EP3864203B1 - Karde mit einer vorrichtung zur einstellung des spaltes zwischen ortsfesten elementen und einer trommel - Google Patents

Karde mit einer vorrichtung zur einstellung des spaltes zwischen ortsfesten elementen und einer trommel Download PDF

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Publication number
EP3864203B1
EP3864203B1 EP19749699.5A EP19749699A EP3864203B1 EP 3864203 B1 EP3864203 B1 EP 3864203B1 EP 19749699 A EP19749699 A EP 19749699A EP 3864203 B1 EP3864203 B1 EP 3864203B1
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EP
European Patent Office
Prior art keywords
elements
carding
drum
suction hoods
extension
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.)
Active
Application number
EP19749699.5A
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German (de)
English (en)
French (fr)
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EP3864203A1 (de
Inventor
Dietmar Flock
Alexander Hohn
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.)
Truetzschler Group SE
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Truetzschler Group SE
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Publication date
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Publication of EP3864203A1 publication Critical patent/EP3864203A1/de
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    • 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

  • the present invention relates to a carding machine with a device for adjusting the gap between stationary carding elements, suction hoods or separating knives and a drum, the stationary carding elements, suction hoods or separating knives interacting with at least one arcuate sliding strip, which is attached to one side of the drum by means of an extension bow Side plate are arranged, each sliding strip being wedge-shaped and displaceably arranged on a mutually aligned wedge-shaped surface of the extension arch, the sliding strip being adjustable and fixable on the extension arch by means of an adjusting device.
  • the DE 10 2005 052 142 A1 describes an extension bow that can be adjusted in radius to the drum.
  • the radius of the extension arch can be adjustable in distance from the drum using an adjusting spindle, so that the fixed elements arranged thereon also change their distance from the drum.
  • the DE 198 31 139 B4 describes an extension arch whose outer radius can be changed in the form of two wedge strips that can be moved in opposite directions. Fixed carding elements are arranged on this extension arch, the distance from which changes to the drum as the wedge strips are moved. The fixed carding elements are fastened using a tension band that is attached to the back of all associated fixed carding elements. Here too, each stationary element must be fixed separately.
  • the object of the invention is to develop an adjustment device for stationary elements of a card, with which the distance from the drum can be precisely adjusted.
  • the card has a device for adjusting the gap between stationary carding elements, suction hoods or separation knives and a drum, whereby the stationary carding elements, suction hoods or separating knives cooperate with at least one arcuate sliding strip, which are arranged on a side plate on both sides of the drum by means of an extension arc, each sliding strip being wedge-shaped and displaceably arranged on a mutually aligned wedge-shaped surface of the extension arc, the sliding strip can be adjusted and fixed on the extension bow using an adjusting device.
  • the invention includes the technical teaching that the carding elements, suction hoods or separation knives are arranged with a preload on the slide bar and can be adjusted against the preload at a distance from the drum. With the pretension, the elements are held on the slide bar with sufficient force, but can still be adjusted in the carding gap if the slide bar is moved without having to loosen a fastener.
  • the pre-tension is such that even larger chunks of fiber in the pre-carding zone do not allow the elements to lift off the slide bar. With the invention, a complete automatic adjustment of the carding gap in the pre-, main and post-carding zone is possible.
  • the carding elements, suction hoods or separation knives are connected to the extension arch by means of at least one fastening element.
  • the attachment of the elements to the extension arch ensures that they are arranged in a fixed position relative to the drum, with the sliding strip being adjustable between the elements and the extension arch. This ensures that the elements can only be adjusted at a distance from the drum.
  • the at least one fastening element surrounds or extends through the sliding strip ensures that the sliding strip can be moved.
  • the preload is preferably generated by spring elements, or hydraulic or pneumatic elements.
  • the size of the preload is therefore adjustable and can be adapted to the operating conditions.
  • the spring elements or the hydraulic or pneumatic elements for generating the preload can be designed in such a way that the preload force is reduced or canceled during the displacement of the slide bar in order to reduce the friction that occurs between the elements and the slide bar.
  • the spring force can be reduced or canceled using a pneumatic element.
  • the pressure can be reduced to generate the preload.
  • the sliding strip has at least one recess or an elongated hole through which the at least one fastening element passes.
  • the fastening element used is, for example, a cylindrical body such as a bolt or a screw, which corresponds to the recess or the elongated hole. Even if the sliding strip is not guided in a groove of the extension bend, but rather a different version is chosen, this combination will ensure that the sliding strip is guided sufficiently.
  • the at least one fastening element can be designed as a screw, clamp or sliding block, which passes through or surrounds the slide strip.
  • a different distance can be set between the carding elements, suction hoods or separation knives and the drum after the basic setting.
  • the distance between the carding elements and the drum can be set to, for example, 1/10 mm, but the distance between the separation knife and the drum to 2/10 mm.
  • the adjustment device can be operated manually or by motor. Because the adjusting device can be controlled by a control with which the gap between the carding elements, suction hoods or separation knives and the drum can be determined and adjusted, a card with fully automatic carding gap adjustment in the pre-carding, main and post-carding zones can be realized.
  • Fig. 1 shows a card 100 according to the prior art, in which fiber flakes are guided via a shaft to a feed roller 1, a feed table 2, via several licker-ins 3a, 3b, 3c, to the drum 4 or the reel.
  • the fibers of the fiber flakes are parallelized and cleaned by means of fixed carding elements 20, suction hoods and separation knives and by means of rotating carding elements 14 arranged on a revolving cover system 17.
  • the resulting fibrous web is subsequently conveyed via a take-off 5, a take-off roller 6 and several squeezing rollers 7, 8 to a fleece guiding element 9, which forms the fibrous web with a funnel 10 into a sliver, which is fed via take-off rollers 11, 12 to a subsequent processing machine or a Pot 15 hands over.
  • the carding elements 14 are adjusted to the drum 4 (carding gap). via sliding strips that have wedge-shaped elements aligned with one another.
  • an extension arc 30 is arranged on both sides of the card 100, which essentially has the radius of the drum 4.
  • the extension bow 30 is arranged on both sides of the drum 4 on the side plate, not shown, and is attached to it in a detachable or non-detachable manner.
  • the extension bow 30 can also be cast or welded to the side plate.
  • the carding elements 20 shown here have end plates 21 on both sides, which can be adjusted in height and inclination by means of fastening elements 23 on a base plate 22. This is used to set the basic setting of the distance between the carding elements 20 and the drum 4.
  • the necessary pretension between the end plate 21 of the carding element 20 and the base plate 22 is generated via a spring element 24.
  • the distance is not adjusted using the base plate shown here, but rather using other adjusting elements.
  • the base plates 22 are attached to the extension arch 30 by means of fastening elements 33. Since the distance between each carding element 20, suction hood and separation knife can be set differently from the drum, so-called spacer elements 35 can optionally be used, with which further fine adjustment is carried out after the basic setting.
  • the spacer elements 35 are inserted at the front between the base plate 22 and the extension arch 30. To better distinguish the distance elements 35 from one another, they can be designed in different colors, with each color being assigned a separate distance or distance area.
  • Suction hoods and separation knives are also attached to the extension arch 30 using base plates 22 and fastening elements 33.
  • Each extension arch 30 can have a groove 30a in which a wedge-shaped slide strip 31 is arranged.
  • the surface of the groove 30a is also wedge-shaped and interacts with the wedge-shaped slide strip 31 in opposite directions. The tips of the wedges are aligned towards each other.
  • the wedge-shaped sliding strip 31 can be moved within the groove 30a, so that the outer surface 31a of the sliding strips 31 has a larger or smaller distance from the groove base, which means that the radius of the surface of the sliding strip 31 also changes at the same time. This change in distance can be used to adjust the distance of the carding element 20 to the drum 4, which is attached to the extension sheet 30 on both sides via the base plates 22.
  • the carding elements 20 are connected in a stationary manner to the extension arch 30 through the base plates 22 by means of fastening elements 33, the displaceable slide strip 31 being arranged between the base plates 22 of the carding elements 20 and the extension arch 30. So that the sliding strip 31 can be moved in the groove 30a of the extension arch 30 without loosening the fastening elements 33, the carding elements 20 are applied to the sliding strip 31 by means of a pretensioning force pressed. When the slide bar 31 is adjusted, the frictional force between the wedge bar and the wedge-shaped groove is increased by the pretensioning force, but this ensures that the base plates 22 of the carding elements 20 always rest on the slide bar 31.
  • the carding elements 20 are therefore fixed in place in a radial orientation by the fastening elements 33, and their position can be changed in the direction of the drum 4 - that is, axially to the fastening element 33.
  • the pretensioning force can be reduced at or during the displacement of the slide bar 31 by reducing the pressure in pneumatic or hydraulic pretensioning elements.
  • the spring 24 shown in this exemplary embodiment can be relieved for the adjustment process, for example by means of a pneumatic pressure cushion.
  • Each carding element 20, suction hood and separation knife has a separate element for generating the pre-tensioning force, which is individually adjustable. This means that each carding element 20, suction hood and separation knife can be adjusted separately and independently of the others at a distance from the drum.
  • the structural design of this exemplary embodiment provides that the slide strips 31 have elongated holes 32 or grooves through which the fastening elements 33 pass and thus connect the base plate 22 to the extension arch 30.
  • the base plates 22 are arranged on the sliding strip 31 under force or with prestress and can therefore be adjusted in height to the extension arch 30 by means of the sliding strip 31.
  • the easiest way to apply the force or preload is to use springs 34, which interact with the fastening elements 33.
  • pneumatic or hydraulic actuating elements can also be used for force loading or pre-tensioning.
  • the force elements can be arranged on the outer radius of the extension arch, or on the Inside radius.
  • the carding elements 20 are arranged in a stationary manner due to the attachment to the extension arch 30, but are adjustable in height or at a distance from the extension arch 30.
  • the adjustment is carried out by means of the adjusting device 36 by moving the wedge-shaped slide bar 31, which takes place against the force load or preload of the springs 34.
  • the change in the radial gap between the carding element 20 and the drum can be read and checked on the adjustment scale 37.
  • the sliding strip 31 can be adjusted manually or by means of a motor drive. Both variants can be covered by an adjusting device 36.
  • the motorized adjustment of the slide bar 31 can be controlled by means of a control that detects the gap between the carding element 20, the suction hoods and/or the separation knife.
  • clips or sliding blocks that overlap the sliding strip 31 can also connect the carding elements 20 to the extension sheet 30 in a stationary manner, with the sliding strip 31 then being displaceably arranged underneath.
  • the clamps or sliding blocks can also be pressed onto the slide strip 31 using compression or disc springs, or using pneumatic or hydraulic pretension or force.
  • the extension arch 30 has an arcuate guide in the area of a lateral end face, which can be designed as an elongated hole 30b, the guide extending over an arc of up to 20° on the circumference of the extension arch 30.
  • the depth of the elongated hole 30b only extends to approximately the middle of the cross section of the extension arch 30.
  • a guide element 38 is slidably arranged within the elongated hole 30b and can be fixed in a clamping manner via a pin 39 with a fastening element 40.
  • the Guide element 38 can be designed, for example, as a sliding block.
  • the guide element 38 can also be slightly bent in accordance with the arcuate elongated hole 30b in order to prevent jamming.
  • a further elongated hole 30c is arranged orthogonally to the elongated hole 30b within the extension arch 30, which extends from the groove 30a to the elongated hole 30b.
  • the elongated hole 30c extends over the same arc or circumference as the elongated hole 30b and accommodates a driver 41, which is fastened in the guide element 38 and is guided in the elongated hole 30c.
  • the driver 41 protrudes with its head above the surface of the groove 30a.
  • the head 41a of the driver 41 in turn engages without play in a receptacle or hole in the slide bar 31.
  • the head 41a of the driver 41 can be designed as a spherical cap or ball head.
  • two drivers 41 can also be connected and arranged with the guide element 38 at a distance from one another within the elongated hole 30c.
  • the exemplary embodiments are not limited to the adjustability of carding elements, but can also be used for suction hoods and separation knives are used, the distance from which to the card drum should be adjusted during operation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP19749699.5A 2018-10-09 2019-08-01 Karde mit einer vorrichtung zur einstellung des spaltes zwischen ortsfesten elementen und einer trommel Active EP3864203B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018124878.4A DE102018124878B3 (de) 2018-10-09 2018-10-09 Karde mit einer Vorrichtung zur Einstellung des Spaltes zwischen ortsfesten Elementen und einer Trommel
PCT/EP2019/070770 WO2020074149A1 (de) 2018-10-09 2019-08-01 Karde mit einer vorrichtung zur einstellung des spaltes zwischen ortsfesten elementen und einer trommel

Publications (2)

Publication Number Publication Date
EP3864203A1 EP3864203A1 (de) 2021-08-18
EP3864203B1 true EP3864203B1 (de) 2023-10-04

Family

ID=67544236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19749699.5A Active EP3864203B1 (de) 2018-10-09 2019-08-01 Karde mit einer vorrichtung zur einstellung des spaltes zwischen ortsfesten elementen und einer trommel

Country Status (4)

Country Link
EP (1) EP3864203B1 (zh)
CN (1) CN112689690B (zh)
DE (1) DE102018124878B3 (zh)
WO (1) WO2020074149A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019110654A1 (de) 2019-04-25 2020-10-29 TRüTZSCHLER GMBH & CO. KG Verfahren und Textilmaschine zur automatischen Einstellung und Konstanthaltung eines definierten Abstandes zwischen einer drehbar gelagerten Trommel und einem weiteren Bauteil
DE102021120249A1 (de) 2021-08-04 2023-02-09 Trützschler Group SE Vorrichtung zur Einstellung des Arbeitsabstands zweier relativ zueinander beweglich ausgeführter Arbeitselemente einer Karde oder eines Krempels sowie Karde oder Krempel umfassend eine solche Vorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9120249D0 (en) * 1991-09-23 1991-11-06 Carding Spec Canada Setting device for a carding engine
DE19628164B4 (de) * 1995-07-20 2006-11-09 Maschinenfabrik Rieter Ag Verstellbarer Vliesführer
DE19825317B4 (de) * 1998-06-05 2010-01-14 TRüTZSCHLER GMBH & CO. KG Vorrichtung an einer Karde mit wanderndem Deckel aus mit Garnitur versehenen Deckelstäben
DE19831139B4 (de) 1998-07-11 2015-06-18 Trützschler GmbH & Co Kommanditgesellschaft Verwendung einer Vorrichtung an einer Spinnereivorbereitungsmaschine, insbesondere Karde, Reiniger o. dgl., mit mindestens einem Kardiersegment
DE102004035771A1 (de) * 2004-07-23 2006-03-16 Trützschler GmbH & Co KG Vorrichtung an einer Karde mit einer Trommel, der Trommel gegenüberliegenden garnierten und/oder nichtgarnierten Elementen und ortsfesten Seitenteilen
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
DE102005052142B4 (de) 2005-10-28 2020-10-08 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung an einer Karde mit einer Trommel, Kardierelementen und verstellbaren Halteelementen

Also Published As

Publication number Publication date
BR112021005490A2 (pt) 2021-06-15
WO2020074149A1 (de) 2020-04-16
EP3864203A1 (de) 2021-08-18
DE102018124878B3 (de) 2019-12-12
CN112689690A (zh) 2021-04-20
CN112689690B (zh) 2023-04-07
BR112021005490A8 (pt) 2022-07-05

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