EP0699610B1 - Dispositif de coupe et d'application, sans colle, du début de bande d'une nouvelle bobine sur un mandrin d'un enrouleur - Google Patents
Dispositif de coupe et d'application, sans colle, du début de bande d'une nouvelle bobine sur un mandrin d'un enrouleur Download PDFInfo
- Publication number
- EP0699610B1 EP0699610B1 EP19950440044 EP95440044A EP0699610B1 EP 0699610 B1 EP0699610 B1 EP 0699610B1 EP 19950440044 EP19950440044 EP 19950440044 EP 95440044 A EP95440044 A EP 95440044A EP 0699610 B1 EP0699610 B1 EP 0699610B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pivoting
- arms
- strip
- core
- fact
- 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.)
- Expired - Lifetime
Links
- 238000005520 cutting process Methods 0.000 title claims description 36
- 210000000078 claw Anatomy 0.000 claims description 7
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000000969 carrier Substances 0.000 claims 5
- 238000004804 winding Methods 0.000 description 29
- 239000003292 glue Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- KWGRBVOPPLSCSI-WPRPVWTQSA-N (-)-ephedrine Chemical compound CN[C@@H](C)[C@H](O)C1=CC=CC=C1 KWGRBVOPPLSCSI-WPRPVWTQSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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 present invention relates to the field of winding machines strip materials for the production of coils and relates to a device cutting and applying, without glue, the strip start of a new reel on a reel mandrel.
- the winding of strips by means of winding machines poses generally the problem, on the one hand, of the cutting of the strip and, on the other hand, of the correct application of the end of the strip to the mandrel after cutting. AT this effect, it is possible to make the cut while the strip is running following a principle called cutting on the fly, in which a knife is thrown in the path of the strip and the cut end of the strip is projected onto a mandrel pre-glued or fitted with one or more adhesive strips of receiving said end, which is further clamped on said mandrel by the strip during its winding.
- strip materials require winding on the receiving mandrel without applying glue or adhesive tape, by simple pinching of the first coiled turns, with a view to their transformation later.
- Such a winding is particularly difficult to achieve, avoiding any risk of slipping when starting the winding in the case for winding relatively rigid materials.
- this document GB-A-1 154 662 describes a first means pivoting partially surrounding the new mandrel and a second means pivot for making the cut of the strip to be wound.
- This second plea swivel consists, in fact, only of a serrated knife, extending over the entire width of the pivoting means and disposed at the end of a pressurized air box and tending to carry out the introduction of the beginning of the strip into the shell formed by the first pivoting means, upon arrival at the end of the knife cutting stroke, this introduction being favored by air blowing.
- blowing air due to a cut along a serrated line, in case of winding of a particularly material flexible, blowing air combined with rapid rotation may not present a sufficient effectiveness to avoid folding of the tips of the teeth.
- DE-A-39 00560 describes a device for winding a start of strip on a mandrel, this device consisting of a pair of prongs each provided with an articulated partial closing lever, said claws and their articulated levers being interconnected by shafts guided in rotation, on which are mounted parallel belts.
- the device can be caused to extend partially around of the new mandrel, on which the strip must be wound, the belts being intended, on the one hand, to apply the start of strip to the new mandrel, and, on the other hand, to guide it around said mandrel until at least one revolution winding, this avoiding any overturning of the front end of the strip or during the winding of the first turn.
- This device does not, however, provide a second means intended to perfect the introduction of the strip into the device, as well as its hold without crease during the realization of the first turn. Indeed, it is not planned no movable means tending to follow the movement of the end of the strip at wrap.
- the object of the present invention is to overcome these drawbacks by proposing a cutting and application device making it possible to surround a new mandrel over most of its periphery to promote winding of a strip start following a cut of said strip, this cut being a straight cut, frank and not serrated.
- the first pivoting means comprises a support crosspiece a cross-cut knife in the form of a carriage guided on the cross member and actuated by a jack and cooperating with a transverse anvil also extending between arms forming a pivoting frame constituting the first pivoting means, said anvil forming a stop for an anvil analog fixed to the corresponding end of the second pivoting
- the device for cutting and applying, without glue, the start of a new strip coil on a mandrel 1 of a reel essentially consists of a first pivoting means 2 for cutting the strip 3 to be wound up and applying the end of the latter on a new mandrel 1, without prior gluing of the latter, and by a second pivoting means 4 for introducing, after cutting, the end of the strip 3 in the first pivoting means 2 and for applying said strip 3 on the new mandrel 1.
- the first pivoting means 2 is constituted by a pivoting frame formed by a pair of arms 5 extending parallel near the edges of the frame 6 of the winding machine, interconnected by a cross member 7 supporting a cross-cut knife 8 and each actuated by a jack 11 and by a first set of parallel elastic belts 9, endless, mounted on at least a pair of parallel shafts 10, guided in rotation, at their ends on the arms 5 ( Figures 1 to 3).
- the parallel elastic belts 9 are preferably mounted on three trees arranged in parallel so as to form in vertical section a triangle, one of whose sides formed by the belts 9 is deformable elastically by application against the mandrel 1 and one of the vertices of which is formed by one of the shafts 10, is movable by pivoting, by means of a pair of arms 12, represented in FIG. 3 by a simple center line. So when pivoting of the arms 5 carrying the shafts 10 with the belts 9 and of the application said belts 9 on the mandrel 1, there is a tension of the belts 9 due to their deformation during winding on the mandrel 1, this tension being compensated by a pivoting of the shaft 10 mounted on the arms 12.
- the elastic belts 9 are loaded in the rest position by a tensioning device preliminary constituted by a roller or a shaft 13 pivotally mounted on the chassis formed by the arms 5 by means of pivoting levers 14, shown in Figure 3 by a center line, said levers being loaded by return springs (not shown), tending to tension the belts 9 between the two fixed shafts 10 in the direction of the new mandrel 1.
- the arms 5 carrying the shafts 10 advantageously have a cutting into a portion of a circle 15 extending between the bearings of the two shafts fixed 10 for supporting the belts 9.
- a passage for the mandrel 1 is released on the arms 5 allowing perfectly the application of the belts on said mandrel 1 without risk of contact of the arms 5 with the ends of the mandrel 1 or with the latter's support hubs.
- teeth 16 are arranged at regular intervals on a shaft 17 extending between the arms 5 near their free end, that is to say near the bearings of the fixed shaft 10 most the exterior with respect to the pivoting arms 5, the ends of said teeth 16 projecting beyond the free ends of the arms 5 and extending pivotally towards the mandrel 1 inwards relative to the cut in a portion of a circle 15, these pivoting teeth 16 being loaded at their other end by springs of return 18 and coming into abutment against stops 19, the return springs and stops being advantageously mounted on crosspieces connecting the arms 5.
- the first pivoting means has beak-shaped elements formed by the teeth 16 and tending to apply intimately the end of the strip to be wound on the chuck 1.
- the cross-cut knife 8 is in the form of a carriage guided on the cross-member 7 and actuated by a jack and cooperates with a transverse anvil 20 also extending between the arms 5, this so-called anvil 20 forming a stop for a similar anvil 21 fixed at the end corresponding to the second pivoting means 4, the cutting plane of the knife 8 preferably being located near the axis of the lower fixed shaft 10 of guide and support of the first set of parallel elastic belts 9 (figure 3).
- the second pivoting means 4 is constituted by two parallel arms upper 22, pivotally mounted on the chassis 6 of the unwinding machine and each actuated at one end by a jack 23, their other end having a hook shape in an arc 24, and by a set 25 of application of the end of the strip on the mandrel 1 extending between the arms 22.
- the assembly 25 for applying the strip end to the mandrel 1 is constituted by a second train of parallel elastic belts 26, without end, mounted on at least two pairs of parallel shafts 27 extending between the arms superiors 22.
- the parallel elastic belts 26 are preferably mounted on three parallel shafts 27 forming a triangle with variable section, one of which sides formed by the belts 26 is elastically deformable by application against the mandrel 1 and one of the vertices of which is formed by one of the shafts 27, is pivotally movable, via a pair of arms 28 (shown by their center line in Figure 3).
- the elastic belts 26 are loaded in the rest position by a tensioning device preliminary consisting of a roller or a shaft 29 pivotally mounted between the upper arms 22 by means of pivoting levers 30, represented by their center line in Figure 3, said levers being loaded by return springs (not shown), tending to tension the belts 26 between the two fixed shafts 27 in the direction of the new mandrel 1.
- the application assembly 25 of the strip end on the mandrel 1 is advantageously mounted, with possibility of movement, between the upper arms 22, by means of two support carriages 31 guided in rails in an arc 32, provided on the corresponding faces of the upper arms 22, by means of rollers 33, one at least said carriages 31 being actuated in displacement by means of a cylinder 34 ( Figure 2).
- This embodiment allows, by application of the assembly 25 on the new mandrel 1, to start the winding of the strip on said new mandrel 1, by movement of the carriages 1 in the position shown in broken line at the end in FIG.
- the second pivoting means 4 is advantageously provided, between the support carriages 31, at regular intervals, with staggered arrangement by relative to the teeth 16, of longitudinal guide claws 35, the end of which facing the teeth 16 moves away from the mandrel 1.
- the shafts 27 of guide of the elastic belts 26 are advantageously constituted by a plurality of short rollers mounted on a rotating guide axis simultaneously forming a support for the longitudinal guide claws 35.
- the rails of guiding in an arc of a circle 32 are advantageously provided, on their turned side outwardly of the arms 22, of a rack 36 meshing with a pinion corresponding 37 guided on the carriage 31, the pinions 37 of the two carriages 31 of support of the assembly 25 being interconnected by a rigid shaft. So it is possible to provide only a single actuator 34 for actuating a carriage 31, the actuation of this single carriage 31 having the effect, by meshing of the pinion 37 corresponding with the rack 36, to rotate corresponding to the pinion 37 of the other carriage 31 and, thus, by meshing with the corresponding rack 36, synchronous drive and displacement of said other carriage 31.
- each arm upper 22 is provided at its free end 24 in the form of a hook with a stop 38 intended to cooperate with an adjustable stop 39 provided on the arms 5 of the first pivoting means 2.
- the contact between these two stops corresponds to the strip cross-sectional position, in which the anvils 20 and 21 tighten said strip for cutting by the knife 8.
- the second pivoting means 4 is provided, between the hook-shaped ends in an arc 24 of the arms 22, of a roller transverse 40 for deflecting the strip to be cut and wound.
- This roll 40 is especially intended to bring the strip to be cut into its position pinching by anvils 20 and 21.
- the device for cutting and applying the start of a strip new coil on a reel mandrel works as follows:
- the operator who has previously mounted a new non-glued mandrel 1, initiates the procedure cutting the strip and applying the end to the new mandrel 1.
- the drive of the full reel is stopped and the first pivoting means 2 is then tilted by means of the jacks 11 in its position shown in the Figure 1, in which the first set of elastic belts 9 is applied in an arc of circle around the mandrel 1 and the second pivoting means 4 is tilted by via the jacks 23, also in the position shown in FIG. 1.
- the strip is deflected by the roller 40 and is brought between the anvils 20 and 21.
- the cutting knife transverse 8 is then actuated, then the assembly 25 is moved by the carriages 31 actuated by the cylinder 34 and moving in synchronism thanks to the pinion 37 meshing with the racks 36 of the guide rails 32, in order to bring the cut end of the strip between the end of the belts 9 and the new chuck 1.
- the progress of the various operations can be controlled by a programmable controller or the like, so the operator only needs to set up the new mandrel and integrate the different parameters winding, namely the length of the wound strip or the reel diameter, etc.
- the strip to be wound is stored in a tape accumulator provided upstream.
- the invention it is possible to make a cut and a perfect application of the start of a strip to be wound on a new mandrel, without bonding, in particular in the case of winding fragile materials.
Landscapes
- Replacement Of Web Rolls (AREA)
Description
Claims (12)
- Dispositif de coupe et d'application, sans colle, du début de bande d'une nouvelle bobine sur un mandrin (1) d'un enrouleur, essentiellement constitué par un premier moyen pivotant (2) de coupe de la bande (3) à enrouler et d'application de l'extrémité de cette dernière sur un nouveau mandrin (1), sans encollage préalable de ce dernier, et par un deuxième moyen pivotant (4) d'introduction, après coupe, de l'extrémité de la bande (3) dans le premier moyen pivotant (2) et d'application de ladite bande (3) sur le nouveau mandrin (1), le deuxième moyen pivotant (4) comportant un ensemble (25) d'application de l'extrémité de bande sur le mandrin (1) s'étendant entre des bras (22) montés à pivotement sur le châssis (6) de la machine à dérouler, caractérisé en ce que le premier moyen pivotant (2) comporte une traverse (7) de support d'un couteau de coupe transversale (8) se présentant sous forme d'un chariot guidé sur la traverse (7) et actionné par un vérin et coopérant avec une enclume transversale (20) s'étendant également entre des bras (5) formant un châssis pivotant constituant le premier moyen pivotant (2), cette dite enclume (20) formant une butée pour une enclume analogue (21) fixée à l'extrémité correspondante du deuxième moyen pivotant (4), le plan de coupe du couteau (8) étant préférentiellement situé à proximité de l'axe d'un arbre fixe (10) inférieur de guidage et de support d'un premier train de courroies élastiques parallèles (9).
- Dispositif, suivant la revendication 1, caractérisé en ce que les courroies élastiques parallèles (9) sont, de préférence, montées sur trois arbres disposés parallèlement de manière à former en section verticale un triangle, dont l'un des côtés formés par les courroies (9) est déformable élastiquement par application contre le mandrin (1) et dont l'un des sommets, formé par l'un des arbres (10), est déplaçable par pivotement, par l'intermédiaire d'une paire de bras (12) et en ce qu'elles sont chargées, en position de repos, par un dispositif de tension préalable constitué par un rouleau ou un arbre (13) monté de manière pivotante sur le châssis formé par les bras (5) par l'intermédiaire de leviers de pivotement (14), lesdits leviers étant chargés par des ressorts de rappel tendant à tendre les courroies (9) entre les deux arbres fixes (10) en direction du nouveau mandrin (1).
- Dispositif, suivant l'une quelconque des revendications 1 et 2, caractérisé en ce que des dents (16) sont disposées à intervalles réguliers sur un arbre (17) s'étendant entre les bras (5) près de leur extrémité libre, c'est-à-dire à proximité des paliers de l'arbre fixe (10) le plus à l'extérieur par rapport aux bras pivotants (5), les extrémités desdites dents (16) dépassant les extrémités libres des bras (5) et s'étendant en pivotement vers le mandrin (1) vers l'intérieur par rapport à la découpe en portion de cercle (15), ces dents pivotantes (16) étant chargées à leur autre extrémité par des ressorts de rappel (18) et venant en butée contre des arrêts (19), les ressorts de rappel et les arrêts étant montés sur des traverses reliant les bras (5).
- Dispositif, suivant la revendication 1, caractérisé en ce que l'ensemble (25) d'application de l'extrémité de bande sur le mandrin (1) est monté, avec possibilité de déplacement, entre les bras supérieurs (22), au moyen de deux chariots de support (31) guidés dans des rails en arc de cercle (32), prévus sur les faces correspondantes des bras supérieurs (22), par l'intermédiaire de galets (33), l'un au moins desdits chariots (31) étant actionné en déplacement au moyen d'un vérin (34).
- Dispositif, suivant l'une quelconque des revendications 1 et 4, caractérisé en ce que l'ensemble (25) d'application de l'extrémité de bande sur le mandrin (1) est constitué par un deuxième train de courroies élastiques parallèles (26), sans fin, montées sur au moins deux arbres parallèles (27) s'étendant entre les bras supérieurs (22) et guidées sur les chariots supports (31).
- Dispositif, suivant l'une quelconque des revendications 4 et 5, caractérisé en ce que les courroies élastiques parallèles (26) sont montées sur trois arbres parallèles (27) formant un triangle à section variable, dont l'un des côtés formés par les courroies (26) est déformable élastiquement par application contre le mandrin (1) et dont l'un des sommets, formé par l'un des arbres (27), est déplaçable par pivotement, par l'intermédiaire d'une paire de bras (28).
- Dispositif, suivant l'une quelconque des revendications 5 et 6, caractérisé en ce que les courroies élastiques parallèles (26) sont chargées, en position de repos, par un dispositif de tension préalable constitué par un rouleau ou un arbre (29) monté de manière pivotante entre les bras supérieurs (22) par l'intermédiaire de leviers de pivotement (30), lesdits leviers étant chargés par des ressorts de rappel tendant à tendre les courroies (26) entre les deux arbres fixes (27) en direction du nouveau mandrin (1).
- Dispositif, suivant l'une quelconque des revendications 1 et 3 à 5, caractérisé en ce que, afin de garantir un passage parfait du début de bande de la sortie du premier moyen pivotant (2), et en particulier des dents pivotantes (16), vers l'ensemble (25), le deuxième moyen pivotant (4) est pourvu, entre les chariots supports (31), à intervalles réguliers, avec disposition en quinconce par rapport supports (31), à intervalles réguliers, avec disposition en quinconce par rapport aux dents pivotantes (16), de griffes longitudinales de guidage (35), dont l'extrémité tournée vers les dents pivotantes (16) s'écarte du mandrin (1).
- Dispositif, suivant la revendication 8, caractérisé en ce que les arbres (27) de guidage des courroies élastiques (26) sont constitués par une pluralité de galets de faible longueur montés sur un axe de guidage en rotation formant simultanément un support pour les griffes longitudinales de guidage (35).
- Dispositif, suivant la revendication 4, caractérisé en ce que les rails de guidage en arc de cercle (32) sont munis, sur leur face tournée vers l'extérieur des bras (22), d'une crémaillère (36) engrenant avec un pignon correspondant (37) guidé sur le chariot (31), les pignons (37) des deux chariots (31) de support de l'ensemble (25) étant reliés entre eux par un arbre rigide.
- Dispositif, suivant l'une quelconque des revendications 1, 4, 5 et 7, caractérisé en ce que chaque bras supérieur (22) est pourvu à son extrémité libre (24) en forme de crochet d'une butée (38) destinée à coopérer avec une butée réglable (39) prévue sur les bras (5) du premier moyen pivotant (2).
- Dispositif, suivant l'une quelconque des revendications 1, 3 à 5, 7 et 10 caractérisé en ce que le deuxième moyen pivotant (4) est pourvu, entre les extrémités en forme de crochet en arc de cercle (24) des bras (22), d'un rouleau transversal (40) de déviation de la bande à couper et à enrouler.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9409880 | 1994-08-05 | ||
FR9409880A FR2723361B1 (fr) | 1994-08-05 | 1994-08-05 | Dispositif de coupe et d'application, sans colle, du debut de bande d'une nouvelle bobine sur un mandrin d'un enrouleur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0699610A1 EP0699610A1 (fr) | 1996-03-06 |
EP0699610B1 true EP0699610B1 (fr) | 1998-11-18 |
Family
ID=9466215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19950440044 Expired - Lifetime EP0699610B1 (fr) | 1994-08-05 | 1995-07-12 | Dispositif de coupe et d'application, sans colle, du début de bande d'une nouvelle bobine sur un mandrin d'un enrouleur |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0699610B1 (fr) |
DE (1) | DE69506060T2 (fr) |
FR (1) | FR2723361B1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19502769C2 (de) * | 1995-01-30 | 1997-04-03 | Kampf Gmbh & Co Maschf | Vorrichtung zum kleberfreien Anlegen von Warenbahnen in einer Wickelmaschine, vorzugsweise einer Mehrfachwickelmaschine |
DE10342213A1 (de) * | 2003-09-12 | 2005-04-07 | Voith Paper Patent Gmbh | Verfahren zum Aufwickeln einer laufenden Materialbahn sowie Wickelmaschine zur Durchführung des Verfahrens |
CN102514962B (zh) * | 2012-01-06 | 2014-11-05 | 广东达诚机械有限公司 | 一种换卷机构 |
FR3068341B1 (fr) * | 2017-07-03 | 2021-05-14 | Spoolex | Dispositif et procede d'enroulage et de transfert d'une bandelette a partir d'une bobine pleine jusqu'a une bobine vide |
CN107934024B (zh) * | 2017-10-27 | 2023-08-29 | 华美节能科技集团有限公司 | 一种柔性板材包装机 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1154662A (en) * | 1967-02-02 | 1969-06-11 | Agfa Gevaert Nv | Web Winding Apparatus. |
US3614010A (en) * | 1969-09-03 | 1971-10-19 | Eddystone Machinery Co | Cloth winder having cutter and pressure bar |
US3633840A (en) * | 1970-03-02 | 1972-01-11 | Eddystone Machinery Co | Winding sheet material with threading device |
BE792966A (nl) * | 1971-12-30 | 1973-06-19 | Agfa Gevaert Nv | Tweevoudige bandwikkelautomaat |
US3908924A (en) * | 1973-05-16 | 1975-09-30 | Greene Gmbh & Co Kg Maschbau | Winding machines |
CH567999A5 (en) * | 1973-06-15 | 1975-10-15 | Oerlikon Buehrle Ag | Winding machine cutting device - has guide attached to knife blade able to cut web against sleeve |
US4326679A (en) * | 1980-07-02 | 1982-04-27 | The Black Clawson Company | Method and apparatus for roll changing on a winder device |
JPS59167441A (ja) * | 1983-03-10 | 1984-09-20 | Fujikura Ltd | 両面粘着性シ−トの巻取筒への張付装置 |
DE3900560A1 (de) * | 1989-01-11 | 1990-07-12 | Maier Christian Masch | Vorrichtung zum aufwickeln von warenbahnen |
-
1994
- 1994-08-05 FR FR9409880A patent/FR2723361B1/fr not_active Expired - Lifetime
-
1995
- 1995-07-12 DE DE1995606060 patent/DE69506060T2/de not_active Expired - Fee Related
- 1995-07-12 EP EP19950440044 patent/EP0699610B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0699610A1 (fr) | 1996-03-06 |
FR2723361A1 (fr) | 1996-02-09 |
DE69506060D1 (de) | 1998-12-24 |
DE69506060T2 (de) | 1999-06-17 |
FR2723361B1 (fr) | 1996-10-31 |
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