EP1731649B1 - Hochbauende Hochgeschwindigkeitsgestrickabzugsvorrichtung mit Einrichtung zum Konstanthalten der Spannung im Gestrick - Google Patents

Hochbauende Hochgeschwindigkeitsgestrickabzugsvorrichtung mit Einrichtung zum Konstanthalten der Spannung im Gestrick Download PDF

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Publication number
EP1731649B1
EP1731649B1 EP05104851A EP05104851A EP1731649B1 EP 1731649 B1 EP1731649 B1 EP 1731649B1 EP 05104851 A EP05104851 A EP 05104851A EP 05104851 A EP05104851 A EP 05104851A EP 1731649 B1 EP1731649 B1 EP 1731649B1
Authority
EP
European Patent Office
Prior art keywords
shaft
fabric
wheel
take
transmission assembly
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.)
Not-in-force
Application number
EP05104851A
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English (en)
French (fr)
Other versions
EP1731649A1 (de
Inventor
Shih-Chi Chen
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.)
Pai Lung Machinery Mill Co Ltd
Original Assignee
Pai Lung Machinery Mill Co Ltd
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 Pai Lung Machinery Mill Co Ltd filed Critical Pai Lung Machinery Mill Co Ltd
Priority to EP05104851A priority Critical patent/EP1731649B1/de
Priority to ES05104851T priority patent/ES2382194T3/es
Priority to PL05104851T priority patent/PL1731649T3/pl
Priority to AT05104851T priority patent/ATE548491T1/de
Publication of EP1731649A1 publication Critical patent/EP1731649A1/de
Application granted granted Critical
Publication of EP1731649B1 publication Critical patent/EP1731649B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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 present invention relates to fabric take-up devices and more particularly to a high-speed high-stand fabric take-up device having an arrangement for applying same pressing force on fabric being wound around a take-up shaft such that a fabric roll with uniform tautness can be obtained around the shaft.
  • a take-up device In a knitting machine, a take-up device is typically employed to wind fabric in rolls.
  • One type of take-up device can wind fabric in rolls having a diameter of about 20 inches. It is not widely employed due to its small capacity.
  • the other type of take-up device which is more widely employed due to its higher capacity, can wind fabric rolls having a diameter of about 46 inches (i.e., fabric weight more than 100 kg).
  • the fabric is pliable in nature. Thus, there tends to be a waste of fabric in the winding process.
  • the fabric take-up apparatus 100 comprises two sets of friction mechanisms 110.
  • Each friction mechanism 110 has two operating arms 112 each having axles 112a and 112b both at the same side of and above an axis of the shaft 120 for taking up fabric.
  • a virtual line from one operating arm 112 to the other operating arm 112 is about perpendicular to a virtual line extended upward from the axis of the shaft 120 in the fabric winding process.
  • forces applied on the fabric 10 is provided by the weight of the edge of the friction rods 111.
  • the extent of the perpendicularity is almost 90 degrees as the fabric 10 continues to be wound around the shaft 120 (i.e., diameter of fabric 10 increases).
  • a force applied on the fabric 10 is provided by the weight of the whole friction rods 111.
  • the force applied on the fabric 10 is not constant in the fabric winding process.
  • the force applied on the fabric 10 is increasing in the process.
  • a balancing weight mechanism 130 is provided below the shaft 120.
  • the balancing weight mechanism 130 is adapted to provide same the pressing force on the fabric 10 being wound.
  • the provision of friction mechanisms 110 and balancing weight mechanism 130 may inevitably increase the manufacturing cost and complicate the components of the fabric take-up apparatus 100. Thus, the need for improvement still exists.
  • EP 0 591 988 A1 discloses a device for taking up fabric according to the preamble of claim 1.
  • the fabric take-up mechanism includes a bracket, a pair of side frame members, a bottom frame member, a bearing box and a plurality of rolls.
  • the bracket and the bottom frame member are disposed on the top and bottom of the frame members.
  • the bearing box is mounted below the frame members.
  • a Take-up roll and a driving roll are located between the frame members.
  • the Take-up roll is journaled for free rotation in bearings at opposite ends thereof mounted on the side frame members, and the driving roll is journaled for rotation at its opposite ends in bearings carried by mounting members which is connected with brackets through pivots.
  • a fabric is delivered to the take-up roll through the plurality of rolls that are driven by a motor and a plurality of gears.
  • the driving roll is also driven by a motor.
  • the motors are installed inside the roll and the take-up roll, respectively.
  • a proximity sensing device is mounted on the frame members, which determines the tension in the fabric through detecting the movement of a swing arm to change the rotation speed of the motors by a control means. Mounting the motors inside the rollers requires, however, a complicated mechanical configuration and electronic control.
  • US 6,000,246 discloses a take-up device including first and second vertical side panels, a cloth-transfer cylinder connected between the vertical side panels adjacent a top side of the vertical side panels, and two impression cylinders connected in parallel between the vertical side panels and peripherally disposed in contact with the cloth-transfer cylinder at two opposite sides for guiding a finished piece of knitted fabric over the cloth-transfer cylinder.
  • the cloth take-up cylinder is connected between the support arms.
  • a transmission shaft is coupled to a main bevel gear by an auxiliary bevel gear.
  • a gear train is coupled to the main bevel gear by another auxiliary bevel gear, and a belt transmission mechanism is mounted on the second vertical side panel.
  • GB 2 276 636 A discloses another take-up device for fabrics, including transmission assemblies disposed in vertical side boxes of the device. These transmission assemblies drive, however, only an upstream supply mechanism and a tensioning roller.
  • an angle of a friction rod from its initial inoperative position to its maximum operating position is much less than that of the prior art. This is because the weight of the whole friction rod is applied on the fabric being wound around a take-up shaft while the diameter of the fabric is increasing. Furthermore, the pressing force exerted by the friction rod on fabric is the same during the fabric take-up process. As a result, a fabric roll with uniform tautness can be obtained. Moreover, the constituent components of the fabric take-up device are simplified, resulting in a reduction in its manufacturing cost.
  • a device for taking up fabric from a knitting machine comprises all features according to claim 1 including two side boxes each including a projection formed on its side proximate top; a take-up shaft disposed across intermediate portions of the side boxes, the take-up shaft being adapted to wind fabric therearound; and a friction mechanism, which is U-shaped and includes two arms each having a first end and an opposite second end, said arms being pivotably supported at said first end, wherein a friction rod fixedly interconnects said second ends of the arms, the friction rod being disposed above the take-up shaft to contact the fabric wound therearound.
  • an angle from an initial inoperative position of the arms to a maximum operating position thereof is limited to a predetermined range as a diameter of the fabric is increasing, and a pressing force exerted by the friction rod on the fabric being wound around the take-up shaft is the same during the fabric take-up process.
  • a high-speed high-stand fabric take-up device 200 of high capacity in accordance with a preferred embodiment of the invention comprises two side boxes 210, a take-up shaft 220, a friction mechanism 230, a speed change mechanism 240, a first transmission assembly 250, a second transmission assembly 260, a third transmission assembly 270, a fourth transmission assembly 280, and a supply mechanism 290.
  • a take-up shaft 220 for a preferred embodiment of the invention.
  • a triangular projection 211 is formed on a side of the side box 210 proximate its top.
  • the take-up shaft 220 is provided across intermediate portions of the side boxes 210.
  • the take-up shaft 220 is adapted to wind fabric therearound.
  • the friction mechanism 230 is U-shaped and comprises two arms 231 each having a first end 231aand an opposite second end 231b, said arms 231 being pivotably supported at the projection 211, wherein a friction rod 232 fixedly interconnects the second ends 231 b of the arms 231.
  • the friction rod 232 is disposed above the take-up shaft 220 to contact the fabric wound therearound.
  • the speed change mechanism 240 is provided at a lower portion of the fabric take-up device 200 between bottoms of the side boxes 210.
  • the speed change mechanism 240 comprises a driving shaft 241 extended therethrough. Both ends of the driving shaft 241 are extended into the side boxes 210.
  • the first transmission assembly 250 is provided in one side box 210 and comprises lower and upper wheels 251 and 252, and a belt 253 running around the wheels 251 and 252.
  • the lower wheel 251 is fixedly connected to one end of the driving shaft 241 and the upper wheel 252 is fixedly connected to one end of the take-up shaft 220.
  • the speed change mechanism 240 is adapted to activate for rotating the driving shaft 241 and the lower wheel 251.
  • the upper wheel 252 turns by running the belt 253.
  • the take-up shaft 220 rotates. It is obvious to those skilled in the art that tautness of fabric wound around the take-up shaft 220 can be adjusted by adjusting the rotating speed of the take-up shaft 220. Also, adjustment of the rotating speed of the take-up shaft 220 can be carried out by controlling the speed change mechanism 240 and which is known in the art. Accordingly, further description thereof is omitted for purposes of brevity and convenience.
  • the supply mechanism 290 is provided across upper portions of the side boxes 210 and comprises a drive shaft 291 and two driven shafts 292 and 293.
  • the second transmission assembly 260 and the third transmission assembly 270 are provided in the other side box 210.
  • the fourth transmission assembly 280 is provided in the arm 231 proximate the other side box 210.
  • the speed change mechanism 240 is adapted to transmit motive force to the friction rod 232 through the second transmission assembly 260. Also, the speed change mechanism 240 is adapted to transmit motive force to the drive shaft 291 and the driven shafts 292 and 293 through the second transmission assembly 260 and the third transmission assembly 270.
  • the second transmission assembly 260 comprises four wheels 261, 262, 263, and 264, and a belt 265 running around the wheels 263 and 264.
  • the wheel 261 is fixedly connected to the other end of the driving shaft 241.
  • the wheels 262 and 263 are adapted to co-rotate.
  • the wheel 262 is driven by the wheel 261.
  • the wheel 264 is provided in a position higher than the take-up shaft 220.
  • the third transmission assembly 270 comprises two wheels 271 and 272, and a belt 273 running around the wheels 271, 272, and 264.
  • the wheel 271 is fixedly connected to the first end 231a of the arm 231.
  • the wheel 272 is fixedly connected to the first end 231a of the drive shaft 291.
  • the fourth transmission assembly 280 comprises a seventh wheel 281 and an eighth wheel 282, and a belt 283 running around the seventh wheels 281 and the eighth wheel 282.
  • the seventh wheel 281 is fixedly connected to the first end 231a of the arm 231.
  • the eighth wheel 282 is fixedly connected to the second end 231b of the arm 231 joining the friction rod 232.
  • the fourth transmission assembly 280 can be driven as the third transmission assembly 270 drives.
  • the speed change mechanism 240 can drive the driving shaft 241 to move the second transmission assembly 260, the third transmission assembly 270, and the fourth transmission assembly 280.
  • the speed change mechanism 240 transmits motive force to the friction rod 232 through the second transmission assembly 260.
  • the speed change mechanism 240 transmits motive force to the drive shaft 291 through the second transmission assembly 260 and the third transmission assembly 270.
  • Either end of the drive shaft 291 is formed as a drive wheel 294
  • either end of the driven shaft 292 is formed as a driven wheel 295
  • either end of the driven shaft 293 is formed as a driven wheel 296 respectively.
  • the drive wheel 294 has two opposite points on its periphery to be in contact with the driven wheels 295 and 296.
  • the driven wheels 295 and 296 can be driven as the drive wheel 294 rotates.
  • the driven shafts 292 and 293 can be driven as the drive shaft 291 rotates.
  • the arms 231 are provided above the take-up shaft 220. Also, for each arm 231 the first end 231ais pivotably supported by the projection 211 and the take-up shaft 220 has an axis 221 fixedly interconnecting the second ends 231 b of the arms 231.
  • an angle of the friction rod 232 from its initial inoperative position in FIG. 5A to its maximum operating position in FIG . 5B is less than that of the prior art discussed in FIGS. 1A and 1B .
  • pressing force exerted by the friction rod 232 on fabric 20 being wound around the take-up shaft 220 is the same during the fabric take-up process. As a result, a fabric roll with uniform tautness is obtained.
  • a balancing weight mechanism is eliminated. Also, only one friction mechanism 230 is provided. Thus, the constituent components of the fabric take-up device 200 are simplified, resulting in a reduction in its manufacturing cost.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (8)

  1. Vorrichtung zum Aufnehmen von Gestrick von einer Strickmaschine, umfassend:
    einen ersten Seitenkasten (210) und einen gegenüberliegend angeordneten zweiten Seitenkasten (210), die jeweils einen vorstehenden Abschnitt (211) aufweisen, der auf deren Seite nahe deren oberem Ende ausgebildet ist;
    eine Aufnahmeachse (220), die sich quer verlaufend zwischen Mittelabschnitten der Seitenkästen (210) erstreckt, wobei die Aufnahmeachse (220) ausgelegt ist, um darauf das Gestrick (20) aufzuspulen;
    einen Reibungsmechanismus (230) mit zwei Armen (231), die jeweils ein erstes Ende (231a) und ein gegenüber liegendes zweites Ende (231b) aufweisen, wobei die Arme (231) schwenkbeweglich auf dem ersten Ende (231a) gelagert sind, wobei eine Reibestange (232) mit den zweiten Enden (231b) verbindet, die oberhalb der Aufnahmeachse (220) angeordnet ist, um das darum aufgespulte Gestrick (20) zu berühren;
    einen Geschwindigkeits-Änderungsmechanismus (240), um die Drehbewegung einer Antriebswelle (241) zum Antreiben von Getriebeeinheiten anzutreiben; und
    eine Zuführeinheit (290), die an oberen Enden der Seitenkästen (210) angeordnet ist und eine Antriebsachse (291) zum Übergeben des von der Strickmaschine zugeführten Gestricks (20) aufweist;
    dadurch gekennzeichnet, dass die Getriebeeinheiten eine erste Getriebeeinheit (250), eine zweite Getriebeeinheit (260), eine dritte Getriebeeinheit (270) und eine vierte Getriebeeinheit (280) aufweisen, wobei
    die erste Getriebeeinheit (250) in dem ersten Seitenkasten (210) vorgesehen ist und durch den Geschwindigkeits-Änderungsmechanismus (240) angetrieben wird, um die Aufnahmeachse (220) zu drehen,
    die zweite Getriebeeinheit (260) in dem zweiten Seitenkasten (210) vorgesehen ist und durch den Geschwindigkeits-Änderungsmechanismus (240) angetrieben wird,
    die dritte Getriebeeinheit (270) in dem gegenüber liegend angeordneten zweiten Seitenkasten (210) vorgesehen ist und durch die zweite Getriebeeinheit (260) der Zuführeinheit (290) angetrieben wird, und
    die vierte Getriebeeinheit (280) in der Nähe des zweiten Seitenkastens (210) vorgesehen ist und durch dritte Getriebeeinheit (270) angetrieben wird, um die Reibestange (232) anzutreiben.
  2. Vorrichtung nach Anspruch 1, wobei der Geschwindigkeits-Änderungsmechanismus (240) zwischen unteren Enden der Seitenkästen (210) vorgesehen ist.
  3. Vorrichtung nach Anspruch 2, wobei die Antriebswelle (241) sich durch den Geschwindigkeits-Änderungsmechanismus (240) hindurch erstreckt und sich beide Ende der Antriebswelle (241) bis in die Seitenkästen (210) hinein erstrecken, wobei die erste Getriebeeinheit (250) ein unteres Rad (251) aufweist, das starr mit einem ersten Ende der Antriebswelle (241) gekoppelt ist, wobei ein oberes Rad (252) starr mit einem Ende der Aufnahmeachse (220) gekoppelt ist und ein Riemen um das obere und untere Rad (251, 252) herum läuft.
  4. Vorrichtung nach einem der vorhergehenden Ansprüche, wobei die Zuführeinheit (290) quer verlaufend zu oberen Abschnitten der Seitenkästen (210) vorgesehen ist, wobei die Zuführeinheit (290) außerdem eine erste angetriebene Achse (292) und eine zweite angetriebene Achse (293) aufweist.
  5. Vorrichtung nach Anspruch 4, wobei die zweite Getriebeeinheit (260) ein erstes Rad (261), das starr mit einem zweiten Ende der Antriebswelle (241) gekoppelt ist, eine zweites Rad (262), das von dem ersten Rad (261) angetrieben wird, ein drittes Rad (263), das sich gemeinsam mit dem zweiten Rad (262) drehen kann, ein viertes Rad (264), das höher als die Aufnahmeachse (220) angeordnet ist, und einen Riemen (265) aufweist, der um das dritte und vierte Rad (263, 264) umläuft.
  6. Vorrichtung nach Anspruch 5, wobei die dritte Getriebeeinheit (270) ein fünftes Rad (271), das starr mit dem ersten Ende von einem der Arme (231) gekoppelt ist, ein sechstes Rad (272), das starr mit einem ersten Ende der Antriebswelle (291) gekoppelt ist, und einen Riemen (273) aufweist, der um das fünfte, sechste und vierte Rad (271, 272, 264) umläuft.
  7. Vorrichtung zumindest nach Anspruch 4 und einem anderen der vorhergehenden Ansprüche, wobei jedes der beiden Enden der Antriebswelle (201) als Antriebsrad ausgebildet ist, jedes der beiden Ende der ersten angetriebenen Achse (292) als erstes angetriebenes Rad ausgebildet ist, jedes der beiden Enden der zweiten angetriebenen Achse (293) als zweites angetriebenes Rad ausgebildet ist und das Antriebsrad zwei einander auf seinem Umfang entgegengesetzt gegenüber liegende Punkte aufweist, die mit dem ersten und zweiten angetriebenen Rad in Berührung stehen, sodass das erste und zweite angetriebene Rad ausgelegt sind, um die Drehbewegung des Antriebsrads anzutreiben, und wobei die erste und zweite angetriebene Achse (292, 293) ausgelegt sind, um die Drehbewegung der Antriebswelle (291) anzutreiben.
  8. Vorrichtung nach Anspruch 6, wobei die vierte Getriebeeinheit (280) ein siebtes Rad (281), das starr mit dem ersten Ende (231a) von einem der Arme (231) gekoppelt ist, ein achtes Rad (282), das starr mit dem zweiten Ende (231b) des Arms (231), welcher mit der Reibestange (232) verbindet, und einen Riemen (293) aufweist, der um das siebte und achte Rad umläuft.
EP05104851A 2005-06-03 2005-06-03 Hochbauende Hochgeschwindigkeitsgestrickabzugsvorrichtung mit Einrichtung zum Konstanthalten der Spannung im Gestrick Not-in-force EP1731649B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP05104851A EP1731649B1 (de) 2005-06-03 2005-06-03 Hochbauende Hochgeschwindigkeitsgestrickabzugsvorrichtung mit Einrichtung zum Konstanthalten der Spannung im Gestrick
ES05104851T ES2382194T3 (es) 2005-06-03 2005-06-03 Dispositivo elevado de recogida de tejido a alta velocidad con mecanismo para mantener una tensión uniforme del tejido
PL05104851T PL1731649T3 (pl) 2005-06-03 2005-06-03 Pionowe urządzenie odbierające materiał tekstylny o wysokiej wydajności z systemem zapewniającym równomierne naprężenie materiału tekstylnego
AT05104851T ATE548491T1 (de) 2005-06-03 2005-06-03 Hochbauende hochgeschwindigkeitsgestrickabzugsvorrichtung mit einrichtung zum konstanthalten der spannung im gestrick

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05104851A EP1731649B1 (de) 2005-06-03 2005-06-03 Hochbauende Hochgeschwindigkeitsgestrickabzugsvorrichtung mit Einrichtung zum Konstanthalten der Spannung im Gestrick

Publications (2)

Publication Number Publication Date
EP1731649A1 EP1731649A1 (de) 2006-12-13
EP1731649B1 true EP1731649B1 (de) 2012-03-07

Family

ID=36570575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05104851A Not-in-force EP1731649B1 (de) 2005-06-03 2005-06-03 Hochbauende Hochgeschwindigkeitsgestrickabzugsvorrichtung mit Einrichtung zum Konstanthalten der Spannung im Gestrick

Country Status (4)

Country Link
EP (1) EP1731649B1 (de)
AT (1) ATE548491T1 (de)
ES (1) ES2382194T3 (de)
PL (1) PL1731649T3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2312030A1 (de) * 2009-10-15 2011-04-20 Pai Lung Machinery Mill Co., Ltd. Stoffsammelstruktur für ein Stoffschneidgerät
EP2314534B1 (de) 2009-10-20 2013-04-10 Pai Lung Machinery Mill Co., Ltd. Verfahren und Vorrichtung zum Abziehen und Falten eines Stoffes in Synchronität mit der Produktion einer Rundstrickmaschine
CN107761241B (zh) * 2017-11-29 2023-05-26 百润(晋江)科技有限公司 一种圆机坯布牵拉装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06173146A (ja) 1992-10-09 1994-06-21 Fukuhara Seiki Seisakusho:Kk 丸編機における巻取部の駆動装置
DE9304846U1 (de) 1993-03-30 1993-06-24 SIPRA Patententwicklungs- und Beteiligungsgesellschaft mbH, 7470 Albstadt Abzugsvorrichtung
US6000246A (en) 1998-06-02 1999-12-14 Hsieh; Wen-Bin Stepless speed change type cloth take-up device for a circular knitting machine
US6637241B1 (en) 2003-01-21 2003-10-28 Pai Lung Machinery Mill Co., Ltd. Fabric take-up apparatus

Also Published As

Publication number Publication date
ES2382194T3 (es) 2012-06-06
ATE548491T1 (de) 2012-03-15
EP1731649A1 (de) 2006-12-13
PL1731649T3 (pl) 2012-08-31

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