WO2022135977A1 - Verfahren zum betreiben einer vorrichtung an oder in einer textilmaschine und damit betriebene textilmaschine - Google Patents
Verfahren zum betreiben einer vorrichtung an oder in einer textilmaschine und damit betriebene textilmaschine Download PDFInfo
- Publication number
- WO2022135977A1 WO2022135977A1 PCT/EP2021/085230 EP2021085230W WO2022135977A1 WO 2022135977 A1 WO2022135977 A1 WO 2022135977A1 EP 2021085230 W EP2021085230 W EP 2021085230W WO 2022135977 A1 WO2022135977 A1 WO 2022135977A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- opening roller
- opening
- pair
- rollers
- roller
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000004753 textile Substances 0.000 title claims abstract description 36
- 239000002657 fibrous material Substances 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 16
- 238000012546 transfer Methods 0.000 claims abstract description 13
- 230000001133 acceleration Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 230000003797 telogen phase Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 10
- 230000032258 transport Effects 0.000 description 16
- 230000001413 cellular effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000035508 accumulation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000009420 retrofitting Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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
- D01G9/22—Driving arrangements
Definitions
- the invention relates to a method for operating a multi-roller device or textile machine for cleaning fiber material and a device or textile machine operated therewith.
- Such textile machines are known. They are used to remove foreign material coming from an upstream textile machine, such as a bale opener or heavy-part separator, which is intended to separate foreign material from the fiber material detached by the bale opener, which could cause damage to the downstream textile machine (fiber tufts, possibly with other foreign material) from that foreign material separate and open the fiber tufts and transport them to a downstream textile machine such as a mixer.
- an upstream textile machine such as a bale opener or heavy-part separator
- EP 2 554 726 B1 discloses an opener with a grate to separate foreign material in the form of shells and dirt 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. After that, the fiber material transferred to an opposite end of a second opening roller.
- the second opening roller transports 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.
- the object of the invention is to improve the transfer of fiber material to be cleaned between two opening rollers of a multi-roller textile machine.
- the device has a plurality of cleaning sections, each with an associated opening roller.
- the device is designed to convey fiber material in at least one corresponding transport direction along the axis of rotation of the associated opening roller when the associated opening roller rotates in a predetermined direction, thereby separating foreign materials.
- For each pair of immediately adjacent opening rollers of two cleaning sections there is an associated transfer section designed so that the fiber material conveyed by an opening roller is conveyed to a substantially transverse to the axis of rotation of one and/or the other opening roller running fiber transport direction subsequent, other opening roller is passed.
- the method has an operating phase in which, for each pair, the speed of one opening roller is lower than the speed of the other opening roller.
- an increasing speed of the opening rollers in the processing direction means that the fiber material to be cleaned in particular in the transition between two opening rollers is more or less pulled into the area of the other downstream opening roller that receives the fiber material to be cleaned. i.e. the transfer of the material from one opening roller dispensing this material to the other opening roller proceeds more safely. In addition, the risk of a material jam is reduced, particularly in the area of the other opening roller.
- the method preferably includes a starting phase as a transition from a rest phase, in which the opening rollers are stationary, to the operating phase.
- both opening rollers of at least one pair are moved at the same time.
- the upstream, releasing opening roller would be accelerated less strongly than the immediately downstream, receiving opening roller, at least at the beginning.
- the upstream opening roller can be made to rotate later than the downstream opening roller. In all of these cases, the speed difference according to the invention is already achieved when starting up.
- the method can have an acceleration phase within the operating phase, in which at least in one pair the speeds of both opening rollers are increased simultaneously or the speed of one opening roller is increased later and/or more slowly in relation to the other opening roller.
- acceleration phases can occur when the production of the device in question or textile machine is to be increased, the cleaning performance is to be changed and/or the fiber material to be cleaned changes.
- a braking phase within the operating phase, in which at least in one pair the speeds of both opening rollers are reduced simultaneously or the speed of one opening roller is reduced earlier and/or more sharply in relation to the other opening roller.
- Each of the aforementioned methods can have a stop phase as a transition from the operating phase to the rest phase, in which at least in one pair both opening rollers are stopped simultaneously or one opening roller is stopped earlier than the other opening roller.
- the speed change of one opening roller can be different than the speed change of the other opening roller, but always associated with the fact that the speed of the other opening roller is higher than the speed of one opening roller.
- an acceleration value of the one opening roller is preferably smaller, at least in a section of the respective phase, than an acceleration value of the other opening roller in the section of this phase.
- the device also includes a drive section.
- the drive section is designed to drive the opening rollers in rotation.
- the drive section is designed to operate the device according to one of the aforementioned methods; no special further precautions are necessary.
- existing drive sections could be replaced in part or in full, opening up the possibility of retrofitting.
- the device has a controller or is coupled to such a controller that is set up to operate the drive section according to one of the aforementioned methods.
- an update of the control software for the drive section can be sufficient to implement one of the aforementioned methods.
- the drive section preferably includes a drive member rotationally operatively connected to at least the at least one pair of opening rollers. i.e. a single drive element can be sufficient to implement the method according to the invention.
- the drive section can comprise a gear, via which the drive element is rotationally operatively connected to at least one opening roller of the at least one pair. This allows the speed differences in a simple way.
- the transmission preferably comprises a traction drive whose traction rollers, which are driven by the drive element via the traction mechanism, are rotationally operatively connected to a respective opening roller.
- the device has a mechanism that is set up to make the speeds and/or acceleration values of the opening rollers of the at least one pair different.
- the speed differences can be influenced by the diameter of the traction pulleys or their number of teeth (when using a toothed belt or a chain as the traction device) and can also be changed by replacing them.
- the acceleration values can be changed by means of a continuously variable transmission or a multi-speed transmission with automatic gear changing.
- a clutch mechanism can be arranged between the opening rollers of the at least one pair.
- a separate drive element can be provided for an associated opening roller of the at least one pair, which is mechanically decoupled from the one drive element or is coupled to the one drive element in such a way that the separate drive element is able to rotate the rotation transmitted to the associated opening roller to superimpose the one drive element. All of these variants can be implemented using conventional means.
- a textile machine according to the invention has one of the aforementioned devices.
- the textile machine can be designed as a cleaner, stage cleaner or feeder.
- the invention can thus be used universally.
- FIG. 1 shows a cleaner according to an embodiment of the invention
- FIG. 2 shows a vertical sectional view from the rear side in FIG. 1,
- FIG 3 shows the flow of material through the cleaning sections of the cleaner of Figure 1
- Figure 4 shows a vertical section from the front in Figure 1
- FIG. 5 shows a method for operating a textile machine provided with opening rollers, according to a first embodiment of the invention
- FIG. 6 shows a method for operating a textile machine provided with opening rollers, according to a second embodiment of the invention
- FIG. 7 shows the two partial processes of the method according to FIGS. 5 and 6 in greater detail.
- FIG. 1 shows a textile machine 1 according to an 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 consists essentially of two pipes 12, 12 and a sensor 11 arranged between them.
- the sensor 11 is used, for example, to determine 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 stream of material (fibrous material, if necessary with air) is introduced into a first 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 set up on four adjustable feet 5 here.
- the adjustable feet 5 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 discharge 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 transport separated material (dirt, shells, etc.) out of the cleaner 1 from the incoming fiber-air stream.
- FIG. 2 shows a vertical sectional view of the cleaner 1 from the rear side in FIG. The back of the cleaner 1 is exposed in FIG. In addition, the introduction section 10 is omitted. As a result, 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 via an opening 64 in a wall section 63 of the first cleaning section 60 .
- the wall section 63 in conjunction with a grate 62 arranged on its underside, defines a chamber 67 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 67 .
- the cleaner 1 has a second cleaning section 60 with a rear chamber 67 here, which in turn is surrounded by a wall section 63 and an associated, second grate 62 .
- the rear chamber 67 On its upper side, the rear chamber 67 has an opening, which cannot be seen here, into which a connection 34 of the discharge section 30 opens on the inlet side.
- the connection 34 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 transported horizontally to the right in FIG. 2 by the front opening roller 61 here.
- guide elements 65 are arranged in the chamber 67 . These guide the fibrous material horizontally to the right in FIG.
- the discharge section 40 which comprises wall sections 47 in the upper area facing the grates 62 .
- the wall sections 47 in connection with a cellular wheel 42 of a cellular wheel sluice and with the grates 62 each enclose a (removal) chamber 48 .
- the wall sections 47 are formed in such a way that the chamber 48 formed in each case reduces its cross section in the direction of the star feeder 42 .
- the outer two wall sections 47 border on a wall section 43 at the bottom.
- the wall section 43 partially encloses the cellular wheel 42 and forms a discharge pipe 44 below the cellular wheel 42.
- the discharge pipe 44 is open in the direction of the cellular wheel 42.
- the discharge pipe 44 is hollow inside, so that a discharge space 45 is formed.
- FIG. 3 shows the material flow 4 through the cleaning sections 60 of the cleaner 1.
- the fiber material reaches the left-hand chamber 67 via the connection 27, is transported helically in the direction of a transfer section 8 by means of the guide elements 65 (not shown here) and is transported into this transfer section 8 due to the centrifugal force acting on them.
- the centrifugal force means that the fiber material automatically reaches the area of the right-hand chamber 67 .
- the right-hand chamber 67 is a smaller distance from the installation surface of the cleaner 1 than the left-hand chamber 67. This allows gravity to be used and the fiber material reaches the right-hand chamber 67 without any major difficulties
- the opening roller 61 (not shown) in connection with the guide elements 65 arranged here transports the fiber material in a helical manner in the direction of the connection 34. In both chambers 67 foreign material is separated out via the grates 62 (also not shown). With regard to the grates 62, the bearings 66 of the grate bars can be seen in FIG.
- FIG. 4 shows a vertical section of the cleaner 1 from the front side in FIG. Windows 6 are preferably formed in or on the housing 2 in order to avoid accumulations of fibers in the respective adjoining chamber 67 .
- a drive section 70 is formed on this side of the cleaner 1.
- the drive section 70 includes a concealed motor, on the output shaft of which a belt pulley 71 is arranged in a rotationally fixed manner.
- a drive belt 74 is looped around the pulley 71 and another pulley 72 .
- the belt pulley 72 is arranged in a rotationally fixed manner with respect to the opening roller 61 located behind it and on the right in FIG.
- the pulley 72 has two levels.
- the drive belt 74 is looped around in the first plane.
- a second drive belt 75 is looped around in a second level behind it, which is also wrapped around a third pulley 73.
- the belt pulley 73 is arranged so that it cannot rotate relative to the opening roller 61 on the left in FIG. This allows the motor to drive both opening rollers 61,61.
- the pulley 72 preferably has a smaller outside diameter than the pulley 73.
- the speed of the opening roller 61 on the right here is higher than the speed of the opening roller 61 on the left.
- This has the surprising effect that the transported fiber material is pulled apart a little, especially in the area of the transfer section 8 . This promotes the smooth transport of the fiber material through the invisible transfer section 8 even at high production levels and reduces the risk of fiber material accumulating. Overall, this enables smoother operation.
- a preferably adjustable tensioning roller 76 is arranged in the area of the drive belt 75 .
- Such a tension roller can of course also be provided in the area of the drive belt 74 .
- the windows 7 are located in the area of the chambers 48 of the discharge section 40 and have the same effect as the windows 6, only in relation to the chambers 48.
- a motor 46 which is arranged in a rotationally fixed manner with respect to the cellular wheel 42 .
- the motor 46 thus puts the cellular wheel 42 in rotation, so that the excreted material can be transported away from the cleaner 1.
- the drive section 70 designed in this way functions as follows:
- the drive motor accelerates the speed of its output shaft, preferably according to a predetermined behavior.
- Both pulleys 72, 73 are rotated practically at the same time. Due to the transmission ratio between the belt pulleys 72, 73, the speed of the opening roller 61, here on the right, which is closest to the drive motor in terms of drive, is higher at each waiting time point than the speed of the other left opening roller 61, which is arranged counter to the fiber transport direction. The consequence of this is that the fiber material transferred from the left to the right opening roller 61 is pulled apart to a certain extent through the transfer section 8 .
- the speed ratio of the two opening rollers 61, 61 is maintained even during braking by the drive motor until the drive motor is at a standstill.
- FIG. 5 shows a method for operating a textile machine provided with opening rollers, according to a first embodiment of the invention.
- a subsequent step S2 checks whether the opening rollers, which are two in this example, should be accelerated or not. If this is not the case (no branch after step S2), the process jumps back to step S2. Otherwise (yes branch after step S2), the opening rollers of the textile machine are accelerated in a subsequent step S5 in a first sub-process.
- a subsequent step S6 checks whether the opening rollers 61, 61 should be braked or not. If this is not the case (no branch after step S6), the process jumps back to step S6. Otherwise (yes branch after step S6), the opening rollers of the textile machine are braked in a subsequent step S7 in a second sub-process.
- step S8 After both opening rollers have been braked, it is checked in a subsequent step S8 whether the operation of the textile machine has ended or not. If this is not the case (no branch after step S8), the process jumps back to step S2. Otherwise (yes branch after step S8), a jump is made to step S9, in which the operation of the textile machine with regard to the opening rollers is or is ended.
- FIG. 6 shows a method for operating a textile machine according to a second embodiment of the invention.
- step S6 in contrast to the method shown in FIG. 5, in the no branch after step S6 there is a jump back to step S2. Secondly, in the no branch, after step S2 there is a jump to step S6.
- This procedure has the advantage that it is alternately checked whether the relevant opening rollers should be accelerated or decelerated. This increases the flexibility of use, since this allows the opening rollers to be accelerated and/or braked in stages. This enables, for example, a test run relatively low final speed. If the test is successful, it is accelerated to a higher production speed.
- FIG. 7 shows the two sub-processes in the methods shown in Figures 5 and 6 in greater detail.
- FIG. 7a shows the first sub-process from step S5
- FIG. 7b shows the second sub-process from step S7.
- a first step S51 of the partial process of accelerating two opening rollers arranged directly one behind the other in the fiber transport direction the rear opening roller, which is faster in operation, is accelerated with an acceleration OBS to a rotational speed CÜBS.
- a step S52 it is checked in a step S52 whether or not a predetermined waiting time ⁇ t ⁇ i has elapsed. If this is not the case (no branch after step S52), the process jumps back to step S52. Otherwise (yes branch after step S52), in a subsequent step S53, the opening roller which is at the front in the fiber transport direction and is slower in operation is accelerated with an acceleration OBI to a rotational speed CÜBI.
- CÜBI ⁇ CÜBS The following applies: OBS > OBI.
- the waiting time Atßi can be 0, which means that step S52 can also be omitted.
- a step S72 checks whether or not a predetermined waiting time ⁇ tAs has elapsed. If this is not the case (no branch after step S72), the process jumps back to step S72. Otherwise (yes branch after step S72), in a subsequent step S73, the rear opening roller, which is faster in operation, is accelerated to a rotational speed CÜAS with an acceleration ciAs that is also negative braked.
- the waiting time AtAs can also be 0, which means that step S72 can also be omitted.
- both opening rollers 61, 61 preferably differ from one another in such a way that, apart from a state of rest of both opening rollers 61, 61, the rear opening roller 61, which is faster in operation, at any time (i.e. also during acceleration and deceleration) rotates faster than the front opening roller 61, which is slower in operation.
- the invention is not limited to the above embodiments.
- the drive section 70 can have a separate drive for some of the opening rollers 61 .
- a clutch can be provided which causes the opening roller 61, which is slower in operation, to be accelerated later compared to the opening roller 61, which is faster in operation, and in contrast, the faster opening roller 61 is braked later compared to the slower opening roller 61. Both variants would represent an implementation of steps S52 and S72.
- the opening roller 61 which is slower in operation, can also (temporarily) accelerate faster or slower be braked than the opening roller 61 of the respective pair, which is faster in operation.
- steps S53 and S73 could in turn each be replaced by a step S5 or S7, which is then configured according to FIG. 7a or FIG. 7b. Consequently, a nested or cascade-like sequence structure is created for controlling or operating the respective opening rollers.
- the invention can also be applied to other textile machines 1 with several opening rollers 61, 61, such as step cleaners or feeders.
- the invention provides a simple and cost-effective way of making the fiber transport safer, especially during the transfer between two opening rollers arranged directly one after the other in the fiber transport direction, and reducing or even avoiding the risk of fiber accumulation.
- the stretching effect on the fiber material in this area improves the fiber processing itself and thus the cleaning or opening effect of the textile machine in question.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202180075340.9A CN116438337A (zh) | 2020-12-22 | 2021-12-10 | 用于运行在纺纱机器上或中的设备的方法以及借此运行的纺纱机器 |
EP21839068.0A EP4267787A1 (de) | 2020-12-22 | 2021-12-10 | Verfahren zum betreiben einer vorrichtung an oder in einer textilmaschine und damit betriebene textilmaschine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020134592.5A DE102020134592A1 (de) | 2020-12-22 | 2020-12-22 | Verfahren zum Betreiben einer Vorrichtung an oder in einer Textilmaschine und damit betriebene Textilmaschine |
DE102020134592.5 | 2020-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022135977A1 true WO2022135977A1 (de) | 2022-06-30 |
Family
ID=79269716
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2021/085230 WO2022135977A1 (de) | 2020-12-22 | 2021-12-10 | Verfahren zum betreiben einer vorrichtung an oder in einer textilmaschine und damit betriebene textilmaschine |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP4267787A1 (de) |
CN (1) | CN116438337A (de) |
DE (1) | DE102020134592A1 (de) |
WO (1) | WO2022135977A1 (de) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2052661A1 (en) * | 1970-10-27 | 1972-06-22 | Fiber Controls Corp., Gastonia, N.C. (V.StA.) | Fibre cleaner for cotton, wool, hemp etc |
US5845367A (en) * | 1996-07-11 | 1998-12-08 | Fratelli Marzoli & C. S.P.A. | Double-cylinder opener and relative process for opening and cleaning staple fiber by progressive action |
DE102004035770A1 (de) * | 2004-07-23 | 2006-03-16 | Trützschler GmbH & Co KG | Walze für Faserverarbeitungsmaschine, z. B. Spinnereivorbereitungsmaschine wie Karde, Reiniger o. dgl., Flockenspeiser, Krempel, Vliesbildemaschine (Nonwoven) o. dgl. |
EP2011908A1 (de) * | 2007-07-05 | 2009-01-07 | MARZOLI S.p.A. | Kombinierte Vorrichtung zum Öffnen und Zuführen von Flockfasern zu einer Karde |
EP2554726B1 (de) | 2011-08-05 | 2014-09-17 | MARZOLI MACHINES TEXTILE S.r.l. | Öffner für Faser in Büschel in einer Kardierherstellungslinie |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3932282A1 (de) | 1989-09-27 | 1991-04-04 | Hollingsworth Gmbh | Vorrichtung zum oeffnen und reinigen von fasergut |
ITMI20001840A1 (it) | 1999-08-30 | 2001-02-28 | Truetzschler Gmbh & Co Kg | Dispositivo per l'apertura e pulizia di materiale in fibre. |
-
2020
- 2020-12-22 DE DE102020134592.5A patent/DE102020134592A1/de active Pending
-
2021
- 2021-12-10 WO PCT/EP2021/085230 patent/WO2022135977A1/de active Application Filing
- 2021-12-10 EP EP21839068.0A patent/EP4267787A1/de active Pending
- 2021-12-10 CN CN202180075340.9A patent/CN116438337A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2052661A1 (en) * | 1970-10-27 | 1972-06-22 | Fiber Controls Corp., Gastonia, N.C. (V.StA.) | Fibre cleaner for cotton, wool, hemp etc |
US5845367A (en) * | 1996-07-11 | 1998-12-08 | Fratelli Marzoli & C. S.P.A. | Double-cylinder opener and relative process for opening and cleaning staple fiber by progressive action |
DE102004035770A1 (de) * | 2004-07-23 | 2006-03-16 | Trützschler GmbH & Co KG | Walze für Faserverarbeitungsmaschine, z. B. Spinnereivorbereitungsmaschine wie Karde, Reiniger o. dgl., Flockenspeiser, Krempel, Vliesbildemaschine (Nonwoven) o. dgl. |
EP2011908A1 (de) * | 2007-07-05 | 2009-01-07 | MARZOLI S.p.A. | Kombinierte Vorrichtung zum Öffnen und Zuführen von Flockfasern zu einer Karde |
EP2554726B1 (de) | 2011-08-05 | 2014-09-17 | MARZOLI MACHINES TEXTILE S.r.l. | Öffner für Faser in Büschel in einer Kardierherstellungslinie |
Also Published As
Publication number | Publication date |
---|---|
EP4267787A1 (de) | 2023-11-01 |
CN116438337A (zh) | 2023-07-14 |
DE102020134592A1 (de) | 2022-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE2954326C2 (de) | Vorrichtung zum offenend-spinnen eines fadens | |
EP0494181B1 (de) | Verfahren und vorrichtung zum öffnen und reinigen von fasergut | |
WO1994005836A1 (de) | Vorrichtung zur herstellung eines vlieses aus fasermaterial | |
DE2643902A1 (de) | Verfahren zum pneumatischen abfuehren von in den oeffnern von offenend-spinnmaschinen freigesetzten verunreinigungen und offenend-spinnmaschine zur durchfuehrung des verfahrens | |
DE3722771C1 (de) | Vorrichtung zum Zusammenfuehren eines textilen Faservlieses zu einem Faserband | |
DE69028135T2 (de) | Vorrichtung zum Reinigen einer Spinnereimaschine | |
DE68921626T2 (de) | Vorrichtung zur Ermittlung von Fremdteilen in Rohbaumwolle. | |
EP3774086B1 (de) | Sortiervorrichtung zum aussortieren von münzen | |
EP3165635B1 (de) | Streckvorrichtung | |
DE3202156A1 (de) | Reissmaschine zum aufloesen von abfallmaterial, insbesondere lumpen in der textilindustrie | |
DE3114188A1 (de) | Zigarettenherstellungsmaschine | |
EP1616828B1 (de) | Drehteller für eine Faserbandablagevorrichtung | |
EP0810309A1 (de) | Anlage zum Verarbeiten von Fasern | |
DE102007020448B4 (de) | Vorrichtung an einer Spinnereivorbereitungsmaschine, z.B. Strecke, Karde, Kämmmaschine o. dgl. mit einem Streckwerk | |
CH674744A5 (de) | ||
DE1785366C3 (de) | Spinnvorrichtung | |
CH639141A5 (de) | Vorrichtung zum auftrennen der baumwollabgaenge einer baumwollreinigungsmaschine in gutfasern und schmutz. | |
WO2022135977A1 (de) | Verfahren zum betreiben einer vorrichtung an oder in einer textilmaschine und damit betriebene textilmaschine | |
EP2038458B1 (de) | Verfahren und vorrichtung zur herstellung von kurzen garneffekten | |
EP3724383B1 (de) | Streckwerk für eine spinnmaschine mit einer verdichtungsvorrichtung | |
DE102007026158B4 (de) | Vorrichtung an einer Spinnereivorbereitungsmaschine, z.B. Strecke, Karde, Kämmmaschine o. dgl., insbesondere Doppelkopfstrecke, mit mindestens zwei angetriebenen Streckwerken | |
DD299322A5 (de) | Verfahren und vorrichtung zur feinreinigung von textilfasern | |
DE4225087A1 (de) | Offen-end-spinnvorrichtung des rotor-typs | |
EP4267785A1 (de) | Spinnereivorbereitungsmaschine | |
EP1418258A1 (de) | Festkörperausscheider für Fasermaterial |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21839068 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202327036603 Country of ref document: IN |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112023012611 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112023012611 Country of ref document: BR Kind code of ref document: A2 Effective date: 20230622 |
|
ENP | Entry into the national phase |
Ref document number: 2021839068 Country of ref document: EP Effective date: 20230724 |