JP2614607B2 - Numerical control data creation method for machine tools - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention displays various operation information for inputting data necessary for creating numerical control data on a display means, and inputs data according to the display. The present invention relates to a method for creating numerical control data in a machine tool that creates numerical control data by using the method.

[Prior art] Conventionally, a machine tool that creates numerical control data required for machining using this type of numerical control data creation method includes:
It is known to provide a tool magazine for holding a plurality of tools interchangeably, select a necessary tool from the tool magazine, mount the tool on a spindle, and perform machining.
By inputting predetermined data in an interactive manner according to the display on the display means according to the type of processing such as a reamer, input items necessary for the processing are sequentially displayed, and the data input by the operator and the input The data stored in the memory in advance is extracted from the data, and the numerical control data is automatically created from the data.

[Problems to be Solved by the Invention] As described above, necessary input items are sequentially displayed according to the type of machining, and numerical control data is created by allowing an operator to input data in an interactive manner according to the input items. In this case, the operator can easily create a series of machining programs simply by inputting necessary data in order according to the input items displayed on the display means, but the machining operations such as tool movement are uniquely fixed. However, there is a problem that various complicated processes cannot be handled.

[Object of the Invention] The present invention is to solve the above-mentioned problems, and it is possible to easily create a machining program that can cope with various complicated machining, and to easily change the machining program. It is an object of the present invention to provide a numerical control data creation method capable of performing the following.

[Means for Solving the Problems] In order to achieve the above object, in the present invention, a machining program input screen for inputting a machining program and a machining operation input screen for inputting a machining operation are displayed. After a machining operation is input on the selected machining operation input screen, the machining operation is stored in the storage means as an operation program, and the operation program is input when the machining program is input on the machining program input screen. Is read from the storage means to input data corresponding to the input item, thereby inputting a series of machining programs, and changing the operation program read on the machining program input screen based on a change command. A possible numerical control data creation method is provided.

[Operation] According to the present invention, by inputting only a series of machining operations corresponding to complicated machining in the machining operation input screen selected by the operator in order by the above-described method, the storage means is stored as an operation program, and the machining program is input. Sometimes, the operation program stored in the storage means is read out and input items necessary for the machining operation are displayed, so that the operator can easily input numerical data corresponding to complicated machining simply by inputting data into the input items. Control data can be created, and even if the operation program read on the machining program input screen is changed based on a change command, the operation program stored in the storage means remains in the previous state, It can be used many times in the same or similar processes.

[Practical Example] Hereinafter, a practical example that embodies the present invention will be described with reference to the drawings.

In the machine tool, as shown in FIG. 20, a spindle head 13 rotatably supporting a spindle 14 is supported on one side of a frame 17 so as to be able to reciprocate up and down. The spindle head 13 has a frame
The AC servomotor 23 mounted on the upper surface of the motor 17 and a ball screw (not shown) connected to the motor 23 move up and down a predetermined stroke. On the upper surface of the spindle head 13, a spindle motor 11 connected to one end of the spindle 14 and capable of both forward and reverse rotation is mounted.

On one side of the frame 17, a tool magazine 16 holding ten tools 21 is rotationally indexed by a rotary indexing motor 16a (see FIG. 1) about an axis inclined with respect to the axis of the main shaft 14. Supported as possible. The tool magazine 16
The tool pot numbers 1 to 10 are indicated at the respective tool mounting positions.

The spindle head 13, tool magazine 16, etc. are disclosed in
The tool 21 is operated as shown in Japanese Patent No. 55338 to change the tool 21 and the like.

A computer 19 having a keyboard 6 for inputting various processing data and the like and a CRT 7 for displaying various operation information and the like is fixed to one side of the frame 17 by a support arm 20. Below the spindle head 13, an X, Y table 10 capable of moving the workpiece W to an arbitrary position in the horizontal direction is mounted.

A central processing unit (hereinafter a CPU) in the computer 19
As shown in FIG. 1, a ROM 9 in which various control programs and the like are stored, a RAM 1 as storage means for storing processing information and the like set from the keyboard 6 are connected to the The keyboard 6 and the CRT 7 are connected.

In the RAM 1, an area 3 in which a series of machining programs input from the keyboard 6 according to the display on the CRT 7 is stored, and a positioning operation of the tool 21 and a rotation operation of the spindle 14 corresponding to complicated machining and the like required by the user. There is provided an area 4 in which an operation program in which the machining operations are sequentially input is stored. The RAM 1 has program numbers 0001 to 99.
Up to 99 programs are configured to be writable. Of these program numbers, 0001 to 9799 are allocated to the machining program storage area 3 and 9800 to 9999 are allocated to the operation program storage area 4.

This embodiment is configured as described above, and its operation will be described by taking as an example a procedure for creating a machining program for performing a jump feed machining on a workpiece 2 having a U-shaped cross section as shown in FIG. Next, the operation will be described with reference to the flowchart of FIG.

First, as shown in FIG. 4, the keyboard 6 is operated to select the processing program edit mode screen, and the seven menus are displayed on the CRT 7, and the processing is performed at the menu input location where the cursor 7a is blinking. When number 1 for inputting a program is input from the keyboard 6, the CPU 5 executes step S1 and displays a program number input screen shown in FIG. 5 on the CRT 7.

Here, if the operator wants to create a machining program, the operator may input a desired program number from program numbers 0001 to 9799 to an input location where the cursor 7a is blinking. On the other hand, when an operation program is to be created by sequentially inputting machining operations, desired program numbers 9800 to 9999 may be input in the same manner as described above.
Then, when a predetermined program number is input by the operator, the CPU 5 executes step S2 to determine the program number.

The program number 98 input in step S2
If it is determined that the number is 00 to 9999, step S3 is executed,
It is determined whether or not the editing of the operation program has been completed based on the input of the operator. If it is determined in step S3 that the editing has not been completed, step 4 is executed, and a screen for inputting the type of operation is displayed as shown in FIG.
Display on CRT7.

The six menus displayed on this screen are classified into specific operations corresponding to each operation, as shown in FIG.

Further, as will be described later, after the operator defines the machining operation according to the display on the CRT 7, the determination in the step S3 is performed.

Here, for example, in order to process the workpiece 2 (see FIG. 2), as shown in FIG. 8, it is possible to perform the operations 1 to 8 in order in the fastest and efficient manner.

Accordingly, when the menu number is input as "1" at the blinking position of the cursor 7a on the screen shown in FIG. 6 based on the above operation, the CPU 5 displays the screen shown in FIG. 9 on the CRT 7. Further, when a menu number “1” is input to set the positioning XY corresponding to the operation of the above “1” (see FIG. 8), the screen shown in FIG. -Define XY motion.

Further, by inputting the menus corresponding to the operations 2 to 8 (see FIG. 8) in accordance with the display on the CRT 7 in the same manner as described above, a series of processing operations are defined as shown in FIG. Thereafter, a predetermined key input indicating the end of the program is performed from the keyboard 6 to display the end of the program (see FIG. 12), and the series of operations is stored in the program number 9800 of the operation program storage area 4 and Then, in step S5, the display of the CRT 7 is returned to the initial screen shown in FIG.

Here, when another machining operation is to be defined again, another program number of program numbers 9800 to 9999 may be input and input may be performed as described above.

After several operation programs are defined as described above, when menu number 1 is input on the screen shown in FIG. 4 and program numbers 0001 to 9799 are input on the screen shown in FIG. 5, Step S10 is executed, and as shown in FIGS. 14 to 17 of JP-A-61-86153, predetermined data are sequentially displayed by sequentially inputting each data in accordance with the display screen of the CRT 7. I do. When a work material is selected from a menu and input on the screen shown in FIG. 17 of the above publication, a screen shown in FIG. 13 is displayed on the CRT 7.

Next, in step S11, after determining whether or not the editing of the machining program has been completed, step S12 is executed, and whether or not the type of the process input by the operator is the operation call menu 14 (see FIG. 13) Is determined.

If it is determined that the type of the input process is not the operation call, step S13 is executed, and the necessary input items are sequentially displayed on the CRT 7 as described in the above-mentioned publication, and each data is provided to the operator. Input. Then, when a machining program for one process is input, the determination in step S11 is performed.

In step S12, when it is determined that the type of the input process is an operation call, as shown in FIG.
Of the operation programs stored in the predetermined program number of the operation program storage area 4, a desired program number to be read during the machining program and the number of the tool 21 to be used stored in a predetermined area (not shown) of the RAM 1 Is input by the operator.

Next, step S14 is executed, and when it is determined that the program number and the tool number have been input, the machining operation stored in the area corresponding to the program number is read into the machining data in step S15 (see FIG. 15). Input items required for each processing operation are displayed in blank.

Further, by inputting data corresponding to the processing shown in FIG. 2 into the respective input items, a processing program of the above-described step feed processing can be defined.

Then, if you want to enter another machining program,
Select the desired machining from the menu shown in Fig. 13 and enter CR
The input can be repeated according to the display of T7.

When the input of all machining programs is completed, a predetermined key input indicating the end of the program is performed from the keyboard 6 to display the end of the program, and a series of machining programs are stored in the machining program storage area 3. It is stored in a predetermined program number.

Next, a case where it is desired to change the machining operation read to the machining data side will be described with reference to FIGS. 16 to 19, with an example in which coolant-on is inserted between operations 02 and 03.

First, the process to be edited in the machining program is displayed on the CRT 7 by the operator.
7a is moved (see FIG. 16).

Next, when an insert key (not shown) of the keyboard 6 is input, the CPU 5 deletes the operation contents after the operation 03 and displays a menu indicating the type of operation (see FIG. 17). When the menu number 6 indicating the auxiliary function is input, an operation menu corresponding to the operation is displayed (see FIG. 18), and the desired operation is input in the same manner, so that the operation of turning on the coolant is performed. 03
Insert

Then, the operation previously defined in the machining data is redefined by deferring from the operation 04 (see FIG. 19), and the operation in the machining program is changed.

As described above, since only the machining operation is input on the machining operation input screen and the machining operation is read only when the machining program is input, the input items necessary for each machining operation are displayed. Not only can you define the machining operation easily and with few input errors,
The input of the machining program can be easily performed.

[Effects of the Invention] As described in detail above, in the present invention, the machining operation set on the machining operation input screen is stored as an operation program in the storage means, and then the operation program is read from the storage means on the machining program input screen. Since the operation program can be changed based on the change command, the operation program before the change is retained as it is, and the same operation program is repeatedly used in the same or similar processing to efficiently execute the processing program. Has effects that can be created.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a circuit configuration of one embodiment of the present invention, FIG. 2 is a diagram showing one working embodiment, FIG. 3 is a flowchart for explaining the operation, and FIGS. 6
9 and FIG. 19 are explanatory diagrams showing display screens of the CRT, FIG. 7 is an explanatory diagram showing the classification of machining operations, FIG. 8 is an explanatory diagram for explaining the operation of one machining embodiment, FIG. 20 is a configuration diagram showing one embodiment of a machine tool. In the figure, 1 is a RAM, 5 is a CPU, 7 is a CRT, and 9 is a computer.

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-157906 (JP, A) JP-A-61-62106 (JP, A) JP-A-60-126710 (JP, A) JP-A 61-157906 86153 (JP, A) JP-A-56-168223 (JP, A) JP-A-57-189206 (JP, A) JP-A-52-112180 (JP, A) JP-A-60-155338 (JP, A)

Claims (1)

(57) [Claims] 1. A machine tool for producing numerical control data by displaying various operation information for inputting data necessary for producing numerical control data on display means (7) and inputting data according to the display. In the numerical control data creation method, a processing program input screen for inputting a processing program and a processing operation input screen for inputting a processing operation are selected based on the display of the display means (7). After a machining operation is input on the operation input screen, the machining operation is stored in the storage means (1) as an operation program, and the operation program is read from the storage means (1) when the machining program is input on the machining program input screen. In this way, input items necessary for the machining operation are displayed, and data corresponding to the input items is input based on the display. A series of machining programs are input by inputting a force, and the operation program read out on the machining program input screen can be changed based on a change command.