EP0651084B1 - Installation automatique pour le chargement et le déchargement de piles de bobines de fil - Google Patents

Installation automatique pour le chargement et le déchargement de piles de bobines de fil Download PDF

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Publication number
EP0651084B1
EP0651084B1 EP94202678A EP94202678A EP0651084B1 EP 0651084 B1 EP0651084 B1 EP 0651084B1 EP 94202678 A EP94202678 A EP 94202678A EP 94202678 A EP94202678 A EP 94202678A EP 0651084 B1 EP0651084 B1 EP 0651084B1
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EP
European Patent Office
Prior art keywords
reels
stem
reel
jaws
stack
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
EP94202678A
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German (de)
English (en)
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EP0651084A3 (fr
EP0651084A2 (fr
Inventor
Bruno Galvanin
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GALVANIN Srl
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GALVANIN Srl
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/04—Carriers or supports for textile materials to be treated
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B5/00—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating
    • D06B5/12—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length
    • D06B5/16—Forcing liquids, gases or vapours through textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing impregnating through materials of definite length through yarns, threads or filaments

Definitions

  • the present invention relates to an automatic device for loading and unloading stacks of reels of yarn, particularly for loading and unloading material holders suitable for dyeing and centrifuging.
  • the process for the treatment of reels of yarn generally provides for a step of dyeing the same; the dyed reels are soaked, and they must subsequently be subjected to drying, typically by means of centrifuges.
  • a drying centrifuge for reels of yarn comprises a rotating basket on the bottom of which vertical rods are fastened and arranged along concentric circumferences; each rod acts as the central supporting axis of a stack of reels that has been slipped over it.
  • the reels to be centrifuged are removed from a material holding carriage, or directly from a basket immersed in the dyeing bath, where in a similar manner they are stacked on vertical reel-holding rods, and are transferred to the centrifuge.
  • An automatic device for unloading drying centrifuges that comprises a mechanism for centering the reel-holding rod, comprising in turn a first stem to which the stack of reels is transferred while it is being removed, and a mechanism for removing the stack of reels whose removal organ is inserted under the reel at the base of the stack; the removal organ, integral with a second vertically sliding stem, is then raised together with the stack of reels, that is transferred to the first stem and is inserted on the latter.
  • the same device can be used for loading the stack of reels, here transferred from the first stem to the corresponding holding rod of the centrifuge.
  • a device of this type has two main drawbacks: the first derives from the fact that, in order to allow the removal organ to be inserted under the reel at the base of a stack, it is necessary to provide suitable spacers at the base of each reel-holding rod that keep the stack of reels raised by an amount sufficient to allow the passage of the removal organ; this implies that the baskets of the centrifuges, as well as the various material holding carriages, be altered to adapt themselves to the use of the automatic loading and unloading device.
  • the second drawback is linked with the centering mechanism that, not being provided with an automatic device for checking that centering has actually taken place, can cause the incorrect positioning of the stem on which the reels are transferred at removal, typically a slight misalignment of the stem with respect to the reel-holding rod that can cause damage to the yarn product during the reel transfer step.
  • a device for loading and unloading stacks of reels of yarn is also known from EP-A-0130092.
  • the object of the present invention is to provide a device that allows the automation of the operation of loading and unloading the reels from the centrifuge, or from material holding carriages in general, without being affected by the abovementioned drawbacks.
  • the device according to the invention it is possible to automate the operation of loading and unloading the reels from the drying centrifuge, or from a generic material holding carriage, without it being necessary to modify the same to adapt it to the functional needs of the loading and unloading device, while at the same time ensuring a greater degree of safety of the operation itself.
  • a device consists of a cylindrical shell 1, destined to contain a centering mechanism (visible in Figs. 2, 3 and 7-9) of a reel-holding rod 3, for example of a drying centrifuge, and a removal mechanism (visible in Figs. 4-6) of a stack of reels 4 slipped over said rod 3.
  • the reel-holding rods 3 are tapered in their upper section, and terminate with an end 5 having a diameter that is smaller than that of the casing 6 of the rod 3.
  • the shell 1 is fastened to a bridge (not shown) that can move on wheels.
  • the centering mechanism comprises a pair of cheeks 7 of a clamp 8, whose clamping action is operated, by means of levers 9, by the rotation of respective gears 10 along two toothed racks 11; the clamp 8 is operated by an oleodynamic cylinder 12 that, by determining the downward stroke of the clamp 8 itself, causes the gears 10 to move along the two toothed racks 11, so that the cheeks 7, as they move downward, rotate at the same time through 90 x with respect to their open position, so as to clamp themselves over the tapered end 5 of the reel-holding rod 3 to facilitate the centering operation.
  • Said centering mechanism also comprises a vertical stem 13, in a section of whose surface there is a toothed rack 14 (Figs. 7-9) that, engaging with a gear 15 keyed on a shaft 16 of an electric motor 17, allows the upward and downward translatory stroke of the stem 13 itself, for the reasons that will be made clear later.
  • the stem 13 is hollow, the internal diameter being sufficient to receive the upper end 5 of the reel-holding rod 3, and inside it there is a rod 18 with a diameter that is slightly less than the internal diameter of the stem 13 and with a length that almost corresponds to that of the latter; the rod 18 slides freely inside the stem 13, but there is a clamping key (not shown) to prevent the rod 18 from slipping out of the stem 13.
  • a supporting bracket 19 to the side of the stem 13 has, at different heights, three sensors 20, 21 and 22 (Figs. 7-9), suitable for detecting the axial position of the stem 13; a further bracket 103, also to the side of the stem 13, supports a sensor 100 suitable for detecting, when the stem 13 is in the position of Fig. 8, the fact that the upper end of the rod 18 protrudes from the stem 13, for the reasons that will be made clear later.
  • the cheeks 7 of the clamp 8 have a conformation such as, when they are clamped over the end 5 of the reel-holding rod 3, to determine a conical guide 23 to facilitate the centering of the reel-holding rod 3 on the part of the stem 13.
  • the mechanism for removing a stack of reels comprises two jaws 24, provided with protruding reliefs 102; the two jaws 24 are fastened to two respective coaxial shafts 25 rotatable by means of indented couplings 101 that enable them to be interchangeable so as to adapt to reels of yarn of different diameters; the upper ends of the two shafts 25 are keyed on the head 26 of two respective connecting rods 27, that are operated by an oleodynamic cylinder 28 and by the corresponding piston 29, respectively (Figs. 4-6).
  • the outer of the two coaxial shafts 25 is rotatably inserted in a sleeve 30, that is fastened to two shoes 31 of a saddle 32 that slides horizontally, under the action of a further oleodynamic cylinder 33, along horizontal guides 34 in a supporting structure 35; the sliding action of the saddle 32 allows the displacement of the jaws 24 from a distal position to a position close to the central axis of the shell 1.
  • the rotation of the two coaxial shafts 25 does not determine the rotation of the sleeve 30, that remains fixed with respect to the supporting structure 35; to the sleeve 30 there is also fastened a bracket 36 on which there is hinged a conical gear 37 that, engaging two toothed half-moons 38 integral with the heads 26 of the two connecting rods 27, respectively, ensures that the two coaxial shafts 25 rotate, under the action of the oleodynamic cylinder 28 and of the piston 29, simultaneously and in opposite directions through the same angle so as to allow the simultaneous closing of the two jaws 24.
  • the supporting structure 35 is provided with four bushes 39 mounted in pairs on two vertical guides 40 that are in turn fastened to the shell 1, and that allow the upward and downward movement of the supporting structure 35 and as a consequence of the coaxial shafts 25 carrying the jaws 24, due to a winch not shown in the drawings, that acts on supporting chains 70 (Fig. 6).
  • the cheeks 7 of the clamp 8 are raised and open (Fig. 2), the stem 13 is raised (Fig. 7), the supporting structure 35 of the removal jaws 24 is also raised and the jaws themselves are open (Fig. 6); moreover, the saddle 32 is in the distal position with respect to the central axis of the shell 1 (Fig. 4).
  • the stacks of reels 4 are arranged inside a centrifugation basket 41 along concentric circumferences; the removal at first concerns the stacks of reels of the outermost circumference, and then gradually those of the innermost circumferences.
  • the shell 1 is positioned above the first reel-holding rod 3 to be unloaded, and is made to rotate so as to orient the jaws 24 in order that these will later grasp the stack of reels 4 along the centripetal radial direction of the circumference to which the stack of reels belongs.
  • the oleodynamic cylinder 12 is then operated that, through the toothed racks 11 and the gears 10, cause the downward movement of the cheeks 7 of the clamp 8 and their simultaneous clamping action over the upper end 5 of the reel-holding rod 3.
  • the motor 17 is subsequently operated to determine the downward stroke of the stem 13 and, at the same time, that of the rod 18; the stem 13, guided by the conical guide 23 offered by the cheeks 7 of the clamp 8, moves downward until it reaches the position shown in Fig. 8, where the sensor 21 causes it to stop; during the downward stroke of the stem 13 the upper end 5 of the reel-holding rod 3, by inserting itself in the lower cavity of the same stem 13, causes the downward stroke of the rod 18 to stop (Fig. 8).
  • the sensor 100 detects the fact that the upper end of the rod 18 is now protruding from the stem 13. If this does not occur, that is if centering has not taken place and the downward stroke of the rod 18 is not brought to a stop by the upper end 5 of the reel-holding rod 3, the sensor 100 is not excited after the stem 13 has been brought to a stop in the position of Fig. 8, and the cheeks 7 of the clamp 8 are raised once again to make a new attempt later.
  • the same sensor 100 again determines the upward movement of the cheeks 7 of the clamp 8, and subsequently activates the motor 17 to allow the further downward stroke of the stem 13 over the upper end 5 of the reel-holding rod 3.
  • the sensor 20 detects the further downward stroke of the stem 13, and the motor 17 is brought to a stop when the stem 13 is by now completely inserted over the upper end 5 of the reel-holding rod 3 (Fig. 9).
  • the sensor 20 also determines the activation of the removal mechanism, initially causing the downward movement of the supporting structure 35 that holds the pair of jaws 24, until the latter are at the level of the reel 4 at the base of the stack.
  • the saddle 32 is made to move forward toward the stack of reels, and the jaws 24 are thus brought into contact with said base reel (Fig. 10).
  • the jaws 24 are clamped round the reel at the base of the stack, the protruding reliefs 102 penetrate into the yarn product to prevent any possible slipping of the reel, and the supporting structure 35 is raised once again so that the stack of reels is transferred from the reel-holding rod 3 to the stem 13 above it and aligned thanks to the previous centering operations.
  • the positioning operation is identical with that of removal, providing for a centering step controlled by the sensors 20, 21 and 100, and then a step wherein the stack of reels is transferred from the stem 13 to a reel-holding rod to be loaded.
  • the loading operation of the drying centrifuge takes place in a manner altogether identical with that described, the only difference being that the stacks are first transferred onto the reel-holding rods of the innermost circumference of rods, and gradually to the outermost circumferences.
  • the device according to the present invention whose operation has been described here in relation to the operation of unloading a drying centrifuge, can also be used for loading and unloading automatically, in different steps of reel processing, all material holding carriages on which the reels 4 are stacked on vertical rods.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Fluid-Driven Valves (AREA)
  • Ship Loading And Unloading (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)

Claims (9)

  1. Appareil automatique de chargement et de déchargement d'empilements de dévidoirs de fil, comprenant un mécanisme de centrage (8, 10-13, 17, 18, 20, 21, 100) d'une tige verticale (3) de support de dévidoirs sur laquelle les dévidoirs (4) sont empilés ou sur le point d'être empilés, le mécanisme de centrage (8, 10-13, 17, 18, 20, 21, 100) comprenant une barre verticale (13) sur laquelle est transféré un empilement de dévidoirs (4) à déplacer pour le mouvement de chargement et de déchargement, et un mécanisme (24-29, 32, 35, 40) destiné à charger et décharger l'empilement de dévidoirs (4) et qui comprend un élément (24) de saisie de l'empilement de dévidoirs (4) qui est destiné à coulisser verticalement pour le chargement et le déchargement de l'empilement lui-même, caractérisé en ce que le mécanisme de centrage (8, 10-13, 17, 18, 20, 21, 100) comprend un dispositif capteur (18, 20, 21, 100) destiné à vérifier si le centrage de la barre (13) et de la tige (3) de support de dévidoirs s'est effectué et, dans l'affirmative, destiné à commander le mécanisme de chargement et de déchargement (24-29, 32, 35, 40), et l'élément de saisie du mécanisme de chargement et de déchargement (24-29, 32, 35, 40) est constitué par une paire de mâchoires (24) qui permettent la saisie latérale d'un dévidoir de base de l'empilement.
  2. Appareil selon la revendication 1, caractérisé en ce que la barre (13) peut coulisser verticalement, est creuse et a un diamètre convenant au logement, à l'intérieur d'une extrémité supérieure (5), de la tige (3) de support de dévidoirs, un dispositif à moteur (17) étant destiné à exécuter l'action de coulissement vertical de la barre (13).
  3. Appareil selon la revendication 2, caractérisé en ce que le dispositif capteur (16, 20, 21, 100) comporte une tige (18) insérée dans la barre (13) et coulissant axialement par rapport à la barre (13) sous l'action de la poussée de l'extrémité supérieure (5) de la tige (3) de support de dévidoirs lorsque celle-ci, du fait de la course vers le bas de la barre (13), pénètre dans cette barre (13), un dispositif capteur (21, 100) destiné à détecter la position de la tige (18) étant aussi présent.
  4. Appareil selon la revendication 1, caractérisé en ce que le mécanisme de centrage (8, 10-13, 17, 18, 20, 21, 100) comporte une pince (8) qui possède deux joues (7) qui sont serrées auparavant sur l'extrémité supérieure (5) de la tige (3) de support de dévidoirs, les mâchoires délimitant, à l'extrémité supérieure, un guide conique facilitant le centrage de la barre (13) sur la tige (3) de support de dévidoirs.
  5. Appareil selon la revendication 1, caractérisé en ce que les mâchoires (24) sont fixées à deux arbres coaxiaux rotatifs respectifs (25) dont la rotation est destinée à permettre l'ouverture ou la fermeture des mâchoires (24) et commandés par un vérin oléodynamique (28, 29) et par deux tiges de raccordement (27).
  6. Appareil selon la revendication 5, caractérisé en ce que les arbres coaxiaux (25) sont montés sur une selle (32) qui peut coulisser, sous l'action d'un vérin oléodynamique (33), en direction horizontale afin que les mâchoires (24) aient un mouvement de rapprochement ou d'écartement de l'axe de l'empilement de dévidoirs afin que celui-ci soit déchargé de la tige (3) ou chargé sur celle-ci.
  7. Appareil selon la revendication 6, caractérisé en ce que la selle (32) coulisse le long de deux rails (34) avec lesquels est disposée une structure de support (35) qui est destinée à coulisser verticalement sous l'action d'un dispositif de suspension (70) commandé par un treuil afin qu'il permette un déplacement vers le haut ou vers le bas de la paire de mâchoires (24).
  8. Appareil selon la revendication 1, caractérisé en ce que les mâchoires ont plusieurs saillies (102) destinées à pénétrer, à la suite de la fermeture des mâchoires (24), dans le produit sous forme d'un fil du dévidoir de base afin que ce dernier ne puisse pas glisser vers le bas.
  9. Appareil selon la revendication 5, caractérisé en ce que les mâchoires sont fixées aux arbres coaxiaux (25) par des accouplements évidés (101) pour permettre une interchangeabilité entre des mâchoires (24) de diamètre variable en fonction du diamètre des dévidoirs (4).
EP94202678A 1993-09-24 1994-09-16 Installation automatique pour le chargement et le déchargement de piles de bobines de fil Expired - Lifetime EP0651084B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI932045 1993-09-24
ITMI932045A IT1272675B (it) 1993-09-24 1993-09-24 Dispositivo automatico per il carico e lo scarico di pile di rocche difilato

Publications (3)

Publication Number Publication Date
EP0651084A2 EP0651084A2 (fr) 1995-05-03
EP0651084A3 EP0651084A3 (fr) 1997-03-12
EP0651084B1 true EP0651084B1 (fr) 2000-05-31

Family

ID=11366942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94202678A Expired - Lifetime EP0651084B1 (fr) 1993-09-24 1994-09-16 Installation automatique pour le chargement et le déchargement de piles de bobines de fil

Country Status (6)

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EP (1) EP0651084B1 (fr)
AT (1) ATE193567T1 (fr)
DE (1) DE69424742T2 (fr)
ES (1) ES2147768T3 (fr)
IT (1) IT1272675B (fr)
PT (1) PT651084E (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102583046B (zh) * 2012-03-14 2014-08-06 机械科学研究总院先进制造技术研究中心 自动化抓纱机及自动化抓纱方法
IT201900009078A1 (it) 2019-06-14 2020-12-14 Marcello Galvanin “Apparato di carico e scarico di pile di rocche di filato, ad altezza variabile”
CN110747594B (zh) * 2019-11-08 2022-03-15 浙江健盛集团股份有限公司 一种自动装卸边桨式成衣染色机及其实施方法
CN111086693A (zh) * 2020-01-03 2020-05-01 北自所（北京）科技发展有限公司 卷装自动码垛包装方法和系统
CN114921924B (zh) * 2022-06-10 2023-07-04 河源职业技术学院 一种布料夹取固定装置
CN115072477B (zh) * 2022-07-29 2023-09-08 山东金号家纺集团有限公司 一种松筒纱自动升降旋转平台

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0130092B1 (fr) * 1983-01-28 1987-12-16 BARRIQUAND, Société dite: Procédé et installation de chargement et/ou de déchargement automatiques de bobines

Also Published As

Publication number Publication date
DE69424742T2 (de) 2000-11-16
EP0651084A3 (fr) 1997-03-12
ES2147768T3 (es) 2000-10-01
IT1272675B (it) 1997-06-26
EP0651084A2 (fr) 1995-05-03
ATE193567T1 (de) 2000-06-15
ITMI932045A1 (it) 1995-03-24
DE69424742D1 (de) 2000-07-06
PT651084E (pt) 2000-09-29
ITMI932045A0 (it) 1993-09-24

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