JPS60244713A - Feeding device - Google Patents

Abstract

PURPOSE:To prevent damage and remaining of articles, by a method wherein, in an auto handler article feeder for production of semiconductor, articles are pushed out through feeding of a reeling type pushing member located down a line from an article container. CONSTITUTION:Pinch rollers 16 are intermittently forward rotated, a pushing member 13 is fed by one pitch at a time from a reel 14, and the pushing member is caused to enter a magazine 8 through an opening at the rear end of the magazine 8 at the lowermost stage of a stocker 9 to push out one IC7 at a time. The IC7 is returned to an empty magazine 10 through a measuring part 3. When pushing out of the IC7 in one full magazine 8 is completed, an optical detector, not shown, detects said completion, the pushing member 13 is reeled around a reel 14 through reverse rotation of the pinch rollers 16, and waits for pushing out of parts in the next magazine 8. This constitution enables the feed of a total quantity without damage of IC.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to an article supply technique, and in particular to a technique for sequentially supplying a plurality of articles housed in a container. related to effective techniques.

[Background technology]

In an IC autohandler that inspects good and defective semiconductor devices (hereinafter referred to as IC), a dead weight drop method is used as a method (sample feeding method) for sequentially feeding ICs (sample) stored in a cylindrical magazine. There is ('If,
Separate volume of child materials 1981, published by Kogyo Kenkyukai, 1981
Published January 10th, P226-P230).

However, in the automatic drop method described above, the IC
ICs are not fed inside the magazine due to their own weight.
If the IC becomes clogged, the IC may remain in the magazine, or if the IC falls under its own weight, the IC may become stuck in the stopper 1. Alternatively, the inventors have discovered that there is a problem in that the collision occurs with an IC or the like, causing cracking or chipping, especially in ceramic-sealed ICs.

[Purpose of the invention]

An object of the present invention is to provide a feeding technique that can feed articles housed in containers without leaving any residue or damaging them.

The above and other objects and novel features of the present invention will become apparent from the description of this specification and the accompanying drawings.

[Summary of the invention]

A brief overview of typical inventions disclosed in this application is as follows.

That is, the extrusion member wound on the reel is let out by the rotation of the pinch roller, and the IC stored in the magazine is
by forcing it out.

It is possible to remove the ICV without leaving the IC in the magazine.
C.It can be supplied without causing injury.

〔Example〕

Fig. 1 is a schematic side view showing an auto controller equipped with an IC supply device which is an embodiment of the present invention, Fig. 2 is an enlarged partial sectional view, and Fig. 3 is a cross section taken along the line ■-■ in Fig. 2. It is a diagram.

In this embodiment, the autohandler includes a loader section 1, a first transport section 2, a measuring section 3, a second transport section 4, and an unloader section 5. Well equipped. The loader section 1 includes a magazine 8 that accommodates a plurality of ICs 7 as articles to be supplied arranged in one row.
A stocker 9 for stacking and storing empty magazines 10 is provided, and a stocker 11 for stacking and storing empty magazines 10 is provided in the unloader section 5.

First conveyance section 2. In the second transport section 4, the ICs 7 are placed on the rails 12, and are moved to the measuring sections 3, 3, and 3 by a claw feeding mechanism (not shown). It can be transported up to 5 points before the unloader.

The IC supply device 6 is equipped with a reel 14 around which is wound an extrusion member 13 formed into an elongated plate shape from a flexible material such as synthetic resin or steel. It is installed on the side opposite to the side connected to the first transport section 2. The reel 14 is configured to wind the extrusion member 13 so as to be freely retractable and retractable, and is arranged such that its entrance/exit 15 is located at the lower end opening of the stocker 9 . Near the entrance/exit 15 of the reel 14, a pair of upper and lower pinch rollers 16 are provided so as to pinch and press the extrusion member 13. It is configured to carry out the extension and renormalization. Pinch roller 16 and stocker 9
A guide 17 is provided between the two and so as to guide the extrusion member 13, and the guide 17 slidably holds the extrusion member 13 and guides it in alignment with the cylindrical center of the lowest magazine 80 of the stocker 9. It has become.

The magazine is formed into a long cylindrical body with a generally concave cross section as shown in Fig. 3, and the dual in-line type IC7s are accommodated in a single row across the center saddle. It has become.

FIGS. 4 and 5 are diagrams for explaining a detection mechanism that detects that all ICs have been supplied from within the magazine. In the figure, 18 is a light emitter, whose longitudinal direction is perpendicular to the longitudinal direction of IC 7, and magazine 8.
and is arranged near the boundary of the rail 12. 19 is light, which is emitted from the light emitting body 18, and is emitted from the IC7.
It is designed to hit the longitudinal side. Reference numeral 20 denotes a light receiving body, which is disposed at a position facing the light emitting body 18 across the rail 12 so as to be able to receive light 19 from the light emitter 18 .

In other words, while the ICs 7 are being sequentially supplied from the magazine 8 onto the rail 12, the light 19 emitted from the light emitter 18 is as shown in FIG.

The photoreceptor 20 cannot receive the light 19 as it hits the longitudinal side surface of the IC 7 . However, from magazine 8 to I
When all C7 are supplied onto the rail 12, the light 19 emitted from the light emitter 18 is received by the light receiver 20, as shown in FIG. Light 19 by photoreceptor 20
After detecting, the push-out member 1 is rotated by rotating a pinch roller (not shown) in the opposite direction to that when supplying the IC7.
3 will be wound back onto the reel 14.

Next, the action will be explained.

When the ICs 7 are sequentially supplied one by one, the pinch roller 16 is intermittently rotated in the forward direction. Due to this intermittent rotation,
The push-out member 13 pinched by the pinch roller 16 is fed out one by one from the reel 14, and the push-out member 13 enters the inside of the magazine 8 from the rear end opening of the magazine 8 located at the lowest stage in the stocker 9 and is housed therein. IC7
Press one by one.

When pushed by the push-out member 13, the ICs 7 and the magazine 8 are pushed out one by one onto the rail 12 in the first transport section 2. IC7 is controlled by a claw feeding mechanism (not shown).
is conveyed one pitch at a time in a predetermined direction.

The IC 7 that has been transported to a predetermined position on the rail 12 in the first transport section 2 is changed direction by an appropriate direction changing device,
The sample is sent to the measuring section 3, where it is subjected to a preset screening test (measurement).

After the measurement, the IC 7 is transferred to the rail 12 in the second transport section.
It is transferred to the top and conveyed to the unloader section 5 by a claw feed mechanism (not shown). The ICs 7 of the measuring cylinder are sequentially placed in the empty magazine 10 of the stocker 11.

On the other hand, the reel 14 was also fed out by the pinch roller 16, and the pushing member 13 pushed out the ICs 7 one after another.
When the detection mechanism shown in FIGS. 4 and 5 detects that the extrusion of the ICs 7 housed in one magazine 8 has been completed, the pinch roller 16 rotates in the opposite direction, so that the reel 14 is It is renormalized, returns to its original state, and is ready for the next supply operation.

〔effect〕

(1) By pushing out the items stored in the container with the pushing member, it is possible to forcefully eject them from the container, so even if an item gets caught in the container, it will all be pushed out without causing a blockage. can be supplied by

(2) By pushing out the articles, collisions between the articles due to their own weight can be avoided, so damage such as cracks and chips to the articles can be prevented.

(3) By letting out the push-out member using a pinch roller, the structure of the reel can be simplified, and since it is not affected by the inertia of the reel, pinch feed can be easily and accurately controlled.

Although the invention made by the present inventor 9 has been specifically explained based on Examples above, the present invention is not limited to the above-mentioned Examples, and it should be noted that various changes can be made without departing from the gist of the invention. Not even.

For example, the extrusion member wound around the reel is not only fed out using a pinch roller, but may also be fed out by rotating the winding shaft of the reel.

[Application field]

In the above description, the invention made by the present inventor was mainly applied to a supply device for pushing out and supplying ICs from a magazine in an I/C handler, which is the field of application in which the invention was made by the present inventor, but the invention is not limited to this. For example, the present invention can be applied to a supply device in an electronic component insertion and mounting device.

[Brief explanation of the drawing]

Fig. 1 is a schematic side view showing an autohandler equipped with an IC supply device that is an embodiment of the present invention, Fig. 2 is an enlarged partial sectional view, and Fig. 3 is a sectional view taken along the line ■-■ in Fig. 2. . FIGS. 4 and 5 are diagrams for explaining a detection mechanism that detects that all ICs have been supplied from within the magazine. DESCRIPTION OF SYMBOLS 1... Loader part, 2... First conveyance part, 3. Measurement part. 4... Second transport section, 5 Unloader, 6. IC supply device, 7... ICl3... Magazine (container), 9.1
1...Stocker, 10...Empty magazine, 12...Rail. 13... Extrusion member, 14... Reel, 15...
・Entry/exit 0.16...pinch roller, ]7...guide,
18 light emitter, 19...light, 20...photoreceptor. Figure 1 R 1/V:l ■Yo Figure 3 Figure 4 Figure 5 Shi1

Claims (1)

[Claims] 1. A reel wrapped with a pushing member is provided at the rear of a container in which a plurality of articles are arranged and housed, and the pushing member is fed out from the reel to push out the articles in the container. A feeding device configured in 2. The feeding device according to claim 1, wherein the pushing member is configured to be fed out from a reel by a pinch roller.