EP1737771A1 - Auto-splicing system - Google Patents
Auto-splicing systemInfo
- Publication number
- EP1737771A1 EP1737771A1 EP05716437A EP05716437A EP1737771A1 EP 1737771 A1 EP1737771 A1 EP 1737771A1 EP 05716437 A EP05716437 A EP 05716437A EP 05716437 A EP05716437 A EP 05716437A EP 1737771 A1 EP1737771 A1 EP 1737771A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strapping
- spool
- arrangement according
- coil
- roll
- 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
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
- B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
- B65H19/1852—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
- B65H2701/1752—Polymer film
Definitions
- the invention relates to an arrangement for the automatic strapping of packages, each with a strapping made of thermoplastic plastic, the strapping being wound in a roll-like manner on a first spool, and a first device being provided for rotatably receiving the first spool, from which the strapping is used Wrapping of a package can be unrolled piece by piece.
- Such strapping devices have long been known in packaging technology. An arrangement with the features mentioned at the beginning can be found, for example, in DE 198 03 810 AI or the company brochure “Mosca packaging technology MCB strapping machine ⁇ .
- Such machines are used for automatic strapping of packages in short succession.
- the strapping made of thermoplastic material is rolled off piece by piece from a roll wound on a spool, which is rotatably mounted on a holding device of the machine, for winding around a package.
- the machine must be stopped and the old roll replaced with a new one with enough material. The strapping process can then be continued for further packages.
- the object of the present invention is to further develop an arrangement of the type mentioned at the outset with the simplest possible technical means in such a way that machine downtimes can also be avoided or at least minimized in an automatic strapping operation of the arrangement when the strapping on the spool ends goes.
- this object is achieved in a surprisingly simple and effective manner in that a device is provided for coupling a strapping band of the first spool rolled up on a second spool, and in that the device has a second device for rotatably accommodating the second spool, a docking device for overlapping stacking a portion of the strapping of the first spool and a free end of the strapping of the second spool and a welding device for welding the straps of the two spools in their overlap area.
- the strapping on the second spool can already be available and (manually or automatically) can be welded to the strapping of the first spool without machine downtimes Change of tape removal to the second spool occur.
- the second spool can already be placed on the receiving device made for this purpose during the machine run and be available there in readiness.
- An embodiment of the arrangement according to the invention is particularly preferred in which the docking device has a locking device for bringing together the overlapping pieces of the two strapping tapes with a precise fit. This considerably simplifies the change of bobbins from an empty to a new full bobbin and in principle also enables a fully automatic change.
- the locking device is also a great help for manual operation.
- the locking device comprises a clamping device for holding at least one of the two overlapping pieces, preferably the beginning of the roll of the strapping from the second spool, so that slipping out of the locking device is reliably prevented before the two pieces are welded together.
- the clamping device can also initially only take up the start of the strap of the strapping from the second reel while it is in standby, and only take the corresponding overlap piece of the strapping from the first reel when the removal actually changes from the first to the second spool.
- the overlapping piece of tape can only be clamped by the first coil in the welding device.
- An embodiment of the arrangement according to the invention is particularly preferred in which a detection device is provided for detecting the arrival of the reel-side roll end of the strapping band wound on the first reel. This also enables automatic reel change when the reel end is reached. At least such a detection device can also trigger a signal for a manual change.
- the detection device comprises an optical sensor, in particular a light barrier.
- This development of the invention can be further improved in that a reflector is arranged on the coil surface of the first and second coil, which is covered by the roll wound on the coil and which is visible to the optical sensor when the roll end is reached.
- a reflector is arranged on the coil surface of the first and second coil, which is covered by the roll wound on the coil and which is visible to the optical sensor when the roll end is reached.
- the arrival of the roll end can be detected with extremely simple and inexpensive means.
- the op- table sensor is not visible when the actual roll end is reached, but is visible a little beforehand, so that there is enough time for a change of removal from the first to the second spool.
- the welding device comprises at least one heatable welding stamp. This technology is inexpensive and has been on the market for many years.
- a further embodiment of the arrangement according to the invention is advantageous, in which the locking device can be pivoted away from the unwinding area of the second spool after the overlapping pieces of the two strapping bands have been brought together and docked. This creates space on the one hand for the use of the welding device for welding the strapping of the two coils in their overlap area, and on the other hand the docking device no longer stands in the way of a further removal of the strapping after the welding.
- the docking device is arranged on a carriage which can be moved linearly relative to the devices for the rotatable reception of the first and the second coil.
- the welding device can also be arranged together with the docking device so as to be pivotable and / or linearly movable.
- a cutting device in particular a knife, is used to cut off the remainder of the tape Strapping band provided by the first coil after welding to the strapping band by the second coil.
- the device for receiving the first reel can then be swiveled away or moved away and the empty reel can be exchanged for a new, full reel, which in turn is then ready again as the "second" reel until the "first" reel serving coil is to be replaced by the new coil.
- the scope of the present invention also includes a method for operating the arrangement according to the invention described above, in which the overlap area of the parts to be welded of the strapping of the two spools is selected such that it is the beginning of the roll of the strapping of the second spool and one of the end of the roll of the strapping the first coil comprises a large number of winding layers of strip section. If, for example, the two spools contain different types of strapping, this can result in an accelerated transition from one type of strap to another without the operational sequence being disturbed by stopping the machine. If necessary, a "dummy package" must be processed with the welding area of the two tapes, the subsequent "real" package being strapped again with a uniform type of tape.
- An alternative method variant provides that the overlap area of the parts of the strapping band of the two spools to be welded is selected such that it covers the beginning of the roll of the strapping band of the second spool and one winding at most one from the end of the strapping band of the first spool. would lie distant strap section, in particular the roll end of the strapping of the first spool. This enables a "flying change" from a bobbin that is just emptying to a new, full bobbin, which in particular enables automatic long-term operation of the packaging device.
- the removal of strapping for strapping packages from the first to the second spool can be changed manually.
- the loading of the receiving device with the second coil will generally be carried out by hand. If the tape end of the first spool is no longer too far away, a manual change for removal from the second spool can then also be initiated.
- a method variant is also advantageous in which a change in the removal of strapping tape for strapping packages from the first to the second spool takes place automatically after the arrival of the spool end of the strapping band wound on the first spool is detected.
- the tape roll that is in operation can be fully used to the end without an operator having to be available for the change.
- Machine downtimes are hereby reduced to a minimum or, if the process is suitably designed, no longer occur outside of the maintenance periods.
- an operational requirement for this fully automatic operation is at least the above-mentioned detection device for recognizing the arrival of the end of the roll so that the change can be triggered automatically.
- a cutting device is then also indispensable for physically decoupling the first spool from further operation, which is continued with the tape removal from the second spool. Finally, for the automatic process sequence, it should also be possible to move the docking device and possibly the welding device away from the working area of the arrangement.
- the single figure shows a schematic representation of essential functional components of an embodiment of the arrangement according to the invention.
- a first device 1 can be seen for rotatably receiving a first coil with a roller. len-wrapped strapping.
- the coil itself is omitted from the figure for the sake of clarity.
- the device 10 for coupling a strapping rolled up on a second spool (which is also not shown) to the strapping of the first spool can be seen to the right.
- the device 10 comprises a second device 2 for rotatably accommodating the second coil, a docking device 3 for overlapping superposition of a portion of the strapping of the second coil and a welding device 4 for welding the strapping of the two coils in their overlap area.
- the docking device 3 has, inter alia, a locking device 5 for the precisely fitting bringing together of the overlapping pieces of the strapping of the two coils.
- the locking device 5 in turn comprises a clamping device for holding at least one of the two overlapping pieces.
- a cutting device 7 is provided, which comprises a knife for severing the strap remainder of the strapping from the first spool after welding to the strapping from the second spool.
- the locking device 5 is linearly displaceable on a carriage 6 relative to the receiving devices 1, 2 and pivoted away on a support arm 8 from the unwinding area of the second spool.
Landscapes
- Basic Packing Technique (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410017098 DE102004017098A1 (en) | 2004-04-07 | 2004-04-07 | Auto-splice system |
PCT/EP2005/003290 WO2005097643A1 (en) | 2004-04-07 | 2005-03-30 | Auto-splicing system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1737771A1 true EP1737771A1 (en) | 2007-01-03 |
EP1737771B1 EP1737771B1 (en) | 2008-08-06 |
Family
ID=34963260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05716437A Not-in-force EP1737771B1 (en) | 2004-04-07 | 2005-03-30 | Auto-splicing system |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1737771B1 (en) |
DE (2) | DE102004017098A1 (en) |
ES (1) | ES2311976T3 (en) |
WO (1) | WO2005097643A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201700089185A1 (en) * | 2017-08-02 | 2019-02-02 | Messersi Packaging Srl | STRAPPING MACHINE WITH SPECIALIZED POWER SUPPLY GROUP |
CN111302116B (en) * | 2020-04-02 | 2024-08-20 | 深圳市阿尔斯自动化科技有限公司 | Pole piece tape connecting mechanism and pole piece tape connecting method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3340279C2 (en) * | 1983-11-08 | 1985-10-24 | Doboy Verpackungsmaschinen Gmbh, 2000 Schenefeld | Device for splicing the trailing end of a first plastic film to the leading end of a second plastic film |
IT1186633B (en) * | 1985-10-11 | 1987-12-04 | Gd Spa | DEVICE TO JOIN THE FINAL END OF A TAPE WRAPPED IN A REEL EXHAUST WITH THE INITIAL END OF A NEW REEL |
JP3271807B2 (en) * | 1992-12-28 | 2002-04-08 | 日本テトラパック株式会社 | Film splicer |
US5514237A (en) * | 1993-10-05 | 1996-05-07 | The Procter & Gamble Company | Heat splicing of thermoplastic film |
DE4400154A1 (en) * | 1994-01-05 | 1995-07-06 | Cyklop Gmbh | Device for continuously feeding a tape to a tape processing device |
DE4436719A1 (en) * | 1994-10-14 | 1996-04-18 | Schmermund Maschf Alfred | Splicer for packaging material webs wound in a bobbin-like manner |
DE19522110A1 (en) * | 1995-06-19 | 1997-01-02 | Kisters Maschinenbau Gmbh | Process for welding two film webs, each coming from a supply roll, in a packaging machine |
-
2004
- 2004-04-07 DE DE200410017098 patent/DE102004017098A1/en not_active Ceased
-
2005
- 2005-03-30 ES ES05716437T patent/ES2311976T3/en active Active
- 2005-03-30 EP EP05716437A patent/EP1737771B1/en not_active Not-in-force
- 2005-03-30 DE DE502005004945T patent/DE502005004945D1/en not_active Expired - Fee Related
- 2005-03-30 WO PCT/EP2005/003290 patent/WO2005097643A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO2005097643A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102004017098A1 (en) | 2005-10-27 |
DE502005004945D1 (en) | 2008-09-18 |
ES2311976T3 (en) | 2009-02-16 |
EP1737771B1 (en) | 2008-08-06 |
WO2005097643A1 (en) | 2005-10-20 |
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