EP1750562B1 - Anti-kink control device for an automatic wiping material dispenser unit - Google Patents
Anti-kink control device for an automatic wiping material dispenser unit Download PDFInfo
- Publication number
- EP1750562B1 EP1750562B1 EP05762656A EP05762656A EP1750562B1 EP 1750562 B1 EP1750562 B1 EP 1750562B1 EP 05762656 A EP05762656 A EP 05762656A EP 05762656 A EP05762656 A EP 05762656A EP 1750562 B1 EP1750562 B1 EP 1750562B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- reel
- drum
- side piece
- gear
- 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.)
- Not-in-force
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
- A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
- A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
- A47K10/3656—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices with paper jam preventing devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/24—Towel dispensers, e.g. for piled-up or folded textile towels; Toilet-paper dispensers; Dispensers for piled-up or folded textile towels provided or not with devices for taking-up soiled towels as far as not mechanically driven
- A47K10/32—Dispensers for paper towels or toilet-paper
- A47K10/34—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means
- A47K10/36—Dispensers for paper towels or toilet-paper dispensing from a web, e.g. with mechanical dispensing means with mechanical dispensing, roll switching or cutting devices
- A47K2010/3675—Braking devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/465—Cutting motion of tool has component in direction of moving work
- Y10T83/4766—Orbital motion of cutting blade
- Y10T83/4795—Rotary tool
- Y10T83/4804—Single tool action drive
- Y10T83/4807—With one-revolution drive
Definitions
- the invention relates to the technical sector of dispensing devices for wiping materials, paper type, wadding, recycled paper, and this, automatic cutting.
- These devices (A) are of the type from a housing with a cover to receive laterally flanges (1) from which are disposed a drum (2) including a cutting device (6), a coil of materials (3) wound on a support mandrel and having at the end of the end pieces which are positioned on the flange portion coil holder.
- a pressure roller (4) abuts against the drum between which the strip of material drawn follows the path shown schematically. figure 1 .
- the traction of the web of materials is effected by the user at the exit of the apparatus and according to the tensile force which is extremely variable, a phenomenon of occurrence of loops of material formed between the press roll and the coil.
- French patent FR-A-2 805 449 also of the Applicant, discloses an anti-loop control device comprising all the features of the preamble of claim 1.
- the difficulty was therefore to design a new anti-loops device, without implementing a complexity of means and components that outweigh the cost of the dispensing device, while being effective.
- the anti-loops device capable of acting on the reel of material of a dispensing apparatus with automatic cutting of strips of material of the type including from a housing with lid flanges fixed devices from which are disposed a drum including a cutting device, with a coil of material wound on a mandrel having ends of end pieces, a pressure roller against the drum
- said anti-loops device is constituted by roller means having a peripheral surface with projecting protruding means, said means being free in rotation with respect to support planes formed from a flexible spool flange with respect to the receiving flange of the drum, said means being oriented obliquely with respect to the spool of material and coming into point contact with the spool; along its generator with the last turn of the coil to provide a braking effect, and in that said means in the form of a roller is connected to the rotation of the drum by a transmission means coupling them, and in that the flange door -bobine receptor
- the reel of material (3) is wound on a tubular mandrel (7) receiving at each of its ends a tip (8) capable of being mounted on the spool flange.
- the tip has a cylindrical bearing (8a) penetrating into the mandrel and a flange (8b) capable of bearing against the transverse face of the coil.
- the end piece (8) is thus freely mounted rotation on a support shaft (9) fixedly secured thereto of the spool flange.
- the anti-buckle device is constituted by a means (M) forming a roll having a peripheral surface with projecting gripping means, said means is rotatably mounted relative to support planes (11-12) formed to from the flange (13), and being oriented so that said means (M) is in an oblique position with respect to the coil of material (3) and comes in point contact along its generator with the last turn of the coil to provide a braking effect, said means (M) in the form of rollers being connected to the rotation of the drum by a transmission means (T) coupling them, the spool flange (13) receiving the endpiece and said means (M) having an elastic displacement capacity to adapt in position during unwinding of the reel.
- the longitudinal axis of the means (M) is positioned perpendicular to the axis of the coil and exactly in alignment with the coil support.
- one of the flanges (1) of the housing of the apparatus from which is positioned the drum (2) blade holder of the cutting device and the pressure roller receives the flange (13) coil holder fixing by allowing the latter to a certain flexibility according to the arrow (F) as it will be exposed later.
- the connection of the flange (13) coil holder by its front portion (13a) with the flange (1) is established by means of screwing means (14) for example or gluing, or other.
- Said flange (13) reel holder extends towards the rear of the housing of the apparatus with a top portion (13b) for receiving the axis (9) support of the aforementioned endpiece (8).
- Said flange has in its rear part two parallel support planes (11-12) between which is positioned the means (M) in roll form of the anti-loop device.
- the two supporting planes (11-12) are obtained directly by molding with the flange (13).
- the lower support plane (11) has a notch (11a) for fixing one end (15a) of a return spring (15), and the other end (15b) is anchored to the part opposite the housing. of the device. It is thus understood that the degree of flexibility of the support flange (13) is limited and controlled by said return means.
- the means (M) in roll form is oriented obliquely as it appears at Figures 5 and 6 so as to present its generatrix longitudinally in partial contact with the coil of material and more particularly at the place of its outer turn.
- the drum (2) has an end with groove extension (2a) concentric with the axis of the drum and serving as housing and guiding said belt (16).
- the roller means (M) has a low end, a component (17) including a pulley-shaped portion adapted to receive said transmission belt (16) and in a plane different from its position on the drum.
- the means (M) has at its ends positioning fingers penetrating the support planes (11-12). It is perfectly understood that the traction effect of a web of material by the user which causes the rotation of the drum and the output of the cutting blade simultaneously causes the rotation of the means (M) which thus accompanies the unwinding of the reel always with the point of contact (A) punctually moving along the means (M).
- FIG. 7 a second transmission variant (T) between the drum (2) and the means (M).
- This is a mechanical implementation from components in the form of pinions.
- the various components that allow the rotation of the means (M) from the rotation of the drum (2) to create the desired effect on the bobbin are thus schematically represented.
- the drum (2) receives instead of the groove (2a) above receiving the belt (16), a toothed wheel (18) with straight teeth axially mounted on the axis of the drum.
- On the side flange (1) is attached and fixed in a plane perpendicular to said gear wheel transmission means (19) with two pinions (19a - 19b) coaxial, one with right teeth (19a) meshing with the gear wheel (18) and the other conically toothed (19b).
- the flexible flange (13) which constitutes the loading arm of the coil is of great simplicity of construction and advantageously replaces the systems used according to the prior art.
- the invention includes from the means (M) in the form of a roller, another arrangement providing the return function of the coil.
- the means (M) is arranged internally to receive a return spring (22) whose one end (22a) in the form of a loop fits into a groove (23a) formed on the flange (23) shutter , and at the other end (22b) in the form of a loop to fit on the component (17) forming a pulley or including a pinion for tensioning said spring.
- This component (17) comprises a cylindrical bearing surface (17a) slotted at the end in which the end of the spring engages and a double flange (17b) forming a pulley in the case of a transmission means in the form of a belt, or by a bevel gear (21) in the case of a mechanical transmission. Said component adjusts to close the roll, then a finger (17c) of attachment to the fixed support plate (11). A stop (17d) is formed on the inner face of the collar. This stop is likely to cooperate with another stop (25) formed on the shouldered portion (26) established at the end of the roller (R).
- the roller means (M) has a particular arrangement so that the return spring (22) can not be in contact with the interior of said roller and create a braking effect detrimental to the proper functioning of the roller. together and reducing the desired anti-loops effect.
- the body (30) of the roller (R) receives, at one end, a component (17) of the aforementioned type having a split cylindrical bearing surface (17a) located inside the body of the roller after installation. , and an appendix (17c).
- the body (30) of the roller has, in extension, a ring (31) shouldered larger section. This ring is obtained in one piece with said body and serves as a seat for a cylindrical sleeve (32) arranged in a specific manner to, on the one hand, receive, at one end, the return spring (22) and, secondly, at its other end, receiving a first gear means (33).
- the sleeve (32) has a main cylindrical bearing (32a) extending at one end by a second span (32b) of smaller section and slotted to receive the hook end (22a) of the return spring.
- the fixing orientation of the spring, through the slot (32c), is in a plane perpendicular to that formed on the component (17).
- the spring (22) is thus fitted on the second bearing (32b) fixed in position by the slot (32c) so that it can not move and remains constantly in the longitudinal axial plane of the roll, avoiding any contact with the inner opening thereof.
- the sleeve (32) has a flange (32d) bearing and centering in the ring portion.
- Said flange has a lug (32e) which comes into contact and abuts against an established finger (32f) of the type described (17d-25) to Figures 4A-4B .
- the sleeve receives at the end a bevel gear (33) corresponding to that (21) illustrated figure 7 .
- the particular assembly of said spring is optimized by avoiding any discomfort thereof.
- the toothed wheel (18) which is associated with the drum (2) of the illustrated embodiment figure 7 , can be mounted differently while following the rotational movement of the drum to transmit movement to said anti-loops roll (R).
- FIG 10 an alternative embodiment in which the gear (18) is replaced by a gear (34) of greater length (1) being directly associated with the operating means (35) mounted from the side wall of the housing.
- This gear (34) nevertheless has a central axis (34a) which is in connection with the drum (2).
- the gear (34) provides a larger engagement length to the gear (36) which is mounted opposite and which belongs to a gear train (37 - 38 - 39 - 40) from of the roller (R) to ensure the transmission of the movement under conditions similar to those of the figure 7 .
- the essential difference lies in that the engagement length of this gear (34) allows a slight lateral movement of the flange (13) supporting the material spool and the roller (R), as represented figure 6 .
- the engagement length of the gear (34) can absorb any lateral spacing of the flange considered while retaining said catch of identified gears.
- the advantages are apparent from the invention.
- the new design of the anti-loop device is particularly effective in addressing the problem posed by coils of smooth recycled paper materials.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Unwinding Webs (AREA)
- Replacement Of Web Rolls (AREA)
- Winding Of Webs (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
- Switches With Compound Operations (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
Abstract
Description
L'invention se rattache au secteur technique des appareils distributeurs de matériaux d'essuyage, du type papier, ouate, papier recyclé, et ce, à coupe automatique.The invention relates to the technical sector of dispensing devices for wiping materials, paper type, wadding, recycled paper, and this, automatic cutting.
Le demandeur est spécialisé depuis plus d'une trentaine d'années dans la conception de ce type d'appareil distributeur qui fait l'objet d'une exploitation au plan international. Ces appareils (A) sont du type à partir d'un carter avec couvercle de recevoir latéralement des flasques (1) à partir desquels sont disposés un tambour (2) incluant un dispositif de coupe (6), une bobine de matériaux (3) enroulée sur un mandrin support et présentant en extrémité des embouts qui viennent se positionner sur la partie flasque porte-bobine. Un rouleau presseur (4) vient en contre-appui sur le tambour entre lequel passe la bande de matériaux tirée qui suit le cheminement représenté schématiquement
Pour remédier à cet inconvénient, le demandeur a développé différents moyens et dispositifs ayant une fonction anti-boucles, ces dispositifs agissant essentiellement sur la bobine de matériaux pour l'amener à tourner à contresens de son sens habituel de déroulement, afin d'effectuer une opération de rembobinage. Ainsi, de tels dispositifs sont décrits dans les brevets français suivant du demandeur
Ces dispositifs sont très fiables et répondent parfaitement aux besoins, et ce, pour la grande majorité des bobines de matériaux, du type papier, que l'on trouve notamment sur le marché européen.These devices are very reliable and perfectly meet the needs, and this, for the vast majority of reels of materials, paper type, found in particular on the European market.
Le brevet francais
Le problème posé réside cependant avec certains types de bobines de matériaux en papier recyclé qui sont extrêmement lisses, de sorte qu'il y a un glissement des spires de matériaux entre elles et les dispositifs anti-boucles antérieurement développés par le demandeur s'avèrent être insuffisants pour empêcher la formation de boucles après une traction forte.The problem is, however, with certain types of reels of recycled paper materials which are extremely smooth, so that there is a slip of the turns of materials between them and anti-loops devices previously developed by the applicant are found to be insufficient to prevent the formation of loops after strong traction.
Cette situation est extrêmement gênante, car l'utilisation de papier recyclé lisse enroulés en bobine est de plus en plus développée, et on ne peut malheureusement que constater l'absence de résultats des dispositifs antérieurs, avec une augmentation de la maintenance, de nombreux appareils se mettant « en hors service » si les boucles de bandes de matériaux ne sont pas automatiquement éliminées.This situation is extremely troublesome, because the use of smooth recycled paper coiled coil is increasingly developed, and we can unfortunately note that the lack of results of the previous devices, with an increase in maintenance, many devices "off" if material loops are not automatically removed.
La démarche du demandeur a donc été de réfléchir à une nouvelle conception du dispositif anti-boucles sur l'appareil distributeur du type précité, qui réponde au problème posé par rapport aux bobines de matériaux du type papier recyclé lisse, mais aussi qui, par la même occasion, reste applicable aux autres bobines de matériaux du type pour lesquels les dispositifs anti-boucles conçus et développés par le demandeur restent valables.The applicant's approach was therefore to think about a new design of the anti-loops device on the dispensing machine of the aforementioned type, which answers the problem posed with respect to the reels of smooth recycled paper type materials, but also which, by the same occasion, remains applicable to other coils of materials of the type for which the anti-loops devices designed and developed by the applicant remain valid.
Toute la difficulté était donc de concevoir un nouveau dispositif anti-boucles, sans mettre en oeuvre une complexité de moyens et composants qui surenchérissent le coût de l'appareil distributeur, tout en étant efficace.The difficulty was therefore to design a new anti-loops device, without implementing a complexity of means and components that outweigh the cost of the dispensing device, while being effective.
Pour répondre au problème posé, la première direction de recherche était d'améliorer les dispositifs anti-boucles existants pour les rendre plus performants à l'encontre de ce type de papier recyclé lisse. En pratique, les modifications et améliorations envisagées se sont avérées insuffisantes et en tous cas pas suffisamment fiables pour distribuer en grande série et en continu des bandes de matériaux avec le papier recyclé lisse précité. Les performances dans le temps sont insuffisantes, et il ne peut donc être question de mettre sur le marché des solutions qui soient dans le temps peut fiables qui posent ensuite des problèmes de maintenance aux entreprises gérant ce type d'appareils distributeurs et l'approvisionnement en bobines.To answer the problem, the first direction of research was to improve existing anti-loops devices to make them more efficient against this type of smooth recycled paper. In practice, the modifications and improvements envisaged proved to be insufficient and in any case not sufficiently reliable for mass and continuous distribution of strips of materials with the aforementioned smooth recycled paper. The performance over time is insufficient, so there can be no question of marketing solutions that are reliable over time, which then pose maintenance problems for companies managing this type of dispensing equipment and the supply of products. coils.
La démarche du demandeur a donc été de reconsidérer intégralement le concept du dispositif anti-boucles, et à partir d'une analyse de la valeur, apporter certaines modifications à la conception même de l'appareil distributeur, en particulier à partir de son bras de chargement.The applicant's approach was therefore to completely reconsider the concept of the anti-loops device, and from an analysis of the value, make certain modifications to the very design of the dispensing apparatus, in particular from its dispensing arm. loading.
Cette démarche nouvelle a ainsi permis de trouver une solution très simple et efficace qui réponde au problème posé, et au surplus et de manière inattendue, simplifie le chargement de la bobine de matériaux dans l'appareil.This new approach has made it possible to find a very simple and effective solution that responds to the problem posed, and moreover and unexpectedly, simplifies the loading of the reel of materials in the apparatus.
Ainsi, selon une première caractéristique de l'invention, le dispositif anti-boucles susceptible d'agir sur la bobine de matériau d'un appareil distributeur à coupe automatique de bandes de matériau du type incluant à partir d'un carter avec couvercle des flasques fixes à partir desquels sont disposés un tambour incluant un dispositif de coupe, avec bobine de matériau enroulé sur un mandrin présentant en extrémité des embouts, un rouleau presseur en contre appui sur le tambour est caractérisé en ce que ledit dispositif anti-boucles est constitué par un moyen formant rouleau présentant une surface périphérique avec des moyens en saillie aggripants, ledit moyen étant libre en rotation par rapport à des plans supports formés à partir d'un flasque porte-bobine flexible par rapport au flasque récepteur du tambour, ledit moyen étant orienté en oblique par rapport à la bobine de matériau et venant en contact ponctuel le long de sa génératrice avec la dernière spire de la bobine pour assurer un effet de freinage, et en ce que ledit moyen sous forme de rouleau est lié à la rotation du tambour par un moyen de transmission les accouplant, et en ce que le flasque porte-bobine récepteur de l'embout et dudit moyen a une capacité élastique de débattement pour s'adapter en position lors du dévidage de la bobine.Thus, according to a first characteristic of the invention, the anti-loops device capable of acting on the reel of material of a dispensing apparatus with automatic cutting of strips of material of the type including from a housing with lid flanges fixed devices from which are disposed a drum including a cutting device, with a coil of material wound on a mandrel having ends of end pieces, a pressure roller against the drum is characterized in that said anti-loops device is constituted by roller means having a peripheral surface with projecting protruding means, said means being free in rotation with respect to support planes formed from a flexible spool flange with respect to the receiving flange of the drum, said means being oriented obliquely with respect to the spool of material and coming into point contact with the spool; along its generator with the last turn of the coil to provide a braking effect, and in that said means in the form of a roller is connected to the rotation of the drum by a transmission means coupling them, and in that the flange door -bobine receptor of the tip and said means has an elastic capacity of movement to adapt in position during the unwinding of the coil.
Ces caractéristiques et d'autres encore ressortiront bien de la suite de la description.
Pour fixer l'objet de l'invention illustrée d'une manière non limitative aux figures des dessins où :
- la
figure 1 est une vue à caractère schématique illustrant un appareil distributeur à coupe automatique de matériau d'essuyage, dans sa représentation générale - la
figure 2 est une vue en perspective du dispositif selon l'invention s'intégrant dans un appareil distributeur du type précité, et ce avec une première variante du moyeu de transmission de mouvement entre le tambour récepteur du dispositif de coupe et le dispositif anti-boucle. - la
figure 3 est une vue de côté montrant la mise en oeuvre du dispositif de l'invention contre la bobine de matériau. - la
figure 4 est une vue en coupe éclatée avant montage du moyen sous forme de rouleau coopérant avec la bobine de matériau. - les
figures 4A et 4b sont des vues de faces d'un composant formant poulie et l'autre de l'extrémité du rouleau. - la
figure 5 est une vue en coupe partielle illustrant la position du dispositif par rapport à la bobine de matériau, celle-ci étant représentée en début de dévidage. - la
figure 6 est une vue en deux demi-parties en coupe illustrant en partie gauche le positionnement du dispositif de l'invention en phase de dévidage avancée de la bobine, et en partie droite l'utilisation d'un moyen complémentaire du dispositif stabilisant en position la bobine de matériau. - la
figure 7 est une vue en variante du moyeu de transmission du mouvement au tambour qui entraîne en rotation par la traction de la bande de matériau par l'utilisateur et le dispositif anti-boucles. - la
figure 8 est une vue en coupe avant montage du moyeu sous forme de rouleau coopérant avec la bobine de matériau dans une variante de mise en oeuvre. - les
figures 9A-9B sont des vues, selon lafigure 8 , dans la représentation du moyeu ressort monté sur un manchon support destiné à être introduit dans le rouleau, lafigure 9B étant représentée à 90° par rapport à lafigure 9A . - la
figure 10 est une vue en variante de l'agencement du flasque support d'un rouleau selon l'invention, le flasque pouvant avoir une liberté de flexibilité et/ou de pivotement limité selon la construction de l'appareil.
For fixing the object of the invention illustrated in a nonlimiting manner to the figures of the drawings where:
- the
figure 1 is a schematic view illustrating a dispenser device with automatic cutting of wiping material, in its general representation - the
figure 2 is a perspective view of the device according to the invention integrating into a dispensing apparatus of the aforementioned type, and this with a first variant of the transmission hub movement between the receiving drum of the cutting device and the anti-loop device. - the
figure 3 is a side view showing the implementation of the device of the invention against the reel of material. - the
figure 4 is an exploded sectional view before mounting the means in the form of a roller cooperating with the material reel. - the
FIGS. 4A and 4B are face views of a pulley component and the other of the end of the roller. - the
figure 5 is a partial sectional view illustrating the position of the device relative to the reel of material, the latter being represented at the beginning of reeling. - the
figure 6 is a view in two half-sections in section illustrating in left part the positioning of the device of the invention in the advanced winding phase of the coil, and in the right part the use of a complementary means of the stabilizing device in position the coil of material. - the
figure 7 is an alternative view of the transmission hub of the movement to the drum which rotates by pulling the web of material by the user and the anti-loops device. - the
figure 8 is a sectional view before mounting the hub in the form of a roller cooperating with the material reel in an implementation variant. - the
Figures 9A-9B are views, according to thefigure 8 , in the representation of the spring hub mounted on a support sleeve intended to be introduced into the roll, theFigure 9B being represented at 90 ° to theFigure 9A . - the
figure 10 is an alternative view of the arrangement of the support flange of a roller according to the invention, the flange may have flexibility flexibility and / or limited pivoting depending on the construction of the device.
Afin de rendre plus concret l'objet de l'invention, on le décrit d'une manière non limitative illustrée aux figures des dessins.In order to make the object of the invention more concrete, it is described in a nonlimiting manner illustrated in the figures of the drawings.
La bobine de matériau (3) est enroulée sur un mandrin (7) tubulaire recevant à chacune de ses extrémités un embout (8) susceptible d'être monté sur le flasque porte-bobine. L'embout présente une portée cylindrique (8a) pénétrant dans le mandrin et une collerette (8b) susceptible de venir en appui contre la face transversale de la bobine. L'embout (8) est ainsi monté libre en rotation sur un axe support (9) qui lui est solidaire fixement du flasque porte-bobine.
Le dispositif anti-boucle selon l'invention est constitué par un moyen (M) formant rouleau présentant une surface périphérique avec des moyens en saillie aggripants, ledit moyen est monté libre en rotation par rapport à des plans supports (11-12) formés à partir du flasque (13) porte-bobine, et étant orientés de telle sorte que ledit moyen (M) soit en position oblique par rapport à la bobine de matériau (3) et vienne en contact ponctuel le long de sa génératrice avec la dernière spire de la bobine pour assurer un effet de freinage, ledit moyen (M) sous forme de rouleaux étant lié à la rotation du tambour par un moyen de transmission (T) les accouplant, le flasque porte-bobine (13) récepteur de l'embout et dudit moyen (M) ayant une capacité élastique de débattement pour s'adapter en position lors du dévidage de la bobine. Il y a lieu de préciser que l'axe longitudinal du moyen (M) est positionné perpendiculaire à l'axe de la bobine et exactement dans l'alignement du support de bobine.The reel of material (3) is wound on a tubular mandrel (7) receiving at each of its ends a tip (8) capable of being mounted on the spool flange. The tip has a cylindrical bearing (8a) penetrating into the mandrel and a flange (8b) capable of bearing against the transverse face of the coil. The end piece (8) is thus freely mounted rotation on a support shaft (9) fixedly secured thereto of the spool flange.
The anti-buckle device according to the invention is constituted by a means (M) forming a roll having a peripheral surface with projecting gripping means, said means is rotatably mounted relative to support planes (11-12) formed to from the flange (13), and being oriented so that said means (M) is in an oblique position with respect to the coil of material (3) and comes in point contact along its generator with the last turn of the coil to provide a braking effect, said means (M) in the form of rollers being connected to the rotation of the drum by a transmission means (T) coupling them, the spool flange (13) receiving the endpiece and said means (M) having an elastic displacement capacity to adapt in position during unwinding of the reel. It should be noted that the longitudinal axis of the means (M) is positioned perpendicular to the axis of the coil and exactly in alignment with the coil support.
Plus particulièrement, en se référant à la
Le moyen (M) sous forme de rouleau est orienté obliquement comme il apparaît aux
The means (M) in roll form is oriented obliquely as it appears at
Dans la situation de la
Il y a lieu de décrire maintenant la mise en oeuvre du moyen (T) de transmission entre le tambour (2) et le moyen (M) sous forme de rouleau oblique.
Une première mise en oeuvre qui est illustrée aux
It is appropriate to describe now the implementation of the transmission means (T) between the drum (2) and the means (M) in the form of oblique roll.
A first implementation that is illustrated in the
Pour ce faire, le tambour (2) présente une extrémité avec prolongement formant gorge (2a) concentrique à l'axe du tambour et servant de logement et de guidage à ladite courroie (16).
Le moyen (M) sous forme de rouleau présente une extrémité basse, un composant (17) incluant une partie en forme de poulie susceptible de recevoir ladite courroie de transmission (16) et ce dans un plan différent de sa position sur le tambour. Le moyen (M) présente à ses extrémités des doigts de positionnement pénétrant dans les plans supports (11-12). On comprend parfaitement que l'effet de traction d'une bande de matériau par l'utilisateur qui entraîne la rotation du tambour et la sortie de la lame de coupe entraîne simultanément la rotation du moyen (M) qui accompagne ainsi le dévidage de la bobine avec toujours le point de contact (A) ponctuel qui se déplace le long du moyen (M).To do this, the drum (2) has an end with groove extension (2a) concentric with the axis of the drum and serving as housing and guiding said belt (16).
The roller means (M) has a low end, a component (17) including a pulley-shaped portion adapted to receive said transmission belt (16) and in a plane different from its position on the drum. The means (M) has at its ends positioning fingers penetrating the support planes (11-12). It is perfectly understood that the traction effect of a web of material by the user which causes the rotation of the drum and the output of the cutting blade simultaneously causes the rotation of the means (M) which thus accompanies the unwinding of the reel always with the point of contact (A) punctually moving along the means (M).
On a représenté
Dans cette mise en oeuvre le tambour (2) reçoit en lieu et place de la gorge (2a) précitée réceptionnant la courroie (16), une roue dentée (18) à denture droite montée axialement sur l'axe du tambour.
Sur le flasque latéral (1) est rapporté et fixé dans un plan perpendiculaire à ladite roue dentée un moyen de transmission (19) à deux pignons (19a - 19b) coaxiaux, l'un à denture droite (19a) engrenant avec la roue dentée (18) et l'autre à denture conique (19b). Ce dernier est alors susceptible de coopérer à son tour avec un arbre de liaison et de raccordement (20) monté par rapport au flasque flexible (13) à l'aide de tous supports appropriés, et présentant à chacune de ses extrémités deux pignons à denture conique (20a-20b), l'un (20a) coopérant avec le pignon conique (19b) et l'autre (20b) coopérant avec un pignon conique (21) disposé en bout du moyen (M) formant rouleau. L'ensemble de ces moyens d'engrènement autorise le transfert mécanique du mouvement de rotation du tambour jusqu'au rouleau oblique assurant la fonction anti-boucles sur la bobine.
Il y a lieu de considérer que le degré de flexibilité du flasque (13) qui reste limité n'est pas gênant à l'engrènement des différents pignons coniques qui restent en prise. Tous ces moyens d'engrènement peuvent être en matériaux métalliques ou en matière plastique.
Il y a lieu d'observer que le flasque flexible (13) qui constitue le bras de chargement de la bobine est d'une grande simplicité de construction et remplace avantageusement les systèmes utilisés selon l'art antérieur.
L'invention inclut à partir du moyen (M) en forme de rouleau, un autre aménagement assurant la fonction de rappel de la bobine. A cet effet, le moyen (M) est agencé intérieurement pour recevoir un ressort de rappel (22) dont une extrémité (22a) en forme de boucle s'ajuste dans un rainurage (23a) formé sur le flasque (23) d'obturation, et à l'autre extrémité (22b) en forme de boucle pour s'ajuster sur le composant (17) formant poulie ou incluant un pignon destiné à mettre en tension ledit ressort. Ce composant (17) comprend une portée cylindrique (17a) fendue en extrémité dans laquelle s'engage l'extrémité du ressort et une double collerette (17b) formant poulie dans le cas d'un moyen de transmission sous forme de courroie, ou par un pignon conique (21) dans le cas d'une transmission mécanique. Ledit composant s'ajuste en fermeture du rouleau, puis un doigt (17c) de fixation sur la plaque support fixe (11). Une butée (17d) est formée sur la face interne de la collerette. Cette butée est susceptible de coopérer avec une autre butée (25) formée sur la partie épaulée (26) établie à l'extrémité du rouleau (R). On comprend ainsi que la rotation sur lui-même dudit composant (17) met en torsion le ressort de rappel, et le contact des deux butées (25 et 17d), avec le positionnement dudit composant (17) dans la partie épaulée (26) formant siège du moyen (M) assure le verrouillage en position de l'ensemble. En fonctionnement, ledit moyen (M) peut ainsi par détente du ressort provoquer la rotation en sens contraire de la bobine et assure ainsi le ré-embobinage de la bobine et éviter toute apparition de boucles.We have shown
In this implementation the drum (2) receives instead of the groove (2a) above receiving the belt (16), a toothed wheel (18) with straight teeth axially mounted on the axis of the drum.
On the side flange (1) is attached and fixed in a plane perpendicular to said gear wheel transmission means (19) with two pinions (19a - 19b) coaxial, one with right teeth (19a) meshing with the gear wheel (18) and the other conically toothed (19b). The latter is then likely to cooperate in turn with a linkage tree and connection (20) mounted with respect to the flexible flange (13) by means of any suitable supports, and having at each of its ends two bevel gears (20a-20b), one (20a) cooperating with the pinion conical (19b) and the other (20b) cooperating with a bevel gear (21) disposed at the end of the means (M) forming a roller. All of these meshing means allow the mechanical transfer of the drum rotation movement to the oblique roller providing the anti-loops function on the reel.
It should be considered that the degree of flexibility of the flange (13) which remains limited is not troublesome to the meshing of the different conical gears which remain in engagement. All these meshing means may be of metal materials or plastic material.
It should be noted that the flexible flange (13) which constitutes the loading arm of the coil is of great simplicity of construction and advantageously replaces the systems used according to the prior art.
The invention includes from the means (M) in the form of a roller, another arrangement providing the return function of the coil. For this purpose, the means (M) is arranged internally to receive a return spring (22) whose one end (22a) in the form of a loop fits into a groove (23a) formed on the flange (23) shutter , and at the other end (22b) in the form of a loop to fit on the component (17) forming a pulley or including a pinion for tensioning said spring. This component (17) comprises a cylindrical bearing surface (17a) slotted at the end in which the end of the spring engages and a double flange (17b) forming a pulley in the case of a transmission means in the form of a belt, or by a bevel gear (21) in the case of a mechanical transmission. Said component adjusts to close the roll, then a finger (17c) of attachment to the fixed support plate (11). A stop (17d) is formed on the inner face of the collar. This stop is likely to cooperate with another stop (25) formed on the shouldered portion (26) established at the end of the roller (R). We thus comprises that the rotation on itself of said component (17) torsion the return spring, and the contact of the two stops (25 and 17d), with the positioning of said component (17) in the shoulder portion (26) forming middle seat (M) ensures locking in position of the assembly. In operation, said means (M) can thus by expansion of the spring cause rotation in the opposite direction of the coil and thus ensures the rewinding of the coil and avoid any appearance of loops.
En se référant aux
A cet effet, le corps (30) du rouleau (R) reçoit, à une extrémité, un composant (17) du type précité présentant une portée cylindrique fendue (17a) se trouvant à l'intérieur du corps du rouleau après mise en place, et un appendice (17c). De l'autre côté, le corps (30) du rouleau présente, en prolongement, une bague (31) épaulée de plus grande section. Cette bague est obtenue monobloc avec ledit corps et sert de siège à un manchon (32) cylindrique agencé de manière spécifique pour, d'une part, recevoir, à une extrémité, le ressort de rappel (22) et, d'autre part, à son autre extrémité, recevoir un premier moyen d'engrenage (33). Plus spécifiquement, le manchon (32) présente une portée cylindrique principale (32a) se prolongeant à une extrémité par une seconde portée (32b) de plus petite section et fendue pour recevoir l'extrémité en crochet (22a) du ressort de rappel. L'orientation de fixation du ressort, à travers la fente (32c), s'effectue dans un plan perpendiculaire à celui formé sur le composant (17). Le ressort (22) est donc emmanché sur la seconde portée (32b) fixée en position par la fente (32c) de sorte qu'il ne peut bouger et reste constamment dans le plan axial longitudinal du rouleau, en évitant tout contact avec l'orifice intérieur de celui-ci. A l'autre extrémité, le manchon (32) présente une collerette (32d) venant en appui et centrage dans la partie bague. Ladite collerette présente un ergot (32e) qui vient en contact et butée contre un doigt (32f) établi du type de ceux décrits (17d - 25) aux
En fonction de l'agencement de l'appareil distributeur et de ses spécificités, la roue dentée (18), qui est associée au tambour (2) de la réalisation illustrée
On a ainsi représenté,
Enfin, selon une autre disposition de l'invention, il est possible comme représenté
Les avantages ressortent bien de l'invention. La nouvelle conception du dispositif anti-boucle est particulièrement efficace pour répondre au problème posé des bobines de matériaux de papier recyclé lisse.The advantages are apparent from the invention. The new design of the anti-loop device is particularly effective in addressing the problem posed by coils of smooth recycled paper materials.
Claims (13)
- Anti-kink control device for automatic wipe material dispensing machines of the type including, based on a housing with a cover, fixed side pieces (1) on which a drum (2) including a cutting device is placed with a reel of material (3) wound on a core (7), each end of which has end fittings (8), a pressure roller (4) being braced against the drum, said anti-kink device consisting of means (M) forming a roller, said means (M) in the form of a roller being linked to rotation of the drum by transmission means (T) which connects them, characterised in that said means (M) forming a roller has a peripheral surface with protruding gripping features, said means (M) being rotatably mounted relative to support planes (11-12) formed on reel-holder side piece (13) which is flexible relative to side piece (1) which receives drum (2), said means (M) being oriented obliquely relative to the reel of material and making point contact (A) along its generating line with the last turn of the reel in order to exert a braking effect,
and in that reel-holder side piece (13) which receives end fitting (8) and said means (M) has the ability to deflect elastically in order to adapt its position as the reel is emptied. - Device as claimed in claim 1, characterised in that one of the side pieces (1) of the housing of the machine on which drum (2) supporting the blade of the cutting device and the pressure roller are positioned receives reel-holder side piece (13) fixed so that the latter has a certain degree of flexibility and in that connection of the front part (13a) of reel-holder side piece (13) to side piece (1) is established by means (14).
- Device as claimed in claim 2. characterised in that said reel-holder side piece (13) extends towards the rear of the housing of the machine with an upper part (13b) designed to receive shaft (9) which supports above-mentioned end fitting (8),
and in that the rear part of said side piece has two parallel support planes (11-12) between which means (M) in the form of a roller is fitted. - Device as claimed in claim 3, characterised in that lower support plane (11) has a cut-out (11a) for attaching one end (15a) of a return spring (15), the other end (15b) of which is anchored to the opposite facing part of the housing of the machine.
- Device as claimed in claim 1, characterised in that the transmission means consists of an endless drive belt (16),
and in that drum (2) has one end with an extension forming a groove (2a) which is concentric with the shaft of the drum and is used to secure and guide said belt (16),
and in that means (M) in the form of a roller has a lower end with a component (17) including a part shaped like a fuller capable of accommodating said transmission belt (16) in a plane which is different to the position of the belt on the drum. - Device as claimed in claim 3, characterised in that means (M) has, on its ends, positioning pins which penetrate into support planes (11-12).
- Device as claimed in claim one 1, characterised in that transmission means (T) between drum (2) and means (M) is established with components in the form of drive pinions.
- Device as claimed in claim 7, characterised in that drum (2) has, on its end, a sprocket (18) with spur teeth mounted axially on its shaft,
and in that transmission means (19) with two coaxial pinions (19a-19b), one with spur teeth (19a) which mesh with toothed wheel (18) and the other with bevel teeth (19b), are separately mounted on lateral side piece (1) and fixed in a plane which is perpendicular to said toothed wheel,
and in that the pinion with bevel teeth is then capable of cooperating in turn with a linking and connecting shaft (20) mounted relative to flexible side piece (13) with the aid of any appropriate supports and having, at each of its ends, two pinions with bevel teeth (20a-20b), one (20a) of which cooperates with bevel pinion (19b) and the other (20b) of which cooperates with bevel pinion (21) located at the end of means (M) which forms a roller,
and in that all these gear means allow rotational movement of the drum to be transferred mechanically to the oblique roller which fulfils an anti-kink function for the reel. - Device as claimed in either of claims 5 and 7, characterised in that means (M) in the form of a roller is internally designed to accommodate a return spring (22), one end (22a) of which is loop shaped and fits in a groove (23a) formed on sealing side piece (23) and the other end (22b) of which is loop shaped in order to fit on component (17) which is designed to tension said spring,
and in that component (17) comprises a cylindrical bearing surface (17a) with a split end in which the end of the spring engages and a double flange (17b) forming a pulley or a pinion (21) and adjusts itself when the roller is closed and then a pin (17c) for attachment to fixed support plate (11),
and in that there is a limit stop (17d) on the inner face of the flange,
and in that this limit stop is capable of cooperating with another limit stop (25) formed on the shouldered part (26) at the end of the roller (R). - Device as claimed in claim 1, characterised in that it includes, on the other side of the reel and starting from fixed side piece (1), another roller (M) which is rotatably mounted without any other means of connection and transmission in an oblique position in order to provide a counter-brace for the reel of material.
- Device as claimed in claim 1, characterised in that means (M) in the form of a roller comprises a unit (30) which receives, at one end, a component (17) having a split cylindrical bearing surface (17a) located inside the unit of the roller after it is put in place and an appendage (17c)
and in that, on the other side, said unit (30) is extended and has a shouldered ring (31) of larger cross-section, this ring being used as a seat for a cylindrical sleeve (32) designed specifically first to receive, at one end, return spring (22) and secondly, at its other end, to receive first gear means (33)
and in that sleeve (32) has a main cylindrical bearing surface (32a) which extends at one end as a second bearing surface (32b) having a smaller cross-section and which is split in order to receive the hook end (22a) of the return spring, attachment of the spring being oriented through slit (32c) in a plane which is perpendicular to that formed on the component (17). - Device as claimed in claim 11, characterised in that. at its other end, sleeve (32) has a flange (32d) which rests against and is cantered in the ring part,
and in that said flange has a stub (32e) which comes into contact with and is stopped by a pin (32f). - Device as claimed in claim 1, characterised in that a gear (34) of longer length (I) is directly associated with operating means (35) mounted on the lateral wall of the housing,
and in that this gear (34) has a central shaft (34a) which has a connection to drum (2),
and in that gear (34) has a longer meshed length than gear (36) which is mounted opposite it and which belongs to a gear train (37-38-39-40) originating from the roller (R) in order to transmit movement,
and in that the meshed length of this gear (34) allows slight lateral deflection of side piece (13) which supports the reel of material and roller (R).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0451065A FR2870702B1 (en) | 2004-05-28 | 2004-05-28 | ANTI-BUCKLE CONTROL DEVICE FOR AUTOMATIC DISPENSER EQUIPMENT FOR WIPING MATERIALS |
FR0451835A FR2870703B1 (en) | 2004-05-28 | 2004-08-11 | ANTI-BUCKLE CONTROL DEVICE FOR AUTOMATIC DISPENSER EQUIPMENT FOR WIPING MATERIALS |
PCT/FR2005/050309 WO2005117675A1 (en) | 2004-05-28 | 2005-05-10 | Anti-kink control device for an automatic wiping material dispenser unit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1750562A1 EP1750562A1 (en) | 2007-02-14 |
EP1750562B1 true EP1750562B1 (en) | 2008-10-15 |
Family
ID=34980037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05762656A Not-in-force EP1750562B1 (en) | 2004-05-28 | 2005-05-10 | Anti-kink control device for an automatic wiping material dispenser unit |
Country Status (7)
Country | Link |
---|---|
US (1) | US7712699B2 (en) |
EP (1) | EP1750562B1 (en) |
AT (1) | ATE410948T1 (en) |
DE (1) | DE602005010423D1 (en) |
ES (1) | ES2313376T3 (en) |
FR (1) | FR2870703B1 (en) |
WO (1) | WO2005117675A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT506715B1 (en) * | 2008-05-05 | 2011-06-15 | Hagleitner Hans Georg | PAPER DISPENSER |
FR2989260A1 (en) * | 2012-04-12 | 2013-10-18 | Maurice Granger | <P> APPARATUS FOR DISTRIBUTING NONWOVEN AND PREDECUTED WIPING MATERIALS </ P> |
DE102012219552A1 (en) * | 2012-10-25 | 2014-04-30 | Krones Ag | Glue roller for a labeling device |
US9795258B2 (en) * | 2013-09-05 | 2017-10-24 | Dispensing Dynamics International, Llc | Dispenser apparatus with damper for dispensing paper toweling |
US9895033B2 (en) * | 2014-12-05 | 2018-02-20 | Dispensing Dynamics International, Llc | Dispenser apparatus with damper for dispensing paper toweling |
US11395566B2 (en) | 2016-04-11 | 2022-07-26 | Gpcp Ip Holdings Llc | Sheet product dispenser |
US11412900B2 (en) | 2016-04-11 | 2022-08-16 | Gpcp Ip Holdings Llc | Sheet product dispenser with motor operation sensing |
AU2019456174A1 (en) * | 2019-07-05 | 2021-12-02 | Essity Hygiene And Health Aktiebolag | Dispenser for dispensing web material from a roll |
US11479431B2 (en) | 2019-07-19 | 2022-10-25 | Dispensing Dynamics International, Inc. | Dispensing systems with floating support rollers |
KR20230007380A (en) * | 2020-04-21 | 2023-01-12 | 킴벌리-클라크 월드와이드, 인크. | Dispenser with mechanical transmission and method |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2833489A (en) * | 1953-05-14 | 1958-05-06 | Acme Steel Co | Band dispenser |
GB997553A (en) * | 1960-11-08 | 1965-07-07 | Steiner Co Lausanne Sa | A time delay device |
US3647159A (en) * | 1970-06-18 | 1972-03-07 | Vaughan Mfg Co | Towel dispenser |
OA04528A (en) * | 1972-04-27 | 1980-03-30 | Granger Maurice | Device for the simultaneous distribution and cutting of coiled material bands. |
ES2120806T3 (en) * | 1995-02-07 | 1998-11-01 | Maurice Granger | DISTRIBUTOR DEVICE FOR DRYING MATERIALS WHICH MAY BE DISTRIBUTED IN A FOLDED OR UNFOLDED FORM. |
JP2833534B2 (en) * | 1995-09-05 | 1998-12-09 | ノーリツ鋼機株式会社 | Paper Magazine |
FR2743057B1 (en) * | 1996-01-03 | 1998-02-13 | Granger Maurice | APPARATUS FOR DISPENSING WIPING MATERIALS WHICH CAN BE DISTRIBUTED IN FOLDED OR UNFOLDED FORM |
FR2771620B1 (en) * | 1997-12-01 | 1999-12-31 | Maurice Granger | WIPING PAPER DISPENSING APPARATUS |
FR2791655B1 (en) * | 1999-04-02 | 2001-05-04 | Maurice Granger | CONTROL AND SECURITY DEVICE FOR THE OUTPUT OF STRIPS FOR AN APPARATUS FOR DISTRIBUTING AND SIMULTANEOUS CUTTING OF STRIPS OF WOUND MATERIAL |
FR2805449B1 (en) * | 2000-02-29 | 2002-05-10 | Maurice Granger | APPARATUS FOR DISPENSING WIPING MATERIALS |
CA2386421A1 (en) * | 1999-10-26 | 2001-05-03 | Maurice Granger | Device for distributing wiping material |
FR2834439B1 (en) * | 2002-01-09 | 2004-03-26 | Maurice Granger | DEVICE FOR CONTROLLING AND REPOSITIONING A COIL OF WIPING MATERIALS IN AN AUTOMATIC CUTTING DISPENSING APPARATUS |
FR2848803B1 (en) * | 2002-12-24 | 2005-02-11 | Maurice Granger | DEVICE FOR CONTROLLING THE ROTATION OF THE DRUM OF AN APPARATUS DISPENSING WIPING MATERIAL |
FR2848802B1 (en) * | 2002-12-24 | 2005-02-11 | Maurice Granger | DEVICE FOR CONTROLLING THE ROTATION OF THE DRUM OF AN APPARATUS DISPENSING WIPING MATERIAL |
-
2004
- 2004-08-11 FR FR0451835A patent/FR2870703B1/en not_active Expired - Fee Related
-
2005
- 2005-05-10 ES ES05762656T patent/ES2313376T3/en active Active
- 2005-05-10 DE DE602005010423T patent/DE602005010423D1/en active Active
- 2005-05-10 EP EP05762656A patent/EP1750562B1/en not_active Not-in-force
- 2005-05-10 US US11/569,628 patent/US7712699B2/en not_active Expired - Fee Related
- 2005-05-10 WO PCT/FR2005/050309 patent/WO2005117675A1/en active Application Filing
- 2005-05-10 AT AT05762656T patent/ATE410948T1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2870703A1 (en) | 2005-12-02 |
US7712699B2 (en) | 2010-05-11 |
ATE410948T1 (en) | 2008-10-15 |
WO2005117675A1 (en) | 2005-12-15 |
DE602005010423D1 (en) | 2008-11-27 |
EP1750562A1 (en) | 2007-02-14 |
US20070278334A1 (en) | 2007-12-06 |
ES2313376T3 (en) | 2009-03-01 |
FR2870703B1 (en) | 2006-07-07 |
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