EP0485717B1 - Vorrichtung und Verfahren zum Aufwickeln und Abnehmen von dem Gestrickbaum an einer Rundstrickmaschine - Google Patents

Vorrichtung und Verfahren zum Aufwickeln und Abnehmen von dem Gestrickbaum an einer Rundstrickmaschine Download PDF

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Publication number
EP0485717B1
EP0485717B1 EP19910115781 EP91115781A EP0485717B1 EP 0485717 B1 EP0485717 B1 EP 0485717B1 EP 19910115781 EP19910115781 EP 19910115781 EP 91115781 A EP91115781 A EP 91115781A EP 0485717 B1 EP0485717 B1 EP 0485717B1
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EP
European Patent Office
Prior art keywords
winding
fabric
winding roll
roll
doffing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP19910115781
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English (en)
French (fr)
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EP0485717A3 (en
EP0485717A2 (de
Inventor
Masatoshi Swazaki
Koji Tsuchiya
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.)
Precision Fukuhara Works Ltd
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Precision Fukuhara Works Ltd
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Publication date
Application filed by Precision Fukuhara Works Ltd filed Critical Precision Fukuhara Works Ltd
Publication of EP0485717A2 publication Critical patent/EP0485717A2/de
Publication of EP0485717A3 publication Critical patent/EP0485717A3/en
Application granted granted Critical
Publication of EP0485717B1 publication Critical patent/EP0485717B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • D04B35/10—Indicating, warning, or safety devices, e.g. stop motions

Definitions

  • This invention relates to an apparatus for automatic winding and doffing of knitted cloth on a circular knitting machine. (see FR-A-2 162 918)
  • knitted cloth is flattened and wound on a winding roller supported by a winding unit.
  • the winding unit revolves synchronously with the knitting machine cylinder and drives fabric delivery rolls through power transmission mechanisms which interconnect to the rotating winding unit.
  • the knitted fabric then is wound into a flat sheet on the winding roll positioned beneath the delivery rolls.
  • an operator manually unlocks the winding roll from a locked position relative to the frame arms of the machine frame, and removes the winding roll from the machine, together with the knitted fabric wound on the roll.
  • the claimed apparatus and method provides for more automated winding and doffing of the knitted cloth.
  • the apparatus includes a winding unit revolving synchronously with the cylinder of the circular knitting machine.
  • the winding unit is positioned below the cylinder and drives fabric delivery rolls through a power transmission mechanism interconnecting with the rotating winding unit.
  • a fabric winding roll is positioned between opposed frame arms of the machine and the roll winds the knitted cloth.
  • the winding roll has two opposing ends and includes means for changing the diameter of the roll to allow a fabric wound thereon to be doffed from the roll.
  • a plurality of combs are positioned on the surface of the roll. The combs are movable between a retracted position in which the combs are retacted and positioned below the surface of the roll to an extended position in which the combs project from the surface of the roll to engage the cloth and retain the cloth onto the winding roll.
  • One end of the winding roll is pivotally connected to one of the frame arms.
  • Means guides the knitted fabric onto the winding roll at the start of fabric winding.
  • the combs catch the knitted fabric and secure the knitted fabric to the winding roll.
  • Means stops the winding roll after a predetermined amount of knitted fabric has been wound on the winding roll. Afterward, means cuts the knitted fabric and means doffs the knitted fabric in the direction of the roll axis.
  • a turning lever pivotally mounted on the frame, supports the other free end of the winding roll so that the free end of the winding roll may be moved from a home, winding position to an unloading, doffing position in which the free end of the winding roller is moved away a support arm.
  • Locking means is operatively connected to the turning lever for locking the turning lever in a position in which the turning lever supports the winding roller in the home, winding position and for unlocking the turning lever to allow the turning lever to pivot and disengage from the winding roll.
  • a gate is positioned adjacent the winding unit between the frame arms for protecting and substantially covering the winding unit. Means automatically opens and closes the gate when doffing the knitted fabric from the winding roll.
  • the winding roll includes two channel members dividing the surface of the winding roll into two half sections. Means moves the half sections relative to each other for changing the cross sectional size of the winding roll.
  • the winding roll includes guide channel members having holes.
  • the half-section channel members engage the guide channel members and are guided along the holes.
  • the locking means includes a cam on which the turning lever abuts, and includes motor means operatively connected to the cam for rotating the cam and turning the lever arm.
  • the circular knitting machine includes a knitting unit 3 mounted on a knitting bed 2 supported by legs 1 .
  • the legs 1 include cross members 11 extending along the bottom.
  • a winding unit 4 ( Figure 3) and drive mechanism 5 are positioned below the knitting unit.
  • the drive mechanism 5 includes a motor 6 having a motor converter 8 with a digital panel 7 for displaying operating characteristics of the motor 6 .
  • an AC invertor motor control panel 9 hereinafter referred to as "ACI motor control panel”
  • automatic doffer control panel 10 are positioned below the drive mechanism 5 .
  • Gates 12 , 13 are secured between the legs 1 . As illustrated, the gates are divided vertically in two sections, forming an upper gate, which can be opened and closed by hand, and a lower gate portion, which forms a window that can be automatically opened and closed for removing the cylindrically wound fabric positioned on the winding unit 4 .
  • a rotatable ring gear 14 is contained in the knitting bed as shown in Figure 3.
  • the knitting machine frame includes winding frame arms 16 , 17 that rotate synchronously with the ring gear 14 through two connecting rods 15 connected at the bottom of the gearing 14 .
  • the winding frame arms 16 , 17 are formed integral with each other and are fixed on the bottom frame 17' .
  • One of the frame arms 16 is semi-circular in shape to allow the fabric wound into a cylindrical package to be removed in a horizontal direction relative to the machine ( Figure 10).
  • the knitted fabric 18 is delivered from the knitting unit 4 by at least two lines of delivery rolls 19 , 20 , and then wound on the winding roll 21 .
  • a contactless switch KSI positioned on the bottom of the bed 2 detects the knitting machine speed, i.e., number of revolutions.
  • the winding unit 4 rotates and drives the delivery rolls 19 , 20 through a power transmission mechanism connected to the frame arms 16 , 17 .
  • the power transmission mechanism includes a first bevel gear mechanism 22 that rotates as the winding unit 4 rotates.
  • the mechanism includes a first belt 23 , a second variable speed pulley 24 , and a worm 25 that rotates the delivery roll 19 .
  • a spur gear 26 rotates the delivery roll 20
  • a third belt 27 rotates the winding roll 21 .
  • winding roll 21 is shown in grater detail.
  • the winding roll is rotatably supported at one end by a bearing fitted into the frame arm 17 .
  • the other end of the winding roll is free.
  • the free end of the winding roll is in contact with the tip of a turning lever 28 .
  • the turning lever 28 is released from the winding roll 21 when the fabric wound on the winding roll is removed.
  • the winding roll 21 is shaped in a square configured hollow member, formed from rectangular channel members 21 , which divide the surface of the roll into two half sections.
  • Short stub shafts 29 , 30 are fixed at the ends of the hollow cylinder, and a bearing 31 is mounted on the outer side of the short stub shaft 29 .
  • a spring 33 is positioned between a mounting collar 32 and the periphery of the bearing 31 .
  • a rectangular, elongated shaft 34 is positioned on the inner side opposite the short stub shafts 29 , 30 and formed integral with the body.
  • Guide holes 34a , 34a are positioned in the shaft 34 and are inclined toward the upper right side at two positions along the same direction.
  • Other guide holes 34b , 34b are inclined to the lower right side along the same direction as the asymmetrical, opposing surface.
  • Combs 35 are positioned along the winding roll 21, preferably along four areas of the roll, and extend outward from the winding roll 21 .
  • the combs 35 project from the roll, catch the tip of the fabric suspended from the knitting unit, and cause the fabric to remain secured to the winding roll 21 .
  • the combs 35 are retracted into the winding roll 21 .
  • the guide holes 34a , 34b engage pins 35a secured to each comb 35 .
  • Each comb 35 is guided by a guide plate 21c secured on each of the channel members 21a , 21b .
  • the channel members 21a , 21b include holes 21c into which the combs 35 extend.
  • Small channel members 21e , 21f are secured on the inside of the channel members 21a and 21b .
  • the small channel members 21e , horizontal guide holes 21g and inclining guide holes 21h are bored to incline toward the lower right side along the same direction to each other.
  • Channel members 21f , horizontal guide holes 21j and inclined guide holes 21k are inclined toward the lower right side along the same direction.
  • Pins 34c extend through the elongate shaft 34 and extend into horizontal and inclining holes.
  • the channel members 21a , 21b When the channel members 21a , 21b are moved in the direction of the illustrated arrow in opposition to the force supplied by the spring 33 , the combs are withdrawn from the surface of the winding roll along the inclining guide holes 34a , 34b , and, as a result, the cross-sectional size of the winding roll decreases.
  • the knitted fabric is easily removed from the winding roll in the direction of the roll axis. After the fabric wound on the winding roll is removed, the winding roll is restored to the initial position in which the combs 35 project from the roll surface to prepare for subsequent winding of the knitted fabric.
  • the turning lever 28 is mounted on the frame by a pin 36 positioned in a recess formed on the frame arm 16 .
  • the forward portion of the turning lever 28 includes a cut-away, concave portion 28a , which supports the free end of the winding roll 21 .
  • the other end of the turning lever 28 includes an inclined portion 28b .
  • a spring 28c is fixed between the winding frame arm 16 and the turning lever 28 to bias the lever arm.
  • the locking mechanism 27 is positioned on the lower end of the lever arm 28 .
  • the locking mechanism 37 includes a cam 38 on which the turning lever 28 abuts.
  • a collar 40 aids in supporting the cam 38 and a geared motor 39 , which is operatively connected to the cam 38 .
  • the cam 38 is positioned at 90 degrees relative to a sensor plate 41 . When the cam 38 is rotated vertically, and turned into a position as shown by the double-dash line, knitted fabric is in position to be doffed.
  • the cam 38 and collar 40 are positioned in a support box 42 .
  • Two contactless switches KS11 and KS12 are positioned in the support box.
  • the support box is mounted to a base plate.
  • the fabric guide mechanism 43 is positioned above the frame arms 16 , 17 , and includes a fabric guide plate 44 and spring 45 for pressing the guide plate 44 onto the knitted fabric.
  • the fabric guide plate 44 is rotatably fixed to arms 46 horizontally extending from the frame arms 16 , 17 .
  • the fabric guide plate 44 presses against the forward end of the knitted fabric at the start of the winding, while pressing and stabilizing the wound fabric as the roll of knitted fabric diametrically enlarges.
  • the guide plate 44 accurately moves while touching the knitted fabric in opposition to the biasing force of the spring 45 as the diameter of the wound knitted fabric roll increases.
  • the fabric doffing mechanism includes a doffing plate 49 for pressing the side of the knitted wound fabric on the winding roll 21 .
  • a movable block 50 includes a female screw portion fixed to the doffing plate 49 and integral therewith. Screws 51 mesh with the movable block 50 .
  • a motor 52 drives the screw 51 .
  • Two guide bars 53 are in parallel with the screw 51 and are inserted into support frame members 54 .
  • the movable block 50 is displaceable between support frame members 54 .
  • a sprocket wheel 55 is secured onto one end of the screw 51 beyond the outer side of the support frame 54 .
  • the sprocket wheel is driven by a motor 52 secured to another sprocket wheel 56 through a chain mechanism.
  • the motor 52 is connected to a motor support frame 57 positioned on the side of the support frame 54 .
  • a channel configured cover 58 and angle members 59 are fixed onto the sides of the support frame members 54 at upper and lower portions. Both side ends of the cover 58 and angle members 59 are shielded, such as by resilient rubber plates 60 , positioned above and below the entrance to prevent fibers from entering.
  • the arms 50a on both sides of the movable block 50 extend upward beyond the rubber plate 60 .
  • a vertical plate 50b is fixed on the arms 58 .
  • the doffing plate 49 is connected to the vertical plate 50b and the forward end of the doffing plate extends within the vicinity of the winding roll 21 ( Figure 4).
  • a sensor plate 50c is connected to the side end portion of the movable block.
  • a contactless switch KS13 detects the positional base point of the movable block 50 .
  • a contactless switch KS14 for detecting the most extended use displacement of the block 50 is fixed opposite to the sensor plates 50c .
  • the fabric cutting mechanism 48 is positioned outside the fabric doffing mechanism 47 , and includes a circular cutter portion 61 and a cutter displacement and driving mechanism 62 .
  • the circular cutter portion 61 includes a motor 62a on which a circular cutter 62b is fixed ( Figures 4 and 11).
  • the circular cutter 62b includes a cover 63 for protecting the cutter and minimizing chance of injury.
  • the cover 63 is supported on a bent, upright stand 64 so that the cutter member 61 is positioned close to the knitted fabric.
  • the stand 64 is supported on the cutter displacement and driving portion 62 , which includes a movable member 65 , transmission wire belt mechanism 66 , rail member 69 and a motor 67 for moving these components.
  • a mounting support block 68 is connected to the upper side of the bottom portion of the movable member 65 and is integral therewith.
  • the block 68 includes pulley rollers 70 positioned at both sides so that the rail member 69 is displaceable.
  • a power supply brush 71 is connected to the cutter portion, and a motor 67 is fixed to the rail member 69 .
  • Wheel 73 , 74 are positioned on the rail member 69 and a pulley belt or wire 75 extends therearound. The pulley wheels 73 , 74 are connected to the motor 67 and the rail member 69 .
  • Rotation of the pulley wheel 73 drives pulley wheel 74 and displaces the mounting support block 68 connected to the pulley wire 75 , as well as the movable block 65 .
  • a sensor plate 65c is connected to the side end of the movable member 65 .
  • a contactless switch KS3 detects the positional base point of the movable member 65 .
  • a contactless switch KS4 detects the terminal point of displacement of the member fixed opposite the sensor plate 65c .
  • FIG 14 a plan view showing a contactless switch for stopping the winding roll and detecting the knitted fabric is illustrated.
  • the contactless switch KS2 allows stopping of the winding roll at a fixed position.
  • the contactless switch is connected to the side of the box 82 at a position in close proximity to the winding unit 4 .
  • a sensor plate 83 is connected to the bottom of the winding unit 45 .
  • a micro switch KS17 is contained in a containment box secured to the base plate.
  • the gate opening and closing mechanism 76 includes a transmission motor. Below the window portion 80 , pulley wheels 77 are positioned and a pulley wire 78 extends between and around the pulley wheels.
  • a motor 78 is fixed on one of the pulley wheels 77 , a transparent slide 81 is connected to the pulley wire.
  • the slide 81 moves as the pulley wire moves right and left.
  • the slide 81 is larger in size than the window portion 80 and is supported by guide rollers 82 positioned on right and left corners.
  • a dash line drawn in the window portion of Figure 16 indicates a knitting fabric wound on the winding roll 21 .
  • the fabric is doffed to a position shown in Figure 2 across from the window portion 80 when pushed by the doffing mechanism 47 . Afterward, the doffed fabric is conveyed by a cart, belt conveyor or the like to a position for subsequent processing.
  • a sensor plate is integrally fixed to the slide 81 and positioned on the lower end of the slide 81 .
  • contactless switches KS7 and KS8 are fixed for detecting the positional base point of the plate 83 and the terminal point of displacement.
  • a console of the digital panel mechanism 7 comprises a 10-key pad into which preset values and motor speed control values for the knitting machine are input.
  • the digital panel includes function keys, monitors and trouble shooting lamps.
  • a central processing unit (hereinafter referred to as "CPU") (not shown) performs processing in accordance with the pre-input sequence control program.
  • the CPU is positioned in the digital panel 7 .
  • the digital panel is connected to the ACI motor control panel 9 and the auto doffer control panel 10 .
  • ACI control panel 9 and auto doffer control panel 10 are connected to each other.
  • the ACI motor control panel 9 is connected to the motor M of the knitting machine for controlling the machine.
  • the auto doffer control panel 10 has the following components connected thereto: 1) contactless switches KS7 (base point) and KS8 (terminal point) for confirming positions of the gate opening and closing; 2) gate opening-closing motor M1 ; 3) contactless switches KS3 (base point) and KS4 (terminal point) for confirming a position of the fabric cutting device 48 ; 4) fabric cutter displacing motor M2 and cutter motor M3 ; 5) contactless switches KS13 (base point) and KS14 (terminal point) for confirming a position of the fabric doffing device; 6) motor M4 for displacing the fabric doffing device; 7) contactless switches KS11 (base point) and KS12 (terminal point) to confirm a locking-unlocking position for locking and unlocking the winding roll; 8) motor 5 for locking and unlocking the winding roll; and 9) contactless switch KS2 for confirming stop of the winding unit at a fixed position.
  • signals enabling the doffer to halt (wait) operation are transmitted from the digital panel device 7 to mechanisms connected to the auto doffer control panel 10 .
  • the ACI motor control panel 9 transmits to the auto doffer control panel 10 signals obtained from mechanisms connected to the auto doffer control panel 10 , indicating that the knitting machine is rotating.
  • Signals from the contactless switch KS1 indicating the speed and number-of-revolutions of the knitting machine, are transmitted to the CPU of the digital panel device 7 .
  • the output side of the CPU is connected to the motor M of the knitting machine through the ACT motor control panel 9 .
  • Signals from the contactless switch KS1 control the speed of the motor M of the knitting machine, for example, three steps as normal, medium, and low modes with the ROM incorporated into the ACI motor control panel 9 and programmed beforehand.
  • the contactless switch KS1 is connected to the auto doffer control panel 1O through the digital panel device 7 .
  • stop signals are transmitted to the ACI motor control panel 9 through the digital panel device 7 .
  • the stop signals transmitted to the ACI motor control panel 9 are transmitted as retardation signals to the motor M connected to the output side of the ACI motor control panel 9 to stop the knitting machine at a fixed position after driving at low speed.
  • the contactless switch KS2 detects the fixed stop position of the winding unit.
  • Fixed position stop signals are transmitted to the auto doffer control panel 10 .
  • the fixed position stop signals of the winding unit 4 transmitted to the auto doffer control panel 10 are in turn transmitted to a mechanism connected to the output side of the panel 10 and then further transmitted to the mechanism after completion of an operation of one mechanism performed in the order of desired operations.
  • a microswitch KS17 for confirming that the fabric is wound on the winding roll 21 , is connected to the digital panel 7 .
  • the switch KS17 operates when winding of the fabric on the winding roll 21 fails. At that time stop signals are transmitted to the digital panel 7 to stop the motor M connected through the ACI motor control panel 9 , as well as the other mechanisms connected to the auto doffer control panel 10 .
  • An operation panel 84 enables full automatic operation and allows a series of mechanisms to automatically operate, and operate in semi-automatic operation, as well as to allow each mechanism to operate independently from the others when wrong operation is caused, and manual operation is fixed to the auto doffer control panel 10 .
  • a preset counter of the digital panel 7 begins counting, and the contactless switch KS1 inputs the signals indicative of the number of revolutions of the knitting machine into the central processing unit ("CPU” hereafter) (not shown) of the digital panel 7 .
  • An accumulated value of the number of revolutions is calculated for comparison with a sequence process algorithm inputted beforehand. (N step 100 ).
  • the number of revolutions of the knitting machine is compared with a preset value to determine if the number of revolutions has reached that value.
  • the motor is retarded according to an instruction of the motor control panel, placing the knitting machine in the low speed driving mode (N step 102 ).
  • the knitting machine continues operating.
  • the knitting machine is stopped. If the winding unit has not reached the fixed position, the machine is driven at low speed until the unit reaches the fixed position.
  • the switch KS18 compares the diameter of the fabric package with a standard value of 200 mm.
  • the operation is shifted to the N step 106 in which the contactless switch kS2 determines the fabric package is in the fixed position.
  • the operation is checked with the semi-auto mode. If the winding unit in not in the fixed position error is implied, and the operator performs checking.
  • the geared motor 5 of the lever locking and unlocking mechanism 37 is driven.
  • the cam 38 fitted onto the shaft of the geared motor 5 turns by 90° in the vertical direction and abuts on the turning lever 28 for turning the lever and releasing the free end of the winding roll 21 .
  • the contactless switch KS12 determines the position in which the turning lever 28 turns for locking and unlocking the winding roll 21 .
  • the N step 110 determinations are made as to whether the contactless switch KS2 for stopping the winding unit 4 at the fixed position is operative and the switch KS12 for locking-unlocking the winding roll 21 is operative.
  • the contactless switch KS8 determines whether the gate has been opened. If the gate has been opened, the operation is shifted to the N step 113 in which the gate opening-closing motor M1 is stopped. If the gate has not been opened, the gate opening-closing motor M1 continues rotating until the gate is opened.
  • the determinations are made whether the contactless switch KS2 for stopping the winding unit 4 at the fixed position is operable, and whether the KS12 for locking-unlocking the winding roll 21 is operable.
  • the cutter motor M3 and cutter displacing motor M2 are enabled. If the switched are not operable, error is implied and the operator checks for error. In the N step 116 , a determination as to whether the fabric cutting mechanism 48 has reached the terminal point is made.
  • the cutter displacing motor M2 stops; otherwise, the cutter displacing motor M2 continues operation.
  • the cutter displacing motor M2 rotates in the reverse direction to return the cutter to the initial base position (N step 119 ) if the contactless switch KS2 for the fixed position stop of the winding unit 4 , and the KS12 for locking unlocking of the winding roll 21 are determined to be in operation; otherwise, error is implied and the operator performs checking.
  • the cutter displacing motor M2 is stopped (N step 121 ); otherwise, the cutter displacing motor M2 continues operation.
  • the step is shifted to the N step 123 in which the motor for doffing the fabric is driven to push the fabric on the winding roll 21 outside of the machine so that the fabric may be doffed.
  • the fabric doffing motor M4 is stopped (N step 125 ); otherwise, the fabric doffing motor M4 is stopped.
  • the fabric doffing motor is rotated in the reverse direction and the fabric doffing mechanism 47 returns to the initial base position (N step 127 ); otherwise, error is implied and the operator performs checking.
  • the motor for the fabric doffing device 47 is stopped (N step 129 ); otherwise, driving of the motor for the fabric doffing device 47 continues.
  • the switch KS 13 determines whether the motor M4 for fabric doffing has terminated. If that motor is off, the motor M1 for opening and closing the gate 12 is rotated in the reverse direction so that the gate 12 is displaced to the initial closure position; otherwise, error is implied and the operator performs checking.
  • the motor M1 for opening and closing the gate 12 is stopped.
  • the motor M5 for actuating a locking-unlocking cam 38 for the winding roll 21 is rotated in the reverse direction and the winding roll 21 is turned and locked by the turning lever 28 (N step 135 ); otherwise, error is implied and the operator performs checking.
  • the fabric retention confirming switch KS11 determines whether the turning lever 28 for locking-unlocking of the winding roll locks the winding roll.
  • the turning lever 28 is retaining the winding roll, other mechanisms and components are sensed to determine whether they are stopped: the driving part for displacing the cutter; the closure of the gate 12 ; the locking of the winding roll by the locking-unlocking cam 38 ; and whether the fabric doffing device is stopped or performed in base positions. If the above mechanisms are stopped, the knitting machine is started again; otherwise, error is implied, and the operator performs checking.
  • the invention provides the benefits and advantage of relieving the knitting machine operator of heavy labor normally associated with conveyance of the knitted fabric roll, and enables an increase in knitting machine operation.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Machines (AREA)
  • Replacement Of Web Rolls (AREA)

Claims (9)

  1. Vorrichtung zum automatischen Aufwickeln und Abnehmen der Strickware von einer Rundstrickmaschine, umfassend eine Aufwickeleinheit (4), die unterhalb des Zylinders angeordnet ist, sich synchron mit dem Zylinder dreht und die Auslieferrollen (19, 20) für die Ware mit Hilfe eines Kraftübertragungsmechanismus antreibt, der mit der sich drehenden Aufwickeleinheit (4) verbunden ist, mit einem Wickelkern (21) zum Aufwickeln der Strickware, wobei der Wickelkern (21) zwei gegenüberliegende Enden aufweist, mit Mitteln (43) um dem Wickelkern (21) die Ware zu Beginn des Wickelvorgangs zuzuführen, mit Mitteln zum Anhalten des Wickelkerns (21), wenn eine vorbestimmte Menge der Ware auf den Wickelkern (21) aufgewickelt ist, mit Mitteln (48) zum Abschneiden der Ware nach dem Aufwickeln, mit Abnahmemitteln (47) zum Abnehmen der Ware von dem Wickelkern (21) in Richtung der Kernachse, nachdem eine bestimmte Länge der Ware auf die Rolle aufgewickelt worden ist, und mit einem Rahmen mit einander gegenüberliegenden Rahmenteilen (16, 17),
    dadurch gekennzeichnet, daß der Wickelkern (21) umfaßt, Mittel zum Verändern des Durchmessers, so daß eine auf den Wickelkern (21) aufgewickelte Ware vom Wickelkern abnehmbar ist, kammartige Mittel (35), die auf der Oberfläche des Wickelkerns (21) angeordnet sind, wobei diese kammartigen Mittel von einer zurückgezogenen Position unterhalb der Oberfläche in eine ausgestreckte, über die Oberfläche des Wickelkerns (21) hinausragende Position bewegbar sind, um die Strickware zu erfassen und auf dem Wickelkern (21) zu halten, und Schwenkmittel, die ein Ende des Wickelkerns (21) mit einem der Rahmenteile (16, 17) verbinden.
  2. Vorrichtung nach Anspruch 1, wobei der Wickelkern (21) zwei die Oberfläche des Wickelkerns (21) in zwei Hälften teilende Kanalelemente (21a, 21b) umfaßt und Mittel zum Bewegen der Hälften relativ zueinander, um die Querschnittsgröße des Wickelkerns (21) zu verändern.
  3. Vorrichtung nach einem der Ansprüche 1 oder 2, wobei die Kanalelemente (21a, 21b) des Wickelkerns (21) Führungselemente (21e, 21f) mit Löchern (21g, 21h, 21j, 21k) umfassen und wobei die jeweils eine Hälfte bildenden Kanalelemente (21a, 21b) in die Führungselemente (21e, 21f) eingreifen und entlang der Löcher (21g, 21h, 21j, 21k) geführt werden, wenn die Querschnittsgröße des Wickelkerns (21) verändert wird.
  4. Vorrichtung nach einem der Ansprüche 1 bis 3, wobei ein schwenkbar angeordneter Drehhebel (28) das andere Ende des Wickelkerns (21) unterstützt, so daß das andere Ende des Wickelkerns (21) aus einer Ausgangs-, Aufwickelstellung in eine Endlade-, Abnahmestellung bewegbar ist, und die Abnahmemittel (47) eine Abnahmeplatte (49) umfassen, um eine aufgewickelte Warenrolle seitlich vom Wickelkern (21) zu drücken.
  5. Vorrichtung nach einem der Ansprüche 1 bis 4 und ferner umfassend Arretiermittel (37), die operativ mit dem Drehhebel (28) verbunden sind, um den Drehhebel (28) in einer Position zu arretieren, in der der Drehhebel (28) den Wickelkern (21) in der Ausgangs-, Aufwickelstellung unterstützt, und um den Drehhebel (28) zu entarretieren, um dem Drehhebel (28) ein Schwenken und Lösen von dem Wickelkern (21) zu ermöglichen, wobei die Arretiermittel (37) Motormittel (39) umfassen, die operativ mit der Nocke (38) verbunden sind, um die Nocke (38) zum Drehen des Drehhebels (28) zu drehen.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5 umfassend ein Tor (12), welches angrenzend an die Aufwickeleinheit (4) zwischen den Rahmenteilen (16, 17) zum Schützen und im wesentlichen Abdecken der Aufwickeleinheit (4) angeordnet ist, und umfassend Mittel zum automatischen Öffnen und Schließen des Tores (12), wenn die Strickware von dem Wickelkern (21) abgenommen wird.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, wobei einer der Rahmenteile (16, 17) im wesentlichen C-förmig ist und in die Richtung gebogen ist, entlang der die Ware abgenommen wird.
  8. Vorrichtung nach einem der Ansprüche 1 bis 7, wobei die Mittel (48) zum Abschneiden der Ware von der Aufwickeleinheit (4) beabstandet angeordnet sind.
  9. Verfahren zum automatischen Aufwickeln und Abnehmen der Strickware von einer Rundstrickmaschine umfassend die Verfahrensschritte
    Zuführen der Strickware zu einem Wickelkern (21), der zwischen einander gegenüberliegenden Rahmenteilen (16, 17) einer Aufwickelvorrichtung angeordnet ist,
    Fassen der Ware auf dem Wickelkern (21), indem die geführte Ware von einer Vielzahl von Kämmen (35) erfaßt wird, die auf dem Wickelkern (21) angeordnet sind und über die äußere Oberfläche des Wickelkerns (21) hinausragen,
    Aufwickeln der Ware auf den Wickelkern (21),
    Erfassen der Länge der auf den Wickelkern (21) aufgewickelten Ware,
    Zurückziehen der Kämme (35) in den Wickelkern (21),
    Abnehmen der Ware vom Wickelkern (21) und Öffnen eines Tores (12), welches den Wickelkern (21) überdeckt und schützt, um das Abnehmen der Strickware aus der Maschine zu ermöglichen.
EP19910115781 1990-09-19 1991-09-18 Vorrichtung und Verfahren zum Aufwickeln und Abnehmen von dem Gestrickbaum an einer Rundstrickmaschine Expired - Lifetime EP0485717B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP251211/90 1990-09-19
JP02251211A JP3095171B2 (ja) 1990-09-19 1990-09-19 丸編機の編地自動巻取・排出装置および方法

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EP0485717A2 EP0485717A2 (de) 1992-05-20
EP0485717A3 EP0485717A3 (en) 1992-09-02
EP0485717B1 true EP0485717B1 (de) 1996-02-21

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EP (1) EP0485717B1 (de)
JP (1) JP3095171B2 (de)
DE (1) DE69117256T2 (de)
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Publication number Priority date Publication date Assignee Title
JP3059800B2 (ja) * 1991-09-20 2000-07-04 株式会社福原精機製作所 丸編機における編地巻取・排出装置およびその制御方法
CN103628250B (zh) * 2012-08-20 2016-05-18 泳立(厦门)机械有限公司 卷布机具自走及可调式同步卷收装置
CN104790114B (zh) * 2015-04-24 2016-11-09 南安市南星工业机械有限公司 一种大圆机的卷布机安全脱扣装置
TWI693314B (zh) * 2017-12-18 2020-05-11 黃宗貴 圓編機之運載系統及所使用之圓編機
CN110205745B (zh) * 2019-07-22 2024-02-02 苏州星科自动化科技有限公司 针织横机剪抽纱设备
CN113564795B (zh) * 2021-08-06 2022-04-19 浙江恒强科技股份有限公司 一种横机牵拉装置的织物自动检测和拉力自动调节的实现方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2242558A1 (de) * 1971-11-24 1973-05-30 Werkzeugmasch Okt Veb Anordnung zur messung und auswertung der hauptschnittkraft an drehmaschinen
CH541646A (fr) * 1971-11-30 1973-09-15 Bonneterie S A Et Mécanisme pour l'enroulement et l'extraction du tricot enroulé pour métier à tricoter circulaire
JPS534140B2 (de) * 1973-08-09 1978-02-14
US4030582A (en) * 1975-04-28 1977-06-21 Milliken Research Corporation Quick disconnect coupling
JPS61174456A (ja) * 1985-01-25 1986-08-06 株式会社　福原精機製作所 メリヤス丸編機の巻取部における駆動装置
JPS6359459A (ja) * 1986-08-23 1988-03-15 グンゼ株式会社 メリヤス丸編機の生地捲取装置
DE3718659C1 (de) * 1987-06-04 1988-08-18 Sipra Patent Beteiligung Warenabzugs- und -aufwickelvorrichtung fuer Rundstrickmaschinen

Also Published As

Publication number Publication date
EP0485717A3 (en) 1992-09-02
JPH04136248A (ja) 1992-05-11
EP0485717A2 (de) 1992-05-20
DE69117256T2 (de) 1996-10-31
DE69117256D1 (de) 1996-03-28
JP3095171B2 (ja) 2000-10-03
TW235316B (de) 1994-12-01
ES2087196T3 (es) 1996-07-16

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