WO2013072785A1 - Procédé de commande d'un dispositif de chargement de tubes dans une machine textile - Google Patents

Procédé de commande d'un dispositif de chargement de tubes dans une machine textile Download PDF

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Publication number
WO2013072785A1
WO2013072785A1 PCT/IB2012/054684 IB2012054684W WO2013072785A1 WO 2013072785 A1 WO2013072785 A1 WO 2013072785A1 IB 2012054684 W IB2012054684 W IB 2012054684W WO 2013072785 A1 WO2013072785 A1 WO 2013072785A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
bobbin
sensors
loading apparatus
loading
Prior art date
Application number
PCT/IB2012/054684
Other languages
English (en)
Inventor
Narayanaswamy KRISHNAKUMAR
Srinivasan RAJASEKARAN
Jayagopal DHARANIPATHI
Purusothaman SURESH
Original Assignee
Lakshmi Machine Works Limited
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 Lakshmi Machine Works Limited filed Critical Lakshmi Machine Works Limited
Publication of WO2013072785A1 publication Critical patent/WO2013072785A1/fr

Links

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
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/067—Removing full or empty bobbins from a container or a stack
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
    • B65H67/06—Supplying cores, receptacles, or packages to, or transporting from, winding or depositing stations
    • B65H67/069—Removing or fixing bobbins or cores from or on the vertical peg of trays, pallets or the pegs of a belt
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
    • D01H9/18—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for supplying bobbins, cores, receptacles, or completed packages to, or transporting from, paying-out or take-up stations ; Arrangements to prevent unwinding of roving from roving bobbins
    • 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 method of controlling tube loading apparatus of an auto doffer ring spinning machine. More particularly this invention relates to a control system defined to monitor and control the loading cycle of a tube loading apparatus of an auto doffer ring spinning machine.
  • This invention is with respect to the tube loading apparatus explained in co-pending Indian application 2990/CHE/2010.
  • a textile spinning or twisting machine includes a plurality of spindles uniformly spaced along the longitudinal extent of the textile machine.
  • the spindles individually supports the conical tubes during the building of yarn named as yarn package. Soon after the built up of predetermined length of yarn, the full yarn packages referred as cops are exchanged with empty conical tubes.
  • ring spinning machines For exchanging of the same, modern ring spinning machines employ auto doffers, some of them employ mechanism of pegs moving in peg trays.
  • the peg tray forms a closed loop contains plurality of pegs arranged in a predetermined centre distance between them to carry the conical tubes as well as to receive the cops and to transport them to the loading or unloading zone of the ring spinning and twisting machine.
  • Pushing means are arranged on both sides of the machine for the displacement of the pegs in the peg tray in the longitudinal direction of the machine.
  • the tube loader system performs the sequentially loading of conical tubes one after the other into the pegs.
  • one conical tube per peg is loaded by the tube loader, pushing means are arranged to shift the loaded peg in the peg tray and as well as a empty peg is arrived to the loading position underneath the tube loader.
  • a sensor is arranged at the tube loading position, to provide feedback signal to the control unit for each correct loading of bobbin into pegs.
  • the control unit is committed to carry out the successive steps of auto doffing operation, in correspond to the feedback signal of the sensor and its algorithm. In this manner, tube loading process is being done for both sides of the machine.
  • the control unit is a part of automatic tube loading apparatus provided with set of instructions called as algorithm.
  • Algorithm is defined to manage the activities of tube loading apparatus so as to carry out the bobbin loading activity automatically.
  • the remedial actions are also defined in the algorithm for any of the situation to continue its operation almost without manual intervention.
  • Automatic tube loading operation has three main steps namely: 1) collection of conical tube from storage chamber, 2) orienting the position of conical tube before delivery into funnel and 3) loading of the conical tube into peg in the upstanding condition. These three steps are interrelated and being executed by the control unit in a sequential manner for every single bobbin loading. The success of loading is considered based on the upstanding position of the bobbin tube over the peg and its corresponding feedback signal of sensor to the control unit.
  • the bobbin loading steps are executed continuously for both sides of the machine.
  • the control unit executes the pushing means to displace the peg loaded with bobbin tube away from the tube loading position and empty peg comes to the tube loading position.
  • the control unit assumes that no bobbin tube is being delivered into the funnel for loading. Some times tubes are loaded with slight yarn remnants which hold the tube midway in the funnel.
  • Yet another object of the invention to provide a trouble free automation process of bobbin tube loading apparatus for an auto doffer ring spinning and twisting machine.
  • a new and improved method of controlling the bobbin tube loading apparatus (1) of an auto doffer ring spinning and twisting machine comprising: tube catching zone (A), tube delivering zone (B) and tube loading zone (C), wherein the said zones (A,B,C) are provided with sensors (13a, 13b, 14a, 14b, 15a, 15b) at specific locations to sense bobbins (4) at these positions.
  • a control unit (not shown) is provided to execute the automatic tube loading process, in correspond to the signals of sensors (13, 14, 13a, 13b, 14a, 14b, 15a, 15b) and algorithm.
  • the control unit receives the series of signal from these sensors (13, 14, 13a, 13b, 14a, 14b, 15a, 15b) during loading of bobbin (4) into the funnel (9, 9a, 9b).
  • the sensor (13, 13a, 13b) at the tube delivering zone (B) provides a signal to control unit to ensure that the bobbin (4) is delivered into the funnel (9, 9a, 9b).
  • control unit awaits signal from the tube loading sensor (14, 14a, 14b) provided at the tube loading position (C) to confirm the upstanding position of bobbin tube (4) over the peg (11).
  • both feedback signals from the sensors (13, 14, 13a, 13b, 14a, 14b) are delivered to the control unit, which activates the pushing means (not shown) to shift the pegs for one stroke.
  • the control unit demands the bobbin carrier (3) for picking the bobbin tube from storage chamber (2).
  • Fig.l schematically illustrates the three dimensional view of single bobbin tube loading apparatus provided with plurality of sensors in the funnel region according to the invention.
  • Fig. 2 schematically illustrates the three dimensional view of double bobbin tube loading apparatus provided with plurality of sensors in the peg tray system according to an embodiment of the invention.
  • tube loading apparatus (1) of an auto doffer ring spinning machine as explained in co-pending Indian application 2990/CHE/2010.
  • tube loading apparatus (1) has 3 zones namely: (A) Tube catching position is the process of collecting the tube from the storage chamber, (B) Tube delivering position is the process of preparing the tube and delivering into the funnel and (C) Tube loading position is the process of changing the tube from horizontal axis to vertical position so as to load in the peg suitably.
  • the tube catching zone (A) comprises a storage chamber (2) and a pneumatically reciprocating bobbin carrier (3).
  • the bobbin tubes (4) stored in the storage chamber (2) are distributed in sequence one after the other to the reciprocating bobbin carrier (3).
  • the reciprocating bobbin carrier (3) has a U channel recess (not shown) to carry the bobbin in horizontal way as of delivered from the outlet of storage chamber (2).
  • pneumatic cylinder (5) By means of pneumatic cylinder (5), the bobbin carrier linearly reciprocates between the tube catching position (a) and tube delivering position (B).
  • the tube delivering position (B) is arranged downstream of the tube catching position (A), which comprising the reciprocating bobbin carrier (3) and a pair of rest plates (6a, 6b).
  • bobbin carrier (3) moves between the tube catching position (A) and the tube delivering position (B).
  • the U channel recess carries the bobbin (4) in horizontal way such that the both ends of the bobbin slides over the rest plates (6a, 6b) also.
  • the larger diameter (bottom end) of bobbin tube engages with either of the guide surfaces (7a, 7b) of stationary cams (8).
  • the bobbin tube (4) is delivered into the tube loading zone (c), which comprises a vertically placed funnel (9) having pair of swap plates (10a, 10b), provided to change the bobbin tube (4) from horizontal axis to vertical position so as to load in the pegs (11) in sequence one after the other.
  • the funnel (9) has swap plates (10a, 10b), which engages with the axially shifted bobbin tube (4) at its smaller diameter and changes the position of the bobbin tube to upright position.
  • the apparatus (1) continues its operation, the bobbin tubes (4) are being loaded over transporting pegs (11) in the upright position.
  • the tube loading apparatus includes a storage chamber (2) and a reciprocating bobbin carrier (3) along with an agitating member (not shown).
  • the reciprocating bobbin carrier (3) is disposed operatively below the storage chamber (2).
  • the agitating member extends from the bobbin carrier (3) into the interior of the storage chamber (2) for agitating the bobbins held inside the storage chamber to prevent jamming of the bobbins.
  • plurality of sensors (13, 14) are provided for monitoring the execution of operation at the tube delivering zone (b) and tube loading zone (c) respectively.
  • Control unit (not shown) is provided to evaluate the signals from the sensors (13, 14) and appropriate next course of action is being executed.
  • the control unit receives the series of signal from these sensors (13, 14) during every correct loading of bobbin, for example: for every single bobbin (4) delivery into the funnel (9) the sensor (13) at the tube delivering zone (b) provides a signal to control unit, so it confirms that the bobbin (4) is delivered into the funnel (9). And control unit awaits for the signal from the tube loading sensor (14) provided at the tube loading position (c) to confirm the upstanding position of bobbin tube (4) over the peg (11). Once a bobbin tube is loaded into the peg (11) , both feedback signals from the sensors (13, 14) are delivered to the control unit, which activates the pushing means (not shown) to shift the pegs for one stroke. In this manner, the tube loading operation continued in both sides of machine.
  • the control unit actuates the bobbin carrier (3) reciprocating operation through pneumatic cylinder to continue the bobbin loading operation.
  • each funnel unit (9a, 9b) delivers a bobbin tube (4) into the pegs (11a, l ib) respectively.
  • So pushing means shifts those two pegs (11a, l ib) loaded with bobbin tubes (4) and two empty pegs comes to the loading position underneath the tube loader units (la, lb). In this manner, bobbin tube (4) loading steps are continued to load the pegs (11a, l ib) on both sides of the machine.
  • the two sensors (14a, 14b) are serially connected and both are turned “on", only when both the bobbin tubes (4) are loaded into the pegs (11a, l ib) in upright position.
  • automation cycle stops and starts only when the fault is corrected.
  • the drive elements of the tube loader units (la, lb) are independent with each other, the fault can be corrected individually by the concerned drive elements.
  • the bobbin tubes (4) at the pegs (11a, l ib) may fall because of improper seating.
  • further pair of sensors (15a, 15b) are installed adjacent to the sensors (14a, 14b) in the peg tray.
  • the sensors (15a, 15b) are also serially connected which performs along with sensors (14a, 14b).
  • a display arrangement shows the message regarding the falling of bobbin tubes (4) from the pegs (11) whenever happens.
  • both sensors (15a, 15b) are provided to monitor the same. Similar to the sensors (14a, 14b), both sensors (15a, 15b) are turned “on” when the bobbin tube (4) are seated properly in the stem (16) and peg tray movement continues. If either of the sensors (15a, 15b) are turned “off, the fault regarding the missing of tube will be shown in the display. This could be attended manually by placing a bobbin tube (4) in the concerned peg, thus yarn gets wound over the bare spindles could be avoided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Quality & Reliability (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

L'invention concerne un procédé de commande d'un dispositif (1) de chargement de tubes de bobine d'un métier à filer et à retordre continu automatique à anneaux de peignes détacheurs. Le dispositif comprend une zone de saisie de tube (A), une zone d'apport de tube (B) et une zone de chargement de tube (C), lesdites zones (A,B,C) étant pourvues de capteurs (13a, 13b, 14a, 14b, 15a, 15b) prévus à des emplacements spécifiques pour détecter les bobines (4).
PCT/IB2012/054684 2011-11-14 2012-09-10 Procédé de commande d'un dispositif de chargement de tubes dans une machine textile WO2013072785A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN3896/CHE/2011 2011-11-14
IN3896CH2011 2011-11-14

Publications (1)

Publication Number Publication Date
WO2013072785A1 true WO2013072785A1 (fr) 2013-05-23

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ID=48429049

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/054684 WO2013072785A1 (fr) 2011-11-14 2012-09-10 Procédé de commande d'un dispositif de chargement de tubes dans une machine textile

Country Status (1)

Country Link
WO (1) WO2013072785A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109837622A (zh) * 2017-11-24 2019-06-04 铜陵松宝智能装备股份有限公司 一种用于智能落纱机器人的监测装置及控制方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531016A (en) * 1969-02-11 1970-09-29 Maremont Corp Bobbin orienting and loading apparatus
US3712451A (en) * 1970-03-16 1973-01-23 Heberlein Hispano Sa Empty bobbin supply devices for a bobbin changer for spindle type spinning machines
US4338778A (en) * 1979-07-10 1982-07-13 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Apparatus for detecting an erroneously inserted empty bobbin in a spinning frame provided with an automatic doffing and donning apparatus
EP0464885A1 (fr) * 1990-06-29 1992-01-08 SAVIO S.p.A. Dispositif pour changer séquentiellement des tubes orientés sur la bande d'enlèvement d'un métier à filer
CN1107437A (zh) * 1994-02-22 1995-08-30 里特机械公司 管件装载机
JPH09111553A (ja) * 1995-10-16 1997-04-28 Toyota Autom Loom Works Ltd 紡機におけるボビン抜取り装置
CN202011674U (zh) * 2009-12-04 2011-10-19 拉卡什米机械厂有限公司 用于在纺织机械上装载线轴的线轴装载设备

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3531016A (en) * 1969-02-11 1970-09-29 Maremont Corp Bobbin orienting and loading apparatus
US3712451A (en) * 1970-03-16 1973-01-23 Heberlein Hispano Sa Empty bobbin supply devices for a bobbin changer for spindle type spinning machines
US4338778A (en) * 1979-07-10 1982-07-13 Kabushiki Kaisha Toyoda Jidoshokki Seisakusho Apparatus for detecting an erroneously inserted empty bobbin in a spinning frame provided with an automatic doffing and donning apparatus
EP0464885A1 (fr) * 1990-06-29 1992-01-08 SAVIO S.p.A. Dispositif pour changer séquentiellement des tubes orientés sur la bande d'enlèvement d'un métier à filer
CN1107437A (zh) * 1994-02-22 1995-08-30 里特机械公司 管件装载机
JPH09111553A (ja) * 1995-10-16 1997-04-28 Toyota Autom Loom Works Ltd 紡機におけるボビン抜取り装置
CN202011674U (zh) * 2009-12-04 2011-10-19 拉卡什米机械厂有限公司 用于在纺织机械上装载线轴的线轴装载设备

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109837622A (zh) * 2017-11-24 2019-06-04 铜陵松宝智能装备股份有限公司 一种用于智能落纱机器人的监测装置及控制方法

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