EP1513421A1 - Walzenpaar zum spannen von strängen aus filtermaterial - Google Patents
Walzenpaar zum spannen von strängen aus filtermaterialInfo
- Publication number
- EP1513421A1 EP1513421A1 EP03732427A EP03732427A EP1513421A1 EP 1513421 A1 EP1513421 A1 EP 1513421A1 EP 03732427 A EP03732427 A EP 03732427A EP 03732427 A EP03732427 A EP 03732427A EP 1513421 A1 EP1513421 A1 EP 1513421A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- drive
- pair
- rollers
- rollers according
- 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
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
Definitions
- the invention relates to a pair of rollers for tensioning strands of filter material in the manufacture of cigarette filters according to the preamble of patent claim 1.
- the filters of filter cigarettes are usually made from a so-called filter tow made of cellulose acetate. It is drawn off from a bale of cellulose acetate and formed into a sheet or strand before being fed to the machine in which the filter plugs are made. The "cable" drawn off the bale is heavily crimped and is therefore placed under tension to spread it.
- two spaced-apart roller pairs are provided, of which the one in front in the transport direction is driven at a higher speed than the rear one, in order in this way to tension to create.
- pairs of rollers used for this purpose are supported at one end on the frame of the machine, one roller consisting of metal and the other a surface layer made of elastic material, e.g. Has rubber or the like.
- Such arrangements include described in DE 1 532 142 or DE 2008 033.
- the roller made of metal lying at the top is driven, while the lower roller is supported in a rotating manner.
- the lower roller is mounted so that it can pivot about a horizontal axis close to its mounting.
- a linear pneumatic drive is provided to actuate the pivoting. So that a certain stretching of the tow can take place without slipping, the lower roller must be pressed on with a relatively high pressing force. As a result, however, the rubber coating of the lower roller is subject to considerable wear.
- the invention has for its object to modify the pair of rollers specified that the wear is reduced.
- the second roller can also be driven by a drive via a second drive shaft and an articulated shaft.
- the second drive shaft is coupled to the first drive shaft via a gear transmission. An additional drive is therefore not necessary.
- the second roller is also mounted in such a way that the size of the gap between the rollers can be changed over its length to match the thickness of the material.
- the contact pressure only has to be so great that the acetate fibers can be held between the spaced-apart roller pairs in order to stretch them in a certain ratio. In this way, the wear of the lining of the second roller is significantly reduced.
- the second roller is not only pivotally mounted away from the first roller, but can also pivot within limits during operation or suffer an adjustment parallel to itself, if this is appropriate due to the thickness of the material.
- the resistance that must be overcome with such a movement of the second roller is that of the swivel drive, which therefore expediently acts on the second roller via a spring medium.
- the actuating device in turn contains a pneumatic cylinder which automatically allows the roller to be pivoted to a limited extent.
- another actuating device can act on the pivoting of the second roller via a spring medium.
- the second roller is coupled to the second drive shaft via a universal joint shaft.
- the second drive shaft can be the output shaft of a gear transmission, the input shaft of which represents the motor shaft.
- the second roller is hollow.
- a drive flange is fastened inside, which interacts with a roller bearing, the inner ring of which is pivotally mounted on a sleeve-shaped bearing component about a horizontal axis.
- the cardan shaft is passed through the sleeve-shaped component.
- the sleeve-shaped component is in turn pivoted on the frame about a horizontal axis.
- the bearing component is pivotally mounted and can transmit this movement to the roller.
- the roller is in turn pivotally mounted on the bearing component, so that it can also be adjusted parallel to itself for the purpose of adaptation to the thickness of the filter tow.
- the arrangement of the pair of rollers including the gear parts can be designed so that it can be attached to a conventional roller drive.
- the frame has a vertical support plate on which the drive motor is flanged on one side, as is known per se.
- a gear box for the gear transmission is attached, which in turn enables the storage of the second roller.
- a second drive can therefore be provided for the second roller, which preferably runs with a torque that compensates for the bearing friction.
- the speed of the second drive is set such that the circumferential speed of both rollers is the same so that friction does not occur in the nip.
- the z. B. can be an air motor or a hydraulic motor, the contact pressure between the rollers can be reduced because the frictional forces of the bearings no longer have to be overcome.
- a one-way clutch is provided for the rapid run-up phase of the machine up to the production speed. This allows the second roller to follow the first. Under certain circumstances it may be necessary to briefly increase the contact pressure during this start-up time.
- the system described last represents a relatively elastic drive, which can compensate for speed fluctuations very easily and ensures that the upper and lower rollers move in step.
- Fig. 1 shows a section through a pair of rollers according to the invention with the lower roller open.
- Fig. 2 shows the arrangement of Fig. 1 with the lower roller closed.
- FIG. 3 shows the arrangement of FIG. 1 in a similar representation.
- FIG. 4 shows a section through the lower roller as shown in FIG. 1, but with a section perpendicular to the section according to FIG. 1.
- Fig. 5 shows in perspective a second embodiment of a pair of rollers according to the invention.
- a support plate 10 can be seen, which is part of a machine frame of a machine, which is used to process a so-called filter tow.
- This system includes two pairs of rollers, one of which is shown in Figures 1 to 3. The second pair can have the same structure or can be of conventional design.
- FIGS. 1 to 3 An upper roller 12 and a lower roller 14 can be seen in FIGS. 1 to 3.
- the upper hollow roller is made of metal, while the lower roller 14 has a hollow metal shell 16 and a rubber covering 18.
- An electric motor 20 is flanged on the left side of the vertical support plate 10. Its drive shaft 22 is coupled via a coupling to a further shaft 24, which extends into a sleeve-shaped bearing body 26.
- the bearing body 26 is flanged to a gear housing 28 which receives two spur gears 30, 32.
- the spur gear 30 sits on the shaft 24 and meshes with the second spur gear 32.
- the transmission ratio is 1: 1.
- the gear housing 28 is fixedly connected to the support plate 10.
- the shaft 24 is rotatably connected to a flange 34, which in turn is clamped within the roller 32. A rotation of the shaft 24 thus leads to a corresponding rotation of the roller 12.
- the roller 12 is only held in the middle at one point. The load is taken up via the shaft 24, which is supported by means of roller bearings 36, 38 within the bearing body 26.
- a bearing flange 40 is connected to the outside of the gear housing 30 by screw fastening, which by means of two roller bearings 42, 44 rotatably supports a pin 46 which is connected to the lower spur gear 32 in a rotationally fixed manner.
- a sleeve-shaped bearing component 50 is pivotably supported by the bearing flange 32.
- this storage takes place about a horizontal axis. 4
- the sleeve-shaped bearing component 50 supports the inner rings of two roller bearings 56, 58 with the aid of two diametrically opposed bearing pins 52, 54.
- the outer ring of the bearings 56, 58 is connected to the inside of the roller 14 in a rotationally fixed manner
- a flange 60 is connected to the outer ring of the roller bearings 56, 58, with which the right end of an articulated shaft 62 is coupled in a rotationally rigid manner.
- the propeller shaft has a first universal joint 64 and a second universal joint 66, by means of which the latter is articulated to the pin 46.
- the cardan shaft 62 extends through the interior of the sleeve-shaped bearing component 50. The interior thereof is protected against the ingress of dirt by a protective membrane 68.
- An angled component 70 is screwed onto the underside of the sleeve-shaped bearing component 50, which in FIG. 1 bears against a stop 72 which is connected to the transmission housing 28.
- a pneumatic adjusting cylinder arrangement 74 is articulated on the lower leg of the component 70. With the aid of the adjusting cylinder arrangement 74, the lower roller can thus be pivoted upward, as shown in FIG. 2. The pressure at which the two rollers 12, 14 are pressed against one another is predetermined by the pressure in the cylinder arrangement 74.
- two rollers 12 and 14 are again used, comparable to the rollers 12 and 14 according to FIGS. 1 to 4.
- the upper roller 12 is driven by the electric motor 20.
- the lower roller 14 is driven by a separate air motor 80 which is coupled to the lower roller 14 via a one-way clutch 82.
- the air motor 80 is driven at a speed that ensures that both rollers 12, 14 have the same peripheral speed.
- the set torque of the compressed air motor 80 compensates for the frictional losses in the bearings.
- the lower rollers 14 can be pivoted in the same way as described for the above exemplary embodiment.
Landscapes
- Preliminary Treatment Of Fibers (AREA)
- Filtering Materials (AREA)
- Press Drives And Press Lines (AREA)
- Paper (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Metal Rolling (AREA)
- Details Of Cutting Devices (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10227378 | 2002-06-20 | ||
| DE10227378A DE10227378B4 (de) | 2002-06-20 | 2002-06-20 | Walzenpaar zum Spannen von Strängen aus Filtermaterial |
| PCT/EP2003/005287 WO2004000046A1 (de) | 2002-06-20 | 2003-05-20 | Walzenpaar zum spannen von strängen aus filtermaterial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1513421A1 true EP1513421A1 (de) | 2005-03-16 |
| EP1513421B1 EP1513421B1 (de) | 2006-08-09 |
Family
ID=29719259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03732427A Expired - Lifetime EP1513421B1 (de) | 2002-06-20 | 2003-05-20 | Walzenpaar zum spannen von strängen aus filtermaterial |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7308735B2 (de) |
| EP (1) | EP1513421B1 (de) |
| AT (1) | ATE335413T1 (de) |
| AU (1) | AU2003238363A1 (de) |
| DE (2) | DE10227378B4 (de) |
| ES (1) | ES2266824T3 (de) |
| WO (1) | WO2004000046A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10354924B4 (de) * | 2003-11-25 | 2024-01-18 | Körber Technologies Gmbh | Vorrichtung zum Aufbereiten von Filtertowmaterial sowie Vorrichtung zur Herstellung von Filtern |
| ITBO20050603A1 (it) * | 2005-10-07 | 2007-04-08 | Cnh Italia Spa | Frizione a bagno d'olio |
| ITBO20060165A1 (it) * | 2006-03-08 | 2007-09-09 | Gd Spa | Macchina per la produzione di filtri di sigarette. |
| DE102006049823A1 (de) * | 2006-10-19 | 2008-04-24 | Hauni Maschinenbau Ag | Vorrichtung und Verfahren zur Aufbereitung von Filtermaterial für Zigarettenfilter oder dergleichen |
| CN103453118A (zh) * | 2013-08-30 | 2013-12-18 | 湖北中烟工业有限责任公司 | 一种双轴承过定位装置 |
| CN105852205A (zh) * | 2016-04-28 | 2016-08-17 | 宜兴市新建烟机配件有限公司 | 一种用于香烟过滤嘴开松机上聚氨酯橡胶辊 |
| CH712427A1 (de) * | 2016-05-02 | 2017-11-15 | Rieter Ag Maschf | Streckwerk einer Textilmaschine. |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2790208A (en) * | 1954-03-15 | 1957-04-30 | Eastman Kodak Co | Method and means for opening crimped continuous filament tow |
| GB974512A (en) * | 1960-06-17 | 1964-11-04 | Eastman Kodak Co | An improved process and apparatus for the manufacture of uniformly crimped filamentary tow |
| DE1280114B (de) | 1963-04-19 | 1968-10-10 | Kurashiki Rayon Co | Vorrichtung zum Auflockern eines gekraeuselten, durchgehenden Faserstranges fuer Zigarettenfilter |
| GB1132984A (en) * | 1965-04-01 | 1968-11-06 | Courtaulds Ltd | Process and apparatus for opening tow |
| NL7002258A (de) * | 1969-02-21 | 1970-08-25 | ||
| DE7016570U (de) * | 1970-05-02 | 1971-02-25 | Glanzstoff Ag | Verstellbares galettenabzugswerk. |
| CH557194A (de) * | 1972-10-28 | 1974-12-31 | Bellmer Geb Kg Maschf | Filterpresse. |
| US4759247A (en) * | 1987-10-22 | 1988-07-26 | Bernal Rotary Systems, Inc. | Rotary dies with adjustable cutter force |
| US5678774A (en) * | 1995-12-18 | 1997-10-21 | Etc. Industries Inc. | Fiberglass cutting apparatus and method |
| DE19712417A1 (de) * | 1997-03-25 | 1998-10-01 | Schaeffler Waelzlager Ohg | Andruckrolle für Textilmaschinen |
| DE10210357B4 (de) * | 2002-03-08 | 2005-12-22 | Voith Paper Patent Gmbh | Walzenanordnung |
| DE20309301U1 (de) * | 2003-06-13 | 2003-08-28 | Stowe Woodward AG, 33758 Schloß Holte-Stukenbrock | Breitstreckwalze |
| US7305739B2 (en) * | 2004-09-15 | 2007-12-11 | Celanese Acetate, Llc | Apparatus for tow opening |
| DE102005023992A1 (de) * | 2005-05-20 | 2006-11-23 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Spinnereivorbereitungsmaschine, z.B. Karde, Krempel, Strecke, Kämmmaschine o.dgl., zum Ermitteln der Masse und/oder Masseschwankungen eines Fasermaterials, z.B. mindestens ein Faserband, Faservlies o.dgl., aus Baumwolle, Chemiefasern o. dgl. |
-
2002
- 2002-06-20 DE DE10227378A patent/DE10227378B4/de not_active Expired - Fee Related
-
2003
- 2003-05-20 AU AU2003238363A patent/AU2003238363A1/en not_active Abandoned
- 2003-05-20 US US10/518,130 patent/US7308735B2/en not_active Expired - Fee Related
- 2003-05-20 EP EP03732427A patent/EP1513421B1/de not_active Expired - Lifetime
- 2003-05-20 ES ES03732427T patent/ES2266824T3/es not_active Expired - Lifetime
- 2003-05-20 WO PCT/EP2003/005287 patent/WO2004000046A1/de not_active Ceased
- 2003-05-20 AT AT03732427T patent/ATE335413T1/de active
- 2003-05-20 DE DE50304585T patent/DE50304585D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004000046A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2004000046A1 (de) | 2003-12-31 |
| ES2266824T3 (es) | 2007-03-01 |
| DE10227378B4 (de) | 2008-07-17 |
| ATE335413T1 (de) | 2006-09-15 |
| US7308735B2 (en) | 2007-12-18 |
| EP1513421B1 (de) | 2006-08-09 |
| AU2003238363A1 (en) | 2004-01-06 |
| DE10227378A1 (de) | 2004-01-08 |
| DE50304585D1 (de) | 2006-09-21 |
| US20060179615A1 (en) | 2006-08-17 |
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