CN211095325U

CN211095325U - Sanitary towel polymer absorption core and special punching equipment thereof

Info

Publication number: CN211095325U
Application number: CN201921425285.8U
Authority: CN
Inventors: 黄宏伟; 王立汉; 吴小元; 张维军
Original assignee: Wuhan Chuantian Sanitary Products Co ltd
Current assignee: Wuhan Chuantian Sanitary Products Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-07-28
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a sanitary towel polymer absorbs core and special trompil equipment thereof, the sanitary towel polymer absorbs the core and includes the core body, the core body includes fluff pulp and the cladding of cladding outside the fluff pulp, it has the polymer to absorb the resin to mix in the fluff pulp, the core body is seted up the core hole through trompil equipment, can let the core body keep outside the sufficient absorbing capacity, greatly strengthen air permeability, can accelerate liquid absorption simultaneously, reduce the side leakage risk of sanitary towel, thereby be of value to consumer physical and mental health, promote quality of life, and trompil equipment can carry out the trompil to large batch absorption core, realize serialization production.

Description

Sanitary towel polymer absorption core and special punching equipment thereof

Technical Field

The utility model relates to a sanitary product, in particular to a sanitary towel polymer absorption core and a special tapping device thereof.

Background

In the current market of sanitary products, sanitary towels have basic absorption capacity, but the product has limitation in air permeability, common sanitary towels mainly comprise a surface layer, an absorption core and a waterproof bottom film, wherein the surface layer can adopt hot air/spun-bonded non-woven fabrics with high porosity and better penetrability, the bottom film adopts a PE bottom film which is breathable and waterproof to solve the moisture permeability problem of the sanitary towels, but the air permeability problem of the absorption core cannot be effectively improved, the absorption core can expand and form a gel form after absorbing menstrual blood to form a barrier layer, the breathable and moisture permeability of the sanitary towels can be greatly reduced, consumers can often feel stuffy and wet after applying the sanitary towels, in addition, the absorption core under the stuffy and wet condition can easily cause the breeding of microorganisms, and the negative influence can be brought to the physical and mental health of the consumers.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a sanitary towel polymer absorption core body with enough absorption capacity and strong air permeability and a special hole forming device thereof.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a sanitary towel polymer absorbs core, includes the core body, the core body includes fluff pulp and cladding and is in the outer coating of fluff pulp, core body align to grid has link up the core hole, it has polymer absorption resin to mix in the fluff pulp, the coating cladding the package involution department of fluff pulp is provided with the cladding structure and glues.

The size of the core hole is 0.5-3 mm.

The rate of the core body is 15% -40%.

The coating layer is made of one of hot air non-woven fabric, spun-bonded non-woven fabric, dust-free paper and toilet paper.

The utility model provides an absorb special trompil equipment of core, includes the base and sets up the frame on the base, its characterized in that install the primary and secondary roller of trompil on the frame, the primary and secondary roller of trompil includes independent drive and relative pivoted primary and secondary roller, secondary roller includes the sub-roll body of cast and runs through the sub-pivot of sub-roll body, the roll surface of sub-roll body is followed a plurality of trompil posts of evenly having arranged of the circumferential direction of sub-roll body, primary roller includes the female roll body of cast and runs through the female pivot of female roll body, the roll surface of female roll body be provided with the corresponding trompil groove of trompil post, secondary pivot and synchronous gear is all installed to the end of female pivot.

The end face of the sub-roller body is provided with a plurality of heating through grooves which are evenly distributed in an annular mode and penetrate through the sub-roller body.

The utility model has the advantages that: the utility model discloses a mix in the fluff pulp has the polymer to absorb resin, and the core body is seted up through dedicated trompil equipment has the core hole, can let the core body keep outside the sufficient absorbing capacity, greatly strengthens air permeability, can accelerate liquid absorption simultaneously, reduces sanitary towel's side leakage risk to be of value to consumer physical and mental health, promote quality of life, and the trompil equipment can carry out the trompil to large batch absorption core, realizes serialization production.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of an absorbent core;

FIG. 2 is a schematic structural diagram of a dedicated tapping device;

FIG. 3 is a front cross-sectional view of a sub-roller;

FIG. 4 is a side cross-sectional view of a sub-roller;

FIG. 5 is a front cross-sectional view of a parent roll;

FIG. 6 is a side cross-sectional view of a parent roll.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without creative work belong to the scope of the present invention.

The directional or positional relationships "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are those shown in the drawings, are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention.

Referring to fig. 1, a sanitary napkin polymer absorption core comprises a core body 1, wherein the core body 1 comprises fluff pulp 2 and a coating layer 3 coated outside the fluff pulp 2, polymer absorption resin 5 (the mixture is simple and mixed here) is mixed in the fluff pulp 2, a coating structure adhesive 6 is arranged at the wrapping and folding sealing position of the coating layer 3 for coating the fluff pulp 2, the core body 1 is uniformly arranged and penetrated with core holes 4, the core body 1 can keep enough absorption capacity, the air permeability is greatly enhanced, meanwhile, the liquid absorption can be accelerated, the side leakage risk of the sanitary napkin is reduced, the physical and mental health of consumers is facilitated, the life quality is improved, the core holes 4 can be arranged at equal intervals, can be arranged according to geometric figures or random, the aperture ratio of the core body 1 is 15% -40%, the size of the core hole 4 is 0.5-3mm, and the coating layer 3 is one of hot air non-woven fabric, spun-bonded non-woven fabric, dust-free paper and toilet paper.

Referring to fig. 2 to 6, a special punching device for absorbing a core body comprises a base 7 and a frame 8 arranged on the base 7, wherein the frame 8 is provided with a punching primary roller and a punching secondary roller, the punching primary roller and the punching secondary roller comprise a primary roller 9 and a secondary roller 10 which are independently driven and rotate in opposite directions, two pairs of bearings 19 for placing the primary roller 9 and the secondary roller 10 are symmetrically arranged on the left side and the right side of the frame 8, the primary roller 9 comprises a tubular primary roller body 18 and a secondary rotating shaft 11 penetrating through the primary roller body 18, the secondary rotating shaft 11 is in interference fit with the primary roller body 18, a plurality of punching columns 12 are uniformly distributed on the roller surface of the primary roller body 18 along the circumferential direction of the primary roller body 18, the cross-sectional area and the area of the punching columns 12 are the same as those of the core body hole 4, the primary roller 10 comprises a tubular primary roller body 13 and a primary rotating shaft 14 penetrating through the primary roller body 13, and the primary rotating shaft 14 is in interference fit, the roll surface of female roll body 13 be provided with the corresponding trompil groove 15 of trompil post 12, sub-pivot 11 and synchronous gear 16 is all installed to the end of female pivot 14, only needs ordinary servo motor to cup joint two synchronous gears of sub-roller and female roller through the hold-in range, can order about sub-roller and female roller synchronous phase to the rotation, and trompil primary and secondary roller can pierce through the trompil to the absorption core, realizes serialization production, because sub-roll body 18 the trompil post 12 with female roll body 13's trompil groove 15 is mutually supported, when absorbing the core trompil, and trompil post 12 can run through the absorption core completely, compares in the trompil mode that the perforation of pressure hole roller cooperation flat roll does not run through, more can strengthen the gas permeability of absorbing the core.

The terminal surface of sub-roll body 18 is provided with a plurality of even annular and arranges and run through sub-roll body 18's heating through groove 17 for place the heating pipe, cooperation rotating electrode heats sub-roller and female roller, utilizes heating element heating compression roller such as rotating electrode, heating pipe for the common technique in roll-in production field, and this application does not improve, does not carry out detailed description here, and in this embodiment, the temperature control of sub-roller and female roller is at 70-100 ℃, makes the absorption core produce good design effect simultaneously in the trompil.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.

Claims

1. The utility model provides a sanitary towel polymer absorbs core, includes core body (1), core body (1) includes fluff pulp (2) and cladding and is in coating (3) outside fluff pulp (2), its characterized in that core body (1) align to grid has link up core hole (4), it has polymer absorbent resin (5) to mix in fluff pulp (2), coating (3) cladding the package involution department of fluff pulp (2) is provided with cladding structure and glues (6).

2. A polymeric absorbent core for sanitary napkins according to claim 1, wherein said core apertures (4) have a size of 0.5-3 mm.

3. The polymeric absorbent core of sanitary napkin according to claim 1, wherein the core body (1) has an open area ratio of 15% to 40%.

4. The polymeric absorbent core of sanitary napkin according to claim 1, wherein said covering layer (3) is one of hot air non-woven fabric, spun-bonded non-woven fabric, dust-free paper and toilet paper.

5. A special opening device for an absorbent core according to claim 1, comprising a chassis (7) and a frame (8) arranged on the chassis (7), it is characterized in that the frame (8) is provided with a primary and secondary perforated rollers which comprise a primary roller (9) and a secondary roller (10) which are independently driven and rotate in opposite directions, the sub-roller (9) comprises a tubular sub-roller body (18) and a sub-rotating shaft (11) which penetrates through the sub-roller body (18), a plurality of perforated columns (12) are uniformly distributed on the surface of the sub-roller body (18) along the circumferential direction of the sub-roller body (18), the female roller (10) comprises a tubular female roller body (13) and a female rotating shaft (14) penetrating through the female roller body (13), the roll surface of the female roll body (13) is provided with a perforated groove (15) corresponding to the perforated column (12), and the tail ends of the sub rotating shaft (11) and the main rotating shaft (14) are provided with synchronous gears (16).

6. A special tapping device as claimed in claim 5, characterized in that the end faces of the sub-roll bodies (18) are provided with a number of heating through slots (17) arranged uniformly in a ring and extending through the sub-roll bodies (18).