EP0208244A2 - Dispositif pour rogner des produits imprimés délivrés en chevauchement - Google Patents

Dispositif pour rogner des produits imprimés délivrés en chevauchement Download PDF

Info

Publication number: EP0208244A2
Authority: EP; European Patent Office
Prior art keywords: cutting; counter knife; knife device; printed products; cut
Prior art date: 1985-07-09
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP86108977A

Other languages

German (de)

English (en)

Other versions

EP0208244A3 (en

EP0208244B1 (fr

Inventor

Adolf Weingartner

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1985-07-09

Filing date

1986-07-02

Publication date

1987-01-14

1986-07-02 Application filed by Individual filed Critical Individual

1986-07-02 Priority to AT86108977T priority Critical patent/ATE70762T1/de

1987-01-14 Publication of EP0208244A2 publication Critical patent/EP0208244A2/fr

1988-09-28 Publication of EP0208244A3 publication Critical patent/EP0208244A3/de

1991-12-27 Application granted granted Critical

1991-12-27 Publication of EP0208244B1 publication Critical patent/EP0208244B1/fr

2006-07-02 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
- B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
- B26D1/24—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter
- B26D1/245—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with another disc cutter for thin material, e.g. for sheets, strips or the like

Definitions

the invention relates to a device according to the preamble of patent claim 1.
Such cutting devices are e.g. in "Paper Processing and Printing", Apr. 35/1979, pp. 1054-1058.
their application is directed to the cutting of paper webs and also to the cutting of individually designed printed products which have been created by prior cross-cutting and which are fed to the cutting device in a continuous process according to the transport speed used either to a gap or in the so-called shingled stream.
the shingled stream is the common form, so that the shingled stream is then also decisive for the further processing processes.
the cutting of individually designed printed products requires a transport device with which the products are conveyed through the cutting gap and at the same time held down so that the attacking cutting forces do not Cause slipping.
DE-OS 3022772 has conveyor belts above and below the conveyor track, which feed the material to be cut to the cutting device for edge trimming.
DE-GM 8401628.0 shows a similar cutting device in connection with a ribbon line, which is provided for transporting the material to be cut, but the position of the ribbon line is based on the implementation of a separating cut, that is to say a cut that takes place more or less within the width of the printed product , switched off.
the associated knife is designed as a one-piece double knife, so that the strip lying between the cutting edges results in a chip approximately the width of the cutting edge distance.
the ribbon cable is straight and close to the cutting line, because the compression of the flexible paper plays a major role in the cutting area.
Another device for cutting out which is more variable with regard to the strip width of the cutout, works with offset circular knives, the first longitudinal cut coming through the first coming circular knife and the second longitudinal cut through the offset circular knife.
This type of cutting out has the advantage that the reaction of the chip, which can be relatively rigid and resistant in the case of printed products in the form of scales, is to be kept low.
the known cutting devices are characterized by the table-shaped design due to the associated transport devices.
the transport path describes a flat surface because the material to be cut is fed in and out in a straight line.
the footprint of such cutting devices is large, and their characteristic structure also means that the entire processing line, on which the production runs in-line from the roll via the printing press and other units to the ready-to-use printed product, is relatively elongated.
the cutting out affects an application of increasing importance because of the production versatility that can be achieved with it, because it enables the customary format division, which is based on the circumference of the printing cylinder and mostly involves transverse folds, to be avoided. This results in a greater variety of products with regard to small, more manageable printed products.
the circumference of the printing cylinder is divided into three product lengths, for example, a section is designed whose length corresponds to a single or multiple of the circumference of the printing cylinder. This section is subsequently rotated by 90 ° with respect to the transport direction so that the product edges or image edges originally lying transverse to the web development direction come to lie parallel to the transport direction.
Cutouts are used when there are pressure-free zones or overfills with overlapping printed images that have to be removed between the adjacent print products.
the object of the present invention is to limit the cutting device which enables cutting out to the smallest possible space and at the same time also favorable conditions for cutting out to create the necessary contact pressure of the printed products in the form of a stream.
the features of the characterizing part of claim 1 include that with the cutting device the scale stream is cut and turned simultaneously in one operation.
the counter knife device also has the role of a transfer cylinder, the scale stream exits with the trimmed sections in the opposite direction to the feed direction, and the exit the cutting device is thus on the side of the entrance.
each offset circular knife also normally requires a counter knife
the cutting device according to the invention manages with only one counter knife device in the case of two offset circular knives.
An advantageous further development relates to the change in the cutting distances or the width of the chip produced when cutting out by means of intermediate rings of different widths which are seated on the shaft of the counter knife device.
the required synchronization of the sequence of the lower and upper band lines with the rotary movement of the circular knives and the counter knife device is achieved by using toothed belts for the band lines on the one hand and toothed belt pulleys in connection with the circular knives and the counter knife device on the other hand.
the feed belt 10 takes over the transport of the printed products in the form of scales as sections P B to the cutting device.
the dimension of the visible lateral edge of a section P B results from the width of the folded or unfolded web strands; the dimension of the section P B transversely to the feed belt is approximately the width B comprising several product lengths.
the cutting device consists of deflection rollers 6, 7, 8, 9, set up for the strip lines, a deflection drum 3 and the core piece, the counter knife device 1 and the circular knives 2.
the loop of the lower band line 4 includes the deflecting rollers 6, 9 and the counter knife device 1; the loop of the upper ribbon line 5 runs over the deflection rollers 7, 8, the deflection drum 3 and the circular knife 2. It goes without saying that the unwinding in one loop runs in the opposite direction to the unwinding in the other loop.
the transport path of the printed products within the cutting device extends from the input E via the deflection drum 3 and the counter knife device 1 with the circular knives 1 set to the output A.
input E and output A are a pull-in or discharge gap between the lower and upper ribbon lines 4, 5 educated.
the conveyor belt 11 is arranged for the removal of the trimmed products P b .
the difference in height H that can be found between the feed belt 10 and the conveyor belt 11 is due to the arrangement of the deflection drum 3 located approximately above the counter knife device 1 within the cutting device. In connection with this, a change of curvature takes place for the lower and upper ribbon lines 4, 5, and a larger wrap around the ribbon line and thus the printed products is achieved in the area of the counter knife device 1.
the diameter of the deflection drum 3 is selected so that the printed products are not subject to buckling during their contact with them, but their position in the scale flow is stabilized by the predetermined curvature.
the diameter of the counter-blade apparatus 1 must be such that a suitable spacing of the staggered blade 2 can be achieved and that the accessibility of the circular blade 2 g e - is ensured. Furthermore, the diameter of the counter knife device 1 depends on the size of the grooved rings 1/1 to be used. As can be seen, the upper ribbon line 5 runs on a pitch circle of the drive and tensioning body 2/1, which is smaller than the pitch circle attributable to the cutting edge of the circular knife 2.
Deflection rollers 6, 7, 8, 9, deflection drum 3 and counter knife device 1 are mounted as rotating bodies on shafts which extend between frame walls (not shown).
the rods 2/3, on which the brackets 2/2 for the circular knives 2 are fastened in a clampable and pivotable manner, are equally fixedly mounted.
the adjustment drive 2/4 enables precise adjustment of the circular knife 2 with respect to the counter knife device 1 with respect to the penetration depth.
the lower and upper ribbon cables 4/5 are driven via the output-side deflection rollers 8.9. Due to the friction of the rope or the positive locking of the toothed belt drive, a drive transmission also takes place to the other rotating bodies involved in the loops of the lower and upper ribbon cables 4, 5. Tensioning elements which engage the belts or belts of the lower and upper belt line are arranged in a known manner.
the printed products arrive at the removal belt 11, trimmed as individual sections P b lying transversely to the transport direction.
the dimension of the visible lateral edge of an individual section P b again results from the width of the folded or unfolded web strands; the dimension of the individual sections P b transversely to the conveyor belt 11 obeys the set cutting width.
the multiple cut-out leads to a corresponding number of juxtaposed, ready-to-use cut printed products P b , which can be stacked immediately afterwards, for example.
Shavings from cutting out are continuously removed in a known manner, not shown here.
FIG. 2 shows the view X of the cutting device in relation to the main parts belonging to the arrangement of the circular knives 2 and the counter knife device 1.
the drum-shaped counter-knife device consists essentially of rows of rings which are applied to the shaft 1/3 so that they can be clamped and moved.
Grooved rings 1/1 are flanged on both sides of the intermediate rings 1/2, which can be designed in different widths to match the cutting distances to be used.
the distance between the groove rings 1/1, which carry projections in the direction of the groove, so that a groove ring 1/1 with the opposite groove ring 1/1 results in a dovetail-shaped profile determines the width of the cutout or the chip.
the cover rings 1/5 form the lateral end of the structure of the counter knife device 1 consisting of rings.
the groove ring 1/1 with a shoulder of the intermediate ring 1/2 forms the guide groove 1/4 to be specified for guiding a band of the lower band line. This means that the ribbon cable takes the smallest possible parallel distance to the cutting line.
the pressure and transport of the printed products can be improved further on account of the rubber-elastic property of the belts and the influence on the coefficient of friction.
the guide groove provided for the belt run can also be obtained by means of flanged toothed belt pulleys in order to design the drive with a positive fit.
the translation of the toothed belt pulleys is selected so that the intended advance is achieved.
the circular knives 2 are fastened to drive and clamping bodies 2/1, which are mounted on the ends of pivotable and clampable brackets 2/2.
the brackets 2/2 'of the circular knife 2' which make one side of the cutout and therefore show the same orientation, are connected via an upper rod 2/3 '; the holders 2/2 "for the offset circular knives 2", which make the other side of the cutout, are correspondingly arranged on a lower rod 2/3 ".
the upper and lower rods 2/3 ', 2/3" extend in turn between the frame walls not shown.
Each circular knife 2 is thus individually suspended and can be individually adjusted both laterally in accordance with the cutting distances and with respect to the penetration depth in the cutting groove formed by the grooved rings 1/1. This also results in practical handling for readjustment in the event of wear.
adjustment the penetration depth is carried out with the adjustment drive 2/4 shown in FIG. 1. Due to the individual suspension of the circular knives, each circular knife requires 2 individual drives. For this purpose, a band engages in a toothed belt pulley integrated in the drive and tensioning body 2/1.
Fig. 2 shows again clearly that the rolling outer surfaces of the counter knife device 1 and the drive and tensioning bodies 2/1 coming into contact with the scale flow run at a peripheral speed which is equal to the speed of the outer fiber of the bands of the lower and upper band lines 4 , 5 is.
the cutting edges run faster because of their larger diameter.
the present embodiment results systematically with 4 pairs of circular knives 2, each with a set of circular knives on the upper one

Landscapes

Life Sciences & Earth Sciences (AREA)
Forests & Forestry (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Treatment Of Fiber Materials (AREA)
Nonmetal Cutting Devices (AREA)
Containers And Plastic Fillers For Packaging (AREA)
Details Of Cutting Devices (AREA)
Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

EP86108977A 1985-07-09 1986-07-02 Dispositif pour rogner des produits imprimés délivrés en chevauchement Expired - Lifetime EP0208244B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT86108977T ATE70762T1 (de)	1985-07-09	1986-07-02	Vorrichtung zum kontinuierlichen laengsschneiden schuppenfoermiger ausliegender druckprodukte.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19853524512 DE3524512A1 (de)	1985-07-09	1985-07-09	Vorrichtung zum kontinuierlichen laengsschneiden schuppenfoermiger ausliegender druckprodukte
DE3524512		1985-07-09

Publications (3)

Publication Number	Publication Date
EP0208244A2 true EP0208244A2 (fr)	1987-01-14
EP0208244A3 EP0208244A3 (en)	1988-09-28
EP0208244B1 EP0208244B1 (fr)	1991-12-27

Family

ID=6275331

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP86108977A Expired - Lifetime EP0208244B1 (fr)	1985-07-09	1986-07-02	Dispositif pour rogner des produits imprimés délivrés en chevauchement

Country Status (3)

Country	Link
EP (1)	EP0208244B1 (fr)
AT (1)	ATE70762T1 (fr)
DE (1)	DE3524512A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2223769A (en) *	1988-10-11	1990-04-18	Monforts Gmbh & Co A	Apparatus for trimming fabric selvedges
EP0450338A1 (fr) *	1990-04-02	1991-10-09	Grapha-Holding Ag	Procédé pour découper latÀ©ralement des produits d'impression consistant en papier à plat
EP0596747A1 (fr) *	1992-11-06	1994-05-11	Curwood, Inc.	Emballage facile à ouvrir, film et procédé de fabrication

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3916076C1 (en) *	1989-05-17	1990-11-15	Adolf 8037 Olching De Weingartner	Continuous longitudinal cutter for overlapping printed prods. - has top belt guide of mutually tangentially offset conveyor sections, with gap between two circular blades
DE3931158A1 (de) *	1989-09-19	1991-03-28	Roland Man Druckmasch	Vorrichtung fuer den dreiseitigen beschnitt von druckexemplaren

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE641235C (de) *	1935-03-23	1937-01-25	Goebel A G	Vorrichtung zum Laengsschneiden von Bahnen aus Papier, Pappe, Metall, Zellhorn o. dgl.
US2292723A (en) *	1941-12-10	1942-08-11	Cameron Machine Co	Web severing mechanism
DE1077051B (de) *	1957-03-22	1960-03-03	Kampf Maschf Erwin	Messerwelle fuer Rollenschneidmaschinen, insbesondere zum Schneiden von Papierbahnenod. dgl.
DE2514837C2 (de) *	1975-04-04	1985-01-31	Maschinenbau Oppenweiler Gmbh, 7155 Oppenweiler	Vorrichtung zum Schneiden von flachen, biegsamen Gegenständen mit einem Rundmesser
DE7640062U1 (de) *	1976-12-22	1978-09-14	Koenig & Bauer Ag, 8700 Wuerzburg	Einrichtung zum besaeumen von gefalzten signaturen
DE3022772A1 (de) *	1980-06-18	1982-01-07	Andreas Neumann	Vorrichtung zum schneiden von prospekten, bedruckten blaettern o.dgl. gegenstaenden
DE8401628U1 (de) *	1984-01-20	1984-09-13	Gämmerler, Hagen, 8021 Icking	Vorrichtung zum kontinuierlichen trennen von blattfoermigen gebilden

1985
- 1985-07-09 DE DE19853524512 patent/DE3524512A1/de active Granted
1986
- 1986-07-02 EP EP86108977A patent/EP0208244B1/fr not_active Expired - Lifetime
- 1986-07-02 AT AT86108977T patent/ATE70762T1/de not_active IP Right Cessation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2223769A (en) *	1988-10-11	1990-04-18	Monforts Gmbh & Co A	Apparatus for trimming fabric selvedges
GB2223769B (en) *	1988-10-11	1992-11-25	Monforts Gmbh & Co A	Apparatus for trimming fabric selvedges
EP0450338A1 (fr) *	1990-04-02	1991-10-09	Grapha-Holding Ag	Procédé pour découper latÀ©ralement des produits d'impression consistant en papier à plat
EP0596747A1 (fr) *	1992-11-06	1994-05-11	Curwood, Inc.	Emballage facile à ouvrir, film et procédé de fabrication

Also Published As

Publication number	Publication date
EP0208244A3 (en)	1988-09-28
ATE70762T1 (de)	1992-01-15
EP0208244B1 (fr)	1991-12-27
DE3524512A1 (de)	1987-01-22
DE3524512C2 (fr)	1987-08-06

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1986-11-29	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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1992-10-29	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-10-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-12-16	26N	No opposition filed
1994-10-03	EPTA	Lu: last paid annual fee
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 86108977.9
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