JP2009265878A - Standard schedule setting system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a standard schedule setting system which can totalize working hours without tasking workers and set a standard schedule, using a simple and low cost machine. <P>SOLUTION: The production management system includes a database which stores a production plan including component data about an ordered product and working procedure, and a network configured to connecting each work site that manufactures the ordered product. The system makes a work card for printing items needed for each manufacturing stage to produce a component of the ordered product from the production plan, and for embedding a RFID tag which stores data of the items. Then the system puts the work card in a card holding device having pre-work card holding device, a holding device for holding working cards with a read/write device to read/write the RFID tag, and a holding device for holding post-work cards. The system sets standard working hours for each component by calculating and totalizing working hours from the time periods of the work card staying in the holding device for holding working cards. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a standard work schedule setting system, and in particular, accurately understands the work time of various operations such as custom-made products where the work schedule until completion of the product has been done with a veteran intuition. The present invention relates to a standard construction period setting system that can be set.

  In the production plan of a made-to-order product in the production management department, a work procedure is created and the standard time of each work is used, and a work period is set for each work to determine when the delivery date of the ordered product will be. However, most of the custom-made products have not been made so far, and the work time in such cases is often estimated by work estimates by experienced workers.

  However, since such work estimates are not based on actual results, there is a problem that the work time varies depending on the worker who makes the estimate, which may be insubstantial in making a production plan. In addition, if the processing procedure changes with considerable frequency or the processing method changes due to a change in the drawing, the work time may be different from the original estimate, and the production plan may be confused.

  In addition, since a normal production plan is designed so that the margin is minimized, if there is an express project, if it is not possible to grasp what work is currently being done at the work site, There is also a problem that a work plan cannot be made.

  Regarding the estimation of such work time, for example, in Patent Document 1, the work of a worker (or machine) working on site is measured for each element work using a time measuring tool such as a stopwatch. Aggregated observation data 1 and the frequency of occurrence (per shift, etc.) for each aggregated elemental work are collected as elemental work occurrence frequency data 2, and the basic conditions have these data, personnel, and unit time as elements. The standard time totaling apparatus provided with the calculating part 3 which calculates | requires standard time from these is shown.

  Also, in Patent Document 2, an operation screen for totaling work time on a personal computer, data necessary for creating a work time total file, personal information, etc. are recorded, and the worker inputs the work start time. Thus, there is shown a work time totaling apparatus that can total the work time for each JOB.

  Further, in Patent Document 3, work items of each element work constituting a production process are registered in advance in a computer in accordance with the work order, and a start signal and an end time at the start of each element work are switched by a switch means by an operator engaged in the production process. The end signal is transmitted to the computer, and the time from the reception of the start signal to the reception of the end signal is calculated as data linked to each work item in the computer as the work time required for each element work, and the calculated data is A data summarizing method that contributes to the work analysis of the production process, in which a predetermined table or graph is automatically created by tabulating. In some cases, a bar code is used to input a work item.

  In addition, although not related to the totaling of work time, Patent Document 4 describes information on work in progress manufactured from material purchase through forging process, heat treatment process, and grinding process in order to grasp traceability in the product manufacturing process. Is recorded on the IC tag (RFID tag: Radio Frequency Identification) together with the lot number of the process, and the information recorded on the IC tag is recorded in the management database corresponding to the production number or the production lot number. A production management method for machine element products in which processing condition information for each process can be understood later is shown.

JP-A-5-282323 JP 2001-331830 A JP-A-9-297863 JP 2006-48374 A

  However, in the standard time counting device disclosed in Patent Document 1, it is necessary for a person other than the operator to measure the working time using a time measuring tool, and it takes a lot of labor and time to set the standard time. In addition, the work time counting device disclosed in Patent Document 2 requires the worker to input the work start time, requires input to the personal computer, and inputs the work time in the field of cutting and welding. In addition to interrupting the work, it is difficult to say that it is an easy-to-use system because it may be necessary to wash hands just to enter the work time.

  Further, in the data totaling method disclosed in Patent Document 3, the operator only needs to send the start and end of the work to the computer by the switch means. However, the computer is also necessary, and the machine disclosed in Patent Document 4 is also necessary. The production management method for elemental merchandise is for examining processing condition information for each process later, and does not mention a method for counting work time.

  Therefore, it is an object of the present invention to provide a standard work schedule setting system that is simple and inexpensive equipment and that can set work schedules and set a standard work schedule without imposing a burden on the operator.

In order to solve the above problems, the standard construction period setting system in the present invention is
Parts constituting the ordered product in a production management system having a database storing a production plan including component part data and work procedures related to the ordered product, and in which a network connecting each work place for processing the ordered product is constructed A standard work schedule setting system for obtaining a standard work time of work required for each production and setting a standard work schedule for each of the ordered products,
RFID that prints the items necessary for the execution of the work and stores the item data for each work necessary for manufacturing the parts constituting the ordered product by the production plan connected to the network and stored in the database A work card creation device that creates a work card with tags, a pre-work card storage unit that stores the work card created by the work cart creation device before work, and a read / write device that reads and writes data of the RFID tag A card storage device having a working card storage unit for storing the working card with a device, a post-work card storage unit for storing the work card after the work is completed, and connected to the network; From the result of reading the RFID tag of the work card by the read / write device, the work card is placed in the work card storage unit. Calculating the work time time and detects a time of moving the work after the card storage portion, and a computer to send to the production control system consists,
In the production management system, the work time sent from the computer is totaled, a standard work time for each part is set, and a standard work period for each ordered product is set.

  In this way, for each work required to produce the parts that make up the ordered product, an operation card is created in which an item necessary for the operation is printed and an RFID (Radio Frequency Identification) tag storing the item data is arranged. However, prior to the start of work, the work card is moved from the pre-implementation card storage unit to the in-work card storage unit, and further moved to the post-work card storage unit at the end of the work. No work such as washing is required, and the work card is stored in the working card storage unit from the reading result of the RFID tag of the read / write device provided in the working card storage unit by a simple work that can be performed without feeling any burden. Can be easily calculated.

  Therefore, it does not take a lot of labor and time to measure work time with a stopwatch or the like as in the conventional method, and an expensive personal computer is installed at each work place to wash hands. The cost of inputting data can be increased, and the work time can be easily and accurately tabulated with a very simple and inexpensive configuration without taking the extra work required for workers. It is possible to provide a standard work period setting system that can accurately set the standard work period.

  The production management system includes an analysis system that grasps a current work based on a reading result of the RFID tag from the read / write device and analyzes a progress state with respect to the production plan. Then, it is possible to provide a standard construction period setting system that can manage not only the work time but also the work progress and the work state of the worker at the same time.

  Further, the work card creation device has a function of creating a work card different from the work card created before the design change, including the design change information data of the parts stored in the database, The computer has a function of detecting the placement of the work card before the design change on the card storage unit during the work based on the reading result of the RFID tag by the read / write device and issuing a warning signal. In the invention, a standard construction period setting system having a function for preventing an operator from working on erroneous data without knowing a design change can be provided.

  Further, the computer detects the loading of the work cards in the order different from the work procedure of the production plan stored in the database, based on the reading result of the RFID tag from the read / write device. And since it has a function which issues a warning signal, it can be set as the standard work schedule setting system provided with the function which prevents that when an operator tries to work in the order of work mistakenly.

  The work card is created in a different color for each device to be worked on or for each operator, so that even in a workplace where a plurality of similar processing devices are lined up, each device, worker By creating work cards with different colors for each, it is possible to provide a standard construction period setting system that can give work instructions without causing erroneous instructions.

  As described above, the standard work period setting system according to the present invention simply moves the work card from the pre-work card storage unit to the work card storage unit prior to the start of work, and further moves to the post-work card storage unit at the end of the work. The operator does not need to wash his hands or the like, and the work time can be accurately calculated only by performing a simple work which can be performed without feeling any burden. Therefore, it does not take a great effort and time-consuming method of measuring work time with a stopwatch or the like as in the conventional method, and it is costly to install an expensive personal computer at each work place. A standard that allows you to easily and accurately aggregate work time with a very simple and inexpensive configuration, without having to take extra steps on the staff, thereby accurately setting the standard work period for each ordered product. A work schedule setting system can be provided.

  In addition, the standard construction period setting system according to the present invention includes an analysis system for analyzing the progress status of the production plan, so that the progress status of the work and the work status of the worker can be managed simultaneously. When there is a change, it is possible to prevent erroneous work such as work using a work card before the design change and work using a work order different from the work procedure of the production plan. In addition, since the work card has a different color for each device to be worked or for each operator, work instructions can be given without causing a mistake even in a workplace where a plurality of similar processing devices are lined up. It can be a standard construction period setting system.

  Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the drawings. However, the dimensions, materials, shapes, relative arrangements, and the like of the components described in this embodiment are not intended to limit the scope of the present invention unless otherwise specified, but are merely illustrative examples. Not too much.

  FIG. 1 is a block diagram showing an example of the configuration of a production management system having a standard construction period setting system according to the present invention. In the figure, 10 is a main computer constituting the production management system, 101 is a production plan including component data relating to an ordered product and work procedure 102, and 103 is a production management system storing these production plan 101 and work procedure 102. A database 104 is an RFID tag data database that stores data such as work time obtained from RFID (Radio Frequency Identification) tag data described below.

11 is a client computer installed in each workplace, 111 ₁ , 111 ₂ ,... Is a work card creation device shown in FIG. 2 to be described later, 112 ₁ , 112 ₂ ,. ₁ , 12 ₂ ,... Is a work time counting computer, 13 is a network, 14 ₁ , 14 ₂ ,... Are created by work card creation devices 111 ₁ , 111 ₂ ,. work card, 15 work management checklist printer ₁₁₂ 1, 112 _2, are printed in ......, work management checklist for implementing such _{measurements,} 16 _1, 16 2, _..., 17 1, 17 ₂ , .... the card holding _apparatus, 18 _1, 18 2, _..., 19 1, 19 _2, ... working card ₁₄ 1, 14 _2, RFID arranged in ...... Grayed lead (R) / write (W) device, 20 and 23 non-working working card storage portion, 21 and 24 work in the working card storage portion, 22 and 25 post-operation card storage _section, 26 1, 26 ₂ ... Are objects to be measured. Card storage devices 16 and 17 correspond to individual welding equipment (equipment A), machining (cutting: equipment B), machining (grinding: equipment C), etc. installed in each workplace. Is provided.

  In the present invention, when an order for a product is transmitted to the production management system, it is first considered in what process the product is manufactured, and a production plan 101 including a work procedure manual 102 is created. It is stored in the production management system database 103 via the main computer 10. When the production plan 101 including the work procedure manual 102 is stored in the production management system database 103, the client computer 11 installed in each workplace manufactures parts constituting the ordered product described in the work procedure manual 102. For each operation required for the operation, the items necessary for performing each operation are printed, and the operation card 14 in which the RFID tag storing each item data is arranged is used by the operation card generation device 111 and the operation management checklist generation printer 112. The work management checklist 15 is created respectively.

  An example of the work card 14 is shown in FIG. In FIG. 2, reference numeral 14 denotes an order number 14a, a product so that the contents can be understood for each work necessary for producing a part constituting the order-made product described in the work procedure manual 102 on a card having a size of, for example, a business card. Name 14b, destination (customer name) 14c, work procedure 14d, item 14e, drawing number 14f, etc. are printed. At present, since the RFID tag can be printed by a dedicated thermal transfer printer, the RFID tag 14g storing the print data described above can be read by the RFID tag read (R) / write (W) devices 18 and 19 shown in FIG. Print in position.

  Further, in the workplace where a plurality of similar processing devices are lined up, the work card may be handed over to a device other than an erroneously designated device or an operator. In order to prevent this, for example, if it is created in a different color for each device or for each operator, if it is given to the wrong device or operator, it is immediately determined that it is wrong, and the instruction is wrong. Can be prevented.

FIG. 3 is a diagram for explaining in what division a work card having an RFID tag used in the standard construction period setting system according to the present invention is created. Now, for example, the processing of a part constituting a certain order-made product requires processing in each equipment such as welding processing 161, machining (cutting) 162, machining (grinding) 163, and so on. Further, if it is divided into work 1, work 2, work 3,..., Work card 1 (14 ₁ ), work card 2 (14 ₂ ), Work cards 3 (14 ₃ ),... Are created by the work card creation device 111.

Therefore, work card 1 (14 ₁ ), work card 2 (14 ₂ ), work card 3 (14 ₃ ),... Are used for welding process 161, but work card 1 (14 ₄ ) is used for machining (cutting) 162. , Work card 2 (14 ₅ ), work card 3 (14 ₆ ),... But machining (grinding) 163 has work card 1 (14 ₇ ), work card 2 (14 ₈ ), work card 3 (14 ₉ ),... Are delivered together with the work management checklist 15 created by the work management checklist creation printer 112 and the work described on each work card is performed.

  In the case of work that requires a long construction period, it is not uncommon for a design change to be made in the middle. In such a case, in the present invention, the work card 14 including the design change data is used as a card before the design change. Create separately. That is, in the design change, since the drawing is usually revised and the work procedure (work management checklist 15) is often changed accordingly, for example, a serial number is assigned to the drawing number to correspond.

  In this case, the work with the new work card is performed, but the information may not be transmitted correctly, and the work may be performed with the work card before the design change. Therefore, in the standard construction period setting system of the present application, the data relating to the design change stored in the production management system database 103 is also transmitted to the client computer 11 through the network 13, and the contents of the RFID tag 14g arranged on the work card are read ( R) / Light (W) When read by the devices 18 and 19, if work is to be performed on the work card before the design change, it is indicated that the contents of the work card are not correct. Displayed on the display screen to alert the worker with a warning.

This is not only in the case of a design change, but for example, if the work card 14 is instructed to work in order of 14 ₁ , 14 ₂ ,. Is displayed in a voice or on the display screen of the client computer 11, and a warning is given to the worker to call attention.

  In the standard construction period setting system according to the present application, not only such a design change and an error in the work order but also the client computer 11 is currently working based on the reading result of the RFID tag from the read / write devices 18 and 19. If you have an analysis system that understands the work and analyzes the progress status against the production plan, you can manage the work progress status and the worker's work status at the same time as well as simply counting the work time. It becomes.

  In addition, the work management checklist shown at 15 in FIG. 1 also describes the procedure for measuring and confirming whether a purchased product or a product manufactured by subcontracting is manufactured as designed. Unlike the machining operation, the measurement object 26 and the work management checklist 15 are sent together to the department in charge, and the measurement described in the work management checklist 15 is performed.

  FIG. 4 is a flowchart up to the issue and collection of work cards in the standard work schedule setting system according to the present invention. Hereinafter, the present invention will be described in more detail with reference to the flowchart of FIG. 4 and the block diagram of FIG.

  When an order for a product is transmitted to the production management system in step S10 of FIG. 4 and the process starts, first, in step S11, the production plan 101 relating to the ordered product is created as described above. In step S12, component data and work are performed. Procedure 102 is created. The production plan 101 and work procedure 102 are stored in the production management system database 103 via the main computer 10 as described above, and the production plan 101 including the work procedure manual 102 is sent to each workplace via the network 13. The information is transmitted to the installed client computer 11.

Then, the client computer 11 installed in each workplace, as described in FIG. 3, creates a work card creation device for each work necessary for producing the parts constituting the ordered product described in the work procedure manual 102 in step S <b> 13. 111, work management checklist creation printer 112, for example, welding 161, machining (cutting) 162, machining (grinding) 163,... 3,..., A work card 1 (14 ₁ ), a work card 2 (14 ₂ ), and a work card 3 each having an RFID tag 14 g storing each item data are printed. (14 ₃ ),... And a work management checklist 15 corresponding to each work is created.

  For example, when measuring the measurement object 26 instead of processing, only the work management checklist 15 is printed using the work management checklist creation printer 112 and delivered to the department in charge together with the measurement object 26. On the other hand, the created work card 14 and work management checklist 15 are distributed to each work department in step S14. In each work department, the work manager is responsible for each work, that is, the work card 14 in step S15. 3 is divided into, for example, welding 161, machining (cutting) 162, machining (grinding) 163, and the like, and a work management checklist 15 is given to give a work instruction.

At that time, the work cards 14 divided into a plurality of pieces for each facility are placed in an unworked work card storage section indicated by 20 in FIG. When the worker starts the processing work in step S16, the work card corresponding to the work, for example, work card 1 (14 ₁ ) is moved to the work card storage units 21 and 24 during work.

  Then, the RFID tag read (R) / write (W) devices 18 and 19 provided in the work card storage units 21 and 24 during work are stored in the RFID tag 14g of the work card 14 as described in FIG. Data such as the order number 14a, the product name 14b, the destination (customer name) 14c, the work procedure 14d, the item 14e, and the drawing number 14f are read and sent to the work time counting computer 12.

  At this time, the work time counting computer 12 first collates the contents of the work card read by the RFID tag read (R) / write (W) devices 18 and 19 in step S18 with the production management system database 103 of the production management system. As described above, it is checked whether the order of work is correct and whether the work card reflects the design change in the next step S19. As described above, the voice or the display screen of the work time totaling computer 12 displays the error, and prompts the user to carry out the work using the correct work card.

  Therefore, if the order of work is wrong, or if the work card 14 does not reflect the design change, the process proceeds to step S20 to warn that the card is wrong, and the correct work card is set in step S21. And it returns to step S18 and repeats the above operation | work. If both step S18 and step S19 are correct work cards, the process proceeds to step S22 to start the processing work.

  At this time, the work time counting computer 12 reads the data stored in the RFID tag 14g of the work card 14 when the work card 14 is set in the work card storage units 21 and 24 during work, as described above. A check is made as to whether or not the card is correct. If the card is correct, the time when the work card 14 is set in the work card storage units 21 and 24 during work is referred to and stored.

  When the work supported by the work card is completed, the worker moves the work card 14 to the post-work card storage units 22 and 25 in step S23, so that the work time counting computer 12 causes the work card 14 to work after the work card 14 is worked. The time transferred to the card storage units 22 and 25 is referred to, and the difference from the time when the work card 14 is set in the work card storage units 21 and 24 stored in advance is obtained. The time required for the work is calculated and the data is sent to the main computer 10. Therefore, the main computer 10 stores the time required for the work of the work card 14 in the database 104 together with the data stored in the RFID tag.

  When the work of all work cards 14 is completed in this way, the work cards 14 are collected in step S24, the printed items are deleted, and the RFID tag is also deleted for the next work instruction. Used.

  On the other hand, the work time of each work card 14 stored in the database 104 is calculated by summing up the work time of the work corresponding to each fixed period, for example, a histogram is created and statistical processing is performed, and the standard time of the corresponding work is calculated. Has been reviewed.

  Thus, the standard work period setting system according to the present invention simply moves the work card from the pre-work card storage unit to the in-work card storage unit prior to the start of work, and further moves to the post-work card storage unit at the end of the work. The worker does not need to wash his hands or the like, and the work time can be accurately calculated by simply performing a simple work which can be performed without feeling any burden. Therefore, it does not take a great effort and time-consuming method of measuring work time with a stopwatch or the like as in the conventional method, and it is costly to install an expensive personal computer at each work place. A standard that allows you to easily and accurately aggregate work time with a very simple and inexpensive configuration, without having to take extra steps on the staff, thereby accurately setting the standard work period for each ordered product. A work schedule setting system can be provided.

  In addition, the standard construction period setting system according to the present invention includes an analysis system for analyzing the progress status of the production plan, so that the progress status of the work and the work status of the worker can be managed simultaneously. When there is a change, it is possible to prevent erroneous work such as work using a work card before the design change and work using a work order different from the work procedure of the production plan. In addition, since the work card has a different color for each device to be worked or for each operator, work instructions can be given without causing a mistake even in a workplace where a plurality of similar processing devices are lined up. It can be a standard construction period setting system.

  According to the present invention, it is possible to calculate the standard work time, which has conventionally required much labor and time, at a low cost in terms of cost without imposing a burden on the worker, and to make an accurate production plan.

It is a block diagram of an example of a structure of the production management system which has the standard construction period setting system which becomes this invention. It is an example of the work card which has arrange | positioned the RFID tag used for the standard work schedule setting system which becomes this invention. It is a figure for demonstrating by what classification the work card which arranged the RFID tag used for the standard work schedule setting system which becomes this invention is issued. It is a flowchart until issue and repair of the work card in the standard work schedule setting system which becomes this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Main computer 101 Production plan 102 Work procedure 103 Production management system database 104 RFID tag data database 11 Client computer 111 Work card creation device 112 Work management checklist creation printer 12 Work time counting computer 13 Network 14 Work card 15 Work management checklist 16, 17 Card storage device 18, 19 RFID tag read (R) / write (W) device 20, 23 Unworked work card storage unit 21, 24 Work card storage unit 22, 25 Worked card storage unit 26 Measurement target

Claims (5)

Parts constituting the ordered product in a production management system having a database storing a production plan including component part data and work procedures related to the ordered product, and in which a network connecting each work place for processing the ordered product is constructed A standard work schedule setting system for obtaining a standard work time of work required for each production and setting a standard work schedule for each of the ordered products,
RFID that prints the items necessary for the execution of the work and stores the item data for each work necessary for manufacturing the parts constituting the order-made product by the production plan connected to the network and stored in the database A work card creation device for creating a work card with tags,
A working card for storing the working card, comprising a pre-working card storage unit for storing the work card created by the work card creating device before the work is performed, and a read / write device for reading and writing data of the RFID tag. A card storage device having a storage part and a post-work card storage part for storing the work card after the work is completed;
From the result of reading the RFID tag of the work card connected to the network by the read / write device, the time when the work card was placed in the working card storage unit and the time moved to the card storage unit after work A computer that detects and calculates the working time and sends it to the production management system,
In the production management system, the work schedule sent from the computer is totaled, a standard work schedule for each ordered product is set by setting a standard work time for each part, and a standard work schedule setting system.   The said production management system is equipped with the analysis system which grasps | ascertains the operation | work currently in process by the reading result of the RFID tag from the said read / write apparatus, and analyzes the progress condition with respect to the said production plan. Standard construction period setting system described in 1. The work card creation device has a function of creating a work card different from the work card created before the design change, including the design change information data of the parts stored in the database,
The computer has a function of detecting a placement of a work card before a design change on the card storage unit during work based on a reading result of the RFID tag by the read / write device and issuing a warning signal. The standard construction period setting system according to claim 1 or 2.   The computer detects placement of work cards in an order different from the work procedure of the production plan stored in the database according to the reading result of the RFID tag from the read / write device, 4. The standard construction period setting system according to claim 1, which has a function of issuing a warning signal.   5. The standard work period setting system according to claim 1, wherein the work card is created in a different color for each work target device or for each operator.

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