JP4684693B2 - Computer-aided design device - Google Patents

Description

    The present invention relates to a computer-aided design apparatus that allows a designer to easily grasp the packaging and transportation costs of parts designed by a three-dimensional CAD (Computer Aided Design) system.

    Conventionally, a packing material such as a cardboard box for housing parts is basically a cubic shape, and many of them have been standardized. For this reason, the size of the packing material changes due to a slight difference in dimensions of the components to be accommodated, and the cost related to packing such as packing and transportation may change greatly. This is particularly noticeable for CKD (Complete Knock Down) parts exported overseas. For this reason, it is extremely important for the designer to design a part in consideration of the packing material in order to reduce the total cost.

    As a technique for providing information about packing, for example, Japanese Patent Laid-Open No. 2002-357413 discloses three basic dimensions of length, width, and height for packing articles having various shapes. A method of measuring using an apparatus is disclosed.

Japanese Patent Application Laid-Open No. 2002-230058 discloses a technique for reading a packing data of a part similar to a part to be packed from a past packing record database and determining a packing form.
JP 2002-357413 A Japanese Patent Laid-Open No. 2002-230058

    However, in the technique disclosed in Patent Document 1 described above, only basic dimensions for packaging are provided, and the designer cannot know the cost of packaging, thereby reducing the total cost. There is a problem that it is impossible to design while considering. Further, even with the technique disclosed in Patent Document 2, since the designer is simply provided with the data of the packaging specification, the designer similarly designs in consideration of the total cost reduction. There is a problem that can not be.

    The present invention has been made in view of the above circumstances, and the designer can easily know the packaging material and the cost related to the packaging at the part design stage, and always consider the total cost reduction. An object of the present invention is to provide a computer-aided design apparatus capable of performing the above.

The present invention provides a computer-aided design system for supporting a part of the design, and display means for displaying the designed parts, packing shapes you calculating the packing shape of the part that the design on the basis of the shape of the part that is above design calculation means selects on Kikori hull shape can be accommodated from the packaging material information that is set in advance to accommodate the components on the basis of the packing material as the first packaging material, smaller than the first packaging material use a packaging material selecting means for selecting a packaging material as the second packaging material, selected above packaging material selecting means, and costs related to packing in the case of using the first packaging material, said second packaging material And a cost output means for causing the display means to output and display the cost related to the packaging.

    According to the computer-aided design apparatus according to the present invention, the designer can easily know the packaging material and the cost related to the packaging at the part design stage, and perform the part design while always considering the total cost reduction. It becomes possible.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 4 show an embodiment of the present invention, FIG. 1 is an overall configuration diagram showing an outline of a system of a computer aided design apparatus, FIG. 2 is a flowchart of a packing cost display program, and FIG. 3 is a minimum packing shape. FIG. 4 is an explanatory diagram showing an example of selecting a packing material from standardized data.

    In FIG. 1, reference numeral 1 denotes a computer-aided design apparatus. The computer-aided design apparatus 1 performs image processing on an input device 2 composed of a pointing device such as a keyboard and a mouse, and an input from the input device 2, and is a component drawing And a 3D CAD device 3 capable of generating a 3D image of the component, and a display device 4 such as a CRT or a liquid crystal display for displaying a part drawing or 3D image generated by the 3D CAD device 3 And a CAD-related data section 5 that stores data necessary for generating a part design and a three-dimensional image by the three-dimensional CAD device 3, and a packing-related data that stores pre-standardized packing materials and various cost-related data. It has a data part 6 and is mainly configured.

    The three-dimensional CAD device 3 is a design in which a designer inputs a predetermined point, line, and other various images from the input device 2 while confirming with the display device 4, and designs a part drawing. Data is stored in the CAD related data section 5. Further, a part drawing or the like created by the designer using the three-dimensional CAD device 3 is configured to be freely stored in the CAD related data section 5.

    The three-dimensional CAD device 3 is based on an input component diagram, a three-dimensional image directly input by the designer from the input device 2, or an image input from a storage medium such as a CD-R or DVD (not shown). It has a function of generating a three-dimensional image, and the generated three-dimensional image can be stored in the CAD-related data unit 5.

    Further, when the designer inputs an operation command for data related to the input device packing from the input device 2, the three-dimensional CAD device 3 performs the minimum packing of the component based on the generated three-dimensional image of the component according to the packing cost display program described later. A cube shape is calculated as the shape. Based on this cubic shape, a standardized packing in which a first packing material capable of accommodating this part and a second packing material smaller than the first packing material are stored in advance in the packing related data section 6. While selecting from material data, it is comprised so that the cost (packing cost (packing cost), transportation cost (transportation cost), the sum of these costs) regarding the packing memorize | stored for each of these packing materials may be displayed on the display apparatus 4. Yes. That is, in the embodiment of the present invention, the three-dimensional CAD device 3 has functions as minimum packing shape calculation means, packing material selection means, and cost output means, and the display device 4 has functions as display means. Configured.

Next, the packing cost display program executed by the computer-aided design apparatus 1 will be described with reference to the flowchart of FIG.
This program is a program that is executed when a designer inputs a calculation command for input device packing related data from the input device 2. First, in step (hereinafter abbreviated as “S”) 101, the three-dimensional CAD device 3 The part shape of a three-dimensional image generated based on an input part diagram, a three-dimensional image directly input from the input device 2 by a designer, or an image input from a storage medium such as a CD-R (not shown) Read data.

    Next, the process proceeds to S102, and the minimum packing shape is calculated based on the part shape data of the three-dimensional image read in S101. For example, as shown in FIG. 3, when the shaft portion 10a is a component 10 protruding from one side surface of the component main body 10b, the minimum cubic shape (length L × width W) covering the outer shape of the component 10 is used. XHeight H) 11 is calculated. At this time, the cube shape may be obtained based on the bottom surface determined by the designer, or the cube shape may be obtained based on each maximum dimension on the screen.

    Next, proceeding to S103, the three-dimensional CAD device 3 determines the cube shape 11 and the standardized packing material data (for example, the size of the standardized packing cardboard box stored in the packing related data unit 6). Data) and a packing material that can accommodate the minimum cubic shape obtained in S102 is selected as the first packing material.

    For example, as shown in FIG. 4, the dimensions (length L × width W × height H) of the cube shape 11 are arranged between the packing material 21 and the packing material 22 arranged on the packing material data. In the case of the above dimensions, all dimensions (length L1 (> length L) × width W1 (> width W) × height) are larger than the dimensions of the cube shape 11 (length L × width W × height H). The packaging material 21 having a height H1 (> height H)) is selected as the first packaging material.

    Next, the process proceeds to S104, and a packing material that is one rank smaller than the first packing material selected in S103 is selected as the second packing material (that is, the packing material is used as the second packing material in the example of FIG. 4). 22 is selected).

    Next, the process proceeds to S105, and the packing cost stored in the packing related data section 6 for each of these packing materials in advance for the first packing material selected in S103 and the second packing material selected in S104, that is, The packing cost (packing cost) and the transportation cost (transportation cost) for each destination are read, and the total of these costs is calculated.

    Then, the process proceeds to S106, and the first packing material and the costs related to the packing and the costs related to the second packing material and the packing determined in S105 are output and displayed on the display device 4 and the program is exited.

At this time, as an example of display on the display device 4,
“First packing material: packing cost 150 yen, transportation cost 6000 yen (North America), 5000 yen (Thailand), total 6150 yen (North America), 5150 yen (Thailand)
“Second packaging material: packing cost 100 yen, transportation cost 4000 yen (North America), 3500 yen (Thailand), total 4100 yen (North America) 3600 yen (Thailand)”
Etc. are displayed.

    By this display, the designer can immediately understand the difference in cost, and if there is no functional problem even if the dimension of the shaft portion 10a of the component 10 is shortened, the dimension is shortened to reduce the cost, or Even if the shaft 10a is mounted diagonally, if there is no functional problem, the cost can be reduced by mounting it diagonally. Alternatively, the shaft 10a and the component main body 10b can be assembled separately and assembled on site. It is possible to make judgments such as suppressing

    As described above, according to the embodiment of the present invention, for the parts designed by the designer, the packaging material and the cost related to the packaging are immediately displayed. It is possible to easily know the cost related to packing, and it is possible to design parts while always considering the total cost reduction.

    In addition, when displaying packing materials and costs related to packing, not only one type of packing material but also multiple types, especially when using smaller packing materials, are also displayed. It is possible to show the designer the direction of cost reduction by specific packaging, and it is possible to make the design change more easily.

    In addition, when displaying packing materials and costs related to packing, not only one type of packing material but also an example of using a larger packing material is displayed. Thus, it is possible to show the amount of cost reduction by specific packaging, and it is possible to easily understand the effect of the design change.

  In this embodiment, the two packing materials, the first packing material and the second packing material, are displayed. However, only the first packing material may be displayed. In addition, the transportation cost is displayed for each of a plurality of destinations, but only one destination may be displayed. Furthermore, the display of the cost relating to the packing is to display the packing cost, the transportation cost, and the total three, but may be any one or any two displays.

Overall configuration diagram showing an outline of a system of a computer-aided design apparatus Flow chart of packing cost display program Explanatory drawing showing an example when finding the minimum packing shape Explanatory drawing showing an example of packing material selection from standardized data

Explanation of symbols

1 Computer-aided design device 2 Input device 3 3D CAD device (minimum packing shape calculation means, packing material selection means, cost output means)
4. Display device (display means)
5 CAD-related data section 6 Packing-related data section 10 Parts 11 Minimum cube shape (minimum packing shape)
21 Packing material (first packing material)
22 Packing material (second packing material)
Agent Patent Attorney Susumu Ito

Claims (5)

In a computer-aided design device that supports the design of parts,
Display means for displaying the designed parts;
Packing shape calculating means for calculating the packing shape of the designed part based on the shape of the designed part;
A packaging material that can be accommodated is selected as a first packaging material from preset packaging material information that accommodates the component based on the packaging shape, and a packaging material smaller than the first packaging material is selected as a second packaging material. A packaging material selection means for selecting as a packaging material;
Cost output means for causing the display means to output and display the cost related to packing when using the first packing material and the cost related to packing when using the second packing material selected by the packing material selecting means. When,
A computer-aided design apparatus comprising: In a computer-aided design device that supports the design of parts,
Display means for displaying the designed parts;
Packing shape calculating means for calculating the packing shape of the designed part based on the shape of the designed part;
A packaging material that can be accommodated is selected as the first packaging material from preset packaging material information that accommodates the component based on the packaging shape, and a packaging material larger than the first packaging material is selected as the second packaging material. A packaging material selection means for selecting as a packaging material;
Cost output means for causing the display means to output and display the cost related to packing when using the first packing material and the cost related to packing when using the second packing material selected by the packing material selecting means. When,
A computer-aided design apparatus comprising: The cost related to packing that is output and displayed by the cost output means is at least one of the cost required for packing, the cost of transporting the packed parts to a preset destination, and the total of these costs. The computer-aided design apparatus according to claim 1 or 2 . The packaging shape operation means, computer aided design apparatus according to any one of claims 1 to 3, characterized in that for calculating the packing shape of the component based on the three-dimensional shape of the component. The computer-aided design apparatus according to claim 1, wherein the packing shape is a minimum packing shape of the designed part.

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