EP0480285B1 - Dispositif à rouleaux pour revêtement de bandes ou de feuilles - Google Patents

Dispositif à rouleaux pour revêtement de bandes ou de feuilles Download PDF

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Publication number
EP0480285B1
EP0480285B1 EP91116692A EP91116692A EP0480285B1 EP 0480285 B1 EP0480285 B1 EP 0480285B1 EP 91116692 A EP91116692 A EP 91116692A EP 91116692 A EP91116692 A EP 91116692A EP 0480285 B1 EP0480285 B1 EP 0480285B1
Authority
EP
European Patent Office
Prior art keywords
roller
counter
rollers
assembly according
supported
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
EP91116692A
Other languages
German (de)
English (en)
Other versions
EP0480285A3 (en
EP0480285A2 (fr
Inventor
Erich Dipl.-Ing. Hanssmann
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.)
HANSSMANN ERICH
Original Assignee
HANSSMANN ERICH
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 HANSSMANN ERICH filed Critical HANSSMANN ERICH
Publication of EP0480285A2 publication Critical patent/EP0480285A2/fr
Publication of EP0480285A3 publication Critical patent/EP0480285A3/de
Application granted granted Critical
Publication of EP0480285B1 publication Critical patent/EP0480285B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
    • B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers

Definitions

  • roller applicators with these characteristics have been in use for a long time and are therefore generally known. Such devices have to meet certain conditions: The application roller and the counter roller must be completely rigid so that a uniform coating of the material passing through is guaranteed over the entire web width. This condition is met in the known applicators by appropriate dimensioning of the diameter and wall thickness of the applicator roller and the counter roller.
  • the counter roller being part of a set of three rollers counter roller set, in which the roller counter in rolling contact with it two rigid press rolls at a short distance and at least approximately horizontal level next to each other on the guide and bearing blocks are vertically movable together with the counter roll and adjustable with the desired pressure on the applicator roll.
  • the counter roller is supported against bending, so that a uniform coating of the material passing through is guaranteed over the entire web width.
  • this roller arrangement has the disadvantage that the counter-roller can practically not be removed separately from the roller set and exchanged for another one.
  • the counter roller should not come into contact with the coating liquid. Their width must therefore be matched to the width of the sheet or sheet material to be coated. When the counter roll protrudes laterally beyond the material surface to be coated, its edges become coated with the coating liquid contaminated, this contamination being transferred to subsequent rollers.
  • the surface of the counter roll must have a more or less hard to soft elastic surface adapted to the coating substance. Since various types of sheet or sheet-like materials are to be coated with different substances with such an application unit, it is necessary that a number of counter-rollers with different widths are available. Of course, the counter roller must be interchangeably mounted in the applicator.
  • the invention is therefore based on the object of improving a roller applicator of the type defined in the introduction to the description and in the preamble of claim 1 in such a way that the deficiencies described of the known applicator mechanisms of this type are eliminated.
  • the counter-roller should be light, be able to be kept available in a large number of designs with different surfaces and in different widths at the lowest possible cost, and be easy and quick to replace without great effort in manual work and technical aids.
  • the accumulation wave of the coating liquid should be kept as short as possible before the inlet between the application roller and the material web to be coated, which improves the uniformity of the coating.
  • a trough 3 for receiving a coating liquid is arranged in the lower region on a trough support 2 and a scoop roller 4 immersed in the trough 3 is mounted above it.
  • the position of the tub support 2 is vertically adjustable by means of a hand spindle 5 .
  • the tub 3 is easily removable on the tub support 2 and is exchangeably attached to another tub.
  • the scoop roller 4 has a structured surface. It is associated with a doctor device 6 for wiping off excess coating liquid.
  • the side walls 1 of the machine frame each have a vertical guide and bearing block 7 .
  • application roller 8 is adjustably supported against the scoop roller.
  • a counter-roller set is arranged above it, which can be moved by means of a plurality of cylinder drives in the vertical guide of the guide and bearing blocks 7 against the application roller 8 .
  • the counter-roller set consists of three rollers, namely two shape-identical, rigid press rollers 9 , 10 , which are mounted parallel and next to each other in a horizontal plane at a slightly greater distance above the applicator roller 8 and one between the applicator roller 8 and the two press rollers 9 , 10 mounted counter roller 11 .
  • the counter roll 11 is guided at both ends between the vertical bearing plates 13, which are each part of which is arranged on the guide blocks 7 mountings for the counter-roller. 11 It has a stub axle 14 with a central depression at each end. In each of them there is a front bearing ball 15 which rotates with the counter roller 11 on the adjacent bearing plate 13 of the holder.
  • the brackets for the counter roller 11 each consist of two movably connected parts, namely a bracket part 16 fastened to the adjacent guide and bearing block 7 and a device on the free inside of which is rotatably mounted about an axis 17 which runs parallel to the counter roller 11 and at a distance from the latter for lateral guidance and Lift the counter roller 11 from its working position.
  • Each of these at both ends of the counter roll 11 provided means for laterally guiding and lifting of the counter-roller 11 has a around the axis 17 pivotally mounted on Konsolteil 16, oriented perpendicular to the axis 17 of the bearing plate eighteenth
  • Konsolteil 16 oriented perpendicular to the axis 17 of the bearing plate eighteenth
  • two bearing journals 19 , 20 with conventional ball bearings 19a , 20a are arranged, the axes of which are directed parallel to the counter roller 11 and on which these rests with their stub axles 14 .
  • the bearing plate 18 is designed as a central part of a two-armed lever pivotable about the axis 17 .
  • the short lever arm 21 is connected by a tension spring 22 to a downward arm 23 fastened to the bracket part 16 .
  • the long lever arm opposite the short lever arm forms an operating lever 24 .
  • the guide and bearing blocks 7 holding the counter-roller set 9 , 10 , 11 are vertically movable by means of several cylinder drives on the side walls 1 of the machine frame, so that the counter-roller set 9 , 10 , 11 from the applicator roller 8 or from the web running over it 12 of the material to be coated can be lifted off. Then, after depressing the operating lever 24, the counter roller 11 can be easily removed and another one inserted.
  • the counter roller 11 consists of a light core tube 11a , which is closed at both ends by end walls 11b with the stub axles 14 and is surrounded by a jacket 11c made of a different material.
  • the jacket 11c can, depending on the type the coating liquid and / or the material to be coated consist of more or less soft rubber, plastic or other material. Its surface can be smooth or textured. It can also be more or less shorter than the core tube 11a , its length depending on the width of the material web or sheet to be coated.
  • the counter-roller 11 is practically not subjected to bending, since it bears under the rigid pressure rollers 9 , 10 over the entire length of its jacket 11c and is pressed only by this onto the web of the material to be coated which runs over the application roller. It only has to withstand the pressure of the press rolls 9 , 10 without permanent deformation. Therefore, compared to the counter rolls in the known applicators, it can be built much more easily and, in terms of production costs, considerably cheaper. It is therefore much cheaper to keep a larger range of counter-rollers with different surfaces and different shell widths available. Due to the low weight, the replacement of the counter rollers can be carried out effortlessly with little manual work, even without technical aids.

Landscapes

  • Coating Apparatus (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Claims (10)

  1. Dispositif à rouleaux pour revêtement de bandes ou de feuilles avec un produit de revêtement à appliquer en état liquide, avec
    - logés au secteur inférieur entre deux parois latérales (1) d'un montant, au-dessus d'un bac (3) servant contenir le liquide de revêtement à appliquer, un rouleau-puisoir (4) plongeant dans celui-ci, et au-dessus, un rouleau d'application (8) tournant contre le rouleau-puisoir (4),
    - au-dessus du rouleau d'application (8), au moins un contre -rouleau (11) pressant sur le rouleau d'application (8) la bande ou feuille de matériau (12) à revêtir et tournant sur celui-ci, logé de manière interchangeable entre deux blocs de guidage et de logement (7) situés sur les parois latérales (1) du montant, et dont la distance par rapport au rouleau d'application peut être modifiée, et qu'en même temps,
    - le contre-rouleau (11) fait partie d'un jeu de contre-rouleaux composé de trois rouleaux, dans lequel, au-dessus du contre-rouleau (11), en contact de roulement avec lui, deux rouleaux de pression (9, 10) résistant à la flexion, sont logés, à faible distance et au moins à peu près en position horizontale l'un à côté de l'autre, sur les blocs de guidage et de logement (7), ensemble avec le contre-rouleau (11), qui, comparé aux rouleaux de pression (9, 10), est moins résistant à la flexion et a un diamètre plus petit, et qui sont mobiles verticalement et réglables à la pression voulue sur le rouleau d'application (8),
    caractérisé en ce que le contre-rouleau (11) a respectivement un tronçon d'axe (14) sur ses deux extrémités et qu'il est logé entre des éléments de guidage vertical de deux supports disposés sur les blocs de guidage et de logement (7) et composés de respectivement deux pièces reliées entre elles de manière à être mobiles, c.-à-d. d'une partie de console (16) fixée sur le bloc de guidage et de logement (7) voisin, et d'un dispositif de guidage latéral et de retrait du contre-rouleau (11) de sa position de travail, logé sur le côté intérieur libre de la console de manière à pouvoir tourner autour d'un axe (17) de direction parallèle au contre-rouleau (11) et à distance de celui-ci.
  2. Dispositif à rouleaux pour revêtement selon la revendication 1, caractérisé en ce que chacun des dispositifs de guidage latéral et de retrait du contre-rouleau (11) prévus aux deux extrémités du contre-rouleau (11) a une plaque de palier (18) logée sur le côté intérieur de la partie de console (16) de manière à pouvoir pivoter autour de l'axe (17) et perpendiculaire à l'axe (17), au côté opposé au contre-rouleau (11) de laquelle, à petite distance côte à côte, de direction parallèle à l'axe du contre-rouleau, sont disposés deux tourillons (19, 20) allant sous les tronçons d'axe (14) du contre-rouleau (11), et en ce que la plaque de palier (18) forme la partie centrale d'un levier à deux bras, pivotable autour de l'axe (17) et qu'en même temps le bras court du levier (21) est relié par un ressort de traction (22) à une flèche (23) dirigée vers le bas et fixée sur la partie de console (16), et que le bras long opposé du levier forme un levier de manoeuvre (24).
  3. Dispositif à rouleaux pour revêtement selon les revendications 1 et 2, caractérisé en ce que sur les tourillons (19, 20) situés sur la plaque de palier (18) sont disposés des roulements à billes d'usage (19a, 20a), sur lesquels les tronçons d'axe (14) du contre- rouleau (11) peuvent tourner en appui libre.
  4. Dispositif à rouleaux pour revêtement selon les revendications 1 et 2, caractérisé en ce que les tronçons d'axe (14) du contre-rouleau (11) sont logés dans les parois d'about (11b) de ce dernier de manière à pouvoir tourner et qu'ils reposent librement sur les tourillons (19, 20) de la plaque de palier (18).
  5. Dispositif à rouleaux pour revêtement selon une des revendications 1 à 4, caractérisé en ce que le contre-rouleau (11) consiste en un tube carottier léger (11a) fermé aux deux extrémités par des parois d'about (11b) dont dépassent les tronçons d'axe (14) et qu'en même temps, un manteau (11c) d'un autre matériau est disposé sur le tube carottier (11a).
  6. Dispositif à rouleaux pour revêtement selon la revendication 5, caractérisé en ce que le manteau (11c) du contre-rouleau (11) est fait de matériau plus ou moins souple tel que le caoutchouc ou la matière plastique.
  7. Dispositif à rouleaux pour revêtement selon la revendication 5, caractérisé en ce que le manteau (11c) du contre-rouleau (11) est fait d'un matériau dur.
  8. Dispositif à rouleaux pour revêtement selon une des revendications 5 à 7, caractérisé en ce que le manteau (11c) du contre-rouleau (11) a une surface lisse.
  9. Dispositif à rouleaux pour revêtement selon une des revendications 5 à 7, caractérisé en ce que le manteau (11c) du contre-rouleau (11) a une surface structurée.
  10. Dispositif à rouleaux pour revêtement selon une des revendications 5 à 9, caractérisé en ce que le manteau (11c) du contre-rouleau (11) a n'importe quelle mesure plus courte que le tube carottier (11a).
EP91116692A 1990-10-09 1991-09-30 Dispositif à rouleaux pour revêtement de bandes ou de feuilles Expired - Lifetime EP0480285B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4031946A DE4031946A1 (de) 1990-10-09 1990-10-09 Walzen-auftragwerk zum beschichten von durchlaufendem bahn- oder tafelfoermigem material
DE4031946 1990-10-09

Publications (3)

Publication Number Publication Date
EP0480285A2 EP0480285A2 (fr) 1992-04-15
EP0480285A3 EP0480285A3 (en) 1992-05-27
EP0480285B1 true EP0480285B1 (fr) 1994-11-30

Family

ID=6415892

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91116692A Expired - Lifetime EP0480285B1 (fr) 1990-10-09 1991-09-30 Dispositif à rouleaux pour revêtement de bandes ou de feuilles

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EP (1) EP0480285B1 (fr)
AT (1) ATE114513T1 (fr)
DE (2) DE4031946A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105562283A (zh) * 2016-02-15 2016-05-11 上海和科设备制造有限公司 一种扁管涂敷装置
DE102019123050B4 (de) * 2019-08-28 2021-03-18 Achenbach Buschhütten GmbH & Co. KG Auftragwerk

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE272473C (fr) *
GB759138A (en) * 1951-06-19 1956-10-17 Nordisk Aluminium Ind As Improved machine for the application of surface coating material to strips of metal or other solid material

Also Published As

Publication number Publication date
DE59103674D1 (de) 1995-01-12
EP0480285A3 (en) 1992-05-27
ATE114513T1 (de) 1994-12-15
DE4031946A1 (de) 1992-04-16
EP0480285A2 (fr) 1992-04-15

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