JPWO2018051435A1 - Numerical controller - Google Patents

Abstract

  It has an operation area that accepts input by gesture operation, and the operation area displays the command plane when the machine tool and the workpiece that is the workpiece of the machine tool are viewed from a specific direction, and the relative pinch operation An enlargement / reduction ratio calculation unit that calculates the enlargement / reduction ratio according to the operation amount, and a command unit for converting the operation amount of the drag operation input to the operation area based on the enlargement / reduction ratio into the operation amount of the drive unit of the machine tool And a movement amount generation unit that calculates a movement amount of the drive unit using the operation amount and command unit of the drag operation and outputs the movement amount to the machine tool.

Description

  The present invention relates to a numerical controller for controlling a machine tool.

  Conventionally, a numerical control device (hereinafter referred to as NC (Numerical Control) device as appropriate) performs a correction process on a machining command indicating a machining position and a machining speed described in a machining program, and generates a drive command. By controlling the machine tool, high-speed and high-precision machining is realized. An NC device that is equipped with a touch panel and controls a machine tool by a gesture operation is known.

  A machine tool equipped with an NC device is often operated using a handle when the machine is operated manually. However, there is a problem in that the operation by the handle requires the operation for each axis and the operability is poor.

  In recent years, interfaces using touch panels have become widespread, and it has become possible to operate objects using gesture operations. The gesture operation can be operated by inputting a drag operation on the object displayed on the touch panel, for example. The gesture operation can be performed intuitively and easily compared with the operation using the handle. Patent Document 1 describes a robot operation device that controls a robot by a gesture operation. The invention described in Patent Document 1 can improve the operability and reduce the time required for the operation by controlling the operation of the robot by a drag operation.

Japanese Patent Laying-Open No. 2015-83331

  Here, the operability of the NC device is improved by causing the machine tool to perform a desired operation with a simpler gesture operation. The NC device improves the operability by assigning highly relevant gesture operations to the operation of the machine tool, but further improvement in operability is desired.

  The present invention has been made in view of the above, and an object of the present invention is to provide a numerical control device that can intuitively operate a machine tool and improve the operability of the machine tool.

  In order to solve the above-described problems and achieve the object, a numerical control device according to the present invention has an operation area for receiving an input by a gesture operation, and the operation area includes a machine tool and a processing object of the machine tool. A touch panel that displays a command plane when a work is viewed from a specific direction, an enlargement / reduction ratio calculation unit that calculates an enlargement / reduction ratio according to the relative operation amount of the pinch operation, and the operation area based on the enlargement / reduction ratio A command unit determining unit that calculates a command unit for converting the operation amount of the drag operation input to the operation amount of the drive unit of the machine tool, and using the operation amount and the command unit of the drag operation. A movement amount generation unit that calculates a movement amount of the drive unit and outputs the movement amount to the machine tool.

  According to the present invention, it is possible to provide a numerical control device that can intuitively operate a machine tool and can improve the operability of the machine tool.

1 is a block diagram showing a configuration of a numerical control device according to a first embodiment. Explanatory drawing which showed the example of a display of the display with a touch panel of the numerical control apparatus which concerns on Embodiment 1. FIG. Explanatory drawing which showed an example of the command plane of the numerical control apparatus which concerns on Embodiment 1. Explanatory drawing which showed the other example of the command plane of the numerical control apparatus which concerns on Embodiment 1. FIG. Explanatory drawing which shows the operation example at the time of inputting pinch operation into the numerical control apparatus which concerns on Embodiment 1. FIG. Explanatory drawing which shows the operation example at the time of inputting drag operation into the numerical control apparatus which concerns on Embodiment 1. FIG. The flowchart which shows an example of the numerical control by the numerical control apparatus which concerns on Embodiment 1. Schematic configuration diagram showing a hardware configuration of the numerical control device according to the first embodiment A block diagram showing a configuration of a numerical control device according to a second embodiment. The flowchart which shows an example of the numerical control by the numerical control apparatus which concerns on Embodiment 2. A block diagram showing a configuration of a numerical control device according to a third embodiment. Explanatory drawing which shows the operation example at the time of inputting two-finger drag operation to the numerical control apparatus which concerns on Embodiment 3. FIG. The flowchart which shows an example of the numerical control by the numerical control apparatus which concerns on Embodiment 3.

  Hereinafter, a numerical controller according to an embodiment of the present invention will be described in detail with reference to the drawings. In addition, this invention is not limited by this embodiment.

Embodiment 1 FIG.
FIG. 1 is a block diagram showing the configuration of the numerical control apparatus 1 according to the first embodiment. FIG. 2 is an explanatory diagram illustrating a display example of the touch panel-equipped display 2 of the numerical control device 1 according to the first embodiment. FIG. 3 is an explanatory diagram showing an example of a command plane of the numerical control device 1 according to the first embodiment. FIG. 4 is an explanatory diagram showing another example of the command plane of the numerical control device 1 according to the first embodiment. FIG. 5 is an explanatory diagram illustrating an operation example when a pinch operation is input to the numerical control device 1 according to the first embodiment. FIG. 6 is an explanatory diagram illustrating an operation example when a drag operation is input to the numerical control device 1 according to the first embodiment. FIG. 7 is a flowchart illustrating an example of numerical control by the numerical control apparatus 1 according to the first embodiment. FIG. 8 is a schematic configuration diagram illustrating a hardware configuration of the numerical control device 1 according to the first embodiment. As illustrated in FIG. 1, the numerical control device 1 includes a touch panel display 2, a gesture operation determination unit 3, an enlargement / reduction rate calculation unit 4, a command unit determination unit 5, and a movement amount generation unit 6. . The numerical control device 1 is an NC device that outputs a movement amount that is a movement command value to the machine tool 100 in accordance with an input gesture operation. The movement amount is a command value that represents an operation amount that the drive unit 8 of the machine tool 100 described later operates during a unit cycle. The unit period is exemplified by the control period of the numerical control apparatus 1, but is not limited thereto. The gesture operation is, for example, a pinch operation, a drag operation, and a two-finger drag operation. The pinch operation is an operation of placing two fingers on the screen to narrow the interval between the two fingers (hereinafter referred to as pinch-in) and an operation of increasing the interval between the two fingers (hereinafter referred to as pinch-out). is there. The drag operation is an operation of sliding with one finger placed on the screen and releasing the finger from the screen at an arbitrary position. The two-finger drag operation is an operation of sliding with two fingers placed on the screen and releasing the two fingers from the screen at an arbitrary position. Machine tool 100 in the present embodiment includes control unit 7, drive unit 8, and tool 22. The control unit 7 is a control unit that controls the operation of the drive unit 8 according to the amount of movement. The control unit 7 is, for example, a servo amplifier. The drive unit 8 is a motor that drives the tool 22 in the X-axis, Y-axis, and Z-axis directions, for example. As shown in FIGS. 1 and 2, the tool 22 is a processing part of the machine tool 100 that processes the workpiece 23. The tool 22 is, for example, a drill, a milling cutter, or a cutting tool. The workpiece 23 is a processing object to be processed by the machine tool 100.

  The display device 2 with a touch panel is a touch panel as shown in FIG. A touch panel is a display provided with a position input function. The display 2 with a touch panel outputs a signal corresponding to the gesture operation to the gesture operation determination unit 3 when the operator inputs the gesture operation. The display device 2 with a touch panel includes an operation area 21 as shown in FIGS. The operation area 21 is an input unit that receives a gesture operation. The operation area 21 is an area where command planes 24ZX, 24XY, and 24YZ are displayed, as shown in FIGS. The command planes 24ZX, 24XY, and 24YZ are plan views of the tool 22 and the work 23 viewed from a specific direction. The command plane 24ZX is a plan view of the tool 22 and the work 23 as seen from the Y-axis direction, as shown in FIG. The command plane 24XY is a plan view of the tool 22 and the work 23 as viewed from the Z-axis direction, as shown in FIG. The command plane 24YZ is a plan view of the tool 22 and the work 23 as seen from the X-axis direction, as shown in FIG. The command planes 24ZX, 24XY, and 24YZ are switched and displayed by, for example, pressing a switch (not shown) included in the display 2 with a touch panel. The shape information and position information of the tool 22 and the work 23 displayed on the command planes 24ZX, 24XY, and 24YZ are preset by the operator. The shape information is, for example, CAD data of the tool 22 and the workpiece 23. The position information is, for example, coordinate information in the X-axis, Y-axis, and Z-axis directions of the tool 22 and the work 23 on the command planes 24ZX, 24XY, and 24YZ.

  Note that the shape information and position information of the tool 22 and the workpiece 23 are set in advance by the operator, but the present invention is not limited to this. The shape information and position information of the tool 22 and the workpiece 23 include, for example, an optical device that the numerical control device 1 photographs the tool 22 and the workpiece 23, and an image processing unit that analyzes an image captured by the optical device. The processing unit may be configured to acquire and set the shape information and position information of the tool 22 and the workpiece 23 by analyzing the image of the optical device.

  The display 2 with a touch panel displays the command planes 24ZX, 24XY, and 24YZ in a size corresponding to the enlargement / reduction ratio when the enlargement / reduction ratio information is input from the enlargement / reduction ratio calculation unit 4. Here, the enlargement / reduction ratio is a ratio of the size to the reference display size of the command planes 24ZX, 24XY, 24YZ. For example, when the enlargement / reduction ratio input from the enlargement / reduction ratio calculation unit 4 is 2, the display device with a touch panel 2 displays the command planes 24ZX, 24XY, and 24YZ in a size that is twice the reference display size. It is displayed in the operation area 21.

  As shown in FIG. 1, the gesture operation determination unit 3 analyzes a signal input from the display 2 with a touch panel and determines the type of gesture operation input to the display 2 with a touch panel. When it is determined that the gesture operation is a pinch operation, the gesture operation determination unit 3 outputs the relative operation amount of the pinch operation to the enlargement / reduction ratio calculation unit 4. When it is determined that the gesture operation is a drag operation, the gesture operation determination unit 3 outputs the operation amount of the drag operation to the movement amount generation unit 6 for each control cycle. For example, when the command plane 24ZX is displayed in the operation area 21, as shown in FIG. 6, the operation amount of the drag operation is a position where the finger is released from the screen on the basis of the position P1 where the finger is placed on the screen. This is the distance of sliding in the Z-axis direction and the X-axis direction up to P2. When the command plane 24XY is displayed in the operation area 21, the operation amount of the drag operation is the distance of sliding in the X-axis direction and the Y-axis direction to the position where the finger is released from the screen on the basis of the position where the finger is placed on the screen. It is. When the command plane 24YZ is displayed in the operation area 21, the operation amount of the drag operation is the distance of sliding in the Y-axis direction and the Z-axis direction to the position where the finger is released from the screen based on the position where the finger is placed on the screen. It is.

  As shown in FIG. 5, the enlargement / reduction ratio calculation unit 4 calculates the enlargement / reduction ratio based on the relative operation amount of the pinch operation input from the gesture operation determination unit 3. As shown in FIG. 1, the enlargement / reduction ratio calculation unit 4 outputs the enlargement / reduction ratio to the display 2 with a touch panel and the command unit determination unit 5.

  As shown in FIG. 1, the command unit determination unit 5 calculates a command unit according to the expansion / contraction rate input from the expansion / contraction rate calculation unit 4. Here, the command unit is a conversion coefficient for converting the operation amount of the drag operation into the movement amount output to the control unit 7 of the machine tool 100. For example, when the scaling ratio is 1, the command unit is 10. That is, the command unit is, for example, a conversion coefficient for converting the operation amount of the drag operation into a movement amount of 100 cm when the enlargement / reduction ratio is 1 and the operation amount of the drag operation is 10 cm. For example, the command unit determination unit 5 doubles the command unit when the scaling ratio changes from 1 to 0.5. Specifically, the command unit determination unit 5 converts the command unit to double when the size of the command planes 24ZX, 24XY, and 24YZ is reduced to ½ by a pinch-in operation. For example, when the scaling ratio changes from 1 to 2, the command unit determining unit 5 halves the command unit. Specifically, the command unit determination unit 5 converts the command unit to ½ when the size of the command planes 24ZX, 24XY, and 24YZ is doubled by a pinch-out operation. The command unit determination unit 5 outputs the command unit to the movement amount generation unit 6.

  As shown in FIG. 1, the movement amount generation unit 6 calculates the movement amount for each control period from the product of the operation amount of the drag operation input from the gesture operation determination unit 3 and the command unit input from the command unit determination unit 5. To calculate. The movement amount generation unit 6 outputs the calculated movement amount to the control unit 7. For example, the control unit 7 drives the tool 22 in the X-axis, Y-axis, and Z-axis directions based on the movement amount input from the movement amount generation unit 6.

  When the function of the numerical control device 1 is realized by software, the numerical control device 1 includes a processor and a memory. The functions of the gesture operation determination unit 3, the enlargement / reduction ratio calculation unit 4, the command unit determination unit 5, and the movement amount generation unit 6 included in the numerical control device 1 are realized by a processor. The processor is also referred to as a CPU (Central Processing Unit), a processing device, an arithmetic device, a microprocessor, a microcomputer, or a DSP (Digital Signal Processor).

  In this case, the functions of the gesture operation determination unit 3, the enlargement / reduction ratio calculation unit 4, the command unit determination unit 5, and the movement amount generation unit 6 are realized by software, firmware, or a combination of software and firmware. Software and firmware are described as programs and stored in a memory. The processor implements the functions of the gesture operation determination unit 3, the enlargement / reduction ratio calculation unit 4, the command unit determination unit 5, and the movement amount generation unit 6 by reading and executing a program stored in the memory. These programs can be said to cause the computer to execute the procedures executed by the gesture operation determination unit 3, the expansion / contraction rate calculation unit 4, the command unit determination unit 5, and the movement amount generation unit 6.

  Memory is volatile or non-volatile semiconductor memory such as RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable Read Only Memory), and EEPROM (Electrically Erasable Programmable Read Only Memory), magnetic Discs, flexible discs, optical discs, compact discs, mini discs, and DVDs (Digital Versatile Discs) are applicable.

  The functions of the gesture operation determination unit 3, the enlargement / reduction ratio calculation unit 4, the command unit determination unit 5, and the movement amount generation unit 6 included in the numerical control device 1 may be realized by a processing circuit. The processing circuit is dedicated hardware for realizing the functions of the gesture operation determination unit 3, the enlargement / reduction ratio calculation unit 4, the command unit determination unit 5, and the movement amount generation unit 6. The processing circuit corresponds to 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. Different functions may be realized for the respective functions of the gesture operation determination unit 3, the enlargement / reduction ratio calculation unit 4, the command unit determination unit 5, and the movement amount generation unit 6. It may be realized.

  Each of the functions of the gesture operation determination unit 3, the enlargement / reduction ratio calculation unit 4, the command unit determination unit 5, and the movement amount generation unit 6 is partially realized by dedicated hardware and partially realized by software or firmware. Good. As described above, the numerical control device 1 realizes the functions of the gesture operation determination unit 3, the enlargement / reduction rate calculation unit 4, the command unit determination unit 5, and the movement amount generation unit 6 by hardware, software, firmware, or a combination thereof. can do.

  Next, an example of a method for operating the machine tool 100 using the numerical control device 1 according to the first embodiment will be described with reference to FIGS. 5 and 6. In the following description, an operation method when the command plane 24ZX is displayed in the operation area 21 will be described. The operation method when the command plane 24XY or the command plane 24YZ is displayed in the operation area 21 is the same as that when the command plane 24ZX is displayed in the operation area 21, and thus the description thereof is omitted.

  As shown in FIG. 5, the operator performs a pinch-in operation when reducing the command plane 24ZX. The numerical controller 1 reduces and displays the command plane 24ZX based on the relative operation amount of the pinch-in operation. The numerical controller 1 calculates the enlargement / reduction ratio based on the relative operation amount of the pinch-in operation. By such an operation method, the command plane 24ZX can be reduced by narrowing the interval between two fingers. As a result, the command plane 24ZX can be reduced and displayed by an intuitive operation.

  The operator performs a pinch-out operation when enlarging the command plane 24ZX. The numerical controller 1 enlarges and displays the command plane 24ZX based on the relative operation amount of the pinch-out operation. The numerical controller 1 calculates the enlargement / reduction ratio based on the relative operation amount of the pinch-out operation. By such an operation method, the command plane 24ZX can be enlarged by widening the interval between two fingers. As a result, the command plane 24ZX can be enlarged and displayed by an intuitive operation.

  As shown in FIG. 6, the worker performs a drag operation when moving the tool 22 of the machine tool 100. More specifically, first, the operator touches the position P1 of the tool 22 displayed in the operation area 21 with one finger. Thereby, the worker specifies that the operation target is the tool 22. Next, the operator moves the one finger from the position P1 to the position P2 with one finger touching the operation area 21. The position P2 is a position to which the tool 22 is moved. An arrow 26 shown in FIG. 6 indicates a trajectory in which one finger moves on the operation area 21 from the position P1 to the position P2. Next, the worker releases one finger from the position P2. The numerical control device 1 calculates the movement amount for each control cycle from the product of the operation amount of the drag operation and the command unit. The numerical controller 1 outputs the movement amount to the machine tool 100. Machine tool 100 moves tool 22 from position P1 to position P2 at a speed based on the amount of movement. With such an operation method, the tool 22 can be moved in the Z-axis direction and the X-axis direction by a single operation. As a result, it is possible to operate the tool 22 intuitively and easily compared to the case where the tool 22 is operated and moved for each axis.

  Note that the operation target is specified by the operator touching with one finger, but is not limited thereto. For example, the operator may specify the operation target by single-tapping the operation target. Here, the single tap is an operation of placing one finger on the screen and releasing it.

  FIG. 7 is a flowchart illustrating an example of numerical control by the numerical control apparatus 1 according to the first embodiment. Next, processing of the numerical controller 1 according to the first embodiment will be described with reference to FIGS. 1 and 7.

  As shown in FIGS. 1 and 7, the gesture operation determination unit 3 determines the type of gesture operation when the gesture operation is input to the display 2 with a touch panel (step S11).

  The gesture operation determination unit 3 outputs the relative operation amount of the pinch operation to the enlargement / reduction ratio calculation unit 4 when the type of the gesture operation is a pinch operation. The enlargement / reduction ratio calculation unit 4 calculates the enlargement / reduction ratio according to the relative operation amount of the pinch operation (step S12).

  The enlargement / reduction ratio calculation unit 4 outputs the enlargement / reduction ratio to the display 2 with a touch panel. The display device with a touch panel 2 enlarges / reduces the screen display based on the enlargement / reduction ratio (step S13).

  The enlargement / reduction ratio calculation unit 4 outputs the enlargement / reduction ratio to the command unit determination unit 5. The command unit determination unit 5 calculates a command unit according to the enlargement / reduction ratio. The command unit determination unit 5 outputs the calculated command unit to the movement amount generation unit 6 (step S14).

  The gesture operation determination unit 3 outputs the operation amount of the drag operation to the movement amount generation unit 6 when the type of the gesture operation is a drag operation. The movement amount generator 6 calculates the movement amount based on the operation amount of the drag operation and the command unit (step S15).

  The movement amount generation unit 6 outputs the calculated movement amount to the control unit 7 of the machine tool 100 (step S16).

  In the numerical control device 1, the display 2 with a touch panel outputs a signal corresponding to the gesture operation to the gesture operation determination unit 3. When the gesture operation is a drag operation, the gesture operation determination unit 3 moves the operation amount of the drag operation. Output to the quantity generator 6. In the numerical control device 1, when the gesture operation is a pinch operation, the gesture operation determination unit 3 outputs the relative operation amount of the pinch operation to the enlargement / reduction rate calculation unit 4, and the enlargement / reduction rate calculation unit 4 performs the relative operation of the pinch operation. The expansion / contraction rate corresponding to the amount is calculated. In the numerical control apparatus 1, the command unit determination unit 5 adjusts the command unit based on the enlargement / reduction ratio, and the movement amount generation unit 6 gives the movement amount obtained from the product of the drag operation amount and the command unit to the machine tool 100. Output. As a result of such processing, when the distance between the tool 22 and the work 23 is long, the command planes 24ZX, 24XY, and 24YZ displayed in the operation area 21 are reduced and the command unit is increased by performing a pinch-in operation. Can be performed simultaneously. Further, when the distance between the tool 22 and the work 23 is short, the command planes 24ZX, 24XY, and 24YZ displayed in the operation area 21 can be enlarged and the command unit can be reduced simultaneously by performing a pinch-out operation. . As a result, the operation area 21 can be enlarged / reduced and a command unit suitable for the enlargement / reduction ratio of the operation area 21 can be set by a single pinch operation. It can be operated at a moving speed suitable for. As a result, the machine tool 100 can be operated with a simple and intuitive operation, and the operability of the machine tool 100 can be improved.

  Further, since the numerical control device 1 can change the command unit based on the enlargement / reduction ratio by the pinch operation, when the tool 22 and the work 23 are separated, the operation area 21 is reduced and moved at a high speed. Can do. Further, the numerical control device 1 can enlarge the operation area 21 and move it at a slow speed when the tool 22 and the work 23 are close to each other. Thus, the numerical control device 1 can change the moving speed of the tool 22 with respect to the operation amount of the drag operation by a simple and intuitive operation according to the situation.

Embodiment 2. FIG.
FIG. 9 is a block diagram illustrating a configuration of the numerical control device 1a according to the second embodiment. FIG. 10 is a flowchart illustrating an example of numerical control by the numerical control device 1a according to the second embodiment. In the description of the numerical control device 1a, the same reference numerals as those of the numerical control device 1 are used for the same configuration as the numerical control device 1, and detailed description thereof is omitted. The numerical controller 1 a includes a position update unit 41 a and a speed limit determination unit 42 a, and includes a touch panel-equipped display 2 a instead of the touch panel-equipped display 2 and replaces the movement amount generation unit 6. The numerical control device 1 is the same as the numerical control device 1 according to the first embodiment except that the movement amount generation unit 6a is provided.

  As shown in FIG. 9, the numerical controller 1a includes a touch panel display 2a, a gesture operation determination unit 3, an enlargement / reduction ratio calculation unit 4, a command unit determination unit 5, a position update unit 41a, and a speed limit determination. Unit 42a and a movement amount generation unit 6a.

  The touch panel display 2a is the same as the touch panel display 2 except that the speed limit area is output to the speed limit determination unit 42a and the speed limit is output to the movement amount generation unit 6a. Here, the speed limit area is position information indicating, for example, a region where an object inside or outside the machine tool may interfere with the tool 22, the vicinity of the stroke limit of the tool 22, and the vicinity of the workpiece 23. Here, the speed limit is a speed limit value of the tool 22 when the tool 22 is located in the speed limit area. The speed limit area and the speed limit are preset by the operator. The touch panel-equipped display 2a outputs the speed limit area to the speed limit determination unit 42a. The touch panel display 2a outputs the speed limit to the movement amount generation unit 6a.

  The position update unit 41a receives the movement amount for each control cycle calculated by the movement amount generation unit 6a. The position update unit 41a integrates the movement amount input from the movement amount generation unit 6a. The position update unit 41a calculates the current position information of the tool 22 from the integrated value of the movement amount. Hereinafter, the current position information of the tool 22 is appropriately referred to as a current position. The position update unit 41a outputs the current position to the speed limit determination unit 42a.

  The speed limit determination unit 42a compares the current position input from the position update unit 41a with the speed limit area input from the touch panel-equipped display 2a, and determines whether the tool 22 is located in the speed limit area. judge. When it is determined that the tool 22 is located in the speed limit area, the speed limit determination unit 42a outputs a speed limit determination signal to the movement amount generation unit 6a.

  The movement amount generation unit 6a is the same as the movement amount generation unit 6 except that the movement amount generation unit 6a adjusts the movement amount for each control period when a speed limit determination signal is input. The movement amount generation unit 6a determines whether or not the current movement speed of the tool 22 exceeds the limit speed when a speed limit determination signal is input from the speed limit determination unit 42a. Specifically, the movement amount generation unit 6a calculates the current movement speed of the tool 22 from the movement amount calculated for each control cycle. The movement amount generation unit 6a compares the current movement speed of the tool 22 with the speed limit input from the display 2a with a touch panel, and determines whether or not the current movement speed of the tool 22 exceeds the speed limit. To do. When it is determined that the current movement speed of the tool 22 exceeds the limit speed, the movement amount generation unit 6a corrects the movement amount so that the movement speed of the tool 22 becomes the limit speed. That is, the upper limit value of the movement amount for each control cycle is calculated from the product of the speed limit and the control cycle, and the current movement amount is adjusted to be equal to or less than the upper limit value of the movement amount for each control cycle.

  Next, processing of the numerical control device 1a according to the second embodiment will be described. FIG. 10 is a flowchart illustrating an example of numerical control by the numerical control device 1a according to the second embodiment. The numerical control device 1a according to the second embodiment is the same as the numerical control device 1 according to the first embodiment with respect to step S11, step S12, step S13, and step S14. Therefore, the same steps as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  As shown in FIGS. 9 and 10, the gesture operation determination unit 3 outputs the operation amount of the drag operation to the movement amount generation unit 6a when the type of the gesture operation is a drag operation. The movement amount generation unit 6a calculates the movement amount based on the operation amount of the drag operation and the command unit (step S21).

  The movement amount generation unit 6a outputs the calculated movement amount to the control unit 7 of the machine tool 100 (step S22).

  The position update unit 41a integrates the movement amount input from the movement amount generation unit 6a. The position update unit 41a calculates the current position information of the tool 22 from the integrated value of the movement amount (step S23).

  The speed limit determination unit 42a compares the current position of the tool 22 with the speed limit area, and determines whether or not the tool 22 is located in the speed limit area. When it is determined that the tool 22 is located in the speed limit area, the speed limit determination unit 42a outputs a speed limit determination signal to the movement amount generation unit 6a. The movement amount generation unit 6a determines whether or not the current movement speed of the tool 22 exceeds the limit speed when the speed limit determination signal is input from the speed limit determination unit 42a (step S24).

  When the movement amount generation unit 6a determines that the tool 22 is located in the speed limit area and the movement speed of the tool 22 exceeds the speed limit, the movement speed of the tool 22 becomes the speed limit. The movement amount is corrected to (step S25).

  In the numerical controller 1a, the position update unit 41a calculates the current position by integrating the movement amount for each control cycle, the speed limit determination unit 42a compares the current position with the speed limit area, and the current position is the speed limit area. If it is determined that the position is within, a speed limit determination signal is output to the movement amount generation unit 6a, and the movement amount generation unit 6a corrects the movement amount so that the movement speed of the tool 22 is less than or equal to the limit speed. To do. By such processing, it is possible to automatically detect that the tool 22 is located in an area where there is a possibility of interference with an object inside or outside the machine tool, and to automatically decelerate the moving speed of the tool 22 below the limit speed, The occurrence of contact between the tool 22 and an object inside or outside the machine tool can be suppressed. Further, it is possible to automatically detect that the tool 22 is positioned in the vicinity of the work 23 and to automatically decelerate the moving speed of the tool 22 to a speed limit or less. As a result, it is possible to prevent the work 23 from being damaged even when the operator inputs an incorrect operation to the numerical control device 1a.

Embodiment 3 FIG.
FIG. 11 is a block diagram illustrating a configuration of the numerical control device 1b according to the third embodiment. FIG. 12 is an explanatory diagram illustrating an operation example when a two-finger drag operation is input to the numerical control device 1b according to the third embodiment. FIG. 13 is a flowchart illustrating an example of numerical control by the numerical control device according to the third embodiment. In the description of the numerical control device 1b, the same reference numerals as those of the numerical control device 1 are used for the same configuration as the numerical control device 1, and the detailed description thereof is omitted. The numerical control device 1b is the same as the numerical control device 1 according to the first embodiment except that the numerical control device 1b includes a movement plane determination unit 51b and a gesture operation determination unit 3b instead of the gesture operation determination unit 3. It is.

  As illustrated in FIG. 11, the numerical control device 1 b includes a touch panel display 2, a gesture operation determination unit 3 b, an enlargement / reduction ratio calculation unit 4, a command unit determination unit 5, a movement amount generation unit 6, and a movement plane. And a determination unit 51b.

  When the gesture operation determination unit 3b determines that the gesture operation is a two-finger drag operation, the gesture operation determination unit 3b and the gesture operation determination unit 3 except that information on the direction of the two-finger drag operation is output to the movement plane determination unit 51b. The same. Here, the direction of the two-finger drag operation is a direction from the position where the two fingers are placed on the screen to the position where the two fingers are released in the two-finger drag operation. The gesture operation determination unit 3b determines whether the direction of the two-finger drag operation is the vertical direction or the horizontal direction, and outputs the determination result to the movement plane determination unit 51b. The vertical direction is the vertical direction of the display 2 with a touch panel as shown in FIG. A horizontal direction is the left-right direction of the display 2 with a touch panel, as shown in FIG.

  As shown in FIG. 12, the movement plane determination unit 51b displays the command plane 24ZX, the command plane 24XY, and the command plane 24YZ according to the information on the direction of the two-finger drag operation input from the gesture operation determination unit 3b. Switch. Specifically, the movement plane determination unit 51b switches the command plane 24ZX to the command plane 24XY when the command plane 24ZX is displayed in the operation area 21 and a vertical signal is input from the gesture operation determination unit 3b. When the command plane 24ZX is displayed in the operation area 21 and a lateral signal is input from the gesture operation determination unit 3b, the movement plane determination unit 51b switches the command plane 24ZX to the command plane 24YZ. The movement plane determination unit 51b switches the command plane 24XY to the command plane 24ZX when the command plane 24XY is displayed in the operation area 21 and a vertical signal is input from the gesture operation determination unit 3b. The movement plane determination unit 51b switches the command plane 24XY to the command plane 24YZ when the command plane 24XY is displayed in the operation area 21 and a lateral signal is input from the gesture operation determination unit 3b. The movement plane determination unit 51b switches the command plane 24YZ to the command plane 24XY when the command plane 24YZ is displayed in the operation area 21 and a vertical signal is input from the gesture operation determination unit 3b. The movement plane determination unit 51b switches the command plane 24YZ to the command plane 24ZX when the command plane 24YZ is displayed in the operation area 21 and a lateral signal is input from the gesture operation determination unit 3b.

  Next, processing of the numerical controller 1b according to Embodiment 3 will be described. FIG. 13 is a flowchart illustrating an example of numerical control by the numerical control device 1b according to the third embodiment. The processing of the numerical control device 1b according to the third embodiment is the same as the numerical control device 1 according to the first embodiment with respect to step S11, step S12, step S13, step S14, step S15, and step S16. is there. Therefore, description of the same steps as those in Embodiment 1 is omitted. Here, in the flowchart shown in FIG. 13, a two-finger drag operation is input to the display 2 with a touch panel, and the gesture operation determination unit 3b outputs information on the direction of the two-finger drag operation to the movement plane determination unit 51b. The subsequent processing is shown.

  As illustrated in FIG. 13, the movement plane determination unit 51b determines whether or not the direction of the two-finger drag operation is the horizontal direction (step S31). When the direction of the two-finger drag operation is the horizontal direction, the movement plane determination unit 51b determines whether or not the currently displayed command plane is the command plane 24XY (step S32). The movement plane determination unit 51b switches the command plane 24XY to the command plane 24YZ when it is determined that the direction of the two-finger drag operation is the horizontal direction and the currently displayed command plane is the command plane 24XY. (Step S33).

  When the movement plane determination unit 51b determines that the direction of the two-finger drag operation is the horizontal direction and the currently displayed command plane is not the command plane 24XY, the currently displayed command plane is the command It is determined whether or not the plane is 24YZ (step S34). When it is determined that the two-finger drag is in the horizontal direction and the currently displayed command plane is the command plane 24YZ, the movement plane determination unit 51b switches the command plane from the command plane 24YZ to the command plane 24ZX ( Step S35). When the movement plane determination unit 51b determines that the direction of the two-finger drag operation is the horizontal direction and the currently displayed command plane is not the command plane 24XY or the command plane 24YZ, the command plane is commanded from the command plane 24ZX. The plane is switched to the plane 24YZ (step S36).

  When it is determined that the direction of the two-finger drag operation is not the horizontal direction, the movement plane determination unit 51b determines whether or not the currently displayed command plane is 24XY (step S37). When the movement plane determination unit 51b determines that the direction of the two-finger drag operation is not the horizontal direction and determines that the currently displayed command plane is the command plane 24XY, the command plane 24XY is changed to the command plane 24ZX. Switching (step S38).

  When the movement plane determination unit 51b determines that the direction of the two-finger drag operation is not the horizontal direction and determines that the currently displayed command plane is not the command plane 24XY, the currently displayed command plane Is determined to be the command plane 24YZ (step S39). When the moving plane determination unit 51b determines that the direction of the two-finger drag operation is not the horizontal direction and determines that the currently displayed command plane is the command plane 24YZ, the command plane is determined from the command plane 24YZ. Switch to the command plane 24XY (step S40). If the movement plane determination unit 51b determines that the travel of the two-finger drag operation is not in the horizontal direction and determines that the currently displayed command plane is not the command plane 24XY or the command plane 24YZ, the movement plane determination unit 51b The command plane 24ZX is switched to the command plane 24XY (step S41).

  In the numerical control device 1b, when a two-finger drag operation is input to the touch panel display 2, the gesture operation determination unit 3b outputs information on the direction of the two-finger drag operation to the movement plane determination unit 51b and moves The plane determining unit 51b switches between the command plane 24ZX, the command plane 24XY, and the command plane 24YZ according to the drag direction information input from the gesture operation determination unit 3b. By such processing, it is possible to switch to the desired command planes 24ZX, 24XY, 24YZ with a single gesture operation. As a result, it is possible to switch to the desired command planes 24ZX, 24XY, 24YZ with a simple and intuitive operation.

  In the numerical control device 1b, when a two-finger drag operation is input to the touch panel-equipped display 2, the gesture operation determination unit 3b outputs information on the direction of the drag operation to the movement plane determination unit 51b. The numerical control device 1b switches the command plane 24ZX to the command plane 24XY when the command plane 24ZX is displayed in the operation area 21 and a vertical signal is input from the gesture operation determination unit 3b to the movement plane determination unit 51b. The numerical control device 1b switches the command plane 24YZ to the command plane 24XY when the command plane 24YZ is displayed in the operation area 21 and a vertical signal is input from the gesture operation determination unit 3b to the movement plane determination unit 51b. The numerical controller 1b switches the command plane 24ZX to the command plane 24YZ when the command plane 24ZX is displayed in the operation area 21 and a lateral signal is input from the gesture operation determination unit 3b to the movement plane determination unit 51b. The numerical control device 1b switches the command plane 24YZ to the command plane 24ZX when the command plane 24YZ is displayed in the operation area 21 and a lateral signal is input from the gesture operation determination unit 3b to the movement plane determination unit 51b. By such processing, the command plane 24ZX and the command plane 24YZ can be switched by a two-finger drag operation in the horizontal direction. Thereby, switching between the command plane 24ZX and the command plane 24YZ, which is a viewpoint change in the horizontal direction, can be performed by a two-finger drag operation in the horizontal direction. As a result, the command plane 24ZX and the command plane 24YZ can be switched by a simple and intuitive operation. Further, the command plane 24ZX and the command plane 24XY can be switched by a two-finger drag operation in the vertical direction. Thereby, switching between the command plane 24ZX and the command plane 24XY, which is a viewpoint change in the vertical direction, can be performed by a two-finger drag operation in the vertical direction. As a result, the command plane 24ZX and the command plane 24XY can be switched by a simple and intuitive operation. As described above, the numerical controller 1b can switch the command planes 24ZX, 24YZ, and 24XY with a simple and intuitive operation.

  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, replace, and change the part.

  1, 1a, 1b Numerical control device, 2, 2a Display with touch panel, 3, 3b Gesture operation determination unit, 4 Scaling rate calculation unit, 5 Command unit determination unit, 6, 6a Movement amount generation unit, 7 Control unit, 8 Drive unit, 21 operation area, 22 tool, 23 workpiece, 24ZX, 24XY, 24YZ command plane, 41a position update unit, 42a speed limit determination unit, 51b moving plane determination unit, 100 machine tool.

In order to solve the above-described problems and achieve the object, a numerical control device according to the present invention has an operation area for receiving an input by a gesture operation, and the operation area includes a machine tool and a processing object of the machine tool. A touch panel that displays a command plane when a work is viewed from a specific direction, an enlargement / reduction ratio calculation unit that calculates an enlargement / reduction ratio according to the relative operation amount of the pinch operation, and the operation area based on the enlargement / reduction ratio A command unit determining unit that calculates a command unit for converting the operation amount of the drag operation input to the operation amount of the drive unit of the machine tool, and using the operation amount and the command unit of the drag operation. a movement amount generating portion which calculates the amount of movement of the driving unit outputs to said machine tool, when the two fingers drag operation in the operation area has been input, respond to two fingers dragged direction information , A movement plane determining unit for switching the plane viewed workpiece and machine tool from different directions the displayed command plane operating area Te comprises a.

Claims (4)

A touch panel that has an operation area for receiving an input by a gesture operation, and displays a command plane when the machine tool and a workpiece that is a workpiece of the machine tool are viewed from a specific direction in the operation area;
An enlargement / reduction ratio calculation unit for calculating an enlargement / reduction ratio according to the relative operation amount of the pinch operation;
A command unit determining unit that calculates a command unit for converting an operation amount of the drag operation input to the operation area based on the scaling ratio into an operation amount of the drive unit of the machine tool;
A numerical value control apparatus comprising: a movement amount generation unit that calculates a movement amount of the drive unit using the operation amount of the drag operation and the command unit and outputs the movement amount to the machine tool. A position update unit that integrates the movement amount calculated by the movement amount generation unit and calculates a current position of the machine tool;
It is determined whether or not the current position is within a preset speed limit area, and when the current position is within the speed limit area, a signal for speed limit determination is sent to the movement amount generation unit. An output speed limit determination unit,
The movement amount generation unit adjusts the movement amount so that a movement speed of the machine tool is equal to or lower than a predetermined speed limit when the speed restriction determination is input. The numerical controller described.   A moving plane determining unit that switches the command plane displayed in the operation area to a plane when the workpiece and the machine tool are viewed from different directions when a two-finger drag operation is input to the operation area; The numerical control apparatus according to claim 1, wherein the numerical control apparatus is characterized. An operation area that accepts input by gesture operation and a touch panel that displays a command plane when a machine tool and a workpiece that is a workpiece of the machine tool are viewed from a specific direction are dragged to the operation area. A numerical control device that drives the drive unit of the machine tool with an operation amount corresponding to the operation amount of the drag operation when an operation is input,
When a pinch-in operation is input to the operation area, the numerical control device reduces the command plane and increases the operation amount according to the operation amount of the drag operation to pinch the operation area. A numerical control device characterized in that when an out operation is input, the command plane is enlarged and the operation amount corresponding to the operation amount of the drag operation is decreased.

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