EP0431482B1 - Tambourverschalungssegment - Google Patents

Tambourverschalungssegment Download PDF

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Publication number
EP0431482B1
EP0431482B1 EP90122912A EP90122912A EP0431482B1 EP 0431482 B1 EP0431482 B1 EP 0431482B1 EP 90122912 A EP90122912 A EP 90122912A EP 90122912 A EP90122912 A EP 90122912A EP 0431482 B1 EP0431482 B1 EP 0431482B1
Authority
EP
European Patent Office
Prior art keywords
segment
casing
casing segment
card
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
EP90122912A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0431482A1 (de
Inventor
Daniel Erni
Paul Stäheli
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.)
Maschinenfabrik Rieter AG
Original Assignee
Maschinenfabrik Rieter AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4274442&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0431482(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Priority to EP95113196A priority Critical patent/EP0687754A3/de
Publication of EP0431482A1 publication Critical patent/EP0431482A1/de
Application granted granted Critical
Publication of EP0431482B1 publication Critical patent/EP0431482B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/28—Supporting arrangements for carding elements; Arrangements for adjusting relative positions of carding elements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/14—Constructional features of carding elements, e.g. for facilitating attachment of card clothing
    • D01G15/24—Flats or like members

Definitions

  • pre-carding, post-carding and sub-carding zones have been defined in our German patent application No. 3835776.
  • These elements are usually provided as individual rods, which can be grouped into mounting units using mounting plates (see our European patent application No. 336221).
  • the object of the present invention is to develop such a segment in such a way that weight (material) can be saved while ensuring the required rigidity of the segment and when the formwork function is performed, the segment being easy to manufacture and to handle.
  • the solution to this problem results from the characterizing features of claim 1.
  • a card is known from DE-B-1118662, in which the movable flat bars and their associated mechanism of a revolving flat card are replaced by a fixed cover consisting of a number of cover plates.
  • the cover plate is formed from a granular surface, which is divided into numerous interrupted areas, and from upstanding ribs arranged on the side. The ribs serve to stiffen and fasten the cover plate to the fixed card frame.
  • a cover plate bridges the side ribs and the ribs at the ends of the cover plate, whereby a closed space is formed. This space serves to interrupt the air flow between the reel and cover plates and thus increase the contact between the fibers and the granular surfaces. Due to the massive construction of the ribs, there are obviously no stability problems. The material of the cover plate and the type of connection of the cover plate with the ribs has not been specified.
  • the segment can be made particularly thin-walled, which enables significant weight savings.
  • the segment can be formed to hold 2 to 10 fiber processing elements. With 3 elements, two longitudinal channels can be provided, fastening means for the three elements then being able to be provided in the side walls of the channels.
  • Each segment of the drum casing can extend over a predetermined angular distance, so that segments of different types can be exchanged in their positions around the drum (see our German patent application No. 38 35 776).
  • the segment can be produced as an extruded profile, preferably made of light metal.
  • a profile can be produced with such high accuracy that no reworking of the surfaces is necessary.
  • the end parts of the segment can be formed for cooperation with an adjustment means present on the frame during operation, so that the fiber-processing elements are adjusted with respect to the drum by adjusting the segment. This can e.g. by a pivoting movement of the segment about a predetermined axis.
  • the end parts can then be provided with means for defining this setting axis.
  • a suspension can then also be provided for each segment, which is provided with a built-in adjusting means.
  • the suspension comprises a means which, when actuated (usually manually), accomplishes the required pivoting movement about said axis.
  • Such a suspension preferably comprises two adjusting means, each of which cooperates with an end part and is each arranged between its corresponding end part and the frame of the card.
  • the segment must be connected to its suspension on the adjustment axis and a second connection to the suspension is necessary in order to carry out the pivoting movement.
  • This second connection can have an eccentric, so that the setting by turning the eccentric he follows.
  • at least one locking element can also be provided in order to fix a setting once it has been made.
  • inventive segments are particularly suitable for use in a dirt separating device of a type according to our European patent application No. 0/388 791A1, i.e. (according to the preamble of claim 1 of the said application) in a device for separating dirt from a non-woven fabric located on a rotating toothed roller, by means of a stationary separating knife which is opposed to the rotational movement of the toothed roller, but is adjustable in the radial direction of the toothed roller, and an in Seen the direction of rotation of the toothed roller, the preparation knife upstream and also stationary, in the radial direction of the toothed roller also adjustable preparation element, wherein a separation gap remains free between the preparation element and the separation knife.
  • a drum formwork segment according to this invention can carry the preparation element and a second segment according to this invention can carry the excretion knife.
  • the separation gap is preferably covered by a suction channel.
  • a suction channel can be attached to one or to the other segment, or to both.
  • FIG. 1 shows a schematic side view of the reel 30 of a card, the end parts 32, 34 of a revolving cover arrangement which defines the main carding zone, a beater 36 and a customer 38.
  • the direction of rotation of the reel about its axis A is indicated by the arrow D.
  • the device 39 comprises two drum shuttering segments 42, 44 which should be described in more detail below.
  • the post-carding zone (between the inlet end 32 of the revolving cover arrangement and the pick-up 38) is provided with a further dirt separating device 46 which is interchangeable with the device 39 and should therefore not be described individually.
  • a dirt separating device 48 In the sub-carding zone (between the pickup 38 and the beater 36) there is also a dirt separating device 48 and four drum shuttering segments 50.
  • Device 48 can be exchanged with the two devices 39 and 46 and the segments 50 can be exchanged with the segment 40.
  • Fig. 2 shows the adjoining segments 50, 42 on a larger scale.
  • the simpler segment 50 (which is not formed according to this invention) comprises a first plate-shaped part 52 and a second plate-shaped part 54, which comprises two flat side sections 56 and a curved central section 58.
  • the plate-shaped parts 52, 54 are connected to one another via side walls 60 and intermediate walls 62 in order to form three longitudinal channels 64.
  • the segment extends with a constant cross-section over the entire width (axial length) of the reel 30 and it is fastened to the side plates of the card (the card frame) using suitable fastening means (to be described below).
  • the segment 50 is produced as an extruded profile made of light metal (eg aluminum).
  • the shape of the segment enables a very thin-walled construction which nevertheless has the required rigidity of the segment over the entire working width enables.
  • the wall thickness of the segment 50 can be, for example, in the range 2 mm to 8 mm.
  • the stiffness of the segment is important in order to keep a once defined setting of the fiber guide or fiber guide surface 66 as constant as possible over the entire working width in relation to the clothing mounted on the reel.
  • This fiber guide surface 66 forms the outer jacket surface from the working area of the card over the angular range W corresponding to segment 50 (FIG. 1, shown for the identical segment 40) of the pre-carding zone (for the meaning of such an angular range see our German patent application 3835776).
  • the stiffening of the fiber guide part 52 given by the plate-shaped part 54 enables close tolerances in the setting of this guide part to be maintained, despite the thin-walled construction, which results in weight and material savings.
  • the more complex segment 42 (which is formed according to this invention) also includes an inner plate-shaped part 70 and an outer plate-shaped part 78. These parts are connected to one another by a side wall 72, a side wall 74 and an intermediate wall 76 to form two longitudinal channels 78 .
  • the segment 42 is also made as an extruded profile made of light metal. This design also gives segment 42 the advantages of low weight and high rigidity.
  • the segment 42 does not serve directly as a fiber influencing element, but rather as a carrier for the actual working elements which are to be fixed to the part 68.
  • Such elements are well known to the person skilled in the art and will therefore not be described in detail here.
  • they comprise three rods 78A, 78B and 78C (indicated by dashed lines) which are fastened to the part 68 by screws (not shown).
  • the fastening screws (not shown) for the upper rod 78C extend through a series of bores 80 (indicated by dashed lines, only one bore 80 is visible in FIG. 2) in the side wall 74.
  • the side wall 72 is also provided with a series of holes 84 for receiving fastening screws for the lower rod 78C.
  • the three rods can each be provided with a fiber-processing set, as shown, for example, in Swiss Patent No. 662824 has been. This set can be, for example, a needle set or a saw tooth set.
  • the contact surfaces for the three rods on part 68 are matched to the curvature of the drum so that the width of each rod extends perpendicular to a respective radius of the drum when the segment is optimally adjusted.
  • the side wall 72 is provided with an extension 86, which has a longitudinal groove 88 in its surface facing the segment 40.
  • the groove 88 contains an elastomeric sealing element 90, e.g. a hollow body.
  • the segments 50, 42 and 40, 42 are mounted next to one another on the card in such a way that the sealing element 90 is in contact with a lip 92 on the segment 50, 40.
  • the segment 50, 40 also has a longitudinal groove 94 next to the lip 92 and is provided with its own sealing element 96, which is also in contact with the sealing element 90 from the segment 42. Leakage flows between the segments (50) 40, 42 can thereby be largely prevented, which means better control over the air balance over the working area of the card. This also prevents contamination of the environment of the drum.
  • the gaps between adjacent segments can also be sealed.
  • the sealing element 96 already described also serves a further sealing element 98 (FIG. 2) in a groove 100 which opens in the opposite direction with respect to the groove 94.
  • the wall 74 is also provided with an extension 102 which has a surface 104 which is oblique to the radial plane of the drum. This surface 104 can serve as a support surface for a dirt separating knife (106) (FIG. 3).
  • the knife 106 has a through bore 108 and a screw 110 extends through this bore 108 into a threaded bore 110 (FIG. 2) in the extension 104 of the segment in order to fasten the knife to this extension.
  • FIG. 3 shows part of a dirt separating device which can work, for example, according to the principle of the above-mentioned European patent application No. 0 388 791 A1.
  • This device comprises two segments, of which one segment 42 has already been described and the second segment 44 is very similar in construction to the first segment 42, but is mounted opposite the card in the opposite sense, so that the surface 104 (FIG. 2) from segment 42, one Surface 104A facing segment 44.
  • the segment 44 has an abbreviated extension 102A and the two segments 42, 44 are placed side by side in such a way that a gap 112 between the two extensions 102, 102A remains open.
  • This gap 112 serves as an access opening to a suction channel 114, which is held by a resilient holding element 116 in contact on the one hand with the surface 104A of the segment 44 and on the other hand with the knife 106.
  • the holding element 116 is attached to the segment 44 by a suitable means (not shown).
  • the suction channel 114 is in the form of a tube, which extends over the entire working width of the card and is provided with an opening 118 opposite the gap 112.
  • the mode of operation of this dirt separating device is generally known and will not be described in more detail here, since this invention is not directed towards the principle of the dirt separating method, but rather towards the construction of the dirt separating device.
  • the suspension of the segments on the frame of the card will now be described with reference to FIGS. 4 and 5.
  • the segments 40, 50 can be attached to the frame without difficulty by means of fastening screws (not shown) and bores in the end parts of the segment.
  • the accuracy of the manufacture of the segment and its rigidity make it possible to dispense with more complicated adjustment means.
  • a special suspension with an adjusting means has been designed for the segments 42, 44, as will be described below with reference to FIGS. 4 and 5.
  • FIG. 4 shows an end part of segment 42, viewed in the direction of arrow IV (FIG. 3), together with the corresponding suspension, which has been indicated generally by reference number 120.
  • 5 shows the suspension alone, viewed in the direction of arrow II of FIG. 4.
  • the end face 122 of the segment 42 is provided with two bores 124, 126 extending in the longitudinal direction of the segment.
  • a bolt 128 is pressed into the bore 126 and thereby mounted in the segment 42.
  • the other bore 124 serves to receive a second bolt 130, which forms part of the suspension 120.
  • the other end part of the segment 42 not shown, is also provided with two bores provided that each run coaxially with a bore 124, 126 and thus define two longitudinal axes 132, 134.
  • the suspension 120 see also FIG.
  • the plate 136 comprises a fastening plate 136 which is fastened to a bearing plate 140 of the card by screws 138.
  • the plate 136 has a hub 142 with a bore (not indicated) which extends in the radial direction of the drum and which is provided with a thread.
  • the suspension 120 further comprises an adjusting device with a hub part 144 and two wings 146, 148.
  • the hub part 144 has a threaded through-bore (not particularly indicated) with a corresponding hollow adjusting screw 150.
  • the annular end face of this adjusting screw 150 abuts the hub 142 from the mounting plate 136.
  • a fixing screw 152 extends through the through hole of the set screw 150 to cooperate with the thread of the hub 142. When the fixing screw 152 is loosened, it is possible to change the setting of the hub part 144 relative to the fastening plate 136 by turning the adjusting screw 150. This newly defined setting can then be locked with the fixing screw 152.
  • the wing 146 is provided with a slide bearing 154 for receiving the bolt 128.
  • the wing 148 also has a slide bearing for receiving an axis 158 which is formed in one piece with the aforementioned bolt 130, but has a longitudinal axis 160 which is not in alignment with the axis 132, so that the parts 130, 158 together form an eccentric Form adjustment device.
  • the part 158 is provided with an extension 162 for cooperation with an adjustment tool and with locking nuts 164.
  • both bolts 128, 130 are moved in approximately radial directions with respect to the drum.
  • This setting can be carried out in such a way, for example with the aid of a suitable teaching, that the clothing of the rod 78A adjacent to the pin 128 (for FIG. 2) is at a desired distance from the clothing of the drum. In all likelihood, however, the sets of the other two rods 78B and 78C are not at the desired distance from the drum set. However, the bolt 128 can still be fixed in this setting by actuating the fixing screw 152.
  • the desired setting of the other clothing rods is then achieved by rotating the eccentric device 130, 158, the axis 130 rotating about the axis 160 and thereby the Segment 42 pivots about axis 134. Because the axis 134 lies vertically above the center point of the clothing strip 78A, the actuation of the eccentric has no significant influence on the setting of 78A.
  • the overall setting can be fixed with locking screws 139, which extend through lugs 137 of the plate 136 into end parts 141 of the two wings 146, 148.
  • the lugs 137 have slot-shaped holes to receive the screws.
  • Fig. 3 also shows an adjustment device for the knife 106, which is attached to the suspension for the segment 42.
  • Each set screw 150 of this suspension carries a holding element 166 which carries a respective screw 168 adjustable in the holding element. This screw cooperates with a threaded bore (not indicated) provided in the end of the knife 106.
  • the screw 168 in the holding element 166 By adjusting the screw 168 in the holding element 166, the free end of the knife 106 can be adjusted after loosening the fastening screws 110 relative to the clothing elements.
  • the hole 108 in the knife 106 is therefore slit-shaped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP90122912A 1989-12-04 1990-11-30 Tambourverschalungssegment Expired - Lifetime EP0431482B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP95113196A EP0687754A3 (de) 1989-12-04 1990-11-30 Tambourverschalungssegment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4349/89A CH681230A5 (enrdf_load_stackoverflow) 1989-12-04 1989-12-04
CH4349/89 1989-12-04

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP95113196.0 Division-Into 1990-11-30

Publications (2)

Publication Number Publication Date
EP0431482A1 EP0431482A1 (de) 1991-06-12
EP0431482B1 true EP0431482B1 (de) 1996-07-03

Family

ID=4274442

Family Applications (2)

Application Number Title Priority Date Filing Date
EP90122912A Expired - Lifetime EP0431482B1 (de) 1989-12-04 1990-11-30 Tambourverschalungssegment
EP95113196A Withdrawn EP0687754A3 (de) 1989-12-04 1990-11-30 Tambourverschalungssegment

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP95113196A Withdrawn EP0687754A3 (de) 1989-12-04 1990-11-30 Tambourverschalungssegment

Country Status (5)

Country Link
US (1) US5142742A (enrdf_load_stackoverflow)
EP (2) EP0431482B1 (enrdf_load_stackoverflow)
JP (1) JPH03180516A (enrdf_load_stackoverflow)
CH (1) CH681230A5 (enrdf_load_stackoverflow)
DE (1) DE59010402D1 (enrdf_load_stackoverflow)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4326203C1 (de) * 1993-08-04 1995-02-02 Graf & Co Ag Kratzenbeschlag für Deckel einer Krempelmaschine
DE4338564A1 (de) * 1993-11-05 1995-05-11 Priamos Licht Ind & Dienstleis Steuerschaltung für Halb- oder Vollbrückenwechselrichter
EP0790338B1 (de) 1996-02-15 2002-10-16 Maschinenfabrik Rieter Ag Einstellvorrichtung an einer Karde
DE59804953D1 (de) 1997-02-24 2002-09-05 Rieter Ag Maschf Hochleistungskarde
DE19809330B4 (de) * 1998-03-05 2009-05-07 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde, bei der einer Walze, z. B. Trommel, mindestens ein ortsfestes Kardiersegment zugeordnet ist
EP0959157A1 (en) * 1998-05-18 1999-11-24 Gerhard Mandl Stationary flat system for carding machines
DE59907726D1 (de) 1998-05-26 2003-12-18 Rieter Ag Maschf Schmutzabfuhr
JP2002180335A (ja) * 2000-12-11 2002-06-26 Truetzschler Gmbh & Co Kg カードに設けられる装置
DE10110824A1 (de) 2000-12-11 2002-06-13 Truetzschler Gmbh & Co Kg Vorrichtung an einer Karde, Reinigungsmaschine, Öffnungsmaschine o. dgl., für Fasermaterial, z. B. Baumwolle, Chemiefasern
DE10318968A1 (de) * 2003-04-26 2004-11-11 Trützschler GmbH & Co KG Vorrichtung an einer Karde, bei der einer Walze, z.B. Trommel, mindestens ein ortsfestes Kardiersegment aus einem Träger mit mindestens zwei Kardierelementen zugeordnet ist
DE102005005222B4 (de) 2005-02-03 2018-06-07 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Spinnereivorbereitungsmaschine, insbesondere Karde, Krempel o. dgl., bei der einer garnierten Walze ein Maschinenelement gegenüberliegt
DE102005005200B4 (de) 2005-02-03 2021-09-16 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Spinnereivorbereitungsmaschine, bei der der Garnitur einer Walze ein Maschinenelement gegenüberliegt
DE102005012251B4 (de) * 2005-03-15 2019-05-09 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Karde zur Verarbeitung von Textilfasern, z. B. Baumwolle, Chemiefasern u. dgl. mit einer Trommel
DE102005055915A1 (de) 2005-11-22 2007-05-24 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde oder Krempel zum Schleifen einer auf einer rotierenden Walze aufgezogenen Garnitur mit einer Trageinrichtung
DE102009042464A1 (de) 2009-09-23 2011-03-31 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde oder Krempel, bei der mindestens ein Festkardierelement vorhanden ist
DE102009042367A1 (de) 2009-09-23 2011-03-24 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde oder Krempel, bei der mindestens ein Festkardierelement vorhanden ist
CN102953162B (zh) 2011-08-24 2020-01-21 休伯特·赫格思 梳理支架

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GB2100305A (en) * 1981-06-13 1982-12-22 Carclo Eng Group Plc Card-clothed elements for textile machines
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DE3811679A1 (de) 1988-04-07 1989-10-19 Rieter Ag Maschf Befestigung fuer einen stationaeren deckel einer karde
DE3835776A1 (de) 1988-10-20 1990-04-26 Rieter Ag Maschf Karde mit modularer unterteilung der kardierzonen
CN1022337C (zh) * 1989-03-23 1993-10-06 里特机械公司 纤维网除尘器

Also Published As

Publication number Publication date
CH681230A5 (enrdf_load_stackoverflow) 1993-02-15
EP0431482A1 (de) 1991-06-12
US5142742A (en) 1992-09-01
JPH03180516A (ja) 1991-08-06
EP0687754A3 (de) 1996-03-13
DE59010402D1 (de) 1996-08-08
EP0687754A2 (de) 1995-12-20

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