JP6125123B1 - Numerical controller - Google Patents

Abstract

The numerical controller (1) controls the plurality of machining modules (5) based on the machining program (PG). The numerical controller (1) performs the machine operation received by the operation panel (4) on the machining module (5) that executes the machining program (PG) selected as the machine operation target on the operation panel (4). The setting means (20) to validate is provided. The setting means (20) includes a system processing selection unit (21) and a machine operation target system selection unit (22). The system processing selection unit (21) selects the selected machining program (PG) based on the machining program selection signal (301) for specifying the selected machining program (PG) and the contents of all machining programs (PG). ) To extract the processing module (5). The machine operation target system selection unit (22) outputs a machine operation signal (300) for executing the machine operation to the system processing unit (11) corresponding to the machining module (5) extracted by the system process selection unit (21). .

Description

  The present invention relates to a numerical control device that numerically controls a machine tool.

  A single-system numerical control device, which is a numerical control device for controlling a conventional machine tool having a system composed of a processing module having a main shaft, can control a plurality of drive shafts and is input from a processing program and an operation panel. The drive shaft is controlled based on the machine operation signal. The single-system numerical control device enables machining of a workpiece described in a machining program by controlling a plurality of drive shafts.

  In the single-system numerical control device, an operation mode selected from an automatic operation mode and a manual operation mode is selected by an operator operating an operation panel having a display unit. Automatic operation mode is memory operation mode or MDI (Manual Data Input) operation mode. Manual operation mode is jog feed mode, handle feed mode, incremental feed mode, manual manual feed mode, or reference point return mode. is there. The single-system numerical control device can operate in each operation mode by inputting a predetermined machine operation signal for operation in each operation mode. The machine operation signal includes a feed speed override signal in the automatic operation mode, and includes an axis selection signal and a manual feed speed designation signal in the jog feed mode.

  In contrast to a single-system numerical control device, there is a multi-system numerical control device that controls a machine tool having a plurality of systems. The multi-system numerical control device controls a machine tool having a plurality of systems. Each system can control at least one or more axes. The multi-system numerical control device can process a plurality of workpieces simultaneously by controlling a plurality of systems independently of each other. In addition, the multi-system numerical control device can process a single workpiece using a plurality of tools by controlling a plurality of systems in synchronization.

  In addition, the conventional multi-system numerical control device has a machine configuration that enables delivery of workpieces from one system to another system, so that after processing using one system, This enables processing across multiple systems, such as processing in later processes. In addition, the conventional multi-system numerical control device can select an operation mode and input a predetermined machine operation signal for each system. For this reason, the conventional multi-system numerical control device can operate based on different operation modes and machine operation signals for each system.

  Thus, a machine tool equipped with a conventional multi-system numerical control device can perform complex and diverse machining compared to a single-system numerical control device, but has a controlled axis and a system that can be controlled simultaneously. In many cases, the machine configuration is complicated, which makes it difficult to operate the machine. In order to solve the problem that machine operation becomes difficult, a multi-system numerical control device that enables simple machine operation has been proposed (see Patent Document 1). The multi-system numerical control device disclosed in Patent Document 1 sets system grouping in advance according to the configuration of the machine, and stores the system of each group as group information. The multi-system numerical control device disclosed in Patent Document 1 specifies a system in the same group as the system that has failed based on group information when a failure has occurred in any system, and the system that has failed Stop all operations in the same group of systems.

JP 2004-318762 A

  However, the multi-system numerical control device disclosed in Patent Document 1 has a problem in that it cannot cope with the case where the relationship between the systems to be operated at the same time changes every moment because the systems are grouped in advance. . In addition, when the relationship between the systems which should operate simultaneously changes every moment, it is a case where a workpiece | work is processed simultaneously with a some tool, or a some workpiece | work is processed simultaneously, delivering a workpiece | work.

  Furthermore, in the conventional multi-system numerical control device, when changing the feed speed override during machining, the operator first determines the system related to workpiece machining, and uses the operation panel to select the system that is the target of machine operation. It is necessary to input a machine operation signal indicating the feed speed override for the specified system. For this reason, since the conventional multi-system numerical control apparatus needs to judge and command the system when inputting the machine operation signal, the system related to machining of the workpiece to which the machine operation signal is input is timed. It was difficult to specify well.

  In addition, the conventional multi-system numerical control device, when the workpiece machining process is performed in a plurality of systems, even if the system that processes the workpiece in a timely manner can be selected, the timing at which the system that processes the workpiece is switched In addition, it is necessary to switch the system that is the target of machine operation. In this case, it has been difficult for the conventional multi-system numerical control device to be operated at the same timing.

  Furthermore, when a multi-system numerical control device passes a workpiece that has been machined in one system to another system, it does not perform any machining after one system has passed the workpiece. Can process other workpieces. Multi-system numerical control device, when one system performs machining of another workpiece, machine operation to one system is also applied to a new workpiece, so each time the workpiece to be processed by one system is switched, There is a problem that it is necessary to perform a machine operation and a complicated operation is required.

  As described above, since the conventional multi-system numerical control device has a problem related to machine operation, even if it is desired to perform machine operation on a predetermined workpiece, it is possible to perform machine operation by performing operation on all systems. . For this reason, the conventional multi-system numerical control device has a problem in that it cannot realize flexible machine operation. As a result, the conventional multi-system numerical control device stops processing of systems other than the system to be operated, and has a problem of reducing the processing efficiency of the machine tool itself.

  This invention is made in view of the above, Comprising: It aims at obtaining the multi-system numerical control apparatus which can suppress the fall of the working efficiency of a machine tool.

  In order to solve the above-described problems and achieve the object, the numerical control device of the present invention is a multi-system numerical control device that controls a plurality of systems based on a machining program. The numerical control apparatus includes setting means for validating the machine operation received by the operation panel for a system that executes a machining program selected as a machine operation target on the operation panel.

  The numerical control device according to the present invention has an effect that it is possible to suppress a decrease in machining efficiency of a machine tool.

The block diagram which shows the structure of the processing equipment provided with the numerical control apparatus which concerns on Embodiment 1. FIG. The figure which shows the structure of the 1st processing module of the machine tool of the processing equipment shown by FIG. The figure which shows the structure of the 2nd processing module of the machine tool of the processing equipment shown by FIG. The figure which shows the structure of the 3rd processing module of the machine tool of the processing equipment shown by FIG. 1, and a 4th processing module. The figure which shows the state which the 3rd processing module shown by FIG. 4 delivers a workpiece | work to a 4th processing module. The figure which shows the state from which the 4th processing module delivered the workpiece | work from the 3rd processing module shown by FIG. 1 is a block diagram showing an example of the configuration of a numerical control apparatus according to a first embodiment. The figure which shows the structure of the 1st process program memorize | stored in the memory of the numerical control apparatus shown by FIG. The figure which shows the structure of the 2nd process program memorize | stored in the memory of the numerical control apparatus shown by FIG. The time chart which shows operation | movement of each process module of the machine tool which the numerical control apparatus shown by FIG. 7 controls FIG. 3 is a block diagram showing an example of the configuration of a numerical control apparatus according to a second embodiment. The figure which shows the structure of the 3rd machining program memorize | stored in the memory of the numerical control apparatus shown by FIG. The figure which shows the structure of the 4th process program memorize | stored in the memory of the numerical control apparatus shown by FIG. The time chart which shows operation | movement of each process module of the machine tool which the numerical control apparatus shown in FIG. 11 controls The time chart when the third machining program and the fourth machining program are selected in the time chart shown in FIG. FIG. 6 is a block diagram showing an example of the configuration of a numerical control device according to a third embodiment. The figure which shows an example of the machine operation data table which the machine operation object system | strain selection part of the numerical control apparatus shown in FIG. 16 memorize | stores. The flowchart which shows the process of the machine operation target system | strain selection part of the numerical control apparatus shown in FIG. The time chart which shows operation | movement of each process module of the machine tool which the numerical control apparatus shown in FIG. 16 controls The figure which shows the machine operation data table updated in the time t1 of FIG. The figure which shows after the machine operation data table shown in FIG. 20 was updated in the time t1a of FIG. The figure which shows after the machine operation data table shown in FIG. 21 was updated in the time t2 of FIG. The figure which shows after the machine operation data table shown in FIG. 22 was updated in the time t3 of FIG. The block diagram which shows the structure of the processing equipment provided with the numerical control apparatus which concerns on Embodiment 4. FIG. The figure which shows the hardware constitutions of the numerical control apparatus which concerns on each embodiment The figure which shows an example of the hardware constitutions of the operation panel connected to the numerical control apparatus which concerns on each embodiment The figure which shows the other example of the hardware constitutions of the operation panel connected to the numerical control apparatus which concerns on each embodiment

  Hereinafter, a numerical controller according to an embodiment will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

Embodiment 1 FIG.
FIG. 1 is a block diagram illustrating a configuration of a processing facility including the numerical control device according to the first embodiment. FIG. 2 is a diagram showing a configuration of a first processing module of the machine tool of the processing equipment shown in FIG. FIG. 3 is a diagram showing a configuration of a second machining module of the machine tool of the machining equipment shown in FIG. FIG. 4 is a diagram showing the configuration of the third processing module and the fourth processing module of the machine tool of the processing equipment shown in FIG. FIG. 5 is a diagram showing a state in which the third machining module shown in FIG. 4 delivers the workpiece to the fourth machining module. FIG. 6 is a diagram illustrating a state in which the fourth machining module has transferred the workpiece from the third machining module illustrated in FIG. 5.

  A numerical control apparatus 1 according to Embodiment 1 constitutes a processing facility 2 shown in FIG. The processing equipment 2 includes a machine tool 3 that performs machining on the workpiece W shown in FIG. 2 made of metal, wood, stone, or resin, a numerical control device 1 that controls the machine tool 3, and a machine operation by an operator. And an operation panel 4 for inputting. In the first embodiment, the machine tool 3 is a numerically controlled machine tool in which machining is automated by numerical control. The numerical controller 1 controls the machine tool 3 by outputting a position command signal 100 to the machine tool 3 according to the operation mode when the operation panel 4 is operated by the operator. The position command signal 100 is a signal that commands the position of each part whose position is changed by the drive shaft of the machine tool 3. Further, the numerical control device 1 stores a machining program PG described by G code for controlling the machine tool 3.

  The operation panel 4 can switch the operation mode of the machine tool 3 to a manual operation mode, an MDI operation mode, and an automatic operation mode. The manual operation mode is a mode in which each part of the machine tool 3 is operated according to an operation received by the operation panel 4. The MDI operation mode is a mode for operating the machine tool 3 by executing the machining program PG line by line. The automatic operation mode is a mode in which the machine tool 3 is operated according to the machining program PG. In the first embodiment, the machine operation is the feed speed override in the automatic operation mode, but is not limited to the feed speed override. The feed speed override is a machine operation that corrects the feed operation of the drive shaft of the machine tool 3. The numerical control device 1 controls the machine tool 3 based on the machining program PG and the machine operation set on the operation panel 4 in the automatic operation mode.

  The machine tool 3 includes a plurality of processing modules 5 that control the system. The processing module 5 has a rotating main shaft. The plurality of machining modules 5 can be controlled independently of each other by the numerical controller 1 that executes the machining program PG. In the first embodiment, the machine tool 3 includes four processing modules 5. Hereinafter, when this processing module 5 distinguishes between the processing modules 5, it shows as the 1st processing module 5A, the 2nd processing module 5B, the 3rd processing module 5C, and the 4th processing module 5D. When the 5 is not distinguished from each other, the processing module 5 is simply indicated.

  The machine tool 3 outputs the position command signal 100 input from the numerical controller 1 to the processing modules 5A, 5B, 5C, and 5D. In the machine tool 3, the workpiece W is input and the workpiece W is discharged by a device such as a workpiece loading device and a workpiece discharging device (not shown). In addition, the machine tool 3 may be loaded by the operator and discharged by the operator.

  As shown in FIG. 2, the first machining module 5A includes a tool spindle 5A2 that rotates the tool 5A1 and a table 5A3 to which the workpiece W is attached. The first machining module 5A includes an X-axis moving unit 5A4 and a Y-axis movement for relatively moving the tool spindle 5A2 and the table 5A3 along three movement axes perpendicular to each other, the X axis, the Y axis, and the Z axis. Part 5A5 and Z-axis moving part 5A6. The X-axis moving unit 5A4, the Y-axis moving unit 5A5, and the Z-axis moving unit 5A6 include an electric motor that is a drive source, a lead screw that is rotated around the axis by the electric motor, a tool spindle 5A2 that is screwed into the lead screw. A nut attached to one of the tables 5A3 and a linear guide for guiding the relative movement direction of the tool spindle 5A2 and the table 5A3 are provided. In the first machining module 5A, the tool spindle 5A2 and the table 5A3 move relative to the X axis, the Y axis, and the Z axis in accordance with the position command signal 100 from the numerical controller 1.

  As shown in FIG. 3, the second machining module 5 </ b> B includes a turning spindle 5 </ b> B <b> 1 for attaching the workpiece W and a tool 5 </ b> B <b> 2 for machining the workpiece W. The second machining module 5B includes an X-axis moving unit 5B4 and a Y-axis moving unit that move the turning spindle 5B1 and the tool 5B2 relative to each other along three movement axes that are perpendicular to each other, the X axis, the Y axis, and the Z axis. 5B5 and Z-axis moving unit 5B6. The X-axis moving unit 5B4, the Y-axis moving unit 5B5, and the Z-axis moving unit 5B6 include an electric motor that is a drive source, a lead screw that is rotated around the axis by the electric motor, and a turning spindle 5B1 that is screwed into the lead screw. A nut attached to one of the tools 5B2 and a linear guide for guiding the relative movement direction of the turning spindle 5B1 and the tool 5B2. In the second machining module 5B, the turning spindle 5B1 and the tool 5A1 move relative to the X, Y, and Z axes in accordance with the position command signal 100 from the numerical controller 1.

  As shown in FIG. 4, the third machining module 5C and the fourth machining module 5D have the same configuration as the second machining module 5B. Therefore, the same reference numerals are given to the same parts as the second machining module 5B. Description is omitted. In the first embodiment, the third machining module 5C and the fourth machining module 5D are arranged so that the turning spindle 5B1 faces each other, the operations are synchronized, and the workpiece W is transferred. In the first embodiment, the third processing module 5C and the fourth processing module 5D, as shown in FIG. 4, after the third processing module 5C processes the workpiece W, as shown in FIG. The workpiece W is gripped by the fourth machining module 5D by bringing the fourth machining module 5D closer to the third machining module 5C. As shown in FIG. 6, the third machining module 5C and the fourth machining module 5D retract the fourth machining module 5D, thereby moving the workpiece W from the third machining module 5C to the fourth machining module 5D. Hand over. Note that the method for delivering the workpiece W is not limited to that shown in FIGS. 4 to 6, and the workpiece W is placed by placing a transfer device or an articulated robot between the processing modules 5 </ b> C and 5 </ b> D. You may hand it over. Note that the transport device is configured by a gantry loader. In the first embodiment, the third machining module 5C and the fourth machining module 5D are configured to deliver the workpiece W. However, the machine tool 3 includes at least the machining modules 5A, 5B, 5C, and 5D. In one configuration, the workpiece W may be delivered.

  Next, details of the numerical controller 1 will be described. FIG. 7 is a block diagram of an example of the configuration of the numerical control device according to the first embodiment. FIG. 8 is a diagram showing the configuration of the first machining program stored in the memory of the numerical controller shown in FIG. FIG. 9 is a diagram showing the configuration of the second machining program stored in the memory of the numerical controller shown in FIG.

  The numerical controller 1 is a multi-system numerical controller that controls a plurality of machining modules 5 based on the machining program PG. As shown in FIG. 7, the numerical control apparatus 1 includes a memory 10 that stores a machining program PG and a system processing unit 11 that is provided corresponding to each machining module 5. The numerical control device 1 has a program input control unit 12 that outputs a machining program PG to each system processing unit 11 and a machining module 5 that executes a machining program PG selected as a machine operation target received by the operation panel 4. And setting means 20 that validates the machine operation received by the operation panel 4. The numerical control device 1 controls each processing module 5 independently.

  In the first embodiment, the memory 10 stores two machining programs PG, but the number of machining programs PG stored in the memory 10 is not limited to two. In this specification, when the two machining programs PG are distinguished from each other, they are referred to as a first machining program PG1 and a second machining program PG2, and when they are not distinguished from each other, they are designated as a machining program PG.

  The machining program PG is a program for each machining module 5 to perform machining. The machining program PG describes how to move the tools 5A1 and 5B2 for machining the workpiece W by the machining module 5 according to a series of formats. In the first embodiment, the machining program PG is described using command codes called G codes as a series of formats.

  In the first embodiment, as shown in FIG. 8, the first machining program PG1 includes a first subprogram A1 describing how to move the tool of the first machining module 5A, and a second machining module 5B. And a second subprogram A2 describing how to move the tool. As shown in FIG. 9, the second machining program PG2 describes a third subprogram B3 describing how to move the tool of the third machining module 5C, and how to move the tool of the fourth machining module 5D. And the fourth subprogram B4. Each subprogram A1, A2, B3, B4 includes at least one block in which a command code is described. In the first embodiment, the block is composed of one line of command code.

  In the first embodiment, each of the subprograms A1, A2, B3, B4 describes a series of operations of the tools 5A1, 5B2 for machining one workpiece W, but each of the subprograms A1, A2, B3 is described. , B4 do not necessarily describe the operation of the tools 5A1, 5B2 related to the machining of one workpiece W. That is, the machining program PG may describe the operations of the tools 5A1 and 5B2 related to machining of a plurality of workpieces W. When machining of a plurality of workpieces W is described in one machining program PG, the machining program PG may be divided so that the machining operation is performed in units of workpieces W.

  In the numerical control apparatus 1 of the present invention, when machining a workpiece W, a process necessary for machining one workpiece W may be performed by only one machining module 5, and a plurality of machining modules 5 are used simultaneously. Processing may be performed. In addition, the numerical controller 1 according to Embodiment 1 of the present invention performs processing with one processing module 5, then delivers the workpiece W to another processing module 5, and performs processing with another processing module 5. Also good. The machining program PG is created in advance and stored in the memory 10 according to the process of machining the workpiece W.

  In addition, the machining program PG of the present invention may be stored in the memory 10 as a separate file for each machining module 5, and the operation contents of all the machining modules 5 are described in one file. You may describe so that operation | movement can be distinguished.

  The program input control unit 12 selects a machining program PG to be executed by each system processing unit 11 according to a predetermined machining order of the workpiece W, and determines whether each system processing unit 11 can accept the machining program PG. Is. The program input control unit 12 performs processing for outputting the machining program PG to each system processing unit 11, determines that the system processing unit 11 can accept the machining program PG, and transmits and waits for the machining program PG. Process to switch. When the program input control unit 12 determines that the system processing unit 11 can accept the machining program PG, the program input control unit 12 transmits the machining program PG to the system processing unit 11, and the system processing unit 11 cannot accept the machining program PG. If it judges, it will wait for transmission of processing program PG.

  In the first embodiment, the program input control unit 12 refers to the contents described in the subprograms A1, A2, B3, and B4 of the machining program PG, and determines that each machining module 5 can accept the machining program PG. Subprograms A1, A2, B3, and B4 corresponding to the machining modules 5 are transmitted. When the program input control unit 12 determines that the first machining module 5A is acceptable, the program input control unit 12 transmits the first subprogram A1 to the system processing unit 11 connected to the first machining module 5A, and the second When it is determined that the machining module 5B can accept the second machining module 5B, the second subprogram A2 is transmitted to the system processing unit 11 connected to the second machining module 5B. When the program input control unit 12 determines that the third machining module 5C is acceptable, the program input control unit 12 transmits the third subprogram B3 to the system processing unit 11 connected to the third machining module 5C. When it is determined that the machining module 5D can be accepted, the fourth subprogram B4 is transmitted to the system processing unit 11 connected to the fourth machining module 5D.

  When the machining program PG stored in the memory 10 is stored in a state of being divided into machining modules 5 units, the program input control unit 12 of the present invention processes each machining program PG in the corresponding system process. The process which transmits to the part 11 is performed. The program input control unit 12 according to the first embodiment of the present invention describes the operations of all the machining modules 5 in one file, that is, the machining program PG, and stores the machining program PG when stored in the memory 10. Is divided into programs for each machining module 5 and then transmitted to each system processing unit 11. The program input control unit 12 of the present invention describes the operations of all the machining modules 5 in one file, that is, the machining program PG, and stores the machining program PG for each machining module 5 when stored in the memory 10. Instead of dividing into operations, the machining program PG may be transmitted to all the system processors 11, and each system processor 11 may execute only the corresponding part of the machining program PG.

  The system processing unit 11 controls the corresponding machining module 5 based on the machining program PG input from the program input control unit 12. In the first embodiment, the system processing unit 11 is in one-to-one correspondence with the processing module 5. For this reason, the numerical control apparatus 1 can control the machining modules 5 independently by assigning the system processing unit 11 to each machining module 5.

  The system processing unit 11 performs processing for generating a position command signal 100 for each motor of the machining module 5 based on the description content of the machining program PG input from the program input control unit 12. The system processing unit 11 includes a program analysis processing unit that mainly reads the machining program PG and analyzes the machining program PG in order to generate a position command signal 100 for each motor, and an interpolation acceleration / deceleration processing unit. Based on the analysis result of the program analysis processing unit, the interpolation acceleration / deceleration processing unit performs interpolation acceleration / deceleration processing so that the specified feed speed is obtained with respect to the operation command described in the machining program PG. 100 is output to the processing module 5. As the program analysis processing unit and the interpolation acceleration / deceleration processing unit of the system processing unit 11, those known in the art are used.

  In addition, the system processing unit 11 performs processing based on a machine operation signal 300 that is a signal for executing a machine operation input from the operation panel 4. Specifically, when a cycle start signal is input as a machine operation from the operation panel 4, the system processing unit 11 outputs a position command signal 100 for simultaneously starting the operation of each processing module 5 to each processing module 5. . Further, when the feed speed override signal as a machine operation is input during the automatic operation mode in which the operation command described in the machining program PG is executed, the system processing unit 11 determines the position of the feed speed in consideration of the feed speed override signal. The command signal 100 is output to each machining module 5.

  Further, the system processing unit 11 sequentially determines whether or not the execution of the machining program PG is completed for each machining module 5. The system processing unit 11 accepts the machining program PG when the execution of the machining program PG is completed. Perform processing to enable. When the machining program PG is being executed or not yet executed, the system processing unit 11 performs a process in which the machining program PG is not accepted and a new machining program PG is not accepted.

  Further, the operation panel 4 outputs a machining program selection signal 301 that identifies the machining program PG selected as a machine operation target on the operation panel 4. The machining program selection signal 301 is one of the machine operation signals 300 output from the operation panel 4 when the operation panel 4 is operated. The machining program selection signal 301 is a signal that specifies one of the machining programs PG stored in the memory 10 of the numerical controller 1. The machining program selection signal 301 is a signal for specifying the machining program PG selected on the operation panel 4. The machining program selection signal 301 is a signal that specifies the name of the machining program PG, the number of the machining program PG, or a unique number of the machining program PG uniquely assigned by the numerical control device 1, which is given to the machining program PG. It is.

  The machining program selection signal 301 is a signal for specifying the machining program PG stored in the memory 10 when one machining program PG is stored in the memory 10 of the numerical controller 1. The machining program selection signal 301 indicates that there is no machining program PG to be operated when the machining program PG is not stored in the memory 10 or when an operation without selecting the machining program PG is performed on the operation panel 4. Is a signal that indicates that there is no selected machining program PG. When a plurality of machining programs PG are stored in the memory 10 of the numerical controller 1, the operation panel 4 is a machining program selection signal that identifies one of the machining programs PG stored in the memory 10 of the numerical controller 1. 301 is output.

  Further, the machining program selection signal 301 may be a signal that specifies a plurality of machining programs PG. In this case, the operation panel 4 outputs a plurality of machining program selection signals 301 that can specify the machining program PG. Further, the operation panel 4 outputs a machine operation signal 300 that specifies a machine operation to be executed by the machining module 5.

  The setting means 20 sets that the machine operation received by the operation panel 4 is valid for the machining module 5 that executes the machining program PG selected as the machine operation target received by the operation panel 4. is there. The setting means 20 causes the machining module 5 that executes the machining program PG specified by the machining program selection signal 301 input from the operation panel 4 to execute the machine operation specified by the machine operation signal 300 input from the operation panel 4.

  The setting means 20 includes a system processing selection unit 21 and a machine operation target system selection unit 22. The system processing selection unit 21 receives the operation panel 4 based on the machining program PG selected as the machine operation target received by the operation panel 4 and the contents of all the machining programs PG stored in the memory 10. The machining module 5 that executes the machining program PG selected as the machine operation target is extracted.

  Based on the content of the machining program PG stored in the memory 10 and the machining program selection signal 301 input from the operation panel 4, the system processing selection unit 21 is selected as a machine operation target accepted by the operation panel 4. The machining module 5 that executes the machining program PG is extracted. The system processing selection unit 21 outputs a use system number signal 130 that identifies the machining module 5 that executes the machining program PG selected as the machine operation target received by the operation panel 4. The system processing selection unit 21 outputs the used system number signal 130 to the machine operation target system selection unit 22.

  In the first embodiment, when the machining program selection signal 301 received from the operation panel 4 identifies the first machining program PG1, the system process selection unit 21 refers to the contents of the machining program PG stored in the memory 10. Then, the first machining module 5A and the second machining module 5B that execute the first machining program PG1 are extracted. The system processing selection unit 21 performs a process of outputting a use system number signal 130 that identifies the first processing module 5A and the second processing module 5B to the machine operation target system selection unit 22.

  In the first embodiment, when the machining program selection signal 301 input from the operation panel 4 by the system processing selection unit 21 specifies the second machining program PG2, the contents of the machining program PG stored in the memory 10 are referred to. Thus, the third machining module 5C and the fourth machining module 5D that execute the second machining program PG2 are extracted. The system processing selection unit 21 performs a process of outputting a use system number signal 130 for specifying the third processing module 5C and the fourth processing module 5D to the machine operation target system selection unit 22.

  Further, in the first embodiment of the present invention, the system processing selection unit 21 performs all machining when the machining program PG specified by the machining program selection signal 301 is executed by all the machining modules 5A, 5B, 5C, and 5D. A use system number signal 130 that identifies the modules 5A, 5B, 5C, and 5D is output. In addition, when the machining program PG specified by the machining program selection signal 301 is executed by the first machining module 5A and the second machining module 5B, the system processing selection unit 21 executes the first machining module 5A and the second machining module 5A. A use system number signal 130 for specifying the processing module 5B is output.

  The system processing selection unit 21 may include a program analysis processing unit for extracting the machining program PG, and may extract a system number used to execute the processing program PG from the analysis result of the program analysis processing unit. The determination may be made based on whether or not the machining module 5 is described in the machining program PG designated by the program selection signal 301.

  The machine operation target system selection unit 22 outputs the machine operation received by the operation panel 4 to the system processing unit 11 corresponding to the processing module 5 extracted by the system process selection unit 21. The machine operation target system selection unit 22 receives the use system number signal 130 output from the system processing selection unit 21 and the machine operation signal 300 output from the operation panel 4. The machine operation target system selection unit 22 outputs a machine operation signal 300 to the system processing unit 11 connected to the processing module 5 specified by the use system number signal 130.

  The machine operation target system selection unit 22 uses the processing system number signal 130 input from the system processing selection unit 21 and the machine operation signal 300 input from the operation panel 4 to specify the machining module specified by the system usage signal 130. 5 performs processing for outputting the machine operation signal 300. In the first embodiment, the machine operation signal 300 output from the operation panel 4 specifies a percentage with respect to the feed rate specified by the machining program PG. In the first embodiment, the machine operation signal 300 is a signal that specifies the value of the feed speed override. In the first embodiment, the machine operation target system selection unit 22 selects the first processing module 5A and the second processing module 5B when the used system number signal 130 input from the system processing selection unit 21 identifies the first processing module 5A and the second processing module 5B. The processing module 5A and the second processing module 5B are subjected to processing for changing the feed rate. Note that the machine operation target system selection unit 22 does not perform a process of changing the feed rate on the processing module 5 that is not specified by the use system number signal 130.

  When a plurality of machining programs PG are selected on the operation panel 4, the system processing selection unit 21 extracts the machining module 5 for each of the selected plurality of machining programs PG, and uses the system number signal 130. Is output. The machine operation target system selection unit 22 performs a process of outputting the machine operation signal 300 to all the processing modules 5 specified by the use system number signal 130. In this case, before the plurality of machining programs PG are selected, the numerical control device 1 selects the plurality of machining programs PG after the plurality of machining programs PG are selected, even if the feed rate override value differs for each machining module 5. The feed speed override value of the machining module 5 that executes the machined machining program PG is changed to the same value. When the machine operation specified by the machine operation signal 300 is a feed hold for stopping the feed operation, the machine operation target system selection unit 22 stops the feed operation of the machining module 5 that executes the selected machining program PG. .

  Next, a method for controlling each processing module 5 of the machine tool 3 by the numerical control device 1 according to the first embodiment will be described. FIG. 10 is a time chart showing the operation of each machining module of the machine tool controlled by the numerical control device shown in FIG. The horizontal axis in FIG. 10 indicates the elapsed time since the processing modules 5 started to execute operations simultaneously, and the vertical axis in FIG. 10 indicates each processing module 5. FIG. 10 shows subprograms A1, A2, B3, and B4 of the machining program PG executed by each machining module 5.

  FIG. 10 shows the first machining program PG1 for machining using the first machining module 5A and the second machining module 5B, and the machining using the third machining module 5C and the fourth machining module 5D. The case where the second machining program PG2 is operated simultaneously is shown, and the case where the respective machining programs PG1, PG2 are continuously executed a plurality of times is shown. FIG. 10 shows that the N-th machining in which the first subprogram A1 is executed N (N is a natural number) times is A1-N, the N-th machining in which the second subprogram A2 is executed N times is A2-N, The N-th machining that executes the third subprogram B3 N times is B3-N, and the N-th machining that executes the fourth subprogram B4 N times is B4-N.

  When the machine tool 3 performs the machining shown in FIG. 10, the numerical control device 1 selects the machine for the first machining module 5 </ b> A and the second machining module 5 </ b> B when the first machining program PG <b> 1 is selected at any timing. The input of the operation signal 300 is validated. Further, when the second machining program PG2 is selected, the numerical control device 1 validates the input of the machine operation signal 300 to the third machining module 5C and the fourth machining module 5D. As a result, the numerical controller 1 can enable the machine operation of the machining module 5 that executes the machining program PG selected from the operation panel 4.

  When the machining program PG is executed a plurality of times, the numerical controller 1 may return the machine operation signal 300 to the initial state every time the workpiece W is machined, and inherits the machine operation signal 300 used for the previous machining. You may do it. The numerical controller 1 may switch between returning the machine operation signal 300 to the initial state every time the workpiece W is machined and inheriting the machine operation signal 300 used for the previous machining.

  According to the numerical control device 1 of the first embodiment, the setting unit 20 that enables the machine operation to the machining module 5 that executes the selected machining program PG received by the operation panel 4 is provided. For this reason, the numerical control device 1 can easily perform the machine operation of the machining module 5 without being aware of the type of the workpiece W that each machining module 5 is machining by selecting the machining program PG. Can do. As a result, the numerical controller 1 can perform the machine operation without reducing the machining efficiency of the machine tool 3.

  Moreover, since the setting means 20 is provided with the system | strain process selection part 21 and the machine operation object system | strain selection part 22, the numerical control apparatus 1 can specify the process module 5 which performs the selected process program PG. As a result, the numerical controller 1 can perform the machine operation without reducing the machining efficiency of the machine tool 3.

  Further, the numerical control device 1 analyzes the machining program PG and selects the machining module 5 targeted for machine operation based on the relationship between the machining program PG and the machining module 5. As a result, the numerical controller 1 can obtain an effect that a safe operation can be performed without being aware of the type of the workpiece W performed in the machining module 5. Moreover, since the numerical control apparatus 1 can perform a machine operation on the specific processing module 5, there is an effect that the production can be continued without causing a decrease in productivity.

Embodiment 2. FIG.
Next, a numerical controller 1-2 according to Embodiment 2 will be described with reference to the drawings. FIG. 11 is a block diagram of an example of the configuration of the numerical control device according to the second embodiment. FIG. 12 is a diagram showing the configuration of the third machining program stored in the memory of the numerical controller shown in FIG. FIG. 13 is a diagram showing the configuration of the fourth machining program stored in the memory of the numerical controller shown in FIG. FIG. 14 is a time chart showing the operation of each machining module of the machine tool controlled by the numerical controller shown in FIG. FIG. 15 is a time chart when the third machining program and the fourth machining program are selected in the time chart shown in FIG. 11 to 15, the same parts as those in the first embodiment are denoted by the same reference numerals and the description thereof is omitted.

  The numerical controller 1 according to the first embodiment extracts the machining module 5 using the machining program PG specified by the machining program selection signal 301, and makes the machine operation effective for the extracted machining module 5. The numerical controller 1-2 according to the second embodiment extracts the machining module 5 as in the first embodiment, but is suitable when the machining module 5 used for machining the workpiece W changes from moment to moment. .

  The numerical controller 1-2 according to the second embodiment has the same configuration as that of the first embodiment except that the processing of the system processing selection unit 21-2 of the system processing unit 11-2 and the setting unit 20-2 is partially different. is there. Hereinafter, the numerical controller 1-2 according to the second embodiment will be described with a focus on differences from the first embodiment. In the second embodiment, when the system processing units 11-2 are distinguished from each other, the system processing unit 11-2 connected to the first processing module 5A is denoted by reference numeral "11A-2" The system processing unit 11-2 connected to the processing module 5B is indicated by reference numeral “11B-2”, the system processing unit 11-2 connected to the third processing module 5C is indicated by reference numeral “11C-2”, and the fourth The system processing unit 11-2 connected to the processing module 5D is denoted by reference numeral “11D-2”.

  As shown in FIG. 11, the memory 10 of the numerical control device 1-2 according to the second embodiment has a third machining program PG3 and a fourth machining program in addition to the first machining program PG1 and the second machining program PG2. The machining program PG4 is stored. As shown in FIG. 12, the third machining program PG3 describes a fifth subprogram C1 that describes how to move the tool of the first machining module 5A, and how to move the tool of the second machining module 5B. The sixth subprogram C2, the seventh subprogram C3 describing how to move the tool of the third machining module 5C, and the eighth subprogram describing how to move the tool of the fourth machining module 5D C4. As shown in FIG. 13, the fourth machining program PG4 describes the ninth subprogram D1 describing how to move the tool of the first machining module 5A and how to move the tool of the second machining module 5B. The tenth subprogram D2 and the eleventh subprogram D3 describing how to move the tool of the third machining module 5C are provided. Each of the subprograms C1, C2, C3, C4, D1, D2, and D3 includes at least one block in which a command code is described. In the second embodiment, the block is composed of one line of instruction code.

  In addition to the processing described in the first embodiment, the system processing unit 11-2 of the numerical control device 1-2 according to the second embodiment executes an execution program number signal 120 that is a signal that identifies the machining program PG being executed. Is output to the system processing selection unit 21-2 of the setting means 20. In addition to the process described in the first embodiment, the system processing unit 11-2 of the numerical control device 1-2 according to the second embodiment specifies the machining program PG being executed during the execution of the machining program PG. . The system processing unit 11-2 of the numerical control device 1-2 according to the second embodiment performs a process of outputting the execution program number signal 120 that identifies the machining program PG being executed to the system processing selecting unit 21-2.

  Note that the system processing unit 11-2 calls the subprograms A1, A2, B3, B4, C1, C2, C3, C4, D1, D2, and D3 from the machining program PG executed first, When executing the processing described in B3, B4, C1, C2, C3, C4, D1, D2, and D3, the execution program number signal 120 is sent to the subprograms A1, A2, B3, B4, C1, and the execution program. Not the information for specifying C2, C3, C4, D1, D2, D3, but the name of the machining program PG that is information for specifying the machining program PG, the number of the machining program PG, or the numerical control device 1-2 is unique. Shows an index to be given to the machining program PG. The system processing unit 11-2 stores the number of the machining program PG that is the caller in the memory 10 when calling the subprograms A1, A2, B3, B4, C1, C2, C3, C4, D1, D2, and D3. Thus, the machining program PG can be specified even when the subprograms A1, A2, B3, B4, C1, C2, C3, C4, D1, D2, and D3 are called a plurality of times.

  The execution program number signal 120 is the same information as the machining program selection signal 301 shown in the first embodiment, and specifies that the machining program PG is not executed when the machining program PG is not being executed.

  The setting means 20-2 of the numerical control device 1-2 according to the second embodiment has an operation panel for the machining module 5 that is executing the machining program PG selected as the machine operation target received by the operation panel 4. The machine operation accepted by 4 is set as valid. The setting means 20-2 of the numerical control device 1 according to the second embodiment operates the operation panel 4 with respect to the machining module 5 that is not executing the machining program PG selected as the machine operation target received by the operation panel 4. Sets the machine operation accepted by the to be invalid.

  The system processing selection unit 21-2 of the setting unit 20-2 of the numerical controller 1-2 according to the second embodiment includes a machining program selection signal 301 that is a signal for specifying the selected machining program PG, and a plurality of systems. Based on the execution program number signal 120 output by each of the processing units 11-2, the machining module 5 that is executing the machining program PG specified by the machining program selection signal 301 is extracted. The system process selection unit 21-2 outputs to the machine operation target system selection unit 22 a use system number signal 130 that specifies the machining module 5 that is executing the machining program PG specified by the machining program selection signal 301.

  The system processing selection unit 21-2 of the setting unit 20-2 of the numerical controller 1 according to the second embodiment is different from the first embodiment in that the machining program selection signal 301 input from the operation panel 4 and the system processing unit By monitoring the execution program number signal 120 input from 11-2, the processing module 5 that is executing the machining program PG specified by the machining program selection signal 301 is extracted. Specifically, the system processing selection unit 21-2 compares the machining program PG specified by the machining program selection signal 301 with the machining program PG specified by the execution program number signal 120. The system processing selection unit 21-2 extracts the system processing unit 11-2 that has output the execution program number signal 120 that specifies the machining program PG that matches the machining program PG specified by the machining program selection signal 301. The system processing selection unit 21-2 outputs the used system number signal 130 specified to the extracted system processing unit 11-2 to the machine operation target system selection unit 22. When there is no matching machining program PG, the system processing selection unit 21-2 outputs a used system number signal 130 that specifies that there is no machining module 5 that is executing the machining program PG, and selects a machine operation target system. The unit 22 does not perform the machine operation accepted by the operation panel 4.

  Next, a method in which the numerical control device 1-2 according to the second embodiment controls each processing module 5 of the machine tool 3 will be described. The horizontal axis of FIG. 14 shows the elapsed time since the processing modules 5 started to execute the operations simultaneously, and the vertical axis of FIG. 14 shows each processing module 5. FIG. 14 shows subprograms A1, A2, B3, B4, C1, C2, C3, C4, D1, D2, and D3 of the machining program PG executed by each machining module 5.

  FIGS. 14 and 15 show a state in which a plurality of workpieces W are machined in parallel by assigning the next machining program PG to the machining module 5 that is not machining and performing an operation. FIG. 14 shows a state in which the first machining module 5A starts executing the third machining program PG3 simultaneously with the start of execution of the second machining program PG2. 14 and 15 show that the first machining module 5A starts executing the fourth machining program PG4 after the machining of the first machining module 5A of the third machining program PG3 is completed. It shows that the workpiece W is processed in accordance with the processing sequence of the workpiece W. Further, FIG. 14 and FIG. 15 show a case where each machining program PG1, PG2, PG3, PG4 is continuously executed a plurality of times. FIGS. 14 and 15 show that the N-th machining in which the fifth subprogram C1 is executed N times is C1-N, the N-th machining in which the sixth subprogram C2 is executed N times is C2-N, and the seventh The N-th machining in which the subprogram C3 is executed N times is C3-N, the N-th machining in which the eighth subprogram C4 is executed N times is C4-N, and the ninth subprogram D1 is executed N times. This processing is D1-N, the N-th processing in which the tenth subprogram D2 is executed N times is D2-N, and the N-th processing in which the eleventh subprogram D3 is executed N times is D3-N.

  When the machine tool 3 performs the machining shown in FIGS. 14 and 15, the numerical control device 1-2 accepts that the operation panel 4 has selected the third machining program PG3 at the timing of time ta, and performs the machine operation. When accepted, the system processing unit 11A-2 outputs an execution program number signal 120 that specifies that the first processing module 5A is executing the third processing program PG3 to the system processing selecting unit 21-2. The system processing unit 11C-2 outputs an execution program number signal 120 that specifies that the third processing module 5C is executing the second processing program PG2 to the system processing selection unit 21-2. Further, the system processing unit 11B-2 and the system processing unit 11D-2 process the system processing selection unit 21-2 because the second processing module 5B and the fourth processing module 5D are not executing the processing program PG. An execution program number signal 120 for specifying that the program PG is not executed is output. As a result, the system processing selection unit 21-2 outputs a use system number signal 130 that identifies the first processing module 5A that is executing the third processing program PG3 to the machine operation target system selection unit 22. The machine operation target system selection unit 22 outputs the machine operation signal 300 received by the operation panel 4 to the first machining module 5A. Thus, the setting means 20-2 validates the input of the machine operation signal 300 to the first machining module 5A. As a result, the numerical controller 1-2 can enable the machine operation of the machining module 5 that is executing the machining program PG selected from the operation panel 4.

  In addition, when the numerical control device 1-2 accepts that the operation panel 4 selects the third machining program PG3 at the timing of the time tb and accepts the machine operation, the numerical control device 1-2 performs the same processing as the processing at the time ta. The input of the machine operation signal 300 to the second machining module 5B that is executing the third machining program PG3 is validated.

  Further, when the numerical control device 1-2 accepts that the operation panel 4 selects the third machining program PG3 at the timing of time tc and accepts a machine operation, the same processing as the processing at times ta and tb. To validate the input of the machine operation signal 300 to the third machining module 5C and the fourth machining module 5D that are executing the third machining program PG3.

  According to the numerical control device 1-2 according to the second embodiment, the setting unit 20-2 that makes the machine operation valid for the machining module 5 that is executing the selected machining program PG received by the operation panel 4 is provided. Prepare. The system processing selection unit 21-2 of the numerical control device 1-2 according to the second embodiment validates the machine operation according to the processing program PG executed by the processing module 5 connected to the system processing unit 11-2. The processing module 5 can be switched. As a result, the numerical controller 1 can easily perform the machine operation of the machining module 5 without being aware of the type of the workpiece W that each machining module 5 is machining.

  In the second embodiment, an example in which the third machining program PG3 is selected at all timings at times ta, tb, and tc has been described. However, the numerical control device 1-2 performs the timing at time tc. In this case, another machining program PG may be selected. When the fourth machining program PG4 is selected at the timing of time tc, the numerical control apparatus 1 receives the fourth machining program from the machining program selection signal 301 that specifies the third machining program PG3 at the timing of time tc. The machining program selection signal 301 for specifying PG4 is switched. Thereafter, the system process selection unit 21-2 outputs a use system number signal 130 that identifies the second processing module 5B that is executing the fourth processing program PG4. The machine operation target system selection unit 22 outputs the machine operation signal 300 received by the operation panel 4 to the second machining module 5B. In addition, the numerical control device 1-2 has predetermined machine operations for the third machining module 5C and the fourth machining module 5D that are executing the third machining program PG3 that is the machine operation target up to the time tc. Perform the operation to return to the state. The numerical control device 1 maintains the machine operation of each machining module 5 in a predetermined initial state when the machine operation due to the selection of the machining program PG is not performed.

  As described above, according to the numerical control device 1-2 according to the second embodiment, each system processing selection unit 21-2 executes the processing program PG that is being executed from the system processing unit 11-2. By inputting the program number signal 130, even when the machining program PG executed by each machining module 5 changes from moment to moment, only the machining module 5 that is executing the selected machining program PG can be operated. The effect that it is possible can be obtained. As a result, the numerical controller 1-2 can perform the machine operation without reducing the machining efficiency of the machine tool 3, as in the first embodiment.

Embodiment 3 FIG.
Next, a numerical controller 1-3 according to Embodiment 3 will be described with reference to the drawings. FIG. 16 is a block diagram of an example of the configuration of the numerical controller according to the third embodiment. FIG. 17 is a diagram illustrating an example of a machine operation data table stored in the machine operation target system selection unit of the numerical controller illustrated in FIG. 16. FIG. 18 is a flowchart showing the processing of the machine operation target system selection unit of the numerical controller shown in FIG. FIG. 19 is a time chart showing the operation of each machining module of the machine tool controlled by the numerical controller shown in FIG. FIG. 20 is a diagram showing a machine operation data table updated at time t1 in FIG. FIG. 21 is a diagram showing the state after the machine operation data table shown in FIG. 20 is updated at time t1a in FIG. FIG. 22 is a diagram showing the state after the machine operation data table shown in FIG. 21 is updated at time t2 in FIG. FIG. 23 is a diagram showing a state after the machine operation data table shown in FIG. 22 is updated at time t3 in FIG. 16 to 23, the same parts as those of the second embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  The numerical control device 1-2 according to the second embodiment sets the machining module 5 that validates the machine operation based on the execution program number signal 120 that identifies the machining program PG that each machining module 5 is executing. The numerical control device 1-3 according to the third embodiment stores the contents of the machine operation so that the machine operation performed on the workpiece W in the past in the state where the selection of the machining program PG has not been accepted. Continue to apply until processing is complete.

  The numerical control device 1-3 shown in FIG. 16 according to the third embodiment has the same configuration as that of the second embodiment except that the processing of the machine operation target system selection unit 22-3 of the setting unit 20-3 is partially different. is there. The machine operation target system selection unit 22-3 includes a machine operation data table 50 as shown in FIG. As shown in FIG. 17, the machine operation data table 50 stores the selected machining program PG and the contents of the executed machine operation in association with each machining module 5. The machine operation data table 50 associates the latest selected machining program PG for each machining module 5 with the contents of the machine operation executed. The machine operation target system selection unit 22-3 can hold information that associates the latest selected machining program PG for each machining module 5 with the contents of the machine operation executed.

  Similarly to the second embodiment, the machine operation target system selection unit 22-3 of the numerical controller 1-3 according to the third embodiment operates the machining module 5 that is executing the machining program PG received by the operation panel 4. The machine operation signal 300 received by the board 4 is output. The machine operation target system selection unit 22-3 of the numerical control device 1 according to the third embodiment is different from the first and second embodiments in a state where the operation panel 4 has not accepted the selection of the machining program PG. In addition to the use system number signal 130 and the machine operation signal 300, an execution program number signal 120 output from each system processing unit 11A-2, 11B-2, 11C-2, 11D-2 is input. The machine operation target system selection unit 22-3 stores the use system number signal 130, the machine operation signal 300, the execution program number signal 120, and the machine operation data table 50 in a state where the operation panel 4 has not received the selection of the machining program PG. Based on this, the machine operation of each processing module 5 is performed.

  As shown in FIG. 17, the machine operation data table 50 includes information for specifying the selected machining program PG, information for specifying the contents of the machine operation performed when the machining program PG is selected, and a machine operation signal 300. Is the data in the table format for associating with the machining module 5 that has output, and the latest operation history executed for each machining program PG is left. The initial state of the machine operation data table 50 is a state in which the contents of the machine operation in each processing module 5 are set in advance, and is initialized when the numerical controller 1-3 is turned on.

  Next, the processing of the machine operation target system selection unit 22-3 will be described using the flowchart shown in FIG.

  First, the machine operation target system selection unit 22-3 is executed from each system processing unit 11A-2, 11B-2, 11C-2, 11D-2 in a state where the operation panel 4 has not received selection of the machining program PG. A program number signal 120 is input (step ST1). Based on the acquired execution program number signal 120, the machine operation target system selection unit 22-3 uses the machine operation data table 50 for the machining module 5 that is executing any machining program PG. A takeover process of 300 is performed (step ST2).

  Specifically, the machine operation target system selection unit 22-3 identifies the execution program number signal 120 input from each system processing unit 11A-2, 11B-2, 11C-2, 11D-2 in step ST2. It is determined whether the machining program PG to be matched with the machining program PG stored in the machine operation data table 50. The machine operation target system selection unit 22-3 may store a machining program PG that matches the machining program PG specified by the execution program number signal 120 in the machine operation data table 50. In this case, the machine operation target system selection unit 22-3 associates the machine operation associated with the matched machining program PG with the machining module 5 executing the above-described matched machining program PG in the machine operation data table 50. Remember.

  The machine operation target system selection unit 22-3 stores the third processing program PG3 associated with the first processing module 5A in the machine operation data table 50, and the system processing units 11A-2 and 11B-2. The execution program number signal 120 input from may specify that the third machining program PG3 is being executed by the first machining module 5A and the second machining module 5B. In this case, since the machine operation is associated with the third machining program PG3 in the machine operation data table 50, the machine operation target system selection unit 22-3 stores the first machining module stored in the machine operation data table 50. The machine operation associated with 5A is stored in the machine operation data table 50 in association with the third machining program PG3 and the second machining module 5B.

  In addition, in step ST2, the machine operation target system selection unit 22-3 is identified by the execution program number signal 120 acquired from all the system processing units 11A-2, 11B-2, 11C-2, and 11D-2. When the program PG does not match the machining program PG stored in the machine operation data table 50, a process for returning all machining modules 5 to a predetermined operation state is performed.

  The machine operation target system selection unit 22-3 is configured such that the machining program PG specified by the execution program number signal 120 acquired from each system processing unit 11A-2, 11B-2, 11C-2, 11D-2 is machine operation data. An initialization process for returning to a predetermined operation state is performed on the machining module 5 that does not match the machining program PG stored in the table 50 (step ST3).

  Next, the machine operation target system selection unit 22-3 determines whether the operation panel 4 has received selection of the machining program PG (step ST4). In step ST4, when the operation panel 4 accepts the selection of the machining program PG, the machine operation target system selection unit 22-3 executes the machining program PG accepting the selection and the machining program PG accepting the selection. The process module 5 and the machine operation received by the operation panel 4 are associated with each other and stored in the machine operation data table 50. In this way, the machine operation target system selection unit 22-3 updates the machine operation data table 50 in step ST4. When the operation panel 4 has not received the selection of the machining program PG, the machine operation target system selection unit 22-3 maintains the stored machine operation data table 50 without updating the machine operation data table 50.

  Further, the machine operation target system selection unit 22-3 connects the machine operation associated with the machining program PG determined to be matched in step ST2 to the machining module 5 that is executing the above-described matched machining program PG. The data is output to the processing unit 11-2 (step ST5). The machine operation target system selection unit 22-3 outputs a preset machine operation signal 300 for the machine operation signals 300 that are not stored in the machine operation data table 50. In this way, the machine operation target system selection unit 22-3 is executing the output from the machine operation data table 50 by each of the plurality of system processing units 11-2 in a state where the operation panel 4 has not received the selection of the machining program PG. The machining program PG that matches the machining program PG is extracted, and the machine operation associated with the machining program PG that matches the machine operation data table 50 is output to the machining module 5 that is executing the matching machining program PG.

  By the above operation, the numerical control device 1-3 performs the machine operation received by the operation panel 4 on the machining module 5 that is executing the machining program PG received by the operation panel 4, as in the second embodiment. Valid. As a result, even when the machining program PG executed by each machining module 5 changes from moment to moment, the numerical control apparatus 1 can perform the machine operation only on the machining module 5 that is executing the selected machining program PG. The effect that can be obtained.

  Next, a method in which the numerical control device 1-3 according to the third embodiment controls each machining module 5 of the machine tool 3 will be described. As shown in FIG. 19, the numerical control device 1-3 according to the third embodiment causes each machining module 5 to execute the machining program PG, as in the second embodiment. FIG. 19 shows a case where the machine operation is performed at timings t1, t2, and t3. When the operation panel 4 accepts that the third machining program PG3 is selected at the timing of time t1 shown in FIG. 19 and accepts the machine operation, the numerical controller 1-3 receives the first operation as in the second embodiment. The machine operation is performed on the first machining module 5A that is executing the machining program PG3. Further, the numerical control device 1-3 accepts that the operation panel 4 has selected the fourth machining program PG4 at the timing of time t2 shown in FIG. Machine operation is performed on the first processing module 5A being executed. Further, the numerical controller 1-3 accepts that the operation panel 4 has selected the third machining program PG3 at the timing of time t3 shown in FIG. 19, and receives the machine operation, the third machining program PG3 is received. Machine operations are performed on the third processing module 5C and the fourth processing module 5D being executed.

  The numerical controller 1-3 sets the machine operation to be effective for the first machining module 5A that is executing the third machining program PG3 by the machine operation at the timing of the time t1, and FIG. As illustrated, the first machining module 5A, the third machining program PG3, and information indicating the contents of the machine operation are associated with each other and stored in the machine operation data table 50. In the third embodiment, the numerical controller 1-3 accepts a machine operation for setting the feed speed override to 80% when the third machining program PG3 is selected. In the third embodiment, the numerical controller 1-3 sends “PG3” that specifies the third machining program PG3 to the first machining module 5A of the machine operation data table 50 shown in FIG. “80%”, which is information specifying the speed override, is stored in association with each other. The numerical controller 1-3 does not store in the machine operation data table 50 the machine operation received by the operation panel 4 in a state where the selection of the machining program PG has not been received. Further, the numerical control device 1-3 does not update the information indicating the contents of the machine operation in the machining module 5 in which the machining program PG is not executed in the machine operation data table 50.

  In the numerical controller 1-3, at the timing of time t1a, the machining module 5 that is executing the third machining program PG3 becomes the first machining module 5A and the second machining module 5B. At this time, in the numerical controller 1-3, when the operation panel 4 is in a state of not accepting the selection of the machining program PG, the first machining module 5A and the second machining module 5B execute the third machining program PG3. Therefore, the machine operation associated with the first machining module 5A in the machine operation data table 50 is associated with the second machining module 5B and stored in the machine operation data table 50 as shown in FIG. The machine operation associated with the first machining module 5A in the machine operation data table 50 is output to the first machining module 5A and the second machining module 5B.

  Next, the numerical controller 1-3 is executing the third machining program PG3 while the operation panel 4 has not accepted the selection of the machining program PG at the timing of the time t1b. Only the module 5B is present, and the first machining module 5A enters the machining program PG in an unexecuted state. The numerical controller 1-3 performs a process of returning the information specifying the third machining program PG3 associated with the first machining module 5A in the machine operation data table 50 to a predetermined operation state.

  Further, the numerical control device 1-3 accepts that the fourth machining program PG4 is selected by the operation panel 4 at the timing of time t2, and when the machine operation is accepted, the numerical control device 1-3 is executing the fourth machining program PG4. Machine operation is performed on the first processing module 5A. As shown in FIG. 22, the numerical controller 1-3 associates the first machining module 5A, the fourth machining program PG4, and information indicating the contents of the machine operation with the machine at the timing of time t2. Store in the operation data table 50. In the third embodiment, the numerical controller 1-3 accepts a machine operation for setting the feed speed override to 60% when the fourth machining program PG4 is selected. In the third embodiment, the numerical controller 1-3 sends “PG4” that specifies the fourth machining program PG4 to the first machining module 5A of the machine operation data table 50 shown in FIG. “60%”, which is information specifying the speed override, is stored in association with each other. Further, the numerical control device 1-3 stores the second machining program PG2 in the machine operation data table 50 in association with the fourth machining module 5D at the timing of time t2.

  Finally, at the timing of time t3, the numerical control device 1-3 accepts that the operation panel 4 has selected the third machining program PG3, and when the machine operation is accepted, the third machining program PG3 is being executed. Machine operation is performed on the third processing module 5C and the fourth processing module 5D. As shown in FIG. 23, the numerical controller 1-3 shows the third machining module 5C, the fourth machining module 5D, the third machining program PG3, and the contents of the machine operation at the time t3. The information is stored in the machine operation data table 50 in association with the information. In the third embodiment, the numerical controller 1-3 accepts a machine operation for setting the feed speed override to 100% when the third machining program PG3 is selected. In the third embodiment, the numerical controller 1-3 specifies “PG3” as the third machining program PG3 in the third machining module 5C and the fourth machining module 5D of the machine operation data table 50 shown in FIG. And “100%”, which is information specifying the feed speed override, which is a machine operation, is stored in association with each other.

  As described above, according to the numerical controller 1-3 according to the third embodiment, the execution program number signal 120 that identifies the machining program PG being executed is received from each system processing unit 11-2, and the machining program is received. By storing the machine operation executed when PG is selected, it is possible to perform different machine operations by specifying the machining program PG for each workpiece W to be processed in parallel. It becomes. For this reason, the numerical controller 1-3 can perform the designated machine operation on the machining module 5 that is executing the selected machining program PG, and is conscious of the type of the workpiece W that is machined by each machining module 5. The effect that a safe operation can be performed can be obtained.

  Further, the numerical control device 1-3 stores the machine operation data table 50 so that the machine operation selected and executed by each machining program PG can be continuously applied until the machining program PG finishes machining. This makes it possible to maintain the surface quality by keeping the machining conditions constant.

  Further, in a state where the operation panel 4 has not accepted the selection of the machining program PG, the machine operation target system selection unit 22-3 stores the machine operation data table 50 in association with the machining program PG being executed by the machining module 5. The machine operation performed is output to all machining modules 5 that are executing the machining program PG associated with the machine operation. As a result, the numerical controller 1-3 is the same for all the machining modules 5 that are executing the machining program PG stored in the machine operation data table 50 in a state where the operation panel 4 has not accepted the selection of the machining program PG. Processing can be performed.

Embodiment 4 FIG.
Next, a numerical controller 1-4 according to Embodiment 4 will be described with reference to the drawings. FIG. 24 is a block diagram illustrating a configuration of a processing facility including the numerical control device according to the fourth embodiment. In FIG. 24, the same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  As shown in FIG. 24, the machining equipment 2-4 including the numerical control device 1-4 according to the fourth embodiment has the same configuration as that of the first embodiment except that a plurality of machine tools 3-4 that are independent of each other are provided. It is the structure same as the processing equipment 2-4 which concerns. The processing equipment 2-4 according to the fourth embodiment includes four machine tools 3-4 that are systems. Further, the numerical control device 1-4 included in the processing equipment 2-4 according to the fourth embodiment is any one of the numerical control devices 1, 1-2, and 1-3 according to the first to third embodiments. is there. The numerical control device 1-4 according to the fourth embodiment validates the machine operation for the machine tool 3-4 that executes the selected machining program PG, as in the first to third embodiments. Therefore, it can suppress that processing efficiency falls.

  Next, numerical control devices 1, 1-2, 1-3, and 1-4 according to the first to fourth embodiments will be described with reference to FIG. FIG. 25 is a diagram illustrating a hardware configuration of the numerical control device according to each embodiment. The numerical control devices 1, 1-2, 1-3, and 1-4 according to the embodiments are computers that execute a computer program on an OS (Operating System) 60, and as shown in FIG. A device 62, a storage device 63, a CPU (Central Processing Unit) 64, a RAM (Random Access Memory) 65, a ROM (Read Only Memory) 66, and a communication interface 67 are provided. The CPU 64, RAM 65, ROM 66, storage device 63, display device 62, and communication interface 67 are connected via the bus B.

  The functions of the program input control unit 12, the system processing units 11 and 11-2, the system processing selection units 21 and 21-2, and the machine operation target system selection units 22 and 22-3 are performed by the CPU 64 using the RAM 65 as a work area. However, it is realized by executing a program stored in the ROM 66 and the storage device 63. The program is realized by software, firmware, or a combination of software and firmware. In the first and second embodiments, the storage device 63 is an SSD (Solid State Drive) or an HDD (Hard Disk Drive), but the storage device 63 is not limited to an SSD or an HDD. The functions of the machine operation data table 50 of the machine operation target system selection unit 22-3 of the memory 10 and the numerical controller 1-3 according to Embodiment 3 are realized by the ROM 66 and the storage device 63.

  The display device 62 displays characters and images. In each embodiment, the display device 62 is exemplified by a liquid crystal display device. The communication interface 67 communicates with the operation panel 4, the processing module 5, and the machine tool 3.

  Next, the operation panel 4 connected to the numerical control devices 1, 1-2, 1-3, and 1-4 according to the first to fourth embodiments will be described with reference to FIGS. FIG. 26 is a diagram illustrating an example of a hardware configuration of an operation panel connected to the numerical control device according to each embodiment. FIG. 27 is a diagram illustrating another example of the hardware configuration of the operation panel connected to the numerical control device according to each embodiment.

  The operation panel 4 shown in FIG. 26 includes an input device 41, a processing circuit 42, and a communication interface 43. The input device 41 receives an operation input from a user. In the first to fourth embodiments, the input device 41 includes a plurality of on / off switches and dial switches. However, the configuration of the input device 41 is not limited to the plurality of on / off switches and dial switches.

  The processing circuit 42 is configured by dedicated hardware, that is, a logic circuit that converts an operation input of the input device 41 into a machining program selection signal 301 and a machine operation signal 300. The processing circuit 42 is configured by a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an application specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or a combination thereof. .

  The communication interface 43 communicates with the numerical control devices 1, 1-2, 1-3, 1-4. The communication interface 43 outputs a machining program selection signal 301 and a machine operation signal 300 to the numerical controllers 1, 1-2, 1-3, 1-4.

  The operation panel 4 shown in FIG. 27 includes an arithmetic device 42a and a memory 42b instead of the processing circuit 42 of the operation panel 4 shown in FIG. In FIG. 27, the same parts as those in FIG. The arithmetic device 42a converts the operation input of the input device 42a into the machining program selection signal 301 and the machine operation signal 300 by reading and executing the program stored in the memory 42b. The program stored in the memory 42b is realized by software, firmware, or a combination of software and firmware. The software and firmware are described as programs and stored in the memory 42b. It can be said that the program stored in the memory 42b causes the computer to execute the processing of the operation panel 4. Here, the arithmetic unit 42a is a central processing unit (CPU), a processing unit, a microprocessor, a microcomputer, a processor, or a digital signal processor (DSP). The memory 42b corresponds to a nonvolatile or volatile semiconductor memory, a magnetic disk, an optical disk, or a magneto-optical disk. The semiconductor memory is a RAM, ROM, flash memory, EPROM (Erasable Programmable Read Only Memory), or EEPROM (Electrically Erasable Programmable Read Only Memory).

  The configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.

  1, 1-2, 1-3, 1-4 Numerical control device, 3-4 Machine tool (system), 4 operation panel, 5, 5A, 5B, 5C, 5D Machining module (system), 11, 11-2 , 11A-2, 11B-2, 11C-2, 11D-2 System processing unit, 20, 20-2, 20-3 setting means, 21, 21-2 System processing selection unit, 22, 22-3 Machine operation target System selection unit, 120 execution program number signal (signal for specifying the machining program being executed), 50 machine operation data table, 300 machine operation signal (signal for executing machine operation), 301 machining program selection signal (selected machining) Program specifying signal), PG, PG1, PG2, PG3, PG4 Machining program.

Claims (5)

A multi-system numerical control device that controls a plurality of systems based on a machining program,
A numerical control apparatus comprising: setting means for validating a machine operation received by the operation panel for a system that executes a machining program selected as a machine operation target on the operation panel. Provided in correspondence with the system, comprising a plurality of system processing units for controlling the corresponding system based on the machining program,
The setting means includes
A system processing selection unit for extracting a system for executing the selected machining program based on a signal for identifying the selected machining program and the contents of all the machining programs;
A machine operation target system selection unit that outputs a signal for executing the machine operation accepted by the operation panel to a system processing unit corresponding to the system extracted by the system processing selection unit;
The numerical control apparatus according to claim 1, comprising: A multi-system numerical control device that controls a plurality of systems based on a machining program,
A numerical control apparatus comprising: setting means for validating a machine operation accepted by the operation panel for a system that is executing a machining program selected as a machine operation target on the operation panel. Provided in correspondence with the system, a plurality of system processing units for controlling the corresponding system based on the machining program and outputting a signal identifying the machining program being executed by the corresponding system,
The setting means includes
Based on a signal for identifying the selected machining program and a signal for identifying the machining program being executed output by each of the plurality of system processing units, a system that is executing the selected machining program is extracted. A system processing selection unit to
A machine operation target system selection unit that outputs a signal for executing the machine operation accepted by the operation panel to a system processing unit corresponding to the system extracted by the system processing selection unit;
The numerical control apparatus according to claim 3, further comprising: The machine operation target system selection unit,
A machine operation data table that stores the selected machining program and the executed machine operation in association with each other,
In a state where the operation panel has not accepted the selection of the machining program, a machining program that matches the running machining program output by each of the plurality of system processing units is extracted from the machine operation data table, The numerical control device according to claim 4, wherein a signal for executing the machine operation associated with the matching machining program in a data table is output to a system that is executing the matching machining program.

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