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CN-122005219-A - Paper diaper with leakage-proof and hot air spun-bonded composite surface layer and preparation equipment thereof

CN122005219ACN 122005219 ACN122005219 ACN 122005219ACN-122005219-A

Abstract

The invention relates to the technical field of paper diapers, in particular to a paper diaper with a leakage-proof and hot air spun-bonded composite surface layer and preparation equipment thereof, the paper diaper comprises a composite surface layer, the composite surface layer is formed by compositing a first non-woven cloth layer and a second non-woven cloth layer, a C-shaped reverse osmosis core body is arranged between the first non-woven cloth layer and the second non-woven cloth layer, continuous and high-precision production of the paper diaper is realized through cooperation of multistage positioning, vacuum adsorption, synchronous reverse osmosis heat welding and multi-point precise gluing compounding, stability and consistency of each procedure are ensured, production efficiency is improved, a mode of the traditional paper diaper only relying on side leakage is fundamentally changed, 360-degree all-round leakage prevention of a package type is realized, and when a baby moves, a three-dimensional leakage prevention ring formed by an elastic flange of the C-shaped reverse osmosis core body and reverse osmosis structures fixed at two ends can be effectively attached to a body curve, side leakage dead areas are eliminated, and leakage prevention performance is remarkably improved.

Inventors

  • WU HONGYU

Assignees

  • 广东昱升个人护理用品股份有限公司

Dates

Publication Date
20260512
Application Date
20260310

Claims (10)

  1. 1. The utility model provides a paper diaper preparation equipment of leak protection type and hot-blast spun-bond composite surface course for make leak protection type and hot-blast spun-bond composite surface course's paper diaper (1), leak protection type and hot-blast spun-bond composite surface course's paper diaper (1) include composite surface course (101), composite surface course (101) are formed by first nonwoven cloth layer (102) and second nonwoven cloth layer (103) are compound, be provided with C shape reverse osmosis core (104) between first nonwoven cloth layer (102) and second nonwoven cloth layer (103), be provided with water conservancy diversion layer (105) between first nonwoven cloth layer (102) and C shape reverse osmosis core (104); Elastic flanges (106) are fixedly connected to the left end and the right end of the C-shaped reverse osmosis core body (104), reverse folding structures (107) are arranged on the left end face and the right end face of the C-shaped reverse osmosis core body (104), the reverse folding structures (107) are fixed through hot welding, and the reverse folding structures (107) and the elastic flanges (106) of the C-shaped reverse osmosis core body (104) form a 360-degree leakage-proof structure (108) together; The diaper preparation equipment for the leakage-proof and hot air spun-bonded composite surface layer comprises a conveying frame (2) for conveying a C-shaped reverse osmosis core body (104), and is characterized in that a reverse osmosis welding component (3) is arranged at the front end of the conveying frame (2), the reverse osmosis welding component (3) forms a 360-degree leakage-proof structure (108) along the conveying direction of the conveying frame (2) through reverse osmosis welding at the left end and the right end of the C-shaped reverse osmosis core body (104), a composite component (4) is arranged at the front end of the reverse osmosis welding component (3), and the composite component (4) is used for compositing the reverse osmosis core body (104), a first nonwoven cloth layer (102), a second nonwoven cloth layer (103) and a guide layer (105) after reverse osmosis welding into a diaper (1) of the leakage-proof and hot air spun-bonded composite surface layer; The anti-folding thermal welding assembly (3) comprises an anti-folding thermal welding table (301) fixedly mounted at the front end of the conveying frame (2), anti-folding thermal welding plates (302) are mounted at the left end and the right end of the anti-folding thermal welding table (301), driving mechanisms (303) are mounted between the anti-folding thermal welding plates (302) and the anti-folding thermal welding table (301), ultrasonic welding rods (304) are embedded in the anti-folding thermal welding plates (302), and a guide frame (305) is fixedly mounted between the anti-folding thermal welding table (301) and the composite assembly (4).
  2. 2. The paper diaper preparation device for the leakproof and hot air spun-bonded composite surface layer according to claim 1, wherein a conveying belt (201) is installed in the conveying frame (2), a first motor (202) is fixedly installed at the rear end of the right side of the conveying frame (2), and the driving end of the first motor (202) is in transmission connection with the conveying belt (201).
  3. 3. The paper diaper preparation device for the leakproof and hot air spun-bonded composite surface layer according to claim 1, wherein an adjusting frame (203) is fixedly arranged at the front end of the conveying frame (2), first positioning plates (204) are slidably connected to the left end and the right end of the adjusting frame (203), a bidirectional screw (205) is rotatably connected to the inner side of the adjusting frame (203), a second motor (206) is fixedly arranged on the left side of the adjusting frame (203), the driving end of the second motor (206) is fixedly connected with the left end of the bidirectional screw (205), and the top ends of the two groups of first positioning plates (204) are in threaded connection with the bidirectional screw (205) through connecting sleeves (207).
  4. 4. The equipment for preparing the paper diaper with the leakage-proof and hot air spun-bonded composite surface layer according to claim 1, wherein the rear ends of the two groups of first positioning plates (204) are fixedly connected with guide plates (208), and a plurality of groups of auxiliary rollers (209) are rotatably connected to opposite sides of the two groups of guide plates (208).
  5. 5. The equipment for preparing the paper diaper with the leakage-proof and hot air spun-bonded composite surface layer according to claim 4, wherein a second positioning plate (306) is slidably connected to a joint of the reverse folding thermal welding table (301) and the guide frame (305), a first driving member is fixedly installed inside the guide frame (305) and below the second positioning plate (306), an output end of the first driving member is fixedly connected with a bottom of the second positioning plate (306), second driving members (307) are fixedly installed at left and right ends of the top of the reverse folding thermal welding table (301), two groups of second driving members (307) are oppositely arranged, and a third positioning plate (308) is fixedly installed at the output ends of the two groups of second driving members (307).
  6. 6. The equipment for preparing the paper diaper with the leak-proof and hot air spun-bonded composite surface layer according to claim 1, wherein a cavity is formed in the anti-folding thermal welding table (301), a plurality of groups of vacuum adsorption holes (309) are formed in the top of the anti-folding thermal welding table (301), a connecting pipe (310) is fixedly connected to the left side of the anti-folding thermal welding table (301), and a plurality of groups of the vacuum adsorption holes (309) and the connecting pipe (310) are communicated with the inside of the cavity.
  7. 7. The diaper preparation device of the leak-proof and hot air spun-bonded composite surface layer according to claim 1, wherein the driving mechanism (303) comprises a first connecting piece (311) and a second connecting piece (312) which are hinged with each other, hidden grooves (313) are formed in the connecting parts of the first connecting piece (311) and the second connecting piece (312) inside the anti-folding thermal welding table (301) and the anti-folding thermal welding plate (302), a third driving piece (314) is hinged in the hidden grooves (313) on the anti-folding thermal welding table (301), the output end of the third driving piece (314) is hinged with the outer side of the first connecting piece (311), the first connecting piece (311) and the second connecting piece (312) are respectively connected with the anti-folding thermal welding table (301) and the anti-folding thermal welding plate (302) in a rotating mode through connecting shafts (315), and one ends of the first connecting piece (311) and the second connecting piece (312) far away from each other are respectively connected with the anti-folding thermal welding table (301) and the anti-folding thermal welding plate (302) through movable shafts (316).
  8. 8. The equipment for preparing the paper diaper with the leak-proof and hot air spun-bonded composite surface layer according to claim 7, wherein connecting holes (317) are formed at the connecting positions of the inner parts of the two groups of hidden grooves (313) and the connecting shaft (315), and guiding sliding holes (318) are formed at the connecting positions of the inner parts of the two groups of hidden grooves (313) and the movable shaft (316).
  9. 9. The diaper preparation device of the leakage-proof and hot air spun-bonded composite surface layer according to claim 1, wherein the composite component (4) comprises a first composite frame (401) and a second composite frame (402) which are arranged at the front end of the guide frame (305), two lower ends of the first composite frame (401) and two lower ends of the second composite frame (402) are respectively and rotatably connected with a composite roller (403), a first adhesive pipe (404) is fixedly arranged on the back of the first composite frame (401), and a second adhesive pipe (405) and a third adhesive pipe (406) are fixedly arranged on the back of the second composite frame (402).
  10. 10. The equipment for preparing the paper diaper with the leakage-proof and hot air spun-bonded composite surface layer according to claim 9, wherein a plurality of groups of glue dispensing holes (407) are formed in the outer sides of the first glue dispensing pipe (404), the second glue dispensing pipe (405) and the third glue dispensing pipe (406) at equal intervals, and glue conveying pipes (408) are fixedly connected to the left ends of the first glue dispensing pipe (404), the second glue dispensing pipe (405) and the third glue dispensing pipe (406).

Description

Paper diaper with leakage-proof and hot air spun-bonded composite surface layer and preparation equipment thereof Technical Field The invention relates to the technical field of paper diapers, in particular to a paper diaper with a leakage-proof and hot air spun-bonded composite surface layer and preparation equipment thereof. Background With the rapid development of the maternal and infant nursing market, the diaper is used as a daily nursing necessity for infants, the use scene of the diaper is wider, the requirements of consumers on comfort, safety and functionality of the diaper are continuously improved, wherein the leakage-proof performance is one of core indexes affecting the use experience of the diaper and directly relates to the skin health of the infants and the use convenience of parents, at present, the mainstream diaper in the market mostly adopts hot air spun-bonded non-woven fabrics as a surface layer material, the material has the characteristics of softness, skin friendliness, good air permeability and good dryness, the wearing comfort of the infants can be effectively improved, meanwhile, in order to enhance the leakage-proof effect, an elastic baffle edge is arranged at the edge of a core body for part of products, leakage is reduced through the joint leg, but the structure still has leakage-proof blind areas when dealing with the scenes of large activity and more excretion of the infants, and the like, and the omnibearing leakage-proof protection is difficult to realize. The leakage-proof structure of the conventional paper diaper has the defects that firstly, the traditional core body structure is mostly linear, leakage is only carried out by means of side elastic flanges, gaps are easy to appear at the end parts of the core body when infants turn over, creep and the like, so that excrement leaks from the front end and the rear end, secondly, the connection mode of the leakage-proof structure of part of the product and the core body is simpler, mechanical fixation or local adhesion is adopted, loosening and falling of the connection part are easy to occur in the long-term use process, the leakage-proof effect is further reduced, the use effect of the paper diaper is further influenced, and the market competitiveness of the product is restricted. Therefore, it is important to design a disposable diaper with a composite surface layer of leakage-proof and hot air spun-bonded to solve the above-mentioned drawbacks. Disclosure of Invention Aiming at the defects of the prior art, the invention designs a paper diaper with a leakage-proof and hot air spun-bonded composite surface layer and a preparation device thereof, and the paper diaper and the preparation device thereof aim to solve the technical problems that the leakage-proof structure of the paper diaper in the prior art has a dead zone of leakage at the end part, the connection of leakage-proof parts is easy to loosen and fall off, and the omnibearing leakage-proof protection cannot be realized. In order to achieve the above purpose, the present invention provides the following technical solutions: The paper diaper comprises a composite surface layer, wherein the composite surface layer is formed by compositing a first non-woven cloth layer and a second non-woven cloth layer, a C-shaped reverse osmosis core body is arranged between the first non-woven cloth layer and the second non-woven cloth layer, and a diversion layer is arranged between the first non-woven cloth layer and the C-shaped reverse osmosis core body; the left end and the right end of the C-shaped reverse osmosis core body are fixedly connected with elastic flanges, reverse folding structures are arranged on the left end face and the right end face of the C-shaped reverse osmosis core body, the reverse folding structures are fixed through hot welding, and the reverse folding structures and the elastic flanges of the C-shaped reverse osmosis core body form a 360-degree leakage-proof structure together. The utility model provides a diaper preparation equipment of leak protection type and hot-blast spun bond composite surface layer, is used for making above-mentioned leak protection type and hot-blast spun bond composite surface layer's diaper, including carrying the carriage of C shape reverse osmosis core, the front end of carriage is provided with reverse osmosis welding subassembly, reverse osmosis welding subassembly is followed the direction of delivery of carriage and is formed 360 leak protection structures with the reverse osmosis welding of left and right sides of C shape reverse osmosis core, reverse osmosis welding subassembly's front end is provided with the compound subassembly, compound subassembly is with the reverse osmosis welding C shape reverse osmosis core after the reverse osmosis welding, first nonwoven layer, second nonwoven layer and water conservancy diversion layer composite into leak protection type and hot-blast spun bond composite surface layer