EP3363757A1 - Machine de traitement de fil - Google Patents

Machine de traitement de fil Download PDF

Info

Publication number
EP3363757A1
EP3363757A1 EP18153402.5A EP18153402A EP3363757A1 EP 3363757 A1 EP3363757 A1 EP 3363757A1 EP 18153402 A EP18153402 A EP 18153402A EP 3363757 A1 EP3363757 A1 EP 3363757A1
Authority
EP
European Patent Office
Prior art keywords
yarn
negative pressure
cart
suction
yarn processing
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
EP18153402.5A
Other languages
German (de)
English (en)
Other versions
EP3363757B1 (fr
Inventor
Makoto Ito
Hiroyuki Susami
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 EP3363757A1 publication Critical patent/EP3363757A1/fr
Application granted granted Critical
Publication of EP3363757B1 publication Critical patent/EP3363757B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/22—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores
    • B65H54/26—Automatic winding machines, i.e. machines with servicing units for automatically performing end-finding, interconnecting of successive lengths of material, controlling and fault-detecting of the running material and replacing or removing of full or empty cores having one or more servicing units moving along a plurality of fixed winding units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H54/00—Winding, coiling, or depositing filamentary material
    • B65H54/70—Other constructional features of yarn-winding machines
    • B65H54/707—Suction generating system
    • 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
    • B65H63/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to excessive tension or irregular operation of apparatus
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H13/00—Other common constructional features, details or accessories
    • D01H13/005—Service carriages travelling along the machines
    • 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 processing machine including a plurality of yarn processing units arranged side by side in an arranging direction, an operation cart, a suction duct, and a suction device.
  • the operation cart is movable in the arranging direction and is capable of executing an operation on the yarn processing units.
  • the suction duct is arranged along the arranging direction.
  • the suction device is connected to the suction duct.
  • the operation cart includes an operation member and a detection means.
  • the operation member is connected to the suction duct when the operation cart is at an operation position where an operation can be carried out on the yarn processing unit, and to carry out the operation using a negative pressure in the suction duct.
  • the detection means detects the negative pressure supplied from the suction duct.
  • the operation cart thus carries out the operation by the operation member while being supplied with the negative pressure of greater than or equal to the prescribed value, and thus the operation mistake can be reliably reduced.
  • waste yarn clogging is assumed to occur in the negative pressure sudden change area, the area of waste yarn clogging can be specified by executing the search mode.
  • the operation cart preferably carries out the detection of the negative pressure while moving at a low speed in the search mode.
  • the low speed means a speed lower than the speed of when the operation cart moves to the operation position upon receiving the operation request from the yarn processing unit.
  • the suction mouth is preferably connected to a suction tube fixedly attached to the operation cart and is swingable with respect to the suction tube; and the detection means is preferably arranged on the suction tube.
  • the draft device 21 draws (drafts) a sliver S, which is a material of the fiber bundle T, to a predetermined width to obtain the fiber bundle T by conveying the sliver S between the rotating draft rollers 25 to 28 and the opposing rollers 25a to 28a facing the draft rollers.
  • the spinning chamber 73 is formed downstream of the fiber guide 72.
  • a plurality of first nozzles 74 are formed at equal intervals around the spinning chamber 73.
  • Compressed air supplied from a compressed air supplying source (not illustrated) is injected from the plurality of first nozzles 74 to the spinning chamber 73, thus generating a whirling airflow at the spinning chamber 73.
  • the fiber bundle T is applied with twists by the whirling airflow in the spinning chamber 73, and then fed to the hollow guide shaft body unit 80.
  • the yarn joining cart 3 When the yarn joining cart 3 carries out the yarn joining operation, the yarn joining cart 3 is moved to the operation position A corresponding to the spinning unit 2 to be the target of the yarn joining operation, and stopped thereat. Then, the yarn joining device 52 overlaps the yarn path in the spinning unit 2 to be the target of the yarn joining operation when seen from the front, and the connecting tube 57 is connected to the corresponding opening 11a.
  • the connecting tube 57 When the connecting tube 57 is connected to the suction duct 11 through the opening 11a, the flow of air from the suction pipe 53 and the suction mouth 54 to the suction device 12 through the suction tubes 58, 59, the connecting tube 57, and the suction duct 11 is formed, as illustrated with an arrow in FIG. 8 .
  • the negative pressure suction force
  • step S17 When the value of the negative pressure detected by the detection means 60 is smaller than the prescribed value in steps S12 and S14, an alarm indicating that the negative pressure is smaller than the prescribed value is displayed on the display section 8 (step S17).
  • the alarm allows an operator to know that waste yarn clogging occurred somewhere in the suction duct 11.
  • the yarn joining cart 3 then executes a search mode for searching a negative pressure sudden change area (area of waste yarn clogging) where the negative pressure of the suction duct 11 changes by greater than or equal to a predetermined amount in the arranging direction (step S18).
  • the method of using the value detected by the detection means 60 is not limited thereto.
  • the substantive suction force changes by the negative pressure supplied to the suction mouth 54 and the distance between the suction port of the suction mouth 54 and the outer peripheral surface of the package P. Therefore, the catching success rate of the yarn end can be improved while maintaining the substantive suction force constant by adjusting such a distance based on the value of the negative pressure detected by the detection means 60.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
EP18153402.5A 2017-02-20 2018-01-25 Machine de traitement de fil Active EP3363757B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017028627A JP2018135160A (ja) 2017-02-20 2017-02-20 糸処理機

Publications (2)

Publication Number Publication Date
EP3363757A1 true EP3363757A1 (fr) 2018-08-22
EP3363757B1 EP3363757B1 (fr) 2019-07-24

Family

ID=61027539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18153402.5A Active EP3363757B1 (fr) 2017-02-20 2018-01-25 Machine de traitement de fil

Country Status (2)

Country Link
EP (1) EP3363757B1 (fr)
JP (1) JP2018135160A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112301475A (zh) * 2019-08-02 2021-02-02 里特机械公司 有并排工作站和带气动工作机构的可移动维护装置的纺纱机及给气动工作机构供负压的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001200432A (ja) * 2000-01-14 2001-07-27 Murata Mach Ltd 繊維機械
EP1659082A2 (fr) * 2004-11-19 2006-05-24 Murata Kikai Kabushiki Kaisha Machine textile
JP2014009052A (ja) 2012-06-28 2014-01-20 Murata Mach Ltd 繊維機械
EP2924154A1 (fr) * 2014-03-26 2015-09-30 Murata Machinery, Ltd. Machine de renvideur de fil
EP2985371A2 (fr) * 2014-08-11 2016-02-17 Murata Machinery, Ltd. Fileuse

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001200432A (ja) * 2000-01-14 2001-07-27 Murata Mach Ltd 繊維機械
EP1659082A2 (fr) * 2004-11-19 2006-05-24 Murata Kikai Kabushiki Kaisha Machine textile
JP2014009052A (ja) 2012-06-28 2014-01-20 Murata Mach Ltd 繊維機械
EP2924154A1 (fr) * 2014-03-26 2015-09-30 Murata Machinery, Ltd. Machine de renvideur de fil
EP2985371A2 (fr) * 2014-08-11 2016-02-17 Murata Machinery, Ltd. Fileuse

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112301475A (zh) * 2019-08-02 2021-02-02 里特机械公司 有并排工作站和带气动工作机构的可移动维护装置的纺纱机及给气动工作机构供负压的方法
EP3771756A1 (fr) * 2019-08-02 2021-02-03 Maschinenfabrik Rieter AG Métier à filer doté d'une pluralité de poste de travail disposés adjacents et d'un dispositif d'entretien mobile doté d'un élément de travail pneumatique ainsi que procédé d'alimentation de l'élément de travail pneumatique en dépression
US11530496B2 (en) 2019-08-02 2022-12-20 Maschinenfabrik Rieter Ag Spinning machine comprising a plurality of adjacently arranged workstations and a displaceable maintenance unit with a pneumatic working element and method for supplying the pneumatic working element with vacuum

Also Published As

Publication number Publication date
JP2018135160A (ja) 2018-08-30
EP3363757B1 (fr) 2019-07-24

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