JP2927512B2 - Setup information processing device of NC processing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a setup information processing apparatus for an NC processing machine.

(Conventional technology) Generally, an NC processing machine requires a setup operation before executing an NC program.

The setup work refers to the work that must be prepared in advance before the execution of the NC program, but here, the preparation around the machine, including manual work such as tool change and position change of the work clamp device, is called Shall be.

Before the execution of the NC program, this setup work needs to be prepared in an efficient and supported manner by referring to work sheets and the like.

For example, in a turret punch press, a predetermined mold must be mounted on each mold device station of the turret table, and a work clamp device for gripping a work must be mounted at a predetermined position on the carriage. Therefore, before the execution of the NC program, a mold exchanging operation and a position changing operation of the work clamping device are performed as appropriate with reference to a work slip or the like.

An example of a conventional turret punch press die changing operation is as follows. First, regarding the die currently mounted in the turret die mounting station, the shape, dimensions and mounting angle (A) of the mounting die are set in each die mounting station. Angle)), make a list of mounting dies, make a list of dies that correspond to the dies used in the station numbers for dies written in the NC program, compare the two lists, and use them The molds are appropriately converted so that the molds listed in the mold list are attached to the designated stations at the designated angles.

However, in this turret punch press, the number of mold mounting stations is, for example, 72, and each mold is distinguished by shape and size. It is difficult to make a list, and the comparison is tricky.

To show an example of mold comparison, for example, according to the list in Table 1 below, mold exchange is unnecessary. TNO indicates the station number, and RE indicates the shape (long angle).

However, in the following list comparison of Table 2, the mounting angle (A
Since the angle differs, it is necessary to change the mold (change the angle).

As described above, in the mold setup work in the conventional turret punch press, for example, the presence or absence of setup is not known unless all 72 molds are checked. There were problems such as mistakes easily occurring. In addition, there is a problem in that it takes a long time to perform the setup because each check is performed, and furthermore, it is not known at all how much the setup will take place or how long the setup will take, so that an accurate operation schedule is not established. was there.

(Problems to be Solved by the Invention) As described above, the setup work of the conventional NC processing machine is to manually prepare the NC processing by referring to a work slip or the like and leave it to a worker. There is a risk that the setup operation may be forgotten and the operation may be started, the setup contents may be erroneous, and the entire setup is left to the operator, so the work efficiency is poor especially for unfamiliar workers. There was a point.

Further, in the turret punch press described above, much time and effort are required for creating a list, there is a possibility that entry errors may occur, and it is difficult to perform a list comparison operation, and thus much time and effort are required for setup work.

Furthermore, in the FMS line for small-lot production of other varieties developed in recent years, the change time of the NC program is early, and the number of setups is large, so these problems are greatly highlighted.

Therefore, the present invention can efficiently perform the setup work,
An object of the present invention is to provide a setup information processing device for an NC processing machine, which is less likely to cause a setup mistake.

[Structure of the Invention] (Means for Solving the Problems) In view of the above-described conventional problems, the present invention provides a working tool that stores the current mold mounting state of a plurality of mold mounting stations in an NC processing machine. A mold list setting unit, a used clamp position information setting unit that stores the current mounting positions of a plurality of work clamping devices, and a mold mounting to each mold station required to execute the next NC program of the NC processing machine. A mounting die list generation storage unit that stores the state, and the next NC
A current clamp position information generation storage unit that stores an attachment position of each work clamp device required to execute a program, a list stored in the used die list setting unit, and a list stored in the mounting die list generation storage unit A clamp comparing unit that compares the mounting position of each work clamp device stored in the used clamp position information setting unit with the mounting position stored in the current clamp position information generation storage unit; A setup presence / absence determination section that determines the presence / absence of setup based on the result of comparison between the mold comparison section and the clamp comparison section; and information for issuing a mold replacement command based on the setup determination section's determination of setup. Mold change command information generating unit for generating the position information and the clamp position change command information for generating the information to change the position by clearly indicating the work clamp device to be changed. A setup information generation unit having a generation unit, based on the setup information of the setup information generation unit, displays a mark to be exchanged on a mark of a mold mounting station displayed on a screen and indicates a clamp that requires a position change. The display is shown on the same screen, and the display is changed after the mold is replaced or the clamp position is changed.

(Example) FIG. 2 is an explanatory diagram showing an example of an FMS processing line capable of implementing the present invention.

In the figure, a processing line 1 of the present example is provided with an automatic warehouse 3 having a rack 2 having a multi-row multi-stage storage station. A material loading device 4 for loading a material is provided. In addition, a loading / unloading device (traverser) 6 is provided in front of the rack 2 and provided with a lift 5 that can be positioned at the height of each storage station of the rack 2 and that can be moved to an arbitrary position on the front side of the rack 2. Is provided. Therefore, the material stored in one storage station by the material loading device 4 can be transferred to another storage station by the general loading / unloading operation of the traverser 6, and the material stored in the storage station or The product (semi-finished product) can be taken out onto the lifting table 5 as appropriate.

A turret punch press 9 as an example of an NC processing machine having a loading device 7 and a run loading device 8 is provided on a line at a predetermined distance on the front side of the rack 2.
Is disposed between the loading device 7 and the unloading device 8 and the automatic warehouse 3, and an appropriate transport path 10 is provided. The material is processed in the order of arrows A, B, C, D, and E to become a product. , And are appropriately conveyed to the next step or the delivery section. The same applies to the case where the turret punch press 9 is a laser processing machine or another processing machine, and the same applies when a plurality of processing machines are arranged.

In the processing line 1 having the above configuration, the stocker controller 11 for controlling the material loading device 4 and the traverser 6 is provided, and the turret punch press 9 has an NC device for numerically controlling them. There are twelve. A device controller 13 for controlling the loading device 7 and the unloading device 8 is provided. The controller 13 and the NC device 12 are provided with a higher-level device for providing NC programs and control signals to both devices. The controller 14 is connected.

The stocker controller 11 has a terminal for giving a manual command to the automatic warehouse 3 from a remote place.
15 are connected. The stocker controller 11,
NC device 12, device controller 13, host controller
14 are connected to each other via a LAN line 16, and this LAN line 16
Is connected to a main controller 17 which is located in an office and executes a scheduled operation, and an automatic programming device 18.

In the machining line 1 having the above configuration, a schedule is created by the main controller 17 using the NC program created in the automatic programming 18, and an operation command is given to the upper controller 14, which indicates that the setup work has been completed. As a condition, the host controller 14 sequentially supplies the NC program to the NC device 12, the turret punch press 9 operates in cooperation with the loading device 7 and the unloading device 8, and press working is performed sequentially. At this time, when the loading device 7 determines that there is no material, the traverser 6 is operated via the stocker controller 11 and the material is supplied from the rack 2. When the unloading device 8 detects that the product is full, the pallet is replaced and the product pallet is stored in the rack 2.

FIG. 3 is a perspective view showing details of the turret punch press 9.

As shown in the figure, the turret punch press 9 has a so-called bridge-shaped frame 19.
Upper turret 20 and lower turret 21
Is rotatably supported. Both turrets 20 and 21
As shown in an enlarged plan view in FIG. 4, it is provided with a large number of mold mounting stations (72 stations in this example), and each mold mounting station has an arbitrary mold within a ranked size. The mold (punch and die) can be mounted. In the illustrated turrets 20, 21, 100
Stations in the # 200, # 300, and # 300 indicate mold apparatus stations for the inner, center, and outer trucks, respectively.

The turret is located at a position closer to the other side in the frame 19.
A work positioning device 22 for inserting a work (not shown) between 20, 20 and 21 and positioning a position where the work is to be processed to a processing position of the machine is provided.

The work positioning device 22 includes a guide rail 23 disposed along the longitudinal direction (Y direction) of the frame 19, a Y-axis table 24 movable along the rail 23, and an integral part of the table 24. A Y-axis carriage 25 extending in the X direction perpendicular to the Y direction, and an X-axis carriage 26 movable along the carriage 25 in the X-direction. The work clamping device 27 is provided.

Each of the three work clamp devices 27 can be fixed at an arbitrary position on the X-axis carriage 26, and the fixed position can be confirmed by reading a scale provided along the longitudinal direction of the Y-axis carriage 25, for example. It has become.

As the three work clamping devices 27, two appropriately selected in accordance with the work width so as to grip the work and position the work position of the work immediately below the striker 28 are used. In the work re-gripping operation, the work is moved once in a state where the work is removed, and another position of the work is grasped. Therefore, in order to perform such an operation, the mounting position must be reliably recognized by the NC device.

In the turret punch press 9 having the above configuration, the X-axis and Y-axis carriages 25 and 26 are servo-positioned while the work is held by the work clamping device 27, and an arbitrary position of the work is positioned immediately below the striker 28. , Punch 2 attached to turrets 20 and 21 by lowering striker 28
An arbitrary press working is performed by the die 9 and the die 30.

FIG. 5 is a block diagram showing the module configuration of the host controller 14.

The host controller 14 has a ROM 31 and a RAM 32, and is connected to the NC device 12 and the main controller 17 via serial communication devices (SIO) 33 and 34.

The ROM 31 is configured as a module, and an NC program editing module 36 is provided below the main module 35.
, A DNC operation module 37, a machine information editing module 38, a maintenance module 39, and an external input / output module 40. DCN operation module 37
Includes a DCN unit 41 and a setup check unit 42.

The RAM 32 stores information to be used by each module of the ROM 31.
, A processing information storage unit 44, a machine information storage unit 45, and a system parameter file storage unit 46.

The main module 35 performs overall management of the controller, and loads each module into the internal memory according to menu selection from an operator.

The NC program editing module 36 is for displaying the contents of the NC program and machining information registered in the RAM 32 on the CRT and performing data editing work.

The DNC operation module 37 has a DNC unit 41 and a setup check unit.
In the DNC unit 41, the NC for processing
The DNC operation is performed by transferring the program to the NC device 12 through the SIO 33. In the setup check section 42,
The processing information corresponding to each NC program is checked against the current state of the processing machine, the necessity of setup work is checked, and the necessary information is displayed on the CRT.

The machine information editing module 38 displays machine information registered in the RAM 32 on the CRT as information indicating the current setup state of the processing machine, and performs editing.

The maintenance module 39 displays system parameters set for each user on the CRT and edits them.

The external input module 40 is connected to external devices via NC via SIO34.
This module inputs and outputs various information including programs through NC tapes and communication.

The machine information stored in the machine information storage unit 45 includes:
It stores mechanical information such as mounting die information currently mounted on the turrets 20 and 21 and the mounting position of the work clamp device 27.

The processing information stored in the processing information storage unit 44 includes NC information such as the material, the mold used, and the mounting position of the work clamp device.
It stores preparatory condition information required to execute the program in association with the NC program name.

FIG. 6 shows clamp position information 45L and mounting die information 45T stored in the memory of the machine information storage unit 45. As illustrated, the clamp position information indicates the mounting position of each clamp device 27. In addition, the mounting die information is associated with the station number for each die mounting station, and the die size 1, 2, 3 (X dimension, Y dimension, R dimension), A angle, and die It is indicated by clearance.

FIG. 1A is a functional block diagram showing an example of the configuration of a setup information processing apparatus mainly including the setup check unit 42 and using the controller 14.

As shown in the figure, the setup information processing device 47 of this example includes an NC program setting unit 48, an operation start command signal input unit 49, a used mold list setting unit 50, and a used clamp position information setting unit.
51, the processing information is read from the NC program set in the NC program setting unit 48 based on the input of the operation start command signal, and the used mold list and the used clamp position information are generated. If the used mold list and the clamp position information are generated by the pre-reading of the NC program, etc.,
There is no need to create a new one. The numbers shown in parentheses () in the figure are for reference to the corresponding members in FIG.

On the other hand, referring to the information of the machine information storage unit 45, the device die list generation storage unit 52 and the current clamp position information storage unit 53 store the mounting die list and the current clamp position information. Between the setting sections 50 and 52 and 51 and 53, a mold comparing section 54 and a clamp comparing section for comparing respective information.
55 are provided.

The mold comparing section 54 compares the two lists (files) as shown in FIG. 7 and determines whether all the used mold information listed in the used mold list is present in the mounted mold list. It is to determine.

Further, the clamp position comparing section 55 compares the use position and the current clamp position of the three work clamping devices 27 as shown in FIG. 8, and determines whether or not the three positions match. Things.

The comparison result of the two comparison units 54 and 55 is output to the setup presence / absence determination unit 56.If both the comparison units 54 and 55 match, the setup is determined to be absent, and the operation start command signal output unit 57 is notified to that effect. An operation start command signal is output from the operation start command signal output unit 57, and the NC program is transferred from the NC program transfer unit 58 to the NC device 12.

On the other hand, in the setup presence / absence determination section 56, when a mismatch signal of the comparison result is input from one or both of the comparison sections 54 and 55, the content of the mismatch is transmitted to the setup information generation section 59 by the mold conversion command. Output to the generation unit 60 or the clamp position change command information generation unit 61.

The mold exchange command information generating unit 60 generates information for issuing a mold exchange command so that the used mold is included in the mounted mold list, based on the comparison result between the two mold lists.
Here, the mold exchange includes a change in the A angle. For example, in order to set the A angle shown in Table 2 of the conventional example to 90 ° C., an exchange mold list indicating only the mold to be exchanged is displayed. To generate information for

Further, the clamp position change command information generation unit 61 generates information to be changed for each of the three work clamp devices 27 by explicitly indicating the work clamp device 27 to be changed.

The setup information generating unit 59 outputs the information generated as described above to a display unit 62 provided near the turret of the turret punch press 9, for example, a CRT of the NC device 12, and the display unit 62 is configured as shown in FIGS. The screen shown in Fig. 11 is displayed to allow the user to change the mold and change the clamp position.

The screen 62A shown in FIG. 9 shows the setup occurrence state. The center of the figure is the NC program name, where the work holding three clamp devices is positioned with respect to the turret. Are shown as ... three exchange molds, and the figure of the clamp which needs to be changed is shown in red, and the replacement position is shown below it. At this time, “no change” is indicated for the work clamp device that does not need to be changed. Below that, "Please perform setup work."
Under the display, there is provided an operation section consisting of "mold list", "operation start" and "end", and a desired item can be selected by panel touch or light pen operation.

In other words, on this screen, you can change the clamp on this screen or display the mold list to replace the mold,
Alternatively, the operator selects whether to start operation after confirming these.
If "start operation" is selected, the setup is overlooked.

In the work of changing the clamp position, the work clamp device 27 closer to the origin (front side in FIG. 3) of the work clamp device 27 of the turret punch press 9 may be changed to the position of 100.00 as supported by the screen 62A. It is not necessary to change the other work clamp devices 27 because there is "no change". When "End" is selected after the change, the change in the clamp position is confirmed, and the red display portion turns blue.

Then, if you want to change the mold next time, "Mold List"
And shift the screen to that shown in FIG.

Screen 62B shown in FIG. 10 is a screen showing the exchange mold,
The replacement mold list is displayed in red, and below it, under "Please perform setup work", "Clamp", "Start operation", "Previous page", "Next page", and "End" can be selected. .

In the "previous page" and "next page", when a large number of exchange dies (9 or more) appear, the exchange mold list includes a plurality of pages, so that a page is selected.
In the "clamp", when the setup operation is started from the mold exchange, the clamp is changed next, so that a screen 62A 'similar to FIG. 9 is displayed as shown in FIG. However, on this screen 62A ', if the clamp position change has already been completed, the display is blue. When the mold replacement has been completed, the number of replacement molds is “0”. Further, a color display indicating that the station should be replaced or a different color display indicating that the station has been replaced may be displayed together with the mark of each station shown in the turret diagram.

The mold exchange shown in FIG. 10 may be performed sequentially from the top or from any station in the exchange mold list. After the replacement, the mark on the right side of the list is operated with a light pen to change the display color of the mold to blue. When "End" is selected, all displays turn blue.
When "start operation" is selected, the operation is started.

The "end" and "operation start" signals shown in FIGS. 9 to 11 are input to the setup confirmation unit 63 shown in FIG. 1 (a). Then, the contents of the current clamp position information generation storage unit 53 are updated in accordance with the setup contents, and are prepared for the next comparison.

Further, the operation signal of “operation start” is output to the operation start command signal output unit 57, and the NC program transfer unit 58 sends the NC device 12
The NC program is transferred to and the press working is performed.

As described above, according to the screens 62A and 62B shown in this example, in a setup work in a place where the setup contents are clear and separated from the screen, the work can be performed while looking at the screen.

In addition, since it is possible to see at a glance how much mold replacement occurs, the time required for the setup work can be predicted, and an accurate operation schedule can be set.

Furthermore, in this example, when there is an instruction to change the mold or change the clamp position, the instruction is displayed on the screen, so that a setup check must be performed without manually creating a mold list or setting up. Work can be eliminated at all, and the working time can be reduced and the operation can be simplified.

FIG. 1 (b) is a flowchart summarizing the above.

When the NC program name and the number of processed sheets are input in step 101, the setup presence / absence determination unit 56 determines in step 102 whether setup is present.

If there is setup, the process proceeds to step 103, where the setup screen shown in FIG. 9 is displayed, and it is possible to select between replacing the mold or changing the clamp position.

When the mold change is selected, the process proceeds to step 105, and the tenth
A screen 62B shown in the figure is displayed.

Next, when the mold exchanging and checking operation is performed in step 106, the user is caused to select whether to operate or change the clamp position in step 107. If the clamp position change is selected, the process proceeds to step 108. , Screen 6 in Figure 11
2A 'is displayed. This screen 62A 'is the same as 62A in FIG.

Next, if the change of the clamp position and the confirmation work are tried in step 109, the operation is started or the mold is replaced in step 110. If the operation is selected, the operation is started in step 111 and subsequent steps. Is done. If it is determined in step 102 that there is no setup, in step 111, the operation is already started.

Therefore, as shown in the flowchart of FIG. 1 (b), in the setup information processing device 47 of the present example, it is completely free to start the setup work by changing the mold or by changing the clamp position. Even if the workers are switched on the way, the progress of the setup is displayed on the screens 62A and 62B, so that a smooth setup work can be executed even by a plurality of workers. In addition, since these operations are performed using a very clear and simple dialogue screen as shown in FIGS. 9 to 11, the operator is not confused, and mistakes due to inadvertent mistakes and confusion are avoided. Can be completely prevented.

[Effects of the Invention] As can be understood from the above description of the embodiment, in short, the present invention provides a used mold list setting unit that stores the current mold mounting state of a plurality of mold mounting stations in an NC processing machine. (50) and a used clamp position information setting section (51) storing the current mounting positions of a plurality of work clamping devices.
And a mounting die list generation storage unit (52) storing a die mounting state to each die station necessary for executing the next NC program of the NC processing machine, and executing the next NC program. Current clamp position information generation storage unit (53) storing the mounting position of each work clamp device required for
A mold comparing section (54) for comparing the list stored in the used mold list setting section (50) with the list stored in the mounting mold list generation storage section (52); and the used clamp position information setting section The mounting position of each work clamp device stored in (51) and the current clamp position information generation storage unit (53)
The clamp comparison section (5
5) The above-mentioned mold comparison part (54) and clamp comparison part (55)
A setup presence / absence determination unit (56) that determines the presence / absence of setup based on the comparison result with the unit, and information for issuing a mold replacement command based on the setup presence / absence determination unit (56) determining the presence / absence of setup. A setup information generating section (59) having a mold exchange command information generating section (60) to perform and a clamp position change command information generating section (61) for generating information to be changed in position by explicitly specifying a work clamp device to be changed; In the same screen, a display indicating that the mold is to be replaced is displayed on the screen of the mold mounting station displayed on the screen based on the setup information of the setup information generating unit (59), and a display indicating a clamp requiring a position change is shown on the same screen. In addition, since the above display is changed after changing the die and changing the clamp position, the current state of the die used and the mounting position of the work clamp device in the punch press as the NC processing machine are determined by the following NC process. The mold state required to execute the gram and the mounting position of the work clamp device are compared in the comparison unit, and based on the comparison result, the setup presence / absence determination unit determines the presence / absence of setup. A display indicating a mold to be replaced and a mold mounting station and a display indicating a clamp whose position needs to be changed are displayed on the same screen, and the display is changed after the mold is replaced and the clamp position is changed.

Therefore, the necessity of mold replacement and the necessity of position change of the work clamp device can be simultaneously grasped, and the setup time can be predicted. In addition, the setup work for mold replacement and the work for position change of the work clamp device can be performed. Can be performed efficiently. Further, since the display is changed after the mold replacement and the clamp position change, it is possible to know whether or not the mold replacement and the clamp position change have been performed, and it is possible to prevent errors in the mold replacement and the clamp position change.

[Brief description of the drawings]

FIG. 1 (a) is a block diagram showing a configuration of a setup information processing device of a turret punch press according to an embodiment of the present invention, FIG. 1 (b) is a flowchart showing a setup procedure using the device, FIG. 2 is an explanatory view of a processing line including the turret punch press machine, FIG. 3 is an external view of a turret punch press as an example of an NC processing machine, and FIG. 4 shows an example of an arrangement of a turret mold mounting station. Enlarged plan view, Fig. 5 shows NC for controlling the above turret punch press machine
FIG. 6 is a block diagram showing the module configuration of the host controller of the apparatus, FIG. 6 is an explanatory diagram showing mounting die information and clamp position information in machine information, and FIG. 7 is a description showing a comparison method between a working die and a mounting die. FIG. 8 is an explanatory diagram showing a method of comparing clamp positions, and FIGS. 9, 10, and 11 are explanatory diagrams showing an example of a screen configuration when setup occurs. 9: Turret punch press machine 12: NC unit 14: Upper controller of NC unit 20, 21: Die (punch and die) 27: Work clamp unit 54: Die comparison unit 55: Clamp comparison Unit 56: Setup presence / absence determination unit 59: Setup information generation unit 62A, 62B, 62A '... Screen

Claims (1)

(57) [Claims] 1. A used mold list setting section (50) storing current mold mounting states of a plurality of mold mounting stations in an NC processing machine, and a used clamp storing current mounting positions of a plurality of work clamping devices. A location information setting unit (51),
A mounting die list generation storage unit (52) that stores a die mounting state to each die station required to execute the next NC program of the NC processing machine, and is necessary to execute the next NC program. The current clamp position information generation storage unit (53) that stores the mounting position of each work clamp device, the list stored in the working die list setting unit (50), and the mounting die list generation storage unit (52). A die comparing unit (54) for comparing the stored list with the mounting position of each work clamp device stored in the used clamp position information setting unit (51) and stored in the current clamp position information generation storage unit (53). Clamp comparison part (55) to compare with the set mounting position
And a setup presence / absence determination section (56) for determining the presence / absence of setup based on a comparison result between the mold comparison section (54) and the clamp comparison section (55); and setup provided by the setup presence / absence determination section (56). A mold change command information generating unit (60) for generating information for performing a mold change command based on the determination of the mold, and a clamp position change for generating information to change the position by clearly indicating a work clamp device to be changed. A setup information generation section (59) having a command information generation section (61), based on the setup information of the setup information generation section (59), to replace the mark with the mark of the mold mounting station displayed on the screen. A display that shows the clamps that need to be repositioned as well as
A setup information processing apparatus for an NC processing machine, wherein the display is changed after the mold is changed or the clamp position is changed.