EP1660709B1 - Verfahren zum kompressiven krumpfen und gummituch-krumpfanlage - Google Patents

Verfahren zum kompressiven krumpfen und gummituch-krumpfanlage Download PDF

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Publication number
EP1660709B1
EP1660709B1 EP04762333A EP04762333A EP1660709B1 EP 1660709 B1 EP1660709 B1 EP 1660709B1 EP 04762333 A EP04762333 A EP 04762333A EP 04762333 A EP04762333 A EP 04762333A EP 1660709 B1 EP1660709 B1 EP 1660709B1
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EP
European Patent Office
Prior art keywords
rubber blanket
blanket
edge
areas
main cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04762333A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1660709A1 (de
Inventor
Ernst Klas
Hans Hoppenstock
Peter Schmitz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
A Monforts Textilmaschinen GmbH and Co KG
Original Assignee
A Monforts Textilmaschinen GmbH and Co KG
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Application filed by A Monforts Textilmaschinen GmbH and Co KG filed Critical A Monforts Textilmaschinen GmbH and Co KG
Publication of EP1660709A1 publication Critical patent/EP1660709A1/de
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Publication of EP1660709B1 publication Critical patent/EP1660709B1/de
Anticipated expiration legal-status Critical
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C21/00—Shrinking by compressing

Definitions

  • the invention relates to a method for the compressive shrinkage of a textile fabric web by means of a compressive or blanket shrinking plant, in which a mechanically compressed fabric web between an endless blanket and the lateral surface of a heated master cylinder or heating cylinder is fixed and in which each of the master cylinder running area of the blanket is cooled. It further relates to a blanket-Krumpfstrom, in which a mechanically compressed fabric between an endless blanket and the lateral surface of a heated master cylinder is to be fixed and in which each of the main cylinder expiring region of the blanket coolant are assigned.
  • the blanket is also referred to as a rubber band or -mit constructiver.
  • Blanket-Krumpfanlagen with so-called blanket calender are described in DE-AS 10 72 220 ,
  • the master cylinder of a Krompressiv Krumpfzylinders is heated when crumpling cotton fabric to about 130 ° C, to fix the mechanical compression of the respective fabric.
  • the heat supplied by the master cylinder heats not only the fabric itself but also the blanket pressing the fabric against the master cylinder. Since the width of the fabric varies, at least from batch to batch, the blanket will generally be wider than the treated fabric.
  • the blanket Due to the heat effect of the master cylinder, the blanket is heated so much that existing in the blanket plasticizer migrate to the outside (migrate). To slow this effect, the blanket in the conventional Krumpfanlagen after draining the master cylinder and lifting the fixed Goods or fabric web cooled over its entire width with water (see, for example, the above DE-AS 10 72 220 ).
  • the invention has for its object to meet in the blanket calender a compressive Krumpfstrom the premature wear of each of the fabric web not covered areas of the blanket; Without the respective active areas of the blanket, that is, the blanket areas covered by the fabric during operation on the main cylinder, to be cooled impermissibly.
  • means are sought for preventing premature brittleness of the edge regions of the blanket located outside the web width.
  • the solution according to the invention is specified for the method mentioned in the characterizing part of claim 1. It consists in particular in that when applied to a rubber blanket not completely covering the material not covered by the fabric on the master cylinder (ie inactive for the shrinkage) areas of the blanket after lifting from the master cylinder are cooled more than that in the sense of Fixi convinceds in the area covered by the fabric or active areas of the blanket is allowed.
  • Krumpfantage the solution in that the peripheral areas of the blanket, which are not touched by the material on the main cylinder, are assigned an additional cooling device that can be adapted to the width of the border areas.
  • the inactive areas of the rubber band which are not touched on the main cylinder of the fabric, ie in particular the areas on the longitudinal edges of the fabric to cool separately and indeed to cool more than that in the active areas of the blanket, with which Fabric is pressed directly against the master cylinder, would be permissible.
  • "Stronger" cooling in the context of the invention means cooling to temperatures significantly, of the order of 5 to 20 ° Celsius, below the minimum temperature still permissible for the active area, such that the amount of heat supplied to the auxiliary cylinder during the cycle of the blanket (short Cooling unit) is completely removed again.
  • the invention is based on the finding that once a rubber blanket has been heated up, it is only necessary to slowly cool it again due to the poor thermal conductivity of rubber.
  • the invention should also be prevented that the inactive areas - from circulation to circulation - even warm up.
  • An intrusion of the heat applied to the main cylinder (and the cooling unit again dissipated) heat energy into the interior of the blanket should be avoided.
  • the poor thermal conductivity of the blanket is taken into account or exploited.
  • the heat applied to the outer surface of such a cloth on the master cylinder penetrates only slowly into the depth of the cloth.
  • the cooling effect continues only slowly into the depth of the blanket.
  • such a cooling length is not available in a compression-shrinking plant. Without application of the invention, therefore, the heat applied to the main cylinder penetrates deeper in the peripheral areas from circulation to circulation and the remaining temperature of the inactive edge regions increases up to an unfavorable equilibrium value for the life of the rubber.
  • the inactive edge regions are cooled from the start (essentially from the first circulation) so intensively that the amount of heat previously applied in the same circulation is dissipated almost completely again. This means that the heat energy has no opportunity to penetrate deeply into the material of the blanket - at least not with an impermissible temperature range - and accordingly only a relatively thin outer layer is alternately heated and cooled.
  • this heated or cooled down outer layer for example, 2 mm thick, it can be cooled (in the aforementioned calculation example) in the order of 0.3 seconds from 120 ° to 40 ° Celsius; at the above-mentioned speed of 50 m / min then only about 25 cm are needed for the cooling; Cooling this length but are constructive in conventional blanket Krumpfanlagen readily controllable.
  • the inventive cooling of the inactive edge regions of the blanket is preferably started immediately after starting the machine.
  • the cooling capacity per revolution - in the inactive edge areas - should be closed at least approximately equal to the heating power per circulation.
  • each of the respective width of the edge regions adaptable (additional) cooling device is assigned to the above-defined edge regions of the blanket.
  • air or water jets be directed from nozzles to the inactive edge areas of the blanket.
  • pivotable nozzle bars carrying the nozzles in question may be provided.
  • the width of the edge areas to be cooled which is dependent on the width of the treated fabric, can be controlled by a sensor which senses the respective edge of the fabric.
  • Flat jet spray nozzles can be particularly well adapted to the respective measured width of the (inactive) edge area to be cooled.
  • Flat-jet spray nozzles the spray area of which is stretched on the treated area almost like a line, can be switched in stages depending on the edge width to be cooled. They also allow - among other things by rotation of the spray area (about an axis substantially perpendicular to the blanket blanket - a continuous adjustment to the width of the edge strips to be cooled when the flat jet and thus its spray area rotated according to the edge width or the beam spacing is varied.
  • a plurality of stationary nozzle bars can also be provided to adapt to the width.
  • the individual nozzle bar can be assigned to a specific overall width of the respective edge area and can be controlled separately, for example by a valve.
  • the nozzle bars can be equipped with flat jet nozzles. When using these nozzles, it is possible to align the spray area of the flat jet with a predetermined angle against the running direction of the blanket.
  • the respectively required number of stationary nozzle bars depends on the maximum size to be sprayed (to be cooled) of the respectively inactive area of the blanket, ie the ratio of the minimum width of the blanket to the blanket width.
  • the aforementioned spray angle, with which the spray area of the flat jet is inclined towards the edge of the blanket, should be adjusted separately for each nozzle bar, that is with a different orientation.
  • the angle at which the spraying area of the flat jet nozzles is inclined towards the blanket edge, at a first nozzle bar, which is associated with an inactive edge area of the blanket, for example 100 mm wide should be made relatively small.
  • the angle is made larger, namely made so large that the line-shaped straight spray area (obliquely) from one to another longitudinal edge of the edge region extends.
  • both the angle of the flat jet (measured against the edge of the cloth) and the number of nozzles can be selected to be increasingly larger on each additional, inner nozzle bar. If necessary, the same spraying distance and the same intensity are achieved for each spraying area.
  • the maximum edge width to be cooled in this way is predetermined by the length of the flat jet spray area.
  • the length can be adjusted by changing the distance between the nozzle and blanket to the edge width.
  • two or more nozzle bar groups of the aforesaid kind can be provided spaced from the length of a spraying area at the edges of the blanket.
  • water or air or generally liquid or gas
  • air cooling is the better metering
  • water cooling is the better efficiency; but the sprayed on the blanket water must be squeezed off before the cloth again runs into the area in which it is to exert the compressive crumple.
  • the inactive edge areas associated coolant may have a separately controlled or own coolant supply system in the manner of a countercurrent principle.
  • the same coolant eg
  • Fresh water are first used for final cooling of each treated edge areas.
  • the resulting return water is pumped around and used for precooling the same edge area.
  • Fig. 1 shows a rubber band Krumpfstrom in longitudinal section (perpendicular to the drawn cylinder axes).
  • the plant consists in principle of a heated master cylinder 1, against the lateral surface 2 an endless, stretched in its longitudinal direction blanket 3 is pressed. This is passed over the so-called pressure roller 4 and steering and deflection rollers 5, 6 in the indicated direction of travel 7.
  • the corresponding direction of rotation 8 of the master cylinder 1 is also indicated by an arrow.
  • the fabric web 9 to be shrunk runs in the indicated transport direction 10 via the pressure roller 4 into the so-called shrink nip 11, where the mechanical shrinkage takes place.
  • the mechanically induced shrinkage is fixed by the action of the heated master cylinder 1 with simultaneous pressing of the web 9 by means of the blanket 3 on the lateral surface 2.
  • the blanket 3 has a predetermined initial thickness to achieve a significant Krumpf bins. If the cloth becomes brittle, it must be sanded off. In order to reduce the speed of embrittlement, the blanket 3 is after the expiration of the lateral surface 2 cooled over its entire width by means of a water shower 12. The cooling may only be driven so far that the blanket 3 is still so warm during the subsequent re-arrival at the Krumpf-Nipp 11 that it can support the fixing process on the lateral surface 2 of the master cylinder sufficiently.
  • the applied with the water shower 12 liquid must be pressed before the arrival of the blanket 3 to the pressure roller 4 again to a defined residual moisture, for example with the aid of a pair of nip rollers 13.
  • Fig. 2 describes embodiments of additional cooling devices according to the invention as a plan view of the blanket 3 and can be viewed as a view in the direction of arrow II of Fig. 1. Accordingly, 3 stumps of the rollers 5 and 6 and the running in the transport direction 10 (finished shrunk and fixed) fabric 9 can be seen in Fig. 2 behind the blanket.
  • a (water) nozzle bar 16 which is pivotable about a support 14 about an axis 15 is shown in the right half.
  • This has a plurality of nozzles 17 which follow one another according to the drawing in the longitudinal direction of the beam 16 and may have a liquid supply line 18 with symbolically illustrated control valve 19.
  • the beam has a pivot drive 20, which is for example designed so that it can pivot the beam 16 in a predetermined manner about the axis perpendicular to the plane of the drawing axis 15.
  • the pivoting drive can be controlled by means of a sensor 21, which determines by removing the web edge (ultimately), how wide the individual of the fabric 9 on the blanket 3 uncovered edge regions 22 are respectively. With the help of the measurement results of the sensor 21, the pivot drive 20 can be controlled so that the beam 16 with its nozzles 17 each just cools the two edge regions 22 with water.
  • the air cooling beam 23 operates in the left half of Fig. 2. Also this beam can be mounted on the support 14 with its perpendicular to the drawing plane axis 24 and a (not drawn) pivot drive, which can be controlled by a sensor - similar to the sensor 21.
  • the air cooling beam 23 should have a plurality of, for example, as shown, side by side and in the longitudinal direction of the beam 23 successively arranged blowing or cooling nozzles 25. These cooling nozzles are directed by pivoting the beam 23 so on the blanket 3, that they only as possible cool the respective edge region 22. For this purpose, the cooling beam 23 can be moved in the illustrated pivoting direction 26 back and forth.
  • a doctor blade 28 (as well as on the beam 16) can be attached to the beam 23.
  • FIG. 3 and 4 show the adaptation of the cooling area to the fabric width when using a plurality of stationary nozzle bars, wherein the situation on the left blanket edge is described below. On the right edge of the blanket the spraying takes place mirror-inverted.
  • Figl 1 and 2 show the same parts as in Figl 1 and 2 as in Figl 1 and 2 as in Figl 1 and 2 as in Figl 1 and 2 as in Figl 1 and 2 as in Figl 1 and 2 referred to the same.
  • a collector 31 of Fig. 3 through which the coolant, e.g. Cooling water or cooling air, flows, go from several individual tubes 32.
  • the number of tubes 32 depends on the ratio of minimum fabric width to the blanket width.
  • Each of these tubes 32 is connected to a nozzle bar 33 a to e.
  • a check valve 34th Between the respective tube 32 and the associated nozzle bar 33 is a check valve 34th
  • each nozzle bar has four ports for screwing nozzles.
  • a fan jet nozzle 37a is screwed in a middle position.
  • two flat jet nozzles 37b are screwed in the second nozzle bar 33b seen from the edge 36.
  • two flat jet nozzles 37b are screwed in the third nozzle bar 33c seen from the edge.
  • three flat jet nozzles 37c are screwed in.
  • the fourth nozzle bar 33d is also equipped with three flat jet nozzles 37d.
  • nozzle 3 has four flat jet nozzles 37e.
  • other numbers of nozzles but also linearly increasing numbers of nozzles (first bar one nozzle, second bar two nozzles, third bar three nozzles, fourth bar five nozzles, etc.) or other spatial distributions of the nozzles can be provided in the various nozzle bars become.
  • the nozzles 33a-e on the blanket 3 produce long narrow spray areas 38a-e of Figures 3 and 4.
  • the nozzles of the various beams are aligned differently. 4, the spray angles w1 to w5 between flat fan nozzle 37a to e and spray area 38a to e and edge 36 of the rubber band are the same in each individual bar, but varying from bar to bar.
  • the nozzle 37a is aligned in the first nozzle bar 33a so that the angle w1 between the rim 36 and the spray area 38a becomes relatively small. In this way, a minimal narrow edge region 22a can be cooled.
  • the angle w2 between the spray area 38b and the edge 36 of the blanket 3 becomes larger than the angle w1 and the edge area to be cooled becomes correspondingly wider.
  • the angle w3 becomes even larger, etc.
  • an edge area 22b having a maximum width can be cooled. Due to the different number of Flachsttahldüsen 37 on each of the nozzle bar 33 and the different angle w is achieved that the intensity of the spray remains at a larger, bessprühendem, inassim edge region-22 of the blanket 3 approximately the same.
  • angles w1 to w5 can be selected, for example, such that with the flat jet nozzle 37a an inactive rubber strip of 100 mm on each Side sprayed and can be cooled. If the edge area is wider, for example 200 mm wide, the second nozzle bar 33b is switched on and the first nozzle bar 33a is switched off. For even wider edge areas, the next nozzle bars 33c to e are selectively activated. In the context of the invention, however, individual nozzle bars 33 can also be used at the same time for cooling the respective inactive edge area.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
EP04762333A 2003-07-04 2004-07-02 Verfahren zum kompressiven krumpfen und gummituch-krumpfanlage Expired - Lifetime EP1660709B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10330338A DE10330338B3 (de) 2003-07-04 2003-07-04 Verfahren zum kompressiven Krumpfen und Gummituch-Krumpfanlage
PCT/DE2004/001407 WO2005005706A1 (de) 2003-07-04 2004-07-02 Verfahren zum kompressiven krumpfen und gummituch-krumfanlage

Publications (2)

Publication Number Publication Date
EP1660709A1 EP1660709A1 (de) 2006-05-31
EP1660709B1 true EP1660709B1 (de) 2008-01-23

Family

ID=32668165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04762333A Expired - Lifetime EP1660709B1 (de) 2003-07-04 2004-07-02 Verfahren zum kompressiven krumpfen und gummituch-krumpfanlage

Country Status (9)

Country Link
US (1) US7171732B2 (pt)
EP (1) EP1660709B1 (pt)
JP (1) JP2007506867A (pt)
KR (1) KR20060059222A (pt)
CN (1) CN100335711C (pt)
AT (1) ATE384814T1 (pt)
BR (1) BRPI0407987A (pt)
DE (2) DE10330338B3 (pt)
WO (1) WO2005005706A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006008197U1 (de) * 2006-05-23 2007-09-27 Brückner Trockentechnik GmbH & Co. KG Vorrichtung zum Sanforisieren einer textilen Warenbahn
CN202242297U (zh) * 2011-10-13 2012-05-30 上海长胜纺织制品有限公司 冷转移印花机的预缩装置
CN103510332B (zh) * 2013-09-25 2015-12-09 江苏海大印染机械有限公司 一种能自动喷淋冷却橡胶毯的预缩整理机
CN105457394A (zh) * 2016-01-12 2016-04-06 南通联发印染有限公司 预缩机水回收系统
IT201700038512A1 (it) * 2017-04-07 2018-10-07 Red Carpet S R L Una macchina compattatrice

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL178346C (nl) * 1953-03-18 Riva Calzoni Spa Waterpeilstuurklep in een tank.
BE540276A (pt) * 1954-08-03
US2870038A (en) * 1954-10-18 1959-01-20 Bancroft & Sons Co J Method for imparting durable lusterized finish to fabric
BE630279A (pt) * 1956-11-23 1900-01-01
US3940833A (en) * 1973-04-26 1976-03-02 Cluett, Peabody & Co., Inc. Method for compressively shrinking textile fabrics at high speed
US4088731A (en) * 1976-07-28 1978-05-09 Clupak, Inc. Method of softening nonwoven fabrics
ZA834564B (en) 1982-06-30 1984-08-29 Sinter Ltd A process and device for preparing plastic-coated backing webs
ATE61425T1 (de) * 1988-07-18 1991-03-15 Santex Ag Verfahren und vorrichtung zum glaetten und schrumpfen.
US5791029A (en) * 1997-06-04 1998-08-11 United States Supply Company, Inc. Blanket construction for a compressive shrinkage apparatus
US6279211B1 (en) * 2000-05-04 2001-08-28 Milliken & Company Method for continuous conditioning of a blanket for a compressive shrinkage apparatus

Also Published As

Publication number Publication date
CN1701142A (zh) 2005-11-23
US7171732B2 (en) 2007-02-06
ATE384814T1 (de) 2008-02-15
DE10330338B3 (de) 2004-08-05
CN100335711C (zh) 2007-09-05
WO2005005706A1 (de) 2005-01-20
JP2007506867A (ja) 2007-03-22
EP1660709A1 (de) 2006-05-31
DE502004006062D1 (de) 2008-03-13
KR20060059222A (ko) 2006-06-01
BRPI0407987A (pt) 2006-03-07
US20060070216A1 (en) 2006-04-06

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