JPS62157387A - Assembling method for floppy disk - Google Patents

Abstract

PURPOSE:To charge a disk, to fit and fix both shells with the hook, to drive a disk, inspecting and selecting the quality and to fuse the shell of the floppy disk of a nondefective by providing the hook to engage mutually detachably shells at the inner corner part of both shells. CONSTITUTION:A pair of the first and second shells 2 and 3 are provided which have a low side wall in a single body at the circumferential end of a floppy disk 1 and in which the whole is formed in a plate shape by a hard plastic, and in shells 2 and 3, a disk 4 is accommodated freely and rotatably in which a magnetic recording layer is formed at the surface. On the corner part, a writing prohibiting piece 5 is freely and slidably accommodated, and at the center of the disk 4, a hole 6 for driving and a hub 6 to drill a hole 6b for supporting to position and support are fixed. At respective corner parts of both shells 2' and 3, the first and second hooks 2c and 3c are provided, and the shells 2 and 3 each other are mutually provided detachably and freely. After the disk 4 is charged, the disk is fitted and fixed with the hooks 2c and 3c, the disk is driven, the quality is inspected and selected by the inspecting device and the shells 2 and 3 of the disk 4 of the nondefective are fused.

Description

[Detailed Description of the Invention] [Industrial Application Field] Among floppy disks used as recording media for electronic computers, word processors, etc., the present invention particularly relates to a floppy disk in which a disk is housed in a shell formed of hard plastic. This relates to an assembly method.

[Conventional technology]

The magnetic recording surface of the disk becomes unusable even if there are variations in the magnetic recording layer, slight dust, oil, etc. adhere to it, or scratches. Furthermore, even with the utmost care, such things tend to occur during the manufacturing process, and they are difficult to discover.

On the other hand, the above-mentioned disk defects can occur during the process of loading the disk into the shell, and inspection to detect the quality of the disk requires actually driving the disk, so it is necessary to perform an inspection after the disk is loaded into the shell. It must be made.

Conventionally, liners were pasted inside both shells, a disk was loaded, the shells were fused together, and the fully integrated state was inserted into an inspection machine for inspection.

[Problem that the invention seeks to solve]

However, in such conventional methods, if the disk is found to be defective as a result of inspection, the entire shell must be discarded. However, the shell used for this type of floppy disk requires materials and processing that are highly precise, strong, and resistant to temperature and aging, and the shell is also loaded with a liner, a pressing piece, and a write-protection piece. Therefore, it is extremely expensive. Therefore, discarding the shell causes an increase in manufacturing costs.

[Means for solving problems]

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a method for assembling a floppy disk that can suppress increases in manufacturing costs. In the assembly method according to the present invention, hooks for removably attaching the shells to each other are provided at the inner corners of both shells, and after loading a disk and fixing both shells with the hooks, the quality of the disk is inspected. After sorting, the shells of only good floppy disks are fused together.

[Effect]

In the present invention, a floppy disk with a defective disk can be disassembled, so that only the disk can be discarded and the shell can be reused.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a schematic diagram showing an apparatus for implementing the floppy disk assembly method according to the present invention, FIG. 2 is an exploded perspective view showing the floppy disk, and FIG. 3 is a sectional view showing a part of the shell. In these figures, the reference numeral 1 indicates a floppy disk. The floppy disk 1 has a pair of first and second disks formed entirely of hard plastic into a plate shape and having a low side wall at the periphery. A second shell 2.degree. 3 is provided, in which a disk 4 having a magnetic recording layer formed on its surface is rotatably accommodated, and a write-inhibiting piece 5 is slidably accommodated in a corner. A hub 6 is formed in the center of the disk 4 with a drive hole 6a for driving the disk and a support hole 6b for positioning and supporting the disk.
is fixed. Reference numeral 2a is a driving opening which is opened only in one first shell 2 and exposes the hub 6 to the outside, and 2b and 3b are openings in both first shells. This is a head opening for bringing the head opened in the second shell 2.3 into contact with each other. 7,7 is the first. A liner made of non-woven fabric adhered to the inside of the second shell 2゜3, 8 denotes head openings 2b, 3b.
The head opening 2b is always closed by a torsion coil spring 9 made by winding a wire and bending it into a dogleg shape.

3b is biased in the direction of closing. A pressing piece 10 is provided on the back side of the liner 7 attached to the first shell 2 to bring the liner 7.7 into sliding contact with the disk 4.

2c, 2c, . . . are first hooks integrally protruding from the four inner corners of the first shell 2, three of which are formed in a cylindrical shape, and the remaining one is formed in a columnar shape.

3c, 3c... are second hooks provided at the four inner corners of the second shell 3 corresponding to the first hooks 2C, 2G..., and are engaged with the first hooks 2c, 2c... , the shells are removably attached to each other.

Next, a method for assembling a floppy disk according to the present invention will be explained with reference to FIG. First of all, liner 7 and pressing piece 1 are already installed.
The first shell 2 with 0 attached thereto is fed from the first station (2) onto a conveying device 20 consisting of two running belts 20a, 20a.

This conveying device 20 conveys the first shell 2 in the direction of the arrow,
At the second station (2), the write-inhibiting piece 5 is placed at a predetermined position on the corner of the first shell 2, and then at the third station (2), the disk 4 is placed so that the hub 6 faces into the opening 2a. In addition, at the second and third stations (2) and (3), since the parts 5 and 4 are simply placed on the predetermined positions of the first shell 2, a stopping device for stopping the first shell 2 on the belt 20a is required. , is done using robots that feed the parts there. Next, at the fourth station ■,
The lift device 21 lifts the first shell 2 above the belt and stops it, and the pusher device supplies the second shell 3 to which the liner 7 has already been pasted onto the first shell 2 from above. Press down. By this pressing, the first hooks 2c, 2c..., the second hooks 3c
, 3c... are engaged with each other, and the first shell 2. The second shell 3 is engaged and fixed with the disk 4 loaded. Therefore, here, an unfinished floppy disk (hereinafter referred to as a semi-finished product I
A) was formed. In addition, although it is not yet completed, the disk 4 can be rotated with the hub 6 facing into the drive opening 2a and the magnetic recording surface slidingly in contact with the liner 7.7, and can be stored in the same state as a completed product. has been done.

Next, the semi-finished product IA assembled as described above is transferred onto the inspection line 30 and inserted into the inspection device 22, and the disk 4 is actually driven to inspect the disk 4 for quality and sorting. The semi-finished products IA on the inspection line 30 are inserted into the inspection device 22, and after the inspection, sorting based on the inspection results will be carried out by the sorting device 2.
Do it according to 3.

This sorting device 23 is composed of a robot hand or the like that works in conjunction with the inspection device 22, and takes out the semi-finished products IA from the inspection device 22, and also sorts out whether the disks 4 in the semi-finished products IA are good or bad based on the signal from the inspection device 22, and selects non-defective products. As shown by arrow A in FIG.
The first and second shells 2.3 are fused together by a fusion device 24. Note that this fusion bonding is performed by a bonding device that utilizes ultrasonic waves or high frequencies, which is generally used for bonding shells of this type. On the other hand, those determined to be defective as a result of the inspection are supplied to a predetermined position as shown by arrow B. The semi-finished product IA that was determined to be defective is classified as 1st. Disassemble by opening the second shell 2.3, discard only the disk 4, and disassemble the second shell 2.3. The second shell 2.3 and the write-protection piece 5 are not damaged in any way, so they are reused.

Although not shown, the fused first. Second shell 2.
3 is further transported to a subsequent process, where a shutter 8 and a torsion coil spring 9 are attached, and the product is graded according to the inspection results of the inspection device 22.

In this floppy disk assembly method,
1st. First hooks 2C, 2C provided on second shields 2, 3
... and the second hooks 3c, 3c, etc., the shells are removably attached to each other, so the disk 4 can be inspected by inserting it into the inspection device 22 without having to fuse the shells together as in the past. can do.

Therefore, if the disk 4 is found to be defective as a result of the inspection, the first. Since it can be disassembled by opening the second shell 2.3, it can be recovered without damaging the shell. As a result, only the defective disks 4 were discarded, and the expensive first disks to which the liner 7 and pressing piece 10 were attached were discarded. The second shells 2, 3 and the write-protection piece 5 can be reused.

〔Effect of the invention〕

As explained above, according to the present invention, hooks are provided at the inner corners of both shells to detachably attach the shells to each other,
After loading a disk and fixing both shells with these hooks, the disks are inspected and sorted to see if they are good or bad, and then the shells of good floppy disks are fused together, so if the floppy disk is defective, the shell is removed. can be decomposed by opening (.

Therefore, even if the disk is defective, there is no need to discard the whole shell as in the past, but instead the disk can be disposed of and the shell can be recovered and reused without damaging it. There will be no increase in manufacturing costs.

[Brief explanation of drawings]

Fig. 1 is a schematic diagram showing an apparatus for implementing the floppy disk assembly method according to the present invention, Fig. 2 is an exploded perspective view showing the floppy disk, and Fig. 3 is a sectional view showing a part of the shell. be. 2.3...1st. 2nd Ciel, 2c, 3c...
1st. 2nd hook, 4...disc, 21...
Lift device, 22... Inspection device, 23... Sorting device, 24... Fusion device.

Claims (1)

[Claims] In a method for assembling a floppy disk in which a disk is rotatably housed in a pair of shells formed of hard plastic, hooks are provided at the inner corners of both shells to detachably attach the shells to each other, and the disk is loaded. A method for assembling a floppy disk in which after both shells are fixed with lever hooks, the disks are driven to inspect and sort out whether the disks are good or bad, and then the shells of good floppy disks are fused together.