EP2314534A1 - Verfahren und Vorrichtung zum Abziehen und Falten eines Stoffes in Synchronität mit der Produktion einer Rundstrickmaschine - Google Patents

Verfahren und Vorrichtung zum Abziehen und Falten eines Stoffes in Synchronität mit der Produktion einer Rundstrickmaschine Download PDF

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Publication number
EP2314534A1
EP2314534A1 EP09173543A EP09173543A EP2314534A1 EP 2314534 A1 EP2314534 A1 EP 2314534A1 EP 09173543 A EP09173543 A EP 09173543A EP 09173543 A EP09173543 A EP 09173543A EP 2314534 A1 EP2314534 A1 EP 2314534A1
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EP
European Patent Office
Prior art keywords
fabric
bar
folding
chain
spreading roller
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.)
Granted
Application number
EP09173543A
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English (en)
French (fr)
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EP2314534B1 (de
Inventor
Shih-Chi Chen
Jenq-Huey Shyu
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Pai Lung Machinery Mill Co Ltd
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Pai Lung Machinery Mill Co Ltd
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Publication date
Application filed by Pai Lung Machinery Mill Co Ltd filed Critical Pai Lung Machinery Mill Co Ltd
Priority to EP20090173543 priority Critical patent/EP2314534B1/de
Publication of EP2314534A1 publication Critical patent/EP2314534A1/de
Application granted granted Critical
Publication of EP2314534B1 publication Critical patent/EP2314534B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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 a method and apparatus to lower and fold fabric continuously and particularly to a method and apparatus to mechanically lower and fold fabric concurrently at the same amount knitted by a circular knitting machine.
  • the half-width fabric folding machine has drawbacks in use. After the fabric is knitted by the circular knitting machine, it has to be treated in a dyeing process.
  • a dyeing tank usually can hold a fixed amount of fabric in the dyeing process.
  • the fabric has a head and a tail that are connected to reach the fixed amount of quantity before being loaded into the dyeing tank to do dyeing process.
  • Due to the half-width fabric folding machine provides a batch of fabric only one half of the full-width fabric folding machine, after the dyeing process is finished the head and tail portions of the fabric that are not evenly dyed have to be cut off. This results in a greater amount of waste. Reducing the waste can reduce the material cost.
  • the main stream of the market of the fabric folding machine for circular knitting machines is the full-width fabric folding machine that can fold the fabric at the maximum full-width.
  • FIGS. 1A and 1B for the conventional fabric folding machine in operating conditions.
  • a circular knitting machine continuously knits a fabric 7
  • the fabric 7 does not sag naturally below a fabric spreading roller set 2 and above a fabric folding bar set 5
  • the fabric below the fabric folding bar set 5 increases gradually at the same amount knitted continuously by the circular knitting machine.
  • the driving wheel 3 rotates continuously clockwise to drive a chain 4 to move the fabric folding bar set 5 horizontally rightwards
  • the fabric folding bar set 5 flatly spreads the increased fabric 7 beneath thereof on a fabric loading board 6 same as the mount knitted by the circular knitting machine.
  • the fabric folding bar set 5 can flatly spread the increased fabric beneath thereof same as that knitted continuously by the circular knitting machine on the fabric loading board 6.
  • the fabric folding bar set 5 has moved horizontally rightwards, the fabric 7 below the fabric spreading roller set 2 and above the fabric folding bar set 5 has two problematic conditions, first the fabric folding bar set 5 has to be incorporated with an automatic faster fabric conveying means (such as a programmable controlled motor to generate faster rotation) to deliver the fabric faster below the fabric folding bar set 5. But such an approach often creates another problem as shown in FIG. 1B in which the fabric 7 laid on the fabric spreading board is creased.
  • the fabric folding bar set 5 does not automatically convey the fabric faster, the fabric originally hung below the fabric spreading roller set 2 and above the fabric folding bar set 5 sags as shown in FIG. 1B .
  • the fabric folding bar set 5 moves horizontally the sagged fabric hinders its movement and could cause machine jam.
  • a preferable approach is to move the fabric folding bar set 5 rapidly beneath the fabric spreading roller set 2 where the fabric 7 is delivered before it is knitted by the circular knitting machine, and the fabric 7 which is originally located below the fabric spreading roller set 2 and above the fabric folding bar set 5 also has to be conveyed at the same time beneath the fabric folding bar set 5 to be flatly spread on the fabric loading board 6.
  • the primary object of the present invention is to solve the aforesaid problems of the conventional half-width and full-width fabric folding machines and the fabric folding methods thereof by providing a method and apparatus to increase tension to maintain flat of the transverse fabric before fabric lowering and move the transverse fabric mechanically in a repetitive transient storing and feeding approach so that the fabric is lowered and folded in full-width at an amount same as knitted and unloaded by a circular knitting machine.
  • the present invention provides a method and apparatus to lower and fold fabric at an amount same as knitted and unloaded by a circular knitting machine.
  • the method includes: providing a fabric spreading roller set in a circular knitting machine below fabric knitted continuously by the circular knitting machine that rotates synchronously with a needle cylinder of the circular knitting machine in the same direction and has spinning power to move the fabric downwards; winding the fabric knitted continuously by the circular knitting machine through the fabric spreading roller set to flatten the fabric and winding out from the fabric spreading roller set at one side; providing two horizontal fabric folding rails below the fabric spreading roller set perpendicular thereof that have respectively a horizontal track; providing a first fabric extending bar at the fabric winding out side of the fabric spreading roller set that is hinged on an outer side of the track in a straddle manner in parallel with the fabric spreading roller set; winding the fabric delivered from the fabric spreading roller set on the first fabric extending bar which winds out the fabric at a lower side in a direction opposite to the winding in direction; providing a tension balance moving bar
  • the invention also provides a buffer transient storing apparatus in the foregoing method.
  • the buffer transient storing apparatus has a transmission link with a variable direction and variable speed wheel box driven by spinning power of a needle cylinder of the circular knitting machine.
  • the variable direction and variable speed wheel box has two ends directing upwards to pivotally couple with the fabric spreading roller set to provide the spinning power so that the fabric spreading roller set is rotated synchronously with the needle cylinder in the same direction.
  • the fabric spreading roller set is located horizontally in the circular knitting machine below the fabric knitted by the circular knitting machine.
  • the variable direction and variable speed wheel box has a fabric loading board fastened thereon.
  • the buffer transient storing apparatus includes: two corresponding fabric folding rails fastened to a lower side of two ends of the fabric spreading roller set hinged on an upper extension of the variable direction and variable speed wheel box and located horizontally in the circular knitting machine above the fabric loading board perpendicular to the fabric spreading roller set and having respectively a horizontal track corresponding to each other, a first fabric extending bar parallel with the fabric spreading roller set with two ends hinged on an outer side of the two tracks, a tension balance moving bar movable reciprocally and horizontally on the tracks parallel with the fabric spreading roller set and with two ends straddled the tracks, a second fabric extending bar parallel with the fabric spreading roller set with two ends hinged on another outer side of the two tracks at the same side of the first fabric extending bar, two first chain holding spots fastened to other outer sides of the tracks, two chain turning axles hinged on the outer side of the tracks same as the first chain holding spots, two fabric level moving and lowering means located on the twp fabric folding rails movable reciprocally and horizontally between the second fabric
  • the two fabric level moving and lowering means have respectively a second chain holding spot, two chains each having one end fastened to the first chain holding spot and another end winding about a side end of the tension balance moving bar and the chain turning axle in a reverse manner to fasten to the two second chain holding spots.
  • the invention further provides a full-width fabric folding machine adopted the aforesaid buffer transient storing apparatus.
  • the full-width fabric folding machine includes a variable direction and variable speed wheel box driven by spinning power of a needle cylinder of a circular knitting machine.
  • the variable direction and variable speed wheel box is located at the bottom of the circular knitting machine to rotate synchronously with the needle cylinder in the same direction, and has two ends with a first side board and a second side board located thereon directing upwards to be bridged by a fabric loading board.
  • the full-width fabric folding machine further has a fabric spreading roller set hinged on the first and second side boards below the fabric knitted by the circular knitting machine and above the fabric loading board to form a transmission link with the variable direction and variable speed wheel box, a driving means hinged on the second side board to form a transmission link with the fabric spreading roller set, and a buffer transient storing apparatus located between the fabric spreading roller set and the fabric loading board.
  • the buffer transient storing apparatus has two fabric folding rails fastened to the first and second side boards.
  • the driving means forms a transmission link with the fabric level moving and lowering means located on the fabric folding rails on the second side board.
  • the foregoing method provided by the invention has many advantages, notably:
  • the present invention provides a full-width fabric folding machine 10 which is located at the bottom in the interior of a circular knitting machine and rotates synchronously with a needle cylinder of the circular knitting machine in the same direction, and has a variable direction and variable speed wheel box 20 driven by the spinning power of the needle cylinder through a transmission link.
  • the variable direction and variable speed wheel box 20 has a first side board 21 and a second side board 22 extended upwards from two ends thereof. The first and second side boards 21 and 22 are bridged by a fabric loading board 23 above the variable direction and variable speed wheel box 20.
  • the two side boards 21 and 22 also are horizontally hinged between them by two ends of a fabric spreading roller set 40 below a fabric 60 knitted by the circular knitting machine and above the fabric loading board 23.
  • the fabric spreading roller set 40 includes a main fabric spreading roller 41, a first driven roller 42 at one side of the main fabric spreading roller 41 rotating synchronously in a reverse direction against the main fabric spreading roller 41 and a second driven roller 43 at another side of the main fabric spreading roller 41 rotating synchronously in the reverse direction against the main fabric spreading roller 41.
  • the main fabric spreading roller 41 is driven by the spinning power of the variable direction and variable speed wheel box 20 through another transmission link.
  • the full-width fabric folding machine 10 of the invention further has a buffer transient storing apparatus 50 located between the fabric spreading roller set 40 and the fabric loading board 23.
  • the buffer transient storing apparatus 50 includes two corresponding fabric folding rails 51 which are fixedly fastened to the first and second side boards 21 and 22 extended upwards from the variable direction and variable speed wheel box 20, and below two ends of the fabric spreading roller set 40 and above the fabric loading board 23 in a horizontal manner and perpendicular to the fabric spreading roller set 40.
  • the two fabric folding rails 51 have respectively a horizontal track 514 corresponding to each other, a first fabric extending bar 54 parallel with the fabric spreading roller set 40 with two ends hinged on an outer side of the two tracks 514, a tension balance moving bar 53 movable reciprocally and horizontally on the tracks 514 in parallel with the fabric spreading roller set 40 with two ends straddling the tracks 514, a second fabric extending bar 55 parallel with the fabric spreading roller set 40 with two ends hinged on the outer side of the two tracks 514 same as the first fabric extending bar 54, two first chain holding spots 511 fastened to another outer side of the tracks 514, two chain turning axles 512 corresponding to each other and hinged on the outer side of the tracks 514 same as the first chain holding spot 511, two fabric level moving and lowering means 52 located on the two fabric folding rails 51 and movable reciprocally and horizontally between the second fabric extending bar 55 and the chain turning axles 512, and a forward turning fabric folding bar 521 and a reverse turning fabric folding bar 522 that are hinge
  • the forward turning fabric folding bar 521 and reverse turning fabric folding bar 522 are parallel with the fabric spreading roller set 40.
  • the two fabric level moving and lowering means 52 further have respectively a second chain holding spot 527, two chains 70 each having one end fastened to the first chain holding spot 511 and another end winding about a side end of the tension balance moving bar 53 and the chain turning axle 512 in a reverse manner to fasten to the two second chain holding spots 527.
  • Each of the two fabric folding rails 51 further has a gear rack 513 fastened to an upper side of the track 514.
  • the gear rack 513 is formed at a length less that the interval of the second fabric extending bar 55 and the chain turning axle 512.
  • the forward turning fabric folding bar 521 has two ends fastened respectively to a first one-way gear 523 and a forward turning gear 525.
  • the reverse turning fabric folding bar 522 also has two ends fastened respectively to a second one-way gear 524 and a reverse turning gear 526.
  • the first and second one-way gears 523 and 524 are at one end of the forward and reverse turning fabric folding bars 521 and 522 of the same side to engage with the gear rack 513 at the same side, and the forward turning gear 525 and reverse turning gear 526 at the other end are engaged with each other.
  • the full-width fabric folding machine 10 of the invention further has a driving means 30 hinged on the second side board 22 to form a transmission link with the fabric spreading roller set 40.
  • the driving means 30 includes a cam driving wheel 31 hinged on the second side board 22 and engaged with the main fabric spreading roller 41 to transmit rotation synchronously in the reverse direction, and a cam driven wheel 32 hinged on the outer side of the second side board 22 to form a transmission link with the cam driving wheel 31 to rotate synchronously in the same direction.
  • the cam driving wheel 31 and the cam driven wheel 32 are coupled through a linking chain 311 to form the transmission link.
  • the linking chain 311 may be a belt, chain or gears.
  • the driving means 30 further has a cam 33 hinged on the outer side of the second side board 22 and fastened to the cam driven wheel 32 to rotate synchronously in the same direction.
  • the cam 33 has a cam track 331 consisting of two symmetrical and indented arched paths.
  • an actuation wheel 34 hinged on the outer side of the second board 22 with an actuation member 341 fastened thereon and held in a protrusive manner in the cam track 331 and movable along the path of the cam track 331 to swing the actuation wheel 34 in an oscillation manner.
  • the transmission wheel 35 is connected to a transmission shaft 352 to transmit movement concurrently in the same direction.
  • the transmission wheel 35 and the transmission shaft 352 are bridged by a transmission linking chain 351 to link transmission therebetween.
  • the transmission linking chain 351 may be a belt, a chain or gears.
  • the transmission shaft 352 can transmit movement concurrently in the same direction to the fabric level moving and lowering means 52 located on the first side board 21.
  • the forward turning fabric folding bar 512 and the reverse turning fabric folding bar 522 rotate continuously and synchronously in opposite directions.
  • the gear rack 513 is fastened to the upper side of the track 514.
  • the forward turning fabric folding bar 521 has the two ends fastened respectively to the first one-way gear 523 and the forward turning gear 525.
  • the reverse turning fabric folding bar 522 also has the two ends fastened respectively to the second one-way gear 524 and the reverse turning gear 526.
  • the first and second one-way gears 523 and 524 are coupled respectively with a one-way bearing with a shaft driven by forces of different directions to rotate (such a technique is known in the art, thus detailed drawings and discussion are omitted herein).
  • the first one-way gear 523 and the second one-way gear 524 at the same side of the forward and reverse turning fabric folding bars 521 and 522 are positioned in a front and rear manner to engage with the gear rack 513.
  • the fabric level moving and lowering means 52 is moved rightwards the one-way bearing shaft coupled with the first one-way gear 523 is not driven and idled, while the another one-way bearing shaft coupled with the second one-way gear 524 is driven.
  • the second one-way gear 524 is engaged with the gear rack 513 to generate rotation to drive the reverse turning fabric folding bar 522 to rotate concurrently counterclockwise, while the first one-way gear 523 is engaged with the gear rack 513 but not engaged with the second one-way gear 524, hence even though the first one-way gear 523 rotates counterclockwise due to the gear rack 513, its one-way bearing shaft is not being driven and becomes idled so that the forward turning fabric folding bar 521 fastened to the one-way bearing shaft also is not driven and is idled.
  • the forward turning fabric folding bar 521 and the reverse turning fabric folding bar 522 still have the forward turning gear 525 and reverse turning gear 526 engaged on the same side, when the reverse turning fabric folding bar 522 rotates counterclockwise the reverse turning gear 526 also rotates concurrently counterclockwise, and the engaged forward turning gear 525 is driven to rotate concurrently clockwise to drive the forward turning fabric folding bar 521 to rotate concurrently clockwise.
  • the fabric level moving and lowering means 52 is moved leftwards the another one-way bearing shaft coupled with the second one-way gear 524 is not driven and is idled, while the one-way bearing shaft coupled with the first one-way gear 523 is driven.
  • first one-way gear 523 is engaged with the gear rack 513 to generate rotation to drive the forward turning fabric folding bar 521 to rotate concurrently clockwise
  • second one-way gear 524 is engaged with the gear rack 513 but not engaged with the first one-way gear 523, hence even though the second one-way gear 524 rotates clockwise due to the gear rack 513, its one-way bearing shaft is not being driven and becomes idled so that the reverse turning fabric folding bar 522 fastened to the one-way bearing shaft also is not driven and is idled.
  • forward turning fabric folding bar 521 and the reverse turning fabric folding bar 522 still have the forward turning gear 525 and reverse turning gear 526 engaged on the same side, when the forward turning fabric folding bar 521 rotates clockwise the forward turning gear 525 also rotates concurrently clockwise, and the engaged reverse turning gear 526 is driven to rotate concurrently counterclockwise to drive the reverse turning fabric folding bar 522 to rotate concurrently counterclockwise.
  • the fabric spreading roller set 40 is horizontally located below the fabric 60 knitted by the circular knitting machine.
  • the fabric spreading roller set 40 has a main fabric spreading roller 41, a first driven roller 42 at one side of the main fabric spreading roller 41 to be driven to rotate concurrently in the opposite direction and a second driven roller 43 at another side of the main fabric spreading roller 41 to be driven to rotate concurrently in the opposite direction.
  • the fabric 60 knitted by the circular knitting machine is wound between the main fabric spreading roller 41 and the first driven roller 42 to another side of the main fabric spreading roller 41 and winding out from the second driven roller 43.
  • the fabric 60 wound on the fabric spreading roller set 40 is flattened and winds out from the right hand side thereof.
  • the fabric 60 winding out from the fabric spreading roller set 40 further winds on the first fabric extending bar 54 hinged on the fabric folding rails 51 below the fabric spreading roller set 40 and winds out at the lower side to the left side direction.
  • the fabric 60 winding out from the first extending bar 54 winds again on the tension balance moving bar 53 straddled the tracks 514 and winds out at the lower side to the right direction so that the first fabric extending bar 54 and the tension balance moving bar 53 are spaced from each other at a distance of a first zone fabric length X1.
  • the fabric 60 winding out from the tension balance moving bar 53 further winds on the second fabric extending bar 55 hinged on the fabric folding rails 51 at the right side of the tension balance moving bar 53 and winds out at the lower side in the left direction so that the tension balance moving bar 53 and the second fabric extending bar 55 are spaced from each other to form a second zone fabric length X2.
  • the fabric 60 winding out from the second fabric extending bar 55 further winds on the fabric level moving and lowering means 52 which moves reciprocally and horizontally on the tracks 514.
  • the fabric level moving and lowering means 52 has the forward turning fabric folding bar 521 and reverse turning fabric folding bar 522 hinged horizontally thereon and equipped with spinning power
  • the fabric 60 winding out from the second fabric extending bar 55 winds between the forward turning fabric folding bar 521 and reverse turning fabric folding bar 522 and is lowered beneath between the forward and reverse turning fabric folding bars 521 and 522 at an amount same as continuously knitted by the circular knitting machine, and the second fabric extending bar 55 and the interval of the forward and reverse turning fabric folding bars 521 and 522 are spaced to form a third zone fabric length X3.
  • the fabric level moving and lower means 52 has a second chain holding spot 527.
  • the chain 70 has one end fastened to the second chain holding spot 527 and another end winding leftwards on the chain turning axle 512 hinged on the outer side of the track 514 and winding out from the upper side in the right direction.
  • the second chain holding spot 527 and the chain turning axle 512 are spaced from each other to form a third zone chain length Y3.
  • the chain 70 winding out from the chain turning axle 512 winds on a side end of the tension balance moving bar 53 and winds out from the upper side in the left direction.
  • the chain turning axle 512 and the tension balance moving bar 53 are spaced from each other to form a second china zone length Y2.
  • the chain 70 winding out from the tension balance moving bar 514 winds on the first chain holding spot 511 fastened to the track 514 to be anchored.
  • the tension balance moving bar 53 and the first chain holding spot 511 are spaced from each other to form a first zone chain length Y1.
  • the fabric level moving and lowering means 52 starts moving horizontally rightwards.
  • the tension balance moving bar 53 starts moving leftwards.
  • FIG. 5B while the fabric level moving and lowering means 52 moves horizontally rightwards, the forward and reverse turning fabric folding bars 521 and 522 lower the fabric through the gear rack 513 at an amount same as the knitted and unloaded fabric of the circular knitting machine.
  • the length of the fabric continuously knitted and unloaded by the circular knitting machine is equal to the horizontal moving distance of the fabric level moving and lowering means 52, namely same as the length of the fabric lowering amount from the forward and reverse turning fabric folding bars 521 and 522.
  • the rightward horizontal moving distance of the fabric level moving and lowering means 52 from FIG. 5A to FIG. 5B also is L1. Due to the forward and reverse turning fabric folding bars 521 and 522 are engaged with the gear rack 513, the fabric lowering amount of the level moving and lowering means 52 also is equal to L1.
  • the fabric length L1 unloaded by the circular knitting machine is equal to the fabric lowering length L1 from between the forward and reverse turning fabric folding bars 521 and 522 that is laid flatly on the fabric loading board 23.
  • the level moving and lowering means 52 moves horizontally rightwards at the distance L1,meanwhile the tension balance moving bar 53 of the buffer transient storing apparatus 50 moves concurrently and horizontally leftwards, as a result, the first zone fabric length X1 increases one half of L1 (namely L1/2), plus the second zone fabric length X2 adding one half of L1 (namely L1/2) to be absorbed and held temporarily.
  • the third zone fabric length X3 reduces the fabric length L1 equal to the increased fabric length L1/2 of the first zone fabric length X1 plus the increased fabric length L1/2 of the second zone fabric length X2.
  • the increased fabric length L1/2 of the first zone fabric length X1 also is equal to the increased length L1/2 of the second zone fabric length X2.
  • the third zone fabric length X3 reduces the length L1 equal to the increased length L1 of the third zone chain length L1, and also equals to the reduced length L1/2 of the first zone chain length Y1 plus the reduced length L1/2 of the second zone chain length Y2.
  • the fabric level moving and lowering means 52 When the circular knitting machine continuously knits and unloads the fabric at a length L2 as shown from FIG. 5B to FIG. 5C , the fabric level moving and lowering means 52 also moves rightwards horizontal at the distance L2 as shown from FIG. 5B to FIG. 5C . Due to the forward and reverse turning fabric folding bars 521 and 522 are engaged with the gear rack 513, the fabric lowering amount of the level moving and lowering means 52 also is equal to L2.
  • the fabric length L2 unloaded by the circular knitting machine is equal to the fabric lowering length L2 from between the forward and reverse turning fabric folding bars 521 and 522 that is laid flatly on the fabric loading board 23.
  • the level moving and lowering means 52 moves horizontally rightwards at the distance L2, meanwhile the tension balance moving bar 53 of the buffer transient storing apparatus 50 moves concurrently and horizontally leftwards, as a result, the first zone fabric length X1 increases one half of L2 (namely L2/2), plus the second zone fabric length X2 also adding one half of L2 (namely L2/2) to be absorbed and held temporarily.
  • the third zone fabric length X3 reduces fabric length L2 equal to the increased fabric length L2/2 of the first zone fabric length X1 plus the increased fabric length L2/2 of the second zone fabric length X2.
  • the increased fabric length L2/2 of the first zone fabric length X1 is equal to the increased length L2/2 of the second zone fabric length X2
  • the reduced fabric length L2 of the third zone fabric length X3 is equal to the increased length L2 of the third zone chain length Y3, and also equals to the reduced length L2/2 of the first zone chain length Y1 plus the reduced length L2/2 of the second zone chain length Y2.
  • the fabric lowering amount of the level moving and lowering means 52 also is equal to L3.
  • the fabric length L3 unloaded by the circular knitting machine is equal to the fabric lowering length L3 from between the forward and reverse turning fabric folding bars 521 and 522 that is laid flatly on the fabric loading board 23, and overlapped with the length L2 shown in FIG. 5C .
  • the level moving and lowering means 52 moves horizontally leftwards at the distance L3, meanwhile the tension balance moving bar 53 of the buffer transient storing apparatus 50 moves concurrently and horizontally rightwards, as a result, the first zone fabric length X1 reduces one half of L3 (namely L3/2), and the second zone fabric length X2 also reduces one half of L3 (namely L3/2) that are replenished by the fabric 60 held in the buffer transient storing apparatus 50.
  • the fabric increasing length L3 of the third zone fabric length X3 is equal to the reduced fabric length L3/2 of the first zone fabric length X1 plus the reduced fabric length L3/2 of the second zone fabric length X2.
  • the reduced fabric length L3/2 of the first zone fabric length X1 is equal to the reduced length L3/2 of the second zone fabric length X2
  • the increased length L3 of the third zone fabric length X3 is equal to the reduced length L3 of the third zone chain length Y3, and also equals to the increased length L3/2 of the first zone chain length Y1 plus the increased length L3/2 of the second zone chain length Y2.
  • the level moving and lowering means 52 moves continuously reciprocally and horizontally the fabric 60 held in the buffer transient storing apparatus 50 above maintains a constant tension without sagging or impact the moving path of the level moving and lowering means 52.
  • the level moving and lowering means 52 also can lower the fabric at an amount same as the unloading fabric continuously knitted by the circular knitting machine, and the fabric is folded and stacked onto the fabric loading board 23.
  • the fabric spreading roller set 40 includes a main fabric spreading roller 41, a first driven roller 42 at one side of the main fabric spreading roller 41 to rotate concurrently in the opposite direction and a second driven roller 43 at another side of the main fabric spreading roller 41 to rotate concurrently in the opposite direction.
  • the variable direction and variable speed wheel box 20 transmits motion to the main fabric spreading roller 41 through the first side board 21 to continuously generate spinning power counterclockwise.
  • FIGS. 8 and 9A through 9E for driving means 30 of the invention in a transmission link and consecutive operating conditions.
  • the driving means 30 has a cam driving wheel 31 hinged on the second side board 22 engaged with the main fabric spreading roller 41 to be driven to rotate concurrently clockwise.
  • the cam driving wheel 31 rotating clockwise drives the cam driven wheel 32 at the lower side to rotate clockwise concurrently. Due to the cam driven wheel 32 is fastened to a cam 33, they rotate concurrently clockwise.
  • the cam 33 has a cam track 331 consisting of two symmetrical indented arched paths.
  • the second side board 22 has an actuation wheel 34 hinged on the outer side thereof that has a jutting actuation member 341 held in the cam track 331.
  • the oscillation arm 36 fastened to the transmission wheel 35 oscillates clockwise as shown in FIG. 9B
  • the oscillation arm 36 has a triple-axis lever 37 hinged thereon that has one end hinged on the fabric level moving and lowering means 52 to move it horizontally rightwards and another end fastened to a slider 371 to slide up and down on the sliding track 38 formed on an inner side of the second side board 22.
  • the cam 33 rotates continuously clockwise
  • the actuation member 341 also is directed by the cam track 331 so that the actuation wheel 34 continuously turns clockwise, and the transmission wheel 35 is driven by the actuation wheel 34 to turn continuously counterclockwise.
  • the oscillation arm 36 also oscillates continuously counterclockwise as shown in FIG. 9C .
  • the fabric level moving and lowering means 52 hinged on one end of the tripe-axis lever 37 also continuously moves horizontally rightwards.
  • the oscillation arm 36 oscillates to move the fabric level moving and lowering means 52 beyond the slide track 38
  • the slider 371 at another end of the triple-axis lever 37 starts sliding upwards on the slide track 38, meanwhile the cam 33 continuously turns clockwise, and the actuation member 341 is directed by the cam track 331 to make the actuation wheel 34 to turn continuously clockwise.
  • the actuation member 341 is directed by the cam track 331 to arrive the junction of the two indented arched paths as shown in FIG. 9D .
  • the actuation wheel 34 starts turning counterclockwise, and the transmission wheel 35 also is driven by the actuation wheel 34 to start turning clockwise, and the oscillation arm 36 also oscillates clockwise as shown in FIG. 9E .
  • the fabric level moving and lowering means 52 hinged on the one end of triple-axis lever 37 starts moving horizontally leftwards, and the slider 371 at another end of the triple-axis lever 37 starts sliding downwards on the slide track 38.
  • the cam 33 turns continuously clockwise and the oscillation arm 36 also oscillates in a non-stop cycle as shown in FIGS. 9A through 9E .
  • the fabric level moving and lowering means 52 also is driven to move constantly in a reciprocal and horizontal fashion, and the slider 371 slides constantly up and down on the slide track 38. As a result, the fabric level moving and lowering means 52 can be moved reciprocally and horizontally.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Knitting Machines (AREA)
EP20090173543 2009-10-20 2009-10-20 Verfahren und Vorrichtung zum Abziehen und Falten eines Stoffes in Synchronität mit der Produktion einer Rundstrickmaschine Not-in-force EP2314534B1 (de)

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Application Number Priority Date Filing Date Title
EP20090173543 EP2314534B1 (de) 2009-10-20 2009-10-20 Verfahren und Vorrichtung zum Abziehen und Falten eines Stoffes in Synchronität mit der Produktion einer Rundstrickmaschine

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Application Number Priority Date Filing Date Title
EP20090173543 EP2314534B1 (de) 2009-10-20 2009-10-20 Verfahren und Vorrichtung zum Abziehen und Falten eines Stoffes in Synchronität mit der Produktion einer Rundstrickmaschine

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EP2314534A1 true EP2314534A1 (de) 2011-04-27
EP2314534B1 EP2314534B1 (de) 2013-04-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114000253A (zh) * 2021-10-25 2022-02-01 浙江理工大学 一种圆纬机自动落布机及控制方法

Citations (5)

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Publication number Priority date Publication date Assignee Title
US3791177A (en) 1971-01-21 1974-02-12 Stibbe Machinery Ltd Circular knitting machines
DE10021331A1 (de) * 2000-05-02 2001-11-15 Kruse Kreuzhermes Ursula Täfler
US20040147384A1 (en) 2001-05-25 2004-07-29 Christian Lenk Device and method for folding a flexible material web
EP1731649A1 (de) 2005-06-03 2006-12-13 Pai Lung Machinery Mill Co., Ltd. Hochbauende Hochgeschwindigkeitsgestrickabzugsvorrichtung mit Einrichtung zum Konstanthalten der Spannung im Gestrick
EP1842949A1 (de) 2006-04-05 2007-10-10 Pai Lung Machinery Mill Co., Ltd. Falt-Vorrichtung für schlauchartige Strickware

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791177A (en) 1971-01-21 1974-02-12 Stibbe Machinery Ltd Circular knitting machines
DE10021331A1 (de) * 2000-05-02 2001-11-15 Kruse Kreuzhermes Ursula Täfler
US20040147384A1 (en) 2001-05-25 2004-07-29 Christian Lenk Device and method for folding a flexible material web
EP1731649A1 (de) 2005-06-03 2006-12-13 Pai Lung Machinery Mill Co., Ltd. Hochbauende Hochgeschwindigkeitsgestrickabzugsvorrichtung mit Einrichtung zum Konstanthalten der Spannung im Gestrick
EP1842949A1 (de) 2006-04-05 2007-10-10 Pai Lung Machinery Mill Co., Ltd. Falt-Vorrichtung für schlauchartige Strickware

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114000253A (zh) * 2021-10-25 2022-02-01 浙江理工大学 一种圆纬机自动落布机及控制方法
CN114000253B (zh) * 2021-10-25 2024-02-13 浙江理工大学 一种圆纬机自动落布机及控制方法

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