JPH11188547A - Inspection device for automotive parts - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically, appropriately, and rapidly perform the assembly inspection of automotive parts different in type from each other according to models and right-hand or left-hand drive and also slightly different in appearance from each other. SOLUTION: The type of an automotive part 1 to be inspected is detected by an identification card 14 installed in a card installation device 13, an installation base 3 is moved to a specified position, the part 1 is installed in a part installation part 2, and the type characteristics of the part 1 are detected by detection signal data from sensors 7a to 7f. When the completion of assembly is judged by comparison with the assembly completion signal data detected by the sensors 7a to 7f at the completion of assembly, an acceptance mark is put on the part 1 by a marker 20, and the lock of the part 1 to the part installation part 2 is unlocked by a lock control circuit 16. Thus the completion of assembly of the part 1 different in types and slightly different in appearance from each other is judged automatically and rapidly without causing an artificial incorrect judgment so as to transfer the part 1 to a process of a next stage.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile parts inspection apparatus for inspecting the assembly of automobile parts.

[0002]

2. Description of the Related Art In the case of parts for automobiles, if the same part is displayed on a right-hand drive car and a left-hand drive car, the display of the panel is reversed left and right, or if the type of the vehicle in which the part is used is different, the shape of the control base is reduced. The presence / absence of the / C switch, the presence / absence of the PTC, the length of the knob, the number and length of the screws, and the like are slightly different, and the configuration of the corresponding panel plate may be correspondingly slightly different. Such automotive parts have different types depending on the type of vehicle used and whether they are used for right-hand drive vehicles or left-hand drive vehicles, and have slightly different appearances. Conventional assembly inspections of automotive parts have been performed visually by an inspection technician except in special cases.

[0003]

As the types of automobiles increase year by year, the types of automobile parts of the same type differing from each other increase, and the slight difference in appearance between these automobile parts and their panel boards is recognized. Inspection of the assembly of automobile parts by visually judging without error has put a considerable burden on an inspection technician.

[0004] The present invention has been made in view of the current state of inspection of automotive parts as described above.
The model is different depending on the type of vehicle used and whether it is used for right-hand drive vehicles or left-hand drive vehicles, and assembly inspection of automobile parts with slightly different appearances can be performed automatically and accurately and quickly. It is an object of the present invention to provide a possible inspection device for automobile parts.

[0005]

In order to achieve the above-mentioned object, the invention according to claim 1 is directed to a method in which a plurality of types of automobile parts are mounted in a predetermined area so that they can be mounted according to the types. A component mounting portion having a movable mounting base, an identification mark corresponding to the model is attached, a panel plate to be mounted on the vehicle component, and a model of the vehicle component disposed on the component mounting portion. In response to the above, a plurality of identification elements for determining the completion of assembly of each part of the automotive parts and a plurality of sensors for detecting the identification mark, and a plurality of sensors are created corresponding to the type of the automotive parts, An identification card provided with an identification pattern for carrying type information indicating the type and front and back information of mounting; and an identification card reader mounted with the identification card and outputting an identification reference signal based on the identification pattern. And, based on the identification reference signal, a mounting base moving means for moving the mounting base to a predetermined position according to the model, and the vehicle component mounted on the mounting base moved to the predetermined position, The vehicle based on lock means for locking to the component mounting portion, detection signals of the plurality of sensors and the identification mark, and a completion reference signal output from the sensor when the assembly of the vehicle component is completed. Determination means for determining the completion of assembly of the vehicle component, and when the determination means determines that the assembly of the vehicle component has been correctly completed, the vehicle component is marked with a pass mark, and the lock of the locking means is locked. And an assembly completion confirming means for releasing.

[0006] Similarly, in order to achieve the above object, according to a second aspect of the present invention, in the first aspect of the present invention, the identification pattern of the identification card has a notch formed at an edge of the identification card. It is characterized by comprising.

Similarly, in order to achieve the above object, the invention according to claim 3 is different from the invention according to claim 1 or 2 in that the identification card is erroneously mounted on the card reading means. Then, a conversion means for correcting and converting the type information of the identification pattern based on the front and back information of the identification pattern is provided.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a block diagram showing a configuration of the present embodiment, FIG. 2 is an explanatory diagram showing a configuration of an identification card used in the present embodiment, and FIG. 3 is a panel of an automobile part inspected in the present embodiment. FIG. 4 is an explanatory diagram showing the configuration of the plate, and FIG. 4 is an explanatory diagram of mounting of an automobile component to the component mounting portion of the present embodiment.

In this embodiment, as shown in FIG. 1, there is provided a component mounting portion 2 on which a vehicle component 1 to be inspected is mounted. The component mounting portion 2 includes various types of vehicle components. A mounting base 3 that is movable in a predetermined area in a horizontal plane and a wall 6 that faces the peripheral surface of the mounted automobile component 1 are provided so that the mounting base 1 can be mounted according to the model. . Also, on the bottom surface of the automobile component 1, an identification mounting pin 5A is provided so as to protrude at a position corresponding to the type thereof.
Identification elements 5a to 5f are attached to the peripheral surface of the vehicle component 1. Among these identification elements 5a to 5f,
The identification element 5a corresponds to an identification mark attached to the panel plate 26 of the automobile part 1 having a shape as shown in FIGS. 3A and 3B, corresponding to the type of the automobile part 1. ing. The panel plate 26A shown in FIG.
The panel board 26B shown in FIG.
The A / C switch is provided on the automotive component 1 to which the A is attached, but the A / C switch is not provided on the automotive component 1 to which the panel plate 26B is attached, and the A / C switch is provided on the panel plate 26A. The formed notch 30 is
It is not formed on panel plate 26B.

The identification elements 5b to 5f have a control base shape, A / A, depending on the type of the automobile part 1.
It is an identification element corresponding to the presence or absence of the C switch, the presence or absence of the PTC, the presence or absence of the special screw, and the height of the knob. And
These identification elements 5 a to 5 are provided on the wall 6 of the component mounting section 2.
Sensors 7a to 7f that respectively detect f are attached, and photoelectric sensors, microswitches, and proximity switches are selectively used as the sensors 7a to 7f according to the identification element to be detected.

In the present embodiment, a CPU 8 for controlling the entire operation is provided, and the CPU 8 carries, via a bus B, model information of the vehicle component 1 mounted on the component mounting section 2. Card mounting device 13 into which identification card 14 is inserted, alarm device 1 that issues an alarm when a defective assembly is detected
5. Lock control circuit 16 for controlling locking and unlocking of vehicle component 1 to component mounting portion 2, card mounting device 1
The mounting part driver 17 that moves the mounting base 3 to a position where the vehicle component 1 can be mounted according to the model based on the identification reference signal from the mounting part 3, and a display that displays various information during the assembly inspection operation. 18 are connected. Similarly, CP
U8 is connected to sensors 7a to 7f via bus B,
An interface circuit 21 for performing an interface operation with the sensors 7a to 7f; a marker 20 for marking an assembled product as a pass mark; an arithmetic circuit 10 for performing an operation at the time of assembly inspection of the automobile part 1; A ROM 11 in which a program is stored and a RAM 12 in which various data are written and read out during an assembly inspection operation are connected.

In this embodiment, the identification card 14 inserted into the card mounting device 13 is formed of an aluminum plate.
As shown in (a), the shape of the identification card 14 is substantially rectangular, and an identification pattern 25 corresponding to the type of the corresponding automobile part is cut out at one edge of the identification card 14 in the longitudinal direction. Is formed. This identification card 14 is created for each of the different types of automobile parts 1,
The identification pattern 25 is configured to detect the type of the corresponding automobile part 1. As shown in FIG. 2B, the identification pattern 25 is composed of 7 bits, and displays the front and back information of the identification card 14 in which LSB <b0> and MSBb0 are inserted. The type information of the corresponding automobile part 1 is displayed by the interposed 5-bit information (b1b2b3b4b5), and the identification card 1 corresponds to each of the different types of automobile parts 1.
4 has been created.

In this embodiment, when the identification card 14 is mounted on the card mounting device 13, the card mounting device 13 is sandwiched between the LSB and the MSB of the identification card 14 by the two-bit front and back information and the LSB and the MSB. It is configured to read the 5-bit type information and output an identification reference signal. Further, the arithmetic circuit 10 is provided with a memory, which stores 5-bit identification reference signal data corresponding to each type of identification card 14 and data for each of the identification reference signals. Data of detection signals detected by the sensors 7a to 7f when the assembly of the component 1 is completed is stored in advance as 6-bit assembly completion data. Further, the arithmetic circuit 10 compares the data of the detection signals of the sensors 7a to 7f with the completed assembly data, and determines the completion of the assembly of the automobile part. If it is determined that 14 has been mounted on the back, a conversion function is provided for converting 5-bit model information into model information for normal mounting.

The operation of this embodiment having such a configuration will be described. When the operator mounts the identification card 14 of the automobile component 1 to be inspected on the card mounter 13, the card mounter 13 reads the front and back information and the model information of the identification card 14, and outputs an identification reference signal, This identification reference signal is temporarily stored in the RAM 12. Then, in accordance with a command from the CPU 8, the arithmetic circuit 10 reads the identification reference signal from the RAM 12, and determines from the front and back signals that the identification card 14 is normally mounted. To enter. Also, if it is determined from the front and back signals that the identification card 14 is mounted on the back, the arithmetic circuit 10 converts the 5-bit model information into model information at the time of normal mounting, and based on the converted model information, The drive signal is input to the mounting section driver 17.

Therefore, the driver mounting section 17 includes the arithmetic circuit 1
The mounting base 3 is moved to a position corresponding to the type of the automobile component 1 based on the drive signal from the drive signal 0, and the identification pin of the automobile component 1 to be mounted is inserted into the mounting hole 3a. Is set to a state in which the automobile component 1 can be mounted. In this case, FIG. 4 (a) shows that the mounting base 3 is moved to a position where the identification pin 5A of the first type automotive component 1 is inserted into the mounting hole 3a, and the first type automotive component 1 is mounted. Shows a state where is mounted on the component mounting section 2, and FIG.
A state in which the mounting base 3 is moved to a position where the identification pin 5B of the second type of automotive component 1 is inserted into the mounting hole 3a, and the second type of automotive component 1 is mounted on the component mounting portion 2. Is shown.

In this way, for example, when the identification pin 5A is inserted into the mounting base 3 which moves to the position corresponding to the first model, and the automobile component 1 is mounted on the component mounting section 2, the CPU 8 In response to the command, the lock control circuit 16 operates, and the vehicle component 1 is locked to the component mounting unit 2.
Next, the identification elements 5a to 5f are detected by the sensors 7a to 7f in accordance with a command from the CPU 8, and the shape of the control base, A /
The detection signals corresponding to the presence / absence of the C switch, the presence / absence of the PTC, the presence / absence of the special screw, the height of the knob, and the current value of the illumination lamp are sent to the arithmetic circuit 1 via the interface circuit 21.
It is taken into 0. The arithmetic circuit 10 stores the sensors 7a to 7 at the time of completion of the assembly of the vehicle component 1 from the memory in accordance with the data of the identification reference signal corresponding to the type of the identification card 14.
f. The assembly completion data based on the detection signal from the f. is read out, and the data of the detection signals detected by the sensors 7a to 7f are compared with the assembly completion data to assemble the automobile component 1 mounted on the component mounting section 2. A determination is made as to whether or not it has been completed.

When the arithmetic circuit 10 determines that the assembly of the automobile component 1 mounted on the component mounting section 2 is completed, the marker 20 is operated by a command to the CPU 8,
The passing parts are attached to the automobile part 1 mounted on the part mounting part 2, and at the same time, the lock control circuit 16 operates,
The lock of the vehicle component 1 to the component mounting portion 2 is released,
The automobile parts 1 can be taken out from the component mounting part 2,
The vehicle component 1 taken out of the component mounting unit 2 by the operator is provided to the next step.

On the other hand, the sensors 7a to 7
By comparing the data of the detection signal detected by f with the assembly completion data read from the memory, when it is determined that there is an erroneous assembly or unassembly in the assembly of the vehicle component 1 mounted on the component mounting unit 2, In response to a command from the CPU 8, an alarm is issued from the alarm device 15, and an identification element corresponding to erroneous assembly or non-assembly is displayed on the display 18. In this case, the operator knows the necessity of reassembly of the automobile part 1 to be inspected by the alarm of the alarm device 15, and after confirming the identification element which needs to be reassembled by the display 18, manually locks the lock. , And the vehicle component 1 is taken out of the component mounting section 2 and supplied to the assembly process again.

As described above, according to the present embodiment, the type of the automobile component 1 to be inspected is detected by the identification card 14 mounted on the card mounting device 13, and the mounting base is determined according to the detected type. 3 moves to a predetermined position, and the vehicle component 1 is mounted on the component mounting portion 2, and the sensors 7a to 7f
Detection of the identification elements 5a to 5f, the shape of the control base according to the model of the automobile part 1, the presence or absence of the A / C switch, the presence or absence of the PTC, the presence or absence of special screws, the height of the knob, the current of the lighting lamp Each value is detected. Then, the arithmetic circuit 10 converts the data of the detection signals of the sensors 7 a to 7 f into the type information of the identification card 14,
Sensors 7a to 7f upon completion of assembly read from memory
Is compared with the data of the assembly completion signal, and it is determined whether or not the assembly of the vehicle component 1 mounted on the component mounting unit 2 is completed. 1 is marked with a pass, and the lock control circuit 16 releases the lock of the vehicle component 1 to the component mounting unit 2. For this reason, according to the present embodiment, the type differs depending on the type of vehicle and whether the vehicle is used for a right-hand drive vehicle or a left-hand drive vehicle. It is automatically and quickly determined whether or not assembly has been completed in the absence of erroneous assembly, and the next step is to automatically and accurately determine the completion of assembly of automotive parts without causing human erroneous determination. It becomes possible to transfer to the process of.

[0020]

According to the first aspect of the present invention, an automobile part having a plurality of identification elements for type identification, which has a panel plate attached with a type identification mark, is mounted on a component mounting part. When performing an assembly inspection, an identification card having an identification pattern that carries type information indicating the type of the automobile part and information on the front and back of mounting is read by the identification card reading means, and the identification reference signal obtained is Based on the mounting base moving means, the mounting base of the component mounting portion is moved to a position where the automotive component can be mounted according to the type, and when the automotive component is mounted on the mounting base of the component mounting portion, the locking means As a result, the vehicle component is locked to the component mounting portion. In this state, a plurality of sensors arranged in the component mounting portion detect a plurality of identification elements for determining the type of the automobile component and an identification mark on the panel board, respectively, and the determination section detects detection signals of the plurality of sensors. The data and the data of the completion reference signal output from the plurality of sensors are compared and determined in the completed assembly state of the vehicle part, and when it is determined that the assembly of the vehicle part is completed, the unlocking means locks the locking means. Is canceled, the completion of assembly without erroneous assembly of the automobile parts can be accurately and automatically determined without any human erroneous determination and transferred to the next step.
According to the second aspect of the present invention, in addition to the effect obtained by the first aspect of the present invention, since the identification pattern of the identification card is constituted by the presence or absence of the notch formed at the edge of the identification card, it is simple. Therefore, it is possible to reduce the manufacturing cost and form the identification pattern. According to the third aspect of the present invention, in addition to the effect obtained by the second aspect of the present invention, when the identification card is erroneously inserted into the identification reference signal output means, the conversion information is output by the conversion means. Based on, the model information of the identification pattern is corrected and converted,
It is possible to inspect the automobile parts while compensating for the rear mounting of the operator and reducing the operational burden.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a configuration of an identification card used in the embodiment.

FIG. 3 is an explanatory diagram showing a configuration of a panel plate of an automobile component inspected in the embodiment.

FIG. 4 is an explanatory diagram of mounting of an automobile component to the component mounting unit according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Automobile part 2 Component mounting part 3 Mounting base 5a-5f Identification element 7a-7f Sensor 8 CPU 10 Operation circuit 13 Card mounting device 14 Identification card 16 Lock control circuit 17 Mounting part driver 20 Marker 25 Identification pattern 26 Panel board

Claims (3)

[Claims] 1. A component mounting part having a mounting base movable in a predetermined area so that a plurality of types of automobile parts can be mounted according to the type, respectively, and an identification mark corresponding to the type. And a panel plate to be attached to the vehicle component, and a plurality of panel plates arranged on the component mounting portion, which determine completion of assembly of each portion of the vehicle component according to the type of the vehicle component. A plurality of sensors for detecting the identification element and the identification mark, respectively created corresponding to the type of the automotive parts,
An identification card provided with an identification pattern for carrying type information for displaying the type and information on the front and back of the mounting; an identification card reading means mounted with the identification card and outputting an identification reference signal based on the identification pattern; A mounting base moving means for moving the mounting base to a predetermined position according to the model based on the identification reference signal; and the vehicle component mounted on the mounting base moved to the predetermined position, A locking means for locking to the component mounting portion, a detection signal of the plurality of sensors and the identification mark, and a completion reference signal output from the sensor in a completed assembly state of the vehicle component, for the vehicle. Judgment means for judging the completion of the assembly of the part; if the judgment means judges that the assembly of the automobile part has been correctly completed, the automobile part is passed. Given the over click, inspection apparatus for an automobile part and having a an assembly completion confirmation means for releasing the lock 's of the locking means. 2. The vehicle component inspection apparatus according to claim 1, wherein the identification pattern of the identification card is constituted by the presence or absence of a notch formed at an edge of the identification card. Inspection equipment for parts. 3. The apparatus for inspecting an automobile part according to claim 1, wherein the identification card is attached to the identification card reading means erroneously upside down, based on the information of the identification pattern. And a conversion means for correcting and converting the type information of the identification pattern.