적으로 이동시키도록 하는 이송로울러 및 아이들로울러로 구성한 것을 특징으로 하는 프린터의 픽업로울러위치검출장치.Up roller which is mounted on a base frame and pushes the paper in a resilient manner and automatically feeds the paper one by one; a semicylindrical pick-up roller which is mounted on the push plate and rotates by a separate driving means; An auxiliary lever which is operated by a pick-up lever which is rotated by a pick-up lever which rotates by installing a middle portion in a middle portion thereof, a photosensor which simultaneously performs a position detecting function and a paper detecting function of the pick-up roller, A paper detection lever which integrally protrudes from the photo sensor to detect the position of the pick-up roller and to detect the presence or absence of the paper, A paper guide for guiding the conveyance of the paper through the lever, Interlocking the paper to be moved to take my feed roller and the pickup roller position detecting device of the printer, it characterized in that the idle roller is configured to so as to move continuously. 전원의 온상태에서 프린팅동작시 초기위치상태인 픽업로울러에 의하여 포토센서가 온인지의 여부를 판단하는 단계와, 회전된 픽업로울러의 위치를 검출한 뒤 구동을 단속하는 동시에 이송로울러를 정방향으로 설정된 회전수로 회동시키면서 용지가 배출되는 지를 확인하는 단계와, 용지의 배출에 의하여 이동하면서 포토센서가 오프되었는지의 여부를 판단하는 단계와, 포토센서의 온시 픽업로울러를 역방향으로 회전시키면서 센서를 오프시키는 단계와, 포토센서의 오프시 픽업로울러를 정방향으로 회전시켜서 포토센서를 온시키는 단계와, 픽업로울러를 역방향으로 회동시켜서 픽업로울러를 초기위치에 원상복귀시키는 단계로 된 것을 특징으로 하는 프린터의 픽업로울러위치검출방법.Determining whether the photosensor is turned on by a pick-up roller that is in an initial position state during a printing operation in an on state of a power source, detecting a position of the rotated pick-up roller and then interrupting driving and simultaneously setting the feed roller in a forward Determining whether the sheet is discharged while rotating the sheet on the basis of the number of revolutions, determining whether the photosensor is off while moving by discharging the sheet, turning off the sensor while rotating the on-state pickup roller of the photosensor in the reverse direction And a step of rotating the pick-up roller in the forward direction to turn on the photosensor by rotating the pick-up roller in the forward direction, and rotating the pick-up roller in the reverse direction to return the pickup roller to the initial position in the original state. Position detection method. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960025830A 1996-06-29 1996-06-29 Method and device for sensing position of pick-up roller for a printer KR100189157B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960025830A KR100189157B1 (en) 1996-06-29 1996-06-29 Method and device for sensing position of pick-up roller for a printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960025830A KR100189157B1 (en) 1996-06-29 1996-06-29 Method and device for sensing position of pick-up roller for a printer

Publications (2)

Publication Number Publication Date
KR980000932A true KR980000932A (en) 1998-03-30
KR100189157B1 KR100189157B1 (en) 1999-06-01

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KR1019960025830A KR100189157B1 (en) 1996-06-29 1996-06-29 Method and device for sensing position of pick-up roller for a printer

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