EP4029978A1 - Structure autonettoyante de dispositif de filature à rotor, machine textile et procédé de fonctionnement autonettoyant - Google Patents
Structure autonettoyante de dispositif de filature à rotor, machine textile et procédé de fonctionnement autonettoyant Download PDFInfo
- Publication number
- EP4029978A1 EP4029978A1 EP22150970.6A EP22150970A EP4029978A1 EP 4029978 A1 EP4029978 A1 EP 4029978A1 EP 22150970 A EP22150970 A EP 22150970A EP 4029978 A1 EP4029978 A1 EP 4029978A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- cleaning
- self
- cleaning rod
- spinning device
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 168
- 238000007383 open-end spinning Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000004753 textile Substances 0.000 title claims abstract description 14
- 238000009987 spinning Methods 0.000 claims abstract description 19
- 229920000742 Cotton Polymers 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 description 11
- 230000007246 mechanism Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
- D01H4/22—Cleaning of running surfaces
- D01H4/24—Cleaning of running surfaces in rotor spinning
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
- D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
Definitions
- the invention relates to the technical field of textile equipment, and in particular to a rotor spinning device self-cleaning structure, a textile machinery and a self-cleaning operation method.
- Rotor spinning is one of the open-end spinning methods. Rotor spinning is referred to as rotor spinning because of the use of rotor-condensation single fibers. Rotor spinning has a high spinning speed, large winding capacity, and a good ability to spinning low-grade cotton and waste cotton, and labor-intensive environment is, wherein the rotor-spinning device is an important part to realize such process.
- a fiber strip is fed and loosened into a single fiber by a rotary carding roller coated with a card clothing, to be transported with the air flow to the inner wall of the high-speed rotating rotor, to form a yarn tail in the condensing groove, and simultaneously to be twisted into yarn to be led out, to be directly wound into a bobbin.
- the main difference between rotor spinning and other open-end spinning methods is the mechanism and function of condensing and twisting.
- the fibers Due to the high surface velocity of the inner wall of the rotor, the fibers are arranged in parallel along the circumference of the inner wall, and under the action of centrifugal force, they slide into the condensing groove at the maximum diameter of the inner wall, where they are overlapped and formed into annular fiber strands, which is the process of condensation of fibers.
- the fibers are circularly arranged in a circumferential direction to form a wound fiber of the air-flow yarn.
- open spinning machines which each comprise a cleaning device for cleaning a spinning rotor.
- DE 100 231484A1 describes an open-end spinning device wherein a rotor-spinning machine is cleaned by means of a removable maintenance unit.
- the maintenance unit comprises a cleaning device including a cleaning head including a mechanical cleaning element, such as a scraper, or including a compressed air nozzle.
- a cleaning device including a cleaning head including a mechanical cleaning element, such as a scraper, or including a compressed air nozzle.
- the cleaning device in the prior art must open the rotor of the spinning device to interrupt the spinning, and cannot perform the cleaning under the working condition, which affects the spinning efficiency.
- the invention aims to provide a rotor spinning device self-cleaning structure in a textile machinery as well as a self-cleaning operation method, which can realize the cleaning of the rotor without stopping the machine and has a good cleaning effect, and at the same time can ensure the production efficiency of the textile machinery with the self-cleaning structure and improve the production benefit.
- the invention provides a rotor spinning device self-cleaning structure, comprising a spinning device that includes a cup insert for conveying cotton fibers, and a rotor.
- the rotor includes a condensing groove for forming a yarn, and includes a cleaning rod that is designed to extend into and to clean the condensing groove of the rotor when the rotor is in an operating state, and a driving device for driving the cleaning rod to operate.
- the cleaning rod is made of a flexible material.
- the driving device automatically adjusts the length of the cleaning rod that extends into the condensing groove of the rotor as needed.
- the cup insert is provided with a channel to guide the cleaning rod to extend into the rotor groove.
- the guide channel includes an arc-shaped segment for guiding the cleaning rod to the condensing groove.
- the guide channel includes a first end and a second end in the entry direction of the cleaning rod, the second end is provided with a guiding portion that has a guiding arc surface.
- the cleaning rod enters from the first end and arrives at the second end, it bends under the guidance of the guiding arc surface and moves towards the condensing groove.
- the invention further comprises a control device for controlling the driving device and a detection device for detecting the amount of residue to be cleaned in the condensing groove of the rotor.
- the control device is designed to control the frequency at which the cleaning rod enters the rotor according to the detection result of the detection device.
- the invention further comprises a control device for controlling the driving device.
- the control device is preset with a preset frequency for cleaning the rotor.
- the control device is designed to control the frequency at which the cleaning rod enters the rotor according to the preset frequency.
- the present application further provides a textile machinery comprising a number of rows of stations arranged side by side, each of the stations comprising a rotor spinning device self-cleaning structure as described above.
- the present application further provides a rotor self-cleaning operation method, comprising a rotor spinning device self-cleaning structure as described above, when the rotor is to be cleaned, the driving device drives the cleaning rod to move from an initial operating position to a cleaning operating position in which the cleaning rod is in contact with the condensing groove of the rotor in the rotating operating state.
- the cleaning rod is moved away from the rotor cleaning operating position and returned to the initial operating position.
- the rotor spinning device self-cleaning structure and the textile machinery as well as the self-cleaning operation method provided by the invention can achieve an efficient cleaning of the condensing groove of the rotor of the rotor spinning device without opening the rotor in the state that the machine is not stopped, can ensure the spinning quality and meanwhile effectively guarantee the production efficiency of the textile machinery having the self-cleaning mechanism described above, such that the production efficiency is always maintained at a high level.
- the embodiment describes a rotor spinning device self-cleaning structure, as shown in FIGs. 1 and 2 , comprising a spinning device which includes a cup insert 2 for conveying cotton fibers, and a rotor 1.
- the rotor 1 includes a condensing groove for forming a yarn, and also includes a cleaning rod 4 which can extend into and clean the condensing groove of the rotor 1 when the rotor 1 is in an operating state, and a driving device 5 for driving the cleaning rod 4 to operate.
- the driving device 5 can automatically adjusts the length of the cleaning rod that extends into the condensing groove of the rotor as actually needed.
- the cup insert 2 is provided with a guide channel 3 for the cleaning rod 4 to extend into the rotor 1.
- the guide channel 3 includes an arc-shaped segment for guiding the cleaning rod 4 to the condensing groove.
- the guide channel 3 includes a first end and a second end in the entry direction of the cleaning rod 4.
- the second end is provided with a guiding portion that has a guiding arc surface.
- the cleaning rod 4 is preferably made of a flexible material.
- the control of the cleaning of the rotor 1 by the cleaning rod 4 can be performed in accordance with the yarn conditions in the condensing groove, or the cleaning frequency can also be controlled by a preset periodic time, as follows:
- the self-cleaning mechanism is provided with a control device and a detection device.
- the control device is used for controlling the operation of the driving device 5.
- the detection device is used for detecting the amount of residue to be cleaned in the condensing groove of the rotor 1.
- the residue to be cleaned refers to dust, impurities and short fibers, etc.
- the control device controls the frequency at which the cleaning rod 4 enters the rotor 1 according to the detection result of the detection device.
- the amount of residue to be cleaned in the condensing groove of the rotor 1 is monitored in real time.
- the cleanliness of the condensing groove is not high and there are abnormal conditions, there is an abnormal change in the amount of residue to be cleaned in the condensing groove, e.g., it is detected that the accumulated matter to be cleaned in the condensing groove exceeds a certain value. In this way, the condensing groove can be cleaned timely and efficiently.
- the self-cleaning mechanism is provided with a control device.
- the control device is preset with a preset frequency for cleaning the rotor 1. That is, the control device controls the frequency at which the cleaning rod 4 enters the rotor 1 according to the preset frequency. For example, if the rotor 1 is set to be cleaned once every ten minutes, then the control device controls the cleaning rod 4 to enter the rotor 1 every ten minutes, to achieve a timed and efficient cleaning of the rotor 1.
- the embodiment provides a textile machinery comprising a number of rows of stations arranged side by side, each of the stations comprising a rotor spinning device self-cleaning structure as described in the embodiment 1.
- the textile machinery can achieve an efficient cleaning of the rotor 1 in the rotor spinning device without opening the rotor and without the machinery being stopped. This can ensure the spinning quality and meanwhile effectively guarantee the production efficiency of the textile machinery having the self-cleaning mechanism described above, such that the production efficiency is always maintained at a high level.
- the embodiment provides a rotor self-cleaning operation method, comprising a rotor spinning device self-cleaning structure as described in the embodiment 1, wherein the rotor spinning device self-cleaning structure includes a spinning device that includes a cup insert 2 for conveying cotton fibers, and a rotor 1.
- the rotor 1 includes a condensing groove for forming a yarn, and includes a cleaning rod 4 which can extend into and clean the condensing groove of the rotor 1 when the rotor 1 is in an operating state, and a driving device 5 for driving the cleaning rod 4 to operate.
- the driving device 5 can automatically adjusts the length of the cleaning rod that extends into the condensing groove of the rotor as actually needed.
- the driving device 5 drives the cleaning rod 4 to move from an initial operating position to a cleaning operating position in which the cleaning rod 4 is in contact with the condensing groove of the rotor 1 in the rotating operating state. After the cleaning rod 4 completes the cleaning of the rotor 1, the cleaning rod 4 is moved away from the rotor 1 from the cleaning operating position and returned to the initial operating position.
- the cleaning rod 4 is controlled to extend into the guide channel 3 in the rotor 1.
- the guide channel 3 includes a first end and a second end in the entry direction of the cleaning rod 4, and the second end is provided with a guiding portion.
- the guiding portion in the embodiment has a guiding arc surface.
- the method controls the cleaning rod 4 to enter from the first end and arrive at the second end.
- the cleaning rod 4, which is made of a flexible material, bends under the guidance of the guiding arc surface and moves towards the condensing groove.
- the cleaning rod 4 can be quickly and accurately guided to and in contact with the inner wall of the condensing groove, thereby quickly achieving effective cleaning of the condensing groove, shortening the cleaning beat, and improving the cleaning efficiency.
- the guiding portion in other embodiments may also be a guide groove, a guide hole, or the like, as long as that the cleaning rod 4 is guided to the inner wall of the condensing groove for efficient cleaning of the condensing groove via the rotating of the rotor, which are within the scope of protection of the invention.
- the rotor self-cleaning operation method provided in the embodiment realizes control of the cleaning of the condensing groove of the rotor 1 by the cleaning rod 4, and the control can be performed in accordance with the amount of residue to be cleaned in the condensing groove, or the cleaning frequency can also be controlled by a preset periodic time, as follows:
- the operation of the driving device 5 is controlled by detecting the amount of residue to be cleaned in the condensing groove of the rotor 1.
- the amount of residue to be cleaned in the condensing groove of the rotor 1 is detected by the detection device, and then the control device controls the frequency at which the cleaning rod 4 enters the rotor 1 according to the detection result of the detection device.
- the amount of residue to be cleaned in the condensing groove of the rotor 1 is monitored in real time.
- the cleanliness of the condensing groove is not high and there are abnormal conditions, there is an abnormal change in the amount of charge in the condensing groove. In this way, the condensing groove can be cleaned timely and efficiently.
- the cleaning frequency of rotor 1 is preset, and cleaning is performed regularly.
- the self-cleaning mechanism is provided with a control device.
- Control software of the control device is preset with a preset frequency for cleaning the rotor 1. That is, the control device controls the frequency at which the cleaning rod 4 enters the rotor 1 according to the preset frequency. For example, if the rotor 1 is set to be cleaned once every ten minutes, then the control device controls the cleaning rod 4 to enter the rotor 1 every ten minutes, to achieve a timed and efficient cleaning of the rotor 1.
- the cleaning rod 4 used in the present application is a consumable material.
- the cleaning rod 4 is flexible but has a certain rigidity strength, for example resin materials such as high molecular polyethylene, polypropylene and the like, or rubber materials, nylon materials and the like.
- resin materials such as high molecular polyethylene, polypropylene and the like, or rubber materials, nylon materials and the like.
- the cleaning rod 4 can come into contact with the inner wall of the condensing groove and the end portion can be worn away.
- the cleaning rod 4 is fed after each cleaning, to ensure that the cleaning rod 4 can get into contact with the inner wall of the condensing groove and clean it.
- the cleaning rod 4 can also be made of other wear-resistant materials, and can be maintained or replaced after a certain period.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110070207.6A CN112760764A (zh) | 2021-01-19 | 2021-01-19 | 一种转杯纺纱器自清洁结构、纺织机械及自清洁操作方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4029978A1 true EP4029978A1 (fr) | 2022-07-20 |
EP4029978B1 EP4029978B1 (fr) | 2024-08-21 |
Family
ID=75703220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22150970.6A Active EP4029978B1 (fr) | 2021-01-19 | 2022-01-11 | Structure autonettoyante de dispositif de filature à rotor, machine textile et procédé de fonctionnement autonettoyant |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP4029978B1 (fr) |
CN (1) | CN112760764A (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1142923A (en) * | 1966-08-11 | 1969-02-12 | Schubert & Salzer Maschinen | Improvements relating to cleaning of rotating spinning chambers |
US5609015A (en) * | 1994-03-31 | 1997-03-11 | W. Schlafhorst Ag & Co. | Apparatus for cleaning a rotor revolving in the rotor housing of an open-end spinning unit |
DE10023148A1 (de) | 2000-05-12 | 2001-11-22 | Hohlbein Renate | Vorrichtung zur Berechnung des Alkoholgehalts im Blut des menschlichen Körpers |
DE102016009278A1 (de) * | 2016-07-29 | 2018-02-01 | Saurer Germany Gmbh & Co. Kg | Verfahren und Reinigungsvorrichtung zum Reinigen des Spinnrotors einer Rotorspinnvorrichtung |
US20200199789A1 (en) * | 2018-12-21 | 2020-06-25 | Maschinenfabrik Rieter Ag | Workstation of a Rotor Spinning Machine Comprising a Cleaning Unit and Method for Operating Such a Device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10227123A1 (de) * | 2002-06-13 | 2003-12-24 | Rieter Ingolstadt Spinnerei | Vorrichtung zum Reinigen eines stillstehenden Offenend-Spinnrotors |
CN103541058B (zh) * | 2013-09-25 | 2016-02-24 | 上海捷春进出口贸易有限公司 | 一种转杯纺纱机的自清洁结构 |
CN214328007U (zh) * | 2021-01-19 | 2021-10-01 | 卓郎(江苏)纺织机械有限公司 | 一种转杯纺纱器自清洁结构、纺织机械 |
-
2021
- 2021-01-19 CN CN202110070207.6A patent/CN112760764A/zh active Pending
-
2022
- 2022-01-11 EP EP22150970.6A patent/EP4029978B1/fr active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1142923A (en) * | 1966-08-11 | 1969-02-12 | Schubert & Salzer Maschinen | Improvements relating to cleaning of rotating spinning chambers |
US5609015A (en) * | 1994-03-31 | 1997-03-11 | W. Schlafhorst Ag & Co. | Apparatus for cleaning a rotor revolving in the rotor housing of an open-end spinning unit |
DE10023148A1 (de) | 2000-05-12 | 2001-11-22 | Hohlbein Renate | Vorrichtung zur Berechnung des Alkoholgehalts im Blut des menschlichen Körpers |
DE102016009278A1 (de) * | 2016-07-29 | 2018-02-01 | Saurer Germany Gmbh & Co. Kg | Verfahren und Reinigungsvorrichtung zum Reinigen des Spinnrotors einer Rotorspinnvorrichtung |
US20200199789A1 (en) * | 2018-12-21 | 2020-06-25 | Maschinenfabrik Rieter Ag | Workstation of a Rotor Spinning Machine Comprising a Cleaning Unit and Method for Operating Such a Device |
Also Published As
Publication number | Publication date |
---|---|
CN112760764A (zh) | 2021-05-07 |
EP4029978B1 (fr) | 2024-08-21 |
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