KR20120017787A - Shocking absorption shoes part song gold style structure and shocking absorption shoes part song - Google Patents

Abstract

PURPOSE: A mold structure for a shock absorbing shoe insole and a shock absorbing shoe insole are provided to facilitate work because column inserting work is independently processed regardless of a machine or a mold after a core is separated from a bottom mold. CONSTITUTION: A mold structure for a shock absorbing shoe insole comprises a core(12), a bottom mold(22), and a top mold(18). Columns(10) of different sizes and shapes are inserted into multiple holes(14). The core is mounted in the bottom mold. Raw materials for insoles are filled in an insertion groove(24) of the bottom mold. A locking protrusion(26) is formed on the peripheral surface of the insertion groove separately to predetermined gap from the bottom. The core is mounted on the locking protrusion. If the columns are inserted into the groove, ribs(20) of the top mold are inserted into the column holes to prevent movement of the core.

Description

Shocking absorption shoes part song gold style structure and shocking absorption shoes part song}

The present invention relates to a shock-absorbing mold structure and to an absorbent shoe midsole, and in particular, for shock absorption in which a plurality of columns having a plurality of shock-absorbing functions different in size, shape, hardness and color are arranged in a complex manner. A shoe midsole and a mold structure for said shoe midsole.

In recent years, according to the improvement of living standards and the demands of consumers, many kinds of shoes with various designs are manufactured, and special shoes according to each function are also released in various ways. However, if you look at the shoes that are released in various types, such a structure can be seen to be very similar.

Shoes commonly used are largely composed of a sole and an upper coupled to the top of the sole. The sole consists of an outsole that forms the sole of the shoe and a midsole that forms the midsole of the shoe (hereinafter referred to as the midsole). The outsole is made of a rubber material to satisfy the function for wear resistance and anti-slip, and the midsole is made of a foam-molded structure of a synthetic resin material of various materials, in particular polyurethane or polyvinyl chloride or ethylene vinyl acetate .

On the other hand, in order to implement a shock absorbing function in the aforementioned shoe midsole, preferably in order to mold a shoe midsole having a plurality of columns (columns) having a shock absorbing function, conventionally selected by the amount of the raw material selected in the previously prepared mold The method of filling in one time and molding with the same hardness and color regardless of the number or shape of the columns is adopted.

However, this method has a problem in that it is difficult to inject an accurate amount of raw materials in order to form a plurality of columns having different sizes and shapes, and in particular, cannot form a midsole combined with columns having different hardness or color.

The present invention has been made to solve the above problems, an object of the present invention for solving the problems as described above is for shock absorption in which the columns having a plurality of shock absorbing functions of different colors and hardness are arranged in a complex To provide a mold structure for shoe midsoles.

Still another object of the present invention is to provide the aforementioned shock absorbing shoe midsole.

The present invention according to the first aspect for achieving the object as described above has a core having holes in which columns having different sizes and shapes are inserted, and an insertion groove for inserting the core and filling the midsole raw material. The upper mold has a lower mold and the upper mold implements the mold structure for the shoe midsole consisting of an upper mold having ribs inserted into the hole of the column to prevent the flow of the core when the columns are inserted into the hole.

In addition, the present invention according to the second aspect for achieving the above object is to produce columns of different sizes and shapes and different hardness and color, and then the columns of the core to be different in hardness or color depending on the site. Inserting it into the hole; Shock absorbing shoes consisting of the process of forming the core after the process is inserted into the insertion groove of the lower mold, and then injecting the midsole raw material through the injection hole of the core, combining the upper mold and the lower mold. We propose a method for manufacturing the midsole.

In order to achieve the above object, the present invention is a shock-absorbing shoe midsole mold structure in which columns having a plurality of shock absorbing functions different in color and hardness are arranged in a complicated manner.

In another aspect, the present invention provides a lower mold having a core having holes into which columns of different sizes and shapes are inserted, and an insertion groove for inserting and seating the core and filling the midsole raw material. Mold structure for shoe midsole composed of an upper mold having ribs inserted into the hole of the column to prevent the flow of the core when inserted into the hole

In another aspect, the present invention is to prepare a column having a different size and shape, and different hardness and color, and then insert the columns into the hole of the core so that the hardness or color is different according to the site; Shock absorbing shoes consisting of the process of forming the core after the process is inserted into the insertion groove of the lower mold, and then injecting the midsole raw material through the injection hole of the core, combining the upper mold and the lower mold. It is a manufacturing method of midsole.

The present invention can manufacture a shoe midsole in which a plurality of columns having different shock absorbing functions having different sizes and shapes or different colors and hardness are arranged in a complicated manner, and in particular, according to the arrangement method of the number, colors and hardness of the columns. There is an advantage that can be changed freely to manufacture a more functional shock-absorbing midsole for shoes.

In addition, the present invention is to easily remove the upper and lower molds and the inside of the mold is fixed to the molding machine as shown in Figure 1 in order to facilitate the operation when inserting each of the pre-molded columns into the mold. Formed into cores that can form products

Therefore, the column inserting operation has a synergistic effect to facilitate the operation by separating the core from the lower mold and proceed independently regardless of the machine or mold.

1 is an exploded perspective view showing a method of manufacturing a shock absorbing shoe midsole according to an embodiment of the present invention.
Figure 2 is a perspective view showing the assembled state of the shoe sole molding mold shown in FIG.
3 is a cross-sectional view of the mold shown in FIG.
Figure 4 is a cross-sectional view showing a coupling state of the upper mold and the lower mold shown in FIG.
Figure 5 is a perspective view showing the structure of the shock absorbing shoe midsole in accordance with the present invention.

Hereinafter, with reference to the accompanying drawings will be described in more detail of the present invention.

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of terms in order to describe their invention in the best way. It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

First of all, the concept of shock absorbing shoe midsole to be proposed in the present invention is not only different in size and shape, but also freely changed according to the arrangement of columns having different colors and hardness. It is to propose a method and a mold structure that can be done.

According to an embodiment of the present invention, the mold structure and manufacturing method of the above-described shock absorbing shoe midsole are as shown in FIGS. 1 to 4. Referring to the drawings, the mold structure to be implemented in the present invention consists of a core 12 into which the upper mold 18 and the lower mold 22 and columns 10 of various shapes are inserted. . In this case, the columns 10 are formed in different sizes and shapes, and are particularly columns formed to have various colors and hardness.

The core 12 described above is usually made in a rectangular type and has a plurality of holes 14 into which the columns 10 are inserted, and the inner circumferential surface of the holes 14 is made in the same shape as the outer shape of the column 10. On the other hand, the injection hole 16 is formed through the core 12, through which the raw material for shoe soles, preferably polyurethane-based or ethylene vinyl acetate is injected. At this time, the raw material injected through the injection hole 16 is filled in the bottom surface of the lower mold 22, preferably between the bottom surface of the core 12 and the bottom surface of the insertion groove 24.

An insertion groove 24 is formed on the upper surface of the lower mold 22 so that the core 12 is fitted, and the core 12 is formed on the inner circumferential surface of the insertion groove 24 and the bottom surface of the insertion groove 24. The locking jaw 26 is formed along the circumferential surface to be seated while maintaining a predetermined interval. Meanwhile, a plurality of ribs 20 are formed on the bottom surface of the upper mold 18, and the ribs 20 are fitted into the respective holes 10a of the columns 10 inserted into the core 12. That is, the ribs 20 prevent the flow of the core 12 and at the same time prevent the raw material for the midsole filled through the inlet 16 from flowing into the holes 10a of the columns 10.

≪ Example 1 >

First, after preparing the mold as described above, preferably the mold (18, 22) and the core 12 formed in the open-close type shown in Fig. 1 or 2 were prepared.

Next, after the columns 10 having the shock absorbing function were prepared, respectively, the columns 10 were inserted into the holes 14 of the core 12. In this case, the columns 10 were manufactured to have different sizes and shapes, particularly different colors or hardnesses.

Thereafter, the core 12 into which the columns 10 are inserted is inserted into the insertion groove 24 of the lower mold 22 and seated on the locking jaw 26, and then the midsole through the inlet 16 of the core 12. After injecting the raw material, the upper mold 18 is coupled to the lower mold 22 so that the ribs 20 of the upper mold 18 are fitted into the holes 10a of the column 10, respectively. As shown in FIG. 5, a shock absorbing shoe midsole 100 having a bottom plate 28 and columns 10 was manufactured as shown in FIG. 5.

The foregoing has outlined rather broadly the features and technical advantages of the present invention in order to better understand the claims of the invention which will be described later. Additional features and advantages that constitute the claims of the present invention will be described in detail below. It should be appreciated by those skilled in the art that the disclosed concepts and specific embodiments of the invention can be used immediately as a basis for designing or modifying other structures to accomplish the invention and similar purposes.

In addition, such modifications or altered equivalent structures by those skilled in the art as a basis for modifying or designing the structures and embodiments of the invention disclosed in the present invention to other structures for carrying out the same purposes of the present invention are patents Various changes, substitutions and changes may be made without departing from the spirit or scope of the invention as set forth in the claims.

10: column 12: core
16: injection hole 18: upper mold
22: lower mold 28: base plate
100: midsole

Claims (2)

In the mold structure for manufacturing a shock-absorbing shoe midsole, the core having holes for inserting columns of different sizes and shapes, and the core is seated on the circumferential surface for inserting the core and filling the midsole material A lower mold having an insertion groove formed while maintaining a predetermined distance from the bottom surface, and the upper mold includes a rib inserted into the hole of the column to prevent flow of the core when the columns are inserted into the hole. Shoe midsole mold structure, characterized in that it comprises an upper mold formed.
A shoe for shock absorption using a shoe sole mold including a core having holes having different sizes and shapes, a lower mold having an insertion groove in which the core is seated, and an upper mold having ribs for fixing the core. In the method of manufacturing a midsole,
Preparing a plurality of columns of different sizes and shapes, and then inserting the columns into the holes of the core; After the core is inserted into the insertion groove of the lower mold and seated, and then the raw material for the midsole through the injection hole of the core, the impact produced by combining the upper mold and the lower mold to form a process Absorbent shoe midsole.

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