EP3619154A1 - Dispositif et procede d'enroulage et de transfert d'une bandelette a partir d'une bobine pleine jusqu'a une bobine vide - Google Patents
Dispositif et procede d'enroulage et de transfert d'une bandelette a partir d'une bobine pleine jusqu'a une bobine videInfo
- Publication number
- EP3619154A1 EP3619154A1 EP18724907.3A EP18724907A EP3619154A1 EP 3619154 A1 EP3619154 A1 EP 3619154A1 EP 18724907 A EP18724907 A EP 18724907A EP 3619154 A1 EP3619154 A1 EP 3619154A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- strip
- coil
- winding
- cutting
- free end
- 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 48
- 238000000034 method Methods 0.000 title claims description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 34
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003860 storage 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
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/18—Constructional details
- B65H75/28—Arrangements for positively securing ends of material
-
- 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
- B65H19/26—Cutting-off the web running to the wound web 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/70—Other constructional features of yarn-winding machines
- B65H54/71—Arrangements for severing filamentary materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/14—Pulleys, rollers, or rotary bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H65/00—Securing material to cores or formers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2402/00—Constructional details of the handling apparatus
- B65H2402/30—Supports; Subassemblies; Mountings thereof
- B65H2402/31—Pivoting support means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/93—Tyres
Definitions
- the invention relates to the technical field of simple winding or slicing around coils, strips of material, for example rubber, such as rubber used for the manufacture of a tire.
- rubber is meant a rubber-based paste used in the manufacture of a tire. This rubber-based paste can incorporate a reinforcing element, such as fabric, rope or cable, or any other component or structural element.
- the invention finds an advantageous application in the continuous winding of strips around coils, from a web.
- a winding device comprising a first spool and a second spool, rotatable to wind the strip successively on the first spool and then on the second spool.
- the device comprises cutting means of the strip when the first coil is full, so as to transfer and reattach a free end of the strip on the second coil.
- the device is stopped and the strip is cut. An operator must then manually transfer and reattach the free end of the strip to the second coil, disassemble the formed coil and replace it with a new empty coil. Then the device is restarted.
- the loss of time is important when it comes to changing the reel and restarting the rewinding around a new reel.
- the present configuration has in addition to other disadvantages, particularly related to the various handling of the coils, the storage and conservation of the coils, the loss of efficiency related to the shutdown of the device, etc. Indeed, the operator must perform several operations requiring the handling of heavy objects. Of course it can replace only one coil at a time, which further increases the downtime in case more coils are formed and need to be replaced. The operator must manipulate the coils near other rotating coils, which presents a risk for the work safety.
- One of the aims of the invention is therefore to propose a device making it possible to minimize the time for transferring the winding of a strip from a solid reel to a new empty reel, to also minimize the time. stopping the device, and automating the process of winding and transferring a strip to the new empty reel.
- a device for winding a strip comprising:
- the device comprises:
- a pivoting arm movable about a pivot axis between the coils and automatically controlled according to a transfer operation of a free end of the strip from the first coil to the second coil;
- the invention makes it possible to save a lot of time thanks to the two coils used alternately, the arm swinging automatically from one coil to the other, and the means for automatically attaching the strip to the empty coil.
- a full reel is evacuated and replaced by an empty reel, in masked time during the winding of the strip on the other reel.
- the operation of transferring the strip to the empty reel and reattaching it to the empty reel is performed automatically, without the intervention of an operator.
- the pivoting arm comprises means for guiding the strip during its winding around the first coil, and during its winding around the second coil, and means for locking the free end of the strip during the cutting by the cutting means, then during its transfer and its attachment to the second reel.
- the guide means of the strip are constituted by two rollers.
- the locking means of the strip comprise two pneumatic or mechanical clamping fingers, for example positioned upstream and downstream of the guide rollers.
- the means for guiding and blocking the strip are positioned at one end of the pivoting arm opposite to the pivot axis.
- the pivoting arm comprises a slider movable radially to the pivot axis between a rest position and a cutting position in which the slider discharges the strip vis-à-vis the cutting means.
- the slide In the cutting position, the slide exceeds the guide and locking means along the arm and the strip is radially extended to the pivot axis.
- the slide has two fingers to lift the strip during sliding of the slide, and whose spacing is variable to pinch the strip for the cutting operation.
- the cutting means and the pivoting arm are movable relative to each other to cut the strip off the slide.
- the cutting means are movable towards the pivoting arm supporting the strip.
- the pivoting arm supporting the strip is movable towards the cutting means.
- the cutting means and the pivoting arm are movable simultaneously towards each other.
- the cutting means comprise a pair of scissors controlled by a jack.
- the automatic attachment means comprise a receiving groove of the free end of the strip, the groove having an adjustable width so as to grip or release the free end.
- the automatic attachment means comprise a fixed element and a movable element delimiting the groove of adjustable width.
- the pivoting arm is movable parallel to the pivot axis so as to perform a cutting operation of the strip on the coils.
- the invention also relates to a method for winding a strip, successively on a first coil and then on a second coil, the method comprising steps consisting successively of:
- the method is remarkable in that after cutting, the free end of the strip is transferred to the second coil by an automatically controlled rocking arm.
- FIG. 1 is a schematic representation of a device according to the invention at the end of winding around the first coil
- Figure 2 is a schematic representation of the device in strip cutting position
- Figure 3 is a schematic representation illustrating the transfer of the strip to the second coil
- FIG. 4 is a schematic representation illustrating the winding around the second coil; For the sake of clarity, the same elements have identical reference numerals.
- the invention relates to a device (S) and a method of winding a strip (7), successively on a first coil (1) and then on a second coil (2).
- FIG. 1 shows the device (S) before a transfer
- the device comprises two coils (1, 2) for winding the strip (7).
- Each coil is installed on a respective axis (13, 14).
- the strip (7) is shown being wound around the first coil (1).
- the direction of its rotation is represented by the arrow Fl, arrow F2 showing the direction of rotation of the second coil (2).
- the device also comprises an arm (4) pivotally mounted about a pivot axis between the coils (1, 2), and provided at its end with means (5) for guiding and means (20) for locking the strip ( 7) for winding around the coils (1, 2).
- the arm (4) is preferably movable parallel to the pivot axis.
- the means (5) for guiding and the means (20) for locking are positioned at one end of the arm (4) pivoting, opposite the pivot axis.
- Said guide means (5) are constituted by two rollers (5a, 5b) between which the strip (7) scrolls, and having a spacing to allow the strip (7) to run.
- the rollers (5a, 5b) are spaced apart allowing the strip (7) to scroll by being guided by said rollers (5a, 5b).
- the device (S) advantageously comprises a control system (not shown) for detecting that the diameter of the rolled strip (3) reaches a predefined threshold.
- a control system for detecting that the diameter of the rolled strip (3) reaches a predefined threshold.
- other criteria can be used, such as for example the winding time. So the transfer of the strip (7) to the second coil (2) is started and its next phase is shown in Figure 2.
- the arm (4) has rotated about its axis of rotation to deviate from the coil (1) to prepare the cutting operation of the strip (7).
- the arm (4) comprises a slider (6) movable radially relative to the pivot axis and movable along the arm (4), for example by a jack (16), to adopt a cutting position.
- the slider (6) projects beyond the guide means (5) and the locking means (20) along the arm (4) and moves the strip (7) radially relative to the pivot axis.
- the strip (7) is offset via a finger of a pair of fingers (6a) that has the slide (6), coming to lift the strip during sliding.
- the two fingers (6a) have a variable spacing so that, after offset of the strip (7), the two fingers are brought closer to each other to tighten the strip (7).
- the strip (7) is held by the locking means (20) upstream of the rollers (5a, 5b) and by the fingers (6a) downstream of the rollers (5a, 5b).
- the locking means (20) comprise two pneumatic or mechanical clamping fingers whose spacing is reduced to tighten and lock the strip (7).
- the arm (4) is then moved along the rail (17) to face the cutting means, constituted for example by scissors (8).
- the scissors (8) can be movable to cut the strip (7) off.
- the arm (4) moves away from the scissors (8), and pivots more about its axis of rotation to approach the second coil (2) and carry out the transfer.
- the strip (7) is always held by the clamping fingers (20), and the slider (6) is returned to the rest position.
- the winding of the first spool is continued over at least one turn to finish the winding and come to plaster the remaining end of the strip.
- the pivot axis of the arm (4) is located between the coils (1, 2) so that the arm can pivot, according to a transfer operation of a free end of a strip, previously cut, from the first reel to the second reel.
- the device (S) also comprises means for guiding the free end of the strip (7), constituted by a roller (10) rotated and installed on the end of a support (9).
- the assembly is subject to a cylinder (15) allowing the roller (10) to move closer to or away from the second coil (2).
- the arm (4) and the support (9) approach the second coil (2).
- the free end of the strip (7) held by the locking means (20) and guided by the rollers (5a, 5b), is oriented towards a groove (18) receiving the second coil (2) by the rotation of the roller (10).
- the adjustable groove (18) constitutes means for automatically attaching the free end of the strip (7) to the second coil (2).
- the roller (10) has a plurality of strands in the manner of a brush to facilitate guiding the strip (7) in the groove (18).
- the groove (18) has an adjustable width, thanks to a movable portion (12) which is adapted to approach a fixed part (11) for clamping the free end of the strip (7).
- the mobile part (12) and the fixed part (11) can be made by two flanges.
- the blocking means (20) are spaced apart to allow the strip (7) to be moved and guided.
- the second spool (2) is then rotated to begin the winding operation, as shown in Figure 4.
- the arm (4) moves again along the rail (17) to face the second coil (2) and perform the simple winding or slicing operation.
- the first formed coil (1) can then be evacuated, manually or preferably by an automatic system, and in masked time during the winding of the strip (7) around the second coil (2).
- the invention makes it possible to minimize the time for transferring the winding of a strip from a solid reel to a new empty reel, to also minimize the downtime of the device, and to automate the winding process.
- the invention makes it possible to implement a method of winding a strip that is simple, fast and secure.
- the method includes the following steps:
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Replacement Of Web Rolls (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1756242A FR3068341B1 (fr) | 2017-07-03 | 2017-07-03 | Dispositif et procede d'enroulage et de transfert d'une bandelette a partir d'une bobine pleine jusqu'a une bobine vide |
PCT/EP2018/063531 WO2019007585A1 (fr) | 2017-07-03 | 2018-05-23 | Dispositif et procede d'enroulage et de transfert d'une bandelette a partir d'une bobine pleine jusqu'a une bobine vide |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3619154A1 true EP3619154A1 (fr) | 2020-03-11 |
EP3619154B1 EP3619154B1 (fr) | 2020-11-25 |
Family
ID=59649920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18724907.3A Active EP3619154B1 (fr) | 2017-07-03 | 2018-05-23 | Dispositif et procede d'enroulage et de transfert d'une bandelette a partir d'une bobine pleine jusqu'a une bobine vide |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3619154B1 (fr) |
FR (1) | FR3068341B1 (fr) |
WO (1) | WO2019007585A1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3835243B1 (fr) * | 2019-12-12 | 2022-09-28 | Desmasa, S.L. (Desarrollo de Máquinas y Soluciones Automáticas, S.L.) | Dispositif automatisé et procédure pour transférer et enfiler une bande de roulement |
FR3113382B1 (fr) | 2020-08-13 | 2022-07-15 | Michelin & Cie | Gestion d’Enroulage et de Coupe des Nappes de Produits Caoutchouteux dans Une Installation pour la Fabrication des Pneumatiques |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69033206T2 (de) * | 1989-09-27 | 1999-12-09 | Kamitsu Seisakusho Ltd | Garnaufwickelvorrichtung vom Typ Revolver-Kopf |
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 |
GB2379924A (en) * | 2001-09-22 | 2003-03-26 | Ashe Controls Ltd | Winding method and apparatus |
EP2465799A1 (fr) * | 2010-12-15 | 2012-06-20 | SAS Mondon | Dispositif d'enroulage |
-
2017
- 2017-07-03 FR FR1756242A patent/FR3068341B1/fr not_active Expired - Fee Related
-
2018
- 2018-05-23 EP EP18724907.3A patent/EP3619154B1/fr active Active
- 2018-05-23 WO PCT/EP2018/063531 patent/WO2019007585A1/fr unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019007585A1 (fr) | 2019-01-10 |
FR3068341A1 (fr) | 2019-01-04 |
FR3068341B1 (fr) | 2021-05-14 |
EP3619154B1 (fr) | 2020-11-25 |
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