JPH0831708B2 - Mounting method by automatic component mounting machine group - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting system using an automatic component mounting machine, and more particularly to a completely parallel type for producing a printed board mounted by using a plurality of component automatic mounting machines, that is, a group of component automatic mounting machines. The present invention relates to a mounting method in which an automatic component mounting machine is arranged.

[0002]

2. Description of the Related Art As a conventional production method of printed boards mounted by an automatic component mounting machine, a production method by a direct layout is known as shown in FIGS. 4 and 5, and each component automatic mounting machine takes charge. According to the target component, it was a method of producing a product by deciding which component automatic mounting machine should carry out mounting of each printed board.

FIG. 4 is a block diagram showing a production system of a conventional automatic component mounting machine. As shown in FIG. 5, the automatic component mounter 1m, the unloader unit 1n ′ ″ of FIG.
It is a principal sectional view which expands and shows the connection state of the loader part 1n '', the component automatic mounting machine 1n, and also the conveyance conveyor 9n from the side.

Magazines 6m and 6n each containing a plurality of printed boards 7a ... 7n are shown in FIGS. The magazine 6a is only shown in FIG. Now magazine 6m, 6
Each n is in the unloader unit 1n ′ ″ and the loader unit 1n ″. The automatic component mounter of FIG. 4 is 1a ...
1m and 1n, and part of 1m and 1n are also shown in FIG. And the loader unit 1 shown in FIG.
a ″ ... 1n ″ indicates the place where the magazine can be carried in by the arrow and IN, and the unloader unit 1a ′ ″ ... 1
The arrows and OUTs pointing out from m '''and1n''' indicate the locations where the magazine can be taken out. Further, transport conveyors for transporting the printed board are indicated by 9a ... 9m and 9n, and FIG. 4 is originally one serial line, but it is difficult to illustrate, so, for example, → (A) to (A) → serially connected. I am doing it. 8m and 8n shown in FIG. 5 are the unloader unit 1a '''...1n''' and the loader unit 1a '' ... 1
It is a lifter for moving the magazine up and down by one pitch at n ″ to reach the height of the conveyance path for inserting and removing a predetermined printed board. 9n are conveying conveyors for conveying the printed boards 7a ... 7n one by one.

In the case of the conventional method shown in FIGS. 4 and 5, the magazine 6a is provided in any one of the loader sections 1a "... 1n" of the mounting machine line shown in FIG. 4 depending on the type of product made of the printed board. … Bring in one of the 6n (where indicated by arrow IN)
1n passes through some of the predetermined component automatic mounting machines 1a ... 1n while being mounted, and enters a magazine different from the one at the time of loading at a predetermined unloader and from there. Will be taken out.

At this time, it is necessary to manually determine whether the magazine is to be taken out by the unloader unit or to be continuously moved to the next loader unit depending on the product whether or not the next component mounting machine is passed. And the execution will be performed manually.

[0007]

In the conventional production method of the automatic component mounting machine, when the loading and unloading for each printed board differs depending on the target component, loading and unloading (indicated by IN and OUT in FIG. 3). The positions of () were various, and it was difficult to manage a large number of printed boards, and all were manual work. For this reason, a dedicated person who constantly inserts and removes the magazine is required, and there is a problem in that it cannot be unmanned.

Since the automatic component mounting machine is arranged in series,
If there are many components to be mounted by one component automatic mounting machine, all the component automatic mounting machines to be used thereafter will be in an empty state. In addition, before that, there was a problem that the mounting speed of the automatic component mounting machine used was slowed down so that the printed board had to be line-balanced so as to flow uniformly. The conventional production method was optimal when there were few types of printed boards and few types of parts, that is, for the production of a large number of small-sized printed boards, but a large number of small-sized printed boards was unmanned. As mentioned above, there were various problems in production. Therefore, the present invention addresses the various problems of the above-mentioned conventional techniques.
In view of this, there are multiple types of printed boards of various types.
These are printed circuit boards in units of multiple sheets, and special components for multiple types.
Required for various printed boards by selectively supplying it to the automatic mounting machine.
In the mounting method for mounting the necessary parts, the conventional series type
Magazine insertion and removal for the automatic component mounting machine group
Problems that require manual work for placement management and automatic component mounting
To solve problems such as imbalance of machine lines
The porpose is to do.

[0009]

[Means for Solving the Problems] As means for solving the above problems, there are a plurality of various types of printed boards.
The various printed circuit boards in units of
Each magazine and store each magazine with only one type of component.
To selectively supply to multiple component automatic mounting machines
Mount the necessary parts on the printed board for each magazine.
It is a mounting method by a group of automatic component mounting machines,
Place multiple buffers for temporary storage of magazines,
Place all of the multiple component automatic mounting machines in parallel,
Between each component automatic mounter, each buffer, and each
A transport path connecting the automatic component mounter and each of the above buffers was established.
Transport one magazine on the transport path as instructed
It is characterized by placing multiple automated guided vehicles. And
Carry and carry instructions, production input instructions, and output instructions
A monitoring control unit is provided, and each unattended person can receive instructions from this monitoring control unit.
Drive the carrier and point to the designated magazine in the buffer.
In order to sequentially convey to all of the indicated component automatic mounting machines
Necessary parts for the printed board in the magazine
Implement .

Further, in order to make the operation of the monitoring control section easy and effective, the plurality of magazines are IC cards having respective magazine numbers, printed board names, number of printed boards, and production sequence data. A reader / writer for reading / writing IC card data is provided in each buffer and each loader / unloader unit attached to each component automatic mounting machine, and between the automated guided vehicle and each buffer or each component automatic mounting machine.
Exchange of each of the above data when handing over magazines at
And configured to be able to command unmanned transportation.

[0011]

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a method for producing a printed board mounted by an automatic component mounting machine according to an embodiment of the present invention. FIG. 2 shows the automatic component mounting machine 1n shown in FIG.
FIG. 7 is a main cross-sectional view showing a state where n has arrived and a magazine 6n has been loaded into a loader / unloader 1n ′ attached to the automatic component mounter 1n. FIG. 3 is a diagram showing the relationship between the IC card 10a and the reader / writer 11a and a state in which the automatic guided vehicle 4a loads the magazine 6a into the buffer 2a of FIG.

Returning to FIG. 1, reference numerals 1a ... 1n are component mounters, and 2a ... 2n are respective buffers constituting each part of the buffer station 2. In this way, all of the plurality of component automatic mounting machines are arranged in parallel, and the magazine 6
a ... A plurality of buffers for temporarily storing 6n are arranged.
3 each of the component automatic mounter 1a ··· 1n and the buffer 2a
Between each · · 2n, between components automatic mounting machine, and Kakuba
Transport paths 5 connecting the buffers to form the orbits of the automated guided vehicles 4a ... 4n are monitoring control units for monitoring and controlling the whole.

The magazines 6a ... 6n have printed boards 7a ... 7n of different types for each magazine. The printed boards 7a ... 7n contained in one magazine are all of the same type, that is, one type.

[0014] Also, the loader and unloader section 1a '··· 1n' accompanying the component automatic mounting apparatus 1a · · · 1n printed board 7a-a <br/> ones similar magazines 6a · · · 6n the conventional method ・ ・ 7
It has lifters 8a ... 8n that can be raised and lowered at a storage pitch of n .

The unmanned guided vehicle 4a is a magazine in the buffer 2a.
In the case of inserting 6a, in FIG. 3, the IC card 10a attached to the magazine 6a reads and writes the memory of the IC card 10a by the reader / writer 11a attached to the buffer 2a.

Next, the production sequence and production method will be described.

In FIG. 1, the magazines 6a ... 6n are manually loaded into the buffers 2a ... 2n of the buffer station 2 with the printed boards 7a ... 7n and other types of printed boards different from each other. 1 IN) . The start signal of the monitoring control unit 5 is sent to the automatic guided vehicles 4a ... 4n and the buffers 2a ...
n it was removed, the order of the production sequence of the IC card 10a · · · 10 parts automatic mounting apparatus 1a · · · 1n stored in n which is attached to each magazine 6a · · · 6n, magazines 6a ·
.. 6n is transported to the designated loader / unloader unit 1a '... 1n' along the transport path 3. If the magazine 6a ··· 6n is in the earlier designation of the loader and unloader section 1a '··· 1n' (If you enter overlapping the same component automatic mounting machine)
The unmanned guided vehicle is selected from the component automatic mounters recorded in the designated IC card according to an instruction from the monitoring control unit 5, and enters the loader / unloader unit of another component automatic mounter. All parts automatic mounting machine, in the case of full to wait in any of the buffer, so that the wait for any of the component mounting machine become free. The magazines 6a ... 6n do not pass through all the component automatic mounters 1a ... 1n. It is each I attached to each magazine 6a ... 6n
It is only the number of component automatic mounters stored in the C cards 10a ... 10n.

In FIG. 2, when the magazine 6n enters the loader / unloader section 1n ', the printed board 7a passes through the conveyance path 1n-1 of the automatic component mounter 1n and enters the center 7n' to be positioned. 7n 'in FIG. 2 shows a state in which the printed board is positioned at the mounting position of the component automatic mounter. When the components are mounted and completed (not shown), the original magazine 6n is returned to its original position. Then, the fact that the part is mounted is written in the IC card of the magazine.
Similarly, when the mounting of a plurality of printed boards of the same type is completed and all are accommodated in the first position of the magazine 6n,
The automatic guided vehicle 4n conveys it to the next position of the component automatic mounter. In this production method, the printed board and magazine are always 1:
1 does not change the magazine as described in the prior art.

As described above, it is stored in the IC card,
The magazine number, printed board name, number of printed boards, and production sequence are read by the read / writer of each loader / unloader section, the mounting data of the automatic component mounting machine is read from another server, the mounting is started, and the transport path 1n The width of -1 is changed (not shown). When the mounting is completed, the read / writer sends the work completion of this process to the IC card. In addition, the buffer read / writer receives an empty signal from the automatic component mounter, searches for a magazine containing a printed board that can be mounted by this automatic component mounter, and uses the full signal from the automatic component mounter to buffer the magazine. Will be accommodated. As described above, all data exchanges are controlled by the supervisory control unit, and the work can be carried out unmanned without any delay.

[0020]

As described above, according to the present invention, a plurality of balls are used.
Dedicated parts that are arranged in parallel with each of the buffers
Transporting multiple mounters to and from each mounting machine
It is possible to connect and disconnect the magazine by constantly monitoring the component automatic mounting machine that is producing or the component automatic mounting machine that is not producing, each unmanned transport vehicle, and each buffer by connecting by a feeding path . In addition, each magazine has an IC card
By having a writer on each of the component automatic mounter side and the buffer side and having a supervisory control unit for centralized supervisory control, the entire production can be unmanned. In addition, it is possible to increase the operating rate of each component automatic mounting machine, and it is possible to achieve production with a good line balance.

Furthermore, since transfer is performed from an arbitrary component automatic mounter to an arbitrary buffer or from an arbitrary buffer to another arbitrary component automatic mounter, and because they are arranged in parallel, mutual distances are close and movement is facilitated. , It is possible to freely set the order of passing through the component automatic mounter. And, it is possible to always produce each component automatic mounting machine without stopping.

[Brief description of drawings]

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

FIG. 2 is a main cross-sectional view of one component automatic mounting machine in FIG.

FIG. 3 is a diagram showing a state in which an automated guided vehicle has arrived at one of the buffers in FIG.

FIG. 4 is a block diagram showing a conventional technique.

FIG. 5 is a partial main cross-sectional view of a device showing a conventional technique.

[Explanation of symbols]

 1a ... 1n Automatic component mounting machine 2 Buffer station 2a ... 2n Buffer 3 Transport path 4a ... 4n Unmanned transport vehicle 5 Monitoring control section 6a ... 6n Magazine 7a ... 7n Printed board 8a ... 8n Lifter 9a ... 9n Transport conveyor 10a ... 10n IC card 11a ... 11n Reader / writer 1a '... 1n' Loader / unloader section 1a '' ... 1n '' Loader section 1a '' '... 1n' '' Unloader section 7n 'Printed board at the mounting position of automatic component mounter

Claims (3)

[Claims] 1. A plurality of various types of printed boards are available.
Therefore, each of these various printed boards can be
Each magazine is stored in a gin, and each magazine contains only one type of parts.
Before selectively supplying to multiple component automatic mounters to be mounted
Mount the necessary parts on the printed board of each magazine.
It is a mounting method using a group of automatic component mounting machines, and has a plurality of buffers for temporarily storing each magazine.
All of the above-mentioned multiple component automatic mounting machines are arranged in parallel.
Between the parts automatic mounters, the buffers, and
And the connection between the above automatic component mounter and each buffer
A magazine is provided on the transport path according to the command.
A mounting method using a group of automatic component mounting machines, which is characterized by placing multiple automated guided vehicles for transporting . 2. Transportation / transportation instruction, production input instruction and input / output
A monitoring control unit that gives instructions is provided from this monitoring control unit.
Drive each automated guided vehicle according to the instructions of
The magazines of all the ordered automatic component mounters
Necessary parts for printed boards in the magazine
The mounting method according to claim 1, wherein the component automatic mounting machine group is mounted. 3. A plurality of magazines have respective magazine numbers,
A reader / writer that has an IC card that holds each data of the printed board name, the number of printed boards, and the production order, and a reader / writer that reads / writes the data of the IC card is provided in each buffer and each loader / unloader attached to each component automatic mounting machine Have a department, unattended
Magazine between the carrier and each buffer or each component automatic mounting machine
3. The mounting method by the component automatic mounting machine group according to claim 1 or 2 , wherein when the gin is delivered, the respective data are exchanged so that an unmanned conveyance can be instructed.