EP3829838A1 - Trennvorrichtung und verfahren zum auftrennen einer flachbahn in eine vielzahl von verbundenen streifen sowie vorrichtung und verfahren zum herstellen eines strangs - Google Patents
Trennvorrichtung und verfahren zum auftrennen einer flachbahn in eine vielzahl von verbundenen streifen sowie vorrichtung und verfahren zum herstellen eines strangsInfo
- Publication number
- EP3829838A1 EP3829838A1 EP19762768.0A EP19762768A EP3829838A1 EP 3829838 A1 EP3829838 A1 EP 3829838A1 EP 19762768 A EP19762768 A EP 19762768A EP 3829838 A1 EP3829838 A1 EP 3829838A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cutting roller
- cutting
- blades
- strips
- intermittent
- 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
- 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
- B26D1/25—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 non-circular cutting member
- B26D1/34—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 non-circular cutting member moving about an axis parallel to the line of cut
- B26D1/40—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 non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member
- B26D1/405—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 non-circular cutting member moving about an axis parallel to the line of cut and coacting with a rotary member for thin material, e.g. for sheets, strips or the like
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
- A24C5/1828—Forming the rod by cutting tobacco sheet material
Definitions
- the invention relates to a cutting device for cutting a flat web into a plurality of strips, comprising a first cutting roller which is rotatable about a first cutting roller axis and a second cutting roller which is rotating about a second cutting roller axis parallel to the first, wherein the first and second cutting rollers each comprise a plurality of blades that interact with each other.
- the invention further relates to a device for producing a strand of the tobacco processing industry, comprising such a separating device.
- the invention further relates to a method for cutting a flat web into a plurality of strips, in which the flat web has a separating device comprising a first cutting roller which rotates about a first cutting roller axis and a second cutting roller which is parallel to the first second cutting roller axis is rotated, separated, the first and second cutting rollers each comprising a plurality of blades that interact with each other.
- the invention relates to a method for producing a Strands of the tobacco processing industry, in which a flat web is cut using a previously mentioned method.
- a device for producing a strand from reconstituted tobacco material which comprises a separating device for separating a flat web from reconstituted tobacco material, is disclosed, for example, in DE 1 954 036.
- the flat web is cut into parallel strips using a disc knife cutting device.
- the strips are then combined in one strand and surrounded with a covering.
- the covered strand is cut into pieces of a predetermined length so that rod-shaped articles can be produced.
- a separating device for separating a flat web into a plurality of strips, comprising a first one
- Cutting roller rotatable about a first cutting roller axis and a second cutting roller rotating about a second parallel to the first Cutting roller axis is rotatable, the first and the second
- Cutting roller each comprise a plurality of blades which interact with one another, this separating device being developed in that the first and / or the second cutting roller are / is designed as an intermittent cutting roller, all blades of the intermittent cutting roller in each case at least comprise a recess which interrupts a cutting edge of the blade, the recesses being arranged in the blades of the intermittent cutting roller along a helix and this helix lying in a cylinder jacket spanned by the cutting edges of the blades and the axis of the helix with the
- Cutting roller axis of the intermittent cutting roller coincides.
- a “recess” should generally be understood to mean an interruption, intermittent or groove which is introduced into the corresponding blade in such a way that it is the
- the recess can, for example, be semicircular, trapezoidal, rectangular or else of another design.
- a “helix” is understood to mean a helix.
- a helix has a constant slope.
- the recesses arranged along the helix or helical line are arranged, for example, in such a way that the helix always runs centrally through the recesses. It is of course also possible to choose a different reference point of the recesses for alignment with the helix, for example a start or end point of the respective recesses.
- the flat web is advantageously separated into a large number of strips which are connected to one another by webs.
- the webs remaining between the strips are the result of the interruptions in the blades.
- the flat sheet is, for example, a flat sheet made of reconstituted
- the separating device is advantageously further developed in that the blades of the first and the second cutting roller overlap in a cutting area and the cutting of the blades of the first cutting roller and the cutting of the blades of the second cutting roller in the cutting area in a direction of the shortest connection between the first and the second cutting roller axis are spaced apart from one another by a cutting depth, the recesses having a depth, measured from the cylinder jacket, in the radial direction that is greater than that
- the depth of the recesses is greater than the depth of cut plus an assumed material thickness of the flat web.
- the depth of the recesses is measured between the cylinder jacket spanned by cutting edges, viewed in the radial direction, and to a bottom of the recesses.
- the separating device In the separating device according to this embodiment, it is ensured that the intermittent cutting roller does not cut the flat web.
- the flat web is picked up in the area of the recess where the cross bar remains and is not gripped by the blade of the opposite cutting roller.
- the separating device is further developed in particular in that the recesses are arranged in such a way that a straight line lying in the cylinder jacket intersects exactly two recesses. The straight line is parallel to the cutting roller axis.
- a first recess in a first blade and a second recess in a directly adjacent second blade are arranged such that the straight line running parallel to the cutting roller in the cylinder jacket intersects the first and second recesses.
- the line no longer intersects.
- the straight line intersects, for example, an end point of the first recess and a start point of the third recess, with start and end points being considered in the circumferential direction of the cylinder.
- the separating device is developed in that the recesses in the blades of the intermittent cutting roller are arranged along exactly one helix or along several helices. The use of exactly one helix represents the minimum requirement to return a strip that has been broken in the process back into it.
- a device for producing a strand of the tobacco processing industry comprising a separating device according to one or more of the aforementioned embodiments, and further by a strand forming unit which is set up for this purpose to form a strand of the plurality of strips.
- the same or similar advantages apply to the device for producing a strand as have already been mentioned with regard to the separating device.
- the device is particularly advantageous in that a very reliable process can be provided, in which even if a single strip breaks, it is returned to the strand process within a very short time.
- the object is further achieved by a method for cutting a flat web into a plurality of strips, in which the flat web has a separating device comprising a first cutting roller which rotates around a first cutting roller axis and a second cutting roller which extends around a parallel to the first second cutting roller axis is rotated, separated, the first and second cutting rollers each comprising a plurality of blades which interact with one another, the method being further developed in that the flat web is separated into individual strips, each of which has at least one transverse web are connected to a directly adjacent strip, in that the first and / or the second cutting roller are / is designed as an intermittent cutting roller and all blades of the intermittent cutting roller each comprise at least one recess which interrupts a cutting edge of the clinch, the recesses in the blades of the intermittent the cutting roller is arranged along a helix and this helix lies in a cylinder jacket spanned by the cutting edges of the blades and the axis of the helix coincides with the cutting roller
- Strands of the tobacco processing industry in which, with a method according to the aforementioned embodiment, a flat web is separated into a multiplicity of strips connected to one another and a strand is formed from the plurality of strips with a strand-forming unit.
- This process for producing the strand is very robust and allows a highly reliable and continuous process to be carried out.
- broken strips can advantageously be returned to the process even during processing, and so on
- Strand forming unit are provided.
- Embodiments according to the invention can fulfill individual features or a combination of several features.
- FIG. 1 shows a schematic illustration of a device for producing a strand of the tobacco processing industry, comprising a separating device
- Fig. 2 is a perspective view of an intermittent Cutting roller of the separating device
- Fig. 3 is a plan view of the surface of the intermittent
- Fig. 4 is a plan view of the surface of the intermittent
- Fig. 1 shows a device 2 for producing a strand 4 of the tobacco processing industry.
- a flat web 6 is rolled off a bobbin 8.
- the flat web 6 is a flat web made of reconstituted tobacco material or made of PLA film.
- Feed device 1 0 is provided, in which the bobbin 8 is received.
- the flat web 6 is fed to a separating device 12 included in the device 2.
- the separating device 12 is set up to cut the flat web 6 into a plurality of strips 14.
- the strips 14 extend in a strip plane. They are arranged parallel to one another and next to one another in this strip plane, the flat sides of the strips 14 lying in the strip plane.
- the stripe plane is oriented perpendicular to the paper plane in the illustration of FIG. 1.
- a large number of manufactured strips 14 is indicated in a schematic representation, the strip plane being shown in this detail representation in the
- the strand 4 is formed from the plurality of strips 14.
- the strand formation takes place, for example, in a format channel 22, which is indicated schematically.
- the strand 4 can be cut into individual rod-shaped segments 24 of a desired length. As indicated by an arrow in FIG. 1, these can be fed to further processing.
- the separating device 12 comprises a first cutting roller 30 which is rotatably received about a first cutting roller axis 32.
- a second cutting roller 34 is included, which is held rotatably about a second cutting roller axis 36.
- Cutting rollers 30, 34 each comprise a plurality of blades, the blades of different cutting rollers 30, 34 interacting with one another. By interaction of the blades of the first
- Cutting roller 30 with that of the second cutting roller 34 the flat web 6 is separated into the plurality of strips 14.
- the first cutting roller 30 or the second cutting roller 34 or both cutting rollers, i.e. the first cutting roller 30 and the second cutting roller 34 are designed as an intermittent cutting roller.
- the design of the separating device 12 with at least one intermittent cutting roller ensures that a multiplicity of strips 14 are produced, which are connected to one another with transverse webs.
- FIG. 2 shows a perspective illustration of an intermittent cutting roller 40.
- This includes a plurality of blades 42, only a few of which are provided with reference numerals for reasons of clarity.
- the blades 42 which are disk knives and which are oriented in an axial direction A parallel to an axis of rotation of the intermittent cutting roller 40, there are grooves in which the blades of the other cutting roller engage. The width of the grooves determines the stripe width of the stripes 14, the the separator 12 are cut.
- the axis of rotation of the intermittent cutting roller 40 coincides with the first or second cutting roller axis 32, 36, depending on whether the first cutting roller 30 or the second cutting roller 34 is designed as an intermittent cutting roller 40.
- the blades 42 of the intermittent cutting roller 40 are each provided with at least one recess 44. Again, for reasons of clarity, the recesses 44 are provided with reference numerals for only a few of the blades 42. The recess 44 interrupts one
- the recesses 44 in the blades 42 of the intermittent cutting roller 40 are arranged along a helix.
- the recesses 44 are arranged in the blades 42 of the intermittent cutting roller 40 shown in FIG. 2 along two helices.
- a first helix 461 runs from a central point from the bottom upwards with a constant gradient ascending to the first recess 441 in the uppermost blade 421.
- a second helix 462, which is also indicated in dashed lines, runs from the one in FIG. 2 The invisible rear side of the intermittent cutting roller 40 up to the second recess 442 of the uppermost blade 421.
- the helices 461, 462 lie in a cylinder jacket spanned by the cutting edges of the blades 42 of the intermittent cutting roller 40.
- the axes of the helices 461, 462 coincide with the
- Cutting roller axis 32, 36 corresponds, depending on whether the first
- Cutting roller 30 or the second cutting roller 34 is designed as an intermittent cutting roller 40.
- the separating device 12 is, for example, equipped in such a way that the blades 42 of the first and the second cutting roller 30, 34 overlap in a cutting area and the cutting of the blades 42 of the first cutting roller 30 and the cutting of the blades 42 of the second cutting roller 34 in this cutting area in a direction of the shortest connection between the two cutting roller axes 32, 36 are spaced apart by a cutting depth.
- the first cutting roller 30 and the second cutting roller 34 are in engagement with one another by this depth of cut.
- the recesses 44 in the intermittent cutting roller 40 have a depth, which is measured in the radial direction from the cylinder jacket to the bottom of the recess 44, which is greater than this cutting depth.
- FIG. 3 shows a top view of the surface of the intermittent cutting roller 40, the surface being rolled into the paper plane of FIG. 3.
- FIG. 4 shows a plan view of the surface of the intermittent cutting roller 40.
- the recesses 44 are arranged on the intermittent cutting roller 40 in such a way that a straight line lying in the cylinder jacket spanned by the cutting edges of the blades 42 cuts exactly two recesses. This is an example of a first straight line
- the first straight line 481 intersects the second recess 442 of the uppermost blade 421 in the middle.
- the second straight line 482 touches an end point of the fourth recess 444, intersects the fifth recess 445 in the middle and tangents the sixth recess 446 at a starting point.
- This arrangement of the recesses 44 ensures that at each longitudinal position of the plurality of strips 14, apart from the edge strips, one strip is included, which is connected to the two adjacent strips 14 via transverse webs. In the absence of two neighbors, the edge strips are only connected to one adjacent strip 14. The mechanical properties of the strand from the multiplicity of strips 14 are not affected by the transverse webs. It can still be advantageously treated like a strand of a large number of completely separated strips.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018121618.1A DE102018121618A1 (de) | 2018-09-05 | 2018-09-05 | Trennvorrichtung und Verfahren zum Auftrennen einer Flachbahn in eine Vielzahl von verbundenen Streifen sowie Vorrichtung und Verfahren zum Herstellen eines Strangs |
| PCT/EP2019/073307 WO2020048907A1 (de) | 2018-09-05 | 2019-09-02 | Trennvorrichtung und verfahren zum auftrennen einer flachbahn in eine vielzahl von verbundenen streifen sowie vorrichtung und verfahren zum herstellen eines strangs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3829838A1 true EP3829838A1 (de) | 2021-06-09 |
| EP3829838B1 EP3829838B1 (de) | 2024-05-22 |
Family
ID=67847715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19762768.0A Active EP3829838B1 (de) | 2018-09-05 | 2019-09-02 | Trennvorrichtung und verfahren zum auftrennen einer flachbahn in eine vielzahl von verbundenen streifen sowie vorrichtung und verfahren zum herstellen eines strangs |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3829838B1 (de) |
| CN (1) | CN112601643B (de) |
| DE (1) | DE102018121618A1 (de) |
| WO (1) | WO2020048907A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020110668B4 (de) | 2020-04-20 | 2021-11-18 | Hauni Maschinenbau Gmbh | Vorrichtung und Verfahren zum Herstellen eines Strangs sowie stabförmiger Artikel der Tabak verarbeitenden Industrie |
| IT202200012925A1 (it) | 2022-06-20 | 2023-12-20 | Gd Spa | Rullo per la separazione di un nastro in una pluralita’ di strisce idonee alla realizzazione di un articolo dell’industria del tabacco |
| KR20250165400A (ko) * | 2023-03-24 | 2025-11-25 | 필립모리스 프로덕츠 에스.에이. | 에어로졸 발생 물품 구성요소용 에어로졸 발생 기재의 시트를 약화시키기 위한 장치 및 방법 |
| CN121487647A (zh) * | 2023-07-17 | 2026-02-06 | 菲利普莫里斯生产公司 | 用于生产用于气溶胶生成制品的气溶胶生成基质片材的设备及方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB969329A (en) | 1960-01-12 | 1964-09-09 | Cigarette Components Ltd | Improvements in and relating to the production of filter bodies |
| US3472236A (en) | 1964-11-16 | 1969-10-14 | American Mach & Foundry | Cigarette or cigar making machine and method |
| US3589373A (en) * | 1968-10-28 | 1971-06-29 | Amf Inc | Cigarette making machine |
| US4047536A (en) | 1974-06-19 | 1977-09-13 | Asfour Emil S | Method of making cigarettes and a cigarette made according thereto |
| GB1531463A (en) | 1975-07-08 | 1978-11-08 | Molins Ltd | Manufacture of smokers' articles |
| JPH05247840A (ja) * | 1991-12-13 | 1993-09-24 | Johnson & Johnson Inc | たわみ材料のウエブを縦長条片に切断する方法と装置 |
| EP1022123B1 (de) * | 1999-01-21 | 2005-05-04 | SCHLEICHER & Co. INTERNATIONAL AKTIENGESELLSCHAFT | Verfahren und Vorrichtung zur Herstellung von Polstermaterial sowie Polstermaterial |
| DE10146992A1 (de) * | 2001-09-18 | 2003-04-03 | Hauni Maschinenbau Ag | Übergabeeinrichtung und Muldentrommel sowie Verfahren zur Übergabe von Hartfilterlementen |
| CN2555149Y (zh) * | 2002-08-07 | 2003-06-11 | 池畠商事(上海)有限公司 | 纸制缓冲材料的制造装置 |
| JP4303275B2 (ja) * | 2006-09-29 | 2009-07-29 | ユニ・チャーム株式会社 | シートへの切断線の形成方法 |
| CN104717895B (zh) * | 2012-10-22 | 2018-09-07 | 英美烟草(投资)有限公司 | 在烟草产业中使用的切割设备 |
| WO2014068703A1 (ja) * | 2012-10-31 | 2014-05-08 | 日本たばこ産業株式会社 | 紙管製造機、その製造方法及びこの製造方法により製造された紙管 |
| EP3366819B1 (de) * | 2015-10-21 | 2022-02-16 | Mitsubishi Chemical Corporation | Herstellungsvorrichtung und herstellungsverfahren für faserverstärkte harzformungsmaterialien |
| IT201700115523A1 (it) * | 2017-10-13 | 2019-04-13 | Gd Spa | Macchina e metodo per la realizzazione di articoli da fumo a forma di barretta |
| CN107981410B (zh) | 2017-12-13 | 2020-07-21 | 红塔烟草(集团)有限责任公司 | 基于烟草滤棒成型设备的卷纸切丝聚拢成棒机构 |
-
2018
- 2018-09-05 DE DE102018121618.1A patent/DE102018121618A1/de active Pending
-
2019
- 2019-09-02 CN CN201980057926.5A patent/CN112601643B/zh active Active
- 2019-09-02 EP EP19762768.0A patent/EP3829838B1/de active Active
- 2019-09-02 WO PCT/EP2019/073307 patent/WO2020048907A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020048907A1 (de) | 2020-03-12 |
| DE102018121618A1 (de) | 2020-03-05 |
| CN112601643A (zh) | 2021-04-02 |
| CN112601643B (zh) | 2023-01-03 |
| EP3829838B1 (de) | 2024-05-22 |
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