JPH0783625A - Automatic discrimination device for section - Google Patents

Abstract

PURPOSE:To provide an automatic discrimination device for a section having enough discrimination accuracy and capable of realizing an automatic processing line at a low cost. CONSTITUTION:When a section 1 on a conveyance device 2 passes through a position, a passing sensor outputs a passing signal. A data processing circuit 4 instructs a color sensor 5, an image-pickup element 6 and a length- measurement device 8 to measure the section 1. The image-pickup element 6 takes a cross section of the section 1 so that an image-processing circuit 7 abstracts a characteristic value of the cross sectional shape on the basis of the image data from the image-pickup element 6. The color sensor 5 measures a tone of color of the section 1. The length-measurement device 8 measures a length of the section 1. The data processing circuit 7 collates the characteristic value of the cross sectional shape of the section from the image-processing circuit, the value of the tone of color from the color sensor 5 and the measured value from the length-measurement device with pre-registered data to discriminate the section 1. The discrimination result is outputted to a control device or the like in a cutting apparatus.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic identification device for identifying a shape material such as an aluminum sash in an automatic processing line.

[0002]

2. Description of the Related Art Conventionally, there is a processing system in which a shape of material such as an aluminum sash discharged from a warehouse by a person in charge of material delivery is sent to a cutting machine or the like and cut and processed by the cutting machine. It is necessary to identify the actual product before processing this shape, and a method based on the actual product slip or the actual product label is used as the identification method.

The actual product form is a form with a bar code indicating the product number of the shape product attached to the shape product, and the actual product label is a similar label with a bar code attached to the shape product. Then, by reading such a bar code with a hand scanner or a fixed-type automatic scanner, the material is identified and processed. Also, as other processing system,
For large-scale factories, there is also an automatic processing line that manages the profile in an automatic warehouse, cuts the required profile according to instructions from a computer, and automatically supplies it to the processing line.

[0004]

The conventional processing system has been carried out as described above, and in the shape identifying method using the actual product voucher or the actual product label, the bar code is vulnerable to dirt and cannot be identified. There is a problem that it is difficult to attach the actual product label because the shape and size of the shape material are diverse because it requires operator's operation such as reading with a scanner when identifying the shape material and it is not suitable for an automated line. It was Further, there is a problem that the automatic processing line that automatically supplies the profile from the automatic warehouse is costly.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a profile automatic identification device which has a necessary and sufficient identification accuracy and can realize an automatic processing line at a low price in order to solve the above problems.

[0005]

According to the present invention, there is provided an image pickup device for picking up an image of a cross section of a material having a uniform cross section, and an image processing circuit for extracting a feature value of the cross section from image data output from the image pickup device. , A color sensor that measures the color tone of the shape material and converts it into a color tone value, a length measuring device that measures the length of the shape material, the characteristic value of the cross-sectional shape output from the image processing circuit, and the color sensor output The color tone value and the measurement value output from the length measuring machine are collated with pre-registered data to identify the profile, and a data processing circuit which outputs the identification result to an external device.

[0006]

According to the present invention, the cross section of the profile is picked up by the image pickup device, and the feature value of the cross section is extracted from the image data output from the image pickup device by the image processing circuit. Further, the color sensor measures the color tone of the profile, and the length measuring machine measures the length of the profile. Then, the feature value of the cross-sectional shape from the image processing circuit by the data processing circuit, the color tone value from the color sensor, and the measured value from the length measuring device are collated with the registered data to identify the profile, This identification result is output to an external device such as a control device of the cutting machine.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram of a profile automatic identification apparatus showing one embodiment of the present invention. Reference numeral 1 is a shape object to be identified, 2 is a conveying device that conveys the shape material 1 to a measuring section of this shape material automatic identification device, 3 is a passage sensor that outputs a passage signal when the shape material 1 passes, and 4 is a data processing circuit. When the passage signal is output from the passage sensor 3, the color sensor, the image sensor, and the length measuring machine, which will be described later, are instructed to measure the profile 1, and the measurement results are compared with the registered data to obtain the shape. The material 1 is identified, and the identification result is output to a control device of a cutting machine, which is an external device (not shown).

Further, 5 is a color sensor for measuring the color tone of the profile 1 and converting it into a color tone value of several levels, 6 is an image sensor for capturing the cross-sectional shape of the profile 1 and outputting image data, and 7 is an image sensor. An image processing circuit for extracting the feature value of the cross-sectional shape from the image data output from the element 6, and a length measuring machine 8 for measuring the length of the profile 1.

Next, the operation of such a profile automatic identification device will be described. The conveyance device 2 includes a passage sensor 3, a color sensor 5, an image sensor 6, and a length measuring machine 8 for automatically passing a profile material 1 delivered from a warehouse and placed on the transport device 2 by an operator. It is conveyed to the measuring unit of the identification device. At this time, the cross section of the profile 1 may be damaged due to contact during transportation or the like. Therefore, if the end of the profile 1 is cut off in the previous step, the cross-sectional shape can be measured with higher accuracy. be able to.

When the profile 1 carried by the carrier device 2 passes through the passage sensor 3, the passage sensor 3 outputs a passage signal. Then, when the passage signal is output from the passage sensor 3, the data processing circuit 4 instructs the color sensor 5, the image pickup element 6, and the length measuring machine 8 to measure the profile 1.

The color sensor 5 measures the color tone of the profile 1 according to an instruction from the data processing circuit 4, converts it into a color tone value of several levels, and outputs it to the data processing circuit 4. Further, the image pickup device 6 takes an image of the cross-sectional shape of the profile 1 according to an instruction from the data processing circuit 4, and outputs image data of this cross-sectional shape to the image processing circuit 7. Then, the image processing circuit 7 extracts the feature value of the cross-sectional shape from the image data output from the image sensor 6 and outputs it to the data processing circuit 4.

Further, the length measuring machine 8 measures the length of the profile 1 according to an instruction from the data processing circuit 4 and outputs the measured value to the data processing circuit 4. Next, in the data processing circuit 4, a data set consisting of the color tone value, the sectional shape characteristic value, and the length of the profile 1 to be identified is registered in a format in which an identification number is assigned to each data set. Has been done.

The data processing circuit 4 registers the color tone value output from the color sensor 5, the characteristic value of the cross-sectional shape output from the image processing circuit 7, and the measurement value output from the length measuring machine 8 in advance. The data set having the highest degree of similarity is selected, and its identification number is output to, for example, the control device of the cutting machine. Then, the profile 1 thus identified is carried to the cutting machine by the carrying device 2 and cut and processed into a predetermined size based on the identification number output from the data processing circuit 4.

Therefore, in the case of a shape member having a uniform cross-sectional shape such as an aluminum sash and the like, which can identify the actual product from the cross-sectional shape, color and length, these individual characteristics can be measured with relatively coarse accuracy. By determining the similarity with the data registered in advance, the shape identification can be realized at low cost.

[0015]

According to the present invention, the sectional shape, color, and
Also, since the length is measured and the profile is identified by collating it with the registered data, the necessary and sufficient identification accuracy can be obtained.
By using it in conjunction with a cutting machine, etc., an automatic processing line for automatic cutting and processing can be realized at a low price.

[Brief description of drawings]

FIG. 1 is a block diagram of a profile automatic identification apparatus showing one embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shaped material 2 Conveyor 3 Pass sensor 4 Data processing circuit 5 Color sensor 6 Image sensor 7 Image processing circuit 8 Length measuring machine

Claims (1)

[Claims] 1. An image pickup device for picking up an image of a cross section of a profile having a uniform cross section, an image processing circuit for extracting a feature value of the cross section from image data output from the image sensor, and a color tone of the profile. A color sensor that measures and converts the color tone value, a length measuring device that measures the length of the profile, a characteristic value of the cross-sectional shape output from the image processing circuit, a color tone value output from the color sensor, and An automatic profile processing device characterized by having a data processing circuit for identifying the profile by comparing the measured value output from the length measuring machine with pre-registered data and outputting the identification result to an external device. Identification device.