EP0549749B1 - Verfahren und schneidvorrichtung zum schneiden einer textilbahn - Google Patents

Verfahren und schneidvorrichtung zum schneiden einer textilbahn Download PDF

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Publication number
EP0549749B1
EP0549749B1 EP92912890A EP92912890A EP0549749B1 EP 0549749 B1 EP0549749 B1 EP 0549749B1 EP 92912890 A EP92912890 A EP 92912890A EP 92912890 A EP92912890 A EP 92912890A EP 0549749 B1 EP0549749 B1 EP 0549749B1
Authority
EP
European Patent Office
Prior art keywords
cutting
feeler
cloth run
cutting device
cloth
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
EP92912890A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0549749A1 (de
Inventor
Francisco Speich
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.)
Textilma AG
Original Assignee
Textilma AG
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 Textilma AG filed Critical Textilma AG
Publication of EP0549749A1 publication Critical patent/EP0549749A1/de
Application granted granted Critical
Publication of EP0549749B1 publication Critical patent/EP0549749B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/0006—Means for guiding the cutter
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/04—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/04—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally
    • D06H7/045—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials longitudinally in line with an embossed or a raised pattern on the fabric; Cutting pile fabric along a loopless or napless zone
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
    • D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
    • D06H7/22—Severing by heat or by chemical agents

Definitions

  • the invention relates to a method for cutting through a textile web according to the preamble of claim 1 and a cutting device for carrying out the method according to the preamble of claim 8.
  • a method and a cutting device of the type mentioned are known several times, for example from GB-PS 1 335 477.
  • the textile web described is provided on the cutting lines with a marking profile which is designed as a thinning of the fabric.
  • the cutting device has cutting disks which are displaceably arranged on a drive shaft and are preceded by tactile shoes which scan the marking profiles.
  • the feeler shoes are coupled to the cutting disks via brackets in such a way that when the feeler shoes are laterally displaced, the corresponding cutting disk is also laterally displaced and thus there is an alignment along the marking profile.
  • the disadvantage here is that the already thin tissue at the cut lines can only have a slight change in shape in the form of the thinning, so that there is always the risk that the tactile shoes can leave the marking profile laterally, as a result of which the cut no longer along the marking profile and thus takes place along the cutting line. Emigration of the feeler shoe and thus the cutting disk is further facilitated by the fact that a relatively large amount of force is required for laterally displacing the cutter disk, whereas the lateral forces acting on the feeler shoes are only slight when the position of the marking profile changes. Precise cutting is difficult with this device.
  • the CH-PS 392 415 describes a device for the longitudinal cutting of fabrics of the type mentioned, wherein a lateral extension of the cutting tool is prevented by twisting threads on both sides of the cut line on the fabric, between which the weft threads are exposed.
  • the cutting device now has a sensing gear wheel located in front of the cutting tool, the teeth of which point to engage between the twisted threads in the exposed weft threads.
  • the feeler gear can be moved along a fixed axis serving as a carrier and is connected to a knife holder of the cutting device. When the cutting line migrates, the feeler gear, which engages between the twist threads, is also shifted laterally, and thus also the cutting tool.
  • the fabric between the twist threads can practically only have exposed weft threads in order to enable the engagement of the feeler gear.
  • the cutting device and the type of guidance of the cutting device can therefore only be used to a limited extent and is unsuitable, in particular, for textile webs which are cut thermally, since sufficient thermal strengthening of the exposed weft threads is not possible during thermal cutting.
  • the fabric also requires relatively strong twist threads to guide the feeler gear, thereby adversely affecting the fabric image. In the case of a continuous fabric, the method and the cutting device cannot be used because they would damage the fabric.
  • the object of the invention is to design a method and a cutting device of the type mentioned at the outset in such a way that the disadvantages mentioned are avoided.
  • the present method and the present cutting device safe cutting of a textile web along cutting lines can be achieved. This is achieved with the simplest of means and without damaging the textile web.
  • the method and the cutting device are also particularly suitable for textile webs which consist of thermoplastic threads and are cut by means of a hot cutting wire, are tied and fixed by cutting the threads during the cutting process.
  • a lateral extension of the feeler device when changing the course of the cutting line and thus the marking profile is excluded, because the tongue is securely guided in the hollow marking profile.
  • the feeler tongue also generates the transverse forces required to adjust the cutting head, so that the optimal guidance and the optimal cutting of the textile web are also guaranteed.
  • the feeler device enables the cutting head of the cutting device to be moved laterally across the textile web.
  • a method according to claim 3 is particularly simple, as a result of which lower forces are required to control the cutting tool.
  • the cutting process can be carried out in terms of time and space independently of the manufacture of the textile web and the consequent attachment of the hollow marked profile.
  • an embodiment according to claim 4 is particularly advantageous according to which the cutting of the textile web takes place in the course of the production of the textile web.
  • the textile web will act or preferably weave.
  • the method is particularly suitable for textile webs made of thermoplastic material, which can be cut by means of a heated cutting wire.
  • the method is particularly suitable for cutting a textile web into tapes, preferably patterned label tapes.
  • the cutting head can be pivotally connected to the carrier, as a result of which relatively low lateral forces are required to guide the cutting tool along a cutting line.
  • the design of the cutting device according to claim 10 enables a greater lateral movement of the cutting head along the carrier than is possible with the configuration according to claim 9.
  • Claim 11 describes a particularly simple and effective embodiment of the cutting device, since in particular thermoplastic textile webs can be cut and the cut edges can be fixed.
  • the cutting device can be used in terms of space and time regardless of the manufacture of the textile web.
  • the use of the cutting device according to claim 12 on a weaving or knitting machine is particularly preferred. It is particularly expedient if the cutting device is preceded by a thermofixing device.
  • FIG. 1 shows a schematic representation of the production of tapes 2, 2a, 2b, 2c by cutting a wide textile web 4.
  • it is a woven textile web made of synthetic, thermoplastic threads, the structure of which is shown in more detail in FIGS. 2 to 4 is shown.
  • the textile web 4 consists of warp threads 6 and integrated weft threads 8, the manufacture being such that hollow marking profiles 12, 12a, 12b, 12c, 12d are formed along cutting lines 10, 10a, 10b, 10c, 10d, which are used to guide one Touch tongue 14 of the cutting tools 18, 18a, 18b, 18c, 18d serve a cutting device 16.
  • the cutting tools consist, for example, of heated cutting wires which cut the textile web 4 along the cutting lines 10, 10a, 10b, 10c, 10d, so that the individual strips 2, 2a, 2b, 2c, 2d are separated from one another by cutting lanes 20.
  • the woven textile web 4 can be designed, for example, according to FIG. 2, warp threads 6 being held together by weft threads 8 and forming a base fabric 22.
  • the hollow marking profile is formed, for example, in the form of a hollow fabric 12 by means of weft threads 24 and warp threads 26 running on the rear side of the base fabric 22.
  • the hollow marking profile 12 serves to guide the feeler tongue 14 of the cutting head 28 of the cutting device 16, so that the cutting tool 18 is always guided exactly along the cutting line 10.
  • the cutting device 16 has a cutting head 28 for each cutting line 10, which carries a cutting tool 18 in the form of a heated cutting wire on each of the support arms 30, 32.
  • the cutting head 28 is fastened via a joint 34 to a holder 36, which in turn is fastened to a carrier 38 which overlaps the textile web 4 or the belts 2.
  • the cutting head can thus perform a transverse movement transverse to the cutting lines.
  • the cutting head 28 also contains a feeler device which is formed by the tongue 14, which is guided in the hollow marking profile 12, so that the cutting head 28 or the cutting tool 18 can adapt to the course of the hollow marking profile 12.
  • the cutting head 28 follows the cutting line 10 with great accuracy by the engagement of the tongue 14 in the hollow marking profile 12.
  • the cutting tool 18 cuts the textile web 4 into individual strips by fusion cutting 2,2a, 2b, 2c.
  • each band contains cut surfaces 40 made of molten web material, the melt 42 solidifying the cut bands 2, 2 a against fraying.
  • the textile web 4 is cut in the course of the production of the woven textile web.
  • the system contains a weaving area 44 with warp threads 6 guided on strands 46, which form an alternating shed 48, into which the weft thread 8 is inserted and struck on a selvedge 52 by means of a reed 50.
  • the control of the weaving machine is selected in a known manner so that the aforementioned hollow marking profiles are created in the textile web along the intended cutting lines.
  • a fabric hold-down device 54 is used to guide the woven textile web 4 to the above-mentioned cutting device, on which the textile web 4 is cut into the strips 2, which are pulled off by a goods take-off device 56 and fed to a goods tree (not shown).
  • the goods take-off device 56 contains a first deflecting roller 58, a take-off roller 60 and further deflecting rollers 62, 64. It is also equipped with a heat setting device 66. The latter contains a shoe 70 which is heated by means of a heater 68 and which bears against the cut strips 2.
  • FIGS. 8, 9 and 10 show different cutting heads of further cutting devices which can be guided along a hollow marking profile in a manner not shown, analogous to the cutting device 16 of FIGS. 6 and 7, by means of a tongue.
  • the cutting heads can also be pivoted and / or displaceably arranged on a carrier that crosses the textile web in a manner that is also not shown.
  • FIG. 8 shows the cutting head 130 of a mechanical cutting device with a scissor blade 134 fixed on a holder 132.
  • a pivotable scissor blade 138 is mounted on an axis 136 of the holder 132 and is connected via a coupling member 140 to a driven eccentric 142 in order to drive it Cut textile web 4.
  • the cutting head 144 of a thermal cutting device of FIG. 9 works with a hot medium 146, which is fed to a nozzle 150 via a line 148. This blows the hot medium 146 under high pressure through the textile web 4, which consists of thermoplastic material, so that the latter melts.
  • a collecting funnel 154 serves to collect the hot medium flow and melted textile material and is provided with a corresponding discharge line 156.
  • FIG. 10 finally shows the cutting head 158 of a cutting device which contains a vibrator 160 arranged on a carrier 159 above the textile web 4, which generates vibrations in the ultrasound range and transmits these via a cutting plunger 162 to the textile web 4, which is guided over a deflection roller 166 . Due to the high vibration of 20-40 kHz, the textile web made of thermoplastic material is heated to such an extent that it melts and is thereby cut.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Details Of Cutting Devices (AREA)
EP92912890A 1991-07-18 1992-06-30 Verfahren und schneidvorrichtung zum schneiden einer textilbahn Expired - Lifetime EP0549749B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2142/91 1991-07-18
CH214291 1991-07-18
PCT/CH1992/000130 WO1993001920A1 (de) 1991-07-18 1992-06-30 Verfahren und schneidvorrichtung zum schneiden einer textilbahn

Publications (2)

Publication Number Publication Date
EP0549749A1 EP0549749A1 (de) 1993-07-07
EP0549749B1 true EP0549749B1 (de) 1995-11-08

Family

ID=4226858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92912890A Expired - Lifetime EP0549749B1 (de) 1991-07-18 1992-06-30 Verfahren und schneidvorrichtung zum schneiden einer textilbahn

Country Status (6)

Country Link
EP (1) EP0549749B1 (enrdf_load_stackoverflow)
JP (1) JP3268598B2 (enrdf_load_stackoverflow)
DE (1) DE59204261D1 (enrdf_load_stackoverflow)
ES (1) ES2079871T3 (enrdf_load_stackoverflow)
TW (1) TW205076B (enrdf_load_stackoverflow)
WO (1) WO1993001920A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101087914B (zh) * 2005-09-15 2010-08-04 泰克斯蒂尔玛股份公司 生产基布的方法，尤其是生产具有立绒边缘的带织物及执行该方法的装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5433364A (en) * 1993-02-19 1995-07-18 Dynetics Engineering Corporation Card package production system with burster and carrier verification apparatus
ATE344719T1 (de) * 2004-05-06 2006-11-15 Loepfe Ag Geb Thermische trennschere mit keramischer halterung
EP3722471A1 (de) * 2019-04-10 2020-10-14 Textilma AG Verfahren zum herstellen von kaltgeschnittenen gewebebahnen
EP4092174A1 (de) 2021-05-21 2022-11-23 Jacob Müller AG Frick Webmaschine zum herstellen von formgeschnittenen gewebebahnen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE672310A (enrdf_load_stackoverflow) *
US2035138A (en) * 1933-02-20 1936-03-24 Fritz F Kloeckener Machine for producting narrow strip fabric from broadloom fabric
US2673577A (en) * 1953-01-12 1954-03-30 Bates Mfg Co Method and apparatus for forming apertured fabric
CH392415A (de) * 1961-05-10 1965-05-15 Rueti Ag Maschf Vorrichtung zum Längsschneiden von Geweben auf Textilmaschinen
GB1307930A (en) * 1970-01-26 1973-02-21 Olin Corp Sheet metal and process of and apparatus for slitting the sheet metal
GB1335477A (en) * 1972-09-29 1973-10-31 Creban Mfg Co Ltd Slitting of webs
FR2576612B1 (fr) * 1985-01-29 1987-03-20 Nicolan Pascal Machine pour le decoupage de bandes de tissu garnies d'un motif en relief
DE3815395A1 (de) * 1987-09-21 1989-03-30 Textilma Ag Webmaschine
DE3937947A1 (de) * 1989-11-15 1991-05-16 Vaupel Textilmasch Verfahren und vorrichtung zur herstellung eines durch figurschuesse gemusterten textilen bandes, insbesondere eines etikettbandes, aus einer breitbahn mit schmelzfaehigem fadenwerkstoff

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101087914B (zh) * 2005-09-15 2010-08-04 泰克斯蒂尔玛股份公司 生产基布的方法，尤其是生产具有立绒边缘的带织物及执行该方法的装置

Also Published As

Publication number Publication date
JP3268598B2 (ja) 2002-03-25
TW205076B (enrdf_load_stackoverflow) 1993-05-01
WO1993001920A1 (de) 1993-02-04
EP0549749A1 (de) 1993-07-07
ES2079871T3 (es) 1996-01-16
JPH06501430A (ja) 1994-02-17
DE59204261D1 (de) 1995-12-14

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