CN115029822A - Cotton noil on-line monitoring and adjusting device on blowing-carding unit and control method - Google Patents
Cotton noil on-line monitoring and adjusting device on blowing-carding unit and control method Download PDFInfo
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- CN115029822A CN115029822A CN202210626023.8A CN202210626023A CN115029822A CN 115029822 A CN115029822 A CN 115029822A CN 202210626023 A CN202210626023 A CN 202210626023A CN 115029822 A CN115029822 A CN 115029822A
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- noil
- cotton
- monitoring
- blowing
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G31/00—Warning or safety devices, e.g. automatic fault detectors, stop motions
- D01G31/003—Detection and removal of impurities
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention relates to the field of textile equipment, in particular to an online monitoring and adjusting device for noil on a blowing-carding unit and a control method. The cotton doffing online monitoring and adjusting device comprises a cotton doffing monitoring device, a main controller and a cotton removing knife adjusting structure; the noil monitoring device comprises a light splitter, a visible light source, an infrared light source, a visible light detector, an infrared light detector and a signal processing circuit connected with a main controller; remove cotton sword and adjust structure and include step motor, set up action wheel, driven gear, the setting on the step motor output shaft are in the arc rack and the setting of dust removal blade holder bottom are in the dust removal sword at dust removal blade holder top, the action wheel passes through the hold-in range drive driven gear rotates, driven gear with arc rack toothing. The invention can monitor the noil rate on line in real time, automatically adjust the length of the noil area according to the setting, effectively avoid the waste of raw materials and enhance the controllability of quality indexes.
Description
Technical Field
The invention relates to the field of textile equipment, in particular to an online monitoring and adjusting device for noil on a blowing-carding unit and a control method.
Background
Impurity removal efficiency in the blowing-carding-drawing system plays a very important role, impurities and the like need to be removed in time in the impurity removal process, but excessive impurity removal can cause waste of raw materials, all single machines of the blowing-carding-drawing system need manual adjustment for testing cotton dropping rate, distance of a dust removing knife and length adjustment of a impurity dropping area at present, the testing and impurity dropping area adjustment processes are relatively complex, and shutdown is needed in consideration of safety factors, so that production efficiency is greatly influenced.
The impurity removal rate and the content of cotton in the removed impurities can only be tested manually at present, and the cotton doffing rate cannot be monitored in real time when changing; the position of the dust removing cutter and the length adjustment of the noil area need to be adjusted according to the test result of the noil rate acquisition sample, so that the adjustment is untimely and inaccurate, data cannot be mastered in time in the production process, the process debugging is untimely, raw materials are easily wasted, and the production efficiency is influenced.
Along with the reduction of labor for the textile industry and the improvement of requirements of customers on intellectualization, raw material loss and the like, the blowing-carding system needs a device which can monitor the noil on line, adjust the length of the noil area, monitor the noil on line in real time and adjust the noil rate in real time.
Disclosure of Invention
The invention provides an online monitoring and adjusting device for noil on a blowing-carding unit and a control method, and aims to provide the online monitoring and adjusting device for the noil on the blowing-carding unit.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the invention provides an online monitoring and adjusting device for noil on a blowing-carding unit, which comprises a noil collecting pipe and a noil absorbing pipe, wherein the end part of the noil collecting pipe is provided with a noil discharging port, and the noil absorbing pipe is communicated with the noil discharging port. The method is characterized in that: the cotton picking device comprises a cotton picking pipe, a cotton picking monitoring device, a main controller and a cotton removing knife adjusting structure, wherein the cotton picking pipe is arranged on the cotton picking pipe.
The noil monitoring device comprises a light splitter coaxial with the trash discharging port, a visible light source and an infrared light source which are arranged on two sides of the front end of the light splitter, a visible light detector and an infrared light detector which are arranged on the rear end of the light splitter, and a signal processing circuit which is respectively connected with the visible light detector and the infrared light detector; the signal processing circuit is connected with the main controller.
The cotton removing knife adjusting structure comprises a stepping motor, a driving wheel, a driven gear, a dust removing knife holder, an arc-shaped rack and a dust removing knife, wherein the driving wheel is arranged on an output shaft of the stepping motor, the dust removing knife holder is fixedly connected with the impurity falling collecting pipe, the arc-shaped rack is arranged at the bottom of the dust removing knife holder, the dust removing knife is arranged at the top of the dust removing knife holder, the driving wheel drives the driven gear to rotate through a synchronous belt, and the driven gear is meshed with the arc-shaped rack; the main controller is connected with the stepping motor through a driving unit.
Further, the noil monitoring devices still include protective housing.
Furthermore, the master controller is also connected with a human-computer interaction device, and the human-computer interaction device comprises a touch screen.
Further, the driving unit comprises a pulse module and a stepping driving controller connected with the pulse module.
Further, the cotton removing knife adjusting structure also comprises a trash falling area dial.
A control method of a noil on-line monitoring and adjusting device on a blowing-carding unit comprises the following steps:
s1, the noil monitoring device respectively sends the acquired data to an analog quantity module of a main controller and a human-computer interaction device in an analog quantity or communication mode;
s2, the main controller processes and analyzes the signals received by the analog quantity module or the signals from the human-computer interaction device;
s3, comparing the analysis data with the setting parameters by the main controller to obtain whether to adjust and adjust the pulse value;
s4, the main controller respectively controls the stepping drive controller to enable, turn and adjust the pulse value through the output of the pulse module;
and S5, the stepping motor drives the dust removal tool apron to move through the transmission of the driving wheel and the synchronous belt, so that the dust removal tool is driven to move, and the length of the impurity falling area is controlled.
The invention has the following beneficial effects:
the single machine test cotton dropping rate and the length adjustment of the trash area of the existing blowing and carding contact system need manual adjustment, the test and adjustment processes are relatively complex, and the system needs to be stopped, so that the production efficiency is greatly influenced; meanwhile, the cotton dropping rate cannot be monitored in real time, so that raw material waste is easily caused or indexes are uncontrollable; after the method is adopted, the noil rate can be monitored in real time on line, the length of the noil area can be automatically adjusted according to the setting, the waste of raw materials can be effectively avoided, and the controllability of quality indexes can be enhanced.
Drawings
Fig. 1 is a schematic view of the installation of the present invention.
FIG. 2 is a schematic view of the installation position of the noil monitoring device of the present invention.
FIG. 3 is a schematic view of the flow of cotton; in the figure, the hollow straight line arrow represents the cotton conveying direction; the curved arrow represents the movement direction of the licker-in or the cotton feeding roller; a represents the length of the impurity falling region.
Fig. 4 is a schematic view of the noil monitoring principle.
Fig. 5 is a schematic diagram of a drive controller.
In the figure, 1, a noil monitoring device; 101. a light splitter; 102. a visible light source; 103. an infrared light source; 104. a visible light detector; 105. an infrared light detector; 106. a signal processing circuit; 2. a gettering pipe; 3. a driving wheel; 4. a stepping motor; 5. a synchronous belt; 6. a miscellaneous area dial; 7. a fallen impurity collecting pipe; 8. a dust removing knife; 9. a driven gear; 10. a cotton feeding roller; 11. a dust removal tool apron; 12. a licker-in; 13. a cotton feeding plate; 14. a pulse module; 15. a stepper drive controller.
Detailed Description
To facilitate an understanding of the present invention by those skilled in the art, specific embodiments thereof are described below with reference to the accompanying drawings.
The invention provides an on-line monitoring and adjusting device for noil on a blowing-carding unit, which adopts the following principle scheme: a photoelectric sensor detection mode of active illumination with double light sources is adopted, a visible light LED and an infrared LED are used for simultaneously illuminating the trash discharging opening, the cotton has strong visible light reflection and weak infrared light reflection, and impurities such as cotton hulls and the like have weak visible light reflection and strong infrared light reflection. Therefore, when the cotton flow passes through the impurity discharge port, the proportion of the cotton to the impurities is changed, the proportion of the visible light to the infrared light in the reflected light is changed, and the proportion of the impurities to the cotton content can be calculated by receiving the reflected light.
The reflected light is divided into visible light and infrared light at a receiving end, the visible light and the infrared light are detected by two detectors at the same time, the signal intensity at each moment is detected and counted, and as the air speed at a trash discharge port is high (about 17m/s) and the volume of impurities is small (about 0.1-0.5 mm), the reflected signals of the impurities can be collected in real time only by high sampling speed and sampling sensitivity. The problem can be solved by algorithms such as high-speed acquisition and processing circuits, edge operation and the like.
Remove cotton sword adjustment structure and can be used to the positioning control of dirt stick, trash zone length etc. need not artifical participation adjustment, according to setting for the target location, automatically regulated dirt stick, dust removal sword 8 etc. reach appointed position, lifting means automation, intelligent level. The real-time data provided by the noil monitoring device 1 are analyzed and calculated, meanwhile, the position to be reached is set on a human-computer interface according to actual requirements by utilizing the position control function of the stepping motor 4, and the controller automatically calculates the position pulse required according to the current position and the target position to drive the stepping motor 4 to act and reach the set position. In order to ensure stable and reliable positioning, the locking position function of the band-type brake is added.
Specifically, the device for monitoring and adjusting the noil on line is improved aiming at the existing blowing-carding unit, wherein the blowing-carding unit comprises a cotton feeding roller 10, a dust removing knife holder 11, a licker-in 12, a cotton feeding plate 13, a noil collecting pipe 7 with a noil discharging port at the end part and a gettering pipe 2 communicated with the noil discharging port. The innovation point of the cotton doffing device is that the cotton doffing monitoring device 1, the main controller and the cotton removing knife adjusting structure are arranged on the impurity suction pipe 2.
As shown in fig. 1-3, it includes step motor 4, sets up to remove cotton sword regulation structure step motor 4 output epaxial action wheel 3, driven gear 9, with fall miscellaneous collecting pipe 7 fixed connection's dust removal blade holder 11, set up the arc rack of dust removal blade holder 11 bottom is in with the setting the dust removal sword 8 at dust removal blade holder 11 top, action wheel 3 passes through the drive such as hold-in range 5, pivot driven gear 9 rotates, driven gear 9 with arc rack toothing. The user sets various parameters of the invention through a man-machine interaction device, and the main controller can control the stepping motor 4 through a driving unit.
In addition, it is provided with band-type brake locking position function to remove cotton sword regulation structure, band-type brake locking position function belongs to an electrical control, and including the band-type brake locking after equipment outage, operation in-process and pulse adjustment, can satisfy equipment restart back dust removal sword 8 simultaneously and keep the normal position.
Specifically, as shown in fig. 3, cotton enters the area of the cotton feeding roller 10 along the arrow direction, enters the holding area of the cotton feeding plate 13 under the driving of the cotton feeding roller 10, and the licker-in 12 opens and grabs the fibers and transfers the fibers to the subsequent processes. During the process, under the action of the dust removing knife 8, some impurities and short fibers fall into the impurity falling collecting pipe 7 and are transferred away under the action of air suction.
The impurity content affects the yield and index of the subsequent fiber, sometimes the control is not good, too much noil wastes raw materials, the noil is too little, the effective removal of impurities cannot be guaranteed, and the product index can be affected. The noil monitoring device 1 is arranged on the impurity suction pipe 2, is opposite to the middle position of the impurity collection pipe 7, can monitor the impurity falling of a cotton feeding roller 10-licker-in 12, ensures that the noil rate is in a reasonable range, and sends an instruction to the adjusting device once exceeding the range, and the stepping motor 4 can drive the movement of the dust removal tool apron 11 through the transmission of the gear and the synchronous belt 5, thereby driving the movement of the dust removal tool 8 and controlling the length (A) of the impurity falling area.
In addition, be furnished with miscellaneous district calibrated scale 6 that falls on the machine, be connected with the pointer on the dust removal sword 8 under step motor 4 drives, dust removal sword 8 moves to different positions, and the pointer is then to the numerical value that corresponds on miscellaneous district calibrated scale 6 that falls, and the change of numerical value shows the actual change of miscellaneous district length that falls.
As shown in fig. 4, the noil monitoring device 1 includes a protective casing, a light splitter 101 disposed in the protective casing and coaxial with the trash discharge port, a visible light source 102 and an infrared light source 103 disposed on two sides of the front end of the light splitter 101, a visible light detector 104 and an infrared light detector 105 disposed on the rear end of the light splitter 101, and a signal processing circuit 106 connected to the visible light detector 104 and the infrared light detector 105, respectively. The signal processing circuit 106 is connected with the main controller (data transmission is carried out through Modbus), the main controller is further connected with a human-computer interaction device, the human-computer interaction device comprises a touch screen, and monitoring data can be displayed on the touch screen in real time.
The cotton and the impurities pass through the impurity discharge port along with the high-speed airflow, visible light and infrared light irradiate on the cotton and the impurities, the detector receives reflected signals, the proportion of the cotton and the impurities is obtained through data processing, and the cotton and the impurities are output through analog quantity signals or communication.
The detailed process is as follows:
1) assuming that the sample has a high cotton content and a low impurity content, the ratio of visible light in the reflected light is high and the ratio of infrared light is low, and after spectral splitting, the intensity at the visible light detector 104 is high and the intensity at the infrared detector is low.
2) Assuming that the sample has a low cotton content and a high impurity content, the reflected light has a low visible light ratio and a high infrared light ratio, and the visible light detector 104 has a low intensity and the infrared detector has a high intensity after spectral splitting.
3) The visible light detector 104 and the infrared detector are both in a high-speed acquisition state, the intensity of the signals is compared, the signal intensity ratio is calculated, and the ratio of cotton to impurities is calculated.
As shown in fig. 5, the driving unit includes a pulse module 14 and a step driving controller 15 connected to the pulse module 14, and the main controller controls the step driving controller 15 through the pulse module 14, thereby controlling the step motor 4.
A control method of a noil on-line monitoring and adjusting device on a blowing-carding unit comprises the following steps:
s1, the noil monitoring device 1 respectively sends the acquired data to an analog quantity module of a main controller and a human-computer interaction device in an analog quantity or communication mode;
s2, the master controller processes and analyzes the signals received by the analog quantity module or the signals from the human-computer interaction device;
s3, comparing the analysis data with the setting parameters by the main controller to obtain whether to adjust and adjust the pulse value;
s4, the main controller outputs and respectively controls the stepping drive controller 15 to enable, turn and adjust the pulse value through the pulse module 14;
s5, the stepping motor 4 drives the dust removal tool apron 11 to move through the transmission of the driving wheel 3 and the synchronous belt 5, so that the dust removal tool 8 is driven to move, and the length of the impurity falling area is controlled.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. An online noil monitoring and adjusting device on a blowing-carding unit comprises a noil collecting pipe and a gettering pipe, wherein the end part of the noil collecting pipe is provided with a trash discharging port, and the gettering pipe is communicated with the trash discharging port; the method is characterized in that: the cotton picking device comprises a cotton picking pipe, a cotton picking monitoring device, a main controller and a cotton removing knife adjusting structure, wherein the cotton picking pipe is arranged on the cotton picking pipe;
the noil monitoring device comprises a light splitter coaxial with the trash discharging port, a visible light source and an infrared light source which are arranged on two sides of the front end of the light splitter, a visible light detector and an infrared light detector which are arranged on the rear end of the light splitter, and a signal processing circuit which is respectively connected with the visible light detector and the infrared light detector; the signal processing circuit is connected with the master controller;
the cotton removing knife adjusting structure comprises a stepping motor, a driving wheel, a driven gear, a dust removing knife holder, an arc-shaped rack and a dust removing knife, wherein the driving wheel is arranged on an output shaft of the stepping motor, the dust removing knife holder is fixedly connected with the impurity falling collecting pipe, the arc-shaped rack is arranged at the bottom of the dust removing knife holder, the dust removing knife is arranged at the top of the dust removing knife holder, the driving wheel drives the driven gear to rotate through a synchronous belt, and the driven gear is meshed with the arc-shaped rack; the main controller is connected with the stepping motor through a driving unit.
2. The device for monitoring and adjusting the noil on the blowing-carding unit on line according to the claim 1, is characterized in that: the noil monitoring device also comprises a protective shell.
3. The device for monitoring and adjusting the noil on the blowing-carding unit on line according to the claim 1, is characterized in that: the main controller is further connected with a human-computer interaction device, and the human-computer interaction device comprises a touch screen.
4. The device for monitoring and adjusting the noil on the blowing-carding unit on line according to the claim 1, is characterized in that: the driving unit comprises a pulse module and a stepping driving controller connected with the pulse module.
5. The device for monitoring and adjusting the noil on the blowing-carding unit on line according to the claim 1, is characterized in that: the cotton removing knife adjusting structure further comprises a trash falling area dial.
6. A control method of a noil on-line monitoring and adjusting device on a blowing-carding unit is applied to the noil on-line monitoring and adjusting device of any one of the claims 1 to 5, and is characterized by comprising the following steps:
s1, respectively sending acquired data to an analog module of a main controller and a human-computer interaction device by a noil monitoring device in an analog quantity or communication mode;
s2, the main controller processes and analyzes the signals received by the analog quantity module or the signals from the human-computer interaction device;
s3, the main controller compares the analysis data with the set parameters to obtain whether to adjust and adjust the pulse value;
s4, the main controller respectively controls the stepping drive controller to enable, turn and adjust the pulse value through the output of the pulse module;
and S5, the stepping motor drives the dust removal tool apron to move through the transmission of the driving wheel and the synchronous belt, so that the movement of the dust removal tool is driven, and the length of the impurity falling area is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210626023.8A CN115029822A (en) | 2022-06-02 | 2022-06-02 | Cotton noil on-line monitoring and adjusting device on blowing-carding unit and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210626023.8A CN115029822A (en) | 2022-06-02 | 2022-06-02 | Cotton noil on-line monitoring and adjusting device on blowing-carding unit and control method |
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| CN115029822A true CN115029822A (en) | 2022-09-09 |
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| CN202210626023.8A Pending CN115029822A (en) | 2022-06-02 | 2022-06-02 | Cotton noil on-line monitoring and adjusting device on blowing-carding unit and control method |
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| CN104047076A (en) * | 2014-06-15 | 2014-09-17 | 卓郎（金坛）纺织机械有限公司 | Separation knife position change adjusting device of spinning preparation machine and use method thereof |
| CN205741346U (en) * | 2016-07-04 | 2016-11-30 | 帛方纺织有限公司 | The carding machine that a kind of noil amount is low |
| CN207379913U (en) * | 2017-10-19 | 2018-05-18 | 新疆农业大学 | A kind of moits detection device based on reflection and transmission high light spectrum image-forming |
| CN110487740A (en) * | 2019-07-02 | 2019-11-22 | 西安理工大学 | Unginned cotton regain on-line measurement system and its measurement method based on Near-Infrared Absorption Method |
| CN210560915U (en) * | 2019-06-06 | 2020-05-19 | 青岛宏大纺织机械有限责任公司 | Weight separator of blowing equipment |
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2022
- 2022-06-02 CN CN202210626023.8A patent/CN115029822A/en active Pending
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| EP0399945A2 (en) * | 1989-05-26 | 1990-11-28 | Hans-Jürgen Scheinhütte | Apparatus for the detection of contaminations, impurities and fibres in textile fibre materials |
| CN1482292A (en) * | 2002-07-08 | 2004-03-17 | ��³������ɷ�����˾�����Ϲ�˾ | Method and apparatus at a spinning preparation machine for cleaning fiber material, for example a cleaner, opener, carding machine |
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