EP1598294A2 - Appareil de traitement de feuilles - Google Patents

Appareil de traitement de feuilles Download PDF

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Publication number
EP1598294A2
EP1598294A2 EP05008405A EP05008405A EP1598294A2 EP 1598294 A2 EP1598294 A2 EP 1598294A2 EP 05008405 A EP05008405 A EP 05008405A EP 05008405 A EP05008405 A EP 05008405A EP 1598294 A2 EP1598294 A2 EP 1598294A2
Authority
EP
European Patent Office
Prior art keywords
roller
processing apparatus
conveying
dust
sheet processing
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP05008405A
Other languages
German (de)
English (en)
Inventor
Takanobu Nishimura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of EP1598294A2 publication Critical patent/EP1598294A2/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52—Friction retainers acting on under or rear side of article being separated
    • B65H3/5246—Driven retainers, i.e. the motion thereof being provided by a dedicated drive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/06—Rollers or like rotary separators
    • B65H3/0653—Rollers or like rotary separators for separating substantially vertically stacked articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/53—Auxiliary process performed during handling process for acting on performance of handling machine
    • B65H2301/531—Cleaning parts of handling machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1916—Envelopes and articles of mail

Definitions

  • This invention relates to a sheet processing apparatus that is provided with a cleaning roller to remove paper-dust adhered to members to contact sheets in a sheet processing apparatus such as, for example, a postal matter processing apparatus, a banknote processing apparatus and the like.
  • a sheet processing apparatus such as a postal matter processing apparatus, a banknote processing apparatus, etc. is provided with devices to take out sheets one by one from a bundled state in a take-out portion as disclosed in the Japanese Patent Application Publication No. 2003-81461.
  • Such take-out devices are broadly divided into a friction type using a rubber roller and a suction type using a suction drum.
  • a friction type take-out device using a rubber roller more than two sheets may be taken out and are supplied into a sheet processing apparatus after separated into a single sheet.
  • the frictional force of the rubber roller surface largely affects the sheet processing capacity and it is therefore important to keep a frictional coefficient of the rubber roller surface always stable.
  • An object of this invention is to provide a sheet processing apparatus that is capable of efficiently cleaning paper-dust adhered to such sheet conveying means as a take-out roller, a feed roller, a conveying roller, a conveying belt, etc.
  • a sheet processing apparatus comprising conveying means for conveying sheets in contact with them; processing means for performing a specified process of the sheets conveyed by the conveying means; and a cleaning roller of which surface is formed of a porous material to remove paper-dust from the surface of the conveying means by rotating in contact with the conveying means.
  • FIG. 1 is a top view of the rough construction of a postal matter processing apparatus showing a face culler canceller (a post-office stamp)that is a part of the postal matter processing apparatus in an embodiment of this invention;
  • FIG. 2 is a rough construction diagram showing the vicinity of a take-out portion of the face culler canceller (the post-office stamp) shown in FIG. 1;
  • FIG. 3 is a top view showing the state where one sheet of postal matter fed between a feed roller and a reversing roller;
  • FIG. 4 is a top view showing the state where two sheets of postal matter are fed between the feed roller and the reversing roller;
  • FIG. 5 is a conceptual diagram of the experiments conducted for the paper-dust collecting capacity of a sheet of paper and a roller shaped member
  • FIG. 6 is a graph showing the results of the experiments conducted for the materials or roller and paper-dust gatherring capacity
  • FIG. 7 is a graph showing the relationship between diameter of vesicle of sponge and weight of paper-dust gatherring amount
  • FIG. 8 is a conceptual diagram showing a usage pattern of a feed roller, a reversing roller and a cleaning roller.
  • FIG. 9 is a graph showing the results of the experiments conducted for the relative rotational speed of the feed roller and the reversing roller (a peripheral speed difference of rollers) and a gathering rate of paper-dust.
  • FIG. 1 is a top view showing the rough construction of a face culler canceller 1 of a sheet processing apparatus involved in the embodiment of this invention, which cancels postal indicias such as stamps pasted on postal matters P, sorts and stacks them.
  • Face culler canceller 1 is composed of an insert port 2, a take-out portion 4, an inspection portion 5, a rejection stacker 6, detectors 7a and 7b, a reversing portion 8, a sealing portion 9, and a sorting stacker 10.
  • Postal matters P sheets
  • Inspection portion 5 inspects postal matters P taken out on conveying route 3 for postal matters containing foreign matters and irregular-size postal matters.
  • Inspection portions 7a and 7b detect postal indicias pasted on the surfaces of postal matters P passed through inspection portion 5 and judged to be normal postal matters that can be processed.
  • reversing portion 8 postal matters P are turned over upside down selectively based on the detection result in inspection portions 7a and 7b.
  • sealing portion 9 postal indicias pasted on postal matters P passed through reversing portion 8 are stamped as necessary.
  • Sorting stacker 10 is composed of sorting boxes 10a to 10f and postal matters P are sorted and stacked in sorting boxes 10a to 10f according to the detection results by detectors 7a and 7b. Detectors 7a and 7b, reversing portion 8 and sealing portion 9 partially comprise the processing means to make the face culler cancellation.
  • Face culler canceller 1 displays various operational guides to operator and an operation panel 11 to accept various operating inputs made by operator is provided near insert portion 2.
  • insert portion 2 plural postal matters P are housed in the state of upright position with the long side in contact with the base. Postal matters P inserted through insert portion 2 are inserted in the loose upside-down and front/back state. Insert portion 2 has a backup plate 2a to press all housed postal matters P toward take-out portion 4 along their stacking direction.
  • Take-out portion 4 takes out postal matters inserted into insert portion 2 from the most remote end at the opposite side of pickup plate 2a on conveying route 3 one by one.
  • supplied postal matters P are pressed to a take-out roller 20 side by backup plate 2a (not shown in FIG. 2) and a postal matter P at the most remote side is supplied to a feed roller 21 side by take-out roller 20.
  • a reversing roller (a separation roller) 22 that will be described later is provided facing to feed roller 21.
  • Conveying roller pairs 23 and 24 are provided at the inner side from feed roller 21 in the apparatus to convey postal matters P to inspection portion 5.
  • a cleaning roller 27 that is described later is provided to rotate in contact with take-out roller 20, feed roller 21 and conveying rollers 23, 24.
  • FIG. 4 is a diagram showing a case wherein two postal matters are taken out by take-out roller 20. In this case, reversing roller 22 rotates in the reverse direction and pushes back a second postal matter P2. After a sensor (not illustrated) detects that a first postal matter P1 passed completely, second postal matter P2 is sent to feed roller 21.
  • FIG. 5 is a conceptual diagram showing the experiment made for a paper-dust gatherring capacity of a sheet of paper 50 using a roller-shape member. After sliding a roller 51 rotating at a constant speed with a constant load applied on sheet of paper 50 moving at a constant speed, weights of paper-dust on the surface of roller 51 were measured. Paper-dust weights were measured on roller 51 using various rubber sponges, rubbers, nylon sponges, nylon brushes, leathers and nonwoven clothes, respectively. Materials in hardness within the ranges of HA20 to HA90 (JIS K 6253 Type A) were evaluated. As seen from FIG. 6 showing the results of experiments, paper-dust collection capacity is excellent in rubber sponge, nonwoven cotton cloth and nonwoven rayon cloth and it was revealed that soft materials have especially high paper-dust collecting capacity.
  • FIG. 8 is a conceptual diagram showing the using pattern of feed roller 21, reversing roller 22 and cleaning roller 27 described above.
  • feed roller 21 and reversing roller 22 are kept in contact with each other except a time when a postal matter P passes. Paper-dust falling from postal matter P is adhered to the surfaces of both rollers of feed roller 21 and reversing roller 22.
  • FIG. 9 shows the results of experiment to examine to which roller of feed roller 21 and reversing roller 22 in contact with each other paper-dust adhered on their surfaces moved when a relative rotational speeds of both rollers (a difference in roller peripheral speeds) were optionally changed. It was cleared that when a relative speed difference becomes large, paper-dust was concentrated on the roller at a high-speed rotating side but weights of paper-dust adhered on both rollers tend to be divided equally.
  • paper-dust is adhered much to reversing roller 22 side that is mainly sliding together with postal matter P immediately after postal matter P passed.
  • paper-dust is divided on both rollers almost equally 2, 3 seconds later.
  • Cleaning roller 27 is in contact with feed roller 21 and driven to turn at a higher speed than feed roller 21. Accordingly, paper-dust adhered to feed roller 1 is collected to cleaning roller 27 and paper-dust attached to reversing roller 22 is also collected to cleaning roller 27 through feed roller 21 and cleaned simultaneously.
  • cleaning roller 27 is covered by paper-dust in several hours.
  • Cellulose fibers are captured mechanically in sponge vesicles of cleaning roller 27 and therefore, paper-dust will not drop from cleaning roller 27 when two rollers are rotating jointly.
  • Feed roller 21 and reversing roller 22 are cleaned with the driving of the apparatus and a paper-dust layer is formed on the surface of cleaning roller 27.
  • This paper-dust layer becomes a nonwoven cotton (cellulose fiber) cloth roller in a manner. Because of this, as can be presumed from a graph shown in FIG.
  • a nonwoven cotton cloth is high in paper-dust gatherring performance and even when a paper-dust layer is formed on the surface of cleaning roller 27, its paper-dust gatherring performance does not drop. Further, the increased diameter of cleaning roller 27 by paper-dust is absorbed by the elastic deformation of sponge.
  • the diameter of cleaning roller 27 is increased gradually by a paper-dust layer.
  • a scraping plate 28 is provided at a position separated by a fixed space from cleaning roller 27 as shown in FIG. 8.
  • paper-dust adhered to cleaning roller 27 is scraped off by scraping plate 28 when cleaning roller 27 is rotated.
  • the paper-dust layer can be peeled off easily with a tooth brush or other cleaning jigs, and a frictional coefficients of feed roller 21 and reversing roller 22 can be maintained for an extended period without dropping the take-out efficiency when cleaning roller 27 is cleaned in a periodic maintenance work.
  • Cleaning roller 27 may be provided so as to rotate in contact with take-out roller 20, conveying roller 23 and further, conveying belt 24 as shown in FIG. 2. It is clear when providing conveying roller 23 and conveying belt 24, it is effective to install a cleaning roller to both of two conveying rollers and the conveying belt which are rotating in contact with each other.
  • the apparatus is explained by taking an example of the take-out roller as a friction roller. It is also possible to make the take-out roller as a suction take-out device using a suction drum for a take-out unit.
  • a cleaning roller is provided only to such a conveying means as conveying roller, conveying belts, etc.
  • a cleaning roller should be driven to rotate with a relative velocity difference between peripheral velocities of conveying roller and conveying belt as described above.
  • the apparatus is explained by taking postal matters as an example but it can be also applicable to such processing apparatus as a banknote processing apparatus, a copier, a printer, etc.
  • a sheet processing apparatus that is capable of efficiently cleaning paper-dust attached to conveying means such as a take-out roller, a feed roller or a conveying roller, a conveying belt, etc. It is explicitly stated that all features disclosed in the description and/or the claims are intended to be disclosed separately and independently from each other for the purpose of original disclosure as well as for the purpose of restricting the claimed invention independent of the composition of the features in the embodiments and/or the claims. It is explicitly stated that all value ranges or indications of groups of entities disclose every possible intermediate value or intermediate entity for the purpose of original disclosure as well as for the purpose of restricting the claimed invention, in particular as limits of value ranges.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
EP05008405A 2004-05-18 2005-04-18 Appareil de traitement de feuilles Withdrawn EP1598294A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004147807A JP2005330029A (ja) 2004-05-18 2004-05-18 紙葉類処理装置
JP2004147807 2004-05-18

Publications (1)

Publication Number Publication Date
EP1598294A2 true EP1598294A2 (fr) 2005-11-23

Family

ID=34935303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05008405A Withdrawn EP1598294A2 (fr) 2004-05-18 2005-04-18 Appareil de traitement de feuilles

Country Status (4)

Country Link
US (1) US20050258590A1 (fr)
EP (1) EP1598294A2 (fr)
JP (1) JP2005330029A (fr)
KR (1) KR100639456B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008119920A1 (fr) * 2007-03-30 2008-10-09 Talaris Holdings Limited Appareil de détection de feuilles et procédé correspondant

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5581926B2 (ja) * 2010-09-14 2014-09-03 セイコーエプソン株式会社 記録装置及び同装置における記録方法
US8540233B2 (en) * 2010-12-10 2013-09-24 Xerox Corporation Retard feeder
KR101068858B1 (ko) * 2011-05-12 2011-09-29 배종수 매엽 권취기
US9260267B2 (en) * 2014-05-21 2016-02-16 Xerox Corporation Paper dust removal device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1010934C2 (nl) * 1998-12-31 2000-07-03 Neopost Bv Inrichting voor het separeren van vellen.
US6695504B2 (en) * 2000-07-11 2004-02-24 Canon Kabushiki Kaisha Conveying apparatus and recording apparatus
JP3763253B2 (ja) * 2000-09-29 2006-04-05 ブラザー工業株式会社 画像形成装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008119920A1 (fr) * 2007-03-30 2008-10-09 Talaris Holdings Limited Appareil de détection de feuilles et procédé correspondant

Also Published As

Publication number Publication date
KR100639456B1 (ko) 2006-10-27
JP2005330029A (ja) 2005-12-02
KR20060046079A (ko) 2006-05-17
US20050258590A1 (en) 2005-11-24

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