JPH07120360B2 - Computer aided design system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Overview] The present invention relates to a computer-aided design system, and aims to standardize the function of creating a parts table, and defines the items that make up the parts table and the settings that define the data to be entered in the items. A form data registration section for inputting and registering form data composed of items and attribute data of the part based on the instructed form data among the plurality of registered form data are inputted and inputted. A component data registration unit for registering the attribute data, the instructed form data information, and the graphic data as part data, and extracting each form data based on the part data quoted in the product data to classify the items, Edit the parts list of the product by entering the specified data based on the setting items in each item column together with the registered attribute data of the part. A part table editing unit is provided to register the form data defining the form of the part table, and the part data is registered by inputting attribute data based on the specified form data and the part cited in the product data. The parts list of the product is edited, created, and output based on the form data of.

[Industrial application field]

The present invention relates to a computer-aided design system, and more particularly, to an improved method of creating a bill of materials.

In recent years, a computer-aided design system (CAD system), which creates a design drawing on a display screen under the aid of a computer, is becoming popular.

One of the ways to use this CAD system is to automatically pick up used parts from the drawings that have been designed and drafted, and create a parts list for purchase / production for manufacturing. In the system, a certain form of aggregation /
Since only the table output can be performed, there is a problem that a user who manufactures a wide variety of products must provide a parts table creation program corresponding to the product.

For this reason, there is a need for a computer-aided design system that standardizes the parts bill creation function.

[Conventional technology]

 FIG. 7 is an explanatory view of the prior art.

FIG. 7 shows an example of a procedure for designing a product and creating a parts table by a CAD system, and the following operations and processes are performed.

(1) Create graphic data of parts on the display screen based on the design function provided by the CAD system.

(2) Input attribute data such as the part name, part number, material, weight, etc. and register it together with the graphic data.

(3) When creating a design drawing of a product (assembly),
Quote the registered parts and place them on the display screen.

(4) After the arrangement is completed, the part number (the same part is the same part number) is given on the display screen.

As a result, the quoted component data (graphic data, attribute data) is filed based on the component number, and the number of used components is counted.

(5) When a parts table creation instruction is given, the parts table creation unit (not shown) inputs the attribute data, the number, etc. of the quoted parts data into the parts table format set in advance for the product. To create and output a parts list.

[Problems to be Solved by the Invention]

The item contents of the parts list often differ depending on the product, and particularly in the case of the parts list for production / purchase, items specific to the user or the product such as the place of purchase or the size of material are required.

Moreover, if the item is different, the type of data (letters and numbers), the length of data (the number of characters), etc. written in this item are different.

For this reason, conventionally, a parts table creating program corresponding to a product has been provided to a user, which sets a parts table format corresponding to a product and writes predetermined data corresponding to the format.

Therefore, the system provider has to develop a program corresponding to the product, and there is a problem that it is not easy for the user to change the form of the parts table.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a computer-aided design system having a standardized parts table creation function.

[Means for Solving the Problems]

To achieve the above object, the computer-aided design system of the present invention, as shown in the principle diagram of FIG. 1 of the present invention, is an item (50a) constituting a parts list (30) of a product and data to be entered in the item (50a). The form data registration section (12) for inputting and registering the form data (50) consisting of the setting item (50b) defining the item and the specified form data among the registered form data. Based on the attribute data (51a) of the part, the attribute data (51a) input, the style data information (52) and the graphic data (51b) are input.
And a part data registration unit (18) for registering and as the part data (51), based on the cited part data, the respective form data (50) are extracted to classify the item (50a), The setting items (50
A parts table editing unit (14) that edits the parts table (30) of the product by entering predetermined data based on b) in each item column.
And.

[Work]

The form of the parts table 30 is defined by the form data 50 including items 50a and setting items 50b.

The setting item 50b is composed of, for example, a data format such as letters and numbers and the data length thereof, a total weight with respect to the number used, a calculation formula for calculating a predetermined amount of the material used, etc. , The data content to be input for the item is specified.

The form data registration unit 12 registers the form data 50 in a file by, for example, displaying a registration screen and inputting it.

When registering the created pattern data 51b of the part, if the registered form data 50 is designated by the form data information (form name, etc.) 52, the component data registration unit 18 displays, for example, attribute data corresponding to the form data 50. The input table is displayed together with the graphic data, and when the attribute data 51a of the part is input to the field provided for the predetermined data length, the graphic data 51
b, the form data information 52 and the input attribute data 51a are registered as the component data 51.

When the registered part data 51 is quoted to create product data 60 and a part number is given, the quoted part data is filed corresponding to the part number.

When the output of the parts table is instructed, the parts table editing part 14 uses the respective parts data 51 quoted and the respective form data information 52.
Extract all items 50a from those stylistic data 50
The parts table 30 is extracted and classified to edit the parts table 30 in a predetermined format, and the specified data designated by the registered attribute data 51a and the setting item 50b is entered in the entry field (field) of each item 50a. To create.

As described above, the form data 50 that defines the form of the parts table 30
Is registered and the designated form data 50 is registered as the part data 51, the parts table 30 is automatically edited, so that the standardization of the parts table creating function is achieved.

〔Example〕

 An embodiment of the present invention will be described with reference to the drawings.

FIG. 2 is a block diagram of a CAD system of the embodiment, FIG. 3 is an explanatory view of a style and its parts table, FIG. 4 is a view showing a flow of operations and data, FIG. 5 is a parts data registration flowchart, and FIG. FIG. 8 is a flowchart of an editing process.

(Structure) In the CAD system shown in FIG. 2, 10 is a central processing unit CPU, which activates and operates each program of the CAD system, and 11 is an operation unit, which is an input for designing while talking with the CAD system. And a display unit, 12 is a form data registration unit, which displays a registration screen, inputs the form data 50, and registers it in the form data storage unit 17a of the parts library file 17, 13 is a utility In the file, format conversion, format deletion,
Various utilities related to creating a parts list such as a form list and a parts library are filed, 14 is a parts list editor, which edits the parts table 30 by the process described below and outputs it to the printer 15, 15 is a printer, Reference numeral 16 is a drawing creation unit, which has various functions for creating a graphic, and creates graphic data 15b on the work file 21 based on the data input from the operation unit 11. 21 is a work file, which is the graphic data being created. 51 is a part library file, 17 is a parts library file, and a form data storage part 17a and a part data storage part 17b are provided, and form data 50 and part data 51 are registered respectively, and 18 is a part When the form data 50 is designated in the data registration section, the attribute data input table 54 is displayed together with the graphic data being worked, and the input attribute data 51a and graphic data 51b are displayed. The used form name (form data information) 52 and the part library file 17 are registered, and 19 is a product drawing creation unit, which places the quoted parts at the specified position on the display screen and the part number 53. Grant
The part data 51 and the layout information are registered in the product data file 20 based on the part number 53.
If there are multiple parts, the part number 53 is added to the file.

20 is the product data file, the quoted parts data 51,
The arrangement information and the like are aggregated and registered for each part number 53.

(Example of configuration of form and its parts list) FIG. 3 shows an input display screen of form data 50 and attribute data 51a,
3 shows an example of the output parts table 30.

Form data 50 includes items 50a and setting items 5 required for parts table 30.
0b, here data type (format) such as Kanji and numbers, field length of input data (F-LENGTH), necessity of total,
The format data 50 is composed of each setting item 50b of the calculation formula, and the form data 50 in which the item 50a and the setting item 50b are added and deleted is registered with another form name 52.

At the time of registration, the part drawing and the attribute data input table 54 corresponding to the form data 50 having the input fields (corresponding to the set field length) capable of inputting data are displayed, and the attribute data according to the designated data type is displayed. 51a (part name, model number, weight, etc.) is input by the operator.

The items 50a such as the number of pieces and the total weight which do not need to be input may be deleted from the input table 54.

The parts table 30 shown in FIG. 3 is the parts table 30 for the form data 50 shown in FIG.
The same item 50a is arranged in F), the contents of each item 50a are entered in the field of each item 50a, that is, the registered attribute data 51a is entered if it is the attribute data 51a, and if calculation is required, the calculation result by the calculation formula is the part number. Completed in order of 53.

The above example is an example in which parts using the same style data 50 are cited. When parts having different styles are cited, the parts table 30 is edited by adding items 50a other than common parts.

In the CAD system configured as described above, the following registration and parts table editing processing is performed. Fourth
Refer to the figure and Fig. 5 and Fig. 6 (Registration of form data) Call the registration screen, input the form data 50 in which the item 50a and the setting item 50b are set, and perform the registration operation.

As a result, the form data registration unit 12 registers the form data 50 in the form data storage component 17a in the component library file 17.

(Registration of parts data) Refer to Fig. 5 (1) When registering a part under design, first the style name
Specify 52.

(2) The attribute data input table 54 conforming to the part drawing under design work and the designated form data 50 is displayed.

(3) When the attribute data 51a is entered in a predetermined field (entry field 55) of the input table 54 and a registration operation is performed, the part data registration unit 18 uses the work file 21 to draw the graphic data 51 of the part.
Extracted b, input attribute data 51a, style name 52,
When the component is made up of smaller components, the component information and the like are registered in the component data storage component 17b by the component name. See Fig. 4 (Registration of product data) (1) Place the quoted parts at the specified position on the display screen and give the part number 53.

As mentioned above, the same parts in the product configuration have the same part number.
53 will be granted.

(2) When the assembly drawing of the product is completed, the quoted parts data 51 and the layout information are in a product data file in order of part numbers.
Filed on 20. See Fig. 4 (Parts table editing process) See Fig. 6 (1) When the parts table output is instructed, the product data file 20 is referred to, the style name 52 of the quoted part is extracted, and the corresponding style The data 50 is called from the form data storage unit 17a.

(2) Based on the called form data 50, the parts table 30 having the form as shown in FIG. 3 is edited and entered in a predetermined field such as attribute data 51a of the cited parts.

Since the parts are usually created corresponding to the products, the style data 50 of the quoted parts are almost the same, but if parts created in other products are quoted and item 50a is different, item 5
If 0a is large, it is added to the parts table 30, and if it is insufficient, type conversion, addition processing, etc. are performed using a utility.

(3) The created parts table data is output to the printer 15.

As described above, the form data can be edited in the parts table 30 in an editable format.
If 50 is registered in advance, attribute data 51a of the part is input based on the specified style data 50, and this is registered as the part data 51 together with the style name 52, the parts table editing unit
14 creates the bill of materials 30 based on the form data 50.

It should be noted that the user can create a parts table of any form by using the utility related to the parts table creation such as the modification of the style data 50, the list of registered style data 50, the parts library list, and the like.

〔The invention's effect〕

The present invention provides a CAD system for registering form data that defines the form of a parts table and editing and creating the parts table based on this form, without the need to create a parts table creation program for each product. The effect of reducing the development man-hours in the computer aided design system and the burden on the user who manufactures a wide variety of products is extremely great.

[Brief description of drawings]

 FIG. 1 is a principle diagram of the present invention, FIG. 2 is a CAD system block diagram of an embodiment, FIG. 3 is an explanatory view of a style and a parts table thereof, FIG. 4 is a diagram showing an operation and a data flow, and FIG. Is a component data registration flowchart, FIG. 6 is an edit processing flowchart, and FIG. In the figure, 11 is an operation unit, 12 is a form data registration unit, 13 is a utility file, 14 is a parts table editing unit, 15 is a printer, 16 is a drawing creation unit, 17 is a library file, 17a is a form data storage unit, 17b. Is a part data storage part, 18 is a part data registration part, 19 is a product drawing creation part, 20 is a product data file, 21 is a work file, 30 is a parts table, 50 is form data, 51 is part data, 52 is form data Information, style name, 53 is a part number, 54 is an attribute data input table.

Claims (1)

[Claims] 1. A computer aid for registering graphic data of a part created on a display screen and attribute data of the part inputted as part data, and quoting the registered part data to generate product data. In the design system, enter and register form data (50) consisting of items (50a) that make up the parts list (30) of the product and setting items (50b) that define the data to be entered in the items. A form data registration unit (12), which inputs attribute data (51a) of the part based on the instructed form data among the plurality of registered form data, and the entered attribute data (51a) The designated form data information (52) and the graphic data (51
b) and the component data registration unit (18) for registering the item data (51), and based on the cited component data, the respective form data (50) are extracted to classify the item (50a). Then, along with the attribute data (51a) of the part quoted, predetermined data based on the setting item (50b) is entered in each item column, and the parts table editing unit (30) for editing the parts table (30) of the product ( 14) is provided, and the form data (50) of the parts table (30) is registered, and the attribute data (51a) is input based on the specified form data (50) to register the part. A computer-aided design system, characterized in that a parts table (30) of the product is edited, created and output based on the style data of the parts quoted in the data (60).