Preparation method of liquid-absorbing cotton, liquid-absorbing cotton and atomizer

Abstract

The invention relates to the technical field of atomization, and provides a preparation method of liquid absorbing cotton, the liquid absorbing cotton and an atomizer. First fibers are obtained, in the horizontal direction, lapping is conducted on the first fibers in the first direction, drafting, reinforcing shaping and cutting are conducted on the first fibers in the second direction, and a first cotton body with a through hole in the center position is obtained; manufacturing a second cotton body; second fibers are obtained, lapping is conducted on the second fibers in the first direction in the horizontal direction, drafting, reinforcing, shaping and cutting are conducted in the second direction, and a second cotton body with the density larger than that of the first cotton body is obtained; a caulking groove for accommodating the first cotton body is formed in the second cotton body; the first cotton body and the second cotton body are combined together; the first cotton body and the second cotton body are combined to form the liquid absorption cotton of the double-layer structure, the density of the first cotton body is smaller than that of the second cotton body, and liquid can be actively transferred to the second cotton body under the driving of the density difference and the capillary action.

Description

Technical Field

[0001] The present application relates to the field of atomization technology, and in particular provides a method for preparing a liquid absorbent cotton, a liquid absorbent cotton and an atomizer. Background Art

[0002] The electronic atomization device is mainly composed of an atomizer and a power supply component. The atomizer generally includes a liquid storage tank, an atomization core, an air outlet channel, liquid absorbent cotton and a nozzle, etc. The liquid storage tank is used to store liquid aerosol matrix; the atomization core is used to heat and atomize the liquid aerosol matrix to form an aerosol that can be consumed by the user. The liquid absorbent cotton is located at the junction of the air outlet channel and the nozzle, and the liquid absorbent cotton can absorb the condensed liquid generated during the atomization process.

[0003] Current absorbent cotton is often made of fiber-shaped sheets, coils or tubes, and is punched and cut. The overall density of the absorbent cotton is uniform. When absorbing liquid, the liquid diffuses slowly around the absorbent cotton, resulting in a low absorption rate and poor diffusion and transfer effect of the liquid on the absorbent cotton. In addition, due to different molding processes, the fibers of some existing absorbent cottons are distributed longitudinally, resulting in poor transfer effect of the liquid on the horizontal plane, affecting the absorption rate and easily causing condensation to leak out at the nozzle. Summary of the invention

[0004] The purpose of the embodiments of the present application is to provide a method for preparing absorbent cotton, absorbent cotton and an atomizer, aiming to solve the problems that the existing absorbent cotton has a low liquid absorption rate, poor diffusion and transfer effect of the liquid on the absorbent cotton, and condensation liquid is easily leaked at the suction nozzle.

[0005] To achieve the above purpose, the technical solution adopted in this application is:

[0006] Making a first cotton body; obtaining first fibers, horizontally laying the first fibers along a first direction, stretching, shaping and cutting the first fibers along a second direction, to obtain the first cotton body having a through hole at a center position; the first direction and the second direction form an angle;

[0007] Making a second cotton body; obtaining second fibers, horizontally laying the second fibers along the first direction, stretching, shaping and cutting the second fibers along the second direction to obtain the second cotton body having a density greater than that of the first cotton body;

[0008] Making an embedding groove on the second cotton body for accommodating the first cotton body;

[0009] The first cotton body is combined with the second cotton body; the first cotton body is embedded in the embedding groove of the second cotton body so that the outer periphery of the first cotton body contacts the inner periphery of the second cotton body in the embedding groove.

[0010] The preparation method of the liquid-absorbent cotton of the present application comprises the following steps: laying a web and stretching the first fibers and the second fibers respectively; the first fibers on the first cotton body form a random web on the horizontal plane, and the first fibers are arranged relatively evenly in a direction in the horizontal plane, with a high degree of disorder; the second fibers on the second cotton body form a random web on the horizontal plane, and the second fibers are arranged relatively evenly in a direction in the horizontal plane, with a high degree of disorder; then the first cotton body and the second cotton body can both form continuous "microporous channels" in various directions in the horizontal plane direction, which is beneficial for the transfer and diffusion of the atomized liquid on the first cotton body and the second cotton body in various directions in the horizontal plane, and effectively improves the liquid conduction and diffusion rate of the cotton body.

[0011] And the density of the first cotton body is less than that of the second cotton body, that is, the fibers of the second cotton body are denser than those of the first cotton body. When the amount of liquid absorbed by the first cotton body reaches a certain amount, under the action of the differential wicking effect, the liquid will be quickly transferred from the first cotton body to the second cotton body, that is, the liquid can be quickly transferred from the center of the absorbent cotton to the surrounding area, effectively improving the liquid absorption rate of the absorbent cotton and effectively improving the performance of the absorbent cotton.

[0012] In a possible design, the thickness of the second cotton body is configured to be greater than or equal to the thickness of the first cotton body; wherein the thickness range of the first cotton body is configured to be: 0.5mm-5mm; the thickness range of the second cotton body is configured to be: 0.5mm-5mm.

[0013] By adopting the above technical solution, the thickness of the second cotton body is greater than that of the first cotton body, so that the liquid can be better transferred from the first cotton body to the second cotton body, thereby improving the diffusion effect of the liquid on the absorbent cotton.

[0014] In a possible design, the density range of the first cotton body is configured as: 50-200kg / m 3 ; And, the density range of the second cotton body is configured as: 150-300kg / m 3 .

[0015] In a possible design, the steps of laying the first fibers along the first direction, stretching, shaping and cutting the first fibers along the second direction include:

[0016] The first direction is perpendicular to the second direction. During the cutting process, one of the first direction and the second direction is used as the length direction of the first cotton body, and the other of the first direction and the second direction is used as the width direction of the first cotton body.

[0017] By adopting the above technical solution, the disorderly distribution degree of the first fibers in the first cotton body is kept consistent with the disorderly distribution degree of the first fibers in the non-woven fabric, and the liquid is easier to spread on the first cotton body.

[0018] In a possible design, the breaking strength value of the first cotton body in the first direction is defined as D1, and the breaking strength value of the first cotton body in the second direction is defined as D2; wherein,

[0019] If the length-to-width ratio of the first cotton body to be cut is equal to 1, D1 / D2 approaches 1.

[0020] In a possible design, the breaking strength value of the first cotton body in the first direction is defined as D1, and the breaking strength value of the first cotton body in the second direction is defined as D2; wherein,

[0021] If the length-to-width ratio of the first cotton body to be cut is greater than 1, and the first direction is the length direction of the first cotton body; then D1 / D2 is greater than 1; or,

[0022] If the length-to-width ratio of the first cotton body to be cut is greater than 1, and the second direction is the length direction of the second cotton body; then D1 / D2 is less than 1.

[0023] In a possible design, the steps of laying the second fibers along the first direction, stretching, shaping and cutting the second fibers along the second direction include:

[0024] The first direction is perpendicular to the second direction; during the cutting process, one of the first direction and the second direction is used as the length direction of the second cotton body, and the other of the first direction and the second direction is used as the width direction of the second cotton body.

[0025] By adopting the above technical solution, the random distribution degree of the second fibers in the second cotton body is kept consistent with the random distribution degree of the second fibers in the non-woven fabric, and the liquid is more easily diffused on the second cotton body.

[0026] In a possible design, along the first direction, the distance between the outer edge of the second cotton body and the outer edge of the first cotton body is L1, and along the second direction, the distance between the outer edge of the second cotton body and the outer edge of the first cotton body is L2; ​​wherein,

[0027] If L1 is equal to L2, the breaking strength value of the second cotton body in the first direction is close to the breaking strength value of the second cotton body in the second direction;

[0028] If L1 is greater than L2, the breaking strength of the second cotton body in the first direction is greater than the breaking strength in the second direction;

[0029] If L1 is smaller than L2, the breaking strength value of the second cotton body in the first direction is smaller than the breaking strength value in the second direction.

[0030] In a possible design, the material of the first fiber is a mixture of one or more of natural fiber, renewable fiber and synthetic fiber; and / or,

[0031] The material used for the second fiber is a mixture of one or more of natural fibers, renewable fibers, and synthetic fibers.

[0032] By adopting the above technical scheme, the natural fiber is a mixture of one or more of cotton fiber, hemp fiber, coconut shell fiber, wood pulp fiber, bamboo fiber, wool fiber, and silk fiber. The renewable fiber is a mixture of one or more of viscose fiber, lyocell fiber, and cuprammonium fiber. The synthetic fiber is a mixture of one or more of polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polyamide (PA), and polylactic acid (PLA).

[0033] In a possible design, the step of making a groove on the second cotton body for accommodating the first cotton body includes:

[0034] An embedding groove matching the contour shape of the outer peripheral edge of the first cotton body is provided at the center of the second cotton body, and the embedding groove is used for interference fit with the first cotton body.

[0035] By adopting the above technical solution, the first cotton body is interference-fitted in the embedding groove, so that the contact effect between the first cotton body and the second cotton body is better, which is beneficial to liquid transfer.

[0036] In a possible design, after the first cotton body is embedded in the embedding groove of the second cotton body so that the outer periphery of the first cotton body contacts the inner periphery of the second cotton body in the embedding groove; the method further includes:

[0037] The first fibers at the outer periphery of the first cotton body are connected with the second fibers at the inner periphery of the second cotton body.

[0038] By adopting the above technical solution, the first fibers of the first cotton body are further connected with the second fibers of the second cotton body, so that the capillary action between the fibers of the first cotton body and the second cotton body is better and the liquid transfer effect is better.

[0039] In a possible design, the step of connecting the first fibers at the outer periphery of the first cotton body with the second fibers at the inner periphery of the second cotton body at the embedded groove includes:

[0040] The first fibers at the outer peripheral edge of the first cotton body are connected with the second fibers at the outer peripheral edge of the second cotton body by one or more of acupuncture, hydroentanglement, thermal bonding, and chemical bonding processes.

[0041] By adopting the above technical solution, the connection method between the first fiber and the second fiber is not limited and can be multiple.

[0042] In a possible design, the step of connecting the first fibers at the outer periphery of the first cotton body with the second fibers at the inner periphery of the second cotton body at the embedded groove includes:

[0043] The first fibers at the outer peripheral edge of the first cotton body and the second fibers at the outer peripheral edge of the second cotton body are connected by needle punching and / or hydroentanglement, and the angle between the needle punching direction and the horizontal plane is in the range of 0°-90°.

[0044] In a second aspect, an embodiment of the present application provides a liquid-absorbent cotton obtained by the preparation method of the liquid-absorbent cotton, wherein the liquid-absorbent cotton comprises a first cotton body having through holes and a second cotton body wrapped around the first cotton body; the density of the first cotton body is configured to be less than the density of the second cotton body.

[0045] In the third aspect, an embodiment of the present application provides a nebulizer, comprising a shell assembly, and the liquid-absorbing cotton described in the atomizing core arranged in the shell assembly; the shell assembly is specifically a nozzle portion, and an air outlet channel connected between the atomizing core and the nozzle portion and a liquid storage tank for storing an aerosol matrix are formed in the shell assembly, and the liquid storage tank is used to supply liquid to the atomizing core; the liquid-absorbing cotton is horizontally arranged at the junction of the air outlet channel and the nozzle portion, and the through hole of the liquid-absorbing cotton is connected to the air outlet channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0047] Figure 1 A schematic cross-sectional structure diagram of an atomizer provided in an embodiment of the present application applied to an electronic atomization device;

[0048] Figure 2 for Figure 1 A magnified view of the part A in the middle;

[0049] Figure 3 A schematic diagram of the structure of a liquid-absorbing cotton provided in an embodiment of the present application;

[0050] Figure 4 A schematic structural diagram of a first cotton body and a second cotton body of a liquid-absorbing cotton provided in an embodiment of the present application;

[0051] Figure 5 A schematic diagram of the structure of a liquid-absorbing cotton provided in another embodiment of the present application;

[0052] Figure 6 A schematic diagram of the structure of a liquid absorbent cotton provided in another embodiment of the present application;

[0053] Figure 7 A schematic diagram of the steps of a method for preparing liquid absorbent cotton provided in one embodiment of the present application;

[0054] Figure 8 A cross-sectional diagram of a first cotton body provided in an embodiment of the present application on a horizontal plane, wherein the aspect ratio of the first cotton body is equal to 1;

[0055] Fig. 9 A cross-sectional diagram of a first cotton body provided in an embodiment of the present application on a horizontal plane, wherein the aspect ratio of the first cotton body is greater than 1;

[0056] Fig.10 A cross-sectional diagram of a liquid-absorbing cotton provided in an embodiment of the present application on a horizontal plane, wherein L1>L2;

[0057] Fig.11 A cross-sectional diagram of a liquid-absorbing cotton provided in an embodiment of the present application on a horizontal plane, wherein L1<L2;

[0058] Fig.12 This is a cross-sectional diagram of a liquid-absorbing cotton provided in an embodiment of the present application on a horizontal plane, wherein L1=L2.

[0059] Among them, the reference numerals in the figure are:

[0060] 1000, atomizer; 2000, electronic atomization device;

[0061] 1. liquid-absorbing cotton; 101. first cotton body; 102. second cotton body;

[0062] 2. Shell assembly; 3. Atomizer core; 4. Suction nozzle; 401. Suction nozzle channel; 5. Air outlet channel;

[0063] 6. Liquid storage tank; 7. Through hole; 8. Embedded groove;

[0064] X, first direction; Y, second direction. DETAILED DESCRIPTION

[0065] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0066] In the description of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0067] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0068] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0069] In the present application, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0070] The electronic atomization device is mainly composed of an atomizer and a power supply component. The atomizer generally includes a liquid storage tank, an atomization core, an air outlet channel, a liquid absorbent cotton and a suction nozzle, etc. The liquid storage tank is used to store the liquid aerosol matrix; the atomization core is used to heat and atomize the liquid aerosol matrix to form an aerosol that can be consumed by the smoker. The liquid absorbent cotton is arranged at the junction of the air outlet channel and the suction nozzle, and the liquid absorbent cotton can absorb the condensate generated during the atomization process. The current liquid absorbent cotton is often made of fiber-formed sheets, coils or tubes, and is formed by stamping and cutting. The overall density of the liquid absorbent cotton is uniform. When absorbing liquid, the liquid diffuses slowly around the liquid absorbent cotton, resulting in a low liquid absorption rate and poor diffusion and transfer effect of the liquid on the liquid absorbent cotton. In addition, due to different molding processes, the fibers of some existing liquid absorbent cottons are distributed longitudinally, resulting in poor transfer effect of the liquid on the horizontal plane, affecting the liquid absorption rate, and it is easy to have condensate leaking from the suction nozzle.

[0071] Based on this, in order to solve the above problems, the present application designs a method for preparing liquid-absorbent cotton, by laying and stretching the first fibers and the second fibers respectively; the first fibers on the first cotton body form a random laying on the horizontal plane, and the first fibers are arranged relatively evenly in a direction in the horizontal plane, and the disorder is relatively high; the second fibers on the second cotton body form a random laying on the horizontal plane, and the second fibers are arranged relatively evenly in a direction in the horizontal plane, and the disorder is relatively high; then the first cotton body and the second cotton body can both form continuous "microporous channels" in various directions in the horizontal plane direction, which is beneficial to the transfer and diffusion of the atomized liquid on the first cotton body and the second cotton body in various directions in the horizontal plane, effectively improving the liquid conduction and diffusion rate of the cotton body, effectively improving the liquid absorption rate of the liquid-absorbent cotton, and effectively improving the performance of the liquid-absorbent cotton.

[0072] refer to Figure 1 , Figure 2 The embodiment of the present application provides an atomizer 1000, comprising a shell assembly 2, an atomizing core 3 arranged in the shell assembly 2, and a liquid absorbent cotton 1; the shell assembly 2 specifically comprises a suction nozzle 4, and an air outlet channel 5 connected between the atomizing core 3 and the suction nozzle 4 and a liquid storage tank 6 for storing aerosol matrix are formed in the shell assembly 2, and the liquid storage tank 6 is used to supply liquid to the atomizing core 3; the liquid absorbent cotton 1 is horizontally arranged at the confluence of the air outlet channel 5 and the suction nozzle 4, and the through hole 7 of the liquid absorbent cotton 1 is connected to the air outlet channel 5.

[0073] Specifically, Figure 1This is a schematic diagram of the cross-sectional structure of the atomizer 1000 of the present application applied to the electronic atomization device 2000; the atomization core 3 is used to heat and atomize the aerosol matrix stored in the liquid storage tank 6 to generate an aerosol that can be inhaled by the user, and the aerosol enters the mouthpiece 4 through the air outlet channel 5; the mouthpiece 4 has a mouthpiece channel 401, and the liquid absorbent cotton 1 is arranged between the air outlet channel 5 and the mouthpiece channel 401; it can be understood that in the process of the aerosol flowing from the air outlet channel 5 into the mouthpiece channel 401, there is a phenomenon that the aerosol condenses to form condensate. If the condensate is not absorbed in time, it may cause leakage at the mouthpiece 4, affecting the user experience; therefore, the liquid absorbent cotton 1 is provided to absorb the condensate in time to reduce the risk of leakage.

[0074] refer to Figure 2 , Figure 3 , Figure 5 , Figure 6 In some embodiments, the absorbent cotton 1 of the present application includes a first cotton body 101 having a through hole 7 and a second cotton body 102 wrapped outside the first cotton body 101 ; the density of the first cotton body 101 is configured to be less than the density of the second cotton body 102 .

[0075] It can be understood that the "first" and "second" in the first cotton body 101 and the second cotton body 102 do not refer to quantity; for example, the liquid absorbent cotton 1 can be a double-layer structure, that is, it includes a first cotton body 101 and a second cotton body 102, and the first cotton body 101 is located in the innermost layer of the liquid absorbent cotton 1. Alternatively, the liquid absorbent cotton 1 can be a structure with more than two layers, including a first cotton body 101 and a plurality of second cotton bodies 102, the first cotton body 101 is located in the innermost layer, and the plurality of second cotton bodies 102 are layered outside the first cotton body 101 to form a ring structure; and when the liquid absorbent cotton 1 has a structure with more than two layers, the liquid absorbent cotton 1 as a whole still satisfies the gradient distribution of the density of each layer, that is, in the direction from the inside to the outside of the ring structure, the density of each layer of the liquid absorbent cotton 1 is increasing. In some embodiments, the first cotton body 101 and the second cotton body 102 are combined to form a liquid-absorbing cotton 1 with an inner and outer double-layer structure, and the density of the first cotton body 101 is less than that of the second cotton body 102, a density difference is formed between the two, and the fiber distribution of the second cotton body 102 is denser than that of the first cotton body 101. During the atomization process of the atomizer 1000, the first cotton body 101 first contacts the condensate at the inner periphery of the through hole 7 and absorbs the condensate. After the first cotton body 101 absorbs a certain amount of liquid, the liquid absorbed by the first cotton body 101 will be driven by the density difference and the capillary action of the fibers and will be actively and continuously transferred to the surrounding second cotton body 102, which is conducive to the rapid diffusion and transfer of the liquid from the center of the liquid-absorbing cotton 1 to the surrounding areas in the horizontal direction, thereby increasing the liquid absorption rate and achieving a better liquid absorption effect.

[0076] Understandably, the first cotton body 101 and the second cotton body 102 both have oil locking ability and oil storage capacity. Among them, the oil locking ability refers to the ability to lock the liquid and prevent the liquid from dripping. The oil storage capacity refers to the ability to store and hold the atomized liquid. Under the same volume, the greater the density of the cotton body, the denser the fibers of the cotton body, the more the liquid contacts the fibers in the cotton body, the stronger the adsorption (capillary) effect of the liquid and the fibers in the cotton body, and the easier it is for the liquid to be locked in the cotton body; the smaller the density of the cotton body, the sparser the fibers in the cotton body, and the same volume of cotton body has more gaps in the microstructure, and more liquid can be stored in the cotton body. Therefore, the first cotton body 101 (inner layer) of the same volume is compared with the second cotton body 102 (outer layer), because the density of the first cotton body 101 is less than the density of the second cotton body 102, the first cotton body 101 has a stronger oil storage capacity, that is, the first cotton body 101 first contacts the condensate and can quickly absorb more liquid in a short time. The second cotton body 102 has a stronger oil-locking ability, so that the liquid is not easily leaked after being transferred from the first cotton body 101 to the second cotton body 102. That is, the liquid-absorbing cotton 1 of the present application can fully improve the liquid absorption rate and oil absorption amount by combining the first cotton body 101 with the second cotton body 102, and reduce the risk of liquid leakage of the atomizer 1000.

[0077] refer to Figure 3 , Figure 4 , Figure 7 In some embodiments, the present application also provides a method for preparing a liquid-absorbing cotton 1, comprising the following steps:

[0078] S101, making a first cotton body 101; obtaining first fibers, horizontally laying the first fibers along a first direction X, stretching, shaping and cutting the first fibers along a second direction Y, to obtain a first cotton body 101 having a through hole 7 at the center; the first direction X and the second direction Y form an angle.

[0079] It can be understood that before the first fibers are laid, the first fibers are processed in advance: the first fiber raw materials are opened in advance by an opener, and the opened first fiber assembly is loosened by a carding machine, so as to improve the separation degree of the first fibers while minimizing the loss of the first fibers, so that the first fiber bundles are relatively perfectly separated into single fiber states. This is a conventional operation in the existing fiber spinning technology, and this application will not go into details.

[0080] Specifically, in the horizontal direction, the processed first fibers are laid, and the laying process is a process of forming a single-layer or multi-layer nonwoven web with the first fibers by mechanical methods. It can be understood that the embodiment of the present application uses a laying machine to lay the fibers, which is a conventional technology in the current textile field, and the laying machine can set the arrangement direction of the first fibers after the first fibers form a web.

[0081] In some embodiments, the first fibers are laid along the first direction X by a cross-lapper, that is, most of the first fibers in the laid fiber web are arranged along the first direction X.

[0082] It can be understood that the laid fiber web is stretched along the second direction Y, and part of the first fibers arranged along the first direction X are pulled to be arranged along the second direction Y or tending to the second direction Y, so that the fiber web is disordered and the disorder of the fiber web is improved; the uniformity of the number of fibers arranged in various directions of the fiber web is called disorder, and the higher the disorder, the more uniform the arrangement of the fibers in various directions. Then the first fibers are randomly distributed in various directions, so in the horizontal direction of the first cotton body 101, continuous "microporous channels" in various directions (including the first direction X and the second direction Y) are formed between the first fibers. This is beneficial for the liquid to transfer and diffuse from the center to the surroundings in the horizontal direction on the first cotton body 101. It can also improve the structural strength of the product,

[0083] In some embodiments, the present application configures a random drafting machine behind the cross-lapping machine, and through the multi-stage small multiple drafting action of the random drafting machine, some of the first fibers arranged along the first direction X are pulled into the second direction Y or arranged toward the second direction Y, so that the fiber web is made random. The random drafting machine used in the embodiment of the present application is configured with five groups of roller assemblies, which then form five drafting zones, and each group of roller assemblies includes three rollers; in a group of roller assemblies, three rollers form a group of drafting roller transmission system, and the gear ratio of each roller transmission member is set to 38:37:36. The specific drafting quantity can be adjusted according to actual needs to ensure the straightness and parallelism of the fibers.

[0084] The second direction Y forms an angle with the first direction X, and the angle between the second direction Y and the first direction X may be, but is not limited to, 90°, 60°, 45°, 30°, etc.

[0085] After the stretching is completed, the fiber web is fixed by one or more processes such as needling, hydroentanglement, thermal bonding, and chemical bonding to obtain a non-woven fabric with a stronger structure, better dimensional stability and elasticity.

[0086] In some embodiments, the material used for the first fiber is a mixture of one or more natural fibers, renewable fibers, and synthetic fibers; wherein the natural fiber is a mixture of one or more cotton fibers, hemp fibers, coconut shell fibers, wood pulp fibers, bamboo fibers, wool fibers, and silk fibers. The renewable fiber is a mixture of one or more viscose fibers, lyocell fibers, and cuprammonium fibers. The synthetic fiber is a mixture of one or more polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polyamide (PA), and polylactic acid (PLA).

[0087] In some embodiments, after obtaining the non-woven fabric made of the first fiber, the non-woven fabric is cut to obtain the first cotton body 101 of any shape and size.

[0088] It can be understood that the shape of the first cotton body 101 can be, but is not limited to, circular, rectangular, elliptical, or diamond-shaped.

[0089] In some embodiments, the first direction X is perpendicular to the second direction Y. During the cutting process, one of the first direction X and the second direction Y is used as the length direction of the first cotton body 101 , and the other of the first direction X and the second direction Y is used as the width direction of the first cotton body 101 .

[0090] It can be understood that the first direction X is perpendicular to the second direction Y, and the drafting effect is better, so that the fiber distribution is more chaotic. During the cutting process, the first cotton body 101 is cut based on the first direction X and the second direction Y, so that the length direction and the width direction of the first cotton body 101 can correspond to the first direction X and the second direction Y respectively, so that the degree of chaotic distribution of the first fibers in the first cotton body 101 is consistent with the degree of chaotic distribution of the first fibers in the non-woven fabric, and the liquid is easier to spread on the first cotton body 101.

[0091] It can be understood that the length direction of the first cotton body 1 does not specify the extension direction of the longest side of the first cotton body 1 in the horizontal cross-sectional figure; the length direction generally refers to the direction in which the first cotton body 1 is longer or mainly extends in the horizontal cross-sectional figure. The dimension in this direction is the main component of the dimension of the first cotton body 1 in the horizontal cross-sectional figure, and has an important influence on the overall shape and size of the figure. The width direction is perpendicular to the length direction. For example, if the first cotton body 1 is a rectangle in the horizontal cross-sectional figure, the length direction refers to the direction of the longer side; or, if the first cotton body 1 is a circle in the horizontal cross-sectional figure, the length direction is the direction of the diameter in the circle that is parallel to the first direction X or the second direction.

[0092] In some embodiments, the breaking strength value of the first cotton body 101 in the first direction X is defined as D1, and the breaking strength value of the first cotton body 101 in the second direction Y is defined as D2; wherein,

[0093] If the length-to-width ratio of the first cotton body 101 to be cut is equal to 1, D1 / D2 approaches 1.

[0094] refer to Figure 8, it can be understood that if the aspect ratio of the first cotton body 101 to be cut is equal to 1, that is, the shape of the first cotton body 101 to be cut is a circle, a square, a regular rhombus, etc.; a random drafting machine is configured. The random drafting machine used in the embodiment of the present application is configured with five groups of roller assemblies, and then five drafting zones are formed, and the drafting multiple of each drafting zone is set to 1.055. Through the drafting process, the arrangement degree of the first fibers in the non-woven fabric after drafting along the first direction X is close to the arrangement degree of the first fibers along the second direction Y. The prepared non-woven fabric is cut along the first direction X or the second direction Y to obtain the first cotton body 101, so that the breaking strength value D1 of the first cotton body 101 in the first direction X and the breaking strength value D2 in the second direction Y are close, and then the fiber web disorder of the first cotton body 101 is high, and the first fibers are randomly distributed in all directions; therefore, the first cotton body 101 is formed with continuous "microporous channels" in all directions (including the first direction X and the second direction Y) in the horizontal direction. This facilitates the liquid to transfer and diffuse horizontally from the center to the surrounding areas on the first cotton body 101 .

[0095] In some other embodiments, the length-to-width ratio of the first cotton body 101 to be cut is greater than 1, and the first direction is the length direction of the first cotton body 101 ; then D1 / D2 is greater than 1.

[0096] refer to Fig. 9 Specifically, when the outer contour shape of the first cotton body 101 to be cut is a rectangle, an ellipse or other shape with a clear difference in length and width, and the length direction of the first cotton body 101 is the first direction X; a random drafting machine is configured. The random drafting machine used in the embodiment of the present application is configured with five groups of roller assemblies, which then form five drafting zones, and the drafting multiple range of each drafting zone is set to 1.307-1.620; through the drafting process, the breaking strength value D1 of the first fiber in the non-woven fabric after the fiber web is drafted in the first direction X is greater than the first fiber in the second direction Y The breaking strength value D2 of the nonwoven fabric is obtained by cutting the prepared nonwoven fabric along the first direction X to obtain the first cotton body 101, that is, more first fibers in the first cotton body 101 are arranged along the first direction X, and the first cotton body 101 forms more continuous "microporous channels" along the first direction X in the horizontal direction; when the liquid is transferred in the horizontal direction on the first cotton body 101, the transfer speed of the liquid along the first direction X is faster, that is, the liquid is ensured to be transferred faster along the length direction of the first cotton body 101 in the horizontal plane, and the liquid diffusion rate of the first cotton body 101 is further improved.

[0097] In some other embodiments, the length-to-width ratio of the first cotton body 101 to be cut is greater than 1, and the second direction is the length direction of the first cotton body 101 ; then D1 / D2 is less than 1.

[0098] Specifically, when the outer contour of the first cotton body 101 is a rectangle, an ellipse or other shape with a clear difference in length and width, and the length direction of the first cotton body 101 is the second direction Y; a random drafting machine is configured. The random drafting machine used in the embodiment of the present application is configured with five groups of roller assemblies, which then form five drafting zones, and the drafting multiple range of each drafting zone is set to 1.307-1.620. Through the drafting process, the breaking strength value D1 of the first fiber in the non-woven fabric in the first direction X after the web is drafted is made smaller than the breaking strength value D2 of the first fiber in the second direction Y; the prepared non-woven fabric is cut along the second direction to obtain the first cotton body 101, that is, more first fibers in the first cotton body 101 will be arranged along the second direction Y, and the first cotton body 101 will form more continuous "microporous channels" along the second direction Y in the horizontal direction; when the liquid is transferred in the horizontal direction on the first cotton body 101, the transfer speed of the liquid along the second direction Y is faster, that is, the liquid is ensured to be transferred faster along the length direction of the first cotton body 101 in the horizontal plane, and the liquid conduction rate of the first cotton body 101 is further improved.

[0099] It can be understood that after the first fiber is made into the first cotton body 101 , a through hole 7 is opened on the first cotton body 101 , and the size of the through hole 7 is set accordingly according to the size of the atomizer 1000 .

[0100] In some embodiments, the thickness range of the first cotton body 101 is configured as: 0.5-5 mm. Specifically, the thickness of the first cotton body 101 can be set to any one of 0.5 mm, 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, and 5 mm.

[0101] In some other embodiments, the density range of the first cotton body 101 is configured as: 50-200 kg / m 3 Specifically, the density of the first cotton body 101 can be set to 50kg / m 3 , 70kg / m 3 , 75kg / m 3 , 100kg / m 3 , 125kg / m 3 , 150kg / m 3 、175kg / m 3 , 200kg / m 3 Any one of .

[0102] refer to Figure 1 , Figure 2The horizontal direction referred to in this application is perpendicular to the axial direction of the atomizer 1000. The liquid absorbent cotton 1 is arranged in the atomizer 1000 along the horizontal direction. After the center of the liquid absorbent cotton 1 first absorbs the condensed liquid, the liquid will diffuse and transfer to the surrounding areas along the horizontal direction on the liquid absorbent cotton 1. The first fibers are randomly distributed in the horizontal direction, that is, the first fibers in the first cotton body 101 can form multiple "microporous channels" arranged in different directions in the horizontal direction, which is conducive to the rapid transfer of liquid from the center of the first cotton body 1001 to the surrounding areas on the horizontal plane. Then, after the first cotton body 101 absorbs the aerosol matrix, the aerosol matrix can be quickly transferred and diffused on the first cotton body 101 along the horizontal direction.

[0103] S102, preparing a second cotton body 102; obtaining second fibers, horizontally laying the second fibers along a first direction X, stretching, shaping, and cutting the second fibers along a second direction Y, to obtain a second cotton body 102 with a density greater than that of the first cotton body;

[0104] It can be understood that before the second fibers are laid, the second fibers are processed in advance: the second fiber raw materials are opened in advance by an opener, and the opened second fiber assembly is loosened by a carding machine, so as to improve the separation degree of the second fibers while minimizing the loss of the second fibers, so that the second fiber bundles are relatively perfectly separated into single fiber states. This is a conventional operation in the existing fiber spinning technology, and this application will not elaborate on it in detail.

[0105] Specifically, in the horizontal direction, the processed second fibers are laid, and the laying process is a process of forming a single-layer or multi-layer nonwoven web with the second fibers by mechanical methods. It can be understood that the embodiment of the present application uses a laying machine to lay the fibers, which is a conventional technology in the current textile field, and the laying machine can set the arrangement direction of the first fibers after the first fibers form a web.

[0106] In some embodiments, the second fibers are laid along the first direction X by a cross-lapper, that is, most of the second fibers in the laid fiber web are arranged along the first direction X.

[0107] It can be understood that in order to improve the structural strength of the product, the laid fiber web is stretched along the second direction Y, and some of the first fibers arranged along the first direction X are pulled to be arranged along the second direction Y or tending to the second direction Y, so that the fiber web is disordered and the disorder of the fiber web is improved; specifically, the uniformity of the number of fibers arranged in various directions of the fiber web is called the disorder, and the higher the disorder, the more uniform the fibers are arranged in various directions.

[0108] In some embodiments, the present application configures a random drafting machine behind the cross-lapping machine, and through the multi-stage small multiple drafting action of the random drafting machine, part of the second fibers arranged along the first direction X are pulled into the second direction Y or arranged toward the second direction Y, so that the fiber web is made random. The random drafting machine used in the embodiment of the present application is equipped with five groups of roller assemblies, which then form five drafting zones, and each group of roller assemblies includes three rollers; in a group of roller assemblies, three rollers form a group of drafting roller transmission system, and the gear ratio of each roller transmission member is set to 38:37:36. The specific drafting quantity can be adjusted according to actual needs to ensure the straightness and parallelism of the fibers.

[0109] The second direction Y forms an angle with the first direction X, and the angle between the second direction Y and the first direction X may be, but is not limited to, 90°, 60°, 45°, or 30°.

[0110] After the stretching is completed, the fiber web is fixed by one or more processes such as needling, hydroentanglement, thermal bonding, and chemical bonding to obtain a non-woven fabric with a stronger structure, better dimensional stability and elasticity.

[0111] In some embodiments, the material used for the second fiber is a mixture of one or more natural fibers, renewable fibers, and synthetic fibers; wherein the natural fiber is a mixture of one or more cotton fibers, hemp fibers, coconut shell fibers, wood pulp fibers, bamboo fibers, wool fibers, and silk fibers. The renewable fiber is a mixture of one or more viscose fibers, lyocell fibers, and cuprammonium fibers. The synthetic fiber is a mixture of one or more polyethylene terephthalate (PET), polyethylene (PE), polypropylene (PP), polyamide (PA), and polylactic acid (PLA).

[0112] In some embodiments, after the non-woven fabric is obtained, the non-woven fabric is cut to obtain the second cotton body 102 of any shape and size.

[0113] The shape of the second cotton body 102 may be, but is not limited to, circular, rectangular, elliptical, or diamond-shaped.

[0114] In some embodiments, the thickness range of the second cotton body 102 is configured as: 0.5-5 mm. Specifically, the thickness of the second cotton body 102 can be set to any one of 0.5 mm, 1 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm, 3.5 mm, 4 mm, 4.5 mm, and 5 mm.

[0115] refer to Figure 3The first cotton body 101 is embedded in the second cotton body 102. Preferably, the thickness of the second cotton body 102 is configured to be greater than or equal to the thickness of the first cotton body 101. It can be understood that the second cotton body 102 covers the first cotton body 101 in all directions, and the liquid absorbed by the first cotton body 101 can be transferred to the surrounding second cotton body 102, thereby improving the diffusion effect of the liquid on the absorbent cotton.

[0116] In some other embodiments, the density range of the second cotton body 102 is configured as: 150-200 kg / m 3 Specifically, the density of the second cotton body 102 can be set to 150kg / m 3 , 160kg / m 3 、170kg / m 3 、180kg / m 3 , 190kg / m 3 , 200kg / m 3 The density of the second cotton body 102 is greater than that of the first cotton body 101, and a density difference is formed between the two. The liquid absorbed by the first cotton body 101 will be actively and continuously transferred to the surrounding second cotton body 102 driven by the density difference and the capillary action of the fibers, which is conducive to the rapid diffusion and transfer of the liquid from the center of the absorbent cotton 1 to the surrounding areas, thereby increasing the liquid absorption rate and achieving a better liquid absorption effect.

[0117] refer to Figure 8 In some embodiments, the steps of laying the second fiber along the first direction X, stretching, shaping and cutting the second fiber along the second direction Y include:

[0118] The first direction X is perpendicular to the second direction Y. During the cutting process, one of the first direction X and the second direction Y is used as the length direction of the second cotton body 102 , and the other of the first direction X and the second direction Y is used as the width direction of the second cotton body 102 .

[0119] It can be understood that the first direction X is perpendicular to the second direction Y, and the drafting effect is better, so that the fiber distribution is more chaotic. During the cutting process, the second cotton body 102 is cut based on the first direction X and the second direction Y, so that the length direction and the width direction of the second cotton body 102 can correspond to the first direction X and the second direction Y respectively, and the degree of the second fiber chaotic distribution in the second cotton body 102 is consistent with the degree of the second fiber chaotic distribution in the non-woven fabric, and the liquid is easier to spread on the second cotton body 102.

[0120] In some embodiments, along the first direction X, the distance between the outer edge of the second cotton body 102 and the outer edge of the first cotton body 101 is L1, and along the second direction Y, the distance between the outer edge of the second cotton body 102 and the outer edge of the first cotton body 101 is L2.

[0121] refer to Fig.12 In some embodiments, if L1 is equal to L2, the breaking strength value of the second cotton body 102 in the first direction X is close to the breaking strength value in the second direction Y.

[0122] It can be understood that if L1 is equal to L2, that is, the outer edge of the second cotton body 102 is equidistant from the outer edge of the first cotton body 101; after the liquid is transferred from the first cotton body 101 to the second cotton body 102, the transfer range of the liquid in the second cotton body 102 in the first direction X is close to the transfer range of the liquid in the second direction Y. The random drafting machine is configured. The random drafting machine used in the embodiment of the present application is configured with five groups of roller assemblies, which then form five drafting zones, and the drafting multiple of each drafting zone is set to 1.055. Through the drafting process, the arrangement degree of the second fibers in the nonwoven fabric after drafting along the first direction X is close to the arrangement degree of the first fibers along the second direction Y; the prepared nonwoven fabric is cut along the first direction X or the second direction Y to obtain the second cotton body 102, that is, the breaking strength value of the second cotton body 102 in the first direction X is close to the breaking strength value in the second direction Y; therefore, the second cotton body 102 forms continuous "microporous channels" in all directions (including the first direction X and the second direction Y) in the horizontal direction. It is beneficial for the liquid to transfer and diffuse from the outer edge of the first cotton body 101 to the surroundings in the horizontal direction on the second cotton body 102.

[0123] refer to Fig.10 In some other embodiments, if L1 is greater than L2, the breaking strength of the second cotton body 102 in the first direction X is greater than the breaking strength in the second direction Y.

[0124] Understandably, reference Fig.10 , if L1 is greater than L2, after the liquid is transferred from the first cotton body 101 to the second cotton body 102, the transfer area of ​​the liquid in the second cotton body 102 in the first direction X is greater than the transfer area of ​​the liquid in the second direction Y; a random drafting machine is configured. The random drafting machine used in the embodiment of the present application is configured with five groups of roller assemblies, which then form five drafting zones, and the drafting multiple range of each drafting zone is set to 1.307-1.620; through the drafting process, the breaking strength value D1 of the second fiber in the non-woven fabric after the fiber web is drafted in the first direction X is greater than the breaking strength value D2 of the second fiber in the second direction Y The prepared nonwoven fabric is cut along the first direction X to obtain the second cotton body 102, so that the breaking strength value of the second cotton body 102 in the first direction X is greater than the breaking strength value in the second direction Y, that is, more second fibers in the second cotton body 102 are arranged along the first direction X, and the second cotton body 102 forms more continuous "microporous channels" arranged along the first direction X in the horizontal direction; when the liquid is transferred in the horizontal direction on the second cotton body 102, the transfer speed of the liquid along the first direction X is ensured to be faster, thereby further improving the liquid conduction rate of the second cotton body 102.

[0125] refer to Fig.11 In some embodiments, if L1 is smaller than L2, the breaking strength of the second cotton body 102 in the first direction X is smaller than the breaking strength in the second direction Y.

[0126] Specifically, if L1 is less than L2, after the liquid is transferred from the first cotton body 101 to the second cotton body 102, the transfer area of ​​the liquid in the second cotton body 102 in the first direction X is smaller than the transfer area of ​​the liquid in the second direction Y; then, during the stretching process, a random stretching machine is configured. The random stretching machine used in the embodiment of the present application is configured with five groups of roller assemblies, which then form five stretching zones, and the stretching multiple range of each stretching zone is set to 1.307-1.620. Through the drafting process, the breaking strength value of the second fibers in the non-woven fabric after the web is drafted in the first direction X is smaller than the breaking strength value of the second fibers in the second direction Y; the obtained non-woven fabric is cut along the second direction to obtain the second cotton body 102, and the breaking strength value of the second cotton body 102 in the first direction X is smaller than the breaking strength value of the second cotton body 102 in the second direction Y, that is, more second fibers in the second cotton body 102 will be arranged along the second direction Y, and the second cotton body 102 will form more continuous "microporous channels" arranged along the second direction Y in the horizontal direction; when the liquid is transferred in the horizontal direction on the second cotton body 102, the transfer speed of the liquid in the second direction Y is ensured to be faster, and the liquid conduction rate of the second cotton body 102 is further improved.

[0127] refer to Figure 1 , the horizontal direction referred to in this application is perpendicular to the axial direction of the atomizer 1000, the liquid absorbent cotton 1 is arranged in the atomizer 1000 along the horizontal direction, and after the center of the liquid absorbent cotton 1 first absorbs the condensed liquid, the liquid will diffuse and transfer in the horizontal direction on the liquid absorbent cotton 1. The liquid on the first cotton body 101 will be transferred to the second cotton body 102 in the surrounding direction. Since the second fibers are randomly distributed in the horizontal direction, that is, the second fibers in the second cotton body 102 can form multiple "microporous channels" arranged in different directions in the horizontal direction, it is beneficial for the liquid to be quickly transferred along the second cotton body 102 on the horizontal plane. Then, after the first cotton body 101 absorbs the aerosol matrix, the aerosol matrix on the first cotton body 101 can be quickly transferred to the second cotton body 102, and transferred in all directions on the second cotton body 102 along the horizontal direction.

[0128] S103 , providing an embedding groove 8 on the second cotton body 102 for accommodating the first cotton body 101 .

[0129] Specifically, after the second cotton body 102 is manufactured and formed, an embedding groove 8 is provided at the center of the second cotton body 102 , and the first cotton body 101 can be embedded in the embedding groove 8 ; the embedding groove 8 is specifically a hollow groove.

[0130] refer to Figure 4-Figure 6 Specifically, the outer peripheral shape of the first cotton body 101 can be set to any shape such as a circle, an ellipse, a polygon, etc., which is not specifically limited here; the shape of the embedding groove 8 is configured to match the outer peripheral shape of the first cotton body 101. The outer peripheral shape of the second cotton body 102 can also be set to any shape such as a circle, an ellipse, a polygon, etc., so that the first cotton body 101 can be embedded in the second cotton body 102.

[0131] S104 , combining the first cotton body 101 and the second cotton body 102 together; the first cotton body 101 is embedded in the embedding groove 8 of the second cotton body 102 , so that the outer periphery of the first cotton body 101 contacts the inner periphery of the second cotton body 102 in the embedding groove 8 .

[0132] refer to Figure 3 , Figure 4 Specifically, both the first cotton body 101 and the second cotton body 102 are separate cotton body structures, that is, the two are split structures; after the first cotton body 101 and the second cotton body 102 are manufactured separately, the first cotton body 101 is embedded in the embedding groove 8 on the second cotton body 102 so that the two are combined to form the liquid-absorbing cotton 1; the structural combination is simple and convenient, which is conducive to manual assembly and saves product manufacturing costs.

[0133] In some embodiments, the embedding groove 8 is configured to perform interference fit with the first cotton body 101 .

[0134] It can be understood that the first cotton body 101 is interference-fitted in the embedded groove 8, so that the first fibers of the first cotton body 101 are in close contact with the second fibers of the second cotton body 102, which is more conducive to the transfer of liquid from the first cotton body 101 to the second cotton body 102 under capillary action, thereby improving the liquid absorption and diffusion capacity of the absorbent cotton 1.

[0135] In some embodiments, after the first cotton body 101 is embedded in the embedding groove 8 of the second cotton body 102 , the first fibers at the outer periphery of the first cotton body 101 are further connected with the second fibers at the inner periphery of the embedding groove 8 of the second cotton body 102 .

[0136] Specifically, after the first cotton body 101 is embedded in the second cotton body 102, the first fibers of the first cotton body 101 and the second fibers of the second cotton body 102 are intertwined or bonded together by one or more of acupuncture, hydroentanglement, thermal bonding, and chemical bonding processes, so that the fibers between the first cotton body 101 and the second cotton body 102 are interconnected, thereby improving the structural stability and effectively preventing the first cotton body 101 from being separated from the embedded groove of the second cotton body 102.

[0137] It can be understood that the first fibers of the first cotton body 101 located at the outer periphery and the second fibers of the second cotton body 102 located at the inner periphery of the embedded groove 8 form a connection relationship, so that the capillary action between the fibers of the first cotton body 101 and the second cotton body 102 is better, and the liquid transfer effect is better. And because the first fibers and the second fibers are respectively distributed in the horizontal direction, a horizontally continuous "microporous channel" can be formed between the first fibers and the second fibers, so that the liquid can be quickly transferred and spread from the first cotton body 101 to the second cotton body 102 in the horizontal direction, the liquid flow effect between the first cotton body 101 and the second cotton body 102 is good, and the oil conduction rate of the liquid-absorbing cotton 1 is improved.

[0138] In addition, when the liquid absorbent cotton 1 has a structure of more than two layers, that is, the liquid absorbent cotton 1 includes a first liquid absorbent cotton 101 and a plurality of second liquid absorbent cottons 102 which are stacked in layers; the contact surface between adjacent first liquid absorbent cotton 101 and second liquid absorbent cotton 102 is achieved by fiber interlacing or bonding together by one or more of acupuncture, hydroentanglement, thermal bonding, and chemical bonding processes; and the contact surface between two adjacent second liquid absorbent cottons 102 is also achieved by fiber interlacing or bonding together by one or more of acupuncture, hydroentanglement, thermal bonding, and chemical bonding processes.

[0139] In some embodiments, the first fibers at the outer periphery 101 of the first cotton body are connected with the second fibers at the outer periphery of the second cotton body 102 by needle punching and / or hydroentanglement, and the angle between the needle punching direction and the horizontal plane is in the range of 0°-90°.

[0140] The oblique needling process is adopted to make the first fibers and the second fibers more easily entangled and more firmly connected. The angle between the needling direction and the horizontal plane is preferably 30° or 60°.

[0141] In some embodiments, the present application also provides a solution of the present application, in which the liquid absorption and diffusion effect of the liquid absorbent cotton 1 formed by combining the first cotton body 101 and the second cotton body 102 is tested respectively; and the liquid absorption and diffusion effect of the liquid absorbent cotton with a single-layer cotton body structure in the prior art.

[0142] The specific test operation is: place the absorbent cotton 1 flat on the table, use a pipette to absorb 50ul of aerosol matrix, and slowly drip it along the inner wall of the through hole 7 of the first cotton body 101, and measure the diffusion length of the aerosol matrix on the absorbent cotton 1 after 30s.

[0143] Among them, all basic parameters are consistent;

[0144] In the present application, the first cotton body 101 is a circular structure with an inner diameter of 3.5 mm and an outer diameter of 5.5 mm; the second cotton body is a rectangular structure with an inner diameter of 5.5 mm, a length of 10 mm, and a width of 8 mm. Both the first cotton body 101 and the second cotton body 102 are made of PET fiber (polyester fiber).

[0145] When the liquid absorbent cotton is only a single-layer cotton structure, the liquid absorbent cotton is uniformly a rectangular structure with an inner diameter of 3.5 mm, a length of 10 mm, and a width of 8 mm; and the liquid absorbent cotton is made of PET fiber (polyester fiber).

[0146] The aerosol matrix used is PG (Propylene Glycol): VG (Vegetable Glycerin) = 5:5 e-liquid.

[0147] Data of each absorbent cotton 1 under the technical solution of this application:

[0148]

[0149] Table 1

[0150] The absorbent cotton has a single-layer cotton structure:

[0151]

[0152] Table 2

[0153] By comparing data 1, data 2, data 3 in Table 1 with data 1, data 2, data 3 in Table 2, we can see that:

[0154] Compared with the liquid-absorbing cotton with a single-layer cotton structure, the liquid-absorbing cotton 1 with a gradient density design formed by the combination of the first cotton body 101 and the second cotton body 102 in the present application has a longer liquid absorption diffusion length, that is, the oil absorption rate and diffusion transfer ability of the liquid-absorbing cotton 1 are better, and the liquid absorption ability is stronger; then the liquid-absorbing cotton 1 provided by the present application is applied to the atomizer 1000, which can effectively reduce the risk of leakage.

[0155] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A method for preparing liquid-absorbing cotton, characterized in that: The following steps are involved: Making a first cotton body; obtaining first fibers, horizontally laying the first fibers along a first direction, stretching, shaping and cutting the first fibers along a second direction, to obtain the first cotton body having a through hole at a center position; the first direction and the second direction form an angle; Making a second cotton body; obtaining second fibers, horizontally laying the second fibers along the first direction, stretching, shaping and cutting the second fibers along the second direction to obtain the second cotton body having a density greater than that of the first cotton body; Making an embedding groove on the second cotton body for accommodating the first cotton body; The first cotton body is combined with the second cotton body; the first cotton body is embedded in the embedding groove of the second cotton body so that the outer periphery of the first cotton body contacts the inner periphery of the second cotton body in the embedding groove.

2. The method for preparing the liquid absorbent cotton according to claim 1, characterized in that: The thickness of the second cotton body is configured to be greater than or equal to the thickness of the first cotton body; wherein, The thickness range of the first cotton body is configured as: 0.5mm-5mm; The thickness of the second cotton body is configured to range from 0.5 mm to 5 mm.

3. The method for preparing the liquid absorbent cotton according to claim 1, characterized in that: The density range of the first cotton body is configured as: 50-200kg / m 3 ;as well as, The density range of the second cotton body is configured as: 150-300kg / m 3 .

4. The method for preparing the liquid absorbent cotton according to claim 1, characterized in that: The steps of laying the first fibers along the first direction, stretching, shaping and cutting the first fibers along the second direction include: The first direction is perpendicular to the second direction. During the cutting process, one of the first direction and the second direction is used as the length direction of the first cotton body, and the other of the first direction and the second direction is used as the width direction of the first cotton body.

5. The method for preparing the liquid absorbent cotton according to claim 4, characterized in that: The breaking strength value of the first cotton body in the first direction is defined as D1, and the breaking strength value of the first cotton body in the second direction is defined as D2; wherein, If the length-to-width ratio of the first cotton body to be cut is equal to 1, D1 / D2 approaches 1.

6. The method for preparing the liquid absorbent cotton according to claim 4, characterized in that: The breaking strength value of the first cotton body in the first direction is defined as D1, and the breaking strength value of the first cotton body in the second direction is defined as D2; wherein, If the length-to-width ratio of the first cotton body to be cut is greater than 1, and the first direction is the length direction of the first cotton body; then D1 / D2 is greater than 1; or, If the length-to-width ratio of the first cotton body to be cut is greater than 1, and the second direction is the length direction of the second cotton body; then D1 / D2 is less than 1.

7. The method for preparing liquid absorbent cotton according to claim 1, characterized in that: The steps of laying the second fibers along the first direction, stretching, shaping and cutting the second fibers along the second direction include: The first direction is perpendicular to the second direction; during the cutting process, one of the first direction and the second direction is used as the length direction of the second cotton body, and the other of the first direction and the second direction is used as the width direction of the second cotton body.

8. The method for preparing liquid absorbent cotton according to claim 7, characterized in that: Along the first direction, the distance between the outer edge of the second cotton body and the outer edge of the first cotton body is L1, and along the second direction, the distance between the outer edge of the second cotton body and the outer edge of the first cotton body is L2; ​​wherein, If L1 is equal to L2, the breaking strength value of the second cotton body in the first direction is close to the breaking strength value of the second cotton body in the second direction; If L1 is greater than L2, the breaking strength of the second cotton body in the first direction is greater than the breaking strength in the second direction; If L1 is smaller than L2, the breaking strength value of the second cotton body in the first direction is smaller than the breaking strength value in the second direction.

9. The method for preparing liquid absorbent cotton according to claim 1, characterized in that: The material of the first fiber is a mixture of one or more of natural fiber, renewable fiber and synthetic fiber; and / or, The material used for the second fiber is a mixture of one or more of natural fibers, renewable fibers, and synthetic fibers.

10. The method for preparing liquid absorbent cotton according to claim 1, characterized in that: The step of making a groove for accommodating the first cotton body on the second cotton body includes: An embedding groove matching the contour shape of the outer peripheral edge of the first cotton body is provided at the center of the second cotton body, and the embedding groove is used for interference fit with the first cotton body.

11. The method for preparing the liquid absorbent cotton according to any one of claims 1 to 10, characterized in that: After the first cotton body is embedded in the embedding groove of the second cotton body so that the outer periphery of the first cotton body contacts the inner periphery of the second cotton body in the embedding groove; the method further includes: The first fibers at the outer periphery of the first cotton body are connected with the second fibers at the inner periphery of the second cotton body.

12. The method for preparing liquid absorbent cotton according to claim 11, characterized in that: The step of connecting the first fibers at the outer periphery of the first cotton body with the second fibers at the inner periphery of the second cotton body at the embedded groove includes: The first fibers at the outer peripheral edge of the first cotton body are connected with the second fibers at the outer peripheral edge of the second cotton body by one or more of acupuncture, hydroentanglement, thermal bonding, and chemical bonding processes.

13. The method for preparing liquid absorbent cotton according to claim 12, characterized in that: The step of connecting the first fibers at the outer periphery of the first cotton body with the second fibers at the inner periphery of the second cotton body at the embedded groove includes: connecting the first fibers at the outer periphery of the first cotton body and the second fibers at the outer periphery of the second cotton body by needle punching and / or hydroentanglement, and, The angle between the acupuncture direction and the horizontal plane ranges from 0° to 90°.

14. A liquid absorbent cotton obtained by the preparation method of the liquid absorbent cotton as described in any one of claims 1 to 13, characterized in that: The liquid-absorbing cotton comprises a first cotton body with through holes and a second cotton body covering the first cotton body; the density of the first cotton body is less than that of the second cotton body.

15. An atomizer, characterized in that: It comprises a shell component, an atomizing core arranged in the shell component and the liquid absorbent cotton as claimed in claim 14; the shell component is specifically a suction nozzle portion, and an air outlet channel connected between the atomizing core and the suction nozzle portion and a liquid storage tank for storing aerosol matrix are formed in the shell component, and the liquid storage tank is used to supply liquid to the atomizing core; the liquid absorbent cotton is horizontally arranged at the confluence of the air outlet channel and the suction nozzle portion, and the through hole of the liquid absorbent cotton is connected to the air outlet channel.

Images