CN107190374B - Impurity removing and carding device for rotor spinning machine - Google Patents
Impurity removing and carding device for rotor spinning machine Download PDFInfo
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- CN107190374B CN107190374B CN201710570528.6A CN201710570528A CN107190374B CN 107190374 B CN107190374 B CN 107190374B CN 201710570528 A CN201710570528 A CN 201710570528A CN 107190374 B CN107190374 B CN 107190374B
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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
- D01H4/34—Arrangements for separating slivers into fibres; Orienting or straightening fibres, e.g. using guide-rolls using air-jet streams
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention discloses a trash-removing carding device for a rotor spinning machine, which comprises a shell and a carding roller, wherein a fiber conveying channel, a feeding channel and a trash-removing channel are respectively arranged on the shell, the trash-removing channel comprises a trash inlet and a trash outlet, and the trash-removing channel is internally provided with: the splitter plate is used for dividing the impurity discharging channel into an air flow channel and an impurity air flow channel, one end of the splitter plate is positioned at the impurity inlet and divides the impurity inlet into an air flow channel outlet and an impurity air flow channel inlet, and the other end of the splitter plate is positioned at the impurity outlet and divides the impurity outlet into an air flow channel inlet and an impurity air flow channel outlet; and the card clothing is paved on the surface of the flow distribution plate and comprises sharp teeth which are arranged towards the impurity outlet direction. The size of the air flow channel is regulated to control the size of the air flow, so that impurities with smaller density are prevented from being brought back into the carding cavity by the air supplementing air flow, the carding effect is improved, and the quality of yarns spun by the next several processes is prevented from being reduced.
Description
Technical Field
The invention relates to a trash removal carding device, in particular to a trash removal carding device for a rotor spinning machine.
Background
The rotor spinning machine mainly comprises a rotor, a false twisting disc, a yarn guiding tube, a yarn guiding roller, a fiber conveying channel, a feeding roller, a carding roller, a trash discharging carding device and the like, wherein the centrifugal force generated when the rotor rotates at a high speed is utilized to lead fibers transferred into the rotor at the carding cavity to generate condensation, so that the fiber strips (fiber rings) are formed, and the fiber strips are twisted to form yarn strips. Rotor spinning machines are called rotor spinning because of the use of rotor-condensed filaments, and they initially use mainly air flow, and are therefore also called air flow spinning. The rotor spinning is characterized by high spinning speed, large winding capacity, good spinning adaptability of low-grade cotton and waste doffing cotton, and greatly improved labor environment.
In order to convert the fiber strips fed by the feeding device into single fibers or single fiber groups, impurity removal and carding are needed for the fed fiber strips, and the impurity removal and carding is realized by virtue of centrifugal force generated by high-speed rotation of a carding roller and self weight impurity removal of impurities, so that the impurity removal and carding method is a free impurity falling mode, and impurities with large specific gravity can be thrown out to an impurity removal port by the centrifugal force, thereby completing impurity removal. Therefore, the impurity removing and carding device mainly plays a role of removing impurities contained in the fiber strips, so that the fiber strips are opened and decomposed into single fibers or single fiber groups. When the fed fiber strips are high in flock content and are limited by the free impurity falling mode in the carding cavity, the impurities and the flock with smaller specific gravity in the fibers can be supported by the airflow for conveying the fibers when falling, and the impurities and the flock can be sucked back into the carding cavity before falling into the impurity discharging area, so that yarn defects are generated. A large amount of impurities or flock enters the rotor to reduce the grade of the yarn and accelerate the abrasion of the rotor. Therefore, the impurity removing and carding device is an important component in the spinning process, and technicians are required to improve the working efficiency through continuous improvement.
The impurity content is one of the main factors affecting the quality of the finished yarn, and the lower the impurity content is, the more advantageous the quality of the finished yarn to follow. The presence of impurities can cause the yarn to have strong weak loops.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the impurity removing and carding device which can effectively improve the impurity removing effect, reduce the equipment loss and improve the quality of yarns.
The technical scheme adopted for solving the technical problems is as follows: a arrange miscellaneous comb device for rotor spinning machine, including the casing that has a comb chamber, divide the intracavity to install and divide the comb roller, offered on the casing respectively with divide the fibre passageway that the comb chamber is linked together, feed passageway and row miscellaneous passageway, feed passageway department and install feeding mechanism, row miscellaneous passageway is located the casing below, row miscellaneous passageway is including being close to the miscellaneous mouth of opening of comb chamber and keeping away from the miscellaneous mouth of opening of comb chamber, still install in the row miscellaneous passageway:
the splitter plate is used for dividing the impurity discharging channel into an air flow channel and an impurity air flow channel, one end of the splitter plate is positioned at the impurity inlet and divides the impurity inlet into an air flow channel outlet and an impurity air flow channel inlet, and the other end of the splitter plate is positioned at the impurity outlet and divides the impurity outlet into an air flow channel inlet and an impurity air flow channel outlet;
a card clothing laid on the surface of the splitter plate, wherein the card clothing comprises sharp teeth arranged towards the impurity outlet direction;
the outlet of the air flow channel is close to the feeding channel relative to the inlet of the impurity air flow channel;
the inner surface of the impurity airflow channel is provided with a plurality of recovery grooves which are obliquely downwards arranged, and the notch of each recovery groove faces to the outlet direction of the impurity airflow channel.
The beneficial effects of the invention are as follows: the impurity inlet of the impurity discharging channel is provided with a flow dividing plate, the impurity discharging channel is divided into two independent air flow channels and an impurity air flow channel by the flow dividing plate, wherein the air flow channel is used for supplementing air into the carding cavity, and the impurity air flow channel is used for discharging impurities. Through separating into miscellaneous mouthful for intake and impurity break away from and be in different opening positions, have strengthened the guide effect to the air current, thereby reduce the air current of tonifying qi to the influence (hold) of arranging the impurity, let the air current flow form a single direction, make impurity break away from under centrifugal force and self gravity effect and divide the direction of comb roller and the air current flow direction unanimous, reduce the air current and bring the impurity back to the possibility of dividing the comb roller, guarantee that impurity can be discharged from impurity air current passageway better. Simultaneously, because be equipped with the sharp tooth that sets up towards miscellaneous mouthful direction on the flow distribution plate, can avoid impurity to return and open the comb intracavity under the air current effect. The impurity content of the finally produced yarn is lower than 0.01% by the device, and the quality of the yarn is greatly improved. In addition, the rotor spinning machine is suitable for different fiber strips, such as cotton, artificial cotton, terylene, wool, ramie, etc. Different kinds of fiber strips have different linear density, length, strength, fineness, impurity content and the like, different rotating speed requirements on the carding roller, and different dead weights and centrifugal forces separating from the carding cavity. Therefore, depending on the fiber strands of different materials, and the impurities contained in the various fiber strands are different, different air supply amounts are required for the different fiber strands. For the density slightly higher and the impurity content higher, the air flow channel can be regulated; for lower density, less impurity, the gas flow channel can be adjusted to be smaller. The size of the air flow channel is regulated to control the size of the air flow, so that impurities with smaller density are prevented from being brought back into the carding cavity by the air supplementing air flow, the carding effect is improved, and the quality of yarns spun by the next several processes is prevented from being reduced.
The sharp angle of the sharp teeth is 15-40 degrees, and the back angle is 90-150 degrees. The sharp teeth must be arranged towards the direction of the impurity outlet, and the tooth tip angle and the tooth back angle of the sharp teeth are precisely designed, so that the best impurity removing effect can be obtained in the range. The preferred tooth tip angle is 30 ° and the preferred tooth back angle is 145 °.
In order to facilitate the size control of the splitter plate when separating the impurity discharging channel, the end part of the splitter plate, which is positioned at the impurity inlet, is a hinged end which is hinged in the impurity discharging channel through a rotating shaft; the end part of the splitter plate, which is positioned at the impurity outlet, is a swinging end. By pulling the splitter plate, the splitter plate is rotated about the axis of rotation, thereby changing the sizes of the gas flow channel and the impurity gas flow channel.
The end part of the fan-shaped structure, which is close to the circle center, is a hinged end, and the end part of the fan-shaped structure, which is close to the circular arc, is a swinging end; the card clothing is laid on the surface of the fan-shaped structure where the radius is; the central angle of the flow dividing plate is 30-60 degrees. The preferred central angle is 60. The width of the swinging end of the fan-shaped structure of the flow dividing plate is larger than that of the hinged end, the swinging end faces to the impurity outlet, and in the swinging process, the separation effect on the inlet of the airflow channel and the outlet of the impurity airflow channel is obvious. In addition, in the current impurity removing and carding device, the impurity outlet of the impurity removing channel is in a horn-shaped structure, so that the flow dividing plate can be better matched with the impurity removing channel structure, the flow dividing plate is also designed into a fan-shaped structure, the swinging end is an end part with an arc, the width of the swinging end is matched with the width of the opening of the horn, the transformation difficulty of the current impurity removing and carding device is reduced to the minimum, meanwhile, the required transformation cost is low, the workload is small, the impurity removing channel of the current impurity removing and carding device is not required to be changed, and the damage to the original structure is reduced. In addition, because the flow distribution plate can rotate at the hinged end, the angle of the flow distribution plate can be changed in a certain range by adjusting the position of the flow distribution plate, and the sizes of the air flow channel and the impurity air flow channel are dynamically adjusted, so that the device is suitable for fiber strips of different materials, the application surface of the device is enlarged, and the transformation cost and difficulty are reduced. The vertical direction passing through the rotating shaft is taken as a central line, and the swinging end swings within the range of about 50 degrees of the central line. Through researches, compared with the splitter plate with a flat plate structure, the splitter plate with the fan-shaped structure has the advantage that the impurity removing effect is improved by nearly one time.
The hinged end is positioned in the middle of the impurity inlet. The hinged end of the splitter plate is positioned in the middle of the impurity inlet to divide the impurity inlet into an air flow channel outlet and an impurity air flow channel inlet on average, and the fact proves that the separation ratio can bring the best impurity removing effect and prevent impurities from flowing back to the carding cavity due to air flow.
An auxiliary card clothing is laid on the inner surface of the impurity air flow channel, the auxiliary card clothing comprises auxiliary sharp teeth which are arranged towards the impurity outlet direction, the auxiliary card clothing plays a role in preventing impurities in the impurity air flow channel from flowing back to the carding cavity due to air flow, and the impurity discharging effect is improved.
Wherein the sharp angle of the auxiliary sharp teeth is 15-40 degrees, and the back angle is 90-150 degrees. The tooth tip angle is more preferably 30 °, and the tooth back angle is more preferably 145 °.
An arc through hole taking the rotating shaft as the center of a circle is formed in the shell, and a pulling block which is matched with the arc through hole and extends out of the shell is convexly arranged on the flow dividing plate. The pulling block is pulled by hands, so that the splitter plate can be driven to rotate around the rotating shaft, the angle of the splitter plate is adjusted, and the operation is simple and convenient.
In order to improve the effect of the card clothing, the distance from the tooth tips of the sharp teeth on the card clothing to the surface of the flow dividing plate is more than 6mm, so that the card clothing can play a role in blocking backflow impurities to the maximum extent, and the blocking effect is almost 100%.
The inner surface of the impurity airflow channel is provided with a plurality of recovery grooves which are obliquely downwards arranged, and the notch of each recovery groove faces to the outlet direction of the impurity airflow channel. Impurities enter the recovery tank under the action of wind power, so that the impurities are collected, and the impurities are prevented from entering the carding cavity along with the backflow. In addition, the recovery tanks are arranged obliquely downwards, so that the recovery capacity of each recovery tank is improved to the greatest extent.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic view of the structure of a tine according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a current divider plate according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a third embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an inner wall of a fourth impurity gas flow channel according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
embodiment one: as shown in fig. 1 and 2, the present embodiment includes a housing 1 with a carding cavity 11, a carding roller 2 is installed in the carding cavity 11, a fiber conveying channel 12, a feeding channel 13 and a impurity discharging channel 14 which are respectively communicated with the carding cavity 11 are provided on the housing 1, a feeding mechanism 3 is installed at the feeding channel 13, the impurity discharging channel 14 is located below the housing 1, and the impurity discharging channel 14 includes an impurity inlet 141 close to the carding cavity 11 and an impurity outlet 142 far away from the carding cavity 11. The fiber conveying channel 12 is in butt joint with the rotating cup, and the feeding mechanism 3 comprises a feeding roller 31, a feeding horn 32 and a feeding plate 33. The sliver is fed from the feed horn 32, enters the carding chamber 11 through the feed plate 33 and the feed roller 31, is decomposed into single fibers and single fiber groups through the carding action of the carding roller 2, and the single fibers enter the rotating cup along with the air flow through the fiber conveying channel 12. During carding, impurities contained in the fibers will also separate during carding: at the inlet of the impurity discharging channel 14, impurities and fibers are combed for a period of time, and due to different densities (different weights), the impurities enter the impurity inlet 141 under the action of gravity and centrifugal force, so that the impurities are separated from the fibers, and the fibers continue to move along with the carding cavity 11 and enter the fiber conveying channel 12 under the action of the carding roller 2.
Also installed in the impurity discharging passage 14 is a flow dividing plate 5 for dividing the impurity discharging passage 14 into an air flow passage 41 and an impurity air flow passage 42, the flow dividing plate 5 is of a flat plate structure, one end of the flow dividing plate 5 is positioned at the impurity inlet 141 and divides the impurity inlet 141 into an air flow passage outlet 412 and an impurity air flow passage inlet 421, and the other end is positioned at the impurity outlet 142 and divides the impurity outlet 142 into an air flow passage inlet 411 and an impurity air flow passage outlet 422. The impurity discharging passage 14 is located between the feeding passage 13 and the transporting fiber passage 12, and the gas flow passage outlet 412 is located close to the feeding passage 13 with respect to the inlet of the impurity gas flow passage 421, i.e., the impurity gas flow passage inlet 421 is located relatively close to the transporting fiber passage 12. Meanwhile, a card clothing 6 is paved on the surface of the splitter plate 5, the card clothing 6 comprises sharp teeth 61 which are arranged towards the impurity outlet 142, the sharp tooth angle of the sharp teeth 61 is 15 degrees, and the back tooth angle is 150 degrees; to ensure that the tines 61 sufficiently prevent impurities from being sucked back into the carding chamber 11, the tips of the tines 61 are 6mm from the surface of the baffle 5. Here, the distance from the tips of the tines 61 to the surface of the splitter plate 5 may be chosen between 6 and 12mm, too long to facilitate the manufacture of the card clothing 6; too short, it is detrimental to the blocking of the reflux impurities. Wherein the preferred distance is 8mm. The end of the diverter 5 located at the impurity inlet 141 is located at the middle of the impurity inlet 141, and it can be seen from the figure that the cross-sectional view of the impurity discharging channel 14 shows the position of the diverter 5, the diverter 5 extends inward and outward in the paper surface direction, and the extension portion abuts against and is in sealing engagement with the inner wall of the impurity discharging channel 14, so that the impurity discharging channel 14 is separated therefrom by the diverter 5 into the corresponding air flow channel 41 and impurity air flow channel 42. Of course, if the position of the flow dividing plate 5 is shifted to the left or right (left or right of the position in the drawing), the opening areas of the gas flow passage outlet 412 and the impurity gas flow passage inlet 421 are changed, whereby the corresponding amount of the gas supply and impurity discharge opening areas are changed, and the impurity discharge effect is affected to some extent. In the most preferred embodiment, the splitter plate 5 equally separates the gas flow channel outlet 412 from the impurity gas flow channel inlet 421.
An auxiliary clothing 7 is laid on the inner surface of the impurity air flow channel 42, the auxiliary clothing 7 comprises auxiliary sharp teeth arranged towards the impurity outlet 142, and the auxiliary clothing 7 plays a role in preventing impurities in the impurity air flow channel 14 from flowing back to the carding cavity 11 due to air flow, so that impurity removal effect is improved. And the tooth tip angle and the tooth back angle of the auxiliary tooth are the same as the tooth of the card clothing 6 on the splitter plate 5.
An arc through hole (not shown) taking the rotating shaft as a circle center is formed in the shell 1, and a pulling block (not shown) which is matched with the arc through hole and extends out of the shell 1 is convexly arranged on the flow dividing plate 5. The spanner block can be shifted by hands outside the shell 1 to bring the splitter plate 5 to rotate around the rotating shaft, so that the angle of the splitter plate 5 can be adjusted according to the needs, and the operation is simple and convenient.
In order to evaluate the purity of the fiber output from the fiber conveying passage 12, a reference amount of impurity content, that is, a value of the weight of the impurity divided by the total weight, was introduced in this example. The specific operation is as follows: the effect of this embodiment on the impurity removal and carding is confirmed by feeding the fiber rods having different impurity contents through the feeding mechanism 3 and then checking the amount of the impurity contents in the fibers output from the fiber conveying passage 12.
With reference to the group, no diverter plate 5 is provided. Feeding a fiber strand having a impurity content of 5%, wherein the impurity content of the fibers output from the fiber conveying passage 12 is 0.6% in this example;
in the first group of this embodiment, a splitter plate 5 is provided and a clothing 6 is laid, and the sharp angle of the teeth is 15 ° (denoted by a in the figure) and the back angle is 150 ° (denoted by B in the figure). The fiber strand having 5% of impurities was fed, and the impurity content of the fiber fed from the fiber feeding passage 12 was 0.01% in this example.
In the second group of this embodiment, a splitter plate 5 is provided and a card clothing 6 is laid, the sharp angle of the teeth of the tines being 30 ° and the back angle being 145 °. The fiber strand having 5% of impurities was fed, and the impurity content of the fiber fed from the fiber feeding passage 12 was 0.008% in this example.
In the third group of this embodiment, a splitter plate 5 is provided and a card clothing 6 is laid, the sharp angle of the teeth of the tines is 40 ° and the back angle is 130 °. The fiber strand having 5% of impurities was fed, and the impurity content of the fiber fed from the fiber feeding passage 12 was 0.006% in this example.
In the fourth group of this embodiment, a splitter plate 5 is provided and a card clothing 6 is laid, the sharp angle of the teeth of the tines is 40 ° and the back angle is 100 °. The fiber strand having 5% of impurities was fed, and the impurity content of the fiber fed from the fiber feeding passage 12 was 0.008% in this example.
In a fourth group of this embodiment, a splitter plate 5 is provided and a clothing 6 is laid, the sharp corners of the tines being 40 ° and the back angle being 90 °. The fiber strand having 5% of impurities was fed, and the impurity content of the fiber fed from the fiber feeding passage 12 was 0.009% in this example.
Embodiment two: as shown in fig. 3 and 4, the difference from the first embodiment is that the end of the splitter plate 5 located at the impurity inlet 141 is a hinged end 51, and the hinged end 51 is hinged in the impurity discharging channel 14 through a rotating shaft; the end of the splitter plate 5 located at the impurity outlet 142 is a swinging end 52. By pulling the flow dividing plate 5, the flow dividing plate 5 is rotated about the rotation axis, thereby changing the sizes of the gas flow passage 41 and the impurity gas flow passage 42. The hinged end 51 is located in the middle of the impurity inlet 141, and equally divides the impurity inlet 141 into an air flow channel outlet 412 and an impurity air flow channel inlet 421, and it is proved that such a division ratio can bring about an optimal impurity removal effect, and can reduce the generation of a reverse flow, thereby preventing impurities from entering the carding cavity 11 due to the reverse flow. The swinging end 52 swings within a range of about 50 ° with respect to a vertical line passing through the rotation shaft as a center line. According to the material attribute of the fiber strips, the air inflow of the air flow channel 41 is changed by swinging the flow dividing plate 5, so that the fiber strips with different materials can be effectively ensured to smoothly enter the carding cavity 11, and the embodiment can adapt to various types of raw materials and has strong adaptability.
Embodiment III: as shown in fig. 5, the difference from the second embodiment is that the flow dividing plate 5 has a fan-shaped structure, the end of the fan-shaped structure near the center of the circle is a hinged end 51, and the end of the fan-shaped structure near the arc is a swinging end 52; the card clothing 6 is paved on the surface of the fan-shaped structure where the radius is; the central angle of the flow dividing plate 5 is 60 deg.. Wherein the central angle can be selected within the range of 30-60 degrees. When the tooth tip angle of the sharp teeth is 40 degrees and the tooth back angle is 130 degrees, if the central angle is 30 degrees, the impurity content of the fibers discharged by the fiber conveying channel 12 is 0.005 percent; if the central angle is 45 degrees, the impurity content of the fibers discharged by the fiber conveying channel 12 is 0.004 percent; if the central angle is 60 degrees, the impurity content of the fibers discharged from the fiber conveying channel 12 is 0.003 percent.
Embodiment four: as shown in fig. 6, the difference from the third embodiment is that the recovery groove 423 is uniformly provided on the inner surface of the impurity gas flow channel 42, the recovery groove 423 is provided obliquely downward, and the notch of the recovery groove 423 faces the outlet direction of the impurity gas flow channel 42. If the tooth tip angle of the sharp teeth is 40 degrees and the central angle is 60 degrees, the impurity content of the fibers discharged from the fiber conveying channel 12 is lower than 0.001 percent, so that the impurities can be obviously reduced, and the fiber quality can be improved.
Claims (7)
1. A arrange miscellaneous comb device for rotor spinning machine, including the casing that has a comb chamber, divide the intracavity to install and divide the comb roller, offered on the casing respectively with divide the fibre passageway that the comb chamber is linked together, feed passageway and arrange miscellaneous passageway, feed passageway department installs feed mechanism, arrange miscellaneous passageway and lie in the casing below, characterized by, arrange miscellaneous passageway including being close to the miscellaneous mouth of opening of comb chamber and keeping away from the miscellaneous mouth of opening of comb chamber, still install in the miscellaneous passageway of row:
the splitter plate is used for dividing the impurity discharging channel into an air flow channel and an impurity air flow channel, one end of the splitter plate is positioned at the impurity inlet and divides the impurity inlet into an air flow channel outlet and an impurity air flow channel inlet, and the other end of the splitter plate is positioned at the impurity outlet and divides the impurity outlet into an air flow channel inlet and an impurity air flow channel outlet;
a card clothing laid on the surface of the splitter plate, wherein the card clothing comprises sharp teeth arranged towards the impurity outlet direction;
the outlet of the air flow channel is close to the feeding channel relative to the inlet of the impurity air flow channel;
the end part of the splitter plate, which is positioned at the impurity inlet, is a hinged end which is hinged in the impurity discharging channel through a rotating shaft; the end part of the splitter plate, which is positioned at the impurity outlet, is a swinging end;
the splitter plate is of a fan-shaped structure, the end part, close to the circle center, of the fan-shaped structure is a hinged end, and the end part, close to the circular arc, of the fan-shaped structure is a swinging end; the card clothing is laid on the surface of the fan-shaped structure where the radius is; the central angle of the flow dividing plate is 30-60 degrees;
the hinged end is positioned in the middle of the impurity inlet.
2. The trash-removing carding device for rotor spinning machines according to claim 1, characterized in that: the sharp angle of the sharp teeth is 15-40 degrees, and the back angle of the sharp teeth is 90-150 degrees.
3. The trash-removing carding device for rotor spinning machines according to claim 1, characterized in that: an auxiliary clothing is laid on the inner surface of the impurity airflow channel, and the auxiliary clothing comprises auxiliary sharp teeth which are arranged towards the impurity outlet direction.
4. A trash-removing carding device for rotor spinning machines according to claim 3, characterized in that: the sharp angle of the auxiliary sharp teeth is 15-40 degrees, and the back angle is 90-150 degrees.
5. The trash-removing carding device for rotor spinning machines according to claim 1, characterized in that: the casing is provided with an arc through hole taking the rotating shaft as the center of a circle, and the flow dividing plate is convexly provided with a spanner block which is matched with the arc through hole and extends out of the casing.
6. The trash-removing carding device for rotor spinning machines according to claim 1, characterized in that: the distance from the tooth tips of the sharp teeth on the card clothing to the surface of the flow distribution plate is more than 6mm.
7. The trash-removing carding device for rotor spinning machines according to claim 1, characterized in that: the inner surface of the impurity airflow channel is provided with a plurality of recovery grooves which are obliquely downwards arranged, and the notch of each recovery groove faces to the outlet direction of the impurity airflow channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710570528.6A CN107190374B (en) | 2017-07-13 | 2017-07-13 | Impurity removing and carding device for rotor spinning machine |
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|---|---|---|---|
| CN201710570528.6A CN107190374B (en) | 2017-07-13 | 2017-07-13 | Impurity removing and carding device for rotor spinning machine |
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| CN107190374A CN107190374A (en) | 2017-09-22 |
| CN107190374B true CN107190374B (en) | 2023-10-20 |
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| CN204874927U (en) * | 2015-08-26 | 2015-12-16 | 嵊州市新科扬机械有限公司 | Rotor type open -end spinning machine divides comb cavity structures |
| CN207376152U (en) * | 2017-07-13 | 2018-05-18 | 浙江理工大学 | A kind of impurities removal opening box for rotor spinning machine |
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| DE2210508A1 (en) * | 1971-03-24 | 1972-10-05 | Vyzkumny Ustav Bavlnarsky, Usti Nad Orlici (Tschechoslowakei) | Method for eliminating Ver impurities on fibers during their cleaning in the course of the separation to be carried out before the spindleless spinning and before the device for carrying out the method |
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| US4852340A (en) * | 1987-02-13 | 1989-08-01 | Vyzkumny Ustav Bavlnarsky | Fiber separating device |
| US4976099A (en) * | 1989-03-30 | 1990-12-11 | W. Schlafhorst & Co. | Sliver feeding and opening device of an open end spinning machine |
| DE4225668A1 (en) * | 1992-08-04 | 1994-02-10 | Schlafhorst & Co W | Open-end spinning machine - has standard housing with opening roller and screens in trash-box to handle various types of fibre. |
| DE19544839A1 (en) * | 1995-12-01 | 1997-06-05 | Schlafhorst & Co W | Open-end spinning opening roller rejects even light dirt particles |
| CN1962977A (en) * | 2006-12-05 | 2007-05-16 | 东华大学 | Carding apparatus for use in rotor spinning |
| CN102808248A (en) * | 2011-05-31 | 2012-12-05 | 欧瑞康纺织有限及两合公司 | Open-end spinning device |
| CN202744697U (en) * | 2012-08-26 | 2013-02-20 | 上海淳瑞机械科技有限公司 | Carding cavity connection piece and impurity absorption mechanism of rotor spinning machine |
| CN203065683U (en) * | 2013-03-06 | 2013-07-17 | 浙江日发纺织机械股份有限公司 | Carding cavity structure of rotary cup spinning device |
| CN203462202U (en) * | 2013-07-17 | 2014-03-05 | 上海淳瑞机械科技有限公司 | Adjustable impurity suctioning device used for carding cavity of rotor spinning machine |
| CN204874927U (en) * | 2015-08-26 | 2015-12-16 | 嵊州市新科扬机械有限公司 | Rotor type open -end spinning machine divides comb cavity structures |
| CN207376152U (en) * | 2017-07-13 | 2018-05-18 | 浙江理工大学 | A kind of impurities removal opening box for rotor spinning machine |
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|---|---|
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