JP2003152390A - Apparatus for preventing erroneous supply of electronic component and electronic component supplying apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an apparatus for preventing the erroneous supply of electronic components accommodated in a bulk case. SOLUTION: A case side concave/convex area 11 indicating the information of electronic components accommodated in the bulk case 1 is provided to the bulk case, while a loading part side concave/convex area 22 corresponding to this case side concave/convex area 11 is provided to a pushing member 18. Only when the information indicated by the case side concave/convex area 11 is matched with the information indicated by the loading part side concave/ convex area 22, the pushing member 18 is pushed. Accordingly, the engagement of an engaging member 17 with an opening/closing operation member 6 is released and the opening/closing operation member 6 is slid. Thereby, a lid is opened and the electronic components in the bulk case 1 are introduced into a component supplying apparatus from an exhaust port.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic component erroneous supply prevention device and an electronic component supply device, and more particularly, to a plurality of chip-shaped electronic components randomly stored in a bulk case. In the supply of electronic components to the component supply device for sequentially supplying the electronic components of
The present invention relates to an erroneous supply prevention device for preventing erroneous supply of electronic components and an electronic component supply device including the same.

[0002]

2. Description of the Related Art For example, in order to supply an electronic component to a component supply device provided in a chip mounter for mounting a chip-shaped electronic component on a circuit board, Japanese Patent Application Laid-Open No. 63-272686 by the present applicant. Electronic component chip storage cassettes such as those described in Japanese Patent Publication are often used.

The electronic component chip storage cassette has a bulk case for storing a plurality of chip-shaped electronic components in a random state, and the bulk case has a discharge port for discharging the electronic components and the discharge port is closed. A lid that can be opened and closed is provided.

When the electronic parts in the bulk case are supplied to the above-mentioned component supply device, the bulk case is mounted on a case mounting portion provided in the component supply device. In this mounted state, the discharge port of the bulk case is oriented toward the component intake port of the component supply device, and in this state, by opening the lid, the electronic components in the bulk case are moved to the component intake port. be introduced.

In the above-mentioned Japanese Patent Laid-Open No. 63-272686, there is also disclosed a label in which a bar code is used to display information about electronic components such as types, dimensions and characteristics of the electronic components housed in the bulk case by a bulk code. Affixing on the outer surface of the case is disclosed.

Further, Japanese Patent Laid-Open No. 10-335888 discloses a method for preventing the wrong electronic component from being supplied to the case mounting portion of the component supply device by using the above-mentioned bar code. Is listed.

That is, the bar code reader connected to the central control unit detects the bar code information on the bulk case and collates it with the information previously input / stored in the central control unit. Only when the information on both sides matches, the lid to prepare for the bulk case is controlled to open. On the other hand, if the information on both sides does not match as a result of the collation, a warning lamp warns, and the bulk The purpose is to prevent the case from being installed incorrectly.

[0008]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention
According to the bulk case erroneous mounting prevention method by the bar code system described in Japanese Patent No. 335888, the possibility of human erroneous recognition is eliminated, but there are the following problems to be solved.

First, bar code systems are relatively expensive.

There is also a possibility of malfunction due to a barcode reading error.

Also, external energy such as electric power is required.

Further, the management of the bar code information becomes complicated between the electronic component supplier and the consumer.

Further, the setting as to whether or not the electronic parts can be put into the parts supply device must be made by changing the information of the bar code itself.

Further, the facility becomes large because of the verification by the bar code reader.

Therefore, an object of the present invention is to provide a device for preventing erroneous supply of electronic components and an electronic component supply device equipped with this erroneous supply prevention device, which can solve the above-mentioned problems. Is.

[0016]

The present invention has a case mounting portion for removably mounting a bulk case for storing a plurality of chip-shaped electronic components in a random state,
The case mounting portion is provided with a component inlet for receiving the plurality of electronic components discharged from the bulk case mounted therein, and sequentially supplies the plurality of electronic components received from the component inlet. The component supply device is directed to an erroneous supply prevention device for electronic components, which is provided to prevent erroneous supply of electronic components, and is characterized by having the following configuration.

That is, the bulk case side is provided with a case-side unevenness indicating information about the stored electronic parts, and the case mounting section side is provided with a mounting-side unevenness corresponding to the case-side unevenness described above. .

Only when the information expressed by the case-side unevenness and the information expressed by the mounting-side unevenness match, the case-side unevenness and the mounting-side unevenness mechanically act to act from the bulk case. It is configured so as to obtain a state in which the supply of electronic components to the electronic component is allowed.

In a preferred embodiment of the present invention, the bulk case includes a discharge port for discharging an electronic component, an openable / closable lid for closing the discharge port, and an opening / closing operation member for opening / closing the lid. The case mounting portion side is provided with an engaging member that engages so as to fix the opening / closing operation member when the lid is in the state where the discharge port is closed, and the information represented by the case side irregularity and the mounting portion side irregularity are represented. Only when the information matches, the engagement of the engaging member with the opening / closing member can be released.

The above-mentioned opening / closing member operates slidably in response to opening / closing of the lid, and the engaging member operates in a direction intersecting the sliding direction of the opening / closing member to engage the opening / closing member. It is preferable to be configured to realize a mating state and a non-engaging state.

More preferably, it further comprises a pressing member that operates integrally with the engaging member and is positioned so as to face the bulk case, and the mounting portion side unevenness is provided on the surface of the pressing member that faces the bulk case. The case-side unevenness is provided on the surface of the bulk case that faces the pressing member, and the positions of the protrusions of the mounting-side unevenness and the recesses of the case-side unevenness match and the recesses of the mounting-side unevenness. The pressing operation of the pressing member for bringing the engaging member into the state in which the engaging member is not engaged with the opening / closing operation member is allowed only when the position of and the position of the convex portion of the case-side unevenness match.

In another preferred embodiment of the present invention, since the bulk case is guided to the case mounting portion on the case mounting portion side, it is possible to move along the slide portion and the slide portion while holding the bulk case. The case holding member is provided with the case holding member, and the mounting portion side unevenness is provided on the case holding member. The case holding member positions the bulk case and the information represented by the case side unevenness and the mounting portion side unevenness match. It is configured so that it can be moved along the slide portion only when it is performed.

In the above case, more preferably, the slide portion has a U-shaped cross section, the case holding member is movable while being fitted in the slide portion, and the case holding member is a bulk member. When the case has a pair of openable and closable wings located so as to sandwich the case, and the pair of wings is in an open state, fitting of the case holding member into the slide part is prohibited. Further, the mounting portion side unevenness is provided on the surface of the wing portion facing the bulk case, and the case side unevenness is provided on the surface of the bulk case facing the wing portion. Then, the positions of the convex portions of the mounting portion side irregularities and the positions of the concave portions of the case side irregularities match, and only when the positions of the concave portions of the mounting portion side irregularities and the positions of the convex portions of the case side irregularities match. The wings are closed, which allows the case holding member to move while fitted within the slide.

The present invention is also directed to an electronic component supply device having the above-mentioned erroneous supply prevention device.

[0025]

BEST MODE FOR CARRYING OUT THE INVENTION In describing an erroneous supply prevention device for electronic parts according to an embodiment of the present invention, a bulk case used in this erroneous supply prevention device will be described first.

FIG. 1 is a front view showing the outer appearance of the bulk case 1, and FIG. 2 is a front view showing a part of the bulk case 1 in cross section.

The bulk case 1 has a storage space 2 for storing a plurality of chip-shaped electronic components (not shown), and discharges the electronic components so as to communicate with the storage space 2. Is provided with a discharge port 3. In addition, outlet 3
The lid 4 is provided so as to be openable and closable in order to close. Figure 2
Shows the state where the discharge port 3 is closed by the lid 4.

In this embodiment, the lid 4 is made of a flexible plate material such as a resin thin plate. Lid 4
Is held in a slit 5 that extends from the wall portion where the discharge port 3 of the bulk case 1 is positioned to an adjacent wall portion by bending in an arc shape, and slides along the slit 5 to open the discharge port 3 A closed state and an open state are realized.

An opening / closing member 6 which slides in response to opening / closing of the lid 4 is fixed to one end of the lid 4.
The opening / closing member 6 is slidable in a longitudinal recess 7 provided in the bulk case 1. Opening / closing member 6
Functions as an operation unit for giving an opening / closing operation to the lid 4, and when this is moved upward in FIG.
The open state of the lid 4 is obtained, and when the lid 4 is operated downward, the closed state of the lid 4 is obtained.

The end portion of the bulk case 1 on the side where the discharge port 3 is provided is a case mounting portion 8 (FIG. 4) provided in the component supply device.
And (see FIG. 5), a mounting portion 9 for detachably mounting the bulk case 1 is configured. As shown in FIG. 1, the mounting portion 9 is provided with a groove 10. Although not shown, the case mounting portion 8 is provided with a rib that fits into the groove 10. By fitting the rib into the groove 10, the bulk case 1 can be reliably positioned with respect to the case mounting portion 8. Become.

On the outer surface of the bulk case 1, there are provided case-side irregularities 11 that represent information about electronic components such as the type, size and characteristics of the electronic components housed therein. This case side unevenness 11 is enlarged and shown in FIG.

In this embodiment, the case side unevenness 11 is
For example, the presence or absence of the columnar convex portion 12 represents the binarized data. The unevenness is relative,
As shown by the broken line in FIG. 3, the portion where the convex portion 12 is not provided can be regarded as the concave portion 13.

The case side unevenness 11 described above is, for example,
If the adhesive sheet 14 is provided with the protrusions 12, the case-side irregularities 11 can be easily provided by attaching the adhesive sheet 14 to the outer surface of the bulk case 1.

Further, the convex portion 12 provided on the adhesive sheet 14 may be fixed to the adhesive sheet 14 or may be detachable so that the position of the convex portion 12 can be freely changed.

The cross-sectional shape of the convex portion 12 is not limited to the circular shape shown in the figure, but may be changed to a square shape, a triangular shape, or the like.

4 and 5 show a state in which the bulk case 1 is mounted on the case mounting portion 8 provided in the component supply device.

In this mounting, the bulk case 1 is slid in the direction of arrow 16 along the sliding portion 15 provided in the case mounting portion 8 and having a U-shaped cross section. At this time, the groove 10 provided in the bulk case 1
The ribs provided on the case mounting portion 8 side are fitted inside (see FIG. 1), and the bulk case 1 is reliably positioned.

As shown in FIGS. 4 and 5, when the bulk case 1 is mounted on the case mounting portion 8, a component intake port (not shown) is provided below the discharge port 3 provided in the bulk case 1. positioned. Therefore, in this state, when the lid 4 of the bulk case 1 is opened, the plurality of electronic components in the bulk case 1 are introduced into the component intake port according to the natural fall. Then, the plurality of electronic components received from the component inlet are sequentially supplied by this component supply device, and are subjected to, for example, a chip mounting step.

However, in the state shown in FIG. 4, the operation for opening the lid 4 cannot be immediately performed.
That is, the engagement member 17 provided on the case mounting portion 8 side engages with the opening / closing operation member 6 so as to fix the opening / closing operation member 6 when the lid 4 closes the discharge port 3. is doing. FIG. 6 is a view for explaining the operation of the engagement member 17, as viewed from the left side of FIG. 4, and a part thereof is shown in a cross section.

A pressing member 18 is provided so as to face the mounted bulk case 1. This pressing member 18 is
Is engaged with the engagement member 17 and thereby the engagement member 17
Works together with.

The pressing member 18 is held by a vertical wall 19 provided on the case mounting portion 8 so as to be displaceable in the left-right direction in FIG. Therefore, the engaging member 17 that operates integrally with the pressing member 18 is also displaceable in the left-right direction according to FIG.
That is, the opening / closing operation member 6 can be operated in a direction intersecting with the sliding operation direction, that is, in the direction orthogonal to this embodiment.

A spring receiving portion 20 is provided on the vertical wall 19, and a compression spring 21 is arranged between the spring receiving portion 20 and the pressing member 18. Due to the action of the compression spring 21, both the pressing member 18 and the engaging member 17 are
It is urged to move to the right by.

As shown in FIG. 6, when the bulk case 1 is mounted on the case mounting portion 8, the case-side unevenness 11 is brought to a position facing the pressing member 18.

On the other hand, on the surface of the pressing member 18 facing the bulk case 1, the mounting portion side irregularities 22 corresponding to the case side irregularities 11 are provided. Also in the mounting portion side unevenness 22, a convex portion 23 and a concave portion 24 are provided.

The case where the bulk case 1 accommodating the correct electronic components is mounted in the case mounting portion 8 will be described.

In the above case, as shown in FIG. 6, the position of the convex portion 23 of the mounting portion side irregularity 22 and the concave portion 1 of the case side irregularity 11
The position of 3 corresponds, and the position of the concave portion 24 of the mounting-side irregularity 22 and the position of the convex portion 12 of the case-side irregularity 11 coincide. Therefore, the pressing member 18 can be pushed in the direction of the arrow 25, whereby the engagement member 17 can be brought into a state where it is not engaged with the opening / closing operation member 6. In FIG. 6, a state realized after the pressing member 18 is pushed in as described above is shown by a two-dot chain line. Also, FIG.
Similarly, a state in which the pressing member 18 is pushed is shown in FIG.

As described above, when the engagement member 17 is disengaged from the opening / closing operation member 16, the opening / closing operation member 6 is
It can be slid in the direction of arrow 26, whereby the lid 4 closing the outlet 3 can be opened. As a result, the supply of electronic components from the bulk case 1 to the component intake in the case mounting portion 8 is permitted.

On the other hand, when the bulk case 1 containing the wrong electronic component is mounted in the case mounting portion 8,
At least, the positions of the projections 23 of the mounting-part-side unevenness 22 and the positions of the projections 12 of the case-side unevenness 11 coincide, and the projections 23 and the projections 12 come into contact with each other, so that the pressing member 18 is pressed.
Cannot be pushed. Therefore, the engagement of the engaging member 17 with the opening / closing member 6 is maintained, and the opening / closing member 6 is opened.
Cannot be slid in the direction of opening the lid 4.

As a result, erroneous supply of electronic components can be prevented.

It should be noted that the mounting portion side unevenness 22 is also shown in FIG.
As in the case of the case-side unevenness 11 shown in FIG. 2, a configuration in which the convex portion 23 is provided on the adhesive sheet and a configuration in which the convex portion 23 is detachable may be adopted.

FIG. 7 is a diagram for explaining another embodiment of the present invention.

With reference to FIG. 7, in order to guide the bulk case 32 to the case mounting portion 31 on the side of the case mounting portion 31 provided in the component supply device, in a state where the slide portion 33 and the bulk case 32 are held. A case holding member 34 movable along the slide portion 33 is provided.

The slide portion 33 has a U-shaped cross section,
The case holding member 34 is movable while being fitted in the slide portion 33.

The case holding member 34 is the bulk case 32.
It has a pair of openable and closable wings 35 which are located so as to sandwich. In this embodiment, the case holding member 34 is made of a material having an appropriate elasticity, such as a resin, and the pair of wings 3 is formed based on the elasticity of the material.
5 can be opened and closed.

On the other hand, although not shown, the bulk case 32 has a discharge port for discharging electronic parts formed on the surface facing downward in FIG. 7, and an openable / closable lid for closing this discharge port is also provided. I have it.

The lower end of the bulk case 32 in the figure is a mounting portion 36.
A groove 37 is provided.

Further, the mounting portion 36 is provided with a case-side unevenness 38. The case-side unevenness 38 represents information about electronic components by using the presence or absence of the recess 39 as binary data, and the portion where the recess 39 is not provided functions as the projection 40.

On the other hand, the wing portion 3 provided on the case holding member 34
On the surface of 5 facing the bulk case 32, the mounting portion side unevenness 41 is provided. The mounting portion side unevenness 41 corresponds to the case side unevenness 38 and is provided with a convex portion 42.
The portion where is not provided functions as the recess 43.

Further, the wing portion 35 is provided with a rib 44 which fits in the groove 37 provided in the bulk case 32.

The case holding member 34 has a rib 44 and a groove 37.
The bulk case 32 is positioned by fitting into the inside, and in this positioned state, the case-side unevenness 38
Only when the information represented by and the information represented by the mounting portion side unevenness 41 are matched, it is possible to move along the slide portion 33 in the direction of the arrow 45.

More specifically, the bulk case 32 is inserted between the pair of wings 35 as shown by the arrow 46, and the ribs 44 are fitted into the grooves 37, whereby the bulk case 32 is positioned with respect to the case holding member 34. In the installed state, the mounting portion side unevenness 41
Only when the position of the convex portion 42 and the position of the concave portion 39 of the case-side unevenness 38 coincide with each other and the position of the concave portion 43 of the mounting portion side 41 and the position of the convex portion 40 of the case-side unevenness 38 coincide with each other. The wings 35 can be closed. In this way, when the wing portion 35 is closed, the case holding member 34 can be received in the slide portion 33, and the arrow 4
As shown by 5, it becomes movable while being fitted in the slide portion 33. Although not shown, a component inlet is provided at the end of this movement, and the plurality of electronic components housed in the bulk case 32 are introduced into the component inlet.

On the other hand, when the bulk case 32 contains an erroneous electronic component, at least the mounting portion side unevenness 4 is formed.
Since the position of the convex portion 42 of No. 1 and the position of the convex portion 40 of the case-side concave-convex 38 coincide and the convex portions 42 and 40 contact each other, the pair of wings 35 cannot be closed. . Therefore, since the pair of wings 35 is kept open, the fitting of the case holding member 34 into the slide portion 33 is prohibited, and the movement of the case holding member 34 in the direction of the arrow 45 is also prohibited. .

As a result, erroneous supply of electronic components can be prevented.

In the present invention, a method as shown in FIG. 8 or 9 may be adopted in order to provide the case-side unevenness and the mounting portion-side unevenness.

In FIG. 8, a recess 51 is provided. The recess 51 functions as a recess as it is.
On the other hand, when it is desired to change the concave portion 51 to a convex portion, a seal 52 is attached so as to cover the opening of the concave portion 51.

In FIG. 9, a claw 62 that can be broken by bending is provided so as to cover the recess 61. The claw 62 functions as a convex portion, and the concave portion 61 can be exposed by folding the claw 62.

Although the present invention has been described above with reference to several illustrated embodiments, various other modifications are possible within the scope of the present invention.

That is, only when the information represented by the case-side unevenness and the information represented by the mounting-side unevenness match, the case-side unevenness and the mounting-side unevenness work mechanically to remove parts from the bulk case. If it is configured to obtain a state that allows the supply of electronic components to the inlet,
It is to be understood that all are within the scope of this invention.

[0069]

As described above, according to the present invention, the case-side unevenness and the mounting-side unevenness are mechanical only when the information expressed by the unevenness on the case side and the information expressed by the unevenness on the mounting portion side match. It is configured so that the supply of electronic components from the bulk case to the component inlet is allowed by the above action, so that the erroneous supply of electronic components can be reliably prevented by mechanical means. it can.

Therefore, as compared with the conventional erroneous bulk case mounting method adopting the bar code system, it can be realized at a lower cost, does not cause malfunction, can downsize the equipment, does not require external energy, and There is an effect that information for collation can be easily set between the supplier and the consumer of the electronic component.

[Brief description of drawings]

FIG. 1 is a front view showing an external appearance of a bulk case 1 applied in an embodiment of the present invention.

FIG. 2 is a front view showing a part of the bulk case 1 shown in FIG. 1 in cross section.

FIG. 3 is a front view showing an enlarged case-side unevenness 11 shown in FIG.

FIG. 4 is a perspective view showing a state where the bulk case 1 shown in FIG. 1 is mounted on a case mounting portion 8 included in the component supply device.

FIG. 5 is a view corresponding to FIG. 4, showing a state where the engagement member 17 is disengaged from the opening / closing operation member 6;

FIG. 6 is a view as seen from the left side of FIG. 4, showing the relationship between the case-side unevenness 11 and the mounting portion-side unevenness 22 and the engaging member 1.
7 illustrates the relationship between 7 and the opening / closing operation member 6.

FIG. 7 is a perspective view showing another embodiment of the present invention.

FIG. 8 is a perspective view for explaining a modified example of a method for forming case-side irregularities and mounting-portion-side irregularities.

FIG. 9 is a perspective view for explaining another modification of the method for forming the case-side unevenness and the mounting portion-side unevenness.

[Explanation of symbols]

1,32 bulk case 3 outlets 4 lid 6 Opening / closing member 8,31 Case mounting part 11,38 Case side unevenness 12, 23, 40, 42 Convex part 13, 24, 39, 43, 51, 61 Recess 17 Engagement member 18 Pressing member 22, 41 Mounting side unevenness 33 Slide part 34 Case holding member 35 wings 52 seal 62 nails

Claims (7)

[Claims] 1. A case mounting part for removably mounting a bulk case for accommodating a plurality of chip-shaped electronic components in a random state, wherein the case mounting part is mounted with the case mounting part. A component supply device is provided with a component inlet for receiving a plurality of electronic components discharged from the bulk case, and the plurality of electronic components received from the component inlet are sequentially supplied. A device for preventing erroneous supply of electronic parts, which is provided to prevent the electronic parts from being erroneously supplied, wherein the bulk case side is provided with a case-side unevenness that indicates information about the stored electronic parts, and the case mounting portion side is provided. The mounting-side unevenness corresponding to the case-side unevenness is provided, and only when the information represented by the case-side unevenness and the information represented by the mounting-side unevenness match, the case Of the electronic component, wherein the concave and convex portions on the mounting side and the concave and convex portions on the mounting portion mechanically interact with each other to allow the supply of the electronic component from the bulk case to the component inlet. Incorrect supply prevention device. 2. The bulk case includes a discharge port for discharging an electronic component, an openable / closable lid for closing the discharge port, and an opening / closing operation member for opening / closing the lid, and the case mounting device. An engaging member that engages so as to fix the opening / closing operation member when the lid is in the state where the discharge port is closed is provided on the part side, and the information represented by the case side unevenness and the mounting part side are provided. The electronic component erroneous supply prevention device according to claim 1, wherein the engagement member can be disengaged from the opening / closing operation member only when the information represented by the unevenness matches. . 3. The opening / closing operation member is slidably operated in response to opening / closing of the lid, and the engagement member is operated in a direction intersecting with a sliding operation direction of the opening / closing operation member, whereby The erroneous supply preventing device for electronic parts according to claim 2, which realizes a state in which the opening / closing member is engaged and a state in which it is not engaged. 4. A pressing member that operates integrally with the engaging member and is positioned so as to face the bulk case, and the mounting portion side is provided on a surface of the pressing member that faces the bulk case. The unevenness is provided, and the case-side unevenness is provided on the surface of the bulk case that faces the pressing member, and the position of the convex portion of the mounting-side unevenness and the position of the concave portion of the case-side unevenness match. At the same time, the pressing member for bringing the engaging member into the state of not engaging with the opening / closing operation member only when the position of the concave portion of the mounting portion side unevenness and the position of the convex portion of the case side unevenness match. The erroneous supply preventive device for electronic parts according to claim 3, wherein the pressing operation is allowed. 5. A slide unit and a case holding unit that is movable along the slide unit while holding the bulk case, for guiding the bulk case to the case mounting unit on the case mounting unit side. A member is provided, and the mounting portion side unevenness is provided on the case holding member, the case holding member positions the bulk case, and information represented by the case side unevenness and information provided by the mounting portion side unevenness are provided. The erroneous supply preventing apparatus for electronic components according to claim 1, wherein the erroneous supply preventing apparatus is configured so as to be able to move along the slide portion only when and match. 6. The slide portion has a U-shaped cross section, the case holding member is movable while being fitted in the slide portion, and the case holding member is the bulk case. When the pair of wings is open, the case holding member is prohibited from being fitted into the slide portion, and the pair of wings is open and closed. The mounting portion side unevenness is provided on the surface of the portion facing the bulk case, and the case side unevenness is provided on the surface of the bulk case facing the wing portion, and the mounting portion side unevenness is convex. The wing portion closes only when the position of the portion and the position of the concave portion of the case-side unevenness match, and when the position of the concave portion of the mounting-side unevenness and the position of the convex portion of the case-side unevenness match. , Thereby the case holding member The erroneous supply preventing device for electronic parts according to claim 5, wherein the device is movable while being fitted in the slide portion. 7. An electronic component supply device comprising the electronic component erroneous supply prevention device according to claim 1. Description: