Comfortable and breathable absorber and manufacturing method therefor
By designing multiple elastic rubber distribution areas on the absorbent body and reasonably setting the stretching ratio and spacing of the rubber, the problem of poor fit performance of existing absorbent body pants is solved, achieving higher fit performance and wearable comfort.
Patent Information
- Application Number
- PCT/CN2024/138010
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-12-22
- Filing Date
- 2024-12-10
- Publication Date
- 2025-06-26
AI Technical Summary
The fit performance of the existing absorber pants is poor, which leads to wear discomfort, and skin damage and compression problems are prone to occur in the process of improving the fit performance.
A pants body structure including an external layer, a leg-circle rubber and a built-in layer was designed. By distributing multiple elastic rubbers in different areas and reasonably setting the stretching ratio and spacing of the rubbers, it is designed to improve the fitting performance and wear comfort of the pants body.
It achieves full fit of the pants, improves the fitting performance and wear comfort of the absorber, and reduces the pressure on the skin and reduces the risk of skin damage.
Smart Images

Figure CN2024138010_26062025_PF_FP_ABST
Abstract
Description
A comfortable and breathable absorbent and its manufacturing method
[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on December 22, 2023, with application number 202311777057.8 and invention name “A comfortable and breathable absorbent body and its manufacturing method”, the entire contents of which are incorporated by reference into this application. Technical Field
[0002] The present invention relates to the field of absorbent bodies, and in particular to a comfortable and breathable absorbent body and a manufacturing method thereof. Background Art
[0003] Absorbent bodies such as diapers and pull-up pants often include a trouser body and an absorbent chip. When in use, the trouser body is used to be worn by the user, and the absorbent chip is used to absorb urine and other excretions discharged by the user. Therefore, the quality of the absorbent chip will directly affect the absorption effect of the absorbent body. The trouser body is in direct contact with the user's waist and hips. Therefore, the quality of the trouser body will affect the health of the user's waist and hips (for example, whether there is skin damage, rash, dermatitis, etc.). At the same time, the trouser body will also directly affect the comfort of wearing.
[0004] When worn, existing absorbent pants often leave gaps between the user's abdomen, buttocks, and other areas, resulting in poor fit. While some research and development institutions have recently focused on improving the fit of absorbent pants, this improved fit often leads to discomfort, a pressing issue within the industry. Summary of the Invention
[0005] In order to overcome the deficiencies of the prior art, one of the purposes of the present invention is to provide a comfortable and breathable absorbent body, which allows the trouser body to fully fit the abdomen, waist and hips of the user, improves its fitting performance, and improves wearing comfort.
[0006] The second purpose of the present invention is to provide a method for manufacturing the above-mentioned comfortable and breathable absorbent body, so that the trouser body of the manufactured absorbent body can fully fit the user's abdomen, waist and buttocks, improve its fitting performance, and improve wearing comfort.
[0007] One of the purposes of the present invention is achieved by the following technical solution:
[0008] A comfortable and breathable absorbent body, comprising a trouser body and an absorption chip; the absorption chip is fixed to the trouser body; the trouser body comprises an external fabric layer, leg elastics and an internal fabric layer, the external fabric layer comprises a first elastic distribution area, a second elastic distribution area, a third elastic distribution area, a fourth elastic distribution area, a fifth elastic distribution area, a sixth elastic distribution area and a seventh elastic distribution area; the first elastic distribution area, the second elastic distribution area, the third elastic distribution area, the fourth elastic distribution area, the fifth elastic distribution area, the sixth elastic distribution area and the seventh elastic distribution area are all bonded with a plurality of elastic bands; the leg elastics are bonded to the elastic bands and the external fabric layer; the internal fabric layer is bonded to the leg elastics, the elastic bands and the external fabric layer; the first elastic The stretching ratio of the elastic rubber in the elastic band distribution area is the same as the stretching ratio of the elastic rubber in the second elastic band distribution area; the stretching ratio of the elastic rubber in the third elastic band distribution area and the stretching ratio of the elastic rubber in the fourth elastic band distribution area are both the same as the stretching ratio of the elastic rubber in the seventh elastic band distribution area; the stretching ratio of the elastic rubber in the fifth elastic band distribution area is the same as the stretching ratio of the elastic rubber in the sixth elastic band distribution area; the stretching ratio of the elastic rubber in the first elastic band distribution area is greater than the stretching ratio of the elastic rubber in the third elastic band distribution area; the stretching ratio of the elastic rubber in the third elastic band distribution area is greater than the stretching ratio of the elastic rubber in the fifth elastic band distribution area, and the stretching ratio of the elastic rubber in the fifth elastic band distribution area is greater than or equal to 2 times.
[0009] The elastic band spacing in the first elastic band distribution area, the elastic band spacing in the second elastic band distribution area, the elastic band spacing in the third elastic band distribution area, the elastic band spacing in the fourth elastic band distribution area, the elastic band spacing in the sixth elastic band distribution area, and the elastic band spacing in the seventh elastic band distribution area are all different, and the elastic band spacing in the third elastic band distribution area is the same as the elastic band spacing in the fifth elastic band distribution area.
[0010] The elastic band spacing in the first elastic band distribution area is 1.5mm, the elastic band spacing in the second elastic band distribution area is 3mm, the elastic band spacing in the third elastic band distribution area is 5mm, the elastic band spacing in the fourth elastic band distribution area is 6.25mm, the elastic band spacing in the fifth elastic band distribution area is 5mm, the elastic band spacing in the sixth elastic band distribution area is 4mm, and the elastic band spacing in the seventh elastic band distribution area is 2mm.
[0011] The diameter of the elastic rubber band in the first elastic band distribution area, the diameter of the elastic rubber band in the second elastic band distribution area, the diameter of the elastic rubber band in the third elastic band distribution area, the diameter of the elastic rubber band in the fifth elastic band distribution area, and the diameter of the elastic rubber band in the sixth elastic band distribution area are all the same as the diameter of the elastic rubber band in the seventh elastic band distribution area; the diameter of the elastic rubber band in the fourth elastic band distribution area is greater than the diameter of the elastic rubber band in the first elastic band distribution area.
[0012] The diameter of the elastic rubber band in the first elastic band distribution area, the diameter of the elastic rubber band in the second elastic band distribution area, the diameter of the elastic rubber band in the third elastic band distribution area, the diameter of the elastic rubber band in the fifth elastic band distribution area, the diameter of the elastic rubber band in the sixth elastic band distribution area and the diameter of the elastic rubber band in the seventh elastic band distribution area are all 40D-140D; the diameter of the elastic rubber band in the fourth elastic band distribution area is 40D-280D.
[0013] The absorption chip includes a leakage-proof membrane, a wrapping cloth layer, a water-absorbing layer, a covering layer, a guide layer and a skin-friendly surface layer; the wrapping cloth layer is arranged on the leakage-proof membrane; the water-absorbing layer is wrapped in the wrapping cloth layer, the covering layer covers the wrapping cloth layer and the water-absorbing layer, the guide layer is arranged on the covering layer, and the skin-friendly surface layer is arranged on the guide layer; both sides of the skin-friendly surface layer are provided with anti-side leakage cloth layers; three-dimensional elastic bands are wrapped in the anti-side leakage cloth layer.
[0014] The second object of the present invention is achieved by adopting the following technical solutions:
[0015] The method for manufacturing the above-mentioned comfortable and breathable absorbent body comprises the following steps:
[0016] Step 1: Prepare the composite equipment; the composite equipment includes a conveying device, a gluing device, a guide mold and an elastic supply device; the gluing device is located above the conveying device; the elastic supply device includes a rotating body, a first elastic roll support module, a second elastic roll support module, a third elastic roll support module, a fourth elastic roll support module and an unwinding device; the unwinding device is used to drive the rotating body to rotate; the first elastic roll support module is fixed on the rotating body; the second elastic roll support module, the third elastic roll support module and the fourth elastic roll support module are fixed on the rotating body; The groups include a movable elastic roll storage unit rotatably mounted outside the rotating body, an acceleration drive component mounted on the rotating body and used to drive the movable elastic roll storage unit to rotate; the first elastic roll supporting module is provided with a first elastic roll installation area and a second elastic roll installation area; the movable elastic roll storage unit of the second elastic roll supporting module is provided with a third elastic roll installation area and a fourth elastic roll installation area, the movable elastic roll storage unit of the third elastic roll supporting module is provided with a fifth elastic roll installation area and a sixth elastic roll installation area, the fourth elastic roll supporting module is provided with a The movable elastic roll storage unit of the module is provided with a seventh elastic roll installation area, and the first elastic roll installation area, the second elastic roll installation area, the third elastic roll installation area, the fourth elastic roll installation area, the fifth elastic roll installation area, the sixth elastic roll installation area, and the seventh elastic roll installation area are all installed with multiple elastic rolls; the elastic stretching ratio of the elastic rolls in the first elastic roll installation area is the same as the elastic stretching ratio of the elastic rolls in the second elastic roll installation area; the elastic stretching ratio of the elastic rolls in the third elastic roll installation area and the elastic stretching ratio of the elastic rolls in the fourth elastic roll installation area are both The stretching ratio of the elastic band of the elastic band roll in the seventh elastic band roll installation area is the same; the stretching ratio of the elastic band of the elastic band roll in the fifth elastic band roll installation area is the same as the stretching ratio of the elastic band of the elastic band roll in the sixth elastic band roll installation area; the stretching ratio of the elastic band of the elastic band roll in the first elastic band roll installation area is greater than the stretching ratio of the elastic band of the elastic band roll in the third elastic band roll installation area; the stretching ratio of the elastic band of the elastic band roll in the third elastic band roll installation area is greater than the stretching ratio of the elastic band of the elastic band roll in the fifth elastic band roll installation area; the stretching ratio of the elastic band of the elastic band roll in the fifth elastic band roll installation area is greater than or equal to 2 times;
[0017] Step 2: The unwinding device drives the rotating body to rotate, and the first elastic roll support module, the second elastic roll support module, the third elastic roll support module and the fourth elastic roll support module all rotate with the rotating body, and the acceleration driving components of the second elastic roll support module, the third elastic roll support module and the fourth elastic roll support module drive their respective movable elastic roll storage units to accelerate in the same direction, so that the total rotational speed of the movable elastic roll storage unit of the second elastic roll support module is the same as the total rotational speed of the movable elastic roll storage unit of the fourth elastic roll support module, and is lower than the total rotational speed of the movable elastic roll storage unit of the third elastic roll support module; at the same time, the conveying device is used to convey the flattened outer cloth layer, and the multiple elastic bands unwound by the multiple elastic rolls located in the fifth elastic roll installation area pass through the guide mold to the fifth elastic band distribution area of the outer cloth layer, the multiple elastic bands unwound by the multiple elastic rolls located in the sixth elastic roll installation area pass through the guide mold to the sixth elastic band distribution area of the outer cloth layer, and the elastic bands unwound by the multiple elastic rolls located in the third elastic roll installation area pass through the guide mold to the sixth elastic band distribution area of the outer cloth layer. The multiple elastic bands unwound by the multiple elastic rolls in the fourth elastic roll installation area pass through the guide mold to reach the fourth elastic band distribution area of the outer fabric layer, the multiple elastic bands unwound by the multiple elastic rolls in the seventh elastic roll installation area pass through the guide mold to reach the seventh elastic band distribution area of the outer fabric layer, and the multiple elastic bands unwound by the multiple elastic rolls in the first elastic roll installation area pass through the guide mold to reach the third elastic band distribution area of the outer fabric layer. The guide die is led to the first elastic distribution area of the outer fabric layer. The elastic bands unwound from the plurality of elastic band rolls located in the second elastic band roll installation area pass through the guide die and reach the second elastic band distribution area of the outer fabric layer. Glue is then applied to the elastic bands and the outer fabric layer by a gluing device to adhere and fix the elastic bands to the outer fabric layer. The leg elastic bands are then bonded to the outer fabric layer. The flatly spread inner fabric layer is then covered and bonded to the outer fabric layer with the elastic bands and leg elastic bands bonded thereto to form a composite body.
[0018] Step 3: Fix the absorbent chip on the composite body, and cut the composite body into a trouser body, and the absorbent chip and the trouser body fixed together form an absorbent body.
[0019] The guide mold is provided with a first elastic band spacing unit, a second elastic band spacing unit, a third elastic band spacing unit, a fourth elastic band spacing unit, a fifth elastic band spacing unit, a sixth elastic band spacing unit and a seventh elastic band spacing unit; the first elastic band spacing unit, the second elastic band spacing unit, the third elastic band spacing unit, the fourth elastic band spacing unit, the fifth elastic band spacing unit, the sixth elastic band spacing unit and the seventh elastic band spacing unit all include a plurality of guide grooves; in step 2, the elastic elastic bands unwound by the plurality of elastic band rolls located in the fifth elastic band roll installation area respectively and one by one pass through the plurality of guide grooves of the fifth elastic band spacing unit of the guide mold to reach the fifth elastic band distribution area of the outer cloth layer, the elastic elastic bands unwound by the plurality of elastic band rolls located in the sixth elastic band roll installation area respectively and one by one pass through the plurality of guide grooves of the sixth elastic band spacing unit of the guide mold to reach the sixth elastic band distribution area of the outer cloth layer, and the elastic elastic bands unwound by the plurality of elastic band rolls located in the third elastic band roll installation area The elastic bands unwound from the multiple elastic rolls in the fourth elastic roll installation area respectively pass through the multiple guide grooves of the fourth elastic roll installation unit of the guide mold to reach the fourth elastic band distribution area of the outer fabric layer. The elastic bands unwound from the multiple elastic rolls in the seventh elastic roll installation area respectively pass through the multiple guide grooves of the seventh elastic roll installation unit of the guide mold to reach the seventh elastic band distribution area of the outer fabric layer. The elastic bands unwound from the multiple elastic rolls in the first elastic roll installation area respectively pass through the multiple guide grooves of the first elastic roll installation unit of the guide mold to reach the first elastic band distribution area of the outer fabric layer. The elastic bands unwound from the multiple elastic rolls in the second elastic roll installation area respectively pass through the multiple guide grooves of the second elastic roll installation unit of the guide mold to reach the second elastic band distribution area of the outer fabric layer.
[0020] The guide groove spacing of the first elastic band spacing unit, the guide groove spacing of the second elastic band spacing unit, the guide groove spacing of the third elastic band spacing unit, the guide groove spacing of the fourth elastic band spacing unit, the guide groove spacing of the sixth elastic band spacing unit, and the guide groove spacing of the seventh elastic band spacing unit are all different, and the guide groove spacing of the third elastic band spacing unit is the same as the guide groove spacing of the fifth elastic band spacing unit.
[0021] In step 2, before bonding the leg elastic bands to the outer fabric layer, the elastic bands in the first elastic band distribution area, the fourth elastic band distribution area, and the seventh elastic band distribution area are cut at locations corresponding to the absorbent chip.
[0022] Compared with the prior art, the present invention has the following beneficial effects:
[0023] The present invention provides a comfortable and breathable absorbent body, which makes the first elastic distribution area, the second elastic distribution area, the third elastic distribution area, the fourth elastic distribution area, the fifth elastic distribution area, the sixth elastic distribution area and the seventh elastic distribution area of the trouser body all have elasticity, so that the trouser body can fully fit the abdomen, waist and hips of the user, and improve its fitting performance; moreover, while improving its fitting performance, it can also reduce the pressure caused by a single point of the trouser body on the user's skin, reduce the damage to the user's skin stratum corneum, and improve the wearing comfort; in addition, by reasonably setting the first elastic distribution area, the trouser body can be made into a plurality of elastic distribution areas, and ... The stretching ratio of the elastic rubber bands in the first, second, third, fourth, fifth, sixth and seventh elastic band distribution areas is determined by adjusting the spacing and diameters of the elastic rubber bands in the first, second, third, fourth, fifth, sixth and seventh elastic band distribution areas to avoid compression of the trouser body on the user's skin and a feeling of tightness caused by the trouser body on the skin, so that the pressure of the trouser body on the skin at a single point is lower, thereby further improving the wearing comfort.
[0024] The manufacturing method of the above-mentioned comfortable and breathable absorbent provided by the present invention enables the trouser body of the manufactured absorbent to fully fit the abdomen, waist and buttocks of the user, thereby improving its fitting performance and enhancing wearing comfort; moreover, it is easy to manufacture and can ensure the performance of each elastic band to ensure the quality of the absorbent. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] FIG1 is a schematic structural diagram of a comfortable and breathable absorbent body of the present invention;
[0026] FIG2 is a cross-sectional view of a comfortable and breathable absorbent body of the present invention;
[0027] FIG3 is a flattened view of a comfortable and breathable absorbent body of the present invention;
[0028] FIG4 is a distribution diagram of elastic rubber bands;
[0029] FIG5 is a partial cross-sectional view of the absorption chip;
[0030] FIG6 is a schematic diagram of a composite device for composite elastic bands and an outer fabric layer;
[0031] FIG7 is a side view of the composite device;
[0032] FIG8 is a schematic structural diagram of a rubber band supply device;
[0033] FIG9 is a schematic structural diagram of a guide mold;
[0034] Figure 10 is an enlarged view of point A in Figure 9;
[0035] FIG11 is a cross-sectional view of the movable elastic roll storage unit;
[0036] Figure 12 is a schematic structural diagram of a traction device;
[0037] Figure 13 is a schematic structural diagram of a linear reciprocating mechanism;
[0038] Among them, 100, trouser body; 110, first elastic distribution area; 111, chip partition corresponding to the back waist; 120, second elastic distribution area; 130, third elastic distribution area; 140, fourth elastic distribution area; 141, chip partition corresponding to the crotch; 150, fifth elastic distribution area; 160, sixth elastic distribution area; 170, seventh elastic distribution area; 171, chip partition corresponding to the front waist; 181, elastic band; 182, inner fabric layer; 183, leg elastic band; 184, discard patch; 190, outer fabric layer; 191, main fabric body; 192, first end portion; 193. Second end portion; 200. Absorbent chip; 201. Leakage-proof membrane; 202. Wrapping cloth layer; 203. Water-absorbing layer; 204. Covering layer; 205. Diversion layer; 206. Skin-friendly surface layer; 207. Side leakage-proof cloth layer; 208. Three-dimensional elastic band; 310. Conveying device; 311. Active roller; 312. Driven roller; 313. Conveyor belt; 320. Gluing device; 330. Guide mold; 331. First elastic band spacing unit; 332. Second elastic band spacing unit; 333. Third elastic band spacing unit; 334. Fourth elastic band spacing unit; 335. Fifth elastic band spacing unit Elastic band spacing unit; 336, sixth elastic band spacing unit; 337, seventh elastic band spacing unit; 338, guide groove; 340, elastic band supply device; 349, unwinding device; 350, tension sensing control device; 351, first-level tension detection display; 352, elastic band tension controller; 353, second-level tension detection display; 361, rotating body; 363, first elastic band roll support module; 364, second elastic band roll support module; 365, third elastic band roll support module; 366, fourth elastic band roll support module; 367, acceleration drive component; 370, movable elastic band Roll storage unit; 380, elastic roll; 390, traction device; 392, lifting drive cylinder; 393, support frame; 394, drive motor; 395, screw rod; 396, screw rod nut; 397, movable seat; 399, lifting seat; 401, rear waist elastic traction translation cylinder; 402, hip crotch elastic traction translation cylinder; 403, abdomen elastic traction translation cylinder; 404, front waist elastic traction translation cylinder; 405, rear waist elastic adsorption seat; 406, hip crotch elastic adsorption seat; 407, abdomen elastic adsorption seat; 408, front waist elastic adsorption seat. DETAILED DESCRIPTION
[0039] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0040] As shown in Figures 1-5, a comfortable and breathable absorbent body includes a trouser body 100 and an absorbent chip 200; the absorbent chip 200 is fixed to the trouser body 100; the trouser body 100 includes an outer fabric layer 190, leg elastic bands 183 and an inner fabric layer 182, the outer fabric layer 190 includes a first elastic band distribution area 110, a second elastic band distribution area 120, a third elastic band distribution area 130, a fourth elastic band distribution area 140, a fifth elastic band distribution area 150, and a sixth elastic band distribution area 160. and the seventh elastic distribution area 170; the first elastic distribution area 110, the second elastic distribution area 120, the third elastic distribution area 130, the fourth elastic distribution area 140, the fifth elastic distribution area 150, the sixth elastic distribution area 160 and the seventh elastic distribution area 170 are respectively bonded with a plurality of elastic elastics 181; the leg elastic 183 is bonded to the elastic elastic 181 and the outer fabric layer 190; the inner fabric layer 182 is bonded to the leg elastic 183, the elastic elastic 181 and The stretch ratio of the elastic elastic band 181 in the first elastic distribution area 110 is the same as the stretch ratio of the elastic elastic band 181 in the second elastic distribution area 120; the stretch ratio of the elastic elastic band 181 in the third elastic distribution area 130 and the stretch ratio of the elastic elastic band 181 in the fourth elastic distribution area 140 are the same as the stretch ratio of the elastic elastic band 181 in the seventh elastic distribution area 170; the stretch ratio of the elastic elastic band 181 in the fifth elastic distribution area 150 is the same as the stretch ratio of the elastic elastic band 181 in the fifth elastic distribution area 150. The stretching ratio of the elastic rubber band 181 in the sixth elastic band distribution area 160 is the same; the stretching ratio of the elastic rubber band 181 in the first elastic band distribution area 110 is greater than the stretching ratio of the elastic rubber band 181 in the third elastic band distribution area 130; the stretching ratio of the elastic rubber band 181 in the third elastic band distribution area 130 is greater than the stretching ratio of the elastic rubber band 181 in the fifth elastic band distribution area 150, and the stretching ratio of the elastic rubber band 181 in the fifth elastic band distribution area 150 is greater than or equal to 2 times.
[0041] The present invention provides a comfortable and breathable absorbent body, which is provided with a plurality of elastic rubber bands 181 in the first elastic band distribution area 110, the second elastic band distribution area 120, the third elastic band distribution area 130, the fourth elastic band distribution area 140, the fifth elastic band distribution area 150, the sixth elastic band distribution area 160 and the seventh elastic band distribution area 170, so that the first elastic band distribution area 110, the second elastic band distribution area 120, the third elastic band distribution area 130, the fourth elastic band distribution area 140, the fifth elastic band distribution area 150, the sixth elastic band distribution area 160 and the seventh elastic band distribution area 170 of the trouser body 100 are comfortable and breathable. The fifth elastic distribution area 150, the sixth elastic distribution area 160 and the seventh elastic distribution area 170 are all elastic, so that the trouser body 100 can fully fit the abdomen, waist and hips of the user, which can improve its fitting performance; and on this basis, the stretching ratio of the elastic rubber 181 of the first elastic distribution area 110 is set to be the same as the stretching ratio of the elastic rubber 181 of the second elastic distribution area 120, the stretching ratio of the elastic rubber 181 of the third elastic distribution area 130 and the stretching ratio of the fourth elastic distribution area 140 are set to be the same as the stretching ratio of the elastic rubber 181 of the second elastic distribution area 120. 0 is set to the same stretching ratio as the elastic rubber band 181 of the seventh elastic band distribution area 170, the stretching ratio of the elastic rubber band 181 of the fifth elastic band distribution area 150 is set to the same stretching ratio as the elastic rubber band 181 of the sixth elastic band distribution area 160, and the stretching ratio of the elastic rubber band 181 of the first elastic band distribution area 110 is set to be greater than the stretching ratio of the elastic rubber band 181 of the third elastic band distribution area 130, and the stretching ratio of the elastic rubber band 181 of the third elastic band distribution area 1 The stretching ratio of the elastic rubber band 181 of 30 is set to be greater than the stretching ratio of the elastic rubber band 181 of the fifth elastic band distribution area 150, and the stretching ratio of the elastic rubber band 181 of the fifth elastic band distribution area 150 is greater than or equal to 2 times. It can improve the fitting performance of the trouser body 100 to different parts of infants and young children, and at the same time, it can reduce the pressure of a single point of the trouser body 100 on the user's skin according to the requirements of different parts of the infant's body, reduce the damage to the stratum corneum of the user's skin, and improve wearing comfort.
[0042] Specifically, the first elastic distribution area 110, the second elastic distribution area 120, the third elastic distribution area 130, the fourth elastic distribution area 140, the fifth elastic distribution area 150, the sixth elastic distribution area 160, and the seventh elastic distribution area 170 are arranged in sequence from one end to the other end of the outer fabric layer 190. The first elastic distribution area 110 may be the first rear waist elastic distribution area, the second elastic distribution area 120 may be the second rear waist elastic distribution area, the third elastic distribution area 130 may be the buttocks elastic distribution area, the fourth elastic distribution area 140 may be the crotch elastic distribution area, the fifth elastic distribution area 150 may be the front lower abdomen elastic distribution area, the sixth elastic distribution area 160 may be the front upper abdomen elastic distribution area, and the seventh elastic distribution area 170 may be the front waist elastic distribution area.
[0043] The stretching ratio of the elastic rubber band 181 is a basic parameter used to measure the stretching ability of the elastic rubber band 181. For example, if a 10 mm rubber band is stretched to 20 mm, the stretching ratio of the rubber band is 1.
[0044] Specifically, the stretch ratio of the elastic cords 181 in the first elastic cord distribution area 110 and the second elastic cord distribution area 120 are both 3 times; the stretch ratio of the elastic cords 181 in the third elastic cord distribution area 130, the stretch ratio of the elastic cords 181 in the fourth elastic cord distribution area 140, and the stretch ratio of the elastic cords 181 in the seventh elastic cord distribution area 170 are all 2.8 times; the stretch ratio of the elastic cords 181 in the fifth elastic cord distribution area 150 and the stretch ratio of the elastic cords 181 in the sixth elastic cord distribution area 160 are both 2.6. By further optimizing the stretch ratio of the elastic cords 181 in each elastic cord distribution area, the performance of the trouser body 100 can be further optimized.
[0045] The spacing of the elastic bands 181 in the first elastic band distribution area 110, the spacing of the elastic bands 181 in the second elastic band distribution area 120, the spacing of the elastic bands 181 in the third elastic band distribution area 130, the spacing of the elastic bands 181 in the fourth elastic band distribution area 140, the spacing of the elastic bands 181 in the sixth elastic band distribution area 160, and the spacing of the elastic bands 181 in the seventh elastic band distribution area 170 are all different. That is, the spacing of the elastic bands 181 in the above-mentioned elastic band distribution areas is all different, and the spacing of the elastic bands 181 in the third elastic band distribution area 130 is the same as the spacing of the elastic bands 181 in the fifth elastic band distribution area 150. Specifically, the spacing between the elastic rubber bands 181 in the first rubber band distribution area 110 is 1.5 mm, the spacing between the elastic rubber bands 181 in the second rubber band distribution area 120 is 3 mm, the spacing between the elastic rubber bands 181 in the third rubber band distribution area 130 is 5 mm, the spacing d between the elastic rubber bands 181 in the fourth rubber band distribution area 140 is 6.25 mm, the spacing between the elastic rubber bands 181 in the fifth rubber band distribution area 150 is 5 mm, the spacing between the elastic rubber bands 181 in the sixth rubber band distribution area 160 is 4 mm, and the spacing between the elastic rubber bands 181 in the seventh rubber band distribution area 170 is 2 mm.
[0046] The diameter (also known as fineness) of the elastic rubber band 181 in the first rubber band distribution area 110, the diameter of the elastic rubber band 181 in the second rubber band distribution area 120, the diameter of the elastic rubber band 181 in the third rubber band distribution area 130, the diameter of the elastic rubber band 181 in the fifth rubber band distribution area 150, and the diameter of the elastic rubber band 181 on the sixth rubber band distribution area 160 are all the same as the diameter of the elastic rubber band 181 in the seventh rubber band distribution area 170; the diameter of the elastic rubber band 181 in the fourth rubber band distribution area 140 is greater than the diameter of the elastic rubber band 181 in the first rubber band distribution area 110. Specifically, the diameter of the elastic rubber band 181 in the first rubber band distribution area 110, the diameter of the elastic rubber band 181 in the second rubber band distribution area 120, the diameter of the elastic rubber band 181 in the third rubber band distribution area 130, the diameter of the elastic rubber band 181 in the fifth rubber band distribution area 150, the diameter of the elastic rubber band 181 on the sixth rubber band distribution area 160, and the diameter of the elastic rubber band 181 in the seventh rubber band distribution area 170 are all 40D-140D (D is the abbreviation of Denier, an indicator used to measure fiber fineness); the diameter of the elastic rubber band 181 in the fourth rubber band distribution area 140 is 40D-280D.
[0047] On the basis of reasonably setting the stretching ratios of the elastic rubber bands 181 in the first rubber band distribution area 110, the second rubber band distribution area 120, the third rubber band distribution area 130, the fourth rubber band distribution area 140, the fifth rubber band distribution area 150, the sixth rubber band distribution area 160 and the seventh rubber band distribution area 170, and then reasonably distributing the spacing and diameters of the elastic rubber bands 181 in the first rubber band distribution area 110, the second rubber band distribution area 120, the third rubber band distribution area 130, the fourth rubber band distribution area 140, the fifth rubber band distribution area 150, the sixth rubber band distribution area 160 and the seventh rubber band distribution area 170, the trouser body 100 can be prevented from causing pressure on the user's skin and the trouser body 100 causing a sense of tightness on the skin, so that the pressure on the skin at a single point of the trouser body 100 is low, thereby further improving wearing comfort.
[0048] As a further preferred embodiment of the present invention, the diameter of the elastic rubber band 181 in the first rubber band distribution area 110 is 70D, the diameter of the elastic rubber band 181 in the second rubber band distribution area 120 is 70D, the diameter of the elastic rubber band 181 in the third rubber band distribution area 130 is 70D, the diameter of the elastic rubber band 181 in the fifth rubber band distribution area 150 is 70D, the diameter of the elastic rubber band 181 on the sixth rubber band distribution area 160 is 70D, the diameter of the elastic rubber band 181 in the seventh rubber band distribution area 170 is 70D, and the diameter of the elastic rubber band 181 in the fourth rubber band distribution area 140 is 108D. On the basis of reasonably setting the stretching ratio and the spacing between the elastic rubber bands 181 in each rubber band distribution area, the diameter of the elastic rubber in each rubber distribution area is optimized to minimize the pressure of the trouser body 100 on the skin at a single point, so as to have a wearing comfort like women's stockings, which can significantly improve the wearing comfort.
[0049] A disposable patch 184 is provided on the exterior of the outer fabric layer 190. Specifically, both the outer fabric layer 190 and the inner fabric layer 182 are non-woven fabric layers. While other materials are possible, using both the outer fabric layer 190 and the inner fabric layer 182 as non-woven fabric layers is the most preferred embodiment of the present invention, as it enhances comfort.
[0050] The absorbent core 200 includes a leak-proof membrane 201, a wrapping fabric layer 202, a water-absorbing layer 203, a covering layer 204, a fluid-guiding layer 205, and a skin-friendly surface layer 206. The wrapping fabric layer 202 is disposed on the leak-proof membrane 201. The water-absorbing layer 203 is wrapped within the wrapping fabric layer 202. The covering layer 204 covers the wrapping fabric layer 202 and the water-absorbing layer 203. The fluid-guiding layer 205 is disposed on the covering layer 204, and the skin-friendly surface layer 206 is disposed on the fluid-guiding layer 205. Side leakage prevention fabric layers 207 are disposed on both sides of the skin-friendly surface layer 206. Three-dimensional elastic bands 208 are wrapped within the side leakage prevention fabric layers 207. Specifically, the wrapping fabric layer 202, covering layer 204, and side leakage prevention fabric layer 207 are all non-woven fabric layers.
[0051] Of course, in addition to this, the absorption chip 200 can also adopt other structures, but the absorption chip 200 adopts a combination of a leak-proof membrane 201, a wrapping cloth layer 202, a water-absorbing layer 203, a covering layer 204, a guide layer 205 and a skin-friendly surface layer 206, which is the most preferred embodiment of the present invention, which can ensure water absorption performance and comfort performance while being convenient to manufacture.
[0052] The present invention also discloses a method for manufacturing the above-mentioned comfortable and breathable absorbent body, comprising the following steps:
[0053] Step 1: Prepare the composite equipment (as shown in Figures 6-13); the composite equipment includes a conveying device 310, a gluing device 320, a guide mold 330 and a rubber supply device 340; the gluing device 320 is located above the conveying device 310; the rubber supply device 340 includes a rotating body 361, a first rubber roll support module 363, a second rubber roll support module 364, a third rubber roll support module 365, a fourth rubber roll support module 366 and an unwinding device 349; the unwinding device 349 is used to drive the rotating body 361 to rotate; the first rubber roll support module 363 is fixed on the rotating body 361; the second rubber roll support module 364 is fixed on the rotating body 361; the third rubber roll support module 365 is fixed on the rotating body 366; the fourth rubber roll support module 366 is fixed on the rotating body 361 ... The elastic roll supporting module 364, the third elastic roll supporting module 365 and the fourth elastic roll supporting module 366 all include a movable elastic roll storage unit 370 rotatably mounted outside the rotating body 361, and an acceleration driving component 367 mounted on the rotating body 361 and used to drive the movable elastic roll storage unit 370 to rotate; the first elastic roll supporting module 363 is provided with a first elastic roll installation area and a second elastic roll installation area; the movable elastic roll storage unit 370 of the second elastic roll supporting module 364 is provided with a third elastic roll installation area and a fourth elastic roll installation area, and the movable elastic roll storage unit 370 of the third elastic roll supporting module 365 is provided with There are a fifth elastic roll installation area and a sixth elastic roll installation area, the movable elastic roll storage unit 370 of the fourth elastic roll supporting module 366 is provided with a seventh elastic roll installation area, the first elastic roll installation area, the second elastic roll installation area, the third elastic roll installation area, the fourth elastic roll installation area, the fifth elastic roll installation area, the sixth elastic roll installation area, and the seventh elastic roll installation area are all installed with a plurality of elastic rolls 380; the elastic stretching ratio of the elastic roll 380 in the first elastic roll installation area is the same as the elastic stretching ratio of the elastic roll 380 in the second elastic roll installation area; the elastic stretching ratio of the elastic roll 380 in the third elastic roll installation area and the elastic roll 380 in the fourth elastic roll installation area are the same. The stretching ratio of the elastic band of the elastic band roll 380 is the same as the stretching ratio of the elastic band of the elastic band roll 380 in the seventh elastic band roll installation area; the stretching ratio of the elastic band of the elastic band roll 380 in the fifth elastic band roll installation area is the same as the stretching ratio of the elastic band of the elastic band roll 380 in the sixth elastic band roll installation area; the stretching ratio of the elastic band of the elastic band roll 380 in the first elastic band roll installation area is greater than the stretching ratio of the elastic band of the elastic band roll 380 in the third elastic band roll installation area; the stretching ratio of the elastic band of the elastic band roll 380 in the third elastic band roll installation area is greater than the stretching ratio of the elastic band of the elastic band roll 380 in the fifth elastic band roll installation area; the stretching ratio of the elastic band of the elastic band roll 380 in the fifth elastic band roll installation area is greater than or equal to 2 times;
[0054] Step 2: The unwinding device 349 drives the rotating body 361 to rotate, and the first elastic roll support module 363, the second elastic roll support module 364, the third elastic roll support module 365, and the fourth elastic roll support module 366 all rotate along with the rotating body 361. The acceleration driving components 367 of the second elastic roll support module 364, the third elastic roll support module 365, and the fourth elastic roll support module 366 drive the movable elastic roll storage unit 370 to accelerate in the same direction, so that the total rotation speed of the movable elastic roll storage unit 370 of the second elastic roll support module 364 is the same as the total rotation speed of the movable elastic roll storage unit 370 of the fourth elastic roll support module 366, and is lower than the total rotation speed of the movable elastic roll storage unit 370 of the third elastic roll support module 365.That is, the movable elastic roll storage units 370 of the second elastic roll supporting module 364, the third elastic roll supporting module 365 and the fourth elastic roll supporting module 366 rotate along with the rotating body 361, and are driven to rotate in the same direction by the acceleration driving component 367, thereby causing the movable elastic roll storage units 370 of the second elastic roll supporting module 364, the third elastic roll supporting module 365 and the fourth elastic roll supporting module 366 to rotate in the same direction as the first elastic roll supporting module 363, and the total rotation speed of the movable elastic roll storage units 370 of the second elastic roll supporting module 364, the third elastic roll supporting module 365 and the fourth elastic roll supporting module 366 is 100%. The total rotation speed of the elastic roll 70 and the total rotation speed of the movable elastic roll storage unit 370 of the fourth elastic roll supporting module 366 are both greater than the rotation speed of the first elastic roll supporting module 363. At the same time, the conveying device 310 is used to convey the flattened outer fabric layer 190, and the plurality of elastic rolls 380 located in the fifth elastic roll installation area respectively unrolled multiple elastic bands 181 pass through the guide mold 330 to reach the fifth elastic band distribution area 150 of the outer fabric layer 190, the plurality of elastic rolls 380 located in the sixth elastic roll installation area respectively unrolled multiple elastic bands 181 pass through the guide mold 330 to reach the sixth elastic band distribution area 160 of the outer fabric layer 190, and the plurality of elastic rolls 380 located in the third elastic roll installation area respectively unrolled multiple elastic bands 181 pass through the guide mold 330 to reach the sixth elastic band distribution area 160 of the outer fabric layer 190. The plurality of elastic bands 181 respectively unwound by the plurality of elastic band rolls 380 pass through the guide mold 330 to reach the third elastic band distribution area 130 of the outer fabric layer 190, the plurality of elastic band rolls 380 located in the fourth elastic band installation area respectively unwound by the plurality of elastic band 181 pass through the guide mold 330 to reach the fourth elastic band distribution area 140 of the outer fabric layer 190, the plurality of elastic band rolls 380 located in the seventh elastic band installation area respectively unwound by the plurality of elastic band 181 pass through the guide mold 330 to reach the seventh elastic band distribution area 170 of the outer fabric layer 190, and the plurality of elastic band rolls 380 located in the first elastic band installation area respectively unwound by the plurality of elastic band 181 pass through the guide mold The plurality of elastic bands 181 unwound from the plurality of elastic band rolls 380 located in the second elastic band roll installation area and the plurality of elastic bands 181 passing through the guide die 330 and arriving at the second elastic band distribution area 120 of the outer fabric layer 190 are then glued to the elastic bands 181 and the outer fabric layer 190 by the glue applying device 320. The elastic bands 181 are then glued to the outer fabric layer 190. The leg elastic bands 183 are then glued to the outer fabric layer 190. The flatly unfolded inner fabric layer 182 is then covered and glued to the outer fabric layer 190 to form a composite body.
[0055] Step 3: Fix the absorbent chip 200 on the composite body, and cut the composite body into a trouser body 100. The absorbent chip 200 and the trouser body 100 fixed together form an absorbent body.
[0056] The manufacturing method of the above-mentioned comfortable and breathable absorbent provided by the present invention enables the trouser body 100 of the manufactured absorbent to fully fit the abdomen, waist and hips of the user, improve its fitting performance, and improve the wearing comfort; moreover, the elastic bands 181 unwound from each elastic roll 380 can be guided and distributed to each elastic distribution area of the outer fabric layer 190, which can improve the manufacturing efficiency. At the same time, the first elastic roll support module 363 and the elastic band 181 unwound from each elastic roll 380 in the installation area of each elastic roll can be reasonably set. The total rotational speed of the movable elastic roll storage unit 370 of each elastic roll support module controls different unwinding speeds corresponding to elastic elastics of different ratios, thereby avoiding the problem that the elastic elastics 181 with different properties are pulled or even broken by the elastic when unwinding and guided toward the outer cloth layer 190, thereby affecting the performance of the elastic elastics 181, thereby ensuring the quality of the absorbent body. At the same time, the composite equipment can also greatly reduce the space occupied and make each elastic roll 380 unwind on the same horizontal plane. More importantly, the elastic elastic 181 is stretched at a small angle to reduce friction.
[0057] The first elastic roll support module 363 may be a rear waist elastic roll support module, the second elastic roll support module 364 may be a hip and crotch elastic roll support module, the third elastic roll support module 365 may be an abdomen elastic roll support module, and the fourth elastic roll support module 366 may be a front waist elastic roll support module. The first elastic roll installation area may be a first rear waist elastic roll installation area, the second elastic roll installation area may be a second rear waist elastic roll installation area, the third elastic roll installation area may be a hip elastic roll installation area, the fourth elastic roll installation area may be a crotch elastic roll installation area, the fifth elastic roll installation area may be a front lower abdomen elastic roll installation area, the sixth elastic roll installation area may be a front upper abdomen elastic roll installation area, and the seventh elastic roll installation area may be a front waist elastic roll installation area.
[0058] The guide mold 330 is provided with a first rubber spacing unit 331, a second rubber spacing unit 332, a third rubber spacing unit 333, a fourth rubber spacing unit 334, a fifth rubber spacing unit 335, a sixth rubber spacing unit 336 and a seventh rubber spacing unit 337; the first rubber spacing unit 331, the second rubber spacing unit 332, the third rubber spacing unit 333, the fourth rubber spacing unit 334, the fifth rubber spacing unit 335, the sixth rubber spacing unit 336 and the seventh rubber spacing unit 337 each include a plurality of guide grooves 338; in step 2, the fifth rubber spacing unit 338 is located at the fifth rubber spacing unit. The elastic bands 181 unwound from the multiple elastic band rolls 380 in the elastic band roll installation area pass through the multiple guide grooves 338 of the fifth elastic band spacing unit 335 of the guide mold 330 and arrive at the fifth elastic band distribution area 150 of the outer fabric layer 190 respectively; the elastic bands 181 unwound from the multiple elastic band rolls 380 in the sixth elastic band roll installation area pass through the multiple guide grooves 338 of the sixth elastic band spacing unit 336 of the guide mold 330 and arrive at the sixth elastic band distribution area 160 of the outer fabric layer 190 respectively; the elastic bands 181 unwound from the multiple elastic band rolls 380 in the third elastic band roll installation area pass through the multiple guide grooves 338 of the sixth elastic band spacing unit 336 of the guide mold 330 and arrive at the sixth elastic band distribution area 160 of the outer fabric layer 190 respectively. The elastic bands 181 unwound from the plurality of elastic rolls 380 located in the fourth elastic roll installation area pass through the plurality of guide grooves 338 of the fourth elastic band spacing unit 334 of the guide mold 330 and reach the fourth elastic band distribution area 140 of the outer fabric layer 190, and the elastic bands 181 unwound from the plurality of elastic rolls 380 located in the seventh elastic roll installation area pass through the plurality of guide grooves 337 of the seventh elastic band spacing unit 338 of the guide mold 330 and reach the fourth elastic band distribution area 140 of the outer fabric layer 190. The guide grooves 338 reach the seventh elastic band distribution area 170 of the outer fabric layer 190; the elastic bands 181 unwound from the multiple elastic band rolls 380 located in the first elastic band roll installation area respectively and one by one pass through the multiple guide grooves 338 of the first elastic band spacing unit 331 of the guide mold 330 to reach the first elastic band distribution area 110 of the outer fabric layer 190, and the elastic bands 181 unwound from the multiple elastic band rolls 380 located in the second elastic band roll installation area respectively and one by one pass through the multiple guide grooves 338 of the second elastic band spacing unit 332 of the guide mold 330 to reach the second elastic band distribution area 120 of the outer fabric layer 190.
[0059] Specifically, the first elastic spacer unit 331 may be a first rear waist elastic spacer unit, the second elastic spacer unit 332 may be a second rear waist elastic spacer unit, the third elastic spacer unit 333 may be a buttocks elastic spacer unit, the fourth elastic spacer unit 334 may be a crotch elastic spacer unit, the fifth elastic spacer unit 335 may be a front lower abdomen elastic spacer unit, the sixth elastic spacer unit 336 may be a front upper abdomen elastic spacer unit, and the seventh elastic spacer unit 337 may be a front waist elastic spacer unit.
[0060] The spacing of the guide grooves 338 of the first elastic spacing unit 331, the second elastic spacing unit 332, the third elastic spacing unit 333, the fourth elastic spacing unit 334, the sixth elastic spacing unit 336, and the seventh elastic spacing unit 337 are all different. The spacing of the guide grooves 338 of the third elastic spacing unit 333 is the same as the spacing of the guide grooves 338 of the fifth elastic spacing unit 335. By properly setting the spacing of the guide grooves 338 of each elastic spacing unit, the spacing of the elastics in each elastic distribution area of the outer fabric layer 190 can be adjusted accordingly.
[0061] As a preferred embodiment of the present invention, in order to improve the wearing comfort of the trouser body 100 formed, as a preferred embodiment of the present invention, the guide groove 338 spacing of the first elastic spacer unit 331 is 1.5mm, the guide groove 338 spacing of the second elastic spacer unit 332 is 3mm, the guide groove 338 spacing of the third elastic spacer unit 333 is 5mm, the guide groove 338 spacing of the fourth elastic spacer unit 334 is 6.25mm, the guide groove 338 spacing of the fifth elastic spacer unit 335 is 5mm, and the guide groove 338 spacing of the sixth elastic spacer unit 336 is 4mm. The spacing between the guide grooves 338 of the seventh elastic band spacing unit 337 is 2 mm. The stretching ratio of the elastic band roll 380 in the first elastic band installation area and the stretching ratio of the elastic band roll 380 in the second elastic band installation area are both 3 times; the stretching ratio of the elastic band roll 380 in the third elastic band installation area, the stretching ratio of the elastic band roll 380 in the fourth elastic band installation area, and the stretching ratio of the elastic band roll 380 in the seventh elastic band installation area are all 2.8 times; the stretching ratio of the elastic band roll 380 in the fifth elastic band installation area and the stretching ratio of the elastic band roll 380 in the sixth elastic band installation area are both 2.6. The rubber band diameter of the rubber band roll 380 in the first rubber band roll installation area is 70D, the rubber band diameter of the rubber band roll 380 in the second rubber band roll installation area is 70D, the rubber band diameter of the rubber band roll 380 in the third rubber band roll installation area is 70D, the rubber band diameter of the rubber band roll 380 in the fifth rubber band roll installation area is 70D, the rubber band diameter of the rubber band roll 380 in the sixth rubber band roll installation area is 70D, the rubber band diameter of the rubber band roll 380 in the seventh rubber band roll installation area is 70D, and the rubber band diameter of the rubber band roll 380 in the fourth rubber band roll installation area is 108D.
[0062] Preferably, the first elastic band distribution area 110 has a chip partition 111 corresponding to the back waist of the absorption chip 200, and the remaining area of the first elastic band distribution area 110 except the chip partition 111 corresponding to the back waist is the main area of the back waist, and the elastic elastic band 181 of the first elastic band distribution area 110 is located on the main area of the back waist; the seventh elastic band distribution area 170 has a chip partition 171 corresponding to the front waist of the absorption chip 200, and the remaining area of the seventh elastic band distribution area 170 except the chip partition 171 corresponding to the front waist is the main area of the front waist, and the elastic elastic band 181 of the seventh elastic band distribution area 170 is located on the main area of the front waist; the fourth elastic band distribution area 140 has a crotch corresponding chip partition 141 corresponding to the absorption chip 200, and the remaining area of the fourth elastic band distribution area 140 except the chip partition 141 corresponding to the crotch is the main area of the crotch, and the elastic elastic band 181 of the fourth elastic band distribution area 140 is located on the main area of the crotch. By adopting the above-mentioned setting, the chip partition 111 corresponding to the back waist, the chip partition 171 corresponding to the front waist, and the chip partition 141 corresponding to the crotch are not provided with elasticity, so as to avoid the above-mentioned partitions from shrinking and causing the absorption chip 200 to be narrowed to form wrinkles, thereby causing urine leakage and uneven absorption problems, thereby making the absorption chip 200 flatter and improving the absorption capacity. In step 2, before the leg elastic bands 183 are bonded to the outer fabric layer 190, the elastic bands 181 of the first elastic band distribution area 110, the elastic bands 181 of the fourth elastic band distribution area 140, and the elastic bands 181 of the seventh elastic band distribution area 170 are cut off at the positions corresponding to the absorption chip 200, and then the leg elastic bands 183 are bonded to the outer fabric layer 190, wherein the area where the elastic bands 181 on the first elastic band distribution area 110 are cut off forms the chip partition 111 corresponding to the back waist, the area where the elastic bands 181 on the fourth elastic band distribution area 140 are cut off forms the chip partition 141 corresponding to the crotch, and the area where the elastic bands 181 on the seventh elastic band distribution area 170 are cut off forms the chip partition 171 corresponding to the front waist, so that the absorption chip 200 is flatter and the absorption capacity can be improved.
[0063] The outer fabric layer 190 includes a main fabric body 191, a first end portion 192 and a second end portion 193; the first end portion 192 is arranged at one end of the main fabric body 191 and folded toward the main fabric body 191; the second end portion 193 is arranged at the other end of the main fabric body 191 and folded toward the main fabric body 191; the elastic elastic 181 of the second elastic distribution area 120, the elastic elastic 181 of the third elastic distribution area 130, and the elastic elastic 181 of the fourth elastic distribution area 130 are arranged at the same end. The elastic bands 181 in region 140, the fifth elastic band distribution region 150, and the sixth elastic band distribution region 160 are all secured between the main fabric 191 and the inner fabric layer 182. The elastic bands 181 in the first elastic band distribution region 110 are secured between the main fabric 191 and the first end portion 192, and the elastic bands 181 in the seventh elastic band distribution region 170 are secured between the main fabric 191 and the second end portion 193. This arrangement reduces the thickness of the waistband of the trouser body 100, thereby improving breathability and preventing and alleviating skin rashes in infants and young children.
[0064] In step 2, when the flattened inner fabric layer 182 is covered and bonded to the outer fabric layer 190 bonded with the elastic elastic band 181 and the leg elastic band 183, the first end portion 192 is folded toward the main fabric body 191 to bond the first end portion 192 to the main fabric body 191 and the elastic elastic band 181 in the first elastic band distribution area 110. At the same time, the second end portion 193 is folded toward the main fabric body 191 and bonded to the main fabric body 191 and the elastic elastic band 181 in the seventh elastic band distribution area 170 to form a composite body, so that the formed trouser body 100 has good breathability and is convenient to manufacture.
[0065] A tension sensing control device 350 is located between the elastic supply device 340 and the guide die 330. This device winds the elastic cords 181 and detects the tension of each elastic cord 181. In step 2, the elastic cords 181 unwound from the elastic rolls 380 are first wound around the tension sensing control device 350 and then passed through the guide die 330 to the outer fabric layer 190. The tension of each elastic cord 181 is then detected by the tension sensing control device 350.
[0066] As a further preferred embodiment of the present invention, the tension sensing control device 350 includes a plurality of sensing units for winding a plurality of elastic rubber bands 181 one by one; the sensing units include a primary tension detection display 351, a rubber band tension controller 352, and a secondary tension detection display 353; in step 2, the elastic rubber bands 181 unwound from each rubber band roll 380 are wound in sequence through the primary tension detection display 351, the rubber band tension controller 352, and the secondary tension detection display 353 of the corresponding sensing unit, and then pass through the guide mold 330 to reach the outer fabric layer 190.
[0067] The unwinding device 349 may be a motor, a rotary cylinder, or a combination thereof with various transmission mechanisms (e.g., a gear transmission mechanism, a conveyor chain transmission mechanism), as long as it can drive the rotation of the rotating body 361. The acceleration drive component 367 may be an axial permanent magnet motor, a rotary cylinder, or a combination thereof with various transmission mechanisms (e.g., a gear transmission mechanism, a conveyor chain transmission mechanism), as long as it can drive the corresponding object to rotate.
[0068] The conveying device 310 includes a conveyor frame, a driving roller 311, a driven roller 312, a conveyor belt 313, and a power component. The driving roller 311 and the driven roller 312 are rotatably mounted on the conveyor frame. The conveyor belt 313 is wound around the driving roller 311 and the driven roller 312. The power component is used to drive the driving roller 311 to rotate. In step 2, the power component drives the driving roller 311 to rotate, which in turn drives the conveyor belt 313 and the driven roller 312 to rotate. With the transmission of the conveyor belt 313, the outer fabric layer 190 is conveyed. The power component can be a motor, a rotary cylinder, or a combination of various transmission mechanisms (such as a gear transmission mechanism or a transmission chain mechanism), as long as it can drive the driving roller 311 to rotate.
[0069] Preferably, the composite device may also use a traction device 390, which includes a lifting seat 399, a lifting drive cylinder 392, and a linear reciprocating mechanism; the linear reciprocating mechanism includes a support frame 393, a drive motor 394, a screw 395 connected to the output shaft of the drive motor 394, a screw nut 396 matched with the screw 395, and a movable seat 397 movably mounted on the support frame 393 and located above the conveying device 310; the screw nut 39 6 is fixed on the moving base 397, the cylinder body of the lifting drive cylinder 392 is fixed on the moving base 397, the piston rod of the lifting drive cylinder 392 is connected to the lifting base 399, and the lifting base 399 is provided with a rear waist elastic traction translation cylinder 401, a hip crotch elastic traction translation cylinder 402, an abdomen elastic traction translation cylinder 403 and a front waist elastic traction translation cylinder 404, and the piston rod of the rear waist elastic traction translation cylinder 401 is connected to the rear waist elastic adsorption seat 405 The piston rod of the hip crotch elastic pulling translation cylinder 402 is connected to the hip crotch elastic adsorption seat 406, the piston rod of the abdomen elastic pulling translation cylinder 403 is connected to the abdomen elastic adsorption seat 407, and the piston rod of the front waist elastic pulling translation cylinder 404 is connected to the front waist elastic adsorption seat 408. The back waist elastic adsorption seat 405 is provided with guide grooves 338 corresponding to the first elastic spacing unit 331 and the second elastic spacing unit 332 respectively and used for vacuum adsorption of each elastic band 181 The plurality of rear waist elastic adsorption positions; the crotch elastic adsorption seat 406 is provided with a plurality of crotch elastic adsorption positions corresponding to the guide grooves 338 of the third elastic spacer unit 333 and the fourth elastic spacer unit 334 respectively and used for vacuum adsorption of each elastic elastic band 181; the abdominal elastic adsorption seat 407 is provided with a plurality of abdominal elastic adsorption positions corresponding to the guide grooves 338 of the fifth elastic spacer unit 335 and the sixth elastic spacer unit 336 respectively and used for vacuum adsorption of each elastic elastic band 181;The front waist elastic adsorption seat 408 is provided with a plurality of abdominal elastic adsorption positions corresponding to the guide grooves 338 of the seventh elastic spacing unit 337 and used for vacuum adsorption of each elastic elastic band 181. In step 2, the end portions of the elastic elastic bands 181 unwound from each elastic roll 380 pass through the guide mold 330 and are respectively adsorbed on the rear waist elastic adsorption seat 405, the hip crotch elastic adsorption seat 406, the abdominal elastic adsorption seat 407 and the front waist elastic adsorption seat 408. As the elastic roll 380 is continuously unwound, the conveying device 310 conveys the outer fabric layer 190 forward, the driving motor 394 drives the moving seat 397 to move forward, and the rear waist elastic traction translation cylinder 401, the hip crotch elastic traction translation cylinder 402, the abdominal elastic traction cylinder 403 and the front waist elastic traction cylinder 404 are driven by the driving motor 394 to move forward. The guiding translation cylinder 403 and the front waist elastic pulling translation cylinder 404 respectively drive the rear waist elastic adsorption seat 405, the crotch elastic adsorption seat 406, the abdomen elastic adsorption seat 407, and the front waist elastic adsorption seat 408 forward, thereby synchronously pulling each elastic band 181 forward, so that each elastic band 181 is smoothly maintained on the outer fabric layer 190. The adhesive dispensing device 320 applies adhesive to each elastic band 181 and the outer fabric layer 190, allowing each elastic band 181 to be smoothly adhered and fixed to the outer fabric layer 190, preventing the elastic band 181 from bending or twisting. This eliminates the need for manual adjustment of the elastic band 181 and the need to use tape to affix the head end of the elastic band 181 to the conveyor belt 313, thereby reducing the workload of the operator.
[0070] As a further preferred embodiment of the present invention, specifically, in step 2, the glue applying device 320 applies glue toward each elastic band 181 and the outer fabric layer 190 to adhere each elastic band 181 to the outer fabric layer 190, and then the leg elastic band 183 is adhered to the outer fabric layer 190, and then the flattened inner fabric layer 182 is covered and adhered on the outer fabric layer 190 adhered with the elastic band 181 and the leg elastic band 183, and at the same time, the first end portion 192 is folded toward the main fabric body 191 to The first end portion 192 is bonded to the main fabric 191 and the elastic cord 181 of the first elastic distribution area 110. The second end portion 193 is folded toward the main fabric 191 and then bonded to the main fabric 191 and the elastic cord 181 of the seventh elastic distribution area 170 to form a composite body. The composite body is then passed through a pressure roller for physical pressure and reinforcement. The composite body is then passed through a condensing device to accelerate the curing of the hot melt adhesive, allowing the composite body to be quickly fixed together. Step 3: Hot melt adhesive is applied to the composite body, and the absorbent core 200 is affixed to the composite body. The composite body is then cut and the two sides of the cut composite body are ultrasonically bonded to form the absorbent body of the trouser body 100 and the absorbent core. The affixed absorbent core 200 and trouser body 100 form the absorbent body.
[0071] The above embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.
Claims
1. A comfortable and breathable absorbent, characterized in that: The invention comprises a trouser body and an absorption chip; the absorption chip is fixed on the trouser body; the trouser body comprises an external fabric layer, leg elastic bands and an internal fabric layer, the external fabric layer comprises a first elastic band distribution area, a second elastic band distribution area, a third elastic band distribution area, a fourth elastic band distribution area, a fifth elastic band distribution area, a sixth elastic band distribution area and a seventh elastic band distribution area; the first elastic band distribution area, the second elastic band distribution area, the third elastic band distribution area, the fourth elastic band distribution area, the fifth elastic band distribution area, the sixth elastic band distribution area and the seventh elastic band distribution area are respectively bonded with a plurality of elastic bands; the leg elastic bands are bonded to the elastic bands and the external fabric layer; the internal fabric layer is bonded to the leg elastic bands, the elastic bands and the external fabric layer; the first elastic band distribution area The stretching ratio of the elastic rubber band is the same as the stretching ratio of the elastic rubber band in the second elastic band distribution area; the stretching ratio of the elastic rubber band in the third elastic band distribution area and the stretching ratio of the elastic rubber band in the fourth elastic band distribution area are both the same as the stretching ratio of the elastic rubber band in the seventh elastic band distribution area; the stretching ratio of the elastic rubber band in the fifth elastic band distribution area is the same as the stretching ratio of the elastic rubber band in the sixth elastic band distribution area; the stretching ratio of the elastic rubber band in the first elastic band distribution area is greater than the stretching ratio of the elastic rubber band in the third elastic band distribution area; the stretching ratio of the elastic rubber band in the third elastic band distribution area is greater than the stretching ratio of the elastic rubber band in the fifth elastic band distribution area, and the stretching ratio of the elastic rubber band in the fifth elastic band distribution area is greater than or equal to 2 times.
2. The comfortable and breathable absorbent body according to claim 1, characterized in that: The elastic elastic band spacing in the first elastic band distribution area, the elastic elastic band spacing in the second elastic band distribution area, the elastic elastic band spacing in the third elastic band distribution area, the elastic elastic band spacing in the fourth elastic band distribution area, the elastic elastic band spacing in the sixth elastic band distribution area, and the elastic elastic band spacing in the seventh elastic band distribution area are all different, and the elastic elastic band spacing in the third elastic band distribution area is the same as the elastic elastic band spacing in the fifth elastic band distribution area.
3. The comfortable and breathable absorbent body according to claim 2, characterized in that: The elastic band spacing in the first elastic band distribution area is 1.5mm, the elastic band spacing in the second elastic band distribution area is 3mm, the elastic band spacing in the third elastic band distribution area is 5mm, the elastic band spacing in the fourth elastic band distribution area is 6.25mm, the elastic band spacing in the fifth elastic band distribution area is 5mm, the elastic band spacing in the sixth elastic band distribution area is 4mm, and the elastic band spacing in the seventh elastic band distribution area is 2mm.
4. The comfortable and breathable absorbent body according to claim 1 or 2, characterized in that: The diameter of the elastic rubber band in the first elastic band distribution area, the diameter of the elastic rubber band in the second elastic band distribution area, the diameter of the elastic rubber band in the third elastic band distribution area, the diameter of the elastic rubber band in the fifth elastic band distribution area, and the diameter of the elastic rubber band in the sixth elastic band distribution area are all the same as the diameter of the elastic rubber band in the seventh elastic band distribution area; the diameter of the elastic rubber band in the fourth elastic band distribution area is greater than the diameter of the elastic rubber band in the first elastic band distribution area.
5. The comfortable and breathable absorbent body according to claim 4, characterized in that: The diameter of the elastic rubber band in the first elastic band distribution area, the diameter of the elastic rubber band in the second elastic band distribution area, the diameter of the elastic rubber band in the third elastic band distribution area, the diameter of the elastic rubber band in the fifth elastic band distribution area, the diameter of the elastic rubber band in the sixth elastic band distribution area and the diameter of the elastic rubber band in the seventh elastic band distribution area are all 40D-140D; the diameter of the elastic rubber band in the fourth elastic band distribution area is 40D-280D.
6. The comfortable and breathable absorbent body according to claim 1, characterized in that: The absorption chip comprises a leak-proof film, a wrapping cloth layer, a water-absorbing layer, a covering layer, a guide layer and a skin-friendly surface layer; the wrapping cloth layer is arranged on the leak-proof film; the water-absorbing layer is wrapped in the wrapping cloth layer, the covering layer covers the wrapping cloth layer and the water-absorbing layer, the guide layer is arranged on the covering layer, and the skin-friendly surface layer is arranged on the guide layer; both sides of the skin-friendly surface layer are provided with side leakage prevention cloth layers; three-dimensional elastic bands are wrapped in the side leakage prevention cloth layer.
7. The method for manufacturing a comfortable and breathable absorbent body according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step 1: Prepare a composite device; the composite device includes a conveying device, a glue applying device, a guide mold and a rubber supply device; the glue applying device is located above the conveying device; the rubber supply device includes a rotating body, a first rubber roll support module, a second rubber roll support module, a third rubber roll support module, a fourth rubber roll support module and an unwinding device; the unwinding device is used to drive the rotating body to rotate; The first elastic roll supporting module is fixed on the rotating body; The second elastic roll supporting module, the third elastic roll supporting module and the fourth elastic roll supporting module each include a movable elastic roll storage unit rotatably sleeved outside the rotating body, and an acceleration driving component installed on the rotating body and used to drive the movable elastic roll storage unit to rotate; The first elastic roll supporting module is provided with a first elastic roll installation area and a second elastic roll installation area; The movable elastic roll storage unit of the second elastic roll supporting module is provided with a third elastic roll installation area and a fourth elastic roll installation area, the movable elastic roll storage unit of the third elastic roll supporting module is provided with a fifth elastic roll installation area and a sixth elastic roll installation area, the movable elastic roll storage unit of the fourth elastic roll supporting module is provided with a seventh elastic roll installation area, and the first elastic roll installation area, the second elastic roll installation area, the third elastic roll installation area, the fourth elastic roll installation area, the fifth elastic roll installation area, the sixth elastic roll installation area, and the seventh elastic roll installation area are all installed with a plurality of elastic rolls; The stretching ratio of the elastic band of the elastic band roll in the first elastic band roll installation area is the same as the stretching ratio of the elastic band of the elastic band roll in the second elastic band roll installation area; the stretching ratio of the elastic band of the elastic band roll in the third elastic band roll installation area and the stretching ratio of the elastic band of the elastic band roll in the fourth elastic band roll installation area are both the same as the stretching ratio of the elastic band of the elastic band roll in the seventh elastic band roll installation area; the stretching ratio of the elastic band of the elastic band roll in the fifth elastic band roll installation area is the same as the stretching ratio of the elastic band of the elastic band roll in the sixth elastic band roll installation area; the stretching ratio of the elastic band of the elastic band roll in the first elastic band roll installation area is greater than the stretching ratio of the elastic band of the elastic band roll in the third elastic band roll installation area; The stretching ratio of the elastic band of the elastic band roll in the third elastic band roll installation area is greater than the stretching ratio of the elastic band of the elastic band roll in the fifth elastic band roll installation area; The elastic stretching ratio of the elastic roll in the fifth elastic roll installation area is greater than or equal to 2 times; Step 2: the unwinding device drives the rotating body to rotate, and the first elastic roll support module, the second elastic roll support module, the third elastic roll support module and the fourth elastic roll support module all rotate with the rotating body, and the acceleration driving components of the second elastic roll support module, the third elastic roll support module and the fourth elastic roll support module drive their respective active elastic roll storage units to accelerate and rotate in the same direction, so that the total rotation speed of the active elastic roll storage unit of the second elastic roll support module is the same as the total rotation speed of the active elastic roll storage unit of the fourth elastic roll support module, and is lower than the total rotation speed of the active elastic roll storage unit of the third elastic roll support module; at the same time, the conveying device is used to convey the flattened outer cloth layer, and the multiple elastic bands respectively unwound by the multiple elastic rolls located in the fifth elastic roll installation area pass through the guide mold to reach the fifth elastic band distribution area of the outer cloth layer, the multiple elastic bands respectively unwound by the multiple elastic rolls located in the sixth elastic roll installation area pass through the guide mold to reach the sixth elastic band distribution area of the outer cloth layer, and the multiple elastic bands respectively unwound by the multiple elastic rolls located in the third elastic roll installation area pass through the guide mold to reach the sixth elastic band distribution area of the outer cloth layer. The plurality of elastic bands unwound by the plurality of elastic band rolls in the fourth elastic band roll installation area pass through the guide mold to reach the fourth elastic band distribution area of the outer fabric layer, the plurality of elastic bands unwound by the plurality of elastic band rolls in the seventh elastic band roll installation area pass through the guide mold to reach the seventh elastic band distribution area of the outer fabric layer, and the plurality of elastic bands unwound by the plurality of elastic band rolls in the first elastic band roll installation area pass through the guide mold to reach the third elastic band distribution area of the outer fabric layer. The guiding die reaches the first elastic distribution area of the outer fabric layer, and the elastic bands respectively unwound by the elastic band rolls located in the second elastic band roll installation area pass through the guiding die to the second elastic band distribution area of the outer fabric layer, and then the gluing device applies glue to the elastic bands and the outer fabric layer to adhere and fix the elastic bands to the outer fabric layer, and then the leg elastic bands are adhered to the outer fabric layer, and then the flatly spread inner fabric layer is covered and adhered on the outer fabric layer to which the elastic bands and the leg elastic bands are adhered, so as to form a composite body; Step 3: Fix the absorbent chip on the composite body, and cut the composite body into a trouser body, and the absorbent chip and the trouser body fixed together form an absorbent body.
8. The method for manufacturing a comfortable and breathable absorbent body according to claim 7, characterized in that: The guide mold is provided with a first elastic band spacing unit, a second elastic band spacing unit, a third elastic band spacing unit, a fourth elastic band spacing unit, a fifth elastic band spacing unit, a sixth elastic band spacing unit and a seventh elastic band spacing unit; the first elastic band spacing unit, the second elastic band spacing unit, the third elastic band spacing unit, the fourth elastic band spacing unit, the fifth elastic band spacing unit, the sixth elastic band spacing unit and the seventh elastic band spacing unit all include a plurality of guide grooves; in step 2, the elastic elastic bands unwound by the plurality of elastic band rolls located in the fifth elastic band roll installation area respectively and one by one pass through the plurality of guide grooves of the fifth elastic band spacing unit of the guide mold to reach the fifth elastic band distribution area of the outer cloth layer, the elastic elastic bands unwound by the plurality of elastic band rolls located in the sixth elastic band roll installation area respectively and one by one pass through the plurality of guide grooves of the sixth elastic band spacing unit of the guide mold to reach the sixth elastic band distribution area of the outer cloth layer, and the elastic elastic bands unwound by the plurality of elastic band rolls located in the third elastic band roll installation area The elastic bands unwound from the multiple elastic rolls located in the fourth elastic roll installation area respectively and correspondingly pass through the multiple guide grooves of the fourth elastic band spacing unit of the guide mold to reach the fourth elastic band distribution area of the external fabric layer; the elastic bands unwound from the multiple elastic rolls located in the seventh elastic roll installation area respectively and correspondingly pass through the multiple guide grooves of the seventh elastic band spacing unit of the guide mold to reach the seventh elastic band distribution area of the external fabric layer; the elastic bands unwound from the multiple elastic rolls located in the first elastic roll installation area respectively and correspondingly pass through the multiple guide grooves of the first elastic band spacing unit of the guide mold to reach the first elastic band distribution area of the external fabric layer; the elastic bands unwound from the multiple elastic rolls located in the second elastic roll installation area respectively and correspondingly pass through the multiple guide grooves of the second elastic band spacing unit of the guide mold to reach the second elastic band distribution area of the external fabric layer.
9. The method for manufacturing a comfortable and breathable absorbent body according to claim 8, characterized in that: The guide groove spacing of the first elastic band spacing unit, the guide groove spacing of the second elastic band spacing unit, the guide groove spacing of the third elastic band spacing unit, the guide groove spacing of the fourth elastic band spacing unit, the guide groove spacing of the sixth elastic band spacing unit, and the guide groove spacing of the seventh elastic band spacing unit are all different, and the guide groove spacing of the third elastic band spacing unit is the same as the guide groove spacing of the fifth elastic band spacing unit.
10. The method for manufacturing a comfortable and breathable absorbent body according to claim 7, characterized in that: In step 2, before bonding the leg elastic bands to the outer fabric layer, the elastic bands in the first elastic band distribution area, the fourth elastic band distribution area, and the seventh elastic band distribution area need to be cut at locations corresponding to the absorbent chip.
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