JPH08119371A - Magazine rack for printed circuit board - Google Patents

Abstract

PURPOSE: To provide a magazine rack for printed circuit boards which can improve working efficiency during a process for putting in/out the boards. CONSTITUTION: A magazine rack for printed circuit boards for receiving a plurality of printed circuit boards 6 in numerous layers comprises stopper shafts 61 on a front of a console with both ends axially supported by a top plate 51 and a bottom plate 52 wherein the shafts can rotate between a position where a printed circuit board regulating part 61c regulates a front end of the board 6 positioned at a front opening 57 and a position where it does not regulate. Thus only by rotating the stopper shaft 61, the boards 6 can be prevented from sticking out or dropping during transportation or the like, conventional troublesome operations for mounting/removing the stopper shaft can be eliminated, and working efficiency can be improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printed wiring board magazine rack for accommodating and holding a plurality of printed wiring boards in multiple layers.

[0002]

2. Description of the Related Art Generally, a magazine rack for printed wiring boards sequentially supplies printed wiring boards one by one to an automatic insertion machine that automatically inserts electronic circuit parts, or parts are inserted by an automatic insertion machine and sent out. It is used to sequentially stock the printed wiring boards that have been manufactured.

An example of the conventional magazine rack for printed wiring boards described above will be described below with reference to the drawings.

FIG. 4 is an external perspective view of a conventional printed wiring board magazine rack, and FIG. 5 is a front view of the magazine rack. 4 and 5, 1 is a top plate, 2
Are bottom plates, and 3 and 4 are side plates, which form an outer frame of a rectangular parallelepiped magazine rack for printed wiring boards that penetrates between the front and rear surfaces. Guide ribs 5 for accommodating and holding a plurality of printed wiring boards 6 in multiple layers are provided on the inner surfaces of the side plates 3 and 4. Reference numeral 7 is a front opening through which the printed wiring board 6 is taken in and out. Further, similarly to the front surface, the rear surface also has a rear opening for inserting and removing the printed wiring board 6. 8
Are fixing bolts for the side plates 3 and 4 and the top plate 1. The side plate 4 is fixed, but the side plate 3 loosens the fixing bolts 8 in accordance with the width of the printed wiring board 6 to attach it to the top plate 1 and the bottom plate 2. The movement can be adjusted along the provided long hole 9.

Reference numeral 10 is a reinforcing shaft because the side plate 3 can move. Reference numeral 11 denotes a pair of stopper shafts that are mounted on the front and rear opening surfaces. The stopper shafts 11 prevent the printed wiring board 6 from protruding from the rear opening when the printed wiring board 6 is inserted into the magazine rack, and prints stored in the magazine rack. In order to prevent the wiring board 6 from protruding from the front opening 7 or the rear opening during transportation and dropping, the wiring board 6 is mounted through the hole of the top plate 9 before the printed wiring board 6 is inserted or after the printed board 6 is stored. .

FIG. 6 shows an example of a process for mounting electronic components on a printed wiring board. Reference numerals 21, 22 and 23 denote automatic electronic component inserting machines, such as resistors, jumper wires, capacitors, transistors and integrated circuits. Electronic components with different shapes are sequentially mounted by multiple automatic inserters. Two
4, 25, 26, 27, 28, 29 and 30 are magazine racks, respectively. First, magazine rack 2 at position a
The printed wiring board supplied from No. 4 is subjected to component insertion by the automatic insertion machine 21 and stored in the magazine rack 25 at the position b. At this time, at the position b, the stopper shaft 11 is not inserted into the front opening of the magazine rack 25 on the side facing the automatic insertion machine 21, and the stopper shaft 11 is inserted into the rear opening on the side not facing the automatic insertion machine 21. The magazine rack 2 has been delivered from the automatic insertion machine 21.
The printed wiring board inserted in 5 is the magazine rack 25.
It is restricted from protruding from the rear opening.

When an arbitrary number of printed wiring boards are accumulated, the operator immediately transfers the magazine rack 25 to the position c in the next process in parallel, the rear opening of the magazine rack is opposed to the automatic insertion machine 22, and the printed wiring is printed. The stopper shaft 11 that regulates the board is pulled out, and the printed wiring board is supplied to the automatic insertion machine 22. The empty magazine rack 26 that has been supplied is returned to the position b, and the stopper shaft 11 is inserted into the rear opening. Similar operations are performed at the positions d, e and the position f between the automatic inserter 22 and the automatic inserter 23. At the position g, the printed wiring board is unloaded so that the front and rear surfaces of the magazine rack 30 in which the printed wiring boards in which the electronic components have been inserted are stored and the stopper shaft 11 is inserted therein do not protrude.

[0008]

However, the conventional magazine rack for a printed wiring board as described above is shown in FIG.
As you can see from the explanation of the process, the work to install the stopper shaft 11 to prevent the printed wiring board from protruding or falling when inserting the printed wiring board into the magazine rack or during the transportation of the magazine rack and to the automatic insertion machine In order to supply the printed wiring board, the work of removing the stopper shaft 11 has to be repeated, which is troublesome and time-consuming.

In view of the above-mentioned conventional problems, the present invention has been made for the purpose of providing a magazine rack for a printed wiring board which can improve the work efficiency in the steps of taking in and out the printed wiring board and in the carrying process. is there.

[0010]

In order to solve the above problems, a magazine rack for a printed wiring board according to the present invention has a rectangular parallelepiped casing composed of a top plate, a bottom plate and a side plate from a front opening and a rear surface opening to a printed wiring board. In a magazine rack that can be loaded and unloaded, and stores a plurality of printed wiring boards in multiple layers, on the front surface portion and the rear surface portion of the housing,
Both ends are pivotally supported by the top plate and the bottom plate, and the printed wiring board restricting portion is rotatable between a position for restricting an end portion of the printed wiring board located in the front opening and a rear opening and a position for not restricting the end. It is provided with a pair of stopper shafts.

[0011]

According to the present invention, the work efficiency is improved by eliminating the work of protruding the printed wiring board into the magazine rack and mounting and withdrawing the stopper shaft for preventing the printed wiring board from falling during the transportation by the above-mentioned structure. You can

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the printed wiring board magazine rack of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is an external perspective view of a magazine rack for printed wiring boards according to the present invention, and FIG. 2 is a front view of the magazine rack. In FIGS. 1 and 2, 51 is a top plate, 52 is a bottom plate, and 53 and 54 are side plates, which form the outer frame of a rectangular parallelepiped magazine rack for printed wiring boards that penetrates between the front and rear surfaces. Side plates 53, 54
A guide rib 55 for accommodating and holding a plurality of printed wiring boards 6 in multiple layers is provided on the inner surface of the. Reference numeral 57 is a front opening through which the printed wiring board 6 is put in and taken out. 5
8 is a bolt for fixing the side plates 53, 54 and the top plate 51,
Although the side plate 54 is fixed, the side plate 53 can be moved and adjusted along the long holes 59 provided in the top plate 51 and the bottom plate 52 by loosening the fixing bolts 58 according to the width of the printed wiring board 6. Reference numeral 60 is a shaft for reinforcement because the side plate 53 can move.

Reference numeral 61 denotes a pair of stopper shafts attached to the front and rear opening surfaces, for restricting the printed wiring board 6 from protruding from the rear opening when the printed wiring board 6 is inserted into the magazine rack, and for the magazine. This is provided to prevent the printed wiring board 6 housed in the rack from protruding and falling from the front opening 57 or the rear opening during transportation. The stopper shaft 61 corresponds to the front surface portion and the rear surface opening portion of the housing,
Both ends 61a and 61b are axially supported by holes provided in the top plate 51 and the bottom plate 52, and the printed wiring board restricting portion 61c is located in the front opening 57 and the rear opening. Is configured to be rotatable between a position for restricting and a position for not restricting. In addition, a spring 65 is inserted between the E-ring 63, the washer 64 and the top plate 51 at one end of the stopper shaft 61, and the stopper shaft 61 is rotated by the urging force of the spring 65 at a position after the rotation. Holds stable.
A stopper shaft 61 is also attached to the rear opening with the same structure.

As shown in FIG. 3, when the printed wiring board 6 is stored in the magazine rack, the printed wiring board regulating portion 6 of the stopper shaft 61 corresponding to the front opening portion.
1c is rotated from the front opening 57 to a position where the front end of the printed wiring board 6 is not regulated, while the rear opening is positioned so as to regulate the rear end of the inserted printed wiring board 6. The printed wiring board 6 that has been rotated and sent out from the automatic insertion machine is guided by a guide 67 and inserted into an arbitrary position in the magazine rack by a piston (not shown) or the like. When the printed wiring boards 6 are sequentially inserted and an arbitrary number of sheets are accumulated, the operator transfers the magazine rack to the next step, and when the printed wiring boards are taken out from the rear opening, the stopper shaft 61 at the regulation position is not regulated. Rotate. Further, when leaving the warehouse, the printed wiring board restricting portion 61c of the stopper shaft 61 is positioned so as to restrict the front end portion and the rear end portion of the printed wiring board 6 located in the front opening portion 57 and the rear opening portion, both front and rear openings. The printed wiring board 6 is rotated and conveyed while being regulated so that the printed wiring board 6 does not fall out of the magazine rack.

As described above, according to the printed wiring board magazine rack of this embodiment, the printed wiring board restricting portions 61c of the pair of stopper shafts 61 are located in the front opening 57 and the rear opening. 6
Since it is configured to be rotatable between a position that regulates the front end portion and the rear end portion of the sheet and a position that does not regulate the sheet, the printed wiring board can be magazineed only by rotating the stopper shaft 61 corresponding to the rear opening to the regulating position. It can be prevented from protruding from the rear opening when it is inserted into the rack, and the fall of the printed wiring board can be restricted only by rotating both the front and rear opening surfaces to the position that restricts the stopper shaft 61 during transportation. It is not necessary to attach and remove, and work efficiency is improved.

[0017]

As described above, according to the present invention, in a printed wiring board magazine rack for accommodating a plurality of printed wiring boards in multiple layers, both ends of the rack are top plates corresponding to the front opening and the rear opening of the housing. The printed wiring board restricting portion is pivotally supported by the bottom plate and is rotatable between a position for restricting a front end and a rear end of the printed wiring board located in the front opening and a rear opening and a position for not restricting the printed wiring board. By providing a pair of stopper shafts, it is possible to prevent the printed wiring board from protruding from the rear opening of the magazine rack when the printed wiring board is inserted into the magazine rack simply by rotating the stopper shaft corresponding to the rear opening to the regulation position. , Both the front opening and the rear opening can prevent the printed wiring board from dropping during transportation simply by turning the stopper shaft to the regulation position. Mounting cumbersome stopper shaft like, eliminate sampling work can simply improve the working efficiency because it requires the work of only by rotating between a position not regulating the regulating position stopper shaft.

[Brief description of drawings]

FIG. 1 is an external perspective view of a magazine rack for printed wiring boards according to an embodiment of the present invention.

FIG. 2 is a front view of a magazine rack for printed wiring boards according to an embodiment of the present invention.

FIG. 3 is a perspective view when a printed wiring board is inserted using the magazine rack for printed wiring boards according to the embodiment of the present invention.

FIG. 4 is an external perspective view of a conventional magazine rack for printed wiring boards.

FIG. 5 is a front view of a conventional magazine rack for printed wiring boards.

FIG. 6 is a schematic view showing an example of an electronic component mounting process on a printed wiring board.

[Explanation of symbols]

 51 Top Plate 52 Bottom Plates 53, 54 Side Plates 55 Guide Ribs 57 Front Opening 61 Stopper Shaft 61c Printed Wiring Board Restricting Section

Claims (1)

[Claims] 1. A magazine rack in which a printed wiring board can be inserted into and taken out from a front opening and a rear opening of a rectangular parallelepiped housing composed of a top plate, a bottom plate, and side plates, and a plurality of printed wiring boards are stored in a multilayer structure in the magazine rack. Both ends of the front surface and the rear surface are pivotally supported by the top plate and the bottom plate, and the printed wiring board restricting portion restricts the positions of the end portions of the printed wiring board located in the front opening and the rear opening, and the positions where they are not restricted. A magazine rack for a printed wiring board, which is provided with a pair of stopper shafts rotatable between them.