JPH07196159A - Line-up device for rod-like article - Google Patents

Abstract

PURPOSE:To automatically line up rod-like articles by setting the rod-like articles at a predetermined position with the use of a handling device, and by retaining the trailing end one of the rod-like articles by a rolling checking device. CONSTITUTION:After a predetermined number of ICs having a satisfactory quality are packed in a magazine 10 at a good quality article packing station 25, the packed magazine 10A is held by a handling device 33 which lifts up and carries the packed magazine 10A to a predetermined position. Then, the packed magazine 10A is set on one of packed magazines 10 which have been already lined up in a lower stage row within a container 31. In this phase, the packed magazine 10A is adjacent to a packed magazine 10A which has been previously carried, that is, which is arranged at the trailing end of the same stage row. Then, a retaining block 43 which has retained the previous packed magazine 10A is shifted onto the present packed magazine 10A which is therefore retained thereby. After it is retained, the holding of the handling device 33 is released.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for arranging rod-shaped objects, for example, in a process of manufacturing a semiconductor device, for sequentially packing stick-shaped magazines containing semiconductor devices in a container in an aligned state. Regarding what is valid to use.

[0002]

2. Description of the Related Art Generally, in the manufacturing process of a semiconductor device, the manufactured semiconductor device undergoes a screening inspection for non-defective products by an IC handler, and the non-defective products are automatically stored in a magazine. Then, the magazines in which the semiconductor devices are stored are sequentially stored in a container using a cardboard box or the like.

Conventionally, when a magazine is packed in a container, the magazine is automatically dropped from the IC handler into the container. Then, the magazines in the container are manually arranged by the worker so as to be packed.

As an example in which the IC handler is mentioned, "Electronics November 1989 issue, separate volume", published by Kogyo Kenkyukai Co., Ltd., November 10, 1991, P163 to P16
There are seven.

[0005]

In the conventional IC handler, although the packing work of the semiconductor device in the magazine is automated, the alignment work in the container of the actual magazine is not automated. , After all,
Unnecessary operation cannot be realized because the operator needs manual work.

An object of the present invention is to provide a rod-shaped object aligning device which can automatically perform an operation of aligning rod-shaped objects.

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

[0008]

The typical ones of the inventions disclosed in the present application will be outlined below.

That is, the rods are parallel to each other, and
While aligning adjacently, on a row of aligned rod-shaped object group, in a rod-shaped object aligning device for stacking and aligning each rod-shaped object in the lower stage and each rod-shaped object in the upper stage to be aligned, The rod-like object is detachably held and transferred, and the handling device is placed at a predetermined position, and intermittently moves along the alignment direction of the rod-shaped object, and moves up and down to press the last rod-shaped object. The present invention is also provided with a roll-stop device.

[0010]

According to the above-mentioned means, the rod-shaped objects as the objects to be aligned are conveyed to a predetermined alignment place by the handling device, and are arranged regularly. Then, at the same time as it is placed, the last bar-like object is in a state of being pressed by the anti-roll device. Therefore, after the holding by the handling device is released, the last bar-shaped object is prevented from rolling to the side where the bar-shaped objects are not aligned by the anti-roll device.

Thereafter, by repeating the above-mentioned operation, the rod-shaped objects are aligned in a row in the lateral direction, and
They are stacked in the vertical direction. At this time, since the last bar-shaped object in the relevant stage is held by the anti-roll device until it is supported by the next bar-shaped object, the alignment work and the stacking work are properly performed and no human intervention is required. Will be automatically executed.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a front sectional view showing an essential part of a magazine aligning device according to an embodiment of the present invention, FIG. 2 is a side sectional view thereof, and FIG. 3 is a front sectional view for explaining its operation. Figure 4
FIG. 3 is a perspective view showing the whole thereof.

In the present embodiment, the rod-shaped object aligning apparatus according to the present invention stores a magazine (hereinafter, also referred to as an actual magazine), which is attached to an IC handler and stores good semiconductor devices, in a container. At the same time, they are arranged in a stack.

In the present embodiment, the magazine 10 as a rod-shaped object to be aligned is integrally formed in the shape of an elongated rod-shaped (stick-shaped) rectangular tube using a resin or the like.
The magazine 10 includes a main body 11, and the main body 11 is formed in a rectangular tube shape having a substantially square cross section. Body 11
In the pair of upper corners (upper corners), inclined surface portions 12 having an angle of about 45 degrees are formed symmetrically, leaving a flat portion 13 at the center. In addition, a saddle portion 14 is provided on the bottom wall of the main body 11 so as to project upward in a direction perpendicular to the channel shape. The saddle portion 14 is a semiconductor integrated circuit device (hereinafter, referred to as a semiconductor integrated circuit device) including a dual in-line package as an article to be packed. DIP / IC or simply IC) is mounted.

DIP as an article to be packed in the magazine 10
The IC 1 includes a package 2 formed in a rectangular parallelepiped shape, and a plurality of outer leads 3 are provided on both side surfaces on the long side of the package 2 and are bent downward at equal intervals in the longitudinal direction. There is. And this DIP IC1
The lower surface of the package 2 is in the saddle portion 14 in the magazine 10.
The outer leads 3 on both sides are placed on the saddle part 1
It is stored in a state of being hung on both sides of 4.

In this embodiment, the magazine aligning device is incorporated in a tilt table 21 of an IC handler (only part of which is shown) 20. The tilt table 21 is tilted at an angle such that the IC 1 can slide down in the magazine 10. Note that, in FIGS. 1 to 3, the inclination is omitted for convenience sake.

A sorting chute 2 is provided at the upper end of the inclined table 21.
2 is provided, and the sorting chute 22 is connected to a measuring section (not shown) of the IC handler 20 and is configured to sort the IC1 measured by the measuring section into a non-defective product and a defective product. There is.

Below the sorting chute 22, a defective chute 23 and a non-defective chute 24 are arranged next to each other. The defective product chute 23 is configured to send the defective product ICs delivered from the sorting chute 22 to a magazine (not shown) for packing defective products.

On the other hand, a non-defective packing stage 25 is set to face the downstream opening position of the non-defective chute 24 on the tilt table 21, and an empty magazine holder is provided on one side of the stage 25 on the tilt table 21. 26 are provided. The empty magazine holder 26 is configured to hold a large number of empty magazines 10 stacked in a row. Then, the empty magazines 10 stacked in the holder 26 are sequentially delivered to the non-defective product packing stage 25 one by one by a loading device (not shown).

In this embodiment, the magazine aligning device 3
0 is a container holder 31 that holds a container 32
The holder 31 is installed on the lower side of the tilt table 21 on one side opposite to the empty magazine holder 26, in parallel with the tilt table 21. The container holder 31 is formed in a box-shaped drawer structure, and is configured to accommodate the container 32 in a replaceable manner. The container 32 is formed in the shape of a rectangular box, and is configured so that a large number of magazines can be arranged side by side and stacked vertically.

The magazine aligning device 30 is provided with a handling device 33, and the handling device 33 is provided with a pair of belt conveyors 34. Both conveyors 3
4, 34 are respectively arranged at the upper and lower positions of the tilt table 21,
Position of non-defective packing stage 25 and container holder 31
Are erected so as to straddle the outer position. The operation of both conveyors 34, 34 is controlled by a controller (not shown) so that a feed screw device described later can be transferred to a position designated by the controller.

A feed screw shaft device 35 is provided on each conveyor 34.
Is provided so as to face the container holder 31 side in a direction perpendicular to the inclined surface of the inclined table 21, and the feed screw shaft device 35 is moved between the non-defective packing stage 25 and the container 32 by the conveyor 34. It has become so. A vacuum suction device 36 is incorporated in the feed screw shaft of the feed screw shaft device 35, and the suction port of the vacuum suction device 36 is vertically fed by the feed screw device 35.

In this embodiment, the magazine aligning device 3
0 is equipped with a non-rolling device 40, and this non-rolling device 40 is equipped with a belt conveyor 41. The conveyor 41 is arranged at a substantially central position in the length direction of the container holder 31, and is installed so as to straddle both ends of the container holder 31. The conveyor 41 is configured so that the feed screw shaft device, which will be described later, can be transferred to a position designated by the controller by controlling the operation by the controller (not shown).

The feed screw shaft device 4 is provided on the conveyor 41.
2 is installed so as to face the container holder 31 side in a direction perpendicular to the inclined surface of the container holder 31, and the feed screw shaft device 42 is pitch-fed in the container 32 by the conveyor 41. There is. A pressing block 43 is detachably attached to the tip of the feed screw shaft of the feed screw shaft device 42. The pressing block 43 is formed in a rectangular substantially rectangular parallelepiped shape, and the lower surface shape is formed to fit into the upper shape of the magazine 10 as the pressed object.

Next, the operation will be described. IC handler 20
The IC 1 whose electrical characteristics have been measured by the measuring unit and is determined to be non-defective is sent to the non-defective chute 24 by the sorting chute 22. The non-defective IC 1 that has slid in the non-defective chute 24 is automatically loaded into the magazine 10 waiting on the non-defective packing stage 25.

In this way, the good ICs 1 are sequentially packed in the magazine 10 on the good packing stage 25,
When the magazine 10 is packed with a predetermined number of ICs 1, the full real magazine 10A is held by the handling device 33. That is, the upper surfaces of the front and rear end portions of the actual magazine 10A are respectively vacuum-sucked by the pair of vacuum suction devices 36, 36 of the handling device 33 (see FIG. 2).

The vacuum suction device 36, 36 is a real magazine 10.
When A is held, the vacuum chucking devices 36, 36 are slightly raised by the double feed screw shaft devices 35, 35 of the handling device 33, and the actual magazine 10A is lifted from the non-defective item packing stage 25. Subsequently, the belt conveyors 34, 34 of the handling device 33 feed the feed screw shaft devices 35, 3
5 is transferred to a predetermined position on the container 32, and the actual magazine 10A is translated to a predetermined position on the container 32.

Then, the both feed screw shaft devices 35, 35 are lowered to transfer the real magazine 10A onto one real magazine 10A in the lower magazine row already aligned with the container 31. . At this time,
As shown in, real magazine 1 reprinted this time
0A is placed so as to be adjacent to the vacant side of the real magazine transferred last time, that is, the real magazine aligned at the end of the stage.

In this way, this time the actual magazine 10A
Is transferred to the side of the previous real magazine, the holding block 43 holding the previous real magazine is moved to the present real magazine 10A side, and the present real magazine 10A is held by the holding block 43.

That is, the pressing block 43 is slightly lifted by the feed screw shaft 42 of the anti-roll device 40, and is separated from the actual magazine previously aligned. At this time, this real magazine 10
Since A is adjacent and aligned, the previous real magazine will not roll as shown by the phantom lines in FIGS. 1 and 3 when the holding block 43 is released.

Then, the belt conveyor 41 of the anti-roll device 40 is fed by one pitch, so that the feed screw shaft device 42 is moved right above the actual magazine 10A aligned this time. Then, the feed screw shaft device 42 is lowered, so that the actual magazine 10A of this time is held by the holding block 43, as shown in FIG.

After the actual magazine 10A this time is pressed by the pressing block 43, the handling device 33
Is released. At this time, the real magazine 10A aligned this time, that is, the real magazine 10A located at the end of the stage is the pressing block 43 of the anti-roll device 40.
Since it is held down by, it will be prevented from falling to the free side.

After that, by repeating the above operation, the actual magazines are stacked in the container 32 while being aligned.

According to the above embodiment, the following effects can be obtained. (1) Handling device 3 for holding and transferring the real magazine 10A in a detachable manner and mounting it at a predetermined position
3 and the anti-roll device 40 which moves intermittently along the alignment direction of the magazine 10A and moves up and down so as to press the rearmost magazine 10A, the magazine 10A as the alignment object is handled by the handling device 33. Since the rearmost magazine 10A can be pressed by the anti-roll device 40 while being conveyed to a predetermined alignment place and regularly arranged, the rearmost magazine 10A can be held by the handling device 33 and then released. The anti-roll device 40 can prevent the magazine 10A from rolling on the side not aligned.

(2) According to the above (1), the magazine 10
When A is aligned in a line and stacked, the rearmost magazine is held down by the anti-roll device until it is ready to be supported by the next magazine 10A. The work can be properly executed, and as a result, the aligning work and the stacking work can be automatically executed without human intervention.

Although the invention made by the present inventor has been specifically described based on the embodiments, the present invention is not limited to the embodiments and various modifications can be made without departing from the scope of the invention. Needless to say.

For example, the handling device and the anti-rolling device are not limited to the structure according to the above-described embodiment, but other structures can be adopted.

In the above description, the case where the invention made by the present inventor is mainly applied to the IC handler which is the field of application which is the background of the invention has been described, but the present invention is not limited to this, and a magazine for aligning magazines is used. It can be applied to all alignment devices. The object to be aligned is not limited to the magazine, but may be another rod-shaped object.

[0039]

The effects obtained by the typical ones of the inventions disclosed in the present application will be briefly described as follows.

The rod-like object is detachably held and transferred, and the handling device is placed at a predetermined position, and intermittently moves along the alignment direction of the rod-like object, and the rod-like object at the rear end is pushed up and down. By providing a moving anti-rolling device, the rod-shaped object as an object to be aligned is conveyed to a predetermined alignment place by the handling device and placed in a regular arrangement and at the same time, the rod-shaped object at the rearmost end is prevented from rolling. Since it can be pressed by the device, it is possible to prevent the rearmost bar-shaped object from rolling to the side where it is not aligned after the holding by the handling device is released by the anti-roll device.

Due to the above-mentioned effects, the rod-shaped objects are aligned in a line, and when stacked, the last rod-shaped object is held by the anti-roll device until it is supported by the next rod-shaped object. Therefore, the aligning work and the stacking work can be properly executed, and as a result, the aligning work and the stacking work can be automatically executed without human intervention.

[Brief description of drawings]

FIG. 1 is a front sectional view showing a main part of a magazine aligning device according to an embodiment of the present invention.

FIG. 2 is a side sectional view thereof.

FIG. 3 is a front sectional view for explaining the operation.

FIG. 4 is a perspective view showing the whole thereof.

[Explanation of reference numerals] 1 ... DIP / IC, 2 ... Package, 3 ... Outer leads, 10 ... Magazine, 10A ... Actual magazine (aligned rod-shaped object), 11 ... Main body, 12 ... Sloping surface section, 13 ... Flat section, 1
4 ... Saddle part, 20 ... IC handler, 21 ... Inclined table, 22
... sorting chute, 23 ... defective product chute, 24 ... good product chute, 25 ... good product packing stage, 26 ... empty magazine holder, 30 ... magazine alignment device (bar-shaped object alignment device), 31 ... container holder, 32 ... container,
33 ... Handling device, 34 ... Belt conveyor, 3
5 ... Feed screw shaft device, 36 ... Vacuum adsorption device, 40 ... Roll stop device, 41 ... Belt conveyor, 42 ... Feed screw shaft device, 43 ... Pressing block.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Tomio Sakamoto 5-20-1 Kamimizumoto-cho, Kodaira-shi, Tokyo Inside the Semiconductor Division, Hitachi, Ltd. (72) Inventor Kazuaki Okamoto Otemachi, Chiyoda-ku, Tokyo 2-6-2 Nititsu Electronics Engineering Co., Ltd. (72) Inventor Yuichiro Iijima 2-6-2 Otemachi, Chiyoda-ku, Tokyo Inside Niitsu Electronics Engineering Co., Ltd. (72) Inventor Masahiko Ishiguri Tokyo Kokubunji City 2-16-13 Minamimachi Toyo Denshi Kogyo Co., Ltd.

Claims (3)

[Claims] 1. A state in which rod-shaped objects are aligned parallel to each other and adjacent to each other, and the rod-shaped objects in the lower stage and the rod-shaped objects in the upper stage are aligned on the row of the aligned rod-shaped objects. A bar-shaped object aligning device for stacking and aligning the bar-shaped objects with each other, the bar-shaped objects are detachably held and transferred, and a handling device for placing the bar-shaped objects at a predetermined position and an intermittent movement along the alignment direction of the bar-shaped objects. In addition, the device for aligning rod-shaped objects is provided with a roll stop device that moves up and down so as to press the rod-shaped object at the end. 2. A magazine in which a rod-shaped member is formed in a cylindrical shape and is configured to accommodate semiconductor devices arranged in a column in a cylindrical hollow portion, and a holding portion of the anti-roll device is in contact with an upper surface of the magazine. The bar-shaped object aligning device according to claim 1, wherein the bar-shaped object aligning device is configured to be freely movable. 3. The handling device comprises a pair of vacuum suction holding devices for detachably holding the front and rear ends of the rod-shaped object, and the anti-roll device is configured to press the central portion of the rod-shaped object. The rod-shaped object aligning device according to claim 1.