EP0686463B1 - Apparatus for cutting printed products, like newspapers, magazines, brochures, on at least two sides - Google Patents

Abstract

The device has at least two working drums with radial take up sections. The take up sections are separated by sections of the drum wall and have controllable clamp mechanisms mounted in them. The first drum has a horizontal axis of rotation and has open sections on at least one end. Each of these open sections has a blade which works together with a fixed blade. The second drum has a similar arrangement to process a second edge of the flat material. A conveyor belt is arranged between the two drums to transport the cut material to the other drum. <IMAGE>

Description

The present invention relates to a device for Pruning flat products, especially multi-leaf ones Printed matter such as Newspapers, Magazines and brochures, on at least two margins according to the preamble of claim 1.

In a known device of this type (EP-A-0 367 715 and corresponding US-A-5,113,731) are based on three Pages of trimmed multi-sheet, folded printed matter fed to the first processing drum, whose axis of rotation runs in the horizontal direction and in which the printed products on two parallel to each other Side edges that are perpendicular to the fold edge, be circumcised. The double-sided cropped print products then fall into the compartments by gravity the second processing drum with its axis of rotation in vertical direction below the first processing drum is arranged. In this second processing drum the printed products are trimmed on a third side edge that is parallel to the fold edge runs. The compartments of the second processing drum are open on both ends of the drum. At the the face of the first processing drum facing the second drum will be the printed matter in the Compartments of this second processing drum introduced while on the other end of this second processing drum trimming using one on this Fixed knife element arranged on the end face.

In this known device, the two processing drums to each other in a very specific way be arranged so that the transfer of the printed matter from the compartments of a processing drum into the Compartments of the second processing drum in free fall can be done correctly. But arise even with coordinated mutual arrangement of the two processing drums Difficulties at high processing speeds when transferring the printed matter from the first into the second processing drum.

The same applies to those in the not pre-published Device described in EP-A-0 602 593. The latter differs different from the aforementioned facility according to EP-A-0 367 715 only in that the second processing drum with the vertical axis of rotation of the first processing drum is connected upstream with a horizontal axis of rotation. This means that in the device according to EP-A-0 602 593 first the one parallel to the folded edge of the printed products Side margin is trimmed and the printed matter then in free fall the first one below Transfer processing drum with horizontal axis in which the printed matter on the two for Folded edge right-angled side edges are trimmed.

The present invention is based on the object to create a facility of the type mentioned, the Freedom in the mutual arrangement of the two processing drums are there and the trouble-free insertion of the printed products in the two processing drums allowed.

This object is achieved by the features of Claim 1 solved.

By arranging the second processing drum with horizontal axis of rotation can introduce the printed products into the shares of this second processing drum done reliably. Interposing a Transport arrangement between the two processing drums, the one in one processing drum cropped printed matter in the proportions of transferred to another processing drum, enables one Freer mutual arrangement of the two processing drums.

Preferred further developments of the inventive Device form the subject of the dependent claims.

Figur 1

in perspektivischer Darstellung eine erste Ausführungsform einer erfindungsgemässen Einrichtung,

Figur 2

in Seitenansicht eine zweite Ausführungsform einer erfindungsgemässen Einrichtung,

Figur 3

die Einrichtung gemäss Figur 2 in Draufsicht,

Figur 4

einen Schnitt entlang der Linie IV - IV in Fig. 2,

Figur 5

einen Ausschnitt der einen Bearbeitungstrommel mit einer ersten Ausführungsform eines ortsfesten Messerelementes,

Figur 6

einen Ausschnitt der einen Bearbeitungstrommel mit einer zweiten Ausführungsform eines ortsfesten Messerelementes,

Figur 7

eine Ansicht der Bearbeitungstrommel gemäss Fig. 6 in Richtung des Pfeiles A in Fig. 6, und,

Figur 8

in einem Axialschnitt einen Bereich der einen Bearbeitungstrommel mit dem ortsfesten Messerteil.

Exemplary embodiments of the subject matter of the invention are explained in more detail below with reference to the drawings. It shows purely schematically:

Figure 1

a perspective view of a first embodiment of a device according to the invention,

Figure 2

a side view of a second embodiment of a device according to the invention,

Figure 3

the device according to Figure 2 in plan view,

Figure 4

2 shows a section along the line IV-IV in FIG. 2,

Figure 5

a detail of a processing drum with a first embodiment of a stationary knife element,

Figure 6

a section of a processing drum with a second embodiment of a stationary knife element,

Figure 7

6 in the direction of arrow A in FIG. 6, and,

Figure 8

in an axial section an area of a processing drum with the stationary knife part.

The first embodiment of a device shown in FIG. 1 for trimming multi-leaf, folded Printed products P on three sides have one first processing drum 1 and one downstream of this second processing drum 2. Both drums 1, 2 are arranged so that their coinciding with the longitudinal axis Axes of rotation 1a and 2a in the horizontal direction run. In the first processing drum 1 the so-called head and foot cut, i.e. the pruning along the perpendicular to the fold edge of the Printed trending margins. In the second processing drum 2 is the so-called Front cut instead, i.e. pruning on one Side margin that is parallel to the folded edge of the printed matter runs.

The first processing drum 1 corresponds in structure and the operation of the processing drum for the head and Foot cut described in EP-A-0 602 already mentioned 593 is described in detail. For a more precise Description of this processing drum 1 is therefore based on referenced EP-A-0 602 593.

The processing drum 1 has a number of radially extending Receiving compartments 3, which by compartment walls 4th are separated from each other. There is not one in each compartment 3 shown clamping arrangement available that the printed matter P to a compartment wall 4 during the cutting process presses so that the printed matter P is held are. The receiving compartments 3 are on the circumference 5 and on the open both ends 6 and 7 of the processing drum 1. The processing drum 1 is only partially shown Drive 8 driven in the direction of arrow B, which has two pinions 9, 10, each with a ring gear that meshes with the circumference of the processing drum 1 is arranged.

At each end 6, 7 of the processing drum 1 two stationary knife elements 11, 12 or 13, 14 arranged, that interact with knife elements that are in the Compartments are arranged and rotate with them. From the two stationary knife elements 11, 12 and 13, 14 there is one knife element in the active position, while the other knife element is in the inoperative position is. For a more detailed description of this stationary knife elements 11, 12 or 13, 14 and with these interacting rotating knife elements in the Section 3 is referred to EP-A-0 602 593 already mentioned, which also shows in more detail how pruning the side edges of the printed products P on the end faces 6, 7 of the processing drum 1 takes place.

The second processing drum 2 also has one Number of radial receiving compartments 15 through Compartment walls 16 are separated from one another. In every compartment 15 there is a clamping arrangement, not shown which later related to other figures will be taken. The receiving compartments 15 are on the circumference 17 of the processing drum 2 open, but can also additionally still open on the end faces of the drum 2 be. The processing drum 2 is by means of only one partially shown drive 18 in the direction of Arrow C driven. This drive 18 has similar to in the processing drum 1 pinion 19 on the Comb the sprockets on the circumference of the processing drum 2. The two drives 8 and 18 for the two drums 1 and 2 can have a common drive motor.

It is also conceivable that the processing drum 2 is not like shown on the circumference, but in the center, i.e. on a the To drive the axis of rotation 2a defining the shaft.

On the circumference of the processing drum 2 are two fixed Knife elements 20 and 21 arranged, of which the knife element 20 is shown in the active position, while the other knife element 21 assumes its inoperative position. The one in the operating position Fixed knife element 20 or 21 works with knife elements together, arranged in the individual compartments 15 are. On the circumference 17 of the processing drum 2 The cutting process taking place is shown in FIGS. 4-8 to be discussed in more detail.

The printed products P to be trimmed are the Shares 3 of the processing drum 1 by means of a feed conveyor 22 supplied, the conveying direction designated D. is. This feed conveyor 22 is of a known type per se and has a revolving driven tension member 23 the gripper 24, which can be controlled at regular intervals, is attached are. These grippers 24 hold the printed products P fixed. 1 shows the printed products P with its folded edge 25 leading in scale formation fed. The two side edges of the printed matter P, which are trimmed in the processing drum 1, are designated with 26 and 27. To the folded edge 25 parallel side edge on which the printed products P are held by the gripper 24, is designated 28. The feed conveyor 22 is guided such that a Printed product P with its folded edge 25 in front Part 3 of the processing drum 1 is introduced.

Between the two processing drums 1 and 2 is one Conveying arrangement 29 provided with a conveying direction E, which is also of a known type. Even the conveyor arrangement 29 has a revolving traction element 30 on to which the gripper 31 is attached at regular intervals are. The conveyor arrangement 29 is driven by a drive 32 driven, the drive pinion 33 having the already mentioned gear rings on the circumference of the first processing drum 1 comb. The conveyor arrangement 29 is thus driven by the first processing drum 1.

In the first processing drum 1 on the two Side edges 26, 27 trimmed printed products P are from the grippers 31 of the conveyor assembly 29 on Side edge 28 captured and to the second processing drum 2 promoted. The conveyor arrangement 29 is designed such that the printed products P each individually with the folded edge 25 ahead into the receiving compartments 15 of the second Machining drum 2 are introduced.

After trimming the printed products P on theirs Margin 28, i.e. in the direction of rotation C of the processing drum 2 seen behind the stationary knife elements 20, 21 the trimmed printed products P led away by means of a conveyor 34 with conveying direction F. This conveyor 34 is constructed similarly to that Conveying arrangement 29 and also has a rotating one Puller attached to the gripper. The conveyor is driven 34 by a drive 35, the drive pinion 36 has, which with the mentioned sprockets on the circumference of Comb processing drum 2. The drive of the conveyor 34 thus takes place from the second processing drum 2.

2 is a side view and in Fig. 3 in Top view of a second embodiment of an inventive Device shown, which is different from the embodiment 1 differs in that the Order of the two processing drums 1 and 2 is reversed. This means that when setting up 2, the processing drum 2 of the processing drum 1 is connected upstream. Otherwise they are two processing drums 1 and 2 the same as with the Fig. 1 described. In the embodiment 2 are the conveyor assembly 29 and the Away conveyor 34 performed somewhat differently than in the embodiment 1, i.e. in Fig. 2 is the removal the printed products from processing drums 1 and 2 slightly different than as shown in Fig. 1.

The two processing drums 1 and 2 are in one Floor-supported frame 37 about its axis 1a and 2a in Direction of arrows B and C rotatably and how 1 described by a common Drive unit 38 driven here. The drive of the feed conveyor 22 takes place from the processing drum 2 a drive 39 shown only schematically.

The printed products P to be trimmed are the Feed conveyor 22 through a feed 40 in the conveying direction G supplied, which is also of a known type and also on a rotating driven traction element in regular Has spaced, individually controllable grippers. As can be seen in FIG. 2, this feed 40 can also to be used, the already trimmed To accept printed products P from the conveyor 34 and continue to promote. The takeover of Printed products P from the conveyor 34 to the feeder 40 an elimination of faulty or damaged Printed products P take place.

From the illustration in Fig. 4, which is a section through the Processing drum 2 along the line IV - IV in Fig. 2nd shows, the construction of the processing drum 2 and the arrangement of a stationary cutting knife 20 can be seen.

As can be seen from FIG. 4, the processing drum 2 two bearing parts 41, 42 on the front, on which wall parts 16a and 16b are attached, which the portion walls 16th form between the individual receiving compartments 15. In each Share is a bottom part 43 is present, which in the direction of Arrow H is adjustable to one setting on different Make format sizes of the printed products P. to be able to. The adjustment of the bottom parts 43 of all Receiving compartments 15 are preferably made from a central one Adjustment mechanism (not shown). 4 is a located in the receiving compartment 15 printed product P shown in dash-dotted lines.

On the two storage parts 41, 42 are in each part Knife elements 44 attached, the cutting edges 44a on Scope of the processing drum 2 are arranged and at shown embodiment over the entire width of the Shares 15 run. The bottom parts 43 are set so that the part 45 to be cut away at the side edge 28 of the printed products P via this cutting edge 44a Knife elements 44 protrudes.

As already mentioned, the rotating knife elements work 44 together with a stationary knife element 20 which around the pivot axis designated 46 pivotable on one stationary bracket 47 are stored. The knife element 20 can be described in the direction of the Arrow I from the scope of the processing drum 2 in the Out of service position are pivoted, which is in Fig. 4th is shown in broken lines.

5, which shows a section of the processing drum 2 shows a first embodiment of the training and arrangement of the stationary knife element 20 explained.

5 form the knife elements 44 part of the part walls 16 to which the trimming printed products P by means of controlled Terminal assemblies 48 are pressed. The knife elements 44 are fixed in such a way that their cutting edge 44a when rotating the processing drum 2 in the direction of Arrow C along a cylindrical surface on Move the circumference 17 of the processing drum 2. The stationary Knife element 20 is with its cutting edge 20 'against tapering knife elements 44 trimmed to the holder 47 attached. The knife element 20 is as in FIG. 7 shown opposite the direction of movement of the processing drum 2 inclined by the angle α to be together with the rotating knife elements 44 in portions 15 den part 45 of the printed products P to be cut away in the Kind of scissors to cut away. Since the cutting edge 20 ' of the fixed knife element 20 very close to the circumference 17 of the Processing drum 2 must lie, it is necessary that the knife element 20 on its the processing drum 2 facing side 20a is arched, the The radius of this curvature is approximately the radius of the processing drum 2 should correspond. This means that the fixed Knife element 20 on the side 20a of processing, e.g. by means of a grinding tool got to.

In the embodiment shown in Figures 6 and 7 can now do such processing of the fixed knife element 20 do not occur, but it is necessary to to control rotating knife elements 44. The way of representation 6 corresponds to that of FIG. 5, 7 is a view in the direction of arrow A in Fig. 6 shows.

7 shows that the stationary knife element 20 is attached to a cutter bar 49 which is about the axis 46 is pivotally mounted on the bracket 47. At his the The knife bar carries the pivot axis 46 on the opposite side 49 an eccentrically mounted roller 50, which in the present case is formed by a ball bearing. On 8 will be described with reference to FIG Roller 50 pressed against a tread 51, which on a Control link 52 is formed. As can be seen in FIG. 6 lets, this control link 52 is used to control the Movement of the cutter bars 44. These cutter bars 44 are in mounted radially and with a Control roller 53 connected to the rotation of the Processing drum 2 in the direction of arrow C on the Control curve 52 opens. When the Control rollers 53 and the cam 52 are the Knife elements 44 counter to the action of a compression spring 54 pushed back so that the cutting edges 44a of the rotating knife elements 44 in the area of the stationary Knife element 20 along a flat movement path 55 run. Thus, the bottom 20a of the stationary Counter knife 20 are formed flat.

In order to achieve a positive guidance of the control rollers 53 a second control curve, designated 52a, is provided become.

As can be seen from FIG. 7, as already mentioned, the Cutting edge 20 'of the stationary knife element 20 opposite the direction of movement C of the rotating knife elements 44 and their cutting edges 44a inclined by the angle α. Fig. 7 shows that this arrangement of the knife element 20, a cutting process is achieved which corresponds to that with scissors. It means that trimming the side edge 28 on the side edge 26 begins and then to the opposite side edge 27 progresses.

8, which shows an area in an axial section the processing drum 2 with the stationary knife element 20 shows, the bearing of this knife element 20 explained in more detail. This knife storage is very similar of those described in EP-A-0 602 mentioned earlier 593 is described and shown, in particular in their FIGS. 4B, 5-9. Although in FIG. 8 a knife element 20 5 according to the embodiment shown in FIG. is also related to the knife storage Fig. 7 referred.

The processing drum 2 partially shown in FIG. 8 has bearing rings 56, 57 arranged on the end face correspond to the bearing parts 41, 42 according to FIG. 4. Of the Bearing ring 56 has a ring gear 58 on its circumference, with the drive pinion 19 (Fig. 1) of the drive 18 for the processing drum 2 is engaged. As already in Described in connection with FIG. 4, each receiving compartment 15 has a bottom part 43, which in the direction of Arrow H to adapt to the format of the crop Printed product P is adjustable. In each share 15 is a clamp assembly as shown in Figures 5 and 6 48 available, which has a terminal block 59, which runs parallel to the knife element 44, the two Bearing rings 56, 57 is attached. For controlling the Terminal arrangement 48 is referred to EP-A-0 mentioned earlier 602 593. With this terminal block 59 that becomes trimming printed product P in the area of trimming side edge 28 against the portion wall 16 or the knife element 44 pressed.

At the bearing ring 56 there is also a ring with the track 51 for the roller 50 attached. This roller 50 is eccentrically, so adjustable mounted on the cutter bar 49. This cutter bar 49 carries the cutter element 20 and is pivotable about the axis 46 in a knife bearing 60 stored, which is attached to the bracket 47. Means an actuating mechanism 61 is the cutter bar 49 together with the knife element 20 from the active or shown in FIG Cutting position in the direction of arrow I in a Out of service position swiveling. This actuation mechanism 61 has a cylinder-piston unit 62, the Piston rod 62a connected to a toggle lever arrangement 63 to which a compression spring 64 belongs. This toggle arrangement 63 is connected to the cutter bar 49. By this spring 64 becomes the cutter bar 49 with the roller 50 pressed against the track 51 and positioned. For the precise structure and mode of operation of the actuating mechanism 61 reference is made to EP-A-0 602 593.

The knife element 20 is a system 65 for suctioning the assigned cut strips of material. This intake system 65 has a suction channel 66, which is connected to a in FIG. 8 not shown mouthpiece is connected to the Cutting gap between the fixed knife element 20 and the passing knife element 44 is open.

In the embodiment according to FIGS. 6 and 7 with resiliently mounted knife elements 44 are in deviation 8 the cutter bar 49 and the Clamping assemblies 48 resiliently mounted. In addition, would have to a stationary control link 52 for the control rollers 53 (Figures 6 and 7) can be provided. The bracket and However, storage of the stationary knife element 20 remains same as shown in Fig. 8.

The mode of operation of the two in FIGS. 1 and 2 facilities shown should be from the previous explanations be sufficiently clear. In summary, can can be said that in the processing drum 1 the Printed products P simultaneously or one after the other trimmed at two opposite side edges 26, 27 and that in the processing drum 2 a third Side edge 28 is trimmed. Here is the order of the two cutting processes freely selectable.

In the following, certain variants are briefly mentioned.

Instead of the printed products in the processing drum 1 as shown P on both side edges 26 and 27 too it is also possible to trim on only one side edge 26 or 27 make a cut. It goes without saying that other types of products in the facilities described can be trimmed, e.g. also stapled Products that can be folded or unfolded. The Printed products P can also be in a different position than as shown in Figures 1 and 2 in the processing drums 1, 2 are introduced, especially in one compared to the position shown in Figures 1 and 2 by 90 ° twisted position.

The facilities described have the advantage that the Processing drums 1, 2 set up separately can be, i.e. their mutual situation has not already been predefined is because for the transfer of the one Processing drum trimmed printed products for other processing drum a conveyor arrangement is provided whose course can be freely selected within wide limits. There both processing drums 1, 2 with a horizontal axis of rotation 1a and 2a are arranged, the insertion of the printed products P in the receiving compartments 3 and 15 of the processing drums 1, 2 in the upper area of the drum radial direction. This allows a controlled, correct insertion of the printed products P in the receiving compartments 3, 15.

If printed products P only on one side edge are to be trimmed, the cutting arrangements in a processing drum 1 or 2 deactivated.

Claims (10)

1. Apparatus for trimming sheet-like products (P), in particular multiple-sheet printed products, e.g. newspapers, periodicals and brochures, on at least two side borders (26, 27, 28), having two processing drums (1, 2) which are arranged one after the other, can be driven in rotation about their longitudinal axis (1a, 2a) and of which each exhibit radial receiving compartments (3, 15) which are open at least on one side, are intended for the products (P) to be trimmed, are separated from one another by compartment walls (4, 16), and in which there is arranged in each case one controllable clamping arrangement (48) for clamping the products (P) firmly during the cutting operation, one, first processing drum (1) being arranged with a horizontal axis of rotation (1a), and the compartments (3), which are open at the circumference (5) and on at least one end side (6, 7) of the first processing drum (1), each exhibiting, on said open end side (6, 7), a co-rotating cutter element which interacts with a first stationary cutter element (11, 12; 13, 14) in order to trim a side border (26, 27) of the product (P) located in the associated compartment (3), and the compartments (15) of the other, second processing drum (2) likewise being provided, on an open side (17), with a co-rotating cutter element (44), which also interacts with a second stationary cutter element (20, 21) in order to trim another side edge (28) of the product (P) located in the associated compartment (15), characterized in that the second processing drum (2) is arranged with a horizontal axis (2a) and, in the case of said second processing drum (2), the cutter elements (20, 21) are arranged on the compartments (15), at the circumference (17) of the second processing drum (2), and in that there is arranged, between the two processing drums (1, 2), a conveying arrangement (29) for transporting the products (P) which have been trimmed in one processing drum (1 or 2) into the compartments (3, 15) of the other processing drum (2 or 1, respectively).
2. Apparatus according to Claim 1, characterized in that the receiving compartments (3) of the first processing drum (1) are open on the two end sides (6, 7) and each exhibit a co-rotating cutter element on each of these end sides (6, 7), and in that there is arranged, adjacent to each end side (6, 7) of the first processing drum (1), a stationary cutter element (11, 12; 13, 14), of which each interacts with the passing cutter elements in the receiving compartments (3) of the first processing drum (1).
3. Apparatus according to Claim 1 or 2, characterized in that the conveying arrangement (29) exhibits grippers (31) which are arranged on a circulating drawing member (30), grip the products (P) trimmed in one processing drum (1 or 2), and transport said products to the receiving compartments (15, 3) of the other processing drum (2, 1), the conveying arrangement (29) preferably being driven by a processing drum (1 or 2).
4. Apparatus according to one of Claims 1 - 3, characterized in that the stationary cutter element (20, 21) assigned to the second processing drum (2) can be pivoted, about an axis (46) running at right angles with respect to the axis of rotation (2a) of said processing drum (2), from an operating position into an out-of-operation position.
5. Apparatus according to Claim 4, characterized in that the stationary cutter element (20, 21) is fastened on a cutter bar (49) which is mounted on a stationary cutter bearing (60), such that it can be pivoted about a pivot axis (46), and, in the operating position of the cutter element (20, 21), is supported at the end located opposite the pivot axis (46), by means of a rotatably mounted roller (50), on an annular running surface (51) provided on the second processing drum (2).
6. Apparatus according to one of Claims 1 - 5, characterized in that the cutting edge (20') of the cutter element (20, 21) assigned to the second processing drum (2) is set obliquely with respect to the cutting edges (44a) of the cutter elements (44) in the receiving compartments (15), with the result that said cutting edges (20', 44a) of the interacting cutter elements (20, 21; 44) form an acute angle (α) with one another.
7. Apparatus according to one of Claims 1 - 6, characterized in that the cutter elements (44) arranged in the receiving compartments (15) of the second processing drum (2) are mounted such that they can be displaced in the direction of the interior of the receiving compartments (15), and in that control means (52, 52a, 53) acting on said cutter elements (44) are provided in order, when the second processing drum (2) is rotating, to guide the cutting edge (44a) of the cutter elements (44) along a planar movement path (55) in the region of the stationary cutter element (20, 21).
8. Apparatus according to one of Claims 1 - 7, characterized by a feed conveyor (22) which is arranged upstream of the two processing drums (1, 2) and is intended for feeding the products (P) to be trimmed to one processing drum (1 or 2), and by a removal conveyor (34) which is arranged downstream of the other processing drum (2 or 1) and is intended for guiding away the ready-trimmed products (P).
9. Apparatus according to Claim 8, characterized by a transporting arrangement (40) which is arranged upstream of the feed conveyor (22), advances the products (P) and transfers them to the feed conveyor (22) and, thereafter, receives the ready-trimmed products (P) from the removal conveyor (34) and transports them to a further-processing location.
10. Apparatus according to one of Claims 1 - 9 for trimming multiple-sheet, folded or bound products (P), characterized in that, in the first processing drum (1), the products (P) are trimmed on the two side borders (26, 27) at right angles to the folding edge (25) or bound edge and, in the second processing drum (2), the products (P) are trimmed on the side edge (28) parallel to the folding edge (25) or bound edge.

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