CN113652778B - AI impurity removing and carding method and system of rotor spinning machine - Google Patents
AI impurity removing and carding method and system of rotor spinning machine Download PDFInfo
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- CN113652778B CN113652778B CN202011629430.1A CN202011629430A CN113652778B CN 113652778 B CN113652778 B CN 113652778B CN 202011629430 A CN202011629430 A CN 202011629430A CN 113652778 B CN113652778 B CN 113652778B
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- 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
- D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
- D01H4/32—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using opening rollers
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- 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
- D01H4/30—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls
- D01H4/36—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls with means for taking away 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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Abstract
The invention provides an AI impurity removing and carding method and system of a rotor spinning machine, and relates to the technical field of intelligent spinning equipment. The method comprises the following steps: detecting impurity information of the cotton sliver fed into the carding cavity through an impurity detector; when the impurities are judged to be light impurity types according to the impurity information, a charge adsorption instruction is sent out; and controlling an electrostatic generator arranged in a charge release area in the impurity discharge area of the carding cavity to release net charge substances when the cotton sliver is carded by the carding roller rotating at a high speed according to the charge adsorption instruction, and forming an electrode opposite to the net charge substances by a traction electrode or a traction electret in a traction area of the impurity discharge area of the carding cavity. The invention utilizes the characteristic that light impurities such as short fibers and the like are easy to obtain electric charges to form charged impurities, the electric charge releasing area and the traction area are arranged in the impurity discharging area of the carding cavity, and meanwhile, the impurity type is intelligently detected through the impurity detector and the electric charge adsorption instruction is triggered, so that the artificial intelligent impurity discharging based on the cotton sliver impurity type is realized.
Description
Technical Field
The invention relates to the technical field of intelligent spinning equipment, in particular to an AI impurity removing and carding method and system of a rotor spinning machine.
Background
The rotor spinning machine has become the most mature spinning form with the widest application range and larger economic and social effects in the novel spinning. Various impurities such as polypropylene fiber, hair and 'three-filament' are often generated in the spinning process, the quality of the product produced by raw materials is greatly reduced due to the generation of the impurities, and therefore impurities in cotton slivers need to be removed in the spinning process.
At present, in the air suction type rotor spinning machine on the market, the carding and impurity stripping have two modes: the first is to use the centrifugal force of impurities to fall impurities freely. The carding roller and a vertical surface are arranged at a certain included angle alpha (alpha is less than 90 degrees), the impurity stripping direction and a horizontal plane form an angle alpha, and the impurity removal is called as free impurity removal by means of the centrifugal force and gravity combined action generated under the driving of the high-speed rotation of the carding roller. The mode is longer to carry fibre transfer passageway toward the revolving cup for the fibre obtains abundant straightening, and the resultant yarn uniformity is better, and the energy consumption is low. The second is an active gettering method. The carding roller is vertically arranged, the impurity stripping direction and the horizontal plane are in a parallel state, the impurity removal is realized by completely depending on airflow high negative pressure suction, the effective impurity separation can be also realized on various raw materials with larger impurity content, and the application range is wider.
However, the existing impurity removal scheme has the following defects:
1) When the free impurity falling mode is adopted, in the impurity separation process, light impurities with light weight, such as short fibers, are not thrown far away when being separated, are close to the fiber conveying area, are easy to be sucked back to the carding cavity after being accumulated in the stripping area under the action of fiber conveying negative pressure airflow, and are rolled and sucked back, so that the yarn breakage rate is increased, and the adaptability to regeneration raw materials with more short fibers and impurities is poor. When an active impurity suction mode is adopted, the impurities can be stripped along the horizontal plane only by requiring higher impurity suction negative pressure, and the number of the removed impurities is changed due to fine fluctuation of the impurity suction negative pressure, so that the variation of the thickness of finished yarns is larger; but also has the disadvantages of high energy consumption of the equipment and easy blockage of the gettering channel. That is to say, the existing rotor spinning machine carding and impurity stripping mode can not realize the complete improvement in the aspects of raw material adaptability, yarn quality consistency, low energy consumption and the like.
2) Regardless of free impurity falling or active impurity absorption, all cotton slivers entering the carding cavity are subjected to impurity removal and carding based on the same impurity removal process, and the impurity removal process cannot be adaptively adjusted according to the impurity characteristics of the cotton sliver raw materials. In fact, the impurities are not uniformly distributed on the cotton sliver, and the impurities on some cotton slivers are smaller, such as small particle impurities such as short velvet, tiny dust and the like, which belong to light impurities, and the impurities on some cotton slivers are larger in mass, such as cotton knots, cotton seeds and plastic blocks, which belong to heavy impurities. Due to the self physical characteristics of the light impurities such as short fibers and the heavy impurities, different physical sites can be generated during impurity removal, for example, the light impurities such as the short fibers are easy to roll over in an impurity removal area and are sucked back into the carding body, so that the spinning quality is influenced.
How to provide a technical scheme for intelligently removing impurities and carding according to the impurity type characteristics of cotton slivers based on the characteristics of different impurity types is a technical problem which needs to be solved at present. Further, how to consider raw material adaptability, yarn quality consistency and low energy consumption is also a technical problem which needs to be solved urgently at present.
Disclosure of Invention
The invention aims to: overcomes the defects of the prior art and provides an AI impurity removing and carding method and system of a rotor spinning machine. According to the invention, by utilizing the characteristic that light impurities such as short fibers and the like are easy to obtain electric charges to form charged impurities for capturing, the electric charge release area and the traction area are arranged in the impurity stripping channel, and meanwhile, the cotton sliver impurity type is intelligently detected through the impurity detector, so that an electric charge adsorption instruction is triggered for the light impurity type which is easy to roll and suck back, and the electric charge adsorption instruction is not required to be triggered for the impurity-free area and the heavy impurity area of the cotton sliver, thereby realizing artificial intelligent impurity removal based on the cotton sliver impurity type, and considering the impurity removal effect and the energy saving requirement of the light impurities. Furthermore, the method organically combines free impurity falling and accurate impurity absorption, and has the characteristics of wide raw material adaptability, good yarn quality consistency and low energy consumption.
In order to achieve the above object, the present invention provides the following technical solutions:
an AI impurity removing and carding method of a rotor spinning machine, the rotor spinning machine comprises a carding cavity provided with a carding roller, an air supply channel and an impurity removing area of the carding cavity are arranged below the corresponding carding cavity, the AI impurity removing and carding method comprises the following steps:
detecting impurity information of the cotton sliver fed into the carding cavity through an impurity detector;
judging whether the impurities belong to light impurity types or not according to the impurity information, and sending out a charge adsorption instruction when the impurities are judged to be the light impurity types;
according to the charge adsorption instruction, when the cotton sliver is combed by the combing roller rotating at a high speed, an electrostatic generator arranged in a charge release area in the impurity discharging area of the combing cavity is controlled to release net charge substances, and meanwhile, an electrode opposite to the net charge substances is formed through a traction electrode or a traction electret in a traction area of the impurity discharging area of the combing cavity; the impurity discharging area of the combing cavity is provided with an impurity sucking port, the impurity sucking port is arranged between the charge releasing area and the traction area, the static generator releases a net charge substance to charge the light impurities entering the impurity discharging area of the combing cavity, the traction electrode or the traction electret adsorbs the charged impurities to move towards the direction of the traction area, and when the moving charged impurities pass through the impurity sucking port of the impurity discharging area of the combing cavity, the impurity sucking port sucks the charged impurities to enable the impurities to enter the impurity sucking channel.
Furthermore, the impurity discharging area of the carding cavity is provided with an impurity stripping surface which is arranged obliquely downwards, and the impurity suction port is arranged on the impurity stripping surface;
when a cotton sliver is carded by a carding roller rotating at a high speed, the air supplementing channel supplements air to the carding cavity, an impurity stripping channel which is inclined downwards is formed at the lower part of the carding roller through the impurity stripping surface, the impurity stripping channel comprises an effective fiber area, a turning and reverse suction area and a free impurity falling area from top to bottom, long fibers in the effective fiber area are kept in the carding cavity to participate in yarn formation, impurities in the turning and reverse suction area are sucked into the impurity suction channel through the impurity suction port and discharged, and impurities in the free impurity falling area freely fall into an impurity discharge belt and are discharged;
the electric charge releasing area and the traction area are arranged corresponding to the rolling and back-suction area (when the light impurities are positioned in the rolling and back-suction area, the impurities in the rolling and back-suction area are adsorbed by net electric charge substances to form charged impurities), the traction area is arranged below the impurity absorbing port, the charged impurities are adsorbed by a traction electrode or a traction electret to move downwards, and when the moving charged impurities pass through the impurity absorbing port, the impurity absorbing port absorbs the charged impurities into the impurity absorbing channel.
Furthermore, the electrostatic generator comprises a discharge electrode, the discharge electrode is arranged on the impurity stripping surface, the tail end of the electrode corresponds to the impurity stripping channel, the discharge electrode is excited by high voltage to generate a substance with a net charge of positive charge or negative charge, a charge release area is formed in the rolling and back-suction area, and the impurity adsorbs the net charge substance to form charged impurities when passing through the charge release area.
Further, the electrostatic generator comprises a discharge cavity arranged on the shell and a charge discharge port arranged corresponding to the impurity stripping channel;
the discharge cavity adopts a frame structure, a discharge electrode is arranged in the frame structure, and the discharge electrode is excited by high voltage to generate a substance with net charge of positive charge or negative charge;
the frame structure is provided with at least one frame opening as a charge discharge port, the frame opening is positioned in a rolling and back-suction area of the impurity stripping channel, the excited net charge substance is discharged through the frame opening and forms a charge release area in the rolling and back-suction area, and the impurity adsorbs the net charge substance to form charged impurities when passing through the charge release area.
Furthermore, the discharge electrode is a discharge needle with a tip, the size of the tip passing through the discharge needle is in the micrometer level, and a strong electric field is formed by the tip to improve the high-voltage discharge effect.
Further, the traction electrode comprises a metal pole piece and a power line; after the electrification, the metal pole piece forms an electrode opposite to the net charge substance, so that the charged impurities are subjected to downward electric field force, and the charged impurities move towards the direction of the traction area under the action of the electric field force.
Further, the pulling electret is an electret having a counter electrode, and a charge property opposite to the excited net charge substance is formed by the electret, so that the charged impurities are adsorbed and move in the direction of the pulling region.
Furthermore, the traction area also comprises a impurity catching screen plate, wherein the screen plate is provided with meshes for heavy impurities to enter the free impurity falling area; the impurity catching screen plate is provided with a cleaning brush through a transverse moving mechanism, and the cleaning brush is driven by the transverse moving mechanism to clean the charged impurities caught on the impurity catching screen plate towards the direction of the impurity suction port.
Further, the impurity stripping surface and the horizontal plane are inclined downwards at an angle of 60) 70 degrees.
The invention also provides an AI impurity removing and carding system of the rotor spinning machine, which comprises the rotor spinning machine and an impurity removing AI control device;
the rotor spinning machine comprises a carding cavity provided with a carding roller, and an air supply channel and a carding cavity impurity discharge area are arranged below the corresponding carding cavity; the carding cavity impurity discharging area is internally provided with a charge releasing area and a traction area, the charge releasing area is provided with an electrostatic generator to release net charge substances, and the traction area is provided with a traction electrode or a traction electret to form an electrode opposite to the net charge substances; the impurity discharging area of the carding cavity is provided with an impurity absorbing port, and the impurity absorbing port is arranged between the charge releasing area and the traction area;
the impurity removing AI control device comprises an impurity detector and a controller which are in communication connection, and the electrostatic generator and the traction electrode are both in communication connection with the controller and receive the control of the controller; the impurity detector is used for detecting impurity information of the cotton sliver fed into the carding cavity and sending the impurity information to the controller;
the controller is configured to: receiving impurity information, judging whether the impurities belong to a light impurity type according to the impurity information, and sending a charge adsorption instruction when the impurities are judged to be the light impurity type; and controlling an electrostatic generator to release net charge substances and controlling a traction electrode or a traction electret in a traction area to form an electrode opposite to the net charge substances when the cotton sliver is combed by the combing roller rotating at a high speed according to the charge adsorption instruction; the electrostatic generator releases net charge substances to charge the light impurities entering the impurity discharging area of the combing cavity, the charged impurities are adsorbed by the traction electrode or the traction electret to move towards the direction of the traction area, and when the moving charged impurities pass through the impurity adsorbing port, the impurity adsorbing port sucks the charged impurities to enable the impurities to enter the impurity adsorbing channel.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects as examples: utilize light impurity such as short velvet easily to obtain the characteristic that electric charge formation charged impurity carried on the seizure, set up charge release district and traction area in impurity peeling channel, simultaneously through impurity detector intelligence detection silver impurity type, to the light impurity type triggering charge adsorption instruction that turns over easily and suck back, and the no impurity region of silver and heavy impurity region then need not to trigger charge adsorption instruction, so realized removing miscellaneous based on the artificial intelligence of silver impurity type, compromise light impurity's row miscellaneous effect and energy-conserving demand. Furthermore, the method organically combines free impurity falling and accurate impurity absorption, and has the characteristics of wide raw material adaptability, good yarn quality consistency and low energy consumption.
Drawings
Fig. 1 is a flow chart of an AI impurity removing and carding method of a rotor spinning machine according to an embodiment of the present invention.
Fig. 2 is an information processing diagram of an AI trash removal and carding method according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a double row impurity carding device provided with a charge discharging area and a traction area according to an embodiment of the present invention.
FIG. 4 is a schematic diagram of a net charge distribution of a charge-releasing region according to an embodiment of the present invention.
Fig. 5 is a first circuit structure diagram of the charge discharging region according to the embodiment of the present invention.
Fig. 6 is a circuit structure diagram of a charge releasing region according to an embodiment of the present invention.
Fig. 7 is a sectional view of an impurity removal channel according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a system according to an embodiment of the present invention.
Description of reference numerals:
a double row impurity carding device 100;
a housing 110;
a carding roll 120, a fiber transfer zone 121;
a fiber transfer passage 140;
a gas supply passage 150;
a carding cavity impurity discharging area 160, an impurity stripping channel 161, an effective fiber area 161a, a turning back suction area 161b and a free impurity falling area 161c;
an impurity stripping surface 170, a gettering port 171, a gettering passage 172, a suction pipe 173, and an air blowing device 174;
a charge discharge area 180, a power source 181, an electrostatic generator 182, an electrode lead 182a, a discharge electrode 182b, a frame structure 182c, a charge discharge port 182d;
Detailed Description
The AI impurity removing and carding method and system of the rotor spinning machine disclosed by the invention are further explained in detail with reference to the attached drawings and specific embodiments. It should be noted that technical features or combinations of technical features described in the following embodiments should not be considered as being isolated, and they may be combined with each other to achieve better technical effects. In the drawings of the embodiments described below, the same reference numerals appearing in the respective drawings denote the same features or components, and may be applied to different embodiments. Thus, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
It should be noted that the structures, the proportions, the sizes, and the like shown in the drawings are only used for matching the disclosure of the present invention, and are not used for limiting the practical limitations of the invention, and any modifications of the structures, changes of the proportion relationships, or adjustments of the sizes, which do not affect the efficacy and the purpose of the invention, should fall within the scope of the disclosure of the invention. The scope of the preferred embodiments of the present invention includes additional implementations in which functions may be executed out of order from that described or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
Examples
Referring to fig. 1 (which is a flow chart of an AI (artificial intelligence) impurity removing and carding method of a rotor spinning machine provided by the invention).
The rotor spinning machine comprises a carding cavity provided with a carding roller, the carding cavity is communicated with a cotton sliver feeding channel and a fiber conveying channel, and an air supplementing channel and a carding cavity impurity discharging area are arranged below the corresponding carding cavity. During spinning, cotton slivers are sent into the carding cavity through the cotton sliver feeding channel to be carded, and fibers after being carded enter the interior of the rotor through the fiber conveying channel, then come out from the condensation groove, are drawn into the false twisting disc and are made into yarns.
In this embodiment, the impurity discharging area of the combing cavity is provided with a charge releasing area and a traction area. The charge releasing region is provided with an electrostatic generator to release a net charge substance. The traction area is provided with a traction electrode or a traction electret which forms an electrode opposite to the net charge substance. And the impurity discharging area of the carding cavity is provided with an impurity absorbing port, and the impurity absorbing port is arranged between the charge releasing area and the traction area.
In this embodiment, the AI trash removal and carding method includes the steps of:
s100, detecting impurity information of the cotton sliver fed into the carding cavity through an impurity detector.
Preferably, the foreign matter detector is provided on the sliver feeding path. When a cotton sliver is fed into the carding chamber through the cotton sliver feeding channel, impurity information of the cotton sliver is detected by an impurity detector arranged in the cotton sliver feeding channel, and a detection result is sent to the air injection control device, wherein the impurity information comprises information of an area where the impurity is located.
The impurity detector may be communicatively coupled to an associated controller. The communication connection may be wired communication or wireless communication. The preferred wireless communication mode that adopts makes the setting of controller more flexible.
The electrostatic generator and the traction electrode which are provided with the impurity discharging area of the combing cavity are both in communication connection with the controller and receive the control of the controller. The impurity detector can send the impurity information of the cotton sliver obtained by detection to the controller, and the controller is used for evaluating the impurity type.
And S200, judging whether the impurities belong to the light impurity type according to the impurity information, and sending a charge adsorption instruction when the impurities are judged to be the light impurity type.
The judgment of the impurity type can be from a preset impurity type evaluation model. The impurity evaluation model may be, by way of example and not limitation, a mapping model established based on information such as an impurity image and an impurity photoreaction characteristic (including anisotropy, light absorption performance, optical rotation behavior, etc.) of an existing common impurity, and thus, based on the input impurity image and/or the collected impurity photoreaction characteristic information, a corresponding impurity type may be obtained through the impurity evaluation model. As an example of a typical mode, acquiring cotton sliver image data through an image acquisition device, and judging the type of impurities by analyzing the forms of the impurities in the cotton sliver image and combining the diameters, areas and/or size of the impurities; and when the identified impurities are in a curled strip shape and the sizes of the impurities are smaller than a certain preset diameter, area and/volume value, judging that the impurities are in a light impurity type, otherwise, judging that the impurities are in a heavy impurity type.
Specifically, the impurity detector may include a camera and an image recognition unit. The camera is used for shooting image data of cotton slivers in the cotton sliver feeding channel and transmitting the image data to the image recognition unit. The image identification unit is used for identifying and analyzing the cotton sliver image data to acquire impurity distribution information and impurity type information in the cotton sliver. And then, sending the impurity distribution information and the impurity type information to a controller, and judging the type of the impurity through an impurity type evaluation model in the controller.
The controller can trigger the charge adsorption instruction when judging that the impurities are light impurity types according to the impurity information. When the impurity is judged to be a heavy impurity type, the charge adsorption instruction is not triggered.
S300, controlling an electrostatic generator arranged in a charge release area in a trash discharging area of the carding cavity to release net charge substances when the cotton sliver is carded by the carding roller rotating at a high speed according to the charge adsorption instruction, and forming an electrode opposite to the net charge substances through a traction electrode or a traction electret in a traction area of the trash discharging area of the carding cavity.
Specifically, as shown in fig. 2, the controller triggers the charge adsorption command when determining that the impurity is a light impurity. And controlling an electrostatic generator to release the net charge substances according to the charge adsorption instruction, and simultaneously controlling a traction electrode or a traction electret in the traction area to form an electrode opposite to the net charge substances. The electrostatic generator releases net charge substances to charge the light impurities entering the impurity discharge area of the combing cavity, and the charged impurities are adsorbed by the traction electrode or the traction electret to move towards the direction of the traction area. Because the impurity suction port is arranged between the charge release area and the traction area, when moving charged impurities pass through the impurity suction port of the impurity discharge area of the combing cavity, the impurity suction port sucks the charged impurities to enable the impurities to enter the impurity suction channel.
So, utilize light impurity such as short velvet to easily obtain the characteristic that electric charge formation charged impurity carried on the seizure, set up charge release district and traction area in impurity peeling channel, simultaneously through impurity detector intelligent detection silver impurity type, to the light impurity type triggering charge adsorption instruction that turns over easily and suck back, and the no impurity region of silver and heavy impurity region then need not to trigger charge adsorption instruction, so realized removing miscellaneous (intelligent identification and the supplementary trash removal of intelligence of impurity) based on silver impurity type artificial intelligence, compromise light impurity's row miscellaneous effect and energy-conserving demand.
In a preferred embodiment, the impurity discharging area of the carding cavity is provided with an impurity stripping surface which is arranged obliquely downwards, and the impurity suction port is arranged on the impurity stripping surface. When a cotton sliver is combed by a combing roller rotating at a high speed, the air supplementing channel supplements air to the combing cavity, the impurity stripping surface forms an impurity stripping channel inclining downwards at the lower part of the combing roller, the impurity stripping channel comprises an effective fiber area, a turning and reverse suction area and a free impurity falling area from top to bottom, long fibers in the effective fiber area are kept in the combing cavity to participate in yarn formation, impurities in the turning and reverse suction area are sucked into the impurity suction channel through the impurity suction port and discharged, and impurities in the free impurity falling area freely fall into the impurity discharge belt and are discharged.
The electric charge releasing area and the traction area are arranged corresponding to the rolling and back-suction area (when the light impurities are positioned in the rolling and back-suction area, the impurities in the rolling and back-suction area are adsorbed by net electric charge substances to form charged impurities), the traction area is arranged below the impurity absorbing port, the charged impurities are adsorbed by a traction electrode or a traction electret to move downwards, and when the moving charged impurities pass through the impurity absorbing port, the impurity absorbing port absorbs the charged impurities into the impurity absorbing channel.
The double row trash carding device provided by the embodiment is described in detail with reference to fig. 3. The double row impurity carding device 100 comprises a shell 110 provided with a carding cavity, carding rollers 120 are arranged in the carding cavity, and a cotton sliver feeding channel 130 and a fiber conveying channel 140 which are respectively communicated with the carding cavity are arranged on the shell 110.
The left side of the carding roller 120 is provided with a fiber transfer area 121 for transferring the carded sliver. The fiber transfer area 121 is arranged below the fiber conveying channel 140, and the cotton sliver passes through the fiber transfer area 121 after carding and is conveyed to the rotor through the fiber conveying channel 140. During spinning, cotton slivers are sent into the carding cavity for carding through the cotton sliver feeding channel 130, and carded fibers enter the interior of the rotor through the fiber conveying channel 140, then come out from the condensation groove, are drawn into the false twisting disc and are made into yarns.
In this embodiment, the air supply channel 150 and the impurity discharge area 160 of the carding chamber are disposed under the corresponding carding chamber.
Air is supplied to the carding cavity through the air supply channel 150, and the air supply direction corresponds to the lower part of the carding roller 120. The lower part of the carding cavity is a carding cavity impurity discharging area 160. Specifically, the housing 110 is provided with an impurity stripping surface 170 which is obliquely arranged downwards corresponding to the impurity discharging area 160 of the carding chamber, and the impurity stripping surface 170 is provided with an impurity suction port 171. In the embodiment, the impurity stripping surface and the horizontal plane are 60) and are obliquely arranged downwards at an angle of 70 degrees, and preferably at an angle of 65 degrees.
The impurity peeling passage 161 inclined downward may be formed at a lower portion of the opening roller 120 by the impurity peeling surface 170, and the impurity peeling passage 161 may include an effective fiber region, a turn-up suck-back region, and a free fall impurity region from top to bottom. The impurities in the turning back suction area can be sucked into the impurity suction channel through the impurity suction port 171 and then discharged, and the impurities in the free falling impurity area can freely fall into the impurity discharge belt to be discharged.
A foreign matter detector is provided corresponding to the sliver feeding passage 130, and the foreign matter detector is connected with the controller. During spinning, impurity information of the sliver fed into the sliver feeding channel 130 is detected by the impurity detector and the detected impurity information is transmitted to the controller. The controller can trigger the charge adsorption instruction when judging that the impurities are light impurity types according to the impurity information. When the impurity is judged to be a heavy impurity type, the charge adsorption instruction is not triggered.
Preferably, sliver feeding channel 130 can be provided with feeds cotton loudspeaker, feeds cotton roller and feeds cotton board, impurity detector including camera and image recognition unit, the camera can be located the inboard of feeding cotton loudspeaker. And the camera is used for shooting image data of the cotton sliver in the cotton feeding horn and transmitting the image data to the image identification unit. The image identification unit identifies and analyzes the cotton sliver image data to acquire impurity distribution information and impurity type information in the cotton sliver. And then, sending the impurity distribution information and the impurity type information to a controller, and judging the type of the impurity through an impurity type evaluation model in the controller.
The turn-up suck-back region corresponding to the impurity peeling path 161 is provided with a charge discharging region 180 and a pulling region 190. The charge releasing region 180 is provided with an electrostatic generator, and the electrostatic generator is controlled by the controller to release net charge substances so as to charge the impurities in the rolling suck-back region. In this embodiment, the electrostatic generator is capable of generating and discharging a net charge material. In the air, the electrostatic generator can be excited by high voltage to generate substances with positive or negative net charges.
The specific structure of the electrostatic generator is not limited, for example, when light impurities such as short fibers, dust particle impurities, etc. in the roll-over suck-back region are encountered by electrons excited by the negative ion generator, the light impurities are attached to the light impurities, so that the light impurities have a net charge property to form charged impurities, as shown in fig. 4. To facilitate the discharge of the net charged matter, the electrostatic generator may also be provided with an electrostatic arrangement, such as a frame structure defining the distribution of the net charged matter, or a conduit for conducting the net charged matter, or other similar structures.
The pulling area 190 is disposed in an area below the suction port 171. The traction area 190 is provided with a traction electrode or a traction electret for absorbing the charged impurities in the rolling back-suction area to move towards the lower traction area, as shown in fig. 4. When the charged impurities move towards the direction of the drawing area, the charged impurities inevitably pass through the impurity suction port 171, so that the charged impurities can be sucked into the impurity suction channel through the impurity suction port 171. That is, the charged impurities are attracted by the attraction electrode or the attraction electret to move in the direction of the impurity attracting port below, and when passing through the impurity attracting port, the charged impurities are attracted into the impurity attracting passage by the suction negative pressure of the impurity attracting port and discharged.
In one embodiment, the electrostatic generator may include a discharge electrode, the discharge electrode is installed on the impurity peeling surface, the end of the discharge electrode corresponds to the impurity peeling channel, the discharge electrode is excited by a high voltage to generate a substance with a net charge of positive or negative charge and form a charge releasing region in the turning and suck region, and the impurities pass through the charge releasing region to adsorb the net charge substance to form charged impurities.
As an exemplary embodiment, referring to fig. 5, the charge discharging region 180 includes an electrostatic generator 182 electrically connected to a power source 181. The static electricity generator 182 is communicatively coupled to and receives control from the controller.
The electrostatic generator 220 may specifically include an electrode lead 182a and a discharge electrode 182b, and the plurality of discharge electrodes 182b vertically arranged are connected through the electrode lead 182 a. After triggering the charge adsorption command, the controller may start the electrostatic generator and the high voltage is energized through the discharge electrode 182b to produce a net charge substance.
The power source 181 is used as a power supply structure of the electrostatic generator 182, and may be a storage battery structure, an external power source, or a wireless power supply structure. In the present embodiment, a secondary battery is preferably used.
Preferably, a groove is provided corresponding to the impurity peeling surface of the case, and the discharge electrode 182b is mounted in the groove by an electrode holder. The electrode holder, by way of example and not limitation, preferably employs a movable connector such as a snap, clamp, threaded connector, etc. to facilitate replacement and maintenance of the discharge electrode 182b.
In another embodiment of this embodiment, the static electricity generator 182 may further include a discharge chamber disposed on the housing 110 and a charge discharge port disposed corresponding to the impurity peeling passage.
Referring to fig. 6, the discharge chamber preferably adopts a frame structure 182c, and a discharge electrode 182b is disposed in the frame structure 182c, and the discharge electrode 182b is excited by a high voltage to generate a substance with a net charge of positive or negative.
The frame structure 182c is provided with at least one opening as a charge discharging port 182d, and the opening (i.e., the charge discharging port 182 d) is located in the rollover suck-back region of the impurity peeling passage. The excited net charge substance is discharged through the charge discharging port 182d and forms a charge discharging region at the rollover suck-back region, and the impurities adsorb the net charge substance to form charged impurities while passing through the charge discharging region.
In another embodiment, the discharge chamber can be connected with the frame structure through the electrostatic conduit, so that the arrangement position of the discharge chamber on the shell can be flexibly adjusted. Specifically, the discharge cavity may further include a duct opening, a frame structure, and an electrostatic duct connecting the duct opening and the frame structure. The frame structure is provided with at least one opening as a charge discharge port, and the charge discharge port is positioned in a turning and back suction area of the impurity stripping channel. The net charge matter excited by the electrode enters the electrostatic conduit through the conduit opening, is introduced into the frame structure through the electrostatic conduit, and is discharged through a frame opening on the frame structure, so that the net charge matter can be accumulated at the impurity stripping surface or an adjacent position outside the impurity stripping surface. By adopting the above configuration, the discharge direction of the net charge substance can be flexibly designed and selected.
In this embodiment, preferably, the discharge electrode is a discharge needle having a tip, and the tip size of the discharge needle is in the micrometer range, and a strong electric field is formed by using the tip to enhance the high-voltage discharge effect. By way of example only, the discharge needles preferably have a diameter of 20 microns and a length of 500 microns. The discharge needle can be manufactured by using a high-aspect-ratio dry etching process on a silicon substrate material and electroplating metal copper on both sides. Because the size of the tail end of the discharge needle is in the micron order and the metal distances of the two sides are very close, a high-voltage discharge effect can be formed at the tail end of the discharge needle only by using a low-power supply, effective corona discharge is formed in the cavity of the discharge cavity, the discharge needle is vertically arranged in the middle of the cavity of the discharge cavity, and sufficient net charges are released under the excitation of voltage.
In use, by way of example and not limitation, under the control of a controller, negative charge substances are excited by an electrostatic generator and are discharged outwards through an opening on the impurity stripping surface, a charge release area is formed in a turning and back suction area of the impurity stripping surface, impurities adsorb net charge substances to form charged impurities when passing through the charge release area, and the charged impurities are sucked into the impurity sucking channel through the impurity sucking port and then discharged when moving towards the impurity sucking port under the action of the electric field adsorption force (electric field force generated by opposite charges) of the traction area.
Referring to fig. 7, in an embodiment of the present embodiment, the traction electrode of the traction area 190 may include a metal pole piece 191 and an energizing circuit 192, the energizing circuit 192 may be connected to a controller 193, and the energizing and de-energizing of the energizing circuit 192 may be controlled by the controller 193. When the power line 192 is energized, the metal plate 191 forms an electrode opposite to the foregoing net charge material, so that the charged impurities are subjected to a downward electric field force, and the charged impurities move toward the traction area under the action of the electric field force.
The metal pole piece can be made of metal aluminum foil, for example. By way of example and not limitation, for example, a discharge electrode of the electrostatic generator is excited by a high voltage to release electrons, the excited electrons are discharged corresponding to the rolling suck-back region, and negatively charged impurities are formed after encountering impurities in the rolling suck-back region; and the aluminum foil of the traction electrode is electrified to form a positive electrode, negatively charged impurities in the turning and reverse-sucking area are attracted to move to the position of the aluminum foil, and when the negatively charged impurities approach the impurity sucking port, the negatively charged impurities are sucked into the impurity sucking channel through the impurity sucking port and then are discharged.
In another embodiment, the pulling region 190 employs a pulling electret as the charge-adsorbing structure. Specifically, the pulling electret is an electret having a counter electrode, and a charge property opposite to the excited net charge substance is formed by the electret, so that charged impurities are adsorbed and move in the direction toward the pulling region.
This approach creates an opposite charge attribute to the aforementioned net charge species in the traction zone 190 by utilizing the long-term stored charge characteristics of the electret, causing the net charge species to move toward the traction zone 190, thus eliminating the need for a further electrical path.
According to the technical scheme provided by the embodiment, the impurity discharging area 160 of the carding chamber and the horizontal plane are arranged in a 65-degree downward inclination manner, and impurities are discharged under the comprehensive acting forces of centrifugal force of the carding roller 120, negative pressure suction force of an impurity suction port on an impurity stripping surface, self gravity of the impurities and the like. Referring to fig. 7, for the uppermost effective fiber area 161a, the fiber length and the unit volume weight are small, and the air supporting force of the carding is larger than the combined acting force of the centrifugal force and the gravity, so that the limited fibers are kept in the carding cavity to participate in yarn formation. For the middle turning back suction area 161b, the area is mainly composed of light impurities, short velvet and other impurities (because the carding air supply holding force, the centrifugal force and the gravity are kept flat, part of the impurities are easy to be sucked back into the carding body, and accidental broken ends are caused). The gettering is mainly used for removing light impurities and the like and preventing the light impurities from being reversely absorbed back to the carding cavity after being rolled, so that the gettering negative pressure requirement is not high, and the low energy consumption is ensured. On the other hand, the characteristic that light impurities such as short fibers and the like are easy to obtain electric charges to form charged impurities for capturing is also utilized, the electric charge releasing area and the traction area are arranged in the impurity stripping channel, and the static generator of the electric charge releasing area releases net electric charge substances to charge the light impurities in the rolling and back-suction area; the traction area is arranged below the impurity suction port, the traction area is provided with a traction electrode or a traction electret to adsorb charged impurities and move towards the direction of the traction area, and when the moving charged impurities approach the impurity suction port, the impurity suction port sucks the charged impurities into the impurity suction channel, so that the impurity suction port is assisted to accurately suck the light impurities, and the impurity removal effect of the light impurities is improved. For the lower free impurity falling area 161c, the area is mainly heavy impurities such as neps, cottonseed hulls, short thread ends and the like, the unit volume weight is large, and the carding air supply supporting force is far smaller than the comprehensive acting force of centrifugal force and gravity, so that the heavy impurities and the large impurities freely fall into an impurity discharging belt to be discharged.
The scheme is particularly suitable for the regenerated raw materials with more impurity content, heavy impurities, large impurities and the like in the impurities are freely discharged by combing centrifugal force, light impurities, short fibers and the like in the impurities are transferred and removed by impurity absorption, impurity turning and reverse absorption in an impurity discharge area of a combing cavity are eliminated, effective fiber yarn formation is reserved to the maximum extent, accurate impurity removal is realized, high yield is guaranteed, nep broken ends caused by impurity turning and reverse absorption are reduced, and the spinning suitability of the regenerated raw materials is improved.
Considering that the upper surface of the traction area is more or less accumulated with some charged impurities, the traction area can also comprise a impurity catching screen plate, and the screen plate is provided with meshes for heavy impurities to enter the free-fall impurity area. Furthermore, a cleaning brush is further installed on the impurity catching screen plate through a transverse moving mechanism, the cleaning brush is driven by the transverse moving mechanism to clean the charged impurities caught on the impurity catching screen plate towards the direction of the impurity suction port, and the charged impurities are sucked into the impurity suction channel under the suction negative pressure of the impurity suction port.
The conductive area corresponding to the traction area and the discharge area of the electrostatic generator can be further provided with an isolation protective layer to prevent workers from mistakenly touching the conductive area and the discharge area to cause injury. Preferably, the isolation protection layer is of a grid-shaped or comb-tooth-shaped structure, and is preferably made of rubber, silica gel, plastic and other materials.
In this embodiment, the impurity suction port, the impurity suction channel and the impurity discharge area of the carding cavity can be assembled by splicing after being manufactured separately, or can be manufactured by integral molding. Preferably, the impurity suction port, the impurity suction channel and the impurity discharge area of the carding cavity are integrally formed. The front end of the gettering channel 172 is connected to the gettering port 171, or the gettering port 171 is provided as a part of the front end of the gettering channel 172.
With continued reference to fig. 7, the gettering channels 172 are preferably L-shaped channels with rounded inner corners. The tail of the gettering channel 172 is communicated with a gettering main air pipe through a suction pipe 173. The cross section of the suction pipe 173 is circular, the tail end of the suction pipe 173 is provided with a tapered tail pipe with a gradually reduced caliber, and the small-caliber end of the tapered tail pipe is communicated with the impurity absorption main air pipe.
Specifically, the gettering pathway 172 may include a front suction port (connected to or as a gettering port) and a rear suction hole that are perpendicular to each other. The front suction port is rectangular and matched with the front suction port to form a rectangular through groove for allowing foreign particles to enter. The through hole is formed in the rear suction hole and can be connected with the suction pipe 173 in an inserting mode, the through hole is preferably set to be circular, dead angles cannot be formed, and impurities cannot stop easily. Preferably, one side surface of the rectangular through groove is set to be an inclined surface, a certain angle a is formed between the inclined surface and the outer side surface of the front suction port, a is larger than or equal to 60 degrees at an angle of 8 degrees, impurities can enter the through hole more smoothly through the rectangular through groove, an opening is formed in the inclined surface facing outwards at one end surface of the through hole, dead angles formed in the area by airflow are avoided, and impurity retention is avoided. And rounding treatment is carried out from the intersection of the rectangular through groove and the circular through hole, so that smooth transition is realized.
Preferably, an air blowing device 174 is further provided corresponding to the gettering port 171 or the gettering channel 172, as shown in FIG. 7. In one embodiment, the blowing device 174 can be used to periodically blow clean the gettering port or the gettering passage to prevent the clogging of the gettering line. In another embodiment, the suction port or the suction channel can be cleaned by blowing air through the air blowing device 174 according to the operation of the user, so as to prevent the suction pipeline from being blocked.
Referring to fig. 8, an AI trash removal and carding system of a rotor spinning machine is provided as another embodiment of the present invention.
The system comprises a rotor spinning machine and an Artificial Intelligence (AI) control device.
The rotor spinning machine comprises a carding cavity provided with a carding roller, and an air supply channel and a carding cavity impurity discharge area are arranged below the corresponding carding cavity. The carding cavity impurity discharging area is internally provided with a charge releasing area and a traction area, the charge releasing area is provided with an electrostatic generator to release net charge substances, and the traction area is provided with a traction electrode or a traction electret to form an electrode opposite to the net charge substances. And the impurity discharging area of the carding cavity is provided with an impurity absorbing port, and the impurity absorbing port is arranged between the charge releasing area and the traction area.
The impurity removing AI control device comprises an impurity detector and a controller which are in communication connection, and the electrostatic generator and the traction electrode are both in communication connection with the controller and receive the control of the controller; the impurity detector is used for detecting impurity information of the cotton sliver fed into the carding cavity and sending the impurity information to the controller.
The controller is configured to: receiving impurity information, judging whether the impurities belong to a light impurity type according to the impurity information, and sending a charge adsorption instruction when the impurities are judged to be the light impurity type; and controlling an electrostatic generator to release net charge substances and controlling a traction electrode or a traction electret in a traction area to form an electrode opposite to the net charge substances when the cotton sliver is combed by the carding roller rotating at a high speed according to the charge adsorption instruction; the electrostatic generator releases net charge substances to charge the light impurities entering the impurity discharging area of the combing cavity, the charged impurities are adsorbed by the traction electrode or the traction electret to move towards the direction of the traction area, and when the moving charged impurities pass through the impurity adsorbing port, the impurity adsorbing port adsorbs the charged impurities to enable the impurities to enter the impurity adsorbing channel.
Other technical features are referred to in the previous embodiments and will not be described herein.
In the description above, the various components may be selectively and operatively combined in any number within the intended scope of the present disclosure. In addition, terms like "comprising," "including," and "having" should be interpreted as inclusive or open-ended, rather than exclusive or closed-ended, by default, unless explicitly defined to the contrary. All technical, scientific, or other terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless defined otherwise. Common terms found in dictionaries should not be interpreted as being too idealized or too impractical in the context of related art documents unless the present disclosure expressly limits them to that.
While exemplary aspects of the present disclosure have been described for illustrative purposes, those skilled in the art will appreciate that the foregoing description is merely illustrative of the preferred embodiments of the present disclosure and is not intended to limit the scope of the invention in any way, which includes alternative implementations in which functions may be performed out of the order presented or discussed. Any changes and modifications of the present invention based on the above disclosure will be within the scope of the appended claims.
Claims (9)
1. An AI impurity removing and carding method of a rotor spinning machine, the rotor spinning machine comprises a carding cavity provided with a carding roller, an air supply channel and an impurity removing area of the carding cavity are arranged below the corresponding carding cavity, and the AI impurity removing and carding method is characterized by comprising the following steps:
detecting impurity information of the cotton sliver fed into the carding cavity through an impurity detector;
judging whether the impurities belong to light impurity types or not according to the impurity information, and sending out a charge adsorption instruction when the impurities are judged to be the light impurity types;
according to the charge adsorption instruction, when the cotton sliver is combed by the carding roller rotating at a high speed, an electrostatic generator arranged in a charge release area in a trash discharging area of the carding cavity is controlled to release net charge substances, and meanwhile, an electrode opposite to the net charge substances is formed by a traction electrode or a traction electret in a traction area of the trash discharging area of the carding cavity; the impurity discharging area of the combing cavity is provided with an impurity sucking port, the impurity sucking port is arranged between the charge releasing area and the traction area, the electrostatic generator releases a net charge substance to charge the light impurities entering the impurity discharging area of the combing cavity, the traction electrode or the traction electret adsorbs the charged impurities to move towards the direction of the traction area, and when the moving charged impurities pass through the impurity sucking port of the impurity discharging area of the combing cavity, the impurity sucking port sucks the charged impurities to enable the impurities to enter the impurity sucking channel;
the impurity removing area of the carding cavity is provided with an impurity removing surface which is arranged obliquely downwards, and the impurity absorbing port is arranged on the impurity removing surface;
when a cotton sliver is carded by a carding roller rotating at a high speed, the air supplementing channel supplements air to the carding cavity, an impurity stripping channel which is inclined downwards is formed at the lower part of the carding roller through the impurity stripping surface, the impurity stripping channel comprises an effective fiber area, a turning and reverse suction area and a free impurity falling area from top to bottom, long fibers in the effective fiber area are kept in the carding cavity to participate in yarn formation, impurities in the turning and reverse suction area are sucked into the impurity suction channel through the impurity suction port and discharged, and impurities in the free impurity falling area freely fall into an impurity discharge belt and are discharged;
the charge releasing area and the traction area are arranged corresponding to the rolling and back-suction area, and when the light impurities are positioned in the rolling and back-suction area, the net charge substances adsorb the impurities in the rolling and back-suction area to form charged impurities; the traction area is arranged below the impurity suction port, the traction electrode or the traction electret adsorbs charged impurities to move downwards, and when the moving charged impurities approach the impurity suction port, the impurity suction port sucks the charged impurities into the impurity suction channel.
2. The AI trash removal and carding method of claim 1, wherein: the electrostatic generator comprises a discharge electrode, the discharge electrode is arranged on an impurity stripping surface, the tail end of the electrode corresponds to an impurity stripping channel, the discharge electrode is excited by high voltage to generate a substance with a net charge of positive charge or negative charge, a charge release area is formed in a rolling back-suction area, and impurities adsorb the net charge substance to form charged impurities when passing through the charge release area.
3. The AI trash removal and carding method of claim 1, wherein: the electrostatic generator comprises a discharge cavity arranged on the shell and a charge discharge port arranged corresponding to the impurity stripping channel;
the discharge cavity adopts a frame structure, a discharge electrode is arranged in the frame structure, and the discharge electrode is excited by high voltage to generate a substance with positive or negative net charge;
the frame structure is provided with at least one frame opening as a charge discharge port, the frame opening is positioned in a rolling and back-suction area of the impurity stripping channel, the excited net charge substance is discharged through the frame opening and forms a charge release area in the rolling and back-suction area, and the impurity adsorbs the net charge substance to form charged impurities when passing through the charge release area.
4. The AI-trash discharging and carding method according to claim 2 or 3, characterized in that: the discharge electrode is a discharge needle with a tip, the tip size of the discharge needle is in a micron order, and the tip is utilized to form a strong electric field to promote a high-voltage discharge effect.
5. The AI trash removal and carding method of claim 1, wherein: the traction electrode comprises a metal pole piece and a power line; after the electrification, the metal pole piece forms an electrode opposite to the net charge substance, so that the charged impurities are subjected to downward electric field force, and the charged impurities move towards the direction of the traction area under the action of the electric field force.
6. The AI trash removal and carding method of claim 1, wherein: the traction electret is an electret with a counter electrode, and the charge property opposite to the excited net charge substance is formed by the electret, so that charged impurities are adsorbed to move towards the direction of the traction area.
7. The AI trash removal and carding method of claim 1, wherein: the traction area also comprises a impurity catching screen plate, and the screen plate is provided with meshes for heavy impurities to enter the free impurity falling area; the impurity catching screen plate is provided with a cleaning brush through a transverse moving mechanism, and the cleaning brush is driven by the transverse moving mechanism to clean the charged impurities caught on the impurity catching screen plate towards the direction of the impurity suction port.
8. The AI trash removal and carding method of claim 1, wherein: the impurity stripping surface and the horizontal plane are obliquely arranged downwards at an angle of 60-70 degrees.
9. An AI impurity removing and carding system of a rotor spinning machine according to the method of claim 1, characterized in that: the system comprises a rotor spinning machine and an impurity removing AI control device;
the rotor spinning machine comprises a carding cavity provided with a carding roller, and an air supply channel and a carding cavity impurity discharge area are arranged below the corresponding carding cavity; the carding cavity impurity discharging area is internally provided with a charge releasing area and a traction area, the charge releasing area is provided with an electrostatic generator to release net charge substances, and the traction area is provided with a traction electrode or a traction electret to form an electrode opposite to the net charge substances; the impurity discharging area of the carding cavity is provided with an impurity absorbing port, and the impurity absorbing port is arranged between the charge releasing area and the traction area;
the impurity removing AI control device comprises an impurity detector and a controller which are in communication connection, and the electrostatic generator and the traction electrode are both in communication connection with the controller and receive the control of the controller; the impurity detector is used for detecting impurity information of the cotton sliver fed into the carding cavity and sending the impurity information to the controller;
the controller is configured to: receiving impurity information, judging whether the impurities belong to a light impurity type according to the impurity information, and sending a charge adsorption instruction when the impurities are judged to be the light impurity type; and controlling an electrostatic generator to release net charge substances and controlling a traction electrode or a traction electret in a traction area to form an electrode opposite to the net charge substances when the cotton sliver is combed by the carding roller rotating at a high speed according to the charge adsorption instruction; the electrostatic generator releases net charge substances to charge the light impurities entering the impurity discharging area of the combing cavity, the charged impurities are adsorbed by the traction electrode or the traction electret to move towards the direction of the traction area, and when the moving charged impurities pass through the impurity adsorbing port, the impurity adsorbing port sucks the charged impurities to enable the impurities to enter the impurity adsorbing channel.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1400152A (en) * | 1971-09-03 | 1975-07-16 | Platt Saco Lowell Ltd | Removal of trash in the open-end spinning of textile yarns |
| CS166914B1 (en) * | 1972-04-26 | 1976-03-29 | ||
| US5699588A (en) * | 1996-06-26 | 1997-12-23 | China Textile Institute | Device of removing trash and dust from raw cotton before carding in the preparatory by applying a high-voltage static electricity |
| CN201300095Y (en) * | 2008-04-17 | 2009-09-02 | 韩杰 | Static-electricity suction weight separation equipment |
| CN201241209Y (en) * | 2008-06-20 | 2009-05-20 | 南阳市利民科技开发中心 | Cotton profiled fiber automatic cleaning machine |
| CN101587079B (en) * | 2009-05-08 | 2011-01-12 | 清华大学 | Multispectral chromatic polarization detection method of foreign impurity in the textile raw material |
| CN103217929B (en) * | 2013-03-12 | 2016-02-17 | 河南科技大学 | Control system of foreign cotton fiber sorting machine |
| CN107190374B (en) * | 2017-07-13 | 2023-10-20 | 浙江理工大学 | Impurity removing and carding device for rotor spinning machine |
| CN107366051A (en) * | 2017-07-19 | 2017-11-21 | 苏州多道自动化科技有限公司 | A kind of active gettering formula adapts to rotor spinning machine more |
| CN110420873A (en) * | 2019-08-19 | 2019-11-08 | 黄山小罐茶业有限公司 | Tealeaves removal of impurities production line and tealeaves impurity-removing method |
| CN111507962B (en) * | 2020-04-17 | 2023-08-29 | 无锡雪浪数制科技有限公司 | Cotton interior sundry identification system based on depth vision |
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