CH105209A

CH105209A - Device for regulating twist in continuous ring spinning machines.

Info

Publication number: CH105209A
Authority: CH
Inventors: Burkard Paul
Original assignee: Burkard Paul
Priority date: 1922-04-08
Filing date: 1923-03-23
Publication date: 1924-06-02

Description

Dispositif poor la i#egularisation de la torsion dang leg metiers ä fiter continus ä anneaux. Device poor the i#egularization of the torsion of the continuous ring-fitting looms.

Il est connu que pour obtenir une torsion reg liere ,du fit, il faut que 1e rapport entre 1e nombre de tours du curseur et la longtteiir du fit alimentc clans 1e meme temps regte konstant. En raison du retard different quo prend 1e .curseur par rapport a 1a: breche sui vant leg diffcrents chüinetres de renvi.dage, 3a vitesse angulaire varie ä. chaque instant et la torsion devient irre---euliere du moment quo la vitesse @cl'alimentation du fit par leg cylindres regte uniforme. It is known that to obtain a regular twist of the fit, the ratio between the number of turns of the slider and the length of the fit must be constant at the same time. Due to the different delay quo takes the first .cursor with respect to 1a: breach following leg diffcrents renvi.dage chüinetres, 3a angular speed varies ä. each instant and the torsion becomes irrelevant as long as the feed rate of the fit through the cylinders remains uniform.

0n a propose de regulariser ,cette torsion en fa.isant varier 1e debit des cy lindres en ,con cordance ,avec la variation des diametres de renvidage. Pour appliquer ce procede, ä. cha: quo changement de torsion, il faut non seule ment, comme ä taut inetier continu, changer la vitcsse moyenne des cylindres, mais encore ch.a.nger 1'amplitude @de la variation de cette vitesse qui est fonction de la torsion. We proposed to regularize this twist by varying the flow rate of the cylinders in accordance with the variation in the winding diameters. To apply this process, ä. each change of torsion, it is not only necessary, as at a continuous inertial state, to change the average speed of the cylinders, but also to change the amplitude @ of the variation of this speed which is a function of the torsion.

Le but quo Von s'est propose d'atteindre par 1e dispositif qui-fait 1'objet de la presente invention, est de regulariser 1a torsion en fai sant varier non plus la vitesse des cylindres 4 The object which Von has proposed to achieve by the device which is the subject of the present invention, is to regularize the torsion by not varying the speed of the cylinders 4

a.limentaires, mais 1a vitesse relative des bro ches par rapport aux cylindres d'alimentation pour chacun des cycles de variation de tlia metre de renvidage, suivant ce diametre et suivant quo 1e .chariot monte ou descend. a.limentaires, but 1a relative speed of the spindles relative to the feed cylinders for each of the cycles of variation of tlia meter winding, according to this diameter and according to quo 1e .chariot goes up or down.

0n conserve ,ainsi los avantages du cur seur et los changements de torsion ne n6ces sitent plus de regla-ge special different de ce lui dun metier coiltinu ordinaire. It thus retains the advantages of the slider and the twist changes no longer require special adjustment different from that of an ordinary coiltinu loom.

Une forme @d'execution de 1'objet de 1'in vention va eire de@crite en referen.ce au dessin sch,ematique annexe, donne ä titre d'exemple, Jans lequel leg divers organes ont ete repre sentes ä des echelles differentes pour faciliter 1'intelligenee de la description qur @comporte soulement los explications n6cessaires pour bien faire co!mprendre 1'invention aux person ries au courant de la theorze et du mecanisme des metiers ä fiter. A form of execution of the object of the invention will be described with reference to the appended schematic drawing, given by way of example, in which the various organs have been represented to scales different to facilitate 1'intelligenee of the description qur @ comprises only the necessary explanations to make understand well 1'invention to people familiar with the theorze and the mechanism of the trades to fiter.

La, fig. 1 montre une breche @d'un @continu ä anneaux; , La fig. 2 montre un mouvement diff6ren tiel avec reduoteur de vitesse pour transmet tre un mouvement variable au tambour des The, fig. 1 shows a breach of a ring continuum; , Fig. 2 shows a differential movement with speed reducer to transmit a variable movement to the drum of the

broclies, la. comman-de de ce diffirentiel par les cylindres alimentaires, dont une partie est montree plus en cletail en fig, 7, n'etant que tres sommairement representee dans rette fig. 2; La fig. 3 montre un dispositif (Factionne ment de Farbre de commande du m,-tier ap plicable avec 1e reducteur de vitesse; La fig. .1 est une vue detachee des deux cönes (fig. 2) de comm.ande du differentiel; La fig. 5 montre la constitution dune bobine; La fig. 6 montre des inoyens employes pour faire varier la :course de la courroie des cönes en rapport aveo les @diametres de ren vidage; La fig. 7 m-ontre des moyens employes pour faire varier la. vitesse tlu töne comman deur suivant que 1e chariot porte-anneaux inonte ou descend. broccoli, the. comman-of this differential by food cylinders, part of which is shown more in cletail in fig, 7, being only very briefly represented in rette fig. 2; fig. 3 shows a device (Factionne ment of the control shaft of the m, -tier ap plicable with the first speed reducer; Fig. .1 is a detached view of the two cones (fig. 2) of comm.ande of the differential; The fig Fig. 5 shows the construction of a reel; Fig. 6 shows means employed to vary the stroke of the belt of the cones in relation to the emptying diameters; Fig. 7 shows means employed to vary the speed changes depending on whether the ring-carrying carriage rises or descends.

En se referant plus specialement ä la fig. 2, 1'arbre de commande 3 est commande cl'une fa@on quelconque par engrena.ges, Corde, courroie ou moteur eleetrique direatement ac couple. Sur 1e dessin, an a. indique une pou lie 21 comme commande. Get arbre -commande ic soll tour Farbre .l du ta.mbour des broclies situe dann soll prolongement par un redu:ctelir de vitesse constitue par les pignons 5, 6, 7, B. With particular reference to FIG. 2, the control shaft 3 is controlled cl'une fa@on any by engrena.ges, rope, belt or electric motor directly coupled ac. On the 1st drawing, year a. indicates a pulley 21 as a command. Get shaft -command ic soll tower Farbre .l du ta.mbour des broclies located in soll extension by a reduction gear constituted by sprockets 5, 6, 7, B.

Le pignon 5 est cale sur Farbre 3, le pi ",Mon 8 sur Farbre 4 et les deux paires synie triques de pignons 6, 7 forrnant tete de clieval sollt portees par un carter 9 dans le quel sollt enfermes res differents pignons. The pinion 5 is wedged on the shaft 3, the pinion 8 on the shaft 4 and the two synie tric pairs of pinions 6, 7 forming the head of the gear sollt carried by a casing 9 in which sollt enclosed res different pinions.

Lorsque 1e .ca.rter est maintenu fixe, la vite.sse de 1'arbre 3 est transmise ä Farbre 4 avec une reduetion de vitess.e qui fiepend du nombre respe-etif des dents des pignons 5, 6, 7. 8, lesquels sollt determines suivant la re cluction que Fon veut admettre. When the 1st .ca.rter is held fixed, the vite.sse of the shaft 3 is transmitted to the shaft 4 with a speed reduction which depends on the respective number of teeth of the pinions 5, 6, 7. 8, which are determined according to the reduction that we want to admit.

Mais 1e üarter 9 porte lui-meme une cau ronne dentee 10 qui permet de lui communi quer un mouvement de rotation autour de Faxe commun des arbres 3 et d et Fensemble cle ce earter tournant constitue al.ors non seule ment un rPdneteur de vitesse, mais encore un mouvement differentiel. But the first starter 9 itself carries a toothed cowl 10 which allows it to be imparted a rotational movement around the common axis of the shafts 3 and d and the whole key of this rotating starter therefore constitutes not only a speed transmitter, but still a differential movement.

1Tn mouvement de rotation variable est transmis ä 1a. couronne dentA#e 10 du carter 9 ,de la faVon suivante. L'arbre 3 comm.ande dircetement Farbre 14 des cylindres alimen ta.ires 11 par les rouages @compris entre les pignons 12, 13 et la couronne dentee 10 est .commandee 'a partir de Faxe 14 des cylindres, par des Organes qui peuvent eire executi,s comme il Sera decrit plus loin en regard de fig. 7 (en fig. ? an a simplement voulu nion trer, par les Organes 15, que 1e mouvelnent est derive de 11) par les cön.es 16 et 17, la roue 18 et un train d'engrenages relient 18 ä .10. La variation de vitesse de 1a. couronne 10 en ra,pport .a.v ec celle des di,ametres de ren vidage ä cliaque .course du chariot porte anneaux est obtenue par 1e deplacement dune courroie sur les c6nes 16, 17 au moy en d'or ganes decrits plus loin. 1Tn variable rotary motion is transmitted to 1a. ring gear 10 of the housing 9, in the following way. The shaft 3 directly controls the shaft 14 of the feed cylinders 11 by the cogs comprised between the pinions 12, 13 and the ring gear 10 is controlled from Faxe 14 of the cylinders, by organs which can eire executed, s as will be described below with regard to fig. 7 (in fig.? an simply wanted nion trer, by the Organs 15, that the first mouvelnent is derived from 11) by the cön.es 16 and 17, the wheel 18 and a gear train connecting 18 to .10. The speed variation of 1a. crown 10 in ra, pport .a.v ec that of the di, amtres of ren emptying with celiac. course of the ring-carrying carriage is obtained by the first movement of a belt on the cones 16, 17 by means of organs described later.

L'emploi d'un differentiel formant redu^ teur de vitesse presente comme avanta.ge de .fa.voriser 1'a,c.couplement de Farbre de com inande directement avee un moteur electrque et dann 1e ras oü la cammande se fait par courroie, il permet, par Faugmentation de vitesse de Farbre 3, de reduire en proportion ä egalite de trava.il transmis et d'effort ton gentiel, 1e rayon de 1a. poulie motrice 21; an pourra appliquer pour la commande de Far bre 3 par un arbre premier inoteur 23, com mande lui-meme par 1a transmission ou par 1--in moteur eleetrique dircetenient accouple, In dispositif d'en.rouleur indique. sur la fig. 3, en disposant Farbre 23 dans la tetiere elle meme 5, une faible distance de 1'arbre 3. De plus, les vari.ations de v itesse que Fon peut etre amene ä faire subir ä. 1'a.rbre 3 etant pro duites par 1.e changement simultane des pou lies 21 et 22 de fa@on ä varier leur rapport tout en maintenant consta.nte la somme de leurs rayons, les variations de rayon seront toutes eiloses egale; Tailleurs, d'autant plus petites que la valeur moi-enne du rayon de la poulie 21 Sera moindre et en consequenee pourront rester compatibles avec 1a disposi tion invariable du galet tendeur 24 supporte, par exemple, par un levier ä contrepoids arti cules sur Faxe 3 de la poulie 21. The use of a differential forming a speed reducer has the advantage of favoring the coupling of the control shaft directly with an electric motor and in the first plane where the control is made by belt, it makes it possible, by increasing the speed of the shaft 3, to reduce in equal proportion the work transmitted and the effort transmitted, the radius of the shaft. driving pulley 21; an may apply for the control of Far bre 3 by a first inotor shaft 23, itself com mande by 1a transmission or by 1--in electric motor dircetenient coupled, In en.rouleur device noted. in fig. 3, by arranging the shaft 23 in the headrest itself 5, a short distance from the shaft 3. In addition, the speed variations that Fon may be brought ä to subject to. the shaft 3 being produced by the simultaneous change of the pulleys 21 and 22 so as to vary their ratio while maintaining the sum of their radii constant, the radius variations will all be equal; cutters, all the smaller as the average value of the radius of the pulley 21 will be less and consequently can remain compatible with the invariable arrangement of the tensioner roller 24 supported, for example, by a lever with counterweight articulated on Faxe 3 of pulley 21.

Les variations de vitesse du mouvement A, communiquer par Farbre des cylindres aux braches, au moyen des cönes 16, 17, sont re lativement importantes en raison du rapport relativement Brand entre las _ diametres de renvidage extremes -d'une couch.e de la bobine. Pour obtenir ces va.riations de vitesse en dis posant las c6nes -ä une certaine distance et las commandant 1'un par 1'autre par courroie, komme an 1e Fait ordinairement, il faudrait leur donner une pente trog! grande, c.e q!ii donnerait lieu ä un mauvais trava.il de la courroie ou amenerait ä las allonger ä, un Point tel qu'ils deviendraient tres encotn brants et de plus näcessiteraient de longs et rapides depl.acements de la courroie. The speed variations of the movement A, communicated by the shaft of the cylinders to the arms, by means of the cones 16, 17, are relatively large because of the relatively wide ratio between the extreme winding diameters of a layer of the reel. To obtain these speed variations by placing the cones at a certain distance and controlling them one by the other by a belt, as is usually the case, they would have to be given a steep slope! large, which would give rise to poor working of the belt or cause them to lengthen to such an extent that they would become very cumbersome and moreover would require long and rapid movements of the belt.

Dons la forme d'exäcution represeritee, las & ux cönes 16, 17 sont pressA 1'un contra Pautre par un Systeme de ressorts ou de cou trepoids et une courroie sans fin 20 de Faible longueur interposee entre eux, joue le Ale de garniture de friction assurant 1'entrainement de 1'un des G6nes par 1'autre ä une vitesse qui tlepend de la Position de la courroie. La conicite de pa.reils cönes peut säns inconve nients eire tres grande et, en @onsequence, leur longueur re!duite de telle fa@on que de Fortes v.ariations de vitesse petivent etre ob tenues ä. _Paide de fa.ibles deplacements de 1a .ourroie 20 comma.ndee par las tiges 26 du la vier 27 (fig. 6) ainsi qu'il Sera explique plus loin. In the embodiment shown, the two cones 16, 17 are pressed against each other by a system of springs or weighted necks and an endless belt 20 of short length interposed between them. friction ensuring the drive of one of the genes by the other at a speed which depends on the position of the belt. The conicity of such cones can, without any drawbacks, be very great and, as a result, their length reduced in such a way that large variations in speed can be obtained. _Paide of fa.ibles displacements of 1a .ourroie 20 comma.ndee by las rods 26 of the vier 27 (fig. 6) as will be explained later.

La longueur du deplacement de la cour roie doit du raste vagier au cours de la for m.ation de 1a bobine, c.ar la. variation des dia: metres de renvidage est differente da.ns las Couches suc@cessives _ qui 1a. constituent. The length of the displacement of the royal court must vary during the formation of the coil, c.ar la. variation of the diameters of rewinding is different in the successive layers _ which 1a. constitute.

Une bobin.e de @continu est en effet consti tuee comme Findique la fi.g. 5. La Premiere couche est renvidee dircctement Sur la brache, alle est donc cylindrique et de diametre mini mum xo, par consequent, la vitesse du mou vement additionnel transmis au differential par las ebnes, doit rester constante et maxima de Sorte que pour la Premiere course du cha riot la courroie .des c6nes doit rester constam ment en a (fig. 4) Sur 1e grarnd diametre du cöne commandeur 16 et le Petit diametre du A bobin.e of @continu is in fact constituted as shown in fi.g. 5. The first layer is rolled directly onto the brace, the track is therefore cylindrical and of minimum diameter xo, consequently, the speed of the additional movement transmitted to the differential by the ebony must remain constant and maximum so that for the first travel of the carriage the belt of the cones must remain constantly at a (fig. 4) On the 1st large diameter of the control cone 16 and the small diameter of the

cäne comma.nd4 17. Pour las Couches suivan tes, 1e diamUre 5, la Base augmente progres ,sivement et deviant: x,, x" ... x , 1e diametre nu sommet restant x". Donc ä mesure de la formation de la bobine et jusqu'au moment oü 1e diametre ä la Base atteint 1e diamUre cl du corps, la course .de la courroie doit aug menter progressivement en partant toujours de a (fig. 4). Elle deviendra ainsi successive ment a, a b,, a b2 . . . a b" . Le diamUre d de la bobine etant atteint, 1e Fond est forme et las Couches suivantes constituant 1e Corps sont alors toutes egales; pour toutes Ges üou ches la course de la courroie doit conserver la meme amplitude a b,,. Ces conditions de variation de course de 1.a courroie sont r6ali s6es, si ce n'est de fa.gon rigoureuse, au moins avec un degre d'approximation suffisante de la fagon suivante repr@sentee-fig. 6. cane comma.nd4 17. For the following Layers, 1st diameter 5, the Base increases progressively and becomes: x,, x" ... x , the 1st bare vertex remaining diameter x". Therefore, as the coil is formed and until the diameter at the Base reaches the diameter c1 of the body, the travel of the belt must gradually increase, always starting from a (fig. 4). It will thus successively become a, a b,, a b2 . . . a b" . The diameter d of the coil having been reached, the Bottom is formed and the following Layers constituting the Body are then all equal; for all Geas where the travel of the belt must maintain the same amplitude a b,, These belt stroke variation conditions are achieved, if not rigorously, at least with a sufficient degree of approximation as follows shown in Fig. 6.

La .commantle du guide courroie est gref fee Sur une des dispositions usuelles de com mande de,chariot porte-anneaux 38, par exem plo la suivante: Le lavier 28 mobile autour de son axe 29 Porte un galet 30 autour duquel est enroulee une chaine 31 Passant Sur un galet de ren voi 32 et attachee ä la. poulie 33. A celle-ei est fixee une autre chaine, 34 relie, d'autre Part, ä une tringle 35 mobile horizontalement et qui lange 1e metier Jans taute sa longueur. En differents points de rette tringle sont fixees des ch@aines 36 Passant Sur des galets 37 .et qui par leur autre extremite sont rat tach6es aux differents monta.nts verticaux supportant la plate bancle po:rte-anneaux 38. The control of the belt guide is grafted on one of the usual control arrangements for the ring carrier carriage 38, for example the following: The lavier 28 movable around its axis 29 Carries a roller 30 around which a chain is wound 31 Passing On a deflection roller 32 and attached to the. pulley 33. To this is fixed another chain 34 connected, on the other hand, to a rod 35 movable horizontally and which lange Jans first loom all its length. At different points of the rod rette are fixed chains 36 passing over rollers 37, and which by their other end are attached to the various vertical uprights supporting the flat ring-bearing bench 38.

Par 1'effet du poids du chariot 1e lavier 28 est constamment maintenu en contact avec 1'excentrique 39 de telle Sorte que, pour chaque tour de ce dernier, 1e chariot effec tue une oscillation complete dopt Fallure de pend de la forme de Fexcentrique. Mais ä chaque nouvelle course du chariot 1e galet 30 tourne Sur son axe dune fraction de tour determinee saus Faction d'-un mecanisme non figure Sur 1e dessin et enroule 1a. chaine 31 de Sorte que 1e point de depart des courses successives du chariot s'eleve progressive ment. C'cst ainsi que Von arrive ä produire By the effect of the weight of the carriage, the lever 28 is constantly kept in contact with the eccentric 39 so that, for each revolution of the latter, the carriage performs a complete oscillation in accordance with the shape of the eccentric. But at each new stroke of the carriage, the roller 30 rotates on its axis by a determined fraction of a turn without the action of a mechanism not shown in the drawing and winds it up. chain 31 so that the first starting point of the successive races of the carriage rises progressively. This is how Von manages to produce

]es bobines cylindro-coniques telles que celle de la fig. 5. ] cylindro-conical coils such as that of FIG. 5.

Nattlrcllement la poulie 33 prend 6gale ment. autour de son axe. un mouv ement os cillant dont 1e point de depart Progresse dans 1e sens de 1a, fleche f ä ahaque nou velle course. Naturally pulley 33 also takes hold. around its axis. a blinking bone movement whose starting point Progresses in the direction of the arrow f at each new stroke.

Ceci pose. pour donner au lev ier 27 qui par les tiges 26 produit 1e deplacement de la courroie chs cenes 16, 17, 1e mouvement variable coneordant avec celui du cliariot ob teiiu comme explique ei-dessus, le dispositif represente comporte les moyens suivants: A la. branche 40 du levier 27 est suspe:i due une bielle 41, munie ä sa Partie inf6 rieure dune coulisse 42 dann laquelle est pris un doigt 43 fixe Sur le levier 28: d'au tre pa.rt, 1e levier 2 7 est sollicite vers la I.rrauclie par un poids 44 agissant Sur lui par 1'intermediairc: de 1a. chaine 45 et sa course u.-;t limitee de ce cäte par un exeentrique 46, endant tonte la formation du fond de la bobine. This poses. to give the lev ier 27 which by the rods 26 produces the first displacement of the belt chs cenes 16, 17, the first variable movement coneordant with that of the cliariot ob teiiu as explained above, the device represented comprises the following means: At the. branch 40 of the lever 27 is suspended i due a connecting rod 41, provided at its lower part with a slide 42 in which is taken a finger 43 fixed on the lever 28: on the other hand, the first lever 27 is requested towards the I.rrauclie by a weight 44 acting on him through 1'intermediairc: 1a. chain 45 and its stroke u.-; t limited on this side by an eccentric 46, while mowing the formation of the bottom of the coil.

cet effet, l'excentrique 46 est trace sui v:Int des ravons decroissants et est regle de fii.Qon ä. prendre rontact avcc lc galet 47 par son ra.yon maximum an debut de la. levee, de telle Sorte que 1e levier 9-7 est maintenu ü sa. Position extreme de droite et reste im mobile dann cettc Position, 1e doigt 43 se de plac,ant simplement dann 1a. coulisse 4.2 de la hielle sans entrainer cette derniere Jans son n1 auvement. For this purpose, the eccentric 46 is traced according to v: Int of decreasing ravones and is ruled by fii.Qon ä. take rontact avcc lc pebble 47 by its maximum ra.yon year beginning of the. raised, so that lever 9-7 is held at its position. Extreme right position and remains immobile in this Position, the first finger 43 is placed, simply in 1a. slide 4.2 of the helle without causing this last Jans its n1 auvement.

Mais ä mesure de 1a. formation du fond, 1'excentrique -t6 tourne peu ä peu Sur son aXe ä chadu:@ nouvelle course du cliariot de l'avon ä. prendre contact avec 1e galet 4 7 Sur dcs ravons de Plus en plus petits et perniet aiinsi ä la bielle y et au levier `? 7 de parti ciper au mouvement du doig-t 43 pair des c@iut@scs qui croitront progressiveinent de zero pour la Premiere coiiclie 'a hur valeur Maxima correspondant ä la. lom@meur des cönes pour la derniere couche du` fond, ces vourses avant tonte' comme point de depart t'extremite drohe des eönes. But as 1a. formation of the bottom, the eccentric -t6 turns little by little On its axis ä chadu:@ new stroke of the avon cliariot ä. make contact with the 1st roller 4 7 On dcs rons Smaller and smaller and thus allow the connecting rod y and the lever `? 7 to participate in the movement of the finger t 43 pairs of c@iut@scs which will grow progressively from zero for the First time to the Maxima value corresponding to the. the size of the cones for the last layer of the bottom, these vorses before mowing as a starting point at the right extremity of the aeons.

La commande de la rotation de l'excen trique 46 est Prise Sur Faxe 48 de la pou- The command for the rotation of the eccentric 46 is taken from the fax 48 of the

lie 33 qui, ainsi qu'on 1'a. vu plus haut, est animee d'un mouvement oscillant ä point de depart variable. Ce motivement est commu niqu6 ä un doigt -19 cale Sur cet axe et qui vient appuyer ä la. fin de chacune de ces oscillations Sur un seeteur dente 50 en Prise av ec un pignon 51 cale Sur 1e moy eu de 1'excentrique -16. Enfin un rochet 52, soli daire egalement de 1'excentrique est en Prise avec un cliquet fixe 53 qui empeche 1e re tour en arriere de 1'excentrique et du secteur. binds 33 which, as has been shown. seen above, is driven by an oscillating movement with a variable starting point. This motivation is communicated to a finger -19 held on this axis and which presses there. end of each of these oscillations On a toothed seetor 50 in Engagement with a pinion 51 wedged On the first moy had of the eccentric -16. Finally, a ratchet 52, also integral with the eccentric is engaged with a fixed pawl 53 which prevents the eccentric and the sector from being turned backwards.

A. chaque nouvelle course du chariot 1e secteur 50 et 1'excentrique tournent dope dune quantite correspondant ä 1'avancem-nt du point de depart de cha.que oseillation de la poulie 33. A. each new stroke of the carriage the first sector 50 and the eccentric rotate doped by an amount corresponding to the advancement of the starting point of each movement of the pulley 33.

L'engreiiement du secteur 50 avec le pi gnon 51 est regle de favon que 1e sccleur degrene au moment oit 1e fond de la bobine est aclieve, de Sorte que. ä. partir de ce mo ment oh 1e guide courroie 27 a_ atteint sa. course maxiina. 1'excentrique 46 reste immo bile. The meshing of the sector 50 with the sprocket 51 is adjusted so that the sccleur degenerates when the bottom of the coil is raised, so that. To. from this moment oh the first belt guide 27 has reached its. maxiina race. the eccentric 46 remains immobile.

La course du g-ciide cottrroie reste alors constante pour la formation du corps de la bobine. The stroke of the cottrroie g-ciide then remains constant for the formation of the body of the coil.

Outre lcs variations de diametre de ren vidage de la bobine il est-, une autre ca.use encore d'irre-ularite de tor:sion qui est chic au mouvement alternatif de montee et de des cente du clmriot. In addition to variations in the diameter of the emptying of the coil, there is another ca.use of irre-ularity of torsion which is chic to the alternating movement of ascent and descent of the clmriot.

En effet lorsque 1e chariot 38 (fi < g. 1) s'elive en se rapProchant des cylindres 11, il dc#tendrait 1e fix compris entre 1e cursenr et 1e cylindre dune longueur egale ä sa course, si ce fix n'etait i-envicle ä mesure p,:r 1e curseur. Il en resulte que la longueur du fix renvicle -t la montee du chariot n'est pas seulement celle alimentee par les cvlindres, Mais qu clle est augmentee de la. course as cendante du clia.i@iot: qu'en consecluer:ce 1e cur seur se retarde d'autant plus Sur la brocke et que pour lui conserver la vitesse constante necessa.ire A. 1a. regularisation de la torsion, il faut activer 1a. vitesse de hat broche ä 1a. montee du chariot. L'inverse a lieu lorsque 1e chariot descend, il a. tendance ä tirer Sur 1e fix et de ce fait provoque une augmenta- tion de vitesse du cnrsenr et un manque ä renvider. Pendant cette descente il faut donc ralentir 1e mouvement de la broche. In fact, when the first carriage 38 (fi <g. 1) rises while approaching the cylinders 11, it would stretch the first fix between the first slider and the first cylinder by a length equal to its stroke, if this fix were not i -envicle to measure p,:r 1st cursor. It follows that the length of the fixed renvicle -t the rise of the carriage is not only that supplied by the cvlindres, But that clle is increased from there. ascending race of the clia.i@iot: what does it conseclue: this 1st cur sor is delayed all the more On the brocke and that to preserve the constant speed necessa.ire A. 1a. regularization of the torsion, it is necessary to activate 1a. spindle hat speed at 1a. rise of the carriage. The reverse takes place when the 1st carriage descends, it a. tends to pull on the fix and thus causes an increase in the speed of the cnrsenr and a lack of winding. During this descent it is therefore necessary to slow down the movement of the spindle.

A c-jt effet, Jans la forme d'execution en- visagee, deux rapports d'engrenage 61, 62 et 63, 64 sont intercales comme Findique la fig. 7, dans la commande du,differentiel par les cylindres; 1e Premier 61, 62 communi- quant une vitesse plus grande que lautre au töne superieur, entre en jeu Pendant la montee du chariot et Fautre 63, 64 Pendant la descente. To c-jt effect, Jans the form of execution envisaged, two gear ratios 61, 62 and 63, 64 are inserted as shown in FIG. 7, in the control of the differential by the cylinders; The first 61, 62 communicating a greater speed than the other to the upper tone, comes into play during the ascent of the carriage and the other 63, 64 during the descent.

Le pignon 62 est solidaire de la Partie mäle 65 dun maachon de friction dont 1a. Partie femelle est constituee par 1e ebne 16 lui-meme et dont 1'embrayage est produit par un mecanisme quelconque agissant Pendant toute la montee du chariot sur la. fourche 67. The pinion 62 is integral with the male part 65 of a friction maachon including 1a. Female part is constituted by the 1st ebony 16 itself and whose clutch is produced by any mechanism acting during the entire rise of the carriage on the. fork 67.

Quant au pignon 61, il Porte un ou plu- sieurs eliquets 68 qui sont en Prise avec une denture ä rochet 69 dont est munie inte- rieurement 1'extremite du ebne 16. As for the pinion 61, it carries one or more elicets 68 which engage with a ratchet toothing 69 with which the end of the shaft 16 is fitted internally.

L'embrayage de 1a friction produisant 1'entrainement ä grande vitesse du ebne, les cliquets 68 patinent sur 1a. denture 69 pen- da.nt la montee du chariot. Since the friction clutch produces the high speed drive of the shaft, the pawls 68 slip on the clutch. toothing 69 during the ascent of the carriage.

Au contra.ire Pendant la descente, la. fric- tion etant clebraye.-, la commande du ebne est assuree ä petite vitesse par 1'engrene- ment de Ges cliquets. Au contra.ire During the descent, the. friction being clebraye.-, the control of the ebne is ensured at low speed by the engagement of Ges pawls.

0n a c1ecrit une forme d'execution du dispositif realisant 1e but v ise, mais il doit etre entendu qu'on peut employer pour com- mander 1e differentiel, d'autres combinai- sons mecaniques pouvant remplir les memes fonctions sann sortir des limites de Finven- tion. Par exemple, an pourrait employer deux cönes ss commandant par courroie au lieu des cönes 16, 17 avec courroie 20. Au lieu d'un differentiel reducteur de vitesse, an pourrait employer un differentiel ordinaire, si an renonce aux avanta.ges du reducteur de vitesse, de meme 1a, transmission par cour- roie avee. galet enrouleur pourrait eire rem- placee par tout autre mode de transmission approprie. We have written a form of execution of the device achieving the intended purpose, but it must be understood that we can use to control the differential, other mechanical combinations which can fulfill the same functions without going beyond the limits of invention. For example, an could employ two belt-driven ss cones instead of cones 16, 17 with belt 20. Instead of a speed-reducing differential, an could employ an ordinary differential, if an foregoes the advantages of the speed reducer. speed, likewise 1a, transmission by belt with. idler roller could be replaced by any other suitable mode of transmission.

Enfin, an pourrait remplacer fig. 3 les poulies 22 et 21 par des Anes de fa,on que la vitesse voulue de f'arbre 8 soit obtenne en reglant simplement la Position de leur courroie sur des diametres conjugiies de rap- port convenable. Cette vitesse pouvant du reste soit etre conservee @constante penda.nt toute la formation de la bobine, soit eire variee au cours de cette formation en vue, suivant un procede connu, de reduire les ecarts de tension que subit 1e fil lorsqu'il est renvide sur des diametres variables de la bobine. Finally, an could replace fig. 3 the pulleys 22 and 21 by donkeys so that the desired speed of the shaft 8 is obtained by simply adjusting the position of their belt on suitable ratio conjugate diameters. This speed can moreover either be kept constant during the entire formation of the coil, or be varied during this formation with a view, according to a known process, to reduce the differences in tension that the wire undergoes when it is winds on variable diameters of the reel.

Dans ce dernier Gas, les variationss de vi- tesse periodiques necessaires de Farbre 3 sont obtenues ä Faide dun mecanisme agissant sur 1e galet tendeur 24 muni de rebords et sur sa courroie, pour chaque tour de l'excen- trique 39 du chariot, dune fagon analogue äb Gelle du mecanisme deerit qui a pour objet de produire 1e deplacement de la courroie 20 des cönes 16, 17. In this last Gas, the necessary periodic speed variations of the shaft 3 are obtained by means of a mechanism acting on the tensioner roller 24 provided with flanges and on its belt, for each revolution of the eccentric 39 of the carriage, in a fashion analogous to Gelle of the deerit mechanism which has the object of producing the displacement of the belt 20 of the cones 16, 17.

Claims

CLAIM Apparatus for regulating the twist in continuous spinning machines to be mentioned, characterized in that the spindles of the bobbins are actuated with the aid of a controlled clifferential movement to vary in each of the cycles of variation of winding diameter of the reel, according to this diameter and according to whether the carriage goes up or down, the speed of the spindles with respect to the speed of the feed cylinders, so as to maintain substantially uniform the speed of the cursor with respect to the gel of the cylinders, during the entire formation of the coil. SUB-CLAIMS 1 Device according to claim, in which the drum of the spindles is actuated by means of the differential movement which transmits the sum of two speeds adopted one in constant ratio with the face of the motor shaft and the other of which taken from the food cylinders, is varied for each cycle of diameter variation of the reel, according to this diameter and according to whether the carriage goes up or down.

`? Device according to claim 1a and sub-claim 1, in lequr#1 1a. com mande of the differential taken On the cylin dres aiim: # ntaires, coniporte as means of variation of speed, a pair of cones dopt 1'un command 1'autre by EndtermE diaire dune déplaQable belt. 3 Device according to claim and. sub-claim 1, in which the differential forms a reducer of the speed transmitted from the motor shaft to the drum shaft. 4 Next device 1a. Claim and sub-claims 1 and 2, in which the dragging of the two cones, one by one, is obtained by the interposition of a movable king court playing the friction lining Ale. 5 Device following the reven.dieation and the sub-claims 1, 2 and 4, dann leqtiel the first displacement of the. belt during the formation of the bottom and the body of the reel is carried out by an angled belt guide lever, h. Fune from the branches of which is suspended a connecting rod provided with ä. sm lower part of a slide engages a fixed control finger on the 1st control lever

up and down movements of the ring-holder eliariot, this lever being urged in the opposite direction by a weight. and its eourse being limited on this side by an ezeentric path following increasing radii and controlled, during the Formation of the Bottom, by the niechanism producing 1o progressive upward movement of the cliariot. under-reveri, cations 1., 2, 4 and 5, in which the control of the differential piise On the food cylinders, comprises, as means for increasing, respectively decreasing the speed of the broehes, depending on whether the 1st cha .riot goes up or down, two gear trains, gr-s intercalated between the food cylinders and the first cone actuated by them, ei, one of these tra.ins, communicating a speed more Brande than the other to said cone , coming into play during the ascent of the carriage and: the other during the descent, so that the control of the wheels is carried out at different speeds ä. the descent of the carriage.