EP1167264A2 - Cylindre de va-et-vient et procédé pour sa fabrication - Google Patents

Cylindre de va-et-vient et procédé pour sa fabrication Download PDF

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Publication number
EP1167264A2
EP1167264A2 EP01110583A EP01110583A EP1167264A2 EP 1167264 A2 EP1167264 A2 EP 1167264A2 EP 01110583 A EP01110583 A EP 01110583A EP 01110583 A EP01110583 A EP 01110583A EP 1167264 A2 EP1167264 A2 EP 1167264A2
Authority
EP
European Patent Office
Prior art keywords
traverse
drum
traverse drum
segmental
section
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Withdrawn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
EP01110583A
Other languages
German (de)
English (en)
Other versions
EP1167264A3 (fr
Inventor
Kenji Oohashi
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.)
Murata Machinery Ltd
Original Assignee
Murata Machinery 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 Murata Machinery Ltd filed Critical Murata Machinery Ltd
Publication of EP1167264A2 publication Critical patent/EP1167264A2/fr
Publication of EP1167264A3 publication Critical patent/EP1167264A3/fr
Withdrawn legal-status Critical Current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
    • B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
    • B65H54/40—Arrangements for rotating packages
    • B65H54/46—Package drive drums
    • B65H54/48—Grooved drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to construction and manufacturing method of a traverse drum, installed in apparatus such as automatic winders etc., which revolves a package while operating traverse.
  • winding apparatus such as automatic winders winds yarn onto a package with said package rotating by revolving a traverse drum from outside which is pressed against said package by pressure.
  • traverse grooves which draw caterpillar tread are provided on the surface of the traverse drum in order to wind yarn to the package uniformly and axially, and traverse is operated with the traverse grooves that guides yarn.
  • a traverse drum TD mounted in apparatus such as an automatic Winder etc. includes traverse grooves G on its surface TDa.
  • a yarn Y is guided by the traverse grooves G and wound onto a package P by the mechanism in which the surface of the package P touches the surface TDa of the traverse drum TD and the traverse drum TD is revolved by an exterior drive unit that is not illustrated in the figure.
  • the reference mark TG in Figure 6 designates the traverse guide.
  • the aforementioned traverse drum TD in general is an integrally-molded drum made of metals like aluminum or iron.
  • a cylinder is cast by die-cast process or lost-wax process and the above-mentioned traverse grooves are shaped on it, and the surface treatment is provided on it by machining, such as groove processing or finishing processing, in order to raise the dimensional accuracy.
  • the above-mentioned manufacturing method of the conventional integral-type traverse drums costs much and provides low dimensional accuracy because it is difficult to make a mold for casting the aforementioned cylinder. As another defect, it highly costs to make traverse grooves on said cylinder and to raise the dimensional accuracy because it necessarily requires the surface treatment by complicated machining such as groove processing or finishing processing.
  • the present invention provides the manufacturing method of traverse drums which makes it easy to make a mold for molding, and the traverse drums which are formed applicable to the injection molding process producing them with high dimensional accuracy and which have the high dimensional accuracy in low cost without requiring the complicated machining such as the surface finishing processing.
  • An object of the present invention is to accomplish the aforesaid object. More specifically, it is an object of the present invention to provide a traverse drum having traverse grooves on its surface.
  • Said traverse drum comprises a plurality of traverse drum segmental piece, each of which includes a section forming a part of traverse groove. A plurality of said segmental pieces are assembled into a traverse drum which had traverse grooves on its surface.
  • Another object of the present invention is to provide a traverse drum comprising a plurality of traverse drum segmental pieces, which are divided in round slices piece by piece, and a plurality of traverse drum segmental pieces comprise an axial-direction-arrangement-order means and a position-fix-for-rotating-angle-direction means.
  • a further object of the present invention is to provide a traverse drum assembling a plurality of said traverse drum segmental pieces through a drum holder axially.
  • a further object of the present invention is to provide a traverse drum with a concave section made by removing an acute section at which traverse groove on the drum surface crosses with acute angle on each facing side of two traverse drum segmental pieces adjoining each other, and which comprises a part of the side of a traverse drum segmental piece and a part of the side of traverse groove.
  • a convex section adjusted to said concave section is provided on the side of the other traverse drum segmental piece.
  • a further object of the present invention is to provide a manufacturing method of traverse drum which makes a plurality of traverse drum segmental pieces by injection molding and assemble them without the groove finishing processing.
  • a traverse drum 1 basically comprising a plurality of traverse drum segmental pieces 2 divided in round slices.
  • a plurality of the traverse drum segmental pieces 2 have sections 3 forming some parts of traverse groove G on each drum surface 2a, and they compose the traverse grooves G which draw caterpillar tread through the assembly described below.
  • the traverse drum segmental pieces 2 of the present invention are divided in round slices.
  • An embodiment of the traverse drum 1 is presented in Figure 1, wherein it comprises an aggregation of seven traverse drum segmental pieces 2.
  • Each of the traverse drum segmental pieces 2 are molded through injection molding in accordance with the pattern designed in advance.
  • the injection molding melts molding-material with the application of heat in injection cylinder, and injects the fluid molding-material with pressure into a mold which is closed tightly by injection plunger or screw. It is the way to mold a product in injection molding. It is appropriate to mold the above-mentioned traverse drum segmental pieces 2. Injection molding both by resin injection and metal injection can be applied to the molding of said traverse drum segmental pieces 2.
  • the traverse drum segmental pieces 2 of the present invention are divided in round slices and are threaded with drum holder 4 like a skewer.
  • the traverse groove on the drum surface 2a crosses with acute angel on the sides 2c, 2b of the traverse drum segmental pieces 2A, 2B that meet each other, and the traverse drum segmental piece 2A inevitably includes an acute section.
  • the acute section 20 which is formed by a section of the side 2c of the traverse drum segmental piece 2A and a section of the side wall 3a of a traverse groove 3 is removed to be a concave section 21.
  • the convex section 22 at least adjusted to the concave section 21 is provided on the side 2b of the traverse drum segmental piece 2B adjoining the other piece 2A.
  • the traverse drum segmental piece 2 of the present invention is divided in round slices and threaded with the drum holder 4 like a skewer when assembled into a traverse drum, and includes a via hole 5 for said drum holder 4 to come through. Moreover, for the process of assembly, said traverse drum segmental piece 2 includes the axial-direction-arrangement-order means 6 which arranges the pieces axially, and the position-fix-for-rotating-angle-direction means 7 which fixes the position of rotating angle direction .
  • axial-direction-arrangement-order means 6 forms numerals 1 through 7 designating the arrangement order in accordance with the pattern designed in advance. As Figure 2A shows, these numerals are inscribed on the side 2b of said traverse drum segmental piece 2.
  • the position-fix-for-rotating-angle-direction means 7 has a position fixing pin-hole 7a on the side 2b of traverse drum segmental piece 2, and a position fixing pin 7b on the other side 2c of said traverse drum segmental piece 2 as shown in Figures 1 and 2A.
  • the traverse drum segmental pieces 2 are threaded with the drum holder 4 in accordance with the arrangement order by the axial-direction-arrangement-order means 6, and are assembled in accordance with the rotating angle direction provided ahead by inserting the position fixing pin 7b into the position fixing pin-hole 7a which compose the position-fix-for-rotating-angle-direction means 7.
  • This procedure constructs the traverse drum 1 which includes a string of traverse grooves G on the drum surface.
  • FIG. 1 An embodiment of the assemble structure of the traverse drum 1 with the traverse drum segmental pieces 2 will now be explained with reference to Figure 1.
  • a plurality of said traverse drum segmental pieces 2 are threaded with the drum holder 4 like a skewer following the aforementioned procedure.
  • a screw thread 8 is provided on the surface of the end 4a of the drum holder 4.
  • a clamping nut 9 is prepared with a threaded bore 10 that fits snuggly to the screw thread 8 on the drum holder 4.
  • a plurality of the traverse drum segmental pieces 2 are secured to the drum holder 4 by tightening the clamping nut 9.
  • the above-mentioned clamping nut 9 has three threaded bores 11 to secure a drive flange 12 with a screw 13.
  • a reference numeral 14 designates holes for clamping. Wrenches are put in the clamping holes 14 and the clamping nut 9 is turned and tightened to the screw thread 8 of the drum holder 4.
  • the drive flange 12 is mounted in fixation to the end 15a of a drive shaft 15.
  • a drum pulley 16 is installed to the other end 15b of the drive shaft 15.
  • the drum pulley 16 is gear-connected to a drive source M through a drum belt 17.
  • the bearing means is provided with bearings 18, 19 for the rotation support between the drum holder 4 and the drive shaft 15.
  • the embodiment shows a longitudinally divided type traverse drum 31 assembled from a plurality of traverse drum segmental pieces 32 divided in lengthways.
  • Each of the traverse drum segmental pieces 32 composing the longitudinally divided type traverse drum 31 includes a section 33 forming a part of a traverse groove on its surface 32a. Through the assemble described after, they compose the traverse grooves G drawing caterpillar tread.
  • the aforementioned traverse drum segmental pieces 32 of the present invention are divided in lengthways. As illustrated in the embodiment of Figure 4, the traverse drum 31 comprises an aggregation of eight traverse drum segmental pieces 32. Each of the traverse drum segmental pieces 32 is molded through the injection molding in accordance with the pattern designed in advance. The injection molding is the same as the aforementioned embodiment.
  • the above-mentioned traverse drum segmental pieces 32 of the present invention are divided longitudinally and constructed surrounding a drum holder to be assembled into a traverse drum. Moreover, the traverse drum segmental pieces 32 have rotating-angle-direction-arrangement-order means 34 providing the arrangement order of rotating angle direction for the case of the above-mentioned assemble.
  • the rotating-angle-direction-arrangement-order means 34 comprises a position fixing pin-hole 34a on one side 32b of the traverse drum segmental piece 32 and a position fixing pin 34b on the other side 32c on the traverse drum segmental piece 32, or comprises numerals 1 through 8 designating the arrangement order of rotating angle direction in accordance with the pattern designed in advance.
  • FIG. 4 there is shown an embodiment of assemble structure of the traverse drum 31 comprising a plurality of the traverse drum segmental pieces 32. It is quite evident from this drawing that this embodiment requires to tighten the traverse drum segmental pieces 32 with a clamping means 35 after assembling a plurality of said traverse drum segmental pieces 32 into the traverse drum 31.
  • the traverse drum of the present invention has the aforementioned structure.
  • the traverse drum comprises a plurality of the traverse drum segmental pieces, each of which has a section forming a part of the traverse groove on its drum surface.
  • a plurality of said traverse drum segmental pieces are easy to mold, are formed to conform to the injection molding providing high dimensional accuracy, and have the high dimensional accuracy although without groove processing or finishing processing.

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)
  • Winding Filamentary Materials (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
EP01110583A 2000-06-19 2001-04-30 Cylindre de va-et-vient et procédé pour sa fabrication Withdrawn EP1167264A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000182457A JP2002003080A (ja) 2000-06-19 2000-06-19 綾振りドラム及びその製造方法
JP2000182457 2000-06-19

Publications (2)

Publication Number Publication Date
EP1167264A2 true EP1167264A2 (fr) 2002-01-02
EP1167264A3 EP1167264A3 (fr) 2003-01-02

Family

ID=18683208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01110583A Withdrawn EP1167264A3 (fr) 2000-06-19 2001-04-30 Cylindre de va-et-vient et procédé pour sa fabrication

Country Status (2)

Country Link
EP (1) EP1167264A3 (fr)
JP (1) JP2002003080A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102758840A (zh) * 2012-07-31 2012-10-31 无锡市第二轴承有限公司 化纤卷绕机专用轴承
CN103662971A (zh) * 2012-09-26 2014-03-26 二明精机株式会社 横动卷筒、纱线卷绕装置及横动卷筒的制造方法
CN113023489A (zh) * 2021-02-26 2021-06-25 许冬琴 一种槽筒式松式络筒机

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014080287A (ja) * 2012-09-26 2014-05-08 Nimei Seiki Co Ltd 綾振りドラム及び糸巻取装置
JP2014080290A (ja) 2012-09-26 2014-05-08 Nimei Seiki Co Ltd 綾振りドラム、糸巻取装置、及び綾振りドラムの製造方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2184723A (en) * 1938-02-24 1939-12-26 Universal Winding Co Traversing roll for winding and like machines
US2370923A (en) * 1942-03-23 1945-03-06 Schaerer Maschf Thread traverse drum, particularly for winding machines
DE837819C (de) * 1951-02-27 1952-05-02 Reiners Walter Dr Ing Verfahren zum Verbinden der einzelnen Teile mehrteiliger Fadenfuehrungstrommeln
DE1560561A1 (de) * 1965-02-12 1970-10-29 Reiners Walter Dr Ing Fadenfuehrerantriebstrommel fuer Spulmaschinen
US3718288A (en) * 1971-03-31 1973-02-27 Du Pont Yarn package
US3784120A (en) * 1972-12-26 1974-01-08 Universal Machine Co Inc Split drive roll and method of forming same
JPS5863660A (ja) * 1981-10-07 1983-04-15 Mino Seisakusho:Kk 糸捲機の溝付綾振りドラム
DE19936646A1 (de) * 1998-08-08 2000-02-10 Rieter Ingolstadt Spinnerei Kehrgewindewelle zum Verlegen eines Fadens entlang einer Spule

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2184723A (en) * 1938-02-24 1939-12-26 Universal Winding Co Traversing roll for winding and like machines
US2370923A (en) * 1942-03-23 1945-03-06 Schaerer Maschf Thread traverse drum, particularly for winding machines
DE837819C (de) * 1951-02-27 1952-05-02 Reiners Walter Dr Ing Verfahren zum Verbinden der einzelnen Teile mehrteiliger Fadenfuehrungstrommeln
DE1560561A1 (de) * 1965-02-12 1970-10-29 Reiners Walter Dr Ing Fadenfuehrerantriebstrommel fuer Spulmaschinen
US3718288A (en) * 1971-03-31 1973-02-27 Du Pont Yarn package
US3784120A (en) * 1972-12-26 1974-01-08 Universal Machine Co Inc Split drive roll and method of forming same
JPS5863660A (ja) * 1981-10-07 1983-04-15 Mino Seisakusho:Kk 糸捲機の溝付綾振りドラム
DE19936646A1 (de) * 1998-08-08 2000-02-10 Rieter Ingolstadt Spinnerei Kehrgewindewelle zum Verlegen eines Fadens entlang einer Spule

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 157 (M-227), 9 July 1983 (1983-07-09) & JP 58 063660 A (MINO SEISAKUSHO:KK), 15 April 1983 (1983-04-15) *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102758840A (zh) * 2012-07-31 2012-10-31 无锡市第二轴承有限公司 化纤卷绕机专用轴承
CN103662971A (zh) * 2012-09-26 2014-03-26 二明精机株式会社 横动卷筒、纱线卷绕装置及横动卷筒的制造方法
CN103662971B (zh) * 2012-09-26 2018-07-10 二明精机株式会社 横动卷筒、纱线卷绕装置及横动卷筒的制造方法
CN113023489A (zh) * 2021-02-26 2021-06-25 许冬琴 一种槽筒式松式络筒机
CN113023489B (zh) * 2021-02-26 2022-10-21 中山辰元纺织科技有限公司 一种槽筒式松式络筒机

Also Published As

Publication number Publication date
JP2002003080A (ja) 2002-01-09
EP1167264A3 (fr) 2003-01-02

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