JPH0627746U - Chip circuit component supply device - Google Patents

Abstract

(57) [Summary] (Corrected) [Purpose] Accepting chip-shaped circuit components from the component discharge pipe to the component storage hole of the slider, and inspecting the presence of chip-shaped circuit components in the component storage hole before sending them next. By
Prevent shortages. [Structure] After the chip-shaped circuit component a is received from the component discharge pipe into the component storage hole 64 as the slider rotates, the component storage hole 64 passes under the stylus 52. Here, it is inspected whether or not the chip-shaped circuit component a is present in the component accommodating hole 64, depending on the depth of depression of the stylus 52 by the solenoid 56. 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.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a device for taking out chip-shaped circuit components in a line from a container in which the chip-shaped circuit components are stored in a bulk, and sending them one by one to a component transport path.

[0003]

[Prior art]

 2. Description of the Related Art An automatic mounting device is used in which chip-shaped circuit components stored in bulk in a plurality of containers are taken out one by one and mounted at predetermined positions on 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, for example, one by one to the component transfer path leading to the guide pipe of the distributor. send.

In the conventional chip-shaped circuit component supply device of this type, the mechanism for feeding the chip-shaped circuit component from the component discharge pipe to the component transfer path slides between them and the chip-shaped circuit component is transferred to the two component transfer paths. It was equipped with a slide plate for alternately feeding. However, in such a conventional slide plate, one reciprocating movement of the slider supplies only one chip-shaped circuit component to the two component transfer paths alternately. For this reason, when a plurality of chip-shaped circuit components of the same type are to be mounted on the circuit board, the number of containers that are half the number of mounted chip-shaped circuit components must be provided.

Therefore, the inventors of the present invention have previously proposed a component supply device using a rotating slider, and filed a utility model registration application (1990 utility model registration application No. 35122). The outline will be described below with reference to FIGS. 3 to 5. That is, as shown by the arrow in FIG. 3, as the container 1 is reciprocated up and down, the chip-shaped circuit parts a housed in the container 1 in a bulk shape are placed in the part discharge pipe 49. Are taken out in a line. One of the chip-shaped circuit parts a arranged in the discharge pipe 49 is placed in each of the part storage holes 64, 64, ... As the disk-shaped slider 54 intermittently rotates in the direction of the arrow in FIGS. Stored one by one. 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 further rotates in the direction shown by the arrow in FIGS. The upper ends of the lower component transport paths 10, 10 ... Align vertically with each other. Thereafter, the shutter 50 slides as shown by an arrow in FIG. 4, and as shown in FIG. 5, the component passage holes 51, 51 ... Include the component storage holes 64, 64. Through. Therefore, the chip-shaped circuit components a 1, a ... Stored in the component storage holes 64, 64 ... Are sent to the component transport paths 10, 10 ,. After that, the slider 54 and the shutter 50 return to their original positions, and the same operation is repeated thereafter.

[0006]

[Problems that the device is trying to solve]

 In the above-mentioned component supply device proposed by the present inventors, a large number of chip-shaped circuit components a can be sent at a time to the component transfer paths 10, 10 ... However, in this case, the chip-shaped circuit component a may not be sent 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, a trouble that the chip-shaped circuit component a to be normally supplied is not supplied to a predetermined supply destination, that is, a so-called out-of-stock product occurs. Therefore, the present invention solves this problem and accepts the chip-shaped circuit component a from the component discharge pipe 49 into the component storage hole 64 of the slider, and the presence or absence of the chip-shaped circuit component a in the component storage hole 64 before sending it next. An object of the present invention is to provide a component supply device capable of inspecting.

[0007]

[Means for Solving the Problems]

 That is, according to the present invention, in order to achieve the above object, a container in which chip-shaped circuit components are stored in a bulk shape, a component discharge pipe in which the chip-shaped circuit components are discharged in a line from the container, and the component discharge pipe. In a chip-shaped circuit component supply device provided with a component transport path disposed below, and a slider that distributes a chip-shaped circuit component from a component discharge pipe to the component transport path, the slider is a plate that rotates, A plurality of component accommodating holes for accommodating the chip-shaped circuit components are arranged around the rotation center of the slider, and the component accommodating holes are below the lower end of the component discharge pipe as the slider rotates and the chips therein. Provided is a chip-shaped circuit component supply device, which is characterized by passing through an inspection means for detecting the presence or absence of the circuit component.

[0008]

[Action]

 In the device for supplying chip-shaped circuit parts according to the present invention, the part storage hole of the slider passes under the part discharge pipe and further passes through the inspection means for detecting the presence or absence of the chip-shaped circuit part. It is possible to inspect whether the chip-shaped circuit components have been reliably received while receiving the chip-shaped circuit components in the storage hole. Therefore, at this point, after checking for the presence of chip-shaped circuit components, the chip-shaped circuit components can be sent from the component storage holes, so that the chip-shaped circuit components to be supplied to the supply destination are out of stock. Prevented in advance.

[0009]

【Example】

 Next, an embodiment of the present invention will be described in detail with reference to FIGS. 1 and 2. A component feeder according to an embodiment of the present invention is shown in FIG. In this embodiment, the container 1 is composed of a base member 38 having a funnel-shaped bottom surface, and a cylindrical tubular member 39 fitted in the peripheral portion of the base member 38. 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 through this through hole, and the upper end of the pipe 49 is inserted into the container 1. ing. 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 center 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 50. Furthermore, the guide base 50 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 reciprocally driven up and down.

At the lower end of the component discharge pipe 49, an escapement mechanism is provided to allow the chip-shaped electronic components a to escape to the component transfer paths 10, 10 ... Which communicate with the guide pipes 21, 1 ,. ing. 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 plurality of component accommodating holes 64, 64, ... Each of which has a size to accommodate only one chip-shaped electronic component a in the vertical direction are formed at constant angles. The lower end of the component discharge pipe 49 is disposed right 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 inspection device for inspecting the presence or absence of the chip-shaped circuit component a therein is arranged at a portion where the component storage holes 64, 64 ... Pass. 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 housing hole 64 comes under the stylus 52, the solenoid 56 is activated and the stylus 52 is pushed down. At this time, if the chip-shaped circuit component a exists in the component housing hole 64. The tip of the stylus 52 hits the chip-shaped circuit component a and its descending is blocked, and the stroke of the solenoid 56 is absorbed by the damper 53. In this state, as shown in FIG. 2, since the arm 58 does not reach the sensor 57, the sensor 57 does not detect the arm 58. On the other hand, if the chip-shaped circuit component a is not present in the component storage hole 64, the tip of 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. 2 and reaches the sensor 57, so that the sensor 57 detects the arm 58. As a result, it is detected that the chip-shaped circuit component a 1 is not present in the component housing hole 64. 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.

To the frame 35 arranged below the slider 54, the same number of component transport paths 10, 10 ... As the component storage holes 64, 64 ... Of the slider 54 are connected, and the component transport paths 10, 10 ,. Are arranged at the same angle in concentric circles having the same diameter as the parts accommodating holes 64, 64 ... Of the slider 54 are arranged. However, their positions are deviated by 30 ° with respect to the component storage holes 64, 64 ... Of the slider 54.

Between the slider 54 and the frame 35, a plate-shaped shutter 50 that slides left and right in FIG. 1 is arranged. In this 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 transport paths 10, 10 ,. The parts 51, 51 ... Are aligned with the upper ends of the parts conveying paths 10, 10, ...

In this component supply device, as the container 1 moves up and down, the chip-shaped electronic components a, a ... Stored therein 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 ... Are displaced from the component storage holes 64, 64 ... Of the slider 54 and the upper ends of the component conveying paths 10, 10. Therefore, the lower ends of the component storage holes 64, 64 ... Of the slider 54 are closed.

After that, when the component storage hole 64 moves 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 storage hole 64 is inspected there as described above. If it is found that the chip-shaped circuit component a does not exist in a certain component storage hole 64, the slider 54 is rotated to move the component storage hole 64 again below the component discharge pipe 49. Then, the chip-shaped circuit component a is received therein.

After the chip-shaped electronic components a, a ... Are stored in all the component storage holes 64, 64 ... In this way, 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 storage holes 64, 64 ... 10 communicate with each other through the component passage holes 51, 51 ... Of the shutter, and the chip-shaped electronic components a, a ... Stored in the plurality of component storage holes 64, 64. It is sent to each of the paths 10, 10 ... Thereafter, the slider 54 rotates 30 ° and returns to the original position, the shutter 50 also returns to the original position, and the chip-shaped electronic components a, a ... Are sent out by repeating the same operation.

In the above-described embodiment, the 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, by directly measuring the insertion depth of the stylus 52 with a linear scale, or by arranging a light emitter and a light receiver above the component storage hole 64, the light emitted from the light emitter is chip-shaped. There is a means for judging the presence or absence of the chip-shaped circuit component based on whether or not the light reflected by the electrode portion of the circuit component a can be received by the light receiver.

[0020]

[Effect of device]

 As described above, according to the present invention, it is possible to inspect the presence or absence of 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. It is possible to find out that there is no chip-shaped circuit component before the operation to send out the chip-shaped circuit component in the storage hole, and prevent out-of-stock items, so it is possible to provide a chip-shaped circuit component supply device with few malfunctions. effective.

[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 Transfer 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 Circuit Component

Claims (1)

[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 chip-shaped circuit components from a component discharge pipe to a 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 accommodating holes for accommodating the chip-shaped circuit components are arranged, and the component accommodating holes are detected under the lower end of the component discharge pipe as the slider rotates and for detecting the presence or absence of the chip-shaped circuit components therein. And a chip-shaped circuit component supply device.