EP1059252A1 - Einrichtung zum Steuern einer kontinuierlich arbeitenden stapelhebevorrichtung - Google Patents
Einrichtung zum Steuern einer kontinuierlich arbeitenden stapelhebevorrichtung Download PDFInfo
- Publication number
- EP1059252A1 EP1059252A1 EP99107714A EP99107714A EP1059252A1 EP 1059252 A1 EP1059252 A1 EP 1059252A1 EP 99107714 A EP99107714 A EP 99107714A EP 99107714 A EP99107714 A EP 99107714A EP 1059252 A1 EP1059252 A1 EP 1059252A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stack
- lower level
- sheet
- sheet stack
- control unit
- 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
Links
Images
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
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
- B65H1/18—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device controlled by height of 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
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/20—Location in space
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2513/00—Dynamic entities; Timing aspects
- B65H2513/10—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
- B65H2557/20—Calculating means; Controlling methods
- B65H2557/23—Recording or storing data
Definitions
- the invention relates to a device for controlling a continuously operating stack lifting device a sheet-processing machine, in which the stack lifting device has an adjustable drive, which is determined by the height of the top of the sheet stack detecting device can be influenced.
- Such stack lifting devices consist of a stack lifting table carrying a sheet stack, which can be driven and raised by an electric motor. From the stack of sheets becomes the top sheet in time with a downstream sheet processing machine isolated and fed this. The height level of the top of the stack is from a device is detected and both when reaching an upper and a lower level a corresponding signal is supplied to a control unit, by means of which switching on or off of the electric motor.
- This control is complex and complicated and has the disadvantage that for the determination a speed continuously tracking the stacking lift table, among other things the bow thickness is used, due to the fact that sheets of the same thickness different Have properties that falsify a metrological detection, too Incorrect measurements and thus the realization of an incorrect lifting speed can.
- the object of the invention is to provide a generic stack lifting device with a simple, continuous lifting speed that is adapted to the respective conditions of the stacking lift table can be realized.
- the solution according to the invention makes it possible to implement a solution that can be implemented using simple means to provide a continuously operating stacking device that enables one of the stacking speed depending on the respective height levels of the top of the sheet stack to realize.
- the invention is explained in more detail below using an exemplary embodiment.
- the sheet feeder 1 has a conveyor belt 2 Belt table 3 arranged downstream.
- the conveyor belts 2 are supported by a belt roller 4 driven, with which a clock roller 5 corresponds, the machine cycle against the belt roller 4 is controlled.
- a stack lifting table 8 is arranged in the sheet feeder 1, e.g. guided by lifting chains 9 becomes.
- the lifting chains 9 are connected to an electric motor 10 via chain wheels (not shown) connected.
- the stacking lifting table 8 is raised or lowered by the electric motor 10.
- a sheet stack 7 consisting of the sheets 6 is arranged on the stack lifting table 8. Above the sheet stack 7 is a frame-connected to the sheet feeder 1 Suction head 11 is provided for separating and conveying the sheets 6.
- the suction head 11 separating suction cups 12, which capture the uppermost sheet 6 of the sheet stack 7, separate from the sheet stack 7 and to transport suction devices also provided in the suction head 11 Pass 13, which transport the sheet 6 in the conveying direction 14 until the in the conveying direction 14 from the lying part of the sheets 6 each from the active pairing of the clock roller 5 / belt roller 4 detected and through this or the downstream conveyor table 3 to a sheet processing Machine is transported. Furthermore, the altitude of the in the sheet feeder 1
- the top of the sheet stack 7 detecting device 15 provided in the embodiment is designed as a known feeler foot 16, which is cyclically against the top of the sheet stack 7 is performed. The device 15 detects the height of the top of the sheet stack 7 in a range between an upper level 20 and one lower level 21, in addition a zero position provided between these positions is detected.
- the control signals detected by the device 15 are an evaluation / control unit 17th fed.
- the control signals generated by the evaluation / control unit 17, which the controller 18th of an electric motor 10 designed as a servomotor 19 are influenced the gear ratio of the servo motor 19 such that it gradually increases or decreases becomes.
- a large gear factor a higher speed of the Servo motor 19 and thus realized a higher stacking speed, while at a reduction in the gear factor, the stack lifting speed is reduced, wherein it is possible to change the gear ratio in different increments.
- the separation of the uppermost sheet 6 from the sheet stack 7 by the separating suction device 12 usually takes place in a position midway between the upper level 20 and the lower level 21 is provided and is referred to as the zero position, the sheet stack 7 is continuously tracked to the extent that the sheets 6 are removed. If the stack lifting speed is too high, the top of the sheet stack 7 becomes by means 15 in the area between the zero position and the upper level 20 detected, the evaluation / control unit 17 and the controller 18 reduce the Gear factor of the servo motor 19 in small increments until the device 15 Top of the sheet stack 7 is detected as being in the zero position.
- the evaluation / Control unit 17 supplied.
- the means 22 can e.g. be trained as initiators.
- the control signals are supplied by these control signals to the evaluation / control unit 17 the device 15 reset and via the controller 18, the gear factor of the servo motor 19 set to an average.
- the sheet stack 7 is as long raised until the top of the sheet stack 7 by the device 15 in the zero position is detected and thus such a stack lifting speed is set that the stack lifting device works continuously.
- the height of the top of the sheet stack in the area below to integrate the lower level 21 detecting means 22 in the device 15 such that a device 15.1 on the one hand the height level of the sheet stack 7 between the upper one Level 20 and the zero position as well as between the zero position and the lower level 21 detected and thus the transmission factor via the evaluation / control unit 17 and the controller 18 influences that a continuous stacking stroke movement is realized, on the other hand with Falling below the lower level 21 or when the top of an arc stack approaches 7 from the area below the lower level 21 to the lower level 21 to control the evaluation / control unit 17 so that the evaluation / control unit 17 is reset and via the controller 18, the gear factor of the servo motor to an average is set.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
Description
- 1
- Bogenanleger
- 2
- Transportband
- 3
- Bändertisch
- 4
- Bänderwalze
- 5
- Taktwalze
- 6
- Bogen
- 7
- Bogenstapel
- 8
- Stapelhubtisch
- 9
- Hubkette
- 10
- Elektromotor
- 11
- Saugkopf
- 12
- Trennsauger
- 13
- Transportsauger
- 14
- Förderrichtung
- 15
- Einrichtung
- 15.1
- integrierte Einrichtung
- 16
- Tasterfuß
- 17
- Auswert/Steuereinheit
- 18
- Regler
- 19
- Servomotor
- 20
- oberes Niveau
- 21
- unteres Niveau
- 22
- Mittel
Claims (4)
- Einrichtung zum Steuern einer kontinuierlich arbeitenden Stapelhebevorrichtung einer bogenverarbeitenden Maschine,die Stapelhebevorrichtung ist durch eine die Höhenlage der Oberseite des Bogenstapels (7) in einem Bereich zwischen einem oberen Niveau (20) und einem unteren Niveau (21) erfassenden Einrichtung (15) derart beeinflußbar,daß die Steuersignale der Einrichtung (15) einer Auswert/Steuereinheit (17) zuführbar und in dieser speicherbarvon der Auswert/Steuereinheit (17) einem Regler (18) zuführbar sind,wobei durch den Regler (18) der elektrische Getriebefaktor eines die Stapelhebevorrichtung antreibenden Elektromotors (10) beeinflußbar und damit eine kontinuierliche Arbeitsweise der Stapelhebevorrichtung realisierbar istund zusätzlich Mittel (22) vorgesehen sind, die die Höhenlage der Oberseite des Bogenstapels (7) in einem unter dem unteren Niveau (21) liegenden Bereich erfassen und Steuersignale der Auswert/Steuereinheit (17) zuführen,wodurch ein Löschen der in der Auswert/Steuereinheit (17) gespeicherten Steuersignale der Einrichtung (15) und ein Einstellen des elektrischen Getriebefaktors des Elektromotors (10) auf einen Mittelwert erfolgt.
- Einrichtung nach Anspruch 1 mit als Initiatoren ausgebildeten Mitteln (22) zum Erfassen der Höhenlage der Oberseite des Bogenstapels (7) in einem Bereich unter dem unteren Niveau (21).
- Einrichtung nach Anspruch 1 und 2 mit als Näherungsinitiatoren ausgebildeten Mitteln (22) zum Erfassen der Annäherung der Oberfläche des Bogenstapels (7) aus einem unter dem unteren Niveau (21) liegenden Bereich an das untere Niveau (21).
- Einrichtung nach Anspruch 1 mit einer aus der die Oberseite des Bogenstapels (7) in einem Bereich zwischen dem oberen Niveau (20) und dem unteren Niveau (21) erfassenden Einrichtung (15) und aus den das Unterschreiten des unteren Niveaus (21) durch die Oberseite des Bogenstapels (7) sowie das Annähern der Oberfläche eines Bogenstapels (7) aus einem unter dem unteren Niveau (21) liegenden Bereich an das untere Niveau (21) erfassenden Mitteln (22) bestehenden integrierten Einrichtung (15.1).
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59900930T DE59900930D1 (de) | 1999-04-17 | 1999-04-17 | Einrichtung zum Steuern einer kontinuierlich arbeitenden stapelhebevorrichtung |
EP19990107714 EP1059252B1 (de) | 1999-04-17 | 1999-04-17 | Einrichtung zum Steuern einer kontinuierlich arbeitenden stapelhebevorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19990107714 EP1059252B1 (de) | 1999-04-17 | 1999-04-17 | Einrichtung zum Steuern einer kontinuierlich arbeitenden stapelhebevorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1059252A1 true EP1059252A1 (de) | 2000-12-13 |
EP1059252B1 EP1059252B1 (de) | 2002-03-06 |
Family
ID=8237989
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19990107714 Expired - Lifetime EP1059252B1 (de) | 1999-04-17 | 1999-04-17 | Einrichtung zum Steuern einer kontinuierlich arbeitenden stapelhebevorrichtung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1059252B1 (de) |
DE (1) | DE59900930D1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008032717A1 (de) | 2008-07-11 | 2010-01-14 | Koenig & Bauer Aktiengesellschaft | Leistungsausgleich in Bogen verarbeitenden Maschinen |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2265648A1 (de) * | 1974-03-28 | 1975-10-24 | Polygraph Leipzig | |
US4052051A (en) * | 1975-07-10 | 1977-10-04 | Pitney-Bowes, Inc. | Sheet feeder |
DE3631456A1 (de) * | 1986-09-16 | 1988-03-24 | Heidelberger Druckmasch Ag | Einrichtung zum steuern einer stapelhebevorrichtung |
DE4110969C1 (de) * | 1991-04-05 | 1992-05-27 | Georg Spiess Gmbh, 8906 Gersthofen, De | |
DE4410384C1 (de) * | 1994-03-25 | 1995-05-24 | Roland Man Druckmasch | Steuerung für eine Stapelhubvorrichtung |
DE19653274A1 (de) * | 1995-12-29 | 1997-07-03 | Eastman Kodak Co | Steuerung einer Auflagefläche für einen Blattstapel |
-
1999
- 1999-04-17 EP EP19990107714 patent/EP1059252B1/de not_active Expired - Lifetime
- 1999-04-17 DE DE59900930T patent/DE59900930D1/de not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2265648A1 (de) * | 1974-03-28 | 1975-10-24 | Polygraph Leipzig | |
US4052051A (en) * | 1975-07-10 | 1977-10-04 | Pitney-Bowes, Inc. | Sheet feeder |
DE3631456A1 (de) * | 1986-09-16 | 1988-03-24 | Heidelberger Druckmasch Ag | Einrichtung zum steuern einer stapelhebevorrichtung |
DE4110969C1 (de) * | 1991-04-05 | 1992-05-27 | Georg Spiess Gmbh, 8906 Gersthofen, De | |
DE4410384C1 (de) * | 1994-03-25 | 1995-05-24 | Roland Man Druckmasch | Steuerung für eine Stapelhubvorrichtung |
DE19653274A1 (de) * | 1995-12-29 | 1997-07-03 | Eastman Kodak Co | Steuerung einer Auflagefläche für einen Blattstapel |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008032717A1 (de) | 2008-07-11 | 2010-01-14 | Koenig & Bauer Aktiengesellschaft | Leistungsausgleich in Bogen verarbeitenden Maschinen |
Also Published As
Publication number | Publication date |
---|---|
EP1059252B1 (de) | 2002-03-06 |
DE59900930D1 (de) | 2002-04-11 |
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