JP2012064848A - Electronic component mounting device and electronic component mounting method, unit of electronic component mounting device and use history information processing system - Google Patents

Abstract

【Task】
The present invention provides a unit that can reliably trace the use history information necessary for maintenance of the unit of the electronic component mounting apparatus, or gives the use history information to the unit or electronically based on the use history information from the unit of the electronic component mounting apparatus. An electronic component mounting apparatus or an electronic component mounting method for mounting a component on a board is provided.
[Solution]
The present invention relates to an electronic component mounting apparatus or an electronic component mounting method for taking out an electronic component and mounting it on the substrate, and a usage history built in a nonvolatile recording medium of a unit constituting the electronic component mounting apparatus or mounted or connected thereto. Use history information having a maintenance history is fetched, a part or all of the use history information is updated with the mounting work, and the updated usage history information is sent to the unit after the mounting work is completed. .
[Selection] Figure 5

Description

  The present invention relates to an electronic component mounting apparatus and an electronic component mounting method, a unit of the electronic component mounting apparatus, and a use history information processing system, and in particular, an electronic component mounting apparatus and an electronic component mounting method capable of reliably tracing a use history and a maintenance history, The present invention relates to an electronic component mounting apparatus unit and a usage history information processing system.

  The electronic component mounting apparatus mounts or connects various units such as a mounting head, a feeder cart, and a multi-stage tray feeder to the apparatus main body, and mounts the electronic component on the substrate. There are various types of units that are suitable for different types of work. For example, the mounting head includes a high-speed head that can be mounted at high speed and a multi-function head that can handle various electronic components. These units need to be maintained when they reach a predetermined use situation.

  In the following Patent Document 1, the operating time of the mounting head is obtained by using an electronic component mounting apparatus or a database system built outside based on the specific information of the mounting head stored in the memory chip provided in the mounting head. In addition, a technique for grasping usage history information such as a defect rate and a maintenance history and backing up the usage history information is disclosed. The unique information described in Patent Literature 1 includes mounting head ID information, format data, data necessary for mounting such as the height of the suction nozzle mounting portion with respect to the reference position, and does not include usage history information.

JP 2004-221518 A

However, an electronic component mounting apparatus or a database system built outside is enormous. For example, information exchange between the electronic component mounting apparatus and the database system may not be performed reliably, and management thereof is difficult. As a result, there is a problem that usage history information is not traced reliably. The usage history information referred to in the present invention is information necessary for maintenance of the unit, and includes, for example, the manufacturing date and the number of times of use in addition to the above-described operation time, defect rate, and maintenance history.

The present invention has been made in view of the above situation, and a first object of the present invention is to provide an external unit that can be mounted or connected to an electronic component mounting device or a component unit that constitutes an electronic component mounting device (hereinafter referred to as It is an object of the present invention to provide a unit of an electronic component mounting apparatus that can reliably trace use history information necessary for maintenance of a unit (except when necessary).
A second object of the present invention is to provide an electronic component mounting apparatus or an electronic component that attaches an electronic component to a substrate based on usage history information given to the unit of the electronic component mounting apparatus or based on the usage history information from the unit of the electronic component mounting apparatus. It is to provide a mounting method.
A third object of the present invention is to provide a usage history information processing system in which a unit of an electronic component mounting apparatus can reliably trace usage history information.

In order to achieve the above object, the present invention has at least the following features.
The present invention includes a main body including a constituent unit including a transfer mechanism and a moving mechanism for moving a mounting device and a mounting head to the substrate, an external unit mounted on or connected to the main body, the main body, and the external unit An electronic component mounting apparatus or an electronic component mounting method for performing a mounting operation for taking out an electronic component and mounting the electronic component on the board, among a plurality of units including the component unit and the external unit. The usage history information including the usage history and the maintenance history incorporated in the nonvolatile recording medium included in at least one unit is fetched, and part or all of the usage history information is updated with the model mounting operation, and the mounting operation is performed. The first feature is that after the end, the updated usage history information is sent to the unit.

According to a second aspect of the present invention, the external unit includes at least one unit among a mounting head, a feeder cart, a tape feeder, a traverse part of a multistage tray feeder, and an elevator part of the multistage tray feeder.
Furthermore, the present invention has a third feature that it is determined whether the unit can be used or applied to the mounting work based on the use history information.
The fourth feature of the present invention is that the unit which is unusable or unsuitable is notified and urged to be maintained.

  Furthermore, the present invention relates to a non-volatile recording medium containing usage history information having usage history and maintenance history in a unit of the electronic component mounting device that is mounted on or connected to the electronic component mounting device that takes out the electronic component and mounts it on the board. And a control circuit that transmits / receives the usage history information to / from the electronic component mounting apparatus and writes or reads the usage history information to / from a nonvolatile recording medium.

  In addition, the use history of the unit and the maintenance history of the electronic component mounting device between the electronic component mounting device and the electronic component mounting device to be mounted on or connected to the electronic component mounting device to be taken out and mounted on the board A sixth feature includes an input / output interface that transmits / receives information and a history processing unit that transmits and processes the usage history information to the unit via the input / output interface.

ADVANTAGE OF THE INVENTION According to this invention, the unit of the electronic component mounting apparatus which can trace reliably use log information required for the maintenance of the unit of an electronic component mounting apparatus can be provided.
In addition, according to the present invention, an electronic component mounting apparatus or an electronic component mounting device that attaches usage history information to a unit of an electronic component mounting device or mounts an electronic component on a board based on usage history information from the unit of the electronic component mounting device. Can provide a method.
Furthermore, according to the present invention, it is possible to provide a usage history information processing system in which the unit of the electronic component mounting apparatus can reliably trace the usage history information.

It is a top view of the electronic component mounting apparatus which is embodiment of this invention. It is the side view which looked at the electronic component mounting apparatus shown in FIG. 1 from the A direction. It is a figure which shows the fundamental view of the traceability of the usage history information in this embodiment. It is a figure which shows the basic processing flow for ensuring the traceability of usage history information. It is a figure which shows the structure containing each unit when mounting | wearing with the electronic component mounting apparatus of this embodiment. 6 shows a configuration of the mounting head 6, FIG. 6A is a side view of the mounting head 6 shown on the lower side of FIG. 1, and FIG. 6B is a front view of the mounting head 6 viewed from the substrate PR side in FIG. 1. The figure is shown. It is a figure which shows the example of the usage history information of the mounting head. It is a figure which shows the usage log information processing system which is the 2nd Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of an electronic component mounting apparatus 50 according to an embodiment of the present invention. FIG. 2 is a side view of the electronic component mounting apparatus 50 shown in FIG. The electronic component mounting apparatus 50 includes a main body 50M and external units such as a mounting head 6 and a feeder cart 3 that are mounted on or connected to the main body 50M.

  FIG. 1 is a diagram in which two mounting heads 6 adsorb electronic components from the upper tape feeder 3B and the lower multi-stage tray feeder 12, respectively. A plurality of suction nozzles 5 (three in this embodiment) are attached to the mounting head 6 in parallel on the printed circuit board side for sucking electronic components. After these suction nozzles reach above the tape feeder 3B, the mounting head 6 is further moved along the x-beam 4A at the position of the tape feeder 3B to suck the target electronic component to each suction nozzle. . A substrate recognition camera 8 is installed in the mounting head 6. When the mounting head 6 moves above the substrate after suction, a reference point of the printed circuit board PR is recognized, and an electronic component is based on the reference point of the printed circuit board PR. Is mounted on the printed circuit board PR.

As shown in FIG. 2, the feeder cart 3 is disposed in one of the electronic component supply regions on both sides of the main body 50M, and the multi-stage tray feeder 12 is disposed in the other. The feeder cart 3 includes a feeder base 3A and a plurality of tape feeders 3B, and is connected to the main body of the main body 50M. Each tape feeder 3B has a supply tape 60 in which electronic components are accommodated. When the electronic component stored in the supply tape is taken out by the suction nozzle 5 of the mounting head 6, the supply tape is fed and the next electronic component can be taken out.
On the other hand, in the multi-stage tray feeder 12, a plurality of trays 12A storing electronic components are arranged so that they can be raised and lowered, and the electronic components in the trays are sequentially taken out by the suction nozzle 5 of the mounting head 6 in the same manner as the supply tape.

A component recognition camera 10 is installed between the feeder cart 3 and the multistage tray feeder 12 and the printed circuit board PR. The imaging unit of the component recognition camera 10 is disposed on the lower side of the drawing in FIG. 1 and recognizes the state of the electronic component sucked by the suction nozzle 5.
In this way, the mounting head 6 mounts electronic components on the printed circuit board PR that has been transported by the transport device 2 having the printed circuit board conveyor 7.

  The mounting head 6 needs a moving mechanism that moves at high speed on the XY plane shown in FIG. 1 in order to suck the electronic components by the feeder cart 3 or the multi-stage tray feeder 12 and mount the electronic components on the printed circuit board PR that has been transported. . For this purpose, y beams 1A and 1B extending in the y direction are formed on both sides of the main body 50M. A y mover 9 is installed in the x beams 4A and 4B. Here, a stator is installed in the y beams 1A and 1B, and the stator and the y mover 9 form a linear motor. Therefore, by this linear motor, the y movable element 9 can freely move in the y direction on the y beams 1A and 1B. Here, a stator is installed in the x beams 4A and 4B, and the stator and the x mover 11 form a linear motor. Therefore, the x mover 11 can freely move on the x beams 4A and 4B by this linear motor. A mounting head 6 is attached to the x mover 11.

  Based on these configurations, the y mover 9 and the x mover 11 move the mounting head 6 to an arbitrary position on the board based on a command from the control device 40 (see FIG. 2), and the electronic component is printed on the printed board PR. Can be attached to.

  Next, an embodiment of traceability capable of reliably tracing the use history information necessary for maintenance of the unit 20, which is a feature of the present invention, will be described.

FIG. 3 is a diagram showing a basic concept of traceability of usage history information in the present embodiment.
The main body 50M includes a unit 20 such as a mounting head or a feeder cart. The unit 20 has a nonvolatile recording medium 21 for writing usage history information, and a control circuit 22 for writing or reading the usage history information to or from the nonvolatile recording medium 21. And have.
On the other hand, the main body 50M includes an input / output interface (hereinafter referred to as an input / output IF) 51 for exchanging usage history information with the control circuit 22 of the unit 20, and part or all of the unit usage history information during the mounting operation. Has a history processing unit 30 for managing and processing In the present embodiment, the history processing unit 30 constitutes a part of the control device 40 shown in FIG. 2 that controls and monitors the main body 50M and each unit 20. Of course, instead of the control device 40, other processing devices may be provided independently. The control circuit 22 may have a function of controlling and monitoring the unit 20. Further, the input / output IF may be used for communication of information other than the usage history information and a control signal to the unit 20.

  FIG. 4 is a diagram showing a basic processing flow for ensuring traceability of usage history information. First, when it is determined that the external unit 20g (see FIG. 5 described later) is attached or connected to the main body 50M, or is a constituent unit 20k (see FIG. 5 described later) constituting the main body 50M, the main body 50M A part or all of the current use history information of the unit 20 is taken in via the IF (step 1). In the following description, when it is not necessary to distinguish between the external unit 20g and the constituent unit 20k, the unit 20 is representatively represented.

  Next, the main body 50M determines whether it can be used for the work (mounting work) for mounting the electronic component on the board PR to be performed from the future by looking at the fetched use history information due to factors such as maintenance (step 2). If it cannot be used, this is communicated to the worker via the operation / display device 52 shown in FIG. 3 (step 3), and the worker replaces the unit with another unit (step 4). If it can be used, the main body 50M or the operator determines whether processing, that is, usage history information has been taken in for all the units 20 necessary for the mounting operation (step 5). If there is still a unit 20 to be processed, the worker selects the next unit 20 to be processed from those displayed on the operation / display device (step 6), and goes to step 1. In this case, if the constituent unit 20k is included in the main body 50M, step 5 is omitted, and if the external unit 20g is to be attached or connected, the attachment or connection received by the main body 50M from the external unit 20g when attached or connected is completed. You may process automatically based on a signal.

  If all the units 20 have been processed, the electronic component mounting apparatus 50 performs the electronic component mounting process (step 7) and updates the usage history information of each unit 20 (step 8). When all the electronic components have been mounted (step 9), the usage history information is sent to each unit 20 (step 10), and each unit 20 stores the sent usage history information in the nonvolatile recording medium 21, Prepare for the next mounting operation (step 11).

  In the above description, the main body 50 performs update processing of usage history information and transmission of usage history information to each unit 20 after the installation work is completed. For example, a dedicated external device that manages the usage history information, for example, You may carry out by the usage log | history information processing system 70 mentioned later. Information that can be updated by the unit itself may be updated by the unit itself.

In the above description, the embodiment of traceability in which the use history information necessary for maintenance of the unit 20 can be reliably traced without specifying the unit 20 has been described. FIG. 5 shows the electronic component mounting apparatus 50 of the present embodiment shown in FIG. It is a figure which shows the structure containing each unit 20 at the time of mounting | wearing work. In the present embodiment, as the external unit 20g, two mounting heads that can be attached to and detached from the beam (only one is shown in the figure), a feeder cart 3, and a tape feeder 3B (see FIG. And a multi-stage tray feeder 12 having a traverse portion 12g for moving the tray back and forth and an elevator portion 12e for raising and lowering the tray.In this embodiment, the substrate is used as the component unit 20k. The multi-stage tray feeder 12 may collectively handle the traverse part 12g and the elevator part 12e as a single unit.

  Each unit 20 includes the control circuit 22 and the non-volatile recording medium 21 shown in FIG. 3, and usage history information is reliably traced for each unit 20 according to the processing flow of FIG. 4. Of course, the contents processed by the control circuit and the usage history information stored in the nonvolatile recording medium 21 are different for each unit. Hereinafter, taking the mounting head 6 as an example, the configuration of the mounting head and an example of its usage history information will be described. In the lower part of FIG. 5, one main component of the main body is shown.

  6 shows the configuration of the mounting head 6, FIG. 6A is a side view of the mounting head 6 shown on the lower side of FIG. 1, and FIG. 6B shows the mounting head 6 viewed from the substrate PR side in FIG. A front view is shown. The mounting head 6 has a head base 67 that moves on the two traveling rails 41 on the x beam 4 </ b> B by the x mover 11. A control housing 61 for storing a control circuit 22h and a non-volatile recording medium 21h containing usage history information is fixed to the upper portion of the head base 67.

  A nozzle lifting shaft 62 that lifts and lowers the suction nozzle is fixed to the front surface of the head base 67, that is, the printed circuit board PR side. As the drive motor 62m of the nozzle lifting shaft 62 rotates, the ball joint 62a rotates, and accordingly the nut 62b fixed to the guide 66 moving along the head base 67 moves up and down. A nozzle base 65 to which the suction nozzle 5 is fixed is fixed to the opposite side of the guide 66 of the nut 62b. As a result, the suction nozzle 5 can be moved up and down. FIG. 6 shows a state where the suction nozzle is lowered.

Further, the nozzle base 65 is fixed with a valve 63 for controlling the air flow of the pipe 68 for sucking the electronic components and a nozzle rotating shaft 64 for rotating the suction nozzle 5.
The suction nozzle 5 is moved in the X direction by moving the mounting head 6 along the x beam 4 </ b> B by the x mover 11.

  FIG. 7 shows an example of usage history information of the mounting head 6 having such a configuration. Basically, proper maintenance is the main purpose of having usage history information. Accordingly, the usage history information is divided into formal information and maintenance history information for performing maintenance. FIG. 7A and FIG. 7B are examples of formal information. As shown in FIG. 7A, an ID number is recorded as ID information (history 1) of the mounting head 5. As shown in FIG. 7B, the device No. of the main body 50M and its mounting period are recorded as mounting history information (history 2) of the electronic component mounting device on which the mounting head 5 is mounted. 7C and 7D show maintenance history information. As shown in FIG. 7 (c), as the nozzle drive shaft integrated data history (history 3), the cumulative drive frequency of the nozzle drive shaft and the drive shaft for rotation and the cumulative drive frequency at the time of maintenance are recorded. . As shown in FIG. 7 (d), as the valve suction integrated data history (history 4), there are a plurality of valves including nozzle suction integrated count, malfunction count, suction success rate, and cumulative drive count at the time of maintenance. It is recorded every time.

  In the present embodiment, as shown in the processing flow of FIG. 4, the main body 50M captures usage history information of the mounted head, and mainly looks at the cumulative number of times of driving of each nozzle drive shaft and the number of times of cumulative suction of each valve. Then, it is determined whether it can be used or not suitable for the current mounting work, and a message indicating that maintenance should be performed is output to the operation / display device 52. As other determination information, for example, the determination may be made by looking at the number of defects.

  In the embodiment of the mounting head described above, it has been described that only the usage history information is stored in the non-volatile recording medium 21, but for example, specific information such as the size and processing speed of the mounting head is stored together. Also good.

As described above, according to the present embodiment, usage history information necessary for maintenance of the unit 20 can be reliably traced, and maintenance can be performed as appropriate.
In addition, according to the present embodiment described above, by using the appropriately maintained unit as described above, it is possible to reduce defects in the electronic component mounting apparatus and to provide a highly reliable electronic component mounting apparatus or electronic component mounting method. Can provide.

  Furthermore, according to the present embodiment described above, the electronic component mounting apparatus that attaches the electronic component to the board based on the usage history information given to the unit of the electronic component mounting apparatus or based on the usage history information from the unit of the electronic component mounting apparatus. Alternatively, an electronic component mounting method can be provided.

  FIG. 8 is a diagram showing a second embodiment of the present invention. FIG. 8 shows a dedicated usage history information processing system 70 for reading or writing usage history information of the external unit 20. The difference between the usage history information processing system 70 and the system of FIG. 3 is that the usage history information processing system 70 does not have a function of controlling the unit 20 or the main body 50M. The usage history information processing system 70 receives and receives usage history information of the unit 20 obtained by the mounting work transferred from the main body 50M, and transmits / receives usage history information to / from units connected to the system. Input / output interface 71 and a history processing unit 30A for processing the obtained usage history information.

The usage history information processing system 70 has the following advantages. First, before the external unit 20 is attached or connected to the main body 50M, it can be connected to the usage history information processing system 70, and the usage history information can be checked by the unit 20 alone, and maintenance can be performed in advance. It is. In this case, the setup time can be shortened and the operating rate of the electronic component mounting apparatus can be increased.
Second, if the external unit 20 fails to receive the usage history information from the main body 50M, the information can be restored if the usage history information is transferred to the usage history information processing system 70.

  As described above, according to the usage history information processing system according to the second embodiment, usage history information necessary for maintenance of the external unit 20 can be traced reliably, and maintenance can be performed as appropriate.

1A, 1B: y beam 2: transport device 3: feeder cart 3B: tape feeder 4A, 4B: x beam 5: suction nozzle 6: mounting head 8: substrate recognition camera 10: component recognition camera 12: multi-stage tray feeder 12g: multi-stage tray feeder Traverse section 12e: Elevator section of multi-stage tray feeder 20: Unit 21: Non-volatile recording medium provided in each unit 22: Control circuit provided in each unit 30, 30A: History processing section 40: Electronic component mounting apparatus Control device 50: Electronic component mounting device 50M: Main body of electronic component mounting device 51: Input / output interface of electronic component mounting device 52: Operation / display device 62: Nozzle lifting shaft 64: Nozzle rotating shaft 70: Usage history information processing system 71 : I / O interface of usage history information processing system

Claims (11)

A main body having a constituent unit including a transfer device for transferring a substrate and a moving mechanism for moving a mounting head to the substrate, an external unit mounted on or connected to the main body, and the main body and the external unit are controlled. In the electronic component mounting apparatus for carrying out the mounting operation of taking out the electronic component and mounting it on the substrate, having a control device,
At least one unit of the plurality of units including the constituent unit and the external unit has a nonvolatile recording medium having usage history information including usage history and maintenance history of the unit, and the control device includes An electronic component mounting apparatus comprising: means for transmitting / receiving the usage history information to / from a unit; and updating means for updating part or all of the usage history information in association with the mounting operation.   2. The electronic component mounting apparatus according to claim 1, wherein the external unit includes at least one unit among a mounting head, a feeder cart, a tape feeder, a traverse section of a multi-stage tray feeder, and an elevator section of the multi-stage tray feeder.   The electronic component mounting apparatus according to claim 1, wherein the control device includes means for determining whether the unit can be used for the mounting work based on the use history information.   2. The electronic component mounting apparatus according to claim 1, wherein the control device has means for informing and maintaining the unusable or unsuitable unit. A main body having a constituent unit including a transfer device for transferring a substrate and a moving mechanism for moving a mounting head to the substrate, an external unit mounted on or connected to the main body, and the main body and the external unit are controlled. In an electronic component mounting method for carrying out a mounting operation of taking out an electronic component and mounting it on the substrate, including a control device,
Use history information including usage history and maintenance history incorporated in a nonvolatile recording medium included in at least one of the plurality of units including the component unit and the external unit is captured, and the usage is performed along with the model mounting work. An electronic component mounting method comprising: updating part or all of history information, and sending the updated usage history information to the unit after completion of the mounting operation.   6. The electronic component mounting method according to claim 5, wherein it is determined whether the unit is usable or applicable for the mounting operation based on the use history information.   The electronic component mounting method according to claim 6, wherein the unit that is unusable or unsuitable is notified and maintenance is promoted. In the unit of the electronic component mounting apparatus that is mounted on or connected to the electronic component mounting apparatus that takes out the electronic component and mounts it on the substrate,
The usage history information is transmitted / received between the nonvolatile recording medium containing the usage history information including the usage history and the maintenance history and the electronic component mounting apparatus, and the usage history information is written to or read from the nonvolatile recording medium. And a control circuit for performing the electronic component mounting apparatus unit.   9. The electronic component mounting apparatus unit according to claim 8, wherein the unit is any one of a mounting head, a feeder cart, a tape feeder, a traverse section of a multi-stage tray feeder, and an elevator section of the multi-stage tray feeder.   Usage history information including usage history and maintenance history of the unit between the electronic component mounting device and the electronic component mounting device mounted on or connected to the electronic component mounting device that takes out the electronic component and mounts on the board A usage history information processing system comprising: an input / output interface that transmits and receives; and a history processing unit that transmits and processes the usage history information to the unit via the input / output interface.   11. The usage history information processing system according to claim 10, wherein the processing includes a determination as to whether the unit should be maintained based on the usage history information.

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