JPH0555792A - Electronic component mounter component feeder - Google Patents

Abstract

(57) [Summary] [Purpose] By reading the parts information of the parts cassette on the parts supply table in the standby position and immediately placing the parts cassette in the parts mounting position, it is possible to reduce the mounting work stop time. (EN) Provided is a component supply device for an electronic component mounter with a high operating rate. [Structure] A plurality of component supply bases 8 installed on the guide rails 9 of the component supply unit 5 and individually movable between a component supply position and a standby position, and the names, quantities, and the like of the possessed components.
A number of parts cassettes 10 each having a parts information storage means for storing parts information such as characteristics and installed side by side on each parts supply table 8 and a guide rail 9 above the parts supply table 8 at the standby position. And a component information reading means 32 for reading the component information from the component information storage means of the parts cassette 10, which is movably installed along the direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component supply device for an electronic component mounting machine, and more particularly to a component supply device equipped with a means for grasping information on the components of a large number of parts cassettes.

[0002]

2. Description of the Related Art In an electronic component mounting machine, parts cassettes having component tapes mounted thereon are mounted side by side in a predetermined order in a component supply section, and at the time of component mounting, the parts cassettes are sequentially placed in the component removal position according to the order of the mounted components. The mounting head is removing the parts from the parts cassette. The above is described with reference to the drawings. FIG. 6 is a perspective view of an electronic component mounter, and 1 is a component mounter main body, and a board positioning portion 2 for positioning a board to be mounted on the front part thereof.
A board supply means 3 for supplying and discharging the board, a discharge means 4 for the board, and a component supply section 5 for the rear part. Reference numeral 32 is a component information reading means described later. Between the board positioning unit 2 and the component supply unit 5, a rotary mounting head 6 for picking up the component by the component supply unit 5 and mounting the component on the board by the substrate positioning unit 2 is arranged as shown in FIG. There is. In the component supply unit 5, two component supply bases 8 each independently movable on the guide rail 9 in the left-right direction are arranged with a large number of parts cassettes 10 arranged side by side in the movement direction. Then, while one component supply table 8 is supplying components, the other component supply table 8 is at the standby position for exchanging the parts cassette 10 and replenishing the parts so that the component mounter can work without rest. I'm preparing.
For this preparatory work, it is necessary to always accurately grasp the information such as the remaining amount of parts held by each parts cassette. For this reason, the applicant has previously proposed a system for grasping the component information of a parts cassette in Japanese Patent Application No. 2-250908, which will be described below as a conventional example in the present invention. FIG. 8 is a side view of the parts cassette 10 attached to the component mounter 1. The parts information storage means 21 is provided for storing the parts information such as the parts name and the number of parts held and rewriting the stored contents. And
The permanent magnet 26 is attached to the swing lever 18 that swings in conjunction with the operation of taking out the component from the parts cassette 10, and the detection means 27 for detecting the movement of the permanent magnet 26 due to the operation of taking out the component is provided. The component holding number stored in the component information storage means 21 is subtracted based on the detection signal from
This component information is arbitrarily read by the component information reading means 32 provided in the component mounter 1. According to such a part information grasping system, the remaining number of parts of each parts cassette 10 can be read from the parts information storage means 21 when necessary, the operation stop due to an unexpected part shortage can be eliminated, and the operation rate can be improved. The work of inputting component information to the control unit of the mounting machine is facilitated and there is no risk of erroneous input. In addition, mistakes in the mounting position of the parts cassette can be easily checked, and erroneous mounting due to mistakes in the mounting position can be prevented.

[0003]

In the component mounter equipped with the component information grasping system described above, the component information reading means 32 for reading the stored contents of the component information storage means 21.
Is fixedly provided on the side portion of the main body 1 on the component supply unit 5 as shown in FIG. However, in that case, after replacing the parts cassette 10 on the parts supply table 8 at the standby position, the replaced parts cassette 10 is confirmed until the parts supply table 8 moves under the parts information reading means 32. If it is not possible to replace the parts cassette 10 by mistake, it is necessary to return the parts supply table 8 to the standby position again and replace the parts cassette 10 again.

The present invention is to solve the above-mentioned conventional problems, and provides a component supply device having a component information grasping system for reading the component information of the component cassette on the component supply table at the standby position and realizing a high operation rate. The purpose is to provide.

[0005]

SUMMARY OF THE INVENTION To achieve the above object, a component supply device for an electronic component mounter according to the present invention is installed on a guide rail of a component supply section, and a component supply position and a standby position are provided on the guide rail. It has a plurality of component supply bases that can be individually moved between the respective parts, and a component information storage unit that stores component information such as the names, quantities, and characteristics of the components that are held, and is installed side by side on each component supply base. A large number of parts cassettes and a parts information reading means for reading the parts information from the parts information storage means of the parts cassette, which is installed above the parts supply table at the standby position so as to be movable along the direction of the guide rails. ing. In a practical form, the part information storage means is a rewritable storage means, and the number of parts stored in the part information storage means of the parts cassette is rewritten each time a part is taken out from the parts cassette. The parts cassette is equipped with processing calculation means.

[0006]

[Operation] By reading the part information of the parts cassette on the parts supply table at the standby position, it is possible to check the number of parts and the mounting error of the parts cassette so that the parts cassette can be immediately attached to the parts mounting position. You can

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram for explaining the configuration of the component supply apparatus of the present invention, in which 1 is a component mounter, the configuration of which is almost the same as that described in the conventional example with reference to FIGS. Have the same number. A board on which a component is to be mounted is provided at a predetermined component mounting position C on the front of the component mounter 1.
A substrate positioning unit 2 for positioning the substrate, a substrate supplying unit 3, and a substrate discharging unit 4 are provided. A component supply unit 5 is arranged at the rear of the component mounter 1, and a rotary unit for picking up a component between a board positioning unit 2 and a component supply unit 5 at a component pick-up position A and mounting a component on a board at a component mounting position C. A mounting head 6 of the type is arranged. The component supply unit 5 is provided with a pair of component supply bases 8 that are individually movable on the guide rails 9. A plurality of parts cassettes 10 are installed side by side on each parts supply table 8
The parts cassette 10 can be moved to the parts pick-up position A by moving. The guide rail 9 is set to a length such that one of the component supply bases 8 can supply the component while the other component supply base 8 can stand by at the left or right standby position. Further, on the upper part of the standby position of the component supply table 8, as will be described later in detail, movable component information reading means 3 is provided.
2 are provided.

As shown in FIG. 3, a parts tape 13 is attached to the parts cassette 10, and the parts tape 13
The reel is provided with a bar code 14 indicating a serial number for identification, a part name, an initial number of parts to be held, characteristics of parts such as resistance value and capacitance, and the like. The parts cassette 10 is provided with a reel mounting portion 15 for mounting the component tape 13 on the rear portion thereof, and a feeding portion 16 for intermittently feeding the component tape 13 to the front end portion to sequentially move the components to the component take-out position A.
However, a winding portion 17 for winding the cover tape of the component tape 13 and a swing lever 18 having a permanent magnet 26 attached to the end portion that drives the feeding portion 16 are provided behind it. Clamping means 19 for setting the parts cassette 10 in the component mounting machine 1 is provided behind the winding section 17, and a recording processing means 20 is provided between the winding section 17 and the clamping means 19. There is. As shown in FIG. 4, the recording processing means 20 reads the component information such as the component name, the quantity to be retained and the component characteristics of the component tape 13, and stores the component information in a writable manner, and detects the component removal operation. The detection means 22 and the processing operation means 23 which subtracts 1 from the stored quantity stored in response to the extraction detection signal input from the detection means 22 and writes the value in the storage means 21.
And the stored information of the storage means 21 via the processing operation means 23, the component information reading means 32 provided in the component mounter 1.
A transmission / reception means 24 for transmitting / receiving data to / from the reading / writing means is provided.

FIG. 5 shows a specific configuration example of the recording processing means 20.
Will be explained. The detection means 22 is constituted by a reed switch 27 which is a detection means arranged to detect the approaching movement of the permanent magnet 26 (see FIG. 3) attached to the end portion of the swing lever 18, and the processing calculation means. 23 and storage means 2
1 is composed of a circuit board 30 on which an IC 28 constituting the main part thereof and other electronic components 29 are mounted, and a transmitting / receiving means 24 is composed of a coil 31, which are arranged in a synthetic resin case 25 to form a unit. Has been converted. The component information reading means 32 disposed on the standby position of the component supply table 8 is movably disposed by a moving mechanism as shown in FIG. 2 (and FIG. 1). That is, the parts supply table 8
A guide shaft 33 is disposed above the standby position of the, and a movable member 34 that is movable along the guide shaft 33 is provided.
The reading means 32 is attached to the movable member 34. The movable member 34 is connected to a linear body 35 that contains a signal line that is connected to the reading means 32. The linear body 35 is wound around a position detection pulley 36 that incorporates an encoder or the like, and a drive motor 37. The reading means 32 is wound around a winding drum 38 which is driven by a drive motor 37 by driving a position detection signal from a position detection pulley 36 so that the reading means 32 can be positioned at an arbitrary position. ..

In the above configuration, when the component tape 13 is mounted on the parts cassette 10, the barcode 14 is read in advance by the barcode reader, and the data such as the component name, the component characteristic value and the holding quantity of the component tape 13 are read. Is read out from the parts database, and is read and written, and the storage means 2 of the recording processing means 20 of the parts cassette 10 is read.
These data are written in 1. When the operation of the component mounter 1 is started or the model of the board to be mounted is changed, the parts cassette 10 in which the predetermined component information is stored in the recording processing means 20 is mounted on the component supply table 8 at the standby position in a predetermined order. When the mounting of all the parts cassettes 10 is completed, the parts information reading means 32 is sequentially moved to read the respective parts names from the recording processing means 20 of each parts cassette 10, and the read parts names of the parts cassette 10 and the parts mounting machine 1 The name of the component at each mounting position stored in the control unit is compared to confirm whether or not each parts cassette is set at a predetermined position. During the component mounting work, the swing lever 18 swings each time a component is picked up, and a detection detection signal is output from the detection unit 22, and the number of held parts stored in the storage unit 21 is decremented by one each time. And then rewritten. Then, the component shortage check is performed at an appropriate time during the component mounting work. In this case, the component mounting table 8 during the mounting work is moved to the standby position, and at the same time, the standby component supply table 8 is moved to the mounting operation position, so that the component mounting work can be continued with almost no interruption. Then, the remaining parts number of each parts cassette 10 on the parts supply table 8 moved to the standby position is read by moving the parts information reading means 32 in the same manner as above, and the parts cassette 10 that needs to be replaced is replaced and further replaced. Parts cassette 10
The part name is read to check whether the proper parts cassette 10 has been mounted. Although the recording processing means 20 is used as the storage means in the above embodiment, the bar code 14 provided on the component tape 13 is used as the storage means, and a separately installed robot or the like is provided with a bar code reader to provide the parts. You may read the name.

[0011]

As is apparent from the above description, the component supply device for the electronic component mounter of the present invention reads the component information of the component cassette on the component supply table at the standby position to determine the number of components and the number of components. Since it is possible to maintain the parts cassette immediately at the component mounting position by checking the mounting error of the cassette, it is possible to shorten the down time of the mounting work and increase the operation rate of the electronic component mounting machine.

[Brief description of drawings]

FIG. 1 is a diagram illustrating a configuration of a component supply device according to the present invention.

FIG. 2 is a diagram illustrating a configuration of a moving mechanism of a component information reading unit of the component supply device of the present invention.

FIG. 3 is a side view of a parts cassette used in the parts supply device of the present invention.

FIG. 4 is a block diagram showing a configuration of recording processing means included in a parts cassette used in the parts supply device of the present invention.

FIG. 5 is a front view of recording processing means.

FIG. 6 is a perspective view of an electronic component mounter.

FIG. 7 is a diagram illustrating a configuration of a conventional component supply device.

FIG. 8 is a side view of a conventional parts cassette.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electronic component mounting machine 8 Component supply stand 9 Guide rail 10 Parts cassette 21 Component information storage means 23 Processing calculation means 32 Component information reading means

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Ya Hirai 1006 Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Satoshi Tanaka 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.

Claims (3)

[Claims] 1. A plurality of component supply stands installed on the guide rails of a component supply unit and individually movable on the guide rails between a component supply position and a standby position, and the names, quantities, characteristics, etc. of the possessed components. And a large number of parts cassettes that are installed side by side on each parts supply table and that have parts information storage means that stores the parts information of the parts, and move along the guide rails above the parts supply table at the standby position. A component supply device for an electronic component mounter, which includes a component information reading unit that is freely installed and that reads component information from a component information storage unit of a component cassette. 2. The component supply device for an electronic component mounter according to claim 1, wherein the component information storage means included in the parts cassette is a rewritable storage means. 3. The electronic device according to claim 1, wherein the parts cassette is provided with processing calculation means for rewriting the quantity of parts stored in the parts information storage means of the parts cassette each time a part is taken out from the parts cassette. Component supply device for component mounters.