EP2072650A1 - Circular knitting machine with a swivel cutting blade to cut tubular knitwear - Google Patents

Circular knitting machine with a swivel cutting blade to cut tubular knitwear Download PDF

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Publication number
EP2072650A1
EP2072650A1 EP08020707A EP08020707A EP2072650A1 EP 2072650 A1 EP2072650 A1 EP 2072650A1 EP 08020707 A EP08020707 A EP 08020707A EP 08020707 A EP08020707 A EP 08020707A EP 2072650 A1 EP2072650 A1 EP 2072650A1
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EP
European Patent Office
Prior art keywords
drive
take
circular knitting
knitting machine
wheel
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Granted
Application number
EP08020707A
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German (de)
French (fr)
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EP2072650B1 (en
Inventor
Bernhard Schaut
Dietmar Tränkle
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Sipra Patententwicklungs und Beteiligungs GmbH
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Sipra Patententwicklungs und Beteiligungs GmbH
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Publication of EP2072650A1 publication Critical patent/EP2072650A1/en
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Publication of EP2072650B1 publication Critical patent/EP2072650B1/en
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B35/00—Details of, or auxiliary devices incorporated in, knitting machines, not otherwise provided for
    • D04B35/34—Devices for cutting knitted fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
    • D04B15/88—Take-up or draw-off devices for knitting products

Definitions

  • the invention relates to a circular knitting machine of the type specified in the preamble of claim 1.
  • a well-known circular knitting machine of this type ( DE-Gbm 74 24 526 ) is provided with a rotatable cutting blade, which serves the purpose of dividing the fabric tube produced by the circular knitting machine either between two wales or in the area of a so-called change point, within which the yarns forming the fabric tube are not processed into stitches, but only to floats.
  • the cutting blade so that it can be easily installed in different types of machines and its relative position to the fabric tube can be easily adjusted, connected to one end of a flexible shaft, the other end is provided with a drive wheel, which upon rotation of the needle cylinder on the Underside of a stationary support ring unrolls. As a result, the flexible shaft and with it also the cutting blade are automatically rotated in rotation of the needle cylinder.
  • the drive wheel of the flexible shaft may be formed in the known circular knitting machine as a friction wheel or as a gear.
  • the design as a friction wheel has the disadvantage that due to slippage or wear fluctuating speeds can result for the cutting blade. As long as it comes to separating the fabric hose in the area of floats, this is not a significant problem. However, if the fabric hose to be separated along areas where a conventional stitching takes place, especially at speeds of the cutting blade, which are smaller than that Withdrawal speed of the fabric tube corresponds to unclean or faulty cut edges.
  • the technical problem of the invention is the circular knitting machine of the type described in such a way that the flexible shaft is driven at a constant, preselected speed, the speed is easily changed and od provided with sprockets support rings od. Like. Be avoided can.
  • the invention has the advantage that the drive wheel of the flexible shaft is coupled at a suitable location with the drive means already present underneath the needle cylinder and intended to drive the take-off and / or take-up rollers. Your drive is therefore independent of the machine frame of the circular knitting attached support rings, and vice versa need the Support rings are not designed with regard to the drive shaft of the flexible shaft. As a result, the overall construction is significantly simplified. In addition, the drive shaft of the flexible shaft can be easily provided in an easily accessible place and therefore easily replaced if necessary. Additional drives for the cutting blade are unnecessary.
  • Fig. 1 and 2 show only necessary for understanding the invention components of a circular knitting machine, which essentially in the DE 101 20 736 C1 and DE 101 23 089 C1 is formed obvious manner, so that can be dispensed with further explanations for the expert.
  • Fig. 1 and 2 is a schematically indicated needle cylinder 1 in a not shown, supported on feet machine frame rotatably mounted about a machine axis 2 and connected to a likewise arranged in the machine frame drive.
  • the machine frame is near its bottom with a lower, later based on the Fig. 3 explained, provided stationary support ring on which a generally designated by the reference numeral 3 trigger and / or winding device is rotatably mounted about the machine axis 2.
  • the deduction and / or reeling device 3 serves the purpose of deducting and / or winding up a fabric tube produced by the circular knitting machine from the needle cylinder 1.
  • two take-off rolls 4 and additionally a take-up roll 5 are present.
  • the trigger and / or winding device 3 further includes a rotatably mounted on the lower support ring frame 6, the z. B. essentially consists of two connected by rods 7 and a bottom 8, spaced apart side walls 9 and 10 and a transverse to the rods 7 arranged arm 11 is formed.
  • the two take-off rolls 4 and the take-up roll 5 are arranged between the side walls 9, 10 and rotatably mounted with their ends in these.
  • the arm 11 is provided in an upper portion with a support plate 12 to which one ends of two transverse to the two rollers 4 and 5, mutually parallel connecting rods 14 are attached.
  • the opposite ends of the connecting rods 14 are connected by a further support plate 15.
  • the two support plates 12, 15 and the connecting rods 14 form a support frame for two parallel to the connecting rods 14 arranged with their ends rotatable in or fixed to the support plates 12 and 15 mounted Umlenkstangen 16 whose length is slightly larger than the width of the needle cylinder of the first withdrawn fabric tube is in its two-ply state.
  • Umlenkstangen 16 whose length is slightly larger than the width of the needle cylinder of the first withdrawn fabric tube is in its two-ply state.
  • support rod 17 which is extended to the vicinity of the opposite support plate 12 and at the free end of two V-shaped arranged, fixed or rotatably connected to the support rod 17 rods or rollers 18 are mounted.
  • z. B. arranged as a disc blade cutting blade 19, which is arranged between and directly above the deflection bars 16 and rotatably mounted on a holder 20 and adjustable as needed.
  • the holder 20 is z. B. slidably mounted and lockable on one of the connecting rods 14.
  • the cutting blade 19 is according to Fig. 1 and 2 firmly connected to one end of a shaft 21, which serves to put the cutting blade 19 in a rotating movement.
  • the rotation of the cutting blade 19 is usually carried out in the fabric withdrawal direction, because in a rotation opposite to the withdrawal direction there is a risk that the knitted fabric gets caught in the cutting blade 19 and is pulled along by this.
  • the needle cylinder 1 by means of drivers 22 drivingly with the frame 6, z. B. is connected to the side walls 9 and 10. A rotation of the needle cylinder 1 therefore has the consequence that the entire trigger and / or take-up device 3 rotates together with the needle cylinder 1 about the machine axis 2.
  • the single-ply web then passes into the area of the driven take-off roll 4, which pulls the fabric tube with the predetermined production speed of the circular knitting machine, and is then wound up by the also driven take-up roll 5.
  • this mode of operation can be achieved regardless of whether the needle cylinder 1 and with it the entire withdrawal and / or winding device 3 or a camshaft surrounding the needle cylinder 1 and knitting needles or the like are rotated about the machine axis 2 while the needle cylinder 1 and the trigger and / or winding device 3 remain at a standstill.
  • Fig. 1 and 4 in each case one end of the winding roller 5 and the drive shaft 26 is rotatably mounted in the side wall 9 and fixedly connected to one arranged on the outside of the side wall 9 wheel 28 and 29 respectively.
  • the two wheels 28, 29 may be directly connected by means of an endless, on the circumference of the wheels 28, 29 adjacent drive element.
  • an endless drive member 30 rests on the periphery of the wheel 28 and a rotatably mounted in the side wall 9 intermediate wheel 31, which has a coaxial with him wheel 32, a guide wheel 33 and another endless Drive element 34 is connected to the wheel 29 of the take-up roller 5.
  • the wheels 28, 29, 31, 32 and 33 are each pulleys, while the drive elements 30, 34 consist of these adjacent belt.
  • the described, consisting of the parts 28 to 34 arrangement also forms on the outside of the side wall 9 arranged drive means in the form of a first belt drive which drives the take-up roller 5 with a synchronous to the needle cylinder rotation speed.
  • Fig. 2 and 5 is attached to a rotatably mounted in the opposite side wall 10 of the end of the winding roller 5 arranged on the outside of the side wall 10 wheel 36.
  • a wheel 37 is fixed to a rotatably mounted in the side wall 10 of the end of one of the take-off rollers 4.
  • Another, on the outside of the side wall 10 rotatably mounted drive wheel 38 is attached to a remote from the cutting blade 19 end of the shaft 21, which is formed in the circular knitting machine according to the invention as a flexible shaft.
  • the three wheels 36, 37 and 38 are drivingly connected by means of an endless drive element 39 that at least partially wraps around them.
  • the drive element 39 still runs over some deflection wheels 40 to 43, whose position is chosen so that the drive element 39, the wheels 36, 37 and 38 is applied with a sufficiently large wrap angle, and one of which such.
  • the deflection wheel 33 ( Fig. 4 ) can be used at the same time for tensioning the drive element 39.
  • the reference numeral 44 is in Fig. 5 the bearing point for the second take-off roll 4 is shown, which is taken as usual by frictional engagement of the driven take-off roll 4 and the goods located in the gap between two take-off rolls 4.
  • the wheels 36 to 38 and 40 to 43 are each formed as pulleys, while the drive element 39 consists of a belt adjacent thereto.
  • the described, consisting of the parts 36 to 43 arrangement also forms a second, on the outside of the side wall 10 arranged belt drive, the one take-off roller 4 and also from Fig. 2 apparent, flexible shaft 21, each with a synchronous to the needle cylinder rotation speed drives when the drive shaft 26 and from this the take-up roller 5 are rotated.
  • the take-off rolls 4, the take-up roll 5 and the flexible shaft 21 are thus driven at speeds which depend on the knitting speed with which the fabric tube is produced.
  • the drive wheel 38 can be arranged on an easily accessible, largely independent of the position of the cutting blade 19 position of the side wall 10. Is the drive wheel 38 finally od by means of a locking screw. Like. Easily secured to the flexible shaft 21, then it can also be easily exchanged for another drive wheel 38, if a different speed for the cutting blade 19 is desired depending on the knitted fabric to be produced ,
  • the gear ratios are preferably chosen so that the cutting blade 19 always rotates at a peripheral speed which is slightly larger than the withdrawal speed of the fabric tube. This ensures a perfect cutting line.
  • the described belt drives can also be formed as chain drives by the various wheels are formed as sprockets and the drive elements 30, 34 and 39 as chains, in which case the belt drives are replaced by chain drives.
  • the wheels 28, 29, 31 to 33, 36 to 38 and 40 to 43 as shown as To form gears and the drive elements 30, 34 and 39 as with these engaged, internally toothed timing belt.
  • the drive wheel 38 of the flexible shaft 21 with the drive means may be coupled to the take-up roller 5.
  • the belt or chain drives and drive means may be provided, which are formed of mutually engaged gears.
  • the drive member 38 of the flexible shaft 21 is in operative connection with those drive means which serve the drive of the trigger and / or take-up, so that no additional components must be provided on the circular knitting machine.

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

Abstract

The machine has a frame (6) in which a take-off roller (4) and/or a rolling roller (5), drive unit (36) for driving the rollers, and a knife (19) for isolating a fabric tube are rotatably supported. A flexible shaft (21) is firmly connected with the knife and a drive wheel (38) to move the knife by rotation in revolutions based on cord speed. The drive wheel of the flexible shaft stands in effective connection with the drive unit for the take-off roller and/or rolling roller, and with a chain drive or belt drive of the drive unit.

Description

Die Erfindung betrifft eine Rundstrickmaschine der im Oberbegriff des Anspruchs 1 angegebenen Gattung.The invention relates to a circular knitting machine of the type specified in the preamble of claim 1.

Eine bekannte Rundstrickmaschine dieser Art ( DE-Gbm 74 24 526 ) ist mit einem drehbaren Schneidmesser versehen, das dem Zweck dient, den von der Rundstrickmaschine produzierten Warenschlauch entweder zwischen zwei Maschenstäbchen oder im Bereich einer sogenannten Wechselstelle aufzutrennen, innerhalb von welcher die den Warenschlauch bildenden Fäden nicht zu Maschen, sondern lediglich zu Flottungen verarbeitet werden. Das Schneidmesser ist, damit es auf einfache Weise in unterschiedliche Maschinentypen eingebaut und seine relative Lage zum Warenschlauch leicht verstellt werden kann, mit dem einen Ende einer biegsamen Welle verbunden, deren anderes Ende mit einem Antriebsrad versehen ist, das bei der Drehung des Nadelzylinders an der Unterseite eines stationären Tragrings abrollt. Dadurch werden die biegsame Welle und mit ihr auch das Schneidmesser bei der Drehung des Nadelzylinders automatisch in Umdrehungen versetzt.A well-known circular knitting machine of this type ( DE-Gbm 74 24 526 ) is provided with a rotatable cutting blade, which serves the purpose of dividing the fabric tube produced by the circular knitting machine either between two wales or in the area of a so-called change point, within which the yarns forming the fabric tube are not processed into stitches, but only to floats. The cutting blade, so that it can be easily installed in different types of machines and its relative position to the fabric tube can be easily adjusted, connected to one end of a flexible shaft, the other end is provided with a drive wheel, which upon rotation of the needle cylinder on the Underside of a stationary support ring unrolls. As a result, the flexible shaft and with it also the cutting blade are automatically rotated in rotation of the needle cylinder.

Das Antriebsrad der biegsamen Welle kann in der bekannten Rundstrickmaschine als Reibrad oder als Zahnrad ausgebildet sein. Die Ausbildung als Reibrad hat den Nachteil, dass sich aufgrund von Schlupf oder Verschleiß schwankende Drehzahlen für das Schneidmesser ergeben können. Solange es darum geht, den Warenschlauch im Bereich von Flottungen aufzutrennen, stellt dies kein wesentliches Problem dar. Soll der Warenschlauch dagegen längs Bereichen aufgetrennt werden, in denen eine übliche Maschenbildung stattfindet, können sich insbesondere bei Drehzahlen des Schneidmessers, die kleiner sind, als der Abzugsgeschwindigkeit des Warenschlauchs entspricht, unsaubere oder fehlerhafte Schnittkanten ergeben. Das ist insbesondere in Verbindung mit Rundstrickmaschinen unerwünscht, deren Abzugs- und/oder Aufwickelwalzen mit Mitteln zum Öffnen und Ausbreiten des aufgeschnittenen Warenschlauchs versehen sind, um eine einlagige Ware mit einer gegenüber dem Warenschlauch doppelten Breite abziehen und/oder aufwickeln zu können (z. B. EP 0 456 576 B1 , PCT WO 00/50678 , DE 101 20 736 C1 ). Ist das Antriebsrad der biegsamen Welle dagegen als Zahnrad ausgebildet, dann ist zwar sichergestellt, dass sich das Schneidmesser stets mit einer vorgewählten Drehzahl dreht. In diesem Fall müsste jedoch der stationäre Tragring mit einem umlaufenden Zahnkranz versehen werden, was einen erheblichen Kostenaufwand mit sich bringt. Außerdem ist in beiden Fällen das Anriebsrad schwer zugänglich, so dass es schwierig ist, die Drehzahl des Schneidmessers in Abhängigkeit von der Geschwindigkeit, mit der der Warenschlauch produziert wird, individuell einzustellen oder das Antriebsrad auszuwechseln.The drive wheel of the flexible shaft may be formed in the known circular knitting machine as a friction wheel or as a gear. The design as a friction wheel has the disadvantage that due to slippage or wear fluctuating speeds can result for the cutting blade. As long as it comes to separating the fabric hose in the area of floats, this is not a significant problem. However, if the fabric hose to be separated along areas where a conventional stitching takes place, especially at speeds of the cutting blade, which are smaller than that Withdrawal speed of the fabric tube corresponds to unclean or faulty cut edges. This is particularly undesirable in connection with circular knitting machines whose withdrawal and / or take-up rollers are provided with means for opening and spreading the cut-open fabric tube to a single-ply product with respect to the fabric tube deduct double width and / or be able to wind up (eg EP 0 456 576 B1 , PCT WO 00/50678 . DE 101 20 736 C1 ). If, however, the drive wheel of the flexible shaft is designed as a gear, then it is ensured that the cutting blade always rotates at a preselected speed. In this case, however, the stationary support ring would have to be provided with a circumferential sprocket, which brings a considerable cost. Moreover, in both cases, the Anriebsrad is difficult to access, so that it is difficult to adjust the speed of the cutting blade depending on the speed at which the fabric tube is produced, individually or replace the drive wheel.

Bei Rundstrickmaschinen der zuletzt genannten Art ist es daher üblich, das Schneidmesser mit einem separaten Motor anzutreiben, der zwar ebenfalls schwer zugänglich im Maschinengestell angeordnet ist, aber von außen her mit elektrischen Mitteln auf unterschiedliche Drehzahlen eingestellt werden kann. Allerdings erhöhen derartige Motoren den konstruktiven Aufwand und erschweren eine exakte Einstellung der Lage des Schneidmessers. Die Anwendung einer biegsamen Welle hätte demgegenüber Vorteile.In circular knitting machines of the latter type, it is therefore customary to drive the cutting blade with a separate motor, which is indeed also difficult to access arranged in the machine frame, but can be adjusted from the outside by electrical means to different speeds. However, such motors increase the design complexity and complicate an exact adjustment of the position of the cutting blade. The use of a flexible shaft on the other hand would have advantages.

Ausgehend davon besteht das technische Problem der Erfindung darin, die Rundstrickmaschine der eingangs bezeichneten Gattung so auszubilden, dass die biegsame Welle mit einer konstanten, vorgewählten Drehzahl angetrieben wird, die Drehzahl auf einfache Weise veränderbar ist und mit Zahnkränzen versehene Tragringe od. dgl. vermieden werden können.Based on this, the technical problem of the invention is the circular knitting machine of the type described in such a way that the flexible shaft is driven at a constant, preselected speed, the speed is easily changed and od provided with sprockets support rings od. Like. Be avoided can.

Gelöst wird dieses Problem mit den kennzeichnenden Merkmalen des Anspruchs 1.This problem is solved by the characterizing features of claim 1.

Die Erfindung bringt den Vorteil mit sich, dass das Antriebsrad der biegsamen Welle an einer geeigneten Stelle mit den ohnehin bereits unterhalb des Nadelzylinders vorhandenen, zum Antrieb der Abzugs- und/oder Aufwickelwalzen bestimmten Antriebsmitteln gekoppelt wird. Ihr Antrieb ist daher unabhängig von am Maschinengestell der Rundstrickmaschine angebrachten Tragringen, und umgekehrt brauchen die Tragringe nicht im Hinblick auf das Antriebsrad der biegsamen Welle gestaltet werden. Dadurch ist die Gesamtkonstruktion wesentlich vereinfacht. Außerdem kann das Antriebsrad der biegsamen Welle ohne weiteres an einer leicht zugänglichen Stelle vorgesehen und daher bei Bedarf leicht ausgewechselt werden. Zusätzliche Antriebe für das Schneidmesser sind entbehrlich.The invention has the advantage that the drive wheel of the flexible shaft is coupled at a suitable location with the drive means already present underneath the needle cylinder and intended to drive the take-off and / or take-up rollers. Your drive is therefore independent of the machine frame of the circular knitting attached support rings, and vice versa need the Support rings are not designed with regard to the drive shaft of the flexible shaft. As a result, the overall construction is significantly simplified. In addition, the drive shaft of the flexible shaft can be easily provided in an easily accessible place and therefore easily replaced if necessary. Additional drives for the cutting blade are unnecessary.

Weitere vorteilhafte Merkmale der Erfindung ergeben sich aus den Unteransprüchen.Further advantageous features of the invention will become apparent from the dependent claims.

Die Erfindung wird nachfolgend in Verbindung mit den beiliegenden Zeichnungen an einem Ausführungsbeispiel näher erläutert. Es zeigen:

  • Fig. 1 eine schematische, perspektivische Ansicht einer Rundstrickmaschine mit einer erfindungsgemäß angetriebenen, biegsamen Welle, wobei sich eine Abzugs- und Aufwickelvorrichtung in einer ersten Drehstellung befindet;
  • Fig. 2 eine schematische Ansicht entsprechend Fig. 1, wobei sich jedoch die Abzugs- und Aufwickelvorrichtung in einer zweiten Drehstellung befindet;
  • Fig. 3 schematisch eine Antriebswelle für die Abzugs- und/oder Aufwickelvorrichtung nach Fig. 1 und 2;
  • Fig. 4 eine vergrößerte Vorderansicht einer ersten, in Fig. 1 sichtbaren Seitenwand eines Gestells der Abzugs- und/oder Aufwickelvorrichtung; und
  • Fig. 5 eine vergrößerte Vorderansicht einer zweiten, in Fig. 2 sichtbaren Seitenwand des Gestells der Abzugs- und/oder Aufwickelvorrichtung.
The invention will be explained in more detail below in connection with the accompanying drawings of an embodiment. Show it:
  • Fig. 1 a schematic, perspective view of a circular knitting machine with a driven according to the invention, flexible shaft, with a trigger and take-up device is in a first rotational position;
  • Fig. 2 a schematic view accordingly Fig. 1 but with the trigger and take-up device in a second rotational position;
  • Fig. 3 schematically a drive shaft for the trigger and / or take-up after Fig. 1 and 2 ;
  • Fig. 4 an enlarged front view of a first, in Fig. 1 visible side wall of a frame of the trigger and / or reeling device; and
  • Fig. 5 an enlarged front view of a second, in Fig. 2 visible side wall of the frame of the trigger and / or reeling device.

Fig. 1 und 2 zeigen nur die zum Verständnis der Erfindung notwendigen Bauteile einer Rundstrickmaschine, die im Wesentlichen in der aus DE 101 20 736 C1 und DE 101 23 089 C1 ersichtlichen Weise ausgebildet ist, so dass auf weitergehende Erläuterungen für den Fachmann verzichtet werden kann. Fig. 1 and 2 show only necessary for understanding the invention components of a circular knitting machine, which essentially in the DE 101 20 736 C1 and DE 101 23 089 C1 is formed obvious manner, so that can be dispensed with further explanations for the expert.

Gemäß Fig. 1 und 2 ist ein schematisch angedeuteter Nadelzylinder 1 in einem nicht dargestellten, auf Füßen abgestützten Maschinengestell um eine Maschinenachse 2 drehbar gelagert und mit einem ebenfalls im Maschinengestell angeordneten Antrieb verbunden. Das Maschinengestell ist nahe seinem Boden mit einem unteren, später anhand der Fig. 3 erläuterten, stationären Tragring versehen, auf dem eine allgemein mit dem Bezugszeichen 3 bezeichnete Abzugs- und/oder Aufwickelvorrichtung um die Maschinenachse 2 drehbar gelagert ist. Die Abzugs- und/oder Aufwickelvorrichtung 3 dient dem Zweck, einen von der Rundstrickmaschine hergestellten Warenschlauch vom Nadelzylinder 1 abzuziehen und/oder aufzuwickeln. Dabei ist es für die Zwecke der Erfindung gleichgültig, ob die Abzugs- und/oder Aufwickelvorrichtung nur wenigstens eine Abzugswalze 4 oder nur eine Aufwickelwalze 5 oder beides enthält, um den Warenschlauch nur abzuziehen, nur aufwickeln und/oder abzuziehen und aufzuwickeln, wie dem Fachmann allgemein bekannt ist. Im Ausführungsbeispiel sind zwei Abzugswalzen 4 und zusätzlich eine Aufwickelwalze 5 vorhanden.According to Fig. 1 and 2 is a schematically indicated needle cylinder 1 in a not shown, supported on feet machine frame rotatably mounted about a machine axis 2 and connected to a likewise arranged in the machine frame drive. The machine frame is near its bottom with a lower, later based on the Fig. 3 explained, provided stationary support ring on which a generally designated by the reference numeral 3 trigger and / or winding device is rotatably mounted about the machine axis 2. The deduction and / or reeling device 3 serves the purpose of deducting and / or winding up a fabric tube produced by the circular knitting machine from the needle cylinder 1. It is immaterial for the purposes of the invention, whether the trigger and / or take-up only at least one take-off roll 4 or only a take-up roll 5 or both, to only deduct the fabric hose, only wind and / or withdraw and wind up, as the expert is well known. In the exemplary embodiment, two take-off rolls 4 and additionally a take-up roll 5 are present.

Die Abzugs- und/oder Aufwickelvorrichtung 3 enthält ferner ein auf dem unteren Tragring drehbar gelagertes Gestell 6, das z. B. im Wesentlichen aus zwei durch Stangen 7 und einen Boden 8 verbundenen, mit Abstand voneinander angeordneten Seitenwänden 9 und 10 und einem quer zu den Stangen 7 angeordneten Arm 11 gebildet ist. Die beiden Abzugswalzen 4 und die Aufwickelwalze 5 sind zwischen den Seitenwänden 9, 10 angeordnet und mit ihren Enden drehbar in diesen gelagert. Der Arm 11 ist in einem oberen Abschnitt mit einer Stützplatte 12 versehen, an der die einen Enden von zwei quer zu den beiden Walzen 4 und 5 erstreckten, zueinander parallelen Verbindungsstangen 14 befestigt sind. Die entgegengesetzten Enden der Verbindungsstangen 14 sind durch eine weitere Stützplatte 15 verbunden. Die beiden Stützplatten 12, 15 und die Verbindungsstangen 14 bilden ein Stützgerüst für zwei parallel zu den Verbindungsstangen 14 angeordnete, mit ihren Enden drehbar in oder fest an den Stützplatten 12 und 15 montierte Umlenkstangen 16, deren Länge etwas größer als die Breite des vom Nadelzylinder 1 abgezogenen Warenschlauchs in seinem zweilagigen Zustand ist. Außerdem ist an der Stützplatte 15 des beschriebenen Stützgerüsts eine ebenfalls zu den Verbindungsstangen 14 parallele und unterhalb von den Umlenkstangen 16 angeordnete Tragstange 17 befestigt, die bis in die Nähe der gegenüber liegenden Stützplatte 12 erstreckt ist und an deren freiem Ende zwei V-förmig angeordnete, fest oder drehbar mit der Tragstange 17 verbundene Stangen oder Walzen 18 montiert sind.The trigger and / or winding device 3 further includes a rotatably mounted on the lower support ring frame 6, the z. B. essentially consists of two connected by rods 7 and a bottom 8, spaced apart side walls 9 and 10 and a transverse to the rods 7 arranged arm 11 is formed. The two take-off rolls 4 and the take-up roll 5 are arranged between the side walls 9, 10 and rotatably mounted with their ends in these. The arm 11 is provided in an upper portion with a support plate 12 to which one ends of two transverse to the two rollers 4 and 5, mutually parallel connecting rods 14 are attached. The opposite ends of the connecting rods 14 are connected by a further support plate 15. The two support plates 12, 15 and the connecting rods 14 form a support frame for two parallel to the connecting rods 14 arranged with their ends rotatable in or fixed to the support plates 12 and 15 mounted Umlenkstangen 16 whose length is slightly larger than the width of the needle cylinder of the first withdrawn fabric tube is in its two-ply state. In addition, on the support plate 15 of the scaffold described also parallel to the connecting rods 14 and below attached to the guide rods 16 arranged support rod 17 which is extended to the vicinity of the opposite support plate 12 and at the free end of two V-shaped arranged, fixed or rotatably connected to the support rod 17 rods or rollers 18 are mounted.

Weiterhin ist in dem Gestell 6 an einer der Stützplatte 15 nahen Stelle ein drehbares, z. B. als Scheibenmesser ausgebildetes Schneidmesser 19 angeordnet, das zwischen und direkt oberhalb der Umlenkstangen 16 angeordnet und an einer Halterung 20 drehbar und bei Bedarf verstellbar gelagert ist. Die Halterung 20 ist z. B. auf einer der Verbindungsstangen 14 verschiebbar und feststellbar befestigt. Das Schneidmesser 19 ist gemäß Fig. 1 und 2 mit dem einen Ende einer Welle 21 fest verbunden, die dazu dient, das Schneidmesser 19 in eine rotierende Bewegung zu versetzen. Die Drehung des Schneidmessers 19 erfolgt in der Regel in Warenabzugsrichtung, weil bei einer Drehung entgegengesetzt zur Abzugsrichtung die Gefahr besteht, dass sich die Strickware im Schneidmesser 19 verhakt und von diesem mitgezogen wird.Furthermore, in the frame 6 at one of the support plate 15 near a rotatable location, z. B. arranged as a disc blade cutting blade 19, which is arranged between and directly above the deflection bars 16 and rotatably mounted on a holder 20 and adjustable as needed. The holder 20 is z. B. slidably mounted and lockable on one of the connecting rods 14. The cutting blade 19 is according to Fig. 1 and 2 firmly connected to one end of a shaft 21, which serves to put the cutting blade 19 in a rotating movement. The rotation of the cutting blade 19 is usually carried out in the fabric withdrawal direction, because in a rotation opposite to the withdrawal direction there is a risk that the knitted fabric gets caught in the cutting blade 19 and is pulled along by this.

Zu erwähnen ist schließlich noch, dass der Nadelzylinder 1 mit Hilfe von Mitnehmern 22 antriebsmäßig mit dem Gestell 6, z. B. mit dessen Seitenwänden 9 und 10 verbunden ist. Eine Drehung des Nadelzylinders 1 hat daher zur Folge, dass sich die gesamte Abzugs- und/oder Aufwickelvorrichtung 3 zusammen mit dem Nadelzylinder 1 um die Maschinenachse 2 dreht.Finally, it should be mentioned that the needle cylinder 1 by means of drivers 22 drivingly with the frame 6, z. B. is connected to the side walls 9 and 10. A rotation of the needle cylinder 1 therefore has the consequence that the entire trigger and / or take-up device 3 rotates together with the needle cylinder 1 about the machine axis 2.

Beim Betrieb der beschriebenen, insoweit bekannten Rundstrickmaschine ( DE 101 20 736 C1 , DE 101 23 089 C1 ) wird der vom rotierenden Nadelzylinder 1 kommende Warenschlauch zunächst in zwei parallelen Lagen durch die beiden Umlenkstangen 16 gezogen, wobei er längs einer zu seinen Maschenstäbchen parallelen Linie vom rotierenden Schneidmesser 19 aufgeschnitten wird. Unmittelbar danach gelangt der aufgetrennte Abschnitt des Warenschlauchs in den Bereich der V-förmig angeordneten Walzen 18, wodurch er allmählich ausgebreitet wird, bis er beim Erreichen der freien Enden der Walzen 18 eine einlagige, im Wesentlichen ebene Bahn bildet, deren Breite doppelt so groß wie der von den Umlenkstangen 16 erfasste, doppellagige Abschnitt ist. Die einlagige Warenbahn gelangt im Anschluss daran in den Bereich der angetriebenen Abzugswalze 4, die den Warenschlauch mit der von der Rundstrickmaschine vorgegebenen Produktionsgeschwindigkeit abzieht, und wird dann von der ebenfalls angetriebenen Aufwickelwalze 5 aufgewickelt. Diese Wirkungsweise kann im Übrigen unabhängig davon erzielt werden, ob der Nadelzylinder 1 und mit ihm die gesamte Abzugs- und/oder Aufwickelvorrichtung 3 oder ein den Nadelzylinder 1 umgebender, auf Stricknadeln od. dgl. einwirkender Schlossmantel und zugehörige Teile um die Maschinenachse 2 gedreht werden und dabei der Nadelzylinder 1 und die Abzugs- und/oder Aufwickelvorrichtung 3 im Stillstand verbleiben.During operation of the described, so far known circular knitting machine ( DE 101 20 736 C1 . DE 101 23 089 C1 ) coming from the rotating needle cylinder 1 fabric tube is first pulled in two parallel layers by the two deflection bars 16, wherein it is cut along a line parallel to its wales line from the rotating cutting blade 19. Immediately thereafter, the severed portion of the fabric tube enters the region of the V-shaped rollers 18, whereby it is gradually spread until it forms a single-layer, substantially flat track on reaching the free ends of the rollers 18, whose width is twice as large as the covered by the deflection rods 16, double-layered section is. The single-ply web then passes into the area of the driven take-off roll 4, which pulls the fabric tube with the predetermined production speed of the circular knitting machine, and is then wound up by the also driven take-up roll 5. Incidentally, this mode of operation can be achieved regardless of whether the needle cylinder 1 and with it the entire withdrawal and / or winding device 3 or a camshaft surrounding the needle cylinder 1 and knitting needles or the like are rotated about the machine axis 2 while the needle cylinder 1 and the trigger and / or winding device 3 remain at a standstill.

Zum Antrieb der verschiedenen Bauelemente dient in der Regel ein am Boden des Maschinengestells angeordneter, nur in Fig. 3 angedeuteter, stationärer Tragring 24, auf dem ein ebenfalls stationäres Kegelrad 25 befestigt ist. In dem drehbar auf dem Tragring 24 gelagerten Gestell 6 ist eine auch aus Fig. 1 ersichtliche Antriebswelle 26 drehbar gelagert, an der ein mit dem Kegelrad 25 im Eingriff befindliches Kegelritzel 27 befestigt ist. Beim Drehen des Gestells 6 um die Maschinenachse 2 rollt das Kegelritzel 27 an dem Kegelrad 25 ab, wodurch die Antriebswelle 26 zusätzlich zur Umlaufbewegung mit einer vorgewählten Drehzahl um ihre eigene Achse in Umdrehungen versetzt wird. Zwischen dem Kegelrad 25 und dem Kegelritzel 27 kann bei Bedarf ein Getriebe, insbesondere ein einstellbares Getriebe vorgesehen sein, um die Drehzahl der Antriebswelle 26 relativ zur Umlaufgeschwindigkeit des Gestells 6 einstellen zu können.To drive the various components is usually arranged at the bottom of the machine frame, only in Fig. 3 indicated, stationary support ring 24 on which a likewise stationary bevel gear 25 is fixed. In the rotatably mounted on the support ring 24 frame 6 is also made of Fig. 1 apparent drive shaft 26 rotatably mounted, on which a bevel gear 27 is engaged with the bevel gear 25 is mounted. When rotating the frame 6 about the machine axis 2, the bevel pinion 27 rolls off the bevel gear 25, whereby the drive shaft 26 is rotated in addition to the rotational movement at a preselected speed about its own axis in revolutions. If necessary, a gear, in particular an adjustable gear can be provided between the bevel gear 25 and the bevel pinion 27 to adjust the rotational speed of the drive shaft 26 relative to the rotational speed of the frame 6 can.

Gemäß Fig. 1 und 4 ist jeweils ein Ende der Aufwickelwalze 5 und der Antriebswelle 26 in der Seitenwand 9 drehbar gelagert und mit je einem an der Außenseite der Seitenwand 9 angeordneten Rad 28 bzw. 29 fest verbunden. Die beiden Räder 28, 29 können mittels eines endlosen, am Umfang der Räder 28, 29 anliegenden Antriebselements direkt verbunden sein. Im Ausführungsbeispiel ist dagegen eine indirekte Verbindung vorgesehen, indem ein endloses Antriebselement 30 am Umfang des Rades 28 und eines drehbar in der Seitenwand 9 gelagerten Zwischenrades 31 anliegt, das über ein mit ihm koaxiales Rad 32, ein Umlenkrad 33 und ein weiteres endloses Antriebselement 34 mit dem Rad 29 der Aufwickelwalze 5 verbunden ist.According to Fig. 1 and 4 in each case one end of the winding roller 5 and the drive shaft 26 is rotatably mounted in the side wall 9 and fixedly connected to one arranged on the outside of the side wall 9 wheel 28 and 29 respectively. The two wheels 28, 29 may be directly connected by means of an endless, on the circumference of the wheels 28, 29 adjacent drive element. In the embodiment, however, an indirect connection is provided by an endless drive member 30 rests on the periphery of the wheel 28 and a rotatably mounted in the side wall 9 intermediate wheel 31, which has a coaxial with him wheel 32, a guide wheel 33 and another endless Drive element 34 is connected to the wheel 29 of the take-up roller 5.

Im Ausführungsbeispiel sind die Räder 28, 29, 31, 32 und 33 jeweils Riemenscheiben, während die Antriebselemente 30, 34 aus diesen anliegenden Riemen bestehen. Die beschriebene, aus den Teilen 28 bis 34 bestehende Anordnung bildet außerdem an der Außenseite der Seitenwand 9 angeordnete Antriebsmittel in Form eines ersten Riementriebs, der die Aufwickelwalze 5 mit einer zur Nadelzylinderdrehung synchronen Drehzahl antreibt.In the embodiment, the wheels 28, 29, 31, 32 and 33 are each pulleys, while the drive elements 30, 34 consist of these adjacent belt. The described, consisting of the parts 28 to 34 arrangement also forms on the outside of the side wall 9 arranged drive means in the form of a first belt drive which drives the take-up roller 5 with a synchronous to the needle cylinder rotation speed.

Gemäß Fig. 2 und 5 ist an einem in der gegenüber liegenden Seitenwand 10 drehbar gelagerten Ende der Aufwickelwalze 5 ein an der Außenseite der Seitenwand 10 angeordnetes Rad 36 befestigt. In entsprechender Weise ist ein Rad 37 an einem in der Seitenwand 10 drehbar gelagerten Ende einer der Abzugswalzen 4 befestigt. Ein weiteres, an der Außenseite der Seitenwand 10 drehbar gelagertes Antriebsrad 38 ist an einem vom Schneidmesser 19 entfernten Ende der Welle 21 befestigt, die bei der erfindungsgemäßen Rundstrickmaschine als biegsame Welle ausgebildet ist. Die drei Räder 36, 37 und 38 sind mittels eines sie zumindest teilweise umschlingenden, endlosen Antriebselements 39 antriebsmäßig verbunden. Vorzugsweise läuft das Antriebselement 39 noch über einige Umlenkräder 40 bis 43, deren Lage so gewählt ist, dass das Antriebselement 39 den Rädern 36, 37 und 38 mit einem ausreichend großen Umschlingungswinkel anliegt, und von denen eines wie z. B. das Umlenkrad 33 (Fig. 4) gleichzeitig zum Spannen des Antriebselements 39 verwendet werden kann.According to Fig. 2 and 5 is attached to a rotatably mounted in the opposite side wall 10 of the end of the winding roller 5 arranged on the outside of the side wall 10 wheel 36. In a corresponding manner, a wheel 37 is fixed to a rotatably mounted in the side wall 10 of the end of one of the take-off rollers 4. Another, on the outside of the side wall 10 rotatably mounted drive wheel 38 is attached to a remote from the cutting blade 19 end of the shaft 21, which is formed in the circular knitting machine according to the invention as a flexible shaft. The three wheels 36, 37 and 38 are drivingly connected by means of an endless drive element 39 that at least partially wraps around them. Preferably, the drive element 39 still runs over some deflection wheels 40 to 43, whose position is chosen so that the drive element 39, the wheels 36, 37 and 38 is applied with a sufficiently large wrap angle, and one of which such. B. the deflection wheel 33 ( Fig. 4 ) can be used at the same time for tensioning the drive element 39.

Mit dem Bezugszeichen 44 ist in Fig. 5 die Lagerstelle für die zweite Abzugswalze 4 dargestellt, die wie üblich durch Reibschluss von der getriebenen Abzugswalze 4 bzw. der im Spalt zwischen beiden Abzugswalzen 4 befindlichen Ware mitgenommen wird.The reference numeral 44 is in Fig. 5 the bearing point for the second take-off roll 4 is shown, which is taken as usual by frictional engagement of the driven take-off roll 4 and the goods located in the gap between two take-off rolls 4.

Im Ausführungsbeispiel sind die Räder 36 bis 38 und 40 bis 43 jeweils als Riemenscheiben ausgebildet, während das Antriebselement 39 aus einem diesen anliegenden Riemen besteht. Die beschriebene, aus den Teilen 36 bis 43 bestehende Anordnung bildet außerdem einen zweiten, an der Außenseite der Seitenwand 10 angeordneten Riementrieb, der die eine Abzugswalze 4 und die auch aus Fig. 2 ersichtliche, biegsame Welle 21 mit je einer zur Nadelzylinderdrehung synchronen Drehzahl antreibt, wenn die Antriebswelle 26 und von dieser die Aufwickelwalze 5 gedreht werden. Die Abzugswalzen 4, die Aufwickelwalze 5 und die biegsame Welle 21 werden somit mit Drehzahlen angetrieben, die von der Strickgeschwindigkeit abhängt, mit welcher der Warenschlauch produziert wird.In the embodiment, the wheels 36 to 38 and 40 to 43 are each formed as pulleys, while the drive element 39 consists of a belt adjacent thereto. The described, consisting of the parts 36 to 43 arrangement also forms a second, on the outside of the side wall 10 arranged belt drive, the one take-off roller 4 and also from Fig. 2 apparent, flexible shaft 21, each with a synchronous to the needle cylinder rotation speed drives when the drive shaft 26 and from this the take-up roller 5 are rotated. The take-off rolls 4, the take-up roll 5 and the flexible shaft 21 are thus driven at speeds which depend on the knitting speed with which the fabric tube is produced.

Für die Zwecke der Erfindung ist bedeutsam, dass zum Antrieb der biegsamen Welle 21 lediglich das Antriebsrad 38 und gegebenenfalls das Umlenkrad 43 benötigt wird, da die übrigen Teile des zweiten Riementriebs ohnehin vorhanden sind. Dadurch ergibt sich eine äußerst preisgünstige Konstruktion. Außerdem kann das Antriebsrad 38 an einer leicht zugänglichen, von der Lage des Schneidmessers 19 weitgehend unabhängigen Stelle der Seitenwand 10 angeordnet werden. Ist das Antriebsrad 38 schließlich mittels einer Feststellschraube od. dgl. leicht lösbar an der biegsamen Welle 21 befestigt, dann kann es auch leicht gegen ein anderes Antriebsrad 38 ausgetauscht werden, falls in Abhängigkeit von der herzustellenden Strickware eine andere Drehzahl für das Schneidmesser 19 gewünscht wird.For the purposes of the invention it is significant that only the drive wheel 38 and possibly the deflection wheel 43 is required to drive the flexible shaft 21, since the remaining parts of the second belt drive are present anyway. This results in a very inexpensive construction. In addition, the drive wheel 38 can be arranged on an easily accessible, largely independent of the position of the cutting blade 19 position of the side wall 10. Is the drive wheel 38 finally od by means of a locking screw. Like. Easily secured to the flexible shaft 21, then it can also be easily exchanged for another drive wheel 38, if a different speed for the cutting blade 19 is desired depending on the knitted fabric to be produced ,

Die Übersetzungsverhältnisse werden vorzugsweise so gewählt, dass das Schneidmesser 19 stets mit einer Umfangsgeschwindigkeit rotiert, die etwas größer als die Abzugsgeschwindigkeit des Warenschlauchs ist. Dadurch wird eine einwandfreie Schnittlinie gewährleistet.The gear ratios are preferably chosen so that the cutting blade 19 always rotates at a peripheral speed which is slightly larger than the withdrawal speed of the fabric tube. This ensures a perfect cutting line.

Die Erfindung ist nicht auf das beschriebene Ausführungsbeispiel beschränkt, das auf vielfache Weise abgewandelt werden kann. Insbesondere ist klar, dass die beschriebenen Riementriebe auch als Kettentriebe ausgebildet werden können, indem die verschiedenen Räder als Kettenräder und die Antriebselemente 30, 34 und 39 als Ketten ausgebildet werden, in welchem Fall die Riementriebe durch Kettentriebe ersetzt sind. Alternativ kann aber auch vorgesehen sein, was derzeit als beste Lösung angesehen wird, die Räder 28, 29, 31 bis 33, 36 bis 38 und 40 bis 43 wie dargestellt als Zahnräder und die Antriebselemente 30, 34 und 39 als mit diesen im Eingriff befindliche, innen gezahnte Zahnriemen auszubilden. Weiter stellt der beschriebene Antrieb der biegsamen Welle 21 mit Hilfe der Antriebswelle 26, des ersten Riementriebs, der Aufwickelwalze 5 und des zweiten Riementriebs nur ein praktisches Ausführungsbeispiel dar. Tatsächlich könnten beide Riementriebe z. B. an einer der beiden Seitenwände 9 oder 10 angeordnet und dann auch durch einen einzigen Riementrieb ersetzt sein. Ferner könnte das Antriebsrad 38 der biegsamen Welle 21 mit den Antriebsmitteln (erster Riementrieb gemäß Fig. 4) für die Aufwickelwalze 5 gekoppelt sein. Weiter könnten anstelle der Riemen oder Kettentriebe auch Antriebsmittel vorgesehen sein, die aus miteinander im Eingriff stehenden Zahnrädern gebildet sind. Für die Zwecke der Erfindung ist insoweit nur bedeutsam, dass das Antriebselement 38 der biegsamen Welle 21 mit denjenigen Antriebsmitteln in Wirkverbindung steht, die dem Antrieb der Abzugs- und/oder Aufwickelwalze dienen, so dass keine zusätzlichen Bauelemente an der Rundstrickmaschine vorgesehen werden müssen. Schließlich versteht sich, dass die verschiedenen Merkmale auch in anderen als den beschriebenen und dargestellten Kombinationen angewendet werden können.The invention is not limited to the described embodiment, which can be modified in many ways. In particular, it is clear that the described belt drives can also be formed as chain drives by the various wheels are formed as sprockets and the drive elements 30, 34 and 39 as chains, in which case the belt drives are replaced by chain drives. Alternatively, however, can also be provided, which is currently considered to be the best solution, the wheels 28, 29, 31 to 33, 36 to 38 and 40 to 43 as shown as To form gears and the drive elements 30, 34 and 39 as with these engaged, internally toothed timing belt. Next, the drive described the flexible shaft 21 by means of the drive shaft 26, the first belt drive, the take-up roller 5 and the second belt drive is only a practical embodiment. In fact, both belt drives z. B. on one of the two side walls 9 or 10 and then be replaced by a single belt drive. Further, the drive wheel 38 of the flexible shaft 21 with the drive means (first belt drive according to Fig. 4 ) may be coupled to the take-up roller 5. Further, instead of the belt or chain drives and drive means may be provided, which are formed of mutually engaged gears. For the purposes of the invention is so far only significant that the drive member 38 of the flexible shaft 21 is in operative connection with those drive means which serve the drive of the trigger and / or take-up, so that no additional components must be provided on the circular knitting machine. Finally, it is understood that the various features may be applied in combinations other than those described and illustrated.

Claims (5)

Rundstrickmaschine zur Herstellung eines aufgetrennten Warenschlauchs, enthaltend: einen Nadelzylinder (1), ein Gestell (6), in dem wenigstens eine Abzugswalze (4) und/oder eine Aufwickelwalze (5), zu deren Antrieb bestimmte Antriebsmittel (28 bis 34; 36 bis 43) und ein zum Auftrennen des Warenschlauchs bestimmtes Schneidmesser (19) jeweils drehbar gelagert sind, und eine mit dem Schneidmesser (19) und einem Antriebsrad (38) fest verbundene, biegsame Welle (21), um das Schneidmesser (19) mit einer von der Strickgeschwindigkeit abhängigen Drehzahl in Umdrehungen zu versetzen, dadurch gekennzeichnet, dass das Antriebsrad (38) der biegsamen Welle (21) mit den Antriebsmitteln (28 bis 34; 36 bis 43) für die Abzugs- und/oder Aufwickelwalze (4, 5) in Wirkverbindung steht.Circular knitting machine for producing a severed fabric tube, comprising: a needle cylinder (1), a frame (6) in which at least one take-off roll (4) and / or take-up roll (5) drive means (28 to 34; 43) and a cutting knife (19) intended to sever the fabric tube are each rotatably mounted, and a flexible shaft (21) fixedly connected to the cutting knife (19) and a drive wheel (38) for cutting the cutting knife (19) with one of to enable the knitting speed dependent speed in revolutions, characterized in that the drive wheel (38) of the flexible shaft (21) with the drive means (28 to 34; 36 to 43) for the take-down and / or winding roller (4, 5) in Active compound is. Rundstrickmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Antriebsmittel (28 bis 34; 36 bis 43) einen Ketten- oder Riementrieb enthalten und das Antriebsrad (38) der biegsamen Welle (21) mit diesem Ketten- oder Riementrieb in Wirkverbindung steht.Circular knitting machine according to claim 1, characterized in that the drive means (28 to 34, 36 to 43) comprise a chain or belt drive and the drive wheel (38) of the flexible shaft (21) is in operative connection with this chain or belt drive. Rundstrickmaschine nach Anspruch 2, dadurch gekennzeichnet, dass sie eine Aufwickelwalze (5) und eine Abzugswalze (4) enthält, wobei die Aufwickelwalze (5) über einen ersten Ketten- oder Riementrieb (28 bis 34) mit einer Antriebswelle (26) und über einen zweiten Riementrieb (36 bis 43) mit der Abzugswalze (4) und dem Antriebsrad (38) der biegsamen Welle (21) in Wirkverbindung steht.Circular knitting machine according to claim 2, characterized in that it comprises a take-up roll (5) and a take-off roll (4), wherein the take-up roll (5) via a first chain or belt drive (28 to 34) with a drive shaft (26) and via a second belt drive (36 to 43) with the take-off roller (4) and the drive wheel (38) of the flexible shaft (21) is in operative connection. Rundstrickmaschine nach Anspruch 3, dadurch gekennzeichnet, dass die Aufwickelwalze (5) an einem Ende ein erstes, mit dem ersten Ketten- oder Riementrieb (28 bis 34) verbundenes Rad (29) und am anderen Ende ein zweites, mit dem zweiten Ketten- oder Riementrieb (36 bis 43) verbundenes Rad (36) aufweist.Circular knitting machine according to claim 3, characterized in that the take-up roller (5) at one end a first, with the first chain or belt drive (28 to 34) connected to the wheel (29) and at the other end a second, with the second chain or Belt drive (36 to 43) connected to the wheel (36). Rundstrickmaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass sie eine zwischen dem Nadelzylinder (1) und der Abzugs- und/oder Aufwickelwalze (4, 5) angeordnete, dem Schneidmesser (19) zugeordnete, zum Ausbreiten des aufgeschnittenen Warenschlauchs bestimmte Einrichtung (17, 18) enthält.Circular knitting machine according to one of claims 1 to 4, characterized in that it comprises a between the needle cylinder (1) and the take-off and / or take-up roll (4, 5) arranged, the cutting blade (19) associated, intended for spreading the cut fabric tube device (17, 18).
EP08020707A 2007-12-20 2008-11-28 Circular knitting machine with a swivel cutting blade to cut tubular knitwear Active EP2072650B1 (en)

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DE102007063339A DE102007063339A1 (en) 2007-12-20 2007-12-20 Circular knitting machine with a rotatable cutting knife for separating a fabric tube

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EP (1) EP2072650B1 (en)
JP (1) JP5453684B2 (en)
KR (1) KR20090067037A (en)
CN (1) CN101463528B (en)
AT (1) ATE509148T1 (en)
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ITBS20130076A1 (en) * 2013-05-28 2014-11-29 Santoni & C Spa CIRCULAR TEXTILE MACHINE FOR KNITWEAR TYPE ¿OPEN¿ WITH BASE WITH REDUCED DIMENSIONS
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WO2000050678A1 (en) 1999-02-23 2000-08-31 Vignoni S.R.L. A method and apparatus for stretching and collecting a knitted fabric produced by circular knitting machines
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CN104746229A (en) * 2015-04-07 2015-07-01 广东溢达纺织有限公司 Cropping mechanism of circular knitting machine and circular knitting machine
CN104746229B (en) * 2015-04-07 2016-08-24 广东溢达纺织有限公司 Circular knitting machine doffing mechanism and circular knitting machine

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KR20090067037A (en) 2009-06-24
JP2009150041A (en) 2009-07-09
US20090158781A1 (en) 2009-06-25
CN101463528B (en) 2013-08-28
US7882712B2 (en) 2011-02-08
EP2072650B1 (en) 2011-05-11
ATE509148T1 (en) 2011-05-15
DE102007063339A1 (en) 2009-06-25
TW200949035A (en) 2009-12-01
JP5453684B2 (en) 2014-03-26
TWI481755B (en) 2015-04-21
CN101463528A (en) 2009-06-24

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