EP4047114A1 - Évacuation des déchets sur une machine textile au moyen d'une pluralité de rouleaux ouvrants, machine textile équipée d'une telle évacuation et installation - Google Patents

Évacuation des déchets sur une machine textile au moyen d'une pluralité de rouleaux ouvrants, machine textile équipée d'une telle évacuation et installation Download PDF

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Publication number
EP4047114A1
EP4047114A1 EP21213677.4A EP21213677A EP4047114A1 EP 4047114 A1 EP4047114 A1 EP 4047114A1 EP 21213677 A EP21213677 A EP 21213677A EP 4047114 A1 EP4047114 A1 EP 4047114A1
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EP
European Patent Office
Prior art keywords
section
opening
discharge
textile machine
chamber
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.)
Pending
Application number
EP21213677.4A
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German (de)
English (en)
Inventor
Peer Duschneit
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
Original Assignee
Truetzschler Group SE
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 Truetzschler Group SE filed Critical Truetzschler Group SE
Publication of EP4047114A1 publication Critical patent/EP4047114A1/fr
Pending 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
    • D01G9/00—Opening or cleaning fibres, e.g. scutching cotton
    • D01G9/14—Details of machines or apparatus
    • D01G9/20—Framework; Casings; Coverings; Grids

Definitions

  • the invention relates to the removal of waste from a textile machine equipped with a plurality of opening rollers, a textile machine equipped therewith, and a plant equipped with such a textile machine.
  • This type of textile machine is used to clean incoming material (fiber and foreign material) from an upstream textile machine of the system, such as a bale opener, i.e. to separate part of the foreign material.
  • the EP 2 474 726 B1 discloses, for example, an opener having a grate for separating foreign matter in the form of husks and debris from a fibrous material to be opened. It is therefore in the professional understanding of a cleaner.
  • This cleaner includes a feeder.
  • the feeder divides the incoming fiber-air flow so that both partial flows meet the first opening roller at a relatively small distance from the center of a first opening roller. Due to its rotation and the presence of guide elements along the outer circumference of this opening roller, the first opening roller transports the incoming fiber material outwards from these impingement points in mutually opposite directions along its axis of rotation to its two ends. The fiber material is then transferred to a respective opposite end of a second opening roller.
  • the second opening roller transports due to its rotation and, in turn, existing guide elements along the outer circumference of this opening roller, the fiber material transferred from the first opening roller from its ends inwards towards its center in two mutually facing directions along its axis of rotation. After that, the fiber material brought together in this way is delivered via an outlet to a downstream textile machine. Furthermore, a grate with a cellular wheel sluice arranged underneath is arranged below each opening roller in order to separate the foreign material that has been separated out in each case.
  • a disadvantage of this cleaner is the provision of several star feeders, combined with the necessary number of elements. This makes the cleaner quite expensive to manufacture.
  • the object of the invention is to counteract the aforementioned disadvantages.
  • a device is provided on or in a textile machine provided with a plurality of opening rollers.
  • the device has a discharge section and, for each opening roller, a chamber.
  • Each chamber comprises a first opening to the respective opening roller and a second opening to the discharge section.
  • the respective chamber is thus arranged between the associated opening roller and the discharge section.
  • the discharge section includes, for each second port of each chamber, an associated inlet port fluidly connected to a respective one of the second ports.
  • the discharge section includes a single outlet opening. Otherwise, the discharge section is closed and has a discharge element.
  • the discharge element is designed and arranged, on the one hand, to seal the inlet openings and the outlet opening from one another in terms of ventilation and, on the other hand, to convey (foreign) material entering from the inlet openings to the outlet opening.
  • the sealing of the two chamber areas from each other is due to the fact that otherwise it would not be possible to ensure that the waste would be discharged from the connected chambers and instead there could be a risk of a material jam. Sealing within the meaning of the invention does not necessarily mean hermetic sealing. It has been found that a gap of, for example, 1mm is sufficient to carry out the invention. This gap prevents wear on the sealing edges between the discharge element and the areas between the openings that are directly adjacent in each case.
  • This solution has the other advantage of being able to discharge foreign materials into a single removal pipe with a single, central material discharge. This results in a smaller number of parts, which simplifies the structural design and, last but not least, helps to save costs, and lower energy consumption during operation, which reduces operating costs.
  • the discharge element is preferably formed by means of a feed wheel.
  • the discharge section has a tubular element with a wall section.
  • the wall section has towards a Seen axis of rotation of the feed wheel, a feed wheel facing inside.
  • This inside includes an area. This area is formed between two edges of the inner side, which in relation to the outer inlet openings delimit two inlet openings on their opposite sides. This area of the inside thus follows a partial circle line in cross section. i.e. the inlet openings are formed in this area in such a way that they are arranged next to one another at a distance in pairs from one another.
  • the outlet port is spaced outside of this area from the outer two inlet ports.
  • the outlet opening is accordingly located between these two inlet openings, said two edges facing the outlet opening.
  • This design enables the impeller to seal the inlet openings from one another and from the outlet opening.
  • the above-described sealing of the inlet openings and the outlet opening in pairs to one another is implemented in that the conveyor wheel bears in a sealing manner in every rotational position in all areas between the respectively immediately adjacent all openings of the discharge section. This seal can be produced on the conveyor wheel using conventional means.
  • the feed wheel can be designed as a cellular wheel, so that the discharge section includes a cellular wheel sluice.
  • the outlet opening is formed in the wall section.
  • the seal according to the invention is implemented by the cellular wheel sealingly resting with respective wings on the inside in every rotational position, i.e. the respective wings separate the aforementioned area from the inlet openings low number of necessary elements to be able to realize a waste disposal at low cost.
  • the feed wheel can be designed as a worm wheel or a helically toothed spur wheel.
  • the outlet opening is formed in the wall section or in a front-side closure of the discharge section.
  • the discharge element and the outlet opening are designed in such a way that in every rotational position of the discharge element, each gap between two directly adjacent threads of the worm wheel or teeth of the spur gear that is fluidically connected to an inlet opening is prevented from being fluidically connected to another inlet opening or to the outlet opening at the same time be. This in turn results in the paired sealing of the openings in the discharge section relative to one another according to the invention.
  • this variant allows the waste to be removed from the discharge pipe at the front, although the number of parts remains essentially the same, combined with the advantages specified in relation to the cellular wheel sluice. Thereby, the discharge section can be reduced in size.
  • the interiors of two immediately adjacent chambers are preferably separated from one another at their mutually facing outer edges by means of a single wall section.
  • the pairwise sealing of the inlet openings to one another is thus effected with the aid of this wall section.
  • the common wall section between two immediately adjacent chambers enables a very space- and material-saving design.
  • the textile machine can be expanded to include additional opening rollers, if required.
  • the second opening of at least one chamber adjoins the associated inlet opening of the discharge section or merges seamlessly into it.
  • This chamber and the discharge section there are no connecting lines between This chamber and the discharge section required, which also has a favorable effect on the design effort and the manufacturing costs.
  • the transition between this chamber and the discharge section is preferably formed by means of a wall or housing section, which at the same time delimits the at least one chamber and the discharge section to the outside, at least in sections. This creates a chamber interior that can be implemented particularly favorably in terms of flow technology.
  • the wall or housing section is preferably designed in one piece. A single wall element is therefore necessary, which helps to keep the number of elements low and simplifies production and is therefore cost-effective.
  • a second opening of at least one chamber, at least one (preferably the associated) inlet opening, the outlet opening of the discharge element and/or the discharge element itself preferably has or have a length that corresponds to the entire length of the discharge section.
  • a textile machine is designed as stated at the outset.
  • the textile machine comprises one of the aforementioned devices and a transport section.
  • the transport section is designed to convey (foreign) material coming out of the discharge section out of the textile machine via the outlet opening. i.e. the device according to the invention can be integrated into existing textile machines in a very simple manner.
  • This textile machine can be designed as a cleaner, stage cleaner or feeder.
  • the invention can thus be used universally.
  • a length of the discharge section or of the wall section corresponds to a total length of the longest opening roller of the textile machine. This makes it possible to implement the device with as few parts as possible, even with opening rollers of different lengths, combined with low production costs.
  • the transport section may include a discharge pipe.
  • a fan is arranged in the discharge pipe or in a transfer section adjoining it outside the textile machine, in order to suck air away from the discharge section, with only a quantity of suction air to be produced. It is thus possible, by means of a single active element, to be able to effectively evacuate the waste relating to all the opening rollers of the textile machine, and with less energy consumption.
  • a system according to the invention preferably has the last-mentioned textile machine. If the fan is arranged in a forwarding section, this section can be formed by means of a transport pipe, a transport switch, an air separator or another textile machine. This other textile machine is designed to collect waste. This means that other existing extraction systems can be used.
  • FIG 1 shows a textile machine 1 according to a first embodiment of the invention in the form of a cleaner.
  • the cleaner 1 comprises a housing 2 which contains the essential operating elements of the cleaner 1.
  • the housing 2 comprises covers, flaps and a frame which is not visible here and is not designated.
  • a display 3 is arranged at the front of the housing.
  • the purpose of the display 3 is to make operating states, operating processes or even production values visible to the outside.
  • a feed section 10 serves to connect the introduction section 20 to a fiber-air feed.
  • the feed section 10 is as shown Example consisting essentially of two pipes 12, 12 and a sensor 11 arranged between them.
  • the sensor 11 serves to determine, for example, the speed of the fiber-air flow.
  • the right-hand tube 12 opens into a tube section 22 in the example shown.
  • the pipe section 24 in turn opens into an air separator 26 at its end remote from the pipe section 23.
  • the air separator 26 serves to remove excess (in the extreme case: the entire) amount of air from the incoming fiber-air flow.
  • the remaining flow of material (fibrous material, if necessary with air) is introduced into the cleaning section 60 which is enclosed by the housing 2 .
  • a motor 21 can also be seen, which deflects the fiber-air stream arriving from the right-hand tube 12 into the tube section 22 or the tube section 23 via a fan 25, which will be explained in more detail later.
  • a pipe 28 serves to discharge air separated by the air separator 26 to the outside of the cleaner 1 .
  • the housing 2 is placed on four adjustable feet 4 here.
  • the adjustable feet 4 are used in a known manner to align the cleaner 1 on the installation surface (floor).
  • the cleaner 1 also includes a discharge section 30 for the cleaned fiber material.
  • the derivation section 30 comprises two pipes 31, 32, between which a sensor 33 is arranged.
  • a discharge section 40 with a pipe 41 is also shown.
  • the discharge section 40 serves to convey material (dirt, shells, etc.) separated from the incoming fiber-air flow out of the cleaner 1 .
  • figure 2 shows a vertical sectional view of the cleaner 1 from FIG figure 1 back side.
  • the back of the cleaner is 1 in figure 1 exposed.
  • the introduction section 10 is omitted.
  • the view of the pipe section 22 is free insofar as the fan 25 specified above can be seen.
  • the air separator 26 opens into a connection 27 which, on the outlet side, opens out via an opening 64 in a wall section 63 of the cleaning section 60 .
  • the wall section 63 in conjunction with a grate 62 arranged on its underside, defines a chamber 66 in which an opening roller 61 is arranged in a known manner so as to be freely rotatable.
  • the opening roller 61 comprises outwardly protruding rod-like projections, not designated in any more detail, which are used to entrain the fiber material in the chamber 66 .
  • the cleaning section 60 has a rear chamber 66 which in turn is enclosed by a wall section 63 and an associated second grate 62 .
  • the rear chamber 66 has an opening (not visible here) on its upper side, into which a connection 34 of the discharge section 30 opens on the inlet side. On the outlet side, the connection 34 opens into the pipe 31 indicated above.
  • the fiber material arriving from the air separator 26 is preferably horizontally to the right in the front opening roller 61 figure 2 transported.
  • the chamber Guide elements 65 arranged. These guide the fiber material horizontally to the right figure 2 .
  • Foreign material limestones, shells, etc.
  • the discharge section 40 which comprises wall sections 8 in the upper area facing the grates 62 .
  • the wall sections 8 each enclose a (removal) chamber 9 in connection with a cellular wheel 42 of a cellular wheel sluice and the grates 62 .
  • Each chamber 9 has an opening 43 towards the associated grate 62 .
  • the discharge pipe 44 in turn comprises an inlet opening 53 in the direction of the respective chamber 9 and an outlet opening 48 in the direction of the discharge space 45.
  • the wall sections 8 are formed in such a way that the chamber 9 formed in each case reduces its cross section in the direction of the star feeder 42 .
  • the outer two wall sections 8 border on a wall section 7 at the bottom.
  • the wall section 7 partially encloses the cell wheel 42 and forms a discharge pipe 44 below the cell wheel 42.
  • the discharge pipe 44 is open in the direction of the cell wheel 42.
  • the discharge pipe 44 is hollow inside, so that a discharge space 45 is formed.
  • foreign materials fall through the grates 62 into the chambers 9 in the direction of the star feeder 42.
  • the rotation of the star feeder 42 causes the thrown-off foreign material into the discharge space 45.
  • the cellular wheel 42 is designed in a known manner, and its projections preferably have elastic sealing lips which rest against the wall sections 7, 8 or are at such a small distance that the foreign material is safely transported into the discharge space 45.
  • figure 3 shows an enlarged view of figure 2 .
  • the arrangement of the guide elements 65 can be seen particularly well. They run at an acute angle to the plane of rotation of the respective opening rollers 61.
  • the wall sections 8 and their transitions to the wall section 7 are also clearly shown.
  • the wall section between the inlet openings 53, 53 forms, on its side facing the star feeder 42, a region 47 on which the star feeder 42 (possibly with a gap) seals.
  • the inlet openings 53 are thus sealed off from one another.
  • the wall section 7 defines two areas 46, 46. Each area 46 is thus delimited on both sides by an associated inlet opening 53 and the outlet opening 48.
  • the cellular wheel 42 also seals the inlet openings 53 , 53 against the outlet opening 48 in the areas 46 , 46 .
  • figure 4 shows one to figure 3 similar sectional view as top view.
  • the fiber material enters the left chamber 66 through the connection 27 .
  • the clockwise rotating opening roller 61 moves the fiber material out of the plane of the page perpendicular to the plane of the page along the left-hand grate 62 and the wall section 63 .
  • the fiber material (pre-)cleaned in the left-hand chamber 66 reaches the right-hand chamber 66 via a front-side transfer section 5 (not visible here) and is transported perpendicularly to the plane of the page into the plane of the page by the opening roller 61, which also rotates clockwise here.
  • the cleaned fiber material enters the connection 34 and via it into the pipe 31 of the discharge section 30.
  • a pipe 51 of the discharge section 40 connects to the rear end of the discharge space 45 here and is as if through two windows 6 recognizable, starting from the discharge space 45 to the right and then extending upwards in an arc.
  • the provision of the transport areas 10, 20, 30 and 41 relating to the material flow above the housing 2 of the cleaner 1 makes it possible to provide material transport pipes on the upper side.
  • the footprint of the cleaner 1 is thus kept to a minimum, and the connection to upstream and downstream textile machines can be standardized.
  • figure 5 shows the cleaner 1 in a perspective view from a rear side in FIG figure 3 here.
  • the outer wall of the housing 2 pointing forward here is omitted, so that the view of the elements arranged behind is free.
  • the grates 62, 62 Below the grates there is a bearing 49 for the cell wheel 42.
  • the pivot bearing 49 is attached via a cover 2a to the wall of the housing 2 visible here. on which the bearings 67, 67 are attached.
  • the tube 51 of the discharge section 40 extends from the housing 2, runs obliquely to the top left and then transitions over an arc in a vertical direction.
  • a sensor 50 which serves, for example, to determine the amount of waste per unit of time.
  • the sensor 50 opens into the pipe 41 of the discharge section 40.
  • the discharge pipe 44 can be seen, on the front side of which the pipe 51 is connected on the inlet side.
  • the shape of the discharge pipe 44 is stabilized by stiffeners 52 .
  • figure 6 shows one to figure 5 similar view of a modification of the cleaner 1.
  • the embodiment shown is missing the cover 2a. i.e. the pivot bearing 49 is attached directly to the intermediate wall of the housing 2.
  • figure 7 shows waste removal for a cleaner 1 with four opening rollers 61.
  • the fiber material passes through the left chamber 66 perpendicular to the plane of the page out of the plane of the page, the left transfer section 5, the subsequent chamber 66 perpendicular to the plane of the page into the plane of the page, the middle transfer section 5, the subsequent chamber 66 analogous to the left chamber 66 perpendicular to the plane of the page out of the plane of the page, the right transfer section 5, the right chamber 66 analogous to the second chamber 66 from the left perpendicular to the plane of the page into the plane of the page and then into the outlet 34.
  • This chamber 9 is therefore responsible for two opening rollers 61, 61 or chambers 66, 66.
  • This Chamber 9 opens into discharge pipe 44 at its end remote from opening rollers 61, 61.
  • the grates 62, 62 of the two right-hand chambers 66, 66 each open into a separate chamber 9, 9. These chambers 9, 9 also open into the discharge space 44 at their end facing away from the associated grate 62, so that the star feeder 42 is in the position is to discharge the excreted material in the direction of tube 51.
  • the invention is not limited to the prescribed embodiments.
  • the number of opening rollers 61 can vary.
  • the fiber transport can also vary, it does not have to take place as shown in the explanations.
  • each grate 62 opens into an associated chamber 9 on the outlet side.
  • the chambers 9, 66, the discharge pipe 44 and the discharge pipe space 45 are preferably closed off at the end (apart from the connection of the pipe 51) by a wall of the housing 2 of the cleaner.
  • the discharge pipe 44 can be replaced by another chamber-like element which is designed in such a way that the cellular wheel 42 seals the connected chambers 9 against one another and preferably also against the pipe 51 .
  • This is preferably realized in that the inside of this chamber-like element in cross-section follows a partial circular line along which the sealing elements of cell wheel 42 (for example sealing lips) run.
  • the seal only has to be such that no excreted foreign material can slip through. i.e. the sealing lips can also have a small distance (for example 1 mm) to the respective inner side.
  • the cellular wheel 42 can be replaced by a worm wheel so that it actively moves the separated material in the direction of the pipe 41 .
  • the discharge space 45 can be omitted.
  • the screw thread is designed in such a way that it is not capable of technically connecting two openings 53, 48 (temporarily) with one another in terms of flow.
  • a standard helical gear is also conceivable, which is only very long.
  • the wall sections 8, 63 can be designed in one piece, resulting in a combined chamber 9, 66 in which the grate(s) 62 and the opening roller(s) 61 is/are arranged.
  • the depth of the chambers is 9, 66 in figure 7 a length of the discharge tube 44.
  • these dimensions can also vary.
  • two star feeders could also be designed as an example, each of which is associated with two opening rollers 61, 61 as an example.
  • one cellular wheel sluice is responsible for one chamber 8 and the other for three chambers 8.
  • the length of the discharge pipe 44 is preferably as long as the longest opening roller in the cleaner 1. This ensures that all of the separated material is safely discharged from the cleaner 1.
  • a fan can be arranged in the pipe 41 in the cleaner 1, for example, in order to feed the cleaned fiber material to a downstream textile machine such as a mixer.
  • Such a forwarding section can be a transport pipe, a transport diverter, an air separator (for example of a downstream textile machine) or such a textile machine itself.
  • the invention can also be applied to a step cleaner or a feeder instead of a cleaner.
  • the invention offers a simple and cost-effective way of safely transporting separated foreign material out of a textile machine in question.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
EP21213677.4A 2020-12-22 2021-12-10 Évacuation des déchets sur une machine textile au moyen d'une pluralité de rouleaux ouvrants, machine textile équipée d'une telle évacuation et installation Pending EP4047114A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020134590.9A DE102020134590A1 (de) 2020-12-22 2020-12-22 Abfallabführung an einer Textilmaschine mit mehreren Öffnungswalzen, damit ausgestattete Textilmaschine und Anlage

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EP4047114A1 true EP4047114A1 (fr) 2022-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21213677.4A Pending EP4047114A1 (fr) 2020-12-22 2021-12-10 Évacuation des déchets sur une machine textile au moyen d'une pluralité de rouleaux ouvrants, machine textile équipée d'une telle évacuation et installation

Country Status (2)

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EP (1) EP4047114A1 (fr)
DE (1) DE102020134590A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559804A (en) * 1968-10-22 1971-02-02 Fiber Controls Corp Fiber cleaner
DE3932282A1 (de) * 1989-09-27 1991-04-04 Hollingsworth Gmbh Vorrichtung zum oeffnen und reinigen von fasergut
WO2009084056A1 (fr) * 2007-12-31 2009-07-09 Marzoli S.P.A. Ouvreur axial pour le traitement de touffes de fibres
EP2474726A1 (fr) 2009-09-01 2012-07-11 Husqvarna Zenoah Co., Ltd. Moteur à deux temps
EP2554726A2 (fr) * 2011-08-05 2013-02-06 Marzoli S.p.A. Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559804A (en) * 1968-10-22 1971-02-02 Fiber Controls Corp Fiber cleaner
DE3932282A1 (de) * 1989-09-27 1991-04-04 Hollingsworth Gmbh Vorrichtung zum oeffnen und reinigen von fasergut
WO2009084056A1 (fr) * 2007-12-31 2009-07-09 Marzoli S.P.A. Ouvreur axial pour le traitement de touffes de fibres
EP2474726A1 (fr) 2009-09-01 2012-07-11 Husqvarna Zenoah Co., Ltd. Moteur à deux temps
EP2554726A2 (fr) * 2011-08-05 2013-02-06 Marzoli S.p.A. Dispositif d'ouverture pour fibre dans des touffes sur une ligne de préparation de cardage

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