KR100338741B1 - Sheet feeding apparatus for printing device - Google Patents
Sheet feeding apparatus for printing device Download PDFInfo
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- KR100338741B1 KR100338741B1 KR1019980044577A KR19980044577A KR100338741B1 KR 100338741 B1 KR100338741 B1 KR 100338741B1 KR 1019980044577 A KR1019980044577 A KR 1019980044577A KR 19980044577 A KR19980044577 A KR 19980044577A KR 100338741 B1 KR100338741 B1 KR 100338741B1
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- South Korea
- Prior art keywords
- paper
- roller
- transfer roller
- printing
- paper feed
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Classifications
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- 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
- B41J11/0015—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 for treating before, during or after printing or for uniform coating or laminating the copy material before or after printing
- B41J11/002—Curing or drying the ink on the copy materials, e.g. by heating or irradiating
- B41J11/0021—Curing or drying the ink on the copy materials, e.g. by heating or irradiating using irradiation
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- 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
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- 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
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- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/44—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source per colour, e.g. lighting beams or shutter arrangements
- B41J2/442—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source per colour, e.g. lighting beams or shutter arrangements using lasers
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
카세트로부터 용지를 인출하여 인쇄유니트에 마련된 전사롤러 및 정착롤러 사이로 진입시키는 인쇄기기의 급지장치에 있어서, 용지가 진입되는 전사롤러 및 정착롤러 사이의 입측에 서로 접촉회전 가능하게 마련되며, 카세트에서 인출된 용지를 통과시켜 그 전사롤러 및 정착롤러 사이로 공급하는 한 쌍의 용지공급롤러와; 용지공급롤러를 가열하여 그 사이로 통과하는 용지를 건조시키기 위한 용지건조수단;을 포함하는 것을 특징으로 하는 인쇄기기의 급지장치가 개시된다.A paper feeder of a printing apparatus which draws paper from a cassette and enters between a transfer roller and a fixing roller provided in a printing unit, wherein the sheet is provided so as to be rotatable in contact with each other at the entrance between the transfer roller and the fixing roller into which the paper is inserted. A pair of paper feed rollers passing through the sheet of paper and feeding between the transfer roller and the fixing roller; Disclosed is a paper feeding device for a printing machine, comprising: paper drying means for heating a paper feed roller to dry paper passing therebetween.
Description
본 발명은 인쇄기기의 급지장치에 관한 것으로, 상세하게는 용지에 포함된 습기를 건조시키면서 급지할 수 있도록 구조 개선된 인쇄기기의 급지장치에 관한 것이다.The present invention relates to a paper feeding device of a printing machine, and more particularly, to a paper feeding device of a printing apparatus having a structure improved so as to feed while drying the moisture contained in the paper.
종래 레이저 프린터와 같은 인쇄기기에는, 그 내부로 용지를 순차 공급하면서 인쇄공정을 수행하기 위한 급지장치로서, 도 1에 도시된 바와 같이, 복수매의 용지(P)가 수납되는 카세트(10)와, 상기 카세트(10)로부터 공급되는 용지(P)를 소정의 인쇄유니트(20) 내로 이송시키기 위한 복수의 용지공급롤러(12)를 구비한다. 이러한 구성에 있어서, 인쇄작업을 수행할 때에는 용지인출롤러(11)에 의해 카세트(10) 내에서 공급된 용지(P)는 소정의 이송경로를 거친 후, 상기 용지공급롤러(12)에 의해 상기 인쇄유니트(20) 내로 공급된다. 이와 같이 공급된 용지(P)는 전사롤러(21)와 정착롤러(22) 사이를 통과하게 되고, 이 과정에서 감광벨트(23)로부터 상기 전사롤러(21)로 전사된 화상이 상기 용지(P)로 옮겨지게 된다. 그리고, 화상을 옮겨받은 용지(P)는 배지롤러(16)에 의해 인쇄유니트(20) 외부로 빠져나오게 된다. 여기서, 상기 정착롤러(22)는 전사롤러(21)의 화상이 용지(P)로 정착되도록, 용지(P)를 전사롤러(21) 측으로 가압하게 된다. 도 1에서, 도면부호 14는 상기 용지(P)의 이송경로상에 마련되어 용지(P)의 이송방향을 가이드하기 위한 가이드부재를 나타낸 것이다.In a printing apparatus such as a conventional laser printer, a paper feeding device for performing a printing process while sequentially feeding the paper therein, as shown in FIG. 1, a cassette 10 in which a plurality of sheets of paper P are accommodated; And a plurality of paper feed rollers 12 for transferring the paper P supplied from the cassette 10 into a predetermined printing unit 20. In this configuration, when the printing operation is performed, the paper P supplied in the cassette 10 by the paper take-out roller 11 passes through a predetermined feed path, and then the paper feed roller 12 It is supplied into the printing unit 20. The paper P supplied in this way passes between the transfer roller 21 and the fixing roller 22. In this process, the image transferred from the photosensitive belt 23 to the transfer roller 21 is transferred to the paper P. Will be moved to). Then, the paper P, which has received the image, is taken out of the printing unit 20 by the discharge roller 16. Here, the fixing roller 22 presses the paper P toward the transfer roller 21 so that the image of the transfer roller 21 is fixed to the paper P. In Fig. 1, reference numeral 14 denotes a guide member for guiding the conveying direction of the sheet P, provided on the conveying path of the sheet P.
그런데, 인쇄작업를 수행하다 보면, 때로는 습한 환경에 비치되어 있던 용지를 사용하게 되는 경우가 있다. 이와 같은 용지는 습기를 머금고 있을 가능성이 높고, 습기가 포함된 용지를 인쇄작업에 상용하게 되면, 그 습기의 영향 때문에 상기 전사롤러의 화상이 용지로 제대로 정착되지 못하고 번져버리는 등의 문제점이 발생된다.By the way, while performing a print job, sometimes the paper provided in a humid environment may be used. Such a paper is likely to contain moisture, and when a paper containing moisture is used for a printing job, problems such as the image of the transfer roller may not be properly fixed to the paper and spread due to the moisture. do.
본 발명은 상기와 같은 문제점을 해결하기 위해 창안된 것으로, 용지에 포함된 습기를 건조시키면서 급지할 수 있도록 구조 개선된 인쇄기기의 급지장치를 제공하는데 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object thereof is to provide a paper feeder of a printing apparatus having a structural improvement such that paper can be fed while drying the moisture contained in the paper.
도 1은 종래의 급지장치가 채용된 인쇄기기를 개략적으로 도시한 도면.BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 schematically shows a printing apparatus employing a conventional paper feeding device.
도 2는 보 발명의 일 실시예에 따른 급지장치를 보인 도면.2 is a view showing a paper feeding apparatus according to an embodiment of the present invention.
도 3은 본 발명의 다른 실시예에 따른 급지장치를 보인 도면.3 is a view showing a paper feeding apparatus according to another embodiment of the present invention.
< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>
10..카세트 11..인출롤러10. Cassette 11. Drawer roller
14..가이드부재 16..배지롤러14. Guide member 16. Badge roller
20..인쇄유니트 21..전사롤러20. Printing Unit 21. Transfer Roller
22..정착롤러 23..감광벨트22. Fixing roller 23. Photosensitive belt
32,34..제1,제2용지공급롤러32,34. 1st, 2nd paper feed roller
42..히트램프 44..전원42.Heat lamp 44.Power
상기 목적을 달성하기 위한 본 발명에 따른 인쇄기기의 급지장치는, 카세트로부터 용지를 인출하여 인쇄유니트에 마련된 전사롤러 및 정착롤러 사이로 진입시키는 인쇄기기의 급지장치에 있어서, 상기 용지가 진입되는 상기 전사롤러 및 상기 정착롤러 사이의 입측에 서로 접촉회전 가능하게 마련되며, 상기 카세트에서 인출된 용지를 통과시켜 상기 전사롤러 및 상기 정착롤러 사이로 공급하는 한 쌍의 용지공급롤러와; 상기 용지공급롤러를 가열하여 그 사이로 통과하는 용지를 건조시키기 위한 용지건조수단;을 포함하는 것을 특징으로 한다.In the paper feeder of the printing machine according to the present invention for achieving the above object, in the paper feeder of the printing machine to take out the paper from the cassette to enter between the transfer roller and the fixing roller provided in the printing unit, the transfer of the paper is entered A pair of paper feed rollers provided on the mouth side between the roller and the fixing roller so as to be in contact rotation with each other and passing between the transfer roller and the fixing roller through the paper drawn from the cassette; It is characterized in that it comprises a; paper drying means for heating the paper feed roller to dry the paper passing therebetween.
여기서, 상기 용지건조수단은 상기 한 쌍의 용지공급롤러 중 적어도 어느 하나의 내부에 설치되어, 그 용지공급롤러를 가열시키기 위한 히트램프와; 상기 히트램프를 구동시키기 위한 전원;을 포함하는 것이 바람직하다.The paper drying means may include: a heat lamp installed inside at least one of the pair of paper feed rollers to heat the paper feed rollers; It is preferable to include; a power source for driving the heat lamp.
이하 첨부된 도면을 참조하여 본 발명의 바람직한 실시예에 따른 인쇄기기의 급지장치를 자세히 설명하기로 한다.Hereinafter, a paper feeding device of a printing apparatus according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.
도 2는 본 발명의 일 실시예에 따른 급지장치를 나타내고 있으며, 도면에서 상기한 도 1과 동일한 부재에 대해서는 동일한 참조번호를 부여하였다.2 shows a paper feeding apparatus according to an embodiment of the present invention, in which the same reference numerals are assigned to the same members as those in FIG.
도시된 바와 같이, 본 실시예에 따른 급지장치의 특징적 요소는, 상기 인쇄유니트(20)의 전사롤러(21)와 정착롤러(22) 사이로 용지를 공급하기 위한 한 쌍의제1, 제2용지공급롤러(32)(34)와, 상기 용지공급롤러들(32)(34) 중 적어도 어느 하나를 가열하여 그 열에 의해 용지(P)를 건조시키기 위한 용지건조수단이 구비되어 있는 점이다.As shown, a characteristic element of the paper feeding apparatus according to the present embodiment is a pair of first and second paper for feeding paper between the transfer roller 21 and the fixing roller 22 of the printing unit 20. It is provided with paper drying means for heating the feed rollers 32 and 34 and at least one of the paper feed rollers 32 and 34 to dry the paper P by the heat.
상기 한 쌍의 용지공급롤러(32)(34)는 서로 접촉회전 가능하게 설치되어 있으며, 카세트(10)에서 인출되어 소정의 이송경로를 거친 용지(P)를 최종적으로 상기 전사롤러(21)와 정착롤러(22) 사이로 공급하기 위해 그 입측에 마련된다.The pair of paper feed rollers 32 and 34 are installed to be rotatable in contact with each other, and finally, the transfer roller 21 and the paper P drawn out from the cassette 10 and passed through a predetermined transfer path are finally provided. It is provided at the inlet side for feeding between the fixing rollers 22.
상기 용지건조수단은, 상기 제2용지공급롤러(24)를 건조시키기 위해 그 내부에 설치되는 히트램프(42)와, 상기 히트램프(42)를 구동시키기 위한 전원(44)을 구비한다. 여기서, 상기 용지(P)의 화상이 정착될 정착면을 더욱 효과적으로 건조시키기 위해서, 그 정착면에 접촉되는 제2용지공급롤러(34) 내에 상기 히트램프(42)를 설치하는 것이 좋다.The paper drying means includes a heat lamp 42 installed therein for drying the second paper feed roller 24, and a power source 44 for driving the heat lamp 42. Here, in order to dry the fixing surface on which the image of the paper P is to be fixed more effectively, it is preferable to provide the heat lamp 42 in the second paper feed roller 34 in contact with the fixing surface.
상기 구성에 있어서 인쇄작업이 시작되면, 화상이 정착될 용지(P)는 상기 카세트(10)로부터 인출롤러(11)에 의해 인출된다. 이와 같이 인출된 용지(P)는 소정의 경로를 따라 이송되다가 가이드부재(14)에 의해 가이드되어 상기 용지공급롤러들(32)(34) 사이로 빨려들어가 그 사이를 통과하게 된다. 이와 같은 과정에서 상기 제2용지공급롤러(34)는 상기 전원(44)에 의해 구동되는 히트램프(42)에 의해 가열되어 소정온도로 유지된다. 따라서, 상기 용지(P)는 용지공급롤러들(32)(34) 사이를 통과하면서 상기 제2용지공급롤러(34)에서 발생되는 열에 의해 머금고 있는 습기가 건조되어 제거된다. 그리고, 이와 같이 건조된 용지(P)의 선단부는, 상기 가이드부재(14)에 의해 유도되어 상기 전사롤러(21)와 정착롤러(22) 사이로 물려들어가게 된다. 따라서, 상기 전사롤러(21)와 정착롤러(22) 사이에서 인쇄가 진행될 때에는, 용지(P)가 이미 건조된 상태이기 때문에, 습기에 의해 화상이 번지는 등의 영향을 받지 않고, 선명한 화질을 인쇄할 수 있는 것이다. 그리고, 인쇄가 완료된 용지(P)는 배지롤러(16)에 의해 인쇄유니트(20) 외부로 빠져나와 인쇄가 종료되게 된다. 여기서, 상기와 같이 정상적인 인쇄동작을 수행하도록 용지(P)를 건조시키기 위해서는 상기 제2용지공급롤러(34)의 표면온도를 약 80℃ 정도로 유지하는 것이 바람직하다.In the above configuration, when the print job starts, the paper P on which the image is to be fixed is taken out from the cassette 10 by the take-out roller 11. The paper P drawn as described above is transported along a predetermined path and guided by the guide member 14 to be sucked between the paper feed rollers 32 and 34 to pass therebetween. In this process, the second paper feed roller 34 is heated by the heat lamp 42 driven by the power source 44 and maintained at a predetermined temperature. Therefore, the paper P passes through the paper feed rollers 32 and 34, and the moisture trapped by the heat generated by the second paper feed roller 34 is dried and removed. Then, the front end portion of the paper P dried as described above is guided by the guide member 14 and is passed between the transfer roller 21 and the fixing roller 22. Therefore, when printing is carried out between the transfer roller 21 and the fixing roller 22, since the paper P is already dried, the image quality is not affected by moisture or the like. It can be printed. Then, the paper P on which the printing is completed is discharged to the outside of the printing unit 20 by the discharge roller 16, and the printing is finished. Here, in order to dry the paper P to perform a normal printing operation as described above, it is preferable to maintain the surface temperature of the second paper feed roller 34 to about 80 ℃.
한편, 상기 히트램프(42)를 도 3에 도시된 바와 같이 상기 제1용지공급롤러(32)와 제2용지공급롤러(34) 각각의 내부에 설치할 수도 있다. 이는 다량의 습기를 포함하고 있는 용지를 건조시키기에 효과적이다.On the other hand, the heat lamp 42 may be installed in each of the first paper feed roller 32 and the second paper feed roller 34 as shown in FIG. This is effective for drying paper containing a large amount of moisture.
또한, 도시되지는 않았지만 상기 히트램프(42)를 상기 제1용지공급롤러(32)에만 설치하여 사용할 수도 있다. 이 경우에는 앞서 제2용지공급롤러(34)에 히트램프(42)를 설치하였을 때보다, 롤러의 표면온도를 더 높게 유지시켜 주는게 바람직하다.In addition, although not shown, the heat lamp 42 may be installed and used only in the first paper feed roller 32. In this case, it is preferable to keep the surface temperature of the roller higher than when the heat lamp 42 is installed in the second paper feed roller 34.
상술한 바와 같은 본 발명에 따른 인쇄기기의 급지장치에 따르면, 인쇄유니트에서 인쇄가 진행되기 전에 용지를 건조시킬 수 있는 구조를 가지므로, 습기를 머금은 용지를 사용하더라도 그 용지를 건조시키는 것이 가능하게 된다. 따라서, 인쇄시 화상이 번지는 등의 악영향을 미리 방지할 수 있다.According to the paper feeding device of the printing apparatus according to the present invention as described above, it has a structure that can dry the paper before printing in the printing unit, it is possible to dry the paper even if the paper containing moisture do. Therefore, adverse effects such as blurring of images during printing can be prevented in advance.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980044577A KR100338741B1 (en) | 1998-10-23 | 1998-10-23 | Sheet feeding apparatus for printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980044577A KR100338741B1 (en) | 1998-10-23 | 1998-10-23 | Sheet feeding apparatus for printing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000026852A KR20000026852A (en) | 2000-05-15 |
| KR100338741B1 true KR100338741B1 (en) | 2002-07-18 |
Family
ID=19555164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980044577A KR100338741B1 (en) | 1998-10-23 | 1998-10-23 | Sheet feeding apparatus for printing device |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100338741B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7040064B2 (en) | 2001-09-13 | 2006-05-09 | Skyline Displays, Inc. | Modular multi-configurable display system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572246B (en) * | 2018-11-30 | 2020-11-10 | 象山邱工联信息技术有限公司 | Automatic printing method of printer |
| CN109572247B (en) * | 2018-11-30 | 2020-11-10 | 象山邱工联信息技术有限公司 | Printer capable of automatically feeding paper |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5672452A (en) * | 1979-11-20 | 1981-06-16 | Konishiroku Photo Ind Co Ltd | Feeder of copying machine or the like |
| JPH1016267A (en) * | 1996-07-05 | 1998-01-20 | Ushio Inc | Sheet heating/transferring unit |
| JPH1058777A (en) * | 1996-08-20 | 1998-03-03 | Ricoh Co Ltd | Common paper roll feeder |
-
1998
- 1998-10-23 KR KR1019980044577A patent/KR100338741B1/en not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5672452A (en) * | 1979-11-20 | 1981-06-16 | Konishiroku Photo Ind Co Ltd | Feeder of copying machine or the like |
| JPH1016267A (en) * | 1996-07-05 | 1998-01-20 | Ushio Inc | Sheet heating/transferring unit |
| JPH1058777A (en) * | 1996-08-20 | 1998-03-03 | Ricoh Co Ltd | Common paper roll feeder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7040064B2 (en) | 2001-09-13 | 2006-05-09 | Skyline Displays, Inc. | Modular multi-configurable display system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20000026852A (en) | 2000-05-15 |
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