EP0058227B2 - Rameuse pour bandes textiles - Google Patents

Rameuse pour bandes textiles Download PDF

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Publication number
EP0058227B2
EP0058227B2 EP81107818A EP81107818A EP0058227B2 EP 0058227 B2 EP0058227 B2 EP 0058227B2 EP 81107818 A EP81107818 A EP 81107818A EP 81107818 A EP81107818 A EP 81107818A EP 0058227 B2 EP0058227 B2 EP 0058227B2
Authority
EP
European Patent Office
Prior art keywords
roller
straightening
rollers
tensioning
web
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
EP81107818A
Other languages
German (de)
English (en)
Other versions
EP0058227A1 (fr
EP0058227B1 (fr
Inventor
Roland Dietz
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.)
Brueckner Trockentechnik GmbH and Co KG
Original Assignee
Brueckner Trockentechnik GmbH and Co KG
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Application filed by Brueckner Trockentechnik GmbH and Co KG filed Critical Brueckner Trockentechnik GmbH and Co KG
Publication of EP0058227A1 publication Critical patent/EP0058227A1/fr
Publication of EP0058227B1 publication Critical patent/EP0058227B1/fr
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    • 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
    • D06H3/00—Inspecting textile materials
    • D06H3/12—Detecting or automatically correcting errors in the position of weft threads in woven fabrics

Definitions

  • the invention relates to a tensioning machine according to the preamble of claim 1. If textile material webs are fed to a tensioning machine for the purpose of treatment, the material web given to the tensioning chains of the tensioning machine must be free of any distortions. For this purpose, it is known to arrange an alignment device in the area in front of the web inlet part of the tensioning machine (as is known, for example, from DE-A-1 906 801), in which various straightening rollers for the removal of longitudinal, curved and Diagonal warping of the web is provided. Devices of this type are very expensive and require a relatively large additional space in the area in front of the inlet part of the tensioning machine.
  • a feed roller is provided in the inlet part of a tensioning machine, which is divided in the axial direction into three roller parts which can be driven with variable speed.
  • this feed roller In front of this feed roller there are also some deflection rollers and two spreader rollers.
  • This training makes it possible to align diagonal and arch distortions of a textile web.
  • aligning larger curved and diagonal distortions difficulties can arise due to relatively large differential speeds (so-called crow's feet then appear in the web to be aligned).
  • further straightening devices must therefore be arranged in front of the inlet part of the known tensioning machine.
  • a tensioning machine according to the preamble of claim 1 is also known, in which a web alignment device is arranged in the web inlet part, the two diagonal straightening rollers, three Spreader rolls and a weft measuring device for the automatically operating diagonal straightening rolls.
  • the invention has for its object to provide a tensioner of the type required in the preamble of claim 1 so that it can be used in a relatively simple and space-saving design not only for woven webs, but especially for knitted webs and in both cases the insertion of fully aligned webs in the tension chains allowed.
  • the web edges are once in front of the sheet straightening roll and on the other hand after the diagonal straightening rolls, but before the weft thread
  • the measuring device is rolled out or smoothed, which means that even in the case of knitted webs, perfect straightening work is carried out over the entire width of the web and the perfectly spread or rolled out web is fed to the weft measuring device for the purpose of a correct measurement of the weft position.
  • Two calming rollers which are arranged in front of or behind the weft measuring device, serve to stabilize the spread web and enable an exact measurement of the weft thread position.
  • a tensioning machine 1 which is intended for any of the known types of treatment of textile webs 2, is only indicated very schematically.
  • the tensioning machine 1 contains a web entry part 3, a main treatment part 4 and a web exit part 5. While in the present case the special design of the web entry part 3 is concerned, the main treatment part 4 and the web exit part 5 can be designed in the usual way.
  • the web 2 passes through the tensioning machine 1 in the direction of the arrows 6.
  • a textile web 2 to be treated is fed in the web inlet part 3 of the tensioning machine 1 in a conventional manner (not shown here in more detail) to two endless revolving tension chains 7 which, as is generally known, perpendicular to the plane of the drawing of Fig. 1 lie one behind the other and take the web edge.
  • the tension chains can be designed in a known manner as needle chains or as chain clips. In the example of Fig. 1, the tension chains 7 run in vertical planes, i.e. the associated chain deflection wheels 7a rotate about horizontal axes.
  • the tensioning machine 1 contains in its inlet part 3 a feed roller 8 lying in front of the tensioning chains, as seen in the web transport direction (arrow 6), which is undivided along its length and is formed with an essentially cylindrical, rigid jacket.
  • a complete web alignment device 9 is arranged in the web inlet part 3.
  • This web alignment device 9 contains - viewed in the direction of the web transport (arrow 6) - a concave-convex adjustable sheet straightening roller 10, two diagonally straightening rollers 11, 12 which can be pivoted in opposite directions and a weft thread measuring device 13.
  • the web aligning device 9 - again viewed in the web transport direction (arrow 6) - contains a first one before the sheet straightening roller 10 Spreader roller 14 and a second spreader roller 15 between the two diagonal straightening rollers 11, 12 and the weft measuring device 13.
  • These two spreader rollers 14, 15 can be designed in a conventional manner, in particular for rolling out the web edge areas, whereby they can be driven opposite to the web transport direction (arrow 6) (see arrows 14a to 15a).
  • the weft measuring device 13 can essentially be formed by a number of conventional upper and lower measuring heads 16 and 17, between which the web 2 is passed. So that a precise measurement of the weft thread position can be carried out on the web 2 transported between the measuring heads 16 and 17, a calming roller 18, 19 is provided directly in front of or behind the weft measuring device 13 to stabilize the spread web. Both calming rollers 18, 19 have a cylindrical, smooth and preferably made of steel jacket.
  • the first calming roller 18 arranged directly in front of the weft measuring device 13 is arranged at a very short distance behind the second spreader roller 15, as can be clearly seen in FIG. 2, while the web 2 is separated from the second one lying behind the weft measuring device 13 Calming roller 19 runs directly onto the feed roller 8.
  • the concave-convex adjustable sheet straightening roller 10 can thus be changed in sections (preferably in its central sections) in diameter, as indicated by dash-dotted circles in FIG. 2, but it has an essentially cylindrical or slightly spherical basic shape in the case of undistorted web sections .
  • the two diagonal straightening rollers 11, 12 can - apart from their mutually parallel basic position - be pivoted in opposite directions, as is indicated in FIG. 2 by fully solid and dash-dotted lines and by double arrows 11a and 12a.
  • All of the above-mentioned rollers of the web inlet part 3 can be driven in a suitable manner from the outside by a drive device (not illustrated in more detail).
  • the feed roller 8 can - since it is assigned in vertical planes revolving tension chains 7 - be fixed.
  • the tensioning machine 1 is also assigned a conventional control device, not shown in the drawing, which is connected on the one hand to the three straightening rollers 10, 11, 12 and on the other hand to the weft thread measuring device 13 in terms of control.
  • the weft thread measuring device 13 checks the weft thread positions of the web 2 or the web sections passing through the device 13, and immediately after detection of any web delays, corresponding signals are forwarded to the control device, through which corresponding control signals are then sent to the necessary ones Straightening work responsible straightening rollers (10, 11 or 12) are forwarded so that the weft thread position can be corrected immediately.
  • FIG. 3 shows an example slightly modified compared to the previous embodiment.
  • device parts that correspond to similar device parts from FIG. 2 are designated by the same reference number with the addition of a dash, so that a repeated explanation of these similar device parts can largely be omitted.
  • the tensioning machine 1 'or the web entry part 3' according to FIG. 3 is above all an embodiment in which the tensioning chains rotate in horizontal planes in a manner known per se. With tension chains rotating in horizontal planes, it is necessary to change the entry level of the feed roller 8 'compared to the tension chains when in this tensioning machine 1' the webs 2 'can be picked up and transported either by needles of the tension chain or the clips of the tension chains. In FIG. 2, the webs 2 'can therefore be guided either in the higher level 20 for needles or in the lower level 21 for clips.
  • the feed roller 8 ' is adjustably mounted in its height, as shown in FIG. 3 by a double arrow 22 and is indicated by solid and dash-dotted lines for the feed roller 8 '.
  • the feed roller 8 ' can be supported with its end axes at the free ends of two arms 24 which can be pivoted about a common horizontal axis 25 (if necessary in an adjustable manner).
  • the two spreader rollers 14, 15 and 14 ', 15 ' are dispensed with, so that a fabric web 2 or 2' fed to the tensioning machine 1 or 1 'initially reaches the sheet straightening roller 10 or 10' directly; From the last diagonal straightening roller 11 or 11 'in the web transport direction, the web 2 or 2' then runs directly onto the first calming roller 18 or 18 '.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (5)

1. Machine à tendre des nappes de tissue textile (2, 2'), comprenant une section d'introduction de la nappe (3, 3'), une section de sortie de la nappe (5) et deux chaînes de tension (7) se déplaçant en circuit fermé sans fin, la section d'introduction (3, 3') incluant au-devant des chaînes de tension (7)
- par rapport au sens de transport de la nappe (6)
- un cylindre d'alimentation (8, 8') ainsi qu'un dispositif (9, 9') de dressage des étirages ou distorsions de la nappe de tissue, qui comprend deux cylindres (11, 12; 11', 12') de dressage des distorsions en diagonale qui sont orientables en sens opposés, des cylindres élargisseurs (14,14'; 15, 15') ainsi qu'un dispositif de mesure (13, 13') assurant le contrôle des fils de trame et destiné aux cylindres de dressage des distorsions en diagonale, dont le fonctionnement est automatique, machine caractérisée par les particularités suivantes:
a) le dispositif complet de dressage de la nappe de tissu (9, 9'), qui est disposé devant le cylindre d'alimentation (8, 8') de type non divisé, comprend un cylindre (10, 10') de dressage des distorsions en courbes qui est concave-convexe, dont la position est réglable et en aval duquel, par rapport au sens de transport de la nappe, sont montés les cylindres (11, 12; 11', 12') de dressage des distorsions en diagonale;
b) le dispositif de mesure (13, 13') assurant le contrôle des fils de trame est placé entre ces cylindres de dressage (10, 11, 12; 10', 11', 12') et le cylindre d'alimentation;
c) un premier cylindre élargisseur (14, 14') est placé - par rapport au sens (6) de transport de la nappe de tissu - au-devant du cylindre (10, 10') de dressage des distorsions en courbes et un second (15, 15'), entre les deux cylindres (11, 12; 11' , 12') de dressage des distorsions en diagonale et le dispositif de mesure (13, 13') assurant le contrôle des fils de trame;
d) un premier cylindre de stabilisation (18, 18') est prévu en amont du dispositif de mesure (13, 13') assurant le contrôle des fils de trame et un second (19, 19'), en aval de ce dispositif;
e) le premier cylindre de stabilisation (18, 18') est disposé à brève distance derrière le second cylindre élargisseur (15, 15');
f) le dispositif de dressage (9, 9') est équipé d'un dispositif de commande qui assure la liaison fonctionnelle d'une part avec les trois cylindres de dressage (10, 11, 12; 10', 11' 12') et d'autre part avec le dispositif de mesure (13, 13') assurant le contrôle des fils de trame.
2. Machine à tendre selon la revendication 1, caractérisée en ce que les deux cylindres de stabilisation (18, 19; 18', 19') ont une enveloppe lisse d'acier.
3. Machine à tendre selon la revendication 1, dont les chaînes de tension se déplacent en circuit fermé dans des plans verticaux; caractérisée en ce que le cylindre d'alimentation (8) est monté en position fixe.
4. Machine à tendre selon la revendication 1, dont les chaînes de tension se déplacent en circuit fermé dans des plans horizontaux, caractérisée en ce que la position en hauteur du cylindre d'alimentation (8') est réglable.
5. Machine à tendre selon la revendication 4, caractérisée en ce que les tourillons d'extrémité du cylindre d'alimentation (8') sont montés sur les extrémités libres de deux bras (24) pouvant pivoter autour d'un axe horizontal (25).
EP81107818A 1981-02-17 1981-10-01 Rameuse pour bandes textiles Expired - Lifetime EP0058227B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19818104251U DE8104251U1 (de) 1981-02-17 1981-02-17 Spannmaschine fuer textile warenbahnen
DE8104251U 1981-02-17

Publications (3)

Publication Number Publication Date
EP0058227A1 EP0058227A1 (fr) 1982-08-25
EP0058227B1 EP0058227B1 (fr) 1985-01-16
EP0058227B2 true EP0058227B2 (fr) 1990-05-16

Family

ID=6724723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP81107818A Expired - Lifetime EP0058227B2 (fr) 1981-02-17 1981-10-01 Rameuse pour bandes textiles

Country Status (2)

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EP (1) EP0058227B2 (fr)
DE (2) DE8104251U1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6479437B1 (en) * 1998-06-09 2002-11-12 Basf Aktiengesellschaft Herbicidal mixture containing a 3-heterocyclyl-substituted benzoyl derivative
CN103318679B (zh) * 2013-07-08 2015-10-07 常熟市龙略机电有限公司 针纺织物卷验机
CN109811533A (zh) * 2019-01-17 2019-05-28 河南光远新材料股份有限公司 一种超薄电子级玻璃纤维布成品外观检验系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1906801A1 (de) * 1969-02-11 1970-09-10 Mahlo Gmbh Vorrichtung zum Ausrichten laufender,verzogener Textilbahnen

Also Published As

Publication number Publication date
EP0058227A1 (fr) 1982-08-25
DE8104251U1 (de) 1981-08-20
EP0058227B1 (fr) 1985-01-16
DE3168345D1 (en) 1985-02-28

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