CN109023602B - Main carding area sealing high-yield carding machine suitable for non-woven water distribution thorn production line - Google Patents
Main carding area sealing high-yield carding machine suitable for non-woven water distribution thorn production line Download PDFInfo
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- CN109023602B CN109023602B CN201811310052.3A CN201811310052A CN109023602B CN 109023602 B CN109023602 B CN 109023602B CN 201811310052 A CN201811310052 A CN 201811310052A CN 109023602 B CN109023602 B CN 109023602B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/04—Carding machines with worker and stripper or like rollers operating in association with a main cylinder
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/26—Arrangements or disposition of carding elements
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/02—Carding machines
- D01G15/12—Details
- D01G15/34—Grids; Dirt knives; Angle blades
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
- D01G15/76—Stripping or cleaning carding surfaces; Maintaining cleanliness of carding area
- D01G15/82—Arrangements for confining or removing dust, fly or the like
- D01G15/825—Arrangements for confining or removing dust, fly or the like by suction or blowing
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Abstract
A sealed high-yield carding machine for the main carding area of non-woven water distribution needling production line is mainly used for treating raw cotton or absorbent cotton fibers, and comprises a feeding mechanism consisting of a cotton feeding plate and a cotton feeding roller, a S-shaped feeding path consisting of a licker-in and a transfer roller, a main cylinder for main carding, seven main cylinder carding rollers, six arc plates uniformly distributed between the seven carding rollers and covering the surface of the main cylinder, an upper net outlet doffer, a lower net outlet doffer, an upper condensing roller, a lower condensing roller, an upper cotton stripping roller, a lower cotton stripping roller and an air suction and blowing system. The invention combines the carding characteristics of the main cylinder, the fixed cover plate, the main cylinder, the working roller and the stripping roller by adopting the working principle of the main carding, the carding roller and the sealing arc plate, combines the three groups of suction ports of the cotton and the main cylinder Lin Yuanzhou below the licker-in to treat raw cotton linters and impurities, so that the width of the carding machine for treating raw cotton and absorbent cotton can break through the upper limit of the width of the cover plate type carding machine, the maximum width can reach 3.75m, and the high-speed and high-yield can be realized.
Description
Technical Field
The invention relates to a high-speed and high-yield carding device with the width of 3.75m, which is used for processing raw cotton and absorbent cotton in a non-woven fabric machine and is sealed in a main carding area.
Background
The raw cotton fiber has the length of 25-36 mm, the fineness of 1 dtex-2 dtex, good hygroscopicity, high wet strength and positive significance for processing the non-woven fabric, but the raw cotton fiber also contains more impurities (such as seed shells, cotton stalks, cotton leaves and the like) and dust particles. The cotton is cotton with fat removed by chemical treatment, and is prepared by removing impurities from raw cotton, degreasing, bleaching, washing, drying and finishing. Compared with raw cotton, the absorbent cotton has the advantages of reduced impurity, enhanced water absorption, increased linters, astringent fibers and large decrease in cohesion and elasticity.
According to the fiber characteristics of raw cotton and absorbent cotton, in a hydroentangled production line, the raw cotton and absorbent cotton can be processed in a follow-up mode only through very good pretreatment, so that basically cotton fiber production cannot directly enter a carding machine for carding and web forming, and impurities and short staple are removed by the carding machine and then are web formed by the carding machine. The prior water-jet thread net for processing raw cotton and absorbent cotton has the following production modes:
1. the fibers are recovered after being carded by a carding machine in advance, and are formed into a net by a movable cover plate type carding machine (shown in figure 4) after being reformed by the carding machine again, and the carding machine adopts a carding mode of a main cylinder and a movable cover plate and has excellent impurity removal and carding effects. The method has the advantages that impurity treatment is clean, fiber carding is complete, excessive carding can be caused by carding through two movable cover plates, cotton knots are more, the longitudinal and transverse strength ratio is large (approximately 9:1), the width of a discharged web is narrow (the width of the discharged web is at most 1.5 m), the yield is low (the yield of a single machine is about 50 kg/h), and the requirement of a user is hardly met. In actual production, users generally increase a cross lapping machine to widely lapping after the net is discharged to improve the two defects, but the defects of small yield and redundant production line still exist.
2. The fibers are recovered after being carded by a carding machine in advance and then are carded into a net by a fixed cover plate type carding machine (shown in figure 5), and the carding machine adopts a carding mode of a main cylinder and a fixed cover plate, and has certain impurity removing effect and good carding effect. The advantages are better impurity treatment and more sufficient fiber carding. The disadvantage is that the width is up to 1.8m, the speed is less than 80m/min, the yield is improved relative to the former carding machine (the single yield is about 150 kg/h), but the manufacturing cost of the product is still very high, and the user requirement can not be met far.
3. The fibers are recovered after being carded by a carding machine in advance and then are carded into a net by a single cylinder roller type carding machine (as shown in figure 6), the width of the carding machine can reach 2.65m, the speed of the carding machine is about 100m/min, and the yield is further improved (the single yield is about 300 kg/h). The carding machine adopts a traditional carding mode of a main cylinder, a working roller and a stripping roller, and has no impurity removing capability. The greatest advantage is that the yield is greatly improved compared with the two carding machines. The same disadvantages are also evident: before entering a single cylinder carding machine, raw cotton fibers or absorbent cotton fibers are recycled after being carded by a carding machine, but impurities and short velvet in the fibers are partially remained, the air suction system of the roller carding machine can only solve the problem that a part of impurities and short velvet can freely escape along with flying, and the other impurities and short velvet can not well influence the quality of a net surface and the production environment. In addition, when the speed and the yield are increased again, the flying is serious, the carding force of the carding machine is insufficient, and the quality of the net surface is reduced.
Disclosure of Invention
The invention aims to provide a main carding area sealing high-yield carding machine suitable for a non-woven water-jet production line, aiming at the defects in the prior art.
The invention comprises a feeding mechanism, a licker-in and transfer roller, a S-shaped feeding path, a single cylinder, double doffers and double agglomeration net discharging, seven groups of ultra-low speed carding rollers capable of rotating positively and negatively are arranged above the main cylinder, the impurity removing capability of the cotton feeding and the main cylinder is increased, the net discharging speed is 150m/min, the width can reach 3.75m, and the yield can reach 600kg/h.
The object of the invention can be achieved by the following measures:
the invention relates to a main carding area sealing high-yield carding machine suitable for a non-woven water distribution needling production line, which comprises a feeding mechanism, a carding roller, a transfer roller, a main cylinder, an upper net doffer, a lower net doffer, seven main cylinder carding rollers, six arc plates, a cleaning and short velvet suction opening, wherein the feeding mechanism consists of a cotton feeding roller and a cotton feeding plate which are sequentially arranged from front to back; an upper net outlet curtain and a lower net outlet curtain which are used for conveying the fiber net to subsequent equipment are respectively arranged at the rear parts of the upper net outlet doffer and the lower net outlet doffer, and a first condensing roller, a second condensing roller and a cotton stripping roller are respectively arranged above the upper net outlet curtain and the lower net outlet curtain from front to back in sequence; the front and rear parts above the seven carding rollers are respectively provided with an air suction pipeline for treating fly waste, and the two air suction pipelines form an air suction system together; a cotton suction and doffing mechanism is arranged above the feeding mechanism and the licker-in; front and rear arc plates which are arranged above the licker-in and used for controlling air flow and guiding fibers, and front and rear bottom leakage which are arranged below the licker-in and used for controlling air flow and preventing doffing; the end face of the main cylinder is provided with an air blowing device for processing wallboard flowers; an arc plate which is arranged between the transfer roller and the main cylinder and is used for controlling air flow and guiding fibers, and a transfer roller bottom which is arranged below the transfer roller and is used for controlling air flow and guiding fibers; arc plates which are respectively arranged between the seventh carding roller and the upper doffer and between the upper doffer and the lower doffer and are used for controlling air flow and guiding fibers; the main cylinder bottom is arranged below the main cylinder and used for controlling air flow and preventing doffing; each roller surface is coated with a metal card clothing for carding raw cotton and absorbent cotton fibers.
The invention discloses a feeding path which is formed by a cotton feeding roller, a licker-in roller and a transfer roller which are sequentially arranged from front to back; although the feeding mechanism is a lower cotton feeding mode consisting of a cotton feeding roller and a lower cotton feeding plate, the feeding mechanism is a S-shaped feeding pathThe feeding direction of the fibers is the same as the movement direction of the licker-in, so that the damage to the fibers when cotton is fed in the general process is greatly reduced; the licker-in, the transfer roller and the clothing on the main cylinder are arranged in opposite directions, and V Main cylinder ＞V Transfer roller ＞V Licker-in (V represents the roll linear velocity), a large amount of transfer fibers can be realized at high speed.
The suction cotton dropping mechanism comprises a suction port pipeline and a dust removing knife I, wherein the suction port pipeline is connected with the discharge pipeline through two end surfaces, and two sides of the suction port pipeline suck air; the distance between the dust removing knife I and the licker-in is adjustable (according to the cotton feeding amount), and the adjustment mode is that the dust removing knife is moved to a proper position by loosening bolts so as to achieve a proper distance with the licker-in; this structure removes a large portion of the impurities and flock initially present in the raw cotton or absorbent cotton layer of the carding machine, ready for subsequent carding.
The seven carding rollers bidirectionally rotate through a reversing mechanism in a mode of not more than 0.6m/min and lower than the rotating speed of the main cylinder, and the rotating angle of each direction is adjustable; when the carding roller rotates clockwise, the main cylinder plays a role of carding fibers, and when the carding roller rotates anticlockwise, the main cylinder can walk away the superfluous fiber belt hooked on the carding roller and enter the next carding wheel to prevent winding. The main cylinder is matched with seven carding rollers in sequence, namely, the fiber is subjected to carding, stretching, carding again, stretching …, and is decomposed into a complete single fiber state. The carding mode integrates the advantages of cover plate carding and roller carding: the roller is manufactured, the cover plate is used for carding, and the processing difficulty is avoided while the roller and the cover plate are taken as advantages.
The distance between the carding roller and the arc plate is 0.6-0.8 mm. Specifically, the arc plate covers the whole carding area of the main cylinder, the fibers are firmly controlled to be in main tin Lin Yuanzhou, and the distance between the carding roller and the arc plate is 0.6-0.8 mm, so that the fibers cannot escape from the carding area, and even if the speed and the yield are further improved, the fibers cannot fly.
Three arc plates with impurity and short velvet removing suction ports are arranged at the rear parts of the first carding roller, the third carding roller and the sixth carding roller, and two ends of the suction ports of the arc plates with the impurity and short velvet removing suction ports are connected with a pipeline, and double-sided air suction is realized; the dust removing cutters II are respectively arranged at the positions of the suction ports close to the main cylinder, and the gauge of the dust removing cutters II is adjustable. By adopting the structure, the cotton and absorbent cotton fibers are combed into single fibers on the main cylinder, and meanwhile, impurities and short piles in the fibers can be removed in a layer-by-layer progressive manner, so that the net surface quality during net discharging is ensured.
The working principle of the invention is as follows:
raw cotton or absorbent cotton fibers are opened and cleaned, impurities and short staple are removed (the fibers are recovered after being carded by a carding machine), and the raw cotton or absorbent cotton fibers are opened by a cotton box to be uniform and stable sheet cotton and fed into the cotton carding machine. The feeding mechanism composed of the cotton feeding roller and the lower cotton feeding plate is different from the traditional feeding mechanism, and the licker-in is fed in a reverse cotton feeding mode, so that the damage of original cotton fibers or absorbent cotton fibers which are combed originally is minimized. The licker-in and the transfer roller form a S-shaped feeding path, the licker-in, the transfer roller and the card clothing on the main cylinder are arranged in opposite directions, and V Main cylinder ＞V Transfer roller ＞V Licker-in The fiber can be transferred to the main cylinder in high speed and large quantity. In the main carding area, the main carding type of the equipment is formed by 7 ultralow-speed carding rollers, namely a main cylinder. When the main cylinder is operated at a high speed of 1500m/min, the carding roll is rotated bi-directionally at a low speed of not more than 0.6m/min, and the angle of rotation in each direction is adjustable. When the carding roller rotates clockwise, the main cylinder plays a role of carding fibers, and when the carding roller rotates anticlockwise, the main cylinder can take away the superfluous fibers hooked on the carding roller and enter the next carding wheel, so that the winding is prevented. The fibers are split by the main tin Lin Yici and the carding roller, and the fibers are split, stretched, split again and stretched … to be thoroughly split into single fibers. Six arc plates cover the whole carding area of the main cylinder, the fibers are firmly controlled to be in main tin Lin Yuanzhou, and the distance between the carding roller and the arc plates is 0.6-0.8 mm, so that the fibers cannot escape from the carding area, and even if the speed and the yield are further improved, the load of the fibers in the main carding area is increased, and the fibers cannot fly. Three of the six arc plates are suction type arc plates respectively positioned at the firstAnd after the third carding roller and the sixth carding roller, further processing impurities and short velvet in raw cotton and absorbent cotton fibers. Through the main carding area, the fiber which is carded into a single fiber state is peeled by an upper doffer and a lower doffer, and then is subjected to the negative draft speed ratio (V) of an upper double condensing roller and a lower double condensing roller Upper condensing roller ＞V Lower condensing roller ) And (3) adjusting the longitudinal and transverse strength ratio of the fiber web to 5:1-6:1, and forming a web on an upper web curtain and a lower web curtain after the web is peeled by a final peeling roller for processing by a subsequent machine.
The beneficial effects of the invention are as follows:
compared with the prior art, the invention has obvious beneficial effects through the following breakthrough designs:
1. the traditional feeding mode of 'cotton feeding roller, lower cotton feeding plate and licker-in' of the carding machine is changed into a 'S' -shaped feeding path which is formed by 'cotton feeding roller, lower cotton feeding plate, licker-in and transfer roller' which are sequentially arranged from front to back. The method has two advantages, namely, the S-shaped feeding path enables the feeding direction of the fiber to be the same as the movement direction of the licker-in, so that the damage to the fiber when cotton is fed in the general process is greatly reduced; secondly, the clothing on the main cylinder of the licker-in and the transfer roller are arranged in opposite directions, and V Main cylinder ＞V Transfer roller ＞V Licker-in (V represents the roll linear velocity) a high-speed and large amount of transfer fibers can be realized.
2. Because of the characteristics of raw cotton and absorbent cotton fibers, when the conventional roller carding machine (with the maximum width of about 4m and high yield) is used for carding the two fibers, the carding force is far less than that of a carding machine using a movable cover plate for carding. But is limited by the limitation of processing conditions, the maximum width of the movable cover plate can only be processed to 1500mm at present. That is, when the two kinds of fibers are processed by a general carding machine, the carding force is good, the net forming quality is good, and the width and the yield are sacrificed; the carding force and the net surface quality are sacrificed when the yield is high. In the invention, seven carding rollers are adopted in the main carding area to carry out carding with the main cylinder in a way of not exceeding 0.6m/min and being far lower than the speed of the main cylinder, and the process is very similar to the carding of the movable cover plate. The main cylinder is matched with seven carding rollers in sequence, namely fibers are subjected to carding, stretching, carding again and stretching …, so that the fibers are decomposed into a thorough single fiber state, and the carding force is greatly increased; the carding part adopts a roller instead of a cover plate, so that the bottleneck of processing the cover plate is avoided, and the width is greatly increased. The carding mode integrates the advantages of cover plate carding and roller carding: the net surface quality is guaranteed and the yield is improved by combing in a roller mode and a cover plate mode.
3. The length of raw cotton or absorbent cotton fibers is generally about 25mm, so that when the two types of fibers are combed by a traditional roller type carding machine, more and more short fibers cannot be controlled by a combing mode of a main cylinder-working roller-stripping roller along with the increase of the yield. The flying of the main carding area can be greatly increased, and a great burden is caused to an air suction system for treating the flying. Too much fly not only causes the waste of raw materials to when the system of induced drafting is not handled, have a part fly again to fall into main carding area, repeatedly open comb, friction, knot, cause out net face white spot to increase, influence cloth face quality. In the invention, the whole main carding area adopts an arc plate sealing mode from a transfer roller to seven carding rollers to doffer around the main cylinder. That is to say, the arc plate covers the whole carding area of the main cylinder, and the fibers are firmly controlled to be in the main cylinder Lin Yuanzhou. The distance between the carding roller and the arc plate is 0.6-0.8 mm, so that fibers cannot escape from the carding area, and even if the speed and the yield are further improved, no fly is generated.
4. The traditional roller type carding machine has no function of removing impurities and short velvet, so that the roller type carding machine has great defects in processing raw cotton or absorbent cotton fibers, and can generate the problems of increased white spots of a net, substandard cloth cover quality, poor production environment and the like. In the invention, the place for removing impurities and flock at the first place is arranged above the licker-in, and a cotton suction and dropping mechanism is added at the place, and the cotton suction and dropping mechanism comprises a suction port pipeline and a dust removal knife, wherein the suction port pipeline is connected with a discharge pipeline from two end surfaces, and two sides of the suction port pipeline suction air; the distance between the dust removing knife and the licker-in (depending on the cotton feeding amount) can be adjusted. The raw cotton or absorbent cotton is fed to the licker-in via the feed roller, and the impurities and flock separated are the largest in the whole carding process. The added cotton suction mechanism at the licker-in has the advantage of removing impurities and short piles at the position where the impurities and short piles are most generated, thereby reducing the burden for subsequent carding.
5. In the invention, the second place is in the main carding area for removing impurities and short velvet. Among six arc plates covered on the whole main carding area, three arc plates are designed into arc plates with suction port structures, and are respectively arranged at the rear parts of a first carding roller, a third carding roller and a sixth carding roller, and two ends of suction ports of the arc plates are connected with a pipeline to suck air from two sides; dust-removing cutters are respectively arranged at the positions of the suction openings close to the main cylinder, and the distance between the dust-removing cutters is adjustable. By adopting the structure, the cotton and absorbent cotton fibers are combed into single fibers on the main cylinder, and meanwhile, impurities and short velvet in the fibers can be further removed, so that the net surface quality during net discharging is ensured.
In conclusion, the invention can obviously improve the yield, reduce impurities and short velvet and ensure excellent net surface quality when the carding machine processes raw cotton and absorbent cotton fibers. In the field of the hydro-entangled production of raw cotton and absorbent cotton, the quality and the yield of the final product are greatly improved.
Drawings
Fig. 1 is a schematic diagram of the present invention.
FIG. 2 is an enlarged schematic view of the S-shaped feeding path in the present invention.
FIG. 3 is a schematic enlarged view of a main cylinder, carding roller, arc plate and suction port arc plate of the main carding area in the invention.
Serial numbers in fig. 1-3: 1. the cotton feeding roller, 2, the licker-in and the suction port above the cotton feeding roller, 3, the licker-in and the dust removing knife I above the cotton feeding roller, 4, the suction pipeline above the feeding mechanism, 5, the front arc plate, 6, the rear arc plate, 7, the arc plate between the transfer roller and the main cylinder, 8, the carding roller, 9, the arc plate, 10, the main cylinder end face blowing device, 11, the suction port-shaped arc plate, 12, the arc plate between the seventh carding roller and the upper outlet net doffer, 13, the doffer outlet net upper suction pipeline, 14, metal needle cloth, 15, the upper and lower second condensing rollers, 16, the upper outlet net curtain, 17, the lower outlet net curtain, 18, the upper and lower cotton stripping roller, 19, the upper and lower first condensing rollers, 20, the upper doffer (upper outlet net doffer), 21, lower doffer (lower outlet net doffer), 22, the arc plate between the upper and lower outlet net doffer, 23, main cylinder, 24, the main cylinder bottom, 25, the transfer roller bottom, 26, 27, the front bottom, 29, the bottom, 32, the dust removing knife II, the dust removing bolts, 32 and the bottom.
Fig. 4 is a schematic diagram of a modified movable flat type carding machine of the prior art.
Serial number in fig. 4: 33. the cotton feeding roller (34), the first licker-in, 35, the second licker-in, 36, the third licker-in, 37, the main cylinder, 38 doffers, 39, one coagulation, 40, two coagulation, 41, the cotton stripping roller (42) and the movable cover plate.
FIG. 5 is a schematic view of a prior art fixed cover card.
Number in fig. 5: 43. the cotton feeding roller, 44, lower cotton feeding plate, 45, licker-in, 46, main cylinder, 47, fixed cover plate, 48 suction opening, 49, upper doffer, lower doffer, 50, upper next agglomeration, 51, upper next agglomeration, lower agglomeration, 52 and stripping roller.
Fig. 6 is a schematic diagram of a prior art single cylinder roller card.
Number in fig. 6: 53. the cotton feeding roller, 54, lower cotton feeding plate, 55, licker-in, 56, main cylinder, 57, working roller, 58 stripping roller, 59, upper doffer, lower doffer, 60, upper and lower agglomeration, 61, upper and lower agglomeration, 62, stripping roller.
Fig. 7 is a schematic diagram of a conventional lower feeding mechanism of the prior art.
Number in fig. 7: 63. the cotton feeding roller, 64, lower cotton feeding plate, 65, licker-in, 66, main cylinder.
Detailed Description
The invention is further described below in connection with an example (fig. 1):
as shown in fig. 1, the main carding area sealing high-yield carding machine suitable for a nonwoven water distribution needling production line comprises a feeding mechanism, a licker-in 29, a transfer roller 26, a main cylinder 23, upper and lower doffers 20 and 21, seven main cylinder carding rollers 8, six arc plates 9, wherein the feeding mechanism consists of a cotton feeding roller 1 and a cotton feeding plate 30, the licker-in 29 is sequentially arranged from front to back, the transfer roller 26 is used for primarily carding, the main cylinder 23 is used for primarily carding, the upper and lower doffers 20 and 21 are positioned between the transfer roller 26 and the upper doffer 20, the seven main cylinder carding rollers 8 are arranged in a cambered surface mode around the main cylinder 23, and six arc plates 9 are covered on the surface of the main cylinder and are uniformly distributed among the seven carding rollers, and the three arc plates are provided with impurity removal and short staple removal suction ports 11; the rear parts of the upper and lower net discharging doffers 20, 21 are respectively provided with an upper and lower net discharging curtains 16, 17 for conveying the fiber net to subsequent equipment, and a first condensing roller 19, a second condensing roller 15 and a cotton stripping roller 18 are respectively arranged above the upper and lower net discharging curtains 16, 17 from front to back in sequence; the front and the rear parts above the seven carding rollers are respectively provided with an air suction pipeline for treating fly waste, and the two air suction pipelines 4 and 13 form an air suction system together; a cotton suction and doffing mechanism is arranged above the feeding mechanism and the licker-in; front and rear arc plates 5, 6 arranged above the licker-in for controlling air flow and guiding fibers, and front and rear bottom leakage 27, 28 arranged below the licker-in for controlling air flow and preventing doffing; an air blowing device 10 for processing wallboard flowers is arranged on the end face of the main cylinder; an arc plate 7 which is arranged between the transfer roller 26 and the main cylinder 23 and is used for controlling air flow and guiding fibers, and a transfer roller drain bottom 25 which is arranged below the transfer roller and is used for controlling air flow and guiding fibers; arc plates 12, 22 which are respectively arranged between the seventh carding roller and the upper doffer 20 and between the upper doffer 20 and the lower doffer 21 and are used for controlling air flow and guiding fibers; a main cylinder bottom 24 arranged below the main cylinder for controlling air flow and preventing doffing; each roll surface is covered with a metallic clothing 14 for carding raw cotton and absorbent cotton fibers.
As shown in fig. 2, the cotton feeding roller 1, the licker-in 29 and the transfer roller 26 are sequentially arranged from front to back to form a S-shaped feeding path; although the feeding mechanism is a lower cotton feeding mode consisting of the cotton feeding roller 1 and the lower cotton feeding plate 30, the S-shaped feeding path enables the feeding direction of the fibers to be the same as the movement direction of the licker-in, so that the damage to the fibers during general cotton feeding is greatly reduced; the licker-in 29, the transfer roller 26 and the clothing on the main cylinder 23 are arranged in opposite directions, and V Main cylinder ＞V Transfer roller ＞V Licker-in (V represents the roller linear velocity), so it can be realizedHigh-speed mass transfer of fibers is now performed.
The suction cotton dropping mechanism comprises a suction port pipeline 2 and a dust removing knife I3, wherein the suction port pipeline 2 is connected with a discharge pipeline from two end surfaces, and two sides of the suction port pipeline are induced to suck air; the distance between the dust removing knife I3 and the licker-in 29 (depending on the cotton feeding amount) is adjustable in such a way that the dust removing knife I3 is moved to a proper position by loosening the bolts 32 to achieve a proper distance with the licker-in 29. This structure removes a large portion of the impurities and flock initially present in the raw cotton or absorbent cotton layer of the carding machine, ready for subsequent carding.
The seven carding rollers 8 bidirectionally rotate through a reversing mechanism in a mode of not more than 0.6m/min and lower than the rotating speed of the main cylinder 23, and the rotating angle of each direction is adjustable; when the carding roller 8 rotates clockwise, the main cylinder 23 plays a role of carding fibers, and when the carding roller 8 rotates anticlockwise, the main cylinder can walk away the superfluous fiber belt hooked on the carding roller 8 and enter the next carding wheel to prevent winding. The fibers are split into complete single fiber states by the combination of the main cylinder 23 and seven carding rollers in sequence, namely, the fibers are subjected to carding, stretching, carding again, stretching …. The carding mode integrates the advantages of cover plate carding and roller carding: the roller is manufactured, the cover plate is used for carding, and the processing difficulty is avoided while the roller and the cover plate are taken as advantages.
The distance between the carding roller 8 and the arc plate 9 is 0.6-0.8 mm. Specifically, the arc plate 9 covers the whole carding area of the main cylinder, the fibers are firmly controlled at the main cylinder Lin Yuanzhou, and the space between the carding roller 8 and the arc plate 9 is 0.6-0.8 mm, so that the fibers cannot escape from the carding area, and even if the speed and the yield are further improved, the fibers cannot fly.
As shown in fig. 3, three arc plates with impurity-removing and short-staple removing suction ports 11 are arranged at the rear parts of the first carding roller, the third carding roller and the sixth carding roller, and two ends of the suction ports with the arc plates with impurity-removing and short-staple removing suction ports 11 are connected with a pipeline, and double-side air suction is performed; the dust removing blades II 31 are respectively arranged at the positions of the suction ports close to the main cylinder, and the gauge of the dust removing blades II can be adjusted. By adopting the structure, the cotton and absorbent cotton fibers are combed into single fibers on the main cylinder 23, and meanwhile, impurities and short piles in the fibers can be removed layer by layer in a progressive manner, so that the net surface quality during net discharging is ensured.
Raw cotton or absorbent cotton fibers are opened and cleaned by a carding machine, impurities and short piles are removed (the fibers are recovered after being carded by the carding machine), and the raw cotton or absorbent cotton fibers are opened by a cotton box to be uniform and stable sheet cotton, and then the sheet cotton is fed into the cotton carding machine. The feeding mechanism of the cotton feeding roller 1 and the lower cotton feeding plate 30 is different from the conventional lower feeding mechanism (such as the feeding mechanism in fig. 7) and is used for feeding the licker-in 29 in a reverse cotton feeding manner. The licker-in 29 and the transfer roller 26 form a S-shaped feeding path, the licker-in 29, the transfer roller 26 and the card clothing on the main cylinder 23 are arranged in opposite directions, and V Main cylinder ＞V Transfer roller ＞V Licker-in The fibers can be transferred to the main cylinder 23 in large quantities at high speed. In the main carding area, a main carding type of the device is formed by a main cylinder 23 and seven ultra-low speed carding rollers 8. When the main cylinder 23 is operated at a high speed of 1500m/min, the carding roll 8 is rotated bi-directionally at a low speed of not more than 0.6m/min, and the rotation angle of each direction is adjustable. When the carding roller 8 rotates clockwise, the main cylinder 23 plays a role of carding fibers, and when the carding roller 8 rotates anticlockwise, the main cylinder 23 can take away the superfluous fibers hooked on the carding roller 8 and enter the next carding wheel to prevent winding. The fibers are split with the carding roller 8 in sequence through the main cylinder 23, and the fibers are split, stretched, split again, stretched and stretched … to be thoroughly split into single fiber states. And 6 arc plates 9 and 11 cover the whole carding area of the main cylinder 23, so that the fibers are firmly controlled on the circumference of the main cylinder 23. As shown in fig. 3, the distance between the carding roll 8 and the arc plates 9 and 11 is 0.6 mm-0.8 mm, so that fibers cannot escape from the carding area, and even if the speed and the yield are further improved, the load of the fibers in the main carding area is increased, and no fly is generated. Three of the six arc plates are suction type arc plates 11 which are respectively positioned behind the first, third and sixth carding rollers, so that impurities and short velvet in raw cotton and absorbent cotton fibers are further removed. Through the main carding area, the fiber which is carded into a single fiber state is peeled by an upper doffer 20 and a lower doffer 21, and then is subjected to negative drafting speed ratio (V) by an upper double condensing roller 19 and a lower double condensing roller 15 Upper condensing roller ＞V Lower condensing roller ) And (3) adjusting the longitudinal and transverse strength ratio of the fiber web to 5:1-6:1, stripping the web by a final stripping roller 18, and then forming webs on the upper and lower net curtains 16 and 17 for processing by a subsequent machine.
In the working process of the whole equipment, the main carding area is closed, so that the area can not generate fly. The feeding mechanism and the doffer net stripping part can generate a small amount of fly, and the fly is removed by an air suction system consisting of two air suction pipelines 4 and 13.
Claims (4)
1. Main carding area seals high yield carding machine suitable for nonwoven water distribution thorn production line, its characterized in that: the device comprises a feeding mechanism, a licker-in (29), a transfer roller (26), a main cylinder (23), upper and lower net-out doffers (20, 21), seven main cylinder carding rollers (8) and six arc plates (9), wherein the feeding mechanism consists of a cotton feeding roller (1) and a cotton feeding plate (30) which are sequentially arranged from front to back, the licker-in (29) is used for primarily carding, the transfer roller (26) is used for transferring fibers to a main carding area, the main cylinder (23) is used for main carding, the upper and lower net-out doffers (20, 21) are positioned between the transfer roller (26) and the upper net-out doffers (20), the seven main cylinder carding rollers (8) are arranged in a way of encircling an upper cambered surface of the main cylinder (23), and the six arc plates (9) are covered on the surface of the main cylinder and are uniformly distributed among the seven carding rollers, and impurity removal and short velvet suction ports (11) are processed on the three arc plates; an upper net outlet curtain (16) and a lower net outlet curtain (17) which are used for conveying the fiber net to subsequent equipment are respectively arranged at the rear parts of the upper net outlet doffer (20) and the lower net outlet doffer (21), and a first condensing roller (19), a second condensing roller (15) and a cotton stripping roller (18) are respectively arranged above the upper net outlet curtain (16) and the lower net outlet curtain (17) from front to back in sequence; the front and the rear parts above the seven carding rollers are respectively provided with an air suction pipeline for treating fly waste, and the two air suction pipelines (4, 13) form an air suction system together; a cotton suction and doffing mechanism is arranged above the feeding mechanism and the licker-in; front and rear arc plates (5, 6) which are arranged above the licker-in and are used for controlling air flow and guiding fibers, and front and rear bottom leakage (27, 28) which are arranged below the licker-in and are used for controlling air flow and preventing doffing; an air blowing device (10) for processing wallboard flowers is arranged on the end face of the main cylinder; an arc plate (7) which is arranged between the transfer roller (26) and the main cylinder (23) and is used for controlling air flow and guiding fibers, and a transfer roller leakage bottom (25) which is arranged below the transfer roller and is used for controlling air flow and guiding fibers; arc plates (12, 22) which are respectively arranged between the seventh carding roller and the upper doffer (20) and between the upper doffer (20) and the lower doffer (21) and are used for controlling air flow and guiding fibers; a main cylinder bottom (24) which is arranged below the main cylinder and is used for controlling air flow and preventing doffing; each roller surface is coated with a metal card clothing (14) for carding raw cotton and absorbent cotton fibers; the seven carding rollers (8) bidirectionally rotate through a reversing mechanism in a mode of not more than 0.6m/min and lower than the rotating speed of the main cylinder (23), and the rotating angle of each direction is adjustable; when the carding roller (8) rotates clockwise, the main cylinder (23) plays a role of carding fibers, and when the carding roller (8) rotates anticlockwise, the main cylinder can remove the superfluous fiber belt hooked on the carding roller (8) and enter the next carding wheel to prevent winding; three arc plates (9) are provided with impurity and short velvet removing suction ports (11) and are arranged at the rear parts of the first carding roller, the third carding roller and the sixth carding roller, and two ends of the suction ports of the arc plates provided with the impurity and short velvet removing suction ports (11) are connected with a pipeline, and double-side air suction is performed; a dust removing knife II (31) is respectively arranged at the position of the suction port close to the main cylinder, and the gauge of the dust removing knife II is adjustable.
2. The main carding zone seal high-yield carding machine suitable for a nonwoven water distribution needling production line of claim 1, characterized in that: a horizontal feeding path consisting of a cotton feeding roller (1), a licker-in roller (29) and a transfer roller (26) which are sequentially arranged from front to back; the licker-in (29), the transfer roller (26) and the card clothing on the main cylinder (23) are arranged in opposite directions, and V Main cylinder ＞V Transfer roller ＞V Licker-in Therefore, a large amount of transfer fibers at high speed can be realized.
3. The main carding zone seal high-yield carding machine suitable for a nonwoven water distribution needling production line of claim 1, characterized in that: the suction cotton dropping mechanism comprises a suction port pipeline (2) and a dust removing knife I (3), wherein the suction port pipeline (2) is connected with a discharge pipeline from two end surfaces, and two sides of the suction port pipeline are used for sucking air; the distance between the dust removing knife I (3) and the licker-in (29) is adjustable, and the adjustment mode is to enable the dust removing knife I (3) to move to a proper position by loosening the bolts (32) so as to achieve proper distance with the licker-in (29).
4. The main carding zone seal high-yield carding machine suitable for a nonwoven water distribution needling production line of claim 1, characterized in that: the distance between the carding roller (8) and the arc plate (9) is 0.6-0.8 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811310052.3A CN109023602B (en) | 2018-11-06 | 2018-11-06 | Main carding area sealing high-yield carding machine suitable for non-woven water distribution thorn production line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811310052.3A CN109023602B (en) | 2018-11-06 | 2018-11-06 | Main carding area sealing high-yield carding machine suitable for non-woven water distribution thorn production line |
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| CN109023602B true CN109023602B (en) | 2023-05-09 |
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| CN115287788A (en) * | 2022-06-27 | 2022-11-04 | 南京玻璃纤维研究设计院有限公司 | Carding machine for glass fiber composite filter material |
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| CN207828466U (en) * | 2018-01-02 | 2018-09-07 | 常州市老丁机械有限公司 | Glass carding machine |
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| US4097965A (en) * | 1976-08-17 | 1978-07-04 | Scott Paper Company | Apparatus and method for forming fibrous structures comprising predominantly short fibers |
| CN101260576A (en) * | 2007-09-29 | 2008-09-10 | 吕天文 | Cotton carding machine |
| CN103361771A (en) * | 2012-04-10 | 2013-10-23 | 黄金山 | Modular carding machine using two-way speed change rolls |
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