DE69404513D1 - Yarn quality control system and associated device - Google Patents

Yarn quality control system and associated device

Info

Publication number
DE69404513D1
DE69404513D1 DE69404513T DE69404513T DE69404513D1 DE 69404513 D1 DE69404513 D1 DE 69404513D1 DE 69404513 T DE69404513 T DE 69404513T DE 69404513 T DE69404513 T DE 69404513T DE 69404513 D1 DE69404513 D1 DE 69404513D1
Authority
DE
Germany
Prior art keywords
yarn
arm
solidly
piezoelectric sensor
guide loop
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 - Fee Related
Application number
DE69404513T
Other languages
German (de)
Other versions
DE69404513T2 (en
Inventor
Paolo Savio
Mario Liani
Bruno Marcon
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.)
Atex SpA
Original Assignee
Atex SpA
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 Atex SpA filed Critical Atex SpA
Publication of DE69404513D1 publication Critical patent/DE69404513D1/en
Application granted granted Critical
Publication of DE69404513T2 publication Critical patent/DE69404513T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • D01H13/14—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements
    • D01H13/16—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material
    • D01H13/1616—Warning or safety devices, e.g. automatic fault detectors, stop motions ; Monitoring the entanglement of slivers in drafting arrangements responsive to reduction in material tension, failure of supply, or breakage, of material characterised by the detector
    • D01H13/1633—Electronic actuators
    • 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
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/028—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element
    • B65H63/032—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic
    • B65H63/0321—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators
    • B65H63/0327—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators using piezoelectric sensing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B65H2513/11—Speed angular
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Looms (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Coating With Molten Metal (AREA)

Abstract

System to control the quality of yarn in association with spinning machines or twisting frames, in which the yarn (12) cooperates with a yarn-guide loop (11) fitted solidly to an arm (14) which bears the yarn-guide loop (11) and which is secured to the structure of the machine, the system including at least one piezoelectric sensor (13) solidly fitted to the arm (14) bearing the yarn-guide loop (11), the piezoelectric sensor (13) being associated with a data processing and control means (17), which processes the signal generated by the piezoelectric sensor (13) and generates an electrical signal (16) of a sinusoidal type having an amplitude proportional to the tension of the yarn (12) and a frequency proportional to the speed of rotation of the balloon. Device to control the quality of yarn, which is suitable to be integrated in the system of the claims hereinbefore and comprises an arm (14) secured to the structure of the machine and bearing a yarn-guide loop (11) solidly fixed to the arm (14), the arm (14) being solidly associated lengthwise with a piezoelectric sensor (13). <IMAGE>
DE69404513T 1993-03-17 1994-02-07 Yarn quality control system and associated device Expired - Fee Related DE69404513T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUD930044A IT1262088B (en) 1993-03-17 1993-03-17 YARN QUALITY CONTROL SYSTEM AND RELATED DEVICE

Publications (2)

Publication Number Publication Date
DE69404513D1 true DE69404513D1 (en) 1997-09-04
DE69404513T2 DE69404513T2 (en) 1998-02-19

Family

ID=11421261

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69404513T Expired - Fee Related DE69404513T2 (en) 1993-03-17 1994-02-07 Yarn quality control system and associated device

Country Status (5)

Country Link
EP (1) EP0616058B1 (en)
AT (1) ATE156203T1 (en)
DE (1) DE69404513T2 (en)
ES (1) ES2107062T3 (en)
IT (1) IT1262088B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2114468B1 (en) * 1995-11-24 1999-01-16 Univ Catalunya Politecnica PROCEDURE AND DEVICE FOR ADJUSTING THE YARN TORSION IN A VORTEX SPINNING NOZZLE.
US5718854A (en) * 1996-09-27 1998-02-17 E. I. Du Pont De Nemours And Company Detection of broken filaments
ES2154549B1 (en) * 1998-05-20 2001-11-16 Pinter Sa DEVICE FOR THE DETECTION OF BREAKS OF THREADS IN CONTINUOUS THREADING MACHINES.
JP2000110039A (en) * 1998-09-30 2000-04-18 Murata Mach Ltd Multiple twister
US6099963A (en) * 1999-03-18 2000-08-08 Alliedsignal Inc. Sizeless yarn, a method of making it and a method of using it
EP1707523A1 (en) * 2005-03-31 2006-10-04 Schärer Schweiter Mettler AG Method and device for rewinding of threads
IT202200006281A1 (en) 2022-03-30 2023-09-30 Savio Macch Tessili Spa TWINING UNIT WITH STAND-ALONE OPERATION YARN BREAK CONTROL SENSOR AND METHOD OF DETECTION OF YARN BREAKAGE IN TWITING

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR204658A1 (en) * 1974-04-13 1976-02-20 Palitex Project Co Gmbh DEVICES TO PRODUCE A COMMAND SIGNAL WHEN THREAD BREAK OCCURS IN TEXTILE MACHINES, ESPECIALLY IN DOUBLE TWISTING MACHINES
CH645593A5 (en) * 1978-05-16 1984-10-15 Kitamura Shinzo THREADBREAK DETECTOR.
JPH02259129A (en) * 1989-03-31 1990-10-19 Murata Mach Ltd Sensor of end breakage of single yarn in double twister
DE3942685A1 (en) * 1989-12-22 1991-06-27 Rieter Ag Maschf METHOD FOR OBTAINING A THREAD TENSION SIGNAL AND THREAD SENSOR

Also Published As

Publication number Publication date
IT1262088B (en) 1996-06-19
ATE156203T1 (en) 1997-08-15
ES2107062T3 (en) 1997-11-16
EP0616058B1 (en) 1997-07-30
DE69404513T2 (en) 1998-02-19
ITUD930044A0 (en) 1993-03-17
EP0616058A1 (en) 1994-09-21
ITUD930044A1 (en) 1994-09-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee