EP1887113A1 - Procédé et dispositif d'alimentation d'un voile de fibres à une machine de traitement - Google Patents

Procédé et dispositif d'alimentation d'un voile de fibres à une machine de traitement Download PDF

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Publication number
EP1887113A1
EP1887113A1 EP06118732A EP06118732A EP1887113A1 EP 1887113 A1 EP1887113 A1 EP 1887113A1 EP 06118732 A EP06118732 A EP 06118732A EP 06118732 A EP06118732 A EP 06118732A EP 1887113 A1 EP1887113 A1 EP 1887113A1
Authority
EP
European Patent Office
Prior art keywords
shaft
fibers
fiber mat
feed device
width
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Withdrawn
Application number
EP06118732A
Other languages
German (de)
English (en)
Inventor
Joachim Leger
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.)
Oskar Dilo Maschinenfabrik KG
Original Assignee
Oskar Dilo Maschinenfabrik KG
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 Oskar Dilo Maschinenfabrik KG filed Critical Oskar Dilo Maschinenfabrik KG
Priority to EP06118732A priority Critical patent/EP1887113A1/fr
Publication of EP1887113A1 publication Critical patent/EP1887113A1/fr
Withdrawn legal-status Critical Current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
    • D01G7/00—Breaking or opening fibre bales
    • D01G7/06—Details of apparatus or machines
    • D01G7/08—Arrangements for feeding bales to comminuting elements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • D01G23/02—Hoppers; Delivery shoots
    • D01G23/04—Hoppers; Delivery shoots with means for controlling the feed

Definitions

  • the invention relates to a device and a method for feeding a fiber mat formed from fibers to a processing machine, in particular a textile machine, such as a carding machine, according to the preamble of claim 1 or 28.
  • a known device for feeding a fiber mat formed from fibers to a processing machine the supply by means of a feed device, mainly a box feeder with Haittelschschacht.
  • the feeding speed of the fibrous material to the feeding device is performed in accordance with the detection of the amount of the fibrous material supplied to the processing machine by a device for measuring the thickness and / or the density of the fibrous material.
  • the control of the fiber supply to the feed device and the determination of the yield at the entry point of the processing machine is divided into several, at least three sections over the working width. In each section, the determination of the amount of fiber throughput by the thickness measuring device and the corresponding control are made separately from the adjacent section. In this way, the height of the filling of the feed chute can be better regulated in terms of equalization.
  • the invention is based on this prior art based on the object to provide an apparatus and a method for supplying a fiber mat formed by fibers, on the one hand mass fluctuations of the fiber material over the working width in the improved scope can be compensated or setting a given fiber mat profile over the working width of the device is made possible.
  • the invention advantageously provides that the backpressure roller and / or the feed device are segmented over the working width and with regard to the volume flow of fibers as a function of the actual values for the volume flow of fibers measured by the measuring device downstream of the feed device over the width of the fiber mat
  • the control values contained in the control of the volume flow are segmentally adjustable.
  • the invention makes it possible to control the volume flow of fibrous material over the working width of the device, preferably the working width of the subsequent processing machine, e.g. a carding, to optimize by segmentally varying the passage cross-section for the fibers or by changing their transport speed in each segment so that an almost ideally over the width uniformed fiber mat is formed.
  • the segmented back roll is formed of a plurality of drums, wherein the control regulates the distance of each drum to the first conveyor in dependence on the measured actual values of the measuring device and the set values predetermined by the controller.
  • the drums of the recoil roller may have a common rotating shaft or a fixed common axis.
  • Each drum of the backpressure roller may have a joint receiving means coaxial with the axis of rotation of the respective drum for forming at least one gimbal joint, wherein a variable length shaft or axle segment of the common shaft or axis is disposed between adjacent drums.
  • the common shaft can be provided with a single rotary drive.
  • Each drum has at least one drum wall, which is non-rotatably coupled to the common shaft.
  • Cardan joints can be arranged in the vicinity of the drum wall on both sides of the drum wall. According to an alternative embodiment, it may be provided that each drum of the recoil roller has its own rotary drive.
  • This rotary drive may consist of an external rotor motor whose axis is fixed and rotates the housing coupled to the drum.
  • the drum wall of each drum is coupled to the housing of the external rotor motor or forms the housing of the external rotor motor.
  • the non-rotating axis can be adjusted via gimbal joints, such as the common shaft with respect to their distance from the first conveyor. There is also the possibility of providing a single common axis without gimbals.
  • control of the volume flow can also be controlled by a combination of a different distance of the drums to the first conveyor and a different peripheral speed of the drums.
  • the drums are rotatably mounted between lateral support elements, wherein the support elements for the purpose of adjusting the distance of the drums to the first conveyor are linearly deliverable in the direction of the first conveyor.
  • the feed device has a filling shaft formed from shaft walls, whose at least one shaft wall consists of several independent shaft segments.
  • the shaft depth of the hopper and / or the inclination of each shaft segment to the vertical can be set individually at each shaft segment of the shaft wall by the controller and corresponding drive means.
  • the shaft segments of the segmented shaft wall can be pivotably coupled to a frame element of the feed device about a horizontal axis such that the respective inclination angle of the shaft segments to the opposite shaft wall with at least one drive means for each shaft segment for fine adjustment of the volume flow of fibers over the width of the fiber mat is adjustable.
  • the frame element can be displaced above and below the juxtaposed axes of the individual shaft segments via mutually independent drive means.
  • the frame member may be deliverable for all shaft segments together linearly by an adjustment of 30 to 250 mm, preferably from 50 to 180 mm, for coarse control of the shaft depth.
  • the shaft wall opposite the segmented shaft segments can execute vibrating vibrations.
  • segmented shaft segments or the frame member may perform the vibration vibrations.
  • a coarse control can be carried out segment by segment and a fine control of the volume flow of fibers supplied across the width of the fiber mat in segments by means of the filling shaft.
  • the shaft segments of the feeder and / or the drums of the recoil roller preferably form in terms of their position and / or speed, the actuators of a control loop.
  • the first conveyor consists of an inclined conveyor, preferably made of a slatted cloth.
  • the first conveyor may be segmented across the width of the fiber mat, wherein the segments of the conveyor may have a different conveying speed.
  • a second conveying device may be arranged between the feeding device and the processing machine, which feeds the fiber mat formed from the fibers in the feed device to the processing machine.
  • the measuring device is integrated in a chute arranged downstream of the feed device, which in the fiber transport direction has several load cells arranged juxtaposed over the width of the fiber mat and associated with the individual segments of the backpressure roller and / or the feed device.
  • a non-segmented knock-out roller cooperating with the first conveyor ejects the fibers into the feeder.
  • the apparatus shown in FIG. 1 for feeding a fiber mat formed from fibers to a processing machine essentially consists of the following elements, namely a conveyor belt 3 for fibers, a first conveyor 2, for example a slatted cloth, a backpressure roller 6, which cooperates with the first conveyor 2, for example, at the upper end of the conveyor 2, a cooperating with the conveyor 2 knocking roller 48 in front of a feed device 4 with a shaft walls 26, 30 formed feed hopper 5, and arranged at the outlet end of the hopper 5 chute 44, in the load cells 46 are distributed over the working width of the device.
  • the fiber mat emerging from the filling shaft 5 is transported via the chute 44 to a further conveying device 42, which feeds the fiber mat to the subsequent processing machine.
  • the fibers are fed to the first conveyor 2, for example by means of a conveyor belt 3 of a so-called wool box.
  • the horizontal conveyor belt 3 may be upstream of a hopper three discharge rollers, as it is basically from the DE 31 41 537 A is known.
  • the existing example of a slatted first conveyor 2 is preferably formed from a non-divided over the working width of the device needle blanket, but can also be segmented in another embodiment in the direction of the working width segment, so that the individual segments of the needle flap cloth operated at a different transport speed can be.
  • the skiving roller 6 is, as best seen in Fig. 2, divided into a plurality of segments, which are formed of individual drums 12, wherein the individual drums 12 are interconnected via a common shaft 14 which is driven for example by a single rotary drive 18 ,
  • the common shaft 14 is articulated, so that the individual drums 12 of the back-up roller 6 in the direction of the first conveyor 6 individually back and forth are deliverable.
  • the drums 12 have for this purpose on a drum wall 20 which receives gimbals 16 on both sides of the drum wall 20, which are coupled by means of a variable length shaft segment 52 and a respective drum 12 coaxial joint receiving device 50 with the respective adjacent drum 12.
  • the delivery of the drums 12 is based on the Fig. 1 only in a single plane, as shown in Fig. 1, preferably horizontally.
  • the drums 12 are, as best seen in FIGS. 3 and 4, provided with lateral support members 22, between which the drums 12 are rotatably mounted.
  • the support elements 22, which consist predominantly of support walls, have at their ends facing the drums 12 each have an annular flange 22a, on which the drum shell is rotatably supported by bearings 22b.
  • each drum 12 is provided with an external rotor motor which individually drives the respective drum 12.
  • the housing of the external rotor motor is coupled to the drum 12.
  • the gimbals 16 of the axle segments can be provided as in the embodiment of Fig. 2 in the case of a fixed axis.
  • Fig. 3 shows the drums 12 of the backpressure roller 6 in a relation to FIG. 2 in 90 ° twisted plane in which the individual drums 12 can be moved back and forth orthogonal to the plane of the drawing.
  • each individual drum 12 of the recoil roller 6 can be driven by means of a drive means, e.g. a piston-cylinder unit 23 are linearly displaced linearly in the direction of the first conveyor 2, so that the distance to the first conveyor 2 for each drum 12 is adjustable and thus the volume flow of fibers in the respective segment can be reduced or increased by the passage cross section for fibers is changed.
  • the recoil roller 6 influences the layer thickness of the ultimately fed to the hopper 5 fibers.
  • the circumferential speed of each individual drum 12 can additionally be set individually.
  • each drum The mutual end-side arranged support elements 22 of each drum are guided linearly via two guide rods 24.
  • a carriage 25 is provided which slides on the guide rods 24 and the two, the drums 12th laterally limiting, serving as support members 22 supporting walls interconnected.
  • the carriage 25 and the interconnected via the carriage 25, arranged on the front side of the drums 12 supporting elements 22 are mounted in the feed direction twice on the guide rods 24.
  • the transported by the first conveyor 2 fibers that have passed the backpressure roller 6 are dropped by a knock-off roller 48 in the hopper 5 of the feeder 4.
  • the filling shaft 5 consists of a segmented shaft wall 26 and an opposite shaft wall 30, which is preferably designed as a vibrating wall.
  • the segmented shaft wall 26 consists of several independent shaft segments 28, which are arranged side by side.
  • the shaft segments 28 are pivotable about an axis 40 by means of drive means 34, 36 which are arranged with mutual vertical distance in pairs for each shaft segment 28 relative to a movable frame 38.
  • the individual drive means 34, 36 for the well segments 28 are secured to the upper crossbar 62 and to the middle crossbar 63, respectively, so that the individual well segments 28 can be pivoted about the horizontal axis 40.
  • Each shaft segment 28 has its own axis 40.
  • Each axle 40 may be supported on a linear guide 66 which, with a corresponding actuation of the drive means 34, 36 of each shaft segment 28, also permits linear delivery of the shaft segment 28 without pivoting movement in the direction of the shaft wall 26.
  • the linear guide for example consisting of a double dovetail guide, is attached to the middle crossbar 63.
  • the movable frame 38 can be delivered and / or pivoted with respect to a fixed frame 32 by means of drive means 33, 35.
  • the drive means 33, 35 consist, as best seen in Fig. 7, of drivable racks 37a, 37b, which are coupled to the movable frame 38.
  • the lower rack 37a is, as shown in FIG. 7, coupled to a lower crossbar 61 of the movable frame 38, while the upper rack 37b of the driver 33 is connected to an upper crossbar 62 of the movable frame 38.
  • the movable frame 38 still has a central transverse bar 63, wherein the transverse bars 61, 62, 63 are connected to each other with vertical struts 64, of which only two are shown in FIG.
  • the drive devices 33, 35 With the aid of the drive devices 33, 35, a coarse adjustment of the shaft depth is therefore possible, it being understood that the drive devices 33, 35 are provided on both sides of the movable frame 38.
  • the individual drive devices 34, 36 for each shaft segment 28 allow a fine adjustment of the shaft depth at each shaft segment 28, as well as additionally the possibility of changing the shaft wall with regard to its angle of inclination.
  • a total of nine shaft segments 28 are arranged side by side. It is understood that the number of segments provided over the working width is not limited to nine, and that the Segment width over the working width of the device must not uniformly have the same width.
  • the stationary frame 32 shown in FIG. 5 can be seen in FIG. 7 only in the form of lateral plates which receive the drive devices 33, 35.
  • a drive device 80 is shown in FIG. 1 for the shaking operation, wherein the over the entire working width of the device going shaft wall 30 and hinged at its upper end to be pivotable for the shaking operation.
  • two take-off rollers 82, 84 are provided, which feed the chute 44 emerging from the hopper 5 of a chute 44, as best seen in Fig. 6 shows several distributed over the working width load cells 46 of the measuring device 8.
  • the peripheral speed of the take-off roll 82, 84 is predetermined by the controller 10.
  • the take-off roll 84 can be moved with the movable frame 38.
  • the individual load cells 46 correspond in their width to the shaft segments 28, and the drums 12 of the recoil roller.
  • the mass fluctuations over the working width of the device are detected and can be adjusted by means of the backpressure roller 6 and / or the shaft segments 28 or other segmented elements in the material flow.
  • the fiber mat is fed via the chute 44 to a conveyor belt 42 for transport to a subsequent processing machine, e.g. fed to a card.
  • Fig. 8 is a detailed drawing of the measuring device 8 can be seen, in which the chute 44 and the load cell plates 47 of the respective load cells 46 are removed. As can be seen in FIG. 8, the weight received by each weighing cell plate 47 integrated in the chute 44 is transmitted by means of a lever 48 to the weighing cell 46, which is part of the measuring device 8.
  • the controller 10 can control the segmented backpressure roller 6 and / or the feed device 4 in such a way that the maximum uniformity of the fiber mat in the transverse and longitudinal directions is achieved can be.
  • controller may additionally influence the speed of the drums 12 of the back-up roller 6, or the speed of the segments of the first conveyor 2, provided that they are technically designed for this purpose.
  • the setpoint values of the control can also be adjusted so that a certain predetermined cross-sectional profile of the fiber mat is produced.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP06118732A 2006-08-10 2006-08-10 Procédé et dispositif d'alimentation d'un voile de fibres à une machine de traitement Withdrawn EP1887113A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06118732A EP1887113A1 (fr) 2006-08-10 2006-08-10 Procédé et dispositif d'alimentation d'un voile de fibres à une machine de traitement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06118732A EP1887113A1 (fr) 2006-08-10 2006-08-10 Procédé et dispositif d'alimentation d'un voile de fibres à une machine de traitement

Publications (1)

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EP1887113A1 true EP1887113A1 (fr) 2008-02-13

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EP06118732A Withdrawn EP1887113A1 (fr) 2006-08-10 2006-08-10 Procédé et dispositif d'alimentation d'un voile de fibres à une machine de traitement

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2045376A3 (fr) * 2007-08-22 2009-12-02 Hubert A. Hergeth Dispositif d'alimentation à secousses
EP2395138A1 (fr) * 2010-06-10 2011-12-14 Recuperación de Materiales Textiles, S.A. Dispositif de mesure de fibres
EP2695982A1 (fr) * 2012-08-06 2014-02-12 Oskar Dilo Maschinenfabrik KG Dispositif et méthode pour égaliser ou obtenir un profil donné à un matelas de flocons de fibres
DE102012023200A1 (de) * 2012-11-28 2014-05-28 Hubert Hergeth Mehrlagenvliesbilder
CN105239218A (zh) * 2015-10-28 2016-01-13 武汉汉麻生物科技有限公司 一种麻纤维清弹机自动喂入系统
CN107745997A (zh) * 2017-11-14 2018-03-02 经纬纺织机械股份有限公司 纤维条输送装置单元

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB715413A (en) * 1952-05-16 1954-09-15 Tmm Research Ltd Improvements in apparatus for use in conveying and opening textile fibrous materials
DE3141537C2 (de) * 1981-10-20 1984-03-08 Hergeth KG Maschinenfabrik und Apparatebau, 4408 Dülmen Vorrichtung zur Regelung der Zuführung von Spinngut zu einer Verarbeitungsmaschine
US5157809A (en) * 1989-11-13 1992-10-27 N. Schlumberger Et Cie, S.A. Charger for feeding a carding machine with a layer of textile fibers as regularly as possible
DE19919447A1 (de) * 1999-04-29 2000-11-16 Erko Textilmaschinen Gmbh Vorrichtung zum Zuführen von Fasern

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB715413A (en) * 1952-05-16 1954-09-15 Tmm Research Ltd Improvements in apparatus for use in conveying and opening textile fibrous materials
DE3141537C2 (de) * 1981-10-20 1984-03-08 Hergeth KG Maschinenfabrik und Apparatebau, 4408 Dülmen Vorrichtung zur Regelung der Zuführung von Spinngut zu einer Verarbeitungsmaschine
US5157809A (en) * 1989-11-13 1992-10-27 N. Schlumberger Et Cie, S.A. Charger for feeding a carding machine with a layer of textile fibers as regularly as possible
DE19919447A1 (de) * 1999-04-29 2000-11-16 Erko Textilmaschinen Gmbh Vorrichtung zum Zuführen von Fasern

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2045376A3 (fr) * 2007-08-22 2009-12-02 Hubert A. Hergeth Dispositif d'alimentation à secousses
EP2395138A1 (fr) * 2010-06-10 2011-12-14 Recuperación de Materiales Textiles, S.A. Dispositif de mesure de fibres
EP2695982A1 (fr) * 2012-08-06 2014-02-12 Oskar Dilo Maschinenfabrik KG Dispositif et méthode pour égaliser ou obtenir un profil donné à un matelas de flocons de fibres
EP2695984A1 (fr) * 2012-08-06 2014-02-12 Oskar Dilo Maschinenfabrik KG Dispositif de formation d'un tissu non-tissé ou d'un matelas de fibres floquées
US9003609B2 (en) 2012-08-06 2015-04-14 Oskar Dilo Maschinenfabrik Kg Device and method for forming a uniform or profiled fleece or a uniform or profiled fiber flock mat
DE102012023200A1 (de) * 2012-11-28 2014-05-28 Hubert Hergeth Mehrlagenvliesbilder
CN105239218A (zh) * 2015-10-28 2016-01-13 武汉汉麻生物科技有限公司 一种麻纤维清弹机自动喂入系统
CN107745997A (zh) * 2017-11-14 2018-03-02 经纬纺织机械股份有限公司 纤维条输送装置单元
CN107745997B (zh) * 2017-11-14 2023-07-07 经纬纺织机械股份有限公司 纤维条输送装置单元

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