CN112481811A

CN112481811A - Preparation method of non-glue cotton

Info

Publication number: CN112481811A
Application number: CN202011317827.7A
Authority: CN
Inventors: 汤先玖
Original assignee: Shucheng Huawale Children's Products Co ltd
Current assignee: Shucheng Huawale Children's Products Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-03-12
Anticipated expiration: 2040-11-23
Also published as: CN112481811B

Abstract

The invention discloses a preparation method of non-collodion cotton, relating to the technical field of non-collodion cotton preparation; in order to improve the product quality; the method specifically comprises the following steps: selecting raw materials, and taking 4080 low-melting-point polyester fibers, polyester fibers and magnetic fibers in proportion for later use; placing the raw materials in a mixing device for mixing, wherein the mixing time is controlled to be 5-10 min; placing the mixed raw materials into an opener for opening; putting the opened material into a double-channel doffer carding machine for carding; lapping the carded material by using a lapping machine; hot-pressing and shaping the lapped materials through a hot press, and controlling the temperature to be 115-140 ℃; and (5) cooling the shaped material, and cutting the material to a specified shape by using a cutting machine. The non-glue cotton prepared by the invention is suitable for the filling material of the clothes and the quilt, not only has good elasticity, softness and heat preservation performance, but also has excellent magnetic therapy health care effect, and the materials are uniformly mixed, the impurities and the crushed aggregates are few, the cleanliness is high, and the product quality is reliable.

Description

Preparation method of non-glue cotton

Technical Field

The invention relates to the technical field of non-collodion cotton preparation, in particular to a preparation method of non-collodion cotton.

Background

The non-glue cotton is used as a substitute product of the spray glue cotton, is superior to the spray glue cotton in material, does not need glue spraying or peculiar smell, has no stimulation to human bodies, and has the characteristics of good elasticity, good hand feeling, softness, smoothness, good heat retention, environmental protection and the like; therefore, the non-collodion cotton is mostly used as a filling material of clothes and quilts, and although the prepared non-collodion cotton can meet certain requirements in the existing non-collodion cotton preparation process, the mixing degree of all materials is poor, the functionality is weak, and the effect of maintaining human bodies cannot be achieved.

Through search, the patent with Chinese patent application number CN201310067634.4 discloses a preparation method of energy-saving and environment-friendly non-glue cotton, which comprises the following steps: batching, opening, carding, baking in an oven and forming; baking in the oven: and (3) delivering the laminated cotton into an oven for baking, wherein the oven is heated by an electric heating wire at the baking temperature of 160 ℃ and 180 ℃ for 10-25 seconds, and the electric heating wire is covered by a high-temperature resistant glass tube. The preparation method of the non-collodion cotton in the patent has the following defects: although the prepared non-glue cotton can meet certain requirements, the mixing degree of all materials is poor, the functionality is weak, and the effect of maintaining a human body cannot be achieved.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a preparation method of non-glue cotton.

In order to achieve the purpose, the invention adopts the following technical scheme:

a preparation method of non-glue cotton comprises the following steps:

s1: selecting raw materials, and taking 4080 low-melting-point polyester fibers, polyester fibers and magnetic fibers in proportion for later use;

s2: placing the raw materials in a mixing device for mixing, wherein the mixing time is controlled to be 5-10 min;

s3: placing the mixed raw materials into an opener for opening;

s4: putting the opened material into a double-channel doffer carding machine for carding;

s5: lapping the carded material by using a lapping machine;

s6: hot-pressing and shaping the lapped materials through a hot press, and controlling the temperature to be 115-140 ℃;

s7: and cooling the shaped material, and cutting the material to a specified shape by using a cutting machine to obtain a final product.

Preferably: the mixing device comprises a main body, wherein a feed hopper is arranged at the top of the main body, a motor is fixed on the outer wall of the top of the main body through screws, the output end of the motor is rotatably connected with an air ventilation frame through a coupler, elastic stirring rods which are uniformly distributed are arranged on the air ventilation frame, the circumferential side walls of the elastic stirring rods are of arc surface structures, two blanking doors for supporting materials are arranged on the inner wall of the main body through a fixed partition plate, and a discharge port is arranged at the bottom of the main body; an observation window is arranged on the outer wall of one side of the main body.

Further: the elastic stirring rod is of a hollow structure, the inner wall of one end, close to the elastic stirring rod, of the ventilation frame is connected with a plug head in a sealing and sliding mode, the outer wall of the bottom of the plug head is fixedly provided with a connecting rod through a screw, the other end of the connecting rod is fixedly provided with an arc-shaped raised head through a screw, and the outer wall of one end, close to the elastic stirring rod, of the ventilation frame and the outer wall of one side of the arc-shaped raised head are fixedly; elastic wires which are uniformly distributed in the circumferential direction are arranged on the two fixing rings, the elastic stirring rods are sleeved outside the elastic wires, and the inner walls of the two ends of the elastic stirring rods are respectively bonded to the outer wall of one end of the ventilating frame and the outer wall of the circumference of the arc-shaped raised head; the ventilation frame is connected with an air pressure generating device through an air slip ring and an air pipe.

Further preferred is: the arc raised head is of a hemispherical structure.

As a preferable aspect of the present invention: two electromagnets which attract each other are respectively installed on the outer wall of the bottom of the blanking door through two first brackets.

Further preferred as the invention: the second supports are installed on the outer wall of the bottom of the blanking door through screws, and the same elastic rope is installed between the second supports located on the two blanking doors through buckles.

As a still further scheme of the invention: the fan is fixed on the inner wall of one side of the main body through screws, the sieve plates are fixed on the inner walls of two sides of the main body through screws, and sieve holes which are uniformly distributed are formed in the outer wall of one side of each sieve plate; the fan and the sieve plate are both positioned below the blanking door.

On the basis of the scheme: the detachable grafting of main part one side inner wall has the collection box, collects box position and sieve adaptation, and one side inner wall integral type that just collects the box and be close to the sieve is provided with the direction eaves of buckling to collecting box inside.

On the basis of the foregoing scheme, it is preferable that: the inner walls of two sides of the main body are rotatably connected with the same connecting column, the outer wall of the connecting column is provided with impellers which are uniformly distributed, and the connecting column is positioned between a blanking door and a sieve plate.

It is further preferable on the basis of the foregoing scheme that: the blade of impeller all bonds and has hit the ball, hits the position and the sieve adaptation of hitting the ball, hits the ball and is the elastic rubber material.

It is further preferable on the basis of the foregoing scheme that: the maximum radius of the elastic stirring rod is controlled to be 2-4 cm, even 2.5 mm.

It is further preferable on the basis of the foregoing scheme that: the addition ratio of the magnetic fibers is controlled to be 20-40%, even 25%.

The invention has the beneficial effects that:

1. the non-glue cotton prepared by the invention is suitable for the filling material of the clothes and the quilt, not only has good elasticity, softness and heat preservation performance, but also has excellent magnetic therapy health care effect, and the materials are uniformly mixed, the impurities and the crushed aggregates are few, the cleanliness is high, and the product quality is reliable.

2. Through setting up structures such as motor, gas sliding ring and elasticity stirring rod, can make motor work drive the elasticity stirring rod through gas sliding ring and stir the material, and the circumference lateral wall is ARC structure's elasticity stirring rod can effectively avoid causing the damage to the material when stirring the mixture, has promoted the reliability.

3. Through setting up hollow structure's elasticity stirring rod and chock plug and stretch yarn, can utilize the atmospheric pressure generating device to bleed from ventilating the frame in, and then make the chock plug slide in ventilating the frame inside, and drive solid fixed ring rebound through the connecting rod in step, make the interval between two solid fixed rings reduce, thereby make the stretch yarn both ends be close to each other, the stretch yarn takes place deformation, make the stretch yarn middle part to the outside uplift, reach the maximum radial effect of change elasticity stirring rod, when the outside winding of elasticity stirring rod has a large amount of materials, utilize this mode to change the radius of elasticity stirring rod, can effectively make the material of winding in the elasticity stirring rod outer wall drop, practicality and reliability have been promoted.

4. The arc-shaped raised head in a hemispherical structure is arranged, so that the problem of scratching materials in the stirring process is effectively avoided; by arranging the electromagnet and other structures, the opening and closing of the blanking door can be controlled by electrifying and powering off the electromagnet; through setting up the elasticity rope, can carry on spacingly to opening and shutting of blanking door, when guaranteeing the blanking, avoided the electro-magnet interval too big and influence the closure of blanking door.

5. Through setting up fan and sieve isotructure, can carry out the selection by winnowing to the material that falls to reject small-size crushed aggregates and impurity, ensured the quality of product, collect box and direction eaves through the setting, can be convenient for accomodate impurity and waste material, the eaves that leads simultaneously can effectually avoid the impurity departure, plays spacing effect.

6. Through the arrangement of the impeller and other structures, falling materials can be received, and the speed reduction effect is achieved, so that the winnowing time is prolonged, the winnowing effect is guaranteed, and the practicability is improved; the beating ball is arranged, so that when the impeller rotates along with falling of materials, the beating ball can be used for beating the sieve plate, and the beating ball is made of elastic rubber, so that the beating function is guaranteed, and meanwhile, the beating ball can pass through the top of the sieve plate in a deformation mode to be matched with the impeller to continuously rotate; this design not only can effectively be solved the sieve mesh and sealed by impurity, the stifled hole problem, has further slowed down the slew velocity of impeller to slowed down material whereabouts speed, promoted the selection by winnowing effect.

Drawings

FIG. 1 is a schematic structural diagram of a mixing device in a method for preparing non-glue cotton according to the present invention;

FIG. 2 is a schematic cross-sectional structural view of a mixing device in a method for manufacturing non-collodion cotton according to the present invention;

FIG. 3 is a schematic sectional view of the elastic stirring rod in the method for preparing non-collodion cotton according to the present invention;

FIG. 4 is a schematic structural diagram of an impeller in a method for preparing non-collodion cotton according to the present invention;

FIG. 5 is a schematic structural diagram of a blanking door in a method for manufacturing non-glue cotton according to the present invention;

FIG. 6 is a graph showing the relationship between the maximum radius of the elastic stirring rod and the waste generation rate in the method for preparing non-collodion cotton according to the present invention.

In the figure: the device comprises a main body 1, a feed hopper 2, a motor 3, an observation window 4, a collection box 5, a fan 6, an elastic stirring rod 7, an air slip ring 8, an air ventilation frame 9, a fixed partition plate 10, a blanking door 11, an arc-shaped raised head 12, an elastic wire 13, a plug 14, a connecting rod 15, a fixed ring 16, a hitting ball 17, an impeller 18, a connecting column 19, a guide eave 20, a sieve plate 21, a sieve hole 22, an elastic rope 23, an electromagnet 24, a second support 25 and a first support 26.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

A method for preparing non-glue cotton, as shown in fig. 1-6, comprising the following steps:

s3: placing the mixed raw materials into an opener for opening;

s5: lapping the carded material by using a lapping machine;

In order to improve the mixing effect; as shown in fig. 1-5, the mixing device comprises a main body 1, a feed hopper 2 is arranged at the top of the main body 1, a motor 3 is fixed on the outer wall of the top of the main body 1 through screws, the output end of the motor 3 is rotatably connected with an air-through frame 9 through a coupler, elastic stirring rods 7 which are uniformly distributed are arranged on the air-through frame 9, the circumferential side wall of each elastic stirring rod 7 is of an arc-shaped structure, two blanking doors 11 for supporting materials are arranged on the inner wall of the main body 1 through a fixed partition plate 10, and a discharge hole is formed in the bottom of the main body 1; an observation window 4 is arranged on the outer wall of one side of the main body 1; through setting up motor 3, gas sliding ring 8 and elasticity stirring rod 7 isotructure, can make motor 3 work and drive elasticity stirring rod 7 through gas sliding ring 8 and stir the material, and the circumference lateral wall is cambered surface structure's elasticity stirring rod 7 can effectively avoid causing the damage to the material when stirring the mixture, has promoted the reliability.

In order to improve the mixing effect and avoid the phenomena of large amount of winding and the like; as shown in fig. 2 and 3, the elastic stirring rod 7 is of a hollow structure, the inner wall of one end of the ventilation frame 9, which is close to the elastic stirring rod 7, is hermetically and slidably connected with a plug 14, the outer wall of the bottom of the plug 14 is fixed with a connecting rod 15 through a screw, the other end of the connecting rod 15 is fixed with an arc-shaped raised head 12 through a screw, and the outer walls of one end of the ventilation frame 9, which is close to the elastic stirring rod 7, and one side of the arc-shaped raised head 12 are fixed with fixing rings 16 through screws; elastic wires 13 which are uniformly distributed in the circumferential direction are arranged on the two fixing rings 16, the elastic stirring rods 7 are sleeved outside the elastic wires 13, and the inner walls of the two ends of the elastic stirring rods 7 are respectively bonded to the outer wall of one end of the ventilation frame 9 and the circumferential outer wall of the arc-shaped raised head 12; the ventilation frame 9 is connected with an air pressure generating device through an air slip ring 8 and an air pipe; through setting up hollow structure's elasticity stirring rod 7 and chock plug 14 and stretch yarn 13, can utilize the air pressure generating device to bleed from ventilating frame 9 in, and then make chock plug 14 slide in ventilating frame 9 inside, and drive solid fixed ring 16 rebound through connecting rod 15 in step, make the interval between two solid fixed ring 16 reduce, thereby make stretch yarn 13 both ends be close to each other, stretch yarn 13 takes place deformation, make stretch yarn 13 middle part to the outside uplift, reach the effect that changes the maximum radius of elasticity stirring rod 7, when elasticity stirring rod 7 outside winding has a large amount of materials, utilize this mode to change the radius of elasticity stirring rod 7, can effectively make the material of twining in elasticity stirring rod 7 outer wall drop, practicality and reliability have been promoted.

To avoid damaging the material; as shown in fig. 3, the arc nose 12 has a hemispherical structure; by arranging the arc convex head 12 in a hemispherical structure, the problem of scratching materials in the stirring process is effectively avoided.

To facilitate the control of the opening and closing of the blanking door 11; as shown in fig. 5, two electromagnets 24 which attract each other are respectively installed on the outer walls of the bottoms of the two blanking doors 11 through two first brackets 26; by providing the electromagnet 24 or the like, the opening and closing of the blanking door 11 can be controlled by energizing and deenergizing the electromagnet 24.

In order to improve reliability; as shown in fig. 5, the outer walls of the bottoms of the blanking doors 11 are respectively provided with a second bracket 25 through screws, and the same elastic rope 23 is arranged between the second brackets 25 on the two blanking doors 11 through buckles; through setting up elastic rope 23, can carry on spacingly to opening and shutting of blanking door 11, when guaranteeing the blanking, avoided 24 intervals of electro-magnet too big and influence the closure of blanking door 11.

To facilitate removal of impurities; as shown in fig. 3, a fan 6 is fixed on the inner wall of one side of the main body 1 through screws, sieve plates 21 are fixed on the inner walls of two sides of the main body 1 through screws, and sieve holes 22 are uniformly distributed on the outer wall of one side of each sieve plate 21; the fan 6 and the sieve plate 21 are both positioned below the blanking door 11; through setting up fan 6 and sieve 21 isotructures, can carry out the selection by winnowing to the material that falls to reject small-size crushed aggregates and impurity, ensured the quality of product.

The storage is convenient; as shown in fig. 4, the detachable grafting of main part 1 one side inner wall has collection box 5, collects box 5 position and sieve 21 adaptation, and collects box 5 and be close to one side inner wall integral type of sieve 21 and be provided with the direction eaves 20 of buckling to collecting box 5 inside, collects box 5 and direction eaves 20 through setting up, can be convenient for accomodate impurity and waste material, and the eaves 20 that leads simultaneously can effectually avoid the impurity departure, plays spacing effect.

In order to further improve the mixing effect; as shown in fig. 4, the inner walls of the two sides of the main body 1 are rotatably connected with the same connecting column 19, the outer wall of the connecting column 19 is provided with the impellers 18 which are uniformly distributed, the connecting column 19 is positioned between the blanking door 11 and the sieve plate 21, and the falling materials can be accepted by setting the impellers 18 and other structures, so that the speed reduction effect is achieved, the winnowing time is prolonged, the winnowing effect is guaranteed, and the practicability is improved.

In order to avoid the holes of the sieve pores 22 from being blocked, and the impurity removal effect is improved; as shown in fig. 4, hitting balls 17 are bonded to the blades of the impeller 18, the positions of the hitting balls 17 are matched with the sieve plate 21, and the hitting balls 17 are made of elastic rubber; through the arrangement of the hitting ball 17, when the impeller 18 rotates along with the falling of materials, the hitting ball 17 is used for hitting the sieve plate 21, and the hitting ball 17 is made of elastic rubber, so that the hitting function is guaranteed, and meanwhile, the hitting ball can pass through the top of the sieve plate 21 in a deformation mode to be matched with the impeller 18 to continuously rotate; the design can effectively solve the problems that the sieve holes 22 are sealed by impurities and blocked, and further slow down the rotating speed of the impeller 18, thereby slowing down the falling speed of the material and improving the winnowing effect.

The maximum radius of the elastic stirring rod 7 is controlled to be 2-4 cm, even 2.5 mm.

The addition ratio of the magnetic fibers is controlled to be 20-40%, even 25%.

When the device is used, a user adds mixed materials into the main body 1 through the feed hopper 2, the materials fall on the two blanking doors 11, the motor 3 is controlled to work, and the motor 3 works to drive the elastic stirring rod 7 to rotate through the ventilation frame 9 so as to reliably mix the materials; the elastic stirring rod 7 is of a hollow structure with the circumferential side wall in a cambered surface, so that the damage to materials during stirring and mixing is effectively avoided, and the reliability is improved; in addition, a user can utilize the air pressure generating device to extract air from the ventilating frame 9, so that the plug 14 slides in the ventilating frame 9, and synchronously drives the fixing rings 16 to move upwards through the connecting rod 15, so that the distance between the two fixing rings 16 is reduced, the two ends of the elastic wire 13 are close to each other, the elastic wire 13 deforms, the middle part of the elastic wire 13 bulges outwards, the effect of changing the maximum radius of the elastic stirring rod 7 is achieved, when a large amount of materials are wound outside the elastic stirring rod 7, the radius of the elastic stirring rod 7 is changed by utilizing the mode, the materials wound on the outer wall of the elastic stirring rod 7 can be effectively dropped, and the practicability and the reliability are improved; after materials are mixed, the power supply of the electromagnets 24 is disconnected, so that the attraction of the two electromagnets 24 disappears, the two blanking doors 11 are opened under the action of gravity, the elastic rope 23 can limit the opening and closing of the blanking doors 11, and the phenomenon that the blanking doors 11 are closed due to the influence of overlarge space between the electromagnets 24 is avoided while blanking is guaranteed; the falling materials reach the impeller 18, the impeller 18 can accept the falling materials to achieve the effect of speed reduction, and the structures of the fan 6, the sieve plate 21 and the like can perform winnowing on the falling materials to remove small crushed materials and impurities, so that the quality of products is guaranteed; in addition, through the arrangement of the hitting ball 17, when the impeller 18 rotates along with the falling of the material, the sieve plate 21 can be hit by the hitting ball 17, and due to the fact that the hitting ball 17 is made of elastic rubber, the hitting function is guaranteed, and meanwhile the hitting ball can pass through the top of the sieve plate 21 in a deformation mode to be matched with the impeller 18 to continuously rotate; the design can effectively solve the problems that the sieve holes 22 are sealed by impurities and blocked, and further slow down the rotating speed of the impeller 18, thereby slowing down the falling speed of the material and improving the winnowing effect.

Experiment one:

in order to ensure the magnetic therapy health care performance, under the condition that other conditions are not changed, the proportion of the magnetic fibers in the raw materials is changed, the production is carried out, and the magnetic test and the elastic test are carried out after the production, so that the following data are obtained:

magnetic fiber addition ratio	20%	25%	30%	35%	40%
						Magnetic therapy health care performance	Good effect	Is excellent in	Is excellent in	Is excellent in	Is excellent in
Elasticity of non-glue cotton	Is excellent in	Is excellent in	Good effect	In general	In general

From the above, when the addition ratio of the magnetic fibers accounts for 20-25% of the total proportion of the raw materials, the non-collodion cotton has excellent elasticity, and when the addition ratio of the magnetic fibers is 25-40%, the magnetic therapy health care performance is better than that of the case that the addition ratio is 20%, so that the addition ratio of the magnetic fibers is preferably 25%.

Experiment two:

in order to guarantee the mixing degree of the materials, the maximum radius of the elastic stirring rod 7 is adjusted under the condition that other conditions are not changed, and multiple times of production are carried out, as shown in fig. 6, the following data are obtained:

maximum radius of elastic stirring rod	2cm	2.5cm	3cm	3.5cm	4cm
						Rate of waste generation	3.8%	1.4%	1.2%	1%	0.9%
Degree of mixing of materials	Is excellent in	Is excellent in	Good effect	Good effect	In general

From the above, it can be seen that when the maximum radius of the stirring bar 7 is controlled to be 2 to 2.5cm, the material mixing degree is excellent, while the maximum radius of the stirring bar 7 also affects the amount of the waste generated by the stirring, and when the maximum radius of the stirring bar 7 is 2.5cm, the waste generation rate is significantly lower than 2cm, and therefore, the maximum radius of the stirring bar 7 is preferably controlled to be 2.5 cm.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The preparation method of the non-glue cotton is characterized by comprising the following steps:

s3: placing the mixed raw materials into an opener for opening;

s5: lapping the carded material by using a lapping machine;

2. The preparation method of the non-glue cotton according to claim 1, wherein the mixing device comprises a main body (1), a feed hopper (2) is arranged at the top of the main body (1), a motor (3) is fixed on the outer wall of the top of the main body (1) through screws, the output end of the motor (3) is rotatably connected with an air ventilation frame (9) through a coupling, elastic stirring rods (7) which are uniformly distributed are mounted on the air ventilation frame (9), the circumferential side wall of each elastic stirring rod (7) is of an arc surface structure, two blanking doors (11) for supporting materials are mounted on the inner wall of the main body (1) through a fixed partition plate (10), and a discharge hole is formed in the bottom of the main body (1); an observation window (4) is arranged on the outer wall of one side of the main body (1).

3. The collodion-free cotton preparation method according to claim 2, wherein the elastic stirring rod (7) is of a hollow structure, the inner wall of one end of the ventilation frame (9) close to the elastic stirring rod (7) is hermetically and slidably connected with a plug head (14), the outer wall of the bottom of the plug head (14) is fixedly provided with a connecting rod (15) through a screw, the other end of the connecting rod (15) is fixedly provided with an arc-shaped raised head (12) through a screw, and the outer wall of one end of the ventilation frame (9) close to the elastic stirring rod (7) and one side of the arc-shaped raised head (12) are fixedly provided with fixing rings (16) through screws; elastic wires (13) which are uniformly distributed in the circumferential direction are arranged on the two fixing rings (16), the elastic stirring rod (7) is sleeved outside the elastic wires (13), and the inner walls of the two ends of the elastic stirring rod (7) are respectively bonded to the outer wall of one end of the ventilation frame (9) and the circumferential outer wall of the arc-shaped raised head (12); the ventilation frame (9) is connected with an air pressure generating device through an air slip ring (8) and an air pipe.

4. A method for preparing non-collodion cotton according to claim 3, characterised in that the curved nose (12) is of hemispherical configuration.

5. The method for preparing the non-glue cotton is characterized in that two electromagnets (24) which are mutually attracted are respectively arranged on the outer walls of the bottoms of the two blanking doors (11) through two first brackets (26).

6. The method for preparing the collodion-free cotton according to claim 5, wherein the second brackets (25) are respectively installed on the outer walls of the bottoms of the blanking doors (11) through screws, and the same elastic rope (23) is respectively installed between the second brackets (25) on the two blanking doors (11) through buckles.

7. The method for preparing the non-collodion cotton according to claim 6, wherein the fan (6) is fixed on the inner wall of one side of the main body (1) through screws, the sieve plate (21) is fixed on the inner wall of the two sides of the main body (1) through screws, and the outer wall of one side of the sieve plate (21) is provided with sieve holes (22) which are uniformly distributed; the fan (6) and the sieve plate (21) are both positioned below the blanking door (11).

8. The collodion-free cotton production method according to claim 7, wherein the collecting box (5) is detachably inserted into one side of the inner wall of the main body (1), the position of the collecting box (5) is matched with the sieve plate (21), and the guiding eaves (20) which are bent towards the inside of the collecting box (5) are integrally arranged on the inner wall of one side of the collecting box (5) close to the sieve plate (21).

9. A method for preparing non-collodion cotton according to any one of claims 2-8, characterized in that the maximum radius of the resilient stirring rod (7) is controlled to be between 2-4 cm, even 2.5 mm.

10. The method for preparing non-collodion cotton according to any one of claims 1-8, wherein the addition ratio of the magnetic fibers is controlled to be 20-40%, even 25%.