DE102004022237A1 - Sheet stacking method for use in printing machine, involves providing interfering signal to machine control when time period for covering vacuum bar with printed sheet exceeds determined time slot, for stopping machine - Google Patents
Sheet stacking method for use in printing machine, involves providing interfering signal to machine control when time period for covering vacuum bar with printed sheet exceeds determined time slot, for stopping machine Download PDFInfo
- Publication number
- DE102004022237A1 DE102004022237A1 DE200410022237 DE102004022237A DE102004022237A1 DE 102004022237 A1 DE102004022237 A1 DE 102004022237A1 DE 200410022237 DE200410022237 DE 200410022237 DE 102004022237 A DE102004022237 A DE 102004022237A DE 102004022237 A1 DE102004022237 A1 DE 102004022237A1
- Authority
- DE
- Germany
- Prior art keywords
- sheet
- squeegee
- machine
- printed sheet
- brake
- 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- Withdrawn
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
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/26—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles
- B65H29/28—Delivering or advancing articles from machines; Advancing articles to or into piles by dropping the articles from mechanical grippers
-
- 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
- B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
- B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
- B65H29/041—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands and introducing into a pile
-
- 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
- B65H29/68—Reducing the speed of articles as they advance
- B65H29/686—Pneumatic brakes
-
- 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
- B65H2801/21—Industrial-size printers, e.g. rotary printing press
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Pile Receivers (AREA)
- Discharge By Other Means (AREA)
Abstract
Description
Die Erfindung betrifft eine Bogenbremse nach dem Oberbegriff des Patentanspruches 1.The The invention relates to a sheet brake according to the preamble of claim 1.
In Bogenrotationsdruckmaschinen werden Druckbogen von einem Bogenanleger durch Druckwerke und danach an einem Kettenfördersystem zu einem sogenannten Bogenausleger transportiert und dort bedruckt auf einem Bogenstapel abgelegt. Dabei muß jeder bedruckte Druckbogen am Bogenausleger aus einer maximalen Fördergeschwindigkeit bis in die Ruhelage verzögert werden. Gleichzeitig ist der bedruckte Druckbogen aus einer schwebenden Lage auf die Bogenstapeloberfläche abzusenken.In Sheet-fed rotary printing presses are printed sheets from a sheet feeder by printing units and then on a chain conveyor system to a so-called Sheet delivery transported and printed on a pile of sheets stored. Everybody has to printed sheets on the sheet delivery from a maximum conveying speed delayed to the rest position become. At the same time the printed sheet is floating Position on the sheet pile surface lower.
Hierbei treten nicht nur Probleme bei der Verzögerung des Bogens auf, sondern auch dadurch, daß der Druckbogen beim Absinken senkrecht zu seiner Ausdehnung durch den Luftwiderstand behindert wird. Dadurch kann es zu Schwierigkeiten bei der Bogenablage während hoher Geschwindigkeiten kommen, da der nachfolgende Druckbogen auf die Hinterkante des gerade abzulegenden Bogens treffen kann. Außerdem kann die Ausrichtung behindert werden. Als Hilfsmittel sind Blasvorrichtungen über dem Auslegerstapel vorgesehen, die den auszulegenden Druckbogen nach unten drücken sollen. Dabei werden die Druckbogen durch Luftströmungen stark beeinflußt. Eine saubere Bogenführung ist besonders bei hohen Geschwindigkeiten insbesondere an der hinteren Bogenkante sehr schwierig. Dies gilt vor allem dann, wenn die hinteren Ecken des abzulegenden Bogens sich in Folge der Abströmung des Luftpolsters unter dem absinkenden Druckbogen nach oben wölben.in this connection Not only problems occur with the delay of the bow, but also in that the Sheet as it sinks perpendicular to its extension through the Air resistance is hampered. This can cause difficulties during the sheet storage during high speeds come because the subsequent sheet on can hit the trailing edge of the bow to be deposited. In addition, can the orientation will be hampered. As an aid blowing devices are above the Boom stack provided, the to be interpreted sheet after press down should. The printed sheets become strong due to air currents affected. A clean sheet guide is especially at high speeds especially at the rear Bow edge very difficult. This is especially true when the rear Corners of the sheet to be deposited as a result of the outflow of the air cushion Bend up under the sinking sheet.
Aus
der
Weiterhin ist aus dem genannten Dokument bekannt, eine Bogenbremse, die in Bogenlaufrichtung vor der Hinterkante eines Bogenstapels in einem Bogenausleger angeordnet ist, oszillierend zwischen einer Fangstellung und einer Ablegestellung heb- und senkbar auszuführen.Farther is known from the cited document, a sheet brake, which in Direction of sheet travel in front of the trailing edge of a sheet pile in one Bow boom is arranged, oscillating between a fishing position and a Ablestellung can be raised and lowered.
Als weitere Hilfsmittel sind zur Auslage von insbesondere großformatigen Druckbogen sogenannnte Abnahmegreifer bekannt. Diese übernehmen den angelieferten Druckbogen von den Greifersystemen des Kettenförderers und führen ihn unter Verlangsamung der Geschwindigkeit gegen die Vorderkantenanschläge. Sie wirken nur punktuell auf die Druckbogen, was zu Verzerrungen und ungleichmäßiger Abbremsung führen kann. Außerdem werden die Druckbogen bei hohen Geschwindigkeiten einer starken Verzögerung in einer instabilen Orientierungsebene ausgesetzt.When Further aids are for display of particular large format Sheet so-called acceptance gripper known. These take over the delivered sheet from the gripper systems of the chain conveyor and lead slowing him to speed against the leading edge stops. she Only occasionally affect the printed sheets, causing distortions and uneven braking to lead can. Furthermore The sheets are strong at high speeds delay exposed in an unstable orientation plane.
Aufgabe der Erfindung ist es daher, eine Bogenbremse nach dem Oberbegriff des Patentanspruches 1 so zu verbessern, daß der auszulegende Druckbogen mit größerer Genauigkeit und sicher abgelegt werden kann, wobei zusätzlich die ebene Lage des Bogens beim Auslegen positiv beeinflußt werden soll und das Sicherheitsverhalten der Maschine verbessert werden soll.task The invention is therefore a sheet brake according to the preamble of claim 1 to improve so that the auszulegende sheet with greater accuracy and can be stored safely, in addition to the flat position of the bow positively influenced during laying out to be and improves the safety behavior of the machine shall be.
Die Aufgabe wird gelöst mit den Merkmalen des Patentanspruchs 1.The Task is solved with the features of claim 1.
In vorteilhafter Weise wird der auszulegende Druckbogen an seiner Hinterkante von einer Bogenbremse sicher gehalten. Die Kraft auf den Druckbogen ist durch eine angepasste Saugleiste optimiert. Sie kann einstellbar sein. Weiterhin kann die Abdeckung der Saugleiste durch Druckbogen messtechnisch erfassbar sein, um Maschinenschäden zu verhindern.In Advantageously, the sheet to be interpreted is at its trailing edge held securely by a sheet brake. The force on the sheet is optimized by a customized squeegee. It can be adjustable be. Furthermore, the cover of the squeegee by sheet be metrologically detectable to prevent machine damage.
Er kann darüber hinaus, ohne Nachteile in Kauf zu nehmen, gleichzeitig an seiner Vorderkante von Abnahmegreifern und auch an seiner Hinterkante von der Bogenbremse gehalten werden.He can over it addition, without disadvantages, at the same time at his Leading edge of picking grippers and also at its trailing edge of the sheet brake are held.
Die Bogenbremse hält durch ihre besonders geeignete Form den Druckbogen in seitlicher Richtung straft und ausgebreitet. Dadurch kann der Druckbogen sicher und in gestreckter Lage bei einer optimal einstellbaren Geschwindigkeitsreduzie rung auf den Bogenstapel abgelegt werden. Der Druckbogen führt, da er fast einer Zwangsführung unterliegend abgelegt wird, annähernd eine Punktlandung aus.The Holding sheet brake due to their particularly suitable shape the printed sheet in lateral Direction punished and spread. This allows the sheet to be safe and in an extended position with an optimally adjustable speed reduction on the sheet pile are stored. The sheet leads, there he almost a forced tour is placed underneath, approximately a point landing.
Mit der Erfindung wird eine Möglichkeit geschaffen, eine Störung im Ablageverhalten rechtzeitig zu erkennen um die Maschine stoppen zu können, bevor mehrere Knautschbogen eine Gefährdung für mechanische Bauteile bilden können.With The invention becomes a possibility created, a fault in the storage behavior to recognize in time to stop the machine to be able to before several crumple bows a hazard for mechanical Can form components.
Die bringt insbesondere bei Maschinen mit einem Abnahmegreifer einen Vorteil.The especially for machines with a picking gripper Advantage.
Im folgenden wird anhand von Zeichnungen ein Ausführungsbeispiel näher dargestellt.in the The following is an exemplary embodiment shown in more detail with reference to drawings.
Hierin zeigen:Here in demonstrate:
In
Im
Bereich der Hinterkante des Bogenstapels
Die
Wirkungsweise der Bogenbremse
Die
Bogenbremse
Die
Saugnut kann in der Oberseite der Bogenbremse
Weiterhin
kann die Saugleiste
Wird
eine Bogen verarbeitende Maschine im Bogenausleger
Man
kann davon ausgehen, dass an der nicht abgedeckten Saugnut in der
Saugleiste
Wird
nun im Bereich der Saugnut ein Drucksensor
Als
Alternative zu der Druckmessung kann ein optischer Sensor dienen,
der im Bereich der Saugleiste
Außerdem kann
der Sensor
Die
Funktion der Bogenbremse
Der Druckbogen
B wird an den Greifersystemen
The sheet B is on the gripper systems
Diese
Kraft steht in Relation zum an der Saugnut anliegenden Saugdruck.
Dieser Saugdruck wird mittels des Sensors
Besonders
vorteilhaft wirkt die gezeigte Bogenbremse
Durch
die Form der Bogenbremse
- 11
- Druckbogensheet
- 22
- KettenfördersystemChain Conveyor System
- 33
- Greifersystemgripper system
- 44
- Bogenstapelsheet pile
- 55
- VorderkantenanschlagLeading-edge stop
- 66
- Abnahmegreiferdecrease gripper
- 77
- HinterkantenanschlagRear edge stop
- 88th
- Bogenbremsesheet brake
- 99
- Luftzuführungair supply
- 1010
- Saugleistesqueegee
- 1111
- Sensorsensor
- 1212
- Sperrebarrier
- 1313
- Kupplungclutch
- RR
- BogenlaufrichtungSheet running direction
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410022237 DE102004022237A1 (en) | 2004-05-04 | 2004-05-04 | Sheet stacking method for use in printing machine, involves providing interfering signal to machine control when time period for covering vacuum bar with printed sheet exceeds determined time slot, for stopping machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410022237 DE102004022237A1 (en) | 2004-05-04 | 2004-05-04 | Sheet stacking method for use in printing machine, involves providing interfering signal to machine control when time period for covering vacuum bar with printed sheet exceeds determined time slot, for stopping machine |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102004022237A1 true DE102004022237A1 (en) | 2005-12-01 |
Family
ID=35267289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200410022237 Withdrawn DE102004022237A1 (en) | 2004-05-04 | 2004-05-04 | Sheet stacking method for use in printing machine, involves providing interfering signal to machine control when time period for covering vacuum bar with printed sheet exceeds determined time slot, for stopping machine |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102004022237A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012206926A1 (en) | 2011-04-26 | 2012-10-31 | Koenig & Bauer Aktiengesellschaft | Sheet delivery apparatus for sheet-processing printing machine, has sheet brake structure including sensor device that is provided with evaluation unit so as to evaluate distance between two consecutive sheets |
-
2004
- 2004-05-04 DE DE200410022237 patent/DE102004022237A1/en not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012206926A1 (en) | 2011-04-26 | 2012-10-31 | Koenig & Bauer Aktiengesellschaft | Sheet delivery apparatus for sheet-processing printing machine, has sheet brake structure including sensor device that is provided with evaluation unit so as to evaluate distance between two consecutive sheets |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8127 | New person/name/address of the applicant |
Owner name: MANROLAND AG, 63075 OFFENBACH, DE |
|
8110 | Request for examination paragraph 44 | ||
R081 | Change of applicant/patentee |
Owner name: MANROLAND SHEETFED GMBH, DE Free format text: FORMER OWNER: MANROLAND AG, 63075 OFFENBACH, DE Effective date: 20120509 |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20121201 |