EP0790338B1 - Dispositif de réglage sur une machine de cardage - Google Patents

Dispositif de réglage sur une machine de cardage Download PDF

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Publication number
EP0790338B1
EP0790338B1 EP19970810074 EP97810074A EP0790338B1 EP 0790338 B1 EP0790338 B1 EP 0790338B1 EP 19970810074 EP19970810074 EP 19970810074 EP 97810074 A EP97810074 A EP 97810074A EP 0790338 B1 EP0790338 B1 EP 0790338B1
Authority
EP
European Patent Office
Prior art keywords
setting apparatus
tongue
setting
drum
shield
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
EP19970810074
Other languages
German (de)
English (en)
Other versions
EP0790338A2 (fr
EP0790338A3 (fr
Inventor
Beat Näf
Roland Bischof
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
Application filed by Maschinenfabrik Rieter AG filed Critical Maschinenfabrik Rieter AG
Priority to EP99122548A priority Critical patent/EP0984088B1/fr
Publication of EP0790338A2 publication Critical patent/EP0790338A2/fr
Publication of EP0790338A3 publication Critical patent/EP0790338A3/fr
Application granted granted Critical
Publication of EP0790338B1 publication Critical patent/EP0790338B1/fr
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
    • D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
    • 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

Definitions

  • the invention relates to an adjusting device on a card according to the preamble of claim 1.
  • Fig. 1 shows an arrangement known from EP-A-432430. It embraces itself below and along the drum roll 1 extending element 4 in the transition zone between the drum 1 and the customer 2. This element 4 is used for air guidance in the diverging gap between drum 1 and customer 2.
  • EP-A-432430 is an adjustment device 4, which is below and along the drum roll 1 on the side of the customer 2 extends (cf. FIGS. 1, 2 of EP-A-432430).
  • the adjustment device comprises a baffle, also called a tongue, and has the task of guiding the air in the diverging gap, to optimally control between the reel and the customer.
  • a baffle also called a tongue
  • the tongue 4 has a foot part 6, which is fastened to a support 8 by means of screws is, which in turn is firmly connected to a machine frame part 9 at a foot end is.
  • the tongue is adjusted with screws 7, which are in slots 10 in the foot part 6 are performed.
  • EP-A-432430 is not concerned with the question of access to the screws 7. Because of the sheathing of the card, which is necessary for a modern Machine is essential, access to the parts to be adjusted is difficult and at least requires that the sheathing in the lower area of the drum beforehand must be removed.
  • an adjustment device is from the prior art according to FIGS. 3 and 4 known, which is built into the applicant's card C50.
  • the tongue 4 is on one End arranged on a so-called convertible top segment 14, this segment forms an element of the corresponding drum shield, as described in more detail below is explained with reference to FIG. 5.
  • the segments 14, each provided on one side of the card are used to carry roof elements, e.g. from US 5142742 or EP-A-431482 can be found.
  • the screw 30 comprises a first part 30A, which is screwed into a threaded bore in the leg 11 and with a locking nut is provided.
  • the part 30A serves as a bearing surface for the second part 30B, which is shown in FIG a threaded hole in the leg 12 is screwed.
  • Part 30B is used for Spreading the legs 11 and 12, which are designed to be elastically bendable.
  • Screw 40 serves as a fastening or clamping screw.
  • the tongue 4 is by means of a separate screw (not shown) on the lower leg 12 attached.
  • the gap A to be set is between the tongue 4 and the cylindrical surface 1A of the mounted on the drum (not shown) Set.
  • the adjustment with screw 30 causes a displacement of the lower one Leg 12 and thus also the tongue 4 with respect to the drum surface 1A.
  • the gap A in FIG. 4 is thus adjusted at one end. It's on the other end the tongue provided the same arrangement, so that the gap A below the Drum roll across the entire working width of the drum using the two adjustment devices can be adjusted.
  • screw 30B If screw 30B is screwed in too much, it creates plastic (permanent) deformation, which may no longer allow a correct setting. Furthermore, the Clamp screw 40 deform leg 12.
  • the object of the invention in its first aspect is an adjusting device for a card, the adjustment of which is simplified. This task will solved with the features of claim 1.
  • the arrangement can be made in this way that access from the outside of the drum shield is guaranteed.
  • the invention also enables a simplified assembly of the adjusting device.
  • Embodiments of the invention have the advantage that access to the adjusting screw is simplified because this is turned on by the drum shield. Likewise is fixing the setting e.g. simplified with a lock nut of the adjusting screw, because the mother can lie on the drum shield.
  • Tongue fixing screw i.e. to the screw, with which the tongue on the thigh attached, is simplified because this screw through an opening in the drum shield is easily accessible with a tool.
  • FIG. 5 shows a revolving flat card 100 known per se, for example the card C50 by the applicant, shown schematically.
  • the fiber material is in the form of dissolved flakes are fed into the filling shaft 102 by a licker-in 103 (also called “Briseur”) adopted as a wadding and as a largely open and conveyed cleaned material to a drum 104 (also called “drum”).
  • the drum is driven so that it is on its own axis in the direction indicated by the arrow.
  • the fiber material forms on the cylindrical, with a surface (not shown) of the drum 104 Fleece that is in the "main carding zone" (between the drum 104 and a revolving cover set 105) is carded, with both short fibers and finer dirt particles removed and nits dissolved or removed.
  • the revolving covers are from a traction means and move around pulleys 106 in the opposite direction Direction of rotation of the drum 104, or in the same direction.
  • Fibers from the nonwoven fabric located on drum 104 are taken from a pick-up roll 107 removed and in a consisting of different rollers
  • the outlet section 108 is formed into a card sliver 109.
  • This tape is from one Tape storage 110 stored in cycloidal turns in a transport can 111.
  • the present invention is concerned with the design of the so-called "Sub-carding zone", i.e. with the drum section between the pickup roller 107 and the licker 103, and in particular with the transition zone drum / take-off roller. It is known that this transition is particularly delicate because can not be clearly predetermined whether a fiber on the drum with the Drum continues or detaches from it and combined with the removed fleece. As has already been explained with reference to FIGS. 1 to 4, it is therefore known To provide tools in the transition zone that are able to take the conditions in to influence the transition zone. It is important that the tool is adapted can be to adjust the ratios and that continuously during the Operation the set conditions over the entire working width of the transition zone (approx. 1 m) are observed.
  • FIG. 6 schematically shows a side view of a card frame with a substructure 112 and a drum shield 113.
  • the substructure 112 comprises two side walls 114 (only one of which can be seen in FIG. 6), each of which has an upwardly directed support surface 115 offer.
  • the assemblies, which are supported on this support surfaces 115 which contain working elements (such as drum 104, licker 103, etc.).
  • FIG. 6 only the assembly comprising the invisible drum 104 is indicated, since the other modules play no role in the invention.
  • the drum shield 113 includes a hub 116, in which the axis 117 of the drum is rotatably mounted.
  • the hub 116 is in one piece with a plate-shaped wall 118 cast, the various reinforcing ribs protruding outwards 6, for the sake of clarity only the ribs 119 are shown, those in two Skip support elements 120.
  • the elements 120 sit snugly on the support surfaces 115 and they are attached to the side walls of the base 114.
  • On the other On the side of the card is the second drum shield, a mirror image of that Shield 113 arranged.
  • the edge portion 121 of the wall 118 of each drum shield serves for fastening or positioning various elements that are connected to the Cooperate directly or indirectly in the processing of the fibers, i.e.
  • the Edge portion 121 In the main carding zone e.g. is the Edge portion 121 provided with a so-called flex bend (not shown), which as Serves as a sliding surface for the revolving cover in their workplaces - see e.g. in this context EP 787841 from 2.2.96.
  • the edge section 121 In the sub-carding zone the edge section 121 is provided with the so-called convertible top segment 14 (FIGS. 3 and 4), which is used to fasten the aforementioned elements.
  • the segment 14 extends over the entire sub-carding zone, since apart from the tongue 4 (FIG. 3) must wear different top elements (e.g. elements 50 according to US PS 5142742).
  • the following description only deals with a part of the drum shield 113, namely area 122 (FIG. 6) in the sub-carding zone on the take-off roller (not shown in Fig. 6).
  • the area 122 is shown isometrically but still schematically in FIG. 7. How one as can be seen is the outside of wall 118 (i.e. the side that also during remains accessible to the user during operation) between the ribs 119 and subsequently provided at the edge part 121 with a recess 123. In this recess 123 are adjustable elements according to the invention.
  • the convertible top segment 14 is designed as an arc and recorded in a receiving groove, which is in the edge section 121 in the sub-carding zone provided but is not visible in Figures 6 and 7.
  • the attachment of the bow 14A on the shield 113 is carried out by means of two bolts 126 which are mounted in respective threaded bores in lugs formed in one piece with the bow 14A 125 can be screwed (see also Fig. 9).
  • the bolts 126 pass through one each Opening in the bottom of the receiving groove, the opening being close to the take-off roller mouths in the recess 123 (Fig. 7).
  • the corresponding bolt 126 extends differ from its approach 125 to a rib 124 (Fig. 7) which acts as an anchor for serves the bow.
  • the arrangement of the recess or anchoring rib is also in close to the licker-in (not shown in Fig. 7), so that the two fastening bolts 126 can be attached to the sign in the same way. Accordingly, the bolts 126 are very easily accessible for adjustment units without dismantling convertible top parts or the like.
  • the bow 14A is largely designed as a rigid structure.
  • the setting of the bow 14A opposite the drum is therefore determined by the bolts 126, the arc 14A having a predetermined radius of its outer surface 14B is provided.
  • the convertible top elements are attached to this surface, but this is here is not described because it does not play a role for the invention in and of itself.
  • the bow 14A has an end part in the Form of an elastically bendable arm 12A.
  • the arm 12A is initially with the same radius as the stiff part of the bend 14A, but subsequently bent inward (biased) such that a tongue carried by arm 12A would strike against the cylindrical outer surface 1A of the drum when attaching the bow 14A, if the countermeasures described below had not been taken.
  • the bias of the arm 12A is shown in Fig. 9 by the broken line of the Armes 12A shown. The arm 12A would take up this "dashed position" if he wasn't prevented from doing so.
  • the striving of the arm 12A inwards is limited by a stop which is by the end of an adjusting screw 32 is formed.
  • the screw 32 is in a continuous Threaded hole screwed into the edge section 121 (see also Fig. 7) of the shield is provided, in such a way that the threaded bore is radial to the shield 113 between the recess 123 and the aforementioned groove in the Border stretches.
  • the radial position of the stop i.e. the outer end screw 32
  • can therefore be turned by rotating the screw relative to its bore can be changed, once a position is set by a lock nut 33 can be fixed.
  • the tongue is still at the end, i.e. on arm 12A attached to the bow.
  • the tongue could be fastened in principle using fasteners similar to the screw 40 in FIG. 4.
  • Such a solution would be but disadvantageous in combination with the new adjustment because it has some advantages of Adjustment itself does not have. There are therefore preferred solutions to the problem the tongue attachment are described below with reference to other figures.
  • the adjustment in the embodiment according to FIG. 9 thus differs from the arrangement 4 (i.e. according to the closest prior art) in that the upper leg 11 of the convertible top segment according to FIG. 4 has been omitted, so that the adjusting screw 32 (Fig. 9) with the shield (instead, according to Fig. 4, only with the Convertible top segment) works together. This has made it possible to use the screw 32 to perform through the edge portion 121 of the shield and it from the outside to make the shield accessible.
  • Fig. 10 the tongue 4A is also shown, this tongue in the form of a Continuous casting profile is formed.
  • the profile 4A is secured by means of a fastening means 34 (in 10, a screw 34) on the underside or outside of the arm 12A assembled.
  • the screw 34 extends through a bore (without thread) in the arm 12A and it is freely rotatable in it.
  • the screw 34 is held on the arm 12A by a hood 36, the Hood 36 itself is attached to arm 12A by a screw 37 such that it fits in groove 130 when installed.
  • the hood 36 is provided with an opening 39, to allow access to the screw head and the bottom 131 of the Edge section 121 is provided with a corresponding opening 41 so that access is guaranteed during operation.
  • the opening 41 can be provided with a closure 35 so that they are not contaminated by (e.g.) flight or even during operation is clogged.
  • the arrangement according to FIG. 10 is also clear with the conventional one Tongue construction can be used.
  • Fig. 11 basically shows the same elements as Fig. 10 and they are again if possible, the same reference numerals have been used.
  • the spring assembly is the Contact pressure between the tongue 4A (or 4) and the underside of the section 12A (especially near the screw 34).
  • the pull the screw 34 in the fastening point becomes independent of the tightening torque, that is exerted on the screw.
  • This allows the tongue to move during operation in its longitudinal direction (i.e. in the direction of the working width of the Machine) without expanding due to distortion from the selected adjustment deflect.
  • Such an expansion of the tongue must be expected since it is subjected to the entire width of the heated air of the carding area.
  • the tongue 4 has a nose 5, about which (according to EP-A-432430) more or less large air overflow in the direction of rotation of the customer 2 should arise.
  • the direction and intensity of the overflowing air could be adjusted by adjusting the "opening angle" ⁇ and can be changed by changing the distance A. No matter which adjustment device the same arrangement is provided at both ends of the tongue. so that the gap A below the drum roll over the entire working width of the drum can be set as precisely as possible using the two adjustment means can.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (11)

  1. Dispositif de réglage servant à influencer les conditions d'écoulement d'air dans la zone tambour/peigneur d'une carde, et où le dispositif de réglage est disposé sur le bouclier de tambour, et comprend un moyen de réglage pour varier les conditions d'écoulement d'air,
    caractérisé par le fait que le moyen de réglage (32, 12 resp. 12A) pénètre à travers le bouclier de tambour (113), de telle sorte qu'il soit accessible depuis le côté extérieur du bouclier.
  2. Dispositif de réglage selon revendication 1,
    caractérisé par le fait que, sur le bouclier de tambour (113), est prévu un segment de couverture (14) sur lequel des éléments de couverture peuvent être montés, et le dispositif de réglage est disposé sur le segment de couverture (14).
  3. Dispositif de réglage selon revendication 2,
    caractérisé par le fait que le dispositif comprend une langue (4; 4A) qui est fixée sur le segment de couverture (14).
  4. Dispositif de réglage selon revendication 3,
    caractérisé par le fait que l'accès vers la fixation de la langue (4; 4A) sur le segment de couverture (14) est garanti particulièrement par une ouverture (41) qui est pratiquée dans le bouclier de tambour (113).
  5. Dispositif de réglage selon l'une des revendications 2 à 4,
    caractérisé par le fait que le moyen de réglage (32, 12 resp. 12A) comprend une partie (12; 12A) du segment de couverture (14) pouvant être cintrée élastiquement, de telle sorte que le réglage peut être réalisé par le cintrage de la partie (12; 12A).
  6. Dispositif de réglage selon revendication 5,
    caractérisé par le fait que le segment de couverture (14) est réalisé comme un arc qui est rigide, à l'exception de la partie déformable élastiquement citée précédemment.
  7. Dispositif de réglage selon revendication 5 ou 6,
    caractérisé par le fait que la partie déformable élastiquement (12A) est précontrainte radialement, vers l'intérieur.
  8. Dispositif de réglage selon l'une des revendications précédentes,
    caractérisé par le fait que le moyen de réglage (32, 12 resp. 12A) comprend un élément (32) qui est prévu d'une manière déplaçable sur le bouclier de tambour.
  9. Dispositif de réglage selon revendication 8 et l'une des revendications 5 à 7,
    caractérisé par le fait que l'élément (32), pouvant être déplacé, sert de butée pour la partie pouvant être cintrée (12; 12A) du segment de couverture (14).
  10. Dispositif de réglage selon revendication 3,
    caractérisé par le fait que la langue (4; 4A) est fixée sur le segment de couverture (14), à l'aide d'un moyen de fixation (34).
  11. Dispositif de réglage selon revendication 10,
    caractérisé par le fait que le moyen de fixation (34) est pourvu d'un paquet ressort (38).
EP19970810074 1996-02-15 1997-02-12 Dispositif de réglage sur une machine de cardage Expired - Lifetime EP0790338B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP99122548A EP0984088B1 (fr) 1996-02-15 1997-02-12 Appareil de réglage dans une machine de cardage

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CH379/96 1996-02-15
CH37996 1996-02-15
CH37996 1996-02-15
CH452/96 1996-02-21
CH45296 1996-02-21
CH45296 1996-02-21

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP99122548A Division EP0984088B1 (fr) 1996-02-15 1997-02-12 Appareil de réglage dans une machine de cardage

Publications (3)

Publication Number Publication Date
EP0790338A2 EP0790338A2 (fr) 1997-08-20
EP0790338A3 EP0790338A3 (fr) 1997-10-29
EP0790338B1 true EP0790338B1 (fr) 2002-10-16

Family

ID=25684398

Family Applications (2)

Application Number Title Priority Date Filing Date
EP99122548A Expired - Lifetime EP0984088B1 (fr) 1996-02-15 1997-02-12 Appareil de réglage dans une machine de cardage
EP19970810074 Expired - Lifetime EP0790338B1 (fr) 1996-02-15 1997-02-12 Dispositif de réglage sur une machine de cardage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP99122548A Expired - Lifetime EP0984088B1 (fr) 1996-02-15 1997-02-12 Appareil de réglage dans une machine de cardage

Country Status (2)

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EP (2) EP0984088B1 (fr)
DE (2) DE59708464D1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5915509A (en) * 1996-04-05 1999-06-29 Maschinenfabrik Rieter Ag Method and device for regulating the sliver in a card
US6581248B1 (en) 1997-01-23 2003-06-24 Maschinenfabrik Rieter Ag Carding machine with drawing rollers at the outlet
EP0866153B2 (fr) 1997-02-24 2004-11-24 Maschinenfabrik Rieter Ag Machine de cardage à haute rendement
CN1993506B (zh) * 2004-08-03 2010-09-08 里特机械公司 梳理机上的装置和方法
CN104278366B (zh) * 2013-07-03 2016-03-30 江苏凯宫机械股份有限公司 多用途高速棉纺精梳机锡林装配机构

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1189372A (en) * 1967-02-15 1970-04-22 Carding Spec Canada Improvements in or relating to Carding Machines
US3787930A (en) * 1971-08-12 1974-01-29 Kendall & Co Process for randomizing card webs
US4257148A (en) * 1977-08-15 1981-03-24 John D. Hollingsworth On Wheels, Inc. Fiber transfer method
JPS5947730B2 (ja) * 1979-02-02 1984-11-21 株式会社豊田自動織機製作所 カ−ドの除塵装置
DE2943343C2 (de) 1979-10-26 1982-07-08 Trützschler GmbH & Co KG, 4050 Mönchengladbach Kardenrost unterhalb der Trommel einer Karde
DE3835776A1 (de) 1988-10-20 1990-04-26 Rieter Ag Maschf Karde mit modularer unterteilung der kardierzonen
DE3902202B4 (de) 1989-01-26 2004-09-23 Trützschler GmbH & Co KG Vorrichtung an einer Karde, bei der unterhalb der Trommel zwischen Abnehmer und Vorreißer Abdeckelemente angeordnet sind
CH681230A5 (fr) 1989-12-04 1993-02-15 Rieter Ag Maschf
EP0432430A1 (fr) 1989-12-11 1991-06-19 Maschinenfabrik Rieter Ag Appareil pour supporter le passage de la nappe de fibres du cylindre cardeur au cylindre detacheur
DE4328431B4 (de) * 1993-08-24 2006-02-02 Trützschler GmbH & Co KG Vorrichtung an einer Karde für Baumwolle, Chemiefasern u. dgl., die zwischen einem Abnehmer und zwei Quetschwalzen angeordnet ist
DE9420756U1 (de) * 1994-01-18 1995-09-28 Rieter Ag Maschf Kardenauslauf

Also Published As

Publication number Publication date
EP0984088B1 (fr) 2002-09-18
EP0790338A2 (fr) 1997-08-20
DE59708290D1 (de) 2002-10-24
DE59708464D1 (de) 2002-11-21
EP0984088A3 (fr) 2000-04-05
EP0790338A3 (fr) 1997-10-29
EP0984088A2 (fr) 2000-03-08

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