EP3461606A1 - Punch or embossing and sheet processing method - Google Patents

Punch or embossing and sheet processing method Download PDF

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Publication number
EP3461606A1
EP3461606A1 EP17194373.1A EP17194373A EP3461606A1 EP 3461606 A1 EP3461606 A1 EP 3461606A1 EP 17194373 A EP17194373 A EP 17194373A EP 3461606 A1 EP3461606 A1 EP 3461606A1
Authority
EP
European Patent Office
Prior art keywords
sheet
processed
station
conveyor
punching
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
EP17194373.1A
Other languages
German (de)
French (fr)
Other versions
EP3461606B1 (en
Inventor
Steffen Pieper
Jan GOCKEL
Raik FREUDENBERG
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.)
KAMA GmbH
Original Assignee
KAMA GmbH
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 KAMA GmbH filed Critical KAMA GmbH
Priority to EP17194373.1A priority Critical patent/EP3461606B1/en
Priority to US16/130,518 priority patent/US10821624B2/en
Priority to CN201811119194.1A priority patent/CN109591100B/en
Publication of EP3461606A1 publication Critical patent/EP3461606A1/en
Application granted granted Critical
Publication of EP3461606B1 publication Critical patent/EP3461606B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B31B50/142—Cutting, e.g. perforating, punching, slitting or trimming using presses or dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/10—Reciprocating or oscillating grippers, e.g. suction or gripper tables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B26D2007/322—Means for performing other operations combined with cutting for conveying or stacking cut product the cut products being sheets, e.g. sheets of paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0702—Embossing by tools working discontinuously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/50—Gripping means
    • B65H2405/55—Rail guided gripping means running in closed loop, e.g. without permanent interconnecting means
    • 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
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • 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
    • B65H2801/42—Die-cutting

Definitions

  • the invention relates to improvements and further developments of punching or embossing machines and sheet processing methods that are executable with such punching or embossing machines.
  • a device for punching sheet material in particular of paper or cardboard understood, with at least one investment station, are provided in the sheets to be processed, a processing area in which by interaction of a stamping or embossing tool and a Gegenplatte the sheets to be processed are processed, and a delivery station, are stored in the processed sheets, the sheets moved by a sheet transport device individually and successively from the investment station to the processing station in the processing station exposed to the action of the punching or embossing tool and then from the processing station are moved to the delivery station.
  • EP 1 466 851 A2 describes in paragraph [0003] a known punching machine, in which a continuous, at least two working positions, laterally of the path of the punching sheets extending gripper tongs two punching sheets detected each side and transported together to each next working position, in which case the gripper after storing the stamping sheets returns to the starting position. Because the gripper tongs grips and holds both sheets at the same time, both sheets can only be stored simultaneously. With such an arrangement, the proper storage of an already processed sheet in the delivery station is only possible if the sheets are stored there on a stationary surface, for example, stacked one above the other. This implies that the sheets must then be removed from the delivery station also again one after the other, for example, to break through the punching cut out of the sheet benefits and separate from the waste. This results in a considerable time delay.
  • the proposed method makes it possible to store the two sheets independently of each other, thereby speeding up the entire process especially by providing in the delivery station with a conveyor continuously operating conveyor for further transport of a sheet is provided on the the edited sheet is dropped.
  • the already processed, ie stamped or / and embossed sheets must now be accelerated in the delivery station from standstill again or be deducted separately from a stack to the benefits of the waste break out and separate from this, but the sheets can be forwarded without interruption directly to a subsequently arranged in the sheet transport path to the delivery station Ausbrechstation, slipping of the sheet on the conveyor is prevented by the storage of the sheet on the conveyor from the movement out, whereby a substantial increase in productivity can be achieved.
  • the sheet to be processed and the processed sheet are moved at a transport speed, at least when depositing, i. at the moment of depositing the processed sheet in the delivery station at least approximately corresponds to the conveying speed of the conveyor, because the lower the relative speed between the conveyor and the processed sheet deposited thereon at the moment of depositing, the lower the inclination of the processed sheet on the Conveyor to slip.
  • the risk of accidental slippage of the sheet deposited on the conveyor may be further contained by holding the processed sheet on the conveyor by creating an air pressure differential between a top and a bottom of the sheet, for example by creating a vacuum at the bottom of the sheet so that the sheet is pressed by the surrounding air pressure on the conveyor.
  • the processed sheet is held on the conveyor by the generation of at least one force acting on an upper side of the sheet, for example by means of a Downholder, which is held with a distance above the conveyor, which corresponds to the thickness of the transported sheet.
  • the proposed punching or embossing machine further takes into account the fact that the sheet to be processed must be stored very accurately in the processing station, which is realized in that the sheet gripper releases the sheet only when it has come to a standstill at the second turning point.
  • the sheet gripper may, for example, at least two separately controllable gripping elements, so that one of the gripping elements releases the sheet to be processed after stopping the sheet gripper in the processing station and the other gripping element releases the processed sheet from the movement even before reaching the second reversing position.
  • Gripping elements in this sense, for example, gripping tongs, suction pads, etc. be.
  • the sheet gripper may have a common base rail, with which cooperate the at least two gripping elements to either jointly or independently of each take a sheet and then either together or independently from each store a sheet.
  • a common base rail with which cooperate the at least two gripping elements to either jointly or independently of each take a sheet and then either together or independently from each store a sheet.
  • the further transport of the processed sheet from the delivery station can be realized, for example, by a second sheet gripping device arranged behind the processing station.
  • a conveyor which operates continuously at a conveying speed is arranged in the delivery station for the further transport of a sheet.
  • a conveyor may for example be a roller conveyor comprising a plurality of transversely arranged to the transport direction transport rollers, which are arranged in a horizontal plane one behind the other and whose uppermost generatrices define a transport plane for the processed sheets.
  • it may be a belt or belt conveyor having a flat conveyor belt or one or more relatively narrow conveyor belt, which are guided around at least two guide rollers or pulleys and define the upper run each of the transport plane of the sheets.
  • the sheet gripper moves between the first reversing position and the second reversing position at a transport speed, at least when depositing, ie at the moment of depositing the processed sheet in the delivery station corresponds at least approximately to the conveying speed of the conveyor, as has already been explained in more detail above with reference to the proposed method.
  • the conveyor is designed to generate a negative pressure at the bottom of the sheet.
  • the conveyor is a belt conveyor with a perforated belt and a suction box arranged underneath.
  • at least one pressing means acting on an upper side of the sheet for example one or more pinch rollers, may be arranged above the conveyor.
  • the at least two gripping elements are operatively connected to a jointly acting actuating device for gripping the respective sheet as well as with separately acting actuating devices for depositing the respective sheet.
  • FIG. 1 to 8 various process steps on a punching or embossing machine.
  • the in the Fig. 1 to 8 illustrated punching or embossing machine 1 comprises a discontinuous operating station 11, a discontinuous working station 12 and a continuously operating delivery station 13. Side next to the docking station 11, the processing station 12 and the delivery station 13 and thus parallel to a sheet transport path, along the sheets 31, 32 are moved by the punching or embossing machine 1, extending for gripping, moving and releasing two sheets 31, 32 formed sheet transport device, which is arranged parallel to a sheet transport path linear guide 24 and along the linear guide 24 between a first reversal positions and a second Reversing positions back and forth movable bow gripper device with a common base rail 23, which is the lower rail in the embodiment, and two separately controllable gripping elements 21, 22, which are in the exemplary embodiment partial rails of the upper rail, with the common base rail 23 cooperate to each take a sheet 31, 32 at a lateral edge.
  • a sheet stack 4 is arranged in the region of the plant station 11, through which the sheets 31 to be processed on the machine provided and the investment station 11 are fed individually.
  • Fig. 1 the sheet gripper is arranged in a first reversing position in which a first gripping member 21 for gripping a sheet 31 to be processed in the abutment station 11 and a second gripping member 22 for gripping a processed sheet 32 in the processing station 12 is positioned. Both gripping elements 21, 22 are open and thus ready for gripping a respective sheet 31, 32 ready.
  • Fig. 2 shows how a sheet 31 to be processed is removed from the sheet stack 4 and moved transversely to the sheet transport path in the investment station 11, while in the processing station 12 an already processed, ie embossed or punched sheet 32 is such that it is gripped by the second gripping member 22 can.
  • Fig. 3 is also the sheet to be processed 31 in the docking station 11 come to rest so that it can be grasped by the first gripping member 21.
  • Fig. 4 shows how the first gripping member 21 engages the lying in the docking station 11 to be processed sheet 31 and the second gripping member 22 engages the lying in the processing station 12 machined sheet 32.
  • the gripping takes place at the same time by both gripping elements 21, 22 are closed simultaneously by a common actuator, so that both arches 31, 32 are gripped on a lateral, ie parallel to the sheet transport path extending edge.
  • Fig. 5 shows how the sheet gripper with the closed gripping members 21, 22 and two sheets 31, 32 is moved from the first reversing position toward the second reversing position.
  • Fig. 6 Fig. 2 illustrates how the second gripping member 22 is opened by a separate actuator and deposits the processed sheet 32 on a continuous conveyor arranged in the delivery station 13, which moves at the same speed as the sheet gripper as the sheet gripper approaches the second reversing position; ie even before the second reversing position is reached. From this point on, only the sheet to be processed 31 is moved by the first gripping member 21 of the sheet gripper, while the processed sheet 32 is moved by the continuous conveyor.
  • Fig. 7 shows the moment in which the sheet gripper reaches the second reversing position and stops there.
  • the first gripping member 21 deposits the sheet 31 to be processed in the processing station 12 by opening the first gripping member 21 by a separate operating means. Both gripping elements 21, 22 are now open, and the processed sheet 32 is moved by the arranged in the delivery station 13 continuous conveyor.
  • Fig. 8 shows the processed sheet 32 on the conveyor, the punching or embossing machine 1, for example, to be supplied to a breaking station, while the sheet gripper with the two gripping elements 21, 22 is moved back to the first reversing position and the sheet to be processed 31 in the processing station 12 edited, ie embossed or stamped. Then repeat the steps described again.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)

Abstract

Die Erfindung betrifft ein Bogenbearbeitungsverfahren für Bögen aus Papier oder Karton, bei dem ein zu bearbeitender Bogen (31) in der Bearbeitungsstation (12) erst zum Stillstand gebracht und dann abgelegt wird, während der bearbeitete Bogen (32) in der Auslagestation (13) aus der Bewegung heraus abgelegt wird, sowie eine Stanz- oder Prägemaschine (1) mit einer Anlagestation (11), einer Bearbeitungsstation (12) und einer Auslagestation (13), die in einem Bogentransportpfad hintereinander angeordnet sind, und mit einer Bogengreifeinrichtung (21, 22, 23), die dazu ausgebildet ist, einen zu bearbeitenden Bogen (31) in der Bearbeitungsstation (12) abzulegen, wenn die Bogengreifeinrichtung (21, 22, 23) in einer zweiten Umkehrposition zum Stillstand gekommen ist, und einen bearbeiteten Bogen (32) in der Auslagestation (13) abzulegen, während sich die Bogengreifeinrichtung (21, 22, 23) der zweiten Umkehrposition nähert.

Figure imgaf001
The invention relates to a sheet processing method for sheets of paper or cardboard, in which a sheet to be processed (31) in the processing station (12) is first brought to a standstill and then stored while the processed sheet (32) in the delivery station (13) a punching or embossing machine (1) with a plant station (11), a processing station (12) and a delivery station (13), which are arranged in a sheet transport path behind one another, and with a sheet gripping device (21, 22 , 23) adapted to deposit a sheet (31) to be processed in the processing station (12) when the sheet gripping device (21, 22, 23) has come to a standstill in a second reversing position, and a processed sheet (32) in the delivery station (13), while the sheet gripper (21, 22, 23) approaches the second reversing position.
Figure imgaf001

Description

Die Erfindung betrifft Verbesserungen und Weiterentwicklungen an Stanz- oder Prägemaschinen und Bogenbearbeitungsverfahren, die mit solchen Stanz- oder Prägemaschinen ausführbar sind.The invention relates to improvements and further developments of punching or embossing machines and sheet processing methods that are executable with such punching or embossing machines.

Unter einer Stanz- oder Prägemaschine wird eine Vorrichtung zum Stanzen von bogenförmigem Material, insbesondere aus Papier oder Karton, verstanden, mit wenigstens einer Anlagestation, in der zu bearbeitende Bögen bereitgestellt werden, einem Bearbeitungsbereich, in dem durch Zusammenwirken eines Stanz- oder Prägewerkzeugs und einer Gegenplatte die zu bearbeitenden Bögen bearbeitet werden, und einer Auslagestation, in der bearbeitete Bögen abgelegt werden, wobei die Bögen durch eine Bogentransporteinrichtung einzeln und schrittweise nacheinander von der Anlagestation zur Bearbeitungsstation bewegt, in der Bearbeitungsstation der Einwirkung des Stanz- oder Prägewerkzeugs ausgesetzt und anschließend von der Bearbeitungsstation zur Auslagestation bewegt werden.Under a punching or embossing machine, a device for punching sheet material, in particular of paper or cardboard understood, with at least one investment station, are provided in the sheets to be processed, a processing area in which by interaction of a stamping or embossing tool and a Gegenplatte the sheets to be processed are processed, and a delivery station, are stored in the processed sheets, the sheets moved by a sheet transport device individually and successively from the investment station to the processing station in the processing station exposed to the action of the punching or embossing tool and then from the processing station are moved to the delivery station.

EP 1 466 851 A2 beschreibt in Absatz [0003] eine bekannte Stanzmaschine, bei der eine durchgehende, wenigstens über zwei Arbeitspositionen, seitlich der Bewegungsbahn der Stanzbögen verlaufende Greiferzange zwei Stanzbögen seitlich jeweils erfasst und gemeinsam zur jeweils nächsten Arbeitsposition transportiert, wobei dann die Greiferzange nach Ablage der Stanzbögen wieder in die Ausgangsposition zurückkehrt. Weil die Greiferzange beide Bögen gleichzeitig ergreift und hält, können beide Bögen auch nur gleichzeitig abgelegt werden. Mit einer derartigen Anordnung ist die ordnungsgemäße Ablage eines bereits bearbeiteten Bogens in der Auslagestation nur dann möglich, wenn die Bögen dort auf einem ruhenden Untergrund abgelegt, beispielsweise übereinander gestapelt werden. Dies bedingt, dass die Bögen danach aus der Auslagestation auch wieder einzeln nacheinander entnommen werden müssen, beispielsweise um durch das Stanzen aus dem Bogen geschnittenen Nutzen auszubrechen und vom Abfall zu trennen. Hierdurch ergibt sich eine erhebliche zeitliche Verzögerung. EP 1 466 851 A2 describes in paragraph [0003] a known punching machine, in which a continuous, at least two working positions, laterally of the path of the punching sheets extending gripper tongs two punching sheets detected each side and transported together to each next working position, in which case the gripper after storing the stamping sheets returns to the starting position. Because the gripper tongs grips and holds both sheets at the same time, both sheets can only be stored simultaneously. With such an arrangement, the proper storage of an already processed sheet in the delivery station is only possible if the sheets are stored there on a stationary surface, for example, stacked one above the other. This implies that the sheets must then be removed from the delivery station also again one after the other, for example, to break through the punching cut out of the sheet benefits and separate from the waste. This results in a considerable time delay.

Ausgehend von diesem Stand der Technik sollen ein verbessertes Bogenbearbeitungsverfahren sowie eine verbesserte Stanz- oder Prägemaschine angegeben werden, mit denen eine gleichmäßigere und schnellere Weiterverarbeitung der Bögen ermöglicht wird.Based on this prior art, an improved sheet processing method and an improved punching or embossing machine are to be specified, which allows a more even and faster processing of the sheets.

Diese Aufgabe wird verfahrensseitig durch ein Bogenbearbeitungsverfahren mit den Merkmalen des Anspruchs 1 und vorrichtungsseitig durch eine Stanz- oder Prägemaschine mit den Merkmalen des Anspruchs 6 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen sind Gegenstand der abhängigen Ansprüche.This object is achieved on the method side by a sheet processing method with the features of claim 1 and on the device side by a punching or embossing machine with the features of claim 6. Advantageous embodiments and further developments are the subject of the dependent claims.

Vorgeschlagen wird daher zunächst ein Bogenbearbeitungsverfahren für Bögen aus Papier, Karton, Kunststoff oder dergleichen, bei dem eine Anlagestation zur Bereitstellung zu bearbeitender Bögen, eine Bearbeitungsstation zur Bearbeitung eines darin angeordneten Bogens und eine Auslagestation zur Ablage bearbeiteter Bögen in einem Bogentransportpfad hintereinander bereitgestellt werden, und wiederholt nacheinander

  • in der Anlagestation ein zu bearbeitender Bogen und in der Bearbeitungsstation ein bereits bearbeiteter Bogen ergriffen wird,
  • der zu bearbeitende Bogen aus der Anlagestation in die Bearbeitungsstation bewegt und abgelegt wird und gleichzeitig der bearbeitete Bogen aus der Bearbeitungsstation in die Auslagestation bewegt und abgelegt wird, und
  • der in der Bearbeitungsstation befindliche zu bearbeitende Bogen bearbeitet wird, wobei
  • der zu bearbeitende Bogen in der Bearbeitungsstation erst zum Stillstand gebracht und dann abgelegt wird, während
  • der bearbeitete Bogen in der Auslagestation aus der Bewegung heraus abgelegt wird.
It is therefore proposed first a sheet processing method for sheets of paper, cardboard, plastic or the like, in which a plant station for providing sheets to be processed, a processing station for processing a sheet arranged therein and a delivery station for storing processed sheets are provided in a sheet transport path in succession, and repeatedly successively
  • in the investment station an arc to be processed and in the processing station an already processed sheet is taken,
  • the sheet to be processed is moved from the investment station into the processing station and stored, and at the same time the processed sheet is moved from the processing station into the delivery station and stored, and
  • edited in the processing station to be processed sheet is processed, wherein
  • the sheet to be processed in the processing station is first brought to a standstill and then stored while
  • the processed sheet is stored in the delivery station out of the movement.

Im Gegensatz zu den bisher bekannten Lösungen ermöglicht es das vorgeschlagene Verfahren, die beiden Bögen unabhängig voneinander abzulegen, wodurch eine Beschleunigung des gesamten Verfahrensablaufs insbesondere dadurch ermöglicht, dass in der Auslagestation ein mit einer Fördergeschwindigkeit kontinuierlich arbeitender Förderer zum Weitertransport eines Bogens bereitgestellt wird, auf den der bearbeitete Bogen abgelegt wird. Die bereits bearbeiteten, d.h. gestanzten oder/und geprägten Bögen müssen nun in der Auslagestation nicht mehr aus dem Stillstand erneut beschleunigt werden bzw. separat von einem Stapel abgezogen werden, um die Nutzen aus dem Abfall auszubrechen und von diesem zu trennen, sondern die Bögen können ohne Unterbrechung direkt an eine im Bogentransportpfad an die Auslagestation anschließend angeordnete Ausbrechstation weitergeleitet werden, wobei ein Verrutschen des Bogens auf dem Förderer dadurch verhindert wird, dass die Ablage des Bogens auf dem Förderer aus der Bewegung heraus erfolgt, wodurch eine wesentliche Erhöhung der Produktivität erreicht werden kann.In contrast to the previously known solutions, the proposed method makes it possible to store the two sheets independently of each other, thereby speeding up the entire process especially by providing in the delivery station with a conveyor continuously operating conveyor for further transport of a sheet is provided on the the edited sheet is dropped. The already processed, ie stamped or / and embossed sheets must now be accelerated in the delivery station from standstill again or be deducted separately from a stack to the benefits of the waste break out and separate from this, but the sheets can be forwarded without interruption directly to a subsequently arranged in the sheet transport path to the delivery station Ausbrechstation, slipping of the sheet on the conveyor is prevented by the storage of the sheet on the conveyor from the movement out, whereby a substantial increase in productivity can be achieved.

Besonders vorteilhaft kann dabei vorgesehen sein, dass der zu bearbeitende Bogen und der bearbeitete Bogen mit einer Transportgeschwindigkeit bewegt werden, die zumindest beim Ablegen, d.h. in dem Moment des Ablegens des bearbeiteten Bogens in der Auslagestation zumindest annähernd der Fördergeschwindigkeit des Förderers entspricht, denn je geringer die Relativgeschwindigkeit zwischen dem Förderer und dem darauf abgelegten bearbeiteten Bogen im Moment des Ablegens ist, desto geringer ist die Neigung des bearbeiteten Bogens, auf dem Förderer zu verrutschen.Particularly advantageous may be provided that the sheet to be processed and the processed sheet are moved at a transport speed, at least when depositing, i. at the moment of depositing the processed sheet in the delivery station at least approximately corresponds to the conveying speed of the conveyor, because the lower the relative speed between the conveyor and the processed sheet deposited thereon at the moment of depositing, the lower the inclination of the processed sheet on the Conveyor to slip.

Die Gefahr eines ungewollten Verrutschens des auf dem Förderer abgelegten Bogens kann weiter dadurch eingedämmt werden, dass der bearbeitete Bogen durch Erzeugung einer Luftdruckdifferenz zwischen einer Oberseite und einer Unterseite des Bogens auf dem Förderer gehalten wird, beispielsweise indem an der Unterseite des Bogens ein Unterdruck erzeugt wird, so dass der Bogen durch den umgebenden Luftdruck auf den Förderer gedrückt wird. Alternativ oder zusätzlich kann vorgesehen sein, dass der bearbeitete Bogen durch die Erzeugung mindestens einer auf eine Oberseite des Bogens einwirkenden Kraft auf dem Förderer gehalten wird, beispielsweise durch einen Niederhalter, der mit einem Abstand über dem Förderer gehalten wird, welcher der Dicke des transportierten Bogens entspricht.The risk of accidental slippage of the sheet deposited on the conveyor may be further contained by holding the processed sheet on the conveyor by creating an air pressure differential between a top and a bottom of the sheet, for example by creating a vacuum at the bottom of the sheet so that the sheet is pressed by the surrounding air pressure on the conveyor. Alternatively or additionally, it can be provided that the processed sheet is held on the conveyor by the generation of at least one force acting on an upper side of the sheet, for example by means of a Downholder, which is held with a distance above the conveyor, which corresponds to the thickness of the transported sheet.

Zur Durchführung des Verfahrens wird weiterhin eine Stanz- oder Prägemaschine vorgeschlagen, die

  • in einem Bogentransportpfad hintereinander angeordnet eine Anlagestation, eine Bearbeitungsstation und eine Auslagestation, und
  • eine zum Ergreifen, Bewegen und Ablegen zweier Bögen ausgebildete Bogentransporteinrichtung umfasst, die mindestens eine parallel zu dem Bogentransportpfad angeordnete Linearführung und eine entlang der Linearführung zwischen einer ersten Umkehrpositionen und einer zweiten Umkehrpositionen hin und her bewegbare Bogengreifeinrichtung aufweist, wobei
  • in der ersten Umkehrposition die Bogengreifeinrichtung in der Anlagestation und in der Bearbeitungsstation positioniert ist, um je einen Bogen zu ergreifen, und
  • in der zweiten Umkehrposition die Bogengreifeinrichtung in der Bearbeitungsstation und in der Auslagestation positioniert ist, um je einen Bogen abzulegen, wobei
  • die Bogengreifeinrichtung dazu ausgebildet ist, einen Bogen in der Bearbeitungsstation abzulegen, wenn die Bogengreifeinrichtung in der zweiten Umkehrposition zum Stillstand gekommen ist, und einen Bogen in der Auslagestation abzulegen, während sich die Bogengreifeinrichtung der zweiten Umkehrposition nähert.
To carry out the method, a punching or embossing machine is further proposed, the
  • arranged in a sheet transport path one behind the other a plant station, a processing station and a delivery station, and
  • a sheet transport device designed to grip, move and deposit two sheets, comprising at least one arranged parallel to the sheet transport path linear guide and along the linear guide between a first reversing positions and a second reversing positions reciprocally movable sheet gripper, wherein
  • in the first reversing position, the sheet gripping device is positioned in the abutting station and in the processing station to respectively grasp an arc, and
  • in the second reversing position, the sheet gripping device is positioned in the processing station and in the delivery station to each drop a sheet, wherein
  • the sheet gripper is adapted to deposit a sheet in the processing station when the sheet gripper has come to a standstill in the second reversing position and to deposit a sheet in the delivery station while the sheet gripper approaches the second reversing position.

Die vorgeschlagene Stanz- oder Prägemaschine trägt weiterhin der Tatsache Rechnung, dass der zu bearbeitende Bogen in der Bearbeitungsstation sehr passgenau abgelegt werden muss, was dadurch realisiert wird, dass die Bogengreifeinrichtung den Bogen erst freigibt, wenn sie im zweiten Umkehrpunkt zum Stillstand gekommen ist.The proposed punching or embossing machine further takes into account the fact that the sheet to be processed must be stored very accurately in the processing station, which is realized in that the sheet gripper releases the sheet only when it has come to a standstill at the second turning point.

Demgegenüber wird der aus der Bearbeitungsstation entnommene, bereits bearbeitete Bogen von der Bogengreifeinrichtung bereits während der Bewegung freigegeben, wodurch ein nahtloser Weitertransport ermöglicht wird. Dieser Weitertransport kann beispielsweise durch eine hinter der Bearbeitungsstation angeordnete zweite Bogengreifeinrichtung realisiert sein, welche den Bogen noch während der Bewegung der ersten Bogengreifeinrichtung von dieser übernimmt.In contrast, the already removed from the processing station, already processed sheet is released by the sheet gripper already during the movement, whereby a seamless onward transport is possible. This further transport can be realized, for example, by a second sheet gripper arranged behind the processing station, which still takes over the sheet from it during the movement of the first sheet gripper.

Die Bogengreifeinrichtung kann beispielsweise mindestens zwei getrennt voneinander steuerbare Greifelemente aufweisen, so dass eines der Greifelemente den zu bearbeitenden Bogen nach dem Stillstand der Bogengreifeinrichtung in der Bearbeitungsstation freigibt und das andere Greifelement den bearbeiteten Bogen aus der Bewegung heraus noch vor Erreichen der zweiten Umkehrposition freigibt. Greifelemente in diesem Sinne können beispielsweise Greifzangen, Sauggreifer usw. sein.The sheet gripper may, for example, at least two separately controllable gripping elements, so that one of the gripping elements releases the sheet to be processed after stopping the sheet gripper in the processing station and the other gripping element releases the processed sheet from the movement even before reaching the second reversing position. Gripping elements in this sense, for example, gripping tongs, suction pads, etc. be.

Beispielsweise kann die Bogengreifeinrichtung eine gemeinsame Grundschiene aufweisen, mit der die mindestens zwei Greifelemente zusammenwirken, um entweder gemeinsam oder unabhängig voneinander je einen Bogen zu ergreifen und anschließend entweder gemeinsam oder unabhängig voneinander je einen Bogen abzulegen. Am Beispiel des Standes der Technik gemäß EP 1 466 851 A2 erläutert könnte also die Oberschiene, die relativ zu der Unterschiene zwischen einer Schließstellung, in der die beiden Bögen festgeklemmt sind, und einer Öffnungsstellung, in der die beiden Bögen freigegeben werden, hin und her bewegbar ist, in zwei Teilschienen unterteilt sein, die separat ansteuerbar sind, um den jeweiligen Bogen individuell ergreifen oder/und loslassen zu können.For example, the sheet gripper may have a common base rail, with which cooperate the at least two gripping elements to either jointly or independently of each take a sheet and then either together or independently from each store a sheet. The example of the state of Technique according to EP 1 466 851 A2 Thus, the upper rail, which can be moved back and forth relative to the lower rail between a closed position in which the two sheets are clamped, and an open position in which the two sheets are released, could be divided into two partial rails, which can be actuated separately are to individually grasp the respective bow and / or let go.

Wie oben bereits beschrieben kann der Weitertransport des bearbeiteten Bogens aus der Auslagestation beispielsweise durch eine hinter der Bearbeitungsstation angeordnete zweite Bogengreifeinrichtung realisiert sein. Alternativ und besonders vorteilhaft kann jedoch auch vorgesehen sein, dass in der Auslagestation ein mit einer Fördergeschwindigkeit kontinuierlich arbeitender Förderer zum Weitertransport eines Bogens angeordnet ist. Ein solcher Förderer kann beispielsweise ein Walzenförderer sein, der eine Mehrzahl von quer zur Transportrichtung angeordneten Transportwalzen umfasst, die in einer horizontalen Ebene hintereinander angeordnet sind und deren oberste Mantellinien eine Transportebene für die bearbeiteten Bögen definieren. Alternativ kann es sich um einen Band- oder Riemenförderer handeln, der ein flächiges Transportband oder einen oder mehrere relativ schmale Transportriemen aufweist, die um mindestens zwei Umlenkwalzen oder Umlenkrollen geführt sind und deren Obertrums jeweils die Transportebene der Bögen definieren.As already described above, the further transport of the processed sheet from the delivery station can be realized, for example, by a second sheet gripping device arranged behind the processing station. Alternatively and particularly advantageously, however, it can also be provided that a conveyor which operates continuously at a conveying speed is arranged in the delivery station for the further transport of a sheet. Such a conveyor may for example be a roller conveyor comprising a plurality of transversely arranged to the transport direction transport rollers, which are arranged in a horizontal plane one behind the other and whose uppermost generatrices define a transport plane for the processed sheets. Alternatively, it may be a belt or belt conveyor having a flat conveyor belt or one or more relatively narrow conveyor belt, which are guided around at least two guide rollers or pulleys and define the upper run each of the transport plane of the sheets.

Vorteilhaft ist vorgesehen, dass die Bogengreifeinrichtung sich zwischen der ersten Umkehrposition und der zweiten Umkehrposition mit einer Transportgeschwindigkeit bewegt, die zumindest beim Ablegen, d.h. in dem Moment des Ablegens des bearbeiteten Bogens in der Auslagestation zumindest annähernd der Fördergeschwindigkeit des Förderers entspricht, wie oben bereits mit Bezug zum vorgeschlagenen Verfahren näher erläutert wurde.It is advantageously provided that the sheet gripper moves between the first reversing position and the second reversing position at a transport speed, at least when depositing, ie at the moment of depositing the processed sheet in the delivery station corresponds at least approximately to the conveying speed of the conveyor, as has already been explained in more detail above with reference to the proposed method.

Weiter vorteilhaft kann vorgesehen sein, dass der Förderer zur Erzeugung eines Unterdrucks an der Unterseite des Bogens ausgebildet ist. Dies kann beispielsweise dadurch realisiert sein, dass der Förderer ein Bandförderer mit einem perforierten Band und einem darunter angeordneten Saugkasten ist. Alternativ oder zusätzlich kann oberhalb des Förderers mindestens ein auf eine Oberseite des Bogens einwirkendes Andruckmittel, beispielsweise eine oder mehrere Andruckrollen, angeordnet sein.Further advantageously, it can be provided that the conveyor is designed to generate a negative pressure at the bottom of the sheet. This can for example be realized in that the conveyor is a belt conveyor with a perforated belt and a suction box arranged underneath. Alternatively or additionally, at least one pressing means acting on an upper side of the sheet, for example one or more pinch rollers, may be arranged above the conveyor.

Schließlich kann bei der vorgeschlagenen Stanz- oder Prägemaschine vorgesehen sein, dass die mindestens zwei Greifelemente mit einer gemeinsam wirkenden Betätigungseinrichtung zum Ergreifen des jeweiligen Bogens sowie mit getrennt wirkenden Betätigungseinrichtungen zum Ablegen des jeweiligen Bogens in Wirkverbindung stehen. Dadurch wird auf einfache Weise sichergestellt, dass beide Greifelemente in der ersten Umkehrposition die beiden Bögen gleichzeitig ergreifen, wodurch das Verharren der Bogengreifeinrichtung in dieser Position auf die geringstmögliche Dauer begrenzt werden kann. Am Ende des Bewegungsvorgangs von der ersten zur zweiten Umkehrposition hingegen können die beiden Bögen zu unterschiedlichen Zeitpunkten freigegeben werden. So kann der bereits bearbeitete Bogen aus der Bewegung heraus in die Auslagestation abgelegt werden, während der noch zu bearbeitende Bogen erst nach dem Stillstand der Bogengreifeinrichtung in der Bearbeitungsstation abgelegt wird.Finally, it can be provided in the proposed punching or embossing machine, that the at least two gripping elements are operatively connected to a jointly acting actuating device for gripping the respective sheet as well as with separately acting actuating devices for depositing the respective sheet. This ensures in a simple manner that both gripping elements in the first reversing position, the two sheets seize simultaneously, whereby the persistence of the sheet gripper in this position can be limited to the least possible duration. At the end of the movement process from the first to the second reversal position, however, the two sheets can be released at different times. Thus, the already processed sheet can be stored out of the movement in the delivery station, while still to processing sheet is stored only after the standstill of the sheet gripper in the processing station.

Nachfolgend wird die Erfindung anhand eines Ausführungsbeispiels und zugehöriger Zeichnungen näher erläutert. Darin zeigen die Fig. 1 bis 8 verschiedene Verfahrensschritte an einer Stanz- oder Prägemaschine.The invention will be explained in more detail with reference to an embodiment and associated drawings. Therein show the Fig. 1 to 8 various process steps on a punching or embossing machine.

Die in den Fig. 1 bis 8 dargestellte Stanz- oder Prägemaschine 1 umfasst eine diskontinuierlich arbeitende Anlagestation 11, eine diskontinuierlich arbeitende Bearbeitungsstation 12 und eine kontinuierlich arbeitende Auslagestation 13. Seitlich neben der Anlagestation 11, der Bearbeitungsstation 12 und der Auslagestation 13 und damit parallel zu einem Bogentransportpfad, entlang dessen Bögen 31, 32 durch die Stanz- oder Prägemaschine 1 bewegt werden, erstreckt sich eine zum Greifen, Bewegen und Loslassen zweier Bögen 31, 32 ausgebildete Bogentransporteinrichtung, die eine parallel zu einem Bogentransportpfad angeordnete Linearführung 24 und eine entlang der Linearführung 24 zwischen einer ersten Umkehrpositionen und einer zweiten Umkehrpositionen hin und her bewegbare Bogengreifeinrichtung mit einer gemeinsamen Grundschiene 23, die im Ausführungsbeispiel die Unterschiene ist, und zwei separat ansteuerbaren Greifelementen 21, 22, die im Ausführungsbeispiel Teilschienen der Oberschiene sind, die mit der gemeinsamen Grundschiene 23 zusammenwirken, um je einen Bogen 31, 32 an einem seitlichen Rand zu ergreifen.The in the Fig. 1 to 8 illustrated punching or embossing machine 1 comprises a discontinuous operating station 11, a discontinuous working station 12 and a continuously operating delivery station 13. Side next to the docking station 11, the processing station 12 and the delivery station 13 and thus parallel to a sheet transport path, along the sheets 31, 32 are moved by the punching or embossing machine 1, extending for gripping, moving and releasing two sheets 31, 32 formed sheet transport device, which is arranged parallel to a sheet transport path linear guide 24 and along the linear guide 24 between a first reversal positions and a second Reversing positions back and forth movable bow gripper device with a common base rail 23, which is the lower rail in the embodiment, and two separately controllable gripping elements 21, 22, which are in the exemplary embodiment partial rails of the upper rail, with the common base rail 23 cooperate to each take a sheet 31, 32 at a lateral edge.

Seitlich neben der Stanz- oder Prägemaschine 1 ist im Bereich der Anlagestation 11 ein Bogenstapel 4 angeordnet, durch den die zu verarbeitenden Bögen 31 an der Maschine bereitgestellt und der Anlagestation 11 einzeln zugeführt werden.Laterally next to the punching or embossing machine 1, a sheet stack 4 is arranged in the region of the plant station 11, through which the sheets 31 to be processed on the machine provided and the investment station 11 are fed individually.

In Fig. 1 ist die Bogengreifeinrichtung in einer ersten Umkehrposition angeordnet, in welcher ein erstes Greifelement 21 zum Ergreifen eines zu bearbeitenden Bogens 31 in der Anlagestation 11 und ein zweites Greifelement 22 zum Ergreifen eines bearbeiteten Bogens 32 in der Bearbeitungsstation 12 positioniert ist. Beide Greifelemente 21, 22 sind geöffnet und somit zum Ergreifen je eines Bogens 31, 32 bereit.In Fig. 1 the sheet gripper is arranged in a first reversing position in which a first gripping member 21 for gripping a sheet 31 to be processed in the abutment station 11 and a second gripping member 22 for gripping a processed sheet 32 in the processing station 12 is positioned. Both gripping elements 21, 22 are open and thus ready for gripping a respective sheet 31, 32 ready.

Fig. 2 zeigt, wie ein zu bearbeitender Bogen 31 vom Bogenstapel 4 entnommen und quer zum Bogentransportpfad in die Anlagestation 11 bewegt wird, während in der Bearbeitungsstation 12 ein bereits bearbeiteter, d.h. geprägter oder gestanzter Bogen 32 so liegt, dass er von dem zweiten Greifelement 22 ergriffen werden kann. In Fig. 3 ist auch der zu bearbeitende Bogen 31 in der Anlagestation 11 so zum Liegen gekommen, dass er von dem ersten Greifelement 21 ergriffen werden kann. Fig. 2 shows how a sheet 31 to be processed is removed from the sheet stack 4 and moved transversely to the sheet transport path in the investment station 11, while in the processing station 12 an already processed, ie embossed or punched sheet 32 is such that it is gripped by the second gripping member 22 can. In Fig. 3 is also the sheet to be processed 31 in the docking station 11 come to rest so that it can be grasped by the first gripping member 21.

Fig. 4 zeigt, wie das erste Greifelement 21 den in der Anlagestation 11 liegenden zu bearbeitenden Bogen 31 ergreift und das zweite Greifelement 22 den in der Bearbeitungsstation 12 liegenden bearbeiteten Bogen 32 ergreift. Das Ergreifen erfolgt gleichzeitig, indem beide Greifelemente 21, 22 durch eine gemeinsame Betätigungseinrichtung gleichzeitig geschlossen werden, so dass beide Bögen 31, 32 an einem seitlichen, d.h. parallel zum Bogentransportpfad verlaufenden Rand ergriffen werden. Fig. 4 shows how the first gripping member 21 engages the lying in the docking station 11 to be processed sheet 31 and the second gripping member 22 engages the lying in the processing station 12 machined sheet 32. The gripping takes place at the same time by both gripping elements 21, 22 are closed simultaneously by a common actuator, so that both arches 31, 32 are gripped on a lateral, ie parallel to the sheet transport path extending edge.

Fig. 5 zeigt, wie die Bogengreifeinrichtung mit den geschlossenen Greifelementen 21, 22 und beiden Bögen 31, 32 aus der ersten Umkehrposition in Richtung auf die zweite Umkehrposition zu bewegt wird. In Fig. 6 ist dargestellt, wie das zweite Greifelement 22 durch eine separate Betätigungseinrichtung geöffnet wird und den bearbeiteten Bogen 32 auf einem in der Auslagestation 13 angeordneten kontinuierlichen Förderer ablegt, der sich mit der gleichen Geschwindigkeit bewegt wie die Bogengreifeinrichtung, während sich die Bogengreifeinrichtung der zweiten Umkehrposition nähert, d.h. noch bevor die zweite Umkehrposition erreicht ist. Von diesem Zeitpunkt an wird nur noch der zu bearbeitende Bogen 31 durch das erste Greifelement 21 der Bogengreifeinrichtung bewegt, während der bearbeitete Bogen 32 durch den kontinuierlichen Förderer weiterbewegt wird. Fig. 5 shows how the sheet gripper with the closed gripping members 21, 22 and two sheets 31, 32 is moved from the first reversing position toward the second reversing position. In Fig. 6 Fig. 2 illustrates how the second gripping member 22 is opened by a separate actuator and deposits the processed sheet 32 on a continuous conveyor arranged in the delivery station 13, which moves at the same speed as the sheet gripper as the sheet gripper approaches the second reversing position; ie even before the second reversing position is reached. From this point on, only the sheet to be processed 31 is moved by the first gripping member 21 of the sheet gripper, while the processed sheet 32 is moved by the continuous conveyor.

Fig. 7 zeigt den Moment, in dem die Bogengreifeinrichtung die zweite Umkehrposition erreicht und dort zum Stillstand kommt. Das erste Greifelement 21 legt den zu bearbeitenden Bogen 31 in der Bearbeitungsstation 12 ab, indem das erste Greifelement 21 durch eine separate Betätigungseinrichtung geöffnet wird. Beide Greifelemente 21, 22 sind jetzt geöffnet, und der bearbeitete Bogen 32 wird durch den in der Auslagestation 13 angeordneten kontinuierlichen Förderer weiterbewegt. Fig. 7 shows the moment in which the sheet gripper reaches the second reversing position and stops there. The first gripping member 21 deposits the sheet 31 to be processed in the processing station 12 by opening the first gripping member 21 by a separate operating means. Both gripping elements 21, 22 are now open, and the processed sheet 32 is moved by the arranged in the delivery station 13 continuous conveyor.

Wie Fig. 8 zeigt, verlässt der bearbeitete Bogen 32 auf dem Förderer die Stanz- oder Prägemaschine 1, beispielsweise um einer Ausbrechstation zugeführt zu werden, während die Bogengreifeinrichtung mit den beiden Greifelementen 21, 22 in die erste Umkehrposition zurückbewegt wird und der zu bearbeitende Bogen 31 in der Bearbeitungsstation 12 bearbeitet, d.h. geprägt oder gestanzt wird. Anschließend wiederholen sich die beschriebenen Schritte erneut.As Fig. 8 shows the processed sheet 32 on the conveyor, the punching or embossing machine 1, for example, to be supplied to a breaking station, while the sheet gripper with the two gripping elements 21, 22 is moved back to the first reversing position and the sheet to be processed 31 in the processing station 12 edited, ie embossed or stamped. Then repeat the steps described again.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Stanz- oder PrägemaschinePunching or embossing machine
1111
Anlagestationconditioning station
1212
Bearbeitungsstationprocessing station
1313
Auslagestationdelivery station
2121
erstes Greifelementfirst gripping element
2222
zweites Greifelementsecond gripping element
2323
gemeinsame Grundschienecommon base rail
2424
Linearführunglinear guide
3131
zu bearbeitender Bogento be processed sheet
3232
bearbeiteter Bogenprocessed bow
44
Bogenstapelsheet pile

Claims (14)

Bogenbearbeitungsverfahren für Bögen aus Papier, Karton, Kunststoff oder dergleichen, bei dem eine Anlagestation (11) zur Bereitstellung zu bearbeitender Bögen (31), eine Bearbeitungsstation (12) zur Bearbeitung eines darin angeordneten Bogens (31, 32) und eine Auslagestation (13) zur Ablage bearbeiteter Bögen (32) in einem Bogentransportpfad hintereinander bereitgestellt werden, und wiederholt nacheinander • in der Anlagestation (11) ein zu bearbeitender Bogen (31) und in der Bearbeitungsstation (12) ein bereits bearbeiteter Bogen (32) ergriffen wird, • der zu bearbeitende Bogen (31) aus der Anlagestation (11) in die Bearbeitungsstation (12) bewegt und abgelegt wird und der bearbeitete Bogen (32) aus der Bearbeitungsstation (12) in die Auslagestation (13) bewegt und abgelegt wird, und • der zu bearbeitende Bogen (31) in der Bearbeitungsstation (12) bearbeitet wird, wobei • der zu bearbeitende Bogen (31) in der Bearbeitungsstation (12) erst zum Stillstand gebracht und dann abgelegt wird, während • der bearbeitete Bogen (32) in der Auslagestation (13) aus der Bewegung heraus abgelegt wird. Sheet processing method for sheets of paper, cardboard, plastic or the like, wherein a planting station (11) for providing sheets to be processed (31), a processing station (12) for processing a sheet arranged therein (31, 32) and a delivery station (13) for depositing processed sheets (32) in a sheet transport path in succession, and repeated successively A sheet (31) to be processed is gripped in the abutment station (11) and an already processed sheet (32) is gripped in the processing station (12), The sheet (31) to be processed is moved and deposited from the abutment station (11) into the processing station (12) and the processed sheet (32) is moved and deposited from the processing station (12) into the delivery station (13), and The sheet (31) to be processed is processed in the processing station (12), in which • the sheet (31) to be processed in the processing station (12) is first brought to a standstill and then stored while The processed sheet (32) in the delivery station (13) is dropped out of the movement. Bogenbearbeitungsverfahren nach Anspruch 1, bei dem in der Auslagestation (13) ein mit einer Fördergeschwindigkeit kontinuierlich arbeitender Förderer zum Weitertransport eines Bogens bereitgestellt wird, auf den der bearbeitete Bogen (32) abgelegt wird.Sheet processing method according to claim 1, wherein in the delivery station (13) there is provided a conveyor continuously operating at a conveying speed for the further transport of a sheet on which the processed sheet (32) is deposited. Bogenbearbeitungsverfahren nach Anspruch 2, bei dem der zu bearbeitende Bogen (31) und der bearbeitete Bogen (32) mit einer Transportgeschwindigkeit bewegt werden, die zumindest beim Ablegen des bearbeiteten Bogens (32) in der Auslagestation (13) zumindest annähernd der Fördergeschwindigkeit des Förderers entspricht.Sheet processing method according to claim 2, wherein the sheet (31) to be processed and the processed sheet (32) are moved at a transport speed which at least approximately matches the conveying speed of the conveyor at least when the processed sheet (32) is deposited in the delivery station (13) , Bogenbearbeitungsverfahren nach Anspruch 2 oder 3, bei dem der bearbeitete Bogen (32) durch Erzeugung einer Luftdruckdifferenz zwischen einer Oberseite und einer Unterseite des bearbeiteten Bogens (32) auf dem Förderer gehalten wird.The sheet processing method according to claim 2 or 3, wherein the processed sheet (32) is held on the conveyor by creating an air pressure difference between a top and a bottom of the processed sheet (32). Bogenbearbeitungsverfahren nach einem der Ansprüche 2 bis 4, bei dem der bearbeitete Bogen (32) durch die Erzeugung mindestens einer auf eine Oberseite des bearbeiteten Bogens (32) einwirkenden Kraft auf dem Förderer gehalten wird.A sheet processing method according to any one of claims 2 to 4, wherein the processed sheet (32) is held on the conveyor by the generation of at least one force acting on an upper surface of the processed sheet (32). Stanz- oder Prägemaschine (1), umfassend • in einem Bogentransportpfad hintereinander angeordnet eine Anlagestation (11), eine Bearbeitungsstation (12) und eine Auslagestation (13), und • eine zum Ergreifen, Bewegen und Ablegen zweier Bögen (31, 32) ausgebildete Bogentransporteinrichtung, die mindestens eine parallel zu dem Bogentransportpfad angeordnete Linearführung (24) und eine entlang der Linearführung (24) zwischen einer ersten Umkehrpositionen und einer zweiten Umkehrpositionen hin und her bewegbare Bogengreifeinrichtung (21, 22, 23) aufweist, wobei • in der ersten Umkehrposition die Bogengreifeinrichtung (21, 22, 23) in der Anlagestation (11) und in der Bearbeitungsstation (12) positioniert ist, um je einen Bogen (31, 32) zu ergreifen, und • in der zweiten Umkehrposition die Bogengreifeinrichtung (21, 22, 23) in der Bearbeitungsstation (12) und in der Auslagestation (13) positioniert ist, um je einen Bogen (31, 32) abzulegen, wobei • die Bogengreifeinrichtung (21, 22, 23) dazu ausgebildet ist, einen zu bearbeitenden Bogen (31) in der Bearbeitungsstation (12) abzulegen, wenn die Bogengreifeinrichtung (21, 22, 23) in der zweiten Umkehrposition zum Stillstand gekommen ist, und einen bearbeiteten Bogen (32) in der Auslagestation (13) abzulegen, während sich die Bogengreifeinrichtung (21, 22, 23) der zweiten Umkehrposition nähert. Punching or embossing machine (1), comprising • arranged in a sheet transport path one behind the other a plant station (11), a processing station (12) and a delivery station (13), and A sheet conveying device designed to grasp, move and deposit two sheets (31, 32), which has at least one linear guide (24) arranged parallel to the sheet transport path and which is movable back and forth along the linear guide (24) between a first reversing position and a second reversing position Sheet gripping device (21, 22, 23), wherein • In the first reversing position, the sheet gripping device (21, 22, 23) in the investment station (11) and in the processing station (12) is positioned to each a sheet (31, 32) to take, and In the second reversing position, the sheet gripping device (21, 22, 23) is positioned in the processing station (12) and in the delivery station (13) to deposit a respective sheet (31, 32), wherein • The sheet gripping device (21, 22, 23) is adapted to store a sheet to be processed (31) in the processing station (12) when the sheet gripping device (21, 22, 23) has come to a standstill in the second reversing position, and a edited sheet (32) store in the delivery station (13), while the sheet gripper (21, 22, 23) approaches the second reversing position. Stanz- oder Prägemaschine nach Anspruch 6, bei der die Bogengreifeinrichtung (21, 22, 23) mindestens zwei getrennt voneinander steuerbare Greifelemente (21, 22) aufweist.Punching or embossing machine according to claim 6, wherein the sheet gripping device (21, 22, 23) has at least two separately controllable gripping elements (21, 22). Stanz- oder Prägemaschine nach Anspruch 7, bei der die Bogengreifeinrichtung (21, 22, 23) eine gemeinsame Grundschiene (23) aufweist, mit der die mindestens zwei Greifelemente (21, 22) zusammenwirken, um unabhängig voneinander je einen Bogen (31, 32) zu ergreifen oder/und unabhängig voneinander je einen Bogen (31, 32) abzulegen.Punching or embossing machine according to claim 7, in which the sheet gripping device (21, 22, 23) has a common base rail (23), with which the at least two gripping elements (21, 22) cooperate, independently of each other a respective bow (31, 32 ) and / or independently of each other a bow (31, 32) store. Stanz- oder Prägemaschine nach einem der Ansprüche 6 bis 8, bei der in der Auslagestation (13) ein mit einer Fördergeschwindigkeit kontinuierlich arbeitender Förderer zum Weitertransport eines Bogens (32) angeordnet ist.Punching or embossing machine according to one of claims 6 to 8, wherein in the delivery station (13) there is arranged a conveyor continuously operating at a conveying speed for the further transport of a sheet (32). Stanz- oder Prägemaschine nach einem der Ansprüche 6 bis 9, bei der die Bogengreifeinrichtung (21, 22, 23) sich zwischen der ersten Umkehrposition und der zweiten Umkehrposition mit einer Transportgeschwindigkeit bewegt, die zumindest beim Ablegen des bearbeiteten Bogens (32) in der Auslagestation (13) zumindest annähernd der Fördergeschwindigkeit des Förderers entspricht.Punching or embossing machine according to one of claims 6 to 9, wherein the sheet gripper (21, 22, 23) moves between the first reversing position and the second reversing position at a transport speed, at least when placing the processed sheet (32) in the delivery station (13) at least approximately the conveying speed of the conveyor equivalent. Stanz- oder Prägemaschine nach Anspruch 9 oder 10, bei der der Förderer zur Erzeugung eines Unterdrucks an der Unterseite des bearbeiteten Bogens (32) ausgebildet ist.Punching or embossing machine according to claim 9 or 10, wherein the conveyor for generating a negative pressure on the underside of the processed sheet (32) is formed. Stanz- oder Prägemaschine nach Anspruch 11, bei der der Förderer ein Bandförderer mit einem perforierten Band und einem darunter angeordneten Saugkasten ist.A punching or embossing machine according to claim 11, wherein the conveyor is a belt conveyor having a perforated belt and a suction box disposed thereunder. Stanz- oder Prägemaschine nach einem der Ansprüche 9 bis 12, bei dem oberhalb des Förderers mindestens ein auf eine Oberseite des bearbeiteten Bogens (32) einwirkendes Andruckmittel angeordnet ist.Punching or embossing machine according to one of claims 9 to 12, wherein above the conveyor at least one on a top of the processed sheet (32) acting pressure means is arranged. Stanz- oder Prägemaschine nach einem der Ansprüche 6 bis 13, bei dem die mindestens zwei Greifelemente (21, 22) mit einer gemeinsam wirkenden Betätigungseinrichtung zum Ergreifen des jeweiligen Bogens (31, 32) sowie mit getrennt wirkenden Betätigungseinrichtungen zum Ablegen des jeweiligen Bogens (31, 32) in Wirkverbindung stehen.Punching or embossing machine according to one of Claims 6 to 13, in which the at least two gripping elements (21, 22) are provided with a jointly acting actuating device for gripping the respective sheet (31, 32) and with separately acting actuating devices for depositing the respective sheet (31 , 32) are in operative connection.
EP17194373.1A 2017-10-02 2017-10-02 Punch or embossing and sheet processing method Active EP3461606B1 (en)

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EP17194373.1A EP3461606B1 (en) 2017-10-02 2017-10-02 Punch or embossing and sheet processing method
US16/130,518 US10821624B2 (en) 2017-10-02 2018-09-13 Punching or stamping machine and sheet processing method
CN201811119194.1A CN109591100B (en) 2017-10-02 2018-09-25 Punching or stamping machine and sheet processing method

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EP17194373.1A EP3461606B1 (en) 2017-10-02 2017-10-02 Punch or embossing and sheet processing method

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EP3461606A1 true EP3461606A1 (en) 2019-04-03
EP3461606B1 EP3461606B1 (en) 2021-04-28

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CN111996301B (en) * 2020-08-21 2021-10-22 苏州帅泽信息科技有限公司 Hexagonal leather cutting device for football production

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EP1466851A2 (en) 2003-04-11 2004-10-13 Jürgen Zimmel Device for punching

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CH582573A5 (en) * 1974-07-16 1976-12-15 Bobst Fils Sa J
DE19807587C1 (en) * 1998-02-23 1999-04-29 Manfred Vossen Paper handling machine having grip rods feed-advancing through one level
DE102006049111A1 (en) * 2006-10-18 2008-04-30 Heidelberger Druckmaschinen Ag Flatbed sheet punching machine
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DE1045778B (en) * 1955-05-24 1958-12-04 Bobst & Sohn A G J Automatic punching machine for sheet material
EP1466851A2 (en) 2003-04-11 2004-10-13 Jürgen Zimmel Device for punching

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CN109591100A (en) 2019-04-09
EP3461606B1 (en) 2021-04-28
CN109591100B (en) 2022-05-27
US10821624B2 (en) 2020-11-03
US20190099911A1 (en) 2019-04-04

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