CN101143661A - Device for positioning the trailing edge of sheets - Google Patents

Device for positioning the trailing edge of sheets Download PDF

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Publication number
CN101143661A
CN101143661A CNA2007101489424A CN200710148942A CN101143661A CN 101143661 A CN101143661 A CN 101143661A CN A2007101489424 A CNA2007101489424 A CN A2007101489424A CN 200710148942 A CN200710148942 A CN 200710148942A CN 101143661 A CN101143661 A CN 101143661A
Authority
CN
China
Prior art keywords
page
leaf
roller
opened
swing arm
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.)
Granted
Application number
CNA2007101489424A
Other languages
Chinese (zh)
Other versions
CN101143661B (en
Inventor
H·克里斯托夫
K-P·施赖伯
R·米勒
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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 Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of CN101143661A publication Critical patent/CN101143661A/en
Application granted granted Critical
Publication of CN101143661B publication Critical patent/CN101143661B/en
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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
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • B65H9/103—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop
    • B65H9/106—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop using rotary driven elements as part acting on the article
    • 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
    • B65H29/16—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/18—Oscillating or reciprocating blade folders
    • 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
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B65H2404/153—Arrangements of rollers facing a transport surface
    • B65H2404/1532—Arrangements of rollers facing a transport surface the transport surface being a belt
    • 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
    • B65H2701/13—Parts concerned of the handled material
    • B65H2701/131—Edges
    • B65H2701/1313—Edges trailing edge

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

The invention relates to a device for positioning the trailing edge of sheets moving in a mixed style folding machine. The said device is composed pf a conveyor belt where a sheet is conveyed in the conveyor belt against a catch, and at least one roller presses the sheet against the conveyor belt and is adjustable on a rear edge of the sheet, when a front edge of the sheet lies against the catch. The roller is provided with a return stop that prevents reversion of rotation of the roller.

Description

The device that is used for the trailing edge of positioning sheets
Technical field
The present invention relates to a kind of device that is used for locating preferably the trailing edge of the laminated object that moves at composite paper folding machine.
Background technology
At the grid cutter folding machine that mixes is in the composite paper folding machine, and parallel folding line is folding with the buckle-fold principle in the first folding station, and the intersection folding line of back carries out with vertical folding blade of working.For this reason, opened by the page or leaf of folding and after parallel folding process, fricton-tightly be transported to a cross folding station by means of load-transfer device.In order to guarantee real nonslipping conveying, the planar article of being carried must be suppressed and vertically are pressed onto on the load-transfer device.In order to produce required for this reason vertical thrust, working load ball and be to use guide roller not only.Such load ball system is for example open by German utility model DE 84 06 391.But the use of the guide roller of for example describing in German utility model DE 93 04 281 is accepted more recently.Described guide roller has special advantage with respect to load ball system, and these advantages for example are, can obtain the accurate page or leaf of track by guide roller and open guiding.
For accurately folding in the knife-fold device, the guide roller of rolling over backstop that and then intersects must accurately be located, and promptly page or leaf is opened " freely " between preceding seamed edge backstop and guide roller.In order to guarantee this point, guide roller is the location like this, makes roller just still rotate and neither be positioned at page or leaf to open and also be not located immediately at the folding page or leaf on the trailing edge and open.Such device is open by German utility model document DE 299 04 757.Proposed there a kind ofly to be used to the object of the laminated that suppresses to move and to make its device that bears load, in this device, be provided with one or more guide rollers in order to suppress described object.For positioning and guiding roller accurately, at least one is equipped with mark in the described guide roller.
In current popular knife-fold device, page or leaf is opened with speed of production completely and is moved towards fixing backstop.The kinetic energy of this motion page or leaf is opened as spring, compress and then as the resilience impact type the freedom that becomes.When resilience, page or leaf is opened and is moved against the paper direct of travel, and thus, the position that this page opened is no longer accurately determined.Load-transfer device continues to advance and continues and promotes to be opened by the page or leaf of resilience towards backstop with speed completely.Page or leaf open hit back long like this, the screen resilience that synthesizes greater than the elastic force of opening by page or leaf in the power on the direction of backstop up to band and feedway.Through after a little time, page or leaf is opened static and band passes through below this paper.Page or leaf is opened now can be folding by cutter.
Now not reciprocating still page or leaf Zhang Suoxu's so that level land and directionally be positioned at backstop fwd time length and reduced possible production efficiency.
" hitting back " that page or leaf is opened is strong more, and page or leaf is opened can be resiliently far away more, is continuing to be transfused to when advancing forward other energy because this page or leaf is opened.
Open from the backstop resilience for fear of page or leaf, open: as some brushes are placed in are used for fixing the folding page or leaf and open the folding page or leaf of end position and open on the trailing edge or a brush board bar is placed in the folding page or leaf and open on the upside.But the brush board bar that makes the folding page or leaf open the upside braking is just opened for the folding page or leaf with little weight per unit area and is had shortcoming, because the supporting of symmetry and uniform thus braking may be difficult.In addition, the adjusting of described brush or brush board bar and locate time-consuming.
By by German utility model DE 93 04 281 disclosed guide rollers, " hitting back " that page or leaf is opened can reasonably well be avoided as a rule.But under and the situation that grammes per square metre is big high in speed, only the effect of described guide roller is no longer enough.
Summary of the invention
Therefore, task of the present invention is, provide a kind of device of scheme as an alternative, even stabilization time when also reducing page or leaf under the situation that this device is high in speed and grammes per square metre is big and opening the backstop of running into the knife-fold device and can in the knife-fold device, carry out glitch-free folding by this device while.
This task solves by device according to the present invention.
According to the present invention, a kind of device that is used for locating the trailing edge that the page or leaf that preferably moves at composite paper folding machine opens has been proposed, this device is made up of at least one load-transfer device and at least one roller, page or leaf is opened on load-transfer device and is carried towards at least one backstop, described roller with page or leaf open towards load-transfer device press and when seamed edge rests on the backstop before the page or leaf Zhang Yiqi according to specification always adjustable ground act on the trailing edge of static page or leaf, wherein, roller is equipped with a reverse closing appliance, and this reverse closing appliance is avoided the commutation of roller rotation direction.
In a preferred form of implementation, reverse closing appliance and form by a dish with tooth portion, this dish is placed on the guide roller and this dish and a ratchet device combined action that is placed in the rotating swing arm.In this configuration, the page or leaf of resilience open since roller open with page or leaf between the cliding friction of existence and static significantly apace.Promptly page or leaf is opened by the friction that improves and is braked.
In another favourable form of implementation, guide roller is bearing in the swing arm, is fixed with a check spring in this swing arm, and the submergence depth of this check spring is under the load-transfer device.Avoid page or leaf to open by this check spring shape rebounds sealedly.
Other favourable configuration is set forth in following technical proposals.
Advantageously, roller is rotatably supported on the device frame by a rotating swing arm.
Advantageously, on roller, be mounted with a dish with tooth portion and one and coil coefficient ratchet device with this.
Advantageously, ratchet device is fixed on the end of a bar, and this bar is fixed in the swing arm on its another end.
Advantageously, this tooth portion constructs like this, makes dish and ratchet device combined action ground only can move on a rotation direction.
Advantageously, the submergence depth of check spring comes limited boundary by a pin in the swing arm.
Description of drawings
Describe the present invention in detail by means of the embodiment in the accompanying drawing below.
Fig. 1 a is according to the lateral plan of the device on the principle of background technology,
Fig. 1 b is according to the three-dimensional view of the device on the principle of background technology,
Fig. 2 a according to of the present invention first the device lateral plan,
Fig. 2 b according to of the present invention first the device three-dimensional view,
Another lateral plan of Fig. 3 a according to device of the present invention,
Another three-dimensional view of Fig. 3 b according to device of the present invention.
The specific embodiment
Theory structure according to the device of background technology has been shown among Fig. 1 a and Fig. 1 b.
Roller 6 promotes page or leaf with load-transfer device 4 towards backstop 5 and opens 2.So page or leaf is opened 2 backstops, is out of shape and discharges stored energy as the elastic force against throughput direction as spring.Braking will be opened with page or leaf by the wedge portion that forms at roller 6 and between with 4.
Now open and carry and do not produce the employed roller 6 of vestige very flexibly and have a very little quality in order to improve page or leaf.It is shortcoming that these advantages when page or leaf is opened conveying are opened glancing impact at page or leaf.The page or leaf of resilience is opened 2 protuberance and jack-up rollers 6.Because roller 6 has rolling resistance and quality hardly, rotation direction commutates now.Page or leaf is opened 2 and is just braked by friction of rolling.Being used to of roller 6 avoided the stronger thrust of described jack-up to open at page or leaf under many circumstances causing vestige on 2.These vestiges are not desired and should avoid.
Illustrated according to first form of implementation of the present invention among Fig. 2 a and Fig. 2 b.
Roller 6 is bearing in the swing arm 12.Swing arm 12 is rotatably supported on the unshowned frame and by a spring and loads downwards.Go up conveying of sheet and open if open direct of travel (arrow T) at page or leaf now, then roller 6 lifts a little, promote forward page or leaf open 2 and the trailing edge opened when the folding page or leaf drop to again when having passed through roller and be with on 4.On roller 6, be mounted with a device that makes that rotation direction is not capable of reversing.In current form of implementation, this is a dish and a ratchet device 11 that is fixed on the bar 15 with tooth portion 9.Bar 15 is fixed in the swing arm 12 on its another end.The shape of tooth portion only can be opened on the direct of travel roller 6 at page or leaf and is rotated.Though the page or leaf of resilience is opened 2 jack-up rollers 6 still all the time, this roller can not change rotation direction; Page or leaf open 2 between opening by roller and folding page or leaf cliding friction rather than brake by friction of rolling.Cliding friction increases factor 3.
Illustrated according to another form of implementation of the present invention among Fig. 3 a and Fig. 3 b.
In swing arm 12, be fixed with a check spring 13.Open if open on the direct of travel conveying of sheet at page or leaf now, then spring lifts and allows page or leaf to open to cross.If the trailing edge that page or leaf is opened has been crossed check spring, then this check spring reduces and the backstop this degree that descends, and makes this backstop cross than being in low level more and not allowing the page or leaf of resilience to open thus with 4.The submergence depth of spring 13 is by pin 14 downward limited boundaries.The backstop of spring is placed in the tight front of contact point of roller.Roller can more easily locate thus and page or leaf open return before check spring obtain possibility to lower swing.
In these two forms of implementation, heavy page or leaf is opened under the high situation of processing speed reliable braking and location also are guaranteed.
The reference number inventory
1,10 devices 9 have the dish of tooth section
2 pages, 11 ratchet mechanisms
12 swing arms of 4 conveyer belts
5 backstops, 13 check springs
6 rollers, 14 pins
7 page the trailing edges, 15 bars
Seamed edge T page direct of travel before 8 pages.

Claims (8)

1. be used for locating the page or leaf that preferably moves and open the device (1 of the trailing edge of (2) at composite paper folding machine, 10), this device is made up of at least one load-transfer device (4) and at least one roller (6), page or leaf is opened and is carried towards at least one backstop (5) on described load-transfer device, described roller page or leaf is opened (2) towards described load-transfer device (4) press and when seamed edge (8) before the page or leaf Zhang Yiqi rest on described backstop (5) when going up according to specification always adjustable ground act on the trailing edge (7) of static page or leaf (2), it is characterized in that: described roller (6) is equipped with a reverse closing appliance, and this reverse closing appliance is avoided described roller rotation direction commutation.
2. according to the device of claim 1, it is characterized in that: described roller (6) is rotatably supported on the device frame by a rotating swing arm (12).
3. according to the device of claim 1 or 2, it is characterized in that: on described roller, be mounted with dish (9) and one and a coefficient ratchet device of this dish (9) (11) with tooth portion.
4. according to the device of claim 3, it is characterized in that: this ratchet device (11) is fixed on the end of a bar (15), and this bar is being fixed in this swing arm (12) on its another end.
5. according to the device of claim 3, it is characterized in that: this tooth portion constructs like this, makes this dish (9) and this ratchet device (11) combined action ground only can move on a rotation direction.
6. according to the device of claim 2, it is characterized in that: in this swing arm (12), be fixed with a check spring (13).
7. according to the device of claim 6, it is characterized in that: the submergence depth of this check spring (13) is under this load-transfer device (4).
8. according to the device of claim 7, it is characterized in that: the submergence depth of this check spring (13) comes limited boundary by the pin (14) in this swing arm (12).
CN200710148942.4A 2006-09-13 2007-09-12 Device for positioning the trailing edge of sheets Active CN101143661B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006042881A DE102006042881A1 (en) 2006-09-13 2006-09-13 Device for positioning a trailing edge of sheets
DE102006042881.1 2006-09-13

Publications (2)

Publication Number Publication Date
CN101143661A true CN101143661A (en) 2008-03-19
CN101143661B CN101143661B (en) 2012-10-10

Family

ID=38935937

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200710148942.4A Active CN101143661B (en) 2006-09-13 2007-09-12 Device for positioning the trailing edge of sheets

Country Status (6)

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EP (1) EP1900660B1 (en)
JP (1) JP5179817B2 (en)
CN (1) CN101143661B (en)
AT (1) ATE471292T1 (en)
DE (2) DE102006042881A1 (en)
PT (1) PT1900660E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101879996A (en) * 2009-05-07 2010-11-10 海德堡印刷机械股份公司 Be used for device at the folding machine positioning sheets

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2706029B1 (en) * 2012-09-06 2019-01-16 Heidelberger Druckmaschinen AG Device for aligning sheets with articulated arm bearing

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB502656A (en) * 1938-10-08 1939-03-22 Headley Townsend Backhouse Improvements in or relating to sheet feeding apparatus
US4066255A (en) * 1976-07-23 1978-01-03 Addressograph-Multigraph Corporation Document transport system
DE8406391U1 (en) * 1984-03-01 1984-07-19 Stahl Gmbh & Co Maschinenfabrik, 7140 Ludwigsburg FOLDING MACHINE WITH HOLDING DEVICE
DE3903381A1 (en) * 1989-02-04 1990-08-09 Frankenthal Ag Albert DEVICE FOR STOPPING FOLDED PRODUCTS
US5284338A (en) * 1992-03-06 1994-02-08 Eastman Kodak Company Device for aligning individually supplied sheets
DE9304281U1 (en) * 1993-03-22 1993-05-13 Stahl Gmbh & Co Maschinenfabrik, 7140 Ludwigsburg Device for loading folded sheets
JP2581680Y2 (en) * 1993-11-19 1998-09-24 積水ハウス株式会社 Plate material transfer device
JPH07225527A (en) * 1994-02-15 1995-08-22 Katsuragawa Electric Co Ltd Fixing device
JPH07228380A (en) * 1994-02-18 1995-08-29 Dainippon Printing Co Ltd Sheet-shaped object feeder
US5934668A (en) * 1996-12-27 1999-08-10 Pitney Bowes Inc. Document registration apparatus with improved document drive capability
DE29904757U1 (en) * 1999-03-16 1999-06-17 Heidelberger Druckmaschinen Ag, 69115 Heidelberg Folding machine with hold-down device
EP1176109B1 (en) * 2000-07-28 2003-10-01 MASCHINENBAU OPPENWEILER BINDER GmbH & CO. Device for folding a sheet by means of a folding blade

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101879996A (en) * 2009-05-07 2010-11-10 海德堡印刷机械股份公司 Be used for device at the folding machine positioning sheets
CN101879996B (en) * 2009-05-07 2015-05-20 海德堡印刷机械股份公司 Device for positioning sheets in a folding machine

Also Published As

Publication number Publication date
EP1900660A2 (en) 2008-03-19
CN101143661B (en) 2012-10-10
JP5179817B2 (en) 2013-04-10
EP1900660B1 (en) 2010-06-16
DE502007004116D1 (en) 2010-07-29
EP1900660A3 (en) 2008-12-17
PT1900660E (en) 2010-08-17
DE102006042881A1 (en) 2008-03-27
JP2008069013A (en) 2008-03-27
ATE471292T1 (en) 2010-07-15

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