CN212814736U

CN212814736U - Natural solid wood grain polyurethane insole

Info

Publication number: CN212814736U
Application number: CN202020952783.4U
Authority: CN
Inventors: 胡光华
Original assignee: Foshan Xingchang Polyurethane Products Co ltd
Current assignee: Foshan Xingchang Polyurethane Products Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-03-30
Anticipated expiration: 2030-05-29

Abstract

The utility model provides a natural wood line polyurethane insole, the insole body comprises the compound one deck wooden face of filling up and one deck stratum basale, wooden face of filling up and stratum basale are from last to superpose down in proper order, the stratum basale for adopting the polyester ammonia material to make. The utility model discloses a compound one deck contains natural ligneous pad face on the shoe-pad stratum basale of polyurethane material, and natural timber compares in compound materials such as polyurethane, and its molecular density is little, has good gas permeability, consequently can improve the gas permeability of shoe-pad, keeps the cool and dry clean with plantar contact surface of shoe-pad.

Description

Natural solid wood grain polyurethane insole

Technical Field

The utility model relates to an insole technical field particularly, relates to a natural wood line polyurethane insole.

Background

Polyurethane is a polymer with a high molecular structure main chain containing a plurality of carbamate groups (-NHCOO-), is a synthetic material with wide application, and is known as 'fifth plastic'. One important application of polyurethane is as shoe pad material, and compared with the common EVA shoe pad, the polyurethane shoe pad has the advantages of low density, soft texture, good elasticity, excellent wear resistance, bending resistance, high hardness, excellent shock absorption, anti-skid property, collapse resistance and the like, so that the polyurethane is favored by more and more consumers, and many shoe industry brands in foreign countries begin to adopt the polyurethane as the shoe pad material more and more. However, in order to achieve a superior rebound effect, polyurethane insoles in the market are difficult to take account of air permeability of the insoles, the environment in the shoes is sealed and airtight, and in addition, the soles of people are prone to sweating after long-term walking or sports, so that a damp and hot environment is formed in the shoes, bacterial and fungi in the shoes are prone to propagate and grow greatly, and further foot health of users is affected.

Therefore, the prior art has defects and needs to be improved urgently.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a natural wood line polyurethane insole to solve the poor problem of shoe-pad gas permeability of current polyurethane material.

The embodiment of the utility model provides a natural wood line polyurethane insole, wherein, including the shoe-pad body, the shoe-pad body comprises the compound one deck wooden face of filling up and one deck stratum basale, wooden face of filling up and stratum basale are from last to superpose down in proper order, the stratum basale for adopting the polyester ammonia material to make.

The natural solid wood grain polyurethane insole is characterized in that a connecting layer is arranged between the wood insole surface and the base layer, the connecting layer comprises at least one layer of film, and the film is made of thermoplastic polyurethane elastomer rubber materials.

The natural solid wood grain polyurethane insole, wherein, the thickness of articulamentum is 0.5mm ~1 mm.

The natural solid wood grain polyurethane insole is characterized in that the wood insole surface is cloth with natural wood pressed on the surface.

The natural solid wood grain polyurethane insole, wherein, the upper surface of wooden face of filling up is equipped with many raised grain recesses.

The natural solid wood grain polyurethane insole is characterized in that a plurality of groove belts are arranged on the lower surface of the base layer.

The natural solid wood grain polyurethane insole, wherein, be equipped with a plurality of bleeder vents on the insole body, the bleeder vent runs through from last to down in proper order wooden bed surface and stratum basale.

The natural solid wood grain polyurethane insole, wherein, the front side and the rear side of wooden bed surface upper surface all are equipped with shock attenuation arch.

Has the advantages that: according to the shoe pad, the wood pad surface containing the natural wood is compounded on the shoe pad base layer made of the polyurethane material, and compared with the compound materials such as polyurethane and the like, the natural wood has small molecular density and good air permeability, so that the air permeability of the shoe pad can be improved, and the contact surface of the shoe pad and a sole is kept fresh and clean.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a schematic structural view of a natural solid wood grain polyurethane insole provided by an embodiment of the present invention.

Fig. 2 is a schematic bottom structure view of the natural solid wood grain polyurethane insole provided by the embodiment of the present invention.

Fig. 3 is a schematic top surface structure view of the natural solid wood grain polyurethane insole provided by the embodiment of the present invention.

Fig. 4 is a schematic structural exploded view of the natural solid wood grain polyurethane insole provided by the embodiment of the present invention.

Fig. 4a is an exploded view of the natural solid wood grain polyurethane insole provided by the embodiment of the present invention.

Fig. 5 is a flowchart of a method for manufacturing a natural solid wood grain polyurethane insole according to an embodiment of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

It should also be noted that, unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the natural solid wood grain polyurethane insole of the embodiment of the present invention comprises an insole body 100, wherein the insole body 100 is formed by compounding a wooden pad surface 10 and a base layer 30, and the wooden pad surface 10 and the base layer 30 are sequentially stacked from top to bottom.

In practical application, the wooden mat surface 10 is a mat surface provided with natural wood. Specifically, the wood pad surface 10 may be formed by compounding cloth and natural wood, and the natural wood may be hot-pressed and compounded on the upper surface of the cloth by using glue. Because the surface of the wood cushion surface 10 is pressed with the natural wood, compared with composite materials such as polyurethane and the like, the natural wood has small molecular density and good air permeability; the natural wood has good environmental characteristics, can adjust temperature and remove humidity, and can keep the soles dry and cool as the contact surface of the insoles and the soles; compared with materials such as polyurethane and EVA (Ethylene Vinyl Acetate, EVA for short), the natural wood has large friction force with the sole, so that the anti-skid performance of the insole can be improved; the natural wood has natural beautiful patterns, luster and color, can play a special decorative effect, and increases the beautiful appearance of the insole.

In practical application, the base layer 30 is made of a polyurethane material, and the polyurethane material is used as the bottom structure of the insole, so that the resilience and comfort of the whole insole are ensured.

In practical applications, the wood pad surface 10 and the substrate layer 30 may be compositely connected by a sticky material such as glue, preferably, the insole of the embodiment of the present invention is compositely connected by disposing the connecting layer 20 between the wood pad surface 10 and the substrate layer 30, and the connecting layer 20 is formed by at least one layer of film made of Thermoplastic polyurethane elastomer (TPU). Further, the thickness of the connection layer 20 is 0.5 mm-1 mm, and preferably, the thickness of the connection layer 20 is 0.8 mm. In practical application, because the wood mat surface 10 and the base layer 30 are made of different materials and have poor bonding force, the surface of the wood mat surface 10 is often wrinkled or sunken in practical production, the defective rate is high, and the production efficiency is low. Therefore, how to perfectly compound and connect the wood mat surface 10 and the substrate layer 30 to solve the problem that the wood mat surface 10 is easy to wrinkle or dent when being compounded on the substrate layer 30 made of polyurethane material becomes a great technical difficulty to be overcome in the industry. The utility model discloses an at least one deck TPU film is connected wooden face of packing 10 and stratum basale 30 as articulamentum 20, has overcome foretell technical difficulty from structural solution, and the principle is embodied in following two aspects: firstly, the TPU material is a high molecular polyurethane material formed by the joint reaction and polymerization of diphenylmethane diisocyanate (MDI), Toluene Diisocyanate (TDI), macromolecular polyol and a chain extender, and the TPU material has similar properties with the polyurethane material of the substrate layer 30, so that the TPU material can be well bonded with the substrate layer 30 in an adhesion manner; secondly, the TPU film is a film prepared by processes of calendaring, tape casting, film blowing, coating and the like on the basis of TPU granules, has the characteristics of microporosity and hydrophilicity of the film, and can perfectly combine the wood mat surface 10 and the film by combining with an advanced lamination and lamination technology. The utility model discloses utilize the TPU film linkage 20 of at least one deck to have solved wooden face of pad 10 and stratum basale 30 because the poor problem of bonding force that the material difference leads to guarantees that the upper surface of shoe-pad body 100 levels, and can prevent that stratum basale 30's polyurethane material from permeating on wooden face of pad 10. In addition, the TPU film also has unique air permeability, so that water vapor in the wood pad surface 10 or the base layer 30 can be rapidly discharged, the shoe pad is prevented from breeding mildew, the feet are kept dry and comfortable all the time, the health and the environmental protection are realized, and the air permeability of the shoe pad is further increased.

Further, the utility model discloses a natural wood line polyurethane insole, the 100 upper surfaces of shoe-pad body are pressed and are equipped with many raised grain recesses 11, raised grain recesses 11 further are used for the antiskid. The lower surface of the insole body 100 is also provided with a plurality of groove belts 31, and the groove belts 31 are used for preventing the bottom of the insole from slipping. In practical application, the insole body 100 is further provided with a plurality of air holes 200, and the air holes 200 sequentially penetrate through the wood insole surface 10, the connecting layer 20 and the base layer 30 from top to bottom, so that the air permeability of the insole is improved, and the use feeling is further optimized. Further, the front and rear sides of the upper surface of the insole body 100 are provided with shock-absorbing protrusions 12, and the shock-absorbing protrusions 12 are used for alleviating the vibration generated during walking.

As shown in fig. 5, the present invention further includes a method for preparing the natural solid wood grain polyurethane insole, which specifically comprises the following steps:

a. manufacturing a wood cushion surface;

b. making a substrate layer by using a polyurethane material;

c. and (3) placing the wood insole surface on the upper surface of the substrate layer, and performing compression molding to obtain the natural solid wood grain polyurethane insole.

Furthermore, for solving the problem that the wood pad surface is easily wrinkled or sunken on the basal layer of the polyurethane material, the utility model discloses corresponding improvement has also been made on the technology of making above-mentioned natural wood line polyurethane insole. Firstly, pressing natural wood on cloth by using glue, and compounding to obtain a wood cushion surface; then, hot-pressing at least one layer of film made of thermoplastic polyurethane elastomer rubber material on the lower surface of the wood cushion surface; fixing the hot-pressed wooden cushion surface by using a board, and preheating the wooden cushion surface for 1min at the temperature of 80-90 ℃; afterwards, pour the polyurethane material into the mould, carry out prefoaming 6-8s, treat that the polyurethane material prefoaming finishes, the stratum basale upper surface is arranged in to the wooden face of filling up that will preheat again, and hot briquetting obtains the utility model discloses a natural wood line polyurethane insole. In the manufacturing process, before the wood cushion surface is pressed on the base layer, the wood cushion surface is preheated for 1min at the temperature of 80-90 ℃, so that the TPU film on the lower surface of the wood cushion surface is softened, and the viscosity of the TPU film is increased; meanwhile, the polyurethane material is pre-foamed for 6-8s in the mold, and the incompletely foamed polyurethane material can be well kneaded and bonded with the TPU film, so that the wood pad surface can be firmly compounded with the basal layer, and the wood pad surface is smooth and is not wrinkled.

In practical application, after the natural solid wood grain polyurethane insole is formed by hot press forming, the redundant wood insole surface beside the natural solid wood grain polyurethane insole of the insole is required to be trimmed, and the natural solid wood grain polyurethane insole is subjected to operations such as punching, die pressing of the wavy grain grooves and the like, so that the air permeability and the anti-skid performance of the insole are further improved.

The embodiment of the utility model provides a through compound the wooden face of filling up that contains natural timber on the shoe-pad stratum basale of polyurethane material, natural timber compares compound materials such as polyurethane, and its molecular density is little, has good gas permeability, can improve the gas permeability of shoe-pad, keeps the sole and the sole contact surface fresh and cool dry and clean of shoe-pad; meanwhile, the wood cushion surface also has good moisture absorption performance and skid resistance performance and attractive appearance. The utility model improves the structure and the process, utilizes the characteristics of the TPU film material, takes the TPU film as the connecting layer of the wood pad surface and the basal layer, ensures the perfect combination of the wood pad surface and the basal layer, leads the wood pad surface not to be easy to wrinkle, can also prevent the polyurethane material of the basal layer from permeating to the wood pad surface, and leads the whole insole body to be smooth and clean; simultaneously, before pressing the wooden cushion surface to the stratum basale, preheat the wooden cushion surface to carry out prefoaming 6-8s with the polyurethane material in the mould, make wooden cushion surface, TPU film connecting layer and polyurethane stratum basale three can firmly and smoothly bond compositely.

The above description is only an example of the present invention and is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Unless expressly stated or limited otherwise, the terms "disposed" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a natural wood line polyurethane insole which characterized in that, includes the shoe-pad body, the shoe-pad body comprises the compound one deck wooden face of filling up and one deck stratum basale, wooden face of filling up and stratum basale superpose from last to down in proper order, the stratum basale for adopting the stratum basale that the polyester ammonia material made.

2. The natural solid grain polyurethane insole as claimed in claim 1, wherein a connecting layer is provided between the wood insole surface and the base layer, the connecting layer comprising at least one film made of thermoplastic polyurethane elastomer rubber material.

3. The natural solid grain polyurethane insole as claimed in claim 2, wherein the thickness of the connecting layer is 0.5mm to 1 mm.

4. The natural solid wood grain polyurethane insole as claimed in claim 1, wherein the wood insole surface is a cloth with natural wood pressed on the surface.

5. The natural solid grain polyurethane insole of claim 1, wherein the upper surface of said wood insole surface is provided with a plurality of raised grain grooves.

6. The natural solid grain polyurethane insole of claim 1, wherein the lower surface of the base layer is provided with a plurality of grooved strips.

7. The natural solid wood grain polyurethane insole as claimed in claim 1, wherein the insole body is provided with a plurality of air holes, and the air holes sequentially penetrate through the wooden insole surface and the base layer from top to bottom.

8. The natural solid grain polyurethane insole as claimed in claim 1, wherein shock-absorbing protrusions are provided on both front and rear sides of the upper surface of the wooden insole surface.