CN1819960A - A sheet buffering means and method for buffering sheets - Google Patents
A sheet buffering means and method for buffering sheets Download PDFInfo
- Publication number
- CN1819960A CN1819960A CNA2004800188392A CN200480018839A CN1819960A CN 1819960 A CN1819960 A CN 1819960A CN A2004800188392 A CNA2004800188392 A CN A2004800188392A CN 200480018839 A CN200480018839 A CN 200480018839A CN 1819960 A CN1819960 A CN 1819960A
- Authority
- CN
- China
- Prior art keywords
- page
- roller
- paper
- rollers
- shock absorber
- 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.)
- Pending
Links
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
- B65H9/00—Registering, e.g. orientating, articles; Devices therefor
- B65H9/004—Deskewing sheet by abutting against a stop, i.e. producing a buckling of the sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/12—Delivering or advancing articles from machines; Advancing articles to or into piles by means of the nip between two, or between two sets of, moving tapes or bands or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2220/00—Function indicators
- B65H2220/09—Function indicators indicating that several of an entity are present
-
- 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
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/512—Changing form of handled material
- B65H2301/5121—Bending, buckling, curling, bringing a curvature
- B65H2301/51212—Bending, buckling, curling, bringing a curvature perpendicularly to the direction of displacement of handled material, e.g. forming a loop
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/14—Roller pairs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/70—Other elements in edge contact with handled material, e.g. registering, orientating, guiding devices
- B65H2404/72—Stops, gauge pins, e.g. stationary
- B65H2404/723—Stops, gauge pins, e.g. stationary formed of forwarding means
- B65H2404/7231—Stops, gauge pins, e.g. stationary formed of forwarding means by nip rollers in standby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/06—Office-type machines, e.g. photocopiers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
- Collation Of Sheets And Webs (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention concerns sheet buffering means for placement between paper handling equipment, such as a printer or a paper picker, and paper finishing equipment, for example, equipment for stapling and/or folding, which comprises at least a set of a front pair of rollers with rotating rollers for feeding of a sheet between the rollers and a rear pair of rollers with rotating rollers for feeding of a sheet between the rollers. At least one roller in each pair is driven by a common motor or a motor each, the front driven roller is disengageable by means of a clutch for holding a lead end of a sheet at the same time as the rear driven roller is driven so that the sheet becomes bent between the two pairs of rollers. The rear pair of rollers is stopped when the trail end of the sheet reaches the rear pair of rollers, whereby the sheet may sustain bent until it is desirable to feed it out, which is achieved by starting both of the pairs of rollers. The invention also concerns a method of buffering sheets.
Description
Technical field
The present invention relates to a kind of being placed on as the paper processing apparatus of chopping machine, offset printing press, duplicator or paper catcher and so on as the page shock absorber between the paper collator that is used to bind and/or fold, and a kind of method that is used to cushion page.
Background technology
The production efficiency of duplicator and chopping machine becomes more and more higher, thereby the number of sheets that in unit time is confessed also increases.In addition, well-known features is, page is exported in batches with for example two to eight quilts, during have a pause.For example, adjoining land is exported three pages in succession, makes a short pause then, exports three pages afterwards again in succession.
Usually, the paper collator is installed in after the paper processing apparatus such as chopping machine or paper catcher of editor such as the production of the binding and layout of the side back of the body, book or mail insert (mailinserting), bookbinding, folding, folding processing form.The paper collator that is used to handle page must can be handled it with the flow velocity in batches basically.This needs very fast speed equipment, because the requirement of speed, the manufacturing of these equipment, purchase and maintenance are very expensive.In order to use those not satisfy the simple more more cheap equipment of rate request, just need be provided for the time gap of chosen position during the course.
In US5289251, expressed a kind of method that is used to address the above problem.Buffer system comprises many paper paths and many to driven roller.In intermediate steps, one special paper path is provided, utilize pair of rolls to come one or more page is cushioned, said this pair roller stops the front edge of page, simultaneously page still is fed forward, and this just makes the page K/UP, so, the roller with lagging dege " bullet is crossed " back of page is right, and self is kept flat thereon.After this, second page can be fed into top page below, and then, they just can be exported together, but have little dislocation.
This system has solved matter of time, but has some shortcomings, and for example, in some steps, chopping machine/duplicator and/or other paper processing apparatus are alongst installed with paper collator subsequently, and this is very debatable.Current equipment forms the very long linkwork that is difficult to place.Buffer system among the US5289251 has cushioned flat page, and this equipment that makes needs bigger space.Under special circumstances, the client possibly can't physically be assembled to another part of equipment in this processing linkwork.Another problem is to need long paper path.It is very expensive making complicated paper path and it is installed in the paper machine.For cost being remained on lower level, paper path must be lacked as much as possible and be simple.
Summary of the invention
The invention provides following apparatus and method and realize the purpose that addresses these problems:
The invention provides a kind of for example chopping machine that is used to be placed on, the paper processing apparatus of paper catcher and so on and for example being used to bind and/or folding paper collator between the page shock absorber, it is characterized in that wherein at least one group of preliminary roller is to right with the back roller, preliminary roller is used for carrying page to having the rotation roller between roller, back roller is used for carrying page to having the rotation roller between roller, at least one roller of each roller centering is subjected to that a public motor drives or each roller respectively is subjected to a motor and drives, preceding driven voller can utilize power-transfer clutch to break away from, so that in back driven while of driven voller, maintain the front end of page, thereby make page two rollers between limpen, so, when the tail end of page arrive the back roller to the time, back roller is to also being stopped, thereby before wishing page output, it is crooked that page keeps, and this is by starting two rollers to realizing.
The invention provides a kind of as the paper processing apparatus of chopping machine, paper catcher and so on and for example be used to bind and/or folding paper collator between the method for buffering page, it is characterized in that: with the front end of page enter into preliminary roller between; When the front end of page had at least arrived the right roll gap of preliminary roller, it was right to stop preliminary roller, and simultaneously, back roller is carried page to continuing, thus make page two rollers between bend; When the tail end of page arrived the right roll gap of back roller, it was right to stop the back roller at the latest; Roller is right before and after the output startup on opportunity of expectation.
The invention has the advantages that,, thereby make device of the present invention very short on the length direction of processing chain because page keeps crooked between whole phase buffer.In addition, the quantity of paper path, length and complexity are also significantly reduced.This just make device more simply, more cheaply, compact more and be easier to operation.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention as an example are described, in the accompanying drawings:
Fig. 1 has expressed a preferred embodiment according to page shock absorber of the present invention,
Fig. 2 has expressed the driving situation of the roller in the preferred embodiment shown in Figure 1.
The specific embodiment
Fig. 1 has expressed and has attempted to cushion the nearly page shock absorber of two sheets of paper 7, and this page shock absorber comprises on one buffer channel 11 and buffer channel 12 once.At first, for the sake of clarity, buffer channel 11 will be described separately.Certainly, if necessary, this page shock absorber also can include only a buffer channel, only a piece of paper page or leaf is cushioned.
Utilize a pendulum plate 5 that page 7 is directed to the back roller in 13, this roller comprises a driven voller 1 and a counter roller 8 to 13.Back roller is fed forward page 7 to 13, makes it arrive preliminary roller to 14, and this preliminary roller comprises a driven voller 2 and a counter roller 9 to 14.
When the front end 16 of page 7 arrived preliminary roller at least to 14 roll gap 15, preliminary roller was stopped 14, thereby the front end 16 of page 7 is remained in the roll gap 15.Simultaneously, back roller continues to be fed forward page 7 to 13.Because guiding piece 6 stops paper to be bent downwardly, therefore in this case, page 7 K/UPs.
Find for page 7 and to lead to preliminary roller to 14 correct passage, guiding piece 6 is optional, still, for make page 7 on ideal orientation crooked for, then be essential.Crooked in order to be easy to beginning, guiding piece 6 is K/UP slightly preferably.If necessary, a biddability guiding piece (compliant guide) 10 can be set then, this biddability guiding piece is provided with 14 orientations towards preliminary roller.This biddability guiding piece can not stop the bending of page 7, but stops page 7 to be resisted against preliminary roller on the driven roller 2 in 14.
When the tail end 18 of page 7 arrived roll gap 17 between two rollers 1 and 8, perhaps before this time, back roller also stopped 13, and the page 7 of a bending is stored in the page shock absorber.In the time will carrying page 7, preliminary roller is to 14 and the back roller all begins to start to 13 and page 7 is transported in subsequently the paper collator.In when output, roller is in order further to save time, and preferably, these rollers are to by with higher speed drive.
Preferably, roller 1 and 2 is activated, and counter roller 8,9 just servo-actuateds, but if necessary, counter roller 8,9 also can be activated, referring to accompanying drawing 1.Each driven voller 1,2 can utilize a motor to drive respectively, for example drive with motor, but preferably, roller 1 and 2 is driven by same motor 19, so forerunner's action roller 2 is provided with power-transfer clutch 22, make forerunner's action roller 2 to break away from propulsive effort, thereby during the front end 16 of page 7 was held the position, this forerunner's action roller 2 stopped operating.Driving band 23 passes to roller 1 and 2 with the propulsive effort of motor 19.For prevent harder page when it moves, himself is pressed against preliminary roller to 14 on, a friction brake 30 preferably is set.These rollers are resiliently biased toward each other, preferably send out at the periphery of these rollers at least and are equipped with a flexible material.
As can be seen from Figure 1, following buffer channel 12 is configured to make the mirror of buffer channel 11 on it to image.Yet, if necessary, buffer channel on these can be arranged to one and be positioned on another, also two following buffer channels can be arranged to one and be positioned on another.Like this, can increase two distances between the passage, that is, make the page that is bent be assembled between two passages with such speed.If necessary, in identical page shock absorber, can more buffer channels be set in mode similarly.
In order to allow that page 7 is directed in the buffer channel 11,12 of expectation, pendulum plate 5 can tilt between different (perhaps, if necessary, more) buffer channel 11 and 12.Preferably, also all be provided with the simple paper path 20 of two weak points in each side of pendulum plate 5.Equally,, the simple paper path 21 of two weak points is set preferably also, so that page is directed in subsequently the paper collator at exit end 24 places of page shock absorber.
In order to control the function of page shock absorber, need be ready to accept the signal of page 7 from an expression of subsequently paper collator, thereby page 7 and is not stored directly by the page shock absorber.If the paper collator is unripe, promptly handling several pages 7, then the page shock absorber is set at the active position place.When an inlet sensor 26 at arrival end 25 places that are arranged on the page shock absorber detected a page, pendulum plate 5 just was set at vacant (unoccupied) position, and driven roller 1 and 2 is activated in selected buffer channel 11,12.
The roll gap 15 when front end 16 that front sensor 28 in each buffer channel is surveyed page 7 arrives between before driving roller 2 and the counter roller 9 thereof at least roller 2 is broken away from propulsive effort cooperate, thereby preliminary roller stops 14, makes the front end 16 of page 7 keep going into the position.When very fast inlet sensor 26 is surveyed the tail end 18 of pages 7 or when arrive roll gap 17 between rear-guard action roller 1 and the counter roller 8 thereof at the latest, closes motor 19 then.Like this, pendulum plate 5 will be flapped toward vacant buffer channel.
When next page 7 that page 7 arrives and the still unripe acceptance of paper collator is new, page 7 will be stored in the page shock absorber with the same manner.Then, when the paper collator is ready to accept new page 7, two rollers of each buffer channel all will be activated 13,14, thereby in a buffer channel or simultaneously export page 7 abreast, perhaps export page 7 in the mode that has some medium laps between page 7.
For example, if desired like this, then the paper bundle can not made intermediate storage ground and directly carried by the page shock absorber.For example, this can be realized by spring bias voltage opposite to each other by making roller.
Though invention has been described by preferred embodiment above,, one skilled in the art will appreciate that the present invention can change within the scope of the appended claims.
Claims (11)
1. be used to be placed on for example chopping machine, the paper processing apparatus of paper catcher and so on and for example being used to bind and/or folding paper collator between the page shock absorber, it is characterized in that wherein at least one group of preliminary roller is to right with the back roller, preliminary roller is used for carrying page to having the rotation roller between roller, back roller is used for carrying page to having the rotation roller between roller, at least one roller of each roller centering is subjected to that a public motor drives or each roller respectively is subjected to a motor and drives, preceding driven voller can utilize power-transfer clutch to break away from, so that in back driven while of driven voller, maintain the front end of page, thereby make page two rollers between limpen, so, when the tail end of page arrive the back roller to the time, back roller is to also being stopped, thereby before wishing page output, it is crooked that page keeps, and this is by starting two rollers to realizing.
2. page shock absorber according to claim 1 wherein, when page is exported, can come driven roller right with higher speed.
3. page shock absorber according to claim 1 and 2 wherein, is provided with a sensor, is used to survey the position of the front end of page, so that the right driving of control preliminary roller.
4. according to claim 1,2 or 3 described page shock absorbers, wherein, an inlet sensor is set, be used to survey the position of the tail end of page, so that control back roller is right.
5. according to any described page shock absorber in the aforementioned claim, wherein, it is right that at least two groups front and back roller is set, and is used to cushion two sheets of paper at least.
6. page shock absorber according to claim 6, wherein, to a pendulum plate is set before, the back roller that is used for page is directed to expectation is right at the back roller.
7. according to any described page shock absorber in the aforementioned claim, wherein, preliminary roller to and the back roller between, a guiding piece is set, this guiding piece is used to prevent that page from bending being provided with on the direction of guiding piece.
8. according to any described page shock absorber in the aforementioned claim, wherein, at preliminary roller to locating to be provided with a friction brake.
One kind as the paper processing apparatus of chopping machine, paper catcher and so on and for example be used to bind and/or folding paper collator between the method for buffering page, it is characterized in that: with the front end of page be sent to preliminary roller between; When the front end of page had at least arrived the right roll gap of preliminary roller, it was right to stop preliminary roller, and simultaneously, back roller is carried page to continuing, thus make page two rollers between bend; When the tail end of page arrived the right roll gap of back roller, it was right to stop the back roller at the latest; Roller is right before and after the output startup on opportunity of expectation.
10. method according to claim 9, wherein, roller right driving in front and back is fast during than input when output.
11. one kind according to claim 9 or 10 described methods, wherein, at least two groups are set before and after roller right, be used to cushion two sheets of paper at least.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE03019429 | 2003-07-01 | ||
| SE0301942A SE525481C2 (en) | 2003-07-01 | 2003-07-01 | Sheet buffer and method of buffering sheets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1819960A true CN1819960A (en) | 2006-08-16 |
Family
ID=27731072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2004800188392A Pending CN1819960A (en) | 2003-07-01 | 2004-06-30 | A sheet buffering means and method for buffering sheets |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20060255536A1 (en) |
| EP (1) | EP1654179B1 (en) |
| JP (1) | JP4540670B2 (en) |
| CN (1) | CN1819960A (en) |
| AT (1) | ATE385982T1 (en) |
| DE (1) | DE602004011784T2 (en) |
| SE (1) | SE525481C2 (en) |
| WO (1) | WO2005003007A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198898A (en) * | 2010-03-25 | 2011-09-28 | 京瓷美达株式会社 | Sheet post-processing apparatus and image forming apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7704248B2 (en) | 2005-12-21 | 2010-04-27 | Boston Scientific Scimed, Inc. | Ablation device with compression balloon |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3639053A (en) * | 1969-05-02 | 1972-02-01 | Xerox Corp | Web cutting and feeding apparatus |
| JPS63225051A (en) * | 1987-03-09 | 1988-09-20 | Minolta Camera Co Ltd | Paper sheet transporting device |
| JP2750454B2 (en) * | 1989-07-21 | 1998-05-13 | ニスカ株式会社 | Sorter |
| JPH04189171A (en) * | 1990-11-22 | 1992-07-07 | Canon Inc | Image forming apparatus |
| JP3208193B2 (en) * | 1991-12-09 | 2001-09-10 | 株式会社リコー | Sheet feeding method for image forming apparatus and sheet feeding apparatus for executing the sheet feeding method |
| JP3049628B2 (en) * | 1992-11-13 | 2000-06-05 | 富士ゼロックス株式会社 | Control device for curl correction device of image forming apparatus |
| US5356263A (en) * | 1992-12-16 | 1994-10-18 | Pitney Bowes Inc. | Buckle accumulator and method for accumulating sheets |
| US5289251A (en) * | 1993-05-19 | 1994-02-22 | Xerox Corporation | Trail edge buckling sheet buffering system |
| TW341955U (en) * | 1994-09-30 | 1998-10-01 | Mita Industrial Co Ltd | Device for conveying sheet members |
| US5543909A (en) * | 1995-04-03 | 1996-08-06 | Xerox Corporation | Two step, large latitude, stalled roll registration system |
| JP3395027B2 (en) * | 1995-10-02 | 2003-04-07 | コニカ株式会社 | Image forming device |
| US6135446A (en) * | 1996-10-22 | 2000-10-24 | Oce Printing Systems Gmbh | Aligning device |
| JP3357977B2 (en) * | 1996-11-22 | 2002-12-16 | 富士通株式会社 | Method and apparatus for conveying sheet-like object, and printer |
| US5904350A (en) * | 1997-01-31 | 1999-05-18 | Tektronix, Inc. | Apparatus and method for deskewing media in a printer |
| US6010127A (en) * | 1997-04-14 | 2000-01-04 | Xerox Corporation | Internal purge for easy jam clearance in copiers/printers |
| US6209861B1 (en) * | 1998-03-11 | 2001-04-03 | Kyocera Mita Corporation | Sheet transport device and automatic document feeder |
| US6148172A (en) * | 1998-10-09 | 2000-11-14 | Konica Corporation | Image forming apparatus having means for enhancing accuracy of conveyance of recording sheets |
| US6055409A (en) * | 1998-12-18 | 2000-04-25 | Xerox Corporation | Sheet pre-transfer device |
| US6263186B1 (en) * | 1999-03-31 | 2001-07-17 | Konica Corporation | Image forming apparatus and conveyance control method thereof |
| JP3843730B2 (en) * | 2000-11-13 | 2006-11-08 | ブラザー工業株式会社 | Image forming apparatus and recording medium supply apparatus |
-
2003
- 2003-07-01 SE SE0301942A patent/SE525481C2/en not_active IP Right Cessation
-
2004
- 2004-06-30 JP JP2006518587A patent/JP4540670B2/en not_active Expired - Lifetime
- 2004-06-30 AT AT04749099T patent/ATE385982T1/en not_active IP Right Cessation
- 2004-06-30 EP EP04749099A patent/EP1654179B1/en not_active Expired - Lifetime
- 2004-06-30 CN CNA2004800188392A patent/CN1819960A/en active Pending
- 2004-06-30 DE DE602004011784T patent/DE602004011784T2/en not_active Expired - Lifetime
- 2004-06-30 US US10/563,063 patent/US20060255536A1/en not_active Abandoned
- 2004-06-30 WO PCT/SE2004/001061 patent/WO2005003007A1/en active IP Right Grant
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198898A (en) * | 2010-03-25 | 2011-09-28 | 京瓷美达株式会社 | Sheet post-processing apparatus and image forming apparatus |
| CN102198898B (en) * | 2010-03-25 | 2014-05-07 | 京瓷办公信息***株式会社 | Sheet post-processing apparatus and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| SE0301942L (en) | 2005-01-02 |
| SE0301942D0 (en) | 2003-07-01 |
| DE602004011784T2 (en) | 2009-02-05 |
| WO2005003007A1 (en) | 2005-01-13 |
| US20060255536A1 (en) | 2006-11-16 |
| JP4540670B2 (en) | 2010-09-08 |
| SE525481C2 (en) | 2005-03-01 |
| DE602004011784D1 (en) | 2008-03-27 |
| ATE385982T1 (en) | 2008-03-15 |
| JP2007521216A (en) | 2007-08-02 |
| EP1654179A1 (en) | 2006-05-10 |
| EP1654179B1 (en) | 2008-02-13 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |