EP1626845A1 - Längsschneidemaschine mit gekühltem messerblatt - Google Patents
Längsschneidemaschine mit gekühltem messerblattInfo
- Publication number
- EP1626845A1 EP1626845A1 EP04721832A EP04721832A EP1626845A1 EP 1626845 A1 EP1626845 A1 EP 1626845A1 EP 04721832 A EP04721832 A EP 04721832A EP 04721832 A EP04721832 A EP 04721832A EP 1626845 A1 EP1626845 A1 EP 1626845A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- knife
- machine according
- slitting machine
- cutting
- nozzle
- 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
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/08—Means for treating work or cutting member to facilitate cutting
- B26D7/10—Means for treating work or cutting member to facilitate cutting by heating
-
- 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
- B26D1/04—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 linearly-movable cutting member
- B26D1/06—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 linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/10—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 linearly-movable cutting member wherein the cutting member reciprocates in, or substantially in, a direction parallel to the cutting edge
-
- 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
-
- 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
- Y10T83/263—With means to apply transient nonpropellant fluent material to tool or work
-
- 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
- Y10T83/283—With means to control or modify temperature of apparatus or work
- Y10T83/293—Of tool
Definitions
- the invention relates to a longitudinal cutting machine for cutting a material web guided through the longitudinal cutting machine with a cutting arrangement having at least one upper knife for the material web guided by the cutting arrangement over the cutting point formed by the upper knife.
- a longitudinal cutting machine with the aforementioned generic features is known from US 3 185 010.
- Such longitudinal cutting machines have applications in which the material to be cut, depending on the ambient temperature, more or less impairs the cutting process. For example, when cutting material webs coated with an adhesive material, frequent material remnants stick to the knives, and the temperature rising at the cutting point due to the cutting friction can also impair the cutting result, which is particularly true for the high cutting speeds sought.
- the invention is therefore based on the object of providing a longitudinal cutting machine with the generic features which enables a better cutting result with temperature-sensitive materials, even at high cutting speeds.
- the basic idea of the invention provides that the knife blade of the upper knife can be acted upon with at least one nozzle aligned with the upper knife with a cooling medium such that the temperature of the knife blade does not exceed a predetermined temperature during the cutting operation of the longitudinal cutting machine.
- the invention is aimed at cooling the knife blade of the upper knife in a longitudinal cutting machine by applying a suitable cooling material or to keep the temperature of the knife blade below a set temperature even during the cutting process, so that even at very high temperatures
- a plurality of nozzles which are arranged distributed over the circumference of the circular knife blade and are directed towards the knife blade are provided; alternatively, it can also be provided that a nozzle, which extends over the circumference of the circular knife blade and is designed in the manner of an annular gap, is provided.
- the knife is designed as a long knife and a plurality of nozzles arranged at a distance from one another over the length of the knife edge of the long knife is provided ; alternatively, it can also be provided that the knife is designed as a long knife and that a slot-shaped nozzle extending over the length of the knife edge is provided.
- the nozzle for the cooling medium to be passed through is aligned with the inner side of the knife blade which rests against the lower knife in the case of a scissor cut; since, in this cutting area in particular, the occurrence of buildup of the material web is most likely, the invention starts here by cooling the inside of the knife blade.
- the knife blade of the upper knife can be acted upon by the cooling medium from nozzles arranged on both sides.
- it can be provided to cool the knife edge in particular, and for this purpose, according to one embodiment of the invention, it is provided that at least one nozzle is aligned with the knife edge in a radial arrangement with respect to the knife blade.
- a nozzle arrangement is set up to act on a plurality of knife blades when the knife blades are arranged at a short distance from one another. Such an arrangement is particularly suitable for very narrow cutting widths.
- a constant flow of cooling medium can be passed through the nozzles or the cooling medium is applied to the nozzles at time intervals.
- the upper knife including the nozzle aligned on its knife blade, is enclosed by a housing, it being possible for a suction device for the applied cooling medium to be connected to the housing.
- the housing with an associated nozzle arrangement can accordingly include a plurality of knife blades.
- a temperature sensor for detecting the respective temperature of the upper knife is assigned to the knife blade.
- At least one nozzle is aligned with the area of the material web which has already been cut and which lies behind the cutting point and surrounds the cutting edge in the material web.
- the lower knife assigned to the upper knife is designed as a lower knife shaft with cutting edges arranged thereon and the lower knife shaft is set up to pass the cooling medium through.
- the invention is also suitable for cutting arrangements operating in a squeeze cut, and if the upper knife works against a shaft, the shaft can also be set up for cooling the upper knife by passing the coolant through it.
- cooled air, an inert cooling gas, a liquid nitrogen or a liquid carbon dioxide can be supplied as the cooling medium; other suitable media can be used in the context of the invention.
- Fig. 1 shows a cutting arrangement consisting of one on one
- Knife holder held, upper knife designed as a circular knife, and from an associated lower knife with cooling nozzle,
- FIG. 2 shows the cutting arrangement according to FIG. 1 with a plurality of
- FIG. 3 shows a cutting arrangement in another embodiment with upper knives arranged on a knife shaft, including assigned cooling nozzles,
- FIG. 4 shows the cutting arrangement according to FIG. 1 with an additional cooling area for the material web arranged before it passes through the cutting arrangement
- 5 shows the cutting arrangement according to FIG. 1 with an additional cooling area for the material web arranged behind the passage through the cutting arrangement
- Cooling nozzles Cooling nozzles.
- FIG. 7 shows a further exemplary embodiment of the cutting arrangement according to FIG. 1 with a radially arranged nozzle and a housing with a suction device
- an upper knife designed as a circular knife 12 is held on a knife holder 10 by means of a lowering device 11 and is enclosed by a hand guard 13.
- a lower knife 15 is assigned to the knife blade 14 of the circular knife 12 in such a way that a cutting point 16 results through which a material web 17 is guided in the transport direction indicated by the arrow 18.
- a nozzle 19 is aligned with the knife blade 14 in order to cool the knife blade 14 by passing a suitable cooling medium through the nozzle 19 before the assigned knife edge respectively the cutting point
- corresponding nozzles can be formed on both sides of the blade 14 for the passage of the cooling medium, so that, as indicated by the arrows 30, a corresponding cooling medium is directed onto the blade 14 on both sides can.
- a plurality of nozzles 19 can be arranged distributed over the circumference of the knife blade 14.
- a circumferential annular gap nozzle 20 is arranged so that the entire circumference of the blade 14 can be flowed through the annular gap nozzle 20 with the cooling medium.
- FIG. 3 a further embodiment of the invention is shown, in which a plurality of circular knives 12 are arranged as upper knives on a common knife shaft 23, which work in a scissor cut against lower knives 15 with correspondingly assigned knife edges, each of the circular knives 12 each in their respective A nozzle 19 is assigned to the cutting point 16 opposite region.
- the material web 17 is additionally cooled in the transport direction 18 of the material web 17 before the cutting point 16 by a cooling bar 21 with a plurality of cooling nozzles 22 arranged therein arranged parallel to the surface of the material web 17 is.
- the material web 17 is cooled.
- a cooling beam 21 with correspondingly assigned cooling nozzles 22 extends behind the cutting point 16 in a direction parallel to the material web 17 in the transport direction 18 of the material web 17.
- the region of the material web 17 which already includes the cut edge already cut in the material web 17 is thus cooled, and in this way it is achieved in a particularly advantageous manner that with the cooling of the material web behind the Cutting point 16 a certain embrittlement of the material web 17 occurs, so that after a possible standstill of the slitting machine when the material web starts up again, the cut parts of the material web automatically separate from one another.
- FIG. 6 an embodiment of the invention can be seen in FIG. 6, according to which the knife to be cooled is designed as a long knife 24, a plurality of nozzles 19 for cooling the long knife 24 being arranged distributed over the length of its knife edge 25. Similar to the design described in relation to FIG. 2, it can also be provided in this exemplary embodiment - as not shown further - that a slot-shaped nozzle extending over the length of the knife edge 25 of the long knife 24 is provided for applying the cooling medium to the knife blade.
- FIG. 7 a further exemplary embodiment of the invention is shown in FIG. 7, in which a nozzle 19 is aligned radially with respect to the knife edge, so that the cooling medium flows through the nozzle 19 in the plane of the knife blade.
- a housing 35 enclosing the knife blade 14 can also be seen, which is provided with a suction device 36 in order to correspondingly suction the cooled atmosphere generated around the knife blade.
- cooling media For example, an inert cooling gas, liquid nitrogen, liquid carbon dioxide or even cooled air can be used and, in so far, fed to the slitter.
- air cooling it can also be provided, for example, that the air is arranged only in the region of the slitter by Cooling expansion nozzles to the required low temperature.
- all cooling media it must be ensured by appropriate control or fine metering of the use of the cooling medium in question that there is no icing of the knife blade or the formation of condensed water which would interfere with the cutting process or impair the product quality.
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Cutting Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003123753 DE10323753B4 (de) | 2003-05-22 | 2003-05-22 | Längsschneidemaschine mit gekühlter Schneidregion |
PCT/EP2004/002871 WO2004103655A1 (de) | 2003-05-22 | 2004-03-19 | Längsschneidemaschine mit gekühltem messerblatt |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1626845A1 true EP1626845A1 (de) | 2006-02-22 |
EP1626845B1 EP1626845B1 (de) | 2007-11-14 |
Family
ID=33461877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04721832A Expired - Lifetime EP1626845B1 (de) | 2003-05-22 | 2004-03-19 | Längsschneidemaschine mit gekühltem messerblatt |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060230899A1 (de) |
EP (1) | EP1626845B1 (de) |
DE (2) | DE10323753B4 (de) |
WO (1) | WO2004103655A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201200288A (en) * | 2010-05-27 | 2012-01-01 | Air Prod & Chem | Apparatus and method for providing a temperature-controlled gas |
PL230013B1 (pl) * | 2013-02-06 | 2018-09-28 | Int Tobacco Machinery Poland Spolka Z Ograniczona Odpowiedzialnoscia | Sposób i urządzenie do cięcia materiałów filtracyjnych |
ITBO20130234A1 (it) | 2013-05-21 | 2014-11-22 | Gd Spa | Dispositivo di alimentazione di bacchette di filtro di una macchina automatica dell'industria del tabacco. |
DE102017117524A1 (de) * | 2017-08-02 | 2019-02-07 | DIENES WERKE FüR MASCHINENTEILE GMBH & CO. KG | Messerhalter mit Einstellschieber |
CN114851272A (zh) * | 2022-04-11 | 2022-08-05 | 苏州腾达光学科技有限公司 | Oca软胶带的裁切设备 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE303958C (de) * | ||||
DE2164554A1 (de) * | 1971-12-24 | 1973-06-28 | Jagenberg Werke Ag | Vorrichtung zum staubfreien laengsschneiden laufender werkstoffbahnen aus papier, karton, kunststoffolie od. dgl |
DE3219774A1 (de) * | 1982-05-26 | 1983-12-01 | Dr. Otto C. Strecker Kg, 6102 Pfungstadt | Staubabsaugeinrichtung fuer laengsschneider |
DE3229368C1 (de) * | 1982-08-06 | 1984-02-09 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Längsschneideeinrichtung für Papierbahnen |
CH682645A5 (fr) * | 1990-02-21 | 1993-10-29 | Peters W Maschf | Machine à fendre en long une bande de matière qui défile. |
DE4425666C2 (de) * | 1994-07-20 | 1997-04-17 | Roland Man Druckmasch | Vorrichtung zum Längsschneiden von Bahnen |
US6152803A (en) * | 1995-10-20 | 2000-11-28 | Boucher; John N. | Substrate dicing method |
DE29714312U1 (de) * | 1997-08-11 | 1998-09-24 | Wilhelm Bilstein KG Spezialfabrik für Rundmesser und Plattenventile, 51491 Overath | Messerhalter für Kreismesser mit Handschutz |
DE20008779U1 (de) * | 2000-05-17 | 2000-08-10 | Kaschuta Roland | Mittel und Vorrichtung zum Schmieren und/oder zum Kühlen und/oder zum Reinigen eines Werkzeuges und/oder eines durch das Werkzeug zu bearbeitenden Gegenstandes |
WO2001089776A1 (en) * | 2000-05-19 | 2001-11-29 | Pirelli Pneumatici S.P.A. | Apparatus for the automatic cutting of elements made of elastomeric material |
DE20009726U1 (de) * | 2000-05-30 | 2000-08-24 | System Gmbh | Rotationsschneider mit luftgekühlten Messerköpfen |
JP2002120193A (ja) * | 2000-10-11 | 2002-04-23 | Japan Repro-Machine Industries Co Ltd | 積層体の層の除去方法及び除去装置 |
US6467278B1 (en) * | 2000-11-15 | 2002-10-22 | National Semiconductor Corporation | Cooling for singulation of composite materials in molded semiconductor packages |
SG118084A1 (en) * | 2001-08-24 | 2006-01-27 | Micron Technology Inc | Method and apparatus for cutting semiconductor wafers |
-
2003
- 2003-05-22 DE DE2003123753 patent/DE10323753B4/de not_active Expired - Fee Related
-
2004
- 2004-03-19 US US10/558,319 patent/US20060230899A1/en not_active Abandoned
- 2004-03-19 EP EP04721832A patent/EP1626845B1/de not_active Expired - Lifetime
- 2004-03-19 DE DE200450005508 patent/DE502004005508D1/de not_active Expired - Lifetime
- 2004-03-19 WO PCT/EP2004/002871 patent/WO2004103655A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO2004103655A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE502004005508D1 (de) | 2007-12-27 |
US20060230899A1 (en) | 2006-10-19 |
EP1626845B1 (de) | 2007-11-14 |
DE10323753A1 (de) | 2005-01-13 |
DE10323753B4 (de) | 2007-05-03 |
WO2004103655A1 (de) | 2004-12-02 |
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