JPH11137347A - Magazine rack - Google Patents

Abstract

PROBLEM TO BE SOLVED: To unnecessitate reassembling each time of varying the size of a plate body by making a connecting member the extensible mechanism of a pantograph type so as to execute adjustment anytime corresponding to the variation of the size of the plate body to house without the exchange of parts. SOLUTION: A magazine rack 10 is provided with a pair of side plates 11, 12 and connecting members 13 connecting both tip parts of them. The connecting member 13 is constituted of the extensible mechanism of a pantograph type turnably pivoting the crossing centers of two wood arms 15 arranged in the shape of X with screws or rivets and plurally and successively connecting their tips with each other in a turnable state with the screws or rivets, etc., to make the full length extensible corresponding to the crossing angle of both of the arms 15 crossing with each other. The members 13 makes the full length extensible according to the crossing angle of the two arms 15 crossing with each other freely extensible at the time of loosening a thumbscrew 19. At the time of fastening the thumbscrew 19, the full length is fixed in an optional extensible state. Consequently, a pair of side plates 11 and 12 both tip parts of which are connected by the members 13 can be held in an optionally separated state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magazine rack, and in particular, connects both ends of a pair of side plates via a connecting member composed of a pantograph-type expansion / contraction mechanism to have an arbitrary storage width according to the plate to be stored. The present invention relates to a variable magazine rack.

[0002]

2. Description of the Related Art A semiconductor wafer is packaged after a series of wafer processing steps, and undergoes a semiconductor manufacturing process such as an assembly step to form a semiconductor device such as a printed board on which semiconductor components are mounted.

[0003] When a semiconductor wafer is carried into or out of a processing chamber or the like in such a wafer processing step or an assembling step, a wafer transfer device is used. As such a wafer transfer device, a drive source, a pantograph-type feed mechanism that expands and contracts in a wafer transfer direction by being provided with a driving force from the drive source, and a wafer slid and mounted by the pantograph-type feed mechanism. 2. Description of the Related Art A pantograph-type wafer transfer device that includes a slide plate mechanism for transferring a wafer to a predetermined position and transfers a wafer by using a pantograph expansion / contraction operation is known (see Japanese Patent Application Laid-Open No. 1-217939).

On the other hand, a printed circuit board on which semiconductor components are mounted is housed in a magazine rack or the like, and is subjected to, for example, inspection for heat resistance or stored. In this magazine rack, a pair of side plates having locking grooves for locking the substrate formed on one surface are arranged so that the locking grooves face each other, and both ends thereof are connected to a plate member or a bar member serving as a connecting member with, for example, screws. Connect to form a rectangular frame. This connecting member is prepared in various lengths, and by changing the size of the substrate sandwiched between both side plates, it is changed to a member of a length according to the size of the substrate, or by adding or reducing members. The distance between the opposite side plates is adjusted according to the substrate.

[0005]

However, in the case of performing an adjustment corresponding to a change in the size of the substrate, the connecting member must be removed from both side plates, adjusted to a required length, and then attached to both side plates again. In addition, it is necessary to remove and attach screws each time an adjustment corresponding to a substrate to be stored is performed and reassemble the magazine rack, which is troublesome. In particular, when the number of substrates to be stored is large, the magazine rack becomes large and the strength is increased, so that much labor and time are required for assembly.

The present invention has been made in consideration of the above-mentioned prior art, and an adjustment corresponding to a change in the size of a plate to be stored can be performed at any time without replacing parts, and the size of the plate changes. It aims to provide a magazine rack that does not need to be reassembled every time.

[0007]

In order to achieve the above object, according to the present invention, both ends of a pair of side plates, in which locking grooves for locking a plate are opposed to each other, are connected via a connecting member. In the magazine rack described above, the connecting member is provided with a pantograph-type telescopic mechanism.

[0008] According to the above configuration, the pair of side plates are connected by the connecting member composed of the pantograph-type expansion and contraction mechanism connecting both ends thereof, and the interval between the both side plates can be freely expanded and contracted. As a result, adjustments corresponding to changes in the size of the plate to be stored can be made at any time without replacing parts,
There is no need to reassemble the rack each time the size of the plate changes.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a magazine rack according to the embodiment of the present invention. As shown in FIG.
The magazine rack 10 has a pair of side plates 11 and 12 and a connecting member 13 composed of a pantograph-type expansion and contraction mechanism connecting both ends thereof. On one surface of each of the side plates 11 and 12, a plurality of locking grooves 14 which are cut out substantially vertically, open at the upper end, and have a locking surface 14a at the lower end are formed over substantially the entire area in the longitudinal direction of the side plates. (Partially omitted). A pair of side plates 11 and 12 arranged such that the locking grooves 14 face each other are connected at both ends thereof via a connecting member 13.

The connecting member 13 is rotatably supported at the crossing center of the two arms 15 arranged in an X-shape by, for example, a screw or a rivet, and its tip is connected to, for example, a screw or a rivet. , And is formed by a pantograph-type telescopic mechanism, which is rotatably connected to each other in succession, and whose total length can be expanded and contracted according to the crossing angle of the crossed arms 15.

The upper arms 15 at both ends of the connecting member 13 are
It is rotatably attached to the upper end of the side plates 11 and 12.
The lower arm 15 at the end of the connecting member 13 is connected to the side plates 11, 1.
2 is attached to a slide fitting 17 installed substantially at the lower half of the end face. A groove-shaped sliding guide 18 is formed on the slide fitting 17 along the end surface of the side plate.
A sliding body (not shown) attached to the back side of the end of the arm 15 is slidably engaged with the sliding guide 18. The sliding body is free to move along the sliding guide 18 by loosening or tightening a thumbscrew (fixing means) 19 attached to a sliding body shaft (not shown) projecting to the surface side of the arm 15. The slide guide 18 is fixed at an arbitrary position.

The connecting member 13 composed of such a pantograph-type telescopic mechanism can be fully extended and contracted in accordance with the crossing angle of the two crossed arms 15 when the thumb screw 19 is loosened.
If the thumb screw 19 is tightened, it can be fixed in any stretched state. Therefore, the pair of side plates 11 and 12 whose both ends are connected to the connecting member 13 can be held in an arbitrary separated state.

On both sides of the upper end surface of each of the side plates 11 and 12, pins 20 for rack stacking are respectively protruded, and in accordance with the positions of the four pins 20, both sides of the lower end surface of each of the side plates 11 and 12 are provided. A hole (not shown) into which the pin 20 is inserted and locked is formed. In addition, an elastic warp prevention plate 21 for connecting the side plates 11 and 12 may be stretched over substantially the center of the lower end surfaces of the side plates 11 and 12. This warpage prevention plate 21
Each side plate 11 and 12 is long, and is attached when a large number of substrates are bent due to its weight when stored, thereby preventing bending and warping.

The side plates 11 and 12 can be formed by, for example, die molding, and the arms 15, 15 constituting the connecting member 13 can also be formed by die molding. Is possible.

In the magazine rack 10 having the above-described structure, when a printed circuit board (not shown) on which semiconductor elements are mounted is stored, the thumb screws 19 of the two connecting members 13 are loosened so that the space between the side plates 11 Adjust the interval. When the thumb screw 19 is loosened, each sliding body can freely move up and down along the sliding guide 18, and both connecting members 13 expand and contract to an arbitrary length by a pantograph-type expansion and contraction mechanism. This expanded / contracted state is adjusted to a storage width corresponding to the size of the printed circuit board stored between the side plates 11 and 12, and each thumbscrew 19 is adjusted.
To fix the length of the connecting member 13. Both side plates 11, 12 in which both ends are held by connecting member 13 after fixing the length
Forms the magazine rack 10 according to the size of the printed circuit board housed together with the connecting member 13.

A printed board is inserted into the locking grooves 14 of the side plates 11 and 12 from above the side plates. The inserted printed circuit board is locked by the locking surface 14a and both ends thereof are sandwiched between the locking grooves 14, and stably stored in the magazine rack 10 without shifting. Magazine rack 1
The printed circuit boards stored in the storage unit 0 are inspected for heat resistance or the like for each magazine rack 10 or stored.

When the size of the printed circuit board to be stored is changed, the thumb screws 19 of the two connecting members 13 are loosened to release the two side plates 1.
Adjust the interval between 1 and 12. To accommodate a larger-sized printed circuit board, the connecting members 13 are in the extended state (the thumbscrew 19 moves the sliding guide 18 upward together with the sliding body). The connecting member 13 is contracted (thumb screw 1 together with the sliding body).
9 moves the sliding guide 18 downward)
9 is tightened to fix the length of the connecting member 13.

In this magazine rack 10, a plurality of magazine racks 10 are stacked in a locked state by inserting rack stacking pins 20 on the upper surface of the side plates into holes on the lower surfaces of the side plates 11, 12 of another magazine rack 10. be able to. Therefore, it can be stored without taking up space, and it is safe and convenient to carry. In addition, when the magazine rack 10 is not used, the connecting member 13 can be reduced to the minimum size, and a large storage space is not required.

Therefore, the magazine rack 10 according to the present invention
Since both ends of a pair of side plates 11 and 12 are connected via a connecting member 13 composed of a pantograph-type expansion / contraction mechanism, adjustments corresponding to a change in the size of a printed circuit board to be housed can be performed at any time without replacing parts. Become. For this reason, when performing the adjustment corresponding to the change in the size of the printed circuit board, it is not necessary to reassemble the magazine rack every time the adjustment corresponding to the housed substrate is performed, unlike the related art.

The magazine rack 10 is not limited to the one used for storing printed circuit boards, but is
According to the above, the same semiconductor device can be accommodated.
In addition, if it can be locked in the locking groove 14, in addition to electronic components such as a printed circuit board, office files and other general plate bodies can be stored.
It is useful as a magazine rack that can be used safely and conveniently for storage and transportation.

[0021]

As described above, according to the magazine rack according to the present invention, the pair of side plates are connected by the connecting member composed of the pantograph-type telescopic mechanism connecting both ends thereof.
Since the interval can be freely expanded and contracted, adjustment corresponding to a change in the size of the plate to be stored can be performed at any time without replacing parts, and there is no need to reassemble each time the size of the plate changes. For this reason, when performing the adjustment corresponding to the change in the size of the printed circuit board to be stored, unlike the related art, it is not necessary to reassemble the magazine rack each time the adjustment corresponding to the stored board is performed, and thus it is not complicated.

[Brief description of the drawings]

FIG. 1 is a perspective view of a magazine rack according to an embodiment of the present invention.

[Explanation of symbols]

10: Magazine rack, 11 and 12: Side plates, 13: Connecting member, 14: Locking groove, 14a: Locking surface, 15: Arm, 1
7: slide bracket, 18: slide guide, 19: thumb screw,
20: Pin, 21: Warpage prevention plate.

Claims (3)

[Claims] 1. A magazine rack in which both ends of a pair of side plates, which are arranged with locking grooves for locking a plate body facing each other, are connected via a connecting member, wherein the connecting member comprises a pantograph-type telescopic mechanism. A magazine rack characterized by the following. 2. The magazine rack according to claim 1, further comprising fixing means for fixing said pantograph-type telescopic mechanism in an arbitrary telescopic state. 3. The magazine rack according to claim 1, wherein the plate is a printed circuit board on which a semiconductor element is mounted.