EP0896943B1 - Verfahren und Vorrichtung zur stufenlosen Regulierung eines bedruckbaren Materials in einem Drucksystem - Google Patents
Verfahren und Vorrichtung zur stufenlosen Regulierung eines bedruckbaren Materials in einem Drucksystem Download PDFInfo
- Publication number
- EP0896943B1 EP0896943B1 EP19980112877 EP98112877A EP0896943B1 EP 0896943 B1 EP0896943 B1 EP 0896943B1 EP 19980112877 EP19980112877 EP 19980112877 EP 98112877 A EP98112877 A EP 98112877A EP 0896943 B1 EP0896943 B1 EP 0896943B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printable medium
- gripper
- contacting
- bar
- cam
- 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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/02—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles
- B65H29/04—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by endless chains or bands
- B65H29/042—Intermediate conveyors, e.g. transferring devices
- B65H29/044—Intermediate conveyors, e.g. transferring devices conveying through a machine
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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
- B65H29/06—Delivering or advancing articles from machines; Advancing articles to or into piles by mechanical grippers engaging the leading edge only of the articles the grippers being carried by rotating members
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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
- B65H35/08—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 from or with revolving, e.g. cylinder, cutters or perforators
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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
- Y10T83/04—Processes
- Y10T83/0448—With subsequent handling [i.e., of product]
-
- 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
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2183—Product mover including gripper means
-
- 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
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2192—Endless conveyor
-
- 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
- Y10T83/202—With product handling means
- Y10T83/2092—Means to move, guide, or permit free fall or flight of product
- Y10T83/2192—Endless conveyor
- Y10T83/2194—And means to remove product therefrom
-
- 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
- Y10T83/4734—Flying support or guide for work
-
- 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
- Y10T83/4795—Rotary tool
- Y10T83/483—With cooperating rotary cutter or backup
-
- 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
- Y10T83/647—With means to convey work relative to tool station
- Y10T83/654—With work-constraining means on work conveyor [i.e., "work-carrier"]
- Y10T83/6542—Plural means to constrain plural work pieces
Definitions
- the present invention relates generally to printing systems.
- Processing a web-like printable material includes, for example, that Cutting the web-like printable material along its feed direction in two or more continuous webs or strands. Each of the web strands will then processed separately to create sheet-like signatures by placing each strand in is cut at regular intervals in a direction transverse to the feed direction. Each the resulting signature has a leading edge and a trailing edge relative to the Feed direction.
- the processing of the web-like printable material can additionally include, for example, folding the web strand before it is separated Signatures is cut.
- Pointless folders do not require the web strand to be pinned onto the web Cutting cylinder before cutting the strand to the trailing edge of one separate the following signature from the front edge of the web strand.
- folders suffer from an associated loss of control over the Leading edge after the cutting process. This loss of control can lead to a subsequent damage to the signatures. So the signatures can for example, bend it up at the corners of the leading edge.
- the use of pointless folders therefore limit the speed at which a printable Material can be processed. Accordingly, attempts to Processing speed of a printing system without damaging the signatures Increase efforts to control the leading edge of the web strand to regain without needling the leading edge onto the cutting cylinder got to.
- the two solutions used to deal with the above problem are: (1) stapling the leading edge of the strand to the cutting cylinder by means of static Electricity, and (2) waves of the web strand as it is fed to the cutting cylinder becomes.
- these solutions are accompanied by disadvantages.
- the first solution includes For example, an electrical charging of the web strand, so that static electricity to the Holding the leading edge of the web strand on the cutting cylinder can be used.
- the strand was crimped before being cut into signatures this electrical charge of the print processing problems, if the folded signatures have to be opened again. That means that the electric charged, folded signatures open an opening during the Oppose print finishing.
- the second solution involves stamping waves onto the web strand around which Stiffen strand for transportation to the next zone with constraints to Example of a downstream signature braking device.
- devices used to curl the web strand are tall Devices exposed to wear with sensitive settings. These devices as such are difficult to maintain and require a great deal of operator intervention.
- the document US-A-3,483,780 describes a device for stepless Regulation of a printable material according to the preamble of claim 1 and for performing a method according to the preamble of claim 11, the has an endless transport device with a gripping device, the grippers convey the material through a cutting zone. The cutter is while synchronized to the gripping device to transport the material in ensure immediate proximity to the cutting zone.
- the present invention relates to a method and an apparatus for stepless regulation of a printable material in a printing system in such a way that high speed processing of the printable material can be achieved can occur without damage to the product (e.g. printed signatures).
- Embodiments are directed to a transport device which is the printable Material contacted from both sides (e.g. grabs) to allow for continuous regulation of the cause printable material if this is from a zone with constraints (e.g. a folder of a folder) to another zone Constraints (e.g. conveyor belts and / or a signature braking device behind the cutting cylinders).
- exemplary embodiments relate to a method and a device for the continuous (i.e. active) regulation of a printable material that is Printing system is processed, which include the following: A device for Contacting a printable material from a first and a second side of the printable material, and a device for driving the contacting device along a transport path of the printable material in synchronization with the printable material.
- the drive device comprise a first roller chain transport device which is on a first side of the is arranged printable material, and a second roller chain transport device, which is on a second side of the printable material.
- the first and the second roller carrier transport device can each contacting devices include, for example, trusses.
- the crossbeams of the first roller chain conveyor are synchronized with the crossbeams of the second roller chain conveyor driven in such a way that a traverse from the first Roller chain conveyor and a traverse from the second roller chain conveyor each form a pair of trusses. Every truss pair contacts that printable material from opposite sides and feeds the printable material in Connection with the roller chain transport device from a zone with Constraints to the next.
- FIG. 1 shows an example of a transport device 100 which is in accordance with the present invention is configured.
- the transport device 100 according to FIG. 1 is in Connection shown with a modified pair of cutting cylinders 102.
- the Transport device 100 transports a printable material, for example one Railway strand 104, from an earlier zone with constraints (e.g. one Folding device of a pointless folder) along a transport path 106 to the modified pair of cutting cylinders 102.
- constraints e.g. one Folding device of a pointless folder
- transports the exemplary transport device 100 also the cut signatures from the modified cutting cylinder pair to a next zone with constraints, such as for example a downstream transport device (for example a signature braking device, which is not shown in Fig. 1 for the sake of clarity).
- the modified pair of cutting cylinders 102 cuts a trailing edge of a downstream one Signature 108 from the web strand and thereby places the leading edge of a signature in front of it forth.
- Fig. 1 shows the pair of cutting cylinders 102 when cutting a rear edge of the second signature 108.
- the modified cutting cylinder pair comprises 102 a modified knife cylinder 112.
- this includes Cutting cylinder pair an anvil cylinder 114, which in accordance with a Embodiment of the present invention was modified.
- the modifications on the knife cylinder 112 and on the anvil cylinder 114 comprise a configuration of the Circumference of the respective cylinder, which allows items of the transport device 100 are passed between the pair of cutting cylinders and thereby one continuous regulation of the train and the signatures produced from it the cutting process is maintained.
- the brackets are for the sake of simplicity for the knife cylinder 112 and the anvil cylinder 114 not shown in FIG. 1.
- these cylinders are attached in a known manner can and that what forms part of the embodiment of the invention, the Configuration of these cylinders and their correlation with the transport device Are 100.
- the transport device 100 comprises a first roller chain transport device 120 for contacting the printable material from one side and a second roller chain transport device 122 for contacting the printable material from an opposite side.
- the the first and the second roller chain transport device work in synchronism stepless regulation of a transport of the web strand 104 from a zone with Constraints in front of the pair of cutting cylinders 102 by the pair of cutting cylinders, where Signatures are formed.
- the first and second roller chain conveyors maintain a stepless regulation of the signatures when they become one downstream zone can be transported with constraints.
- the first roller chain conveyor 120 includes a first a drive chain 124 running through a loop, which via a first transmission (for example a sprocket) 126 is driven, and a second gear 128.
- the first Roller chain conveyor 120 further includes a second loop continuous drive chain 130, which has a first gear 132 and a second gear 134 is driven.
- the second roller chain conveyor 122 includes a first loop continuous drive chain 136, which has a first and a second gear 138 and 140 is driven. As in the case of the first roller chain conveyor 120 the second roller chain conveyor 122 is a second loop Drive chain 142, which are driven by a first and a second gear 144 and 146, respectively becomes.
- the first and second looped drive chains 124 and 130 of the first Roller chain transport device 120 are synchronized in a first Direction 148 driven while the first and second drive chains of the second Roller chain transport device in mutual synchronization in a second direction 150 driven.
- they are the first and the second transmission of the first looped drive chain 136 the first and the second gear the second loop Drive chain 142 each connected so that the first and second loops continuous drive chain of the second roller chain transport device in synchronism rotate.
- the directions of rotation 148 and 150 of the first and the second roller chain transport device correspond to directions 116 and 118 with which the modified Knife cylinder 112 or the modified anvil cylinder 114 are driven.
- the for used the modified knife or the modified anvil cylinder Drive devices are conventional and need not be described in detail , except that it should be noted that the web strand is in synchronization with the modified pair of cutting cylinders can be transported so that the rear edges of the Signatures 108 and 110 can be cut at regular intervals Create signatures of the desired (e.g. uniform) length.
- the specialist will further recognize that the drive device for the cutting cylinder in synchronism with a conventional drive of the first and the second roller chain transport device can be regulated using conventional chaining (e.g. a gear drive) is used.
- the first and second roller chain conveyors 120 and 122 contact the Web strand 104 and the signatures 108 and 110 of FIG. 1 via trusses, each with the first and the second roller chain transport device are connected. More accurate said in the exemplary embodiment according to FIG. 1 comprises the first roller chain transport device Grapple traverses 152 to 164.
- the second roller chain transport device 122 includes roller trusses 166 to 174.
- the gripper traverses of the first roller chain transport device 120 rotate in the Synchronization with the roller bars of the second roller chain transport device in the Way that the web strand 104 along the path 106 in the direction of the modified A pair of cutting cylinders is transported, a gripper bar (e.g. gripper bar 152) Web strand 104 contacted from one side while a corresponding roller bar (e.g. Roller bar 166) contacted the strand from the other side.
- the pair of grippers / rollers then moves in one direction of the printable material 104 the transport route 106.
- the gripper / roller crossbar pairs move (such as gripper bar 152 and roller bar 166) not with the same speed at which the web strand 104 is moving. Rather move the gripper / roller truss pairs at a speed that is slightly higher than that of the web strand 104, so that gripper 176 of the gripper bar 152 over a surface of the Web strand 104 will roll as it moves to a position behind the modified one Cutting cylinder pair is transported.
- each gripper bar is configured so that it is a A plurality of the grippers 176 includes, which are fixedly mounted on a holding bar 178. So 1 includes, for example, gripper bars in which six this gripper are arranged on the holding bar 178. In contrast, the Roller bars, such as roller bar 166, each have a roller 180 which is on a Retaining bar 182 is attached.
- each gripper and roller support bar rotatable with respect to the first and second Roller chain transport device stored.
- each gripper holding bar 178 and each roller holding strip 182 in the exemplary embodiment according to FIG. 1 can be rotated in each case through the first and the second drive chain of the first and the second second roller chain transport device is mounted.
- Fig. 2 shows a partial view of the transport device 100 in connection with the modified cutting cylinder pair 102.
- the circumference of knife cylinder 112 and anvil cylinder 114 are each configured that the gripper and roller bars pass through the pair of cutting cylinders 102 is made possible. This means that the circumference of these cylinders in diameter at all Make the circumference except where the two knives and the two are Anvils, has been reduced.
- a gripper bar 164 and a corresponding roller bar 174 are in one place the contact with the web strand 104 directly in front of the pair of cutting cylinders 102 in shown the moment when a knife and anvil of the pair of cutting cylinders Cut the rear edge of the signature 108 located behind it. Because the trusses along of path 106 are transported at a speed higher than that of the Web strand 104, grippers 176 and rollers 180 rotate from each pair of trusses over the surface of the web strand and in a gripping position, which is behind the Cutting cylinder pair is located. One gripper finger 200 is in the gripping position rotated by each gripper 176 to a position where it is the leading edge of the web strand takes hold.
- the rollers 180 from each roller bar, for example roller bar 168, are included Provide slots 202 which are used to hold a respective gripper finger 200 on the Gripping position are configured.
- FIG. 3 shows the sequence of movements of a rotating gripper 176 and its associated one Gripper fingers 200 while the grippers extend both lengthways in the direction 106 and rotated over the strand surface.
- Fig. 3 also shows the interaction of the Gripper 176 with an associated roller 180, which is provided with a slot 202.
- the gripper finger 200 using a configured spring-like material that is pivotally attached to a fulcrum 316.
- the gripper finger remains in a slot 318 of the gripper 176 until the Rotating the gripper created inertia together with gravity the gripper finger causes it to move out of the slot and into a gripping position.
- the gripper finger is designed with an opening 320 for gripping an edge of the printable Material is executed in the gripping position. When turning the gripper 176 backwards the gripper finger clears the edge of the printable material and turns it back into slot 318.
- the gripper finger 200 in front of the pair of cutting cylinders 102 (i.e. that Cutting cylinder pair would be in the lower half of the illustration according to FIG. 3 are located).
- the first and second roller chain conveyors have 1 rotated so that the gripper 176 and the roll 180 has been brought into contact with the web strand 104.
- the gripper 176 and the associated roller 180 move together lengthways along path 106 at a speed that is higher is than that with which the web strand 104 is transported.
- the gripper 176 and the roller 180 rotate in the directions with respect to the web strand are indicated by respective arrows 326 and 328.
- the exemplary position of the gripper 176 and roll 180 in the first step 300 may be for the purpose of the present Explanation can be regarded as a position that exists at the moment when the downstream cutting cylinder pair cuts the rear edge of a signature that is straight is processed (that is, the position of the gripper bar 164 and the roller bar 174 in Fig. 2).
- the gripper 176 and the roller 180 thus necessarily touch the web strand 104 before the time at which a cutting operation is carried out.
- the grippers 176 have and moves the roller 180 longitudinally along the transport path at a speed that is higher than that of web strand 104. In addition to this, they have different due to their higher speed with respect to the speed of the web strand also with respect of the web strand rotated.
- the exemplary position of the Gripper fingers 200 and the slot 202 in the second step 302 with their position in the first step 300 are compared.
- the accelerated speed of the gripper and roller bars is in the motion sequence shown by hinting that these elements are the leading edge of the Pack the signature that is just being separated from the web strand so that this leading edge can inevitably be grasped up to the point at which the rear edge of the relevant signature is separated from the web strand in step 314. That means a Rotating the grippers and rollers takes place during a third step 304, a fourth Step 306, a fifth step 308, a sixth step 310 and a seventh 3 in order to achieve a gripping position which is indicated by the eighth step 314 is shown.
- the gripper finger grips 200 actually a leading edge of a signature that is separated from web strand 104.
- the slot 202 of the roller bar 180 has synchronized with the gripper 176 rotated to a location where the slot holds the gripper finger 202 in the gripping position records.
- Fig. 4 shows a leading edge of a signature 108, the trailing edge of which is straight from that upstream pair of cutting cylinders is cut. 4 also shows a signature 110 directly in front of a release of its leading edge in a zone behind Forced conditions, for example a braking device 402 arranged behind it.
- a gripper 176 is shown at a point 400 at which the gripper finger 200 just the front edge of the signature 110 to the braking device 402 releases. As soon as the gripper 176 in Fig. 4 releases the front edge, this is from the braking device 402 arranged behind it is detected, for example by the gripper arm a braking drum described in US 5,452,886 and US 5,560,599 which were transferred together. These patents concern infinitely adjustable Brake drums to reduce the transport speed of the cut Signatures can be used for downstream processing.
- the first roller chain transport device 120 is as in the vertical direction of the illustration under the second roller chain transport device 122 shown extending. In the illustrated embodiment this deviation in the length of the two roller chain transport devices provided to accommodate the braking device 402 which extends along the dashed path 404 rotates.
- the transportation speed is associated with the first roller chain transport device at a speed of Braking device 402 synchronized at the point at which the gripper finger 200 Releases the front edge to the braking device 402 at position 400.
- the Braking device 402 then delays the speed at which the signature in known way is transported.
- a position 406 in front of one is Front edge of a signature 108 shown.
- a Gripper fingers 200 of a gripper 176 along a surface of a web strand to the Gripping position rotated at one leading edge of the web strand at a time has taken approximately that of separating those associated with the signature 108 Corresponds to the rear edge.
- This gripping of the leading edge by the gripper finger 200 in FIG. 4 corresponds to step 314 in FIG. 3.
- the gripper finger 200 receives an inevitable one Handle on the leading edge of the severed signature 108 upright to match the signature position 400 to be transported behind, at which the signature to the Braking device 402 is released.
- FIG. 5 shows the rotation of the gripper bars and the associated roller bars.
- the gripper and roller holding strips 178 and 182 are opposite ends of the retaining strips rotatably attached.
- they are Holding bars of the grippers and rollers rotatably attached in blocks to the first and the second drive chain running through a loop are connected.
- Coupling mechanisms are used. These include from Browning Manufacturing Inc., U.S.A., available brackets as described in their 1991 Catalog No. 11.
- Rotating the gripper and roller bars with respect to the printable material will achieved by means of a cam track device.
- a cam track device For example, turning the Gripper with respect to the printable material by a cam track 500 of the first Roller chain transport device 120 regulated.
- a similar cam track is related of the second roller chain transport device 122 of FIG. 1 is provided.
- For Simplification of the following explanation is, however, only the first in FIG. 5 Roller chain transport device 120 and the associated cam track shown.
- Each of the gripper bars is made by the action of a cam follower 502 and one associated counter gear assembly rotated, which operated to rotate the retaining bar 178 becomes.
- the cam track 500 includes several sections for rotating the grippers, wherein each section is designed with a different cam track profile.
- a first one Section 504 of the cam track 500 rotates the support ledge 178 and those attached thereto Gripper fingers in a first direction of rotation by a first angle of rotation (for example 180 Degrees) to the gripping position at which the gripper fingers grip a front edge of the web strand, before a trailing edge of a signature is separated from the web strand.
- a second Section 505 of the cam track 500 keeps the holding bar 178 in a fixed rotational state in which the grippers keep a grip on the front edge of the web strand.
- a third section 506 of the cam track rotates the holding strip 178 and the gripper fingers attached to it a second direction opposite to the first direction, around the leading edge of a to release the cut signature.
- the first section 504 of the cam track 500 an increasing profile that causes the gripper fingers of each gripper bar to move the Grip leading edge of the web strand.
- the second section 505 of the cam track 500 has a relatively flat profile, in the course of which the gripper fingers grip the front edge to keep.
- the third section 506 of the cam track 500 has an increasing profile an inclination of opposite polarity compared to the first section 504 ⁇ m to cause the gripper fingers of a respective gripper bar to release the signature, when the cam follower approaches the downstream braking device.
- the holding bar 178 of each gripper bar passes the second loop continuous drive chain 130 of the first roller chain transport device 120 in order to to cooperate with the cam track device.
- the holding strips 182 of the roller strips 1 are similar.
- FIG. 6 shows in more detail the connection between the cam follower 502 and the holding bar 178 of a gripper bar for the first and second sections 504 and 505 of the cam track 500.
- the holding strip 178 extends over the second loop drive chain 130 (shown in FIG 6 is not shown) and by a block 600 connected to the linked links of the second looped drive chain 130 attached in a conventional manner is, for example, one available from Browning Manufacturing Inc., U.S.A. Link is used.
- the block 600 is designed in a known manner in order to provide a rotatable mounting for the Holding bar 178 and a first cam gear 602 to provide.
- the specialist will recognize that the retaining bar 178 with respect to the block 600 by means of an within the Blocks contained conventional bearing or a rotatable device rotates.
- a Similar block-like connection can be used to the opposite end of the holding arm 178 (that is, the end of the holding arm which is opposite the Cam track 500) is rotatably attached to the first loop continuous drive chain 124 of the first roller chain transport device shown in FIG. 5 120.
- a second cam gear 604 of FIG. 6 is on one End of the retaining strip 178 is provided next to the cam track 500 and is fixed thereon attached to the support bar 178 in response to the rotation of the first cam gear 602 to rotate.
- the first and second cam gears 602 and 604 are engaged so arranged that the second cam gear 604 with the first cam gear 602 rotates by a value that is determined by the gear ratio between the teeth this gear is specified.
- shaft used with respect to block 600 is also used for the fixed attachment of a Cam lever arm 606 used.
- the cam lever arm can, for example, be firmly attached to the Shaft of the first cam gear 602 attached in any conventional manner (e.g. screwing, welding, etc.).
- the cam lever arm is 606 to rotate the first cam gear 602 90 degrees when the Cam tappet 502 the low to high profile of the first cam track section 504 goes through.
- the second cam gear 604 rotates clockwise during the movement of the Cam follower along the first cam track section 504 in response to the first Cam gear 602, which during the first portion 504 of the cam track 500 in Counterclockwise rotation turns.
- the gear ratio is set to make a 90 degree rotation of the first cam gear 602 a 180 degree rotation of the second Cam gear 604 and thus the gripper holding bar 178 causes.
- Fig. 6 are on the second cam gear 604 and the gripper holding strip 178 after one point 608 90 degree rotation from its starting point due to a 45 degree rotation of the first cam gear 602 and cam lever arm 606 by cam follower 502 shown.
- the gripper holding bar is then turned into a gripping position 610 in the 6, in which it extends 180 degrees from its initial position due to a 90 degree rotation of the first cam gear 602 and the cam lever arm 606 shot.
- the gripper fingers 200 are thereby caused with the holding bar 178 clockwise to the gripping position. 1 are for an operation carried out by means of a similar cam track device, the Turning clockwise causes it to run in synchronization with the rotation of the gripper bars he follows. This turning of the gripper and roller bars continues up to the high zone of the 5 continues.
- cam track designs can be used to achieve any desired effect (like for example any dimension of rotation) and that the invention is not accurate Cam track device is limited, which is shown in FIGS. 5 and 6.
- this is between the first and second Cam gear 602 and 604 selected gear ratio as well as any other part of the Chaining can be chosen in any desired manner to suit each to achieve the desired dimension of rotation of the holding strips 178 and 182.
- cam track 500 of FIG. 6 is shown on a right side of the first roller chain conveyor, which Invention is not so limited. Rather, the cam track on everyone Side of the first and the second roller chain transport device can be provided.
- grabs, rollers and trusses as well as all using other components of the embodiments described herein any conventional materials can be performed.
- the rollers and grabs can, for example, use material with a higher Friction coefficients are carried out, such as rubber or urethane.
- the Gripper fingers can be used as spring-like elements using spring steel and the trusses Steel shafts are executed.
- the according to the embodiments of the present Gears used in the invention can also be made of any material be, including but not limited to, plastic or any Metal (e.g. bronze, steel, etc.).
- the cam lever arms can be similar Be made of any easily available material.
- Furthermore, can any number of grippers or rollers on the gripper or roller holding strips be provided.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
Description
Es zeigen:
- Fig. 1
- eine Darstellung eines Ausführungsbeispiels der vorliegenden Erfindung;
- Fig. 2
- Merkmale des Ausführungsbeispiels gemäß Fig. 1 in näherem Detail an einer Stelle, an der eine Hinterkante von einer Signatur von einem Bahnstrang geschnitten wird;
- Fig. 3
- einen beispielhaften Bewegungsablauf und das Drehen von Traversen aus dem Ausführungsbeispiel gemäß Fig. 1 bei deren Bewegung entlang des Transportwegs eines Bahnstrangs;
- Fig. 4
- die Darstellung eines Transports einer Signatur gemäß dem Ausführungsbeispiel nach Fig. 1 in näherem Detail;
- Fig. 5
- eine beispielhafte Art und Weise, in der Traversen gemäß den Ausführungsbeispielen nach Fig. 1 und Fig. 3 mittels einer Nockenbahn-Vorrichtung gedreht werden, und
- Fig. 6
- einen Teil der Nockenbahn-Vorrichtung des Ausführungsbeispiels gemäß Fig. 5 und einen Bewegungsablauf eines Traversenpaars, während dieses das bedruckbare Material greift.
- 100
- Transporteinrichtung
- 102
- Schneidzylinderpaar
- 104
- Bahnstrang
- 106
- Transportweg
- 108
- Signatur
- 110
- Signatur
- 112
- Messerzylinder
- 114
- Amboßzylinder
- 116
- Richtung
- 118
- Richtung
- 120
- erste Rollenketten-Transporteinrichtung
- 122
- zweite Rollenketten-Transporteinrichtung
- 124
- erste eine Schleife durchlaufende Antriebskette
- 126
- erstes Getriebe
- 128
- zweites Getriebe
- 130
- zweite eine Schleife durchlaufende Antriebskette
- 132
- erstes Getriebe
- 134
- zweites Getriebe
- 136
- erste eine Schleife durchlaufende Antriebskette
- 138
- erstes Getriebe
- 140
- zweites Getriebe
- 142
- zweite eine Schleife durchlaufende Antriebskette
- 144
- erstes Getriebe
- 146
- zweites Getriebe
- 148
- erste Drehrichtung
- 150
- zweite Drehrichtung
- 152 - 164
- Greiferleisten
- 166 - 174
- Rollenleisten
- 176
- Greifer
- 178
- Halteleiste
- 180
- Rollen
- 182
- Halteleiste
- 200
- Greiferfinger
- 202
- Schlitze
- 300
- erster Schritt
- 302
- zweiter Schritt
- 304
- dritter Schritt
- 306
- vierter Schritt
- 308
- fünfter Schritt
- 310
- sechster Schritt
- 312
- siebter Schritt
- 314
- achter Schritt
- 316
- Drehpunkt
- 318
- Schlitz
- 320
- Öffnung
- 326
- Pfeil
- 328
- Pfeil
- 400
- Position
- 402
- Abbremseinrichtung
- 404
- Weg
- 406
- Position
- 500
- Nockenbahn
- 502
- Nockenstößel
- 504
- erster Abschnitt
- 505
- zweiter Abschnitt
- 506
- dritter Abschnitt
- 600
- Block
- 602
- erstes Nockengetriebe
- 604
- zweites Nockengetriebe
- 606
- Nocken-Hebelarm
- 608
- Stelle
- 610
- Greifposition
Claims (15)
- Vorrichtung (100) zum Transport und zur Erreichung einer stufenlosen Regulierung eines bedruckbaren Materials (110), das in einem Drucksystem verarbeitet wird, mit einer Kontaktierungsvorrichtung zum Kontaktieren eines bedruckbaren Materials (110) von der ersten und der zweiten Seite des bedruckbaren Materials (110), und einer Antriebsvorrichtung zum Antreiben der Kontaktierungsvorrichtung entlang eines Transportwegs des bedruckbaren Materials (110) im Gleichlauf mit dem bedruckbaren Material (110), wobei die Antriebsvorrichtung weiterhin mindestens eine erste Rollenketten-Transporteinrichtung (120) umfaßt, die auf einer ersten Seite eines Transportwegs (106) des bedruckbaren Materials angeordnet ist, und eine zweite Rollenketten-Transporteinrichtung (122), die auf einer zweiten Seite des Transportwegs (106) der ersten Seite gegenüberliegend angeordnet ist,
dadurch gekennzeichnet, daß die Kontaktierungsvorrichtung weiterhin mindestens eine Greiferleiste (152 - 164) umfaßt, die mindestens eine Vorrichtung zum Greifen einer Kante des bedruckbaren Materials umfaßt, wobei mindestens eine Greiferleiste (152 - 164) drehbar an der ersten starren Rollenketten-Transporteinrichtung angebracht ist. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß die Kontaktierungsvorrichtung weiterhin mindestens eine Rollenleiste (166 - 174) zum Kontaktieren des bedruckbaren Materials (108, 110) im Gleichlauf mit mindestens einer Greiferleiste umfaßt, wobei mindestens eine Rollenleiste (168 - 174) drehbar an der zweiten Rollenketten-Transporteinrichtung (122) angebracht ist. - Vorrichtung nach Anspruch 2,
dadurch gekennzeichnet, daß mindestens eine Greifvorrichtung weiterhin einen federähnlichen Greiferfinger (200) zum Greifen der Kante des bedruckbaren Materials (108, 110) umfaßt. - Vorrichtung nach Anspruch 3,
dadurch gekennzeichnet, daß die Antriebsvorrichtung weiterhin eine Nockenbahn-Einrichtung (500) zum Drehen von mindestens einer Greiferleiste (166 - 174) bezüglich des bedruckbaren Materials (108, 110) umfaßt. - Vorrichtung nach Anspruch 4,
dadurch gekennzeichnet, daß die Nockenbahn-Einrichtung (500) mindestens eine Rollenleiste (166 - 174) im Gleichlauf mit mindestens einer Greiferleiste (152 - 164) dreht, wobei die Rollenleiste weiterhin mindestens einen Schlitz zur Aufnahme des federähnlichen Greiferfingers (200) während der Drehung der Greifervorrichtung umfaßt. - Vorrichtung nach Anspruch 4,
dadurch gekennzeichnet, daß die Nockenbahn-Einrichtung (500) weiterhin einen ersten Abschnitt (504) zum Drehen der Greifervorrichtung in eine erste Richtung, einen zweiten Abschnitt (505) zum Halten der Greifervorrichtung in einem festen Drehzustand, und einen dritten Abschnitt (506) zum Drehen der Greifervorrichtung in eine zweite Richtung entgegengesetzt zur ersten Richtung umfaßt. - Vorrichtung nach Anspruch 4,
dadurch gekennzeichnet, daß die Antriebseinrichtung weiterhin eine Vorrichtung zur wirksamen Verknüpfung von mindestens einer Greiferleiste (152 - 164) mit der Nockenbahn-Einrichtung (500) zur Regulierung der Drehung von mindestens einer Greifervorrichtung bezüglich des bedruckbaren Materials (108, 110) umfaßt. - Vorrichtung nach Anspruch 7,
dadurch gekennzeichnet, daß die Verknüpfungsvorrichtung weiterhin mindestens ein Getriebe (602, 604) zum drehbaren Antrieb der Greiferleiste (152 - 164), einen Nockenstößel (502) zum drehbaren Kontaktieren der Nockenbahn-Einrichtung (500) und einen Nocken-Hebelarm (606) zum wirksamen Verbinden des Nockenstößels mit mindestens einem Getriebe (602, 604) umfaßt. - Vorrichtung nach Anspruch 8,
dadurch gekennzeichnet, daß mindestens ein Getriebe der Verknüpfungsvorrichtung weiterhin ein erstes Nockengetriebe (602), das wirksam mit dem Nocken-Hebelarm (606) verbunden ist und ein zweites Getriebe (604), das in das erste Getriebe (602) eingreifend angeordnet und fest mit mindestens einer Greiferleiste (152 - 164) verbunden ist, umfaßt. - Vorrichtung nach Anspruch 9 mit weiterhin mindestens einem Schneidzylinderpaar (112, 114) zum Abtrennen des bedruckbaren Materials (108, 110) in einer Richtung quer zu einer Zuführrichtung (106) des bedruckbaren Materials (152 - 164)
dadurch gekennzeichnet, daß mindestens eine Greiferleiste (152 - 164) und mindestens eine Rollenleiste (166 - 174) zwischen dem ersten und dem zweiten Zylinder des Schneidzylinderpaars (112, 114) im Gleichlauf mit der Drehung des ersten und des zweiten Zylinders passieren können. - Verfahren zur stufenlosen Regulierung eines bedruckbaren Materials, das in einem Drucksystem verarbeitet wird mit den Schritten:Kontaktieren eines bedruckbaren Materials (108, 110) von einer ersten und einer zweiten Seite des bedruckbaren Materials mit einer KontaktierungsvorrichtungAntreiben der Kontaktierungseinrichtung entlang eines Transportwegs des bedruckbaren Materials im Gleichlauf mit dem bedruckbaren Material,
- Verfahren nach Anspruch 11,
dadurch gekennzeichnet, daß der Schritt des Kontaktierens weiterhin folgende Schritte umfaßt:Kontaktieren des bedruckbaren Materials (104, 108, 110) an einer Stelle vor einem Schneidvorgang, bei dem das bedruckbare Material in einer Richtung quer zu einer Zuführrichtung (106) des bedruckbaren Materials abgetrennt wird,Bewegen der Kontaktierungsvorrichtung über eine Oberfläche des bedruckbaren Materials während dessen Transport zu einer Stelle, an der die Kontaktierungsvorrichtung eine Kante des bedruckbaren Materials (104, 108, 110) ergreift, das während dieses Schneidvorgangs geschnitten wurde. - Verfahren nach Anspruch 12,
dadurch gekennzeichnet, daß der Schritt des Kontaktierens weiterhin einen Schritt eines Drehens von mindestens einer Greiferleiste (152 - 164) umfaßt, die einen federähnlichen Greiferfinger (200) über einer Oberfläche des bedruckbaren Materials während des Transport des bedruckbaren Materials hat. - Verfahren nach Anspruch 13,
dadurch gekennzeichnet, daß das Antreiben der Kontaktierungsvorrichtung einen Schritt des Antriebs im Gleichlauf mit dem Schneidvorgang umfaßt. - Verfahren nach Anspruch 14,
dadurch gekennzeichnet, daß der Schritt des Kontaktierens weiterhin folgende Schritte umfaßt:Drehen der Greiferleiste (152 - 164) in eine erste Richtung zum Ergreifen der geschnittenen Ecke des bedruckbaren MaterialsDrehen der Greiferleiste (152 - 164) in eine zweite Richtung entgegengesetzt zur ersten Richtung, um die geschnittene Kante des bedruckbaren Materials (108, 110) freizugeben.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US910118 | 1997-08-13 | ||
US08/910,118 US6067883A (en) | 1997-08-13 | 1997-08-13 | Method and apparatus for providing positive control of a printable medium in a printing system |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0896943A2 EP0896943A2 (de) | 1999-02-17 |
EP0896943A3 EP0896943A3 (de) | 1999-05-12 |
EP0896943B1 true EP0896943B1 (de) | 2001-12-05 |
Family
ID=25428334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980112877 Expired - Lifetime EP0896943B1 (de) | 1997-08-13 | 1998-07-10 | Verfahren und Vorrichtung zur stufenlosen Regulierung eines bedruckbaren Materials in einem Drucksystem |
Country Status (3)
Country | Link |
---|---|
US (2) | US6067883A (de) |
EP (1) | EP0896943B1 (de) |
DE (1) | DE59802303D1 (de) |
Families Citing this family (5)
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 |
US6526034B1 (en) * | 1999-09-21 | 2003-02-25 | Tantivy Communications, Inc. | Dual mode subscriber unit for short range, high rate and long range, lower rate data communications |
US6644193B2 (en) | 2002-03-12 | 2003-11-11 | Elsner Engineering Works, Inc. | Web cutting tuck folding machine and method |
CN104401786A (zh) * | 2014-11-27 | 2015-03-11 | 广西亿品投资有限公司 | 一种砌块砖自动覆膜机及防粘覆膜的方法 |
US9636930B1 (en) * | 2016-05-10 | 2017-05-02 | Xerox Corporation | Transport with media hold down for inkjet printers |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
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US1356900A (en) * | 1914-12-28 | 1920-10-26 | Cottrell C B & Sons Co | Sheet-delivery mechanism for printing-machines |
US2538425A (en) * | 1946-11-27 | 1951-01-16 | Goss Printing Press Co Ltd | Cutting mechanism |
DE1051110B (de) * | 1952-03-27 | 1959-02-19 | Josef Burgmer | Greifereinrichtung fuer Papierquerschneidemaschinen |
US3122467A (en) * | 1960-12-12 | 1964-02-25 | Gilbert H Hannon | Chain operated working head for material converting machinery |
DE1479627B2 (de) * | 1962-08-23 | 1971-11-11 | Trans-Atlas AG, Basel (Schweiz) | Maschine zum bearbeiten vorzugsweise schweissen undtrennen einer doppelten bahn insbesondere einer thermoplastischen folie beim herstellen von saecken |
US3247744A (en) * | 1964-05-11 | 1966-04-26 | Huck | Apparatus for cross cutting traveling strip materials |
US3483780A (en) * | 1967-07-19 | 1969-12-16 | Nypel Inc | Cutter |
US3623386A (en) * | 1970-03-20 | 1971-11-30 | Ibm | High throughput on-the-fly card cutting apparatus |
US4026199A (en) * | 1975-10-06 | 1977-05-31 | S&S Corrugated Paper Machinery Co., Inc. | Sheet end cutter and stripper |
JPS5552855A (en) * | 1978-10-06 | 1980-04-17 | Sharp Corp | Sheet conveying apparatus |
US4283973A (en) * | 1979-11-15 | 1981-08-18 | Paper Converting Machine Company | Method and apparatus for handling articles |
DE3139117C1 (de) * | 1981-10-01 | 1983-04-21 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Variabler Falzapparat mit einem Schneidzylinderpaarund einem unterhalb diesem angeordneten Abreisswalzenpaar |
EP0300171B1 (de) * | 1987-07-21 | 1990-12-19 | Ferag AG | Transporteur für flächige Erzeugnisse, insbesondere Druckprodukte |
US5029842A (en) * | 1988-12-23 | 1991-07-09 | Harris Graphics Corporation | Signature handling apparatus |
US5193458A (en) * | 1992-06-23 | 1993-03-16 | Keller James J | Gripper bar conveyor for multiple color offset rotary printing press |
US5452886A (en) * | 1993-08-09 | 1995-09-26 | Heidelberger Druckmaschinen Ag | Device for slowing down signatures in a folding machine |
CH689976A5 (fr) * | 1994-05-24 | 2000-02-29 | Bobst Sa | Dispositif de commande de la prise d'un élément en plaque par des pinces au sein d'une machine de traitement de tels éléments. |
US5501443A (en) * | 1994-12-02 | 1996-03-26 | Heidelberger Druckmaschinen Ag | Device for the release of folded products |
US5865082A (en) * | 1996-09-04 | 1999-02-02 | Heidelberg Harris Inc. | Apparatus for transporting signatures |
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 |
US6684746B2 (en) * | 1999-12-02 | 2004-02-03 | Heidelberger Druckmaschinen Ag | Variable-length cut-off folder and method |
US6537188B1 (en) * | 2000-04-27 | 2003-03-25 | Heidelberger Druckmaschinen Ag | Variable-length cut-off jaw folder |
-
1997
- 1997-08-13 US US08/910,118 patent/US6067883A/en not_active Expired - Lifetime
-
1998
- 1998-07-10 DE DE59802303T patent/DE59802303D1/de not_active Expired - Lifetime
- 1998-07-10 EP EP19980112877 patent/EP0896943B1/de not_active Expired - Lifetime
-
2000
- 2000-02-17 US US09/505,887 patent/US6918586B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59802303D1 (de) | 2002-01-17 |
US6918586B1 (en) | 2005-07-19 |
EP0896943A2 (de) | 1999-02-17 |
US6067883A (en) | 2000-05-30 |
EP0896943A3 (de) | 1999-05-12 |
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