EP3911904A1 - Vorrichtung zum behandeln einer warenbahn - Google Patents
Vorrichtung zum behandeln einer warenbahnInfo
- Publication number
- EP3911904A1 EP3911904A1 EP19832299.2A EP19832299A EP3911904A1 EP 3911904 A1 EP3911904 A1 EP 3911904A1 EP 19832299 A EP19832299 A EP 19832299A EP 3911904 A1 EP3911904 A1 EP 3911904A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- web
- sealing
- treatment chamber
- slot
- segment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000463 material Substances 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000007423 decrease Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/005—Seals, locks, e.g. gas barriers for web drying enclosures
-
- 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
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/14—Containers, e.g. vats
- D06B23/18—Sealing arrangements
Definitions
- the invention relates to a device for treating a web, comprising a treatment chamber, means for transporting the web through the housing, the treatment chamber having an inlet slot and an outlet slot for the web, and means for largely sealing the inlet slot and / or the outlet slot.
- Such devices are known per se and e.g. described in DE 103 33 483 A1. You will e.g. used to heat-treat a web.
- the web is e.g. made of textile or paper and may have been finished and / or coated before entering the device.
- the devices have an inlet and an outlet slot, which are often provided with means for sealing, in order to reduce the occurrence of false air (risk of condensation) and / or the escape of drying air (energy loss and possibly leakage of pollutants).
- the sealing means include e.g. Nozzles that form an air curtain during operation (described in DE 100 07 004 A1), or elastic sealing lips (described in DE 1785 636 A).
- the sealing means must not be designed in such a way that they touch the web or otherwise influence the surface (s) and / or coating (s).
- the object is solved by the features of claim 1.
- the means for sealing comprise a multiplicity of segments, the free ends of which each have different heights, that is to say perpendicular to the idealized flat main surfaces of the material web. are adjustable. As a result, a shape of an open part - a gap - of the inlet slot can largely be adapted to a curvature of the material web, so that the gap as a whole can be very narrow. The greater the number of segments per unit length, the more precise the adaptation to the shape of the web. Overall, taking into account that the surfaces of the web are not touched by the sealing means, the device is sealed as well as possible, and only small amounts of false air can enter or exit treatment air. The treatment of the web and the energy balance of the device are improved overall.
- the free ends are adjusted by means of an inherent automatic movement.
- an inherent automatic movement e.g. known as Fin Ray.
- the automatic movement is brought about by a large number of rigid webs which are fastened to the inside of the segment in the manner of joints. This results in a relatively good and simple adaptation to the shape of the web.
- a round bar is arranged to adjust the segments. This is elastically bendable according to the curvature of the web.
- the round cross-section ensures a defined contact area of the rod with the segments and thus a high precision of the adjustment.
- a truss rod is arranged for adjustment (tension / compression rod; known, for example, as a neck tension rod for string instruments, especially for guitars).
- the truss rod consists of two rods, the ends of which are attached to each other.
- a fixed connection is arranged at assigned first of the ends and an adjustable, displaceable connection is arranged at assigned second of the ends, e.g. by means of threads that form a clamping element.
- the round bar is straight or bent in one of two opposite directions.
- the adjustment can be carried out simply by changing a tension of a tensioning element.
- the means for adjusting are equipped for automatic adjustment to a position of the web.
- the gap always has an optimal width.
- At least one proximity sensor is arranged to determine the position of the web. This facilitates appropriate controls, so that a risk is reduced that the web touches the upper and / or lower boundaries of the gap.
- a safe signal can be generated with the proximity sensor that can be used as a guide for automatic control of the width of the gap.
- means for adapting the means for sealing to a width of the web are arranged. In this way, the width of the gap can be minimized to an optimal value.
- a wall of the segment is made from an elastically deformable material. This makes it easier to set the sealing means because a deflected segment is automatically reset when the load is released. In combination with the webs, the segment has good overall stability despite the deformable outer skin.
- the segment has high transverse rigidity. This prevents mutual interference in the adjustment of the individual segments.
- the means for sealing are height-adjustable. This offers one of several options for adapting to a sagging or an arching web.
- the means for sealing are arranged to overlap in the region of the free ends for the same purpose.
- FIG. 1 shows a cross section of a device for treating a web
- FIG. 2 shows a view of an inlet slot of the device with tension chains
- FIG. 3 shows a perspective view of a segment
- Figure 4 shows a longitudinal section and a perspective view (Fig. 4a) of an adjusting rod
- Figure 5 shows a cross section through the adjusting rod of Figures 4 and
- FIG. 6 shows a cross section through the inlet slot of FIG. 2 in a) passive and b) activated state.
- a device for treating a web 1 comprises an essentially closed treatment chamber 2, which has an inlet slot 3 and an outlet slot 4 as passages for the web 1.
- the material web 1 is transported longitudinally in the direction of arrow 5, here in a horizontal plane, through the treatment chamber 2, which has at least one zone.
- the web 1 is on its longitudinal edges by means of holders 6 shown in FIG. 2 - for example needles or clips, which are attached to chains movably mounted in rails 6.1 - held with a predetermined transverse tension.
- the rails 6.1, the chains and the needles or clips are part of the means for transporting the material web 1.
- the inlet slot 3 and the outlet slot 4 are closed as far as possible by means 7 for sealing, without there being any risk that the means 7 touch the web 1 to seal.
- the means 7 for sealing comprise a plurality of segments 8 which are arranged in two continuous rows over at least the entire width of the slot 3, 4 overlapping or above and below the web 1 and in in the passive state, at least largely close the inlet slot 3 or the outlet slot 4. Ideally, only a narrow gap with a predetermined play to the material web 1 remains open in the active state.
- Each of the segments 8 is designed in such a way that an action of force at one point of the segment 8 causes an inherent deformation at another point of the segment 8.
- Such inherent deformations are e.g. in DE 199 16 411 A1, EP 0 860 355 A1 and EP 0 045 713 A1.
- the segment 8 has a width of 2 cm to 10 cm, preferably 3 cm to 5 cm.
- Each of the segments 8, which is shown more clearly in FIG. 3, essentially has a cross section in the form of an isosceles pointed triangle without the effect of a point or line load; that means walls 8.1, 8.2 of segment 8 form the legs and a hypotenuse of the triangle.
- Triangular main surfaces of the segment 8, which are perpendicular to the walls 8.1, 8.2, are essentially - with the exception of webs 9 - open.
- An angle formed between the legs of the triangle is approximately 30 ° and the height of the triangle is approximately 20 cm.
- a thickness of the walls 8.1, which form the legs, decreases from the hypotenuse 8.2 to a tip 8.3 of the triangle.
- All walls 8.1, 8.2 of segment 8 are made of an elastic material that is temperature stable in a wide range from 0 ° C to 250 ° C.
- a suitable material is e.g. Silicone, which also has the advantage of being flame retardant and easy to clean.
- segment 8 as a hollow body ensures good thermal insulation.
- the segment 8 is preferably slightly tapered in width towards the tip 8.3 of the triangle, which forms a free end 8.3 of the segment 8; the width of each of the walls 8.1, which forms one of the legs, here decreases steadily and symmetrically from, according to FIG. 3, from top to bottom by about A mm; this decrease can also be erratic in one step. This results in mutual jamming of adjacent segments 8 prevented and the automatic recovery after a deflection of the tip 8.3, ie the free end 8.3, facilitated.
- each of the webs 9 is made of a stiff material or preferably by accordingly thicker material thickness when using the material of the walls 8.1, 8.2 stiffer.
- a transition between the assigned wall and the web 9 is formed from thin elastic material, preferably from the same material as the walls 8.1, 8.2.
- two feet 10 are arranged facing outward at a mutual spacing in the longitudinal direction of the hypotenuse for fastening the segment 8 to a support rail.
- two undercuts 11 are arranged on the outside. These are attached in an area of this wall 8.1, which is provided for an attack by an adjusting rod 12. As a result, a point of attack of the adjusting rod 12 is defined more precisely and thus a height of the free end 8.3 can be adjusted more precisely and uniformly.
- the adjusting rod 12 which is shown in FIGS. 4 and 5, comprises a tubular casing 13 in which two elongate rods 14, 15 are mounted.
- a bearing block 16 is fixed immovably to the casing 13 in the casing 13 in the region of each of its ends.
- a first of the rods 14 is fixed immovably in an associated one of the bearing blocks 16 at each of its two ends, while a second one of the rods 15 is rotatably mounted in threaded bores of the bearing blocks 16.
- the second rod 15 has an external thread in each of its end regions.
- the threaded bores and the external threads are formed on one end of the sleeve 13 as a left-hand thread and on the opposite end as a right-hand thread, so that rotation of the second rod 15 about its longitudinal axis causes its length change between the bearing blocks 16.
- the second rod 15 can be driven by hand or by motor.
- FIG. 4b furthermore shows an example of an adjustment rod 12 curved in the shape of an arc due to the rotation of the second rod 15 and is shown in perspective without further details.
- Each row of segments 8 is assigned one of the adjusting rods 12; so e.g. assigned two adjustment rods 12 to the inlet slot 3. These are spaced one above the other tightly or touching on the assigned segments 8 and horizontally in the longitudinal direction of the web 1 slidably back and forth in the treatment chamber 2.
- the longitudinal axes of both rods 14, 15 are in a horizontal plane, and the contact is in a predetermined area of the wall 8.1 forming the leg. The shift is done by hand or by motor.
- FIG. 6a shows the inlet slot 3 with an (idealized) flat shape or in an edge region of the web 1.
- the adjusting rod 12 is in contact with the segments 8 in such a way that the inlet slot 3 is formed as a narrow gap between the curved segments 8 .
- the segments 8 here have the active, ie curved, shape. A distance between the segments 8 and the web 1 is very small.
- the material web 1 is curved downwards perpendicular to the plane of the drawing.
- a force is exerted on the lower, exemplary middle segment 8 according to FIG. 6b by the adjusting rod 12 as a result of its displacement toward the segment 8 (by rotating the second rod 15 or by horizontal displacement).
- the segment 8 deforms in such a way that the free end 8.3 is bent downward and thus follows the deflection of the web 1 from a horizontal tensioning plane.
- the upper segment 8, which is also middle here, has no force and is therefore undeformed, ie in a plane of the drawing, triangular.
- the deformation of the individual upper segments 8 increases almost continuously as a result of less force, while that of the individual lower segments 8 decreases accordingly.
- the free area of the gap is optimally minimized and adapted to the shape of the web 1.
- a frame is provided, in which the adjusting rod 12 and the support rail with those attached to it in rows Segments 8 are stored above and below the level of the web 1.
- the frame can be fastened in a height-adjustable manner in the treatment chamber 2.
- the device is assigned at least one proximity sensor 17 for determining the position of the web 1, which is preferably attached in front of the treatment chamber 2.
- two proximity sensors 17 are arranged, one in front and one behind the treatment chamber 2.
- the treatment chamber 2 is heated to a predetermined temperature, e.g. by means of heated circulating air.
- the web 1 is in areas of its longitudinal edges in front of the treatment chamber 2 e.g. attached by needling to the means for transport, stretched transversely to the transport direction 5 and conveyed through the inlet slot 3 into the treatment chamber 2.
- the web 1 is treated according to the requirements.
- the material web 1 is guided out of the treatment chamber 2 through the outlet slit 4 and fed to further processing, e.g. an inspection and a winding device.
- the gaps in the slots 3, 4 are initially preset in accordance with an expected position and shape of the material web 1, in particular its width and curvature.
- the adjustment rods 12 are pressed against all segments 8 in a straight line such that their free ends 8.3 release part of the slot 3, 4 between the rows of segments 8 as the gap.
- the second rods 15 are rotated such that a curvature of the released part of the slot 3, 4 corresponds to the expected curvature of the web 1. Fine adjustment and readjustment of the free part of the slot 3, 4 takes place during the retraction and operation of the device by corresponding horizontal displacement of the adjusting rod 12 as a whole and / or rotation of the second rod 15.
- Moving and twisting takes place e.g. by means of the motors, which are preferably controlled by means of a control and regulating device on the basis of signals from the proximity sensor 17.
- the frame in which the adjusting rods 12 and the support rail are mounted can be adjusted in height.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019100756.9A DE102019100756A1 (de) | 2019-01-14 | 2019-01-14 | Vorrichtung zum Behandeln einer Warenbahn |
| PCT/EP2019/084789 WO2020148033A1 (de) | 2019-01-14 | 2019-12-12 | Vorrichtung zum behandeln einer warenbahn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3911904A1 true EP3911904A1 (de) | 2021-11-24 |
Family
ID=69137838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19832299.2A Withdrawn EP3911904A1 (de) | 2019-01-14 | 2019-12-12 | Vorrichtung zum behandeln einer warenbahn |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3911904A1 (de) |
| CN (1) | CN113557402B (de) |
| DE (1) | DE102019100756A1 (de) |
| WO (1) | WO2020148033A1 (de) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1487362A (en) * | 1922-03-15 | 1924-03-18 | Otis D Rice | Drying apparatus |
| US2818661A (en) * | 1953-11-06 | 1958-01-07 | American Viscose Corp | Automatic door and conveying system |
| GB879091A (en) * | 1958-10-22 | 1961-10-04 | Julien Dungler | Improvements in and relating to thermal treatments at high pressure |
| DE3140935A1 (de) * | 1981-10-15 | 1983-05-05 | Babcock Textilmaschinen GmbH, 2105 Seevetal | Anordnung zur abdichtung der ein- oder austrittsschlitze von schwebe-, spannrahmentrocknern und dergleichen |
| EP0277618A2 (de) * | 1987-02-03 | 1988-08-10 | Babcock Textilmaschinen GmbH | Vorrichtung zur Abdichtung der Ein- und Austrittsschlitze an Spannrahmentrocknern und dergl. |
| US4922628A (en) * | 1989-04-24 | 1990-05-08 | Advance Systems, Inc. | Web dryers or the like having airfoil means for controlling a running web at the dryer exit |
| DE4236299A1 (de) * | 1992-10-28 | 1994-05-05 | Basf Magnetics Gmbh | Abdichtvorrichtung am Einlauf und/oder Auslauf eines Schwebetrockners für Warenbahnen |
| EP1132702A2 (de) * | 2000-02-16 | 2001-09-12 | Lindauer Dornier Gesellschaft M.B.H | Verfahren zum Führen einer Warenbahn und Wärmebehandlungsvorrichtung |
| US20140210247A1 (en) * | 2011-09-30 | 2014-07-31 | Sitech Sitztechnik Gmbh | Vehicle seat with side pieces made of autoreactive framework structures |
| US20160221539A1 (en) * | 2013-09-09 | 2016-08-04 | Robert Bosch Gmbh | Wiper lip for a windshield wiper device |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE886588C (de) * | 1950-02-20 | 1953-08-17 | Willy Ing Weber | Saugmulde fuer Absaugemaschinen fuer Gewebe |
| DE1785636A1 (de) | 1964-04-16 | 1973-11-15 | Famatex Gmbh Fabrik Fuer Texti | Einrichtung zum fixieren von geweben oder gewirken aus synthetischen fasern oder faeden |
| DE3009019A1 (de) * | 1980-03-08 | 1981-09-24 | M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach | Papierbahnschleuse an einer vakuum- oder gaskammer |
| DE3029154C2 (de) | 1980-07-31 | 1983-01-05 | Albert-Frankenthal Ag, 6710 Frankenthal | Makulaturweiche |
| DE3430205C1 (de) * | 1984-08-17 | 1986-03-27 | Otto Junker Gmbh, 5107 Simmerath | Schleuse fuer Gluehofenanlagen |
| DE19707392A1 (de) | 1997-02-25 | 1998-08-27 | Deutsch Zentr Luft & Raumfahrt | Aerodynamisches Bauteil, wie Landeklappe, Tragflügel, Höhen- oder Seitenleitwerk, mit veränderbarer Wölbung |
| US6280573B1 (en) * | 1998-08-12 | 2001-08-28 | Kimberly-Clark Worldwide, Inc. | Leakage control system for treatment of moving webs |
| DE19916411A1 (de) | 1999-04-01 | 2000-11-16 | Leif Kniese | Dynamischer Hebel zur Verbesserung der Kraftübertragung |
| DE10333483B4 (de) | 2003-07-22 | 2008-11-27 | Moenus Textilmaschinen Gmbh | Verfahren zur Wärmebehandlung einer Warenbahn und Behandlungsvorrichtung |
| DE102014105060A1 (de) * | 2014-04-09 | 2015-10-15 | Trützschler GmbH + Co KG Textilmaschinenfabrik | Trockner für eine textile Warenbahn |
| WO2016106043A1 (en) * | 2014-12-23 | 2016-06-30 | 3M Innovative Properties Company | Edge contact substrate transport method and apparatus |
-
2019
- 2019-01-14 DE DE102019100756.9A patent/DE102019100756A1/de active Pending
- 2019-12-12 CN CN201980089046.6A patent/CN113557402B/zh not_active Expired - Fee Related
- 2019-12-12 WO PCT/EP2019/084789 patent/WO2020148033A1/de not_active Ceased
- 2019-12-12 EP EP19832299.2A patent/EP3911904A1/de not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1487362A (en) * | 1922-03-15 | 1924-03-18 | Otis D Rice | Drying apparatus |
| US2818661A (en) * | 1953-11-06 | 1958-01-07 | American Viscose Corp | Automatic door and conveying system |
| GB879091A (en) * | 1958-10-22 | 1961-10-04 | Julien Dungler | Improvements in and relating to thermal treatments at high pressure |
| DE3140935A1 (de) * | 1981-10-15 | 1983-05-05 | Babcock Textilmaschinen GmbH, 2105 Seevetal | Anordnung zur abdichtung der ein- oder austrittsschlitze von schwebe-, spannrahmentrocknern und dergleichen |
| EP0277618A2 (de) * | 1987-02-03 | 1988-08-10 | Babcock Textilmaschinen GmbH | Vorrichtung zur Abdichtung der Ein- und Austrittsschlitze an Spannrahmentrocknern und dergl. |
| US4922628A (en) * | 1989-04-24 | 1990-05-08 | Advance Systems, Inc. | Web dryers or the like having airfoil means for controlling a running web at the dryer exit |
| DE4236299A1 (de) * | 1992-10-28 | 1994-05-05 | Basf Magnetics Gmbh | Abdichtvorrichtung am Einlauf und/oder Auslauf eines Schwebetrockners für Warenbahnen |
| EP1132702A2 (de) * | 2000-02-16 | 2001-09-12 | Lindauer Dornier Gesellschaft M.B.H | Verfahren zum Führen einer Warenbahn und Wärmebehandlungsvorrichtung |
| US20140210247A1 (en) * | 2011-09-30 | 2014-07-31 | Sitech Sitztechnik Gmbh | Vehicle seat with side pieces made of autoreactive framework structures |
| US20160221539A1 (en) * | 2013-09-09 | 2016-08-04 | Robert Bosch Gmbh | Wiper lip for a windshield wiper device |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2020148033A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020148033A1 (de) | 2020-07-23 |
| CN113557402A (zh) | 2021-10-26 |
| CN113557402B (zh) | 2023-03-14 |
| DE102019100756A1 (de) | 2020-07-16 |
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