EP0445374B1 - Dispositif d'enlèvement de bobines et de la mise en place de tubes de bobines dans les métiers à filer ou à retordre - Google Patents

Dispositif d'enlèvement de bobines et de la mise en place de tubes de bobines dans les métiers à filer ou à retordre Download PDF

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Publication number
EP0445374B1
EP0445374B1 EP90122590A EP90122590A EP0445374B1 EP 0445374 B1 EP0445374 B1 EP 0445374B1 EP 90122590 A EP90122590 A EP 90122590A EP 90122590 A EP90122590 A EP 90122590A EP 0445374 B1 EP0445374 B1 EP 0445374B1
Authority
EP
European Patent Office
Prior art keywords
positions
moved
height
position signals
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP90122590A
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German (de)
English (en)
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EP0445374A1 (fr
Inventor
Wolfgang Dipl.-Ing. Klaus
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.)
Oerlikon Textile GmbH and Co KG
Original Assignee
Zinser Textilmaschinen GmbH
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Filing date
Publication date
Application filed by Zinser Textilmaschinen GmbH filed Critical Zinser Textilmaschinen GmbH
Publication of EP0445374A1 publication Critical patent/EP0445374A1/fr
Application granted granted Critical
Publication of EP0445374B1 publication Critical patent/EP0445374B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
    • D01H9/04—Doffing arrangements integral with spinning or twisting machines

Definitions

  • the invention relates to a device for the automatic removal of bobbins and for the automatic placement of sleeves on all spindles of a machine side of a spinning or twisting machine with a transport device which has, in alternating succession, bobbin pins for receiving drawn bobbins and for supplying sleeves to be attached, which along the Spinning or twisting machine are movable in such a way that in one position the bobbin journals for receiving drawn bobbins and in another position the bobbin journals for feeding sleeves to be attached are fed to the spindles, and with a gripper bar extending in the longitudinal direction of the machine, which is one of the number of spindles has a corresponding number of grippers on the machine side and which can be extended transversely to the longitudinal direction of the machine by means of a drive device and raised and lowered by means of a further drive device, with a control for the drive devices and the grippers tion is provided which controls the drive device for retracting and extending including stopping in predetermined extended positions, the drive device for raising and lowering including stopping
  • the invention has for its object to improve a device of the type mentioned in such a way that the individual positions to be approached by the gripper bar can be set simply and quickly and that a subsequent change to adapt to spool formats or the like. is also easy and quick to carry out.
  • an absolute encoder which detects the height positions of the gripper bar and gives corresponding height position signals is provided, which is connected to the control, which has a height position signals associated with a memory for storing selectable height positions and a device for comparing the respectively present height position signals with the stored ones Contains height position signals.
  • an absolute value encoder which detects the extension position of the gripper bar and outputs corresponding extension position signals is provided, which is connected to the controller, which contains a memory for storing selectable extension position signals and an arrangement for comparing the respectively present extension position signals with the stored extension position signals .
  • an absolute value sensor which detects the positions of at least one spool of the transport device and emits corresponding position signals and is connected to the control, which has a memory for storing selectable positions of the at least one spool and a device for comparing of the position signals present with the stored position signals.
  • the ring spinning machine shown has a plurality of spindles (10) arranged in a row next to one another on both machine sides, which are mounted in spindle banks (11) and are driven in a manner not shown.
  • spindles (10) there is a ring bench (12) with a ring and a rotor for each spindle (10) on each machine side, above which a thread guide element (13) is arranged.
  • the fiber material to be spun is fed to each spindle (10) by a drafting system (14), which also withdrawing spun roving material from roving bobbins, not shown, which are suspended from a creel (15) in a manner not shown.
  • a device (16) for automatically removing bobbins (17) and for automatically inserting sleeves is arranged on both sides of the machine and serves all spindles (10) on one side of the machine at the same time.
  • the right side of the machine in Fig. 1 is in the operating phase, i.e. a spinning process is carried out on all spindles (10).
  • the device (16) is therefore in the rest position.
  • the machine side on the left in FIG. 1 is in the phase of a bobbin change, which will be explained in more detail later with reference to FIGS. 3a to 3g.
  • the device (16) is in a movement phase, in which empty sleeves (18) are fed to and placed on the spindles (10), from which the full bobbins (17) have previously been removed.
  • a transport device (19) which serves to feed empty sleeves (18) and to remove full bobbins (17).
  • the empty tubes (18) are fed as long as the spinning process is running and the device (16) is in the rest position (right machine side Fig. 1).
  • the transport device consists, for example, of a conveyor belt rotating on each side of the machine, which is provided with bobbin pins onto which empty sleeves (18) and full bobbins (17) can be attached.
  • the number of bobbins corresponds to twice the number of spindles (10) on each side of the machine. They are arranged in half the machine division.
  • the transport device (19) is thus alternately provided with bobbin pins for receiving the removed bobbins (17) and for receiving sleeves (18) to be attached.
  • a transport device (19) formed from a transport belt a transport device can also be provided, which is formed from individual plates arranged in series, each of which has a spool pin exhibit.
  • the device (16) contains a gripper bar (20) which is provided with a number of grippers (21), the number of which corresponds to the number of spindles (10).
  • the gripper bar can be moved in such a way that the grippers (21) in the exemplary embodiment can be fed to the sleeves (18) and the coils (17) from above, ie both when these are on the transport device (19) or on the spindles (10). are located.
  • the gripper bar (20) on each side of the machine is held with a scissor-type linkage which is formed from a plurality of support arms (22) and a plurality of pull arms (23).
  • the support arms (22), which are articulated to the gripper bar (20), 2 extend from the gripper bar to a spindle (24) running in the machine longitudinal direction, on which spindle nuts (25) are arranged, which are connected to the support arms (22) are.
  • the tie rods (23) engage the support arms (22) in an approximately articulated manner and are fixed in place at the height of the threaded spindle (24).
  • the gripper bar can thus be raised and lowered from the lowered position (FIG. 1 on the right, FIG. 2 on the left) into a raised position (FIG. 1 on the left, FIG. 2 on the right) by means of a corresponding rotary drive of the threaded spindle (24).
  • the gripper bar (20) can be moved in and out transversely to the machine longitudinal direction.
  • the gripper bar (20) together with its scissor-like linkage (22, 23) can be pivoted about an axis running in the machine longitudinal direction, ie around the spindle lying close to the ground (24).
  • the scissor-like linkage of the gripper bar (20) is provided with a lever (26) projecting inwards towards the inside of the machine, on which a drive device (27) indicated in FIG. 1 only for the right machine side acts.
  • Hydraulic cylinders for example, are provided as such a drive device (27), which are connected to a control valve Pressure medium supply device are connected.
  • the bobbin changing process is explained with reference to FIGS. 3a to 3g.
  • the gripper bar (20) with the grippers (21) is initially (Fig. 3a) in the rest position, in which the grippers (21) are at a vertical distance above the sleeves (18) from the transport device (19) below the Spindles (10) have been provided.
  • the gripper bar (20) is first lowered (Fig. 3b), after which the grippers (21) are closed.
  • the lowering position and the swivel position around the threaded spindle (24) must be set exactly so that the sleeves (18) are not damaged when lowering and gripping.
  • the gripper bar (20) with the grippers (21), which have gripped the sleeves (18), is then lifted for removal from the spool pins of the transport device (19) (FIG. 3c).
  • the gripper bar (20) is then pivoted outward about the threaded spindle (24) (FIG. 3d). In this pivoted-out position, the gripper bar (20) is raised until the lower end of the sleeve (18) is at a sufficient height above the level of the upper ends of the spindles (10) (Fig. 3e).
  • the gripper bar (20) is then pivoted back until the sleeves (18) are exactly vertically above the spindles (10) (Fig. 3f).
  • the full spools (17) must of course be withdrawn from the spindles (10). This is also done by means of the gripper bar (20) and the grippers (21), which move according to FIGS. 3a to 3f.
  • the gripper bar (20) with the gripper (21) is moved from the basic position according to FIG. 3a to the position according to FIG. 3g, wherein it runs through all intermediate positions according to FIGS. 3b, 3c, 3d, 3e, 3f.
  • the gripper bar (20) then moves with the grippers (21), which then close in the position according to FIG. 3g and take over the coils (17), in accordance with the steps according to FIGS.
  • the gripper bar (20) with the grippers (21) in particular has to approach a large number of different height positions exactly, but also two swivel positions, namely the swivel position above the spindles (10) and the swivel position via the spool pin of the transport device (19). These individual positions must be set exactly to enable trouble-free operation.
  • the threaded spindle (24 ') can be moved back and forth in the axial direction, ie in the machine longitudinal direction.
  • the support rods (22) are firmly articulated on the threaded spindle (24 ') and the gripper bar (20).
  • the tie rods (23) engage the support rods (22) and stationary spindle bearings (36).
  • the threaded spindle (24 ') is driven by an electric drive motor (28) which can be driven in both directions of rotation and which drives a spindle nut (30) which is stationary in the axial direction of the threaded spindle (24') via a gearwheel (29).
  • An absolute encoder (31) is assigned to the threaded spindle (24) '), for example an incremental encoder which cooperates with a ruler attached to the threaded spindle (24') and is connected to a controller (33). Since the axial position of the threaded spindle (24 ') corresponds to the height position of this gripper bar (20) due to the mechanical connection to the gripper bar (20), the absolute encoder (31) outputs a height position signal of the gripper bar (20) to the control (33).
  • the controller (33) which is connected to the motor (28), contains cursor keys (34), via which the motor (28) can be switched on for forward or backward running.
  • the controller (33) is provided with an input unit (not shown), with which the height position signals of the gripper bar (20) obtained in the approached position can be input into a memory of the controller (33). Furthermore, the control (33) is to be compared with a device for comparing these stored height position signals with the height position signals transmitted by the absolute value encoder (31) during the movement of the gripper bar (20), so that when the predetermined, stored height position signals are reached, a stop with subsequent Triggering of further program steps can be initiated.
  • the controller (33) is expediently provided with a display (35), via which a dialog can be conducted with the operator.
  • the controller (33) can thus guide the operator via the display (35) so that the operator moves to the individual height positions in accordance with Fig. 3a, Fig. 3b, Fig. 3c, Fig. 3f and Fig. 3g and each time from stores the preselected values as height position signals of the gripper bar in the memory.
  • This rotary signal transmitter which is also designed as an absolute value transmitter, then detects the angular position of the threaded spindle (24 ') and thus also the angular position of the gripper bar (20) rigidly connected to it.
  • the controller (33) is connected in a manner similar to the drive motor (28) to the drive device (27) for the swivel drive of the gripper bar (20), that is to say, for example, to a control valve which controls the pressure medium supply and discharge.
  • the operator can use the cursor keys (34) to move to all swivel positions in the swivel range, the absolute value transmitter (31) giving a corresponding swivel position signal.
  • the swivel position signal in question is then stored via the input device (not shown), so that this swivel position can then be approached with each doffing operation using a comparison device of the control.
  • the operator is guided over the display (35).
  • the control is expediently designed such that the normal sequence according to FIGS. 3a to 3g is carried out using the cursor keys (34), the positions to be observed in each case being set and stored exactly by the operator, ie the lifting positions and the pivoting positions in the order explained. It is also very easy to readjust the individual positions in the manner described if, for example, the next batch is to be spun with a different spool format or tube format.
  • an absolute value encoder is provided, which is assigned to the transport device and which gives a position signal to the control (33) which is assigned to at least one coil journal. If the position of one bobbin is fixed, the positions of the other bobbin are automatically determined.
  • the controller (33) is then connected in a corresponding manner to the drive device of the transport device (19), i.e. using the cursor keys (34), so that a fast forward and rewind is possible to set the desired exact position.
  • This position can then be taken over into a corresponding memory of the control, which is also equipped with a comparison device for the stored position signals of the bobbin and the respectively reported position signals, so that even before the actual doffing process described above, it is always ensured that the prerequisites for a trouble-free doffing process are met, ie that the transport device (19) with the empty bobbin and the sleeves is in the correct position.
  • the control explained also has the advantage that the entire program circuit can be designed in a simple manner so that the movements and / or the reaching of the individual positions are continuously queried and monitored via the absolute value transmitters (31). If, due to a malfunction, there are no more movements and / or predetermined positions are not reached, the control can then simply switch off the doffing process and set an error signal which is only deleted again when the operator has remedied the error that has occurred.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (3)

  1. Dispositif pour déboîter automatiquement des bobines (17) et pour emboîter automatiquement des bobinots (18) sur toutes les broches (10) d'un côté d'un métier de filage ou de retordage, comprenant un dispositif de convoyage (19) présentant, en succession alternée, des tenons porte-bobines qui sont destinés à recevoir des bobines déboîtées et à délivrer des bobinots devant être emboîtés, et peuvent être déplacés, le long du métier de filage ou de retordage, de telle sorte que soient présentés aux broches, dans une position, les tenons porte-bobines conçus pour recevoir des bobines déboîtées et, dans une autre position, les tenons porte-bobines conçus pour délivrer des bobinots à emboîter ; et une barre de préhension (20) s'étendant dans le sens longitudinal du métier, munie d'un certain nombre de griffes (21) correspondant au nombre des broches (10) de l'un des côtés du métier, pouvant être dégagée au moyen d'un système d'entraînement, transversalement par rapport au sens longitudinal du métier, et pouvant être levée et abaissée au moyen d'un autre système d'entraînement, dispositif dans lequel est prévue, pour les systèmes d'entraînement et pour les griffes, une commande (33) qui commande, en un ordre séquentiel préétabli, le système d'entraînement pour l'engagement et le dégagement, y compris son immobilisation dans des positions de dégagement préétablies, le système d'entraînement pour le levage et l'abaissement, y compris son immobilisation dans des positions en hauteur préétablies, et l'ouverture et la fermeture des griffes, caractérisé par le fait qu'il est prévu un indicateur (31) de valeurs absolues détectant les positions en hauteur de la barre de préhension (20), délivrant des signaux correspondants de positions en hauteur, et raccordé à la commande (33) qui comprend une mémoire pour mémoriser des signaux de positions en hauteur associés à des positions en hauteur sélectionnables, et un dispositif pour comparer, aux signaux de positions en hauteur mémorisés, les signaux de positions en hauteur respectivement appliqués.
  2. Dispositif selon la revendication 1, caractérisé par le fait qu'il est prévu un indicateur (31) de valeurs absolues détectant les positions de dégagement de la barre de préhension (20), délivrant des signaux correspondants de positions de dégagement, et raccordé à la commande (33) qui comprend une mémoire pour mémoriser des signaux de positions de dégagement associés à des positions de dégagement sélectionnables, et un dispositif pour comparer, aux signaux de positions de dégagement mémorisés, les signaux de positions de dégagement respectivement appliqués.
  3. Dispositif selon la revendication 1 ou 2, caractérisé par le fait qu'il est prévu un indicateur de valeurs absolues détectant les positions d'au moins un tenon porte-bobines du dispositif de convoyage (19), délivrant des signaux de positions correspondants, et raccordé à la commande (33) qui comprend une mémoire pour mémoriser des positions sélectionnables du tenon porte-bobines concerné au minimum, et un dispositif pour comparer, aux signaux de positions mémorisés, les signaux de positions respectivement appliqués.
EP90122590A 1990-02-21 1990-11-27 Dispositif d'enlèvement de bobines et de la mise en place de tubes de bobines dans les métiers à filer ou à retordre Expired - Lifetime EP0445374B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4005418 1990-02-21
DE4005418A DE4005418C1 (fr) 1990-02-21 1990-02-21

Publications (2)

Publication Number Publication Date
EP0445374A1 EP0445374A1 (fr) 1991-09-11
EP0445374B1 true EP0445374B1 (fr) 1994-03-02

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Application Number Title Priority Date Filing Date
EP90122590A Expired - Lifetime EP0445374B1 (fr) 1990-02-21 1990-11-27 Dispositif d'enlèvement de bobines et de la mise en place de tubes de bobines dans les métiers à filer ou à retordre

Country Status (4)

Country Link
US (1) US5125224A (fr)
EP (1) EP0445374B1 (fr)
JP (1) JP3084075B2 (fr)
DE (2) DE4005418C1 (fr)

Families Citing this family (15)

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Publication number Priority date Publication date Assignee Title
CA2045513C (fr) * 1989-12-22 2001-02-20 Freddy Wanger Traitement thermique et humidificateur de cannettes
DE4224436C2 (de) * 1992-07-24 1996-11-14 Zinser Textilmaschinen Gmbh Doppelseitige Ringspinnmaschine mit Spulenwechselvorrichtung
DE4421142B4 (de) * 1993-07-14 2005-09-15 Maschinenfabrik Rieter Ag Mehrgelenkgetriebe für einen Spinnmaschinenantrieb
JP3147624B2 (ja) * 1993-11-04 2001-03-19 株式会社豊田自動織機製作所 一斉式管替装置の駆動制御方法
DE4439245A1 (de) * 1993-11-11 1995-05-18 Rieter Ag Maschf Hubeinrichtung
DE4343019C2 (de) * 1993-12-16 1998-02-12 Zinser Textilmaschinen Gmbh Vorrichtung zum Zuführen und Abführen von Hülsen und Spulen für eine Spinn- oder Zwirnmaschine
DE4343020C2 (de) * 1993-12-16 1996-11-28 Zinser Textilmaschinen Gmbh Verfahren und Vorrichtung zur Steuerung der Bewegung eines Maschinenelements
DE4428665C2 (de) * 1994-08-12 1997-02-06 Zinser Textilmaschinen Gmbh Vorrichtung zum selbsttätigen Spulenwechsel an einer Spinnereimaschine
DE19532350B4 (de) * 1995-09-01 2004-07-08 Maschinenfabrik Rieter Ag Verfahren und Vorrichtung zum Abtransportieren von Kopsen bei einer Ringspinnmaschine
DE19624712A1 (de) * 1996-06-21 1998-01-08 Zinser Textilmaschinen Gmbh Ringspinnmaschine mit einer Vielzahl von Spinnstellen mit jeweils einer Spinnspindel und mit einer selbsttätigen Hülsenwechselvorrichtung
JP2004334981A (ja) 2003-05-08 2004-11-25 Teac Corp 光ディスク装置
CN102704070B (zh) * 2012-06-11 2014-10-29 经纬纺织机械股份有限公司 环锭细纱机光锭杆锭子的松管装置
CN102733016A (zh) * 2012-07-10 2012-10-17 铜陵市松宝机械有限公司 落纱机插管配气装置
CN103498223B (zh) * 2013-09-26 2016-09-07 铜陵松宝智能装备股份有限公司 智能落纱机移动定位同步插管装置
CN105755598A (zh) * 2016-03-23 2016-07-13 赵静 一种尼龙捻线机的单纱筒子调节装置

Family Cites Families (10)

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DE258657C (fr) *
DE1282526C2 (de) * 1964-12-19 1973-05-10 Zinser Textilmaschinen Gmbh Pneumatischer Greifer zum Erfassen von Spulen bzw. Huelsen an Spulenwechselvorrichtungen
CH535843A (fr) * 1970-11-07 1973-04-15 Nippon Keori Co Ltd Métier à filer ou à retordre, équipé de traverses porte-broches autorisant le remplacement des chemises
JPS4830970B1 (fr) * 1970-11-27 1973-09-26
DE2138926C3 (de) * 1971-08-04 1981-07-23 Zinser Textilmaschinen Gmbh, 7333 Ebersbach Einrichtung zum selbsttätigen gruppenweisen Transportieren und Speichern von Kopsen
US3786621A (en) * 1971-10-13 1974-01-22 Maremont Corp Grasper bar positioning mechanism for automatic doffer
GB1383173A (en) * 1971-11-18 1975-02-05 Maremont Corp Donning of bobbins onto spindles or other vertical elements
US4144700A (en) * 1976-12-14 1979-03-20 Murata Kikai Kabushiki Kaisha False twisting apparatus
JPS55103321A (en) * 1979-01-25 1980-08-07 Toyoda Autom Loom Works Ltd Release of control from doffing bar at intermediate position in autodoffer
GB8720842D0 (en) * 1987-09-04 1987-10-14 Mackie & Sons Ltd J Doffing & donning apparatus

Also Published As

Publication number Publication date
DE4005418C1 (fr) 1991-07-04
DE59004807D1 (de) 1994-04-07
JP3084075B2 (ja) 2000-09-04
US5125224A (en) 1992-06-30
EP0445374A1 (fr) 1991-09-11
JPH0673624A (ja) 1994-03-15

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