EP1070163B1 - Dispositif d'entrainement pour les lames partielles de metiers a tisser circulaires - Google Patents

Dispositif d'entrainement pour les lames partielles de metiers a tisser circulaires Download PDF

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Publication number
EP1070163B1
EP1070163B1 EP99936242A EP99936242A EP1070163B1 EP 1070163 B1 EP1070163 B1 EP 1070163B1 EP 99936242 A EP99936242 A EP 99936242A EP 99936242 A EP99936242 A EP 99936242A EP 1070163 B1 EP1070163 B1 EP 1070163B1
Authority
EP
European Patent Office
Prior art keywords
parting
shafts
driving lever
drive device
coupling
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
EP99936242A
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German (de)
English (en)
Other versions
EP1070163A2 (fr
Inventor
Jörg STARK
Klaus Hering
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.)
Karl Mayer Textilmaschinenfabrik GmbH
Original Assignee
Karl Mayer Textilmaschinenfabrik GmbH
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 Karl Mayer Textilmaschinenfabrik GmbH filed Critical Karl Mayer Textilmaschinenfabrik GmbH
Publication of EP1070163A2 publication Critical patent/EP1070163A2/fr
Application granted granted Critical
Publication of EP1070163B1 publication Critical patent/EP1070163B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D37/00—Circular looms

Definitions

  • the invention relates to a drive device for the partial shafts of circular looms, on which the partial shafts are driven in opposite directions in pairs and are guided parallel to each other, on which the partial shafts of each pair are lower Belt sections are assigned, at least one of which is by means of a guide roller is guided, and on which the band sections of a pair of partial shafts assigned a drive lever swinging around a frame-fixed bearing is connected to these belt sections via at least one coupling and the at least one sensing roller for interacting with a globiod curve possesses, which is rotatably driven about the vertical axis of the circular loom is.
  • a drive device is u. a. by U.S. Patent 4,579,149 known.
  • the partial shafts interacting in pairs are on their upper Ends connected with a band. This tape is over an upper one Deflection pulley guided. At both ends there are lower ones at the lower end Band sections attached, the outer one at a distance below the shed is guided around a lower guide roller.
  • the two lower band sections are by means of a partially flexible coupling attached to a radially outward arm of a drive lever.
  • the Drive lever has between the plane of movement of the partial shafts and the axis the machine its fixed bearing.
  • On a second, inward facing The arm of the drive lever has a feeler roller rotatably mounted about a radial axis. This tracer roller works with a globoid curve around the vertical axis of the circular knitting machine is guided and driven.
  • Such a drive device can be produced quite inexpensively.
  • the large forces and the unsatisfactory transmission angles on the globoid curve are problematic.
  • the large translations between the globoid curve and the partial shafts and the large increases in the curves on the globoid curve lead to high wear at the necessary speeds. It was usually helped to keep the subject height within limits. However, this also forced the diameter of the coils on the contactors to be limited.
  • An additional spreading of the compartments during the passage of the shooter leads to a higher power requirement and to a strong heating of the warp threads. Excessive heating of the warp threads is highly undesirable.
  • the molecular structures of the threads change at certain high temperatures. These threads then lose their necessary high strength.
  • Such a drive device is therefore not suitable for further increasing the productivity of the circular loom.
  • US Pat. No. 4,821,778 has disclosed a somewhat modified drive device for a pair of partial shafts on circular looms.
  • One of the lower band sections is connected in the region of an elongated run below the shed with a lifting rod which extends in the plane of movement of a partial shaft.
  • This lifting rod has a carriage at its lower end.
  • the slide carries a feeler roller that engages directly in a cylindrical groove curve. With such a design, the groove curve is less stressed.
  • the much greater overall height is disadvantageous.
  • the operation of the machine is significantly more difficult due to the high position of the shed.
  • the cost of guiding the carriage with the lifting rod is considerable because of the large number of similar drive devices in a circular loom. This means that such a device is also unsuitable for solving the problems of the present day - higher productivity with good operability and with a simple and low-maintenance machine construction.
  • the Austrian patent 371 846 has set itself the goal of reducing the extreme height of the machine. It is proposed here that the entire bands - including the strand sections - be flexibly designed for the up and down movements of the strand eyelets for the purpose of forming a shed. With such an arrangement, the overall height of the machine can be reduced, but the quality of the shed formation and the reliability of the guiding of all the warp threads is adversely affected. Such an implementation has not prevailed.
  • the cylindrical drive curve for the flexible belts is arranged directly below the compartment level, within the area of the two lower belt guides. The then shorter carriage for guiding the feeler rollers reduces the costs and the size of the masses to be moved.
  • the partial shafts are guided and driven in a plane inclined upward and outward at approximately 45 °.
  • the opposing partial shafts are connected to an upper band section which is tensioned in the usual way around an upper deflection roller.
  • the lower belt sections are guided around a drive wheel. They are permanently connected to the circumference of the drive wheel by a coupling.
  • the drive wheel in turn is driven by a second belt transmission.
  • the drive wheel has a second drive pulley with a smaller diameter.
  • a carriage is guided in an outwardly displaced, vertically guided section of the second belt, which is moved up and down by a cylindrical cam drum.
  • the height of the drum curve is significantly reduced by the gear ratio provided.
  • the compartment used in this context inclined 45 ° outwards and upwards, improves the usability of the machine.
  • the conditions for the running of the warp threads and for the running and the size of the shooters in the compartment are made much more favorable.
  • the drum curve can have a relatively large diameter.
  • the increases in the curves on the drum curve are flat and lead to good transmission ratios.
  • a disadvantage of this design is the somewhat higher outlay for the second belt drive and for guiding the slide with the feeler rollers and the coupling for each pair of shafts.
  • the object of the present invention is to provide a drive device to create the type mentioned, in which the forces on the curve at low Level can be kept at which the cost of the drive elements are low and which allows a low operating height.
  • This drive device should allow a large compartment opening without the warp threads through Spreading elements are additionally loaded.
  • the object is achieved in a simple manner by the features of claim 1.
  • the arrangement of the drive lever predominantly outside the plane of movement of the inner partial shafts of each pair enables an optimal assignment of the coupling to the belt sections on the one hand and the feeler roller of the drive lever to the drive curve in the center of the machine on the other hand.
  • the large diameter of the globoid curve allows flat curve increases without the movement necessarily having to be translated. In the event that a translation is desired, no additional gear links are required.
  • the size of the compartment opening can be determined in the usual framework solely by the appropriate choice of the dimensions of the elements.
  • the overall height of the machine and thus the operating height can be kept at a low level.
  • the drive device has few and simple parts.
  • the Globiod curve can be produced on modern machine tools with reasonable effort.
  • the lifespan of most components is long because extreme loads are basically avoided.
  • the lower load also offers opportunities for a further increase in the performance of the working speed of the machine.
  • the embodiment according to claim 2 enables relatively flat increases in the globoid curve. It is particularly suitable for an embodiment in which the mass of the drive lever is relatively high.
  • the design according to claim 3 is recommended if the masses in the area of the drive lever are relatively small. 4 allows clear and unambiguous movement conditions of all moving elements.
  • the drive arrangement according to claim 5 allows the moving masses of the drive lever to be minimized.
  • the features of claim 6 lead to a high stability of the drive unit with good operability of all drive elements.
  • the effective radius of the globoid curve can be increased. This allows the slopes of the globoid curve to be made flat. The elements designed in this way are easily accessible for operation and maintenance.
  • the embodiment according to claim 7 enables the device to be easily adapted to the conditions of a sloping compartment.
  • the independent claim 8 defines a drive device specially designed with an inclined shed which also fulfills the task set out above.
  • Claim 9 describes an advantageous embodiment of this drive device according to Claim 8. The advantages consist in the use of a globoid curve with a large mean diameter.
  • the partial shaft drive shown in Fig. 1 is preferably provided for a circular loom, the shed of which is inclined upwards in the direction of the inner fabric stop edge.
  • the warp thread groups 11, 12 are alternately displaced into the two warp thread levels by means of the partial shafts known per se.
  • the shooter 4 is guided through the compartment thus opened in a manner known per se.
  • the warp thread sheet 11 is guided through the partial shaft 22, while the warp thread sheet 12 is guided through the eyelets of the strands of the partial shaft 21.
  • the partial shafts 21 and 22 are guided at an angle of approximately 45 ° along their movement planes 210 and 220, respectively.
  • the size of the specialist stroke should enable the guiding of a contactor 4 with a relatively large coil.
  • the partial shafts 21, 22 are connected to one another at their upper end by the upper band section 23.
  • This band section 23 wraps around the deflection roller 3 by 180 °.
  • the lower ends of the partial shafts 21, 22 are held and tensioned by the lower band sections 24, 25.
  • the lower band section 24 is guided via the guide roller 31 fixed to the frame onto the guide section 56 of the drive lever 5 up to the coupling 52 of the drive lever 5.
  • the belt section 25 partially wraps around the guide roller 32 and is guided from there onto the guide section 57 of the drive lever 5.
  • This lower band section 25 is held by the coupling 53 on the drive lever 5.
  • the drive lever 5 has its bearing 51 between the end sections of the two lower band sections 24, 25. This bearing 51 is fixed to the frame.
  • the drive lever 5 is designed as a segment in its upper region.
  • the curved section of the segment forms the guide sections 56, 57 for the two belt sections 24, 25 and is limited at the bottom by the couplings 52 and 53.
  • the traction roller bearing 54 is arranged between these couplings 52, 53, preferably detachably mounted.
  • This tracer roller bearing 54 carries two tracer rollers 55, which formally enclose the bead of the globoid curve 6 between them.
  • This globoid curve 6 extends below the circularly arranged shedding zone and is guided by the globoid cam carrier 60 around the vertical longitudinal axis 98 of the circular weaving machine and driven in rotation synchronously with the shooter drive by a corresponding drive device.
  • This arrangement has the advantage that the drive movement of the partial shafts 21, 22 can be realized in a compact height.
  • the globoid curve 6 can be arranged on a relatively large, medium radius - based on the vertical machine axis. All guide elements for the partial shafts 21, 22 are subject to stable guidance in each phase of their movement.
  • All drive elements are easily accessible from the operator side.
  • the size of the moving masses can be approximated to an absolutely necessary minimum with the appropriate design and choice of material.
  • the size of the specialist stroke can be designed by simple structural adjustment of the elements so that an optimal functioning of the machine is possible.
  • the embodiment according to FIG. 2 differs from the device according to FIG. 1 initially in that the shed 1 ′ to be formed here is aligned in the horizontal plane.
  • the warp thread groups 11 'and 12' are moved here by the partial shafts 21 ', 22'.
  • the planes of motion 210 ', 220' of the partial shafts 21 ', 22' are oriented essentially vertically.
  • the partial shafts 21 ', 22' are connected to one another by the upper band section 23 '.
  • This band section 23 ' is guided over the deflection roller 3'.
  • the lower band section 24 ' is again guided in the plane of movement 210' by the guide roller 33 and via the guide rollers 36 and 37 outside the drive lever 7 to the guide roller 38, which roughly affects the guide plane 220 '.
  • this band section 24 ' is then directed upwards again and is held by the coupling 72 pivotably mounted on the drive lever 7. From this coupling 72, the lower band section 25 'leads past the guide roller 34 to the lower end of the partial shaft 22'.
  • the drive lever 7 is guided to swing about the frame-fixed bearing 71.
  • This bearing 71 is preferably located between the guide areas of the lower band sections 24 'and 25'. At this point it should be pointed out that the bearing 71 can also be arranged outside the lower band section 24 '. In this case, sufficient space must be available for parts of the drive lever 7 to be able to grip the lower band section 24 'laterally at a free distance.
  • the globoid curve 8 is arranged very close to the plane of movement 220 'of the inner partial shaft 22'.
  • the radius of this globoid curve 8 is very large in relation to the vertical axis of the machine. In this way, relatively flat increases in the drive curve 8 are possible.
  • the globoid curve 8 is designed here as a groove curve.
  • a single feeler roller 75 of the drive lever 7 preferably engages in this groove curve 8.
  • the globoid curve 8 is attached to the globoid cam carrier 80 here. It is guided by the latter about the vertical machine axis 98 and driven in a manner known per se.
  • the advantage of this embodiment is that the moving masses of the drive lever 7 can be significantly reduced.
  • the bearings 71 are easily accessible for maintenance purposes. With such an embodiment, it is also conceivable that the lower band section 24 'can be guided in the movement plane 210' through the movement range of the drive lever 7. In this embodiment, however, the drive lever 7 should be designed such that it has a corresponding recess in the guide region of this band section 24 'and can grip around this band section laterally. You can also significantly reduce the number of guide or deflection rollers. In this case, the guide rollers 33 and 34 would only have securing functions. The guide rollers 36 and 37 are omitted and the guide roller 38 fulfills the function of a lower deflection roller. The latter should therefore be given an appropriate diameter.
  • FIG. 3 shows a drive device for the partial shafts 21, 22 of a circular weaving machine with an inward and upwardly inclined shed.
  • the lower belt sections 24 "and 25" are guided by the guide rollers 31 ' and 32 'deflected vertically downward, guided around the roller 38' and in the area of attack the clutch 92 connected to each other.
  • the feeler roller 95 has its bearing on an upward arm of this drive lever 9. It works with the globoid curve 96, which has its bearing on the curve carrier 97.
  • the globoid cam carrier 97 rotates about the vertical machine axis 98.
  • This version is particularly suitable for circular weaving machines in which, starting from drive means for the partial shafts with a horizontal shed, the inclination of the plane of movement 220, 210 of the partial shafts upwards and outwards would like to increase the length of the shed in front of the stop edge. In this way, space is created for larger coils in the contactors 4.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)

Claims (9)

  1. Dispositif d'entraínement pour les lames partielles de métiers à tisser circulaires,
    où les lames partielles (21, 22) sont parallèles et entraínées de manière opposée,
    où chaque paire des lames partielles (21, 22) est munie de segments de bande inférieurs (24, 25) dont au moins un est conduit par un galet- palpeur (32, 38), et
    où les segments de bande (24, 25) de chaque paire des lames partielles (21, 22) sont pourvus d'un levier de commande oscillant (5, 7) tournant autour d'un palier à support fixe (51, 71) qui est relié à ces segments de bande moyennant d'au moins un accouplement (52, 72) et qui est muni d'au moins un rouleau- danseur (55, 75) afin d'assurer l'action commune avec une vis globique à entraínement pivotant et tournant autour de l'axe vertical (98) du métier à tisser circulaire,
    caractérisé par le fait que le palier à support fixe (51; 71) du levier de commande (5; 7) est disposé hors du niveau de mouvement (220) de chaque lame partielle intérieure (22, 22'), et
    que le rouleau- danseur (55; 75) et un des accouplements (52, 53; 72) sont disposés sur le même côté du palier (51; 71).
  2. Dispositif d'entraínement selon la revendication 1, caractérisé par le fait que le rouleau- danseur (55) situé sur le levier de commande (5) est disposé de forme radiale à l'intérieur du rayon de mouvement de l'accouplement (52, 53), et
    que, sur les deux côtés du rouleau- danseur (55) est prévu un accouplement (52, 54) pour chaque segment de bande inférieur (24, 25) situé sur le levier de commande (5).
  3. Dispositif d'entraínement selon la revendication 1, caractérisé par le fait que le rouleau- danseur (75) du levier de commande (7) tourne sur un palier radial qui est situé hors de l'accouplement (72), et
    que les deux extrémités des segments de bande inférieurs (24', 25') sont fixées à l'accouplement unique (72).
  4. Dispositif d'entraínement selon la revendication 1 et selon une des revendications 2 ou 3,
    caractérisé par le fait que des éléments de guidage (56, 57; 34, 38) sont disposés sur les segments de bande inférieurs (24; 24', 25; 25) et à proximité du rayon de mouvement de l'accouplement (52, 53; 72).
  5. Dispositif d'entraínement selon la revendication 4, caractérisé par le fait que ces éléments de guidage constituent des segments de guidage arqués (56, 57) situés sur le levier de commande (5), ceux-ci étant contigus à l'accouplement correspondante (52, 53) et étant dirigés vers le point de contact du segment de bande (24, 25) correspondante.
  6. Dispositif d'entraínement selon la revendication 4, caractérisé par le fait que les éléments de guidage sont conçus en tant que galets- palpeurs (34, 38) tournant sur paliers à support fixe, dont le point de déroulement tangentiel se trouve, en position centrale du levier de commande (7), à peu près verticalement au-dessus du rayon de l'accouplement correspondante (72).
  7. Dispositif d'entraínement selon la revendication 1, caractérisé par le fait que des galets- palpeurs à support fixe (31, 32) sont prévus pour chaque segment de bande inférieur (24, 25), ces galets- palpeurs étant contigus au niveau de mouvement de leurs lames partielles (21, 22), et
    que les accouplements (52, 53) situés sur le levier de commande (5) sont munis, sur les deux côtés du rouleau- danseur (55), d'arcs- conducteur (56, 57) pour les segments de bande (24, 25).
  8. Dispositif d'entraínement pour les lames partielles de métiers à tisser circulaires,
    où les lames partielles (21, 22) sont entraínées par paire et de manière opposée, celles-ci étant conduites en parallèle et sur le même niveau,
    où chaque paire des lames partielles (21, 22) est munie de segments de bande inférieurs (25") dont au moins un est conduit par un galet- palpeur (38'), et
    où les segments de bande de chaque paire des lames partielles (21, 22) sont pourvus d'un levier de commande oscillant (9) tournant autour d'un palier à support fixe (91) qui est doté, à l'écart de son palier à support fixe (91), d'un palier pour un rouleau- danseur (95), et qui est relié par au moins un accouplement aux segments de bande (24", 25"). Ce levier de commande est entraíné directement ou moyennant des bielles d'accouplement par une commande à cames se composant d'une vis qui tourne autour de l'axe vertical (98) du métier à tisser circulaire et d'au moins un rouleau-danseur (95) disposé sur le levier de commande (9), caractérisé par le fait que les lames partielles (21, 22) sont conduites sur un niveau incliné vers le haut et vers l'extérieur,
    que le levier de commande oscillant est conçu en tant que levier de commande (9) angulaire, et
    que la vis à entraínement pivotant constitue une vis globique (96) disposée sur le front de son support qui est adaptée à la voie de mouvement du rouleau- danseur (95).
  9. Dispositif d'entraínement selon la revendication 8, caractérisé par le fait que chaque segment de bande inférieur (24", 25") est muni, directement au-dessous du rayon de mouvement des lames partielles (21, 22), d'un rouleau- danseur (31', 32')
    qui, à l'extérieur, sont contigus au niveau de mouvement des lames partielles (21, 22) et
    qui sont entortillés, au moins en partie, par les segments de bande inférieurs (24", 25"), et
    que l'accouplement (92) situé entre le levier de commande (9) et les segments de bande inférieurs (24", 25") est disposé au-dessous de ces rouleaux-danseur (31', 32').
EP99936242A 1998-04-08 1999-04-03 Dispositif d'entrainement pour les lames partielles de metiers a tisser circulaires Expired - Lifetime EP1070163B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19815821 1998-04-08
DE19815821A DE19815821C1 (de) 1998-04-08 1998-04-08 Antriebsvorrichtung für die Teilschäfte von Rundwebmaschinen
PCT/DE1999/001343 WO1999051805A2 (fr) 1998-04-08 1999-04-03 Dispositif d'entrainement pour les lames partielles de metiers a tisser circulaires

Publications (2)

Publication Number Publication Date
EP1070163A2 EP1070163A2 (fr) 2001-01-24
EP1070163B1 true EP1070163B1 (fr) 2002-09-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99936242A Expired - Lifetime EP1070163B1 (fr) 1998-04-08 1999-04-03 Dispositif d'entrainement pour les lames partielles de metiers a tisser circulaires

Country Status (5)

Country Link
EP (1) EP1070163B1 (fr)
AT (1) ATE223526T1 (fr)
AU (1) AU5147299A (fr)
DE (1) DE19815821C1 (fr)
WO (1) WO1999051805A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103205847A (zh) * 2013-03-11 2013-07-17 安徽省沙克塑料机械设备有限公司 平面小凸轮圆织机
TWI776921B (zh) * 2017-07-21 2022-09-11 奧地利商史太林格有限公司 圓形織機

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101984167A (zh) * 2010-08-06 2011-03-09 屠洪明 高速塑料圆织机综带传动机构
CN109371538A (zh) * 2018-12-10 2019-02-22 温州亿科塑料机械有限公司 一种塑料圆织机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL35079C (fr) *
GB472943A (en) * 1935-12-13 1937-10-04 Juan Balsach Improvements in circular looms
US2811986A (en) * 1952-11-28 1957-11-05 Sagem Loom
CH601530A5 (fr) * 1975-09-04 1978-07-14 Indupack Ag
AT371846B (de) * 1981-11-25 1983-08-10 Chemiefaser Lenzing Ag Rundwebmaschine
CH660042A5 (de) * 1983-07-20 1987-03-13 Huemer Franz Xaver Rundwebmaschine.
AT387797B (de) * 1985-11-26 1989-03-10 Huang Ching Long Schussfadenwaechter fuer eine rundwebmaschine
AT385783B (de) * 1986-07-14 1988-05-10 Chemiefaser Lenzing Ag Rundwebmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103205847A (zh) * 2013-03-11 2013-07-17 安徽省沙克塑料机械设备有限公司 平面小凸轮圆织机
TWI776921B (zh) * 2017-07-21 2022-09-11 奧地利商史太林格有限公司 圓形織機

Also Published As

Publication number Publication date
WO1999051805A3 (fr) 1999-12-16
AU5147299A (en) 1999-10-25
WO1999051805A2 (fr) 1999-10-14
ATE223526T1 (de) 2002-09-15
EP1070163A2 (fr) 2001-01-24
DE19815821C1 (de) 1999-12-02

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