JPH08263126A - Direct numerical controller - Google Patents

Abstract

PURPOSE: To provide the direct numerical controller which enables plural NC program files to be transferred successively between a numerical controller and a central processor through one time operation on the numerical controller side. CONSTITUTION: When a file name including a wild card is inputted to the optional file name input part 30 from the keyboard of the direct numerical controller consisting of the numerical controller 1 and central processor 2, the file name is sent from the optional file name transfer part 31 to the central processor 2, and a file name search part 36 searches an external storage device 6 for plural corresponding NC program files, which are transferred, one by one, from a successive file transmission part 42 to the numerical controller 1 together with their file names. The transferred NC program files are registered in the internal storage device 5 of the numerical controller 1 by a file registration part 14 together with the file names.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a direct numerical control device, and more particularly to a direct numerical control device capable of continuously transferring a plurality of NC program files required for machining a work between the numerical control device and a central processing unit. .

[0002]

2. Description of the Related Art Direct numerical control in which a plurality of numerical control devices such as numerical control machine tools and a host computer are connected via a transfer line, and an NC program file is bidirectionally transferred in response to a request from the numerical control device ( The DNC) system has been put to practical use. In this case, an external storage device in which the NC program file is normally registered is connected to the host computer. In such a DNC system, N is provided between the numerical control device and the host computer.
When transmitting and receiving C program data, the file name is requested from the host computer by inputting the file name from the keyboard of the numerical control device, and the requested N
A file name is added to the C program data, transferred from the host computer to the numerical control device, and registered in the internal storage device of the numerical control device. When data is transferred from the numerical control device to the host computer, the NC program data is added with a file name to transfer the data, and the host computer registers the transferred data with the file name in the external storage device. . Here, the NC program data or NC program file means a mass of data composed of a machining program and the file name means a name registered in a directory of an internal storage device or an external storage device. The data / file does not include the file name. Therefore, as described above, it is necessary to add a file name when transferring data.

Details of the above conventional technique will be described with reference to the block diagrams of FIGS. When the NC program file is transferred from the central processing unit 2 to the numerical control device 1 in response to a request from the numerical control device 1, the keyboard 4 of the operation panel is used while monitoring the CRT 3 and the central part of the file name input section 10 is displayed. Input the requested file name to the processing device 2. The input file name is sent to the communication control unit 7 via the file name transfer unit 11, and is sent from the communication control unit 7 to the communication control unit 8 of the central processing unit 2 via the transfer line 9. afterwards,
The file name is sent to the file name receiving unit 15. The file reading unit 16 searches for an NC program file registered in the external storage device 6 of the central processing unit 2,
The NC program file corresponding to the file name sent to the file name receiving unit 15 is read out. Read NC
The file name is added to the head of the program file by the file name addition unit 17, and then transferred from the file transmission unit 18 to the communication control unit 7 of the numerical control device 1 via the communication control unit 8 and the transfer line 9. In the NC program file transferred to the communication control unit 7, the file name at the beginning is received by the file name receiving unit 12, and the NC is the data portion.
The program file is received by the file receiving unit 13. The file thus received is registered by the file registration unit 14 in the internal storage device 5 of the numerical controller 1 with the file name received by the file name reception unit 12.

Next, from the numerical controller 1 to the internal storage device 5
When the NC program file is transferred from the numerical controller 1 to the central processing unit 2 by designating a file name for the, the keyboard 4 of the operation panel is used while monitoring the CRT 3 and the file name input unit 10 is used. In, the file name to be transferred to the central processing unit 2 is input. The file reading unit 21 searches the NC program file registered in the internal storage device 5, and reads the NC program file corresponding to the file name input to the file name input unit 10. The read NC program file is added with a file name at the beginning by the file name addition unit 19, and then the central processing is performed from the file transfer unit 20 via the communication control unit 7 and the transfer line 9 of the numerical controller 1. It is transferred to the communication control unit 8 of the device 2. In the transferred NC program file, the head file name is received by the file name receiving unit 15, and the NC program file that is data is received by the file receiving unit 22.
Will be received at. The NC program file thus received is registered by the file registration unit 23 in the external storage device 6 of the central processing unit 2 with the file name received by the file name reception unit 15.

On the other hand, Japanese Unexamined Patent Publication No. Hei 4-13854.
8 ”discloses a file transfer method for continuously transferring a plurality of NC program files. In this method, since NC program files are continuously transferred, as shown in FIG. 7, a computer system that manages files in a hierarchical structure is adopted. In this system, filenames can be specified in the form of partial match using wildcards. In this case, when a wildcard is used at a certain position in the character string that makes up the file name, it will match the file name as long as any other characters match at that position. It has the function of letting the computer judge that there is. When a file name including a wildcard is input from the screen input section 90 of the computer, the wildcard expansion section 91 manages the N managed by the computer.
The NC program file corresponding to the file name input from the C program file is expanded. Next, the file transfer unit 92 transfers the expanded NC program files to the partner computer one by one each time it is called from the partner computer. Therefore, when transferring a plurality of NC program files from a computer that manages files to a partner computer, the computer that manages the files expands the NC program files corresponding to the file names including wildcards in advance. Next, a method is adopted in which the NC program file is transferred one by one each time there is a request from the partner computer.

[0006]

SUMMARY OF THE INVENTION In the above conventional technique,
When bidirectional data transfer is performed between the numerical control device and the central processing unit via a transfer line in response to a request from the numerical control device, one N is input from the keyboard of the numerical control device.
Only the C program file name could be specified. Therefore, when transferring many NC program files, 1
It was necessary to specify the file name for each and repeat the work of transferring the NC program file. Therefore, there is a problem that the worker cannot leave the machine during the transfer work, and the work efficiency is significantly deteriorated. On the other hand, in the method of continuously transferring a plurality of NC program files using a wild card, the NC program file to be transferred needs to be expanded in advance on the computer side that manages the files. For this reason,
When transferring the NC program file, the operator must first expand the NC program file corresponding to the file name including the wild card in the central processing unit and then request the file name to be transferred by the numerical control device. there were. Therefore, there is a problem that the working efficiency is significantly deteriorated, for example, the worker needs to once leave the numerical control device. The present invention has been made in view of the above conventional problems, and an object thereof is to provide a plurality of NCs between a numerical control device and a central processing unit by one operation from the numerical control device side.
It is to provide a direct numerical control device that enables continuous transfer of program files.

[0007]

In order to achieve the above object, the present invention provides a numerical controller having an internal storage device capable of storing a plurality of NC program files necessary for machining a work, and a plurality of NC programs. A plurality of NC program files requested from the numerical control device, the central processing device having an external storage device capable of registering files and being connected to the numerical control device via a transfer line;
In a direct numerical controller capable of continuously transferring from the central processing unit to the numerical control unit, the numerical control unit can generate a file name of an NC program file requested from the central processing unit in at least a partial match format. A file name requesting means and an NC program file continuously transferred from the central processing unit based on the request of the file name requesting means are stored in the internal storage device as 1
File registration means for dividing the file into files and registering the file name together with the file name. When the central processing unit requests a file name from the file name requesting means of the numerical control device, it registers it in the external storage device. A file name search means for searching whether or not the requested file name exists in the NC program files being displayed, and all NC program files searched by the file name search means are successively stored in the numerical control device. And a continuous file transfer means for transferring.

Further, in order for the direct numerical control device to further continuously transfer a plurality of NC program files designated by the numerical control device from the numerical control device to the central processing unit, the numerical control device may further include Specify the file name of the NC program file to be transferred to the central processing unit,
File name requesting means capable of designating at least a partial match format to the internal storage device, and a file name for searching whether the designated file name exists in the NC program file registered in the internal storage device And a continuous file transfer means for continuously transferring all the NC program files searched by the file name search means to the central processing unit, wherein the central processing unit continuously operates from the numerical control unit. The transferred NC program file to the external storage device.
It is characterized by comprising a file registration means for dividing each file and registering it together with the file name.

[0009]

Therefore, according to the present invention, when data is transferred between the numerical control unit and the central processing unit, the NC program file name to be transferred can be generated in the form of partial matching in the numerical control unit. NC program files can be continuously transferred. This allows a worker to transfer a large number of NC program files in one operation without leaving the machine.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a numerical controller 1 and a central processing unit 2.
In the direct numerical control device composed of
A configuration in the case of transferring an NC program file from the central processing unit 2 to the numerical control device 1 in response to a request from the numerical control device 1 is shown as a block diagram. In FIG. 1, when the NC program file registered in the external storage device 6 of the central processing unit 2 is transferred from the central processing unit 2 to the numerical control unit 1, the keyboard 4 of the operation panel is used while monitoring the CRT 3. Then, the file name of the NC program file requested from the central processing unit 2 is input to the arbitrary file name input unit 30 of the numerical control device 1. At this time, a wild card can be included in the file name, and the file name requested to the central processing unit 2 can be generated in the form of partial match. The keyboard 4 and the arbitrary file name input unit 30 constitute the file name requesting means of the present invention.
The file name input to the arbitrary file name input section 30 is
It is sent to the communication control unit 7 by the arbitrary file name transfer unit 31, is sent to the communication control unit 8 of the central processing unit 2 via the transfer line 9, and is then sent to the arbitrary file name receiving unit 35 of the central processing unit 2. . As a result, the predetermined file name is requested to the central processing unit 2. Central processing unit 2
In the file name searching unit 36, a plurality of NC program files registered in the external storage device 6 of the central processing unit 2 are searched and correspond to the file name including the wild card sent to the arbitrary file name receiving unit 35. The NC program file is searched. One NC program file found is the file reading unit 16 of the central processing unit 2.
Is read from the external storage device 6. Here, the file name searching unit 36 and the file reading unit 16 constitute the file name searching unit of the present invention. The NC program file read by the file reading unit 16 is the first file to be transferred by the head file determination unit 37 of the central processing unit 2, that is, the file name registered in the directory stored in the external storage device 6. File name search unit 3
In step 6, it is determined whether the file corresponds to the file name found first. If it is the first file, that is, the first file, the first code adding unit 38 of the central processing unit 2
A code for recognizing the head is added to the head of the NC program file, and the file name adding unit 17 of the central processing unit 2 is added.
The file name is added after the first code with. If the file is not the first file, the code for recognizing the first file is not added, and only the file name is added by the file name adding unit 17. Next, the transfer file completion determination unit 39 of the central processing unit 2 determines whether or not all NC program files corresponding to the file name including the wild card have been transferred. That is, the file name addition unit 17
It is determined whether the NC program file output from is the final file. If it is not the final file, the delimiter code adding unit 40 of the central processing unit 2 adds a delimiter code to the end of the NC program file, and then this NC program file is transferred to the continuous file transmitting unit 42 of the central processing unit 2. Communication control unit 8 of central processing unit 2
Is transferred to the communication control unit 7 of the numerical controller 1 via the transfer line 9. At the same time, the file name searching unit 36 searches again for the file, and the above process is repeated. On the other hand, when the transfer file completion determination unit 39 determines that the NC program file output from the file name addition unit 17 is the final file, the central processing unit 2
The final code is added to the end of the NC program file by the final code adding section 41 of the
2 is transferred to the communication control unit 7 of the numerical control device 1 via the transfer line 9 from the communication control unit 8 of the central processing unit 2. The continuous file transmission unit 42 transfers the final file to the communication control unit 8 of the central processing unit 2 and ends the processing. That is, the above process is repeated until the transfer file completion determination unit 39 determines that the NC program file output from the file name addition unit 17 is the final file. The leading file determining unit 37, the leading code adding unit 38, the file name adding unit 17, the transfer file completion determining unit 39, the delimiter code adding unit 40, and the final code adding unit 4
1 and the continuous file transmission unit 42 constitute the continuous file transfer means of the present invention. FIG. 3 shows details of the transfer format of the NC program file transferred to the communication control unit 7 of the numerical controller 1 described above. FIG.
In the format, the beginning code 100 (% in the figure) for recognizing the beginning, the NC program m (m = 1 to 1)
n) 101, a delimiter code 102 (FS in the figure) for recognizing the delimiter of the NC program, and a final code 103 (% in the figure) for recognizing the final code. The NC program m (m = 1 to n) is composed of a file name 104 and NC program file data 105. The NC program file transferred to the communication control unit 7 of the numerical control device 1 is determined by the leading code determination unit 32 of the numerical control device 1 as a leading file. In addition, each N output from the head code determination unit 32
The file name of the C program file is received by the file name receiving unit 12 of the numerical controller 1, and is the data part N.
The contents of the C program file are received by the file receiving unit 13 of the numerical controller 1. Next, the delimiter code determination unit 33 of the numerical controller 1 determines whether the code following the NC program file received by the file reception unit 13 is a delimiter code. If it is a delimiter code, the file registration unit 14 of the numerical control device 1 registers the data of the file in the internal storage device 5 of the numerical control device 1. At this time, the NC program file determined to be the first file by the first code determination unit 32 is first registered in the internal storage device 5 as the first file, and the NC program files other than the first file are registered in the order transferred to the communication control unit 7. To be done. As a result, the data of the NC program file is registered in the internal storage device 5 of the numerical controller 1 in order from the first file. At this time, each NC program file is divided and registered by the file name received by the file name receiving unit 12. Also, as mentioned above,
When the delimiter code determination unit 33 determines that the file is a delimiter code, the above process is repeated from the reception of the file name by the file name reception unit 12. On the other hand, the code following the NC program file received by the file receiving unit 13 is also judged by the final code judging unit 34 of the numerical controller 1 as to whether it is the final code. When it is determined that the code is the final code, the file registration unit 14 registers the final code in the internal storage device 5. As a result, the data from the first file to the last file is registered in the internal storage device 5, and the registration process in the internal storage device 5 ends. At that time, each NC program file is divided and registered by the file name received by the file name receiving unit 12, as in the above case. In the above,
Depending on whether the code following the NC program file received by the file receiving unit 13 is a delimiter code or a final code, the process of the delimiter code determining unit 33 and the process of the final code determining unit 34 are selectively performed. The leading code determining section 32, the file name receiving section 12, the file receiving section 13, the delimiter code determining section 33, the final code determining section 34, and the file registering section 14 constitute the file registering means of the present invention.

FIG. 2 is a block diagram showing a configuration in the same direct numerical controller as in FIG. 1 in which an NC program file is transferred from the numerical controller 1 to the central processing unit 2 in response to a request from the numerical controller 1. Indicated as. In FIG. 2, when the NC program file registered in the internal storage device 5 of the numerical control device 1 is transferred from the numerical control device 1 to the central processing unit 2, the keyboard 4 of the operation panel is used while monitoring the CRT 3. Then, the file name of the NC program file to be transferred to the central processing unit 2 is input to the arbitrary file name input unit 30 of the numerical controller 1. At this time, the wild card can be included in the file name as in the case of FIG. By inputting the file name in the arbitrary file name input section 30,
NC for transferring to the central processing unit 2 for the internal storage device 5
The file name of the program file has been specified. Here, the keyboard 4 and the arbitrary file name input unit 3
0 constitutes the file name requesting means of the present invention. The file name search unit 43 of the numerical control device 1 searches for a plurality of NC program files registered in the internal storage device 5 of the numerical control device 1, and the arbitrary file name input unit 30
The NC program file corresponding to the file name including the wild card input to is searched. One searched
One NC program file is read from the internal storage device 5 by the file reading unit 21 of the numerical control device 1. Here, the file name searching unit 43 and the file reading unit 21
Constitutes the file name search means of the present invention. The NC program file read by the file reading unit 21 is
The leading file determination unit 44 of the numerical controller 1 determines whether the file is the first file to be transferred. If it is the first file, that is, the head file, a code for recognizing the head by the head code adding unit 45 of the numerical control apparatus 1 is added to the head of the NC program file, and the file name adding unit 19 of the numerical control apparatus 1 adds the start code. Next, the file name is added. If the file is not the first file, the code for recognizing the first file is not added, and only the file name is added by the file name adding unit 19. Next, the transfer file completion determination unit 46 of the numerical controller 1 determines whether all NC program files corresponding to the file name including the wild card have been transferred. That is, it is determined whether the NC program file output from the file name adding unit 19 is the final file. If it is not the final file, the delimiter code adding unit 47 of the numerical controller 1 adds a delimiter code to the end of the NC program file, and then the NC program file is transferred to the continuous file transfer unit 49 of the numerical controller 1, Numerical control device 1
Is transferred from the communication control unit 7 to the communication control unit 8 of the central processing unit 2 via the transfer line 9. At the same time, the file name searching unit 43 searches again for the file, and the above process is repeated. On the other hand, the transfer file completion determination unit 4
When it is determined that the NC program file output from the file name addition unit 19 is the final file in 6,
A final code is added to the end of the NC program file by the final code adding unit 48 of the numerical control device 1, transferred to the continuous file transfer unit 49, and transmitted from the communication control unit 7 of the numerical control device 1 via the transfer line 9 to the center. It is transferred to the communication control unit 8 of the processing device 2. The continuous file transfer unit 49 transfers the final file to the communication control unit 7 of the numerical control device 1 and ends the processing. That is, the above-mentioned processing is the NC output from the file name addition section 19 in the transfer file completion determination section 46.
It will be repeated until the program file is determined to be the final file. The top file determination unit 44,
The head code addition unit 45, the file name addition unit 19, the transfer file completion determination unit 46, the delimiter code addition unit 47, the final code addition unit 48, and the continuous file transfer unit 49 constitute the continuous file transfer means of the present invention. The transfer format of the NC program file described above is
Details thereof are shown in FIG. 3 as in the case of FIG. The NC program file transferred to the communication control unit 8 of the central processing unit 2 is stored in the head code determining unit 50 of the central processing unit 2.
Determines whether it is the first file. The file name of each NC program file output from the head code determination unit 50 is the file name reception unit 15 of the central processing unit 2.
The content of the NC program file, which is the data portion, is received by the file receiving unit 22 of the central processing unit 2. Next, the delimiter code determination unit 51 of the central processing unit 2
Thus, it is determined whether the code following the NC program file received by the file receiving unit 22 is a delimiter code. If it is a delimiter code, the file registration unit 23 of the central processing unit 2 registers the data of the file in the external storage device 6 of the central processing unit 2. At this time, the NC program file determined to be the first file by the first code determination unit 50 is first used as the first file in the external storage device 6.
The NC program files other than the first file are registered in the order in which they are transferred to the communication control unit 8. As a result, the data of the NC program file is registered in the external storage device 6 of the central processing unit 2 in order from the top file. At this time, each NC program file is divided and registered by the file name received by the file name receiving unit 15. In addition, as described above, the delimiter code determination unit 5
When it is determined that the delimiter code is 1, the above processing is repeated from the reception of the file name in the file name receiving unit 15. On the other hand, the code following the NC program file received by the file name receiving unit 15 is also judged by the final code judging unit 52 of the central processing unit 2 as to whether or not the code is the final code. When the file is determined to be the final code, the file registration unit 23 registers the final file in the external storage device 6. As a result, the data from the first file to the last file is registered in the external storage device 6, and the registration process in the external storage device 6 is completed. At that time, each NC program file is stored in the file name receiving unit 15
Similar to the above, the file names received in step 1 are divided and registered. In the above, depending on whether the code following the NC program file received by the file receiving unit 22 is a delimiter code or a final code, the process of the delimiter code determining unit 51 and the process of the final code determining unit 52 are alternatively performed. Has been done. The head code determining section 50, the file name receiving section 15, the file receiving section 22, the delimiter code determining section 51, the final code determining section 52, and the file registering section 23 constitute the file registering means of the present invention.

FIG. 4 shows details of the file name input in the arbitrary file name input section 30. In FIG. 4, as wildcards used in the file name, for example, * (asterisk) which is a code used in place of an arbitrary character string and a code used in place of any one character is there? (Question) As shown in the file name designation example of FIG. 4, the file name input means is classified into four. The first is the file name input means shown in the prior art, which is a method of specifying a file name that does not include a wild card, and is a method of directly specifying the file name as "ABCDEF" as shown in the figure. In this case, one file corresponding to the designated file name can be transferred. The second and subsequent file name inputting means is the file name designating method shown in the present invention. The second method is as a wild card *
This is a method of specifying a file name that includes only (asterisk), and is specified as "A * B" as shown in the figure. In this case, the corresponding file name is "AXYZB" as shown in the figure.
The wild card * (asterisk) is used instead of the arbitrary character string "XYZ". The third way is as a wild card? This is a method of specifying a file name that includes only (questions), such as "A? B" as shown in the figure. In this case, the corresponding file name is "APB" as shown in the figure,
Of these, is it a wildcard instead of any one character "P"? (Question) is used. The fourth means is * (asterisk) as a wild card?
This is a method of specifying a file name in which (questions) are mixed, and is specified as "A * B?" As shown in the figure.
In this case, the corresponding file name is "AOP
QBN ", etc., of which any character string" OPQ "
The wildcard * (asterisk) is used instead of, and is it a wildcard instead of any one character "N"? (Question) is used. As described above, when a file name including a wildcard is designated instead of an arbitrary character string or an arbitrary character, a plurality of NC program files can be transferred by one operation.

[0013]

In the direct numerical control device, when a plurality of NC program files are transferred between the numerical control device and the central processing unit via the transfer line, the NC program files can be transferred by one operation without leaving the machine. The work efficiency can be greatly improved as compared with the conventional technology.

[Brief description of drawings]

FIG. 1 is a block diagram showing a direct numerical control device according to the present invention.

FIG. 2 is a block diagram showing a direct numerical control device according to the present invention.

FIG. 3 is a configuration diagram of a transfer format of a plurality of NC program files according to the present invention.

FIG. 4 is an explanatory diagram of a file name designating method according to the present invention.

FIG. 5 is a block diagram showing a direct numerical control device of a conventional technique.

FIG. 6 is a block diagram showing a direct numerical control device of a conventional technique.

FIG. 7 is an explanatory diagram of a conventional file transfer method using a wild card.

[Explanation of symbols]

1 numerical control device, 2 central processing unit, 3 CRT, 4
Keyboard, 5 internal storage device, 6 external storage device,
7 communication control unit, 8 communication control unit, 9 transfer line.

Claims (2)

[Claims] 1. A numerical control device having an internal storage device capable of storing a plurality of NC program files necessary for machining a workpiece, and an external storage device capable of registering a plurality of NC program files. And a central processing unit connected by a transfer line, and a direct numerical control device capable of continuously transferring a plurality of NC program files requested by the numerical control device from the central processing unit to the numerical control device. In the numerical control device, a file name requesting unit capable of generating a file name of an NC program file requested to the central processing unit in at least a partial match format, and the central processing unit based on a request from the file name requesting unit NC program files transferred continuously from
File registration means for registering a file name in the internal storage device by dividing the file for each file, wherein the central processing unit requests a file name from the file name requesting means of the numerical control device, The NC program file registered in the external storage device is continuously searched for a file name searching unit that searches for the requested file name, and all NC program files searched by the file name searching unit. And a continuous file transfer means for transferring the data to the numerical control device. 2. The direct numerical control device according to claim 1, further comprising: for continuously transferring a plurality of NC program files designated by the numerical control device from the numerical control device to the central processing unit, The numerical controller is registered in the internal storage device, and a file name requesting unit capable of designating the file name of the NC program file to be transferred to the central processing unit in the format of at least partial matching to the internal storage device. File name search means for searching whether or not the specified file name exists in the NC program file, and continuous transfer of all NC program files searched by the file name search means to the central processing unit. File transfer means, wherein the central processing unit continuously transfers data from the numerical control device. Direct numerical controller of the NC program file, characterized by comprising a file registration means for registering with divided and file name 1 each file in the external storage apparatus.