EP1002891A2 - Dispositif unitaire d'entraínement de broches d'un métier à filer - Google Patents

Dispositif unitaire d'entraínement de broches d'un métier à filer Download PDF

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Publication number
EP1002891A2
EP1002891A2 EP99116740A EP99116740A EP1002891A2 EP 1002891 A2 EP1002891 A2 EP 1002891A2 EP 99116740 A EP99116740 A EP 99116740A EP 99116740 A EP99116740 A EP 99116740A EP 1002891 A2 EP1002891 A2 EP 1002891A2
Authority
EP
European Patent Office
Prior art keywords
spindle
housing
spinning machine
control unit
motor
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.)
Withdrawn
Application number
EP99116740A
Other languages
German (de)
English (en)
Other versions
EP1002891A3 (fr
Inventor
Masayoshi Tsuboi
Yutaka Shinozaki
Tatsuya Uematsu
Yasuharu Odachi
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.)
Toyota Industries Corp
Original Assignee
Toyoda Jidoshokki Seisakusho KK
Toyoda Automatic Loom Works 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 Toyoda Jidoshokki Seisakusho KK, Toyoda Automatic Loom Works Ltd filed Critical Toyoda Jidoshokki Seisakusho KK
Publication of EP1002891A2 publication Critical patent/EP1002891A2/fr
Publication of EP1002891A3 publication Critical patent/EP1002891A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/16—Framework; Casings; Coverings ; Removal of heat; Means for generating overpressure of air against infiltration of dust; Ducts for electric cables
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
    • D01H1/14—Details
    • D01H1/20—Driving or stopping arrangements
    • D01H1/24—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles
    • D01H1/244—Driving or stopping arrangements for twisting or spinning arrangements, e.g. spindles each spindle driven by an electric motor

Definitions

  • the present invention relates to a unitary spindle driving apparatus which is employed in a spinning machine such as a ring spinning machine, a ring twisting frame or the like for driving a spindle thereof independently of others.
  • an internal power supply line 53 of an electric motor 52 dedicated for driving a spindle 51 is electrically connected to an external power supply line 56 extending from a control circuit module 55 by means of a connector 54 which is disposed at a rear side of the spindle 51.
  • a switch (serving as a control unit) 57 which inputs a control signal to the control circuit module 55, is fixed in an overhang portion 58a provided externally of a housing 58 so that the switch 57 is positioned in front of the spindle 51, wherein the switch 57 is connected to the control circuit module 55 via a signal line 59.
  • the control circuit module 55 is installed at a lower portion of the machine frame so that it is positioned to the rear of the spindle 51.
  • Japanese Patent Laid-open No. 8-100331 discloses an apparatus in which an openable cover 61 is provided for the housing 58 of a spindle driving motor 52 so as to cover a bolster 60, wherein at least a portion of a control unit for supplying electric power to the motor 52 is disposed within the cover 61.
  • the control unit includes an inverter 62, a stopping unit 63 and a control module 64.
  • Conductors 65 for the power supply and control signals are provided along a spindle rail 66.
  • conductors 65 are adapted to be electrically connected to conductors 67, respectively, of the control module disposed on the cover 61 via contact members 68 which are also provided on the cover 61, when the cover 61 is disposed in the closed position. On the contrary, when the cover 61 is disposed in an opened position, the conductors 65 are electrically disconnected from the conductors 67.
  • the control circuit module 55 is disposed at a lower portion of the machine frame so that the control circuit module 55 is positioned at the rear side of the spindle 51. Consequently, the external power supply line 56 as well as the signal line 59 are required to electrically connect the switch 57 and the control circuit module 55 to each other.
  • the external power supply line 56 as well as the signal line 59 are required to electrically connect the switch 57 and the control circuit module 55 to each other.
  • there is a long wiring extension outside of the housing there are likely to occur such troubles as breaking of wire or the like as well as erroneous operation due to noise. Further, there is another disadvantage such that a large number of attaching/mounting steps are required.
  • the electric power supply line for the motor 52 and the signal line are disposed within the cover 61.
  • the wiring length can be certainly reduced, which is favorable in that troubles such as wire breakage or the like and erroneous operation due to noise are less likely to occur.
  • electrical interconnection of the conductors 67 of the control module for the motor 52 with the conductors 65 such as the power supply line (feeder line) and the signal line can be realized only when the cover 61 mounted on the housing 58 of the motor 52 is disposed in the closed position.
  • a unitary spindle driving apparatus for a spinning machine which apparatus includes an electric motor for driving a spindle, wherein a housing of a control unit is provided integrally with a housing of the electric motor above a portion of a bolster which projects downwardly from the housing of the electric motor, and wherein wire for electrically interconnecting the electric motor and the control unit is disposed within both housings.
  • the housing of the control unit provides no obstacle to mounting the unitary spindle driving apparatus on the spinning machine frame, and thus the work as involved can be performed easily as in the case of the conventional spindle. Further, because the wire interconnecting the motor and the control unit is not exposed outside of the housing, not only can the wire be protected against entangling or deposition of the fly but also trouble such as the breaking of wire can be avoided.
  • the housing of the motor and the housing of the control unit may be formed integrally with each other. With such arrangement, the number of attaching or mounting steps can be decreased when compared with a structure in which the motor and the control unit are first disposed within respective separate housings to be subsequently combined or assembled together.
  • control unit should preferably be disposed at a side opposite an inner side of the machine frame at which the unitary spindle driving apparatus is mounted on the spinning machine, while a motor power input unit and a control power input unit should preferably be disposed at the same side as the control unit.
  • control unit should be mounted on the machine frame at the side opposite the inner side of the machine frame of the spinning machine while the motor power input unit and the control power input unit should be disposed at the side opposite the inner side of the machine frame.
  • the wire interconnecting the housing of the control unit and the power input unit is not an obstacle to the work performed by the cop changer.
  • the control unit is not disposed at the outer side relative to the machine frame when compared with the spindle. Consequently, no obstacle is presented to the operation of the cop changer.
  • the motor power input unit and the control unit are disposed near each other, wiring operations can be greatly facilitated.
  • a rotation speed monitoring unit for the spindle should preferably be accommodated within the housing of the electric motor, while the control unit should preferably be so designed as to perform a feedback control of the electric motor on the basis of an output signal of the rotation speed monitoring unit.
  • the rotation speed of the spindle can be monitored by the rotation speed monitoring unit accommodated within the housing of the motor. Further, the feedback control of the motor can be carried out by the control unit on the basis of the output signal of the rotation speed monitoring unit. As a result, the rotation speed monitoring unit can monitor the rotation speed without being influenced by the fly and thus the spindle can be controlled to rotate at a predetermined rotation speed with high accuracy.
  • the rotation speed monitoring unit should preferably be equipped with a Hall IC module for detecting rotation of a magnet which rotates together with the spindle, and the Hall IC module should preferably be disposed above the stator of the electric motor.
  • the rotation speed monitoring unit can detect the rotation of the permanent magnet which rotates together with the spindle by means of the Hall IC module. Also, since the Hall IC module is disposed above the stator of the motor, it can be mounted more easily when compared with the structure in which it is disposed below the stator.
  • control unit should preferably be provided with a driver circuit substrate provided with a driving circuit module for controlling a driving current supplied to the electric motor, and a CPU substrate provided with a CPU module for issuing a control command to the driving circuit module, wherein the driver circuit substrate and the CPU substrate are disposed, respectively, at positions distanced from each other with the electric motor being interposed therebetween.
  • the CPU substrate is unlikely to be influenced by temperature increase in the driver circuit substrate.
  • the housing of the electric motor should preferably be provided with a Hall IC module for detecting rotation of a magnet which rotates together with the spindle, and the Hall IC substrate, wherein the CPU module and the driving circuit module are electrically interconnected by a printed circuit formed on the Hall IC substrate.
  • the unitary spindle driving apparatus (hereinafter referred to simply as the spindle apparatus) 1 is comprised of a bolster 2, a spindle 3 supported rotatably on the bolster 2, an electric motor 4 for driving the spindle 3, a control unit 5 for controlling the driving motor 4 and a rotation speed monitoring unit 6 for monitoring the rotation of the spindle 3.
  • the motor 4, the control unit 5 and the rotation speed monitoring unit 6 are disposed within a single housing 7.
  • the bolster 2 is provided with a flange portion 2a at an intermediate portion, wherein the bolster 2 is fixedly secured to the housing 7 with a portion of the bolster extending upwardly from the flange portion 2a into the housing 7.
  • the bolster 2 is secured by being clamped to a spindle rail 10 of a spinning machine at a predetermined position together with the housing 7 by means of a nut 8 which screws onto a male thread portion formed at a portion of the bolster 2 extending downwardly from the flange portion 2a and a washer 9 disposed below the flange portion 2a.
  • a bearing 11 is incorporated in the bolster 2.
  • the spindle 3 has a downwardly extending portion or lower portion which is inserted into the bolster 2 and is supported rotatably by means of the bearing 11.
  • a cylindrical supporting portion 12 which covers the top end portion of the bolster 2, wherein a rotor 13 formed of a permanent magnet is secured externally to the supporting portion 12 so that the rotor 13 can rotate together with the supporting portion 12.
  • a stator 14 is fixedly mounted on the housing 7 at a position opposite to the rotor 13. The rotor 13 and the stator 14 cooperate to constitute the driving motor 4.
  • a driver circuit substrate 15 Disposed at a rear side within the housing 7, i.e., at a side (right-hand side as viewed in Fig. 1) facing in opposition to the inner side of the machine frame when the spindle apparatus 1 is mounted in the spinning machine is a driver circuit substrate 15 on which a driving circuit module (e.g. inverter circuit) is packaged. Further disposed within the housing 7 at the front side thereof is a CPU (central processing unit) substrate 16 on which a CPU module for supplying a control signal to the driving circuit module is packaged.
  • the control unit 5 mentioned previously is comprised of the driver circuit substrate 15 and the CPU substrate 16. According to the teaching of the invention incarnated in the instant embodiment, the housing of the motor 4 and that of the control unit 5 are formed integrally with each other.
  • the switch 17 for commanding starting and stopping of the motor 4.
  • the switch 17 may be implemented in the form of a push button switch designed to be mounted on the circuit substrate. This type of switch is commercially available as a general-purpose switch. At this juncture, it should be mentioned that the switch 17 is mounted on the CPU substrate 16 in such a manner that a surface of the button constituting a part of the switch 17 is exposed externally of the housing 7 through a hole 7b formed in the front wall of the housing 7.
  • a motor power input unit 18 and a control power input/communication signal input/output unit 19 are mounted on the driver circuit substrate 15 in the state in which connector portions project externally of the housing 7.
  • the motor power input unit 18 and the control power input/communication signal input/output unit 19 are designed to be connected to connectors 22 and 23 of a power supply line (feeder line) 20 and a control input line 21, respectively.
  • a permanent magnet 24 is mounted fixedly on the spindle 3 at a position above the rotor 13 so as to be rotatable together with the spindle 3.
  • a Hall IC substrate 25 is disposed within the housing 7 at a position intermediate the rotor 13 and the permanent magnet 24.
  • the Hall IC substrate 25 is realized in an annular form having an outer peripheral surface at a portion where the Hall IC substrate 25 is fixedly secured to the inner wall of the housing 7.
  • a hole formed in the inner side of the annular Hall IC substrate 25 is dimensioned so as to allow the rotor 13 to pass therethrough upon insertion of the spindle 3 into the bolster 2 or upon withdrawing the spindle 3 from the bolster 2.
  • a Hall IC module 26 is packaged or mounted on the Hall IC substrate 25 which is disposed within the housing 7 so that the Hall IC module 26 is positioned above the stator 14.
  • the permanent magnet 24 and the Hall IC module 26 cooperate to constitute the rotation speed monitoring unit 6 for monitoring the rotation speed (rpm) of the spindle 3.
  • the Hall IC module 26 is designed to supply to the CPU module packaged on the CPU substrate 16 an output signal corresponding to the rotation speed of the permanent magnet 24 and hence that of the spindle 3.
  • the CPU module performs a feedback control of the motor 4 on the basis of the output signal of the rotation speed monitoring unit 6.
  • the CPU substrate 16 is electrically connected to a printed circuit (not shown) formed on the Hall IC substrate 25 by means of a wiring 25a which interconnects the CPU substrate 16 and the Hall IC substrate 25.
  • the driver circuit substrate 15 is electrically connected to a printed circuit (not shown) formed on the Hall IC substrate 25 by means of a wiring 25b which interconnects the driver circuit substrate 15 and the Hall IC substrate 25.
  • the driver circuit substrate 15 and the CPU substrate 16 are interconnected via the printed circuit (not shown) formed on the Hall IC substrate 25.
  • the coil 14a of the stator 14 has an end portion electrically connected to an output line of the driver circuit module via the printed circuit (not shown) formed on the Hall IC substrate 25.
  • the housing 7 is formed in a box-like shape having the top wall 7a realized as a removable cover with a view to facilitating the attachment as well as inspection of the various parts on the individual substrates 15, 16 and 25 and the stator 14 on the housing 7. Furthermore, a cover member 27 is secured onto the spindle 3 so as to be rotatable together with the spindle 3 with the cover member 27 covering a hole formed in the top wall 7a when the spindle 3 is inserted in the bolster 2 and supported thereby.
  • the washer 9 is first placed on the lower surface of the flange portion 2a of the bolster 2.
  • the lower portion of the bolster 2 is inserted through a mounting hole formed in the spindle rail 10, wherein the spindle apparatus 1 is secured by clamping with the nut 8 in the state where the spindle apparatus 1 has been disposed properly at a predetermined position.
  • the connector 22 of the power supply line 20 and the connector 23 of the control input line 21 are connected to the motor power input unit 18 and the control power input/communication signal input/output unit 19, respectively.
  • the spindle 3 When the motor 4 or the control unit 5 is to be inspected during maintenance service, the spindle 3 is first withdrawn together with the rotor 13, and then the top wall 7a of the housing 7 is removed, to thereby allow the inspection to be carried out when the inspection is of a simple nature.
  • the connectors 22 and 23 are first detached, whereon the spindle apparatus 1 is dismounted from the bolster 2 by loosening the nut 8 to thereby allow the spindle apparatus 1 to be subsequently detached from the spindle rail 10.
  • the spindle 3 is withdrawn together with the rotor 13 in the state in which the bolster 2 remains secured to the spindle rail 10. In this state, inspection of the spindle oil and/or oil exchange can be carried out.
  • the CPU module issues a control command to the driving circuit module packaged on the driver circuit substrate 15 in response to a command signal issued from a main control apparatus (not shown) which is in charge of controlling operation of the spinning machine. Additionally, the CPU module performs feedback control of the motor 4 in accordance with the output signal of the Hall IC module 26.
  • the unitary spindle driving apparatus according to the instant embodiment of the invention provides the advantageous actions and effects mentioned below.
  • FIG. 3 shows a unitary spindle driving apparatus for a spinning machine according to a second embodiment of the invention.
  • the driver circuit substrate 15 and the CPU substrate 16 are implemented in an integrally combined structure and disposed at a rear side of the housing 7, wherein the switch 17 is packaged on the Hall IC substrate 25.
  • the switch 17 and the CPU substrate 16 are interconnected by way of a printed circuit (not shown) formed on the Hall IC substrate 25.
  • the signal line (inclusive of the printed circuit) which interconnects the driving circuit module on the driver circuit substrate 15 and the CPU module packaged on the CPU substrate 16 can be realized with a short length, which means that noise picked up by the signal line can be reduced significantly when compared with a long signal line, whereby wrong or erroneous operation can be suppressed, to advantageous effect.
  • the space occupied by the housing 7 positioned at the front side of the spindle 3 can be reduced, which in turn means that the space extending at the front of the spindle rail 10 is widened, accordingly, the cop changing work performed by a cop changer in a spinning machine equipped with a simultaneous cop changer can be carried out in a much facilitated manner.
  • FIG. 4 shows a unitary spindle driving apparatus for a spinning machine according to a third embodiment of the present invention.
  • the housing 7 of the motor 4 and a housing 28 of the control unit 5 are implemented as separate members, respectively, wherein the CPU substrate 16 and the driver circuit substrate 15 are disposed within the housing 28.
  • a connector 29 connected electrically to a coil 14a is disposed at an upper portion of the housing 7 at a rear side thereof, whereas a connector 30 connected to the output line of the driver circuit substrate 15 is provided at the front side of the housing 28.
  • the housing 28 can be. combined integrally with the housing 7 above the portion of the bolster 2 projecting downwardly below the housing 7 of the motor 4, wherein the wiring for electrically interconnecting the motor 4 and the control unit 5 can be accommodated within the housings 7 and 28.
  • the housing 28 of the control unit 5 provides no obstacle in mounting or dismounting of the spindle apparatus 1 on or from the machine frame, and thus the spindle apparatus can be mounted or dismounted easily as in the case of the conventional spindle.
  • the control unit 5 can be repaired by removing the housing 7 from the housing 28 without the need for dismounting the spindle apparatus 1 as a whole from the spindle rail 10.
  • labor involved in the dismounting and attachment of the control unit 5 can be reduced when compared with the structure which requires that the spindle apparatus 1 as a whole be dismounted for servicing the control unit.
  • Figure 5 shows another structure of the rotation speed monitoring unit 6 according to a fourth embodiment of the invention.
  • the permanent magnet separated from the rotor 13 is not employed as the permanent magnet 24 constituting a part of the rotation speed monitoring unit 6 but the rotor 13 is formed longer than the stator 14, wherein the Hall IC module 26 is provided at a position corresponding to the projecting portion of the rotor 13.
  • the teaching of the invention incarnated in the instant embodiment, not only the number of parts constituting the spindle apparatus but also the number of attaching steps involved in manufacturing or assembling the spindle apparatus 1 can be decreased.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP99116740A 1998-11-20 1999-08-27 Dispositif unitaire d'entraínement de broches d'un métier à filer Withdrawn EP1002891A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10330637A JP2000154433A (ja) 1998-11-20 1998-11-20 紡機用単錘駆動スピンドル装置
JP33063798 1998-11-20

Publications (2)

Publication Number Publication Date
EP1002891A2 true EP1002891A2 (fr) 2000-05-24
EP1002891A3 EP1002891A3 (fr) 2000-09-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99116740A Withdrawn EP1002891A3 (fr) 1998-11-20 1999-08-27 Dispositif unitaire d'entraínement de broches d'un métier à filer

Country Status (3)

Country Link
EP (1) EP1002891A3 (fr)
JP (1) JP2000154433A (fr)
CN (1) CN1254772A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1186690A2 (fr) * 2000-09-06 2002-03-13 Ditta Michele Ratti S.p.A. Broche et rotor de moteur intérgré
WO2005035843A2 (fr) * 2003-10-16 2005-04-21 Saurer Gmbh & Co. Kg Machine a filer a rotor
EP2006424A1 (fr) * 2007-06-20 2008-12-24 Maschinenfabrik Rieter Ag Machine textile dotée d'une unité d'actionnement
ITFI20110203A1 (it) * 2011-09-22 2013-03-23 Giesse Srl Dispositivo per la produzione e raccolta su fusi di filato ciniglia
CN103290552A (zh) * 2013-06-18 2013-09-11 海宁市盛祥线业有限公司 包覆锭子的锭胆

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6644638B1 (en) * 2001-06-22 2003-11-11 Delaware Capital Formation, Inc. Electric clamp
DE102011080416A1 (de) * 2011-08-04 2013-02-07 Schaeffler Technologies AG & Co. KG Friktions-Motorspindel und Verfahren zum Betrieb
CN103046176A (zh) * 2012-10-16 2013-04-17 新昌县盛大科技有限公司 纱线制造设备单锭控制器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5161361A (en) * 1991-08-30 1992-11-10 Platt Saco Lowell Corporation Motor-driven spindle assembly for ring spinning

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5161361A (en) * 1991-08-30 1992-11-10 Platt Saco Lowell Corporation Motor-driven spindle assembly for ring spinning

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1186690A2 (fr) * 2000-09-06 2002-03-13 Ditta Michele Ratti S.p.A. Broche et rotor de moteur intérgré
EP1186690A3 (fr) * 2000-09-06 2002-09-25 Ditta Michele Ratti S.p.A. Broche et rotor de moteur intérgré
WO2005035843A2 (fr) * 2003-10-16 2005-04-21 Saurer Gmbh & Co. Kg Machine a filer a rotor
WO2005035843A3 (fr) * 2003-10-16 2005-06-23 Saurer Gmbh & Co Kg Machine a filer a rotor
US7392648B2 (en) 2003-10-16 2008-07-01 Oerlikon Textile Gmbh & Co. Kg Rotor Spinning machine
CN100485100C (zh) * 2003-10-16 2009-05-06 欧瑞康纺织有限及两合公司 气流纺纱机
EP2006424A1 (fr) * 2007-06-20 2008-12-24 Maschinenfabrik Rieter Ag Machine textile dotée d'une unité d'actionnement
ITFI20110203A1 (it) * 2011-09-22 2013-03-23 Giesse Srl Dispositivo per la produzione e raccolta su fusi di filato ciniglia
CN103290552A (zh) * 2013-06-18 2013-09-11 海宁市盛祥线业有限公司 包覆锭子的锭胆

Also Published As

Publication number Publication date
JP2000154433A (ja) 2000-06-06
EP1002891A3 (fr) 2000-09-06
CN1254772A (zh) 2000-05-31

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