EP2004894B1 - Düsenwebmaschine - Google Patents

Düsenwebmaschine Download PDF

Info

Publication number
EP2004894B1
EP2004894B1 EP07700108A EP07700108A EP2004894B1 EP 2004894 B1 EP2004894 B1 EP 2004894B1 EP 07700108 A EP07700108 A EP 07700108A EP 07700108 A EP07700108 A EP 07700108A EP 2004894 B1 EP2004894 B1 EP 2004894B1
Authority
EP
European Patent Office
Prior art keywords
sub
switching elements
jet
main
weaving machine
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.)
Not-in-force
Application number
EP07700108A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2004894A1 (de
Inventor
Marcel Schluessel
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 EP2004894A1 publication Critical patent/EP2004894A1/de
Application granted granted Critical
Publication of EP2004894B1 publication Critical patent/EP2004894B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D47/00—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms
    • D03D47/28—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed
    • D03D47/30—Looms in which bulk supply of weft does not pass through shed, e.g. shuttleless looms, gripper shuttle looms, dummy shuttle looms wherein the weft itself is projected into the shed by gas jet
    • D03D47/3026—Air supply systems
    • D03D47/3053—Arrangements or lay out of air supply systems

Definitions

  • the invention relates to a jet loom, in particular an air jet loom with one or more weft insertion systems, consisting according to the preamble of claim 1.
  • a jet loom of the type mentioned is from the DE 101 24 290 C1 known.
  • This document proposes, from 1 to n main blowing nozzles and optionally tandem main blowing nozzles, and 1 to n auxiliary blowing or relay nozzles, from a weft insertion channel integrated in a reed, with a measurement and a control system via a 3/2-way servo valve, the main blowing nozzles or to apply the main blowing nozzles and the tandem main blowing nozzles.
  • This concept is essentially based on a fixed blowing pressure, namely 2.5 bar or 5 bar, which can still be varied in the control system.
  • a pressure control according to this concept on the one hand very complex and on the other hand - at least with an acceptable cost - only low pressure control bandwidth can be achieved.
  • the object of the invention is to provide an improved jet loom, which overcomes the disadvantages of the prior art described above.
  • the object is achieved in the aforementioned jet loom by the characterizing features of claim 1.
  • the measures of the invention initially have the consequence that with four sub-switching elements 15 different Blasmassenstromlus can be switched.
  • sub-switching elements are particularly advantageous for a small number of sub-switching elements - as defined in claim 4 - when the sub-switching elements each provide a different Blasmassenstrom available.
  • the sub-switching elements advantageously have a valve, preferably a 2-2 valve.
  • a valve preferably a 2-2 valve.
  • an additional throttle means is advantageous.
  • the determination of the control of the sub-switching elements is then advantageously carried out according to claim 7 by a control or regulating device with a switching logic table means and / or a calculation means for automatic control. If a control is provided, it is advantageous if means for comparing the firing time and / or the angle of arrival are used, wherein the control or regulating device is arranged so that the firing time control can be performed by an optional switching on or off of sub-switching elements.
  • FIG. 1 the schematic structure of the nozzles of the weft insertion device of an air jet loom is shown.
  • a feed 2 supplies both the main and acceleration nozzle block 4, as well as the relay nozzle block 6 and the drafting nozzle block 8.
  • the respective nozzle blocks each comprise main switching elements H 1 -H n for the main nozzles, relay switching elements S 1 -S m for the relay nozzles 21, 22, 23 and 30 and stretching elements D 1 and D 2 for the drafting nozzles 31 and 32.
  • main switching elements H 1 -H n for the main nozzles
  • relay switching elements S 1 -S m for the relay nozzles 21, 22, 23 and 30
  • stretching elements D 1 and D 2 for the drafting nozzles 31 and 32.
  • the main switching elements H 1 -H n are the input side to the feed 2 and the output side to the corresponding nozzles 12 to 20 -anis.
  • the main switching elements H 1 -H n each comprise 9 sub-switching elements T 1 to T 9 , each comprising a 2-2 valve 33 and additionally throttle means 34 1 to 34 9 include. With the resulting air streams output side, the respective nozzle is acted upon.
  • one main function consists of 4 sub-switching elements each.
  • a main switching element consisting of a variety of tell-tale air flow control functions can be used to power multiple main consumers such as main nozzles, relay nozzles and draft nozzles. The main consumers are then switched on or off with a valve.
  • the sub-switching elements have in the embodiment 2-2 valves 33, but alternatively, 2-3 valves can be used.
  • the valves 33 are controlled on the basis of a logic table in which the different switching states are defined.
  • the table is electronically stored in the machine control or - alternatively - calculated by a corresponding program in operation. Thus a simple, for example, percentage air quantity selection by the operator is possible.
  • the flight time is controlled in conjunction with the described air quantity control.
  • the main switching element H 1 of FIG. 1 consists of 9 individually controllable 2-2 way valves 33 according to the table according to the FIG. 2 corresponding to the sub-switching elements T 1 to T 9 with 100 NI standard flow, wherein the sub-switching element T 1 is throttled to 50 NI, the sub-switching element T 2 to 75 NI.
  • the other 7 sub-switching elements T 3 to T 9 are unthrottled.
  • standard air flow rates of 50 NI to 825 NI can be controlled in 25 NI steps on the main switching element H 1 with a total of 32 switching states.
  • the throttle ratios are set with throttle means 34 1 to 34 9 .
  • the throttle means 34 1 to 34 9 are realized in the illustrated embodiment by throttle plates. In the embodiment described here, the throttle means 34 1 to 34 9 are not activated. Alternatively, finer degrees of throttling can be achieved, for example reduction 100% 99% 98% 96% 92% 88% 82% 75% 70% total reduction from 900 NI to 800 NL Total 2 9 - 1 variants, total 511 flow settings.
  • the volume flow per group can be individually controlled. It is possible to pressurize the first group of groups with a lower volume flow. Optimal staff settings and the definition of how many pressure levels are reasonable and 5 tradable, the expert will specify in the experiment. Decisive criteria are flight safety and air consumption
  • the operator has the option of entering the air volume in percent per nozzle with a +/- key and changing it during operation.
  • the operator can preselect the thread flight time (choice of flight table) or the operator can specify the thread quality (automatic choice of the optimal speed, shooting table and air quantity).
  • the control of the relay nozzles takes place via the selected firing time and the preselected air volume.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Looms (AREA)
  • Disintegrating Or Milling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP07700108A 2006-03-21 2007-01-09 Düsenwebmaschine Not-in-force EP2004894B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4362006 2006-03-21
PCT/CH2007/000010 WO2007107019A1 (de) 2006-03-21 2007-01-09 Düsenwebmaschine

Publications (2)

Publication Number Publication Date
EP2004894A1 EP2004894A1 (de) 2008-12-24
EP2004894B1 true EP2004894B1 (de) 2009-12-23

Family

ID=36687998

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07700108A Not-in-force EP2004894B1 (de) 2006-03-21 2007-01-09 Düsenwebmaschine

Country Status (8)

Country Link
EP (1) EP2004894B1 (pt)
CN (1) CN101405445B (pt)
AT (1) ATE453003T1 (pt)
BR (1) BRPI0708961A2 (pt)
DE (1) DE502007002417D1 (pt)
ES (1) ES2334720T3 (pt)
TW (1) TWI367270B (pt)
WO (1) WO2007107019A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102618996B (zh) * 2012-04-20 2014-08-27 山东日发纺织机械有限公司 一种喷气织机异种纱支拉伸喷控制装置
DE102012208158B3 (de) * 2012-05-15 2013-09-05 Lindauer Dornier Gmbh Luftdüsenwebmaschine mit einer Vorrichtung zur Druckluftversorgung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3300934A1 (de) * 1982-01-18 1983-07-21 Rueti Te Strake Bv Verfahren zum eintragen verschiedener schussfaeden von unterschiedlicher garnbeschaffenheit in das webfach einer duesenwebmaschine und duesenwebmaschine zum durchfuehren des verfahrens
IT1201202B (it) * 1987-01-26 1989-01-27 Omv Off Mecc Vilminore Dispositivo di autoregolazione di alimentazione di filati di trama in telai di tessitura ad aria
DE4012616A1 (de) * 1990-04-20 1991-10-24 Dornier Gmbh Lindauer Verfahren zur steuerung des schussfadeneintrages an luftduesenwebmaschinen
JP2894465B2 (ja) * 1992-04-07 1999-05-24 孝司 吉田 二連ノズル式エァジェットルームにおける噴射方法とシステム
CN1046975C (zh) * 1994-09-16 1999-12-01 皮克诺尔公司 带有节流阀的喷气织机
DE10124290C1 (de) * 2001-05-17 2003-01-23 Dornier Gmbh Lindauer Düsenwebmaschine, insbesondere Lüftdüsenwebmaschnine mit einem Schussfadeneintragsystem

Also Published As

Publication number Publication date
CN101405445A (zh) 2009-04-08
BRPI0708961A2 (pt) 2011-06-28
CN101405445B (zh) 2010-12-01
TWI367270B (en) 2012-07-01
DE502007002417D1 (de) 2010-02-04
WO2007107019A1 (de) 2007-09-27
EP2004894A1 (de) 2008-12-24
TW200736431A (en) 2007-10-01
ES2334720T3 (es) 2010-03-15
ATE453003T1 (de) 2010-01-15

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