EP3966373A1 - Abreisszylinderaggregat mit einer vorrichtung für druckzylinder von abreisszylinderpaaren einer kämmmaschine - Google Patents
Abreisszylinderaggregat mit einer vorrichtung für druckzylinder von abreisszylinderpaaren einer kämmmaschineInfo
- Publication number
- EP3966373A1 EP3966373A1 EP20724213.2A EP20724213A EP3966373A1 EP 3966373 A1 EP3966373 A1 EP 3966373A1 EP 20724213 A EP20724213 A EP 20724213A EP 3966373 A1 EP3966373 A1 EP 3966373A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- pressure
- tear
- combing machine
- pair
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G19/00—Combing machines
- D01G19/06—Details
- D01G19/14—Drawing-off and delivery apparatus
- D01G19/18—Roller, or roller and apron, devices, e.g. operating to draw-off fibres continuously
- D01G19/20—Roller, or roller and apron, devices, e.g. operating to draw-off fibres continuously operating to draw-off fibres intermittently
Definitions
- Tear-off cylinder unit with a device for printing cylinders of pairs of tear-off cylinders of a combing machine
- the present invention relates to a tear-off cylinder unit with a device for printing cylinders of pairs of tear-off cylinders of a combing machine, with at least one pair of cylinders, which consists of a tear-off cylinder rotatable in the combing machine with a mit step movement and a pressure cylinder, and with a pressing device for pressing the pressure cylinder against one another of the tear-off cylinder of the at least one pair of cylinders, the pressure cylinder being acted upon by a pressure force via the pressure device and the pressure device being connected to a pressure setting device.
- tear-off cylinder units which have a first and a second pair of cylinders. These cylinder pairs each consist of a tear-off cylinder that can be rotated in the combing machine with a mit step movement and a pressure cylinder. Furthermore, the tear-off cylinder unit consists of a pressing device for pressing the pressure cylinder and the tear-off cylinder against one another in each of the cylinder pairs. In the known tear-off cylinder assemblies, the tear-off cylinder and the pressure cylinder of each cylinder pair are pressed against one another by the pressing device with equal forces, a pressure-adjusting device being provided for this purpose.
- the known pressure cylinders are designed in such a way that a pressure force of approximately 6.5 bar is set as standard with the pressure adjustment device.
- the tear-off cylinders are usually fluted and made of steel and the pressure cylinders are also made of metal and are provided with a coating of rubber-elastic material, the cylinders are relatively heavy and have a large moment of inertia. This results in a high load on the gearing of the combing machine, which has to rotate the tear-off cylinders of each cylinder pair back and forth with the vocational step movement during operation of the combing machine. This fact leads in a disadvantageous way, especially at high speed (more than 600 KS / min) of the comber, to irregularities in the combing web due to the different moments of inertia of the printing cylinder and the tear-off cylinder during the soldering process.
- the different moments of inertia per cylinder pair cause a slip between the printing cylinder and the tear-off cylinder, which has a considerably negative effect on the web formation, in particular during the soldering process of the combing web.
- the slip results in an error tolerance between the speed of the pressure cylinder generated by dragging and the speed of the tear-off cylinder, which can be in the error tolerance range of up to 25% with a nip cycle rate of 650 KS / min and a contact pressure of 5 bar with the pressing device.
- Such error tolerances in the speed between the printing cylinder and the tear-off cylinder are no longer acceptable to the spinning mill owner, since this is directly associated with the quality of the combed-out combing fleece.
- the object of the present invention is therefore to provide a tear-off cylinder unit with a device for printing cylinders of pairs of tear-off cylinders of a combing machine, which allows the soldering process with the pairs of tear-off cylinders of a combing bar to be set so that the quality of the combed-out combing fleece is acceptable even with higher numbers of combs is.
- a tear-off cylinder unit with a device for printing cylinders of pairs of tear-off cylinders of a combing machine with the features of independent claim 1.
- a tear-off cylinder unit is proposed with a device for printing cylinders of pairs of tear-off cylinders of a combing machine, with at least one first pair of cylinders, which consists of a first tear-off cylinder rotatable in the combing machine with a mit step movement and a first pressure cylinder, and with a pressing device for pressing the first pressure cylinder and against each other of the first tear-off cylinder of the first cylinder pair, the first pressure cylinder being subjected to a pressure force via the pressing device and the pressing device being connected to a pressure connection.
- the pressure connection is connected to a pressure regulator which is designed in such a way that, depending on a predetermined speed of the comber, a corresponding pressure force for the first pressure cylinder is adjustable for pressing against the first tear-off cylinder.
- a pressure regulator to adjust the pressure force on the first pressure cylinder compared to the first tear cylinder of the first cylinder pair has the advantageous effect that, depending on the speed of the comber, the different moments of inertia between the first pressure cylinder and the first tear cylinder can be addressed.
- the adjustable pressure force thus prevents too great a deviation between the speed of the first pressure cylinder and the speed of the first tear-off cylinder, because the pressure force is set via the pressure regulator so that the drag from the first tear-off cylinder to the first pressure cylinder does not result in a large speed deviation, so that the soldering process for producing the combing fleece is significantly improved compared to tear-off cylinder units, where the pressure force via the pressure device always remains constant at the same pressure level regardless of the set speed of the combing machine.
- the pressure regulator preferably comprises at least one electrically controllable pressure valve.
- the electrically controllable pressure valve is designed to throttle the system pressure from the pressure line and thus transmit a reduced pressure to the pressing device.
- the pressure regulator has the task of controlling the pressure valve so that a stepless adjustment of the pressure force for the first pressure cylinder of the first cylinder pair is made possible.
- the pressure regulator according to the invention can of course also be controlled manually in order to set the desired pressure force on the pressure cylinder, such manual application being very imprecise and involving the risk of mechanical overloading of the component.
- the pressure regulator sets a corresponding pressure force between approximately 210 N and approximately 642 N as a function of the speed of the combing machine.
- These Preferred pressure forces for the pressure cylinder allow a practical adaptation of the pressure conditions of the cylinder pair to the speed of the comber by means of the pressure regulator.
- the predefined speed of the combing machine is particularly preferably related to the adjustable pressure force for the first pressure cylinder at least approximately linearly.
- the linear dependence of the set speed of the combing machine on the required printing force for the first printing cylinder has the advantageous effect that the pressure regulator can set the printing force very easily and reproducibly in relation to the current speed of the comber. In this way it is possible to keep the rotational speed deviations of the printing cylinder and tear-off cylinder as low as possible due to the different moments of inertia.
- the speed of the comber is also preferably between 400 KS / min and 700 KS / min. It has proven to be very advantageous if the pressure regulator sets a compressive force between about 210 N and about 214 N, particularly preferably of about 212 N, at a speed of the comber of 400 KS / min, at a speed of the comber of 550 KS / min a pressure force between about 420 N and about 428 N, particularly preferably about 424 N, and at a speed of the combing machine of 700 KS / min a pressure force between about 630 N and about 640 N, particularly preferably about 636 N sets.
- a slip between the first pressure cylinder and the first tear-off cylinder can be set with an error tolerance of a maximum of 3.0%.
- slip is the difference in speed between the first tear-off cylinder and the first pressure cylinder in the first pair of cylinders, which is caused by the different moments of inertia of the two components of the first cylinder pair in connection with the speed of the combing machine. Consequently, the slip mentioned here is a mechanical interaction between two rotating components, with the slip increasing as soon as the frictional force or interaction force between the two components becomes too small.
- a control unit is particularly preferably connected to the pressure regulator and has a data memory in which data sets are stored between the specified speed of the combing machine and the corresponding pressure force for an error tolerance of 3.0% of the slip, so that the control unit can use the Pressure regulator sets the correct pressure force for the first pressure cylinder. It has proven to be advantageous if the slip between the printing cylinder and the tear-off cylinder is in the error tolerance range of between 0.1% and a maximum of 3.0%, since the quality of the fiber web formation is still acceptable in this error tolerance range. The error tolerance increases almost exponentially as a function of the speed with the pressure force set constant, so that only a variable adjustment of the pressure force via the pressure regulator according to the invention can compensate for this almost exponential error tolerance with the negative effect of the slip.
- a rotation angle sensor is also preferably provided which monitors the speed of the combing machine and transmits it to the control unit in order to set the correct pressure force for the first printing cylinder via the pressure regulator as a function of the specified speed of the combing machine.
- the electrical connection of the angle of rotation sensor, pressure regulator and control unit enables the pressure force of the pressure cylinder to be optimally adjusted depending on the speed of the comber.
- the pressing device particularly preferably has a first piston for the first pressure cylinder that can be acted upon by pressure medium, preferably air, the The first piston is connected to the compressed air connection via the pressure regulator.
- pressure medium preferably air
- the pressure medium is preferably compressed air, which is supplied from a compressed air line and transmitted to the piston in a controlled manner via the electrically controllable pressure valve in order to generate the desired pressure force.
- the first piston has a diameter which is designed in such a way that the pressure force between approximately 210 N and approximately 640 N for the first pressure cylinder can be set via the pressure regulator.
- This has the advantageous effect that the pressure cylinder has an optimal contact pressure in order to obtain a good soldered connection of the combed fiber packages as a function of the speed of the combing machine.
- a pressure value deviation of +/- 1.0% is considered to be in the claimed value range.
- the first piston preferably has a diameter of approximately 30 mm to approximately 38 mm, preferably approximately 32 mm. In this way it is advantageously possible to set the desired pressure force on the first pressure cylinder without even approaching the system pressure range of approximately 6.9 bar. Thus, with the claimed design of a piston, it is easily possible to use only a fraction of the system pressure for the desired compressive force. Incidentally, this differs from conventional pistons, in which the piston diameter is in the range of 26 mm and thus the first pressure cylinder requires a system pressure of approximately 7 bar to achieve the desired pressure force of to apply about 500 N.
- a second pair of cylinders is preferably provided consisting of a second tear-off cylinder rotatable in the combing machine with a pilgrim step movement and a second pressure cylinder, the second pair of cylinders being connected downstream of the first pair of cylinders in the transport direction of a fiber fleece.
- the second pair of cylinders is connected downstream of the first pair of cylinders, seen downstream in the transport direction of the fiber fleece, and accordingly guides the already combed out and soldered back together fiber packages in a known manner to downstream transport rollers.
- respective pressing devices are designed to apply a first pressure force to the first pressure cylinder of the first cylinder pair and a second pressure force to the second pressure cylinder of the second cylinder pair via the pressure regulator, the second pressure force depending on the speed of the combing machine is greater than the first compressive force.
- the control unit enables the pressure regulator to be set for the larger second pressure force compared to the smaller first pressure force in order to advantageously obtain a regular sliver fleece with smooth edges. Due to the setting of the respective pressure force as a function of the speed of the comber, a corresponding high-quality combing web for combing numbers of 400 KS / min to 700 KS / min of a comber can be easily set.
- the second pressure force is preferably at least 10% greater than the first pressure force.
- the setting of the different pressure forces for the first pressure cylinder and the second pressure cylinder is also possible through the dimensioning, respectively.
- the changed diameter of the first piston compared to a second piston possible, whereby in this embodiment a single pressure regulator is sufficient, which transfers the same system pressure in the form of air to the respective differently dimensioned pistons and thus a different first pressure force compared to the largest Ren second pressure force generated, which act on the corresponding pressure cylinder.
- the present invention further relates to a combing machine with a tear-off cylinder unit according to the invention. Show it:
- FIG. 1 shows a side view of parts of a combing head with a tear-off cylinder unit comprising two pairs of cylinders
- FIG. 3 shows a schematic representation of a pair of cylinders according to FIG. 1 with a tear-off cylinder movement and a pressure cylinder movement with constant contact pressure and a different number of nipples;
- FIG. 4 shows a schematic representation of the error tolerance of the cylinder pair according to FIG. 3 as a function of different numbers of nipples;
- FIG. 6 shows a graphical representation of the error tolerance of a cylinder pair according to FIG. 1 with different contact pressure and different number of nipples
- 7 shows a schematic representation of the error tolerance of the cylinder pair in relation to the pressure force on the pressure cylinder as a function of the number of nipple cycles
- FIG. 8 shows a schematic illustration of the pressure force on the pressure cylinder in FIG.
- FIG. 9 shows a side view of parts of a combing head with a further tear-off cylinder unit.
- 1 shows, purely schematically, an enlarged section of parts of a combing head 10 of a combing machine with oscillating tongs 12 comprising an upper tong plate 14 and a lower tong plate 16.
- the tong 12 is shown in a front position in a tear-off cylinder unit 18.
- the tear-off cylinder unit 18 contains two pairs of cylinders 20a, 20b arranged parallel to one another.
- the first pair of cylinders 20a, adjacent to the pliers 12, consists of a first tear-off cylinder 22a and a first pressure cylinder 24a
- the second, second cylinder pair 22b, further away from the pliers 12 - in the transport direction of a slivered fleece - consists of a second tear-off cylinder 22b and a second Pressure cylinder 24b.
- the tongs 12 are in a rear position in a known manner, with a tuft being clamped at a clamping point between the lower tong plate 16 and the upper tong plate 14 and being combed out by a rotating circular comb (not shown).
- the tongs 12 are then moved into the front position and opened as shown in FIG. 1, the tear-off cylinders 22a, 22b being rotated clockwise through a predetermined angle by a drive (not shown) contained in the combing machine, so that the The rear end of the previously formed combed fleece emerges from a clamping point of the first pair of cylinders 20a and the front end of the fiber bar lying on the lower nipper plate 16 and combed with the round comb comes to lie on this rear end in the manner of a roof tile or scale. Then the tear-off cylinders 22a, 22b are predetermined by a second, larger one Rotated angle counterclockwise in order to grasp, solder and tear off the fiber beard via the cylinder pairs 20a, 20b.
- the tear-off cylinder unit 18 contains a separate pressing device 26a or 26b for each pair of cylinders 20a, 20b for pressing the tear-off cylinder 22a or 22b and the pressure cylinder 24a or 24b against one another.
- Each pressing device 26a and 26b respectively comprises a bearing bracket 28a and 28b for corresponding bearings 30a and 30b of the two pressure cylinders 24a and 24b.
- a block 32 contains a separate piston 34a or 34b for each of the bearing brackets 28a and 28b, respectively, to the piston tappet 36a or 36b of which the relevant bearing bracket 28a or 28b is attached, the respective piston 34a and 34b in the one that is in operation Block 32 is slidably guided.
- the block 32 contains a corresponding chamber 38a or 38b, to which compressed air is supplied during operation through a line (not shown) to the corresponding piston 34a or 34b and thus the to push the corresponding bearing carrier 28a or 28b downwards and thus to press the corresponding pressure cylinder 24a or 24b with a pressure force defined over a diameter 40 of the piston 34 against the corresponding tear-off cylinder 22a or 22b.
- the first piston 34a and the second piston 34b have the same diameter 40 of approximately 32 mm.
- FIG. 2 shows, purely schematically, a conventional control device 42 for the tear-off cylinder unit 18 according to FIG. 1 for generating a known mit step movement of the tear-off cylinders via a first drive motor 44 and for the circular comb 46 for generating a rotary movement via a second drive motor 48, with the two drive motors 44, 48 are matched to one another via a control unit 50.
- the compressed air connection 52 for the pressure cylinders of the tear-off cylinder assembly 18, as described in FIG. 1, is directly connected to the respective piston (indicated by two arrows), so that a system pressure of about 7 bar in Unfiltered form of compressed air acts on the piston of the pressure cylinder via the compressed air connection.
- the diameter of the Piston in the known tear-off cylinder unit 18 is approximately 26 mm in size, so that at a system pressure of approximately 7 bar a constant pressure force in the sense of a pressure force of approximately 495 N presses the pressure cylinder against the tear-off cylinder.
- the first drive motor 44 performs the step stepping movement for the tear-off cylinder in order to enable the tile-like soldering of the fiber packages combed out by the circular comb 46 with the cylinder pair.
- the combed fiber packet is clamped between the pair of cylinders like a roof tile and the two cylinders are pressed against each other by the constant pressure of 495 N, which defines the quality of the soldered fiber fleece in conventional combing machines.
- the drag entrainment from the tear-off cylinder to the printing cylinder comes about in that the rotational movement of the tear-off cylinder generates a counterforce that counteracts the constant contact pressure from the printing cylinder.
- FIG. 3 illustrates the cylinder path of the tear-off cylinder ARZ (bold solid black line) and the cylinder path of the printing cylinder DRZ (solid black line) in each case as a function of the machine index per nip. Furthermore, FIG. 3 shows the cylinder travel of the printing cylinder DRZ as a function of differently set numbers of nipple cycles between 350 KS / min and 700 KS / min.
- the first part of the cylinder path of the Abreisszy- cylinder ARZ is a predetermined angle clockwise (see Y-axis from 0 mm to -57 mm), then at -57 mm the cylinder path of the Abreisszy is reversed - Linders ARZ counterclockwise by a second, larger, predetermined angle with a linear increase up to 10 mm and then to a plateau at 26 mm.
- This cylinder path profile is typical for tear-off cylinders on combing machines in order to execute the so-called vocational step movement so that the individual with the circular comb and a top-comb combed fiber packages can be placed on top of one another like roof tiles and soldered together with at least the first cylinder pair according to FIG.
- the cylinder path of the printing cylinder DRZ runs in exactly the opposite circumferential direction per nipple play at the same time as the cylinder path of the tear-off cylinder ARZ.
- the soldering process with the cylinder pairs takes place, as shown in Fig. 3, in the range of 10 mm to 26 mm and a machine index of 24 to 40, i.e. in the area where the tear-off cylinder is driven counterclockwise and receives the contact pressure for the stability of the soldered fiber fleece via the pressure cylinder.
- the cylinder travel of the tear-off cylinder ARZ is exactly the reverse of the cylinder travel of the printing cylinder DRZ shown as a solid black line with a nipple cycle rate of around 320 KS / min and constant contact pressure of 495 N.
- the cylinder travel from the tear-off cylinder and the cylinder travel from the impression cylinder are the same in terms of amount at around 320 KS / min and 495 N.
- the cylinder travel of the printing cylinder becomes shorter as the number of nipples increases and the cylinder travel from the tear-off cylinder remains the same, which means that these different cylinder routes, depending on the number of nips, significantly influence the soldering process because the constant contact pressure that acts on the tear-off cylinder from the impression cylinder , is no longer sufficient to rotate at the same or at least approximately the same speed as the tear-off cylinder.
- the higher speed of the round comb can be explained by the fact that the faster supply of the combed-out fiber mass together with the rotary movement of the tear-off cylinder no longer applies sufficient counterforce in the form of dragging for the printing cylinder, so that the speed of the printing cylinder increases with a constant contact force of 495 N can no longer adapt to the speed of the tear-off cylinder, which causes the different cylinder paths for the printing cylinder according to FIG. 3.
- FIG. 4 illustrates the percentage error tolerance of the cylinder pair as a function of the number of nipples in accordance with the cylinder travel shown in FIG. 3 with the machine index of 40 and the constant contact force F of 495 N.
- the influence can be seen in this illustration the number of comb cycles on the error tolerance between the two cylinders (ARZ vs. DRZ) of the cylinder pair. From a nipple cycle number of greater than 580 KS / min, the error tolerance increases almost exponentially, which leads to a considerable loss of quality during the soldering process by the cylinder pair.
- an error tolerance of the cylinder pair of a maximum of 3% is still acceptable for a qualitative soldering process, but this is higher than 580 KS / min with a constant contact pressure of 495 N and a number of nipples, as shown in FIG. 4 by a dotted border line shown, no longer given.
- FIG. 5 shows a schematic representation of how the control unit 50 is connected to a pressure regulator 54 according to the invention in connection with the tear-off cylinder unit 18 according to FIG. 1 and a circular comb 46 of a combing machine.
- the compressed air connection 52 is connected via an electrically controllable pressure valve 56 to the piston of the tear-off cylinder assembly 18 described in FIG. 1 and the pressure regulator 54 controls the electrically controllable pressure valve 56 via the control unit 50.
- the compressed air connection 52 has the system pressure of about 6.9 bar a pressure between 0.1 bar and 6.9 bar is continuously adjustable on and via the electrically controllable pressure valve 56 in connection with the pressure regulator 54.
- a rotation angle sensor 58 is connected to the control unit 50, the rotation angle sensor 58 detecting the speed of the circular comb 46.
- the control unit 50 is designed to monitor the rotational speed of the circular comb 46 via the angle of rotation sensor 58 and to set the desired pressure force on the pressure cylinder of the tear-off cylinder assembly 18 via the pressure regulator 54.
- the control unit 50 also includes a data memory 60 with information about the speed of the combing machine in connection with the pressure force for the pressure cylinder of the tear-off cylinder unit 18, in order to ensure via the pressure regulator 54 that a maximum between the speed of the pressure cylinder and the speed of the tear-off cylinder Error tolerance of 3% is not exceeded.
- the electrically controllable pressure valve 56 can be controlled via the pressure regulator 54 according to the invention in connection with the control unit 50 so that the system pressure applied to the compressed air connection 52 can be continuously adjusted from 0.1 bar to a maximum of 6.9 bar, whereby the pistons according to FIG. 1 of the pressure cylinder are dimensioned in such a way that, depending on the speed of the combing machine, a pressure force between 210 N and 610 N is sufficient to achieve the maximum error tolerance of 3%.
- the pressure regulator it is thus possible to use the pressure regulator to set a pressure force as a function of the number of nip play, which allows the speed of the pressure cylinder to not change excessively compared to the speed of the tear-off cylinder, so that the mechanical slip explained in FIG - is tied.
- a high quality of the soldering process with the cylinder pairs can be maintained depending on the number of nipples.
- FIG. 6 shows the error tolerance of a cylinder pair according to FIG. 1 as a function of the speed of the combing machine and with differently applied contact pressure with the pressure regulator according to the invention, as explained in connection with FIG.
- the error tolerances shown for the cylinder pair clearly illustrate the dependence on the number of nipple cycles as well as on the pressure force. The smaller the compressive force, the higher the error tolerance with an increasing number of nests and vice versa.
- FIG. 7 shows the pressure force at which the error tolerance of the cylinder pair has a maximum error tolerance of 3% for the different numbers of nipple cycles.
- This situation is shown accordingly in FIG. 8, the X-axis defining the number of comb cycles from 400 KS / min to 650 KS / min and the Y-axis defining the pressure forces of the printing cylinder taken from FIG. 7 with an error tolerance of a maximum of 3 % having.
- device R 2 0.9999
- FIG. 9 shows an alternative embodiment of a further tear-off cylinder unit 18B, in which, in contrast to the embodiment according to FIG. 1, only the two pistons 34a 'and 34b' each have a different smaller first diameter 40a or larger second diameter 40b. Due to the different diameters 40a and 40b of the first piston 34a 'and second piston 34b', with the same compressed air, a different pressure force can be exerted on the first pressure cylinder 24a via the first piston 34a 'and on the second pressure cylinder via the second piston 34b' 24b. Here, the pressure force via the second piston 34b 'is greater than the further pressure force via the first piston 34a'.
- the pressure regulator according to FIG.
- the pressure regulator can also be used to adjust the contact pressure of the pressure cylinder if, after the soldering process with the tear-off cylinder unit, the quality of the combed fiber fleece is not in one specified quality range.
- the quality of the combed fiber fleece is defined on the basis of the sliver evenness by the so-called CV value, whereby the fineness of the outgoing sliver is continuously monitored by means of a movable calender disc in connection with a contactless inductive / eddy current sensor.
- CV value so-called CV value
- Such a quality monitoring system is known, for example, under the name Rieter Quality Monitor (RQM).
- the Rieter Quality Monitor monitors especially the thick spots of the fiber fleece online, the thick spots being an indication of whether the pairs of tear-off cylinders are set satisfactorily for the soldering process.
- the sensor for monitoring thick spots can transmit a data signal to the control unit via a signal line, the control unit correspondingly controlling the pressure regulator so that the pressure cylinder of the cylinder pair receives sufficient contact pressure to to regain an optimal quality of the fiber fleece.
- the RQM in conjunction with the pressure regulator is a very good quality monitoring system for the combed-out nonwoven.
- the pressure regulator can be adjusted depending on the number of combing cycles and / or depending on the quality of the combed fiber fleece, the quality of the combed fiber fleece in terms of strength through the soldering process and the minimization of thick spots are in the foreground in order to guarantee an optimal quality of the yarn in the final spinning process.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH00616/19A CH716167A1 (de) | 2019-05-09 | 2019-05-09 | Abreisszylinderaggregat mit einer Vorrichtung für Druckzylinder von Abreisszylinderpaaren einer Kämmmaschine. |
| PCT/IB2020/054083 WO2020225664A1 (de) | 2019-05-09 | 2020-04-30 | Abreisszylinderaggregat mit einer vorrichtung für druckzylinder von abreisszylinderpaaren einer kämmmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3966373A1 true EP3966373A1 (de) | 2022-03-16 |
| EP3966373B1 EP3966373B1 (de) | 2023-06-07 |
Family
ID=70554136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20724213.2A Active EP3966373B1 (de) | 2019-05-09 | 2020-04-30 | Abreisszylinderaggregat mit einer vorrichtung für druckzylinder von abreisszylinderpaaren einer kämmmaschine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3966373B1 (de) |
| CN (1) | CN113795617B (de) |
| CH (1) | CH716167A1 (de) |
| WO (1) | WO2020225664A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102023135348A1 (de) | 2023-12-15 | 2025-06-18 | Trützschler Group SE | Verfahren zur Regelung eines einstellbaren Arbeitsdruckes an einer Kämmmaschine und Kämmmaschine |
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| EP0336217A3 (de) * | 1988-04-08 | 1990-04-11 | Maschinenfabrik Rieter Ag | Druckwalze zum Anpressen an einen rotierenden Zylinder einer Textilmaschine |
| CH680371A5 (de) | 1989-12-12 | 1992-08-14 | Rieter Ag Maschf | |
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| CN1107525A (zh) * | 1993-03-11 | 1995-08-30 | 赫尔穆特·马科威策凯 | 棉条产品的生产方法及设备 |
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| EP0771893B1 (de) * | 1995-11-02 | 2000-01-26 | Vouk S.p.A. Officine Meccanotessili | Vorrichtung für einen Hin- und Herdrehantrieb von Abreisszylindern einer Kämmaschine |
| IT1317208B1 (it) * | 2000-04-11 | 2003-05-27 | Vouk S P A Officine Meccanotes | Gruppo di comando per l'azionamento a passo del pellegrino deicilindri strappatori in una macchina pettinatrice |
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| DE502007001621D1 (de) * | 2006-12-21 | 2009-11-12 | Rieter Ag Maschf | Abreisswalze für eine Kämmmaschine |
| DE102008004098A1 (de) * | 2007-06-29 | 2009-01-02 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung zur Fasersortierung bzw. -selektion eines Faserverbandes aus Textilfasern, insbesondere zum Kämmen, der über Zuführmittel einer Fasersortiereinrichtung, insbesondere Kämmeinrichtung zugeführt wird |
| ITUD20070213A1 (it) * | 2007-11-09 | 2009-05-10 | Atex Spa | Gruppo di stiro |
| CH699286A2 (de) * | 2008-07-31 | 2010-02-15 | Rieter Ag Maschf | Kämmvorrichtung zum Kämmen eines Fasermaterials. |
| CH699285A2 (de) * | 2008-07-31 | 2010-02-15 | Rieter Ag Maschf | Kämmvorrichtung zum Kämmen eines Fasermaterials. |
| CH699789A2 (de) * | 2008-10-24 | 2010-04-30 | Rieter Ag Maschf | Kämmvorrichtung zum Kämmen eines Fasermaterials mit Druckbelastung der Abreisswalze. |
| CN101824658B (zh) * | 2010-01-22 | 2012-11-21 | 中国人民解放军总后勤部军需装备研究所 | 一种麻类韧皮纤维的加工工艺 |
| JP2013076172A (ja) * | 2011-09-29 | 2013-04-25 | Hara Shokki Seisakusho:Kk | コーマ準備機 |
| DE102014108222B4 (de) * | 2014-06-12 | 2017-02-16 | TRüTZSCHLER GMBH & CO. KG | Wickelmaschine zur Erzeugung von Wattewickel und Verfahren zum Wickeln von Faserbändern |
| BG111785A (bg) * | 2014-07-01 | 2016-01-29 | Динко Бахов | Метод и устройство за изресване и изтегляне на щапелни влакна |
| CN107190370B (zh) * | 2017-07-26 | 2023-06-06 | 江苏凯宫机械股份有限公司 | 智能精梳机的可调式牵伸挂钩机构 |
-
2019
- 2019-05-09 CH CH00616/19A patent/CH716167A1/de not_active Application Discontinuation
-
2020
- 2020-04-30 EP EP20724213.2A patent/EP3966373B1/de active Active
- 2020-04-30 CN CN202080034183.2A patent/CN113795617B/zh active Active
- 2020-04-30 WO PCT/IB2020/054083 patent/WO2020225664A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CN113795617A (zh) | 2021-12-14 |
| EP3966373B1 (de) | 2023-06-07 |
| CN113795617B (zh) | 2023-06-13 |
| CH716167A1 (de) | 2020-11-13 |
| WO2020225664A1 (de) | 2020-11-12 |
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