CN207604568U

CN207604568U - A kind of secondary MD soles of multi-level multi-density

Info

Publication number: CN207604568U
Application number: CN201721702902.5U
Authority: CN
Inventors: 吴彬彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-10
Filing date: 2017-12-10
Publication date: 2018-07-13
Anticipated expiration: 2027-12-10

Abstract

Disclosed by the utility model is a kind of secondary MD soles of multi-level multi-density, if including the big backsheet layer of shoes, the MD midsoles lamella of dried layer different densities one step foaming and intermediate film lamella, intermediate film lamella is layed between the big backsheet layer of the shoes and MD midsole lamellas and is layed between the two MD midsole lamellas, the upper surface of the big backsheet layer of shoes be coarse frictional surface features, MD mediellas level to the big backsheet layer of the shoes and in face of another MD midsoles lamella while be respectively coarse frictional surface features.The sole of the utility model include shoes outsole and different colours, density multilayer in bottom, soles middle layer is collectively formed using bottom in the multilayer of different densities difference pliability, sole is set to have more elasticity, pliability and comfort level, hardness and the polychrome requirement for also ensuring sole simultaneously, more meet production and the market demand of modern footwear material.

Description

A kind of secondary MD soles of multi-level multi-density

Technical field

The utility model relates to the production field of footwear material, more specifically a kind of secondary MD of multi-level multi-density Sole.

Background technology

Material currently used for athletic shoe sole production mainly has PVC, PU, EVA and TPU, TPU therein to be dashed forward by what performance Go out and have environmentally friendly concept, starts to show up prominently.PVC's is cheap, but when temperature is low be hardened it is easy to break split, when temperature is high again Easily soften, and there is medical research to prove that PVC can discharge harmful dioxin, the large-scale sporting goods manufacturer of advanced country Such as NIKE is gradually with the material substitutions such as TPU PVC；PU material weights are light, heat-resist, abrasion resistance is good, long lifespan, price It is relatively low, but the cost of investment of special project is high (machine, mold and raw material), and finished product is difficult to recycle again；The flexibility of EVA, Elastic good, chemicals-resistant and tinctorial property are excellent, and technology is relatively ripe, and EVA expanded materials are widely applied very much In footwear material field, but EVA wearabilities are poor, are easy by scratching or abrasion, and its waterproof and moisture permeability is poor, influences shoes Quality and the service life.And TPU has many advantages, such as that strong wearability, tensile strength and elongation at break height, against weather are good, although In hardness, weight and Shortcomings in price.

As the midsole shoe material of medium-to-high grade shoes, EVA expanded materials, EVA foaming bodies is typically used not only to have soft The excellent physical features such as toughness, elasticity is good, and its chemicals-resistant and tinctorial property are excellent, are the splendid of medium-to-high grade sole Midsole selection, still, different colours, different densities midsole EVA foaming bodies between be that can not carry out bonding company by hot pressing It connects, the two needs to be bonded by the third medium.Chinese patent Authorization Notice No. is one disclosed in CN 204994741U Kind mould internal pressure is integrally formed double-color sole, and double-color sole is utilized in MD midsoles and unvulcanized rubber disclosed in the technical solution Be sticked the third medium between piece, i.e. rubber plastic film layer, is then integrated by hot-forming in mold, forms double-color sole, Since the material of both half finished rubber piece outsole and the MD midsoles of EVA is different, structure is also different from density, when them When carrying out hot pressing, only its edge or along side just will appear pressing extend when both occur colour contamination, the two is in hot pressing Be not in the problem of mutually mixing color.

But when the film layer application that centre is sticked is laid in two MD of different densities and color between bottom, due to The material of bottom is identical in two kinds of MD, structure is close, and only color and expansion density are different, so they are pressed in second heat When, foaming extend and hardening process in it is easy to appear two layers of MD in color between bottom mutually mix color problem, seriously Ground affects the quality and quality of sole.

Utility model content

Disclosed by the utility model is a kind of secondary MD soles of multi-level multi-density, and main purpose is to overcome existing Technology above shortcomings and disadvantage.

Technical solution disclosed by the utility model is as follows：

A kind of secondary MD soles of multi-level multi-density, if including the big backsheet layer of shoes, dried layer different densities one step foaming MD midsoles lamella and intermediate film lamella, the intermediate film lamella be layed in the big backsheet layer of the shoes and MD midsoles lamella it Between and be layed between the two MD midsole lamellas, the upper surface of the big backsheet layer of shoes is coarse frictional surface features, institute State MD mediellas level to the big backsheet layer of the shoes and in face of another MD midsoles lamella while be respectively coarse friction Surface texture, the big backsheet layer of the shoes, intermediate film lamella and MD midsole lamellas are pressed and are integrally formed by disposable thermal, And the intermediate film lamella first melts in hot pressing and forms a hot melt adhesive layers afterwards.

Further, the shape of the shape and size of the intermediate film lamella and the MD midsoles lamella and the big backsheet layer of shoes Shape and size are adapted setting.

Further, the thickness of the intermediate film lamella is 0.15-0.3mm.

Further, the MD midsoles lamella has one layer, the MD midsoles lamella, the big backsheet layer of shoes and intermediate film lamella Color and density it is different each other.

Further, the MD midsoles lamella has two layers, each MD midsoles lamella, the big backsheet layer of shoes and the intermediate film lamella Color and density it is different each other.

Further, the intermediate film lamella is times in hot melt film, TPU membrane or the stearic EVA film of transparent material Meaning is a kind of.

Further, the material that the big backsheet layer of the shoes uses is arbitrary in the rubber material of high abrasion or TPU materials It is a kind of.

Further, the material that the MD midsoles lamella uses is EVA foaming body material.

By the above-mentioned description to the utility model it is found that compared to the prior art, the utility model has the advantage of：

1, the sole of the utility model include shoes outsole and different colours, density multilayer in bottom, utilize different densities Soles middle layer is collectively formed in bottom in the multilayer of different pliabilitys, so that sole is had more elasticity, pliability and comfort level, together When also ensure hardness and the polychrome requirement of sole, more meet production and the market demand of modern footwear material.

2, the utility model between the big backsheet layer of shoes and MD midsole lamellas and between two MD midsole lamellas by being laid with Intermediate film lamella, and the intermediate film lamella first melts when carrying out hot pressing and re-forms a hot melt adhesive layers afterwards, profit With the low feature of its heat fusion joint, the hot melt adhesive layers of approximate liquid are formed after melting, preferably carry out adhesive effect；Meanwhile it should Intermediate film lamella can be avoided using any one in hot melt film, TPU membrane or stearic EVA film in melting well The problem of color mutually being mixed between the big backsheet layer of shoes and MD midsole lamellas or between two MD midsole lamellas.

3, the utility model not only realizes the multiple-layer polychromatic requirement of sole, but also is avoided while ensureing sole quality The problem of occurring mutually to mix color between bottom in difference similar in structure and material improves the quality of sole, and it is single to change tradition The footwear sole construction of bottom in layer makes sole be more suitable for people and wears use, more Comfortable attractive.

Description of the drawings

Fig. 1 is the structural decomposition diagram of the utility model.

Fig. 2 is the side structure schematic view of the utility model.

Specific implementation mode

Illustrate with reference to the accompanying drawings to further explain specific embodiment of the present utility model.

As depicted in figs. 1 and 2, a kind of secondary MD soles of multi-level multi-density, including the big backsheet layer 1 of shoes, two layers of difference The MD midsoles lamella 2 and intermediate film lamella 3 of density one step foaming, the intermediate film lamella 3 are layed in the shoes outsole It between lamella 1 and MD midsoles lamella 2 and is layed between the two MD midsoles lamella 2, the upper surface of the big backsheet layer of the shoes 1 For coarse frictional surface features, the MD mediellas level 2 is to the one side of the big backsheet layer of the shoes 1 and in face of another MD mediellas The one side of layer 2 is respectively coarse frictional surface features, the big backsheet layer 1 of the shoes, intermediate film lamella 3 and MD midsoles lamella 2 It is pressed and is integrally formed by disposable thermal, and the intermediate film lamella 3 is first melted to form one afterwards and heat in hot pressing and be glued Close layer.

Further, the shape and size of the intermediate film lamella 3 and the MD midsoles lamella 2 and the big backsheet layer of shoes 1 Shape and size be adapted setting.

Further, the thickness of the intermediate film lamella 3 is 0.15-0.3mm.

The color and density of each MD midsoles lamella 2, the big backsheet layer 1 of shoes and intermediate film lamella 3 are different each other.

Further, the intermediate film lamella 3 is times in hot melt film, TPU membrane or the stearic EVA film of transparent material Meaning is a kind of.

Further, the material that the big backsheet layer of the shoes 1 uses is arbitrary in the rubber material of high abrasion or TPU materials It is a kind of.

Further, the material that the MD midsoles lamella 2 uses is EVA foaming body material.

The sole of the utility model include shoes outsole and different colours, density multilayer in bottom, not using different densities Soles middle layer is collectively formed with bottom in the multilayer of pliability, so that sole is had more elasticity, pliability and comfort level, simultaneously Hardness and the polychrome requirement for also ensuring sole, more meet production and the market demand of modern footwear material.

During the utility model between the big backsheet layer of shoes and MD midsole lamellas and between two MD midsole lamellas by being laid with Between film lamina, and the intermediate film lamella first melts when carrying out hot pressing and re-forms a hot melt adhesive layers afterwards, utilizes Its heat fusion joint low feature forms the hot melt adhesive layers of approximate liquid, preferably carries out adhesive effect after melting；Meanwhile in this Between film lamina using any one in hot melt film, TPU membrane or stearic EVA film, can avoid shoes well in melting Big the problem of mutually mixing color between backsheet layer and MD midsole lamellas or between two MD midsole lamellas.

The utility model not only realizes the multiple-layer polychromatic requirement of sole, but also avoids finishing while ensureing sole quality The problem of occurring mutually to mix color between bottom in difference similar in structure and material improves the quality of sole, changes conventional monolayers The footwear sole construction of middle bottom makes sole be more suitable for people and wears use, more Comfortable attractive.

The above is only the specific embodiments of the present invention, but the design concept of the utility model is not limited merely to This, it is every that the utility model is improved with carrying out unsubstantiality using this design, it should belong to and invade the utility model protection The behavior of range.

Claims

1. a kind of secondary MD soles of multi-level multi-density, it is characterised in that：If including the big backsheet layer of shoes, dried layer different densities one The MD midsoles lamella and intermediate film lamella of secondary foaming, the intermediate film lamella are layed in the big backsheet layer of the shoes and MD It between backsheet layer and is layed between the two MD midsole lamellas, the upper surface of the big backsheet layer of shoes is coarse friction surface Structure, the MD mediellas level to the big backsheet layer of the shoes and in face of another MD midsoles lamella while be respectively thick Rough frictional surface features, the big backsheet layer of the shoes, intermediate film lamella and MD midsoles lamella pass through disposable thermal pressing and one It is body formed, and the intermediate film lamella first melts in hot pressing and forms a hot melt adhesive layers afterwards.

2. a kind of secondary MD soles of multi-level multi-density according to claim 1, it is characterised in that：The intermediate film The shape and size of lamella are adapted setting with the shape and size of the MD midsoles lamella and the big backsheet layer of shoes.

3. a kind of secondary MD soles of multi-level multi-density according to claim 2, it is characterised in that：The intermediate film The thickness of lamella is 0.15-0.3mm.

4. a kind of secondary MD soles of multi-level multi-density according to claim 1, it is characterised in that：The MD mediellas Layer has one layer, and the color and density of the MD midsoles lamella, the big backsheet layer of shoes and intermediate film lamella are different each other.

5. a kind of secondary MD soles of multi-level multi-density according to claim 1, it is characterised in that：The MD mediellas Layer has two layers, and the color and density of each MD midsoles lamella, the big backsheet layer of shoes and intermediate film lamella are different each other.

6. a kind of secondary MD soles of multi-level multi-density according to claim 1, it is characterised in that：The intermediate film Lamella is any one in hot melt film, TPU membrane or the stearic EVA film of transparent material.

7. a kind of secondary MD soles of multi-level multi-density according to claim 1, it is characterised in that：The big egative film of shoes The material that layer uses is any one in the rubber material of high abrasion or TPU materials.

8. a kind of secondary MD soles of multi-level multi-density according to claim 1, it is characterised in that：The MD mediellas The material that layer uses is EVA foaming body material.