A kind of production method of breast pad
Technical field
The present invention relates to the technical field of breast pad, is specifically a kind of breast pad and its production method.
Background technology
Chinese patent literature notification number CN202999323U discloses a kind of spill-preventive breast pad, including hydrophilic nonwoven fabrics(Lead
Water layer), waterproof counterdie(That is waterproof layer)And absorber(That is water accepting layer)Composition, such as Fig. 1, the crack both ends embossing being folded to form
Heat seal is fixed, and the semicircle middle part formed after doubling is respectively provided with elastic 4, and elastic 4 is fixed by glue section, is more easy to breast pad formation personal
Stereo structure.There is the central surrounding of breast pad fixed water conservancy diversion to be embossed 5.
On the production line for producing above-mentioned breast pad, the elastic is continuous and in the state that is stretched;In breast pad, elastic
Stage casing complete the process that glue section is fixed after, the elastic is cut off at the edge of above-mentioned breast pad, elastic is linearly distributed in
The both sides of breast pad, such as Fig. 2.
Such breast pad is during use, and two elastics are shunk in the same direction, although can be by the breast
Pad is shrunk to mouth mask shape, can not form taper, is mismatched with the shape of breast, feels that both sides are substantially shunk during use, in
Between do not shrink, not comfortable enough and attractive in appearance, and breast pad gas permeability is poor, especially nipple area, poor air permeability, easily grow thin
Bacterium, harm may be produced to baby.
The content of the invention
The technical problem to be solved in the present invention is to provide it is a kind of it is simple in construction, use when molding effect is more preferable, gas permeability compared with
Good breast pad.
In order to solve the above-mentioned technical problem, the technical scheme is that shrink in the same direction two elastics are set
Put and shunk in different directions so that the breast pad is shrunk to taper, and the center of the water accepting layer in breast pad when using
Compression molding has a relief region, more ventilative during use.
The invention provides a kind of breast pad, including:Water guide layer, hydrophilic monomers and the waterproof layer being sequentially stacked, and symmetrically
Be arranged on the hydrophilic monomers can elastic shrinkage elastic, the elastic is arranged on the water guide layer and the hydrophilic monomers
Between, or the elastic is arranged between the waterproof layer and the hydrophilic monomers, and the elastic is C-shaped, and/or S-shaped,
And/or W shapes distribution.The elastic is fixed with the hydrophilic monomers by glueds joint.
Further, no intersection point or there can be an intersection point between two elastics or there are multiple intersection points, curve is set
The elastic put causes multiple directions stress when breast pad shrinks, and can shrink coning, match with the shape of breast.
The hydrophilic monomers are at least one of cotton core, wood pulp, toilet paper or SAP, can effectively absorb the breast of spilling
Juice.
The central compression molding of the hydrophilic monomers has relief region, in use, nipple be in breast pad central portion and with institute
State that relief region is relative, increase the gas permeability in region residing for nipple.
Water guide layer, hydrophilic monomers and the waterproof layer are fixed by heat seal mode or ultrasonic bonding is fixed or glue glues
Connect fixation.
A kind of production method of above-mentioned breast pad, including:
A, multiple hydrophilic monomers are laid on waterproof layer or water guide layer and carry out straight line conveying;Wherein, the hydrophilic monomers
Central compression molding have relief region.
B, the both sides difference preset length of the hydrophilic monomers is continuous and coats the elastic of glue, and mechanism is worn by elastic
Default elastic is promoted to be moved back and forth with the conveying direction of the hydrophilic monomers on the vertical or oblique direction intersected.
C, waterproof layer is laid above each hydrophilic monomers, so that hydrophilic monomers are between water guide layer and waterproof layer;It is described
Elastic is fixed on the hydrophilic monomers, and/or the waterproof layer by glue.
D, the waterproof layer and water guide layer fixed bonding, acquisition one breast are padded into base material along each hydrophilic monomers periphery.
E, the elastic is cut(Preferably, the elastic, water guide layer and waterproof layer are synchronously cut, and obtain newborn pad).
In step B, elastic wears structure and drives ball wire rod mechanism for servomotor, in the transmission line of the hydrophilic monomers
Both sides respectively set one, and each self-propelled elastic is in the vertical or oblique direction intersected with the hydrophilic monomers conveying direction respectively
Upper reciprocating motion;Because the relatively described elastic of the hydrophilic monomers has carried out the relative motion of two different directions, thus it is described
Elastic curved distribution on the hydrophilic monomers.
The driving velocity of mechanism is worn by the transmission speed and the elastic that adjust the hydrophilic monomers, institute can be adjusted
State distribution shape of the elastic on single hydrophilic monomers.
Further, the reciprocating stroke of the elastic is adjusted, two elastics phase on single hydrophilic monomers can be controlled
The number of friendship.
The surface coating glue of the elastic, is easy to the elastic to be glued on the hydrophilic monomers.
Further, the glue is moment glue, it can be ensured that the elastic is glued with the hydrophilic monomers moment.
Further, the elastic wears mechanism and can also be cam mechanism, for controlling the shift reciprocately of the elastic.
The above-mentioned technical proposal of the present invention has advantages below compared with prior art:(1)The breast of the present invention pads when in use,
Elastic is shunk in a plurality of directions so that the molding effect of breast pad is more preferable;(2)The medial surface center of hydrophilic monomers is molded into
Type has a relief region, more ventilative during use;(3)Attaching glue section is substituted by coating moment glue, bonding effect is more preferable.
Brief description of the drawings
In order that present disclosure is more likely to be clearly understood, below according to specific embodiment and with reference to accompanying drawing,
The present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of the medial surface of the breast pad of prior art;
Fig. 2 is the structural representation of the breast pad in Fig. 1;
Fig. 3 is the structural representation of the breast pad of embodiment one;
Fig. 4 is Fig. 3 cross-sectional view;
Fig. 5 is the structural representation of the breast pad of embodiment two;
Fig. 6 is the structural representation of the breast pad of embodiment three;
Fig. 7 is the structural representation of the breast pad of example IV;
Fig. 8 is the structural representation of the breast pad of embodiment five;
Schematic diagram when Fig. 9 is present invention production.
In figure:Water guide layer 1, hydrophilic monomers 2, waterproof layer 3, elastic 4, water conservancy diversion embossing 5, relief region 6, elastic wears mechanism
7。
Embodiment
Embodiment 1
As Figure 3-Figure 4, the breast pad of the present embodiment includes:The water guide layer 1 being sequentially stacked(Non-woven fabrics typically is used,
Can cotton or gauze etc.), hydrophilic monomers 2(It is preferred that absorbent polymer powder)With waterproof layer 3(It is preferred that PE films or other fluid-tight films
Material), and be symmetricly set on hydrophilic monomers 2 can elastic shrinkage 2 elastics 4,4 C-shaped distribution of elastic, and two elastics
There is no intersection point between 4, elastic 4 is arranged between water guide layer 1 and hydrophilic monomers 2.
The central compression molding of hydrophilic monomers 2 has a relief region 6, and relief region 6 is directed at breast during use, and air permeable effect is more
It is good.
During production, as shown in figure 9, comprising the following steps:
A, hydrophilic monomers 2 are laid in upper water guide layer 1 and carries out straight line conveying;Wherein, the central compression molding of hydrophilic monomers 2
There is relief region 6.
B, by elastic wear mechanism 7 wear respectively in the both sides of the hydrophilic monomers 2 of straight line continuous conveying length it is continuous and
The elastic 4 of glue is coated, elastic 4 moves back and forth on the direction vertical with the conveying direction of hydrophilic monomers 2;Elastic 4 passes through wink
Between glue be fixed on hydrophilic monomers 2.
C, waterproof layer 3 is laid above each hydrophilic monomers 2, so that hydrophilic monomers 2 are between water guide layer 1 and waterproof layer 3;
Waterproof layer 3 and water guide layer 2 are fixed using ultrasonic bonding along each periphery of hydrophilic monomers 2, obtain one breast pad base material.
D, elastic 4, water guide layer 1 and waterproof layer 3 are synchronously cut, and obtain newborn pad.
Elastic wears mechanism 7 and drives ball screw for servomotor, respectively sets one the transmission line both sides of hydrophilic monomers 2 are alternate
Platform, respectively each self-propelled elastic 4 moved back and forth on the direction that the conveying direction with hydrophilic monomers 2 intersects vertically;Due to
Hydrophilic monomers 2 have carried out the relative motion of two different directions with respect to elastic 4, therefore elastic 4 is curved point on hydrophilic monomers 2
Cloth.
By setting hydrophilic monomers 2, the transporting velocity of elastic 4 and reciprocating stroke so that elastic 4 is in hydrophilic monomers
C-shaped distribution on 2.
Moment glue is coated on the surface of elastic 4, is easy to elastic to be glued on hydrophilic monomers 2.
Embodiment 2
On the basis of embodiment 1, there is following modification in the present embodiment:
Such as Fig. 5, two elastics of adjustment wear the reciprocating stroke of mechanism 7 so that two elastics can move to suction
The middle section of aqueous monomer 2, so that two elastics 4 intersect in the center of hydrophilic monomers 2.
Embodiment 3
On the basis of embodiment 1, there is following modification in the present embodiment:
Such as Fig. 6, two elastics of adjustment wear the reciprocating stroke of mechanism 7 so that all super when two elastics are done exercises
The middle section of hydrophilic monomers 2 is crossed, two elastics 4 is intersected twice in single hydrophilic monomers 2.
Embodiment 4
On the basis of embodiment 1, there is following modification in the present embodiment:
Such as Fig. 7, two elastics of adjustment wear the reciprocating stroke of mechanism 7 and the transmission speed of hydrophilic monomers 2, make elastic
The 4 S-shaped distributions on single hydrophilic monomers 2.
Embodiment 5
On the basis of embodiment 1, there is following modification in the present embodiment:
Such as Fig. 8, two elastics of adjustment wear the reciprocating stroke of mechanism 7 and the transmission speed of hydrophilic monomers 2, make elastic
The 4 W-shaped distributions on single hydrophilic monomers 2.
Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and is not to the present invention
The restriction of embodiment.For those of ordinary skill in the field, it can also be made on the basis of the above description
Its various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
Among the obvious changes or variations that bright spirit is extended out is still in protection scope of the present invention.