EP3754058B1 - Textile machine with single-motor driven spindles - Google Patents

Textile machine with single-motor driven spindles Download PDF

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Publication number
EP3754058B1
EP3754058B1 EP20180133.9A EP20180133A EP3754058B1 EP 3754058 B1 EP3754058 B1 EP 3754058B1 EP 20180133 A EP20180133 A EP 20180133A EP 3754058 B1 EP3754058 B1 EP 3754058B1
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EP
European Patent Office
Prior art keywords
spindle rod
motor stator
frame
spindle
positioning sleeve
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.)
Active
Application number
EP20180133.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3754058A1 (en
Inventor
Yunfeng Wu
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.)
Saurer Jiangsu Textile Machinery Co Ltd
Original Assignee
Saurer Jiangsu Textile Machinery Co Ltd
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Publication date
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Application filed by Saurer Jiangsu Textile Machinery Co Ltd filed Critical Saurer Jiangsu Textile Machinery Co Ltd
Publication of EP3754058A1 publication Critical patent/EP3754058A1/en
Application granted granted Critical
Publication of EP3754058B1 publication Critical patent/EP3754058B1/en
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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
    • D01H1/20—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 invention relates to the field of textile machines, in particular to a spinning frame with single-motor driven spindles.
  • each usually comprises a plurality of spinning stations arranged side by side.
  • Each station comprise independent spindles, and after an empty paper bobbin is disposed to the spindle, the machine runs to wind the yarn on the empty paper bobbin to form a yarn package.
  • the spindles of the plurality of stations for driving the empty bobbins to rotate are usually connected together by a tangential belt to be integrally driven. But in the integral driving, once the spinning is stopped due to yarn breakage or other conditions in a certain station, the spindle at the station still rotates normally since the spindle of the station is connected together with the spindles of other stations for being integrally driven.
  • the idle running of the spindle at the station increases the energy consumption; and on the other hand, since the spindle at the station still rotates normally, the broken yarn may be wound thereon, while the integral driving is adverse to the independent control of each station, and driving of the single spindle cannot be adjusted.
  • the spindle in the prior art comprises a spindle rod seat arranged on a frame and a spindle rod rotatably disposed on the spindle rod seat and integrally driven by a tangential belt.
  • the spindle rod seat is fixedly mounted on the frame by nuts, and then the spindle rod is mounted on the spindle rod seat. Since the single-motor driven spindle is provided with a motor stator component outside the spindle rod, when the original mounting mode is applied to a spinning frame with single-motor driven spindles, the mounting steps will be increased, and the operation will be inconvenient.
  • Document EP 1 154 141 A1 discloses a textile machine according to the preamble of claim 1.
  • the textile machine has a housing for accommodating a motor stator, wherein the housing is fixed to a mounting portion by press fitting which is fixed to a frame by press fitting.
  • Document EP 0 972 867 A2 refers to an individual-drive type multiple twister which has a drive motor disposed below a rotating disc.
  • the drive motor has a housing composed of a motor supporting portion and a mounting portion mounted at the lower end of the motor supporting portion to rotatably support a spindle shaft via a bearing on a frame.
  • the mounting portion is fitted to each of the motor supporting portion and the frame by screw fastening means.
  • An objective of the invention is to provide a textile machine with single-motor driven spindles, which is convenient for mounting and operation.
  • the embodiments of the invention disclose a textile machine with single-motor driven spindles, comprising: a frame, and a plurality of single-motor driven spindles disposed on the frame; the spindle comprising a spindle rod seat disposed on the frame, a motor stator component and a spindle rod partially disposed in the spindle rod seat and the motor stator component; the spindle rod being driven to rotate by force generated between the spindle rod and the motor stator component, the motor stator component comprises a motor stator, a housing for accommodating the motor stator and a mounting portion for mounting integrally provided at the housing, and the mounting portion is fixedly connected to the spindle rod seat such that the spindle rod seat and the motor stator component are fixedly connected to the frame.
  • the mounting portion is a stepped portion integrally extending downward from the housing, and an outer diameter of the stepped portion is smaller than that of the motor stator component.
  • the invention is characterized in that the spindle rod seat comprises a positioning sleeve passing through a hole of the frame, wherein, according to one solution, a threaded structure matched with an inner wall of the stepped portion is disposed on a part of an outer surface of the positioning sleeve above the frame.
  • the stepped portion is provided with screw holes, which are provided therein with screws for fixing the mounting portion to the positioning sleeve.
  • a pin hole is formed in the stepped portion and a part of the positioning sleeve above the frame, and the pin hole is provided therein with pins for fixing the mounting portion to the positioning sleeve.
  • the stepped portion is a polygonal structure.
  • the spindle rod is fixedly provided with a magnet capable of generating force with the motor stator, and the magnet is disposed inside a cavity of the motor stator with a gap therebetween.
  • the magnet is a magnetic ring disposed on the spindle rod.
  • a bearing seat is fixedly connected to the positioning sleeve, and at least one bearing for supporting one end of the spindle rod is disposed in the bearing seat.
  • the bearing comprises a first bearing and a second bearing, which are respectively located at two ends of the bearing seat.
  • the motor stator component of the textile machine with the single-motor driven spindle comprises a motor stator, a housing for accommodating the motor stator and a mounting portion for mounting integrally provided at the housing, the mounting portion is fixedly connected to the spindle rod seat such that the spindle rod seat and the motor stator component are fixedly connected to the frame. Since the mounting portion and the housing of the motor stator component are integrally provided, the mounting of the spindle can be realized by operating the mounting portion of the motor stator component to be mounted on the spindle rod seat. The operation steps are simple and convenient and the mounting efficiency is high.
  • a textile machine with single-motor driven spindles generally comprises a plurality of rows of spinning stations arranged side by side.
  • a ring spinning frame is taken as an example, and in order to simplify the illustration and explanation, only a partial structure of a spindle at one spinning station of the ring spinning frame is illustrated.
  • a textile machine with single-motor driven spindles comprises a frame 100 and a plurality of single-motor driven spindles 200 disposed on the frame 100.
  • the spindle 200 comprises a spindle rod seat 210 disposed on the frame 100, a motor stator component 220, and a spindle rod 230 partially disposed in the spindle rod seat 210 and the motor stator component 220.
  • a positioning sleeve 211 comprises a positioning end disposed below the frame 100, a portion located in a mounting hole of the frame 100 and a portion extending out of the mounting hole of the frame 100 so as to be located above the frame 100.
  • the positioning sleeve 211 may be fixedly mounted on a bearing seat 212 by a close fitting method, such as crimping, riveting, welding or fasteners.
  • the positioning sleeve 211 of the spindle rod seat 210 is firstly mounted upward from below the hole of the frame 100 until the positioning end of the positioning sleeve 211 contacts a lower surface of the frame 100 so as to be limited, at this point an externally threaded end of the positioning sleeve 211 extends out of the hole of the frame 100. Since a mounting portion 223 and a housing 222 of the motor stator component 220 are integrally provided, the mounting of the spindle can be realized by aligning the internal thread of the mounting portion 223 of the motor stator component 220 with the external threads of the positioning sleeve 211 and operating the mounting portion 223 to rotate. The fixing is reliable, the operation is convenient, and the mounting efficiency is high.
  • the spindle rod 230 is fixedly provided with a magnet 231 which can generate force with a motor stator 221.
  • a winding of the motor stator 221 generates electromagnetic induction force after being energized.
  • the magnet 231 is disposed inside a cavity of the motor stator 221 with a gap therebetween.
  • the magnet 231 drives the spindle rod 230 to rotate at high speed under the effect of the electromagnetic induction force.
  • the motor stator component 220 comprises a motor stator 221, a housing 222 for accommodating the motor stator, and a mounting portion 223 integrally provided at the housing 222 for mounting the spindle.
  • the mounting portion 223 is fixedly connected to the spindle rod seat 210 such that the spindle rod seat 210 and the motor stator component 220 are fixedly connected to the frame 100.
  • the housing 222 may be made of a metal material such as steel and integrally molded with the mounting portion 223.
  • the mounting portion 223 in this embodiment is a stepped portion integrally extending downward from a bottom of the housing 222, and an outer diameter of the stepped portion is smaller than that of the motor stator component 220.
  • the stepped portion may also be located in the middle or other portion of the housing 222.
  • the spindle rod seat 210 comprises a positioning sleeve 211 passing through the hole of the frame 100, and a threaded structure matched with an inner wall of the stepped portion is disposed on a part of an outer surface of the positioning sleeve 211 above the frame 100.
  • the stepped portion is a polygonal structure, such as a regular hexagon, a square, etc.
  • the stepped portion in this embodiment is a regular quadrangular structure similar to a nut, and the motor stator component 220 and the spindle rod seat 210 can be fixed to the frame 100 just by operating the stepped portion to rotate by a tool, which is convenient for operation and mounting.
  • the spindle rod seat 210 comprises a positioning sleeve 211 disposed in the hole of the frame 100 and a bearing seat 212 fixedly connected to the positioning sleeve 211, and at least one bearing for supporting one end of the spindle rod 230 is disposed in the bearing seat 212.
  • the bearing in this embodiment comprises a first bearing 213 and a second bearing 214, which are respectively located at two ends of the bearing seat 212. In other embodiments, there may be one, three, four, or other number of bearings.
  • the bearings may also be located at different positions depending on their different types, for example, the bearings may be located at the middle of the bearing seat 212.
  • the textile machine with the single-motor driven spindles in this embodiment still uses the original bearing seat 212 with the tangential belt driven spindles without adding any additional bearing, thereby saving the cost.
  • Fig. 4 illustrates a second preferred embodiment of a textile machine with single motor-driven spindles of the invention.
  • the basic structures and the assembly relationships of the spindle rod seat 210 and the spindle rod 230 as well as the motor stator 221 and the housing 222 of the motor stator component 220 of the single-motor driven spindle are similar to those in the first embodiment, which will not be described in detail here.
  • the stepped portion is provided with a plurality of, such as two, three or four screw holes 224.
  • the spindle rod seat 210 comprises the positioning sleeve 211 passing through the hole of the frame 100, and the screw holes are provided therein with screws for fixing the mounting portion 223 to the positioning sleeve 211.
  • the mounting portion 223 is fixed to the positioning sleeve 211 by the screws, such that the fixing is more reliable, the operation is convenient, and the mounting efficiency is high.
  • Fig. 5 illustrates a third preferred embodiment of a textile machine with single-motor driven spindles of the invention.
  • the basic structures and the assembly relationships of the spindle rod seat 210 and the spindles 230 as well as the motor stator 221 and the housing 222 of the motor stator component 220 of the single-motor driven spindle are similar to those in the first embodiment, and will not be described in detail here.
  • the spindle rod seat 210 comprises the positioning sleeve 211 passing through a hole of the frame 100.
  • a pin hole 225 is formed in the stepped portion and a part of the positioning sleeve 211 above the frame 100.
  • the pin hole 225 is provided therein with pins for fixing the mounting portion 223 to the positioning sleeve 211.
  • the mounting portion 223 is locked and fixed to the positioning sleeve 211 by the pins, such that the fixing is reliable, the operation is convenient, and the mounting efficiency is high.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP20180133.9A 2019-06-19 2020-06-16 Textile machine with single-motor driven spindles Active EP3754058B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920927110.0U CN210420304U (zh) 2019-06-19 2019-06-19 一种具有单电机驱动锭子的纺织机械

Publications (2)

Publication Number Publication Date
EP3754058A1 EP3754058A1 (en) 2020-12-23
EP3754058B1 true EP3754058B1 (en) 2023-02-22

Family

ID=70376001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20180133.9A Active EP3754058B1 (en) 2019-06-19 2020-06-16 Textile machine with single-motor driven spindles

Country Status (4)

Country Link
EP (1) EP3754058B1 (zh)
JP (1) JP3227894U (zh)
CN (1) CN210420304U (zh)
ES (1) ES2942736T3 (zh)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69915547D1 (de) * 1998-07-14 2004-04-22 Murata Machinery Ltd Mehrfach-Zwirnmaschine mit Einzelspindelantrieb
TW517719U (en) * 2000-05-18 2003-01-11 Toyoda Automatic Loom Works A single-spindle driven type spindle device for a spinning machine

Also Published As

Publication number Publication date
ES2942736T3 (es) 2023-06-06
CN210420304U (zh) 2020-04-28
JP3227894U (ja) 2020-09-24
EP3754058A1 (en) 2020-12-23

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