JP2009053800A - Plate management method and device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a plate management method capable of easily managing the form of an end member without making a mistake about the correspondence between an actual end member and stored information. <P>SOLUTION: A recording medium 1 is attached to an end member WA which is a plate remaining after part of a plate material W is cut away. Information showing the form of the end member WA is recorded on the recording medium 1 as end member information D serving as information about the end member WA. Alternatively, identification information for obtaining information on the form of the end member WA through collation with a data management means is recorded. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a plate material management method for managing the shape of an end material for use of the end material when a part of the material plate material is cut by a plate material processing machine such as a punch press or a laser processing machine. And management device.

  When a product plate material is cut from a material plate material by a plate material processing machine such as a punch press or a laser processing machine, an end material in a state where only a part of the material plate material is cut off may remain. Such end material can be used as a raw material and the remaining part can be processed. However, the processing program of the NC device that controls the plate material processing machine uses nesting, that is, a plate for the original fixed-size material plate material. Removal has been performed, and nesting is required again when using offcuts.

For this reason, it is difficult to reuse the end material as described above, and it has been generally discarded. In some cases, scraps are stored on shelves and reused as materials. Patent document 1 etc. are proposed as an apparatus which carries out nesting again with respect to an end material.
JP-A-5-185255

  When nesting the end material for reuse, it is necessary to know the shape of the end material, that is, the shape of the product plate material cut from the material plate material. However, it is difficult to manage the shape of the remaining material as various shapes, and even if it is managed on a computer etc., the data of the material on the screen etc. does not match the actual material. , Inadvertent machining may occur unexpectedly.

An object of the present invention is to provide a plate material management method capable of easily managing the shape of the end material without causing an error in correspondence between the actual end material and recorded information.
Another object of the present invention is to make it possible to easily and correctly write information on a recording medium attached to an end material without causing an error due to change or stop of processing or trouble during processing. .
Still another object of the present invention is to prevent registration mistakes and reduce maintenance man-hours for data entry in a management system for plate material processing equipment that reuses end materials when storing the end materials together. It is to be.

In the plate material management method of the present invention, a recording medium (1) is attached to an end material (WA) which is a remaining plate material obtained by performing a process of cutting a part from a material plate material (W), and the recording medium (1) is attached to the recording medium (1). The end material information (D) including the shape information of the end material (WA) or the identification information for obtaining the shape information of the end material from the data management means (24) for storing and managing the shape information is recorded. This is a method for managing the shape of the end material (WA). The recording medium (1) may be attached to the end material at any time before, during or after the processing.
According to this method, since the recording medium (1) is attached to the end material (WA) and the end material information (D) which is information such as the shape of the end material (WA) is recorded, the actual end material (WA) is used. The end material information (D) can be read. Therefore, the shape of the end material (WA) can be easily managed without causing a correspondence error between the actual end material (WA) and the stored information. The shape information of the end material in the end material information (D) is information indicating the shape of the end material (WA), and is, for example, line data or coordinate data. When the identification information is stored as the end material information (D), the shape information of the end material (WA) is obtained by collating with data management means such as a database.

In the present invention, when the processing for generating the end material (WA) is completed, or in the process of unloading the end material (WA) for which the processing has been completed from the plate material processing machine (2) that has performed the processing, The end material information (1) may be recorded on the recording medium (1).
In this way, since the writing to the recording medium (1) is performed after the processing is completed, unlike the case of writing before or during the processing, when the planned processing is changed or stopped, or during the processing In the case where trouble occurs in the case, the end material information (D) such as the shape of the end material corresponding to the situation such as change, cancellation, trouble or the like can be recorded. In addition, since the writing to the recording medium (1) is performed at the completion of the processing or in the unloading process without the movement of time or place after the completion of the processing, the actual end material (WA) that has passed through the movement of the time or place ) And milling material information (D) are less likely to cause an error in correspondence, and accurate information can be stored. As described above, the information can be easily and correctly written on the recording medium (1) attached to the end material (WA) without causing an error due to change or stop of the processing or trouble during processing.

In this invention, an end material stocker (6) for accommodating a plurality of the end materials (WA) is provided, and the end material stocker (6) is provided with the end material (WA) from the recording medium (1). A reader (10) for reading the end material information (D) and a transmission means (11) are provided, and the end material information (D) read by the reader (10) is used to manage the plate material processing facility (3) ( 7) may be transmitted by the transmission means (11).
Thus, by providing the end stocker (6) with the reader (10), it is possible to prevent registration errors in the management system (7) of the plate processing facility (3) that reuses the end stock (WA), and data Input maintenance man-hours can be reduced.

The plate material management apparatus according to the present invention includes a recording medium attachment mechanism (8) for attaching a recording medium (1) to an end material (WA) which is a remaining plate material obtained by cutting a part of the material plate material (W). The recording medium writer (9) for recording on the recording medium (1), and the shape information of the end material (WA) or the end material on the recording medium (1) via the recording medium writer (9) A recording medium writing control (23) for recording end material information (D) including identification information for obtaining the shape information of the end material from data management means for storing and managing the shape information of (WA). Note that either the attachment of the recording medium (1) to the end material by the recording medium attachment mechanism (8) or the recording to the recording medium (1) may be performed first. Further, the recording medium attaching mechanism (8) may attach the recording medium (1) to a portion to be the end material (WA) in the state of the raw material plate (W).
According to this configuration, the above-described plate material management method of the present invention can be carried out, and writing of information to the recording medium (A) attached to the end material (WA) is erroneous due to change or stop of processing or trouble during processing. Can be performed easily and correctly.

In the plate material management method of the present invention, a recording medium is attached to an end material which is a remaining plate material obtained by cutting a part from a material plate material, and the shape information of the end material or the end material is attached to the recording medium. Since it is a method of managing the shape of the end material by recording the end material information including identification information for obtaining the shape information of the end material from the data management means for storing and managing the shape information, The shape of the end material can be easily managed without causing a correspondence error between the end material and the stored information.
The end material information is recorded on the recording medium when the processing for generating the end material is completed or in the process of unloading the end material for which the processing has been completed from the plate material processing machine that has performed the processing. In this case, information can be easily and correctly written on the recording medium attached to the end material without causing an error due to change or stop of processing or trouble during processing.
An end material stocker that accommodates a plurality of the end materials is provided, and the end material stocker is provided with a reader that reads the end material information from a recording medium of the accommodated end material, and a transmission unit. When material information is transmitted to the management system for managing plate material processing equipment by the transmission means, it is possible to prevent registration errors in the management system for the plate material processing facility that reuses the end material, and maintenance man-hours for data entry Can be reduced.

  The plate material management apparatus according to the present invention includes a recording medium attachment mechanism that attaches a recording medium to an end material, which is a remaining plate material obtained by cutting a part of the material plate material, and a recording medium writer that performs recording on the recording medium. The edge including the identification information for obtaining the shape information of the end material from the data management means for storing and managing the shape information of the end material or the shape information of the end material on the recording medium via the recording medium writer. Since the recording medium writing control for recording the material information is provided, the plate material management method of the present invention can be implemented, and the writing of information to the recording medium attached to the end material can be changed, stopped or troubled during the processing. It is possible to carry out easily and correctly without causing an error.

  An embodiment of the present invention will be described with reference to the drawings. This plate material management method is a method of managing the shape of the end material WA by attaching the recording medium 1 to the end material WA and recording the end material information D, which is information about the end material WA, on the recording medium 1. It is.

  The end material WA is a plate material that becomes a remaining portion obtained by performing a process of cutting a part from the material plate material W by the plate material processing machine 2. In the example shown in the drawing, the end material WA has a shape having two holes H by cutting out two product plate materials w from a rectangular material plate material W. The material plate W may be a resin plate or the like in addition to the sheet metal. The plate material processing machine 2 is a processing machine capable of cutting a plate material, such as a punch press such as a turret punch press or a laser processing machine.

  As the recording medium 1, an IC tag, a bar code recording body, or the like is used. The IC tag is a wirelessly readable / writable tag such as a wireless IC tag, and may be capable of overwriting recorded contents or not. The bar code recording body is, for example, a sheet describing a one-dimensional or two-dimensional bar code.

  The end material information D is information related to the end material WA, and includes at least identification information for obtaining the shape information of the end material WA by collating with the shape information of the end material WA or the data management unit 24 (FIG. 2). The data management means 24 is means for storing the shape information in association with the identification information, and is provided in any of the computers constituting the plate material processing facility management system 7 described later. When a bar code recording material is used for the recording medium 1, the identification information is recorded.

As the end material information D, in the illustrated embodiment, shape information Da and history information Db are recorded. The shape information Da is information with which the coordinate data of the shape including the outer shape of the end material WA and the hole H can be recognized, and may be a vector data format such as line data or a format indicated by dots.
The history information Db is data indicating what process has been reached from the material to the current material. Specifically, as the history information Db, the program number of the machining program that machined the end material WA, the schedule number indicating the machining schedule, and the nesting order that is the order number for nesting the material plate material W at once. Number etc. are included. These program numbers, schedule numbers, and nesting order numbers may all be recorded, or any number may be recorded.
In addition to this, the end material information D may include data on the plate thickness and material.

  Note that the program number, schedule number, and nesting order number, which are the history information Db, can be obtained by checking the shape of the end material WA by checking the contents of the machining program if any of these numbers is known. Any of a number, a schedule number, a nesting order number, and the like may be used as identification information for obtaining information on the shape of the end material WA by collating with the data management means.

FIG. 2 is an explanatory diagram showing an outline of a plate material processing facility to which this plate material management method is applied, and its management system 7. A part of the management system 7 constitutes the plate material management apparatus of this embodiment.
The plate material processing facility 3 includes a plate material processing machine 2, a loader 4, a plate material accommodation facility 5, and an end material stocker 6. The loader 4 is a device that carries the material plate material W into and out of the product plate material w from the plate material processing machine 2, and is installed on the traveling body 4b that travels along the rail 4a and holds the plate material. A plate holder 4c having a plurality of vacuum suction pads and the like. The loader 4 can be used for loading and unloading the end material WA with respect to the plate material processing machine 2. The plate material accommodation facility 5 is a facility such as a pallet or a cart that accommodates the material plate material W and the product plate material wa. In the plate material accommodation facility 5, the material plate material W accommodation location and the product plate material w accommodation location may be separated or close to each other. The plate material accommodation facility 5 may further accommodate the end material WA.

  The end material stocker 6 is a facility for storing a plurality of reusable end materials WA as materials, and includes, for example, a plurality of shelves 6a on which one end material WA is placed. In this example, the end material stocker 6 is installed adjacent to the plate material processing machine 2, and without using the loader 4, a plate material loading / unloading mechanism (not shown) included in the end material stocker 6 and the plate material included in the plate material processing machine 2. The end material WA can be taken in and out directly between the plate material processing machine 2 and the plate material stocker 6 by a feed mechanism (not shown).

  In the plate material processing facility 3, a recording medium mounting mechanism 8 and a recording medium writer 9 are installed in the plate material processing machine 2. The recording medium attachment mechanism 8 is an apparatus that attaches the recording medium 1 to the end material WA by pasting or the like, and when processing of the material plate material W that generates the end material WA is completed, or when the material plate material W is carried in, or During the processing, the recording medium 1 is attached. The recording medium writer 9 is means for recording the end material information D on the recording medium 1 attached to the end material WA, that is, writing means. When the processing is completed, the recording medium writer 9 writes the end material WA generated by the processing. Do.

The recording medium attachment mechanism 8 and the recording medium writer 9 may be provided in the loader 4, the recording medium attachment mechanism 8 may be provided in the plate material processing machine 2, and the recording medium writer 9 may be provided in the loader 4. When the recording medium attachment mechanism 8 and the recording medium writer 9 are provided in the loader 4, the end of the recording medium 1 is processed in the process of carrying out the processed end material WA from the plate material processing machine 2 that has processed the loader 4. Attachment to the material WA and writing of the end material information D to the recording medium 1 can be performed.
In addition, when attaching the recording medium 1 at the time of completion of processing or after that, after writing the end material information D to the recording medium 1, the written recording medium 1 is attached to the end material WA. May be.

  The end material stocker 6 is provided with a reader 10 for reading the end material information D from the recording media 1 of all the accommodated end materials WA, and a transmission means 11 for managing the end material information D read by the reader 10. Transmission is made to the system 7 by the transmission means 11.

  The management system 7 is a device that manages the plate material processing facility 3, and includes a processing machine control device 12, a loader control device 13, and a stocker control device 14 that respectively control the plate material processing machine 2, the loader 4, and the end stocker 6. I have. In addition to this, the management system 7 includes an automatic programming device 15, a machining program storage unit 16, and a schedule management device 17. The management system 7 is further provided with a recording medium writing control means 23.

  The plate material processing machine control device 2 includes a computer-type numerical control device, a programmable controller, and the like, and has an arithmetic control unit 19 that executes a machining program 18 and gives a control command to the plate material processing machine 2. The loader control device 13 includes a computer-type numerical control device, a programmable controller, and the like, and includes an arithmetic control unit 21 that executes a loader program 20 and gives a control command to the loader 4.

  The automatic programming device 15 is a device such as a computer that generates a processing program 18 for performing processing indicated by the graphic data from the input graphic data and raw material plate data. There is a nesting means 15a for cutting the figure w according to the setting rule. A machining program 18 is generated for the nested figure data. Each generated machining program 18 is stored in the machining program storage means 16 with a program number.

  The schedule management device 17 is a device such as a computer that manages a schedule processed by the plate material processing machine 1, and includes a schedule creation unit 17a, a schedule storage unit 17b, and a schedule execution unit 17c. The schedule creation unit 17a is means for automatically generating or supporting generation of a schedule that defines the execution order and the number of executions of the machining program 18. The schedule storage unit 17b is means for storing the schedule created by the schedule creation unit 17a together with the schedule number. One schedule number is assigned to each predetermined group for executing the machining program 18. The schedule creation unit 17a is not necessarily provided, and a schedule generated elsewhere may be recorded in the schedule storage unit 17b. The schedule execution unit 17c is a means for operating the processing machine control device 12 and the loader control device 13 in accordance with the schedule stored in the schedule storage unit 17b, and serves as a host control means for the machine tool control device 12 and the loader control device 13. . The schedule management device 17 may be provided on the same computer as the loader control device 13, for example.

  The material information storage means 22 includes material information that is information on the shape, size, thickness, material, etc. of the material plate material W accommodated in the plate material accommodation facility 5 etc. It is a means for storing location information indicating whether it is accommodated in a place. The material information storage means 22 is provided with an end material information storage area (not shown) for storing end material information D about the end material WA. The end material information D read by the reader 10 of the end material stocker 6 and transmitted from the transmission means 11 is stored in this end material information storage area.

The recording medium writing control means 23 is a means for controlling the generation of the end material information D as the writing contents and the writing control with respect to the recording medium writer 9 provided in the plate material processing machine 2 or the loader 4. In this embodiment, the recording medium writing control unit 23 also serves as the control unit of the recording medium mounting mechanism 8.
The recording medium writing control means 23 monitors the processing completion signal of the plate material processing machine 1 output from the processing machine control device 12. When there is a processing completion signal, the necessary data is fetched from the processing machine control device 12, the schedule management device, the material information storage means 22, etc., and the material that has been processed according to a predetermined standard (for example, the standard for the yield and the dimensions of the remaining portion). It is determined whether or not the remaining portion of the plate material W is a reusable end material WA. If it is determined that the end material WA is reusable, the end material information D is generated according to a predetermined standard, and the generated end material information D is transferred to the recording medium 1 of the end material WA by the recording medium writer 9. Let it be written. Further, the recording medium attachment mechanism 8 is caused to attach the recording medium 1 to the end material WA.

  Next, a plate material management method having the above configuration will be described. As described above, when a reusable end material WA is generated, the recording medium 1 is attached to the end material WA, and the end material data D is recorded. In this end material data D, the shape of the end material WA at the completion of processing includes the shape information Da or identification information for shape comparison. By reading the end material data D, the end material WA is read. You can know the shape of. Thus, since the recording medium 1 is attached to the end material WA and the end material information D, which is information such as the shape of the end material WA, is recorded, the end material information D can be read from the actual material of the end material WA. Therefore, the shape of the end material WA can be easily managed without causing a correspondence error between the actual end material WA and the stored information.

In this embodiment, history information Db such as a program number, a schedule number, and a nesting order number is included as the end material information D, and therefore it can be determined which processing is the end material WA when it is completed. From the history information Db, the shape and the like of the end material WA can be more specifically known.
Even if the shape information Da directly indicating the shape is not included as the end material information, if the history information Db is included, it is possible to determine which end material WA is when the processing is completed, By checking with the means, the shape of the end material WA can be known.

  In addition, since the end material information D is written after the machining is completed, unlike the case where it is written before or during the machining, there is a problem when the scheduled machining is changed or stopped, or during the machining. When it occurs, it is possible to record the end material information D such as the end material shape corresponding to the situation of such change, cancellation, trouble or the like. In addition, since the writing to the recording medium is performed at the completion of the processing or in the unloading process without moving the time or place after the processing is completed, the actual end material WA and the end material information after the time or place is moved. There is little chance of a correspondence error with D, and accurate information can be stored. As described above, information can be easily and correctly written on the recording medium 1 attached to the end material WA without causing an error due to change or stop of the processing or trouble during processing.

  In this embodiment, since the end stocker 6 is provided with the reader 10 and the read end material information D is transmitted to the management system 7, registration mistakes for the management system 7 can be prevented, and the maintenance man-hour for data input can be reduced. Can do.

It is explanatory drawing which shows the relationship between the end material in the board | plate material management method which concerns on one Embodiment of this invention, a recording medium, and end material information. It is explanatory drawing of the conceptual structure of the installation containing the board | plate material management apparatus to which the board | plate material management method is applied.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Recording medium 2 ... Plate material processing machine 3 ... Plate material processing equipment 4 ... Loader 5 ... Plate material accommodation equipment 6 ... End material stocker 7 ... Management system 8 ... Recording medium attachment mechanism 9 ... Recording medium writer 10 ... Reader 11 ... Transmission means 12 ... Processing machine control device 13 ... Loader control device 17 ... Schedule management device 22 ... Material information storage means 23 ... Recording medium writing control means D ... End material information Da ... Shape information Db ... History information H ... Punch hole W ... Material plate material WA ... Milling material w ... Product board

Claims (4)

  Data for storing and managing the shape information of the end material or the shape information of the end material on this recording medium by attaching a recording medium to the end material, which is the remaining plate material that has been processed by cutting off a part from the material plate material A plate material management method for managing the shape of the end material by recording the end material information including identification information for obtaining the shape information of the end material from a management means.   The end material information is recorded on the recording medium when the processing that generates the end material is completed or in the process of unloading the end material that has been processed by a loader from the processed plate material processing machine. The board | plate material management method of 1 description.   An end material stocker that accommodates a plurality of the end materials is provided, and the end material stocker is provided with a reader that reads the end material information from a recording medium of the accommodated end material, and a transmission unit. The board | plate material management method of Claim 1 or Claim 2 which transmits material information to the management system which manages board | plate material processing equipment by the said transmission means.   A recording medium attachment mechanism that attaches a recording medium to an end material that is a plate material that is a remaining part obtained by cutting a part from the material plate material, a recording medium writer that records on the recording medium, and via the recording medium writer, Recording medium document for recording end material information including identification information for obtaining shape information of the end material from the data management means for storing and managing the shape information of the end material on the recording medium Board management device provided with a built-in control.

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