JPH07251331A - Feeder for electronic parts - Google Patents

Abstract

PURPOSE:To provide a feeder which can cope with the case of using a stick of a different size without any remodeling by providing a separating means for separating a stick, the position of which is freely adjusted according to the size of a stick. CONSTITUTION:If sticks 1a, 1b are different in length, first and second support members 4, 5 sometimes can not support the sticks well. Therefore, a stick separating mechanism 13 including first and second cylinders 6, 7 is provided in such a manner that the position can be adjusted to a base 11. A plate where an elongated hole is formed in the vertical direction is fitted to the forward end part of the first cylinder 6, and the second support member 5 can be adjusted in the direction of thickness of the sticks 1a, 1b. The first and second cylinders 6, 7 are controlled by a solenoid valve 34.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a supply device for supplying electronic parts to an automatic machine or the like for automatically mounting electronic parts on a substrate, and particularly, for supplying individual parts supplied by a stick one by one. The present invention relates to an electronic component supply device.

[0002]

2. Description of the Related Art Conventionally, as a supply device for supplying electronic parts to an automatic machine or the like for mounting electronic parts on a substrate, a supply device for separating and supplying the parts housed in a stick one by one has been widely used. ing. In such a supply device, a large number of sticks are stacked and stored in a storage unit, the sticks are separated one by one from the storage unit, and electronic components are supplied one by one from the separated sticks. ing.

As a supply device having the function of separating the sticks one by one as described above, for example, Japanese Patent Laid-Open No. 63-
As disclosed in Japanese Patent No. 106216, by clamping the upper part of the stacked sticks excluding the lowermost stage,
It is known that the gate plate below the bottom stick is opened to separate only the bottom stick.

Further, as disclosed in Japanese Patent Laid-Open No. 63-244700, there is also known one in which the tip support means is retracted, and then the release rod pushes the stick to release the stick from the fixed support. ing.

[0005]

However, the above-mentioned conventional example does not disclose a method for dealing with the case where the length of the stick changes. That is, there are sticks of various lengths depending on the size of the electronic components to be housed and the manufacturer, etc. In the past, if the sticks had different lengths, the stick supply device should be adjusted according to the length. The reality is that they are redesigning each one.

Further, there is also a problem that the supply device once introduced into a factory or the like has to be modified when the stick length is changed.

Further, the above-mentioned conventional example does not disclose a method of dealing with the case where the thickness of the stick changes. The thickness of the stick generally varies depending on the shape of the electronic component to be housed, and the supply device must be newly designed for each shape of the stick.

Therefore, the present invention has been made in view of the above-mentioned problems, and an object of the present invention is to widely cope with sticks having different lengths and thicknesses without remodeling the device. An object of the present invention is to provide a device for supplying electronic components.

[0009]

In order to solve the above-mentioned problems and achieve the object, an electronic component supply apparatus of the present invention is
An electronic component supply device that separates the electronic components one by one from a cylindrical stick that houses a plurality of electronic components in series and supplies the electronic components to a mounting device or the like that mounts the electronic components on a circuit board or the like. , A storage means disposed on the base for accommodating a plurality of stacked sticks, and a stick taken out downward from the storage means are separated one by one at a position where the electronic component can be taken out from the stick. And a separating means arranged so that the position of the stick can be adjusted in order to cope with a difference in the size of the stick.

Further, in the electronic component supplying apparatus according to the present invention, the separating means supports the lowermost stick and moves forward and backward in the longitudinal direction of the stick, and immediately above the lowermost stick. A second supporting member that supports the stick and moves back and forth in the longitudinal direction of the stick is provided, and the first supporting member is positionally adjustable in the stacking direction of the sticks.

Further, in the electronic component supply apparatus according to the present invention, the first support member and the second support member are configured to advance and retreat by the first and second cylinders, respectively. Is characterized by.

Further, in the electronic component supply apparatus according to the present invention, the first support member and the second support member are formed by driving the first and second cylinders by one solenoid valve. It is characterized by being moved back and forth.

[0013]

As described above, since the electronic component supplying apparatus according to the present invention is configured, the position of the separating means for separating the sticks one by one can be adjusted according to the size of the stick. Even when sticks of different sizes are used, it is possible to deal with the device without any modification.

Further, by making the height of the supporting member for supporting the stick adjustable, even if the thickness of the stick changes, it is possible to cope with it.

Further, by driving the first and second cylinders for advancing and retracting the first and second support members in the longitudinal direction of the stick with one solenoid valve, the structure of the device is simplified and the cost is reduced. Can be achieved.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a view of an IC, which is one of electronic components, housed in a stick as seen from the longitudinal direction.

In FIG. 1, reference numeral 1 denotes a stick, which is usually made of plastic, and accommodates a plurality of electronic components 2 such as ICs in series. An appropriate gap is provided between the stick 1 and the electronic component 2 so that the electronic component 2 can slide in the longitudinal direction when the stick 1 is tilted. This gap is set to such an amount that electronic components do not overlap each other.

FIG. 2 is a diagram showing the overall configuration of an electronic component supply apparatus 100 according to an embodiment of the present invention, and FIG. 3 is a view of the supply apparatus 100 seen from the direction of arrow A. 2 and 3
3, 3 is a stick cassette, and inside the stick cassette 3, as shown in FIG. 4, a front stick guide piece 3a for restricting the front end position of the stick 3 and a rear stick guide for restricting the rear end position of the stick 3 are provided. The piece 3b is arranged. Rear stick guide piece 3b
Can be adjusted in position in the longitudinal direction of the stick 1 by the elongated holes 3c and 3d formed in the side wall of the cassette 3 to accommodate sticks of different sizes. The cassette 3 can be easily attached and detached from the supply device 100 manually.

When the stick 1 containing the electronic components 2 is supplied to the supply device 100, a plurality of sticks 1 each having a large number of external components are stored in the cassette 3 and the supply device 100 is supplied.
Attach to. There is a lid (not shown) at the bottom of the cassette 3, and by pulling the lid backward, the cassette 3
The stick inside falls as indicated by 1a and 1b and is supported by the first support member 4 as shown in the figure. A first cylinder 6 has a first support member 4 attached to the tip thereof, and the support member 4 is moved back and forth by the first cylinder 6 in the longitudinal direction of the stick (direction of arrow a). 7 is a second cylinder to which the second support member 6 is attached,
The second support member 6 is also moved back and forth in the direction of arrow a by the second cylinder 7. First and second cylinders 6, 7
Are stacked on the plate 8 as shown.

After all the components 2 have been taken out from the bottommost stick 1a, the empty stick is discharged as follows.

First, the second cylinder 7 is pushed out so that the second support member 5 moves to the bottom of the stick 1a.
It is inserted in the hollow portion of the stick 1b on the upper side.

Next, the first cylinder 6 retracts, the first support member 4 moves rearward, and the stick 1a
Slot 11a for discharging sticks formed on the base 11
Pass through and fall.

The dropped stick 1a slides along the guide 12 arranged below and is discharged to the outside.

Next, the first cylinder 6 is pushed out to move the first support member 4 forward, so that the stick can be supported.

Next, the second cylinder 7 retracts, the second support member 5 moves rearward, and the stick 1b drops onto the first support member 4.

As described above, the emptied stick is discharged to the outside, and the next new stick is positioned at a position where parts can be supplied.

When performing the above operation, if the stick 1 has different lengths, the first and second support members 4 and 5 may not be able to support the stick well. Therefore, in this embodiment, the stick separating mechanism 13 including the first and second cylinders 6 and 7 is positionally adjustable with respect to the base 11.

The mechanism for adjusting the position will be described below.

FIG. 5 is an exploded perspective view showing the structure of the stick separating mechanism 13 including the first and second cylinders 6 and 7.

First, the position adjusting mechanism of the stick separating mechanism 13 in the longitudinal direction of the stick will be described.

In FIG. 5, when the bolt 10 is loosened, the block 11b is guided by the elongated hole 11a, the entire stick separating mechanism 13 moves in the length direction of the stick, and the bolt 10 can be fixed by tightening the bolt 10 at an arbitrary position. . As a result, the stick separating mechanism 13 is adjusted to a position corresponding to sticks having different lengths.

Next, a mechanism for dealing with the difference in stick thickness will be described.

In FIG. 5, a plate 15 having an elongated hole 15a formed in the vertical direction is attached to the tip of the first cylinder 6, and the second support member 5 serves as the stick thickness direction. It is adjustable. 34
Controls the first and second cylinders 6, 7 with solenoid valves.

FIG. 6 is a piping diagram for introducing compressed air into the first and second cylinders 6 and 7. In FIG. 5, 16,
Reference numeral 17 is a speed controller. When the solenoid valve 34 is turned on by piping as shown in FIG. 5, the first cylinder 6 is retracted and the second cylinder 7 is pushed out. Since the retraction of the first cylinder 6 is slightly delayed by the speed controller 17, the second cylinder 7 is pushed out and the second support member 5 is inserted into the stick 1b, and then the first support member 4 is retracted. , The lowermost stick 1a falls on the guide 12. Solenoid valve 34 is OF
When F, the first cylinder 6 is pushed out and the second cylinder 6
Air of the cylinder 7 is throttled by the speed controller 16 and the cylinder 7 is pulled in with a slight delay. That is, after the first support member 4 protrudes and becomes ready to support the stick, the second support member 5 retracts with a slight delay, and the stick 1b is dropped onto the first support member 4. In this way, as shown in FIG. 2, the sticks 1a and 1b are supported on the first support member 4, and the stick supply / discharge operation (separation operation) is completed.

Reference numerals 18 and 19 denote cylinders for separating the electronic components flowing out of the stick one by one and sending them to the slide base 21. First, the cylinder 19 descends to separate the pressing member 19a attached to the tip thereof. The preceding electronic component 2a to be attempted is pressed from above, and then the cylinder 18 is raised to slide the electronic component 2b to be separated onto the slide base 21. Next, the cylinder 18 descends and then the cylinder 19 rises to return to the original state. The slide base 21 is rotatably connected by a pin 32 to the tip of a column 30 which is guided by a guide rail 22 and moves in the left-right direction in FIG. When the electronic component 2b is supplied to the slide base 21, the column 30 is moved by the cylinder or the like from the position shown by the chain double-dashed line in the figure to the left along the guide rail 22 until the position shown by the solid line. Be moved. This allows the slide base 2
1 has a posture as shown by 21a in the figure. An assembling / mounting robot (not shown) or the like picks up the electronic component 2c on the slide base in the posture 21a.

Reference numeral 24 denotes a control unit of the entire supply device 100, which controls the above-mentioned operation and can communicate with an external assembly / mounting robot.

As described above, according to the above-described embodiment, the separating mechanism for separating the sticks one by one can be adjusted in position according to the size of the stick, so that sticks of different sizes can be used. Even if it does, it is possible to deal with it without adding any modification to the device.

Further, by making the height of the supporting member for supporting the stick adjustable, it is possible to cope with the case where the thickness of the stick changes.

Further, by driving the first and second cylinders for moving the first and second support members back and forth in the longitudinal direction of the stick with one solenoid valve, the structure of the device is simplified and the cost is reduced. Can be achieved.

It should be noted that the present invention can be applied to modifications and variations of the above embodiments without departing from the spirit of the invention.

[0042]

As described above, according to the electronic component supplying apparatus of the present invention, the separating means for separating the sticks one by one can be adjusted in position in accordance with the size of the stick, thereby increasing the size. Even if sticks of different sizes are used, it is possible to deal with them without modifying the device.

Further, by making the height of the supporting member for supporting the stick adjustable, it is possible to cope with the case where the thickness of the stick changes.

Further, by driving the first and second cylinders for moving the first and second support members back and forth in the longitudinal direction of the stick with one solenoid valve, the structure of the device is simplified and the cost is reduced. Can be achieved.

[Brief description of drawings]

FIG. 1 is a view in which an IC, which is one of electronic components, is housed in a stick as seen in a longitudinal direction.

FIG. 2 is a diagram showing the overall configuration of an electronic component supply device according to an embodiment of the present invention.

FIG. 3 is a diagram of the supply device as viewed in the direction of arrow A.

FIG. 4 is a view of the stick cassette seen from above.

FIG. 5 is an exploded perspective view showing a configuration of a stick separating mechanism including first and second cylinders.

FIG. 6 is a piping diagram for introducing compressed air into the first and second cylinders.

[Explanation of symbols]

 1 Stick 2 Electronic Components 3 Stick Cassette 4 First Support Member 5 Second Support Member 6 First Cylinder 7 Second Cylinder 8 Plate 10 Bolt 11 Base 12 Guide 13 Stick Separation Mechanism 15 Plate 16, 17 Speed Controller 18, 19 Cylinder 21 Slide base 22 Guide rail 24 Control part 30 Strut 32 pin 34 Solenoid valve

Claims (4)

[Claims] 1. An electronic component supply device that separates the electronic components one by one from a cylindrical stick that houses a plurality of electronic components in series and supplies the electronic components to a mounting device or the like that mounts the electronic components on a circuit board or the like. A base, a storage means disposed on the base for storing a plurality of stacked sticks, and a stick taken out downward from the storage means at a position where the electronic component can be taken out from the stick. Separating means for separating the sticks one by one, characterized in that the separating means is provided so as to be positionally adjustable with respect to the base in order to cope with a difference in size of the sticks. Electronic component supply device. 2. The separating means supports a lowermost stick, and a first supporting member that moves forward and backward in the longitudinal direction of the stick, and a stick immediately above the lowermost stick, and that moves in the longitudinal direction of the stick. 2. A second support member that moves forward and backward, wherein the first support member is positionally adjustable in the stacking direction of the sticks.
The electronic component supply device described in 1. 3. The electronic device according to claim 2, wherein the first support member and the second support member are configured to advance and retreat by a first cylinder and a second cylinder, respectively. Parts supply device. 4. The first support member and the second support member are advanced and retracted by driving the first and second cylinders with a single solenoid valve. The electronic component supply device described in 1.