JP6879255B2 - Numerical control device, machine tool, display method and computer program - Google Patents

Description

The present invention relates to a numerical control device, a machine tool, a display method, and a computer program for displaying a history of operations on a touch panel of a machine tool.

Conventionally, an operation history has been stored in a numerical control device for verification of a machine tool, and the stored operation history has been analyzed by the verification device. The verification device determines whether or not the input / output operation of the numerical control device is appropriate (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2005-18600

The verification numerical control device stores the operation of the key or switch. In recent years, a touch panel is provided on a machine tool, and the touch panel is also operated. The numerical control device stores the contact with the touch panel as an operation. However, even if the operator touches the touch panel, it may not be recognized as an input to the operation unit displayed on the touch panel. Therefore, the contact with the touch panel that is not recognized as the input to the operation unit appears in the operation history, which affects the analysis of the input / output operation of the numerical control device.

The present invention has been made in view of such circumstances, and a numerical control device, a machine tool, a display method, and a computer program for displaying an operation on a touch panel in an operation history by distinguishing whether or not it is recognized as an input to an operation unit. The purpose is to provide.

The numerical control device according to the present invention includes a clock unit and a storage unit, and stores operations on the operation unit and the non-operation unit displayed on the touch panel of the machine tool in correspondence with the time measured by the clock unit. A numerical control device that stores the stored operation history in the unit and displays the stored operation history on the touch panel. When the contact of the operation unit on the touch panel is detected, the contact of the operation unit and the non-recognition of the operation of the operation unit are recognized. When the release of contact between the first storage processing unit that stores the time measured by the clock unit and the operation unit on the touch panel is detected and the operation of the operation unit is recognized, the contact release of the operation unit is performed. When the second storage processing unit that stores the recognition of the operation of the operation unit in accordance with the time measured by the clock unit and the non-operation unit on the touch panel are detected to be in contact with or released from the contact, the non-operation is performed. When a third storage processing unit that stores contact or release of contact with the unit and non-recognition of the operation of the operation unit in correspondence with the time measured by the clock unit and an operation for displaying the operation history are accepted. It is characterized by including a memorized contact and release of the operation unit, contact and release of the non-operation unit, and a first display processing unit that displays recognition and non-recognition of the operation of the operation unit on the touch panel. To do.

In the present invention, when the contact of the operation unit on the touch panel is detected, for example, when the operator's finger touches the button unit displayed on the touch panel, the contact of the operation unit and the non-recognition of the operation of the operation unit are memorized. indicate. This is because it cannot be determined that the operation on the operation unit is completed only by the contact. Further, when the contact release of the operation unit is detected and the operation of the operation unit is recognized, for example, when the operator's finger is separated from the button unit and it is recognized that the input is input to the button unit, that fact is memorized and displayed. .. When the finger is released from the operation unit and the input to the operation unit is recognized, it can be determined that the operation on the operation unit is completed. When the contact or release of the non-operation part is detected, for example, when the operator's finger touches the figure displayed on the touch panel or leaves after the contact, the contact or release of the non-operation part and the operation unit Memorize the unrecognized operation and display that fact. This is because when the operator's finger touches the non-operating portion or separates from the non-operating portion, there is no input to the operating portion.

The numerical control device according to the present invention has a fourth storage processing unit that stores the recognition of the operation of the operation unit and the operation unit when the contact release of the operation unit is detected after the contact of the operation unit is detected. When the contact release of the non-operating unit is detected after the contact of the non-operating unit is detected, the operation is performed after the contact between the fifth storage processing unit that stores the non-recognition of the operation of the operating unit and the non-operating unit is detected. It is characterized by including a sixth storage processing unit that stores the non-recognition of the operation of the operation unit when the contact release of the unit or the non-operation unit is detected.

In the present invention, when the contact release of the operation unit is detected after the contact of the operation unit is detected, it is determined that the operator's finger presses the operation unit and the operation on the operation unit is completed.

In the numerical control device according to the present invention, when the touch of the operation unit and the non-recognition of the operation of the operation unit are displayed on the touch panel, the information indicating the operation content of the contacted operation unit is arranged in parentheses. When the second display processing unit to be displayed on the touch panel and the operation unit are released from contact with each other and the non-recognition of the operation of the operation unit is displayed on the touch panel, the information indicating the operation content of the operation unit after the contact is released is shown in parentheses. When the contact release between the third display processing unit and the operation unit displayed on the touch panel and the recognition of the operation of the operation unit are displayed on the touch panel, the operation content of the operation unit that has been released from contact is displayed. It is characterized by including a fourth display processing unit that displays the indicated information on the touch panel without parentheses.

In the present invention, it cannot be determined that the operation on the operation unit is completed only by the contact or the release of the contact. Therefore, in order to indicate the contacted operation unit or the operation unit that has released the contact, the operation content of the operation unit is displayed. Furthermore, parentheses are displayed to indicate that the input to the operation unit is not recognized. Further, in order to indicate the operation unit for releasing the contact, the operation content of the operation unit is displayed, and in order to indicate that the input to the operation unit is recognized, parentheses are not displayed.

When the numerical control device according to the present invention displays the contact or release of the non-operation unit on the touch panel on the touch panel, the touch panel displays information indicating the operation content of the operation unit and a symbol different from the parentheses. It is characterized by including a fifth display processing unit.

In the present invention, in order to indicate the contact or release of the non-operating portion on the touch panel, the operating content of the operating portion and a symbol different from the parentheses are displayed. Therefore, the operation for a part other than the operation unit can be displayed separately from the operation for the operation unit.

In the numerical control device according to the present invention, when the second operation unit is connected to the operation unit, the sixth display that displays the operation history by the second operation unit on the touch panel in a color different from the operation history by the operation unit. It is characterized by having a processing unit.

In the present invention, the operation history by the second operation unit is displayed in a color different from the operation history by the operation unit to distinguish between the two.

The machine tool according to the present invention is characterized by including a spindle for mounting a tool and any of the above-mentioned numerical control devices.

In the present invention, when the contact of the operation unit on the touch panel is detected, for example, when the operator's finger touches the button unit displayed on the touch panel, the contact of the operation unit and the non-recognition of the operation of the operation unit are memorized. indicate. This is because it cannot be determined that the operation on the operation unit is completed only by the contact. Further, when the contact release of the operation unit is detected and the operation of the operation unit is recognized, for example, when the operator's finger is separated from the button unit and it is recognized that the input is input to the button unit, that fact is memorized and displayed. .. When the finger is released from the operation unit and the input to the operation unit is recognized, it can be determined that the operation on the operation unit is completed. When the contact or release of the non-operation part is detected, for example, when the operator's finger touches the figure displayed on the touch panel or leaves after the contact, the contact or release of the non-operation part and the operation unit Memorize the unrecognized operation and display that fact. This is because when the operator's finger touches the non-operating portion or separates from the non-operating portion, there is no input to the operating portion.

The display method according to the present invention memorizes the operations for the operation unit and the non-operation unit displayed on the touch panel of the machine tool in correspondence with the time measured by the clock unit, and displays the stored operation history on the touch panel. In the method, when the contact of the operation unit on the touch panel is detected, the non-recognition of the operation of the operation unit is stored in correspondence with the time measured by the clock unit, and the contact of the operation unit on the touch panel is stored. When the release is detected and the operation of the operation unit is recognized, the contact release of the operation unit and the recognition of the operation of the operation unit are stored in correspondence with the time measured by the clock unit, and the operation on the touch panel is stored. When the release of contact of the unit is detected and the operation of the operation unit is not recognized, the release of contact of the operation unit and the non-recognition of the operation of the operation unit are stored in correspondence with the time measured by the clock unit. When the contact or release of the non-operation unit is detected on the touch panel, the contact or release of the operation unit and the non-recognition of the operation of the operation unit are stored in correspondence with the time measured by the clock unit. When the operation for displaying the operation history is accepted, the stored contact and release of the operation unit, the contact and release of the non-operation unit, and the recognition and non-recognition of the operation of the operation unit are displayed on the touch panel. It is characterized by doing.

In the present invention, when the contact of the operation unit on the touch panel is detected, for example, when the operator's finger touches the button unit displayed on the touch panel, the contact of the operation unit and the non-recognition of the operation of the operation unit are memorized. indicate. This is because it cannot be determined that the operation on the operation unit is completed only by the contact. Further, when the contact release of the operation unit is detected and the operation of the operation unit is recognized, for example, when the operator's finger is separated from the button unit and it is recognized that the input is input to the button unit, that fact is memorized and displayed. .. When the finger is released from the operation unit and the input to the operation unit is recognized, it can be determined that the operation on the operation unit is completed. When the contact or release of the non-operation part is detected, for example, when the operator's finger touches the figure displayed on the touch panel or leaves after the contact, the contact or release of the non-operation part and the operation unit Memorize the unrecognized operation and display that fact. This is because when the operator's finger touches the non-operating portion or separates from the non-operating portion, there is no input to the operating portion.

The computer program according to the present invention memorizes the operations for the operation unit and the non-operation unit displayed on the touch panel of the machine tool in correspondence with the time measured by the clock unit, and displays the stored operation history on the touch panel. When a computer program that can be executed by the control device detects contact with the operation unit on the touch panel, the non-recognition of the operation of the operation unit is stored in correspondence with the time measured by the clock unit, and the operation is stored. When the touch release of the operation unit is detected on the touch panel and the operation of the operation unit is recognized, the contact release of the operation unit and the recognition of the operation of the operation unit are stored in correspondence with the time measured by the clock unit. Then, when the touch release of the operation unit on the touch panel was detected and the operation of the operation unit was not recognized, the contact release of the operation unit and the non-recognition of the operation of the operation unit were measured by the clock unit. When the touch or contact release of the non-operation unit is detected on the touch panel by storing in correspondence with the time, the contact or contact release of the operation unit and the non-recognition of the operation of the operation unit are measured by the clock unit. When the operation of storing the operation history and displaying the operation history is accepted, the stored contact and release of the operation unit, contact and release of the non-operation unit, and recognition of the operation of the operation unit and release of the operation are received. It is characterized in that a process of displaying non-recognition on the touch panel is executed.

In the present invention, when the contact of the operation unit on the touch panel is detected, for example, when the operator's finger touches the button unit displayed on the touch panel, the contact of the operation unit and the non-recognition of the operation of the operation unit are memorized. indicate. This is because it cannot be determined that the operation on the operation unit is completed only by the contact. Further, when the contact release of the operation unit is detected and the operation of the operation unit is recognized, for example, when the operator's finger is separated from the button unit and it is recognized that the input is input to the button unit, that fact is memorized and displayed. .. When the finger is released from the operation unit and the input to the operation unit is recognized, it can be determined that the operation on the operation unit is completed. When the contact or release of the non-operation part is detected, for example, when the operator's finger touches the figure displayed on the touch panel or leaves after the contact, the contact or release of the non-operation part and the operation unit Memorize the unrecognized operation and display that fact. This is because when the operator's finger touches the non-operating portion or separates from the non-operating portion, there is no input to the operating portion.

In the numerical control device, machine tool, display method, and computer program according to the present invention, when the contact of the operation unit on the touch panel is detected, for example, when the finger of the operator touches the button unit displayed on the touch panel. The contact of the operation unit and the non-recognition of the operation of the operation unit are memorized and displayed. This is because it cannot be determined that the operation on the operation unit is completed only by the contact. Further, when the contact release of the operation unit is detected and the operation of the operation unit is recognized, for example, when the operator's finger is separated from the button unit and it is recognized that the input is input to the button unit, that fact is memorized and displayed. .. When the finger is released from the operation unit and the input to the operation unit is recognized, it can be determined that the operation on the operation unit is completed. When the contact or release of the non-operation part is detected, for example, when the operator's finger touches the figure displayed on the touch panel or leaves after the contact, the contact or release of the non-operation part and the operation unit Memorize the unrecognized operation and display that fact. This is because when the operator's finger touches the non-operating portion or separates from the non-operating portion, there is no input to the operating portion. The contact and release of the contact with the operation unit are displayed in the operation history according to the presence or absence of recognition of the input to the operation unit, and the influence on the analysis of the input / output operation of the numerical control device is avoided.

It is a schematic perspective view of a machine tool. It is a perspective view which shows the cover for a machine tool, a control panel and the like. It is a front view which shows an example of an operation panel. It is a figure which shows an example of the image of the operation history displayed on the touch panel. It is a figure which shows an example of the image which shows the date list of the operation history.

Hereinafter, the present invention will be described with reference to the drawings showing the machine tool 100 according to the embodiment. In the following description, the top, bottom, front, back, left, and right shown in the figure are used. FIG. 1 is a schematic perspective view of the machine tool 100. The machine tool 100 includes a machine body, which includes a base 20, a fixing base 21, a Y-direction moving device 22, an X-direction moving device 26, a column 28, a Z-direction moving device 30, a spindle head 32, and a tool changing device 10. , The spindle motor 35 and the like are provided. The base 20 is fixed on the floor surface. The fixed base 21 has a rectangular box shape that is long in the front-rear direction and is provided on the base 20. A work holding portion 120 is provided at the front portion of the fixing base 21. The fixing base 21 fixes the Y-direction moving device 22. The Y-direction moving device 22 includes a Y-direction drive motor (not shown) and a ball screw mechanism (not shown) driven by the Y-direction drive motor.

The X-direction moving device 26 is provided in the ball screw mechanism of the Y-direction moving device 22. The X-direction moving device 26 includes an X-direction drive motor (not shown) and a ball screw mechanism (not shown) driven by the X-direction drive motor. A column 28 is provided in the ball screw mechanism of the X-direction moving device 26. The X-direction moving device 26 and the Y-direction moving device 22 support the column 28 so as to be movable in the X-direction (left-right direction) and the Y-direction (front-back direction).

The Z-direction moving device 30 is provided on the front surface of the column 28. The Z-direction moving device 30 includes a Z-direction drive motor (not shown) and a ball screw mechanism (not shown) driven by the Z-direction drive motor. The spindle head 32 is provided in the Z direction moving device 30. The column 28 supports the spindle head 32 so as to be movable in the Z direction (vertical direction) via the Z direction moving device 30. The spindle motor 35 is provided above the spindle head 32. The spindle head 32 supports a spindle (not shown) whose axial direction is up and down. The spindle motor 35 rotates around the spindle. The tool changing device 10 changes the tool mounted on the spindle.

FIG. 2 is a perspective view illustrating the machine tool cover 1 and the control panel 80 and the like. As shown in FIG. 2, the machine tool 100 includes a machine tool cover 1 that surrounds the machine body. A machine tool cover 1 is provided on the upper side of the base 20. The machine tool cover 1 extends in the vertical direction, and includes a rectangular front wall 5, a left wall 6, a right wall 7, and a rear wall 8 that cover the front, rear, left, and right sides of the machine body of the machine tool 100, respectively. Further, it covers the upper side of the machine tool 100 and includes a rectangular ceiling 9 parallel to the left-right direction and the front-back direction. The rear wall 8 is provided with a control panel 80 (numerical control device) having a control board for controlling the operation of the machine tool 100 and an amplifier for adjusting the power supplied to the motor. The control panel 80 includes a CPU, ROM, RAM, non-volatile memory, a clock unit, and the like. The control program is read from the ROM into the RAM, and the CPU controls the drive of the machine tool 100. The non-volatile memory stores the operation history of the operation panel 54, which will be described later, in correspondence with the time measured by the clock unit.

A vertically long rectangular opening 51 is provided in the central portion of the front wall 5, and an operation panel 54 for an operator to input a command is provided on the right side of the opening 51. A vertically long rectangular right door 52 and a left door 53 are arranged side by side in the opening 51 so as to be movable in the left-right direction. A teaching pendant 15 (second operation unit) is connected to the operation panel 54, if necessary. The teaching pendant 15 includes a key, a switch, and the like.

FIG. 3 is a front view showing an example of the operation panel 54. The operation panel 54 has a rectangular shape extending vertically when viewed from the front. One or more switches 54a, buttons 54b, and keyboard 54c are provided at the lower part of the operation panel 54. A touch panel 54d is provided above the switch 54a, the button 54b, and the keyboard 54c. The touch panel 54d has a rectangular shape, and a plurality of button units 55 (operation units) are displayed along the lower edge thereof. A portion of the touch panel 54d that is irrelevant to the operation, for example, a portion that displays a diagram unrelated to the operation constitutes a non-operation unit. The plurality of button portions 55 are arranged side by side. By operating the button unit 55 indicating "display switching", the operation history of the operation panel 54 can be displayed on the touch panel 54d.

FIG. 4 is a diagram showing an example of an image of the operation history displayed on the touch panel 54d. As shown in FIG. 4, the operation history image includes a column indicating "time", a column indicating "state", and a column indicating "operation content". The "time" column displays the time when the operation was performed. For example, "15:10:25" in the "time" column indicates 15:10:25. The time is arranged vertically in order, the new operation is displayed on the upper side, and the old operation is displayed on the lower side. Operations older than the bottommost operation are displayed in the right column.

The "status" column displays the operating status of the switch 54a, the button 54b and the keyboard 54c, or the operating status of the touch panel 54d. In the "state" column, "-" indicates that the switch 54a, the button 54b or the keyboard 54c has been operated, "DOWN" indicates the contact of the touch panel 54d with a predetermined position, and "UP" indicates the touch panel 54d. Indicates the release of contact at a predetermined location.

The "operation content" column indicates the operation content, the "setting" indicates that the setting operation has been performed by the switch 54a, the button 54b or the keyboard 54c, and the "edit" is for editing displayed on the touch panel 54d. The button portion 55 of the above indicates that the contact or the contact has been released, and “――――” indicates that the non-operating portion of the touch panel 54d has been contacted or the contact has been released. ”Indicates that the button portion 55 for setting the machining position of the work has been touched or released from contact. In the "operation content", the parentheses indicate that the input is not recognized as the input to the touch panel 54d. Which button of the button unit 55 displayed on the touch panel 54d is operated is performed by the following method. The coordinate values on the touch panel 54d for each button are stored in the ROM in the control panel 80 in advance, and when the operator touches the touch panel 54d, the CPU in the control panel 80 acquires the coordinate values and uses the acquired coordinate values. The coordinate values stored in the ROM are compared to confirm the operated button.

For example, "(edit)" indicates that the button unit 55 for editing has been touched or released, but the signal indicating editing has not been input to the control panel 80. On the other hand, "editing" indicates that the button unit 55 for editing is touched or released, and the signal indicating editing is input to the control panel 80.

At "15:10:54", the state is "DOWN" and the operation content is "(edit)". This indicates that, for example, the operator's finger touched the button portion 55 for editing at 15:10:54. At "15:10:55", the state is "UP" and the operation content is "edit". This indicates that at 15:10:55, the operator's finger left the button portion 55 for editing, and a signal indicating editing was input to the control panel 80. That is, it can be understood that the operator operated the button unit 55 for editing from 15:10:54 to 15:10:55, and the control panel 80 recognized the operator's operation.

At "15:15:10", the state is "-" and the operation content is "setting". This indicates that at 15:15:10, for example, the operator's finger operated the switch 54a, the button 54b, or the keyboard 54c for setting, and a signal indicating the setting was input to the control panel 80. That is, it can be understood that at 15:15:10, the operator operated an operation unit other than the touch panel 54d, and the control panel 80 recognized the operator's operation.

At "15:38:29", the state is "DOWN" and the operation content is "(position)". This indicates that, for example, the operator's finger touched the button portion 55 for setting the machining position of the work at 15:38:29. At "15:38:30", the state is "UP" and the operation content is "----". This indicates that at 15:38:30, the operator's finger was separated from the non-operating portion of the touch panel 54d, for example, the portion displaying the figure of the touch panel 54d or the margin portion. That is, from 15:38:29 to 15:38:30, the operator's finger touches the button portion 55 for setting the machining position of the work, and the finger is slid as it is, and the touch panel 54d It can be understood that it has moved to the non-operating part and separated. At this time, the control panel 80 does not recognize the operation of the operator, that is, the operation of the button portion 55 for setting the machining position of the work.

At "15:38:49", the state is "DOWN" and the operation content is "----". This indicates that, for example, at 15:38:49, the operator's finger touched a non-operating portion of the touch panel 54d, for example, a portion displaying a figure on the touch panel 54d or a margin portion. At "15:38:30", the state is "UP" and the operation content is "(position)". This indicates that at 15:38:30, the operator's finger was separated from the button portion 55 for setting the machining position of the work. That is, from 15:38:49 to 15:38:50, the operator's finger comes into contact with the non-operating portion of the touch panel 54d, and the finger is slid as it is to set the machining position of the work. It can be understood that the button portion 55 has been moved and released. At this time, the control panel 80 does not recognize the operation of the operator, that is, the operation of the button portion 55 for setting the machining position of the work.

When the teaching pendant 15 is connected to the operation panel 54 and the keys or switches of the teaching pendant 15 are operated, the control panel 80 stores the operation history of the keys or switches. When the operation history of the key or switch of the teaching pendant 15 is displayed on the touch panel 54d, the operation history of the key or switch of the teaching pendant 15 is displayed in a color different from the operation history of the switch 54a, the button 54b, the keyboard 54c and the touch panel 54d. To do. For example, the operation history of the switch 54a, the button 54b, the keyboard 54c, and the touch panel 54d is displayed in red, and the operation history of the key or switch of the teaching pendant 15 is displayed in green. The column indicating the "status" of the operation history displays the operating status of the key or switch of the teaching pendant 15 as "-", and the column indicating the "time" and the column indicating the "operation content" are the switch 54a and the button 54b. Alternatively, similarly to the keyboard 54c, the operation time and operation contents of the keys or switches of the teaching pendant 15 are displayed.

The image of the operation history includes a plurality of button units 56 as operation units. The plurality of button units 56 include an "input / output menu" button, a "today" button, a "back one day" button, a "forward one day" button, and a "date selection" button. FIG. 4 is an image in which the "Today" button is selected.

FIG. 5 is a diagram showing an example of an image showing a date list of the operation history. When the "date selection" button is selected, as shown in FIG. 5, the touch panel 54d displays a date list (hereinafter, referred to as a date list) of the recorded operation history. The date list displays the dates for 30 days. The date list may display dates less than 30 days or more than 30 days. The date list includes a "No" column and a "history date" column. In the "No" column, 1 to 30 are displayed in ascending order. In the "history date" column, the date in which the operation history is stored is displayed corresponding to the number in the "No" column. The small number in the "No" column corresponds to the new date, and the large number corresponds to the old date. The date in the "History Date" column also functions as a button. When the operator selects a date in the "history date" field, the touch panel 54d displays the operation history of the selected date (see FIG. 4).

In the machine tool according to the embodiment, when the operator's finger touches the button portion 55 displayed on the touch panel 54d, the contact of the button portion 55 and the non-recognition of the operation of the button portion 55 are memorized and displayed. .. Since it cannot be determined that the operation on the button unit 55 has been completed only by touching, the control panel 80 does not recognize the operation of the button unit 55. When the release of contact of the button portion 55 is detected and the operation of the button portion 55 is recognized, for example, after the contact with the button portion 55, the operator's finger separates from the button portion 55, and the control panel 80 moves the button portion 55. When the operation is recognized, that fact is memorized and displayed. When the finger is released from the button unit 55 and the input to the button unit 55 is recognized, it can be determined that the operation on the button unit 55 is completed. Further, when the contact or release of the non-operating portion of the touch panel 54d is detected, for example, when the operator's finger touches the figure or the margin portion displayed on the touch panel 54d, or when the operator's finger is separated after the contact, the non-operating portion is contacted or released. The contact release and the non-recognition of the operation of the button unit 55 are memorized and displayed to that effect. This is because when the operator's finger touches the non-operating portion or separates from the non-operating portion, there is no input to the button portion 55. The contact and release of contact with the button unit 55 are displayed in the operation history according to the presence or absence of recognition of the input to the button unit 55, and the influence on the analysis of the input / output operation of the control panel 80 is avoided.

Further, when the contact release of the button portion 55 is detected after the contact of the button portion 55 is detected, it is determined that the operator's finger presses the button portion 55 and the operation on the button portion 55 is completed.

Further, since it cannot be determined that the operation on the button unit 55 is completed only by touching, the operation content of the button unit 55 is displayed to indicate the contacted button unit 55, and the input to the button unit 55 is not recognized. Show parentheses to indicate that. For example, "(edit)" is displayed. Further, in order to indicate the button unit 55 for releasing the contact, the operation content of the button unit 55 is displayed, and in order to indicate that the input to the button unit 55 is recognized, the parentheses are not displayed. For example, "Edit" is displayed.

Further, in order to indicate the contact or release of the contact or the contact release of the touch panel 54d other than the button portion 55, the operation content of the button portion 55 and a symbol different from the parentheses are displayed. For example, "――――" is displayed. Therefore, the operation for the portion other than the button portion 55 can be displayed separately from the operation for the button portion 55.

Further, the operation history of the teaching pendant 15 is displayed in a color different from the operation history of the button portion 55 of the operation panel 54 to distinguish between the two. The teaching pendant 15 is only an example of the second operation unit. Instead of the teaching pendant 15, a personal computer may be connected to the operation panel 54 as a second operation unit.

54 Operation panel 54a Switch 54b Button 54c Keyboard 54d Touch panel 55, 56 Button section 80 Control panel (numerical control device)
100 machine tools

Claims (8)

The storage unit is provided with a clock unit and a storage unit, and operations for the operation unit and the non-operation unit displayed on the touch panel of the machine tool are stored in the storage unit in accordance with the time measured by the clock unit, and the stored operation history. Is a numerical control device that displays the above on the touch panel.
When the contact of the operation unit on the touch panel is detected, the first storage processing unit that stores the contact of the operation unit and the non-recognition of the operation of the operation unit in correspondence with the time measured by the clock unit.
When the touch release of the operation unit is detected on the touch panel and the operation of the operation unit is recognized, the contact release of the operation unit and the recognition of the operation of the operation unit are made to correspond to the time measured by the clock unit. The second storage processing unit to memorize,
When the contact or release of the non-operation unit is detected on the touch panel, the contact or release of the non-operation unit and the non-recognition of the operation of the operation unit are made to correspond to the time measured by the clock unit. The third storage processing unit to store and
When the operation for displaying the operation history is accepted, the memorized contact and release of the operation unit, the contact and release of the non-operation unit, and the recognition and non-recognition of the operation of the operation unit are displayed on the touch panel. A numerical control device including a display processing unit. When the contact release of the operation unit is detected after the contact of the operation unit is detected, the fourth storage processing unit that stores the recognition of the operation of the operation unit and the fourth storage processing unit
When the contact release of the non-operation unit is detected after the contact of the operation unit is detected, the fifth storage processing unit that stores the non-recognition of the operation of the operation unit and
A claim comprising a sixth storage processing unit that stores the non-recognition of the operation of the operation unit when the contact release of the operation unit or the non-operation unit is detected after the contact of the non-operation unit is detected. Item 2. The numerical control device according to item 1. When the contact of the operation unit and the non-recognition of the operation of the operation unit are displayed on the touch panel, the second display processing unit that displays the information indicating the operation content of the contacted operation unit in parentheses on the touch panel. When,
When the contact release of the operation unit and the non-recognition of the operation of the operation unit are displayed on the touch panel, the information indicating the operation content of the operation unit whose contact has been released is arranged in parentheses and displayed on the touch panel. Display processing unit and
When the contact release of the operation unit and the recognition of the operation of the operation unit are displayed on the touch panel, the fourth display processing unit that displays the information indicating the operation content of the operation unit that has been released on the touch panel without parentheses. The numerical control device according to claim 1 or 2, wherein the numerical control device is provided with. When the contact or release of the non-operation unit on the touch panel is displayed on the touch panel, the touch panel is provided with a fifth display processing unit that displays information indicating the operation content of the operation unit and a symbol different from the parentheses. The numerical control device according to claim 3. When the second operation unit is connected to the operation panel having the touch panel, the sixth display processing unit that displays the operation history by the second operation unit on the touch panel in a color different from the operation history by the operation unit is provided. The numerical control device according to any one of claims 1 to 4, which is characterized. The spindle on which the tool is mounted and
A machine tool including the numerical control device according to any one of claims 1 to 5. It is a display method that memorizes the operations for the operation unit and the non-operation unit displayed on the touch panel of the machine tool in correspondence with the time measured by the clock unit, and displays the memorized operation history on the touch panel.
When the contact of the operation unit is detected on the touch panel, the contact of the operation unit and the non-recognition of the operation of the operation unit are stored in correspondence with the time measured by the clock unit.
When the touch release of the operation unit is detected on the touch panel and the operation of the operation unit is recognized, the contact release of the operation unit and the recognition of the operation of the operation unit are made to correspond to the time measured by the clock unit. Remember,
When the touch release of the operation unit is detected on the touch panel and the operation of the operation unit is not recognized, the contact release of the operation unit and the non-recognition of the operation of the operation unit are measured at the time measured by the clock unit. Correspond and memorize
When the contact or release of the non-operation unit is detected on the touch panel, the contact or release of the non- operation unit and the non-recognition of the operation of the operation unit are stored in correspondence with the time measured by the clock unit. And
When the operation for displaying the operation history is accepted, the memorized contact and release of the operation unit, the contact and release of the non-operation unit, and the recognition and non-recognition of the operation of the operation unit are displayed on the touch panel. A display method characterized by. A computer program that memorizes the operations for the operation unit and non-operation unit displayed on the touch panel of the machine tool in correspondence with the time measured by the clock unit, and can be executed by the numerical control device that displays the stored operation history on the touch panel. And
When the contact of the operation unit is detected on the touch panel, the contact of the operation unit and the non-recognition of the operation of the operation unit are stored in correspondence with the time measured by the clock unit.
When the touch release of the operation unit is detected on the touch panel and the operation of the operation unit is recognized, the contact release of the operation unit and the recognition of the operation of the operation unit are made to correspond to the time measured by the clock unit. Remember,
When the touch release of the operation unit is detected on the touch panel and the operation of the operation unit is not recognized, the contact release of the operation unit and the non-recognition of the operation of the operation unit are measured at the time measured by the clock unit. Correspond and memorize
When the contact or release of the non-operation unit is detected on the touch panel, the contact or release of the non- operation unit and the non-recognition of the operation of the operation unit are stored in correspondence with the time measured by the clock unit. And
When an operation for displaying the operation history is accepted, a process of displaying the stored contact and release of the operation unit, contact and release of the non-operation unit, and recognition and non-recognition of the operation of the operation unit on the touch panel. A computer program characterized by running a computer program.

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