EP0935685B1 - Machining device for striplike material - Google Patents

Machining device for striplike material Download PDF

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Publication number
EP0935685B1
EP0935685B1 EP97948829A EP97948829A EP0935685B1 EP 0935685 B1 EP0935685 B1 EP 0935685B1 EP 97948829 A EP97948829 A EP 97948829A EP 97948829 A EP97948829 A EP 97948829A EP 0935685 B1 EP0935685 B1 EP 0935685B1
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EP
European Patent Office
Prior art keywords
hose
pressure
bearing structure
pressure bearing
working roller
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Expired - Lifetime
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EP97948829A
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German (de)
French (fr)
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EP0935685A1 (en
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Johannes Zimmer
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Individual
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Individual
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00—Calenders; Smoothing apparatus
    • D21G1/002—Opening or closing mechanisms; Regulating the pressure
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D06B15/02—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by squeezing rollers

Definitions

  • the invention relates to a device for processing sheet material comprising one in device length extending work roll, a counter abutment surface counter system against which the web material by means of Work roll over the working width corresponding to the web width is pressable, one on its front, the work roll on the circumferential side and apply pressure Press bearing body, one in device length itself extending support bracket, the press bearing body and a Support wall of the support beam in the pressing direction relative to each other are arranged movably, and a contact pressure generating Pressure device, the one between the press bearing body and the Retaining wall with the relative movement changing, in device length extending space and one arranged therein Pressure hose comprises, whereby between one on the back of the press bearing body formed counter abutment surface for the Hose and the retaining wall on the back of the press bearing body Applying contact pressure, oval or in profile cross-section flat-shaped pressure chamber is provided, the pressure volume is determined by the pressure hose filling with pressure medium.
  • Such devices are used in particular for squeezing, i.e
  • a generic device is known from US Pat. No. 2,878,778.
  • the work roll squeeze roll
  • the pressure device With inflatable pressure hose as particularly suitable.
  • One intended for the hose Edge clamp attachment leads to wear and tear and relative low durability.
  • Bearing rollers are axially on one pivoted frame stored and guided on which the means Pressure hose generated pressure is exerted.
  • EP-B1-0 534 930 are special Measures for elastic adjustment of the work roll provided several pressure-generating, separately controllable Elements are formed by pneumatic pistons.
  • the objects of the invention are a generic device for processing sheet material with regard to simple design, durability, operational safety, To improve maintenance, work function and result.
  • the pressure hose is provided as a pressure hose element which, viewed in the longitudinal cross-section of the device, L-shaped, U-shaped or oval-shaped with at least one of the hose counter surface towards the back of the device Section of curvature and with one to the flat contact to the Hose counter surface extends coming system section, being within the space with each section of curvature between the hose counter surface and the support wall a hose-free space with every hose pressure filling condition is formed.
  • a particularly advantageous and practical embodiment of the Invention consists in that a press bearing body and Work roll formed in press connection so arranged between the counter system and the pressure hose element is that the unit of work, in the device profile cross section considered, both in the pressing direction and transversely is movable without forced guidance.
  • the invention arranged pressure hose element is particularly beneficial the press bearing body arranged without positive guidance together. This has contact pressure, viewed in any Profile cross-sectional plane of the device, three movement options. That means that every point of the press bearing body itself in the plane with two displacements in perpendicular to each other Directions as well as with partial rotation around the respective Body point can move. Due to the circumferential storage of the Work roll on the press bearing body is also for the work roll the possibility of movement with the three degrees of freedom reached.
  • the material of the pressure hose element is expediently so stretch-resistant, that even with particularly large contact forces Hose bend section is so expansion-free that a Dodge the hose in the hose bend section in the hose-free space is reliably avoided.
  • the support bracket can at least a second include rear space on the back of the device, where the hose bend section with support on at least one interior wall in the second room extends into it.
  • the support wall can be expediently with passages be provided for the hose bend sections.
  • a particularly useful design is that the Retaining wall between two passages for a plant core forms this enclosing hose element.
  • the inventive pressure hose element bent backwards is suitable are particularly advantageous for zoning across the working width.
  • the hose contact sections in a row arrangement on the press bearing body contact surface contact and between the lined up hose sections this spacing, through the hose bend sections formed hose-free spaces are provided, while preferably the rear-facing Parts of adjacent curvature sections in contact pressure are.
  • the support beam in the profile cross section L or Be U-shaped and open towards the work roll being appropriate at least one leg of the support beam profile Positioning element for the press bearing body forms and preferably each leg of the support beam the press bearing body completely overlaps.
  • the support beam can expediently be in its position on the counter system displaceable by means of a holding device and in the position can be fixed.
  • a moving device is by means of the distance of the support beam to the counter system is adjustable and lockable.
  • Devices according to the invention according to FIGS. 1 to 12 comprise a support beam 1 forming a cross support beam, a pressing device 2 with pressure hose element 2.N, one on it supported press bearing body 3 with bearing elements 4 or 410, 411, a work roll 5 located on the front of the bearing body 3 circumferentially supported by means of the bearing elements is, and a counter system in the form of a counter roller 6th support beam 1, press bearing body 3 with bearing elements, work roll 5 and counter roll 6 extend over the device working width. This corresponds to the length of the device itself extending width of a web 90 to be machined that the Device through a pressure gap (pinch) between Work roll 5 and counter system 6 happens.
  • the work roll 5 is arranged in the region of the lateral vertex of the counter roller 6, the axis of rotation of the work roll 5 in or in Area of a horizontal plane 61 lies in which the axis of the Counter roll 6 lies.
  • the rollers 5 and 6 rotate in opposite directions and pull the web 90 upwards through the Anpreßspalt.
  • the support beam 1 and the counter roller 6 are not on one illustrated frame of a processing machine stored.
  • the Counter roll 6 has a much larger diameter than the work roll 5 and is driven axially via its axis ends.
  • the roller core is preferably made of stainless steel Steel.
  • the outer surface of the roller 6 can be refined, e.g. be chrome-plated, or it is made with an elastic jacket Plastic, rubber or the like fitted.
  • the surface of the Work roll 5 is preferably rubberized.
  • the work roll 5 can be used with an outside of the working width arranged, not shown peripheral drive or be connected to an axial drive.
  • the drive of the work roll 5 can be done in the special case that in the pinch joint the working zone 60 has a very low frictional force acts.
  • the work roll 5 it is particularly advantageous in itself, the work roll 5 to be provided without self-propulsion. This ensures that the work roll 5 slightly slows down on the Roll 90 or the counter roller 6 rolls.
  • work zone 60 there is friction between the roller 5 and the roller 6 due to the lagging roller 5. It was found that the lag friction ideally adjusts to itself automatically sets each operating case when the work roll 5 without priority control, i.e. all around with free play is arranged during the pressing operation.
  • the self-direction takes place at the lowest load on the web 90 and thus the best possible avoidance of path deformation due to compression or stretching. Conventional with such deformations associated adverse consequences such as in particular wear caused by friction has been eliminated.
  • the web 90 either perpendicular to the horizontal plane 61 or in front and / or after passing the rollers 5, 6 with looping on the Counter roll 6 be guided.
  • the web 90 is by a Diving trough arranged below the treatment device 8, which is filled with liquid medium (liquor), depending on the structure and nature more or less Fleet takes up.
  • the web 90 especially a foulard, becomes when passing the work zone 60 between work roll 5 and counter roll 6 squeezed. The squeezed liquid drips into the area under the squeeze point arranged trough 8 back. The only after their squeezing
  • the web which still has a minimal remaining liquor, can run vertically continued (Bru 90.0), or it can be appropriate out to the top of roller 6 and there be removed (lane 90.1).
  • FIG. 1 to 8 In an exemplary design according to the invention according to FIG. 1 to 8 is in its local position during work adjusted and fixed support beam 1 in a Counter roll 6 open U-shaped front space and one rear flat space 16, which are parallel across the working width extend, divided.
  • the wall between the back Room 16 and the front room forms a support wall 12 flat contact surface for the flat sides of straight contact sections 21 of flat pressure hose elements 2.N.
  • against the other flat sides of the pressure hose elements 2.N is one flat contact surface 31 of the press bearing body 3.
  • the open space to the counter roller 6 of the support beam 1 forms also a holding space for the press bearing body 3, namely for Set up and outside the pressing operation. This is shown in FIG. 4 clear.
  • the bearing body 3 on the one positioning element 11 forming the lower longitudinal wall of the support beam 1 on. In this position, the work roll 5 is with your Ends on shelf elements 51 that are outside the working width are arranged on the end faces of the device.
  • a sliding and Cover film 43 arranged, which extends over the length of the Rod body 4 extends.
  • the film 43 hangs outside of the operating state the film 43, the upper edge of which by means of a clamping groove 72 above the support beam 1 is fastened to the holding device 7, with a flat surface vertically downwards.
  • the film 43 provides sure that the rod body 4 and the bearing body 3 through The liquor or liquid must not be contaminated. The to the The substance that comes into the film overflows at the bottom their lower free edge in a receiving channel.
  • the film 43 forms a sliding system and surface for the Work roll 5.
  • the film 43 is between the clamping groove 72 and the rod bodies 4 kept taut, due to the down between the rod bodies 4 and the work roll 5, roller running movement directed away from the clamping groove 72 Direction L.
  • the foil 43 and its material are made so that they correspond to the curvatures of the rod body in the pressing area 4 and the work roll 5 is arched, so far is therefore adaptable to shape, as shown in dashed lines in Fig. 4 is. Due to the hanging arrangement of the film 43 and Its adaptability to shape is the floating mobility of the Work roll 5 is not hindered. It is particularly useful the film 43 on both sides with particularly slidable surfaces Mistake.
  • the support beam 1 is preferably outside at its ends the working width with holding devices 7, not shown Application machine kept.
  • the facilities 7 are preferably adjustable in height, i.e. at a distance from the horizontal plane 61 arranged changeable. The height positions are noticeable.
  • 5a and 5b are two positions of the translationally offset perpendicular to the horizontal plane 61 Support beam 1 shown in FIG. 1.
  • 5a is the Support beam 1 slightly upwards by dimension A, while in Fig. 5b is offset slightly downwards by dimension B. Through a Such an offset allows the flow of force to be targeted influence.
  • the investment position of the Work roll 5 against the counter roll 6 in the desired (minor) Adjust dimension, making special adjustments with regard the squeeze values, the condition of the web and / or the roller designs are possible.
  • ribs 32 formed on the narrow sides of the bearing body 3 are over the body length continuous. Instead of the ribs corresponding raised elements can be provided. she form, in the respective cross-sectional diagonal of the Bearing body 3 considered, tilting edges against the positioning elements 11 come to rest, or, as can be seen from FIG. 4, Feet for the outside of the operating state the lower wall of the bearing body 3.
  • the holding device 7 by a cross member open to the counter roller 6 formed, the front outside the working width in its position is adjustable and adjustable.
  • a storage 73 for the holding device 7 through a machine-stationary, bearing elements comprehensive auxiliary device can be formed to the holding device 7 transverse to the work roll 5 in directions V. to position. In the desired position, the Device 7 fixed so that they are in the operating state forms a stationary support body.
  • the holding device 7 also forms a sliding mount for the support beam 1. Between the rear wall of the cross member and the rear wall of the support beam 1 is pneumatic operated movement device 71 arranged by means of the distance of the support beam 1 to the counter roller 6 adjustable and is noticeable. In particular, can be operated the movement device 71 of the support beam 1 in the sliding mount the holding device 7 to bring back in the setup position for drawing in a web 90 and / or for Change the work roll 5 or the counter roll 6 sufficient To have access room available. It is also possible that the holding device in its holder 73 from the counter roller 6 is set to, as shown in Fig. 4, the To release film 43 and the work roll 5 on both sides along the length.
  • the work roll 5 is exclusive stored circumferentially on the press bearing body 3, namely by means of the arranged on the bearing body 3 the front of the exposed bearing elements.
  • the bearing elements cylindrical pressure rod body 4 with the same Are circular cross-section, whose rod diameter is smaller than that the work roll 5 are.
  • the bars 4 can be arranged in a fixed manner be or as rotatable rollers 4 in corresponding role recordings of the bearing body 3 are added. It was found, that then depending on the self-positioning state or both roles during work, i.e. at without Self-propelled rotating work roll 5, stand still. With with the work roll 5 counter-rotating roller 4 is the The speed of rotation of the roller 4 is sometimes considerably lower than that of the roller 5.
  • the peripheral roll storage for the work roll 5 is also particularly advantageous to interchangeable Use work rolls 5 with different diameters to be able to.
  • the floating displacement according to the invention is also in combination with a bowl-shaped Slide bearing trough suitable instead of the rod rollers 4.
  • a Sliding shell 411 forms a shape-adapted receptacle 42 for the Work roll 5. It is useful as an independent contact body provided, which is trapezoidal in profile cross-section Push-fit can be inserted captively into the press bearing body 3 is.
  • FIGS. 9 to 11 is instead of Rod roller storage for the work roll 5 in profile cross-section V-shaped slide mount 41 is provided. It is a obtuse recording angle formed, with the work roll 5 in tangential contact against flat sliding surfaces of two V-shaped arranged pressure plates 410 is located. These are expediently detachably integrated in the press bearing body 3, and e.g. by means of a trapezoidal push-fit, as from 9 and 11 can be seen.
  • the immediately adjacent to the work roll 5 and the Press bearing body 3 associated contact body or surfaces exist advantageously made of highly slippery polytetrafluoroethylene or the like. Material, the parts made solid or with such material can be coated.
  • the one mounted according to the invention can Work roll 5 suitably a fixed with an application device connected partition 35 are assigned. This extends parallel to the working width Support beam 1.
  • the free lower longitudinal edge of the wall 35 extends to the top of the work roll 5 fixed gap distance.
  • a hydrodynamic sealing gap is formed. This causes that in the gusset area between the Rod body 4, the top of the roller 5 in the Direction of rotation L follows, and the roller 5 accumulating substance, e.g. Dye liquor is retained, i.e. on the the upper vertex of the roller 5 does not run back into the working zone 60 can.
  • the substance can rotate in the direction of rotation L of the roller 5 enter the gusset area, on the other hand the backward movement against the direction of rotation is however in accordance the edge width of the wall 35 and the gap distance locked.
  • the gap distance is so large that the self-positioning the roller 5 is not hindered.
  • the Adjustment of the gap taking into account the during the Operating possible position change of the roller 5, namely so that the wall 35 does not touch the roller 5.
  • the partition 35 is at its two front ends on the frame Processing machine attached. Wall 35 is expedient connected to an adjusting device 36, by means of which it by lifting and lowering to the desired distance position Roller 5 can be brought.
  • the gusset formation occurs especially when the web 90 has a porous, mesh or grid-like structure. After pressing, particles of the more or less remain viscous substance in the area of receding or open Web sites adhere to the roll surface and are in front of the Rod body 4 accumulated, since between this and the work roll 5 there is a relatively large sealing effect. It has it has been shown that by means of the partition 35 even when in use of substances with relatively low viscosity a relative high substance level of the gusset, in the direction of rotation L Considered roller 5, be built behind the partition 35 can. So between bar body 4, roller 5 and partition 35th one extending between the device faces Channel formed.
  • a cleaning device 81 in the form of rinsing / cleaning lines.
  • a central one The line is up to the middle of the device width performed where they are in cleaning fluid along the working width issuing dispensing branches branched.
  • Still pressed Condition of the work roll 5 are substance residues released from the gusset area and to the front of the device washed away.
  • the cleaning device 81 becomes special expedient in combination with that through the partition 35 formed retention reservoir provided.
  • the floating arrangement of the press bearing body 3 takes place in combination with pressure hose elements arranged according to the invention 2.N.
  • pressure hose elements arranged according to the invention 2.N are advantageous in odd Number, five hose elements 2.1 to 2.5 are provided.
  • This form as can be seen from FIGS. 7 and 8, pressure zones of the same width, the entire working width in a row cover. The pressure zones can also be of different lengths be trained.
  • Each hose element 2.N is over one associated connection line 25 to a pressure medium, e.g. Compressed air supply source connected.
  • the printing and The filling status of each hose element 2.N is determined using a controllable valve connected in line 25 set. Pressure medium source and valves are in the drawing not shown. With the selected pressurization of elements 2.N the desired uniform or uneven effective setting across the working width.
  • the device can switch off lateral pressure zones can be used for web widths smaller than the length of the Bearing body 3 are.
  • the pressure hose element 2.N has two of a counter bearing surface 31 associated with the press bearing body 3 U-shaped, directed backwards towards the rear of the device Curvature sections 22.
  • the pressure hose element 2.N is on flatly extending piece of hose that, in the device's longitudinal cross-section considered, the shape of an elongated has open oval rings.
  • This hose element 2.N sits trapped in the rear flat space 16 of the support beam 1 and a flat space 15 between the two rooms 15, 16 separating support wall 12 and the flat counter abutment surface 31 on the press bearing body 3.
  • Each oval tube element 2.N is only inside of the support beam 1 arranged, in a loose position in the Rooms 15, 16, i.e. without fixed attachment to the support beam 1.
  • the Support wall 12 provided with recesses or passages 121. Their cross section corresponds to the front walls 110 the simple and, moreover, twice the flat tube cross-section.
  • Each section of wall between two passages 121 forms a contact core for the oval tube element, the U-curvature sections 22, viewed in the longitudinal cross section, cross-sectionally with the flat space 16 in this surround so that the straight section of the hose oval ring in the room 16 is interrupted.
  • the rearward-facing parts 220 are adjacent Curvature sections in contact pressure.
  • the straight ones Hose contact sections 21 lie in a row arrangement the counter abutment surface 31. Between the strings Hose abutment sections 21 are through the hose bend sections 22 resulting tube-free spaces 150 formed with which the contact portions 21 are spaced apart are. Tubeless spaces 150 are also created laterally the places where the curvature sections 22 at the front Inner walls 110 and the rear longitudinal inner wall of the rooms 15, 16 come to rest.
  • the free end portions 23 of the oval pressure hose element 2.N are closed with closure bodies 24, the closure body 24 a connecting part at an end section 23 for connection to the preferably flexible connecting line 25 forms. This is characterized by a passage to the rear the support beam 1 led out.
  • the rear side of the bearing body 3 forms directly a flat counter abutment surface 31.
  • a flat counter abutment surface 31 can be between the hose contact sections 21 and the rear of the bearing body 3 expedient a continuous one that spans the working width Intermediate plate 310 may be arranged. This then forms the Counter abutment surface 31 for the abutment sections 21 of the Hose elements 2.N.
  • plate 310 is very thin, i.e. that it has a strength that is only a fraction the thickness of the rear wall 12.
  • the wall thickness of the retaining wall 12 is in the order of the flat cross sections of the Rooms 15, 16.
  • the intermediate plate 310 consists of one Deflection conforming material.
  • the pressure hose elements 2.N are preferably fabric-reinforced, to the extent that the wall material is so stretch resistant is that even with particularly high pressurization the hose elements 2.N is reliably prevented the tube material expands into the tube-free spaces 150, these spaces 150 with the convexly curved portions of curvature 22 so pronounced with each pressurization available.

Abstract

PCT No. PCT/EP97/05960 Sec. 371 Date Jun. 28, 1999 Sec. 102(e) Date Jun. 28, 1999 PCT Filed Oct. 29, 1997 PCT Pub. No. WO98/20193 PCT Pub. Date May 14, 1998An apparatus for processing web-shaped material (90) comprises a working roller (5), a counter support (6), a pressure bearing structure (3) for exerting driving force to said working roller (5), a supporting carrier (1) and a pressing device which comprises a pressure hose arranged between the pressure bearing structure (3) and a supporting wall (12). The pressure hose is formed by a pressure hose element (2.1) which, when the apparatus is viewed in longitudinal section, has a L-, U- or oval-shaped cross section and at least one bent portion (22) extending away from a counter support surface (31) for the hose rearwardly towards the rear side of the apparatus and a support portion (21) for making planar contact with the counter support surface (31) for the hose, a hose-free space (150) being formed at each filling state of the hose by each bent portion (22) in a flat cavity (15) between the counter support surface (31) for the hose and the support wall (12).

Description

Die Erfindung betrifft eine Vorrichtung zum Bearbeiten von bahnförmigem Material, umfassend eine in Vorrichtungslänge sich erstreckende Arbeitswalze, eine eine Gegenanlagefläche bildende Gegenanlage, gegen die das Bahnmaterial mittels der Arbeitswalze über die der Bahnbreite entsprechende Arbeitsbreite preßbar ist, einen an seiner Vorderseite die Arbeitswalze umfangsseitig lagernden und sie mit Anpreßkraft beaufschlagenden Preßlagerkörper, einen in Vorrichtungslänge sich erstreckenden Stützträger, wobei der Preßlagerkörper und eine Stützwand des Stützträgers in Anpreßrichtung relativ zueinander bewegbar angeordnet sind, und eine Anpreßkraft erzeugende Anpreßeinrichtung, die einen zwischen Preßlagerkörper und der Stützwand bei der Relativbewegung sich ändernden, in Vorrichtungslänge sich erstreckenden Raum und einen darin angeordneten Druckschlauch umfaßt, wodurch zwischen einer an der Preßlagerkörperrückseite gebildeten Gegenanlagefläche für den Schlauch und der Stützwand ein über die Preßlagerkörperrückseite Anpreßdruck ausübender, im Profilquerschnitt oval- oder flachförmiger Druckraum vorgesehen ist, dessen Druckvolumen durch die Druckschlauchfüllung mit Druckmedium bestimmt ist. Solche Vorrichtungen werden insbesondere zum Abquetschen, d.h. Entwässern von Bahnen in sogenannten Foulards verwendet.The invention relates to a device for processing sheet material comprising one in device length extending work roll, a counter abutment surface counter system against which the web material by means of Work roll over the working width corresponding to the web width is pressable, one on its front, the work roll on the circumferential side and apply pressure Press bearing body, one in device length itself extending support bracket, the press bearing body and a Support wall of the support beam in the pressing direction relative to each other are arranged movably, and a contact pressure generating Pressure device, the one between the press bearing body and the Retaining wall with the relative movement changing, in device length extending space and one arranged therein Pressure hose comprises, whereby between one on the back of the press bearing body formed counter abutment surface for the Hose and the retaining wall on the back of the press bearing body Applying contact pressure, oval or in profile cross-section flat-shaped pressure chamber is provided, the pressure volume is determined by the pressure hose filling with pressure medium. Such devices are used in particular for squeezing, i.e. Dewatering webs used in so-called foulards.

Eine gattungsgemäße Vorrichtung ist aus US-PS 2 878 778 bekannt. Zum Erzeugen der gewünschten hohen Anpreßdrücke auf die Arbeitswalze (Quetschwalze) erweist sich die Anpreßeinrichtung mit aufblasbarem Druckschlauch als besonders geeignet. Allerdings entstehen bei den bekannten Vorrichtungen immer wieder Anpassungsprobleme und Laufunregelmäßigkeiten der Walzen, und mit erhöhten Leistungsanforderungen insbesondere hinsichtlich Gleichmäßigkeit und Einstellbarkeit der Abquetschkraft sind relativ aufwendige, Herstellungskosten erhöhende Konstruktionen verbunden. Eine für den Schlauch vorgesehene Randklemmbefestigung führt zu Verschleiß und relativ geringer Haltbarkeit. Lagerrollen sind axial an einem schwenkbaren Rahmen gelagert und geführt, auf den die mittels Druckschlauch erzeugte Anpreßkraft ausgeübt wird. Bei einer anderen bekannten Vorrichtung (EP-B1-0 534 930) sind besondere Maßnahmen zur elastischen Anpassung der Arbeitswalze vorgesehen, wobei mehrere Druckkraft erzeugende, getrennt ansteuerbare Elemente durch pneumatische Kolben gebildet sind.A generic device is known from US Pat. No. 2,878,778. To generate the desired high contact pressures the work roll (squeeze roll) turns out to be the pressure device with inflatable pressure hose as particularly suitable. However, arise with the known devices again and again adjustment problems and running irregularities of the rollers, and with increased performance requirements in particular with regard to uniformity and adjustability of the squeezing force are relatively complex, increasing manufacturing costs Constructions connected. One intended for the hose Edge clamp attachment leads to wear and tear and relative low durability. Bearing rollers are axially on one pivoted frame stored and guided on which the means Pressure hose generated pressure is exerted. At a other known devices (EP-B1-0 534 930) are special Measures for elastic adjustment of the work roll provided several pressure-generating, separately controllable Elements are formed by pneumatic pistons.

Ziele der Erfindung bestehen darin, eine gattungsgemäße Vorrichtung zum Bearbeiten von bahnförmigem Material hinsichtlich einfacher Bauweise, Lebensdauer, Betriebssicherheit, Wartung, Arbeitsfunktion und -ergebnis zu verbessern.The objects of the invention are a generic device for processing sheet material with regard to simple design, durability, operational safety, To improve maintenance, work function and result.

Diese Ziele werden in Verbindung mit den Merkmalen der eingangs genannten Vorrichtung dadurch erreicht, daß der Druckschlauch als Druckschlauchelement vorgesehen ist, das sich, im Vorrichtungslängsquerschnitt betrachtet, L-, U- oder ovalförmig mit wenigstens einem von der Schlauchgegenanlagefläche zur Vorrichtungsrückseite hin nach hinten weg gerichteten Krümmungsabschnitt und mit einem zur flächigen Anlage an die Schlauchgegenanlagefläche kommenden Anlageabschnitt erstreckt, wobei innerhalb des Raumes mit jedem Krümmungsabschnitt zwischen der Schlauchgegenanlagefläche und der Stützwand ein schlauchfreier Raum bei jedem Schlauchdruckfüllzustand gebildet ist. Erfindungsgemäß ist mindestens ein Ende des Druckschlauchelements zur hinteren Vorrichtungslängsseite hin nach hinten umgeschlagen. Mit dem Krümmungsabschnitt ist erreicht, daß das Druckschlauchelement im Bereich von großen bis hin zu kleinen Arbeitsdrücken in höchstem Maß gleichmäßig an der Anlagefläche des Preßlagerkörpers anliegt und ohne Klemmkraft ausübende Verbindungsmittel ausschließlich hinter dem Lagerkörper vorgesehen ist. These goals are combined with the characteristics of the beginning mentioned device achieved in that the pressure hose is provided as a pressure hose element which, viewed in the longitudinal cross-section of the device, L-shaped, U-shaped or oval-shaped with at least one of the hose counter surface towards the back of the device Section of curvature and with one to the flat contact to the Hose counter surface extends coming system section, being within the space with each section of curvature between the hose counter surface and the support wall a hose-free space with every hose pressure filling condition is formed. According to the invention there is at least one end of the pressure hose element to the rear longitudinal side of the device turned backwards. With the curvature section is achieved that the pressure hose element in the range of large right down to small working pressures bears on the contact surface of the press bearing body and without Lanyards exerting clamping force only behind the bearing body is provided.

Eine besonders vorteilhafte und zweckmäßige Ausgestaltung der Erfindung besteht darin, daß eine aus Preßlagerkörper und Arbeitswalze in Anpreßverbindung gebildete Arbeitseinheit zwischen Gegenanlage und Druckschlauchelement derart angeordnet ist, daß die Arbeitseinheit, im Vorrichtungsprofilquerschnitt betrachtet, sowohl in Anpreßrichtung als auch quer dazu ohne Zwangsführung bewegbar ist. Das erfindungsgemäß angeordnete Druckschlauchelement wirkt besonders günstig mit dem ohne Zwangsführung angeordneten Preßlagerkörper zusammen. Dieser hat zur Anpressung, betrachtet in einer beliebigen Profilquerschnittsebene der Vorrichtung, drei Bewegungsmöglichkeiten. Das heißt, daß jeder Punkt des Preßlagerkörpers sich in der Ebene mit zwei Verschiebungen in zueinander senkrechten Richtungen sowie mit Teildrehung um den jeweiligen Körperpunkt bewegen kann. Infolge der Umfangslagerung der Arbeitswalze an dem Preßlagerkörper ist auch für die Arbeitswalze die Bewegungsmöglichkeit mit den drei Freiheitsgraden erreicht. Im Bereich der Anpreßpositionen der Arbeitswalze ist diese im Betriebzustand praktisch schwimmend, d.h. in bezug auf die Stützwand des Stützträgers ohne translatorische Führung und ohne Schwenkführung gelagert. Die frei, d.h. sich selbsttätig einstellenden Parallel- und Kipplagen des Preßlagerkörpers in bezug auf die Stützwand des Stützträgers, in Profilquerschnittsebene betrachtet, entstehen in Kombination mit Gestalt, Deformierbarkeit und Anordnung des flachen Druckschlauchelements. Man erkennt, daß der Preßlagerkörper im Bereich der Anpreßpositionen in einem freien Spielraum angeordnet ist, in dem er seine Positionen zwischen dem Druckschlauchelement und der Arbeitswalze frei beweglich findet. Die Arbeitseinheit arbeitet mit selbsttätiger Anpassung an den Betriebszustand leichtgängig, und zwar ohne kostenaufwendige komplizierte Antriebs- und Steuerungsmittel. Es ist gefunden worden, daß Arbeitsfunktion und Arbeitsergebnis aufgrund der freien Bewegungsmöglichkeit mit den drei Freiheitsgraden bereits dann wesentlich verbessert sind, wenn dieses freie Bewegungsspiel relativ klein, nämlich mit Spiel von einigen Zehntel Millimetern vorgesehen wird, wobei es zweckmäßig ist, für größere Arbeitsbreiten, d.h. zur Verwendung von relativ langen Preßlagerkörpern den Spielraum zu vergrößern.A particularly advantageous and practical embodiment of the Invention consists in that a press bearing body and Work roll formed in press connection so arranged between the counter system and the pressure hose element is that the unit of work, in the device profile cross section considered, both in the pressing direction and transversely is movable without forced guidance. The invention arranged pressure hose element is particularly beneficial the press bearing body arranged without positive guidance together. This has contact pressure, viewed in any Profile cross-sectional plane of the device, three movement options. That means that every point of the press bearing body itself in the plane with two displacements in perpendicular to each other Directions as well as with partial rotation around the respective Body point can move. Due to the circumferential storage of the Work roll on the press bearing body is also for the work roll the possibility of movement with the three degrees of freedom reached. In the area of the pressure positions of the work roll is this practically floating in the operating state, i.e. in with respect to the support wall of the support beam without translational Guide and stored without swivel guide. The free, i.e. yourself automatically adjusting parallel and tilt positions of the press bearing body with respect to the support wall of the support beam, in Considered profile cross-section level, arise in combination with shape, deformability and arrangement of the flat Pressure hose element. It can be seen that the press bearing body arranged in the area of the contact positions in a free scope is where he positions himself between the pressure hose element and the work roll can move freely. The work unit works on with automatic adjustment the operating state smoothly, without costly complicated drive and control means. It is found that work function and work result due to the freedom of movement with the three degrees of freedom are already significantly improved when this free movement play relatively small, namely with play by a few tenths of a millimeter is provided, where appropriate for larger working widths, i.e. for use of relatively long press bearing bodies to increase the scope.

Das Material des Druckschlauchelements ist zweckmäßig so dehnungsfest, daß auch bei besonders großen Anpreßkräften der Schlauchkrümmungsabschnitt derart expansionsfrei ist, daß ein Ausweichen des Schlauches im Schlauchkrümmungsabschnitt in den schlauchfreien Raum zuverlässig vermieden ist.The material of the pressure hose element is expediently so stretch-resistant, that even with particularly large contact forces Hose bend section is so expansion-free that a Dodge the hose in the hose bend section in the hose-free space is reliably avoided.

Um das Schlauchelement besonders einfach und geschützt sowie innerhalb einer besonders kompaktbauenden Anpreßeinrichtung unterzubringen, kann der Stützträger wenigstens einen zweiten hinteren, an der Vorrichtungsrückseite gelegenen Raum umfassen, wobei sich der Schlauch-Krümmungsabschnitt mit Abstützung an wenigstens einer Rauminnenwand in den zweiten Raum hinein erstreckt. Zweckmäßig kann die Stützwand mit Durchgängen für die Schlauchkrümmungsabschnitte versehen sein. Eine besonders zweckmäßige Gestaltung besteht darin, daß die Stützwand zwischen zwei Durchgängen einen Anlagekern für ein diesen einfassendes Schlauchelement bildet. Das erfindungsgemäpe, nach hinten abgekrümmte Druckschlauchelement eignet sich besonders vorteilhaft zur Zonenaufteilung über die Arbeitsbreite. So sind in bevorzugter Ausgestaltung der Erfindung über die Länge des Stützträgers verteilt angeordnete Druckschlauchelemente vorgesehen, wobei die Schlauchanlageabschnitte in Reihenanordnung an der Preßlagerkörperanlagefläche anliegen und zwischen den aneinandergereihten Schlauchanlageabschnitten diese beabstandende, durch die Schlauchkrümmungsabschnitte gebildete schlauchfreie Zwischenräume vorgesehen sind, während vorzugsweise die nach hinten gerichteten Teile benachbarter Krümmungsabschnitte in Anpreßberührung sind. To make the hose element particularly simple and protected as well within a particularly compact pressure device to accommodate, the support bracket can at least a second include rear space on the back of the device, where the hose bend section with support on at least one interior wall in the second room extends into it. The support wall can be expediently with passages be provided for the hose bend sections. A particularly useful design is that the Retaining wall between two passages for a plant core forms this enclosing hose element. The inventive pressure hose element bent backwards is suitable are particularly advantageous for zoning across the working width. So are in a preferred embodiment of the invention distributed over the length of the support beam Pressure hose elements provided, the hose contact sections in a row arrangement on the press bearing body contact surface contact and between the lined up hose sections this spacing, through the hose bend sections formed hose-free spaces are provided, while preferably the rear-facing Parts of adjacent curvature sections in contact pressure are.

Zweckmäßig kann der Stützträger im Profilquerschnitt L- oder U-förmig und zur Arbeitswalze hin offen sein, wobei zweckmäßig wenigstens ein Schenkel des Stützträgerprofils ein Positionierelement für den Preßlagerkörper bildet und vorzugsweise jeder Schenkel des Stützträgers den Preßlagerkörper vollständig übergreift.Appropriately, the support beam in the profile cross section L or Be U-shaped and open towards the work roll, being appropriate at least one leg of the support beam profile Positioning element for the press bearing body forms and preferably each leg of the support beam the press bearing body completely overlaps.

Zweckmäßig kann der Stützträger in seiner Position an der Gegenanlage mittels einer Halteeinrichtung verlagerbar und in der Ortsposition festsetzbar sein. Dabei besteht eine besonders vorteilhafte Gestaltung darin, daß zwischen Halteeinrichtung und Stützträger eine Bewegungseinrichtung angeordnet ist, mittels der der Abstand des Stützträgers zur Gegenanlage einstellbar und feststellbar ist.The support beam can expediently be in its position on the counter system displaceable by means of a holding device and in the position can be fixed. There is a special one advantageous design in that between the holding device and support beams arranged a moving device is by means of the distance of the support beam to the counter system is adjustable and lockable.

Auf noch andere zweckmäßige und vorteilhafte Ausgestaltungen der Erfindung sind Unteransprüche gerichtet, und besonders zweckmäßige und vorteilhafte Ausbildungsformen oder -möglichkeiten der Erfindung werden anhand der folgenden Beschreibung der in der schematischen Zeichnung dargestellten Ausführungsbeispiele näher beschrieben. Es zeigen

Fig. 1
im Profilquerschnitt eine erfindungsgemäße Vorrichtung in einer Arbeitsposition,
Fig. 2
die Vorrichtung der Fig. 1 im Teillängsquerschnitt gemäß Ansicht A-B,
Fig. 3
im Profilquerschnitt eine erfindungsgemäße Vorrichtung mit um die Achse einer Gegenwalze schwenkbar angeordnetem Stützträger,
Fig. 4
im Profilquerschnitt eine erfindungsgemäße Vorrichtung außerhalb des Betriebs,
Fig.5a u.b
im Profilquerschnitt eine erfindungsgemäße Arbeitsvorrichtung in zwei maximal gekippten Arbeitspositionen einer Arbeitswalze an dem seitlichen Scheitel einer Gegenanlagewalze,
Fig. 6
im Profilquerschnitt eine erfindungsgemäße Vorrichtung mit Gleitschalenlagerung für die Arbeitswalze,
Fig. 7
die Vorrichtung der Fig. 1 im Längsquerschnitt außerhalb des Betriebszustandes mit Spalt zwischen Arbeitswalze und Gegenanlage,
Fig. 8
die Vorrichtung der Fig. 7 im Längsquerschnitt gemäß C-D,
Fig. 9 bis 11
im Profilquerschnitt sowie im Teillängsquerschnitt erfindungsgemäße Vorrichtungen mit V-förmiger Lageraufnahme für die Arbeitswalze und
Fig. 12
in Längsdraufsicht und Teildarstellung eine Spül-/Reinigungszuleitung der Vorrichtung in Fig. 11.
Subclaims are directed to still other expedient and advantageous embodiments of the invention, and particularly expedient and advantageous embodiments or possibilities of the invention are described in more detail with reference to the following description of the exemplary embodiments shown in the schematic drawing. Show it
Fig. 1
in profile cross section a device according to the invention in a working position,
Fig. 2
1 in partial longitudinal cross section according to view AB,
Fig. 3
in profile cross section a device according to the invention with a support beam arranged pivotably about the axis of a counter roll,
Fig. 4
a cross-sectional profile of a device according to the invention outside operation,
Fig.5a ub
in cross section, a working device according to the invention in two maximally tilted working positions of a work roll on the side apex of a counter-plant roll,
Fig. 6
in cross-section a device according to the invention with sliding shell bearing for the work roll,
Fig. 7
1 in longitudinal cross-section outside the operating state with a gap between the work roll and counter system,
Fig. 8
7 in longitudinal cross section according to CD,
9 to 11
in profile cross section and in partial longitudinal cross section devices according to the invention with V-shaped bearing receptacle for the work roll and
Fig. 12
11 shows a rinsing / cleaning feed line of the device in FIG. 11 in a longitudinal top view and partial representation.

Erfindungsgemäße Vorrichtungen gemäß Fig. 1 bis 12 umfassen einen einen Querstützträger bildenden Tragbalken 1, eine Anpreßeinrichtung 2 mit Druckschlauchelement 2.N, einen daran abgestützten Preßlagerkörper 3 mit Lagerelementen 4 bzw. 410, 411, eine Arbeitswalze 5, die an der Vorderseite des Lagerkörpers 3 mittels der Lagerelemente umfangsseitig gelagert ist, und eine Gegenanlage in Form einer Gegenwalze 6. Tragbalken 1, Preßlagerkörper 3 mit Lagerelementen, Arbeitswalze 5 und Gegenwalze 6 erstrecken sich über die Vorrichtungsarbeitsbreite. Diese entspricht der in Vorrichtungslänge sich erstreckenden Breite einer zu bearbeitenden Bahn 90, die die Vorrichtung durch einen Anpreßspalt (Quetschfuge) zwischen Arbeitswalze 5 und Gegenanlage 6 passiert. Die Arbeitswalze 5 ist im Bereich des seitlichen Scheitels der Gegenwalze 6 angeordnet, wobei die Drehachse der Arbeitswalze 5 in oder im Bereich einer Horizontalebene 61 liegt, in der die Achse der Gegenwalze 6 liegt. Die Walzen 5 und 6 drehen gegensinnig und ziehen die Bahn 90 bei Arbeitsanpressung nach oben durch den Anpreßspalt. In der Darstellung der Ausführungsbeispiele dreht die Arbeitswalze 5 in Richtung L links herum, während die Gegenwalze 6 in Pfeilrichtung R rechts herum dreht.Devices according to the invention according to FIGS. 1 to 12 comprise a support beam 1 forming a cross support beam, a pressing device 2 with pressure hose element 2.N, one on it supported press bearing body 3 with bearing elements 4 or 410, 411, a work roll 5 located on the front of the bearing body 3 circumferentially supported by means of the bearing elements is, and a counter system in the form of a counter roller 6th support beam 1, press bearing body 3 with bearing elements, work roll 5 and counter roll 6 extend over the device working width. This corresponds to the length of the device itself extending width of a web 90 to be machined that the Device through a pressure gap (pinch) between Work roll 5 and counter system 6 happens. The work roll 5 is arranged in the region of the lateral vertex of the counter roller 6, the axis of rotation of the work roll 5 in or in Area of a horizontal plane 61 lies in which the axis of the Counter roll 6 lies. The rollers 5 and 6 rotate in opposite directions and pull the web 90 upwards through the Anpreßspalt. In the representation of the exemplary embodiments turns the work roll 5 in the L direction to the left while the counter roller 6 rotates clockwise in the direction of the arrow R.

Der Tragbalken 1 und die Gegenwalze 6 sind an einem nicht dargestellten Rahmen einer Bearbeitungsmaschine gelagert. Die Gegenwalze 6 hat einen wesentlich größeren Durchmesser als die Arbeitswalze 5 und wird über ihre Achsenden axial angetrieben. Der Walzenkern besteht vorzugsweise aus rostfreiem Stahl. Die Manteloberfläche der Walze 6 kann veredelt, z.B. verchromt sein, oder sie ist mit einem elastischen Mantel aus Kunststoff, Gummi od.dgl. ausgestattet. Die Oberfläche der Arbeitswalze 5 ist vorzugsweise gummiert.The support beam 1 and the counter roller 6 are not on one illustrated frame of a processing machine stored. The Counter roll 6 has a much larger diameter than the work roll 5 and is driven axially via its axis ends. The roller core is preferably made of stainless steel Steel. The outer surface of the roller 6 can be refined, e.g. be chrome-plated, or it is made with an elastic jacket Plastic, rubber or the like fitted. The surface of the Work roll 5 is preferably rubberized.

Die Arbeitswalze 5 kann mit einem außerhalb der Arbeitsbreite angeordneten, nicht dargestellten Umfangsantrieb oder auch einem Axialantrieb verbunden sein. Der Antrieb der Arbeitswalze 5 kann für den Sonderfall erfolgen, daß in der Quetschfuge der Arbeitszone 60 eine sehr geringe Reibungskraft wirkt. Hingegen ist es an sich besonders vorteilhaft, die Arbeitswalze 5 ohne Eigenantrieb vorzusehen. Dadurch wird erreicht, daß die Arbeitswalze 5 geringfügig verlangsamt an der Bahn 90 bzw. der Gegenwalze 6 abrollt. In der Arbeitszone 60 entsteht zwischen der Walze 5 und der Walze 6 eine Friktion aufgrund der nacheilenden Walze 5. Es wurde gefunden, daß sich die Nacheilungsfriktion idealerweise in Anpassung auf jeden Betriebsfall selbsttätig einstellt, wenn die Arbeitswalze 5 ohne Zwangsführung, d.h. allseitig mit freiem Spiel während des Anpreßbetriebs angeordnet wird. Die Selbsteinstellung erfolgt bei jeweils geringster Belastung der Bahn 90 und damit bestmöglicher Vermeidung von Bahndeformationen durch Stauchung oder Dehnung. Herkömmliche mit solchen Deformationen verbundene nachteilige Folgen wie insbesondere reibungsbedingter Verschleiß sind beseitigt.The work roll 5 can be used with an outside of the working width arranged, not shown peripheral drive or be connected to an axial drive. The drive of the work roll 5 can be done in the special case that in the pinch joint the working zone 60 has a very low frictional force acts. On the other hand, it is particularly advantageous in itself, the work roll 5 to be provided without self-propulsion. This ensures that the work roll 5 slightly slows down on the Roll 90 or the counter roller 6 rolls. In work zone 60 there is friction between the roller 5 and the roller 6 due to the lagging roller 5. It was found that the lag friction ideally adjusts to itself automatically sets each operating case when the work roll 5 without priority control, i.e. all around with free play is arranged during the pressing operation. The self-direction takes place at the lowest load on the web 90 and thus the best possible avoidance of path deformation due to compression or stretching. Conventional with such deformations associated adverse consequences such as in particular wear caused by friction has been eliminated.

Wie aus Fig. 1, 3, 5a bis 6 ersichtlich, kann die Bahn 90 wahlweise senkrecht zur Horizontalebene 61 oder vor und/oder nach dem Passieren der Walzen 5, 6 mit Umschlingung an der Gegenwalze 6 geführt sein. Die Bahn 90 wird durch einen unterhalb der Behandlungsvorrichtung angeordneten Tauchtrog 8, der mit flüssigem Medium (Flotte) gefüllt ist, geführt, wobei sie je nach Struktur und Beschaffenheit mehr oder weniger Flotte aufnimmt. Die Bahn 90, insbesondere ein Foulard, wird beim Passieren der Arbeitszone 60 zwischen Arbeitswalze 5 und Gegenwalze 6 abgequetscht. Die abgequetschte Flüssigkeit tropft in den im Raumbereich unter der Abquetschstelle angeordneten Trog 8 zurück. Die nach ihrer Abquetschung nur noch minimale Restflotte aufweisende Bahn kann in Vertikalrichtung weitergeführt sein (Bahn 90.0), oder sie kann zweckmäßig bis zum oberen Scheitel der Walze 6 geführt und dort abgenommen werden (Bahn 90.1). Zweckmäßig kann es auch sein, die Bahn hinter dem oberen Scheitel der Walze 6 noch weiter an dieser zu führen (Bahn 90.2). Vorteilhaft ist der freie Rand der unteren Tragbalkenlängswand in Form einer schrägen Abtropffläche 112 verlängert, über die durch die Anpreßzonen zwischen den Lagerelementen des Körpers 3 und der Arbeitswalze 5 mitgenommene Flotte in den Trog 8 geführt wird. 1, 3, 5a to 6, the web 90 either perpendicular to the horizontal plane 61 or in front and / or after passing the rollers 5, 6 with looping on the Counter roll 6 be guided. The web 90 is by a Diving trough arranged below the treatment device 8, which is filled with liquid medium (liquor), depending on the structure and nature more or less Fleet takes up. The web 90, especially a foulard, becomes when passing the work zone 60 between work roll 5 and counter roll 6 squeezed. The squeezed liquid drips into the area under the squeeze point arranged trough 8 back. The only after their squeezing The web, which still has a minimal remaining liquor, can run vertically continued (Bahn 90.0), or it can be appropriate out to the top of roller 6 and there be removed (lane 90.1). It can also be useful the web further behind the top vertex of roller 6 to lead on this (lane 90.2). The free one is advantageous Edge of the lower longitudinal beam wall in the form of an oblique Drainer 112 extends over the through the pressure zones between the bearing elements of the body 3 and the work roll 5 carried fleet is led into the trough 8.

In beispielhafter erfindungsgemäßer Gestaltung gemäß Fig. 1 bis 8 ist der während des Arbeitsbetriebs in seiner Ortsposition eingestellte und festgesetzte Tragbalken 1 in einen zur Gegenwalze 6 hin offenen U-förmigen vorderen Raum und einen hinteren Flachraum 16, die sich parallel über die Arbeitsbreite erstrecken, unterteilt. Die Wand zwischen dem hinteren Raum 16 und dem vorderen Raum bildet eine Stützwand 12 mit ebener Anlagefläche für die Flachseiten gerader Anlageabschnitte 21 von flachen Druckschlauchelementen 2.N. Gegen die anderen Flachseiten der Druckschlauchelemente 2.N liegt eine ebene Anlagefläche 31 des Preßlagerkörpers 3 an.In an exemplary design according to the invention according to FIG. 1 to 8 is in its local position during work adjusted and fixed support beam 1 in a Counter roll 6 open U-shaped front space and one rear flat space 16, which are parallel across the working width extend, divided. The wall between the back Room 16 and the front room forms a support wall 12 flat contact surface for the flat sides of straight contact sections 21 of flat pressure hose elements 2.N. Against the other flat sides of the pressure hose elements 2.N is one flat contact surface 31 of the press bearing body 3.

In einer Basisbetriebsposition gemäß Fig. 1 und 2 befindet sich der Preßlagerkörper 3 lediglich mit den Druckschlauchelementen 2.N und über zylindrische Preßstabkörper 4 bildende Lagerelemente mit der Arbeitswalze 5 in Berührung. Aus dieser Position ist der Lagerkörper 3 unter Wirkung der Schlauchkraft, im Stirnprofilquerschnitt betrachtet, bezüglich eines jeden Punktes parallel zu der Horizontalebene 61 in Doppelrichtung T2 bzw. in Anpreßrichtung und senkrecht dazu in Doppelrichtung T1 verschiebbar sowie um einen jeden solchen Punkt mit Teildrehung in Doppelrichtung D3 drehbar. Der Preßlagerkörper 3 weist also, im Vorrichtungsprofilquerschnitt betrachtet, drei Bewegungsfreiheitsgrade auf. Diese Freiheitsgrade bestehen gleichermaßen für die in Anpreßverbindung gebildete Arbeits- und Funktionseinheit, die also durch die Anpreßanlage des Lagerkörpers 3 mit seinen Stabkörpern 4 an der Arbeitswalze 5 gebildet ist. Es ist ersichtlich, daß die Arbeitseinheit 3, 4, 5 sowohl in Anpreßrichtung als auch quer dazu Spielraum zum Auffinden ihrer Betriebsposition hat. Dies hat zur Folge, daß die Anpreßwalze 5 in dem Spielbereich selbsttätig und leichtgängig die optimale Anpreßanlage gegen die Gegenwalze 6 findet. Diese Positionierung wird im folgenden Selbstpositionierung genannt. Wie aus Fig. 2 und 8 ersichtlich, ist der Lagerkörper 3 auch bezüglich eines jeden Punktes in seinen Querschnittsebenen mit drei Freiheitsgraden T4, T5 und D6 bewegbar. Zu diesem Zweck sind zwischen den Stirnflächen des Lagerkörpers 3 und den Stirnwänden 110 des Tragbalkens 1 Spaltabstände S vorgesehen. Sämtliche Ausführungsbeispiele weisen diese Art der Spiellagerung des Lagerkörpers 3 bzw. der Arbeitswalze 5 auf.1 and 2 is in a basic operating position the press bearing body 3 only with the pressure hose elements 2.N and 4 forming over cylindrical rod body Bearing elements in contact with the work roll 5. From this Position is the bearing body 3 under the action of the hose force, viewed in the end profile cross section, with respect to a each point parallel to the horizontal plane 61 in the double direction T2 or in the pressing direction and perpendicular to it in Double direction T1 slidable and around each such Part can be rotated in the double direction D3 with partial rotation. The press bearing body 3 thus points in the device profile cross section considered, three degrees of freedom. These degrees of freedom exist equally for the press connection formed work and functional unit, so through the Pressure system of the bearing body 3 with its rod bodies 4 the work roll 5 is formed. It can be seen that the Work unit 3, 4, 5 both in the pressing direction and transversely has scope to find their operating position. This has the result that the pressure roller 5 in the play area automatically and smoothly the optimal pressure system against the counter roller 6 finds. This positioning is as follows Called self-positioning. 2 and 8, is the bearing body 3 with respect to each Point in its cross-sectional planes with three degrees of freedom T4, T5 and D6 movable. For this purpose, between the End faces of the bearing body 3 and the end walls 110 of the Support beam 1 gap spacing S provided. All examples have this type of game storage of the bearing body 3 or the work roll 5.

Um die genannten Freiheitsgrade zu erzielen, kommt es darauf an, daß der Lagerkörper 3 ohne mit dem Tragbalken 1 verbundene Zwangsführungsmittel zwischen den Druckschlauchelementen 2.N und der Arbeitswalze 5 angeordnet ist. Zweckmäßig sind dem Lagerkörper 3 an dem Tragbalken 1 angeordnete Positionierelemente zugeordnet. Gemäß Ausführungsbeispiel sind Positionierelemente 11, 110 durch die Schenkel bzw. Stirnwände des zur Anlagewalze 6 hin offenen U-Profils des Tragbalkens 1 gebildet. Diese Elemente 11, 110 begrenzen die mit den drei Freiheitsgraden freie Spielbewegung des Lagerkörpers 3. So ist zwischen den Positionierelementen die freie Versatz-/ Kippeinstellung z.B. zwischen den im Vorrichtungsprofilquerschnitt gezeigten maximalen Positionen in Fig. 5a und 5b möglich. Der Bereich der Betriebs-Spielbewegung des Anpreßkörpers 3 mit drei Freiheitsgraden kann insbesondere bei kleinen und mittleren Arbeitsbreiten relativ klein sein. Es wurde gefunden, daß in den Diagonal-Kipplagen gemäß Fig. 5a und 5b Abstände F der innen liegenden Lagerkörperkanten von den Positionierelementen 11 zweckmäßig in der Größenordnung von 0,5 mm bis 5 mm liegen, um die Betriebs-Schwimmbeweglichkeit zur Selbstpositionierung zu erzielen.In order to achieve the degrees of freedom mentioned, it depends that the bearing body 3 without connected to the support beam 1 Positive guidance means between the pressure hose elements 2.N and the work roll 5 is arranged. Are expedient the bearing body 3 arranged on the support beam 1 positioning elements assigned. According to the embodiment Positioning elements 11, 110 through the legs or end walls of the U-profile of the support beam open towards the contact roller 6 1 formed. These elements 11, 110 limit those with the three degrees of freedom free movement of the bearing body 3. So between the positioning elements is the free offset / Tilt adjustment e.g. between those in the device profile cross section maximum positions shown in Fig. 5a and 5b possible. The range of the operating play movement of the pressing body 3 with three degrees of freedom can be especially small and medium working widths should be relatively small. It was found, that in the diagonal tilt positions according to FIGS. 5a and 5b Distances F of the inner bearing body edges from the Positioning elements 11 expediently on the order of 0.5mm to 5mm lie to the operational swimming agility to achieve self-positioning.

Der zur Gegenwalze 6 offene Raum des Tragbalkens 1 bildet auch einen Halteraum für den Preßlagerkörper 3, und zwar zum Rüsten und außerhalb des Anpreßbetriebs. Dies wird aus Fig. 4 deutlich. Dort steht der Lagerkörper 3 auf der ein Positionierelement 11 bildenden unteren Längswand des Tragbalkens 1 auf. In dieser Position liegt die Arbeitswalze 5 mit ihren Enden auf Ablageelementen 51 auf, die außerhalb der Arbeitsbreite an den Vorrichtungsstirnseiten angeordnet sind. The open space to the counter roller 6 of the support beam 1 forms also a holding space for the press bearing body 3, namely for Set up and outside the pressing operation. This is shown in FIG. 4 clear. There is the bearing body 3 on the one positioning element 11 forming the lower longitudinal wall of the support beam 1 on. In this position, the work roll 5 is with your Ends on shelf elements 51 that are outside the working width are arranged on the end faces of the device.

Wie aus Fig. 4 ersichtlich, ist dort zwischen den zylindrischen Preßstabkörpern 4 und der Arbeitswalze 5 eine Gleitund Abdeckfolie 43 angeordnet, die sich über die Länge der Stabkörper 4 erstreckt. Außerhalb des Betriebszustandes hängt die Folie 43, deren oberer Rand mittels Klemmnut 72 oberhalb des Tragbalkens 1 an der Halteeinrichtung 7 befestigt ist, mit planer Fläche senkrecht nach unten. Die Folie 43 stellt sicher, daß die Stabkörper 4 und der Lagerkörper 3 durch Flotte oder Flüssigkeit nicht verunreinigt werden. Die an die Folie gelangende Substanz läuft an dieser nach unten über ihren unteren freien Rand in eine Aufnahmerinne ab. Im Betriebszustand, d.h. in der angepreßten Position der Arbeitswalze 5 zwischen den Stabkörpern 4 und der Gegenanlage 6, bildet die Folie 43 eine Gleitanlage und -fläche für die Arbeitswalze 5. Dabei wird die Folie 43 zwischen Klemmnut 72 und den Stabkörpern 4 gespannt gehalten, und zwar infolge der zwischen den Stabkörpern 4 und der Arbeitswalze 5 nach unten, von der Klemmnut 72 weg gerichteten Walzenlaufbewegung in Richtung L. Die Folie 43 und ihr Material sind so beschaffen, daß sie im Anpreßbereich entsprechend den Wölbungen der Stabkörper 4 und der Arbeitswalze 5 gewölbt wird, sie insoweit also formanpaßbar ist, wie dies in Fig. 4 gestrichelt dargestellt ist. Infolge der hängenden Anordnung der Folie 43 und ihrer Formanpaßbarkeit wird die Schwimmbeweglichkeit der Arbeitswalze 5 nicht behindert. Besonders zweckmäßig ist es, die Folie 43 beidseitig mit besonders gleitfähigen Flächen zu versehen.As can be seen from Fig. 4, there is between the cylindrical Press rod bodies 4 and the work roll 5 a sliding and Cover film 43 arranged, which extends over the length of the Rod body 4 extends. Hangs outside of the operating state the film 43, the upper edge of which by means of a clamping groove 72 above the support beam 1 is fastened to the holding device 7, with a flat surface vertically downwards. The film 43 provides sure that the rod body 4 and the bearing body 3 through The liquor or liquid must not be contaminated. The to the The substance that comes into the film overflows at the bottom their lower free edge in a receiving channel. In the operating state, i.e. in the pressed position of the work roll 5 between the rod bodies 4 and the counter system 6, the film 43 forms a sliding system and surface for the Work roll 5. The film 43 is between the clamping groove 72 and the rod bodies 4 kept taut, due to the down between the rod bodies 4 and the work roll 5, roller running movement directed away from the clamping groove 72 Direction L. The foil 43 and its material are made so that they correspond to the curvatures of the rod body in the pressing area 4 and the work roll 5 is arched, so far is therefore adaptable to shape, as shown in dashed lines in Fig. 4 is. Due to the hanging arrangement of the film 43 and Its adaptability to shape is the floating mobility of the Work roll 5 is not hindered. It is particularly useful the film 43 on both sides with particularly slidable surfaces Mistake.

Der Tragbalken 1 ist vorzugsweise an seinen Enden außerhalb der Arbeitsbreite mit Halteeinrichtungen 7 einer nicht dargestellten Auftragungsmaschine gehalten. Die Einrichtungen 7 sind vorzugsweise höhenverstellbar, d.h. im Abstand zur Horizontalebene 61 veränderbar angeordnet. Die Höhenpositionen sind feststellbar. In Fig. 5a und 5b sind zwei Positionen des senkrecht zur Horizontalebene 61 translatorisch versetzten Tragbalkens 1 der Fig. 1 dargestellt. In Fig. 5a ist der Tragbalken 1 um das Maß A etwas nach oben, während er in Fig. 5b um das Maß B etwas nach unten versetzt ist. Durch einen solchen Versatz läßt sich der Kraftfluß zur Anpressung gezielt beeinflussen. Auch läßt sich die Anlageposition der Arbeitswalze 5 gegen die Gegenwalze 6 in gewünschtem (geringfügigem) Maß verstellen, womit besondere Anpassungen hinsichtlich der Abquetschwerte, der Bahnbeschaffenheit und/ oder der Walzenausführungen möglich sind. In Fig. 5a kommt die Arbeitswalze 5 etwas oberhalb des seitlichen Scheitels der Walze 6 an dieser zu liegen, während in Fig. 5b die Walze 5 etwas unterhalb des seitlichen Scheitels der Walze 6 zu liegen kommt. Infolge der erfindungsgemäßen Versatz-/Kippbewegbarkeit des Lagerkörpers 3 erfolgt dabei die Selbstpositionierung der Arbeitswalze 5 gegen die Gegenwalze 6.The support beam 1 is preferably outside at its ends the working width with holding devices 7, not shown Application machine kept. The facilities 7 are preferably adjustable in height, i.e. at a distance from the horizontal plane 61 arranged changeable. The height positions are noticeable. 5a and 5b are two positions of the translationally offset perpendicular to the horizontal plane 61 Support beam 1 shown in FIG. 1. 5a is the Support beam 1 slightly upwards by dimension A, while in Fig. 5b is offset slightly downwards by dimension B. Through a Such an offset allows the flow of force to be targeted influence. The investment position of the Work roll 5 against the counter roll 6 in the desired (minor) Adjust dimension, making special adjustments with regard the squeeze values, the condition of the web and / or the roller designs are possible. In Fig. 5a comes the work roll 5 slightly above the side vertex the roller 6 to lie on this, while in Fig. 5b the roller 5 slightly below the side vertex of the roller 6 comes to lie. As a result of the offset / tilting movement according to the invention the bearing body 3 is self-positioned the work roll 5 against the counter roll 6.

An Längsschmalseiten des Lagerkörpers 3 sind, über die Körperlänge durchgehend, Rippen 32 ausgebildet. Statt der Rippen können entsprechende erhabene Elemente vorgesehen sein. Sie bilden, in der jeweiligen Profilquerschnittsdiagonale des Lagerkörpers 3 betrachtet, Kippkanten, die gegen die Positionierelemente 11 zu liegen kommen, oder, wie aus Fig. 4 ersichtlich, Füße für den außerhalb des Betriebszustandes auf der unteren Wand aufstehenden Lagerkörper 3.On the narrow sides of the bearing body 3 are over the body length continuous, ribs 32 formed. Instead of the ribs corresponding raised elements can be provided. she form, in the respective cross-sectional diagonal of the Bearing body 3 considered, tilting edges against the positioning elements 11 come to rest, or, as can be seen from FIG. 4, Feet for the outside of the operating state the lower wall of the bearing body 3.

Die anhand der Fig. 5a und b erläuterte Betriebsversatzanordnung der Arbeitswalze 5 kann zweckmäßig auch dadurch zustande gebracht werden, daß, wie in Fig. 3 dargestellt, der Tragbalken 1 um die Achse der Gegenwalze 6 schwenkbar und feststellbar angeordnet ist. Die so erzielte Schräglage ist für die Anpassung und Selbstpositionierung besonders günstig.The operating offset arrangement explained with reference to FIGS. 5a and b the work roll 5 can also be expediently thereby brought that, as shown in Fig. 3, the support beam 1 pivotable and lockable about the axis of the counter roller 6 is arranged. The inclined position thus achieved is for the Adaptation and self-positioning are particularly cheap.

Wie insbesondere aus Fig. 3 und 4 ersichtlich, ist die Halteeinrichtung 7 durch einen zur Gegenwalze 6 offenen Querträger gebildet, der stirnseitig außerhalb der Arbeitsbreite in seiner Position verstellbar und einstellbar gelagert ist. Wie man aus Fig. 4 erkennt, kann eine Lagerung 73 für die Halteeinrichtung 7 durch eine maschinenstationäre, Lagerelemente umfassende Hilfseinrichtung gebildet sein, um die Halteeinrichtung 7 quer zur Arbeitswalze 5 in Richtungen V verschiebbar zu positionieren. In der gewünschten Position wird die Einrichtung 7 festgesetzt, so daß sie im Betriebszustand einen ortsfesten Stützkörper bildet.As can be seen in particular from FIGS. 3 and 4, the holding device 7 by a cross member open to the counter roller 6 formed, the front outside the working width in its position is adjustable and adjustable. How can be seen from Fig. 4, a storage 73 for the holding device 7 through a machine-stationary, bearing elements comprehensive auxiliary device can be formed to the holding device 7 transverse to the work roll 5 in directions V. to position. In the desired position, the Device 7 fixed so that they are in the operating state forms a stationary support body.

Auch bildet die Halteeinrichtung 7 eine Schiebeaufnahme für den Tragbalken 1. Zwischen der Rückwand des Querträgers und der rückwärtigen Wand des Tragbalkens 1 ist eine pneumatisch betriebene Bewegungseinrichtung 71 angeordnet, mittels der der Abstand des Tragbalkens 1 zur Gegenwalze 6 einstellbar und feststellbar ist. Insbesondere läßt sich durch Betätigung der Bewegungseinrichtung 71 der Tragbalken 1 in der Schiebeaufnahme der Halteeinrichtung 7 nach innen zurückholen, um in der Rüstposition zum Einziehen einer Bahn 90 und/oder zum Wechseln der Arbeitswalze 5 oder der Gegenwalze 6 ausreichend Rüstraum zur Verfügung zu haben. Gleichfalls ist es möglich, daß die Halteeinrichtung in ihrer Halterung 73 von der Gegenwalze 6 weggesetzt wird, um, wie in Fig. 4 dargestellt, die Folie 43 und die Arbeitswalze 5 beiderseits längsseitig freizugeben.The holding device 7 also forms a sliding mount for the support beam 1. Between the rear wall of the cross member and the rear wall of the support beam 1 is pneumatic operated movement device 71 arranged by means of the distance of the support beam 1 to the counter roller 6 adjustable and is noticeable. In particular, can be operated the movement device 71 of the support beam 1 in the sliding mount the holding device 7 to bring back in the setup position for drawing in a web 90 and / or for Change the work roll 5 or the counter roll 6 sufficient To have access room available. It is also possible that the holding device in its holder 73 from the counter roller 6 is set to, as shown in Fig. 4, the To release film 43 and the work roll 5 on both sides along the length.

Für die Zwecke der Erfindung ist die Arbeitswalze 5 ausschließlich umfangsseitig an dem Preßlagerkörper 3 gelagert, und zwar mittels der an dem Lagerkörper 3 angeordneten, an dessen Vorderseite frei liegenden Lagerelemente. Wie anhand der Ausführungsbeispiele dargestellt, ist es zweckmäßig, daß die Lagerelemente zylindrische Preßstabkörper 4 mit gleichem Kreisquerschnitt sind, deren Stabdurchmesser kleiner als der der Arbeitswalze 5 sind. Die Stäbe 4 können fest angeordnet sein oder als drehbare Rollen 4 in entsprechenden Rollenaufnahmen des Lagerkörpers 3 aufgenommen werden. Es wurde gefunden, daß dann je nach dem Selbstpositionierungszustand eine oder beide Rollen während des Arbeitsbetriebs, d.h. bei ohne Eigenantrieb drehender Arbeitswalze 5, stillstehen. Bei mit der Arbeitswalze 5 gegensinnig drehender Rolle 4 ist die Drehgeschwindigkeit der Rolle 4 bisweilen erheblich kleiner als die der Walze 5. Während der Selbstpositionierung kann sich der Preßlagerkörper 3 um die Arbeitswalze 5, d.h. auf einem ihrem Durchmesser entsprechenden Kreisbogen in geeignetem Maß verlagern. Die Stabrollenumfangslagerung für die Arbeitswalze 5 ist auch besonders vorteilhaft, um austauschbare Arbeitswalzen 5 mit unterschiedlichen Durchmessern verwenden zu können.For the purposes of the invention, the work roll 5 is exclusive stored circumferentially on the press bearing body 3, namely by means of the arranged on the bearing body 3 the front of the exposed bearing elements. As with the embodiments shown, it is appropriate that the bearing elements cylindrical pressure rod body 4 with the same Are circular cross-section, whose rod diameter is smaller than that the work roll 5 are. The bars 4 can be arranged in a fixed manner be or as rotatable rollers 4 in corresponding role recordings of the bearing body 3 are added. It was found, that then depending on the self-positioning state or both roles during work, i.e. at without Self-propelled rotating work roll 5, stand still. With with the work roll 5 counter-rotating roller 4 is the The speed of rotation of the roller 4 is sometimes considerably lower than that of the roller 5. During self-positioning the press bearing body 3 around the work roll 5, i.e. on a suitable circular arc corresponding to its diameter Shift measure. The peripheral roll storage for the work roll 5 is also particularly advantageous to interchangeable Use work rolls 5 with different diameters to be able to.

Wie aus Fig. 6 ersichtlich, ist die erfindungsgemäße Schwimmverlagerung auch in Kombination mit einer schalenförmigen Gleitlagermulde anstelle der Stabrollen 4 geeignet. Eine Gleitschale 411 bildet eine formangepaßte Aufnahme 42 für die Arbeitswalze 5. Sie ist zweckmäßig als selbständiger Anlagekörper vorgesehen, der in im Profilquerschnitt trapezförmiger Steck-Klemmpassung unverlierbar in den Preßlagerkörper 3 einsetzbar ist.As can be seen from FIG. 6, the floating displacement according to the invention is also in combination with a bowl-shaped Slide bearing trough suitable instead of the rod rollers 4. A Sliding shell 411 forms a shape-adapted receptacle 42 for the Work roll 5. It is useful as an independent contact body provided, which is trapezoidal in profile cross-section Push-fit can be inserted captively into the press bearing body 3 is.

Im Ausführungsbeispiel der Fig. 9 bis 11 ist anstelle der Stabrollenlagerung für die Arbeitswalze 5 eine im Profilquerschnitt V-förmige Gleitaufnahme 41 vorgesehen. Es ist ein stumpfer Aufnahmewinkel gebildet, wobei sich die Arbeitswalze 5 in tangentialer Anlage gegen ebene Gleitflächen von zwei V-förmig angeordneten Anpreßplatten 410 befindet. Diese sind zweckmäßig lösbar in den Preßlagerkörper 3 integriert, und zwar z.B. mittels trapezförmiger Steck-Klemmpassung, wie aus Fig. 9 und 11 ersichtlich.In the embodiment of FIGS. 9 to 11 is instead of Rod roller storage for the work roll 5 in profile cross-section V-shaped slide mount 41 is provided. It is a obtuse recording angle formed, with the work roll 5 in tangential contact against flat sliding surfaces of two V-shaped arranged pressure plates 410 is located. These are expediently detachably integrated in the press bearing body 3, and e.g. by means of a trapezoidal push-fit, as from 9 and 11 can be seen.

Die unmittelbar an der Arbeitswalze 5 anliegenden und dem Preßlagerkörper 3 zugehörigen Anlagekörper oder -flächen bestehen vorteilhaft aus hochgleitfähigem Polytetrafluoräthylen od. dgl. Material, wobei die Teile massiv ausgeführt oder mit solchem Material beschichtet sein können. The immediately adjacent to the work roll 5 and the Press bearing body 3 associated contact body or surfaces exist advantageously made of highly slippery polytetrafluoroethylene or the like. Material, the parts made solid or with such material can be coated.

Wie aus Fig. 1 ersichtlich, kann der erfindungsgemäß gelagerten Arbeitswalze 5 zweckmäßig eine fest mit einer Auftragungsvorrichtung verbundene Trennwand 35 zugeordnet werden. Diese erstreckt sich über die Arbeitsbreite parallel mit dem Tragbalken 1. Der freie untere Längsrand der Wand 35 erstreckt sich mit zu dem oberen Scheitel der Arbeitswalze 5 fest einstellbarem Spaltabstand. Durch geringfügig beabstandete Einstellung ist ein hydrodynamischer Dichtspalt gebildet. Dieser bewirkt, daß in dem Zwickelbereich zwischen dem Stabkörper 4, der dem oberen Scheitel der Walze 5 in deren Drehrichtung L folgt, und der Walze 5 sich ansammelnde Substanz, z.B. Färbeflotte, zurückgehalten wird, d.h. über den oberen Scheitel der Walze 5 nicht in die Arbeitszone 60 zurücklaufen kann. Einerseits kann die Substanz in Drehrichtung L der Walze 5 in den Zwickelbereich einlaufen, andererseits wird das Zurücklaufen gegen die Drehrichtung jedoch nach Maßgabe der Randbreite der Wand 35 und des Spaltabstandes gesperrt. Der Spaltabstand ist so groß, daß die Selbstpositionierung der Walze 5 nicht behindert ist. Dabei erfolgt die Einstellung des Spalts unter Berücksichtigung der während des Betriebs möglichen Positionsänderung der Walze 5, und zwar so, daß die Wand 35 die Walze 5 nicht berührt. Die Trennwand 35 ist an ihren beiden stirnseitigen Enden am Gestell einer Bearbeitungsmaschine befestigt. Zweckmäßig ist die Wand 35 mit einer Einstelleinrichtung 36 verbunden, mittels derer sie durch Heben und Senken in die gewünschte Abstandsposition zur Walze 5 gebracht werden kann.As can be seen from FIG. 1, the one mounted according to the invention can Work roll 5 suitably a fixed with an application device connected partition 35 are assigned. This extends parallel to the working width Support beam 1. The free lower longitudinal edge of the wall 35 extends to the top of the work roll 5 fixed gap distance. By slightly spaced A hydrodynamic sealing gap is formed. This causes that in the gusset area between the Rod body 4, the top of the roller 5 in the Direction of rotation L follows, and the roller 5 accumulating substance, e.g. Dye liquor is retained, i.e. on the the upper vertex of the roller 5 does not run back into the working zone 60 can. On the one hand, the substance can rotate in the direction of rotation L of the roller 5 enter the gusset area, on the other hand the backward movement against the direction of rotation is however in accordance the edge width of the wall 35 and the gap distance locked. The gap distance is so large that the self-positioning the roller 5 is not hindered. The Adjustment of the gap taking into account the during the Operating possible position change of the roller 5, namely so that the wall 35 does not touch the roller 5. The partition 35 is at its two front ends on the frame Processing machine attached. Wall 35 is expedient connected to an adjusting device 36, by means of which it by lifting and lowering to the desired distance position Roller 5 can be brought.

Die Zwickelbildung entsteht insbesondere dann, wenn die Bahn 90 eine poröse, netz- oder gitterartige Struktur aufweist. Nach dem Anpressen bleiben Teilchen der mehr oder weniger viskosen Substanz im Bereich zurücktretender oder offener Bahnstellen an der Walzenoberfläche haften und werden vor dem Stabkörper 4 angesammelt, da zwischen diesem und der Arbeitswalze 5 eine relativ große Dichtwirkung vorhanden ist. Es hat sich gezeigt, daß mittels der Trennwand 35 auch bei Verwendung von Substanzen mit relativ geringer Viskosität ein relativ hohes Substanzniveau des Zwickels, in Drehrichtung L der Walze 5 betrachtet, hinter der Trennwand 35 aufgebaut werden kann. So wird zwischen Stabkörper 4, Walze 5 und Trennwand 35 eine zwischen den Vorrichtungsstirnseiten sich erstreckende Rinne gebildet. Aus dieser wird die angesammelte Substanz stirnseitig abgeführt und über die Enden der Arbeitswalze 5 in den Trog 8 geleitet. Mittels der Trennwand 35 ist es in Verbindung mit der erfindungsgemäßen Lagerung des Lagerkörpers 3 möglich, auch Bahnen solcher Art abzuquetschen und z.B. zu färben, die ungleichmäßige oder unebene Struktur haben. Hinter der Anpreßzone anfallende Substanzrückstände werden mittels des Dichtspalts abgeführt. Von Vorteil ist auch, daß die Trennwand 35 ein Arbeitsschutz ist.The gusset formation occurs especially when the web 90 has a porous, mesh or grid-like structure. After pressing, particles of the more or less remain viscous substance in the area of receding or open Web sites adhere to the roll surface and are in front of the Rod body 4 accumulated, since between this and the work roll 5 there is a relatively large sealing effect. It has it has been shown that by means of the partition 35 even when in use of substances with relatively low viscosity a relative high substance level of the gusset, in the direction of rotation L Considered roller 5, be built behind the partition 35 can. So between bar body 4, roller 5 and partition 35th one extending between the device faces Channel formed. This becomes the accumulated substance dissipated at the front and over the ends of the work roll 5 passed into the trough 8. By means of the partition 35 it is in Connection with the storage of the bearing body according to the invention 3 possible to squeeze such webs and e.g. to color the uneven or uneven structure to have. Substance residues accumulating behind the pressure zone are discharged using the sealing gap. Is an advantage also that the partition 35 is an occupational safety.

Aus Fig. 11 und 12 ist eine Reinigungseinrichtung 81 in Form von Spül-/Reinigungszuleitungen ersichtlich. Eine zentrale Leitung ist bis in den Mittenbereich der Vorrichtungsbreite geführt, wo sie in Reinigungsflüssigkeit längs der Arbeitsbreite austeilende Ausgabemündungen verzweigt. Noch im angepreßten Zustand der Arbeitswalze 5 werden Substanzrückstände aus dem Zwickelbereich gelöst und zu den Vorrichtungstirnseiten hin weggespült. Die Reinigungseinrichtung 81 wird besonders zweckmäßig in Kombination mit dem durch die Trennwand 35 gebildeten Rückhaltereservoir vorgesehen.11 and 12 is a cleaning device 81 in the form of rinsing / cleaning lines. A central one The line is up to the middle of the device width performed where they are in cleaning fluid along the working width issuing dispensing branches branched. Still pressed Condition of the work roll 5 are substance residues released from the gusset area and to the front of the device washed away. The cleaning device 81 becomes special expedient in combination with that through the partition 35 formed retention reservoir provided.

Die Schwimmanordnung des Preßlagerkörpers 3 erfolgt in Kombination mit erfindungsgemäß angeordneten Druckschlauchelementen 2.N. Im Ausführungsbeispiel sind, vorteilhaft in ungerader Zahl, fünf Schlauchelemente 2.1 bis 2.5 vorgesehen. Diese bilden, wie aus Fig. 7 und 8 ersichtlich, gleichbreite Anpreßzonen, die in Reihenanordnung die gesamte Arbeitsbreite abdecken. Die Anpreßzonen können auch unterschiedlich lang ausgebildet sein. Jedes Schlauchelement 2.N ist über eine zugeordnete Anschlußleitung 25 an eine Druckmedium, z.B. Druckluft liefernde Quelle angeschlossen. Der Druck- und Füllzustand eines jeden Schlauchelements 2.N wird mittels eines steuerbaren, in die Leitung 25 geschalteten Ventils eingestellt. Druckmediumquelle und Ventile sind in der Zeichnung nicht dargestellt. Mit der gewählten Druckbeaufschlagung der Elemente 2.N erfolgt die gewünschte gleichmäßige oder ungleichmäßige Wirkeinstellung über die Arbeitsbreite. Durch Abschalten von seitlichen Anpreßzonen kann die Vorrichtung für Bahnbreiten genutzt werden, die kleiner als die Länge des Lagerkörpers 3 sind.The floating arrangement of the press bearing body 3 takes place in combination with pressure hose elements arranged according to the invention 2.N. In the exemplary embodiment, are advantageous in odd Number, five hose elements 2.1 to 2.5 are provided. This form, as can be seen from FIGS. 7 and 8, pressure zones of the same width, the entire working width in a row cover. The pressure zones can also be of different lengths be trained. Each hose element 2.N is over one associated connection line 25 to a pressure medium, e.g. Compressed air supply source connected. The printing and The filling status of each hose element 2.N is determined using a controllable valve connected in line 25 set. Pressure medium source and valves are in the drawing not shown. With the selected pressurization of elements 2.N the desired uniform or uneven effective setting across the working width. By The device can switch off lateral pressure zones can be used for web widths smaller than the length of the Bearing body 3 are.

Das erfindungsgemäße Druckschlauchelement 2.N weist zwei von einer dem Preßlagerkörper 3 zugehörigen Gegenanlagefläche 31 zur Vorrichtungsrückseite hin nach hinten weggerichtete U-förmige Krümmungsabschnitte 22 auf. Wie insbesondere aus Fig. 2 und 8 ersichtlich, ist das Druckschlauchelement 2.N ein flach sich erstreckendes Schlauchstück, das, im Vorrichtungslängsquerschnitt betrachtet, die Form eines sich lang erstreckenden offenen Ovalrings hat. Dieses Schlauchelement 2.N sitzt eingefangen in dem hinteren Flachraum 16 des Tragbalkens 1 und einem Flachraum 15 zwischen der die beiden Räume 15, 16 trennenden Stützwand 12 und der ebenen Gegenanlagefläche 31 an dem Preßlagerkörper 3. Der in Längsrichtung des Lagerkörpers 3 sich lang und gerade erstreckende durchgehende Anlageabschnitt 21 des Schlauchelements 2.N bildet einen flachen Druckraum 20, der, im Profilquerschnitt des Tragbalkens 1 betrachtet, den Flachraum 15 ausfüllt. Wie aus Fig. 5a und b ersichtlich, paßt sich der Abschnitt 21 der Profilquerschnittsform des Flachraumes 15 an, die bei Kipplage des Lagerkörpers 3 trapezähnlich ist. Durch diese Anpassung und die freie Bettung an dem Schlauchabschnitt 21 wird die in schwimmender Bewegung sich einstellende Position des Lagerkörpers 3 stabilisiert.The pressure hose element 2.N according to the invention has two of a counter bearing surface 31 associated with the press bearing body 3 U-shaped, directed backwards towards the rear of the device Curvature sections 22. As in particular from Fig. 2 and 8, the pressure hose element 2.N is on flatly extending piece of hose that, in the device's longitudinal cross-section considered, the shape of an elongated has open oval rings. This hose element 2.N sits trapped in the rear flat space 16 of the support beam 1 and a flat space 15 between the two rooms 15, 16 separating support wall 12 and the flat counter abutment surface 31 on the press bearing body 3. The in the longitudinal direction of the Bearing body 3 long and straight extending through Contact section 21 of the hose element 2.N forms a flat one Pressure chamber 20, the, in the profile cross section of the support beam 1 considered, fills the flat space 15. As from Fig. 5a and b can be seen, section 21 of the profile cross-sectional shape fits of the flat space 15, the tilted position of the Bearing body 3 is trapezoidal. Through this adjustment and the free bedding on the hose section 21 becomes that in floating movement position of the bearing body 3 stabilized.

Jedes Ovalschlauchelement 2.N ist ausschließlich innerhalb des Tragbalkens 1 angeordnet, und zwar in loser Lage in den Räumen 15, 16, d.h. ohne feste Befestigung an dem Tragbalken 1. Wie insbesondere aus Fig. 7 und 8 ersichtlich, ist die Stützwand 12 mit Aussparungen oder Durchgängen 121 versehen. Deren Querschnitt entspricht an den stirnseitigen Wänden 110 dem einfachen und im übrigen dem zweifachen Schlauchflachquerschnitt. Jeder Wandabschnitt zwischen zwei Durchgängen 121 bildet einen Anlagekern für das Ovalschlauchelement, wobei die U-Krümmungsabschnitte 22, im Längsquerschnitt betrachtet, querschnittsgleich mit dem Flachraum 16 in diesen einfassen, so daß der gerade Abschnitt des Schlauchovalrings in dem Raum 16 unterbrochen ist. In den breiteren Durchgängen 121 befinden sich die nach hinten gerichteten Teile 220 benachbarter Krümmungsabschnitte in Anpreßberührung. Die geraden Schlauchanlageabschnitte 21 liegen in Reihenanordnung an der Gegenanlagefläche 31 an. Zwischen den aneinandergereihten Schlauchanlageabschnitten 21 sind durch die Schlauchkrümmungsabschnitte 22 entstehende schlauchfreie Zwischenräume 150 gebildet, mit denen die Anlageabschnitte 21 beabstandet sind. Schlauchfreie Zwischenräume 150 entstehen auch seitlich der Stellen, wo die Krümmungsabschnitte 22 an den stirnseitigen Innenwänden 110 und der hinteren Längsinnenwand der Räume 15, 16 zu liegen kommen.Each oval tube element 2.N is only inside of the support beam 1 arranged, in a loose position in the Rooms 15, 16, i.e. without fixed attachment to the support beam 1. As can be seen in particular from FIGS. 7 and 8, the Support wall 12 provided with recesses or passages 121. Their cross section corresponds to the front walls 110 the simple and, moreover, twice the flat tube cross-section. Each section of wall between two passages 121 forms a contact core for the oval tube element, the U-curvature sections 22, viewed in the longitudinal cross section, cross-sectionally with the flat space 16 in this surround so that the straight section of the hose oval ring in the room 16 is interrupted. In the wider passages 121, the rearward-facing parts 220 are adjacent Curvature sections in contact pressure. The straight ones Hose contact sections 21 lie in a row arrangement the counter abutment surface 31. Between the strings Hose abutment sections 21 are through the hose bend sections 22 resulting tube-free spaces 150 formed with which the contact portions 21 are spaced apart are. Tubeless spaces 150 are also created laterally the places where the curvature sections 22 at the front Inner walls 110 and the rear longitudinal inner wall of the rooms 15, 16 come to rest.

Die freien Endabschnitte 23 des Oval-Druckschlauchelements 2.N sind mit Verschiußkörpern 24 geschlossen, wobei der Verschlußkörper 24 an einem Endabschnitt 23 ein Verbindungsteil zur Verbindung mit der vorzugsweise flexiblen Anschlußleitung 25 bildet. Diese ist durch einen Durchgang nach hinten aus dem Tragbalken 1 herausgeführt.The free end portions 23 of the oval pressure hose element 2.N are closed with closure bodies 24, the closure body 24 a connecting part at an end section 23 for connection to the preferably flexible connecting line 25 forms. This is characterized by a passage to the rear the support beam 1 led out.

In Fig. 2 bildet die rückwärtige Seite des Lagerkörpers 3 unmittelbar eine ebene Gegenanlagefläche 31. Wie in Fig. 3 bis 6 und 8 dargestellt, kann zwischen den Schlauchanlageabschnitten 21 und der Rückseite des Lagerkörpers 3 zweckmäßig eine durchgehende, über die Arbeitsbreite sich erstreckende Zwischenplatte 310 angeordnet sein. Diese bildet dann die Gegenanlagefläche 31 für die Anlageabschnitte 21 der Schlauchelemente 2.N. Vorzugsweise ist die Platte 310 sehr dünn, d.h., daß sie eine Stärke hat, die nur einen Bruchteil der Stärke der Rückwand 12 beträgt. Die Wandstärke der Stützwand 12 liegt in der Größenordnung der Flachquerschnitte der Räume 15, 16. Die Zwischenplatte 310 besteht aus einem einer Durchbiegung sich anpassenden Material. Sie bewirkt an der Grenzstelle zwischen mit unterschiedlichen Drücken beaufschlagten Druckzonen einen ausgleichenden stetigen Druckübergang und insoweit eine ausgleichende Druckverteilung zwischen den Druckschlauchelementen 2.N und dem Preßlagerkörper 3. Dieser insbesondere aus Kunststoff bestehende Körper wird dadurch vor nachteiligen Einflüssen unterschiedlicher Druckbeanspruchung geschützt. Auch ist bei Anordnung der Zwischenplatte 310 vorteilhaft erreicht, daß der Lagerkörper 3 im Profilquerschnitt eine geringere Dimension aufweisen kann.2, the rear side of the bearing body 3 forms directly a flat counter abutment surface 31. As in Fig. 3 to 6 and 8, can be between the hose contact sections 21 and the rear of the bearing body 3 expedient a continuous one that spans the working width Intermediate plate 310 may be arranged. This then forms the Counter abutment surface 31 for the abutment sections 21 of the Hose elements 2.N. Preferably, plate 310 is very thin, i.e. that it has a strength that is only a fraction the thickness of the rear wall 12. The wall thickness of the retaining wall 12 is in the order of the flat cross sections of the Rooms 15, 16. The intermediate plate 310 consists of one Deflection conforming material. It works on the Border point between the pressures applied Pressure zones a compensating steady pressure transition and so far a balancing pressure distribution between the pressure hose elements 2.N and the press bearing body 3. This body, in particular made of plastic, is thereby against adverse influences of different pressure loads protected. Also, when arranging the intermediate plate 310 advantageously achieved that the bearing body 3 in Profile cross section can have a smaller dimension.

Die Druckschlauchelemente 2.N sind vorzugsweise gewebeverstärkt, und zwar in dem Maße, daß das Wandmaterial so dehnungsfest ist, daß auch bei besonders hoher Druckbeaufschlagung der Schlauchelemente 2.N zuverlässig verhindert ist, daß das Schlauchmaterial in die schlauchfreien Räume 150 expandiert, diese Räume 150 mit den konvex gekrümmten Krümmungsabschnitten 22 also bei jeder Druckbeaufschlagung ausgeprägt vorhanden sind.The pressure hose elements 2.N are preferably fabric-reinforced, to the extent that the wall material is so stretch resistant is that even with particularly high pressurization the hose elements 2.N is reliably prevented the tube material expands into the tube-free spaces 150, these spaces 150 with the convexly curved portions of curvature 22 so pronounced with each pressurization available.

Claims (20)

  1. An apparatus for processing web-shaped material (90) comprising a working roller (5) extending in the longitudinal direction of the apparatus, a counter support (6) forming a counter support surface against which the web material (90) is pressable over the whole working breadth, which corresponds to the web width, by means of the working roller (5), a pressure bearing structure (3) with a front side for surface mounting the working roller (5) on this front side and applying a pressing force to said working roller, a supporting carrier (1) extending in the longitudinal direction of the apparatus, the pressure bearing structure (3) and a supporting wall (12) of the supporting carrier (1) being arranged to be movable relative to one another in the pressing direction, and a pressing device (2) for generating a pressing force, the pressing device (2) comprising a cavity (15) between said pressure bearing structure (3) and said supporting wall (12), and a pressure hose arranged in said cavity (15), said cavity (15) extending in the longitudinal direction of the apparatus and changing with said relative movement, a pressing chamber (20) with oval or flat cross section being provided between a counter support surface (31) for the hose formed on said pressure bearing structure (3) and the supporting wall (12) for applying a pressing force over the rear side of the pressure bearing structure, the pressing volume of said pressing chamber being defined by the amount of pressing medium contained in the pressure hose, characterised in that the pressure hose is provided as a pressure hose element (2.N) which comprises an L-, U- or oval-shaped form when the apparatus is viewed in longitudinal section, at least one bent portion (22) directed away from the counter support surface (31) for the hose towards the rear side of the apparatus and a supporting portion (21) adapted to lie in planar fashion against said counter support surface (31) for the hose, a hose free space (150) being formed within said cavity (15) at each filling state of the hose by each bent portion (22) between said counter support surface (31) for the hose and the supporting wall (12).
  2. An apparatus as claimed in claim 1, characterised in that a working unit formed by said pressure bearing structure (3) and the working roller (5) in pressing relationship is arranged between the counter support (6) and the pressure hose element (2.N) such that the working unit (3, 4, 5) is movable without restrictive guidance in both the pressing direction and transverse thereto.
  3. An apparatus as claimed in claim 1 or 2, characterised in that the wall material of the pressure hose element (2.N) is resistant to stretching to the extent that the bent portion (22) of said hose is substantially non-expandable with each application of pressure to form said hose-free space (150).
  4. An apparatus as claimed in any one of claims 1 to 3, characterised in that the supporting carrier (2) comprises at least a second rear cavity (16) arranged at the rear side of the apparatus, the bent portion (22) of the hose extending into the second cavity (16) while being supported on at least one inner wall of the cavity.
  5. An apparatus as claimed in claim 4, characterised in that the second rear cavity (16) is connected to said first cavity (15), which accommodates said supporting portion (21) of the hose, by means of at least one opening (121), the bent portion (22) of the hose penetrating into said opening (121).
  6. An apparatus as claimed in claim 5, characterised in that the supporting wall (12) forms a supporting core for the surrounding hose element (2.N) between two openings (121).
  7. An apparatus as claimed in any one of claims 4 to 6, characterised in that the hose element (2.N) is an open oval-shaped ring with free end portions (23) which are received in the second cavity (16), one end portion (23) of the hose being connected to a connecting tube (25) for a pressure medium which extends out of the supporting carrier (1).
  8. An apparatus as claimed in any one of claims 1 to 7, characterised in that several pressure hose elements (2.1 to 2.5) are provided distributed in a row over the length of the supporting carrier (1), each hose supporting portion contacting a respective counter support surface for the hose (31) associated with the pressure bearing structure (3) and hose free spaces (150) being formed by the bent hose portions (22) between adjacent hose support portions (21) to separate the same, the rearwardly directed portions (220) of adjacent bent portions (22) being preferably in mutual pressing contact.
  9. An apparatus as claimed in any one of claims 1 to 8, characterised in that the working roller (5) is mounted by means of a trough-like recess (41, 42) provided on the front side of the pressure bearing structure (3), the recess having at least one supporting surface or lines for the working roller (5) which is formed by at least one contact structure (4, 410, 411) integrated in the pressure bearing structure (3) for facilitating sliding contact, the contact structure (410, 411) being detachably mounted on the pressure bearing structure (3) in particular by means of a captive connection.
  10. An apparatus as claimed in any one of claims 1 to 9, characterised in that the working roller (5) is mounted by means of two cylindrical pressing rod structures (4) which are exposed on the front side of the pressure bearing structure (3), the pressing rod structures (4) being preferably of the same circular cross section and held in recesses adapted to their form in the pressure bearing structure (3).
  11. An apparatus as claimed in any one of claims 1 to 9, characterised in that the working roller (5) is mounted by means of a receptacle (41) with V-shaped cross section provided on the front side of the pressure bearing structure (3).
  12. An apparatus as claimed in any one of claims 1 to 11, characterised in that a sliding film (43) is provided between mounting elements (4) which support the working roller (5) and are arranged on the front side of the pressure bearing structure (3) and the working roller (5), the working roller (5) lying against the mounting elements (4) through the film (43) in operation.
  13. An apparatus as claimed in any one of claims 1 to 12, characterised in that the transverse movement of the pressure bearing structure (3) is limited by at least one positioning element (11) which is associated with the pressure bearing structure (3) and connected to the supporting carrier (1).
  14. An apparatus as claimed in claim 13, characterised in that the supporting carrier (1) has an L- or U-shaped cross section and is open towards the working roller (5), at least one leg of the supporting carrier forming a positioning element (11) for the pressure bearing structure (3) and each leg of the supporting carrier (1) preferably extending beyond the pressure bearing structure (3).
  15. An apparatus as claimed in any one of claims 1 to 14, characterised in that the supporting carrier (1) is adjustable to alter its position relative to the counter support (6) and fixable in any position by means of a holding device (7).
  16. An apparatus as claimed in claim 15, characterised in that the supporting carrier (1) is arranged to pivot about an axis extending parallel to the longitudinal axis and outside the profile section of the supporting carrier, the axis preferably being the axis of a mating roller (6) constituting the counter support.
  17. An apparatus as claimed in claim 15 or 16, characterised in that a moving device (71) for adjusting and fixing the spacing between the supporting carrier (1) and the counter support (6) is arranged between the holding device (7) and the supporting carrier (1) .
  18. An apparatus as claimed in any one of claims 1 to 17, characterised in that a flexible intermediate plate (310) is arranged between the hose support portions (21) and the rear side of the bearing structure (3) to extend continuously along the length of the bearing structure (3) for effecting a uniform and continuous transfer of pressure between pressure zones subjected to different pressures.
  19. An apparatus as claimed in any one of claims 1 to 18, characterised in that the counter support is a mating roller (6) and the working roller (5) is movable into contact with the mating roller (6) in the region of the lateral crown of said mating roller.
  20. An apparatus as claimed in any one of claims 1 to 19, characterised in that a dividing wall (35) extending parallel with the supporting carrier (1) is associated with the working roller (5) and arranged, when viewed in the direction of rotation of the working roller (5), behind the counter support (6) and between the latter and the pressure bearing structure (3), a hydrodynamic sealing gap being formed between a longitudinal edge of the dividing wall (35) and the surface of the working roller (5) and being adapted to allow passage only to those substances occuring on the rotary working roller (5) which move in the direction of rotation of the working roller (5).
EP97948829A 1996-11-02 1997-10-29 Machining device for striplike material Expired - Lifetime EP0935685B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29619695U DE29619695U1 (en) 1996-11-02 1996-11-02 Device for processing sheet material
DE29619695U 1996-11-02
PCT/EP1997/005960 WO1998020193A1 (en) 1996-11-02 1997-10-29 Machining device for striplike material

Publications (2)

Publication Number Publication Date
EP0935685A1 EP0935685A1 (en) 1999-08-18
EP0935685B1 true EP0935685B1 (en) 2002-03-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97948829A Expired - Lifetime EP0935685B1 (en) 1996-11-02 1997-10-29 Machining device for striplike material

Country Status (5)

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US (1) US6138559A (en)
EP (1) EP0935685B1 (en)
AT (1) ATE215141T1 (en)
DE (2) DE29619695U1 (en)
WO (1) WO1998020193A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29809883U1 (en) 1998-05-23 1999-09-30 Zimmer Johannes Device for processing a web
ATE473318T1 (en) * 2003-10-16 2010-07-15 Sperotto Rimar S R L DEVICE AND METHOD FOR THE HEAT TREATMENT USING A LIQUID OF TRAFFIC TEXTILE SUBSTRATES
DE202010017343U1 (en) * 2010-07-01 2011-11-28 Voith Patent Gmbh pressure hose
US10195638B2 (en) * 2013-10-30 2019-02-05 Samsung Sdi Co., Ltd. Apparatus for coating a separator having collection chamber and method for coating the separator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2878778A (en) * 1951-02-16 1959-03-24 Kusters Eduard Apparatus for squeezing webs utilizing alternate hard and soft rolls on different axes
US2851869A (en) * 1955-01-17 1958-09-16 Quoos Kurt Squeeze roll apparatus
DE1119809B (en) * 1957-12-12 1961-12-21 Sucker G M B H Geb Roll press device, in particular on sizing machines
DE1159340B (en) * 1961-10-14 1963-12-12 Hamac Hansella A G Maschinenfa Process for extracting excess air from filled tubular bag packs and a packaging machine for the production of tubular bag packs using this process
FR1586138A (en) * 1968-07-23 1970-02-13
EP0465898B1 (en) * 1990-07-10 1996-09-25 Johannes Zimmer Apparatus for applying fluid substances and for other treatment through pressing of surfaces and process for utilising the apparatus
AT402744B (en) * 1991-09-23 1997-08-25 Johannes Zimmer DEVICE AND ARRANGEMENT FOR MACHINING RAIL-SHAPED MATERIAL

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Publication number Publication date
DE29619695U1 (en) 1998-02-26
ATE215141T1 (en) 2002-04-15
EP0935685A1 (en) 1999-08-18
US6138559A (en) 2000-10-31
DE59706796D1 (en) 2002-05-02
WO1998020193A1 (en) 1998-05-14

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