EP2388149B1 - Device for trimming and supplying spine inserts for a machine manufacturing book covers - Google Patents

Description

The present invention relates to a device according to the preamble of claim 1.

In a book cover machine with a horizontal processing principle [ Liebau, Heinze; "Industrial Bookbinding"; Verlag Beruf und Schule, 1997; S .: 399ff ] cover cardboard and a back insert made of cardboard or paperboard are matched with the adhesive provided with reference benefits in a Anrolleinrichtung. A generic book cover machine is in the DE 100 57 599 A1 shown and described. The cover boards are pushed out of a cardboard magazine and fed together with the back insert on guide rails laterally of the Anrolleinrichtung. As a back insert can be used in the machine in length and width cut flexible Rollenschrenz or a pre-cut cardboard strip use, which is introduced immediately before rolling in the feed plane of the cover boards. The reference benefit is brought into the take-up plane via a utility cylinder synchronously with the cardboard feed. The protruding edges of the book cover are then followed in successive workstations either in a flowing pass or each at a standstill, usually only the protruding at the head and foot edges, and after the corner feeding on the sides. Finally, the book covers between press rollers of a pressing device are guided for rubbing the cardboard parts on the Bezugsnutzen. In a display, the finished book covers come as a stack on a roller table for manual acceptance.

In the known, generic book cover machines of the flexible Rollenschrenz is handled in addition to the paperboard feed from a supply roll and cut to size by roller knives. Over several deflections with dancer roll of the Schrenz arrives at a arranged between the cardboard magazine and the Anrolleinrichtung Schrenzfördereinrichtung, with a trigger roller system for clocking advancing the web to a length equal to the back height. By means of a cutting device, a section is cut to length and introduced as a back insert by further means in the paperboard feed plane.

When changing the size of the width section of the Schrenzbahn is manually set to a different spine width, where necessary to reduce the waste is still changed to another Schrenzrolle. The already cut to width role diagonal can no longer be used and must be disposed of by stretching the material web meters long, until the new width is applied to the Schrenzfördereinrichtung. Although laying the width cutout in the vicinity of the drafting conveyor would reduce the amount of waste in case of format change, it would impair accessibility and require a more elaborate solution for the removal of the waste from the width cut. Another disadvantage is that not inconsiderable amounts of Schrenzmaterial alone be cut away at the width section, so that an automation of the Schrenzbreite, are driven at the different widths over a wider range from a Schrenzrolle, is not economical.

The invention has for its object to provide a generic device that allows low-waste automation format change in particular the back insert width.

This object is achieved for the generic device by the characterizing features of claim 1. Preferred further developments emerge from the dependent claims 2 to 11.

The back width can be changed between two successively cut back insets with a back-feed material advancing transversely to the paperboard feed direction in the spine width direction, without additional waste being produced. The back insert material is no longer fed as before along the back of the book cover but across. With the separation of a section creates the desired spine width. The previously required width cut on the material web is eliminated. The feed of the back insert material, for example, by a pair of withdrawal rollers, can be adjusted electronically without set-up or adjustment of power stroke to power stroke, so that book covers can be made with different widths back without interruption.

If the guide channel for the back insert is extended through the cardboard magazine to behind the cardboard magazine, the Schrenzfördereinrichtung can be arranged at the freely projecting, upstream end of the guide channel, with the advantage of good accessibility on all sides and the easy removal of any accumulating waste near the guide channel. The separated back insert is on such Position of the above guide channel can be introduced, that with one or more additional conveying strokes of the cardboard feed the back insert is transferred to a position between the cover boards of the cardboard magazine from which then with the next delivery stroke the back insert is transported along with the separated from the magazine cover boards.

Preferably, the back insert is inserted from the Schrenzfördereinrichtung directly into the guide channel and transferred with the separation entirely in the guide channel, so that can be dispensed with additional conveying and guiding means for transferring the separated back insert into the guide channel.

With a further cutting device, which is arranged downstream of the cutting device for separating the sections, the spine inserts cut to spine width can be cut to size by an at least one-sided trimming at back height. The height of the back can be effected by a relative change in the position of the cutting device directed toward the paperboard feed direction to the cut back insert.

In a preferred embodiment, the Schrenzfördereinrichtung is associated with a application device for provided as a bow back insert material. The sheets can be in the form of flexible cardboard (equal to the roll warp) or as solid cardboard. Also, special materials, such as Sheets, plastics or special material compositions are possible. From a sheet numerous back inserts can be cut off, so that only after a variety of work cycles a new sheet must be created. In a format change, the sheets can be changed very easily, whereby a removed broken sheet can be used up in a follow-up order. Cutting the backsheets separated from the arch at back height is not required in the book cover machine if the applied sheets already have a width corresponding to the desired back height. The reserved amount of back inserts can be significantly increased by a stacking magazine. By separating the respective lowest sheet more sheets can be added without stopping the machine.

In a further preferred embodiment of the Schrenzfördereinrichtung is associated with a unwinding for a unwinding from a supply roll web of the spine liner material, for processing of flexible Rollenschrenz. In addition to the sheet processing, the invention is also suitable for web processing, wherein the material web is fed transversely to the back and a single role to a very large stock Backing material may contain, so that can be dispensed with a roll changing device.

Preferably, a cutting device for cutting the spine lining material is arranged to a width equal to the back height upstream of the Schrenzfördereinrichtung so that different back heights can be driven from the deviated web or the applied sheet.

Due to the arrangement of at least two Schrenzfördereinrichtungen several backsheet materials for optional or redundant processing in the book cover machine can be kept, so that in order or role change the set-up or change times omitted.

With a discharge device in the region of the guide channel, back inserts which are not needed or present in the wrong width according to the cycle can be removed without having to stop the book cover machine. For example. can thus be removed automatically during sheet processing residual pieces of the back insert material.

Fig. 1

eine schematische Seitenansicht einer Buchdeckenmaschine;

Fig. 2

eine Draufsicht auf die Buchdeckenmaschine;

Fig. 3

eine Queransicht auf eine Schrenzfördereinrichtung mit zugeordnetem Bogenmagazin;

Fig. 4

eine Queransicht auf eine Schrenzfördereinrichtung zur Verarbeitung von Rollenschrenz;

Fig. 5

die Schrenzfördereinrichtung mit zugeordneter Ausschleusung;

Fig. 6

zwei, Rückeneinlagematerial wahlweise zuführende Schrenzfördereinrichtungen.

The features of the present invention will be explained in the following description of an inventively equipped book cover machine with reference to the accompanying drawings. Show it

Fig. 1

a schematic side view of a book cover machine;

Fig. 2

a plan view of the book cover machine;

Fig. 3

a transverse view of a Schrenzfördereinrichtung with associated sheet magazine;

Fig. 4

a transverse view of a Schrenzfördereinrichtung for processing Rollenschrenz;

Fig. 5

the Schrenzfördereinrichtung with associated discharge;

Fig. 6

two, back insert material optionally feeding Schrenzfördereinrichtungen.

Fig. 1 shows a section of a book cover machine 1, are produced in the book cover 10 by joining lid boards 2 and back inserts 3 on reference benefits 4. A respective Bezugsnutzen 4 is supplied by a not shown here, known Nutzenzuführung 11 a Nutzenzylinder 12, which takes over the reference 4 with grippers 12 a, past an applicator roll 14 of a gluing unit 13 and at the joining point to the two synchronously supplied cover boards 2 and the a back insert 3 rolls up. Pressure rollers 15 press the cardboard 2, 3 at the joining point the reference benefit 4, while a reciprocating suction bar 16 takes over the book cover 10 of the Anrolleinrichtung formed from the benefit cylinder 12 and pressure rollers 15 to supply them to a turning and pressing station, not shown here.

The cover panels 2 are located in a cardboard magazine 24. The respective bottom cover panels 2.1 are pushed out by a first board slider 21.1 of a board feeder 20 and guided to an intermediate position 27, from which they are fed to the joining point with a second board slider 21.2 aligned with outer board guides 25 , The board slides 21.1, 21.2 are coupled together at a fixed distance and are moved with a constant delivery stroke 23 equal to this distance clockwise back and forth. In the embodiment, the leading edge of the boards 2, 3 is fixed as a fixed reference edge. Format adjustments V _RH according to the back height of the book covers 10 are therefore effective at the trailing edge, so that in this regard, the stroke position of the delivery 23 is adjusted.

The back panels 3 are advanced in an adjustable on spine insert width B _s guide channel 26 with the cardboard sliders 21.1, 21.2 coupled Schrenzschiebern 1.22 to 4.22, wherein the spine inserts are introduced 3 behind the board magazine 24 in the extended by the board magazine 24 through guide channel 26th

According to the invention of a pair of delivery rollers 31 of a Schrenzfördereinrichtung 30 back liner material 5, 6 transversely inserted to the board feed direction 23 into the guide channel 26 and by means of one of upper and lower blades 33, 34 existing cutter 32 in spine insert width B _s separated from the spine insert material 5, 6, and thereby completely transferred into the guide channel 26. With the first slide slide 22.1, the separated back insert 3 is transferred to an intermediate position 28, from which it is transported with the second slide slide 22.2 to a position within the cardboard magazine 24, from where it then together with the cover boards 2 with the third and fourth slide valve 22.3 and 22.4 is transported to the Anrolleinrichtung on.

Fig. 3 shows a first embodiment of the Schrenzzuführung. The Schrenzfördereinrichtung 30 is associated with a sheet magazine 35 for back insert sheet 5, from which the respective lowest back insert sheet 5.1 separated by means of a nipple 36 and the take-off roller pair 31 for clockwise preference in back insert width B _{s is} supplied.

The back insert sheets 5 can already be cut in advance by paperboard scissors or plan cutters to a width corresponding to the required back insert length L _s . A trimming the separated from the back insert sheet 5 back inserts 3 on the required back insert length L _s is then no longer required in the book cover machine 1. In the Fig. 1 and 2 the case is shown that the back insert 3 separated from the back insert material 5, 6 is slightly longer than the required back insert length L _s . This is created by a one-sided trimming by means arranged in the intermediate position 28 on the guide channel 26 cutting device 39. The thereby separated piece of waste 3 a can simply be dropped down into a provided waste bin 40.

The back insert sheet 5 may be flexible cardboard (equal to the roll warp) or solid cardboard. Other materials, such as sheets, plastics or special material compositions can with the Schrenzzuführung to Fig. 3 be supplied.

Fig. 4 shows a second embodiment of the Schrenzzuführung. The Schrenzfördereinrichtung 30 is here a Abrolleinrichtung 37 assigned to be handled by a supply roll 7 back insert web 6, for processing of flexible Rollenschrenz. There is still a Seitenbeschnitteinrichtung 38 is provided, with which the back insert web 6 is cut to a width corresponding to the required back insert length L _s . The Seitenbeschnitteinrichtung 38 could also in the sheet processing according to Fig. 3 be used. From the unwound back insert web 6 or the applied back insert sheet 5 so different back insert lengths L _{s can be} driven.

Because according to the invention the back insert web 6 is fed transversely to the back and the back inserts 3 are separated in a narrow back insert width B _s , a single roll contains a very large stock of back insert material, so that a roll change device can be dispensed with.

Fig. 5 shows a discharge device for unnecessary or in wrong width present back deposits, for example. Resulting in the sheet processing residual pieces 8 of the supplied back insert sheet 5. For automatic ejection simply a guide channel 26 limiting guide rail 29 is opened and closed.

Fig. 6 shows the arrangement of two, back insert material 5, 6 optionally feeding Schrenzfördereinrichtungen 30.1, 30.2. It can through the two Schrenzfördereinrichtungen 30.1, 30.2 back insert sheet 5 or back inserts 6 are supplied of the same nature and dimension in the sense of a redundant arrangement, so that in case of failure of a Schrenzfördereinrichtung 30.1 or when using the back insert material 5, 6, the other Schrenzfördereinrichtung 30.2 takes over the further supply. The other Schrenzfördereinrichtung 30.2 can also be vorbreitet with another, for a follow-up order backsheet material 5, 6, so account for change of order, the set-up or Wechseizeiten on the Schrenzzuführung.

Claims (11)

1. A device for trimming and supplying spine inserts (3) for a casemaker (1), with a center strip conveyor (30) for synchronously pulling forward a spine insert material (5, 6), preferably of cardboard or paperboard, with a cutter (32) for separating a spine insert (3) in the form of a section of the spine insert material, and with means for introducing the spine insert (3) into a guide channel (26) of a board feeder (20) that pushes the spine insert (3) and other cover boards (2) in order to synchronously feed the boards (2, 3) to a blank to be covered (4) that is supplied by means of a cloth cylinder (12) and glued on a glue application roller (14) in a roll-down device (12, 15), characterized by a center strip conveyor (30) that cyclically advances the spine insert material (5, 6) by the spine width (B_s) transverse to the board feed direction (23).
2. The device according to Claim 1, characterized in that the center strip conveyor (30) is arranged downstream of a board magazine (24) for the cover boards (2), with a guide channel (26) that is extended through the board magazine (24) and serves for receiving the separated spine insert (3).
3. The device according to Claim 1 or 2, characterized in that the spine insert (3) is pushed into the guide channel (26) by the center strip conveyor (30), wherein the spine insert (3) is transferred into the guide channel (26) in its entirety when the separation takes place.
4. The device according to one of Claims 1 to 3, characterized by another cutter (39) for cutting the spine insert (3) that is trimmed to the spine width (B_s) to the spine height (L_s) on at least one side.
5. The device according to one of Claims 1 to 4, characterized by a feeder (35, 36) for sheets (5) of the spine insert material, wherein said feeder is assigned to the center strip conveyor (30).
6. The device according to Claim 5, characterized in that the sheets (5) have a width that corresponds to the spine height (L_s).
7. The device according to Claim 5 or 6, characterized by a magazine (35) for stacks of sheets (5) with a separating device (36) for transferring the respective bottom sheet (5.1) to the center strip conveyor (30).
8. The device according to one of Claims 1 to 7, characterized by an unrolling device (37) for a web (6) of the spine insert material to be unwound from a supply reel (7), wherein said unrolling device is assigned to the center strip conveyor (30).
9. The device according to one of Claims 1 to 8, characterized by a cutter (38) that is arranged upstream of the center strip conveyor (30) and serves for cutting the spine insert material (5, 6) to a width equal to the spine height (L_s).
10. The device according to one of Claims 1 to 9, characterized by the arrangement of at least two center strip conveyors (30.1, 30.2) for selectively pulling forward a respective spine insert material (5, 6).
11. The device according to one of Claims 1 to 10, characterized by a discharging device (29) for trimmed spine inserts (3) and/or oddments (8) of the spine insert material (5).

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