阅读说明：本技术 一种天然抑菌棉条制备方法 (Preparation method of natural antibacterial cotton sliver ) 是由 华莉云 黄翠玉 曾居娜 于 2020-08-20 设计创作，主要内容包括：本发明涉及一种天然抑菌棉条制备方法,它主要解决了现有技术中卫生棉条的抑菌效果差以及舒适性差的问题,包括以下步骤：1)制备吸收芯一；2)制备吸收芯二；3)将步骤1制成的吸收芯一连续输送；4)将步骤2制成的吸收芯二输送并分切成单个吸收体一,并将该吸收体一沿纵向方向间隔添加于吸收芯一的上表面上；5)将步骤4的吸收体一未与吸收芯一接触的区域向下弯折且包覆于吸收芯一的下表面上；6)将已加工完成的卷状的吸水性无纺布放卷,并包覆于步骤4的制品上形成吸收体二；7)将步骤6的吸收体二的横向一侧向上弯折且贴附在吸收体二的上表面上形成弯折部一,该弯折线A沿纵向方向分布且位于吸收体二的纵向中轴线与弯折部一之间。(The invention relates to a preparation method of a natural antibacterial cotton sliver, which mainly solves the problems of poor antibacterial effect and poor comfort of the prior art, and comprises the following steps: 1) preparing a first absorption core; 2) preparing a second absorption core; 3) continuously conveying the absorbent cores prepared in the step 1; 4) conveying and cutting the second absorbent core manufactured in the step 2 into single first absorbents, and adding the first absorbents on the upper surface of the first absorbent core at intervals along the longitudinal direction; 5) bending the area of the first absorption body in the step 4, which is not contacted with the first absorption core, downwards and coating the area on the lower surface of the first absorption core; 6) unreeling the processed roll-shaped water-absorbent non-woven fabric, and coating the processed roll-shaped water-absorbent non-woven fabric on the product obtained in the step (4) to form a second absorber; 7) and (4) bending one transverse side of the second absorber obtained in the step (6) upwards and attaching the transverse side to the upper surface of the second absorber to form a first bending part, wherein the bending line A is distributed along the longitudinal direction and is positioned between the longitudinal central axis of the second absorber and the first bending part.)

1. A preparation method of a natural antibacterial cotton sliver is characterized by comprising the following steps: the method comprises the following steps:

1) preparing a first absorption core, wherein the first absorption core is a cotton-containing non-woven fabric, the non-woven fabric comprises cotton fibers, bamboo fibers and hemp fibers, the ratio of the bamboo fibers to the hemp fibers is 40% -80%, and the fiber fineness is 1.5-4 dtex;

2) preparing a second absorbent core, wherein the width dimension of the second absorbent core is 2 times larger than that of the first absorbent core;

3) continuously conveying the absorbent core manufactured in the step 1, defining the conveying direction of the absorbent core I as a longitudinal direction, and extending the width direction of the absorbent core I as a transverse direction;

4) conveying and cutting the second absorption core manufactured in the step 2 into single first absorption bodies, and adding the first absorption bodies on the upper surface of the first absorption core at intervals along the longitudinal direction, wherein one end of a transverse line of the first absorption body is aligned with one transverse end of the first absorption core, and the other transverse end of the first absorption body extends outwards and is added with a pull rope;

5) bending the area of the first absorption body in the step 4, which is not contacted with the first absorption core, downwards and coating the area on the lower surface of the first absorption core;

6) unreeling the processed roll-shaped water-absorbent non-woven fabric, and coating the processed roll-shaped water-absorbent non-woven fabric on the product obtained in the step (4) to form a second absorber;

7) bending one transverse side of the second absorber in the step 6 upwards and attaching the transverse side to the upper surface of the second absorber to form a first bending part, wherein the bending lines A are distributed along the longitudinal direction and are positioned between the longitudinal central axis of the second absorber and the first bending part;

8) bending the other transverse side of the second absorber in the step 7 upwards to enable the first bending part and the second absorber to be upwards tilted, covering the free end of the first bending part downwards, wherein the first bending part corresponds to the second bending part, and the bending lines B are distributed along the longitudinal direction and are symmetrically distributed with the bending lines A by taking the longitudinal central axis of the second absorber as an axis;

9) the product in the step 8 is inwards propped against the junction of the second bending part and the second absorption body through the top plate, so that the free end of the second bending part is downwards coated on the second absorption body and is compacted through a compacting device to form a columnar structure, and the free end of the first bending part is propped against the free end of the second bending part;

10) the product of step 9 is slit to form individual tampon products, the slit line being located between the first two absorbents.

2. The preparation method of the natural antibacterial cotton sliver according to claim 1, is characterized in that: and a first groove and a second groove which are longitudinally distributed are pressed on the two transverse sides of the second absorption body on the bending line A and the bending line B, and the first groove and the second groove are obliquely arranged along opposite directions.

3. The preparation method of the natural antibacterial tampon according to claim 1 or 2, characterized in that: the first absorption core sequentially comprises a first layer, a second layer and a third layer from top to bottom, wherein the proportion distribution of the fibrilia, the bamboo fiber and the cotton fiber on the first layer is 40%, 20% and 40%, the proportion distribution of the fibrilia, the bamboo fiber and the cotton fiber on the second layer is 30%, 30% and 40%, and the proportion distribution of the fibrilia, the bamboo fiber and the cotton fiber on the third layer is 20%, 20% and 60%.

4. The preparation method of the natural antibacterial cotton sliver according to claim 3, is characterized in that: the first bending part and the second bending part contact area form a concave part which is located in the middle of one side of the outer tube insertion end and extends towards the direction far away from the outer tube insertion end, the depth of the concave part along the axial direction of the tampon is 5-20 mm, and the width of the concave part along the radial direction of the tampon is 1-8 mm.

5. The preparation method of the natural antibacterial cotton sliver according to claim 4, is characterized in that: in the step 4, the ratio of the distance between two adjacent first absorbers in the longitudinal direction to the width of the first absorbers in the longitudinal direction is 1-3: 1.

Technical Field

The invention relates to the field of production of disposable hygienic products, in particular to a preparation method of a natural antibacterial cotton sliver.

Background

Compared with the traditional sanitary towel, the built-in use mode of the tampon has the advantages of full absorption, no side leakage and vaginal cleanness maintenance, and the comfort is obviously better than that of the sanitary towel with the shielding plastic backing, and the wearing and the movement are not influenced when the sanitary towel is used.

Prior tampons are mostly made of ordinary cotton fibers, and as disclosed in chinese patent application 201780037499.5, published as 2019, 26.04, a tampon comprises a substantially cylindrical absorbent body compressed peripherally and contained in a package or applicator, the absorbent body being formed by a rolled rectangular strip of absorbent material and comprising: a front end in the insertion direction of the tampon, a rear end from which the removal string extends, and side surfaces, the entire outer surface of the absorbent body, corresponding to the front end, the rear end, and the side surfaces, being formed by the absorbent nonwoven surface layer. Aiming at the discomfort caused by the fact that the tampon is difficult to take out when the amount of menstrual blood is small or the tampon rubs against the vagina, the technical scheme can avoid the discomfort caused by the fact that the absorbent fibers are adhered to the inner wall of the vagina by arranging the layer of the absorbent non-woven fabric on the outer side, and the absorbent non-woven fabric can be removed more smoothly.

However, the absorbent body as described above is formed by a rolled rectangular strip of absorbent material, and comprises an absorbent core and an absorbent nonwoven surface layer, when the absorbent nonwoven surface layer is rolled up with the absorbent core to form a cylindrical absorbent body, the absorbent nonwoven surface layer forms the entire outer surface of the absorbent body, completely concealing the absorbent core fibers of the absorbent core, the structure also enables the absorbent non-woven fabric to be coated in the middle of the absorbent core, the absorbent non-woven fabric plays a role of a separation layer, so that the integrity of the absorption core in the columnar absorption body is poor, the infiltration speed of liquid and the water locking effect are influenced, and the conventional tampon generally has grooves formed on its outer surface along its axial direction by heat pressing in order to increase the rate of liquid infiltration, the hardness of the surface of the tampon is increased through the process, and the comfort of use is greatly influenced.

In addition, the built-in structure and the use function mode of the tampon can enable the vagina to form a closed oxygen-free and oxygen-deficient environment more easily, so that anaerobic bacteria appear and multiply, and private infection and gynecological diseases of different degrees are brought to women in menstrual period.

Disclosure of Invention

Therefore, aiming at the problems, the invention provides a preparation method of a natural antibacterial cotton sliver, which mainly solves the problems of poor antibacterial effect and poor comfort of the prior art.

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

a preparation method of a natural antibacterial cotton sliver comprises the following steps:

1) preparing a first absorption core, wherein the first absorption core is a cotton-containing non-woven fabric, the non-woven fabric comprises cotton fibers, bamboo fibers and hemp fibers, the ratio of the bamboo fibers to the hemp fibers is 40% -80%, and the fiber fineness is 1.5-4 dtex;

2) preparing a second absorbent core, wherein the width dimension of the second absorbent core is 2 times larger than that of the first absorbent core;

3) continuously conveying the absorbent core manufactured in the step 1, defining the conveying direction of the absorbent core I as a longitudinal direction, and extending the width direction of the absorbent core I as a transverse direction;

4) conveying and cutting the second absorption core manufactured in the step 2 into single first absorption bodies, and adding the first absorption bodies on the upper surface of the first absorption core at intervals along the longitudinal direction, wherein one end of a transverse line of the first absorption body is aligned with one transverse end of the first absorption core, and the other transverse end of the first absorption body extends outwards and is added with a pull rope;

5) bending the area of the first absorption body in the step 4, which is not contacted with the first absorption core, downwards and coating the area on the lower surface of the first absorption core;

6) unreeling the processed roll-shaped water-absorbent non-woven fabric, and coating the processed roll-shaped water-absorbent non-woven fabric on the product obtained in the step (4) to form a second absorber;

7) bending one transverse side of the second absorber in the step 6 upwards and attaching the transverse side to the upper surface of the second absorber to form a first bending part, wherein the bending lines A are distributed along the longitudinal direction and are positioned between the longitudinal central axis of the second absorber and the first bending part;

8) bending the other transverse side of the second absorber in the step 7 upwards to enable the first bending part and the second absorber to be upwards tilted, covering the free end of the first bending part downwards, wherein the first bending part corresponds to the second bending part, and the bending lines B are distributed along the longitudinal direction and are symmetrically distributed with the bending lines A by taking the longitudinal central axis of the second absorber as an axis;

9) the product in the step 8 is inwards propped against the junction of the second bending part and the second absorption body through the top plate, so that the free end of the second bending part is downwards coated on the second absorption body and is compacted through a compacting device to form a columnar structure, and the free end of the first bending part is propped against the free end of the second bending part;

10) the product of step 9 is slit to form individual tampon products, the slit line being located between the first two absorbents.

Furthermore, a first groove and a second groove which are distributed along the longitudinal direction are pressed on the two transverse sides of the second absorption body on the bending line A and the bending line B, and the first groove and the second groove are obliquely arranged along opposite directions.

Further, the first absorption core sequentially comprises a first layer, a second layer and a third layer from top to bottom, the ratio distribution of the fibrilia, the bamboo fiber and the cotton fiber on the first layer is 40%, 20% and 40%, the ratio distribution of the fibrilia, the bamboo fiber and the cotton fiber on the second layer is 30%, 30% and 40%, and the ratio distribution of the fibrilia, the bamboo fiber and the cotton fiber on the third layer is 20%, 20% and 60%.

Furthermore, the contact area of the first bending part and the second bending part forms a concave part which is positioned in the middle of one side of the insertion end of the outer tube and extends towards the direction far away from the insertion end of the outer tube, the depth of the concave part along the axial direction of the tampon is 5 mm-20 mm, and the width of the concave part along the radial direction of the tampon is 1 mm-8 mm.

Further, in the step 4, the ratio of the distance dimension between two adjacent first absorbers in the longitudinal direction to the width dimension of the first absorbers in the longitudinal direction is 1-3: 1.

By adopting the technical scheme, the invention has the beneficial effects that: this natural antibacterial silver preparation method, through the absorbing core two that set up cut the absorber of formation and compound through foretell book a mode of rolling over and turn over and pass through the hydroscopicity non-woven fabrics cladding on it with absorbing core one, the diameter that the end is inserted in formation is less than the diameter at rear portion, be favorable to the insertion of tampon, and improve liquid absorption capacity and reduce, it makes the natural depressed part that forms of tampon to roll over the mode through this kind of a mode simultaneously, be favorable to the infiltration of liquid, compare through hot pressing recess in the past and have better compliance, the travelling comfort of use is improved, this kind of preparation mode is simple and convenient simultaneously, excellent in use effect, the production efficiency is greatly improved, the concrete embodiment is as:

the folding line A and the folding line B are respectively formed on two sides of the longitudinal central axis of the second absorption core, two ends of the second absorption core are sequentially folded along the folding line A and the folding line B, and then the second absorption core is downwards folded and attached to the first folding part and the second folding part to form a structure with a cross section similar to an ellipse;

after the composite absorber is bent, a concave part is formed outside the contact area of the first bending part and the second bending part, so that liquid can infiltrate downwards, an axial through hole is formed at the position where the inner part of the composite absorber is in contact with the first absorption layer, the through hole is closed after the composite absorber is bent under the action of the first absorption body, a good axial infiltration effect is formed, and the absorption speed of the liquid is improved;

the bending mode reduces the deformation amount of the first absorption layer and the first absorption body to the materials in the bending process, keeps the generated absorption amount as much as possible, and has better flexibility.

Drawings

FIG. 1 is a schematic view of a flow structure of an embodiment of the present invention in which an absorbent body I is combined with an absorbent core I;

FIG. 2 is a schematic view of a bending flow structure of a second absorbent body in an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional structural view of a tampon article in an embodiment of the present invention;

FIG. 4 is a schematic structural view of a tampon article according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of the first groove and the second groove distributed in the second absorber in the embodiment of the invention.

Detailed Description

The invention will now be further described with reference to the accompanying drawings and detailed description.

The embodiment of the invention is as follows:

a preparation method of a natural antibacterial cotton sliver comprises the following steps:

1) preparing an absorption core I1, wherein the absorption core I1 is a cotton-containing non-woven fabric, the components of the non-woven fabric are cotton fibers, bamboo fibers and hemp fibers, the ratio of the bamboo fibers to the hemp fibers is 53%, and the fiber fineness is 2.7 dtex; (ii) a

2) Preparing a second absorbent core, wherein the width dimension of the second absorbent core is 2 times larger than that of the first absorbent core 1;

3) continuously conveying the absorbent core I1 prepared in the step 1, wherein the conveying direction of the absorbent core I1 is defined as a longitudinal direction, and the width direction of the absorbent core I1 is defined as a transverse direction;

4) referring to fig. 1, the second absorbent core 2 produced in step 2 is conveyed and cut into individual first absorbents 2, and the first absorbents 2 are added to the upper surface of the first absorbent core 1 at intervals in the longitudinal direction, one end of the transverse line of the first absorbent core 2 is aligned with one transverse end a of the first absorbent core 1, and the other transverse end b thereof extends outward and is added with a pull rope 3;

5) bending the area, which is not contacted with the absorption core I1, of the absorption body I2 in the step 4 downwards and coating the area on the lower surface of the absorption core I1, wherein the ratio of the distance dimension c between two adjacent absorption bodies I2 in the longitudinal direction to the width dimension d of the absorption body I2 in the longitudinal direction is 2:1, so that the absorption bodies I2 can form a better structure to be matched with the inner cavity of the vagina after being distributed on the absorption layer I1, and the use comfort is improved;

6) unreeling the processed roll-shaped water-absorbent non-woven fabric, and coating the processed roll-shaped water-absorbent non-woven fabric on the product obtained in the step (4) to form a second absorber (4);

7) referring to fig. 2 and 3, the transverse side of the second absorbent body 4 in the step 6 is bent upward and attached to the upper surface of the second absorbent body 4 to form a first bending part 5, and the first bending lines a are distributed along the longitudinal direction and are located between the central longitudinal axis e of the second absorbent body 4 and the first bending part 5;

8) bending the other transverse side of the second absorber 4 in the step 7 upwards to enable the first bending part 5 and the second absorber 4 to be upwards tilted, and downwards coating the free end of the first bending part 5, wherein the first bending part 5 corresponds to a second bending part 6, and the bending lines B are distributed along the longitudinal direction and are symmetrically distributed with the longitudinal central axis e of the second absorber 4 as an axis and the bending lines A;

9) referring to fig. 4, the product in step 8 is pushed inwards against the junction of the second bending part 6 and the second absorbent body 4 through the top plate 7, so that the free end of the second bending part 6 is downward coated on the second absorbent body 4 and is compacted by a compacting device to form a columnar structure, the free end of the first bending part 5 is abutted against the free end of the second bending part 6, the contact area of the first bending part 5 and the second bending part 6 forms a concave part 8 which is positioned in the middle of the side of the insertion end of the outer tube and extends towards the direction far away from the insertion end of the outer tube, the depth dimension of the concave part 8 along the axial direction of the tampon is 5 mm-20 mm, preferably 12mm, and the width dimension of the concave part 8 along the radial direction of the tampon is 1 mm-8 mm, preferably 5 mm;

10) a layer of non-woven fabric 10 is thermally sealed and coated on the outer surface of the product in the step 9;

11) the product of step 10 is slit to form individual tampon products 9, the slit line f being located between the two absorbents one 2.

In this embodiment, referring to fig. 5, a first groove 11 and a second groove 12 are formed in the second absorber 4 on the two lateral sides of the bending line a and the bending line B, the first groove 11 and the second groove 12 are arranged in an inclined manner in opposite directions, and when the second absorber is bent along the bending line a or the bending line B, the first groove 11 and the second groove 12 form a yielding action, so that the amount of deformation of the material at the bending position is reduced, the flexibility of the material is maintained, and an axial gap is formed between the first groove 11 and the second groove 12 for infiltration of liquid, thereby increasing the absorption speed.

In the embodiment, the absorption core 1 sequentially comprises a first layer, a second layer and a third layer from top to bottom, the ratio distribution of the fibrilia, the bamboo fiber and the cotton fiber on the first layer is 40%, 20% and 40%, the ratio distribution of the fibrilia, the bamboo fiber and the cotton fiber on the second layer is 30%, 30% and 40%, the ratio distribution of the fibrilia, the bamboo fiber and the cotton fiber on the third layer is 20%, 20% and 60%, the absorption core 1 comprises the fibrilia, the bamboo fiber and the cotton fiber, so that the effect of inhibiting bacterial growth is achieved, the better absorption performance is kept, a larger gap is formed between the first layer and the inner wall contact area of the vagina by arranging the fibrilia and the bamboo fiber in a larger ratio, so as to store oxygen and prevent anaerobic bacteriostasis reaction, and a better environment is formed by combining the oxygen locked in the second layer and the third layer, the arranged fibrilia and bamboo fiber have the antibacterial effect, so that the antibacterial effect is improved; meanwhile, the proportion of the first layer of cotton fibers is small, so that the absorption capacity of the first layer of cotton fibers is relatively weak, and the problem that the comfort is reduced due to the fact that the tampon is adsorbed on the tampon because secretion secreted on the inner wall of the vagina is quickly absorbed when the first layer of cotton fibers is in contact with the inner wall of the vagina under the condition of less menstrual blood is solved.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.