EP0228997B1 - Apparatus for coiling an elongated material - Google Patents

Apparatus for coiling an elongated material Download PDF

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Publication number
EP0228997B1
EP0228997B1 EP86810598A EP86810598A EP0228997B1 EP 0228997 B1 EP0228997 B1 EP 0228997B1 EP 86810598 A EP86810598 A EP 86810598A EP 86810598 A EP86810598 A EP 86810598A EP 0228997 B1 EP0228997 B1 EP 0228997B1
Authority
EP
European Patent Office
Prior art keywords
drum
barrel
axis
gripping
cutting
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
Application number
EP86810598A
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German (de)
French (fr)
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EP0228997A2 (en
EP0228997A3 (en
Inventor
Alain Thely
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maillefer SA
Original Assignee
Maillefer SA
Nokia Maillefer SA
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to AT86810598T priority Critical patent/ATE64918T1/en
Publication of EP0228997A2 publication Critical patent/EP0228997A2/en
Publication of EP0228997A3 publication Critical patent/EP0228997A3/en
Application granted granted Critical
Publication of EP0228997B1 publication Critical patent/EP0228997B1/en
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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
    • 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
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
    • B65H67/044—Continuous winding apparatus for winding on two or more winding heads in succession
    • B65H67/048—Continuous winding apparatus for winding on two or more winding heads in succession having winding heads arranged on rotary capstan head
    • 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
    • B65H2701/30—Handled filamentary material
    • B65H2701/33—Hollow or hose-like material

Definitions

  • the present invention relates to an automatic reel of an elongated product intended to form torches, comprising two permutable winding drums and cutting and fixing means capable of cutting the elongated product during each permutation and of fixing the free end of this product to a drum at each cutting operation.
  • Automatic winders are used to wind various elongated products which open continuously from a production line. It can be electrical cables, but also plastic profiles or tubes having a circular profile or another shape.
  • the reels generally have two drums designed either to receive coils or to directly support the winding when it comes to forming torches. By working alternately on one drum and on the other, it is possible to interpose certain operations on the winding which is finished, while continuing the winding of the product on the other drum.
  • various means are already known which make it possible to automatically pass the elongated product from one drum to another when a coil or a torch is finished.
  • Patent GB-A-1074 709, American patent US 3,704,839, German patent DE 821,666 or Swiss patent CH 582106 for example describe devices of this kind.
  • the object of the present invention is to provide a solution to this problem by means of a device which does not require any adjustment whatever the section of the product which it is desired to wind.
  • each drum carries a cutting and pinching device actuated by a control member.
  • the reel shown schematically in Figs. 1 to 2 is arranged so as to form, from a plastic tube 1 which leaves a production line, torches which can be harvested alternately on each of the two drums 2 and 3 which the reel comprises.
  • These two drums pivot at the two ends of an arm 4 which constitutes the frame of the barrel and which is itself supported in the middle of its length by a shaft end 5 in a fixed frame 6 containing the bearing of the shaft 5, means for driving the barrel 4 in rotation and various accessories which are not important here.
  • the operation of the reel is as follows: the free end of the product 1 is fixed to the reel drum which is in position 3 and while this drum is rotated, the product 1 is guided by a slicing device 7 so as to form layers of successive turns on the drum 3.
  • the barrel 4 rotates clockwise in FIG. 1 by 180 ° and the drum 2 which is empty takes the place of the drum 3.
  • the product 1 is sectioned on the empty drum and fixed to this drum by a clamping device while a binding machine 8 disposed in the vicinity of the drum which is in position 2 comes into action to bind the torch formed on this drum, which allows the unloading of the torch.
  • the drum in position 3 continues to rotate, so that a new torch is formed on its barrel.
  • each drum has two flanges 9 and 10 and between these flanges a barrel 11, but as will be seen later, the flanges and the barrel of each drum are divided into segments or sectors distributed circumferentially around the axis of the drum, and the sectors which constitute the flange 10 are pivotably mounted so as to assume a position oriented parallel to the axis of the drum as shown in 10 ⁇ in FIG. 2.
  • the torch formed on the barrel 11 is accessible and can be easily discharged.
  • Figs. 3, 4 and 5 we will describe in more detail the constitution of one of the drums 2 and 3, and more precisely of the cutting and pinching device that each of these drums comprises.
  • Fig. 3 is a partial elevation view in the direction of the arrow A in FIG. 1 showing part of a drum whose axis (not shown) is located at the top of the drawing with a horizontal orientation.
  • a star 12 which is integral with the shaft connecting the drum to the barrel 4.
  • This star has a certain number of radial grooves converging towards the axis of rotation of the drum and which each serve to fix and guide a base 13 whose position can therefore be adjusted in the radial direction which allows to vary the diameter of the drum barrel and therefore to adapt it to torches of different dimensions.
  • the number of plinths and therefore grooves formed in the star 12 can be for example six or eight, or if necessary four, depending on the embodiments.
  • Each base 13 comprises means for guiding and clamping a flange sector 14 which is contained in a plane perpendicular to the axis of the drum and which is supported by a slide 15, so that each of the flange sectors 14 can be moved in the direction parallel to the axis of the drum, which makes it possible to fix its position and consequently to determine the width of the torch which will be formed on the drum.
  • the base 13 has an axial extension 13a at the free end of which pivots a profiled arm 16 to which is fixed a foldable flange sector 17.
  • This flange sector has the same shape and the same dimensions as the sector 14
  • the arm 16 and the sector 17 together constitute a valve which can be folded down around a pivot axis 18 which extends in the circumferential direction at a distance from the axis of the drum which is determined by the position of the base 13.
  • the base 13 also carries a barrel plate 19 which is constituted by a curved sheet. This sheet is fixed at one end to an arm 20 which pivots at 21 on the base 13.
  • the arm 20 is linked by an articulated link 23 to a transmission and control mechanism.
  • This transmission and control mechanism firstly comprises a jack, the cylinder 24 of which is fixed by its base to the base 13 in a position parallel to the axis of the drum.
  • a movable rod 25 comes out of the cylinder 24 and at its free end it is articulated on a transmission lever 26 which pivots itself at 27 on the end of the axial extension 13a of the base 13.
  • the lever 26 has as a triangular shape . In the vicinity of one of its peaks it is linked by the articulation 28 to the rod 25 of the jack, while in the vicinity of another vertex, opposite the articulation point 27 it is articulated by means of a link 29 on the arm 16 carrying the sector 17. It will be understood that an actuation of the jack 24 causing the rod 25 to move to the left in FIG.
  • This knife blade 30 is a steel blade fixed in a radial plane containing the axis of the drum at the end of the extension of the base 13.
  • This knife blade 30 has a profiled edge 31 arranged so as to facilitate cutting of the product 1.
  • this knife is arranged in a radial position between the barrel 11 and the pivot axis of the valves. 17.
  • the extension 13a carries a pinch lever 32 (fig. 4) which pivots around a hinge 33 on the extension 13a.
  • this lever has a segment in the shape of a claw 34 which is kept pressed against the end of the product 1, housed under the barrel segment 19.
  • the elements of the drum are recognized in FIG.
  • the arm 16 of the valve 17 has between its articulation point 18 and the place where it is fixed to the sector 17 a notch 35 which constitutes a hooking member for the product 1.
  • the pinch lever 32 is biased by an arguated hairpin spring 36 which is fixed by a stirrup 37 on the upper part of the base 13 and which itself carries at the end of one of its branches a stirrup 38 embracing the lever 32.
  • the end of the other branch of the spring 36 is also engaged in a cylindrical opening which has a stud 39 pivotally mounted on the extension 13a of the base 13.
  • the drum which is in position 2 remains stationary during the formation of a new torch on the drum which is in position 3, that is to say that the valves 17 remain in the open position and the clamping lever 32 remains in the raised position as seen in FIG. 5.
  • the product is instantly sectioned and at the same time, as the roller 37 performs a downward movement in FIG. 5, it lets the pinch lever 32 move downward under the effect of the force of the spring 36 transmitted by the caliper 38.
  • the initial segment of the new torch is therefore pinched against the internal face of the barrel segment 19 , so that the product 1 continues to be driven, but by the empty drum, and no longer by the full drum.
  • the valve 17 can continue its stroke until the final position of its movement as shown in FIGS. 3 and 4.
  • the product segment which is adjacent to part 42 passes between the barrel segment equipped with the cutting and nipping device and the segment next and go over part 19 of that segment.
  • the pulling force which is exerted on the product 1 is transmitted to this product by the pinching lever 32 and to ensure the achievement of this effort, a bracket 43 is also provided on the extension 13a of the base 13 to hold the lever 32 in position.
  • the device thus produced is capable of operating in a perfectly regular manner. It requires no adjustment whatever the section of the elongated product that one wishes to wind. The force required for gripping is given by the hairpin spring 36 and therefore the gripping force is greater the greater the section of the product.
  • the operation of the device shown in the drawing has been explained by assuming that the elongated product 1 was a plastic tube, but it should be understood that this product could also be a cable, a flexible profile, a bar, or any other elongated product. capable of being packaged as a torch or coil.

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  • Replacement Of Web Rolls (AREA)
  • Wire Processing (AREA)

Abstract

The cutting and pinching device is fixed onto one of the bases (13) which are distributed on the star-configured support element (12) in each of two reels of the winder. When the empty reel comes into the winding position, the extreme portion (42) of the product to be wound passes into a position tangential to the flap (17) opposite the blade (30) of the cutter. When the jack (24) is actuated so as to bring the flap (17) back into a position parallel to the corresponding sector (14), the extreme portion of the elongate product is pressed against the cutter (30) while the pinching lever (32) is lowered onto the initial segment of the elongated material adjacent to the extreme portion. The initial segment is pinched against the interior face of the barrel segment (19) and passes between this barrel segment and the adjacent segment in order to wind the barrel and permit the formation of the new reel (41). <IMAGE>

Description

La présente invention a pour objet un enrouleur automatique d'un produit allongé destiné à former des torches, comprenant deux tambours d'enroulement permutables et des moyens de coupe et de fixation capables de couper le produit allongé lors de chaque permutation et de fixer l'extrémité libre de ce produit à un tambour à chaque opération de coupe.The present invention relates to an automatic reel of an elongated product intended to form torches, comprising two permutable winding drums and cutting and fixing means capable of cutting the elongated product during each permutation and of fixing the free end of this product to a drum at each cutting operation.

Les enrouleurs automatiques sont utilisés pour bobiner divers produits allongés qui débouchent en continu d'une ligne de production. Il peut s'agir de câbles électriques, mais également de profilés en matière plastique ou de tubes ayant un profil circulaire ou d'une autre forme. Pour travailler en continu, les enrouleurs comportent généralement deux tambours conçus soit pour recevoir des bobines, soit pour supporter directement l'enroulement lorsqu'il s'agit de former des torches. En travaillant alternativement sur un tambour et sur l'autre, on peut intercaler certaines opérations sur l'enroulement qui est terminé, tout en continuant l'enroulement du produit sur l'autre tambour. Dans les enrouleurs de ce genre, on connaît déjà différents moyens permettant de faire passer automatiquement le produit allongé d'un tambour à l'autre lorsqu'une bobine ou une torche est terminée. Le brevet GB-A-1074 709, le brevet américain US 3,704,839, le brevet allemand DE 821,666 ou le brevet suisse CH 582106 par exemple décrivent des dispositifs de ce genre.Automatic winders are used to wind various elongated products which open continuously from a production line. It can be electrical cables, but also plastic profiles or tubes having a circular profile or another shape. To work continuously, the reels generally have two drums designed either to receive coils or to directly support the winding when it comes to forming torches. By working alternately on one drum and on the other, it is possible to interpose certain operations on the winding which is finished, while continuing the winding of the product on the other drum. In winders of this kind, various means are already known which make it possible to automatically pass the elongated product from one drum to another when a coil or a torch is finished. Patent GB-A-1074 709, American patent US 3,704,839, German patent DE 821,666 or Swiss patent CH 582106 for example describe devices of this kind.

Toutefois, les opérations de coupe et de fixation du produit allongé restent des opérations délicates qui exigent avec les dispositifs connus soit un ralentissement de la ligne de production, soit même dans certains cas son arrêt, ce qui peut, lorsque la vitesse du produit est grande, perturber le bon fonctionnement de toute la ligne de fabrication surtout dans le cas où le fonctionnement de cette ligne est sensible à des variations de vitesse. Dans le cas par exemple de lignes d'extrusion destinées à fournir des produits de haute qualité il arrive que la nécessité d'imposer des variations de vitesse à la ligne soit particulièrement gênante.However, the cutting and fixing operations of the elongated product remain delicate operations which require with known devices either a slowing down of the production line, or even in in some cases it stops, which can, when the speed of the product is high, disrupt the proper functioning of the entire production line, especially in the case where the operation of this line is sensitive to variations in speed. In the case, for example, of extrusion lines intended to supply high quality products, it sometimes happens that the need to impose variations in speed on the line is particularly troublesome.

Le but de la présente invention est d'apporter une solution à ce problème au moyen d'un dispositif qui ne demande aucun réglage quelle que soit la section du produit que l'on désire enrouler.The object of the present invention is to provide a solution to this problem by means of a device which does not require any adjustment whatever the section of the product which it is desired to wind.

Dans ce but, l'enrouler selon l'invention du genre spécifié au début est caractérisé en ce que chaque tambour porte un dispositif de coupage et de pincement actionné par un organe de commande.For this purpose, the winding according to the invention of the kind specified at the start is characterized in that each drum carries a cutting and pinching device actuated by a control member.

On va décrire ci-après à titre d'exemple une forme d'exécution de l'objet de l'invention en se référant au dessin annexe, dans lequel :

  • la fig. 1 est une vue en élévation schématique d'un enrouler comportant deux tambours montés sur un bâti basculant,
  • la fig. 2 est une vue en plan de dessus de l'enrouleur de la fig. 1,
  • la fig. 3 est une vue en élévation dans le sens de la flèche A de la fig. 1 montrant à plus grande échelle une partie d'un des tambours de l'enrouleurs,
  • la fig. 4 est une vue également en élévation montrant à la même échelle que la fig. 3 la même partie de l'enrouleur mais vue dans le sens de la flèche B à la fig. 1, et
  • la fig. 5 est une vue de la même partie de l'enrouleur qu'à la fig. 4 dans une autre position de fonctionnement.
An embodiment of the subject of the invention will be described below by way of example with reference to the accompanying drawing, in which:
  • fig. 1 is a schematic elevation view of a winder comprising two drums mounted on a tilting frame,
  • fig. 2 is a top plan view of the reel of FIG. 1,
  • fig. 3 is an elevational view in the direction of arrow A in FIG. 1 showing on a larger scale part of one of the drums of the reels,
  • fig. 4 is a view also in elevation showing on the same scale as FIG. 3 the same part of the reel but seen in the direction of the arrow B in FIG. 1, and
  • fig. 5 is a view of the same part of the reel as in FIG. 4 in another operating position.

L'enrouleur représenté schématiquement aux fig. 1 à 2 est agencé de façon à former à partir d'un tube de matière plastique 1 qui sort d'une ligne de production, des torches qui peuvent être récoltées alternativement sur chacun des deux tambours 2 et 3 que comporte l'enrouleur. Ces deux tambours pivotent aux deux extrémités d'un bras 4 qui constitue l'armature du barillet et qui est supporté lui-même au milieu de sa longueur par un bout d'arbre 5 dans un bâti fixe 6 contenant le palier de l'arbre 5, des moyens d'entraînement en rotation du barillet 4 et divers accessoires qui ne sont pas importants ici. De façon générale, le fonctionnement de l'enrouleur est le suivant: l'extrémité libre du produit 1 est fixée au tambour d'enrouleur qui se trouve dans la position 3 et pendant que ce tambour est entraîné en rotation, le produit 1 est guidé par un dispositif de trancannage 7 de façon à former des couches de spires successives sur le tambour 3. Lorsque le nombre de couches désirées a été formé, le barillet 4 tourne dans le sens horaire à la fig. 1 de 180° et le tambour 2 qui est vide vient prendre la place du tambour 3. A ce moment, le produit 1 est sectionné sur le tambour vide et fixé à ce tambour par un dispositif de pincement tandis qu'une machine de liage 8 disposée au voisinage du tambour qui se trouve dans la position 2 entre en action pour lier la torche formée sur ce tambour, ce qui permet le déchargement de la torche. Pendant ce temps, le tambour qui se trouve dans la position 3 continue à tourner, de sorte qu'une nouvelle torche se forme sur son fût.The reel shown schematically in Figs. 1 to 2 is arranged so as to form, from a plastic tube 1 which leaves a production line, torches which can be harvested alternately on each of the two drums 2 and 3 which the reel comprises. These two drums pivot at the two ends of an arm 4 which constitutes the frame of the barrel and which is itself supported in the middle of its length by a shaft end 5 in a fixed frame 6 containing the bearing of the shaft 5, means for driving the barrel 4 in rotation and various accessories which are not important here. In general, the operation of the reel is as follows: the free end of the product 1 is fixed to the reel drum which is in position 3 and while this drum is rotated, the product 1 is guided by a slicing device 7 so as to form layers of successive turns on the drum 3. When the number of desired layers has been formed, the barrel 4 rotates clockwise in FIG. 1 by 180 ° and the drum 2 which is empty takes the place of the drum 3. At this time, the product 1 is sectioned on the empty drum and fixed to this drum by a clamping device while a binding machine 8 disposed in the vicinity of the drum which is in position 2 comes into action to bind the torch formed on this drum, which allows the unloading of the torch. Meanwhile, the drum in position 3 continues to rotate, so that a new torch is formed on its barrel.

On notera que pour permettre ces diverses opérations, le barillet 4 porte des moteurs d'entraînement et des transmissions qui assurent la rotation des tambours. D'autre part, chaque tambour comporte deux flasques 9 et 10 et entre ces flasques un fût 11, mais comme on le verra par la suite, les flasques et le fût de chaque tambour sont divisés en segments ou secteurs répartis circonférentiellement autour de l'axe du tambour, et les secteurs qui constituent le flasque 10 sont montés basculants de façon à prendre une position orientée parallèlement à l'axe du tambour telle qu'elle est représentée en 10ʹ à la fig. 2. Lorsqu'un tambour est arrêté et que les secteurs de son flasque 10 sont ainsi rabattus, la torche formée sur le fût 11 est accessible et peut être facilement déchargée.Note that to allow these various operations, the barrel 4 carries drive motors and transmissions which ensure the rotation of the drums. On the other hand, each drum has two flanges 9 and 10 and between these flanges a barrel 11, but as will be seen later, the flanges and the barrel of each drum are divided into segments or sectors distributed circumferentially around the axis of the drum, and the sectors which constitute the flange 10 are pivotably mounted so as to assume a position oriented parallel to the axis of the drum as shown in 10ʹ in FIG. 2. When a drum is stopped and the sectors of its flange 10 are thus folded down, the torch formed on the barrel 11 is accessible and can be easily discharged.

En se référant maintenant aux fig. 3, 4 et 5 on va décrire plus en détail la constitution de l'un des tambours 2 et 3, et plus précisément du dispositif de coupage et de pincement que chacun de ces tambours comporte.Referring now to Figs. 3, 4 and 5 we will describe in more detail the constitution of one of the drums 2 and 3, and more precisely of the cutting and pinching device that each of these drums comprises.

La fig. 3 est une vue en élévation partielle dans le sens de la flèche A de la fig. 1 montrant une partie d'un tambour dont l'axe (non représenté) se trouve à la partie supérieure du dessin avec une orientation horizontale.. On voit à la fig. 3 une étoile 12 qui est solidaire de l'arbre reliant le tambour au barillet 4. Cette étoile comporte un certain nombre de rainures radiales convergeant vers l'axe de rotation du tambour et qui servent chacune à fixer et guider un socle 13 dont la position peut par conséquent être ajustée dans le sens radial ce qui permet de varier le diamètre du fût du tambour et par conséquent de l'adapter à des torches de différentes dimensions. Le nombre des socles et par conséquent des rainures menagées dans l'étoile 12 peut être par exemple de six ou de huit, ou le cas échéant de quatre, suivant les formes d'exécution. Chaque socle 13 comporte des moyens de guidage et de serrage d'un secteur de flasque 14 qui est contenu dans un plan perpendiculaire à l'axe du tambour et qui est supporté par une glissière 15, de sorte que chacun des secteurs de flasque 14 peut être déplacé dans le sens parallèle à l'axe du tambour, ce qui permet de fixer sa position et par conséquent de déterminer la largeur de la torche qui sera formée sur le tambour. D'autre part, le socle 13 comporte un prolongement axial 13a à l'extrémité libre duquel pivote un bras profilé 16 auquel est fixé un secteur de flasque rabattable 17. Ce secteur de flasque a la même forme et les mêmes dimensions que le secteur 14. Le bras 16 et le secteur 17 constituent ensemble un clapet rabattable autour d'un axe de pivotement 18 qui s'étend dans le sens circonférentiel à une distance de l'axe du tambour qui est déterminée par la position du socle 13. Le socle 13 porte encore une plaque de fût 19 qui est constituée par une tôle cintrée. Cette tôle est fixée à une extrémité sur un bras 20 qui pivote en 21 sur le socle 13. Le bras 20 est lié par une biellette articulée 23 à un mécanisme de transmission et de commande.Fig. 3 is a partial elevation view in the direction of the arrow A in FIG. 1 showing part of a drum whose axis (not shown) is located at the top of the drawing with a horizontal orientation. We see in fig. 3 a star 12 which is integral with the shaft connecting the drum to the barrel 4. This star has a certain number of radial grooves converging towards the axis of rotation of the drum and which each serve to fix and guide a base 13 whose position can therefore be adjusted in the radial direction which allows to vary the diameter of the drum barrel and therefore to adapt it to torches of different dimensions. The number of plinths and therefore grooves formed in the star 12 can be for example six or eight, or if necessary four, depending on the embodiments. Each base 13 comprises means for guiding and clamping a flange sector 14 which is contained in a plane perpendicular to the axis of the drum and which is supported by a slide 15, so that each of the flange sectors 14 can be moved in the direction parallel to the axis of the drum, which makes it possible to fix its position and consequently to determine the width of the torch which will be formed on the drum. On the other hand, the base 13 has an axial extension 13a at the free end of which pivots a profiled arm 16 to which is fixed a foldable flange sector 17. This flange sector has the same shape and the same dimensions as the sector 14 The arm 16 and the sector 17 together constitute a valve which can be folded down around a pivot axis 18 which extends in the circumferential direction at a distance from the axis of the drum which is determined by the position of the base 13. The base 13 also carries a barrel plate 19 which is constituted by a curved sheet. This sheet is fixed at one end to an arm 20 which pivots at 21 on the base 13. The arm 20 is linked by an articulated link 23 to a transmission and control mechanism.

Ce mécanisme de transmission et de commande comporte tout d'abord un vérin dont le cylindre 24 est fixé par sa base sur le socle 13 dans une position parallèle à l'axe du tambour. Une tige mobile 25 sort du cylindre 24 et à son extrémité libre elle est articulée sur un levier de transmission 26 qui pivote luimême en 27 sur l'extrémité du prolongement axial 13a du socle 13. Le levier 26 a comme on le voit une forme triangulaire. Au voisinage d'un de ses sommets il est lié par l'articulation 28 à la tige 25 du vérin, tandis qu'au voisinage d'un autre sommet, opposé au point d'articulation 27 il est articulé par l'intermédiaire d'une biellette 29 sur le bras 16 portant le secteur 17. On comprend qu'une manoeuvre du vérin 24 provoquant un déplacement de la tige 25 vers la gauche à la fig. 3, fait pivoter le levier de transmission 26 dans le sens anti-horaire à la fig. 3, ce qui entraîne le pivotement du clapet 17 autour de son articulation 18 dans un sens tel que ce clapet peut venir prendre une position parallèle à l'axe du tambour. Au cours de cette opération, une portion 26a du levier de transmission 26 est située au-delà de l'articulation 27 et à laquelle est articulée la biellette 23, se déplace vers la droite à la fig. 3, de sorte que le segment de fût 19 subit un léger déplacement vers le haut en pivotant autour de l'articulation 21. Tous les socles montés sur l'étoile 12 de chacun des deux tambours de l'enrouleur décrit sont équipés de cette manière de sorte que, lorsque les mécanismes sont en position d'ouverture des clapets 17 une torche bobinée sur le fût 11 peut être extraite facilement, en plaçant les segments de fût 19 dans une position légèrement oblique afin de faciliter le glissement de la circonférence intérieure de la torche. La fig. 3 montre une partie d'un tambour vide au moment précis où l'enroulement d'une torche peut commencer, tandis que la fig. 4 montre vu dans le sens de la flèche B à la fig. 1, le même tambour dans la même position, alors que la torche constituée par le produit 1 est pratiquement entièrement formée. On va décrire maintenant le dispositif de coupage et de fixation dont on voit à la fig. 3 notamment le couteau 30. C'est une lame d'acier fixée selon un plan radial contenant l'axe du tambour à l'extrémité du prolongement du socle 13. Cette lame de couteau 30 présente une arête profilée 31 agencée de façon à faciliter le coupage du produit 1. Comme on le voit, ce couteau est disposé en position radiale entre le fût 11 et l'axe 18 de pivotement des clapets 17. Immédiatement à côté de ce couteau et sur sa face opposée à celle visible à la fig. 3, le prolongement 13a porte un levier de pincement 32 (fig. 4) qui pivote autour d'une articulation 33 sur le prolongement 13a. Comme on le voit à la fig. 4, ce levier présente un segment d'arête en forme de griffe 34 qui est maintenu appuyé contre l'extrémité du produit 1, logée sous le segment de fût 19. On reconnaît d'autre part à la fig.4 les éléments du tambour et du mécanisme de basculement des clapets 17 qui ont été décrits précédemment. En plus, on voit que le bras 16 du clapet 17 présente entre son point d'articulation 18 et l'endroit où il est fixé au secteur 17 une encoche 35 qui constitue un organe d'accrochage pour le produit 1. De plus, le levier de pincement 32 est sollicité par un ressort argué en épingle à cheveux 36 qui est fixé par un étrier 37 sur la partie supérieure du socle 13 et qui porte lui-même à l'extrémité d'une de ses branches un étrier 38 embrassant le levier 32. L'extrémité de l'autre branche du ressort 36 est d'autre part engagée dans une ouverture cylindrique que présente un plot 39 monté pivotant sur le prolongement 13a du socle 13.This transmission and control mechanism firstly comprises a jack, the cylinder 24 of which is fixed by its base to the base 13 in a position parallel to the axis of the drum. A movable rod 25 comes out of the cylinder 24 and at its free end it is articulated on a transmission lever 26 which pivots itself at 27 on the end of the axial extension 13a of the base 13. The lever 26 has as a triangular shape . In the vicinity of one of its peaks it is linked by the articulation 28 to the rod 25 of the jack, while in the vicinity of another vertex, opposite the articulation point 27 it is articulated by means of a link 29 on the arm 16 carrying the sector 17. It will be understood that an actuation of the jack 24 causing the rod 25 to move to the left in FIG. 3, rotate the transmission lever 26 counterclockwise in fig. 3, which causes the valve 17 to pivot about its articulation 18 in a direction such that this valve can come to assume a position parallel to the axis of the drum. During this operation, a portion 26a of the transmission lever 26 is located beyond the articulation 27 and to which the link 23 is articulated, moves to the right in FIG. 3, so that the barrel segment 19 undergoes a slight upward movement by pivoting around the articulation 21. All the bases mounted on the star 12 of each of the two drums of the reel described are equipped in this way so that, when the mechanisms are in the open position of the valves 17, a torch wound on the barrel 11 can be easily extracted, by placing the barrel segments 19 in a slightly oblique position in order to facilitate the sliding of the inner circumference of the torch. Fig. 3 shows part of an empty drum at the precise moment when the winding of a torch can begin, while FIG. 4 shows seen in the direction of arrow B in FIG. 1, the same drum in the same position, while the torch formed by the product 1 is practically entirely formed. We will now describe the cutting and fixing device which can be seen in FIG. 3 in particular the knife 30. It is a steel blade fixed in a radial plane containing the axis of the drum at the end of the extension of the base 13. This knife blade 30 has a profiled edge 31 arranged so as to facilitate cutting of the product 1. As can be seen, this knife is arranged in a radial position between the barrel 11 and the pivot axis of the valves. 17. Immediately next to this knife and on its face opposite to that visible in FIG. 3, the extension 13a carries a pinch lever 32 (fig. 4) which pivots around a hinge 33 on the extension 13a. As seen in fig. 4, this lever has a segment in the shape of a claw 34 which is kept pressed against the end of the product 1, housed under the barrel segment 19. On the other hand, the elements of the drum are recognized in FIG. and of the mechanism for tilting the valves 17 which have been described previously. In addition, we see that the arm 16 of the valve 17 has between its articulation point 18 and the place where it is fixed to the sector 17 a notch 35 which constitutes a hooking member for the product 1. In addition, the pinch lever 32 is biased by an arguated hairpin spring 36 which is fixed by a stirrup 37 on the upper part of the base 13 and which itself carries at the end of one of its branches a stirrup 38 embracing the lever 32. The end of the other branch of the spring 36 is also engaged in a cylindrical opening which has a stud 39 pivotally mounted on the extension 13a of the base 13.

En supposant maintenant que le tambour représenté à la fig. 4 se trouve dans la position désignée par 3 à la fig. 1 et que le remplissage de la torche est terminé, le moteur du barillet 4 est mis en action de sorte que la rotation de ce barillet s'effectue et le tambour représenté vient prendre en tournant dans le sens horaire à la fig. 1, la position désignée par 2, position à laquelle il est arrêté et la machine 8 lie la torche terminée. Un fois cette opération effectuée, tous les vérins 24 des différents secteurs montés sur l'étoile de support 12 sont commandés de sorte que les clapets 17 prennent la position représentée à la fig. 5. Quant à celui des socles 13 qui porte le dispositif de coupage et de pincement, un galet 37 monté sur le sommet du levier 26 qui est articulé à la biellette 29, accroche au cours de son mouvement une arête 40 du levier de pincement 32 et le soulève en armant le ressort 36, ce qui libère l'extrémité du produit 1 qui jusque là était pincé entre le segment 19 de fût et l'arête en forme de griffe 34. Dès lors la torche terminée, désignée à la fig. 5 par 41, est entièrement libérée et on peut la dégager du fût 11 dont les différents segments 19 ont pris une position légèrement repliée par suite de l'effet d'entraînement exercé par les biellettes 23. Ainsi, la torche 41 peut être extraite du tambour qui est maintenant arrêté et se trouve dans la position 2 de la fig. 1.Assuming now that the drum shown in fig. 4 is in the position designated by 3 in FIG. 1 and that the filling of the torch is finished, the motor of the barrel 4 is put into action so that the rotation of this barrel takes place and the drum shown comes to grip by turning clockwise in FIG. 1, the position designated by 2, position at which it is stopped and the machine 8 links the completed torch. Once this operation has been carried out, all the jacks 24 of the different sectors mounted on the support star 12 are controlled so that the valves 17 assume the position shown in FIG. 5. As for that of the bases 13 which carries the cutting and pinching device, a roller 37 mounted on the top of the lever 26 which is articulated to the rod 29, hooks during its movement an edge 40 of the pinching lever 32 and raises it by arming the spring 36, which frees the end of the product 1 which hitherto was pinched between the barrel segment 19 and the claw-shaped ridge 34. Consequently, the completed torch, designated in FIG. 5 by 41, is fully released and can be released from the barrel 11 whose different segments 19 have taken a slightly folded position as a result of the driving effect exerted by the rods 23. Thus, the torch 41 can be extracted from the drum which is now stopped and is in position 2 of fig. 1.

Le tambour qui se trouve dans la position 2 reste immobile pendant la formation d'une nouvelle torche sur le tambour qui se trouve dans la position 3, c'est-à-dire que les clapets 17 restent en position ouverte et le levier de pincement 32 reste en position relevée comme on le voit à la fig. 5.The drum which is in position 2 remains stationary during the formation of a new torch on the drum which is in position 3, that is to say that the valves 17 remain in the open position and the clamping lever 32 remains in the raised position as seen in FIG. 5.

L'opération de coupage et de pincement se déroule au moment où le tambour vide qui se trouve dans la position 2 passe dans la position 3. Au cours de ce mouvement, le tambour plein qui se trouve dans la position 3 se déplace comme on le voit à la fig. 1 pour venir prendre la position 2, et entraîne avec lui le produit 1 dont le segment situé à l'aval du dispositif de trancannage 7 s'allonge et vient passer par l'endroit désigné par 42 à la fig. 5 au moment où le tambour représenté à cette figure atteint la position 3. Lors de l'arrêt du tambour dans la position 2 son orientation avait été commandée de telle façon que le secteur équipé du dispositif de coupage et de pincement se trouve au-dessus de l'axe, de sorte que, lors de la rotation du barillet 4 ce secteur vient se placer dans une orientation située sous l'axe, c'est-à-dire que la partie du produit 1 qui est tangente à celui des clapets 17 qui se trouve en position inférieure, se trouve immédiatement devant le couteau 30. On comprend donc qu'il suffit de commander les vérins 24 pour ramener les clapets 17 dans la position de la fig. 3. Au cours du mouvement du clapet 17 qui se trouve en position inférieure, la partie 42 du produit 1 est saisie dans l'encoche 35 et pressée contre l'arête 31 du couteau 30. Vu la forme de cette arête avec une pointe dans sa partie intermédiaire, le produit est sectionné instantanément et en même temps, comme le galet 37 effectue un mouvement vers le bas à la fig. 5, il laisse le levier de pincement 32 se déplacer vers le bas sous l'effet de la force du ressort 36 transmise par l'étrier 38. Le segment initial de la nouvelle torche est donc pincé contre la face interne du segment de fût 19, de sorte que le produit 1 continue à être entraîné, mais par le tambour vide, et non plus par le tambour plein. Dès que le produit 1 est pincé entre le segment de fût 19 et le levier de pincement 32, le clapet 17 peut continuer sa course jusqu'à la position finale de son mouvement telle qu'elle est représentée aux fig. 3 et 4. Le segment de produit qui est adjacent à la partie 42 passe entre le segment de fût équipé du dispositif de coupage et de pincement et le segment suivant et passe au-dessus de la partie 19 de ce segment. La force de tirage qui s'exerce sur le produit 1 est transmise à ce produit par le levier de pincement 32 et pour assurer la réalisation de cet effort, une équerre 43 est encore prévue sur le prolongement 13a du socle 13 pour maintenir le levier 32 en position.The cutting and pinching operation takes place at the moment when the empty drum which is in position 2 passes into position 3. During this movement, the full drum which is in position 3 moves as it is see in fig. 1 to take position 2, and carries with it product 1, the segment of which is downstream of the trancannage 7 lengthens and comes through the place designated by 42 in fig. 5 when the drum shown in this figure reaches position 3. When the drum was stopped in position 2, its orientation had been controlled so that the sector equipped with the cutting and nipping device was above of the axis, so that, during the rotation of the barrel 4 this sector comes to be placed in an orientation located under the axis, that is to say that the part of the product 1 which is tangent to that of the valves 17 which is in the lower position, is located immediately in front of the knife 30. It is therefore understood that it suffices to control the jacks 24 to bring the valves 17 back into the position of FIG. 3. During the movement of the valve 17 which is in the lower position, the part 42 of the product 1 is grasped in the notch 35 and pressed against the edge 31 of the knife 30. Given the shape of this edge with a point in its intermediate part, the product is instantly sectioned and at the same time, as the roller 37 performs a downward movement in FIG. 5, it lets the pinch lever 32 move downward under the effect of the force of the spring 36 transmitted by the caliper 38. The initial segment of the new torch is therefore pinched against the internal face of the barrel segment 19 , so that the product 1 continues to be driven, but by the empty drum, and no longer by the full drum. As soon as the product 1 is pinched between the barrel segment 19 and the pinching lever 32, the valve 17 can continue its stroke until the final position of its movement as shown in FIGS. 3 and 4. The product segment which is adjacent to part 42 passes between the barrel segment equipped with the cutting and nipping device and the segment next and go over part 19 of that segment. The pulling force which is exerted on the product 1 is transmitted to this product by the pinching lever 32 and to ensure the achievement of this effort, a bracket 43 is also provided on the extension 13a of the base 13 to hold the lever 32 in position.

Les essais ont montré que le dispositif ainsi réalisé est capable de fonctionner d'une façon parfaitement régulière. Il ne demande aucun réglage quelle que soit la section du produit allongé que l'on désire enrouler. La force nécessaire pour le pincage est donnée par le ressort en épingle à cheveux 36 et par conséquent la force de pincage est d'autant plus grande que la section du produit est plus grande. Le fonctionnement du dispositif représenté au dessin a été expliqué en supposant que le produit allongé 1 était un tube en matière plastique, mais il doit être entendu que ce produit pourrait aussi être un câble, un profilé souple, une barre, ou tout autre produit allongé susceptible d'être conditionné sous forme d'une torche ou d'un bobinage.Tests have shown that the device thus produced is capable of operating in a perfectly regular manner. It requires no adjustment whatever the section of the elongated product that one wishes to wind. The force required for gripping is given by the hairpin spring 36 and therefore the gripping force is greater the greater the section of the product. The operation of the device shown in the drawing has been explained by assuming that the elongated product 1 was a plastic tube, but it should be understood that this product could also be a cable, a flexible profile, a bar, or any other elongated product. capable of being packaged as a torch or coil.

Claims (10)

  1. An automatic winder of an elongated product, capable of forming bundles continuously with successive segments of the said product, comprising at least two drums (2, 3) able to be rotated around their axis, means of support (4, 5) for the drums able to move them cyclically to guide them successively into a starting position in which one end part of the elongated product (1) is fixed to the drum and, on each drum, a cutting and gripping device (16, 32, 30), characterized in that the cutting and gripping devices comprise a knife (30) fixed in relation to the drum, a mobile gripping means (16, 32, 35, 34) and operating means (24), also mounted on the drum, which moves the gripping means, this latter displacing the elongated product to cut it and to guide it into the clamping position.
  2. Automatic winder according to claim 1, in which each drum comprises a barrel (11) and two flanges (9, 10) intended to limit the stacking up of turns of elongated product on the drum, at least one of these flanges being divided into a series of flaps (16, 17) capable of swinging around axes distributed circumferentially around the axis of the drum, characterized in that on each drum, the cutting and gripping device is associated with one of the flaps and in that the said operating means (24) is linked with the flap (16, 17) in such a way as to make it swing between an open position allowing the bundle to be removed and a closed position for guiding the product, whilst operating the cutting and gripping device.
  3. Winder according to claim 2, characterized in that the said means is a jack placed parallel to the axis of the drum between the barrel and the said axis.
  4. Winder according to claim 2, characterized in that on each drum, the pivoting axes of the flaps (16, 17) are situated on a circle which passes set back from the drum (11) between this latter and the axis of the drum, the knife (30) is disposed along a radial plane between the barrel of the drum and the pivoting axis of the flap, and the barrel has an opening located in such a way as to allow the elongated product to pass from the exterior to the interior of the barrel.
  5. Winder according to claim 4, characterized in that the barrel (11) of each drum is constituted of segments (19) distributed separately around the axis of the drum, mounted projectingly by one of their ends on a spider support (12) which is part of the drum, in that each segment (19) of the barrel carries the corresponding swinging flap (16, 17) and an operating means (24), the said opening being constituted by the space between a segment (19) which bears the cutting and gripping device (16, 32, 30) and one of the adjacent segments.
  6. Winder according to claim 5, characterized in that the cutting and gripping device comprises an element (16, 35) for capturing the elongated product which, when operated, displaces the elongated product (1) in a direction parallel to the axis of the drum in such a way as to engage it in the interior of the barrel (11) and also a gripping element (32, 34) which moves radially in a centrifugal direction in relation to the axis of the drum to press part of the elongated product disposed alongside the knife against the inner face of the barrel.
  7. Winder according to claim 6, characterized in that the said capturing element (16, 35) is an arm which supports the swinging flap (17) and which, during the cutting and gripping operation, moves between a position where the flap which it carries is parallel to the axis of the drum, and a position where this flap is disposed radially with its inner edge to the right of the free end of the segment of the barrel.
  8. Winder according to claims 3 and 7, characterized in that each cutting and gripping device comprises a transmission lever (26) pivoting on a base (13a) which is part of the segment of the barrel with which the device is associated, a joint between the said transmission lever (26) and the handle (25) of the control jack, a rocker bar (29) between the transmission lever (26) and the capturing element (16), a roller (37) mounted on the transmission lever in such a way as to support the gripping element (32), this latter also being a lever pivoting on the base, and a spring (36) which presses the gripping lever (32) against the supporting roller (37).
  9. Winder according to claim 8, characterized in that the transmission lever (26) is also linked to a barrel plate (19, 20) mounted pivotably on the base (13a), in such a way as to incline slightly towards the axis when the flap is opened.
  10. Winder according to claim 8, characterized in that the spring (36) is constituted by a hairpin rod, one arm of which engages the gripping lever (32) and the other is fixed on the base, the whole in such a manner that, in its two extreme positions, the gripping lever (32) is applied against the roller (37) mounted on the transmission lever (26) and that in the closed position of the flap the gripping lever is engaged by the spring in such a way as to grip the elongated product.
EP86810598A 1985-12-20 1986-12-17 Apparatus for coiling an elongated material Expired - Lifetime EP0228997B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86810598T ATE64918T1 (en) 1985-12-20 1986-12-17 AUTOMATIC DEVICE FOR WINDING AN EXTENDED GOOD.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH547485 1985-12-20
CH5474/85 1985-12-20

Publications (3)

Publication Number Publication Date
EP0228997A2 EP0228997A2 (en) 1987-07-15
EP0228997A3 EP0228997A3 (en) 1988-07-06
EP0228997B1 true EP0228997B1 (en) 1991-07-03

Family

ID=4294206

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86810598A Expired - Lifetime EP0228997B1 (en) 1985-12-20 1986-12-17 Apparatus for coiling an elongated material

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EP (1) EP0228997B1 (en)
AT (1) ATE64918T1 (en)
DE (1) DE3680085D1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH681538A5 (en) * 1989-11-02 1993-04-15 Maillefer Nokia Holding
CN112591557B (en) * 2020-12-04 2022-09-13 福德机器人（成都）有限责任公司 Automatic feeding and head wire cutting composite robot for coil collecting cylinder

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE821666C (en) * 1948-12-09 1951-11-19 Siemens Ag Winding device for the continuous production of electrical cables
FR1311606A (en) * 1961-01-19 1962-12-07 Apparatus for winding or winding metal wires or cables coming from a sheathing machine or the like
DE1247112B (en) * 1963-10-01 1967-08-10 Kurt Scheller Device for the continuous winding of strangfoermigem good, in particular wire, cable and. like
US3704839A (en) * 1970-12-30 1972-12-05 Entwistle Co Dual boxing coiler
CH582106A5 (en) * 1974-07-23 1976-11-30 Maillefer Sa Twisting device for large dia. cables - having drawing and feed devices mounted on support moveable between winding up positions
FR2375128A1 (en) * 1976-12-21 1978-07-21 Sute Turret for accepting and binding flexible hose onto spools - using knives and heat sealed tapes to secure successive hose lengths
IT1158548B (en) * 1982-12-06 1987-02-18 Carlo Campetella MACHINE FOR AUTOMATIC AND CONTINUOUS WINDING OF FLEXIBLE HOSES IN ORDERED MATTRESSES TIED WITH CLIPS
AU2252083A (en) * 1982-12-29 1984-07-05 Grumman Aerospace Corporation Wire coil production

Also Published As

Publication number Publication date
EP0228997A2 (en) 1987-07-15
DE3680085D1 (en) 1991-08-08
ATE64918T1 (en) 1991-07-15
EP0228997A3 (en) 1988-07-06

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