CN1197001A - Pad Forming Method - Google Patents

Abstract

A method for forming pad includes such steps as shaping the base material and reinforcing material, sticking other raw materials according to different positions and characteristics, heating while pressurizing, and cutting.

Description

Pad Forming Method

The invention relates to a pad forming method.

According to the current cushion structure, whether it is used in the inner layer of insoles, the synthetic leather surface of leather bags, or the structure of general sports protective equipment, the forming method is mainly to laminate a cloth lining with a foam base material, and then cut and shape. , with such a structure, the various physical properties of the various parts of the cushion body are the same, that is, it is impossible to deal with different characteristics according to different needs, that is, the physical properties of each part of the cushion body are all the same, so the insole The heel of the shoe needs to strengthen its cushioning or elasticity, and the protective gear near the knee needs high toughness, elasticity, and ductility, while other parts need high hardness to resist external impacts. Such a cushion body composed of a single material , it is impossible to meet the demand, and in order to meet the needs of different local locations, the manufacturer adds elastic materials or hard materials to the local area through the external form. Such an external form, the external structure has insufficient bonding strength, and it often falls apart at will. The phenomenon, although it can indeed meet the needs of various situations.

In view of this, in order to make the production of insoles more flexible and meet different needs, the present inventor has developed a method for forming a cushion body of the present invention that meets the above conditions in conjunction with the secondary addition form.

In order to overcome the deficiencies of the prior art, the main purpose of the present invention is to provide an improved cushion forming method, so that each part of the finished product has reinforcing materials of different densities and strengths, so as to meet different needs and improve the elasticity of the relative parts. , strength or support.

The pad forming method of the present invention is to separately form structures with different physical properties on each base material and reinforcement material, and match materials and reinforcement materials of different shapes and thicknesses on appropriate positions of the base material, and paste them together. After being combined, it is put into the mold, hot-pressed and cut at the same time, and the finished product is produced.

In other words, the mat forming method of the present invention is to separate the base material and the reinforcing material first, then attach other materials and reinforcing materials according to different positions and characteristics, and then cut them after heating and pressing to form a finished product. , so that the cushion body exhibits different physical properties at the required parts to meet different needs, and when cutting with various base materials, materials and reinforcement materials, it is cut in the direction parallel to the foam line so as not to damage the foam. Bubble line, so that the physical properties of each base material, material and reinforcement can meet the required conditions, after the second lamination process, so that different parts show different physical properties, and then compressed and molded, it is formed The following products can meet various needs.

Therefore, each part of the cushion formed by the method of the present invention has different properties required to meet different needs, and the bonding strength between materials of different properties is high, and it is not easy to separate.

Embodiments of the present invention will be described in detail below in conjunction with accompanying drawings and Examples, so as to understand advantages and characteristics of the present invention more clearly, in the accompanying drawings:

Figure 1 is a schematic diagram of the forming method of the present invention.

Fig. 2 is an unformed perspective view of the present invention.

Fig. 3 is a schematic cross-sectional side view of an embodiment of the molded finished product of the present invention.

Fig. 4 is a schematic diagram of the three-dimensional appearance of Fig. 3 after molding.

Fig. 5 is a three-dimensional schematic diagram of another implementation of the present invention.

As shown in Fig. 1, the pad body forming method of the present invention is similar to that of the prior art, and the finished product (40) can be made by hot pressing and forming cutting (30) after laminating (20) the raw materials (10), and The main characteristic of the present invention is that the cushion body structure that can actually adapt to the physical characteristics of different parts needs to be formed, so different configurations are made in the overall manufacturing process, and the characteristic is that when laminating (20), the base material ( 50) Before laminating the inner layer (51) and the reinforcing material (52), they are molded separately, and then bonded together according to the different characteristics of different positions, and then the whole is heated and pressed to form a more compact structure. To achieve the insole structure required by different parts.

As shown in Figure 2, the method of the present invention comprises:

Raw material (10) part: In addition to the well-known foam base material (50) and inner layer (51), it also has various reinforcing materials (52) with different shapes, physical properties, and different strengths. Each base material (50) And reinforcing material (52), can be the foam body that different material, composition are formulated, cooperate with its foam body molding simultaneously by heating and pressing (53) to form the roughness of base material (50) and reinforcing material (52). The physical characteristics of the rough embryo have not yet reached the required level, and the reinforcing material (52) can be properly cut and shaped according to different parts to form different shapes and physical characteristics, while the base material (51), reinforced The material (52) is a foam structure, and its foam material can be toluene dichlorocyanate (TDI), polypropylene glycol (PPG), dichloromethane (MC), catalyst (T9), non-ionic surface active Agent (SILCON), color paste and water, etc., can be used to form foam base material (50) and reinforcement material (52) respectively according to different composition configurations to make different densities.

Bonding (60) as required: The reinforcing material (52) can be pre-set into different shapes according to different needs, and bonded to the base material (50) depending on the position of different needs.

Entering the mold (70): after the overall bonding, directly enter the forming mold.

Hot-press forming cutting (30): After the overall heating and pressure, the base material (50) and the reinforcement material (52) are extruded, and the original thickness is several times the thickness of the finished product, which can be extruded to form In order to increase the overall density and reach the required density, the finished product (40) as shown in Figure 3 and 4 can be formed after cutting, and the temperature, pressure, specific gravity, hardness and air permeability of the implementation can be respectively:

Temperature: 100-220°C

Time; 40-200 seconds

Specific gravity: 18±1(KG/M ³ )

Hardness: 15-35 (KG/JIS)

Air permeability: 24-50 (CC/M ² /SEC)

The present invention is illustrated by taking the insole structure, that is, the finished product (40) as an example. Fig. 2 shows an insole structure, which is directly coated with a reinforcing material (52) at the heel. The density is naturally higher than other parts, and the part close to the foot layer is the base material (50), and it still has the softness of the base material (50) with the part contacting the foot body, while the reinforcing material (52) is Form the effect of higher strength and effective support.

Fig. 5 is an overall view of another insole, which has the effect of raising the support at the palm socket of the sole as a whole, so as to form insole structures of different shapes.

With the help of the aforementioned manufacturing method, the structure of the overall insole, its reinforcing material (52) can be designed in different shapes according to different needs and attached to the relative position, so as to form a local insole structure with different physical properties to adapt to different needs. The needs are in line with the needs of the market.

This method can also be applied to the structure of the cover of the general leather bag, that is, where high toughness is required around each cover, it can be combined with another strong material (52) with high density and high strength and toughness to form a finished product. (40), and then sewn into a whole structure, and the strength of the structure increases accordingly, which can improve the quality of the whole.

The above-mentioned pad body can also be used on protective gear, and it can be provided with reinforcements (52) with different physical properties at special needs, so that each part has different physical properties and strength.

The above-mentioned various physical properties include: hardness, elasticity, ductility, air permeability (density), specific gravity, tensile strength, elongation ratio, tear strength, tortuosity, etc., which can be pre-made according to different needs. The reinforcing material (52) is then laminated on the base material (50) in accordance with different bonding positions and shapes, and then cut after the second heating and pressing to form the desired finished product (40), namely the cushion body that meets different needs.

In addition, 10 parts of its raw materials, which include foam base material 50, inner layer 51, and structures such as reinforcements (52) with different shapes, physical properties, and different strengths, are all preformed structures, and the molding methods are as follows: Two: One of them is the heating and pressing molding shown in the above description, and then cutting into the required thickness shape, and the other molding method is directly restricted by the shape of the injection port, so that when injection molding, That is to directly inject a rough embryo with a certain thickness, and then paste it for subsequent processing.

Claims (8)

1. A method for forming a cushion body, which is formed by laminating raw materials of different layers, heating and pressurizing, and cutting to form a finished product, which is characterized in that: In order to form an insole structure that can truly meet the physical characteristics of different parts, in the lamination process, the base material and reinforcement material with different physical characteristics are directly molded, and then they are laminated and then put into the mold separately. Cutting is used to directly form the finished product, so that the finished product can be combined with the reinforcing material in different shapes and relative positions, so that insoles can be made to meet the needs of different parts. 2. The method for forming a cushion body according to claim 1, wherein, in addition to the well-known foam base material and cloth inner layer, the raw material also has reinforcement materials that match different parts to form different shapes and physical properties, and the reinforcement materials Also into a foam structure. 3. The method for forming a cushion body according to claim 2, wherein the foamed base material, the inner layer, and the reinforcing material of different shapes, physical properties, and different strengths of the raw material part are prepared by foaming first. While forming, heat and press to form the rough blank of the base material and the reinforcement material. The physical properties of the rough blank have not yet reached the required level, and the reinforcement material can be properly cut to form different shapes and physical properties according to different parts. Molding, and its base material and reinforcing material are all foam structures. 4. The method for forming a cushion body according to claim 2, wherein the raw materials are partially foamed base material, inner layer, and reinforced materials with different shapes, physical properties, and different strengths, and the method is to directly inject them into the injection port. The shape limitation makes it possible to directly inject a rough embryo with a certain thickness during injection molding, and then perform the subsequent procedures. 5. The mat forming method according to claim 2, wherein the raw materials of the base material and the reinforcing material can be toluene dichlorocyanate (TDI), polypropylene glycol (PPG), dichloromethane (MC), catalyst (T9 ), non-ionic surfactant (SILCON), color paste and water, etc. 6. The method for forming a cushion body according to claim 1, wherein the procedure of laminating the parts as required is that the reinforcing material can be pre-set into different shapes according to different needs, and then bonded to the base according to the parts of different needs. on the material. 7. The mat forming method according to claim 1, wherein the hot press forming and cutting procedure is a second heating and pressurizing procedure, so that the base material and the reinforcement material are laminated to be extruded to increase the thickness. The laminated body that is several times the thickness of the finished product can be extruded to the thickness of the molding to increase the overall density, and the finished product is ready after cutting. 8. The mat body forming method according to claim 7, wherein various physical implementations of the thermoforming cutting procedure can be: temperature: 100-220°C, time: 40-200 seconds, to produce a specific gravity: 18± 1 (KG/M ³ ), hardness: 15-35 (KG/JIS), air permeability: 24-50 (CC/M ² /SEC) finished product.

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