JPH0637490A - Electronic parts mounter - Google Patents

Abstract

PURPOSE:To provide an electronic parts mounter which can arrange parts supply units quickly without errors. CONSTITUTION:A monitor device 16 displays and informs the program No. of parts mounting work or the parts. No. of a parts supply unit so as to demand an operator to input them. An operation panel 17 is used to input the program No. of the parts mounting work and the parts No. of parts supply units by input keys. The central processor 18 of the body device 10 has a parts correspondence list, where parts No. and the position No. where the parts supply unit should be arranged correspond to each other, for every program No., and it lights the indicator lamp 15 in the position where the parts supply unit on a parts supply stage 14 is arranged, based on the program No. and the parts No. inputted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component mounting device,
More specifically, the present invention relates to an electronic component mounting apparatus that automatically indicates the arrangement position of a component supply unit that houses electronic components to be mounted on a printed circuit board.

[0002]

2. Description of the Related Art Conventionally, in a board unit manufacturing line, there is an electronic component mounting apparatus for mounting a chip-shaped electronic component on a printed circuit board carried in from a preceding apparatus. This electronic component mounting apparatus has a structure as shown in the plan view of FIG. 4 (a) and the front view of FIG. 4 (b), for example. Briefly explaining the electronic component mounting apparatus 40 of the same figure, first,
A printed circuit board 41 (hereinafter, simply referred to as a circuit board 41) is carried in by a belt conveyor 42 from the unillustrated pre-stage device on the right side of the figure to the left side of the figure indicated by an arrow F. Then, when the substrate 41 is fixed at a predetermined position, the component mounting head 43 slides vertically and horizontally and vertically, so that the chip-shaped electronic component (hereinafter, simply referred to as a component) is placed at a predetermined position on the substrate 41. Wear).

Usually, there are more than 50 kinds of parts mounted on one substrate 41, and these parts are supplied, for example, in the state of part tapes wound around a tape reel, one part for each kind. It is stored in a unit (not shown). In this way, for example, 50 types of component supply units prepared by the required number of types of components are arranged on the component supply stages 44 and 44 'provided at two positions before and behind the component mounting device 40. . As a result, various types of components to be mounted on the board 41 are supplied to the component mounting head 43.

The positions at which the above-mentioned component supply unit is arranged on the component supply stages 44 and 44 'are determined according to the types of the components housed in the component supply unit. This is done in order to improve the work efficiency of component mounting performed by the component mounting head 43.
As a result, the component mounting head 43 is moved between the component supply stage 44 or 44 'and the substrate 41 at the shortest distance, so that the work can be performed in the shortest time.

Conventionally, the work of arranging the respective component supply units on the component supply stages 44 and 44 'has been performed by a site operator while reading a program list or a component correspondence table corresponding to the type of the board 41.

[0006]

However, the above-described arrangement of the component supply unit by the operator is apt to cause misidentification in the identification of the type because the types of the component supply units to be handled are too many. Since the installation work is manual work, the placement position of the component supply unit is also easily misidentified. Therefore, it often happens that the component supply unit is disposed in the wrong position. Therefore, there is a problem that the component mounting operation of the component mounting apparatus 40 is hindered, the board unit manufacturing line is stopped, and the working efficiency is significantly impaired.

In order to prevent the occurrence of such a trouble, if the site operator carries out an accurate work of arranging the component supply unit, the type number of the component tape reel mounted on the component supply unit and the corresponding number The installation work proceeds while carefully checking and checking the numbers in the parts correspondence table and the position numbers of the parts supply stages that match the numbers, which takes too much time and reduces work efficiency. There was a problem of doing.

SUMMARY OF THE INVENTION An object of the present invention is to provide an electronic component mounting apparatus capable of quickly arranging component supplying units at correct positions on a component supplying stage without error.

[0009]

The means of the present invention are as follows. INDUSTRIAL APPLICABILITY The present invention is applied to an electronic component mounting apparatus in which a work head that freely slides vertically and in a plane vertical lift holds an electronic component detachably and mounts the electronic component at a predetermined position on a printed circuit board.

The plurality of supply means store a plurality of types of electronic components to be mounted on the printed circuit board by type and supply the stored electronic components to the working head. The means comprises, for example, a plurality of component tape reels and a reel cassette for accommodating the component tape reels.

The identifying means identifies the types of electronic components housed in the plurality of supply means. The means comprises, for example, an operation panel provided with a numerical value input key, a microprocessor, or the like. Of course, a bar code reader can be used instead of the numeric input keys.

The instructing means automatically indicates the respective positions where the plurality of supply means should be arranged based on the identification result by the identifying means. The means comprises, for example, a light emitting diode or the like.

[0013]

The operation of the means of the present invention is as follows. A plurality of types of electronic components stored by type by a plurality of supply means for supplying electronic components to the work head are identified by the identification means. Then, based on the identification, the respective positions where the plurality of supply units should be arranged are automatically designated by the pointing unit.

As a result, a plurality of component supply units can be promptly arranged in correct positions without error.

[0015]

EXAMPLES Examples will be described below with reference to the drawings. FIG. 1 (a) is a front perspective view of a component mounting apparatus 10 according to an embodiment of the present invention, and FIG. 1 (b) is a rear perspective view thereof.

In FIGS. 1A and 1B, the component mounting device 10
Has a main body base 11 and a safety cover 12 that covers the top of the main body base 11. The safety cover 12 has openings 13 and 13 'on a part of the front surface and the back surface. The component supply stages 14 and 14 'are provided on the front side and the back side of the main body base 11 having the opening 13 or 13', respectively. The opening 1 is provided in the component supply stage 14.
A plurality of indicator lamps 15 are attached toward the outside of 3 (front of the main unit), and similarly, the component supply stage 14 '.
Also, a plurality of indicator lights 15 'are attached to the outside of the opening 13' (to the rear of the main unit). Safety cover 1
The structure of each part on the main body base 11 inside 2 is shown in FIG.
It has the same configuration as shown in (b).

From the opening 13 or 13 ', an operator can insert and arrange a plurality of component supply units 21 to be described later on the component supply stage 14 or 14'.

In the above component supply stages 14 and 14 ', for example, the component mounting area of the substrate is divided into two parallel to the carrying-in direction, and the two divided component mounting areas on the front side of the apparatus are provided. Parts supply stage 14 in front of various kinds of parts
, And the type of component corresponding to the component mounting area on the back side of the apparatus is set on the program so as to be placed on the component supply stage 14 'on the back side.

The safety cover 12 is provided with operation panels 17 and 17 'on the front and the back for the operator to input a part number and the like, and a monitor device for displaying input data and various kinds of information. 16 and 1
6 ', respectively. Further, although not particularly shown, a central control unit, a drive control unit, an image processing unit, etc. are provided in the storage units 18, 19, 20 and the like below the main body base 11. The central control unit is connected to each of the above-mentioned components by wiring.

Next, FIG. 2A shows a perspective view of the component supply unit 21, and FIG. 2B shows a partially enlarged view of the component supply stage 14 (or 14 '). The component supply unit 21 shown in FIG. 1A is composed of a component tape reel 22 and a reel cassette 23. On the component tape reel 22, a component tape 22b enclosing a large number of certain types of components 22a is wound. The component tape reel 22 is held by the reel cassette 23, and the component tape 22b is sequentially drawn out by the tape feeding mechanism of the reel cassette 23, and similarly, by the component take-out mechanism at the tip of the reel cassette 23,
The component 22a enclosed in the component tape 22b is sequentially taken out and supplied to the component mounting head of the main body device.

Below the reel cassette 23 of the component supply unit 21, two positioning pins 23a and 23 are provided.
a'is provided, and when the component supply unit 21 is inserted downward as indicated by arrow A in the figure, that is, toward the component supply stage 14 (or 14 '), these two positioning pins 23a and 23a' are inserted. , The figure corresponding to them
The arrangement position of the component supply unit 21 is fixed by fitting into the positioning guide holes 14a and 14a 'provided in the component supply stage 14 (or 14') shown in (b).

At this time, the fixing rod 23b which vertically penetrates the reel cassette 23 is moved by the operator to the arrow B.
The elliptical stator 2 that is pushed down in the same figure (a) and attached to the lower end of the fixed rod 23b.
3b 'penetrates the elliptical fixing hole 14b of the component supply stage 14 (or 14') corresponding to it. And
Further, by the operator, the fixing rod 23b is rotated 90 degrees clockwise as indicated by the arrow C, so that the major axis of the elliptical stator 23b 'and the major axis of the lower peripheral portion of the elliptical fixing hole 14b are aligned with each other. By preventing the deviation of the stator 23b 'by crossing and tightening the lower peripheral portion of the fixing hole 14b from below by the stator 23b', the component supply unit 21 can be fixed at the installation position. There is.

In the component supply stage 14 (or 14 ') shown in FIG. 2 (b), the main unit 1 is on the front side in FIG.
The inside of 0, and the opposite side of the figure shown by the arrow E is the outside of the main body device 10. The parts supply stage 14
(Or 14 ') on the side facing outward, as shown in FIG.
A plurality of indicator lights 15 (or 15 ') shown in (b) are provided. Each of the plurality of indicator lights 15 (or 15 ') has a position number of "1", "2", ..., And is turned on or off by the central control unit of the main body device 10. .

Next, the processing operation performed by the central control unit of the main body apparatus 10 in the present embodiment having the above-mentioned configuration will be described with reference to the operation flowchart shown in FIG. In addition,
In this process, a RAM (Random Ac
The part number correspondence table (not shown) stored in the cess memory) is also used. This component number correspondence table is provided for each mounting program number which is a component mounting work program corresponding to the board type. The component number correspondence table for each mounting program number indicates the component number to be mounted (mounted) on the board and the arrangement position of the component supply stage 14 or 14 'where the component supply unit 21 accommodating the component should be located. The numbers (position numbers of the plurality of indicator lights 15 or 15 ') are stored in association with each other.

Further, this processing is started by the central control section of the main body device 10 before the start of the main program of the component mounting work or during the interruption thereof, and the operation state of the input keys of the operation panels 17 and 17 'is periodically carried out. To scan.

Then, in the flow chart of FIG.
When the central controller detects the key input of the installed program number (step S31), it performs the processing of the supply unit exchange mode (step S32). This process is a process of displaying a predetermined display on the monitor device 16 (or 16 ') to notify the operator that it is in the supply unit exchange mode for exchanging the component supply unit 21 shown in FIG. 2 (a). .

Subsequently, the monitor device 16 (or 16 ')
, The tape reel part number (part number of the component tape reel 22) is displayed and notified from the operation panel 17 (or 17 '), and the input tape reel part number is detected (step S33). In the process, instead of key input by the operator, a bar code label indicating the tape reel part number is attached to the component tape reel 22 in advance, and the tape reel part number of the bar code label is read by using the bar code reader. You can also enter it.

Next, based on the input tape reel part number, the parts correspondence table corresponding to the input mounting program number is searched, and the position number corresponding to the input tape reel part number is detected, Indicator light 15 or 1 of the component supply stage 14 or 14 'corresponding to the position number
5'is turned on (step S34). As a result, the operator can easily identify the correct installation position of the supply unit to be installed from among a large number of installation positions of the component supply stage 14 or 14 ', and the supply can be performed quickly without error. It is possible to perform the work of disposing the unit.

Subsequently, the component supply stage 14 or 14 '
A process for confirming that the component supply unit 21 is disposed at the correct position is performed (step S35). Although this process is not shown in particular, the component supply unit 21 shown in FIG. 2 (a) is operated by the component supply stage 14 or 1 shown in FIG. 2 (b).
4 ', the positioning holes 14a and 14a'
This is a process of detecting that the component supply unit 21 is arranged by a unit mounting detection device such as a DIP switch or an optical sensor that operates by the positioning pins 23a and 23a 'fitted to the. At this time, the indicator light 15
Alternatively, when the component supply unit 21 is erroneously arranged at a position different from the position where the lighting instruction is given by 15 ', the indicator lamp 15 or 15' at the erroneously arranged position is blinked to notify the error. , Is displayed on the monitor device 16 or 16 'so that the indicator light 15 or 15' can be re-arranged at the correct position where it is lit.

In this way, after confirming that the component supply unit 21 is arranged at the correct position, the indicator lamp 15
Alternatively, reset processing for turning off 15 'is performed (step S
36), and then, for all the position numbers in the parts correspondence table, the parts attachment unit 21
It is determined whether or not the arrangement is detected (step S3).
7). In this determination, if the arrangement of the component supply unit 21 has not been detected for all the position numbers in the component correspondence table, the process returns to step S33 again and step S3.
Repeat 3 to S37.

Then, in step S37, all the necessary component supply units 21 have all the component supply stages 14 and 1.
When it is arranged at 4 ', the processing is terminated.

[0032]

According to the present invention, a plurality of types of electronic components stored in a plurality of component supply units are identified, and each of the plurality of component supply units is arranged based on the identification. Since the correct position is automatically indicated, it is possible to quickly place multiple component supply units at the correct position on the component supply stage without error. Does not occur, and therefore the substrate unit manufacturing line is not stopped, and the working efficiency is improved. In addition, collate the product number of the component tape reel, the number of the component correspondence table, the position number of the component supply stage, etc.
Since it is not necessary to confirm, the installation work time is shortened and the work efficiency is increased accordingly.

[Brief description of drawings]

1A is a front perspective view of a component mounting apparatus according to an embodiment of the present invention, and FIG. 1B is a rear perspective view thereof.

2A is a perspective view of a component supply unit, and FIG. 2B is a partially enlarged view of a component supply stage.

FIG. 3 is an operation flowchart illustrating a processing operation in this embodiment.

FIG. 4A is a plan view of a conventional electronic component mounting apparatus, and FIG.
FIG.

[Explanation of symbols]

 10 component mounting device 11 main body base 12 safety cover 13, 13 'safety cover opening 14, 14' component supply stage 15, 15 'indicator light 16, 16' monitor device 17, 17 'operation panel 18, 19, 20 storage Part 21 Part Supply Unit 22 Part Tape Reel 22 22a Part 22b Part Tape 23 Reel Cassette 23a, 23a 'Positioning Pin 23b Fixing Rod 23b' Stator 14a, 14a 'Positioning Guide Hole 14b Fixing Hole

Claims (1)

[Claims] 1. An electronic component mounting apparatus in which a work head, which freely slides vertically and in a plane, holds an electronic component detachably and mounts the electronic component at a predetermined position on a printed circuit board. A plurality of supply means for storing a plurality of types of electronic components to be mounted on the substrate by type and supplying the stored electronic components to the working head; and a type of the electronic components stored in the plurality of supply means. An electronic component mounting apparatus comprising: an identifying unit for identifying; and an instructing unit for automatically instructing respective positions of the plurality of supplying units based on the identification result by the identifying unit. .