TWI409656B - System and method for outspreading an irregular curve of a part of a punching die - Google Patents

Abstract

A system for outspreading an irregular curve of a part of a punching die includes: a drawing file, a data obtaining module, a data analyzing module, a data deleting module, a data changing module, and an irregular curve outspreading module. The data obtaining module, the data analyzing module, and the data deleting module are for searching and deleting linear dimension data that are marked on graphic segments, the graphic segments relate to a curved surface that includes the irregular curve. The data changing module and the irregular curve outspreading module are for outspreading the irregular curve of the curved surface. A related method is also provided.

Description

Stamping die part bending line flattening system and method

The invention relates to a stamping die part bending line flattening system and method.

In the field of stamping die design, when the radius of the bending surface of the stamping die part is greater than or equal to the material thickness of the stamping die part, the bending line after the flattening of the bending surface is correct; when the stamping die part is When the radius data of the bending surface is smaller than the material thickness of the stamping die part, the bending line after the flattening surface is flattened has a certain error, that is, the bending line after the flattening surface is flattened is not correct.

At present, the stamping die designers usually need to adopt the following methods: First, calculate the error value by using a complicated mathematical formula, and then correct the flattened incorrect bending line according to the calculated error value to generate The correct bend line, obviously, is a complicated process. Moreover, when the stamping die part includes a plurality of bending faces whose radius data is smaller than the material thickness data of the stamping die part, the flattening operation of the bending line in this way obviously cannot ensure the work efficiency and correctness.

In view of the above, it is necessary to provide a stamping die part bending line flattening system to improve the efficiency and correctness of the bending line flattening of the stamping die parts.

In addition, it is also necessary to provide a method for flattening the bending line of the stamping die part to improve the efficiency and correctness of the flattening of the bending line of the stamping die part.

A stamping die part bending line flattening system, the system is installed in a computer, the system comprises: a stamping die image file, an information acquisition module, an information analysis module, an information deletion module, an information modification module, and a bending Line flattening module. The stamping die image is used for storing stamping die parts to be flattened and bent. The information acquisition module is configured to select a bending surface of the stamping die part in the stamping die image file, and obtain the radius information of the bending surface according to the graphic property data of the selected bending surface. The information analysis module is configured to analyze whether the obtained radius information of the bending surface is smaller than the material thickness data of the stamping mold part to which the bending surface belongs. The information acquisition module is further configured to: when the radius information of the obtained bending surface is smaller than the material thickness data of the stamping mold part to which the bending surface belongs, according to the graphic attribute data of the graphic part of the stamping die part where the bending surface is located, Find one of the multiple size data of the graphic segment of the stamping die part where the bending surface is located. The information analysis module is further configured to analyze whether the found size data is the radius data of the bending surface, analyze whether the found size data is linear size data, and analyze whether the found linear size data is marked on the bending surface. Whether the plurality of size data of the graphic part of the stamping die part where the bending surface is located is obtained on the graphic section of the stamping die part. The information deletion module is configured to: when the found size data is linear size data and is marked on the graphic part of the stamping die part where the bending surface is located, the linear dimension data to be found is stamped from the bending surface The mold part is deleted on the graphic segment. The information modification module is configured to modify the radius data of the bending surface into a preset approximate zero data when the plurality of size data of the graphic part of the stamping die part where the bending surface is located is completed, the advance The set approximate zero data is determined according to the accuracy of the stamping die. The bending line flattening module is used for flattening the bending line of the bending surface according to the modified radius data.

A method for flattening a bending line of a stamping die part comprises the following steps: (a) selecting a bending surface of a stamping die part in a stamping die image, and obtaining the bending according to the graphic attribute data of the selected bending surface Radius data of the surface; (b) analyzing whether the radius data of the obtained bending surface is smaller than the material thickness data of the stamping die part to which the bending surface belongs; (c) the radius data of the obtained bending surface is smaller than the bending surface When the material thickness information of the stamping die part belongs to, the linear size data marked on the graphic section of the stamping die part where the bending surface is located is found out from the plurality of size data of the graphic part of the stamping die part where the bending surface is located; (d) deleting the found linear size data from the graphic segment of the stamping die part where the bending surface is located; (e) modifying the radius data of the bending surface into a predetermined approximate zero data, the preset The approximate zero data is determined according to the precision of the stamping die; (f) the bending line of the bent surface is flattened according to the modified radius data.

Compared with the prior art, the stamping die part bending line flattening system and method improve the bending line flattening of the stamping die part by removing the linear dimension data from the graphic section of the stamping die part where the bending face is located. Efficiency and correctness.

Referring to Figure 1, there is shown a hardware architecture diagram of a preferred embodiment of a stamping die part bending line flattening system of the present invention. The stamping die part bending line flattening system 10 runs in a computer 1 to provide the user with a stamping die part bending line flattening operation interface.

The stamping die part bending line flattening system 10 includes an information acquiring module 100, an information analyzing module 101, an information deleting module 102, an information modifying module 103, a bending line flattening module 105, and a stamping die image file. 106. The stamping die image 106 contains stamping die parts to be flattened and bent.

The information acquisition module 100 is configured to select a bending surface of the stamping die part in the stamping die image file 106 (refer to the bending surface B shown in FIG. 2), and according to the graphic attribute data of the selected bending surface Get the radius data of the bend surface. Each stamping die part includes processing attribute data and graphic attribute data. The processing properties of each stamping die part include, but are not limited to, machining accuracy data (for example: accuracy of 0.1mm), material thickness data (for example: material thickness is 2.0cm), material information (for example: copper), and / Or process annotation data (eg, outer guide columns). The graphic attribute data of each stamping die part graphic segment includes, but is not limited to, radius data, diameter data, linear size data, dimension data of the marking data, center point coordinate data, and/or linear (solid or dotted) data. . The graphic segments of the stamping die part include, but are not limited to, a bent surface and a flat surface. Wherein, the marking line data of each size data corresponds to one size data, and the marking line data of one size data can be used to determine the graphic part of the stamping die part marked with the corresponding size data. Referring to FIG. 2, the graphic section of the stamping die part includes a plane A, a plane C, and a bending plane B. The graphic attribute data of plane A includes, but is not limited to, linear size data x. The graphic attribute data of plane C includes, but is not limited to, linear size data y. The graphic attribute data of the bending surface B includes, but is not limited to, the radius data R, the center point coordinate data (a, b). In the present embodiment, x, y, R, a, and b are only exemplary parameters, which may take any reasonable value. In other embodiments of the present invention, x, y, R, a, and b may Is a fixed constant value.

The information analysis module 101 is configured to analyze whether the obtained radius information of the bending surface is smaller than the material thickness information of the stamping mold part to which the bending surface belongs.

The information acquisition module 100 is further configured to find out one of the plurality of size data of the graphic part of the stamping die part where the bending surface is located according to the graphic attribute data of the graphic part of the stamping die part where the bending surface is located . Referring to FIG. 2, the dimension data of the stamping die part graphic section where the bending plane B is located includes the linear dimension data x of the plane A, the linear dimension data y of the plane C, and the radius data R of the bending plane B.

The information analysis module 101 is further configured to analyze whether the size data is the radius data of the bending surface by comparing, and analyze whether the size data is linear size data by comparison, and according to The linear line data of the linear size data is analyzed to find out whether the linear size data is marked on the graphic part of the stamping die part where the bending surface is located.

The information deletion module 102 is configured to: when the found linear dimension data is marked on the graphic segment of the stamping die part where the bending surface is located, the linear dimension data found from the stamping die part where the bending surface is located The graphic segments are deleted to ensure that the linear dimension data found is not affected by subsequent bending line flattening operations.

The information analysis module 101 is further configured to analyze whether multiple size data of the graphic segment of the stamping die part where the bending surface is located is obtained.

The information modification module 103 is configured to modify the radius data of the bending surface into a preset data of approximately zero. The pre-set approximate zero data is determined based on the accuracy of the stamping die. In the present embodiment, the predetermined approximate zero data is 0.001 cm. In other embodiments of the present invention, the predetermined approximate zero data may be a specific material smaller than 0.001 cm, for example, 0.0001 cm, 0.0009 cm, or 0.00001 cm, etc.; or may be specific to 0.001 cm. Information such as: 0.009 cm, 0.008 cm, or 0.002 cm.

The bending line flattening module 105 is configured to flatten the bending line of the bending surface according to the modified radius data.

The steps for applying the stamping die part bending line flattening system 10 to improve the efficiency and correctness of the bending line flattening of the stamping die parts are as follows.

First, the information acquisition module 100 selects a bending surface of the stamping die part in the stamping die image file 106, and obtains the radius data of the bending surface according to the graphic property data of the selected bending surface.

Then, when the radius information of the obtained bending surface is smaller than the material thickness information of the stamping die part to which the bending surface belongs, the information acquiring module 100, the information analyzing module 101, and the information deleting module 102 are marked in the folding The linear size data in the plurality of size data on the graphic segment of the stamping die part where the curved surface is located is deleted.

Finally, the information modification module 103 causes the radius data of the bending surface to be modified into a predetermined approximate zero data (for example, 0.001 cm). The bending line flattening module 105 flattens the bending line of the bending surface according to the modified radius data.

Referring to FIG. 3, it is a specific implementation flowchart of a preferred embodiment of a method for flattening a stamping die part of the present invention. The information acquisition module 100 selects a bending surface of the stamping die part in the stamping die image 106 (refer to the bending surface B shown in FIG. 2), and obtains the bending according to the graphic attribute data of the selected bending surface. Radius data of the surface, the graphic attribute data of each graphic part of the stamping die part includes, but is not limited to, radius data, diameter data, linear size data, marking data of size data, center point coordinate data, and/or line shape Line or dotted line data (step S10). The information analysis module 101 analyzes whether the obtained radius information of the bending surface is smaller than the material thickness data of the stamping die part to which the bending surface belongs (step S11). When the radius information of the obtained bending surface is smaller than the material thickness data of the stamping die part to which the bending surface belongs, the information obtaining module 100 finds the graphic attribute data of the graphic part of the stamping die part where the bending surface is located. One of the plurality of size data of the graphic segment of the stamping die part where the bending face is located (step S12). The information analysis module 101 analyzes whether the found size data is the radius data of the bending surface by means of comparison (step S13). When the found size data is not the radius information of the bending surface, the information analysis module 101 analyzes whether the found size data is linear size data by means of comparison (step S15). When the found size data is linear size data, the information analysis module 101 analyzes whether the linear size data found according to the line data of the linear size data is marked on the graphic part of the stamping die part where the bending surface is located (step S16). ). When the found linear size data is marked on the stamping die part graphic segment where the bending surface is located, the information deletion module 102 deletes the found linear size data from the stamping die part graphic segment where the bending surface is located to It is ensured that the found linear size data is not affected in the subsequent bending line flattening operation (step S17). The information analysis module 101 analyzes whether the plurality of size data of the graphic segment of the stamping die part where the bending face is located is obtained (step S18). The information modification module 103 is configured to modify the radius data of the bending surface into a preset approximate zero data when the plurality of size data of the graphic part of the stamping die part is obtained. The set approximate zero data is determined according to the requirements of the stamping die accuracy (step S19). The bending line flattening module 105 flattens the bending line of the bending surface based on the modified radius data (step S20).

In step S11, if the obtained radius information of the bending surface is greater than or equal to the material thickness data of the stamping die part to which the bending surface belongs, the flow ends.

In step S13, if the size data found is the radius data of the bending surface, the process proceeds to step S18.

In step S15, if the found size data is not linear size data, the process proceeds to step S18.

In step S16, if the found linear size data is not marked on the stamping die part graphic segment where the bending surface is located, then the process proceeds to step S18.

In step S18, if there is still dimension data of the stamping die part in which the bending surface is located, the process returns to step S12.

The above is only the preferred embodiment of the present invention, and has been used in a wide range of applications. Any other equivalent changes or modifications which are not departing from the spirit of the present invention should be included in the following claims. Inside.

computer. . . 1

Stamping die parts bending line flattening system. . . 10

Information acquisition module. . . 100

Information analysis module. . . 101

Information removal module. . . 102

Information modification module. . . 103

Bending line flattening module. . . 105

Stamping die image file. . . 106

Select a bending surface of the stamping die part and obtain the radius information of the bending surface. . . S10

Whether the radius data of the bending surface is smaller than the material thickness of the stamping die part. . . S11

Find out one of the multiple dimensions of the graphic section of the stamping die part where the bending face is located. . . S12

Find out if the size data is the radius of the bend surface. . . S13

Find out if the size data is linear size data. . . S15

Whether the size data found is marked on the graphic part of the stamping die part. . . S16

Delete linear size data. . . S17

Whether the plurality of size data is obtained. . . S18

Modify the radius data to a value that is approximately zero. . . S19

The bend line of the bend surface is flattened according to the modified value. . . S20

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a hardware structural view of a preferred embodiment of a stamping die part bending line flattening system of the present invention.

2 is a schematic view of a stamping die part of the present invention.

3 is a flow chart showing a specific implementation of a preferred embodiment of a method for flattening a stamping die part of the present invention.

computer. . . 1

Stamping die parts bending line flattening system. . . 10

Information acquisition module. . . 100

Information analysis module. . . 101

Information removal module. . . 102

Information modification module. . . 103

Bending line flattening module. . . 105

Stamping die image file. . . 106

Claims (7)

A stamping die part bending line flattening system, the system is installed in a computer, the system comprises: a stamping die image file for storing a stamping die part to be flattened and bent line; an information acquisition module for Selecting a bending surface of the stamping die part in the stamping die image, and obtaining the radius data of the bending surface according to the selected graphic property data of the bending surface; the information analysis module is configured to analyze the obtained radius of the bending surface Whether the data is smaller than the material thickness data of the stamping die part to which the bending surface belongs; the information obtaining module is further configured to: when the radius information of the obtained bending surface is smaller than the material thickness information of the stamping die part to which the bending surface belongs, According to the graphic attribute data of the graphic part of the stamping die part where the bending surface is located, one of the plurality of size data of the graphic part of the stamping die part where the bending surface is located is found; the information analysis module is also used for analysis Find out whether the size data is the radius data of the bending surface, analyze whether the found size data is linear size data, and analyze whether the linear size data found is labeled Whether the plurality of size data of the stamping die part graphic segment where the bending surface is located is obtained, and the information deletion module is used for finding the dimension data is linear When the dimension data is marked on the graphic segment of the stamping die part where the bending surface is located, the linear dimension data found is deleted from the graphic segment of the stamping die part where the bending surface is located; the information modification module is used for When the plurality of size data of the graphic part of the stamping die part where the bending surface is located is obtained, the radius data of the bending surface is modified into a preset data of approximately zero, and the predetermined approximate zero data is according to the stamping die. The accuracy requirement is determined; and the bending line flattening module is used for flattening the bending line of the bending surface according to the modified radius data. The stamping die part bending line flattening system according to claim 1, wherein the graphic attribute data of each of the stamping die part graphic segments includes radius data, diameter data, linear size data, and size data. Mark line data, center point coordinates data. The stamping die part bending line flattening system according to claim 2, wherein the dimension data of the dimension data is used to determine a graphic segment of the stamping die part to which the corresponding dimension data is marked. A method for flattening a bending part of a stamping die part, the method comprising the steps of: selecting a bending surface of a stamping die part in a stamping die image file, and obtaining the bending surface according to the graphic attribute data of the selected bending surface Radius data; whether the radius data of the obtained bending surface is smaller than the material thickness data of the stamping die part to which the bending surface belongs; the radius data of the obtained bending surface is smaller than the material of the stamping die part to which the bending surface belongs In the case of thick data, the linear size data on the graphic segment of the stamping die part where the bending surface is located is found out from the plurality of size data of the graphic part of the stamping die part where the bending surface is located, and the folding is deleted; The radius data of the curved surface is modified into a preset data of approximately zero, the predetermined approximate zero data is determined according to the precision of the stamping die; and the bending line of the bending surface according to the modified radius data Flatten. The method for flattening a stamping die part according to claim 4, wherein the linear dimension data marked on the graphic segment of the stamping die part where the bending face is located is deleted and deleted. The steps include: a. finding a size data of the plurality of size data of the graphic part of the stamping die part where the bending surface is located according to the graphic attribute data of the graphic part of the stamping die part where the bending surface is located; b. Whether the size data is the radius data of the bending surface; b1. When the found size data is the radius information of the bending surface, transfer to the following step b222; b2. When calculating the radius data of the curved surface, analyze whether the size data found is linear size data; b21. When the found size data is not linear size data, transfer to the following step b222; b22. When it is linear size data, whether the linear size data found by the analysis is marked on the graphic part of the stamping die part where the bending surface is located; b220. The size data found in the dimension is not marked on the bending surface. When stamping the mold part of the mold part, the process proceeds to the following step b222; b221. When the found linear dimension data is marked on the graphic part of the stamping die part where the bending surface is located, the linear size data will be found from the Deleting the graphic part of the stamping die part where the bending surface is located; b222. analyzing whether the plurality of size data of the graphic part of the stamping die part where the bending surface is located is obtained; and b2221. drawing of the stamping die part where the bending surface is located When there are still size data that has not been acquired, the process returns to step a. The method for flattening a stamping die part according to claim 5, wherein the graphic attribute data of each of the stamping die part graphic segments includes radius data, diameter data, linear size data, and size data. Mark line data, center point coordinates data. The method for flattening a stamping die part according to claim 6, wherein the marking data of the dimension data is used to determine a graphic segment of the stamping die part to which the corresponding dimension data is marked.