JPH0829355B2 - Sheet metal development drawing data creation device for box-shaped products - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a sheet metal development view data creating apparatus for box-shaped products.

(Prior Art) In recent years, in bending, a data creating apparatus has emerged which automatically calculates and outputs product development drawing data by inputting a product shape (bending shape).

However, even with such a conventional data creation device for creating a product development drawing, according to the butt pattern of the joint of the flange portion of the box-shaped product, the material data of the cutout shape necessary for bending the product It is not known to automatically create.

(Problems to be solved by the invention) However, when it is desired to obtain product development drawing data by inputting product shape data, it is practical if notch shape material data required to process the product is also created. It is very convenient.

The present invention has been made in view of such conventional demands, and by simply inputting the product development drawing data and designating the butting pattern of the joint of the flange portion of the product, the product development drawing data An object of the present invention is to provide a sheet metal development drawing data creating apparatus capable of obtaining material data of a notch shape necessary for bending the product.

(Means for Solving Problems) The present invention has been made in view of the conventional problems as described above, and is a pattern in which a plurality of types of butt patterns of the joints of the flange portion of the box-shaped product are registered in advance. Registration means,
Input means for inputting the flange width dimensions for the short side and the long side as the product shape data of the box-shaped product, and the number of bends m, n for each of the short side and the long side based on the product shape data. Display means for calculating and displaying the (mn) pattern of the matching pattern group registered in the pattern registration means, and product development based on the product shape data input from the input means. A box based on the development drawing data calculating means for calculating the drawing data, the desired matching pattern selected from the matching pattern group displayed on the display means, and the dimension data of each flange width input from the input means. Shape data calculation means for calculating cutout shape data of the joint of the flange portion of the flat product, the development view data calculation means and the cutout shape data calculation means A data output means for outputting the product development diagram data including data on the dimensions of the dimensions and a predetermined notch of the flange developed view and in that each side by the calculation result between a configuration having.

(Embodiment) FIG. 1 shows a block diagram of an embodiment of the present invention. Input means 1 such as a keyboard, and this input means 1
A microcomputer 3 for calculating the input from
The microcomputer 3 is composed of output means 5 for outputting a calculation result.

The microcomputer 3 has a developed view data calculation means 7, a pattern registration means 9 for storing a flange portion matching pattern, and a cutout shape data calculation means 11.
Is equipped with.

The data output means 5 includes, for example, a display means 1 such as a CRT.
3 and, together with it, an external storage means 15 such as a tape puncher, a magnetic tape, or a floppy disk is used.

FIG. 2 is a flow chart showing the operation of such a sheet metal development view data creating apparatus, and FIGS. 3 to 5 are operation explanatory views.

As the product shape data, as shown in FIG. 3, the flange widths H1, H2, ... H5;
The dimensions of 7, H8, ..., H10 are entered. At the same time, the bending direction of the work is also distinguished by, for example, adding positive and negative signs to each input data. Further, if necessary, the plate thickness and material of the work are also input (step 21).

After inputting the product shape data, the display means 13 of the data output means 5 displays the butt pattern of the seam of the flange portion of the box-shaped product as shown in FIG. In this display of the butt pattern, the number of bends m, n of each of the adjacent short side and long side is calculated from the product shape data (m: number of bends on the short side, n: number of bends on the long side). Then, from the matching pattern group registered in the pattern registration means 9, (m-
n) Extract all patterns. In this example, the (2-2) pattern is shown (step 2
2).

Then, a predetermined matching pattern is selected from the matching pattern group displayed on the display means 13 and input by the input means 1 such as a keyboard (step 23).

By designating the predetermined matching pattern, the product development diagram data calculating means 7 on the microcomputer 3 side calculates the product development diagram data. Further, as is clear from the data flow indicated by the arrow in FIG. 1 together with the calculation of this product development view data, the notch shape data calculation unit 11 inputs the input data from the input means 1 and the input from the pattern registration means. Based on the data, the notch shape data of the joint of the flange portion of the box-shaped product is calculated (steps 24 to 26).

The result calculated by the microcomputer 3 side in this way is displayed on the display means 13 of the output means 5, and is stored in the external storage means.
It is stored in 15 (step 27).

Here, the correspondence between the butt pattern of the seam and the notch shape of the corner of the product development view is as shown in FIG. That is, in the case of the pattern a shown in the upper part of FIG. 5 (a), the cutout shape A is as shown in the lower part. Further, in the case of the pattern b as shown in the upper part of the same figure (b), it becomes the notch shape B shown in the lower part. Pattern c,
Also for d, the cutout shapes C and D shown in the lower stage of FIGS. 5C and 5D are obtained.

Then, assuming that the notch has a plate thickness T of the work and the elongation α of the work when bent at a right angle, the bending pattern c has a size as shown in FIG. 5 (c). For other patterns, this pattern c
Calculation is performed according to.

Therefore, the output of the product development view data in step 27 is the development view as shown in the lower part of each of FIGS. 5 (a) to (d) and the flanges H1 to H5; H7 to H10 on each side thereof.
And the data on the dimensions of the predetermined notch.

After the product development drawing data is obtained in this way, the microcomputer 3 determines the upper mold, the lower mold, and the bending order necessary for bending the product, and together with the product development drawing data, It is also possible to output data regarding. Furthermore, with the bending of the work, drilling,
When processing such as tapping and louvers is also required, this information may be input together with the product shape data, and the position and size may be included in the development drawing when the product development drawing data is output. .

The present invention is not limited to the above embodiments, but various modifications can be made within the scope of the technical idea described in the claims.

(Technology of the Invention) As will be understood from the above description of the embodiments, the present invention is, in short, a pattern registration means (9) for previously registering a plurality of types of butt patterns of the joints of the flange portion of the box-shaped product. ), And input means for inputting the dimensions of the flange width (H1 to H10) for the short side and long side as the product shape data of the box-shaped product, and the short side and the long side based on the product shape data. Display means (13) for calculating and displaying the number (b) of the (mn) patterns from the matching pattern group registered in the pattern registration means (9) by calculating the respective bending times m, n Development drawing data calculation means (7) for calculating product development drawing data based on the product shape data input from the input means, and the display means (1)
Based on the desired butt pattern selected from the butt pattern group displayed in 3) and the dimensional data of each flange width (H1 to H10) input from the input means, the seam of the flange portion of the box-shaped product Of the cutout shape data calculation means (11) for calculating the cutout shape data, and the development view and the respective sides thereof based on the calculation results of the development view data calculation means (7) and the cutout shape data calculation means (11). Data output means (5) for outputting product development view data including data relating to the dimensions of the flange and the dimensions of the predetermined notch.

As is apparent from the above configuration, in the present invention, the development drawing data calculation means 7 calculates the product development drawing data based on the product shape data input from the input means, and the cutout shape data calculation means 11 The notch shape data of the seam of the flange portion of the box-shaped product is calculated based on the product shape data from the input means and the desired pattern selected from the pattern group registered in the pattern registration means 9. .

Then, the data output means 5 includes a development view based on the calculation result of the development view data calculation means 7 and the cutout shape data calculation means 11 and a product including data about the dimensions of the flange and the predetermined cutout dimensions on each side thereof. This is to output development view data.

Therefore, according to the present invention, as shown in FIG.
Flange width for short side and long side of box-shaped product
By inputting the dimensions H1 to H10 and selecting and designating a desired butt pattern from a plurality of butt patterns of the flange portion of the box-shaped product registered in advance in the pattern registration means 9, the flange portion is selected. It is possible to automatically obtain the product development drawing data including the shape data of the notches corresponding to the butt pattern of the seam.

When selecting a desired pattern from the pattern group registered in the pattern registration means 9, not all the matching patterns are displayed on the display means 13, but the short side and the long side based on the product shape data. And (n) patterns are extracted from the matching pattern group registered in the pattern registration means 9 and displayed by the display means 13. The matching pattern to be used is the minimum necessary, and the desired pattern can be selected quickly without taking time, which is effective in improving the efficiency.

[Brief description of drawings]

FIG. 1 is a block diagram of an embodiment of the present invention, FIG. 2 is a flow chart for explaining the operation of the above embodiment, FIG. 3 is a sectional view showing a product shape, and FIG. 4 is a display example of a butt pattern. FIG. 5 is an explanatory diagram showing the correspondence between the butt pattern and its notch shape. 1 ... Input means 3 ... Microcomputer 5 ... Data output means 7 ... Product development data calculation means 9 ... Pattern registration means 11 ... Notch shape data calculation means 13 ... Display means such as CRT 15 ...... External recording means A to D …… Notch shape

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Claims (1)

[Claims] 1. A pattern registration means (9) for previously registering a plurality of types of abutting patterns of a flange portion of a box-shaped product, and short side and long side as product shape data of the box-shaped product. The input means for inputting the dimensions of the flange width (H1 to H10), and the pattern registration means (9) by calculating the number of times of bending m, n for each of the short side and the long side based on the product shape data. A display means (13) for extracting and displaying a (mn) pattern from the matching pattern group registered in, and calculating product development drawing data based on the product shape data input from the input means. A development pattern data calculating means (7), a desired matching pattern selected from the matching pattern group displayed on the display means (13), and the respective flange widths (H1 to H10) input from the input means. Dimension day Notch shape data calculation means (11) for calculating notch shape data of the joint of the flange portion of the box-shaped product based on the data, the developed view data calculation means (7) and the notch shape data calculation means (11). )
Data output means (5) for outputting product development view data including a development view based on the calculation result of and the data about the dimensions of the flange and the dimensions of a predetermined notch on each side thereof,
A sheet metal development diagram data creating device for a box-shaped product, comprising: