KR100786120B1 - Manufacturing method of shoes insole ordered by user - Google Patents

Abstract

A method for manufacturing a customized shoe's insole using non-contact measuring and application of a digital system is provide to obtain precise data for manufacturing a shoe's insole and to allow elevation of wearing sensation of shoes as well as arch supporting force through close adhesion. A method for manufacturing a customized shoe's insole includes the steps of: forming a stripe pattern on the sole surface of foot(S1); obtaining images of the sole of foot photographing the stripe pattern(S2); extracting the whole and arch shape of customer's foot in 3 dimensional data(S3); converting the date about feet into numeric data for a CNC machine processing and inputting the date(S4); manufacturing an arch supporting implement by processing with CNC machine(S5); processing and finishing the arch supporting implement(S6); and completing a customized shoe's insole by attaching a slipsole material to the completed arch supporting implement(S7).

Description

MANUFACTURING METHOD OF SHOES INSOLE ORDERED BY USER}

1 is a flow chart showing a manufacturing method of a shoe sole according to the present invention.

2 and 3 are views illustrating a process of acquiring an image based on a stripe pattern and converting the image into a three-dimensional shape according to the present invention.

Figure 4 is a schematic main process diagram showing the arch support and the sole made by the present invention.

Explanation of symbols on the main parts of the drawings

1: synthetic resin board 2: CNC machine

3: arch support 4: insole

5: sole

The present invention relates to a method for manufacturing a custom shoe sole according to the customer's personal shape, and more specifically, by manufacturing the shoe sole to be in close contact with each other according to the different foot shape and arch shape of the shoe as well as of the shoe It relates to a method of manufacturing a custom shoe sole to increase the fit.

The human foot is the body organ with an arch, and the arch in the foot is the part where the central medial part of the sole is curved like a bow of the bow, and the curved part to the inside and the outside has a gentle slope. It absorbs and alleviates the shock applied to the soles of the foot when standing, walking or running, and also acts as a bio-protective device that protects the foot and facilitates its propulsion when walking or running.

However, the arch of the human foot walking upright was born with a fate that slowly collapses over time, and there may be a degree of difference, but no one can avoid it. In particular, people who are overweight, severely injured, and injured or undergoing surgery are reported to progress faster, and degeneration of the arch in the foot speeds up the fatigue of the foot, eases fatigue, and improves exercise efficiency. It can lower and even cause discomfort in the ankle, knee or spine.

Representative diseases caused by the imbalance of the arch include flat feet and ankle foot, which causes torsion and tension in the musculoskeletal muscles of the lower extremities and upper extremities when walking or exercising for a long time, resulting in severe pain after the exercise or foot / leg / leg / Knee pain and pelvis / back pain is a problem that is caused, the foot-shaped foot is walking on the outside of the foot when walking, so there is a problem such as muscle pain or back pain or foot / ankle pain.

Accordingly, in recent years, when the shoe is worn in consideration of the arch of the foot, it is possible to dynamically support the arch portion of the foot, so that a customized shoe sole that can uniformly support the load applied to the foot throughout the shoe manufacturing process Reflect.

Conventionally, the manufacturing process of the custom shoe sole considering the arch of the foot, when the user stands on the form box by pressing the plaster in the molding hole in the form of the foot shape and the arch form remains in the form box in the form box The shape of the sole including the arch is modeled with plaster.

Subsequently, the shape of the sole is refined and finished by thermocompression after placing the material of the sole (insole) on the patterned plaster.

By the way, when manufacturing the most customized shoe including the prior art as described above, all the foot printing method to obtain the shape of the sole including the arch to stand on the object, so that the shape of the foot during the measurement There was a problem that the accurate measurement is difficult due to the problem that the arch shape is deformed, and perfect custom fabrication is difficult due to trimming the product close to the shape of the customer's foot, and thus there is a problem in that it does not properly function for the arch support.

That is, in the prior art, it was difficult to manufacture a shoe sole that is perfectly in contact with the shape of the foot and arch of the customer, and the conventional manufacturing process has a very troublesome problem.

The present invention has been created in view of the above problems, and the purpose is to create a close contact to fit the shape of the customer's foot and arch shape to fit the shoe soles to increase the support of the shoes as well as the arch support To provide a method of manufacturing.

The present invention is to apply a digital system utilizing a three-dimensional shape to create a customized shoe sole by accurate data, to facilitate customer convenience by acquiring the data in a non-contact, and to simplify the manufacturing process without cumbersome To provide a method of manufacturing a custom shoe sole.

The present invention for achieving the above object comprises the steps of forming a continuous striped pattern in close contact with the sole surface of the customer; Photographing the stripe pattern formed on the sole to obtain an image of the sole; Extracting the shape of the foot and arch of the customer into three-dimensional data by calculating and processing the image of the sole of the foot based on the stripe pattern into three-dimensional data; Converting and inputting three-dimensional data of a foot shape and an arch shape of a customer into numerical data for CNC machine processing; Manufacturing an arch support having a curved surface corresponding to a foot shape and an arch shape of a customer by processing a synthetic resin plate which is a flat plate through the input numerical data; Processing the arch support according to the type of shoes to be worn by the customer; Attaching the insole to the processed arch support is characterized in that the step consisting of completing the sole.

The arch support is preferably formed to have a curved surface corresponding to the shape of the customer's foot and arch by processing the front and back of the synthetic resin plate intaglio and embossed through the CNC machine, respectively.

The arch support is preferably made of a material of polypropylene (PP) in consideration of workability and rigidity and support elasticity.

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

1 is a flow chart illustrating a manufacturing method of a custom shoe sole according to the present invention, Figures 2 and 3 is a view showing a process of acquiring the image by the stripe pattern and data into a three-dimensional shape, Figure 4 It is a schematic main process drawing showing the arch support and the sole made by the present invention.

As shown in Figure 1 to Figure 4, the manufacturing method of a custom shoe sole according to the present invention forms a continuous striped pattern to be in close contact with the sole surface of the customer (S1).

Here, the stripe pattern may be formed by forming a pattern of stripes through a subject (for example, a projector) that projects light, or may be formed by wearing a sock on which the pattern is formed to the customer.

The pattern of the soles generated by the projection of the stripes or the wearing of the socks in which the stripes are formed is photographed through a 3D scanning camera to obtain an image of the soles except for the toes in a non-contact manner (S2).

As shown in FIG. 3 through the computer, the image of the surface of the foot of the customer obtained through the stripe pattern is processed into three-dimensional data to extract the shape of the foot and the arch of the customer except the toe into three-dimensional data. (S3).

At this time, by searching for the corresponding points or the corresponding lines from the image of the pattern of the sole of the foot, using the same to implement the three-dimensional point data and to calculate the shape of the customer's foot except the toe and arch shape as three-dimensional data.

2 and 3 are embodiments of the present invention, a process of calculating the three-dimensional line data by finding the corresponding lines, which are sets of corresponding points, from the image of the pattern of the sole of the foot, and calculating the three-dimensional data. It is shown.

The three-dimensional data of the customer's foot shape and arch shape is converted into numerical data for CNC (Computer Numerical Control) processing and input to the CNC machine (S4).

The synthetic resin board 1 is processed by the CNC machine 2 through the numerical data input while the synthetic resin board 1 having a flat thickness is fixed to the CNC machine to form a curved surface corresponding to the shape of the customer's foot and arch. The arch support 3 which has is produced in the form as shown in FIG. 4 (S5).

At this time, the arch support (3) is to form a curved surface corresponding to the shape of the customer's foot and arch to correspond to the front and back through the process of cutting the front and back of the synthetic resin plate 1 with the CNC machine (2), respectively It is shaped. Here, the front side is processed in an intaglio shape and the back side is processed in an embossed shape, respectively.

Synthetic resin plate to be the arch support, that is, the arch support (3) is preferably using polypropylene (PP), the use of polypropylene synthetic resin material as a material is good workability and easy to process and the initiative Not only has rigidity and firmness to support the arch, but also has the proper elasticity to absorb and mitigate the impact of the arch. In addition, the arch support is processed using materials such as cork or EVA. I might do it.

When the arch support (3) is completed by the CNC machine, the arch support (3) is processed according to the type of shoes to be worn by the customer (S6).

At this time, the width and thickness of the arch support and the like is processed and finished to fit the user's weight and use of such as dress shoes or golf shoes or sneakers.

The sole 5 is attached to the processed arch support 3 by attaching various functional pads such as impact absorbing pads or insole material 4 of general pads (S7).

According to the manufacturing method of a custom shoe sole made of such a configuration, it is possible to provide the convenience of the customer does not have to move the customer directly by acquiring the image in a non-contact, by applying a non-contact digital system to the shape of the customer's foot and arch Not only accurate measurement is possible but also three-dimensional data is extracted accordingly, which can significantly improve the problem that measurement error occurs depending on the pressure or angle of the existing sole, and the numerical data based on the accurately measured and calculated three-dimensional data The precision machining with the CNC machine through the conversion allows the manufacture of a custom arch support (3) and the sole (5) in close contact with the customer's foot.

In addition, the arch support 3 is fabricated using polypropylene having good workability, rigidity and appropriate elasticity, and the front and back of the synthetic resin board 2 are cut for the processing precision. Make sure to support the arch that is in close contact with the part and serves as a bioprotective device. In addition, the arch support (3) closely supports the arch portion through the rigidity and rigidity, thereby exhibiting the function of making the structure and shape of the deformed foot ideal and inducing the axis of the human body to be perpendicular to the body. It will also help to improve balance.

Furthermore, the present invention can simplify the manufacturing process compared to the conventional method by applying a non-contact method and a digital system, and since all the customer information is data, it can proceed very quickly and easily when data transmission is required, and the foot data of the customer Also has the usefulness that can be stored easily.

Accordingly, the present invention provides an arch support and a shoe sole having the same according to the foot shape and arch shape of each customer, so as to absorb and mitigate the shock applied to the sole when a person is standing, walking or running. It can not only provide dynamic support for the arch, which facilitates its propulsion and protects the foot when walking and running, but also improves the fit of the shoe. Since it can be uniformly supported, it is possible to prevent and prevent the collapse of the arch portion, which is a bioprotective mechanism, and to prevent various diseases and pains that may be caused by the damage of the arch.

Although the custom sole 5 having the arch support 3 according to the present invention has been described and exemplified in general shoes, it is possible to uniformly support the load applied to the foot throughout the body and It is obvious that it can be used as a medical treatment for physical correction and treatment since it exhibits the corrective function to create the ideal equilibrium.

As described above, according to the manufacturing method of the custom shoe sole according to the present invention, the function of absorbing and alleviating the shock applied to the sole when standing or walking or running and smoothing the propulsion during walking or running It provides dynamic support for the arch of the foot, which protects it, and provides the shoe sole that fits perfectly to different foot shapes and arch types. Not only can the load applied to the foot be uniformly supported throughout the foot, but also prevent and prevent the collapse of the arch portion, which is a bioprotective mechanism, and can prevent various diseases and pains that may be caused by the damage of the arch. Pain relief for people with advanced arch deterioration Can expect little effect, and provides useful to create a healthy and balanced to the body.

In addition, by measuring the shape of the foot in a non-contact way it can pursue customer convenience, increase the accuracy by the application of a digital system and eliminate the hassle of the manufacturing process that has been pointed out a lot of existing problems.

Claims (3)

Forming a continuous stripe pattern in close contact with the sole surface of the customer; Photographing the stripe pattern formed on the sole to obtain an image of the sole; Extracting the shape of the foot and arch of the customer into three-dimensional data by calculating and processing the image of the sole of the foot based on the stripe pattern into three-dimensional data; Converting and inputting three-dimensional data of a foot shape and an arch shape of a customer into numerical data for CNC machine processing; Manufacturing an arch support having a curved surface corresponding to a foot shape and an arch shape of a customer by processing a synthetic resin plate which is a flat plate through the input numerical data; Processing the arch support according to the type of shoes to be worn by the customer; Method of manufacturing a custom shoe sole comprising the step of completing the sole by attaching the insole to the processed arch support. The method of claim 1, The arch support is a manufacturing method of a custom shoe sole characterized in that it is shaped to have a curved surface corresponding to the shape of the customer's foot and arch by processing the front and back of the synthetic resin plate in an intaglio and embossed shape respectively through a CNC machine. The method according to claim 1 or 2, The arch support is a manufacturing method of a custom shoe sole, characterized in that made of a material of polypropylene (PP).

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