JPH0431149B2 - - Google Patents

Description

[Detailed Description of the Invention] [Table of Contents] Overview Industrial Application Fields Conventional Technology Problems to be Solved by the Invention Means for Solving the Problems Embodiment Figure 1...Principle block diagram of the present invention , FIG. 2...Block diagram of an embodiment of the present invention, FIGS. 3 to 20...Explanatory diagram, FIG. 21...Segment data structure, FIGS. 22 to 25...Explanatory diagram, FIG. 26... Structure of grouping unit information, Figure 27...Explanatory diagram, Effects of the invention [Summary] Based on the product diagram of the product manufactured by the progressive mold to be designed, the processing of units at the stage of the mold is explained. An information processing system into which machining information is input and which designs at least dies and punches has a basic design department, a detailed design department, and a production design department, and the basic design department stores profile data regarding the machining of the units. By configuring the detailed design department to perform piece and block design for the die and the punch in which the profile data is grouped, the progressive die can be designed based on the given information. A method for performing a design is disclosed.

[Industrial application field]

The present invention provides a progressive mold design information processing system,
Particularly related to a progressive mold design information processing system that performs a detailed design of at least a die and a punch of a progressive mold based on a product drawing of a product to be manufactured by the progressive mold to be designed. It is.

[Conventional technology]

In conventional information processing systems related to progressive mold design, (i) designers use graphics and
The CAD method involves drafting on the screen while interacting with the display; and (ii) the systematic standardization of types, structures, units, parts, etc., and using this standard as a data file, The person selects the type of unit, etc., specifies the location on the X-Y coordinates, and calculates the dimensions in the Z direction, etc.
CAD method, etc. are known.

[Problem that the invention seeks to solve]

However, when using the above-mentioned conventional system, it is difficult to match each other between parts.
Design errors are likely to occur. Particularly when designing a progressive mold, it is important to match each component.

In place of the conventional system described above, the present invention inputs the geometry related to the processing of units on the mold stage based on the product drawing, and operates the strip layout while interacting on a graphic display, for example. In subsequent processing, the purpose is to perform grouping so that pieces and blocks can be designed at least for dies and punches.

[Means for solving problems]

FIG. 1 shows a block diagram of the principle of the present invention. Reference numeral 1 in the figure is a conceptual design department, which checks machinability etc. based on a given product drawing.

2 is the basic design department, where processing information including the geometrical shape for unit processing at the mold stage is input based on the product drawing.
Segment data 8-1, 8-2 for each part,
8-3,... and 9-1, 9-2, 9-3,... are held in a chain structure, a strip layout design is performed based on the profile data, and the layout drawing 5 is output, and the necessary In response to the,
Make changes and corrections interactively.

3 is a detailed design department which groups one or more machining geometric shapes to be machined in a common machining stage based on the layout situation shown in the layout drawing 5 above. , ID part 1 regarding grouping unit
Grouping unit information consisting of 0 and data section 11 is generated. In the grouping unit information,
Profile data 8, 9, etc. regarding the individual machining geometrical shapes are pointed to by the core pointer IPi.

The detailed design section 3 further has a die assembly diagram design function 12 for at least designing pieces and blocks for the die, based on the grouping unit information, and a punch assembly diagram for designing pieces and blocks for the punch. It has a design function 13, and further has a stripper assembly drawing design function 14 for designing blocks and blocks related to strippers to be used as needed. Each of these assembly drawings is output in a form such as the plate assembly drawing 6.

4 is a production design department, which generates parts drawings and detailed drawings for each part of the die, punch, and stripper that are being designed as described above, and outputs them as parts drawings 7.

[Effect]

When segment data including contour (arc, straight line, etc.) information and coordinate values of a machining geometric shape is input to the basic design section 2, the segment data has pointers PN1 and PN2.
They are chained together and managed based on the core pointer IPi for each particular machining geometry.

The layout design function in the basic design department 2 performs a layout design based on a given product drawing, determining which parts are to be machined in which step among multiple processing steps, and the resulting layout is It is output as drawing 5 or the like. The designer should refer to the relevant layout drawing 5.
etc., and make changes and corrections interactively, for example, on a graphic display.

In the detailed design section 3, based on the result of the layout design, processing geometrical shapes to be punched in one die, for example, are grouped and grouped unit information 10, 11 is created. Collect information about one or more machining geometries. Then, in the detailed design section 3, based on the grouping unit information 10, 11, the design of dies and punches corresponding to each of the above-mentioned processing steps is started. Furthermore, if necessary, the design of the stripper will be entered into.

The production design department 4 creates and outputs each part diagram and detailed diagram, or creates data for NC processing.

〔Example〕

FIGS. 2A and 2B, taken together to form a single figure, show a block diagram of one embodiment of the present invention. Numbers 1 to 4 and 12 to 1 in the figure
4 correspond to FIG. 1, respectively.

The product drawing in the conceptual design department 1 is as illustrated in FIG.
FIG. 3 is a diagram showing an IC lead frame.

The explanation will be continued below, taking as an example a mold design for manufacturing a product using a block division type progressive mold. In addition, in the drawings below, the blacked out areas in Figures 3, 19, and 20 originally contain numerical values, but are not directly related to the content of the present invention. , and is the result of coloring out the corresponding value.

When inputting product shapes in the basic design department 2, shapes such as IC leads and frames 15 (machining geometry shapes according to the present invention) are input as shown in FIG. The processing geometry represented by the IC lead frame 15 is composed of a plurality of line segments (each line segment is called a segment), and one
The coordinate value of the end point of one line segment matches the coordinate value of the start point of the next line segment. One piece of segment data is created corresponding to this one line segment, and the segment data has the start point coordinate value and end point coordinate value of the line segment, as well as pointers to the segment data located immediately before and after. . If the line segment is an arc, it also contains the coordinate values of the center of the arc. A collection of segment data chained in this way is called profile data. In reality, for objects that have a symmetrical shape, for example, 1/4 of the shape 17 is defined as shown in Figure 5, and the remaining 3/4 can be interactively copied, flipped, rotated, and moved. etc., the product shape is input as shown in FIG. As a result, information such as profile data 8 and 9 shown in FIG. 1 is accumulated. This will be described later (FIGS. 21 to 27).

In the layout design in the basic design department 2, based on the figure 18 obtained as shown in FIG. 6, a plurality of processing steps (processing The layout of the cutting blade shape on the stage is created to determine which location (partial part) to punch out on the stage. 19, 20, 21, . . . in the figure represent the cutting edge shapes on each stage. FIG. 8 shows a completed layout design diagram 5-1 showing the cutting edge shapes distributed to each stage as described above. Further, FIG. 9 shows a strip layout drawing 5-2 showing a state in which punching is performed according to the shape of the cutting blade on each of the stages.

In the die plate split piece design in the detailed design department 3, as shown in Fig. 10, the cutting edge shape on the same stage (which can be considered to be the same as the machining geometry)
22, 23, 24, 25...
, and specify a dividing line 26 to make each piece into a split piece. By these, grouping unit information 10, 11 shown in FIG. 1 is formed, and data necessary for processing each piece 22 etc. is compiled on this information. When the split pieces on the die plate are designed as shown in FIG. 10, the spacers 27 to be interposed between the split pieces 22, etc. are also designed as shown in FIG. 11.

In the die plate block design in the detailed design department 3, as shown in FIG.
The block 28 is designed to enclose the die assembly 29, and the die assembly 29 is completed.

When designing the stripper plate in the detailed design department 3, the stripper plate split piece 30 is automatically designed based on the information in the die assembly drawing 29 as shown in FIG.
Where to place 1 (A...Top, B...Bottom, R
...right, L...left), etc. is determined.

Stripper plate in detailed design department 3
When designing the block, as shown in Figure 14,
Create a stripper plate block 32 so as to wrap each stripper plate split piece 30, input a guide line 33, and assemble the stripper assembly 3.
4 is completed.

In the punch plate piece design in the detailed design department 3, the shape of each cutting edge on each processing stage is specified, and one punch piece 35 is designed as shown in FIG. Also at this time, stopper 31
The location of etc. is also input and instructed. Furthermore, the 16th
A punch spacer 36 is also designed as shown in the figure.

In designing the punch plate block in the detailed design department 3, the dividing line 37 for dividing the block is input based on the arrangement of the punch pieces 35, and the punch block 38 is designed as shown in FIG.
is obtained, and the punch assembly diagram 39 is completed.

When outputting drawings in the production design department 4, a design drawing 40 and detailed drawings 41 for each split piece part are output as shown in FIG. Further, as shown in FIG. 19, a design drawing 42 of the die block part is output. Additionally, for example, a second
It is also possible to output each component diagram 43 in the form shown in Figure 0.

When creating NC data in the production design department 4, although not shown, data necessary for performing NC processing is automatically created based on the shape of the cutting edge and the like.

Each segment data 8-1, 8 shown in Figure 1
-2, . . . each have a data format as shown in FIG. The name of the segment is entered in "NAME" at illustrated address #1. “CDE” at address #2 contains the second
The type of outline is described using a code as shown in Figure 2, and in the case of a segment related to a dimension line, a code "1" is entered. That is, for example, if the segment is an arc, code "4" is written at address #2. "DR" at address #3 contains the 23rd address when the segment is an arc.
The direction of the arc is described using a code as shown in the figure. Also, "CR" in address #3 is
A code regarding the color of the pen is entered as necessary.

In "KL" at address #4, the type of line representing the segment is described with a code as shown in FIG. "PN1" and "PN2" at address #5 are pointers between segment data as shown in Figure 1, and the value "0" is written as the pointer "PN1" for the first segment, and the value "0" is written as the pointer "PN1" for the first segment. A value "-1" is written as a pointer "PN2" for the segment.

At addresses #6 to #14, the 25th
As shown in the figure, the information shown in Figure 25 is described depending on whether each segment is a point, a straight line, a character, or processing information. For example, if the segment is an arc, the radius R is written in address #6, the coordinates of the center point of the arc are written in addresses #9 and #10, and the coordinates of the center point of the arc are written in addresses #11 and #12. The coordinates of the starting point are written, and the coordinates of the ending point of the arc are written at addresses #13 and #14.

Needless to say, the segment data 8-1, 8-2, having the format as shown in FIG.
... are chained together to give information about one part.

26A and 26B show the format of the grouping unit information. Information 11 indicates the data section and shows the illustrated profile data (PROFILE
DATA), it can be seen that in the illustrated case three pieces of profile data are pointed to. That is, it is indicated that the three parts pointed to by pointers IP1, IP2, and IP3 are grouped into one.

Clearance data (CLEARANCE)
DATA) gives the clearance when a cutting edge shape is given, for example, and describes data regarding this clearance. CRACK POINTERS is, for example, the 10th
Position data of the dividing line 26 on the dividing piece 22 shown in the figure is described. Furthermore, in the stopper position (STOPPER POSITION), the position data of the stopper 31 described in connection with FIG. 13, for example, is described.

Also, material data (MATERIAL
DATA), pieces are grouped together to form one piece, and in this case, the lower left coordinate values PX, PY of the piece, and the width A, length B, and height H of the piece are written. .

The information 10 shown in FIG. 26 corresponds to the information 11.
Indicates the ID part, and indicates that TYPE1 "100" is the ID part related to the above profile data,
I ₁ and J ₁ indicate how many words of profile data exist in the information 11, with each word consisting of 4 bytes. In addition, TYPE 2 "101" indicates that it is the ID part related to the above clearance data,
I ₂ and J ₂ indicate how many words of clearance data exist in the information 11. below,
The same applies to TYPE 3 "102" and the like.

The grouping unit information shown in FIG. 26 is related to the die, but if the die performs not only punching but also "bending", for example, " Bending data such as "106" will be added to the information 11 shown in FIG. For example, ID
The bending data in section 106 specifies the bending angle and bending radius.

〔Effect of the invention〕

As explained above, according to the present invention, the design processing after the strip layout is sped up, so to speak, and it becomes possible to design a progressive mold with excellent consistency between each component.

[Brief explanation of drawings]

Figure 1 is a block diagram of the principle of the present invention, Figure 2A,
B is a block diagram of one embodiment of the present invention, FIGS. 3 to 20 are explanatory diagrams for explaining the block diagram shown in FIG. 2, respectively, FIG. 21 is a format of segment data, and FIGS. 22 to 25 The figures are explanatory diagrams for explaining segment data, and
Figure 6 shows the format of grouping unit information, the second
FIG. 7 shows an explanatory diagram for explaining grouping unit information. In the figure, 1 is the conceptual design department, 2 is the basic design department, 3 is the detailed design department, 4 is the production design department, 8-1, 8-2,
...and 9-1, 9-2, ... are segment data, respectively, 8, 9 are profile data, 10, 1, respectively.
1 represents grouping unit information.

Claims (1)

[Claims] 1. Processing information including information corresponding to the processing geometry of the unit at the mold stage is input based on a product diagram of a product to be manufactured by a progressive mold to be designed, and at least , in an information processing system that designs split pieces and blocks for dies and pieces and blocks for punches, a basic design unit 2 receives the processing information, performs layout design, and outputs layout drawings.
and a detailed design department 3, which performs at least the split piece and block design for the die and the piece and block design for the punch based on the layout designed in the basic design department 2; and in the detailed design department 3. Based on the obtained die assembly diagram and punch assembly diagram, the basic design division 2 is equipped with a production design department 4 that outputs a parts drawing 7 including a part diagram of each part of the part and deals with production design; Based on the processed processing information, segment data 8-1, 8-2, 8-3, ..., 9-1, 9-2, including contour information and coordinate values for the segments of each part of the processed geometry are generated.
9-3,..., and generates profile data 8, 9 in which the segment data is chained and held;
And, the detailed design section 3 has grouping unit information 10 that has a pointer for grouping the plurality of profile data 8, 9 in a warikoma or a block and also holds information about the grouped unit. , 11, and based on the grouping unit information 10, 11,
A progressive die design information processing system, characterized in that it is configured to design split pieces and blocks for the die, and pieces and blocks for the punch.