CN108813801A - A kind of multi-density sole and preparation method thereof - Google Patents
A kind of multi-density sole and preparation method thereof Download PDFInfo
- Publication number
- CN108813801A CN108813801A CN201810745682.7A CN201810745682A CN108813801A CN 108813801 A CN108813801 A CN 108813801A CN 201810745682 A CN201810745682 A CN 201810745682A CN 108813801 A CN108813801 A CN 108813801A
- Authority
- CN
- China
- Prior art keywords
- indsole
- sole
- outsole
- density
- adhesive film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/02—Soles; Sole-and-heel integral units characterised by the material
- A43B13/12—Soles with several layers of different materials
- A43B13/125—Soles with several layers of different materials characterised by the midsole or middle layer
- A43B13/127—Soles with several layers of different materials characterised by the midsole or middle layer the midsole being multilayer
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D25/00—Devices for gluing shoe parts
- A43D25/18—Devices for applying adhesives to shoe parts
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D25/00—Devices for gluing shoe parts
- A43D25/20—Arrangements for activating or for accelerating setting of adhesives, e.g. by using heat
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
- A43D35/00—Presses for shaping pre-existing loose soles, shoe bottoms or soles fixed to shoe bottoms
Abstract
The present invention relates to a kind of multi-density soles, including outsole, the first indsole being compounded in outsole and the second indsole being compounded in the first indsole, hot melt adhesive film is equipped between first indsole and the outsole, first indsole, the outsole and hot melt adhesive film three are fixed together by way of mould heat pressure, and second indsole is fixed on the upper surface of first indsole by bonding method.After the technical solution, outsole is embossed in the lower surface of the first indsole by hot melt adhesive film, can reduce the probability of outsole Yu the first indsole delamination, guarantees the stability and snugness of fit of entire sole, while being able to ascend entire sole processing effect.The invention also provides the production methods of multi-density sole, in entire production method, it is bonded between outsole and the first indsole by hot melt adhesive film molding, it is bonded between first indsole and the second indsole by adhesive, it is able to ascend the processing efficiency of entire sole, while can guarantee the stability of entire sole again.
Description
Technical field
The present invention relates to a kind of multi-density soles and preparation method thereof.
Background technique
There is a kind of polychrome multi-density sole in market at present, generally comprise outsole, the first indsole for being compounded in outsole and
The second indsole being compounded in the first indsole, outsole use rubber, and the first indsole and the second indsole use the EVA of different densities,
In production, rubber sole is first fitted in the lower surface of the first indsole by way of brush coating of polishing, passes through brush coating again later
Second indsole is fitted in the upper surface of the first indsole by the mode of bonding.The sole of above structure in use, degumming wind
Danger is relatively large, influences the comfort of dress, and the processing and manufacturing of sole is more troublesome, and traditional polychrome multi-density
Sole is usually thicker, and elasticity and bending property are to poor.
In consideration of it, inventor furthers investigate the above problem, there is this case generation then.
Summary of the invention
The purpose of the present invention is to provide a kind of stable structure, multi-density sole comfortable and easy to wear.
Another object of the present invention is to provide a kind of production method of multi-density sole, which be can be improved
The processing efficiency of sole and the stability for promoting sole.
In order to achieve the above object, the present invention uses such technical solution：
A kind of multi-density sole, including outsole, the first indsole being compounded in outsole and be compounded in the first indsole
Two indsoles are equipped with hot melt adhesive film, first indsole, the outsole and hot melt between first indsole and the outsole
Glue film three is fixed together by way of mould heat pressure, and second indsole is fixed on described first by bonding method
The upper surface of indsole.
As a kind of preferred embodiment of the invention, the outsole is rubber, and first indsole and second indsole are equal
For EVA indsole.
As a kind of preferred embodiment of the invention, the shore hardness of the rubber in 62-65 degree, first indsole
Shore hardness is in 48-52 degree, and the shore hardness of second indsole is in 53-57 degree.
As a kind of preferred embodiment of the invention, first indsole is different from the density of second indsole.
As a kind of preferred embodiment of the invention, the density of first indsole is 0.23g/cm3, second indsole
Density be 0.12g/cm3。
As a kind of preferred embodiment of the invention, the lower surface of first indsole offers the limiting slot upwardly extended,
The upper surface of the outsole is embedded in limiting slot.
As a kind of preferred embodiment of the invention, first indsole is equipped with multiple through-holes, and through-hole is from described first
The lower surface at bottom is through to upper surface, multiple ring-shaped steps is equipped on the hole wall of through-hole, from the lower surface of first indsole
The aperture of supreme surface direction, multiple ring-shaped step coaxial arrangements and multiple ring-shaped steps is gradually reduced.
As a kind of preferred embodiment of the invention, U-shaped damping trough, U-shaped damping are offered on the side wall of first indsole
Slot extends to rear heel on the left of the preceding metacarpus of first indsole, then the right side of preceding metacarpus, U-shaped are extended to from rear heel
Damping trough is horizontally disposed.
The present invention relates to a kind of production methods of multi-density sole, include the following steps：
A, rubber sole is stacked together with hot melt adhesive film, is placed in mold, by rubber sole and hot melt adhesive film hot pressing
It is combined with each other to form the rubber sole with hot melt adhesive film；
B, the rubber sole that the first indsole and step A obtain is stacked together and is placed in mold, under the first indsole
Surface corresponds to the placement of thermosol glue-line, and the first indsole, hot melt adhesive film and rubber sole hot pressing are combined with each other；
C, by the lower surface of the second indsole and/or the upper surface brush coating of first indsole, by the second indsole and described the
One indsole is stacked together, and will apply pressure to first indsole and the second indsole by press device, by described first
Indsole is pasted together with the second indsole.
As a kind of preferred embodiment of the invention, in step A, the shore hardness of rubber sole is 65 degree, and hot pressing is compound
Temperature is 150 to 160 DEG C, and the time is 135 to 145 seconds, and pressure is 145 to 155kg/cm2；
In step B, first EVA material is placed in mold and is foamed to obtain first indsole, blowing temperature 170 to
172 DEG C, the time is 500 to 520 seconds, and pressure is 145 to 155kg/cm2；The shore hardness of first indsole is in 48-52 degree, step
For the compound temperature of hot pressing at 175 to 178 DEG C, heating time 445 to 455 seconds, pressure is 80 to 100kg/cm in B2；
In step C, the pressure of application is 30 to 40kg/cm2, the time 6 to 8 seconds.
After technical solution of the present invention, outsole is embossed in the lower surface of the first indsole by hot melt adhesive film, can drop
The probability of low outsole and the first indsole delamination, guarantees the stability and snugness of fit of entire sole, while being able to ascend entire
Sole processing effect.The invention also provides the production methods of multi-density sole, in entire production method, outsole and first
It is molded and is bonded by hot melt adhesive film between indsole, bonded, be able to ascend whole by adhesive between the first indsole and the second indsole
The processing efficiency of a sole, while can guarantee the stability of entire sole again.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is bottom view of the invention；
In figure：
10- the first indsole 11-U shape damping trough
12- auxiliary bending slot 13- through-hole
14- ring-shaped step the second indsole of 20-
30- outsole 40- bent passage
50- limiting slot
Specific embodiment
In order to further explain the technical solution of the present invention, being described in detail with reference to the accompanying drawing.
Referring to figs. 1 to Fig. 2, a kind of multi-density sole corresponds to ball of foot in order to facilitate description of the invention with sole
Position is preceding metacarpus, and the position of corresponding heel is rear heel, and the position of corresponding arch of foot is arch portion, and sole of the present invention includes
Outsole 30, the first indsole 10 being compounded in outsole 30 and the second indsole 20 being compounded in the first indsole 10, in described first
It is equipped with hot melt adhesive film (because of thinner thickness, being not shown in the figure) between bottom 10 and the outsole 30, it is first indsole 10, described
Outsole 30 and hot melt adhesive film three are fixed together by way of mould heat pressure, and second indsole 20 passes through adhesive
Bonding method is fixed on the upper surface of first indsole 10.The multi-density sole is fixed together and can be formed with vamp
Playshoes or sport footwear.
As a kind of preferred embodiment of the invention, the outsole 30 is rubber, in first indsole 10 and described second
Bottom 20 is EVA indsole.
As a kind of preferred embodiment of the invention, the shore hardness of the rubber is in 62-65 degree, first indsole 10
Shore hardness in 48-52 degree, the shore hardness of second indsole 20 is in 53-57 degree.
As a kind of preferred embodiment of the invention, first indsole 10 is different from the density of second indsole 20.
As a kind of preferred embodiment of the invention, the density of first indsole is 0.23g/cm3, second indsole
Density be 0.12g/cm3.As a kind of preferred embodiment of the invention, the lower surface of first indsole 10 is offered upwards
The upper surface of the limiting slot 50 of extension, the outsole 30 is embedded in limiting slot 50, and limiting slot is stretched out in the lower surface of outsole 30
50.By the way that limiting slot 50 is arranged, it can further limit outsole 30 and be slid relative to the first indsole 10.
As a kind of preferred embodiment of the invention, first indsole 10 is equipped with multiple through-holes 13, and through-hole 13 is from described
The lower surface of first indsole 10 is through to upper surface, multiple ring-shaped steps 14 is equipped on the hole wall of through-hole 13, from described first
The aperture of the supreme surface direction in the lower surface of indsole 10, multiple coaxial arrangements of ring-shaped step 14 and multiple ring-shaped steps 14 is gradually
Reduce.In embodiment, a through-hole 13, preceding metacarpus setting is arranged in one, the center of rear heel through-hole 13, the center of arch portion
Six through-holes 13, three through-holes are one group, and two groups of through-holes set up separately in the two sides of preceding metacarpus.Using this structure, can mitigate
The weight of first indsole 10 so that the weight of entire sole is lighter, while through-hole 13 setting but also the first indsole 10 more
It is easy bending, in embodiment, outsole 30 is muti-piece rubber block, and bent passage 40 is formed between rubber block, and the correspondence of through-hole 13 is set
It sets in bent passage 40, so that the first indsole 10 is more easier to bend, and then improves the bending of entire sole
Energy.And the present invention, the setting of through-hole 13 and ring-shaped step 14, allow to receive the first indsole 10 and the second indsole 20
Deformation, so that sole plays better damping, buffering effect.
As a kind of preferred embodiment of the invention, U-shaped damping trough 11, U-shaped are offered on the side wall of first indsole 10
Damping trough 11 extends to rear heel on the left of the preceding metacarpus of first indsole 10, then extends to preceding metacarpus from rear heel
Right side, U-shaped damping trough 11 are horizontally disposed.By the setting of U shape damping trough 11, sole being capable of more preferable landform when being pressurized
Become, plays better damping effect.Preferably, it is also provided with auxiliary bending slot 12 on the side wall of the first indsole 10, assists curved
Folding slot 12 is inclined relative to horizontal setting, and is connected with above-mentioned bent passage 40, so that more holding when sole stress
Pliable and rebound.
The present invention relates to a kind of production methods of multi-density sole, include the following steps：
A, rubber sole 30 is stacked together with hot melt adhesive film, is placed in mold, by rubber sole 30 and hot melt adhesive film
Hot pressing is combined with each other the rubber sole 30 to be formed with hot melt adhesive film；As a kind of preferred embodiment of the invention, in step A,
The shore hardness of rubber sole 30 is 65 degree, and the compound temperature of hot pressing is 150 to 160 DEG C, and the time is 135 to 145 seconds, pressure
It is 145 to 155kg/cm2；
B, the obtained rubber sole 30 of the first indsole 10 and step A is stacked together and is placed in mold, the first indsole
10 lower surface corresponds to the placement of thermosol glue-line, and the first indsole 10, hot melt adhesive film and 30 hot pressing of rubber sole are compounded in one
It rises；Preferably, in step B, first EVA material is placed in mold and is foamed to obtain first indsole 10, blowing temperature exists
170 to 172 DEG C, the time is 500 to 520 seconds, expansion ratio 1.7, and pressure is 145 to 155kg/cm2；Shao of first indsole 10
Family name's hardness compound temperature of hot pressing in 48-52 degree, step B in 175 to 178 DEG C, heating time 445 to 455 seconds, pressure is
80 to 100kg/cm2；In order to increase the bonding firmness between the first indsole 10 and outsole 30, foaming obtains the first indsole 10
Afterwards, it after 24 hours cooling, can polish the surface of the first indsole 10.
C, by the lower surface of the second indsole 20 and/or the upper surface brush coating of first indsole 10, by the second indsole 20 with
First indsole 10 is stacked together, and will apply pressure to first indsole 10 and the second indsole 20 by press device
First indsole 10 and the second indsole 20 are pasted together by power.In embodiment, by the first indsole 10 and the second indsole
20 carry out pickling, and the time can be 10 minutes, and the temperature of descaling bath at 50 to 60 DEG C, later will between 2.5 to 3 by PH
First indsole 10 and the second indsole 20 are placed in rinse bath and are cleaned, and the time can be 10 minutes, and Rinsing Area temperature is 50 to 60
DEG C, the first indsole 10 and the second indsole 20 are in an oven dried moisture later, oven temperature is controlled at 60 to 70 DEG C.It
Afterwards, the corresponding brush UV inorganic agent on binding face, and UV irradiation is carried out with to binding face, irradiation energy is 0.5 to 0.75j/m2。
Later, first time brush coating (mixing using PU glue and curing agent) is carried out in the first indsole 10 and the second indsole 20,55 to
65 DEG C of drying, carry out second of brush coating, the temperature of drying is at 65 to 70 DEG C later.Using this rubberizing technique, it is able to ascend
Bond properties between one indsole 10 and the second indsole 20.
In step C, the pressure of application is 30 to 40kg/cm2, the time 6 to 8 seconds.Preferably, it is carried out by fist press
It presses 1-2 seconds, pressure is 30 to 35kg/cm2, then by omnipotent press carry out pressurization 5-6 seconds, pressure is 35 to 40kg/cm2,
So that the first indsole 10 steadily fits together with the second indsole 20.
The first indsole 10 and the second indsole 20 can use different colours in the present invention, form polychrome sole, the first indsole
10 and second indsole 20 can use different colours and different densities, formed polychrome multi-density sole.
Product form of the invention is not limited to this case diagram and embodiment, anyone carries out similar thinking to it and fits
Work as changes or modifications, all should be regarded as not departing from patent category of the invention.
Claims (10)
1. a kind of multi-density sole, including outsole, the first indsole being compounded in outsole and be compounded in the first indsole second
Indsole, it is characterised in that：Hot melt adhesive film, first indsole, the outsole are equipped between first indsole and the outsole
And hot melt adhesive film three is fixed together by way of mould heat pressure, second indsole is fixed on institute by bonding method
State the upper surface of the first indsole.
2. a kind of multi-density sole as described in claim 1, it is characterised in that：The outsole is rubber, first indsole
It is EVA indsole with second indsole.
3. a kind of multi-density sole as claimed in claim 2, it is characterised in that：The shore hardness of the rubber in 62-65 degree,
The shore hardness of first indsole is in 48-52 degree, and the shore hardness of second indsole is in 53-57 degree.
4. a kind of multi-density sole as described in claim 1, it is characterised in that：First indsole and second indsole
Density is different.
5. a kind of multi-density sole as claimed in claim 4, it is characterised in that：The density of first indsole is 0.23g/
cm3, the density of second indsole is 0.12g/cm3。
6. a kind of multi-density sole as described in claim 1, it is characterised in that：The lower surface of first indsole opens up oriented
The upper surface of the limiting slot of upper extension, the outsole is embedded in limiting slot.
7. a kind of multi-density sole as described in claim 1, it is characterised in that：First indsole is equipped with multiple through-holes,
Through-hole is through to upper surface from the lower surface of first indsole, multiple ring-shaped steps is equipped on the hole wall of through-hole, from described
The aperture of the supreme surface direction in the lower surface of first indsole, multiple ring-shaped step coaxial arrangements and multiple ring-shaped steps gradually subtracts
It is small.
8. a kind of multi-density sole as claimed in claim 7, it is characterised in that：U is offered on the side wall of first indsole
Shape damping trough, U-shaped damping trough extend to rear heel on the left of the preceding metacarpus of first indsole, then before extending to from rear heel
The right side of metacarpus, U-shaped damping trough are horizontally disposed.
9. a kind of production method of multi-density sole, which is characterized in that include the following steps：
A, rubber sole is stacked together with hot melt adhesive film, is placed in mold, rubber sole and hot melt adhesive film hot pressing is compound
The rubber sole with hot melt adhesive film is formed together；
B, the rubber sole that the first indsole and step A obtain is stacked together and is placed in mold, the lower surface of the first indsole
Corresponding thermosol glue-line is placed, and the first indsole, hot melt adhesive film and rubber sole hot pressing are combined with each other；
It C, will be in the second indsole and described first by the lower surface of the second indsole and/or the upper surface brush coating of first indsole
Bottom is stacked together, and will apply pressure to first indsole and the second indsole by press device, by first indsole
It is pasted together with the second indsole.
10. a kind of production method of multi-density sole as claimed in claim 9, it is characterised in that：
In step A, the shore hardness of rubber sole is 65 degree, and the compound temperature of hot pressing is 150 to 160 DEG C, the time for 135 to
145 seconds, pressure was 145 to 155kg/cm2；
In step B, first EVA material is placed in mold and is foamed to obtain first indsole, blowing temperature at 170 to 172 DEG C,
Time is 500 to 520 seconds, and pressure is 145 to 155kg/cm2；The hot pressing in 48-52 degree, step B of the shore hardness of first indsole
For compound temperature at 175 to 178 DEG C, heating time 445 to 455 seconds, pressure is 80 to 100kg/cm2；
In step C, the pressure of application is 30 to 40kg/cm2, the time 6 to 8 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810745682.7A CN108813801A (en) | 2018-07-09 | 2018-07-09 | A kind of multi-density sole and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810745682.7A CN108813801A (en) | 2018-07-09 | 2018-07-09 | A kind of multi-density sole and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108813801A true CN108813801A (en) | 2018-11-16 |
Family
ID=64136153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810745682.7A Pending CN108813801A (en) | 2018-07-09 | 2018-07-09 | A kind of multi-density sole and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108813801A (en) |
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| CN105768347A (en) * | 2016-04-26 | 2016-07-20 | 特步(中国)有限公司 | Shock-absorption soles and shock absorption shoes adopting same |
| US20170238652A1 (en) * | 2016-02-24 | 2017-08-24 | Nike, Inc. | Dual Layer Sole System With Auxetic Structure |
| CN208491007U (en) * | 2018-07-09 | 2019-02-15 | 特步(中国)有限公司 | A kind of multi-density sole |
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|---|---|---|---|---|
| CN101683194A (en) * | 2008-09-26 | 2010-03-31 | 纪正贤 | Method for manufacturing foamed shoe bodies |
| CN102223817A (en) * | 2008-09-26 | 2011-10-19 | 耐克国际有限公司 | Shoe having a midsole with heel support |
| CN101912179A (en) * | 2010-08-25 | 2010-12-15 | 潘光圣 | Footwear with double-density midsole |
| CN202907937U (en) * | 2012-12-03 | 2013-05-01 | 泉州鸿荣轻工有限公司 | Shoe and double-density damping sole thereof |
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Application publication date: 20181116 |