JP2001024390A - Electronic component supply apparatus and method, and electronic component mounting machine - Google Patents

Abstract

(57) [Summary] To provide an electronic component supply device, an electronic component supply method, and an electronic component mounter in which an electronic component is not mounted on a workpiece in an incorrect mounting posture. SOLUTION: When mounting an electronic component 11 whose mounting direction is a problem when mounting it on a printed board 1, a detector 141 for detecting a mounting direction indicating section 151 of the electronic component is provided. It is determined whether or not the position direction of the electronic component mounting direction indicator is in the correct direction. Therefore, it is possible to prevent a problem that a large number of mounted members having electronic components in an incorrect mounting posture are produced as in the related art.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic component supply apparatus for supplying electronic components to be mounted on an electronic board such as a printed board, an electronic component supply method executed by the electronic component supply apparatus, and the above electronic device. The present invention relates to an electronic component mounter provided with a component supply device.

[0002]

2. Description of the Related Art In recent years, while there are a wide variety of types of electronic components, there is a strong demand for increasing the supply efficiency of electronic components and increasing the productivity of electronic substrates. Hereinafter, an example of a conventional electronic component supply device will be described with reference to FIG. FIG. 10 shows an electronic component mounter 20 including the conventional electronic component supply device 4. In the electronic component mounting machine 20, 1 is a printed circuit board, 2 is a board transfer device that holds the printed circuit board 1 when loading, unloading, and mounting components on the printed circuit board 1, and 3 is a reel-type electronic component supply device. 4 is a tray-type electronic component supply device, 5 is an XY robot, 6 is attached to the XY robot 5 and is movable in the X and Y directions, and has a component holding member 7 for holding the electronic components. The component holding device mounts electronic components held by the component holding members 7 from the electronic component supply devices 3 and 4 to mounting positions on the printed circuit board 1.

A tray type electronic component supply device 4 includes a plurality of tray plates 13 on which trays 12 are placed,
To be stored. Each tray 12 stores electronic components 11 whose mounting direction is defined in each of the partitions arranged in a grid, and the electronic component supply device 4 operates a tray plate that stores electronic components to be mounted. 13 is selected and pulled out from the storage unit 14 to the front of the storage unit by the drawer arm 15 to supply the electronic component 11. The electronic component 11 is held by the component holding device 6 and mounted on the printed circuit board 1. Although not shown, the electronic component supply device 4 includes a type provided with a take-out device for taking out the electronic components 11 from the tray 12 and arranging them on the pull-out arm 15.

[0004]

In the tray-type electronic component supply device 4 as described above, the electronic component 11 whose mounting orientation is defined is stored in the tray 12,
When the tray 12 is loaded on the tray plate 13 and the loading direction of the tray 12 is reversed with respect to the normal case due to a human error, the mounting posture of the electronic component 11 is:
It is the opposite of the normal case. The defect in the mounting posture can be confirmed only in a post-process of the mounting operation, and is found in the final inspection of the produced board. Therefore, there is a problem that a large number of printed boards 1 having the electronic components 11 in the wrong mounting posture are produced. SUMMARY An advantage of some aspects of the invention is to provide an electronic component supply device, an electronic component supply method, and an electronic component supply method in which an electronic component is not mounted on a workpiece in an incorrect mounting posture. It is an object of the present invention to provide an electronic component mounting machine provided with a device.

[0005]

According to a first aspect of the present invention, there is provided an electronic component supply apparatus comprising: a mounting direction instructing unit for instructing a mounting attitude direction of an electronic component when the electronic component is mounted on a material to be mounted; An electronic component supply device for mounting an electronic component on a flat tray and supplying the electronic component from the tray, the mounting direction indicating unit detecting the mounting direction indicating unit in the electronic component on the tray A detector and the mounting orientation direction of the electronic component on the tray obtained based on the mounting direction indicator detected by the mounting direction indicator detector are the true orientation of the electronic component on the tray. A control device for determining whether the direction is different from the direction.

According to a second aspect of the present invention, there is provided an electronic component supply method, comprising the steps of: mounting an electronic component on a member to be mounted; An electronic component supply method for supplying the electronic component from a placed flat tray, wherein the mounting direction indicator in the electronic component on the tray is detected, and based on the detected mounting direction indicator. It is characterized in that it is determined whether or not the obtained mounting orientation of the electronic component on the tray is different from the true orientation of the electronic component on the tray.

An electronic component mounting machine according to a third aspect of the present invention includes the electronic component supply device according to the first aspect.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An electronic component supply apparatus according to an embodiment of the present invention, an electronic component supply method executed by the electronic component supply apparatus, and an electronic component mounting machine equipped with the electronic component supply apparatus will be described. This will be described below with reference to the drawings. In the drawings, the same components are denoted by the same reference numerals. FIG. 1 shows an electronic component mounter 100 of the embodiment. The electronic component mounter 100 includes a tray-type electronic component supply device 104 corresponding to the electronic component supply device, a board transfer device 102, A reel-type electronic component supply device 103, an XY robot 105, a component holding device 106, and a control device 180 are provided. Here, the substrate transfer device 102 corresponds to the above-described substrate transfer device 2, the reel-type electronic component supply device 103 corresponds to the above-described electronic component supply device 3, and the XY robot 105.
Corresponds to the XY robot 5 described above, and the component holding device 106 corresponds to the component holding device 6 described above. Therefore,
These substrate transfer device 102, reel-type electronic component supply device 103, XY robot 105, and component holding device 106
Is omitted here. Therefore, hereinafter, the tray-type electronic component supply device 104 and the control device 180 will be described in detail.

As shown in FIG. 2, similarly to the conventional tray-type electronic component supply device 4, the electronic component supply device 104 includes a storage section 111, an elevating device 120, and an access device 13.
0, and further includes a mounting direction indicating unit detection device 140 characteristic of the present embodiment. In the present embodiment, the electronic component supply device 104 includes the left and right tray drawers 112a and 112b as shown in FIG. 1, but in FIG. 2, the right tray drawer 112b in FIG.
Is shown in the vicinity of the figure. The lifting device 120 includes:
A magazine 16 provided in the storage unit 111 and storing at least one tray plate 13 on which at least one tray 12 on which at least one electronic component 11 is mounted is placed in the thickness direction of the tray 12, that is, in the drawing. Z
It is a device that moves up and down in the direction, and includes a lifting and lowering positioning device 116. The lifting / lowering positioning device 116 is controlled by the control device 180 to control the desired electronic components 11 required for mounting.
Is selected, and the tray plate 13 is positioned at a position where the tray plate 13 can be pulled out of the storage section 111 by the access device 130.

The access device 130 moves the tray plate 13 positioned by the lifting / lowering positioning device 116 along the Y-direction as shown in FIG.
b, which is a device for storing the tray plate 13 drawn out into the storage portion 111, and a drawer arm 131 having a mechanical portion connectable to the tray plate 13;
A drive device 132 for moving the drawer arm 131 in the Y direction. The driving device 132 is connected to the control device 18.
The operation is controlled at 0.

The mounting direction indicating unit detecting device 140 uses the pulling arm 131 to pull out the tray pulling unit 112a,
This device detects the position of a mounting direction indicator provided on the electronic component 11 placed on the tray 12 on the tray plate 13 drawn out to 112b. As shown in detail in FIG. A mounting direction indicator detector 141 for detecting the indicator 151 is provided, and a detector driving device 142 for driving the detector 141 in the X direction. The detector driving device 142 includes a driving source 1421 including a motor for moving the detector 141 in the X direction, and a driving source 1421.
A belt 1423 and a pulley 1424 for moving the detector 141 in the X direction with the driving force of The mounting direction indicator detector 141 and the driving source 1421 are
The operation is controlled by.

The mounting direction indicating section 151 has a form in which a corner of the electronic component 11 is cut off as shown in FIG.
The present invention is not limited to this form, and a protruding mark 152 formed on the surface as shown in FIG. 4 or a concave mark 153 formed on the surface of the electronic component 11 as shown in FIG.
Alternatively, as shown in FIG. 6, various forms such as a mark 154 colored or printed on the surface of the electronic component can be used.
Further, when the mounting direction on the printed circuit board can be determined based on the outer shape of the electronic component 11 itself, or when the mounting direction can be determined based on the arrangement direction of the leads provided on the electronic component 11, the mounting described above is performed. Direction indicator 15
It is not necessary to provide separate and independent portions such as 1 to 154, and the outer shape of the electronic component 11, the arrangement direction of the leads, and the like correspond to the mounting direction indicating section. Mounting direction indicator 1
41 indicates that the mounting direction instructing unit is particularly one of the marks 152 to 15
In the case of the embodiment as shown in FIG. 4, or in the case of corresponding to the external shape of the electronic component 11, the arrangement direction of the leads, or the like, a configuration including an imaging camera for imaging these can be adopted.
In the case of a notch as in the mounting direction indicating unit 151, an imaging camera can be provided. However, a non-contact type proximity sensor for detecting the presence or absence of an object, It can also be configured with a contact type sensor or the like that detects the presence or absence.

In the mounting direction indicating unit detecting device 140 thus configured, the mounting direction indicating unit detector 141 moves in the X direction to the side of the storage unit 111 above the tray drawers 112a and 112b. To be mounted. Accordingly, with respect to the electronic components 11 arranged in a lattice on the tray 12, the amount of pulling out of the tray 12 along the Y direction by the access device 130 and the mounting direction instruction by the detector driving device 142 of the detecting device 140 X of the part detector 141
By controlling the amount of movement in the direction by the control device 180, the electronic component 11 to be inspected is specified, and the mounting direction indicator detector 141 is disposed above the electronic component 11.

The control device 180 controls the operation of each of the above-described components, and controls the mounting direction indicator 1
The mounting posture direction of the electronic component 11 on the tray 12 obtained based on the mounting direction indicating unit 151 detected at 41 is recognized. On the other hand, the storage unit 1 of the control device 180
81 stores true orientation direction information of the electronic component 11 on the tray 12, and the control device 180 determines the positive orientation of the electronic component 11 and the detected orientation of the mounting position. It is determined whether the electronic component 11 is in the same position as the electronic component 11 or not. For example, an alarm is issued to urge the operator to change the mounting orientation direction of the electronic component 11, or the orientation of the electronic component 11 is automatically corrected as described later. I do.

The storage unit 181 of the control device 180 stores
As described above, instead of storing the true orientation direction information of the electronic component 11 on the tray 12, the information of the correct mounting orientation when the electronic component 11 is mounted on the printed board 1 in the correct orientation may be stored. Good. However, when the information of the correct mounting posture direction is stored, after holding the electronic component 11 by the component holding device 106 from the tray 12, the posture of the held electronic component 11 is changed and rotated by, for example, 90 degrees. When the controller 180 is mounted on the printed circuit board 1, the control device 180 determines whether the information obtained by subtracting the change in the posture from the information on the correct mounting posture is in agreement or disagreement with the mounting posture described above. Become.

Electronic component mounting machine 1 configured as described above
00, especially the tray type electronic component supply device 10
The operation of No. 4 will be described below. The operation is controlled by the control device 180. The control device 180 includes a component mounting position on the printed circuit board 1 and the electronic component 1 to be mounted.
A so-called NC program, which is information on the relationship with the control device 1 and the mounting order, is stored in advance.
Performs component mounting according to the NC program. The above N
The C program also includes information such as the relationship between the type of the electronic component 11 placed on the tray 12 and the arrangement position on the tray 12 and the true attitude direction of the electronic component 11 on the tray 12. Have been. As shown in FIG. 8, in step (indicated by "S" in the figure) 1, supply of the electronic components 11 from the tray-type electronic component supply device 104 is started. In step 2, the control device 180 sets the NC
According to the program, the operation of the driving source 1421 of the detector driving device 142 is controlled so that the mounting direction indicating unit 151 of the electronic component 11 to be mounted next can be detected by the mounting direction indicating unit detector 141. And the driving device 132 of the access device 130
Is performed, and the detector 141 is positioned in the Y direction.

In step 3, the mounting direction indicator detector 1
At 41, the mounting direction indicating section 151 is detected, and information on the detected position and direction is sent to the control device 180. Then, the control device 180 detects the mounting orientation of the electronic component 11 on the tray 12 and the true orientation included in the NC program, based on the detected orientation information of the mounting direction indicator 151. It is determined whether the information matches.

If it is determined in step 3 that the above-described orientation information and the true orientation information match, the process proceeds to step 4. In step 4, the control device 180 controls the operation of the driving device 132 of the access device 130 so that the electronic component 11 detected in step 3 can be held by the component holding device 106 from the tray 12, and draws out. The tray plate 13 is further pulled out by the arm 131 for use. Then, in step 5, the detected electronic component 11 is moved from the tray 12 to the component holding device 106.
After the component holding device 106 is positioned at the mounting position on the printed circuit board 1 by the XY robot 105, the held electronic component 11 is mounted at the mounting position.

On the other hand, if it is determined in step 3 that the above-described orientation information does not match the true orientation information,
Move to step 6. In step 6, the controller 18
0 indicates an error display and notifies the operator of a change in the mounting posture of the electronic component 11. Then, in step 7, the above-mentioned placement posture is changed by the operator, and
Move to. When mounting the plurality of electronic components 11 from the tray 12 on the printed circuit board 1, the above operation is repeated.

As described above, the electronic component mounting machine 1 of the present embodiment
According to the electronic component supply method by the electronic component supply device 104 in 00, for example, when the tray 12 is loaded in the tray plate 13 in the wrong orientation, or when the electronic component 11 is placed on the tray 12 Even if the electronic component 1 is placed in the wrong direction,
1 can be corrected to the correct mounting posture direction before mounting. Therefore, it is possible to prevent the problem that a large number of printed circuit boards 1 having the electronic components 11 in the wrong mounting posture are produced as in the related art, and to significantly reduce the failure rate of the component-mounted substrate. be able to.

As a modification of the electronic component supply device 104 in the above-described embodiment, the mounting direction indicator detecting device 1
Instead of 40, the configuration of the mounting direction indicator detecting device 160 as shown in FIG. 7 can be adopted, and further, the configuration of the pull-out arm 1311, as shown in FIG. The above-mentioned mounting direction indicator detecting device 16
0 denotes various mounting direction indicating sections 1 as shown in FIGS.
In addition to the above-described mounting direction indicator detector 141, for example, a contact-type detector 141-
1. A total of three detectors 141-2 of an imaging camera type are provided. Further, these detectors 141, 141-1, 1
41-2 is installed integrally with the detector driving device 14
2, the mounting direction indicating unit detecting device 160 is provided with a transfer suction head 161 driven integrally with the detectors 141, 141-1, 141-2. The transfer suction head 161 corresponding to a holding device includes a nozzle 163, and the nozzle 163 holds the electronic component 11 on the tray 12 by, for example, a suction operation.
1 is a device for transferring the data to the temporary mounting portion 1312 provided in the first mounting portion. In the transfer operation, the transfer suction head 161 can be moved only in the X direction by the detector driving device 142.
1 is moved in the Y direction to hold the electronic component 11.
Of the electronic component 11 and the temporary mounting portion 1312 of the held electronic component 11
Positioning and transfer are performed.

The transfer suction head 161 contains a lifting device for raising and lowering the head 161 in the Z direction for holding the suction.
A rotating device for rotating the rotating member about its axis is also stored. Further, the suction device 162 for suction holding is connected to the transfer suction head 161. Further, in this example, the temporary mounting portion 1312 of the pull-out arm 1311 has a structure in which the electronic component 11 is held by a suction operation. Therefore, the temporary mounting suction device 1313 is connected to the pull-out arm 1311. Have been. The method of holding the electronic component 11 in the head 161 and the temporary mounting portion 1312 is as follows.
The configuration is not limited to the above-described configuration by suction, and a known configuration can be adopted. These transfer suction heads 1
61, suction device 162, and temporary mounting suction device 1313
Is connected to the control device 180 and operation is controlled.

The operation of the electronic component supply device including the mounting direction indicator detecting device 160 thus configured is basically the same as the operation of the electronic component supply device 104 described above with reference to FIG. The processing operation when the above-described placement orientation direction information does not match the true orientation direction information in step 3 is different. That is, in the above embodiment, step 3
From step to step 6, but in this example, to step 8 instead of step 6. In step 8, information indicating that the placement orientation information described above does not match the true orientation information is sent to the control device 180. In the case of this example, since the above-mentioned transfer suction head 161 and the temporary placement section 1312 are provided, in the next step 9, the electronic component in which the above-described placement orientation direction information does not match the true orientation direction information. 11 is held by the transfer suction head 161, and then the operation of the rotating device of the transfer suction head 161 is controlled by the operation control of the control device 180, and the above-described placement posture direction information and the true posture direction information are obtained. The nozzle 163 is rotated in the direction around its axis such that the values of. The electronic component 11 whose position and direction have been corrected in this manner is connected to the drawer arm 1311.
The operation of the transfer suction head 161 is controlled by the control device 180 to be positioned in the X and Y directions, respectively.
In the state of the correct position and orientation, it is held by the temporary mounting portion 1312. In the next step 10, the temporary placement unit 1312
After the electronic component 11 held by the component holding device 106 is held by the operation control of the control device 180, the electronic component 11 is mounted at a predetermined mounting position on the printed circuit board 1.

As described above, according to the present modification, even when the above-described placement orientation information does not match the true orientation information, the electronic component 11 is automatically set in the correct mounting orientation. Can be mounted on the printed circuit board 1.
Therefore, as in the conventional case, the electronic component 11 having the wrong mounting
Can be prevented from producing a large number of printed boards 1 having the above, and the failure rate of the board on which components are mounted can be significantly reduced.

[0025]

As described in detail above, according to the electronic component supply device of the first aspect, the electronic component supply method of the second aspect, and the electronic component mounting machine of the third aspect, the mounting direction indicating portion is detected. A mounting direction indicator for an electronic component whose mounting direction is designated, and a mounting posture direction of the electronic component on a tray obtained from the position direction of the mounting direction indicator as a result of the detection. And whether or not the true orientation of the electronic component on the tray matches. Therefore, even if the mounting posture direction of the electronic component for which the mounting posture is specified is different from the true posture direction, it can be found before the electronic component is mounted on the mounted member. Therefore, unlike the related art, it is possible to prevent the problem that a large number of mounted members having electronic components in an incorrect mounting posture are produced, and it is possible to reduce the defect rate of the mounted member on which electronic components are mounted. It can be significantly reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view of an electronic component mounter according to an embodiment of the present invention.

FIG. 2 is a perspective view including a partially transparent portion for explaining the structure of the tray-type component supply device shown in FIG.

FIG. 3 is a perspective view for explaining the structure of a mounting direction indicator detecting device provided in the component supply device shown in FIG. 2;

FIG. 4 is a perspective view of an electronic component for illustrating a modification of a mounting direction indicator provided on the electronic component.

FIG. 5 is a perspective view of an electronic component for illustrating another modified example of a mounting direction indicator provided on the electronic component.

FIG. 6 is a perspective view of an electronic component for illustrating another modification of the mounting direction indicating section provided on the electronic component.

FIG. 7 is a perspective view for explaining a structure of a modification of the mounting direction indicator detecting device provided in the component supply device shown in FIG. 2;

8 is a flowchart for explaining a component supply operation in an electronic component supply device provided in the electronic component mounter shown in FIG.

9 is a perspective view of a pull-out arm provided with the mounting direction indicator detecting device shown in FIG. 7;

FIG. 10 is an overall perspective view of a conventional electronic component mounting machine.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Printed circuit board, 11 ... Electronic components, 12 ... Tray, 1
Reference numeral 30: access device, 141, 141-2, 141-3: mounting direction indicator detector 142: detector driving device 151
154: mounting direction instructing unit, 180: control device, 131
1. Temporary mounting part.

 ──────────────────────────────────────────────────の Continuing on the front page (72) Inventor Tetsutaro Yamura 1006 Kadoma, Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd. (72) Akira Inoshita 1006 Kadoma, Kazuma, Kadoma, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. F term (reference) 5E313 AA01 AA11 AA22 AA23 CC04 DD02 DD03 DD06 DD23 EE24 FF24 FF28 FF32

Claims (7)

[Claims] An electronic component (11) having a mounting direction indicating portion (151 to 154) for instructing a mounting posture direction of the electronic component when mounting the electronic component on a mounting target (1) is formed in a flat plate shape. An electronic component supply device mounted on a tray (12) to supply the electronic component from the tray, the mounting direction indicator detecting the mounting direction indicator in the electronic component on the tray (141). , 141-
2, 141-3) and the mounting posture direction of the electronic component on the tray obtained based on the mounting direction indicator detected by the mounting direction indicator detector is the electronic component on the tray. A control device (180) for determining whether the direction is different from the true attitude direction of the electronic component. 2. A moving device (1) for moving the mounting direction indicator detector in a direction orthogonal to the thickness direction of the tray.
42) further comprising a holding device (161) for holding a desired electronic component on the tray.
The electronic component supply device according to claim 1, further comprising: 3. The control device according to claim 1, further comprising: when the electronic component is placed in a different orientation from the true orientation of the electronic component, the orientation of the electronic component matches the true orientation of the electronic component. 3. The electronic component supply device according to claim 2, wherein the position of the electronic component held by the holding device is corrected. 4. An input / output device (130) for moving the tray in a pull-out direction, the input / output device comprising:
4. The electronic component supply device according to claim 2, further comprising a temporary placement unit (1311) to which the electronic component held by the holding device is transferred. 5. 5. An electronic component (11) having a mounting direction indicator (151 to 154) for instructing a mounting attitude direction of the electronic component when mounting the electronic component on the mounting target (1). An electronic component supply method for supplying the electronic component from a flat plate-shaped tray (12), comprising: detecting the mounting direction indicator in the electronic component on the tray; and detecting the mounting direction indicator based on the detected mounting direction indicator. An electronic component supply method, comprising: determining whether or not the obtained orientation of the electronic component on the tray is different from the true orientation of the electronic component on the tray. 6. Holding the electronic component from the tray,
In the case where the electronic component is mounted on the temporary mounting portion once from the temporary mounting portion and mounted on the material to be mounted, the tray obtained based on the detected mounting direction indicating portion is detected. When the mounting posture direction of the electronic component above is different from the true posture direction of the electronic component, the provisional mounting portion of the electronic component is adjusted such that the mounting posture direction matches the true posture direction. 6. The electronic component supply method according to claim 5, wherein the position of the electronic component is corrected at the time of transfer to the electronic component. 7. An electronic component mounting machine comprising the electronic component supply device according to claim 1.