JPH0430192Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] This invention supplies ICs from the magazine of the loader to the measuring section, checks their electrical characteristics, and classifies the checked ICs according to their characteristics to be used in the unloader. It relates to an IC handler stored in a magazine, and particularly to a magazine storage part of a loader or unloader.

[Conventional technology]

To explain this with reference to the drawings, this type of magazine storage section 13 has a pair of front and rear magazine support columns 1a and 1b each having a U-shaped cross section, which are erected so that their U-shaped magazine guide grooves 2 face each other. Then, a plurality of magazines 8 are loaded and stored between the magazine guide grooves 2 of the pair of magazine support columns 1a, 1b, and the magazine support means A, B provided on both magazine support columns 1a, 1b are opened to open both magazine support columns 1a, 1b. Magazine support columns 1a, 1b
It is configured such that the magazines 8 can be taken out one by one from below.

Magazine 8 stores IC9, and the rear end is blocked by object 1.
Although it is handled by being closed at 0, it is desirable that the closing object 10 can be easily attached and detached during actual work and handling. Therefore, by inserting one end of a blocker 10 made of a tongue-shaped rubber body as shown in FIG. Although it is very easy to attach and detach the object 10, the obstruction 10 becomes an obstacle and the loader 11 and unloader 12
It could not be used in the magazine storage section 13. In other words, since the blocker 10 is made of rubber, it has the disadvantage that it gets caught on the rear inner surface of the U-shaped magazine guide groove 2 of the magazine storage section 13 and does not slide down, making it impossible to smoothly feed the magazine 8. .

Therefore, in the past, a spherical blocker was packed in the rear end of the magazine 8 to prevent the blocker from coming out of the magazine 8, or a pin (not shown) was implanted in the rear end of the magazine 8. He had taken the following measures.

[Problem that the invention attempts to solve]

However, in the conventional example described above, since a spherical blocker or pin is used, there are problems in that it is difficult to handle and is expensive.

The present invention was devised in view of the problems of the conventional method, and its purpose is to provide an easy-to-handle and inexpensive IC handler that allows the magazine to slide down without any problem even if an obstruction protrudes outside the magazine. It provides a magazine storage compartment.

[Means for solving problems]

In order to solve the above-mentioned problems and achieve the above-mentioned object, the present invention includes a pair of front and rear magazine support columns 1a and 1b having a U-shaped cross section, which are erected so that their U-shaped magazine guide grooves 2 face each other. A plurality of magazines 8 are loaded and stored between the magazine guide grooves 2 of the pair of magazine support columns 1a and 1b, and the magazine support means A and B provided on both magazine support columns 1a and 1b are opened to support both magazines. IC that allows magazines 8 to be taken out one by one from below pillars 1a and 1b
In the magazine storage section of the handler, the magazine support means B provided at least on the rear magazine support column 1b is connected to the magazine support column 1b.
A friction coefficient reducing means 3 is provided on the inner rear side of the magazine support column 1b, and the upper ends of a pair of swing arms 4 provided along the rear outer surface are pivotally supported on the rear outer surface of the magazine support column 1b. At the lower end of the swinging arm 4, a pair of magazine clamping arms 5, which clamp the magazine 8 housed between both magazine guide grooves 2 when closed, are mounted so as to face the windows 28 on the left and right sides of the magazine support column 1b. A cam 6 that protrudes from and opens and closes the pair of swinging arms 4 is disposed between the pair of swinging arms 4, and a tension spring 7 that biases the pair of swinging arms 4 in the direction of closing is disposed between the pair of swinging arms 4. It is stretched between a pair of swing arms 4.

[Effect]

When the cam 6 of the magazine support means B provided on the rear magazine support column 1b is actuated, the pair of swing arms 4 are opened against the tension spring 7, and the pair of magazine clamping arms 5 are opened. At the same time as the magazine 8 stored between the magazine guide grooves 2 is released, the magazine support means A provided on the front magazine support column 1a is also activated to release the magazine 8.

Due to this release, the magazine 8 will slide down from both magazine guide grooves 2, but at this time, even if the blocker 10 made of a rubber body inserted into the rear end of the magazine 8 protrudes, the blocker thing 10
Since the magazine 8 easily slides in contact with the friction coefficient reducing means 3, the magazine 8 slides down without any resistance.

〔Example〕

Fig. 1 is a front view of an IC handler to which the first embodiment of the magazine storage unit of the present invention is applied, and Fig. 2 is a perspective view of the rear magazine support pillar of the first embodiment of the magazine storage unit of the present invention, seen from the rear. , FIG. 3 is a perspective view similarly seen from the front, FIG. 4 is a sectional view of a part of the magazine stored in the first embodiment, and FIG.
The figure is a perspective view of the front magazine support column seen from the rear in the first embodiment.

First, the configuration of an IC handler to which the first embodiment is applied will be explained.

In FIG. 1, 11 is a loader, 14 is an IC supply device, 15 is a supply chute, 16 is a measuring section, and 17
18 is a test station, 18 is an operating section, 12 is an unloader, and 19 is a stand on which each block is placed.

First, load magazine 8 filled with IC9 to loader 1.
A large number of magazines are loaded in the magazine storage section 13 of the present invention. The loaded magazines 8 are taken out one by one from the magazine storage section 13 of the present invention, are supplied to the magazine tilting arm 20 of the IC supply device 14, and are tilted, so that the front end of the magazine 8 is tilted downward and the front end of the magazine 8 is tilted downward. Connected to the entrance.

When the connection between the magazine 8 and the supply chute 15 is completed, the ICs 9 in the magazine 8 slide down and into the supply chute 15, and are then individualized by the individualization device 39 and supplied to the measurement section 16. The ICs 9 supplied to the measuring section 16 are checked for electrical characteristics, classified according to their characteristics, and sent to the unloader 12.
When the magazines 8 are full, they are stacked in the magazine storage section 13 of the unloader 12 according to the present invention.

Next, the magazine storage section 1 of the present invention in the loader 11 and unloader 12 of such an IC handler
The configuration of the first embodiment of No. 3 will be explained in detail with reference to FIGS. 2 to 5.

As shown in FIG. 1, a pair of magazine support columns 1a and 1b each having a substantially U-shaped cross section are erected on a base 21 so that their U-shaped magazine guide grooves 2 face each other. 2 to 4 show the rear magazine support column 1b and the magazine support means B provided thereon. This magazine support means B has the following configuration. That is, a large number of rollers 22 are provided inside the rear part of the magazine guide groove 2 of the magazine support column 1b as friction coefficient reducing means 3, and their shafts are rotatably supported on the left and right inner surfaces, as shown in the fourth figure. A blocker 10 made of a rubber body protruding from the rear end of the magazine 8 comes into contact with the magazine 8.

An L-shaped mounting block 23 is fixed to the rear side of the magazine support column 1b, and a drive cylinder 24 is mounted to this mounting block 23. A cam 6 having a tapered V-shaped tip is screwed onto the drive cylinder 24. A pair of swing arms 4 are provided on both sides of the cam 6 along the rear outer surface of the magazine support column 1b.
Its upper end portion is pivotally supported by a support shaft 26.
At the lower ends of the pair of swinging arms 4, a pair of magazine clamping arms 5 which clamp the magazine 8 housed between both magazine guide grooves 2 when closed are installed at window portions 28 on the left and right sides of the magazine support column 1b. A rubber ring 27 for holding the magazine is fitted at the tip of the pair of arms 5 for holding the magazine. Both clamping rubber rings 27 are connected to window portions 2 formed on the left and right sides of the magazine support column 1b.
8, and the magazine 8 is held between the windows 28 through both windows 28.

In addition, the pair of swinging arms 4 include a cam follower 2.
9 is attached to both sides of the V-shaped tip of the cam 6. Further, a tension spring 7 is stretched between the lower ends of the pair of swing arms 4, so that the cam followers 29 of the pair of swing arms 4 are brought into contact with both sides of the V-shaped tip of the cam 6. , so that it is always biased in the closing direction. 30 is an adjustment bolt for adjusting the distance between the pair of swing arms 4.

FIG. 5 shows the front magazine support column 1a and the magazine support means A provided thereon. This magazine support means A has, for example, the following configuration.
That is, a support block 31 is attached to the rear outer surface of the magazine support column 1a.
1 has an upper end portion of a suspension arm 32 pivotally supported. An L-shaped claw 33 at the lower end of the suspension arm 32 projects inside the magazine guide groove 2 through a long hole 34 bored in the rear side of the magazine support column 1a. 35 is a claw drive cylinder that drives the suspension arm 32.

In addition, 36 is an elevating cylinder for raising the magazine 8 housed between both magazine guide grooves 2 by the distance of one magazine, 37 is both magazine support columns 1a,
This is a slide arm for fitting the magazine 8 taken out from below 1b into the fitting groove 38 and supplying it to the magazine tilting arm 20.

The operation of the first embodiment in the above configuration will be explained below.

An elevating cylinder 36 disposed directly below the magazine 8 rises by an interval corresponding to one magazine 8 and waits directly below the magazine 8. Then, the drive cylinder 24 is actuated, the cam 6 moves downward, and the pair of swing arms 4 are opened against the tension spring 7. Then, the clamping rubber rings 27 of the pair of magazine clamping arms 5 are opened, and the lowest magazine 8 stored between both magazine guide grooves 2 is released. At the same time, the claw drive cylinder 35 also operates to
2 to pull the claw 33 out of the magazine guide groove 2 of the magazine support column 1a. Then claw 33
The lowest magazine 8, which was locked in the magazine 8, comes off the claw 33, and the entire magazine 8 falls by one length onto the lifting cylinder 36 waiting below. At this time,
Since the blocker 10 packed at the rear end of the magazine 8 is in contact with the roller 22, the roller 22 rotates.
The magazine 8 falls without any resistance.

Then, the drive cylinder 24 operates in the opposite direction to close the pair of swing arms 4, close the clamping rubber rings 27 of the pair of magazine clamping arms 5, and clamp the second magazine 8 from the bottom. At the same time, the claw drive cylinder 35 is driven in the opposite direction to move the suspension arm 32 toward the magazine support column 1a, causing the claw 33 to protrude into the magazine guide groove 2 of the magazine support column 1a. to lock. In this way, the second and higher magazines 8 from the bottom are supported by the claws 33 and the clamping rubber ring 27.

Further, the lowermost magazine 8, which has become free in this way, descends as the elevating cylinder 36 descends, and fits into the fitting groove 38 of the slide arm 37 waiting below. When the magazine 8 is fitted into the fitting groove 38 of the slide arm 37, it moves to the magazine tilting arm 20 side, and the magazine 8 is fitted into the magazine tilting arm 20. When the magazine 8 is fitted into the magazine tilting arm 20. Tilt arm 20
is tilted so that the front end of the magazine 8 is tilted downward and connected to the inlet of the supply chute 15.

When the connection between the magazine 8 and the supply chute 15 is completed, the ICs 9 in the magazine 8 slide down and into the supply chute 15, and are then individualized by the individualization device 39 and supplied to the measurement section 16. During this time, the slide arm 37 returns to the magazine storage section 13 side and waits until the next magazine 8 is supplied.
After the ICs 9 supplied to the measuring section 16 are checked for electrical characteristics, they are classified according to their characteristics and stored in the magazine 8 of the unloader 12. When the IC 9 is full, it is moved to the unloader 12 in almost the opposite manner to the magazine storage section 13 of the loader 11. The magazines are stacked in the magazine storage section 13 of the magazine storage section 13.

In the first embodiment, the roller 22 is used as the friction coefficient reducing means 3, but instead of this, an escape groove 40 is provided on the rear inner surface of the magazine support column 1b as shown in FIG. 10 obstructions within 40
The protruding portion of the magazine 8 may be inserted into the magazine support column 1b so that the magazine 8 can slide smoothly within the magazine support column 1b.

[Effect of idea]

As described above, according to the present invention, since the friction coefficient reducing means 3 is provided at least inside the rear part of the magazine guide groove 2 of the rear magazine support column 1b,
Even if the blocker 10 made of a rubber body protrudes from the end of the magazine 8, the blocker 10
The magazine 8 is made to slide easily by the friction coefficient reducing means 3, so that the magazine 8 can slide down inside the magazine guide groove 2 without any hindrance. The upper end portions of a pair of swinging arms 4 provided along the axis are pivotally supported, and the lower end portions of the pair of swinging arms 4 are provided with a pair of swinging arms 4 that sandwich the magazine 8 stored between both magazine guide grooves 2 when closed. The magazine clamping arms 5 are protruded so as to face the windows 28 on the left and right sides of the magazine support column 1b, and the cams 6 for opening and closing the pair of swinging arms 4 are arranged between the pair of swinging arms 4. At the same time, since a tension spring 7 that biases the pair of swing arms 4 in the closing direction is tensioned between the pair of swing arms 4, the magazine 8 can be held from both sides by the pair of magazine clamping arms 5. I started to hold it,
The friction coefficient reducing means 3 provided inside the rear part of the magazine guide groove 2 can be constructed over the entire length of the magazine guide groove 2. Further, since the magazine 8 is sandwiched from both sides in this way, it is not affected by the shape of the end of the magazine 8.

Furthermore, since the other end of the blocker 10 inserted into the magazine 8 can protrude from the rear end of the magazine 8, the blocker 10 can be attached and removed very easily, and an easy-to-handle and inexpensive rubber body can be used. can.

[Brief explanation of the drawing]

Fig. 1 is a front view of an IC handler to which the first embodiment of the magazine storage unit of the present invention is applied, and Fig. 2 is a perspective view of the rear magazine support pillar of the first embodiment of the magazine storage unit of the present invention, seen from the rear. , FIG. 3 is a perspective view similarly seen from the front, FIG. 4 is a sectional view of a part of the magazine stored in the first embodiment, and FIG.
The figure is a perspective view of the front magazine support column seen from the rear in the first embodiment, and FIG. 6 is a perspective view of a part of the magazine storage section in the second embodiment. 1a...Front magazine support column, 1b...Rear magazine support column, 2...Magazine guide groove, 3
...Friction coefficient reducing means, 4... Swinging arm, 5...
...Magazine holding arm, 6...Cam, 7...Tension spring, 8...Magazine, 9...IC, 13...
Magazine storage section, 22...roller (friction coefficient reducing means), 27...rubber ring for clamping, 28...window section, A, B...magazine support means.

Claims (1)

[Scope of claim for utility model registration] A pair of front and rear magazine support columns 1a having a U-shaped cross section;
1b are erected so that their U-shaped magazine guide grooves 2 face each other, and the pair of magazine support columns 1
A plurality of magazines 8 are loaded and stored between the magazine guide grooves 2 of a and 1b, and both magazine support columns 1a,
In the magazine storage section of the IC handler, in which the magazine support means A and B provided at the rear magazine support column 1b are opened so that the magazines 8 can be taken out one by one from below both magazine support columns 1a and 1b, at least the rear magazine support column 1b is The provided magazine support means B is attached to this magazine support column 1b.
A friction coefficient reducing means 3 is provided inside the rear of the magazine support column 1b, and the upper ends of a pair of swing arms 4 provided along the rear outer surface are pivotally supported on the rear outer surface of the magazine support column 1b. At the lower end of the swinging arm 4, a pair of magazine clamping arms 5, which clamp the magazine 8 housed between both magazine guide grooves 2 when closed, are mounted so as to face the windows 28 on the left and right sides of the magazine support column 1b. A cam 6 for opening and closing the pair of swing arms 4 is disposed between the pair of swing arms 4, and a tension spring 7 for biasing the pair of swing arms 4 in the direction of closing is disposed between the pair of swing arms 4. The magazine storage section of the IC handler is stretched between a pair of swinging arms 4.