JPH08281336A - Method and device for bending direction confirmation in sheet plastic working - Google Patents

Abstract

PURPOSE: To execute bending direction confirmation irrespective of original purpose by preparing the information for bending direction instruction in bending with data processing and executing confirmation for an object to be bent based on the information. CONSTITUTION: A setting means 1A of an automatic programming device 1 sets the graphic corresponding to setting operation to obtain sheet working graphic with a data base 3B for sheet working graphic setting. A working information preparing means 1B prepares the data of bending direction instruction for a bending device and the data to operate a carriage 4 based on the data of setting means 1A and stores these in a data base. These data are transferred to NC device 2 as part of NC data at bending. NC device 2 processes NC data to coded one with coding means 2A and outputs it to carriage 4 and marking device 5. Combination of the carriage 4 and marking device 5 is operated as a confirming means 6, a bending machine 7 executes bending of sheet after confirmation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bending direction recognizing method and apparatus in plate material plastic working applied to a processing apparatus for performing bending direction recognizing processing in a pre-stage of bending processing on a member to be processed.

[0002]

2. Description of the Related Art Conventionally, in a processing apparatus for bending a processing target member such as a press brake, which performs a bending process for a processing target member, the bending direction of the processing target member at the time of the bending process is set to which direction (normal・ Reverse) The decision is made by the operator based on the drawings currently given.

On the other hand, in the previous stage of the bending process, NC
In view of performing punching on a plate material to be processed by a turret punch press with (numerical control) and performing laser processing on a member to be processed by a laser device, a member to be processed using the NC turret punch press and laser device. It was considered to perform bending recognition processing for the.

[0004]

However, if the recognition processing is performed using the NCT and the laser device in the pre-stage of the bending processing, the original processing (drilling, cutting) is affected.

That is, the NC turret punch press has an essential role of punching, and the laser device has an essential role of cutting. If a recognition (marking) function (role) is added to these roles, it is disadvantageous from the viewpoint of productivity. There is no reason why the NC turret punch press cannot be recognized by using, for example, a center punch ("reverse" can be solved as a die problem in "forward / reverse" discrimination). However, in this case, the same machining as drilling is performed by using the center punch in order to purposely "recognize", which causes a problem that the total machining time extremely increases.

The present invention has been made by paying attention to the above-mentioned circumstances, and an object thereof is to realize the recognition machining in the pre-stage of the bending process without affecting the original machining in the pre-stage. It is an object of the present invention to provide a method and apparatus for bending direction recognition processing in plate plastic working that can be performed.

[0007]

In order to achieve the above-mentioned object, the invention of claim 1 is a plate material plastic working method applied to a working device for carrying out a bending direction recognizing process on a plate material to be worked, When a setting operation for obtaining the plate material processing figure is performed, the platen processing figure corresponding to the setting operation is stored. When a setting operation to be obtained is performed, a plate material processing figure corresponding to the setting operation is set based on various information in the storage means, and a bending direction with respect to the processing apparatus is set based on the set information about the plate material processing figure. When the instruction information is created and the bending process is performed, the bending direction recognition process is performed on the plate material to be processed based on the created bending direction instruction information.

According to a second aspect of the invention, in the first aspect of the invention, the processing device is controlled by a control device.

A third aspect of the present invention is characterized in that, in the first aspect of the invention, the processing device is included in a system which is controlled by a control device and program-controls the control device.

In the bending direction recognition processing apparatus for plate material plastic working according to a fourth aspect of the present invention, a storage means for preliminarily storing various information necessary for setting a plate material processing figure when bending a plate material to be processed. And a setting means for setting a plate material processing figure corresponding to the setting operation based on various information in the storage means when a setting operation for obtaining the plate material processing figure is performed, and information on the set plate material processing figure Machining information creating means for creating machining information for instructing a bending direction for a machining device by using the above, encoding means for processing the created machining information for instructing bending direction and converting it into a machine operation command code, and the machine. Recognition processing means for performing recognition processing in the bending direction on the plate material to be processed based on the operation command code.

According to a fifth aspect of the present invention, in the fourth aspect of the invention, the recognition processing means uses one of the marks necessary for indicating the bending direction on the plate material to be processed by utilizing the mechanical axis movement in the processing device, or It is characterized in that the bending direction recognition processing is performed by marking a plurality of or lines.

[0012]

In the bending direction recognition processing method according to the first aspect of the present invention, various information necessary for setting a plate material processing pattern for bending is stored in advance in the storage means. In this state, when a setting operation for obtaining a plate material processing figure is performed, first, a plate material processing figure corresponding to this setting operation is set based on various information in the storage means. Next, information on a bending direction instruction for the processing device is created based on the information on the set plate material processing figure. Then, at the time of bending, recognition processing of the bending direction is performed on the plate material to be processed based on the information of the bending direction instruction created above.

According to the second aspect of the invention, the bending direction recognition machining method according to the first aspect of the invention is achieved in the process in which the machining device is controlled by the control device.

According to the third aspect of the invention, the bending direction recognition machining method according to the first aspect of the invention is achieved in the process in which the machining device is controlled by the control device program-controlled by the system.

In the bending direction recognition processing apparatus according to the fourth aspect of the present invention, various information necessary for setting the plate material processing figure at the time of bending is stored in the storage means in advance. In this state, when the setting operation for obtaining the plate material processing figure is performed, the plate material processing figure corresponding to the setting operation is set in the setting means based on various information in the storage means. Then, the processing data creating unit creates the processing information of the bending direction instruction to the processing apparatus using the information of the plate material processing figure set by the setting unit. Then, the processing information of the bending direction instruction to the processing device is subjected to data processing by the encoding means and converted into a machine operation instruction code. The recognition processing means performs recognition processing in the bending direction on the plate material to be processed based on the machine operation command code obtained in this way.

According to a fifth aspect of the present invention, the recognition processing means according to the fourth aspect of the invention uses one of the marks necessary for indicating the bending direction on the plate material to be processed by utilizing the machine axis movement in the processing device. Bending direction recognition processing is performed by marking a plurality of or lines.

[0017]

1 is a block diagram showing the outline of a bending direction recognition processing apparatus of an embodiment to which the present invention is applied.

The bending direction recognition processing apparatus of this embodiment is
An automatic programming device 1 and an NC device 2 are basically provided in order to recognize the bending process on the plate material to be processed before the bending process. Then, the automatic programming device 1 functions as the setting means 1A and the machining information creating means 1B, and the tool trajectory setting database 3
A and a plate material processing figure setting database 3B are provided as the storage means 3. In addition, the NC device 2 includes the encoding means 2
The carriage 4 and the marking device 5 function as A.
Is the numerical control target.

In each of the above-mentioned parts, the tool locus setting database 3A in the storage means 3 stores in advance data relating to the movement of the machine axis by the carriage 4,
As will be described later, when a plate material processing figure is set by the automatic programming device 1 and data for operating the carriage 4 corresponding to the set plate material processing figure is obtained, the carriage operation data is stored. Further, the plate material processing figure setting database 3B stores in advance various information necessary for setting the plate material processing figure,
As will be described later, when the plate material processing figure is set by the automatic programming device 1 and the bending direction instruction data corresponding to the set plate material processing figure is obtained, the bending direction instruction data is stored. .

When a setting operation for obtaining a plate material processing figure by CAD is performed, the setting means 1A in the automatic programming device 1 sets the plate material processing figure corresponding to this setting operation using the plate material processing figure setting database 3B. . Further, the processing information creating means 1B, based on the plate material processing figure data set by the setting means 1A, data of a bending direction instruction to the bending device, for example, line segment length (start
End), direction (mountain, valley), angle (90 °, -90 °,
30 ° ...) and the like are created, and data for operating the carriage 4 is created corresponding to the plate material processing figure, and these data are stored in the corresponding database. Further, data for carriage operation and plate material machining pattern setting 3 stored in the tool trajectory setting database 3A.
The bending direction instruction data stored in B is read at the time of bending and transferred to the NC device 2 as a part of the NC data.

The NC device 2 is an automatic programming device 1.
In the encoding means 2A for processing the NC data received from the device and converting it into a machine operation instruction code, the data for moving the carriage of the NC data is encoded into a G code and output to the carriage 4, and the bending of the NC data is performed. The direction instruction data is encoded into an M code and output to the marking device 5.

On the other hand, the carriage 4 and the marking device 5
2 is arranged in the bending area of the bending machine 7 as shown in FIG. 2, and moves the plate material S to be machined by the carriage 4 in the machine axis direction. On the other hand, marking is performed by the marking device 5 in which solenoids are excited from both sides of the plate surface and driven. Then, the plate material S to be machined, which corresponds to the G code from the NC device 2 and is mechanically axially moved by the carriage 4.
On the other hand, the marking device 5 moves forward or backward in response to the M code from the NC device 2 to perform the marking operation (see FIG. 3). Therefore, the combination of the carriage 4 and the marking device 5 is operated as the recognition processing means 6, and after the recognition processing means 6 recognizes the plate material to be processed, the bending machine 7 can bend the plate material to be processed.

Next, an example of creating recognition processing data used when bending a plate material to be processed into a finished product shape as shown in FIG. 4 will be described.

Here, a development view of the plate material to be processed corresponding to the shape of the finished product in FIG. 4 is as shown in FIG. However, in FIG. 5, the solid bending line X ₁ indicates a positive bending, and the dotted bending line X ₂ indicates a reverse bending.

The automatic programming device 1 of FIG.
When the data of the finished product shape as shown in FIG. 4 is input by D, the surface synthesizing function is used to proceed as follows.

First, in FIG. 6, as in step A, a development view including the surfaces S1, S2, S3, S4, and S5 is prepared, and then, as in step B, the surface S2 is set as the reference surface and the surface S1 is formed. It is synthesized by surface synthesis using a mouse. And
The thick line portions of the S2 and S1 surfaces in step B are connected (hereinafter, other surfaces are similarly synthesized). Then step C
After connecting the S1 and S2 surfaces as described above, it is recognized by internal processing that the connection location is a bend, and an instruction is given on the screen display. At this time, enter the length, direction (normal, reverse) and angle of the bending line according to the operator's instructions. Next, as in step D, the same operations as in steps AC are repeated for each surface. Thus S1 to S5 as in step E
The respective surfaces up to are combined and the bending data of the adjacent surfaces are generated and stored in the database. As a result, step F
As described above, NC data representing, for example, marking ON, axis movement only, marking OFF, etc. is created and output to the outside.

As described above, in one embodiment of the present invention, an example in which the bending direction (forward / reverse) can be recognized with respect to the plate material to be processed at the time of bending is shown as an example. The device may be controlled by a controller such as a computer NC device. Further, the processing device may be included in a system which is controlled by the control device and program-controls the control device.

[0028]

As described above, according to the present invention, when bending is performed, information on a bending direction is created by data processing, and the plate material to be processed is recognized based on the created information on the bending direction. Since the processing is performed, the recognition processing in the previous step of the bending process does not have to be accompanied by the original processing (drilling, cutting) in the previous step, and the overall processing time increases due to the recognition processing. Can be avoided.

[Brief description of drawings]

FIG. 1 is a block diagram showing an outline of a bending direction recognition processing apparatus of an embodiment to which the present invention is applied.

FIG. 2 is a diagram schematically showing a carriage for moving a plate material to be machined along a machine axis and a marking device for marking the plate material to be processed.

FIG. 3 is a diagram showing a state in which a marking device is moved forward or backward with respect to a plate material to be processed.

FIG. 4 is a diagram showing an example of a finished product shape of a plate material to be processed.

5 is a diagram showing a developed view of the shape of FIG.

FIG. 6 is a diagram showing a state transition in the process of obtaining bending data.

[Explanation of symbols]

 1 Automatic Programming Device 1A Setting Means 1B Machining Information Creating Means 2 NC Device 2A Coding Means 3 Storage Means 3A Tool Trajectory Setting Database 3B Plate Material Machining Figure Setting Database 4 Carriage 5 Marking Device 6 Recognition Machining Means 7 Bending Machine

Claims (5)

[Claims] 1. In a bending direction recognition processing method in plate material plasticity processing, which is applied to a processing device for performing bending direction recognition processing in a stage before bending processing on a plate material to be processed, a plate material processing figure at the time of bending is set. When a setting operation for obtaining a plate material processing figure is performed, the plate material processing figure corresponding to the setting operation is stored in the storage means. Based on the information on the set plate material processing figure, the bending direction instruction information for the processing device is created, and when bending is performed, the plate material to be processed is created based on the created bending direction instruction information. A bending direction recognition processing method in plate plastic working, characterized in that the bending direction recognition processing is performed on the plate. 2. The bending direction recognition processing method in plate plastic working according to claim 1, wherein the processing device is controlled by a control device. 3. The bending direction recognition machining in plate plastic working according to claim 1, wherein the machining device is included in a system which is controlled by a control device and programmatically controls the control device. Method. 4. A storage means for preliminarily storing various information necessary for setting a plate material processing pattern when bending a plate material to be processed, and a setting operation for obtaining the plate material processing pattern, when the setting operation is performed. Setting means for setting a plate material processing figure corresponding to a setting operation based on various information in the storage means, and processing information of a bending direction instruction for a processing device is created by using the information of the set plate material processing figure. Machining information creating means, coding means for processing the created machining information of the bending direction instruction and converting it into a machine operation instruction code, and a bending direction of the bending direction with respect to the plate material to be processed based on the machine operation instruction code. A bending direction recognition processing device in plate plastic working, comprising: recognition processing means for performing recognition processing. 5. The recognition processing means uses one or more marks or a line necessary for indicating a bending direction on a plate material to be processed by utilizing a machine axis movement in a processing device to bend the bending direction. 5. The bending direction recognition processing device in plate plastic working according to claim 4, wherein the recognition processing is performed.