EP0128417B1 - Dispositif pour soulever une bobine d'enroulement - Google Patents

Dispositif pour soulever une bobine d'enroulement Download PDF

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Publication number
EP0128417B1
EP0128417B1 EP84105899A EP84105899A EP0128417B1 EP 0128417 B1 EP0128417 B1 EP 0128417B1 EP 84105899 A EP84105899 A EP 84105899A EP 84105899 A EP84105899 A EP 84105899A EP 0128417 B1 EP0128417 B1 EP 0128417B1
Authority
EP
European Patent Office
Prior art keywords
support member
piston
package
lifting
cylinder
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
EP84105899A
Other languages
German (de)
English (en)
Other versions
EP0128417A1 (fr
Inventor
Peter Schwengeler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Publication of EP0128417A1 publication Critical patent/EP0128417A1/fr
Application granted granted Critical
Publication of EP0128417B1 publication Critical patent/EP0128417B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/036—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism
    • B65H63/0362—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the combination of the detecting or sensing elements with other devices, e.g. stopping devices for material advancing or winding mechanism by a plate separating the package from the driving drum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to a device for lifting a take-up spool from a drive roller serving to drive it on a textile machine, with a support member serving for lifting and supporting the spool, which has a front impact region which runs parallel to the spool axis and which during the spool lifting movement in a movement of the support member perpendicular to this area against the lower area of the coil surface can be moved into a lifting position, the device for moving the support member comprising a cylinder-piston device, the piston of which can be subjected to a driving force for the coil-lifting movement while returning the Support member is a continuously acting and smaller with respect to the driving force return force is provided.
  • a device of this type is known from FR-A-2210 681, in which the cylinder-piston device must be under pressure during the entire time in which the winding is to be lifted off the driving shaft, i.e. in which pressure medium has to be fed continuously during this time.
  • a device on an open-end spinning machine is already known in which the pulling off of the broken thread is interrupted in order to attach a piece of yarn in the event of a thread break.
  • a wedge-shaped device can be pushed between the yarn spool and the winding roller.
  • a lever can also be pivoted, whereby it lifts the spool of thread from the winding roller with a tongue. Special measures are necessary for operation, both when swiveling in and when swiveling back the lever and the wedge-shaped device.
  • the coil is lifted by means of a rod which is encompassed by an articulated clamping element which, when the pivot axis of the clamping element is lifted, clamps itself to the rod and thus lifts the coil.
  • a return spring is provided to release the jam.
  • the position on the rod at which the detection takes place is variable or indefinite, in particular because of the unavoidable contamination, which means that the amounts are raised in an uncontrollable manner.
  • the bar is also constantly in motion. Since the coil is never exactly round, the rod is exposed to constant vibration. This creates fretting corrosion and results in wear on the rod.
  • the present invention is intended to avoid the disadvantages mentioned above.
  • This is characterized in that the piston rod is rigidly connected to the support member with its end remote from the piston, that the driving force only acts during the time interval of the coil lifting movement and that in the lifting position of the support member the pressure of the coil on this support member causes the piston to tilt due to the cylinder.
  • the invention has the advantage of great operational simplicity. After initiating the lifting of the coil, no further measures are necessary.
  • the support member remains in its clamped state as long as it is loaded by the coil, that is to say during any period of time, by the tilting.
  • the spool is reinserted into its operating state or when the spool is replaced by an empty sleeve, it moves back into its original position by the lifting of the spool and as a result of the continuously acting return force. This is done without controls.
  • Fig. 1 shows a winding spool 11, in which the thread or the yarn is wound on a sleeve 12.
  • the coil 11 is rotatable about an axis 13. It is supported by two support arms 14, one of which is visible.
  • the support arms 14 are pivotable about an axis 15.
  • a drive roller 16 serves to set the winding spool 11 in rotation.
  • a support member 17 is fixedly attached to the machine wall 18. It carries in a tab 19 by means of a shaft 20 the arms 14. Each arm 14 is fixedly connected to a further arm 21 arranged perpendicular to it. Each of the latter has a bearing 22. Between this and a further bearing 23 there is a compression spring 24 which is pivotally attached to the bearings 22, 23.
  • a cylinder-piston device comprising a cylinder 25 and a piston 26 is fastened to the machine wall 18.
  • a piston rod 27 has a somewhat smaller cross section than the piston 26.
  • the piston 26 can be moved back and forth between its solid lines and its position shown in broken lines.
  • the piston rod 27 is guided in a guide 28.
  • a support member 29 is firmly inserted into and carried by the piston rod 27. It has a front joint area 30.
  • a line 32 leads away from the chamber 31 and opens into the cylinder 25 at the end of the movement path of the piston 26 facing away from the support member.
  • a line 33 opens into the cylinder 25 at the end facing the movement path of the piston 26.
  • a shut-off device 34 is installed in line 32.
  • the winding spool 11 is set in rotation by the drive roller 16 and a thread (not shown) is thereby wound up.
  • the device is preferably used in open-end spinning, but is for other applications, e.g. on winding machines, also usable. If, for example, a thread break occurs, if a bobbin is fully wound or the winding process has to be interrupted for some other reason, the shut-off device 34 is actuated. As a result, the fluid exerts a pressure via the line 32 on the side of the piston 26 facing away from the support member. This pressure is greater than the pressure which is generated by the fluid acting on the piston 26 via the line 33, because the left side of the piston 26 exposed to the fluid, according to FIG.
  • the compression spring 24 serves to balance the weight of the bobbin 11. At the beginning of the winding process, the amount of thread on the sleeve 12 is small, the weight of the bobbin 11 is small and the sleeve 12 is located close to the drive roller 16.
  • the support arm 14 thus runs from the axis 15 to the axis 13 obliquely downwards and thus the arm 21 obliquely upwards to the right.
  • the coil 11 is pressed against the drive roller 16 by the compression spring 24 with a relatively small coil thickness.
  • the drawn conditions i.e. the bearing 22 is located on the left side of the plane defined by the axis 15 and the axis of the bearing 23. In this position, the spring 24 pushes the coil 11 upwards.
  • the arrangement described thus has a compensating effect on the contact pressure of the coil 11 on the roller 16.
  • the piston 26 is in the position shown in dashed lines at the end of the cylinder 25 lying on the side of the support member 29 and the coil 11 rests on the support member 29, the piston 26 is tilted with the cylinder 25, the edges of the Clamp piston 26 to the inner wall of cylinder 25.
  • a tilting of the piston rod 27 can possibly also overlap in the guide 28. So that the support member 29 is held in its lifting position as long as the coil 11 exerts pressure on this member 29. After the coil 11 is raised by the extended support member, the line 32 is closed again by the shut-off device 34.
  • the pressure exerted on the support member 29 is composed of the weight of the coil 11, the weight of the arms 14 and the (positive or negative) pressure exerted by the spring 24.
  • the line 32 is closed by rotating the shut-off member 34 through 90 ° in the counterclockwise direction.
  • the overpressure on the side of the piston 26 facing away from the support member 29 is reduced by the escape of fluid into the outside space.
  • the pressure caused by the fluid in the line 33 on the side of the piston 26 facing the support member 29 is too weak to overcome the jamming caused by the jamming, so that the support member 29 remains in the position shown in broken lines as long as the position shown by the coil 11 caused pressure is present.
  • the bobbin 11 is raised slightly.
  • the pressure exerted on the support member 29 and thus the tilting of the piston 26 disappears.
  • the return force now present as a result of the excess pressure transmitted via the line 33 now comes into effect, as a result of which the return of the piston 26, the piston rod 27 and the support member 29 in their starting position is drawn in solid lines.
  • the butt region 30 of the support member 29 is designed in such a way that the threads are protected as much as possible.
  • the butt region 30 is formed by a rotatably mounted roller.
  • FIG. 2 shows a modified embodiment of a cylinder-piston device.
  • a cylinder 25, a piston 26, a piston rod 27, a guide 28, a line 32 for a fluid having an overpressure and a shut-off element 34 for shutting off this fluid are provided.
  • the support member fixed with the piston rod 26 is not shown.
  • the shut-off element 34 is shown in the position in which the access of the fluid into the interior of the cylinder 25 is blocked and, as can be seen from FIG. 2, this interior is open to the free exterior space.
  • FIG. 2 there is no line for generating a return force for the piston 26 by means of a fluid under pressure. Instead, a tension spring 35 is provided.
  • a stop 36 is present.
  • the piston 26 is back-fired from the lever position drawn in broken lines into the starting position drawn with solid lines by means of the return force exerted by the tension spring 35. This moves the piston back to its original position until it comes to rest against the stop.
  • a clearance of any desired size can be provided between the piston rod 27 and the guide 28.
  • any freedom of movement is present for the purpose of tilting the piston 26 with the cylinder 25.
  • shut-off element corresponding to the organ 34 is controlled by a thread monitoring system, which e.g. comes into effect when the thread breaks.
  • the opening is also controlled by a monitoring system which responds as soon as the coils 11 have reached their prescribed size.
  • the shut-off device can be closed in automatic mode after a predetermined time interval which lasts until the bobbin has been lifted off under all circumstances. However, it can also be controlled in that, for example, the support member 29 generates a corresponding signal when it reaches its extended position.
  • the closing of the shut-off member 34 and the moving back of the support member 29 can take place independently of the time of arrival of an operating device which is patrolling along the machine and is intended for a large number of spinning stations. Therefore, the control unit does not have to have special control elements for the shut-off device. be equipped.
  • FIG. 3 shows the end of the cylinder 25 of FIG. 1 facing the support member 29.
  • the annular guide 28 is placed on the inner wall of the cylinder 25.
  • An annular rubber lip 39 is installed in the guide 28. The pressurized fluid supplied through the line 33 presses the rubber lip 39 against the piston rod 27, as a result of which a reliable seal for the fluid is obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
  • Winding Filamentary Materials (AREA)

Claims (8)

1. Dispositif pour soulever une bobine d'enroulement (11) d'un rouleau d'entraînement (16), servant à la commande de la bobine, d'une machine textile, avec un élément d'appui (29), servant à soulever et à porter la bobine, élément qui possède une zone de choc de devant (30) s'étendant d'une manière parallèle à l'axe de la bobine qui, lors du mouvement de soulèvement de la bobine, est mobile dans une position de soulèvement de bobine avec un mouvement perpendiculaire de l'élément d'appui (29), par rapport à cette zone, contre la partie inférieure de la surface de la bobine, où le dispositif, pour le mouvement de l'élément d'appui (29), comprend un arrangement cylindre-piston, dont le piston (26) peut être mis sous l'action d'une force de commande pour le mouvement de soulèvement de bobine, alors que, pour le mouvement de retour de l'élément d'appui (29), une force de rappel est prévue plus petite en relation avec la force de commande, et qui agit d'une manière constante, caractérisé par le fait que la tige de piston (27) est reliée par son extrémité la plus éloignée du piston (26), d'une manière rigide, avec l'élément d'appui (29), que la force de commande n'agit que pendant l'intervalle de temps du mouvement de soulèvement de la bobine, et que, dans la position de soulèvement de l'élément d'appui (29), la pression de la bobine sur cet élément d'appui (29) conditionne un coinçage du piston (26) dans le cylindre (25).
2. Dispositif selon revendication 1, caractérisé par le fait qu'un ressort (35) sert à produire la force de rappel.
3. Dispositif selon revendication 1, caractérisé par le fait que, pour la production de la force de commande, une conduite (32) est prévue pour un fluide hydraulique ou pneumatique sous pression, conduite qui, à l'extrémité opposée à l'élément d'appui (29) de la course de déplacement du piston (26), débouche à l'intérieur du cylindre (25), par un organe d'arrêt (34).
4. Dispositif selon revendication 1, caractérisé par le fait que la zone de choc (30) de l'élément d'appui (29) est formée par un rouleau, maintenu d'une manière rotative, et qui s'étend sur toute la longueur de la bobine (11).
5. Dispositif selon les revendications 2 et 3, caractérisé par le fait qu'une deuxième conduite (33), ouverte d'une manière continue, pour ce fluide, débouche à l'intérieur du cylindre (25) à l'extrémité dirigée vers l'élément d'appui (29) de la course de déplacement du piston (26), que la tige de piston (27) possède une section qui, par rapport à la section du piston, est plus petite d'une petite quantité, et que le guidage (28) comprend une lévre en caoutchouc (39) qui rend étanche la chambre du cylindre.
6. Dispositif selon revendication 3, caractérisé par le fait que l'ouverture de l'organe d'arrêt (34) peut être commandée par un dispositif de surveillance pour le fil à enrouler et un dispositif de surveillance pour la dimension de la bobine.
7. Dispositif selon revendication 3, caractérisé par le fait que la fermeture de l'organe d'arrêt (34) peut être commandée par l'élément d'appui (29), se trouvant dans sa position de soulèvement.
8. Dispositif selon revendication 1 ou 2, caractérisé par le fait que la tige de piston (27) est guidée par un guidage (28) du cylindre (25), dans son extrémité dirigée vers l'élément d'appui (29), et qu'un jeu (37) existe entre la tige de piston (27) et le guidage (28).
EP84105899A 1983-06-10 1984-05-24 Dispositif pour soulever une bobine d'enroulement Expired EP0128417B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3190/83 1983-06-10
CH319083 1983-06-10

Publications (2)

Publication Number Publication Date
EP0128417A1 EP0128417A1 (fr) 1984-12-19
EP0128417B1 true EP0128417B1 (fr) 1987-01-14

Family

ID=4250587

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84105899A Expired EP0128417B1 (fr) 1983-06-10 1984-05-24 Dispositif pour soulever une bobine d'enroulement

Country Status (4)

Country Link
US (1) US4576342A (fr)
EP (1) EP0128417B1 (fr)
JP (1) JPS606566A (fr)
DE (1) DE3462009D1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174114A (en) * 1985-04-22 1986-10-29 Rieter Ag Maschf Yarn package holders
US5566539A (en) * 1990-07-20 1996-10-22 Binder; Rolf Method and apparatus for repairing a yarn breakage in a pair of spinning units
IT1319229B1 (it) * 2000-10-20 2003-09-26 Savio Macchine Tessili Spa Dispositivo portarocche perfezionato per avvolgimento di filato conpressione regolata, particolarmente per ritorcitoi a doppia torsione.
CN106081727A (zh) * 2016-07-26 2016-11-09 陕西华燕航空仪表有限公司 筒子架自动抬升机构

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE603782C (de) * 1933-04-02 1934-10-08 Rudolph Voigt Fa Abstellvorrichtung fuer Kreuzfachspulmaschinen
FR798232A (fr) * 1935-02-14 1936-05-12 Dispositif pour bobinoirs
GB569765A (en) * 1943-09-15 1945-06-07 Arundel Coulthard & Co Ltd Improvements in yarn winding machines
GB589088A (en) * 1944-01-07 1947-06-11 British Celanese Improvements in stop motions for yarn-winding and like textile machines
DE1807023A1 (de) * 1967-12-01 1969-06-12 Vyzk Ustav Bavlnarsky Vorrichtung zum Wiederanspinnen von Garn in einer Maschine zum kontinuierlichen ringlosen Feinspinnen
CS162892B1 (fr) * 1971-05-24 1975-07-15
GB1457741A (en) * 1972-12-14 1976-12-08 Platt Saco Lowell Ltd Method of and apparatus for the piecint-up of yarns
JPS5128415U (fr) * 1974-08-24 1976-03-01
CH610019A5 (fr) * 1976-11-11 1979-03-30 Battelle Memorial Institute
JPS6052989B2 (ja) * 1977-10-26 1985-11-22 帝人製機株式会社 糸条ワインダ−
GB2016538B (en) * 1978-03-16 1982-07-21 Platt Saco Lowell Ltd Restarting package winding

Also Published As

Publication number Publication date
DE3462009D1 (en) 1987-02-19
EP0128417A1 (fr) 1984-12-19
US4576342A (en) 1986-03-18
JPS606566A (ja) 1985-01-14

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