EP2960067B1 - Method for optimizing the thickness adjustment of an adhesive binder - Google Patents

Method for optimizing the thickness adjustment of an adhesive binder Download PDF

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Publication number
EP2960067B1
EP2960067B1 EP15173539.6A EP15173539A EP2960067B1 EP 2960067 B1 EP2960067 B1 EP 2960067B1 EP 15173539 A EP15173539 A EP 15173539A EP 2960067 B1 EP2960067 B1 EP 2960067B1
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EP
European Patent Office
Prior art keywords
thickness
book block
adhesive binder
optimising
adhesive
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EP15173539.6A
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German (de)
French (fr)
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EP2960067A1 (en
Inventor
Randolf Voigtländer
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Mueller Martini Holding AG
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Mueller Martini Holding AG
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Publication of EP2960067A1 publication Critical patent/EP2960067A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C9/00—Applying glue or adhesive peculiar to bookbinding
    • B42C9/0006—Applying glue or adhesive peculiar to bookbinding by applying adhesive to a stack of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C11/00—Casing-in
    • B42C11/04—Machines or equipment for casing-in or applying covers to books
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C19/00—Multi-step processes for making books
    • B42C19/02—Multi-step processes for making books starting with single sheets

Definitions

  • the invention relates to a method for optimizing the thickness adjustment of an adhesive binder according to claim 1.
  • Perfect binders used for the production of adhesive booklets or book blocks for hard covers, wherein the folded sheets and / or single sheets are combined to form a book block by applying an adhesive or glue on the previously processed block spine.
  • glue and adhesive are used synonymously below.
  • the possible binding methods and the product variants depend on the machine equipment. This consists essentially of the functional units book block transport system, book block insertion station, back processing, back gluing, intermediate drying, side gluing, back reinforcement, put on envelope and press on, press envelope and dry book.
  • the DE 20 2005 007 012 U1 shows such a perfect binder, also referred to as a bookbinding machine.
  • This has a book block transport system on consisting of deflection wheels running conveyors and a plurality of in the same in mutual distance from each other fastened thereto brackets for clamping sheet stacks.
  • the staples transport the stacks of sheets and glued book blocks through the various processing stations.
  • the binding of the envelope to the book block is accomplished by a turn-up applying and pressing station.
  • a Umtschzu Focusstation an optionally provided by grooving with kinked edges aligned envelope is first supplied to the Umzzianlegestation.
  • the envelope becomes light on the book block provided with adhesive on its book block back pressed down and thereby fixed.
  • the envelope by means of a Weganpressplatte, also referred to as Andrückisch, and called by means of soanpressschienen, also called Andrückschienen, using force applied to the book block. This gives the perfect bound book its angular back shape.
  • the DE 10 2006 012 084 A1 or the US 7,621,708 B2 discloses a device for pressing an envelope on a moving in a transport direction printing material block, with a movable in a vertical direction first pressure table, and at least one movable in a horizontal direction Anpressschiene.
  • the device is characterized in that a drive unit is provided with a servo motor, which can be acted upon by a connection to a control unit with a variable control profile.
  • a control unit with a variable control profile.
  • the movement of Anpresstisch and Anpressschienen, z. B. whose stroke or stroke are adapted to the current processing order.
  • the EP2377688 A2 is directed to an apparatus for producing adhesive-bonded printed products.
  • This device consists of a book block conveyor equipped with a multiplicity of transport clips and at least one motor-adjustable processing station arranged along straight-line conveyor lines of the book block conveyor.
  • a work cycle subdivided into an adjustment section and a processing section is defined. While the adjustment section is used for changing over and / or adjusting the processing station in accordance with changing print product features, such as the block thickness, for example, the processing of book blocks and / or envelopes takes place in the processing section.
  • a corresponding method is disclosed, with which the block thickness of the book block supplied to the device is first determined via a first sensor arranged in the region of a book block insertion station and cooperating with a controller. Based on this, most of the manipulated variables can then be set sufficiently precisely for a setting of the processing stations corresponding to the respective block thickness. For very precise processing, however, the detection of the block thickness of a book block takes place only after the back machining has been carried out by means of a second sensor aligned with the book block accommodated in the transport clamp. Print product features can also be detected at other locations of the book block conveyor and used to appropriately adjust subsequent processing stations.
  • the object of the present invention is therefore to describe a method for optimizing the thickness setting of an adhesive binder, which allows the production of higher quality products and reduces the waste produced. Another object is to describe a method for optimizing the thickness of an adhesive binder, which allows a more accurate thickness measurement and in which the Aufpilzung the book block causes no measurement errors and thus minimizes the setup times when changing over to changed block thicknesses.
  • This object is achieved by a method for optimizing the thickness of an adhesive binder with the features of claim 1.
  • the inventive method is used to optimize the thickness of an adhesive binder, with the perfect binder stick-bound books are produced.
  • a first step the determination of the thickness of a book block. This can be done by measuring the book block thickness by the machine operator, possibly supported by measuring devices, by estimating the book block thickness or by reading a default value of a processing order.
  • the book block thickness thus determined is thus not a precisely measured value, but only a rough approximation of the thickness of a book block.
  • This thickness is subsequently entered into a control unit of the perfect binder.
  • the input can take place via a display and interface of the control unit or can be taken from the control unit from a data record describing the order.
  • the control unit calculates setting values.
  • an automatic coarse adjustment of components such as the transport clamps, and of processing stations of the perfect binder by located in the perfect binder actuators, which are controlled by the control unit.
  • the perfect binder is adapted to the book block to be processed. Subsequently, a first book block is fed into the perfect binder and there is the processing of the first book block in the processing stations, wherein the processed book block is transported to a Umtschanpressstation on.
  • a first alternative of the method only a processing of the book block back by milling, notches or the like.
  • adhesive is also applied to the book block, an envelope fed and pressed in the envelope press station. According to the invention, the actual actual thickness of the book block is measured (without or with an envelope) with a measuring device integrated in the envelope press station.
  • the book block can remain in the transport clamp and be moved once more through the adhesive binder. In its second pass, glue is applied and an envelope is fed, producing a taped book.
  • the thickness adjustment of an adhesive binder is substantially optimized by this method according to the invention:
  • the thickness adjustment can be fully automatic and a learning process using a reference book block is no longer necessary.
  • the measurement of the thickness of the book block for the fine adjustment is not outside of the perfect binder, but within the perfect binder under the conditions actually prevailing there.
  • the thickness of a respective book block can be measured much more accurately and the setting of the perfect binder can be made more accurate in a row.
  • one or both pressing rails of the envelope pressing station are used as measuring element or as measuring elements of the measuring device.
  • no additional measuring elements are required in the perfect binder and the measurement of the thickness of a book block can take place, while an envelope is pressed against a book block.
  • This also allows a high tolerance to temperature fluctuations and to the mushrooming can be achieved without the measurement results are impaired.
  • the at least one pressing bar of the envelope pressing station is moved with a feed motion profile. Also, it is possible to move multiple times with different feed motion profiles to detect different thickness readings, e.g. a thickness measurement for the setting of the glue nozzles, another thickness measurement for setting the spacings of Whatleiminn, another thickness measurement for setting the creasing tools of the cover feeder, etc.
  • the Zustellierisprofile differ in particular with respect to the contact pressure of the Anpressschienen.
  • the at least one pressure rail driven by a motor is subjected during pressing with a predetermined force or a force profile, which is generated by means of the controllable torque of the motor. If different thickness measured values of a book block were detected, different setting values are calculated by the control unit for different components and stations of the perfect binder. By doing so, the actual compressibility of each book block is incorporated in the thickness setting of the perfect binder.
  • the thickness adjustment is optimized during the production of adhesive bound books by each pressing a cover to a book block or At least at regular intervals, a measurement of the thickness of the book block with subsequent calculation and correction of the set values takes place.
  • Fig. 1 shows a section of an adhesive binder 1000 with a book block transport system 33, not shown, which is formed by a driven circulating chain with clips 1002 attached thereto.
  • the drive of the circulating chain is formed for example by a servomotor, not shown.
  • Book blocks 100 are fed from the gathering machine 1010 in the direction of transport T to the perfect binder 1000.
  • the book blocks 100 are grasped by staples 1002 and transported to a first processing station, a back processing station 1020.
  • the spine processing station 1020 may include a plurality of processing tools, not shown have.
  • the book block 100 processed on its back is further transported to a glue application station 1030 and provided with adhesive.
  • a subsequent Kaylzelstation 1040 optional DesilzelstMake can be applied.
  • envelopes 101 fed from an envelope-feeding station 1 are applied to the book blocks 100 and fixed.
  • the book blocks 100 are further transported by a cooling and drying section 1060 to a trimming station 3 (not shown in detail).
  • the perfect binder 1000 is controlled by a control unit 4.
  • the control unit has an interface via which, among other things, setting values can be specified by the machine operator.
  • the setting and control of the various processing stations 1010, 1020, 1030, 1040, 20, 3 of the perfect binder 1000 is performed by the control unit. 4 Via the interface of the control unit 4, the thickness D of the book block 100 can be entered. Thereafter, the processing stations 1010, 1020, 1030, 1040, 20, 3 are roughly adjusted.
  • FIG. 2 a device for pressing an envelope 20 of a Umzzianlege- and -pressing station 2 according to the prior art is shown.
  • One of collected signatures, z. B. paper sheets, existing book block 100 with a thickness D is held or clamped in a book block clamp 1002 and conveyed by the bracket 1002 in the transport direction T.
  • the transport takes place through a book block transport system 33, which consists of a non-illustrated circulating chain on which the transport tongs 1002 are attached.
  • the chain is driven by a servomotor, not shown.
  • an envelope 101 is preferably pressed or pressed in the vertical direction from bottom to top of the block 100 and thereby connected to the back of the block 100, namely glued or glued.
  • the back and / or the envelope 101 was previously, ie in an upstream station of the perfect binder, with glue or glue, z. B. with hot melt adhesive or with cold glue provided.
  • the pressing of the envelope 101 is effected by a vertical movement 43 of a frame 44 along the rails 45 of the device 20 (up and down movement).
  • the frame 44 carries a first pressing element 21, in particular a Anpresstisch 21. In this way, the necessary pressure for the connection of the envelope 101 and block 100 is generated.
  • the pressure table 21 is mounted as a slide on a rail 46 of the frame 44 and movable or displaceable.
  • the Anpresstisch 21 performs during pressing a horizontal movement 47 (forward and backward movement), which is parallel to the transport direction T and during the forward movement with uniform, the transport speed of the block 100 corresponding speed. The pressing is thus done during a synchronous phase between the transported block 100 and the moving pressure table 21st
  • the lateral pressing of the cover 101 in the side regions is effected by a transverse movement 48 of at least one second pressing element 22, or a second and third pressing element 22, 23 (Avemencezu- and Vonrationwegterrorism), in particular of each lateral pressure rails 22, 23 on each side of the device 20th or the book block 100.
  • the contact pressure rails 22, 23 are mounted on respective rails 49 of the Anpresstischs 21 and motorized movable or displaceable. Due to the superimposition of the vertical movement 43 with the horizontal movement 47, the pressing table 21 performs a web movement 50.
  • the web movement 50 is generated by a servomotor 58 in conjunction with a corresponding coupling mechanism 64.
  • contact pressure rails 22, 23 perform respective counterrotating path movements 51 by the superimposition of the horizontal movement 47 with the transverse movement 48, wherein the path movements 51 are still superimposed with the path movement 50.
  • the generation of the contact pressure movement (transverse movement) of the respective contact pressure rails 22, 23 is effected by a respective fixedly arranged or frame-fixed drive unit 52 (with respect to the frame of the device 20) on each side of the device 20, d. H.
  • Each pressing bar 22, 23 is assigned its own drive unit 52.
  • the drive unit 52 comprises a preferably separately controllable servomotor 53, which drives a rotatable spindle 54.
  • the rotational movement of the spindle 54 initiated by the servomotor 53 is translated into a controllable transverse movement 48 of the displaceable element 55.
  • the servo motor 53 is acted upon by the control unit 4 with a Zustellschulsprofil.
  • Fig. 3 shows an alternative embodiment of an apparatus for pressing an envelope 20 in an overview, which is similar to the device according to Fig. 2 is constructed, and illustrates the inventive method.
  • the device 20 is located in an adhesive binder 1000 between a Umtschzu Glassstation 1 (see Fig. 1 ) and a subsequent cooling section 1060 and / or a trimming station 3 (shown only symbolically in FIG Fig. 1 ).
  • a Umtschzu Glassstation 1 see Fig. 1
  • a subsequent cooling section 1060 and / or a trimming station 3 shown only symbolically in FIG Fig. 1 .
  • stations of perfect binder 1000 book block 100 have already been processed, namely the book block back roughened, but no adhesive applied.
  • no envelope 1001 was singulated by an envelope feeder station 1, so that no envelope 101 was applied to a book block 100 in its docking station 20.1 and a subsequent measuring operation of the thickness D without an envelope 101 can take place.
  • a book block 100 is also moved by a book block transport system 33, not shown, in the direction of transport T to the envelope application and pressure station 2 and therethrough.
  • an envelope 101 can be pressed against a book block 100 with a pressing force fixed to the book block 100.
  • the envelope by means of a Andschreibticians 21, which is fixed to a frame 44 of the device and performs a path movement 50 of superposed vertical movement 43 and horizontal movement 47, to the glued back 42 of the book block 100 pressed.
  • the envelope 101 is also pressed in the region of a side gluing in the device for pressing an envelope 20.
  • lateral pressure rails 22, 23 are moved in the transverse direction 48 perpendicular to the transport direction T and press the envelope 101 against the book block 100 in the rear-side regions.
  • the envelope 101 is in Fig. 3 not shown for the sake of clarity.
  • the lateral pressing of the cover 101 in the side areas is effected by a transverse movement 48 of the pressing elements 22 and 23 (Avemencezu- and Vonrationwegzi), of respective lateral pressure rails 22, 23 on each side of the device 20 and the book block 100.
  • the pressure rails 22nd , 23 mounted on respective rails 49 and motorized movable or displaceable.
  • the rails 49 are mounted on a support 42 which is rigidly connected to the Anpresstisch 21.
  • During the lateral pressing takes place a measurement of the thickness D of the book block 100 as in the example of Fig. 2 already described.
  • a pressing bar 23 is fixed and the other pressing bar 22 is delivered.
  • the motors 53 of the front and rear lateral contact pressure rails 22, 23 are controlled such that they move toward the book block 100.
  • the rotational movements of the motors 53 by means of the ball screws 54 in translational movements of the contact rails 22, 23 are offset to the book block 100.
  • the rotational movement of the motors 53 is permanently monitored and detected by the control and evaluation unit 4 via a motor-own or external rotary encoder (not shown). Since the rotational movement is coupled to the measuring body 22, 23 at a constant ratio, the position of the pressure rails 22, 23 can be calculated at any time.
  • the contact pressure rails 22, 23 acted upon by the motors 53 with a defined torque.
  • This torque is transmitted to the book block 100 as a pressing force.
  • the book block 100 is thus pressed together with a precisely adjustable force. Due to the continued permanent evaluation of the rotary encoder of the motors 53, the changed and absolute position of the lateral pressure rails 22, 23 can be calculated.
  • an additional position transmitter is required when using relative encoders. This is used after a single crossing for position definition of the measuring body 22, 23 ie to balance the position of the lateral contact rails 22, 23 to the position of the encoder.
  • Fig. 4 the measuring device is shown in a schematic representation. As can be seen, the measurement of the book block thickness D in the region of the gutter, ie where the thickness D of the book block 100 is greatest. In contrast to, for example, the open end of the book block 100, where the thickness D 'is, the Aufpilzung P is taken into account in the measurement of the book block thickness. Furthermore, in Fig. 4 the rotary encoder 65 and the position sensor 66 are shown, which serve to drive the motors 53.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Making Paper Articles (AREA)

Description

Die Erfindung betrifft ein Verfahren zur Optimierung der Dickeneinstellung eines Klebebinders gemäß Anspruch 1.The invention relates to a method for optimizing the thickness adjustment of an adhesive binder according to claim 1.

Stand der TechnikState of the art

Klebebinder, dienen der Herstellung von klebegebundenen Broschuren oder Buchblocks für Festeinbände, wobei die zu einem Buchblock zusammengetragenen Falzbogen und / oder Einzelblätter durch Auftragen eines Klebstoffs bzw. Leims auf den zuvor bearbeiteten Blockrücken verbunden werden. Die Begriffe Leim und Klebstoff werden nachfolgend synonym verwendet. Die möglichen Bindeverfahren und die Produktvarianten sind von der Maschinenausrüstung abhängig. Diese besteht im Wesentlichen aus den Funktionseinheiten Buchblocktransportsystem, Buchblockeinführstation, Rückenbearbeitung, Rückenbeleimen, Zwischentrocknung, Seitenbeleimen, Rückenverstärkung, Umschlag anlegen und andrücken, Umschlag anpressen und Buch trocknen.Perfect binders, used for the production of adhesive booklets or book blocks for hard covers, wherein the folded sheets and / or single sheets are combined to form a book block by applying an adhesive or glue on the previously processed block spine. The terms glue and adhesive are used synonymously below. The possible binding methods and the product variants depend on the machine equipment. This consists essentially of the functional units book block transport system, book block insertion station, back processing, back gluing, intermediate drying, side gluing, back reinforcement, put on envelope and press on, press envelope and dry book.

Die DE 20 2005 007 012 U1 zeigt einen derartigen Klebebinder, auch als Buchbindemaschine bezeichnet. Dieser weist ein Buchblocktransportsystem auf bestehend aus um Umlenkräder laufenden Fördermitteln und einer Vielzahl von in einem gleichen in gegenseitigen Abstand zueinander daran befestigten Klammern zum Einspannen von Blattstapeln. Die Klammern transportieren die Blattstapel und die verleimten Buchblocks durch die verschiedenen Bearbeitungsstationen.The DE 20 2005 007 012 U1 shows such a perfect binder, also referred to as a bookbinding machine. This has a book block transport system on consisting of deflection wheels running conveyors and a plurality of in the same in mutual distance from each other fastened thereto brackets for clamping sheet stacks. The staples transport the stacks of sheets and glued book blocks through the various processing stations.

Bei der Herstellung von klebegebundenen Büchern erfolgt das Verbinden des Umschlags mit dem Buchblock durch eine Umschlaganlege- und -anpressstation. Über eine Umschlagzuführstation wird ein ggfs. durch Rillung mit Knickkanten versehener ausgerichteter Umschlag zunächst der Umschlaganlegestation zugeführt. Hier wird der Umschlag an den an seinem Buchblockrücken mit Klebstoff versehenen Buchblock leicht angedrückt und dadurch fixiert. In der nachfolgenden Umschlaganpressstation wird der Umschlag mittels einer Rückenanpressplatte, auch als Andrücktisch bezeichnet, und mittels Seitenanpressschienen, auch als Andrückschienen bezeichnet, unter Kraftanwendung an den Buchblock gepresst. Dadurch erhält das klebegebundene Buch seine eckige Rückenform.In the production of hard-bound books, the binding of the envelope to the book block is accomplished by a turn-up applying and pressing station. About a Umschlagzuführstation an optionally provided by grooving with kinked edges aligned envelope is first supplied to the Umschlaganlegestation. Here, the envelope becomes light on the book block provided with adhesive on its book block back pressed down and thereby fixed. In the subsequent Umschlaganpressstation the envelope by means of a Rückenanpressplatte, also referred to as Andrückisch, and called by means of Seitenanpressschienen, also called Andrückschienen, using force applied to the book block. This gives the perfect bound book its angular back shape.

Die DE 10 2006 012 084 A1 bzw. die US 7,621,708 B2 offenbart eine Vorrichtung zum Anpressen eines Umschlages an einen in einer Transportrichtung bewegten Bedruckstoffblock, mit einem in einer vertikaler Richtung bewegbaren ersten Anpresstisch, und wenigstens einer in einer horizontalen Richtung bewegbaren Anpressschiene. Die Vorrichtung zeichnet sich dadurch aus, dass eine Antriebseinheit mit einem Servomotor vorgesehen ist, welche über eine Verbindung zu einer Steuereinheit mit einem veränderbaren Steuerprofil beaufschlagbar ist. Über das veränderbare Steuerprofil kann die Bewegung von Anpresstisch und Anpressschienen, z. B. deren Hub oder Hubverlauf an den aktuellen Bearbeitungsauftrag angepasst werden.The DE 10 2006 012 084 A1 or the US 7,621,708 B2 discloses a device for pressing an envelope on a moving in a transport direction printing material block, with a movable in a vertical direction first pressure table, and at least one movable in a horizontal direction Anpressschiene. The device is characterized in that a drive unit is provided with a servo motor, which can be acted upon by a connection to a control unit with a variable control profile. About the variable control profile, the movement of Anpresstisch and Anpressschienen, z. B. whose stroke or stroke are adapted to the current processing order.

Um in einem Klebebinder Produkte unterschiedlicher Dicke herstellen zu können, müssen im Klebebinder zahlreiche Dickeneinstellungen der Bearbeitungsstationen vorgenommen werden.
Aus der DE 36 13 120 C2 ist es bekannt eine Messung der Buchblockdicke in einer Messeinrichtung außerhalb des Klebebinders vorzunehmen. Dabei wird eine motorisch antreibbare Einspanneinrichtung verwendet, die mit unterschiedlichen Presskräften beaufschlagbar ist. Nachteilig dabei ist, dass eine separate Einrichtung erforderlich ist, in welcher die tatsächliche Situation im Klebebinder nur unzureichend nachgebildet werden kann.
Auf Grund der Aufpilzung von Buchblocks, d.h. der größeren Dicke der Buchblocks im Bereich des Buchblockrückens, ist es schwierig die Dicke des Buchblocks exakt zu messen. Bei den aus dem Stand der Technik bekannten Dickenmessverfahren verfälscht die Aufpilzung die Dickenmesswerte.
Weiterhin ist aus der EP 0 763 490 A1 bekannt in der Station zum Anpressen der Umschläge eine Messung der Ist-Dicke eines mit einem Umschlag versehenen Buchblocks vorzunehmen, um die Vollständigkeit des Buchblocks zu überprüfen. Diese Dickenmessung im Sinne einer Qualitätskontrolle kann zwar sicherstellen, dass qualitativ schlechte Bücher (sog. Makulatur) aussortiert werden können und nicht zum Kunden gelangen. Makulatur selbst kann jedoch nicht verhindert oder reduziert werden.In order to produce products of different thickness in an adhesive binder, numerous thickness settings of the processing stations must be made in the perfect binder.
From the DE 36 13 120 C2 It is known to make a measurement of the book block thickness in a measuring device outside of the perfect binder. In this case, a motor-driven clamping device is used, which can be acted upon by different pressing forces. The disadvantage here is that a separate device is required in which the actual situation in the perfect binder can be replicated only insufficient.
Due to the mushrooming of book blocks, ie the greater thickness of the book blocks in the area of the book block spine, it is difficult to accurately measure the thickness of the book block. In the case of the thickness measuring methods known from the prior art, the mushrooming falsifies the measured thickness values.
Furthermore, from the EP 0 763 490 A1 known in the station for pressing the envelopes to make a measurement of the actual thickness of an envelope provided book block to check the completeness of the book block. These Thickness measurement in terms of quality control can indeed ensure that poor quality books (so-called waste paper) can be sorted out and not reach the customer. However, waste itself can not be prevented or reduced.

Die EP2377688 A2 ist auf eine Vorrichtung zur Herstellung von klebegebundenen Druckprodukten gerichtet. Diese Vorrichtung besteht aus einer mit einer Vielzahl von Transportklammern ausgestatteten Buchblockfördereinrichtung und wenigstens einer entlang geradliniger Förderstrecken der Buchblockfördereinrichtung angeordneten, motorisch verstellbaren Bearbeitungsstation. In der wenigstens einen Bearbeitungsstation ist ein in einen Verstellabschnitt und einen Bearbeitungsabschnitt unterteilter Arbeitstakt definiert. Während der Verstellabschnitt dem Umstellen und/oder Einstellen der Bearbeitungsstation entsprechend sich ändernder Druckproduktmerkmale, wie beispielsweise der Blockdicke dient, erfolgt im Bearbeitungsabschnitt die Bearbeitung von Buchblocks und/oder Umschlägen. Zudem ist ein entsprechendes Verfahren offenbart, mit dem über einen im Bereich einer Buchblockeinführstation angeordneten und mit einer Steuerung zusammenwirkenden ersten Sensor zunächst die Blockdicke der zur Vorrichtung zugeführten Buchblocks bestimmt wird. Basierend darauf können dann die meisten Stellgrössen für eine der jeweiligen Blockdicke entsprechende Einstellung der Bearbeitungsstationen hinreichend genau festgelegt werden. Für sehr genaue Bearbeitungen erfolgt die Erfassung der Blockdicke eines Buchblocks jedoch erst nach durchgeführter Rückenbearbeitung mittels eines zweiten, auf den in der Transportklammer aufgenommenen Buchblock ausgerichteten Sensors. Druckproduktmerkmale können auch an anderen Stellen der Buchblockfördereinrichtung erfasst und zur entsprechenden Einstellung nachfolgender Bearbeitungsstationen verwendet werden.The EP2377688 A2 is directed to an apparatus for producing adhesive-bonded printed products. This device consists of a book block conveyor equipped with a multiplicity of transport clips and at least one motor-adjustable processing station arranged along straight-line conveyor lines of the book block conveyor. In the at least one processing station, a work cycle subdivided into an adjustment section and a processing section is defined. While the adjustment section is used for changing over and / or adjusting the processing station in accordance with changing print product features, such as the block thickness, for example, the processing of book blocks and / or envelopes takes place in the processing section. In addition, a corresponding method is disclosed, with which the block thickness of the book block supplied to the device is first determined via a first sensor arranged in the region of a book block insertion station and cooperating with a controller. Based on this, most of the manipulated variables can then be set sufficiently precisely for a setting of the processing stations corresponding to the respective block thickness. For very precise processing, however, the detection of the block thickness of a book block takes place only after the back machining has been carried out by means of a second sensor aligned with the book block accommodated in the transport clamp. Print product features can also be detected at other locations of the book block conveyor and used to appropriately adjust subsequent processing stations.

Aufgabenstellungtask

Aufgabe der vorliegenden Erfindung ist es daher, ein Verfahren zur Optimierung der Dickeneinstellung eines Klebebinders zu beschreiben, welches die Herstellung von Produkten höherer Qualität erlaubt und die anfallende Makulatur reduziert. Weitere Aufgabe ist es, ein Verfahren zur Optimierung der Dickeneinstellung eines Klebebinders zu beschreiben, welches eine genauere Dickenmessung ermöglicht und bei welchem die Aufpilzung der Buchblocks keine Messfehler verursacht und damit die Einrichtzeiten beim Umrüsten auf geänderte Blockdicken minimiert.The object of the present invention is therefore to describe a method for optimizing the thickness setting of an adhesive binder, which allows the production of higher quality products and reduces the waste produced. Another object is to describe a method for optimizing the thickness of an adhesive binder, which allows a more accurate thickness measurement and in which the Aufpilzung the book block causes no measurement errors and thus minimizes the setup times when changing over to changed block thicknesses.

Gelöst wird diese Aufgabe durch ein Verfahren zur Optimierung der Dickeneinstellung eines Klebebinders mit den Merkmalen von Anspruch 1.This object is achieved by a method for optimizing the thickness of an adhesive binder with the features of claim 1.

Das erfindungsgemäße Verfahren dient der Optimierung der Dickeneinstellung eines Klebebinders, wobei mit dem Klebebinder klebegebundene Bücher hergestellt werden. In einem ersten Schritt erfolgt die Bestimmung der Dicke eines Buchblocks. Dies kann durch Ausmessen der Buchblockdicke durch den Maschinenbediener, gegebenenfalls unterstützt durch Messeinrichtungen, durch Abschätzen der Buchblockdicke oder durch Auslesen eines Vorgabewertes eines Bearbeitungsauftrages erfolgen. Bei der so bestimmten Buchblockdicke handelt es sich somit nicht um einen exakt gemessenen Wert, sondern nur um eine grobe Annäherung der Dicke eines Buchblocks. Diese Dicke wird nachfolgend in eine Steuereinheit des Klebebinders eingegeben. Die Eingabe kann über ein Display und Interface der Steuereinheit erfolgen oder von der Steuereinheit aus einem den Auftrag beschreibenden Datensatz entnommen werden. Basierend auf der Dicke des Buchblocks erfolgt in der Steuereinheit eine Berechnung von Einstellwerten. In einem nächsten Schritt erfolgt eine automatische Grobeinstellung von Komponenten, wie beispielsweise den Transportklammern, und von Bearbeitungsstationen des Klebebinders durch sich in dem Klebebinder befindliche Aktuatoren, welche von der Steuereinheit angesteuert werden.The inventive method is used to optimize the thickness of an adhesive binder, with the perfect binder stick-bound books are produced. In a first step, the determination of the thickness of a book block. This can be done by measuring the book block thickness by the machine operator, possibly supported by measuring devices, by estimating the book block thickness or by reading a default value of a processing order. The book block thickness thus determined is thus not a precisely measured value, but only a rough approximation of the thickness of a book block. This thickness is subsequently entered into a control unit of the perfect binder. The input can take place via a display and interface of the control unit or can be taken from the control unit from a data record describing the order. Based on the thickness of the book block, the control unit calculates setting values. In a next step, an automatic coarse adjustment of components, such as the transport clamps, and of processing stations of the perfect binder by located in the perfect binder actuators, which are controlled by the control unit.

Dadurch wird der Klebebinder an die zu bearbeitenden Buchblocks angepasst. Nachfolgend wird ein erster Buchblock in den Klebebinder zugeführt und es erfolgt die Bearbeitung des ersten Buchblocks in den Bearbeitungsstationen, wobei der bearbeitete Buchblock bis in eine Umschlaganpressstation weiter transportiert wird. In einer ersten Alternative des Verfahrens erfolgt nur eine Bearbeitung des Buchblockrückens durch Fräsen, Kerben o.ä. In einer zweiten Alternative des Verfahrens wird auch Klebstoff auf den Buchblock aufgebracht, ein Umschlag zugeführt und in der Umschlaganpressstation angepresst. Erfindungsgemäß erfolgt ein Messen der tatsächlichen Ist-Dicke des Buchblocks (ohne bzw. mit Umschlag) mit einer in die Umschlaganpressstation integrierten Messeinrichtung. Sodann erfolgt eine Signalübertragung des Dickenmesswertes an die Steuereinheit, wo basierend auf den exakten Messwerten der Dicke des Buchblocks eine Berechnung von Einstellwerten für den Klebebinder erfolgt. Als nächstes erfolgt die automatische Korrektur der Einstellwerte von Komponenten und Bearbeitungsstationen des Klebebinders unter Berücksichtigung der gemessenen Dicke. In der ersten Alternative des Verfahrens kann der Buchblock in der Transportklammer verbleiben und ein weiteres Mal durch den Klebebinder bewegt werden. Bei seinem zweiten Durchlauf wird Klebstoff aufgebracht und ein Umschlag zugeführt, sodass ein klebegebundenes Buch hergestellt wird.As a result, the perfect binder is adapted to the book block to be processed. Subsequently, a first book block is fed into the perfect binder and there is the processing of the first book block in the processing stations, wherein the processed book block is transported to a Umschlaganpressstation on. In a first alternative of the method, only a processing of the book block back by milling, notches or the like. In a second alternative of the method, adhesive is also applied to the book block, an envelope fed and pressed in the envelope press station. According to the invention, the actual actual thickness of the book block is measured (without or with an envelope) with a measuring device integrated in the envelope press station. Then, a signal transmission of the thickness measured value is carried out to the control unit, where based on the exact measured values of the thickness of the book block, a calculation of setting values for the perfect binder takes place. Next, the automatic correction of the setting values of components and processing stations of the perfect binder takes place taking into account the measured thickness. In the first alternative of the method, the book block can remain in the transport clamp and be moved once more through the adhesive binder. In its second pass, glue is applied and an envelope is fed, producing a taped book.

In vorteilhafter Weise wird durch dieses erfindungsgemäße Verfahren die Dickeneinstellung eines Klebebinders wesentlich optimiert: So kann die Dickeneinstellung vollautomatisch erfolgen und ein Einlernvorgang unter Verwendung eines Referenzbuchblocks ist nicht mehr erforderlich. Auch erfolgt die Messung der Dicke des Buchblocks für die Feineinstellung nicht außerhalb des Klebebinders, sondern innerhalb des Klebebinders unter den dort tatsächlich vorherrschenden Bedingungen. Somit kann die Dicke eines jeweiligen Buchblocks wesentlich genauer gemessen und die Einstellung des Klebebinders in Folge exakter vorgenommen werden.Advantageously, the thickness adjustment of an adhesive binder is substantially optimized by this method according to the invention: Thus, the thickness adjustment can be fully automatic and a learning process using a reference book block is no longer necessary. Also, the measurement of the thickness of the book block for the fine adjustment is not outside of the perfect binder, but within the perfect binder under the conditions actually prevailing there. Thus, the thickness of a respective book block can be measured much more accurately and the setting of the perfect binder can be made more accurate in a row.

In vorteilhafter Weiterbildung des erfindungsgemäßen Verfahrens wird als Messelement bzw. werden als Messelemente der Messeinrichtung eine bzw. beide Anpressschienen der Umschlaganpressstation verwendet. Damit werden in dem Klebebinder keine zusätzlichen Messelemente erforderlich und die Messung der Dicke eines Buchblocks kann erfolgen, während ein Umschlag an einen Buchblock angepresst wird. Auch kann dadurch eine hohe Toleranz gegenüber Temperaturschwankungen und gegenüber der Aufpilzung erreicht werden, ohne dass die Messergebnisse beeinträchtigt werden.In an advantageous development of the method according to the invention, one or both pressing rails of the envelope pressing station are used as measuring element or as measuring elements of the measuring device. Thus, no additional measuring elements are required in the perfect binder and the measurement of the thickness of a book block can take place, while an envelope is pressed against a book block. This also allows a high tolerance to temperature fluctuations and to the mushrooming can be achieved without the measurement results are impaired.

In einer besonders vorteilhaften und daher bevorzugten Weiterbildung des Verfahrens wird die mindestens eine Anpressschiene der Umschlaganpressstation mit einem Zustellbewegungsprofil bewegt. Auch ist ein mehrmaliges Bewegen mit unterschiedlichen Zustellbewegungsprofilen möglich, um unterschiedliche Dickenmesswerte zu erfassen, z.B. einen Dickenmesswert für die Einstellung der Leimdüsen, einen anderen Dickenmesswert für die Einstellung der Abstände von Seitenleimscheiben, einen weiteren Dickenmesswert für die Einstellung der Rillwerkzeuge des Umschlaganlegers, etc. Die Zustellbewegungsprofile unterscheiden sich dabei insbesondere hinsichtlich der Anpresskraft der Anpressschienen. Durch die Verwendung der Anpressschiene als Messelemente und das Vorsehen eines Zustellbewegungsprofils kann verhindert werden, dass die Messelemente auch bei hohen Verarbeitungsgeschwindigkeiten beim Aufsetzen auf den Buchblock in Schwingungen versetzt werden. Dadurch wird eine hohe Messgenauigkeit erreicht. Diese kann weiter verbessert werden, indem das Zustellbewegungsprofil entsprechend angepasst wird.In a particularly advantageous and therefore preferred development of the method, the at least one pressing bar of the envelope pressing station is moved with a feed motion profile. Also, it is possible to move multiple times with different feed motion profiles to detect different thickness readings, e.g. a thickness measurement for the setting of the glue nozzles, another thickness measurement for setting the spacings of Seitenleimscheiben, another thickness measurement for setting the creasing tools of the cover feeder, etc. The Zustellbewegungsprofile differ in particular with respect to the contact pressure of the Anpressschienen. By using the contact pressure rail as measuring elements and the provision of a Zustellbewegungsprofils can be prevented that the measuring elements are set even at high processing speeds when placed on the book block in vibration. As a result, a high accuracy of measurement is achieved. This can be further improved by adjusting the infeed motion profile accordingly.

In vorteilhafter Ausgestaltung des Verfahrens wird die mindestens eine von einem Motor angetriebene Andrückschiene während des Andrückens mit einer vorbestimmten Kraft oder einem Kraftprofil beaufschlagt, welches mittels des regelbaren Drehmoments des Motors erzeugt wird. Sofern unterschiedliche Dickenmesswerte eines Buchblocks erfasst wurden, werden über die Steuereinheit für verschiedene Komponenten und Stationen des Klebebinders unterschiedliche Einstellwerte errechnet. Durch dieses Vorgehen findet die tatsächliche Kompressibilität eines jeweiligen Buchblocks Eingang in die Dickeneinstellung des Klebebinders.In an advantageous embodiment of the method, the at least one pressure rail driven by a motor is subjected during pressing with a predetermined force or a force profile, which is generated by means of the controllable torque of the motor. If different thickness measured values of a book block were detected, different setting values are calculated by the control unit for different components and stations of the perfect binder. By doing so, the actual compressibility of each book block is incorporated in the thickness setting of the perfect binder.

In einer vorteilhaften Ausführungsvariante des erfindungsgemäßen Verfahrens wird die Dickeneinstellung auch während der laufenden Produktion von klebegebundenen Büchern optimiert, indem bei jedem Anpressen eines Umschlages an einen Buchblock oder zumindest in regelmäßigen Abständen eine Messung der Dicke des Buchblocks mit nachfolgender Berechnung und Korrektur der Einstellwerte erfolgt.In an advantageous embodiment of the method according to the invention, the thickness adjustment is optimized during the production of adhesive bound books by each pressing a cover to a book block or At least at regular intervals, a measurement of the thickness of the book block with subsequent calculation and correction of the set values takes place.

Die beschriebene Erfindung und die beschriebenen vorteilhaften Weiterbildungen der Erfindung stellen auch in Kombination miteinander - soweit dies technisch sinnvoll ist - vorteilhafte Weiterbildungen der Erfindung dar.The invention described and the described advantageous developments of the invention are also in combination with each other - as far as is technically feasible - advantageous developments of the invention.

Hinsichtlich weiterer Vorteile und in konstruktiver und funktioneller Hinsicht vorteilhafter Ausgestaltungen der Erfindung wird auf die Unteransprüche sowie die Beschreibung von Ausführungsbeispielen unter Bezugnahme auf die beiliegenden Figuren verwiesen.With regard to further advantages and constructive and functional advantageous embodiments of the invention, reference is made to the dependent claims and the description of exemplary embodiments with reference to the accompanying figures.

Ausführungsbeispielembodiment

Die Erfindung soll an Hand beigefügter Figuren noch näher erläutert werden. Einander entsprechende Elemente und Bauteile sind in den Figuren mit gleichen Bezugszeichen versehen. Zugunsten einer besseren Übersichtlichkeit der Figuren wurde auf eine maßstabsgetreue Darstellung verzichtet.The invention will be explained in more detail with reference to attached figures. Corresponding elements and components are provided in the figures with the same reference numerals. In favor of a better clarity of the figures was waived a true to scale representation.

Es zeigen in schematischer Darstellung

Fig. 1
einen Klebebinder in einer Übersichtsdarstellung
Fig. 2
eine Anpressstation gemäß dem Stand der Technik
Fig. 3
eine alternative Ausführungsform einer Anpressstation
Fig. 4
eine schematische Darstellung der Messeinrichtung
It show in a schematic representation
Fig. 1
an adhesive binder in an overview
Fig. 2
a pressing station according to the prior art
Fig. 3
an alternative embodiment of a pressing station
Fig. 4
a schematic representation of the measuring device

Fig. 1 zeigt einen Ausschnitt aus einem Klebebinder 1000 mit einem nicht dargestellten Buchblocktransportsystem 33, welches durch eine, angetriebene umlaufende Kette mit daran befestigten Klammern 1002 gebildet wird. Der Antrieb der umlaufenden Kette wird beispielsweise von einem nicht dargestellten Servomotor gebildet. Buchblöcke 100 werden von der Zusammentragmaschine 1010 kommend in Transportrichtung T dem Klebebinder 1000 zugeführt. Die Buchblöcke 100 werden von Klammern 1002 ergriffen und zu einer ersten Bearbeitungsstation, einer Rückenbearbeitungsstation 1020, transportiert. Die Rückenbearbeitungsstation 1020 kann mehrere nicht dargestellte Bearbeitungswerkzeuge besitzen. Der an seinem Rücken bearbeitete Buchblock 100 wird weiter zu einer Leimauftragsstation 1030 transportiert und mit Klebstoff versehen. In einer nachfolgenden Fälzelstation 1040 kann optional ein Fälzelstreifen aufgebracht werden. In einer Vorrichtung zum Anlegen und Fixieren des Umschlages 20.1 einer Umschlaganlege- und - anpressstation 2 werden von einer Umschlagzuführstation 1 zugeführte Umschläge 101 an die Buchblöcke 100 angelegt und fixiert. In der nachfolgenden Vorrichtung zum Anpressen eines Umschlags 20, welche noch näher beschrieben wird, wir der Umschlag 101 angepresst und so mit dem Buchblock 100 verbunden. Anschließend werden die Buchblöcke 100 weiter durch eine Kühl- und Trockenstrecke 1060 zu einer Beschnittstation 3 (nicht näher dargestellt) transportiert. Der Klebebinder 1000 wird von einer Steuereinheit 4 angesteuert. Die Steuereinheit besitzt ein Interface, über welches u.a. Einstellwerte vom Maschinenbediener vorgegeben werden können. Die Einstellung und Ansteuerung der verschiedenen Bearbeitungsstationen 1010, 1020, 1030, 1040, 20, 3 des Klebebinders 1000 erfolgt durch die Steuereinheit 4.
Über das Interface der Steuereinheit 4 kann die Dicke D der Buchblocks 100 eingegeben werden. Daraufhin werden die Bearbeitungsstationen 1010, 1020, 1030, 1040, 20, 3 grob eingestellt. Fig. 1 shows a section of an adhesive binder 1000 with a book block transport system 33, not shown, which is formed by a driven circulating chain with clips 1002 attached thereto. The drive of the circulating chain is formed for example by a servomotor, not shown. Book blocks 100 are fed from the gathering machine 1010 in the direction of transport T to the perfect binder 1000. The book blocks 100 are grasped by staples 1002 and transported to a first processing station, a back processing station 1020. The spine processing station 1020 may include a plurality of processing tools, not shown have. The book block 100 processed on its back is further transported to a glue application station 1030 and provided with adhesive. In a subsequent Fälzelstation 1040 optional Fälzelstreifen can be applied. In an apparatus for applying and fixing the envelope 20. 1 of a cover-applying and pressing station 2, envelopes 101 fed from an envelope-feeding station 1 are applied to the book blocks 100 and fixed. In the following device for pressing an envelope 20, which will be described in more detail, we pressed the envelope 101 and so connected to the book block 100. Subsequently, the book blocks 100 are further transported by a cooling and drying section 1060 to a trimming station 3 (not shown in detail). The perfect binder 1000 is controlled by a control unit 4. The control unit has an interface via which, among other things, setting values can be specified by the machine operator. The setting and control of the various processing stations 1010, 1020, 1030, 1040, 20, 3 of the perfect binder 1000 is performed by the control unit. 4
Via the interface of the control unit 4, the thickness D of the book block 100 can be entered. Thereafter, the processing stations 1010, 1020, 1030, 1040, 20, 3 are roughly adjusted.

In Figur 2 ist eine Vorrichtung zum Anpressen eines Umschlags 20 einer Umschlaganlege- und -anpressstation 2 gemäß dem Stand der Technik gezeigt. Ein aus zusammengetragenen Signaturen, z. B. Papierblättern, bestehender Buchblock 100 mit einer Dicke D wird in einer Buchblockklammer 1002 gehalten bzw. geklemmt und von der Klammer 1002 in Transportrichtung T gefördert. Der Transport erfolgt durch ein Buchblocktransportsystem 33, das aus einer nicht näher dargestellten, umlaufenden Kette besteht, an der die Transportzangen 1002 befestigt sind. Die Kette wird von einem nicht näher dargestellten Servomotor angetrieben.In FIG. 2 a device for pressing an envelope 20 of a Umschlaganlege- and -pressing station 2 according to the prior art is shown. One of collected signatures, z. B. paper sheets, existing book block 100 with a thickness D is held or clamped in a book block clamp 1002 and conveyed by the bracket 1002 in the transport direction T. The transport takes place through a book block transport system 33, which consists of a non-illustrated circulating chain on which the transport tongs 1002 are attached. The chain is driven by a servomotor, not shown.

An der Maschinenposition der Vorrichtung zum Anpressen eines Umschlages 20 wird ein Umschlag 101 bevorzugt in vertikaler Richtung von unten nach oben an den Block 100 angepresst bzw. angedrückt und dabei mit dem Rücken des Blocks 100 verbunden, nämlich verklebt oder verleimt. Der Rücken und/oder der Umschlag 101 wurde zuvor, d. h. in einer vorgeordneten Station des Klebebinders, mit Klebstoff oder Leim, z. B. mit Heißschmelzklebstoff oder mit Kaltleim, versehen.At the machine position of the apparatus for pressing an envelope 20, an envelope 101 is preferably pressed or pressed in the vertical direction from bottom to top of the block 100 and thereby connected to the back of the block 100, namely glued or glued. The back and / or the envelope 101 was previously, ie in an upstream station of the perfect binder, with glue or glue, z. B. with hot melt adhesive or with cold glue provided.

Das Anpressen des Umschlags 101 erfolgt durch eine Vertikalbewegung 43 eines Rahmens 44 entlang der Schienen 45 der Vorrichtung 20 (Auf- und Abbewegung). Der Rahmen 44 trägt ein erstes Anpresselement 21, insbesondere einen Anpresstisch 21. Hierdurch wird der notwendige Druck für die Verbindung von Umschlag 101 und Block 100 erzeugt.The pressing of the envelope 101 is effected by a vertical movement 43 of a frame 44 along the rails 45 of the device 20 (up and down movement). The frame 44 carries a first pressing element 21, in particular a Anpresstisch 21. In this way, the necessary pressure for the connection of the envelope 101 and block 100 is generated.

Um der Transportbewegung des Blocks 100 während des Anpressens folgen zu können, ist der Anpresstisch 21 als Schlitten auf einer Schiene 46 des Rahmens 44 gelagert und bewegbar bzw. verschiebbar. Der Anpresstisch 21 vollführt während des Anpressens eine Horizontalbewegung 47 (Vor- und Rückbewegung), welche parallel zur Transportrichtung T und während der Vorwärtsbewegung mit gleichförmiger, der Transportgeschwindigkeit des Blocks 100 entsprechender Geschwindigkeit erfolgt. Das Anpressen geschieht somit während einer Gleichlaufphase zwischen dem transportierten Block 100 und dem bewegten Anpresstisch 21.In order to follow the transport movement of the block 100 during pressing, the pressure table 21 is mounted as a slide on a rail 46 of the frame 44 and movable or displaceable. The Anpresstisch 21 performs during pressing a horizontal movement 47 (forward and backward movement), which is parallel to the transport direction T and during the forward movement with uniform, the transport speed of the block 100 corresponding speed. The pressing is thus done during a synchronous phase between the transported block 100 and the moving pressure table 21st

Das seitliche Anpressen des Umschlags 101 in den Seitenbereichen erfolgt durch eine Transversalbewegung 48 wenigstens eines zweiten Anpresselements 22, oder eines zweiten und dritten Anpresselements 22, 23 (Aufeinanderzu- und Voneinanderwegbewegung), insbesondere von jeweiligen seitlichen Anpressschienen 22, 23 auf jeder Seite der Vorrichtung 20 bzw. des Buchblocks 100. Hierzu sind die Anpressschienen 22, 23 auf jeweiligen Schienen 49 des Anpresstischs 21 gelagert und motorisch bewegbar bzw. verschiebbar.
Durch die Überlagerung der Vertikalbewegung 43 mit der Horizontalbewegung 47 vollführt der Anpresstisch 21 eine Bahnbewegung 50. Die Bahnbewegung 50 wird durch einen Servomotor 58 in Verbindung mit einem entsprechenden Koppelgetriebe 64 erzeugt.The lateral pressing of the cover 101 in the side regions is effected by a transverse movement 48 of at least one second pressing element 22, or a second and third pressing element 22, 23 (Aufeinanderzu- and Voneinanderwegbewegung), in particular of each lateral pressure rails 22, 23 on each side of the device 20th or the book block 100. For this purpose, the contact pressure rails 22, 23 are mounted on respective rails 49 of the Anpresstischs 21 and motorized movable or displaceable.
Due to the superimposition of the vertical movement 43 with the horizontal movement 47, the pressing table 21 performs a web movement 50. The web movement 50 is generated by a servomotor 58 in conjunction with a corresponding coupling mechanism 64.

Des Weiteren vollführen die Anpressschienen 22, 23 durch die Überlagerung der Horizontalbewegung 47 mit der Transversalbewegung 48 jeweilige gegenläufige Bahnbewegungen 51, wobei die Bahnbewegungen 51 noch mit der Bahnbewegung 50 überlagert werden.Furthermore, the contact pressure rails 22, 23 perform respective counterrotating path movements 51 by the superimposition of the horizontal movement 47 with the transverse movement 48, wherein the path movements 51 are still superimposed with the path movement 50.

Die Erzeugung der Anpressbewegung (Transversalbewegung) der jeweiligen Anpressschienen 22, 23 erfolgt durch eine jeweilige, ortsfest angeordnete bzw. gestellfeste Antriebseinheit 52 (in Bezug auf das Gestell der Vorrichtung 20) auf jeder Seite der Vorrichtung 20, d. h. jeder Anpressschiene 22, 23 ist eine eigene Antriebseinheit 52 zugeordnet.The generation of the contact pressure movement (transverse movement) of the respective contact pressure rails 22, 23 is effected by a respective fixedly arranged or frame-fixed drive unit 52 (with respect to the frame of the device 20) on each side of the device 20, d. H. Each pressing bar 22, 23 is assigned its own drive unit 52.

Die Antriebseinheit 52 umfasst einen bevorzugt separat ansteuerbaren Servomotor 53, welcher eine drehbare Spindel 54 antreibt. Die von dem Servomotor 53 eingeleitete Drehbewegung der Spindel 54 wird in eine steuerbare Transversalbewegung 48 des verschiebbaren Elements 55 übersetzt. Der Servomotor 53 wird durch die Steuereinheit 4 mit einem Zustellbewegungsprofil beaufschlagt.The drive unit 52 comprises a preferably separately controllable servomotor 53, which drives a rotatable spindle 54. The rotational movement of the spindle 54 initiated by the servomotor 53 is translated into a controllable transverse movement 48 of the displaceable element 55. The servo motor 53 is acted upon by the control unit 4 with a Zustellbewegungsprofil.

Während diesem seitlichen Anpressen erfolgt erfindungsgemäß eine Messung der Dicke D des Buchblocks 100.During this lateral pressing takes place according to the invention, a measurement of the thickness D of the book block 100th

Fig. 3 zeigt eine alternative Ausführungsform einer Vorrichtung zum Anpressen eines Umschlags 20 in einer Übersichtsdarstellung, welche ähnlich der Vorrichtung gemäß Fig. 2 aufgebaut ist, und das erfindungsgemäße Verfahren illustriert. Die Vorrichtung 20 befindet sich in einem Klebebinder 1000 zwischen einer Umschlagzuführstation 1 (siehe Fig. 1) und einer nachfolgenden Kühlstrecke 1060 und / oder einer Beschnittstation 3 (nur symbolisch dargestellt in Fig. 1). In den vorgelagerten, nicht dargestellten, Stationen des Klebebinders 1000 wurden Buchblocks 100 bereits bearbeitet, nämlich der Buchblockrücken aufgeraut, allerdings kein Klebstoff aufgetragen. Durch eine Umschlagzuführstation 1 wurde ausnahmsweise kein Umschlag 1001 vereinzelt sodass in deren Anlegestation 20.1 an einen Buchblock 100 kein Umschlag 101 angelegt wurde und ein nachfolgender Messvorgang der Dicke D ohne Umschlag 101 erfolgen kann. Fig. 3 shows an alternative embodiment of an apparatus for pressing an envelope 20 in an overview, which is similar to the device according to Fig. 2 is constructed, and illustrates the inventive method. The device 20 is located in an adhesive binder 1000 between a Umschlagzuführstation 1 (see Fig. 1 ) and a subsequent cooling section 1060 and / or a trimming station 3 (shown only symbolically in FIG Fig. 1 ). In the upstream, not shown, stations of perfect binder 1000 book block 100 have already been processed, namely the book block back roughened, but no adhesive applied. By exception, no envelope 1001 was singulated by an envelope feeder station 1, so that no envelope 101 was applied to a book block 100 in its docking station 20.1 and a subsequent measuring operation of the thickness D without an envelope 101 can take place.

Ein Buchblock 100 wird von einem nicht dargestellten Buchblocktransportsystem 33 ebenfalls in Transportrichtung T zur Umschlaganlege- und -anpressstation 2 und durch diese hindurch bewegt. Im Bereich der dargestellten Umschlaganlege- und -anpressstation 20 kann ein Umschlag 101 an einen Buchblock 100 mit einer Presskraft fest an den Buchblock 100 angepresst werden.
Hierbei wird, wie zu Fig. 2 bereits oben beschrieben, in der Vorrichtung zum Anpressen des Umschlags 20 bei der regulären Herstellung eines Buches der Umschlag mit Hilfe eines Andrücktisches 21, der an einem Rahmen 44 der Vorrichtung befestigt ist und eine Bahnbewegung 50 aus überlagerter Vertikalbewegung 43 und Horizontalbewegung 47 ausführt, an den beleimten Rücken 42 des Buchblocks 100 angepresst. Anschließend wird der Umschlag 101 auch im Bereich einer Seitenbeleimung in der Vorrichtung zum Anpressen eines Umschlags 20 angepresst. Dazu werden seitliche Andrückschienen 22, 23 in transversaler Richtung 48 senkrecht zur Transportrichtung T verfahren und pressen den Umschlag 101 in den rückennahen Seitenbereichen gegen den Buchblock 100. Der Umschlag 101 ist in Fig. 3 zwecks besserer Übersichtlichkeit nicht dargestellt.A book block 100 is also moved by a book block transport system 33, not shown, in the direction of transport T to the envelope application and pressure station 2 and therethrough. In the area of the illustrated envelope application and pressure station 20, an envelope 101 can be pressed against a book block 100 with a pressing force fixed to the book block 100.
This will, how to Fig. 2 already described, in the apparatus for pressing the envelope 20 in the regular production of a book, the envelope by means of a Andrücktisches 21, which is fixed to a frame 44 of the device and performs a path movement 50 of superposed vertical movement 43 and horizontal movement 47, to the glued back 42 of the book block 100 pressed. Subsequently, the envelope 101 is also pressed in the region of a side gluing in the device for pressing an envelope 20. For this purpose, lateral pressure rails 22, 23 are moved in the transverse direction 48 perpendicular to the transport direction T and press the envelope 101 against the book block 100 in the rear-side regions. The envelope 101 is in Fig. 3 not shown for the sake of clarity.

Das seitliche Anpressen des Umschlags 101 in den Seitenbereichen erfolgt durch eine Transversalbewegung 48 der Anpresselemente 22 und 23 (Aufeinanderzu- und Voneinanderwegbewegung), von jeweiligen seitlichen Anpressschienen 22, 23 auf jeder Seite der Vorrichtung 20 bzw. des Buchblocks 100. Hierzu sind die Anpressschienen 22, 23 auf jeweiligen Schienen 49 gelagert und motorisch bewegbar bzw. verschiebbar. Die Schienen 49 sind auf einem Träger 42 befestigt, welcher starr mit dem Anpresstisch 21 verbunden ist. Während dem seitlichen Anpressen erfolgt eine Messung der Dicke D des Buchblocks 100 wie am Beispiel von Fig. 2 bereits beschrieben.The lateral pressing of the cover 101 in the side areas is effected by a transverse movement 48 of the pressing elements 22 and 23 (Aufeinanderzu- and Voneinanderwegbewegung), of respective lateral pressure rails 22, 23 on each side of the device 20 and the book block 100. For this purpose, the pressure rails 22nd , 23 mounted on respective rails 49 and motorized movable or displaceable. The rails 49 are mounted on a support 42 which is rigidly connected to the Anpresstisch 21. During the lateral pressing takes place a measurement of the thickness D of the book block 100 as in the example of Fig. 2 already described.

In einer alternativen Ausgestaltung ist eine Anpressschiene 23 feststehend ausgeführt und die andere Anpressschiene 22 wird zugestellt.In an alternative embodiment, a pressing bar 23 is fixed and the other pressing bar 22 is delivered.

Nachfolgend wird der Messvorgang näher beschrieben, welcher der Optimierung der Dickeneinstellung des Klebebinders 1000 dient:

  • Auf einer mechanisch geradlinigen Führung ausgeführt als Schiene 49 wird ein Messkörper bewegt. Dieser Messkörper ist in der Vorrichtung 20 als eine seitliche Anpressschiene 22, 23 ausgeführt.
Dieser geradlinig bewegbare Messkörper 22, 23 wird jeweils von einem positionsgesteuerten Motor 53 angetrieben (nur der vordere Motor ist sichtbar). Dabei wird die rotatorische Bewegung des Antriebes 53 in eine translatorische Bewegung des Messkörpers 22, 23 übersetzt. Wie die Darstellung zeigt, wird dies in der Vorrichtung 20 mit Hilfe einer Kugelumlaufspindel 54 erreicht.The measuring process which serves to optimize the thickness setting of the perfect binder 1000 is described in more detail below:
  • Running on a mechanically rectilinear guide rail 49, a measuring body is moved. This measuring body is embodied in the device 20 as a lateral pressure rail 22, 23.
This linearly movable measuring body 22, 23 is in each case driven by a position-controlled motor 53 (only the front engine is visible). It will the rotational movement of the drive 53 translated into a translational movement of the measuring body 22, 23. As the illustration shows, this is achieved in the device 20 by means of a ball screw 54.

Zum Vermessen der Dicke D des Buchblocks 100, der in einer Buchblockklammer 1002 eingespannt ist, wird dieser über der Vorrichtung 20 hinwegbewegt. Befindet sich der Andrücktisch 21 mit den seitlichen Anpressschienen 22, 23 in einer vorteilhaften Position zur Buchblockklammer 1002) bzw. dem Buchblock 100, so können mehrere Messzyklen zur Messung der Dicke D des Buchblocks 100 im Bereich von dessen Bundsteg durchgeführt werden.To measure the thickness D of the book block 100, which is clamped in a book block clamp 1002, this is moved over the device 20. If the pressure table 21 with the lateral pressure rails 22, 23 is in an advantageous position relative to the book block clamp 1002) or the book block 100, several measurement cycles can be carried out for measuring the thickness D of the book block 100 in the area of its gutter.

Dabei werden die Motoren 53 der vorderen und hinteren seitlichen Anpressschiene 22, 23 so angesteuert, dass diese sich zum Buchblock 100 hin bewegen. Dabei werden die Rotationsbewegungen der Motoren 53 mit Hilfe der Kugelumlaufspindeln 54 in translatorische Bewegungen der Anpressschienen 22, 23 zum Buchblock 100 versetzt. Bei diesen Bewegungen wird die Rotationsbewegung der Motoren 53 über einen motoreigenen oder externen Drehgeber (nicht dargestellt) permanent von der Steuer- und Auswerteeinheit 4 überwacht und erfasst.
Da die Drehbewegung mit einer konstanten Übersetzung zum Messkörper 22, 23 gekoppelt ist, kann zu jeder Zeit die Position der Anpressschienen 22,23 berechnet werden.In this case, the motors 53 of the front and rear lateral contact pressure rails 22, 23 are controlled such that they move toward the book block 100. The rotational movements of the motors 53 by means of the ball screws 54 in translational movements of the contact rails 22, 23 are offset to the book block 100. In these movements, the rotational movement of the motors 53 is permanently monitored and detected by the control and evaluation unit 4 via a motor-own or external rotary encoder (not shown).
Since the rotational movement is coupled to the measuring body 22, 23 at a constant ratio, the position of the pressure rails 22, 23 can be calculated at any time.

Sind die Zustellbewegungen abgeschlossen, die je nach Anforderung beliebige Zustellbewegungsprofile aufweisen können, werden die Anpressschienen 22, 23 von den Motoren 53 mit einem definierten Drehmoment beaufschlagt. Dieses Drehmoment wird auf den Buchblock 100 als Andrückkraft übertragen. Der Buchblock 100 wird damit mit einer genau einstellbaren Kraft zusammengepresst. Durch die weiterhin permanente Auswertung der Drehgeber der Motoren 53, kann die veränderte und absolute Position der seitlichen Anpressschienen 22, 23 berechnet werden.
In einer vorteilhaften Variante ist beim Einsatz von relativen Drehgebern ein zusätzlicher Positionsgeber erforderlich. Dieser dient nach einmaliger Überfahrt zur Positionsdefinition des Messkörpers 22, 23 d.h. zum Abgleich der Position der seitlichen Anpressschienen 22, 23 zur Position des Drehgebers.If the feed movements are completed, which may have any Zustellbewegungsprofile depending on the requirement, the contact pressure rails 22, 23 acted upon by the motors 53 with a defined torque. This torque is transmitted to the book block 100 as a pressing force. The book block 100 is thus pressed together with a precisely adjustable force. Due to the continued permanent evaluation of the rotary encoder of the motors 53, the changed and absolute position of the lateral pressure rails 22, 23 can be calculated.
In an advantageous variant, an additional position transmitter is required when using relative encoders. This is used after a single crossing for position definition of the measuring body 22, 23 ie to balance the position of the lateral contact rails 22, 23 to the position of the encoder.

Der Vorteil einer solchen Dickenmessung gegenüber anderen, bekannten Messstationen liegt in der konfigurierbaren Krafteinwirkung (Andrückkraft) auf den Buchblock 100 am Bundsteg während der Messung. Beim Vermessen des Buchblockes 100 im Bundsteg nach dieser Erfindung können sinnvollerweise mehrere Messzyklen mit unterschiedlichen Zustellbewegungsprofilen für unterschiedliche Dickeneinstellwerte in einem Klebebinder 1000 durchgeführt werden:

  1. 1. Messzyklus (Blockdickenmessung mit hohen Druck)- Einstellwerte der Position und Blockdicke in der Andrückstation 20, von Abstand und Position der Rillwerkzeuge im Umschlaganleger 20.1, der Position der Düsen zur Umschlagbeleimung in der Leimauftragstation 1030 sowie der Position und Breite des Fälzelstreifens in der Fälzelstation 1040.
  2. 2. Messzyklus (Blockdickenmessung mit geringen Druck)- Einstellwerte für den Abstand der Seitenleimscheiben im Seitenleimwerk der Leimauftragstation 1030.
  3. 3. Messzyklus (Blockdickenmessung mit mittleren Druck)- Einstellwerte des Abstandes und der Position der seitlichen Führungsschienen in den Rückenleimwerken der Leimauftragstation 1030.
The advantage of such a thickness measurement over other, known measuring stations lies in the configurable force (pressure force) on the book block 100 at the gutter during the measurement. When measuring the book block 100 in the gutter according to this invention, it is expedient to carry out a plurality of measuring cycles with different feed motion profiles for different thickness setting values in an adhesive binder 1000:
  1. 1st measurement cycle (high pressure block thickness measurement) - setting values of the position and block thickness in the pressing station 20, the distance and position of the scoring tools in the envelope feeder 20.1, the position of the envelope gluing nozzles in the glue application station 1030 and the position and width of the folding strip in the feeder station 1040th
  2. 2nd measuring cycle (block thickness measurement with low pressure) - Setting values for the distance of the side glue discs in the side gluing unit of the glue application station 1030.
  3. 3. Measuring cycle (block thickness measurement with medium pressure) - Setting values of the distance and the position of the lateral guide rails in the back gluing units of the glue application station 1030.

In Fig. 4 ist die Messeinrichtung in einer schematischen Darstellung gezeigt. Wie ersichtlich erfolgt die Messung der Buchblockdicke D im Bereich des Bundsteges, also dort, wo die Dicke D des Buchblocks 100 am größten ist. Im Unterschied beispielsweise zum offenen Ende des Buchblocks 100, wo die Dicke D' beträgt, wird bei der Messung der Buchblockdicke die Aufpilzung P mit berücksichtigt.
Weiterhin sind in Fig. 4 die Drehgeber 65 und die Positionsgeber 66 dargestellt, welche der Ansteuerung der Motoren 53 dienen.In Fig. 4 the measuring device is shown in a schematic representation. As can be seen, the measurement of the book block thickness D in the region of the gutter, ie where the thickness D of the book block 100 is greatest. In contrast to, for example, the open end of the book block 100, where the thickness D 'is, the Aufpilzung P is taken into account in the measurement of the book block thickness.
Furthermore, in Fig. 4 the rotary encoder 65 and the position sensor 66 are shown, which serve to drive the motors 53.

Claims (7)

  1. Method for optimising the thickness adjustment of an adhesive binder (1000) with the following steps:
    a) Determining the thickness (D) of a book block (100)
    b) Inputting the thickness (D) of the book block (100) into a control unit (4) of the adhesive binder (1000)
    c) Automatically roughly adjusting of components (1002) and stations (1010, 1020, 1030, 1040, 2, 160) of the adhesive binder (1000) based on the input of the thickness (D) of the book block (100)
    d) Feeding a first book block (100) into the adhesive binder (1000), at least partly processing the book block in the stations and forwarding to a cover pressing station (2)
    e) Measuring the thickness (D) of the book block (100) with a measuring device (22, 23, 53) integrated into the cover pressing station (2)
    f) Transferring the at least one measured value for the thickness to the control unit (4)
    g) Automatically correcting the adjustment values of components and stations of the adhesive binder (1000) taking into consideration the thickness measured.
  2. Method for optimising the thickness adjustment according to claim 1, characterised in that
    at least one pressing bar (22, 23) of the cover pressing station (2) is used as measuring elements of the measuring device.
  3. Method for optimising the thickness adjustment according to claim 2, characterised in that
    the at least one pressing bar (22, 23) is moved with a feed movement profile.
  4. Method for optimising the thickness adjustment according to claim 2 or 3, characterised in that
    in step e) the torque profile of at least one drive motor (53) of the at least one drive rail (22, 23) is picked up and evaluated.
  5. Method for optimising the thickness adjustment according to one of claims 3 or 4, characterised in that
    in step f) the control unit (4) calculates various adjustment values from various measured values for the thickness of a book block (100) for the components and stations of the adhesive binder (1000).
  6. Method for optimising the thickness adjustment according to one of the previous claims, characterised in that
    steps e) to g) are carried out during running production of adhesive bound books in the adhesive binder (1000).
  7. Method for optimising the thickness adjustment according to one of the previous claims, characterised in that
    in step d) adhesive is applied to a book block and in step e) a cover (101) is pressed on the book block (100) before the measuring process.
EP15173539.6A 2014-06-25 2015-06-24 Method for optimizing the thickness adjustment of an adhesive binder Active EP2960067B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014009425.1A DE102014009425A1 (en) 2014-06-25 2014-06-25 Method for optimizing the thickness adjustment of an adhesive binder

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EP2960067B1 true EP2960067B1 (en) 2017-08-16

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CN111323276B (en) * 2018-12-13 2023-08-01 中国科学院宁波材料技术与工程研究所 Resin fiber test sample bonding workbench
CN111231537A (en) * 2020-01-18 2020-06-05 杭州惠宝机电股份有限公司 Book thickness numerical control glue binding operation method
CN113415091B (en) * 2021-06-25 2023-12-08 浙江大祥办公设备有限公司 Full-automatic thickness measurement quick cementing machine control method
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EP2960067A1 (en) 2015-12-30
CN105270004A (en) 2016-01-27
JP2016007859A (en) 2016-01-18
DE102014009425A1 (en) 2015-12-31
CN105270004B (en) 2018-09-18

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