JPH08318317A - Method and device for displaying die shape in bending machine - Google Patents

Abstract

PURPOSE: To perform an interference check by displaying a composite mold being used by a press break with ACT on a display picture. CONSTITUTION: After registering previously the die coordinates of a single die, which express plural dies respectively, in a first memory 7, the die coordinates of a composite mold are found in a coordinates composite means 1B by combination information on the combination of dies, which is outputted by a die combination command means 1A which attained shape information from a die shape input means 4A and the contents of the first memory 7. After registering the die coordinates of this composite mold in a second memory 8, they are displayed by a picture display device 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and apparatus for displaying a die shape in a bending machine such as a press brake for bending a plate material.

[0002]

2. Description of the Related Art Recently, ATC (a
An automatic tool changer device has come to be applied, which enables automatic tool switching for joining a die used in the next step to a tip of a die used in the current step. For example, the first and second punches and the first and second dies are provided, and the plate material is bent using the first punch and the first die in the current step, and the first step is performed in the next step. The plate material is bent using a composite punch in which the second punch is bonded to the punch and a composite die in which the second die is bonded to the first die.

[0003]

However, in the case of the conventional press brake, when the interference check between the plate material and the punch is performed on the NC device that numerically controls the movement of the machine, only the first punch in use is used. However, when a composite punch in which the first punch and the second punch are joined in the next step can be displayed on the display screen of the NC device,
Since the composite punch cannot be displayed on the display screen, the operator cannot check the interference between the punch and the plate material in the next process. Further, since the composite punch and the composite die cannot be displayed on the display screen, the interference check cannot be performed.

The present invention has been made by paying attention to the above-mentioned circumstances, and an object thereof is to join a plurality of molds which can be combined for each group so as to be combined with each other to form a composite mold. It is an object of the present invention to provide a method and an apparatus for displaying a die shape in a bending machine which, when used, displays the composite die on a display screen so that interference check can be performed.

[0005]

In order to achieve the above object, a method for displaying a mold shape according to the invention of claim 1 is provided with a plurality of molds which can be combined for each group. A bending machine that can be used as one mold or a combined mold that is combined with each other, and information processing means that can display information after collecting information about the mold in the bending machine and registering the collected information about the mold. , The information processing means registers the die coordinates represented by the composite die for each figure, and appropriately displays the die coordinates represented by the composite die for each registered figure. It is characterized by

According to a second aspect of the invention, in the invention according to the first aspect, the information processing means registers the die coordinates of the single die together with the die coordinates represented by the composite die, and all the registered die coordinates are registered. It is characterized in that the die coordinates are appropriately displayed as an image.

According to a third aspect of the present invention, there is provided a mold-shaped display device comprising a plurality of molds which can be combined in groups.
In a device applied to a bending machine that can use a plurality of molds as a single mold or a combined mold that is combined with each other, input information about a mold shape including shape information corresponding to the combined mold. The present invention relates to a combination of a mold shape inputting unit that can be operated and a mold that can obtain the composite mold based on the shape information when shape information corresponding to the composite mold is output from the mold shape inputting unit. Mold combination command means for outputting combination information, and first mold figure registration means for registering in advance the mold coordinates of a single mold representing each of a plurality of molds that can be combined for each group. , The combination information from the mold combination command means and the first
Coordinate synthesizing means for obtaining the mold coordinates of the composite mold corresponding to the case where the plurality of molds are appropriately combined with each other based on the mold coordinates of the single mold registered in the mold figure registration means of , A second mold figure registration means for registering the mold coordinates of the composite mold obtained by the coordinate composition means, and the coordinates of the composite mold registered in the second mold figure registration means are appropriately displayed. And an image display means.

According to a fourth aspect of the invention, in the invention according to the third aspect, the image display means includes the die coordinates of the composite die registered in the second die graphic registration means together with the first die. It is characterized in that the die coordinates of a single die in which a figure is registered are appropriately displayed as an image.

According to a fifth aspect of the invention, in the invention according to the third aspect, the mold coordinates of the composite mold registered in the second mold coordinate registration means are displayed simultaneously while being compared for each group. Characterize.

According to a sixth aspect of the invention, in the invention according to the third aspect, the plurality of single molds are made to correspond to the mold coordinates of the composite mold registered in the second mold figure registration means. It is characterized by having a mold combining means for obtaining a composite mold that is appropriately combined with each other.

According to a seventh aspect of the present invention, in the invention according to the third aspect, the die coordinates of the composite die registered in the second die figure registration means and the plate material shape given from the plate material shape inputting means. It is characterized by having an interference degree checking means for checking the degree of interference between the composite mold and the plate material based on the coordinates of.

[0012]

In the method for displaying the shape of the mold according to the present invention, a plurality of molds that can be combined for each group are provided.
For example, a press brake with an ATC device is applied to a bending machine that can use the plurality of molds as a single mold or a combined mold that is combined with each other, and information about the molds in the bending machine is collected. A general-purpose NC device, for example, is applied to the information processing means that can be displayed after registering the collected information on the molds, and a system is constructed. It is registered separately, and the die coordinates represented by the composite die for each registered figure are appropriately displayed as an image.

According to a second aspect of the present invention, in the system of the first aspect, the information processing means registers the die coordinates of a single die together with the die coordinates represented by the composite die, and all the registered die. Images of coordinates are displayed appropriately.

According to a third aspect of the present invention, there is provided a die-shaped display device,
The present invention is applied to a bending machine that includes a plurality of molds that can be combined for each group and that can be used as a single mold or a composite mold that is combined with each other. Then, when the shape information corresponding to the composite mold is output from the mold shape input means, the combination information about the combination of the molds is obtained from the mold combination command means based on the shape information. While outputting, the die coordinates of a single die representing each of a plurality of dies that can be combined for each group are registered in advance in the first die figure registration means.

Based on the combination information from the mold combination commanding means and the mold coordinates of the single mold registered in the first mold figure registering means, a plurality of dies are combined in the coordinate synthesizing means. The die coordinates of the composite die corresponding to the case where they are appropriately combined are obtained. The mold coordinates of the composite mold thus obtained by the coordinate synthesizing means are registered in the second mold figure registration means,
The image is appropriately displayed by the image display means.

According to a fourth aspect of the invention, in the apparatus of the third aspect of the invention, it is registered in the first mold figure registration means together with the mold coordinates of the composite mold registered in the second mold figure registration means. The image display means appropriately displays the mold coordinates of the single mold as an image.

According to a fifth aspect of the invention, in the apparatus of the third aspect of the invention, it is possible to compare the mold coordinates of the composite molds registered in the second mold figure registration means by group and display them simultaneously. Display means is used.

In a sixth aspect of the present invention, the plurality of single dies are mutually associated with each other in correspondence with the die coordinates of the composite die registered in the second die figure registration means in the apparatus of the third aspect. An appropriately combined composite mold is obtained by a mold combining means.

According to a seventh aspect of the invention, the die coordinates of the composite die registered in the second die figure registration means in the device of the third aspect and the plate material shape given from the plate material shape inputting means. Based on the coordinates, the interference degree checking means checks the degree of interference between the composite mold and the plate material.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram showing the configuration of an embodiment of a die-shaped display device in a bending machine to which the present invention is applied.

The mold-shaped display device of this embodiment includes a CPU 1 as a control center of the entire system, and the machine controller 2 controls the ATC under control of the CPU 1.
The attached press brake 3 is operated. In addition, the operation panel 4
An image display device 5, a CRT 6, a first memory 7,
And a second memory 8.

Then, the CPU 1 has a mold combination commanding means 1A, a coordinate synthesizing means 1B, and an interference degree checking means 1C.
The functional operation as is performed. The machine controller 2
The functional operation as the mold combination means 2A is performed. The operation panel 4 functions as a mold shape input means 4A and a plate material shape input means 4B. The first memory 7 is provided as a first mold figure registration means, and the second memory is provided as a second mold figure registration means.

In the CPU 1, the mold combination command means 1
When the shape information corresponding to the composite mold is output from the mold shape input means 4A of the operation panel 4, A outputs the combination information regarding the combination of the molds from which the composite mold is obtained based on this shape information. . The coordinate synthesizing means 1B corresponds to a case where a plurality of molds are appropriately combined with each other based on the combination information from the mold combination commanding means 1A and the mold coordinates of the single mold registered in the first memory 7. Obtain the mold coordinates of the composite mold. The interference degree checking means 1C includes the die coordinates of the composite die registered in the second memory 8 and the plate shape inputting means 4 of the operation panel 4.
Based on the coordinates of the plate shape given from B, the degree of interference between the composite mold and the plate is checked.

Here, the first memory 7 is, for example, a punch,
The die coordinates of a single die that represents each of a plurality of dies that can be combined in groups such as dies are registered in advance, and the registration is performed by operating the die shape input means 4A of the operation panel 4. Can be done. The second memory 8 registers the mold coordinates of the composite mold obtained by the coordinate synthesizing means 1B.

In response to the data exchange between the CPU 1 and the first and second memories 7 and 8, the image display device 5 displays the mold coordinates registered in the second memory 8 on the CRT 6 as well.
It can be displayed appropriately above. For example, the single die in the ATC press brake 3 is punches P1, P2, P3 as shown in FIG.
After being independently registered in the first memory 7, the punch P1 and the punch P2 are input from the die shape input means 4A.
It is assumed that the shape information corresponding to the composite mold in which and are combined is issued. At this time, the die combination commanding means 1A outputs the combination information regarding the combination of the dies that can obtain the composite dies of the punches P1 and P2 based on the shape information. Coordinates of the punch tip, that is, the combined figure T1 of the punches P1 and P2.
(See FIG. 2) is executed, and this composite figure (mold coordinate) T1 is registered in the second memory 8. Therefore, the second
The composite figure T1 registered in the memory 8 can be appropriately displayed on the CRT 6 by the image display device 5. Further, the image display device 5 can appropriately display the mold coordinates of the composite mold registered in the second memory 8 and the mold coordinates of the single mold registered in the first memory 7. For example, under the condition that the punches P1, P2 and P3 in FIG. 2 can be used as a single die or a composite die in which they are combined with each other, as shown in FIG. 3, the combination of the punches P1 and P2 is the punch TP1, and only the punch P2 is the punch TP2. , The combination of the punches P2, P3 can be registered in the second memory 8 as the punch TP3, and the punches TP1, TP2, TP3 of FIG. 3 can be appropriately displayed on the CRT 6. Further, the image display device 5 can compare the composite molds registered in the memory 8 for each group and display them simultaneously on the CRT 6. For example, as shown in FIG. 4, all combinations of punches P that can be combined and combinations of dies D for each combination can be displayed on the CRT 6.

As described above, in this embodiment, the composite mold is particularly C
Although it can be basically displayed on the RT 6, the mold coordinates of the composite mold registered in the second memory 8 and
The degree of interference between the composite mold and the sheet material is checked by the degree-of-interference checking means 1C together with the coordinates of the sheet material shape given from the sheet material shape input means 4B of the operation panel 4, and the result of the check is displayed as a graphic or numerical information as an image. It can be displayed on the CRT 6 by the display device 5.

It goes without saying that the first memory 7 and the second memory 8 may be a common memory. Also,
Even in a system configuration in which a general-purpose NC device is combined with a press brake with an ATC, the die coordinates represented by the composite die are registered in a memory for each figure, and the die coordinates of the composite die are appropriately displayed. Needless to say, the present invention is constructed.

[0028]

As described above, according to the present invention, since the die coordinates of the composite die in which a plurality of dies are combined with each other are registered, the coordinates are displayed graphically. Therefore, the composite die and the plate material (work) It is possible to accurately and easily check the interference with and the status of the different types of composite molds.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of a mold shape display device in a bending machine to which the present invention is applied.

FIG. 2 is a diagram for explaining a display example of a composite punch when the punches are combined and used as a composite punch.

FIG. 3 is a diagram for explaining an example of punch registration when both a composite punch and a single punch are registered and displayed in a memory.

FIG. 4 is a diagram for explaining an example in which a composite punch and a composite die are displayed simultaneously in association with each other.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 CPU 1A Mold combination command means 1B Coordinate synthesis means 1C Interference degree check means 2 Machine controller 2A Mold combination means 3 ACT press brake 4 Operation panel 4A Mold shape input means 4B Plate material shape input means 5 Image display device 6 CRT 7 First Memory (First Mold Figure Registering Means) 8 Second Memory (Second Mold Figure Registering Means)

Claims (7)

[Claims] 1. A bending machine comprising a plurality of dies that can be combined for each group and using the plurality of dies as a single die or a composite die in which the dies are combined with each other; Collect information about the mold,
A system having an information processing unit capable of displaying the collected mold information after registration is constructed, wherein the information processing unit registers the mold coordinates represented by the composite mold for each figure, and for each registered figure. A method for displaying a die shape in a bending machine, wherein the die coordinates represented by the composite die for each of them are appropriately displayed as an image. 2. The information processing means registers mold coordinates of the single mold together with mold coordinates represented by the composite mold,
The method for displaying a mold shape in a bending machine according to claim 1, wherein all the registered mold coordinates are appropriately displayed as an image. 3. An apparatus applied to a bending machine, comprising a plurality of dies that can be combined for each group, wherein the plurality of dies can be used as a single die or a composite die that is combined with each other. When a mold shape input unit that can perform an operation of inputting information about a mold shape including shape information corresponding to a composite mold, and shape information corresponding to the composite mold is output from the mold shape input unit, Based on the shape information, a mold combination command means for outputting combination information about a combination of molds for obtaining the composite mold, and a single mold showing each of a plurality of molds that can be combined for each group. First registration of mold coordinates
Mold die registration means, and the plurality of dies based on the combination information from the die combination command means and the die coordinates of the single die registered in the first die graphic registration means. Coordinate synthesizing means for obtaining the die coordinates of the composite die corresponding to the case where the dies are appropriately combined with each other, and second die figure registration means for registering the die coordinates of the composite die obtained by the coordinate synthesizing means. And a die shape display device for displaying the die coordinates of the composite die registered in the second die figure registration means, as appropriate, in a bending machine. 4. The image display unit is a single mold registered in the first mold figure registration unit together with the mold coordinates of the composite mold registered in the second mold figure registration unit. The die shape display device in a bending machine according to claim 3, wherein die die coordinates are appropriately displayed as an image. 5. The image display means displays the die coordinates of the composite die registered in the second die coordinate registration means at the same time by comparing the die coordinates for each group. A display device for a mold shape in the bending machine described. 6. A mold combination for obtaining a composite mold in which the plurality of single molds are appropriately combined with each other in correspondence with the mold coordinates of the composite mold registered in the second mold figure registration means. The mold shape display device in the bending machine according to claim 3, further comprising means. 7. The composite mold and the plate material based on the mold coordinates of the composite mold registered in the second mold figure registration means and the plate material shape coordinates provided from the plate material shape inputting means. 4. A mold shape display device in a bending machine according to claim 3, further comprising an interference degree check means for checking the degree of interference with.