JPH11264098A - Basket for immersing treatment of printed wiring board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a basket for immersing treatment of printed wiring boards capable of housing the boards in such a manner that the falling of printed wiring boards and the contact of the printed wiring boards adjoining each other are prevented and usable in common for the printed wiring boards of various sizes in accordance with the sizes in the longitudinal directions of the prinded wiring boards. SOLUTION: Partition frames 2 are arranged parallel to the surface and rear faces of printed wiring boards, a basket body is assembled with connecting frames 3 joined to both edge sizes of each partition frame, in this basket body, plural compartment frames 6 parallel to the connecting frames are arranged, housing spaces 5 of the printed wiring boards are provided, the strut in the height direction of the connecting frames is plurally provided with cylindrical engaging supporting members, the other strut is plurally provided with locking supporting parts 22 provided with grooves connecting the struts, a pedestal 20 for regulating height with an insert hook and a locking hook 24 engaging and locking thereto, and the height is capable of being adjusted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an immersion basket capable of storing printed wiring boards of various sizes.

[0002]

2. Description of the Related Art When manufacturing a printed wiring board, a circuit pattern is formed on the printed wiring board, and the printed wiring board is immersed in various surface treatment liquids for surface treatment such as cleaning and oxidation of the copper foil surface. You are doing processing work.

In such a processing operation, a basket for immersion processing is used, and a plurality of printed wiring boards are housed in the basket and immersed in a surface treatment liquid.

[0004] This kind of basket is constructed by combining a basket body with a square frame-like frame as a frame.
A hook for supporting both ends of the printed wiring board is provided in the basket body so that the printed wiring board does not fall into the processing tank, and that a plurality of adjacent printed wiring boards do not contact with each other to cause processing unevenness. Stored in.

[0005]

In such an immersion basket, since the frames forming the skeleton of the basket body are fixed to each other by welding, screws, or the like, a printed wiring of a predetermined specific size is set. Can only be used on boards.

In other words, since the storage space for the printed wiring boards is fixed, the printed wiring boards become baskets dedicated to specific predetermined printed wiring boards, and cannot be used in common for printed wiring boards of various sizes. There is a disadvantage that the basket must be prepared according to the size of the wiring board.

Therefore, the printed wiring boards to be stored in the basket are fixed in the horizontal direction, and only the vertical size is changed, so that at least printed wiring boards having different horizontal sizes are stored in a common basket. If possible, the number of baskets will not increase. Specifically, a means for storing printed wiring boards having different sizes in the vertical direction in a common basket has been adopted by installing a height adjusting frame below the basket. When a height adjustment frame is installed below the immersion basket, it is necessary to select and install a height adjustment frame for the printed wiring board. However, even with this method, the number, storage space, and setup space are smaller than preparing baskets that match the size of each printed wiring board, but the number of height adjustment frames and storage space are still secured. This is necessary, and as the number of printed wiring boards of various types in small quantities is increasing, a considerable amount of setup is required to cope with this. Each time you change the size of the printed wiring board, carry the basket height adjustment frame from the storage location, take out the previously used height adjustment frame in the basket, and carry it in according to the size used It is necessary to reattach to the basket, wash the removed height adjustment frame, and then move it to a storage location for storage. Such a setup may take longer to set up than to process. The present invention has been made in view of such circumstances, and an object of the present invention is to prevent the printed wiring board from falling or contact between adjacent printed wiring boards and to store the printed wiring board, and to vertically store the printed wiring board. An object of the present invention is to provide a printed wiring board immersion treatment basket that can be used commonly for printed wiring boards of various sizes according to the size in the direction.

[0008]

According to the present invention, in order to achieve the above object, a plurality of partition frames are arranged in parallel with the front and back surfaces of a printed wiring board, and a connecting frame joined to both ends of each partition frame. And a plurality of partition frames parallel to the connection frame are movably and fixedly arranged in the basket body to provide a storage space for the printed wiring board, and hold the printed wiring board in each storage space. A basket for immersion treatment, in which a plurality of tubular fitting support portions are provided on height columns of a connection frame and a pair of connection frames, and grooves for connecting the columns are provided on other groups of height columns. Provided with a plurality of locking support portions, and a pair of insertion hooks fitted to the fitting support portions and locking hooks locked to the locking support portions provided with the grooves. Connect hooks Printing that allows the height adjustment to be easily performed by fitting the insertion hook of the height adjustment pedestal consisting of the placing bar into the cylindrical fitting support and locking the locking hook to the locking support. It is a basket for immersion treatment of a wiring board.

[0009]

According to the present invention, a plurality of partition frames arranged in parallel with the front and back surfaces of a printed wiring board, and a plurality of movable partition frames orthogonal to each of the partition reframes are accommodated. Space can be secured according to the size of the printed wiring board, and the height adjustment pedestal can adjust the height to a desired height, hold the printed wiring board, and use it as a basket common to printed wiring boards of various sizes.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a perspective view showing a use state of the basket according to the present invention.

As shown in FIG. 1, the box-shaped immersion basket 1 is composed of partition frames 2, 2,... The partition frames 2 are arranged in parallel with the front and back surfaces of the printed wiring board 4, and a plurality of the partition frames 2 are arranged in parallel with an interval having a width larger than the thickness of the printed wiring board 4.

The connecting frames 3 are joined to both ends of the plurality of partition frames 2 and welded to the joints with the respective partition frames 2. Therefore, the outer frames of the immersion basket 1 are formed by the partition frames 2 and 2 and the connection frames 3 and 3 at both ends, and the partition frames 2 disposed between the partition frames 2 and 2 at both ends are provided. A storage space 5 for the printed wiring board 4 is formed.

Sectional frames 6, 6 formed in a square frame shape
Is arranged in parallel with the connecting frame 3 between the connecting frames 3 and 3 and is slidable with respect to the partition frame 2 orthogonal to the connecting frame 3, and is movable in a state parallel to the connecting frame 3 between the connecting frames 3 and 3. I do.

For this reason, as shown in FIGS. 2 and 3, the partition frames 6 and 6 are moved in conformity with the printed wiring boards 4 of various sizes, and the final storage space 5 of the printed wiring boards 4 is changed.
Can be secured.

Above and below the outermost partition reframe 2 of the immersion basket, a plurality of pin insertion holes 9 for fixing the division frame are formed at appropriate intervals. Also, a pair of corresponding pin insertion holes 12 are formed at both upper and lower ends of the partition frame 6 (see FIG. 2).

Therefore, the partition frame 6 is moved,
If the partition frame 6 and the pin insertion holes 9 and 12 of the partition frame 2 correspond to each other and the pin 13 is engaged with this,
The partition frame 6 is fixed to the partitioning reframe 2.

As shown in FIG. 3, hooks 14 for supporting both ends of the printed wiring board 4 are attached to the connecting frame 3 and the partitioning frame 6, respectively, and a pair of hooks 14, 14 facing each other. A set of holding hooks is provided. The hook 14 may have any configuration as long as it can support both ends of the printed wiring board 4. In the present embodiment, the hook 14 has a U-shape.

According to the present invention, as shown in FIG. 4, in order to adjust the height of the height adjustment pedestal 20, the connecting frames 3, 3 which lock the height adjustment pedestal 20 have a cylindrical shape in the height direction. A plurality of locking support portions 22 (see FIG. 1) provided with grooves for connecting the fitting support portions 21 (see FIG. 4B) and the connection frames 3 and 3 are provided. The cylindrical fitting support portion 21 provided in the height direction of the connection frames 3 and 3 is a cylindrical body having a cross section of “U” shape or a circular shape. The insertion hook 23 of the pedestal 20 is fitted. On the other hand, connecting frames 3, 3
In the height direction on the opposite side where the cylindrical fitting support portion is provided, a plurality of locking support portions 22 provided with grooves 25 for connecting the connecting frame at a height corresponding to the cylindrical fitting support portion are provided. The locking hook 24 provided on the height adjustment pedestal 20 is mounted on the groove 25 of the locking support portion 22.

On the other hand, as shown in FIG. 4, the height adjusting pedestal 20 has a plurality of mounting rods 26 provided in a direction parallel to a connecting frame for mounting the printed wiring board 4, and ends of the mounting rods 26. Provided with a set of insertion hooks 23 to be fitted to the fitting support portion,
The other end of the mounting bar 26 is provided with a locking hook 24 for locking to a set of locking support portions. It is desirable to provide a plurality of mounting rods 26 and to fix the mounting rods with a plurality of connecting rods 27 in order to prevent the mounting rods 26 from bending due to the weight of the printed wiring board. The mounting rod 26 is used for the partition frame 6 and the hook 1.
A fixing method that can be arranged so as to avoid the location 4 or can be moved may be used. The height adjustment of the printed wiring board in the height direction is performed by adjusting the hooks 24 and the insertion hooks 23 provided at both ends of the mounting bar 26 to the height of the printed wiring board 4 in the connecting frame 3. The insertion hook 23 is inserted into the fitting support portion 21 of the first embodiment, and the other engagement hook 24 is mounted on the engagement support portion 22 provided with the groove provided between the connecting frames in alignment with the groove 25. it can. The insertion hook 23 is inserted into the cylindrical fitting support portion 21, and the groove 25 of the locking support portion 22 is formed.
The pedestal 2 for height adjustment by placing the locking hook 24 on the
0 can be prevented from shifting forward, backward, left and right. In addition, since the insertion hook 23 and the locking hook 24 are provided on the height adjustment pedestal 20, the number of insertions is reduced and the device is easily mounted compared to a height adjustment pedestal configured only with the insertion hook. be able to.

The printed wiring board immersion basket 1 of the present invention is made of a material and a fixture which does not corrode due to contact with a liquid such as an acid, an alkali or an organic solvent. Specifically, a metal is covered with a plastic or a paint, or a plastic material is used. Pipes and plates made of glass fiber reinforced plastic, stainless steel or the like are used.

[0021]

According to the present invention, the printed wiring board can be stored while preventing the printed wiring board from dropping or contacting between adjacent printed wiring boards.
The same basket can be used in common for printed wiring boards of various sizes and can be used in common, can be immersed in a surface treatment solution, and there is no need to prepare multiple height adjustment frames. There is no need to secure a space for storing a plurality of frames for use, and work efficiency can be improved.

[Brief description of the drawings]

FIG. 1 is an explanatory perspective view showing a use state of a basket for immersion processing of a printed wiring board according to the present invention.

FIG. 2 is an explanatory perspective view showing a partition frame.

FIG. 3 is an explanatory plan view showing a storage space of a basket.

FIG. 4A is an explanatory perspective view showing a height adjusting pedestal, and FIG. 4B is attached to a fitting support portion provided on a connecting frame by fitting a plug hook of the height adjusting pedestal. It is a principal part perspective view which shows the state which carried out.

[Explanation of symbols]

 1. Immersion basket 2. Partition frame 3. Connecting frame 4. Printed wiring board 5. Storage space 6. Section frame 9. Pin insertion hole 12. 12. Pin insertion hole Pin 14. Hook 20. Pedestal for height adjustment 21. Fitting support part 22. Locking support portion 23. Plug hook 24. Locking hook 25. Groove 26. Mounting rod 27. Connecting rod

Claims (1)

[Claims] A plurality of partition frames are arranged in parallel with the front and back surfaces of a printed wiring board, and a basket main body is assembled by connecting frames joined to both end sides of each partition frame. An immersion basket for holding a printed wiring board in each of the storage spaces by providing a storage space for the printed wiring board by arranging a plurality of partition frames so as to be movable and fixable. A plurality of cylindrical fitting support portions are provided on the support column in the vertical direction, and a plurality of locking support portions provided with grooves for connecting the columns are provided on the other set of height columns, and the fitting support portions are fitted. A pair of insertion hooks and a locking hook for locking the locking support portion provided with the groove, wherein the height adjustment pedestal comprising a mounting rod connecting the insertion hook and the locking hook; Hook into cylindrical fitting A basket for immersion processing of a printed wiring board in which the height can be adjusted by engaging with a support portion and engaging a locking hook with the locking support portion.