JP2517844Y2 - Chip circuit component supply device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for taking out chip components from a container in which chip-like circuit components are stored in a bulk, into a component discharge pipe, and sending them out to a component conveying path one by one.

[0003]

2. Description of the Related Art An automatic mounting apparatus has been used in which chip-shaped circuit components stored in bulk in a plurality of containers are taken out one by one and mounted on a predetermined position of a circuit board. In the component supply device used in this device,
The chip-shaped circuit components stored in bulk in the container are taken out in a line to the component discharge pipe, and are fed one by one to the component transfer path leading to the guide pipe of the distributor.

In this type of conventional chip-shaped circuit component supply device, the mechanism for feeding the chip-shaped circuit component from the component discharge pipe to the component transport path slides between them and the chip-shaped circuit component is fed to the two component transport paths. It was equipped with a slide plate for alternately feeding. However, in such a conventional slide plate, one reciprocating movement of the slider causes the chip-shaped circuit components to alternate between the two component transfer paths.
Only one by one is supplied. For this reason, when a plurality of chip-shaped circuit components of the same type are to be mounted on the circuit board, it is necessary to equip with half as many containers as the mounted chip-shaped circuit components.

Therefore, the inventors of the present invention have previously proposed a parts supply device using a rotating slider and filed a utility model registration application (1990 utility model registration application No. 35122).
issue). The outline will be described below with reference to FIGS. 3 to 5. That is, as shown by the arrow in FIG.
As the container 1 reciprocates up and down, the chip-shaped circuit components a stored in bulk in the container 1 are taken out in a line into the component discharge pipe 49. This discharge pipe 49
The chip-shaped circuit components a lined up in
Are intermittently rotated in the directions of the arrows in FIGS. 3 and 4, and are accommodated one by one in the component accommodating holes 64, 64 ... When the chip-shaped circuit component a is stored in all of the component storage holes 64, 64 ... Of the slider 54, the slider 54
3 further rotates in the direction indicated by the arrow in FIGS. 3 and 4, and the component storage holes 64, 64 and the component transport path 10 thereunder,
The upper ends of 10 ... Align vertically. After that, shutter 5
0 slides as shown by the arrow in FIG. 4, and as shown in FIG. 5, the component passage holes 51, 51 ...
64 ... and the upper ends of the component transport paths 10, 10 ... Therefore, the chip-shaped circuit components a, a ... Stored in the component storage holes 64, 64 ...
It is sent to each 0. After that, the slider 54 and the shutter 50 return to their original positions, and the same operation is repeated thereafter.

[0006]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the above-mentioned component supply apparatus proposed by the present inventors, a large number of chip-shaped circuit components a at a time are provided with component transfer paths 10 and 10, respectively.
Can be sent to ... However, in this case, the chip-shaped circuit component a may not be fed from the component discharge pipe 49 side into the component storage holes 64, 64 of the slider 54 due to a malfunction. In such a case, the operation of sending out the chip-shaped circuit component a by the shutter 50 is performed without the chip-shaped circuit component a existing in some or all of the component storage holes 64. Then, there occurs a trouble that the chip-shaped circuit component a, which should be normally supplied, is not supplied to a predetermined supply destination, that is, a so-called defective product. Therefore, the present invention solves this problem and replaces the parts discharge pipe 49.
To provide a component supply device capable of receiving a chip-shaped circuit component a from a slider into a component storage hole 64 of a slider and inspecting the presence or absence of the chip-shaped circuit component a in the component storage hole 64 before the next sending. And

[0007]

[Means for Solving the Problems] That is, according to the present invention, in order to achieve the above-mentioned object, a container in which chip-shaped circuit components are stored in a bulk form, and the chip-shaped circuit components are discharged in a line from the container. In the chip-shaped circuit component supply device, comprising: a component discharge pipe, a component transport path arranged under the component discharge pipe, and a slider for distributing the chip-shaped circuit component from the component discharge pipe to the component transport path. Is a plate body that rotates, and a plurality of component storage holes for storing the chip-shaped circuit components are arranged around the rotation center of the slider, and the component storage holes are formed at the lower end of the component discharge pipe as the slider rotates. It passes through the bottom and the inspection position that detects the presence or absence of chip-shaped circuit components inside it, and above this inspection position.
Towards the component storage hole that stopped there,
Whether there is contact with the chip-shaped circuit components stored in the storage holes
-Based sensing by detecting the presence or absence of chip-shaped circuit components
There is provided a chip-shaped circuit component supply device characterized by arranging means .

[0008]

In the chip-shaped circuit component supply device according to the present invention, the inspection position for detecting the presence or absence of the chip-shaped circuit component when the component storage hole of the slider passes under the component discharge pipe.
, Where the inspection means checks the inside of the component storage hole.
-Up like circuit components because that whether the inspection of, while receiving the chip-like circuit component in the component accommodating hole from the component discharge pipe 49, it is possible to check whether reliably chip-like circuit component is accepted. Therefore, at this point in time, after the presence or absence of the chip-shaped circuit component is inspected, the chip-shaped circuit component can be sent from the component storage hole, so that the chip-shaped circuit component to be supplied to the supply destination is out of stock. To be prevented. this
In such a chip-shaped circuit component supply device, as described above,
Chip-shaped circuit components stored in multiple component storage holes
To send out all at once. Therefore, this chip-shaped circuit component
When inspecting for presence or absence, the bottom of the component storage hole is the shutter.
It is closed by etc. The chip-shaped circuit component according to the present invention
In the supply device, as the above-mentioned inspection means, stop at the inspection position
To the component storage hole,
Depending on the presence or absence of contact with the chip-shaped circuit components stored in
A stylus type that detects the presence or absence of chip-shaped circuit parts is used.
Since the component storage hole is closed by a shutter etc.
Even if it is present, the presence / absence of chip-shaped circuit components can be reliably detected.
be able to.

[0009]

Embodiments of the present invention will now be described in detail with reference to FIGS. A component feeder according to an embodiment of the present invention is shown in FIG. In this embodiment, a base member 38 having a funnel-shaped bottom surface and a cylindrical tubular member 39 fitted around the base member 38.
The container 1 is composed of A through hole is opened in the central portion where the bottom surface of the base member 38 is the lowest, and the upper end of the component discharge pipe 49 is slidably fitted into the through hole, and the upper end of the pipe 49 is inserted into the container 1. There is. In the illustrated case, the component discharge pipe 49 is inserted so as to substantially coincide with the central axis of the container 1, and the upper end thereof is obliquely opened.

A slide member 37 protruding from the central portion of the bottom surface of the base member 39 is slidably fitted in a recess of a guide member 36 fixed to a guide base 38 . Further, the guide base 38 is attached to the frame 35. A vertical drive mechanism (not shown) is connected to the container 1. As a result, the container 1 is guided by the guide member 36 and is vertically reciprocally driven.

At the lower end of the component discharge pipe 49, an escapement mechanism is provided for letting out the chip-shaped electronic components a one by one to the component transfer paths 10, 10 ... Which communicate with the guide pipes 21, 21 ,. . That is, a disk-shaped slider 54 is arranged below the lower end of the component discharge pipe 49, and the slider 54 rotates around its center as indicated by the arrow. Around the rotation center of the slider 54, a chip-shaped electronic component a is vertically
A plurality of component storage holes 64, 64, ... The parts discharge pipe 49
The lower end of is placed directly above the position where the component storage holes 64, 64 ... Pass by the rotation of the slider 54.

Further, by the rotation of the slider 54, an inspecting device for inspecting the presence or absence of the chip-shaped circuit component a therein is arranged at a position where the component storage holes 64, 64 ... Pass through. For example, in the embodiment shown in FIGS. 1 and 2, the stylus 52 connected to the solenoid 56 via the damper 53 is arranged above the component storage holes 64, 64 ...
In the illustrated case, the stylus 52 is arranged at a position where the slider 54 is rotated 180 ° from the position of the component discharge pipe 49. Further, an arm 58 is provided so as to project from the stylus 52, and a sensor 57 for detecting the arm 58 is arranged beside it.

When the component storage hole 64 comes under the stylus 52, the solenoid 56 is actuated to push down the stylus 52. At this time, if the chip-shaped circuit component a exists in the component storage hole 64. The tip of the stylus 52 hits the chip-shaped circuit component a to prevent its descending, and the stroke of the solenoid 56 is absorbed by the damper 53. In this state, the arm 58 does not reach the sensor 57, as shown in FIG.
The sensor 57 does not detect the arm 58. On the other hand, if there is no chip-shaped circuit component a in the component storage hole 64, the stylus 52
Is inserted deep into the component storage hole 64. In this state, the arm 58 further descends from the position shown in FIG.
8 is detected. As a result, it is detected that the chip-shaped circuit component a does not exist in the component storage hole 64. It should be noted that the inspection of the presence or absence of the chip-shaped circuit component a is performed in parallel when the other component storage hole 64 receives the chip-shaped circuit component a under the component discharge pipe 49.

The frame 3 placed under the slider 54
5 are connected with the same number of component transfer paths 10, 10 ... As the component storage holes 64, 64 ... Of the slider 54, and the upper ends of the component transfer paths 10, 10 ... , 64 ... Are arranged concentrically with the same diameter at the same angle. However, their positions are 30 ° with respect to the component storage holes 64, 64 ... Of the slider 54.
Deviated.

Between the slider 54 and the frame 35, a plate-like shutter 50 that slides left and right in FIG. 1 is arranged. In the shutter 50, component passage holes 51, 51 ... Are opened at the same intervals on a circle having the same diameter as the arrangement of the component conveyance paths 10, 10 ..., By sliding the component passage holes 51, 51. .. are aligned with the upper ends of the component transfer paths 10, 10 ...

In this component supply device, as the container 1 moves up and down, the chip-shaped electronic components a, a housed therein are placed.
Are taken out vertically in a line in the component discharge pipe 49. As the slider 54 rotates, as shown in FIG. 2, when the component storage holes 64, 64, ... sequentially pass through the lower ends of the component discharge pipes, one chip-shaped electronic component is stored therein. . At this time, as shown in FIG. 1, in the shutter 50, the component passage holes 51, 51 ... And the component storage holes 64, 64.
0, 10, ... Are displaced from the upper ends, and therefore the lower ends of the component storage holes 64, 64 ... Of the slider 54 are closed.

After that, when the component housing hole 64 is moved below the stylus 52 by the rotation of the slider 54, the presence or absence of the chip-shaped circuit component a in the component housing hole 64 is inspected there as described above. Then, if it is found that the chip-shaped circuit component a is not present in the certain component storage hole 64,
The slider 54 is rotated to move the component storage hole 64 again below the component discharge pipe 49, and the chip-shaped circuit component a is received therein.

Thus, all of the component storage holes 64, 64
After the chip-shaped electronic components a, a ... Are housed in the ..., The slider 54 is further rotated by 30 °. Then, the component storage holes 64, 64, ... Of the slider 54 and the upper ends of the component transport paths 10, 10 ,. In this state, the shutter 50 is slid to align the component passage holes 51, 51 ... With the upper ends of the component transport paths 10, 10 ,.
... and the component transfer paths 10, 10 ... Are communicated with each other through the component passage holes 51, 51 ... Of the shutter, and the chip-shaped electronic components a housed in the plurality of component storage holes 64, 64. , A ... Are sent to the component transport paths 10, 10 ,. Thereafter, the slider 54 rotates 30 ° to return to the original position, the shutter 50 also returns to the original position, and the same operation is repeated thereafter, and the chip-shaped electronic components a, a ...
Is sent out.

In the above embodiment, a combination of the stylus 52, the solenoid 56 and the sensor 57 is used as a means for inspecting the presence or absence of the chip-shaped circuit component a in the component storage hole 64. It is also possible to use the above inspection means. For example, one in which the insertion depth of the stylus 52 is directly measured with a linear scale, or a light emitter and a light receiver are arranged above the component storage hole 64, and the light emitted from the light emitter is chip-shaped circuit component. Means for determining the presence or absence of the chip-shaped circuit component based on whether or not the light reflected by the electrode portion of a can be received by the light receiver.

[0020]

As described above, according to the present invention, it is possible to inspect a chip-shaped circuit component in another component storage hole while receiving the chip-shaped circuit component from the component discharge pipe into the component storage hole of the slider. that since it is discovered that there is no chip-like circuit component prior to the operation for feeding the chip-like circuit component parts receiving hole, prevent shortage
In this way, it is possible to provide a chip-shaped circuit component supply device with few malfunctions . A stylus type was used as the inspection means.
This ensures that the bottom of the component storage hole is closed.
Also, the presence or absence of chip-shaped circuit components can be reliably inspected.

[Brief description of drawings]

FIG. 1 is a perspective view of a longitudinal section of a main part of a chip-shaped circuit component supply device according to an embodiment of the present invention.

FIG. 2 is a vertical sectional side view of a main part of an escapement portion of the component supply device.

FIG. 3 is a vertical cross-sectional view of a main portion of a conventional chip-shaped circuit component supply device.

FIG. 4 is a plan view of relevant parts showing the arrangement relationship of component passages in the escapement portion of the component supply device.

5 is an enlarged cross-sectional view taken along the line BB in FIG. 1 Container 10 Component Transport Path 49 Component Discharge Pipe 52 Stylus 53 Damper 54 Slider 56 Solenoid 57 Sensor 58 Stylus Arm 64 Slider Component Storage Hole a Chip-shaped Circuit Component

Claims (1)

(57) [Scope of utility model registration request] 1. A container in which chip-shaped circuit components are stored in a bulk shape, a component discharge pipe from which the chip-shaped circuit components are discharged in a row, and a component which is arranged under the component discharge pipe. In a chip-shaped circuit component supply device including a transport path and a slider for distributing the chip-shaped circuit component from a component discharge pipe to the component transport path, the slider is a plate that rotates, and a slider is provided around a rotation center of the slider. A plurality of component storage holes in which the chip-shaped circuit components are stored are arranged, and the component storage holes are under the lower end of the component discharge pipe according to the rotation of the slider and an inspection for detecting the presence or absence of the chip-shaped circuit components therein. Position and above this inspection position
Lowers toward the parts storage hole stopped there,
Depending on the presence or absence of contact with the chip-shaped circuit components housed in the holes
, A stylus-type detector that detects the presence or absence of chip-shaped circuit components.
A chip-shaped circuit component supply device characterized by arranging steps .