CN119710993A - Combing and drawing machine and process for ramie, flax and wool fibers - Google Patents
Combing and drawing machine and process for ramie, flax and wool fibers Download PDFInfo
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- CN119710993A CN119710993A CN202411900705.9A CN202411900705A CN119710993A CN 119710993 A CN119710993 A CN 119710993A CN 202411900705 A CN202411900705 A CN 202411900705A CN 119710993 A CN119710993 A CN 119710993A
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Abstract
本发明涉及一种用于苎麻、亚麻短麻和毛纤维的精梳并条联合机及工艺，包括若干毛型精梳机、导条台、若干导向辊以及并条机；若干毛型精梳机并排设置，毛型精梳机的出条罗拉对的表面均具有若干沟槽；导条台设置在若干毛型精梳机的前方；若干导向辊与若干毛型精梳机相对应，转动安装在金属导条辊之间；并条机设置在导条台的一侧，并条机包括后罗拉对、中罗拉、压力辊和前罗拉对，后罗拉对包括后罗拉和后皮辊，两者之间形成后钳口，前罗拉对包括前罗拉和前皮辊，两者之间形成前钳口；本发明将多台毛型精梳机输出的精梳条直接通过并条机并合、牵伸后，形成输出条输出，可以减少后续的并条道数，有效缩短工艺流程，同时还能够保证输出条的质量。
The invention relates to a combing and drawing machine and process for ramie, flax and wool fibers, comprising a plurality of wool-type combing machines, a guide bar table, a plurality of guide rollers and a drawing frame; the plurality of wool-type combing machines are arranged side by side, and the surfaces of the strip output roller pairs of the wool-type combing machines are all provided with a plurality of grooves; the guide bar table is arranged in front of the plurality of wool-type combing machines; the plurality of guide rollers correspond to the plurality of wool-type combing machines and are rotatably installed between the metal guide bar rollers; the drawing frame is arranged on one side of the guide bar table, and the drawing frame comprises a rear roller pair, a middle roller, a pressure roller and a front roller pair, the rear roller pair comprises a rear roller and a rear leather roller, a rear jaw is formed between the two, and the front roller pair comprises a front roller and a front leather roller, a front jaw is formed between the two; the invention directly combines and stretches the combed strips output by a plurality of wool-type combing machines through the drawing frame to form output strips for output, which can reduce the number of subsequent drawing passes, effectively shorten the process flow, and at the same time ensure the quality of the output strips.
Description
Technical Field
The invention belongs to the technical field of textile machinery, and particularly relates to a combing and drawing combination machine and a combing and drawing technology for ramie, flax and short ramie and wool fibers.
Background
Nowadays, spinning automation and continuity are widely paid attention to, and in cotton spinning, blowing-carding, fine-winding and coarse-fine winding technologies play a positive role in reducing labor and improving equipment production efficiency and product quality, and comb parallel technologies are also paid attention to in recent years. The comber of cotton spinning is a combination mechanism of 8 combers (comber units) and a drawing device, that is, there are 8 comber units on the comber of cotton spinning, and the comber output by each unit is combined on the sliver guiding table and then output after being drawn by the drawing device. Therefore, in cotton spinning systems, only 1 drawing is required after cotton combing to enter the roving process.
The average fiber length of the ramie, the flax and the wool fiber is about 70-120mm, the combing and drawing are required to be processed by a wool type combing machine and a drawing (needle comb) machine, and each wool type combing machine is only provided with one combing unit and only can output one combing strip, so that 4-5 drawing processes are usually adopted for combined drafting after combing, the process flow is long, and the production efficiency is low. At present, a combing and drawing combined machine for ramie, flax and wool fibers is not available, if combing strips output by a plurality of wool combing machines are directly combined and drafted, combing and drawing combined technology for ramie, flax and wool fibers is realized, the technological process can be effectively shortened, the production efficiency is improved, and the labor cost is reduced.
The ramie, the flax and the wool fiber are thick and rigid, the cohesion force among the fibers is poor, particularly after combing, the fibers are straightened, so that the cohesion force is further reduced, and if a plurality of combers are directly combined with a drawing frame, one comber is easy to break and the connector has to be stopped in the conveying process, so that the production efficiency of the whole machine is reduced. In addition, the drawing frame for ramie, flax and wool is usually a gill box, and the gill box mechanism of the gill box is complex and huge and has large vibration, and if the drawing frame is directly combined with the gill box, the large vibration of a machine table is easily caused, so that the quality of combed sliver is influenced, and the quality of output sliver is further influenced. In addition, the faller is easy to cause the damage to the fiber when penetrating the fiber layer, leads to fiber entanglement, further influences output strip quality.
Disclosure of Invention
The invention mainly aims to provide a combing and drawing combination machine and a combing and drawing technology for ramie, flax and short flax and wool fibers, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a combed drawing combination machine for ramie, flax and wool comprises
A plurality of wool combers are arranged side by side, and the surfaces of the sliver outlet roller pairs of the wool combers are provided with a plurality of grooves;
The sliver guide table is arranged in front of the wool combers and consists of a plurality of rotating metal sliver guide rollers;
a plurality of guide rollers which correspond to the plurality of wool combers, are arranged between the metal guide rollers and can rotate;
The drawing frame is arranged on one side of the sliver guiding table and comprises a rear roller pair, a middle roller, a pressure roller and a front roller pair which are sequentially arranged along a drafting path, wherein the rear roller pair comprises a rear roller and a rear leather roller, a rear jaw is formed between the rear roller pair and the rear leather roller, the front roller pair comprises a front roller and a front leather roller, a front jaw is formed between the front roller pair and the front leather roller, the middle roller and the pressure roller rotate a sliver by means of rotation, and the sliver forms a curved drafting path.
Preferably, the further away from the guide roller of the drawing frame, the further away it is from the corresponding wool comber.
Preferably, the guide roller is a rotatable double-bearing roller.
A combed drawing process for ramie, flax and wool fibers, which adopts the combed drawing combination machine of any one of the above steps, comprising the following steps:
S1, outputting combed slivers by a plurality of wool combers through sliver-outlet roller pairs;
s2, combining a plurality of combed slivers on the sliver guiding table after passing through corresponding guide rollers respectively, and feeding the combed slivers into the drawing frame;
And S3, in the drawing frame, the combed sliver is held by a rear jaw, is subjected to curve drafting by a middle roller and a pressure roller, and is held by a front jaw to form an output sliver for output.
Preferably, the diameters of the strip-out rollers are 50mm, the groove angles of the grooves are 45 degrees, the depths of the grooves are 3-5mm, the pitches are different in ruler width, and the tooth top width is 2mm.
Preferably, the interval of the metal strip guiding rollers is 50-100mm, and the draft multiple between the metal strip guiding rollers and the rear rollers is 0.98-1.03.
Preferably, the total draft multiple of the drawing frame is 4-16 times, the draft multiple of the middle roller and the rear roller is 1-1.6 times, the draft multiple of the front roller and the middle roller is 4-10 times, the center distance between the rear roller and the front roller is 250-320 mm, the center distance between the rear roller and the middle roller is 100-150 mm, the center distance between the middle roller and the pressure roller is 50-100 mm, the upper surface of the middle roller is 10mm higher than the upper surface of the rear roller, and the lower surface of the pressure roller is leveled with the upper surface of the front roller.
Preferably, the sliver ration fed into the wool type combing machine is 6-15g/m, 18-26 sliver feeds are adopted, the effective output length of the wool type combing machine is 25-32mm, the feeding length is 5-12mm, and the sliver ration output is 6-15g/m.
The invention provides a combing and drawing combination machine and a combing and drawing technology for ramie, flax and wool fibers, which have the following beneficial effects:
1. Firstly, the surfaces of the sliver outlet rollers are respectively provided with a plurality of grooves, the combed sliver can be crushed through the grooves to form curls, cohesion of fibers in the combed sliver is increased, so that broken ends of the combed sliver are reduced, secondly, the guide rollers can flexibly rotate and rotate along with conveying of the combed sliver, broken ends caused by friction between the combed sliver and the guide rollers can be effectively reduced, and finally, the metal sliver outlet rollers are used as sliver guiding tables for actively conveying the combed sliver, and compared with a conveying belt, the broken ends and the deteriorated dry combed sliver caused by friction static electricity can be effectively avoided.
2. The drawing frame disclosed by the invention is capable of carrying out curve drafting through the middle roller and the pressure roller, is simple in structure, can form an additional friction force boundary, effectively controls floating fibers, is beneficial to improving evenness of the yarn, can not damage the fibers, can stably rotate, effectively eliminates vibration of a machine table, and ensures quality of output yarns.
3. The invention directly combines and drafts combed slivers output by a plurality of wool combers through a drawing frame to form output slivers, thereby reducing the subsequent drawing channel number, effectively shortening the process flow, improving the production efficiency, reducing the labor cost and simultaneously ensuring the quality of the output slivers.
Drawings
FIG. 1 is a plan view of a combed draw combiner of the present invention;
FIG. 2 is a schematic diagram of a drawing frame according to the present invention;
Fig. 3 is a schematic structural view of a single take-off roller according to the present invention.
In the figure, 1, a wool type combing machine, 11, a sliver-discharging roller pair, 12, a groove, 2, a sliver guide table, 21, a metal sliver guide roller, 3, a guide roller, 4, a drawing frame, 41, a rear roller, 42, a rear leather roller, 43, a front roller, 44, a front leather roller, 45, a middle roller, 46, a pressure roller, 5, a combed sliver and 6, and an output sliver.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "coupled," and "connected" are used in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intermediate medium, or may be in communication with the interior of two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to FIGS. 1-3, a combed drawing machine for ramie, flax and wool includes
A plurality of wool combers 1 are arranged side by side, and the surfaces of the strip-out roller pairs 11 of the wool combers 1 are provided with a plurality of grooves 12;
The sliver table 2 is arranged below the wool combers 1 and consists of a plurality of rotating metal sliver rollers 21;
A plurality of guide rollers 3, corresponding to the plurality of wool combers 1, installed between the metal guide rollers 21 and rotatable;
The drawing frame 4 is arranged at one side of the sliver guiding table 2, the drawing frame 4 comprises a rear roller pair, a middle roller 45, a pressure roller 46 and a front roller pair which are sequentially arranged along a drawing path, the rear roller pair comprises a rear roller 41 and a rear leather roller 42, a rear jaw is formed between the rear roller pair and the rear leather roller, the front roller pair comprises a front roller 43 and a front leather roller 44, a front jaw is formed between the front roller pair and the front leather roller, the middle roller and the pressure roller rotate sliver by means of rotation, and the sliver forms a curved drawing path, so that the control of fiber movement in drawing is enhanced, and the evenness after drawing is improved.
In a specific embodiment, the further away from the guide roller 3 of the drawing frame 4, the further it is from the corresponding wool comber 1, ensuring that the transport paths of several combers 5 do not interfere with each other, so that they can merge on the sliver table 2.
In a specific embodiment, the guide roller 3 is a rotatable double-bearing roller.
The invention also provides a combing and drawing process for ramie, flax and wool fibers, which adopts the combing and drawing combination machine and comprises the following steps:
s1, outputting combed slivers 5 by a plurality of wool combers 1 through sliver-outlet roller pairs 11;
S2, combining a plurality of combed slivers 5 on the sliver guiding table 2 after passing through corresponding guide rollers 3 respectively, and feeding the combed slivers into the drawing frame 4;
S3, in the drawing frame 4, the combed sliver 5 is held by a rear jaw, is subjected to curve drafting by a middle roller 45 and a pressure roller 46, and is held by a front jaw to form an output sliver 6 for output.
In a specific embodiment, the diameter of the stripping roller is 50mm, the groove angle of the groove 12 is 45 degrees, the depth is 3-5mm, the pitch is unequal in width, and the tooth top width is 2mm.
In a specific embodiment, the metal godet roller 21 is spaced from 50 to 100mm less than the average length of the fibers to prevent breakage due to falling of the fiber sliver, and the draft ratio between the metal godet roller 21 and the back roller 41 is 0.98 to 1.03 to avoid accidental draft.
In a specific embodiment, the total draft multiple of the drawing frame 4 is 4-16 times, the draft multiple of the middle roller 45 and the rear roller 41 is 1-1.6 times, the draft multiple of the front roller 43 and the middle roller 45 is 4-10 times, the center distance between the rear roller 41 and the front roller 43 is 250-320 mm, the center distance between the rear roller 41 and the middle roller 45 is 100-150 mm, the center distance between the middle roller 45 and the pressure roller 46 is 50-100 mm, the upper surface of the middle roller 45 is 10mm higher than the upper surface of the rear roller 41, and the lower surface of the pressure roller 46 is leveled with the upper surface of the front roller 43.
In a specific embodiment, the sliver feed to the wool-type combing machine 1 is 6-15g/m in weight, 18-26 sliver feeds are used, the effective output length of the wool-type combing machine 1 is 25-32mm, the feed length is 5-12mm, and the output sliver 5 is 6-15g/m in weight.
On the one hand, ramie, flax and wool are thick and rigid, the cohesion force among the fibers is poor, especially after combing, the fibers are straightened, so that the cohesion force is further reduced, and a combed sliver 5 output by a wool type comber 1 is extremely easy to break, in order to solve the problem of easy breakage of the combed sliver 5, the invention adopts the following design that firstly, the surfaces of a sliver-out roller pair 11 are provided with a plurality of grooves 12, and the combed sliver 5 can be crushed through the grooves 12 to form curls, so that the cohesion force of the fibers in the combed sliver 5 is increased, and the breakage of the combed sliver 5 is reduced; the guide roller 3 can flexibly rotate, rotates along with the conveying of the combed sliver 5, and can effectively reduce breakage caused by friction between the combed sliver 5 and the guide roller 3, and finally, the invention uses a plurality of rotating metal sliver guide rollers 21 as sliver tables 2 for actively conveying the combed sliver 5, so that compared with a conveying belt, the invention can effectively avoid the dry deterioration and breakage of the combed sliver 5 caused by friction static electricity.
On the other hand, the drawing frame 4 for ramie, flax and wool is usually a gill box, and the gill box mechanism of the gill box is complex and huge, and the vibration is also big, if the drawing frame is directly combined with the gill box, the vibration of a machine table is easily caused to be big, the quality of combed sliver 5 is influenced, and the quality of output sliver 6 is further influenced, in addition, a needle plate is easy to damage fibers when penetrating into a fiber layer, so that the fibers are entangled, and the quality of the output sliver 6 is further influenced, and in order to solve the quality problem of the output sliver 6, the drawing frame 4 of the invention performs curve drafting through the middle roller 45 and the pressure roller 46, has a simple structure, can form an additional friction force boundary, effectively controls floating fibers, is beneficial to improving evenness of sliver, can not damage the fibers, can smoothly rotate, effectively eliminates the vibration of the machine table, and ensures the quality of the output sliver 6.
The combing and drawing combined machine for the ramie, the flax and the wool fibers provided by the invention has the advantages that combed strips 5 output by a plurality of wool type combing machines 1 are directly combined and drawn by a drawing frame 4 to form output strips 6 for output, the number of subsequent drawing channels can be reduced, the process flow is effectively shortened, the production efficiency is improved, the labor cost is reduced, and the quality of the output strips 6 can be ensured.
Example 1
A combing and drawing combination machine for ramie, flax and wool is characterized in that 8 wool combers 1 are connected with 1 drawing frame 4 to form the combing and drawing combination machine, and ramie strips are spun. The average length of the ramie fibers is 100mm. The sliver ration fed into the wool type combing machine is 8g/m, and 22 sliver feeding is adopted. The effective output length of the wool type combing machine is 30mm, the feeding length is 8mm, and the ration of combed sliver 5 output by each wool type combing machine is 10g/m. The angle of the groove of the strip-out roller is 45 degrees, the depth of the groove 12 is 4mm, the pitch is unequal in width, the width of the tooth top is 2mm, and the diameter of the roller is 50mm. The distance between adjacent metal godet rolls 21 was 80mm, and the draft ratio between the metal godet rolls 21 and the rear roller 41 of the drawing frame 4 was 1.02. The drawing parameters of the drawing frame 4 were 8.0 times of total draft, 1.2 times of draft of the middle roller 45 and the rear roller 41, 6.7 times of draft of the front roller 43 and the middle roller 45, 275mm of center distance between the rear roller 41 and the front roller 43, 120mm of center distance between the rear roller 41 and the middle roller 45, and 80mm of center distance between the middle roller 45 and the pressure roller 46. The upper surface of the middle roller 45 is 10mm higher than the upper surface of the rear roller 41, and the lower surface of the pressure roller 46 is leveled with the upper surface of the front roller 43. The final output ramie stripe ration of combed drawing combination machine is 10g/m, and the stripe unevenness is 3.15%.
Comparative example 1
The ramie combed sliver 5 is spun on a conventional wool comber and then drawn together (needle comb). The average length of the ramie fibers is 100mm. The sliver quantity fed into the combing machine is 8g/m, and 22 sliver feeds are adopted. The effective output length of the wool comber was 30mm, the feed length was 8mm, and the basis weight of the comber bars 5 output by each wool comber was 10g/m. 8 combed slivers 5 are randomly combined and fed into a gilling machine for drafting, the output ramie sliver is quantified to be 10g/m after drawing, the sliver evenness is 3.78%, and compared with the embodiment 1, the sliver evenness of the output sliver is poor, so that the combed drawing combination machine can achieve the output sliver with better quality while reducing one drawing process.
Example 2
A combing and drawing combination machine for ramie, flax and short ramie is characterized in that 4 wool combers 1 are connected with 1 drawing frame 4 to form a combing and drawing combination machine, and flax and short ramie strips are spun. The average length of the flax staple is 80mm. The sliver ration fed into the wool type combing machine is 15g/m, and 18 sliver feeding is adopted. The effective output length of the wool type combing machine is 25mm, the feeding length is 5mm, and the ration of combed sliver 5 output by each wool type combing machine is 15g/m. The angle of the groove of the strip-out roller is 45 degrees, the depth of the groove 12 is 5mm, the pitch is unequal in width, the width of the tooth top is 2mm, and the diameter of the roller is 50mm. The distance between adjacent metal godet rolls 21 was 50mm, and the draft multiple between the metal godet rolls 21 and the rear roller 41 of the drawing frame 4 was 0.98. The drawing parameters of the drawing frame 4 were respectively 4.0 times of total draft, 1.0 times of draft of the middle roller 45 and the rear roller 41, 4.0 times of draft of the front roller 43 and the middle roller 45, 250mm of center distance between the rear roller 41 and the front roller 43, 100mm of center distance between the rear roller 41 and the middle roller 45, and 50mm of center distance between the middle roller 45 and the pressure roller 46. The upper surface of the middle roller 45 is 10mm higher than the upper surface of the rear roller 41, and the lower surface of the pressure roller 46 is leveled with the upper surface of the front roller 43. And finally, the combined combing and drawing machine outputs the short flax slivers with the ration of 15g/m, the evenness of the flax slivers is 3.1%, and the quality of the output slivers is high.
Example 3
A combed drawing combination machine for ramie, flax and short ramie is characterized in that 12 wool combers 1 are connected with 1 drawing frame 4 to form a combed drawing combination machine, and ramie strips are spun. The average length of the ramie fibers is 120mm. The sliver ration fed into the wool type combing machine is 6g/m, and 26 sliver feeding is adopted. The effective output length of the wool comber is 32mm, the feed length is 12mm, and the ration of comber sliver 5 output by each wool comber is 6g/m. The angle of the groove of the strip-out roller is 45 degrees, the depth of the groove 12 is 3mm, the pitch is unequal in width, the width of the tooth top is 2mm, and the diameter of the roller is 50mm. The distance between adjacent metal godet rolls 21 was 100mm, and the draft multiple between the metal godet rolls 21 and the rear roller 41 of the drawing frame 4 was 1.03. The drawing parameters of the drawing frame 4 were 12.0 times of total draft, 1.3 times of draft of the middle roller 45 and the rear roller 41, 7.5 times of draft of the front roller 43 and the middle roller 45, 320mm of center distance between the rear roller 41 and the front roller 43, 150mm of center distance between the rear roller 41 and the middle roller 45, and 100mm of center distance between the middle roller 45 and the pressure roller 46. The upper surface of the middle roller 45 is 10mm higher than the upper surface of the rear roller 41, and the lower surface of the pressure roller 46 is leveled with the upper surface of the front roller 43. The combing and drawing combined machine outputs the ramie stripes with the ration of 6g/m, the stripe unevenness rate of 3.53 percent and the quality of the output stripes is high.
The foregoing embodiments are merely for illustrating the technical solution of the present invention, but not for limiting the same, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that modifications may be made to the technical solution described in the foregoing embodiments or equivalents may be substituted for parts of the technical features thereof, and that such modifications or substitutions do not depart from the spirit and scope of the technical solution of the embodiments of the present invention in essence.
Claims (8)
1. The combing and drawing combination machine for the ramie, the flax and the wool is characterized by comprising a plurality of wool type combing machines which are arranged side by side, wherein the surfaces of the sliver outlet roller pairs of the wool type combing machines are provided with a plurality of grooves;
The sliver guide table is arranged in front of the wool combers and consists of a plurality of rotating metal sliver guide rollers;
The drawing frame is arranged on one side of the sliver guiding table, the drawing frame comprises a rear roller pair, a middle roller, a pressure roller and a front roller pair which are sequentially arranged along a drafting path, the rear roller pair comprises a rear roller and a rear leather roller, a rear jaw is formed between the rear roller pair and the rear leather roller, the front roller pair comprises a front roller and a front leather roller, a front jaw is formed between the front roller pair and the front leather roller, the middle roller and the pressure roller rotate a sliver by means of rotation, and the sliver forms a curve drafting path.
2. A comber drawing machine for ramie, flax and wool, as claimed in claim 1, characterized in that the further from the guide roller of the drawing frame, the further from the corresponding wool comber is the guide roller.
3. A combed drawing machine for ramie, flax and wool, according to claim 1, characterized in that the guide roller is a rotatable double-bearing roller.
4. A combed drawing process for ramie, flax and wool, using a combed drawing combination as defined in any one of claims 1 to 3, characterized in that it comprises the steps of:
S1, outputting combed slivers by a plurality of wool combers through sliver-outlet roller pairs;
s2, combining a plurality of combed slivers on the sliver guiding table after passing through corresponding guide rollers respectively, and feeding the combed slivers into the drawing frame;
And S3, in the drawing frame, the combed sliver is held by a rear jaw, is subjected to curve drafting by a middle roller and a pressure roller, and is held by a front jaw to form an output sliver for output.
5. A combed drawing process for ramie, flax and wool is characterized in that the diameter of the drawing roller is 50mm, the groove angle of the groove is 45 degrees, the depth is 3-5mm, the pitch is unequal in length and width, and the tooth top width is 2mm.
6. A combed drawing process for ramie, flax and wool according to claim 4, characterized in that the metal godet rolls are spaced apart by 50-100mm and the draft ratio between the metal godet rolls and the rear roller is 0.98-1.03.
7. A combed drawing process for ramie, flax and wool is characterized in that the total draft of a drawing frame is 4-16 times, the draft of a middle roller and a rear roller is 1-1.6 times, the draft of a front roller and a middle roller is 4-10 times, the center distance between the rear roller and the front roller is 250-320 mm, the center distance between the rear roller and the middle roller is 100-150 mm, the center distance between the middle roller and a pressure roller is 50-100 mm, the upper surface of the middle roller is 10mm higher than the upper surface of the rear roller, and the lower surface of the pressure roller is leveled with the upper surface of the front roller.
8. A comber drawing process for ramie, flax and wool, according to claim 4, characterized in that the sliver feed to the wool comber is of a ration of 6-15g/m, 18-26 sliver feeds are used, the effective output length of the wool comber is 25-32mm, the feed length is 5-12mm, and the sliver output is of a ration of 6-15g/m.
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| CN202411900705.9A CN119710993B (en) | 2024-12-23 | 2024-12-23 | A combing and drawing machine and process for ramie, flax, and wool fibers |
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2024
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| CN119710993B (en) | 2025-12-05 |
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