EP0000853B1 - Winding machine, in particular for thermoplastic yarns - Google Patents

Winding machine, in particular for thermoplastic yarns Download PDF

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Publication number
EP0000853B1
EP0000853B1 EP78400069A EP78400069A EP0000853B1 EP 0000853 B1 EP0000853 B1 EP 0000853B1 EP 78400069 A EP78400069 A EP 78400069A EP 78400069 A EP78400069 A EP 78400069A EP 0000853 B1 EP0000853 B1 EP 0000853B1
Authority
EP
European Patent Office
Prior art keywords
winding machine
machine according
valve
control
arm
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
Application number
EP78400069A
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German (de)
French (fr)
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EP0000853A1 (en
Inventor
Georges Fromaget
Jean Raymond Nicoulaud
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Saint Gobain Industries SA
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Saint Gobain Industries SA
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Publication date
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Publication of EP0000853A1 publication Critical patent/EP0000853A1/en
Application granted granted Critical
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00Winding, coiling, or depositing filamentary material
    • B65H54/02Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/28Traversing devices; Package-shaping arrangements
    • B65H54/36Yarn-guide advancing or raising mechanisms, e.g. cop-building arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00Winding, coiling, or depositing filamentary material
    • B65H54/70Other constructional features of yarn-winding machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2407/00Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes
    • B65H2407/50Means for protecting parts of handling machine
    • B65H2407/51Means for making dustproof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00Handled material; Storage means
    • B65H2701/30Handled filamentary material
    • B65H2701/31Textiles threads or artificial strands of filaments
    • B65H2701/312Fibreglass strands
    • B65H2701/3122Fibreglass strands extruded from spinnerets

Definitions

  • the present invention relates, in general, to the technique of winding threads and it relates, more particularly, to winders intended for winding threads of thermoplastic material such as glass threads drawn from a Faculty.
  • winders have already been developed in which a yarn guide in the form of a fork is provided in which the wire to be wound passes, the latter possibly originating in particular from a die.
  • the thread guide is placed as close as possible to the winding intended to form the reel and moved back and forth in a direction which, for reels of cylindrical shape, is parallel to the axis of the spindle around which the coil is formed.
  • the amplitude of the back-and-forth movement corresponds approximately to the height of the coil produced, that is to say to the length of the generator thereof.
  • Winders of this type have already been described in the following US patents: 3,367,587, 3,371,877, 3,498,550, 3,547,361, 3,717,311, 3,897,021. 3,801,032, 3,819,122, 3,838,827 and 3,845,912.
  • a winder comprising a fixed frame in which is rotatably mounted a spindle intended to receive the wire to be wound.
  • This spindle is coupled to rotational drive means which also act on a wire guide assembly in order to drive the wire guide in a reciprocating movement, the assembly being mounted oscillating in the frame.
  • the winder further comprises a control device intended to cause the rotation of the thread guide assembly in the direction of the distance from the spindle, as a function of the growth of the radius of the spool during formation.
  • This control device comprises an adjustment loop formed by a probe intended to detect the growth of the coil, a motor device intended to rotate the arm and an excitation element of the motor device according to the position of the probe.
  • the probe is made in the form of a roller coming into contact with the spool, while the wire guide is placed immediately above the roller.
  • the thread passes through the thread guide and then under the roller, which it leaves to wind up on the spool.
  • the roller which is fixed on the swinging arm is returned to the coil by an elastic device produced in the form of several pneumatic cylinders.
  • the swinging arm can, in its recoil movement under the effect of the magnification of the coil, activate an electrical contact or proximity sensor which constitutes the excitation element and which acts when it is closed on the motor device to make move the swing arm back.
  • the device described in patent US-A-3,717,311 comprises a roller coming into contact with the coil, said roller being directly fixed on the reciprocating mechanism which is itself fixed on a carriage moving horizontally.
  • This carriage is constantly returned to the coil by a constant force given by a pneumatic cylinder whose thrust is adjustable.
  • a pneumatic cylinder whose thrust is adjustable.
  • the principle of operation is simple, but it does not allow the roller to be applied to the coil with a sufficiently low and constant force.
  • the pneumatic cylinder can be adjusted with precision, the force of application of the roller on the reel is disturbed by parasitic friction such as that of the piston in the cylinder, that of the carriage on its slides and that of the joints of the driving force transmission device to the back and forth movement.
  • this friction is very variable due to the fouling of the sliding surfaces caused by the projections of size and fiber debris.
  • the detection system is a contactless device constituted by a pneumatic pressure gauge provided with different nozzles and supplied with pressurized air, integral with the reciprocating mechanism.
  • Gaseous jets directed permanently by certain nozzles against the surface of the coil give rise to reflected gas currents, captured by another nozzle.
  • This pressure varia authorizes .r, command to open a pressure air admission valve in a pneumatic cylinder, which causes the device to move away from and back.
  • the main defect of this device is due to the use of a compressible fluid as a detection agent and as a motive agent.
  • the irregularity of the surface detected and the combined effect of the centrifugation of air by the rotating coil cause fluctuations in the reflected gas currents and therefore parasitic pressure variations.
  • the device described is not immune to friction which results in the admission into the cylinder of a quantity of air under pressure greater than that normally required to move the mechanism away. back and forth. As a result, the distance between the wire guide and the spool does not remain constant.
  • the object of the invention is to provide a winder of the above-mentioned type, but devoid of the drawbacks which have just been mentioned.
  • thermoplastic material such as glass son stretches from a die, characterized in that its excitation element is a continuously controlled element.
  • the assembly constituted by the feeler roller and its support is balanced by simple gravity and associated with a simple device making it possible to rigorously adjust the pressure exerted by the feeler roller on the outer surface of the coil.
  • Patent BE-A-532,616 describes a device allowing the winding of wires on a spindle driven in rotation by a friction cylinder.
  • the ends of the spindle or of the cylinder are provided with rolling rings intended to ensure the rotation of the spindle at the start of the wire winding process.
  • This arrangement allows the spindle to start, to wind the wire at an increasing speed without the latter coming into contact with the friction cylinder, and therefore to avoid deterioration of the wire.
  • the diameter of the rings is such that the friction cylinder comes into contact with the wound wire, when the peripheral speeds of the spindle and the cylinder are practically equal.
  • This device however has certain drawbacks compared to the winder defined in claim 6. Indeed, the arrangement of the rings at the ends of the spindle ( Figure 1) does not allow the establishment, then the removal of cuffs supporting the winding sons.
  • the winder is associated with a die A which continuously produces a certain number of filaments B which are coated in a coating device C and assembled by a roller D, the resulting thread E being led to the winder.
  • the latter comprises a frame 1 in which is rotatably mounted about an axis X-X a spindle 2 intended to receive sleeves such as F engaged on this spindle and intended to respectively constitute the cores of the coils to be formed.
  • the spindle 2 is rotated by drive means whose output is seen at 3.
  • This assembly is housed in a body 8 in which is formed a horizontal groove 9 through which extends a wire guide 10 in the form of a fork.
  • the wire E passes through this wire guide 10 before being wound on the cuff F mounted on the spindle 2.
  • the wire guide 10 is moved back and forth in the direction of the arrow f by a mechanism comprising in particular a cam with crossed threads, the thread guide 10 therefore being continuously driven in an alternating movement parallel to the axis XX of the spindle 2.
  • the drive device for the thread guide 10 being known, no detailed description is given herein.
  • the body 8 carries two bearings 11 respectively disposed at each of its ends, shown schematically in FIG. 1 and in more detail in FIG. 4, to which we will return later.
  • An oscillating support 12 in the shape of a stirrup is mounted oscillating by pins 13 extending outwards from its lateral wings, in the bearings 11 and supported between the free ends of these wings a feeler roller 14 mounted for rotation. free on a shaft 15.
  • the journal 13 disposed near the free end of the body 8 extends beyond the bearing 11 and is secured at its free end to a lever 16 which exactly follows the oscillating movements of the oscillating support 12.
  • the end of this lever 16 opposite the pin 13 is forked and engaged on a pin 17 secured to a caliper 18.
  • the latter is fixed to the slide 19 of an adjustment valve 20 (see also fig. 2 and 3) which forms the excitation element of the winder control loop.
  • a spring 21 attached on the one hand to a lug 22 of the lever 16 and on the other hand to a tension adjustment device 23 mounted on the end face of the body 8 is arranged so as to urge the entire support 12 and of the lever 16 in a direction which brings the probe 14 closer to the axis of rotation XX of the spindle 2.
  • Figs. 1 to 3 also show that the spindle 2 is provided with a peripheral flange 24 which is intended to cooperate with an elastomer flange 25 for example, provided on the feeler roller 14 and, as will be seen later, bringing these flanges 24 and 25 into contact is intended to facilitate the starting of the roller 14.
  • the respective diameters of these flanges 24 and 25 are calculated to obtain at the start of winding a peripheral speed of the feeler roller at most equal or preferably slightly lower than the peripheral speed of the cuff F .
  • the assembly of the support 12 and of the feeler roller 14 is balanced around the axis ZZ, which can easily be obtained by adjusting as a function of the mass of the feeler roller 14 that of the horizontal portion 12a of the support 12.
  • the adjusting device 23 of the spring 21 is intended to adjust the pressure by which the feeler roller 14 is supported on the reel being formed.
  • a lever 26 integral in rotation with the oscillating arm 6 is connected at its free end to the rod of a jack 27 which constitutes the motor device of the winding adjustment loop.
  • the jack 27 is mounted oscillating on a mounting plate fixedly mounted in the frame 1 and supports various control members shown in detail in fig 5. In fig. 1, it can be seen that if the rod of the jack 27 is retracted, the oscillating arm 6 moves around the axis YY in the direction of the arrow f1 in order to move the mobile assembly which it carries away from the axis XX of spindle 2 of the winder.
  • the valve 20 (fig. 2 and 3) comprises a valve body 28, made of cast iron, for example, in which a bore 29 is formed.
  • the slide valve 19 of the valve slides in this bore 29 with a very small clearance (of approximately 3 microns for example), the drawer 19 being preferably made of steel.
  • the valve does not have any seal to avoid any parasitic force which could affect the movement of the assembly formed by the support 12, the feeler roller 14 and the lever 16.
  • the drawer 19 has roughly in its middle a wide groove 30 which is intended to communicate with two orifices 31 and 32 applied in the body 28 perpendicular to the axis of the bore 29. The latter is closed at the respective ends of the body 28 by plugs 28a and 28b, the lower plug 28b being pierced with an opening for the passage of the rod of the drawer 19.
  • FIG. 4 it can be seen that the articulation pins 13 of the oscillating support 12 are mounted in ball bearings 33 forming part of the bearings 11, the bearings being provided to guarantee a perfectly free oscillation of the support 12 without any play.
  • the bearings 33 are protected by baffles 34 against dust and other sails which may result from the winding.
  • nozzles 35 are provided mounted in the body 8 on either side of the support 12 and connected to a pressurized water circuit 36.
  • the injected water is preferably softened to avoid scaling of the nozzles 35.
  • all the parts, including the bearings, are preferably made of stainless steel.
  • valve 20 is connected by means of its orifices 31 and 32 and by respective pipes 37 and 38 to a hydraulic circuit in which the jack 27 is mounted.
  • the latter is connected on the side of the free face of its piston to a pipe 39 and on the opposite side of the piston to an air-oil exchanger 40.
  • the pipe 39 is connected to the inlet of an oleopneumatic valve 41, the outlet of which is connected on the one hand to the pipe 37 and on the other hand by a pipe 42 to another air-oil exchanger 43.
  • the air inlets of the exchangers 40 and 43 are connected to a distributor 44 with five ports and pneumatically controlled allowing the exchangers 40 and 43 to be placed in communication either with a pneumatic pressure source or with the atmosphere, under the control of the pressure prevailing in a pipe 45.
  • the oleo-pneumatic valve 41 is connected by a pipe 46 to the output of a pneumatic logic gate 47 of "OR" function, the first input of which is connected to the pipe 45 by a pipe 48. Its other inlet is connected by a pipe 49 to another "OR" logic gate 50, a first of which is connected to a memory element 51 and a second input of which is connected by a pipe 52 to a valve 53 with manual control which is intended to cause the distance from the moving element formed by the arm 6 and the body 8 of the axis XX of the spindle 2.
  • the valve 53 is associated with a solenoid valve 54 for automatic control of this moving away, this valve being connected to one of the inputs 55 of the memory element 51, the other input 56 of this element being connected by a pipe 57 to a valve 58 of the end of the travel limit which is actuated to put the pipe 57 under pressure when the piston of the cylinder 27 is in its position extreme lower.
  • Line 48 is also connected to the outlet of an "OR" pneumatic door 59, a first inlet of which is connected by line 60 to a manual control valve 61 making it possible to initiate the movement of movement of the aforementioned moving element of the axis XX of spindle 2.
  • the valve 61 is associated with a valve 62 for automatic control of this same movement, this valve 62 being connected to one of the control inputs 63 of a memory element 64, the other of which entry of control 65 is connected by a pipe 66 to a valve 67 for detecting the end of the approach movement of the moving element 6, 8.
  • the valve 67 is therefore actuated when the piston of the jack 27 reaches its extreme upper position to put the line 66 under pressure.
  • the output of the memory element 64 is connected to the other input of the OR gate 59 by a pipe 68.
  • the winder operation is as follows:
  • the body 8 containing the back-and-forth mechanism of the wire guide 10 must be moved as far as possible.
  • the operator acts on the valve 53 for manual control of the distance.
  • the wire guide 10 After the end of the winding, the wire guide 10 must be moved away. This operation can be carried out automatically or manually using the valves 53 and 54.
  • the feeler roller 14 When the winding operation begins, the feeler roller 14 is not yet in contact with the cuff F arranged on the spindle 2 (see fig. 2), but since the latter is rotated by the means of drive 3, the flange 24 of this pin rotates the flange 25 of the feeler roller 14.
  • the spool When the thickness wound on the sleeve F reaches a thickness of 1 to 2 mm, that is to say greater than the total thickness of the flanges 24 and 25, the surface of the coil being formed comes into contact with the feeler roller 14. While continuing to grow, the spool then repels the roller 14 which is permanently applied to it thanks to the effect of the tension spring 21, with a predetermined force of a few newtons.
  • the roller 14 pivots the oscillating support 12 around the pins 13 as well as the lever 16 which is integral with one of these pins.
  • the pressurized oil contained in the exchanger 40 can then cause the rod of the jack 27 to enter, because the oil of the jack being on the side of the piston opposite the rod of the jack can exit through the pipe 38, the valve 20 , lines 37 and 42 and flow back to the exchanger 43, the latter being vented.
  • valve 20 When the valve 20 begins to open, the movement of separation described above has a lower speed than the speed of increase of the radius of the coil. Under these conditions, the feeler roller 14 continues to be pushed back by the coil, which causes an increase in communication between the orifices 31 and 32 of the valve 20. The speed of separation of the crew 6. 8. 10 then increases until it reaches the speed of increase of the radius of the coil. When equal speeds are obtained, the system thus controlled keeps a stable opening through the valve 20.
  • the feeler roller 14 therefore gradually returns to its initial relative position under the effect of the tension spring 21, which has the effect of pushing the slide 19 in the valve 20 and partially closing the orifices 31 and 32, therefore d '' ensure constant equality of speeds away from the feeler roller and increase in the radius of the coil.
  • the moving element 6, 8, 10 is moved away from the axis XX of the spindle 2 thanks to the automatic supply of the solenoid valve 54 which causes the opening of the oleopneumatic valve 41 mounted in parallel on valve 20.
  • the actuator 27 actuates the end-of-stroke valve 67 which returns the memory element 64 to its initial state through the pipes 66. This memory element closing, the distributor 44 and the valve 41 are also returned to their closed position.
  • control device which has just been described with reference to FIG. 5 can be replaced, according to another embodiment, by an electronic type control device.
  • the winder comprises, as an excitation element of the control loop, a displacement sensor 70 whose electrical output signal is proportional to the displacement of a plunger core 87 linked to the lever 16 of the previous embodiment in place of the slide valve 19 of the valve 20.
  • This displacement sensor can advantageously be produced in the form of a differential transformer sensor manufactured for example by the firms SCHAEVITZ or NOVOTECHNIK (Federal Germany). These detection devices have the advantage of requiring practically no maneuvering effort, which is very suitable for the application envisaged here.
  • the swing arm 6 is coupled by the lever 26 to a nut 71 of a worm mechanism 72 coupled to a geared motor 73 fixed on the frame of the winder.
  • the displacement sensor 70 is mounted on the body 8 in the same way as the valve 20 of the embodiment of FIGS. 1 to 5. It is supplied by an electrical circuit 74 which is generally delivered with the displacement sensor 70.
  • the latter is capable of delivering a signal on a line 75 connected to the input of an amplifier 76 whose output is connected via a line 77 to a power supply 78 of the geared motor 73.
  • the motor of the latter can be of the direct current type and at variable speed and able to rotate in both directions, for example between 0 and 3000 revolutions per minute.
  • the power source 78 is preferably constituted by an electronic variator. All these elements being conventional, we do not give a detailed description. They can be found commercially from the NERVUS Company, for example.
  • a manual control button 79 sends a signal to the input E2 of block 78 through an "AND” door 80 and an “OR” door 81.
  • a pulse on the input 84 of a memory 85 commands the sending of a signal on the input E2 of the block 78 through the "OR" gate 81.
  • the action of the coil on the feeler roller 14 causes the displacement of the core 87 of the displacement sensor 70 and places it in a position which allows the delivery of a signal which via the amplifier 76 and the block 78 causes the gear motor 73 to feed.
  • the crew 6, 8, 10 then moves away from the coil at low speed. If this speed is lower than the speed of increase of the radius of the coil, the roller makes a pivoting movement around the axis ZZ, which moves the core 87 of the sensor 70 so that it delivers a higher level signal which corresponds to a greater speed of the geared motor 73 therefore of the speed of separation of the whole of the aforementioned crew.
  • a stable state is reached when the removal speed is equal to the speed of increase of the radius of the coil.
  • a pulse on an input 95 of a memory 96 commands the sending of a signal on the input E1 of block 78 through the "OR" gate 91.
  • the winder comprises a spindle which can receive only a single cuff for the formation of a coil.
  • the invention naturally applies to winders comprising two or more pins mounted, in a manner known per se, on a barrel, each pin being able to be selectively placed in front of the body 8.
  • each spindle can be designed to receive several coils which are then wound simultaneously.
  • the back-and-forth mechanism contained in the body 8 must be capable of actuating as many wire guides as there are coils to be formed.
  • the working fluid can be directly from the pressurized oil supplied by a hydraulic group.
  • the air-oil exchangers 40 and 43 are naturally not necessary.
  • the control members such as the valves 54 and 62 remain of the electrical type, according to the current technique in hydraulics.
  • valves 20 and 41 can be placed in other places in the hydraulic circuit.
  • the back pressure offered on the face opposite to the piston rod of the jack 27 is atmospheric pressure.
  • the diameter of the jack must then be dimensioned so that the thrust of the atmospheric pressure is in all cases opposed to the efforts of distancing the entire crew 6, 8, 10 relative to the spindle 2 and the coil , due to spring 4a.
  • the thread guide mechanism 10 is moved away from the spindle receiving the reel in formation in a continuous moving away. This movement is very precisely controlled by the speed of evolution of the radius of the coil thanks to the presence of an excitation element formed either by the valve 20 or by the displacement sensor 70 which are adjustable members. continued.
  • the distance between the wire guide and the spool can be perfectly constant so as not to affect the deposition of the wire on the spool.
  • the pressure of the feeler roller 14 on the reel in formation is as low as possible and can be adjusted as desired by varying the tension of the spring 21.
  • the feeler roller 14 is launched at a suitable peripheral speed before coming into contact with the surface of the coil in formation.
  • the force of the feeler roller on the coil can be very low, that is to say of the order of one newton, which is comparatively very low compared to those used in the prior art and in particular in US-A-3,547,361.
  • the wound thread undergoes practically no alterations.
  • the sensing roller 14 is mounted on the oscillating support 12 which constitutes a mass of inertia, which makes it possible to reduce the amplitude of the oscillations that the system formed by this support and this roller can take under the effect of external forces.
  • the winding machine is described in its application to the winding of glass wires leaving a die, it is obvious that it can also be used in any other application in which it is a question of producing coils from a fragile textile product, in particular sensitive to abrasion with high winding speeds (50 m per second or more) requiring precision winding.
  • the winder can be used in all applications in which the operating conditions are less severe.
  • the winder can be used in all cases where the working conditions are highly dirty. It then suffices to use a suitable solvent for washing the joints.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Structural Engineering (AREA)
  • Winding Filamentary Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Detergent Compositions (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)

Description

La présente invention concerne, d'une façon générale, la technique du bobinage de fils et elle est relative, plus particulièrement, à des bobinoirs destinés à l'enroulement de fils en matière thermoplastique tels que les fils de verre étirés à partir d'une filière.The present invention relates, in general, to the technique of winding threads and it relates, more particularly, to winders intended for winding threads of thermoplastic material such as glass threads drawn from a Faculty.

On sait que lors de la formation de bobines de fils et notamment de fils de verre, il est essentiel que la surface extérieure de la bobine soit aussi homogène que possible et qu'en particulier, le fil enroulé ne déborde pas, même dans une faible mesure, des flancs latéraux de la bobine, afin d'empêcher des détériorations du fil au cours des manipulations ultérieures de la bobine.It is known that when forming spools of threads and in particular glass threads, it is essential that the outer surface of the spool be as homogeneous as possible and that, in particular, the wound thread does not overflow, even in a slight measurement of the lateral sides of the spool, in order to prevent damage to the wire during subsequent handling of the spool.

Pour fabriquer des bobines cylindriques, on a déjà mis au point des bobinoirs dans lesquels on prévoit un guide-fil en forme de fourchette dans lequel passe le fil à enrouler, ce dernier pouvant provenir notamment d'une filière. Le guide-fil est placé le plus près possible de l'enroulement destiné à former la bobine et animé d'un mouvement de va-et-vient dans une direction qui, pour des bobines de forme cylindrique, est parallèle à l'axe de la broche autour de laquelle la bobine est formée. L'amplitude du mouvement de va-et-vient correspond approximativement à la hauteur de la bobine réalisée, c'est-à-dire à la longueur de la génératrice de celle-ci.To manufacture cylindrical coils, winders have already been developed in which a yarn guide in the form of a fork is provided in which the wire to be wound passes, the latter possibly originating in particular from a die. The thread guide is placed as close as possible to the winding intended to form the reel and moved back and forth in a direction which, for reels of cylindrical shape, is parallel to the axis of the spindle around which the coil is formed. The amplitude of the back-and-forth movement corresponds approximately to the height of the coil produced, that is to say to the length of the generator thereof.

Au cours de la formation de la bobine, son rayon s'accroît progressivement et il est donc nécessaire d'éloigner le guide-fil, et l'ensemble sur lequel il est monté mobile, de l'axe de la broche, pour conserver la même position relative du guide-fil et de la surface extérieure de la bobine en formation.During the formation of the coil, its radius increases progressively and it is therefore necessary to move the wire guide, and the assembly on which it is mounted mobile, from the axis of the spindle, to preserve the same relative position of the wire guide and the outer surface of the reel being formed.

Des bobinoirs de ce type ont déjà été décrits dans les brevets américain suivants: 3 367 587, 3 371 877, 3 498 550, 3 547 361, 3 717 31 1, 3897021. 3 801 032, 3 819 122, 3 838 827 et 3 845 912.Winders of this type have already been described in the following US patents: 3,367,587, 3,371,877, 3,498,550, 3,547,361, 3,717,311, 3,897,021. 3,801,032, 3,819,122, 3,838,827 and 3,845,912.

Parmi ces brevets, on peut citer comme document le plus représentatif de l'art antérieur, le US-A-3 547 361 dans leque! on retrouve une description d'un bobinoir comportant un bâti fixe dans lequel est montée à rotation une broche destinée à recevoir le fil à enrouler. Cette broche est couplée à des moyens d'entraînement en rotation qui agissent également sur un ensemble guide-fil afin d'entraîner le guide-fil selon un mouvement de va-et-vient, l'ensemble étant monté oscillant dans le bâti. Le bobinoir comporte en outre un dispositif de commande destiné à provoquer la rotation de l'ensemble guide-fil dans le sens de l'éloignement par rapport à la broche, en fonction de la croissance du rayon de la bobine en cours de formation. Ce dispositif de commande comporte une boucle de réglage formée par un palpeur destiné à détecter la croissance de la bobine, un dispositif moteur destiné à faire tourner le bras et un élément d'excitation du dispositif moteur en fonction de la position du palpeur.Among these patents, there may be mentioned as the most representative document of the prior art, US-A-3,547,361 in that! we find a description of a winder comprising a fixed frame in which is rotatably mounted a spindle intended to receive the wire to be wound. This spindle is coupled to rotational drive means which also act on a wire guide assembly in order to drive the wire guide in a reciprocating movement, the assembly being mounted oscillating in the frame. The winder further comprises a control device intended to cause the rotation of the thread guide assembly in the direction of the distance from the spindle, as a function of the growth of the radius of the spool during formation. This control device comprises an adjustment loop formed by a probe intended to detect the growth of the coil, a motor device intended to rotate the arm and an excitation element of the motor device according to the position of the probe.

Le palpeur est réalisé sous la forme d'un rouleau venant en contact avec la bobine, tandis que le guide-fil est placé immédiatement au-dessus du rouleau. Le fil passe dans le guide-fil puis sous le rouleau qu'il quitte pour s'enrouler sur la bobine.The probe is made in the form of a roller coming into contact with the spool, while the wire guide is placed immediately above the roller. The thread passes through the thread guide and then under the roller, which it leaves to wind up on the spool.

Le rouleau qui est fixé sur le bras oscillant est rappelé vers la bobine par un dispositif élastique réalisé sous la forme de plusieurs vérins pneumatiques. Le bras oscillant peut, dans son mouvement de recul sous l'effet du grossissement de la bobine, actionner un contact électrique ou détecteur de proximité qui constitue l'élément d'excitation et qui agit lorsqu'il est fermé sur le dispositif moteur pour faire reculer le bras oscillant.The roller which is fixed on the swinging arm is returned to the coil by an elastic device produced in the form of several pneumatic cylinders. The swinging arm can, in its recoil movement under the effect of the magnification of the coil, activate an electrical contact or proximity sensor which constitutes the excitation element and which acts when it is closed on the motor device to make move the swing arm back.

L'inconvénient du bobinoir selon le brevet US-A-3 547 361 en particulier est le caractère discontinu du mouvement d'éloignement du bras oscillant, car ce dernier ne peut se déplacer que par incréments qui ne peuvent pas, en pratique, être aussi petits qu'on pourrait le souhaiter.The disadvantage of the winder according to US-A-3,547,361 in particular is the discontinuous nature of the movement away from the swing arm, because the latter can only move in increments which cannot, in practice, be as as small as you would like.

L'effet das incréments de mouvement du bras oscillant qui se répercute également sur le guide-fil, est de produire des conditions de bobinage périodiquement variables. Il en résulte selon le cas, notamment que la distance entre le guide-fil et la bobine ne peut être constante et que surtout le palpeur ne peut exercer une pression rigoureusement constante sur la bobine.The effect of increments of movement of the swing arm which also affects the wire guide is to produce periodically variable winding conditions. As a result, as the case may be, in particular that the distance between the wire guide and the coil cannot be constant and that, above all, the probe cannot exert a strictly constant pressure on the coil.

Au premier abord, cet effet parait négligeable mais en pratique, surtout s'il s'agit de bobiner des fils de verre, la Damanderesse a constaté que les bobines obtenues présentent différents défauts du fait des imperfections suivantes:

  • -la distance entre le guide-fil et le rouleau palpeur est un facteur qui conditionne la précision sur la hauteur de la bobine (longueur de sa génératrice). Si celle-ci n'est pas rigoureusement constante, les flancs de la bobine sont irréguliers et on y voit des cannelures concentriques qui sont constituées de spires de fil plus ou moins sorties hors du corps de la bobine. Il s'ensuit une possibilité d'érosion de celles-ci lors des manipulations ultérieures en ces points précis,
  • .-si le rouleau palpeur exerce une pression irrégulière sur la bobine, la dégradation du fil suit ces variations de pression. Il en résulte que la qualité du fil bobiné n'est pas constante.
  • -le manque de fidélité couramment reconnu dans le seuil de déclenchement du contact électrique formant l'élément d'excitaion peut produire des incréments de mouvemen; sur le bras oscillant irréguliers et relativement grands. ce qui se traduit sur la bobine par de légè-es variations dans la longueur bobinée et il en résulte également un défaut de régularité des flancs de la bobine. Si l'élément d'excitation est constitué par un micro-contact électrique, l'organe palpeur doit de plus vaincre l'effort parasite d'actionnement de ce contact. Ceci a pour effet de perturber l'effort d'application du rouleau sur le fil de la bobine, ce qui accentue encore les détériorations de ce dernier. Le caractère discontinu de ces efforts et du mouvement a pour conséquence que la bobine obtenue n'a pas une qualité régulière puisqu'à certains moments, le fil ne subit qu'un contact très faible,
  • -pour que le rouleau palpeur puisse agir sur l'élément d'excitation formé par le micro-contact électrique, il est nécessaire, étant donné que ce rouleau palpeur fait partie d'un équipage monté oscillant sur le bras qui est lui-même oscillant et qui porte le guide-fil et le micro-contact, que la surface de la bobine exerce une force relativement grande sur ce palpeur de l'ordre de 4, 5 à 9 newtons par exemple, dans le cas du US-A-3 547 361. Pour réduire cet effort, on a prévu dans ce brevet un système de vérins montés entre l'équipage mobile du palpeur et le bras oscillant. Cependant, ce système est relativement compliqué et en tout cas très difficile à régler en raison des efforts parasites dûs aux frottements internes des vérins.
At first glance, this effect seems negligible but in practice, especially if it is a question of winding glass wires, the Damanderesse noted that the coils obtained have different defects due to the following imperfections:
  • -the distance between the wire guide and the feeler roller is a factor which determines the precision on the height of the spool (length of its generator). If the latter is not strictly constant, the sides of the coil are irregular and there are concentric grooves which consist of turns of wire more or less exited from the body of the coil. It follows a possibility of erosion of these during subsequent manipulations at these precise points,
  • .-if the feeler roller exerts an irregular pressure on the reel, the degradation of the wire follows these pressure variations. As a result, the quality of the wound wire is not constant.
  • the lack of fidelity commonly recognized in the triggering threshold of the electrical contact forming the excitation element can produce increments of movement; on the swingarm irregular and relatively large. which results on the reel by slight variations in the length wound and this also results in a lack of regularity of the sides of the coil. If the excitation element is constituted by an electrical micro-contact, the feeler member must moreover overcome the parasitic force of actuation of this contact. This has the effect of disturbing the application force of the roller on the coil wire, which further accentuates the deterioration of the latter. The discontinuous nature of these efforts and of the movement has the consequence that the coil obtained does not have a regular quality since at certain times, the wire undergoes only a very weak contact,
  • -for the feeler roller to act on the excitation element formed by the electrical micro-contact, it is necessary, given that this feeler roller is part of an assembly mounted oscillating on the arm which is itself oscillating and which carries the wire guide and the micro-contact, that the surface of the coil exerts a relatively large force on this probe of the order of 4, 5 to 9 newtons for example, in the case of US-A-3 547 361. To reduce this effort, there is provided in this patent a system of jacks mounted between the movable element of the probe and the swinging arm. However, this system is relatively complicated and in any case very difficult to adjust due to the parasitic forces due to the internal friction of the jacks.

Le dispositif décrit dans le brevet US-A-3 717 31 1 comporte un rouleau venant en contact avec la bobine, ledit rouleau étant directement fixé sur le mécanisme de va et vient qui est lui-même fixé sur un chariot se déplaçant horizontalement. Ce chariot est constamment rappelé vers la bobine par une force constante donnée par un vérin pneumatique dont la poussée est réglable. Lorsque la bobine grossit, elle repousse le rouleau et par là même le mécanisme de va et vient. Il n'y a pas ici d'asservissement mais une action directe. Le principe de fonctionnement est simple, mais il ne permet pas d'appliquer le rouleau sur la bobine avec une force suffisamment faible et constante. En effet, quoique le vérin pneumatique puisse être réglé avec précision, l'effort d'application du rouleau sur la bobine est perturbé par des frottements parasites tels que celui du piston dans le cylindre, celui du chariot sur ses glissières et celui des articulations du dispositif de transmission de force motrice vers le mouvement de va et vient. De plus ces frottements sont très variables du fait de l'encrassement des surfaces de glissement provoqué par les projections d'ensimage et de débris de fibres.The device described in patent US-A-3,717,311 comprises a roller coming into contact with the coil, said roller being directly fixed on the reciprocating mechanism which is itself fixed on a carriage moving horizontally. This carriage is constantly returned to the coil by a constant force given by a pneumatic cylinder whose thrust is adjustable. When the reel grows, it pushes back the roller and thus the back and forth mechanism. There is no enslavement here but direct action. The principle of operation is simple, but it does not allow the roller to be applied to the coil with a sufficiently low and constant force. Indeed, although the pneumatic cylinder can be adjusted with precision, the force of application of the roller on the reel is disturbed by parasitic friction such as that of the piston in the cylinder, that of the carriage on its slides and that of the joints of the driving force transmission device to the back and forth movement. In addition, this friction is very variable due to the fouling of the sliding surfaces caused by the projections of size and fiber debris.

Dans le bobinoir décrit dans le brevet FR-A-2 182 381, le système de détection est un dispositif sans contact constitué par une jauge de pression pneumatique munie de différents ajutages et alimentée en air sous pression, solidaire du mécanisme de va et vient.In the winder described in patent FR-A-2 182 381, the detection system is a contactless device constituted by a pneumatic pressure gauge provided with different nozzles and supplied with pressurized air, integral with the reciprocating mechanism.

Des jets gazeux dirigés en permanence par certains ajutages contre la surface de la bobine donnent naissance à des courants gazeux réfléchis, captés par un autre ajutage. Lorsque la bobine grossit et que sa surface se rapproche des ajutages, la pression des courants gazeux réfléchis augmente. Cette varia,,, de pression, après amplification, autorise .r, commande d'ouverture d'une vanne d'admission d'air sous pression dans un vérin pneumatique, qui provoque l'éloignement du dispositif de va et vient.Gaseous jets directed permanently by certain nozzles against the surface of the coil give rise to reflected gas currents, captured by another nozzle. As the coil grows and its surface approaches the nozzles, the pressure of the reflected gas streams increases. This pressure varia ,,, after amplification, authorizes .r, command to open a pressure air admission valve in a pneumatic cylinder, which causes the device to move away from and back.

Le principal défaut de ce dispositif est dû à l'emploi d'un fluide compressible comme agent de détection et comme agent moteur. L'irrégularité de la surface détectée et l'effet conjugué de la centrifugation d'air par la bobine en rotation provoquent des fluctuations dans les courants gazeuz réfléchis et donc des variations de pression parasites. Par ailleurs, comme dans le brevet précédent, le dispositif décrit n'est pas à l'abri de frottements qui ont comme conséquence l'admission dans le vérin d'une quantité d'air sous pression supérieure à celle normalement requise pour éloigner le mécanisme de va et vient. Il en résulte que la distance entre le guide-fil et la bobine ne reste pas constante.The main defect of this device is due to the use of a compressible fluid as a detection agent and as a motive agent. The irregularity of the surface detected and the combined effect of the centrifugation of air by the rotating coil cause fluctuations in the reflected gas currents and therefore parasitic pressure variations. Furthermore, as in the previous patent, the device described is not immune to friction which results in the admission into the cylinder of a quantity of air under pressure greater than that normally required to move the mechanism away. back and forth. As a result, the distance between the wire guide and the spool does not remain constant.

L'invention a pour but de fournir un bobinoir du type susindiqué, mais dépourvu des inconvénients que l'on vient de citer.The object of the invention is to provide a winder of the above-mentioned type, but devoid of the drawbacks which have just been mentioned.

Elle a donc pour objet un bobinoir, notamment pour fils de matière thermoplastique tels que les fils de verre étire à partir d'une filière, caractérisé en ce que son élément d'excitation est un élément à commande continue.It therefore relates to a winder, especially for son of thermoplastic material such as glass son stretches from a die, characterized in that its excitation element is a continuously controlled element.

Grâce à cette caractéristique, il devient possible de former pour la commande du mouvement de recul du guide-fil, une boucle d'asservissement dont la variable d'entrée n'implique pas comme dans la technique antérieure, un effort minimal relativement élevé exercé par la bobine sur le palpeur, mais un déplacement, autrement dit le simple accroissement du rayon de la bobine en cours de formation. Ainsi, l'ensemble du bras oscillant et tous les éléments qu'il porte s'éloignent de l'axe de la broche portant la bobine en cours de formation, par un mouvement rigoureusement continu qui est asservi directement au grossissement du rayon de la bobine, le signal de déplacement engendré par rouleau palpeur étant traité dans la boucle d'asservissement et transformé seulement ensuite en un effort nécessaire pour écarter l'ensemble du bras oscillant de l'axe de la broche.Thanks to this characteristic, it becomes possible to form, for controlling the recoil movement of the thread guide, a control loop whose input variable does not involve, as in the prior art, a relatively high minimum force exerted by the coil on the probe, but a displacement, in other words the simple increase in the radius of the coil during formation. Thus, the whole of the swinging arm and all the elements which it carries move away from the axis of the spindle carrying the reel being formed, by a rigorously continuous movement which is directly slaved to the magnification of the radius of the reel , the displacement signal generated by the feeler roller being processed in the servo loop and transformed only then into an effort necessary to move the whole of the swinging arm away from the axis of the spindle.

Suivant une autre caractéristique importante de l'invention, l'ensemble constitué par le rouleau palpeur et son support est équilibré par simple gravité et associé à un dispositif simple permettant de régler de façon rigoureuse la pression exercée par le rouleau palpeur sur la surface extérieure de la bobine.According to another important characteristic of the invention, the assembly constituted by the feeler roller and its support is balanced by simple gravity and associated with a simple device making it possible to rigorously adjust the pressure exerted by the feeler roller on the outer surface of the coil.

Grâce à cette caractéristique, on peut réduire notablement la pression exercée par le rouleau palpeur sur la bobine, ce qui évite pratiquement toute détérioration du fil. Par ailleurs, il est possible d'augmenter l'inertie de l'ensemble oscillant formé par le palpeur, ce qui permet d'éviter des rebondissements de ce dernier et de rendre ainsi régulier le signal d'entrée de la boucle d'asservissement. Ainsi, le déplacement du bras oscillant peut être aussi régulier que possible, ce qui contribue à une régularité rigoureuse des flancs de la bobine.Thanks to this characteristic, it is possible to significantly reduce the pressure exerted by the feeler roller on the spool, which practically avoids any deterioration of the wire. Furthermore, it is possible to increase the inertia of the oscillating assembly formed by the probe, which makes it possible to avoid bouncing of the latter and thus to make regular the input signal of the control loop. Thus, the movement of the swinging arm can be as regular as possible, which contributes to a rigorous regularity of the sides of the coil.

Le brevet BE-A-532 616 décrit un dispositif permettant l'enroulement de fils sur une broche entraînée en rotation par un cylindre de friction. Les extrémités de la broche ou du cylindre sont munies de bagues de roulement destinées à assurer la mise en rotation de la broche au début du processus d'enroulement des fils. Cette disposition permet au démarrage de la broche, d'enrouler le fil à une vitesse croissante sans que ce dernier rentre en contact avec le cylindre de friction, et donc d'éviter la détérioration du fil. Le diamètre des bagues est tel que le cylindre de friction arrive en contact avec le fil enroulé, lorsque les vitesses périphériques de la broche et du cylindre sont pratiquement égales. Ce dispositif présente toutefois certains inconvénients par rapport au bobinoir défini dans la revendication 6. En effet, la disposition des bagues aux extrémités de la broche (figure 1) ne permet pas la mise en place, puis l'enlèvement de manchettes supportant l'enroulement des fils.Patent BE-A-532,616 describes a device allowing the winding of wires on a spindle driven in rotation by a friction cylinder. The ends of the spindle or of the cylinder are provided with rolling rings intended to ensure the rotation of the spindle at the start of the wire winding process. This arrangement allows the spindle to start, to wind the wire at an increasing speed without the latter coming into contact with the friction cylinder, and therefore to avoid deterioration of the wire. The diameter of the rings is such that the friction cylinder comes into contact with the wound wire, when the peripheral speeds of the spindle and the cylinder are practically equal. This device however has certain drawbacks compared to the winder defined in claim 6. Indeed, the arrangement of the rings at the ends of the spindle (Figure 1) does not allow the establishment, then the removal of cuffs supporting the winding sons.

Lorsque les bagues sont montées sur les extrémités du cylindre de friction (figure 2), cette disposition empêche l'introduction latérale du fil entre le cylindre et la broche après que cette dernière soit mise en rotation par ledit cylindre. Ceci impose donc au départ un enroulement manuel du fil sur la broche à l'arrêt, ce qui n'est possible qui si le fil n'est pas étiré directement à partir d'une filière.When the rings are mounted on the ends of the friction cylinder (Figure 2), this arrangement prevents the lateral introduction of the wire between the cylinder and the spindle after the latter is rotated by said cylinder. This therefore requires manual winding of the wire on the spindle when stopped, which is only possible if the wire is not drawn directly from a die.

D'autres caractéristiques de l'invention apparaîtront au cours de la description qui va suivre.Other characteristics of the invention will appear during the description which follows.

Aux dessins annexés, donnés uniquement à titre d'exemple:

  • -la Figure 1 est une vue schématique en perspective de l'ensemble d'un bobinoir réalisé selon l'invention;
  • -les Figures 2 et 3 sont des vues en coupe partielles représentant la configuration de certains organes du bobinoir respectivement en début du bobinage et un certain temps après ce début;
  • -la fig. 4 montre une vue en coupe, à grande échelle, de la suspension du rouleau palpeur;
  • -la fig. 5 est un schéma simplifié de l'ensemble du dispositif de commande du bobinoir comportant notamment la boucle d'asservissement, selon un premier mode de réalisation de l'invention;
  • -la fig. 6 est un schéma analogue à celui de la fig. 5 mais représentant un second mode de réalisation de l'invention.
In the accompanying drawings, given solely by way of example:
  • FIG. 1 is a schematic perspective view of the assembly of a winder produced according to the invention;
  • FIGS. 2 and 3 are partial section views showing the configuration of certain members of the winder respectively at the start of the winding and for a certain time after this start;
  • - fig. 4 shows a sectional view, on a large scale, of the suspension of the feeler roller;
  • - fig. 5 is a simplified diagram of the entire device for controlling the winder comprising in particular the servo loop, according to a first embodiment of the invention;
  • - fig. 6 is a diagram similar to that of FIG. 5 but showing a second embodiment of the invention.

Suivant le mode d'exécution de l'invention représenté à la fig. 1 le bobinoir est associé à une filière A qui produit en continu un certain nombre de filaments B qui sont enduits dans un appareil de revêtement C et assemblés par une roulette D, le fil E en résultant étant conduit vers le bobinoir.According to the embodiment of the invention shown in FIG. 1 the winder is associated with a die A which continuously produces a certain number of filaments B which are coated in a coating device C and assembled by a roller D, the resulting thread E being led to the winder.

Ce dernier comporte un bâti 1 dans lequel est montée à rotation autour d'un axe X-X une broche 2 destinée à recevoir des manchettes telles que F engagées sur cette broche et destinées à constituer respectivement les noyaux des bobines à former. La broche 2 est entraînée en rotation par des moyens d'entraînement dont on voit en 3 la sortie.The latter comprises a frame 1 in which is rotatably mounted about an axis X-X a spindle 2 intended to receive sleeves such as F engaged on this spindle and intended to respectively constitute the cores of the coils to be formed. The spindle 2 is rotated by drive means whose output is seen at 3.

Un arbre 4 d'axe horizontal Y-Y monté à rotation dans des paliers 5 fixés sur le bâti 1 et rappelé par un ressort 4a supporte à l'une de ses extrémités un bras oscillant 6 auquel est solidaire, à son extrémité inférieure, un ensemble guide-fil 7. Cet ensemble est logé dans un corps 8 dans lequel est pratriquée une rainure horizontale 9 à travers laquelle s'étend un guide-fil 10 en forme de fourchette. Le fil E passe dans ce guide-fil 10 avant d'être enroulé sur la manchette F montée sur la broche 2. Comme convenu en soi, le guide-fil 10 est animé d'un mouvement de va-et-vient dans le sens de la flèche f par un mécanisme comportant notamment une came à filets croisés, le guide-fil 10 étant donc animé en continu d'un mouvement alternatif parallèlement à l'axe X-X de la broche 2. Le dispositif d'entraînement du guide-fil 10 étant connu, on n'en donne pas une description détaillée dans le présent mémoire.A shaft 4 of horizontal axis YY rotatably mounted in bearings 5 fixed on the frame 1 and recalled by a spring 4a supports at one of its ends a swinging arm 6 to which is attached, at its lower end, a guide assembly -wire 7. This assembly is housed in a body 8 in which is formed a horizontal groove 9 through which extends a wire guide 10 in the form of a fork. The wire E passes through this wire guide 10 before being wound on the cuff F mounted on the spindle 2. As agreed in itself, the wire guide 10 is moved back and forth in the direction of the arrow f by a mechanism comprising in particular a cam with crossed threads, the thread guide 10 therefore being continuously driven in an alternating movement parallel to the axis XX of the spindle 2. The drive device for the thread guide 10 being known, no detailed description is given herein.

Le corps 8 porte deux paliers 11 disposés respectivement à chacune de ses extrémités, représentés schématiquement sur la fig. 1 et plus en détail sur la fig 4 sur laquelle on reviendra ultérieurement.The body 8 carries two bearings 11 respectively disposed at each of its ends, shown schematically in FIG. 1 and in more detail in FIG. 4, to which we will return later.

Un support oscillant 12 en forme d'étrier est monté oscillant par des tourillons 13 s'étendant vers l'extérieur à partir de ses ailes latérales, dans les paliers 11 et supporté entre les extrémités libres de ces ailes un rouleau palpeur 14 monté à rotation libre sur un arbre 15. Le tourillon 13 disposé près de l'extrémité libre du corps 8 se prolonge au-delà du palier 11 et est solidaire à son extrémité libre d'un levier 16 qui suit exactement les mouvements d'oscillation du support oscillant 12. L'extrémité de ce levier 16 opposée au tourillon 13 est fourchue et engagée sur une goupille 17 solidaire d'un étrier 18. Ce dernier est fixé sur le tiroir 19 d'une vanne de réglage 20 (voir également fig. 2 et 3) qui forme l'élément d'excitation de la boucle de commande du bobinoir.An oscillating support 12 in the shape of a stirrup is mounted oscillating by pins 13 extending outwards from its lateral wings, in the bearings 11 and supported between the free ends of these wings a feeler roller 14 mounted for rotation. free on a shaft 15. The journal 13 disposed near the free end of the body 8 extends beyond the bearing 11 and is secured at its free end to a lever 16 which exactly follows the oscillating movements of the oscillating support 12. The end of this lever 16 opposite the pin 13 is forked and engaged on a pin 17 secured to a caliper 18. The latter is fixed to the slide 19 of an adjustment valve 20 (see also fig. 2 and 3) which forms the excitation element of the winder control loop.

Un ressort 21 attaché d'une part à un ergot 22 du levier 16 et d'autre part à un dispositif de réglage de tension 23 monté sur la face d'extrémité du corps 8 est agencé de manière à solliciter l'ensemble du support 12 et du levier 16 dans un sens qui rapproche le palpeur 14 de l'axe de rotation X-X de la broche 2.A spring 21 attached on the one hand to a lug 22 of the lever 16 and on the other hand to a tension adjustment device 23 mounted on the end face of the body 8 is arranged so as to urge the entire support 12 and of the lever 16 in a direction which brings the probe 14 closer to the axis of rotation XX of the spindle 2.

Les fig. 1 à 3 montrent également que la broche 2 est munie d'une collerette périphérique 24 qui est destinée à coopérer avec une collerette 25 en élastomère par exemple, prévue sur le rouleau palpeur 14 et, comme on le verra par la suite, la mise en contact de ces collerettes 24 et 25 est destinée à faciliter le démarrage du rouleau 14. Les diamètres respectifs de ces collerettes 24 et 25 sont calculés pour obtenir en début d'enroulement une vitesse périphérique du rouleau palpeur au plus égale ou de préférence légèrement inférieure à la vitesse périphérique de la manchette F.Figs. 1 to 3 also show that the spindle 2 is provided with a peripheral flange 24 which is intended to cooperate with an elastomer flange 25 for example, provided on the feeler roller 14 and, as will be seen later, bringing these flanges 24 and 25 into contact is intended to facilitate the starting of the roller 14. The respective diameters of these flanges 24 and 25 are calculated to obtain at the start of winding a peripheral speed of the feeler roller at most equal or preferably slightly lower than the peripheral speed of the cuff F .

Il est à noter que l'ensemble du support 12 et du rouleau palpeur 14 est équilibré autour de l'axe Z-Z, ce qui peut facilement être obtenu en ajustant en fonction de la masse du rouleau palpeur 14 celle de la portion horizontale 12a du support 12. Le dispositif de réglage 23 du ressort 21 est destiné à ajuster la pression par laquelle le rouleau palpeur 14 s'appuie sur la bobine en cours de formation.It should be noted that the assembly of the support 12 and of the feeler roller 14 is balanced around the axis ZZ, which can easily be obtained by adjusting as a function of the mass of the feeler roller 14 that of the horizontal portion 12a of the support 12. The adjusting device 23 of the spring 21 is intended to adjust the pressure by which the feeler roller 14 is supported on the reel being formed.

Un levier 26 solidaire en rotation du bras oscillant 6 est connecté à son extrémité libre à la tige d'un vérin 27 qui constitue le dispositif moteur de la boucle de réglage du bobinoir. Le vérin 27 est monté oscillant sur une plaquette de montage montée fixe dans le bâti 1 et supporte divers organes de commande représentés en détail sur la fig 5. Sur la fig. 1, on peut voir que si la tige du vérin 27 est rentrée, le bras oscillant 6 se déplace autour de l'axe Y-Y dans le sens de la flèche f1 pour écarter l'équipage mobile qu'il porte, de l'axe X-X de la broche 2 du bobinoir.A lever 26 integral in rotation with the oscillating arm 6 is connected at its free end to the rod of a jack 27 which constitutes the motor device of the winding adjustment loop. The jack 27 is mounted oscillating on a mounting plate fixedly mounted in the frame 1 and supports various control members shown in detail in fig 5. In fig. 1, it can be seen that if the rod of the jack 27 is retracted, the oscillating arm 6 moves around the axis YY in the direction of the arrow f1 in order to move the mobile assembly which it carries away from the axis XX of spindle 2 of the winder.

La vanne 20 (fig. 2 et 3) comporte un corps de vanne 28, en fonte, par exemple, dans lequel est ménagé un alésage 29. Le tiroir 19 de la vanne coulisse dans cet alésage 29 avec un jeu très réduit (d'environ 3 microns par exemple), le tiroir 19 étant réalise de préférence en acier. Il est à noter que la vanne ne comporte aucun joint pour éviter tout effort parasité' pouvant se répercuter sur le mouvement de l'ensemble formé par le support 12, le rouleau palpeur 14 et le levier 16. Le tiroir 19 comporte à peu près en son milieu une large gorge 30 qui est destinée à communiquer avec deux orifices 31 et 32 appliqués dans le corps 28 perpendiculairement à l'axe de l'alésage 29. Ce dernier est fermé aux extrémités respectives du corps 28 par des bouchons 28a et 28b, le bouchon inférieur 28b étant percé d'une ouverture pour le passage de la tige du tiroir 19.The valve 20 (fig. 2 and 3) comprises a valve body 28, made of cast iron, for example, in which a bore 29 is formed. The slide valve 19 of the valve slides in this bore 29 with a very small clearance (of approximately 3 microns for example), the drawer 19 being preferably made of steel. It should be noted that the valve does not have any seal to avoid any parasitic force which could affect the movement of the assembly formed by the support 12, the feeler roller 14 and the lever 16. The drawer 19 has roughly in its middle a wide groove 30 which is intended to communicate with two orifices 31 and 32 applied in the body 28 perpendicular to the axis of the bore 29. The latter is closed at the respective ends of the body 28 by plugs 28a and 28b, the lower plug 28b being pierced with an opening for the passage of the rod of the drawer 19.

Sur la fig 4, on peut voir que les tourillons d'articulation 13 du support oscillant 12 sont montés dans des roulements à billes 33 faisant partie des paliers 11, les roulements étant prévus pour garantir une oscillation parfaitement libre du support 12 sans aucun jeu. Les roulements 33 sont protégés par des chicanes 34 contre les poussières et autres sailssures pouvant résulter du bobinage.In FIG. 4, it can be seen that the articulation pins 13 of the oscillating support 12 are mounted in ball bearings 33 forming part of the bearings 11, the bearings being provided to guarantee a perfectly free oscillation of the support 12 without any play. The bearings 33 are protected by baffles 34 against dust and other sails which may result from the winding.

Pour éviter le colmatage ou le collage des roulements 33 et des chicanes 34, il est prévu des buses 35 montées dans le corps 8 de part et d'autre du support 12 et raccordées à un circuit d'eau sous pression 36. Ainsi, il est possible d'injecter en permanence de l'eau sous pression sur les chicanes de protection. L'eau injectée est de préférence adoucie pour éviter l'entartrage des buses 35. Il est à noter en outre que toutes les pièces, y compris les roulements, sont de préférence réalisées en acier inoxydable.To avoid clogging or sticking of the bearings 33 and baffles 34, nozzles 35 are provided mounted in the body 8 on either side of the support 12 and connected to a pressurized water circuit 36. Thus, it It is possible to permanently inject water under pressure on the protective baffles. The injected water is preferably softened to avoid scaling of the nozzles 35. It should also be noted that all the parts, including the bearings, are preferably made of stainless steel.

Comme on peut le voir sur la fig. 5, la vanne 20 est reliée par l'intermédiaire de ses orifices 31 et 32 et par des conduites respectives 37 et 38 à un circuit hydraulique dans lequel est monté le vérin 27.As can be seen in fig. 5, the valve 20 is connected by means of its orifices 31 and 32 and by respective pipes 37 and 38 to a hydraulic circuit in which the jack 27 is mounted.

Ce dernier est relié du côté de la face libre de son piston à une canalisation 39 et du côté opposé du piston à un échangeur 40 air-huile. La canalisation 39 est raccordée à l'entrée d'une vanne oléopneumatique 41 dont la sortie est raccordée d'une part à la conduite 37 et d'autre part par une conduite 42 à un autre échangeur 43 airhuile. Les entrées d'air des échangeurs 40 et 43 sont raccordées à un distributeur 44 à cinq orifices et à commande pneumatique permettant de mettre les échangeurs 40 et 43 en communication soit avec une source de pression pneumatique, soit avec l'atmosphère, sous la commande de la pression régnant dans une canalisation 45.The latter is connected on the side of the free face of its piston to a pipe 39 and on the opposite side of the piston to an air-oil exchanger 40. The pipe 39 is connected to the inlet of an oleopneumatic valve 41, the outlet of which is connected on the one hand to the pipe 37 and on the other hand by a pipe 42 to another air-oil exchanger 43. The air inlets of the exchangers 40 and 43 are connected to a distributor 44 with five ports and pneumatically controlled allowing the exchangers 40 and 43 to be placed in communication either with a pneumatic pressure source or with the atmosphere, under the control of the pressure prevailing in a pipe 45.

La vanne oléo-pneumatique 41 est connectée par une canalisation 46 à la sortie d'une porte logique pneumatique 47 de fonction "OU" dont la première entrée est reliée à la canalisation 45 par une canalisation 48. Son autre entrée est reliée par une canalisation 49 à une autre porte logique "OU" 50 dont une première est reliée à un élément de mémoire 51 et dont une seconde entrée est reliée par une canalisation 52 à une vanne 53 à commande manuelle qui est destinée à provoquer l'éloignement de l'équipage mobile formé par le bras 6 et le corps 8 de l'axe X-X de la broche 2. La vanne 53 est associée à une électrovanne 54 de commande automatique de ce mouvement d'éloignement, cette vanne étant connectée à l'une des entrées de commande 55 de l'élément de mémoire 51, l'autre entrée 56 de cet élément étant reliée par une canalisation 57 à une vanne 58 de fin de course d'éloignement qui est actionnée pour mettre la canalisation 57 sous pression lorsque le piston du vérin 27 est dans sa position extrême inférieure.The oleo-pneumatic valve 41 is connected by a pipe 46 to the output of a pneumatic logic gate 47 of "OR" function, the first input of which is connected to the pipe 45 by a pipe 48. Its other inlet is connected by a pipe 49 to another "OR" logic gate 50, a first of which is connected to a memory element 51 and a second input of which is connected by a pipe 52 to a valve 53 with manual control which is intended to cause the distance from the moving element formed by the arm 6 and the body 8 of the axis XX of the spindle 2. The valve 53 is associated with a solenoid valve 54 for automatic control of this moving away, this valve being connected to one of the inputs 55 of the memory element 51, the other input 56 of this element being connected by a pipe 57 to a valve 58 of the end of the travel limit which is actuated to put the pipe 57 under pressure when the piston of the cylinder 27 is in its position extreme lower.

La canalisation 48 est connectée également à la sortie d'une porte pneumatique "OU" 59 dont une première entrée est raccordée par une canalisation 60 à une vanne 61 de commande manuelle permettant de déclencher le mouvement de rapprochement de l'équipage mobile précité de l'axe X-X de la broche 2. La vanne 61 est associée à une vanne 62 de commande automatique de ce même mouvement, cette vanne 62 étant connectée à l'une des entrées de commande 63 d'un élément de mémoire 64 dont l'autre entrée de commande 65 est raccordée par une canalisation 66 à une vanne de détection 67 de la fin de course de rapprochement de l'équipage mobile 6, 8. La vanne 67 est donc actionnée lorsque le piston du vérin 27 atteint sa position extrême supérieure pour mettre la canalisation 66 sous pression. La sortie de l'elément de mémoire 64 est raccordée a l'autre entrée de la porte OU 59 par une canalisation 68.Line 48 is also connected to the outlet of an "OR" pneumatic door 59, a first inlet of which is connected by line 60 to a manual control valve 61 making it possible to initiate the movement of movement of the aforementioned moving element of the axis XX of spindle 2. The valve 61 is associated with a valve 62 for automatic control of this same movement, this valve 62 being connected to one of the control inputs 63 of a memory element 64, the other of which entry of control 65 is connected by a pipe 66 to a valve 67 for detecting the end of the approach movement of the moving element 6, 8. The valve 67 is therefore actuated when the piston of the jack 27 reaches its extreme upper position to put the line 66 under pressure. The output of the memory element 64 is connected to the other input of the OR gate 59 by a pipe 68.

Le fonctionnement de bobinoir est le suivant:The winder operation is as follows:

Pour préparer la broche 2, il faut éloigner au maximum le corps 8 contenant le mécanisme de va-et-vient du guide-fil 10. A cet effet, l'operateur agit sur la vanne 53 de commande manuelle de l'éloignement.To prepare the spindle 2, the body 8 containing the back-and-forth mechanism of the wire guide 10 must be moved as far as possible. For this purpose, the operator acts on the valve 53 for manual control of the distance.

Avant de commencer le bobinage, il faut ramener le guide-fil 10 à proximité immédiate de la broche 2. Cette opération s'effectue automatiquement lors de la mise en route du bobinoir grâce à l'électrovanne 62 de rapprochement.Before starting the winding, it is necessary to bring the thread guide 10 in the immediate vicinity of the spindle 2. This operation is carried out automatically when the winding machine is started using the solenoid valve 62 for approximation.

Après la fin du bobinage, il faut éloigner le guide-fil 10, Cette opération peut s'effectuer automatiquement ou manuellement grâce aux vannes 53 et 54.After the end of the winding, the wire guide 10 must be moved away. This operation can be carried out automatically or manually using the valves 53 and 54.

Pour rapprocher le guide-fil 10 et l'équipage mobile sur lequel il est monté, il faut faire sortir la tige du vérin 27. Par conséquent, l'échangeur 40 doit être mis à l'échappement, tandis que l'échangeur 43 doit être mis sous pression. Le distributeur 44 doit donc être actionné de même que la vanne oléopneumatique 41 qui est mise en parallèle sur la vanne 20 de la boucle de commande: on obtient ainsi un mouvement rapide de rapprochement.To bring the wire guide 10 closer to the mobile assembly on which it is mounted, the rod of the jack 27 must be taken out. Consequently, the exchanger 40 must be exhausted, while the exchanger 43 must be pressurized. The distributor 44 must therefore be actuated as well as the oleopneumatic valve 41 which is placed in parallel on the valve 20 of the control loop: a rapid approach movement is thus obtained.

Lorsque l'opération de bobinage commence, le rouleau palpeur 14 n'est pas encore en contact avec la manchette F disposée sur la broche 2 (voir fig. 2), mais étant donné que cette dernière est entraînée en rotation par les moyens d'entraînement 3, la collerette 24 de cette broche entraîne en rotation la collerette 25 du rouleau palpeur 14.When the winding operation begins, the feeler roller 14 is not yet in contact with the cuff F arranged on the spindle 2 (see fig. 2), but since the latter is rotated by the means of drive 3, the flange 24 of this pin rotates the flange 25 of the feeler roller 14.

Quand l'épaisseur bobinée sur la manchette F atteint une épaisseur de 1 à 2 mm, c'est-à-dire supérieure à l'épaisseur totale des collerettes 24 et 25, la surface de la bobine en cours de formation entre en contact avec le rouleau palpeur 14. En continuant de grossir, la bobine repousse alors le rouleau 14 qui s'y trouve appliqué en permanence grâce à l'effet du ressort de traction 21, avec une force prédéterminée de quelques newtons.When the thickness wound on the sleeve F reaches a thickness of 1 to 2 mm, that is to say greater than the total thickness of the flanges 24 and 25, the surface of the coil being formed comes into contact with the feeler roller 14. While continuing to grow, the spool then repels the roller 14 which is permanently applied to it thanks to the effect of the tension spring 21, with a predetermined force of a few newtons.

Lors de son déplacement, qui peut être de l'ordre de 1 à 1,5 mm, par exemple, le rouleau 14 fait pivoter le support oscillant 12 autour des tourillons 13 ainsi que le levier 16 qui est solidaire de l'un de ces tourillons.During its movement, which can be of the order of 1 to 1.5 mm, for example, the roller 14 pivots the oscillating support 12 around the pins 13 as well as the lever 16 which is integral with one of these pins.

Il en résulte que le levier 16 tire le tiroir 19 de la vanne 20 vers le bas de sorte que les orifices 31 et 32 de cette vanne 20 commencent à être mis en communication.As a result, the lever 16 pulls the slide 19 of the valve 20 downwards so that the orifices 31 and 32 of this valve 20 begin to be put in communication.

L'huile sous pression contenue dans l'échangeur 40 peut alors faire rentrer la tige du vérin 27, car l'huile du vérin se trouvant du côté du piston opposé à la tige du vérin peut sortir à travers la canalisation 38, la vanne 20, les canalisations 37 et 42 et refluer vers l'échangeur 43, ce dernier étant mis à l'atmosphère.The pressurized oil contained in the exchanger 40 can then cause the rod of the jack 27 to enter, because the oil of the jack being on the side of the piston opposite the rod of the jack can exit through the pipe 38, the valve 20 , lines 37 and 42 and flow back to the exchanger 43, the latter being vented.

Ceci a pour conséquence de faire pivoter l'ensemble de l'équipage formé par le bras oscillant 6 et le corps 8 de manière à éloigner le guide-fil 10 et son mécanisme de va-et-vient associé par rapport à la bobine en cours de formation.This has the effect of rotating the entire crew formed by the swinging arm 6 and the body 8 so as to move the wire guide 10 and its associated reciprocating mechanism away from the current reel training.

Quand la vanne 20 commence à s'ouvrir, le mouvement d'éloignement décrit ci-dessus a une vitesse plus faible que la vitesse d'accroissement du rayon de la bobine. Dans ces conditions, le rouleau palpeur 14 continue à être repoussé par la bobine ce qui provoque un accroissement de la communication entre les orifices 31 et 32 de la vanne 20. La vitesse d'éloignement de l'équipage 6. 8. 10 augmente alors jusqu'a ce qu'elle atteigne la vitesse d'accroissement du rayon de la bobine. Quand l'égalité des vitesses est obtenue, le système ainsi asservi garde une ouverture stable à travers la vanne 20.When the valve 20 begins to open, the movement of separation described above has a lower speed than the speed of increase of the radius of the coil. Under these conditions, the feeler roller 14 continues to be pushed back by the coil, which causes an increase in communication between the orifices 31 and 32 of the valve 20. The speed of separation of the crew 6. 8. 10 then increases until it reaches the speed of increase of the radius of the coil. When equal speeds are obtained, the system thus controlled keeps a stable opening through the valve 20.

Le diamètre des orifices 31 et 32 de la vanne 20 est calculé pour permettre un débit d'huile suffisant (à pleine ouverture) et nécessaire pour suivre la plus grande vitesse de grossissement envisagée, soit environ 0,2 mm par seconde. par exemple.The diameter of the orifices 31 and 32 of the valve 20 is calculated to allow a sufficient oil flow (at full opening) and necessary to follow the highest envisaged magnification speed, ie approximately 0.2 mm per second. for example.

Lorsque le bobinage continue de grossir, la vitesse d'accroissement du rayon de la bobine diminue. Le rouleau palpeur 14 revient donc peu à peu vers sa position relative initiale sous l'effet du ressort de traction 21, ce qui a pour conséquence de repousser le tiroir 19 dans la vanne 20 et de refermer partiellement les orifices 31 et 32, donc d'assurer en permanence une égalité des vitesses d'éloignement du rouleau palpeur et d'accroissement du rayon de la bobine.As the winding continues to grow, the speed of increase of the radius of the coil decreases. The feeler roller 14 therefore gradually returns to its initial relative position under the effect of the tension spring 21, which has the effect of pushing the slide 19 in the valve 20 and partially closing the orifices 31 and 32, therefore d '' ensure constant equality of speeds away from the feeler roller and increase in the radius of the coil.

Quand le bobinage est terminé, l'équipage mobile 6, 8, 10 est éloigné de l'axe X-X de la broche 2 grâce à l'alimentation automatique de l'électrovanne 54 qui provoque l'ouverture de la vanne oléopneumatique 41 montée en parallèle sur la vanne 20.When the winding is finished, the moving element 6, 8, 10 is moved away from the axis XX of the spindle 2 thanks to the automatic supply of the solenoid valve 54 which causes the opening of the oleopneumatic valve 41 mounted in parallel on valve 20.

Lorsque le rouleau palpeur 14 n'est plus en contact avec la bobine, il revient vers sa position initiale sous l'effet du ressort 21, ce qui a pour effet de fermer la vanne 20.When the feeler roller 14 is no longer in contact with the coil, it returns to its initial position under the effect of the spring 21, which has the effect of closing the valve 20.

Les divers organes de commande 53, 54. 61 et 62 agissent sur le bobinoir de la façon suivante:

  • ―éloignement manuel: l'actionnement de la vanne à commande manuelle 53 envoie de l'air à travers les portes "OU" 50 et 47 sur la vanne oléopneumatique 41, ce qui fait rentrer la tige du vérin 27 et provoque ainsi l'éloignement.
  • -éloignement automatique: une impulsion électrique appliquée à l'electrovanne 54 envoie de l'air sous pression à l'entrée 55 de. l'élément de mémoire 51 pour ouvrir ce dernier. L'élément de mémoire 51 tout en conservant cette position, envoie de l'air à travers les portes 50 et 47 sur la vanne 41, ce qui a le même effet qui précédemment. Quand le mouvement d'éloignement est terminé, le vérin 27 actionne la vanne de fin de course 58 qui, par l'intermédiaire de la canalisation 57, met l'entrée 56 de l'élément de mémoire 51 sous pression, ce qui remet cet élément à son état initial fermé. Il en résulte la fermeture de la vanne 41.
  • -rapprochement manuel: l'actionnement de la vanne 61 à commande manuelle envoie de l'air sous pression à travers la porte 59 sur l'entrée de commande du distributeur 44 à travers la canalisation 45. De l'air sous pression est également envoyé à la vanne 41 à travers les portes "OU" 59 et 47 par l'intermédiaire des canalisations 48 et 46. Le distributeur 44 est donc inversé, moyennant quoi de l'air sous pression est appliqué à l'échangeur 43, tandis que l'échangeur 40 est mis à l'atmosphère. Il en résulte la sortie de la tige du vérin 27.
  • -rapprochement automatique: une impulsion électrique appliquée à l'électrovanne 62 envoie de l'air sous pression à l'entrée 63 de l'élément de mémoire 64 qui s'ouvre et reste dans cette position en envoyant de l'air sous pression d'une part à travers les portes 59 et 47 et les canalisations 48 et 46 à la vanne 41 et d'autre part par la porte 59 et les canalisations 48 et 45 au distributeur 44.
The various control members 53, 54, 61 and 62 act on the winder as follows:
  • Manuel manual removal: the actuation of the manually controlled valve 53 sends air through the "OR" doors 50 and 47 to the oleopneumatic valve 41, which causes the rod of the jack 27 to retract and thus causes the separation .
  • -automatic removal: an electrical pulse applied to the solenoid valve 54 sends pressurized air to the inlet 55 of. memory element 51 to open the latter. Memory element 51 while retaining this position, sends air through doors 50 and 47 on valve 41, which has the same effect as before. When the moving away is finished, the jack 27 actuates the limit switch 58 which, via the pipe 57, puts the input 56 of the memory element 51 under pressure, which restores this element in its initial closed state. This results in the closing of the valve 41.
  • manual reconciliation: the actuation of the manually controlled valve 61 sends pressurized air through the door 59 to the control input of the distributor 44 through the pipe 45. Pressurized air is also sent to the valve 41 through the "OR" doors 59 and 47 via the pipes 48 and 46. The distributor 44 is therefore inverted, whereby pressurized air is applied to the exchanger 43, while the exchanger 40 is vented. This results in the output of the rod of the jack 27.
  • automatic reconciliation: an electrical pulse applied to the solenoid valve 62 sends pressurized air to the input 63 of the memory element 64 which opens and remains in this position by sending pressurized air d firstly through the doors 59 and 47 and the pipes 48 and 46 to the valve 41 and secondly through the door 59 and the pipes 48 and 45 to the distributor 44.

Quand le mouvement de rapprochement est terminé, le vérin 27 actionne la vanne 67 de fin de course qui remet l'élément de mémoire 64 à son état initial à travers les canalisations 66. Cet élément de mémoire se fermant, le distributeur 44 et la vanne 41 sont également ramenés à leur position fermée.When the closing movement is finished, the actuator 27 actuates the end-of-stroke valve 67 which returns the memory element 64 to its initial state through the pipes 66. This memory element closing, the distributor 44 and the valve 41 are also returned to their closed position.

Le dispositif de commande que l'on vient de décrire en se référant à la fig. 5 peut être remplacé, suivant un autre mode de réalisation, par un dispositif de commande de type électronique.The control device which has just been described with reference to FIG. 5 can be replaced, according to another embodiment, by an electronic type control device.

Dans ce cas, (fig. 6) le bobinoir comporte en tant qu'élément d'excitation de la boucle d'asservissement un capteur de déplacement 70 dont le signal de sortie électrique est proportionnel au déplacement d'un noyau plongeur 87 lié au levier 16 du mode de réalisation précédent à la place du tiroir 19 de la vanne 20. Ce capteur de déplacement peut être réalisé avantageusement sous la forme d'un capteur à transformateurs différentiels fabriqué par exemple par les Firmes SCHAEVITZ ou NOVOTECHNIK (Allemagne Fédérale). Ces appareils de détection ont l'aventage de n'exiger pratiquement aucun effort de manoeuvre, ce qui convient très bien à l'application envisagée ici.In this case, (fig. 6) the winder comprises, as an excitation element of the control loop, a displacement sensor 70 whose electrical output signal is proportional to the displacement of a plunger core 87 linked to the lever 16 of the previous embodiment in place of the slide valve 19 of the valve 20. This displacement sensor can advantageously be produced in the form of a differential transformer sensor manufactured for example by the firms SCHAEVITZ or NOVOTECHNIK (Federal Germany). These detection devices have the advantage of requiring practically no maneuvering effort, which is very suitable for the application envisaged here.

Dans le cas de la fig. 6, le bras oscillant 6 est couplé par le levier 26 à à un écrou 71 d'un mécanisme à vis sans fin 72 couplé à un moto-réducteur 73 fixe sur le bâti du bobinoir.In the case of fig. 6, the swing arm 6 is coupled by the lever 26 to a nut 71 of a worm mechanism 72 coupled to a geared motor 73 fixed on the frame of the winder.

Le capteur de déplacement 70 est monté sur le corps 8 de la même façon que la vanne 20 du mode de réalisation des fig. 1 à 5. Il est alimenté par un circuit électrique 74 qui est en général livré avec le capteur de déplacement 70. Ce dernier est capable de délivrer un signal sur une ligne 75 raccordée à l'entrée d'un amplificateur 76 dont la sortie est connectée par l'intermédiaire d'une ligne 77 à un bloc d'alimentation 78 du moto-réducteur 73. Le moteur de ce dernier peut être du type à courant continu et à vitesse variable et pouvant tourner dans les deux sens par exemple entre 0 et 3000 tours par minute. La source d'alimentation 78 est de préférence constituée par un variateur électronique. Tous ces éléments étant classiques, on n'en donne pas de description détaillée. Ils peuvent être trouvés dans le commerce auprès de la Société NERVUS, par exemple.The displacement sensor 70 is mounted on the body 8 in the same way as the valve 20 of the embodiment of FIGS. 1 to 5. It is supplied by an electrical circuit 74 which is generally delivered with the displacement sensor 70. The latter is capable of delivering a signal on a line 75 connected to the input of an amplifier 76 whose output is connected via a line 77 to a power supply 78 of the geared motor 73. The motor of the latter can be of the direct current type and at variable speed and able to rotate in both directions, for example between 0 and 3000 revolutions per minute. The power source 78 is preferably constituted by an electronic variator. All these elements being conventional, we do not give a detailed description. They can be found commercially from the NERVUS Company, for example.

Le bloc d'alimentation 78 comporte trois entrés E1, E2 et E3 qui ont les fonctions suivantes:

  • Entrée E1: commande en tout ou rien à vitesse maximale du moteur 73 pour le mouvement de rapprochement du bras 6;
  • Entrée E2: commande en tout ou rien à vitesse maximale du moteur pour le mouvement d'éloignement de ce bras;
  • Entrée E3: commande proportionnelle au signal du capteur 70 donnant une vitesse d'éloignement proportionnelle et variable d'éloignement du bras 6.
The power supply 78 has three inputs E1, E2 and E3 which have the following functions:
  • Input E1: all-or-nothing control at maximum speed of the motor 73 for the closing movement of the arm 6;
  • Input E2: all-or-nothing control at maximum motor speed for the movement away from this arm;
  • Input E3: proportional command to the signal from sensor 70 giving a proportional and variable distance from arm 6.

Les éléments du dispositif de commande que l'on vient de décrire sont associés à plusieurs composants logiques qui sont destinés à effectuer les mêmes actions de commande que celles décrites à propos du mode de réalisation de la fig. 5. Ces actions sont brièvement rappelées en se référant à la fig. 6.

  • ―éloignement manuel du bras 6.
The elements of the control device that have just been described are associated with several logic components which are intended to perform the same control actions as those described in connection with the embodiment of FIG. 5. These actions are briefly recalled with reference to fig. 6.
  • Manual removal of the arm 6.

L'action sur un bouton 79 de commande manuelle envoie un signal sur l'entrée E2 du bloc 78 à travers une porte "ET" 80 et une porte "OU" 81.The action of a manual control button 79 sends a signal to the input E2 of block 78 through an "AND" door 80 and an "OR" door 81.

Quand le mouvement d'éloignement est terminé, le levier 26 actionne un contact de fin de course 82 qui annule le signal donné par le bouton de commande 79 à travers un circuit inverseur 83 en bloquant le signal de sortie de la porte "ET" 80. Il en résulte que le moto-réducteur 73 n'est plus alimenté.

  • -Eloignement automatique.
When the moving away is finished, the lever 26 actuates a limit switch 82 which cancels the signal given by the control button 79 through an inverter circuit 83 by blocking the output signal from the "AND" gate 80 As a result, the geared motor 73 is no longer supplied.
  • -Automatic removal.

Une impulsion sur l'entrée 84 d'une mémoire 85 commande l'envoi d'un signal sur l'entrée E2 du bloc 78 à travers la porte "OU" 81.A pulse on the input 84 of a memory 85 commands the sending of a signal on the input E2 of the block 78 through the "OR" gate 81.

Le signal délivré par l'interrupteur de fin de course 82 est envoyé sur l'entrée de remise à zéro 86 de la mémoire 85 qui revient à son état initial et coupe ainsi l'alimentation du moto-réducteur 73.

  • -Eloignement proportionnel.
The signal delivered by the limit switch 82 is sent to the reset input 86 of memory 85 which returns to its initial state and thus cuts off the supply to the gear motor 73.
  • -Proportional distance.

L'action de la bobine sur le rouleau palpeur 14 provoque le déplacement du noyau 87 du capteur de déplacement 70 et le place dans une position qui permet la délivrance d'un signal qui par l'intermédiaire de l'amplificateur 76 et du bloc 78 provoque l'alimentation du moto-réducteur 73. L'équipage 6, 8, 10 s'éloigne alors de la bobine à faible vitesse. Si cette vitesse est inférieure à la vitesse d'accroissement du rayon de la bobine, le rouleau effectue un mouvement de pivotement autour de l'axe Z-Z, ce qui déplace le noyau 87 du capteur 70 pour qu'il délivre un signal de niveau plus élevé qui correspond à une vitesse plus grande du moto-réducteur 73 donc de la vitesse d'éloignement de l'ensemble de l'équipage précité. Un état stable est atteint quand la vitesse d'éloignement est égale à la vitesse d'accroissement du rayon de la bobine.The action of the coil on the feeler roller 14 causes the displacement of the core 87 of the displacement sensor 70 and places it in a position which allows the delivery of a signal which via the amplifier 76 and the block 78 causes the gear motor 73 to feed. The crew 6, 8, 10 then moves away from the coil at low speed. If this speed is lower than the speed of increase of the radius of the coil, the roller makes a pivoting movement around the axis ZZ, which moves the core 87 of the sensor 70 so that it delivers a higher level signal which corresponds to a greater speed of the geared motor 73 therefore of the speed of separation of the whole of the aforementioned crew. A stable state is reached when the removal speed is equal to the speed of increase of the radius of the coil.

Pour arrêter le mouvement d'éloignement lorsque le levier 26 atteint l'interrupteur de fin de course 82, il est prévu un dispositif de commande 88 tel qu'un transistor à effet de champ par exemple qui est monté en parallèle à l'amplificateur 76 et qui annule ainsi le signal de sortie de ce dernier appliqué à l'entrée E3 du bloc 78 quand cet interrupteur de fin de course 82 est actionné. Il en résulte que le moto-réducteur 73 n'est plus alimenté, ce qui évite des détériorations de ce dernier.

  • -Rapprochement manuel.
To stop the moving away when the lever 26 reaches the limit switch 82, there is provided a control device 88 such as a field effect transistor for example which is mounted in parallel with the amplifier 76 and which thus cancels the output signal of the latter applied to the input E3 of block 78 when this limit switch 82 is actuated. As a result, the gear motor 73 is no longer supplied, which prevents damage to the latter.
  • -Manual reconciliation.

L'action sur un bouton de commande manuelle 89 envoie un signal sur l'entrée E1 du bloc 78 à travers une porte "ET" 90 et une porte "OU" 91.The action on a manual control button 89 sends a signal to the input E1 of block 78 through an "AND" gate 90 and an "OR" gate 91.

Quand le mouvement de rapprochement est terminé, le levier 26 actionne un contact de fin de course de rapprochement 92 qui annule le signal donné par le bouton de commande manuelle 89 à travers une porte "OU" 93 et un inverseur 94, ce qui bloque le signal de sortie délivré par la porte "ET" 90.

  • -Rapprochement automatique.
When the closing movement is finished, the lever 26 actuates a closing limit switch contact 92 which cancels the signal given by the manual control button 89 through an "OR" door 93 and an inverter 94, which blocks the output signal from the "AND" gate 90.
  • - Automatic reconciliation.

Une impulsion sur une entrée 95 d'une mémoire 96 commande l'envoi d'un signal sur l'entrée E1 du bloc 78 à travers le porte "OU" 91.A pulse on an input 95 of a memory 96 commands the sending of a signal on the input E1 of block 78 through the "OR" gate 91.

Quand ce mouvement de rapprochement est terminé, le signal délivré par l'interrupteur de fin de course 92 sur l'entrée de remise à zéro 97 de la mémoire 96 par la porte "OU" 93 remet cette mémoire dans son état initial et coupe donc l'alimentation du moto-réducteur 73.When this approximation movement is finished, the signal delivered by the limit switch 92 on the reset input 97 of the memory 96 by the "OR" gate 93 returns this memory to its initial state and therefore cuts the gear motor 73.

Il est à noter que grâce à la présence de la porte "OU" 93 le mouvement d'éloignement est prioritaire sur le mouvement de rapprochement afin d'éviter une détérioration accidentelle du mécanisme si les informations d'éloignement et de rapprochement venaient à être données simultanément.It should be noted that thanks to the presence of the "OR" gate 93, the moving away has priority over the moving closer in order to avoid accidental deterioration of the mechanism if the information of moving away and moving closer were to be given. simultaneously.

Dans les deux modes de réalisation décrits ci-dessus, le bobinoir comporte une broche ne pouvant recevoir qu'une seule manchette pour la formation d'une bobine. L'invention s'applique naturellement à des bobinoirs comportant deux broches ou plus montées, de façon connue en soi, sur un barillet, chaque broche pouvant être sélectivement placée devant le corps 8.In the two embodiments described above, the winder comprises a spindle which can receive only a single cuff for the formation of a coil. The invention naturally applies to winders comprising two or more pins mounted, in a manner known per se, on a barrel, each pin being able to be selectively placed in front of the body 8.

Par ailleurs, chaque broche peut être conçue pour recevoir plusieurs bobines qui sont alors enroulées simultanément. Dans ce cas, le mécanisme de va-et-vient contenu dans le corps 8 doit être capable d'actionner autant de guide-fils qu'il y a de bobines à former.Furthermore, each spindle can be designed to receive several coils which are then wound simultaneously. In this case, the back-and-forth mechanism contained in the body 8 must be capable of actuating as many wire guides as there are coils to be formed.

En ce qui concerne le premier mode de réalisation des fig. 1 à 5, on peut noter que le fluide moteur peut être directement de l'huile sous pression fournie par un groupe hydraulique. Dans ce cas, les échangeurs air- huile 40 et 43 ne sont naturellement pas nécessaires. Cependant, les organes de commande tels qui les vannnes 54 et 62 demeurent de type électrique, selon la technique courante en hydraulique.As regards the first embodiment of FIGS. 1 to 5, it can be noted that the working fluid can be directly from the pressurized oil supplied by a hydraulic group. In this case, the air-oil exchangers 40 and 43 are naturally not necessary. However, the control members such as the valves 54 and 62 remain of the electrical type, according to the current technique in hydraulics.

Toujours dans le mode de réalisation des fig. 1 à 5, on peut noter que les vannes 20 et 41 peuvent être placées dans d'autres endroits dans le circuit hydraulique. En effet, il est possible par exemple de les monter en parallèle entre l'échangeur 40 et l'orifice d'entrée correspondant du vérin 27. Dans ce cas, la contre- pression offerte sur la face opposée à la tige du piston du vérin 27 est la pression atmosphérique. Le diamètre du vérin doit alors être dimensionné pour que la poussée de la pression atmosphérique s'oppose dans tous les cas aux efforts d'éloignement de l'ensemble de l'équipage 6, 8, 10 par rapport à la broche 2 et la bobine, dus au ressort 4a.Still in the embodiment of FIGS. 1 to 5, it can be noted that the valves 20 and 41 can be placed in other places in the hydraulic circuit. In fact, it is possible for example to mount them in parallel between the exchanger 40 and the corresponding inlet orifice of the jack 27. In this case, the back pressure offered on the face opposite to the piston rod of the jack 27 is atmospheric pressure. The diameter of the jack must then be dimensioned so that the thrust of the atmospheric pressure is in all cases opposed to the efforts of distancing the entire crew 6, 8, 10 relative to the spindle 2 and the coil , due to spring 4a.

D'après la description détaillée qui précède des deux modes de réalisation de l'invention, on voit que celle-ci fournit un bobinoir qui présente notamment les aventages suivants:From the above detailed description of the two embodiments of the invention, it can be seen that it provides a winding machine which in particular has the following adventures:

Le mécanisme du guide-fil 10 est éloigné de la broche recevant la bobine en formation selon un mouvement d'éloignement continu. Ce mouvement est asservi de façon très précise à la vitesse d'évolution du rayon de la bobine grâce à la présence d'un élément d'excitation formé soit par la vanne 20, soit par le capteur de déplacement 70 qui sont des organes à réglage continu.The thread guide mechanism 10 is moved away from the spindle receiving the reel in formation in a continuous moving away. This movement is very precisely controlled by the speed of evolution of the radius of the coil thanks to the presence of an excitation element formed either by the valve 20 or by the displacement sensor 70 which are adjustable members. continued.

La distance entre le guide-fil et la bobine peut être parfaitement constante de façon à ne pas affecter le dépôt du fil sur la bobine.The distance between the wire guide and the spool can be perfectly constant so as not to affect the deposition of the wire on the spool.

La pression du rouleau palpeur 14 sur la bobine en formation est aussi faible que possible et peut être réglée à volonté en faisant varier la tension du ressort 21.The pressure of the feeler roller 14 on the reel in formation is as low as possible and can be adjusted as desired by varying the tension of the spring 21.

Grâce à le présence des deux collerettes 24 et 25 qui sont en prise au démarrage du bobinage, on évite les écarts relatifs entre les vitesses périphériques du rouleau palpeur 14 et de la manchette F. En effet, lors du démarrage, le rouleau palpeur 14 est lancé à la vitesse périphérique convenable avant d'entrer en contact avec la surface de la bobine en formation.Thanks to the presence of the two flanges 24 and 25 which are engaged at the start of the winding, the relative differences between the peripheral speeds of the feeler roller 14 and of the cuff F are avoided. Indeed, during start-up, the feeler roller 14 is launched at a suitable peripheral speed before coming into contact with the surface of the coil in formation.

L'effort du rouleau palpeur sur la bobine peut être très faible, c'est-à-dire de l'ordre de un newton, ce qui est comparativement très faible par rapport à ceux qui sont utilisées dans l'art antérieur et notamment dans le US-A-3 547 361. Il en résulte que dans le bobinoir suivant l'invention, le fil bobiné ne subit pratiquement pas d'altérations.The force of the feeler roller on the coil can be very low, that is to say of the order of one newton, which is comparatively very low compared to those used in the prior art and in particular in US-A-3,547,361. As a result, in the winding machine according to the invention, the wound thread undergoes practically no alterations.

Le rouleau palpeur 14 est monté sur le support oscillant 12 qui constitue une masse d'inertie, ce qui permet de réduire l'amplitude des oscillations que peut prendre le système formé par ce support et ce rouleau sous l'effet des forces extérieures.The sensing roller 14 is mounted on the oscillating support 12 which constitutes a mass of inertia, which makes it possible to reduce the amplitude of the oscillations that the system formed by this support and this roller can take under the effect of external forces.

Enfin, on notera que bien que le bobinoir soit décrit dans son application au bobinage de fils de verre sortant d'une filière, il est évident qu'il peut également être utilisé dans toute autre application dans laquelle il s'agit de produire des bobines à partir d'un produit textile fragile, notamment sensible à l'abrasion avec des vitesses de bobinage élevées (de 50 m par seconde ou plus) nécessitant un bobinage de précision. Bien entendu, le bobinoir peut être utilisé dans toutes les applications dans lesquelles les conditions de fonctionnement sont moins sévères. En outre, grâce notamment à la disposition représentée sur la fig. 4 des paliers d'oscillation du support oscillant 12, le bobinoir peut être utilisé dans tous les cas où les conditions de travail sont fortement salissantes. Il suffit alors d'utiliser un solvant approprié pour le lavage des articulations.Finally, it will be noted that although the winding machine is described in its application to the winding of glass wires leaving a die, it is obvious that it can also be used in any other application in which it is a question of producing coils from a fragile textile product, in particular sensitive to abrasion with high winding speeds (50 m per second or more) requiring precision winding. Of course, the winder can be used in all applications in which the operating conditions are less severe. In addition, thanks in particular to the arrangement shown in FIG. 4 of the oscillating bearings of the oscillating support 12, the winder can be used in all cases where the working conditions are highly dirty. It then suffices to use a suitable solvent for washing the joints.

Claims (22)

1. Winding machine, in particular for threads of thermoplastic material such as glass threads attenuated from a bushing (A), comprising a fixed support structure (1), a a spindle (2) rotatably mounted in the support structure (1) and adapted to receive the thread to be wound (E), drive means for rotating the spindle (2), a thread guide assembly (7) mounted on an arm (6) oscillating in the support structure, a thread guide mechanism mounted on the arm (6) and having its thread guide (10) designed for reciprocating motion, and a control device to bring about rotation of the thread guide assembly (7), in particular in the sense of movement away from the spindle (2) as a function of the increase in the radius of the bobbin in the course of its formation, the said control device comprising a control loop formed by a feeler (14) to detect the increase in the size of the bobbin, a drive device (27) designed to rotate the said arm (6) and an energising element (20, 70) designed to energise the said drive device according to the position of the feeler (14), said winding machine being characterised in that the said energising element (20, 70) is a continuous control element.
2. Winding machine according to claim 1, characterised in that the said energising element (20, 70) is actuated by the displacement of a device (16) connected to the said feeler (14) under the action of the increase in radius of the bobbin in the course of its formation.
3. Winding machine according to any one of claims 1 and 2, characterised in that the said feeler (14) is mounted on a support (12) which in turn is mounted to oscillate on the said thread guide mechanism (8, 10) about a horizontal axis (Z-Z) and in that the said support (12) and the said feeler (14) are balanced by gravity about the said horizontal axis (Z-Z) and urged resiliently and in an adjustable manner in a sense which applies the feeler (14) against the surface of the bobbin in the course of its formation with an adjustable and relatively small force.
4. Winding machine according to claim 3, characterised in that the said oscillating support comprises a device in the form of a stirrup, the base (12a) of which is mounted horizontally and the upwardly extending arms of which are articulated on the said thread guide mechanism (8, 10) and carry the said feeler (14) at their free end.
5. Winding machine according to claim 4, characterised in that the said oscillating support (12) is connected with one end of a lever (16), the other end of which is coupled to the said energising element (20, 70) and to which is attached a spring of adjustable tension (21) which is also fixed to the said thread guide mechanism (8, 10).
6. Winding machine according to any one of the preceding claims, characterised in that the said feeler (14) comprises a flange (25) cooperating with a flange (24) formed on the said spindle (2), and in that the diameters of the said flanges (24, 25) are chosen so that at the onset of the winding operation there is obtained a peripheral speed at the most equal to, preferably slightly less than the peripheral speed of a sleeve (F) designed to be mounted on said spindle (2) to receive the said bobbin.
7. Winding machine according to any one of the preceding claims, characterised in that the said control loop is of the oleo-pneumatic or hydraulic type, in that the said drive device (27) of the oscillating arm (6) is a jack and in that the said energising element is a hydraulic valve (20) mounted in the feed circuit of the jack and having a passage the size of which is continuously variable as a function of the position of the said feeler (14) so as to control the said jack in a sense which moves the said arm (6) away from the said spindle (2).
8. Winding machine according to any one of claims 1 to 6, characterised in that the said control loop is of the electro-mechanical type, in that the said drive device driving the oscillating arm (6) comprises an electric motor (73) and in that the said energising element is a displacement pick-up (70) controlling the feed circuit (76, 78) of the said electric motor (73), the said pick-up comprising a movable element (87) coupled to the said feeler and producing at the outlet of the pick-up a continuously variable signal to control the said motor (73) in the sense of moving the arm (6) away from the said spindle (2).
9. Winding machine according to any one of the preceding claims, characterised in that the said control loop comprises logical control means (41, 46, 47, 49 to 56, 88, 79 to 85) enabling rapid movement of the said arm (6) away from the spindle (2) to be brought about by a manual or automatic control by putting the said energising element out of action.
10. Winding machine according to any one of the preceding claims, characterised in that the said control loop comprises inter alia control means enabling the rapid movement of said arm (6) towards said spindle to be brought about by a manual or automatic control, and selector means (44, 78) to determine the sense of movement of the said drive device (27, 73) to ensure selective execution of an approaching or distancing movement of the said arm (6).
11. Winding machine according to claim 7 taken in conjunction with any one of claims 9 and 10, characterised in that the said valve (20) comprises a valve body (28) fixed to the said thread guide mechanism and having a cylindrical bore (29) containing a slide (19) coupled to the said feeler (14), into which bore open transversely two orifices (31, 32) in alignment connected into the hydraulic circuit of the said jack (27), the said slide (19) having a groove (30) to determine continuously the bringing into communication of the said orifices (31, 32) as a function of the position of the said feeler (14).
12. Winding machine according to claim 11, characterised in that the said slide (19) is fitted into the bore (29) of the body (28) of the said valve (20) with a very small play, of the order of 3 microns, for example.
13. Winding machine according to claim 7 taken in conjunction with any of claims 9 to 12, characterised in that the said control means to control the rapid distancing movement comprise an all-or-nothing type of control valve (41) mounted in parallel with the said valve (20) which has an adjustable opening, and logical means (47, 49 to 56) to ensure selectively a manual or automatic control of the said all-or-nothing type of control valve (41).
14. Winding machine according to claim 13, characterised in that the said logical means are associated with a valve (58) for detecting the end of path of the said jack (27) in the sense of distancing of the arm (6), the said end-of-path valve being capable of inhibiting the manual or automatic control of the all-or-nothing control valve (41).
15. Winding machine according to any one of claims 11 to 14 when they are dependent of claim 10, characterised in that the said rapid approach means comprise logical control means (59 to 65) capable of bringing about by manual or automatic control the rapid approach movement of the said arm (6), and in that the said selector means comprise a selector (44) controlled by logical control means for approaching and distancing and connected between the feed circuit of the said jack (27) and a source of pressure.
16. Winding machine according to claim 15, characterised in that the said logical control means (59 to 65) for the approach movement are associated with a valve (67) for detecting the end of path of the said jack (27) in the sense of the approach movement, the said end of path valve (67) being capable of inhibiting the manual or automatic control signal produced by the said logical means (59 to 65).
17. Winding machine according to claim 7, characterised in that the said jack (27) is supplied from two air-oil exchangers (40, 43).
18. Winding machine according to any one of claims 9 and 10 when they are dependent of claim 8, characterised in that the outlet of the displacement pick-up (70) is connected to an amplifying circuit (76, 78), which in turn is connected to the said electric motor (73).
19. Winding machine according to claim 18, characterised in that the said control means for rapid distancing comprise a semi-conductor component (88) connected in parallel with the said amplifier (76) and associated with an end-of-path element (82) to inhibit the said amplifier (76) when the proportional distancing has reached its maximum amplitude.
20. Winding machine according to claim 19, characterised in that the said logical means are associated with an end-of-path switch (82) which is actuated when the motor (73) brings the said arm (6) into its extreme distancing position, the said switch being capable of inhibiting the manual or automatic control produced by the logical means (79 to 85).
21. Winding machine according to any one of claims 18 to 20 when they are dependent of claim 10, characterised in that the said rapid approach means comprise logical control means (89 to 97) enabling the rapid approach movement of the said arm (6) to be brought about by a manual or automatic control, and in that the said selector means comprise a device (78) capable of energising the said motor (73) so as to rotate it selectively at high speed (inlets E1 and E2) as a function of the logical state of the said logical approach and distancing means.
22. Winding machine according to claim 21, characterised in that the said logical approach control means (89 to 97) are associated with an end-of-path switch (92) which is actuated when the motor (73) places the said arm (6) in its final position of approach, the said switch being capable of inhibiting the manual or automatic control signal produced by the said logical means (89 to 97).
EP78400069A 1977-08-03 1978-08-02 Winding machine, in particular for thermoplastic yarns Expired EP0000853B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7723947 1977-08-03
FR7723947A FR2399377A1 (en) 1977-08-03 1977-08-03 WINDING SPOOL, ESPECIALLY FOR THERMOPLASTIC MATERIAL THREADS

Publications (2)

Publication Number Publication Date
EP0000853A1 EP0000853A1 (en) 1979-02-21
EP0000853B1 true EP0000853B1 (en) 1981-09-02

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EP78400069A Expired EP0000853B1 (en) 1977-08-03 1978-08-02 Winding machine, in particular for thermoplastic yarns

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US (1) US4235387A (en)
EP (1) EP0000853B1 (en)
JP (1) JPS5430946A (en)
AT (1) AT382134B (en)
CA (1) CA1097294A (en)
DE (1) DE2861011D1 (en)
DK (1) DK144558C (en)
ES (1) ES472285A1 (en)
FI (1) FI62807C (en)
FR (1) FR2399377A1 (en)
IE (1) IE47215B1 (en)
IT (1) IT1160572B (en)
MX (1) MX145385A (en)
NO (1) NO145501C (en)
TR (1) TR20058A (en)
YU (1) YU187378A (en)

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Publication number Priority date Publication date Assignee Title
JPS5912587B2 (en) * 1979-10-08 1984-03-24 日東紡績株式会社 Traverse device for linear material winding device
FR2585375B1 (en) * 1985-07-25 1988-04-08 Saint Gobain Vetrotex DEVICE AND METHOD FOR SIMULTANEOUSLY WINDING SEPARATE THREADS ON A ROTATING MEDIUM
US5756149A (en) * 1996-07-16 1998-05-26 Owens-Corning Fiberglas Technology, Inc. Method and apparatus for lubricating continuous fiber strand winding apparatus
ATE251586T1 (en) * 1996-07-16 2003-10-15 Owens Corning Fiberglass Corp METHOD FOR LUBRICATION OF A REWINDING DEVICE
CN104261202B (en) * 2014-09-17 2017-07-11 绍兴精功机电有限公司 Carbon fiber automatically continuously winds receipts silk device
CN109368383A (en) * 2018-10-23 2019-02-22 胡林斌 A kind of cable for signal control

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Publication number Priority date Publication date Assignee Title
BE532616A (en) *
US2463773A (en) * 1944-04-14 1949-03-08 Werdna Company Winding machine
US2459167A (en) * 1946-02-15 1949-01-18 Kidde & Co Walter Winding machine
US2972450A (en) * 1957-12-05 1961-02-21 Leesona Holt Ltd Textile winding machine
GB1143762A (en) * 1965-05-14
US3547361A (en) * 1967-08-16 1970-12-15 Owens Corning Fiberglass Corp Apparatus for winding textile material
US3617009A (en) * 1969-09-02 1971-11-02 Robison Rayon Co Yarn package pressure controller for yarn winding apparatus
US3717311A (en) * 1970-09-30 1973-02-20 Owens Corning Fiberglass Corp Apparatus for packaging linear material
FR2182381A5 (en) * 1972-04-28 1973-12-07 Saint Gobain Pont A Mousson
US3838827A (en) * 1972-12-29 1974-10-01 Owens Corning Fiberglass Corp Apparatus for packaging linear material
US3801032A (en) * 1972-05-15 1974-04-02 Owens Corning Fiberglass Corp Apparatus for packaging strand
US3819122A (en) * 1972-09-28 1974-06-25 Johns Manville Apparatus for winding strand material
DE2330504A1 (en) * 1973-06-15 1975-01-09 Schuster & Co F M N Yarn winding control unit - has adjustable control system to determine pressure of bobbin against friction drive roller
US3897021A (en) * 1974-06-21 1975-07-29 Owens Corning Fiberglass Corp Method of and apparatus for simultaneously packaging glass strands into individual packages
DE2532165C3 (en) * 1975-07-18 1979-12-06 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Winding device

Also Published As

Publication number Publication date
NO782647L (en) 1979-02-06
JPS5430946A (en) 1979-03-07
DK144558B (en) 1982-03-29
US4235387A (en) 1980-11-25
FI62807B (en) 1982-11-30
MX145385A (en) 1982-02-01
FI782359A (en) 1979-02-04
DE2861011D1 (en) 1981-11-26
FR2399377A1 (en) 1979-03-02
NO145501B (en) 1981-12-28
CA1097294A (en) 1981-03-10
JPS6236951B2 (en) 1987-08-10
IT7868843A0 (en) 1978-08-02
IE781506L (en) 1979-02-03
AT382134B (en) 1987-01-12
DK342478A (en) 1979-02-04
FI62807C (en) 1983-03-10
NO145501C (en) 1982-04-14
DK144558C (en) 1982-09-20
ATA562178A (en) 1986-06-15
YU187378A (en) 1982-06-30
FR2399377B1 (en) 1980-02-22
ES472285A1 (en) 1979-02-16
IE47215B1 (en) 1984-01-25
TR20058A (en) 1980-07-01
IT1160572B (en) 1987-03-11
EP0000853A1 (en) 1979-02-21

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