CN114651094A - Spinning preparation machine - Google Patents
Spinning preparation machine Download PDFInfo
- Publication number
- CN114651094A CN114651094A CN202080074681.XA CN202080074681A CN114651094A CN 114651094 A CN114651094 A CN 114651094A CN 202080074681 A CN202080074681 A CN 202080074681A CN 114651094 A CN114651094 A CN 114651094A
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- Prior art keywords
- control device
- spinning preparation
- preparation machine
- cylinder
- machine
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- 238000009987 spinning Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 238000009960 carding Methods 0.000 claims abstract description 37
- 239000000835 fiber Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 4
- 238000000151 deposition Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000010972 statistical evaluation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
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
Abstract
The invention relates to a spinning preparation machine, in particular a flat card (K) or a roller card, having an entry side for a fibre strand, which is conveyed by means of rollers to a rotating cylinder (4) and is broken down into individual fibres, oriented and cleaned between a stationary carding element and a surrounding cover strip (14) and cylinder (4), and the fibre web produced in this process is conveyed from the cylinder (4) to a doffer (5), downstream of which at least one separating device is provided for further processing or storage of the fibre web (19), comprising a machine control device (26) which is at least designed to process and adjust production data. The invention is characterized in that the spinning preparation machine has at least one pilot control device (24) which is designed to process sensor and/or drive data independently of the machine control device (26) and to control a drive connected to the pilot control device (24).
Description
Technical Field
The invention relates to a spinning preparation machine, in particular a flat card or roller card, having an entry side for a fibre strand, which is conveyed by means of rollers to a rotating cylinder and is broken down into individual fibres, oriented and cleaned between a stationary carding element and a surrounding cover strip and cylinder, and the fibre web produced in this way is conveyed from the cylinder to a doffer, downstream of which at least one separating device is provided for further processing or storage of the fibre web, comprising a machine control which is at least designed for processing and regulating production data.
Background
From the prior art, it is known in the textile technology field to use sensors for monitoring, for example, the temperature of the individual components, the carding gap, the drive or regulating motor and the throughput of fibers in a spinning preparation machine (for example, a flat card or roller card) for processing cotton, chemical fibers or the like. The data of the sensors are transmitted via electrical lines to a control device of the carding machine, evaluated there and used to adjust the carding machine, either by signaling the operator to the desired setting change or by the control or regulation circuit automatically changing. These electrical lines are led from various points of the carding machine to the switch cabinet, where they are fitted to the terminal block by means of plugs and from there connected to the inputs and outputs of the control device. As a rule, the switch cabinet is arranged on the rear side of the carding machine in the region of the feed shaft, so that, due to the number of sensors, control devices and drive motors, a total of several hundred meters of electrical lines is available. Since a part of these electrical lines still relay signals in analog form, they must be shielded from the high-frequency and high-current-carrying motor conductors. Furthermore, the control device must process more and more input/output signals at the same or shorter intervals. In the event of a system failure, it is very costly to check all the terminals, wires and connected sensors. The cost of laying these electrical leads and shielding the high frequency currents is quite expensive.
Disclosure of Invention
Accordingly, the object of the invention is to improve a spinning preparation machine in such a way that the costs for laying and shielding the electrical lines are reduced and the costs for eliminating possible faults are reduced.
The invention solves the proposed task by means of a device having the features specified in claim 1. Advantageous developments of the invention are defined in the dependent claims.
The device according to the invention is used in a spinning preparation machine, in particular in the form of a flat card or roller card, having an entry side for a fiber strand, which is conveyed by means of rollers to a rotating cylinder and is broken down into individual fibers, oriented and cleaned between a stationary carding element and a surrounding cover plate and cylinder, and the fiber web produced thereby is conveyed from the cylinder to a doffer, downstream of which at least one separating device is provided for further processing or storage of the fiber web, comprising a machine control which is at least designed for processing and regulating production data.
The technical teaching of the invention is that the spinning preparation machine has at least one pilot control device, which is designed to process the data of the sensors and/or the drives independently of the machine control device and to actuate at least the drives connected to the pilot control device. In particular, locally arranged sensors and drives are connected to the precontrol device, so that wiring is simpler and less susceptible to interference. The sensors and drives associated with the individual components are referred to as sensors and drives which are arranged locally, i.e. for example in the region of the components (cylinder, revolving deck, side plates) or at this region, or which are important for example for a specific function (carding nip adjustment or spacing adjustment of the cylinder from the doffer or foreign body or nep detection behind the doffer, etc.). Thus, a possible fault in the control can be easily determined, since the data communication between the pilot control and the machine control can be limited.
In an advantageous development of the invention, the at least one pilot control device is arranged on at least one side plate in the region of the cylinder. Thus, for example, data from temperature sensors arranged on the side plates or in or at the region of the cylinder can be input into the precontrol device. Preferably, the pilot control device can be arranged on the side plate in the region of the axis of rotation of the cylinder. This also results in short conductor lengths and simple wiring.
Preferably, the at least one precontrol device can process all relevant data of the sensors and drives for the carding nip adjustment. The pilot control can thus be operated independently of the production data of the machine control, which reduces the load on the machine control and enables the use of different processors, for example.
To this end, the at least one pilot control device may have at least one processor for processing data. The processor may be programmable independently of the machine control device and may for example be combined with additional memory into an electronic assembly. The modular sub-functions can thus be integrated into the spinning preparation machine and modified according to the customer requirements independently of the basic functions stored in the machine control.
Advantageously, the pilot control device can communicate with the machine control device using a bus system. The bus system can be made of one cable that is not easily disturbed, which is easy to lay.
Preferably, the pilot control is programmable independently of the machine control. The software update for the sub-functions can thereby be independent of the intervention of the machine control.
In an advantageous embodiment, the spinning preparation machine can have at least two pilot controls, wherein each pilot control is designed to process data from sensors and drives for one or more individual functional ranges and to control the associated drive. For example, a separate pilot control can be arranged on each side plate, which processes the temperature and carding nip data separately for each side of the spinning preparation machine.
The functional range can be designed for the carding gap adjustment on each side of the carding machine, or for the spacing between at least two components, or for the quality characteristics of the thin fibrous web.
Preferably, the communication of the pilot control with the machine control can be limited to the exchange of input nominal and actual values with respect to production data and/or to a fault or readiness report. The data processing from the sub-functions thereby takes place independently of one another and speeds up the efficiency of the spinning preparation machine.
Drawings
Further measures which improve the invention are explained in more detail below together with the description of preferred embodiments of the invention with the aid of the drawing.
In the figure:
FIG. 1 shows a schematic side view of a spinning preparation machine in the form of a carding machine, in which a device according to the invention is used;
fig. 2 shows a perspective view of a side plate of the carding machine.
Detailed Description
Preferred embodiments of the spinning preparation machine and method according to the invention are subsequently explained with reference to fig. 1 to 2. Like features in the figures are provided with like reference numerals. It is to be understood that the figures are shown simplified and not to scale.
The spinning preparation machine can be a flat card K, which is shown in fig. 1 in a schematic, simplified side view. Alternatively, the spinning preparation machine can also be designed as a roller carding machine, not shown. The fibre bundle is guided via a shaft to a feed roller 1, a feed plate 2 and via a plurality of lickerin rollers 3a,3b,3c to a cylinder 4 or drum. On the cylinder 4, the fibers of the fiber bundles are made parallel and cleaned by means of a stationary and circulating carding element (cover strip) 14, which is arranged on a revolving cover 13 revolving around cover deflecting rollers 13a,13 b. The resulting web is then conveyed by the doffer 5, the stripper roller 6 and the plurality of press rollers 7, 8 to a web guide element 9, which converts the web into a fiber sliver by means of a collecting funnel 10, which is transferred by way of separating rollers 11, 12 to a can 15 of a subsequent processing device or a coiler 16. The center (or bearing axis) of the cylinder 4 is marked with M. Arrow a indicates the machine direction of the fibrous material or web F. The direction of rotation of the individual rollers is indicated in fig. 1 by curved arrows, wherein the arrow 4b shows the direction of rotation of the cylinder 4. The direction of rotation of the revolving flat 13 in the carding position is marked with C and the direction of return of the revolving flat is marked with D. The region of the flat card K where the sliver is discharged and deposited in the can 15 is referred to as the front side of the flat card K. At the rear side of the carding machine, i.e. in the region of the input fibre bundle, a switch cabinet 25 is usually provided. The machine control 26 of the flat card K can likewise be arranged in the switch cabinet 25 or in the region of the switch cabinet 25 and communicate with an input display, not shown here, which can be arranged laterally in the region of the flat card K, where the sliver is discharged. The machine control 26 may also be arranged in a common housing with the input display.
All data which are important for the production of the card, such as the fibre tow feed, the rotational speed of the drive motor, the quality control of the fibres to be processed, the air pressure present, the can filling and all options for wear-related components, are processed in the machine control 26 of the flat card K. The machine control 26 can communicate with the central control of the spinning preparation machine, so that the data of all the machines prepared for spinning are collected there and quality control and presettings of the different types of machines can be carried out.
The at least one pilot control device 24 according to the invention is preferably arranged in the region of the cylinder 4, for example on the side plate 17 or in the region of the axis of rotation of the cylinder 4, since there is a central point of convergence of the electrical lines to the sensors and servos arranged on the cylinder 4 or around the cylinder. The data from the locally arranged sensors are intelligently preprocessed and summed by the at least one pilot control device 24, so that the electrical lines are shorter and the susceptibility to interference is significantly reduced. The advantage is that the signals flowing into this are preprocessed independently of the machine control device 26, so that the load on the machine control device 26 is reduced. For this purpose, the pilot control device 24 can have electronic components (processor and memory) designed as hardware, with which the signals of the sensors and the servo drives can be preprocessed, or alternatively it can be designed as a high-performance processor configured by software. In particular, the precontrol device 24 is configured to process all data relating to the adjustment of the carding nip, for example various temperature signals of the different components in the machine, various contact signals of the cylinder 4 with adjacent components (such as the lickerin roll, carding and stripping elements, the surrounding cover strip 14 and/or the doffer 5), counting signals of the revolving cover 13 and the cylinder 4, and/or control signals and feedback for driving the adjustment of the wedge strips and thus of the carding nip. The pilot control 24 can be designed to continuously process the signals, so that the carding nip can be set independently of the machine control 26.
The contact signal can be evaluated at a high frequency in the pilot 24, for example, in order to calibrate and adjust the carding gap between the clothing of the revolving flat 13 and the clothing of the cylinder 4. Alternatively or additionally, the contact of the individual components with the cylinder 4 outside the revolving cover 13 can be detected and processed in the pilot control 24. The adjustment circuit of the servo drive of the wedge strip ensures that the preselected comb gap is adjusted and remains constant. In this case, data from temperature sensors are additionally included, so that the carding nip can be kept constant as the temperature of the machine changes. The communication of the pilot control 24 with the machine control 26 can be limited to the exchange of setpoint values and actual values, fault or readiness reports with respect to inputs and can take place via a digital bus system. Such a bus system can be made of a cable with a plurality of conductors that is not susceptible to interference. The aggregation of the functions of the sensors locally enables the operator of the machine to specifically troubleshoot and control without having to laboriously identify the relevant components in the switchgear cabinet. LEDs may be arranged on the digital bus nodes, which LEDs indicate the basic function of the individual components and their functional readiness.
According to fig. 2, the pilot control 24 is arranged on the side plate 17, for example in the region of the axis of rotation of the cylinder 4. The pilot control 24 can also be arranged in a suitable manner at another central position in the region of the cylinder 4. Data from the servo drives and sensors regarding the temperature of the side plates 17a, the ambient temperature 18, the feed monitoring 19, the temperature 21 of the apron of the cylinder and the carding nip adjustment 22 are conducted to a pre-control device 24 via electrical conductors 23. In the case of electrical contact of the clothing of the revolving flat 13 with the clothing of the cylinder 4, an electrical short circuit is conducted as a signal to the pre-control device 24 via at least one contact arc 20 (here four) on each side of the card. In particular, in the case of automatic adjustment of the carding nip, software can be uploaded into the precontrol device 24, which can determine the position of the contact more precisely in the case of a contact of the clothing tip by means of statistical evaluation. Thus, the pilot control device 24 can be specifically adapted to the specific requirements of the carding operation without having to intervene in a central machine control.
Advantageously, a plurality of precontrol devices 24 can also be used in order to evaluate the sensor data for adjusting and keeping the carding nip constant, for example in a carding machine, on each side plate 17 individually. Thereby, when one side of the width of the carding machine is loaded with temperature, the wedge strips on both sides of the cylinder 4 can be independently controlled to adjust the carding gap. The two pilot control devices 24 can communicate with one another independently of the machine control device and their data can be forwarded to the machine control device 26 independently of one another. This also helps to simplify installation and troubleshooting.
A further precontrol device 24 can be arranged in the region of the doffer 5, on the one hand in order to adjust the clothing spacing between the doffer 5 and the cylinder 4, and on the other hand also in order to preprocess the data from one or more nep sensors arranged in the region of the doffer 5.
Due to the further development of textile machines in technology, it is always unavoidable to use more and more sensors and servo drives, so that the signal can be systematically preprocessed by the pilot control device 24 according to the invention and the complexity and error susceptibility of the overall system can be reduced. The installation of the sensors and the servo drives becomes simpler, cheaper and less prone to errors, since the electrical lines from the cylinder 4 or in the region of the side plates 17 only need to be connected to the pilot control 24. Unlike the existing and available bus systems of the accessory industry, the bus system used in the pilot control device 24 can be configured solely by software, in order to be able to perform any possible control tasks independently of the machine control device 26, even if very complex.
List of reference numerals
K cover plate type carding machine
1 feed roller
2 feeding plate
3a,3b,3c licker-in
4 Cylinder
4b (of the cylinder 4)
5 doffer
6 stripping roller
7. 8 extrusion roller
9 web guiding element
10 collective bell mouth
11. 12 detaching roller
13 revolving cover plate
13a,13b cover plate turning roller
14 cover strip
15 can
16 can coiler
17 side plate
17a side plate temperature sensor
18 ambient temperature sensor
19 feeding monitoring sensor
20 arc of contact
Temperature sensor for guard plate of 21 cylinder
22 combing gap adjusting sensor
23 electric lead
24 precontrol device
25 switch cabinet
26 machine control device
A machine direction
C (of the revolving cover 13) direction of rotation
D (direction of return of the cover strip 14)
M (of the cylinder 4) center or bearing axis.
Claims (10)
1. Spinning preparation machine, in particular a flat card (K) or roller card, having an entry side for a fibre strand, which is conveyed by means of rollers to a rotating cylinder (4) and is broken down into individual fibres, oriented and cleaned between a stationary carding element and a surrounding cover strip (14) and cylinder (4), and the fibre web produced there is conveyed from the cylinder (4) to a doffer (5), downstream of which at least one separating device is arranged for further processing or depositing the fibre web (19), comprising a machine control device (26) which is at least designed to process and regulate production data, characterized in that the spinning preparation machine has at least one precontrol device (24) which is designed to process data of sensors and/or drives independently of the machine control device (26) and to at least control and regulate the precontrol device A driver connected with the control device (24).
2. Spinning preparation machine according to claim 1, characterized in that the at least one pre-control device (24) is arranged on at least one side plate (17) in the region of the cylinder (4).
3. Spinning preparation machine according to claim 2, characterized in that the at least one pre-control device (24) processes all relevant data of the sensors and drives for the carding nip adjustment.
4. Spinning preparation machine according to claim 1, characterized in that the at least one precontrol device (24) has at least one processor for processing data.
5. Spinning preparation machine according to one of the preceding claims, characterized in that the pre-control device (24) communicates with the machine control device (26) by means of a bus system.
6. Machine as in any claim hereinbefore, characterized in that said pre-control means (24) are programmable independently of said machine control means (26).
7. Spinning preparation machine according to claim 1, characterised in that it has at least two precontrol devices (24), wherein each precontrol device (24) is designed to process data for one or more individual functional ranges of sensors or drives and to control the associated drive.
8. Spinning preparation machine according to claim 7, characterized in that the functional range is designed for carding gap adjustment for each side of the carding machine, spacing adjustment between at least two components or quality characteristics of the thin web of fibres.
9. Spinning preparation machine according to one of the preceding claims, characterized in that the at least one precontrol device (24) is configured for processing data from locally arranged sensors and drives.
10. Spinning preparation machine according to one of the preceding claims, characterized in that the communication of the precontrol device (24) with the machine control device (26) is limited to the exchange of nominal and actual values regarding the input of production data and/or to fault or readiness reports.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019128620.4A DE102019128620A1 (en) | 2019-10-23 | 2019-10-23 | Spinning preparation machine |
| DE102019128620.4 | 2019-10-23 | ||
| PCT/EP2020/077460 WO2021078485A1 (en) | 2019-10-23 | 2020-10-01 | Spinning preparation machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114651094A true CN114651094A (en) | 2022-06-21 |
| CN114651094B CN114651094B (en) | 2024-04-12 |
Family
ID=72895898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202080074681.XA Active CN114651094B (en) | 2019-10-23 | 2020-10-01 | Spinning preparation machine |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4048832A1 (en) |
| CN (1) | CN114651094B (en) |
| DE (1) | DE102019128620A1 (en) |
| WO (1) | WO2021078485A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934422A (en) * | 2022-05-27 | 2022-08-23 | 江苏金堰交通工程有限公司 | Bituminous paving levels device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022119898A1 (en) * | 2022-08-08 | 2024-02-08 | Trützschler Group SE | card |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0801158A1 (en) * | 1996-04-12 | 1997-10-15 | Maschinenfabrik Rieter Ag | Sensor for the working distance of card clothings |
| US20020042972A1 (en) * | 2000-06-23 | 2002-04-18 | Gresser Gotz Theodor | Transfer factor |
| US20020069486A1 (en) * | 2000-08-02 | 2002-06-13 | Maschinenfabrik Rieter Ag | Device for adjusting the work gap between the points of flat clothings and the points of the cylinder clothing of a card |
| CN1993506A (en) * | 2004-08-03 | 2007-07-04 | 里特机械公司 | Device and method for a carder |
| CN101608354A (en) * | 2008-06-19 | 2009-12-23 | 特鲁菲舍尔股份有限公司及两合公司 | Be used on the weaving loom and have at least two rollers or the device of roller group |
| CN204780137U (en) * | 2015-06-26 | 2015-11-18 | 恒天重工股份有限公司 | Fix apron formula carding machine entirely suitable for in non -weaving cloth production line |
| CN108374211A (en) * | 2017-01-31 | 2018-08-07 | 特吕茨施勒有限及两合公司 | With the carding machine for adjusting the equipment for combing gap |
| CN110184692A (en) * | 2018-02-23 | 2019-08-30 | 特吕茨施勒有限及两合公司 | Adjusted in spinning preparation machine the workplace between cylinder and at least one operated adjacent element away from device and method |
-
2019
- 2019-10-23 DE DE102019128620.4A patent/DE102019128620A1/en active Pending
-
2020
- 2020-10-01 EP EP20792545.4A patent/EP4048832A1/en active Pending
- 2020-10-01 WO PCT/EP2020/077460 patent/WO2021078485A1/en unknown
- 2020-10-01 CN CN202080074681.XA patent/CN114651094B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0801158A1 (en) * | 1996-04-12 | 1997-10-15 | Maschinenfabrik Rieter Ag | Sensor for the working distance of card clothings |
| US20020042972A1 (en) * | 2000-06-23 | 2002-04-18 | Gresser Gotz Theodor | Transfer factor |
| US20020069486A1 (en) * | 2000-08-02 | 2002-06-13 | Maschinenfabrik Rieter Ag | Device for adjusting the work gap between the points of flat clothings and the points of the cylinder clothing of a card |
| CN1993506A (en) * | 2004-08-03 | 2007-07-04 | 里特机械公司 | Device and method for a carder |
| CN101608354A (en) * | 2008-06-19 | 2009-12-23 | 特鲁菲舍尔股份有限公司及两合公司 | Be used on the weaving loom and have at least two rollers or the device of roller group |
| CN204780137U (en) * | 2015-06-26 | 2015-11-18 | 恒天重工股份有限公司 | Fix apron formula carding machine entirely suitable for in non -weaving cloth production line |
| CN108374211A (en) * | 2017-01-31 | 2018-08-07 | 特吕茨施勒有限及两合公司 | With the carding machine for adjusting the equipment for combing gap |
| CN110184692A (en) * | 2018-02-23 | 2019-08-30 | 特吕茨施勒有限及两合公司 | Adjusted in spinning preparation machine the workplace between cylinder and at least one operated adjacent element away from device and method |
Non-Patent Citations (1)
| Title |
|---|
| 张云生等: "《监测监控系统原理与实用设计》", 北京邮电大学出版社, pages: 175 - 177 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114934422A (en) * | 2022-05-27 | 2022-08-23 | 江苏金堰交通工程有限公司 | Bituminous paving levels device |
| CN114934422B (en) * | 2022-05-27 | 2023-09-29 | 江苏金堰交通工程有限公司 | Bituminous paving levels device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114651094B (en) | 2024-04-12 |
| DE102019128620A1 (en) | 2021-04-29 |
| WO2021078485A1 (en) | 2021-04-29 |
| EP4048832A1 (en) | 2022-08-31 |
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