JPH11138367A - Attracting nozzle judging device, method, and attracting nozzle for electronic part mounting machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically perform the action of mounting and replacing an attracting nozzle by providing an attracting nozzle mounting information management data memorizing means for preserving and managing attracting nozzle mounting information obtained by an attracting nozzle mounting information recognizing means. SOLUTION: When an existing attracting nozzle 7 is placed in a normal condition, an attracting nozzle mounting information recognizing means 14 judges the form of the attracting nozzle 7, based on the pattern of a region in an inherent mark attached to the nozzle 7. When the form of the nozzle 7 is judged as the normal nozzle 7 registered and scheduled to be used, a signal showing keeping the attracting nozzle, and the picture image information signal of the inherent mark, are sent to an attracting nozzle mounting information management data memorizing means 15, to prepare the management data for the form information of the nozzle 7, and is managed as the newest data in a mounting machine.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suction nozzle judging device for an electronic component mounting machine and a method thereof, and a suction nozzle for an electronic component mounting machine used in the industry of assembling and mounting electronic components.

[0002]

2. Description of the Related Art In the industry where electronic parts such as chip parts and IC parts are mounted on a printed circuit board, the processing is as follows.
Continuous automation is common, and a plurality of electronic components of various types are mounted on a printed circuit board by suction nozzles.

[0003] Each time the type of electronic component changes, a suction nozzle for sucking the electronic component is selected in accordance with the change, and the electronic component is exchanged and mounted on a mounting head.

Accordingly, the suction nozzle is prepared in advance in a nozzle changer or the like in accordance with the type of electronic component to which various kinds of suction holes having different inner diameters and suction tip shapes are mounted.

[0005] In these preparatory work, an operator (operator) places a plurality of necessary nozzles on a nozzle changer,
In addition, necessary nozzles are attached to a plurality of mounting heads, respectively.

[0006] Each suction nozzle provided in the nozzle changer and the mounting head has management data, such as the mounting or storage position and the type of suction nozzle, input to the control means as control parameters by an operator.

However, since this operation is performed manually by an operator (operator), when a wrong nozzle other than the desired suction nozzle is attached to the mounting head due to a mistake in mounting, mounting, or setting the suction nozzle. However, with this suction nozzle, electronic components cannot be sucked, or the sucked electronic components cannot be accurately recognized by a sensor or the like, and furthermore, the suction force of the electronic components may be affected by a difference in nozzle diameter. Incorrect mounting on the printed circuit board.

In the worst case, the suctioned electronic component is dropped during transportation to damage or lose the electronic component, or the suction nozzle of a different size or the like attached to the mounting head is operated during operation. It interferes with other objects and damages the mounting machine itself. And other various problems.

[0009]

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems. A plurality of suction nozzles of a large number of products are photographed by image pickup means, and the current position of the photographed suction nozzles is measured. By recognizing and storing the nozzle type and the nozzle type based on all the obtained image information and generating the mounting information management data of the suction nozzles, it is possible to reliably determine the type of each suction nozzle. It is possible to automatically create mounting information management data for each suction nozzle, eliminate human errors in mounting and replacing suction nozzles, and improve the reliability during production for electronic component mounting machines. An object of the present invention is to provide a nozzle determination device and method, and a suction nozzle for an electronic component mounting machine.

[0010]

Means of the present invention for achieving the above-mentioned object is to select a suction nozzle type according to the type of electronic component, attach the suction nozzle to a mounting head, and use the suction nozzle. In an electronic component mounting machine for holding and mounting the electronic component on a printed circuit board, the mounting head can be detachably mounted to a large number of mounting positions on a holding body provided at an appropriate position on the body, and to the mounting head. Imaging means for photographing the upper surface of the attached suction nozzles individually for each of the nozzles; image information storage means for storing image information of the suction nozzles obtained by the imaging means;
Suction nozzle mounting information recognizing means for reading predetermined image information from among the plurality of image information and recognizing mounting information of the unique suction nozzle, and suction nozzle mounting information obtained by the suction nozzle mounting information recognizing means. And a suction nozzle mounting information management data storage means for storing and managing the data.

[0011] Further, a suction nozzle type corresponding to the type of electronic component is selected, and the suction nozzle is attached to a mounting head.
An electronic component mounting machine that holds the electronic component by the suction nozzle and mounts the electronic component on a printed circuit board, wherein a plurality of types of suction nozzles that can be detachably mounted to a plurality of mounting positions on a holding body provided at an appropriate position on the machine body; Imaging means for individually photographing the upper surface of the plurality of types of suction nozzles attached to the mounting head, imaging means provided on the body for photographing the lower surface of the suction nozzle attached to the mounting head, and these imaging means Image information storage means for storing the obtained image information of the suction nozzles; and suction nozzle mounting information recognition for reading out predetermined image information from the plurality of image information and recognizing the mounting information of the unique suction nozzles. Means for storing suction nozzle mounting information management data for storing and managing the suction nozzle mounting information obtained by the suction nozzle mounting information recognizing means. A means and, in the configuration of the electronic component mounting apparatus for the suction nozzle determination device that gave equipped with.

[0012] A plurality of suction nozzles are selectively used in a plurality of types provided on a plurality of mounting heads and a holder having a plurality of mounting positions, and a printed circuit board of an electronic component to which the suction nozzles have been sucked. In the mounting on the top, each of the suction nozzles is photographed by an image pickup means, and the current position of the photographed suction nozzle and its nozzle type are recognized and stored based on all the obtained image information. And a suction nozzle determination method for an electronic component mounting machine that generates mounting information management data of a suction nozzle.

[0013] Further, in the type determination of a plurality of suction nozzles in a large number of types by the imaging means, a different unique mark which can be photographed by the imaging means is provided on the upper surface of the flange of each suction nozzle. In the configuration of the suction nozzle.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a suction nozzle judging device and method for an electronic component mounting machine according to the present invention and an embodiment of a suction nozzle for an electronic component mounting machine will be described with reference to the drawings.

In FIGS. 1 and 2, W represents a chip component or I
An electronic component mounter that receives an electronic component b such as a C component from a supply unit m provided at an appropriate position of the machine body 1, transfers the electronic component b to a mounting unit n, and mounts the electronic component b at a plurality of appropriate positions at predetermined positions on a printed circuit board c. A plurality of electronic components b of various types are mounted on the board c by suction nozzles 7.

The schematic structure of the electronic component mounter W is such that the electronic component mounter W is driven by the reciprocating means 2 to move in the Y-axis direction (front-back direction).
And a moving means 4 provided on the moving body 3
The movable body 5 is basically constituted by a movable body 5 driven in the X-axis direction (horizontal direction) and one or a plurality of mounting heads attached to the movable body 5.

A suction nozzle 7 for suction-holding the upper surface of the electronic component b is engaged with the mounting head 6 by a lifting means 8 so as to be able to move up and down, and a rotating means 9 moves the Z-axis (vertical axis) direction. It is rotatable as the center,
The advancing / retreating means 2, the moving means 4, the elevating means 8 and the rotating means 9 are operated by a numerically controllable servomotor or the like connected to the control means 10 so as to be positioned with high accuracy.

Before mounting the electronic component by the electronic component mounting machine W, each time the type of the electronic component b changes, the suction nozzle 7 for sucking the electronic component b is selected in accordance with the change. 6 is replaced and attached.

Therefore, the suction nozzle 7 is mounted on a holding body 11 previously provided at an appropriate position of the body 1 in accordance with the type of electronic component to be mounted, in which various kinds of suction nozzles having different inside diameters and suction tip shapes are used. It is provided so as to be detachable from the holder 11.

The control means 10 is connected to the means 12, 13, 14, 15 described later and the respective means 2, 4, 8, 9 and the like, and the suction nozzle 7
A conventional computer provided with a storage unit, a calculation unit, and the like is used, and a program necessary for component mounting is input in advance.

The suction nozzle determination device A for an electronic component mounting machine according to the embodiment of the present invention includes a suction nozzle 7, a movable imaging means 12, an image information storage means 13, a suction nozzle mounting information recognition means 14, It is basically constituted by the suction nozzle mounting information management data storage means 15.

As shown in FIG. 3, the suction nozzle 7 is provided with a shaft portion 7a detachably attached to the mounting head 6 and a lower portion of the shaft portion 7a. And a suction portion 7c of the electronic component b provided below the flange 7b in a stable manner. An intake hole 7d is provided.

The receiving portion 11a of the holder 11 is provided with at least the number of suction nozzles 7 necessary for mounting electronic components on one printed circuit board c.

On the upper surface of the flange 7b of the suction nozzle 7, there is provided a unique marker 20 which stores data such as the type of the suction nozzle 7 which can be photographed by the movable imaging means 12 of the imaging means described later. Have been.

The unique marker 20 is easily used in the form of a seal formed concentrically with the flange 7b. As shown in FIG.
2 and this area 22 is painted in black and white as illustrated in FIGS. (B) to (d), so that a number of different identifications, that is, 256 types (actually, Since all white and all black in the eight areas 22 are likely to be inferiorly recognized by the movable imaging unit 12, which will be described later,
(Species) identification is expressed.

The movable image pickup means 12 is attached to an appropriate position of the mounting head 6 and moves integrally with the mounting head 6. The movable imaging means 12 includes a plurality of movable imaging means 12 supported by the receiving portions 11 a at predetermined positions of the holder 11. The upper surface of the suction nozzle 7, that is, the unique marker 20 is photographed individually for the nozzle 7, and for example, a CCD camera or the like is used.

The image information storage means 13 stores the image information of the unique marker 20 in the suction nozzle 7 obtained by the movable imaging means 12, and as shown in FIG. The image information is input to the image memory unit which is the image information storage unit 13.

The above-mentioned suction nozzle mounting information recognizing means 14
Reads out predetermined image information from a large number of pieces of image information and recognizes mounting information such as seven kinds of unique suction nozzles. As shown in FIG.
The image processing device 25 includes the P unit 18 and the image information storage unit 13 and the suction nozzle mounting information recognition unit 14.

The suction nozzle mounting information management data storage means 15 stores and manages the suction nozzle mounting information obtained by the suction nozzle mounting information recognizing means 14, and uses a conventional computer. ,
It is connected via an external interface unit 19.

The operation of the first embodiment and the method according to the present invention configured as described above will be described.

In this embodiment, the type is determined for the suction nozzles 7 of various types in which a plurality are mounted on the holding body 11 of the machine body 1. As shown in FIG. 1 and FIG. The suction nozzle 7 corresponding to the type of electronic component b to be mounted on the printed circuit board c is placed on the holder 11.

The operation will be described below with reference to the flowchart shown in FIG.

Then, the photographing center position of the movable imaging means 12 mounted on the mounting head 6 (or the movable body 5) is set to the mounting head 6 of the suction nozzle 7 mounted on the holding body 11.
The coordinate position of the X and Y axes is transmitted to the image processing device 25 or the control means 10 in accordance with the movement of the movable body 5. You.

As shown on the right side in FIG. 5, the image information of the unique marker 20 provided on the suction nozzle 7 is picked up by the movable image pickup means (CCD camera) 12.

Then, the movable imaging means 12 detects whether or not the suction nozzle 7 is mounted on the holding body 11, and the image information storage means 13 stores the image information. This is sent to the suction nozzle mounting information recognizing means 14 to determine the presence or absence of the suction nozzle 7. If the suction nozzle 7 is present and is mounted in a normal state, the suction nozzle mounting information recognizing means 14 The type of the suction nozzle 7 is determined based on the pattern of the area 22 in the unique mark 20 attached to the suction nozzle 7.

The information of the unique marker 20 of each suction nozzle 7 is input in advance to the suction nozzle mounting information recognizing means 14, and this information and the information of the image information storage means 13 from the movable imaging means 12 are stored. The signal is compared with the signal.

At this time, the suction nozzle mounting information recognition means 1
When the movable imaging means 12 determines that there is no suction nozzle 7 on the holding body 11, the signal is sent to the suction nozzle mounting information management data storage means 15, and the suction is performed. The management data without the nozzle 7 is created (or updated).

In addition, the suction nozzle mounting information recognizing means 14 does not determine that the suction nozzle 7 is absent, but the suction nozzle mounting information recognizing means 14 determines that a foreign substance or the like is placed on the receiver 11a or the center position of the receiver 11a. When an abnormality (determination of a foreign object) such as when the coordinates are wrong due to a malfunction or the like on the control means 10 is determined, an error is displayed by an alarm (voice, light emission, image, etc.) means to notify the operator (operator). .

Next, when it is normally determined that the type of the suction nozzle 7 is the suction nozzle 7 which is registered in advance and is to be used, a signal indicating that the suction nozzle 7 is present, and The image information signal is sent to the suction nozzle mounting information management data storage means 15 to create (or update) the management data of the type information of the suction nozzle 7 and is managed as the latest data in the mounting machine W. Prepare for the operation such as the selection at the time.

At this time, if the type is not determined to be normal, that is, if the suction nozzle 7 is not registered in advance and is placed in a state where the suction nozzle 7 is not in a normal state, for example, the upper and lower sides of the suction nozzle 7 When it is placed upside down, etc., it is determined that there is no suction nozzle 7 and an error (voice, light emission, image, etc.) is displayed as an error to notify the operator (operator).

This step is one cycle of the judging operation for one suction nozzle 7, and the same step is performed for all the remaining suction nozzles 7 mounted on the receiver 11a of the holding body 11.

Thus, the type of the suction nozzle 7 placed on the receiver 11a of the holder 11 is changed to the specified receiver 1
Since all the data are automatically generated as management data in accordance with the position 1a, when the electronic component b is mounted on one printed circuit board c, the type of the electronic component is changed in accordance with the program of the control means 10 (type change). ), The suction nozzle mounting information management data storage means 15 associated with the control means 10 issues a signal, and the control means 10
, The mounting head 6 is moved to a proper position of the receiver 11a of the holding body 11, and the suction nozzle 7 that matches the program is selected and gripped.

At this time, the suction nozzle 7 is attached to the holder 1
This information is also placed on one empty receiver 11a, and this information is also input to the suction nozzle mounting information management data storage means 15, where management data is created (or updated) and managed as the latest data.

This operation is performed by moving the movable imaging means 12 to the unique marker 20 of the suction nozzle 7 placed on the empty receiver 11a.
By obtaining the image information and passing through the image information storage unit 13, the suction nozzle mounting information recognizing unit 14, and the suction nozzle mounting information management data storage unit 15, the latest management data of the suction nozzle 7 is similarly created (or Update) is performed, and it is possible to automatically follow a change in the mounting position of the receiving body 11a of the holding body 11 of the suction nozzle 7 due to the mounting of the electronic component b, and the manual operation of the operator It is not necessary to re-input the suction nozzle 7 information to the control means 10 and the like due to this.

Next, an apparatus and a method according to a second embodiment of the present invention will be described.

In this embodiment, a plurality of kinds of suction nozzles 7 mounted on the holding body 11 of the machine body 1 and the suction nozzles 7 respectively mounted on the plurality of mounting heads 6 of the movable body 5 are described. To determine the variety.

The basic configuration of the apparatus A according to the embodiment of the present invention is the same as that of the first embodiment, and the description of the same configuration will be omitted. That is, a different configuration of the present embodiment is different from the movable imaging unit 12 in that the fixed imaging unit 3
It is a point having 0.

The fixed image pickup means 30 is provided at an appropriate position of the machine body 1 of the mounting machine W, and the shape or outer diameter of the suction portion 7c at the tip of the suction nozzle 7 attached to the mounting head 6, the suction hole 7d The image information is transmitted to the image information storage means 13.

Note that the shape of the suction portion 7c of each suction nozzle 7 (which differs individually depending on the type and shape of the electronic component b) or the outer diameter and the unique identification information that is the inner diameter of the suction hole 7d are previously determined by suction. Nozzle mounting information recognition means 1
4 has been entered.

Therefore, as shown in FIGS. 1 and 2, the suction nozzle 7 corresponding to the type of electronic component b to be mounted on the printed circuit board c is previously mounted on the holder 11, and the plurality of mounting heads 6 ( A plurality (four in FIG. 1) of suction nozzles 7 of different varieties are attached to four nozzles in FIG.

First, when the type of the suction nozzle 7 mounted on the receiver 11a of the holding body 11 is determined, the movable imaging means 12 mounted on the mounting head 6 (or the movable body 5) is used. The photographing center position is moved almost directly above the gripping center of the suction nozzle 7 placed on the holding body 11 in the mounting head 6, and the moved specified position is associated with the movement of the movable body 5. The coordinate values of the X and Y axes are transmitted to the image processing device 25 or the control means 10.

As shown on the right side in FIG. 5, the image information of the unique marker 20 provided on the suction nozzle 7 is imaged by the movable imaging means (CCD camera) 12.

Then, the movable imaging means 12 detects whether or not the suction nozzle 7 is mounted on the holding body 11, and the image information storage means 13 stores the image information. This is sent to the suction nozzle mounting information recognizing means 14 to determine the presence or absence of the suction nozzle 7. If the suction nozzle 7 is present and is mounted in a normal state, the suction nozzle mounting information recognizing means 14 The type of the suction nozzle 7 is determined based on the pattern of the area 22 in the unique mark 20 attached to the suction nozzle 7.

The information of the unique marker 20 of each suction nozzle 7 is input to the suction nozzle mounting information recognizing means 14 in advance, and the information is stored in the image information storage means 13 from the movable imaging means 12. The signal is compared with the signal.

At this time, the suction nozzle mounting information recognition means 1
When the movable imaging means 12 determines that there is no suction nozzle 7 on the holding body 11, the signal is sent to the suction nozzle mounting information management data storage means 15, and the suction is performed. The management data without the nozzle 7 is created (or updated).

In addition, the suction nozzle mounting information recognizing means 14 does not determine that the suction nozzle 7 is absent, but the suction nozzle mounting information recognizing means 14 determines that a foreign substance or the like is placed on the receiver 11a or the center position of the receiver 11a. When an abnormality (determination of a foreign object) such as when the coordinates are wrong due to a malfunction or the like on the control means 10 is determined, an error is displayed by an alarm (voice, light emission, image, etc.) means to notify the operator (operator). .

Next, when it is normally determined that the type of the suction nozzle 7 is the suction nozzle 7 to be used which has been registered in advance, a signal indicating the presence of the suction nozzle 7 and The image information signal is sent to the suction nozzle mounting information management data storage means 15 to create (or update) the management data of the type information of the suction nozzle 7 and is managed as the latest data in the mounting machine W. Prepare for the operation such as the selection at the time.

In this case, if the type is not a normal type determination, that is, if the suction nozzle 7 is not registered in advance and is not in a normal state, or if the suction nozzle 7 is placed in an abnormal state, for example, When it is placed upside down, etc., it is determined that there is no suction nozzle 7 and an error (voice, light emission, image, etc.) is displayed as an error to notify the operator (operator).

Hereinafter, description will be made with reference to the flowchart shown in FIG.

When the type of each suction nozzle 7 attached to the mounting head 6 is determined, the mounting head 6 holds the suction nozzle 7 above the photographing center position of the fixed imaging unit 30 which is the imaging unit fixed to the body 1. The moving position of the suction nozzle 7 is moved, and the moved position of the moving nozzle 5 (ie, the mounting head number or the like) is represented by the coordinate values of the X and Y axes along with the movement of the movable body 5. 25 or transmitted to the control means 10.

Then, as shown on the left side in FIG. 5 and as shown in FIG. 8, the specific information of the suction nozzle 7 is imaged by the fixed imaging means (CCD camera) 30.

Then, the fixed image pickup means 30 detects whether or not the suction nozzle 7 is attached to the mounting head 6, and the image information storage means 13 stores the image information. It is sent to the nozzle mounting information recognizing means 14 to determine the presence or absence of the suction nozzle 7. If the suction nozzle 7 is present and is mounted on the mounting head 6 in a normal state, it is mounted on the mounting head 6. The unique information such as the shape or outer diameter of the suction portion 7c at the tip of the suction nozzle 7 and the inner diameter of the suction hole 7d is compared with the signal of the image information storage means 13 from the movable imaging means 12 described above. The suction nozzle mounting information recognition means 14
Is based on the unique information of the suction nozzle 7.
Is determined.

At this time, if the movable imaging means 12 determines that the mounting head 6 does not have the suction nozzle 7, this signal is sent to the suction nozzle mounting information management data storage means 15 to create management data without the suction nozzle 7 ( Or update).

The suction nozzle mounting information recognizing means 14 does not determine whether or not the suction nozzle 7 is normal, but detects when a foreign substance is attached to the mounting head 6 or when the fixed imaging means 30 is used.
When the center position coordinate of the control unit 10 is determined to be abnormal (determined as a foreign object) such as when it is wrong due to an erroneous operation on the control unit 10, an error (voice, light emission, image, etc.) is displayed as an error and the operator (operator) is notified Notice.

Then, the type of the suction nozzle 7 is
If it is determined in advance that the suction nozzle 7 to be used is registered in advance, the signal indicating that the suction nozzle 7 is present and the image information signal of the unique identification information of the suction nozzle 7 are stored in the suction nozzle mounting information management data. The data is sent to the storage means 15 to create (or update) the management data of the type information of the suction nozzle 7 and is managed as the latest data in the mounting machine W to prepare for an operation such as selection when the suction nozzle 7 is replaced.

In this case, if the type is not determined to be normal, that is, if the suction nozzle 7 is not registered in advance and the suction nozzle 7 is not in a normal state, for example, the suction nozzle 7 is turned upside down. When it is attached in such a manner as described above, it is determined that the suction nozzle 7 is not present, and an error (voice, light emission, image, etc.) is displayed to notify an operator (operator) of an error.

The step of judging the holding body 11 side and the mounting head 6 side is one cycle of the judging operation for one suction nozzle 7, and all the remaining suctions placed on the receiver 11a of the holding body 11 are performed. The same process is performed on the nozzle 7 and all the remaining suction nozzles 7 attached to the plurality of mounting heads.

As a result, the type of the suction nozzle 7 mounted on the receiver 11a of the holder 11 and the type of the suction nozzle 7 mounted on the mounting head are determined by the specified mounting head 11a and the specified mounting head. All are automatically generated as management data corresponding to the six positions.

Therefore, when the electronic component b is mounted on one printed circuit board c, even if the suction nozzle 7 is exchanged due to the type change (type change) of the electronic component according to the program of the control means 10, According to a signal from the suction nozzle mounting information management data storage means 15 associated with the control means 10, the mounting head 6 is moved to an appropriate position of the receiver 11 a of the holding body 11 via the control means 10, and the program matches the program. The suction nozzle 7 is selected and held, or the suction nozzle 7 of the plurality of mounting heads 6 provided on the movable body 5 is issued a selection command,
Suction nozzle 7 of mounting head 6 that matches the program
Correspond to the supply unit m.

At this time, when the suction nozzle 7 provided on the holder 11 is selected, the suction nozzle 7 mounted on the mounting head 6 is placed on the empty receiver 11a of the holder 11. This information is also input to the suction nozzle mounting information management data storage means 15 to create (or update) the management data, and is managed by the means 15 as the latest data.

Note that this replacement operation is performed by the movable imaging unit 12.
Obtains image information of the unique marker 20 of the suction nozzle 7 placed on the empty receiver 11a, and goes through the image information storage means 13, suction nozzle mounting information recognition means 14, and suction nozzle mounting information management data storage means 15. Similarly, the latest management data of the suction nozzle 7 is created (or updated), and the change of the mounting position of the receiver 11a of the holding body 11 of the suction nozzle 7 due to the mounting of the electronic component b is performed. Therefore, it is not necessary to manually input the information of the suction nozzle 7 to the control means 10 or the like manually by the operator.

[0072]

As described above, the present invention relates to the mounting of an electronic component sucked by a suction nozzle on a printed circuit board.
The suction nozzle is photographed by the imaging means, and the current position of the photographed suction nozzle and its nozzle type are recognized and stored based on all the obtained image information, and the mounting information management data of the suction nozzle is generated. By doing so, the type of the suction nozzle can be reliably determined, and the mounting information management data of the suction nozzle is automatically created. Since the operation of mounting and replacing the nozzle can be automatically performed and human error can be prevented, the reliability of production in mounting electronic components on a printed circuit board is greatly improved.

Since the management of each suction nozzle and its current position are sequentially performed, even when handling various kinds of suction nozzles, the management becomes possible and easy.
Since there is no error in mounting / attaching the suction nozzle to the mounting head, there is no accident or damage to articles caused by this.

In particular, since a unique mark is provided on the upper surface of the flange of the suction nozzle, image recognition by the movable imaging means is made reliable and easy, and the reliability as management information is improved. And so on.

[Brief description of the drawings]

FIG. 1 is a plan view schematically showing an embodiment of an apparatus employing a method according to the present invention.

FIG. 2 is a side view showing a main part of the mounting device in FIG.

FIG. 3 is a perspective view showing an example of a suction nozzle used in the mounting machine shown in FIG. 1;

FIG. 4 is an explanatory diagram showing a unique marker attached to the suction nozzle in FIG. 1;

FIG. 5 is a block diagram of an apparatus employed in a method according to an embodiment of the present invention.

FIG. 6 is a flowchart showing a first embodiment according to the present invention.

FIG. 7 is a flowchart showing a second embodiment according to the present invention.

8 is a side view schematically showing the apparatus shown in FIG.

[Explanation of symbols]

 b Electronic component c Printed circuit board W Electronic component mounter 1 Body 6 Mounting head 7 Suction nozzle 7b Flange 11 Holder 12, 30 Imaging means 13 Image information storage means 14 Suction nozzle mounting information recognition means 15 Suction nozzle mounting information management data storage means 20 unique signs

Claims (4)

[Claims] An electronic component mounting machine for selecting a suction nozzle type according to an electronic component type, attaching the suction nozzle to a mounting head, holding the electronic component by the suction nozzle, and mounting the electronic component on a printed circuit board. A plurality of suction nozzles which can be freely attached to and detached from a plurality of mounting positions on a holder provided at an appropriate position of the machine body; and an imaging means for individually photographing the upper surfaces of the plurality of suction nozzles attached to the mounting head. Image information storage means for storing the image information of the suction nozzle obtained by the imaging means; and reading out predetermined image information from the plurality of pieces of image information to recognize the mounting information of the unique suction nozzle. Suction nozzle mounting information recognizing means, and suction nozzle mounting information for storing and managing the suction nozzle mounting information obtained by the suction nozzle mounting information recognizing means. Management data storage means and the electronic component mounting apparatus for the suction nozzle determination device is characterized in that let equipped with. 2. An electronic component mounting machine which selects a suction nozzle type according to an electronic component type, mounts the suction nozzle on a mounting head, holds the electronic component by the suction nozzle, and mounts the electronic component on a printed circuit board. A plurality of suction nozzles which can be freely attached to and detached from a plurality of mounting positions on a holder provided at an appropriate position of the machine body; and an imaging means for individually photographing the upper surfaces of the plurality of suction nozzles attached to the mounting head. Imaging means provided on the body for photographing the lower surface of the suction nozzle attached to the mounting head; image information storage means for storing image information of the suction nozzle obtained by these imaging means; and the plurality of images Suction nozzle mounting information recognizing means for reading predetermined image information from the information and recognizing the mounting information of the unique suction nozzle; Distribution recognizer electronic component mounting apparatus for the suction nozzle determination device is characterized in that let a suction nozzle attached information management data storage means for storing and managing the suction nozzle mounting information obtained by. 3. A printed circuit board of an electronic component to which a plurality of suction nozzles are selectively used in a plurality of types provided on a plurality of mounting heads and a holder having a plurality of mounting positions, and the suction nozzles suction the nozzles. In the mounting on the top, each of the suction nozzles is photographed by an imaging means, and the current position of the photographed suction nozzle and its nozzle type are recognized and stored based on all the obtained image information. A suction nozzle determination method for an electronic component mounting machine, which generates mounting information management data of a suction nozzle. 4. A method for judging the type of a plurality of suction nozzles in a plurality of types by an image pickup means, wherein different unique marks which can be photographed by the image pickup means are provided on the upper surface of the flange of each of the suction nozzles. Suction nozzle for electronic component mounting machines.