CN114404146A

CN114404146A - Sanitary trousers and preparation method thereof

Info

Publication number: CN114404146A
Application number: CN202210066366.3A
Authority: CN
Inventors: 严木; 林斌; 燕保建; 王文龙; 苏立炜
Original assignee: Daddy Baby Co ltd
Current assignee: Daddy Baby Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-04-29

Abstract

The utility model relates to the technical field of sanitary pants, in particular to a pair of sanitary pants and a preparation method thereof, wherein the preparation method comprises the following steps: after the two layers of TPU films are longitudinally stretched, the two layers of TPU films are compounded with the inner waist circumference non-woven fabric and the outer waist circumference non-woven fabric in the order of the inner waist circumference non-woven fabric, the two layers of TPU films and the outer waist circumference non-woven fabric from top to bottom to obtain elastic waist circumference cloth; punching the elastic waistline cloth; obtaining the inner outer layer part of the sanitary pants from the bottom layer, the protecting enclosure and the protecting enclosure rubber band from bottom to top; compounding the cut core body, the bottom film and the surface layer from bottom to top to obtain the middle part of the sanitary pants; compounding the outer layer part of the sanitary pants with the middle part of the sanitary pants to obtain the complete interior of the sanitary pants; the sanitary pants are combined with the elastic waistline and cut off to obtain the finished sanitary pants. The TPU film, the inner and outer waist-surrounding non-woven fabrics and the outer waist-surrounding non-woven fabric are subjected to ultrasonic compounding and punching together through an ultrasonic device, so that a 360-degree waistline is formed, the process is comfortable and breathable, and the process efficiency is high, the cost is low, and the effect is good.

Description

Sanitary trousers and preparation method thereof

Technical Field

The utility model relates to the technical field of sanitary pants, in particular to a pair of sanitary pants and a preparation method thereof.

Background

Existing disposable sanitary pants generally include two forms: one type is pants type sanitary pants, such as pull-up pants. The other is a pair of sanitary trousers with openable side waist, such as baby diapers. The existing sanitary trousers mainly have the following two problems: first, the waist of the existing sanitary pants is a closed system generally composed of a closed 360-degree elastic waistline formed by compounding spandex filaments and non-woven fabrics, the waistline generally comprises 15-20 rubber bands and two layers of waistline non-woven fabrics, the elasticity of the rubber bands is large, but the rubber bands are small, the contact area with the skin is small, the stress is uneven, the abdominal pressure is large, and the wearing experience of consumers is influenced. For example, chinese patent application No. 202111323589.5 discloses a disposable sanitary pants whose waist circumference is adjusted by ear bands and elastic cords, but the operation is troublesome and the ear bands or elastic cords may be broken by pulling during use, and an uncomfortable feeling may be caused due to a small contact area of the ear bands or elastic cords with the skin. Second, pants-type sanitary pants are similar to underpants when worn, and can be worn only after the pants and shoes are completely taken off, so that wearing is troublesome, and the pants are more inconvenient to use in cold winter, and the pants are rarely used for the sanitary pants used by adults in the current stage. Third, the existing sanitary pants are designed to easily allow leakage of exudates from the inner thighs. Therefore, the design of the sanitary pants with comfortable waistline, openable side waistline and uneasy leakage is more urgent.

Disclosure of Invention

In order to overcome the defects of the prior art, the technical problems to be solved by the utility model are as follows: provides a method for preparing sanitary pants, which ensures that the sanitary pants prepared by the method have comfortable waistline and are not easy to leak.

In order to solve the technical problems, the utility model adopts the technical scheme that: a method of making sanitary pants comprising the steps of:

step 1, after longitudinally stretching two layers of TPU films, compounding the TPU films with inner waist circumference non-woven fabrics and outer waist circumference non-woven fabrics in the order of the inner waist circumference non-woven fabrics, the two layers of TPU films and the outer waist circumference non-woven fabrics from top to bottom to obtain elastic waist circumference cloth; punching the elastic waistline cloth;

step 2, obtaining the outer layer part of the sanitary pants from bottom to top by the bottom layer, the protecting enclosure and the protecting enclosure rubber band;

step 3, compounding the cut core body, the bottom film and the surface layer from bottom to top to obtain the middle part of the sanitary pants;

step 4, compounding the outer layer part of the sanitary pants with the middle part of the sanitary pants to obtain the sanitary pants;

and 5, compounding the sanitary pants with elastic waistline cloth, and cutting to obtain the finished sanitary pants.

The other technical scheme adopted by the utility model is as follows: the device for preparing the elastic waist cloth comprises a TPU film preparation mechanism, an inner waist non-woven fabric preparation mechanism, an outer waist non-woven fabric preparation mechanism, an ultrasonic compounding mechanism and a host machine platform;

the main machine table comprises a driving feeding wheel, a tension swing rod, a deviation rectifier and a stretching roller which are sequentially arranged;

the discharge ends of the stretching roller, the inner waist-surrounding non-woven fabric preparation mechanism and the outer waist-surrounding non-woven fabric preparation mechanism are connected with the feed end of the ultrasonic composite mechanism.

The TPU film preparation mechanism comprises a first TPU film preparation mechanism and a second TPU film preparation mechanism;

the first TPU film preparation mechanism comprises a first uncoiling air expansion shaft, a first material changing and receiving assembly, a first tension storage device, a first traction wheel and a first secondary tension device which are arranged in a production line;

the second TPU film preparation mechanism comprises a second uncoiling air expansion shaft, a second material changing and receiving assembly, a second tension storage device, a second traction wheel and a second secondary tension device which are arranged in a production line.

The inner waistline non-woven fabric preparation mechanism comprises a third open-rolling air expansion shaft, a third material changing and receiving assembly, a first tension swing rod, a first driving feeding wheel and a third secondary tension device which are arranged in a production line;

the outer waistline non-woven fabric preparation mechanism comprises a fourth winding air expansion shaft, a fourth material changing and receiving assembly, a second tension swing rod, a second driving feeding wheel and a fourth secondary tension device, wherein the fourth winding air expansion shaft, the fourth material changing and receiving assembly, the second tension swing rod, the second driving feeding wheel and the fourth secondary tension device are arranged in an assembly line.

The utility model has the beneficial effects that: according to the preparation method of the sanitary pants, the two layers of TPU films are stretched, and the surface of the elastic non-woven fabric manufactured by punching presents a uniform and flat three-dimensional stripe effect. Meanwhile, the inner and outer waist non-woven fabrics are not stretched, so that the phenomenon that the formed stripes are inclined and folded randomly to influence the overall appearance effect is avoided. The upper TPU and the lower TPU pass through four longitudinal stretching rollers, the online TPU is longitudinally pulled and stretched by utilizing the speed difference of the stretching rollers to form required multiplying power, and then the obtained product is compounded and punched together with the cut upper and lower inner waist-circumference non-woven fabrics and the cut outer waist-circumference non-woven fabrics through an ultrasonic device to form a 360-degree waistline. Elastic waist is for elasticity rubber band, and the lifting surface area is bigger more soft, comfortable, ventilative, reduces because of the phenomenon of too big oppression, tight, red mark that leads to of local atress for sanitary pants are more comfortable at the wearing in-process. Meanwhile, the three-dimensional protecting wall is arranged, so that the protecting wall of the sanitary pants can automatically stand up in the using process, and the effect of preventing leakage from the inner side can be achieved.

Drawings

FIG. 1 is a schematic structural diagram of a TPU film preparation mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an inner waist nonwoven fabric manufacturing mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of an outer waist nonwoven fabric manufacturing mechanism according to an embodiment of the present invention;

FIG. 4 is a front schematic perspective view of a pair of side waist openable sanitary pants according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of side waist openable sanitary pants and side leakage prevention sanitary pants according to an embodiment of the present invention;

fig. 6 is a schematic sectional view showing the front elastic waist and the hook & loop of the sanitary pants with openable side waists according to the embodiment of the present invention;

FIG. 7 is a pictorial view of a pair of sanitary pants with side waist openings and closures in accordance with an embodiment of the present invention;

FIG. 8 is a front expanded perspective view of a side leakage prevention sanitary pant according to an embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of the front and back waist elastics of a side leakage prevention sanitary pant according to an embodiment of the present invention;

FIG. 10 is a pictorial view of a pair of side leakage resistant sanitary pants, in accordance with an embodiment of the present invention;

description of reference numerals: 1. protecting the enclosure; 2. a bottom layer; 3. collecting crotch rubber band; 4. a base film; 5. a core body, 6 and a coating layer; 7. a surface layer;

81. a front elastic waist band; 82. a back elastic waist band; 83. inner waist circumference non-woven fabric; 84. a TPU film; 85. outer waist circumference non-woven fabric; 86. elastic rubber band;

9. a magic hook; 10. a suspended core; 11. embossing the grooves; 12. a three-dimensional rubber band;

13. a first unwinding inflatable shaft; 14. a first tensile storage device; 15. a first traction wheel; 16. a first secondary tension device;

17. a second uncoiling inflatable shaft; 18. a second tension storing device; 19. a second traction wheel; 20. a second secondary tension device;

21. a third open-winding air expansion shaft; 22. a first tension swing link; 23. a first active feed wheel; 24. a third secondary tension device;

25. a fourth coil air expansion shaft; 26. a second tension swing link; 27. a second active feed wheel; 28. a fourth secondary tension device;

29. a first material changing and receiving assembly; 30. a second material changing and receiving assembly; 31. a third material changing and receiving assembly, 32 and a fourth material changing and receiving assembly.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

The most key concept of the utility model is as follows: provides a method for preparing sanitary pants, which ensures that the sanitary pants prepared by the method have comfortable waistline and are not easy to leak.

Referring to fig. 1 to 10, a method for making sanitary pants according to the present invention includes the following steps:

From the above description, the beneficial effects of the present invention are: by stretching the TPU film, the surface of the prepared elastic non-woven fabric presents an even and smooth three-dimensional stripe effect under the ultrasonic wave compounding and punching. Simultaneously, the non-woven fabrics of the inner and the outer waistlines are not stretched, so that the phenomenon that the stripes are inclined and folded randomly to influence the overall appearance effect is avoided. Elastic waist is for elasticity rubber band, and the lifting surface area is bigger more soft more comfortable more ventilative, reduces because of the phenomenon of too big oppression, tight, red mark that leads to of local atress for sanitary pants are more comfortable at the wearing in-process. Be equipped with the aperture on elastic waist, can make sanitary pants more ventilative in the use, it is more comfortable to dress. Meanwhile, the three-dimensional protecting wall is arranged, so that the protecting wall of the sanitary pants can automatically stand up in the using process, and the effect of preventing leakage from the inner side is achieved.

Further, the step 2 specifically includes: and forming a bottom layer at the middle part of the waterproof non-woven fabric, inwards folding two ends of the waterproof non-woven fabric and compounding the waterproof non-woven fabric and the protective rubber band, and obtaining an outer layer part arranged in the sanitary pants from bottom to top.

From the above description, protect and enclose by two-layer constitution for its antiseep with prevent that the edge leakage effect is more excellent, the laminating degree of sanitary trousers and human body is further adjusted to crotch portion rubber band, makes sanitary trousers more laminate at the wearing in-process, prevents the seepage. Meanwhile, the breathable PE film is selected, so that the comfort level of a human body in the wearing process is enhanced. The added protective rubber band is beneficial to further adjusting the fit degree of the sanitary pants and the human body and preventing the leakage of secretion from the inner sides of the thighs.

Further, the step 3 specifically includes: cutting the core body, compounding with the bottom film and the surface layer, and then folding and hot-pressing the surface layer and the core body to obtain the middle part of the sanitary pants; the core body comprises a suspension core body and a wrapping layer arranged on the periphery of the suspension core body.

From the above description, it can be seen that by providing the suspended core, compared with the conventional sanitary pants which only absorb on the surface of the core, the present invention has an absorption space of 2-3cm under the core, thereby increasing the absorption rate, preventing leakage of exudate from the inner side of the thigh, and improving dryness.

Further, the step 4 specifically includes: after the middle part of the sanitary pants and the outer layer part of the sanitary pants are compounded, the sanitary pants are formed into the sanitary pants through end sealing, hot pressing, cutting and turning.

Further, the step 5 specifically includes: after the sanitary pants are put in and combined with the elastic waistline, the semi-finished products are obtained through 0 cutting, folding and finished product cutting, and the finished sanitary pants are obtained through finished product transferring and finished product coating and wrapping.

As can be seen from the above description, the finished diaper can be pants-type, and can be wrapped by the elastic waistline for 360 degrees, and the finished diaper can be directly worn as a pants-type diaper.

Further, the step 5 specifically includes: the sanitary pants are internally arranged, the elastic waistline and the cut magic hooks are compounded, and then the semi-finished product is obtained through 0 cutting, folding and finished product cutting, and then the finished product is transferred and coated to obtain the finished sanitary pants.

As can be seen from the above description, the finished product can be torn off, and the front and rear waistlines of the diaper can be worn according to the waist-sticking type diaper method, so that the problem that the traditional pants type sanitary pants are inconvenient to wear is solved. When finding in the use when laminating inadequately, need not to change size or dress again, waistline adjusts to suitable scope around directly tearing down, buckles again the magic and colludes can, has solved the problem that traditional trousers type health trousers waist encloses unadjustable.

the first TPU film preparation mechanism comprises a first uncoiling air expansion shaft 13, a first material changing and receiving assembly 29, a first tension storage device 14, a first traction wheel 15 and a first secondary tension device 16 which are arranged in a production line;

the second TPU film preparation mechanism comprises a second uncoiling air expansion shaft 17, a second material changing and receiving assembly 30, a second tension storage device 18, a second traction wheel 19 and a second secondary tension device 20 which are arranged in a production line.

The inner waistline non-woven fabric preparation mechanism comprises a third opening and rolling air expansion shaft 21, a third material changing and receiving assembly 31, a first tension swing rod 22, a first driving feeding wheel 23 and a third secondary tension device 24 which are arranged in an assembly line;

the outer waistline non-woven fabric preparation mechanism comprises a fourth winding air expansion shaft 25, a fourth material changing and receiving assembly 32, a second tension swing rod 26, a second driving feeding wheel 27 and a fourth secondary tension device 28 which are arranged in an assembly line.

Referring to fig. 1-3, an embodiment 1 of the present invention is:

the device for preparing the elastic waist cloth comprises a TPU film preparation mechanism, an inner waist non-woven fabric preparation mechanism, an outer waist non-woven fabric preparation mechanism, an ultrasonic compounding mechanism and a host machine platform;

The working principle of the utility model is as follows:

the TPU elastic membrane cloth on the TPU elastic membrane rack is uncoiled through the first uncoiling air expansion shaft 13, passes through the first material changing and receiving assembly 29, and enters the first tension storage device 14 for tension adjustment. And then passes through a first traction wheel 15, is subjected to tension adjustment again through a first secondary tension device 16, enters a main machine table through a 90-degree corner device, enters four stretching rollers under the action of a driving feeding wheel, a tension swing rod and a deviation rectifier of the main machine frame, is longitudinally stretched to a proper multiplying power, and is synchronously conveyed to an ultrasonic wave compounding device.

The lower TPU elastic membrane cloth of the TPU elastic membrane rack is uncoiled through a second uncoiling air expansion shaft 17, passes through a second material changing and receiving assembly 30, and enters a second tension material storage device 18 for tension adjustment. And then passes through a second traction wheel 19, is subjected to tension adjustment again through a second secondary tension device 20, enters a main machine table through a 90-degree corner device, enters four stretching rollers under the action of a driving feeding wheel, a tension swing rod and a deviation rectifier of the main machine frame, is longitudinally stretched to a proper multiplying power, and is synchronously conveyed to an ultrasonic wave compounding device.

The inboard waistline non-woven fabrics of interior waistline non-woven fabrics frame is opened a book through third uncoiling physiosis axle 21, changes material subassembly 31 through the third, gets into first tension pendulum rod 22 and carries out tension regulation, later through first initiative feed wheel 23, carries out tension regulation once more through third secondary tension device 24, later gets into the host computer platform through 90 corner devices, gets into waistline cloth branch cutter under the effect of initiative feed wheel, tension pendulum rod, the corrector of main frame and cuts it into upper and lower interior waistline cloth. The in-process still is provided with photoelectric detection device and carries out the detection that connects, and the waist cloth separates and carries respectively through material bifurcation subassembly messenger upper and lower interior waist cloth after cutting, gets into ultrasonic wave set composite under the effect of rectifying ware and initiative delivery wheel, wherein is provided with antiseized wheel, and the exhibition extension pole part prevents that the non-woven fabrics from crumpling when carrying.

Outside waistline non-woven fabrics of outer waistline non-woven fabrics frame passes through fourth roll up gas bloated axle 25, through fourth change material subassembly 32, get into second tension pendulum rod 26 and carry out tension regulation, later through second initiative delivery wheel 27, again through fourth secondary tension device 28 carry out tension regulation once more, later get into the host computer platform through 90 corner devices, initiative delivery wheel at the main frame, the tension pendulum rod, get into ultrasonic wave set composite under the effect of rectifying the ware, the in-process is provided with photoelectric detection device, antiseized wheel, the extension pole part, the test joint, prevent to wrinkle.

After the stretched inner waist non-woven fabric, the stretched TPU film and the stretched outer waist non-woven fabric are subjected to ultrasonic compounding and puncture punching through the ultrasonic compounding device, the stretched inner waist non-woven fabric, the stretched TPU film and the stretched outer waist non-woven fabric enter the waist line point breaking device through the driving wheel, the cooling plate assembly, the anti-sticking wheel, the driving feeding wheel and the deviation rectifier to perform partial waist line point breaking, so that the middle part is more smooth.

Referring to fig. 1 to 7, an embodiment 2 of the present invention is:

a preparation method of sanitary pants with openable side waists comprises the following steps:

and 2, forming a bottom layer at the middle part of the waterproof non-woven fabric, inwards folding two ends of the waterproof non-woven fabric and compounding the waterproof non-woven fabric and the protective rubber band, and obtaining an outer layer part arranged in the sanitary pants from bottom to top.

Step 3, cutting the core body, compounding the core body with the bottom film and the surface layer, and then folding the surface layer and carrying out hot pressing on the core body to obtain the middle part of the sanitary pants; the core body comprises a suspension core body and a wrapping layer arranged on the periphery of the suspension core body.

And 4, compounding the middle part of the sanitary pants with the outer layer part of the sanitary pants, and carrying out end sealing, hot pressing, cutting and turning to form the sanitary pants.

And 5, after the sanitary pants are arranged inside, the elastic waistline and the cut magic hooks are compounded, a semi-finished product is obtained through 0 cutting, folding and finished product cutting, and a finished product is obtained through finished product transferring and finished product coating wrapping.

Referring to fig. 4-7, the obtained sanitary pants with openable side waists comprise a bottom layer 2, a protection enclosure 1, a crotch rubber band 3, a bottom film 4, a core body 5 and a surface layer 7 which are sequentially arranged from bottom to top;

the two ends of the bottom film 4 along the length direction are respectively provided with a detachable front elastic waistline 81 and a detachable rear elastic waistline 82; the front elastic waistline 81 and the rear elastic waistline 82 comprise an inner waistline non-woven fabric 83, two layers of stretched TPU films 84 and an outer waistline non-woven fabric 85 which are sequentially arranged from bottom to top; two magic hooks 9 are symmetrically arranged at two ends of the front elastic waistline 81 along the length direction; the two magic hooks 9 are detachably connected with the rear elastic waistline 82.

The front elastic waistline 81 and the back elastic waistline 82 are provided with small holes. The bottom layer is made of waterproof non-woven fabric. The surface layer is provided with embossing grooves.

Referring to fig. 1 to 3, fig. 5 and fig. 8 to 10, embodiment 3 of the present invention is:

a preparation method of side leakage prevention sanitary pants comprises the following steps:

And 5, compounding the sanitary pants with the elastic waistline, performing 0-cutting, folding and finished product cutting to obtain a semi-finished product, and performing finished product transfer and finished product coating to obtain a finished sanitary pants product.

Referring to fig. 8-10, the obtained side leakage prevention sanitary pants comprise a bottom layer 2, a protection enclosure 1, a crotch rubber band 3, a bottom film 4, a core body 5 and a surface layer 7 which are sequentially arranged from bottom to top.

The two ends of the bottom film 4 along the length direction are respectively provided with a detachable front elastic waistline 81 and a detachable rear elastic waistline 82; a three-dimensional rubber band 12 is arranged at the position of 0.8-1.2cm of the edge of the apron 1; the core body 5 comprises a suspension core body 10 and a wrapping layer 6 arranged on the periphery of the suspension core body. The suspension height of the suspension core body 10 is 1.5-2.0 cm.

The elastic waistline 8 comprises an inner waistline non-woven fabric 83, two layers of stretched TPU films 84 and an outer waistline non-woven fabric 85 which are sequentially arranged from bottom to top. The enclosure 1 comprises a bottom layer non-woven fabric, a crotch portion rubber band and a PE film which are sequentially arranged from bottom to top. Elastic ribs 86 are arranged on the edge of the front elastic waistline 81 and the edge of the back elastic waistline 82.

Embossing grooves 11 are formed in the surface layer 7. The core body 5 is provided with small holes. The front elastic waistline 81 and the back elastic waistline 82 are both provided with small holes. The bottom layer 2 is made of waterproof non-woven fabric.

In conclusion, the TPU film is stretched, and the surface of the elastic non-woven fabric prepared by ultrasonic compounding and punching has a uniform and smooth three-dimensional stripe effect. Simultaneously, the inner and outer waistline non-woven fabrics are not stretched, and the formed wrinkles are avoided, so that the stripes are skewed and wrinkled randomly, and the overall appearance effect is influenced. The upper TPU and the lower TPU pass through four longitudinal stretching rollers, the speed difference of the stretching rollers is utilized to carry out on-line longitudinal traction and stretching of the TPU to form required multiplying power, and then the TPU, the upper waist non-woven fabric, the lower waist non-woven fabric and the outer waist non-woven fabric which are cut are subjected to ultrasonic compounding and punching together through an ultrasonic device to form a 360-degree waistline. Be equipped with the aperture on elastic waist, can make sanitary pants more ventilative in the use, it is more comfortable to dress.

The finished product design is sanitary trousers that the side waist can open and shut and the sanitary trousers that prevent the side leakage, and two types sanitary trousers are all through the setting of protecting to enclose and bottom non-woven fabrics, are equipped with three-dimensional rubber band protecting to enclose the edge end simultaneously for sanitary trousers protect in the use enclose with the bottom non-woven fabrics can stand up automatically, thereby will reach from inboard leak protection effect. Compared with the traditional sanitary pants only with the surface of the core body, the sanitary pants provided by the utility model have the advantages that the absorption space with the length of 2-3cm is arranged below the core body, so that the absorption speed can be increased, the leakage of secretion from the inner sides of thighs can be prevented, and the dryness is improved. The PE film is additionally arranged, so that leakage can be prevented on the basis of ventilation; add and receive crotch rubber band and elastic band, shrink crotch portion slack and undisciplined material for the sanitary pants laminating human more, it is more comfortable and easy to wear, can prevent the seepage of secretion when laminating effect is better. The setting of impressed watermark recess can further lock the secretion in the impressed watermark within range, and the leak protection also can accelerate the absorption rate simultaneously. Be equipped with the aperture on the core, can make the speed that the secretion enters into the core faster, prevent secretion and secretion side leakage to can effectively promote paper diaper and dress in-process gas permeability and moisture permeability more, give the comfort for people. The waterproof non-woven fabric is light in weight, good in strength and waterproof performance, soft and comfortable to wear, and feels like natural silk.

Wherein the sanitary pants that the side waist can be opened and shut have set up detachable preceding elastic waist and back elastic waist and magic and collude for people are using this panty-shape diapers in-process, also can tear front and back elastic waist, can press the wearing of waist subsides type panty-shape diapers. The arrangement of the front elastic waistline and the rear elastic waistline enables the paper diaper to be more close to the skin, urine leakage is prevented, and the problem that the traditional pants-type paper diaper is inconvenient to wear is solved. If when finding in the use that the fit is not enough, need not to change size and dress again, elastic waist adjusts to suitable scope around directly tearing down, paste the magic hook again can, solved the problem that traditional pants type panty-shape diapers waistline is not adjustable.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims

1. A method for making sanitary pants, comprising the steps of:

2. The method for preparing sanitary pants according to claim 1, wherein the step 2 comprises: and forming a bottom layer at the middle part of the waterproof non-woven fabric, inwards folding two ends of the waterproof non-woven fabric and compounding the waterproof non-woven fabric and the protective rubber band, and obtaining an outer layer part arranged in the sanitary pants from bottom to top.

3. The method for preparing sanitary pants according to claim 1, wherein the step 3 is specifically: cutting the core body, compounding with the bottom film and the surface layer, and then folding and hot-pressing the surface layer and the core body to obtain the middle part of the sanitary pants;

the core body comprises a suspension core body and a wrapping layer arranged on the periphery of the suspension core body.

4. The method for making sanitary pants according to claim 1, wherein the step 4 comprises: after the middle part of the sanitary pants and the outer layer part of the sanitary pants are compounded, the sanitary pants are formed into the sanitary pants through end sealing, hot pressing, cutting and turning.

5. The method for making sanitary pants according to claim 1, wherein the step 5 comprises: after the sanitary pants are put in and combined with the elastic waistline, the semi-finished products are obtained through 0 cutting, folding and finished product cutting, and the finished sanitary pants are obtained through finished product transferring and finished product coating and wrapping.

6. The method for making sanitary pants according to claim 1, wherein the step 5 comprises: the sanitary pants are internally arranged, the elastic waistline and the cut magic hooks are compounded, and then the semi-finished product is obtained through 0 cutting, folding and finished product cutting, and then the finished product is transferred and coated to obtain the finished sanitary pants.

7. The method for preparing sanitary pants according to claim 1, wherein the device for preparing the elastic waist cloth comprises a TPU film preparation mechanism, an inner waist non-woven fabric preparation mechanism, an outer waist non-woven fabric preparation mechanism, an ultrasonic compounding mechanism and a main machine table;

8. The method of making sanitary pants according to claim 7, wherein the TPU film making mechanism comprises a first TPU film making mechanism and a second TPU film making mechanism;

9. The method for preparing sanitary pants according to claim 7, wherein the inner waistline nonwoven fabric preparation mechanism comprises a third open-rolling inflatable shaft, a third material changing and receiving assembly, a first tension swing rod, a first driving feeding wheel and a third secondary tension device which are arranged in a production line;

10. A sanitary pant made by the method of making a sanitary pant according to any of claims 1-9.