EP4048832A1 - Spinnereivorbereitungsmaschine - Google Patents
SpinnereivorbereitungsmaschineInfo
- Publication number
- EP4048832A1 EP4048832A1 EP20792545.4A EP20792545A EP4048832A1 EP 4048832 A1 EP4048832 A1 EP 4048832A1 EP 20792545 A EP20792545 A EP 20792545A EP 4048832 A1 EP4048832 A1 EP 4048832A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- control
- spinning preparation
- preparation machine
- drum
- machine according
- 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
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
Definitions
- the invention relates to a spinning preparation machine, in particular a card or card, with an inlet side for fiber flocks, which are fed to a rotating drum by means of rollers, and between fixed carding elements and rotating flat bars and the drum are dissolved, aligned and cleaned down to the individual fiber, and the resulting Fiber web is transferred from the drum to a doffer, which is followed by at least one take-off unit for further processing or depositing the fiber web, comprising a machine control that is designed to process and regulate at least the production data.
- a spinning preparation machine e.g. card or card
- sensors for monitoring for example, the temperature of various components, the carding gap, drive or setting motors, as well as the mass throughput of fibers to be used.
- the data from the sensors are fed into the card's control system via electrical lines, where they are evaluated and used to adjust the card, either by informing the operator of an expected change in setting via a signal, or by a control or regulating circuit automatically making a change.
- the electrical lines are routed from all points on the card into the control cabinet, where they are adapted to terminal strips by means of plugs and from there connected to the inputs and outputs of the control system.
- the switchgear cabinet is usually arranged on the back of the card in the area of the feed chute, so that in total several hundred meters of electrical lines quickly come together over the number of sensors, actuators and drive motors. Since some of these electrical lines still transmit the signals in analog form, they must be shielded from the high-frequency motor lines that are subjected to high currents. In addition, the controller has to process more and more of these input / output signals at the same or shorter intervals. In the event of system errors, it is very time-consuming to check all connections, lines and the connected sensors. The effort involved in laying these electrical lines and shielding them against high-frequency currents is very expensive. Accordingly, the invention is based on the object of developing a spinning preparation machine in such a way as to reduce the expenditure for laying and shielding these electrical lines and the expenditure for eliminating possible errors.
- a device is used in a spinning preparation machine, in particular in the form of a card or card, with an inlet side for fiber flocks, which are fed to a rotating drum by means of rollers, and dissolved between fixed carding elements and rotating flat bars and the drum down to the individual fiber, aligned and cleaned, and the resulting fiber web is transferred from the drum to a buyer, which is followed by at least one take-off unit for further processing or depositing the fiber web, comprising a machine control that is designed to process and regulate at least the production data.
- the invention includes the technical teaching that the spinning preparation machine has at least one pilot control which is designed to process data from sensors and / or drives independently of the machine control and to control at least the drives connected to the pilot control.
- the sensors and drives arranged in the local area are connected to the pilot control, so that the cabling can be carried out more easily and less susceptible to interference.
- the sensors and drives that are relevant for the respective assembly are referred to as being located in close proximity, for example the sensors and drives that are arranged on and / or in the area of the assembly (drum, revolving cover, side plates), or that are e.g. a certain function (adjustment of the carding gap, or distance between drum and doffer, or foreign part or nep detection behind the doffer, etc.) are essential. This also makes it easier to identify possible errors in the control, since the data communication between the pre-control and the machine control can be restricted.
- the at least one pilot control can be arranged in the region of the drum on at least one side plate.
- the data from the temperature sensors, which are arranged on the side plate or on or in the area of the drum can flow into the pilot control.
- the pilot control can preferably be arranged in the area of the axis of rotation of the drum on the side plate. This also results in short cable lengths and simple cabling.
- the at least one pilot control can preferably process all relevant data from sensors and drives for carding gap control. This means that the pre-control can be operated independently of the production data of the machine control, which relieves the machine control and enables, for example, the use of different processors.
- the at least one pre-control can have at least one processor for processing data.
- the processor can be programmed independently of the machine control and, for example, combined with an additional memory to form an electronic assembly. This means that modular sub-functions can be programmed and changed in the spinning preparation machine according to customer requirements, regardless of the basic function stored in the machine control.
- the pilot control can communicate with the machine control using a BUS system.
- the BUS system can consist of a cable that is not susceptible to interference, which is very easy to lay.
- the pre-control can preferably be programmable independently of the machine control. This means that a software update for partial functions is possible regardless of any intervention in the machine control.
- the spinning preparation machine can have at least two pilot controls, each pilot controller being designed to process the data from sensors and drives for one or more separate functional areas and to control the associated drives.
- each pilot controller being designed to process the data from sensors and drives for one or more separate functional areas and to control the associated drives.
- a separate pilot control can be arranged on each side plate, which processes the temperature and carding gap data separately for each side of the spinning preparation machine.
- the functional areas can be designed as a carding gap control for each card side, or as a distance control between at least two components or as a quality feature of the fiber web.
- the communication between the pilot control and the machine control can preferably be limited to the exchange of setpoints and actual values for the input of production data and / or to fault or readiness messages.
- the processing of the data from sub-functions takes place independently of one another and accelerates the functionality of the spinning preparation machine. Further measures improving the invention are shown in more detail below together with the description of a preferred exemplary embodiment of the invention with reference to the figures.
- FIG. 1 shows a schematic side view of a spinning preparation machine in the form of a card, in which the device according to the invention is used,
- FIG. 2 shows a perspective illustration of a side plate of a card.
- the spinning preparation machine can be a card K, which is shown in FIG. 1 in a schematically simplified side view.
- the spinning preparation machine can also be designed as a carding machine (not shown).
- Flocks of fiber are fed via a shaft to a feed roller 1, a feed table 2, via several lickerins 3a, 3b, 3c to the drum 4 or the tambour.
- the fibers of the fiber flocks are parallelized and cleaned by means of stationary carding elements (flat rods) 14 arranged on a revolving flat 13 rotating around flat guide rollers 13a, 13b.
- the resulting fiber pile is then conveyed via a doffer 5, a doffing roller 6 and several nip rollers 7, 8 to a fleece guide element 9, which transforms the fiber pile with a pile funnel 10 into a sliver, which is sent via take-off rollers 11, 12 to a subsequent processing machine or a Can 15 is passed with can stick 16.
- the center point (or the bearing axis) of the drum 4 is denoted by M.
- the arrow A indicates the working direction in relation to the fiber material or fiber fleece F.
- the directions of rotation of the rollers are indicated in FIG. 1 by curved arrows, the arrow 4b indicating the direction of rotation of the drum 4.
- the direction of rotation of the revolving flat 13 in the carding position is denoted by C, and the direction of its return transport is denoted by D.
- the area of the card K where the sliver emerges and is deposited in the can 15 is referred to as the front of the card K.
- the switchgear cabinet 25 is usually arranged on the rear side of the card K, that is to say the area in which the fiber flocks are fed.
- the machine control 26 of the card K can also be in the switch cabinet 25 or in the area of the switch cabinet 25 be arranged and communicates with an input display, not shown here, which can be arranged laterally in the area of the sliver exit from the card K.
- the machine control 26 can, however, also be arranged with the input display in a common housing.
- the machine control 26 of the card K all data important for the production of the card are processed, for example the flock feed, the speed of the drive motors, the mass control of the fibers to be processed, the air pressures applied, the can fill level and all options for wear-relevant components.
- the machine control 26 can communicate with a central control of the spinning preparation, so that the data from all machines of the spinning preparation converge there and a quality control and presetting of the various machine types can take place.
- the at least one pilot control 24 is preferably arranged in the area of the drum 4, for example on a side plate 17 or in the area of the axis of rotation of the drum 4, since this is the central point for bringing together the electrical lines to the sensors and actuators that are connected to or are arranged around the drum 4.
- Intelligent preprocessing and compilation of the data from the sensors located in the local area takes place via the at least one pilot control 24, so that the electrical lines are made shorter and the sensitivity to interference is significantly reduced. This has the advantage that the signals arriving here are preprocessed independently of the machine control 26, so that the machine control 26 is relieved of the load.
- the pilot control 24 can have an electronic assembly that is designed as hardware (processor and memory) with which the signals from the sensors and actuators can be preprocessed, or alternatively as a high-performance processor to be configured by software.
- the pilot control 24 is designed to process all relevant data for regulating the carding gap, for example various temperature signals from different components in the machine, various contact signals of the drum 4 with the adjacent components such as lickerins, carding and separating elements, rotating flat rods 14 and / or Pick-up 5, counting signals from the revolving cover 13 and the drum 4, and / or control signals and
- the pilot control 24 can be designed to process the signals permanently, so that carding gap regulation independent of the machine control 26 is possible.
- the contact signals can be evaluated at high frequency in the pre-control 24 in order, for example, to calibrate and set the carding gap between the clothings of the revolving flat 13 and the drum 4.
- the contacts of elements with the drum 4 outside the revolving cover 13 can be recorded and processed in the pilot control 24.
- the control circuit of the actuators of the V-ledge ensures that a pre-selected carding gap is set and kept constant.
- the data from the various temperature sensors are also included, so that the carding gap can be kept constant in the event of a temperature change on the machine.
- the communication of the pilot control 24 with the machine control 26 can be limited to an exchange of setpoint and actual values for the input, to fault or readiness messages and can take place via a digital BUS system.
- This BUS system can consist of a cable that is not susceptible to interference and can have several wires.
- the combination of the functions in the local vicinity of the sensors gives the operator of the machine the opportunity to carry out troubleshooting and control in a more targeted manner without having to laboriously identify the associated assemblies in the control cabinet.
- LEDs can be arranged, which indicate the basic function of each module and its operability to the digital bus node.
- the pilot control 24 is arranged on a side plate 17 in the area of the axis of rotation of the drum 4, for example.
- the pilot control 24 can expediently also be arranged at another central location in the region of the drum 4.
- the data from the actuators and sensors on the temperature of the side plates 17a, the ambient temperature 18, the material inlet monitoring 19, the temperature of the drum cover 21 and the carding gap adjustment 22 are fed to the pilot control 24 via various electrical lines 23.
- an electrical short circuit is passed as a signal via at least one of here four contact arcs 20 on each side of the card to the pilot control 24.
- Software can be uploaded to the pre-control 24, in particular with the automatic carding gap setting, which can determine the location of the contact more precisely by means of statistical evaluation when the clothing tips contact.
- the pilot control 24 can be adapted in a targeted manner to specific requirements of the card operation without having to intervene in the central machine control.
- a plurality of pilot controls 24 can advantageously also be used, for example in order to separately evaluate the sensor data for setting and keeping the carding gap constant on each side of each side plate 17 of the card. This allows one-sided temperature load across the working width of the card, the wedge strips on both sides of the drum 4 are controlled independently in order to adjust the carding gap.
- the two pre-controls 24 can communicate with one another independently of the machine control and forward their data to the machine control 26 independently of one another. This then also contributes to easier installation and troubleshooting.
- a further pilot control 24 can be arranged in the area of the doffer 5, on the one hand to regulate the spacing of the clothing between the doffing device 5 and the drum 4, and on the other hand also to control the data from the nep sensor or sensors which are arranged in the area of the doffing device 5, preprocessing.
- the precontrol 24 according to the invention can be used to systematically preprocess the signals and thus reduce the complexity and susceptibility of the overall system to errors.
- the installation of the sensors and actuators is simpler, cheaper and less prone to errors, since the electrical lines from the area of the drum 4 or the side plate 17 only have to be connected to the pilot control 24.
- the BUS system used in the pilot control 24 can be configured individually by software in order to be able to carry out any conceivable control task, even of high complexity, independently of the machine control 26.
Landscapes
- 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 |
|---|---|---|---|
| DE102019128620.4A DE102019128620A1 (de) | 2019-10-23 | 2019-10-23 | Spinnereivorbereitungsmaschine |
| PCT/EP2020/077460 WO2021078485A1 (de) | 2019-10-23 | 2020-10-01 | Spinnereivorbereitungsmaschine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4048832A1 true EP4048832A1 (de) | 2022-08-31 |
| EP4048832B1 EP4048832B1 (de) | 2024-12-04 |
Family
ID=72895898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20792545.4A Active EP4048832B1 (de) | 2019-10-23 | 2020-10-01 | Spinnereivorbereitungsmaschine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4048832B1 (de) |
| CN (1) | CN114651094B (de) |
| DE (1) | DE102019128620A1 (de) |
| WO (1) | WO2021078485A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934422B (zh) * | 2022-05-27 | 2023-09-29 | 江苏金堰交通工程有限公司 | 一种沥青路面平整装置 |
| DE102022119898A1 (de) * | 2022-08-08 | 2024-02-08 | Trützschler Group SE | Karde |
| CN115976694B (zh) * | 2023-02-22 | 2025-05-27 | 枣阳市博大纺织有限公司 | 一种超低棉结梳棉机 |
| CN117552128A (zh) * | 2023-12-12 | 2024-02-13 | 颍上鑫鸿纺织科技有限公司 | 一种梳棉机松棉上料装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE59710155D1 (de) * | 1996-04-12 | 2003-07-03 | Rieter Ag Maschf | Sensor für den Kardierspalt bzw. Nachstellen des Kardierspaltes |
| EP1167591A1 (de) * | 2000-06-23 | 2002-01-02 | Maschinenfabrik Rieter Ag | Übertragungsfaktor |
| DE10037710A1 (de) * | 2000-08-02 | 2002-02-14 | Rieter Ag Maschf | Vorrichtung zum Einstellen des Arbeitsspaltes zwischen den Spitzen von Deckelgarnituren und den Spitzen der Trommelgarnitur einer Karde |
| EP1781847B1 (de) * | 2004-08-03 | 2010-03-03 | Maschinenfabrik Rieter Ag | Vorrichtung und verfahren an einer karde |
| DE102008028807A1 (de) * | 2008-06-19 | 2009-12-24 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung an einer Textilmaschine, insbesondere Karde, Krempel o. dgl. mit mindestens zwei Walzen oder Walzengruppen |
| CN204780137U (zh) * | 2015-06-26 | 2015-11-18 | 恒天重工股份有限公司 | 适用于非织造布生产线中的全固定盖板式梳理机 |
| DE102017101865A1 (de) * | 2017-01-31 | 2018-08-02 | TRüTZSCHLER GMBH & CO. KG | Karde mit einer Vorrichtung zur Einstellung des Kardierspaltes |
| DE102018104150A1 (de) * | 2018-02-23 | 2019-08-29 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung und Verfahren zum Einstellen eines Arbeitsabstandes zwischen einer Trommel und mindestens einem hierzu benachbarten Arbeitselement bei einer Spinnereivorbereitungsmaschine |
-
2019
- 2019-10-23 DE DE102019128620.4A patent/DE102019128620A1/de active Pending
-
2020
- 2020-10-01 WO PCT/EP2020/077460 patent/WO2021078485A1/de not_active Ceased
- 2020-10-01 EP EP20792545.4A patent/EP4048832B1/de active Active
- 2020-10-01 CN CN202080074681.XA patent/CN114651094B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE102019128620A1 (de) | 2021-04-29 |
| EP4048832B1 (de) | 2024-12-04 |
| CN114651094A (zh) | 2022-06-21 |
| WO2021078485A1 (de) | 2021-04-29 |
| CN114651094B (zh) | 2024-04-12 |
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