JP2971984B2 - Substrate storage magazine and substrate information management method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention writes substrate information,
The present invention relates to a board storage magazine provided with a storage unit for readable storage, a board information management method using the magazine, and various application apparatuses.

[0002]

2. Description of the Related Art Conventionally, as a method of supplying a substrate to an electronic component mounting line or a mounting machine alone, a substrate storage magazine for storing a large number of substrates in a stacked state at appropriate intervals is used. There is known a method of sequentially sending out and storing the substrates stored therein, and sequentially storing the substrates on which the electronic components are mounted in a substrate storage magazine in a substrate storage device.

[0003] As such a substrate storage magazine 31,
As shown in FIG. 7, there is a known configuration in which a fixed rack 34 and a movable rack 35 are arranged between upper and lower end plates 32 and 33 so that the width between the racks 34 and 35 can be adjusted according to the substrate width. I have. In the board storage magazine 31 shown in FIG. 7, the movable rack 35 is supported at both upper and lower ends thereof by being fixed to a belt 36 on both sides thereof.
The upper and lower belts 36 and 36 are interlocked by an interlocking shaft 38, and the four points on the upper and lower sides of the movable rack 35 move synchronously. The pulley 39 around which the belt 36 is wound is appropriately driven to rotate by a driving means so that the rack interval can be adjusted.

When a board is supplied to an electronic component mounting line and the mounted board is collected, a board storage magazine 31 full of the substrate is supplied to a start end of the electronic component mounting line 41 as shown in FIG. Then, the substrates are sequentially supplied, and the substrates discharged from the end of the electronic component mounting line 41 are stored in the empty substrate storage magazine 31 and collected. In addition, control information for the control unit 42 that controls the electronic component mounting line 41 is appropriately input by a separate input unit in accordance with a board to be supplied.

[0005]

However, since the substrate storage magazine 31 merely functions as a mere substrate jig as described above, the substrate and its information flow in different systems, and the It is difficult to manage the information in correspondence, and there is a possibility of causing inconsistency with each other. As a result, it is difficult to achieve a reliable and large-scale automation system at low cost, and this is an obstacle to achieving automation and unmanned high-mix low-volume production in electronic component mounting lines and mounting machines. I have.

Also, when correcting a board on which electronic components are mounted,
It is necessary to manually associate each substrate with its defect information and the like, and the operator also needs to know the repair method based on his / her own knowledge and procedure manual, which requires skill and is troublesome. Was.

Further, it is difficult to automate the operation of adjusting the rack interval of the board storage magazine in accordance with the board.

In view of the above-mentioned conventional problems, the present invention allows a board in a board storage magazine and its board information to flow together, realizes highly-reliable automation at low cost, and enables automation of multi-product small-quantity production. To provide a board storage magazine, a board information management method, and the like that can easily realize unattended operation, can easily perform board correction work, and can automate rack width adjustment of the board storage magazine. Aim.

[0009]

According to a first aspect of the present invention, there is provided a substrate storage magazine comprising a substrate storage section and storage means for storing information of a substrate in a writable and readable manner.

Further, according to the substrate information management method of the present invention, information relating to processing of a stored substrate is written into a storage means, and at the time of processing a substrate, processing information is read from the storage means and a processing result is written into the storage means. The processing result is read from the storage means.

An apparatus for writing or reading information to or from the storage means of the board storage magazine includes a write / read head section and a controller section for controlling information transmission by the write / read head section. An information writing / reading device is mounted on a substrate supply / storage device that sequentially supplies substrates from a substrate storage magazine or sequentially stores substrates in a substrate storage magazine.

The board mounting apparatus and the board inspection apparatus are provided with control means for changing the mounting conditions and the inspection conditions based on the information read by the board information writing / reading device or for judging the change. Means is provided for controlling the results and inspection results to be written to the storage means of the substrate storage magazine by the substrate information writing / reading device.

[0013] The correction unit and the like are provided with output means for information read by the board information writing / reading device.

[0014] Further, a board storage provided with a rack width switching drive for switching and driving the rack width, a board information writing / reading device, and control means for controlling the rack width switching drive based on the read board information. An automatic rack width switching device for a magazine is provided, and the substrate supply / storage device is provided in the automatic rack width switching device.

[0015]

According to the present invention, since the storage means for writably and readablely storing data in the substrate storage magazine is provided,
This storage means stores information on the substrates stored in the substrate storage magazine, and reads or writes the information in a substrate supply / storage device or the like in accordance with substrate processing such as mounting and inspection, thereby storing the substrates. Substrates in the magazine and their substrate information can be flowed together, high-reliability automation can be realized at low cost, and automation and unmanned high-mix low-volume production can be easily realized.

Further, the correcting section is provided with output means for reading out the board information, converting the information into information on an appropriate correcting method, and displaying the information on a display, or printing out and outputting the printed information, so that the correcting operation of the board can be performed accurately. And it can be done easily.

Further, it is also possible to read out the board width information and automate the rack width adjustment of the board storage magazine.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

In FIG. 1, reference numeral 1 denotes a substrate storage magazine, in which a fixed rack 3 and a movable rack 4 are arranged between upper and lower end plates 2a and 2b so as to move and adjust the movable rack 4 according to the width of the substrate. Thus, the width between the racks 3 and 4 can be adjusted. The movable rack 4 is fixedly supported at both upper and lower ends on belts 5 extending in the moving direction of the movable rack 4, and the belts 5, 5 on both sides are engaged by gears 6, 6 meshed with each other. When the upper and lower belts 5, 5 are linked by the link shaft 7, the four points on both upper and lower ends of the movable rack 4 move synchronously, and as a result, the movable rack 4 moves in parallel. It is configured. Therefore, the rack width between the fixed rack 3 and the movable rack 4 can be adjusted by appropriately driving the pulley 8 around which the belt 5 is wound by the driving means. On the opposing surfaces of the fixed rack 3 and the movable rack 4, holding grooves 9 for supporting both sides of the substrate at an appropriate pitch in the vertical direction are formed so as to hold the substrates in a vertically stacked state with an appropriate space therebetween. Have been.

On the opposite side of the fixed rack 3 from the movable rack 4, a writable and readable storage means 10 is detachably mounted when necessary. This storage means 10 contains I
A C memory card, a memory pack, a magnetic tape, or the like can be used.

The writing of the board information to the storage means 10 and the reading of the board information from the storage means 10 are first performed by the board information management section 11, as shown in FIG.

That is, the writing / reading head unit 12 writes information of the board itself stored in the board storage magazine 1 and information on mounting conditions and inspection conditions to the storage unit 10. The controller for controlling the write / read head unit 12 is built in the board information management unit 11. Also, when the necessary processing is performed and the process returns to the substrate information management unit 11, information such as the processing result of the stored substrate is read from the storage unit 10 of the substrate storage magazine 1 in the same manner.

The substrate storage magazine 1 in which the substrates are stored and mounting conditions, inspection conditions, and the like are stored, as shown in FIG.
The substrates mounted on the substrate supply device 15 at the start end of the mounting line 13 and stored therein are sequentially mounted one by one on the mounting line 13.
The electronic components are mounted on the board while passing through the mounting line 13. At that time, the storage means 10
From the board type, serial
Number, number of storage, rail width, number of mounting, NC to operate
Information on mounting conditions such as programs and inspection conditions is read out and input to the control unit 14 of the mounting line 13, and the mounting line 13 is controlled based on the information. Therefore, the controller of the write / read head unit 12 is also built in the control unit 14.

The mounting line 13 includes a mounting machine for mounting electronic components on the surface of the board, an insertion machine for inserting leads and jumper wires of the electronic components into insertion holes of the board, a printing machine for cream solder, a reflow device, One or a plurality of devices such as a coating device, a printing state, a mounting state, and a soldering state inspection apparatus are provided.

The substrates on which the predetermined mounting processing has been completed on the mounting line 13 are discharged from the mounting line 13 and sequentially stored in the substrate storing magazine 1 mounted on the substrate storing device 16. At this time, the mounting result for each board is
Is stored in the storage means 10 of the substrate storage magazine 1 via the write / read head unit 12.

In the mounting machine and the inspection machine in the mounting line 13, as shown in FIG. 4, the substrate is divided into non-defective products and defective products according to the processing result, and the non-defective products are transferred to the next process as they are. The defective product is separated and the defective product stocker 17 is separated.
Substrate storage magazine 1 transported to and temporarily stored
Is stored in. At that time, the failure data of each board is read by the controller 18 from the control unit of the mounting machine or the inspection machine,
The write / read head unit 12 writes the data into the storage unit 10 of the board storage magazine 1 for defective products.

The substrate storage magazines 1 temporarily stored in the defective product stocker 17 are sequentially transferred to the correction unit 19, and those which can be corrected are corrected. At that time, the defective data of each substrate stored in the storage means 10 of the substrate storage magazine 1 is also transferred to the controller 2 via the write / read head unit 12.
0, and the data is processed by the controller 20, and the defective portion, the content of the defect, the repair method, the repair procedure, the notes at the time of repair, etc. for each board are displayed on the display device 21.
Or their data is printed out. Thus, even a non-skilled worker can easily and efficiently make accurate corrections based on these displayed and output correction data.

Thereafter, when the collected substrate storage magazine 1 is reused, the width of the stored substrate may be different. In such a case, it is necessary to adjust the rack width. At that time, as shown in FIG. 5, the substrate storage magazine 1 is sent to the rack width adjusting device 22, and the movable rack 4 is moved by a required amount by rotating an arbitrary pulley 8 in FIG. The distance between the fixed rack 3 and the movable rack 4 is set to a desired value. Also at this time, the controller 23 reads out the substrate width data stored in the storage means 10 via the write / read head unit 12,
The rack width is automatically adjusted to a desired rack width by controlling the drive unit in terms of the control amount of the drive unit.

Although the rack width adjusting device 22 may be installed independently, the mounting line 13 may be installed in accordance with the flow of the board.
Is appropriately mounted on a substrate supply device or a substrate storage device disposed before, after, or in the middle of the process.

Next, a substrate storage magazine 1 for storing substrates
Will be described with reference to the flowchart of FIG. A predetermined board is prepared based on the production plan specified by the board information management unit 11, stored in the board storage magazine 1 (step # 1), and stored in the storage unit 10 such as mounting conditions and inspection conditions for the board. Information is written by the write / read head unit 12 (step # 2). The board storage magazine 1 is transported to the mounting machine (step # 3), and the control unit 14 of the mounting machine reads the mounting conditions from the storage means 10 (step # 4) and determines whether the mounting conditions are the same (step # 4). # 5) If they are not the same, the switching of the mounting condition is set (step # 6), and then the mounting operation is performed (step # 7).

Next, after reading the mounting result from the control unit 14 and writing it in the storage means 10 (step # 8), it is transferred to the inspection machine (step # 9), and the inspection conditions are read out similarly (step # 10). Then, it is determined whether the inspection conditions are the same (step # 11). If the inspection conditions are not the same, the switching of the inspection conditions is performed (step # 12), and the inspection is performed (step # 13).

In accordance with the inspection results, non-defective products and defective products are stored in different substrate storage magazines 1 and the respective inspection results are written in the storage means 10 (step # 14). The non-defective substrate storage magazine 1 is transported to the substrate information management unit 11 (steps # 15 and # 16), reads the substrate information from the storage unit 10, and stores it in the database (step # 17).
On the other hand, the defective substrate storage magazine 1 is transported to the correction unit 19 (steps # 15 and # 18), the inspection result is read out by the controller 20 (step # 19), the data is processed, and the correction location is determined for each substrate. Items, correction procedures, and the like are displayed on the display means 21 (step # 20), and the operator looks at the display to make an accurate correction in a simple manner (step # 21), and writes the correction result in the storage means 10. (Step #
22) Then, the board storage magazine 1 is transported to the board information management unit (step # 16), and the information is stored in the database as described above.

Thus, production control in units of the substrate storage magazine 1 can be easily realized at low cost, and productivity is improved. Further, the information on the non-defective substrate and the defective substrate after the inspection process can be easily managed and grasped, and the defective substrate can be easily corrected.

In the above-described embodiment, a magazine capable of moving the movable rack by the driving means is exemplified as the board storage magazine. However, when the rack width is not automatically adjusted, the rack width is manually adjusted. Needless to say, the present invention can be applied to a board storage magazine having a fixed rack width.

[0035]

According to the present invention, the storage means for writable and readable storage in the substrate storage magazine is provided, so that the storage means stores information on the substrates stored in the substrate storage magazine. By reading or writing the information in a substrate supply / storage device or the like according to the substrate processing such as mounting, inspection, etc., the substrate in the substrate storage magazine and the substrate information can flow together,
Highly reliable automation can be realized at low cost, and automation and unmanned operation of high-mix low-volume production can be easily realized.

In addition, the correcting section is provided with output means for reading out the board information, converting it into information on an appropriate correcting method and displaying the information on a display, or printing out and outputting, thereby simplifying the correcting operation of the board. Can be done.

Further, there is an effect that the width information of the board can be read out and the rack width adjustment of the board storage magazine can be automated.

[Brief description of the drawings]

FIG. 1 is a perspective view of a substrate storage magazine according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a process of writing or reading substrate information to / from a storage unit in a substrate information management unit.

FIG. 3 is an explanatory diagram of a process of supplying and storing a substrate to a mounting line.

FIG. 4 is an explanatory diagram of a repair process after mounting or inspection on a substrate.

FIG. 5 is an explanatory diagram of a rack width adjusting step of the board storage magazine.

FIG. 6 is a flowchart showing the flow of a substrate and its information processing.

FIG. 7 is a perspective view of a conventional substrate storage magazine.

FIG. 8 is an explanatory diagram of a method of supplying and storing a substrate using a conventional substrate storage magazine.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 board storage magazine 3 fixed rack 4 movable rack 10 storage means 11 board information management section 12 write / read head section 13 mounting line 14 control section 15 board supply device 16 board storage apparatus 18 controller 19 correction section 20 controller 21 display means 22 Rack width adjustment device 23 Controller

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-183332 (JP, A) JP-A-2-97100 (JP, A) JP-A-60-89998 (JP, A) JP-A-3- 268489 (JP, A) JP-A-3-18527 (JP, A) JP-A-2-219779 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) H05K 13/02

Claims (11)

(57) [Claims] 1. A substrate storage magazine, comprising: a substrate storage section; and storage means for storing information on the substrate in a writable and readable manner. 2. A method for storing a substrate in a substrate storage section of a substrate storage magazine, writing information relating to processing of the stored substrate to a writable and readable storage means provided in the substrate storage magazine, and processing the information from the storage means during substrate processing. A substrate information management method, comprising: reading out information, writing a processing result to a storage unit, and reading out the processing result from the storage unit as management data of the substrate. 3. A write / read head for writing or reading information to / from the storage means of the substrate storage magazine according to claim 1, and a controller for controlling information transmission by the write / read head. And a substrate information writing / reading device. 4. A substrate supply / storage device for sequentially supplying substrates from a substrate storage magazine or sequentially storing substrates in a substrate storage magazine.
A substrate supply / storage device equipped with a reading device. 5. A board mounting apparatus, comprising: control means for changing the mounting conditions or determining the mounting conditions based on information read by the board information writing / reading apparatus according to claim 3. 6. A board inspection apparatus, comprising: a control means for changing the inspection condition or determining the inspection condition based on the information read by the board information writing / reading apparatus according to claim 3. 7. A board mounting apparatus, comprising means for controlling a mounting result to be written in a storage means of a board storage magazine by the board information writing / reading apparatus according to claim 3. 8. A board inspecting apparatus, comprising: means for controlling an inspection result to be written in a storage means of a board storage magazine by the board information writing / reading apparatus according to claim 3. 9. A board information output device, comprising: means for outputting information read by the board information writing / reading device according to claim 3. 10. A rack width switching drive for switching the rack width of the board storage magazine, the board information writing / reading device according to claim 3, and controlling the rack width switching drive based on the read board information. An automatic rack width switching device for a board storage magazine, comprising: 11. A substrate supply / storage device comprising the automatic rack width switching device according to claim 10.