EP1447364B1 - Device for separating useful units of a printed sheet - Google Patents

Abstract

The separating device comprises a first cutting device (6-8) producing several longitudinal strips, a quality control device (2-4) and a second cutting device to cut the strips into units. There is a filtering device (26-28) between the two cutting devices for filtering out any strip with one or more faulty units.

Description

The invention relates to a device for separating the benefits of a printed Bow according to the preamble of claim 1.

Such a device and such a method are known from EP 02 48 307 A1.

This known device is used on a sheet on which a variety useful in the form of banknotes, especially banknotes, printed ones Recognizing benefits whose printing has shortcomings, bow to the individual benefits too disassemble, weed out the bad ones and go through the good ones without fail number. For this purpose, a first cutting device for cutting the Arc into a plurality of strips each comprising several benefits, one Quality control device for detecting erroneous benefits and a second Cutting device provided for cutting the strips into individual benefits. The Stripes are passed through a numbering machine, which is based on the in the information received on the location of the erroneous benefit on the strip is driven so that a flawed utility on remains unnumbered a strip. Subsequently, the strips are used in individual cut and the faulty are sorted out.

The subsequently published DE 199 39 164 A1 discloses a method for the processing of Substrates in which the printed image is controlled with a plurality of benefits. Subsequently, the substrate is separated into individual benefits and erroneous benefits discarded.

EP 02 86 317 A1 shows a device for cutting a web into sheets. These Sheets are placed on different piles depending on a control.

The invention is based on the object, a device for separating benefits to create a printed sheet.

The object is achieved by the features of claim 1.

The achievable with the present invention consist in particular that the Control of the method and the device is considerably simplified. Namely the strips that contain erroneous benefits, even before they are separated into individual Benefits are sorted out, needs information about the location of the faulty Benefit not stored on a sheet or strip and also at the Further processing of individual benefits not to be considered.

In a first embodiment of the invention, one with a variety of benefits printed sheet first from the first cutter across a Transport direction of the sheet cut into strips. If in this case a strip can be sorted out due to an error, the resulting gap in simply be closed by the fact that you possibly subsequent stripes of the same bow and an additional strip of a subsequent sheet so as to obtain the one usually obtained from a sheet Number of stripes to complete. This will be a regular sequence of error-free Strip obtained that processed with little administrative effort, z. B. numbered, isolated and banded.

In a second embodiment, an arc is longitudinal to its transport direction in Cut strips. If one of these streaks is faulty and is sorted out, so is it is convenient to him by adding a spare strip from a magazine too replace, which is inserted in the place of the sorted strip. Even so The group of strips obtained can be further processed with little administrative effort become.

To sort out defective strips as well as subsequent processing facilitate, it is useful if the cut from a bow strip across be spaced to the cutting direction.

Embodiments of the invention are illustrated in the drawings and are in described in more detail below.

Fig. 1

eine schematische Ansicht einer Vorrichtung, die in einer Anlage zum Vereinzeln, Banderolieren und Verpacken von frisch gedruckten Banknoten einsetzbar ist;

Fig. 2

eine perspektivische Ansicht einer exemplarischen Ansaugvorrichtung einer Walze;

Fig. 3

im Detail den Aufbau einiger Walzen der Vorrichtung aus Fig. 1;

Fig. 4a, 4b

einen Schnitt durch den Mantel eines Transferzylinders gemäß einer weiterentwickelten Ausgestaltung;

Fig. 5

eine schematische Darstellung einer zweiten Ausgestaltung der Vorrichtung.

Show it:

Fig. 1

a schematic view of an apparatus which is used in a system for singulating, banding and packaging freshly printed banknotes;

Fig. 2

a perspective view of an exemplary suction device of a roller;

Fig. 3

in detail the structure of some rollers of the device of Fig. 1;

Fig. 4a, 4b

a section through the shell of a transfer cylinder according to a further developed embodiment;

Fig. 5

a schematic representation of a second embodiment of the device.

Fig. 1 shows a schematic side view of a device according to the Contraption. Bow on which banknotes in a row and column arrangement are printed by a sheet feeder, not shown, in the transport direction 01, d. H. in the direction of the arrow 01, the device supplied. The bow goes through first a quality control unit 02. This quality control unit 02 comprises two Control cylinder 03; 04. The structure of the two control cylinder 03; 04 is essentially equal. Its lateral surface has large cutouts, in front of which the supplied Each sheet is held so that the printed benefits, d. H. here the individual Banknotes, for each inside the control cylinder 03; 04 attached CCD camera are visible. To the CCD camera, not shown, is a Connected evaluation unit, which is set to error in the printed image of the to capture individual banknotes. The arch passes through a gap between the two Control cylinders 03; 04, so that the CCD cameras of the two control cylinders 03; 04 each are able to check the front and back of the sheet and one To record information about the location of any erroneous benefits on the sheet.

Subsequent to the quality control unit 02 is a cutting device 06 for Cutting the sheet into a plurality of strips arranged. In the Embodiment of Fig. 1 is a longitudinal cutting device 06, the Arch through parallel to its transport direction guided cuts in longitudinal strips disassembled. Each of these longitudinal stripes corresponds to a column of the row and Column arrangement of the benefits on the original arch. The Longitudinal cutting device 06 is constructed in a conventional manner from a roller 08, where the bow is held and guided and the plurality of circumferential Having grooves on its peripheral surface, and an arrangement of on a common axis rotating circular knives 07, which cooperate with the grooves disassemble the sheet into the individual strips and cut off margins. The separated side edges are eliminated, z. B. by suction; the preserved Stripes are attached to a transport element 09, z. B. transferred a transfer cylinder 09.

To the issued by the slitter 06 more To be able to detect and transport adjacent strips is the Transfer cylinder 09, as shown in more detail in Fig. 3, with an internal suction device 11th equipped, the broken over in the lateral surface 12 of the transfer cylinder 09 holes 13 is able to suck up every single strip and on a limited part the circumference of the transfer cylinder 09 to keep the strip firmly pressed to this.

Fig. 3 shows the transfer cylinder 09 partially cut open, so that the suction device 11 can be seen in its interior. The holes 13 on the lateral surface 12 are in rows Grouped on several circumferential bands 14, the number of these bands 14 and her Distance from each other the number of delivered by the slitter 06 Strip and whose width corresponds. Inside the lateral surface 12 are on a shaft 16 several suction elements 15 arranged in the form of circular sector-shaped chambers 15. The shaft 16 and the chambers 15 thereon are stationary, whereas the lateral surface 12th rotates. The chambers 15 are connected via a guided in the shaft 16 suction line 18 to a not shown suction pump connected. Slots 19 on the outer walls 21 of the Chambers 15 are arranged so that upon rotation of the lateral surface 12 each a series of holes 13 moved in front of a slot 19. When the transfer cylinder 09 rotated in the direction of the arrow 22 of Fig. 3, so corresponds to the viewer facing Leading edge 23 of the chambers 15 the place where the strips from the transfer cylinder 09 sucked to be transported by this in the direction of arrow 22 to be, and the viewer facing away from the rear edge 24 is the place where the Suction on the strips ends and they dissolve again from the transfer cylinder 09 can.

The transfer cylinder 09 transfers the strips guided parallel to one another to one here as Ausschleuszylinder 26 designated cylinder 26, whose structure is substantially also corresponds to the pattern shown in Fig. 3. A difference to the structure of the Transfer cylinder 09, however, may be that at Ausschleuszylinder 26 each Chamber 15 may be equipped with a valve to selectively the Negative pressure supply to individual chambers 15 to interrupt, d. H. the suction elements 15 to operate independently.

Fig. 2 shows the transfer cylinder 09, the Ausschleuszylinder 26 and a plurality of downstream cylinders each arranged with in their interior Suction devices 11. The trailing edge 24 of the suction device 11 of the transfer cylinder 09 is formed on a between transfer cylinder 09 and Ausschleuszylinder 26 Gap of the leading edge 23 of the suction device 11 of the Ausschleuszylinders 26 opposite, so that when transferring the strip from the transfer cylinder 09 to the discharge cylinder 26 breaks off the suction of the transfer cylinder 09 in the moment in which the des Ausschleuszylinders 26 begins.

The Ausschleuszylinder 26 rotates in contact with two transfer cylinders 27; 28, the also equipped with an internal suction device. The suction device of the Transfer cylinder 27 is inactive in the normal state, and it is equipped with a valve for selective pressurization of individual chambers 15 equipped with negative pressure. When in the Quality Control Unit 02 has detected an error in a benefit, the Column of the arch on which this benefit is recorded, and as soon as the Strip of the sheet reach the transfer cylinder 27, the one chamber 15 of the Transfer cylinder 27, which corresponds to this column, subjected to negative pressure to the remove faulty strip from the surface of the discharge cylinder 26. The Removal of the defective strip from the discharge cylinder 26 can thereby be facilitated that at the same time the vacuum supply of the corresponding Chamber 15 of the discharge cylinder 26 is interrupted, provided its chambers 15th equipped with valves.

All strips on which no error has been detected in the quality control unit 02 is through the gap between Ausschleuszylinder 26 and the first transfer cylinder 27 unaffected and stick to the Ausschleuszylinder 26 until they are in height a gap to the second transfer cylinder 28, the end of the chamber 15 of the Reach Ausschleuszylinders 26. In the amount of this gap begins, however, as in Fig. 3 shown, the chamber 15 of the suction device 11 of the second transfer cylinder 28th Those strips that reach this gap therefore detach from the surface there the Ausschleuszylinders 26 and go to the second transfer cylinder 28 via.

The Ausschleuszylinder 26 forms so together with the transfer cylinders 27; 28 one Soft, on the strip depending on the quality of either a waste tray 39 or a be fed to further processing.

The waste tray 39 is in a plurality of transversely to the plane of FIG. 3rd subdivided compartments, their number and arrangement of the distribution of Strip on the Ausschleuszylinder 26 corresponds. So can by simply parallel Promote each screened strip to be fed to a tray that column corresponds to the original sheet from which the strip was cut. When a Disturbance of the printing press on which the sheets to be processed are printed This leads to a local unequal distribution of errors on the arch different numbers of stripes, which are in the individual subjects of the Accumulate waste tray 39, immediately recognizable.

The second transfer cylinder 28 further transports the strips to a so-called Collecting cylinder 29, which serves to sort out faulty strips by error-free complete. For this purpose, a magazine 31 is arranged on the collecting cylinder 29, in a plurality of perpendicular to the plane of Fig. 1 one behind the other Trays can be equipped with flawless strips. An output device 32 is closed each of the compartments a vertically and in the longitudinal direction of the strip movable suction head 33, with each of which a single strip is removable from a tray. Taken strips are about several rollers 34 the collecting cylinder 29th fed. The operation of the output device 32 is the same as that of the discharge cylinder 26 or the first transfer cylinder 27 linked so that whenever, if Strip is sorted out, one of the same column corresponding compartment of the Magazine 31 taken a spare strip and so synchronized the collecting cylinder 29 is supplied, that the leading edges of the non-sorted strips of the original bow and the newly inserted strip on the collector cylinder 29 lie on a common line. The arrangement of stripes, subsequently from the Collecting cylinder 29 to another transport element 36, z. B. a transfer cylinder 36 is therefore no longer distinguishable from an arrangement alone would be obtained by the longitudinal cutting of a defect-free sheet.

In a following on the transfer cylinder 36 numbering 37, the individual Benefit of this arrangement of strips therefore easily and without large Control effort, in particular without the need on the strip eventually existing misprints must be considered, numbered consecutively.

A belt conveyor 38 transports the strips with the numbered ones Use for a second cutting device, not shown in FIG Cross cutting device, in which the benefits of the individual strips are separated. One Sorting out erroneous benefits is no longer necessary after separating, since these have already been eliminated on Ausschleuszylinder 26. The benefits received can therefore without a further control and / or sorting step in the for banknotes collected, banded or packaged in the usual way.

Fig. 4 shows in their parts a and b a section through the lateral surface 12 of a Transfer cylinder 09 according to a further developed embodiment of the device of Fig. 1 to 3. In this embodiment, the lateral surface 12 of a plurality of Segments 41 constructed, wherein in each segment 41 one of the bands 14 of holes 13 is formed. The segments 41 engage - in the axial direction against each other movable - one inside the other. Fig. 4a shows two segments 41 in one pushed together position, the smallest possible distance I between the Bands 14 corresponds, and the segments 41 at the time of acquisition of Strip from the longitudinal cutter 06 occupy. In the course of the rotation of the Transfer cylinder 09 are, z. B. controlled by a cam, the segments 41st moved further apart until they reach the state shown in Fig. 4b, the the maximum distance I between the bands 14 corresponds. This is the condition in which the transfer cylinder 09 at the time of transfer of the strip to the Ausschleuszylinder 26 is located. The strips are therefore on the Ausschleuszylinder 26th passed with a distance I from each other, the displaceability I of the segments 41st corresponds to each other. This distance I avoids the sorting out a faulty strip on Ausschleuszylinder 26 by hooking on adjacent Strip is disturbed. The spacing of the individual strips achieved in this way is also advantageous because thereby the further processing of the strip after the Elimination of the faulty, such as the singulation and possibly the Banding, simplified.

After the transfer of the strips to the discharge cylinder 26, the segments 41 pushed back together so that they are taking on another group strip from the slitter 06 again in the configuration of Fig. 4a are located.

The chambers 15 of the suction device 11 of the transfer cylinder 09 are in this Embodiment coupled to the movement of the segments 41 against each other axially displaceable, so that the important for the suction effect coverage of the rows of Holes 13 with the slots 19 is retained at all times.

When the distance I from the gap between transfer cylinder 09 and Ausschleuszylinder 26th on the one hand to the gap between Ausschleuszylinder 26 and first transfer cylinder 27th on the other hand, along the circumference of the transfer cylinder 36 larger than the length of Strip is fixed, so it is possible the disassembly of the segments 41 so to synchronize with the rotation of the Ausschleuszylinders 26 that they completely in the time takes place in which the strips are between the two columns. One Tilting or skewing of the strips on the Ausschleuszylinder 26 is so avoided.

Fig. 5 shows a schematic view of a second embodiment of the invention. The Quality control unit 02 is here identical to that already described with reference to FIG. 1 . described As a cutting device 42 following the quality control unit 02 Here, however, a cross-cutting device 42 is provided. Through these, the Each arc corresponding to the rows of the row and column pattern of the latter printed benefits decomposed into horizontal stripes. One following the Cross cutter 42 arranged switch 43 is dependent on the at Quality control unit 02 results switched back and forth, so that error-free strips are fed to a further processing (arrow 44) and faulty be discarded (arrow 46). The switch 43 can, as indicated in FIG. 5, as be formed pivotable flap; conceivable is also an embodiment similar to the from the cylinders 26; 27; 28 constructed switch of FIG. 1. The further processing in Connection to the switch 43 may, for. B. look like that the horizontal stripes with the help of on lateral chains guided grippers in the clock in which they from the Cross cutting device 42 are supplied, transported to a numbering 37 become. If there is no cross-band at the numbering unit, because this one before has been sorted out, so do not print the numbers of numbering continued, and those numbers on a faultless arc on the Last strip would have been printed on the first strip of the subsequent sheet printed. It is also conceivable, as indicated in Fig. 5, first a predetermined number of defect-free strips on one of the points 43 to collect downstream investors 47 and then the stack thus obtained further processing.

In both embodiments described above can after sorting the defective strip and, in the case of the first embodiment, the replacement by flawless strips, the resulting strips are easily processed, without that for single strips or single use of a strip one Special treatment is required. This results in a considerable simplification of Control. In particular, if no continuous numbering of the received Benefit is required, the first embodiment can also by omitting the Collection cylinder 29 and connected to the magazine 31 are simplified, in In this case, the stripes are filled directly from the. without filling in any gaps Transfer cylinder 28 forwarded to the second cutter.

The device for transporting adjacent strips has a first transport element 09 and a second transport element 36, wherein between the two transport elements 09; 36, a switch 26, 27, 28; 43 for sorting out Strip and an inserter 29, 31, 32, 33 for inserting a replacement strip the location of a screened strip is located. The switch 26, 27, 28; 43 is between two cutting device 06; 42 arranged. Besides, between the first Cutting device 06 and the second an insertion device 29, 31, 32, 33 for Inserting a spare strip in place of a rejected bad strip intended.

LIST OF REFERENCE NUMBERS

01

Transport direction, arrow

02

Quality control unit

03

control cylinder

04

control cylinder

05

-

06

Cutting device, longitudinal cutting device

07

circular blade

08

roller

09

Transport element, transfer cylinder

10

-

11

suction device

12

lateral surface

13

hole

14

tape

15

Suction element, chamber

16

wave

17

-

18

suction

19

slot

20

-

21

outer wall

22

arrow

23

leading edge

24

trailing edge

25

-

26

Ausschleuszylinder

27

Transfer cylinder

28

Transfer cylinder

29

collecting cylinder

30

-

31

magazine

32

output device

33

suction cup

34

roll

35

-

36

Transport element, transfer cylinder

37

numbering

38

Belt conveyor

39

Makulaturablage

40

-

41

segment

42

Cutting device, cross cutting device

43

switch

44

arrow

45

-

46

arrow

47

investor

1

distance

Claims (12)

1. Device for transporting strips lying beside one another, having a first transport element (09) and a second transport element (36), characterized in that a diverter (26, 27, 28; 43) for separating out strips and an insertion device (29, 31, 32, 33) for inserting a replacement strip in the place of a strip separated out is arranged between the two transport elements (09; 36), in that a rejects store (39) for holding the strips separated out is arranged downstream of the diverter (26, 27, 28; 43), and in that the rejects store (39) has compartments in a number and arrangement corresponding to the number and arrangement of the strips cut out of a sheet.
2. Device according to Claim 1, characterized in that the diverter (26, 27, 28; 43) is arranged between two cutting devices (06; 42).
3. Device according to Claim 2, characterized in that a device for spacing apart transversely with respect to the cutting direction the strips cut out from a sheet is arranged between the first cutting device (06) and the diverter (26, 27, 28; 43).
4. Device according to Claim 3, characterized in that the spacing device comprises a transfer cylinder (09) having a plurality of segments (41) which can be displaced axially in order to attract a strip by suction in each case.
5. Device according to Claim 4, characterized in the spacing between an acceptance nip and an output nip of the transfer cylinder (09) is greater than the length of the strips.
6. Device according to Claim 1, characterized in that the diverter (26, 27, 28; 43) has a plurality of suction elements (15) which can be actuated independently and in each case act on a strip.
7. Device according to Claim 2, characterized in that an insertion device (29, 31, 32, 33) for inserting a replacement strip in the place of a faulty strip separated out is provided between the first cutting device (06) and the second.
8. Device according to Claim 7, characterized in that the insertion device (29, 31, 32, 33) has a magazine (31) having compartments in a number and arrangement corresponding to the number and arrangement of the strips cut out of a sheet.
9. Device according to Claim 8, characterized in that the insertion device (29, 31, 32, 33) has a plurality of movable suction heads (33) which can be actuated independently and in each case act on a compartment of the magazine (31).
10. Device according to Claim 1, characterized in that a numbering unit (37) for numbering the useful units of the fault-free strips is arranged.
11. Device according to Claim 2 and 10, characterized in that the numbering unit (37) is arranged between the two cutting devices (06; 42).
12. Device according to Claim 11, characterized in that the numbering unit (37) is arranged after the insertion device (29, 31, 32, 33).

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