Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • B62D—MOTOR VEHICLES; TRAILERS
  • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
  • B62D65/005—Inspection and final control devices
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
  • G01M17/00—Testing of vehicles
  • G01M17/007—Wheeled or endless-tracked vehicles
• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
  • G07C5/00—Registering or indicating the working of vehicles
  • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
  • G07C5/0808—Diagnosing performance data
• • G—PHYSICS
  • G07—CHECKING-DEVICES
  • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
  • G07C5/00—Registering or indicating the working of vehicles
  • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
  • G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction

Definitions

• the present invention relates to a completed vehicle inspection pass verification system and method for managing data in a completed vehicle inspection process of an automobile production line.
• the body information for each automobile including information such as vehicle type, body color, equipment, options, etc. is stored in a host computer called ALC (Assembly Line Control) using the frame number as key information.
• ALC Assembly Line Control
• production management of each production process such as welding, painting, and car body assembly is performed.
• the finished car in which all the outfitting has been completed, is sent to the finished car inspection line, and the worker conducts inspections related to quality such as welding, painting, and car body assembly defects. Is called.
• This inspection result is entered by the operator on the inspection card attached to the finished vehicle. Subsequently, inspections such as legal compliance alignment, side slip, brake speed, emission, etc. are performed, and these measured values are added to the inspection card described above by the operator.
• the worker inputs, for example, information related to the inspection results written on the inspection card from a terminal keyboard connected to the ALC.
• the worker determines that the completed vehicle has passed the inspection, and inputs the information of “OK” for shipment to this terminal.
• An inspection certificate is issued, and the finished vehicle is shipped to a dealer.
• JP 2002-12177 A (see paragraphs 0009 to 0015, FIG. 1 and FIG. 2) is provided with a barcode in each inspection process of the finished vehicle inspection line.
• An inspection result management system is disclosed that reduces erroneous input when inputting inspection results to terminals by using labels. More specifically, the inspection procedure in the inspection result management system disclosed here is as follows. First, the measurement values in each inspection process are printed as a bar code and a label, and sequentially printed on the inspection instruction sheet as an inspection card. Affix it. In the final process of the finished vehicle inspection line, the barcode attached to the inspection instruction sheet is read using a barcode reader, and the measurement value of each inspection process is stored in the inspection result data collection PC. Each inspection determination is performed. The inspection results for each inspection process are printed out and the final inspection decision is made.
• a completed vehicle that has been fully equipped at an automobile assembly plant is subjected to a human inspection process for performing an inspection relating to quality, and a mechanical inspection for performing an inspection complying with laws and regulations using an inspection machine.
• a completed vehicle inspection pass verification system in a completed vehicle inspection line comprising a process and a pass / fail determination process for performing a comprehensive pass / fail determination based on inspection results of the human inspection process and the machine inspection process. provide. This system is attached to the completed vehicle, and an identification number for identifying the completed vehicle and an inspection result in the human inspection process are provided.
• the inspection management means for storing the written inspection card and the information of the determination result indicating the pass / fail of the inspection in the machine inspection process in association with the identification number, and in the pass / fail determination step
• the inspection management means Request information for requesting the determination result information corresponding to the identification number is transmitted, based on the determination result information received in response to the request information and information on the inspection result of the human inspection process received from the input means.
• quality control means for generating comprehensive judgment information indicating whether or not all inspection items of the human inspection process and the machine inspection process have passed. Including.
• the quality control means Since the pass / fail of the inspection is determined, errors in the determination can be suppressed as compared with the case where the operator determines the pass / fail of the comprehensive inspection.
• the completed vehicle inspection pass verification system includes production instruction means for storing information necessary for production of the completed vehicle as vehicle information in association with the identification number, and an entrance of the inspection machine in the machine inspection step. It is preferable to further include an identification number reading means that is installed on the side and reads the identification number written on the inspection card, but is not limited thereto.
• the production instruction means searches for the vehicle body information corresponding to the identification number based on the identification number of the completed vehicle received from the identification number reading means, and transmits it to the inspection management means.
• the inspection management means includes storage means for storing a judgment reference value of the machine inspection process corresponding to the vehicle body information.
• the vehicle body information On the basis of the information, a determination reference value for the machine inspection process is searched from the storage means, and based on the determination reference value, determination result information indicating pass / fail of the inspection is determined by determining the measurement value of the inspection machine.
• the determination result information is output and stored in the storage means in association with the identification number.
• the measurement value of the inspection machine in the machine inspection process is directly sent to the inspection management means. Therefore, it is possible to suppress errors in measurement value input and judgment.
• vehicle body information corresponding to the frame number of the completed vehicle is transmitted, and the judgment reference value is selected accordingly. Therefore, even in an environment where various types of vehicles are mixed, the completed vehicle inspection line is used. Inspection can be performed.
• the completed vehicle inspection pass verification system may further include an output unit that receives the comprehensive determination information and the determination result information from the quality control unit and outputs them in a desired format.
• the output unit may include a printing unit that prints and outputs a predetermined inspection pass certificate when the comprehensive determination information received from the quality control unit indicates an inspection pass.
• the output means for example, based on the determination result information received from the quality control means, a display means for creating and outputting a display screen displaying a list of the results of the inspection in the machine inspection process. It must be included.
• the inspection means certificate is output by the printing means without the intervention of the operator, it is possible to suppress errors that occur when the inspection certificate is issued.
• the display means by showing the inspection result in the mechanical inspection process with the information of pass / fail instead of the numerical value, an error in adjusting an incorrect item when adjusting an item that fails the inspection can be made. Can be suppressed.
• a human inspection process for inspecting a quality of a completed vehicle that has been equipped in an automobile assembly factory, and a machine that performs an inspection that complies with laws and regulations using an inspection machine
• a completed vehicle inspection pass verification method in a completed vehicle inspection line comprising an inspection step and a pass / fail determination step for performing a comprehensive pass / fail determination based on the inspection results of the human inspection step and the machine inspection step.
• an identification number reading means installed on the entrance side of the inspection machine before the machine inspection step is used to obtain an identification number for identifying the completed vehicle and an inspection card in which an inspection result in the person inspection step is entered.
• the identification number Reads the identification number, stores production instruction means that stores information necessary for production of the finished vehicle in association with the identification number as vehicle body information, and stores a judgment reference value of the mechanical inspection process corresponding to the vehicle body information And the production instruction means sends the body information corresponding to the identification number received from the identification number reading means.
• a procedure for searching and transmitting to the inspection management means, and the inspection management means searches for the determination reference value corresponding to the vehicle body information received from the production instruction means, and based on the searched determination reference value. Then, the measurement value of the inspection machine is determined to output determination result information indicating the pass / fail of the inspection, and the determination result information is determined in association with the identification number received from the identification number reading means.
• Procedure stored as result information and quality control means Force information from the input number for inputting the identification number entered in the inspection card and the inspection result in the human inspection process, and the information on the inspection result in the human inspection process Is received, the procedure for transmitting request information requesting the determination result information corresponding to the identification number to the inspection management means, and the quality management means responds to the request information. Whether or not all the inspection items of the human inspection process and the machine inspection process have passed based on the determination result information received from the inspection management means and the inspection result information of the human inspection process received from the input means. And a procedure for generating comprehensive judgment information indicating such information and transmitting the comprehensive judgment information and the judgment result information to an output means.
• the measurement value of the inspection machine in the machine inspection process is transmitted to the inspection management means and determined, and the inspection result information in the human inspection process and the determination result information determined in the inspection management means are determined. Therefore, since quality control measures determine whether or not a comprehensive inspection is acceptable, it is possible to suppress errors in the determination compared to the case where an operator determines whether or not a comprehensive inspection is acceptable. Can do.
• vehicle information corresponding to the frame number of the completed vehicle is transmitted and a judgment reference value is selected accordingly, so that even in an environment where various types of vehicles are mixed, the completed vehicle is inspected by the same completed vehicle inspection line. Inspection can be performed.
• the output means creates a display screen listing the results of the inspection in the mechanical inspection process based on the determination result information received from the quality control means. It may further include a procedure for outputting and a procedure for printing and outputting a predetermined inspection pass certificate when Z or the comprehensive judgment information indicates that the inspection has passed.
• an inspection pass certificate is output without the intervention of an operator, so that an error in issuing an inspection pass certificate can be suppressed. Inspection in the machine inspection process By indicating the result as pass / fail information rather than numerical values, it is possible to suppress errors that would cause incorrect items to be adjusted when adjusting items that failed the inspection.
• FIG. 1 is an overall configuration diagram of a complete vehicle inspection line according to an embodiment of the present invention.
• FIG. 2 is a flowchart for explaining the processing procedure of the inspection management host in the automatic machine inspection process.
• FIG. 3 is a flowchart for explaining processing procedures of a quality control host and a determination terminal in a pass / fail determination step.
• FIG. 4 is a diagram showing a legal compliance screen.
• FIG. 1 is an explanatory view showing the concept of a completed vehicle inspection line of the present embodiment.
• the completed vehicle inspection line of the present embodiment in the vehicle assembly process 13, which is the previous process, the completed vehicle 17 that has been equipped through the manufacturing process such as welding, painting, assembly, etc.
• the operator checks the state of painting and welding, etc.14, the automatic machine inspection process 15 that performs inspections stipulated by laws and regulations such as alignment and emission, and the human inspection process 14 adjusts the defective parts It consists mainly of a human inspection defect adjustment process 18 and a pass / fail determination process 12 for determining the overall pass / fail of these inspection processes after completion of the inspection in the human inspection process 14 and the automatic machine inspection process 15.
• the automatic machine inspection process 15 related to the term “mechanical inspection process” used in defining the present invention includes the alignment inspection machine 7, the headlight inspection machine 8, and the side according to the items stipulated by laws and regulations.
• Each inspection process force using slip inspection machine 9, brake 'speed inspection machine 10 and emission inspection machine 11 is also configured. Yes.
• the completed vehicle 17 that has passed all the inspection items in the human inspection process 14 and the automatic machine inspection process 15 is shipped. It is determined that it is possible and shipped to the dealer.
• the completed vehicle 17 that has failed the inspection in the human inspection process 14 is adjusted in the defective part in the human inspection defect adjustment process 18 and is carried to the pass / fail judgment process 12 on the subsequent stage.
• the finished vehicle 17 that had an item that failed the inspection in the automatic machine inspection process 15 was sent to the automatic machine defect adjustment line 16 to adjust the defective part. 14 and automatic machine inspection process 15.
• the completed vehicle inspection pass verification system of this embodiment uses the frame number, which is an identification number uniquely assigned to the finished vehicle 17 to be produced, as key information, and stores information such as vehicle type, engine number, body color, equipment, and options.
• Production instruction host 1 which is a computer for production management that is stored as vehicle information for each vehicle and controls the body assembly process 13 in an integrated manner (the term ⁇ production '' used in defining the present invention
• the inspection criteria according to the body information of the complete vehicle 17 and the criterion value information such as the upper limit value or the lower limit value of the measurement value are stored in the storage means, and the pass / fail of each inspection item is determined.
• production instruction host 1, inspection management host 2, and quality management host 3 are CPU (Central
• Each operation of the inspection management host 2 and the quality management host 3 described later is realized by a computer including a processing unit (RAM), a random access memory (RAM), a node disk drive, and the like. This is realized by executing a program stored in the drive.
• the completed vehicle inspection pass verification system of the present embodiment is installed near the exit of the vehicle body assembly process 13, and is printed on an assembly specification, not shown, used in the vehicle body assembly process 13. Connected to the production instruction host 1 based on the exit bar code reader 13a that reads the bar code converted from the frame number of the finished car 17 and the frame number information of the finished car 17 that is read by the exit bar code reader 13a.
• Bar code reader (8a, 9a, 8a, 9a, 8) that reads the frame number information of the finished vehicle 17 attached to each inspection machine of the side slip inspection machine 9, the brake speed inspection machine 10 and the emission inspection machine 11 10a, 11a) and a judgment terminal 4 having a display 4a and a printer 5 installed in the pass / fail judgment step 12 of the finished vehicle inspection line and connected to the quality management host 3.
• the entrance bar code reader 7a and the bar code readers (8a, 9a, 10a, 11a) are examples of “frame number reading means” defined in the disclosure of the present invention. ”And“ output means ”, the display 4a is an example of“ display means ”, and the printer 5 is an example of“ printing means ”.
• FIG. 2 is a flowchart for explaining the operation of the inspection management host 2 in the inspection process of the automatic machine inspection step 15. The operation of the completed vehicle inspection verification system after the automatic machine inspection process 15 will be described with reference to the flowchart shown in FIG.
• the entrance bar code reader 7a attached to the alignment inspection machine 7 installed at the most entrance side of the automatic machine inspection process 15 is used.
• the barcode obtained by converting the frame number of the finished vehicle 17 printed on the inspection card 6 is read.
• the read frame number information of the complete vehicle 17 is transmitted to the production instruction host 1 and also to the inspection management host 2.
• the inspection management host 2 receives the frame number information of the complete vehicle 17 to be inspected. (Step S101).
• the production instruction host 1 that has received the frame number information uses the frame number information as key information to retrieve the body information of the completed vehicle 17 from the stored body information, and the inspection management host 2 Send to. Thereby, the inspection management host 2 receives the vehicle body information corresponding to the frame number of the completed vehicle 17 from the production instruction host 1 (step S102).
• the inspection management host 2 compares the frame number information received from the entrance barcode reader 7a received in step S101 with the frame number information included in the vehicle body information received in step S102. Confirm that they match (step S103). Then, the inspection management host 2 that has received the vehicle body information of the completed vehicle 17 to be inspected stores it in the storage means and searches for the determination reference value information corresponding to the received vehicle body information from the determination reference value information ( Step S 104).
• the complete vehicle 17 proceeds to the alignment inspection machine 7 and undergoes alignment inspection.
• the measurement values measured by the element inspection machine 7 are sent to the inspection management host 2 as measurement value information.
• the inspection management host 2 receives the measurement value information (step S105).
• the inspection management host 2 that has received the measurement value information determines whether or not the inspection is acceptable based on the determination reference value information of the complete vehicle 17 searched in step S103, and indicates a determination result that indicates whether the inspection is acceptable.
• Information is output (step S106), and the measurement value information and the determination result information are stored in the storage means for each complete vehicle 17 in association with the frame number information (step S107).
• the completed vehicle 17 proceeds through the inspection process in the order of the headlight inspection machine 8, the side slip inspection machine 9, the brake / speed inspection machine 10, and the emission inspection machine 11.
• the completed vehicle 17 printed on the inspection card 6 is checked using the bar code reader (8a, 9a, 10a or 11a) attached to the inspection machine of the inspection process.
• Read frame number information is transmitted to the inspection management host 2, whereby the inspection management host 2 receives the frame number information of the completed vehicle 17 that has proceeded to the inspection process (step S108).
• the complete vehicle 17 is subjected to a predetermined inspection by an inspection machine in the inspection process.
• the measurement value measured by this inspection machine is transmitted to the inspection management host 2 as measurement value information.
• the inspection management host 2 receives the measurement value information of the inspection process (step S109).
• the inspection management host 2 that has received the measurement value information determines the pass / fail of the inspection based on the determination reference value information of the complete vehicle 17 searched in Step S103, and the determination result information indicating the pass / fail (Step S110), and the measurement value information and the determination result information of the inspection process are stored in the storage means for each completed vehicle 17 in association with the frame number information (step S111).
• step S112 the steps S108 to S111 are performed by the headlight inspection machine 8, the side slip inspection machine 9, the brake 'speed inspection machine 10 and the emission inspection machine 11, respectively.
• the same process is performed in each inspection process until the inspection process by the inspection machine is sequentially completed.
• the inspection management host 2 performs determination in each inspection process based on the measurement value information measured in each inspection process, and stores the measurement value information and the determination result information in the storage unit.
• the completed vehicle 17 that has completed each inspection process in the automatic machine inspection process 15 is sent to the human inspection defect adjustment process 18 on the rear stage side and is detected in the human inspection process 14. Corrected defects will be corrected.
• the completed vehicle 17 that has been corrected is sent to a pass / fail judgment step 12 in which a comprehensive pass / fail judgment is made.
• FIG. 3 is a flowchart for explaining processing procedures in the quality control host 3 and the determination terminal 4 in the pass / fail determination step 12 arranged on the subsequent stage side of the automatic machine inspection step 15.
• the operation of the completed vehicle inspection pass verification system in the pass / fail determination step 12 will be described with reference to the flowchart shown in FIG.
• the operator performs an inspection related to the quality of welding, painting, body assembly, etc. entered in the inspection card 6 in the human inspection process 14.
• the result is input using the keyboard of the judgment terminal 4 together with the frame number of the completed vehicle 17 as key information.
• the determination terminal 4 sends the inspection result information and the frame number information in the human inspection process 14 together with the inspection result information to the quality management host 3 (step S201).
• the quality management host 3 that has received this person inspection determination information (step S202) transmits inspection result request information using frame number information included in the person inspection determination information as key information to the inspection management host 2 (step S202). S 203).
• the inspection management host 2 that has received the inspection request information searches the determination result information associated with the frame number information stored in the storage unit based on the frame number information included in the inspection result request information. Send to quality control host 3.
• the quality control host 3 receives the judgment result information, which is information on the received inspection result in the automatic machine inspection process 15, and the inspection result in the human inspection process 14 received from the judgment terminal 4.
• the completed vehicle 17 having the vehicle body information is referred to the human inspection determination information, which is the information of the inspection, and all inspections are performed based on the pass / fail of all inspection items in the human inspection process 14 and the automatic machine inspection process 15.
• comprehensive judgment information including the previous information and frame number information is output (step S205).
• the quality management host 3 transmits the comprehensive determination information on production instructions host 1 (step S206) o production instruction host 1 having received the comprehensive determination information is stored in a storage unit of production instruction host 1
• the vehicle body corresponding to the frame number information included in the comprehensive judgment information This comprehensive determination information is added to the information and stored. If the pass / fail information included in the comprehensive judgment information is acceptable, the production instruction host 1 uses this body information, for example, a dealer terminal that is a terminal installed at the dealer who ordered the completed vehicle 17. 19 (see Fig. 1). As a result, this dealer can confirm that the ordered vehicle 17 that has been ordered has been inspected and can be shipped.
• the quality management host 3 transmits the comprehensive judgment information and the judgment result information received from the inspection management host 2 to the judgment terminal 4 (step S207). Receiving this comprehensive judgment information and judgment result information (Step S208), the judgment terminal 4 responds to the regulations based on the received judgment result information on the display device in accordance with the inspection results of each inspection process in the automatic machine inspection process 15. Output as a screen (step S209).
• FIG. 4 shows an example of the legal compliance screen displayed on the display device of the determination terminal 4 at step S 209! /.
• the pass / fail indication of each inspection item in the automatic machine inspection process 15 is displayed as ⁇ P '' or ⁇ F '', improving the visibility of the operator and measuring Since the value is displayed and the operator does not make a judgment, erroneous judgment at the time of the judgment can be prevented.
• step S209 in addition to the legal compliance screen 40, a display screen is displayed on the display device for confirming the human inspection determination information, which is information on the inspection result of the human inspection process 14 input by the operator. It is also possible.
• the determination terminal 4 determines whether the pass / fail information for all the inspection items included in the received comprehensive determination information is acceptable (step S210), and is included in the comprehensive determination information. If the pass / fail information is acceptable (Yes in step S210), a predetermined “pass certificate” is printed and output from the printer 5 (step S211). This output certificate is attached to the completed vehicle 17 and shipped to a dealer, and is used as a document for certifying that the completed vehicle 17 has passed the inspection.
• step S210 If the pass / fail information included in the comprehensive determination information is unacceptable (No in step S210), the process ends. In this case, the finished vehicle 17 is sent to the adjustment line 16 through a predetermined procedure by an operator who has confirmed the failed inspection items with reference to the legal compliance screen 40 shown in FIG. Analysis of inspection items that have been rejected The corresponding adjustment points are adjusted and sent to the finished vehicle inspection line again.
• the quality management host and the inspection management host are described as separate computers.
• the quality management host and the inspection management host may be implemented by a single computer.
• only the frame number information of the completed vehicle read by the entrance bar code reader is transmitted to the production instruction host and the vehicle body information is returned.
• the bar code installed immediately before each inspection machine is used. Each time the frame number is read by one driver, it is also possible to send the frame number information to the production management host and receive the body information.
• the frame number of the completed vehicle is converted into a barcode, and the frame number is read in each inspection process using a barcode reader.
• a barcode reader For example, RFID (Radio Frequency Identification) is used. It is possible to store the frame number information in the tag and use it with a configuration that reads the frame number information with a dedicated reader.

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• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Manufacturing & Machinery (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
• General Factory Administration (AREA)

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Family Applications (1)

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Cited By (5)

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Citations (6)

Family Cites Families (1)

• 2005
  • 2005-07-27 WO PCT/JP2005/013695 patent/WO2006013757A1/ja active Application Filing
  • 2005-07-27 JP JP2006531409A patent/JP4758899B2/ja not_active Expired - Fee Related
  • 2005-07-27 CN CN 200580023981 patent/CN100484818C/zh not_active Expired - Fee Related

Patent Citations (6)

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