JPH03174996A - Apparatus for making laser beam maching data - Google Patents

Abstract

PURPOSE:To make machining data at high yield by providing parameter input means for machining figure data, etc., blanking figure making means executed based on these data, machining locus correcting means for making data so as to avoid a clamping device and display means. CONSTITUTION:By the parameter input means, dimension of raw material, position and size of the clamping device, machining figure data name and setting coordinate's values of the machining figure are inputted. By the blanking figure making means, the blanking figure is formed so that the clamping device and the setting machining figure do not overlap on the raw material. By the machining locus correcting means, the laser beam machining data are made so as to avoid collision of the machining head with the clamping device based on the blanking figure, position of the clamping device and the other inputted data. Successively, in order to visually confirm that the machining head does not collide with the clamping device, a shifting simulated locus of the machining head on the raw material is displayed on the displaying means. By this method, the machining data can be easily made at high yield for short time.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a laser machining data creation device that is applied to a laser machining device that cuts shapes into a material using a laser.

(Prior Art) Conventionally, when manufacturing a large number of laser-processed products from one material, it is necessary to create laser processing data so that the processing head does not collide with a clamp device that fixes the material.

A conventional laser processing data creation device for creating such laser processing data is as shown in Fig. 6.
A machining area 22 in which a machining head (not shown) moves, and a clamp device so that the machining figure is cut only outside an area a certain distance a from the side where the clamp device 21 that fixes the workpiece 0 is present. By separating the non-processing area 23 where the processing head 21 exists, laser processing data is created that avoids collision between the processing head and the clamp device 21.

(Problem to be Solved by the Invention) The above-mentioned conventional technology includes a processing head and a clamp device 51.
21 and a machining data creation function that allows the machining head to avoid the clamping device 21. Therefore, if a machining figure is placed in the area around the clamping device 21 of the material 20, the machining head will avoid the clamping device 21 during machining. 21
There was a risk of collision and damage to the machining head.

For this reason, high-yield processing in which processed figures are placed in the area around the clamp device has not been possible.

An object of the present invention is to provide a laser machining data creation device that enables the arrangement of machining figures in the area around the clamp device and that can create machining data with a high yield without damaging the machining head. be.

(Means for Solving the Problems) In order to achieve the above object, the present invention inputs the dimensions of the material, the position and size of the clamping device that fixes the material, the name of machining figure data, and the arrangement coordinate values of the machining figure. a parameter input means; a cut-out figure creation means for cutting a figure on a material based on the input data of the parameter input means;
A machining locus correction means for creating laser machining data based on the machining result of the machining figure creation means and input parameters of the parameter input means so that the machining head avoids the clamping device; and a laser machining data of the machining locus compensating means. and a display means for displaying the trajectory of the processing head controlled by the processing head.

(Function) Since the above method is adopted, the dimensions of the material, the position and size of the clamping device, the machining figure data name, and the arrangement coordinate values of the machining figure are input using the parameter input means, and the cutting figure creation means is used to input The machining head is shaped so that the clamping device and the machining figure to be placed do not overlap, and the machining head adjusts the machining pattern to the clamping device based on the machining trajectory correction means, the position of the clamping device and the position of the clamping device, and other input data. Laser processing data is created to avoid collision with
Next, in order to visually confirm that the processing head does not collide with the clamp device, a simulated movement trajectory of the processing head on the material is displayed on the display means.

(Example) Embodiments of the present invention will be described below based on the drawings.

FIG. 1 is a block diagram of an embodiment of the laser processing data creation device of the present invention, and is a block diagram of an embodiment of the laser processing data creation device of the present invention.
This is a parameter input means for inputting the dimensions of the material, the position and size of the clamping device that fixes the material, the name of machining figure data, the arrangement coordinate values of the machining figure, etc. , a planking figure creating means 2 for creating a planking diagram of a machining figure on the material based on the input data of the parameter inputting means 1, and a planking result of the planking figure creating means 2 and the parameter inputting means. Machining trajectory correction means 3 and 5 create laser machining data from the input parameters of 1 so that the machining head avoids the clamping device.Display means for displaying the trajectory of the machining head controlled by the machining data of the machining trajectory correction means 3. 4.

FIG. 2 is an explanatory diagram showing the positional relationship of each member on the material, 5 is the material, 6 is the clamp device, 7 is the processing head, 8
, 9 are processed figures.

In the figure, in order to increase the yield by arranging the machining figure 8 or the machining figure 9 in as many areas as possible on the material 5, and to create machining data in which the clamping device 6 and the machining head 7 do not collide, , at least the horizontal dimension Lx and vertical dimension Ly of the material 5, the position Px of the clamp device 6, the size Kx, Ky of the clamp device 6, the data dimension of the machining figure 8°9 to be arranged, the radius of the machining head 7, and the tool. A diameter correction value is required.

The operation of this embodiment for correcting data based on each of the above values will be explained with reference to the flowchart of FIG.

That is, in step (Sl), the lateral dimension Lx of the material 5
, the vertical dimension Ly is input, and in step (S2), the positions Px of the clamp devices 6 necessary for fixing the material 5 and the sizes Kx and Ky of the clamp devices 6 are input, and step (S2) is input. In S3), the radius of the machining head 7 and the tool diameter correction value are input. These operations are performed by the parameter input means l shown in FIG.

Next, in step (S4), as shown in FIG.
After calculating the prohibited entry area 11, the dimensional data of the processed figures 8 and 9 to be placed is read, and the processed figures 8 and 9 are sequentially placed on the material 5 so as not to overlap the placement prohibited area 10 of the processed figures. , performs figure cutting on material 5. These operations are performed by the cutout figure creating means 2 shown in FIG.

Next, in step (S5), machining data of the cutout figure is created, and in step (S6), a calculation is made to determine whether or not the machining trajectory A of the machining head 7 overlaps the entry prohibited area 11 of the machining head 7, As shown in FIG. 5(a), if they overlap, it is determined that the processing head 7 collides with the clamping device 6, and in step (S7), the correction example shown in FIG. 5(b) and (C) is performed. Then, the machining data is corrected so that the machining trajectory A avoids the clamp device @6. This operation is performed by the machining trajectory correction means 3 shown in FIG.

Next, in step (S8), the machining trajectory A of the machining head 7 is
is displayed on the display means 4.

In this way, according to the two embodiments, when the operator inputs necessary parameters, an interference check between the machining head 7 and the clamping device 6 is automatically performed, and machining data is created to avoid collision between the two. As a result, it is possible to arrange the machining figures 8 and 9 in the area around the clamp device 6, and it is possible to easily and quickly obtain machining data with high yield without damaging the machining head 7. can be created. Furthermore, since the machining trajectory A of the machining head 7 can be displayed, it is possible to visually confirm that the machining head 7 does not collide with the clamp device 6.

(Effects of the Invention) According to the present invention, an operator can easily and within a short period of time arrange processing figures in the area around the clamp device, and can achieve high yield without damaging the processing head. It is possible to provide a laser processing data creation device that can create processing data of.

[Brief explanation of drawings]

FIG. 1 is a block diagram of an embodiment of the laser processing data creation device of the present invention, FIG. 2 is an explanatory diagram showing the chemical composition relationship between the material and each member, FIG. 3 is a flowchart of the operation of this embodiment, and FIG. The figure is an explanatory diagram showing a prohibited area for processing figures and a prohibited area for entering the processing head. FIGS. 5(a) to 5(c) are explanatory diagrams showing examples of machining trajectories of a machining head, and FIG. 6 is an explanatory diagram for explaining a machining area by a conventional laser machining data creation method. 1...parameter input means, 2...cutting figure creation means, 3...machining trajectory correction means, 4...
・Display means, 5...Material, 6...Clamp device, 7...Processing head, 8.9...Processing figure, 10...Processing figure placement prohibited area, ■1... Prohibited area for machining head, A: Machining trajectory of machining head.

Claims (1)

[Claims] A parameter input means for inputting the dimensions of the material, the position and size of the clamp device that fixes the material, the name of the processed figure data, and the arrangement coordinate values of the processed figure, and the cutting of the figure onto the material based on the input data of this parameter input means. a machining trajectory correction means for creating laser machining data so that the machining head avoids the clamping device from the machining result of the machining figure creation means and input parameters of the parameter input means; A laser machining data creation device comprising: display means for displaying the locus of a machining head controlled by the laser machining data of the machining locus correction means.