EP1106551B1 - Apparatus and method for cutting a web - Google Patents
Apparatus and method for cutting a web Download PDFInfo
- Publication number
- EP1106551B1 EP1106551B1 EP00124482A EP00124482A EP1106551B1 EP 1106551 B1 EP1106551 B1 EP 1106551B1 EP 00124482 A EP00124482 A EP 00124482A EP 00124482 A EP00124482 A EP 00124482A EP 1106551 B1 EP1106551 B1 EP 1106551B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- web
- elements
- gripper
- signature
- 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
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- 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
- B26D11/00—Combinations of several similar cutting apparatus
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- 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
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
- B26D1/20—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a fixed member
- B26D1/205—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a fixed member for thin material, e.g. for sheets, strips or the like
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- 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
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
- B26D1/565—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/515—Cutting handled material
- B65H2301/5151—Cutting handled material transversally to feeding direction
- B65H2301/51512—Cutting handled material transversally to feeding direction using a cutting member moving linearly in a plane parallel to the surface of the web and along a direction crossing the handled material
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- 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
- B65H2403/54—Driving mechanisms other
- B65H2403/542—Geneva mechanisms
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
- Y10T83/4766—Orbital motion of cutting blade
- Y10T83/4778—Work feed gripper carried on endless belt
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
- Y10T83/4766—Orbital motion of cutting blade
- Y10T83/478—Endless belt or chain tool carrier
Definitions
- the present invention relates to a device for cutting a web according to the The preamble of claim 1 and a method for cutting a web according to the Preamble of claim 12.
- Web-fed rotary printing machines print on a continuous material web, e.g. a Paper web.
- the continuous web is printed in a cutter in Signatures cut, which are then folded in a folder or on different types are arranged or collected.
- the Signatures e.g. branched into two streams and also braked.
- To the To reduce signature length often has to be the ratio of angular velocity be enlarged between the folder and the printing units of the printing press. Therefore, the speed of the signature after being cut off the web was increased, which adversely affects downstream transport functions effect.
- Signatures therefore often have to be braked in a braking device, which but often damage the signatures, e.g. by making donkey ears or that Clog the folder because it cannot be transported from or to the braking device works.
- the U.S. 5,740,900 describes a device for dividing a product stream into a current A and a current B.
- the signatures are captured by grippers, where alternate grippers rotate to divide the product flow. A cutter is not explained.
- the present invention provides an apparatus for cutting a web of material is moved in a web direction at a web speed.
- the device has a large number of cutting elements which can be moved in a straight line in the web direction Cutting the web into signatures and a variety of gripper elements that match the Interact cutting elements.
- the distance can used between the elements to set the signature length.
- the speed of the web in the folder advantageously does not have to be changed to set the signature length.
- Each gripper element can comprise a gripper that grips the signature and on Wish slows down.
- Each cutting element can comprise a knife and each The gripper element can comprise a groove against which the knife can cut the web.
- Each gripper element can also have a retractable, laterally, i.e. across to Transport direction, include extending pin.
- the device can also be a Include brake disc that cooperates with the pin so that the gripper elements are supported and braked by the brake disc.
- the device may include a drive mechanism that drives the cutting elements in Path direction moved.
- the drive mechanism can e.g. Linear motors include wherein the guide rails of the cutting elements are used as a stator and the Cutting elements, or also the gripper elements, the moving parts of the linear motor form.
- the present invention also provides an apparatus for cutting a Material web that has a large number of linearly movable first cutting elements has, which are movable along a first path, a plurality of rectilinear movable first gripper elements, which are movable along the first path, a A plurality of rectilinear movable second cutting elements which run along a second path are movable and cooperate with the first gripper elements, and a plurality of second gripper elements that are movable along the second path and interact with the first gripper elements.
- the train moves between the first and the second path through a signature cutting area.
- the first cutting elements and the first gripper elements are preferred arranged alternately along the first path. After the Have passed the signature cutting area, the first gripper elements can become one move in the opposite direction to the second gripper elements so that the Signatures can be divided into two streams.
- the first path and the second path are preferably two closed circular paths.
- the cutting elements preferably comprise a laterally movable knife with two Blade that cuts a strip of material between the individual signatures or separates.
- This type of knife has an advantageous effect on the production of Printed products, because a knife with only one blade possible defects in the cut or cannot remove when printing, which results in color from a signature in the Border area of the next signature can appear.
- the strip of material used in the Using a knife with two blades arises, these shortcomings can be more beneficial Eliminate wise.
- the device can also be an air nozzle and / or Include suction device with which the strip of material from the groove into which the Strips after cutting, can be removed.
- a large number of cutting elements are moved in a straight line in the signature cutting area, wherein the cutting elements move in the web direction.
- "Movable in a straight line” means here that the elements at least in sections on a substantially straight extending path are movable, in contrast to circularly movable elements, such as it is the case with conventional cutting cylinders.
- the web comes with the multitude of Cutting elements cut into a stream of signatures, extending the signature length changed, depending on the controllable distance between the cutting elements in the Signature cutting area.
- the signatures are made from a variety of gripper elements gripped, the gripper elements interacting with the cutting elements.
- the method can also include alternately branching the signatures, to get a first and a second stream of signatures.
- the cutting elements can be moved at web speed in the signature cutting area.
- the method further sees a braking of the signatures after leaving the Signature cutting area and an acceleration of the cutting elements before they enter the Signature cutting area before, provided that this is advantageous for cross cutting the web contributes.
- the method preferably sees the cutting of a strip of material between each individual signature.
- This cutting step can e.g. from a laterally rotatable Knives are executed, which can have two blades.
- the strip can then e.g. be removed by means of a blower or suction device. By a streak between the signatures, the quality in the marginal areas of the Signatures are improved.
- Fig. 1 shows a folder 100 with a first circular path 101 and a second Circular path 102.
- a first circular path 101 comprises a first path 105 along which a variety of cutting elements 3a, 3b, 3c, 3d etc. and a variety of Gripper elements 4a, 4b, 4c, 4d etc are moved.
- the cutting elements and Gripper elements are arranged alternately along the path 105.
- the second circular path 102 also includes a plurality of cutting elements 13a, 13b, 13c, 13d etc. and one Plurality of gripper elements 14a, 14b, 14c, 14d etc. that run along a second path 106 be moved.
- a web of material e.g. made of paper enters a gap between circular path 101 and Circular path 102 is formed.
- a "path" as defined here can be one or comprise several material web strands, which can already be folded lengthways.
- Each cutting element can comprise a strut and a knife. Every gripper element can include a gripper and a groove.
- the web 1 is between the strut of the Cutting elements 3b and the anvil of the gripper element 14b gripped if that Cutting element 3b on first path 105 and gripper element 14b on second path 106 getting together.
- the cutting elements and the gripper elements can be on this section of circular paths 101 and 102, which in FIG. 1 is the signature cutting area 1000 is shown, moving at the path speed.
- a knife in cutting element 13b cuts e.g. a web 1 against the anvil of the gripper element 4b. So a signature 7 created.
- a leading edge of the signature cut by cutting element 3c is gripped by the gripper of the gripper element 14c.
- the signatures are divided into two streams when the gripper elements Leave cutting area, leaving a first stream 11a of signatures and a second Stream 10a are formed by signatures. These signatures can then be obtained from the Gripper elements are conveyed to the conveyor elements 10 and 11. The streams 11a and 10a can then leave the signature cutting area by the Gripper elements are braked so that the speed of the currents is approximately 20 percent the web speed is.
- variable signature length (cut-to-cut distance), which in Fig. 1 as variable length L is shown.
- the gripper element 14b comprises an anvil 20 and a rotatable gripper 21.
- the cutting element 3b comprises a knife 22 which e.g. is held by the support 23.
- the knife 22 can Cut web 1 while knife 22 and anvil 20 meet.
- web 1 can first be between the anvil 20 and the strut 24 of the Cutting elements 3b are held and then knife 22 is moved around the web 1 to cut.
- the leading edge of the web can then be removed from the rotating gripper are gripped, as shown on the further gripper element 4b, the one gripper 21 includes.
- the knife of cutting element 13b is not shown to figure to make it clearer, but it corresponds to the knife of cutting element 3b.
- the gripper 21b presses the entire length of the front edge against the anvil 20b, damage to the leading edge, e.g. "Donkey ears" can be avoided.
- the trailing edge 28 of the preceding signature is additionally removed from the gripper 21b Cut line pushed away. In contrast to most other folders without Needles, the cut signatures must be accelerated with this procedure to create a space between the trailing edge of the preceding and the To create the leading edge of the subsequent signature.
- the knife can be a laterally movable rotating knife or a scissor-like one Be a knife.
- the cutting element 113 comprises a frame 114 which e.g. by an engine or a Gear in the web direction and against the web direction can be moved like that Arrows 115 and 116 show.
- the frame 114 supports the rotatable knife axis 112 on which a knife 111 is arranged.
- Knife 111 comprises two blades that are slightly offset, e.g. with a gap of 2 mm or less.
- the cutting process with this knife proceeds as follows: The web is first between an anvil 110 and a support (not shown) that is defined by frames 114 extends above and / or below the knife 111, clamped. While the train passes the signature cutting area, the frame and the knife move with the two blades 111 toward 115 or 116 to make a pair of parallel cuts through the web produce. A very thin strip of cutting residue lies in groove 109 of the anvil 110.
- This small strip of cutting residue can be through an air nozzle 108 or a suction system 107 be removed, as shown in Fig. 1.
- Fig. 3 shows how the cutting element / gripper element pairs are controlled so that they are accelerated when they enter the signature cutting area and are braked when they leave the signature cutting area.
- Every cutting element and every Gripper element includes a retractable pin 15.
- the pins 15 are in the elements pushed back.
- a spring in the elements pushes the pin out again as soon as that Element leaves the ramp so that it is guided into a groove in a disc 16.
- the Movement of the elements is then from the disc 16 and a guide rail 18th controlled. While the disc 16 rotates counterclockwise, the Restriction of movement that emanates from rail 18, pin 15 to the outer edge of the Disc 16. As the effective radius increases, the elements are accelerated.
- a drive mechanism 120 e.g. a belt drive, controlled.
- a drive mechanism Drive mechanism 120 can be provided.
- the drive mechanism 120 stops the speed of the clamp strut Web speed.
- the speed of rotation of the disc 16 in relation to that Path speed sets the distance between the successive pairs of Gripper and cutting elements fixed, which determines the section length of the signatures.
- the printer can change the cut-to-cut length of signatures change.
- the drive mechanism 120 transfers control of the clamp strut to one Brake disc 19.
- the brake disc 19 corresponds to the disc 16, except that the disc 19 is modified so that it releases the pins 15 when the pins the minimum Approach the radius of the groove in disc 19.
- the gripper elements are on the desired one Signature delivery speed slowed down because of its movement from the guide rail 18 is controlled, which guides the gripper elements so that your pins are constantly on the center of the Brake disc 19 close.
- FIG. 4 shows a more detailed view of the brake disc 19, which is shown in FIG. 3.
- Fig. 4 shows how the grooves 119 are chamfered towards the center of the brake disc 19, so that the Pin while being controlled from the guide rail 18 to the center of the brake disc 19 too moved, is pressed into a gripper or cutting element. If the pin 15 from the Brake disc 19 is removed, the control of the clamping strut to another Hand drive mechanism 121, which has the same speed as that ready gripper or cutting elements.
- the Linear motor technology can be used.
- guide rails that can form paths 105 and 106 to the stator of the linear motor.
- This Guide rails have magnetic coils.
- the size of the coils can vary or that Current in the coils can be changed to accelerate or brake the To effect cutting and gripper elements. Therefore determine and control the structure of the Coils in the stator and the control of the current frequency in the coils the movement and the distance between the gripper and cutting elements, which the moving parts of the Form linear motor.
- the gripper and cutting elements have magnets that pass through powered the current in the electrical coils, i.e. towards the guide rail be moved.
- Print speed signals and printer inputs that indicate the desired cut-to-cut length relate to the control of the linear motor, e.g. by a PLC (programmable logic controller), i.e. a programmable Control device.
- PLC programmable logic controller
- the clamping struts require the use of position sensors that indicate the current position of the Report moving gripper or cutting elements to the position control.
- Gripper element does not have to be Grippers include, but can only be used as an anvil for each Cutting element act.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Vorrichtung zum Schneiden einer Bahn gemäß dem Oberbegriff von Anspruch 1 und ein Verfahren zum Schneiden einer Bahn gemäß dem Oberbegriff von Anspruch 12.The present invention relates to a device for cutting a web according to the The preamble of claim 1 and a method for cutting a web according to the Preamble of claim 12.
Rollenrotationsdruckmaschinen bedrucken eine fortlaufende Materialbahn, wie z.B. eine Papierbahn. Die fortlaufende Bahn wird nach dem Bedrucken in einem Schneidwerk in Signaturen geschnitten, die anschließend in einem Falzapparat gefalzt oder auf verschiedene Arten angeordnet bzw. zusammengetragen werden. Um Signaturen in einer gewünschten Art anzuordnen, oder gewünschte Falzvorgänge zu ermöglichen, können die Signaturen z.B. in zwei Ströme verzweigt und auch gebremst werden. Um die Signaturlänge zu verringern, muss oftmals das Verhältnis der Winkelgeschwindigkeit zwischen dem Falzapparat und den Druckwerken der Druckmaschine vergrößert werden. Daher muss die Geschwindigkeit der Signatur, nachdem sie von der Bahn abgeschnitten wurde, erhöht werden, was sich nachteilig auf nachgeordnete Transportfunktionen auswirkt. Signaturen müssen daher oft in einer Bremsvorrichtung gebremst werden, welche jedoch oft die Signaturen beschädigen, z.B. indem sie Eselsohren entstehen lassen oder den Falzapparat verstopfen, weil der Transport aus der oder zu der Bremsvorrichtung nicht funktioniert.Web-fed rotary printing machines print on a continuous material web, e.g. a Paper web. The continuous web is printed in a cutter in Signatures cut, which are then folded in a folder or on different types are arranged or collected. To signatures in one to arrange the desired type, or to enable desired folding operations, the Signatures e.g. branched into two streams and also braked. To the To reduce signature length often has to be the ratio of angular velocity be enlarged between the folder and the printing units of the printing press. Therefore, the speed of the signature after being cut off the web was increased, which adversely affects downstream transport functions effect. Signatures therefore often have to be braked in a braking device, which but often damage the signatures, e.g. by making donkey ears or that Clog the folder because it cannot be transported from or to the braking device works.
In der U.S. 5.865.082 ist eine Vorrichtung zum Schneiden von Signaturen von einer Materialbahn beschrieben. Ein Paar rotierende Zylinder schneidet die Bahn in Signaturen. Die Bahn wird, während sie zwischen den beiden Schneidzylindern hindurch geführt wird, von einer Vielzahl von Förderelementen, die sich in zwei Kreisbahnen bewegen, gehalten. Die Förderelemente halten die Signaturen, während sie geschnitten werden. Diese Vorrichtung hat den Nachteil, dass die Schneidzylinder lediglich rotieren, so dass die Winkelgeschwindigkeit des Falzapparats erhöht werden muss, um die Signaturlänge zu verkürzen. In the U.S. 5.865.082 is a device for cutting signatures from one Material web described. A pair of rotating cylinders cut the web in signatures. As it passes between the two cutting cylinders, the web is held by a large number of conveying elements that move in two circular paths. The conveyor elements hold the signatures while they are being cut. This The disadvantage of the device is that the cutting cylinders only rotate, so that the Angular speed of the folder must be increased to increase the signature length shorten.
Die U.S. 5.740.900 beschreibt eine Vorrichtung zur Aufteilung eines Produktstroms in einen Strom A und einen Strom B. Die Signaturen werden von Greifern erfasst, wobei abwechselnde Greifer rotieren, um den Produktstrom zu teilen. Eine Schneidevorrichtung wird nicht erläutert.The U.S. 5,740,900 describes a device for dividing a product stream into a current A and a current B. The signatures are captured by grippers, where alternate grippers rotate to divide the product flow. A cutter is not explained.
Es ist die Aufgabe der vorliegenden Erfindung eine zuverlässige Vorrichtung zum Schneiden einer Bahn in Signaturen zu schaffen, wobei die Vorrichtung das Schneiden von Formaten mit variabler Abschnittslänge ermöglicht.It is the object of the present invention a reliable device for Cutting a web into signatures, the device being the cutting of Allows formats with variable section length.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale von Anspruch 1 gelöst. Weitere Merkmale der Erfindung sind in den abhängigen Unteransprüchen enthalten.This object is achieved by the features of claim 1. Further Features of the invention are contained in the dependent subclaims.
Die vorliegende Erfindung schafft eine Vorrichtung zum Schneiden einer Materialbahn, die mit einer Bahngeschwindigkeit in eine Bahnrichtung bewegt wird. Die Vorrichtung weist eine Vielzahl von geradlinig in Bahnrichtung bewegbaren Schneidelementen zum Schneiden der Bahn in Signaturen auf und eine Vielzahl von Greiferelementen, die mit den Schneidelementen zusammenwirken.The present invention provides an apparatus for cutting a web of material is moved in a web direction at a web speed. The device has a large number of cutting elements which can be moved in a straight line in the web direction Cutting the web into signatures and a variety of gripper elements that match the Interact cutting elements.
Da die Schneidelemente geradlinig in Bahnrichtung bewegbar sind, kann der Abstand zwischen den Elementen benutzt werden, um die Signaturlänge einzustellen. Die Geschwindigkeit der Bahn in dem Falzapparat muss vorteilhafterweise nicht verändert werden, um die Signaturlänge einzustellen.Since the cutting elements can be moved in a straight line in the direction of the web, the distance can used between the elements to set the signature length. The The speed of the web in the folder advantageously does not have to be changed to set the signature length.
Jedes Greiferelement kann einen Greifer umfassen, der die Signatur ergreift und auf Wunsch abbremst. Jedes Schneidelement kann ein Messer umfassen und jedes Greiferelement kann eine Nute umfassen, gegen die das Messer die Bahn schneiden kann. Jedes Greiferelement kann ferner einen einziehbaren, seitlich, d.h. quer zur Transportrichtung, verlaufenden Stift umfassen. Die Vorrichtung kann des Weiteren eine Bremsscheibe umfassen, die mit dem Stift zusammenwirkt, so dass die Greiferelemente von der Bremsscheibe gestützt und gebremst werden. Each gripper element can comprise a gripper that grips the signature and on Wish slows down. Each cutting element can comprise a knife and each The gripper element can comprise a groove against which the knife can cut the web. Each gripper element can also have a retractable, laterally, i.e. across to Transport direction, include extending pin. The device can also be a Include brake disc that cooperates with the pin so that the gripper elements are supported and braked by the brake disc.
Die Vorrichtung kann einen Antriebsmechanismus umfassen, der die Schneidelemente in Bahnrichtung bewegt. Der Antriebsmechanismus kann dabei z.B. Linearmotoren umfassen, wobei die Führungsschienen der Schneidelemente als Stator eingesetzt werden und die Schneidelemente, oder auch die Greiferelemente, die bewegten Teile des Linearmotors bilden.The device may include a drive mechanism that drives the cutting elements in Path direction moved. The drive mechanism can e.g. Linear motors include wherein the guide rails of the cutting elements are used as a stator and the Cutting elements, or also the gripper elements, the moving parts of the linear motor form.
Die vorliegende Erfindung schafft ebenfalls eine Vorrichtung zum Schneiden einer Materialbahn, die eine Vielzahl von geradlinig bewegbaren ersten Schneidelementen aufweist, die entlang einem ersten Pfad bewegbar sind, eine Vielzahl von geradlinig bewegbaren ersten Greiferelementen , die entlang dem ersten Pfad bewegbar sind, eine Vielzahl von geradlinigen bewegbaren zweiten Schneidelementen, die entlang einem zweiten Pfad bewegbar sind und mit den ersten Greiferelementen zusammenwirken, und eine Vielzahl von zweiten Greiferelementen, die entlang dem zweiten Pfad bewegbar sind und mit den ersten Greiferelementen zusammenwirken. Die Bahn bewegt sich zwischen dem ersten und dem zweiten Pfad durch einen Signaturschneidbereich.The present invention also provides an apparatus for cutting a Material web that has a large number of linearly movable first cutting elements has, which are movable along a first path, a plurality of rectilinear movable first gripper elements, which are movable along the first path, a A plurality of rectilinear movable second cutting elements which run along a second path are movable and cooperate with the first gripper elements, and a plurality of second gripper elements that are movable along the second path and interact with the first gripper elements. The train moves between the first and the second path through a signature cutting area.
Die ersten Schneidelemente und die ersten Greiferelemente sind vorzugsweise abwechselnd entlang dem ersten Pfad angeordnet. Nachdem sie den Signaturschneidbereich passiert haben, können sich die ersten Greiferelemente in eine entgegengesetzte Richtung zu den zweiten Greiferelementen bewegen, so dass die Signaturen in zwei Ströme geteilt werden.The first cutting elements and the first gripper elements are preferred arranged alternately along the first path. After the Have passed the signature cutting area, the first gripper elements can become one move in the opposite direction to the second gripper elements so that the Signatures can be divided into two streams.
Der erste Pfad und der zweite Pfad sind vorzugsweise zwei geschlossene Kreisbahnen.The first path and the second path are preferably two closed circular paths.
Die Schneidelemente umfassen vorzugsweise ein seitlich bewegbares Messer mit zwei Klingen, das zwischen den einzelnen Signaturen einen Streifen von Material schneidet bzw. heraustrennt. Diese Art Messer wirkt sich vorteilhaft auf die Herstellung von Druckprodukten aus, da ein Messer mit nur einer Klinge mögliche Mängel beim Schnitt oder beim Druck nicht entfernen kann, was dazu führt, dass Farbe von einer Signatur im Randbereich der nächsten Signatur erscheinen kann. Der Materialstreifen, der bei der Verwendung eines Messers mit zwei Klingen entsteht, kann diese Mängel in vorteilhafter Weise beseitigen. Die Vorrichtung kann zusätzlich eine Luftdüsen- und/oder Saugvorrichtung umfassen, mit welcher der Materialstreifen von der Nut, in die sich der Streifen nach dem Schneiden legt, entfernt werden kann.The cutting elements preferably comprise a laterally movable knife with two Blade that cuts a strip of material between the individual signatures or separates. This type of knife has an advantageous effect on the production of Printed products, because a knife with only one blade possible defects in the cut or cannot remove when printing, which results in color from a signature in the Border area of the next signature can appear. The strip of material used in the Using a knife with two blades arises, these shortcomings can be more beneficial Eliminate wise. The device can also be an air nozzle and / or Include suction device with which the strip of material from the groove into which the Strips after cutting, can be removed.
Es ist auch Aufgabe der vorliegenden Erfindung, ein Verfahren zum Schneiden einer Bahn zu schaffen, welches das Schneiden der Bahn in zuverlässiger Weise gestattet und es weiterhin ermöglicht, Signaturen variabler Abschnittslänge herzustellen.It is also an object of the present invention to provide a method for cutting a web create, which allows the web to be cut reliably and continues to do so allows to create signatures of variable section length.
Diese Aufgabe wird erfindungsgemäß durch die Merkmale von Anspruch 12 gelöst. Weitere Merkmale der Erfindung sind in den abhängigen Unteransprüchen enthalten.This object is achieved by the features of claim 12. Further Features of the invention are contained in the dependent subclaims.
Eine Vielzahl von Schneidelementen wird in dem Signaturschneidbereich geradlinig bewegt, wobei sich die Schneidelemente in Bahnrichtung bewegen. "Geradlinig bewegbar" bedeutet hier, dass die Elemente zumindest abschnittsweise auf einer im Wesentlichen gerade verlaufenden Bahn bewegbar sind, im Gegensatz zu kreisförmig bewegbaren Elementen, wie es bei herkömmlichen Schneidezylindern der Fall ist. Die Bahn wird mit der Vielzahl von Schneidelementen in einen Strom von Signaturen geschnitten, wobei sich die Signaturlänge verändert, je nach dem steuerbaren Abstand zwischen den Schneidelementen im Signaturschneidbereich. Die Signaturen werden von einer Vielzahl von Greiferelementen ergriffen, wobei die Greiferelemente mit den Schneidelementen zusammenwirken.A large number of cutting elements are moved in a straight line in the signature cutting area, wherein the cutting elements move in the web direction. "Movable in a straight line" means here that the elements at least in sections on a substantially straight extending path are movable, in contrast to circularly movable elements, such as it is the case with conventional cutting cylinders. The web comes with the multitude of Cutting elements cut into a stream of signatures, extending the signature length changed, depending on the controllable distance between the cutting elements in the Signature cutting area. The signatures are made from a variety of gripper elements gripped, the gripper elements interacting with the cutting elements.
Das Verfahren kann darüber hinaus das abwechselnde Verzweigen der Signaturen umfassen, um einen ersten und einen zweiten Strom von Signaturen zu erhalten.The method can also include alternately branching the signatures, to get a first and a second stream of signatures.
Die Schneidelemente sind in dem Signaturschneidbereich in Bahngeschwindigkeit bewegbar.The cutting elements can be moved at web speed in the signature cutting area.
Das Verfahren sieht weiterhin ein Bremsen der Signaturen nach dem Verlassen des Signaturschneidbereichs und ein Beschleunigen der Schneidelemente vor ihrem Eintritt in den Signaturschneidbereich vor, sofern dies zum Querschneiden der Bahn in vorteilhafter Weise beiträgt. The method further sees a braking of the signatures after leaving the Signature cutting area and an acceleration of the cutting elements before they enter the Signature cutting area before, provided that this is advantageous for cross cutting the web contributes.
Das Verfahren sieht vorzugsweise das Schneiden eines Streifens von Material zwischen jeder einzelnen Signatur vor. Dieser Schneidschritt kann z.B. von einem seitlich drehbarem Messer ausgeführt werden, welches zwei Klingen aufweisen kann. Der Streifen kann dann z.B. mittels einer Gebläse- oder Saugvorrichtung entfernt werden. Indem ein Streifen zwischen den Signaturen entfernt wird, kann die Qualität in den Randbereichen der Signaturen verbessert werden.The method preferably sees the cutting of a strip of material between each individual signature. This cutting step can e.g. from a laterally rotatable Knives are executed, which can have two blades. The strip can then e.g. be removed by means of a blower or suction device. By a streak between the signatures, the quality in the marginal areas of the Signatures are improved.
Die Erfindung wird nachfolgend mit Bezug auf die Zeichnungen anhand bevorzugter Ausführungsformen beschrieben.The invention is more preferred below with reference to the drawings Embodiments described.
In den Zeichnungen zeigen:
- Fig. 1
- zeigt eine schematische Seitenansicht eines erfindungsgemäßen Falzapparats;
- Fig. 2
- zeigt eine genauere Darstellung der Schneid- und Greiferelemente des Falzapparats nach Fig. 1;
- Fig. 3
- zeigt eine perspektivische schematische Seitenansicht des Falzapparats nach Fig. 1;
- Fig. 4
- zeigt eine genaue Ansicht der in Fig. 3 dargestellten Bremsscheibe;
- Fig. 5
- zeigt ein seitlich drehbares Messer nach einer weiteren erfindungsgemäßen Ausführungsform.
- Fig. 1
- shows a schematic side view of a folder according to the invention;
- Fig. 2
- shows a more detailed representation of the cutting and gripper elements of the folder according to Fig. 1;
- Fig. 3
- shows a perspective schematic side view of the folder according to Fig. 1;
- Fig. 4
- shows a detailed view of the brake disc shown in Fig. 3;
- Fig. 5
- shows a laterally rotatable knife according to another embodiment of the invention.
Fig. 1 zeigt einen Falzapparat 100 mit einer ersten Kreisbahn 101 und einer zweiten
Kreisbahn 102. Eine erste Kreisbahn 101 umfasst einen ersten Pfad 105 entlang welchem
eine Vielzahl von Schneidelementen 3a, 3b, 3c, 3d etc. und eine Vielzahl von
Greiferelementen 4a, 4b, 4c, 4d etc bewegt werden. Die Schneidelemente und
Greiferelemente sind abwechselnd entlang des Pfads 105 angeordnet. Die zweite Kreisbahn
102 umfasst ebenso eine Vielzahl von Schneidelementen 13a, 13b, 13c, 13d etc. und eine
Vielzahl von Greiferelementen 14a, 14b, 14c, 14d etc., die entlang einem zweiten Pfad 106
bewegt werden. Fig. 1 shows a
Eine Materialbahn, z.B. aus Papier tritt in einen Spalt ein, der zwischen Kreisbahn 101 und
Kreisbahn 102 gebildet wird. Eine "Bahn", wie sie hier definiert ist, kann einen oder
mehrere Materialbahnstränge umfassen, die bereits der Länge nach gefalzt sein können.
Jedes Schneidelement kann eine Strebe und ein Messer umfassen. Jedes Greiferelement
kann einen Greifer und eine Nut umfassen. Die Bahn 1 wird zwischen der Strebe des
Schneidelements 3b und dem Amboss des Greiferelements 14b ergriffen, wenn das
Schneidelement 3b am ersten Pfad 105 und das Greiferelement 14b am zweiten Pfad 106
zusammen kommen. Die Schneidelemente und die Greiferelemente können sich auf
diesem Abschnitt der Kreisbahnen 101 und 102, der in Fig. 1 als Signaturschneidbereich
1000 dargestellt ist, in Bahngeschwindigkeit bewegen.A web of material, e.g. made of paper enters a gap between circular path 101 and
Während die Bahn den Signaturschneidbereich 1000 passiert, wird sie zwischen der Strebe
und dem Amboss festgehalten und das Messer des Schneidelements schneidet die Bahn 1,
um eine Vielzahl von Signaturen zu schaffen. Ein Messer in Schneidelement 13b schneidet
z.B. eine Bahn 1 gegen den Amboss des Greiferelements 4b. So wird eine Signatur 7
geschaffen. Eine Vorderkante der Signatur, die von Schneidelement 3c geschnitten wurde,
wird von dem Greifer des Greiferelements 14c ergriffen.As the web passes the
Da die Greiferelemente und die Schneidelemente der Kreisbahnen 101 und 102
abwechseln, werden die Signaturen in zwei Ströme geteilt, wenn die Greiferelemente den
Schneidbereich verlassen, so dass ein erster Strom 11a von Signaturen und ein zweiter
Strom 10a von Signaturen gebildet werden. Diese Signaturen können dann von den
Greiferelementen an die Förderelemente 10 und 11 weitergegeben werden. Die Ströme 11a
und 10a können dann beim Verlassen des Signaturschneidbereichs durch die
Greiferelemente gebremst werden, so dass die Geschwindigkeit der Ströme ca. 20 Prozent
der Bahngeschwindigkeit beträgt.Since the gripper elements and the cutting elements of the
Da die Schneidelemente und die Greiferelemente kontrolliert in den Signaturschneidbereich eintreten können, kann die Signaturlänge dadurch verändert werden, dass der Abstand zwischen aufeinanderfolgenden Paaren von Schneid- und Greiferelementen in dem Signaturschneidbereich gesteuert wird. So schafft die vorliegende Erfindung eine variable Signaturlänge (Schnitt-zu-Schnitt-Distanz), die in Fig. 1 als variable Länge L dargestellt ist.Because the cutting elements and the gripper elements are controlled in the Signature cutting area can occur, the signature length can be changed be that the distance between successive pairs of cutting and Gripper elements in the signature cutting area is controlled. So the present creates Invention a variable signature length (cut-to-cut distance), which in Fig. 1 as variable length L is shown.
Fig. 2 zeigt eine genauere Ansicht des Signaturschneidbereichs 1000. Das Greiferelement
14b umfasst einen Amboss 20 und einen drehbaren Greifer 21. Das Schneidelement 3b
umfasst ein Messer 22, das z.B. von der Stütze 23 gehalten wird. Das Messer 22 kann die
Bahn 1 während des Zusammentreffens des Messers 22 und des Amboss 20 schneiden.
Alternativ kann Bahn 1 zunächst zwischen dem Amboss 20 und der Strebe 24 des
Schneidelements 3b gehalten werden und dann Messer 22 bewegt werden, um die Bahn 1
zu schneiden. Die Schnittvorderkante der Bahn kann dann von dem rotierenden Greifer
gegriffen werden, wie an dem weiteren Greiferelement 4b gezeigt wird, das einen Greifer
21 umfasst. Das Messer von Schneidelement 13b ist nicht dargestellt, um die Figur
übersichtlicher zu gestalten, es entspricht jedoch dem Messer von Schneidelement 3b.2 shows a more detailed view of the
Der Greifer 21b drückt die Vorderkante in ihrer ganzen Länge gegen den Amboss 20b,
wobei Beschädigungen der Vorderkante, wie z.B. "Eselsohren" vermieden werden. Die
Hinterkante 28 der vorangehenden Signatur wird zusätzlich vom Greifer 21b von der
Schnittlinie weggedrückt. Im Unterschied zu den meisten anderen Falzapparaten ohne
Nadeln, müssen bei dieser Vorgehensweise die geschnittenen Signaturen beschleunigt
werden, um einen Zwischenraum zwischen der Hinterkante der vorangehenden und der
Vorderkante der nachfolgenden Signatur zu schaffen.The
Das Messer kann ein seitlich bewegbares rotierendes Messer oder ein scherenähnliches Messer sein.The knife can be a laterally movable rotating knife or a scissor-like one Be a knife.
Fig. 5 zeigt ein Schneidelement 113 zum Gebrauch mit der Vorrichtung der Fig. 1 und 2.
Das Schneidelement 113 umfasst einen Rahmen 114, der z.B. durch einen Motor oder ein
Zahnrad in Bahnrichtung und entgegen der Bahnrichtung bewegt werden kann, wie die
Pfeile 115 und 116 zeigen. Der Rahmen 114 stützt die drehbare Messerachse 112, auf der
ein Messer 111 angeordnet ist. Messer 111 umfasst zwei Klingen, die leicht versetzt, z.B.
mit einem Zwischenraum von 2 mm oder weniger, angeordnet sind. 5 shows a
Der Schneidprozess mit diesem Messer verläuft wie folgt: Die Bahn wird zunächst
zwischen einem Amboss 110 und einer Stütze (nicht dargestellt), die sich durch Rahmen
114 ober- und/oder unterhalb des Messers 111 erstreckt, festgeklemmt. Während die Bahn
den Signaturschneidbereich passiert, bewegen sich der Rahmen und das Messer mit den
zwei Klingen 111 in Richtung 115 oder 116 um ein Paar Parallelschnitte durch die Bahn zu
erzeugen. Ein sehr dünner Streifen Schneiderest liegt in Nut 109 des Ambosses 110.The cutting process with this knife proceeds as follows: The web is first
between an
Dieser kleine Streifen Schneiderest kann durch eine Luftdüse 108 oder ein Saugsystem 107
entfernt werden, wie in Fig. 1 dargestellt ist.This small strip of cutting residue can be through an
Fig. 3 zeigt wie die Schneidelement-/Greiferelementpaare so gesteuert werden, dass sie
beschleunigt werden, wenn sie in den Signaturschneidbereich eintreten und gebremst
werden, wenn sie den Signaturschneidbereich verlassen. Jedes Schneidelement und jedes
Greiferelement umfasst einen einziehbaren Stift 15. Wenn eine Reihe von Schneid- und
Greiferelementen eine Rampe 17 passiert, werden die Stifte 15 in die Elemente
zurückgeschoben. Eine Feder in den Elementen drückt den Stift wieder heraus, sobald das
Element die Rampe verlässt, so dass er in eine Nut in einer Scheibe 16 geführt wird. Die
Bewegung der Elemente wird dann von der Scheibe 16 und einer Führungsschiene 18
gesteuert. Während sich die Scheibe 16 gegen den Uhrzeigersinn dreht, führt die
Bewegungseinschränkung, die von Schiene 18 ausgeht, Stift 15 zu dem äußeren Rand der
Scheibe 16. Da der effektive Radius größer wird, werden die Elemente beschleunigt. Wenn
die Stifte die Nuten der Scheibe 16 verlassen, wird die Bewegung der Elemente durch
einen Antriebsmechanismus 120, z.B. einen Riemenantrieb, kontrolliert. Für den zweiten
Pfad 106 sind ähnliche Scheiben vorgesehen, wie auch ein Antriebsmechanismus ähnlich
Antriebsmechanismus 120 vorgesehen werden kann.Fig. 3 shows how the cutting element / gripper element pairs are controlled so that they
are accelerated when they enter the signature cutting area and are braked
when they leave the signature cutting area. Every cutting element and every
Gripper element includes a
Der Antriebsmechanismus 120 hält die Geschwindigkeit der Klemmstrebe auf
Bahngeschwindigkeit. Die Rotationsgeschwindigkeit der Scheibe 16 im Verhältnis zu der
Bahngeschwindigkeit setzt den Abstand zwischen den aufeinanderfolgenden Paaren von
Greifer- und Schneidelementen fest, der die Abschnittslänge der Signaturen bestimmt.
Indem er die relative Geschwindigkeit der Scheibe im Verhältnis zu der
Bahngeschwindigkeit (Druckgeschwindigkeit) verändert, kann der Drucker die Schnitt-zu-Schnitt-Länge
der Signaturen verändern.The
Der Antriebsmechanismus 120 übergibt die Steuerung der Klemmstrebe einer
Bremsscheibe 19. Die Bremsscheibe 19 entspricht der Scheibe 16, außer dass die Scheibe
19 so abgeändert ist, dass sie die Stifte 15 freigibt, wenn sich die Stifte dem minimalen
Radius der Nut in Scheibe 19 nähern. Die Greiferelemente werden auf die gewünschte
Signaturabgabegeschwindigkeit gebremst, weil ihre Bewegung von der Führungsschiene
18 gesteuert wird, die die Greiferelemente so führt, dass Ihre Stifte stetig auf die Mitte der
Bremsscheibe 19 zulaufen.The
Fig. 4 zeigt eine genauere Ansicht der Bremsscheibe 19, die in Fig. 3 dargestellt ist. Fig. 4
zeigt, wie die Nuten 119 zur Mitte der Bremsscheibe 19 hin abgeschrägt sind, so dass der
Stift, während er sich gesteuert von Führungsschiene 18 auf die Mitte der Bremsscheibe 19
zu bewegt, in ein Greifer- oder Schneidelement gedrückt wird. Wenn der Stift 15 aus der
Bremsscheibe 19 entfernt wird, wird die Steuerung der Klemmstrebe an einen weiteren
Antriebsmechanismus 121 übergeben, der dieselbe Geschwindigkeit hat wie die
aufgereiten Greifer- oder Schneidelemente.FIG. 4 shows a more detailed view of the
Als Alternative zu dem mechanischen Antrieb, der in Fig. 3 gezeigt wird, kann auch die
Linearmotortechnologie eingesetzt werden. In diesem Fall werden Führungsschienen, die
die Pfade 105 und 106 bilden können, zu dem Stator des Linearmotors. Diese
Führungsschienen weisen Magnetspulen auf. Die Größe der Spulen kann variieren oder der
Strom in den Spulen kann verändert werden, um ein Beschleunigen oder Bremsen der
Schneid- und Greiferelemente zu bewirken. Daher bestimmen und steuern der Aufbau der
Spulen in dem Stator und die Steuerung der Stromfrequenz in den Spulen die Bewegung
und den Abstand der Greifer- und Schneidelemente, die die beweglichen Teile des
Linearmotors bilden. Die Greifer- und Schneidelemente weisen Magneten auf, die durch
den Strom in den elektrischen Spulen angetrieben, d.h. in Richtung der Führungsschiene
bewegt, werden. As an alternative to the mechanical drive shown in FIG. 3, the
Linear motor technology can be used. In this case, guide rails that
can form
Druckgeschwindigkeitssignale und Eingaben des Druckers, die die gewünschte Schnitt-zu-Schnitt-Länge betreffen, können der Steuerung des Linearmotors zugeführt werden, z.B. durch ein PLC (programmable logic controller), d.h. eine programmierbare Kontrolleinrichtung. Je nach Art des Linearmotors kann eine genaue Positionssteuerung der Klemmstreben den Einsatz von Positionsgebern erfordern, die die aktuelle Position des bewegten Greifer- oder Schneidelements an die Positionssteuerung rückmelden.Print speed signals and printer inputs that indicate the desired cut-to-cut length relate to the control of the linear motor, e.g. by a PLC (programmable logic controller), i.e. a programmable Control device. Depending on the type of linear motor, precise position control can be used the clamping struts require the use of position sensors that indicate the current position of the Report moving gripper or cutting elements to the position control.
Der Begriff "Greiferelement" wie er in der Beschreibung verwendet wird, muss keinen Greifer umfassen, sondern kann lediglich als ein Amboss für ein jeweiliges Schneidelement wirken. The term "gripper element" as used in the description does not have to be Grippers include, but can only be used as an anvil for each Cutting element act.
- 11
- Bahntrain
- 3a, 3b, 3c, 3d etc.3a, 3b, 3c, 3d etc.
- Schneideelementecutting elements
- 4a, 4b, 4c, 4d etc.4a, 4b, 4c, 4d etc.
- Greiferelementegripper elements
- 77
- Signatursignature
- 1010
- Förderelementeconveying elements
- 10a10a
- zweiter Stromsecond stream
- 1111
- Förderelementeconveying elements
- 11a11a
- erster Stromfirst stream
- 13 a, 13b, 13c, 13d etc.13 a, 13b, 13c, 13d etc.
- Schneidelementecutting elements
- 14a, 14b, 14c, 14d etc.14a, 14b, 14c, 14d etc.
- Greiferelementegripper elements
- 1515
- Stiftpen
- 1616
- Scheibedisc
- 1717
- Ramperamp
- 1818
- Führungsschieneguide rail
- 1919
- Bremsscheibebrake disc
- 2020
- Ambossanvil
- 20b20b
- Ambossanvil
- 2121
- rotierender Greiferrotating gripper
- 21b21b
- rotierender Greiferrotating gripper
- 2222
- Messerknife
- 2323
- Stützesupport
- 2424
- Strebestrut
- 2828
- Hinterkantetrailing edge
- 100100
- Falzapparatfolding
- 101101
- Kreisbahnorbit
- 102102
- Kreisbahnorbit
- 105105
- erster Pfadfirst path
- 106106
- zweiter Pfadsecond path
- 107107
- Saugsystemsuction system
- 108108
- Luftdüse/Luftstrahl Air nozzle / jet air
- 109109
- Nutgroove
- 110110
- Ambossanvil
- 111111
- Messerknife
- 112112
- Messerachseblade axis
- 113113
- Schneidelementcutting element
- 114114
- Rahmenframe
- 115115
- Pfeilarrow
- 116116
- Pfeilarrow
- 119119
- Nutgroove
- 120120
- Antriebsmechanismusdrive mechanism
- 121121
- Antriebsmechanismusdrive mechanism
- 10001000
- SignaturschneidbereichSignature cutting area
- LL
- variable Längevariable length
Claims (19)
- Device for cutting a web (1) that is moved at a web velocity into a web direction,
characterized by
a plurality of cutting elements (3a, 3b, 3c, 3d, etc., 13a, 13b, 13c, 13d, etc.) movable linearly in the web direction for cutting the web (1) into signatures (7), and a plurality of gripper elements (4a, 4b, 4c, 4d, etc., 14a, 14b, 14c, 14d, etc.) interacting with the cutting elements (3a, 3b, 3c, 3d, etc., 13a, 13b, 13c, 13d, etc.). - Device according to claim 1,
characterized in that each gripper element (4a, 4b, 4c, 4d, etc., 14a, 14b, 14c, 14d, etc.) comprises a gripper (21, 21b). - Device according to claim 1 or 2,
characterized in that each cutting element (3a, 3b, 3c, 3d, etc., 13a, 13b, 13c, 13d, etc.) comprises a knife (22). - Device according to one of the preceding claims,
characterized in that each gripper element (4a, 4b, 4c, 4d, etc. 14a, 14b, 14c, 14d, etc.) comprises an anvil (110). - Device according to one of the preceding claims,
characterized in that each cutting element (3a, 3b, 3c, 3d, etc., 13a, 13b, 13c, 13d, etc.) comprises a double-bladed knife (22) that is movable laterally. - Device according to one of the preceding claims,
characterized in that each gripper element (4a, 4b, 4c, 4d, etc., 14a, 14b, 14c, 14d, etc.) comprises a pin (15) and a deceleration disk (19) interacting with the pin (15). - Device according to one of the preceding claims,
characterized by
a drive mechanism (120), which moves the cutting elements (3a, 3b, 3c, 3d, etc., 13a, 13b, 13c, 13d, etc.) in the web direction. - Device for cutting a web (1) according to one of the preceding claims,
characterized by
a plurality of first cutting elements (3a, 3b, 3c, 3d, etc.) movable linearly along a first path (105),
a plurality of first gripper elements (4a, 4b, 4c, 4d, etc.) movable linearly along the first path (105),
a plurality of second cutting elements (13a, 13b, 13c, 13d, etc.) movable linearly along a second path (106) and interacting with the first gripper elements (4a, 4b, 4c, 4d, etc.),
a plurality of second gripper elements (14a, 14b, 14c, 14d, etc.) that move along the second path (106) and interact with the first cutting elements (3a,3 b, 3c, 3d, etc.),
wherein the web (1) passes between the first path (105) and the second path (106) through a signature cutting region (1000). - Device according to claim 8,
characterized in that the first cutting elements (3a, 3b, 3c, 3d, etc.) and the first gripper elements (4a, 4b, 4c, 4d, etc.) are arranged along the first path (105) in an alternating fashion. - Device according to claim 8 or 9,
characterized in that the first gripper elements (4a, 4b, 4c, 4d, etc.) move in a direction opposite to the direction of the second gripper elements (14a, 14b, 14c, 14d, etc.) after they have passed the signature cutting region (1000). - Device according to one of claims 8 to 10,
characterized in that the first path (105) is a loop (101) and/or that the second path (106) is a loop (102). - Method of cutting a web (1) moving into a web direction in a signature cutting region (1000),
characterized by
the following method steps:linearly moving a plurality of cutting elements (3a, 3b, 3c, 3d, etc., 13a, 13b, 13c, 13d, etc.) into the web direction in the signature cutting region (1000); cutting the web (1) by means of the plurality of cutting elements (3a, 3b, 3c, 3d, etc., 13a, 13b, 13c, 13d, etc.) to form signatures (7);gripping the signatures (7) by a plurality of gripper elements (4a, 4b, 4c, 4d, etc., 14a, 14b, 14c, 14d, etc.) interacting with the cutting elements; andchanging the length of the signatures (7) by controlling the spacings between the cutting elements (3a, 3b, 3c, 3d, etc., 13a, 13b, 13c, 13d, etc.) in the signature cutting region (1000). - Method according to claim 12,
characterized by
diverting the signatures (7) in an alternating way to create a first stream (11a) and a second stream (10a) of signatures. - Method according to claim 12 or 13,
characterized by
moving the web (1) at a web speed and moving the cutting elements (3a, 3b, 3c, 3d, etc., 13a, 13b, 13c, 13d, etc.) at the web speed in the signature cutting region (1000). - Method according to one of the preceding claims 12 to 14,
characterized by
decelerating the signatures (7) after they leave the signature cutting region (1000). - Method according to one of claims 12 to 15,
characterized by
accelerating the cutting elements (3a, 3b, 3c, 3d, etc., 13a, 13b, 13c, 13d, etc.) before they enter the signature cutting region (1000). - Method according to one of claims 12 to 16,
characterized by
cutting a thin strip of material from the web (1) as the web (1) is cut by a double-bladed knife (22). - Method according to one of claims 12-17,
characterized in that the linear moving is performed with the aid of a linear motor. - Web-fed rotary printing press,
characterized by
a device according to one of claims 1 to 11.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/452,975 US6684746B2 (en) | 1999-12-02 | 1999-12-02 | Variable-length cut-off folder and method |
US452975 | 1999-12-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1106551A2 EP1106551A2 (en) | 2001-06-13 |
EP1106551A3 EP1106551A3 (en) | 2003-06-04 |
EP1106551B1 true EP1106551B1 (en) | 2004-09-29 |
Family
ID=23798725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00124482A Expired - Lifetime EP1106551B1 (en) | 1999-12-02 | 2000-11-09 | Apparatus and method for cutting a web |
Country Status (5)
Country | Link |
---|---|
US (1) | US6684746B2 (en) |
EP (1) | EP1106551B1 (en) |
JP (1) | JP4690538B2 (en) |
AT (1) | ATE277854T1 (en) |
DE (2) | DE10055582A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6067883A (en) * | 1997-08-13 | 2000-05-30 | Heidelberger Druckmaschinen Ag | Method and apparatus for providing positive control of a printable medium in a printing system |
ITMI20031934A1 (en) * | 2003-10-08 | 2005-04-09 | Saldoflex S R L | WELDING GROUP HANDLING DEVICE, PARTICULARLY FOR MACHINES FOR THE MANUFACTURE OF PLASTIC BAGS |
US8002257B2 (en) * | 2009-02-06 | 2011-08-23 | Goss International Americas, Inc. | Web conversion and collating apparatus and method |
US8020845B2 (en) * | 2009-02-06 | 2011-09-20 | Goss International Americas, Inc. | Single level web conversion apparatus and method |
US8020847B2 (en) * | 2009-02-06 | 2011-09-20 | Goss International Americas, Inc. | Multiple delivery web conversion apparatus and method of producing and delivering variable printed products |
US7963515B2 (en) * | 2009-02-06 | 2011-06-21 | Goss International Americas, Inc. | Adjustable delivery web conversion apparatus and method |
CN102458781B (en) * | 2009-06-08 | 2015-08-26 | 包米勒公司 | Manufacture method, folding method and the separator of single segments of material up to specification and cut folding system |
DE102009039278A1 (en) * | 2009-08-28 | 2011-06-01 | Manroland Ag | Format variable web press |
US20130269493A1 (en) * | 2012-04-17 | 2013-10-17 | Goss International Americas, Inc. | Variable cutoff in a cutter folder |
US9434083B2 (en) | 2012-05-01 | 2016-09-06 | Goss International Americas, Inc. | Double cut folder with variable knife mounting locations on cutting cylinders |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1478998A (en) * | 1924-01-01 | Assighobx | ||
US1355449A (en) * | 1920-10-12 | Cutter or grippes for use in drawing sheet-glass | ||
US1939196A (en) | 1932-02-26 | 1933-12-12 | Cottrell C B & Sons Co | Sheet cutting and feeding machine |
US2262988A (en) * | 1937-10-04 | 1941-11-18 | Libbey Owens Ford Glass Co | Apparatus for cutting sheet glass |
US2512204A (en) * | 1946-04-11 | 1950-06-20 | Bethlehem Steel Corp | Flying saw |
US3054315A (en) * | 1958-03-03 | 1962-09-18 | Wean Engineering Co Inc | Variable feed for strip material to a flying cutter |
US3122467A (en) * | 1960-12-12 | 1964-02-25 | Gilbert H Hannon | Chain operated working head for material converting machinery |
US3192096A (en) * | 1962-07-16 | 1965-06-29 | Doughboy Ind Inc | Conveying and sealing apparatus |
DE1479627B2 (en) * | 1962-08-23 | 1971-11-11 | Trans-Atlas AG, Basel (Schweiz) | MACHINE FOR PROCESSING, PREFERABLY WELDING AND SEPARATING A DOUBLE LINE, IN PARTICULAR A THERMOPLASTIC FILM, WHEN MANUFACTURING BAGS |
US3247744A (en) * | 1964-05-11 | 1966-04-26 | Huck | Apparatus for cross cutting traveling strip materials |
US3275118A (en) * | 1965-04-15 | 1966-09-27 | Chicago Machinery Lab Inc | Trimming machine |
US3623386A (en) * | 1970-03-20 | 1971-11-30 | Ibm | High throughput on-the-fly card cutting apparatus |
US3858476A (en) * | 1971-08-31 | 1975-01-07 | Westvaco Corp | Accordion, folding and cutting apparatus |
US3947013A (en) | 1974-07-22 | 1976-03-30 | Paper Converting Machine Company | Method of zig-zag folding and apparatus therefor |
DE3721515C1 (en) * | 1987-06-30 | 1988-10-20 | Roland Man Druckmasch | Device for distributing printed copies |
DE3828372C2 (en) | 1988-08-20 | 1995-12-21 | Frankenthal Ag Albert | Folder |
US5624369A (en) * | 1994-12-15 | 1997-04-29 | Griffin Automation, Inc. | Method and apparatus for forming slotted and creased box blanks |
US5740900A (en) | 1995-07-20 | 1998-04-21 | Heidelberger Druckmaschinen Ag | Apparatus for splitting a product stream |
US5865082A (en) | 1996-09-04 | 1999-02-02 | Heidelberg Harris Inc. | Apparatus for transporting signatures |
US6056682A (en) * | 1997-12-22 | 2000-05-02 | Heidelberger Druckmaschinen Ag | Method and apparatus for severing a running material web in a folding apparatus of a web-fed rotary printing press |
US6460439B2 (en) * | 1998-11-04 | 2002-10-08 | Heidelberger Druckmaschinen Ag | Integrated knife assembly |
US6360640B1 (en) * | 1999-07-13 | 2002-03-26 | Heidelberger Druckmaschinen | Variable velocity cutting cylinders |
US6537188B1 (en) * | 2000-04-27 | 2003-03-25 | Heidelberger Druckmaschinen Ag | Variable-length cut-off jaw folder |
-
1999
- 1999-12-02 US US09/452,975 patent/US6684746B2/en not_active Expired - Fee Related
-
2000
- 2000-11-09 EP EP00124482A patent/EP1106551B1/en not_active Expired - Lifetime
- 2000-11-09 DE DE10055582A patent/DE10055582A1/en not_active Withdrawn
- 2000-11-09 DE DE50007977T patent/DE50007977D1/en not_active Expired - Lifetime
- 2000-11-09 AT AT00124482T patent/ATE277854T1/en not_active IP Right Cessation
- 2000-12-04 JP JP2000368432A patent/JP4690538B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE277854T1 (en) | 2004-10-15 |
US20030115997A1 (en) | 2003-06-26 |
EP1106551A2 (en) | 2001-06-13 |
JP2001206622A (en) | 2001-07-31 |
DE50007977D1 (en) | 2004-11-04 |
JP4690538B2 (en) | 2011-06-01 |
US6684746B2 (en) | 2004-02-03 |
EP1106551A3 (en) | 2003-06-04 |
DE10055582A1 (en) | 2001-06-07 |
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