EP1384695B1 - Sheet processing machine with an auxiliary pile carrier - Google Patents

Abstract

The printing press has an auxiliary stack carrier, moveable between ready and working positions, with carrier bars connected via hinge joints (27,28). The carrier bars (26) have extensions (32,33) projecting over the hinges. One extension (33) facing against insertion direction (21), engages below the extension (32) facing in insertion direction, of a second carrier bar following-on in insertion direction. The carrier bars are pushed through a guide, which holds the first extension in contact with the second extension. The guide forms a support for the auxiliary stack carrier, moving in a convex rising guide track, and lifted by a common lifting device.

Description

The invention relates to a flat printing material processing machine, in particular a sheet-processing rotary printing press, with at least one processing station in the form of a printing unit, the one Processing station with the bow feeding investors, one the processed sheets into stacks of stacking outriggers and with one Auxiliary pile carrier, which in a direction of insertion from a standby position in a working position and vice versa is adjustable and in the insertion direction successive, about axis-parallel hinges directly to each other includes hinged support members.

Such a machine equipped is known from DE 42 15 791 A1. Here in are for temporarily supporting a subset of the substrates Storage elements provided in the form of chains, articulated via bolts comprising interconnected inner and outer links. The outer chain links have a U-shaped cross section, overhang the inner links around the half of the division of the chain and are at their End faces from the closed side of the U-shaped cross-section, starting in the direction of the other end face rounded. The chains are in their intended use respective ends thereof supported so that the open sides of the U-shaped Point cross sections downwards. The chains are at work Load from the top like rod-shaped beams. Each of the chains wraps around a transport wheel and the respective chain running from this is supported at its free end by means of a rod, which the chains until reaching this in a working position supporting Traverse in stretched position holds. The said rod is after the support of the Chain moved back by the traverse in an initial position of the rod. The known chains are when they are not in use for a stack change, extremely space-saving accommodated.

The invention is based on the object, the aforementioned machine with an auxiliary stack carrier comprising a plurality of support members on the one hand flexible and on the other hand in an extended position self-supporting from a standby position in a working position can be brought.

To solve this problem, the support members mentioned above are such designed to extend beyond their hinges extensions have and a respective opposite to the insertion direction facing Extension of the pointing in the direction of extension of the extension after next in the insertion direction trailing support member engages below.

Such a trained auxiliary stack carrier is depending on the geometry of the Support members in their working position a Hilfsstapeltragtisch or a Arrangement of individual rod-like support elements.

For non-stop operation on the boom is such an auxiliary stack carrier regardless of whether he in the working position one Hilfsstapeltragtisch or individual rod-like support elements forms. At a Use for non-stop operation at the feeder is preferred, however, the variant provided, the rod-like support elements and forms the geometry and the mutual distance of these support members are provided such that these are inserted into grooves, usually on stacking pads in the form are provided by grooved system pallets.

In any case, it is necessary to spend an inventive Hilfsstapelträgers in its working position no support device on the Way of the auxiliary pile carrier in a direction of insertion from the standby position is moved to the working position together with the auxiliary stack carrier and this while holding in an extended position.

Furthermore, the flexibility of the auxiliary pile carrier in its use for a Non-stop operation in the investor in particular of particular advantage as the space is sufficient under conventional feed tables in order to To accommodate auxiliary stack carrier in its standby position.

The features of the subject invention and of its embodiments are the accompanying drawings and the related following explanations can be removed.

Fig. 1

eine Bogen verarbeitende Rotationsdruckmaschine mit einem Anleger und einem Ausleger in einer schematischen Darstellung, welche beispielhaft insofern die Ausstattung des Anlegers mit einem Hilfsstapelträger angedeutet ist als eine für diesen vorgesehene Führungsbahn erkennbar ist,

Fig. 2

in gegenüber Fig. 1 vergrößerter und vereinfachter Darstellung einen Teil des Anlegers,

Fig. 3

ein Tragglied des Hilfsstapelträgers in einer Seitenansicht,

Fig. 4a

eine Ansicht eines Traggliedes in Richtung des Pfeils IV in Fig. 3 im Falle der Ausbildung einzelner Tragelemente mittels der Tragglieder,

Fig. 4b

eine Ansicht eines Traggliedes in Richtung des Pfeils IV in Fig. 3 im Falle der Ausbildung eines Hilfsstapeltragtisches mittels der Tragglieder,

Fig. 5

einen in die Einschubrichtung weisenden Endabschnitt des Hilfsstapelträgers in einer Strecklage und ein Auflager, auf welchem sich der Endabschnitt des Hilfsstapelträgers in dessen Arbeitslage abstützt,

Fig. 6

den Hilfsstapelträger in einer in eine Führung eingeschobenen Lage,

Fig. 7

eine der Fig. 6 entsprechende Darstellung im Falle einer Führung, die von jener gemäß Fig. 6 abweicht,

Fig. 8

einen Ausschnitt aus dem Hilfsstapelträger in einer Draufsicht im Falle von dessen Ausbildung in Form einzelner stabartiger Tragelemente.

In the drawings show:

Fig. 1

a sheet-processing rotary printing machine with a feeder and a boom in a schematic representation, which is exemplified insofar as the equipment of the investor with an auxiliary pile carrier is indicated as a provided for this guideway,

Fig. 2

in enlarged and simplified representation of FIG. 1 part of the investor,

Fig. 3

a support member of the auxiliary pile carrier in a side view,

Fig. 4a

a view of a support member in the direction of the arrow IV in Fig. 3 in the case of the formation of individual support members by means of the support members,

Fig. 4b

a view of a support member in the direction of the arrow IV in Fig. 3 in the case of forming an auxiliary pile support table by means of the support members,

Fig. 5

a pointing in the insertion direction end portion of the auxiliary pile support in an extended position and a support on which the end portion of the auxiliary pile support is supported in its working position,

Fig. 6

the auxiliary pile carrier in a position inserted in a guide,

Fig. 7

6 corresponding representation in the case of a guide which differs from that of FIG. 6,

Fig. 8

a section of the auxiliary stack carrier in a plan view in the case of its formation in the form of individual rod-like support elements.

The sheet shown schematically in Fig. 1 processing Rotary printing machine comprises a machine section 1 by way of example two processing stations in the form of printing units 1.1 and 1.2, so that so that two colors can be printed. For each additional color is one to provide another printing unit. For further process steps, such as For example, painting, intermediate drying, perforating, etc. is one each provide additional processing station. In the case exemplified work the printing units 1.1 and 1.2 by the wet offset method and Accordingly, each comprise an inking unit 1.3 and a dampening unit 1.4, a associated with plate cylinder 1.5, one at this operatively rolling blanket cylinder 1.6 and a respective one Sheet leading impression cylinder 1.7.

To feed the printing units 1.1 and 1.2 with bow is a feeder. 2 provided by means of a separating device 2.1 each one top sheet 2.2 from a stack 2.3 picks up and to a transport and Aligning 2.4 transfers, which one each in the processing direction anticipating the isolated to a scaly formation bow after whose transport has been carried out in particular by means of a suction belt table Direction to leading edge stops on these and at least one Aligning side stop.

One of the first processing station, here the printing unit 1.1, associated swinging pre-gripper 1.8 takes over the respectively aligned arc 2.2 and passes this to a feed drum 1.9, which in turn to him Pressure cylinder 1.7 of the printing unit 1.1 passes. After going through the Printing gap of this printing unit 1.1 passes the pressure cylinder 1.7 the Sheet 2.2 to a between the pressure cylinder 1.7 of the two printing units 1.1 and 1.2 connected transfer device in the form of a Bow Guide Drum 1.10. In the case of a perfecting trained machine is instead a between fine printing operation and Perfecting mode switchable turning device provided. The printing cylinder 1.7 of the printing unit 1.2 takes over the sheet 2.2 of the Bow guide drum 1.10, leads him through the further pressure nip and then transfers it to an operationally circulating endless conveyor 3.5 a boom 3, which from the respective sheet 2.2 ultimately a Druckgutstapel 3.2 forms.

In the continuous printing, the level of production at the stack 2.3 in the feeder 2, i. H. the altitude of each top sheet 2.2, and in the boom 3 the Drop height of the released sheet 2.2 by appropriate tracking respectively the stack 2.3 or the Druckgutstapel 3.2 supporting Platforms 2.5 and 3.3 maintained by respective hoists, of which only platforms 2.5 and 3.3 carrying lifting chains 2.6 and 3.4 are indicated.

As already indicated, an auxiliary stack carrier is closer in the following described type for non-stop operation of both the investor and the Cantilever can be used. However, an example will be given below by way of example Equipment of the investor.

In this respect, Fig. 2 shows a particular with an auxiliary stack carrier 20th equipped part of the investor of FIG. 1. The auxiliary stack carrier 20 is - as explained below - on the one hand flexible, more precisely articulated and on the other hand be brought into an extended position. Its flexibility is used to save space in a standby position - here below the transport and Alignment device 2.4 - to accommodate. From this readiness situation he is in an insertion direction according to directional arrow 21 adjustable in a working position, in which its pointing in the direction of insertion end on a lifting and lowered Traverse 2.7 (see Fig. 1) is supported. After completion of the mission, d. H. after the known union of the largely finished Stack 2.3 with a new main stack is the auxiliary stack carrier 20 back in his attitude back.

The auxiliary stack carrier 20 comprises in the insertion direction successive, About axially parallel hinges directly to each other hinged support members and is in particular from its pointing in the direction of insertion end so successively in an extended position be moved that - as later closer explains - the self-supporting length of the stretched-out section starting from the end pointing in the insertion direction always around the Extended extension of a support member in the adjustment extended.

In a wagerechten clamping of the auxiliary stack carrier 20 at its in Insertion direction pointing end of this takes in one else even left a state by the geometry of the support members conditional polygonal sloping shape, that is not in one Stretch layer spent auxiliary stack carrier 20 is then within two curved enveloping surfaces, at least the lower in a preferred Real configuration is formed by means of a guideway 22, thus the rises convexly.

In an arrangement of the auxiliary stack carrier 20, wherein in which the Insertion direction pointing end of the printing unit 1.1 (see FIG. 1) is turned away, the printing unit 1.1 is thus a lower end of this Guideway 22 facing and the latter and thus the in his Standby position supported on the latter auxiliary stack carrier 20 fit into advantageously in the conventional sheet processing Rotary printing machines already existing and starting from the stack 2.3 to the printing unit 1.1 towards degrading space under the feed table of Transport and alignment device 2.4 (see Fig. 1).

As indicated in Fig. 2, the same here only in a partial length illustrated auxiliary stack carrier 20 for its intended use his standby position in which he supported on the guideway 22 is, in the direction of insertion according to directional arrow 21 by a guide 23rd pushed. The guide 23 is - as explained in more detail later - such formed so that they pushed through the pushed through this section of the Auxiliary pile support 20 then holds in an extended position. The guide 23 upstream guide track 22 is associated with the guide 23 such that the also later explained in more detail support members of the auxiliary pile support 20 at Leaving the guideway 22 enter the guide 23. The Guideway 22 thus supports the auxiliary stack carrier 20 in the Standby situation. Preferably, the guide 23 and a form Guideway 22 forming component a structural unit, the known to be required for non-stop operation Height adjustability can be raised and lowered by means of an auxiliary pile lifting unit, of which only one lifting chain 24 and exemplarily the guide 23rd leading guide profiles 25 are indicated.

In Fig. 3 is an embodiment of a support member 26 of the Hilfsstapelträgers 20 in one of the representations in Fig. 1 and 2 respectively Side view and in relation to the insertion direction according to the indicated directional arrow 21 from the ready position to the working position present orientation. It consists of a basic body with a first joint bore 27 at one in the insertion direction according to Directional arrow 21 facing first end of the body and with a second hinge bore 28 at a second end facing away from the first end End of the body. In a directly hinged state a plurality of such successive support members 26 form the mentioned joint holes 27 and 28 together with inserted into this Hinge pin 29 a first pivot 30 and a second pivot 31 with mutually parallel hinge axes (see Fig. 5).

The support member 26 has one over the first pivot 30 and the first Joint bore 27 beyond, so when used as intended in the insertion direction according to directional arrow 21 facing, a first end of the Support member 26 forming the first extension 32 and one on the second Rotary joint 31 and the second joint bore 28 beyond, ie in a pointing towards the direction of insertion opposite direction, a second end the support member 26 forming the second extension 33. The main body and the two extensions 32 and 33 claim in a section of their highest height in the intended location a space between two horizontal, spaced by the height of height levels, wherein a bottom of the second extension 33 and an adjoining Section of the main body lies in the lower of the two levels and in the upper level a top of the first extension 32 and a Top of an adjoining part of the body. A Bottom of the first extension 32 and an upper side of the second Extension 33 and an adjoining section of the Basic body lie in a horizontal intermediate level, which between the both mentioned levels runs.

For directly consecutive mutual articulation of a plurality such support members 26, the second joint bore 28 of a support member 26th with the first joint bore 27 of a respect to the insertion direction according to Directional arrow 21 trailing support member 26 and the first joint bore 27 with the second joint bore 28 of a leading support member 26 for Covered.

As can be seen from Fig. 4a, this is in the case of such a configuration the auxiliary pile carrier 20 that this rod-like in the working position Supporting elements forms, the respective second extension 33 and a thereto subsequent section of the body from both sides narrowed and the first extension 32 and an adjoining Section of the body from the bottom centered with such Recess 34 provided that an anticipatory in the insertion direction 21 Support member 26 to the alignment of the second joint bore 28 with the first joint bore 27 inserted in a trailing support member 26 can be. Moreover, the tops of the second extension 33 and the recess 34 provided with a contour that it the support members 26th allows to take mutual pivotal positions (see Fig. 6).

As can be seen from Fig. 5, the main body and the two Extensions 32 and 33 are further configured such that a respective one of them second extension 33 of the hinged support members 26 each a first extension 32 of the next but one with respect to the insertion direction engages under the directional arrow 21 trailing support member 26.

As can be seen from Fig. 3 further, the recess 34 forms at the of second hinge bore 28 facing one end of the top Support member 26 penetrating aperture 35 and the second Extension 33 has at its free end following a to Enabling the above-mentioned mutual pivotal actions of the Support members 26 provided recess 36 a stop 37 with a On top, which is located in the already mentioned intermediate level first stop surface 38 is formed. The distances on the one hand of the stop 37 from the second joint bore 28 and on the other hand, the opening 35th from the first joint bore 27 and the geometry of stop 37 and Opening 35 are chosen so that the stop 37 of a Support member 26 in the hinged state of the support members 26 the Opening 35 of the trailing in the direction of insertion support member 26th can penetrate.

As can be seen in FIG. 5, the length of the first extension 32 is chosen to be that, as already mentioned also in the mentioned interface located bottom in the extended position of the auxiliary pile carrier 20 on the first Stop surface 38 of an anticipatory in the insertion direction 21 after next Support member 26 abuts and thus forms a second stop surface 39.

Incidentally, the geometry of the support members depends on whether they are in the Working position an auxiliary pile support table or single statal Support elements 20 'are to form (see Fig. 8).

With a geometry corresponding to FIG Support members 20 'generate while with support members 26' with one of Fig. 4b corresponding geometry can create an auxiliary stack support table, FIGS. 4a and 4b each show a view of the underside of a Play the support member.

In Fig. 6 is an embodiment of the already mentioned and now closer explained guide in the form of a guide 23 'and their interaction with here for example for generating an auxiliary pile support table formed support members 26 'shown in FIG. 4b. The Guide 23 'is facing the insertion direction according to directional arrow 21st downstream with respect to the guideway 22 not parked here arranged (see Fig. 2) and in the present case comprises an upper Plunger assembly 23.1 and a lower plunger assembly 23.2., which are arranged on the aforementioned auxiliary pile lifting and form a horizontal gap 40 between them.

In the exemplary underlying case of the formation of the support members 26 ' According to Fig. 4b - for generating an auxiliary stack support table - can Plunger assemblies 23.1 and 23.2, for example, with respect to the Insertion direction according to the directional arrow 21 lateral areas of Restrict support members 26 ', or there may be several upper and lower Plunger assemblies 23.1 and 23.2 across the width B (see Fig. 4b) of Support members 26 'are arranged distributed.

The geometry of the gap 40 is chosen so that during the Passing the support members 26 'through the gap 40 always the first Stop surface 38 of an anticipatory in the insertion direction support member 26 ' on the part of the upper and lower pressure piece arrangement 23.1 and 23.2 forcibly in abutment with the second abutment surface 39 of the next but one in Insertion direction lagging support member 26 'is held.

The gap 40 is one in the present example at the bottom Plunger assembly 32.2 formed horizontal alignment surface ahead, the in another embodiment, also on the in Fig. 2 indicated guideway 22nd can be provided. The alignment surface 41 serves for the pre-alignment of the Support members 26 'in their extended position in which they then enter into the gap 40.

By forced into the gap 40 mutual investment of the first Stop surface 38 of the support members 26 'on the second stop surface 39th one with respect to this support member 26 'after-lagging lagging Support member 26 'is a mutual pivoting movement of those Support members 26 'prevented when passing through the gap Leave it again. The auxiliary stack carrier 20 leaves the gap 40 thus in an extended position of the support members 26 ', so that the self-supporting Section of the auxiliary pile carrier 20 during the pushing of the Support members 26 'successively extended by a support member 26'.

In Fig. 7 is an already indicated in Fig. 2 and, alternatively to the guide 23 ' trained leadership 23 and their interaction with the example here to form rod-like support members 20 'provided support members 26th played.

This guide 23 comprises forming instead of the rigid guide surfaces Plunger assemblies 23.1 and 23.2 in the present embodiment four mounted on the aforementioned auxiliary pile lifting, to the top of the rod-shaped support member 20 'employed employees pinch rollers 23.3 and two also supported on Hilfsstapelhubwerk support rollers 23.4, the Supporting element 20 'on the underside thereof. The regarding the Insertion direction according to directional arrow 21 arranged upstream of the two support rollers 23.4 is so far from the other support roller 23.4 spaced that the support members 26 are aligned in their extended position, before being moved in the insertion direction according to Directional arrow 21 come into contact with the pinch rollers 23.3. Incidentally, is the arrangement of the pinch rollers 23.3 and the support rollers 23.4 chosen so that during the pushing of the support members 26 through the guide 23 at Passing the pinch rollers 23.3 again always the first stop surface 38th an anticipatory in the insertion direction of the support member from the Pinch rollers 23.3 and the support rollers 23.4 forcibly in abutment with the second abutment surface 39 of the next but one trailing in the insertion direction Support member 26 is held. With regard to manufacturing tolerances are the Pinch rollers 23.3 or the support rollers 23.4 preferably arranged and stored that they on the part of the support members 26 or 26 'against a Restoring force are deflectable.

The already mentioned in connection with FIG. 2 Hilfssstapelhubwerk comprises, as indicated in Fig. 1, further a raised and lowered, in Fig. 1st Cross-section recognizable in Traverse 2.7, on which in the Insertion direction according to directional arrow 21 facing end of the Auxiliary pile support 20 is supported in the working position of the same.

As in Fig. 5 for the case of the formation of the auxiliary pile carrier 20 by means individual rod-like support elements 20 'recognizable, there is a corresponding Support preferably via a respective terminal support member in the form of a End member 26.1 of a support element 20 '. This end member 26.1 is only in a trailing member 26 facing portion analogous to the Support members 26 is formed and has at its other, the free end prefers a bevel provided on its underside, which during the Spend the auxiliary pile support 20 in its working position a safe Placement on the Traverse 2.7 allows. In the area of the other end of the Auxiliary pile carrier 20 remains after its introduction into its Arbeitslage a sufficient number of support members 26 or 26 'so in Influence region of the guide 23 or 23 'that in the insertion direction according to directional arrow 21 from the guide 23 or 23 'leaked part of the Auxiliary pile carrier 20 is held in an extended position. In that regard, the leadership forms 23 or 23 'a support for the auxiliary stack carrier 20th

In particular, in the case of the formation of the auxiliary pile carrier 20 by means single rod-like support elements 20 'is in an advantageous embodiment the auxiliary stack carrier 20 at its respect to the insertion direction according to Directional arrow 21 trailing end on here unspecified manner with an endless traction mechanism connected by means of which the adjustments the auxiliary pile carrier 20 between its standby position and the Work situation to be made.

Another advantageous adjustment between the ready position and the work situation results in the field of leadership 23 or 23 'or immediately before and / or after this at a top and at a bottom the Hilfsstapelträgers 20 employed, fixedly mounted rollers, of which at least one is powered. In the case of training the leadership 23 as shown in FIG. 7, for example, with respect to the insertion direction downstream support roller 23.4 are driven. Such a Roller drive can also, as well as the aforementioned traction drive regardless of whether the auxiliary stack carrier 20 a Hilfsstapeltragtisch or single rod-shaped support members 20 'represents.

In the case of a circular arc-shaped formation of the guideway 22 may as alternative adjusting device also at the trailing end of the Hilfsstapelträgers 20 hinged, motorized pivot lever assembly be provided.

The surfaces of the support members 26 and 26 'are on those sides the same, which come into contact with the substrates, preferably so designed so that they can slide along the substrates without them to damage.

LIST OF REFERENCE NUMBERS

1

machine section

1.1

printing unit

1.2

printing unit

1.3

inking

1.4

dampening

1.5

plate cylinder

1.6

Blanket cylinder

1.7

pressure cylinder

1.8

swinging pre-gripper

1.9

feed drum

1.10

Sheet guide drum

2

investor

2.1

separating device

2.2

bow

2.3

stack

2.4

Transport and alignment device

2.5

platform

2.6

lifting chain

2.7

traverse

3

boom

3.2

Druckgutstapel

3.3

platform

3.4

lifting chain

3.5

endless conveyor

20

Auxiliary pile carrier

20 '

supporting member

21

arrow

22

guideway

23, 23 '

guide

23.1

upper pressure piece arrangement

23.2

lower pressure piece arrangement

23.3

pinch roller

23.4

supporting role

24

lifting chain

25

guide profiles

26, 26 '

supporting member

26.1

end link

27

first joint hole

28

second joint hole

29

hinge pins

30

first rotary joint

31

second pivot

32

first extension

33

second extension

34

recess

35

perforation

36

deepening

37

attack

38

first stop surface

39

second stop surface

40

gap

41

alignment

B

Width of the support member 26 '

Claims (8)

1. Machine processing flat printing material; in particular a sheet-processing rotary printing press with
   at least one processing station in the form of a printing unit,
   a feeder feeding sheets to the processing station,
   a delivery combining the processed sheets in piles, and
   an auxiliary pile carrier, which is adjustable in an insertion direction from a standby position into an operating position and vice versa and comprises supporting members succeeding each other in the insertion direction and directly articulated at each other via axially parallel swivel joints,
   characterized in that the supporting members (26; 26') have extensions (32, 33) protruding from the swivel joints (30, 31) thereof and that a respective extension (33) directed against the insertion direction (21) engages underneath the extension (32) directed in the insertion direction (21) of the supporting member (26; 26') following after the next one trailing in the insertion direction.
2. Machine according to claim 1,
   characterized by
   a guide (23; 23') through which the supporting members (26; 26'9 are pushed for the intended purpose thereof and which keep an extension (33) located in the guide (23; 23') and pointing against the insertion direction (21) in engagement with the extension (32) pointing in the insertion direction (21) of the supporting member (26; 26') following after the next one trailing in the insertion direction (21).
3. Machine according to claim 2,
   characterized in that the guide (23; 23') forms an abutment for the auxiliary pile carrier (20).
4. Machine according to claim 2,
   characterized by
   a guide track (22) which supports the auxiliary pile carrier (20) in the standby position thereof.
5. Machine according to claim 4,
   characterized in that the guide track (22) rises in a convex shape and that a lower end of the guide track (22) faces towards the at least one processing station (printing unit 1.1).
6. Method according to claim 4,
   characterized by
   a lifting unit (24, 25) for jointly lifting and lowering the guide (23; 23') and the guide track (22).
7. Method according to at least one of claims 1 to 6,
   characterized in that, when located in the operating position, the supporting members (26') form an auxiliary pile carrier table.
8. Method according to at least one of claims 1 to 6,
   characterized in that, when located in the operating position, the supporting members (26) form individual rod-shaped supporting elements (20').

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