EP2138436A2 - Dispositif de centrage, de déplissage et/ou d'alignement d'une bande de marchandises déplacée et procédé correspondant - Google Patents

Dispositif de centrage, de déplissage et/ou d'alignement d'une bande de marchandises déplacée et procédé correspondant Download PDF

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Publication number
EP2138436A2
EP2138436A2 EP09008400A EP09008400A EP2138436A2 EP 2138436 A2 EP2138436 A2 EP 2138436A2 EP 09008400 A EP09008400 A EP 09008400A EP 09008400 A EP09008400 A EP 09008400A EP 2138436 A2 EP2138436 A2 EP 2138436A2
Authority
EP
European Patent Office
Prior art keywords
roller
bands
web
elastic connecting
sector
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.)
Granted
Application number
EP09008400A
Other languages
German (de)
English (en)
Other versions
EP2138436A3 (fr
EP2138436B1 (fr
Inventor
Klaus Dipl.-Ing.(FH) Selbeck
Bernhard Fischer
Robert Daul
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.)
Mahlo GmbH and Co KG
Original Assignee
Mahlo GmbH and Co KG
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 Mahlo GmbH and Co KG filed Critical Mahlo GmbH and Co KG
Publication of EP2138436A2 publication Critical patent/EP2138436A2/fr
Publication of EP2138436A3 publication Critical patent/EP2138436A3/fr
Application granted granted Critical
Publication of EP2138436B1 publication Critical patent/EP2138436B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • B65H23/022—Registering, tensioning, smoothing or guiding webs transversely by tentering devices
    • B65H23/025—Registering, tensioning, smoothing or guiding webs transversely by tentering devices by rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B65H2403/51—Cam mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/12—Rollers with at least an active member on periphery
    • B65H2404/123—Rollers with at least an active member on periphery moving in parallel to roller axis
    • B65H2404/1231—Arrangement of axially movable active elements, i.e. movable in parallel to roller axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/134—Axle
    • B65H2404/1347—Axle curved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2601/00—Problem to be solved or advantage achieved
    • B65H2601/20—Avoiding or preventing undesirable effects
    • B65H2601/25—Damages to handled material
    • B65H2601/254—Permanent deformation
    • 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
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/174—Textile, fibre

Definitions

  • the invention relates to a device for centering, spreading and / or straightening a moving web according to the preamble of claim 1 and an associated method according to the preamble of claim 11.
  • a textile material web consists in particular of threads crossed at right angles, which are produced during the weaving process in the loom or in the weaving machine.
  • warp longitudinal threads
  • weft transverse threads
  • the textile web is usually guided over a mechanical straightening arrangements, in which by means of straightening or arcuate to the direction of the textile web straightening roller units, the existing delays are compensated by appropriate application of compensating forces on the moving textile web.
  • Such roll-based directing arrangements are preferably used to eliminate arcuate thread and stitch distortion.
  • roller assemblies for centering or positioning of textile webs, such as segmented control rollers, pivot-sliding rollers, etc. are known. Also, for spreading of textile webs so-called Lattenausbreiter, Schnurbreithalter and spreader rollers are used in various embodiments.
  • Said devices are usually provided as separate machines which form mutually independent processing stations in the context of the mechanical manufacturing and processing process.
  • the present invention seeks to provide a multi-functional device for centering, spreading and / or straightening a moving web, which is flexibly adaptable to the respective required processing task and thus straightening, centering and / or spreading the moving web in one step allows.
  • the object is achieved on the basis of an arrangement according to the preamble of claim 1 by its characterizing features.
  • the roller has a plurality of elastic connecting bands, which are axially movable relative to the longitudinal axis of the roller.
  • Particularly advantageous embodiment of the invention allows the roller centering, spreading and / or straightening over this guided web.
  • the said functions can be integrated into a machine and thereby a reduction of mechanical components can be achieved, which in turn leads to a compact design.
  • the described multifunctional device can be used for various machining processes even in very tight spaces. All the functions described can already be realized with a very low content of goods, which leads to the reduction of unwanted longitudinal expansion of the product, especially in elastic webs. In contrast to commercial directional arch rollers, which lead depending on the Umschlingungsposition to wrinkles in the web, this is Effect avoided by the integrated spreading function in the device according to the invention.
  • the elastic connecting bands are evenly distributed over the roll surface and / or arranged concentrically to the longitudinal axis of the roll and / or independently movable.
  • the roller further comprises an elastic covering forming the roller surface, which comprises guide grooves which are designed to guide the elastic connecting belts along the longitudinal axis of the roller, wherein the roller comprises a preferably arcuate drive axle, which is surrounded by the elastic covering.
  • At least one drive mechanism for driving the roller around the longitudinal axis which comprises at least one curved path mechanism, is particularly advantageously provided at the free ends of the drive axle.
  • the cam track mechanism is provided for the axial displacement of the elastic connecting bands along the longitudinal axis of the roller.
  • the curved path mechanism at least approximately forms a curved path comprising at least three curved path sections or sectors I, II, III, wherein the curved path in sector I has a neutral course, in sector II a preferably linearly increasing course and in sector III a preferably linearly falling course ,
  • the cam mechanism has at least one guide sleeve with at least one, the course of the curved path imaged free edge on which rest a plurality of cam rollers, the cam rollers are axially displaceable to the longitudinal axis of the guide sleeve and with the free ends of the elastic connecting bands, In particular expander belts are in operative connection.
  • Fig. 1a is an example of a front view and in Fig. 1b a plan view of an inventive device 1 for centering, spreading and / or straightening a moving, in particular textile web W shown.
  • the device 1 has at least one roller 2 conveying the moving web W, which can be driven about its longitudinal axis L via a drive axle 3, via a respective drive mechanism 4, 4 provided on the opposite free ends 3 ', 3 "of the drive axle 3
  • the roller 2 and the end drive mechanisms 4, 4 ' can be accommodated, for example, in a machine frame.
  • the device 1 can have a plurality of further roll units, preferably two deflection rolls 5, 5 ', which are provided for supplying or removing the moving fabric W to the roll 2. These are preferably mounted rotatably about a perpendicular to the direction LR of the web W extending axis of rotation. Alternatively, these can also be rigid.
  • the paths of the material web W over the width of the roller 2 can be designed to be different, for example, by pivoting in or out of the roller 2, whereby a correction of, for example, arcuate distortion, in particular of the weft thread is possible.
  • the device 1 By means of the device 1 according to the invention can thus be carried out simultaneously up to three processing steps, namely straightening, centering and spreading.
  • the device 1 may also be in the form of a centering and / or spreading device with at least one straight roll 2, via which the conveyed web W is centered and / or stretched to a predetermined width of the fabric.
  • Fig. 2 shows a longitudinal section along the line AA through the device 1 according to FIG. 1a ,
  • the web W of the roller 2 is supplied for example from above via a guide roller 5 at a predetermined inlet angle to the longitudinal axis L and leaves the device 1 again via a further guide roller 5 ', in a predetermined outlet angle to the longitudinal axis L of Roller 2.
  • the wrap angle w of the roller 2 is determined by the web 4, i. that cross-sectional or circumferential region of the roller 2, which is wrapped by the moving web W during the machining process and thus subjected to a processing by means of the roller 2.
  • the wrap angle w is preferably 120 °, i. one third of the roll surface.
  • FIG. 3 shows a schematic side view of an inventively designed roller 2 with a moving web W without that in the FIGS. 1a, b shown housing and possibly received therein drive units, which for driving the roller. 2 are provided via the drive mechanism 4, 4 '.
  • Fig. 4 shows a section along the line AA through the roller 2 and the end drive mechanism 4, 4 '.
  • Fig. 7 shows a perspective view of a section through the roller 2 with guided material web W, for example along the line BB in FIG. 3 ,
  • the roller 2 consists of the drive mechanism 4, 4 'and associated drive units (not shown in the figures) driven drive shaft 3, which is preferably designed arcuate, and the drive axle 3 surrounding elastic pad 6, the preferably closed and integrally formed and rotated about the drive shaft 3.
  • the elastic covering 6 also has a circular or annular cross-section and is inherently dimensionally stable.
  • the elastic covering 6 is arranged, for example, by means of several, objectionable and preferably ring-shaped support elements (not shown in the figures) to the drive axle 3 spaced apart.
  • a plurality of guide grooves 7 are introduced, which run parallel to each other along the longitudinal axis L of the roller 2, wherein the guide grooves 7 preferably arranged concentrically about the longitudinal axis L of the roller 2 and uniformly over the roller surface or the surface of the elastic covering 2 are distributed.
  • elastic connecting bands in particular expander bands 8 added, preferably extending over the entire length of the roller 2 and with their free ends 8 ', 8 " with the respective end-face drive mechanism 4, 4 ', in particular a curved path mechanism 10, 10' provided therein, are in operative connection.
  • the guide grooves 7 have a T-shaped cross-section which extends from the surface of the elastic lining 2 in the direction of the drive axle 3 accommodated in the elastic covering 2. This forms two of an elongated Guide channel 7.1 in the elastic covering 2 each laterally aligned guide recesses 7.2, 7.2 'from.
  • the elastic connecting bands in particular expander bands 8 are formed mushroom-shaped in cross-section, and indeed they have a rounded, preferably flat cap portion 8.1, to which a reverse in cross-section T-shaped holding and guiding section 8.2 connects, which is used to guide the expander bands 8 in the guide grooves 7 is adapted to the cross-sectional shape.
  • FIG. 8a is an example of a section through the elastic pad 7 with inserted expander bands 8, in FIG. 8b the elastic covering 7 without expander bands 8 and in FIG. 8c a cross section through an expander belt 8 exemplified. It is understood that elastic connecting bands, in particular expander bands 8 and associated guide grooves 7 with deviating cross-sectional shapes can be used, which realize a similar holding and guiding function.
  • the free ends 3 ', 3 "of the elastic connecting bands, in particular expander bands 8 cooperate with a cam mechanism 10, 10' provided in the drive mechanism 4, 4 ', which images a cam track 9 whose mode of operation is shown by way of example in a diagram in FIG. 9 is shown.
  • the cam track 9 has, for example, three approximately equally large curved path sections or sectors I, II, III, which in each case rest depending on the set rotational angle position between the curved path mechanism 10, 10 'and the roller 2.
  • the curved path 9 in sector I to the direction of movement of the web W or axially to the roller 2 a neutral course, whereas in sector II a preferably linearly increasing course and in sector III a preferably linearly falling course are present, in each case on the longitudinal axis L of the roller. 2
  • FIG. 10 also shows the image of the sector II with preferably linearly increasing course and the sector III with preferably linearly decreasing course in the curved path mechanism 10, 10 '.
  • the three sectors I, II, III of the cam track 9 have an approximately the wrap angle w of preferably 120 ° corresponding circumferential length, i. the sectors II, III cause the expander bands 8 to be acted upon with a force F in the axial direction, inwards or outwards, whereby no change in the current position of the expander bands 8 is made in sector I.
  • cam track 9 is shown on the curved path mechanism 10, which is part of the drive mechanism 4, 4 '.
  • the curved path mechanism 10 comprises at least one guide sleeve 10.1, which is arranged between two annular side parts 10.2, 10.2 ', and that is a free edge of the guide sleeve 10.1 connected to the side facing the roller 2 side part 10.2, wherein the opposite free edge of the guide sleeve 10.1 the course of the curved path 9 is shown.
  • the settlement of the free edge of the guide sleeve 10.1 relative to a reference point corresponds to the course of the curved path 9.
  • cam rollers 10.3 which are axially rotatably mounted on a carriage 10.4 a linear guide of the cam mechanism 10.
  • the expander bands 8 are guided via openings in the side part 10.2 directed towards the roller 2 to the carriages 10.4 of the linear guide and mechanically connected thereto, for example by clamping, gluing or screwing.
  • the cam rollers 10.3 are thus on the Linear guide guided axially to the roller 2 and coupled with the rotational movement of the roller 2, so that they rotate with the approximately same rotational speed.
  • the side parts 10.2, 10.2 ' are connected to one another, for example via a holding sleeve 10.5, which is mounted rotatably about the drive axis 3 by means of bearing elements, in particular rolling bearings 11, 11'.
  • a holding sleeve 10.5 On the outer surface of the holding sleeve 10.5 a plurality of elongated guide rails 10.6 are arranged, which are provided concentrically around the longitudinal axis of the holding sleeve 10.5 and extend parallel to this.
  • the guide rails 10.2 are formed for linear guidance of the carriages 10.4.
  • the cam track mechanism 10, 10 ' is - as in FIG. 3 represented - preferably surrounded by a jacket-shaped housing, which is supported by the side parts 10.2, 10.2 '.
  • the curved path mechanism 10, 10 ' is connected via a universal joint 12 with a sprocket 13 for rotating the curved path mechanism 10, 10' relative to the roller 2, wherein the universal joint 12 to compensate for the angular offset of the respective outer stub 3.1 of the drive axle 3 and the remaining, preferably curved axle section 3.2 of the drive axle 3 is provided.
  • the cam track 9 is held on the cam track mechanism 10, 10 'in position and is silent with respect to the roller rotation. Via a separate drive unit, preferably an electric motor, however, the cam track mechanism 10, 10 'and thus the cam track 9 relative to the roller 2 can be rotated separately, namely the opposite cam track mechanisms 10, 10' are adjusted independently.
  • a further sprocket 14 may be provided, which allows a pivoting of the arcuate portion 3.2 of the roller 2 about the outer stub 3.1 of the drive axle 3.
  • the cam track mechanism 10, 10 ' provided on both free ends 3', 3 "of the drive axle 3 or of the roller 2 for controlling the movement and / or the expansion of the expander belts 8 has a symmetrical construction
  • a control unit (not shown in the figures) is provided for this purpose, which is connected to the drive units and at least two optical sensor units 15, 15.
  • the optical sensor units 15, 15 ' which are preferably formed by line sensors, in each case the current position of an edge K of the moving material web W is detected, preferably independently of one another.
  • the position data are evaluated via an evaluation and control routine executed in the control unit.
  • the optical sensor units 15, 15 ' are positioned manually or automatically in predetermined nominal positions and the actual positions of the edges of the material web W are determined via the optical sensor units 15, 15'.
  • at least two independent control signals are generated via the evaluation and control routine, via which the control of the different drive units of the cam track mechanism 10, 10 'takes place.
  • the cam track 9 is adjusted accordingly to counteract the deviations of the edge position of the target position.
  • the opposing optical sensor units 15, 15 ' are set to the predetermined production width of the material web, the predetermined production width is regulated by means of the evaluation and control routine by appropriately adjusting the fabric edges.
  • the spreading and centering of the web W is thus achieved by the adjustment of the curved path, in relation to the Umschlingposition the web W on the roller 2.
  • the guidance of the web W is carried out with the wrap angle w of preferably 120 °, wherein the wrap angle w in the neutral region of the cam track 9 is congruent with the sector I of the cam track 4.
  • the casserole and drainage position of the web W unchanged.
  • the cam track mechanisms 10, 10 ' are rotated relative to the roller 2 in such a way that in each case the desired sector I, II, III of the cam track 9 at least partially overlaps or approximately coincides with the looping area of the material web W.
  • the sector I is set to neutral, i. the neutral portion of the curved path is pivoted in the region of the 120 ° loop.
  • the entire drive mechanism 4, 4 'together with curved path mechanism 10, 10' can be mounted in a preferably O-shaped swing frame 16, and via a corresponding pivot mechanism approximately parallel to the running direction LR of the web W for Schräggin the web adjustable.
  • the entire roller assembly can be pivoted about the swing frame 16, so that at least the roller 2 is slightly oblique to the direction LR of the web W.
  • An exemplary application field is in the field of textile printing by means of so-called inkjet printing machines.
  • Straightening, spreading and centering devices known from the prior art are designed in several parts and therefore have a high space requirement in addition to high investment costs.
  • the inventive integration of the three processing functions in a device 1, a space-saving structure can be realized immediately adjacent to the printing table.

Landscapes

  • Treatment Of Fiber Materials (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP20090008400 2008-06-27 2009-06-26 Dispositif de centrage, de déplissage et/ou d'alignement d'une bande de marchandises déplacée et procédé correspondant Not-in-force EP2138436B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008030155 2008-06-27

Publications (3)

Publication Number Publication Date
EP2138436A2 true EP2138436A2 (fr) 2009-12-30
EP2138436A3 EP2138436A3 (fr) 2011-02-23
EP2138436B1 EP2138436B1 (fr) 2012-10-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090008400 Not-in-force EP2138436B1 (fr) 2008-06-27 2009-06-26 Dispositif de centrage, de déplissage et/ou d'alignement d'une bande de marchandises déplacée et procédé correspondant

Country Status (2)

Country Link
EP (1) EP2138436B1 (fr)
DE (1) DE102009030829A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011081449B4 (de) * 2011-08-24 2020-02-20 Koenig & Bauer Ag Rollendruckmaschine mit einer Walze eines Walzensets zum Führen eines Strangs
CN107010450B (zh) * 2017-03-14 2019-07-09 旭皇机械（上海）有限公司 布匹对中机构及预缩机
CN113353702B (zh) * 2020-03-04 2023-03-28 福浓机械股份有限公司 可调整挠度的展布装置及其调整挠度的方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195214A (en) * 1961-06-20 1965-07-20 Mount Hope Machinery Ltd Sheet-material expander
DE4322114A1 (de) * 1992-08-25 1994-01-13 Barmag Barmer Maschf Umlenkwalze
CH690548A5 (fr) * 1995-05-08 2000-10-13 Bobst Sa Dispositif de renvoi d'une bande de matériau.
US20010023883A1 (en) * 2000-03-25 2001-09-27 Erhardt + Leimer Gmbh Device for spreading, compressing and guiding a running material web

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195214A (en) * 1961-06-20 1965-07-20 Mount Hope Machinery Ltd Sheet-material expander
DE4322114A1 (de) * 1992-08-25 1994-01-13 Barmag Barmer Maschf Umlenkwalze
CH690548A5 (fr) * 1995-05-08 2000-10-13 Bobst Sa Dispositif de renvoi d'une bande de matériau.
US20010023883A1 (en) * 2000-03-25 2001-09-27 Erhardt + Leimer Gmbh Device for spreading, compressing and guiding a running material web

Also Published As

Publication number Publication date
EP2138436A3 (fr) 2011-02-23
DE102009030829A1 (de) 2009-12-31
EP2138436B1 (fr) 2012-10-24

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