JP6930019B2 - Component mounting system - Google Patents

Description

This specification discloses a component mounting system.

As a component mounting machine for mounting electronic components on a substrate, those having various functions are known. For example, in Patent Document 1, in this type of component mounting machine, an operation sound generated at the time of operation of a board holding unit, a component mounting unit, or a component supply unit is acquired, and based on the operating sound, the board holding unit and the component mounting unit are mounted. It has been proposed to detect an operation abnormality of a unit or a component supply unit.

Japanese Unexamined Patent Publication No. 2005-183572

By the way, the work of mounting an electronic component on a substrate is usually performed by using a mounting line in which a plurality of component mounting machines are arranged along a predetermined direction. In this case, in order to detect an operation abnormality as in Patent Document 1, it is necessary to provide a microphone for acquiring the operation sound for each component mounting machine arranged on the mounting line.

This disclosure has been made in view of such a problem, and it is possible to determine whether or not there is an abnormality in the component mounting machine constituting the mounting line without providing a physical quantity detecting unit for detecting a physical quantity such as sound for each component mounting machine. The main purpose is to do so.

The component mounting system of the present disclosure is
A mounting line in which multiple component mounting machines are arranged along a predetermined direction,
A mobile work device that moves along the predetermined direction and performs work on each component mounting machine.
It is a component mounting system equipped with
A physical quantity detector that is attached to the mobile work device and detects at least one physical quantity of sound, temperature, and vibration.
A determination device for determining the presence or absence of an abnormality in the component mounting machine constituting the mounting line based on the physical quantity detected by the physical quantity detecting unit.
It is equipped with.

In this component mounting system, the mobile work device that moves along the mounting line is equipped with a physical quantity detection unit, and the determination device is based on the physical quantity detected by the physical quantity detection unit. To judge. That is, the physical quantity detection unit need only be provided in the mobile work apparatus. Therefore, it is possible to determine whether or not there is an abnormality in the component mounting machine that constitutes the mounting line without providing a physical quantity detection unit for each component mounting machine that constitutes the mounting line.

The plan view which shows the schematic structure of the component mounting system 10. The perspective view which shows the schematic structure of the component mounting machine 20 and the loader 50. The perspective view which shows the schematic structure of the feeder 30. The side view which shows the schematic structure of the component mounting machine 20 and the loader 50. Explanatory drawing which shows the electrical connection relation of the component mounting system 10. The flowchart of the inspection processing routine of 1st Embodiment. The flowchart of the inspection processing routine of 2nd Embodiment. The flowchart of the inspection processing routine of 3rd Embodiment.

[First Embodiment]
A preferred embodiment of the component mounting machine of the present disclosure will be described below with reference to the drawings. 1 is a plan view showing a schematic configuration of a component mounting system 10, FIG. 2 is a perspective view showing a schematic configuration of a component mounting machine 20 and a loader 50, FIG. 3 is a perspective view showing a schematic configuration of a feeder 30, and FIG. 4 is a component. A side view showing a schematic configuration of the mounting machine 20 and the loader 50, and FIG. 5 is an explanatory view showing an electrical connection relationship of the component mounting system 10. The X-axis direction (horizontal direction), Y-axis direction (front-back direction), and Z-axis direction (vertical direction) are as shown in FIGS. 1 and 2 (in FIG. 1, the Z-axis direction is the direction perpendicular to the paper surface). ..

The component mounting system 10 includes a mounting line 12, a loader 50, and a management computer 80.

As shown in FIG. 1, the mounting line 12 is configured by arranging a plurality of component mounting machines 20 along the X direction. The board S is carried into the leftmost component mounting machine 20, then transported to the right, and then carried out from the rightmost component mounting machine 20. Therefore, the left side of the mounting line 12 is referred to as an upstream side, and the right side is referred to as a downstream side. In the present embodiment, as the component mounting machine 20, a type in which the substrate S is conveyed in two front and rear rows is illustrated, but the present invention is not particularly limited to this type.

As shown in FIG. 2, the component mounting machine 20 includes a substrate transfer device 21, a feeder base 22, a head 23, and a head moving mechanism 24. The substrate transfer device 21 conveys the substrate S in the X direction. The feeder stand 22 is a stand provided on the front surface of the component mounting machine 20 and having an L-shaped side view. The feeder base 22 includes a plurality of slots 22a arranged in the X direction and a connector 22c provided between two upper and lower positioning holes 22b. The head 23 has a nozzle that sucks the parts supplied to the predetermined parts supply position by the feeder 30 with a negative pressure and releases the sucked parts with a positive pressure. The head moving mechanism 24 moves the head 23 in the XY directions. Further, the component mounting machine 20 includes a mounting control device 28 (see FIG. 5) that controls the entire device. The mounting control device 28 is composed of a well-known CPU, ROM, HDD, RAM, etc., and outputs a drive signal to the board transfer device 21, the head 23, the head moving mechanism 24, and the like.

The feeder 30 is configured as a tape feeder that sends out a tape that accommodates parts at a predetermined pitch. As shown in FIG. 3, the feeder 30 includes a tape reel 32, a tape feeding mechanism 33, a connector 35, a rail member 37, and a barcode 38. The tape reel 32 winds and holds the tape. The tape has parts stored in a plurality of recesses provided on the tape surface. The tape feeding mechanism 33 pulls out the tape from the tape reel 32 and feeds the tape to a predetermined component supply position where the nozzle can suck the components. The connector 35 is provided between the two protruding positioning pins 34. The rail member 37 is a member having a shape extending in the Y direction on the lower end surface of the feeder 30. The barcode 38 includes a serial ID that can identify the type (part type) of the parts housed in the tape reel 32 as information, and is provided on the upper surface of the feeder 30. When the feeder 30 is set on the feeder base 22, the rail member 37 of the feeder 30 is inserted from the front to the rear along the slot 22a of the feeder base 22. When the insertion is completed, the two positioning pins 34 of the feeder 30 are fitted into the two positioning holes 22b of the feeder base 22, and at the same time, the connector 35 of the feeder 30 is fitted into the connector 22c of the feeder base 22 and both connectors 35. , 22c are electrically connected. When removing the feeder 30 from the feeder stand 22, the procedure is the reverse of the setting. The feeder 30 includes a feeder control device 39 (see FIG. 5) that controls the entire feeder. The feeder control device 39 is composed of a well-known CPU, ROM, RAM, and the like, and outputs a drive signal to the tape feed mechanism 33. Further, the feeder control device 39 can communicate with the mounting control device 28, the management computer 80, and the like via the connectors 35 and 22c.

As shown in FIGS. 2 and 4, an upper guide rail 40, a lower guide rail 42, a rack gear 44, and a non-contact power feeding coil 46 are provided on the front surface of the component mounting machine 20. The upper guide rail 40 is a rail having a U-shaped cross section extending in the X direction, and the opening faces downward. The lower guide rail 42 is a rail having an L-shaped cross section extending in the X direction, a vertical surface is attached to the front surface of the component mounting machine 20, and a horizontal plane extends forward. The rack gear 44 is a gear that extends in the X direction and has a plurality of vertical grooves engraved on the front surface. The non-contact feeding coil 46 is a coil arranged along the X direction. The upper guide rail 40, the lower guide rail 42, and the rack gear 44 of the component mounting machine 20 can be detachably connected to the upper guide rail 40, the lower guide rail 42, and the rack gear 44 of the adjacent component mounting machine 20. Therefore, the component mounting machines 20 are standardized, and the number of component mounting machines 20 lined up on the mounting line 12 can be increased or decreased.

As shown in FIG. 4, the loader 50 is composed of two upper and lower stages, the lower stage is a traveling table 52, and the upper stage is a feeder storage unit 70.

The traveling table 52 includes an upper roller 54, a lower roller 56, a pinion gear 58, a traveling motor 60, and a non-contact power receiving coil 62. The upper roller 54 is inserted upward from the opening of the upper guide rail 40 and is supported so as to be rotatably engaged with the side wall of the upper guide rail 40. The lower roller 56 is supported so as to be rotatably engaged with the horizontal plane of the lower guide rail 42. The pinion gear 58 is meshed with the rack gear 44. In the traveling motor 60, the motor shaft is connected to the rotating shaft of the pinion gear 58. When the pinion gear 58 meshing with the rack gear 44 extending in the X direction is rotated by the traveling motor 60, the upper roller 54 rolls on the side wall of the upper guide rail 40 and the lower roller 56 rolls on the horizontal plane of the lower guide rail 42. While moving, the traveling table 52 and thus the loader 50 move in the X direction. On the other hand, the non-contact power receiving coil 62 faces the non-contact power feeding coil 46 of the component mounting machine 20 while maintaining a predetermined interval, and receives power required for operations such as running of the loader 50 from the component mounting machine 20. The non-contact power receiving coil 62 may charge a battery (not shown) with electric power received from the component mounting machine 20, and use the electric power of the battery for operations such as traveling. The pedestal 52 further includes a loader control device 64 and an encoder 66, as shown in FIG. The loader control device 64 is composed of a well-known CPU, ROM, HDD, RAM, and the like. The encoder 66 detects the position of the loader 50 in the X direction and outputs the position to the loader control device 64.

The feeder storage unit 70 stores the feeder 30 to be replenished to the component mounting machine 20, and stores the feeder 30 collected from the component mounting machine 20. The feeder storage unit 70 includes a feeder transfer mechanism 72, a barcode reader 74, and a microphone 76. The feeder transfer mechanism 72 replenishes and collects the feeder 30. Specifically, when the feeder 30 is replenished to the component mounting machine 20, the feeder transfer mechanism 72 clamps the feeder 30 stored in the feeder storage unit 70 and moves the feeder 30 backward along the Y axis to mount the components. It is inserted into the empty slot 22a of the feeder base 22 of the machine 20. Further, when the feeder 30 is recovered from the component mounting machine 20, the feeder transfer mechanism 72 clamps the feeder 30 held on the feeder base 22 of the component mounting machine 20 and moves the feeder 30 forward along the Y axis. It is pulled out from the feeder stand 22 and stored in the feeder storage unit 70. The electric power required for the feeder transfer mechanism 72 is supplied from the component mounting machine 20 via the non-contact power feeding coil 46. The barcode reader 74 reads the barcode 38 of the feeder 30 stored in the feeder storage unit 70, and outputs the read information to the loader control device 64. The microphone 76 is attached to the top plate of the feeder storage unit 70 in a posture facing the component mounting machine 20 (mounting line 12). The microphone 76 is highly directional (for example, unidirectional or super directional). The sound picked up by the microphone 76 is recorded in the internal memory (HDD or RAM) of the loader control device 64.

The management computer 80 is composed of a well-known CPU, ROM, HDD, RAM, etc., and includes a display 82 such as an LCD and an input device 84 such as a keyboard and a mouse as shown in FIG. Production job data is stored in the HDD of the management computer 80. The production job data defines which parts are mounted on the board S in what order in each component mounting machine 20, and how many boards S are mounted in this way. The management computer 80 is connected to the mounting control device 28 of each component mounting machine 20 by wire so as to enable bidirectional communication. The management computer 80 is capable of bidirectional communication with the loader control device 64.

Next, the operation of the component mounting machine 20 will be described. The mounting control device 28 of the component mounting machine 20 controls the head moving mechanism 24 so that the nozzle of the head 23 comes to the component supply position of the feeder 30, and attracts the component supplied by the feeder 30 to the nozzle. After that, the mounting control device 28 controls the head moving mechanism 24 so that the component attracted to the nozzle comes to a predetermined mounting position on the substrate S, releases the suction of the component by the nozzle, and mounts the component at the mounting position. do. The mounting control device 28 performs this mounting operation on all the components to be mounted on the substrate S. Further, the mounting control device 28 mounts components on the number of boards S set in the production job data.

The mounting control device 28 of the component mounting machine 20 subtracts the remaining number of parts of the feeder 30 each time a component is taken out from the feeder 30, and when the remaining number of parts of the feeder becomes equal to or less than a predetermined threshold value, the component is cut off. It is regarded as approaching, and a supply request for parts is output to the management computer 80.

The management computer 80 that has input the replenishment request displays a screen on the display 82 instructing the operator to set the feeder 30 containing the parts that need to be replenished in the feeder storage unit 70 of the loader 50. After seeing this screen, the operator sets the feeder 30 accommodating the component type in the feeder storage unit 70 of the loader 50. When the feeder 30 is set in the feeder storage unit 70, the barcode reader 74 reads the barcode 38 of the feeder 30, and the serial ID of the barcode 38 is transmitted from the loader control device 64 to the management computer 80. Since the management computer 80 stores the data related to the parts for each serial ID in the HDD, it determines whether or not the part type of the feeder 30 set in the loader 50 is the same as the part type for which the replenishment request has been made. The management computer 80 notifies an error if both component types are not the same. If both component types are the same, the management computer 80 outputs a feeder replacement request to the loader control device 64. The feeder replacement request is a command instructing the loader 50 to replace the feeder in the component mounting machine 20 that outputs the supply request. In the feeder replacement request, the position information of the slot 22a of the feeder base 22 of the component mounting machine 20, specifically, the position information of the slot 22a into which the feeder 30 to be replenished is inserted and the feeder 30 out of parts are inserted. The position information of the slot 22a is also included.

When the feeder replacement request is input from the management computer 80, the loader control device 64 controls the traveling motor 60 so that the loader 50 comes to the front position of the component mounting machine 20 that outputs the supply request. Specifically, the traveling motor 60 is controlled so that the feeder 30 set in the feeder storage unit 70 faces the slot 22a into which the feeder 30 is inserted. In that state, the loader control device 64 controls the feeder transfer mechanism 72 so that the feeder 30 set in the feeder storage unit 70 is inserted into the slot 22a facing the feeder 30. As a result, a new feeder 30 is supplied to the component mounting machine 20.

After that, the loader control device 64 controls the traveling motor 60 so that the feeder collection position of the feeder storage unit 70 faces the feeder 30 whose parts of the feeder base 22 have run out. In that state, the loader control device 64 controls the feeder transfer mechanism 72 so that the feeder 30 out of parts is pulled into the feeder collection position of the feeder storage unit 70. As a result, the out-of-parts feeder 30 is collected by the loader 50.

In this way, the loader 50 automatically replenishes the new feeder 30 containing the same parts as the part type that has run out of parts and collects the feeder 30 that has run out of parts. Therefore, the component mounting machine 20 simply switches the component supply position of the feeder 30 out of components (the position where the component is sucked by the nozzle provided on the head 23) to the component supply position of the new feeder 30 to perform the mounting work. Production can be continued without interruption.

Next, the inspection processing routine executed by the loader control device 64 will be described. When the loader control device 64 inputs an inspection request for the mounting line 12 from the management computer 80 during the component mounting operation of the component mounting machine 20, the loader control device 64 reads the inspection program from the ROM and executes the inspection processing routine. The management computer 80 periodically transmits an inspection request for the mounting line 12 to the loader control device 64. FIG. 6 is a flowchart showing an example of the inspection processing routine.

When the loader control device 64 starts the inspection processing routine, it first determines whether or not the loader 50 is executing the replenishment work or the recovery work of the feeder (S100), and if the loader 50 is executing the work, it is again performed. Return to S100. That is, the loader control device 64 waits until the work of the loader 50 is completed. On the other hand, if the loader 50 is not executing the work in S100, the loader control device 64 resets n, which is a variable of the counter included in the loader control device 64, to zero (S110). Subsequently, the loader control device 64 increments n by 1 (S120), and controls the traveling motor 60 so that the loader 50 stops at a position facing the nth component mounting machine 20 (S130). Here, it is assumed that the first component mounting machine 20, the second component mounting machine 20, and so on are counted in order from the left side to the right side of the mounting line 12. Subsequently, the loader control device 64 records the operation sound picked up by the microphone 76 in the internal memory (HDD or RAM) for a predetermined time (S140). The predetermined time may be, for example, the time from when the board S is carried into the component mounting machine 20 facing the loader 50 until it is carried out, or it may be a time that allows for a margin. The sound recorded in the internal memory in S140 is mainly the operating sound of the nth component mounting machine 20. Subsequently, the loader control device 64 determines whether or not n has reached the upper limit (S150), and if n has not reached the upper limit, returns to S120 again. The upper limit of n is the total number of component mounting machines 20 constituting the mounting line 12. On the other hand, if n has reached the upper limit in S150, the loader control device 64 determines the presence or absence of an abnormality based on the operation sound recorded for each component mounting machine 20 (S160). For example, the loader control device 64 analyzes the recorded operating sound, and an abnormal sound component (for example, a sound component in a specific frequency range or a sound component having a magnitude exceeding a predetermined threshold value) that cannot be generated in a normal component mounting operation. Etc.) may be included or not, and the presence or absence of abnormality may be determined. Alternatively, when the result of the inspection of the component mounting machine 20 is good, the operation sound immediately after the inspection is recorded and used as the reference sound (normal operation sound), and the reference sound and the recorded operation sound are recorded. The presence or absence of abnormality may be determined by comparison. After that, the loader control device 64 outputs the determination result to the management computer (S170), and ends this routine.

When the management computer 80 inputs the determination result from the loader control device 64, the management computer 80 displays the determination result on the display 82. If no abnormality is found in all the component mounting machines 20, the management computer 80 displays that fact on the display 82. When there is a component mounting machine 20 in which an abnormality is found, the management computer 80 displays on the display 82 a content indicating which number of the component mounting machine 20 may cause an abnormality. The operator who sees this display performs the inspection work of the component mounting machine 20 which may cause an abnormality.

Here, the correspondence between the components of the present embodiment and the components of the present disclosure will be clarified. The component mounting system 10 of the present embodiment corresponds to the component mounting system of the present disclosure, the mounting line 12 corresponds to the mounting line, the loader 50 corresponds to the mobile work device, the sound corresponds to the physical quantity, and the microphone 76 corresponds. It corresponds to the physical quantity detection unit, and the loader control device 64 corresponds to the determination device.

In the component mounting system 10 of the first embodiment described above, the loader 50 that moves along the mounting line 12 includes a microphone 76, and the loader control device 64 sets the mounting line 12 based on the operating sound detected by the microphone 76. It is determined whether or not there is an abnormality in the constituent component mounting machine 20. That is, the microphone 76 need only be provided on the loader 50. Therefore, it is possible to determine whether or not there is an abnormality in the component mounting machine 20 that constitutes the mounting line 12 without providing a microphone for each component mounting machine 20 that constitutes the mounting line 12.

Further, the loader 50 moves so as to sequentially face a plurality of component mounting machines 20 arranged on the mounting line 12, and the microphone 76 detects the operating sound of the component mounting machines 20 facing the loader 50 and controls the loader. The device 64 determines whether or not there is an abnormality in the component mounting machine 20 facing the loader 50 based on the operating sound. Therefore, it is possible to determine the presence or absence of an abnormality for each component mounting machine 20.

[Second Embodiment]
The second embodiment is the same as the first embodiment except that the microphone 76 is omnidirectional (omnidirectional) and the inspection processing routine is different from that of the first embodiment. Therefore, the inspection processing routine will be mainly described below. FIG. 7 is a flowchart showing an example of the inspection processing routine of the second embodiment.

When the loader control device 64 starts the inspection processing routine, it first determines whether or not the loader 50 is executing the replenishment work or the recovery work of the feeder (S200), and if the loader 50 is executing the work, it is again performed. Return to S200. That is, the loader control device 64 waits until the work of the loader 50 is completed. On the other hand, if the loader 50 is not executing the work in S200, the loader control device 64 controls the traveling motor 60 so that the loader 50 stops at the center of the mounting line 12 (S210). Subsequently, the loader control device 64 records the sound picked up by the microphone 76 in the internal memory (HDD or RAM) for a predetermined time (S220). Here, the operating sounds generated by all the component mounting machines 20 constituting the mounting line 12 are recorded. In the present embodiment, since the microphone 76 is omnidirectional, it is suitable for recording such an operating sound. The predetermined time may be, for example, the time from when one board S is carried into the upstream side of the mounting line 12 until it is carried out from the downstream side, or when one board S is carried into one component mounting machine 20. It may be the time from the time it is carried in to the time it is taken out, or it may be the time that allows for a margin. Subsequently, the loader control device 64 determines whether or not there is an abnormality among the plurality of component mounting machines 20 arranged on the mounting line 12 based on the recorded overall operating sound (S230). Here, the loader control device 64 analyzes the recorded operation sound and determines the presence or absence of an abnormality based on whether or not an abnormal sound component that cannot be generated in a normal component mounting operation is included. After that, the loader control device 64 outputs the determination result to the management computer (S240), and ends this routine.

When the management computer 80 inputs the determination result from the loader control device 64, the management computer 80 displays the determination result on the display. If no abnormality is found in the entire mounting line 12, the management computer 80 displays the fact on the display 82, and if any abnormality is found, the management computer 80 displays a plurality of component mounting machines arranged on the mounting line 12. The display 82 indicates that there is a possibility that there is an abnormality in 20. The operator who sees this display performs inspection work on a plurality of component mounting machines 20 constituting the mounting line 12 in which an abnormality may occur.

In the component mounting system 10 of the second embodiment described above, the loader 50 moving along the mounting line 12 includes a microphone 76, and the loader control device 64 configures the mounting line 12 based on the sound detected by the microphone 76. It is determined whether or not there is an abnormality in the component mounting machine 20. That is, the microphone 76 need only be provided on the loader 50. Therefore, it is possible to determine whether or not there is an abnormality in the component mounting machine 20 that constitutes the mounting line 12 without providing a microphone for each component mounting machine 20 that constitutes the mounting line 12.

Further, the microphone 76 detects the entire operating sound of the mounting line 12, and the loader control device 64 is among the plurality of component mounting machines 20 arranged on the mounting line 12 based on the operating sound detected by the microphone 76. Determine if there is something wrong with. Therefore, it is possible to know whether or not there is an abnormal one among the plurality of component mounting machines 20 arranged on the mounting line 12.

[Third Embodiment]
In the third embodiment, as compared with the first embodiment, the unidirectionality and the omnidirectionality (omnidirectionality) of the microphone 76 can be switched by the loader control device 64, and the inspection processing routine is different. Is the same as in the first embodiment. Therefore, the inspection processing routine will be mainly described below. FIG. 8 is a flowchart showing an example of the inspection processing routine of the third embodiment.

When the loader control device 64 starts the inspection processing routine, the loader control device 64 executes the processing of S200 to S230. Since the processes of S200 to S230 have been described in the second embodiment, the description thereof will be omitted here. The microphone 76 is set to omnidirectional before recording with S220. After S230, the loader control device 64 determines whether or not there is an abnormal one in the plurality of component mounting machines 20 arranged on the mounting line 12 (S232), and if not, the management computer to that effect. Output to 80 (S234) and end this routine. On the other hand, if there is something abnormal in S232, the loader control device 64 executes the processes of S110 to S170. Since the processing of S110 to S170 has been described in the first embodiment, the description thereof will be omitted here. The microphone 76 is set to unidirectional before recording in S140.

In the component mounting system 10 of the third embodiment described above, the same effect as that of the second embodiment can be obtained. In addition, the loader control device 64 first determines whether or not there is an abnormal one in the plurality of component mounting machines 20 arranged on the mounting line 12, and when there is an abnormal one, the component mounting The presence or absence of an abnormality is determined for each machine 20. Therefore, the time required for the determination is shorter than in the case of determining the presence or absence of an abnormality for each component mounting machine 20 from the beginning.

[Other Embodiments]
It goes without saying that the present invention is not limited to the above-described embodiment, and can be implemented in various aspects as long as it belongs to the technical scope of the present invention.

For example, in each of the above-described embodiments, sound is adopted as the physical quantity and the microphone 76 is adopted as the physical quantity detection unit, but instead, vibration is adopted as the physical quantity and the vibration of the component mounting machine 20 is detected as the physical quantity detection unit. A vibration detection sensor may be adopted. In that case, the presence or absence of abnormality in the component mounting machine 20 may be determined based on the detected vibration level (magnitude). Alternatively, a temperature may be adopted as the physical quantity, and a temperature detection sensor for detecting the temperature of the component mounting machine 20 may be adopted as the physical quantity detecting unit. In that case, the presence or absence of abnormality in the component mounting machine 20 may be determined based on the detected temperature. It may take some time for the temperature and vibration to change after the abnormality occurs in the component mounting machine 20, but the sound is abnormal because it changes relatively quickly after the abnormality occurs in the component mounting machine 20. It is easy to detect the presence or absence of. In this respect, it is preferable to use sound as a physical quantity.

In each of the above-described embodiments, the loader control device 64 determines the presence or absence of an abnormality based on the recorded data (operating sound), but the loader control device 64 transmits the recorded data to the management computer 80 and receives the recorded data. 80 may determine the presence or absence of abnormality. In that case, the management computer 80 plays the role of a determination device.

In each of the above-described embodiments, the microphone 76 is attached to the top plate of the feeder storage unit 70, but the present invention is not particularly limited, and the microphone 76 may be attached to the side surface of the traveling table 52 or the side surface of the feeder storage unit 70. It may be built in the loader 50.

In each of the above-described embodiments, the management computer 80 displays the determination result on the display 82, but instead of or in addition to this, the loader control device 64 may display the determination result on its own display, or mounting control. The device 28 may acquire the determination result from the loader control device 64 and display it on its own display.

In S160 of the first and third embodiments described above, the presence or absence of an abnormality in each component mounting machine 20 is determined after recording the operating sounds of all the component mounting machines 20 constituting the mounting line 12, but one unit is used. The presence or absence of an abnormality in the component mounting machine 20 may be determined each time the operation sound of the component mounting machine 20 is recorded. Further, in S140, the operation sound is recorded for each component mounting machine 20 for a predetermined time, but the operation sound for each operation of the component mounting machine 20 may be recorded. The operations include, for example, an operation in which the substrate transfer device 21 carries in the substrate S, an operation in which the feeder 30 supplies parts, an operation in which the nozzle of the head 23 sucks the parts from the tape, and an operation in which the head moving mechanism 24 moves the head 30. Examples include an operation, an operation in which the nozzle of the head 23 attaches the component to the substrate S, an operation in which the substrate transfer device 21 carries out the substrate S, and the like. When recording the operation sound for each operation of the component mounting machine 20, the component mounting machine 20 notifies the loader control device 64 of the start and end of the operation of each process, and the loader control device 64 notifies the loader 50 in accordance with the notification. The operation sound may be recorded by moving the component mounting machine 20 to a position facing the component mounting machine 20.

In the second embodiment described above, the loader 50 is moved to the center of the mounting line 12 in S210, but it may be other than the center of the mounting line 12 as long as the entire operating sound of the mounting line 12 can be picked up.

In the third embodiment described above, the microphone 76 capable of switching between unidirectional and omnidirectional is used, but two microphones, a unidirectional microphone and an omnidirectional microphone, are attached to the loader 50. An omnidirectional microphone may be used in S220, and a unidirectional microphone may be used in S140.

In each of the above-described embodiments, the feeder 30 has been exemplified as the component supply device, but the present invention is not particularly limited to the feeder 30, and for example, a component tray or a unit for supplying the component tray may be used. Further, the component supply device is not limited to a device that supplies components mounted on the substrate S such as the feeder 30, and is, for example, a device that supplies a head or a nozzle that supplies a replacement nozzle attached to the head. It may be a stocker.

In each of the above-described embodiments, an example is shown in which the loader 50 performs both replenishment and recovery of the feeder 30, but the present invention is not particularly limited to this, and for example, the loader 50 has only one of replenishment and recovery. May be executed.

In each of the above-described embodiments, the loader 50 traveling by the traveling motor 60 has been exemplified as the mobile working device, but the present invention is not particularly limited thereto. For example, it may be an automatic guided vehicle that travels by the magnetic induction action of the guideline embedded in the floor surface.

In each of the above-described embodiments, the electric power for operating the loader 50 is supplied from the component mounting machine 20 via the non-contact power feeding coil 46, but the present invention is not particularly limited to this. For example, the battery may be mounted on the loader 50.

In each of the above-described embodiments, the rotational motion of the traveling motor 60 is converted into linear motion using the rack gear 44 and the pinion gear 58, but a chain is used instead of the rack gear 44 and a sprocket wheel is used instead of the pinion gear 58 for traveling. The rotary motion of the motor 60 may be converted into a linear motion.

In each of the above-described embodiments, a plurality of component mounting machines 20 are arranged in the X direction as the mounting line 12, but printing is performed on the substrate S on the upstream side of the component mounting machine 20 at the most upstream position. A printing inspection machine for inspecting the machine and its printing status may be arranged. Alternatively, a component inspection machine for inspecting the components on the substrate S and a reflow machine for reflowing the solder may be arranged on the downstream side of the component mounting machine 20 at the most downstream position.

In each of the above-described embodiments, the loader control device 64 determines the presence or absence of an abnormality based on the recorded data (operating sound). Recording may be performed. As a method of estimating defects and recognizing signs, for example, the number of abnormal adsorption operations, an increase in the error rate, the number of mounting defects by an inspection machine, an increase in the defect rate, and the like can be considered. Further, when a defective portion is identified by some statistical processing of defective data, the operating sound of the defective portion may be recorded. By recording and analyzing the operating sound in this way, there is a possibility that the state of failure can be grasped more clearly.

[Configuration example of the component mounting system of the present disclosure]
The component mounting system of the present disclosure may be configured as follows.

In the component mounting system of the present disclosure, the mobile work device moves so as to sequentially face a plurality of the component mounting machines arranged on the mounting line, and the physical quantity detection unit faces the mobile work device. The physical quantity of the component mounting machine is detected, and the determination device determines whether or not there is an abnormality in the component mounting machine facing the mobile work device based on the physical quantity detected by the physical quantity detecting unit. You may. In this way, it is possible to determine the presence or absence of an abnormality for each component mounting machine.

In the component mounting system of the present disclosure, the physical quantity detecting unit detects the physical quantity with respect to the entire mounting line, and the determination device arranges the physical quantity on the mounting line based on the physical quantity detected by the physical quantity detecting unit. It may be determined whether or not there is an abnormality among the plurality of the component mounting machines. In this way, it is possible to know whether or not there is an abnormality among the plurality of component mounting machines arranged on the mounting line.

In this case, if it is determined that there is an abnormality among the plurality of component mounting machines arranged on the mounting line, the mobile work apparatus mounts the plurality of components arranged on the mounting line. The physical quantity detection unit sequentially moves to face the machine, the physical quantity detection unit detects the physical quantity related to the component mounting machine facing the mobile work device, and the determination device detects the physical quantity detected by the physical quantity detection unit. It may be determined whether or not there is an abnormality in the component mounting machine facing the mobile work device based on the above. That is, first, it is determined whether or not there is an abnormality among the plurality of component mounting machines arranged on the mounting line, and when there is an abnormality, it is determined whether or not there is an abnormality for each component mounting machine. .. Therefore, the time required for the determination is shorter than in the case of determining the presence or absence of an abnormality for each component mounting machine from the beginning.

In the component mounting system of the present disclosure, the physical quantity is preferably sound. Temperature and vibration may take some time to change after an abnormality occurs in the component mounting machine, but sound changes relatively quickly after an abnormality occurs in the component mounting machine, so the presence or absence of an abnormality is early. Easy to find.

The present invention can be used in various industries in which components are mounted on a substrate.

10 component mounting system, 12 mounting line, 20 component mounting machine, 21 board transfer device, 22 feeder stand, 22a slot, 22b hole, 22c connector, 23 head, 24 head moving mechanism, 28 mounting control device, 30 feeder, 32 tape Reel, 33 tape feed mechanism, 34 pins, 35 connectors, 35 both connectors, 37 rail members, 38 barcodes, 39 feeder control devices, 40 upper guide rails, 42 lower guide rails, 44 rack gears, 46 non-contact power supply coils, 50 Loader, 52 pedestal, 54 upper roller, 56 lower roller, 58 pinion gear, 60 traction motor, 62 non-contact power receiving coil, 64 loader control device, 66 encoder, 70 feeder storage unit, 72 feeder transfer mechanism, 74 barcode Reader, 76 microphones, 80 management computers, 82 displays, 84 input devices.

Claims (2)

A mounting line in which multiple component mounting machines are arranged along a predetermined direction,
A mobile work device that moves along the predetermined direction and performs work on each component mounting machine.
A physical quantity detector that is attached to the mobile work device and detects at least one physical quantity of sound, temperature, and vibration.
A determination device for determining whether or not there is an abnormality among the plurality of component mounting machines arranged in the mounting line based on the physical quantity detected by the physical quantity detecting unit with respect to the entire mounting line. When,
Equipped with a,
If it is determined that there is an abnormality among the plurality of component mounting machines arranged on the mounting line, the mobile work apparatus sequentially moves to the plurality of component mounting machines arranged on the mounting line. Move to face each other,
The physical quantity detection unit detects the physical quantity of the component mounting machine facing the mobile work device, and detects the physical quantity.
The determination device determines the presence or absence of an abnormality in the component mounting machine facing the mobile working device based on the physical quantity detected by the physical quantity detecting unit with respect to the component mounting machine facing the mobile working device. judge,
Component mounting system. The physical quantity is sound,
The component mounting system according to claim 1.

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