JP3641285B2 - Interactive raw nail molding machine - Google Patents

Description

[0001]
[Industrial application fields]
The present invention interactively inputs the raw nail shape and processing conditions, generates a raw nail molding program inside the NC (numerical control) device by simply setting a coordinate system setting value in order to use the end surface of the nail as a processing reference. The present invention relates to an interactive raw nail molding apparatus that can easily perform a raw nail molding process by starting a raw nail molding program.
[0002]
[Prior art]
One of the set-up operations for turning is raw nail forming. Conventionally, the nail forming process is generally performed manually by an operator. That is, the operator operates the handle (manual pulse generator, etc.) while viewing the coordinate values of the NC unit display unit that controls the NC lathe and the actual machining location of the raw claw, and further confirming the cutting sound with the ear. It was a work that had to rely on a lot of experience and intuition to mold while cutting many times.
[0003]
[Problems to be solved by the invention]
Therefore, it has been desired to develop an apparatus that can easily perform raw nail molding processing even for non-experts. In other words, by simply inputting the dimensions and processing conditions of the raw nail shape interactively, numerical values are automatically input to a dedicated fixed cycle inside the NC unit, and a raw nail forming program is created. And by launching this raw nail forming program, the emergence of an interactive raw nail forming device that can automatically execute the tool path check during raw nail forming processing or raw nail forming processing from roughing to finishing. It was desired.
In view of the above technical background, the present invention interactively inputs the raw nail shape and processing conditions, and sets the coordinate system setting value for setting the nail end face as the processing reference, so that the raw nail forming program can be set inside the NC unit. Is created automatically, the tool path can be checked in advance by this raw nail forming program, and an object of the present invention is to provide an interactive raw nail forming apparatus that can easily perform raw nail forming by starting the raw nail forming program.
[0004]
[Means for Solving the Problems]
The invention of the present application has been made in view of the above circumstances, and a spindle base that rotatably supports a spindle to which gripping means for gripping a workpiece is attached, and at least the X-axis direction with respect to the spindle base , In an NC lathe or turning center provided with a tool post provided to be relatively movable in the Z-axis direction,
Input means for inputting input data including dimensions and processing conditions for specifying the raw nail shape;
A raw nail shape / processing condition memory for storing dimensions and processing conditions for specifying the raw nail shape input by the input means;
A feed axis control unit capable of controlling a servo motor for moving and positioning the headstock or the tool post via a feed axis, and reading position data of a movement position;
Claw end face position setting means for bringing the cutting edge of the raw claw processing tool attached to the tool post into contact with the raw claw end face and setting this position data as a claw end face position;
The nail end face position is set as the machining reference position in the Z-axis direction, the spindle centerline position is set as the machining reference position in the X-axis direction, and a fixed cycle program for raw nail machining in which the moving position data is a variable is stored. Raw nail molding program memory,
An execution controller that sends a trajectory check signal when a trajectory check start signal is input from the input means, and sends a raw claw molding signal when a raw claw molding start signal is input from the input means;
The feed axis control unit based on a raw nail forming program in which dimensions and processing conditions for specifying the raw nail shape stored in the raw nail shape / processing condition memory are substituted into the movement position data which is a variable of the fixed nail machining fixed cycle program An image processing unit that creates image data of a tool path with the position data output from the image data and outputs the image data to a display unit;
When the raw nail molding signal is sent from the execution control unit, an execution unit that outputs a command to the main shaft control unit that controls the drive motor that drives the spindle based on the raw nail molding program and performs raw nail processing a interactive fingernails molding apparatus comprising a,
The claw end face position setting means abuts the cutting edge of a raw claw processing tool attached to the tool rest on the raw claw end face from the Z-axis direction, reads the contact position from the feed axis control unit, Is set as the nail end face position, and the interactive raw nail forming apparatus is provided.
[0005]
[Action]
In the invention having the above-described configuration, the raw nail shape and processing conditions are interactively input, the raw nail end tool is brought into contact with the raw nail end surface, and the raw nail end surface is set as the processing reference by operating the input key. In the NC apparatus, a raw nail forming program is automatically created, and the tool path can be checked in advance by this raw nail forming program, and the raw nail forming process can be facilitated by starting the raw nail forming program.
[0006]
【Example】
An embodiment according to the present invention will be described below with reference to the drawings.
FIG. 1 is a flowchart for explaining the outline of the present invention. Interactive raw nail molding will be described with reference to this flowchart.
The raw nail forming dialogue screen is displayed on the NC device display unit, and the dimensions and processing conditions (cutting conditions) of the raw nail shape are sequentially input to the raw nail forming dialogue screen (S1). Next, the cutting edge of the tool for performing the nail processing is brought into contact with the end surface of the nail from the Z-axis direction, and the abutment position is read and stored by a predetermined key operation, thereby setting a processing standard (processing coordinate system) for forming the nail Setting the raw nail end face position, step S2). A raw nail molding program is created by inputting raw nail shape dimensions and processing conditions into the nail processing fixed cycle. Next, the tool trajectory of the raw claw forming process is drawn on the screen by a key operation for drawing the tool trajectory, and the trajectory is checked (step S3). If the raw nail forming program is OK in the tool trajectory check, that is, if there is no input data input error, the raw nail forming program is activated to actually perform the raw nail forming process (step S4).
[0007]
FIGS. 5 and 6 are display screens for outer and inner nail molding displayed on the display unit (CRT) of the NC device. FIG. 7 is a detailed view of a processed shape portion, FIG. 7 (a) is a processed portion for forming an outer nail, and FIG. 7 (b) is a detailed view of a processed portion for forming an inner nail. The steps for inputting the raw nail shape, processing conditions (cutting conditions), etc. will be described in detail with reference to FIGS.
When the raw nail molding display screen is selected on the NC display screen, an outer nail molding display screen as shown in FIG. 5 is displayed on the CRT. Here, either the outer nail molding or the inner nail molding is selected by inputting the “outer nail molding” key F5 or the “inner nail molding” key F6. When the inner claw molding is selected by pressing the “inner claw molding” key F6, the display screen of the CRT is switched to FIG.
Based on the illustrated machining shape, numerical values A to G are sequentially input and stored in the raw nail shape / machining condition memory 11 (see FIGS. 3 and 4). In the figure, A is the first gripping part diameter value, B is the first gripping part grip allowance, C is the diameter value of the ring L gripped during raw nail cutting, D is the second gripping part diameter value, and E is the second gripping part gripping Is a teenager. In addition, when the raw nail shape may be one step, the numerical values of D and E can be omitted. Further, the numerical value input of A, B, and C may be a radius value input.
Next, cutting speed, spindle speed, feed speed, cutting, and finishing allowance, which are machining conditions, are sequentially input and stored in the raw nail shape / machining condition memory 11. Either the cutting speed or the spindle speed can be input. When the input is completed as shown in FIG. 5 or FIG. 6, the input of the raw nail shape and the processing conditions in step S <b> 1 is completed.
[0008]
FIG. 2 is a block diagram of the claw end face position setting process of the present invention. Step S2 for setting the raw claw end face position will be described with reference to FIG.
4 is a manual control unit, and this manual control unit 4 is a manual operation [manual feed operation, manual fast feed operation, handle (manual pulse) for bringing the cutting edge of the tool into contact with the raw claw end surface from the Z-axis direction (spindle axis direction). The command from the generator)] is output to the feed axis control unit 5 as a manual command.
Reference numeral 5 denotes a feed axis control unit. The feed axis control unit 5 controls the servo motor 5a in accordance with a manual command or the like, and stores position data as current position data at that time in the position memory 6. The operator manually contacts the cutting edge of the tool with the raw nail end face, and then presses the “nail end face position setting” key F4 in FIG. 5 or 6 to specify the nail end face position. That is, the Z-axis direction machine coordinate value of the machine coordinate system when the cutting edge is brought into contact with the raw claw end face, the machine origin stored in the parameter memory 12, and the X-axis direction distance data to the spindle center are processed. By inputting the set value in the coordinate system, it is possible to set the machining reference position (machining origin position).
[0009]
FIG. 3 is a block diagram of the trajectory check process of the present invention. Step S3 of the tool trajectory check process at the time of raw nail forming will be described with reference to FIG. The trajectory check is performed by drawing the trajectory of the tool to be processed on the CRT according to the raw nail molding program before processing, and determining whether there is an input data input error on the trajectory drawing screen. It is a confirmation.
The input unit 1 is used to input the raw nail shape, processing conditions, and the like in step S1 described above. The input raw nail shape, processing conditions, and other input data are stored in the raw nail shape / processing condition memory 11.
The parameter memory 12 stores in advance machine-specific data such as the distance from the machine origin to the spindle center, approach amount data during raw claw machining, and the like.
The raw nail forming program memory 13 stores in advance a program for a fixed cycle for raw nail processing whose movement position data is a variable.
The nail end face position memory 3 stores the nail end face position setting data set in step S2.
[0010]
The operator checks the locus of the tool by pressing the “trajectory check” key F9 in FIG. 5 or FIG. 6 in a state where each data is stored in each memory.
The execution control unit 14 receives the trajectory check start command, outputs a trajectory check signal to the feed axis control unit 5 and the execution unit 15, and outputs an activation command to the execution unit 15. The execution unit 15 receives the start command, starts the raw nail forming program assigned to the program variable of the fixed nail processing fixed cycle using the input data read from the raw nail shape / processing condition memory 11 as an argument, and sets the raw nail one block at a time. The molding program is executed, and a program command is output to the feed axis controller 5. The feed axis control unit 5 controls the feed axis via the servo motor 5a in accordance with the program command. However, when the trajectory check signal is received, the feed axis control unit 5 does not perform the actual feed operation but only the tool movement data. And the current position data of the movement command is sent to the position memory 6.
[0011]
The drawing processing unit 16 creates drawing data from the position data sent from the position memory 6 and outputs it to the display unit 7. The display unit 7 draws a tool path on the CRT according to the drawing data. The operator looks at the tool trajectory and checks whether or not there is an input error and whether or not the desired nail forming process is performed.
For example, in the case of the finishing process of outer claw molding, the tool trajectory is determined from approach points (1) to (2), (3), (4), (5), (6 ) as shown in FIG. ), (7) [ or (1) → (3), (4) a → (3), (4) b → (5), (7) → (5) ] It is drawn in the order of processing and finishing. In FIGS. 5 and 6, rough machining is drawn with a dotted line and finishing is drawn with a solid line. Further, the movement route is not limited to this example.
[0012]
FIG. 4 is a block diagram of the raw nail molding processing according to the present invention. Step S4 of the raw nail molding process will be described with reference to FIG.
As described above, the raw nail shape / processing condition memory 11, the nail end surface position memory 3, the parameter memory 12, and the raw nail forming program memory 13 are assumed to store each data.
The operator performs raw nail molding by pressing a “program start” key on an operation panel (not shown) with each data stored in each memory.
In response to the machining start command, the execution control unit 14 outputs a raw nail forming signal to the feed axis control unit 5 and the execution unit 15, and also outputs a start command to the execution unit 15.
The execution unit 15 receives the activation instruction and activates the raw nail forming program that is substituted into the program variable of the raw nail machining fixed cycle with the input data read from the raw nail shape / processing condition memory 11 as an argument.
[0013]
In this raw nail forming program, the intersection of the spindle center line and the nail end surface setting data set in the nail end surface position memory is set as the processing origin (origin of the workpiece coordinate system) as the base point (X0, Z0), and FIG. From the approach point (1) to (2), (3), (4), (5), (6), (7) [ or (1) → (3), (4) a → (3), (4) b → (5), (7) → (5) ] The machine is moved at a predetermined feed rate along the movement path, and the spindle is rotated at a predetermined rotational speed for machining. Is what you do. Such a raw nail forming program is executed one block at a time, and a program command is sent to the feed control unit 5, the spindle control unit 21, and the machine control unit 22.
[0014]
The feed axis control unit 5 controls the position and speed of the feed axis via the servo motor 5 a according to the program command, and outputs position data as the current position to the position memory 6.
The spindle control unit 21 controls the rotation speed of the spindle motor 21a according to a program command, and rotates the spindle at a desired rotation speed. When the input data is the cutting speed, a calculation formula for calculating the rotational speed from the gripper diameter is included in the fixed claw machining fixed cycle program, and the rotational speed is calculated to control the rotation of the spindle. Do. Further, the machine control unit 22 controls the machine moving part according to the program command.
The drawing processing unit 16 creates drawing data from the position data and outputs it to the CRT 7. The CRT 7 draws the tool path during machining according to the drawing data.
[0015]
【The invention's effect】
As described above, according to the present invention, it is possible to interactively input a raw nail shape and processing conditions, set a coordinate system setting value for using the nail end face as a processing reference, and perform raw nail molding inside the NC unit. A program is automatically created, and the tool trajectory can be checked in advance by this raw nail forming program. By starting the raw nail forming program, a non-expert can easily perform raw nail forming. Moreover, since the tool path is checked, input mistakes can be prevented.
[Brief description of the drawings]
FIG. 1 is a flowchart for explaining the outline of the present invention.
FIG. 2 is a block diagram of a claw end face position setting process according to the present invention.
FIG. 3 is a block diagram of a trajectory check process of raw nail molding processing according to the present invention.
FIG. 4 is a block diagram of raw nail molding processing according to the present invention.
FIG. 5 is a drawing screen for forming an outer nail according to the present invention.
FIG. 6 is a drawing screen for forming an inner nail according to the present invention.
FIG. 7 is a detailed view of a processed shape portion, FIG. 7 (a) is a processed portion for forming an outer nail, and FIG. 7 (b) is a detailed view of a processed portion for forming an inner nail.

Claims (1)

A headstock that rotatably supports a spindle to which gripping means for gripping a workpiece is attached, and a tool rest that is provided so as to be relatively movable in at least the X-axis direction and the Z-axis direction with respect to the spindle. In the NC lathe or turning center provided,
Input means for inputting input data including dimensions and processing conditions for specifying the raw nail shape;
A raw nail shape / processing condition memory for storing dimensions and processing conditions for specifying the raw nail shape input by the input means;
A feed axis control unit capable of controlling a servo motor for moving and positioning the headstock or the tool post via a feed axis, and reading position data of a movement position;
Claw end face position setting means for bringing the cutting edge of the raw claw processing tool attached to the tool post into contact with the raw claw end face and setting this position data as a claw end face position;
The nail end face position is set as the machining reference position in the Z-axis direction, the spindle centerline position is set as the machining reference position in the X-axis direction, and a fixed cycle program for raw nail machining in which the moving position data is a variable is stored. Raw nail molding program memory,
An execution controller that sends a trajectory check signal when a trajectory check start signal is input from the input means, and sends a raw claw molding signal when a raw claw molding start signal is input from the input means;
The feed axis control unit based on a raw nail forming program in which dimensions and processing conditions for specifying the raw nail shape stored in the raw nail shape / processing condition memory are substituted into the movement position data which is a variable of the fixed nail machining fixed cycle program An image processing unit that creates image data of a tool path with the position data output from the image data and outputs the image data to a display unit;
When the raw nail molding signal is sent from the execution control unit, an execution unit that outputs a command to the main shaft control unit that controls the drive motor that drives the spindle based on the raw nail molding program and performs raw nail processing a interactive fingernails molding apparatus comprising a,
The claw end face position setting means abuts the cutting edge of a raw claw processing tool attached to the tool rest on the raw claw end face from the Z-axis direction, reads the contact position from the feed axis control unit, Is set as the nail end face position .

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