JPH0613788A - Storing device and electronic part mounter - Google Patents

Abstract

PURPOSE:To obtain an electronic part mounter where parts are prevented from being wrongly fed. CONSTITUTION:A part storing shelf 30 equipped with containers 31 and both door locking mechanisms and displays 36 correspondent to the containers 31 respectively is provided, electronic parts are housed in the containers 31 in accordance with type No. of part. A bar code reader 21 is provided, and a bar code label 3e which indicates the type No. of an electronic part is pasted on each feed hopper 3. When the bar code label 3e is read in by the bar code reader 21 at the feed of parts to the part hopper 3, not only the display 36 of the container 31 where the correspondent electronic parts are housed is lit up but also the door is unlocked. By this setup, it is not required to find electronic parts to feed, and electronic parts are prevented from being wrongly fed, so that a mounter of this design can be enhanced in productivity.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvements in a storage device and an electronic component mounting machine for automatically mounting electronic components on a circuit board.

[0002]

2. Description of the Related Art Conventionally, there has been known an electronic component mounting machine for automatically mounting electronic components on a circuit board as shown in FIG. This electronic component mounter is composed of an electronic component mounter main body (hereinafter referred to as a main body) 1, a plurality of supply hoppers 3 mounted on a hopper mounting base 2 provided on the upper portion of the main body 1, and the like. .

The main body 1 is connected to a keyboard 4 for inputting sequence table data and the like, a memory (not shown) for storing data such as the sequence table data, and a keyboard 4 and a memory for driving the apparatus. A main control unit (not shown) including a CPU for controlling the.

The array table data should be carried out from the supply hopper 3, for example, the model number of the electronic part housed in each supply hopper 3 corresponding to the production model, the mounting position of the supply hopper 3 for carrying out the electronic part. The number of electronic components and the like are set.

As shown in FIG. 3, the supply hopper 3 is provided with a rectangular-cylindrical accommodating portion 3a made of transparent resin, a lid 3b for opening and closing the upper end opening of the accommodating portion 3a, and a lower end opening of the accommodating portion 3a. The hopper mounting table 2 is configured to be detachable from the hopper mounting table 2. Further, a component cutting mechanism (not shown) is built in the mounting portion 3c, and the electronic components P in the housing portion 3a can be supplied one by one from the bottom surface of the mounting portion 3c by the reciprocating movement of the slider 3d. .

In the figure, 5 is a supply tube from the supply hopper 3 to the mounting base 6, and 7 is a plurality of distribution tubes.
A distributor provided with a knob 7a and attached to the mount 6, 8 is a template with a guide case 8a that moves back and forth below the distributor 7, and 9 is a front of the distributor 7. The suction head 10 moves up and down at a position, 10 is a substrate transfer table that moves in a fixed direction below the suction head 9, and 11 is a circuit board placed on the substrate transfer table 10.

The electronic parts P sent from the plurality of supply hoppers 3 to the supply tube 5 flow into the distribution tube 7a of the distributor 7 and are distributed to an appropriate position. Template 8 located below
Is dropped and supplied into the guide case 8a.

The template 8 moves forward after receiving the component supply, and sucks the electronic component P in the guide case 8a by the suction head 9 descending from above. After the components are picked up, the template 8 moves rearward, and the board transport table 10
Components are mounted on the upper circuit board 11 from the suction head 9. The circuit board 11 after the components are mounted is the board conveying path 1 of the main body 1.
It is carried out from a to other equipment and process lines.

On the other hand, when the electronic parts P in the supply hopper 3 are exhausted, the parts are replenished by the operator.
At this time, the worker takes out the component bag containing the electronic component to be replenished from among the multiple types of electronic components, visually confirms the content display on the component bag, and replenishes the relevant component. is doing.

[0010]

However, when replenishing the parts to the supply hopper 3, since the operator visually confirms the contents display of the parts bag, the parts different from the electronic parts to be originally replenished. Accidentally replenished.
In this case, even if the types of electronic components are erroneously replenished, the device may operate as usual, and in this case, all produced products are defective products and are wasted.

In view of the above problems, an object of the present invention is to provide a storage device for preventing mistakes in component replenishment, and an electronic component mounter that prevents mistakes in component replenishment.

[0012]

In order to achieve the above-mentioned object, the present invention provides a plurality of electronic component supply units, and the electronic components supplied from the electronic component supply units are provided on a circuit board. A storage device that is connected to an electronic component mounting machine to be mounted at a predetermined position and stores replenishment electronic components, and a component storage portion having a plurality of individual storage portions that are isolated from each other,
A storage device including a display unit that indicates the position of each of the individual accommodation units based on a signal from the electronic component mounter is proposed.

According to a second aspect of the present invention, in the storage device according to the first aspect, the opening / closing means for opening / closing each of the individual accommodating portions and the locking means for locking the opening / closing means based on a signal from the electronic component mounting machine. We propose a storage device with and.

According to a third aspect of the present invention, in an electronic component mounting machine that includes a plurality of electronic component supply units and mounts the electronic components supplied from the electronic component supply units at predetermined positions on a circuit board, they are separated from each other. Component accommodating section having a plurality of individual accommodating sections, display means for indicating respective positions of the individual accommodating sections, identification data corresponding to the model numbers of the individual accommodating sections and electronic components accommodated in the individual accommodating sections Storage means for storing the component management data corresponding to the above, an identification code attached to a predetermined position of the electronic component supply unit, the identification code representing identification data corresponding to the electronic component supplied from the electronic component supply unit, Based on the identification code reading means for reading the identification code and the identification data of the identification code and the parts management data read by the identification code reading means, Suggest electronic component mounting apparatus provided with a display control means for controlling the display of the display unit.

According to a fourth aspect, in the electronic component mounting machine according to the third aspect, the opening / closing means for opening / closing each of the individual accommodating portions, the locking means for locking the opening / closing means, and the identification code reading means are used for reading. An electronic component mounting machine is proposed, which is provided with a locking / unlocking means for opening the locking means based on the identification data of the identification code and the component management data.

Further, in claim 5, there is proposed an electronic component mounting machine according to claim 3 or 4, wherein a bar code is used as the identification code.

Further, according to a sixth aspect, in the electronic component mounting machine according to the third, fourth or fifth aspect, when the identification data of the identification code is read by the identification code reading means, the quality of the reading result is notified. An electronic component mounter provided with a reading result notification means is proposed.

[0018]

According to the first aspect of the present invention, the electronic parts to be replenished are accommodated in each individual accommodating section by type, and the position of the individual accommodating section is displayed based on the signal from the electronic component mounter. Displayed on the means.

Further, according to the second aspect, opening / closing means for opening / closing each of the individual accommodating portions is provided, and the opening / closing means is normally locked by the locking means, and unlocked as necessary. This prevents the electronic components from being taken out from the individual accommodation units other than the unlocked individual accommodation unit.

According to the third aspect of the invention, the electronic parts to be replenished are housed in the individual housing parts of the parts housing parts by type. In addition, component management data in which the individual housing portion and the identification data corresponding to the model number of the electronic component housed in the individual housing portion are associated with each other are stored in the storage unit. Further, an identification code representing identification data corresponding to the supplied electronic component is attached to each electronic component supply unit, and when supplying components to an arbitrary electronic component supply unit, the electronic component supply is performed by the identification code reading means. Read the identification code of the department. As a result, the display control unit displays the position of the individual accommodation section on the display unit based on the identification data of the identification code read by the identification code reading unit and the component management data.

According to a fourth aspect, opening / closing means for opening / closing each of the individual accommodating portions is provided, and the opening / closing means is usually
It is locked by the locking means. This prevents the electronic components from being taken out from the individual housing portion. Further, when the identification code of the electronic component supply unit is read by the identification code reading unit, the unlocking unit is based on the identification data of the identification code read by the identification code reading unit and the component management data. By this, the locking means corresponding to the individual accommodation portion for accommodating the electronic component of the identification data is opened.

According to a fifth aspect, a bar code is used as the identification code.

Further, according to the sixth aspect, when the identification data is read by the identification code reading means, the reading result notifying means notifies whether the reading result is good or bad.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an electronic component mounter of one embodiment. In the figure, the same components as those of the above-described conventional example are designated by the same reference numerals and the description thereof will be omitted. Further, the difference between the conventional example and the present embodiment is that the present embodiment is provided with a bar code reader 21 and a parts storage shelf 30, and supplies a bar code label 3e representing the model number of the electronic parts housed therein. It has been attached to the hopper 3.

That is, in this embodiment, as shown in FIG.
On the front surface of each supply hopper 3, a bar code label 3e indicating the model number of the contained electronic component or the like is attached. Further, a bar code reader 21 is provided, and the bar code reader 21 is connected to a main control section in the main body 1 via a bar code data transfer device 22.

In addition, the parts storage shelf 30 includes a plurality of storage boxes 31.
The electronic parts for replenishment are stored in these storages 31 for each product type. A door 32 attached by a hinge is provided in each storage 31 as shown in FIG. 5, and electronic parts cannot be taken out from the storage 31 unless the door 32 is opened. Further, the locking member 33 having a predetermined recess 33a inside the open end of the door 32.
Is fixed and the locking member 3 is in a state where the door 32 is closed.
3, a locking mechanism 34 is arranged on the side wall facing the recess 33a, and the locking mechanism 34 allows the sliding shaft 34a to move in and out of the shaft support portion 34b in response to a drive signal from a locking mechanism drive unit described later. There is. Further, when the sliding shaft 34a projects in the horizontal direction from the shaft support portion 34b, the sliding shaft 34a is locked by the locking member 33.
The door 32 cannot be opened because the door 32 is inserted into the recess 33a.

Further, the door 32 is provided below the locking mechanism 34.
A micro switch 35 for detecting the closing of the storage box 31 is arranged, and an indicator 36 such as an LED is provided on the front surface of the storage box 31 at a position corresponding to each storage box 31. Each micro switch 35 and the display 36 are connected to the main controller as described later.

FIG. 6 is a block diagram of an electric system circuit in one embodiment. In the figure, reference numeral 41 denotes a main control unit, which is constituted by a well-known CPU and controls the drive of each unit based on a program stored in a ROM in a memory 42 in advance. The memory 42 is a ROM connected to the main control unit 41 by a bus BS including an address bus and a data bus.
And a RAM backed up by a battery.

Reference numeral 43 denotes a slider drive section which drives the slider 3d of each of the supply hoppers 3 described above based on a control signal from the main control section 41. 44 is a template moving unit,
Based on a control signal from the main control unit 41, the template 8 described above is provided under the distributor 7 and the circuit board 1.
Move between the top of and 1. Reference numeral 45 denotes a suction head drive unit which, based on a control signal from the main control unit 41, sucks electronic components on the template 8 and mounts them on the circuit board 11. A transport table drive unit 46 moves the substrate transport table 10 based on a control signal from the main control unit 41.

A known floppy disk interface unit 47 is connected to the main control unit 41 via a bus BS. Reference numeral 48 denotes a switch unit, which includes the above-described plurality of micro switches 35 and a bus interface circuit (not shown), and outputs the on / off state of each micro switch 35 to the main control unit via the bus BS. 49 is a display part,
The display unit 36 is composed of the plurality of display units 36 and the bus interface circuit (not shown) described above, and the display unit 36 is turned on based on the control data input from the main control unit 41. Reference numeral 50 denotes a lock mechanism drive unit, which is connected to the main control unit 41 via the bus BS and controls the drive of the lock mechanism 34 corresponding to each storage 31 based on the control data from the main control unit 41. 5
Reference numeral 1 denotes a confirmation sound generation unit, which is composed of a low-frequency oscillation circuit, a speaker, and the like, receives control data from the main control unit 41 via the bus BS, and generates a sound of a frequency based on this control data for a predetermined time.

The main controller 41 is connected to the keyboard 4 via the bar code data transfer device 22 and the bus BS, and uses the bar code read by the bar code reader 21 and the key input from the keyboard 4 as data. You can receive it.

When using the electronic component mounter having the above-mentioned configuration, the array table data of the production model and the component management data are stored in the memory 22 in advance. When storing these data in the memory 22, it can be performed by key input from the keyboard 4, but by storing the sequence table data of the production model and the component management data in a predetermined format on the magnetic floppy disk, Data can be surely easily input through the floppy disk interface unit 47.

In the array table data described above, the model numbers of the electronic components to be accommodated in the respective supply hoppers 3 corresponding to the mounting positions of the supply hoppers 3 used for the component supply, and the cutout of the electronic components from the respective supply hoppers 3 The number, the mounting position of electronic components on the circuit board 11, and the like are recorded. In addition, in the parts management data, for each storage 31 number, the storage 31
The model numbers of the electronic components housed in, the lock mechanism 34, the microswitch 35, and the display 36 are associated with each other.

On the other hand, an electronic component P is attached to the supply hopper 3 of the main body 1.
When replenishing, the operator selects the component replenishment process via the keyboard and then causes the bar code reader 21 to read the bar code label 3e of the supply hopper 3 to be replenished. At this time, when the barcode reading failure occurs, the confirmation sound generating unit 31 emits a buzzer sound.

When the bar code of the supply hopper 3 is surely read, a click sound indicating that the reading is normally performed is emitted from the confirmation sound generating section 51, and the main control section 41 reads the read bar code. The model number of the electronic component represented is compared with the component management data, and the storage case 31 in which the electronic component of the model number represented by the read barcode is stored.
The lock is released, and the corresponding display 36 is turned on. As a result, the worker can easily recognize the storage box 31 in which the electronic components to be supplied are stored.

After this, the operator opens the door 32 of the storage case 31 in which the display 36 is lit, takes out electronic components from the storage case 31, and supplies them to the supply hopper 3. here,
If the door 32 is opened for a predetermined time or longer, a buzzer sounds and an instruction to close the door is given. This can prevent forgetting to close the door 32.

Next, when the worker closes the door 32 of the storage 31, the main controller 41 detects the closing of the door 32 via the micro switch 35, and the door 32 is automatically locked and cannot be opened. .

Therefore, it is possible to reduce the trouble of searching for the electronic component to be replenished at the time of replenishing the component and to prevent the mistake of the replenishing electronic component. Thereby, production of defective products can be prevented, and production efficiency can be improved.

Next, the processing of the main control unit 41 at the time of replenishing the electronic parts described above will be described in detail with reference to the processing flowchart shown in FIG. The main control unit 21 monitors whether or not the barcode has been read depending on the presence or absence of data input from the barcode data transfer device 22 during replenishment of electronic components (S1), and when the barcode has been read, the input is performed. It is determined based on the data whether or not the reading has been normally performed (S2). If the result of this determination is that the reading was not performed normally, the confirmation sound generator 51 issues a buzzer sound to instruct re-reading (S3), and the processing shifts to S1.

As a result of the determination in S2, if the barcode reading result is normal, the main control unit 41 causes the confirmation sound generating unit 51 to generate a click sound (S4). Further, the model number in the read bar code is compared with the component management data, and the indicator 36 corresponding to the storage case 31 accommodating the electronic component of this model number is turned on (S5). The locking mechanism 34 is released so that the door 32 can be opened (S6).

After that, the main control unit 41 sets a timer provided in advance (S7), determines whether or not the micro switch 35 of the unlocked storage case 31 is turned on (S8), and when it is off. Assuming that the door 32 is in the open state, determines whether the time measured by the timer has exceeded a predetermined time, for example, 1 minute (S9). As a result of this determination, when 1 minute has not passed, the process shifts to the process of S8, and when 1 minute has passed, the confirmation sound generation unit 51 intermittently emits a buzzer sound to instruct the closing of the door 32. (S10),
Then, the process proceeds to S8.

As a result of the determination in S8, when the micro switch 35 is turned on, the main control unit 41 drives the locking mechanism 34 that was released earlier to lock the door 32 (S1).
1). After that, the main control unit 41 determines whether or not the component replenishing process is completed based on the key input from the keyboard 4 (S12), and when the component replenishing process is not completed, the process proceeds to the process of S1. .

The configuration of this embodiment is an example, and the present invention is not limited to this. For example, substantially the same effect can be obtained without providing the locking mechanism 34.

If each door 32 of the parts storage shelf 30 is of a spring return type, it is possible to completely prevent forgetting to tighten the door.

A bar code label similar to the bar code label 3e is attached to a component bag or case for accommodating electronic parts, and when the electronic parts are replenished in each storage box 31 of the component storage shelf 30, If you do the same process as above,
You can further reduce mistakes.

In this embodiment, the bar code is used as the identification code, but it goes without saying that the bar code is not limited to this.

[0047]

As described above, according to the first aspect of the present invention, the means for displaying the position of the individual accommodating portion accommodating the required replenishment electronic component is displayed on the basis of the signal from the electronic component mounter. Therefore, it is possible to save the trouble of searching for the electronic component to be replenished and to prevent the replenishment of the wrong electronic component, which is an excellent effect.

Further, according to the second aspect, in addition to the above effect, only the locking means of the individual accommodating portion accommodating the electronic component to be replenished is opened at the time of component replenishment, and other individual accommodating is performed. Since the part can be locked, it is possible to completely prevent mistakes when taking out the electronic component from the component housing part.

According to the third aspect, when the identification data of the identification code of the electronic component supply unit is read by the identification code reading unit, the position of the individual accommodation unit that accommodates the electronic component of the identification data is displayed on the display unit. Since it is displayed, it is possible to save the trouble of searching for an electronic component to be replenished, prevent the replenishment of an erroneous electronic component, and improve the production efficiency, which is a very excellent effect.

According to the second aspect, in addition to the above effects, at the time of replenishing components, only the locking means of the individual accommodating portion that accommodates the electronic component to be replenished is opened, and the other individual accommodating portions are opened. Since is locked, it is possible to completely prevent mistakes when taking out an electronic component from the component housing.

Further, according to claim 3, in addition to the above effect, since the bar code which has been developed and has been generalized is used as the identification code, the device cost can be reduced.

Further, according to claim 4, in addition to the above effects, the reading state of the identification code can be easily confirmed.

[Brief description of drawings]

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

FIG. 2 is a configuration diagram showing a conventional example.

FIG. 3 is a diagram for explaining the operation of a conventional example.

FIG. 4 is a diagram showing a supply hopper according to an embodiment of the present invention.

FIG. 5 is a diagram showing a main part of a component storage shelf in one embodiment.

FIG. 6 is a block diagram showing an electric system circuit according to an embodiment.

FIG. 7 is a flowchart showing a component replenishment process in one embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Electronic component mounter main body, 2 ... Hopper mounting stand, 3 ... Supply hopper, 3a ... Storage part, 3b ... Lid, 3c ... Mounting part, 3d
... Slider, 3e ... Bar code label, 4 ... Keyboard, 5 ... Supply tube, 6 ... Mounting base, 7 ... Distributor, 7a ... Distribution tube, 8 ... Template, 8a
... guide case, 9 ... suction head, 10 ... substrate transport table, 11 ... circuit board, 21 ... bar code reader, 2
2 ... Bar code data transfer device, 30 ... Parts storage shelf, 3
DESCRIPTION OF SYMBOLS 1 ... Storage, 32 ... Door, 33 ... Locking member, 33a ... Recess, 34 ... Locking mechanism, 34a ... Sliding shaft, 34b ...
Shaft support part, 35 ... Micro switch, 36 ... Indicator, 41 ... Main control part, 42 ... Memory, 43 ... Slider drive part, 44 ... Template moving part, 45 ... Adsorption head drive part, 46 ... Conveying part, 47 ... Floppy disk interface section, 48 ... Switch section, 49 ... Display section, 50 ...
Locking mechanism drive unit, 51 ... Confirmation sound generation unit, BS ... Bus, P
… Electronic components.

Claims (6)

[Claims] 1. A replenishment electronic component is stored by being connected to an electronic component mounting machine comprising a plurality of electronic component supply units and mounting the electronic components supplied from the electronic component supply unit at a predetermined position on a circuit board. A storage device, comprising: a component housing part having a plurality of individual housing parts separated from each other, and a display means for indicating respective positions of the individual housing parts based on signals from the electronic component mounting machine. A storage device characterized by the following. 2. An opening / closing means for opening / closing each of the individual accommodating portions and a locking means for locking the opening / closing means based on a signal from the electronic component mounting machine are provided. Storage device. 3. An electronic component mounting machine comprising a plurality of electronic component supply units for mounting the electronic components supplied from the electronic component supply units at predetermined positions on a circuit board, and a plurality of individual accommodating units separated from each other. A component storage unit having a unit, a display unit that indicates the position of each individual storage unit, and a component that associates the individual storage unit with identification data corresponding to the model number of an electronic component stored in the individual storage unit. Storage means for storing management data, an identification code attached to a predetermined position of the electronic component supply unit and representing identification data corresponding to an electronic component supplied from the electronic component supply unit, and an identification code for reading the identification code A reading unit, and a display of the display unit based on the identification data of the identification code and the parts management data read by the identification code reading unit. An electronic component mounting machine comprising: a display control unit for controlling. 4. An opening / closing means for opening / closing each of the individual accommodating portions, a locking means for locking the opening / closing means, and identification data of the identification code read by the identification code reading means and the parts management data. The electronic component mounting machine according to claim 3, further comprising: a lock releasing means for opening the lock means. 5. The electronic component mounting machine according to claim 3, wherein a bar code is used as the identification code. 6. The reading result notifying means for notifying whether the reading result is good or bad is provided when the identification code reading means reads the identification data of the identification code. Electronic component mounter.