JPH1011487A - Design system for single component constituting assembly component - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically design each single component which constitutes the assembly component, on the basis of an input value of a parameter part of the assembly component. SOLUTION: This system is equipment with a single component basic shape storage means 4 which stores a basic shape model for a single component, a machining feature storage means 6 which stores a basic model for a machining feature, and a single component detailed design rule storage means 8 which stores a single component detailed design rule. A single component detailed design rule executing means 9 extracts the basic shape model out of the single component basic shape storage means 4 according to the shape and attribute input of the assembly component to generate a basic shape model having the attribute inputted to its attribute input item and generate a basic shape model having the shape value inputted to its shape input item on the basis of the basic shape model and single component detailed design rule, and extracts the basic model out of the machining feature storage means 6 to generate a basic model having the attribute inputted to its attribute input item on the basis of the single component detailed design rule.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a design system for a single part constituting an assembly part, and more particularly, to a system for designing an assembly part based on input values of parameter parts of the assembly part parametrically modeled. 1. Field of the Invention The present invention relates to a CAD system capable of automatically designing each component part to be constituted.

[0002]

2. Description of the Related Art In the design of a single part made of one part,
A CAD system has been proposed in which a machining feature is created parametrically and a parameter portion is given a value to generate drawing data (JP-A-7-182391).

This CAD system includes modeling means for creating a three-dimensional solid model and a machining feature in a parametric manner and machining feature adding means, and a model for converting the three-dimensional solid model and the machining feature into drawing data and drawing it. Drawing means, production / processing data adding means for adding production data and processing data as attributes of the drawing data, designated numerical data in the shape data, shape data, drawing data,
When the numerical data related to the specified numerical data in the data of the production data and the processing data is converted into a parameter, and the numerical data corresponding to the specified parameter in the shape data is given, the reverse of the above is performed. It is configured to include numerical data / parameter conversion means for performing conversion.

In the CAD system having such a configuration, when designing an assembly part, the parameter part (type, size, arrangement position) of a parametrically created processing feature to be added to a single part (plate part) constituting the assembly part. The value input to) is performed while referring to the drawing of the assembly part.
The required values are extracted and manually performed.

[0005]

As described above, the conventional C
In the AD system, when designing an assembly part, there is a possibility that a mistake in extracting a value from a drawing or a mistake in inputting to a parameter portion may occur. In addition, there is a problem that even when designing similar assembled parts, it is necessary to perform an overlapping operation each time.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has as its object the purpose of making each of the plate parts constituting the assembly part based on the input values of the parameter part of the assembly part parametrically modeled. It is an object of the present invention to provide a design system for plate parts constituting an assembly part which can automatically perform the design up to the design.

[0007]

In order to solve the above-mentioned problems, a design system for a single component constituting an assembled component according to the first aspect of the present invention comprises a basic shape item and an attribute of various single components constituting the assembled component. Single part basic shape storage means for storing a basic shape model consisting of input items, processing feature storage means for storing a processing feature basic model consisting of processing feature attribute items for expressing a single part, and details of the single part A single-part detailed design rule storage unit for storing a single-part detailed design rule for deriving dimensions and addition of a processing feature to a single-part part; an assembly part design information inputting unit for inputting a shape and an attribute of an assembly part to be designed; An assembly part design information record that stores the shape input and attribute input of the assembly part input from the assembly part design information input means. Means for extracting a basic shape model of a single part constituting an assembly from the single part basic shape storage means based on the shape input and the attribute input stored in the assembly part design information storage means; Generate a basic shape model with attributes input to
Based on the basic shape model inputting this attribute and the single part detailed design rule stored in the single part detailed design rule storage means, the basic shape in which the shape value is input to the shape input item of the basic shape model While a model is generated, a basic model of a machining feature into a single component is extracted from the machining feature storage means, and a single model is generated based on the single component detailed design rule to generate a basic model in which an attribute is input to an attribute input item thereof. Part detail design rule executing means; single part detailed shape data storage means for storing the basic shape model generated by the single part detailed design rule executing means and single part detailed shape data comprising the basic model; Drawing data creation rules based on the single part detailed shape data stored in the shape data storage means Thus a structure in which a drawing creating means for creating a single item part drawing data.

According to a second aspect of the present invention, there is provided a system for designing a single part constituting an assembled part according to the first aspect of the present invention, wherein the single part basic shape storage means constitutes an assembled part. A single part basic shape editing means for adding, changing, and deleting basic shape items and attribute input items of various single parts, and a processing feature attribute item for expressing a single part stored in the processing feature storage means. Processing feature editing means for adding, changing, and deleting; addition of a single part detail design rule for deriving the detailed dimensions of the single part stored in the single part detailed design rule storage means and addition of the processing feature to the single part; It is configured to include a single part detailed design rule editing means for changing and deleting.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing an electrical configuration of a design system for a single component constituting an assembled component according to the present invention.

The design system of the present invention comprises an assembly part design information input means 1, an assembly part design information storage means 2, a single part basic shape editing means 3, a single part basic shape storage means 4, a processing feature editing means 5, a processing feature. Storage means 6, single part detailed design rule editing means 7, single part detailed design rule storage means 8, single part detailed design rule execution means 9, single part detailed shape data storage means 10, drawing data creation rule editing means 11, drawing data It is composed of a creation rule storage unit 12, a drawing data creation rule execution unit 13, a single part drawing data storage unit 14, and a drawing output unit 15.

The output of the assembling part design information storing means 2 to which the output of the assembling part design information input means 1 is derived and the output of the asingle part basic shape editing means 3 are output to the single part detailed design rule executing means 9. The output of the derived single-part basic shape storage means 4, the output of the processing feature storage means 6 from which the output of the processing feature editing means 5 is derived, and the single-component part from which the output of the single-part detailed design rule editing means 7 is derived. The output of the detailed design rule storage means 8 is respectively derived.

Also, a single part detailed design rule executing means 9
Is output to the single part detailed shape data storage means 10, and the output of the single part detailed shape data storage means 10 is directed to the drawing data creation rule executing means 13.

Further, drawing data creation rule editing means 11
Is output to the drawing data creation rule storage means 12, and the output of the drawing data creation rule storage means 12 is guided to the drawing data creation rule execution means 13. The output of the drawing data creation rule executing means 13 is led to the single part drawing data storage means 14, and the output of the single part surface data storage means 14 is led to the drawing output means 15. .

The assembly part design information storage means 2 stores information on the shape (numerical values such as height, width, height, etc.) and attributes (function names of single parts) input from the assembly part design information input means 1. Is stored.

The single part basic shape storage means 4 stores a basic shape model of a single part. As shown in FIG. 6, the basic shape model includes [part number], [part name], [function name], [a vertical dimension], [b horizontal dimension],
It consists of items of [c thickness dimension].

The processing feature storage means 6 stores a basic model of the processing feature. As shown in FIG. 9, this basic model includes [generation code], [affiliation], [type], [argument 1], [argument 2], [argument 3], [reference point], [reference vector] Each item consists of:

A code is sequentially given to [generation code] every time the processing feature is generated. In [Affiliation], the part number of a single part whose shape is represented by the processed feature is input. [Type] includes holes, grooves,
A feature type such as a corner is input. [Argument 1],
Arguments required for each feature type are input to [Argument 2] and [Argument 3]. Also, [reference point] and [reference vector] indicate where the reference point and the reference vector of the processing feature are located in the coordinate system of the single component shown in FIG. FIG. 7 shows a basic shape of a plate component, which is one of the single components, a reference point, and a reference vector.

The single part detailed design rule storage means 8 includes:
Single part detailed design rules are registered. This rule includes, as shown in FIG. 11, a conditional part starting with “if”,
"Nara" consists of the following conclusions.

Specifically, rule 001 states that if a single part called “side plate left” is included in the “function name”, “H” (the length of the assembly part) Height value). In addition, rule 007 is that if [single part] “back plate” is included in [function name], the value of “3” is entered in the item “c thickness dimension” of the basic shape model regardless of the shape of the assembled part. To be inserted.
In addition, when a single component called “side plate left” is included in the [function name], the rule 103 includes “hole” in the “type” item of the basic model in order to represent the shape of the single component.
[Argument 1: Diameter] is "30", [Argument 2: Depth]
And "B / 3, A ₁ +7.
5, 15 ", and" (0, 0,
0) (0, -1, 0) (0, 0, -1) ". However, B, will be described below A _1.

Based on the shape input and attribute input stored in the assembly part design information storage means 2, the single part detailed design rule execution means 9 stores the basic shape of the single part constituting the assembly from the single part basic shape storage means 4. Extract the model,
A basic shape model in which the attribute is input to the attribute input item is generated, and based on the basic shape model in which the attribute is input and the single component detailed design rule stored in the single component detailed design rule storage unit 8, While generating a basic shape model in which a shape value is input to the shape input item of the basic shape model, a basic model of a processing feature into a single part is extracted from the processing feature storage means 6, and based on a single part detailed design rule, This is a block for generating a basic model in which an attribute is input to the attribute input item.

The individual part detailed shape data storage means 10
FIG. 4 is a block for storing the basic shape model generated by the single part detailed design rule executing means and single part detailed shape data including the basic model. FIG.

The single part basic shape editing means 3 defines the basic shape model of the single part and also stores the basic shapes of the basic shape models of the various single parts constituting the assembled parts stored in the single part basic shape storage means 4. Items (a vertical dimension,
This block is used to add, change, or delete items (b horizontal dimension, c thickness dimension) and attribute input items (part number, part name, function name).

The machining feature editing means 5 defines a basic model of the machining feature, and adds, changes, and deletes the attribute items of the machining feature for expressing the single parts stored in the machining feature storage means 6. It is a block.

The single part detailed design rule editing means 7 registers a single part detailed design rule for deriving the detailed dimensions of the single part and the addition of the machining feature to the single part, and is stored in the single part detailed design rule storage means 4. This block is used to add, change, or delete the individual part detailed design rules.

The drawing data creation rule storage means 12 stores
A drawing data creation rule for creating drawing data based on the single part detailed shape data stored in the single part detailed shape data storage means 10 is stored.

The drawing data creation rule editing means 11 is a block for adding, changing and deleting drawing data creation rules stored in the drawing data creation rule storage means 12.

The drawing data creation rule executing means 13 executes the drawing data creation rule stored in the drawing data creation rule storage means 12 for the single part detailed shape data stored in the single part detailed shape data storage means 10. To generate drawing data.

The single part drawing data storage means 14 is a block for storing the drawing data generated by the drawing data creation rule executing means 13.

The drawing output means 15 is a block for outputting the drawing data stored in the single part drawing data storage means 14 to a screen and a plotter.

Next, the operation of the system for designing a single component constituting the assembled component having the above configuration will be described with reference to the flowchart shown in FIG. However, in the present embodiment, a case where an assembly part having the shape shown in FIGS. 3 and 4 is designed will be described as an example.

The assembled parts have the function names “side plate left”, “side plate right”, “bottom plate”, “back plate”, “curtain plate”,
It is formed by six types of plate parts (single parts) of “pick-up plate”, and their dimensions (W, H, B, A ₁ , A ₂ )
Has the values shown in FIG.

Therefore, the assembly part design information input means 1 inputs the dimensions shown in FIG. 5 and the function names of the plate parts shown in FIG. 4 (step S1). The assembly part design information storage means 2 stores these input information, that is, information of the shape (numerical values such as height, width, height, etc.) and attributes (function names of plate parts) of the assembly parts (step S2).

In the single part detailed design rule execution means 9,
First, based on the shape input value and the attribute input of the function name shown in FIG. 5 stored in the assembly part design information storage means 2, six types of plate parts (see FIG. 12) is extracted (step S3), and a basic shape model (FIGS. 8 and 13) is generated in which attributes (part number, part name, function name) are input to the attribute input items. (Step S4).

Next, the basic shape model (FIG. 1) of each plate component to which these attributes (part number, part name, function name) are input.
Based on 3) and the single part detailed design rule (FIG. 11) stored in the single part detailed design rule storage means 8, the shape input item of the basic shape model of each plate part shown in FIG. Basic shape model with input values (Fig. 14)
Is generated (step S5). Further, a basic model (FIG. 9) of the processing feature to the plate component is extracted from the processing feature storage means 6 (step S6), and based on the single part detailed design rule (rule 103 in FIG. 11), the attribute input item is entered. A basic model (FIG. 15) to which the attribute has been input is generated (step S7). Here, FIG. 10 shows a numerical value input to each item of the first basic model shown in FIG. 15 as a graphic.

In this way, the basic shape model of each plate part shown in FIG. 14 and the basic model of the machining feature shown in FIG. 15 generated by the single part detailed design rule executing means 9 are used as single part detailed shape data. It is stored in the single part detailed shape data storage means 10 (step S8).

The drawing data creation rule executing means 13 stores the single-part detailed shape data storing means 10 shown in FIG.
The drawing data creation rule stored in the drawing data creation rule storage unit 12 is executed on the single part detailed shape data shown in FIG. 15 to generate drawing data, and the generated drawing data is converted to the single part drawing data. Storage means 14
(Step S9).

The drawing output means 15 outputs the drawing data stored in the single part drawing data storage means 14 to the screen and the plotter as needed (step S1).
0).

In the above embodiment, a plate component is described as an example of a single component, but other components such as a square bar component, a round bar component, a bolt and a nut, etc. There are various shapes such as fastener parts, and these individual parts can be designed in the system of the present invention.

[0040]

According to the system for designing a single component constituting an assembled part according to the present invention, when designing an assembled part having various dimensions only in dimensions from an assembled part having a determined basic shape, By simply inputting the dimensions, it is possible to automatically design each single component constituting the assembled component, so that the number of man-hours can be greatly reduced. In addition, since individual parts can be automatically designed in the system according to the rules, there is no input error or the like due to manual work by a human, and the design accuracy is greatly improved.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an electrical configuration of a design system for a single component constituting an assembled component according to the present invention.

FIG. 2 is a flowchart for explaining the operation of the design system for a single component constituting the assembled component of the present invention.

FIG. 3 is a perspective view showing an example of an assembly part.

FIG. 4 is a perspective view showing an example of an assembly part.

FIG. 5 is a table summarizing the input values of the shapes of the assembled parts as a list.

FIG. 6 is a table showing a basic shape model of a plate part which is one of the single parts.

FIG. 7 is a diagram illustrating a basic shape, a reference point, and a reference vector of a plate component, which is one of the single components.

FIG. 8 is a chart showing a basic shape model in which an attribute is input to an attribute input item of a basic shape model of a plate component, which is one of the single components, by executing a single component detailed design rule.

FIG. 9 is a table showing a basic model of a machining feature.

FIG. 10 is a perspective view showing an example of using a processing feature.

FIG. 11 is a table showing a part of a single part detailed design rule.

FIG. 12 is a table summarizing the types of single parts constituting the assembled parts as a list.

FIG. 13 is a chart showing a basic shape model in which an attribute is input to an attribute input item by executing a single part detailed design rule.

FIG. 14 is a table showing a basic shape model in which attributes and numerical values are input to all of the attribute input items and the shape input items by executing the single part detailed design rules.

FIG. 15 is a chart showing a basic model in which an attribute is input to an attribute input item by executing a single part detailed design rule.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Assembly part design information input means 2 Assembly part design information storage means 3 Single part basic shape editing means 4 Single part basic shape storage means 5 Processing feature editing means 6 Processing feature storage means 7 Single part detailed design rule editing means 8 Single part details Design rule storage means 9 Single part detailed design rule execution means 10 Single part detailed shape data storage means 11 Drawing data creation rule editing means 12 Drawing data creation rule storage means 13 Drawing data creation rule execution means 14 Single part part drawing data storage means 15 Drawing Output means

Claims (2)

[Claims] 1. A single part basic shape storage means for storing a basic shape model comprising basic shape items and attribute input items of various single parts constituting an assembled part, and an attribute item of a processing feature for expressing the single part. A machining feature storage means for storing a basic model of the machining feature, and a single part detailed design rule storage means for storing a detailed dimension of the single part and a single part detailed design rule for deriving the addition of the processing feature to the single part. Assembly part design information input means for inputting the shape and attribute of an assembly part; assembly part design information storage means for storing the shape input and attribute input of the assembly input from the assembly part design information input means; Based on the shape input and the attribute input stored in the part design information storage means, the single part basic shape description is stored. Means for extracting a basic shape model of a single part constituting an assembly part, generating a basic shape model in which an attribute is input to an attribute input item thereof, and a basic shape model in which the attribute is input; Based on the single part detailed design rules stored in the rule storage means, a basic shape model in which a shape value is input to the shape input item of the basic shape model is generated, and the basic shape model is converted from the processing feature storage means to a single part. A single part detailed design rule executing means for extracting a basic model of the machined feature of the above and generating a basic model in which an attribute is input to the attribute input item based on the single part detailed design rule; and executing the single part detailed design rule Means for storing the basic shape model generated by the means and the single part detailed shape data comprising the basic model. A part detail shape data storage unit; and a drawing part creating unit part drawing data based on the drawing data creation rule based on the unit part detail shape data stored in the unit part detail shape data storage unit. Design system for single parts that make up the assembled parts. 2. A single part basic shape editing means for adding, changing and deleting basic shape items and attribute input items of various single parts constituting an assembled part stored in said single part basic shape storage means; Machining feature editing means for adding, changing, and deleting the attribute item of the machining feature for expressing the single component stored in the machining feature storage means, and single component stored in the single component detailed design rule storage means 2. An assembly part according to claim 1, further comprising a single part detail design rule editing means for adding, changing and deleting a single part detail design rule for deriving addition of a detailed feature and a machining feature to the single part. A single part component design system.