EP1125874B1 - Gripper drum of a magazine for pile - Google Patents
Gripper drum of a magazine for pile Download PDFInfo
- Publication number
- EP1125874B1 EP1125874B1 EP01101176A EP01101176A EP1125874B1 EP 1125874 B1 EP1125874 B1 EP 1125874B1 EP 01101176 A EP01101176 A EP 01101176A EP 01101176 A EP01101176 A EP 01101176A EP 1125874 B1 EP1125874 B1 EP 1125874B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gripper
- drum
- cam follower
- cam
- actuating shaft
- 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.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- 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
- B65H5/12—Revolving grippers, e.g. mounted on arms, frames or cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/50—Driving mechanisms
- B65H2403/51—Cam mechanisms
- B65H2403/512—Cam mechanisms involving radial plate cam
Definitions
- the present invention relates a gripper drum according to the preamble of Claim 1.
- Such a gripper drum is from the DE-A-30 35 498.
- US 5,447,302 describes an apparatus for removing paper products from a stack in a magazine.
- the device comprises a rotatably mounted Gripper drum, moving at a constant angular velocity about a central axis rotates.
- a fixed cam is rigidly mounted near the gripper drum.
- One Cam follower follows the outside of the cam and is at one end at one Attached link, which also rotates with the gripper drum. That I rotating link is pivotable about a pin, allowing a change in the cam radius can cause the connecting member to pivot, so that a other end of the limb squeezes or stretches a spring.
- This other end of the Link is connected to another link, which is a toggle lever can move in, where a gripper and a gripper pad are held.
- the gripper is opened. If the Gripper and the gripper pad are braked in relation to the gripper drum is the gripper closed.
- the device according to US 5,447,302 has the disadvantage that the structure of the Linkage is complicated, especially because a spring is necessary to the Cam to follow the cam follower.
- the repeated Compression and stretching of the spring can occur during frequent rotation Weakening of the spring and erroneous operation of the entire device to lead.
- high spring forces must be maintained so that the Cam follower remains on the cam and the gripper works reliably. Does that dissolve? Follower of the cam, this may cause malfunction or damage to the Gripper lead.
- the gripping force remains relatively constant, regardless of whether the Toggle arm moves. Therefore, a large gripping force is necessary for thick products which can then damage the thin products when they are on the same machine to be edited.
- the invention is based on the object to provide a rotatable gripper drum, the is durable and has improved features at high operating speeds.
- the inventive cam arranged in a housing controls and limits the Movement of the cam follower and makes the use of a spring for adjusting the Cam follower superfluous.
- cam housing refers to a cam with a cam Groove or a slot in which a cam follower moves and / the cam both in a radially outward and a radially inward movement limited.
- Fig. 1 shows a gripper drum 10 having a drum body 12 which is about a central axis 14 in the direction of arrow 16.
- the gripper drum 10 is preferably driven at a constant speed by a drive device with a drive shaft which rotates about the central axis 14 and fits in the middle of the drum body 14 .
- the gripper drum 10 preferably also includes a pin 20 secured to one end of the support member 22. At the other end of the support member 22 is fixed by means of a pin 23, a gripper support link 24 which is rotatable about the axis 26.
- a gripper pad 28 is attached to one end of the gripper pad connector 24.
- the gripper pad 28 is preferably made of a material that is exposed to high friction can be, e.g. Rubber.
- a cam follower 120 ( Figure 3) on the side of the drum, not shown, is connected to a shaft on the side shown in Fig. 1, supports Cam Follower link 30, which by means of a pin 20 on the support member 22nd is attached.
- the cam follower link 30 is firmly clamped to a shaft 32.
- the shaft 32 also rotates a rack 34 which is connected to a pinion 36 of a Rack and pinion mechanism cooperates.
- the pinion 36 is provided with a shaft 38 connected, on which a gripper 40 is located with the gripper end 42.
- the gripper end 42 is by a spring 46, which is arranged on a spring bearing 44, the is connected to the drum body 12, spring loaded and located in one closed position.
- the gripper 40 and the gripper pad 28 are movable relative to the drum body 12 within a slot 49 at the periphery of the drum body 12.
- a second gripper device 6, similar to that described above, is rotated 180 degrees arranged on the drum body 12.
- the device is preferably symmetrical to the gripper 7 on the other side of the Support drum 10. However, on the opposite side of the drum becomes a Gripper pad moved by means of the axis 26, which is why no need for a Support member similar to the support member 22 on this side of the drum longer exists.
- a support 130 on the opposite side of Gripper drum which is not shown in Fig. 1, at the other end of the shaft 32nd attached.
- a cam follower 120 is attached to the support 130 and extends in an in a cam 50 disposed in a housing, as shown in FIG.
- there is no the connecting member 22 on the cam side of the drum 10th similar link because the gripper pad link on the cam side is moved by the axis 26 which extends through the gripper drum.
- the gripper drum 10 operates as follows: When the gripper drum body 14 rotates, follows the cam follower 120 of a control cam 52 in which arranged in a housing Cam 50 as shown in FIG. The arranged in a housing cam 50 is located to receive on the side of the drum body 12 about the cam follower 120. In a portion of the cam 52 having an inner radius 54 is the gripper 40 open and the gripper 40 and the gripper pad 28 are in the groove 49 at the Outer periphery of the drum body 12 moves forward.
- the opposite side of the drum 10 may comprise a similar rack, which is mounted on the shaft 32 and activates a similar pinion mechanism.
- the spring 44 and the positioning of the gripper end 42 with respect to the gripper pad 28 may control the gripping strength of the gripping in the closed position.
- the spring 44 is intended to create the gripping force for thicker products.
- Fig. 2 shows the movement of a gripper end 42 and the gripper pad 28 (Fig Grasping a product 60.
- the cam follower 120 When the cam follower 120 is in position 20A is located, the gripper pad 28 in the position 28 A and is separated from the Gripper end 42 in position 42A. While the cam follower 120 in the position 20B moves, the gripper pad 28 moves forward to the position 28B and the Gripper end in position 42B. While the cam follower is in position 20C moved, the gripper pad 28 moves back into the slot 49 (Fig. 1) opposite to the direction 16. The movement of the drum 10 in the direction 16 is slightly faster than this backward movement, so that the gripper pad 28 always still moving in the direction 16, but slower than the drum 10. At the same time has the gripper end 42 moves to position 42C.
- the cam follower 120 moves outwardly to the position 20 D, the Gripper pad 28 in the position 28 D and the gripper end 42 in the position 42 D the Product 60 from a stacking magazine. While the cam follower in the position 20E is moved, the gripped product is moved forward, so that the Gripper end 42 and the gripper pad 28 are each in the positions 42E and 28E.
- the rotational axis of the gripper support link 24 and the Rotation axis of the drum 10 is not the same, which allow better grip characteristics would.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Specific Conveyance Elements (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Discharge By Other Means (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Facsimile Scanning Arrangements (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Greifertrommel gemäß dem Oberbegriff von Anspruch 1.The present invention relates a gripper drum according to the preamble of Claim 1.
Eine solche Greifertrommel ist aus der DE- A-30 35 498 bekannt.Such a gripper drum is from the DE-A-30 35 498.
Die US 5,447,302 beschreibt eine Vorrichtung zum Entfernen von Papierprodukten von einem Stapel in einem Magazin. Die Vorrichtung umfasst eine drehbar befestigte Greifertrommel, die sich mit einer konstanten Winkelgeschwindigkeit um eine Mittelachse dreht. Eine ortsfeste Nocke ist in der Nähe der Greifertrommel starr befestigt. Ein Nockenfolger folgt der Außenseite der Nocke und ist an einem Ende an einem Verbindungsglied befestigt, das sich ebenfalls mit der Greifertrommel dreht. Das sich drehende Verbindungsglied ist um einen Stift schwenkbar, so dass eine Veränderung in dem Nockenradius das Verbindungsglied zum Schwenken bringen kann, so dass ein anderes Ende des Glieds eine Feder zusammendrückt oder streckt. Dieses andere Ende des Glieds ist mit einem weiteren Verbindungsglied verbunden, das einen Kniehebelarm einziehen kann, an dem ein Greifer und eine Greiferauflage gehalten werden. Wenn der Kniehebelarm eingezogen wird, so dass der Greifer und die Greiferauflage sich schneller in dieselbe Richtung wie die Greifertrommel bewegen, wird der Greifer geöffnet. Wenn der Greifer und die Greiferauflage im Verhältnis zu der Greifertrommel gebremst werden, wird der Greifer geschlossen.US 5,447,302 describes an apparatus for removing paper products from a stack in a magazine. The device comprises a rotatably mounted Gripper drum, moving at a constant angular velocity about a central axis rotates. A fixed cam is rigidly mounted near the gripper drum. One Cam follower follows the outside of the cam and is at one end at one Attached link, which also rotates with the gripper drum. That I rotating link is pivotable about a pin, allowing a change in the cam radius can cause the connecting member to pivot, so that a other end of the limb squeezes or stretches a spring. This other end of the Link is connected to another link, which is a toggle lever can move in, where a gripper and a gripper pad are held. If the Toggle arm is retracted, so that the gripper and the gripper pad in faster move the same direction as the gripper drum, the gripper is opened. If the Gripper and the gripper pad are braked in relation to the gripper drum is the gripper closed.
Die Vorrichtung nach der US 5,447,302 hat den Nachteil, dass die Struktur des Verbindungsglieds kompliziert ist, insbesondere weil eine Feder notwendig ist, um die Nocke dazu zu veranlassen, dem Nockenfolger zu folgen. Das wiederholte Zusammendrücken und Strecken der Feder kann bei häufiger Rotation zu einer Schwächung der Feder und zu einem fehlerhaften Betrieb der gesamten Vorrichtung führen. Bei hohen Geschwindigkeiten müssen hohe Federkräfte erhalten bleiben, damit der Nockenfolger auf der Nocke bleibt und der Greifer zuverlässig arbeitet. Löst sich der Folger von der Nocke, so kann dies zu Fehlfunktionen oder einer Beschädigung des Greifers führen. The device according to US 5,447,302 has the disadvantage that the structure of the Linkage is complicated, especially because a spring is necessary to the Cam to follow the cam follower. The repeated Compression and stretching of the spring can occur during frequent rotation Weakening of the spring and erroneous operation of the entire device to lead. At high speeds, high spring forces must be maintained so that the Cam follower remains on the cam and the gripper works reliably. Does that dissolve? Follower of the cam, this may cause malfunction or damage to the Gripper lead.
Darüber hinaus bleibt die Greifkraft relativ konstant, unabhängig davon, ob sich der Kniehebelarm verschiebt. Daher ist eine große Greifkraft für dicke Produkte notwendig, die dann den dünnen Produkten schaden kann, wenn sie auf der gleichen Maschine bearbeitet werden.In addition, the gripping force remains relatively constant, regardless of whether the Toggle arm moves. Therefore, a large gripping force is necessary for thick products which can then damage the thin products when they are on the same machine to be edited.
Der Erfindung liegt die Aufgabe zu Grunde, eine drehbare Greifertrommel zu schaffen, die haltbar ist und verbesserte Merkmale bei hohen Betriebsgeschwindigkeiten aufweist.The invention is based on the object to provide a rotatable gripper drum, the is durable and has improved features at high operating speeds.
Diese Aufgabe wird erfindungsgemäß durch eine Greifertrommel mit den Merkmalen gemäß Anspruch 1 gelöst.This object is achieved according to the invention by a gripper drum with the features Claim 1 solved.
Die erfindungsgemäße in einem Gehäuse angeordnete Nocke steuert und begrenzt die Bewegung des Nockenfolgers und macht den Gebrauch einer Feder zum Einstellen des Nockenfolgers überflüssig.The inventive cam arranged in a housing controls and limits the Movement of the cam follower and makes the use of a spring for adjusting the Cam follower superfluous.
Vorteilhafte Weiterbildungen der Greifertrommel sind in den Unteransprüchen angegeben. Advantageous developments of the gripper drum are in the subclaims specified.
Der Begriff "Nockengehäuse", wie er hier verwendet wird bezeichnet eine Nocke mit einer Nut oder einem Schlitz, in der/dem sich ein Nockenfolger bewegt und die/der die Nocke sowohl in einer radial nach außen als auch einer radial nach innen gerichteten Bewegung begrenzt.The term "cam housing" as used herein refers to a cam with a cam Groove or a slot in which a cam follower moves and / the cam both in a radially outward and a radially inward movement limited.
Weitere Vorteile und vorteilhafte Ausführungsformen der vorliegenden Erfindung sind Gegenstand der nachfolgend aufgeführten Figuren und deren Beschreibungen.Further advantages and advantageous embodiments of the present invention are Subject of the figures listed below and their descriptions.
In den Zeichnungen zeigen:
- Fig. 1
- eine perspektivische Innenansicht der Greifertrommel der vorliegenden Erfindung,
- Fig. 2
- die Greifertrommel von Fig. 1 beim Ergreifen eines Druckerzeugnisses von einem Stapelmagazin,
- Fig. 3
- den Nockenfolger, der an der Seite der in Fig. 1 nicht gezeigten Greifertrommel befestigt ist,
- Fig. 4
- eine in einem Gehäuse angeordnete Nocke einer erfindungsgemäßen Greifertrommel.
- Fig. 1
- an interior perspective view of the gripper drum of the present invention,
- Fig. 2
- 1 when gripping a printed product from a stacking magazine,
- Fig. 3
- the cam follower, which is attached to the side of the gripper drum, not shown in Fig. 1,
- Fig. 4
- a cam arranged in a housing of a gripper drum according to the invention.
Fig. 1 zeigt eine Greifertrommel 10, die einen Trommelkörper 12 aufweist, der sich um
eine Mittelachse 14 in die Pfeilrichtung 16. Die Greifertrommel 10 wird vorzugsweise mit
einer konstanten Geschwindigkeit von einer Antriebsvorrichtung mit einer Antriebsachse
angetrieben, die sich um die Mittelachse 14 dreht und in die Mitte des Trommelkörpers 14
passt. Die Greifertrommel 10 umfasst vorzugsweise ebenfalls einen Stift 20, der an einem
Ende des Stützglieds 22 befestigt ist. An dem anderen Ende des Stützglieds 22 ist anhand
eines Stifts 23 ein Greiferauflageverbindungsglied 24 befestigt, das um die Achse 26
drehbar ist. Fig. 1 shows a
Eine Greiferauflage 28 ist an einem Ende des Greiferauflageverbindungsglieds 24 befestigt.
Die Greiferauflage 28 ist vorzugsweise aus einem Material, das hoher Reibung ausgesetzt
werden kann, z.B. Gummi.A
Ein Nockenfolger 120 (Fig. 3) auf der Seite der Trommel, die nicht dargestellt ist, ist
verbunden mit einer Welle, die auf der in Fig. 1 gezeigten Seite, stützt ein
Nockenfolgerverbindungsglied 30, das mittels eines Stifts 20 an dem Stützglied 22
befestigt ist. Das Nockenfolgerverbindungsglied 30 ist fest an eine Welle 32 geklemmt.
Die Welle 32 dreht auch eine Zahnstange 34, die mit einem Ritzel 36 eines
Zahnstangenmechanismus zusammenwirkt. Das Ritzel 36 ist mit einer Welle 38
verbunden, auf der sich ein Greifer 40 mit dem Greiferende 42 befindet.A cam follower 120 (Figure 3) on the side of the drum, not shown, is
connected to a shaft on the side shown in Fig. 1, supports
Das Greiferende 42 ist durch eine Feder 46, die an einem Federlager 44 angeordnet ist, das
mit dem Trommelkörper 12 verbunden ist, federbelastet und befindet sich in einer
geschlossene Position.The
Der Greifer 40 und die Greiferauflage 28 sind relativ zu dem Trommelkörper 12 bewegbar
innerhalb eines Schlitzes 49 an der Peripherie des Trommelkörpers 12.The
Eine zweite Greifervorrichtung 6, ähnlich der oben beschriebenen, ist um 180 Grad gedreht
an dem Trommelkörper 12 angeordnet.A second gripper device 6, similar to that described above, is rotated 180 degrees
arranged on the
Die Vorrichtung ist bevorzugt symmetrisch, um den Greifer 7 auf der anderen Seite der
Trommel 10 zu stützen. An der entgegengesetzten Seite der Trommel wird jedoch eine
Greiferauflage mittels der Achse 26 bewegt, weshalb keine Notwendigkeit für ein
Stützglied ähnlich dem Stützglied 22 auf dieser Seite der Trommel mehr besteht.The device is preferably symmetrical to the gripper 7 on the other side of the
Wie in Fig. 3 dargestellt ist eine Stütze 130 auf der entgegengesetzten Seite der
Greifertrommel, die in Fig. 1 nicht dargestellt ist, an dem anderen Ende der Welle 32
befestigt. Ein Nockenfolger 120 ist an der Stütze 130 befestigt und verläuft in einer in
einem Gehäuse angeordneten Nocke 50, wie in Fig. 4 dargestellt ist. Wie bereits
beschrieben, gibt es auf der Nockenseite der Trommel 10 kein dem Verbindungsglied 22
ähnliches Verbindungsglied, weil das Greiferauflageverbindungsglied auf der Nockenseite
von der Achse 26 bewegt wird, die sich durch die Greifertrommel erstreckt.As shown in Fig. 3, a
Die Greifertrommel 10 arbeitet wie folgt: Wenn sich der Greifertrommelkörper 14 dreht,
folgt der Nockenfolger 120 einer Steuerkurve 52 in der in einem Gehäuse angeordneten
Nocke 50, wie in Fig. 4 dargestellt. Die in einem Gehäuse angeordnete Nocke 50 befindet
sich an der Seite des Trommelkörpers 12 um den Nockenfolger 120 aufzunehmen. In
einem Abschnitt der Steuerkurve 52, die einen inneren Radius 54 aufweist, ist der Greifer
40 offen und der Greifer 40 und die Greiferauflage 28 werden in der Nut 49 an der
Außenperipherie des Trommelkörpers 12 vorwärts bewegt.The
Wenn der Nockenfolger 120 einen Abschnitt der Steuerkurve 52 erreicht, der einen größeren
Radius 56 aufweist, bewegt sich der Nockenfolger 120 radial nach außen, der die Achse 32
gegen den Uhrzeigersinn dreht, wie in Fig. 1 gezeigt. Das Verbindungsglied 22 zieht dann
an einem Ende der Greiferauflage 24, um die Achse 26 im Uhrzeigersinn zu drehen, wie in
Fig. 1 anhand eines Pfeils dargestellt ist. Die Greiferauflage 28 bewegt sich also rückwärts
im Bezug auf den sich drehenden Trommelkörper 12 (und entgegengesetzt dem Pfeil 16 in
Fig. 1). Auf der entgegengesetzten Seite der Trommel 10 aktiviert die Achse 26 ein
Greiferauflageglied, um die Greiferauflage des Greifers 7 ebenfalls rückwärts zu bewegen.When the
Gleichzeitig wird die Zahnstange 34 an der Welle 32 veranlasst, sich gegen den
Uhrzeigersinn zu drehen, weil der Nockenfolger 120 die Welle 32 gegen den Uhrzeigersinn
bewegt, wie in Fig. 1 gezeigt. Das Ritzel 36 dreht sich im Uhrzeigersinn, ebenso wie die
Welle 38, die den Greifer 40 zum Drehen bringt. Die Greiferende 42 bewegt sich also
rückwärts (entgegen der Pfeilrichtung 16) in der Nut 49 und schließt schließlich die
Greiferauflage 28, wobei es ein Druckerzeugnis auf einem Magazin ergreift. Die
entgegengesetzte Seite der Trommel 10 kann eine ähnliche Zahnstange umfassen, welche
auf der Welle 32 befestigt ist und einen ähnlichen Ritzelmechanismus aktiviert. At the same time the
Die Feder 44 und die Positionierung des Greiferendes 42 im Bezug auf die Greiferauflage
28 kann die Greifstärke des Ergreifens in der geschlossenen Position steuern. Die Feder 44
ist vorgesehen, um die Greifkraft für dickere Produkte zu erzeugen.The
Fig. 2 zeigt die Bewegung eines Greiferendes 42 und der Greiferauflage 28 (Fig. 1) beim
Ergreifen eines Produkts 60. Wenn sich der Nockenfolger 120 in der Position 20A
befindet, ist die Greiferauflage 28 in der Position 28A und ist getrennt von dem
Greiferende 42 in der Position 42A. Während sich der Nockenfolger 120 in die Position
20B bewegt, bewegt sich die Greiferauflage 28 vorwärts in die Position 28B und das
Greiferende in die Position 42B. Während sich der Nockenfolger in die Position 20C
bewegt, bewegt sich die Greiferauflage 28 zurück in den Schlitz 49 (Fig. 1)
entgegengesetzt zur Richtung 16. Die Bewegung der Trommel 10 in die Richtung 16 ist
etwas schneller als diese Rückwärtsbewegung, so dass die Greiferauflage 28 sich immer
noch in die Richtung 16 bewegt, aber langsamer als die Trommel 10. Zu derselben Zeit hat
sich -das Greiferende 42 in die Position 42 C bewegt.Fig. 2 shows the movement of a
Während sich der Nockenfolger 120 nach außen in die Position 20 D bewegt, ergreifen die
Greiferauflage 28 in der Position 28D und das Greiferende 42 in der Position 42D das
Erzeugnis 60 von einem Stapelmagazin. Während sich der Nockenfolger in die Position
20E weiterbewegt, wird das ergriffene Erzeugnis vorwärts bewegt, so dass sich das
Greiferende 42 und die Greiferauflage 28 jeweils in den Positionen 42E und 28E befinden.As the
Bezüglich Fig. 4 ist zu sagen, dass sich der Nockenfolger nach innen bewegt und das
Erzeugnis 60 z.B. auf ein Beförderungsband entlässt, wenn der Nockenfolger zu dem
inneren Radius zurückkehrt.With reference to FIG. 4, it can be said that the cam follower moves inward and the
Vorzugsweise sind die Rotationsachse des Greiferauflageverbindungsglieds 24 und die
Rotationsachse der Trommel 10 nicht dieselben, was bessere Ergreifmerkmale ermöglichen
würde. Preferably, the rotational axis of the
- 66
- zweiter Greifermechanismussecond gripper mechanism
- 77
- Greifergrab
- 1010
- Greifertrommelgripper drum
- 1212
- Trommelkörperdrum body
- 1414
- Mittelachsecentral axis
- 1616
- Pfeilarrow
- 2020
- Stiftpen
- 20A, 20B, 20C, 20D, 20E20A, 20B, 20C, 20D, 20E
- Positionen des NockenfolgersPositions of the cam follower
- 2222
- Stützgliedsupporting member
- 2323
- Stiftpen
- 2424
- GreiferauflageverbindungsgliedGripper pad link
- 2626
- Achseaxis
- 2828
- GreiferauflageGripper pad
- 28A, 28B,28C, 28D, 28E28A, 28B, 28C, 28D, 28E
- Positionen der GreiferauflagePositions of the gripper pad
- 3030
- NockenfolgerverbindungsgliedCam follower link
- 3232
- Wellewave
- 3434
- Zahnstangerack
- 3636
- Ritzelpinion
- 3838
- GreiferschaltwelleGripper operating shaft
- 4040
- Greifergrab
- 4242
- Greiferendegripper end
- 42A, 42B, 42C, 42D, 42E42A, 42B, 42C, 42D, 42E
- Positionen des GreiferendesPositions of the gripper end
- 4444
- Federstützespring support
- 4646
- Federfeather
- 4949
- Schlitz, NutSlot, groove
- 5050
- in einem Gehäuse liegende Nockein a housing lying cam
- 5252
- Steuerkurvecam
- 5454
- innere Radiusinner radius
- 5656
- größerer Radiuslarger radius
- 6060
- Produkt product
- 120120
- Nockenfolgercam follower
- 130130
- Stützesupport
Claims (5)
- Gripper drum comprising a central axis (14), a drum body (12) that is rotatable about the central axis (14), a gripper (40) pivotally arranged on the periphery of the drum body (12) and which comprises a gripper end (42), a gripper seat (28) which can be rotated about a gripper seat axis and can cooperate with the gripper (40), an actuating shaft (32) provided for pivoting the gripper (40), a cam follower (120) for forward and backward movement of the gripper (40) and a pivoting device provided for pivoting the gripper seat (28), characterised in that the actuating shaft (32) is in driving connection with the pivoting device and in that the gripper drum comprises a cam (50) arranged in a housing and having a radial cam (52) which follows the cam follower (120) if the drum body (12) rotates.
- Gripper drum according to Claim 1, characterised in that it comprises a pinion (36) actuating the gripper end (42) and a toothed segment (34) meshing with the pinion (36), the toothed segment (34) being non-rotatably connected to the actuating shaft (32).
- Gripper drum according to either Claim 1 or Claim 2, characterised in that the pivoting device comprises a pivoted lever (24) carrying the gripper seat (28), a cam follower connecting member (30) non-rotatably connected to the actuating shaft (32) and a seating member (22) articulating the cam follower connecting member (30) and the pivoted lever (24) to each other.
- Gripper drum according to Claim 3, characterised in that the pivoted lever (24) is pivotal about a swivel pin (26) parallel to the central axis (14).
- Gripper drum according to any one of Claims 1 to 4, characterised in that the gripper (40) is spring-loaded in the direction of a closed position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US506625 | 2000-02-18 | ||
| US09/506,625 US6308625B1 (en) | 2000-02-18 | 2000-02-18 | Hopper gripper drum |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1125874A2 EP1125874A2 (en) | 2001-08-22 |
| EP1125874A3 EP1125874A3 (en) | 2002-12-18 |
| EP1125874B1 true EP1125874B1 (en) | 2005-12-07 |
Family
ID=24015351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01101176A Expired - Lifetime EP1125874B1 (en) | 2000-02-18 | 2001-01-24 | Gripper drum of a magazine for pile |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US6308625B1 (en) |
| EP (1) | EP1125874B1 (en) |
| JP (1) | JP4741091B2 (en) |
| AT (1) | ATE312038T1 (en) |
| DE (2) | DE10103042A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7628109B2 (en) * | 2005-07-26 | 2009-12-08 | Hewlett-Packard Development Company, L.P. | Image transfer mechanism |
| DE102004014868A1 (en) | 2004-03-26 | 2005-10-13 | Heidelberger Druckmaschinen Ag | Speed-dependent pressing force |
| JP5422458B2 (en) * | 2010-03-25 | 2014-02-19 | 富士フイルム株式会社 | Medium conveying apparatus, image forming apparatus, and medium conveying method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS165124B1 (en) * | 1973-04-18 | 1975-11-28 | ||
| JPS5346817A (en) * | 1976-10-09 | 1978-04-26 | Sato Yoshihisa | Device for holding and taking book for use in automatic binding machine |
| CH641112A5 (en) * | 1979-10-17 | 1984-02-15 | Grapha Holding Ag | FEEDER FOR PRINTED SHEET. |
| DE3508697A1 (en) * | 1985-03-12 | 1986-09-25 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | DEVICE FOR CONTROLLING GRIPPERS IN ARC ROTATION PRINTING MACHINES |
| US4815870A (en) * | 1987-10-22 | 1989-03-28 | Eastman Kodak Company | Receiver clamping arrangement for thermal printers |
| DE4343146C2 (en) | 1993-03-12 | 2000-02-17 | Heidelberger Druckmasch Ag | Device for separating paper products, for example signatures and newspapers from a stack by means of a rotatably mounted gripper drum |
| DE19826331A1 (en) | 1998-06-12 | 1999-12-16 | Wacker Chemie Gmbh | Procedure for attaching container adjustment bags |
| DE59801959D1 (en) | 1998-06-22 | 2001-12-06 | Grapha Holding Ag | Procedure for the astride loading of a collection route with folded printed sheets |
-
2000
- 2000-02-18 US US09/506,625 patent/US6308625B1/en not_active Expired - Lifetime
-
2001
- 2001-01-24 EP EP01101176A patent/EP1125874B1/en not_active Expired - Lifetime
- 2001-01-24 DE DE10103042A patent/DE10103042A1/en not_active Withdrawn
- 2001-01-24 AT AT01101176T patent/ATE312038T1/en not_active IP Right Cessation
- 2001-01-24 DE DE50108269T patent/DE50108269D1/en not_active Expired - Lifetime
- 2001-02-15 JP JP2001038247A patent/JP4741091B2/en not_active Expired - Fee Related
- 2001-09-13 US US09/952,094 patent/US6701840B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE50108269D1 (en) | 2006-01-12 |
| US20020043169A1 (en) | 2002-04-18 |
| JP2001278467A (en) | 2001-10-10 |
| ATE312038T1 (en) | 2005-12-15 |
| EP1125874A3 (en) | 2002-12-18 |
| US6701840B2 (en) | 2004-03-09 |
| US6308625B1 (en) | 2001-10-30 |
| JP4741091B2 (en) | 2011-08-03 |
| DE10103042A1 (en) | 2001-08-23 |
| EP1125874A2 (en) | 2001-08-22 |
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