JPS63184108A - Numerical controller - Google Patents

Abstract

PURPOSE:To execute a high level language program, by providing an interface between a machine tool data storage means and a high level language control part. CONSTITUTION:A numerical controller is constituted of a system control part 1, a numerical control language control part 2, a sequence control part 4, the high level language control part 6, and a driving control part 13 which drives a machine tool 15 via a driving amplifier 14, etc. And furthermore, a machine coordinate value storing memory 23 which stores a coordinate value representing the present location of the machine tool 15, and the interface 24 between the memory and the high level language control part 6 are provided, and the stored content of the above stated memory 23 is read out via the interface 24. In such a way, the high level language program is executed, and the high level language control part 6 reads out the coordinate value of the machine tool 15 stored in the machine coordinate value storing memory 23 via the interface 24.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a numerical control device that is capable of reading out the status of a machine tool currently in operation using a high-level language program.

[Prior Art] As a conventional numerical control device (hereinafter referred to as an NC device), there is one shown in FIG. In Figure 2, (1)
is a system control unit that controls the entire NC device, and (2) is a numerical control program (hereinafter referred to as NC program) written in a numerical control language (hereinafter referred to as NC language) and stored on disk (3). Numerical control language control unit (hereinafter referred to as NC language control unit) (4) is written in sequence language and starts, stops, and decodes the sequence program stored on disk (5). a sequence control unit that performs stopping, decoding, etc.;
(6) is written in a high-level language such as BASIC language, FORTRAN language or C language, and disk (7) is written in a high-level language such as BASIC language, FORTRAN language or C language.
), (8) is the interface between the system control unit (1) and the NC language control unit (2), (9) is the system (20) is an interface between the control unit (1) and the sequence control unit (4), (20) is an interface between the system control unit (1) and the high-level language control unit (6), and (10) is an interface between the NC language control unit (2). The interface with the sequence control unit (4), (11) is the interface between the NC language control unit (2) and the high-level language control unit (6), and (12) is the interface between the sequence control unit (4) and the high-level language control unit (6). ), (13) is a drive control unit that drives the motor (1B) of the machine tool (15) via a drive amplifier (14), and (17) is a sequence control unit (
4) and the interface with the machine tool operation panel (18),
(22) is a setting display panel for inputting programs and displaying the operation of the NC device.

Note that the NC program and the high-level language program are independently edited and stored as programs for the NC device.

Also, high-level language programs can perform complex logical operations at high speed, but if you try to do the same with an NC program, the program becomes complicated and takes a long time to execute, so it is essentially a machine tool. becomes uncontrollable. Therefore, a high-level language program was used to perform complex logical operations.

Next, the operation of the conventional numerical control device will be explained. During automatic operation, the NC program stored in the disk (3) is executed sequentially. The NC program includes a system control section (1), a drive control section (13), and a drive amplifier (14).
) to drive and control the motor (1B) through the machine tool (15
) to move.

Next, the sequence control unit (4) connects the machine tool (15) and the machine tool control panel (18) to the interface (17).
) When a signal corresponding to the operation of the machine tool (15), for example, a signal indicating the position of the machine tool, is input to the machine tool, a sequence program is executed in accordance with the input signal. This sequence program may contain instructions for starting an NC program or a high-level language program.

In that case, the NC started by the sequence program
The program sends signals to the system control (1) via the NC language control (2) and the interface (8). Further, the high-level language program started by the sequence program performs logical operations and sends the results to the system control unit (1) via the high-level language control unit (6) and interface (20). System control section (1) is NC
Based on the signals from the language control unit (2) and the high-level language control unit (8), a control signal is sent to the motor (1B) via the drive side ill ali (13) and the drive amplifier (14), and the machine tool (15) and displays it on the setting display panel (22).

[Intermediate point to be solved by the invention] By the way, the conventional NC device having the above configuration has an interface (11) in order to start a high-level language program from the NC language control unit (2) and the sequence control unit (4). and (12).

However, the high-level language control section (8) is
) is not equipped with a means to divide the state into four levels. For this reason, there is a problem in that even if a high-level language program that makes decisions or performs arithmetic processing according to the current state of the machine tool (15) is created, it cannot be executed.

The present invention has been made to solve the above problems,
The purpose of the present invention is to provide a numerical control device that can recognize the current state of a machine tool (15) and can execute a high-level language program that performs judgment and arithmetic processing according to the current state of the machine tool (15). .

[Means for Solving the Problems] Therefore, the present invention includes a system control section that controls the entire numerical control device, a first storage means that stores a numerical control program, and a system that operates a machine tool using the numerical control program. A numerical control language control section for controlling, a second storage means for storing a sequence program, a sequence control section for performing sequence control of the machine tool according to the sequence program, and a third storage means for storing a high-level language program.
a high-level language control unit that performs logical operations and automatic control of the machine tool using the high-level language program, a high-level language program control unit that causes the sequence control unit to start the high-level language program, and data indicating the state of the machine tool. The present invention constitutes a numerical control device comprising a machine tool data storage means for storing the information, and an interface provided between the machine tool data storage means and a high-level language control section.

[Function] In the numerical control device having the above configuration, the system control section executes the numerical control program stored in the first storage means, the sequence program stored in the second storage means, and the third
The numerical control language control section, the sequence control section, and the high-level language control section execute the numerical control program, the sequence program, and the high-level language program, respectively. Further, the high-level □language program control means causes the sequence control section to start a high-level language program, and the high-level language control section reads out data indicating the state of the machine tool stored in the machine tool data storage means via the interface. In this case, the high-level language program can perform judgments, calculations, etc. according to the state of the machine tool.

[Example] Hereinafter, an example of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram of a numerical control device according to the present invention. Note that in FIG. 1, parts that perform the same functions as those in FIG. 2 are designated by the same reference numerals, and their explanations will be omitted.

In Fig. 1, (23) is a machine coordinate value storage memory that stores coordinate values indicating the current position of the machine tool (15), and (24) is a high-level language control unit (6) and a machine coordinate value storage memory. (23). The high-level language control unit (6) reads out the contents of the machine coordinate value storage memory (23) via this interface (23).

Next, the operation of the numerical control device according to the present invention will be explained. During automatic operation, the N stored in the disk (3)
A C program is executed sequentially. The NC program drives and controls the motor (16) via the system control section (1), drive control section (13) and drive amplifier (14) to move the machine tool (15).

Next, the sequence control unit (4) connects the machine tool (15) and the machine tool control panel (18) to the interface (17).
) When a signal corresponding to the operation of the machine tool (15), for example a signal indicating a position, is input to the machine tool, a sequence program is executed in accordance with the manually input signal. When the sequence program starts the high-level language program via the interface (12), the high-level language program is executed. In this case, when the high-level language program attempts to perform judgment and arithmetic processing according to the coordinate values indicating the current position of the machine tool (15), the high-level language control unit (6>) communicates the machine coordinates via the interface (24). The coordinate values of the machine tool (15) stored in the value storage memory (23) are read.

By reading the coordinate values of the machine tool (15), for example, the high-level language program to be executed may be changed.

Although the coordinate values of the machine tool (15) have been described in this embodiment, the output voltage value of the motor that drives and controls the machine tool (15) may be stored in the memory.

[Effects of the Invention] As explained above, according to the present invention, a machine tool data storage means that stores data indicating the state of the machine tool;
Equipped with an interface between a high-level language control unit and a machine tool data storage means, it is possible to execute high-level language programs that make judgments and perform arithmetic processing according to the state of the machine tool currently in operation. A control device is obtained.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a numerical control device according to the present invention, and FIG.
The figure is a block diagram of a conventional numerical control device. In each figure, 1 is the system control unit, 2 is the NC language control unit, and 3
．． 5.7 is a disk, 4 is a sequence control unit, 6 is a high-level language control unit, 8.9.1O111, 12, 20, 24 is an interface, 13 is a drive control unit, 14 is a drive amplifier, 15 is a machine tool, ■ 8 is a motor, 1B is a machine tool operation panel, 22 is a setting display panel, and 23 is a machine coordinate value storage memory. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (7)

[Claims] (1) A system control unit that controls the entire numerical control device;
a first storage means that stores a numerical control program written in a numerical control language; a numerical control language control section that automatically controls a machine tool by the numerical control program written in the numerical control language; and a sequence language. a second storage means that stores a sequence program written in a high-level language; a sequence control section that performs sequence control of the machine tool according to the sequence program; and a second storage means that stores a high-level language program written in a high-level language. 3, a high-level language control unit that performs logical operations and automatic control of the machine tool using a high-level language program written in the high-level language, and a high-level language program control that causes the sequence control unit to start the high-level language program. a numerical control device comprising: machine tool data storage means for storing data indicating a state of the machine tool; and an interface provided between the machine tool data storage means and the high-level language control unit. A numerical control device, characterized in that the high-level language program can read data indicating the state of the machine tool stored in the coordinate value storage means. (2) The numerical control device according to claim 1, wherein the high-level language program is a BASIC language. (3) The numerical control device according to claim 1, wherein the high-level language program is a FORTRAN language. (4) The numerical control device according to claim 1, wherein the high-level language program is C language. (5) The high-level language program control means is a command of the sequence program, and starts the high-level language program via an interface provided between the sequence control section and the high-level language control section. Numerical control device according to scope 1. (6) The numerical control device according to claim 1, wherein the data indicating the state of the machine tool are coordinate values indicating the position of the machine tool. (7) The numerical control device according to claim 1, wherein the data indicating the state of the machine tool is data of a drive control means for controlling the drive of the machine tool.