EP0050088A1 - Fachbildungsvorrichtung mit Scheibenantrieb - Google Patents

Fachbildungsvorrichtung mit Scheibenantrieb Download PDF

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Publication number
EP0050088A1
EP0050088A1 EP81420149A EP81420149A EP0050088A1 EP 0050088 A1 EP0050088 A1 EP 0050088A1 EP 81420149 A EP81420149 A EP 81420149A EP 81420149 A EP81420149 A EP 81420149A EP 0050088 A1 EP0050088 A1 EP 0050088A1
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EP
European Patent Office
Prior art keywords
pulley
depression
shaft
rotating member
funicular
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.)
Granted
Application number
EP81420149A
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English (en)
French (fr)
Other versions
EP0050088B1 (de
Inventor
Guy Decuq
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cessione Staubli - Verdol Ets
Original Assignee
Verdol SA
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Publication date
Application filed by Verdol SA filed Critical Verdol SA
Publication of EP0050088A1 publication Critical patent/EP0050088A1/de
Application granted granted Critical
Publication of EP0050088B1 publication Critical patent/EP0050088B1/de
Expired legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C3/00—Jacquards
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C1/00—Dobbies
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
    • D03C13/00—Shedding mechanisms not otherwise provided for

Definitions

  • the invention aims to make it possible to perform a mechanical with pulley for actuating ropes or heddles in which the means provided for selectively driving the pulleys in rotation in one direction or the other are particularly simple, inexpensive and very compact.
  • pulleys are also used to control the heddles or ropes of the harness, each of which is mounted on at least one rotating member, but an alternating angular movement of less than 360 ° is imparted thereto. and there is provided between this member and the corresponding pulley connecting means capable of being selectively put into action and out of action, while associating with the pulley considered a device allowing the actuation of the corresponding connecting means during any desired mechanical cycle.
  • the rotating member is constituted by a shaft common to at least a certain number of the mechanical pulleys, while the connecting means associated with each pulley comprise a first depression hollowed out in the periphery of the shaft, a second provided in the wall of the pulley bore and a rolling element capable of being housed in the retracted position in the depression of this pulley, things being arranged in such a way that in the rest position of the latter (low position of the arm), the rolling element remains in the depression of the pulley which is not then driven by the shaft, while when the first and the second depression pass opposite one another during rotation of the shaft in the direction corresponding to the lifting of the arm, an actuating finger passing through a radial perforation of the pulley can push the rolling element into the depression of the shaft, the latter and that of the pulley being profiled in such a way that there is then jamming and that the pulley is driven by the shaft during a mechanical operating cycle at the end of which said element falls back
  • the actuating finger and the radial perforation of the pulley through which it acts on the rolling element are profiled so that it is pushed back, against a suitable spring when the pulley begins to be driven by the shaft.
  • the pulley is made to have an external recess arranged in such a way that in the raised position of the heald it is opposite the actuating finger, so that if the heald must remain at said position, the finger engages therein and retains the pulley, the depressions which cooperate with the rolling element being profiled so that during the return movement of the shaft, this element is automatically pushed back into the erased position in the pulley depression.
  • each pulley no longer one, but two coaxial rotating members driven in alternating angular motion of the same amplitude and the same frequency with a phase shift of half a period and the connecting means are provided so that '' they make it possible to connect the pulley to that of these two organs which is substantially at the same dead center as it, i.e. at bottom dead center, if the beam is to be raised, or at contrary to the top dead center, if it is a question of lowering it.
  • the rotating members can be constituted by two rings mounted on the same shaft.
  • One of these rings can be wedged on the shaft suitably driven in angular reciprocation, while the other, provided idle, is provided with a lateral toothing meshing with an oscillating pinion in phase position with the 'tree.
  • the two rings can be loose on the fixed shaft provided and each have a toothing driven by an individual pinion.
  • the connecting means advantageously comprise on the one hand a depression on the periphery of each ring acting as a rotating member and a corresponding depression in the wall of the bore of the pulley, this third depression being sufficiently wide in the axial direction to overlap one or the other of the first two, on the other hand a ball capable of cooperating with these depressions, the depression of the pulley opening outwards by a radial perforation in which a finger can sink clean actuator to act on the ball.
  • each ring is preferably made to have a sort of lateral bevel room provided so as to be in line with the depression of the pulley when the ball is put into action.
  • FIG. 1 a shaft driven by an alternating rotational movement.
  • the amplitude of this movement is 150 °, it being understood that this is not obligatory.
  • the means used to drive the shaft 1 have not been shown, but they are easy to imagine.
  • a funicular member 3 preferably constituted by a ribbon (as will be seen below) to which is attached a heald 4 of the loom considered, this heald being biased downwards by a return spring 5.
  • Each stringer carries an eyelet 6 crossed by a warp thread 7. Only two pulleys have been shown, but there is obviously a number equal to that of the warp threads or groups of warp threads to be controlled, said pulleys being able, moreover, to be distributed over several shafts 1 arranged side by side, if desired.
  • Each pulley 2 carries a radial cleat 8 (see also for example fig. 4) which, when the warp thread 7 is in the lowered position (thread 7 on the right in fig. 1) abuts against a common cross member 9 which s extends parallel to the shaft 1 and which limits the contraction of the corresponding return spring 5.
  • the angular stroke for lifting the shaft 1 will be that which takes place in the direction of the arrow 10 and by which the pulley 2 in question is driven with the shaft by lifting the beam 4 which is associated with it. .
  • shaft 1 a top dead center position (at the end of the 150 ° following arrow 10) and a bottom dead center position corresponding to the end of the 150 ° rotation in opposite direction to the said arrow.
  • This same terminology can also apply to pulleys, as will be better understood below.
  • each pulley 2 In the periphery of the shaft 1 there is provided at the right of each pulley 2 a depression la, which when the tree is in bottom dead center, is located in the lower zone thereof, slightly beyond the position represented in the fig. 2 in the return direction (opposite direction to that of arrow 10), know more exactly as indicated in section in fig. 4.
  • the pulley 2 itself also assumed to be at the bottom position of the heddle to which it corresponds (bottom dead center of this pulley) has in its internal bore, by which it is mounted on the shaft 1, a depression 2a, but which continues towards the outside by a through perforation 2b. As shown in fig.
  • the depressions la and 2a are profiled so as to comprise upstream relative to the arrow 10 an inclined plane Ib, respectively 2c, while downstream the first la terminates in a wall lc with a profile in quarter circle and the second 2a by a straight wall 2d oriented approximately radially.
  • the depressions la and 2a cooperate with a rolling element constituted by a ball 11.
  • the respective dimensions are such that this ball can be housed in the erased position in the depression 2a of the pulley, engaging if necessary in part in the perforation 2b, but on the contrary the depression la of the shaft can only close it more or less half, the other half protruding radially in the depression 2a.
  • each pulley 2 there is also provided below each pulley 2 an actuating finger 12 suitable for engaging in the perforation 2b to repel the ball 11.
  • This finger has a bevel 12a on its downstream edge relative to the arrow 10. It is carried by an arm 13 articulated at 14 (fig. 4) to the mechanical frame and it is urged towards the pulley 2 by a spring i5.
  • the arm 13 is made of iron or mild steel so as to be able to cooperate with an electromagnet 16 capable of maintaining it in the lowered position against the reaction of the spring 15.
  • the ball thus arranged forms a sort of pawl or wedge wedged between the curved downstream wall Ib of the depression la and the upstream inclined plane 2c of the depression 2a.
  • the pulley 2 is therefore driven by the shaft 1 in the forward movement or lifts it (arrow 10).
  • the depression 1a of the shaft 1 can be produced in the form of a profiled longitudinal groove, common to all the pulleys 2, which simplifies the machining. Furthermore, instead of a ball 11, it is equally possible to envisage using a roller.
  • depression 1a of the shaft can be produced in the form of a profiled longitudinal groove and the ball 11 can be replaced by a roller.
  • the pin 17 which must remain oriented towards the pulley, requires carrying out the funicular member 3 in the form of a ribbon or equivalent.
  • the electromagnet 16 does not have to command the lowering of the arm 13 except at the time of the initial selection.
  • fig. 16 and the sections of fig. 17 and 18 show an embodiment of the invention specific to the implementation of the double lift system.
  • the pulley 2 no longer rests on a single rotating member (which in the two previous embodiments was constituted by the shaft 1), but on two members produced under the in the form of rings 18 and 19 juxtaposed on the shaft l as shown in phantom in fig. 16 for clarity of the drawing), which is again animated by an alternating angular movement.
  • the ring 18 is wedged on this shaft, as indicated by the key 20 in FIG.
  • the two rings 18 and 19 are otherwise identical with regard to their details, but they are turned opposite one another. In other words we can consider that if we disregard the keyway of the ring 18 and the wheel 21 associated with the ring 19, each of them represents the image of the other view in a mirror.
  • the pulley 2 has an internal depression 2a, but provided sufficiently wide to extend over the two rings 18 and 19, as shown in FIG. 17. This depression again opens out through the perforation 2b.
  • Each ring has, like the shaft 1 in FIG. 2 for example, a depression 18a, 19a suitably shaped to receive about half of the ball 11 (inclined plane 18b, curved wall 18c).
  • these depressions lead to that of the lateral faces of each ring which faces the other.
  • each ring is hollowed out on its periphery with a local bevel 18d, 19d inclined transversely towards the other ring, respectively 19, 18, this bevel being arranged at a point such that it comes opposite the depression of this other ring when said depression is opposite that 2a of the pulley 2 assumed at top dead center or bottom dead center.
  • the depression 18a of the ring 18 has slightly exceeded that 2a of the pulley 2 in the direction of the return movement (therefore opposite to that indicated by the arrow 10) and we see that the bevel 19d of the ring 19 is located substantially at the same angular distance from the depression 2a as the depression 18a, but on the other side of this depression 2a, so that when the two rings will move in opposite directions, the ring 18 then rotating in the direction of arrow 10 (lift stroke), the bevel 19d and the depression 18a will come at the same time opposite the depression 2a of the pulley 2.
  • the embodiment of fig. 16 to 28 includes the actuating finger 12, as well as the open step groove 2e and the pin 17 (as in fig. 12).
  • the ring 18 will now carry out its forward or lift stroke in the direction of the arrow 10, the ring 19 rotating in the opposite direction. If the finger 12 is lowered, nothing happens, the ribbon 3 remains “low”. If, on the contrary, this finger is lifted by the corresponding spring (spring 15 in fig. 4), the ball is applied against the two rings, as shown in fig. 10 and 20, the first being a partial plan view below, the pulley supposed to be removed to allow the rings to be seen and the second a detail section through an axial plane passing through the center of the ball 11.
  • the depression 18a of the ring 18 as well as the bevel 19d of the ring 19 appear progressively above the ball 11 (position in FIGS. 21 and 22).
  • the ball engages in it, but the bevel tends to push it laterally towards the ring 18 so that it penetrates more and more into the depression 18a, as shown in FIG. 23 and 24.
  • the ball 11 is entirely housed in the latter (FIGS. 25 and 26) thus constituting a pawl or key between the ring 18 and the pulley 2, which is trained in the lift stroke.
  • the pulley 2 will go back (return stroke) and so on. If, on the contrary, the finger 12 remains biased by its spring, it engages in the open pitch groove 2e of the pulley and retains it in the raised position of the corresponding heald (or if one prefers ribbon 3 to which this heald is attached).
  • Fig. 31 shows another variant in which the rings 18 are no longer keyed onto the shaft 1, which can be fixed, but have toothed wheels 25 engaged with pinions 26 fixed on another secondary shaft 27. It is understood that this does not changes nothing in operation. In this figure we assumed that we had adopted the dual alternation 19, 19, 18, 18, etc ..., the two adjacent rings 19 or 18 can be made in one piece, but this is obviously nothing obligatory.
  • any secondary shaft is dispensed with by making mechanically comprise at least two ring-carrying shafts such as 1 arranged side by side, parallel to one another.
  • a toothed wheel such as 21 is associated with all the rings 18 and 19 of the two shafts and it is arranged so that that of a ring 18 of one shaft meshes with that of a ring 19 of the other. It is easy to see that if the two shafts are driven back and forth synchronously, on each of them the idler rings 19 oscillate in the opposite direction to the set rings 18. It is thus possible to establish a mechanical multiple ring shafts of simplified construction.
  • Mechanics are sometimes required to ensure not only the lifting of some of the warp threads, but also the lowering of others (so-called mechanical lifting and lowering). Such operation can be easily obtained in the context of the present invention by simply oscillating the stop 9. If we consider the case of a pulley 2 which must not be driven by the shaft 1 and for which therefore the corresponding electromagnet 16 is excited (by referring for example to fig. 4), it is understood that if during the new cycle the stop 9 rotates around the axis of the shaft 1 in the opposite direction to the needles d 'a watch, the arm attached to the ribbon 3 will descend while those associated with the pulleys selected with the lift will go up. It is of course necessary to choose the angle of rotation of the pulleys to the lift so as to leave a sufficient angular range for the downward end of the upper end of the ribbon 3 to remain at least tangent to the pulley 2.
  • the diameter of the pulleys and of the shaft can be arbitrary.
  • the shaft and the pulleys becoming linear organs.
  • the connecting member is constituted by a ball, a roller or the like, it could equally well be made in another form, in particular in that of a loop established at the end an elastic blade fixed in a shallow recess made on the periphery of the shaft 1, this loop being urged by the blade in the centrifugal direction.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Toys (AREA)
  • Looms (AREA)
EP81420149A 1980-10-15 1981-10-12 Fachbildungsvorrichtung mit Scheibenantrieb Expired EP0050088B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8022421 1980-10-15
FR8022421A FR2491961A1 (fr) 1980-10-15 1980-10-15 Mecanique d'armure a commande par poulies

Publications (2)

Publication Number Publication Date
EP0050088A1 true EP0050088A1 (de) 1982-04-21
EP0050088B1 EP0050088B1 (de) 1984-07-11

Family

ID=9247108

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81420149A Expired EP0050088B1 (de) 1980-10-15 1981-10-12 Fachbildungsvorrichtung mit Scheibenantrieb

Country Status (6)

Country Link
US (1) US4433704A (de)
EP (1) EP0050088B1 (de)
JP (1) JPS5795333A (de)
DE (1) DE3164752D1 (de)
ES (1) ES8207242A1 (de)
FR (1) FR2491961A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234321A1 (de) * 1986-01-31 1987-09-02 FIMTESSILE FABBRICA ITALIANA MACCHINARIO TESSILE S.p.A. Mechanismus für die Steuerung der Oszillationen von Kurbelstangen, die verbunden sind mit den Webschäften in einer Rotationsschaftmaschine
WO1989003441A1 (en) * 1987-10-10 1989-04-20 Eltex Of Sweden Ab Warp thread control
EP0668381A1 (de) * 1994-01-26 1995-08-23 Danilo Jaksic Jacquardmaschine
FR2772796A1 (fr) * 1997-12-24 1999-06-25 Staubli Sa Ets Procede de montage d'un element funiculaire, dispositif de formation de la foule et metier a tisser

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH671782A5 (de) * 1987-01-05 1989-09-29 Ernst Kleiner
FR2724948B1 (fr) * 1994-09-27 1996-12-27 Staubli Sa Ets Mecanisme jacquard du type a courroies
FR2772793B1 (fr) * 1997-12-24 2000-01-28 Staubli Sa Ets Dispositif de blocage d'un actionneur rotatif electrique pour la formation de la foule sur un metier a tisser, mecanique d'armure et metier a tisser
BE1016669A3 (nl) * 2005-07-05 2007-04-03 Wiele Michel Van De Nv Inrichting voor het aandrijven van een weefraam in een weefmachine, en een weefmachine voorzien van een of meerdere dergelijke inrichtingen.
FR2990958B1 (fr) 2012-05-24 2014-06-13 Staubli Sa Ets Dispositif de formation de la foule et metier a tisser equipe d'un tel dispositif
CN106702565B (zh) * 2016-12-09 2017-12-19 江苏宋和宋智能科技有限公司 一种纺机用电子综丝提花装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1305638A (fr) * 1961-09-15 1962-10-05 Staubli Geb & Co Dispositif de formation de la foule pour métiers à tisser
FR2398229A1 (fr) * 1977-07-21 1979-02-16 Sulzer Ag Embrayage de declenchement du deplacement d'un element d'une machine textile
FR2457915A1 (fr) * 1979-05-31 1980-12-26 Grosse Webereimaschinen Gmbh Ratiere d'armures pour metiers automatiques

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904367C3 (de) * 1979-02-06 1982-01-07 Karl Mayer Textil-Maschinen-Fabrik Gmbh, 6053 Obertshausen Elektromagnetisch arbeitende Jacqard-Steuervorrichtung
JPS55157040A (en) * 1979-05-28 1980-12-06 Fujitsu Ltd Failure recognition method for information processor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1305638A (fr) * 1961-09-15 1962-10-05 Staubli Geb & Co Dispositif de formation de la foule pour métiers à tisser
FR2398229A1 (fr) * 1977-07-21 1979-02-16 Sulzer Ag Embrayage de declenchement du deplacement d'un element d'une machine textile
FR2457915A1 (fr) * 1979-05-31 1980-12-26 Grosse Webereimaschinen Gmbh Ratiere d'armures pour metiers automatiques

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234321A1 (de) * 1986-01-31 1987-09-02 FIMTESSILE FABBRICA ITALIANA MACCHINARIO TESSILE S.p.A. Mechanismus für die Steuerung der Oszillationen von Kurbelstangen, die verbunden sind mit den Webschäften in einer Rotationsschaftmaschine
WO1989003441A1 (en) * 1987-10-10 1989-04-20 Eltex Of Sweden Ab Warp thread control
EP0668381A1 (de) * 1994-01-26 1995-08-23 Danilo Jaksic Jacquardmaschine
FR2772796A1 (fr) * 1997-12-24 1999-06-25 Staubli Sa Ets Procede de montage d'un element funiculaire, dispositif de formation de la foule et metier a tisser
EP0933456A1 (de) * 1997-12-24 1999-08-04 Staubli Faverges Verfahren zum Befestigen einer Harnischkordel, Fachbildungsvorrichtung und Webmaschine
US6092564A (en) * 1997-12-24 2000-07-25 Bourgeaux; Pierre Process and apparatus for mounting a funicular element in a jacquard electrical shed forming device

Also Published As

Publication number Publication date
JPS5795333A (en) 1982-06-14
FR2491961A1 (fr) 1982-04-16
EP0050088B1 (de) 1984-07-11
US4433704A (en) 1984-02-28
ES506233A0 (es) 1982-09-01
FR2491961B1 (de) 1984-04-13
DE3164752D1 (en) 1984-08-16
JPH0231142B2 (de) 1990-07-11
ES8207242A1 (es) 1982-09-01

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