JP4598602B2 - Mounting line and mounting machine - Google Patents

Description

The present invention relates to a mounting line and a mounting machine in which a mounting machine for mounting components on a board and an inspection machine for inspecting the mounting board are arranged along a manufacturing line.

  As shown in Patent Documents 1 and 2, a mounting line in which a large number of components are mounted on one board by a plurality of mounting machines (mounters) arranged side by side along a manufacturing line is widely spread.

In such a mounting line, an inspection machine is arranged downstream of the mounting machine, and the mounting state of the mounting board is inspected by the inspection machine.
Japanese Patent Laid-Open No. 6-110983 (FIG. 6) Japanese Patent Laying-Open No. 2005-19563 (FIG. 1)

  In the above mounting line, if a mounting failure such as component misalignment or missing parts is found by the inspection machine, it is necessary to discard or correct the mounting failure board. Production efficiency will be reduced. Therefore, conventionally, it is desired to suppress the number of defective mounting substrates as small as possible.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a mounting line and a mounting machine capable of reducing the number of mounting defective substrates.

  The present invention provides the following means.

[1] A mounting line in which a plurality of mounting machines for mounting components on a board and an inspection machine for inspecting the mounting state of the mounting board are arranged along a manufacturing line,
When a mounting defective component is found by the inspection machine, a mounting machine specifying means for specifying a defective mounting machine that has processed the mounting defective component from the plurality of mounting machines;
Mounting machine stopping means for stopping the defective mounting machine specified by the mounting machine specifying means ;
A board type discriminating means for discriminating whether or not the same type of board is processed by the faulty mounting machine with respect to the inspected board when a mounting defective part is found by the inspection machine;
A mounting machine production continuation means for continuing the mounting process without stopping the defective mounting machine by the mounting machine stopping means when the board type determining means determines that the same type of board has not been processed; Mounting line characterized by.

[2] When a defective mounting part is found by the inspection machine, it is determined that the same type of board is not processed by the board type determination unit, and the defective mounting machine is not stopped by the mounting machine production continuation unit. When continuing the implementation process,
In addition to the display device mounted on the inspection machine, the fact that there is a mounting failure on the display screens of a plurality of display devices provided in the mounting line, and information on the contents of the mounting failure are displayed in the preceding paragraph 1 The described mounting line.

[3] When a defective mounting component is found by the inspection machine, it is determined that the same type of board is not processed by the board type determination unit, and the mounting machine production continuation unit does not stop the defective mounting machine. When continuing the implementation process,
The mounting according to the preceding item 1 or 2, wherein the information on the mounting failure is displayed on the display screen of the display device mounted on the defective mounting machine causing the mounting failure while the background screen blinks in red. line.

[4] A mounting machine that is arranged in a plurality along a production line, mounts components on a substrate, and constitutes a mounting line together with an inspection machine,
The mounting line includes a mounting machine specifying means, a mounting machine stopping means, a board type determining means, and a mounting machine production continuation means,
When a mounting defective part is found by the inspection machine, it is determined whether or not it is a defective mounting machine that has processed the mounting defective part by the mounting machine specifying means,
When it is determined as a defective mounting machine by the mounting machine specifying means, it is determined by the board type determination means whether the board inspected by the inspection machine and the same type of board are continuously produced,
When it is determined that the same type of board is continuously produced by the board type discriminating means, the operation is controlled to be stopped by the mounting machine stopping means, and different types are used depending on the board type discriminating means. When it is judged that the board is produced, the mounting machine is controlled so that the production is continued without being stopped by the mounting machine production continuation means.

According to the mounting line according to the invention [1], when a defective mounting component is found by the inspection machine, the mounting machine that has processed the defective component is stopped, so that production of defective substrates can be stopped quickly. As a result, the number of defective substrates generated can be reduced. Furthermore, if the cause of a mounting failure disappears due to a change in the type of production board, etc., and the handling of defective mounting parts ends, production can continue without stopping the mounting machine carelessly. it can.

According to the mounting line according to the above inventions [2] and [3] , it is possible to inform the operator that there is a mounting failure and information on the content of the mounting failure.

According to the mounting machine according to the invention [4], the same effect as described above can be obtained.

  FIG. 1 is a front view showing a mounting line according to an embodiment of the present invention. As shown in the figure, this mounting line includes, from the upstream side to the downstream side of the production line, a substrate carry-in machine 91, a printing machine 92, a plurality of (three) mounting machines 10 ..., an inspection machine 93, a reflow furnace 94, and Substrate unloaders 95 are arranged side by side.

  The substrate carry-in machine 91 accommodates a large number of substrates and sequentially carries the substrates into the printing machine 92. The printing machine 92 applies cream solder to a predetermined area of the board that has been loaded by printing. The mounting machines 10 ... are for mounting (mounting) electronic components at predetermined positions on a substrate. The inspection machine 93 inspects the mounting state of the electronic components mounted on the board, and inspects mounting defects such as mounting displacement of components and missing parts. The reflow furnace 94 reflows the cream solder and solders the substrate and the component. Further, the substrate unloader 95 sequentially accommodates the substrates unloaded from the reflow furnace 94.

  Each facility constituting the mounting line includes a control device 99 configured by a personal computer or the like, and the control of each facility on the mounting line is controlled by each control device 99. Further, each control device 99 is connected via a communication means, and while transmitting and receiving signals between the control devices, each facility is driven to perform a predetermined operation controlled in the entire mounting line. It is configured as follows.

  Each of these facilities is provided with a display device 98... Such as a monitor for displaying the operation status.

  In the present embodiment, the control device 99 of the inspection machine 93 is configured to control the driving of the inspection machine 93 based on the inspection data set in the storage device. The inspection data includes data relating a component mounted on the board and a mounting machine for mounting the component, and the control device 99 of the inspection machine 93 is based on the related data. The component mounted on the board is configured to be able to specify which of the plurality of mounting machines 10... Is to be processed by which mounting machine. Here, in this embodiment, the mounting data specifying means is configured by the related data and the control device 99.

  In the mounting line having the above configuration, after the solder paste is printed by the printing machine 92 on the board carried from the board carry-in machine 91, the electronic components are sequentially mounted by the respective mounting machines 10. The board on which the electronic components are mounted is inspected for mounting by the inspection machine 93, soldered through the reflow furnace 94, and carried to the board unloader 95.

  During the operation of this mounting line, the inspection machine 6 has a bad mounting state of the board (for example, mounting component misalignment, misalignment of components exceeding the allowable range of mounting position, lead floating in leaded components, When a bend, a missing item, or the like is found (step S1 in FIG. 2), the inspection machine 6 identifies a mounting machine that has processed a defective mounting part. That is, as described above, when data indicating the relationship between the mounted component on the board and the mounter that mounts the component is stored as the inspection data of the inspection machine 93 (step S2: YES), the related data Referring to FIG. 5, it is specified which mounting machine is the mounting machine that has processed the defective mounting component (step S3).

  On the other hand, when the inspection data of the inspection machine 93 does not include the data related to the component and the mounting machine (step S2: NO), the inspection machine 93 makes an inquiry to each mounting machine 10 through communication to check the mounting failure. The mounter that has processed the component is identified (step S4). That is, the storage device provided in the control devices 99 of the mounting machines 10 includes data relating to the types of components to be mounted and mounting positions as production program data (production data). Accordingly, each mounting machine 10 can determine whether or not the defective mounting component has been processed by referring to its own production data in response to the inquiry regarding the defective mounting component data from the inspection machine 93, and the determination result. Is transmitted to the inspection machine 93, so that the inspection machine 93 can specify the mounting machine (defective mounting machine) that has processed the defective mounting parts. When a defective mounting machine is specified in this way, a mounting machine specifying means is constituted by the control devices 99 and the communication means.

  Here, in this embodiment, when the inspection machine side includes data related to components and the mounting machine (step S3), and when the mounting machine side holds related data of components and the mounting machine (step S4). However, if all data relating components and mounters are included in the inspection machine, an inquiry to the mounter is performed (step S4). Without any problem, the defective mounting machine can be accurately identified, and the process of the inquiry to the mounting machine (step S4) can be omitted. On the contrary, even if the inspection machine side does not include any data associating the component and the mounting machine, it is possible to accurately identify the defective mounting machine by making an inquiry to the mounting machine as described above (step S4). It is possible to accurately identify the defective mounting machine without referring to the related data on the inspection machine side (step S3), and to omit the processing of the related data reference on the inspection machine side (step S3). it can. When omitting the mounting machine inquiry process (step S4) and the reference of related data on the inspection machine side (step S3) as described above, it is natural to determine whether the inspection machine side includes related data ( The process of step S2) can also be omitted.

  Further, when a defective mounting machine is specified using the production data on the mounting machine side, each time the production data of each mounting machine 10 is updated, the data included in the data and the related data of the mounting machine To the inspection machine 93 side, and the related data can be stored in the storage device of the inspection machine 6. In this case, when a mounting failure is found, the inspection machine 93 can specify the mounting device that has processed the mounting defective component with reference to the related data.

  In this embodiment, the control device 99 of the inspection machine 93 manages the related data of the components and the mounting machine. However, the present invention is not limited to this, and in the present invention, for example, the control devices 99. The main control device is provided, and the main control device manages the related data of the components and the mounting machine, and controls communication between the mounting machines 10 and the inspection machine 93 under the control of the main control device. You may do it.

  When a defective mounting machine is specified (steps S3 and S4), an operation stop command is issued to the mounting machine (step S5), and the type (part name) of the mounting defective part is displayed on the display device 98 of the inspection machine 93. Information such as the name (part name on the board), position, and which mounting machine has a mounting failure is displayed (step S6). In the present embodiment, the mounting device stopping means and the downstream mounting device stopping means are configured by the control device 99 of the inspection machine 93 that issues the operation stop command, and the control device 99 and the display device 98 notify the stop notification. Means are configured.

  On the other hand, it is determined whether the defective mounting machine 10 that has received the operation stop command from the inspection machine 93 continuously produces the same type of board as the board inspected by the inspection machine 93 (step S21).

  Here, the case where the same type of substrate is produced is a case where the same type of substrate Pa is successively supplied to the mounting line as shown in FIG. 3A, for example. In this case, if a mounting failure occurs in the component a2 mounted by the second mounting machine 10, the inspection device 93 finds that there is a mounting failure in the component a2 of the board Pa. At the time of finding the defect, the same type of board Pa is processed by the second mounting machine 10 with respect to the board Pa to be inspected by the inspection machine 93. Therefore, it is determined that the defective mounting machine 10 continuously produces the same type of board Pa as the board Pa inspected by the inspection machine 93 (step S21: YES), and the second mounting machine 10 Stopped (step S22), the display device 98 of the mounting machine 10 displays information such as the fact that the mounting machine is stopped due to mounting failure, the type (part name) of the defective mounting component, the silk name, and the position. .

  On the other hand, in the case where different types of substrates are produced in step S21, the type of substrate to be manufactured is changed halfway, and the mounting machine 10 and the inspection machine 93 are processing different types of substrates. This is the case. For example, as shown in FIG. 3B, immediately after the type is changed from the board Pa to the board Pb, the board Pb is processed by the first and second mounting machines 10 and 10 to mount the third board. The board Pa may be processed by the machine 10, and in this case, if a mounting failure is found in the part a2 of the board Pa inspected by the inspection machine 93, the part a2 has been mounted at the time of the inspection. The second mounting machine (defective mounting machine 10) produces a different type of board Pb for the board Pa inspected by the inspecting machine 93. Therefore, in this case, it is determined that the defective mounting machine (second mounting machine) produces a different board Pb with respect to the board Pa inspected by the inspection machine 93 (step S21: NO), and the defective mounting is performed. The operation of the machine 10 is continued without stopping (step S24). Even in the case where production is continued in this way, in addition to the display device 98 mounted on the inspection machine 93, a plurality of display devices 98 have previously had mounting defects and information on the contents of the mounting defects. Etc. may be displayed.

  In particular, it is preferable to display and notify the content information of the mounting failure while blinking the background screen in red on the display screen of the display device 98 mounted on the defective mounting machine 10 that has caused the mounting failure.

  Furthermore, the rotary warning light is turned on. While mounting the buzzer, the mounting defect content information may be displayed on the display screen of the display device 98.

  Here, in the present embodiment, the mounter and inspection machine control devices 99... Constitute a board type discriminating means, and the mounter and inspection machine control devices 99. Yes.

  Furthermore, there are many methods for judging whether the production board and the inspection board are the same type based on an identifier provided for each board or a signboard instruction (an instruction for designating a production board such as an external trigger). Used. In addition to this, for example, the mounting machine side holds past production board information, and in response to a request from the inspection machine side, the past production board information (board information currently being inspected) and the current production board A method of acquiring information and comparing the two information, and a method of acquiring substrate information during production and inspection from the number of produced sheets (number of processed sheets) can also be employed.

  In the present embodiment, the determination as to whether the production board and the inspection board are the same type (step S21) is performed under the control of the control device 99 of the inspection machine 93, but is not limited thereto, and the mounting machine 10 is not limited thereto. It is also possible that a control device is provided above the control device 99 and the control device 99 of the inspection machine 93, and the above control device performs the above determination.

  On the other hand, after displaying an error on the inspection machine side in step S6, it is determined whether it is necessary to stop the mounting machine on the downstream side of the defective mounting machine (step S7). This determination is made based on the type (degree) of mounting failure. For example, in the case of a shortage or a large mounting position shift, it is necessary to discard or regenerate the board, so that even if the subsequent mounting process is performed on the discarded board, it is useless. In this way, when the degree of failure is large and it is necessary to discard the substrate, it is determined that it is necessary to stop the mounting machine downstream of the defective mounting machine (step S7: YES). When the stop determination is made, a stop command is issued to the downstream side mounting machine (step S8), the downstream side mounting machine is stopped (step S9), and which mounting machine has a defect, this mounting Information such as the fact that the machine is stopped due to mounting failure, the type (component name), silk name, position, etc. of the mounting failure component is displayed (step S10).

  In step S7, the case where there is no need to stop the downstream side mounting machine is a case where the degree of failure is small, for example, there is a slight misalignment of the mounting position. In this case, since it can be used as a product with some modifications, it is not wasted even if the subsequent mounting process is performed. When the degree of failure is small in this way, it is determined that it is not necessary to stop the downstream side mounting machine (step S7: NO), and production is continued in the downstream side mounting machine as it is (step S11). Even if the production is continued in this way, it is possible to display information about the mounting failure and the information about the mounting failure even though the upstream mounting device is defective. Also good.

  When the mounting machine is stopped in steps S10 and S22, correction is performed by the operator, the reason for the stop is solved, a production start command is given from the operator to the mounting machine, and the production is again performed by the mounting machine. Is started (step S12).

  As described above, in the present embodiment, when a defective mounting component is found by the inspection machine 93, the mounting machine that has processed the defective component is stopped, so that production of defective substrates is immediately stopped. As a result, the number of defective substrates can be reduced and the production efficiency can be improved.

  Furthermore, in this embodiment, the mounting machine disposed downstream from the mounting machine that caused the mounting failure is stopped as necessary, so that useless operations such as mounting components on the defective board The production efficiency can be further improved when producing a non-defective substrate.

  In this embodiment, when a mounting failure is found by the inspection machine, if a different type of substrate is processed for the mounting defective substrate, the mounting machine is not stopped and the production is stopped. If the cause of the mounting failure disappears due to a change in the type of production board, etc., and the cause of the mounting failure disappears, mounting by continuing the production with the mounting machine The machine is not inadvertently stopped, and the production efficiency can be further improved.

  In the present embodiment, when the mounting machine is stopped, the display device of the mounting machine displays information indicating that it is stopped, information on the reason for stopping, etc. It is possible to quickly identify the mounting machine whose operation is stopped and the reason for the stop, perform post-processing efficiently and smoothly, and further improve production efficiency.

  Furthermore, in the present embodiment, since various types of information related to stopping of the mounting machine are displayed on the display device of the mounting machine, the information can be accurately notified to the operator. That is, since the operator is often arranged around the mounting machine during operation of the mounting line, the information can be accurately transmitted to the operator by displaying the above information on the display device of the mounting machine.

  Furthermore, the mounting machine constituting this mounting line displays various information such as defect information on the mounting state of the board related to the stoppage of the mounting machine detected by the inspection machine on the mounted display device, and displays it to the operator. Can convey information accurately.

  In the above embodiment, the case where the inspection machine 93 is arranged on the upstream side of the reflow furnace 94 has been described as an example. However, the present invention is not limited thereto, and the present invention is arranged such that the inspection machine is arranged on the downstream side of the reflow furnace. May be.

  Further, in the mounting line of the present invention, the number of mounting machines is not limited to three, and two or four or more mounting machines may be installed.

It is a front view which shows the mounting line concerning one Embodiment of this invention. It is a flowchart which shows operation | movement of the test | inspection process in the said mounting line. FIG. 6A is a block diagram showing a state where the same type of substrate is processed by the mounting machine and the inspection machine in the mounting line, and FIG. 5B shows a case where different types of boards are processed by the mounting machine and the inspection machine. It is a block diagram which shows the state which exists.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Mounting machine 93 Inspection apparatus 98 Display apparatus (stop notification means)
99 Control device (mounting machine specifying means, mounting machine stopping means, downstream mounting machine stopping means, board type discrimination means, mounting machine production continuation means)
a1 to a3, b1, b2 parts Pa, Pb substrate

Claims (4)

A mounting line in which a plurality of mounting machines for mounting components on a board and an inspection machine for inspecting the mounting state of the mounting board are arranged along the production line,
When a mounting defective component is found by the inspection machine, a mounting machine specifying means for specifying a defective mounting machine that has processed the mounting defective component from the plurality of mounting machines;
Mounting machine stopping means for stopping the defective mounting machine specified by the mounting machine specifying means ;
A board type discriminating means for discriminating whether or not the same type of board is processed by the faulty mounting machine with respect to the inspected board when a mounting defective part is found by the inspection machine;
A mounting machine production continuation means for continuing the mounting process without stopping the defective mounting machine by the mounting machine stopping means when the board type determining means determines that the same type of board has not been processed; Mounting line characterized by. When a defective mounting component is found by the inspection machine, it is determined that the same type of board is not processed by the board type determining means, and the mounting process is performed without stopping the defective mounting machine by the mounting machine production continuation means. In the case of continuing,
The display device of the plurality of display devices provided in the mounting line, in addition to the display device mounted on the inspection machine, displays that there is a mounting failure and information on the content of the mounting failure. The mounting line described in When a defective mounting component is found by the inspection machine, it is determined that the same type of board is not processed by the board type determining means, and mounting processing is performed without stopping the defective mounting machine by the mounting machine production continuation means. In the case of continuing,
The information of the mounting defect content is displayed on the display screen of the display device mounted on the defective mounting machine that has caused the mounting defect while the background screen blinks in red . Mounting line. A mounting machine that is arranged along a production line and mounts components on a board, and constitutes a mounting line together with an inspection machine,
The mounting line includes a mounting machine specifying means, a mounting machine stopping means, a board type determining means, and a mounting machine production continuation means,
When a mounting defective part is found by the inspection machine, it is determined whether or not it is a defective mounting machine that has processed the mounting defective part by the mounting machine specifying means,
When it is determined as a defective mounting machine by the mounting machine specifying means, it is determined by the board type determination means whether the board inspected by the inspection machine and the same type of board are continuously produced,
When it is determined that the same type of board is continuously produced by the board type discriminating means, the operation is controlled to be stopped by the mounting machine stopping means, and different types are used depending on the board type discriminating means. When it is judged that the board is produced, the mounting machine is controlled so that the production is continued without being stopped by the mounting machine production continuation means.

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