EP1480903A1 - Cutting device for the transverse cutting of at least one material web - Google Patents
Cutting device for the transverse cutting of at least one material webInfo
- Publication number
- EP1480903A1 EP1480903A1 EP03743293A EP03743293A EP1480903A1 EP 1480903 A1 EP1480903 A1 EP 1480903A1 EP 03743293 A EP03743293 A EP 03743293A EP 03743293 A EP03743293 A EP 03743293A EP 1480903 A1 EP1480903 A1 EP 1480903A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting
- cutting device
- cylinder
- transport cylinder
- transport
- Prior art date
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/28—Folding in combination with cutting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
Definitions
- Cutting device for cross cutting at least one material web
- the invention relates to a cutting device for cross-cutting at least one material web, a transport cylinder of a folder, and a method for operating a folder according to the preamble of claims 1, 22, 23 or 25.
- Such a cutting device is used for. B. used to break down printed paper webs into individual signatures in a web-fed rotary printing press.
- Known cutting devices of this type comprise a transport cylinder and a cutting cylinder, which can be rotated together and delimit a gap through which a transport path for the material web to be cut runs, and the cutting cylinder carries at least one knife, each of which cuts a signature off the material web when it is passes through the gap.
- the invention has for its object to provide a cutting device for cross cutting at least one material web and transport cylinder of a folder.
- the advantages that can be achieved with the invention are, in particular, that they are Merging two material webs, which are fed to the transport cylinder on the two transport routes, enables a common product or the processing of a material web with a very large number of layers is made possible by joining together two partial webs.
- tension rollers which are conventionally provided for setting a required tension of the material web, only act directly on the outermost layers of the material web; their force is transmitted to the inner layers only indirectly by friction between the material layers. These frictional forces cannot be precisely controlled, especially not when the web has to be steered around curves, i.e. H. wrapped around a roller. Therefore the tension of the inner layers of such a web is more difficult to control, the greater the number of webs. The greater the number of layers, the greater the forces required to process a web, be it cutting or puncturing puncture holes in the web. These forces are reduced in the cutting device. As a result, the cutting device can be built lighter and therefore cheaper than a conventional one without loss of quality.
- the rotation of the two cutting cylinders is preferably synchronized such that the second cutting knife passes through the second cutting gap to a cut produced by the first cutting knife the first track hits.
- means are preferably provided to move apart the cut edges produced by the first knife when cutting the first web on the latter, so that the second knife passes through it encounters a gap of non-vanishing width in the first path through the gap.
- the cutting device is preferably part of a folding apparatus, in particular the transport cylinder can simultaneously function as a folding knife cylinder of the folding apparatus.
- Fig. 1 is a schematic side view of a folder with a
- 2 to 5 are partial sections of the transport cylinder and a cutting cylinder in different configurations of the invention.
- Fig. 7 shows a different mode of operation.
- Fig. 1 shows a schematic side view of a folder.
- This folder has two inlets 01; 02 for multi-layer material webs 03; 04, in particular paper webs 03; 04, which are referred to as inner or outer web 03; 04 can be designated.
- Both lanes 03; 04 each pass through a pair of pull rollers 06; 07 to adjust their tension and hit a transport cylinder 11 in each case in the amount of cutting gaps 08; 09 between the transport cylinder 11 on the one hand and one of the Cutting cylinder 12; 13 on the other hand.
- the railways contact 03; 04 preferably first the respective cutting cylinder 12; 13 and then the transport cylinder 11, ie the webs 03; 04 first wrap around the cutting cylinder 12; 13 and then the transport cylinder 11.
- Each cutting cylinder 12 or 13 has a circumference corresponding to at least one, preferably two lengths of the lengths 03; 04 to produce signatures and carries two cutting knives 14.
- the circumference of the transport cylinder 11 corresponds to more than five, in particular seven, lengths of the signature.
- Each of the abutments 15 is adjacent to a holding device 16, for. B. puncture strip 16 with extendable puncture needles 23 (see FIGS. 2 to 5) arranged on the transport cylinder 11.
- a cutting knife 14 of the cutting cylinder 12 and an abutment 15 of the transport cylinder 11 have just passed through the cutting gap 08 and thereby cut through the inner path 03.
- the leading edge of the inner path 03 formed during cutting is at the pin needles 23 a puncture bar 16 extended shortly before reaching the cutting gap 08, which also hold it firmly on the surface of the transport cylinder 11 during further transport.
- the signature cut off in this way from the inner web 03 is conveyed further on the transport cylinder 11 to the cutting gap 09, where the outer web 04 lies over it and is also impaled by the puncture needles 23 of the puncture strip 16.
- the rotation of the two cutting cylinders 12; 13 is synchronized so that a cutting knife 14 of the cutting cylinder 13 always passes through the cutting gap 09 simultaneously with a narrow gap between two successive signatures cut from the inner web 03 and an abutment 15. Different techniques for generating this gap are explained below with reference to FIGS. 2 to 5.
- the angular distance between the two cutting gaps 08; 09 is approx. 50 ° in the example shown here. This angular distance can deviate from the angular distance of the puncture strips 16 from one another (51, 5 °) or a multiple thereof, so that the two cutting gaps 08; 09 is cut at the same time; even a half-fold multiple of this value is unfavorable from the point of view of avoiding vibrations.
- each puncture strip 16 After passing through the cutting gap 09, each puncture strip 16 carries an overall product which is composed in each case of a signature cut off from the inner web 03 and a signature cut off from the outer web 04. With each revolution of the transport cylinder 11, seven products are produced, just as if both tracks 03; 04 in a conventional manner via a common inlet 01; 02 would be supplied. However, since the cutting off of each individual signature involves two cutting steps at the cutting gaps 08; 09 distributed, the force to be applied in each cutting step is lower, and satisfactory synchronization of the machine is easier to maintain.
- FIG. 1 shows a detailed view of the cutting gap 09 and its surroundings according to a first embodiment of the invention. Two of the seven puncture strips 16 of the transport cylinder 11 are shown in FIG. 2 and with puncture strips 16 '; 16 ".
- Both can be pivoted in a controlled manner about a shaft 22 and carry pin needles 23 which are oriented in such a way that their tip protruding from the circumference of the transport cylinder 11 is further away from the center of the shaft 22 than its base located within the transport cylinder 11
- the puncture needles 23 of the puncture strip 16 ' are in a comparatively far extended position in which they have previously also passed through the cutting gap 08. This same position is shown in dashed lines at the location of the puncture strip 16 ".
- the puncture strip 16 is pivoted back a little into the interior of the transport cylinder 11. This pivoting movement causes a displacement of the intersection point between the puncture needles 23 and the surface of the transport cylinder 11 against its direction of rotation. This displacement means that the puncture strip 16" held signature 24 slightly shifted in the direction opposite to the direction of rotation of the transport cylinder 11 compared to the position in which it was cut off from the inner web 03 at the cutting gap 08. After passing through the cutting gap 09, the puncture strip 16 "returns to the position shown in dashed lines or even changes to an even further extended position in order to cancel or overcompensate for the backward displacement of the signature 24.
- the signature is created in each case 24 and a signature 27 which was cut off immediately beforehand, a narrow gap 26 into which the cutting knife 14 engages and can thus press and cut the outer web 04 against the abutment 15 without running the risk of again cutting one of the signatures 24; 27.
- Fig. 3 shows an alternative embodiment of the transport cylinder 11 and Cutting cylinder 13 in a partial section analogous to that of FIG. 2.
- the cutting cylinder 13 has for each cutting knife 14 a ledge 28 projecting over its outer circumference, which passes through the cutting gap 09 shortly before the assigned cutting knife 14.
- a complementarily shaped groove 29 on the transport cylinder 11 lies opposite the bar 28 with each passage of the gap, so that the bar 28 presses a trailing edge region of the signature 27 cut off from the inner path 03 and the outer path 04 into the groove 29.
- the trailing edge of the signature 27 is drawn forward and the gap 26 is opened. It is therefore not necessary in this embodiment for the puncture strip 16 ′′ to pivot outwards again after it has passed through the cutting gap 09 in order to create the gap 26.
- a third embodiment is again shown in FIG. 4 on the basis of a partial section of the transport cylinder 11 and the cutting cylinder 13.
- the cutting cylinder 13 is identical to that of FIG. 2, the transport cylinder 11 differs in the arrangement of the shafts 22 about which the puncture strips 16 can be pivoted. 2 and 3, these shafts 22 lie in the direction of rotation of the transport cylinder 11 in front of the puncture needles 23, in the embodiment of FIG. 4 they are arranged behind them.
- the orientation of the puncture needles 23 with respect to the surface of the transport cylinder 11 is the same in all cases, they are inclined slightly towards the surface normal in the direction of rotation of the transport cylinder 11, so that a material impinged on the puncture needles 23 exerts tension against the material Keeps surface of the transport cylinder 11 pressed.
- the changed arrangement of the shafts 22 results in a changed sequence of the swiveling movement, which here with 16 *; 16 ** designated puncture bars.
- the puncture strip 16 * which is still far away from the cutting gap 09, is in a comparatively little extended position in which its puncture needles 23 extend far enough beyond the circumference of the transport cylinder 11 to hold the inner web 03. Only shortly before the cutting gap 09 is reached, the puncture strip 16 * is extended further to to puncture the outer path 04, as can be seen from the puncture bar 16 **.
- the outward movement of the puncture needles 23 causes a displacement of their intersection with the circumference of the transport cylinder 11 against its direction of movement and thus a movement of the leading edge of the signature 24 held by the puncture bar 16 ** from the point of impact of the cutting knife 14 onto the abutment 15.
- the puncture needles 23 of the puncture strip 16 *** are pulled back a little further into the transport cylinder 11 in order to advance the signature 27 held by them in the circumferential direction and thus open the gap 26 at the level of the abutment 15
- FIG. 5 A fourth embodiment of the cutting device is again shown in FIG. 5 in a view analogous to FIG. 4.
- segments 32 *, 32 **, ... are arranged on the circumference of the transport cylinder 11 between two successive puncture strips 16 *, 16 * *, 16 ***, ... for increasing the circumference.
- Each of these segments 32 *, 32 **, ... is composed of a plurality of flexible lamellae which are arranged next to one another in the axial direction of the transport cylinder 11 and are spaced apart by gaps. This column is used when transferring the finished cut signatures 24; 27 on the folding jaw cylinder 18 in each case as outlet openings for tines of a folding knife (not shown).
- the ends of the slats are each anchored on head strips 33 which can be displaced in the circumferential direction of the transport cylinder 11.
- the segment 32 * is in a configuration in which the course of its slats corresponds to the cylindrical shape of the transport cylinder 11. After such a segment 32 * has passed through the cutting gap 09, the head strips 33 of the cutting gap 09 approach each other moved so that its slats, as shown on the segment 32 **, form a projection that extends beyond the circumference of the transport cylinder 11. As a result of this projection, the distance between the puncture strips 16 ** and 16 *** measured along the surface of the transport cylinder 11 is greater than that between the puncture strips 16 * and 16 **, the latter corresponding to the length of the signatures 24 generated at the cutting gap 08; 27. The bulge of the segment 32 ** therefore causes the gap 26 to arise between the signatures 24 and 27, into which the cutting knife 14 of the cutting cylinder 13 can engage.
- the second cross-cutting device 11, 13 is arranged on the circumference of the transport cylinder 11 with a phase shift.
- the first cross cutting device 11, 12 is cut onto the transport cylinder 11 shortly next to, in particular 10 mm next to, the other cut of the second cross cutting device 11, 13.
- the first and second cross-cutting devices 11, 13 are arranged on the transport cylinder 11 in the circumferential direction.
- a further transport cylinder for accepting the signatures can also be connected downstream in all operating modes, which in turn can be followed by a folding jaw cylinder or a belt system.
- each of the tracks 03; 04 the same pattern A or B one after the other, ie in the direction of transport.
- These patterns A and B are preferably printed with at least one forme cylinder of a printing unit, which bears two identical patterns A or B on the circumference.
- the railways 03; 04 are guided one above the other so that signatures with patterns A and B lying one above the other are formed, each of which passes in the gap 17 to the subsequent falcon flap cylinder 18.
- the transport cylinder 11 do not necessarily have an odd division, but can also have an even division, preferably greater than 4 or 6.
- the patterns A, B, C, D preferably each designate two newspaper pages, A1, A2; B1, B2; C1, C2; D1, D2 each designate a newspaper page.
- Bahn 03 is at least one lane 03; 04 is to be understood, but preferably one of several tracks 03; 04 to understand existing strand.
- the tracks 03; 04 are each printed with forme cylinders of printing units that either have a pattern A or B on the circumference (single circumference) or two patterns A or B on the circumference (double circumference). In the case of double-circumferential form cylinders, two identical patterns A, A and B, B or two different patterns A, B can be arranged on the circumference.
- the tracks 03; 04 in a first mode of operation, the same patterns A and C in succession and the same products are formed on the transport cylinder 11 in succession with each revolution and delivered directly to the subsequent jaw cylinder 18.
- signatures of patterns A, C, B, D on the puncture strips 16 are alternating with puncture strips 16 which only carry signatures with patterns A, C, the signatures, i.e. H. the product with patterns A, C, B, D of every second field and the jaw cylinder 18 are handed over.
- each puncture bar 16 carries products with patterns A, C, which are transferred directly to the folding jaw cylinder 18 when it is reached.
Landscapes
- Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
- Treatment Of Fiber Materials (AREA)
- Nonmetal Cutting Devices (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20080171447 EP2030935B1 (en) | 2002-03-04 | 2003-02-28 | Cutting device for the transverse cutting of at least one material web |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10209190 | 2002-03-04 | ||
DE2002109190 DE10209190B4 (en) | 2002-03-04 | 2002-03-04 | Cutting device for cross cutting at least one material web |
PCT/DE2003/000673 WO2003074402A1 (en) | 2002-03-04 | 2003-02-28 | Cutting device for the transverse cutting of at least one material web |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20080171447 Division EP2030935B1 (en) | 2002-03-04 | 2003-02-28 | Cutting device for the transverse cutting of at least one material web |
EP08171447.9 Division-Into | 2008-12-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1480903A1 true EP1480903A1 (en) | 2004-12-01 |
EP1480903B1 EP1480903B1 (en) | 2010-03-17 |
Family
ID=27770928
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20030743293 Expired - Lifetime EP1480903B1 (en) | 2002-03-04 | 2003-02-28 | Cutting device for the transverse cutting of at least one material web |
EP20080171447 Expired - Lifetime EP2030935B1 (en) | 2002-03-04 | 2003-02-28 | Cutting device for the transverse cutting of at least one material web |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20080171447 Expired - Lifetime EP2030935B1 (en) | 2002-03-04 | 2003-02-28 | Cutting device for the transverse cutting of at least one material web |
Country Status (9)
Country | Link |
---|---|
US (1) | US7351189B2 (en) |
EP (2) | EP1480903B1 (en) |
JP (1) | JP4032029B2 (en) |
CN (1) | CN1283535C (en) |
AT (2) | ATE461148T1 (en) |
AU (1) | AU2003227014A1 (en) |
DE (3) | DE10209190B4 (en) |
RU (1) | RU2283269C2 (en) |
WO (1) | WO2003074402A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006042592B4 (en) * | 2006-09-11 | 2009-04-09 | Koenig & Bauer Aktiengesellschaft | folding |
DE102007025797B4 (en) * | 2007-06-02 | 2009-02-26 | Koenig & Bauer Aktiengesellschaft | folding |
DE102013017224A1 (en) * | 2013-10-17 | 2015-04-23 | Manroland Web Systems Gmbh | Method and device for processing a printing material web |
EP3207803A1 (en) * | 2016-02-17 | 2017-08-23 | Haas Food Equipment GmbH | Method of and device for cutting dough output by an extrusion machine |
DE102018108982A1 (en) * | 2018-04-16 | 2019-10-17 | Manroland Goss Web Systems Gmbh | Clamping lever for attaching machining tools to a rotatably mounted element of a printing press |
CN111055316A (en) * | 2020-01-23 | 2020-04-24 | 广东金玉兰包装机械有限公司 | Paper scrap removing blade and paper box cutting mechanism thereof |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE239837C (en) | ||||
US2891791A (en) * | 1955-12-19 | 1959-06-23 | Miehle Goss Dexter Inc | Jaw folding mechanism |
DE2846191C3 (en) * | 1978-10-24 | 1981-08-13 | Koenig & Bauer AG, 8700 Würzburg | Folder for web-fed rotary printing machines |
DE3139117C1 (en) * | 1981-10-01 | 1983-04-21 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Variable folder with a pair of cutting cylinders and a pair of tear-off rollers arranged below this |
DE3151283C1 (en) * | 1981-12-24 | 1983-04-21 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Folder |
DE3527710A1 (en) * | 1985-08-02 | 1987-02-12 | Roland Man Druckmasch | FOLDING APPARATUS FOR CROSS FOLDING PRINTED COPIES |
US4754959A (en) | 1985-08-02 | 1988-07-05 | M.A.N. Roland Druckmaschinen Aktiengesellschaft | Folding apparatus for transverse folding and transporting of two types of printed substrates |
DE3637110C1 (en) * | 1986-10-31 | 1988-05-19 | Heidelberger Druckmasch Ag | Device for cutting and dividing a continuous flow of printed products |
US5024128A (en) * | 1989-02-21 | 1991-06-18 | Campbell Jr Gaines P | Sheeter for web fed printing press |
DE4316134C2 (en) | 1993-05-13 | 1997-03-13 | Heidelberger Druckmasch Ag | Process for the transverse folding of webs and folder for carrying out the process |
DE9320814U1 (en) * | 1993-12-24 | 1995-02-09 | Koenig & Bauer AG, 97080 Würzburg | Device for producing folded products |
DE4344362C2 (en) | 1993-12-24 | 1998-02-26 | Koenig & Bauer Albert Ag | Device for producing folded products |
JPH10194588A (en) | 1997-01-07 | 1998-07-28 | Toshiba Mach Co Ltd | Two-way folder for printer |
US7338425B1 (en) * | 2000-01-12 | 2008-03-04 | Goss International Americas, Inc. | Variable length cutting device |
DE10116346B4 (en) * | 2001-04-02 | 2006-03-02 | Koenig & Bauer Ag | folding |
US6733431B2 (en) * | 2001-09-19 | 2004-05-11 | Heidelberger Druckmaschinen Ag | Device and method for folding newspapers with flexible inserting position |
DE10209214B4 (en) * | 2002-03-04 | 2004-03-25 | Koenig & Bauer Ag | cutter |
DE20321547U1 (en) * | 2003-06-12 | 2007-11-29 | Man Roland Druckmaschinen Ag | Cutting cylinder for cross-cutting a substrate web in a rotary printing machine |
-
2002
- 2002-03-04 DE DE2002109190 patent/DE10209190B4/en not_active Expired - Fee Related
-
2003
- 2003-02-28 AT AT03743293T patent/ATE461148T1/en active
- 2003-02-28 AU AU2003227014A patent/AU2003227014A1/en not_active Abandoned
- 2003-02-28 US US10/505,872 patent/US7351189B2/en not_active Expired - Fee Related
- 2003-02-28 AT AT08171447T patent/ATE460376T1/en active
- 2003-02-28 DE DE50312521T patent/DE50312521D1/en not_active Expired - Lifetime
- 2003-02-28 DE DE50312508T patent/DE50312508D1/en not_active Expired - Lifetime
- 2003-02-28 EP EP20030743293 patent/EP1480903B1/en not_active Expired - Lifetime
- 2003-02-28 RU RU2004120788A patent/RU2283269C2/en not_active IP Right Cessation
- 2003-02-28 JP JP2003572882A patent/JP4032029B2/en not_active Expired - Fee Related
- 2003-02-28 EP EP20080171447 patent/EP2030935B1/en not_active Expired - Lifetime
- 2003-02-28 WO PCT/DE2003/000673 patent/WO2003074402A1/en active Application Filing
- 2003-02-28 CN CNB038040824A patent/CN1283535C/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO03074402A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1633387A (en) | 2005-06-29 |
RU2283269C2 (en) | 2006-09-10 |
WO2003074402A1 (en) | 2003-09-12 |
JP2005519007A (en) | 2005-06-30 |
ATE461148T1 (en) | 2010-04-15 |
WO2003074402B1 (en) | 2004-03-04 |
DE10209190A1 (en) | 2003-09-25 |
US7351189B2 (en) | 2008-04-01 |
CN1283535C (en) | 2006-11-08 |
DE50312521D1 (en) | 2010-04-29 |
EP2030935A1 (en) | 2009-03-04 |
AU2003227014A1 (en) | 2003-09-16 |
DE50312508D1 (en) | 2010-04-22 |
EP2030935B1 (en) | 2010-03-10 |
RU2004120788A (en) | 2005-05-27 |
ATE460376T1 (en) | 2010-03-15 |
EP1480903B1 (en) | 2010-03-17 |
DE10209190B4 (en) | 2004-03-04 |
US20050160889A1 (en) | 2005-07-28 |
JP4032029B2 (en) | 2008-01-16 |
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