KR101873278B1 - Apparatus for inspecting upper shoe and the method thereof - Google Patents

Abstract

According to an embodiment of the present invention, there is provided an image forming apparatus comprising: a plurality of support rollers arranged and rotated in parallel to each other; an inspection chamber which is moved in one direction by the support rollers and installed on the movement path of the inspection object; A gantry robot installed inside the gantry robot, an imaging member provided in the gantry robot, a light transmitting member provided in parallel with the ground in the inspection chamber and having light transmittance, a lower light emitting member And an upper light emitting member spaced from the upper side of the light transmitting member in the inspection chamber and illuminating downward toward the light transmitting member.

Description

[0001] APPARATUS FOR INSPECTING UPPER SHOE AND THE METHOD THEREOF [0002]

The present invention relates to an apparatus and method for inspecting the upper of a shoe, and more particularly, to an apparatus and method for inspecting the upper of a shoe for comparing an image of the upper with a pattern film using a camera.

Generally, a step of carrying out a dimensional inspection of a transparent paper having a cellophane paper or a pattern formed by marking an identification mark on the upper which is provided in the upper part of the shoe manufacturing process is included.

However, depending on the characteristics of the leather, the dimensions may be deformed by the deformation during storage or transportation of the upper depending on the humidity or the temperature.

Therefore, dimensional inspection is a necessary item.

The above-mentioned inspection method relies on the visual inspection of the whole water, and the visual inspection by the naked eye has not been carried out optimally because of many problems such as fatigue of the inspector, consistency of the inspection and cost.

In addition, there is a problem that the efficiency of the quality inspection is deteriorated because it is difficult to maintain the consistency of the quality inspection because the fatigue of the inspection personnel increases and various measurement standards are used for each model because there is no uniform measurement principle.

Korean Patent No. 10-0357764 (October 25, 2002)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and an object of the present invention is to provide a plurality of support rollers rotated in parallel to each other, A gantry robot installed inside the inspection chamber, an imaging member provided on the gantry robot, a light transmitting member provided in parallel with the ground in the inspection chamber and having light transmittance, A lower light emitting member provided below the light transmitting member and an upper light emitting member spaced from the upper side of the light transmitting member in the inspection chamber and illuminated downward toward the light transmitting member, And to provide an inspection apparatus.

According to an aspect of the present invention, there is provided an apparatus for inspecting the upper part of a shoe, comprising: a plurality of support rollers arranged and rotated in parallel with each other; a pattern film having a plurality of key points; A gantry robot fixed in the gantry arm of the gantry robot, the gantry robot being installed in the inspection chamber, the gantry robot being mounted on the gantry arm of the gantry robot, And a lower light emitting member which is provided so as to be spaced apart from the lower side of the light transmitting member and which is provided in parallel with the surface of the light transmitting member in the inspection chamber, And an upper light emitting member which is formed on the upper side of the member and illuminates downward toward the light transmitting member Of the upper part of the shoe.

In one embodiment, the inspection chamber is formed to have a space in which the gantry robot can be mounted, and a light blocking film for blocking light from the outside may be formed in the opening to which the inspection subject member is loaded .

And the lower light emitting member may be disposed upward to transmit and illuminate the light transmitting member.

At least two gantry robots are provided, and an imaging member may be installed at the lower end of each gantry robot.

According to another aspect of the present invention, there is provided a method of inspecting an upper of a shoe, the method comprising: providing an upper for shoe manufacture; arranging a plurality of identifiers on one side of the upper; The method comprising the steps of: placing a top on a support roller of a support frame; disposing a pattern film on an upper surface of the upper; illuminating the upper from the underside of the upper, And obtaining a projected image of the patterned film.

In one embodiment, the pattern film may include a plurality of key points formed in the projection area of the upper.

And comparing the projection pattern of the identification symbol formed on the upper surface of the upper part with the projection pattern of the key point of the pattern film.

And storing the image acquired by the camera in a memory unit.

According to an aspect of the present invention, it is possible to reduce the input force for measuring the size or defect of the upper.

Further, since the measurement is made using the imaging member, accurate inspection of the dimensions or defects of the upper can be performed.

It should be understood that the effects of the present invention are not limited to the above effects and include all effects that can be deduced from the detailed description of the present invention or the configuration of the invention described in the claims.

FIG. 1 schematically shows a cross-sectional view of an apparatus for testing the upper of a shoe according to an embodiment of the present invention.
Fig. 2 schematically shows a plan view of Fig.
3 shows an image obtained by an imaging member used in an apparatus for inspecting the upper of a shoe according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "indirectly connected" . Also, when an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.

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

FIG. 1 schematically shows a cross-sectional view of an apparatus for testing an upper of a shoe according to an embodiment of the present invention, and FIG. 2 schematically shows a plan view of FIG.

1, an apparatus for testing the upper of a shoe according to an embodiment of the present invention includes a support roller 101, a test chamber 20, a gantry robot 210, an imaging member 211, 220, a lower light emitting member 240, and an upper light emitting member 230.

The support roller 101 is supported on a support frame 102 installed perpendicular to the paper surface, and can be installed to be rotatable.

The worker 1 can mount the inspection object 10 on the supporting roller 101 and the inspection object 10 is brought into rolling contact by the rotation of the supporting roller 101 and is brought into contact with the inspection chamber 20 In the direction F of FIG.

Here, the inspected object 10 may include a fabric, a sheet material, a membrane, a natural leather, a synthetic leather, or other materials.

Besides, the inspected object 10 may be a material of a shoe which is joined by sewing, an adhesive, welding, or the like.

When the inspected object 10 is made of a plurality of materials, a part of the plurality of materials may be stiff. For example, the inspected object 10 may be a component of a shoe upper.

At least one support roller 101 may be provided so that the inspected object 10 can be rolled on the support roller 101 to be conveyed. Preferably, the support rollers 101 are disposed at the front and rear ends along the traveling direction of the inspected object 10, respectively, so that the lower end of the inspected object 10 can be supported.

When a plurality of support rollers 101 are provided, it is needless to say that the rotation axes of the support rollers 101 are arranged parallel to each other so that the conveyance direction of the inspected object 10 is kept constant.

The inspection chamber 20 may be provided with an opening to which the inspected object 10 is to be charged and may have a space to allow the inspected object 10 and the gantry robot 210 to be installed therein. In addition, a light shielding film (not shown) may be formed in the opening portion of the inspection chamber 20 so as to prevent an external light from intruding into the inspection chamber 20.

The gantry robot 210 may be a rectangular or Cartesian coordinated robot.

That is, the gantry robot 210 is operated by a combination of two or more axes orthogonal to each other, and can be used for precision assembly, handling, inspection and the like.

The gantry robot 210 guides the front and rear guide rails 213, the left and right guide rails (not shown), the vertical guide rails 212, and the gantry driving unit (not shown) .

The left and right guide rails may be installed at both ends of a vertical bar (not shown) at a predetermined height on the ground. The front and rear guide rails 213 for guiding the back and forth movement of the gantry robot can move left and right along the left and right guide rails.

The front and rear guide rails 213 may be movably coupled to the left and right guide rails at one end and coupled at right angles to the vertical guide rails 212 at the other end.

The vertical guide rail 212 is coupled to the front and rear guide rails 213 so as to be movable back and forth, and the gantry arm 210a can be mounted on one side so that the gantry arm 210a can move up and down.

As described above, the gantry robot 210 is provided with a gantry driving unit for providing a driving force for moving the gantry robot 210 back and forth, left and right, and vertical movement. The gantry driving unit moves the front and rear guide rails 213 in the left- (Not shown) for driving the gantry robot 210 to move back and forth in the vertical guide rail 212 and an up-down driving unit (not shown) for vertically moving up and down the gantry robot 210 have.

The left and right driving parts, the front and rear driving parts, and the up / down driving part are driven using a servo motor and are generally used, so a detailed description thereof will be omitted.

The image pickup member 211 is installed at the lower end of the gantry robot 210 and can be moved together by the gantry arm 210a.

At least one image pickup member 211 may be provided and the image pickup member 211 is moved to the position of the image pickup surface which is the facing surface of the inspected object 10 loaded in the inspection chamber 20 and the inspected object 10 , ≪ / RTI >

The imaging member 211 may be, for example, a camera. The camera can be matched to the light source so that the camera can be used to capture electromagnetic radiation in the spectrum reflected or emitted from the inspected object 10. [

The imaging member 211 can be moved or fixed to the opposite surface of the inspected object 10 by the gantry robot 210. [
In other words, the gantry robot 210 includes a vertical guide rail 212 coupled to be movable back and forth along the front and rear guide rails 213, and is configured to move integrally with the movement of the vertical guide rail 212, The image pickup member 211 is fixed to the gantry arm 210a of the gantry robot 210 so that the image pickup member 211 is movably coupled in the forward, backward, left and right directions.

In addition, one or more light sources can provide illumination to the inspected object 10 while the imaging member 211 is imaging.

The light emitted by the lower light emitting member 240 and the upper light emitting member 230 is a characteristic point in the inspected object 10, May be selected to match the antireflection characteristics expected on the imaging surface or the like.

For example, the light source can illuminate the inspected object 10 with light having a wavelength that is reflected at a predetermined characteristic point, which can be particularly sensed by the imaging element 211, and thereby the image of the inspected object 10 Thereby identifying one or more minutiae points in the image.

Here, when an identification symbol is indicated on the upper surface of the inspected object 10, the identification symbol may be a characteristic point as described above.

The lower light emitting member 240 may be disposed to transmit light from the lower side to the upper side and to transmit the light transmitting member 220 installed inside the inspection chamber 20 in parallel with the ground.

In other words, the light transmitting member 220 supports or is spaced apart from the bottom surface of the inspected object 10 and is located below the inspected object 10, and the lower light emitting member 240 is positioned below the light transmitting member 220 can do. Therefore, the projected image of the inspected object 10 can be formed by the light of the lower light emitting member 240.

The upper light emitting member 230 may be disposed on the upper side of the light transmitting member 220 inside the inspection chamber 20 and may be arranged to supply light toward the light transmitting member 220 downward.

The upper light emitting member 230 can perform a function to make the projected image formed by the light of the lower light emitting member 240 appear more clearly.

At least one image pickup member 211 may be provided and when a plurality of gantry arms of the gantry robot 210 are configured according to the characteristics of the inspected object 10, Two or more of them may be provided and the arrangement thereof may be arranged in a line or in various forms depending on the situation.

A method of inspecting the upper of a shoe according to an embodiment of the present invention as described above will be described as follows.

First, a step of providing an upper for shoe manufacturing is performed.

Then, a step of arranging a plurality of identifiers on one surface of the upper is performed. Here, it is preferable that the identification symbol is written on one surface of the upper using printing means such as ink, and is distributed so as to identify the area range of the upper.

The operator then places the upper on the support roller 101 of the support frame 102 and transfers the upper to the inspection chamber 20 in a rolling contact on the support roller 101.

The inspected object 10 is positioned inside the inspection chamber 20 and the gantry robot 210 supporting the image pickup member 211 is moved in the horizontal direction according to an operation signal or manual operation to pick up the inspected object 10 .

Further, the pattern film is positioned on the upper side of the upper part by the gantry robot 210 in the inspection chamber 20, and light is irradiated from the lower light emitting member 240 to the upper part from the lower side of the upper part.

At this time, the projected image of the upper and the pattern film is obtained by the imaging member 211 while the upper image pickup member 211 irradiates light toward the upper surface of the upper.

The pattern film may be a thin film including key points formed in a plurality of arrangements in the projection region of the upper. Needless to say, the thin film must be a material through which the light from the lower light emitting member 240 and the upper light emitting member 230 is transmitted.

FIG. 3 shows an image obtained by an imaging member used in an apparatus for inspecting the upper of a shoe according to an embodiment of the present invention. As shown in FIG. 3, the projected image includes an identification symbol 4 formed on the upper surface of the upper, Is compared with the projection pattern 4 of the key point of the pattern film so that the upper is included in the tolerance of the standard predetermined by the operator based on the specific criterion Verification becomes possible.

Here, reference numeral 2 in FIG. 3 denotes an area not including the area of the upper, and reference numeral 3 denotes an area including the area of the upper.

The projection point 4 of the keypoint or upper identification symbol shown in Fig. 3 is merely exemplary and other pattern features, elements, alignment lines or cut paths may be included within the scope of the inventive concept disclosed herein.

The acquired image may be stored in a separate memory unit, and the memory unit may be dedicated hardware for image processing, or may be a program for software processing in an independent processing unit.

The captured image can be obtained as an image stopped by the image acquisition module of the vision part. For example, the acquired image may be transmitted to a DSP (Digital Signal Processor) board of the image processing module, and may be subjected to a preprocessing process to be converted into an image required for screening.

Therefore, according to the device and method for inspecting the upper part of the shoe according to the embodiment of the present invention, not only can the input force for measuring the size or defect of the upper part be reduced, but also the size or badness Can be accurately checked.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

20: Inspection chamber
101: Support roller
210: Gantry robot
211: imaging member
220: light transmitting member
230: upper light-
240: Lower light emitting member

Claims (8)

A plurality of support rollers disposed in parallel to each other and rotated;
An inspection chamber which moves in one direction by the support rollers in a state where the pattern film having a plurality of key points is overlapped with the upper and which is installed on the movement path of the upper;
A gantry robot installed inside the inspection chamber;
An imaging member fixed to the gantry arm of the gantry robot, for acquiring a projected image of the key point;
A light transmitting member provided inside the inspection chamber in parallel with the paper surface and having light transmittance;
A lower light emitting member disposed below the light transmitting member; And
And an upper light emitting member spaced from the upper side of the light transmitting member in the inspection chamber and illuminating downward toward the light transmitting member. The method according to claim 1,
Wherein the inspection chamber is formed to have a space in which the gantry robot can be mounted, and a light shielding film for blocking light from the outside is formed in the opening to which the inspection subject member is loaded. The method according to claim 1,
Wherein the lower light emitting member is disposed to be upwardly illuminated by being transmitted through the light transmitting member. The method of claim 3,
Wherein at least two gantry robots are provided, and imaging members are provided at the lower ends of the respective gantry robots. Providing an upper for shoe manufacturing;
Arranging a plurality of identifiers on one side of the upper;
Disposing a pattern film on an upper surface of the upper;
Illuminating the upper from the lower side toward the upper; And
And acquiring a projected image of the upper and the pattern film with the imaging member disposed on the upper side of the upper,
Wherein the pattern film includes a plurality of key points formed within a projected area of the upper. delete 6. The method of claim 5,
Further comprising the step of comparing the projection pattern of the identification symbol formed on the upper surface of the upper part with the projection pattern of the key point of the pattern film. The method of claim 7, further comprising storing the image acquired by the camera in a memory unit.

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