EP0784110B1 - Draw texturing machine with heater - Google Patents

Draw texturing machine with heater Download PDF

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Publication number
EP0784110B1
EP0784110B1 EP96118063A EP96118063A EP0784110B1 EP 0784110 B1 EP0784110 B1 EP 0784110B1 EP 96118063 A EP96118063 A EP 96118063A EP 96118063 A EP96118063 A EP 96118063A EP 0784110 B1 EP0784110 B1 EP 0784110B1
Authority
EP
European Patent Office
Prior art keywords
yarn
heater
texturing machine
draw texturing
heater according
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.)
Expired - Lifetime
Application number
EP96118063A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0784110A2 (en
EP0784110A3 (en
Inventor
Shoichi Tone
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 EP0784110A2 publication Critical patent/EP0784110A2/en
Publication of EP0784110A3 publication Critical patent/EP0784110A3/en
Application granted granted Critical
Publication of EP0784110B1 publication Critical patent/EP0784110B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
    • D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
    • D02G1/0266—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting false-twisting machines
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J13/00—Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass

Definitions

  • the present invention relates to a first heater for a draw texturing machine that applies heat by a first heater to a draw textured/false twisted yarn pulled from the supply package and winds the yarn on a package via an oiling member after cooling by a cooling plate (which also restricts ballooning of the yarn and is thus sometimes known as a "Balloon Plate”) and reduction in torque by heating the yarn by a second heater.
  • a first heater for a draw texturing machine that applies heat by a first heater to a draw textured/false twisted yarn pulled from the supply package and winds the yarn on a package via an oiling member after cooling by a cooling plate (which also restricts ballooning of the yarn and is thus sometimes known as a "Balloon Plate”) and reduction in torque by heating the yarn by a second heater.
  • a first aspect of the present invention is a draw texture machine which winds the yarn pulled from a supply package onto a winding package after a false twisting process has been completed by the yarn passing through a first heater, a cooling plate and a false twist member, and which is arranged with a yarn guide that guides a plurality of yarns in one heating space of a non-contact type first heater.
  • a second aspect of the present invention is that the aforementioned heating space is formed as a taper shape narrowing toward the yarn insertion opening.
  • a third aspect of the present invention is positioning of a yarn guide block having a plurality of guide grooves corresponding to the aforementioned yarn guides in the entrance and exit sides of the first heater.
  • a fourth aspect of the present invention is that the plurality of yarns guided by a single yarn guide are doubled.
  • Figure 1 is a summarised side view of the draw texturing machine showing one example of the application of the first heater of the present invention.
  • Figure 2 is a vertical section along the center line of the slit of the first heater of the present invention.
  • Figure 3 is a vertical section along the line III-III of Figure 1 of the first heater of the present invention.
  • Figure 4 is a front view of the yarn entrance side of the first heater of the present invention.
  • Figure 5 is a vertical section along the line III-III of Figure 1 of another embodiment of the first heater of the present invention.
  • Figure 6 is section of the main parts along the line III-III of Figure 1 of yet another embodiment of the first heater of the present invention.
  • (1) is a creel stand.
  • a yarn (3) pulled from a number of supply packages (2) supported on the creel stand (1) is guided to a first feed roller (5) via a suitable guide (4).
  • the yarn (3) is inserted in a first heater (H1) while being guided by suitable guides (6,7) positioned on the yarn entrance side of the first heater (H1).
  • the yarn (3) that exits from the first heater (H1) enters a cooling plate (8), is then imparted with a twist by a false twist member (9) and afterwards is guided to a second feed roller (11) via a suitable guide (10).
  • the yarn (3) that exits from the second feed roller (11) is wound onto a winding package (16) via a second heater (H2), a guide (12), a third feed roller (13), an oiling roller (not shown in the drawing) and guides (14,15).
  • the (17) is a sheath heater made of a metal such as brass or the like with good heat conductance and positioned inside a roughly prism shaped heater block (18) .
  • the vertical cross section of the heater block (18) is rectangular long.
  • two sheath heaters (17) are arranged parallel to each other along the longitudinal direction inside the heater block (18).
  • (19) is a horizontal insulating part formed from a plate shaped insulating member positioned on the lower surface of the heater block (18).
  • (20) are side insulating parts comprising plate shaped insulating members extending upwards and positioned along both sides of the heater block (18) in the longitudinal direction.
  • (21) is a center insulating part comprising a plate shaped insulating member facing upwards from the center of the upper surface of the heater block (18) and positioned approximately parallel to the side insulating parts (20).
  • the height of both the upper surface (20a) of the side insulating parts (20) and the upper surface (21a) of the center insulating part (21) is approximately equal.
  • the heater block (18) incorporated in the sheath heater (17), and the horizontal insulating part (19), the side insulating parts (20) and the center insulating part (21) positioned around the heater block (18) together are assembled in an inner case (22) of which the cross section is U-shaped.
  • the peripheral insulating part (23) is a peripheral insulating part positioned so that it surrounds the horizontal insulating part (19) and the side insulating parts (20).
  • the peripheral insulating part (23) is contained within a suitable outer case (24).
  • the outer case (24) covers not only the upper surface (20a) of the side insulating parts (20) but also the upside of the side insulating parts (20) of the center insulating part (21) side.
  • (25) is a cover that covers the upper part of the center insulating part (21).
  • slit shaped heating space is arranged between the side insulating parts (20) and the center insulating part (21).
  • two slit shaped heating spaces are formed by the side insulating part (20) positioned on the left and the center insulating part (21), and the side insulating part (20) position on the right and the center insulating part (21).
  • both side walls (21b) of the longitudinal direction of the center insulating part (21) slant towards the side insulating parts (20) from around the middle to the upper surface (21a). Furthermore, the side wall (20b) in the longitudinal direction of the side insulating parts (20) positioned on the center insulating part (21) side also slants towards the center insulating part (21) from around the middle to the upper surface (20a). Accordingly, the vertical cross section of the heating space (26) formed between the side insulating parts (20) and the center insulating parts (21) forms a roughly trapezoid shape which tapers narrowing towards the yarn insertion opening (26a) of the heating space (26).
  • the yarn insertion opening (26a) is small and as a consequence, radiation of heat from the heating space (26) heated by the heater block (18) incorporated in the sheath heater (17) through the yarn insertion opening (26a) can be effectively suppressed.
  • the yarn guides (27) are guides positioned above the heater block (18) inside the heating space (26) with a suitable number being positioned at predetermined intervals along the longitudinal direction of the heating space (26). As shown in Figure 2, the yarn guides (27) are positioned above the heater block (18) along a curve and the further towards both ends of the heater block (18) from the central area of the heater block (18), the closer the positioning to the heater block (18).
  • the yarn guide (27) is composed of an approximate column shape of ceramic or the like with high anti-abrasion properties and is formed with two guide grooves (27a) at a predetermined spacing in the periphery on which two yarns (3) are guided respectively.
  • (27b) is a horizontal shaft formed on the side surface of the the yarn guide (27) and as that horizontal shaft (27b) is fitted into a hole bored into the side wall (20b) of the side insulating parts (20), a suitable number of guides (27) are positioned at predetermined spacing in the side insulating parts (20) as described above.
  • (28a) are a pair of slits corresponding to the heating spaces (26).
  • An approximately round window part (28b) having a width greater than the spacing of the two guide grooves (27a) of the yarn guide (27) is formed on the lower part of the slit (28a).
  • An expanded opening (28c) which is v-shaped and increases in size towards the upper end is formed at the top part of the slit (28a) for easy insertion of the yarn (3).
  • (28d) is a plate shaped yarn guide support member arranged on which is a pair of approximately square cup parts (28e) in a position corresponding to a pair of the window parts (28b) and moreover at outer side of the yarn introduction member (28).
  • a yarn guide block (28f) is arranged in the cup part (28e) and has two v-shaped guide grooves (28f') having a spacing aproximately the same as the spacing of the two guide grooves (27a) of the yarn guide (27) positioned in the heating space (26).
  • a peaked projection (28f") is arranged in the middle part of the connected two v-shaped guide grooves (28f').
  • the yarn guide support member (28d) is attached to the yarn introduction member (28) by a suitable attachment tool (29) such as a bolt or the like. Also, the yarn introduction member (28) to which the yarn guide support member (28d) is affixed is attached to the yarn entrance side and the yarn exit side of the first heater (H1) by a suitable attachment tool (30) such as a bolt or the like. It should be noted that the spacing of the two guide grooves (27a) arranged on the yarn guide (27) positioned in the heating space (26) and the spacing of the two guide grooves (28f') arranged on the guide block (28f) are formed so as to be wider than the width of the slit (28a).
  • Two yarns (3a,3b) are caught on a yarn threading member (not shown in the drawings) having a pair of guide grooves or yarn holes positioned apart by the same amount as the pair of the guide grooves (27a) arranged on the yarn guide (27) positioned in the aforementioned heating space (26), and the pair of the guide grooves (28f') arranged in the yarn guide block (28f) fitted onto the yarn guide support member (28d).
  • the yarns (3a,3b) caught on the yarn threading member are positioned inside the expanded opening (28c) of the yarn introduction member (28) as shown in Figure 4.
  • the yarns (3a,3b) proceed downwards while contacting each side of the slit (28a) and respectively enter into the two connected guide grooves (28f') situated either side of the projection (28f").
  • the spacing of the pair of guide grooves (28f') formed in the yarn guide block (28f) is approximately the same as the spacing of the pair of guide grooves (27a) formed in the yarn guide (27) arranged inside the heating space (26). Consequently, the yarns (3a,3b) in the guide grooves (28f') of the yarn guide block (28f) are able to enter the guide grooves (27a) formed in the yarn guide (27) without any alteration.
  • FIG. 5 Another embodiment of the first heater device (H1) of the present invention shown in Figure 5 has the heater block (18) formed as a horizontal rectangle shown in Figure 3 as a vertical rectangle and the pair of sheath heaters (17) are positioned vertically. As all other structures are the same as the embodiment shown in Figure 3, the details have been omitted. By positioning the heater block (18) vertically, the lateral width of the first heater (H1) can be reduced and the draw texturing machine can be made more compact.
  • Figure 6 shows yet another embodiment of the present invention.
  • the first heater (H1) of this embodiment positions the yarn guides (27) at a predetermined spacing along the longitudinal direction of the heating space (26) by the fitting of horizontal shafts (27b) formed in side surface of yarn guide (27) in holes bored in the side surface (21b) of the center insulating part (21) .
  • the details have been omitted.
  • the present invention inserts two yarns (3) into one heating space (26), the yarn processing efficiency in the heating space (26) is increased.
  • the yarn insertion opening (26a) is small and as a consequence, radiation of heat from the heating space (26) heated by the heater block (18) incorporated in the sheath heater (17) through the yarn insertion opening (26a) can be effectively suppressed.
  • the draw texturing machine can be made more compact and the operatability of the yarn threading operations are improved.
  • the present invention demonstrates the following advantages.
  • the yarn processing efficiency in the heating space is improved.
  • the yarn insertion opening is small and as a consequence,.radiation of heat from the heating space can be effectively suppressed.
  • the draw texturing machine can be made more compact and accordingly, operations such as yarn threading becomes simpler.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Guides For Winding Or Rewinding, Or Guides For Filamentary Materials (AREA)
  • Resistance Heating (AREA)
EP96118063A 1996-01-09 1996-11-11 Draw texturing machine with heater Expired - Lifetime EP0784110B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8018356A JP2991100B2 (ja) 1996-01-09 1996-01-09 延伸仮撚り機の第１ヒーター装置
JP18356/96 1996-01-09
JP1835696 1996-01-09

Publications (3)

Publication Number Publication Date
EP0784110A2 EP0784110A2 (en) 1997-07-16
EP0784110A3 EP0784110A3 (en) 1999-03-10
EP0784110B1 true EP0784110B1 (en) 2002-09-04

Family

ID=11969420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118063A Expired - Lifetime EP0784110B1 (en) 1996-01-09 1996-11-11 Draw texturing machine with heater

Country Status (7)

Country Link
EP (1) EP0784110B1 (ko)
JP (1) JP2991100B2 (ko)
KR (1) KR100278772B1 (ko)
CN (1) CN1109783C (ko)
DE (1) DE69623432T2 (ko)
HK (1) HK1003180A1 (ko)
TW (1) TW354338B (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4102934A1 (en) * 2021-06-09 2022-12-14 TMT Machinery, Inc. Heater and yarn processor

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3358511B2 (ja) * 1997-09-29 2002-12-24 村田機械株式会社 糸用加熱装置
DE50003017D1 (de) * 1999-05-29 2003-08-28 Barmag Barmer Maschf Heizeinrichtung
EP1526196A3 (en) * 2003-10-20 2006-07-19 Maschinenfabrik Rieter Ag A thread heating device
JP6535551B2 (ja) 2014-09-04 2019-06-26 Ｔｍｔマシナリー株式会社 仮撚加工機
CN105014903B (zh) * 2015-07-22 2017-03-29 浙江竟成特种单丝有限公司 一种单丝全自动生产线

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH562895A5 (ko) * 1972-11-15 1975-06-13 Dienes Honeywell Gmbh
US5138829A (en) * 1990-02-10 1992-08-18 Teijin Seiki Co., Ltd. Apparatus for heat treating a synthetic yarn

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4102934A1 (en) * 2021-06-09 2022-12-14 TMT Machinery, Inc. Heater and yarn processor

Also Published As

Publication number Publication date
CN1109783C (zh) 2003-05-28
EP0784110A2 (en) 1997-07-16
JPH09188926A (ja) 1997-07-22
DE69623432D1 (de) 2002-10-10
KR100278772B1 (ko) 2001-04-02
TW354338B (en) 1999-03-11
JP2991100B2 (ja) 1999-12-20
DE69623432T2 (de) 2003-04-24
EP0784110A3 (en) 1999-03-10
KR970059333A (ko) 1997-08-12
CN1161388A (zh) 1997-10-08
HK1003180A1 (en) 1998-10-16

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