EP0512935B1 - Device for driving a bobbin on a roving frame for long and short fibres - Google Patents
Device for driving a bobbin on a roving frame for long and short fibres Download PDFInfo
- Publication number
- EP0512935B1 EP0512935B1 EP19920440053 EP92440053A EP0512935B1 EP 0512935 B1 EP0512935 B1 EP 0512935B1 EP 19920440053 EP19920440053 EP 19920440053 EP 92440053 A EP92440053 A EP 92440053A EP 0512935 B1 EP0512935 B1 EP 0512935B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bobbin
- spindle
- upper portion
- driving
- roving frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000835 fiber Substances 0.000 description 4
- 241000446313 Lamella Species 0.000 description 3
- 241000722921 Tulipa gesneriana Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/02—Spinning or twisting arrangements for imparting permanent twist
- D01H7/04—Spindles
- D01H7/16—Arrangements for coupling bobbins or like to spindles
Definitions
- the present invention relates to the textile industry, in particular pin benches for long fibers and short fibers, in particular the driving of the bobbins of such pin benches, and relates to a drive device intended for this purpose. .
- the rotary drive of the spindle bench bobbins is generally carried out by means of a nose disposed at the base of the spindle and cooperating with a notch formed in the base of the bobbin.
- the nose which cooperates with said notch thus drives the bobbin.
- to carry out such a drive it is necessary for the operator to bring the notch of the bobbin in cooperation with the nose of the spindle.
- the present invention aims to overcome these drawbacks.
- a device for driving the bobbin of a bench with spindles for long and short fibers the spindle of which has at its free upper end an elastically deformable drive means cooperating by shape with a corresponding arrangement of the inner upper part of the bobbin, characterized in that the elastically deformable drive means is independent of the spindle, is fixed to the upper end of the latter and is constituted by a tulip-shaped lamellar spring, said lamellas being arranged at regular intervals around the periphery of the upper end of the spindle and extending, by their upper part curved in a concentric crown, beyond the diameter of the spindle, the elastically deformable drive means thus allowing a friction drive in the event that the lamellae are not positioned opposite the fittings corresponding to the inner top of the bobbin.
- the device for driving the bobbin of a bench with spindles for long and short fibers is provided with a spindle 1 having at its free upper end an elastically deformable drive means 2 cooperating by shape with a corresponding arrangement of the upper inner part of the bobbin.
- the elastically deformable drive means 2 is advantageously constituted by a leaf spring 3 in the form of a tulip, said blades 3 being arranged at regular intervals around the periphery of the upper end of the spindle 1 and extending through their part. upper bent in a concentric crown, beyond the diameter of the spindle 1.
- the arrangement of the upper internal part of the bobbin preferably consists of notches of shape corresponding to that of the lamellae 3 and extending at corresponding regular intervals, or alternatively of grooves extending over the entire internal part of the bobbin.
- each fin of the spindle bench is provided near its axis with a flexible stop intended to cooperate with the upper part of the bobbin in order to promote a total nesting of the latter on the spindle 1.
- the drive device Due to a large number of lamellae cooperating with a corresponding number of notches or splines, the drive device according to the invention allows the bobbin to be pushed entirely onto pin 1 of a pin bench whatever or the angular position of said bobbin relative to said spindle 1.
- the device according to the invention does not produce any axial thrust on said bobbin, preventing the latter from tending to rise up.
- the lamellae of the spring act simultaneously in order to cancel any radial play of the bobbin on the spindle 1, thus avoiding any possibility of vibration.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Winding Filamentary Materials (AREA)
- Treatment Of Fiber Materials (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Preliminary Treatment Of Fibers (AREA)
Description
La présente invention concerne le domaine de l'industrie textile, en particulier les bancs à broches pour fibres longues et fibres courtes, notamment l'entraînement des bobinots de tels bancs à broches, et a pour objet un dispositif d'entraînement destiné à cet effet.The present invention relates to the textile industry, in particular pin benches for long fibers and short fibers, in particular the driving of the bobbins of such pin benches, and relates to a drive device intended for this purpose. .
Actuellement, l'entraînement en rotation des bobinots de bancs à broches est généralement réalisé au moyen d'un nez disposé à la base de la broche et coopérant avec une encoche ménagée dans la base du bobinot. Le nez qui coopére avec ladite encoche entraîne ainsi le bobinot. Toutefois, pour réaliser un tel entraînement il est nécessaire que l'opérateur amène l'encoche du bobinot en coopération avec le nez de la broche.Currently, the rotary drive of the spindle bench bobbins is generally carried out by means of a nose disposed at the base of the spindle and cooperating with a notch formed in the base of the bobbin. The nose which cooperates with said notch thus drives the bobbin. However, to carry out such a drive it is necessary for the operator to bring the notch of the bobbin in cooperation with the nose of the spindle.
Une telle opération est possible tant que la levée est effectuée manuellement, l'opérateur mettant lui-même les bobinots en place, mais, dans le cas d'une levée automatique, le bobinot peut être amené dans une position angulaire quelconque par rapport à la broche, de sorte qu'il est peu probable que l'encoche du bobinot se trouve juste au-dessus du nez de la broche, ce qui peut avoir pour conséquence des défauts d'entraînement dudit bobinot, à savoir notamment un glissement sur le nez jusqu'à enclenchement de celui-ci dans l'encoche, ledit enclenchement provoquant alors une accélération brutale néfaste au filage.Such an operation is possible as long as the lifting is carried out manually, the operator putting the bobbins in place himself, but, in the case of automatic lifting, the bobbin can be brought into any angular position relative to the spindle, so it is unlikely that the notch of the bobbin is located just above the nose of the spindle, which can result in drive faults of said bobbin, namely in particular a sliding on the nose until it engages in the notch, said engagement then causing a sudden acceleration harmful spinning.
On connaît également, par US-A-4 428 541, un dispositif d'entraînement de bobines au moyen de ressorts s'engageant dans des rainures, ces ressorts étant prévus en partie supérieure de la broche recevant le bobinot. Un tel dispositif ne permet, cependant, pas d'assurer toujours de manière correcte l'entraînement de la bobine. En effet, les deux ressorts doivent être bien engagés dans les rainures pour permettre un fonctionnement correct. En outre, la construction selon ce document est complexe et onéreuse.Also known from US-A-4,428,541 is a device for driving coils by means of springs engaging in grooves, these springs being provided in the upper part of the spindle receiving the bobbin. Such a device does not, however, always ensure correct drive of the coil. Indeed, the two springs must be properly engaged in the grooves to allow correct operation. In addition, construction according to this document is complex and expensive.
La présente invention a pour but de pallier ces inconvénients.The present invention aims to overcome these drawbacks.
Elle a, en effet, pour objet un dispositif d'entraînement du bobinot d'un banc à broches pour fibres longues et courtes, dont la broche présente à son extrémité supérieure libre un moyen élastiquement déformable d'entraînement coopérant par forme avec un aménagement correspondant de la partie supérieure intérieure du bobinot, caractérisé en ce que le moyen d'entraînement élastiquement déformable est indépendant de la broche, est fixé à l'extrémité supérieure de cette dernière et est constitué par un ressort à lamelles en forme de tulipe, lesdites lamelles étant disposées à intervalles réguliers sur le pourtour de l'extrémité supérieure de la broche et s'étendant, par leur partie supérieure recourbée suivant une couronne concentrique, au-delà du diamètre de la broche, le moyen d'entraînement élastiquement déformable permettant ainsi un entraînement par friction dans le cas où les lamelles ne sont pas positionnées en face des aménagements correspondants de la partie supérieure intérieure du bobinot.It relates, in fact, to a device for driving the bobbin of a bench with spindles for long and short fibers, the spindle of which has at its free upper end an elastically deformable drive means cooperating by shape with a corresponding arrangement of the inner upper part of the bobbin, characterized in that the elastically deformable drive means is independent of the spindle, is fixed to the upper end of the latter and is constituted by a tulip-shaped lamellar spring, said lamellas being arranged at regular intervals around the periphery of the upper end of the spindle and extending, by their upper part curved in a concentric crown, beyond the diameter of the spindle, the elastically deformable drive means thus allowing a friction drive in the event that the lamellae are not positioned opposite the fittings corresponding to the inner top of the bobbin.
L'invention sera mieux comprise, grâce à la description ci-après, qui se rapporte à un mode de réalisation préféré, donné à titre d'exemple non limitatif, et expliqué avec référence au dessin schématique annexé, dans lequel :
- la figure 1 est une vue en élévation du dispositif conforme à l'invention, et
- la figure 2 est une vue en plan du dispositif suivant la figure 1.
- FIG. 1 is an elevation view of the device according to the invention, and
- FIG. 2 is a plan view of the device according to FIG. 1.
Conformément à l'invention, et comme le montrent plus particulièrement, à titre d'exemple, les figures 1 et 2 du dessin annexé, le dispositif d'entraînement du bobinot d'un banc à broches pour fibres longues et courtes est muni d'une broche 1 présentant à son extrémité supérieure libre un moyen 2 élastiquement déformable d'entraînement coopérant par forme avec un aménagement correspondant de la partie supérieure intérieure du bobinot.In accordance with the invention, and as shown more particularly, by way of example, FIGS. 1 and 2 of the appended drawing, the device for driving the bobbin of a bench with spindles for long and short fibers is provided with a
Le moyen d'entraînement 2 élastiquement déformable est avantageusement constitué par un ressort à lamelles 3 en forme de tulipe, lesdites lamelles 3 étant disposées à intervalles réguliers sur le pourtour de l'extrémité supérieure de la broche 1 et s'étendant, par leur partie supérieure recourbée suivant une couronne concentrique, au-delà du diamètre de la broche 1.The elastically deformable drive means 2 is advantageously constituted by a
L'aménagement de la partie supérieure intérieure du bobinot consiste, de préférence, en des crans de forme correspondante à celle des lamelles 3 et s'étendant à des intervalles réguliers correspondants, ou encore en des cannelures s'étendant sur toute la partie intérieure du bobinot.The arrangement of the upper internal part of the bobbin preferably consists of notches of shape corresponding to that of the
Afin de faciliter, lors de la mise en place automatique des bobinots sur le banc à broches, une pénétration complète de chaque broche 1 dans le bobinot correspondant, chaque ailette du banc à broches est pourvue près de son axe d'une butée souple destinée à coopérer avec la partie supérieure du bobinot afin de favoriser un emboîtement total de ce dernier sur la broche 1.In order to facilitate, during the automatic positioning of the bobbins on the spindle bench, penetration complete of each
En effet, lors de la mise en place du bobinot au moyen d'un robot, celui-ci est enfoncé entièrement sur la broche 1 correspondante par un mouvement du chariot faisant entrer la partie supérieure du bobinot en contact avec la butée souple correspondante placée dans l'axe de l'ailette. Dans le cas où les crans ou cannelures ne sont pas exactement en face des lamelles 3 du moyen 2, lesdites lamelles 3 se replient élastiquement en direction de l'axe central et assurent un entraînement par friction du bobinot. Cet entraînement subiste tant que la bobine ne subit pas de surcharge, le bobinot tournant, dans ce dernier cas, par rapport aux lamelles 3, jusqu'à ce que ces dernières se positionnent dans les crans correspondants. Un tel mouvement relatif entre le bobinot et la broche 1 ne s'effectue, en fait, que sur une fraction de tour, l'entraînement devenant alors positif, sans aucune possibilité d'interruption.Indeed, during the positioning of the bobbin by means of a robot, the latter is pushed entirely onto the
Du fait d'un nombre important de lamelles coopérant avec un nombre correspondant de crans ou de cannelures, le dispositif d'entraînement conforme à l'invention, permet d'enfoncer entièrement le bobinot sur la broche 1 d'un banc à broches quelle que soit la position angulaire dudit bobinot par rapport à ladite broche 1.Due to a large number of lamellae cooperating with a corresponding number of notches or splines, the drive device according to the invention allows the bobbin to be pushed entirely onto
L'entraînement s'effectuant par coopération entre les lamelles 3 du moyen 2 de la broche 1 et les crans ou cannelures du bobinot, le dispositif conforme à l'invention ne produit aucune poussée axiale sur ledit bobinot, évitant que ce dernier ait tendance à se soulever.Since the drive takes place by cooperation between the
En outre, il est inutile que le robot de mise en place des bobinots effectue des opérations de recherche de position d'enclenchement, ce qui évite l'utilisation de robots complexes et onéreux.In addition, there is no need for the bobbin positioning robot to perform search operations position, which avoids the use of complex and expensive robots.
Enfin, les lamelles du ressort agissent simultanément afin d'annuler tout jeu radial du bobinot sur la broche 1, évitant ainsi toute possibilité de vibration.Finally, the lamellae of the spring act simultaneously in order to cancel any radial play of the bobbin on the
Grâce à l'invention, il est possible de réaliser un dispositif d'entraînement de bobinots permettant un centrage et un entraînement parfaits de ces derniers, ainsi que leur mise en place et leur enlèvement automatiques.Thanks to the invention, it is possible to produce a reel drive device allowing perfect centering and driving of the latter, as well as their automatic installation and removal.
Bien entendu, l'invention n'est pas limitée au mode de réalisation décrit et représenté au dessin annexé. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is not limited to the embodiment described and shown in the accompanying drawing. Modifications remain possible, notably from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.
Claims (3)
- Device for driving the bobbin of a roving frame for long and short fibres, of which the spindle (1) has, at its free upper end, an elastically deformable driving means (2) cooperating in shape with a corresponding arrangement of the internal upper portion of the bobbin, characterised in that the elastically deformable driving means (2) is independent of the spindle (1), is fixed to the upper end thereof and consists of a tulip-shaped leaf spring (3), said leaves (3) being disposed at regular intervals on the periphery of the upper end of the spindle (1) and extending, with their upper portion curved into a concentric crown, beyond the diameter of the spindle (1), the means (2) thus allowing driving by friction in the case where the leaves (3) are not positioned opposite the corresponding arrangements of the internal upper portion of the bobbin.
- Device according to Claim 1, characterised in that the arrangement of the internal upper portion of the bobbin consists of notches having a shape corresponding to that of the leaves (3) and extending at corresponding regular intervals, or again of grooves extending over the entire internal portion of the bobbin.
- Device according to any one of Claims 1 and 2, characterised in that each blade of the roving frame is provided close to its axis with a flexible abutment intended to cooperate with the upper portion of the bobbin so as to promote total engagement thereof on the spindle (1).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9105727A FR2676237A1 (en) | 1991-05-06 | 1991-05-06 | DEVICE FOR DRIVING THE BOBINOT OF A POCKET BENCH FOR LONG AND SHORT FIBERS. |
FR9105727 | 1991-05-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0512935A1 EP0512935A1 (en) | 1992-11-11 |
EP0512935B1 true EP0512935B1 (en) | 1995-11-02 |
Family
ID=9412696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19920440053 Expired - Lifetime EP0512935B1 (en) | 1991-05-06 | 1992-05-05 | Device for driving a bobbin on a roving frame for long and short fibres |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0512935B1 (en) |
JP (1) | JPH05147823A (en) |
DE (2) | DE69205724T2 (en) |
ES (1) | ES2041230T3 (en) |
FR (1) | FR2676237A1 (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3529784A (en) * | 1968-01-05 | 1970-09-22 | Baldt Corp | Antivibration spindle |
JPS5042473Y2 (en) * | 1971-04-26 | 1975-12-02 | ||
DE2225555C3 (en) * | 1972-05-26 | 1981-07-30 | W. Schlafhorst & Co, 4050 Mönchengladbach | Bobbin holder |
FR2415154A1 (en) * | 1978-01-24 | 1979-08-17 | Mackie & Sons Ltd J | High-speed long spindles for ring spinning or twisting - use suppression of the yarn balloon, and have a metal tube fitment for greater stability |
US4428541A (en) * | 1980-09-26 | 1984-01-31 | Rieter Machine Works, Limited | Bobbin and a bobbin support structure for a roving frame |
ATE126555T1 (en) * | 1989-04-14 | 1995-09-15 | Rieter Ag Maschf | THREAD SLEEVE. |
-
1991
- 1991-05-06 FR FR9105727A patent/FR2676237A1/en active Granted
-
1992
- 1992-04-28 JP JP13586392A patent/JPH05147823A/en active Pending
- 1992-05-05 DE DE1992605724 patent/DE69205724T2/en not_active Expired - Fee Related
- 1992-05-05 ES ES92440053T patent/ES2041230T3/en not_active Expired - Lifetime
- 1992-05-05 EP EP19920440053 patent/EP0512935B1/en not_active Expired - Lifetime
- 1992-05-05 DE DE1992440053 patent/DE512935T1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE512935T1 (en) | 1993-09-02 |
EP0512935A1 (en) | 1992-11-11 |
FR2676237A1 (en) | 1992-11-13 |
ES2041230T1 (en) | 1993-11-16 |
FR2676237B1 (en) | 1994-12-16 |
JPH05147823A (en) | 1993-06-15 |
ES2041230T3 (en) | 1996-03-16 |
DE69205724D1 (en) | 1995-12-07 |
DE69205724T2 (en) | 1996-07-04 |
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