EP2876070B1 - Device for forming book blocks - Google Patents

Description

The invention relates to a device for the formation of book blocks from printed in an upstream printing machine signatures or in an upstream processing unrolled pre-printed signatures.

From practice, printing presses already designed as web presses are known, in which a web-shaped printing material is printed, wherein the web-shaped printing material can be folded in a folder and separated into signatures. Furthermore, printing presses are already known from practice in which isolated signatures can be combined, for example by stapling, to a printed copy.

For variable printing in small print runs increasingly used as digital printing presses are used. It is important to separate the printed on a digital printing substrate to signatures and unify the isolated signatures to so-called book blocks. So far, no devices are known with which it is possible to unite profitable printed, scattered and possibly folded signatures to book blocks in small numbers.

US Pat. No. 5,992,838 discloses the preamble of claim 1.

On this basis, the present invention seeks to provide a novel device for the formation of book blocks.

This object is achieved by a device for the formation of book blocks according to claim 1.

The device according to the invention for the formation of book blocks comprises: a first conveyor, which takes over printed signatures in the upstream printing machine; at least one of the first conveyor associated signature switch; a plurality of second conveyors, each of the promoted from the first conveyor signatures depending on the position of the or each signature switch each one of the plurality of second conveyors can be fed; a plurality of book blockers, wherein each second conveyor is associated with a respective book blocker, each book block forming the belonging to the same book block signatures are fed depending on the position of the or each signature gate on the cooperating with the respective book blocker second conveyor; several offshoots, each book blocker each having an offshoot associated with it, which takes over the book blocks formed in the respective bookblocker after being released by the respective bookblocker; a third conveyor on which the book blocks with the help of the offshoot can be stored and which supplies the book blocks of a delivery device. The inventive device allows a small number of profitable book blocks of printed, isolated and possibly folded signatures.

According to an advantageous embodiment of the invention, the first conveyor runs horizontally and transports the printed, isolated and optionally folded signatures in the horizontal direction, wherein the third conveyor below the first conveyor horizontally extends and transports the book blocks in the horizontal direction, and wherein the second conveyors each obliquely from top to bottom between the first conveyor and the book blockers. Preferably, the second conveying devices are designed such that in the same the signatures are shovable before insertion into the respective Buchblockbildner. This arrangement of the different conveyors allows a particularly advantageous formation of book blocks.

According to an advantageous development of the invention, each book blocker has a stop which can be transferred between a first position in which the signatures belonging to a book block can be collected thereon and a second position in which it releases a book block formed in the book block former, wherein each book blocker is associated with a book block conveyor which, in the second position of the book blocker stopper, feeds the book block formed therein from the book blocker to the copier co-operating therewith. Each book block former preferably has a pressing device with the aid of which each book block formed in the respective book block former can be compressed at least in sections and thus can be compacted. The interaction of the blockers with the book block conveyors allows an effective formation of book blocks.

According to an advantageous embodiment of the invention, each offshoot between a first position in which the same from the cooperating with the same Buchblockbildner a book block can be fed, and a second position in which a book block of the same can be stored on the third conveyor, can be transferred. The stop of the respective book block former can preferably be transferred from the first position to the second position only when the off-set cooperating with the respective book block former has been transferred to the first position. This embodiment of the offshoot makes it possible to reliably transfer the book blocks formed in the book blocker to the third conveyor.

Fig. 1:

eine schematisierte Darstellung einer eine digitale Rollendruckmaschine, eine Falzeinrichtung und eine erfindungsgemäße Vorrichtung zur Bildung von Buchblöcken umfassenden Anlage;

Fig. 2:

die erfindungsgemäße Vorrichtung zur Bildung von Buchblöcken in Alleindarstellung;

Fig. 3:

ein Detail einer alternativen Vorrichtung zur Bildung von Buchblöcken;

Fig. 4:

ein Detail einer weiteren alternativen Vorrichtung zur Bildung von Buchblöcken; und

Fig. 5:

ein Detail einer weiteren alternativen Vorrichtung zur Bildung von Buchblöcken.

Preferred embodiments of the invention will become apparent from the dependent claims and the description below. An embodiment of the invention will be described, without being limited thereto, with reference to the drawing. Showing:

Fig. 1:

a schematic representation of a digital web printing press, a folding device and a device according to the invention for the formation of book blocks comprehensive plant;

Fig. 2:

the inventive device for the formation of book blocks in solitary representation;

3:

a detail of an alternative apparatus for forming book blocks;

4:

a detail of another alternative apparatus for forming book blocks; and

Fig. 5:

a detail of another alternative device for forming book blocks.

Fig. 1 schematically shows a printing system with a trained as a digital printing press web printing machine 10, in which a web-shaped substrate 11 can be printed with variable different print contents. The web-shaped printing material printed in the web press 10 embodied as a digital printing press can be fed to a folding device 12, wherein the folding device 12 comprises at least two longitudinal folding devices 13 and 14 positioned one behind the other for longitudinal folding of the printed printing material web and a separating device 15 positioned downstream of the longitudinal folding devices 13 and 14, in which 11 individual signatures can be separated from the printed substrate web. The signatures separated from the printing material web 11 can be accelerated by means of an acceleration device 16 in order to feed them at a defined distance to a device 17 according to the invention for forming book blocks. Book blocks 18 can be formed from collected signatures in the device 17 according to the invention, with details of the device 17 according to the invention for forming book blocks being discussed below.

The device 17 according to the invention serves to form book blocks 18 from an upstream printing machine or from an upstream one Unrolled unrolled, isolated and possibly folded signatures, with the aid of the device 17 according to the invention both glued and non-glued book blocks can be formed.

The device 17 according to the invention comprises a first conveyor 19, which is designed as a belt conveyor in the embodiment shown, wherein the first conveyor 19 takes over the printed in a pre-printed printing machine 10, isolated and possibly folded signatures. The first conveyor 19 extends according to Fig. 2 in the horizontal direction and transports the printed, isolated and possibly folded signatures in the horizontal direction.

The inventive device 17 further comprises at least one signature switch 20, which is associated with the first conveyor 19. In the preferred embodiment shown, the first conveyor 19 is assigned a total of four signature switches 20, via which a signature can be conveyed in different directions.

The device according to the invention further comprises a plurality of second conveyors 21, which in turn are designed as belt conveyors. Each of the promoted by the first conveyor 19 signature is dependent on the switching position of the signature switches 20 each one of the plurality of second conveyors 21 can be fed.

Each second conveyor 21 is associated with a book blocker 22. Each of the book blockers 22, the belonging to the same book block 18 signatures depending on the switching position of the signature switches 20 via the cooperating with the respective book block 22 second conveyor 21 can be fed.

With each book blocker 22 each have an offshoot 23 together. The book block formed in the respective book block 22 can be taken over by the respective book block 22 from the respective offshoot 23 to store the book block on a third conveyor 24 with the aid of the respective Ablegers 23, via which the blocks 18 in the direction of a Auslegeeinrichtung 25th are transportable.

The third conveyor 24 extends below the first conveyor 19 in the horizontal direction and transports the book blocks 18 formed in the horizontal direction in the direction of the delivery device 25th

The inventive device 17 for forming book blocks accordingly comprises a plurality of different conveyors 19, 21 and 24, namely the first conveyor 19, which serves for the horizontal transport of the signatures, the third conveyor 24, which serves for the horizontal transport of the book blocks 18, and the second Conveyors 21, which serve to transport the signatures to the book block formers 22 depending on the position of the signature turnouts 20, wherein the second conveyors 21 extend obliquely from top to bottom between the first conveyor 19 and the book block formers 22, the book block formers 22 below the first conveyor 19 and above the third conveyor 24 is positioned.

The second conveyors 21 are designed such that on the same the signatures before insertion into the respective Buchblockbildner 21 are aufschuppbar to a scale flow. This can be realized by having the second conveyors 21 upstream of the book blockers 21, an area that slows down the signatures. In Fig. 2 Each second conveyors 21 a scraper 42 is assigned. The shingles can be done with fixed or variable coverage.

The book blockers 22 are format variable. At the same signatures can be collected with a defined format width and defined format height to a book block 18 with a defined format thickness, namely format variable in terms of format width and / or format height and / or format thickness.

Each book blocker 22 has an inclined base 26 and a front stop 27, with the respective stop 27 between a first position, in which at the same the signatures belonging to a book block are collectable, and a second position, in which the same one in Buchblockbildner 22 formed book block 18 releases, is convertible. So can Fig. 2 it can be seen that each stop 27 is pivotable about an axis 39 to be transferred from the first position to the second position and vice versa from the second position to the first position.

With each Buchblockbildner 22 continues to work together a book block conveyor 28, which in the embodiment of the Fig. 2 is designed as a slide. Then, when the stop 27 of the respective book block 22 is pivoted to the second position and releases the book block 18 formed in the book block 18, the respective book block 18 can be pushed over the book block conveyor 22 associated book block conveyor 28 from the respective book blocker 22 and the with the respective book blocker 22 cooperating offshoot 23 are supplied.

As already stated, in the embodiment of the Fig. 2 the book block conveyor 28 is designed as a slide which detects the book block 18 formed in the respective book block former 22 at a rear edge and then pushes out beyond the rear edge from the respective book block former 22 in the direction of the copier 23 cooperating with the respective book block former 22 when the stop 27 the book blocker 22 is pivoted to the second position and releases the book block 18 at the rear end opposite front end.

Each clip 23 is transferable between a first position in which it is fed from the cooperating book block former 22 to a book block 18 and a second position in which a book block 18 can be deposited on the third conveyor 24. According to Fig. 2 each branch 23 is pivotable about an axis 40, wherein each branch 23 comprises a pivotable pad 29 and a stop 30 pivotable together with the pad 29.

Then, when the respective offshoot 23 is transferred to the first position, the documents 26 and 29 of book blocker 22 and offshoot 23 are aligned and the stop 30 serves as a stop for pushing out the book block 18 from the book blocker 22 in the tray 23 inside. Then, when the respective branch 23 is pivoted to the second position, the stop 30 thereof can be pivoted relative to the pad 29 thereof, so that then stop 30 and pad 29 are in a common plane, so as to release the respective book block 18, so that the same can be transported by the third conveyor 24 in the direction of the delivery device 25.

The abutment 27 of the respective book block former 22 can only be transferred from the first position to the second position when the offshoot 23, which cooperates with the respective book block former 22, is transferred to the first position.

Each Buchblockbildner 22 is associated with a pressing device 31. With the help of the pressing devices 31, the book blocks 18 formed in the book block formers 22 can be at least partially compressed and thus compacted, namely before pushing the book blocks 18 out of the book block formers 22 and thus before inserting them into the file 23.

As stated above, with the aid of the device 17 according to the invention, it is possible to form not only glued or unsized but also glued or glued book blocks 18. For the formation of sized book blocks 18, the device 17 comprises at least one adhesive application device 41, by means of which adhesive or glue can be applied to the printing material or the signatures, which are to be combined in the area of the respective book block former 22 to form a book block 18.

Accordingly, each adhesive application device 41 is arranged upstream of the respective book block former 22, preferably downstream of the respective signature switch 20. By contrast, it is also possible to arrange the adhesive application devices upstream of the respective signature switch 20. In Fig. 2 upstream of the respective signature switch 20 stopper monitors 32 are shown.

The glue or adhesive is preferably applied to the signatures via the respective adhesive application device 41 on one side, from above or from below. In this case, adhesive is then applied to each signature of a book block, with the exception of the last or uppermost signature of the respective book block. In contrast, it is also possible to arrange the adhesive application devices such that they apply from below adhesive to the signatures of a book block to be formed. In this case, then down to the first or lowest signature of a book block 18 is applied to each signature of the same adhesive from below.

When forming glued or glued book blocks 18, the press devices 31 are advantageous for pressing the adhesives provided with the signatures before being pushed out of the respective book block former 22, at least in the area of the adhesive application.

The production of book blocks 18 with the in Fig. 2 shown apparatus 17 is thus such that with the aid of the first conveyor 19 individual signatures are conveyed in the horizontal direction, in the direction of the signature switches 20. Depending on the switching position of the signature switches 20, the signatures in the range of one of the obliquely extending second conveyors 21 and thus fed to one of the book block formers 22, wherein all the signatures belonging to a book block 18 are guided into the area of the same book block former 22 at the signature turnouts 20. Subsequent signatures of the next book block are then conveyed in the direction of the next signature switch 20 and thus towards the next book blocker 22. In the formation of glued or glued book blocks 18 adhesive or glue is applied to the signatures. The signatures are scaled in the region of the second conveyors 21. A shingled stream of scaled signatures enters the area of the respective book block former 22, the signatures forming the book block both at their front ends and at their rear ends on a stop to rest, namely in the region of the front end of the pivotable stop 27 and As soon as all the signatures of a book block have been collected in the book block former 22, the book block is preferably pressed over the respective pressing device 31. The cooperating with the respective Buchblockbildner 22 offshoot 23 is pivoted upward, so that its base 29 is aligned with the base 26 of the respective book block 22. Then the stop 27 of the respective book block former 22 can be pivoted releasing the respective book block 18, in which case the respective book block conveyor 28 expels the book block 18 from the respective book block former 22 and inserts it into the respective file 23, in which case the respective book block 28 abuts against the stop 30 of each offshoot 23 comes to rest. Subsequently, the offshoot 23 pivots downward to subsequently pivot the abutment 30 thereof and release the respective book block 18 for transport through the third conveyor 24. The above procedure takes place in the alternating cycle between the different book blockers 22 and offshoots 23 of the device 17.

In the embodiment of Fig. 2 the book block conveyor 28 are designed as a slide which push out a book block 28 on the rear edge and the rear end of the respective book block 22 and insert into the respective offshoot 23. Fig. 3 to 5 show variants of the device 17 according to the invention in the area of cooperating with the respective book block former 22 and the respective offshoot 23 book block conveyor.

Also in the embodiment of Fig. 3 the book block conveyor 28 is designed as a slide which detects the respective book block 18 to be conveyed out of the respective book block former 22 at a rear end in the transport direction, wherein in the exemplary embodiment of FIG Fig. 3 the book block conveyor 28 clamps the book block to be transported at the rear end. Trained as a slide book block conveyor 28 therefore includes a clamping device of clamping bar 33, which come to rest at the top and bottom of the book block 18 and clamp the same in the region of its rear end when pushing out of the book block 22 and fix.

Another difference of the book block conveyor 28 of Fig. 3 opposite to the Fig. 2 shown book block conveyors 28 is that in Fig. 3 the actual book block conveyor 28 is mounted on a belt conveyor 34 and not, as in Fig. 2 shown, is actuated via a linearly displaceable piston 38.

Fig. 4 shows a book block conveyor 28, as well as in Fig. 3 is received on a belt conveyor 34 and is moved over the belt conveyor 34, wherein the book block conveyor 28 of the Fig. 4 is designed as a stop on which the book block 18 formed in the respective book block 22 comes to rest with a front end. It can be provided to clamp the book block 18 to be conveyed in the region of its front end via a clamping device of the book block conveyor 28 and to fix.

Another variant of a book block conveyor 28 shows Fig. 5 , where in Fig. 5 the book block conveyor 28 can come into abutment both at the rear end and at the front end of the book block 28 to be ejected. The movement of the book block 18 formed in the book block former 22 preferably takes place in FIG Fig. 5 such that after release of the book block 18 in the book blocker 22 by pivoting the stopper 27 of the book block 18 due to gravity slides down and comes with its front end on the book block conveyor 28 to the plant. Serving as a stop for the front end of the book block 18 book block conveyor 28 is then displaced by means of a piston 35, in particular a pneumatic piston, down, then the book block 18 passes into the region of a belt conveyor 36, through which the book block 18 the offshoot 23rd can be supplied. Via a further piston 37, the book block conveyor 28 serving as a stop can be withdrawn in order to release the book block 18 so that it can ultimately come to rest against the stop 30 of the child 23.

Instead of the belt conveyors, other conveyor systems can also be used, for example chain conveyors, belt conveyors or gripper systems.

Both in the area of the book blocker 22 and in the region of the offshoot 23, the respective book block 18 lies with its front end on a stop 27 or 30, wherein these stops 27, 30 can be designed as a rake.

Claims (15)

1. A device for forming inner books, namely glued or non-glued inner books from signatures printed on an upstream printing press or advance pre-printed signatures unwound in an unwinding device located upstream, with:

   a first conveying device (19), which in the upstream printing press accepts printed signatures;

   at least one signature switch (20) assigned to the first conveying device (19);

   multiple second conveying devices (21), wherein each of the signatures conveyed by the first conveying device (19) can in each case be supplied to one of the multiple second devices (21) dependent on the position of the or each signature switch (20);

   and multiple inner book formers (22), wherein each second conveying device (21) is assigned an inner book former (22) each, wherein each inner book former (22) can be supplied with the signatures belonging to the same inner book depending on the position of the or each signature switch (20) via the second conveying device (21) interacting with the respective inner book former (22);

   characterized in that the device comprises multiple distributors (23), wherein each inner book former (22) is assigned a distributor (23) each, which, following the release by the respective inner book former (22) accepts inner books formed in the respective inner book former (22) from the same;

   and a third conveying device (24), on which the inner books can be placed with the help of the distributors (23) and which supplies the inner books to a delivery device (25).
2. The device according to Claim 1, characterized in that the first conveying device (19) runs horizontally and transports printed, singularized and if appropriate folded signatures in horizontal direction.
3. The device according to Claim 2, characterized in that the third conveying device (24) horizontally runs below the first conveying device (19) and transports the inner books in horizontal direction.
4. The device according to Claim 3, characterized in that the second conveying devices (21) each run obliquely from the top down between the first conveying device (19) and the inner book formers (22).
5. The device according to Claim 4, characterized in that the second conveying device (21) are designed in such a manner that on the same signatures can be shingled-up prior to being introduced into the respective inner book formers (22).
6. The device according to any one of the Claims 1 to 5, characterized in that the inner book formers (22) are format variable with respect to the inner book length and/or the inner book width and/or the inner book thickness, wherein in the same signatures with a defined format width and format height can be format-variably collected into an inner book with a defined format thickness.
7. The device according to any one of the Claims 1 to 6, characterized in that each inner book former (22) comprises a stop (27), which can be transferred between a first position, in which on the same the signatures belonging to a inner book can be collected, and a second position, in which the same releases an inner book formed in the inner book former, and in that each inner book former (22) is assigned an inner book conveyor (28) which in the second position of the stop (27) of the inner book former supplies the inner book formed in the same starting out from the inner book former (22) to the distributor (23) interacting with the same.
8. The device according to Claim 7, characterized in that each inner book conveyor (28) is designed as a pusher, which pushes the inner book formed in the respective inner book former (22) at a rear end of the same out of the respective inner book former in the direction of the distributor (23) interacting with the respective inner book former.
9. The device according to Claim 7, characterized in that each inner book conveyor (28) is designed as stop which the inner book formed in the respective inner book former (22) butts up against with a front end.
10. The device according to Claim 8 or 9, characterized in that the inner book conveyor (28) or a similar clamping device interacting with the same clamps the respective inner book to be pushed out at a rear end or front end of the same.
11. The device according to any one of the Claims 1 to 10, characterized in that each inner book former (22) comprises a press device (31), with the help of which each inner book formed in the respective inner book former (22) can be compressed and thus compacted at least in section.
12. The device according to any one of the Claims 1 to 11, characterized in that each distributor (23) can be transferred between a first position, in which the same, starting out from the inner book former (22) interacting with the same, can be supplied with an inner book, and a second position, in which from the same an inner book can be placed onto the third conveying device (24).
13. The device according to Claim 7 and 12, characterized in that the stop (27) of the respective inner book former (22) can be transferred from the first position into the second position exclusively when the distributor (23) interacting with the respective inner book former (22) is transferred into the first position.
14. The device according to any one of the Claims 1 to 13, characterized by at least one adhesive application device (41), with the help of which adhesive can be applied to the signatures to be collected into an inner book.
15. The device according to Claim 14, characterized in that the or each adhesive application device (41) is arranged upstream of the inner book former (22).

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