CN108095245A - Wear-resisting anti-slip sole structure - Google Patents
Wear-resisting anti-slip sole structure Download PDFInfo
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- CN108095245A CN108095245A CN201711346843.7A CN201711346843A CN108095245A CN 108095245 A CN108095245 A CN 108095245A CN 201711346843 A CN201711346843 A CN 201711346843A CN 108095245 A CN108095245 A CN 108095245A
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- tpu membrane
- wear
- tpu
- outsole
- layer
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- 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
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B13/00—Soles; Sole-and-heel integral units
- A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
- A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
The present invention provides a kind of wear-resisting anti-slip sole structure, by using material of the thermoplastic polyurethane (TPU) as shoe body outsole, to utilize TPU material properties, the TPU membrane piece outsole is made directly to bond simultaneously plastotype through being heated in a mould with middle bottom material, the integrally formed sole complex of outsole and midsole is formed, reaches and a kind of wear-resisting anti-slip sole structure with the wear-resisting of more excellent sole, on-slip and soft comfortable using TPU material properties and with more traditional rubber soles is provided；Simultaneously, the wear-resisting anti-slip sole structure of the present invention has many advantages, such as the footwear sole construction that processing technology is simple, flash waste material can recycle completely, speed of production is fast, realizes and shortens shoe sole production processing procedure, reduce energy consumption, reduce cost of labor, meet the advantageous effects such as intelligence production.
Description
Technical field
The present invention relates to footwear technologies, relate in particular to wear-resisting anti-slip sole structure.
Background technology
Shoe body structure mainly includes sole and vamp, and the sole is divided into as midsole and outsole, and midsole generally refers to and foot
The layer structure of bottom contact, outsole generally refer to be located under midsole and as the layer structures that the shoe body bottom is contacted with road surface,
In, outsole needs to play the effects that anti-skidding, wear-resisting, anticorrosive well because of the bottommost positioned at shoe body, and rubber is with soft
Soft, elastic, resistant to bending, on-slip and the material properties such as wear-resisting, therefore have rubber as the technology of the main material of functional sole of shoe
Last 100 years history includes from the natural rubber of early stage to artificial rubber：SBR, NBR, EPDM, BR, IIR, CR, FKM etc. are extensively
It is general to apply to material for sole of shoe and its processing procedure.
However, rubber material is thermo-setting elastomer, have it is heavier, easily spit white (quality problem), it is not perishable that (environmental protection is asked
Topic), it is not hard easily by prick thoroughly, gas permeability and hygroscopicity it is bad, be afraid of oil immersion bubble and should not filling station etc. contact oil
The material properties such as wear in place.In addition, blocking rubber first must be included initiator with other, handed over by the manufacture of rubber shoe outsole
Join the auxiliary agents such as agent, filler, plasticizer, oil, be kneaded under low temperature (less than 120 DEG C), then be squeezed into sheet material or bar, pass through
Injection or hot-forming is crossed, the heat cure at least needing 4-8 minutes according to finished product size is crosslinked, and due to being thermoset cross-linked elasticity
Body, therefore leftover pieces are not recyclable, and about 30%~50% raw material is caused to consume.From the foregoing, it will be observed that the manufacturing process of rubber shoe outsole
In, exist formula processing procedure take, the flash waste material that is generated in processing procedure it is not recyclable make again, the production of finished product long processing time, processing procedure
The shortcomings of energy consumption is big, attaching process is complicated.
It is worth noting that, thermoplastic polyurethane (Thermoplastic Polyurethane, abbreviation TPU) is that one kind can
With thermoplastic processing and the special synthetic rubber linear polymer of some solvents can be dissolved in.The wearability of TPU materials, on-slip
Degree, oil resistivity and pliability are all better than rubber, and TPU materials are to the resistivity of radiation and ozone and oxygen etc. and in many
Stability in chemical solvent is all very good, and this material can just be allowed to be broken under very big tensile strength, during fracture
The elongation that material reaches is also larger, in addition, the maximum pressure that the material can bear is also considerable, and elasticity modulus is high.
Recently as the development of TPU investigative techniques, successfully developed suitable for the TPU products of various fields, TPU
Product has also been applied in shoe body manufacture, however, in the process of TPU materials, under smaller temperature variation, TPU melts
The viscosity of body can change within a large range, this causes its process can only be in a bit of specific temperature model
Interior progress is enclosed, and its production cost is high, so as to limit applications of the TPU in shoe body.
The content of the invention
In view of the foregoing, the present invention provides a kind of wear-resisting anti-slip sole structure, by using thermoplastic polyurethane
The material of (Thermoplastic Polyurethane, abbreviation TPU) as shoe body outsole to utilize TPU material properties, makes institute
TPU membrane piece outsole and middle bottom material is stated directly to bond through heating in a mould and plastotype, formed the one of outsole and midsole into
It is a kind of using TPU material properties and with more traditional rubber soles with more excellent footwear to reach offer for the sole complex of type
The wear-resisting anti-slip sole structure of the wear-resisting of bottom, on-slip and soft comfortable；Meanwhile the wear-resisting anti-slip sole structure of the present invention have plus
The footwear sole construction for the advantages that work is simple for process, flash waste material can recycle completely, speed of production is fast is realized and shortens shoe sole production system
Journey reduces energy consumption, reduces cost of labor, meets the advantageous effects such as intelligence production.
To achieve the above object, the present invention, which adopts the technical scheme that, provides a kind of wear-resisting anti-slip sole structure, including：Institute
It is through the TPU membrane piece outsole of attached to said midsole layer bottom is integrally formed and heated in mould with said midsole layer to state big bottom；
The thickness of the TPU membrane piece outsole is 0.2 to 3mm.
In the footwear sole construction embodiment of the present invention, the big bottom is to form the shelly-shaped TPU membrane piece outsole of stereoscopic film, described
Three-dimensional membrane shell structure, which is formed with, to be trampled region and vertical is formed at the vertical edge for trampling region side；Said midsole layer shapes
There are bottom surface and the side being connected with the bottom surface；The big bottom is made with being integrally formed in said midsole layer mould, the outsole
Layer tramples region and the bottom surface hot melt combination of said midsole layer, and the vertical edge of the big bottom is heated with the side of said midsole layer
With reference to.
In the footwear sole construction embodiment of the present invention, the big bottom is the TPU membrane piece outsole to form planar sheet；In described
Bottom is formed with bottom surface；The big bottom is made with being integrally formed in said midsole layer mould, the TPU membrane piece outsole and said midsole
The bottom surface hot melt of layer combines.
In the footwear sole construction embodiment of the present invention, the big bottom is formed with opposite top surface and bottom surface, the top surface with
Said midsole layer combines, and three-dimensional Skidproof structure is formed on the bottom surface.
In the footwear sole construction embodiment of the present invention, the big bottom is formed with opposite top surface and bottom surface, the top surface with
Said midsole layer combines, and the applied on top surface has glue-line, and the glue-line is selected from the heat that fusing point is less than the TPU membrane piece outsole
Melten gel, alternatively, the glue-line is selected from the liquid glue material of solvent-borne type PU glue, response type PU glue or heat molten type TPU glue.
In the footwear sole construction embodiment of the present invention, three-dimensional Skidproof structure is formed on the bottom surface of said midsole layer；It is described big
The region that bottom is combined with the bottom surface of said midsole layer, which is formed, tramples region, and the region of trampling is equipped with hollow structure；Make institute
It states in big bottom and said midsole layer mould and is integrally formed, the big bottom tramples region and the bottom surface hot melt knot of said midsole layer
It closes, and the three-dimensional Skidproof structure of said midsole layer is revealed in the hollow structure of the big bottom.
In the footwear sole construction embodiment of the present invention, the wet friction coefficient of the TPU membrane piece outsole is 0.6 to 0.8, dry type
Coefficient of friction is 0.9 to 1.
In the footwear sole construction embodiment of the present invention, the TPU membrane piece outsole is equipped with gas vent.
In the footwear sole construction embodiment of the present invention, the big bottom includes the first TPU membrane layer being stacked and the second TPU membrane
Layer, the first TPU membrane layer by transfer technique towards being formed with flat image on the surface of the second TPU membrane layer；Make institute
Big bottom is stated with being integrally formed in said midsole layer mould, the first TPU membrane layer is combined with the second TPU membrane layer hot melt, and
The flat image is coated between the first TPU membrane layer and the second TPU membrane layer.
In the footwear sole construction embodiment of the present invention, said midsole layer is selected from PU (polyurethane, polyurethane
Ester), EVA (Ethylene Vinyl Acetate, ethylene-vinyl acetate copolymer), Phylon (modified EVA), ETPU
(Expandable Thermoplastic Polyurethane Elastomer, expansion type polyurethane elastomer material),
ETPEE (Expandable Thermoplastic Polyester Elastomer, expansion type thermoplastic polyester elastomer),
ETPAE (Expandable Thermoplastic Polyamide Elastomer, expansion type thermoplastic polyamide elastomer)
Or the middle bottom material of its combination.
The present invention makes it have following advantageous effect as a result of above technical scheme：
(1) present invention has more preferably by the use of by regarding TPU membrane piece outsole as footwear outsole compared to traditional shoe rubber
Wear-resisting, on-slip and soft comfortable；Further, since the TPU membrane piece outsole of the present invention is thermoplastic elastomers, there is processing technology
Simply, the advantages that material can recycle completely, and speed of production is fast, so make the present invention production technology have shorten procedure for producing,
Energy consumption is reduced, cost of labor is reduced, meets the technique effects such as intelligent production requirement.
(2) preparation method of the present invention, can be by polyurethane casting films for some middle bottom materials for being especially not easy heat bonding
Glue is coated in (TPU membrane piece outsole) or utilizes double-layer coextrusion equipment, in wear-resisting on-slip polyurethane film production process, directly
Coating hot-melt adhesive film is connect, to increase the adhesive force of wear-resisting on-slip polyurethane film and other materials.
(3) present invention after TPU membrane piece outsole is heated with middle bottom material in mould by directly binding the big of stereochemical structure
Bottom and midsole composite sole, can be substantially improved production efficiency, omit the program of glue in midsole.
(4) present invention utilizes casting technique producing sole, more traditional rubber injection mold or hot press forming technology speed fast 100
Times or more, and the leftover pieces of TPU membrane piece are wholly recyclable, 20% of processing procedure energy consumption not as good as rubber, it more being capable of fully automated metaplasia
Production is that the fertile target of shoes intelligence accelerates step.
These and other objects, feature and the advantage of the present invention, is filled by following detailed descriptions and claim
Split shows, and can be achieved by means, device and the combination thereof specially pointed out in appended claims.
Description of the drawings
Fig. 1 is the planar structure signal that big bottom (TPU membrane piece) of the invention is configured to planar sheet and is combined with middle bottom
Figure.
Fig. 2 is the schematic cross-sectional view of A-A hatching lines in Fig. 1 of the present invention.
Fig. 3 is the cross-sectional view for not having in TPU membrane piece outsole of the present invention hollow structure.
Fig. 4 is the cross-sectional view after the TPU membrane piece outsole of Fig. 3 embodiments of the present invention is integrally formed with midsole.
Fig. 5 is the cross-sectional view that TPU membrane piece outsole of the present invention is formed with hollow structure.
Fig. 6 is the cross-sectional view after the TPU membrane piece outsole of Fig. 5 embodiments of the present invention is integrally formed with midsole.
Fig. 7 is the floor map that flat image is equipped in TPU membrane piece outsole of the present invention.
Fig. 8 is the schematic cross-sectional view of B-B hatching lines in Fig. 7 of the present invention.
Fig. 9 is that TPU membrane piece is processed the processing procedure signal to form TPU membrane piece outsole by the method for the present invention with roller hot-pressing technique
Figure.
Figure 10 is that TPU membrane piece is processed the processing procedure signal to form TPU membrane piece outsole by the method for the present invention with plastics sucking moulding technology
Figure.
The correspondence of reference numeral and component is as follows：
Big bottom 10；Trample region 11；Vertical edge 12；Top surface 13；Bottom surface 14；Hollow structure 15；Process edge 16；Gas vent
17；First TPU membrane layer 101；Second TPU membrane layer 102；Plane pattern 103；Middle bottom 20；Bottom surface 21；Side 22；Three-dimensional on-slip
Structure 23；TPU membrane piece 30；Plane sheets region 31；Three-dimensional diaphragm area 32；Casting films extrusion equipment 40；Plastic uptake equipment 50；Greatly
Bed die tool 51；Air exhauster 52；Die cavity 53；Pump-line 54；Die-cutting device 60；Roller hot-press equipment 70；Heating roller 71.
Specific embodiment
Herein by the detailed specific embodiment of the open present invention.It should be appreciated, however, that disclosed embodiment
Only exemplary of the invention, and the present invention can be implemented by a variety of alterative versions.Therefore, it is disclosed herein
Concrete structure and function detail are not limiting, and are only using claim as principle, are illustrated as to those skilled in the art
The representativeness principle of different embodiments.
For the benefit of to the understanding of the present invention, illustrate with reference to the accompanying drawings and embodiments.
It please refers to Fig.1 to Fig. 6, the present invention provides a kind of wear-resisting anti-slip sole structure, and the footwear sole construction includes big bottom
10 and middle bottom 20, said midsole layer 20 be formed with to big bottom 10 with reference to bottom surface 21 and be connected with the bottom surface 21
Side 22.Wherein, the big bottom 10 is through attached to said midsole is integrally formed and heated in mould with said midsole layer 20
The TPU membrane piece outsole of 20 bottom of layer；The thickness of the TPU membrane piece outsole is 0.2 to 3mm.
In the embodiment of the present invention, the big bottom 10 can be configured to via die cutting procedure planar sheet or by solid into
Type is processed and die cutting procedure is configured to the shelly-shaped TPU membrane piece outsole of stereoscopic film.
As shown in Figure 1 to Figure 2, show that the big bottom 10 forms the TPU membrane piece outsole schematic diagram of planar sheet；Described in order
With being integrally formed in 20 mould of said midsole layer, the TPU membrane piece outsole and the bottom surface 21 of said midsole layer 20 heat big bottom 10
With reference to.
As shown in Figures 3 to 6, the big bottom 10 is to form the shelly-shaped TPU membrane piece outsole of stereoscopic film, the solid putamina
Structure formation, which has, to be trampled region 11 and vertical is formed at the vertical edge 12 for trampling 11 side of region；Make the big bottom 10 with
It is integrally formed in 20 mould of said midsole layer, the big bottom 10 tramples region 11 and the hot melt knot of bottom surface 21 of said midsole layer 20
It closes, the vertical edge 12 of the big bottom 10 is combined with the hot melt of side 22 of said midsole layer 20.
Further, the big bottom 10 is formed with opposite top surface 13 and bottom surface 14, the top surface 13 and said midsole
20 hot melt of layer combines, and there is three-dimensional Skidproof structure (not shown) in the bottom surface 14 by thermoforming in mould.
In the embodiment of the present invention, it can be risen after forming the material hot melt of said midsole layer 20 with the TPU membrane piece outsole
When being acted on to excellent bonds, the program of glue on said midsole layer 20 can be omitted in footwear sole construction of the present invention, has and shortens system
The technique effects such as journey, improving production efficiency.In addition, for it is some be not easy with the TPU membrane piece outsole heat bonding middle bottom materials,
Glue can be coated in TPU membrane on piece, alternatively, using double-layer coextrusion equipment in life before the TPU membrane piece outsole inserts mold
During producing the TPU membrane piece, directly in TPU membrane on piece coating hot-melt adhesive film；In the heating stepses in the mould, to increase
TPU membrane piece outsole and the attached work power of middle bottom material.Specifically, glue-line, the glue-line are coated on the top surface 13 of the big bottom 10
Selected from fusing point be less than the TPU membrane piece outsole hot melt adhesive, alternatively, the glue-line be selected from solvent-borne type PU glue, response type PU glue or
The liquid glue material of heat molten type TPU glue.
As shown in Figure 1, Figure 2 and shown in Fig. 5, Fig. 6, three-dimensional Skidproof structure 23 is formed on the bottom surface 21 of said midsole layer 20；Institute
It states the region formation that big bottom 10 is combined with the bottom surface 21 of said midsole layer 20 and tramples region 11, the region 11 of trampling is equipped with
Hollow structure 15；Making the big bottom 10, the big bottom 10 tramples region 11 with being integrally formed in 20 mould of said midsole layer
It heats and combines with the bottom surface 21 of said midsole layer 20, and the three-dimensional Skidproof structure of said midsole layer 20 is revealed in the big bottom 10
Hollow structure 15 in.
As shown in Figure 1, Figure 7 shows, wrapped when being integrally formed in order to avoid the TPU membrane piece outsole of the present invention with middle bottom material in mould
Gas forms bubble, influences the bond strength of outsole and midsole, gas vent 17 is formed in the TPU membrane piece outsole, when making into mould
It is smoothly arranged by the gas vent 17 when the air stayed between TPU membrane piece outsole and middle bottom material can press heating in mould
Go out.
Further, as shown in Figure 7, Figure 8, the big bottom 10 includes the first TPU membrane layer 101 and the 2nd TPU that are stacked
Film layer 102, the first TPU membrane layer 101 are flat towards being formed with by transfer technique on the surface of the second TPU membrane layer 102
Face image 103；It makes in the big bottom 10 and 20 mould of said midsole layer and being integrally formed, the first TPU membrane layer 101 and described the
Two TPU membrane layers 102 hot melt combines, and the flat image 103 is coated on the first TPU membrane layer 101 and second TPU membrane
Between layer 102；Whereby, formed inside big bottom 10 and be not easy the flat image being worn 103, realize the mesh for changing sole appearance
's.
Wherein, in the embodiment of the present invention, inkjet transfer, water transfer, thermal transfer, distillation may be employed in the transfer technique
The technological means such as transfer or silk-screen printing, realize and form flat master drawing sample on TPU membrane piece surface.The pattern content can be business
The combination of mark, image, word, color lump or foregoing teachings.
In addition, in the embodiment of the present invention, the TPU membrane piece can also be directly prepared by casting films extrusion equipment and be carried
The diaphragm of color is made after single-layer or multi-layer TPU membrane piece outsole is entered mould hot briquetting with color lump distribution or color lump
It is overlapped the composite sole of appearance.
The specific embodiment of the wear-resisting anti-slip sole structure of the present invention is explained above, is please coordinated with Fig. 1 to Fig. 8 join below
Fig. 9, Figure 10 are read, illustrates the manufacturing method of the wear-resisting anti-slip sole structure of the present invention.
The manufacturing method step of the wear-resisting anti-slip sole structure of the present invention includes：
TPU membrane piece outsole forming step：TPU membrane piece is manufactured using casting film-forming technology, according to sole preset shape, by described in
TPU membrane piece is die cut to form TPU membrane piece outsole；
Middle bottom material provides step：The bottom material suitable for hot briquetting in mould is provided；
Material for sole of shoe enters mould step：First the TPU membrane piece outsole is inserted in the die for shoe-sole of former, then by described in
Middle bottom material is inserted in the die for shoe-sole, and said midsole material is made to be laminated in the TPU membrane piece outsole；
Hot briquetting step in mould：The TPU membrane piece outsole and said midsole material heated in mould, made described
TPU membrane piece outsole heats in die for shoe-sole with said midsole material and directly bonds plastotype, is formed big with stereochemical structure
Bottom (big bottom 10) and midsole (middle bottom 20) composite sole.
In the embodiment of the present invention, the TPU membrane piece is using thin slice made of casting film-forming technology, the casting film-forming
Technology refers to a kind of plastics film production process, first passes through extruder and is squeezed raw material plastifying fusion, then by T-type structure molding die
Go out, raw material is made to be cast in the form of sheets on the roll surface of the cooling roller rotated smoothly and forms diaphragm, the diaphragm is on cooling roller
Through the sizing that cools, then product is wound after traction, trimming.
Whereby, TPU membrane piece outsole of the invention via squeeze out the film efficiency of curtain coating or idler wheel calendering compared with rubber injection or
Hot-forming to improve hundred times or more, for example, the film of curtain coating or idler wheel calendering is calculated according to conventional broadloom 1.5m thickness 1mm,
The sole diaphragm per minute for producing 30 pairs, if being only used for local wear-resisting on-slip position, yield can also double, the side after cross cutting
Corner material can recycle completely.
Wherein, in the embodiment of the present invention, the sole preset shape refers to outsole appearance profile.Further, it is described
Outsole appearance profile includes the appearance profile consistent with shoe bottom shape and is reserved with beyond the shoe bottom shape
Process the appearance profile at edge.More specifically, when TPU membrane piece needs to be made into three-dimensional membrane shell structure, preferably use and be reserved with
Process the outsole appearance profile at edge；When TPU membrane piece needs to be made into planar diaphragm structure, then preferably using and sole shape one
The outsole appearance profile of cause.
Specifically, the material property for the TPU membrane piece that the present invention uses is as shown in table 1 below.The TPU materials that the present invention uses can
Selected from the obtainable product of business, such as the TPU materials that Lu Borun (Lubrizol) company production model is Estane TRX70.
As shown in Table 1, the dry type coefficient of friction for the TPU materials that the present invention uses can reach 0.9 to 1, and wet friction coefficient can reach 0.6
To 0.8, compared to traditional rubber material (dry type coefficient of friction is 0.9 to 1.1, and wet friction coefficient is 0.4 to 0.6), dry
Comparable non-skid property can be played in formula friction environment, and there is superior antiskid property in wet friction environment.
Specifically, in the TPU membrane piece outsole forming step, the TPU membrane piece by TPU materials by adding in extrudate flow
Prolong in machine, after being heated above the fusion temperature of TPU materials, thickness 0.2 is cast into the film of 3mm through mold.In the present invention
In embodiment, casting film-forming after the TPU materials are preferably heated to about 170-180 DEG C.
In the embodiment of the present invention, in the TPU casting film-formings step, the TPU membrane piece can direct mould after being made
The big bottom 10 of planar sheet to be formed as shown in Figure 1 and Figure 2 is cut, alternatively, stereo shaping step is first carried out to the TPU membrane piece, then
Shape by die-cutting step is carried out to the TPU membrane piece outsole with stereochemical structure.Wherein, the stereo shaping step includes, and passes through roller
Cylinder hot extrusion briquetting technique (Fig. 9) or plastics sucking moulding technology (Figure 10) form the TPU membrane piece vertical as shown in Fig. 3 or Fig. 5
Body diaphragm；Specifically, such as Fig. 9, Figure 10, the stereoscopic film on piece is formed with plane sheets region 31 and with outsole shape wheel
Wide three-dimensional diaphragm area 32.
As shown in figure 9, TPU membrane piece 30 is processed to form TPU membrane piece outsole (big bottom 10) with roller hot pressing skill by display
Schematic diagram.The TPU membrane piece 30 carries out stereo shaping after the output of casting films extrusion equipment 40 into roller hot-press equipment 70
Processing, then it is processed into the TPU membrane piece outsole via die-cutting device 60.Wherein, the roller hot-press equipment 70 has two to add
Hot-rolling 71, wherein 71 surface of a heating roller is equipped with male model (not shown), another 71 surface of heating roller is equipped with and the male model quantity
And the corresponding master mold (not shown) in position.The TPU membrane piece is made to be conveyed through between two heating roller, two heating roller
In the male model and during the master mold pairing pause rotate and hot pressing carried out to the TPU membrane piece with default hot pressing time, with into
Three-dimensional diaphragm area described in type.
In addition, in the roller hot pressing, the TPU membrane piece directly inputs after the casting films extrusion equipment 40 output
Hot pressing is carried out to the roller hot-press equipment 70.And specifically, the hot pressing temperature of the outsole mold is preferably 120 to 160 DEG C,
Hot pressing time is preferably 3 to 10 seconds.
As shown in Figure 10, show and process to form showing for TPU membrane piece outsole (big bottom 10) with plastic uptake technology by TPU membrane piece 30
It is intended to.The TPU membrane piece 30 carries out stereo shaping processing into plastic uptake equipment 50 after the output of casting films extrusion equipment 40,
Again the TPU membrane piece outsole is processed into via die-cutting mould 60.Wherein, the plastic uptake equipment 50 have outsole mold 51 and
Air exhauster 52, the outsole mold 51 is equipped with multiple die cavitys 53, between the air exhauster 52 and 51 bottom of outsole mold
It is connected with pump-line 54.The TPU membrane piece being placed on the outsole mold is made to form the three-dimensional diaphragm area 32 by plastic uptake.
In addition, in the plastics sucking moulding step, the TPU membrane piece is directly defeated after casting films extrusion equipment output
Enter to the plastic uptake equipment and carry out plastics sucking moulding.And specifically, the outsole mold by far infrared to disposing thereon
TPU membrane piece is heated；It is preferred that far infrared is 140 to 170 DEG C to the heating temperature of the TPU membrane piece, heating time is
3 to 10 seconds.
In the embodiment of the present invention, said midsole material is selected from PU (polyurethane, polyurethanes), EVA
(Ethylene Vinyl Acetate, ethylene-vinyl acetate copolymer), Phylon (modified EVA), ETPU
(Expandable Thermoplastic Polyurethane Elastomer, expansion type polyurethane elastomer material),
ETPEE (Expandable Thermoplastic Polyester Elastomer, expansion type thermoplastic polyester elastomer),
ETPAE (Expandable Thermoplastic Polyamide Elastomer, expansion type thermoplastic polyamide elastomer)
Or its combination.
In the embodiment of the present invention, in the material for sole of shoe enters mould step, the outsole thickness of the composite sole can be with
By inserting individual layer TPU membrane piece or multilayer TPU membrane piece in the die for shoe-sole, the purpose of adjustment outsole thickness is realized.Wherein,
When inserting multilayer TPU membrane piece, the TPU membrane piece forms one when carrying out hot briquetting step in following moulds, by hot melt
Big bottom structure.
In the embodiment of the present invention, the former in the mould in heating stepses is specially midsole shaping foam machine, institute
Die for shoe-sole is stated in said midsole shaping foam machine.Wherein, said midsole shaping foam machine may be employed including thermoplasticity
Elastomer foamed forming machine, the elastomer foamed forming machine of thermo-cure crosslinking type or two-liquid type PU foaming bottling devices.
Specifically, thermoplastic elastomer foaming forming machine ground suitable for polarity is strong, molecular surface energy is higher
Material, for example, said midsole material may be selected from the thermoplastic foaming elastomers such as TPU, TPEE or TPAE；Whereby, bottom material in utilization
Characteristic, in midsole processing procedure (heating stepses in mould) using vapor sizing more than thermoplastic foaming elastomer when temperature,
Also TPU can be dissolved and form sole shape (including appearance profile, three-dimensional Skidproof structure etc.), and with sufficiently high stickiness and
Midsole is binded, and makes the outsole of shoe body and midsole one-pass molding, the outsole of saving over and the processing procedure of glue in midsole.
Specifically, the elastomer foamed forming machine of thermo-cure crosslinking type of the low-surface-energy is suitable for selected from EVA or Phylon
Conventional soles expanded materials such as (EVA modified materials), the material are the middle bottom materials that VA contents are higher and surface energy is relatively low；In
In the present embodiment, the VA contents of the conventional soles expanded material are preferably about 15 to 22%.Wherein, due to by wear-resisting on-slip type
Heating temperature of the TPU membrane piece outsole that polyurethane is formed in the elastomer foamed forming machine of thermo-cure crosslinking type of the low-surface-energy
Under be not easy directly fusing be stained with it is glutinous, therefore in this present embodiment, can be in TPU membrane on piece applying hot melt adhesives or PUR (reaction type polyurethanes
Glue), to increase the adhesive strength of midsole and outsole.
In addition, tradition EVA midsoles and rubber sole need double-deck gluing and with compared with multiple operation, and due to EVA midsoles with
Rubber sole could carry out gluing and the difficult gluing of automation certainly all after stereochemical structure is configured to, in contrast, footwear of the invention
Bottom structure since its outsole is to be pre-formed into the TPU membrane piece of membrane-like, so as to automatic pasting equipment directly in film
Surface sizing, production efficiency and spread glue the precision of position all far above traditional EVA midsoles and rubber sole shoemaking
Bottom structure.
Specifically, two-liquid type PU foaming bottlings device bottom material suitable for PU foaming；In this present embodiment, it is described
TPU membrane piece outsole after first heating and softening the TPU membrane piece outsole, then passes through plastic uptake before carrying out material for sole of shoe and entering mould step
Technique forms default sole shape (including appearance profile, three-dimensional Skidproof structure etc.), whereby, due to PU expanded materials and TPU
Diaphragm outsole has similar property, so as to provide enough sticky and TPU by the PU that foams in the die for shoe-sole
Diaphragm outsole generates very strong then intensity, and bottom material in PU is made directly to be pasted in mold with preforming TPU membrane piece outsole
It is attached to combine to form integral footwear sole construction, without in addition gluing, realize and shorten production procedure, improve the purpose of production efficiency.
Further, in the manufacturing method of the wear-resisting anti-slip sole structure of the present invention, the method is additionally included in the sole
Material carries out pattern TPU membrane piece preparation process before entering mould step.Specifically, the pattern TPU membrane piece preparation process is to pass through
TPU membrane piece is made in TPU materials by the casting films extrusion equipment；Plane pattern is formed at the TPU by transfer technique again
On the surface of diaphragm, to form pattern TPU membrane piece；The die cut process of pattern TPU membrane piece is configured to the pattern of planar sheet
TPU membrane piece outsole.
The TPU membrane piece outsole for defining non-transfer pattern is general TPU membrane piece outsole；Whereby, mould is entered in the material for sole of shoe
In step, the pattern TPU membrane piece outsole and the general TPU membrane piece outsole are overlappingly placed in the sole foaming shaping mould
The die cavity bottom of tool, and the plane pattern is made to be located at connecing for the pattern TPU membrane piece outsole and the general TPU membrane piece outsole
Between contacting surface；In the mould in hot briquetting step, the pattern TPU membrane piece outsole is passed through with the general TPU membrane piece outsole
Hot melt forms the big bottom structure of one after heating in mould, and the plane pattern be coated on the integral big bottom structure it
In.
To sum up, the present invention through being integrally formed to heat in mould by TPU membrane piece outsole and middle bottom material by form attached write
The big bottom 10 of middle bottom 20 forms a kind of footwear sole construction with good anti-skid antiwear performance.Further, since this wear-resisting on-slip
TPU membrane piece is transparent material, also manufactures motley sole using transfer or silk-screen printing.The wear-resisting anti-slip sole of the present invention
Structure, which has, to be shortened shoe sole production processing procedure, reduces energy consumption, reduce cost of labor, meet the advantageous effects such as intelligence production.
The present invention is described in detail above in association with accompanying drawings and embodiments, those skilled in the art can basis
Above description makes the present invention many variations example.Thus, some details in embodiment should not form limitation of the invention,
The present invention will be using the scope that the appended claims define as protection scope of the present invention.
Claims (10)
1. a kind of wear-resisting anti-slip sole structure, including big bottom and middle bottom, it is characterised in that：
The big bottom is through the TPU membrane piece of attached to said midsole layer bottom is integrally formed and heated in mould with said midsole layer
Outsole；The thickness of the TPU membrane piece outsole is 0.2 to 3mm.
2. wear-resisting anti-slip sole structure according to claim 1, it is characterised in that：
The big bottom is to form the shelly-shaped TPU membrane piece outsole of stereoscopic film, it is described solid membrane shell structure be formed with trample region with
And vertically it is formed at the vertical edge for trampling region side；
Said midsole layer is formed with bottom surface and the side being connected with the bottom surface；
The big bottom is made with being integrally formed in said midsole layer mould, the bottom for trampling region and said midsole layer of the big bottom
Face hot melt combines, and the vertical edge of the big bottom is combined with the side hot melt of said midsole layer.
3. wear-resisting anti-slip sole structure according to claim 1, it is characterised in that：
The big bottom is the TPU membrane piece outsole to form planar sheet；
Said midsole layer is formed with bottom surface；
The big bottom is made with being integrally formed in said midsole layer mould, the TPU membrane piece outsole and the bottom surface heat of said midsole layer
Clinkering is closed.
4. the wear-resisting anti-slip sole structure according to Claims 2 or 3, it is characterised in that：
The big bottom is formed with opposite top surface and bottom surface, and the top surface is combined with said midsole layer, is shaped on the bottom surface
There is three-dimensional Skidproof structure.
5. the wear-resisting anti-slip sole structure according to Claims 2 or 3, it is characterised in that：
The big bottom is formed with opposite top surface and bottom surface, and the top surface is combined with said midsole layer, and is applied on the top surface
Glue-line is covered with, the glue-line is selected from the hot melt adhesive that fusing point is less than the TPU membrane piece outsole, alternatively, the glue-line is selected from solvent-borne type
The liquid glue material of PU glue, response type PU glue or heat molten type TPU glue.
6. the wear-resisting anti-slip sole structure according to Claims 2 or 3, it is characterised in that：
Three-dimensional Skidproof structure is formed on the bottom surface of said midsole layer；
Region that the big bottom is combined with the bottom surface of said midsole layer, which is formed, tramples region, it is described trample region and be equipped with hollow out
Structure；
The big bottom is made with being integrally formed in said midsole layer mould, the bottom for trampling region and said midsole layer of the big bottom
Face hot melt combines, and the three-dimensional Skidproof structure of said midsole layer is revealed in the hollow structure of the big bottom.
7. the wear-resisting anti-slip sole structure according to Claims 2 or 3, it is characterised in that：
The wet friction coefficient of the TPU membrane piece outsole is 0.6 to 0.8, and dry type coefficient of friction is 0.9 to 1.
8. the wear-resisting anti-slip sole structure according to Claims 2 or 3, it is characterised in that：
The TPU membrane piece outsole is equipped with gas vent.
9. the wear-resisting anti-slip sole structure according to Claims 2 or 3, it is characterised in that：
The big bottom includes the first TPU membrane layer and the second TPU membrane layer that are stacked, and the first TPU membrane layer is towards described second
Flat image is formed with by transfer technique on the surface of TPU membrane layer；
The big bottom is made with being integrally formed in said midsole layer mould, the first TPU membrane layer 101 and the second TPU membrane layer
Hot melt combines, and the flat image is coated between the first TPU membrane layer and the second TPU membrane layer.
10. wear-resisting anti-slip sole structure according to claim 1, it is characterised in that：
Said midsole layer be selected from PU (polyurethane, polyurethanes), EVA (Ethylene Vinyl Acetate,
Ethylene-vinyl acetate copolymer), Phylon (modified EVA), ETPU (Expandable Thermoplastic
Polyurethane Elastomer, expansion type polyurethane elastomer material), ETPEE (Expandable Thermoplastic
Polyester Elastomer, expansion type thermoplastic polyester elastomer), ETPAE (Expandable Thermoplastic
Polyamide Elastomer, expansion type thermoplastic polyamide elastomer) or its combination middle bottom material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346843.7A CN108095245A (en) | 2017-12-15 | 2017-12-15 | Wear-resisting anti-slip sole structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346843.7A CN108095245A (en) | 2017-12-15 | 2017-12-15 | Wear-resisting anti-slip sole structure |
Publications (1)
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| CN108095245A true CN108095245A (en) | 2018-06-01 |
Family
ID=62216159
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|---|---|---|---|
| CN201711346843.7A Pending CN108095245A (en) | 2017-12-15 | 2017-12-15 | Wear-resisting anti-slip sole structure |
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| CN (1) | CN108095245A (en) |
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| CN110027235A (en) * | 2019-05-20 | 2019-07-19 | 东莞市汇齐新材料有限公司 | It is a kind of not need bottom material in the environment-friendly waterproof that brush coating is handled |
| CN111098538A (en) * | 2018-10-25 | 2020-05-05 | 余志勇 | Method for making rubber shoes with foamed inner layer |
| CN112956781A (en) * | 2021-02-03 | 2021-06-15 | 广州增威胶业有限公司 | Exposed cloth anti-slip sole and preparation method thereof |
| CN116172303A (en) * | 2023-04-21 | 2023-05-30 | 比音勒芬服饰股份有限公司 | Antiskid wear-resisting EVA sole with bougainvillea pattern |
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Application publication date: 20180601 |