EP1481932A1 - Garnspulmaschine - Google Patents

Garnspulmaschine Download PDF

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Publication number
EP1481932A1
EP1481932A1 EP20040010211 EP04010211A EP1481932A1 EP 1481932 A1 EP1481932 A1 EP 1481932A1 EP 20040010211 EP20040010211 EP 20040010211 EP 04010211 A EP04010211 A EP 04010211A EP 1481932 A1 EP1481932 A1 EP 1481932A1
Authority
EP
European Patent Office
Prior art keywords
yarn
yarn defect
winding
defect
set condition
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
EP20040010211
Other languages
English (en)
French (fr)
Other versions
EP1481932B1 (de
Inventor
Kenji Kawamoto
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.)
Murata Machinery Ltd
Original Assignee
Murata Machinery 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 Murata Machinery Ltd filed Critical Murata Machinery Ltd
Publication of EP1481932A1 publication Critical patent/EP1481932A1/de
Application granted granted Critical
Publication of EP1481932B1 publication Critical patent/EP1481932B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/06—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to presence of irregularities in running material, e.g. for severing the material at irregularities ; Control of the correct working of the yarn cleaner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to a yarn winder comprising a plurality of winding units each of which rewinds a yarn unwound from a yarn supplying bobbin to a yarn winding bobbin to form a package.
  • a yarn defect detecting device is mounted on a yarn running path to detect the thickness and length of a yarn. If the detected thickness and length correspond to any of the defects indicated by set conditions such as N (extremely large like a nep or the like), S (thin and short), L (thick and long), T (thin and long), and C (relatively thick and very long), the yarn is determined to have a defect and is then cut. Then, information on the cut defect is accumulated as data. Subsequently, the data is used to evaluate yarn supplying bobbins and the grades of wound packages.
  • the detected yarn defect data does not always conform to defects actually occurring in the yarn. Accordingly, estimations are actually executed.
  • an aspect of the present invention according to Claim 1 provides a yarn winder comprising a yarn defect detector and operating when a yarn defect is detected on the basis of a set condition, to cut a yarn, remove the yarn defect part, and splices a yarn on a yarn supplying bobbin side to a yarn on a yarn winding bobbin side to restart winding the yarn, being characterized by being provided with a yarn defect sample function executed after the yarn has been cut during winding on the basis of the set condition, to stop winding without performing a yarn splicing operation and display the set condition for the cutting to allow checking of the collected yarn defect sample and the displayed yarn defect set condition.
  • the displayed set condition for the cutting (the type of the yarn defect) enables the check to be executed simultaneously with the recovery. This eliminates the time and labor required to bring the yarn defect sample and to go to confirm the yarn defect type. It is thus possible to easily check whether or not the yarn has been cut in accordance with the set condition.
  • An aspect of the present invention according to Claim 2 is the yarn winder according to Claim 1, characterized in that the set condition for the cut yarn defect is displayed on an indicator of a winding unit.
  • the existing indicator can be used to display the type of the yarn defect. This makes it possible to prevent an increase in the parts costs of the winding unit.
  • An aspect of the present invention according to Claim 3 is the yarn winder according to Claim 1 or 2, characterized in that the cut yarn defect is set so as to be limited to a particular type. Thus, the yarn defect type can be easily selected.
  • An aspect of the present invention according to Claim 4 is the yarn winder according to any one of Claims 1 to 3, characterized in that the yarn defect sample function is set for each group, and each unit is provided with a switch that selects whether or not to activate the yarn defect sample function.
  • the winding unit allows a special mode switch to be operated to select whether or not to execute the yarn defect sample function mode.
  • it is possible to set, for the individual winding units, whether winding is to be carried out in a normal mode or in a yarn defect sample function mode.
  • the setting is made for each group, thus enabling each winding unit to be easily identified.
  • a yarn winder (automatic yarn winder) according to the present embodiment comprises a plurality of winding units 1 arranged in line, and a frame control device 41 placed at one end of the yarn winder in a direction in which the winding units 1 are arranged in line, as shown in Figure 2.
  • each winding unit 1 winds a spun yarn (yarn) Y unwound from a yarn supplying bobbin B, around a bobbin Bf while traversing the yarn Y.
  • the winding unit 1 thus forms a package P having a specified length and a specified shape.
  • the winding unit 1 is provided with a unit frame 42 at its right or left side when viewed from its front.
  • a winding unit main body 43 is provided at a side of the unit frame 42 to execute a winding process.
  • the winding unit main body 43 comprises a cradle 2 that holds the bobbin Bf and a traverse drum (winding drum) 3 that traverses the yarn Y.
  • the cradle 2 can be pivoted to the traverse drum 3 to contact or separate the package P formed around the bobbin Bf, with or from the traverse drum 3.
  • a lift-up mechanism 2a and a package brake mechanism 2b are attached to the cradle 2, and the lift-up mechanism 2a separates the package P from the traverse drum 3 and the package brake mechanism 2b stops rotation of the package P gripped by the cradle 2 simultaneously with the lifting of the cradle 2.
  • a unit control device 21, shown in Figure 2 controls the activation of the lift-up mechanism 2a and package brake mechanism 2a.
  • the traverse drum 3 has a spiral traverse groove 3a formed in its surface to traverse the yarn.
  • the winding unit 1 has an unwinding assist device 4, a tensioning device 5, a yarn splicing device 7, and a clearer (yarn thickness detector) 8 disposed in this order following the yarn supplying bobbin B, in the yarn running path between the yarn supplying bobbin B and the traverse drum 3.
  • the unwinding assist device 4 assists the unwinding of the yarn from the yarn supplying bobbin B by lowering a cylinder covering the yarn supplying bobbin B as the yarn is unwound from the yarn supplying bobbin B.
  • the tensioning device 5 applies a predetermined tension to the running yarn,Y.
  • the tensioning device 5 is of a gate type in which movable comb teeth 5b are placed with respect to fixed comb teeth 5a.
  • the movable comb teeth 5b can be freely pivoted so as to be engaged with or released from the fixed comb teeth 5a. This pivoting operation is performed by a rotary solenoid.
  • the yarn splicing device 7 splices a lower yarn on the yarn supplying bobbin B side to an upper yarn on a package P side.
  • the clearer 8 detects a thickness defect in yarn Y.
  • An analyzer (not shown in the drawings) processes a signal from the clearer 8 which corresponds to the thickness of the yarn Y, to detect a yarn defect such as slab.
  • the clearer 8 is provided with a cutter 8a used when a yarn defect is detected, to cut the yarn. The activation of the cutter 8a is controlled by the analyzer or the unit control device 21.
  • Lower yarn catching and guiding means 11, and upper yarn catching and guiding means 12 are provided above and below the yarn splicing device 7, respectively, and the lower yarn catching and guiding means 11 catches and guides the lower yarn on the yarn supplying bobbin B side, and the upper yarn catching and guiding means 12 catches and guides the upper yarn on the package P side.
  • a suction port 11a of the lower yarn catching and guiding means 11 catches the lower yarn at the illustrated position. Then, the suction port 11a pivots upward around a shaft 11b to guide the lower yarn to the splicing device 7.
  • a suction mouth 12a of the upper yarn catching and guiding means 12 pivots upward from the illustrated position around a shaft 12b to catch the upper yarn from the reversed package P.
  • the suction mouth 12a further pivots downward around the shaft 12b to guide the upper yarn to the splicing device 7.
  • the splicing device 7 aligns the upper and lower yarns with each other and then splices them to each other using whirling air currents.
  • the unit control device 21 is built in the unit frame 42. Further, a display panel 22 is provided on a front surface of the unit frame 42 and is connected to the unit control device 21 so as to output and receive signals to and from it.
  • the unit control device 21 has a storage section 23 that stores a yarn defect indication table 31, shown in Figure 3, and various programs so that the table and programs can be arbitrarily rewritten, an arithmetic section 24 that can execute the programs, an input/output section 25 connected to the winding unit main body 43 and the display panel 22 so as to output and receive signals to and from them, and a communication section 26 connected to the frame control device 41 so as to transmit and receive data to and from it.
  • the yarn defect indication table 31 stored in the storage section of each winding unit 1, has a yarn defect type section and a display section as shown in Figure 3.
  • the yarn defect type section contains six types of yarn defects including "T-cut”, “C-cut”, “F-cut”, “Splice-cut”, “Additional-cut”, and "Other-cut”.
  • the types of yarn defects in the yarn defect indication table 31 are illustrative.
  • the table may contain seven or more types of yarn defects.
  • the display section is provided in association with the yarn defect type section.
  • the data in the display section is configured using combinations of the segments of a 7-segment LED. The data is configured so that for example, "A" is lighted for "Additional-cut”.
  • the programs stored in the storage section 23 of each winding unit 1 include an operation routine that allows the winding unit 1 to perform a normal winding operation and a yarn defect sample function mode routine that collect a desired yarn defect sample and displays the type of the yarn defect.
  • the execution of the yarn defect sample function mode routine and operation routine can be switched depending on whether or not a special mode switch 60, described later, is turned on. Specific operations of the yarn defect sample function mode routine will be described later.
  • the special mode switch 60 is provided on the above described display panel 22, connected to the input/output section 25.
  • the display panel 22 is provided in the upper part of a front surface of the unit frame 42 as shown in Figure 1.
  • a display section 52 is placed in the display panel 22.
  • the display section 52 comprises a higher digit indicator 54 and a lower digit indicator 55.
  • the indicators 54, 55 are each composed of a 7-segment LED.
  • the display section 52 can display the equipment number of input/output equipment provided in the winding unit main body 43. It can also display the type of a yarn defect when the yarn defect function mode routine is executed. Alternatively, the display section 52 may be configured to indicate the type of a yarn defect and an equipment number using a liquid crystal. In this case, the specific names of the type of a yarn defect and the input/output equipment can be directly displayed.
  • the special mode switch 60 is provided in the lower part of the display section 52.
  • the special mode switch 60 is composed of a single dip switch. When the special mode switch 60 is turned on, the winding unit 1 performs a winding operation in a special mode. When the special mode switch 60 is turned off, the winding unit 1 operates in a normal mode.
  • the special mode includes the yarn defect sample function mode, in which a yarn defect sample is collected while indicating the type of the yarn defect on the display section 52.
  • a start switch 61 is placed in the lower part of the display panel 22, comprising the various switches as described above.
  • the characters "ON” and “ OFF” are displayed above the start switch 61 and at a side of it, respectively.
  • the start switch 61 has a switch gripped portion 61a that can be switched between an "ON” position and an "OFF” position. Further, the start switch 61 is used to repeat collecting yarn defect samples, by being turned on and off and on again to instruct on restarting of an operation during the execution of the yarn defect sample function mode.
  • the start switch 61 may be of a depressed type instead of a rotative movement type. If the start switch 61 is of the depressed type, it can be switched between an on state and an off state every time it is depressed.
  • the winding unit 1 configured as described above has its own unit number.
  • the winding unit 1 is connected to the frame control device 41 so as to transmit and receive data from it.
  • the frame control device 41 comprises an external operation mode setting section 62 and an internal information processing section connected to the operation mode setting section 62.
  • the operation mode setting section 62 comprises an operation section such as switches and a display section such as an LCD (not shown in the drawings).
  • the frame control device 41 is adapted to set, for each group (yarn type), an operation mode in which the winding unit 1 is operated as well as a lot.
  • an operator operates switches in the operation mode setting section 62 of the frame control device 41 to select the yarn defect sample function mode from the operation modes.
  • the operator also selects a yarn defect type in the same manner. Subsequently, the operator performs a communication instructing operation to transmit a mode signal containing the yarn defect sample function mode and the yarn defect type to the winding unit 1 for each group (yarn type).
  • the single automatic yarn winder is composed of 60 winding units 1 (Nos. 1 to 60) and is rewinding three types of yarns; for example, the winding units Nos. 1 to 20 are rewinding a yarn type A, the winding units Nos. 21 to 40 are rewinding a yarn type B, and the winding units Nos. 41 to 60 are rewinding a yarn type C. Then, when the frame control device 41 sets the yarn defect sample function mode for the yarn type A, the mode signal is transmitted to the winding units 1 Nos. 1 to 20.
  • each of these winding units 1 When the mode signal is transmitted to the winding units 1 of the predetermined group, each of these winding units 1 first determines whether or not the special mode switch 60 is on (S1), as shown in Figure 4. If the special mode switch 60 is not on (S1, NO), the winding unit 1 is activated in the normal (standard) mode (S2) to re-execute the step S1. Then, it is assumed that the winding unit 1 to which the mode signal has been transmitted is performing a normal winding operation with the special mode switch 60 turned off. Then, even if the frame control device 41 transmits the mode signal to this winding unit 1, the settings in the mode signal are invalidated. As a result, even if the frame control device 41 is operated to set the winding unit 1 in the yarn defect sample function mode, the winding unit 1 continues a normal winding operation unless the special mode switch 60 is switched on.
  • the special mode switch 60 is switched on (S1, YES)
  • the winding unit 1 is operated on the basis of the operational conditions contained in the mode signal to collect a yarn defect sample (S6).
  • the yarn defect type data indicative of the yarn defect type is acquired from the mode signal (S7).
  • display data corresponding to the yarn defect type data is acquired (S8).
  • the segments corresponding to the display data are lighted.
  • the display section 52 displays the symbol corresponding to the yarn defect type data (S9).
  • step S11 it is determined whether or not the start switch 61 has been operated (S11). If the start switch 61 has not been operated (S11, NO), the step S11 is repeated with the yarn defect sample collected, to wait until the mode start switch 61 is operated.
  • the automatic yarn winder (yarn winder) according to the present embodiment comprises the clearer (yarn defect detector) as shown in Figure 1. Accordingly, when a yarn defect is detected on the basis of the set condition, the automatic yarn winder cuts the yarn, remove the yarn defect part, and splices the yarn Y on the yarn supplying bobbin B side to the yarn Y on the winding bobbin B side to restart winding.
  • the automatic yarn winder is provided with the yarn defect sample function executed after the yarn has been cut during winding on the basis of the set condition, to stop winding without performing a yarn splicing operation and display the set condition for the cutting to allow checking of the collected yarn defect sample and the displayed yarn defect set condition.
  • the displayed set condition for the cutting (the type of the yarn defect) enables the check to be executed simultaneously with the recovery. This eliminates the time and labor required to bring the yarn defect sample and to go to confirm the type of the yarn defect. It is thus possible to easily check whether or not the yarn has been cut in accordance with the set condition.
  • the set condition for the cut yarn defect is displayed on the display section (indicator) 52 of the winding unit 1.
  • the existing display section 52 can be used to display the type of the yarn defect. This makes it possible to prevent an increase in the parts costs of the winding unit 1.
  • the cut yarn defect is set so as to be limited to a particular type as shown in Figure 3.
  • the yarn defect type can be easily selected.
  • the yarn defect sample function is set for each group, and each unit is provided with the special mode switch 60 that selects whether or not to activate the yarn defect sample function.
  • the winding unit 1 allows the special mode switch 60 to be operated to select whether or not to execute the yarn defect sample function mode.
  • the setting is made for each group, thus enabling each winding unit 1 to be easily identified.
  • the operator is notified of the yarn defect type on the basis of the manner in which the higher digit indicator 54 of the display section 52, composed of the 7-segment LED, displays the corresponding symbol.
  • the operator may be notified of the yarn defect type by using an LCD or the like to display appropriate characters or using a sound or a combination of the character display and the sound.
  • the frame control device 41 sets and operates the winding unit so as to collect one type of yarn defect samples.
  • the present invention is not limited to this aspect.
  • the yarn winder is adapted to indicate the yarn defect type corresponding to the collected yarn defect sample, plural types of yarn defect samples can be consecutively collected.
  • the lower digit indicator 55 it is preferable to set the lower digit indicator 55 so as to indicate the ordinal collection number of each yarn defect sample and to enable the simultaneous display of the yarn defect type on the higher digit indicator 54 and the connection number on the lower digit indicator 55.
  • the present invention is effective in easily checking whether or not the set condition agrees with the type of an actual yarn defect, that is, whether or not the yarn has been cut in accordance with the set condition.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Winding Filamentary Materials (AREA)
EP20040010211 2003-05-30 2004-04-29 Garnspulmaschine Expired - Lifetime EP1481932B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003153818A JP3697590B2 (ja) 2003-05-30 2003-05-30 糸条巻取機
JP2003153818 2003-05-30

Publications (2)

Publication Number Publication Date
EP1481932A1 true EP1481932A1 (de) 2004-12-01
EP1481932B1 EP1481932B1 (de) 2009-06-03

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Family Applications (1)

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EP20040010211 Expired - Lifetime EP1481932B1 (de) 2003-05-30 2004-04-29 Garnspulmaschine

Country Status (4)

Country Link
EP (1) EP1481932B1 (de)
JP (1) JP3697590B2 (de)
CN (1) CN100336709C (de)
DE (1) DE602004021316D1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2272781A3 (de) * 2009-07-09 2011-09-14 Murata Machinery, Ltd. Garnwickelmaschine und Textilmaschine
CN102864537A (zh) * 2012-01-05 2013-01-09 杭州电子科技大学 一种集清纱与断纱检测一体的可编程化的控制器实现方法
EP2511215A3 (de) * 2011-04-12 2014-01-01 Murata Machinery, Ltd. Automatischer Wickler
EP2955143A1 (de) * 2014-06-11 2015-12-16 Saurer Germany GmbH & Co. KG Semiautomatische kreuzspulen herstellende textilmaschine

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4277227B2 (ja) * 2006-05-15 2009-06-10 村田機械株式会社 自動ワインダーにおける巻取パッケージの口出し方法及び自動ワインダー
DE102006045237A1 (de) * 2006-09-26 2008-04-03 Oerlikon Textile Gmbh & Co. Kg Spulmaschine
JP2011016630A (ja) * 2009-07-09 2011-01-27 Murata Machinery Ltd 繊維機械
JP2013241232A (ja) * 2012-05-18 2013-12-05 Murata Machinery Ltd 糸巻取装置
JP2013249190A (ja) 2012-06-04 2013-12-12 Murata Machinery Ltd 糸巻取装置
CN104176555A (zh) * 2014-09-02 2014-12-03 苏州市吴中三纺机械有限公司 自动倒筒机
JP2018177447A (ja) * 2017-04-11 2018-11-15 村田機械株式会社 条件表示装置、及び糸巻取機

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0734991A2 (de) * 1995-03-31 1996-10-02 SAVIO MACCHINE TESSILI S.p.A. Verfahren zum Verbinden von Textilfäden in einer Wickeleinheit, um ihren Zusammenhang wieder herzustellen
EP1300358A2 (de) * 2001-10-04 2003-04-09 Murata Kikai Kabushiki Kaisha Garnaufwickelmaschine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0734991A2 (de) * 1995-03-31 1996-10-02 SAVIO MACCHINE TESSILI S.p.A. Verfahren zum Verbinden von Textilfäden in einer Wickeleinheit, um ihren Zusammenhang wieder herzustellen
EP1300358A2 (de) * 2001-10-04 2003-04-09 Murata Kikai Kabushiki Kaisha Garnaufwickelmaschine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2272781A3 (de) * 2009-07-09 2011-09-14 Murata Machinery, Ltd. Garnwickelmaschine und Textilmaschine
EP2511215A3 (de) * 2011-04-12 2014-01-01 Murata Machinery, Ltd. Automatischer Wickler
CN102864537A (zh) * 2012-01-05 2013-01-09 杭州电子科技大学 一种集清纱与断纱检测一体的可编程化的控制器实现方法
CN102864537B (zh) * 2012-01-05 2014-09-17 杭州电子科技大学 一种集清纱与断纱检测一体的可编程化的控制器实现方法
EP2955143A1 (de) * 2014-06-11 2015-12-16 Saurer Germany GmbH & Co. KG Semiautomatische kreuzspulen herstellende textilmaschine

Also Published As

Publication number Publication date
CN1572698A (zh) 2005-02-02
CN100336709C (zh) 2007-09-12
JP3697590B2 (ja) 2005-09-21
DE602004021316D1 (de) 2009-07-16
JP2004352465A (ja) 2004-12-16
EP1481932B1 (de) 2009-06-03

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