A production system and production process of strong regenerated cotton yarn

The cutting and scraper design of the high-strength recycled cotton yarn production system solves the problem of cotton fiber adhesion, improves cotton opening efficiency and system continuity, and meets market demand.

CN119433763BActive Publication Date: 2026-01-02ZHEJIANG LITIAN TECH CO LTD
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Patent Information

Application Number
CN202411913025.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-01-02
Estimated Expiration
2044-12-24

AI Technical Summary

Technical Problem

In existing technologies, small pieces of cotton fiber after tearing often stick to the cotton bale, affecting the efficiency of subsequent cotton opening, causing production interruptions, increasing labor costs, and failing to meet market demand.

Method used

A high-strength recycled cotton yarn production system is adopted, including a base and a cotton opening mechanism. The cutting parts slide and the scraper is adjusted by the drive component, so as to effectively open and scrape the upper part of the cotton bale. Combined with the protective curtain, the scattering is reduced and the production efficiency is improved.

Benefits of technology

It improved cotton opening efficiency, reduced manual intervention, enhanced the continuity and capacity of the production system, and met market demand.

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Abstract

The application relates to a production system and production process of strong regenerated cotton yarn, and relates to the technical field of regenerated cotton processing.The production system comprises a base and an opening cotton mechanism.The opening cotton mechanism comprises a supporting arm, a first driving element for driving the supporting arm to reciprocatingly slide, a cross plate slidably arranged on the side surface of the supporting arm, a second driving element for driving the cross plate to slide up and down, and a cutting element arranged on the side surface of the base and facing the cross plate.The cross plate is provided with a supporting plate fixed thereon.The side surface of the supporting plate away from the cross plate is provided with a first push rod and a second push rod.The first push rod is hinged to the cross plate at one end.The supporting plate is provided with a first electric cylinder fixed thereon.The two ends of the second push rod are respectively hinged to the first electric cylinder telescopic rod end and the other end of the second push rod.The first push rod and the second push rod are respectively provided with a scraper plate.The scraper plate can reciprocatingly slide with the cross plate, so that the opened part on the upper part of the cotton bale is treated and scraped to the ground, and the subsequent use of other equipment for collection is facilitated.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of regenerated cotton processing, and in particular to a production system and production process of strong regenerated cotton yarn. BACKGROUND

[0002] As an environmentally friendly material, the production process of regenerated cotton involves recycling waste cotton, industrial waste and leftover materials from textile enterprises. The processing of regenerated cotton bales is a key link in this circular economy. Cotton bales, as a collection of recycled cotton fibers, are processed through a series of fine processes - bale opening, cotton opening, cotton mixing, cleaning, carding, drawing, roving and spinning, finally converting into regenerated cotton yarn, realizing effective transformation and upgrading of resources.

[0003] In the core step of cotton opening, the traditional process relies on equipment such as the flower machine, which uses physical methods such as tearing and cutting to loosen the fibers layer by layer from the top to the bottom of the bale, aiming to break down the tightly wound large fibers into smaller or bundle-shaped fibers that are easier to process.

[0004] However, the limitations of the prior art are that although the fibers on the surface of the bale can be effectively torn apart, the small pieces of cotton fibers after tearing often stick to the upper side of the bale, which not only hinders the full loosening of the subsequent fibers, but also forces the production process to be interrupted, requiring manual intervention to manually remove these residual fibers before the cotton opening operation can continue. This situation not only significantly reduces the efficiency of the cotton opening process and increases labor costs, but in large-scale production scenarios, frequent interruptions and restarts severely restrict overall productivity, making it difficult to meet the growing demand for regenerated cotton products in the market, and there is room for improvement. SUMMARY

[0005] The purpose of the application is to provide a production system and production process of strong regenerated cotton yarn, which solves the problem that the small pieces of cotton fibers after tearing often stick to the bale, affecting the efficiency of subsequent cotton opening.

[0006] In a first aspect, the application provides a production system for strong regenerated cotton yarn, which adopts the following technical solution:

[0007] The utility model provides a kind of production system of strong regeneration cotton yarn, including base and cotton opening mechanism, the cotton opening mechanism includes support arm sliding in the side of base, first driving element that support arm is driven along the length direction of base reciprocating sliding, transverse plate sliding in the side of support arm, second driving element that transverse plate is driven up and down sliding, the side of base is equipped with cutting element towards transverse plate;The opposite vertical side of transverse plate is fixedly provided with support plate, the side of support plate away from transverse plate is equipped with first push rod and second push rod along horizontal direction, the one end of first push rod is hinged with transverse plate, first electric cylinder is fixedly provided on the support plate along horizontal direction, the two ends of second push rod are respectively hinged with the end of first electric cylinder telescopic rod and the other end of second push rod, the side of first push rod and second push rod towards base is fixedly provided with scraper.

[0008] By adopting the above technical scheme, during the opening of the upper part of the bale, the bale that has been opened is placed on the upper side of the base in advance, then the cutting element is driven to slide along the length direction of the base by the first driving element, and the cutting element is adjusted to slide up and down by the second driving element, so that the cutting element finally opens the upper part of the bale, which is convenient for subsequent processing.

[0009] When it is necessary to scrape the cotton that has been opened, the angle of the two scrapers is adjusted by adjusting the relative angle of the first push rod and the second push rod, and then the scrapers can slide with the transverse plate, so that the part of the bale that has been opened is scraped off to the ground, which is convenient for subsequent collection by using other equipment and improves the overall cotton opening efficiency of the production system.

[0010] Optionally, the scraper is fixedly provided with a connecting plate on the side away from the base, a plurality of fixed through holes are formed in the connecting plate, fixed screw holes are formed in the first push rod and the second push rod, and a fixed bolt is arranged above the base and penetrates the fixed through holes and is screwed into the fixed screw holes.

[0011] By adopting the above technical scheme, since the connecting plate and the fixed bolt are combined, the user can screw the fixed bolt into the fixed screw hole after penetrating the fixed through hole, so that the scraper can be installed and fixed, and subsequent disassembly and replacement are facilitated.

[0012] Optionally, a cross beam is arranged on the side of the support plate away from the base, the two ends of the cross beam are fixedly provided with connecting rods bent towards the support plate, the ends of the connecting rods are fixedly connected with the support plate, a second electric cylinder is fixedly arranged on the cross beam along the vertical side, the telescopic rod of the second electric cylinder is downward and hinged with an adjusting rod, the other end of the adjusting rod is hinged with the ends of the first push rod and the second push rod away from each other, and all the hinges of the first push rod, the second push rod and the adjusting rod are spherical hinges.

[0013] By adopting the technical scheme, when the installation angle of the scraper in the vertical direction needs to be adjusted, the second electric cylinder can be started, the first push rod and the second push rod are driven by the adjusting rod to rotate up and down for adjustment, and thus the automatic adjustment of the vertical installation angle of the scraper is realized.

[0014] Optionally, a plurality of length-adjustable telescopic rods are arranged between the support plate and the horizontal plate in the horizontal direction, and two ends of the telescopic rods are fixedly connected to the sides of the horizontal plate and the support plate close to each other.

[0015] By adopting the technical scheme, the user can adjust the overall length of the telescopic rod to adjust the distance between the support plate and the horizontal plate according to the actual situation, and thus the scraping effect of the scraper on the opened cotton wool is adjusted, and the corresponding use performance is enhanced.

[0016] Optionally, a first protective curtain and a second protective curtain with elastic deformation performance are arranged above the base, the first protective curtain and the second protective curtain are fixedly connected to the sides of the first push rod and the second push rod away from the scraper, and the other sides of the first protective curtain and the second protective curtain are detachably connected to the vertical side of the horizontal plate.

[0017] By adopting the technical scheme, the user can protect the gap between the support plate and the horizontal plate by the first protective curtain and the second protective curtain according to the actual situation, reduce the possibility of the opened cotton wool scattering upward from the gap, and facilitate the subsequent collection of the cotton wool.

[0018] Optionally, a hook is fixedly arranged on one side of the first protective curtain and the second protective curtain, and a hanging ring for the hook to be clamped into is fixedly arranged on the vertical side of the horizontal plate.

[0019] By adopting the technical scheme, when the hook is clamped into the corresponding hanging ring, the detachable connection of the edges of the first protective curtain and the second protective curtain to the horizontal plate is realized, and the subsequent storage of the first protective curtain and the second protective curtain is facilitated.

[0020] Optionally, a containing cavity is arranged on the side of the first push rod and the second push rod away from the scraper, and the side edge of the first protective curtain and the second protective curtain is fixedly connected to the inner wall of the corresponding containing cavity.

[0021] By adopting the technical scheme, the user can store the second protective curtain and the first protective curtain into the corresponding containing cavities according to the actual situation, and the storage of the corresponding protective curtain is facilitated.

[0022] Optionally, a containing groove is formed on the opening inner edge of the containing cavity, a cover plate is arranged on one side of the lateral plate and hinged to the inner wall of the containing groove through a hinge shaft, and the other side of the cover plate is detachably connected to the inner wall of the containing groove.

[0023] By adopting the above technical scheme, when the first protective curtain and the second protective curtain are in the storage state, the opening of the containing cavity can be blocked by the cover plate due to the installation of the cover plate, thereby reducing the possibility of the first protective curtain and the second protective curtain being taken out from the corresponding containing cavity.

[0024] Optionally, a locking through hole is formed on the side edge of the cover plate away from the hinge shaft, a locking screw hole is formed on the inner wall of the containing groove, and a locking bolt is arranged on the side of the support plate and screwed into the locking screw hole after penetrating through the locking through hole.

[0025] By adopting the above technical scheme, when it is necessary to lock the cover plate inside the containing groove, the locking bolt only needs to be screwed into the corresponding locking screw hole after penetrating through the locking through hole, so that the locking of the cover plate can be realized.

[0026] In a second aspect, the application provides a production process of strong regenerated cotton yarn, which adopts the following technical scheme:

[0027] The production process of strong regenerated cotton yarn comprises the steps of bale opening, cotton opening, cotton mixing, cleaning, carding, drawing, roving and spinning, and the cotton opening step uses the production system of strong regenerated cotton yarn.

[0028] By adopting the above technical scheme, the production efficiency of the regenerated cotton yarn is improved.

[0029] In summary, the application has at least one of the following beneficial technical effects:

[0030] During the opening of the upper part of the cotton bale, the cotton bale that has been opened is placed on the upper side of the base, then the cutting member is driven to slide along the length direction of the base by the first driving member, and the cutting member is driven to slide up and down for adjustment by the second driving member, so that the cutting member can open the upper part of the cotton bale, facilitating subsequent processing.

[0031] When it is necessary to scrape the cotton that has been opened, the angle of the two scrapers is adjusted by adjusting the relative angle of the first push rod and the second push rod, then the scrapers slide back and forth with the lateral plate, so that the opened part of the upper part of the cotton bale is scraped and falls to the ground, facilitating subsequent collection by using other equipment, and improving the overall cotton opening efficiency of the production system. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort based on these drawings.

[0033] Figure 1 is a schematic diagram of the overall structure of embodiment 1 of the present application;

[0034] Figure 2 is a schematic diagram of the local structure of embodiment 1 of the present application embodying the installation and cooperation of the cutting member;

[0035] Figure 3 is a schematic diagram of the structure of embodiment 2 of the present application embodying the installation and cooperation of the first push rod and the second push rod;

[0036] Figure 4 is a schematic diagram of the local structure of embodiment 2 of the present application embodying the installation and cooperation of the second electric cylinder and the adjusting rod;

[0037] Figure 5 is a schematic diagram of the local sectional structure of embodiment 2 of the present application embodying the installation and cooperation of the scraper;

[0038] Figure 6 is a schematic diagram of the local sectional structure of embodiment 2 of the present application embodying the installation and cooperation of the first protective curtain and the second protective curtain; Figure 5 is an enlarged schematic diagram of part A in

[0039] Figure 7 is a schematic diagram of the local sectional structure of embodiment 2 of the present application embodying the installation and cooperation of the cover plate;

[0040] Figure 8 is a schematic diagram of the sectional structure of embodiment 2 of the present application embodying the installation and cooperation of the cover plate;

[0041] Figure 9 is a schematic diagram of the local sectional structure of embodiment 2 of the present application embodying the installation and cooperation of the first protective curtain and the second protective curtain; Figure 7 is an enlarged schematic diagram of part B in

[0042] Figure 10 is a flowchart of the production process of embodiment 3 of the present application.

[0043] In the figure, 1, base; 11, fixing bolt; 12, first protective curtain; 121, hook; 13, second protective curtain; 14, cover plate; 141, locking through hole; 15, locking bolt; 2, opening mechanism; 21, support arm; 22, first driving part; 23, cross plate; 231, hanging ring; 24, second driving part; 25, cutting part; 251, first motor; 252, cutting roller; 253, cutting piece; 26, support plate; 27, cross beam; 271, connecting rod; 28, telescopic rod; 3, first push rod; 31, fixing screw hole; 32, accommodating cavity; 321, accommodating groove; 322, locking screw hole; 4, second push rod; 5, first electric cylinder; 6, scraper; 61, connecting plate; 611, fixing through hole; 7, second electric cylinder; 8, adjusting rod. DETAILED DESCRIPTION

[0044] The application will be further described in detail below with reference to all the accompanying drawings.

[0045] Embodiment 1

[0046] Reference Figure 1 and Figure 2 A production system of strong regenerated cotton yarn includes a base 1 and an opening mechanism 2, wherein the opening mechanism 2 includes a support arm 21 sliding on the side of the base 1, a first driving part 22 driving the support arm 21 to reciprocate along the length direction of the base 1, a cross plate 23 sliding on the side of the support arm 21, and a second driving part 24 driving the cross plate 23 to slide up and down, and the cross plate 23 is provided with a cutting part 25 towards the side of the base 1.

[0047] The first driving part 22 is a combination structure of a motor and a screw rod arranged in the horizontal direction, and can also be a combination structure of a linear motor and a synchronous belt, and the driving structure is not unique; the second driving part 24 is a combination structure of a motor and a screw rod arranged in the vertical direction, which will not be described here; the cutting part 25 includes a first motor 251 fixed on one side of the cross plate 23 and a cutting roller 252 located inside the lower side of the cross plate 23, and the cutting roller 252 is uniformly distributed with a plurality of cutting pieces 253 on the outer periphery, the first motor 251 drives the cutting roller 252 and the cutting pieces 253 to reciprocate, and is used for opening the upper part of the bale.

[0048] The implementation principle of the embodiment of the application is:

[0049] In the running process of the production system, the bale which has been opened is placed on the upper side of the base 1 in advance, then the cutting part 25 is driven by the first driving part 22 to slide along the length direction of the base 1, and the cutting part 25 is driven by the second driving part 24 to slide up and down to adjust, so that the cutting part 25 finally opens the upper part of the bale, which is convenient for subsequent processing.

[0050] Embodiment 2

[0051] ReferenceFigure 3 And Figure 4 The embodiment of the application is different from that of embodiment 1 in that the support plate 26 is fixed on the opposite vertical side of the horizontal plate 23, the side away from the base 1 of the support plate 26 is provided with a crossbeam 27, the two ends of the crossbeam 27 are integrally formed with a connecting rod 271 bent towards the support plate 26, and the end of the connecting rod 271 is welded and fixed with the upper side of the support plate 26.

[0052] The first push rod 3 and the second push rod 4 are arranged on the side of the support plate 26 away from the horizontal plate 23 in the horizontal direction, one end of the first push rod 3 is hinged with the horizontal plate 23, the first electric cylinder 5 is fixed on the support plate 26 in the horizontal direction, the two ends of the second push rod 4 are respectively hinged with the telescopic rod end of the first electric cylinder 5 and the other end of the second push rod 4, and the first push rod 3 and the second push rod 4 are respectively fixed with the scraper 6 on the side towards the base 1.

[0053] The second electric cylinder 7 is fixed on the crossbeam 27 in the vertical direction, the telescopic rod of the second electric cylinder 7 is downward and hinged with the adjusting rod 8, and the mutually close ends of the first push rod 3 and the second push rod 4 are hinged with the other end of the adjusting rod 8. All the hinges of the first push rod 3, the second push rod 4 and the adjusting rod 8 are spherical hinges.

[0054] During the opening process of the opening mechanism 2, the installation angle and the installation height of the scraper 6 are adjusted in advance, then the user can use the scraper 6 to process the part of the upper part of the bale that has been opened, and scrape it to the ground, and then other equipment can be used for collection, so as to avoid the situation that the opened part continues to adhere to the upper part of the bale.

[0055] Referring to Figure 5 And Figure 6 The connecting plate 61 is integrally formed on the side of the scraper 6 away from the base 1, a plurality of fixed through holes 611 are arranged on the connecting plate 61, and a fixed screw hole 31 is arranged on the first push rod 3 and the second push rod 4. The fixed bolt 11 penetrating through the fixed through hole 611 is screwed into the fixed screw hole 31, so as to realize the detachable installation of the scraper 6.

[0056] Referring to Figure 4 And Figure 5 Two length-adjustable telescopic rods 28 are arranged between the support plate 26 and the horizontal plate 23 in the horizontal direction, the two ends of the telescopic rod 28 are respectively fixedly connected with the mutually close sides of the horizontal plate 23 and the support plate 26, and the specific length adjustment structure is not described here. In this way, the distance between the horizontal plate 23 and the support plate 26 can be adjusted.

[0057] Referring to Figure 7, the base 1 is provided with a first protective curtain 12 and a second protective curtain 13 with elastic deformation performance, the first protective curtain 12 and the second protective curtain 13 are fixedly connected with the side of the first push rod 3 and the second push rod 4 away from the scraper 6 respectively, and the other side of the first protective curtain 12 and the second protective curtain 13 is detachably connected with the vertical side of the horizontal plate 23;

[0058] The user can protect the gap between the support plate 26 and the horizontal plate 23 through the first protective curtain 12 and the second protective curtain 13 according to the actual situation, reduce the possibility of the opened cotton falling from the gap, and facilitate the subsequent collection of the cotton; and since the first protective curtain 12 and the second protective curtain 13 have good elastic deformation performance, the scraper 6 can be applied in any angle.

[0059] Referring to Figure 7 and Figure 8 , the side of the first push rod 3 and the second push rod 4 away from the scraper 6 is provided with a containing cavity 32, and the first protective curtain 12 and the second protective curtain 13 are fixedly connected with the inner wall of the corresponding containing cavity 32; the opening inner edge of the containing cavity 32 is provided with a containing groove 321, and the horizontal plate 23 is provided with a cover plate 14 on one side of which a hinge shaft is hinged with the inner wall of the containing groove 321, and the other side of the cover plate 14 can be inserted into the containing groove 321;

[0060] The side edge of the cover plate 14 away from the hinge shaft is provided with a locking through hole 141, and the inner wall of the containing groove 321 is provided with a locking screw hole 322, and the side of the support plate 26 is provided with a locking bolt 15 which is screwed into the locking screw hole 322 after penetrating through the locking through hole 141, and the locking bolt 15 is a butterfly bolt; the first protective curtain 12 and the second protective curtain 13 can be conveniently stored in the corresponding containing cavity 32.

[0061] Referring to Figure 7 and Figure 9 , one side of the first protective curtain 12 and the second protective curtain 13 is fixedly provided with a hook 121, and the vertical side of the horizontal plate 23 is fixedly provided with a hanging ring 231 for the hook 121 to be clamped into, so as to realize the detachable connection of the first protective curtain 12 and the second protective curtain 13 with the vertical side of the horizontal plate 23, and facilitate the subsequent storage of the first protective curtain 12 and the second protective curtain 13.

[0062] The implementation principle of the embodiment of the application is:

[0063] In the opening process of the upper part of the cotton bale, the scraper 6 is turned upward to avoid interference of the scraper 6 with the upper part of the cotton bale during the process, and ensure the smooth progress of the opening;

[0064] When the cotton that has been opened needs to be scraped, the scraper 6 is adjusted by turning it down, and then the user can use the scraper 6 to process the upper part of the cotton bale that has been opened, and scrape it to the ground, which can be collected by other equipment later.

[0065] Embodiment 3:

[0066] With reference to Figure 10 A production process of strong regenerated cotton yarn, comprising the steps of bale opening, cotton opening, cotton mixing, cleaning, carding, drawing, roving and spinning, wherein the cotton opening step uses the production system of strong regenerated cotton yarn in Embodiment 1 and Embodiment 2.

[0067] Unless otherwise defined, the terms or scientific terms used in the present application shall have the usual meaning understood by a person with ordinary skill in the art to which the present application belongs. The terms "first", "second", "third" and the like used in the present application do not represent any order, number or importance, but are only used to distinguish different components. The terms "one" or "a" and the like do not represent a quantity limitation, but represent the existence of at least one. The terms "including", "containing" and the like mean that the elements or objects appearing before "including" or "containing" cover the elements or objects listed after "including" or "containing" and their equivalents, and do not exclude other elements or objects. The terms "upper", "lower", "left", "right" and the like only represent relative positional relationships, and when the absolute positions of the described objects are changed, the relative positional relationships may also be changed accordingly.

[0068] The embodiments of the present specific embodiment are the preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, wherein the same parts are denoted by the same reference numerals. Therefore, any equivalent changes made according to the structure, shape and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A production system for high-strength recycled cotton yarn, comprising a base (1) and a cotton opening mechanism (2), wherein the cotton opening mechanism (2) comprises a support arm (21) slidably disposed on the side of the base (1), a first driving member (22) driving the support arm (21) to slide back and forth along the length direction of the base (1), a horizontal plate (23) slidably disposed on the side of the support arm (21), and a second driving member (24) driving the horizontal plate (23) to slide up and down, wherein the side of the horizontal plate (23) facing the base (1) is provided with a cutting member (25); Its features are, Support plates (26) are fixed on the vertical sides opposite to the horizontal plate (23). A first push rod (3) and a second push rod (4) are provided on the side of the support plate (26) away from the horizontal plate (23) in the horizontal direction. One end of the first push rod (3) is hinged to the horizontal plate (23). A first electric cylinder (5) is fixed on the support plate (26) in the horizontal direction. The two ends of the second push rod (4) are respectively hinged to the end of the telescopic rod of the first electric cylinder (5) and the other end of the second push rod (4). Scrapers (6) are fixed on the side of the first push rod (3) and the second push rod (4) facing the base (1). A crossbeam (27) is provided on the side of the support plate (26) away from the base (1). The two ends of the crossbeam (27) are fixedly provided with connecting rods (271) that bend toward the support plate (26). The ends of the connecting rods (271) are fixedly connected to the support plate (26). A second electric cylinder (7) is fixedly provided on the vertical side of the crossbeam (27). The telescopic rod of the second electric cylinder (7) faces downward and is hinged with an adjusting rod (8). The ends of the first push rod (3) and the second push rod (4) that are close to each other are hinged to the other end of the adjusting rod (8). All the hinges of the first push rod (3), the second push rod (4) and the adjusting rod (8) are ball joints. Several telescopic rods (28) of adjustable length are provided between the support plate (26) and the cross plate (23) in the horizontal direction. The two ends of the telescopic rods (28) are fixedly connected to the sides of the cross plate (23) and the support plate (26) that are close to each other. The base (1) is provided with a first protective curtain (12) and a second protective curtain (13) with elastic deformation properties. The first protective curtain (12) and the second protective curtain (13) are respectively fixedly connected to the side of the first push rod (3) and the second push rod (4) away from the scraper (6). The other side of the first protective curtain (12) and the second protective curtain (13) is detachably connected to the vertical side of the horizontal plate (23). The first push rod (3) and the second push rod (4) are each provided with a receiving cavity (32) on the side away from the scraper (6). One side edge of the first protective curtain (12) and the second protective curtain (13) is respectively fixedly connected to the inner wall of the corresponding receiving cavity (32).

2. The production system for high-strength recycled cotton yarn according to claim 1, characterized in that, A connecting plate (61) is fixed on the side of the scraper (6) away from the base (1). The connecting plate (61) has several fixed through holes (611). The first push rod (3) and the second push rod (4) have fixed screw holes (31). A fixing bolt (11) is provided above the base (1) and screws through the fixed through holes (611) into the fixed screw holes (31).

3. The production system for high-strength recycled cotton yarn according to claim 1, characterized in that, Hooks (121) are fixed on one side of the first protective curtain (12) and the second protective curtain (13), and a hanging ring (231) for the hooks (121) to be inserted is fixed on the vertical side of the horizontal plate (23).

4. The production system for high-strength recycled cotton yarn according to claim 1, characterized in that, The cavity (32) has an inner edge of a sinking groove (321) and the side of the horizontal plate (23) has a cover plate (14) that is hinged to the inner wall of the sinking groove (321) on one side by a hinge shaft. The other side of the cover plate (14) is detachably connected to the inner wall of the sinking groove (321).

5. The production system for high-strength recycled cotton yarn according to claim 4, characterized in that, The cover plate (14) has a locking through hole (141) on the side edge away from the hinge axis, and the inner wall of the receiving groove (321) has a locking screw hole (322). The side of the support plate (26) has a locking bolt (15) that passes through the locking through hole (141) and is screwed into the locking screw hole (322).

6. A production process for high-strength recycled cotton yarn, characterized in that, The process includes steps such as unpacking, opening, blending, washing, carding, drawing, roving, and spinning, wherein the opening step uses the production system for high-strength recycled cotton yarn as described in any one of claims 1-5.

Citation Information

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