JP2017196707A - Assembling inspection support method and assembling inspection support program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an assembling inspection support method which can inspect assembling without depending on a memory of an inspector, and an assembling inspection support program.SOLUTION: An assembling inspection support method displays a proper assembling state related to a first component 102 to an inspector 105 by using a wearable terminal 107, detects a gesture of the inspector 105 who has inspected the correctness of the assembling state related to the first component 102 through his/her own eyes 106 by referring to the proper assembling state related to the first component 102, specifies a result of the inspection of the correctness of the assembling state related to the first component 102 (hereafter merely called as an inspection result of the first component 102) on the basis of the gesture of the inspector 105, stores the inspection result of the first component 102, repeatedly stores the similar procedure related to a second component 103 and a third component 104, and stores the inspection result as data.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an assembly inspection support method and an assembly inspection support program for supporting an assembly inspection for inspecting the correctness of an assembly state for each of a plurality of parts included in a product through the eyes of an inspector.

  In general, a product (for example, an automobile transmission) includes an assembly process in which a plurality of parts are assembled to produce a product, and whether an assembly state of each of the plurality of parts included in the product is correct (for example, a set of parts). The assembly inspection process for inspecting the attachment position, the attachment direction, the type, and / or the correctness of the color) is sequentially completed. In particular, in the assembly inspection process, an assembly inspection for inspecting the correctness of the assembly state for each of a plurality of parts included in the product through the eyes of an inspector is performed. The inspector often has to inspect the correctness of the assembled state of each of several hundred types of parts based on his / her memory.

JP 2010-271928 A JP 2002-006919 A JP 2010-223834 A JP 2012-185685 A

  However, as described above, the inspector often has to inspect the correctness of the assembly state for each of several hundred types of parts based on his / her own memory, so that he can engage in assembly inspection as an inspector. It is necessary to increase the level of proficiency related to assembly inspection to the required level by accumulating long-term experience, and it takes a lot of time and money to train a full-time inspector There is. In addition, since human memory is inaccurate and ambiguous, it is impossible to eliminate errors caused by the inspector's erroneous memory. There is also a problem that this is difficult. In addition, the inspector needs to go back and forth between the site and the office at the time of forgetting to refer to the standard documents stored in the office each time, which takes a lot of time and effort and is very complicated. There is also a problem that there is.

  Accordingly, an object of the present invention is to provide an assembly inspection support method and an assembly inspection support program that can perform assembly inspection without depending on the memory of an inspector.

  The present invention is an assembly inspection support method for supporting an assembly inspection for inspecting the correctness of an assembly state of each of a plurality of parts included in a product through the eyes of an inspector. The correct assembly state for the part is displayed to the inspector wearing the wearable terminal through the wearable terminal, and the assembly for the one part is referred to with reference to the correct assembly state for the one part displayed through the wearable terminal. The wearer terminal detects a gesture of the inspector who has inspected the correctness of the state through his / her eyes, and inspects the correctness of the assembly state for the one component based on the gesture of the inspector detected by the wearable terminal. The result is identified by the wearable terminal and identified by the wearable terminal An inspection process for storing the result of inspecting the correctness of the assembly state for the one part by the wearable terminal, and a procedure similar to the inspection process is repeated for the other parts in the plurality of parts. An iterative process of storing the result of checking the correctness of the assembled state for each part by the wearable terminal, and the result of checking the correctness of the assembled state for each of the plurality of parts stored by the wearable terminal. And an assembly inspection support method including a recording step of recording as data by a terminal.

  In the recording step, a result of inspecting the correctness of the assembly state for each of the plurality of parts is displayed to the inspector through the wearable terminal, and the assembly state for each of the plurality of parts displayed through the wearable terminal The wearer terminal detects a gesture of the inspector who has confirmed the result of checking the correctness of the inspection, and inspects the correctness of the assembly state for each of the plurality of parts based on the gesture of the inspector detected by the wearable terminal. The approval / disapproval of the result is specified by the wearable terminal, and when the approval of the result of checking the correctness of the assembly state regarding each of the plurality of parts is confirmed, the wearable terminal stores The result of checking the correctness of the assembled state is determined by the wearable terminal. It is desirable to record as data Te.

  In the recording step, it is desirable to return to the inspection step or the repetition step when the approval of the result of inspecting the correctness of the assembled state for each of the plurality of parts is denied.

  The present invention also provides a program configured to perform the assembly inspection support method using a wearable terminal.

  According to the present invention, it is possible to provide an assembly inspection support method and an assembly inspection support program that can perform assembly inspection without depending on the memory of the inspector.

It is a conceptual diagram explaining the outline | summary of the assembly inspection assistance method of this invention. It is a flowchart explaining the procedure of the assembly inspection assistance method of this invention. It is a flowchart explaining the procedure of the assembly inspection assistance method of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  As shown in FIG. 1, the assembly inspection support method according to the embodiment of the present invention corrects whether the assembly state of each of the first part 102, the second part 103, and the third part 104 included in the product 101 is correct. This is a method for supporting the assembly inspection in which the inspection is conducted through the eyes 106 of the inspector 105. The product 101 includes an assembly process in which the first part 102, the second part 103, and the third part 104 are assembled to produce the product 101, and the first part 102 and the second part 103 included in the product 101. And an assembly inspection process for inspecting the correctness of the assembly state for each of the third parts 104, and the process is completed in order.

  The product to be subjected to the assembly inspection is not limited to the product 101 including the first component 102, the second component 103, and the third component 104, and two types or less. Even if parts are included, four or more kinds of parts may be included.

  When performing the assembly inspection support method, it is necessary to attach the wearable terminal 107 to the inspector 105 in advance. The wearable terminal 107 is desirably attachable to the inspector 105 using glasses or a headband so that the freedom of both hands of the inspector 105 is effective. As the wearable terminal 107, M100 smart glass manufactured by Buigex Corporation can be adopted.

  The wearable terminal 107 is equipped with an assembly inspection support program configured to perform an assembly inspection support method. The assembly inspection support program is configured to perform each step of an assembly inspection support method described later using the wearable terminal 107. When executing the assembly inspection support program, it is necessary to start the wearable terminal 107 and to execute in advance an operating system mounted on the wearable terminal 107 separately from the assembly inspection support program.

  The wearable terminal 107 desirably includes at least a display unit 108, a detection unit 109, a processing unit 110, and a storage unit 111 in order to execute the assembly inspection support program.

  The display unit 108 is configured to display the correct assembly state regarding each of the first component 102, the second component 103, and the third component 104 to the inspector 105 wearing the wearable terminal 107 through the wearable terminal 107. ing.

  The detection unit 109 refers to the correct assembly state regarding the first component 102, the second component 103, and the third component 104 displayed by the display unit 108, and the first component 102 and the second component 103. And the third part 104 are configured to detect gestures (for example, hand movements) of the inspector 105 who have inspected the correctness of the assembled state through their own eyes.

  The processing unit 110 controls the display unit 108, the detection unit 109, and the storage unit 111, and based on the gesture of the inspector 105 detected by the detection unit 109, the first component 102, the second component 103, and the third component It is configured to specify a result (hereinafter simply referred to as an inspection result) of inspecting the correctness of the assembled state for each of the parts 104.

  The storage unit 111 is configured to store the inspection result specified by the processing unit 110.

  In addition, the storage unit 111 stores in advance an assembly inspection support program and an operating system necessary for executing the assembly inspection support program.

  Further, the processing unit 110 is configured to record the inspection result stored in the storage unit 111 as data.

  The detection unit 109 faces outside the ear of the inspector 105 when the wearable terminal 107 is worn on the inspector 105 so that the gesture of the inspector 105 can be easily detected during the assembly inspection. It is installed as follows.

  The display unit 108 faces the eye 106 of the inspector 105 when the wearable terminal 107 is attached to the inspector 105 so that the inspector 105 can easily visually recognize the display unit 108 during the assembly inspection. It is installed as follows.

  Further, the processing unit 110 and the storage unit 111 are built in the wearable terminal 107 so that a failure of the processing unit 110 and the storage unit 111 during assembly inspection or during storage of the wearable terminal 107 can be avoided. .

  The wearable terminal 107 may further include an imaging unit 112, a communication unit 113, and an operation unit 114 in addition to the display unit 108, the detection unit 109, the processing unit 110, and the storage unit 111. desirable.

  The imaging unit 112 is configured to read an identification mark (for example, a barcode) and identify a product to be subjected to assembly inspection and an inspector in charge of assembly inspection. However, the imaging unit is presented by presenting options to the inspector 105 by the display unit 108 and causing the inspector 105 to select a product to be subjected to assembly inspection and an inspector in charge of assembly inspection by a gesture of the inspector 105. It is also possible to identify a product to be subjected to assembly inspection and an inspector in charge of assembly inspection without using 112.

  The communication unit 113 is configured to communicate with the external terminal 115 and to read production instruction data stored in advance by the external terminal 115 (a data obtained by converting the contents of the production instruction sheet). However, the production instruction data may be read without using the communication unit 113 by storing the production instruction data in advance in the storage unit 111 and reading the production instruction data stored in the storage unit 111 with the processing unit 110. it can. In addition, the communication unit 113 is configured to communicate with the external terminal 115 and record the inspection result stored in the storage unit 111 as data in the external terminal 115. Since the external terminal 115 is composed of a server that controls product production, the first part 102, the second part 103, and the third part are recorded by recording the inspection result as data in the external terminal 115 by the communication unit 113. When at least one assembled state of 104 is not correct, the production of the product 101 can be automatically stopped by the external terminal 115 to prevent the outflow of defective products.

  The operation unit 114 is configured to execute a function assigned in advance in response to pressing of the inspector 105. However, the operation unit 114 is used by assigning a function to the gesture of the inspector 105 in advance and executing the function assigned in advance to the gesture of the inspector 105 detected by the detection unit 109 by the processing unit 110. It is also possible to execute a predetermined function.

  Note that the imaging unit 112 faces the front of the eye 106 of the inspector 105 when the wearable terminal 107 is attached to the inspector 105 so that the front of the inspector 105 can be captured during the assembly inspection. Is installed.

  The communication unit 113 is built in the wearable terminal 107 so as to avoid a failure of the communication unit 113 during assembly inspection or during storage of the wearable terminal 107.

  Further, the operation unit 114 is installed at a location that is easy for the inspector 105 to operate when the wearable terminal 107 is attached to the inspector 105 so that the inspector 105 can easily operate the assembly unit during the assembly inspection. Yes.

  As shown in FIG. 2, the assembly inspection support method S100 according to the embodiment of the present invention, in the first step S101, reads the identification mark by the imaging unit 112, the assembly inspection target, and the assembly inspection person in charge. And instructing production instruction data to be read through the next step S102. The association between the identification mark and the product to be assembled and inspected and the association between the identification mark and the inspector in charge are stored in the storage unit 111 or the external terminal 115 in advance as a database, and the processing unit 110 stores the storage unit. 111 or referring to the external terminal 115 by the communication unit 113, the product to be assembled and inspected and the inspector in charge of the assembly inspection are identified based on the identification mark, and the next step S102. It is desirable to specify production instruction data to be read through the process.

  In the next step S <b> 102, communication with the external terminal 115 is performed by the communication unit 113 and production instruction data stored in advance by the external terminal 115 is read by the communication unit 113. If the production instruction data has been successfully read, the process proceeds to the next step S103. If the production instruction data has failed to be read, the process returns to the first step S101.

  In the next step S103, the display unit 108 displays the correct assembly state regarding the first component 102 to the inspector 105 wearing the wearable terminal 107 through the wearable terminal 107.

  In the next step S <b> 104, the inspector 105 who inspected the correctness of the assembly state regarding the first part 102 through his / her eyes 106 with reference to the correct assembly state regarding the first part 102 displayed by the display unit 108. A gesture is detected by the detection unit 109. The inspector 105 compares the correct assembly state for the first part 102 displayed by the display unit 108 with the actual assembly state for the first part 102. In the example of FIG. Therefore, it raises its right hand to face the detection unit 109 and moves it from the rear to the front to notify the wearable terminal 107 that the assembled state with respect to the first component 102 is correct. The wearable terminal 107 The detection unit 109 detects a gesture of the inspector 105 that intends that the assembly state of the part 102 is correct.

  In the next step S105, the result of inspecting the correctness of the assembly state of the first component 102 based on the gesture of the inspector 105 detected by the detection unit 109 (hereinafter simply referred to as the inspection result of the first component 102). Is identified by the processing unit 110. The association of the inspection result of the inspector's gesture and the correctness of the assembly state of the part (hereinafter simply referred to as the part inspection result) is stored in the storage unit 111 in advance as a database, and the processing unit 110 stores the storage unit 111. It is preferable that the processing unit 110 specifies the inspection result of the part based on the gesture of the inspector detected by the detection unit. In the example of FIG. 1, the processing unit 110 specifies that the assembly state of the first component 102 is correct based on the gesture of the inspector 105 detected by the detection unit 109.

  In the next step S <b> 106, the inspection result of the first component 102 specified by the processing unit 110 is stored in the storage unit 111. In the example of FIG. 1, the storage unit 111 stores that the assembly state regarding the first component 102 is correct.

  In this specification, steps S103 to S106 are collectively referred to as an inspection process.

  In the next steps S107 to S110, the same procedure as the inspection process is repeated for the second part 103, and the result of inspecting the correctness of the assembled state for the second part 103 (hereinafter simply referred to as the second part 103). The inspection unit) is stored in the storage unit 111. That is, in step S107, as in step S103, the display unit 108 displays the correct assembly state regarding the second component 103 to the inspector 105 wearing the wearable terminal 107 through the wearable terminal 107. In step S108, as in step S104, the correct assembly state of the second part 103 displayed on the display unit 108 is referred to and the correctness of the assembly state of the second part 103 is inspected through its own eyes 106. The detection unit 109 detects the gesture of the inspector 105. In step S109, as in step S105, the processing unit 110 identifies the inspection result of the second component 103 based on the gesture of the inspector 105 detected by the detection unit 109. In step S110, as in step S106, the inspection result of the second component 103 specified by the processing unit 110 is stored by the storage unit 111. The inspector 105 compares the correct assembly state for the second part 103 displayed by the display unit 108 with the actual assembly state for the second part 103, and in the example of FIG. Therefore, the user's right hand is raised so as to face the detection unit 109 and moved from the front to the rear to notify the wearable terminal 107 that the assembled state with respect to the second component 103 is not correct, and the wearable terminal 107 The detection unit 109 detects a gesture of the inspector 105 intended to indicate that the assembly state of the part 103 is incorrect, and the assembly state of the second part 103 is based on the gesture of the inspector 105 detected by the detection unit 109. Is identified by the processing unit 110 and the assembly state of the second component 103 is incorrect. Stored by the storage unit 111 and.

  As shown in FIG. 3, similarly, in the next steps S111 to S114, the same procedure as the inspection process is repeated for the third component 104 to check the assembly state regarding the third component 104 for correctness ( Hereinafter, the storage unit 111 stores the inspection result of the third component 104). That is, in step S111, as in step S103, the display unit 108 displays the correct assembly state regarding the third component 104 to the inspector 105 wearing the wearable terminal 107 through the wearable terminal 107. In step S112, as in step S104, the correct assembly state of the third part 104 displayed on the display unit 108 is referred to and the correctness of the assembly state of the third part 104 is checked through its own eyes 106. The detection unit 109 detects the gesture of the inspector 105. In step S <b> 113, as in step S <b> 105, the processing unit 110 specifies the inspection result of the third component 104 based on the gesture of the inspector 105 detected by the detection unit 109. In step S <b> 114, the inspection result of the third component 104 specified by the processing unit 110 is stored in the storage unit 111 as in step S <b> 106. The inspector 105 compares the correct assembly state regarding the third part 104 displayed by the display unit 108 with the actual assembly state regarding the third part 104, and in the example of FIG. Therefore, it raises its right hand to face the detection unit 109, moves it from the rear to the front, notifies the wearable terminal 107 that the assembly state with respect to the third component 104 is correct, and the wearable terminal 107 The detection unit 109 detects a gesture of the inspector 105 that intends that the assembly state with respect to the component 104 is correct, and the assembly state with respect to the third component 104 is correct based on the gesture of the inspector 105 detected by the detection unit 109. This is specified by the processing unit 110, and the storage unit 111 indicates that the assembly state with respect to the third component 104 is correct. Therefore, to store.

  In the present specification, steps S107 to S110 and steps S111 to S114 are collectively referred to as a repetition process. The repetitive process is repeatedly performed for a plurality of parts included in the product, and finally, the storage unit 111 stores the result of checking the assembled state for each of the plurality of parts.

  In the next step S115, the inspection result stored in the storage unit 111 is displayed on the inspector 105 by the display unit 108. In the example of FIG. 1, the display unit 108 indicates that the assembled state with respect to the first part 102 is correct, the assembled state with respect to the second part 103 is incorrect, and the assembled state with respect to the third part 104 is correct. Display.

  In the next step S116, the detection unit 109 detects a gesture of the inspector 105 who has confirmed the inspection result displayed on the display unit 108. The inspector 105 compares the inspection result displayed by the display unit 108 with the correctness of the assembly state for each of the actual first component 102, the second component 103, and the third component 104, and the example of FIG. Since the two match, the right hand is raised to face the detection unit 109 and moved from the upper side to the lower side to notify the wearable terminal 107 that the approval of the test result is affirmed, and the wearable terminal 107 The detection unit 109 detects a gesture of the inspector 105 intended to affirm the approval of the inspection result. In addition, when the inspector 105 denies approval of the inspection result, the inspector 105 raises his / her right hand to face the detection unit 109 and moves it from below to above.

  In the next step S117, based on the gesture of the inspector 105 detected by the detection unit 109, the processing unit 110 specifies whether or not the test result is approved. When the approval of the inspection result is affirmed, the process proceeds to step S118, and when the approval of the inspection result is negative, the process returns to step S111. However, when the approval of the inspection result is denied, the process is not limited to returning to step S111, and it may be possible to return to step S103 and start the inspection process from the beginning. The association between the inspector's gesture and the approval / disapproval of the inspection result of the part is stored in the storage unit 111 in advance and stored in the storage unit 111, and the inspection detected by the detection unit by referring to the storage unit 111 by the processing unit 110 Desirably, the processing unit 110 determines whether the inspection result of the part is approved based on the person's gesture. In the example of FIG. 1, the processing unit 110 specifies that the approval of the inspection result is affirmed based on the gesture of the inspector 105 detected by the detection unit 109.

  In the next step S118, the inspection result stored by the storage unit 111 when the approval of the inspection result is affirmed is recorded as data by the processing unit 110. Therefore, the result of a series of assembly inspections can be managed by the external terminal 115 to prevent the outflow of defective products.

  When the assembly state regarding any of the first part 102, the second part 103, and the third part 104 included in the product 101 is not correct through the assembly inspection, the product 101 is returned to the assembly process, and the assembly state Reassembling parts that are not correct will be used again in the assembly inspection process.

  As described above, by employing the assembly inspection support method and the assembly inspection support program, assembly inspection can be performed without depending on the memory of the inspector.

101 Product 102 First Part 103 Second Part 104 Third Part 105 Inspector 106 Inspector's Eye 107 Wearable Terminal 108 Display Unit 109 Detection Unit 110 Processing Unit 111 Storage Unit 112 Imaging Unit 113 Communication Unit 114 Operation Unit 115 External terminal

Claims (4)

An assembly inspection support method for supporting an assembly inspection for inspecting the correctness of an assembly state of each of a plurality of parts included in a product through the eyes of an inspector,
The correct assembly state regarding one part of the plurality of parts is displayed to the inspector wearing the wearable terminal through the wearable terminal, and the correct assembly state regarding the one part displayed through the wearable terminal is referred to. The wearer terminal detects a gesture of the inspector who has inspected the correctness of the assembled state of the one component through his / her own eyes, and the one component is detected based on the gesture of the inspector detected by the wearable terminal. An inspection step of specifying the result of checking the correctness of the assembly state by the wearable terminal, and storing the result of checking the correctness of the assembly state for the one part specified by the wearable terminal by the wearable terminal;
Repeating the same procedure as the inspection step with respect to other parts of the plurality of parts, and storing the result of inspecting the correctness of the assembled state for each of the plurality of parts by the wearable terminal,
A recording step of recording, as data, a result of inspecting the correctness of the assembled state for each of the plurality of parts stored by the wearable terminal;
An assembly inspection support method characterized by comprising: In the recording step,
The result of inspecting the correctness of the assembly state for each of the plurality of parts is displayed to the inspector through the wearable terminal, and the result of inspecting the correctness of the assembly state for each of the plurality of parts displayed through the wearable terminal The gesture of the inspector who has confirmed the condition is detected by the wearable terminal, and the approval of the result of checking the correctness of the assembly state for each of the plurality of parts based on the gesture of the inspector detected by the wearable terminal is confirmed. The wearable terminal identifies whether or not the plurality of parts are inspected for correctness of the assembly state. When the approval of the result is confirmed, the wearable terminal stores the correctness of the assembly state for each of the plurality of parts. The assembly inspection support according to claim 1, wherein the result is recorded as data. Method. In the recording step,
The assembly inspection support method according to claim 2, wherein when the approval of the result of inspecting the correctness of the assembly state for each of the plurality of parts is denied, the process returns to the inspection step or the repetition step. A program configured to perform the assembly inspection support method according to any one of claims 1 to 3 using a wearable terminal.

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