EP0805773A1 - Vorrichtung zum anlegen einer warenbahn an eine wickelhülse - Google Patents
Vorrichtung zum anlegen einer warenbahn an eine wickelhülseInfo
- Publication number
- EP0805773A1 EP0805773A1 EP96902924A EP96902924A EP0805773A1 EP 0805773 A1 EP0805773 A1 EP 0805773A1 EP 96902924 A EP96902924 A EP 96902924A EP 96902924 A EP96902924 A EP 96902924A EP 0805773 A1 EP0805773 A1 EP 0805773A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- web
- cutting
- cross
- connecting rod
- 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
- 238000004804 winding Methods 0.000 title claims abstract description 76
- 239000000463 material Substances 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims description 17
- 239000002985 plastic film Substances 0.000 claims description 7
- 229920006255 plastic film Polymers 0.000 claims description 7
- 239000013072 incoming material Substances 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 239000011888 foil Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 210000002105 tongue Anatomy 0.000 description 4
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
Definitions
- the invention relates to a device for applying webs, in particular highly sensitive plastic films, in a winding machine, preferably a multiple winding machine, with a winding shaft that can be pivoted into the respective winding position for receiving winding sleeves, a contact roller interacting therewith, and a cross-cutting system for cross-cutting the Material web and an application system for deflecting and applying the incoming material web in the area of the winding cores.
- the invention is therefore based on the object of providing a device of the type mentioned at the beginning, by means of which the beginning of the web of a stationary web of material, preferably cut through transversely to the feed direction, preferably highly sensitive plastic film, without jam and without a fold over against an empty winding tube without using Glue is applied securely.
- the installation system has an application element which can be pivoted concentrically about the longitudinal axis of the winding shaft and which can be pressed onto the winding tube at the beginning of the web.
- the contact element has a connecting rod which can be pivoted concentrically about the axis of the winding shaft and extends over the working width of the machine, and has spring-mounted pressure elements fastened thereon, on the free ends of which rollers or the like are preferably rotatably mounted.
- the pressure elements which are designed, for example, as tongues or as resilient holding plates, are designed as support elements for the pressure rollers or the like that are more or less close to one another.
- the pivoting mechanism used for centering and guiding has a slotted first ring disk connected to the connecting rod via a lever and a slotted second ring disk concentrically arranged and slotted relative to the first ring disk, the common imaginary center of which in the application position of the application system with the longitudinal axis the winding shaft coincides.
- At least two toothed wheels which engage in a toothing on the circumference of the rotatable ring disk and are arranged at a distance from one another are provided, of which at least one is always in engagement with the toothing of the rotatable ring disk during the swiveling movement.
- the application system is advantageously designed such that when the application system is swiveled in shortly before the crosswise separation of the web by means of the pressure elements or the pressure rollers, the web is pressed onto the winding tube with slight pretension. Furthermore, the length of material remaining after the cross cutting of the web between the pressure rollers in their initial contact position and a cutting knife of the cross cutting system essentially corresponds to the remaining circumference of the winding tube between the initial contact point of the pressure rollers on the winding tube and the contact point between the contact roller and the winding tube.
- the pivoting movement of the application system is limited in such a way that the pressure rollers come to a stop immediately in front of the contact point between the contact roller and the winding tube.
- the application system designed according to the invention can also be very easily adapted to different sleeve diameters.
- the connecting rod only needs to be pivoted about its own axis.
- the pressure rollers attached via the resilient tongues or holding plates thus change their radius in relation to the imaginary axis of rotation.
- Fig. 7 shows part of the application system on an enlarged scale
- FIG. 8 shows a section along the line VIII-VIII of FIG. 7
- FIGS. 1 to 6 show a schematic side view of a double-winding machine with the devices for cross-cutting and applying the web 1, for example a highly sensitive plastic film.
- the material web 1 is guided around a deflection roller 2 and a contact roller 3, after which the material web is wound onto a winding roller 4 in a known manner.
- a winding shaft 10 extending over the machine width can be equipped with winding sleeves 5 during the winding process.
- the winding shaft can be pivoted in the manner described in more detail below by rotating a turning cross of the double winding machine into the position of the current winding roller 4.
- the double winding machine also includes a lay-on system 6 and a cross-cutting system 7 for the web.
- the cross-cutting system 7 has two supporting levers 8, which can be moved towards and away from one another like pliers, with cutting knives 9 sitting at their free ends. Both support levers can be pivoted about a common pivot axis 1 1. In the illustrated embodiment, a support arm 1 2 of the positioning system 6 can also be pivoted about this pivot axis 1 1. At or near the free end, the support arm 1 2 has an application element 13 and a pivoting mechanism 14, both of which are explained in more detail below.
- FIGS. 7 and 8 A preferred embodiment of an application element 13 and a pivoting mechanism 14 is shown in FIGS. 7 and 8.
- the contact element 13 has a pivotable concentrically about the axis 15 of the winding shaft 10
- Connecting rod 16 which extends over the working width of the winding machine and on which resiliently formed pressing elements 17 in the form of springy holding plates or tongues are fastened in a freely projecting manner.
- pressure rollers 18 are rotatably mounted, which come into contact with the web in the manner described in more detail below and cause the creation of a new web start around the winding tube 5.
- the pivoting mechanism 14 already mentioned above is arranged at each end of the connecting rod 16.
- This pivoting mechanism consists in particular of two ring disks 19, 21, each provided with a slot 20, of essentially C-shaped design, of which the first-mentioned ring disk 19 is connected to the connecting rod 16 via a lever 22, while the other Washer 21 is attached to the support arm 1 2 of the application system.
- the annular disk 19 is relatively rotatable relative to the annular disk 21 which is fixedly arranged on the support arm 12.
- the annular disc 19 is fastened to an intermediate ring 23 which has teeth on its outside 24 and which is in meshing engagement with two gears 25, 26.
- the gear wheels 25, 26 are each seated on an axle stub 27 which is rotatably mounted in a bore 29 of the carrying lever 12 via roller bearings 28.
- drive gear wheels 31, via which toothed belts or the like (not shown) or the like and a connecting shaft (also not shown) ensure synchronous drive of the two rotatable ring disks 19.
- the distance between the gear wheels 25, 26 is chosen such that the pivoting drive of the ring disk 19 is maintained by one of the gear wheels 25 and 26 even when the other gear wheel comes into the area of the slot 20 of the ring disk.
- the device designed according to the invention for cross-cutting and applying a material web takes place in the following way:
- the support arm 1 2 shown in dashed lines is now pivoted upwards to such an extent that the pivoting mechanisms 14 can grip around the winding shaft 10 from below, specifically outside the actual working width, so that the material web is still runs from the winding sleeves sitting on the winding axis to the winding roll 4.
- the pressure rollers 18 bear under slight pressure on the web of material guided around the winding tube 5, as is shown more clearly in FIG. 9.
- the carrying levers 8 of the cross-cutting system 7 are now moved towards one another in the manner of pliers, so that the web of material is cut through by the cutting knives 9 seated thereon.
- the distance between the pressure rollers 18 to the cutting knives 9 corresponds approximately to the remaining circumference from the initial contact point of the pressure rollers 18 on the winding tube to the contact point between the contact roller 3 and the winding tube 5.
- the pivoting mechanism 14 described above via the rotatable annular disk 19 and the lever 22, moves the connecting rod 16 on a concentric circle 20, as can be seen in FIG. 9 and until the pressure rollers 18 shortly before reaching the contact point between the pressure roller 3 and the winding tube 5 come to a stop.
- This pivoting movement of the connecting rod 16 and the pressing elements ensures that the beginning of the web is securely wrapped around the winding tube 5 without folds and without the use of adhesive.
Landscapes
- Replacement Of Web Rolls (AREA)
- Winding Of Webs (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19502769A DE19502769C2 (de) | 1995-01-30 | 1995-01-30 | Vorrichtung zum kleberfreien Anlegen von Warenbahnen in einer Wickelmaschine, vorzugsweise einer Mehrfachwickelmaschine |
DE19502769 | 1995-01-30 | ||
PCT/EP1996/000317 WO1996023720A1 (de) | 1995-01-30 | 1996-01-26 | Vorrichtung zum anlegen einer warenbahn an eine wickelhülse |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0805773A1 true EP0805773A1 (de) | 1997-11-12 |
EP0805773B1 EP0805773B1 (de) | 1999-04-14 |
Family
ID=7752601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96902924A Expired - Lifetime EP0805773B1 (de) | 1995-01-30 | 1996-01-26 | Vorrichtung zum anlegen einer warenbahn an eine wickelhülse |
Country Status (5)
Country | Link |
---|---|
US (1) | US5813623A (de) |
EP (1) | EP0805773B1 (de) |
JP (1) | JP2895241B2 (de) |
DE (2) | DE19502769C2 (de) |
WO (1) | WO1996023720A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2303119A1 (en) * | 1997-07-15 | 1999-01-28 | Kaiser Aluminum & Chemical Corporation | High speed transfer of strip in a continuous strip processing application |
DE102014117522A1 (de) * | 2014-11-28 | 2016-06-02 | TRüTZSCHLER GMBH & CO. KG | Wickelmaschine zum Wickeln von Warenbahnen |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1252503B (de) * | 1967-10-19 | |||
DE287926C (de) * | ||||
GB757475A (en) * | 1954-11-18 | 1956-09-19 | Metalmeccanica S R L | Improvements relating to automatic winding machines for materials such as fabrics, paper, thermoplastics, in the form of strip, ribbon or the like |
GB1154662A (en) * | 1967-02-02 | 1969-06-11 | Agfa Gevaert Nv | Web Winding Apparatus. |
US3482793A (en) * | 1967-10-02 | 1969-12-09 | Black Clawson Co | Winder for web materials |
US3782650A (en) * | 1972-04-28 | 1974-01-01 | Egan Machinery Co | Web winder control |
US3908924A (en) * | 1973-05-16 | 1975-09-30 | Greene Gmbh & Co Kg Maschbau | Winding machines |
DE2534588A1 (de) * | 1975-08-02 | 1977-02-17 | Weser Lenze Stahlkontor | Vorrichtung zum rollenwechsel und zum quertrennen von mit hoher geschwindigkeit laufenden bahnen bei mehrfach-wickelmaschinen |
IT1083127B (it) * | 1977-06-02 | 1985-05-21 | Bugnone Aldo | Gruppo finale di una macchina per trattamento di un nastro come ad esempio di una macchina da stampa |
JPS61130164A (ja) * | 1984-11-30 | 1986-06-18 | Mitsubishi Heavy Ind Ltd | フイルム等帯状物の自動切断巻取装置 |
FR2723361B1 (fr) * | 1994-08-05 | 1996-10-31 | Monomatic Sa | Dispositif de coupe et d'application, sans colle, du debut de bande d'une nouvelle bobine sur un mandrin d'un enrouleur |
-
1995
- 1995-01-30 DE DE19502769A patent/DE19502769C2/de not_active Expired - Fee Related
-
1996
- 1996-01-26 JP JP8523230A patent/JP2895241B2/ja not_active Expired - Fee Related
- 1996-01-26 US US08/894,310 patent/US5813623A/en not_active Expired - Fee Related
- 1996-01-26 DE DE59601663T patent/DE59601663D1/de not_active Expired - Lifetime
- 1996-01-26 WO PCT/EP1996/000317 patent/WO1996023720A1/de active IP Right Grant
- 1996-01-26 EP EP96902924A patent/EP0805773B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9623720A1 * |
Also Published As
Publication number | Publication date |
---|---|
US5813623A (en) | 1998-09-29 |
DE59601663D1 (de) | 1999-05-20 |
EP0805773B1 (de) | 1999-04-14 |
JPH10502896A (ja) | 1998-03-17 |
DE19502769A1 (de) | 1996-08-08 |
DE19502769C2 (de) | 1997-04-03 |
JP2895241B2 (ja) | 1999-05-24 |
WO1996023720A1 (de) | 1996-08-08 |
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