EP4067277A1 - Aufnahmevorrichtung für gesponnenes garn - Google Patents

Aufnahmevorrichtung für gesponnenes garn Download PDF

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Publication number
EP4067277A1
EP4067277A1 EP22161323.5A EP22161323A EP4067277A1 EP 4067277 A1 EP4067277 A1 EP 4067277A1 EP 22161323 A EP22161323 A EP 22161323A EP 4067277 A1 EP4067277 A1 EP 4067277A1
Authority
EP
European Patent Office
Prior art keywords
yarn
yarns
positioning portion
suppressor
swing
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.)
Pending
Application number
EP22161323.5A
Other languages
English (en)
French (fr)
Inventor
Ryo Morinaga
Futoshi Kitayama
Shuhei Kobayashi
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.)
TMT Machinery Inc
Original Assignee
TMT Machinery Inc
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 TMT Machinery Inc filed Critical TMT Machinery Inc
Publication of EP4067277A1 publication Critical patent/EP4067277A1/de
Pending legal-status Critical Current

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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
    • B65H54/86—Arrangements for taking-up waste material before or after winding or depositing
    • B65H54/88—Arrangements for taking-up waste material before or after winding or depositing by means of pneumatic arrangements, e.g. suction guns
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/04—Supporting filaments or the like during their treatment
    • D01D10/0436—Supporting filaments or the like during their treatment while in continuous movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/003—Arrangements for threading or unthreading the guide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/16—Guides for filamentary materials; Supports therefor formed to maintain a plurality of filaments in spaced relation
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D11/00—Other features of manufacture
    • D01D11/02—Opening bundles to space the threads or filaments from one another
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D7/00—Collecting the newly-spun products
    • 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
    • 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
    • B65H2701/38—Thread sheet, e.g. sheet of parallel yarns or wires

Definitions

  • the present invention relates to a spun yarn take-up apparatus including a yarn path regulatory guide.
  • Patent Literature 1 Japanese Unexamined Patent Publication No. 2013-057148 discloses a spun yarn take-up apparatus including rollers configured to draw yarns spun out from a spinning apparatus and a yarn winding apparatus configured to form packages by winding the yarns drawn by the rollers.
  • the spun yarn take-up apparatus of Patent Literature 1 further includes a yarn path regulatory guide which has a comb-teeth shape composed of plural grooves.
  • the grooves are aligned to correspond to the yarns in an arrangement direction. As the yarns run in the respective grooves, (i) intervals between the yarns which are to be wound onto the rollers are defined and (ii) the movement of the yarns aligned in the arrangement direction is restricted in the arrangement direction.
  • a suction gun When yarns spun out from a spinning apparatus are threaded to a spun yarn take-up apparatus, a suction gun is used for sucking the yarns in a bundle. Therefore, when the yarns are threaded to the yarn path regulatory guide described above, the suction gun is used for sucking the yarns in a bundle.
  • yarn threading to the yarn path regulatory guide is manually performed while an operator holds a suction port of the suction gun at a suitable working location. The suction port is configured to suck the yarns.
  • An object of the present invention is to provide a spun yarn take-up apparatus which allows yarns to be easily threaded to a yarn path regulatory guide.
  • a spun yarn take-up apparatus configured to wind yarns spun out from a spinning apparatus by means of a yarn winding apparatus, the spun yarn take-up apparatus including: a yarn path regulatory guide which includes groove portions aligned in an arrangement direction orthogonal to a yarn running direction in which the yarns run, the yarn path regulatory guide being configured to restrict movement in the arrangement direction of the yarns aligned in the arrangement direction by causing the yarns to run in the groove portions; and a positioning portion configured to position a suction port of a suction gun at a predetermined position which is downstream of the yarn path regulatory guide in the yarn running direction and where yarn threading to the yarn path regulatory guide is possible.
  • the positioning portion can position the suction port of the suction gun at the predetermined position where the yarn threading to the yarn path regulatory guide is possible.
  • it does not take time to position the suction port of the suction gun at a suitable working location.
  • the suction gun is held while the suction port is placed at the positioning portion, it is possible to solve the difficulty in keeping to hold the suction gun during the yarn threading. As a result, the yarn threading to the yarn path regulatory guide is facilitated.
  • the spun yarn take-up apparatus of the first invention is arranged such that, when viewed in an orthogonal direction orthogonal to both the yarn running direction and the arrangement direction, the yarns which are sucked by the suction port of the suction gun positioned by the positioning portion overlap the groove portions at the predetermined position.
  • the suction port of the suction gun is positioned by the positioning portion, the yarns sucked by the suction port of the suction gun positioned by the positioning portion overlap the groove portions when viewed in the orthogonal direction.
  • the spun yarn take-up apparatus of the first or second aspect is arranged such that a yarn swing suppressor is provided between the yarn path regulatory guide and the positioning portion in the yarn running direction, and the yarns which are sucked by the suction port of the suction gun positioned by the positioning portion make contact with the yarn swing suppressor.
  • a swirling flow is generated inside the suction gun.
  • yarn swing due to the swirling flow is propagated to the yarns running in the vicinity of the yarn path regulatory guide which is upstream of the positioning portion in the yarn running direction, it is difficult to thread the yarns to the yarn path regulatory guide.
  • the yarn swing suppressor with which the yarns make contact is provided between the yarn path regulatory guide and the positioning portion in the yarn running direction, the yarn swing due to the swirling flow generated in the suction gun is less likely to be propagated to the yarns running in the vicinity of the yarn path regulatory guide. With this arrangement, the yarn threading to the yarn path regulatory guide is further facilitated.
  • the spun yarn take-up apparatus of the third aspect is arranged such that, when the suction port of the suction gun is positioned by the positioning portion and the yarns are viewed in the arrangement direction, an angle between parts of the yarns upstream of the yarn swing suppressor in the yarn running direction and parts of the yarns downstream of the yarn swing suppressor in the yarn running direction is equal to or less than 165 degrees on a side where the yarn swing suppressor is provided.
  • the above-described angle is one of angles formed by the parts of the yarns upstream of the yarn swing suppressor in the yarn running direction and the parts of the yarns running downstream of the yarn swing suppressor in the yarn running direction.
  • the yarn swing suppressor is more tightly pressed onto the yarns as compared to cases where the above-described angle is more than 165 degrees on the side where the yarn swing suppressor is provided.
  • the yarn swing due to the swirling flow generated in the suction gun is further reliably suppressed from being propagated to the yarns running in the vicinity of the yarn path regulatory guide.
  • the spun yarn take-up apparatus of the third or fourth aspect is arranged such that the yarn swing suppressor is able to be moved away from a yarn path of the yarns when the yarn winding apparatus winds the yarns.
  • the spun yarn take-up apparatus of any one of the first to fifth aspects is arranged such that the positioning portion is able to be moved away from the yarn path of the yarns when the yarn winding apparatus winds the yarns.
  • the yarn winding apparatus winds the yarns after the yarn threading to the yarn path regulatory guide is completed, the contact between the positioning portion and the running yarns is avoided. This prevents the decrease in quality of the yarns due to the contact with the positioning portion.
  • the spun yarn take-up apparatus of the third or fourth aspect is arranged such that the positioning portion and the yarn swing suppressor are provided so as not to overlap a yarn path of the yarns when the yarn winding apparatus winds the yarns.
  • the yarn winding apparatus winds the yarns after the yarn threading to the yarn path regulatory guide is completed, the contact between the positioning portion, the yarn swing suppressor, and the running yarns is avoided. This prevents the decrease in quality of the yarns due to the contact with the positioning portion and the yarn swing suppressor.
  • the spun yarn take-up apparatus of any one of the first to seventh aspects further includes guides which are provided below the spinning apparatus at regular intervals in the arrangement direction and which are configured to individually guide the yarns spun out from the spinning apparatus, and the yarn path regulatory guide is provided below the guides and configured to cause the yarns, which are individually guided by the guides, to be aligned at the regular intervals in the arrangement direction.
  • the yarns spun out from the spinning apparatus are guided by the guides so as to be aligned in the left-right direction at the regular intervals. Furthermore, the yarns guided by the guides run toward the suction port of the suction gun through the shortest path. With this arrangement, when the yarns are threaded to the yarn path regulatory guide, the yarns are still aligned at the regular intervals in the yarn path regulatory guide. As a result, the yarn threading to the yarn path regulatory guide is facilitated. Meanwhile, the yarns guided by the guides converge at the suction port, and the intervals of the yarns start to narrow toward the downstream side in the yarn running direction.
  • the spun yarn take-up apparatus of the eighth aspect is arranged such that the positioning portion is movable in an up-down direction.
  • the position of each guide in the up-down direction is adjusted in the spun yarn take-up apparatus in accordance with types of the yarns spun out from the spinning apparatus.
  • the position of the positioning portion also needs to be changed in the up-down direction.
  • the positioning portion defines the predetermined position where the suction port of the suction gun is positioned.
  • the position of the positioning portion in the up-down direction is suitably adjusted to correspond to the position of each guide in the up-down direction.
  • the spun yarn take-up apparatus of any one of the first to ninth aspects is arranged such that the positioning portion is inclined from a horizontal plane.
  • the suction gun is placed at the positioning portion so that the suction port faces obliquely upward, the suction gun is supported by the inclination of the positioning portion which is inclined from the horizontal plane. As a result, it is easy to support the heavy suction gun. With this arrangement, the yarn threading to the yarn path regulatory guide is further facilitated.
  • the spun yarn take-up apparatus of any one of the first to tenth aspects is arranged such that the positioning portion is movable in the arrangement direction.
  • the position of the positioning portion is suitably adjusted in the arrangement direction. Because of this, when viewed in the orthogonal direction, the position of the positioning portion is adjusted so as to define a predetermined position where the yarns overlap the groove portions. In this regard, the yarns are sucked by the suction port of the suction gun positioned by the positioning portion. With this arrangement, the yarn threading to the yarn path regulatory guide is further facilitated.
  • the spun yarn take-up apparatus of any one of the first to eleventh aspects is arranged such that the positioning portion is V-shaped in cross section.
  • FIG. 1 schematically shows a spun yarn take-up apparatus 1.
  • the up-down direction on the sheet of FIG. 1 will be referred to as an up-down direction
  • the left-right direction of the sheet of FIG. 1 will be referred to as a left-right direction
  • a direction perpendicular to the sheet of FIG. 1 will be referred to as a front-rear direction
  • a direction toward the viewer of FIG. 1 will be referred to as a forward direction.
  • the spun yarn take-up apparatus 1 is configured to wind yarns Y spun out from a spinning apparatus 2, by means of a yarn winding apparatus 4.
  • the spinning apparatus 2 is configured to spin out molten polymer downward as the yarns Y.
  • the spun yarn take-up apparatus 1 includes oil guides 5 including the respective oil nozzles, plural guides 6, a yarn path regulatory guide 7, a positioning portion 31, a yarn swing suppressor 32, two godet rollers 11 and 12, the spun yarn drawing apparatus 3, and the yarn winding apparatus 4.
  • the spinning apparatus 2 and the oil guides 5 and guides 6 which are provided below the spinning apparatus 2, are provided on an upper floor (i.e., second floor).
  • the yarn path regulatory guide 7, the two godet rollers 11 and 12, the spun yarn drawing apparatus 3, and the yarn winding apparatus 4 are provided on a lower floor (i.e., first floor).
  • the oil guides 5 are provided below the spinning apparatus 2, and configured to apply oil to the respective yarns Y spun out downward from the spinning apparatus 2.
  • the guides 6 are provided below the respective oil guides 5 at regular intervals in the left-right direction, and configured to individually guide the yarns Y to which oil has been applied.
  • the yarn path regulatory guide 7 is provided below the guides 6.
  • the yarn path regulatory guide 7 is configured to cause the yarns Y individually guided by the guides 6, to be aligned at regular intervals in the left-right direction.
  • the yarn path regulatory guide 7 includes groove portions 71 (see FIG. 4 ) aligned in the left-right direction, i.e., an arrangement direction which is orthogonal to a yarn running direction in which the yarns Y run. Each groove portion 71 is open forward. As the yarns Y run in the respective groove portions 71, (i) intervals between the yarns Y are defined in the left-right direction and (ii) the movement of the yarns Y aligned in the left-right direction is restricted in the left-right direction.
  • the yarn path regulatory guide 7 is attached to a front part of a base main body 17 of the spun yarn take-up apparatus 1 via a connection member 18.
  • a yarn regulation bar 72 is attached to the yarn path regulatory guide 7.
  • the yarn regulation bar 72 is used to guide the yarns Y to the yarn path regulatory guide 7 in yarn threading to the yarn path regulatory guide 7.
  • the yarn regulation bar 72 is also used to prevent the yarns Y from being released from the yarn path regulatory guide 7 after the yarn threading to the yarn path regulatory guide 7.
  • the yarn regulation bar 72 extends in the left-right direction over the groove portions 71.
  • the yarn regulation bar 72 is cantilevered at its left end portion by a leading end portion of a lever 73.
  • the lever 73 is rotatable about a shaft 74 extending in the left-right direction.
  • the yarn regulation bar 72 is at a regulation position which is provided in front of the yarns Y.
  • the yarn regulation bar 72 is at a regulation cancellation position which is provided below and behind the yarn regulation bar 72 at the regulation position.
  • the yarn regulation bar 72 does not interfere with each yarn Y and does not restrict each yarn Y from being introduced into a corresponding groove portion 71 of the yarn path regulatory guide 7.
  • the positioning portion 31 is provided downstream of the yarn path regulatory guide 7 in the yarn running direction.
  • the yarns Y are threaded to the yarn path regulatory guide 7 by a worker while the yarns Y are sucked and held by a suction gun 40 (see FIG. 3 ).
  • the positioning portion 31 is configured to position a suction port 40a of the suction gun 40 at a position where the yarn threading to the yarn path regulatory guide 7 is possible.
  • the yarn swing suppressor 32 is provided between the yarn path regulatory guide 7 and the positioning portion 31 in the yarn running direction. The positioning portion 31 and the yarn swing suppressor 32 will be detailed later.
  • the godet rollers 11 and 12 are provided downstream of the yarn path regulatory guide 7 and the positioning portion 31 in the yarn running direction, and rotationally driven by unillustrated motors.
  • the yarns Y spun out from the spinning apparatus 2 are wound onto the godet roller 11 via the oil guides 5, the guides 6, and the yarn path regulatory guide 7, and are then sent to the spun yarn drawing apparatus 3 by the godet roller 11.
  • the yarns Y heated and drawn by the spun yarn drawing apparatus 3 are wound onto the godet roller 12, and are then sent to the yarn winding apparatus 4 by the godet roller 12.
  • the spun yarn drawing apparatus 3 is an apparatus for heating and drawing the yarns Y, and is provided below the spinning apparatus 2.
  • the spun yarn drawing apparatus 3 includes a thermal insulation box 20 and five godet rollers 91 to 95 housed in the thermal insulation box 20.
  • a yarn inlet 20a is formed to introduce the yarns Y into the thermal insulation box 20.
  • a yarn outlet 20b is formed to take the yarns Y out from the thermal insulation box 20.
  • the lower three godet rollers 91 to 93 are preheating rollers for preliminarily heating the yarns Y which are to be drawn.
  • the upper two godet rollers 94 and 95 are conditioning rollers for thermally set the drawn yarns Y.
  • the roller surface temperatures of the upper two godet rollers 94 and 95 are arranged to be higher than those of the lower three godet rollers 91 to 93. Furthermore, the yarn feeding speeds of the upper two godet rollers 94 and 95 are higher than those of the lower three godet rollers 91 to 93.
  • the yarns Y introduced into the thermal insulation box 20 through the yarn inlet 20a are, to begin with, preliminarily heated to a drawable temperature while being transferred by the godet rollers 91 to 93.
  • the preliminarily-heated yarns Y are drawn on account of a difference in yarn feeding speed between the godet roller 93 and the godet roller 94. Subsequently, the yarns Y are further heated while being transferred by the godet rollers 94 and 95, with the result that the drawn state is thermally set.
  • the yarns Y having been drawn in this way go out from the thermal insulation box 20 through the yarn outlet 20b.
  • the yarn winding apparatus 4 is an apparatus for winding the yarns Y, and is provided below the spun yarn drawing apparatus 3.
  • the yarn winding apparatus 4 includes members such as a bobbin holder 13 and a contact roller 14.
  • the bobbin holder 13 is cylindrical in shape, and extends in the front-rear direction.
  • the bobbin holder 13 is rotationally driven by an unillustrated motor.
  • bobbins B are attached along the axial direction of the bobbin holder 13 to be side by side.
  • the contact roller 14 makes contact with the surfaces of the packages P to adjust the shape of each package P by applying a predetermined contact pressure to each package P.
  • the positioning portion 31 will be detailed.
  • the positioning portion 31 is configured to position the suction port 40a of the suction gun 40 at a predetermined position which is downstream of the yarn path regulatory guide 7 in the yarn running direction and where the yarn threading to the yarn path regulatory guide 7 is possible.
  • this predetermined position is a position where the yarns Y overlap the groove portions 71 when viewed in the front-rear direction (corresponding to an orthogonal direction of the present invention).
  • the yarns Y are sucked by the suction port 40a of the suction gun 40 which is positioned by the positioning portion 31.
  • the positioning portion 31 is attached to a leading end portion of an arm unit 51 extending in the front-rear direction.
  • the arm unit 51 is rotatably cantilevered at its rear end by an elevation plate 53 via a rotational shaft 52 having an axis extending in the left-right direction.
  • the arm unit 51 extends forward from the elevation plate 53 as shown in FIG. 2 and FIG. 5 .
  • the positioning portion 31 attached to the leading end portion of the arm unit 51 is able to position the suction port 40a of the suction gun 40 at the above-described predetermined position.
  • the arm unit 51 rotates about the rotational shaft 52 so that the leading end portion of the arm unit 51 is provided below the rotational shaft 52 as shown in FIG. 3 .
  • the positioning portion 31 is moved away from a yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds each yarn Y.
  • the elevation plate 53 is fixed to a fixed plate 54 by a fixing member 55.
  • an elevation groove 57 extending along the up-down direction is formed in the fixed plate 54.
  • the elevation plate 53 is provided behind the fixed plate 54, a second elevation plate 56 is provided in front of the fixed plate 54.
  • the fixing member 55 penetrates the second elevation plate 56, the elevation groove 57, and the elevation plate 53 in the front-rear direction so that the elevation plate 53 is fixed to the fixed plate 54.
  • the fixing member 55 is, e.g., a screw.
  • the fixed plate 54 is attached to the base main body 17.
  • the elevation plate 53 and the second elevation plate 56 move in the up-down direction.
  • the arm unit 51 and the positioning portion 31 also move in the up-down direction. That is, the positioning portion 31 is movable in the up-down direction in the present embodiment.
  • the positioning portion 31 when each yarn Y is threaded to the yarn path regulatory guide 7, the positioning portion 31 is inclined from the horizontal plane. To be more specific, the positioning portion 31 extends in the front-rear direction, and the positioning portion 31 is inclined so that its front end portion is provided below its rear end portion. In the present embodiment, when each yarn Y is threaded to the yarn path regulatory guide 7, the suction gun 40 is placed at the inclined positioning portion 31 so that the suction port 40a faces obliquely upward as shown in FIG. 2 . As shown in FIG. 4 , because the positioning portion 31 has a V-shaped cross sectional shape, the positioning portion 31 is V-shaped when viewed in the front-rear direction. In the present embodiment, when the yarns Y are threaded to the yarn path regulatory guide 7, the leading end part of the suction gun 40 including the suction port 40a is placed at a part of the positioning portion 31 which has the V-shaped cross sectional shape.
  • the yarn swing suppressor 32 will be detailed. As shown in FIG. 2 and FIG. 4 , the yarn swing suppressor 32 is provided between the yarn path regulatory guide 7 and the positioning portion 31 in the yarn running direction. The yarns Y, which are sucked by the suction port 40a of the suction gun 40 positioned by the positioning portion 31, make contact with the yarn swing suppressor 32.
  • the yarn swing suppressor 32 is attached to a rear part of the positioning portion 31 and moves together with the positioning portion 31.
  • the positioning portion 31 can be moved away from the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y.
  • the yarn swing suppressor 32 which moves together with the positioning portion 31 can be also moved away from the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y.
  • the positioning portion 31 is movable in the up-down direction. With this arrangement, the yarn swing suppressor 32 which moves together with the positioning portion 31 is also movable in the up-down direction.
  • the yarn swing suppressor 32 is cylindrical in shape, and has the axis along the left-right direction.
  • the yarns Y which are sucked by the suction port 40a of the suction gun 40 positioned by the positioning portion 31, make contact with a circumferential surface of the yarn swing suppressor 32.
  • an angle ⁇ between parts of the yarns Y upstream of the yarn swing suppressor 32 in the yarn running direction and parts of the yarns Y downstream of the yarn swing suppressor 32 in the yarn running direction is equal to or less than 165 degrees on a side where the yarn swing suppressor 32 is provided in the front-rear direction.
  • the yarns Y viewed in the left-right direction look like one yarn Y.
  • the angle on the side where the yarn swing suppressor 32 is provided in the front-rear direction is one of angles formed by (i) parts of the yarns Y upstream of the yarn swing suppressor 32 in the yarn running direction and (ii) parts of the yarns Y downstream of the yarn swing suppressor 32 in the yarn running direction.
  • the one of the angles is closer to the base main body 17 than the other of the angles in the front-rear direction. That is, the one of the angles is on the rear side in the front-rear direction as compared to the other of the angles.
  • An average time (seconds) taken by yarn threading to the yarn path regulatory guide 7 was measured in each of a Comparative Example 1, a Comparative Example 2, a Comparative Example 3, and an Example, and the average times of the Comparative Examples 1 to 3 and the Example were compared with one another.
  • the following time was measured: an average time taken by yarn threading, which was performed by an operator, to a yarn path regulatory guide 7 of a spun yarn take-up apparatus 1 which did not include the positioning portion 31 and yarn swing suppressor 32 of the present embodiment.
  • Example 2 the following time was measured: an average time taken by yarn threading, which was performed by the operator, to a yarn path regulatory guide 7 of a spun yarn take-up apparatus 1 which was identical to the spun yarn take-up apparatus 1 of the present embodiment, i.e., which included the positioning portion 31 and the yarn swing suppressor 32.
  • the Comparative Example 1 is related to an average time taken by yarn threading to the yarn path regulatory guide 7, which was performed by a skilled operator of the yarn threading.
  • the Comparative Example 2 is related to an average time taken by yarn threading to the yarn path regulatory guide 7, which was performed by an experienced operator who had performed the yarn threading.
  • the Comparative Example 3 is related to an average time taken by yarn threading to the yarn path regulatory guide 7, which was performed by an unskilled operator who had never performed the yarn threading.
  • the Example is related to an average of (i) an average time taken by the yarn threading by the experienced operator and (ii) an average time taken by the yarn threading by the unskilled operator.
  • the skilled operator indicates a person who is able to perform the yarn threading and performs the yarn threading every day.
  • the experienced operator indicates a person who is able to perform the yarn threading and does not perform the yarn threading every day.
  • the unskilled operator indicates a person who has never performed the yarn threading before.
  • the average time taken by the yarn threading in the Comparative Example 1 is an average value of seven executions of the yarn threading by one skilled operator A.
  • the average time taken by the yarn threading in the Comparative Example 2 is an average value of (i) an average value of two executions of the yarn threading by an experienced operator A and (ii) a time of one execution of the yarn threading by an experienced operator B.
  • the average time taken by the yarn threading in the Comparative Example 3 is an average value of (i) an average value of two executions of the yarn threading by an unskilled operator A and (ii) a time of one execution of the yarn threading by an unskilled operator B.
  • the average time taken by the yarn threading in the Example is an average value of (i) an average value of two executions of the yarn threading by the experienced operator A and (ii) an average value of two executions of the yarn threading by the unskilled operator A.
  • the average time taken by the yarn threading is 12 seconds in the Comparative Example 1, the average time taken by the yarn threading is 20 seconds in the Comparative Example 2, and the average time taken by the yarn threading is 56 seconds in the Comparative Example 3.
  • the average time taken by the yarn threading is 10 seconds in the Example. That is, the time taken by the yarn threading to the yarn path regulatory guide 7 is shortened in the Example 1, regardless of to what extent a person is skilled in the yarn threading.
  • the spun yarn take-up apparatus 1 of the present embodiment includes (i) the yarn path regulatory guide 7 including the groove portions 71 aligned in the left-right direction and (ii) the positioning portion 31 configured to position the suction port 40a of the suction gun 40 at the predetermined position which is downstream of the yarn path regulatory guide 7 in the yarn running direction and where yarn threading to the yarn path regulatory guide 7 is possible.
  • the positioning portion 31 can position the suction port 40a of the suction gun 40 at the predetermined position where the yarn threading to the yarn path regulatory guide 7 is possible. With this arrangement, it does not take time to position the suction port 40a of the suction gun 40 at a suitable working location.
  • the suction gun 40 is held while the suction port 40a is placed at the positioning portion 31, it is possible to solve the difficulty in keeping to hold the suction gun 40 during the yarn threading. As a result, the yarns Y are easily threaded to the yarn path regulatory guide 7.
  • the predetermined position is a position where the yarns Y overlap the groove portions 71 when viewed in the front-rear direction.
  • the yarns Y are sucked by the suction port 40a of the suction gun 40 which is positioned by the positioning portion 31.
  • the yarn swing suppressor 32 is provided between the yarn path regulatory guide 7 and the positioning portion 31 in the yarn running direction.
  • the yarns Y which are sucked by the suction port 40a positioned by the positioning portion 31 make contact with the yarn swing suppressor 32.
  • a swirling flow is generated inside the suction gun 40.
  • the yarn swing suppressor 32 with which the yarns Y make contact is provided between the yarn path regulatory guide 7 and the positioning portion 31 in the yarn running direction, the yarn swing due to the swirling flow generated in the suction gun 40 is less likely to be propagated to the yarns Y running in the vicinity of the yarn path regulatory guide 7. With this arrangement, the yarns Y are further easily threaded to the yarn path regulatory guide 7.
  • the angle ⁇ between parts of the yarns Y upstream of the yarn swing suppressor 32 in the yarn running direction and parts of the yarns Y downstream of the yarn swing suppressor 32 in the yarn running direction is equal to or less than 165 degrees on the side where the yarn swing suppressor 32 is provided in the front-rear direction.
  • the yarn swing suppressor 32 is more tightly pressed onto the yarns Y as compared to cases where the angle ⁇ is more than 165 degrees.
  • the yarn swing due to the swirling flow generated in the suction gun 40 is further suppressed from being propagated to the yarns Y running in the vicinity of the yarn path regulatory guide 7.
  • the yarn swing suppressor 32 can be moved away from the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds each yarn Y. With this arrangement, when the yarn winding apparatus 4 winds each yarn Y after the yarn threading to the yarn path regulatory guide 7 is completed, contact between the yarn swing suppressor 32 and the running yarns Y is avoided. This prevents the decrease in quality of the yarns Y due to the contact with the yarn swing suppressor 32.
  • the positioning portion 31 can be moved away from the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds each yarn Y. With this arrangement, when the yarn winding apparatus 4 winds each yarn Y after the yarn threading to the yarn path regulatory guide 7 is completed, contact between the positioning portion 31 and the running yarns Y is avoided. This prevents the decrease in quality of the yarns Y due to the contact with the positioning portion 31.
  • the spun yarn take-up apparatus 1 of the present embodiment further includes the guides 6 which are provided below the spinning apparatus 2 at regular intervals in the left-right direction and which are configured to individually guide the yarns Y spun out from the spinning apparatus 2. Furthermore, the yarn path regulatory guide 7 which is provided below the guides 6 is configured to cause the yarns Y individually guided by the guides 6, to be aligned at regular intervals in the left-right direction. With this arrangement, the yarns Y spun out from the spinning apparatus 2 are guided by the guides 6 so as to be aligned in the left-right direction at regular intervals. The yarns Y guided by the guides 6 run toward the suction port 40a of the suction gun 40 through the shortest path.
  • the yarns Y are threaded to the yarn path regulatory guide 7, the yarns Y are still aligned at regular intervals in the yarn path regulatory guide 7. Therefore, the yarns Y are easily threaded to the yarn path regulatory guide 7. Meanwhile, the yarns Y guided by the guides 6 converge at the suction port 40a, and the intervals of the yarns Y start to narrow toward the downstream side in the yarn running direction.
  • the positioning portion 31 is movable in the up-down direction.
  • the position of each guide 6 in the up-down direction is adjusted in the spun yarn take-up apparatus 1 in accordance with types of the yarns Y spun out from the spinning apparatus 2.
  • the positioning portion 31 defines the predetermined position where the suction port 40a of the suction gun 40 is positioned.
  • the position of the positioning portion 31 in the up-down direction is suitably adjusted to correspond to the position of each guide 6 in the up-down direction. With this arrangement, even when the position of each guide 6 is changed, the positioning portion 31 is able to be provided at a suitable position. As a result, the yarn threading to the yarn path regulatory guide 7 is facilitated.
  • the positioning portion 31 is inclined from the horizontal plane.
  • the positioning portion 31 has a V-shaped cross sectional shape.
  • the positioning portion 31 can be moved away from the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds each yarn Y.
  • the positioning portion 31 may be provided so as not to overlap the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y.
  • a positioning portion 131 is attached to an elevation plate 153 and provided so as not to overlap the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y.
  • the elevation plate 153 is fixed to a fixed plate 154 by a fixing member 155.
  • an elevation groove 157 extending along the up-down direction is formed in the fixed plate 154 as shown in FIG. 9 .
  • the elevation plate 153 is provided behind the fixed plate 154, a second elevation plate 156 is provided in front of the fixed plate 154.
  • the fixed plate 154 is sandwiched by the elevation plate 153 and the second elevation plate 156.
  • the fixing member 155 penetrates the second elevation plate 156, the elevation groove 157, and the elevation plate 153 in the front-rear direction so that the elevation plate 153 is fixed to the fixed plate 154.
  • the fixing member 155 is, e.g., a screw.
  • the fixed plate 154 is attached to the base main body 17.
  • the positioning portion 131 moves in the up-down direction. That is, the positioning portion 131 is movable in the up-down direction in the first modification.
  • the positioning portion 131 is moved in the up-down direction so that the positions of the groove portions 71 provided above the yarn path regulatory guide 7 correspond to the positions of the yarns Y in the left-right direction.
  • the positioning portion 131 is provided so as not to overlap the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y.
  • the positioning portion 131 is inclined from the horizontal plane.
  • the suction gun 40 is placed at the positioning portion 131 so that the suction port 40a faces obliquely upward as shown in FIG. 7 .
  • the positioning portion 131 is inclined from the horizontal plane.
  • the positioning portion 131 has a V-shaped cross sectional shape, the positioning portion 131 is V-shaped when viewed in the front-rear direction.
  • the leading end part of the suction gun 40 including the suction port 40a is placed at a part of the positioning portion 131 which has the V-shaped cross sectional shape.
  • a yarn swing suppressor 132 is a plate member in the first modification. A contact part of this plate member with the yarns Y is processed to suppress yarn breakage due to the contact with the yarns Y. A rear end part of the yarn swing suppressor 132 is cantilevered to be rotatable by the fixed plate 154 via a rotational shaft 141 having an axis extending in the left-right direction. As shown in FIG. 7 , when the yarns Y are threaded to the yarn path regulatory guide 7, the yarn swing suppressor 132 extends forward from the fixed plate 154.
  • the yarns Y sucked by the suction port 40a of the suction gun 40 positioned by the positioning portion 131 make contact with a front surface of the yarn swing suppressor 132.
  • the yarn swing suppressor 132 rotates about the rotational shaft 141 so that the leading end portion of the yarn swing suppressor 132 is provided below the rotational shaft 141. That is, the yarn swing suppressor 132 is moved away from the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds each yarn Y.
  • an angle ⁇ ' between parts of the yarns Y upstream of the yarn swing suppressor 132 in the yarn running direction and parts of the yarns Y downstream of the yarn swing suppressor 132 in the yarn running direction is equal to or less than 165 degrees on a side where the yarn swing suppressor 132 is provided in the front-rear direction.
  • the yarns Y viewed in the left-right direction look like one yarn Y.
  • the angle on the side where the yarn swing suppressor 132 is provided in the front-rear direction is one of angles formed by (i) parts of the yarns Y upstream of the yarn swing suppressor 132 in the yarn running direction and (ii) parts of the yarns Y downstream of the yarn swing suppressor 132 in the yarn running direction.
  • the one of the angles is closer to the base main body 17 than the other of the angles in the front-rear direction. That is, the one of the angles is on the rear side in the front-rear direction as compared to the other of the angles.
  • the yarn swing suppressor 32 moves together with the positioning portion 31
  • the yarn swing suppressor 132 does not move together with the positioning portion 131 in the first modification.
  • the yarn swing suppressor 132 does not move in the up-down direction.
  • the positioning portion 131 is provided so as not to overlap the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y. Furthermore, the yarn swing suppressor 132 can be moved away from the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y. With this arrangement, when the yarn winding apparatus 4 winds each yarn Y after the yarn threading to the yarn path regulatory guide 7 is completed, the contact between the positioning portion 131, the yarn swing suppressor 132, and the running yarns Y is avoided. This prevents the decrease in quality of the yarns Y due to the contact with the positioning portion 131 and the yarn swing suppressor 132.
  • both the positioning portion 131 and the yarn swing suppressor 132 may be provided so as not to overlap the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y.
  • a positioning portion 231 of the second modification is fixed to an elevation plate 253 by two fixing members 262.
  • the elevation plate 253 includes an inclined part 253a which is inclined so that its front end is positioned above its rear end.
  • a left-right groove 254 is formed to extend in the left-right direction.
  • the two fixing members 262 penetrate the positioning portion 231 and the left-right groove 254 in a direction orthogonal to the inclined part 253a so that the positioning portion 231 is fixed to the inclined part 253a of the elevation plate 253.
  • the fixing members 262 are, e.g., screws.
  • the positioning portion 231 moves in the left-right direction (see a solid arrow in FIG. 10 ).
  • a part of the positioning portion 231 has a V-shaped cross sectional shape, and the part of the positioning portion 231 fixed to the inclined part 253a has an inner surface inclined from the horizontal plane.
  • the suction gun 40 is placed at the part of the positioning portion 231 so that the suction port 40a faces obliquely upward.
  • the part of the positioning portion 231 is inclined from the horizontal plane.
  • the elevation plate 253 is fixed to a fixed plate 255 by a fixing member 257.
  • a fixing member 257 To be more specific, an elevation groove 256 extending along the up-down direction is formed in the fixed plate 255 as shown in FIG. 10 .
  • the fixing member 257 penetrates the elevation plate 253 and the elevation groove 256 in the front-rear direction so that the elevation plate 253 is fixed to the fixed plate 255.
  • the fixing member 257 is, e.g., a screw.
  • the fixed plate 255 is attached to the base main body 17.
  • the positioning portion 231 As the fixing member 257 is moved up and down along the elevation groove 256 while the fixation of the elevation plate 253 to the fixed plate 255 by the fixing member 257 is loosened, the elevation plate 253 moves in the up-down direction. As the elevation plate 253 moves in the up-down direction, the positioning portion 231 also moves in the up-down direction. That is, the positioning portion 231 is movable in the up-down direction in the second modification. In the second modification, even when moving in the up-down direction, the positioning portion 231 is provided so as not to overlap the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y.
  • the yarn swing suppressor 232 is a plate member. A contact part of this plate member with the yarns Y is processed to suppress yarn breakage due to the contact with the yarns Y. A rear end part of the yarn swing suppressor 232 is cantilevered by an upper end part of the elevation plate 253 via a rotational shaft 241 having an axis extending in the left-right direction.
  • the yarn swing suppressor 232 extends forward from the elevation plate 253 as shown in FIG. 10 . That is, the yarns Y, which are sucked by the suction port 40a of the suction gun 40 positioned by the positioning portion 231, make contact with a front surface of the yarn swing suppressor 232.
  • the yarn swing suppressor 232 rotates about the rotational shaft 241 so that the leading end portion of the yarn swing suppressor 232 is provided below the rotational shaft 241 (see a solid arrow in FIG. 10 ). That is, the yarn swing suppressor 232 is moved away from the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y.
  • the yarn swing suppressor 232 is movable together with the elevation plate 253 in the up-down direction.
  • the positioning portion 231 is movable in the left-right direction.
  • the position of the positioning portion 231 is suitably adjusted in the left-right direction. Because of this, when viewed in the front-rear direction, the position of the positioning portion 231 is adjusted so as to define a predetermined position where the yarns Y overlap the groove portions 71. In this regard, the yarns Y are sucked by the suction port 40a of the suction gun 40 positioned by the positioning portion 231. The yarn threading to the yarn path regulatory guide 7 is therefore facilitated.
  • both the positioning portion 231 and the yarn swing suppressor 232 may be provided so as not to overlap the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y, or may be able to be moved away from the yarn path of the yarns Y at the time when the yarn winding apparatus 4 winds the yarns Y.
  • the spun yarn take-up apparatus 1 of the present invention may not include the yarn swing suppressor 32.
  • the yarn path regulatory guide 7 of the present invention may not be configured to cause the yarns Y which are individually guided by the guides 6, to be aligned at regular intervals.
  • the yarn path regulatory guide 7 may be provided at a part where the adjacent yarns Y run substantially in parallel to one another between two rollers (e.g., godet rollers).
  • the positioning portion of the present invention may not be inclined from the horizontal plane, or may not have a V-shaped cross sectional shape.
  • a positioning portion may have a U-shaped cross sectional shape or a C-shaped cross sectional shape.
  • the yarn path regulatory guide 7 of the embodiment above includes the groove portions 71 each of which is open forward.
  • the yarn path regulatory guide 7 is configured to cause the yarns Y running in front of the yarn path regulatory guide 7, to be aligned at regular intervals in the left-right direction.
  • the yarn path regulatory guide 7 is not limited to this.
  • a yarn path regulatory guide 107 includes groove portions each of which is open rearward.
  • the yarn path regulatory guide 107 is configured to cause the yarns Y running behind the yarn path regulatory guide 107, to be aligned at regular intervals in the left-right direction.
  • the yarn path regulatory guide 107 is attached to the front part of the base main body 17 via a connection member 118.
  • connection member 118 extends in the front-rear direction to be provided to the right of the yarns Y (i.e., a direction away from the viewer of FIG. 11 ) aligned in the left-right direction.
  • an angle ⁇ '' between parts of the yarns Y upstream of the yarn swing suppressor 32 in the yarn running direction and parts of the yarns Y downstream of the yarn swing suppressor 32 in the yarn running direction is preferably equal to or less than 165 degrees on the side where the yarn swing suppressor 32 is provided in the front-rear direction.
  • the angle on the side where the yarn swing suppressor 32 is provided in the front-rear direction is one of angles formed by (i) parts of the yarns Y upstream of the yarn swing suppressor 32 in the yarn running direction and (ii) parts of the yarns Y downstream of the yarn swing suppressor 32 in the yarn running direction.
  • the one of the angles is closer to the base main body 17 than the other of the angles in the front-rear direction. That is, the one of the angles is on the rear side in the front-rear direction as compared to the other of the angles.
  • the yarn path regulatory guide 107 may be attached to the front part of the base main body 17 via a connection member 118 which extends in the front-rear direction to be provided to the left of the yarns Y (i.e., provided on the side close to the viewer of FIG. 11 ) aligned in the left-right direction.
  • the yarn path regulatory guide 7 and the connection member 18 may be integrated, and the yarn path regulatory guide 107 and the connection member 118 may be integrated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
EP22161323.5A 2021-03-31 2022-03-10 Aufnahmevorrichtung für gesponnenes garn Pending EP4067277A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2021060845 2021-03-31

Publications (1)

Publication Number Publication Date
EP4067277A1 true EP4067277A1 (de) 2022-10-05

Family

ID=80786504

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22161323.5A Pending EP4067277A1 (de) 2021-03-31 2022-03-10 Aufnahmevorrichtung für gesponnenes garn

Country Status (3)

Country Link
EP (1) EP4067277A1 (de)
JP (1) JP2022159163A (de)
CN (1) CN115142146A (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013057148A (ja) 2011-09-09 2013-03-28 Tmt Machinery Inc 糸切断吸引装置及び紡糸巻取装置
WO2015198698A1 (ja) * 2014-06-23 2015-12-30 Ｔｍｔマシナリー株式会社 紡糸引取装置
JP6153791B2 (ja) * 2013-07-03 2017-06-28 Ｔｍｔマシナリー株式会社 紡糸引取機、及び、紡糸引取方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013057148A (ja) 2011-09-09 2013-03-28 Tmt Machinery Inc 糸切断吸引装置及び紡糸巻取装置
JP6153791B2 (ja) * 2013-07-03 2017-06-28 Ｔｍｔマシナリー株式会社 紡糸引取機、及び、紡糸引取方法
WO2015198698A1 (ja) * 2014-06-23 2015-12-30 Ｔｍｔマシナリー株式会社 紡糸引取装置

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JP2022159163A (ja) 2022-10-17

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